[805] | 1 | // |
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| 2 | // C++ Implementation: STMath |
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| 3 | // |
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| 4 | // Description: |
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| 5 | // |
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| 6 | // |
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| 7 | // Author: Malte Marquarding <asap@atnf.csiro.au>, (C) 2006 |
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| 8 | // |
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| 9 | // Copyright: See COPYING file that comes with this distribution |
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| 10 | // |
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| 11 | // |
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[38] | 12 | |
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[2177] | 13 | #include <sstream> |
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| 14 | |
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[330] | 15 | #include <casa/iomanip.h> |
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[805] | 16 | #include <casa/Arrays/MaskArrLogi.h> |
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| 17 | #include <casa/Arrays/MaskArrMath.h> |
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| 18 | #include <casa/Arrays/ArrayLogical.h> |
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[81] | 19 | #include <casa/Arrays/ArrayMath.h> |
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[1066] | 20 | #include <casa/Arrays/Slice.h> |
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| 21 | #include <casa/Arrays/Slicer.h> |
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[2177] | 22 | #include <casa/BasicSL/String.h> |
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| 23 | #include <casa/Containers/Block.h> |
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[805] | 24 | #include <casa/Containers/RecordField.h> |
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[2177] | 25 | #include <casa/Exceptions/Error.h> |
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| 26 | #include <casa/Logging/LogIO.h> |
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[2] | 27 | |
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[917] | 28 | #include <coordinates/Coordinates/CoordinateSystem.h> |
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| 29 | #include <coordinates/Coordinates/CoordinateUtil.h> |
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| 30 | #include <coordinates/Coordinates/FrequencyAligner.h> |
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[2177] | 31 | #include <coordinates/Coordinates/SpectralCoordinate.h> |
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[917] | 32 | |
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[2177] | 33 | #include <lattices/Lattices/LatticeUtilities.h> |
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| 34 | |
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| 35 | #include <scimath/Functionals/Polynomial.h> |
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| 36 | #include <scimath/Mathematics/Convolver.h> |
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[177] | 37 | #include <scimath/Mathematics/VectorKernel.h> |
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| 38 | |
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[2177] | 39 | #include <tables/Tables/ExprNode.h> |
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| 40 | #include <tables/Tables/ReadAsciiTable.h> |
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| 41 | #include <tables/Tables/TableCopy.h> |
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| 42 | #include <tables/Tables/TableIter.h> |
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| 43 | #include <tables/Tables/TableParse.h> |
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| 44 | #include <tables/Tables/TableRecord.h> |
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| 45 | #include <tables/Tables/TableRow.h> |
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| 46 | #include <tables/Tables/TableVector.h> |
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| 47 | #include <tables/Tables/TabVecMath.h> |
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| 48 | |
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[1819] | 49 | #include <atnf/PKSIO/SrcType.h> |
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| 50 | |
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[805] | 51 | #include "RowAccumulator.h" |
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[878] | 52 | #include "STAttr.h" |
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[2177] | 53 | #include "STMath.h" |
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[1391] | 54 | #include "STSelector.h" |
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[2] | 55 | |
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[805] | 56 | using namespace casa; |
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[83] | 57 | using namespace asap; |
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[2] | 58 | |
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[2412] | 59 | // 2012/02/17 TN |
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| 60 | // Since STGrid is implemented, average doesn't consider direction |
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| 61 | // when accumulating |
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[1819] | 62 | // tolerance for direction comparison (rad) |
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[2412] | 63 | // #define TOL_OTF 1.0e-15 |
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| 64 | // #define TOL_POINT 2.9088821e-4 // 1 arcmin |
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[1819] | 65 | |
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[805] | 66 | STMath::STMath(bool insitu) : |
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| 67 | insitu_(insitu) |
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[716] | 68 | { |
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| 69 | } |
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[170] | 70 | |
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| 71 | |
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[805] | 72 | STMath::~STMath() |
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[170] | 73 | { |
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| 74 | } |
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| 75 | |
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[805] | 76 | CountedPtr<Scantable> |
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[977] | 77 | STMath::average( const std::vector<CountedPtr<Scantable> >& in, |
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[858] | 78 | const std::vector<bool>& mask, |
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[805] | 79 | const std::string& weight, |
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[977] | 80 | const std::string& avmode) |
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[262] | 81 | { |
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[1819] | 82 | LogIO os( LogOrigin( "STMath", "average()", WHERE ) ) ; |
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[977] | 83 | if ( avmode == "SCAN" && in.size() != 1 ) |
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[1066] | 84 | throw(AipsError("Can't perform 'SCAN' averaging on multiple tables.\n" |
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| 85 | "Use merge first.")); |
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[805] | 86 | WeightType wtype = stringToWeight(weight); |
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[926] | 87 | |
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[2412] | 88 | // 2012/02/17 TN |
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| 89 | // Since STGrid is implemented, average doesn't consider direction |
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| 90 | // when accumulating |
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[1819] | 91 | // check if OTF observation |
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[2412] | 92 | // String obstype = in[0]->getHeader().obstype ; |
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| 93 | // Double tol = 0.0 ; |
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| 94 | // if ( (obstype.find( "OTF" ) != String::npos) || (obstype.find( "OBSERVE_TARGET" ) != String::npos) ) { |
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| 95 | // tol = TOL_OTF ; |
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| 96 | // } |
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| 97 | // else { |
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| 98 | // tol = TOL_POINT ; |
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| 99 | // } |
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[1819] | 100 | |
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[805] | 101 | // output |
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| 102 | // clone as this is non insitu |
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| 103 | bool insitu = insitu_; |
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| 104 | setInsitu(false); |
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[977] | 105 | CountedPtr< Scantable > out = getScantable(in[0], true); |
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[805] | 106 | setInsitu(insitu); |
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[977] | 107 | std::vector<CountedPtr<Scantable> >::const_iterator stit = in.begin(); |
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[862] | 108 | ++stit; |
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[977] | 109 | while ( stit != in.end() ) { |
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[862] | 110 | out->appendToHistoryTable((*stit)->history()); |
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| 111 | ++stit; |
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| 112 | } |
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[294] | 113 | |
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[805] | 114 | Table& tout = out->table(); |
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[701] | 115 | |
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[805] | 116 | /// @todo check if all scantables are conformant |
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[294] | 117 | |
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[805] | 118 | ArrayColumn<Float> specColOut(tout,"SPECTRA"); |
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| 119 | ArrayColumn<uChar> flagColOut(tout,"FLAGTRA"); |
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| 120 | ArrayColumn<Float> tsysColOut(tout,"TSYS"); |
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| 121 | ScalarColumn<Double> mjdColOut(tout,"TIME"); |
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| 122 | ScalarColumn<Double> intColOut(tout,"INTERVAL"); |
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[1008] | 123 | ScalarColumn<uInt> cycColOut(tout,"CYCLENO"); |
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[1145] | 124 | ScalarColumn<uInt> scanColOut(tout,"SCANNO"); |
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[262] | 125 | |
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[805] | 126 | // set up the output table rows. These are based on the structure of the |
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[862] | 127 | // FIRST scantable in the vector |
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[977] | 128 | const Table& baset = in[0]->table(); |
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[262] | 129 | |
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[805] | 130 | Block<String> cols(3); |
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| 131 | cols[0] = String("BEAMNO"); |
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| 132 | cols[1] = String("IFNO"); |
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| 133 | cols[2] = String("POLNO"); |
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| 134 | if ( avmode == "SOURCE" ) { |
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| 135 | cols.resize(4); |
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| 136 | cols[3] = String("SRCNAME"); |
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[488] | 137 | } |
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[977] | 138 | if ( avmode == "SCAN" && in.size() == 1) { |
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[1819] | 139 | //cols.resize(4); |
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| 140 | //cols[3] = String("SCANNO"); |
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| 141 | cols.resize(5); |
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| 142 | cols[3] = String("SRCNAME"); |
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| 143 | cols[4] = String("SCANNO"); |
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[2] | 144 | } |
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[805] | 145 | uInt outrowCount = 0; |
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| 146 | TableIterator iter(baset, cols); |
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[1819] | 147 | // int count = 0 ; |
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[805] | 148 | while (!iter.pastEnd()) { |
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| 149 | Table subt = iter.table(); |
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[2412] | 150 | // copy the first row of this selection into the new table |
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| 151 | tout.addRow(); |
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| 152 | TableCopy::copyRows(tout, subt, outrowCount, 0, 1); |
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| 153 | // re-index to 0 |
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| 154 | if ( avmode != "SCAN" && avmode != "SOURCE" ) { |
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| 155 | scanColOut.put(outrowCount, uInt(0)); |
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| 156 | } |
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| 157 | ++outrowCount; |
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| 158 | // 2012/02/17 TN |
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| 159 | // Since STGrid is implemented, average doesn't consider direction |
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| 160 | // when accumulating |
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| 161 | // MDirection::ScalarColumn dircol ; |
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| 162 | // dircol.attach( subt, "DIRECTION" ) ; |
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| 163 | // Int length = subt.nrow() ; |
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| 164 | // vector< Vector<Double> > dirs ; |
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| 165 | // vector<int> indexes ; |
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| 166 | // for ( Int i = 0 ; i < length ; i++ ) { |
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| 167 | // Vector<Double> t = dircol(i).getAngle(Unit(String("rad"))).getValue() ; |
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| 168 | // //os << << count++ << ": " ; |
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| 169 | // //os << "[" << t[0] << "," << t[1] << "]" << LogIO::POST ; |
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| 170 | // bool adddir = true ; |
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| 171 | // for ( uInt j = 0 ; j < dirs.size() ; j++ ) { |
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| 172 | // //if ( allTrue( t == dirs[j] ) ) { |
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| 173 | // Double dx = t[0] - dirs[j][0] ; |
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| 174 | // Double dy = t[1] - dirs[j][1] ; |
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| 175 | // Double dd = sqrt( dx * dx + dy * dy ) ; |
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| 176 | // //if ( allNearAbs( t, dirs[j], tol ) ) { |
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| 177 | // if ( dd <= tol ) { |
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| 178 | // adddir = false ; |
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| 179 | // break ; |
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| 180 | // } |
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| 181 | // } |
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| 182 | // if ( adddir ) { |
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| 183 | // dirs.push_back( t ) ; |
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| 184 | // indexes.push_back( i ) ; |
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| 185 | // } |
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[1819] | 186 | // } |
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[2412] | 187 | // uInt rowNum = dirs.size() ; |
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| 188 | // tout.addRow( rowNum ) ; |
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| 189 | // for ( uInt i = 0 ; i < rowNum ; i++ ) { |
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| 190 | // TableCopy::copyRows( tout, subt, outrowCount+i, indexes[i], 1 ) ; |
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| 191 | // // re-index to 0 |
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| 192 | // if ( avmode != "SCAN" && avmode != "SOURCE" ) { |
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| 193 | // scanColOut.put(outrowCount+i, uInt(0)); |
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| 194 | // } |
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| 195 | // } |
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| 196 | // outrowCount += rowNum ; |
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[805] | 197 | ++iter; |
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[144] | 198 | } |
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[805] | 199 | RowAccumulator acc(wtype); |
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[858] | 200 | Vector<Bool> cmask(mask); |
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| 201 | acc.setUserMask(cmask); |
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[805] | 202 | ROTableRow row(tout); |
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| 203 | ROArrayColumn<Float> specCol, tsysCol; |
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| 204 | ROArrayColumn<uChar> flagCol; |
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| 205 | ROScalarColumn<Double> mjdCol, intCol; |
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| 206 | ROScalarColumn<Int> scanIDCol; |
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[144] | 207 | |
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[1333] | 208 | Vector<uInt> rowstodelete; |
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| 209 | |
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[805] | 210 | for (uInt i=0; i < tout.nrow(); ++i) { |
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[996] | 211 | for ( int j=0; j < int(in.size()); ++j ) { |
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[977] | 212 | const Table& tin = in[j]->table(); |
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[805] | 213 | const TableRecord& rec = row.get(i); |
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| 214 | ROScalarColumn<Double> tmp(tin, "TIME"); |
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| 215 | Double td;tmp.get(0,td); |
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[2125] | 216 | Table basesubt = tin( tin.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
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| 217 | && tin.col("IFNO") == Int(rec.asuInt("IFNO")) |
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| 218 | && tin.col("POLNO") == Int(rec.asuInt("POLNO")) ); |
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[805] | 219 | Table subt; |
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| 220 | if ( avmode == "SOURCE") { |
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[2125] | 221 | subt = basesubt( basesubt.col("SRCNAME") == rec.asString("SRCNAME")); |
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[805] | 222 | } else if (avmode == "SCAN") { |
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[2125] | 223 | subt = basesubt( basesubt.col("SRCNAME") == rec.asString("SRCNAME") |
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| 224 | && basesubt.col("SCANNO") == Int(rec.asuInt("SCANNO")) ); |
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[805] | 225 | } else { |
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| 226 | subt = basesubt; |
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| 227 | } |
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[1819] | 228 | |
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[2412] | 229 | // 2012/02/17 TN |
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| 230 | // Since STGrid is implemented, average doesn't consider direction |
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| 231 | // when accumulating |
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| 232 | // vector<uInt> removeRows ; |
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| 233 | // uInt nrsubt = subt.nrow() ; |
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| 234 | // for ( uInt irow = 0 ; irow < nrsubt ; irow++ ) { |
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| 235 | // //if ( !allTrue((subt.col("DIRECTION").getArrayDouble(TableExprId(irow)))==rec.asArrayDouble("DIRECTION")) ) { |
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| 236 | // Vector<Double> x0 = (subt.col("DIRECTION").getArrayDouble(TableExprId(irow))) ; |
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| 237 | // Vector<Double> x1 = rec.asArrayDouble("DIRECTION") ; |
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| 238 | // double dx = x0[0] - x1[0]; |
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| 239 | // double dy = x0[1] - x1[1]; |
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| 240 | // Double dd = sqrt( dx * dx + dy * dy ) ; |
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| 241 | // //if ( !allNearAbs((subt.col("DIRECTION").getArrayDouble(TableExprId(irow))), rec.asArrayDouble("DIRECTION"), tol ) ) { |
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| 242 | // if ( dd > tol ) { |
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| 243 | // removeRows.push_back( irow ) ; |
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| 244 | // } |
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| 245 | // } |
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| 246 | // if ( removeRows.size() != 0 ) { |
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| 247 | // subt.removeRow( removeRows ) ; |
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| 248 | // } |
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[1819] | 249 | |
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[2412] | 250 | // if ( nrsubt == removeRows.size() ) |
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| 251 | // throw(AipsError("Averaging data is empty.")) ; |
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[1819] | 252 | |
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[805] | 253 | specCol.attach(subt,"SPECTRA"); |
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| 254 | flagCol.attach(subt,"FLAGTRA"); |
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| 255 | tsysCol.attach(subt,"TSYS"); |
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| 256 | intCol.attach(subt,"INTERVAL"); |
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| 257 | mjdCol.attach(subt,"TIME"); |
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| 258 | Vector<Float> spec,tsys; |
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| 259 | Vector<uChar> flag; |
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| 260 | Double inter,time; |
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| 261 | for (uInt k = 0; k < subt.nrow(); ++k ) { |
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| 262 | flagCol.get(k, flag); |
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| 263 | Vector<Bool> bflag(flag.shape()); |
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| 264 | convertArray(bflag, flag); |
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[1314] | 265 | /* |
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[805] | 266 | if ( allEQ(bflag, True) ) { |
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[1314] | 267 | continue;//don't accumulate |
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[144] | 268 | } |
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[1314] | 269 | */ |
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[805] | 270 | specCol.get(k, spec); |
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| 271 | tsysCol.get(k, tsys); |
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| 272 | intCol.get(k, inter); |
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| 273 | mjdCol.get(k, time); |
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| 274 | // spectrum has to be added last to enable weighting by the other values |
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| 275 | acc.add(spec, !bflag, tsys, inter, time); |
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| 276 | } |
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[2125] | 277 | |
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| 278 | // If there exists a channel at which all the input spectra are masked, |
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| 279 | // spec has 'nan' values for that channel and it may affect the following |
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| 280 | // processes. To avoid this, replacing 'nan' values in spec with |
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| 281 | // weighted-mean of all spectra in the following line. |
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| 282 | // (done for CAS-2776, 2011/04/07 by Wataru Kawasaki) |
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| 283 | acc.replaceNaN(); |
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[805] | 284 | } |
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[1333] | 285 | const Vector<Bool>& msk = acc.getMask(); |
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| 286 | if ( allEQ(msk, False) ) { |
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| 287 | uint n = rowstodelete.nelements(); |
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| 288 | rowstodelete.resize(n+1, True); |
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| 289 | rowstodelete[n] = i; |
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| 290 | continue; |
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| 291 | } |
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[805] | 292 | //write out |
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[1819] | 293 | if (acc.state()) { |
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| 294 | Vector<uChar> flg(msk.shape()); |
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| 295 | convertArray(flg, !msk); |
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[2125] | 296 | for (uInt k = 0; k < flg.nelements(); ++k) { |
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| 297 | uChar userFlag = 1 << 7; |
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| 298 | if (msk[k]==True) userFlag = 0 << 7; |
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| 299 | flg(k) = userFlag; |
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| 300 | } |
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| 301 | |
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[1819] | 302 | flagColOut.put(i, flg); |
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| 303 | specColOut.put(i, acc.getSpectrum()); |
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| 304 | tsysColOut.put(i, acc.getTsys()); |
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| 305 | intColOut.put(i, acc.getInterval()); |
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| 306 | mjdColOut.put(i, acc.getTime()); |
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| 307 | // we should only have one cycle now -> reset it to be 0 |
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| 308 | // frequency switched data has different CYCLENO for different IFNO |
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| 309 | // which requires resetting this value |
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| 310 | cycColOut.put(i, uInt(0)); |
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| 311 | } else { |
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| 312 | ostringstream oss; |
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| 313 | oss << "For output row="<<i<<", all input rows of data are flagged. no averaging" << endl; |
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| 314 | pushLog(String(oss)); |
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| 315 | } |
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[805] | 316 | acc.reset(); |
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[144] | 317 | } |
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[2135] | 318 | |
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[1333] | 319 | if (rowstodelete.nelements() > 0) { |
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[1819] | 320 | os << rowstodelete << LogIO::POST ; |
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[1333] | 321 | tout.removeRow(rowstodelete); |
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| 322 | if (tout.nrow() == 0) { |
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| 323 | throw(AipsError("Can't average fully flagged data.")); |
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| 324 | } |
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| 325 | } |
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[805] | 326 | return out; |
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[2] | 327 | } |
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[9] | 328 | |
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[1069] | 329 | CountedPtr< Scantable > |
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[2163] | 330 | STMath::averageChannel( const CountedPtr < Scantable > & in, |
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[1078] | 331 | const std::string & mode, |
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| 332 | const std::string& avmode ) |
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[1069] | 333 | { |
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[2163] | 334 | (void) mode; // currently unused |
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[2412] | 335 | // 2012/02/17 TN |
