[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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[2899] | 27 | #include <casa/Quanta/Quantum.h> |
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[2] | 28 | |
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[917] | 29 | #include <coordinates/Coordinates/CoordinateSystem.h> |
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| 30 | #include <coordinates/Coordinates/CoordinateUtil.h> |
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| 31 | #include <coordinates/Coordinates/FrequencyAligner.h> |
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[2177] | 32 | #include <coordinates/Coordinates/SpectralCoordinate.h> |
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[917] | 33 | |
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[2177] | 34 | #include <lattices/Lattices/LatticeUtilities.h> |
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| 35 | |
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| 36 | #include <scimath/Functionals/Polynomial.h> |
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| 37 | #include <scimath/Mathematics/Convolver.h> |
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[177] | 38 | #include <scimath/Mathematics/VectorKernel.h> |
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| 39 | |
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[2177] | 40 | #include <tables/Tables/ExprNode.h> |
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| 41 | #include <tables/Tables/ReadAsciiTable.h> |
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| 42 | #include <tables/Tables/TableCopy.h> |
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| 43 | #include <tables/Tables/TableIter.h> |
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| 44 | #include <tables/Tables/TableParse.h> |
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| 45 | #include <tables/Tables/TableRecord.h> |
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| 46 | #include <tables/Tables/TableRow.h> |
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| 47 | #include <tables/Tables/TableVector.h> |
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| 48 | #include <tables/Tables/TabVecMath.h> |
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| 49 | |
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[1819] | 50 | #include <atnf/PKSIO/SrcType.h> |
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| 51 | |
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[805] | 52 | #include "RowAccumulator.h" |
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[878] | 53 | #include "STAttr.h" |
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[2177] | 54 | #include "STMath.h" |
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[1391] | 55 | #include "STSelector.h" |
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[2580] | 56 | #include "Accelerator.h" |
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| 57 | #include "STIdxIter.h" |
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[2] | 58 | |
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[2917] | 59 | #include "CalibrationHelper.h" |
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| 60 | |
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[805] | 61 | using namespace casa; |
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[83] | 62 | using namespace asap; |
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[2] | 63 | |
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[2412] | 64 | // 2012/02/17 TN |
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| 65 | // Since STGrid is implemented, average doesn't consider direction |
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| 66 | // when accumulating |
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[1819] | 67 | // tolerance for direction comparison (rad) |
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[2412] | 68 | // #define TOL_OTF 1.0e-15 |
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| 69 | // #define TOL_POINT 2.9088821e-4 // 1 arcmin |
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[1819] | 70 | |
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[805] | 71 | STMath::STMath(bool insitu) : |
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| 72 | insitu_(insitu) |
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[716] | 73 | { |
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| 74 | } |
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[170] | 75 | |
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| 76 | |
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[805] | 77 | STMath::~STMath() |
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[170] | 78 | { |
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| 79 | } |
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| 80 | |
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[805] | 81 | CountedPtr<Scantable> |
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[977] | 82 | STMath::average( const std::vector<CountedPtr<Scantable> >& in, |
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[858] | 83 | const std::vector<bool>& mask, |
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[805] | 84 | const std::string& weight, |
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[977] | 85 | const std::string& avmode) |
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[262] | 86 | { |
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[2580] | 87 | // double t0, t1 ; |
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| 88 | // t0 = mathutil::gettimeofday_sec() ; |
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| 89 | |
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[1819] | 90 | LogIO os( LogOrigin( "STMath", "average()", WHERE ) ) ; |
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[977] | 91 | if ( avmode == "SCAN" && in.size() != 1 ) |
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[1066] | 92 | throw(AipsError("Can't perform 'SCAN' averaging on multiple tables.\n" |
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| 93 | "Use merge first.")); |
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[805] | 94 | WeightType wtype = stringToWeight(weight); |
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[926] | 95 | |
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[2412] | 96 | // 2012/02/17 TN |
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| 97 | // Since STGrid is implemented, average doesn't consider direction |
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| 98 | // when accumulating |
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[1819] | 99 | // check if OTF observation |
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[2412] | 100 | // String obstype = in[0]->getHeader().obstype ; |
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| 101 | // Double tol = 0.0 ; |
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| 102 | // if ( (obstype.find( "OTF" ) != String::npos) || (obstype.find( "OBSERVE_TARGET" ) != String::npos) ) { |
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| 103 | // tol = TOL_OTF ; |
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| 104 | // } |
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| 105 | // else { |
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| 106 | // tol = TOL_POINT ; |
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| 107 | // } |
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[1819] | 108 | |
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[805] | 109 | // output |
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| 110 | // clone as this is non insitu |
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| 111 | bool insitu = insitu_; |
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| 112 | setInsitu(false); |
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[977] | 113 | CountedPtr< Scantable > out = getScantable(in[0], true); |
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[805] | 114 | setInsitu(insitu); |
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[977] | 115 | std::vector<CountedPtr<Scantable> >::const_iterator stit = in.begin(); |
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[862] | 116 | ++stit; |
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[977] | 117 | while ( stit != in.end() ) { |
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[862] | 118 | out->appendToHistoryTable((*stit)->history()); |
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| 119 | ++stit; |
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| 120 | } |
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[294] | 121 | |
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[805] | 122 | Table& tout = out->table(); |
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[701] | 123 | |
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[805] | 124 | /// @todo check if all scantables are conformant |
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[294] | 125 | |
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[805] | 126 | ArrayColumn<Float> specColOut(tout,"SPECTRA"); |
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| 127 | ArrayColumn<uChar> flagColOut(tout,"FLAGTRA"); |
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| 128 | ArrayColumn<Float> tsysColOut(tout,"TSYS"); |
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| 129 | ScalarColumn<Double> mjdColOut(tout,"TIME"); |
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| 130 | ScalarColumn<Double> intColOut(tout,"INTERVAL"); |
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[1008] | 131 | ScalarColumn<uInt> cycColOut(tout,"CYCLENO"); |
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[1145] | 132 | ScalarColumn<uInt> scanColOut(tout,"SCANNO"); |
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[2829] | 133 | ScalarColumn<uInt> flagRowColOut(tout,"FLAGROW"); |
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[262] | 134 | |
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[805] | 135 | // set up the output table rows. These are based on the structure of the |
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[862] | 136 | // FIRST scantable in the vector |
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[977] | 137 | const Table& baset = in[0]->table(); |
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[262] | 138 | |
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[2580] | 139 | RowAccumulator acc(wtype); |
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| 140 | Vector<Bool> cmask(mask); |
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| 141 | acc.setUserMask(cmask); |
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| 142 | // ROTableRow row(tout); |
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| 143 | ROArrayColumn<Float> specCol, tsysCol; |
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| 144 | ROArrayColumn<uChar> flagCol; |
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| 145 | ROScalarColumn<Double> mjdCol, intCol; |
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| 146 | ROScalarColumn<Int> scanIDCol; |
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[2829] | 147 | ROScalarColumn<uInt> flagRowCol; |
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[2580] | 148 | |
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| 149 | //Vector<uInt> rowstodelete; |
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| 150 | Block<uInt> rowstodelB( in[0]->nrow() ) ; |
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| 151 | uInt nrowdel = 0 ; |
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| 152 | |
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| 153 | // Block<String> cols(3); |
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| 154 | vector<string> cols(3) ; |
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[805] | 155 | cols[0] = String("BEAMNO"); |
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| 156 | cols[1] = String("IFNO"); |
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| 157 | cols[2] = String("POLNO"); |
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| 158 | if ( avmode == "SOURCE" ) { |
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| 159 | cols.resize(4); |
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| 160 | cols[3] = String("SRCNAME"); |
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[488] | 161 | } |
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[977] | 162 | if ( avmode == "SCAN" && in.size() == 1) { |
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[1819] | 163 | //cols.resize(4); |
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| 164 | //cols[3] = String("SCANNO"); |
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| 165 | cols.resize(5); |
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| 166 | cols[3] = String("SRCNAME"); |
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| 167 | cols[4] = String("SCANNO"); |
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[2] | 168 | } |
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[805] | 169 | uInt outrowCount = 0; |
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[2918] | 170 | // use STIdxIter2 instead of TableIterator |
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| 171 | STIdxIter2 iter( in[0], cols ) ; |
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[2580] | 172 | // double t2 = 0 ; |
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| 173 | // double t3 = 0 ; |
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| 174 | // double t4 = 0 ; |
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| 175 | // double t5 = 0 ; |
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| 176 | // TableIterator iter(baset, cols); |
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[1819] | 177 | // int count = 0 ; |
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[805] | 178 | while (!iter.pastEnd()) { |
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[2580] | 179 | Vector<uInt> rows = iter.getRows( SHARE ) ; |
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| 180 | if ( rows.nelements() == 0 ) { |
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| 181 | iter.next() ; |
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| 182 | continue ; |
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| 183 | } |
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[2918] | 184 | Record current = iter.currentValue() ; |
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[2580] | 185 | //Table subt = iter.table(); |
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[2412] | 186 | // copy the first row of this selection into the new table |
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| 187 | tout.addRow(); |
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[2580] | 188 | // t4 = mathutil::gettimeofday_sec() ; |
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| 189 | // skip to copy SPECTRA, FLAGTRA, and TSYS since those heavy columns are |
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| 190 | // overwritten in the following process |
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| 191 | copyRows( tout, baset, outrowCount, rows[0], 1, False, False, False ) ; |
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| 192 | // t5 += mathutil::gettimeofday_sec() - t4 ; |
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[2412] | 193 | // re-index to 0 |
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| 194 | if ( avmode != "SCAN" && avmode != "SOURCE" ) { |
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| 195 | scanColOut.put(outrowCount, uInt(0)); |
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| 196 | } |
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[2580] | 197 | |
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[2412] | 198 | // 2012/02/17 TN |
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| 199 | // Since STGrid is implemented, average doesn't consider direction |
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| 200 | // when accumulating |
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| 201 | // MDirection::ScalarColumn dircol ; |
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| 202 | // dircol.attach( subt, "DIRECTION" ) ; |
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| 203 | // Int length = subt.nrow() ; |
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| 204 | // vector< Vector<Double> > dirs ; |
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| 205 | // vector<int> indexes ; |
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| 206 | // for ( Int i = 0 ; i < length ; i++ ) { |
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| 207 | // Vector<Double> t = dircol(i).getAngle(Unit(String("rad"))).getValue() ; |
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| 208 | // //os << << count++ << ": " ; |
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| 209 | // //os << "[" << t[0] << "," << t[1] << "]" << LogIO::POST ; |
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| 210 | // bool adddir = true ; |
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| 211 | // for ( uInt j = 0 ; j < dirs.size() ; j++ ) { |
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| 212 | // //if ( allTrue( t == dirs[j] ) ) { |
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| 213 | // Double dx = t[0] - dirs[j][0] ; |
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| 214 | // Double dy = t[1] - dirs[j][1] ; |
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| 215 | // Double dd = sqrt( dx * dx + dy * dy ) ; |
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| 216 | // //if ( allNearAbs( t, dirs[j], tol ) ) { |
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| 217 | // if ( dd <= tol ) { |
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| 218 | // adddir = false ; |
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| 219 | // break ; |
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| 220 | // } |
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| 221 | // } |
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| 222 | // if ( adddir ) { |
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| 223 | // dirs.push_back( t ) ; |
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| 224 | // indexes.push_back( i ) ; |
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| 225 | // } |
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[1819] | 226 | // } |
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[2412] | 227 | // uInt rowNum = dirs.size() ; |
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| 228 | // tout.addRow( rowNum ) ; |
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| 229 | // for ( uInt i = 0 ; i < rowNum ; i++ ) { |
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| 230 | // TableCopy::copyRows( tout, subt, outrowCount+i, indexes[i], 1 ) ; |
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| 231 | // // re-index to 0 |
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| 232 | // if ( avmode != "SCAN" && avmode != "SOURCE" ) { |
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| 233 | // scanColOut.put(outrowCount+i, uInt(0)); |
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| 234 | // } |
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| 235 | // } |
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| 236 | // outrowCount += rowNum ; |
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[144] | 237 | |
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[2580] | 238 | // merge loop |
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| 239 | uInt i = outrowCount ; |
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| 240 | // in[0] is already selected by iterator |
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| 241 | specCol.attach(baset,"SPECTRA"); |
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| 242 | flagCol.attach(baset,"FLAGTRA"); |
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| 243 | tsysCol.attach(baset,"TSYS"); |
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| 244 | intCol.attach(baset,"INTERVAL"); |
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| 245 | mjdCol.attach(baset,"TIME"); |
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[2829] | 246 | flagRowCol.attach(baset,"FLAGROW"); |
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[2580] | 247 | Vector<Float> spec,tsys; |
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| 248 | Vector<uChar> flag; |
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| 249 | Double inter,time; |
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[2829] | 250 | uInt flagRow; |
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[1333] | 251 | |
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[2580] | 252 | for (uInt l = 0; l < rows.nelements(); ++l ) { |
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| 253 | uInt k = rows[l] ; |
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| 254 | flagCol.get(k, flag); |
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| 255 | Vector<Bool> bflag(flag.shape()); |
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[2829] | 256 | flagRowCol.get(k, flagRow); |
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| 257 | if (flagRow > 0) |
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| 258 | bflag = true; |
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| 259 | else |
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| 260 | convertArray(bflag, flag); |
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[2580] | 261 | /* |
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| 262 | if ( allEQ(bflag, True) ) { |
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| 263 | continue;//don't accumulate |
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| 264 | } |
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| 265 | */ |
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| 266 | specCol.get(k, spec); |
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| 267 | tsysCol.get(k, tsys); |
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| 268 | intCol.get(k, inter); |
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| 269 | mjdCol.get(k, time); |
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| 270 | // spectrum has to be added last to enable weighting by the other values |
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| 271 | // t2 = mathutil::gettimeofday_sec() ; |
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| 272 | acc.add(spec, !bflag, tsys, inter, time); |
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| 273 | // t3 += mathutil::gettimeofday_sec() - t2 ; |
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| 274 | |
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| 275 | } |
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| 276 | |
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| 277 | |
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| 278 | // in[0] is already selected by TableIterator so that index is |
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| 279 | // started from 1 |
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| 280 | for ( int j=1; j < int(in.size()); ++j ) { |
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[977] | 281 | const Table& tin = in[j]->table(); |
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[2580] | 282 | //const TableRecord& rec = row.get(i); |
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[805] | 283 | ROScalarColumn<Double> tmp(tin, "TIME"); |
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| 284 | Double td;tmp.get(0,td); |
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[2580] | 285 | |
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| 286 | #if 1 |
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| 287 | static char const*const colNames1[] = { "IFNO", "BEAMNO", "POLNO" }; |
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| 288 | //uInt const values1[] = { rec.asuInt("IFNO"), rec.asuInt("BEAMNO"), rec.asuInt("POLNO") }; |
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[2918] | 289 | uInt const values1[] = { current.asuInt("IFNO"), current.asuInt("BEAMNO"), current.asuInt("POLNO") }; |
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[2580] | 290 | SingleTypeEqPredicate<uInt, 3> myPred(tin, colNames1, values1); |
