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