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| 336 | // Since STGrid is implemented, average doesn't consider direction |
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| 337 | // when accumulating |
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[1819] | 338 | // check if OTF observation |
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[2412] | 339 | // String obstype = in->getHeader().obstype ; |
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| 340 | // Double tol = 0.0 ; |
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| 341 | // if ( obstype.find( "OTF" ) != String::npos ) { |
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| 342 | // tol = TOL_OTF ; |
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| 343 | // } |
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| 344 | // else { |
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| 345 | // tol = TOL_POINT ; |
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| 346 | // } |
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[1819] | 347 | |
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[1069] | 348 | // clone as this is non insitu |
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| 349 | bool insitu = insitu_; |
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| 350 | setInsitu(false); |
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| 351 | CountedPtr< Scantable > out = getScantable(in, true); |
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| 352 | setInsitu(insitu); |
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| 353 | Table& tout = out->table(); |
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| 354 | ArrayColumn<Float> specColOut(tout,"SPECTRA"); |
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| 355 | ArrayColumn<uChar> flagColOut(tout,"FLAGTRA"); |
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| 356 | ArrayColumn<Float> tsysColOut(tout,"TSYS"); |
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[1140] | 357 | ScalarColumn<uInt> scanColOut(tout,"SCANNO"); |
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[1232] | 358 | ScalarColumn<Double> intColOut(tout, "INTERVAL"); |
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[1140] | 359 | Table tmp = in->table().sort("BEAMNO"); |
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[1069] | 360 | Block<String> cols(3); |
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| 361 | cols[0] = String("BEAMNO"); |
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| 362 | cols[1] = String("IFNO"); |
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| 363 | cols[2] = String("POLNO"); |
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[1078] | 364 | if ( avmode == "SCAN") { |
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| 365 | cols.resize(4); |
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| 366 | cols[3] = String("SCANNO"); |
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| 367 | } |
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[1069] | 368 | uInt outrowCount = 0; |
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| 369 | uChar userflag = 1 << 7; |
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[1140] | 370 | TableIterator iter(tmp, cols); |
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[1069] | 371 | while (!iter.pastEnd()) { |
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| 372 | Table subt = iter.table(); |
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| 373 | ROArrayColumn<Float> specCol, tsysCol; |
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| 374 | ROArrayColumn<uChar> flagCol; |
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[1232] | 375 | ROScalarColumn<Double> intCol(subt, "INTERVAL"); |
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[1069] | 376 | specCol.attach(subt,"SPECTRA"); |
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| 377 | flagCol.attach(subt,"FLAGTRA"); |
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| 378 | tsysCol.attach(subt,"TSYS"); |
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[2412] | 379 | |
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| 380 | tout.addRow(); |
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| 381 | TableCopy::copyRows(tout, subt, outrowCount, 0, 1); |
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| 382 | if ( avmode != "SCAN") { |
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| 383 | scanColOut.put(outrowCount, uInt(0)); |
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| 384 | } |
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| 385 | Vector<Float> tmp; |
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| 386 | specCol.get(0, tmp); |
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| 387 | uInt nchan = tmp.nelements(); |
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| 388 | // have to do channel by channel here as MaskedArrMath |
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| 389 | // doesn't have partialMedians |
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| 390 | Vector<uChar> flags = flagCol.getColumn(Slicer(Slice(0))); |
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| 391 | Vector<Float> outspec(nchan); |
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| 392 | Vector<uChar> outflag(nchan,0); |
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| 393 | Vector<Float> outtsys(1);/// @fixme when tsys is channel based |
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| 394 | for (uInt i=0; i<nchan; ++i) { |
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| 395 | Vector<Float> specs = specCol.getColumn(Slicer(Slice(i))); |
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| 396 | MaskedArray<Float> ma = maskedArray(specs,flags); |
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| 397 | outspec[i] = median(ma); |
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| 398 | if ( allEQ(ma.getMask(), False) ) |
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| 399 | outflag[i] = userflag;// flag data |
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| 400 | } |
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| 401 | outtsys[0] = median(tsysCol.getColumn()); |
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| 402 | specColOut.put(outrowCount, outspec); |
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| 403 | flagColOut.put(outrowCount, outflag); |
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| 404 | tsysColOut.put(outrowCount, outtsys); |
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| 405 | Double intsum = sum(intCol.getColumn()); |
---|
| 406 | intColOut.put(outrowCount, intsum); |
---|
| 407 | ++outrowCount; |
---|
| 408 | ++iter; |
---|
| 409 | |
---|
| 410 | // 2012/02/17 TN |
---|
| 411 | // Since STGrid is implemented, average doesn't consider direction |
---|
| 412 | // when accumulating |
---|
| 413 | // MDirection::ScalarColumn dircol ; |
---|
| 414 | // dircol.attach( subt, "DIRECTION" ) ; |
---|
| 415 | // Int length = subt.nrow() ; |
---|
| 416 | // vector< Vector<Double> > dirs ; |
---|
| 417 | // vector<int> indexes ; |
---|
| 418 | // // Handle MX mode averaging |
---|
| 419 | // if (in->nbeam() > 1 ) { |
---|
| 420 | // length = 1; |
---|
[1819] | 421 | // } |
---|
[2412] | 422 | // for ( Int i = 0 ; i < length ; i++ ) { |
---|
| 423 | // Vector<Double> t = dircol(i).getAngle(Unit(String("rad"))).getValue() ; |
---|
| 424 | // bool adddir = true ; |
---|
| 425 | // for ( uInt j = 0 ; j < dirs.size() ; j++ ) { |
---|
| 426 | // //if ( allTrue( t == dirs[j] ) ) { |
---|
| 427 | // Double dx = t[0] - dirs[j][0] ; |
---|
| 428 | // Double dy = t[1] - dirs[j][1] ; |
---|
| 429 | // Double dd = sqrt( dx * dx + dy * dy ) ; |
---|
| 430 | // //if ( allNearAbs( t, dirs[j], tol ) ) { |
---|
| 431 | // if ( dd <= tol ) { |
---|
| 432 | // adddir = false ; |
---|
| 433 | // break ; |
---|
| 434 | // } |
---|
| 435 | // } |
---|
| 436 | // if ( adddir ) { |
---|
| 437 | // dirs.push_back( t ) ; |
---|
| 438 | // indexes.push_back( i ) ; |
---|
| 439 | // } |
---|
[1819] | 440 | // } |
---|
[2412] | 441 | // uInt rowNum = dirs.size() ; |
---|
| 442 | // tout.addRow( rowNum ); |
---|
| 443 | // for ( uInt i = 0 ; i < rowNum ; i++ ) { |
---|
| 444 | // TableCopy::copyRows(tout, subt, outrowCount+i, indexes[i], 1) ; |
---|
| 445 | // // Handle MX mode averaging |
---|
| 446 | // if ( avmode != "SCAN") { |
---|
| 447 | // scanColOut.put(outrowCount+i, uInt(0)); |
---|
| 448 | // } |
---|
| 449 | // } |
---|
| 450 | // MDirection::ScalarColumn dircolOut ; |
---|
| 451 | // dircolOut.attach( tout, "DIRECTION" ) ; |
---|
| 452 | // for ( uInt irow = 0 ; irow < rowNum ; irow++ ) { |
---|
| 453 | // Vector<Double> t = \ |
---|
| 454 | // dircolOut(outrowCount+irow).getAngle(Unit(String("rad"))).getValue() ; |
---|
| 455 | // Vector<Float> tmp; |
---|
| 456 | // specCol.get(0, tmp); |
---|
| 457 | // uInt nchan = tmp.nelements(); |
---|
| 458 | // // have to do channel by channel here as MaskedArrMath |
---|
| 459 | // // doesn't have partialMedians |
---|
| 460 | // Vector<uChar> flags = flagCol.getColumn(Slicer(Slice(0))); |
---|
| 461 | // // mask spectra for different DIRECTION |
---|
| 462 | // for ( uInt jrow = 0 ; jrow < subt.nrow() ; jrow++ ) { |
---|
| 463 | // Vector<Double> direction = \ |
---|
| 464 | // dircol(jrow).getAngle(Unit(String("rad"))).getValue() ; |
---|
| 465 | // //if ( t[0] != direction[0] || t[1] != direction[1] ) { |
---|
| 466 | // Double dx = t[0] - direction[0]; |
---|
| 467 | // Double dy = t[1] - direction[1]; |
---|
| 468 | // Double dd = sqrt(dx*dx + dy*dy); |
---|
| 469 | // //if ( !allNearAbs( t, direction, tol ) ) { |
---|
| 470 | // if ( dd > tol && in->nbeam() < 2 ) { |
---|
| 471 | // flags[jrow] = userflag ; |
---|
| 472 | // } |
---|
| 473 | // } |
---|
| 474 | // Vector<Float> outspec(nchan); |
---|
| 475 | // Vector<uChar> outflag(nchan,0); |
---|
| 476 | // Vector<Float> outtsys(1);/// @fixme when tsys is channel based |
---|
| 477 | // for (uInt i=0; i<nchan; ++i) { |
---|
| 478 | // Vector<Float> specs = specCol.getColumn(Slicer(Slice(i))); |
---|
| 479 | // MaskedArray<Float> ma = maskedArray(specs,flags); |
---|
| 480 | // outspec[i] = median(ma); |
---|
| 481 | // if ( allEQ(ma.getMask(), False) ) |
---|
| 482 | // outflag[i] = userflag;// flag data |
---|
| 483 | // } |
---|
| 484 | // outtsys[0] = median(tsysCol.getColumn()); |
---|
| 485 | // specColOut.put(outrowCount+irow, outspec); |
---|
| 486 | // flagColOut.put(outrowCount+irow, outflag); |
---|
| 487 | // tsysColOut.put(outrowCount+irow, outtsys); |
---|
| 488 | // Vector<Double> integ = intCol.getColumn() ; |
---|
| 489 | // MaskedArray<Double> mi = maskedArray( integ, flags ) ; |
---|
| 490 | // Double intsum = sum(mi); |
---|
| 491 | // intColOut.put(outrowCount+irow, intsum); |
---|
| 492 | // } |
---|
| 493 | // outrowCount += rowNum ; |
---|
[1819] | 494 | // ++iter; |
---|
[1069] | 495 | } |
---|
| 496 | return out; |
---|
| 497 | } |
---|
| 498 | |
---|
[805] | 499 | CountedPtr< Scantable > STMath::getScantable(const CountedPtr< Scantable >& in, |
---|
| 500 | bool droprows) |
---|
[185] | 501 | { |
---|
[1505] | 502 | if (insitu_) { |
---|
| 503 | return in; |
---|
| 504 | } |
---|
[805] | 505 | else { |
---|
| 506 | // clone |
---|
[1505] | 507 | return CountedPtr<Scantable>(new Scantable(*in, Bool(droprows))); |
---|
[234] | 508 | } |
---|
[805] | 509 | } |
---|
[234] | 510 | |
---|
[805] | 511 | CountedPtr< Scantable > STMath::unaryOperate( const CountedPtr< Scantable >& in, |
---|
| 512 | float val, |
---|
| 513 | const std::string& mode, |
---|
| 514 | bool tsys ) |
---|
| 515 | { |
---|
| 516 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 517 | Table& tab = out->table(); |
---|
| 518 | ArrayColumn<Float> specCol(tab,"SPECTRA"); |
---|
| 519 | ArrayColumn<Float> tsysCol(tab,"TSYS"); |
---|
[2143] | 520 | if (mode=="DIV") val = 1.0/val ; |
---|
| 521 | else if (mode=="SUB") val *= -1.0 ; |
---|
[805] | 522 | for (uInt i=0; i<tab.nrow(); ++i) { |
---|
| 523 | Vector<Float> spec; |
---|
| 524 | Vector<Float> ts; |
---|
| 525 | specCol.get(i, spec); |
---|
| 526 | tsysCol.get(i, ts); |
---|
[1308] | 527 | if (mode == "MUL" || mode == "DIV") { |
---|
[2143] | 528 | //if (mode == "DIV") val = 1.0/val; |
---|
[805] | 529 | spec *= val; |
---|
| 530 | specCol.put(i, spec); |
---|
| 531 | if ( tsys ) { |
---|
| 532 | ts *= val; |
---|
| 533 | tsysCol.put(i, ts); |
---|
| 534 | } |
---|
[1308] | 535 | } else if ( mode == "ADD" || mode == "SUB") { |
---|
[2143] | 536 | //if (mode == "SUB") val *= -1.0; |
---|
[805] | 537 | spec += val; |
---|
| 538 | specCol.put(i, spec); |
---|
| 539 | if ( tsys ) { |
---|
| 540 | ts += val; |
---|
| 541 | tsysCol.put(i, ts); |
---|
| 542 | } |
---|
| 543 | } |
---|
[234] | 544 | } |
---|
[805] | 545 | return out; |
---|
| 546 | } |
---|
[234] | 547 | |
---|
[1819] | 548 | CountedPtr< Scantable > STMath::arrayOperate( const CountedPtr< Scantable >& in, |
---|
| 549 | const std::vector<float> val, |
---|
| 550 | const std::string& mode, |
---|
| 551 | const std::string& opmode, |
---|
| 552 | bool tsys ) |
---|
| 553 | { |
---|
| 554 | CountedPtr< Scantable > out ; |
---|
| 555 | if ( opmode == "channel" ) { |
---|
| 556 | out = arrayOperateChannel( in, val, mode, tsys ) ; |
---|
| 557 | } |
---|
| 558 | else if ( opmode == "row" ) { |
---|
| 559 | out = arrayOperateRow( in, val, mode, tsys ) ; |
---|
| 560 | } |
---|
| 561 | else { |
---|
| 562 | throw( AipsError( "Unknown array operation mode." ) ) ; |
---|
| 563 | } |
---|
| 564 | return out ; |
---|
| 565 | } |
---|
| 566 | |
---|
| 567 | CountedPtr< Scantable > STMath::arrayOperateChannel( const CountedPtr< Scantable >& in, |
---|
| 568 | const std::vector<float> val, |
---|
| 569 | const std::string& mode, |
---|
| 570 | bool tsys ) |
---|
| 571 | { |
---|
| 572 | if ( val.size() == 1 ){ |
---|
| 573 | return unaryOperate( in, val[0], mode, tsys ) ; |
---|
| 574 | } |
---|
| 575 | |
---|
| 576 | // conformity of SPECTRA and TSYS |
---|
| 577 | if ( tsys ) { |
---|
| 578 | TableIterator titer(in->table(), "IFNO"); |
---|
| 579 | while ( !titer.pastEnd() ) { |
---|
| 580 | ArrayColumn<Float> specCol( in->table(), "SPECTRA" ) ; |
---|
| 581 | ArrayColumn<Float> tsysCol( in->table(), "TSYS" ) ; |
---|
| 582 | Array<Float> spec = specCol.getColumn() ; |
---|
| 583 | Array<Float> ts = tsysCol.getColumn() ; |
---|
| 584 | if ( !spec.conform( ts ) ) { |
---|
| 585 | throw( AipsError( "SPECTRA and TSYS must conform in shape if you want to apply operation on Tsys." ) ) ; |
---|
| 586 | } |
---|
| 587 | titer.next() ; |
---|
| 588 | } |
---|
| 589 | } |
---|
| 590 | |
---|
| 591 | // check if all spectra in the scantable have the same number of channel |
---|
| 592 | vector<uInt> nchans; |
---|
| 593 | vector<uInt> ifnos = in->getIFNos() ; |
---|
| 594 | for ( uInt i = 0 ; i < ifnos.size() ; i++ ) { |
---|
| 595 | nchans.push_back( in->nchan( ifnos[i] ) ) ; |
---|
| 596 | } |
---|
| 597 | Vector<uInt> mchans( nchans ) ; |
---|
| 598 | if ( anyNE( mchans, mchans[0] ) ) { |
---|
| 599 | throw( AipsError("All spectra in the input scantable must have the same number of channel for vector operation." ) ) ; |
---|
| 600 | } |
---|
| 601 | |
---|
| 602 | // check if vector size is equal to nchan |
---|
| 603 | Vector<Float> fact( val ) ; |
---|
| 604 | if ( fact.nelements() != mchans[0] ) { |
---|
| 605 | throw( AipsError("Vector size must be 1 or be same as number of channel.") ) ; |
---|
| 606 | } |
---|
| 607 | |
---|
| 608 | // check divided by zero |
---|
| 609 | if ( ( mode == "DIV" ) && anyEQ( fact, (float)0.0 ) ) { |
---|
| 610 | throw( AipsError("Divided by zero is not recommended." ) ) ; |
---|
| 611 | } |
---|
| 612 | |
---|
| 613 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 614 | Table& tab = out->table(); |
---|
| 615 | ArrayColumn<Float> specCol(tab,"SPECTRA"); |
---|
| 616 | ArrayColumn<Float> tsysCol(tab,"TSYS"); |
---|
[2143] | 617 | if (mode == "DIV") fact = (float)1.0 / fact; |
---|
| 618 | else if (mode == "SUB") fact *= (float)-1.0 ; |
---|
[1819] | 619 | for (uInt i=0; i<tab.nrow(); ++i) { |
---|
| 620 | Vector<Float> spec; |
---|
| 621 | Vector<Float> ts; |
---|
| 622 | specCol.get(i, spec); |
---|
| 623 | tsysCol.get(i, ts); |
---|
| 624 | if (mode == "MUL" || mode == "DIV") { |
---|
[2143] | 625 | //if (mode == "DIV") fact = (float)1.0 / fact; |
---|
[1819] | 626 | spec *= fact; |
---|
| 627 | specCol.put(i, spec); |
---|
| 628 | if ( tsys ) { |
---|
| 629 | ts *= fact; |
---|
| 630 | tsysCol.put(i, ts); |
---|
| 631 | } |
---|
| 632 | } else if ( mode == "ADD" || mode == "SUB") { |
---|
[2143] | 633 | //if (mode == "SUB") fact *= (float)-1.0 ; |
---|
[1819] | 634 | spec += fact; |
---|
| 635 | specCol.put(i, spec); |
---|
| 636 | if ( tsys ) { |
---|
| 637 | ts += fact; |
---|
| 638 | tsysCol.put(i, ts); |
---|
| 639 | } |
---|
| 640 | } |
---|
| 641 | } |
---|
| 642 | return out; |
---|
| 643 | } |
---|
| 644 | |
---|
| 645 | CountedPtr< Scantable > STMath::arrayOperateRow( const CountedPtr< Scantable >& in, |
---|
| 646 | const std::vector<float> val, |
---|
| 647 | const std::string& mode, |
---|
| 648 | bool tsys ) |
---|
| 649 | { |
---|
| 650 | if ( val.size() == 1 ) { |
---|
| 651 | return unaryOperate( in, val[0], mode, tsys ) ; |
---|
| 652 | } |
---|
| 653 | |
---|
| 654 | // conformity of SPECTRA and TSYS |
---|
| 655 | if ( tsys ) { |
---|
| 656 | TableIterator titer(in->table(), "IFNO"); |
---|
| 657 | while ( !titer.pastEnd() ) { |
---|
| 658 | ArrayColumn<Float> specCol( in->table(), "SPECTRA" ) ; |
---|
| 659 | ArrayColumn<Float> tsysCol( in->table(), "TSYS" ) ; |
---|
| 660 | Array<Float> spec = specCol.getColumn() ; |
---|
| 661 | Array<Float> ts = tsysCol.getColumn() ; |
---|
| 662 | if ( !spec.conform( ts ) ) { |
---|
| 663 | throw( AipsError( "SPECTRA and TSYS must conform in shape if you want to apply operation on Tsys." ) ) ; |
---|
| 664 | } |
---|
| 665 | titer.next() ; |
---|
| 666 | } |
---|
| 667 | } |
---|
| 668 | |
---|
| 669 | // check if vector size is equal to nrow |
---|
| 670 | Vector<Float> fact( val ) ; |
---|
[2125] | 671 | if (fact.nelements() != uInt(in->nrow())) { |
---|
[1819] | 672 | throw( AipsError("Vector size must be 1 or be same as number of row.") ) ; |
---|
| 673 | } |
---|
| 674 | |
---|
| 675 | // check divided by zero |
---|
| 676 | if ( ( mode == "DIV" ) && anyEQ( fact, (float)0.0 ) ) { |
---|
| 677 | throw( AipsError("Divided by zero is not recommended." ) ) ; |
---|
| 678 | } |
---|
| 679 | |
---|
| 680 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 681 | Table& tab = out->table(); |
---|
| 682 | ArrayColumn<Float> specCol(tab,"SPECTRA"); |
---|
| 683 | ArrayColumn<Float> tsysCol(tab,"TSYS"); |
---|
| 684 | if (mode == "DIV") fact = (float)1.0 / fact; |
---|
| 685 | if (mode == "SUB") fact *= (float)-1.0 ; |
---|
| 686 | for (uInt i=0; i<tab.nrow(); ++i) { |
---|
| 687 | Vector<Float> spec; |
---|
| 688 | Vector<Float> ts; |
---|
| 689 | specCol.get(i, spec); |
---|
| 690 | tsysCol.get(i, ts); |
---|
| 691 | if (mode == "MUL" || mode == "DIV") { |
---|
| 692 | spec *= fact[i]; |
---|
| 693 | specCol.put(i, spec); |
---|
| 694 | if ( tsys ) { |
---|
| 695 | ts *= fact[i]; |
---|
| 696 | tsysCol.put(i, ts); |
---|
| 697 | } |
---|
| 698 | } else if ( mode == "ADD" || mode == "SUB") { |
---|
| 699 | spec += fact[i]; |
---|
| 700 | specCol.put(i, spec); |
---|
| 701 | if ( tsys ) { |
---|
| 702 | ts += fact[i]; |
---|
| 703 | tsysCol.put(i, ts); |
---|
| 704 | } |
---|
| 705 | } |
---|
| 706 | } |
---|
| 707 | return out; |
---|
| 708 | } |
---|
| 709 | |
---|
| 710 | CountedPtr< Scantable > STMath::array2dOperate( const CountedPtr< Scantable >& in, |
---|
| 711 | const std::vector< std::vector<float> > val, |
---|
| 712 | const std::string& mode, |
---|
| 713 | bool tsys ) |
---|
| 714 | { |
---|
| 715 | // conformity of SPECTRA and TSYS |
---|
| 716 | if ( tsys ) { |
---|
| 717 | TableIterator titer(in->table(), "IFNO"); |
---|
| 718 | while ( !titer.pastEnd() ) { |
---|
| 719 | ArrayColumn<Float> specCol( in->table(), "SPECTRA" ) ; |
---|
| 720 | ArrayColumn<Float> tsysCol( in->table(), "TSYS" ) ; |
---|
| 721 | Array<Float> spec = specCol.getColumn() ; |
---|
| 722 | Array<Float> ts = tsysCol.getColumn() ; |
---|
| 723 | if ( !spec.conform( ts ) ) { |
---|
| 724 | throw( AipsError( "SPECTRA and TSYS must conform in shape if you want to apply operation on Tsys." ) ) ; |
---|
| 725 | } |
---|
| 726 | titer.next() ; |
---|
| 727 | } |
---|
| 728 | } |
---|
| 729 | |
---|
| 730 | // some checks |
---|
| 731 | vector<uInt> nchans; |
---|
[2125] | 732 | for (Int i = 0 ; i < in->nrow() ; i++) { |
---|
| 733 | nchans.push_back((in->getSpectrum(i)).size()); |
---|
[1819] | 734 | } |
---|
| 735 | //Vector<uInt> mchans( nchans ) ; |
---|
| 736 | vector< Vector<Float> > facts ; |
---|
| 737 | for ( uInt i = 0 ; i < nchans.size() ; i++ ) { |
---|
| 738 | Vector<Float> tmp( val[i] ) ; |
---|
| 739 | // check divided by zero |
---|
| 740 | if ( ( mode == "DIV" ) && anyEQ( tmp, (float)0.0 ) ) { |
---|
| 741 | throw( AipsError("Divided by zero is not recommended." ) ) ; |
---|
| 742 | } |
---|
| 743 | // conformity check |
---|
| 744 | if ( tmp.nelements() != nchans[i] ) { |
---|
| 745 | stringstream ss ; |
---|
| 746 | ss << "Row " << i << ": Vector size must be same as number of channel." ; |
---|
| 747 | throw( AipsError( ss.str() ) ) ; |
---|
| 748 | } |
---|
| 749 | facts.push_back( tmp ) ; |
---|
| 750 | } |
---|
| 751 | |
---|
| 752 | |
---|
| 753 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 754 | Table& tab = out->table(); |
---|
| 755 | ArrayColumn<Float> specCol(tab,"SPECTRA"); |
---|
| 756 | ArrayColumn<Float> tsysCol(tab,"TSYS"); |
---|
| 757 | for (uInt i=0; i<tab.nrow(); ++i) { |
---|
| 758 | Vector<Float> fact = facts[i] ; |
---|
| 759 | Vector<Float> spec; |
---|
| 760 | Vector<Float> ts; |
---|
| 761 | specCol.get(i, spec); |
---|
| 762 | tsysCol.get(i, ts); |
---|
| 763 | if (mode == "MUL" || mode == "DIV") { |
---|
| 764 | if (mode == "DIV") fact = (float)1.0 / fact; |
---|
| 765 | spec *= fact; |
---|
| 766 | specCol.put(i, spec); |
---|
| 767 | if ( tsys ) { |
---|
| 768 | ts *= fact; |
---|
| 769 | tsysCol.put(i, ts); |
---|
| 770 | } |
---|
| 771 | } else if ( mode == "ADD" || mode == "SUB") { |
---|
| 772 | if (mode == "SUB") fact *= (float)-1.0 ; |
---|
| 773 | spec += fact; |
---|
| 774 | specCol.put(i, spec); |
---|
| 775 | if ( tsys ) { |
---|
| 776 | ts += fact; |
---|
| 777 | tsysCol.put(i, ts); |
---|
| 778 | } |
---|
| 779 | } |
---|
| 780 | } |
---|
| 781 | return out; |
---|
| 782 | } |
---|
| 783 | |
---|
[1569] | 784 | CountedPtr<Scantable> STMath::binaryOperate(const CountedPtr<Scantable>& left, |
---|
| 785 | const CountedPtr<Scantable>& right, |
---|
[1308] | 786 | const std::string& mode) |
---|
| 787 | { |
---|
| 788 | bool insitu = insitu_; |
---|
| 789 | if ( ! left->conformant(*right) ) { |
---|
| 790 | throw(AipsError("'left' and 'right' scantables are not conformant.")); |
---|
| 791 | } |
---|
| 792 | setInsitu(false); |
---|
| 793 | CountedPtr< Scantable > out = getScantable(left, false); |
---|
| 794 | setInsitu(insitu); |
---|
| 795 | Table& tout = out->table(); |
---|
| 796 | Block<String> coln(5); |
---|
| 797 | coln[0] = "SCANNO"; coln[1] = "CYCLENO"; coln[2] = "BEAMNO"; |
---|
| 798 | coln[3] = "IFNO"; coln[4] = "POLNO"; |
---|
| 799 | Table tmpl = tout.sort(coln); |
---|
| 800 | Table tmpr = right->table().sort(coln); |
---|
| 801 | ArrayColumn<Float> lspecCol(tmpl,"SPECTRA"); |
---|
| 802 | ROArrayColumn<Float> rspecCol(tmpr,"SPECTRA"); |
---|
| 803 | ArrayColumn<uChar> lflagCol(tmpl,"FLAGTRA"); |
---|
| 804 | ROArrayColumn<uChar> rflagCol(tmpr,"FLAGTRA"); |
---|
| 805 | |
---|
| 806 | for (uInt i=0; i<tout.nrow(); ++i) { |
---|
| 807 | Vector<Float> lspecvec, rspecvec; |
---|
| 808 | Vector<uChar> lflagvec, rflagvec; |
---|
| 809 | lspecvec = lspecCol(i); rspecvec = rspecCol(i); |
---|
| 810 | lflagvec = lflagCol(i); rflagvec = rflagCol(i); |
---|
| 811 | MaskedArray<Float> mleft = maskedArray(lspecvec, lflagvec); |
---|
| 812 | MaskedArray<Float> mright = maskedArray(rspecvec, rflagvec); |
---|
| 813 | if (mode == "ADD") { |
---|
| 814 | mleft += mright; |
---|
| 815 | } else if ( mode == "SUB") { |
---|
| 816 | mleft -= mright; |
---|
| 817 | } else if ( mode == "MUL") { |
---|
| 818 | mleft *= mright; |
---|
| 819 | } else if ( mode == "DIV") { |
---|
| 820 | mleft /= mright; |
---|
| 821 | } else { |
---|
| 822 | throw(AipsError("Illegal binary operator")); |
---|
| 823 | } |
---|
| 824 | lspecCol.put(i, mleft.getArray()); |
---|
| 825 | } |
---|
| 826 | return out; |
---|
| 827 | } |
---|
| 828 | |
---|
| 829 | |
---|
| 830 | |
---|
[805] | 831 | MaskedArray<Float> STMath::maskedArray( const Vector<Float>& s, |
---|
| 832 | const Vector<uChar>& f) |
---|
| 833 | { |
---|
| 834 | Vector<Bool> mask; |
---|
| 835 | mask.resize(f.shape()); |
---|
| 836 | convertArray(mask, f); |
---|
| 837 | return MaskedArray<Float>(s,!mask); |
---|
| 838 | } |
---|
[248] | 839 | |
---|
[1819] | 840 | MaskedArray<Double> STMath::maskedArray( const Vector<Double>& s, |
---|
| 841 | const Vector<uChar>& f) |
---|
| 842 | { |
---|
| 843 | Vector<Bool> mask; |
---|
| 844 | mask.resize(f.shape()); |
---|
| 845 | convertArray(mask, f); |
---|
| 846 | return MaskedArray<Double>(s,!mask); |
---|
| 847 | } |
---|
| 848 | |
---|
[805] | 849 | Vector<uChar> STMath::flagsFromMA(const MaskedArray<Float>& ma) |
---|
| 850 | { |
---|
| 851 | const Vector<Bool>& m = ma.getMask(); |
---|
| 852 | Vector<uChar> flags(m.shape()); |
---|
| 853 | convertArray(flags, !m); |
---|
| 854 | return flags; |
---|
| 855 | } |
---|
[234] | 856 | |
---|
[1066] | 857 | CountedPtr< Scantable > STMath::autoQuotient( const CountedPtr< Scantable >& in, |
---|
| 858 | const std::string & mode, |
---|
| 859 | bool preserve ) |
---|
[805] | 860 | { |
---|
| 861 | /// @todo make other modes available |
---|
| 862 | /// modes should be "nearest", "pair" |
---|
| 863 | // make this operation non insitu |
---|
[2163] | 864 | (void) mode; //currently unused |
---|
[805] | 865 | const Table& tin = in->table(); |
---|
[1819] | 866 | Table ons = tin(tin.col("SRCTYPE") == Int(SrcType::PSON)); |
---|
| 867 | Table offs = tin(tin.col("SRCTYPE") == Int(SrcType::PSOFF)); |
---|
[805] | 868 | if ( offs.nrow() == 0 ) |
---|
| 869 | throw(AipsError("No 'off' scans present.")); |
---|
| 870 | // put all "on" scans into output table |
---|
[701] | 871 | |
---|
[805] | 872 | bool insitu = insitu_; |
---|
| 873 | setInsitu(false); |
---|
| 874 | CountedPtr< Scantable > out = getScantable(in, true); |
---|
| 875 | setInsitu(insitu); |
---|
| 876 | Table& tout = out->table(); |
---|
[248] | 877 | |
---|
[805] | 878 | TableCopy::copyRows(tout, ons); |
---|
| 879 | TableRow row(tout); |
---|
| 880 | ROScalarColumn<Double> offtimeCol(offs, "TIME"); |
---|
| 881 | ArrayColumn<Float> outspecCol(tout, "SPECTRA"); |
---|
| 882 | ROArrayColumn<Float> outtsysCol(tout, "TSYS"); |
---|
| 883 | ArrayColumn<uChar> outflagCol(tout, "FLAGTRA"); |
---|
| 884 | for (uInt i=0; i < tout.nrow(); ++i) { |
---|
| 885 | const TableRecord& rec = row.get(i); |
---|
| 886 | Double ontime = rec.asDouble("TIME"); |
---|
[1321] | 887 | Table presel = offs(offs.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
| 888 | && offs.col("IFNO") == Int(rec.asuInt("IFNO")) |
---|
| 889 | && offs.col("POLNO") == Int(rec.asuInt("POLNO")) ); |
---|
| 890 | ROScalarColumn<Double> offtimeCol(presel, "TIME"); |
---|
| 891 | |
---|
[805] | 892 | Double mindeltat = min(abs(offtimeCol.getColumn() - ontime)); |
---|
[1259] | 893 | // Timestamp may vary within a cycle ???!!! |
---|
[1321] | 894 | // increase this by 0.01 sec in case of rounding errors... |
---|
[1259] | 895 | // There might be a better way to do this. |
---|
[1321] | 896 | // fix to this fix. TIME is MJD, so 1.0d not 1.0s |
---|
| 897 | mindeltat += 0.01/24./60./60.; |
---|
| 898 | Table sel = presel( abs(presel.col("TIME")-ontime) <= mindeltat); |
---|
[780] | 899 | |
---|
[1259] | 900 | if ( sel.nrow() < 1 ) { |
---|
| 901 | throw(AipsError("No closest in time found... This could be a rounding " |
---|
| 902 | "issue. Try quotient instead.")); |
---|
| 903 | } |
---|
[805] | 904 | TableRow offrow(sel); |
---|
| 905 | const TableRecord& offrec = offrow.get(0);//should only be one row |
---|
| 906 | RORecordFieldPtr< Array<Float> > specoff(offrec, "SPECTRA"); |
---|
| 907 | RORecordFieldPtr< Array<Float> > tsysoff(offrec, "TSYS"); |
---|
| 908 | RORecordFieldPtr< Array<uChar> > flagoff(offrec, "FLAGTRA"); |
---|
| 909 | /// @fixme this assumes tsys is a scalar not vector |
---|
| 910 | Float tsysoffscalar = (*tsysoff)(IPosition(1,0)); |
---|
| 911 | Vector<Float> specon, tsyson; |
---|
| 912 | outtsysCol.get(i, tsyson); |
---|
| 913 | outspecCol.get(i, specon); |
---|
| 914 | Vector<uChar> flagon; |
---|
| 915 | outflagCol.get(i, flagon); |
---|
| 916 | MaskedArray<Float> mon = maskedArray(specon, flagon); |
---|
| 917 | MaskedArray<Float> moff = maskedArray(*specoff, *flagoff); |
---|
| 918 | MaskedArray<Float> quot = (tsysoffscalar * mon / moff); |
---|
| 919 | if (preserve) { |
---|
| 920 | quot -= tsysoffscalar; |
---|
| 921 | } else { |
---|
| 922 | quot -= tsyson[0]; |
---|
[701] | 923 | } |
---|
[805] | 924 | outspecCol.put(i, quot.getArray()); |
---|
| 925 | outflagCol.put(i, flagsFromMA(quot)); |
---|
| 926 | } |
---|
[926] | 927 | // renumber scanno |
---|
| 928 | TableIterator it(tout, "SCANNO"); |
---|
| 929 | uInt i = 0; |
---|
| 930 | while ( !it.pastEnd() ) { |
---|
| 931 | Table t = it.table(); |
---|
| 932 | TableVector<uInt> vec(t, "SCANNO"); |
---|
| 933 | vec = i; |
---|
| 934 | ++i; |
---|
| 935 | ++it; |
---|
| 936 | } |
---|
[805] | 937 | return out; |
---|
| 938 | } |
---|
[234] | 939 | |
---|
[1066] | 940 | |
---|
| 941 | CountedPtr< Scantable > STMath::quotient( const CountedPtr< Scantable > & on, |
---|
| 942 | const CountedPtr< Scantable > & off, |
---|
| 943 | bool preserve ) |
---|
| 944 | { |
---|
| 945 | bool insitu = insitu_; |
---|
[1069] | 946 | if ( ! on->conformant(*off) ) { |
---|
| 947 | throw(AipsError("'on' and 'off' scantables are not conformant.")); |
---|
| 948 | } |
---|
[1066] | 949 | setInsitu(false); |
---|
| 950 | CountedPtr< Scantable > out = getScantable(on, false); |
---|
| 951 | setInsitu(insitu); |
---|
| 952 | Table& tout = out->table(); |
---|
| 953 | const Table& toff = off->table(); |
---|
| 954 | TableIterator sit(tout, "SCANNO"); |
---|
| 955 | TableIterator s2it(toff, "SCANNO"); |
---|
| 956 | while ( !sit.pastEnd() ) { |
---|
| 957 | Table ton = sit.table(); |
---|
| 958 | TableRow row(ton); |
---|
| 959 | Table t = s2it.table(); |
---|
| 960 | ArrayColumn<Float> outspecCol(ton, "SPECTRA"); |
---|
| 961 | ROArrayColumn<Float> outtsysCol(ton, "TSYS"); |
---|
| 962 | ArrayColumn<uChar> outflagCol(ton, "FLAGTRA"); |
---|
| 963 | for (uInt i=0; i < ton.nrow(); ++i) { |
---|
| 964 | const TableRecord& rec = row.get(i); |
---|
| 965 | Table offsel = t( t.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