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| 291 | CustomTableExprNodeRep myNodeRep(tin, myPred); |
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| 292 | myNodeRep.link(); // to avoid automatic delete when myExpr is destructed. |
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| 293 | CustomTableExprNode myExpr(myNodeRep); |
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| 294 | Table basesubt = tin(myExpr); |
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| 295 | #else |
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| 296 | // Table basesubt = tin( tin.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
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| 297 | // && tin.col("IFNO") == Int(rec.asuInt("IFNO")) |
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| 298 | // && tin.col("POLNO") == Int(rec.asuInt("POLNO")) ); |
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[2918] | 299 | Table basesubt = tin( tin.col("BEAMNO") == current.asuInt("BEAMNO") |
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| 300 | && tin.col("IFNO") == current.asuInt("IFNO") |
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| 301 | && tin.col("POLNO") == current.asuInt("POLNO") ); |
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[2580] | 302 | #endif |
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[805] | 303 | Table subt; |
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| 304 | if ( avmode == "SOURCE") { |
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[2580] | 305 | // subt = basesubt( basesubt.col("SRCNAME") == rec.asString("SRCNAME")); |
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[2918] | 306 | subt = basesubt( basesubt.col("SRCNAME") == current.asString("SRCNAME") ); |
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[2580] | 307 | |
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[805] | 308 | } else if (avmode == "SCAN") { |
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[2580] | 309 | // subt = basesubt( basesubt.col("SRCNAME") == rec.asString("SRCNAME") |
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| 310 | // && basesubt.col("SCANNO") == Int(rec.asuInt("SCANNO")) ); |
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[2918] | 311 | subt = basesubt( basesubt.col("SRCNAME") == current.asString("SRCNAME") |
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| 312 | && basesubt.col("SCANNO") == current.asuInt("SCANNO") ); |
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[805] | 313 | } else { |
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| 314 | subt = basesubt; |
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| 315 | } |
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[1819] | 316 | |
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[2412] | 317 | // 2012/02/17 TN |
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| 318 | // Since STGrid is implemented, average doesn't consider direction |
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| 319 | // when accumulating |
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| 320 | // vector<uInt> removeRows ; |
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| 321 | // uInt nrsubt = subt.nrow() ; |
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| 322 | // for ( uInt irow = 0 ; irow < nrsubt ; irow++ ) { |
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| 323 | // //if ( !allTrue((subt.col("DIRECTION").getArrayDouble(TableExprId(irow)))==rec.asArrayDouble("DIRECTION")) ) { |
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| 324 | // Vector<Double> x0 = (subt.col("DIRECTION").getArrayDouble(TableExprId(irow))) ; |
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| 325 | // Vector<Double> x1 = rec.asArrayDouble("DIRECTION") ; |
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| 326 | // double dx = x0[0] - x1[0]; |
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| 327 | // double dy = x0[1] - x1[1]; |
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| 328 | // Double dd = sqrt( dx * dx + dy * dy ) ; |
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| 329 | // //if ( !allNearAbs((subt.col("DIRECTION").getArrayDouble(TableExprId(irow))), rec.asArrayDouble("DIRECTION"), tol ) ) { |
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| 330 | // if ( dd > tol ) { |
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| 331 | // removeRows.push_back( irow ) ; |
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| 332 | // } |
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| 333 | // } |
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| 334 | // if ( removeRows.size() != 0 ) { |
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| 335 | // subt.removeRow( removeRows ) ; |
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| 336 | // } |
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[1819] | 337 | |
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[2412] | 338 | // if ( nrsubt == removeRows.size() ) |
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| 339 | // throw(AipsError("Averaging data is empty.")) ; |
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[1819] | 340 | |
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[805] | 341 | specCol.attach(subt,"SPECTRA"); |
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| 342 | flagCol.attach(subt,"FLAGTRA"); |
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| 343 | tsysCol.attach(subt,"TSYS"); |
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| 344 | intCol.attach(subt,"INTERVAL"); |
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| 345 | mjdCol.attach(subt,"TIME"); |
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[2829] | 346 | flagRowCol.attach(subt,"FLAGROW"); |
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[805] | 347 | for (uInt k = 0; k < subt.nrow(); ++k ) { |
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| 348 | flagCol.get(k, flag); |
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| 349 | Vector<Bool> bflag(flag.shape()); |
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[2829] | 350 | flagRowCol.get(k, flagRow); |
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| 351 | if (flagRow > 0) |
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| 352 | bflag = true; |
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| 353 | else |
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| 354 | convertArray(bflag, flag); |
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[1314] | 355 | /* |
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[805] | 356 | if ( allEQ(bflag, True) ) { |
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[1314] | 357 | continue;//don't accumulate |
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[144] | 358 | } |
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[1314] | 359 | */ |
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[805] | 360 | specCol.get(k, spec); |
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[2475] | 361 | //tsysCol.get(k, tsys); |
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| 362 | tsys.assign( tsysCol(k) ); |
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[805] | 363 | intCol.get(k, inter); |
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| 364 | mjdCol.get(k, time); |
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| 365 | // spectrum has to be added last to enable weighting by the other values |
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[2580] | 366 | // t2 = mathutil::gettimeofday_sec() ; |
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[805] | 367 | acc.add(spec, !bflag, tsys, inter, time); |
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[2580] | 368 | // t3 += mathutil::gettimeofday_sec() - t2 ; |
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[805] | 369 | } |
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[2125] | 370 | |
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[805] | 371 | } |
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[1333] | 372 | const Vector<Bool>& msk = acc.getMask(); |
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| 373 | if ( allEQ(msk, False) ) { |
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[2580] | 374 | rowstodelB[nrowdel] = i ; |
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| 375 | nrowdel++ ; |
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[1333] | 376 | continue; |
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| 377 | } |
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[805] | 378 | //write out |
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[1819] | 379 | if (acc.state()) { |
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[2580] | 380 | // If there exists a channel at which all the input spectra are masked, |
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| 381 | // spec has 'nan' values for that channel and it may affect the following |
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| 382 | // processes. To avoid this, replacing 'nan' values in spec with |
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| 383 | // weighted-mean of all spectra in the following line. |
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| 384 | // (done for CAS-2776, 2011/04/07 by Wataru Kawasaki) |
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| 385 | acc.replaceNaN(); |
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| 386 | |
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[1819] | 387 | Vector<uChar> flg(msk.shape()); |
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| 388 | convertArray(flg, !msk); |
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[2125] | 389 | for (uInt k = 0; k < flg.nelements(); ++k) { |
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| 390 | uChar userFlag = 1 << 7; |
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| 391 | if (msk[k]==True) userFlag = 0 << 7; |
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| 392 | flg(k) = userFlag; |
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| 393 | } |
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| 394 | |
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[1819] | 395 | flagColOut.put(i, flg); |
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| 396 | specColOut.put(i, acc.getSpectrum()); |
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| 397 | tsysColOut.put(i, acc.getTsys()); |
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| 398 | intColOut.put(i, acc.getInterval()); |
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| 399 | mjdColOut.put(i, acc.getTime()); |
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| 400 | // we should only have one cycle now -> reset it to be 0 |
---|
| 401 | // frequency switched data has different CYCLENO for different IFNO |
---|
| 402 | // which requires resetting this value |
---|
| 403 | cycColOut.put(i, uInt(0)); |
---|
[2829] | 404 | // completely flagged rows are removed anyway |
---|
| 405 | flagRowColOut.put(i, uInt(0)); |
---|
[1819] | 406 | } else { |
---|
[2658] | 407 | os << "For output row="<<i<<", all input rows of data are flagged. no averaging" << LogIO::POST; |
---|
[1819] | 408 | } |
---|
[805] | 409 | acc.reset(); |
---|
[2580] | 410 | |
---|
| 411 | // merge with while loop for preparing out table |
---|
| 412 | ++outrowCount; |
---|
| 413 | // ++iter ; |
---|
| 414 | iter.next() ; |
---|
[144] | 415 | } |
---|
[2135] | 416 | |
---|
[2580] | 417 | if ( nrowdel > 0 ) { |
---|
| 418 | Vector<uInt> rowstodelete( IPosition(1,nrowdel), rowstodelB.storage(), SHARE ) ; |
---|
[1819] | 419 | os << rowstodelete << LogIO::POST ; |
---|
[1333] | 420 | tout.removeRow(rowstodelete); |
---|
| 421 | if (tout.nrow() == 0) { |
---|
| 422 | throw(AipsError("Can't average fully flagged data.")); |
---|
| 423 | } |
---|
| 424 | } |
---|
[2580] | 425 | |
---|
| 426 | // t1 = mathutil::gettimeofday_sec() ; |
---|
| 427 | // cout << "elapsed time for average(): " << t1-t0 << " sec" << endl ; |
---|
| 428 | // cout << " elapsed time for acc.add(): " << t3 << " sec" << endl ; |
---|
| 429 | // cout << " elapsed time for copyRows(): " << t5 << " sec" << endl ; |
---|
| 430 | |
---|
[805] | 431 | return out; |
---|
[2] | 432 | } |
---|
[9] | 433 | |
---|
[1069] | 434 | CountedPtr< Scantable > |
---|
[2163] | 435 | STMath::averageChannel( const CountedPtr < Scantable > & in, |
---|
[1078] | 436 | const std::string & mode, |
---|
| 437 | const std::string& avmode ) |
---|
[1069] | 438 | { |
---|
[2163] | 439 | (void) mode; // currently unused |
---|
[2412] | 440 | // 2012/02/17 TN |
---|
| 441 | // Since STGrid is implemented, average doesn't consider direction |
---|
| 442 | // when accumulating |
---|
[1819] | 443 | // check if OTF observation |
---|
[2412] | 444 | // String obstype = in->getHeader().obstype ; |
---|
| 445 | // Double tol = 0.0 ; |
---|
| 446 | // if ( obstype.find( "OTF" ) != String::npos ) { |
---|
| 447 | // tol = TOL_OTF ; |
---|
| 448 | // } |
---|
| 449 | // else { |
---|
| 450 | // tol = TOL_POINT ; |
---|
| 451 | // } |
---|
[1819] | 452 | |
---|
[1069] | 453 | // clone as this is non insitu |
---|
| 454 | bool insitu = insitu_; |
---|
| 455 | setInsitu(false); |
---|
| 456 | CountedPtr< Scantable > out = getScantable(in, true); |
---|
| 457 | setInsitu(insitu); |
---|
| 458 | Table& tout = out->table(); |
---|
| 459 | ArrayColumn<Float> specColOut(tout,"SPECTRA"); |
---|
| 460 | ArrayColumn<uChar> flagColOut(tout,"FLAGTRA"); |
---|
| 461 | ArrayColumn<Float> tsysColOut(tout,"TSYS"); |
---|
[1140] | 462 | ScalarColumn<uInt> scanColOut(tout,"SCANNO"); |
---|
[1232] | 463 | ScalarColumn<Double> intColOut(tout, "INTERVAL"); |
---|
[1140] | 464 | Table tmp = in->table().sort("BEAMNO"); |
---|
[1069] | 465 | Block<String> cols(3); |
---|
| 466 | cols[0] = String("BEAMNO"); |
---|
| 467 | cols[1] = String("IFNO"); |
---|
| 468 | cols[2] = String("POLNO"); |
---|
[1078] | 469 | if ( avmode == "SCAN") { |
---|
| 470 | cols.resize(4); |
---|
| 471 | cols[3] = String("SCANNO"); |
---|
| 472 | } |
---|
[1069] | 473 | uInt outrowCount = 0; |
---|
| 474 | uChar userflag = 1 << 7; |
---|
[1140] | 475 | TableIterator iter(tmp, cols); |
---|
[1069] | 476 | while (!iter.pastEnd()) { |
---|
| 477 | Table subt = iter.table(); |
---|
| 478 | ROArrayColumn<Float> specCol, tsysCol; |
---|
| 479 | ROArrayColumn<uChar> flagCol; |
---|
[1232] | 480 | ROScalarColumn<Double> intCol(subt, "INTERVAL"); |
---|
[1069] | 481 | specCol.attach(subt,"SPECTRA"); |
---|
| 482 | flagCol.attach(subt,"FLAGTRA"); |
---|
| 483 | tsysCol.attach(subt,"TSYS"); |
---|
[2412] | 484 | |
---|
| 485 | tout.addRow(); |
---|
| 486 | TableCopy::copyRows(tout, subt, outrowCount, 0, 1); |
---|
| 487 | if ( avmode != "SCAN") { |
---|
| 488 | scanColOut.put(outrowCount, uInt(0)); |
---|
| 489 | } |
---|
| 490 | Vector<Float> tmp; |
---|
| 491 | specCol.get(0, tmp); |
---|
| 492 | uInt nchan = tmp.nelements(); |
---|
| 493 | // have to do channel by channel here as MaskedArrMath |
---|
| 494 | // doesn't have partialMedians |
---|
| 495 | Vector<uChar> flags = flagCol.getColumn(Slicer(Slice(0))); |
---|
| 496 | Vector<Float> outspec(nchan); |
---|
| 497 | Vector<uChar> outflag(nchan,0); |
---|
| 498 | Vector<Float> outtsys(1);/// @fixme when tsys is channel based |
---|
| 499 | for (uInt i=0; i<nchan; ++i) { |
---|
| 500 | Vector<Float> specs = specCol.getColumn(Slicer(Slice(i))); |
---|
| 501 | MaskedArray<Float> ma = maskedArray(specs,flags); |
---|
| 502 | outspec[i] = median(ma); |
---|
| 503 | if ( allEQ(ma.getMask(), False) ) |
---|
| 504 | outflag[i] = userflag;// flag data |
---|
| 505 | } |
---|
| 506 | outtsys[0] = median(tsysCol.getColumn()); |
---|
| 507 | specColOut.put(outrowCount, outspec); |
---|
| 508 | flagColOut.put(outrowCount, outflag); |
---|
| 509 | tsysColOut.put(outrowCount, outtsys); |
---|
| 510 | Double intsum = sum(intCol.getColumn()); |
---|
| 511 | intColOut.put(outrowCount, intsum); |
---|
| 512 | ++outrowCount; |
---|
| 513 | ++iter; |
---|
| 514 | |
---|
| 515 | // 2012/02/17 TN |
---|
| 516 | // Since STGrid is implemented, average doesn't consider direction |
---|
| 517 | // when accumulating |
---|
| 518 | // MDirection::ScalarColumn dircol ; |
---|
| 519 | // dircol.attach( subt, "DIRECTION" ) ; |
---|
| 520 | // Int length = subt.nrow() ; |
---|
| 521 | // vector< Vector<Double> > dirs ; |
---|
| 522 | // vector<int> indexes ; |
---|
| 523 | // // Handle MX mode averaging |
---|
| 524 | // if (in->nbeam() > 1 ) { |
---|
| 525 | // length = 1; |
---|
[1819] | 526 | // } |
---|
[2412] | 527 | // for ( Int i = 0 ; i < length ; i++ ) { |
---|
| 528 | // Vector<Double> t = dircol(i).getAngle(Unit(String("rad"))).getValue() ; |
---|
| 529 | // bool adddir = true ; |
---|
| 530 | // for ( uInt j = 0 ; j < dirs.size() ; j++ ) { |
---|
| 531 | // //if ( allTrue( t == dirs[j] ) ) { |
---|
| 532 | // Double dx = t[0] - dirs[j][0] ; |
---|
| 533 | // Double dy = t[1] - dirs[j][1] ; |
---|
| 534 | // Double dd = sqrt( dx * dx + dy * dy ) ; |
---|
| 535 | // //if ( allNearAbs( t, dirs[j], tol ) ) { |
---|
| 536 | // if ( dd <= tol ) { |
---|
| 537 | // adddir = false ; |
---|
| 538 | // break ; |
---|
| 539 | // } |
---|
| 540 | // } |
---|
| 541 | // if ( adddir ) { |
---|
| 542 | // dirs.push_back( t ) ; |
---|
| 543 | // indexes.push_back( i ) ; |
---|
| 544 | // } |
---|
[1819] | 545 | // } |
---|
[2412] | 546 | // uInt rowNum = dirs.size() ; |
---|
| 547 | // tout.addRow( rowNum ); |
---|
| 548 | // for ( uInt i = 0 ; i < rowNum ; i++ ) { |
---|
| 549 | // TableCopy::copyRows(tout, subt, outrowCount+i, indexes[i], 1) ; |
---|
| 550 | // // Handle MX mode averaging |
---|
| 551 | // if ( avmode != "SCAN") { |
---|
| 552 | // scanColOut.put(outrowCount+i, uInt(0)); |
---|
| 553 | // } |
---|
| 554 | // } |
---|
| 555 | // MDirection::ScalarColumn dircolOut ; |
---|
| 556 | // dircolOut.attach( tout, "DIRECTION" ) ; |
---|
| 557 | // for ( uInt irow = 0 ; irow < rowNum ; irow++ ) { |
---|
| 558 | // Vector<Double> t = \ |
---|
| 559 | // dircolOut(outrowCount+irow).getAngle(Unit(String("rad"))).getValue() ; |
---|
| 560 | // Vector<Float> tmp; |
---|
| 561 | // specCol.get(0, tmp); |
---|
| 562 | // uInt nchan = tmp.nelements(); |
---|
| 563 | // // have to do channel by channel here as MaskedArrMath |
---|
| 564 | // // doesn't have partialMedians |
---|
| 565 | // Vector<uChar> flags = flagCol.getColumn(Slicer(Slice(0))); |
---|
| 566 | // // mask spectra for different DIRECTION |
---|
| 567 | // for ( uInt jrow = 0 ; jrow < subt.nrow() ; jrow++ ) { |
---|
| 568 | // Vector<Double> direction = \ |
---|
| 569 | // dircol(jrow).getAngle(Unit(String("rad"))).getValue() ; |
---|
| 570 | // //if ( t[0] != direction[0] || t[1] != direction[1] ) { |
---|
| 571 | // Double dx = t[0] - direction[0]; |
---|
| 572 | // Double dy = t[1] - direction[1]; |
---|
| 573 | // Double dd = sqrt(dx*dx + dy*dy); |
---|
| 574 | // //if ( !allNearAbs( t, direction, tol ) ) { |
---|
| 575 | // if ( dd > tol && in->nbeam() < 2 ) { |
---|
| 576 | // flags[jrow] = userflag ; |
---|
| 577 | // } |
---|
| 578 | // } |
---|
| 579 | // Vector<Float> outspec(nchan); |
---|
| 580 | // Vector<uChar> outflag(nchan,0); |
---|
| 581 | // Vector<Float> outtsys(1);/// @fixme when tsys is channel based |
---|
| 582 | // for (uInt i=0; i<nchan; ++i) { |
---|
| 583 | // Vector<Float> specs = specCol.getColumn(Slicer(Slice(i))); |
---|
| 584 | // MaskedArray<Float> ma = maskedArray(specs,flags); |
---|
| 585 | // outspec[i] = median(ma); |
---|
| 586 | // if ( allEQ(ma.getMask(), False) ) |
---|
| 587 | // outflag[i] = userflag;// flag data |
---|
| 588 | // } |
---|
| 589 | // outtsys[0] = median(tsysCol.getColumn()); |
---|
| 590 | // specColOut.put(outrowCount+irow, outspec); |
---|
| 591 | // flagColOut.put(outrowCount+irow, outflag); |
---|
| 592 | // tsysColOut.put(outrowCount+irow, outtsys); |
---|
| 593 | // Vector<Double> integ = intCol.getColumn() ; |
---|
| 594 | // MaskedArray<Double> mi = maskedArray( integ, flags ) ; |
---|
| 595 | // Double intsum = sum(mi); |
---|
| 596 | // intColOut.put(outrowCount+irow, intsum); |
---|
| 597 | // } |
---|
| 598 | // outrowCount += rowNum ; |
---|
[1819] | 599 | // ++iter; |
---|
[1069] | 600 | } |
---|
| 601 | return out; |
---|
| 602 | } |
---|
| 603 | |
---|
[805] | 604 | CountedPtr< Scantable > STMath::getScantable(const CountedPtr< Scantable >& in, |
---|
| 605 | bool droprows) |
---|
[185] | 606 | { |
---|
[1505] | 607 | if (insitu_) { |
---|
| 608 | return in; |
---|
| 609 | } |
---|
[805] | 610 | else { |
---|
| 611 | // clone |
---|
[1505] | 612 | return CountedPtr<Scantable>(new Scantable(*in, Bool(droprows))); |
---|
[234] | 613 | } |
---|
[805] | 614 | } |
---|
[234] | 615 | |
---|
[805] | 616 | CountedPtr< Scantable > STMath::unaryOperate( const CountedPtr< Scantable >& in, |
---|
| 617 | float val, |
---|
| 618 | const std::string& mode, |
---|
| 619 | bool tsys ) |
---|
| 620 | { |
---|
| 621 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 622 | Table& tab = out->table(); |
---|
| 623 | ArrayColumn<Float> specCol(tab,"SPECTRA"); |
---|
| 624 | ArrayColumn<Float> tsysCol(tab,"TSYS"); |
---|
[2143] | 625 | if (mode=="DIV") val = 1.0/val ; |
---|
| 626 | else if (mode=="SUB") val *= -1.0 ; |
---|
[805] | 627 | for (uInt i=0; i<tab.nrow(); ++i) { |
---|
| 628 | Vector<Float> spec; |
---|
| 629 | Vector<Float> ts; |
---|
| 630 | specCol.get(i, spec); |
---|
| 631 | tsysCol.get(i, ts); |
---|
[1308] | 632 | if (mode == "MUL" || mode == "DIV") { |
---|
[2143] | 633 | //if (mode == "DIV") val = 1.0/val; |
---|
[805] | 634 | spec *= val; |
---|
| 635 | specCol.put(i, spec); |
---|
| 636 | if ( tsys ) { |
---|
| 637 | ts *= val; |
---|
| 638 | tsysCol.put(i, ts); |
---|
| 639 | } |
---|
[1308] | 640 | } else if ( mode == "ADD" || mode == "SUB") { |
---|
[2143] | 641 | //if (mode == "SUB") val *= -1.0; |
---|
[805] | 642 | spec += val; |
---|
| 643 | specCol.put(i, spec); |
---|
| 644 | if ( tsys ) { |
---|
| 645 | ts += val; |
---|
| 646 | tsysCol.put(i, ts); |
---|
| 647 | } |
---|
| 648 | } |
---|
[234] | 649 | } |
---|
[805] | 650 | return out; |
---|
| 651 | } |
---|
[234] | 652 | |
---|
[1819] | 653 | CountedPtr< Scantable > STMath::arrayOperate( const CountedPtr< Scantable >& in, |
---|
| 654 | const std::vector<float> val, |
---|
| 655 | const std::string& mode, |
---|
| 656 | const std::string& opmode, |
---|
| 657 | bool tsys ) |
---|
| 658 | { |
---|
| 659 | CountedPtr< Scantable > out ; |
---|
| 660 | if ( opmode == "channel" ) { |
---|
| 661 | out = arrayOperateChannel( in, val, mode, tsys ) ; |
---|
| 662 | } |
---|
| 663 | else if ( opmode == "row" ) { |
---|
| 664 | out = arrayOperateRow( in, val, mode, tsys ) ; |
---|
| 665 | } |
---|
| 666 | else { |
---|
| 667 | throw( AipsError( "Unknown array operation mode." ) ) ; |
---|
| 668 | } |
---|
| 669 | return out ; |
---|
| 670 | } |
---|
| 671 | |
---|
| 672 | CountedPtr< Scantable > STMath::arrayOperateChannel( const CountedPtr< Scantable >& in, |
---|
| 673 | const std::vector<float> val, |
---|
| 674 | const std::string& mode, |
---|
| 675 | bool tsys ) |
---|
| 676 | { |
---|
| 677 | if ( val.size() == 1 ){ |
---|
| 678 | return unaryOperate( in, val[0], mode, tsys ) ; |
---|
| 679 | } |
---|
| 680 | |
---|
| 681 | // conformity of SPECTRA and TSYS |
---|
| 682 | if ( tsys ) { |
---|
| 683 | TableIterator titer(in->table(), "IFNO"); |
---|
| 684 | while ( !titer.pastEnd() ) { |
---|
| 685 | ArrayColumn<Float> specCol( in->table(), "SPECTRA" ) ; |
---|
| 686 | ArrayColumn<Float> tsysCol( in->table(), "TSYS" ) ; |
---|
| 687 | Array<Float> spec = specCol.getColumn() ; |
---|
| 688 | Array<Float> ts = tsysCol.getColumn() ; |
---|
| 689 | if ( !spec.conform( ts ) ) { |
---|
| 690 | throw( AipsError( "SPECTRA and TSYS must conform in shape if you want to apply operation on Tsys." ) ) ; |
---|
| 691 | } |
---|
| 692 | titer.next() ; |
---|
| 693 | } |
---|
| 694 | } |
---|
| 695 | |
---|
| 696 | // check if all spectra in the scantable have the same number of channel |
---|
| 697 | vector<uInt> nchans; |
---|
| 698 | vector<uInt> ifnos = in->getIFNos() ; |
---|
| 699 | for ( uInt i = 0 ; i < ifnos.size() ; i++ ) { |
---|
| 700 | nchans.push_back( in->nchan( ifnos[i] ) ) ; |
---|
| 701 | } |
---|
| 702 | Vector<uInt> mchans( nchans ) ; |
---|
| 703 | if ( anyNE( mchans, mchans[0] ) ) { |
---|
| 704 | throw( AipsError("All spectra in the input scantable must have the same number of channel for vector operation." ) ) ; |
---|
| 705 | } |
---|
| 706 | |
---|
| 707 | // check if vector size is equal to nchan |
---|
| 708 | Vector<Float> fact( val ) ; |
---|
| 709 | if ( fact.nelements() != mchans[0] ) { |
---|
| 710 | throw( AipsError("Vector size must be 1 or be same as number of channel.") ) ; |
---|
| 711 | } |
---|
| 712 | |
---|
| 713 | // check divided by zero |
---|
| 714 | if ( ( mode == "DIV" ) && anyEQ( fact, (float)0.0 ) ) { |
---|
| 715 | throw( AipsError("Divided by zero is not recommended." ) ) ; |
---|
| 716 | } |
---|
| 717 | |
---|
| 718 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 719 | Table& tab = out->table(); |
---|
| 720 | ArrayColumn<Float> specCol(tab,"SPECTRA"); |
---|
| 721 | ArrayColumn<Float> tsysCol(tab,"TSYS"); |
---|
[2143] | 722 | if (mode == "DIV") fact = (float)1.0 / fact; |
---|
| 723 | else if (mode == "SUB") fact *= (float)-1.0 ; |
---|
[1819] | 724 | for (uInt i=0; i<tab.nrow(); ++i) { |
---|
| 725 | Vector<Float> spec; |
---|
| 726 | Vector<Float> ts; |
---|
| 727 | specCol.get(i, spec); |
---|
| 728 | tsysCol.get(i, ts); |
---|
| 729 | if (mode == "MUL" || mode == "DIV") { |
---|
[2143] | 730 | //if (mode == "DIV") fact = (float)1.0 / fact; |
---|
[1819] | 731 | spec *= fact; |
---|
| 732 | specCol.put(i, spec); |
---|
| 733 | if ( tsys ) { |
---|
| 734 | ts *= fact; |
---|
| 735 | tsysCol.put(i, ts); |
---|
| 736 | } |
---|
| 737 | } else if ( mode == "ADD" || mode == "SUB") { |
---|
[2143] | 738 | //if (mode == "SUB") fact *= (float)-1.0 ; |
---|
[1819] | 739 | spec += fact; |
---|
| 740 | specCol.put(i, spec); |
---|
| 741 | if ( tsys ) { |
---|
| 742 | ts += fact; |
---|
| 743 | tsysCol.put(i, ts); |
---|
| 744 | } |
---|
| 745 | } |
---|
| 746 | } |
---|
| 747 | return out; |
---|
| 748 | } |
---|
| 749 | |
---|
| 750 | CountedPtr< Scantable > STMath::arrayOperateRow( const CountedPtr< Scantable >& in, |
---|
| 751 | const std::vector<float> val, |
---|
| 752 | const std::string& mode, |
---|
| 753 | bool tsys ) |
---|
| 754 | { |
---|
| 755 | if ( val.size() == 1 ) { |
---|
| 756 | return unaryOperate( in, val[0], mode, tsys ) ; |
---|
| 757 | } |
---|
| 758 | |
---|
| 759 | // conformity of SPECTRA and TSYS |
---|
| 760 | if ( tsys ) { |
---|
| 761 | TableIterator titer(in->table(), "IFNO"); |
---|
| 762 | while ( !titer.pastEnd() ) { |
---|
| 763 | ArrayColumn<Float> specCol( in->table(), "SPECTRA" ) ; |
---|
| 764 | ArrayColumn<Float> tsysCol( in->table(), "TSYS" ) ; |
---|
| 765 | Array<Float> spec = specCol.getColumn() ; |
---|
| 766 | Array<Float> ts = tsysCol.getColumn() ; |
---|
| 767 | if ( !spec.conform( ts ) ) { |
---|
| 768 | throw( AipsError( "SPECTRA and TSYS must conform in shape if you want to apply operation on Tsys." ) ) ; |
---|
| 769 | } |
---|
| 770 | titer.next() ; |
---|
| 771 | } |
---|
| 772 | } |
---|
| 773 | |
---|
| 774 | // check if vector size is equal to nrow |
---|
| 775 | Vector<Float> fact( val ) ; |
---|
[2125] | 776 | if (fact.nelements() != uInt(in->nrow())) { |
---|
[1819] | 777 | throw( AipsError("Vector size must be 1 or be same as number of row.") ) ; |
---|
| 778 | } |
---|
| 779 | |
---|
| 780 | // check divided by zero |
---|
| 781 | if ( ( mode == "DIV" ) && anyEQ( fact, (float)0.0 ) ) { |
---|
| 782 | throw( AipsError("Divided by zero is not recommended." ) ) ; |
---|
| 783 | } |
---|
| 784 | |
---|
| 785 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 786 | Table& tab = out->table(); |
---|
| 787 | ArrayColumn<Float> specCol(tab,"SPECTRA"); |
---|
| 788 | ArrayColumn<Float> tsysCol(tab,"TSYS"); |
---|
| 789 | if (mode == "DIV") fact = (float)1.0 / fact; |
---|
| 790 | if (mode == "SUB") fact *= (float)-1.0 ; |
---|
| 791 | for (uInt i=0; i<tab.nrow(); ++i) { |
---|
| 792 | Vector<Float> spec; |
---|
| 793 | Vector<Float> ts; |
---|
| 794 | specCol.get(i, spec); |
---|
| 795 | tsysCol.get(i, ts); |
---|
| 796 | if (mode == "MUL" || mode == "DIV") { |
---|
| 797 | spec *= fact[i]; |
---|
| 798 | specCol.put(i, spec); |
---|
| 799 | if ( tsys ) { |
---|
| 800 | ts *= fact[i]; |
---|
| 801 | tsysCol.put(i, ts); |
---|
| 802 | } |
---|
| 803 | } else if ( mode == "ADD" || mode == "SUB") { |
---|
| 804 | spec += fact[i]; |
---|
| 805 | specCol.put(i, spec); |
---|
| 806 | if ( tsys ) { |
---|
| 807 | ts += fact[i]; |
---|
| 808 | tsysCol.put(i, ts); |
---|
| 809 | } |
---|
| 810 | } |
---|
| 811 | } |
---|
| 812 | return out; |
---|
| 813 | } |
---|
| 814 | |
---|
| 815 | CountedPtr< Scantable > STMath::array2dOperate( const CountedPtr< Scantable >& in, |
---|
| 816 | const std::vector< std::vector<float> > val, |
---|
| 817 | const std::string& mode, |
---|
| 818 | bool tsys ) |
---|
| 819 | { |
---|
| 820 | // conformity of SPECTRA and TSYS |
---|
| 821 | if ( tsys ) { |
---|
| 822 | TableIterator titer(in->table(), "IFNO"); |
---|
| 823 | while ( !titer.pastEnd() ) { |
---|
| 824 | ArrayColumn<Float> specCol( in->table(), "SPECTRA" ) ; |
---|
| 825 | ArrayColumn<Float> tsysCol( in->table(), "TSYS" ) ; |
---|
| 826 | Array<Float> spec = specCol.getColumn() ; |
---|
| 827 | Array<Float> ts = tsysCol.getColumn() ; |
---|
| 828 | if ( !spec.conform( ts ) ) { |
---|
| 829 | throw( AipsError( "SPECTRA and TSYS must conform in shape if you want to apply operation on Tsys." ) ) ; |
---|
| 830 | } |
---|
| 831 | titer.next() ; |
---|
| 832 | } |
---|
| 833 | } |
---|
| 834 | |
---|
| 835 | // some checks |
---|
| 836 | vector<uInt> nchans; |
---|
[2125] | 837 | for (Int i = 0 ; i < in->nrow() ; i++) { |
---|
| 838 | nchans.push_back((in->getSpectrum(i)).size()); |
---|
[1819] | 839 | } |
---|
| 840 | //Vector<uInt> mchans( nchans ) ; |
---|
| 841 | vector< Vector<Float> > facts ; |
---|
| 842 | for ( uInt i = 0 ; i < nchans.size() ; i++ ) { |
---|
| 843 | Vector<Float> tmp( val[i] ) ; |
---|
| 844 | // check divided by zero |
---|
| 845 | if ( ( mode == "DIV" ) && anyEQ( tmp, (float)0.0 ) ) { |
---|
| 846 | throw( AipsError("Divided by zero is not recommended." ) ) ; |
---|
| 847 | } |
---|
| 848 | // conformity check |
---|
| 849 | if ( tmp.nelements() != nchans[i] ) { |
---|
| 850 | stringstream ss ; |
---|
| 851 | ss << "Row " << i << ": Vector size must be same as number of channel." ; |
---|
| 852 | throw( AipsError( ss.str() ) ) ; |
---|
| 853 | } |
---|
| 854 | facts.push_back( tmp ) ; |
---|
| 855 | } |
---|
| 856 | |
---|
| 857 | |
---|
| 858 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 859 | Table& tab = out->table(); |
---|
| 860 | ArrayColumn<Float> specCol(tab,"SPECTRA"); |
---|
| 861 | ArrayColumn<Float> tsysCol(tab,"TSYS"); |
---|
| 862 | for (uInt i=0; i<tab.nrow(); ++i) { |
---|
| 863 | Vector<Float> fact = facts[i] ; |
---|
| 864 | Vector<Float> spec; |
---|
| 865 | Vector<Float> ts; |
---|
| 866 | specCol.get(i, spec); |
---|
| 867 | tsysCol.get(i, ts); |
---|
| 868 | if (mode == "MUL" || mode == "DIV") { |
---|
| 869 | if (mode == "DIV") fact = (float)1.0 / fact; |
---|
| 870 | spec *= fact; |
---|
| 871 | specCol.put(i, spec); |
---|
| 872 | if ( tsys ) { |
---|
| 873 | ts *= fact; |
---|
| 874 | tsysCol.put(i, ts); |
---|
| 875 | } |
---|
| 876 | } else if ( mode == "ADD" || mode == "SUB") { |
---|
| 877 | if (mode == "SUB") fact *= (float)-1.0 ; |
---|
| 878 | spec += fact; |
---|
| 879 | specCol.put(i, spec); |
---|
| 880 | if ( tsys ) { |
---|
| 881 | ts += fact; |
---|
| 882 | tsysCol.put(i, ts); |
---|
| 883 | } |
---|
| 884 | } |
---|
| 885 | } |
---|
| 886 | return out; |
---|
| 887 | } |
---|
| 888 | |
---|
[1569] | 889 | CountedPtr<Scantable> STMath::binaryOperate(const CountedPtr<Scantable>& left, |
---|
| 890 | const CountedPtr<Scantable>& right, |
---|
[1308] | 891 | const std::string& mode) |
---|
| 892 | { |
---|
| 893 | bool insitu = insitu_; |
---|
| 894 | if ( ! left->conformant(*right) ) { |
---|
| 895 | throw(AipsError("'left' and 'right' scantables are not conformant.")); |
---|
| 896 | } |
---|
| 897 | setInsitu(false); |
---|
| 898 | CountedPtr< Scantable > out = getScantable(left, false); |
---|
| 899 | setInsitu(insitu); |
---|
| 900 | Table& tout = out->table(); |
---|
| 901 | Block<String> coln(5); |
---|
| 902 | coln[0] = "SCANNO"; coln[1] = "CYCLENO"; coln[2] = "BEAMNO"; |
---|
| 903 | coln[3] = "IFNO"; coln[4] = "POLNO"; |
---|
| 904 | Table tmpl = tout.sort(coln); |
---|
| 905 | Table tmpr = right->table().sort(coln); |
---|
| 906 | ArrayColumn<Float> lspecCol(tmpl,"SPECTRA"); |
---|
| 907 | ROArrayColumn<Float> rspecCol(tmpr,"SPECTRA"); |
---|
| 908 | ArrayColumn<uChar> lflagCol(tmpl,"FLAGTRA"); |
---|
| 909 | ROArrayColumn<uChar> rflagCol(tmpr,"FLAGTRA"); |
---|
| 910 | |
---|
| 911 | for (uInt i=0; i<tout.nrow(); ++i) { |
---|
| 912 | Vector<Float> lspecvec, rspecvec; |
---|
| 913 | Vector<uChar> lflagvec, rflagvec; |
---|
| 914 | lspecvec = lspecCol(i); rspecvec = rspecCol(i); |
---|
| 915 | lflagvec = lflagCol(i); rflagvec = rflagCol(i); |
---|
| 916 | MaskedArray<Float> mleft = maskedArray(lspecvec, lflagvec); |
---|
| 917 | MaskedArray<Float> mright = maskedArray(rspecvec, rflagvec); |
---|
| 918 | if (mode == "ADD") { |
---|
| 919 | mleft += mright; |
---|
| 920 | } else if ( mode == "SUB") { |
---|
| 921 | mleft -= mright; |
---|
| 922 | } else if ( mode == "MUL") { |
---|
| 923 | mleft *= mright; |
---|
| 924 | } else if ( mode == "DIV") { |
---|
| 925 | mleft /= mright; |
---|
| 926 | } else { |
---|
| 927 | throw(AipsError("Illegal binary operator")); |
---|
| 928 | } |
---|
| 929 | lspecCol.put(i, mleft.getArray()); |
---|
| 930 | } |
---|
| 931 | return out; |
---|
| 932 | } |
---|
| 933 | |
---|
| 934 | |
---|
| 935 | |
---|
[805] | 936 | MaskedArray<Float> STMath::maskedArray( const Vector<Float>& s, |
---|
| 937 | const Vector<uChar>& f) |
---|
| 938 | { |
---|
| 939 | Vector<Bool> mask; |
---|
| 940 | mask.resize(f.shape()); |
---|
| 941 | convertArray(mask, f); |
---|
| 942 | return MaskedArray<Float>(s,!mask); |
---|
| 943 | } |
---|
[248] | 944 | |
---|
[1819] | 945 | MaskedArray<Double> STMath::maskedArray( const Vector<Double>& s, |
---|
| 946 | const Vector<uChar>& f) |
---|
| 947 | { |
---|
| 948 | Vector<Bool> mask; |
---|
| 949 | mask.resize(f.shape()); |
---|
| 950 | convertArray(mask, f); |
---|
| 951 | return MaskedArray<Double>(s,!mask); |
---|
| 952 | } |
---|
| 953 | |
---|
[805] | 954 | Vector<uChar> STMath::flagsFromMA(const MaskedArray<Float>& ma) |
---|
| 955 | { |
---|
| 956 | const Vector<Bool>& m = ma.getMask(); |
---|
| 957 | Vector<uChar> flags(m.shape()); |
---|
| 958 | convertArray(flags, !m); |
---|
| 959 | return flags; |
---|
| 960 | } |
---|
[234] | 961 | |
---|
[1066] | 962 | CountedPtr< Scantable > STMath::autoQuotient( const CountedPtr< Scantable >& in, |
---|
| 963 | const std::string & mode, |
---|
| 964 | bool preserve ) |
---|
[805] | 965 | { |
---|
| 966 | /// @todo make other modes available |
---|
| 967 | /// modes should be "nearest", "pair" |
---|
| 968 | // make this operation non insitu |
---|
[2163] | 969 | (void) mode; //currently unused |
---|
[805] | 970 | const Table& tin = in->table(); |
---|
[1819] | 971 | Table ons = tin(tin.col("SRCTYPE") == Int(SrcType::PSON)); |
---|
| 972 | Table offs = tin(tin.col("SRCTYPE") == Int(SrcType::PSOFF)); |
---|
[805] | 973 | if ( offs.nrow() == 0 ) |
---|
| 974 | throw(AipsError("No 'off' scans present.")); |
---|
| 975 | // put all "on" scans into output table |
---|
[701] | 976 | |
---|
[805] | 977 | bool insitu = insitu_; |
---|
| 978 | setInsitu(false); |
---|
| 979 | CountedPtr< Scantable > out = getScantable(in, true); |
---|
| 980 | setInsitu(insitu); |
---|
| 981 | Table& tout = out->table(); |
---|
[248] | 982 | |
---|
[805] | 983 | TableCopy::copyRows(tout, ons); |
---|
| 984 | TableRow row(tout); |
---|
| 985 | ROScalarColumn<Double> offtimeCol(offs, "TIME"); |
---|
| 986 | ArrayColumn<Float> outspecCol(tout, "SPECTRA"); |
---|
| 987 | ROArrayColumn<Float> outtsysCol(tout, "TSYS"); |
---|
| 988 | ArrayColumn<uChar> outflagCol(tout, "FLAGTRA"); |
---|
| 989 | for (uInt i=0; i < tout.nrow(); ++i) { |
---|
| 990 | const TableRecord& rec = row.get(i); |
---|
| 991 | Double ontime = rec.asDouble("TIME"); |
---|
[1321] | 992 | Table presel = offs(offs.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
| 993 | && offs.col("IFNO") == Int(rec.asuInt("IFNO")) |
---|
| 994 | && offs.col("POLNO") == Int(rec.asuInt("POLNO")) ); |
---|
| 995 | ROScalarColumn<Double> offtimeCol(presel, "TIME"); |
---|
| 996 | |
---|
[805] | 997 | Double mindeltat = min(abs(offtimeCol.getColumn() - ontime)); |
---|
[1259] | 998 | // Timestamp may vary within a cycle ???!!! |
---|
[1321] | 999 | // increase this by 0.01 sec in case of rounding errors... |
---|
[1259] | 1000 | // There might be a better way to do this. |
---|
[1321] | 1001 | // fix to this fix. TIME is MJD, so 1.0d not 1.0s |
---|
| 1002 | mindeltat += 0.01/24./60./60.; |
---|
| 1003 | Table sel = presel( abs(presel.col("TIME")-ontime) <= mindeltat); |
---|
[780] | 1004 | |
---|
[1259] | 1005 | if ( sel.nrow() < 1 ) { |
---|
| 1006 | throw(AipsError("No closest in time found... This could be a rounding " |
---|
| 1007 | "issue. Try quotient instead.")); |
---|
| 1008 | } |
---|
[805] | 1009 | TableRow offrow(sel); |
---|
| 1010 | const TableRecord& offrec = offrow.get(0);//should only be one row |
---|
| 1011 | RORecordFieldPtr< Array<Float> > specoff(offrec, "SPECTRA"); |
---|
| 1012 | RORecordFieldPtr< Array<Float> > tsysoff(offrec, "TSYS"); |
---|
| 1013 | RORecordFieldPtr< Array<uChar> > flagoff(offrec, "FLAGTRA"); |
---|
| 1014 | /// @fixme this assumes tsys is a scalar not vector |
---|
| 1015 | Float tsysoffscalar = (*tsysoff)(IPosition(1,0)); |
---|
| 1016 | Vector<Float> specon, tsyson; |
---|
| 1017 | outtsysCol.get(i, tsyson); |
---|
| 1018 | outspecCol.get(i, specon); |
---|
| 1019 | Vector<uChar> flagon; |
---|
| 1020 | outflagCol.get(i, flagon); |
---|
| 1021 | MaskedArray<Float> mon = maskedArray(specon, flagon); |
---|
| 1022 | MaskedArray<Float> moff = maskedArray(*specoff, *flagoff); |
---|
| 1023 | MaskedArray<Float> quot = (tsysoffscalar * mon / moff); |
---|
| 1024 | if (preserve) { |
---|
| 1025 | quot -= tsysoffscalar; |
---|
| 1026 | } else { |
---|
| 1027 | quot -= tsyson[0]; |
---|
[701] | 1028 | } |
---|
[805] | 1029 | outspecCol.put(i, quot.getArray()); |
---|
| 1030 | outflagCol.put(i, flagsFromMA(quot)); |
---|
| 1031 | } |
---|
[926] | 1032 | // renumber scanno |
---|
| 1033 | TableIterator it(tout, "SCANNO"); |
---|
| 1034 | uInt i = 0; |
---|
| 1035 | while ( !it.pastEnd() ) { |
---|
| 1036 | Table t = it.table(); |
---|
| 1037 | TableVector<uInt> vec(t, "SCANNO"); |
---|
| 1038 | vec = i; |
---|
| 1039 | ++i; |
---|
| 1040 | ++it; |
---|
| 1041 | } |
---|
[805] | 1042 | return out; |
---|
| 1043 | } |
---|
[234] | 1044 | |
---|
[1066] | 1045 | |
---|
| 1046 | CountedPtr< Scantable > STMath::quotient( const CountedPtr< Scantable > & on, |
---|
| 1047 | const CountedPtr< Scantable > & off, |
---|
| 1048 | bool preserve ) |
---|
| 1049 | { |
---|
| 1050 | bool insitu = insitu_; |
---|
[1069] | 1051 | if ( ! on->conformant(*off) ) { |
---|
| 1052 | throw(AipsError("'on' and 'off' scantables are not conformant.")); |
---|
| 1053 | } |
---|
[1066] | 1054 | setInsitu(false); |
---|
| 1055 | CountedPtr< Scantable > out = getScantable(on, false); |
---|
| 1056 | setInsitu(insitu); |
---|
| 1057 | Table& tout = out->table(); |
---|
| 1058 | const Table& toff = off->table(); |
---|
| 1059 | TableIterator sit(tout, "SCANNO"); |
---|
| 1060 | TableIterator s2it(toff, "SCANNO"); |
---|
| 1061 | while ( !sit.pastEnd() ) { |
---|
| 1062 | Table ton = sit.table(); |
---|
| 1063 | TableRow row(ton); |
---|
| 1064 | Table t = s2it.table(); |
---|
| 1065 | ArrayColumn<Float> outspecCol(ton, "SPECTRA"); |
---|
| 1066 | ROArrayColumn<Float> outtsysCol(ton, "TSYS"); |
---|
| 1067 | ArrayColumn<uChar> outflagCol(ton, "FLAGTRA"); |
---|
| 1068 | for (uInt i=0; i < ton.nrow(); ++i) { |
---|
| 1069 | const TableRecord& rec = row.get(i); |
---|
| 1070 | Table offsel = t( t.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
| 1071 | && t.col("IFNO") == Int(rec.asuInt("IFNO")) |
---|
| 1072 | && t.col("POLNO") == Int(rec.asuInt("POLNO")) ); |
---|
[1145] | 1073 | if ( offsel.nrow() == 0 ) |
---|
| 1074 | throw AipsError("STMath::quotient: no matching off"); |
---|
[1066] | 1075 | TableRow offrow(offsel); |
---|
| 1076 | const TableRecord& offrec = offrow.get(0);//should be ncycles - take first |
---|
| 1077 | RORecordFieldPtr< Array<Float> > specoff(offrec, "SPECTRA"); |
---|
| 1078 | RORecordFieldPtr< Array<Float> > tsysoff(offrec, "TSYS"); |
---|
| 1079 | RORecordFieldPtr< Array<uChar> > flagoff(offrec, "FLAGTRA"); |
---|
| 1080 | Float tsysoffscalar = (*tsysoff)(IPosition(1,0)); |
---|
| 1081 | Vector<Float> specon, tsyson; |
---|
| 1082 | outtsysCol.get(i, tsyson); |
---|
| 1083 | outspecCol.get(i, specon); |
---|
| 1084 | Vector<uChar> flagon; |
---|
| 1085 | outflagCol.get(i, flagon); |
---|
| 1086 | MaskedArray<Float> mon = maskedArray(specon, flagon); |
---|
| 1087 | MaskedArray<Float> moff = maskedArray(*specoff, *flagoff); |
---|
| 1088 | MaskedArray<Float> quot = (tsysoffscalar * mon / moff); |
---|
| 1089 | if (preserve) { |
---|
| 1090 | quot -= tsysoffscalar; |
---|
| 1091 | } else { |
---|
| 1092 | quot -= tsyson[0]; |
---|
| 1093 | } |
---|
| 1094 | outspecCol.put(i, quot.getArray()); |
---|
| 1095 | outflagCol.put(i, flagsFromMA(quot)); |
---|
| 1096 | } |
---|
| 1097 | ++sit; |
---|
| 1098 | ++s2it; |
---|
| 1099 | // take the first off for each on scan which doesn't have a |
---|
| 1100 | // matching off scan |
---|
| 1101 | // non <= noff: matching pairs, non > noff matching pairs then first off |
---|
| 1102 | if ( s2it.pastEnd() ) s2it.reset(); |
---|
| 1103 | } |
---|
| 1104 | return out; |
---|
| 1105 | } |
---|
| 1106 | |
---|
[1391] | 1107 | // dototalpower (migration of GBTIDL procedure dototalpower.pro) |
---|
| 1108 | // calibrate the CAL on-off pair. It calculate Tsys and average CAL on-off subintegrations |
---|
| 1109 | // do it for each cycles in a specific scan. |
---|
| 1110 | CountedPtr< Scantable > STMath::dototalpower( const CountedPtr< Scantable >& calon, |
---|
| 1111 | const CountedPtr< Scantable >& caloff, Float tcal ) |
---|
| 1112 | { |
---|
[2289] | 1113 | if ( ! calon->conformant(*caloff) ) { |
---|
[1391] | 1114 | throw(AipsError("'CAL on' and 'CAL off' scantables are not conformant.")); |
---|
| 1115 | } |
---|
| 1116 | setInsitu(false); |
---|
| 1117 | CountedPtr< Scantable > out = getScantable(caloff, false); |
---|
| 1118 | Table& tout = out->table(); |
---|
| 1119 | const Table& tcon = calon->table(); |
---|
| 1120 | Vector<Float> tcalout; |
---|
[1066] | 1121 | |
---|
[2289] | 1122 | std::map<uInt,uInt> tcalIdToRecNoMap; |
---|
| 1123 | const Table& calOffTcalTable = caloff->tcal().table(); |
---|
| 1124 | { |
---|
| 1125 | ROScalarColumn<uInt> calOffTcalTable_IDcol(calOffTcalTable, "ID"); |
---|
| 1126 | const Vector<uInt> tcalIds(calOffTcalTable_IDcol.getColumn()); |
---|
| 1127 | size_t tcalIdsEnd = tcalIds.nelements(); |
---|
| 1128 | for (uInt i = 0; i < tcalIdsEnd; i++) { |
---|
| 1129 | tcalIdToRecNoMap[tcalIds[i]] = i; |
---|
| 1130 | } |
---|
| 1131 | } |
---|
| 1132 | ROArrayColumn<Float> calOffTcalTable_TCALcol(calOffTcalTable, "TCAL"); |
---|
| 1133 | |
---|
[1391] | 1134 | if ( tout.nrow() != tcon.nrow() ) { |
---|
| 1135 | throw(AipsError("Mismatch in number of rows to form cal on - off pair.")); |
---|
| 1136 | } |
---|
| 1137 | // iteration by scanno or cycle no. |
---|
| 1138 | TableIterator sit(tout, "SCANNO"); |
---|
| 1139 | TableIterator s2it(tcon, "SCANNO"); |
---|
| 1140 | while ( !sit.pastEnd() ) { |
---|
| 1141 | Table toff = sit.table(); |
---|
| 1142 | TableRow row(toff); |
---|
| 1143 | Table t = s2it.table(); |
---|
| 1144 | ScalarColumn<Double> outintCol(toff, "INTERVAL"); |
---|
| 1145 | ArrayColumn<Float> outspecCol(toff, "SPECTRA"); |
---|
| 1146 | ArrayColumn<Float> outtsysCol(toff, "TSYS"); |
---|
| 1147 | ArrayColumn<uChar> outflagCol(toff, "FLAGTRA"); |
---|
| 1148 | ROScalarColumn<uInt> outtcalIdCol(toff, "TCAL_ID"); |
---|
| 1149 | ROScalarColumn<uInt> outpolCol(toff, "POLNO"); |
---|
| 1150 | ROScalarColumn<Double> onintCol(t, "INTERVAL"); |
---|
| 1151 | ROArrayColumn<Float> onspecCol(t, "SPECTRA"); |
---|
| 1152 | ROArrayColumn<Float> ontsysCol(t, "TSYS"); |
---|
| 1153 | ROArrayColumn<uChar> onflagCol(t, "FLAGTRA"); |
---|
| 1154 | //ROScalarColumn<uInt> ontcalIdCol(t, "TCAL_ID"); |
---|
| 1155 | |
---|
| 1156 | for (uInt i=0; i < toff.nrow(); ++i) { |
---|
| 1157 | //skip these checks -> assumes the data order are the same between the cal on off pairs |
---|
| 1158 | // |
---|
| 1159 | Vector<Float> specCalon, specCaloff; |
---|
| 1160 | // to store scalar (mean) tsys |
---|
| 1161 | Vector<Float> tsysout(1); |
---|
| 1162 | uInt tcalId, polno; |
---|
| 1163 | Double offint, onint; |
---|
| 1164 | outpolCol.get(i, polno); |
---|
| 1165 | outspecCol.get(i, specCaloff); |
---|
| 1166 | onspecCol.get(i, specCalon); |
---|
| 1167 | Vector<uChar> flagCaloff, flagCalon; |
---|
| 1168 | outflagCol.get(i, flagCaloff); |
---|
| 1169 | onflagCol.get(i, flagCalon); |
---|
| 1170 | outtcalIdCol.get(i, tcalId); |
---|
| 1171 | outintCol.get(i, offint); |
---|
| 1172 | onintCol.get(i, onint); |
---|
| 1173 | // caluculate mean Tsys |
---|
| 1174 | uInt nchan = specCaloff.nelements(); |
---|
| 1175 | // percentage of edge cut off |
---|
| 1176 | uInt pc = 10; |
---|
| 1177 | uInt bchan = nchan/pc; |
---|
| 1178 | uInt echan = nchan-bchan; |
---|
| 1179 | |
---|
| 1180 | Slicer chansl(IPosition(1,bchan-1), IPosition(1,echan-1), IPosition(1,1),Slicer::endIsLast); |
---|
| 1181 | Vector<Float> testsubsp = specCaloff(chansl); |
---|
| 1182 | MaskedArray<Float> spoff = maskedArray( specCaloff(chansl),flagCaloff(chansl) ); |
---|
| 1183 | MaskedArray<Float> spon = maskedArray( specCalon(chansl),flagCalon(chansl) ); |
---|
| 1184 | MaskedArray<Float> spdiff = spon-spoff; |
---|
| 1185 | uInt noff = spoff.nelementsValid(); |
---|
| 1186 | //uInt non = spon.nelementsValid(); |
---|
| 1187 | uInt ndiff = spdiff.nelementsValid(); |
---|
| 1188 | Float meantsys; |
---|
| 1189 | |
---|
| 1190 | /** |
---|
| 1191 | Double subspec, subdiff; |
---|
| 1192 | uInt usednchan; |
---|
| 1193 | subspec = 0; |
---|
| 1194 | subdiff = 0; |
---|
| 1195 | usednchan = 0; |
---|
| 1196 | for(uInt k=(bchan-1); k<echan; k++) { |
---|
| 1197 | subspec += specCaloff[k]; |
---|
| 1198 | subdiff += static_cast<Double>(specCalon[k]-specCaloff[k]); |
---|
| 1199 | ++usednchan; |
---|
| 1200 | } |
---|
| 1201 | **/ |
---|
| 1202 | // get tcal if input tcal <= 0 |
---|
| 1203 | Float tcalUsed; |
---|
| 1204 | tcalUsed = tcal; |
---|
| 1205 | if ( tcal <= 0.0 ) { |
---|
[2289] | 1206 | uInt tcalRecNo = tcalIdToRecNoMap[tcalId]; |
---|
| 1207 | calOffTcalTable_TCALcol.get(tcalRecNo, tcalout); |
---|
[2004] | 1208 | // if (polno<=3) { |
---|
| 1209 | // tcalUsed = tcalout[polno]; |
---|
| 1210 | // } |
---|
| 1211 | // else { |
---|
| 1212 | // tcalUsed = tcalout[0]; |
---|
| 1213 | // } |
---|
| 1214 | if ( tcalout.size() == 1 ) |
---|
| 1215 | tcalUsed = tcalout[0] ; |
---|
| 1216 | else if ( tcalout.size() == nchan ) |
---|
| 1217 | tcalUsed = mean(tcalout) ; |
---|
[1391] | 1218 | else { |
---|
[2004] | 1219 | uInt ipol = polno ; |
---|
| 1220 | if ( ipol > 3 ) ipol = 0 ; |
---|
| 1221 | tcalUsed = tcalout[ipol] ; |
---|
[1391] | 1222 | } |
---|
| 1223 | } |
---|
| 1224 | |
---|
| 1225 | Float meanoff; |
---|
| 1226 | Float meandiff; |
---|
| 1227 | if (noff && ndiff) { |
---|
| 1228 | //Debug |
---|
| 1229 | //if(noff!=ndiff) cerr<<"noff and ndiff is not equal"<<endl; |
---|
[1819] | 1230 | //LogIO os( LogOrigin( "STMath", "dototalpower()", WHERE ) ) ; |
---|
| 1231 | //if(noff!=ndiff) os<<"noff and ndiff is not equal"<<LogIO::POST; |
---|
[1391] | 1232 | meanoff = sum(spoff)/noff; |
---|
| 1233 | meandiff = sum(spdiff)/ndiff; |
---|
| 1234 | meantsys= (meanoff/meandiff )*tcalUsed + tcalUsed/2; |
---|
| 1235 | } |
---|
| 1236 | else { |
---|
| 1237 | meantsys=1; |
---|
| 1238 | } |
---|
| 1239 | |
---|
| 1240 | tsysout[0] = Float(meantsys); |
---|
| 1241 | MaskedArray<Float> mcaloff = maskedArray(specCaloff, flagCaloff); |
---|
| 1242 | MaskedArray<Float> mcalon = maskedArray(specCalon, flagCalon); |
---|
| 1243 | MaskedArray<Float> sig = Float(0.5) * (mcaloff + mcalon); |
---|
| 1244 | //uInt ncaloff = mcaloff.nelementsValid(); |
---|
| 1245 | //uInt ncalon = mcalon.nelementsValid(); |
---|
| 1246 | |
---|
| 1247 | outintCol.put(i, offint+onint); |
---|
| 1248 | outspecCol.put(i, sig.getArray()); |
---|
| 1249 | outflagCol.put(i, flagsFromMA(sig)); |
---|
| 1250 | outtsysCol.put(i, tsysout); |
---|
| 1251 | } |
---|
| 1252 | ++sit; |
---|
| 1253 | ++s2it; |
---|
| 1254 | } |
---|
| 1255 | return out; |
---|
| 1256 | } |
---|
| 1257 | |