| 966 | && t.col("IFNO") == Int(rec.asuInt("IFNO")) |
---|
| 967 | && t.col("POLNO") == Int(rec.asuInt("POLNO")) ); |
---|
[1145] | 968 | if ( offsel.nrow() == 0 ) |
---|
| 969 | throw AipsError("STMath::quotient: no matching off"); |
---|
[1066] | 970 | TableRow offrow(offsel); |
---|
| 971 | const TableRecord& offrec = offrow.get(0);//should be ncycles - take first |
---|
| 972 | RORecordFieldPtr< Array<Float> > specoff(offrec, "SPECTRA"); |
---|
| 973 | RORecordFieldPtr< Array<Float> > tsysoff(offrec, "TSYS"); |
---|
| 974 | RORecordFieldPtr< Array<uChar> > flagoff(offrec, "FLAGTRA"); |
---|
| 975 | Float tsysoffscalar = (*tsysoff)(IPosition(1,0)); |
---|
| 976 | Vector<Float> specon, tsyson; |
---|
| 977 | outtsysCol.get(i, tsyson); |
---|
| 978 | outspecCol.get(i, specon); |
---|
| 979 | Vector<uChar> flagon; |
---|
| 980 | outflagCol.get(i, flagon); |
---|
| 981 | MaskedArray<Float> mon = maskedArray(specon, flagon); |
---|
| 982 | MaskedArray<Float> moff = maskedArray(*specoff, *flagoff); |
---|
| 983 | MaskedArray<Float> quot = (tsysoffscalar * mon / moff); |
---|
| 984 | if (preserve) { |
---|
| 985 | quot -= tsysoffscalar; |
---|
| 986 | } else { |
---|
| 987 | quot -= tsyson[0]; |
---|
| 988 | } |
---|
| 989 | outspecCol.put(i, quot.getArray()); |
---|
| 990 | outflagCol.put(i, flagsFromMA(quot)); |
---|
| 991 | } |
---|
| 992 | ++sit; |
---|
| 993 | ++s2it; |
---|
| 994 | // take the first off for each on scan which doesn't have a |
---|
| 995 | // matching off scan |
---|
| 996 | // non <= noff: matching pairs, non > noff matching pairs then first off |
---|
| 997 | if ( s2it.pastEnd() ) s2it.reset(); |
---|
| 998 | } |
---|
| 999 | return out; |
---|
| 1000 | } |
---|
| 1001 | |
---|
[1391] | 1002 | // dototalpower (migration of GBTIDL procedure dototalpower.pro) |
---|
| 1003 | // calibrate the CAL on-off pair. It calculate Tsys and average CAL on-off subintegrations |
---|
| 1004 | // do it for each cycles in a specific scan. |
---|
| 1005 | CountedPtr< Scantable > STMath::dototalpower( const CountedPtr< Scantable >& calon, |
---|
| 1006 | const CountedPtr< Scantable >& caloff, Float tcal ) |
---|
| 1007 | { |
---|
[2289] | 1008 | if ( ! calon->conformant(*caloff) ) { |
---|
[1391] | 1009 | throw(AipsError("'CAL on' and 'CAL off' scantables are not conformant.")); |
---|
| 1010 | } |
---|
| 1011 | setInsitu(false); |
---|
| 1012 | CountedPtr< Scantable > out = getScantable(caloff, false); |
---|
| 1013 | Table& tout = out->table(); |
---|
| 1014 | const Table& tcon = calon->table(); |
---|
| 1015 | Vector<Float> tcalout; |
---|
[1066] | 1016 | |
---|
[2289] | 1017 | std::map<uInt,uInt> tcalIdToRecNoMap; |
---|
| 1018 | const Table& calOffTcalTable = caloff->tcal().table(); |
---|
| 1019 | { |
---|
| 1020 | ROScalarColumn<uInt> calOffTcalTable_IDcol(calOffTcalTable, "ID"); |
---|
| 1021 | const Vector<uInt> tcalIds(calOffTcalTable_IDcol.getColumn()); |
---|
| 1022 | size_t tcalIdsEnd = tcalIds.nelements(); |
---|
| 1023 | for (uInt i = 0; i < tcalIdsEnd; i++) { |
---|
| 1024 | tcalIdToRecNoMap[tcalIds[i]] = i; |
---|
| 1025 | } |
---|
| 1026 | } |
---|
| 1027 | ROArrayColumn<Float> calOffTcalTable_TCALcol(calOffTcalTable, "TCAL"); |
---|
| 1028 | |
---|
[1391] | 1029 | if ( tout.nrow() != tcon.nrow() ) { |
---|
| 1030 | throw(AipsError("Mismatch in number of rows to form cal on - off pair.")); |
---|
| 1031 | } |
---|
| 1032 | // iteration by scanno or cycle no. |
---|
| 1033 | TableIterator sit(tout, "SCANNO"); |
---|
| 1034 | TableIterator s2it(tcon, "SCANNO"); |
---|
| 1035 | while ( !sit.pastEnd() ) { |
---|
| 1036 | Table toff = sit.table(); |
---|
| 1037 | TableRow row(toff); |
---|
| 1038 | Table t = s2it.table(); |
---|
| 1039 | ScalarColumn<Double> outintCol(toff, "INTERVAL"); |
---|
| 1040 | ArrayColumn<Float> outspecCol(toff, "SPECTRA"); |
---|
| 1041 | ArrayColumn<Float> outtsysCol(toff, "TSYS"); |
---|
| 1042 | ArrayColumn<uChar> outflagCol(toff, "FLAGTRA"); |
---|
| 1043 | ROScalarColumn<uInt> outtcalIdCol(toff, "TCAL_ID"); |
---|
| 1044 | ROScalarColumn<uInt> outpolCol(toff, "POLNO"); |
---|
| 1045 | ROScalarColumn<Double> onintCol(t, "INTERVAL"); |
---|
| 1046 | ROArrayColumn<Float> onspecCol(t, "SPECTRA"); |
---|
| 1047 | ROArrayColumn<Float> ontsysCol(t, "TSYS"); |
---|
| 1048 | ROArrayColumn<uChar> onflagCol(t, "FLAGTRA"); |
---|
| 1049 | //ROScalarColumn<uInt> ontcalIdCol(t, "TCAL_ID"); |
---|
| 1050 | |
---|
| 1051 | for (uInt i=0; i < toff.nrow(); ++i) { |
---|
| 1052 | //skip these checks -> assumes the data order are the same between the cal on off pairs |
---|
| 1053 | // |
---|
| 1054 | Vector<Float> specCalon, specCaloff; |
---|
| 1055 | // to store scalar (mean) tsys |
---|
| 1056 | Vector<Float> tsysout(1); |
---|
| 1057 | uInt tcalId, polno; |
---|
| 1058 | Double offint, onint; |
---|
| 1059 | outpolCol.get(i, polno); |
---|
| 1060 | outspecCol.get(i, specCaloff); |
---|
| 1061 | onspecCol.get(i, specCalon); |
---|
| 1062 | Vector<uChar> flagCaloff, flagCalon; |
---|
| 1063 | outflagCol.get(i, flagCaloff); |
---|
| 1064 | onflagCol.get(i, flagCalon); |
---|
| 1065 | outtcalIdCol.get(i, tcalId); |
---|
| 1066 | outintCol.get(i, offint); |
---|
| 1067 | onintCol.get(i, onint); |
---|
| 1068 | // caluculate mean Tsys |
---|
| 1069 | uInt nchan = specCaloff.nelements(); |
---|
| 1070 | // percentage of edge cut off |
---|
| 1071 | uInt pc = 10; |
---|
| 1072 | uInt bchan = nchan/pc; |
---|
| 1073 | uInt echan = nchan-bchan; |
---|
| 1074 | |
---|
| 1075 | Slicer chansl(IPosition(1,bchan-1), IPosition(1,echan-1), IPosition(1,1),Slicer::endIsLast); |
---|
| 1076 | Vector<Float> testsubsp = specCaloff(chansl); |
---|
| 1077 | MaskedArray<Float> spoff = maskedArray( specCaloff(chansl),flagCaloff(chansl) ); |
---|
| 1078 | MaskedArray<Float> spon = maskedArray( specCalon(chansl),flagCalon(chansl) ); |
---|
| 1079 | MaskedArray<Float> spdiff = spon-spoff; |
---|
| 1080 | uInt noff = spoff.nelementsValid(); |
---|
| 1081 | //uInt non = spon.nelementsValid(); |
---|
| 1082 | uInt ndiff = spdiff.nelementsValid(); |
---|
| 1083 | Float meantsys; |
---|
| 1084 | |
---|
| 1085 | /** |
---|
| 1086 | Double subspec, subdiff; |
---|
| 1087 | uInt usednchan; |
---|
| 1088 | subspec = 0; |
---|
| 1089 | subdiff = 0; |
---|
| 1090 | usednchan = 0; |
---|
| 1091 | for(uInt k=(bchan-1); k<echan; k++) { |
---|
| 1092 | subspec += specCaloff[k]; |
---|
| 1093 | subdiff += static_cast<Double>(specCalon[k]-specCaloff[k]); |
---|
| 1094 | ++usednchan; |
---|
| 1095 | } |
---|
| 1096 | **/ |
---|
| 1097 | // get tcal if input tcal <= 0 |
---|
| 1098 | Float tcalUsed; |
---|
| 1099 | tcalUsed = tcal; |
---|
| 1100 | if ( tcal <= 0.0 ) { |
---|
[2289] | 1101 | uInt tcalRecNo = tcalIdToRecNoMap[tcalId]; |
---|
| 1102 | calOffTcalTable_TCALcol.get(tcalRecNo, tcalout); |
---|
[2004] | 1103 | // if (polno<=3) { |
---|
| 1104 | // tcalUsed = tcalout[polno]; |
---|
| 1105 | // } |
---|
| 1106 | // else { |
---|
| 1107 | // tcalUsed = tcalout[0]; |
---|
| 1108 | // } |
---|
| 1109 | if ( tcalout.size() == 1 ) |
---|
| 1110 | tcalUsed = tcalout[0] ; |
---|
| 1111 | else if ( tcalout.size() == nchan ) |
---|
| 1112 | tcalUsed = mean(tcalout) ; |
---|
[1391] | 1113 | else { |
---|
[2004] | 1114 | uInt ipol = polno ; |
---|
| 1115 | if ( ipol > 3 ) ipol = 0 ; |
---|
| 1116 | tcalUsed = tcalout[ipol] ; |
---|
[1391] | 1117 | } |
---|
| 1118 | } |
---|
| 1119 | |
---|
| 1120 | Float meanoff; |
---|
| 1121 | Float meandiff; |
---|
| 1122 | if (noff && ndiff) { |
---|
| 1123 | //Debug |
---|
| 1124 | //if(noff!=ndiff) cerr<<"noff and ndiff is not equal"<<endl; |
---|
[1819] | 1125 | //LogIO os( LogOrigin( "STMath", "dototalpower()", WHERE ) ) ; |
---|
| 1126 | //if(noff!=ndiff) os<<"noff and ndiff is not equal"<<LogIO::POST; |
---|
[1391] | 1127 | meanoff = sum(spoff)/noff; |
---|
| 1128 | meandiff = sum(spdiff)/ndiff; |
---|
| 1129 | meantsys= (meanoff/meandiff )*tcalUsed + tcalUsed/2; |
---|
| 1130 | } |
---|
| 1131 | else { |
---|
| 1132 | meantsys=1; |
---|
| 1133 | } |
---|
| 1134 | |
---|
| 1135 | tsysout[0] = Float(meantsys); |
---|
| 1136 | MaskedArray<Float> mcaloff = maskedArray(specCaloff, flagCaloff); |
---|
| 1137 | MaskedArray<Float> mcalon = maskedArray(specCalon, flagCalon); |
---|
| 1138 | MaskedArray<Float> sig = Float(0.5) * (mcaloff + mcalon); |
---|
| 1139 | //uInt ncaloff = mcaloff.nelementsValid(); |
---|
| 1140 | //uInt ncalon = mcalon.nelementsValid(); |
---|
| 1141 | |
---|
| 1142 | outintCol.put(i, offint+onint); |
---|
| 1143 | outspecCol.put(i, sig.getArray()); |
---|
| 1144 | outflagCol.put(i, flagsFromMA(sig)); |
---|
| 1145 | outtsysCol.put(i, tsysout); |
---|
| 1146 | } |
---|
| 1147 | ++sit; |
---|
| 1148 | ++s2it; |
---|
| 1149 | } |
---|
| 1150 | return out; |
---|
| 1151 | } |
---|
| 1152 | |
---|
| 1153 | //dosigref - migrated from GBT IDL's dosigref.pro, do calibration of position switch |
---|
| 1154 | // observatiions. |
---|
| 1155 | // input: sig and ref scantables, and an optional boxcar smoothing width(default width=0, |
---|
| 1156 | // no smoothing). |
---|
| 1157 | // output: resultant scantable [= (sig-ref/ref)*tsys] |
---|
| 1158 | CountedPtr< Scantable > STMath::dosigref( const CountedPtr < Scantable >& sig, |
---|
| 1159 | const CountedPtr < Scantable >& ref, |
---|
| 1160 | int smoothref, |
---|
| 1161 | casa::Float tsysv, |
---|
| 1162 | casa::Float tau ) |
---|
| 1163 | { |
---|
| 1164 | if ( ! ref->conformant(*sig) ) { |
---|
| 1165 | throw(AipsError("'sig' and 'ref' scantables are not conformant.")); |
---|
| 1166 | } |
---|
| 1167 | setInsitu(false); |
---|
| 1168 | CountedPtr< Scantable > out = getScantable(sig, false); |
---|
| 1169 | CountedPtr< Scantable > smref; |
---|
| 1170 | if ( smoothref > 1 ) { |
---|
| 1171 | float fsmoothref = static_cast<float>(smoothref); |
---|
| 1172 | std::string inkernel = "boxcar"; |
---|
| 1173 | smref = smooth(ref, inkernel, fsmoothref ); |
---|
| 1174 | ostringstream oss; |
---|
| 1175 | oss<<"Applied smoothing of "<<fsmoothref<<" on the reference."<<endl; |
---|
| 1176 | pushLog(String(oss)); |
---|
| 1177 | } |
---|
| 1178 | else { |
---|
| 1179 | smref = ref; |
---|
| 1180 | } |
---|
| 1181 | Table& tout = out->table(); |
---|
| 1182 | const Table& tref = smref->table(); |
---|
| 1183 | if ( tout.nrow() != tref.nrow() ) { |
---|
| 1184 | throw(AipsError("Mismatch in number of rows to form on-source and reference pair.")); |
---|
| 1185 | } |
---|
| 1186 | // iteration by scanno? or cycle no. |
---|
| 1187 | TableIterator sit(tout, "SCANNO"); |
---|
| 1188 | TableIterator s2it(tref, "SCANNO"); |
---|
| 1189 | while ( !sit.pastEnd() ) { |
---|
| 1190 | Table ton = sit.table(); |
---|
| 1191 | Table t = s2it.table(); |
---|
| 1192 | ScalarColumn<Double> outintCol(ton, "INTERVAL"); |
---|
| 1193 | ArrayColumn<Float> outspecCol(ton, "SPECTRA"); |
---|
| 1194 | ArrayColumn<Float> outtsysCol(ton, "TSYS"); |
---|
| 1195 | ArrayColumn<uChar> outflagCol(ton, "FLAGTRA"); |
---|
| 1196 | ArrayColumn<Float> refspecCol(t, "SPECTRA"); |
---|
| 1197 | ROScalarColumn<Double> refintCol(t, "INTERVAL"); |
---|
| 1198 | ROArrayColumn<Float> reftsysCol(t, "TSYS"); |
---|
| 1199 | ArrayColumn<uChar> refflagCol(t, "FLAGTRA"); |
---|
| 1200 | ROScalarColumn<Float> refelevCol(t, "ELEVATION"); |
---|
| 1201 | for (uInt i=0; i < ton.nrow(); ++i) { |
---|
| 1202 | |
---|
| 1203 | Double onint, refint; |
---|
| 1204 | Vector<Float> specon, specref; |
---|
| 1205 | // to store scalar (mean) tsys |
---|
| 1206 | Vector<Float> tsysref; |
---|
| 1207 | outintCol.get(i, onint); |
---|
| 1208 | refintCol.get(i, refint); |
---|
| 1209 | outspecCol.get(i, specon); |
---|
| 1210 | refspecCol.get(i, specref); |
---|
| 1211 | Vector<uChar> flagref, flagon; |
---|
| 1212 | outflagCol.get(i, flagon); |
---|
| 1213 | refflagCol.get(i, flagref); |
---|
| 1214 | reftsysCol.get(i, tsysref); |
---|
| 1215 | |
---|
| 1216 | Float tsysrefscalar; |
---|
| 1217 | if ( tsysv > 0.0 ) { |
---|
| 1218 | ostringstream oss; |
---|
| 1219 | Float elev; |
---|
| 1220 | refelevCol.get(i, elev); |
---|
| 1221 | oss << "user specified Tsys = " << tsysv; |
---|
| 1222 | // do recalc elevation if EL = 0 |
---|
| 1223 | if ( elev == 0 ) { |
---|
| 1224 | throw(AipsError("EL=0, elevation data is missing.")); |
---|
| 1225 | } else { |
---|
| 1226 | if ( tau <= 0.0 ) { |
---|
| 1227 | throw(AipsError("Valid tau is not supplied.")); |
---|
| 1228 | } else { |
---|
| 1229 | tsysrefscalar = tsysv * exp(tau/elev); |
---|
| 1230 | } |
---|
| 1231 | } |
---|
| 1232 | oss << ", corrected (for El) tsys= "<<tsysrefscalar; |
---|
| 1233 | pushLog(String(oss)); |
---|
| 1234 | } |
---|
| 1235 | else { |
---|
| 1236 | tsysrefscalar = tsysref[0]; |
---|
| 1237 | } |
---|
| 1238 | //get quotient spectrum |
---|
| 1239 | MaskedArray<Float> mref = maskedArray(specref, flagref); |
---|
| 1240 | MaskedArray<Float> mon = maskedArray(specon, flagon); |
---|
| 1241 | MaskedArray<Float> specres = tsysrefscalar*((mon - mref)/mref); |
---|
| 1242 | Double resint = onint*refint*smoothref/(onint+refint*smoothref); |
---|
| 1243 | |
---|
| 1244 | //Debug |
---|
| 1245 | //cerr<<"Tsys used="<<tsysrefscalar<<endl; |
---|
[1819] | 1246 | //LogIO os( LogOrigin( "STMath", "dosigref", WHERE ) ) ; |
---|
| 1247 | //os<<"Tsys used="<<tsysrefscalar<<LogIO::POST; |
---|
[1391] | 1248 | // fill the result, replay signal tsys by reference tsys |
---|
| 1249 | outintCol.put(i, resint); |
---|
| 1250 | outspecCol.put(i, specres.getArray()); |
---|
| 1251 | outflagCol.put(i, flagsFromMA(specres)); |
---|
| 1252 | outtsysCol.put(i, tsysref); |
---|
| 1253 | } |
---|
| 1254 | ++sit; |
---|
| 1255 | ++s2it; |
---|
| 1256 | } |
---|
| 1257 | return out; |
---|
| 1258 | } |
---|
| 1259 | |
---|
| 1260 | CountedPtr< Scantable > STMath::donod(const casa::CountedPtr<Scantable>& s, |
---|
| 1261 | const std::vector<int>& scans, |
---|
| 1262 | int smoothref, |
---|
| 1263 | casa::Float tsysv, |
---|
| 1264 | casa::Float tau, |
---|
| 1265 | casa::Float tcal ) |
---|
| 1266 | |
---|
| 1267 | { |
---|
| 1268 | setInsitu(false); |
---|
| 1269 | STSelector sel; |
---|
[1819] | 1270 | std::vector<int> scan1, scan2, beams, types; |
---|
[1391] | 1271 | std::vector< vector<int> > scanpair; |
---|
[1819] | 1272 | //std::vector<string> calstate; |
---|
| 1273 | std::vector<int> calstate; |
---|
[1391] | 1274 | String msg; |
---|
| 1275 | |
---|
| 1276 | CountedPtr< Scantable > s1b1on, s1b1off, s1b2on, s1b2off; |
---|
| 1277 | CountedPtr< Scantable > s2b1on, s2b1off, s2b2on, s2b2off; |
---|
| 1278 | |
---|
| 1279 | std::vector< CountedPtr< Scantable > > sctables; |
---|
| 1280 | sctables.push_back(s1b1on); |
---|
| 1281 | sctables.push_back(s1b1off); |
---|
| 1282 | sctables.push_back(s1b2on); |
---|
| 1283 | sctables.push_back(s1b2off); |
---|
| 1284 | sctables.push_back(s2b1on); |
---|
| 1285 | sctables.push_back(s2b1off); |
---|
| 1286 | sctables.push_back(s2b2on); |
---|
| 1287 | sctables.push_back(s2b2off); |
---|
| 1288 | |
---|
| 1289 | //check scanlist |
---|
| 1290 | int n=s->checkScanInfo(scans); |
---|
| 1291 | if (n==1) { |
---|
| 1292 | throw(AipsError("Incorrect scan pairs. ")); |
---|
| 1293 | } |
---|
| 1294 | |
---|
| 1295 | // Assume scans contain only a pair of consecutive scan numbers. |
---|
| 1296 | // It is assumed that first beam, b1, is on target. |
---|
| 1297 | // There is no check if the first beam is on or not. |
---|
| 1298 | if ( scans.size()==1 ) { |
---|
| 1299 | scan1.push_back(scans[0]); |
---|
| 1300 | scan2.push_back(scans[0]+1); |
---|
| 1301 | } else if ( scans.size()==2 ) { |
---|
| 1302 | scan1.push_back(scans[0]); |
---|
| 1303 | scan2.push_back(scans[1]); |
---|
| 1304 | } else { |
---|
| 1305 | if ( scans.size()%2 == 0 ) { |
---|
| 1306 | for (uInt i=0; i<scans.size(); i++) { |
---|
| 1307 | if (i%2 == 0) { |
---|
| 1308 | scan1.push_back(scans[i]); |
---|
| 1309 | } |
---|
| 1310 | else { |
---|
| 1311 | scan2.push_back(scans[i]); |
---|
| 1312 | } |
---|
| 1313 | } |
---|
| 1314 | } else { |
---|
| 1315 | throw(AipsError("Odd numbers of scans, cannot form pairs.")); |
---|
| 1316 | } |
---|
| 1317 | } |
---|
| 1318 | scanpair.push_back(scan1); |
---|
| 1319 | scanpair.push_back(scan2); |
---|
[1819] | 1320 | //calstate.push_back("*calon"); |
---|
| 1321 | //calstate.push_back("*[^calon]"); |
---|
| 1322 | calstate.push_back(SrcType::NODCAL); |
---|
| 1323 | calstate.push_back(SrcType::NOD); |
---|
[1391] | 1324 | CountedPtr< Scantable > ws = getScantable(s, false); |
---|
| 1325 | uInt l=0; |
---|
| 1326 | while ( l < sctables.size() ) { |
---|
| 1327 | for (uInt i=0; i < 2; i++) { |
---|
| 1328 | for (uInt j=0; j < 2; j++) { |
---|
| 1329 | for (uInt k=0; k < 2; k++) { |
---|
| 1330 | sel.reset(); |
---|
| 1331 | sel.setScans(scanpair[i]); |
---|
[1819] | 1332 | //sel.setName(calstate[k]); |
---|
| 1333 | types.clear(); |
---|
| 1334 | types.push_back(calstate[k]); |
---|
| 1335 | sel.setTypes(types); |
---|
[1391] | 1336 | beams.clear(); |
---|
| 1337 | beams.push_back(j); |
---|
| 1338 | sel.setBeams(beams); |
---|
| 1339 | ws->setSelection(sel); |
---|
| 1340 | sctables[l]= getScantable(ws, false); |
---|
| 1341 | l++; |
---|
| 1342 | } |
---|
| 1343 | } |
---|
| 1344 | } |
---|
| 1345 | } |
---|
| 1346 | |
---|
| 1347 | // replace here by splitData or getData functionality |
---|
| 1348 | CountedPtr< Scantable > sig1; |
---|
| 1349 | CountedPtr< Scantable > ref1; |
---|
| 1350 | CountedPtr< Scantable > sig2; |
---|
| 1351 | CountedPtr< Scantable > ref2; |
---|
| 1352 | CountedPtr< Scantable > calb1; |
---|
| 1353 | CountedPtr< Scantable > calb2; |
---|
| 1354 | |
---|
| 1355 | msg=String("Processing dototalpower for subset of the data"); |
---|
| 1356 | ostringstream oss1; |
---|
| 1357 | oss1 << msg << endl; |
---|
| 1358 | pushLog(String(oss1)); |
---|
| 1359 | // Debug for IRC CS data |
---|
| 1360 | //float tcal1=7.0; |
---|
| 1361 | //float tcal2=4.0; |
---|
| 1362 | sig1 = dototalpower(sctables[0], sctables[1], tcal=tcal); |
---|
| 1363 | ref1 = dototalpower(sctables[2], sctables[3], tcal=tcal); |
---|
| 1364 | ref2 = dototalpower(sctables[4], sctables[5], tcal=tcal); |
---|
| 1365 | sig2 = dototalpower(sctables[6], sctables[7], tcal=tcal); |
---|
| 1366 | |
---|
| 1367 | // correction of user-specified tsys for elevation here |
---|
| 1368 | |
---|
| 1369 | // dosigref calibration |
---|
| 1370 | msg=String("Processing dosigref for subset of the data"); |
---|
| 1371 | ostringstream oss2; |
---|
| 1372 | oss2 << msg << endl; |
---|
| 1373 | pushLog(String(oss2)); |
---|
| 1374 | calb1=dosigref(sig1,ref2,smoothref,tsysv,tau); |
---|
| 1375 | calb2=dosigref(sig2,ref1,smoothref,tsysv,tau); |
---|
| 1376 | |
---|
| 1377 | // iteration by scanno or cycle no. |
---|
| 1378 | Table& tcalb1 = calb1->table(); |
---|
| 1379 | Table& tcalb2 = calb2->table(); |
---|
| 1380 | TableIterator sit(tcalb1, "SCANNO"); |
---|
| 1381 | TableIterator s2it(tcalb2, "SCANNO"); |
---|
| 1382 | while ( !sit.pastEnd() ) { |
---|
| 1383 | Table t1 = sit.table(); |
---|
| 1384 | Table t2= s2it.table(); |
---|
| 1385 | ArrayColumn<Float> outspecCol(t1, "SPECTRA"); |
---|
| 1386 | ArrayColumn<Float> outtsysCol(t1, "TSYS"); |
---|
| 1387 | ArrayColumn<uChar> outflagCol(t1, "FLAGTRA"); |
---|
| 1388 | ScalarColumn<Double> outintCol(t1, "INTERVAL"); |
---|
| 1389 | ArrayColumn<Float> t2specCol(t2, "SPECTRA"); |
---|
| 1390 | ROArrayColumn<Float> t2tsysCol(t2, "TSYS"); |
---|
| 1391 | ArrayColumn<uChar> t2flagCol(t2, "FLAGTRA"); |
---|
| 1392 | ROScalarColumn<Double> t2intCol(t2, "INTERVAL"); |
---|
| 1393 | for (uInt i=0; i < t1.nrow(); ++i) { |
---|
| 1394 | Vector<Float> spec1, spec2; |
---|
| 1395 | // to store scalar (mean) tsys |
---|
| 1396 | Vector<Float> tsys1, tsys2; |
---|
| 1397 | Vector<uChar> flag1, flag2; |
---|
| 1398 | Double tint1, tint2; |
---|
| 1399 | outspecCol.get(i, spec1); |
---|
| 1400 | t2specCol.get(i, spec2); |
---|
| 1401 | outflagCol.get(i, flag1); |
---|
| 1402 | t2flagCol.get(i, flag2); |
---|
| 1403 | outtsysCol.get(i, tsys1); |
---|
| 1404 | t2tsysCol.get(i, tsys2); |
---|
| 1405 | outintCol.get(i, tint1); |
---|
| 1406 | t2intCol.get(i, tint2); |
---|
| 1407 | // average |
---|
| 1408 | // assume scalar tsys for weights |
---|
| 1409 | Float wt1, wt2, tsyssq1, tsyssq2; |
---|
| 1410 | tsyssq1 = tsys1[0]*tsys1[0]; |
---|
| 1411 | tsyssq2 = tsys2[0]*tsys2[0]; |
---|
| 1412 | wt1 = Float(tint1)/tsyssq1; |
---|
| 1413 | wt2 = Float(tint2)/tsyssq2; |
---|
| 1414 | Float invsumwt=1/(wt1+wt2); |
---|
| 1415 | MaskedArray<Float> mspec1 = maskedArray(spec1, flag1); |
---|
| 1416 | MaskedArray<Float> mspec2 = maskedArray(spec2, flag2); |
---|
| 1417 | MaskedArray<Float> avspec = invsumwt * (wt1*mspec1 + wt2*mspec2); |
---|
| 1418 | //Array<Float> avtsys = Float(0.5) * (tsys1 + tsys2); |
---|
| 1419 | // cerr<< "Tsys1="<<tsys1<<" Tsys2="<<tsys2<<endl; |
---|
[1819] | 1420 | // LogIO os( LogOrigin( "STMath", "donod", WHERE ) ) ; |
---|
| 1421 | // os<< "Tsys1="<<tsys1<<" Tsys2="<<tsys2<<LogIO::POST; |
---|
[1391] | 1422 | tsys1[0] = sqrt(tsyssq1 + tsyssq2); |
---|
| 1423 | Array<Float> avtsys = tsys1; |
---|
| 1424 | |
---|
| 1425 | outspecCol.put(i, avspec.getArray()); |
---|
| 1426 | outflagCol.put(i, flagsFromMA(avspec)); |
---|
| 1427 | outtsysCol.put(i, avtsys); |
---|
| 1428 | } |
---|
| 1429 | ++sit; |
---|
| 1430 | ++s2it; |
---|
| 1431 | } |
---|
| 1432 | return calb1; |
---|
| 1433 | } |
---|
| 1434 | |
---|
| 1435 | //GBTIDL version of frequency switched data calibration |
---|
| 1436 | CountedPtr< Scantable > STMath::dofs( const CountedPtr< Scantable >& s, |
---|
| 1437 | const std::vector<int>& scans, |
---|
| 1438 | int smoothref, |
---|
| 1439 | casa::Float tsysv, |
---|
| 1440 | casa::Float tau, |
---|
| 1441 | casa::Float tcal ) |
---|
| 1442 | { |
---|
| 1443 | |
---|
| 1444 | |
---|
[2163] | 1445 | (void) scans; //currently unused |
---|
[1391] | 1446 | STSelector sel; |
---|
| 1447 | CountedPtr< Scantable > ws = getScantable(s, false); |
---|
| 1448 | CountedPtr< Scantable > sig, sigwcal, ref, refwcal; |
---|
[1819] | 1449 | CountedPtr< Scantable > calsig, calref, out, out1, out2; |
---|
| 1450 | Bool nofold=False; |
---|
| 1451 | vector<int> types ; |
---|
[1391] | 1452 | |
---|
| 1453 | //split the data |
---|
[1819] | 1454 | //sel.setName("*_fs"); |
---|
| 1455 | types.push_back( SrcType::FSON ) ; |
---|
| 1456 | sel.setTypes( types ) ; |
---|
[1391] | 1457 | ws->setSelection(sel); |
---|
| 1458 | sig = getScantable(ws,false); |
---|
| 1459 | sel.reset(); |
---|
[1819] | 1460 | types.clear() ; |
---|
| 1461 | //sel.setName("*_fs_calon"); |
---|
| 1462 | types.push_back( SrcType::FONCAL ) ; |
---|
| 1463 | sel.setTypes( types ) ; |
---|
[1391] | 1464 | ws->setSelection(sel); |
---|
| 1465 | sigwcal = getScantable(ws,false); |
---|
| 1466 | sel.reset(); |
---|
[1819] | 1467 | types.clear() ; |
---|
| 1468 | //sel.setName("*_fsr"); |
---|
| 1469 | types.push_back( SrcType::FSOFF ) ; |
---|
| 1470 | sel.setTypes( types ) ; |
---|
[1391] | 1471 | ws->setSelection(sel); |
---|
| 1472 | ref = getScantable(ws,false); |
---|
| 1473 | sel.reset(); |
---|
[1819] | 1474 | types.clear() ; |
---|
| 1475 | //sel.setName("*_fsr_calon"); |
---|
| 1476 | types.push_back( SrcType::FOFFCAL ) ; |
---|
| 1477 | sel.setTypes( types ) ; |
---|
[1391] | 1478 | ws->setSelection(sel); |
---|
| 1479 | refwcal = getScantable(ws,false); |
---|
[1819] | 1480 | sel.reset() ; |
---|
| 1481 | types.clear() ; |
---|
[1391] | 1482 | |
---|
| 1483 | calsig = dototalpower(sigwcal, sig, tcal=tcal); |
---|
| 1484 | calref = dototalpower(refwcal, ref, tcal=tcal); |
---|
| 1485 | |
---|
[1819] | 1486 | out1=dosigref(calsig,calref,smoothref,tsysv,tau); |
---|
| 1487 | out2=dosigref(calref,calsig,smoothref,tsysv,tau); |
---|
[1391] | 1488 | |
---|
[1819] | 1489 | Table& tabout1=out1->table(); |
---|
| 1490 | Table& tabout2=out2->table(); |
---|
| 1491 | ROScalarColumn<uInt> freqidCol1(tabout1, "FREQ_ID"); |
---|
| 1492 | ScalarColumn<uInt> freqidCol2(tabout2, "FREQ_ID"); |
---|
| 1493 | ROArrayColumn<Float> specCol(tabout2, "SPECTRA"); |
---|
| 1494 | Vector<Float> spec; specCol.get(0, spec); |
---|
| 1495 | uInt nchan = spec.nelements(); |
---|
| 1496 | uInt freqid1; freqidCol1.get(0,freqid1); |
---|
| 1497 | uInt freqid2; freqidCol2.get(0,freqid2); |
---|
| 1498 | Double rp1, rp2, rv1, rv2, inc1, inc2; |
---|
| 1499 | out1->frequencies().getEntry(rp1, rv1, inc1, freqid1); |
---|
| 1500 | out2->frequencies().getEntry(rp2, rv2, inc2, freqid2); |
---|
| 1501 | //cerr << out1->frequencies().table().nrow() << " " << out2->frequencies().table().nrow() << endl ; |
---|
| 1502 | //LogIO os( LogOrigin( "STMath", "dofs()", WHERE ) ) ; |
---|
| 1503 | //os << out1->frequencies().table().nrow() << " " << out2->frequencies().table().nrow() << LogIO::POST ; |
---|
| 1504 | if (rp1==rp2) { |
---|
| 1505 | Double foffset = rv1 - rv2; |
---|
| 1506 | uInt choffset = static_cast<uInt>(foffset/abs(inc2)); |
---|
| 1507 | if (choffset >= nchan) { |
---|
| 1508 | //cerr<<"out-band frequency switching, no folding"<<endl; |
---|
| 1509 | LogIO os( LogOrigin( "STMath", "dofs()", WHERE ) ) ; |
---|
| 1510 | os<<"out-band frequency switching, no folding"<<LogIO::POST; |
---|
| 1511 | nofold = True; |
---|
| 1512 | } |
---|
| 1513 | } |
---|
| 1514 | |
---|
| 1515 | if (nofold) { |
---|
| 1516 | std::vector< CountedPtr< Scantable > > tabs; |
---|
| 1517 | tabs.push_back(out1); |
---|
| 1518 | tabs.push_back(out2); |
---|
| 1519 | out = merge(tabs); |
---|
| 1520 | } |
---|
| 1521 | else { |
---|
| 1522 | //out = out1; |
---|
| 1523 | Double choffset = ( rv1 - rv2 ) / inc2 ; |
---|
| 1524 | out = dofold( out1, out2, choffset ) ; |
---|
| 1525 | } |
---|
| 1526 | |
---|
[1391] | 1527 | return out; |
---|
| 1528 | } |
---|
| 1529 | |
---|
[1819] | 1530 | CountedPtr<Scantable> STMath::dofold( const CountedPtr<Scantable> &sig, |
---|
| 1531 | const CountedPtr<Scantable> &ref, |
---|
| 1532 | Double choffset, |
---|
| 1533 | Double choffset2 ) |
---|
| 1534 | { |
---|
| 1535 | LogIO os( LogOrigin( "STMath", "dofold", WHERE ) ) ; |
---|
| 1536 | os << "choffset=" << choffset << " choffset2=" << choffset2 << LogIO::POST ; |
---|
[1391] | 1537 | |
---|
[1819] | 1538 | // output scantable |
---|
| 1539 | CountedPtr<Scantable> out = getScantable( sig, false ) ; |
---|
| 1540 | |
---|
| 1541 | // separate choffset to integer part and decimal part |
---|
| 1542 | Int ioffset = (Int)choffset ; |
---|
| 1543 | Double doffset = choffset - ioffset ; |
---|
| 1544 | Int ioffset2 = (Int)choffset2 ; |
---|
| 1545 | Double doffset2 = choffset2 - ioffset2 ; |
---|
| 1546 | os << "ioffset=" << ioffset << " doffset=" << doffset << LogIO::POST ; |
---|
| 1547 | os << "ioffset2=" << ioffset2 << " doffset2=" << doffset2 << LogIO::POST ; |
---|
| 1548 | |
---|
| 1549 | // get column |
---|
| 1550 | ROArrayColumn<Float> specCol1( sig->table(), "SPECTRA" ) ; |
---|
| 1551 | ROArrayColumn<Float> specCol2( ref->table(), "SPECTRA" ) ; |
---|
| 1552 | ROArrayColumn<Float> tsysCol1( sig->table(), "TSYS" ) ; |
---|
| 1553 | ROArrayColumn<Float> tsysCol2( ref->table(), "TSYS" ) ; |
---|
| 1554 | ROArrayColumn<uChar> flagCol1( sig->table(), "FLAGTRA" ) ; |
---|
| 1555 | ROArrayColumn<uChar> flagCol2( ref->table(), "FLAGTRA" ) ; |
---|
| 1556 | ROScalarColumn<Double> mjdCol1( sig->table(), "TIME" ) ; |
---|
| 1557 | ROScalarColumn<Double> mjdCol2( ref->table(), "TIME" ) ; |
---|
| 1558 | ROScalarColumn<Double> intervalCol1( sig->table(), "INTERVAL" ) ; |
---|
| 1559 | ROScalarColumn<Double> intervalCol2( ref->table(), "INTERVAL" ) ; |
---|
| 1560 | |
---|
| 1561 | // check |
---|
| 1562 | if ( ioffset == 0 ) { |
---|
| 1563 | LogIO os( LogOrigin( "STMath", "dofold()", WHERE ) ) ; |
---|
| 1564 | os << "channel offset is zero, no folding" << LogIO::POST ; |
---|
| 1565 | return out ; |
---|
| 1566 | } |
---|
| 1567 | int nchan = ref->nchan() ; |
---|
| 1568 | if ( abs(ioffset) >= nchan ) { |
---|
| 1569 | LogIO os( LogOrigin( "STMath", "dofold()", WHERE ) ) ; |
---|
| 1570 | os << "out-band frequency switching, no folding" << LogIO::POST ; |
---|
| 1571 | return out ; |
---|
| 1572 | } |
---|
| 1573 | |
---|
| 1574 | // attach column for output scantable |
---|
| 1575 | ArrayColumn<Float> specColOut( out->table(), "SPECTRA" ) ; |
---|
| 1576 | ArrayColumn<uChar> flagColOut( out->table(), "FLAGTRA" ) ; |
---|
| 1577 | ArrayColumn<Float> tsysColOut( out->table(), "TSYS" ) ; |
---|
| 1578 | ScalarColumn<Double> mjdColOut( out->table(), "TIME" ) ; |
---|
| 1579 | ScalarColumn<Double> intervalColOut( out->table(), "INTERVAL" ) ; |
---|
| 1580 | ScalarColumn<uInt> fidColOut( out->table(), "FREQ_ID" ) ; |
---|
| 1581 | |
---|
| 1582 | // for each row |
---|
| 1583 | // assume that the data order are same between sig and ref |
---|
| 1584 | RowAccumulator acc( asap::W_TINTSYS ) ; |
---|
| 1585 | for ( int i = 0 ; i < sig->nrow() ; i++ ) { |
---|
| 1586 | // get values |
---|
| 1587 | Vector<Float> spsig ; |
---|
| 1588 | specCol1.get( i, spsig ) ; |
---|
| 1589 | Vector<Float> spref ; |
---|
| 1590 | specCol2.get( i, spref ) ; |
---|
| 1591 | Vector<Float> tsyssig ; |
---|
| 1592 | tsysCol1.get( i, tsyssig ) ; |
---|
| 1593 | Vector<Float> tsysref ; |
---|
| 1594 | tsysCol2.get( i, tsysref ) ; |
---|
| 1595 | Vector<uChar> flagsig ; |
---|
| 1596 | flagCol1.get( i, flagsig ) ; |
---|
| 1597 | Vector<uChar> flagref ; |
---|
| 1598 | flagCol2.get( i, flagref ) ; |
---|
| 1599 | Double timesig ; |
---|
| 1600 | mjdCol1.get( i, timesig ) ; |
---|
| 1601 | Double timeref ; |
---|
| 1602 | mjdCol2.get( i, timeref ) ; |
---|
| 1603 | Double intsig ; |
---|
| 1604 | intervalCol1.get( i, intsig ) ; |
---|
| 1605 | Double intref ; |
---|
| 1606 | intervalCol2.get( i, intref ) ; |
---|
| 1607 | |
---|
| 1608 | // shift reference spectra |
---|
| 1609 | int refchan = spref.nelements() ; |
---|
| 1610 | Vector<Float> sspref( spref.nelements() ) ; |
---|
| 1611 | Vector<Float> stsysref( tsysref.nelements() ) ; |
---|
| 1612 | Vector<uChar> sflagref( flagref.nelements() ) ; |
---|
| 1613 | if ( ioffset > 0 ) { |
---|
| 1614 | // SPECTRA and FLAGTRA |
---|
| 1615 | for ( int j = 0 ; j < refchan-ioffset ; j++ ) { |
---|
| 1616 | sspref[j] = spref[j+ioffset] ; |
---|
| 1617 | sflagref[j] = flagref[j+ioffset] ; |
---|
| 1618 | } |
---|
| 1619 | for ( int j = refchan-ioffset ; j < refchan ; j++ ) { |
---|
| 1620 | sspref[j] = spref[j-refchan+ioffset] ; |
---|
| 1621 | sflagref[j] = flagref[j-refchan+ioffset] ; |
---|
| 1622 | } |
---|
| 1623 | spref = sspref.copy() ; |
---|
| 1624 | flagref = sflagref.copy() ; |
---|
| 1625 | for ( int j = 0 ; j < refchan - 1 ; j++ ) { |
---|
| 1626 | sspref[j] = doffset * spref[j+1] + ( 1.0 - doffset ) * spref[j] ; |
---|
| 1627 | sflagref[j] = flagref[j+1] + flagref[j] ; |
---|
| 1628 | } |
---|
| 1629 | sspref[refchan-1] = doffset * spref[0] + ( 1.0 - doffset ) * spref[refchan-1] ; |
---|
| 1630 | sflagref[refchan-1] = flagref[0] + flagref[refchan-1] ; |
---|
| 1631 | |
---|
| 1632 | // TSYS |
---|
| 1633 | if ( spref.nelements() == tsysref.nelements() ) { |
---|
| 1634 | for ( int j = 0 ; j < refchan-ioffset ; j++ ) { |
---|
| 1635 | stsysref[j] = tsysref[j+ioffset] ; |
---|
| 1636 | } |
---|
| 1637 | for ( int j = refchan-ioffset ; j < refchan ; j++ ) { |