---|
| 1258 | //dosigref - migrated from GBT IDL's dosigref.pro, do calibration of position switch |
---|
| 1259 | // observatiions. |
---|
| 1260 | // input: sig and ref scantables, and an optional boxcar smoothing width(default width=0, |
---|
| 1261 | // no smoothing). |
---|
| 1262 | // output: resultant scantable [= (sig-ref/ref)*tsys] |
---|
| 1263 | CountedPtr< Scantable > STMath::dosigref( const CountedPtr < Scantable >& sig, |
---|
| 1264 | const CountedPtr < Scantable >& ref, |
---|
| 1265 | int smoothref, |
---|
| 1266 | casa::Float tsysv, |
---|
| 1267 | casa::Float tau ) |
---|
| 1268 | { |
---|
[2658] | 1269 | LogIO os( casa::LogOrigin( "STMath", "dosigref()")); |
---|
[1391] | 1270 | if ( ! ref->conformant(*sig) ) { |
---|
| 1271 | throw(AipsError("'sig' and 'ref' scantables are not conformant.")); |
---|
| 1272 | } |
---|
| 1273 | setInsitu(false); |
---|
| 1274 | CountedPtr< Scantable > out = getScantable(sig, false); |
---|
| 1275 | CountedPtr< Scantable > smref; |
---|
| 1276 | if ( smoothref > 1 ) { |
---|
| 1277 | float fsmoothref = static_cast<float>(smoothref); |
---|
| 1278 | std::string inkernel = "boxcar"; |
---|
| 1279 | smref = smooth(ref, inkernel, fsmoothref ); |
---|
| 1280 | ostringstream oss; |
---|
[2658] | 1281 | os <<"Applied smoothing of "<<fsmoothref<<" on the reference." |
---|
| 1282 | << LogIO::POST; |
---|
[1391] | 1283 | } |
---|
| 1284 | else { |
---|
| 1285 | smref = ref; |
---|
| 1286 | } |
---|
| 1287 | Table& tout = out->table(); |
---|
| 1288 | const Table& tref = smref->table(); |
---|
| 1289 | if ( tout.nrow() != tref.nrow() ) { |
---|
| 1290 | throw(AipsError("Mismatch in number of rows to form on-source and reference pair.")); |
---|
| 1291 | } |
---|
| 1292 | // iteration by scanno? or cycle no. |
---|
| 1293 | TableIterator sit(tout, "SCANNO"); |
---|
| 1294 | TableIterator s2it(tref, "SCANNO"); |
---|
| 1295 | while ( !sit.pastEnd() ) { |
---|
| 1296 | Table ton = sit.table(); |
---|
| 1297 | Table t = s2it.table(); |
---|
| 1298 | ScalarColumn<Double> outintCol(ton, "INTERVAL"); |
---|
| 1299 | ArrayColumn<Float> outspecCol(ton, "SPECTRA"); |
---|
| 1300 | ArrayColumn<Float> outtsysCol(ton, "TSYS"); |
---|
| 1301 | ArrayColumn<uChar> outflagCol(ton, "FLAGTRA"); |
---|
| 1302 | ArrayColumn<Float> refspecCol(t, "SPECTRA"); |
---|
| 1303 | ROScalarColumn<Double> refintCol(t, "INTERVAL"); |
---|
| 1304 | ROArrayColumn<Float> reftsysCol(t, "TSYS"); |
---|
| 1305 | ArrayColumn<uChar> refflagCol(t, "FLAGTRA"); |
---|
| 1306 | ROScalarColumn<Float> refelevCol(t, "ELEVATION"); |
---|
| 1307 | for (uInt i=0; i < ton.nrow(); ++i) { |
---|
| 1308 | |
---|
| 1309 | Double onint, refint; |
---|
| 1310 | Vector<Float> specon, specref; |
---|
| 1311 | // to store scalar (mean) tsys |
---|
| 1312 | Vector<Float> tsysref; |
---|
| 1313 | outintCol.get(i, onint); |
---|
| 1314 | refintCol.get(i, refint); |
---|
| 1315 | outspecCol.get(i, specon); |
---|
| 1316 | refspecCol.get(i, specref); |
---|
| 1317 | Vector<uChar> flagref, flagon; |
---|
| 1318 | outflagCol.get(i, flagon); |
---|
| 1319 | refflagCol.get(i, flagref); |
---|
| 1320 | reftsysCol.get(i, tsysref); |
---|
| 1321 | |
---|
| 1322 | Float tsysrefscalar; |
---|
| 1323 | if ( tsysv > 0.0 ) { |
---|
| 1324 | ostringstream oss; |
---|
| 1325 | Float elev; |
---|
| 1326 | refelevCol.get(i, elev); |
---|
[2658] | 1327 | os << "user specified Tsys = " << tsysv; |
---|
[1391] | 1328 | // do recalc elevation if EL = 0 |
---|
| 1329 | if ( elev == 0 ) { |
---|
| 1330 | throw(AipsError("EL=0, elevation data is missing.")); |
---|
| 1331 | } else { |
---|
| 1332 | if ( tau <= 0.0 ) { |
---|
| 1333 | throw(AipsError("Valid tau is not supplied.")); |
---|
| 1334 | } else { |
---|
| 1335 | tsysrefscalar = tsysv * exp(tau/elev); |
---|
| 1336 | } |
---|
| 1337 | } |
---|
[2658] | 1338 | os << ", corrected (for El) tsys= "<<tsysrefscalar; |
---|
[1391] | 1339 | } |
---|
| 1340 | else { |
---|
| 1341 | tsysrefscalar = tsysref[0]; |
---|
| 1342 | } |
---|
| 1343 | //get quotient spectrum |
---|
| 1344 | MaskedArray<Float> mref = maskedArray(specref, flagref); |
---|
| 1345 | MaskedArray<Float> mon = maskedArray(specon, flagon); |
---|
| 1346 | MaskedArray<Float> specres = tsysrefscalar*((mon - mref)/mref); |
---|
| 1347 | Double resint = onint*refint*smoothref/(onint+refint*smoothref); |
---|
| 1348 | |
---|
| 1349 | //Debug |
---|
| 1350 | //cerr<<"Tsys used="<<tsysrefscalar<<endl; |
---|
[1819] | 1351 | //LogIO os( LogOrigin( "STMath", "dosigref", WHERE ) ) ; |
---|
| 1352 | //os<<"Tsys used="<<tsysrefscalar<<LogIO::POST; |
---|
[1391] | 1353 | // fill the result, replay signal tsys by reference tsys |
---|
| 1354 | outintCol.put(i, resint); |
---|
| 1355 | outspecCol.put(i, specres.getArray()); |
---|
| 1356 | outflagCol.put(i, flagsFromMA(specres)); |
---|
| 1357 | outtsysCol.put(i, tsysref); |
---|
| 1358 | } |
---|
| 1359 | ++sit; |
---|
| 1360 | ++s2it; |
---|
| 1361 | } |
---|
[2695] | 1362 | |
---|
| 1363 | out->setFluxUnit("K"); |
---|
| 1364 | |
---|
[1391] | 1365 | return out; |
---|
| 1366 | } |
---|
| 1367 | |
---|
| 1368 | CountedPtr< Scantable > STMath::donod(const casa::CountedPtr<Scantable>& s, |
---|
| 1369 | const std::vector<int>& scans, |
---|
| 1370 | int smoothref, |
---|
| 1371 | casa::Float tsysv, |
---|
| 1372 | casa::Float tau, |
---|
| 1373 | casa::Float tcal ) |
---|
| 1374 | |
---|
| 1375 | { |
---|
| 1376 | setInsitu(false); |
---|
[2658] | 1377 | LogIO os( casa::LogOrigin( "STMath", "donod()")); |
---|
[1391] | 1378 | STSelector sel; |
---|
[1819] | 1379 | std::vector<int> scan1, scan2, beams, types; |
---|
[1391] | 1380 | std::vector< vector<int> > scanpair; |
---|
[1819] | 1381 | //std::vector<string> calstate; |
---|
| 1382 | std::vector<int> calstate; |
---|
[1391] | 1383 | String msg; |
---|
| 1384 | |
---|
| 1385 | CountedPtr< Scantable > s1b1on, s1b1off, s1b2on, s1b2off; |
---|
| 1386 | CountedPtr< Scantable > s2b1on, s2b1off, s2b2on, s2b2off; |
---|
| 1387 | |
---|
| 1388 | std::vector< CountedPtr< Scantable > > sctables; |
---|
| 1389 | sctables.push_back(s1b1on); |
---|
| 1390 | sctables.push_back(s1b1off); |
---|
| 1391 | sctables.push_back(s1b2on); |
---|
| 1392 | sctables.push_back(s1b2off); |
---|
| 1393 | sctables.push_back(s2b1on); |
---|
| 1394 | sctables.push_back(s2b1off); |
---|
| 1395 | sctables.push_back(s2b2on); |
---|
| 1396 | sctables.push_back(s2b2off); |
---|
| 1397 | |
---|
| 1398 | //check scanlist |
---|
| 1399 | int n=s->checkScanInfo(scans); |
---|
| 1400 | if (n==1) { |
---|
| 1401 | throw(AipsError("Incorrect scan pairs. ")); |
---|
| 1402 | } |
---|
| 1403 | |
---|
| 1404 | // Assume scans contain only a pair of consecutive scan numbers. |
---|
| 1405 | // It is assumed that first beam, b1, is on target. |
---|
| 1406 | // There is no check if the first beam is on or not. |
---|
| 1407 | if ( scans.size()==1 ) { |
---|
| 1408 | scan1.push_back(scans[0]); |
---|
| 1409 | scan2.push_back(scans[0]+1); |
---|
| 1410 | } else if ( scans.size()==2 ) { |
---|
| 1411 | scan1.push_back(scans[0]); |
---|
| 1412 | scan2.push_back(scans[1]); |
---|
| 1413 | } else { |
---|
| 1414 | if ( scans.size()%2 == 0 ) { |
---|
| 1415 | for (uInt i=0; i<scans.size(); i++) { |
---|
| 1416 | if (i%2 == 0) { |
---|
| 1417 | scan1.push_back(scans[i]); |
---|
| 1418 | } |
---|
| 1419 | else { |
---|
| 1420 | scan2.push_back(scans[i]); |
---|
| 1421 | } |
---|
| 1422 | } |
---|
| 1423 | } else { |
---|
| 1424 | throw(AipsError("Odd numbers of scans, cannot form pairs.")); |
---|
| 1425 | } |
---|
| 1426 | } |
---|
| 1427 | scanpair.push_back(scan1); |
---|
| 1428 | scanpair.push_back(scan2); |
---|
[1819] | 1429 | //calstate.push_back("*calon"); |
---|
| 1430 | //calstate.push_back("*[^calon]"); |
---|
| 1431 | calstate.push_back(SrcType::NODCAL); |
---|
| 1432 | calstate.push_back(SrcType::NOD); |
---|
[1391] | 1433 | CountedPtr< Scantable > ws = getScantable(s, false); |
---|
| 1434 | uInt l=0; |
---|
| 1435 | while ( l < sctables.size() ) { |
---|
| 1436 | for (uInt i=0; i < 2; i++) { |
---|
| 1437 | for (uInt j=0; j < 2; j++) { |
---|
| 1438 | for (uInt k=0; k < 2; k++) { |
---|
| 1439 | sel.reset(); |
---|
| 1440 | sel.setScans(scanpair[i]); |
---|
[1819] | 1441 | //sel.setName(calstate[k]); |
---|
| 1442 | types.clear(); |
---|
| 1443 | types.push_back(calstate[k]); |
---|
| 1444 | sel.setTypes(types); |
---|
[1391] | 1445 | beams.clear(); |
---|
| 1446 | beams.push_back(j); |
---|
| 1447 | sel.setBeams(beams); |
---|
| 1448 | ws->setSelection(sel); |
---|
| 1449 | sctables[l]= getScantable(ws, false); |
---|
| 1450 | l++; |
---|
| 1451 | } |
---|
| 1452 | } |
---|
| 1453 | } |
---|
| 1454 | } |
---|
| 1455 | |
---|
| 1456 | // replace here by splitData or getData functionality |
---|
| 1457 | CountedPtr< Scantable > sig1; |
---|
| 1458 | CountedPtr< Scantable > ref1; |
---|
| 1459 | CountedPtr< Scantable > sig2; |
---|
| 1460 | CountedPtr< Scantable > ref2; |
---|
| 1461 | CountedPtr< Scantable > calb1; |
---|
| 1462 | CountedPtr< Scantable > calb2; |
---|
| 1463 | |
---|
| 1464 | msg=String("Processing dototalpower for subset of the data"); |
---|
[2658] | 1465 | os << msg << LogIO::POST; |
---|
[1391] | 1466 | // Debug for IRC CS data |
---|
| 1467 | //float tcal1=7.0; |
---|
| 1468 | //float tcal2=4.0; |
---|
| 1469 | sig1 = dototalpower(sctables[0], sctables[1], tcal=tcal); |
---|
| 1470 | ref1 = dototalpower(sctables[2], sctables[3], tcal=tcal); |
---|
| 1471 | ref2 = dototalpower(sctables[4], sctables[5], tcal=tcal); |
---|
| 1472 | sig2 = dototalpower(sctables[6], sctables[7], tcal=tcal); |
---|
| 1473 | |
---|
| 1474 | // correction of user-specified tsys for elevation here |
---|
| 1475 | |
---|
| 1476 | // dosigref calibration |
---|
| 1477 | msg=String("Processing dosigref for subset of the data"); |
---|
[2658] | 1478 | os << msg << endl; |
---|
[1391] | 1479 | calb1=dosigref(sig1,ref2,smoothref,tsysv,tau); |
---|
| 1480 | calb2=dosigref(sig2,ref1,smoothref,tsysv,tau); |
---|
| 1481 | |
---|
| 1482 | // iteration by scanno or cycle no. |
---|
| 1483 | Table& tcalb1 = calb1->table(); |
---|
| 1484 | Table& tcalb2 = calb2->table(); |
---|
| 1485 | TableIterator sit(tcalb1, "SCANNO"); |
---|
| 1486 | TableIterator s2it(tcalb2, "SCANNO"); |
---|
| 1487 | while ( !sit.pastEnd() ) { |
---|
| 1488 | Table t1 = sit.table(); |
---|
| 1489 | Table t2= s2it.table(); |
---|
| 1490 | ArrayColumn<Float> outspecCol(t1, "SPECTRA"); |
---|
| 1491 | ArrayColumn<Float> outtsysCol(t1, "TSYS"); |
---|
| 1492 | ArrayColumn<uChar> outflagCol(t1, "FLAGTRA"); |
---|
| 1493 | ScalarColumn<Double> outintCol(t1, "INTERVAL"); |
---|
| 1494 | ArrayColumn<Float> t2specCol(t2, "SPECTRA"); |
---|
| 1495 | ROArrayColumn<Float> t2tsysCol(t2, "TSYS"); |
---|
| 1496 | ArrayColumn<uChar> t2flagCol(t2, "FLAGTRA"); |
---|
| 1497 | ROScalarColumn<Double> t2intCol(t2, "INTERVAL"); |
---|
| 1498 | for (uInt i=0; i < t1.nrow(); ++i) { |
---|
| 1499 | Vector<Float> spec1, spec2; |
---|
| 1500 | // to store scalar (mean) tsys |
---|
| 1501 | Vector<Float> tsys1, tsys2; |
---|
| 1502 | Vector<uChar> flag1, flag2; |
---|
| 1503 | Double tint1, tint2; |
---|
| 1504 | outspecCol.get(i, spec1); |
---|
| 1505 | t2specCol.get(i, spec2); |
---|
| 1506 | outflagCol.get(i, flag1); |
---|
| 1507 | t2flagCol.get(i, flag2); |
---|
| 1508 | outtsysCol.get(i, tsys1); |
---|
| 1509 | t2tsysCol.get(i, tsys2); |
---|
| 1510 | outintCol.get(i, tint1); |
---|
| 1511 | t2intCol.get(i, tint2); |
---|
| 1512 | // average |
---|
| 1513 | // assume scalar tsys for weights |
---|
| 1514 | Float wt1, wt2, tsyssq1, tsyssq2; |
---|
| 1515 | tsyssq1 = tsys1[0]*tsys1[0]; |
---|
| 1516 | tsyssq2 = tsys2[0]*tsys2[0]; |
---|
| 1517 | wt1 = Float(tint1)/tsyssq1; |
---|
| 1518 | wt2 = Float(tint2)/tsyssq2; |
---|
| 1519 | Float invsumwt=1/(wt1+wt2); |
---|
| 1520 | MaskedArray<Float> mspec1 = maskedArray(spec1, flag1); |
---|
| 1521 | MaskedArray<Float> mspec2 = maskedArray(spec2, flag2); |
---|
| 1522 | MaskedArray<Float> avspec = invsumwt * (wt1*mspec1 + wt2*mspec2); |
---|
| 1523 | //Array<Float> avtsys = Float(0.5) * (tsys1 + tsys2); |
---|
| 1524 | // cerr<< "Tsys1="<<tsys1<<" Tsys2="<<tsys2<<endl; |
---|
[1819] | 1525 | // LogIO os( LogOrigin( "STMath", "donod", WHERE ) ) ; |
---|
| 1526 | // os<< "Tsys1="<<tsys1<<" Tsys2="<<tsys2<<LogIO::POST; |
---|
[1391] | 1527 | tsys1[0] = sqrt(tsyssq1 + tsyssq2); |
---|
| 1528 | Array<Float> avtsys = tsys1; |
---|
| 1529 | |
---|
| 1530 | outspecCol.put(i, avspec.getArray()); |
---|
| 1531 | outflagCol.put(i, flagsFromMA(avspec)); |
---|
| 1532 | outtsysCol.put(i, avtsys); |
---|
| 1533 | } |
---|
| 1534 | ++sit; |
---|
| 1535 | ++s2it; |
---|
| 1536 | } |
---|
[2695] | 1537 | |
---|
| 1538 | calb1->setFluxUnit("K"); |
---|
| 1539 | |
---|
[1391] | 1540 | return calb1; |
---|
| 1541 | } |
---|
| 1542 | |
---|
| 1543 | //GBTIDL version of frequency switched data calibration |
---|
| 1544 | CountedPtr< Scantable > STMath::dofs( const CountedPtr< Scantable >& s, |
---|
| 1545 | const std::vector<int>& scans, |
---|
| 1546 | int smoothref, |
---|
| 1547 | casa::Float tsysv, |
---|
| 1548 | casa::Float tau, |
---|
| 1549 | casa::Float tcal ) |
---|
| 1550 | { |
---|
| 1551 | |
---|
| 1552 | |
---|
[2163] | 1553 | (void) scans; //currently unused |
---|
[1391] | 1554 | STSelector sel; |
---|
| 1555 | CountedPtr< Scantable > ws = getScantable(s, false); |
---|
| 1556 | CountedPtr< Scantable > sig, sigwcal, ref, refwcal; |
---|
[1819] | 1557 | CountedPtr< Scantable > calsig, calref, out, out1, out2; |
---|
| 1558 | Bool nofold=False; |
---|
| 1559 | vector<int> types ; |
---|
[1391] | 1560 | |
---|
| 1561 | //split the data |
---|
[1819] | 1562 | //sel.setName("*_fs"); |
---|
| 1563 | types.push_back( SrcType::FSON ) ; |
---|
| 1564 | sel.setTypes( types ) ; |
---|
[1391] | 1565 | ws->setSelection(sel); |
---|
| 1566 | sig = getScantable(ws,false); |
---|
| 1567 | sel.reset(); |
---|
[1819] | 1568 | types.clear() ; |
---|
| 1569 | //sel.setName("*_fs_calon"); |
---|
| 1570 | types.push_back( SrcType::FONCAL ) ; |
---|
| 1571 | sel.setTypes( types ) ; |
---|
[1391] | 1572 | ws->setSelection(sel); |
---|
| 1573 | sigwcal = getScantable(ws,false); |
---|
| 1574 | sel.reset(); |
---|
[1819] | 1575 | types.clear() ; |
---|
| 1576 | //sel.setName("*_fsr"); |
---|
| 1577 | types.push_back( SrcType::FSOFF ) ; |
---|
| 1578 | sel.setTypes( types ) ; |
---|
[1391] | 1579 | ws->setSelection(sel); |
---|
| 1580 | ref = getScantable(ws,false); |
---|
| 1581 | sel.reset(); |
---|
[1819] | 1582 | types.clear() ; |
---|
| 1583 | //sel.setName("*_fsr_calon"); |
---|
| 1584 | types.push_back( SrcType::FOFFCAL ) ; |
---|
| 1585 | sel.setTypes( types ) ; |
---|
[1391] | 1586 | ws->setSelection(sel); |
---|
| 1587 | refwcal = getScantable(ws,false); |
---|
[1819] | 1588 | sel.reset() ; |
---|
| 1589 | types.clear() ; |
---|
[1391] | 1590 | |
---|
| 1591 | calsig = dototalpower(sigwcal, sig, tcal=tcal); |
---|
| 1592 | calref = dototalpower(refwcal, ref, tcal=tcal); |
---|
| 1593 | |
---|
[1819] | 1594 | out1=dosigref(calsig,calref,smoothref,tsysv,tau); |
---|
| 1595 | out2=dosigref(calref,calsig,smoothref,tsysv,tau); |
---|
[1391] | 1596 | |
---|
[1819] | 1597 | Table& tabout1=out1->table(); |
---|
| 1598 | Table& tabout2=out2->table(); |
---|
| 1599 | ROScalarColumn<uInt> freqidCol1(tabout1, "FREQ_ID"); |
---|
| 1600 | ScalarColumn<uInt> freqidCol2(tabout2, "FREQ_ID"); |
---|
| 1601 | ROArrayColumn<Float> specCol(tabout2, "SPECTRA"); |
---|
| 1602 | Vector<Float> spec; specCol.get(0, spec); |
---|
| 1603 | uInt nchan = spec.nelements(); |
---|
| 1604 | uInt freqid1; freqidCol1.get(0,freqid1); |
---|
| 1605 | uInt freqid2; freqidCol2.get(0,freqid2); |
---|
| 1606 | Double rp1, rp2, rv1, rv2, inc1, inc2; |
---|
| 1607 | out1->frequencies().getEntry(rp1, rv1, inc1, freqid1); |
---|
| 1608 | out2->frequencies().getEntry(rp2, rv2, inc2, freqid2); |
---|
| 1609 | //cerr << out1->frequencies().table().nrow() << " " << out2->frequencies().table().nrow() << endl ; |
---|
| 1610 | //LogIO os( LogOrigin( "STMath", "dofs()", WHERE ) ) ; |
---|
| 1611 | //os << out1->frequencies().table().nrow() << " " << out2->frequencies().table().nrow() << LogIO::POST ; |
---|
| 1612 | if (rp1==rp2) { |
---|
| 1613 | Double foffset = rv1 - rv2; |
---|
| 1614 | uInt choffset = static_cast<uInt>(foffset/abs(inc2)); |
---|
| 1615 | if (choffset >= nchan) { |
---|
| 1616 | //cerr<<"out-band frequency switching, no folding"<<endl; |
---|
| 1617 | LogIO os( LogOrigin( "STMath", "dofs()", WHERE ) ) ; |
---|
| 1618 | os<<"out-band frequency switching, no folding"<<LogIO::POST; |
---|
| 1619 | nofold = True; |
---|
| 1620 | } |
---|
| 1621 | } |
---|
| 1622 | |
---|
| 1623 | if (nofold) { |
---|
| 1624 | std::vector< CountedPtr< Scantable > > tabs; |
---|
| 1625 | tabs.push_back(out1); |
---|
| 1626 | tabs.push_back(out2); |
---|
| 1627 | out = merge(tabs); |
---|
| 1628 | } |
---|
| 1629 | else { |
---|
| 1630 | //out = out1; |
---|
| 1631 | Double choffset = ( rv1 - rv2 ) / inc2 ; |
---|
| 1632 | out = dofold( out1, out2, choffset ) ; |
---|
| 1633 | } |
---|
[2695] | 1634 | |
---|
| 1635 | out->setFluxUnit("K"); |
---|
| 1636 | |
---|
[1391] | 1637 | return out; |
---|
| 1638 | } |
---|
| 1639 | |
---|
[1819] | 1640 | CountedPtr<Scantable> STMath::dofold( const CountedPtr<Scantable> &sig, |
---|
| 1641 | const CountedPtr<Scantable> &ref, |
---|
| 1642 | Double choffset, |
---|
| 1643 | Double choffset2 ) |
---|
| 1644 | { |
---|
| 1645 | LogIO os( LogOrigin( "STMath", "dofold", WHERE ) ) ; |
---|
| 1646 | os << "choffset=" << choffset << " choffset2=" << choffset2 << LogIO::POST ; |
---|
[1391] | 1647 | |
---|
[1819] | 1648 | // output scantable |
---|
| 1649 | CountedPtr<Scantable> out = getScantable( sig, false ) ; |
---|
| 1650 | |
---|
| 1651 | // separate choffset to integer part and decimal part |
---|
| 1652 | Int ioffset = (Int)choffset ; |
---|
| 1653 | Double doffset = choffset - ioffset ; |
---|
| 1654 | Int ioffset2 = (Int)choffset2 ; |
---|
| 1655 | Double doffset2 = choffset2 - ioffset2 ; |
---|
| 1656 | os << "ioffset=" << ioffset << " doffset=" << doffset << LogIO::POST ; |
---|
| 1657 | os << "ioffset2=" << ioffset2 << " doffset2=" << doffset2 << LogIO::POST ; |
---|
| 1658 | |
---|
| 1659 | // get column |
---|
| 1660 | ROArrayColumn<Float> specCol1( sig->table(), "SPECTRA" ) ; |
---|
| 1661 | ROArrayColumn<Float> specCol2( ref->table(), "SPECTRA" ) ; |
---|
| 1662 | ROArrayColumn<Float> tsysCol1( sig->table(), "TSYS" ) ; |
---|
| 1663 | ROArrayColumn<Float> tsysCol2( ref->table(), "TSYS" ) ; |
---|
| 1664 | ROArrayColumn<uChar> flagCol1( sig->table(), "FLAGTRA" ) ; |
---|
| 1665 | ROArrayColumn<uChar> flagCol2( ref->table(), "FLAGTRA" ) ; |
---|
| 1666 | ROScalarColumn<Double> mjdCol1( sig->table(), "TIME" ) ; |
---|
| 1667 | ROScalarColumn<Double> mjdCol2( ref->table(), "TIME" ) ; |
---|
| 1668 | ROScalarColumn<Double> intervalCol1( sig->table(), "INTERVAL" ) ; |
---|
| 1669 | ROScalarColumn<Double> intervalCol2( ref->table(), "INTERVAL" ) ; |
---|
| 1670 | |
---|
| 1671 | // check |
---|
| 1672 | if ( ioffset == 0 ) { |
---|
| 1673 | LogIO os( LogOrigin( "STMath", "dofold()", WHERE ) ) ; |
---|
| 1674 | os << "channel offset is zero, no folding" << LogIO::POST ; |
---|
| 1675 | return out ; |
---|
| 1676 | } |
---|
| 1677 | int nchan = ref->nchan() ; |
---|
| 1678 | if ( abs(ioffset) >= nchan ) { |
---|
| 1679 | LogIO os( LogOrigin( "STMath", "dofold()", WHERE ) ) ; |
---|
| 1680 | os << "out-band frequency switching, no folding" << LogIO::POST ; |
---|
| 1681 | return out ; |
---|
| 1682 | } |
---|
| 1683 | |
---|
| 1684 | // attach column for output scantable |
---|
| 1685 | ArrayColumn<Float> specColOut( out->table(), "SPECTRA" ) ; |
---|
| 1686 | ArrayColumn<uChar> flagColOut( out->table(), "FLAGTRA" ) ; |
---|
| 1687 | ArrayColumn<Float> tsysColOut( out->table(), "TSYS" ) ; |
---|
| 1688 | ScalarColumn<Double> mjdColOut( out->table(), "TIME" ) ; |
---|
| 1689 | ScalarColumn<Double> intervalColOut( out->table(), "INTERVAL" ) ; |
---|
| 1690 | ScalarColumn<uInt> fidColOut( out->table(), "FREQ_ID" ) ; |
---|
| 1691 | |
---|
| 1692 | // for each row |
---|
| 1693 | // assume that the data order are same between sig and ref |
---|
| 1694 | RowAccumulator acc( asap::W_TINTSYS ) ; |
---|
| 1695 | for ( int i = 0 ; i < sig->nrow() ; i++ ) { |
---|
| 1696 | // get values |
---|
| 1697 | Vector<Float> spsig ; |
---|
| 1698 | specCol1.get( i, spsig ) ; |
---|
| 1699 | Vector<Float> spref ; |
---|
| 1700 | specCol2.get( i, spref ) ; |
---|
| 1701 | Vector<Float> tsyssig ; |
---|
| 1702 | tsysCol1.get( i, tsyssig ) ; |
---|
| 1703 | Vector<Float> tsysref ; |
---|
| 1704 | tsysCol2.get( i, tsysref ) ; |
---|
| 1705 | Vector<uChar> flagsig ; |
---|
| 1706 | flagCol1.get( i, flagsig ) ; |
---|
| 1707 | Vector<uChar> flagref ; |
---|
| 1708 | flagCol2.get( i, flagref ) ; |
---|
| 1709 | Double timesig ; |
---|
| 1710 | mjdCol1.get( i, timesig ) ; |
---|
| 1711 | Double timeref ; |
---|
| 1712 | mjdCol2.get( i, timeref ) ; |
---|
| 1713 | Double intsig ; |
---|
| 1714 | intervalCol1.get( i, intsig ) ; |
---|
| 1715 | Double intref ; |
---|
| 1716 | intervalCol2.get( i, intref ) ; |
---|
| 1717 | |
---|
| 1718 | // shift reference spectra |
---|
| 1719 | int refchan = spref.nelements() ; |
---|
| 1720 | Vector<Float> sspref( spref.nelements() ) ; |
---|
| 1721 | Vector<Float> stsysref( tsysref.nelements() ) ; |
---|
| 1722 | Vector<uChar> sflagref( flagref.nelements() ) ; |
---|
| 1723 | if ( ioffset > 0 ) { |
---|
| 1724 | // SPECTRA and FLAGTRA |
---|
| 1725 | for ( int j = 0 ; j < refchan-ioffset ; j++ ) { |
---|
| 1726 | sspref[j] = spref[j+ioffset] ; |
---|
| 1727 | sflagref[j] = flagref[j+ioffset] ; |
---|
| 1728 | } |
---|
| 1729 | for ( int j = refchan-ioffset ; j < refchan ; j++ ) { |
---|
| 1730 | sspref[j] = spref[j-refchan+ioffset] ; |
---|
| 1731 | sflagref[j] = flagref[j-refchan+ioffset] ; |
---|
| 1732 | } |
---|
| 1733 | spref = sspref.copy() ; |
---|
| 1734 | flagref = sflagref.copy() ; |
---|
| 1735 | for ( int j = 0 ; j < refchan - 1 ; j++ ) { |
---|
| 1736 | sspref[j] = doffset * spref[j+1] + ( 1.0 - doffset ) * spref[j] ; |
---|
| 1737 | sflagref[j] = flagref[j+1] + flagref[j] ; |
---|
| 1738 | } |
---|
| 1739 | sspref[refchan-1] = doffset * spref[0] + ( 1.0 - doffset ) * spref[refchan-1] ; |
---|
| 1740 | sflagref[refchan-1] = flagref[0] + flagref[refchan-1] ; |
---|
| 1741 | |
---|
| 1742 | // TSYS |
---|
| 1743 | if ( spref.nelements() == tsysref.nelements() ) { |
---|
| 1744 | for ( int j = 0 ; j < refchan-ioffset ; j++ ) { |
---|
| 1745 | stsysref[j] = tsysref[j+ioffset] ; |
---|
| 1746 | } |
---|
| 1747 | for ( int j = refchan-ioffset ; j < refchan ; j++ ) { |
---|
| 1748 | stsysref[j] = tsysref[j-refchan+ioffset] ; |
---|
| 1749 | } |
---|
| 1750 | tsysref = stsysref.copy() ; |
---|
| 1751 | for ( int j = 0 ; j < refchan - 1 ; j++ ) { |
---|
| 1752 | stsysref[j] = doffset * tsysref[j+1] + ( 1.0 - doffset ) * tsysref[j] ; |
---|
| 1753 | } |
---|
| 1754 | stsysref[refchan-1] = doffset * tsysref[0] + ( 1.0 - doffset ) * tsysref[refchan-1] ; |
---|
| 1755 | } |
---|
| 1756 | } |
---|
| 1757 | else { |
---|
| 1758 | // SPECTRA and FLAGTRA |
---|
| 1759 | for ( int j = 0 ; j < abs(ioffset) ; j++ ) { |
---|
| 1760 | sspref[j] = spref[refchan+ioffset+j] ; |
---|
| 1761 | sflagref[j] = flagref[refchan+ioffset+j] ; |
---|
| 1762 | } |
---|
| 1763 | for ( int j = abs(ioffset) ; j < refchan ; j++ ) { |
---|
| 1764 | sspref[j] = spref[j+ioffset] ; |
---|
| 1765 | sflagref[j] = flagref[j+ioffset] ; |
---|
| 1766 | } |
---|
| 1767 | spref = sspref.copy() ; |
---|
| 1768 | flagref = sflagref.copy() ; |
---|
| 1769 | sspref[0] = doffset * spref[refchan-1] + ( 1.0 - doffset ) * spref[0] ; |
---|
| 1770 | sflagref[0] = flagref[0] + flagref[refchan-1] ; |
---|
| 1771 | for ( int j = 1 ; j < refchan ; j++ ) { |
---|
| 1772 | sspref[j] = doffset * spref[j-1] + ( 1.0 - doffset ) * spref[j] ; |
---|
| 1773 | sflagref[j] = flagref[j-1] + flagref[j] ; |
---|
| 1774 | } |
---|
| 1775 | // TSYS |
---|
| 1776 | if ( spref.nelements() == tsysref.nelements() ) { |
---|
| 1777 | for ( int j = 0 ; j < abs(ioffset) ; j++ ) { |
---|
| 1778 | stsysref[j] = tsysref[refchan+ioffset+j] ; |
---|
| 1779 | } |
---|
| 1780 | for ( int j = abs(ioffset) ; j < refchan ; j++ ) { |
---|
| 1781 | stsysref[j] = tsysref[j+ioffset] ; |
---|
| 1782 | } |
---|
| 1783 | tsysref = stsysref.copy() ; |
---|
| 1784 | stsysref[0] = doffset * tsysref[refchan-1] + ( 1.0 - doffset ) * tsysref[0] ; |
---|
| 1785 | for ( int j = 1 ; j < refchan ; j++ ) { |
---|
| 1786 | stsysref[j] = doffset * tsysref[j-1] + ( 1.0 - doffset ) * tsysref[j] ; |
---|
| 1787 | } |
---|
| 1788 | } |
---|
| 1789 | } |
---|
| 1790 | |
---|
| 1791 | // shift signal spectra if necessary (only for APEX?) |
---|
| 1792 | if ( choffset2 != 0.0 ) { |
---|
| 1793 | int sigchan = spsig.nelements() ; |
---|
| 1794 | Vector<Float> sspsig( spsig.nelements() ) ; |
---|
| 1795 | Vector<Float> stsyssig( tsyssig.nelements() ) ; |
---|
| 1796 | Vector<uChar> sflagsig( flagsig.nelements() ) ; |
---|
| 1797 | if ( ioffset2 > 0 ) { |
---|
| 1798 | // SPECTRA and FLAGTRA |
---|
| 1799 | for ( int j = 0 ; j < sigchan-ioffset2 ; j++ ) { |
---|
| 1800 | sspsig[j] = spsig[j+ioffset2] ; |
---|
| 1801 | sflagsig[j] = flagsig[j+ioffset2] ; |
---|
| 1802 | } |
---|
| 1803 | for ( int j = sigchan-ioffset2 ; j < sigchan ; j++ ) { |
---|
| 1804 | sspsig[j] = spsig[j-sigchan+ioffset2] ; |
---|
| 1805 | sflagsig[j] = flagsig[j-sigchan+ioffset2] ; |
---|
| 1806 | } |
---|
| 1807 | spsig = sspsig.copy() ; |
---|
| 1808 | flagsig = sflagsig.copy() ; |
---|
| 1809 | for ( int j = 0 ; j < sigchan - 1 ; j++ ) { |
---|
| 1810 | sspsig[j] = doffset2 * spsig[j+1] + ( 1.0 - doffset2 ) * spsig[j] ; |
---|
| 1811 | sflagsig[j] = flagsig[j+1] || flagsig[j] ; |
---|
| 1812 | } |
---|
| 1813 | sspsig[sigchan-1] = doffset2 * spsig[0] + ( 1.0 - doffset2 ) * spsig[sigchan-1] ; |
---|
| 1814 | sflagsig[sigchan-1] = flagsig[0] || flagsig[sigchan-1] ; |
---|
| 1815 | // TSTS |
---|
| 1816 | if ( spsig.nelements() == tsyssig.nelements() ) { |
---|
| 1817 | for ( int j = 0 ; j < sigchan-ioffset2 ; j++ ) { |
---|
| 1818 | stsyssig[j] = tsyssig[j+ioffset2] ; |
---|
| 1819 | } |
---|
| 1820 | for ( int j = sigchan-ioffset2 ; j < sigchan ; j++ ) { |
---|
| 1821 | stsyssig[j] = tsyssig[j-sigchan+ioffset2] ; |
---|
| 1822 | } |
---|
| 1823 | tsyssig = stsyssig.copy() ; |
---|
| 1824 | for ( int j = 0 ; j < sigchan - 1 ; j++ ) { |
---|
| 1825 | stsyssig[j] = doffset2 * tsyssig[j+1] + ( 1.0 - doffset2 ) * tsyssig[j] ; |
---|
| 1826 | } |
---|
| 1827 | stsyssig[sigchan-1] = doffset2 * tsyssig[0] + ( 1.0 - doffset2 ) * tsyssig[sigchan-1] ; |
---|
| 1828 | } |
---|
| 1829 | } |
---|
| 1830 | else { |
---|
| 1831 | // SPECTRA and FLAGTRA |
---|
| 1832 | for ( int j = 0 ; j < abs(ioffset2) ; j++ ) { |
---|
| 1833 | sspsig[j] = spsig[sigchan+ioffset2+j] ; |
---|
| 1834 | sflagsig[j] = flagsig[sigchan+ioffset2+j] ; |
---|
| 1835 | } |
---|
| 1836 | for ( int j = abs(ioffset2) ; j < sigchan ; j++ ) { |
---|
| 1837 | sspsig[j] = spsig[j+ioffset2] ; |
---|
| 1838 | sflagsig[j] = flagsig[j+ioffset2] ; |
---|
| 1839 | } |
---|
| 1840 | spsig = sspsig.copy() ; |
---|
| 1841 | flagsig = sflagsig.copy() ; |
---|
| 1842 | sspsig[0] = doffset2 * spsig[sigchan-1] + ( 1.0 - doffset2 ) * spsig[0] ; |
---|
| 1843 | sflagsig[0] = flagsig[0] + flagsig[sigchan-1] ; |
---|
| 1844 | for ( int j = 1 ; j < sigchan ; j++ ) { |
---|
| 1845 | sspsig[j] = doffset2 * spsig[j-1] + ( 1.0 - doffset2 ) * spsig[j] ; |
---|
| 1846 | sflagsig[j] = flagsig[j-1] + flagsig[j] ; |
---|
| 1847 | } |
---|
| 1848 | // TSYS |
---|
| 1849 | if ( spsig.nelements() == tsyssig.nelements() ) { |
---|
| 1850 | for ( int j = 0 ; j < abs(ioffset2) ; j++ ) { |
---|
| 1851 | stsyssig[j] = tsyssig[sigchan+ioffset2+j] ; |
---|
| 1852 | } |
---|
| 1853 | for ( int j = abs(ioffset2) ; j < sigchan ; j++ ) { |
---|
| 1854 | stsyssig[j] = tsyssig[j+ioffset2] ; |
---|
| 1855 | } |
---|
| 1856 | tsyssig = stsyssig.copy() ; |
---|
| 1857 | stsyssig[0] = doffset2 * tsyssig[sigchan-1] + ( 1.0 - doffset2 ) * tsyssig[0] ; |
---|
| 1858 | for ( int j = 1 ; j < sigchan ; j++ ) { |
---|
| 1859 | stsyssig[j] = doffset2 * tsyssig[j-1] + ( 1.0 - doffset2 ) * tsyssig[j] ; |
---|
| 1860 | } |
---|
| 1861 | } |
---|
| 1862 | } |
---|
| 1863 | } |
---|
| 1864 | |
---|
| 1865 | // folding |
---|
| 1866 | acc.add( spsig, !flagsig, tsyssig, intsig, timesig ) ; |
---|
| 1867 | acc.add( sspref, !sflagref, stsysref, intref, timeref ) ; |
---|
| 1868 | |
---|
| 1869 | // put result |
---|
| 1870 | specColOut.put( i, acc.getSpectrum() ) ; |
---|
| 1871 | const Vector<Bool> &msk = acc.getMask() ; |
---|
| 1872 | Vector<uChar> flg( msk.shape() ) ; |
---|
| 1873 | convertArray( flg, !msk ) ; |
---|
| 1874 | flagColOut.put( i, flg ) ; |
---|
| 1875 | tsysColOut.put( i, acc.getTsys() ) ; |
---|
| 1876 | intervalColOut.put( i, acc.getInterval() ) ; |
---|
| 1877 | mjdColOut.put( i, acc.getTime() ) ; |
---|
| 1878 | // change FREQ_ID to unshifted IF setting (only for APEX?) |
---|
| 1879 | if ( choffset2 != 0.0 ) { |
---|
| 1880 | uInt freqid = fidColOut( 0 ) ; // assume single-IF data |
---|
| 1881 | double refpix, refval, increment ; |
---|
| 1882 | out->frequencies().getEntry( refpix, refval, increment, freqid ) ; |
---|
| 1883 | refval -= choffset * increment ; |
---|
| 1884 | uInt newfreqid = out->frequencies().addEntry( refpix, refval, increment ) ; |
---|
| 1885 | Vector<uInt> freqids = fidColOut.getColumn() ; |
---|
| 1886 | for ( uInt j = 0 ; j < freqids.nelements() ; j++ ) { |
---|
| 1887 | if ( freqids[j] == freqid ) |
---|
| 1888 | freqids[j] = newfreqid ; |
---|
| 1889 | } |
---|
| 1890 | fidColOut.putColumn( freqids ) ; |
---|
| 1891 | } |
---|
| 1892 | |
---|
| 1893 | acc.reset() ; |
---|
| 1894 | } |
---|
| 1895 | |
---|
| 1896 | return out ; |
---|
| 1897 | } |
---|
| 1898 | |
---|
| 1899 | |
---|
[805] | 1900 | CountedPtr< Scantable > STMath::freqSwitch( const CountedPtr< Scantable >& in ) |
---|
| 1901 | { |
---|
| 1902 | // make copy or reference |
---|
| 1903 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 1904 | Table& tout = out->table(); |
---|
[1008] | 1905 | Block<String> cols(4); |
---|
[805] | 1906 | cols[0] = String("SCANNO"); |
---|
[1008] | 1907 | cols[1] = String("CYCLENO"); |
---|
| 1908 | cols[2] = String("BEAMNO"); |
---|
| 1909 | cols[3] = String("POLNO"); |
---|
[805] | 1910 | TableIterator iter(tout, cols); |
---|
| 1911 | while (!iter.pastEnd()) { |
---|
| 1912 | Table subt = iter.table(); |
---|
| 1913 | // this should leave us with two rows for the two IFs....if not ignore |
---|
| 1914 | if (subt.nrow() != 2 ) { |
---|
| 1915 | continue; |
---|
[701] | 1916 | } |
---|
[1008] | 1917 | ArrayColumn<Float> specCol(subt, "SPECTRA"); |
---|
| 1918 | ArrayColumn<Float> tsysCol(subt, "TSYS"); |
---|
| 1919 | ArrayColumn<uChar> flagCol(subt, "FLAGTRA"); |
---|
[805] | 1920 | Vector<Float> onspec,offspec, ontsys, offtsys; |
---|
| 1921 | Vector<uChar> onflag, offflag; |
---|
| 1922 | tsysCol.get(0, ontsys); tsysCol.get(1, offtsys); |
---|
| 1923 | specCol.get(0, onspec); specCol.get(1, offspec); |
---|
| 1924 | flagCol.get(0, onflag); flagCol.get(1, offflag); |
---|
| 1925 | MaskedArray<Float> on = maskedArray(onspec, onflag); |
---|
| 1926 | MaskedArray<Float> off = maskedArray(offspec, offflag); |
---|
| 1927 | MaskedArray<Float> oncopy = on.copy(); |
---|
[248] | 1928 | |
---|
[805] | 1929 | on /= off; on -= 1.0f; |
---|
| 1930 | on *= ontsys[0]; |
---|
| 1931 | off /= oncopy; off -= 1.0f; |
---|
| 1932 | off *= offtsys[0]; |
---|
| 1933 | specCol.put(0, on.getArray()); |
---|
| 1934 | const Vector<Bool>& m0 = on.getMask(); |
---|
| 1935 | Vector<uChar> flags0(m0.shape()); |
---|
| 1936 | convertArray(flags0, !m0); |
---|
| 1937 | flagCol.put(0, flags0); |
---|
[234] | 1938 | |
---|
[805] | 1939 | specCol.put(1, off.getArray()); |
---|
| 1940 | const Vector<Bool>& m1 = off.getMask(); |
---|
| 1941 | Vector<uChar> flags1(m1.shape()); |
---|
| 1942 | convertArray(flags1, !m1); |
---|
| 1943 | flagCol.put(1, flags1); |
---|
[867] | 1944 | ++iter; |
---|
[130] | 1945 | } |
---|
[780] | 1946 | |
---|
[805] | 1947 | return out; |
---|
[9] | 1948 | } |
---|
[48] | 1949 | |
---|
[805] | 1950 | std::vector< float > STMath::statistic( const CountedPtr< Scantable > & in, |
---|
| 1951 | const std::vector< bool > & mask, |
---|
| 1952 | const std::string& which ) |
---|
[130] | 1953 | { |
---|
| 1954 | |
---|
[805] | 1955 | Vector<Bool> m(mask); |
---|
| 1956 | const Table& tab = in->table(); |
---|
| 1957 | ROArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 1958 | ROArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 1959 | std::vector<float> out; |
---|
| 1960 | for (uInt i=0; i < tab.nrow(); ++i ) { |
---|
| 1961 | Vector<Float> spec; specCol.get(i, spec); |
---|
[867] | 1962 | Vector<uChar> flag; flagCol.get(i, flag); |
---|
| 1963 | MaskedArray<Float> ma = maskedArray(spec, flag); |
---|
| 1964 | float outstat = 0.0; |
---|
[805] | 1965 | if ( spec.nelements() == m.nelements() ) { |
---|
| 1966 | outstat = mathutil::statistics(which, ma(m)); |
---|
| 1967 | } else { |
---|
| 1968 | outstat = mathutil::statistics(which, ma); |
---|
| 1969 | } |
---|
| 1970 | out.push_back(outstat); |
---|
[234] | 1971 | } |
---|
[805] | 1972 | return out; |
---|
[130] | 1973 | } |
---|
| 1974 | |
---|
[1907] | 1975 | std::vector< float > STMath::statisticRow( const CountedPtr< Scantable > & in, |
---|
| 1976 | const std::vector< bool > & mask, |
---|
| 1977 | const std::string& which, |
---|
| 1978 | int row ) |
---|
| 1979 | { |
---|
| 1980 | |
---|
| 1981 | Vector<Bool> m(mask); |
---|
| 1982 | const Table& tab = in->table(); |
---|
| 1983 | ROArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 1984 | ROArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 1985 | std::vector<float> out; |
---|
| 1986 | |
---|
| 1987 | Vector<Float> spec; specCol.get(row, spec); |
---|
| 1988 | Vector<uChar> flag; flagCol.get(row, flag); |
---|
| 1989 | MaskedArray<Float> ma = maskedArray(spec, flag); |
---|
| 1990 | float outstat = 0.0; |
---|
| 1991 | if ( spec.nelements() == m.nelements() ) { |
---|
| 1992 | outstat = mathutil::statistics(which, ma(m)); |
---|
| 1993 | } else { |
---|
| 1994 | outstat = mathutil::statistics(which, ma); |
---|
| 1995 | } |
---|
| 1996 | out.push_back(outstat); |
---|
| 1997 | |
---|
| 1998 | return out; |
---|
| 1999 | } |
---|
| 2000 | |
---|
[1819] | 2001 | std::vector< int > STMath::minMaxChan( const CountedPtr< Scantable > & in, |
---|
| 2002 | const std::vector< bool > & mask, |
---|
| 2003 | const std::string& which ) |
---|
| 2004 | { |
---|
| 2005 | |
---|
| 2006 | Vector<Bool> m(mask); |
---|
| 2007 | const Table& tab = in->table(); |
---|
| 2008 | ROArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2009 | ROArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 2010 | std::vector<int> out; |
---|
| 2011 | for (uInt i=0; i < tab.nrow(); ++i ) { |
---|
| 2012 | Vector<Float> spec; specCol.get(i, spec); |
---|
| 2013 | Vector<uChar> flag; flagCol.get(i, flag); |
---|
| 2014 | MaskedArray<Float> ma = maskedArray(spec, flag); |
---|
| 2015 | if (ma.ndim() != 1) { |
---|
| 2016 | throw (ArrayError( |
---|
| 2017 | "std::vector<int> STMath::minMaxChan(" |
---|
| 2018 | "ContedPtr<Scantable> &in, std::vector<bool> &mask, " |
---|
| 2019 | " std::string &which)" |
---|
| 2020 | " - MaskedArray is not 1D")); |
---|
| 2021 | } |
---|
| 2022 | IPosition outpos(1,0); |
---|
| 2023 | if ( spec.nelements() == m.nelements() ) { |
---|
| 2024 | outpos = mathutil::minMaxPos(which, ma(m)); |
---|
| 2025 | } else { |
---|
| 2026 | outpos = mathutil::minMaxPos(which, ma); |
---|
| 2027 | } |
---|
| 2028 | out.push_back(outpos[0]); |
---|
| 2029 | } |
---|
| 2030 | return out; |
---|
| 2031 | } |
---|
| 2032 | |
---|
[805] | 2033 | CountedPtr< Scantable > STMath::bin( const CountedPtr< Scantable > & in, |
---|
| 2034 | int width ) |
---|
[144] | 2035 | { |
---|
[841] | 2036 | if ( !in->getSelection().empty() ) throw(AipsError("Can't bin subset of the data.")); |
---|
[805] | 2037 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 2038 | Table& tout = out->table(); |
---|
| 2039 | out->frequencies().rescale(width, "BIN"); |
---|
| 2040 | ArrayColumn<Float> specCol(tout, "SPECTRA"); |
---|
| 2041 | ArrayColumn<uChar> flagCol(tout, "FLAGTRA"); |
---|
[2437] | 2042 | ArrayColumn<Float> tsysCol(tout, "TSYS"); |
---|
| 2043 | |
---|
[805] | 2044 | for (uInt i=0; i < tout.nrow(); ++i ) { |
---|
| 2045 | MaskedArray<Float> main = maskedArray(specCol(i), flagCol(i)); |
---|
| 2046 | MaskedArray<Float> maout; |
---|
| 2047 | LatticeUtilities::bin(maout, main, 0, Int(width)); |
---|
| 2048 | specCol.put(i, maout.getArray()); |
---|
| 2049 | flagCol.put(i, flagsFromMA(maout)); |
---|
[2437] | 2050 | if (tsysCol(i).nelements() == specCol(i).nelements()) { |
---|
| 2051 | MaskedArray<Float> matsysin = maskedArray(tsysCol(i), flagCol(i)); |
---|
| 2052 | MaskedArray<Float> matsysout; |
---|
| 2053 | LatticeUtilities::bin(matsysout, matsysin, 0, Int(width)); |
---|
| 2054 | tsysCol.put(i, matsysout.getArray()); |
---|
| 2055 | } |
---|
[805] | 2056 | // take only the first binned spectrum's length for the deprecated |
---|
| 2057 | // global header item nChan |
---|
| 2058 | if (i==0) tout.rwKeywordSet().define(String("nChan"), |
---|
| 2059 | Int(maout.getArray().nelements())); |
---|
[169] | 2060 | } |
---|
[805] | 2061 | return out; |
---|
[146] | 2062 | } |
---|
| 2063 | |
---|
[805] | 2064 | CountedPtr< Scantable > STMath::resample( const CountedPtr< Scantable >& in, |
---|
| 2065 | const std::string& method, |
---|
| 2066 | float width ) |
---|
[299] | 2067 | // |
---|
| 2068 | // Should add the possibility of width being specified in km/s. This means |
---|
[780] | 2069 | // that for each freqID (SpectralCoordinate) we will need to convert to an |
---|
| 2070 | // average channel width (say at the reference pixel). Then we would need |
---|
| 2071 | // to be careful to make sure each spectrum (of different freqID) |
---|
[299] | 2072 | // is the same length. |
---|
| 2073 | // |
---|
| 2074 | { |
---|
[996] | 2075 | //InterpolateArray1D<Double,Float>::InterpolationMethod interp; |
---|
[805] | 2076 | Int interpMethod(stringToIMethod(method)); |
---|
[299] | 2077 | |
---|
[805] | 2078 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 2079 | Table& tout = out->table(); |
---|
[299] | 2080 | |
---|
| 2081 | // Resample SpectralCoordinates (one per freqID) |
---|
[805] | 2082 | out->frequencies().rescale(width, "RESAMPLE"); |
---|
| 2083 | TableIterator iter(tout, "IFNO"); |
---|
| 2084 | TableRow row(tout); |
---|
| 2085 | while ( !iter.pastEnd() ) { |
---|
| 2086 | Table tab = iter.table(); |
---|
| 2087 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2088 | //ArrayColumn<Float> tsysCol(tout, "TSYS"); |
---|
| 2089 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 2090 | Vector<Float> spec; |
---|
| 2091 | Vector<uChar> flag; |
---|
| 2092 | specCol.get(0,spec); // the number of channels should be constant per IF |
---|
| 2093 | uInt nChanIn = spec.nelements(); |
---|
| 2094 | Vector<Float> xIn(nChanIn); indgen(xIn); |
---|
| 2095 | Int fac = Int(nChanIn/width); |
---|
| 2096 | Vector<Float> xOut(fac+10); // 10 to be safe - resize later |
---|
| 2097 | uInt k = 0; |
---|
| 2098 | Float x = 0.0; |
---|
| 2099 | while (x < Float(nChanIn) ) { |
---|
| 2100 | xOut(k) = x; |
---|
| 2101 | k++; |
---|
| 2102 | x += width; |
---|
| 2103 | } |
---|
| 2104 | uInt nChanOut = k; |
---|
| 2105 | xOut.resize(nChanOut, True); |
---|
| 2106 | // process all rows for this IFNO |
---|
| 2107 | Vector<Float> specOut; |
---|
| 2108 | Vector<Bool> maskOut; |
---|
| 2109 | Vector<uChar> flagOut; |
---|
| 2110 | for (uInt i=0; i < tab.nrow(); ++i) { |
---|
| 2111 | specCol.get(i, spec); |
---|
| 2112 | flagCol.get(i, flag); |
---|
| 2113 | Vector<Bool> mask(flag.nelements()); |
---|
| 2114 | convertArray(mask, flag); |
---|
[299] | 2115 | |
---|
[805] | 2116 | IPosition shapeIn(spec.shape()); |
---|
| 2117 | //sh.nchan = nChanOut; |
---|
| 2118 | InterpolateArray1D<Float,Float>::interpolate(specOut, maskOut, xOut, |
---|
| 2119 | xIn, spec, mask, |
---|
| 2120 | interpMethod, True, True); |
---|
| 2121 | /// @todo do the same for channel based Tsys |
---|
| 2122 | flagOut.resize(maskOut.nelements()); |
---|
| 2123 | convertArray(flagOut, maskOut); |
---|
| 2124 | specCol.put(i, specOut); |
---|
| 2125 | flagCol.put(i, flagOut); |
---|
| 2126 | } |
---|
| 2127 | ++iter; |
---|
[299] | 2128 | } |
---|
| 2129 | |
---|
[805] | 2130 | return out; |
---|
| 2131 | } |
---|
[299] | 2132 | |
---|
[805] | 2133 | STMath::imethod STMath::stringToIMethod(const std::string& in) |
---|
| 2134 | { |
---|
| 2135 | static STMath::imap lookup; |
---|
[299] | 2136 | |
---|
[805] | 2137 | // initialize the lookup table if necessary |
---|
| 2138 | if ( lookup.empty() ) { |
---|
[926] | 2139 | lookup["nearest"] = InterpolateArray1D<Double,Float>::nearestNeighbour; |
---|
| 2140 | lookup["linear"] = InterpolateArray1D<Double,Float>::linear; |
---|
| 2141 | lookup["cubic"] = InterpolateArray1D<Double,Float>::cubic; |
---|
| 2142 | lookup["spline"] = InterpolateArray1D<Double,Float>::spline; |
---|
[299] | 2143 | } |
---|
| 2144 | |
---|
[805] | 2145 | STMath::imap::const_iterator iter = lookup.find(in); |
---|
[299] | 2146 | |
---|
[805] | 2147 | if ( lookup.end() == iter ) { |
---|
| 2148 | std::string message = in; |
---|
| 2149 | message += " is not a valid interpolation mode"; |
---|
| 2150 | throw(AipsError(message)); |
---|
[299] | 2151 | } |
---|
[805] | 2152 | return iter->second; |
---|
[299] | 2153 | } |
---|
| 2154 | |
---|
[805] | 2155 | WeightType STMath::stringToWeight(const std::string& in) |
---|
[146] | 2156 | { |
---|
[805] | 2157 | static std::map<std::string, WeightType> lookup; |
---|
[434] | 2158 | |
---|
[805] | 2159 | // initialize the lookup table if necessary |
---|
| 2160 | if ( lookup.empty() ) { |
---|
[1569] | 2161 | lookup["NONE"] = asap::W_NONE; |
---|
| 2162 | lookup["TINT"] = asap::W_TINT; |
---|
| 2163 | lookup["TINTSYS"] = asap::W_TINTSYS; |
---|
| 2164 | lookup["TSYS"] = asap::W_TSYS; |
---|
| 2165 | lookup["VAR"] = asap::W_VAR; |
---|
[805] | 2166 | } |
---|
[434] | 2167 | |
---|
[805] | 2168 | std::map<std::string, WeightType>::const_iterator iter = lookup.find(in); |
---|
[294] | 2169 | |
---|
[805] | 2170 | if ( lookup.end() == iter ) { |
---|
| 2171 | std::string message = in; |
---|
| 2172 | message += " is not a valid weighting mode"; |
---|
| 2173 | throw(AipsError(message)); |
---|
| 2174 | } |
---|
| 2175 | return iter->second; |
---|
[146] | 2176 | } |
---|
| 2177 | |
---|
[805] | 2178 | CountedPtr< Scantable > STMath::gainElevation( const CountedPtr< Scantable >& in, |
---|
[867] | 2179 | const vector< float > & coeff, |
---|
[805] | 2180 | const std::string & filename, |
---|
| 2181 | const std::string& method) |
---|
[165] | 2182 | { |
---|
[2658] | 2183 | LogIO os( LogOrigin( "STMath", "gainElevation", WHERE ) ) ; |
---|
[805] | 2184 | // Get elevation data from Scantable and convert to degrees |
---|
| 2185 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
[926] | 2186 | Table& tab = out->table(); |
---|
[805] | 2187 | ROScalarColumn<Float> elev(tab, "ELEVATION"); |
---|
| 2188 | Vector<Float> x = elev.getColumn(); |
---|
| 2189 | x *= Float(180 / C::pi); // Degrees |
---|
[165] | 2190 | |
---|
[867] | 2191 | Vector<Float> coeffs(coeff); |
---|
[805] | 2192 | const uInt nc = coeffs.nelements(); |
---|
| 2193 | if ( filename.length() > 0 && nc > 0 ) { |
---|
| 2194 | throw(AipsError("You must choose either polynomial coefficients or an ascii file, not both")); |
---|
[315] | 2195 | } |
---|
[165] | 2196 | |
---|
[805] | 2197 | // Correct |
---|
| 2198 | if ( nc > 0 || filename.length() == 0 ) { |
---|
| 2199 | // Find instrument |
---|
| 2200 | Bool throwit = True; |
---|
| 2201 | Instrument inst = |
---|
[878] | 2202 | STAttr::convertInstrument(tab.keywordSet().asString("AntennaName"), |
---|
[805] | 2203 | throwit); |
---|
[165] | 2204 | |
---|
[805] | 2205 | // Set polynomial |
---|
| 2206 | Polynomial<Float>* ppoly = 0; |
---|
| 2207 | Vector<Float> coeff; |
---|
| 2208 | String msg; |
---|
| 2209 | if ( nc > 0 ) { |
---|
[1618] | 2210 | ppoly = new Polynomial<Float>(nc-1); |
---|
[805] | 2211 | coeff = coeffs; |
---|
| 2212 | msg = String("user"); |
---|
| 2213 | } else { |
---|
[878] | 2214 | STAttr sdAttr; |
---|
[805] | 2215 | coeff = sdAttr.gainElevationPoly(inst); |
---|
[1618] | 2216 | ppoly = new Polynomial<Float>(coeff.nelements()-1); |
---|
[805] | 2217 | msg = String("built in"); |
---|
| 2218 | } |
---|
[532] | 2219 | |
---|
[805] | 2220 | if ( coeff.nelements() > 0 ) { |
---|
| 2221 | ppoly->setCoefficients(coeff); |
---|
| 2222 | } else { |
---|
| 2223 | delete ppoly; |
---|
| 2224 | throw(AipsError("There is no known gain-elevation polynomial known for this instrument")); |
---|
| 2225 | } |
---|
[2658] | 2226 | os << "Making polynomial correction with " << msg << " coefficients:" << endl; |
---|
| 2227 | os << " " << coeff << LogIO::POST; |
---|
[805] | 2228 | const uInt nrow = tab.nrow(); |
---|
| 2229 | Vector<Float> factor(nrow); |
---|
| 2230 | for ( uInt i=0; i < nrow; ++i ) { |
---|
| 2231 | factor[i] = 1.0 / (*ppoly)(x[i]); |
---|
| 2232 | } |
---|
| 2233 | delete ppoly; |
---|
| 2234 | scaleByVector(tab, factor, true); |
---|
[532] | 2235 | |
---|
[805] | 2236 | } else { |
---|
| 2237 | // Read and correct |
---|
[2658] | 2238 | os << "Making correction from ascii Table" << LogIO::POST; |
---|
[805] | 2239 | scaleFromAsciiTable(tab, filename, method, x, true); |
---|
[532] | 2240 | } |
---|
[805] | 2241 | return out; |
---|
| 2242 | } |
---|
[165] | 2243 | |
---|
[805] | 2244 | void STMath::scaleFromAsciiTable(Table& in, const std::string& filename, |
---|
| 2245 | const std::string& method, |
---|
| 2246 | const Vector<Float>& xout, bool dotsys) |
---|
| 2247 | { |
---|
[165] | 2248 | |
---|
[805] | 2249 | // Read gain-elevation ascii file data into a Table. |
---|
[165] | 2250 | |
---|
[805] | 2251 | String formatString; |
---|
| 2252 | Table tbl = readAsciiTable(formatString, Table::Memory, filename, "", "", False); |
---|
| 2253 | scaleFromTable(in, tbl, method, xout, dotsys); |
---|
| 2254 | } |
---|
[165] | 2255 | |
---|
[805] | 2256 | void STMath::scaleFromTable(Table& in, |
---|
| 2257 | const Table& table, |
---|
| 2258 | const std::string& method, |
---|
| 2259 | const Vector<Float>& xout, bool dotsys) |
---|
| 2260 | { |
---|
[780] | 2261 | |
---|
[805] | 2262 | ROScalarColumn<Float> geElCol(table, "ELEVATION"); |
---|
| 2263 | ROScalarColumn<Float> geFacCol(table, "FACTOR"); |
---|
| 2264 | Vector<Float> xin = geElCol.getColumn(); |
---|
| 2265 | Vector<Float> yin = geFacCol.getColumn(); |
---|
| 2266 | Vector<Bool> maskin(xin.nelements(),True); |
---|
[165] | 2267 | |
---|
[805] | 2268 | // Interpolate (and extrapolate) with desired method |
---|
[532] | 2269 | |
---|
[996] | 2270 | InterpolateArray1D<Double,Float>::InterpolationMethod interp = stringToIMethod(method); |
---|
[165] | 2271 | |
---|
[805] | 2272 | Vector<Float> yout; |
---|
| 2273 | Vector<Bool> maskout; |
---|
| 2274 | InterpolateArray1D<Float,Float>::interpolate(yout, maskout, xout, |
---|
[996] | 2275 | xin, yin, maskin, interp, |
---|
[805] | 2276 | True, True); |
---|
[165] | 2277 | |
---|
[805] | 2278 | scaleByVector(in, Float(1.0)/yout, dotsys); |
---|
[165] | 2279 | } |
---|
[167] | 2280 | |
---|
[805] | 2281 | void STMath::scaleByVector( Table& in, |
---|
| 2282 | const Vector< Float >& factor, |
---|
| 2283 | bool dotsys ) |
---|
[177] | 2284 | { |
---|
[805] | 2285 | uInt nrow = in.nrow(); |
---|
| 2286 | if ( factor.nelements() != nrow ) { |
---|
| 2287 | throw(AipsError("factors.nelements() != table.nelements()")); |
---|
| 2288 | } |
---|
| 2289 | ArrayColumn<Float> specCol(in, "SPECTRA"); |
---|
| 2290 | ArrayColumn<uChar> flagCol(in, "FLAGTRA"); |
---|
| 2291 | ArrayColumn<Float> tsysCol(in, "TSYS"); |
---|
| 2292 | for (uInt i=0; i < nrow; ++i) { |
---|
| 2293 | MaskedArray<Float> ma = maskedArray(specCol(i), flagCol(i)); |
---|
| 2294 | ma *= factor[i]; |
---|
| 2295 | specCol.put(i, ma.getArray()); |
---|
| 2296 | flagCol.put(i, flagsFromMA(ma)); |
---|
| 2297 | if ( dotsys ) { |
---|
[926] | 2298 | Vector<Float> tsys = tsysCol(i); |
---|
[805] | 2299 | tsys *= factor[i]; |
---|
[926] | 2300 | tsysCol.put(i,tsys); |
---|
[805] | 2301 | } |
---|
| 2302 | } |
---|
[177] | 2303 | } |
---|
| 2304 | |
---|
[805] | 2305 | CountedPtr< Scantable > STMath::convertFlux( const CountedPtr< Scantable >& in, |
---|
| 2306 | float d, float etaap, |
---|
| 2307 | float jyperk ) |
---|
[221] | 2308 | { |
---|
[2658] | 2309 | LogIO os( LogOrigin( "STMath", "convertFlux", WHERE ) ) ; |
---|
| 2310 | |
---|
[805] | 2311 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 2312 | Table& tab = in->table(); |
---|
[2474] | 2313 | Table& outtab = out->table(); |
---|
[805] | 2314 | Unit fluxUnit(tab.keywordSet().asString("FluxUnit")); |
---|
[221] | 2315 | Unit K(String("K")); |
---|
| 2316 | Unit JY(String("Jy")); |
---|
[701] | 2317 | |
---|
[805] | 2318 | bool tokelvin = true; |
---|