---|
| 1638 | stsysref[j] = tsysref[j-refchan+ioffset] ; |
---|
| 1639 | } |
---|
| 1640 | tsysref = stsysref.copy() ; |
---|
| 1641 | for ( int j = 0 ; j < refchan - 1 ; j++ ) { |
---|
| 1642 | stsysref[j] = doffset * tsysref[j+1] + ( 1.0 - doffset ) * tsysref[j] ; |
---|
| 1643 | } |
---|
| 1644 | stsysref[refchan-1] = doffset * tsysref[0] + ( 1.0 - doffset ) * tsysref[refchan-1] ; |
---|
| 1645 | } |
---|
| 1646 | } |
---|
| 1647 | else { |
---|
| 1648 | // SPECTRA and FLAGTRA |
---|
| 1649 | for ( int j = 0 ; j < abs(ioffset) ; j++ ) { |
---|
| 1650 | sspref[j] = spref[refchan+ioffset+j] ; |
---|
| 1651 | sflagref[j] = flagref[refchan+ioffset+j] ; |
---|
| 1652 | } |
---|
| 1653 | for ( int j = abs(ioffset) ; j < refchan ; j++ ) { |
---|
| 1654 | sspref[j] = spref[j+ioffset] ; |
---|
| 1655 | sflagref[j] = flagref[j+ioffset] ; |
---|
| 1656 | } |
---|
| 1657 | spref = sspref.copy() ; |
---|
| 1658 | flagref = sflagref.copy() ; |
---|
| 1659 | sspref[0] = doffset * spref[refchan-1] + ( 1.0 - doffset ) * spref[0] ; |
---|
| 1660 | sflagref[0] = flagref[0] + flagref[refchan-1] ; |
---|
| 1661 | for ( int j = 1 ; j < refchan ; j++ ) { |
---|
| 1662 | sspref[j] = doffset * spref[j-1] + ( 1.0 - doffset ) * spref[j] ; |
---|
| 1663 | sflagref[j] = flagref[j-1] + flagref[j] ; |
---|
| 1664 | } |
---|
| 1665 | // TSYS |
---|
| 1666 | if ( spref.nelements() == tsysref.nelements() ) { |
---|
| 1667 | for ( int j = 0 ; j < abs(ioffset) ; j++ ) { |
---|
| 1668 | stsysref[j] = tsysref[refchan+ioffset+j] ; |
---|
| 1669 | } |
---|
| 1670 | for ( int j = abs(ioffset) ; j < refchan ; j++ ) { |
---|
| 1671 | stsysref[j] = tsysref[j+ioffset] ; |
---|
| 1672 | } |
---|
| 1673 | tsysref = stsysref.copy() ; |
---|
| 1674 | stsysref[0] = doffset * tsysref[refchan-1] + ( 1.0 - doffset ) * tsysref[0] ; |
---|
| 1675 | for ( int j = 1 ; j < refchan ; j++ ) { |
---|
| 1676 | stsysref[j] = doffset * tsysref[j-1] + ( 1.0 - doffset ) * tsysref[j] ; |
---|
| 1677 | } |
---|
| 1678 | } |
---|
| 1679 | } |
---|
| 1680 | |
---|
| 1681 | // shift signal spectra if necessary (only for APEX?) |
---|
| 1682 | if ( choffset2 != 0.0 ) { |
---|
| 1683 | int sigchan = spsig.nelements() ; |
---|
| 1684 | Vector<Float> sspsig( spsig.nelements() ) ; |
---|
| 1685 | Vector<Float> stsyssig( tsyssig.nelements() ) ; |
---|
| 1686 | Vector<uChar> sflagsig( flagsig.nelements() ) ; |
---|
| 1687 | if ( ioffset2 > 0 ) { |
---|
| 1688 | // SPECTRA and FLAGTRA |
---|
| 1689 | for ( int j = 0 ; j < sigchan-ioffset2 ; j++ ) { |
---|
| 1690 | sspsig[j] = spsig[j+ioffset2] ; |
---|
| 1691 | sflagsig[j] = flagsig[j+ioffset2] ; |
---|
| 1692 | } |
---|
| 1693 | for ( int j = sigchan-ioffset2 ; j < sigchan ; j++ ) { |
---|
| 1694 | sspsig[j] = spsig[j-sigchan+ioffset2] ; |
---|
| 1695 | sflagsig[j] = flagsig[j-sigchan+ioffset2] ; |
---|
| 1696 | } |
---|
| 1697 | spsig = sspsig.copy() ; |
---|
| 1698 | flagsig = sflagsig.copy() ; |
---|
| 1699 | for ( int j = 0 ; j < sigchan - 1 ; j++ ) { |
---|
| 1700 | sspsig[j] = doffset2 * spsig[j+1] + ( 1.0 - doffset2 ) * spsig[j] ; |
---|
| 1701 | sflagsig[j] = flagsig[j+1] || flagsig[j] ; |
---|
| 1702 | } |
---|
| 1703 | sspsig[sigchan-1] = doffset2 * spsig[0] + ( 1.0 - doffset2 ) * spsig[sigchan-1] ; |
---|
| 1704 | sflagsig[sigchan-1] = flagsig[0] || flagsig[sigchan-1] ; |
---|
| 1705 | // TSTS |
---|
| 1706 | if ( spsig.nelements() == tsyssig.nelements() ) { |
---|
| 1707 | for ( int j = 0 ; j < sigchan-ioffset2 ; j++ ) { |
---|
| 1708 | stsyssig[j] = tsyssig[j+ioffset2] ; |
---|
| 1709 | } |
---|
| 1710 | for ( int j = sigchan-ioffset2 ; j < sigchan ; j++ ) { |
---|
| 1711 | stsyssig[j] = tsyssig[j-sigchan+ioffset2] ; |
---|
| 1712 | } |
---|
| 1713 | tsyssig = stsyssig.copy() ; |
---|
| 1714 | for ( int j = 0 ; j < sigchan - 1 ; j++ ) { |
---|
| 1715 | stsyssig[j] = doffset2 * tsyssig[j+1] + ( 1.0 - doffset2 ) * tsyssig[j] ; |
---|
| 1716 | } |
---|
| 1717 | stsyssig[sigchan-1] = doffset2 * tsyssig[0] + ( 1.0 - doffset2 ) * tsyssig[sigchan-1] ; |
---|
| 1718 | } |
---|
| 1719 | } |
---|
| 1720 | else { |
---|
| 1721 | // SPECTRA and FLAGTRA |
---|
| 1722 | for ( int j = 0 ; j < abs(ioffset2) ; j++ ) { |
---|
| 1723 | sspsig[j] = spsig[sigchan+ioffset2+j] ; |
---|
| 1724 | sflagsig[j] = flagsig[sigchan+ioffset2+j] ; |
---|
| 1725 | } |
---|
| 1726 | for ( int j = abs(ioffset2) ; j < sigchan ; j++ ) { |
---|
| 1727 | sspsig[j] = spsig[j+ioffset2] ; |
---|
| 1728 | sflagsig[j] = flagsig[j+ioffset2] ; |
---|
| 1729 | } |
---|
| 1730 | spsig = sspsig.copy() ; |
---|
| 1731 | flagsig = sflagsig.copy() ; |
---|
| 1732 | sspsig[0] = doffset2 * spsig[sigchan-1] + ( 1.0 - doffset2 ) * spsig[0] ; |
---|
| 1733 | sflagsig[0] = flagsig[0] + flagsig[sigchan-1] ; |
---|
| 1734 | for ( int j = 1 ; j < sigchan ; j++ ) { |
---|
| 1735 | sspsig[j] = doffset2 * spsig[j-1] + ( 1.0 - doffset2 ) * spsig[j] ; |
---|
| 1736 | sflagsig[j] = flagsig[j-1] + flagsig[j] ; |
---|
| 1737 | } |
---|
| 1738 | // TSYS |
---|
| 1739 | if ( spsig.nelements() == tsyssig.nelements() ) { |
---|
| 1740 | for ( int j = 0 ; j < abs(ioffset2) ; j++ ) { |
---|
| 1741 | stsyssig[j] = tsyssig[sigchan+ioffset2+j] ; |
---|
| 1742 | } |
---|
| 1743 | for ( int j = abs(ioffset2) ; j < sigchan ; j++ ) { |
---|
| 1744 | stsyssig[j] = tsyssig[j+ioffset2] ; |
---|
| 1745 | } |
---|
| 1746 | tsyssig = stsyssig.copy() ; |
---|
| 1747 | stsyssig[0] = doffset2 * tsyssig[sigchan-1] + ( 1.0 - doffset2 ) * tsyssig[0] ; |
---|
| 1748 | for ( int j = 1 ; j < sigchan ; j++ ) { |
---|
| 1749 | stsyssig[j] = doffset2 * tsyssig[j-1] + ( 1.0 - doffset2 ) * tsyssig[j] ; |
---|
| 1750 | } |
---|
| 1751 | } |
---|
| 1752 | } |
---|
| 1753 | } |
---|
| 1754 | |
---|
| 1755 | // folding |
---|
| 1756 | acc.add( spsig, !flagsig, tsyssig, intsig, timesig ) ; |
---|
| 1757 | acc.add( sspref, !sflagref, stsysref, intref, timeref ) ; |
---|
| 1758 | |
---|
| 1759 | // put result |
---|
| 1760 | specColOut.put( i, acc.getSpectrum() ) ; |
---|
| 1761 | const Vector<Bool> &msk = acc.getMask() ; |
---|
| 1762 | Vector<uChar> flg( msk.shape() ) ; |
---|
| 1763 | convertArray( flg, !msk ) ; |
---|
| 1764 | flagColOut.put( i, flg ) ; |
---|
| 1765 | tsysColOut.put( i, acc.getTsys() ) ; |
---|
| 1766 | intervalColOut.put( i, acc.getInterval() ) ; |
---|
| 1767 | mjdColOut.put( i, acc.getTime() ) ; |
---|
| 1768 | // change FREQ_ID to unshifted IF setting (only for APEX?) |
---|
| 1769 | if ( choffset2 != 0.0 ) { |
---|
| 1770 | uInt freqid = fidColOut( 0 ) ; // assume single-IF data |
---|
| 1771 | double refpix, refval, increment ; |
---|
| 1772 | out->frequencies().getEntry( refpix, refval, increment, freqid ) ; |
---|
| 1773 | refval -= choffset * increment ; |
---|
| 1774 | uInt newfreqid = out->frequencies().addEntry( refpix, refval, increment ) ; |
---|
| 1775 | Vector<uInt> freqids = fidColOut.getColumn() ; |
---|
| 1776 | for ( uInt j = 0 ; j < freqids.nelements() ; j++ ) { |
---|
| 1777 | if ( freqids[j] == freqid ) |
---|
| 1778 | freqids[j] = newfreqid ; |
---|
| 1779 | } |
---|
| 1780 | fidColOut.putColumn( freqids ) ; |
---|
| 1781 | } |
---|
| 1782 | |
---|
| 1783 | acc.reset() ; |
---|
| 1784 | } |
---|
| 1785 | |
---|
| 1786 | return out ; |
---|
| 1787 | } |
---|
| 1788 | |
---|
| 1789 | |
---|
[805] | 1790 | CountedPtr< Scantable > STMath::freqSwitch( const CountedPtr< Scantable >& in ) |
---|
| 1791 | { |
---|
| 1792 | // make copy or reference |
---|
| 1793 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 1794 | Table& tout = out->table(); |
---|
[1008] | 1795 | Block<String> cols(4); |
---|
[805] | 1796 | cols[0] = String("SCANNO"); |
---|
[1008] | 1797 | cols[1] = String("CYCLENO"); |
---|
| 1798 | cols[2] = String("BEAMNO"); |
---|
| 1799 | cols[3] = String("POLNO"); |
---|
[805] | 1800 | TableIterator iter(tout, cols); |
---|
| 1801 | while (!iter.pastEnd()) { |
---|
| 1802 | Table subt = iter.table(); |
---|
| 1803 | // this should leave us with two rows for the two IFs....if not ignore |
---|
| 1804 | if (subt.nrow() != 2 ) { |
---|
| 1805 | continue; |
---|
[701] | 1806 | } |
---|
[1008] | 1807 | ArrayColumn<Float> specCol(subt, "SPECTRA"); |
---|
| 1808 | ArrayColumn<Float> tsysCol(subt, "TSYS"); |
---|
| 1809 | ArrayColumn<uChar> flagCol(subt, "FLAGTRA"); |
---|
[805] | 1810 | Vector<Float> onspec,offspec, ontsys, offtsys; |
---|
| 1811 | Vector<uChar> onflag, offflag; |
---|
| 1812 | tsysCol.get(0, ontsys); tsysCol.get(1, offtsys); |
---|
| 1813 | specCol.get(0, onspec); specCol.get(1, offspec); |
---|
| 1814 | flagCol.get(0, onflag); flagCol.get(1, offflag); |
---|
| 1815 | MaskedArray<Float> on = maskedArray(onspec, onflag); |
---|
| 1816 | MaskedArray<Float> off = maskedArray(offspec, offflag); |
---|
| 1817 | MaskedArray<Float> oncopy = on.copy(); |
---|
[248] | 1818 | |
---|
[805] | 1819 | on /= off; on -= 1.0f; |
---|
| 1820 | on *= ontsys[0]; |
---|
| 1821 | off /= oncopy; off -= 1.0f; |
---|
| 1822 | off *= offtsys[0]; |
---|
| 1823 | specCol.put(0, on.getArray()); |
---|
| 1824 | const Vector<Bool>& m0 = on.getMask(); |
---|
| 1825 | Vector<uChar> flags0(m0.shape()); |
---|
| 1826 | convertArray(flags0, !m0); |
---|
| 1827 | flagCol.put(0, flags0); |
---|
[234] | 1828 | |
---|
[805] | 1829 | specCol.put(1, off.getArray()); |
---|
| 1830 | const Vector<Bool>& m1 = off.getMask(); |
---|
| 1831 | Vector<uChar> flags1(m1.shape()); |
---|
| 1832 | convertArray(flags1, !m1); |
---|
| 1833 | flagCol.put(1, flags1); |
---|
[867] | 1834 | ++iter; |
---|
[130] | 1835 | } |
---|
[780] | 1836 | |
---|
[805] | 1837 | return out; |
---|
[9] | 1838 | } |
---|
[48] | 1839 | |
---|
[805] | 1840 | std::vector< float > STMath::statistic( const CountedPtr< Scantable > & in, |
---|
| 1841 | const std::vector< bool > & mask, |
---|
| 1842 | const std::string& which ) |
---|
[130] | 1843 | { |
---|
| 1844 | |
---|
[805] | 1845 | Vector<Bool> m(mask); |
---|
| 1846 | const Table& tab = in->table(); |
---|
| 1847 | ROArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 1848 | ROArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 1849 | std::vector<float> out; |
---|
| 1850 | for (uInt i=0; i < tab.nrow(); ++i ) { |
---|
| 1851 | Vector<Float> spec; specCol.get(i, spec); |
---|
[867] | 1852 | Vector<uChar> flag; flagCol.get(i, flag); |
---|
| 1853 | MaskedArray<Float> ma = maskedArray(spec, flag); |
---|
| 1854 | float outstat = 0.0; |
---|
[805] | 1855 | if ( spec.nelements() == m.nelements() ) { |
---|
| 1856 | outstat = mathutil::statistics(which, ma(m)); |
---|
| 1857 | } else { |
---|
| 1858 | outstat = mathutil::statistics(which, ma); |
---|
| 1859 | } |
---|
| 1860 | out.push_back(outstat); |
---|
[234] | 1861 | } |
---|
[805] | 1862 | return out; |
---|
[130] | 1863 | } |
---|
| 1864 | |
---|
[1907] | 1865 | std::vector< float > STMath::statisticRow( const CountedPtr< Scantable > & in, |
---|
| 1866 | const std::vector< bool > & mask, |
---|
| 1867 | const std::string& which, |
---|
| 1868 | int row ) |
---|
| 1869 | { |
---|
| 1870 | |
---|
| 1871 | Vector<Bool> m(mask); |
---|
| 1872 | const Table& tab = in->table(); |
---|
| 1873 | ROArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 1874 | ROArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 1875 | std::vector<float> out; |
---|
| 1876 | |
---|
| 1877 | Vector<Float> spec; specCol.get(row, spec); |
---|
| 1878 | Vector<uChar> flag; flagCol.get(row, flag); |
---|
| 1879 | MaskedArray<Float> ma = maskedArray(spec, flag); |
---|
| 1880 | float outstat = 0.0; |
---|
| 1881 | if ( spec.nelements() == m.nelements() ) { |
---|
| 1882 | outstat = mathutil::statistics(which, ma(m)); |
---|
| 1883 | } else { |
---|
| 1884 | outstat = mathutil::statistics(which, ma); |
---|
| 1885 | } |
---|
| 1886 | out.push_back(outstat); |
---|
| 1887 | |
---|
| 1888 | return out; |
---|
| 1889 | } |
---|
| 1890 | |
---|
[1819] | 1891 | std::vector< int > STMath::minMaxChan( const CountedPtr< Scantable > & in, |
---|
| 1892 | const std::vector< bool > & mask, |
---|
| 1893 | const std::string& which ) |
---|
| 1894 | { |
---|
| 1895 | |
---|
| 1896 | Vector<Bool> m(mask); |
---|
| 1897 | const Table& tab = in->table(); |
---|
| 1898 | ROArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 1899 | ROArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 1900 | std::vector<int> out; |
---|
| 1901 | for (uInt i=0; i < tab.nrow(); ++i ) { |
---|
| 1902 | Vector<Float> spec; specCol.get(i, spec); |
---|
| 1903 | Vector<uChar> flag; flagCol.get(i, flag); |
---|
| 1904 | MaskedArray<Float> ma = maskedArray(spec, flag); |
---|
| 1905 | if (ma.ndim() != 1) { |
---|
| 1906 | throw (ArrayError( |
---|
| 1907 | "std::vector<int> STMath::minMaxChan(" |
---|
| 1908 | "ContedPtr<Scantable> &in, std::vector<bool> &mask, " |
---|
| 1909 | " std::string &which)" |
---|
| 1910 | " - MaskedArray is not 1D")); |
---|
| 1911 | } |
---|
| 1912 | IPosition outpos(1,0); |
---|
| 1913 | if ( spec.nelements() == m.nelements() ) { |
---|
| 1914 | outpos = mathutil::minMaxPos(which, ma(m)); |
---|
| 1915 | } else { |
---|
| 1916 | outpos = mathutil::minMaxPos(which, ma); |
---|
| 1917 | } |
---|
| 1918 | out.push_back(outpos[0]); |
---|
| 1919 | } |
---|
| 1920 | return out; |
---|
| 1921 | } |
---|
| 1922 | |
---|
[805] | 1923 | CountedPtr< Scantable > STMath::bin( const CountedPtr< Scantable > & in, |
---|
| 1924 | int width ) |
---|
[144] | 1925 | { |
---|
[841] | 1926 | if ( !in->getSelection().empty() ) throw(AipsError("Can't bin subset of the data.")); |
---|
[805] | 1927 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 1928 | Table& tout = out->table(); |
---|
| 1929 | out->frequencies().rescale(width, "BIN"); |
---|
| 1930 | ArrayColumn<Float> specCol(tout, "SPECTRA"); |
---|
| 1931 | ArrayColumn<uChar> flagCol(tout, "FLAGTRA"); |
---|
[2437] | 1932 | ArrayColumn<Float> tsysCol(tout, "TSYS"); |
---|
| 1933 | |
---|
[805] | 1934 | for (uInt i=0; i < tout.nrow(); ++i ) { |
---|
| 1935 | MaskedArray<Float> main = maskedArray(specCol(i), flagCol(i)); |
---|
| 1936 | MaskedArray<Float> maout; |
---|
| 1937 | LatticeUtilities::bin(maout, main, 0, Int(width)); |
---|
| 1938 | specCol.put(i, maout.getArray()); |
---|
| 1939 | flagCol.put(i, flagsFromMA(maout)); |
---|
[2437] | 1940 | if (tsysCol(i).nelements() == specCol(i).nelements()) { |
---|
| 1941 | MaskedArray<Float> matsysin = maskedArray(tsysCol(i), flagCol(i)); |
---|
| 1942 | MaskedArray<Float> matsysout; |
---|
| 1943 | LatticeUtilities::bin(matsysout, matsysin, 0, Int(width)); |
---|
| 1944 | tsysCol.put(i, matsysout.getArray()); |
---|
| 1945 | } |
---|
[805] | 1946 | // take only the first binned spectrum's length for the deprecated |
---|
| 1947 | // global header item nChan |
---|
| 1948 | if (i==0) tout.rwKeywordSet().define(String("nChan"), |
---|
| 1949 | Int(maout.getArray().nelements())); |
---|
[169] | 1950 | } |
---|
[805] | 1951 | return out; |
---|
[146] | 1952 | } |
---|
| 1953 | |
---|
[805] | 1954 | CountedPtr< Scantable > STMath::resample( const CountedPtr< Scantable >& in, |
---|
| 1955 | const std::string& method, |
---|
| 1956 | float width ) |
---|
[299] | 1957 | // |
---|
| 1958 | // Should add the possibility of width being specified in km/s. This means |
---|
[780] | 1959 | // that for each freqID (SpectralCoordinate) we will need to convert to an |
---|
| 1960 | // average channel width (say at the reference pixel). Then we would need |
---|
| 1961 | // to be careful to make sure each spectrum (of different freqID) |
---|
[299] | 1962 | // is the same length. |
---|
| 1963 | // |
---|
| 1964 | { |
---|
[996] | 1965 | //InterpolateArray1D<Double,Float>::InterpolationMethod interp; |
---|
[805] | 1966 | Int interpMethod(stringToIMethod(method)); |
---|
[299] | 1967 | |
---|
[805] | 1968 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 1969 | Table& tout = out->table(); |
---|
[299] | 1970 | |
---|
| 1971 | // Resample SpectralCoordinates (one per freqID) |
---|
[805] | 1972 | out->frequencies().rescale(width, "RESAMPLE"); |
---|
| 1973 | TableIterator iter(tout, "IFNO"); |
---|
| 1974 | TableRow row(tout); |
---|
| 1975 | while ( !iter.pastEnd() ) { |
---|
| 1976 | Table tab = iter.table(); |
---|
| 1977 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 1978 | //ArrayColumn<Float> tsysCol(tout, "TSYS"); |
---|
| 1979 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 1980 | Vector<Float> spec; |
---|
| 1981 | Vector<uChar> flag; |
---|
| 1982 | specCol.get(0,spec); // the number of channels should be constant per IF |
---|
| 1983 | uInt nChanIn = spec.nelements(); |
---|
| 1984 | Vector<Float> xIn(nChanIn); indgen(xIn); |
---|
| 1985 | Int fac = Int(nChanIn/width); |
---|
| 1986 | Vector<Float> xOut(fac+10); // 10 to be safe - resize later |
---|
| 1987 | uInt k = 0; |
---|
| 1988 | Float x = 0.0; |
---|
| 1989 | while (x < Float(nChanIn) ) { |
---|
| 1990 | xOut(k) = x; |
---|
| 1991 | k++; |
---|
| 1992 | x += width; |
---|
| 1993 | } |
---|
| 1994 | uInt nChanOut = k; |
---|
| 1995 | xOut.resize(nChanOut, True); |
---|
| 1996 | // process all rows for this IFNO |
---|
| 1997 | Vector<Float> specOut; |
---|
| 1998 | Vector<Bool> maskOut; |
---|
| 1999 | Vector<uChar> flagOut; |
---|
| 2000 | for (uInt i=0; i < tab.nrow(); ++i) { |
---|
| 2001 | specCol.get(i, spec); |
---|
| 2002 | flagCol.get(i, flag); |
---|
| 2003 | Vector<Bool> mask(flag.nelements()); |
---|
| 2004 | convertArray(mask, flag); |
---|
[299] | 2005 | |
---|
[805] | 2006 | IPosition shapeIn(spec.shape()); |
---|
| 2007 | //sh.nchan = nChanOut; |
---|
| 2008 | InterpolateArray1D<Float,Float>::interpolate(specOut, maskOut, xOut, |
---|
| 2009 | xIn, spec, mask, |
---|
| 2010 | interpMethod, True, True); |
---|
| 2011 | /// @todo do the same for channel based Tsys |
---|
| 2012 | flagOut.resize(maskOut.nelements()); |
---|
| 2013 | convertArray(flagOut, maskOut); |
---|
| 2014 | specCol.put(i, specOut); |
---|
| 2015 | flagCol.put(i, flagOut); |
---|
| 2016 | } |
---|
| 2017 | ++iter; |
---|
[299] | 2018 | } |
---|
| 2019 | |
---|
[805] | 2020 | return out; |
---|
| 2021 | } |
---|
[299] | 2022 | |
---|
[805] | 2023 | STMath::imethod STMath::stringToIMethod(const std::string& in) |
---|
| 2024 | { |
---|
| 2025 | static STMath::imap lookup; |
---|
[299] | 2026 | |
---|
[805] | 2027 | // initialize the lookup table if necessary |
---|
| 2028 | if ( lookup.empty() ) { |
---|
[926] | 2029 | lookup["nearest"] = InterpolateArray1D<Double,Float>::nearestNeighbour; |
---|
| 2030 | lookup["linear"] = InterpolateArray1D<Double,Float>::linear; |
---|
| 2031 | lookup["cubic"] = InterpolateArray1D<Double,Float>::cubic; |
---|
| 2032 | lookup["spline"] = InterpolateArray1D<Double,Float>::spline; |
---|
[299] | 2033 | } |
---|
| 2034 | |
---|
[805] | 2035 | STMath::imap::const_iterator iter = lookup.find(in); |
---|
[299] | 2036 | |
---|
[805] | 2037 | if ( lookup.end() == iter ) { |
---|
| 2038 | std::string message = in; |
---|
| 2039 | message += " is not a valid interpolation mode"; |
---|
| 2040 | throw(AipsError(message)); |
---|
[299] | 2041 | } |
---|
[805] | 2042 | return iter->second; |
---|
[299] | 2043 | } |
---|
| 2044 | |
---|
[805] | 2045 | WeightType STMath::stringToWeight(const std::string& in) |
---|
[146] | 2046 | { |
---|
[805] | 2047 | static std::map<std::string, WeightType> lookup; |
---|
[434] | 2048 | |
---|
[805] | 2049 | // initialize the lookup table if necessary |
---|
| 2050 | if ( lookup.empty() ) { |
---|
[1569] | 2051 | lookup["NONE"] = asap::W_NONE; |
---|
| 2052 | lookup["TINT"] = asap::W_TINT; |
---|
| 2053 | lookup["TINTSYS"] = asap::W_TINTSYS; |
---|
| 2054 | lookup["TSYS"] = asap::W_TSYS; |
---|
| 2055 | lookup["VAR"] = asap::W_VAR; |
---|
[805] | 2056 | } |
---|
[434] | 2057 | |
---|
[805] | 2058 | std::map<std::string, WeightType>::const_iterator iter = lookup.find(in); |
---|
[294] | 2059 | |
---|
[805] | 2060 | if ( lookup.end() == iter ) { |
---|
| 2061 | std::string message = in; |
---|
| 2062 | message += " is not a valid weighting mode"; |
---|
| 2063 | throw(AipsError(message)); |
---|
| 2064 | } |
---|
| 2065 | return iter->second; |
---|
[146] | 2066 | } |
---|
| 2067 | |
---|
[805] | 2068 | CountedPtr< Scantable > STMath::gainElevation( const CountedPtr< Scantable >& in, |
---|
[867] | 2069 | const vector< float > & coeff, |
---|
[805] | 2070 | const std::string & filename, |
---|
| 2071 | const std::string& method) |
---|
[165] | 2072 | { |
---|
[805] | 2073 | // Get elevation data from Scantable and convert to degrees |
---|
| 2074 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
[926] | 2075 | Table& tab = out->table(); |
---|
[805] | 2076 | ROScalarColumn<Float> elev(tab, "ELEVATION"); |
---|
| 2077 | Vector<Float> x = elev.getColumn(); |
---|
| 2078 | x *= Float(180 / C::pi); // Degrees |
---|
[165] | 2079 | |
---|
[867] | 2080 | Vector<Float> coeffs(coeff); |
---|
[805] | 2081 | const uInt nc = coeffs.nelements(); |
---|
| 2082 | if ( filename.length() > 0 && nc > 0 ) { |
---|
| 2083 | throw(AipsError("You must choose either polynomial coefficients or an ascii file, not both")); |
---|
[315] | 2084 | } |
---|
[165] | 2085 | |
---|
[805] | 2086 | // Correct |
---|
| 2087 | if ( nc > 0 || filename.length() == 0 ) { |
---|
| 2088 | // Find instrument |
---|
| 2089 | Bool throwit = True; |
---|
| 2090 | Instrument inst = |
---|
[878] | 2091 | STAttr::convertInstrument(tab.keywordSet().asString("AntennaName"), |
---|
[805] | 2092 | throwit); |
---|
[165] | 2093 | |
---|
[805] | 2094 | // Set polynomial |
---|
| 2095 | Polynomial<Float>* ppoly = 0; |
---|
| 2096 | Vector<Float> coeff; |
---|
| 2097 | String msg; |
---|
| 2098 | if ( nc > 0 ) { |
---|
[1618] | 2099 | ppoly = new Polynomial<Float>(nc-1); |
---|
[805] | 2100 | coeff = coeffs; |
---|
| 2101 | msg = String("user"); |
---|
| 2102 | } else { |
---|
[878] | 2103 | STAttr sdAttr; |
---|
[805] | 2104 | coeff = sdAttr.gainElevationPoly(inst); |
---|
[1618] | 2105 | ppoly = new Polynomial<Float>(coeff.nelements()-1); |
---|
[805] | 2106 | msg = String("built in"); |
---|
| 2107 | } |
---|
[532] | 2108 | |
---|
[805] | 2109 | if ( coeff.nelements() > 0 ) { |
---|
| 2110 | ppoly->setCoefficients(coeff); |
---|
| 2111 | } else { |
---|
| 2112 | delete ppoly; |
---|
| 2113 | throw(AipsError("There is no known gain-elevation polynomial known for this instrument")); |
---|
| 2114 | } |
---|
| 2115 | ostringstream oss; |
---|
| 2116 | oss << "Making polynomial correction with " << msg << " coefficients:" << endl; |
---|
| 2117 | oss << " " << coeff; |
---|
| 2118 | pushLog(String(oss)); |
---|
| 2119 | const uInt nrow = tab.nrow(); |
---|
| 2120 | Vector<Float> factor(nrow); |
---|
| 2121 | for ( uInt i=0; i < nrow; ++i ) { |
---|
| 2122 | factor[i] = 1.0 / (*ppoly)(x[i]); |
---|
| 2123 | } |
---|
| 2124 | delete ppoly; |
---|
| 2125 | scaleByVector(tab, factor, true); |
---|
[532] | 2126 | |
---|
[805] | 2127 | } else { |
---|
| 2128 | // Read and correct |
---|
| 2129 | pushLog("Making correction from ascii Table"); |
---|
| 2130 | scaleFromAsciiTable(tab, filename, method, x, true); |
---|
[532] | 2131 | } |
---|
[805] | 2132 | return out; |
---|
| 2133 | } |
---|
[165] | 2134 | |
---|
[805] | 2135 | void STMath::scaleFromAsciiTable(Table& in, const std::string& filename, |
---|
| 2136 | const std::string& method, |
---|
| 2137 | const Vector<Float>& xout, bool dotsys) |
---|
| 2138 | { |
---|
[165] | 2139 | |
---|
[805] | 2140 | // Read gain-elevation ascii file data into a Table. |
---|
[165] | 2141 | |
---|
[805] | 2142 | String formatString; |
---|
| 2143 | Table tbl = readAsciiTable(formatString, Table::Memory, filename, "", "", False); |
---|
| 2144 | scaleFromTable(in, tbl, method, xout, dotsys); |
---|
| 2145 | } |
---|
[165] | 2146 | |
---|
[805] | 2147 | void STMath::scaleFromTable(Table& in, |
---|
| 2148 | const Table& table, |
---|
| 2149 | const std::string& method, |
---|
| 2150 | const Vector<Float>& xout, bool dotsys) |
---|
| 2151 | { |
---|
[780] | 2152 | |
---|
[805] | 2153 | ROScalarColumn<Float> geElCol(table, "ELEVATION"); |
---|
| 2154 | ROScalarColumn<Float> geFacCol(table, "FACTOR"); |
---|
| 2155 | Vector<Float> xin = geElCol.getColumn(); |
---|
| 2156 | Vector<Float> yin = geFacCol.getColumn(); |
---|
| 2157 | Vector<Bool> maskin(xin.nelements(),True); |
---|
[165] | 2158 | |
---|
[805] | 2159 | // Interpolate (and extrapolate) with desired method |
---|
[532] | 2160 | |
---|
[996] | 2161 | InterpolateArray1D<Double,Float>::InterpolationMethod interp = stringToIMethod(method); |
---|
[165] | 2162 | |
---|
[805] | 2163 | Vector<Float> yout; |
---|
| 2164 | Vector<Bool> maskout; |
---|
| 2165 | InterpolateArray1D<Float,Float>::interpolate(yout, maskout, xout, |
---|
[996] | 2166 | xin, yin, maskin, interp, |
---|
[805] | 2167 | True, True); |
---|
[165] | 2168 | |
---|
[805] | 2169 | scaleByVector(in, Float(1.0)/yout, dotsys); |
---|
[165] | 2170 | } |
---|
[167] | 2171 | |
---|
[805] | 2172 | void STMath::scaleByVector( Table& in, |
---|
| 2173 | const Vector< Float >& factor, |
---|
| 2174 | bool dotsys ) |
---|
[177] | 2175 | { |
---|
[805] | 2176 | uInt nrow = in.nrow(); |
---|
| 2177 | if ( factor.nelements() != nrow ) { |
---|
| 2178 | throw(AipsError("factors.nelements() != table.nelements()")); |
---|
| 2179 | } |
---|
| 2180 | ArrayColumn<Float> specCol(in, "SPECTRA"); |
---|
| 2181 | ArrayColumn<uChar> flagCol(in, "FLAGTRA"); |
---|
| 2182 | ArrayColumn<Float> tsysCol(in, "TSYS"); |
---|
| 2183 | for (uInt i=0; i < nrow; ++i) { |
---|
| 2184 | MaskedArray<Float> ma = maskedArray(specCol(i), flagCol(i)); |
---|
| 2185 | ma *= factor[i]; |
---|
| 2186 | specCol.put(i, ma.getArray()); |
---|
| 2187 | flagCol.put(i, flagsFromMA(ma)); |
---|
| 2188 | if ( dotsys ) { |
---|
[926] | 2189 | Vector<Float> tsys = tsysCol(i); |
---|
[805] | 2190 | tsys *= factor[i]; |
---|
[926] | 2191 | tsysCol.put(i,tsys); |
---|
[805] | 2192 | } |
---|
| 2193 | } |
---|
[177] | 2194 | } |
---|
| 2195 | |
---|
[805] | 2196 | CountedPtr< Scantable > STMath::convertFlux( const CountedPtr< Scantable >& in, |
---|
| 2197 | float d, float etaap, |
---|
| 2198 | float jyperk ) |
---|
[221] | 2199 | { |
---|
[805] | 2200 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 2201 | Table& tab = in->table(); |
---|
| 2202 | Unit fluxUnit(tab.keywordSet().asString("FluxUnit")); |
---|
[221] | 2203 | Unit K(String("K")); |
---|
| 2204 | Unit JY(String("Jy")); |
---|
[701] | 2205 | |
---|
[805] | 2206 | bool tokelvin = true; |
---|
| 2207 | Double cfac = 1.0; |
---|
[716] | 2208 | |
---|
[805] | 2209 | if ( fluxUnit == JY ) { |
---|
[716] | 2210 | pushLog("Converting to K"); |
---|
[701] | 2211 | Quantum<Double> t(1.0,fluxUnit); |
---|
| 2212 | Quantum<Double> t2 = t.get(JY); |
---|
[805] | 2213 | cfac = (t2 / t).getValue(); // value to Jy |
---|
[780] | 2214 | |
---|
[805] | 2215 | tokelvin = true; |
---|
| 2216 | out->setFluxUnit("K"); |
---|
| 2217 | } else if ( fluxUnit == K ) { |
---|
[716] | 2218 | pushLog("Converting to Jy"); |
---|
[701] | 2219 | Quantum<Double> t(1.0,fluxUnit); |
---|
| 2220 | Quantum<Double> t2 = t.get(K); |
---|
[805] | 2221 | cfac = (t2 / t).getValue(); // value to K |
---|
[780] | 2222 | |
---|
[805] | 2223 | tokelvin = false; |
---|
| 2224 | out->setFluxUnit("Jy"); |
---|
[221] | 2225 | } else { |
---|
[701] | 2226 | throw(AipsError("Unrecognized brightness units in Table - must be consistent with Jy or K")); |
---|
[221] | 2227 | } |
---|
[701] | 2228 | // Make sure input values are converted to either Jy or K first... |
---|
[805] | 2229 | Float factor = cfac; |
---|
[221] | 2230 | |
---|
[701] | 2231 | // Select method |
---|
[805] | 2232 | if (jyperk > 0.0) { |
---|
| 2233 | factor *= jyperk; |
---|
| 2234 | if ( tokelvin ) factor = 1.0 / jyperk; |
---|
[716] | 2235 | ostringstream oss; |
---|
[805] | 2236 | oss << "Jy/K = " << jyperk; |
---|
[716] | 2237 | pushLog(String(oss)); |
---|
[805] | 2238 | Vector<Float> factors(tab.nrow(), factor); |
---|
| 2239 | scaleByVector(tab,factors, false); |
---|
| 2240 | } else if ( etaap > 0.0) { |
---|
[1319] | 2241 | if (d < 0) { |
---|
| 2242 | Instrument inst = |
---|
[1570] | 2243 | STAttr::convertInstrument(tab.keywordSet().asString("AntennaName"), |
---|
[1319] | 2244 | True); |
---|
| 2245 | STAttr sda; |
---|
| 2246 | d = sda.diameter(inst); |
---|
| 2247 | } |
---|
[996] | 2248 | jyperk = STAttr::findJyPerK(etaap, d); |
---|
[716] | 2249 | ostringstream oss; |
---|
[805] | 2250 | oss << "Jy/K = " << jyperk; |
---|
[716] | 2251 | pushLog(String(oss)); |
---|
[805] | 2252 | factor *= jyperk; |
---|
| 2253 | if ( tokelvin ) { |
---|
[701] | 2254 | factor = 1.0 / factor; |
---|
| 2255 | } |
---|
[805] | 2256 | Vector<Float> factors(tab.nrow(), factor); |
---|
| 2257 | scaleByVector(tab, factors, False); |
---|
[354] | 2258 | } else { |
---|
[780] | 2259 | |
---|
[701] | 2260 | // OK now we must deal with automatic look up of values. |
---|
| 2261 | // We must also deal with the fact that the factors need |
---|
| 2262 | // to be computed per IF and may be different and may |
---|
| 2263 | // change per integration. |
---|
[780] | 2264 | |
---|
[716] | 2265 | pushLog("Looking up conversion factors"); |
---|
[805] | 2266 | convertBrightnessUnits(out, tokelvin, cfac); |
---|
[701] | 2267 | } |
---|
[805] | 2268 | |
---|
| 2269 | return out; |
---|
[221] | 2270 | } |
---|
| 2271 | |
---|
[805] | 2272 | void STMath::convertBrightnessUnits( CountedPtr<Scantable>& in, |
---|
| 2273 | bool tokelvin, float cfac ) |
---|
[227] | 2274 | { |
---|
[805] | 2275 | Table& table = in->table(); |
---|
| 2276 | Instrument inst = |
---|
[878] | 2277 | STAttr::convertInstrument(table.keywordSet().asString("AntennaName"), True); |
---|
[805] | 2278 | TableIterator iter(table, "FREQ_ID"); |
---|
| 2279 | STFrequencies stfreqs = in->frequencies(); |
---|
[878] | 2280 | STAttr sdAtt; |
---|
[805] | 2281 | while (!iter.pastEnd()) { |
---|
| 2282 | Table tab = iter.table(); |
---|
| 2283 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2284 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 2285 | ROScalarColumn<uInt> freqidCol(tab, "FREQ_ID"); |
---|
| 2286 | MEpoch::ROScalarColumn timeCol(tab, "TIME"); |
---|
[234] | 2287 | |
---|
[805] | 2288 | uInt freqid; freqidCol.get(0, freqid); |
---|
| 2289 | Vector<Float> tmpspec; specCol.get(0, tmpspec); |
---|
[878] | 2290 | // STAttr.JyPerK has a Vector interface... change sometime. |
---|
[805] | 2291 | Vector<Float> freqs(1,stfreqs.getRefFreq(freqid, tmpspec.nelements())); |
---|
| 2292 | for ( uInt i=0; i<tab.nrow(); ++i) { |
---|
| 2293 | Float jyperk = (sdAtt.JyPerK(inst, timeCol(i), freqs))[0]; |
---|
| 2294 | Float factor = cfac * jyperk; |
---|
| 2295 | if ( tokelvin ) factor = Float(1.0) / factor; |
---|
| 2296 | MaskedArray<Float> ma = maskedArray(specCol(i), flagCol(i)); |
---|
| 2297 | ma *= factor; |
---|
| 2298 | specCol.put(i, ma.getArray()); |
---|
| 2299 | flagCol.put(i, flagsFromMA(ma)); |
---|
| 2300 | } |
---|
[867] | 2301 | ++iter; |
---|
[234] | 2302 | } |
---|
[230] | 2303 | } |
---|
[227] | 2304 | |
---|
[805] | 2305 | CountedPtr< Scantable > STMath::opacity( const CountedPtr< Scantable > & in, |
---|
[1689] | 2306 | const std::vector<float>& tau ) |
---|
[234] | 2307 | { |
---|
[805] | 2308 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