| 2319 | Double cfac = 1.0; |
---|
[716] | 2320 | |
---|
[805] | 2321 | if ( fluxUnit == JY ) { |
---|
[2658] | 2322 | os << "Converting to K" << LogIO::POST; |
---|
[701] | 2323 | Quantum<Double> t(1.0,fluxUnit); |
---|
| 2324 | Quantum<Double> t2 = t.get(JY); |
---|
[805] | 2325 | cfac = (t2 / t).getValue(); // value to Jy |
---|
[780] | 2326 | |
---|
[805] | 2327 | tokelvin = true; |
---|
| 2328 | out->setFluxUnit("K"); |
---|
| 2329 | } else if ( fluxUnit == K ) { |
---|
[2658] | 2330 | os << "Converting to Jy" << LogIO::POST; |
---|
[701] | 2331 | Quantum<Double> t(1.0,fluxUnit); |
---|
| 2332 | Quantum<Double> t2 = t.get(K); |
---|
[805] | 2333 | cfac = (t2 / t).getValue(); // value to K |
---|
[780] | 2334 | |
---|
[805] | 2335 | tokelvin = false; |
---|
| 2336 | out->setFluxUnit("Jy"); |
---|
[221] | 2337 | } else { |
---|
[701] | 2338 | throw(AipsError("Unrecognized brightness units in Table - must be consistent with Jy or K")); |
---|
[221] | 2339 | } |
---|
[701] | 2340 | // Make sure input values are converted to either Jy or K first... |
---|
[805] | 2341 | Float factor = cfac; |
---|
[221] | 2342 | |
---|
[701] | 2343 | // Select method |
---|
[805] | 2344 | if (jyperk > 0.0) { |
---|
| 2345 | factor *= jyperk; |
---|
| 2346 | if ( tokelvin ) factor = 1.0 / jyperk; |
---|
[2658] | 2347 | os << "Jy/K = " << jyperk << LogIO::POST; |
---|
[2474] | 2348 | Vector<Float> factors(outtab.nrow(), factor); |
---|
| 2349 | scaleByVector(outtab,factors, false); |
---|
[805] | 2350 | } else if ( etaap > 0.0) { |
---|
[1319] | 2351 | if (d < 0) { |
---|
| 2352 | Instrument inst = |
---|
[1570] | 2353 | STAttr::convertInstrument(tab.keywordSet().asString("AntennaName"), |
---|
[1319] | 2354 | True); |
---|
| 2355 | STAttr sda; |
---|
| 2356 | d = sda.diameter(inst); |
---|
| 2357 | } |
---|
[996] | 2358 | jyperk = STAttr::findJyPerK(etaap, d); |
---|
[2658] | 2359 | os << "Jy/K = " << jyperk << LogIO::POST; |
---|
[805] | 2360 | factor *= jyperk; |
---|
| 2361 | if ( tokelvin ) { |
---|
[701] | 2362 | factor = 1.0 / factor; |
---|
| 2363 | } |
---|
[2474] | 2364 | Vector<Float> factors(outtab.nrow(), factor); |
---|
| 2365 | scaleByVector(outtab, factors, False); |
---|
[354] | 2366 | } else { |
---|
[780] | 2367 | |
---|
[701] | 2368 | // OK now we must deal with automatic look up of values. |
---|
| 2369 | // We must also deal with the fact that the factors need |
---|
| 2370 | // to be computed per IF and may be different and may |
---|
| 2371 | // change per integration. |
---|
[780] | 2372 | |
---|
[2658] | 2373 | os <<"Looking up conversion factors" << LogIO::POST; |
---|
[805] | 2374 | convertBrightnessUnits(out, tokelvin, cfac); |
---|
[701] | 2375 | } |
---|
[805] | 2376 | |
---|
| 2377 | return out; |
---|
[221] | 2378 | } |
---|
| 2379 | |
---|
[805] | 2380 | void STMath::convertBrightnessUnits( CountedPtr<Scantable>& in, |
---|
| 2381 | bool tokelvin, float cfac ) |
---|
[227] | 2382 | { |
---|
[805] | 2383 | Table& table = in->table(); |
---|
| 2384 | Instrument inst = |
---|
[878] | 2385 | STAttr::convertInstrument(table.keywordSet().asString("AntennaName"), True); |
---|
[805] | 2386 | TableIterator iter(table, "FREQ_ID"); |
---|
| 2387 | STFrequencies stfreqs = in->frequencies(); |
---|
[878] | 2388 | STAttr sdAtt; |
---|
[805] | 2389 | while (!iter.pastEnd()) { |
---|
| 2390 | Table tab = iter.table(); |
---|
| 2391 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2392 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 2393 | ROScalarColumn<uInt> freqidCol(tab, "FREQ_ID"); |
---|
| 2394 | MEpoch::ROScalarColumn timeCol(tab, "TIME"); |
---|
[234] | 2395 | |
---|
[805] | 2396 | uInt freqid; freqidCol.get(0, freqid); |
---|
| 2397 | Vector<Float> tmpspec; specCol.get(0, tmpspec); |
---|
[878] | 2398 | // STAttr.JyPerK has a Vector interface... change sometime. |
---|
[805] | 2399 | Vector<Float> freqs(1,stfreqs.getRefFreq(freqid, tmpspec.nelements())); |
---|
| 2400 | for ( uInt i=0; i<tab.nrow(); ++i) { |
---|
| 2401 | Float jyperk = (sdAtt.JyPerK(inst, timeCol(i), freqs))[0]; |
---|
| 2402 | Float factor = cfac * jyperk; |
---|
| 2403 | if ( tokelvin ) factor = Float(1.0) / factor; |
---|
| 2404 | MaskedArray<Float> ma = maskedArray(specCol(i), flagCol(i)); |
---|
| 2405 | ma *= factor; |
---|
| 2406 | specCol.put(i, ma.getArray()); |
---|
| 2407 | flagCol.put(i, flagsFromMA(ma)); |
---|
| 2408 | } |
---|
[867] | 2409 | ++iter; |
---|
[234] | 2410 | } |
---|
[230] | 2411 | } |
---|
[227] | 2412 | |
---|
[805] | 2413 | CountedPtr< Scantable > STMath::opacity( const CountedPtr< Scantable > & in, |
---|
[1689] | 2414 | const std::vector<float>& tau ) |
---|
[234] | 2415 | { |
---|
[805] | 2416 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
[926] | 2417 | |
---|
[1689] | 2418 | Table outtab = out->table(); |
---|
| 2419 | |
---|
[2125] | 2420 | const Int ntau = uInt(tau.size()); |
---|
[1689] | 2421 | std::vector<float>::const_iterator tauit = tau.begin(); |
---|
| 2422 | AlwaysAssert((ntau == 1 || ntau == in->nif() || ntau == in->nif() * in->npol()), |
---|
| 2423 | AipsError); |
---|
| 2424 | TableIterator iiter(outtab, "IFNO"); |
---|
| 2425 | while ( !iiter.pastEnd() ) { |
---|
| 2426 | Table itab = iiter.table(); |
---|
[2278] | 2427 | TableIterator piter(itab, "POLNO"); |
---|
[1689] | 2428 | while ( !piter.pastEnd() ) { |
---|
| 2429 | Table tab = piter.table(); |
---|
| 2430 | ROScalarColumn<Float> elev(tab, "ELEVATION"); |
---|
| 2431 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2432 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 2433 | ArrayColumn<Float> tsysCol(tab, "TSYS"); |
---|
| 2434 | for ( uInt i=0; i<tab.nrow(); ++i) { |
---|
| 2435 | Float zdist = Float(C::pi_2) - elev(i); |
---|
| 2436 | Float factor = exp(*tauit/cos(zdist)); |
---|
| 2437 | MaskedArray<Float> ma = maskedArray(specCol(i), flagCol(i)); |
---|
| 2438 | ma *= factor; |
---|
| 2439 | specCol.put(i, ma.getArray()); |
---|
| 2440 | flagCol.put(i, flagsFromMA(ma)); |
---|
| 2441 | Vector<Float> tsys; |
---|
| 2442 | tsysCol.get(i, tsys); |
---|
| 2443 | tsys *= factor; |
---|
| 2444 | tsysCol.put(i, tsys); |
---|
| 2445 | } |
---|
| 2446 | if (ntau == in->nif()*in->npol() ) { |
---|
| 2447 | tauit++; |
---|
| 2448 | } |
---|
| 2449 | piter++; |
---|
| 2450 | } |
---|
| 2451 | if (ntau >= in->nif() ) { |
---|
| 2452 | tauit++; |
---|
| 2453 | } |
---|
| 2454 | iiter++; |
---|
[234] | 2455 | } |
---|
[805] | 2456 | return out; |
---|
[234] | 2457 | } |
---|
| 2458 | |
---|
[1373] | 2459 | CountedPtr< Scantable > STMath::smoothOther( const CountedPtr< Scantable >& in, |
---|
| 2460 | const std::string& kernel, |
---|
[1570] | 2461 | float width, int order) |
---|
[1373] | 2462 | { |
---|
| 2463 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
[2125] | 2464 | Table table = out->table(); |
---|
| 2465 | |
---|
| 2466 | TableIterator iter(table, "IFNO"); |
---|
| 2467 | while (!iter.pastEnd()) { |
---|
| 2468 | Table tab = iter.table(); |
---|
| 2469 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2470 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 2471 | Vector<Float> spec; |
---|
| 2472 | Vector<uChar> flag; |
---|
| 2473 | for (uInt i = 0; i < tab.nrow(); ++i) { |
---|
| 2474 | specCol.get(i, spec); |
---|
| 2475 | flagCol.get(i, flag); |
---|
| 2476 | Vector<Bool> mask(flag.nelements()); |
---|
| 2477 | convertArray(mask, flag); |
---|
| 2478 | Vector<Float> specout; |
---|
| 2479 | Vector<Bool> maskout; |
---|
| 2480 | if (kernel == "hanning") { |
---|
| 2481 | mathutil::hanning(specout, maskout, spec, !mask); |
---|
| 2482 | } else if (kernel == "rmedian") { |
---|
| 2483 | mathutil::runningMedian(specout, maskout, spec , mask, width); |
---|
| 2484 | } else if (kernel == "poly") { |
---|
| 2485 | mathutil::polyfit(specout, maskout, spec, !mask, width, order); |
---|
| 2486 | } |
---|
| 2487 | |
---|
| 2488 | for (uInt j = 0; j < flag.nelements(); ++j) { |
---|
| 2489 | uChar userFlag = 1 << 7; |
---|
| 2490 | if (maskout[j]==True) userFlag = 0 << 7; |
---|
| 2491 | flag(j) = userFlag; |
---|
| 2492 | } |
---|
| 2493 | |
---|
| 2494 | flagCol.put(i, flag); |
---|
| 2495 | specCol.put(i, specout); |
---|
[1373] | 2496 | } |
---|
[2125] | 2497 | ++iter; |
---|
[1373] | 2498 | } |
---|
| 2499 | return out; |
---|
| 2500 | } |
---|
| 2501 | |
---|
[805] | 2502 | CountedPtr< Scantable > STMath::smooth( const CountedPtr< Scantable >& in, |
---|
[1571] | 2503 | const std::string& kernel, float width, |
---|
| 2504 | int order) |
---|
[457] | 2505 | { |
---|
[1571] | 2506 | if (kernel == "rmedian" || kernel == "hanning" || kernel == "poly") { |
---|
| 2507 | return smoothOther(in, kernel, width, order); |
---|
[1373] | 2508 | } |
---|
[805] | 2509 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
[1033] | 2510 | Table& table = out->table(); |
---|
[805] | 2511 | VectorKernel::KernelTypes type = VectorKernel::toKernelType(kernel); |
---|
| 2512 | // same IFNO should have same no of channels |
---|
| 2513 | // this saves overhead |
---|
| 2514 | TableIterator iter(table, "IFNO"); |
---|
| 2515 | while (!iter.pastEnd()) { |
---|
| 2516 | Table tab = iter.table(); |
---|
| 2517 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2518 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
[2643] | 2519 | Vector<Float> spec = specCol( 0 ); |
---|
| 2520 | uInt nchan = spec.nelements(); |
---|
[805] | 2521 | Vector<Float> kvec = VectorKernel::make(type, width, nchan, True, False); |
---|
| 2522 | Convolver<Float> conv(kvec, IPosition(1,nchan)); |
---|
| 2523 | Vector<uChar> flag; |
---|
[2643] | 2524 | Vector<Bool> mask(nchan); |
---|
[805] | 2525 | for ( uInt i=0; i<tab.nrow(); ++i) { |
---|
| 2526 | specCol.get(i, spec); |
---|
| 2527 | flagCol.get(i, flag); |
---|
| 2528 | convertArray(mask, flag); |
---|
| 2529 | Vector<Float> specout; |
---|
[2879] | 2530 | //mathutil::replaceMaskByZero(specout, mask); |
---|
| 2531 | mathutil::replaceMaskByZero(spec, !mask); |
---|
| 2532 | //std::vector<bool> vmask; |
---|
| 2533 | //(!mask).tovector(vmask); |
---|
| 2534 | //mathutil::doZeroOrderInterpolation(spec, vmask); |
---|
[1373] | 2535 | conv.linearConv(specout, spec); |
---|
| 2536 | specCol.put(i, specout); |
---|
[805] | 2537 | } |
---|
[867] | 2538 | ++iter; |
---|
[701] | 2539 | } |
---|
[805] | 2540 | return out; |
---|
[701] | 2541 | } |
---|
[841] | 2542 | |
---|
| 2543 | CountedPtr< Scantable > |
---|
[2900] | 2544 | STMath::merge( const std::vector< CountedPtr < Scantable > >& in, |
---|
| 2545 | const std::string &freqTol ) |
---|
[841] | 2546 | { |
---|
[2903] | 2547 | Double freqTolInHz = 0.0; // default is 0.0Hz (merge only when exact match) |
---|
[2899] | 2548 | if (freqTol.size() > 0) { |
---|
| 2549 | Quantum<Double> freqTolInQuantity; |
---|
| 2550 | if (!Quantum<Double>::read(freqTolInQuantity, freqTol)) { |
---|
| 2551 | throw(AipsError("Failed to convert freqTol string to quantity")); |
---|
| 2552 | } |
---|
| 2553 | if (!freqTolInQuantity.isConform("Hz")) { |
---|
| 2554 | throw(AipsError("Invalid freqTol string")); |
---|
| 2555 | } |
---|
| 2556 | freqTolInHz = freqTolInQuantity.getValue("Hz"); |
---|
[2904] | 2557 | LogIO os(LogOrigin("STMath", "merge", WHERE)); |
---|
| 2558 | os << "frequency tolerance = " << freqTolInHz << "Hz" << LogIO::POST; |
---|
[2899] | 2559 | } |
---|
| 2560 | |
---|
[841] | 2561 | if ( in.size() < 2 ) { |
---|
[862] | 2562 | throw(AipsError("Need at least two scantables to perform a merge.")); |
---|
[841] | 2563 | } |
---|
| 2564 | std::vector<CountedPtr < Scantable > >::const_iterator it = in.begin(); |
---|
| 2565 | bool insitu = insitu_; |
---|
| 2566 | setInsitu(false); |
---|
[862] | 2567 | CountedPtr< Scantable > out = getScantable(*it, false); |
---|
[841] | 2568 | setInsitu(insitu); |
---|
| 2569 | Table& tout = out->table(); |
---|
| 2570 | ScalarColumn<uInt> freqidcol(tout,"FREQ_ID"), molidcol(tout, "MOLECULE_ID"); |
---|
[917] | 2571 | ScalarColumn<uInt> scannocol(tout,"SCANNO"), focusidcol(tout,"FOCUS_ID"); |
---|
[2899] | 2572 | ScalarColumn<uInt> ifnocol(tout, "IFNO"); |
---|
[917] | 2573 | // Renumber SCANNO to be 0-based |
---|
[926] | 2574 | Vector<uInt> scannos = scannocol.getColumn(); |
---|
| 2575 | uInt offset = min(scannos); |
---|
[917] | 2576 | scannos -= offset; |
---|
[926] | 2577 | scannocol.putColumn(scannos); |
---|
| 2578 | uInt newscanno = max(scannos)+1; |
---|
[862] | 2579 | ++it; |
---|
[2900] | 2580 | |
---|
| 2581 | // new IFNO |
---|
| 2582 | uInt ifnoCounter = max(ifnocol.getColumn()) + 1; |
---|
| 2583 | |
---|
[2905] | 2584 | // Here we assume that each IFNO has unique MOLECULE_ID |
---|
| 2585 | // molIdMap: |
---|
| 2586 | // KEY: IFNO |
---|
| 2587 | // VALUE: MOLECULE_ID |
---|
| 2588 | map<uInt, uInt> molIdMap; |
---|
| 2589 | { |
---|
| 2590 | TableIterator ifit(tout, "IFNO"); |
---|
| 2591 | while (!ifit.pastEnd()) { |
---|
| 2592 | ROTableRow row(ifit.table()); |
---|
| 2593 | const TableRecord& rec = row.get(0); |
---|
| 2594 | molIdMap[rec.asuInt("IFNO")] = rec.asuInt("MOLECULE_ID"); |
---|
| 2595 | ifit.next(); |
---|
| 2596 | } |
---|
| 2597 | } |
---|
| 2598 | |
---|
[841] | 2599 | while ( it != in.end() ){ |
---|
[2899] | 2600 | // Check FREQUENCIES/BASEFRAME |
---|
| 2601 | if ( out->frequencies().getFrame(true) != (*it)->frequencies().getFrame(true) ) { |
---|
| 2602 | throw(AipsError("BASEFRAME is not identical")); |
---|
| 2603 | } |
---|
| 2604 | |
---|
[841] | 2605 | if ( ! (*it)->conformant(*out) ) { |
---|
[1439] | 2606 | // non conformant. |
---|
[1819] | 2607 | LogIO os( LogOrigin( "STMath", "merge()", WHERE ) ) ; |
---|
| 2608 | os << LogIO::SEVERE << "Can't merge scantables as header informations (any one of AntennaName, Equinox, and FluxUnit) differ." << LogIO::EXCEPTION ; |
---|
[841] | 2609 | } |
---|
[862] | 2610 | out->appendToHistoryTable((*it)->history()); |
---|
[841] | 2611 | const Table& tab = (*it)->table(); |
---|
[2289] | 2612 | |
---|
| 2613 | Block<String> cols(3); |
---|
| 2614 | cols[0] = String("FREQ_ID"); |
---|
| 2615 | cols[1] = String("MOLECULE_ID"); |
---|
| 2616 | cols[2] = String("FOCUS_ID"); |
---|
[2905] | 2617 | |
---|
[841] | 2618 | TableIterator scanit(tab, "SCANNO"); |
---|
| 2619 | while (!scanit.pastEnd()) { |
---|
[2289] | 2620 | TableIterator subit(scanit.table(), cols); |
---|
| 2621 | while ( !subit.pastEnd() ) { |
---|
[841] | 2622 | uInt nrow = tout.nrow(); |
---|
[2289] | 2623 | Table thetab = subit.table(); |
---|
| 2624 | ROTableRow row(thetab); |
---|
| 2625 | Vector<uInt> thecolvals(thetab.nrow()); |
---|
| 2626 | // The selected subset of table should have |
---|
| 2627 | // the equal FREQ_ID, MOLECULE_ID, and FOCUS_ID values. |
---|
| 2628 | const TableRecord& rec = row.get(0); |
---|
[2899] | 2629 | |
---|
[2289] | 2630 | // Set the proper FREQ_ID |
---|
| 2631 | Double rv,rp,inc; |
---|
| 2632 | (*it)->frequencies().getEntry(rp, rv, inc, rec.asuInt("FREQ_ID")); |
---|
| 2633 | uInt id; |
---|
[2900] | 2634 | |
---|
| 2635 | // default value is new unique IFNO |
---|
| 2636 | uInt newifno = ifnoCounter; |
---|
[2905] | 2637 | Bool isIfMerged = False; |
---|
[2900] | 2638 | uInt nchan = rec.asArrayFloat("SPECTRA").shape()[0]; |
---|
| 2639 | //id = out->frequencies().addEntry(rp, rv, inc); |
---|
| 2640 | if ( !out->frequencies().match(rp, rv, inc, freqTolInHz, id) ) { |
---|
| 2641 | // add new entry to FREQUENCIES table |
---|
| 2642 | id = out->frequencies().addEntry(rp, rv, inc); |
---|
| 2643 | |
---|
| 2644 | // increment counter for IFNO |
---|
| 2645 | ifnoCounter++; |
---|
| 2646 | } |
---|
| 2647 | else { |
---|
| 2648 | // should renumber IFNO to be same as existing rows that have same FREQ_ID |
---|
| 2649 | LogIO os(LogOrigin("STMath", "merge", WHERE)); |
---|
| 2650 | Table outFreqIdSelected = tout(tout.col("FREQ_ID") == id); |
---|
| 2651 | TableIterator _iter(outFreqIdSelected, "IFNO"); |
---|
| 2652 | map<uInt, uInt> nchanMap; |
---|
| 2653 | while (!_iter.pastEnd()) { |
---|
| 2654 | const Table _table = _iter.table(); |
---|
| 2655 | ROTableRow _row(_table); |
---|
| 2656 | const TableRecord &_rec = _row.get(0); |
---|
| 2657 | uInt nchan = _rec.asArrayFloat("SPECTRA").shape()[0]; |
---|
| 2658 | if (nchanMap.find(nchan) != nchanMap.end()) { |
---|
| 2659 | throw(AipsError("There are non-unique IFNOs assigned to spectra that have same FREQ_ID and same nchan. Something wrong.")); |
---|
| 2660 | } |
---|
| 2661 | nchanMap[nchan] = _rec.asuInt("IFNO"); |
---|
| 2662 | _iter.next(); |
---|
| 2663 | } |
---|
| 2664 | |
---|
| 2665 | os << LogIO::DEBUGGING << "nchanMap for " << id << ":" << LogIO::POST; |
---|
| 2666 | for (map<uInt, uInt>::iterator i = nchanMap.begin(); i != nchanMap.end(); ++i) { |
---|
| 2667 | os << LogIO::DEBUGGING << "nchanMap[" << i->first << "] = " << i->second << LogIO::POST; |
---|
| 2668 | } |
---|
| 2669 | |
---|
| 2670 | if (nchanMap.find(nchan) == nchanMap.end()) { |
---|
| 2671 | // increment counter for IFNO |
---|
| 2672 | ifnoCounter++; |
---|
| 2673 | } |
---|
| 2674 | else { |
---|
| 2675 | // renumber IFNO to be same as existing value that corresponds to nchan |
---|
| 2676 | newifno = nchanMap[nchan]; |
---|
[2905] | 2677 | isIfMerged = True; |
---|
[2900] | 2678 | } |
---|
| 2679 | os << LogIO::DEBUGGING << "newifno = " << newifno << LogIO::POST; |
---|
| 2680 | } |
---|
[2934] | 2681 | // copy rows to output table |
---|
| 2682 | tout.addRow(thetab.nrow()); |
---|
| 2683 | TableCopy::copyRows(tout, thetab, nrow, 0, thetab.nrow()); |
---|
| 2684 | |
---|
| 2685 | Slicer slice(IPosition(1, nrow), IPosition(1, thetab.nrow()), |
---|
| 2686 | Slicer::endIsLength); |
---|
| 2687 | |
---|
[2289] | 2688 | thecolvals = id; |
---|
[2899] | 2689 | freqidcol.putColumnRange(slice, thecolvals); |
---|
[2900] | 2690 | |
---|
| 2691 | thecolvals = newifno; |
---|
| 2692 | ifnocol.putColumnRange(slice, thecolvals); |
---|
[2899] | 2693 | |
---|
[2289] | 2694 | // Set the proper MOLECULE_ID |
---|
| 2695 | Vector<String> name,fname;Vector<Double> rf; |
---|
| 2696 | (*it)->molecules().getEntry(rf, name, fname, rec.asuInt("MOLECULE_ID")); |
---|
| 2697 | id = out->molecules().addEntry(rf, name, fname); |
---|
[2905] | 2698 | if (molIdMap.find(newifno) == molIdMap.end()) { |
---|
| 2699 | // add new entry to molIdMap |
---|
| 2700 | molIdMap[newifno] = id; |
---|
| 2701 | } |
---|
| 2702 | if (isIfMerged) { |
---|
| 2703 | id = molIdMap[newifno]; |
---|
| 2704 | } |
---|
[2289] | 2705 | thecolvals = id; |
---|
[2899] | 2706 | molidcol.putColumnRange(slice, thecolvals); |
---|
| 2707 | |
---|
[2289] | 2708 | // Set the proper FOCUS_ID |
---|
| 2709 | Float fpa,frot,fax,ftan,fhand,fmount,fuser, fxy, fxyp; |
---|
| 2710 | (*it)->focus().getEntry(fpa, fax, ftan, frot, fhand, fmount,fuser, |
---|
| 2711 | fxy, fxyp, rec.asuInt("FOCUS_ID")); |
---|
| 2712 | id = out->focus().addEntry(fpa, fax, ftan, frot, fhand, fmount,fuser, |
---|
| 2713 | fxy, fxyp); |
---|
| 2714 | thecolvals = id; |
---|
[2899] | 2715 | focusidcol.putColumnRange(slice, thecolvals); |
---|
[2289] | 2716 | |
---|
[2899] | 2717 | // Set the proper SCANNO |
---|
| 2718 | thecolvals = newscanno; |
---|
| 2719 | scannocol.putColumnRange(slice, thecolvals); |
---|
[2289] | 2720 | |
---|
| 2721 | ++subit; |
---|
[841] | 2722 | } |
---|
| 2723 | ++newscanno; |
---|
| 2724 | ++scanit; |
---|
| 2725 | } |
---|
| 2726 | ++it; |
---|
| 2727 | } |
---|
| 2728 | return out; |
---|
| 2729 | } |
---|
[896] | 2730 | |
---|
| 2731 | CountedPtr< Scantable > |
---|
| 2732 | STMath::invertPhase( const CountedPtr < Scantable >& in ) |
---|
| 2733 | { |
---|
[996] | 2734 | return applyToPol(in, &STPol::invertPhase, Float(0.0)); |
---|
[896] | 2735 | } |
---|
| 2736 | |
---|
| 2737 | CountedPtr< Scantable > |
---|
| 2738 | STMath::rotateXYPhase( const CountedPtr < Scantable >& in, float phase ) |
---|
| 2739 | { |
---|
| 2740 | return applyToPol(in, &STPol::rotatePhase, Float(phase)); |
---|
| 2741 | } |
---|
| 2742 | |
---|
| 2743 | CountedPtr< Scantable > |
---|
| 2744 | STMath::rotateLinPolPhase( const CountedPtr < Scantable >& in, float phase ) |
---|
| 2745 | { |
---|
| 2746 | return applyToPol(in, &STPol::rotateLinPolPhase, Float(phase)); |
---|
| 2747 | } |
---|
| 2748 | |
---|
| 2749 | CountedPtr< Scantable > STMath::applyToPol( const CountedPtr<Scantable>& in, |
---|
| 2750 | STPol::polOperation fptr, |
---|
| 2751 | Float phase ) |
---|
| 2752 | { |
---|
| 2753 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 2754 | Table& tout = out->table(); |
---|
| 2755 | Block<String> cols(4); |
---|
| 2756 | cols[0] = String("SCANNO"); |
---|
| 2757 | cols[1] = String("BEAMNO"); |
---|
| 2758 | cols[2] = String("IFNO"); |
---|
| 2759 | cols[3] = String("CYCLENO"); |
---|
| 2760 | TableIterator iter(tout, cols); |
---|
[1569] | 2761 | CountedPtr<STPol> stpol = STPol::getPolClass(out->factories_, |
---|
[1384] | 2762 | out->getPolType() ); |
---|
[896] | 2763 | while (!iter.pastEnd()) { |
---|
| 2764 | Table t = iter.table(); |
---|
| 2765 | ArrayColumn<Float> speccol(t, "SPECTRA"); |
---|
[1015] | 2766 | ScalarColumn<uInt> focidcol(t, "FOCUS_ID"); |
---|
[1384] | 2767 | Matrix<Float> pols(speccol.getColumn()); |
---|
[896] | 2768 | try { |
---|
| 2769 | stpol->setSpectra(pols); |
---|
[1586] | 2770 | Float fang,fhand; |
---|
| 2771 | fang = in->focusTable_.getTotalAngle(focidcol(0)); |
---|
[1015] | 2772 | fhand = in->focusTable_.getFeedHand(focidcol(0)); |
---|
[1586] | 2773 | stpol->setPhaseCorrections(fang, fhand); |
---|
[1384] | 2774 | // use a member function pointer in STPol. This only works on |
---|
| 2775 | // the STPol pointer itself, not the Counted Pointer so |
---|
| 2776 | // derefernce it. |
---|
| 2777 | (&(*(stpol))->*fptr)(phase); |
---|
[896] | 2778 | speccol.putColumn(stpol->getSpectra()); |
---|
| 2779 | } catch (AipsError& e) { |
---|
[1384] | 2780 | //delete stpol;stpol=0; |
---|
[896] | 2781 | throw(e); |
---|
| 2782 | } |
---|
| 2783 | ++iter; |
---|
| 2784 | } |
---|
[1384] | 2785 | //delete stpol;stpol=0; |
---|
[896] | 2786 | return out; |
---|
| 2787 | } |
---|
| 2788 | |
---|
| 2789 | CountedPtr< Scantable > |
---|
| 2790 | STMath::swapPolarisations( const CountedPtr< Scantable > & in ) |
---|
| 2791 | { |
---|
| 2792 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 2793 | Table& tout = out->table(); |
---|
| 2794 | Table t0 = tout(tout.col("POLNO") == 0); |
---|
| 2795 | Table t1 = tout(tout.col("POLNO") == 1); |
---|
| 2796 | if ( t0.nrow() != t1.nrow() ) |
---|
| 2797 | throw(AipsError("Inconsistent number of polarisations")); |
---|
| 2798 | ArrayColumn<Float> speccol0(t0, "SPECTRA"); |
---|
| 2799 | ArrayColumn<uChar> flagcol0(t0, "FLAGTRA"); |
---|
| 2800 | ArrayColumn<Float> speccol1(t1, "SPECTRA"); |
---|
| 2801 | ArrayColumn<uChar> flagcol1(t1, "FLAGTRA"); |
---|
| 2802 | Matrix<Float> s0 = speccol0.getColumn(); |
---|
| 2803 | Matrix<uChar> f0 = flagcol0.getColumn(); |
---|
| 2804 | speccol0.putColumn(speccol1.getColumn()); |
---|
| 2805 | flagcol0.putColumn(flagcol1.getColumn()); |
---|
| 2806 | speccol1.putColumn(s0); |
---|
| 2807 | flagcol1.putColumn(f0); |
---|
| 2808 | return out; |
---|
| 2809 | } |
---|
[917] | 2810 | |
---|
| 2811 | CountedPtr< Scantable > |
---|
[940] | 2812 | STMath::averagePolarisations( const CountedPtr< Scantable > & in, |
---|
| 2813 | const std::vector<bool>& mask, |
---|
| 2814 | const std::string& weight ) |
---|
| 2815 | { |
---|
[1232] | 2816 | if (in->npol() < 2 ) |
---|
| 2817 | throw(AipsError("averagePolarisations can only be applied to two or more" |
---|
| 2818 | "polarisations")); |
---|
[1010] | 2819 | bool insitu = insitu_; |
---|
| 2820 | setInsitu(false); |
---|
[1232] | 2821 | CountedPtr< Scantable > pols = getScantable(in, true); |
---|
[1010] | 2822 | setInsitu(insitu); |
---|
| 2823 | Table& tout = pols->table(); |
---|
[1232] | 2824 | std::string taql = "SELECT FROM $1 WHERE POLNO IN [0,1]"; |
---|
| 2825 | Table tab = tableCommand(taql, in->table()); |
---|
| 2826 | if (tab.nrow() == 0 ) |
---|
| 2827 | throw(AipsError("Could not find any rows with POLNO==0 and POLNO==1")); |
---|
| 2828 | TableCopy::copyRows(tout, tab); |
---|
[1145] | 2829 | TableVector<uInt> vec(tout, "POLNO"); |
---|
[940] | 2830 | vec = 0; |
---|
[1145] | 2831 | pols->table_.rwKeywordSet().define("nPol", Int(1)); |
---|
[2102] | 2832 | pols->table_.rwKeywordSet().define("POLTYPE", String("stokes")); |
---|
| 2833 | //pols->table_.rwKeywordSet().define("POLTYPE", in->getPolType()); |
---|
[1010] | 2834 | std::vector<CountedPtr<Scantable> > vpols; |
---|
| 2835 | vpols.push_back(pols); |
---|
[1232] | 2836 | CountedPtr< Scantable > out = average(vpols, mask, weight, "SCAN"); |
---|
[940] | 2837 | return out; |
---|
| 2838 | } |