[926] | 2309 | |
---|
[1689] | 2310 | Table outtab = out->table(); |
---|
| 2311 | |
---|
[2125] | 2312 | const Int ntau = uInt(tau.size()); |
---|
[1689] | 2313 | std::vector<float>::const_iterator tauit = tau.begin(); |
---|
| 2314 | AlwaysAssert((ntau == 1 || ntau == in->nif() || ntau == in->nif() * in->npol()), |
---|
| 2315 | AipsError); |
---|
| 2316 | TableIterator iiter(outtab, "IFNO"); |
---|
| 2317 | while ( !iiter.pastEnd() ) { |
---|
| 2318 | Table itab = iiter.table(); |
---|
[2278] | 2319 | TableIterator piter(itab, "POLNO"); |
---|
[1689] | 2320 | while ( !piter.pastEnd() ) { |
---|
| 2321 | Table tab = piter.table(); |
---|
| 2322 | ROScalarColumn<Float> elev(tab, "ELEVATION"); |
---|
| 2323 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2324 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 2325 | ArrayColumn<Float> tsysCol(tab, "TSYS"); |
---|
| 2326 | for ( uInt i=0; i<tab.nrow(); ++i) { |
---|
| 2327 | Float zdist = Float(C::pi_2) - elev(i); |
---|
| 2328 | Float factor = exp(*tauit/cos(zdist)); |
---|
| 2329 | MaskedArray<Float> ma = maskedArray(specCol(i), flagCol(i)); |
---|
| 2330 | ma *= factor; |
---|
| 2331 | specCol.put(i, ma.getArray()); |
---|
| 2332 | flagCol.put(i, flagsFromMA(ma)); |
---|
| 2333 | Vector<Float> tsys; |
---|
| 2334 | tsysCol.get(i, tsys); |
---|
| 2335 | tsys *= factor; |
---|
| 2336 | tsysCol.put(i, tsys); |
---|
| 2337 | } |
---|
| 2338 | if (ntau == in->nif()*in->npol() ) { |
---|
| 2339 | tauit++; |
---|
| 2340 | } |
---|
| 2341 | piter++; |
---|
| 2342 | } |
---|
| 2343 | if (ntau >= in->nif() ) { |
---|
| 2344 | tauit++; |
---|
| 2345 | } |
---|
| 2346 | iiter++; |
---|
[234] | 2347 | } |
---|
[805] | 2348 | return out; |
---|
[234] | 2349 | } |
---|
| 2350 | |
---|
[1373] | 2351 | CountedPtr< Scantable > STMath::smoothOther( const CountedPtr< Scantable >& in, |
---|
| 2352 | const std::string& kernel, |
---|
[1570] | 2353 | float width, int order) |
---|
[1373] | 2354 | { |
---|
| 2355 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
[2125] | 2356 | Table table = out->table(); |
---|
| 2357 | |
---|
| 2358 | TableIterator iter(table, "IFNO"); |
---|
| 2359 | while (!iter.pastEnd()) { |
---|
| 2360 | Table tab = iter.table(); |
---|
| 2361 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2362 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 2363 | Vector<Float> spec; |
---|
| 2364 | Vector<uChar> flag; |
---|
| 2365 | for (uInt i = 0; i < tab.nrow(); ++i) { |
---|
| 2366 | specCol.get(i, spec); |
---|
| 2367 | flagCol.get(i, flag); |
---|
| 2368 | Vector<Bool> mask(flag.nelements()); |
---|
| 2369 | convertArray(mask, flag); |
---|
| 2370 | Vector<Float> specout; |
---|
| 2371 | Vector<Bool> maskout; |
---|
| 2372 | if (kernel == "hanning") { |
---|
| 2373 | mathutil::hanning(specout, maskout, spec, !mask); |
---|
| 2374 | convertArray(flag, !maskout); |
---|
| 2375 | } else if (kernel == "rmedian") { |
---|
| 2376 | mathutil::runningMedian(specout, maskout, spec , mask, width); |
---|
| 2377 | convertArray(flag, maskout); |
---|
| 2378 | } else if (kernel == "poly") { |
---|
| 2379 | mathutil::polyfit(specout, maskout, spec, !mask, width, order); |
---|
| 2380 | convertArray(flag, !maskout); |
---|
| 2381 | } |
---|
| 2382 | |
---|
| 2383 | for (uInt j = 0; j < flag.nelements(); ++j) { |
---|
| 2384 | uChar userFlag = 1 << 7; |
---|
| 2385 | if (maskout[j]==True) userFlag = 0 << 7; |
---|
| 2386 | flag(j) = userFlag; |
---|
| 2387 | } |
---|
| 2388 | |
---|
| 2389 | flagCol.put(i, flag); |
---|
| 2390 | specCol.put(i, specout); |
---|
[1373] | 2391 | } |
---|
[2125] | 2392 | ++iter; |
---|
[1373] | 2393 | } |
---|
| 2394 | return out; |
---|
| 2395 | } |
---|
| 2396 | |
---|
[805] | 2397 | CountedPtr< Scantable > STMath::smooth( const CountedPtr< Scantable >& in, |
---|
[1571] | 2398 | const std::string& kernel, float width, |
---|
| 2399 | int order) |
---|
[457] | 2400 | { |
---|
[1571] | 2401 | if (kernel == "rmedian" || kernel == "hanning" || kernel == "poly") { |
---|
| 2402 | return smoothOther(in, kernel, width, order); |
---|
[1373] | 2403 | } |
---|
[805] | 2404 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
[1033] | 2405 | Table& table = out->table(); |
---|
[805] | 2406 | VectorKernel::KernelTypes type = VectorKernel::toKernelType(kernel); |
---|
| 2407 | // same IFNO should have same no of channels |
---|
| 2408 | // this saves overhead |
---|
| 2409 | TableIterator iter(table, "IFNO"); |
---|
| 2410 | while (!iter.pastEnd()) { |
---|
| 2411 | Table tab = iter.table(); |
---|
| 2412 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2413 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 2414 | Vector<Float> tmpspec; specCol.get(0, tmpspec); |
---|
| 2415 | uInt nchan = tmpspec.nelements(); |
---|
| 2416 | Vector<Float> kvec = VectorKernel::make(type, width, nchan, True, False); |
---|
| 2417 | Convolver<Float> conv(kvec, IPosition(1,nchan)); |
---|
| 2418 | Vector<Float> spec; |
---|
| 2419 | Vector<uChar> flag; |
---|
| 2420 | for ( uInt i=0; i<tab.nrow(); ++i) { |
---|
| 2421 | specCol.get(i, spec); |
---|
| 2422 | flagCol.get(i, flag); |
---|
| 2423 | Vector<Bool> mask(flag.nelements()); |
---|
| 2424 | convertArray(mask, flag); |
---|
| 2425 | Vector<Float> specout; |
---|
[1373] | 2426 | mathutil::replaceMaskByZero(specout, mask); |
---|
| 2427 | conv.linearConv(specout, spec); |
---|
| 2428 | specCol.put(i, specout); |
---|
[805] | 2429 | } |
---|
[867] | 2430 | ++iter; |
---|
[701] | 2431 | } |
---|
[805] | 2432 | return out; |
---|
[701] | 2433 | } |
---|
[841] | 2434 | |
---|
| 2435 | CountedPtr< Scantable > |
---|
| 2436 | STMath::merge( const std::vector< CountedPtr < Scantable > >& in ) |
---|
| 2437 | { |
---|
| 2438 | if ( in.size() < 2 ) { |
---|
[862] | 2439 | throw(AipsError("Need at least two scantables to perform a merge.")); |
---|
[841] | 2440 | } |
---|
| 2441 | std::vector<CountedPtr < Scantable > >::const_iterator it = in.begin(); |
---|
| 2442 | bool insitu = insitu_; |
---|
| 2443 | setInsitu(false); |
---|
[862] | 2444 | CountedPtr< Scantable > out = getScantable(*it, false); |
---|
[841] | 2445 | setInsitu(insitu); |
---|
| 2446 | Table& tout = out->table(); |
---|
| 2447 | ScalarColumn<uInt> freqidcol(tout,"FREQ_ID"), molidcol(tout, "MOLECULE_ID"); |
---|
[917] | 2448 | ScalarColumn<uInt> scannocol(tout,"SCANNO"), focusidcol(tout,"FOCUS_ID"); |
---|
| 2449 | // Renumber SCANNO to be 0-based |
---|
[926] | 2450 | Vector<uInt> scannos = scannocol.getColumn(); |
---|
| 2451 | uInt offset = min(scannos); |
---|
[917] | 2452 | scannos -= offset; |
---|
[926] | 2453 | scannocol.putColumn(scannos); |
---|
| 2454 | uInt newscanno = max(scannos)+1; |
---|
[862] | 2455 | ++it; |
---|
[841] | 2456 | while ( it != in.end() ){ |
---|
| 2457 | if ( ! (*it)->conformant(*out) ) { |
---|
[1439] | 2458 | // non conformant. |
---|
[1819] | 2459 | //pushLog(String("Warning: Can't merge scantables as header info differs.")); |
---|
| 2460 | LogIO os( LogOrigin( "STMath", "merge()", WHERE ) ) ; |
---|
| 2461 | os << LogIO::SEVERE << "Can't merge scantables as header informations (any one of AntennaName, Equinox, and FluxUnit) differ." << LogIO::EXCEPTION ; |
---|
[841] | 2462 | } |
---|
[862] | 2463 | out->appendToHistoryTable((*it)->history()); |
---|
[841] | 2464 | const Table& tab = (*it)->table(); |
---|
[2289] | 2465 | |
---|
| 2466 | Block<String> cols(3); |
---|
| 2467 | cols[0] = String("FREQ_ID"); |
---|
| 2468 | cols[1] = String("MOLECULE_ID"); |
---|
| 2469 | cols[2] = String("FOCUS_ID"); |
---|
| 2470 | |
---|
[841] | 2471 | TableIterator scanit(tab, "SCANNO"); |
---|
| 2472 | while (!scanit.pastEnd()) { |
---|
[2289] | 2473 | ScalarColumn<uInt> thescannocol(scanit.table(),"SCANNO"); |
---|
| 2474 | Vector<uInt> thescannos(thescannocol.nrow(),newscanno); |
---|
| 2475 | thescannocol.putColumn(thescannos); |
---|
| 2476 | TableIterator subit(scanit.table(), cols); |
---|
| 2477 | while ( !subit.pastEnd() ) { |
---|
[841] | 2478 | uInt nrow = tout.nrow(); |
---|
[2289] | 2479 | Table thetab = subit.table(); |
---|
| 2480 | ROTableRow row(thetab); |
---|
| 2481 | Vector<uInt> thecolvals(thetab.nrow()); |
---|
| 2482 | ScalarColumn<uInt> thefreqidcol(thetab,"FREQ_ID"); |
---|
| 2483 | ScalarColumn<uInt> themolidcol(thetab, "MOLECULE_ID"); |
---|
| 2484 | ScalarColumn<uInt> thefocusidcol(thetab,"FOCUS_ID"); |
---|
| 2485 | // The selected subset of table should have |
---|
| 2486 | // the equal FREQ_ID, MOLECULE_ID, and FOCUS_ID values. |
---|
| 2487 | const TableRecord& rec = row.get(0); |
---|
| 2488 | // Set the proper FREQ_ID |
---|
| 2489 | Double rv,rp,inc; |
---|
| 2490 | (*it)->frequencies().getEntry(rp, rv, inc, rec.asuInt("FREQ_ID")); |
---|
| 2491 | uInt id; |
---|
| 2492 | id = out->frequencies().addEntry(rp, rv, inc); |
---|
| 2493 | thecolvals = id; |
---|
| 2494 | thefreqidcol.putColumn(thecolvals); |
---|
| 2495 | // Set the proper MOLECULE_ID |
---|
| 2496 | Vector<String> name,fname;Vector<Double> rf; |
---|
| 2497 | (*it)->molecules().getEntry(rf, name, fname, rec.asuInt("MOLECULE_ID")); |
---|
| 2498 | id = out->molecules().addEntry(rf, name, fname); |
---|
| 2499 | thecolvals = id; |
---|
| 2500 | themolidcol.putColumn(thecolvals); |
---|
| 2501 | // Set the proper FOCUS_ID |
---|
| 2502 | Float fpa,frot,fax,ftan,fhand,fmount,fuser, fxy, fxyp; |
---|
| 2503 | (*it)->focus().getEntry(fpa, fax, ftan, frot, fhand, fmount,fuser, |
---|
| 2504 | fxy, fxyp, rec.asuInt("FOCUS_ID")); |
---|
| 2505 | id = out->focus().addEntry(fpa, fax, ftan, frot, fhand, fmount,fuser, |
---|
| 2506 | fxy, fxyp); |
---|
| 2507 | thecolvals = id; |
---|
| 2508 | thefocusidcol.putColumn(thecolvals); |
---|
| 2509 | |
---|
[1505] | 2510 | tout.addRow(thetab.nrow()); |
---|
[841] | 2511 | TableCopy::copyRows(tout, thetab, nrow, 0, thetab.nrow()); |
---|
[2289] | 2512 | |
---|
| 2513 | ++subit; |
---|
[841] | 2514 | } |
---|
| 2515 | ++newscanno; |
---|
| 2516 | ++scanit; |
---|
| 2517 | } |
---|
| 2518 | ++it; |
---|
| 2519 | } |
---|
| 2520 | return out; |
---|
| 2521 | } |
---|
[896] | 2522 | |
---|
| 2523 | CountedPtr< Scantable > |
---|
| 2524 | STMath::invertPhase( const CountedPtr < Scantable >& in ) |
---|
| 2525 | { |
---|
[996] | 2526 | return applyToPol(in, &STPol::invertPhase, Float(0.0)); |
---|
[896] | 2527 | } |
---|
| 2528 | |
---|
| 2529 | CountedPtr< Scantable > |
---|
| 2530 | STMath::rotateXYPhase( const CountedPtr < Scantable >& in, float phase ) |
---|
| 2531 | { |
---|
| 2532 | return applyToPol(in, &STPol::rotatePhase, Float(phase)); |
---|
| 2533 | } |
---|
| 2534 | |
---|
| 2535 | CountedPtr< Scantable > |
---|
| 2536 | STMath::rotateLinPolPhase( const CountedPtr < Scantable >& in, float phase ) |
---|
| 2537 | { |
---|
| 2538 | return applyToPol(in, &STPol::rotateLinPolPhase, Float(phase)); |
---|
| 2539 | } |
---|
| 2540 | |
---|
| 2541 | CountedPtr< Scantable > STMath::applyToPol( const CountedPtr<Scantable>& in, |
---|
| 2542 | STPol::polOperation fptr, |
---|
| 2543 | Float phase ) |
---|
| 2544 | { |
---|
| 2545 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 2546 | Table& tout = out->table(); |
---|
| 2547 | Block<String> cols(4); |
---|
| 2548 | cols[0] = String("SCANNO"); |
---|
| 2549 | cols[1] = String("BEAMNO"); |
---|
| 2550 | cols[2] = String("IFNO"); |
---|
| 2551 | cols[3] = String("CYCLENO"); |
---|
| 2552 | TableIterator iter(tout, cols); |
---|
[1569] | 2553 | CountedPtr<STPol> stpol = STPol::getPolClass(out->factories_, |
---|
[1384] | 2554 | out->getPolType() ); |
---|
[896] | 2555 | while (!iter.pastEnd()) { |
---|
| 2556 | Table t = iter.table(); |
---|
| 2557 | ArrayColumn<Float> speccol(t, "SPECTRA"); |
---|
[1015] | 2558 | ScalarColumn<uInt> focidcol(t, "FOCUS_ID"); |
---|
[1384] | 2559 | Matrix<Float> pols(speccol.getColumn()); |
---|
[896] | 2560 | try { |
---|
| 2561 | stpol->setSpectra(pols); |
---|
[1586] | 2562 | Float fang,fhand; |
---|
| 2563 | fang = in->focusTable_.getTotalAngle(focidcol(0)); |
---|
[1015] | 2564 | fhand = in->focusTable_.getFeedHand(focidcol(0)); |
---|
[1586] | 2565 | stpol->setPhaseCorrections(fang, fhand); |
---|
[1384] | 2566 | // use a member function pointer in STPol. This only works on |
---|
| 2567 | // the STPol pointer itself, not the Counted Pointer so |
---|
| 2568 | // derefernce it. |
---|
| 2569 | (&(*(stpol))->*fptr)(phase); |
---|
[896] | 2570 | speccol.putColumn(stpol->getSpectra()); |
---|
| 2571 | } catch (AipsError& e) { |
---|
[1384] | 2572 | //delete stpol;stpol=0; |
---|
[896] | 2573 | throw(e); |
---|
| 2574 | } |
---|
| 2575 | ++iter; |
---|
| 2576 | } |
---|
[1384] | 2577 | //delete stpol;stpol=0; |
---|
[896] | 2578 | return out; |
---|
| 2579 | } |
---|
| 2580 | |
---|
| 2581 | CountedPtr< Scantable > |
---|
| 2582 | STMath::swapPolarisations( const CountedPtr< Scantable > & in ) |
---|
| 2583 | { |
---|
| 2584 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 2585 | Table& tout = out->table(); |
---|
| 2586 | Table t0 = tout(tout.col("POLNO") == 0); |
---|
| 2587 | Table t1 = tout(tout.col("POLNO") == 1); |
---|
| 2588 | if ( t0.nrow() != t1.nrow() ) |
---|
| 2589 | throw(AipsError("Inconsistent number of polarisations")); |
---|
| 2590 | ArrayColumn<Float> speccol0(t0, "SPECTRA"); |
---|
| 2591 | ArrayColumn<uChar> flagcol0(t0, "FLAGTRA"); |
---|
| 2592 | ArrayColumn<Float> speccol1(t1, "SPECTRA"); |
---|
| 2593 | ArrayColumn<uChar> flagcol1(t1, "FLAGTRA"); |
---|
| 2594 | Matrix<Float> s0 = speccol0.getColumn(); |
---|
| 2595 | Matrix<uChar> f0 = flagcol0.getColumn(); |
---|
| 2596 | speccol0.putColumn(speccol1.getColumn()); |
---|
| 2597 | flagcol0.putColumn(flagcol1.getColumn()); |
---|
| 2598 | speccol1.putColumn(s0); |
---|
| 2599 | flagcol1.putColumn(f0); |
---|
| 2600 | return out; |
---|
| 2601 | } |
---|
[917] | 2602 | |
---|
| 2603 | CountedPtr< Scantable > |
---|
[940] | 2604 | STMath::averagePolarisations( const CountedPtr< Scantable > & in, |
---|
| 2605 | const std::vector<bool>& mask, |
---|
| 2606 | const std::string& weight ) |
---|
| 2607 | { |
---|
[1232] | 2608 | if (in->npol() < 2 ) |
---|
| 2609 | throw(AipsError("averagePolarisations can only be applied to two or more" |
---|
| 2610 | "polarisations")); |
---|
[1010] | 2611 | bool insitu = insitu_; |
---|
| 2612 | setInsitu(false); |
---|
[1232] | 2613 | CountedPtr< Scantable > pols = getScantable(in, true); |
---|
[1010] | 2614 | setInsitu(insitu); |
---|
| 2615 | Table& tout = pols->table(); |
---|
[1232] | 2616 | std::string taql = "SELECT FROM $1 WHERE POLNO IN [0,1]"; |
---|
| 2617 | Table tab = tableCommand(taql, in->table()); |
---|
| 2618 | if (tab.nrow() == 0 ) |
---|
| 2619 | throw(AipsError("Could not find any rows with POLNO==0 and POLNO==1")); |
---|
| 2620 | TableCopy::copyRows(tout, tab); |
---|
[1145] | 2621 | TableVector<uInt> vec(tout, "POLNO"); |
---|
[940] | 2622 | vec = 0; |
---|
[1145] | 2623 | pols->table_.rwKeywordSet().define("nPol", Int(1)); |
---|
[2102] | 2624 | pols->table_.rwKeywordSet().define("POLTYPE", String("stokes")); |
---|
| 2625 | //pols->table_.rwKeywordSet().define("POLTYPE", in->getPolType()); |
---|
[1010] | 2626 | std::vector<CountedPtr<Scantable> > vpols; |
---|
| 2627 | vpols.push_back(pols); |
---|
[1232] | 2628 | CountedPtr< Scantable > out = average(vpols, mask, weight, "SCAN"); |
---|
[940] | 2629 | return out; |
---|
| 2630 | } |
---|
| 2631 | |
---|
[1145] | 2632 | CountedPtr< Scantable > |
---|
| 2633 | STMath::averageBeams( const CountedPtr< Scantable > & in, |
---|
| 2634 | const std::vector<bool>& mask, |
---|
| 2635 | const std::string& weight ) |
---|
| 2636 | { |
---|
| 2637 | bool insitu = insitu_; |
---|
| 2638 | setInsitu(false); |
---|
| 2639 | CountedPtr< Scantable > beams = getScantable(in, false); |
---|
| 2640 | setInsitu(insitu); |
---|
| 2641 | Table& tout = beams->table(); |
---|
| 2642 | // give all rows the same BEAMNO |
---|
| 2643 | TableVector<uInt> vec(tout, "BEAMNO"); |
---|
| 2644 | vec = 0; |
---|
| 2645 | beams->table_.rwKeywordSet().define("nBeam", Int(1)); |
---|
| 2646 | std::vector<CountedPtr<Scantable> > vbeams; |
---|
| 2647 | vbeams.push_back(beams); |
---|
[1232] | 2648 | CountedPtr< Scantable > out = average(vbeams, mask, weight, "SCAN"); |
---|
[1145] | 2649 | return out; |
---|
| 2650 | } |
---|
[940] | 2651 | |
---|
[1145] | 2652 | |
---|
[940] | 2653 | CountedPtr< Scantable > |
---|
[917] | 2654 | asap::STMath::frequencyAlign( const CountedPtr< Scantable > & in, |
---|
| 2655 | const std::string & refTime, |
---|
[926] | 2656 | const std::string & method) |
---|
[917] | 2657 | { |
---|
[940] | 2658 | // clone as this is not working insitu |
---|
| 2659 | bool insitu = insitu_; |
---|
| 2660 | setInsitu(false); |
---|
[917] | 2661 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
[940] | 2662 | setInsitu(insitu); |
---|
[917] | 2663 | Table& tout = out->table(); |
---|
| 2664 | // Get reference Epoch to time of first row or given String |
---|
| 2665 | Unit DAY(String("d")); |
---|
| 2666 | MEpoch::Ref epochRef(in->getTimeReference()); |
---|
| 2667 | MEpoch refEpoch; |
---|
| 2668 | if (refTime.length()>0) { |
---|
| 2669 | Quantum<Double> qt; |
---|
| 2670 | if (MVTime::read(qt,refTime)) { |
---|
| 2671 | MVEpoch mv(qt); |
---|
| 2672 | refEpoch = MEpoch(mv, epochRef); |
---|
| 2673 | } else { |
---|
| 2674 | throw(AipsError("Invalid format for Epoch string")); |
---|
| 2675 | } |
---|
| 2676 | } else { |
---|
| 2677 | refEpoch = in->timeCol_(0); |
---|
| 2678 | } |
---|
| 2679 | MPosition refPos = in->getAntennaPosition(); |
---|
[940] | 2680 | |
---|
[996] | 2681 | InterpolateArray1D<Double,Float>::InterpolationMethod interp = stringToIMethod(method); |
---|
[1475] | 2682 | /* |
---|
| 2683 | // Comment from MV. |
---|
| 2684 | // the following code has been commented out because different FREQ_IDs have to be aligned together even |
---|
| 2685 | // if the frame doesn't change. So far, lack of this check didn't cause any problems. |
---|
[917] | 2686 | // test if user frame is different to base frame |
---|
| 2687 | if ( in->frequencies().getFrameString(true) |
---|
| 2688 | == in->frequencies().getFrameString(false) ) { |
---|
[985] | 2689 | throw(AipsError("Can't convert as no output frame has been set" |
---|
| 2690 | " (use set_freqframe) or it is aligned already.")); |
---|
[917] | 2691 | } |
---|
[1475] | 2692 | */ |
---|
[917] | 2693 | MFrequency::Types system = in->frequencies().getFrame(); |
---|
[940] | 2694 | MVTime mvt(refEpoch.getValue()); |
---|
| 2695 | String epochout = mvt.string(MVTime::YMD) + String(" (") + refEpoch.getRefString() + String(")"); |
---|
| 2696 | ostringstream oss; |
---|
| 2697 | oss << "Aligned at reference Epoch " << epochout |
---|
| 2698 | << " in frame " << MFrequency::showType(system); |
---|
| 2699 | pushLog(String(oss)); |
---|
[917] | 2700 | // set up the iterator |
---|
[926] | 2701 | Block<String> cols(4); |
---|
| 2702 | // select by constant direction |
---|
[917] | 2703 | cols[0] = String("SRCNAME"); |
---|
| 2704 | cols[1] = String("BEAMNO"); |
---|
| 2705 | // select by IF ( no of channels varies over this ) |
---|
| 2706 | cols[2] = String("IFNO"); |
---|
[926] | 2707 | // select by restfrequency |
---|
| 2708 | cols[3] = String("MOLECULE_ID"); |
---|
[917] | 2709 | TableIterator iter(tout, cols); |
---|
[926] | 2710 | while ( !iter.pastEnd() ) { |
---|
[917] | 2711 | Table t = iter.table(); |
---|
| 2712 | MDirection::ROScalarColumn dirCol(t, "DIRECTION"); |
---|
[926] | 2713 | TableIterator fiter(t, "FREQ_ID"); |
---|
[917] | 2714 | // determine nchan from the first row. This should work as |
---|
[926] | 2715 | // we are iterating over BEAMNO and IFNO // we should have constant direction |
---|
| 2716 | |
---|
[917] | 2717 | ROArrayColumn<Float> sCol(t, "SPECTRA"); |
---|
[1475] | 2718 | const MDirection direction = dirCol(0); |
---|
| 2719 | const uInt nchan = sCol(0).nelements(); |
---|
| 2720 | |
---|
| 2721 | // skip operations if there is nothing to align |
---|
| 2722 | if (fiter.pastEnd()) { |
---|
| 2723 | continue; |
---|
| 2724 | } |
---|
| 2725 | |
---|
| 2726 | Table ftab = fiter.table(); |
---|
| 2727 | // align all frequency ids with respect to the first encountered id |
---|
| 2728 | ScalarColumn<uInt> freqidCol(ftab, "FREQ_ID"); |
---|
| 2729 | // get the SpectralCoordinate for the freqid, which we are iterating over |
---|
| 2730 | SpectralCoordinate sC = in->frequencies().getSpectralCoordinate(freqidCol(0)); |
---|
| 2731 | FrequencyAligner<Float> fa( sC, nchan, refEpoch, |
---|
| 2732 | direction, refPos, system ); |
---|
| 2733 | // realign the SpectralCoordinate and put into the output Scantable |
---|
| 2734 | Vector<String> units(1); |
---|
| 2735 | units = String("Hz"); |
---|
| 2736 | Bool linear=True; |
---|
| 2737 | SpectralCoordinate sc2 = fa.alignedSpectralCoordinate(linear); |
---|
| 2738 | sc2.setWorldAxisUnits(units); |
---|
| 2739 | const uInt id = out->frequencies().addEntry(sc2.referencePixel()[0], |
---|
| 2740 | sc2.referenceValue()[0], |
---|
| 2741 | sc2.increment()[0]); |
---|
[926] | 2742 | while ( !fiter.pastEnd() ) { |
---|
[1475] | 2743 | ftab = fiter.table(); |
---|
| 2744 | // spectral coordinate for the current FREQ_ID |
---|
| 2745 | ScalarColumn<uInt> freqidCol2(ftab, "FREQ_ID"); |
---|
| 2746 | sC = in->frequencies().getSpectralCoordinate(freqidCol2(0)); |
---|
[926] | 2747 | // create the "global" abcissa for alignment with same FREQ_ID |
---|
| 2748 | Vector<Double> abc(nchan); |
---|
[917] | 2749 | for (uInt i=0; i<nchan; i++) { |
---|
[1475] | 2750 | Double w; |
---|
| 2751 | sC.toWorld(w,Double(i)); |
---|
| 2752 | abc[i] = w; |
---|
[917] | 2753 | } |
---|
[1475] | 2754 | TableVector<uInt> tvec(ftab, "FREQ_ID"); |
---|
| 2755 | // assign new frequency id to all rows |
---|
| 2756 | tvec = id; |
---|
[926] | 2757 | // cache abcissa for same time stamps, so iterate over those |
---|
| 2758 | TableIterator timeiter(ftab, "TIME"); |
---|
| 2759 | while ( !timeiter.pastEnd() ) { |
---|
| 2760 | Table tab = timeiter.table(); |
---|
| 2761 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2762 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 2763 | MEpoch::ROScalarColumn timeCol(tab, "TIME"); |
---|
| 2764 | // use align abcissa cache after the first row |
---|
[1475] | 2765 | // these rows should be just be POLNO |
---|
[926] | 2766 | bool first = true; |
---|
[996] | 2767 | for (int i=0; i<int(tab.nrow()); ++i) { |
---|
[926] | 2768 | // input values |
---|
| 2769 | Vector<uChar> flag = flagCol(i); |
---|
| 2770 | Vector<Bool> mask(flag.shape()); |
---|
| 2771 | Vector<Float> specOut, spec; |
---|
| 2772 | spec = specCol(i); |
---|
| 2773 | Vector<Bool> maskOut;Vector<uChar> flagOut; |
---|
| 2774 | convertArray(mask, flag); |
---|
| 2775 | // alignment |
---|
| 2776 | Bool ok = fa.align(specOut, maskOut, abc, spec, |
---|
| 2777 | mask, timeCol(i), !first, |
---|
| 2778 | interp, False); |
---|
[2429] | 2779 | (void) ok; // unused stop compiler nagging |
---|
[926] | 2780 | // back into scantable |
---|
| 2781 | flagOut.resize(maskOut.nelements()); |
---|
| 2782 | convertArray(flagOut, maskOut); |
---|
| 2783 | flagCol.put(i, flagOut); |
---|
| 2784 | specCol.put(i, specOut); |
---|
| 2785 | // start abcissa caching |
---|
| 2786 | first = false; |
---|
[917] | 2787 | } |
---|
[926] | 2788 | // next timestamp |
---|
| 2789 | ++timeiter; |
---|
[917] | 2790 | } |
---|
[940] | 2791 | // next FREQ_ID |
---|
[926] | 2792 | ++fiter; |
---|
[917] | 2793 | } |
---|
| 2794 | // next aligner |
---|
| 2795 | ++iter; |
---|
| 2796 | } |
---|
[940] | 2797 | // set this afterwards to ensure we are doing insitu correctly. |
---|
| 2798 | out->frequencies().setFrame(system, true); |
---|
[917] | 2799 | return out; |
---|
| 2800 | } |
---|
[992] | 2801 | |
---|
| 2802 | CountedPtr<Scantable> |
---|
| 2803 | asap::STMath::convertPolarisation( const CountedPtr<Scantable>& in, |
---|
| 2804 | const std::string & newtype ) |
---|
| 2805 | { |
---|
| 2806 | if (in->npol() != 2 && in->npol() != 4) |
---|
| 2807 | throw(AipsError("Can only convert two or four polarisations.")); |
---|
| 2808 | if ( in->getPolType() == newtype ) |
---|
| 2809 | throw(AipsError("No need to convert.")); |
---|
[1000] | 2810 | if ( ! in->selector_.empty() ) |
---|
| 2811 | throw(AipsError("Can only convert whole scantable. Unset the selection.")); |
---|
[992] | 2812 | bool insitu = insitu_; |
---|
| 2813 | setInsitu(false); |
---|
| 2814 | CountedPtr< Scantable > out = getScantable(in, true); |
---|
| 2815 | setInsitu(insitu); |
---|
| 2816 | Table& tout = out->table(); |
---|
| 2817 | tout.rwKeywordSet().define("POLTYPE", String(newtype)); |
---|
| 2818 | |
---|
| 2819 | Block<String> cols(4); |
---|
| 2820 | cols[0] = "SCANNO"; |
---|
| 2821 | cols[1] = "CYCLENO"; |
---|
| 2822 | cols[2] = "BEAMNO"; |
---|
| 2823 | cols[3] = "IFNO"; |
---|
| 2824 | TableIterator it(in->originalTable_, cols); |
---|
| 2825 | String basetype = in->getPolType(); |
---|
| 2826 | STPol* stpol = STPol::getPolClass(in->factories_, basetype); |
---|
| 2827 | try { |
---|
| 2828 | while ( !it.pastEnd() ) { |
---|
| 2829 | Table tab = it.table(); |
---|
| 2830 | uInt row = tab.rowNumbers()[0]; |
---|
| 2831 | stpol->setSpectra(in->getPolMatrix(row)); |
---|
[1586] | 2832 | Float fang,fhand; |
---|
| 2833 | fang = in->focusTable_.getTotalAngle(in->mfocusidCol_(row)); |
---|
[992] | 2834 | fhand = in->focusTable_.getFeedHand(in->mfocusidCol_(row)); |
---|
[1586] | 2835 | stpol->setPhaseCorrections(fang, fhand); |
---|
[992] | 2836 | Int npolout = 0; |
---|
| 2837 | for (uInt i=0; i<tab.nrow(); ++i) { |
---|
| 2838 | Vector<Float> outvec = stpol->getSpectrum(i, newtype); |
---|
| 2839 | if ( outvec.nelements() > 0 ) { |
---|
| 2840 | tout.addRow(); |
---|
| 2841 | TableCopy::copyRows(tout, tab, tout.nrow()-1, 0, 1); |
---|
| 2842 | ArrayColumn<Float> sCol(tout,"SPECTRA"); |
---|
| 2843 | ScalarColumn<uInt> pCol(tout,"POLNO"); |
---|
| 2844 | sCol.put(tout.nrow()-1 ,outvec); |
---|
| 2845 | pCol.put(tout.nrow()-1 ,uInt(npolout)); |
---|
| 2846 | npolout++; |
---|
| 2847 | } |
---|
| 2848 | } |
---|
| 2849 | tout.rwKeywordSet().define("nPol", npolout); |
---|
| 2850 | ++it; |
---|
| 2851 | } |
---|
| 2852 | } catch (AipsError& e) { |
---|
| 2853 | delete stpol; |
---|
| 2854 | throw(e); |
---|
| 2855 | } |
---|
| 2856 | delete stpol; |
---|
| 2857 | return out; |
---|
| 2858 | } |
---|
[1066] | 2859 | |
---|
[1143] | 2860 | CountedPtr< Scantable > |
---|
[1140] | 2861 | asap::STMath::mxExtract( const CountedPtr< Scantable > & in, |
---|
| 2862 | const std::string & scantype ) |
---|
| 2863 | { |
---|
| 2864 | bool insitu = insitu_; |
---|
| 2865 | setInsitu(false); |
---|
| 2866 | CountedPtr< Scantable > out = getScantable(in, true); |
---|
| 2867 | setInsitu(insitu); |
---|
| 2868 | Table& tout = out->table(); |
---|
| 2869 | std::string taql = "SELECT FROM $1 WHERE BEAMNO != REFBEAMNO"; |
---|
| 2870 | if (scantype == "on") { |
---|
| 2871 | taql = "SELECT FROM $1 WHERE BEAMNO == REFBEAMNO"; |
---|
| 2872 | } |
---|
| 2873 | Table tab = tableCommand(taql, in->table()); |
---|
| 2874 | TableCopy::copyRows(tout, tab); |
---|
| 2875 | if (scantype == "on") { |
---|
[1143] | 2876 | // re-index SCANNO to 0 |
---|
[1140] | 2877 | TableVector<uInt> vec(tout, "SCANNO"); |
---|
| 2878 | vec = 0; |
---|
| 2879 | } |
---|
| 2880 | return out; |
---|
| 2881 | } |
---|
[1192] | 2882 | |
---|
[2177] | 2883 | std::vector<float> |
---|
| 2884 | asap::STMath::fft( const casa::CountedPtr< Scantable > & in, |
---|
| 2885 | const std::vector<int>& whichrow, |
---|
| 2886 | bool getRealImag ) |
---|
| 2887 | { |
---|
| 2888 | std::vector<float> res; |
---|
| 2889 | Table tab = in->table(); |
---|
[2186] | 2890 | std::vector<bool> mask; |
---|
[2177] | 2891 | |
---|
| 2892 | if (whichrow.size() < 1) { // for all rows (by default) |
---|
| 2893 | int nrow = int(tab.nrow()); |
---|
| 2894 | for (int i = 0; i < nrow; ++i) { |
---|
[2186] | 2895 | res = in->execFFT(i, mask, getRealImag); |
---|
[2177] | 2896 | } |
---|
| 2897 | } else { // for specified rows |
---|
| 2898 | for (uInt i = 0; i < whichrow.size(); ++i) { |
---|
[2186] | 2899 | res = in->execFFT(i, mask, getRealImag); |
---|
[2177] | 2900 | } |
---|
| 2901 | } |
---|
| 2902 | |
---|
| 2903 | return res; |
---|
| 2904 | } |
---|
| 2905 | |
---|
| 2906 | |
---|
| 2907 | CountedPtr<Scantable> |
---|
| 2908 | asap::STMath::lagFlag( const CountedPtr<Scantable>& in, |
---|
[1579] | 2909 | double start, double end, |
---|
[2177] | 2910 | const std::string& mode ) |
---|
[1192] | 2911 | { |
---|
[2177] | 2912 | CountedPtr<Scantable> out = getScantable(in, false); |
---|
[1192] | 2913 | Table& tout = out->table(); |
---|
| 2914 | TableIterator iter(tout, "FREQ_ID"); |
---|
| 2915 | FFTServer<Float,Complex> ffts; |
---|
[2177] | 2916 | |
---|
[1192] | 2917 | while ( !iter.pastEnd() ) { |
---|
| 2918 | Table tab = iter.table(); |
---|
| 2919 | Double rp,rv,inc; |
---|
| 2920 | ROTableRow row(tab); |
---|
| 2921 | const TableRecord& rec = row.get(0); |
---|
| 2922 | uInt freqid = rec.asuInt("FREQ_ID"); |
---|
| 2923 | out->frequencies().getEntry(rp, rv, inc, freqid); |
---|
| 2924 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2925 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
[2177] | 2926 | |
---|
[1192] | 2927 | for (int i=0; i<int(tab.nrow()); ++i) { |
---|
| 2928 | Vector<Float> spec = specCol(i); |
---|
| 2929 | Vector<uChar> flag = flagCol(i); |
---|
[2186] | 2930 | std::vector<bool> mask; |
---|
| 2931 | for (uInt j = 0; j < flag.nelements(); ++j) { |
---|
| 2932 | mask.push_back(!(flag[j]>0)); |
---|
| 2933 | } |
---|
| 2934 | mathutil::doZeroOrderInterpolation(spec, mask); |
---|
[2177] | 2935 | |
---|
[1192] | 2936 | Vector<Complex> lags; |
---|
[1203] | 2937 | ffts.fft0(lags, spec); |
---|
[2177] | 2938 | |
---|
[1579] | 2939 | Int lag0(start+0.5); |
---|
| 2940 | Int lag1(end+0.5); |
---|
| 2941 | if (mode == "frequency") { |
---|
| 2942 | lag0 = Int(spec.nelements()*abs(inc)/(start)+0.5); |
---|
| 2943 | lag1 = Int(spec.nelements()*abs(inc)/(end)+0.5); |
---|
| 2944 | } |
---|
| 2945 | Int lstart = max(0, lag0); |
---|
[2177] | 2946 | Int lend = min(Int(lags.nelements()-1), lag1); |
---|
[1579] | 2947 | if (lstart == lend) { |
---|
| 2948 | lags[lstart] = Complex(0.0); |
---|
[1192] | 2949 | } else { |
---|
[1579] | 2950 | if (lstart > lend) { |
---|
| 2951 | Int tmp = lend; |
---|
| 2952 | lend = lstart; |
---|
| 2953 | lstart = tmp; |
---|
| 2954 | } |
---|
| 2955 | for (int j=lstart; j <=lend ;++j) { |
---|
[1192] | 2956 | lags[j] = Complex(0.0); |
---|
| 2957 | } |
---|
| 2958 | } |
---|
[2177] | 2959 | |
---|
[1203] | 2960 | ffts.fft0(spec, lags); |
---|
[2177] | 2961 | |
---|
[1192] | 2962 | specCol.put(i, spec); |
---|
| 2963 | } |
---|
| 2964 | ++iter; |
---|
| 2965 | } |
---|
| 2966 | return out; |
---|
| 2967 | } |
---|
[1819] | 2968 | |
---|
| 2969 | // Averaging spectra with different channel/resolution |
---|
| 2970 | CountedPtr<Scantable> |
---|
| 2971 | STMath::new_average( const std::vector<CountedPtr<Scantable> >& in, |
---|
| 2972 | const bool& compel, |
---|
| 2973 | const std::vector<bool>& mask, |
---|
| 2974 | const std::string& weight, |
---|
| 2975 | const std::string& avmode ) |
---|
| 2976 | throw ( casa::AipsError ) |
---|
| 2977 | { |
---|
| 2978 | LogIO os( LogOrigin( "STMath", "new_average()", WHERE ) ) ; |
---|
| 2979 | if ( avmode == "SCAN" && in.size() != 1 ) |
---|
| 2980 | throw(AipsError("Can't perform 'SCAN' averaging on multiple tables.\n" |
---|
| 2981 | "Use merge first.")); |
---|
| 2982 | |
---|
[2412] | 2983 | // 2012/02/17 TN |
---|
| 2984 | // Since STGrid is implemented, average doesn't consider direction |
---|
| 2985 | // when accumulating |
---|
[1819] | 2986 | // check if OTF observation |
---|
[2412] | 2987 | // String obstype = in[0]->getHeader().obstype ; |
---|
| 2988 | // Double tol = 0.0 ; |
---|
| 2989 | // if ( obstype.find( "OTF" ) != String::npos ) { |
---|
| 2990 | // tol = TOL_OTF ; |
---|
| 2991 | // } |
---|
| 2992 | // else { |
---|
| 2993 | // tol = TOL_POINT ; |
---|
| 2994 | // } |
---|
[1819] | 2995 | |
---|
| 2996 | CountedPtr<Scantable> out ; // processed result |
---|
| 2997 | if ( compel ) { |
---|
| 2998 | std::vector< CountedPtr<Scantable> > newin ; // input for average process |
---|
| 2999 | uInt insize = in.size() ; // number of input scantables |
---|
| 3000 | |
---|
| 3001 | // TEST: do normal average in each table before IF grouping |
---|
| 3002 | os << "Do preliminary averaging" << LogIO::POST ; |
---|
| 3003 | vector< CountedPtr<Scantable> > tmpin( insize ) ; |
---|
| 3004 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3005 | vector< CountedPtr<Scantable> > v( 1, in[itable] ) ; |
---|
| 3006 | tmpin[itable] = average( v, mask, weight, avmode ) ; |
---|
| 3007 | } |
---|
| 3008 | |
---|
| 3009 | // warning |
---|
| 3010 | os << "Average spectra with different spectral resolution" << LogIO::POST ; |
---|
| 3011 | |
---|
| 3012 | // temporarily set coordinfo |
---|
| 3013 | vector<string> oldinfo( insize ) ; |
---|
| 3014 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3015 | vector<string> coordinfo = in[itable]->getCoordInfo() ; |
---|
| 3016 | oldinfo[itable] = coordinfo[0] ; |
---|
| 3017 | coordinfo[0] = "Hz" ; |
---|
| 3018 | tmpin[itable]->setCoordInfo( coordinfo ) ; |
---|
| 3019 | } |
---|
| 3020 | |
---|
| 3021 | // columns |
---|
| 3022 | ScalarColumn<uInt> freqIDCol ; |
---|
| 3023 | ScalarColumn<uInt> ifnoCol ; |
---|
| 3024 | ScalarColumn<uInt> scannoCol ; |
---|
| 3025 | |
---|
| 3026 | |
---|
| 3027 | // check IF frequency coverage |
---|
| 3028 | // freqid: list of FREQ_ID, which is used, in each table |
---|
| 3029 | // iffreq: list of minimum and maximum frequency for each FREQ_ID in |
---|
| 3030 | // each table |
---|
| 3031 | // freqid[insize][numIF] |
---|
| 3032 | // freqid: [[id00, id01, ...], |
---|
| 3033 | // [id10, id11, ...], |
---|
| 3034 | // ... |
---|
| 3035 | // [idn0, idn1, ...]] |
---|
| 3036 | // iffreq[insize][numIF*2] |
---|
| 3037 | // iffreq: [[min_id00, max_id00, min_id01, max_id01, ...], |
---|
| 3038 | // [min_id10, max_id10, min_id11, max_id11, ...], |
---|
| 3039 | // ... |
---|
| 3040 | // [min_idn0, max_idn0, min_idn1, max_idn1, ...]] |
---|
| 3041 | //os << "Check IF settings in each table" << LogIO::POST ; |
---|
| 3042 | vector< vector<uInt> > freqid( insize ); |
---|
| 3043 | vector< vector<double> > iffreq( insize ) ; |
---|
| 3044 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3045 | uInt rows = tmpin[itable]->nrow() ; |
---|
| 3046 | uInt freqnrows = tmpin[itable]->frequencies().table().nrow() ; |
---|
| 3047 | for ( uInt irow = 0 ; irow < rows ; irow++ ) { |
---|
| 3048 | if ( freqid[itable].size() == freqnrows ) { |
---|
| 3049 | break ; |
---|
| 3050 | } |
---|
| 3051 | else { |
---|
| 3052 | freqIDCol.attach( tmpin[itable]->table(), "FREQ_ID" ) ; |
---|
| 3053 | ifnoCol.attach( tmpin[itable]->table(), "IFNO" ) ; |
---|
| 3054 | uInt id = freqIDCol( irow ) ; |
---|
| 3055 | if ( freqid[itable].size() == 0 || count( freqid[itable].begin(), freqid[itable].end(), id ) == 0 ) { |
---|
| 3056 | //os << "itable = " << itable << ": IF " << id << " is included in the list" << LogIO::POST ; |
---|
| 3057 | vector<double> abcissa = tmpin[itable]->getAbcissa( irow ) ; |
---|
| 3058 | freqid[itable].push_back( id ) ; |
---|
| 3059 | iffreq[itable].push_back( abcissa[0] - 0.5 * ( abcissa[1] - abcissa[0] ) ) ; |
---|
| 3060 | iffreq[itable].push_back( abcissa[abcissa.size()-1] + 0.5 * ( abcissa[1] - abcissa[0] ) ) ; |
---|
| 3061 | } |
---|
| 3062 | } |
---|
| 3063 | } |
---|
| 3064 | } |
---|
| 3065 | |
---|
| 3066 | // debug |
---|
| 3067 | //os << "IF settings summary:" << endl ; |
---|
| 3068 | //for ( uInt i = 0 ; i < freqid.size() ; i++ ) { |
---|
| 3069 | //os << " Table" << i << endl ; |
---|
| 3070 | //for ( uInt j = 0 ; j < freqid[i].size() ; j++ ) { |
---|
| 3071 | //os << " id = " << freqid[i][j] << " (min,max) = (" << iffreq[i][2*j] << "," << iffreq[i][2*j+1] << ")" << endl ; |
---|
| 3072 | //} |
---|
| 3073 | //} |
---|
| 3074 | //os << endl ; |
---|
| 3075 | //os.post() ; |
---|
| 3076 | |
---|
| 3077 | // IF grouping based on their frequency coverage |
---|
| 3078 | // ifgrp: list of table index and FREQ_ID for all members in each IF group |
---|
| 3079 | // ifgfreq: list of minimum and maximum frequency in each IF group |
---|
| 3080 | // ifgrp[numgrp][nummember*2] |
---|
| 3081 | // ifgrp: [[table00, freqrow00, table01, freqrow01, ...], |
---|
| 3082 | // [table10, freqrow10, table11, freqrow11, ...], |
---|
| 3083 | // ... |
---|
| 3084 | // [tablen0, freqrown0, tablen1, freqrown1, ...]] |
---|
| 3085 | // ifgfreq[numgrp*2] |
---|
| 3086 | // ifgfreq: [min0_grp0, max0_grp0, min1_grp1, max1_grp1, ...] |
---|
| 3087 | //os << "IF grouping based on their frequency coverage" << LogIO::POST ; |
---|
| 3088 | vector< vector<uInt> > ifgrp ; |
---|
| 3089 | vector<double> ifgfreq ; |
---|
| 3090 | |
---|
| 3091 | // parameter for IF grouping |
---|
| 3092 | // groupmode = OR retrieve all region |
---|
| 3093 | // AND only retrieve overlaped region |
---|
| 3094 | //string groupmode = "AND" ; |
---|
| 3095 | string groupmode = "OR" ; |
---|
| 3096 | uInt sizecr = 0 ; |
---|
| 3097 | if ( groupmode == "AND" ) |
---|
| 3098 | sizecr = 2 ; |
---|
| 3099 | else if ( groupmode == "OR" ) |
---|
| 3100 | sizecr = 0 ; |
---|
| 3101 | |
---|
| 3102 | vector<double> sortedfreq ; |
---|
| 3103 | for ( uInt i = 0 ; i < iffreq.size() ; i++ ) { |
---|
| 3104 | for ( uInt j = 0 ; j < iffreq[i].size() ; j++ ) { |
---|
| 3105 | if ( count( sortedfreq.begin(), sortedfreq.end(), iffreq[i][j] ) == 0 ) |
---|
| 3106 | sortedfreq.push_back( iffreq[i][j] ) ; |
---|
| 3107 | } |
---|
| 3108 | } |
---|
| 3109 | sort( sortedfreq.begin(), sortedfreq.end() ) ; |
---|
| 3110 | for ( vector<double>::iterator i = sortedfreq.begin() ; i != sortedfreq.end()-1 ; i++ ) { |
---|
| 3111 | ifgfreq.push_back( *i ) ; |
---|
| 3112 | ifgfreq.push_back( *(i+1) ) ; |
---|
| 3113 | } |
---|
| 3114 | ifgrp.resize( ifgfreq.size()/2 ) ; |
---|
| 3115 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3116 | for ( uInt iif = 0 ; iif < freqid[itable].size() ; iif++ ) { |
---|
| 3117 | double range0 = iffreq[itable][2*iif] ; |
---|
| 3118 | double range1 = iffreq[itable][2*iif+1] ; |
---|
| 3119 | for ( uInt j = 0 ; j < ifgrp.size() ; j++ ) { |
---|
| 3120 | double fmin = max( range0, ifgfreq[2*j] ) ; |
---|
| 3121 | double fmax = min( range1, ifgfreq[2*j+1] ) ; |
---|
| 3122 | if ( fmin < fmax ) { |
---|
| 3123 | ifgrp[j].push_back( itable ) ; |
---|
| 3124 | ifgrp[j].push_back( freqid[itable][iif] ) ; |
---|
| 3125 | } |
---|
| 3126 | } |
---|
| 3127 | } |
---|
| 3128 | } |
---|
| 3129 | vector< vector<uInt> >::iterator fiter = ifgrp.begin() ; |
---|
| 3130 | vector<double>::iterator giter = ifgfreq.begin() ; |
---|
| 3131 | while( fiter != ifgrp.end() ) { |
---|
| 3132 | if ( fiter->size() <= sizecr ) { |
---|
| 3133 | fiter = ifgrp.erase( fiter ) ; |
---|
| 3134 | giter = ifgfreq.erase( giter ) ; |
---|
| 3135 | giter = ifgfreq.erase( giter ) ; |
---|
| 3136 | } |
---|
| 3137 | else { |
---|
| 3138 | fiter++ ; |
---|
| 3139 | advance( giter, 2 ) ; |
---|
| 3140 | } |
---|
| 3141 | } |
---|
| 3142 | |
---|
| 3143 | // Grouping continuous IF groups (without frequency gap) |
---|
| 3144 | // freqgrp: list of IF group indexes in each frequency group |
---|
| 3145 | // freqrange: list of minimum and maximum frequency in each frequency group |
---|
| 3146 | // freqgrp[numgrp][nummember] |
---|
| 3147 | // freqgrp: [[ifgrp00, ifgrp01, ifgrp02, ...], |
---|
| 3148 | // [ifgrp10, ifgrp11, ifgrp12, ...], |
---|
| 3149 | // ... |
---|
| 3150 | // [ifgrpn0, ifgrpn1, ifgrpn2, ...]] |
---|
| 3151 | // freqrange[numgrp*2] |
---|
| 3152 | // freqrange: [min_grp0, max_grp0, min_grp1, max_grp1, ...] |
---|
| 3153 | vector< vector<uInt> > freqgrp ; |
---|
| 3154 | double freqrange = 0.0 ; |
---|
| 3155 | uInt grpnum = 0 ; |
---|
| 3156 | for ( uInt i = 0 ; i < ifgrp.size() ; i++ ) { |
---|
| 3157 | // Assumed that ifgfreq was sorted |
---|
| 3158 | if ( grpnum != 0 && freqrange == ifgfreq[2*i] ) { |
---|
| 3159 | freqgrp[grpnum-1].push_back( i ) ; |
---|
| 3160 | } |
---|
| 3161 | else { |
---|
| 3162 | vector<uInt> grp0( 1, i ) ; |
---|
| 3163 | freqgrp.push_back( grp0 ) ; |
---|
| 3164 | grpnum++ ; |
---|
| 3165 | } |
---|
| 3166 | freqrange = ifgfreq[2*i+1] ; |
---|
| 3167 | } |
---|
| 3168 | |
---|
| 3169 | |
---|
| 3170 | // print IF groups |
---|
| 3171 | ostringstream oss ; |
---|
| 3172 | oss << "IF Group summary: " << endl ; |
---|
| 3173 | oss << " GROUP_ID [FREQ_MIN, FREQ_MAX]: (TABLE_ID, FREQ_ID)" << endl ; |
---|
| 3174 | for ( uInt i = 0 ; i < ifgrp.size() ; i++ ) { |
---|
| 3175 | oss << " GROUP " << setw( 2 ) << i << " [" << ifgfreq[2*i] << "," << ifgfreq[2*i+1] << "]: " ; |
---|
| 3176 | for ( uInt j = 0 ; j < ifgrp[i].size()/2 ; j++ ) { |
---|
| 3177 | oss << "(" << ifgrp[i][2*j] << "," << ifgrp[i][2*j+1] << ") " ; |
---|
| 3178 | } |
---|
| 3179 | oss << endl ; |
---|
| 3180 | } |
---|
| 3181 | oss << endl ; |
---|
| 3182 | os << oss.str() << LogIO::POST ; |
---|
| 3183 | |
---|
| 3184 | // print frequency group |
---|
| 3185 | oss.str("") ; |
---|
| 3186 | oss << "Frequency Group summary: " << endl ; |
---|
| 3187 | oss << " GROUP_ID [FREQ_MIN, FREQ_MAX]: IF_GROUP_ID" << endl ; |
---|
| 3188 | for ( uInt i = 0 ; i < freqgrp.size() ; i++ ) { |
---|
| 3189 | oss << " GROUP " << setw( 2 ) << i << " [" << ifgfreq[2*freqgrp[i][0]] << "," << ifgfreq[2*freqgrp[i][freqgrp[i].size()-1]+1] << "]: " ; |
---|
| 3190 | for ( uInt j = 0 ; j < freqgrp[i].size() ; j++ ) { |
---|
| 3191 | oss << freqgrp[i][j] << " " ; |
---|
| 3192 | } |
---|
| 3193 | oss << endl ; |
---|
| 3194 | } |
---|
| 3195 | oss << endl ; |
---|
| 3196 | os << oss.str() << LogIO::POST ; |
---|
| 3197 | |
---|
| 3198 | // membership check |
---|
| 3199 | // groups: list of IF group indexes whose frequency range overlaps with |
---|
| 3200 | // that of each table and IF |
---|
| 3201 | // groups[numtable][numIF][nummembership] |
---|
| 3202 | // groups: [[[grp, grp,...], [grp, grp,...],...], |
---|
| 3203 | // [[grp, grp,...], [grp, grp,...],...], |
---|
| 3204 | // ... |
---|
| 3205 | // [[grp, grp,...], [grp, grp,...],...]] |
---|
| 3206 | vector< vector< vector<uInt> > > groups( insize ) ; |
---|
| 3207 | for ( uInt i = 0 ; i < insize ; i++ ) { |
---|
| 3208 | groups[i].resize( freqid[i].size() ) ; |
---|
| 3209 | } |
---|
| 3210 | for ( uInt igrp = 0 ; igrp < ifgrp.size() ; igrp++ ) { |
---|
| 3211 | for ( uInt imem = 0 ; imem < ifgrp[igrp].size()/2 ; imem++ ) { |
---|
| 3212 | uInt tableid = ifgrp[igrp][2*imem] ; |
---|
| 3213 | vector<uInt>::iterator iter = find( freqid[tableid].begin(), freqid[tableid].end(), ifgrp[igrp][2*imem+1] ) ; |
---|
| 3214 | if ( iter != freqid[tableid].end() ) { |
---|
| 3215 | uInt rowid = distance( freqid[tableid].begin(), iter ) ; |
---|
| 3216 | groups[tableid][rowid].push_back( igrp ) ; |
---|
| 3217 | } |
---|
| 3218 | } |
---|
| 3219 | } |
---|
| 3220 | |
---|
| 3221 | // print membership |
---|
| 3222 | //oss.str("") ; |
---|
| 3223 | //for ( uInt i = 0 ; i < insize ; i++ ) { |
---|
| 3224 | //oss << "Table " << i << endl ; |
---|
| 3225 | //for ( uInt j = 0 ; j < groups[i].size() ; j++ ) { |
---|
| 3226 | //oss << " FREQ_ID " << setw( 2 ) << freqid[i][j] << ": " ; |
---|
| 3227 | //for ( uInt k = 0 ; k < groups[i][j].size() ; k++ ) { |
---|
| 3228 | //oss << setw( 2 ) << groups[i][j][k] << " " ; |
---|
| 3229 | //} |
---|
| 3230 | //oss << endl ; |
---|
| 3231 | //} |
---|
| 3232 | //} |
---|
| 3233 | //os << oss.str() << LogIO::POST ; |
---|
| 3234 | |
---|
| 3235 | // set back coordinfo |
---|
| 3236 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3237 | vector<string> coordinfo = tmpin[itable]->getCoordInfo() ; |
---|
| 3238 | coordinfo[0] = oldinfo[itable] ; |
---|
| 3239 | tmpin[itable]->setCoordInfo( coordinfo ) ; |
---|
| 3240 | } |
---|
| 3241 | |
---|
| 3242 | // Create additional table if needed |
---|
| 3243 | bool oldInsitu = insitu_ ; |
---|
| 3244 | setInsitu( false ) ; |
---|
| 3245 | vector< vector<uInt> > addrow( insize ) ; |
---|
| 3246 | vector<uInt> addtable( insize, 0 ) ; |
---|
| 3247 | vector<uInt> newtableids( insize ) ; |
---|
| 3248 | vector<uInt> newifids( insize, 0 ) ; |
---|
| 3249 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3250 | //os << "Table " << itable << ": " ; |
---|
| 3251 | for ( uInt ifrow = 0 ; ifrow < groups[itable].size() ; ifrow++ ) { |
---|
| 3252 | addrow[itable].push_back( groups[itable][ifrow].size()-1 ) ; |
---|
| 3253 | //os << addrow[itable][ifrow] << " " ; |
---|
| 3254 | } |
---|
| 3255 | addtable[itable] = *max_element( addrow[itable].begin(), addrow[itable].end() ) ; |
---|
| 3256 | //os << "(" << addtable[itable] << ")" << LogIO::POST ; |
---|
| 3257 | } |
---|
| 3258 | newin.resize( insize ) ; |
---|
| 3259 | copy( tmpin.begin(), tmpin.end(), newin.begin() ) ; |
---|
| 3260 | for ( uInt i = 0 ; i < insize ; i++ ) { |
---|
| 3261 | newtableids[i] = i ; |
---|
| 3262 | } |
---|
| 3263 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3264 | for ( uInt iadd = 0 ; iadd < addtable[itable] ; iadd++ ) { |
---|
| 3265 | CountedPtr<Scantable> add = getScantable( newin[itable], false ) ; |
---|
| 3266 | vector<int> freqidlist ; |
---|
| 3267 | for ( uInt i = 0 ; i < groups[itable].size() ; i++ ) { |
---|
| 3268 | if ( groups[itable][i].size() > iadd + 1 ) { |
---|
| 3269 | freqidlist.push_back( freqid[itable][i] ) ; |
---|
| 3270 | } |
---|
| 3271 | } |
---|
| 3272 | stringstream taqlstream ; |
---|
| 3273 | taqlstream << "SELECT FROM $1 WHERE FREQ_ID IN [" ; |
---|
| 3274 | for ( uInt i = 0 ; i < freqidlist.size() ; i++ ) { |
---|
[2133] | 3275 | taqlstream << freqidlist[i] ; |
---|
[1819] | 3276 | if ( i < freqidlist.size() - 1 ) |
---|
| 3277 | taqlstream << "," ; |
---|
| 3278 | else |
---|
| 3279 | taqlstream << "]" ; |
---|
| 3280 | } |
---|
| 3281 | string taql = taqlstream.str() ; |
---|
| 3282 | //os << "taql = " << taql << LogIO::POST ; |
---|
| 3283 | STSelector selector = STSelector() ; |
---|
| 3284 | selector.setTaQL( taql ) ; |
---|
| 3285 | add->setSelection( selector ) ; |
---|
| 3286 | newin.push_back( add ) ; |
---|
| 3287 | newtableids.push_back( itable ) ; |
---|
| 3288 | newifids.push_back( iadd + 1 ) ; |
---|
| 3289 | } |
---|
| 3290 | } |
---|
| 3291 | |
---|
| 3292 | // udpate ifgrp |
---|
| 3293 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3294 | for ( uInt iadd = 0 ; iadd < addtable[itable] ; iadd++ ) { |
---|
| 3295 | for ( uInt ifrow = 0 ; ifrow < groups[itable].size() ; ifrow++ ) { |
---|
| 3296 | if ( groups[itable][ifrow].size() > iadd + 1 ) { |
---|
| 3297 | uInt igrp = groups[itable][ifrow][iadd+1] ; |
---|
| 3298 | for ( uInt imem = 0 ; imem < ifgrp[igrp].size()/2 ; imem++ ) { |
---|
| 3299 | if ( ifgrp[igrp][2*imem] == newtableids[iadd+insize] && ifgrp[igrp][2*imem+1] == freqid[newtableids[iadd+insize]][ifrow] ) { |
---|
| 3300 | ifgrp[igrp][2*imem] = insize + iadd ; |
---|
| 3301 | } |
---|
| 3302 | } |
---|
| 3303 | } |
---|
| 3304 | } |
---|
| 3305 | } |
---|
| 3306 | } |
---|
| 3307 | |
---|
| 3308 | // print IF groups again for debug |
---|
| 3309 | //oss.str( "" ) ; |
---|
| 3310 | //oss << "IF Group summary: " << endl ; |
---|
| 3311 | //oss << " GROUP_ID [FREQ_MIN, FREQ_MAX]: (TABLE_ID, FREQ_ID)" << endl ; |
---|
| 3312 | //for ( uInt i = 0 ; i < ifgrp.size() ; i++ ) { |
---|
| 3313 | //oss << " GROUP " << setw( 2 ) << i << " [" << ifgfreq[2*i] << "," << ifgfreq[2*i+1] << "]: " ; |
---|
| 3314 | //for ( uInt j = 0 ; j < ifgrp[i].size()/2 ; j++ ) { |
---|
| 3315 | //oss << "(" << ifgrp[i][2*j] << "," << ifgrp[i][2*j+1] << ") " ; |
---|
| 3316 | //} |
---|
| 3317 | //oss << endl ; |
---|
| 3318 | //} |
---|
| 3319 | //oss << endl ; |
---|
| 3320 | //os << oss.str() << LogIO::POST ; |
---|
| 3321 | |
---|
| 3322 | // reset SCANNO and IFNO/FREQ_ID: IF is reset by the result of sortation |
---|
| 3323 | os << "All scan number is set to 0" << LogIO::POST ; |
---|
| 3324 | //os << "All IF number is set to IF group index" << LogIO::POST ; |
---|
| 3325 | insize = newin.size() ; |
---|
| 3326 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3327 | uInt rows = newin[itable]->nrow() ; |
---|
| 3328 | Table &tmpt = newin[itable]->table() ; |
---|
| 3329 | freqIDCol.attach( tmpt, "FREQ_ID" ) ; |
---|
| 3330 | scannoCol.attach( tmpt, "SCANNO" ) ; |
---|
| 3331 | ifnoCol.attach( tmpt, "IFNO" ) ; |
---|
| 3332 | for ( uInt irow=0 ; irow < rows ; irow++ ) { |
---|
| 3333 | scannoCol.put( irow, 0 ) ; |
---|
| 3334 | uInt freqID = freqIDCol( irow ) ; |
---|
| 3335 | vector<uInt>::iterator iter = find( freqid[newtableids[itable]].begin(), freqid[newtableids[itable]].end(), freqID ) ; |
---|
| 3336 | if ( iter != freqid[newtableids[itable]].end() ) { |
---|
| 3337 | uInt index = distance( freqid[newtableids[itable]].begin(), iter ) ; |
---|
| 3338 | ifnoCol.put( irow, groups[newtableids[itable]][index][newifids[itable]] ) ; |
---|
| 3339 | } |
---|
| 3340 | else { |
---|
| 3341 | throw(AipsError("IF grouping was wrong in additional tables.")) ; |
---|
| 3342 | } |
---|
| 3343 | } |
---|
| 3344 | } |
---|
| 3345 | oldinfo.resize( insize ) ; |
---|
| 3346 | setInsitu( oldInsitu ) ; |
---|
| 3347 | |
---|
| 3348 | // temporarily set coordinfo |
---|
| 3349 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3350 | vector<string> coordinfo = newin[itable]->getCoordInfo() ; |
---|
| 3351 | oldinfo[itable] = coordinfo[0] ; |
---|
| 3352 | coordinfo[0] = "Hz" ; |
---|
| 3353 | newin[itable]->setCoordInfo( coordinfo ) ; |
---|
| 3354 | } |
---|
| 3355 | |
---|
| 3356 | // save column values in the vector |
---|
| 3357 | vector< vector<uInt> > freqTableIdVec( insize ) ; |
---|
| 3358 | vector< vector<uInt> > freqIdVec( insize ) ; |
---|
| 3359 | vector< vector<uInt> > ifNoVec( insize ) ; |
---|
| 3360 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3361 | ScalarColumn<uInt> freqIDs ; |
---|
| 3362 | freqIDs.attach( newin[itable]->frequencies().table(), "ID" ) ; |
---|
| 3363 | ifnoCol.attach( newin[itable]->table(), "IFNO" ) ; |
---|
| 3364 | freqIDCol.attach( newin[itable]->table(), "FREQ_ID" ) ; |
---|
| 3365 | for ( uInt irow = 0 ; irow < newin[itable]->frequencies().table().nrow() ; irow++ ) { |
---|
| 3366 | freqTableIdVec[itable].push_back( freqIDs( irow ) ) ; |
---|
| 3367 | } |
---|
| 3368 | for ( uInt irow = 0 ; irow < newin[itable]->table().nrow() ; irow++ ) { |
---|
| 3369 | freqIdVec[itable].push_back( freqIDCol( irow ) ) ; |
---|
| 3370 | ifNoVec[itable].push_back( ifnoCol( irow ) ) ; |
---|
| 3371 | } |
---|
| 3372 | } |
---|
| 3373 | |
---|
| 3374 | // reset spectra and flagtra: pick up common part of frequency coverage |
---|
| 3375 | //os << "Pick common frequency range and align resolution" << LogIO::POST ; |
---|
| 3376 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3377 | uInt rows = newin[itable]->nrow() ; |
---|
| 3378 | int nminchan = -1 ; |
---|
| 3379 | int nmaxchan = -1 ; |
---|
| 3380 | vector<uInt> freqIdUpdate ; |
---|
| 3381 | for ( uInt irow = 0 ; irow < rows ; irow++ ) { |
---|
| 3382 | uInt ifno = ifNoVec[itable][irow] ; // IFNO is reset by group index |
---|
| 3383 | double minfreq = ifgfreq[2*ifno] ; |
---|
| 3384 | double maxfreq = ifgfreq[2*ifno+1] ; |
---|
| 3385 | //os << "frequency range: [" << minfreq << "," << maxfreq << "]" << LogIO::POST ; |
---|
| 3386 | vector<double> abcissa = newin[itable]->getAbcissa( irow ) ; |
---|
| 3387 | int nchan = abcissa.size() ; |
---|
| 3388 | double resol = abcissa[1] - abcissa[0] ; |
---|
| 3389 | //os << "abcissa range : [" << abcissa[0] << "," << abcissa[nchan-1] << "]" << LogIO::POST ; |
---|
| 3390 | if ( minfreq <= abcissa[0] ) |
---|
| 3391 | nminchan = 0 ; |
---|
| 3392 | else { |
---|
| 3393 | //double cfreq = ( minfreq - abcissa[0] ) / resol ; |
---|
| 3394 | double cfreq = ( minfreq - abcissa[0] + 0.5 * resol ) / resol ; |
---|
| 3395 | nminchan = int(cfreq) + ( ( cfreq - int(cfreq) <= 0.5 ) ? 0 : 1 ) ; |
---|
| 3396 | } |
---|
| 3397 | if ( maxfreq >= abcissa[abcissa.size()-1] ) |
---|
| 3398 | nmaxchan = abcissa.size() - 1 ; |
---|
| 3399 | else { |
---|
| 3400 | //double cfreq = ( abcissa[abcissa.size()-1] - maxfreq ) / resol ; |
---|
| 3401 | double cfreq = ( abcissa[abcissa.size()-1] - maxfreq + 0.5 * resol ) / resol ; |
---|
| 3402 | nmaxchan = abcissa.size() - 1 - int(cfreq) - ( ( cfreq - int(cfreq) >= 0.5 ) ? 1 : 0 ) ; |
---|
| 3403 | } |
---|
| 3404 | //os << "channel range (" << irow << "): [" << nminchan << "," << nmaxchan << "]" << LogIO::POST ; |
---|
| 3405 | if ( nmaxchan > nminchan ) { |
---|
| 3406 | newin[itable]->reshapeSpectrum( nminchan, nmaxchan, irow ) ; |
---|
| 3407 | int newchan = nmaxchan - nminchan + 1 ; |
---|
| 3408 | if ( count( freqIdUpdate.begin(), freqIdUpdate.end(), freqIdVec[itable][irow] ) == 0 && newchan < nchan ) |
---|
| 3409 | freqIdUpdate.push_back( freqIdVec[itable][irow] ) ; |
---|
| 3410 | } |
---|
| 3411 | else { |
---|
| 3412 | throw(AipsError("Failed to pick up common part of frequency range.")) ; |
---|
| 3413 | } |
---|
| 3414 | } |
---|
| 3415 | for ( uInt i = 0 ; i < freqIdUpdate.size() ; i++ ) { |
---|
| 3416 | uInt freqId = freqIdUpdate[i] ; |
---|
| 3417 | Double refpix ; |
---|
| 3418 | Double refval ; |
---|
| 3419 | Double increment ; |
---|
| 3420 | |
---|
| 3421 | // update row |
---|
| 3422 | newin[itable]->frequencies().getEntry( refpix, refval, increment, freqId ) ; |
---|
| 3423 | refval = refval - ( refpix - nminchan ) * increment ; |
---|
| 3424 | refpix = 0 ; |
---|
| 3425 | newin[itable]->frequencies().setEntry( refpix, refval, increment, freqId ) ; |
---|
| 3426 | } |
---|
| 3427 | } |
---|
| 3428 | |
---|
| 3429 | |
---|
| 3430 | // reset spectra and flagtra: align spectral resolution |
---|
| 3431 | //os << "Align spectral resolution" << LogIO::POST ; |
---|
| 3432 | // gmaxdnu: the coarsest frequency resolution in the frequency group |
---|
| 3433 | // gmemid: member index that have a resolution equal to gmaxdnu |
---|
| 3434 | // gmaxdnu[numfreqgrp] |
---|
| 3435 | // gmaxdnu: [dnu0, dnu1, ...] |
---|
| 3436 | // gmemid[numfreqgrp] |
---|
| 3437 | // gmemid: [id0, id1, ...] |
---|
| 3438 | vector<double> gmaxdnu( freqgrp.size(), 0.0 ) ; |
---|
| 3439 | vector<uInt> gmemid( freqgrp.size(), 0 ) ; |
---|
| 3440 | for ( uInt igrp = 0 ; igrp < ifgrp.size() ; igrp++ ) { |
---|
| 3441 | double maxdnu = 0.0 ; // maximum (coarsest) frequency resolution |
---|
| 3442 | int minchan = INT_MAX ; // minimum channel number |
---|
| 3443 | Double refpixref = -1 ; // reference of 'reference pixel' |
---|
| 3444 | Double refvalref = -1 ; // reference of 'reference frequency' |
---|
| 3445 | Double refinc = -1 ; // reference frequency resolution |
---|
| 3446 | uInt refreqid ; |
---|
| 3447 | uInt reftable = INT_MAX; |
---|
| 3448 | // process only if group member > 1 |
---|
| 3449 | if ( ifgrp[igrp].size() > 2 ) { |
---|
| 3450 | // find minchan and maxdnu in each group |
---|
| 3451 | for ( uInt imem = 0 ; imem < ifgrp[igrp].size()/2 ; imem++ ) { |
---|
| 3452 | uInt tableid = ifgrp[igrp][2*imem] ; |
---|
| 3453 | uInt rowid = ifgrp[igrp][2*imem+1] ; |
---|
| 3454 | vector<uInt>::iterator iter = find( freqIdVec[tableid].begin(), freqIdVec[tableid].end(), rowid ) ; |
---|
| 3455 | if ( iter != freqIdVec[tableid].end() ) { |
---|
| 3456 | uInt index = distance( freqIdVec[tableid].begin(), iter ) ; |
---|
| 3457 | vector<double> abcissa = newin[tableid]->getAbcissa( index ) ; |
---|
| 3458 | int nchan = abcissa.size() ; |
---|
| 3459 | double dnu = abcissa[1] - abcissa[0] ; |
---|
| 3460 | //os << "GROUP " << igrp << " (" << tableid << "," << rowid << "): nchan = " << nchan << " (minchan = " << minchan << ")" << LogIO::POST ; |
---|
| 3461 | if ( nchan < minchan ) { |
---|
| 3462 | minchan = nchan ; |
---|
| 3463 | maxdnu = dnu ; |
---|
| 3464 | newin[tableid]->frequencies().getEntry( refpixref, refvalref, refinc, rowid ) ; |
---|
| 3465 | refreqid = rowid ; |
---|
| 3466 | reftable = tableid ; |
---|
| 3467 | } |
---|
| 3468 | } |
---|
| 3469 | } |
---|
| 3470 | // regrid spectra in each group |
---|
| 3471 | os << "GROUP " << igrp << endl ; |
---|
| 3472 | os << " Channel number is adjusted to " << minchan << endl ; |
---|
| 3473 | os << " Corresponding frequency resolution is " << maxdnu << "Hz" << LogIO::POST ; |
---|
| 3474 | for ( uInt imem = 0 ; imem < ifgrp[igrp].size()/2 ; imem++ ) { |
---|
| 3475 | uInt tableid = ifgrp[igrp][2*imem] ; |
---|
| 3476 | uInt rowid = ifgrp[igrp][2*imem+1] ; |
---|
| 3477 | freqIDCol.attach( newin[tableid]->table(), "FREQ_ID" ) ; |
---|
| 3478 | //os << "tableid = " << tableid << " rowid = " << rowid << ": " << LogIO::POST ; |
---|
| 3479 | //os << " regridChannel applied to " ; |
---|
[2133] | 3480 | //if ( tableid != reftable ) |
---|
| 3481 | refreqid = newin[tableid]->frequencies().addEntry( refpixref, refvalref, refinc ) ; |
---|
[1819] | 3482 | for ( uInt irow = 0 ; irow < newin[tableid]->table().nrow() ; irow++ ) { |
---|
| 3483 | uInt tfreqid = freqIdVec[tableid][irow] ; |
---|
| 3484 | if ( tfreqid == rowid ) { |
---|
| 3485 | //os << irow << " " ; |
---|
| 3486 | newin[tableid]->regridChannel( minchan, maxdnu, irow ) ; |
---|
| 3487 | freqIDCol.put( irow, refreqid ) ; |
---|
| 3488 | freqIdVec[tableid][irow] = refreqid ; |
---|
| 3489 | } |
---|
| 3490 | } |
---|
| 3491 | //os << LogIO::POST ; |
---|
| 3492 | } |
---|
| 3493 | } |
---|
| 3494 | else { |
---|
| 3495 | uInt tableid = ifgrp[igrp][0] ; |
---|
| 3496 | uInt rowid = ifgrp[igrp][1] ; |
---|
| 3497 | vector<uInt>::iterator iter = find( freqIdVec[tableid].begin(), freqIdVec[tableid].end(), rowid ) ; |
---|
| 3498 | if ( iter != freqIdVec[tableid].end() ) { |
---|
| 3499 | uInt index = distance( freqIdVec[tableid].begin(), iter ) ; |
---|
| 3500 | vector<double> abcissa = newin[tableid]->getAbcissa( index ) ; |
---|
| 3501 | minchan = abcissa.size() ; |
---|
| 3502 | maxdnu = abcissa[1] - abcissa[0] ; |
---|
| 3503 | } |
---|
| 3504 | } |
---|
| 3505 | for ( uInt i = 0 ; i < freqgrp.size() ; i++ ) { |
---|
| 3506 | if ( count( freqgrp[i].begin(), freqgrp[i].end(), igrp ) > 0 ) { |
---|
| 3507 | if ( maxdnu > gmaxdnu[i] ) { |
---|
| 3508 | gmaxdnu[i] = maxdnu ; |
---|
| 3509 | gmemid[i] = igrp ; |
---|
| 3510 | } |
---|
| 3511 | break ; |
---|
| 3512 | } |
---|
| 3513 | } |
---|
| 3514 | } |
---|
| 3515 | |
---|
| 3516 | // set back coordinfo |
---|
| 3517 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3518 | vector<string> coordinfo = newin[itable]->getCoordInfo() ; |
---|
| 3519 | coordinfo[0] = oldinfo[itable] ; |
---|
| 3520 | newin[itable]->setCoordInfo( coordinfo ) ; |
---|
| 3521 | } |
---|
| 3522 | |
---|
| 3523 | // accumulate all rows into the first table |
---|
| 3524 | // NOTE: assumed in.size() = 1 |
---|
| 3525 | vector< CountedPtr<Scantable> > tmp( 1 ) ; |
---|
| 3526 | if ( newin.size() == 1 ) |
---|
| 3527 | tmp[0] = newin[0] ; |
---|
| 3528 | else |
---|
| 3529 | tmp[0] = merge( newin ) ; |
---|
| 3530 | |
---|
| 3531 | //return tmp[0] ; |
---|
| 3532 | |
---|
| 3533 | // average |
---|
| 3534 | CountedPtr<Scantable> tmpout = average( tmp, mask, weight, avmode ) ; |
---|
| 3535 | |
---|
| 3536 | //return tmpout ; |
---|
| 3537 | |
---|
| 3538 | // combine frequency group |
---|
| 3539 | os << "Combine spectra based on frequency grouping" << LogIO::POST ; |
---|
| 3540 | os << "IFNO is renumbered as frequency group ID (see above)" << LogIO::POST ; |
---|
| 3541 | vector<string> coordinfo = tmpout->getCoordInfo() ; |
---|
| 3542 | oldinfo[0] = coordinfo[0] ; |
---|
| 3543 | coordinfo[0] = "Hz" ; |
---|
| 3544 | tmpout->setCoordInfo( coordinfo ) ; |
---|
| 3545 | // create proformas of output table |
---|
| 3546 | stringstream taqlstream ; |
---|
| 3547 | taqlstream << "SELECT FROM $1 WHERE IFNO IN [" ; |
---|
| 3548 | for ( uInt i = 0 ; i < gmemid.size() ; i++ ) { |
---|
| 3549 | taqlstream << gmemid[i] ; |
---|
| 3550 | if ( i < gmemid.size() - 1 ) |
---|
| 3551 | taqlstream << "," ; |
---|
| 3552 | else |
---|
| 3553 | taqlstream << "]" ; |
---|
| 3554 | } |
---|
| 3555 | string taql = taqlstream.str() ; |
---|
| 3556 | //os << "taql = " << taql << LogIO::POST ; |
---|
| 3557 | STSelector selector = STSelector() ; |
---|
| 3558 | selector.setTaQL( taql ) ; |
---|
| 3559 | oldInsitu = insitu_ ; |
---|
| 3560 | setInsitu( false ) ; |
---|
| 3561 | out = getScantable( tmpout, false ) ; |
---|
| 3562 | setInsitu( oldInsitu ) ; |
---|
| 3563 | out->setSelection( selector ) ; |
---|
| 3564 | // regrid rows |
---|
| 3565 | ifnoCol.attach( tmpout->table(), "IFNO" ) ; |
---|
| 3566 | for ( uInt irow = 0 ; irow < tmpout->table().nrow() ; irow++ ) { |
---|
| 3567 | uInt ifno = ifnoCol( irow ) ; |
---|
| 3568 | for ( uInt igrp = 0 ; igrp < freqgrp.size() ; igrp++ ) { |
---|
| 3569 | if ( count( freqgrp[igrp].begin(), freqgrp[igrp].end(), ifno ) > 0 ) { |
---|
| 3570 | vector<double> abcissa = tmpout->getAbcissa( irow ) ; |
---|
| 3571 | double bw = ( abcissa[1] - abcissa[0] ) * abcissa.size() ; |
---|
| 3572 | int nchan = (int)( bw / gmaxdnu[igrp] ) ; |
---|
| 3573 | tmpout->regridChannel( nchan, gmaxdnu[igrp], irow ) ; |
---|
| 3574 | break ; |
---|
| 3575 | } |
---|
| 3576 | } |
---|
| 3577 | } |
---|
| 3578 | // combine spectra |
---|
| 3579 | ArrayColumn<Float> specColOut ; |
---|
| 3580 | specColOut.attach( out->table(), "SPECTRA" ) ; |
---|
| 3581 | ArrayColumn<uChar> flagColOut ; |
---|
| 3582 | flagColOut.attach( out->table(), "FLAGTRA" ) ; |
---|
| 3583 | ScalarColumn<uInt> ifnoColOut ; |
---|
| 3584 | ifnoColOut.attach( out->table(), "IFNO" ) ; |
---|
| 3585 | ScalarColumn<uInt> polnoColOut ; |
---|
| 3586 | polnoColOut.attach( out->table(), "POLNO" ) ; |
---|
| 3587 | ScalarColumn<uInt> freqidColOut ; |
---|
| 3588 | freqidColOut.attach( out->table(), "FREQ_ID" ) ; |
---|
[2412] | 3589 | // MDirection::ScalarColumn dirColOut ; |
---|
| 3590 | // dirColOut.attach( out->table(), "DIRECTION" ) ; |
---|
[1819] | 3591 | Table &tab = tmpout->table() ; |
---|
| 3592 | Block<String> cols(1); |
---|
| 3593 | cols[0] = String("POLNO") ; |
---|
| 3594 | TableIterator iter( tab, cols ) ; |
---|
| 3595 | bool done = false ; |
---|
| 3596 | vector< vector<uInt> > sizes( freqgrp.size() ) ; |
---|
| 3597 | while( !iter.pastEnd() ) { |
---|
| 3598 | vector< vector<Float> > specout( freqgrp.size() ) ; |