---|
| 2839 | |
---|
[1145] | 2840 | CountedPtr< Scantable > |
---|
| 2841 | STMath::averageBeams( const CountedPtr< Scantable > & in, |
---|
| 2842 | const std::vector<bool>& mask, |
---|
| 2843 | const std::string& weight ) |
---|
| 2844 | { |
---|
| 2845 | bool insitu = insitu_; |
---|
| 2846 | setInsitu(false); |
---|
| 2847 | CountedPtr< Scantable > beams = getScantable(in, false); |
---|
| 2848 | setInsitu(insitu); |
---|
| 2849 | Table& tout = beams->table(); |
---|
| 2850 | // give all rows the same BEAMNO |
---|
| 2851 | TableVector<uInt> vec(tout, "BEAMNO"); |
---|
| 2852 | vec = 0; |
---|
| 2853 | beams->table_.rwKeywordSet().define("nBeam", Int(1)); |
---|
| 2854 | std::vector<CountedPtr<Scantable> > vbeams; |
---|
| 2855 | vbeams.push_back(beams); |
---|
[1232] | 2856 | CountedPtr< Scantable > out = average(vbeams, mask, weight, "SCAN"); |
---|
[1145] | 2857 | return out; |
---|
| 2858 | } |
---|
[940] | 2859 | |
---|
[1145] | 2860 | |
---|
[940] | 2861 | CountedPtr< Scantable > |
---|
[917] | 2862 | asap::STMath::frequencyAlign( const CountedPtr< Scantable > & in, |
---|
| 2863 | const std::string & refTime, |
---|
[926] | 2864 | const std::string & method) |
---|
[917] | 2865 | { |
---|
[2658] | 2866 | LogIO os( casa::LogOrigin("STMath", "frequencyAlign()", WHERE)); |
---|
[940] | 2867 | // clone as this is not working insitu |
---|
| 2868 | bool insitu = insitu_; |
---|
| 2869 | setInsitu(false); |
---|
[917] | 2870 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
[940] | 2871 | setInsitu(insitu); |
---|
[917] | 2872 | Table& tout = out->table(); |
---|
| 2873 | // Get reference Epoch to time of first row or given String |
---|
| 2874 | Unit DAY(String("d")); |
---|
| 2875 | MEpoch::Ref epochRef(in->getTimeReference()); |
---|
| 2876 | MEpoch refEpoch; |
---|
| 2877 | if (refTime.length()>0) { |
---|
| 2878 | Quantum<Double> qt; |
---|
| 2879 | if (MVTime::read(qt,refTime)) { |
---|
| 2880 | MVEpoch mv(qt); |
---|
| 2881 | refEpoch = MEpoch(mv, epochRef); |
---|
| 2882 | } else { |
---|
| 2883 | throw(AipsError("Invalid format for Epoch string")); |
---|
| 2884 | } |
---|
| 2885 | } else { |
---|
| 2886 | refEpoch = in->timeCol_(0); |
---|
| 2887 | } |
---|
| 2888 | MPosition refPos = in->getAntennaPosition(); |
---|
[940] | 2889 | |
---|
[996] | 2890 | InterpolateArray1D<Double,Float>::InterpolationMethod interp = stringToIMethod(method); |
---|
[1475] | 2891 | /* |
---|
| 2892 | // Comment from MV. |
---|
| 2893 | // the following code has been commented out because different FREQ_IDs have to be aligned together even |
---|
| 2894 | // if the frame doesn't change. So far, lack of this check didn't cause any problems. |
---|
[917] | 2895 | // test if user frame is different to base frame |
---|
| 2896 | if ( in->frequencies().getFrameString(true) |
---|
| 2897 | == in->frequencies().getFrameString(false) ) { |
---|
[985] | 2898 | throw(AipsError("Can't convert as no output frame has been set" |
---|
| 2899 | " (use set_freqframe) or it is aligned already.")); |
---|
[917] | 2900 | } |
---|
[1475] | 2901 | */ |
---|
[917] | 2902 | MFrequency::Types system = in->frequencies().getFrame(); |
---|
[940] | 2903 | MVTime mvt(refEpoch.getValue()); |
---|
| 2904 | String epochout = mvt.string(MVTime::YMD) + String(" (") + refEpoch.getRefString() + String(")"); |
---|
[2818] | 2905 | os << "Aligning at reference Epoch " << epochout |
---|
[2658] | 2906 | << " in frame " << MFrequency::showType(system) << LogIO::POST; |
---|
[917] | 2907 | // set up the iterator |
---|
[926] | 2908 | Block<String> cols(4); |
---|
| 2909 | // select by constant direction |
---|
[917] | 2910 | cols[0] = String("SRCNAME"); |
---|
| 2911 | cols[1] = String("BEAMNO"); |
---|
| 2912 | // select by IF ( no of channels varies over this ) |
---|
| 2913 | cols[2] = String("IFNO"); |
---|
[926] | 2914 | // select by restfrequency |
---|
| 2915 | cols[3] = String("MOLECULE_ID"); |
---|
[917] | 2916 | TableIterator iter(tout, cols); |
---|
[926] | 2917 | while ( !iter.pastEnd() ) { |
---|
[917] | 2918 | Table t = iter.table(); |
---|
[2818] | 2919 | ROScalarColumn<String> snCol(t, "SRCNAME"); |
---|
| 2920 | os << "Aligning to position of source '" << snCol(0) << "'" << LogIO::POST; |
---|
[917] | 2921 | MDirection::ROScalarColumn dirCol(t, "DIRECTION"); |
---|
[926] | 2922 | TableIterator fiter(t, "FREQ_ID"); |
---|
[917] | 2923 | // determine nchan from the first row. This should work as |
---|
[2818] | 2924 | // we are iterating over BEAMNO and IFNO |
---|
| 2925 | // we should have constant direction |
---|
[926] | 2926 | |
---|
[917] | 2927 | ROArrayColumn<Float> sCol(t, "SPECTRA"); |
---|
[1475] | 2928 | const MDirection direction = dirCol(0); |
---|
| 2929 | const uInt nchan = sCol(0).nelements(); |
---|
| 2930 | |
---|
| 2931 | // skip operations if there is nothing to align |
---|
| 2932 | if (fiter.pastEnd()) { |
---|
| 2933 | continue; |
---|
| 2934 | } |
---|
| 2935 | |
---|
| 2936 | Table ftab = fiter.table(); |
---|
| 2937 | // align all frequency ids with respect to the first encountered id |
---|
| 2938 | ScalarColumn<uInt> freqidCol(ftab, "FREQ_ID"); |
---|
| 2939 | // get the SpectralCoordinate for the freqid, which we are iterating over |
---|
[2818] | 2940 | SpectralCoordinate sC = \ |
---|
| 2941 | in->frequencies().getSpectralCoordinate(freqidCol(0)); |
---|
[1475] | 2942 | FrequencyAligner<Float> fa( sC, nchan, refEpoch, |
---|
| 2943 | direction, refPos, system ); |
---|
| 2944 | // realign the SpectralCoordinate and put into the output Scantable |
---|
| 2945 | Vector<String> units(1); |
---|
| 2946 | units = String("Hz"); |
---|
| 2947 | Bool linear=True; |
---|
| 2948 | SpectralCoordinate sc2 = fa.alignedSpectralCoordinate(linear); |
---|
| 2949 | sc2.setWorldAxisUnits(units); |
---|
| 2950 | const uInt id = out->frequencies().addEntry(sc2.referencePixel()[0], |
---|
| 2951 | sc2.referenceValue()[0], |
---|
| 2952 | sc2.increment()[0]); |
---|
[926] | 2953 | while ( !fiter.pastEnd() ) { |
---|
[2818] | 2954 | |
---|
[1475] | 2955 | ftab = fiter.table(); |
---|
| 2956 | // spectral coordinate for the current FREQ_ID |
---|
| 2957 | ScalarColumn<uInt> freqidCol2(ftab, "FREQ_ID"); |
---|
| 2958 | sC = in->frequencies().getSpectralCoordinate(freqidCol2(0)); |
---|
[926] | 2959 | // create the "global" abcissa for alignment with same FREQ_ID |
---|
| 2960 | Vector<Double> abc(nchan); |
---|
[917] | 2961 | for (uInt i=0; i<nchan; i++) { |
---|
[1475] | 2962 | Double w; |
---|
| 2963 | sC.toWorld(w,Double(i)); |
---|
| 2964 | abc[i] = w; |
---|
[917] | 2965 | } |
---|
[1475] | 2966 | TableVector<uInt> tvec(ftab, "FREQ_ID"); |
---|
| 2967 | // assign new frequency id to all rows |
---|
| 2968 | tvec = id; |
---|
[926] | 2969 | // cache abcissa for same time stamps, so iterate over those |
---|
| 2970 | TableIterator timeiter(ftab, "TIME"); |
---|
| 2971 | while ( !timeiter.pastEnd() ) { |
---|
| 2972 | Table tab = timeiter.table(); |
---|
| 2973 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2974 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 2975 | MEpoch::ROScalarColumn timeCol(tab, "TIME"); |
---|
| 2976 | // use align abcissa cache after the first row |
---|
[1475] | 2977 | // these rows should be just be POLNO |
---|
[926] | 2978 | bool first = true; |
---|
[996] | 2979 | for (int i=0; i<int(tab.nrow()); ++i) { |
---|
[926] | 2980 | // input values |
---|
| 2981 | Vector<uChar> flag = flagCol(i); |
---|
| 2982 | Vector<Bool> mask(flag.shape()); |
---|
| 2983 | Vector<Float> specOut, spec; |
---|
| 2984 | spec = specCol(i); |
---|
| 2985 | Vector<Bool> maskOut;Vector<uChar> flagOut; |
---|
| 2986 | convertArray(mask, flag); |
---|
| 2987 | // alignment |
---|
| 2988 | Bool ok = fa.align(specOut, maskOut, abc, spec, |
---|
| 2989 | mask, timeCol(i), !first, |
---|
| 2990 | interp, False); |
---|
[2429] | 2991 | (void) ok; // unused stop compiler nagging |
---|
[926] | 2992 | // back into scantable |
---|
| 2993 | flagOut.resize(maskOut.nelements()); |
---|
| 2994 | convertArray(flagOut, maskOut); |
---|
| 2995 | flagCol.put(i, flagOut); |
---|
| 2996 | specCol.put(i, specOut); |
---|
| 2997 | // start abcissa caching |
---|
| 2998 | first = false; |
---|
[917] | 2999 | } |
---|
[926] | 3000 | // next timestamp |
---|
| 3001 | ++timeiter; |
---|
[917] | 3002 | } |
---|
[940] | 3003 | // next FREQ_ID |
---|
[926] | 3004 | ++fiter; |
---|
[917] | 3005 | } |
---|
| 3006 | // next aligner |
---|
| 3007 | ++iter; |
---|
| 3008 | } |
---|
[940] | 3009 | // set this afterwards to ensure we are doing insitu correctly. |
---|
| 3010 | out->frequencies().setFrame(system, true); |
---|
[917] | 3011 | return out; |
---|
| 3012 | } |
---|
[992] | 3013 | |
---|
| 3014 | CountedPtr<Scantable> |
---|
| 3015 | asap::STMath::convertPolarisation( const CountedPtr<Scantable>& in, |
---|
| 3016 | const std::string & newtype ) |
---|
| 3017 | { |
---|
| 3018 | if (in->npol() != 2 && in->npol() != 4) |
---|
| 3019 | throw(AipsError("Can only convert two or four polarisations.")); |
---|
| 3020 | if ( in->getPolType() == newtype ) |
---|
| 3021 | throw(AipsError("No need to convert.")); |
---|
[1000] | 3022 | if ( ! in->selector_.empty() ) |
---|
| 3023 | throw(AipsError("Can only convert whole scantable. Unset the selection.")); |
---|
[992] | 3024 | bool insitu = insitu_; |
---|
| 3025 | setInsitu(false); |
---|
| 3026 | CountedPtr< Scantable > out = getScantable(in, true); |
---|
| 3027 | setInsitu(insitu); |
---|
| 3028 | Table& tout = out->table(); |
---|
| 3029 | tout.rwKeywordSet().define("POLTYPE", String(newtype)); |
---|
| 3030 | |
---|
| 3031 | Block<String> cols(4); |
---|
| 3032 | cols[0] = "SCANNO"; |
---|
| 3033 | cols[1] = "CYCLENO"; |
---|
| 3034 | cols[2] = "BEAMNO"; |
---|
| 3035 | cols[3] = "IFNO"; |
---|
| 3036 | TableIterator it(in->originalTable_, cols); |
---|
| 3037 | String basetype = in->getPolType(); |
---|
| 3038 | STPol* stpol = STPol::getPolClass(in->factories_, basetype); |
---|
| 3039 | try { |
---|
| 3040 | while ( !it.pastEnd() ) { |
---|
| 3041 | Table tab = it.table(); |
---|
| 3042 | uInt row = tab.rowNumbers()[0]; |
---|
| 3043 | stpol->setSpectra(in->getPolMatrix(row)); |
---|
[1586] | 3044 | Float fang,fhand; |
---|
| 3045 | fang = in->focusTable_.getTotalAngle(in->mfocusidCol_(row)); |
---|
[992] | 3046 | fhand = in->focusTable_.getFeedHand(in->mfocusidCol_(row)); |
---|
[1586] | 3047 | stpol->setPhaseCorrections(fang, fhand); |
---|
[992] | 3048 | Int npolout = 0; |
---|
| 3049 | for (uInt i=0; i<tab.nrow(); ++i) { |
---|
| 3050 | Vector<Float> outvec = stpol->getSpectrum(i, newtype); |
---|
| 3051 | if ( outvec.nelements() > 0 ) { |
---|
| 3052 | tout.addRow(); |
---|
| 3053 | TableCopy::copyRows(tout, tab, tout.nrow()-1, 0, 1); |
---|
| 3054 | ArrayColumn<Float> sCol(tout,"SPECTRA"); |
---|
| 3055 | ScalarColumn<uInt> pCol(tout,"POLNO"); |
---|
| 3056 | sCol.put(tout.nrow()-1 ,outvec); |
---|
| 3057 | pCol.put(tout.nrow()-1 ,uInt(npolout)); |
---|
| 3058 | npolout++; |
---|
| 3059 | } |
---|
| 3060 | } |
---|
| 3061 | tout.rwKeywordSet().define("nPol", npolout); |
---|
| 3062 | ++it; |
---|
| 3063 | } |
---|
| 3064 | } catch (AipsError& e) { |
---|
| 3065 | delete stpol; |
---|
| 3066 | throw(e); |
---|
| 3067 | } |
---|
| 3068 | delete stpol; |
---|
| 3069 | return out; |
---|
| 3070 | } |
---|
[1066] | 3071 | |
---|
[1143] | 3072 | CountedPtr< Scantable > |
---|
[1140] | 3073 | asap::STMath::mxExtract( const CountedPtr< Scantable > & in, |
---|
| 3074 | const std::string & scantype ) |
---|
| 3075 | { |
---|
| 3076 | bool insitu = insitu_; |
---|
| 3077 | setInsitu(false); |
---|
| 3078 | CountedPtr< Scantable > out = getScantable(in, true); |
---|
| 3079 | setInsitu(insitu); |
---|
| 3080 | Table& tout = out->table(); |
---|
| 3081 | std::string taql = "SELECT FROM $1 WHERE BEAMNO != REFBEAMNO"; |
---|
| 3082 | if (scantype == "on") { |
---|
| 3083 | taql = "SELECT FROM $1 WHERE BEAMNO == REFBEAMNO"; |
---|
| 3084 | } |
---|
| 3085 | Table tab = tableCommand(taql, in->table()); |
---|
| 3086 | TableCopy::copyRows(tout, tab); |
---|
| 3087 | if (scantype == "on") { |
---|
[1143] | 3088 | // re-index SCANNO to 0 |
---|
[1140] | 3089 | TableVector<uInt> vec(tout, "SCANNO"); |
---|
| 3090 | vec = 0; |
---|
| 3091 | } |
---|
| 3092 | return out; |
---|
| 3093 | } |
---|
[1192] | 3094 | |
---|
[2177] | 3095 | std::vector<float> |
---|
| 3096 | asap::STMath::fft( const casa::CountedPtr< Scantable > & in, |
---|
| 3097 | const std::vector<int>& whichrow, |
---|
| 3098 | bool getRealImag ) |
---|
| 3099 | { |
---|
| 3100 | std::vector<float> res; |
---|
| 3101 | Table tab = in->table(); |
---|
[2186] | 3102 | std::vector<bool> mask; |
---|
[2177] | 3103 | |
---|
| 3104 | if (whichrow.size() < 1) { // for all rows (by default) |
---|
| 3105 | int nrow = int(tab.nrow()); |
---|
| 3106 | for (int i = 0; i < nrow; ++i) { |
---|
[2186] | 3107 | res = in->execFFT(i, mask, getRealImag); |
---|
[2177] | 3108 | } |
---|
| 3109 | } else { // for specified rows |
---|
| 3110 | for (uInt i = 0; i < whichrow.size(); ++i) { |
---|
[2186] | 3111 | res = in->execFFT(i, mask, getRealImag); |
---|
[2177] | 3112 | } |
---|
| 3113 | } |
---|
| 3114 | |
---|
| 3115 | return res; |
---|
| 3116 | } |
---|
| 3117 | |
---|
| 3118 | |
---|
| 3119 | CountedPtr<Scantable> |
---|
| 3120 | asap::STMath::lagFlag( const CountedPtr<Scantable>& in, |
---|
[1579] | 3121 | double start, double end, |
---|
[2177] | 3122 | const std::string& mode ) |
---|
[1192] | 3123 | { |
---|
[2177] | 3124 | CountedPtr<Scantable> out = getScantable(in, false); |
---|
[1192] | 3125 | Table& tout = out->table(); |
---|
| 3126 | TableIterator iter(tout, "FREQ_ID"); |
---|
| 3127 | FFTServer<Float,Complex> ffts; |
---|
[2177] | 3128 | |
---|
[1192] | 3129 | while ( !iter.pastEnd() ) { |
---|
| 3130 | Table tab = iter.table(); |
---|
| 3131 | Double rp,rv,inc; |
---|
| 3132 | ROTableRow row(tab); |
---|
| 3133 | const TableRecord& rec = row.get(0); |
---|
| 3134 | uInt freqid = rec.asuInt("FREQ_ID"); |
---|
| 3135 | out->frequencies().getEntry(rp, rv, inc, freqid); |
---|
| 3136 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 3137 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
[2177] | 3138 | |
---|
[1192] | 3139 | for (int i=0; i<int(tab.nrow()); ++i) { |
---|
| 3140 | Vector<Float> spec = specCol(i); |
---|
| 3141 | Vector<uChar> flag = flagCol(i); |
---|
[2186] | 3142 | std::vector<bool> mask; |
---|
| 3143 | for (uInt j = 0; j < flag.nelements(); ++j) { |
---|
| 3144 | mask.push_back(!(flag[j]>0)); |
---|
| 3145 | } |
---|
| 3146 | mathutil::doZeroOrderInterpolation(spec, mask); |
---|
[2177] | 3147 | |
---|
[1192] | 3148 | Vector<Complex> lags; |
---|
[1203] | 3149 | ffts.fft0(lags, spec); |
---|
[2177] | 3150 | |
---|
[1579] | 3151 | Int lag0(start+0.5); |
---|
| 3152 | Int lag1(end+0.5); |
---|
| 3153 | if (mode == "frequency") { |
---|
| 3154 | lag0 = Int(spec.nelements()*abs(inc)/(start)+0.5); |
---|
| 3155 | lag1 = Int(spec.nelements()*abs(inc)/(end)+0.5); |
---|
| 3156 | } |
---|
| 3157 | Int lstart = max(0, lag0); |
---|
[2177] | 3158 | Int lend = min(Int(lags.nelements()-1), lag1); |
---|
[1579] | 3159 | if (lstart == lend) { |
---|
| 3160 | lags[lstart] = Complex(0.0); |
---|
[1192] | 3161 | } else { |
---|
[1579] | 3162 | if (lstart > lend) { |
---|
| 3163 | Int tmp = lend; |
---|
| 3164 | lend = lstart; |
---|
| 3165 | lstart = tmp; |
---|
| 3166 | } |
---|
| 3167 | for (int j=lstart; j <=lend ;++j) { |
---|
[1192] | 3168 | lags[j] = Complex(0.0); |
---|
| 3169 | } |
---|
| 3170 | } |
---|
[2177] | 3171 | |
---|
[1203] | 3172 | ffts.fft0(spec, lags); |
---|
[2177] | 3173 | |
---|
[1192] | 3174 | specCol.put(i, spec); |
---|
| 3175 | } |
---|
| 3176 | ++iter; |
---|
| 3177 | } |
---|
| 3178 | return out; |
---|
| 3179 | } |
---|
[1819] | 3180 | |
---|
| 3181 | // Averaging spectra with different channel/resolution |
---|
| 3182 | CountedPtr<Scantable> |
---|
| 3183 | STMath::new_average( const std::vector<CountedPtr<Scantable> >& in, |
---|
| 3184 | const bool& compel, |
---|
| 3185 | const std::vector<bool>& mask, |
---|
| 3186 | const std::string& weight, |
---|
| 3187 | const std::string& avmode ) |
---|
| 3188 | throw ( casa::AipsError ) |
---|
| 3189 | { |
---|
| 3190 | LogIO os( LogOrigin( "STMath", "new_average()", WHERE ) ) ; |
---|
| 3191 | if ( avmode == "SCAN" && in.size() != 1 ) |
---|
| 3192 | throw(AipsError("Can't perform 'SCAN' averaging on multiple tables.\n" |
---|
| 3193 | "Use merge first.")); |
---|
| 3194 | |
---|
| 3195 | CountedPtr<Scantable> out ; // processed result |
---|
| 3196 | if ( compel ) { |
---|
| 3197 | std::vector< CountedPtr<Scantable> > newin ; // input for average process |
---|
| 3198 | uInt insize = in.size() ; // number of input scantables |
---|
| 3199 | |
---|
[2595] | 3200 | // setup newin |
---|
| 3201 | bool oldInsitu = insitu_ ; |
---|
| 3202 | setInsitu( false ) ; |
---|
| 3203 | newin.resize( insize ) ; |
---|
[1819] | 3204 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
[2595] | 3205 | newin[itable] = getScantable( in[itable], false ) ; |
---|
[1819] | 3206 | } |
---|
[2595] | 3207 | setInsitu( oldInsitu ) ; |
---|
[1819] | 3208 | |
---|
| 3209 | // warning |
---|
| 3210 | os << "Average spectra with different spectral resolution" << LogIO::POST ; |
---|
| 3211 | |
---|
| 3212 | // temporarily set coordinfo |
---|
| 3213 | vector<string> oldinfo( insize ) ; |
---|
| 3214 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3215 | vector<string> coordinfo = in[itable]->getCoordInfo() ; |
---|
| 3216 | oldinfo[itable] = coordinfo[0] ; |
---|
| 3217 | coordinfo[0] = "Hz" ; |
---|
[2595] | 3218 | newin[itable]->setCoordInfo( coordinfo ) ; |
---|
[1819] | 3219 | } |
---|
| 3220 | |
---|
[2595] | 3221 | ostringstream oss ; |
---|
[1819] | 3222 | |
---|
| 3223 | // check IF frequency coverage |
---|
| 3224 | // freqid: list of FREQ_ID, which is used, in each table |
---|
| 3225 | // iffreq: list of minimum and maximum frequency for each FREQ_ID in |
---|
| 3226 | // each table |
---|
| 3227 | // freqid[insize][numIF] |
---|
| 3228 | // freqid: [[id00, id01, ...], |
---|
| 3229 | // [id10, id11, ...], |
---|
| 3230 | // ... |
---|
| 3231 | // [idn0, idn1, ...]] |
---|
| 3232 | // iffreq[insize][numIF*2] |
---|
| 3233 | // iffreq: [[min_id00, max_id00, min_id01, max_id01, ...], |
---|
| 3234 | // [min_id10, max_id10, min_id11, max_id11, ...], |
---|
| 3235 | // ... |
---|
| 3236 | // [min_idn0, max_idn0, min_idn1, max_idn1, ...]] |
---|
| 3237 | //os << "Check IF settings in each table" << LogIO::POST ; |
---|
| 3238 | vector< vector<uInt> > freqid( insize ); |
---|
| 3239 | vector< vector<double> > iffreq( insize ) ; |
---|
| 3240 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
[2595] | 3241 | Vector<uInt> freqIds = newin[itable]->mfreqidCol_.getColumn() ; |
---|
| 3242 | vector<uInt> uniqueFreqId = newin[itable]->getNumbers(newin[itable]->mfreqidCol_) ; |
---|
| 3243 | for ( vector<uInt>::iterator i = uniqueFreqId.begin() ; |
---|
| 3244 | i != uniqueFreqId.end() ; i++ ) { |
---|
| 3245 | //os << "itable = " << itable << ": IF " << id << " is included in the list" << LogIO::POST ; |
---|
| 3246 | uInt target = 0 ; |
---|
| 3247 | while ( freqIds[target] != *i ) |
---|
| 3248 | target++ ; |
---|
| 3249 | vector<double> abcissa = newin[itable]->getAbcissa( target ) ; |
---|
| 3250 | freqid[itable].push_back( *i ) ; |
---|
| 3251 | double incr = abs( abcissa[1] - abcissa[0] ) ; |
---|
| 3252 | iffreq[itable].push_back( (*min_element(abcissa.begin(),abcissa.end()))-0.5*incr ) ; |
---|
| 3253 | iffreq[itable].push_back( (*max_element(abcissa.begin(),abcissa.end()))+0.5*incr ) ; |
---|
[1819] | 3254 | } |
---|
| 3255 | } |
---|
| 3256 | |
---|
| 3257 | // debug |
---|
[2595] | 3258 | // os << "IF settings summary:" << endl ; |
---|
| 3259 | // for ( uInt i = 0 ; i < freqid.size() ; i++ ) { |
---|
| 3260 | // os << " Table" << i << endl ; |
---|
| 3261 | // for ( uInt j = 0 ; j < freqid[i].size() ; j++ ) { |
---|
| 3262 | // os << " id = " << freqid[i][j] << " (min,max) = (" << iffreq[i][2*j] << "," << iffreq[i][2*j+1] << ")" << endl ; |
---|
| 3263 | // } |
---|
| 3264 | // } |
---|
| 3265 | // os << endl ; |
---|
| 3266 | // os.post() ; |
---|
[1819] | 3267 | |
---|
| 3268 | // IF grouping based on their frequency coverage |
---|
[2595] | 3269 | // ifgrp: number of member in each IF group |
---|
| 3270 | // ifgrp[numgrp] |
---|
| 3271 | // ifgrp: [n0, n1, ...] |
---|
[1819] | 3272 | //os << "IF grouping based on their frequency coverage" << LogIO::POST ; |
---|
| 3273 | |
---|
| 3274 | // parameter for IF grouping |
---|
| 3275 | // groupmode = OR retrieve all region |
---|
| 3276 | // AND only retrieve overlaped region |
---|
| 3277 | //string groupmode = "AND" ; |
---|
| 3278 | string groupmode = "OR" ; |
---|
| 3279 | uInt sizecr = 0 ; |
---|
| 3280 | if ( groupmode == "AND" ) |
---|
[2476] | 3281 | sizecr = 1 ; |
---|
[1819] | 3282 | else if ( groupmode == "OR" ) |
---|
| 3283 | sizecr = 0 ; |
---|
| 3284 | |
---|
| 3285 | vector<double> sortedfreq ; |
---|
| 3286 | for ( uInt i = 0 ; i < iffreq.size() ; i++ ) { |
---|
| 3287 | for ( uInt j = 0 ; j < iffreq[i].size() ; j++ ) { |
---|
| 3288 | if ( count( sortedfreq.begin(), sortedfreq.end(), iffreq[i][j] ) == 0 ) |
---|
| 3289 | sortedfreq.push_back( iffreq[i][j] ) ; |
---|
| 3290 | } |
---|
| 3291 | } |
---|
| 3292 | sort( sortedfreq.begin(), sortedfreq.end() ) ; |
---|
[2595] | 3293 | vector<uInt> ifgrp( sortedfreq.size()-1, 0 ) ; |
---|
[1819] | 3294 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3295 | for ( uInt iif = 0 ; iif < freqid[itable].size() ; iif++ ) { |
---|
| 3296 | double range0 = iffreq[itable][2*iif] ; |
---|
| 3297 | double range1 = iffreq[itable][2*iif+1] ; |
---|
[2595] | 3298 | for ( uInt j = 0 ; j < sortedfreq.size()-1 ; j++ ) { |
---|
| 3299 | double fmin = max( range0, sortedfreq[j] ) ; |
---|
| 3300 | double fmax = min( range1, sortedfreq[j+1] ) ; |
---|
| 3301 | if ( fmin < fmax ) { |
---|
| 3302 | ifgrp[j]++ ; |
---|
| 3303 | } |
---|
| 3304 | } |
---|
[1819] | 3305 | } |
---|
| 3306 | } |
---|
| 3307 | |
---|
| 3308 | // Grouping continuous IF groups (without frequency gap) |
---|
| 3309 | // freqgrp: list of IF group indexes in each frequency group |
---|
| 3310 | // freqgrp[numgrp][nummember] |
---|
| 3311 | // freqgrp: [[ifgrp00, ifgrp01, ifgrp02, ...], |
---|
| 3312 | // [ifgrp10, ifgrp11, ifgrp12, ...], |
---|
| 3313 | // ... |
---|
| 3314 | // [ifgrpn0, ifgrpn1, ifgrpn2, ...]] |
---|
[2595] | 3315 | // grprange[2*numgrp] |
---|
| 3316 | // grprange: [fmin0,fmax0,fmin1,fmax1,...] |
---|
[1819] | 3317 | vector< vector<uInt> > freqgrp ; |
---|
[2595] | 3318 | vector<double> grprange ; |
---|
| 3319 | vector<uInt> grpedge ; |
---|
| 3320 | for ( uInt igrp = 0 ; igrp < ifgrp.size() ; igrp++ ) { |
---|
| 3321 | if ( ifgrp[igrp] <= sizecr ) { |
---|
| 3322 | grpedge.push_back( igrp ) ; |
---|
[1819] | 3323 | } |
---|
[2595] | 3324 | } |
---|
| 3325 | grpedge.push_back( ifgrp.size() ) ; |
---|
| 3326 | uInt itmp = 0 ; |
---|
| 3327 | for ( uInt i = 0 ; i < grpedge.size() ; i++ ) { |
---|
| 3328 | int n = grpedge[i] - itmp ; |
---|
| 3329 | if ( n > 0 ) { |
---|
| 3330 | vector<uInt> members( n ) ; |
---|
| 3331 | for ( int j = 0 ; j < n ; j++ ) { |
---|
| 3332 | members[j] = itmp+j ; |
---|
| 3333 | } |
---|
| 3334 | freqgrp.push_back( members ) ; |
---|
| 3335 | grprange.push_back( sortedfreq[itmp] ) ; |
---|
| 3336 | grprange.push_back( sortedfreq[grpedge[i]] ) ; |
---|
[1819] | 3337 | } |
---|
[2595] | 3338 | itmp += n + 1 ; |
---|
[1819] | 3339 | } |
---|
| 3340 | |
---|
| 3341 | // print frequency group |
---|
| 3342 | oss.str("") ; |
---|
| 3343 | oss << "Frequency Group summary: " << endl ; |
---|
[2595] | 3344 | oss << " GROUP_ID: [FREQ_MIN, FREQ_MAX]" << endl ; |
---|
[1819] | 3345 | for ( uInt i = 0 ; i < freqgrp.size() ; i++ ) { |
---|
[2595] | 3346 | oss << " GROUP " << setw( 2 ) << i << ": [" << grprange[2*i] << "," << grprange[2*i+1] << "]" ; |
---|
[1819] | 3347 | oss << endl ; |
---|
| 3348 | } |
---|
| 3349 | oss << endl ; |
---|
| 3350 | os << oss.str() << LogIO::POST ; |
---|
| 3351 | |
---|
[2595] | 3352 | // groups: list of frequency group index whose frequency range overlaps |
---|
| 3353 | // with that of each table and IF |
---|
| 3354 | // groups[numtable][numIF] |
---|
| 3355 | // groups: [[grpx, grpy,...], |
---|
| 3356 | // [grpa, grpb,...], |
---|
[1819] | 3357 | // ... |
---|
[2595] | 3358 | // [grpk, grpm,...]] |
---|
| 3359 | vector< vector<uInt> > groups( insize ) ; |
---|
[1819] | 3360 | for ( uInt i = 0 ; i < insize ; i++ ) { |
---|
| 3361 | groups[i].resize( freqid[i].size() ) ; |