---|
| 3599 | vector< vector<uChar> > flagout( freqgrp.size() ) ; |
---|
| 3600 | ArrayColumn<Float> specCols ; |
---|
| 3601 | specCols.attach( iter.table(), "SPECTRA" ) ; |
---|
| 3602 | ArrayColumn<uChar> flagCols ; |
---|
| 3603 | flagCols.attach( iter.table(), "FLAGTRA" ) ; |
---|
| 3604 | ifnoCol.attach( iter.table(), "IFNO" ) ; |
---|
| 3605 | ScalarColumn<uInt> polnos ; |
---|
| 3606 | polnos.attach( iter.table(), "POLNO" ) ; |
---|
[2412] | 3607 | // MDirection::ScalarColumn dircol ; |
---|
| 3608 | // dircol.attach( iter.table(), "DIRECTION" ) ; |
---|
[1819] | 3609 | uInt polno = polnos( 0 ) ; |
---|
| 3610 | //os << "POLNO iteration: " << polno << LogIO::POST ; |
---|
| 3611 | // for ( uInt igrp = 0 ; igrp < freqgrp.size() ; igrp++ ) { |
---|
| 3612 | // sizes[igrp].resize( freqgrp[igrp].size() ) ; |
---|
| 3613 | // for ( uInt imem = 0 ; imem < freqgrp[igrp].size() ; imem++ ) { |
---|
| 3614 | // for ( uInt irow = 0 ; irow < iter.table().nrow() ; irow++ ) { |
---|
| 3615 | // uInt ifno = ifnoCol( irow ) ; |
---|
| 3616 | // if ( ifno == freqgrp[igrp][imem] ) { |
---|
| 3617 | // Vector<Float> spec = specCols( irow ) ; |
---|
| 3618 | // Vector<uChar> flag = flagCols( irow ) ; |
---|
| 3619 | // vector<Float> svec ; |
---|
| 3620 | // spec.tovector( svec ) ; |
---|
| 3621 | // vector<uChar> fvec ; |
---|
| 3622 | // flag.tovector( fvec ) ; |
---|
| 3623 | // //os << "spec.size() = " << svec.size() << " fvec.size() = " << fvec.size() << LogIO::POST ; |
---|
| 3624 | // specout[igrp].insert( specout[igrp].end(), svec.begin(), svec.end() ) ; |
---|
| 3625 | // flagout[igrp].insert( flagout[igrp].end(), fvec.begin(), fvec.end() ) ; |
---|
| 3626 | // //os << "specout[" << igrp << "].size() = " << specout[igrp].size() << LogIO::POST ; |
---|
| 3627 | // sizes[igrp][imem] = spec.nelements() ; |
---|
| 3628 | // } |
---|
| 3629 | // } |
---|
| 3630 | // } |
---|
| 3631 | // for ( uInt irow = 0 ; irow < out->table().nrow() ; irow++ ) { |
---|
| 3632 | // uInt ifout = ifnoColOut( irow ) ; |
---|
| 3633 | // uInt polout = polnoColOut( irow ) ; |
---|
| 3634 | // if ( ifout == gmemid[igrp] && polout == polno ) { |
---|
| 3635 | // // set SPECTRA and FRAGTRA |
---|
| 3636 | // Vector<Float> newspec( specout[igrp] ) ; |
---|
| 3637 | // Vector<uChar> newflag( flagout[igrp] ) ; |
---|
| 3638 | // specColOut.put( irow, newspec ) ; |
---|
| 3639 | // flagColOut.put( irow, newflag ) ; |
---|
| 3640 | // // IFNO renumbering |
---|
| 3641 | // ifnoColOut.put( irow, igrp ) ; |
---|
| 3642 | // } |
---|
| 3643 | // } |
---|
| 3644 | // } |
---|
| 3645 | // get a list of number of channels for each frequency group member |
---|
| 3646 | if ( !done ) { |
---|
| 3647 | for ( uInt igrp = 0 ; igrp < freqgrp.size() ; igrp++ ) { |
---|
| 3648 | sizes[igrp].resize( freqgrp[igrp].size() ) ; |
---|
| 3649 | for ( uInt imem = 0 ; imem < freqgrp[igrp].size() ; imem++ ) { |
---|
| 3650 | for ( uInt irow = 0 ; irow < iter.table().nrow() ; irow++ ) { |
---|
| 3651 | uInt ifno = ifnoCol( irow ) ; |
---|
| 3652 | if ( ifno == freqgrp[igrp][imem] ) { |
---|
| 3653 | Vector<Float> spec = specCols( irow ) ; |
---|
| 3654 | sizes[igrp][imem] = spec.nelements() ; |
---|
| 3655 | break ; |
---|
| 3656 | } |
---|
| 3657 | } |
---|
| 3658 | } |
---|
| 3659 | } |
---|
| 3660 | done = true ; |
---|
| 3661 | } |
---|
| 3662 | // combine spectra |
---|
| 3663 | for ( uInt irow = 0 ; irow < out->table().nrow() ; irow++ ) { |
---|
| 3664 | uInt polout = polnoColOut( irow ) ; |
---|
| 3665 | if ( polout == polno ) { |
---|
| 3666 | uInt ifout = ifnoColOut( irow ) ; |
---|
[2412] | 3667 | // Vector<Double> direction = dirColOut(irow).getAngle(Unit(String("rad"))).getValue() ; |
---|
[1819] | 3668 | uInt igrp ; |
---|
| 3669 | for ( uInt jgrp = 0 ; jgrp < freqgrp.size() ; jgrp++ ) { |
---|
| 3670 | if ( ifout == gmemid[jgrp] ) { |
---|
| 3671 | igrp = jgrp ; |
---|
| 3672 | break ; |
---|
| 3673 | } |
---|
| 3674 | } |
---|
| 3675 | for ( uInt imem = 0 ; imem < freqgrp[igrp].size() ; imem++ ) { |
---|
| 3676 | for ( uInt jrow = 0 ; jrow < iter.table().nrow() ; jrow++ ) { |
---|
| 3677 | uInt ifno = ifnoCol( jrow ) ; |
---|
[2412] | 3678 | // 2012/02/17 TN |
---|
| 3679 | // Since STGrid is implemented, average doesn't consider direction |
---|
| 3680 | // when accumulating |
---|
| 3681 | // Vector<Double> tdir = dircol(jrow).getAngle(Unit(String("rad"))).getValue() ; |
---|
| 3682 | // //if ( ifno == freqgrp[igrp][imem] && allTrue( tdir == direction ) ) { |
---|
| 3683 | // Double dx = tdir[0] - direction[0] ; |
---|
| 3684 | // Double dy = tdir[1] - direction[1] ; |
---|
| 3685 | // Double dd = sqrt( dx * dx + dy * dy ) ; |
---|
[1819] | 3686 | //if ( ifno == freqgrp[igrp][imem] && allNearAbs( tdir, direction, tol ) ) { |
---|
[2412] | 3687 | // if ( ifno == freqgrp[igrp][imem] && dd <= tol ) { |
---|
| 3688 | if ( ifno == freqgrp[igrp][imem] ) { |
---|
[1819] | 3689 | Vector<Float> spec = specCols( jrow ) ; |
---|
| 3690 | Vector<uChar> flag = flagCols( jrow ) ; |
---|
| 3691 | vector<Float> svec ; |
---|
| 3692 | spec.tovector( svec ) ; |
---|
| 3693 | vector<uChar> fvec ; |
---|
| 3694 | flag.tovector( fvec ) ; |
---|
| 3695 | //os << "spec.size() = " << svec.size() << " fvec.size() = " << fvec.size() << LogIO::POST ; |
---|
| 3696 | specout[igrp].insert( specout[igrp].end(), svec.begin(), svec.end() ) ; |
---|
| 3697 | flagout[igrp].insert( flagout[igrp].end(), fvec.begin(), fvec.end() ) ; |
---|
| 3698 | //os << "specout[" << igrp << "].size() = " << specout[igrp].size() << LogIO::POST ; |
---|
| 3699 | } |
---|
| 3700 | } |
---|
| 3701 | } |
---|
| 3702 | // set SPECTRA and FRAGTRA |
---|
| 3703 | Vector<Float> newspec( specout[igrp] ) ; |
---|
| 3704 | Vector<uChar> newflag( flagout[igrp] ) ; |
---|
| 3705 | specColOut.put( irow, newspec ) ; |
---|
| 3706 | flagColOut.put( irow, newflag ) ; |
---|
| 3707 | // IFNO renumbering |
---|
| 3708 | ifnoColOut.put( irow, igrp ) ; |
---|
| 3709 | } |
---|
| 3710 | } |
---|
| 3711 | iter++ ; |
---|
| 3712 | } |
---|
| 3713 | // update FREQUENCIES subtable |
---|
| 3714 | vector<bool> updated( freqgrp.size(), false ) ; |
---|
| 3715 | for ( uInt igrp = 0 ; igrp < freqgrp.size() ; igrp++ ) { |
---|
| 3716 | uInt index = 0 ; |
---|
| 3717 | uInt pixShift = 0 ; |
---|
| 3718 | while ( freqgrp[igrp][index] != gmemid[igrp] ) { |
---|
| 3719 | pixShift += sizes[igrp][index++] ; |
---|
| 3720 | } |
---|
| 3721 | for ( uInt irow = 0 ; irow < out->table().nrow() ; irow++ ) { |
---|
| 3722 | if ( ifnoColOut( irow ) == gmemid[igrp] && !updated[igrp] ) { |
---|
| 3723 | uInt freqidOut = freqidColOut( irow ) ; |
---|
| 3724 | //os << "freqgrp " << igrp << " freqidOut = " << freqidOut << LogIO::POST ; |
---|
| 3725 | double refpix ; |
---|
| 3726 | double refval ; |
---|
| 3727 | double increm ; |
---|
| 3728 | out->frequencies().getEntry( refpix, refval, increm, freqidOut ) ; |
---|
| 3729 | refpix += pixShift ; |
---|
| 3730 | out->frequencies().setEntry( refpix, refval, increm, freqidOut ) ; |
---|
| 3731 | updated[igrp] = true ; |
---|
| 3732 | } |
---|
| 3733 | } |
---|
| 3734 | } |
---|
| 3735 | |
---|
| 3736 | //out = tmpout ; |
---|
| 3737 | |
---|
| 3738 | coordinfo = tmpout->getCoordInfo() ; |
---|
| 3739 | coordinfo[0] = oldinfo[0] ; |
---|
| 3740 | tmpout->setCoordInfo( coordinfo ) ; |
---|
| 3741 | } |
---|
| 3742 | else { |
---|
| 3743 | // simple average |
---|
| 3744 | out = average( in, mask, weight, avmode ) ; |
---|
| 3745 | } |
---|
| 3746 | |
---|
[2345] | 3747 | return out; |
---|
[1819] | 3748 | } |
---|
| 3749 | |
---|
| 3750 | CountedPtr<Scantable> STMath::cwcal( const CountedPtr<Scantable>& s, |
---|
| 3751 | const String calmode, |
---|
| 3752 | const String antname ) |
---|
| 3753 | { |
---|
| 3754 | // frequency switch |
---|
| 3755 | if ( calmode == "fs" ) { |
---|
| 3756 | return cwcalfs( s, antname ) ; |
---|
| 3757 | } |
---|
| 3758 | else { |
---|
| 3759 | vector<bool> masks = s->getMask( 0 ) ; |
---|
| 3760 | vector<int> types ; |
---|
| 3761 | |
---|
| 3762 | // sky scan |
---|
| 3763 | STSelector sel = STSelector() ; |
---|
| 3764 | types.push_back( SrcType::SKY ) ; |
---|
| 3765 | sel.setTypes( types ) ; |
---|
| 3766 | s->setSelection( sel ) ; |
---|
| 3767 | vector< CountedPtr<Scantable> > tmp( 1, getScantable( s, false ) ) ; |
---|
| 3768 | CountedPtr<Scantable> asky = average( tmp, masks, "TINT", "SCAN" ) ; |
---|
| 3769 | s->unsetSelection() ; |
---|
| 3770 | sel.reset() ; |
---|
| 3771 | types.clear() ; |
---|
| 3772 | |
---|
| 3773 | // hot scan |
---|
| 3774 | types.push_back( SrcType::HOT ) ; |
---|
| 3775 | sel.setTypes( types ) ; |
---|
| 3776 | s->setSelection( sel ) ; |
---|
| 3777 | tmp.clear() ; |
---|
| 3778 | tmp.push_back( getScantable( s, false ) ) ; |
---|
| 3779 | CountedPtr<Scantable> ahot = average( tmp, masks, "TINT", "SCAN" ) ; |
---|
| 3780 | s->unsetSelection() ; |
---|
| 3781 | sel.reset() ; |
---|
| 3782 | types.clear() ; |
---|
| 3783 | |
---|
| 3784 | // cold scan |
---|
| 3785 | CountedPtr<Scantable> acold ; |
---|
| 3786 | // types.push_back( SrcType::COLD ) ; |
---|
| 3787 | // sel.setTypes( types ) ; |
---|
| 3788 | // s->setSelection( sel ) ; |
---|
| 3789 | // tmp.clear() ; |
---|
| 3790 | // tmp.push_back( getScantable( s, false ) ) ; |
---|
| 3791 | // CountedPtr<Scantable> acold = average( tmp, masks, "TINT", "SCNAN" ) ; |
---|
| 3792 | // s->unsetSelection() ; |
---|
| 3793 | // sel.reset() ; |
---|
| 3794 | // types.clear() ; |
---|
| 3795 | |
---|
| 3796 | // off scan |
---|
| 3797 | types.push_back( SrcType::PSOFF ) ; |
---|
| 3798 | sel.setTypes( types ) ; |
---|
| 3799 | s->setSelection( sel ) ; |
---|
| 3800 | tmp.clear() ; |
---|
| 3801 | tmp.push_back( getScantable( s, false ) ) ; |
---|
| 3802 | CountedPtr<Scantable> aoff = average( tmp, masks, "TINT", "SCAN" ) ; |
---|
| 3803 | s->unsetSelection() ; |
---|
| 3804 | sel.reset() ; |
---|
| 3805 | types.clear() ; |
---|
| 3806 | |
---|
| 3807 | // on scan |
---|
| 3808 | bool insitu = insitu_ ; |
---|
| 3809 | insitu_ = false ; |
---|
| 3810 | CountedPtr<Scantable> out = getScantable( s, true ) ; |
---|
| 3811 | insitu_ = insitu ; |
---|
| 3812 | types.push_back( SrcType::PSON ) ; |
---|
| 3813 | sel.setTypes( types ) ; |
---|
| 3814 | s->setSelection( sel ) ; |
---|
| 3815 | TableCopy::copyRows( out->table(), s->table() ) ; |
---|
| 3816 | s->unsetSelection() ; |
---|
| 3817 | sel.reset() ; |
---|
| 3818 | types.clear() ; |
---|
| 3819 | |
---|
| 3820 | // process each on scan |
---|
| 3821 | ArrayColumn<Float> tsysCol ; |
---|
| 3822 | tsysCol.attach( out->table(), "TSYS" ) ; |
---|
| 3823 | for ( int i = 0 ; i < out->nrow() ; i++ ) { |
---|
| 3824 | vector<float> sp = getCalibratedSpectra( out, aoff, asky, ahot, acold, i, antname ) ; |
---|
| 3825 | out->setSpectrum( sp, i ) ; |
---|
| 3826 | string reftime = out->getTime( i ) ; |
---|
| 3827 | vector<int> ii( 1, out->getIF( i ) ) ; |
---|
| 3828 | vector<int> ib( 1, out->getBeam( i ) ) ; |
---|
| 3829 | vector<int> ip( 1, out->getPol( i ) ) ; |
---|
| 3830 | sel.setIFs( ii ) ; |
---|
| 3831 | sel.setBeams( ib ) ; |
---|
| 3832 | sel.setPolarizations( ip ) ; |
---|
| 3833 | asky->setSelection( sel ) ; |
---|
| 3834 | vector<float> sptsys = getTsysFromTime( reftime, asky, "linear" ) ; |
---|
| 3835 | const Vector<Float> Vtsys( sptsys ) ; |
---|
| 3836 | tsysCol.put( i, Vtsys ) ; |
---|
| 3837 | asky->unsetSelection() ; |
---|
| 3838 | sel.reset() ; |
---|
| 3839 | } |
---|
| 3840 | |
---|
| 3841 | // flux unit |
---|
| 3842 | out->setFluxUnit( "K" ) ; |
---|
| 3843 | |
---|
| 3844 | return out ; |
---|
| 3845 | } |
---|
| 3846 | } |
---|
| 3847 | |
---|
| 3848 | CountedPtr<Scantable> STMath::almacal( const CountedPtr<Scantable>& s, |
---|
| 3849 | const String calmode ) |
---|
| 3850 | { |
---|
| 3851 | // frequency switch |
---|
| 3852 | if ( calmode == "fs" ) { |
---|
| 3853 | return almacalfs( s ) ; |
---|
| 3854 | } |
---|
| 3855 | else { |
---|
| 3856 | vector<bool> masks = s->getMask( 0 ) ; |
---|
| 3857 | |
---|
| 3858 | // off scan |
---|
| 3859 | STSelector sel = STSelector() ; |
---|
| 3860 | vector<int> types ; |
---|
| 3861 | types.push_back( SrcType::PSOFF ) ; |
---|
| 3862 | sel.setTypes( types ) ; |
---|
| 3863 | s->setSelection( sel ) ; |
---|
| 3864 | // TODO 2010/01/08 TN |
---|
| 3865 | // Grouping by time should be needed before averaging. |
---|
| 3866 | // Each group must have own unique SCANNO (should be renumbered). |
---|
| 3867 | // See PIPELINE/SDCalibration.py |
---|
| 3868 | CountedPtr<Scantable> soff = getScantable( s, false ) ; |
---|
| 3869 | Table ttab = soff->table() ; |
---|
| 3870 | ROScalarColumn<Double> timeCol( ttab, "TIME" ) ; |
---|
| 3871 | uInt nrow = timeCol.nrow() ; |
---|
| 3872 | Vector<Double> timeSep( nrow - 1 ) ; |
---|
| 3873 | for ( uInt i = 0 ; i < nrow - 1 ; i++ ) { |
---|
| 3874 | timeSep[i] = timeCol(i+1) - timeCol(i) ; |
---|
| 3875 | } |
---|
| 3876 | ScalarColumn<Double> intervalCol( ttab, "INTERVAL" ) ; |
---|
| 3877 | Vector<Double> interval = intervalCol.getColumn() ; |
---|
| 3878 | interval /= 86400.0 ; |
---|
| 3879 | ScalarColumn<uInt> scanCol( ttab, "SCANNO" ) ; |
---|
| 3880 | vector<uInt> glist ; |
---|
| 3881 | for ( uInt i = 0 ; i < nrow - 1 ; i++ ) { |
---|
| 3882 | double gap = 2.0 * timeSep[i] / ( interval[i] + interval[i+1] ) ; |
---|
| 3883 | //cout << "gap[" << i << "]=" << setw(5) << gap << endl ; |
---|
| 3884 | if ( gap > 1.1 ) { |
---|
| 3885 | glist.push_back( i ) ; |
---|
| 3886 | } |
---|
| 3887 | } |
---|
| 3888 | Vector<uInt> gaplist( glist ) ; |
---|
| 3889 | //cout << "gaplist = " << gaplist << endl ; |
---|
| 3890 | uInt newid = 0 ; |
---|
| 3891 | for ( uInt i = 0 ; i < nrow ; i++ ) { |
---|
| 3892 | scanCol.put( i, newid ) ; |
---|
| 3893 | if ( i == gaplist[newid] ) { |
---|
| 3894 | newid++ ; |
---|
| 3895 | } |
---|
| 3896 | } |
---|
| 3897 | //cout << "new scancol = " << scanCol.getColumn() << endl ; |
---|
| 3898 | vector< CountedPtr<Scantable> > tmp( 1, soff ) ; |
---|
| 3899 | CountedPtr<Scantable> aoff = average( tmp, masks, "TINT", "SCAN" ) ; |
---|
| 3900 | //cout << "aoff.nrow = " << aoff->nrow() << endl ; |
---|
| 3901 | s->unsetSelection() ; |
---|
| 3902 | sel.reset() ; |
---|
| 3903 | types.clear() ; |
---|
| 3904 | |
---|
| 3905 | // on scan |
---|
| 3906 | bool insitu = insitu_ ; |
---|
| 3907 | insitu_ = false ; |
---|
| 3908 | CountedPtr<Scantable> out = getScantable( s, true ) ; |
---|
| 3909 | insitu_ = insitu ; |
---|
| 3910 | types.push_back( SrcType::PSON ) ; |
---|
| 3911 | sel.setTypes( types ) ; |
---|
| 3912 | s->setSelection( sel ) ; |
---|
| 3913 | TableCopy::copyRows( out->table(), s->table() ) ; |
---|
| 3914 | s->unsetSelection() ; |
---|
| 3915 | sel.reset() ; |
---|
| 3916 | types.clear() ; |
---|
| 3917 | |
---|
| 3918 | // process each on scan |
---|
| 3919 | ArrayColumn<Float> tsysCol ; |
---|
| 3920 | tsysCol.attach( out->table(), "TSYS" ) ; |
---|
| 3921 | for ( int i = 0 ; i < out->nrow() ; i++ ) { |
---|
| 3922 | vector<float> sp = getCalibratedSpectra( out, aoff, i ) ; |
---|
| 3923 | out->setSpectrum( sp, i ) ; |
---|
| 3924 | } |
---|
| 3925 | |
---|
| 3926 | // flux unit |
---|
| 3927 | out->setFluxUnit( "K" ) ; |
---|
| 3928 | |
---|
| 3929 | return out ; |
---|
| 3930 | } |
---|
| 3931 | } |
---|
| 3932 | |
---|
| 3933 | CountedPtr<Scantable> STMath::cwcalfs( const CountedPtr<Scantable>& s, |
---|
| 3934 | const String antname ) |
---|
| 3935 | { |
---|
| 3936 | vector<int> types ; |
---|
| 3937 | |
---|
| 3938 | // APEX calibration mode |
---|
| 3939 | int apexcalmode = 1 ; |
---|
| 3940 | |
---|
| 3941 | if ( antname.find( "APEX" ) != string::npos ) { |
---|
| 3942 | // check if off scan exists or not |
---|
| 3943 | STSelector sel = STSelector() ; |
---|
| 3944 | //sel.setName( offstr1 ) ; |
---|
| 3945 | types.push_back( SrcType::FLOOFF ) ; |
---|
| 3946 | sel.setTypes( types ) ; |
---|
| 3947 | try { |
---|
| 3948 | s->setSelection( sel ) ; |
---|
| 3949 | } |
---|
| 3950 | catch ( AipsError &e ) { |
---|
| 3951 | apexcalmode = 0 ; |
---|
| 3952 | } |
---|
| 3953 | sel.reset() ; |
---|
| 3954 | } |
---|
| 3955 | s->unsetSelection() ; |
---|
| 3956 | types.clear() ; |
---|
| 3957 | |
---|
| 3958 | vector<bool> masks = s->getMask( 0 ) ; |
---|
| 3959 | CountedPtr<Scantable> ssig, sref ; |
---|
| 3960 | CountedPtr<Scantable> out ; |
---|
| 3961 | |
---|
| 3962 | if ( antname.find( "APEX" ) != string::npos ) { |
---|
| 3963 | // APEX calibration |
---|
| 3964 | // sky scan |
---|
| 3965 | STSelector sel = STSelector() ; |
---|
| 3966 | types.push_back( SrcType::FLOSKY ) ; |
---|
| 3967 | sel.setTypes( types ) ; |
---|
| 3968 | s->setSelection( sel ) ; |
---|
| 3969 | vector< CountedPtr<Scantable> > tmp( 1, getScantable( s, false ) ) ; |
---|
| 3970 | CountedPtr<Scantable> askylo = average( tmp, masks, "TINT", "SCAN" ) ; |
---|
| 3971 | s->unsetSelection() ; |
---|
| 3972 | sel.reset() ; |
---|
| 3973 | types.clear() ; |
---|
| 3974 | types.push_back( SrcType::FHISKY ) ; |
---|
| 3975 | sel.setTypes( types ) ; |
---|
| 3976 | s->setSelection( sel ) ; |
---|
| 3977 | tmp.clear() ; |
---|
| 3978 | tmp.push_back( getScantable( s, false ) ) ; |
---|
| 3979 | CountedPtr<Scantable> askyhi = average( tmp, masks, "TINT", "SCAN" ) ; |
---|
| 3980 | s->unsetSelection() ; |
---|
| 3981 | sel.reset() ; |
---|
| 3982 | types.clear() ; |
---|
| 3983 | |
---|
| 3984 | // hot scan |
---|
| 3985 | types.push_back( SrcType::FLOHOT ) ; |
---|
| 3986 | sel.setTypes( types ) ; |
---|
| 3987 | s->setSelection( sel ) ; |
---|
| 3988 | tmp.clear() ; |
---|
| 3989 | tmp.push_back( getScantable( s, false ) ) ; |
---|
| 3990 | CountedPtr<Scantable> ahotlo = average( tmp, masks, "TINT", "SCAN" ) ; |
---|
| 3991 | s->unsetSelection() ; |
---|
| 3992 | sel.reset() ; |
---|
| 3993 | types.clear() ; |
---|
| 3994 | types.push_back( SrcType::FHIHOT ) ; |
---|
| 3995 | sel.setTypes( types ) ; |
---|
| 3996 | s->setSelection( sel ) ; |
---|
| 3997 | tmp.clear() ; |
---|
| 3998 | tmp.push_back( getScantable( s, false ) ) ; |
---|
| 3999 | CountedPtr<Scantable> ahothi = average( tmp, masks, "TINT", "SCAN" ) ; |
---|
| 4000 | s->unsetSelection() ; |
---|
| 4001 | sel.reset() ; |
---|
| 4002 | types.clear() ; |
---|
| 4003 | |
---|
| 4004 | // cold scan |
---|
| 4005 | CountedPtr<Scantable> acoldlo, acoldhi ; |
---|
| 4006 | // types.push_back( SrcType::FLOCOLD ) ; |
---|
| 4007 | // sel.setTypes( types ) ; |
---|
| 4008 | // s->setSelection( sel ) ; |
---|
| 4009 | // tmp.clear() ; |
---|
| 4010 | // tmp.push_back( getScantable( s, false ) ) ; |
---|
| 4011 | // CountedPtr<Scantable> acoldlo = average( tmp, masks, "TINT", "SCAN" ) ; |
---|
| 4012 | // s->unsetSelection() ; |
---|
| 4013 | // sel.reset() ; |
---|
| 4014 | // types.clear() ; |
---|
| 4015 | // types.push_back( SrcType::FHICOLD ) ; |
---|
| 4016 | // sel.setTypes( types ) ; |
---|
| 4017 | // s->setSelection( sel ) ; |
---|
| 4018 | // tmp.clear() ; |
---|
| 4019 | // tmp.push_back( getScantable( s, false ) ) ; |
---|
| 4020 | // CountedPtr<Scantable> acoldhi = average( tmp, masks, "TINT", "SCAN" ) ; |
---|
| 4021 | // s->unsetSelection() ; |
---|
| 4022 | // sel.reset() ; |
---|
| 4023 | // types.clear() ; |
---|
| 4024 | |
---|
| 4025 | // ref scan |
---|
| 4026 | bool insitu = insitu_ ; |
---|
| 4027 | insitu_ = false ; |
---|
| 4028 | sref = getScantable( s, true ) ; |
---|
| 4029 | insitu_ = insitu ; |
---|
| 4030 | types.push_back( SrcType::FSLO ) ; |
---|
| 4031 | sel.setTypes( types ) ; |
---|
| 4032 | s->setSelection( sel ) ; |
---|
| 4033 | TableCopy::copyRows( sref->table(), s->table() ) ; |
---|
| 4034 | s->unsetSelection() ; |
---|
| 4035 | sel.reset() ; |
---|
| 4036 | types.clear() ; |
---|
| 4037 | |
---|
| 4038 | // sig scan |
---|
| 4039 | insitu_ = false ; |
---|
| 4040 | ssig = getScantable( s, true ) ; |
---|
| 4041 | insitu_ = insitu ; |
---|
| 4042 | types.push_back( SrcType::FSHI ) ; |
---|
| 4043 | sel.setTypes( types ) ; |
---|
| 4044 | s->setSelection( sel ) ; |
---|
| 4045 | TableCopy::copyRows( ssig->table(), s->table() ) ; |
---|
| 4046 | s->unsetSelection() ; |
---|
| 4047 | sel.reset() ; |
---|
| 4048 | types.clear() ; |
---|
| 4049 | |
---|
| 4050 | if ( apexcalmode == 0 ) { |
---|
| 4051 | // APEX fs data without off scan |
---|
| 4052 | // process each sig and ref scan |
---|
| 4053 | ArrayColumn<Float> tsysCollo ; |
---|
| 4054 | tsysCollo.attach( ssig->table(), "TSYS" ) ; |
---|
| 4055 | ArrayColumn<Float> tsysColhi ; |
---|
| 4056 | tsysColhi.attach( sref->table(), "TSYS" ) ; |
---|
| 4057 | for ( int i = 0 ; i < ssig->nrow() ; i++ ) { |
---|
| 4058 | vector< CountedPtr<Scantable> > sky( 2 ) ; |
---|
| 4059 | sky[0] = askylo ; |
---|
| 4060 | sky[1] = askyhi ; |
---|
| 4061 | vector< CountedPtr<Scantable> > hot( 2 ) ; |
---|
| 4062 | hot[0] = ahotlo ; |
---|
| 4063 | hot[1] = ahothi ; |
---|
| 4064 | vector< CountedPtr<Scantable> > cold( 2 ) ; |
---|
| 4065 | //cold[0] = acoldlo ; |
---|
| 4066 | //cold[1] = acoldhi ; |
---|
| 4067 | vector<float> sp = getFSCalibratedSpectra( ssig, sref, sky, hot, cold, i ) ; |
---|
| 4068 | ssig->setSpectrum( sp, i ) ; |
---|
| 4069 | string reftime = ssig->getTime( i ) ; |
---|
| 4070 | vector<int> ii( 1, ssig->getIF( i ) ) ; |
---|
| 4071 | vector<int> ib( 1, ssig->getBeam( i ) ) ; |
---|
| 4072 | vector<int> ip( 1, ssig->getPol( i ) ) ; |
---|
| 4073 | sel.setIFs( ii ) ; |
---|
| 4074 | sel.setBeams( ib ) ; |
---|
| 4075 | sel.setPolarizations( ip ) ; |
---|
| 4076 | askylo->setSelection( sel ) ; |
---|
| 4077 | vector<float> sptsys = getTsysFromTime( reftime, askylo, "linear" ) ; |
---|
| 4078 | const Vector<Float> Vtsyslo( sptsys ) ; |
---|
| 4079 | tsysCollo.put( i, Vtsyslo ) ; |
---|
| 4080 | askylo->unsetSelection() ; |
---|
| 4081 | sel.reset() ; |
---|
| 4082 | sky[0] = askyhi ; |
---|
| 4083 | sky[1] = askylo ; |
---|
| 4084 | hot[0] = ahothi ; |
---|
| 4085 | hot[1] = ahotlo ; |
---|
| 4086 | cold[0] = acoldhi ; |
---|
| 4087 | cold[1] = acoldlo ; |
---|
| 4088 | sp = getFSCalibratedSpectra( sref, ssig, sky, hot, cold, i ) ; |
---|
| 4089 | sref->setSpectrum( sp, i ) ; |
---|
| 4090 | reftime = sref->getTime( i ) ; |
---|
| 4091 | ii[0] = sref->getIF( i ) ; |
---|
| 4092 | ib[0] = sref->getBeam( i ) ; |
---|
| 4093 | ip[0] = sref->getPol( i ) ; |
---|
| 4094 | sel.setIFs( ii ) ; |
---|
| 4095 | sel.setBeams( ib ) ; |
---|
| 4096 | sel.setPolarizations( ip ) ; |
---|
| 4097 | askyhi->setSelection( sel ) ; |
---|
| 4098 | sptsys = getTsysFromTime( reftime, askyhi, "linear" ) ; |
---|
| 4099 | const Vector<Float> Vtsyshi( sptsys ) ; |
---|
| 4100 | tsysColhi.put( i, Vtsyshi ) ; |
---|
| 4101 | askyhi->unsetSelection() ; |
---|
| 4102 | sel.reset() ; |
---|
| 4103 | } |
---|
| 4104 | } |
---|
| 4105 | else if ( apexcalmode == 1 ) { |
---|
| 4106 | // APEX fs data with off scan |
---|
| 4107 | // off scan |
---|
| 4108 | types.push_back( SrcType::FLOOFF ) ; |
---|
| 4109 | sel.setTypes( types ) ; |
---|
| 4110 | s->setSelection( sel ) ; |
---|
| 4111 | tmp.clear() ; |
---|
| 4112 | tmp.push_back( getScantable( s, false ) ) ; |
---|
| 4113 | CountedPtr<Scantable> aofflo = average( tmp, masks, "TINT", "SCAN" ) ; |
---|
| 4114 | s->unsetSelection() ; |
---|
| 4115 | sel.reset() ; |
---|
| 4116 | types.clear() ; |
---|
| 4117 | types.push_back( SrcType::FHIOFF ) ; |
---|
| 4118 | sel.setTypes( types ) ; |
---|
| 4119 | s->setSelection( sel ) ; |
---|
| 4120 | tmp.clear() ; |
---|
| 4121 | tmp.push_back( getScantable( s, false ) ) ; |
---|
| 4122 | CountedPtr<Scantable> aoffhi = average( tmp, masks, "TINT", "SCAN" ) ; |
---|
| 4123 | s->unsetSelection() ; |
---|
| 4124 | sel.reset() ; |
---|
| 4125 | types.clear() ; |
---|
| 4126 | |
---|
| 4127 | // process each sig and ref scan |
---|
| 4128 | ArrayColumn<Float> tsysCollo ; |
---|
| 4129 | tsysCollo.attach( ssig->table(), "TSYS" ) ; |
---|
| 4130 | ArrayColumn<Float> tsysColhi ; |
---|
| 4131 | tsysColhi.attach( sref->table(), "TSYS" ) ; |
---|
| 4132 | for ( int i = 0 ; i < ssig->nrow() ; i++ ) { |
---|
| 4133 | vector<float> sp = getCalibratedSpectra( ssig, aofflo, askylo, ahotlo, acoldlo, i, antname ) ; |
---|
| 4134 | ssig->setSpectrum( sp, i ) ; |
---|
| 4135 | sp = getCalibratedSpectra( sref, aoffhi, askyhi, ahothi, acoldhi, i, antname ) ; |
---|
| 4136 | string reftime = ssig->getTime( i ) ; |
---|
| 4137 | vector<int> ii( 1, ssig->getIF( i ) ) ; |
---|
| 4138 | vector<int> ib( 1, ssig->getBeam( i ) ) ; |
---|
| 4139 | vector<int> ip( 1, ssig->getPol( i ) ) ; |
---|
| 4140 | sel.setIFs( ii ) ; |
---|
| 4141 | sel.setBeams( ib ) ; |
---|
| 4142 | sel.setPolarizations( ip ) ; |
---|
| 4143 | askylo->setSelection( sel ) ; |
---|
| 4144 | vector<float> sptsys = getTsysFromTime( reftime, askylo, "linear" ) ; |
---|
| 4145 | const Vector<Float> Vtsyslo( sptsys ) ; |
---|
| 4146 | tsysCollo.put( i, Vtsyslo ) ; |
---|
| 4147 | askylo->unsetSelection() ; |
---|
| 4148 | sel.reset() ; |
---|
| 4149 | sref->setSpectrum( sp, i ) ; |
---|
| 4150 | reftime = sref->getTime( i ) ; |
---|
| 4151 | ii[0] = sref->getIF( i ) ; |
---|
| 4152 | ib[0] = sref->getBeam( i ) ; |
---|
| 4153 | ip[0] = sref->getPol( i ) ; |
---|
| 4154 | sel.setIFs( ii ) ; |
---|
| 4155 | sel.setBeams( ib ) ; |
---|
| 4156 | sel.setPolarizations( ip ) ; |
---|
| 4157 | askyhi->setSelection( sel ) ; |
---|
| 4158 | sptsys = getTsysFromTime( reftime, askyhi, "linear" ) ; |
---|
| 4159 | const Vector<Float> Vtsyshi( sptsys ) ; |
---|
| 4160 | tsysColhi.put( i, Vtsyshi ) ; |
---|
| 4161 | askyhi->unsetSelection() ; |
---|
| 4162 | sel.reset() ; |
---|
| 4163 | } |
---|
| 4164 | } |
---|
| 4165 | } |
---|
| 4166 | else { |
---|
| 4167 | // non-APEX fs data |
---|
| 4168 | // sky scan |
---|
| 4169 | STSelector sel = STSelector() ; |
---|
| 4170 | types.push_back( SrcType::SKY ) ; |
---|
| 4171 | sel.setTypes( types ) ; |
---|
| 4172 | s->setSelection( sel ) ; |
---|
| 4173 | vector< CountedPtr<Scantable> > tmp( 1, getScantable( s, false ) ) ; |
---|
| 4174 | CountedPtr<Scantable> asky = average( tmp, masks, "TINT", "SCAN" ) ; |
---|
| 4175 | s->unsetSelection() ; |
---|
| 4176 | sel.reset() ; |
---|
| 4177 | types.clear() ; |
---|
| 4178 | |
---|
| 4179 | // hot scan |
---|
| 4180 | types.push_back( SrcType::HOT ) ; |
---|
| 4181 | sel.setTypes( types ) ; |
---|
| 4182 | s->setSelection( sel ) ; |
---|
| 4183 | tmp.clear() ; |
---|
| 4184 | tmp.push_back( getScantable( s, false ) ) ; |
---|
| 4185 | CountedPtr<Scantable> ahot = average( tmp, masks, "TINT", "SCAN" ) ; |
---|
| 4186 | s->unsetSelection() ; |
---|
| 4187 | sel.reset() ; |
---|
| 4188 | types.clear() ; |
---|
| 4189 | |
---|
| 4190 | // cold scan |
---|
| 4191 | CountedPtr<Scantable> acold ; |
---|
| 4192 | // types.push_back( SrcType::COLD ) ; |
---|
| 4193 | // sel.setTypes( types ) ; |
---|
| 4194 | // s->setSelection( sel ) ; |
---|
| 4195 | // tmp.clear() ; |
---|
| 4196 | // tmp.push_back( getScantable( s, false ) ) ; |
---|
| 4197 | // CountedPtr<Scantable> acold = average( tmp, masks, "TINT", "SCAN" ) ; |
---|
| 4198 | // s->unsetSelection() ; |
---|
| 4199 | // sel.reset() ; |
---|
| 4200 | // types.clear() ; |
---|
| 4201 | |
---|
| 4202 | // ref scan |
---|
| 4203 | bool insitu = insitu_ ; |
---|
| 4204 | insitu_ = false ; |
---|
| 4205 | sref = getScantable( s, true ) ; |
---|
| 4206 | insitu_ = insitu ; |
---|
| 4207 | types.push_back( SrcType::FSOFF ) ; |
---|
| 4208 | sel.setTypes( types ) ; |
---|
| 4209 | s->setSelection( sel ) ; |
---|
| 4210 | TableCopy::copyRows( sref->table(), s->table() ) ; |
---|
| 4211 | s->unsetSelection() ; |
---|
| 4212 | sel.reset() ; |
---|
| 4213 | types.clear() ; |
---|
| 4214 | |
---|
| 4215 | // sig scan |
---|
| 4216 | insitu_ = false ; |
---|
| 4217 | ssig = getScantable( s, true ) ; |
---|
| 4218 | insitu_ = insitu ; |
---|
| 4219 | types.push_back( SrcType::FSON ) ; |
---|
| 4220 | sel.setTypes( types ) ; |
---|
| 4221 | s->setSelection( sel ) ; |
---|
| 4222 | TableCopy::copyRows( ssig->table(), s->table() ) ; |
---|
| 4223 | s->unsetSelection() ; |
---|
| 4224 | sel.reset() ; |
---|
| 4225 | types.clear() ; |
---|
| 4226 | |
---|
| 4227 | // process each sig and ref scan |
---|
| 4228 | ArrayColumn<Float> tsysColsig ; |
---|
| 4229 | tsysColsig.attach( ssig->table(), "TSYS" ) ; |
---|
| 4230 | ArrayColumn<Float> tsysColref ; |
---|
| 4231 | tsysColref.attach( ssig->table(), "TSYS" ) ; |
---|
| 4232 | for ( int i = 0 ; i < ssig->nrow() ; i++ ) { |
---|
| 4233 | vector<float> sp = getFSCalibratedSpectra( ssig, sref, asky, ahot, acold, i ) ; |
---|
| 4234 | ssig->setSpectrum( sp, i ) ; |
---|
| 4235 | string reftime = ssig->getTime( i ) ; |
---|
| 4236 | vector<int> ii( 1, ssig->getIF( i ) ) ; |
---|
| 4237 | vector<int> ib( 1, ssig->getBeam( i ) ) ; |
---|
| 4238 | vector<int> ip( 1, ssig->getPol( i ) ) ; |
---|
| 4239 | sel.setIFs( ii ) ; |
---|
| 4240 | sel.setBeams( ib ) ; |
---|
| 4241 | sel.setPolarizations( ip ) ; |
---|
| 4242 | asky->setSelection( sel ) ; |
---|
| 4243 | vector<float> sptsys = getTsysFromTime( reftime, asky, "linear" ) ; |
---|
| 4244 | const Vector<Float> Vtsys( sptsys ) ; |
---|
| 4245 | tsysColsig.put( i, Vtsys ) ; |
---|
| 4246 | asky->unsetSelection() ; |
---|
| 4247 | sel.reset() ; |
---|
| 4248 | sp = getFSCalibratedSpectra( sref, ssig, asky, ahot, acold, i ) ; |
---|
| 4249 | sref->setSpectrum( sp, i ) ; |
---|
| 4250 | tsysColref.put( i, Vtsys ) ; |
---|
| 4251 | } |
---|
| 4252 | } |
---|
| 4253 | |
---|
| 4254 | // do folding if necessary |
---|
| 4255 | Table sigtab = ssig->table() ; |
---|
| 4256 | Table reftab = sref->table() ; |
---|
| 4257 | ScalarColumn<uInt> sigifnoCol ; |
---|
| 4258 | ScalarColumn<uInt> refifnoCol ; |
---|
| 4259 | ScalarColumn<uInt> sigfidCol ; |
---|
| 4260 | ScalarColumn<uInt> reffidCol ; |
---|
| 4261 | Int nchan = (Int)ssig->nchan() ; |
---|
| 4262 | sigifnoCol.attach( sigtab, "IFNO" ) ; |
---|
| 4263 | refifnoCol.attach( reftab, "IFNO" ) ; |
---|
| 4264 | sigfidCol.attach( sigtab, "FREQ_ID" ) ; |
---|
| 4265 | reffidCol.attach( reftab, "FREQ_ID" ) ; |
---|
| 4266 | Vector<uInt> sfids( sigfidCol.getColumn() ) ; |
---|
| 4267 | Vector<uInt> rfids( reffidCol.getColumn() ) ; |
---|
| 4268 | vector<uInt> sfids_unique ; |
---|
| 4269 | vector<uInt> rfids_unique ; |
---|
| 4270 | vector<uInt> sifno_unique ; |
---|
| 4271 | vector<uInt> rifno_unique ; |
---|
| 4272 | for ( uInt i = 0 ; i < sfids.nelements() ; i++ ) { |
---|
| 4273 | if ( count( sfids_unique.begin(), sfids_unique.end(), sfids[i] ) == 0 ) { |
---|
| 4274 | sfids_unique.push_back( sfids[i] ) ; |
---|
| 4275 | sifno_unique.push_back( ssig->getIF( i ) ) ; |
---|
| 4276 | } |
---|
| 4277 | if ( count( rfids_unique.begin(), rfids_unique.end(), rfids[i] ) == 0 ) { |
---|
| 4278 | rfids_unique.push_back( rfids[i] ) ; |
---|
| 4279 | rifno_unique.push_back( sref->getIF( i ) ) ; |
---|
| 4280 | } |
---|
| 4281 | } |
---|
| 4282 | double refpix_sig, refval_sig, increment_sig ; |
---|
| 4283 | double refpix_ref, refval_ref, increment_ref ; |
---|
| 4284 | vector< CountedPtr<Scantable> > tmp( sfids_unique.size() ) ; |
---|
| 4285 | for ( uInt i = 0 ; i < sfids_unique.size() ; i++ ) { |
---|
| 4286 | ssig->frequencies().getEntry( refpix_sig, refval_sig, increment_sig, sfids_unique[i] ) ; |
---|
| 4287 | sref->frequencies().getEntry( refpix_ref, refval_ref, increment_ref, rfids_unique[i] ) ; |
---|
| 4288 | if ( refpix_sig == refpix_ref ) { |
---|
| 4289 | double foffset = refval_ref - refval_sig ; |
---|
| 4290 | int choffset = static_cast<int>(foffset/increment_sig) ; |
---|
| 4291 | double doffset = foffset / increment_sig ; |
---|
| 4292 | if ( abs(choffset) >= nchan ) { |
---|
| 4293 | LogIO os( LogOrigin( "STMath", "cwcalfs", WHERE ) ) ; |
---|
| 4294 | os << "FREQ_ID=[" << sfids_unique[i] << "," << rfids_unique[i] << "]: out-band frequency switching, no folding" << LogIO::POST ; |
---|
| 4295 | os << "Just return signal data" << LogIO::POST ; |
---|
| 4296 | //std::vector< CountedPtr<Scantable> > tabs ; |
---|
| 4297 | //tabs.push_back( ssig ) ; |
---|
| 4298 | //tabs.push_back( sref ) ; |
---|
| 4299 | //out = merge( tabs ) ; |
---|
| 4300 | tmp[i] = ssig ; |
---|
| 4301 | } |
---|
| 4302 | else { |
---|
| 4303 | STSelector sel = STSelector() ; |
---|
| 4304 | vector<int> v( 1, sifno_unique[i] ) ; |
---|
| 4305 | sel.setIFs( v ) ; |
---|
| 4306 | ssig->setSelection( sel ) ; |
---|
| 4307 | sel.reset() ; |
---|
| 4308 | v[0] = rifno_unique[i] ; |
---|
| 4309 | sel.setIFs( v ) ; |
---|
| 4310 | sref->setSelection( sel ) ; |
---|
| 4311 | sel.reset() ; |
---|
| 4312 | if ( antname.find( "APEX" ) != string::npos ) { |
---|
| 4313 | tmp[i] = dofold( ssig, sref, 0.5*doffset, -0.5*doffset ) ; |
---|
| 4314 | //tmp[i] = dofold( ssig, sref, doffset ) ; |
---|
| 4315 | } |
---|
| 4316 | else { |
---|
| 4317 | tmp[i] = dofold( ssig, sref, doffset ) ; |
---|
| 4318 | } |
---|
| 4319 | ssig->unsetSelection() ; |
---|
| 4320 | sref->unsetSelection() ; |
---|
| 4321 | } |
---|
| 4322 | } |
---|
| 4323 | } |
---|
| 4324 | |
---|
| 4325 | if ( tmp.size() > 1 ) { |
---|
| 4326 | out = merge( tmp ) ; |
---|
| 4327 | } |
---|
| 4328 | else { |
---|
| 4329 | out = tmp[0] ; |
---|
| 4330 | } |
---|
| 4331 | |
---|
| 4332 | // flux unit |
---|
| 4333 | out->setFluxUnit( "K" ) ; |
---|
| 4334 | |
---|
| 4335 | return out ; |
---|
| 4336 | } |
---|
| 4337 | |
---|
| 4338 | CountedPtr<Scantable> STMath::almacalfs( const CountedPtr<Scantable>& s ) |
---|
| 4339 | { |
---|
[2163] | 4340 | (void) s; //currently unused |
---|
[1819] | 4341 | CountedPtr<Scantable> out ; |
---|
| 4342 | |
---|
| 4343 | return out ; |
---|
| 4344 | } |
---|
| 4345 | |
---|
| 4346 | vector<float> STMath::getSpectrumFromTime( string reftime, |
---|
| 4347 | CountedPtr<Scantable>& s, |
---|
| 4348 | string mode ) |
---|
| 4349 | { |
---|
| 4350 | LogIO os( LogOrigin( "STMath", "getSpectrumFromTime", WHERE ) ) ; |
---|
| 4351 | vector<float> sp ; |
---|
| 4352 | |
---|
| 4353 | if ( s->nrow() == 0 ) { |
---|
| 4354 | os << LogIO::SEVERE << "No spectra in the input scantable. Return empty spectrum." << LogIO::POST ; |
---|
| 4355 | return sp ; |
---|
| 4356 | } |
---|
| 4357 | else if ( s->nrow() == 1 ) { |
---|
| 4358 | //os << "use row " << 0 << " (scanno = " << s->getScan( 0 ) << ")" << LogIO::POST ; |
---|
| 4359 | return s->getSpectrum( 0 ) ; |
---|
| 4360 | } |
---|
| 4361 | else { |
---|
| 4362 | vector<int> idx = getRowIdFromTime( reftime, s ) ; |
---|
| 4363 | if ( mode == "before" ) { |
---|
| 4364 | int id = -1 ; |
---|
| 4365 | if ( idx[0] != -1 ) { |
---|
| 4366 | id = idx[0] ; |
---|
| 4367 | } |
---|
| 4368 | else if ( idx[1] != -1 ) { |
---|
| 4369 | os << LogIO::WARN << "Failed to find a scan before reftime. return a spectrum just after the reftime." << LogIO::POST ; |
---|
| 4370 | id = idx[1] ; |
---|
| 4371 | } |
---|
| 4372 | //os << "use row " << id << " (scanno = " << s->getScan( id ) << ")" << LogIO::POST ; |
---|
| 4373 | sp = s->getSpectrum( id ) ; |
---|
| 4374 | } |
---|
| 4375 | else if ( mode == "after" ) { |
---|
| 4376 | int id = -1 ; |
---|
| 4377 | if ( idx[1] != -1 ) { |
---|
| 4378 | id = idx[1] ; |
---|
| 4379 | } |
---|
| 4380 | else if ( idx[0] != -1 ) { |
---|
| 4381 | os << LogIO::WARN << "Failed to find a scan after reftime. return a spectrum just before the reftime." << LogIO::POST ; |
---|
| 4382 | id = idx[1] ; |
---|
| 4383 | } |
---|
| 4384 | //os << "use row " << id << " (scanno = " << s->getScan( id ) << ")" << LogIO::POST ; |
---|
| 4385 | sp = s->getSpectrum( id ) ; |
---|
| 4386 | } |
---|
| 4387 | else if ( mode == "nearest" ) { |
---|
| 4388 | int id = -1 ; |
---|
| 4389 | if ( idx[0] == -1 ) { |
---|
| 4390 | id = idx[1] ; |
---|
| 4391 | } |
---|
| 4392 | else if ( idx[1] == -1 ) { |
---|
| 4393 | id = idx[0] ; |
---|
| 4394 | } |
---|
| 4395 | else if ( idx[0] == idx[1] ) { |
---|
| 4396 | id = idx[0] ; |
---|
| 4397 | } |
---|
| 4398 | else { |
---|
[1967] | 4399 | //double t0 = getMJD( s->getTime( idx[0] ) ) ; |
---|
| 4400 | //double t1 = getMJD( s->getTime( idx[1] ) ) ; |
---|
| 4401 | double t0 = s->getEpoch( idx[0] ).get( Unit( "d" ) ).getValue() ; |
---|
| 4402 | double t1 = s->getEpoch( idx[1] ).get( Unit( "d" ) ).getValue() ; |
---|
[1819] | 4403 | double tref = getMJD( reftime ) ; |
---|
| 4404 | if ( abs( t0 - tref ) > abs( t1 - tref ) ) { |
---|
| 4405 | id = idx[1] ; |
---|
| 4406 | } |
---|
| 4407 | else { |
---|
| 4408 | id = idx[0] ; |
---|
| 4409 | } |
---|
| 4410 | } |
---|
| 4411 | //os << "use row " << id << " (scanno = " << s->getScan( id ) << ")" << LogIO::POST ; |
---|
| 4412 | sp = s->getSpectrum( id ) ; |
---|
| 4413 | } |
---|
| 4414 | else if ( mode == "linear" ) { |
---|
| 4415 | if ( idx[0] == -1 ) { |
---|
| 4416 | // use after |
---|
| 4417 | os << LogIO::WARN << "Failed to interpolate. return a spectrum just after the reftime." << LogIO::POST ; |
---|
| 4418 | int id = idx[1] ; |
---|
| 4419 | //os << "use row " << id << " (scanno = " << s->getScan( id ) << ")" << LogIO::POST ; |
---|
| 4420 | sp = s->getSpectrum( id ) ; |
---|
| 4421 | } |
---|
| 4422 | else if ( idx[1] == -1 ) { |
---|
| 4423 | // use before |
---|
| 4424 | os << LogIO::WARN << "Failed to interpolate. return a spectrum just before the reftime." << LogIO::POST ; |
---|
| 4425 | int id = idx[0] ; |
---|
| 4426 | //os << "use row " << id << " (scanno = " << s->getScan( id ) << ")" << LogIO::POST ; |
---|
| 4427 | sp = s->getSpectrum( id ) ; |
---|
| 4428 | } |
---|
| 4429 | else if ( idx[0] == idx[1] ) { |
---|
| 4430 | // use before |
---|
| 4431 | //os << "No need to interporate." << LogIO::POST ; |
---|
| 4432 | int id = idx[0] ; |
---|
| 4433 | //os << "use row " << id << " (scanno = " << s->getScan( id ) << ")" << LogIO::POST ; |
---|
| 4434 | sp = s->getSpectrum( id ) ; |
---|
| 4435 | } |
---|
| 4436 | else { |
---|
| 4437 | // do interpolation |
---|
| 4438 | //os << "interpolate between " << idx[0] << " and " << idx[1] << " (scanno: " << s->getScan( idx[0] ) << ", " << s->getScan( idx[1] ) << ")" << LogIO::POST ; |
---|
[1967] | 4439 | //double t0 = getMJD( s->getTime( idx[0] ) ) ; |
---|
| 4440 | //double t1 = getMJD( s->getTime( idx[1] ) ) ; |
---|
| 4441 | double t0 = s->getEpoch( idx[0] ).get( Unit( "d" ) ).getValue() ; |
---|
| 4442 | double t1 = s->getEpoch( idx[1] ).get( Unit( "d" ) ).getValue() ; |
---|
[1819] | 4443 | double tref = getMJD( reftime ) ; |
---|
| 4444 | vector<float> sp0 = s->getSpectrum( idx[0] ) ; |
---|
| 4445 | vector<float> sp1 = s->getSpectrum( idx[1] ) ; |
---|
| 4446 | for ( unsigned int i = 0 ; i < sp0.size() ; i++ ) { |
---|
| 4447 | float v = ( sp1[i] - sp0[i] ) / ( t1 - t0 ) * ( tref - t0 ) + sp0[i] ; |
---|
| 4448 | sp.push_back( v ) ; |
---|
| 4449 | } |
---|
| 4450 | } |
---|
| 4451 | } |
---|
| 4452 | else { |
---|
| 4453 | os << LogIO::SEVERE << "Unknown mode" << LogIO::POST ; |
---|
| 4454 | } |
---|
| 4455 | return sp ; |
---|
| 4456 | } |
---|
| 4457 | } |
---|
| 4458 | |
---|
| 4459 | double STMath::getMJD( string strtime ) |
---|
| 4460 | { |
---|
| 4461 | if ( strtime.find("/") == string::npos ) { |
---|
| 4462 | // MJD time string |
---|
| 4463 | return atof( strtime.c_str() ) ; |
---|
| 4464 | } |
---|
| 4465 | else { |
---|
| 4466 | // string in YYYY/MM/DD/HH:MM:SS format |
---|
| 4467 | uInt year = atoi( strtime.substr( 0, 4 ).c_str() ) ; |
---|
| 4468 | uInt month = atoi( strtime.substr( 5, 2 ).c_str() ) ; |
---|
| 4469 | uInt day = atoi( strtime.substr( 8, 2 ).c_str() ) ; |
---|
| 4470 | uInt hour = atoi( strtime.substr( 11, 2 ).c_str() ) ; |
---|
| 4471 | uInt minute = atoi( strtime.substr( 14, 2 ).c_str() ) ; |
---|
| 4472 | uInt sec = atoi( strtime.substr( 17, 2 ).c_str() ) ; |
---|
| 4473 | Time t( year, month, day, hour, minute, sec ) ; |
---|
| 4474 | return t.modifiedJulianDay() ; |
---|
| 4475 | } |
---|
| 4476 | } |
---|
| 4477 | |
---|
| 4478 | vector<int> STMath::getRowIdFromTime( string reftime, CountedPtr<Scantable> &s ) |
---|
| 4479 | { |
---|
| 4480 | double reft = getMJD( reftime ) ; |
---|
| 4481 | double dtmin = 1.0e100 ; |
---|
| 4482 | double dtmax = -1.0e100 ; |
---|
| 4483 | vector<double> dt ; |
---|
| 4484 | int just_before = -1 ; |
---|
| 4485 | int just_after = -1 ; |
---|
| 4486 | for ( int i = 0 ; i < s->nrow() ; i++ ) { |
---|
| 4487 | dt.push_back( getMJD( s->getTime( i ) ) - reft ) ; |
---|
| 4488 | } |
---|
| 4489 | for ( unsigned int i = 0 ; i < dt.size() ; i++ ) { |
---|
| 4490 | if ( dt[i] > 0.0 ) { |
---|
| 4491 | // after reftime |
---|
| 4492 | if ( dt[i] < dtmin ) { |
---|
| 4493 | just_after = i ; |
---|
| 4494 | dtmin = dt[i] ; |
---|
| 4495 | } |
---|
| 4496 | } |
---|
| 4497 | else if ( dt[i] < 0.0 ) { |
---|
| 4498 | // before reftime |
---|
| 4499 | if ( dt[i] > dtmax ) { |
---|
| 4500 | just_before = i ; |
---|
| 4501 | dtmax = dt[i] ; |
---|
| 4502 | } |
---|
| 4503 | } |
---|
| 4504 | else { |
---|
| 4505 | // just a reftime |
---|
| 4506 | just_before = i ; |
---|
| 4507 | just_after = i ; |
---|
| 4508 | dtmax = 0 ; |
---|
| 4509 | dtmin = 0 ; |
---|
| 4510 | break ; |
---|
| 4511 | } |
---|
| 4512 | } |
---|
| 4513 | |
---|
| 4514 | vector<int> v ; |
---|
| 4515 | v.push_back( just_before ) ; |
---|
| 4516 | v.push_back( just_after ) ; |
---|
| 4517 | |
---|
| 4518 | return v ; |
---|
| 4519 | } |
---|
| 4520 | |
---|
| 4521 | vector<float> STMath::getTcalFromTime( string reftime, |
---|
| 4522 | CountedPtr<Scantable>& s, |
---|
| 4523 | string mode ) |
---|
| 4524 | { |
---|
| 4525 | LogIO os( LogOrigin( "STMath", "getTcalFromTime", WHERE ) ) ; |
---|
| 4526 | vector<float> tcal ; |
---|
| 4527 | STTcal tcalTable = s->tcal() ; |
---|
| 4528 | String time ; |
---|
| 4529 | Vector<Float> tcalval ; |
---|
| 4530 | if ( s->nrow() == 0 ) { |
---|
| 4531 | os << LogIO::SEVERE << "No row in the input scantable. Return empty tcal." << LogIO::POST ; |
---|
| 4532 | return tcal ; |
---|
| 4533 | } |
---|
| 4534 | else if ( s->nrow() == 1 ) { |
---|
| 4535 | uInt tcalid = s->getTcalId( 0 ) ; |
---|
| 4536 | //os << "use row " << 0 << " (tcalid = " << tcalid << ")" << LogIO::POST ; |
---|
| 4537 | tcalTable.getEntry( time, tcalval, tcalid ) ; |
---|
| 4538 | tcalval.tovector( tcal ) ; |
---|
| 4539 | return tcal ; |
---|
| 4540 | } |
---|
| 4541 | else { |
---|
| 4542 | vector<int> idx = getRowIdFromTime( reftime, s ) ; |
---|
| 4543 | if ( mode == "before" ) { |
---|
| 4544 | int id = -1 ; |
---|
| 4545 | if ( idx[0] != -1 ) { |
---|
| 4546 | id = idx[0] ; |
---|
| 4547 | } |
---|
| 4548 | else if ( idx[1] != -1 ) { |
---|
| 4549 | os << LogIO::WARN << "Failed to find a scan before reftime. return a spectrum just after the reftime." << LogIO::POST ; |
---|
| 4550 | id = idx[1] ; |
---|
| 4551 | } |
---|
| 4552 | uInt tcalid = s->getTcalId( id ) ; |
---|
| 4553 | //os << "use row " << id << " (tcalid = " << tcalid << ")" << LogIO::POST ; |
---|
| 4554 | tcalTable.getEntry( time, tcalval, tcalid ) ; |
---|
| 4555 | tcalval.tovector( tcal ) ; |
---|
| 4556 | } |
---|
| 4557 | else if ( mode == "after" ) { |
---|
| 4558 | int id = -1 ; |
---|
| 4559 | if ( idx[1] != -1 ) { |
---|
| 4560 | id = idx[1] ; |
---|
| 4561 | } |
---|
| 4562 | else if ( idx[0] != -1 ) { |
---|
| 4563 | os << LogIO::WARN << "Failed to find a scan after reftime. return a spectrum just before the reftime." << LogIO::POST ; |
---|
| 4564 | id = idx[1] ; |
---|
| 4565 | } |
---|
| 4566 | uInt tcalid = s->getTcalId( id ) ; |
---|
| 4567 | //os << "use row " << id << " (tcalid = " << tcalid << ")" << LogIO::POST ; |
---|
| 4568 | tcalTable.getEntry( time, tcalval, tcalid ) ; |
---|
| 4569 | tcalval.tovector( tcal ) ; |
---|
| 4570 | } |
---|
| 4571 | else if ( mode == "nearest" ) { |
---|
| 4572 | int id = -1 ; |
---|
| 4573 | if ( idx[0] == -1 ) { |
---|
| 4574 | id = idx[1] ; |
---|
| 4575 | } |
---|
| 4576 | else if ( idx[1] == -1 ) { |
---|
| 4577 | id = idx[0] ; |
---|
| 4578 | } |
---|
| 4579 | else if ( idx[0] == idx[1] ) { |
---|
| 4580 | id = idx[0] ; |
---|
| 4581 | } |
---|
| 4582 | else { |
---|
[1967] | 4583 | //double t0 = getMJD( s->getTime( idx[0] ) ) ; |
---|
| 4584 | //double t1 = getMJD( s->getTime( idx[1] ) ) ; |
---|
| 4585 | double t0 = s->getEpoch( idx[0] ).get( Unit( "d" ) ).getValue() ; |
---|
| 4586 | double t1 = s->getEpoch( idx[1] ).get( Unit( "d" ) ).getValue() ; |
---|
[1819] | 4587 | double tref = getMJD( reftime ) ; |
---|
| 4588 | if ( abs( t0 - tref ) > abs( t1 - tref ) ) { |
---|
| 4589 | id = idx[1] ; |
---|
| 4590 | } |
---|
| 4591 | else { |
---|
| 4592 | id = idx[0] ; |
---|
| 4593 | } |
---|
| 4594 | } |
---|
| 4595 | uInt tcalid = s->getTcalId( id ) ; |
---|
| 4596 | //os << "use row " << id << " (tcalid = " << tcalid << ")" << LogIO::POST ; |
---|
| 4597 | tcalTable.getEntry( time, tcalval, tcalid ) ; |
---|
| 4598 | tcalval.tovector( tcal ) ; |
---|
| 4599 | } |
---|
| 4600 | else if ( mode == "linear" ) { |
---|
| 4601 | if ( idx[0] == -1 ) { |
---|
| 4602 | // use after |
---|
| 4603 | os << LogIO::WARN << "Failed to interpolate. return a spectrum just after the reftime." << LogIO::POST ; |
---|
| 4604 | int id = idx[1] ; |
---|
| 4605 | uInt tcalid = s->getTcalId( id ) ; |
---|
| 4606 | //os << "use row " << id << " (tcalid = " << tcalid << ")" << LogIO::POST ; |
---|
| 4607 | tcalTable.getEntry( time, tcalval, tcalid ) ; |
---|
| 4608 | tcalval.tovector( tcal ) ; |
---|
| 4609 | } |
---|
| 4610 | else if ( idx[1] == -1 ) { |
---|
| 4611 | // use before |
---|
| 4612 | os << LogIO::WARN << "Failed to interpolate. return a spectrum just before the reftime." << LogIO::POST ; |
---|
| 4613 | int id = idx[0] ; |
---|
| 4614 | uInt tcalid = s->getTcalId( id ) ; |
---|
| 4615 | //os << "use row " << id << " (tcalid = " << tcalid << ")" << LogIO::POST ; |
---|
| 4616 | tcalTable.getEntry( time, tcalval, tcalid ) ; |
---|
| 4617 | tcalval.tovector( tcal ) ; |
---|
| 4618 | } |
---|
| 4619 | else if ( idx[0] == idx[1] ) { |
---|
| 4620 | // use before |
---|
| 4621 | //os << "No need to interporate." << LogIO::POST ; |
---|
| 4622 | int id = idx[0] ; |
---|
| 4623 | uInt tcalid = s->getTcalId( id ) ; |
---|
| 4624 | //os << "use row " << id << " (tcalid = " << tcalid << ")" << LogIO::POST ; |
---|
| 4625 | tcalTable.getEntry( time, tcalval, tcalid ) ; |
---|
| 4626 | tcalval.tovector( tcal ) ; |
---|
| 4627 | } |
---|
| 4628 | else { |
---|
| 4629 | // do interpolation |
---|
| 4630 | //os << "interpolate between " << idx[0] << " and " << idx[1] << " (scanno: " << s->getScan( idx[0] ) << ", " << s->getScan( idx[1] ) << ")" << LogIO::POST ; |
---|
[1967] | 4631 | //double t0 = getMJD( s->getTime( idx[0] ) ) ; |
---|
| 4632 | //double t1 = getMJD( s->getTime( idx[1] ) ) ; |
---|
| 4633 | double t0 = s->getEpoch( idx[0] ).get( Unit( "d" ) ).getValue() ; |
---|
| 4634 | double t1 = s->getEpoch( idx[1] ).get( Unit( "d" ) ).getValue() ; |
---|
[1819] | 4635 | double tref = getMJD( reftime ) ; |
---|
| 4636 | vector<float> tcal0 ; |
---|
| 4637 | vector<float> tcal1 ; |
---|
| 4638 | uInt tcalid0 = s->getTcalId( idx[0] ) ; |
---|
| 4639 | uInt tcalid1 = s->getTcalId( idx[1] ) ; |
---|
| 4640 | tcalTable.getEntry( time, tcalval, tcalid0 ) ; |
---|
| 4641 | tcalval.tovector( tcal0 ) ; |
---|
| 4642 | tcalTable.getEntry( time, tcalval, tcalid1 ) ; |
---|
| 4643 | tcalval.tovector( tcal1 ) ; |
---|
| 4644 | for ( unsigned int i = 0 ; i < tcal0.size() ; i++ ) { |
---|
| 4645 | float v = ( tcal1[i] - tcal0[i] ) / ( t1 - t0 ) * ( tref - t0 ) + tcal0[i] ; |
---|
| 4646 | tcal.push_back( v ) ; |
---|
| 4647 | } |
---|
| 4648 | } |
---|
| 4649 | } |
---|
| 4650 | else { |
---|
| 4651 | os << LogIO::SEVERE << "Unknown mode" << LogIO::POST ; |
---|
| 4652 | } |
---|
| 4653 | return tcal ; |
---|
| 4654 | } |
---|
| 4655 | } |
---|
| 4656 | |
---|
| 4657 | vector<float> STMath::getTsysFromTime( string reftime, |
---|
| 4658 | CountedPtr<Scantable>& s, |
---|
| 4659 | string mode ) |
---|
| 4660 | { |
---|
| 4661 | LogIO os( LogOrigin( "STMath", "getTsysFromTime", WHERE ) ) ; |
---|
| 4662 | ArrayColumn<Float> tsysCol ; |
---|
| 4663 | tsysCol.attach( s->table(), "TSYS" ) ; |
---|
| 4664 | vector<float> tsys ; |
---|
| 4665 | String time ; |
---|
| 4666 | Vector<Float> tsysval ; |
---|
| 4667 | if ( s->nrow() == 0 ) { |
---|
| 4668 | os << LogIO::SEVERE << "No row in the input scantable. Return empty tsys." << LogIO::POST ; |
---|
| 4669 | return tsys ; |
---|
| 4670 | } |
---|
| 4671 | else if ( s->nrow() == 1 ) { |
---|
| 4672 | //os << "use row " << 0 << LogIO::POST ; |
---|
| 4673 | tsysval = tsysCol( 0 ) ; |
---|
| 4674 | tsysval.tovector( tsys ) ; |
---|
| 4675 | return tsys ; |
---|
| 4676 | } |
---|
| 4677 | else { |
---|
| 4678 | vector<int> idx = getRowIdFromTime( reftime, s ) ; |
---|
| 4679 | if ( mode == "before" ) { |
---|
| 4680 | int id = -1 ; |
---|
| 4681 | if ( idx[0] != -1 ) { |
---|
| 4682 | id = idx[0] ; |
---|
| 4683 | } |
---|
| 4684 | else if ( idx[1] != -1 ) { |
---|
| 4685 | os << LogIO::WARN << "Failed to find a scan before reftime. return a spectrum just after the reftime." << LogIO::POST ; |
---|
| 4686 | id = idx[1] ; |
---|
| 4687 | } |
---|
| 4688 | //os << "use row " << id << LogIO::POST ; |
---|
| 4689 | tsysval = tsysCol( id ) ; |
---|
| 4690 | tsysval.tovector( tsys ) ; |
---|
| 4691 | } |
---|
| 4692 | else if ( mode == "after" ) { |
---|
| 4693 | int id = -1 ; |
---|
| 4694 | if ( idx[1] != -1 ) { |
---|
| 4695 | id = idx[1] ; |
---|
| 4696 | } |
---|
| 4697 | else if ( idx[0] != -1 ) { |
---|
| 4698 | os << LogIO::WARN << "Failed to find a scan after reftime. return a spectrum just before the reftime." << LogIO::POST ; |
---|
| 4699 | id = idx[1] ; |
---|
| 4700 | } |
---|
| 4701 | //os << "use row " << id << LogIO::POST ; |
---|
| 4702 | tsysval = tsysCol( id ) ; |
---|
| 4703 | tsysval.tovector( tsys ) ; |
---|
| 4704 | } |
---|
| 4705 | else if ( mode == "nearest" ) { |
---|
| 4706 | int id = -1 ; |
---|
| 4707 | if ( idx[0] == -1 ) { |
---|
| 4708 | id = idx[1] ; |
---|
| 4709 | } |
---|
| 4710 | else if ( idx[1] == -1 ) { |
---|
| 4711 | id = idx[0] ; |
---|
| 4712 | } |
---|
| 4713 | else if ( idx[0] == idx[1] ) { |
---|
| 4714 | id = idx[0] ; |
---|
| 4715 | } |
---|
| 4716 | else { |
---|
[1967] | 4717 | //double t0 = getMJD( s->getTime( idx[0] ) ) ; |
---|
| 4718 | //double t1 = getMJD( s->getTime( idx[1] ) ) ; |
---|
| 4719 | double t0 = s->getEpoch( idx[0] ).get( Unit( "d" ) ).getValue() ; |
---|
| 4720 | double t1 = s->getEpoch( idx[1] ).get( Unit( "d" ) ).getValue() ; |
---|
[1819] | 4721 | double tref = getMJD( reftime ) ; |
---|
| 4722 | if ( abs( t0 - tref ) > abs( t1 - tref ) ) { |
---|
| 4723 | id = idx[1] ; |
---|
| 4724 | } |
---|
| 4725 | else { |
---|
| 4726 | id = idx[0] ; |
---|
| 4727 | } |
---|
| 4728 | } |
---|
| 4729 | //os << "use row " << id << LogIO::POST ; |
---|
| 4730 | tsysval = tsysCol( id ) ; |
---|
| 4731 | tsysval.tovector( tsys ) ; |
---|
| 4732 | } |
---|
| 4733 | else if ( mode == "linear" ) { |
---|
| 4734 | if ( idx[0] == -1 ) { |
---|
| 4735 | // use after |
---|
| 4736 | os << LogIO::WARN << "Failed to interpolate. return a spectrum just after the reftime." << LogIO::POST ; |
---|
| 4737 | int id = idx[1] ; |
---|
| 4738 | //os << "use row " << id << LogIO::POST ; |
---|
| 4739 | tsysval = tsysCol( id ) ; |
---|
| 4740 | tsysval.tovector( tsys ) ; |
---|
| 4741 | } |
---|
| 4742 | else if ( idx[1] == -1 ) { |
---|
| 4743 | // use before |
---|
| 4744 | os << LogIO::WARN << "Failed to interpolate. return a spectrum just before the reftime." << LogIO::POST ; |
---|
| 4745 | int id = idx[0] ; |
---|
| 4746 | //os << "use row " << id << LogIO::POST ; |
---|
| 4747 | tsysval = tsysCol( id ) ; |
---|
| 4748 | tsysval.tovector( tsys ) ; |
---|
| 4749 | } |
---|
| 4750 | else if ( idx[0] == idx[1] ) { |
---|
| 4751 | // use before |
---|
| 4752 | //os << "No need to interporate." << LogIO::POST ; |
---|
| 4753 | int id = idx[0] ; |
---|
| 4754 | //os << "use row " << id << LogIO::POST ; |
---|
| 4755 | tsysval = tsysCol( id ) ; |
---|
| 4756 | tsysval.tovector( tsys ) ; |
---|
| 4757 | } |
---|
| 4758 | else { |
---|
| 4759 | // do interpolation |
---|
| 4760 | //os << "interpolate between " << idx[0] << " and " << idx[1] << " (scanno: " << s->getScan( idx[0] ) << ", " << s->getScan( idx[1] ) << ")" << LogIO::POST ; |
---|
[1967] | 4761 | //double t0 = getMJD( s->getTime( idx[0] ) ) ; |
---|
| 4762 | //double t1 = getMJD( s->getTime( idx[1] ) ) ; |
---|
| 4763 | double t0 = s->getEpoch( idx[0] ).get( Unit( "d" ) ).getValue() ; |
---|
| 4764 | double t1 = s->getEpoch( idx[1] ).get( Unit( "d" ) ).getValue() ; |
---|
[1819] | 4765 | double tref = getMJD( reftime ) ; |
---|
| 4766 | vector<float> tsys0 ; |
---|
| 4767 | vector<float> tsys1 ; |
---|
| 4768 | tsysval = tsysCol( idx[0] ) ; |
---|
| 4769 | tsysval.tovector( tsys0 ) ; |
---|
| 4770 | tsysval = tsysCol( idx[1] ) ; |
---|
| 4771 | tsysval.tovector( tsys1 ) ; |
---|
| 4772 | for ( unsigned int i = 0 ; i < tsys0.size() ; i++ ) { |
---|
| 4773 | float v = ( tsys1[i] - tsys0[i] ) / ( t1 - t0 ) * ( tref - t0 ) + tsys0[i] ; |
---|
| 4774 | tsys.push_back( v ) ; |
---|
| 4775 | } |
---|
| 4776 | } |
---|
| 4777 | } |
---|
| 4778 | else { |
---|
| 4779 | os << LogIO::SEVERE << "Unknown mode" << LogIO::POST ; |
---|
| 4780 | } |
---|
| 4781 | return tsys ; |
---|
| 4782 | } |
---|
| 4783 | } |
---|
| 4784 | |
---|
| 4785 | vector<float> STMath::getCalibratedSpectra( CountedPtr<Scantable>& on, |
---|
| 4786 | CountedPtr<Scantable>& off, |
---|
| 4787 | CountedPtr<Scantable>& sky, |
---|
| 4788 | CountedPtr<Scantable>& hot, |
---|
| 4789 | CountedPtr<Scantable>& cold, |
---|
| 4790 | int index, |
---|
| 4791 | string antname ) |
---|
| 4792 | { |
---|
[2163] | 4793 | (void) cold; //currently unused |
---|
[1819] | 4794 | string reftime = on->getTime( index ) ; |
---|
| 4795 | vector<int> ii( 1, on->getIF( index ) ) ; |
---|
| 4796 | vector<int> ib( 1, on->getBeam( index ) ) ; |
---|
| 4797 | vector<int> ip( 1, on->getPol( index ) ) ; |
---|
| 4798 | vector<int> ic( 1, on->getScan( index ) ) ; |
---|
| 4799 | STSelector sel = STSelector() ; |
---|
| 4800 | sel.setIFs( ii ) ; |
---|
| 4801 | sel.setBeams( ib ) ; |
---|
| 4802 | sel.setPolarizations( ip ) ; |
---|
| 4803 | sky->setSelection( sel ) ; |
---|
| 4804 | hot->setSelection( sel ) ; |
---|
| 4805 | //cold->setSelection( sel ) ; |
---|
| 4806 | off->setSelection( sel ) ; |
---|
| 4807 | vector<float> spsky = getSpectrumFromTime( reftime, sky, "linear" ) ; |
---|
| 4808 | vector<float> sphot = getSpectrumFromTime( reftime, hot, "linear" ) ; |
---|
| 4809 | //vector<float> spcold = getSpectrumFromTime( reftime, cold, "linear" ) ; |
---|
| 4810 | vector<float> spoff = getSpectrumFromTime( reftime, off, "linear" ) ; |
---|
| 4811 | vector<float> spec = on->getSpectrum( index ) ; |
---|
| 4812 | vector<float> tcal = getTcalFromTime( reftime, sky, "linear" ) ; |
---|
| 4813 | vector<float> sp( tcal.size() ) ; |
---|
| 4814 | if ( antname.find( "APEX" ) != string::npos ) { |
---|
| 4815 | // using gain array |
---|
| 4816 | for ( unsigned int j = 0 ; j < tcal.size() ; j++ ) { |
---|
| 4817 | float v = ( ( spec[j] - spoff[j] ) / spoff[j] ) |
---|
| 4818 | * ( spsky[j] / ( sphot[j] - spsky[j] ) ) * tcal[j] ; |
---|
| 4819 | sp[j] = v ; |
---|
| 4820 | } |
---|
| 4821 | } |
---|
| 4822 | else { |
---|
| 4823 | // Chopper-Wheel calibration (Ulich & Haas 1976) |
---|
| 4824 | for ( unsigned int j = 0 ; j < tcal.size() ; j++ ) { |
---|
| 4825 | float v = ( spec[j] - spoff[j] ) / ( sphot[j] - spsky[j] ) * tcal[j] ; |
---|
| 4826 | sp[j] = v ; |
---|
| 4827 | } |
---|
| 4828 | } |
---|
| 4829 | sel.reset() ; |
---|
| 4830 | sky->unsetSelection() ; |
---|
| 4831 | hot->unsetSelection() ; |
---|
| 4832 | //cold->unsetSelection() ; |
---|
| 4833 | off->unsetSelection() ; |
---|
| 4834 | |
---|
| 4835 | return sp ; |
---|
| 4836 | } |
---|
| 4837 | |
---|
| 4838 | vector<float> STMath::getCalibratedSpectra( CountedPtr<Scantable>& on, |
---|
| 4839 | CountedPtr<Scantable>& off, |
---|
| 4840 | int index ) |
---|
| 4841 | { |
---|
| 4842 | string reftime = on->getTime( index ) ; |
---|
| 4843 | vector<int> ii( 1, on->getIF( index ) ) ; |
---|
| 4844 | vector<int> ib( 1, on->getBeam( index ) ) ; |
---|
| 4845 | vector<int> ip( 1, on->getPol( index ) ) ; |
---|
| 4846 | vector<int> ic( 1, on->getScan( index ) ) ; |
---|
| 4847 | STSelector sel = STSelector() ; |
---|
| 4848 | sel.setIFs( ii ) ; |
---|
| 4849 | sel.setBeams( ib ) ; |
---|
| 4850 | sel.setPolarizations( ip ) ; |
---|
| 4851 | off->setSelection( sel ) ; |
---|
| 4852 | vector<float> spoff = getSpectrumFromTime( reftime, off, "linear" ) ; |
---|
| 4853 | vector<float> spec = on->getSpectrum( index ) ; |
---|
| 4854 | //vector<float> tcal = getTcalFromTime( reftime, sky, "linear" ) ; |
---|
| 4855 | //vector<float> tsys = on->getTsysVec( index ) ; |
---|
| 4856 | ArrayColumn<Float> tsysCol( on->table(), "TSYS" ) ; |
---|
| 4857 | Vector<Float> tsys = tsysCol( index ) ; |
---|
| 4858 | vector<float> sp( spec.size() ) ; |
---|
| 4859 | // ALMA Calibration |
---|
| 4860 | // |
---|
| 4861 | // Ta* = Tsys * ( ON - OFF ) / OFF |
---|
| 4862 | // |
---|
| 4863 | // 2010/01/07 Takeshi Nakazato |
---|
| 4864 | unsigned int tsyssize = tsys.nelements() ; |
---|
| 4865 | unsigned int spsize = sp.size() ; |
---|
| 4866 | for ( unsigned int j = 0 ; j < sp.size() ; j++ ) { |
---|
| 4867 | float tscale = 0.0 ; |
---|
| 4868 | if ( tsyssize == spsize ) |
---|
| 4869 | tscale = tsys[j] ; |
---|
| 4870 | else |
---|
| 4871 | tscale = tsys[0] ; |
---|
| 4872 | float v = tscale * ( spec[j] - spoff[j] ) / spoff[j] ; |
---|
| 4873 | sp[j] = v ; |
---|
| 4874 | } |
---|
| 4875 | sel.reset() ; |
---|
| 4876 | off->unsetSelection() ; |
---|
| 4877 | |
---|
| 4878 | return sp ; |
---|
| 4879 | } |
---|
| 4880 | |
---|
| 4881 | vector<float> STMath::getFSCalibratedSpectra( CountedPtr<Scantable>& sig, |
---|
| 4882 | CountedPtr<Scantable>& ref, |
---|
| 4883 | CountedPtr<Scantable>& sky, |
---|
| 4884 | CountedPtr<Scantable>& hot, |
---|
| 4885 | CountedPtr<Scantable>& cold, |
---|
| 4886 | int index ) |
---|
| 4887 | { |
---|
[2163] | 4888 | (void) cold; //currently unused |
---|
[1819] | 4889 | string reftime = sig->getTime( index ) ; |
---|
| 4890 | vector<int> ii( 1, sig->getIF( index ) ) ; |
---|
| 4891 | vector<int> ib( 1, sig->getBeam( index ) ) ; |
---|
| 4892 | vector<int> ip( 1, sig->getPol( index ) ) ; |
---|
| 4893 | vector<int> ic( 1, sig->getScan( index ) ) ; |
---|
| 4894 | STSelector sel = STSelector() ; |
---|
| 4895 | sel.setIFs( ii ) ; |
---|
| 4896 | sel.setBeams( ib ) ; |
---|
| 4897 | sel.setPolarizations( ip ) ; |
---|
| 4898 | sky->setSelection( sel ) ; |
---|
| 4899 | hot->setSelection( sel ) ; |
---|
| 4900 | //cold->setSelection( sel ) ; |
---|
| 4901 | vector<float> spsky = getSpectrumFromTime( reftime, sky, "linear" ) ; |
---|
| 4902 | vector<float> sphot = getSpectrumFromTime( reftime, hot, "linear" ) ; |
---|
| 4903 | //vector<float> spcold = getSpectrumFromTime( reftime, cold, "linear" ) ; |
---|
| 4904 | vector<float> spref = ref->getSpectrum( index ) ; |
---|
| 4905 | vector<float> spsig = sig->getSpectrum( index ) ; |
---|
| 4906 | vector<float> tcal = getTcalFromTime( reftime, sky, "linear" ) ; |
---|
| 4907 | vector<float> sp( tcal.size() ) ; |
---|
| 4908 | for ( unsigned int j = 0 ; j < tcal.size() ; j++ ) { |
---|
| 4909 | float v = tcal[j] * spsky[j] / ( sphot[j] - spsky[j] ) * ( spsig[j] - spref[j] ) / spref[j] ; |
---|
| 4910 | sp[j] = v ; |
---|
| 4911 | } |
---|
| 4912 | sel.reset() ; |
---|
| 4913 | sky->unsetSelection() ; |
---|
| 4914 | hot->unsetSelection() ; |
---|
| 4915 | //cold->unsetSelection() ; |
---|
| 4916 | |
---|
| 4917 | return sp ; |
---|
| 4918 | } |
---|
| 4919 | |
---|
| 4920 | vector<float> STMath::getFSCalibratedSpectra( CountedPtr<Scantable>& sig, |
---|
| 4921 | CountedPtr<Scantable>& ref, |
---|
| 4922 | vector< CountedPtr<Scantable> >& sky, |
---|
| 4923 | vector< CountedPtr<Scantable> >& hot, |
---|
| 4924 | vector< CountedPtr<Scantable> >& cold, |
---|
| 4925 | int index ) |
---|
| 4926 | { |
---|
[2163] | 4927 | (void) cold; //currently unused |
---|
[1819] | 4928 | string reftime = sig->getTime( index ) ; |
---|
| 4929 | vector<int> ii( 1, sig->getIF( index ) ) ; |
---|
| 4930 | vector<int> ib( 1, sig->getBeam( index ) ) ; |
---|
| 4931 | vector<int> ip( 1, sig->getPol( index ) ) ; |
---|
| 4932 | vector<int> ic( 1, sig->getScan( index ) ) ; |
---|
| 4933 | STSelector sel = STSelector() ; |
---|
| 4934 | sel.setIFs( ii ) ; |
---|
| 4935 | sel.setBeams( ib ) ; |
---|
| 4936 | sel.setPolarizations( ip ) ; |
---|
| 4937 | sky[0]->setSelection( sel ) ; |
---|
| 4938 | hot[0]->setSelection( sel ) ; |
---|
| 4939 | //cold[0]->setSelection( sel ) ; |
---|
| 4940 | vector<float> spskys = getSpectrumFromTime( reftime, sky[0], "linear" ) ; |
---|
| 4941 | vector<float> sphots = getSpectrumFromTime( reftime, hot[0], "linear" ) ; |
---|
| 4942 | //vector<float> spcolds = getSpectrumFromTime( reftime, cold[0], "linear" ) ; |
---|
| 4943 | vector<float> tcals = getTcalFromTime( reftime, sky[0], "linear" ) ; |
---|
| 4944 | sel.reset() ; |
---|
| 4945 | ii[0] = ref->getIF( index ) ; |
---|
| 4946 | sel.setIFs( ii ) ; |
---|
| 4947 | sel.setBeams( ib ) ; |
---|
| 4948 | sel.setPolarizations( ip ) ; |
---|
| 4949 | sky[1]->setSelection( sel ) ; |
---|
| 4950 | hot[1]->setSelection( sel ) ; |
---|
| 4951 | //cold[1]->setSelection( sel ) ; |
---|
| 4952 | vector<float> spskyr = getSpectrumFromTime( reftime, sky[1], "linear" ) ; |
---|
| 4953 | vector<float> sphotr = getSpectrumFromTime( reftime, hot[1], "linear" ) ; |
---|
| 4954 | //vector<float> spcoldr = getSpectrumFromTime( reftime, cold[1], "linear" ) ; |
---|
| 4955 | vector<float> tcalr = getTcalFromTime( reftime, sky[1], "linear" ) ; |
---|
| 4956 | vector<float> spref = ref->getSpectrum( index ) ; |
---|
| 4957 | vector<float> spsig = sig->getSpectrum( index ) ; |
---|
| 4958 | vector<float> sp( tcals.size() ) ; |
---|
| 4959 | for ( unsigned int j = 0 ; j < tcals.size() ; j++ ) { |
---|
| 4960 | float v = tcals[j] * spsig[j] / ( sphots[j] - spskys[j] ) - tcalr[j] * spref[j] / ( sphotr[j] - spskyr[j] ) ; |
---|
| 4961 | sp[j] = v ; |
---|
| 4962 | } |
---|
| 4963 | sel.reset() ; |
---|
| 4964 | sky[0]->unsetSelection() ; |
---|
| 4965 | hot[0]->unsetSelection() ; |
---|
| 4966 | //cold[0]->unsetSelection() ; |
---|
| 4967 | sky[1]->unsetSelection() ; |
---|
| 4968 | hot[1]->unsetSelection() ; |
---|
| 4969 | //cold[1]->unsetSelection() ; |
---|
| 4970 | |
---|
| 4971 | return sp ; |
---|
| 4972 | } |
---|