---|
| 3362 | } |
---|
[2595] | 3363 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3364 | for ( uInt ifreq = 0 ; ifreq < freqid[itable].size() ; ifreq++ ) { |
---|
| 3365 | double minf = iffreq[itable][2*ifreq] ; |
---|
| 3366 | uInt groupid ; |
---|
| 3367 | for ( uInt igrp = 0 ; igrp < freqgrp.size() ; igrp++ ) { |
---|
| 3368 | vector<uInt> memberlist = freqgrp[igrp] ; |
---|
| 3369 | if ( (minf >= grprange[2*igrp]) && (minf <= grprange[2*igrp+1]) ) { |
---|
| 3370 | groupid = igrp ; |
---|
| 3371 | break ; |
---|
| 3372 | } |
---|
| 3373 | } |
---|
| 3374 | groups[itable][ifreq] = groupid ; |
---|
[1819] | 3375 | } |
---|
| 3376 | } |
---|
[2595] | 3377 | |
---|
[1819] | 3378 | |
---|
| 3379 | // print membership |
---|
[2595] | 3380 | oss.str("") ; |
---|
[1819] | 3381 | for ( uInt i = 0 ; i < insize ; i++ ) { |
---|
[2595] | 3382 | oss << "Table " << i << endl ; |
---|
| 3383 | for ( uInt j = 0 ; j < groups[i].size() ; j++ ) { |
---|
| 3384 | oss << " FREQ_ID " << setw( 2 ) << freqid[i][j] << ": " ; |
---|
| 3385 | oss << setw( 2 ) << groups[i][j] ; |
---|
| 3386 | oss << endl ; |
---|
[1819] | 3387 | } |
---|
| 3388 | } |
---|
[2595] | 3389 | os << oss.str() << LogIO::POST ; |
---|
[1819] | 3390 | |
---|
| 3391 | // reset SCANNO and IFNO/FREQ_ID: IF is reset by the result of sortation |
---|
| 3392 | //os << "All IF number is set to IF group index" << LogIO::POST ; |
---|
[2479] | 3393 | // reset SCANNO only when avmode != "SCAN" |
---|
| 3394 | if ( avmode != "SCAN" ) { |
---|
| 3395 | os << "All scan number is set to 0" << LogIO::POST ; |
---|
| 3396 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3397 | uInt nrow = newin[itable]->nrow() ; |
---|
[2595] | 3398 | Vector<uInt> resetScan( nrow, 0 ) ; |
---|
| 3399 | newin[itable]->scanCol_.putColumn( resetScan ) ; |
---|
[2479] | 3400 | } |
---|
| 3401 | } |
---|
[2595] | 3402 | |
---|
| 3403 | // reset spectra and flagtra: align spectral resolution |
---|
| 3404 | //os << "Align spectral resolution" << LogIO::POST ; |
---|
| 3405 | // gmaxdnu: the coarsest frequency resolution in the frequency group |
---|
| 3406 | // gminfreq: lower frequency edge of the frequency group |
---|
| 3407 | // gnchan: number of channels for the frequency group |
---|
| 3408 | vector<double> gmaxdnu( freqgrp.size(), 0.0 ) ; |
---|
| 3409 | vector<double> gminfreq( freqgrp.size() ) ; |
---|
| 3410 | vector<double> gnchan( freqgrp.size() ) ; |
---|
| 3411 | for ( uInt i = 0 ; i < insize ; i++ ) { |
---|
| 3412 | vector<uInt> members = groups[i] ; |
---|
| 3413 | for ( uInt j = 0 ; j < members.size() ; j++ ) { |
---|
| 3414 | uInt groupid = members[j] ; |
---|
| 3415 | Double rp,rv,ic ; |
---|
| 3416 | newin[i]->frequencies().getEntry( rp, rv, ic, j ) ; |
---|
| 3417 | if ( abs(ic) > abs(gmaxdnu[groupid]) ) |
---|
| 3418 | gmaxdnu[groupid] = ic ; |
---|
[1819] | 3419 | } |
---|
| 3420 | } |
---|
[2595] | 3421 | for ( uInt igrp = 0 ; igrp < freqgrp.size() ; igrp++ ) { |
---|
| 3422 | gminfreq[igrp] = grprange[2*igrp] ; |
---|
| 3423 | double maxfreq = grprange[2*igrp+1] ; |
---|
| 3424 | gnchan[igrp] = (int)(abs((maxfreq-gminfreq[igrp])/gmaxdnu[igrp])+0.9) ; |
---|
[1819] | 3425 | } |
---|
[2595] | 3426 | |
---|
| 3427 | // regrid spectral data and update frequency info |
---|
[1819] | 3428 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
[2595] | 3429 | Vector<uInt> oldFreqId = newin[itable]->mfreqidCol_.getColumn() ; |
---|
| 3430 | Vector<uInt> newFreqId( oldFreqId.nelements() ) ; |
---|
[1819] | 3431 | |
---|
[2595] | 3432 | // update MAIN |
---|
| 3433 | for ( uInt irow = 0 ; irow < newin[itable]->nrow() ; irow++ ) { |
---|
| 3434 | uInt groupid = groups[itable][oldFreqId[irow]] ; |
---|
| 3435 | newFreqId[irow] = groupid ; |
---|
| 3436 | newin[itable]->regridChannel( gnchan[groupid], |
---|
| 3437 | gmaxdnu[groupid], |
---|
| 3438 | gminfreq[groupid], |
---|
| 3439 | irow ) ; |
---|
[1819] | 3440 | } |
---|
[2595] | 3441 | newin[itable]->mfreqidCol_.putColumn( newFreqId ) ; |
---|
| 3442 | newin[itable]->ifCol_.putColumn( newFreqId ) ; |
---|
[1819] | 3443 | |
---|
[2595] | 3444 | // update FREQUENCIES |
---|
| 3445 | Table tab = newin[itable]->frequencies().table() ; |
---|
| 3446 | ScalarColumn<uInt> fIdCol( tab, "ID" ) ; |
---|
| 3447 | ScalarColumn<Double> fRefPixCol( tab, "REFPIX" ) ; |
---|
| 3448 | ScalarColumn<Double> fRefValCol( tab, "REFVAL" ) ; |
---|
| 3449 | ScalarColumn<Double> fIncrCol( tab, "INCREMENT" ) ; |
---|
| 3450 | if ( freqgrp.size() > tab.nrow() ) { |
---|
| 3451 | tab.addRow( freqgrp.size()-tab.nrow() ) ; |
---|
[1819] | 3452 | } |
---|
[2595] | 3453 | for ( uInt irow = 0 ; irow < freqgrp.size() ; irow++ ) { |
---|
| 3454 | Double refval = gminfreq[irow] + 0.5 * abs(gmaxdnu[irow]) ; |
---|
| 3455 | Double refpix = (gmaxdnu[irow] > 0.0) ? 0 : gnchan[irow]-1 ; |
---|
| 3456 | Double increment = gmaxdnu[irow] ; |
---|
| 3457 | fIdCol.put( irow, irow ) ; |
---|
| 3458 | fRefPixCol.put( irow, refpix ) ; |
---|
| 3459 | fRefValCol.put( irow, refval ) ; |
---|
| 3460 | fIncrCol.put( irow, increment ) ; |
---|
[1819] | 3461 | } |
---|
| 3462 | } |
---|
| 3463 | |
---|
| 3464 | // set back coordinfo |
---|
| 3465 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3466 | vector<string> coordinfo = newin[itable]->getCoordInfo() ; |
---|
| 3467 | coordinfo[0] = oldinfo[itable] ; |
---|
| 3468 | newin[itable]->setCoordInfo( coordinfo ) ; |
---|
[2595] | 3469 | } |
---|
[1819] | 3470 | |
---|
| 3471 | // average |
---|
[2595] | 3472 | out = average( newin, mask, weight, avmode ) ; |
---|
[1819] | 3473 | } |
---|
| 3474 | else { |
---|
| 3475 | // simple average |
---|
| 3476 | out = average( in, mask, weight, avmode ) ; |
---|
| 3477 | } |
---|
| 3478 | |
---|
[2345] | 3479 | return out; |
---|
[1819] | 3480 | } |
---|
| 3481 | |
---|
| 3482 | CountedPtr<Scantable> STMath::cwcal( const CountedPtr<Scantable>& s, |
---|
| 3483 | const String calmode, |
---|
| 3484 | const String antname ) |
---|
| 3485 | { |
---|
| 3486 | // frequency switch |
---|
| 3487 | if ( calmode == "fs" ) { |
---|
| 3488 | return cwcalfs( s, antname ) ; |
---|
| 3489 | } |
---|
| 3490 | else { |
---|
| 3491 | vector<bool> masks = s->getMask( 0 ) ; |
---|
| 3492 | vector<int> types ; |
---|
| 3493 | |
---|
[2580] | 3494 | // save original table selection |
---|
| 3495 | Table torg = s->table_ ; |
---|
| 3496 | |
---|
[1819] | 3497 | // sky scan |
---|
[2580] | 3498 | bool insitu = insitu_ ; |
---|
| 3499 | insitu_ = false ; |
---|
| 3500 | // share calibration scans before average with out |
---|
| 3501 | CountedPtr<Scantable> out = getScantable( s, true ) ; |
---|
| 3502 | insitu_ = insitu ; |
---|
| 3503 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::SKY ) ; |
---|
| 3504 | out->attach() ; |
---|
| 3505 | CountedPtr<Scantable> asky = averageWithinSession( out, |
---|
| 3506 | masks, |
---|
| 3507 | "TINT" ) ; |
---|
[1819] | 3508 | // hot scan |
---|
[2580] | 3509 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::HOT ) ; |
---|
| 3510 | out->attach() ; |
---|
| 3511 | CountedPtr<Scantable> ahot = averageWithinSession( out, |
---|
| 3512 | masks, |
---|
| 3513 | "TINT" ) ; |
---|
[1819] | 3514 | // cold scan |
---|
| 3515 | CountedPtr<Scantable> acold ; |
---|
[2580] | 3516 | // out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::COLD ) ; |
---|
| 3517 | // out->attach() ; |
---|
| 3518 | // CountedPtr<Scantable> acold = averageWithinSession( out, |
---|
| 3519 | // masks, |
---|
| 3520 | // "TINT" ) ; |
---|
[1819] | 3521 | |
---|
| 3522 | // off scan |
---|
[2580] | 3523 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSOFF ) ; |
---|
| 3524 | out->attach() ; |
---|
| 3525 | CountedPtr<Scantable> aoff = averageWithinSession( out, |
---|
| 3526 | masks, |
---|
| 3527 | "TINT" ) ; |
---|
[1819] | 3528 | |
---|
| 3529 | // on scan |
---|
[2580] | 3530 | s->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSON ) ; |
---|
| 3531 | s->attach() ; |
---|
| 3532 | out->table_ = out->originalTable_ ; |
---|
| 3533 | out->attach() ; |
---|
| 3534 | out->table().addRow( s->nrow() ) ; |
---|
| 3535 | copyRows( out->table(), s->table(), 0, 0, s->nrow(), False, True, False ) ; |
---|
[1819] | 3536 | |
---|
[2920] | 3537 | // iterate throgh STIdxIter2 |
---|
[2919] | 3538 | ChopperWheelCalibrator cal(out, s, aoff, asky, ahot, acold); |
---|
[2920] | 3539 | STIdxIter2::Iterate<ChopperWheelCalibrator>(cal, "BEAMNO,POLNO,IFNO"); |
---|
[2919] | 3540 | |
---|
[2580] | 3541 | s->table_ = torg ; |
---|
| 3542 | s->attach() ; |
---|
[1819] | 3543 | |
---|
| 3544 | // flux unit |
---|
| 3545 | out->setFluxUnit( "K" ) ; |
---|
| 3546 | |
---|
| 3547 | return out ; |
---|
| 3548 | } |
---|
| 3549 | } |
---|
| 3550 | |
---|
| 3551 | CountedPtr<Scantable> STMath::almacal( const CountedPtr<Scantable>& s, |
---|
| 3552 | const String calmode ) |
---|
| 3553 | { |
---|
| 3554 | // frequency switch |
---|
| 3555 | if ( calmode == "fs" ) { |
---|
| 3556 | return almacalfs( s ) ; |
---|
| 3557 | } |
---|
| 3558 | else { |
---|
[2580] | 3559 | // double t0, t1 ; |
---|
| 3560 | // t0 = mathutil::gettimeofday_sec() ; |
---|
[1819] | 3561 | vector<bool> masks = s->getMask( 0 ) ; |
---|
[2580] | 3562 | |
---|
| 3563 | // save original table selection |
---|
| 3564 | Table torg = s->table_ ; |
---|
| 3565 | |
---|
[1819] | 3566 | // off scan |
---|
| 3567 | // TODO 2010/01/08 TN |
---|
| 3568 | // Grouping by time should be needed before averaging. |
---|
| 3569 | // Each group must have own unique SCANNO (should be renumbered). |
---|
| 3570 | // See PIPELINE/SDCalibration.py |
---|
| 3571 | bool insitu = insitu_ ; |
---|
| 3572 | insitu_ = false ; |
---|
[2580] | 3573 | // share off scan before average with out |
---|
[1819] | 3574 | CountedPtr<Scantable> out = getScantable( s, true ) ; |
---|
[2580] | 3575 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSOFF ) ; |
---|
| 3576 | out->attach() ; |
---|
[1819] | 3577 | insitu_ = insitu ; |
---|
[2580] | 3578 | CountedPtr<Scantable> aoff = averageWithinSession( out, |
---|
| 3579 | masks, |
---|
| 3580 | "TINT" ) ; |
---|
| 3581 | |
---|
| 3582 | // on scan |
---|
| 3583 | // t0 = mathutil::gettimeofday_sec() ; |
---|
| 3584 | s->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSON ) ; |
---|
| 3585 | s->attach() ; |
---|
| 3586 | out->table_ = out->originalTable_ ; |
---|
| 3587 | out->attach() ; |
---|
| 3588 | out->table().addRow( s->nrow() ) ; |
---|
| 3589 | copyRows( out->table(), s->table(), 0, 0, s->nrow(), False ) ; |
---|
| 3590 | // t1 = mathutil::gettimeofday_sec() ; |
---|
| 3591 | // cout << "elapsed time for preparing output table: " << t1-t0 << " sec" << endl ; |
---|
| 3592 | |
---|
[1819] | 3593 | // process each on scan |
---|
[2580] | 3594 | // t0 = mathutil::gettimeofday_sec() ; |
---|
| 3595 | |
---|
[2920] | 3596 | // iterate throgh STIdxIter2 |
---|
[2919] | 3597 | AlmaCalibrator cal(out, s, aoff); |
---|
[2920] | 3598 | STIdxIter2::Iterate<AlmaCalibrator>(cal, "BEAMNO,POLNO,IFNO"); |
---|
[2919] | 3599 | |
---|
| 3600 | // finalize |
---|
[2580] | 3601 | s->table_ = torg ; |
---|
| 3602 | s->attach() ; |
---|
[1819] | 3603 | |
---|
[2580] | 3604 | // t1 = mathutil::gettimeofday_sec() ; |
---|
| 3605 | // cout << "elapsed time for calibration: " << t1-t0 << " sec" << endl ; |
---|
| 3606 | |
---|
[1819] | 3607 | // flux unit |
---|
| 3608 | out->setFluxUnit( "K" ) ; |
---|
| 3609 | |
---|
| 3610 | return out ; |
---|
| 3611 | } |
---|
| 3612 | } |
---|
| 3613 | |
---|
| 3614 | CountedPtr<Scantable> STMath::cwcalfs( const CountedPtr<Scantable>& s, |
---|
| 3615 | const String antname ) |
---|
| 3616 | { |
---|
| 3617 | vector<int> types ; |
---|
| 3618 | |
---|
| 3619 | // APEX calibration mode |
---|
| 3620 | int apexcalmode = 1 ; |
---|
| 3621 | |
---|
| 3622 | if ( antname.find( "APEX" ) != string::npos ) { |
---|
| 3623 | // check if off scan exists or not |
---|
| 3624 | STSelector sel = STSelector() ; |
---|
| 3625 | //sel.setName( offstr1 ) ; |
---|
| 3626 | types.push_back( SrcType::FLOOFF ) ; |
---|
| 3627 | sel.setTypes( types ) ; |
---|
| 3628 | try { |
---|
| 3629 | s->setSelection( sel ) ; |
---|
| 3630 | } |
---|
| 3631 | catch ( AipsError &e ) { |
---|
| 3632 | apexcalmode = 0 ; |
---|
| 3633 | } |
---|
| 3634 | sel.reset() ; |
---|
| 3635 | } |
---|
| 3636 | s->unsetSelection() ; |
---|
| 3637 | types.clear() ; |
---|
| 3638 | |
---|
| 3639 | vector<bool> masks = s->getMask( 0 ) ; |
---|
| 3640 | CountedPtr<Scantable> ssig, sref ; |
---|
[2580] | 3641 | //CountedPtr<Scantable> out ; |
---|
| 3642 | bool insitu = insitu_ ; |
---|
| 3643 | insitu_ = False ; |
---|
| 3644 | CountedPtr<Scantable> out = getScantable( s, true ) ; |
---|
| 3645 | insitu_ = insitu ; |
---|
[1819] | 3646 | |
---|
| 3647 | if ( antname.find( "APEX" ) != string::npos ) { |
---|
| 3648 | // APEX calibration |
---|
| 3649 | // sky scan |
---|
[2580] | 3650 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FLOSKY ) ; |
---|
| 3651 | out->attach() ; |
---|
| 3652 | CountedPtr<Scantable> askylo = averageWithinSession( out, |
---|
| 3653 | masks, |
---|
| 3654 | "TINT" ) ; |
---|
| 3655 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FHISKY ) ; |
---|
| 3656 | out->attach() ; |
---|
| 3657 | CountedPtr<Scantable> askyhi = averageWithinSession( out, |
---|
| 3658 | masks, |
---|
| 3659 | "TINT" ) ; |
---|
[1819] | 3660 | |
---|
| 3661 | // hot scan |
---|
[2580] | 3662 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FLOHOT ) ; |
---|
| 3663 | out->attach() ; |
---|
| 3664 | CountedPtr<Scantable> ahotlo = averageWithinSession( out, |
---|
| 3665 | masks, |
---|
| 3666 | "TINT" ) ; |
---|
| 3667 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FHIHOT ) ; |
---|
| 3668 | out->attach() ; |
---|
| 3669 | CountedPtr<Scantable> ahothi = averageWithinSession( out, |
---|
| 3670 | masks, |
---|
| 3671 | "TINT" ) ; |
---|
[1819] | 3672 | |
---|
| 3673 | // cold scan |
---|
| 3674 | CountedPtr<Scantable> acoldlo, acoldhi ; |
---|
[2580] | 3675 | // out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FLOCOLD ) ; |
---|
| 3676 | // out->attach() ; |
---|
| 3677 | // CountedPtr<Scantable> acoldlo = averageWithinSession( out, |
---|
| 3678 | // masks, |
---|
| 3679 | // "TINT" ) ; |
---|
| 3680 | // out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FHICOLD ) ; |
---|
| 3681 | // out->attach() ; |
---|
| 3682 | // CountedPtr<Scantable> acoldhi = averageWithinSession( out, |
---|
| 3683 | // masks, |
---|
| 3684 | // "TINT" ) ; |
---|
[1819] | 3685 | |
---|
| 3686 | // ref scan |
---|
| 3687 | insitu_ = false ; |
---|
| 3688 | sref = getScantable( s, true ) ; |
---|
[2580] | 3689 | CountedPtr<Scantable> rref = getScantable( s, true ) ; |
---|
[1819] | 3690 | insitu_ = insitu ; |
---|
[2580] | 3691 | rref->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FSLO ) ; |
---|
| 3692 | rref->attach() ; |
---|
| 3693 | copyRows( sref->table_, rref->table_, 0, 0, rref->nrow(), False, True, False ) ; |
---|
[1819] | 3694 | |
---|
| 3695 | // sig scan |
---|
| 3696 | insitu_ = false ; |
---|
| 3697 | ssig = getScantable( s, true ) ; |
---|
[2580] | 3698 | CountedPtr<Scantable> rsig = getScantable( s, true ) ; |
---|
[1819] | 3699 | insitu_ = insitu ; |
---|
[2580] | 3700 | rsig->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FSHI ) ; |
---|
| 3701 | rsig->attach() ; |
---|
| 3702 | copyRows( ssig->table_, rsig->table_, 0, 0, rsig->nrow(), False, True, False ) ; |
---|
[1819] | 3703 | |
---|
| 3704 | if ( apexcalmode == 0 ) { |
---|
[2916] | 3705 | // using STIdxIter2 |
---|
[2580] | 3706 | vector<string> cols( 3 ) ; |
---|
| 3707 | cols[0] = "BEAMNO" ; |
---|
| 3708 | cols[1] = "POLNO" ; |
---|
| 3709 | cols[2] = "IFNO" ; |
---|
[2916] | 3710 | STIdxIter2 iter(ssig, cols) ; |
---|
[2580] | 3711 | STSelector sel ; |
---|
| 3712 | vector< CountedPtr<Scantable> > on( 2 ) ; |
---|
| 3713 | on[0] = rsig ; |
---|
| 3714 | on[1] = rref ; |
---|
| 3715 | vector< CountedPtr<Scantable> > sky( 2 ) ; |
---|
| 3716 | sky[0] = askylo ; |
---|
| 3717 | sky[1] = askyhi ; |
---|
| 3718 | vector< CountedPtr<Scantable> > hot( 2 ) ; |
---|
| 3719 | hot[0] = ahotlo ; |
---|
| 3720 | hot[1] = ahothi ; |
---|
| 3721 | vector< CountedPtr<Scantable> > cold( 2 ) ; |
---|
[2916] | 3722 | while ( !iter.pastEnd() ) { |
---|
| 3723 | Record ids = iter.currentValue() ; |
---|
[2580] | 3724 | stringstream ss ; |
---|
| 3725 | ss << "SELECT FROM $1 WHERE " |
---|
[2916] | 3726 | << "BEAMNO==" << ids.asuInt("BEAMNO") << "&&" |
---|
| 3727 | << "POLNO==" << ids.asuInt("POLNO") << "&&" |
---|
| 3728 | << "IFNO==" << ids.asuInt("IFNO") ; |
---|
[2580] | 3729 | //cout << "TaQL string: " << ss.str() << endl ; |
---|
| 3730 | sel.setTaQL( ss.str() ) ; |
---|
| 3731 | sky[0]->setSelection( sel ) ; |
---|
| 3732 | sky[1]->setSelection( sel ) ; |
---|
| 3733 | hot[0]->setSelection( sel ) ; |
---|
| 3734 | hot[1]->setSelection( sel ) ; |
---|
[2916] | 3735 | Vector<uInt> rows = iter.getRows( SHARE ) ; |
---|
[2580] | 3736 | calibrateAPEXFS( ssig, sref, on, sky, hot, cold, rows ) ; |
---|
| 3737 | sky[0]->unsetSelection() ; |
---|
| 3738 | sky[1]->unsetSelection() ; |
---|
| 3739 | hot[0]->unsetSelection() ; |
---|
| 3740 | hot[1]->unsetSelection() ; |
---|
[1819] | 3741 | sel.reset() ; |
---|
[2916] | 3742 | iter.next() ; |
---|
[1819] | 3743 | } |
---|
[2580] | 3744 | |
---|
[1819] | 3745 | } |
---|
| 3746 | else if ( apexcalmode == 1 ) { |
---|
| 3747 | // APEX fs data with off scan |
---|
| 3748 | // off scan |
---|
[2580] | 3749 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FLOOFF ) ; |
---|
| 3750 | out->attach() ; |
---|
| 3751 | CountedPtr<Scantable> aofflo = averageWithinSession( out, |
---|
| 3752 | masks, |
---|
| 3753 | "TINT" ) ; |
---|
| 3754 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FHIOFF ) ; |
---|
| 3755 | out->attach() ; |
---|
| 3756 | CountedPtr<Scantable> aoffhi = averageWithinSession( out, |
---|
| 3757 | masks, |
---|
| 3758 | "TINT" ) ; |
---|
[1819] | 3759 | |
---|
| 3760 | // process each sig and ref scan |
---|
[2920] | 3761 | // iterate throgh STIdxIter2 |
---|
[2919] | 3762 | ChopperWheelCalibrator cal_sig(ssig, rsig, aofflo, askylo, ahotlo, acoldlo); |
---|
[2920] | 3763 | STIdxIter2::Iterate<ChopperWheelCalibrator>(cal_sig, "BEAMNO,POLNO,IFNO"); |
---|
[2919] | 3764 | ChopperWheelCalibrator cal_ref(sref, rref, aoffhi, askyhi, ahothi, acoldhi); |
---|
[2920] | 3765 | STIdxIter2::Iterate<ChopperWheelCalibrator>(cal_ref, "BEAMNO,POLNO,IFNO"); |
---|
[1819] | 3766 | } |
---|
| 3767 | } |
---|
| 3768 | else { |
---|
| 3769 | // non-APEX fs data |
---|
| 3770 | // sky scan |
---|
[2580] | 3771 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::SKY ) ; |
---|
| 3772 | out->attach() ; |
---|
| 3773 | CountedPtr<Scantable> asky = averageWithinSession( out, |
---|
| 3774 | masks, |
---|
| 3775 | "TINT" ) ; |
---|
[1819] | 3776 | STSelector sel = STSelector() ; |
---|
[2580] | 3777 | |
---|
[1819] | 3778 | // hot scan |
---|
[2580] | 3779 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::HOT ) ; |
---|
| 3780 | out->attach() ; |
---|
| 3781 | CountedPtr<Scantable> ahot = averageWithinSession( out, |
---|
| 3782 | masks, |
---|
| 3783 | "TINT" ) ; |
---|
[1819] | 3784 | |
---|
| 3785 | // cold scan |
---|
| 3786 | CountedPtr<Scantable> acold ; |
---|
[2580] | 3787 | // out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::COLD ) ; |
---|
| 3788 | // out->attach() ; |
---|
| 3789 | // CountedPtr<Scantable> acold = averageWithinSession( out, |
---|
| 3790 | // masks, |
---|
| 3791 | // "TINT" ) ; |
---|
[1819] | 3792 | |
---|
| 3793 | // ref scan |
---|
| 3794 | bool insitu = insitu_ ; |
---|
| 3795 | insitu_ = false ; |
---|
| 3796 | sref = getScantable( s, true ) ; |
---|
[2580] | 3797 | CountedPtr<Scantable> rref = getScantable( s, true ) ; |
---|
[1819] | 3798 | insitu_ = insitu ; |
---|
[2580] | 3799 | rref->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSOFF ) ; |
---|
| 3800 | rref->attach() ; |
---|
| 3801 | copyRows( sref->table_, rref->table_, 0, 0, rref->nrow(), False, True, False ) ; |
---|
[1819] | 3802 | |
---|
| 3803 | // sig scan |
---|
| 3804 | insitu_ = false ; |
---|
| 3805 | ssig = getScantable( s, true ) ; |
---|
[2580] | 3806 | CountedPtr<Scantable> rsig = getScantable( s, true ) ; |
---|
[1819] | 3807 | insitu_ = insitu ; |
---|
[2580] | 3808 | rsig->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSON ) ; |
---|
| 3809 | rsig->attach() ; |
---|
| 3810 | copyRows( ssig->table_, rsig->table_, 0, 0, rsig->nrow(), False, True, False ) ; |
---|
[1819] | 3811 | |
---|
| 3812 | // process each sig and ref scan |
---|
[2580] | 3813 | vector<string> cols( 3 ) ; |
---|
| 3814 | cols[0] = "BEAMNO" ; |
---|
| 3815 | cols[1] = "POLNO" ; |
---|
| 3816 | cols[2] = "IFNO" ; |
---|
[2916] | 3817 | STIdxIter2 iter(ssig, cols); |
---|
| 3818 | while ( !iter.pastEnd() ) { |
---|
| 3819 | Record ids = iter.currentValue() ; |
---|
[2580] | 3820 | stringstream ss ; |
---|
| 3821 | ss << "SELECT FROM $1 WHERE " |
---|
[2916] | 3822 | << "BEAMNO==" << ids.asuInt("BEAMNO") << "&&" |
---|
| 3823 | << "POLNO==" << ids.asuInt("POLNO") << "&&" |
---|
| 3824 | << "IFNO==" << ids.asuInt("IFNO") ; |
---|
[2580] | 3825 | //cout << "TaQL string: " << ss.str() << endl ; |
---|
| 3826 | sel.setTaQL( ss.str() ) ; |
---|
| 3827 | ahot->setSelection( sel ) ; |
---|
[1819] | 3828 | asky->setSelection( sel ) ; |
---|
[2916] | 3829 | Vector<uInt> rows = iter.getRows( SHARE ) ; |
---|
[2580] | 3830 | // out should be an exact copy of s except that SPECTRA column is empty |
---|
| 3831 | calibrateFS( ssig, sref, rsig, rref, asky, ahot, acold, rows ) ; |
---|
| 3832 | ahot->unsetSelection() ; |
---|
[1819] | 3833 | asky->unsetSelection() ; |
---|
| 3834 | sel.reset() ; |
---|
[2916] | 3835 | iter.next() ; |
---|
[1819] | 3836 | } |
---|
| 3837 | } |
---|
| 3838 | |
---|
| 3839 | // do folding if necessary |
---|
| 3840 | Table sigtab = ssig->table() ; |
---|
| 3841 | Table reftab = sref->table() ; |
---|
| 3842 | ScalarColumn<uInt> reffidCol ; |
---|
| 3843 | Int nchan = (Int)ssig->nchan() ; |
---|
| 3844 | reffidCol.attach( reftab, "FREQ_ID" ) ; |
---|
[2580] | 3845 | Vector<uInt> sfids = ssig->mfreqidCol_.getColumn() ; |
---|
| 3846 | Vector<uInt> rfids = sref->mfreqidCol_.getColumn() ; |
---|
[1819] | 3847 | vector<uInt> sfids_unique ; |
---|
| 3848 | vector<uInt> rfids_unique ; |
---|
| 3849 | vector<uInt> sifno_unique ; |
---|
| 3850 | vector<uInt> rifno_unique ; |
---|
| 3851 | for ( uInt i = 0 ; i < sfids.nelements() ; i++ ) { |
---|
| 3852 | if ( count( sfids_unique.begin(), sfids_unique.end(), sfids[i] ) == 0 ) { |
---|
| 3853 | sfids_unique.push_back( sfids[i] ) ; |
---|
| 3854 | sifno_unique.push_back( ssig->getIF( i ) ) ; |
---|
| 3855 | } |
---|
| 3856 | if ( count( rfids_unique.begin(), rfids_unique.end(), rfids[i] ) == 0 ) { |
---|
| 3857 | rfids_unique.push_back( rfids[i] ) ; |
---|
| 3858 | rifno_unique.push_back( sref->getIF( i ) ) ; |
---|
| 3859 | } |
---|
| 3860 | } |
---|
| 3861 | double refpix_sig, refval_sig, increment_sig ; |
---|
| 3862 | double refpix_ref, refval_ref, increment_ref ; |
---|
| 3863 | vector< CountedPtr<Scantable> > tmp( sfids_unique.size() ) ; |
---|
| 3864 | for ( uInt i = 0 ; i < sfids_unique.size() ; i++ ) { |
---|
| 3865 | ssig->frequencies().getEntry( refpix_sig, refval_sig, increment_sig, sfids_unique[i] ) ; |
---|
| 3866 | sref->frequencies().getEntry( refpix_ref, refval_ref, increment_ref, rfids_unique[i] ) ; |
---|
| 3867 | if ( refpix_sig == refpix_ref ) { |
---|
| 3868 | double foffset = refval_ref - refval_sig ; |
---|
| 3869 | int choffset = static_cast<int>(foffset/increment_sig) ; |
---|
| 3870 | double doffset = foffset / increment_sig ; |
---|
| 3871 | if ( abs(choffset) >= nchan ) { |
---|
| 3872 | LogIO os( LogOrigin( "STMath", "cwcalfs", WHERE ) ) ; |
---|
| 3873 | os << "FREQ_ID=[" << sfids_unique[i] << "," << rfids_unique[i] << "]: out-band frequency switching, no folding" << LogIO::POST ; |
---|
| 3874 | os << "Just return signal data" << LogIO::POST ; |
---|
| 3875 | //std::vector< CountedPtr<Scantable> > tabs ; |
---|
| 3876 | //tabs.push_back( ssig ) ; |
---|
| 3877 | //tabs.push_back( sref ) ; |
---|
| 3878 | //out = merge( tabs ) ; |
---|
| 3879 | tmp[i] = ssig ; |
---|
| 3880 | } |
---|
| 3881 | else { |
---|
| 3882 | STSelector sel = STSelector() ; |
---|
| 3883 | vector<int> v( 1, sifno_unique[i] ) ; |
---|
| 3884 | sel.setIFs( v ) ; |
---|
| 3885 | ssig->setSelection( sel ) ; |
---|
| 3886 | sel.reset() ; |
---|
| 3887 | v[0] = rifno_unique[i] ; |
---|
| 3888 | sel.setIFs( v ) ; |
---|
| 3889 | sref->setSelection( sel ) ; |
---|
| 3890 | sel.reset() ; |
---|
| 3891 | if ( antname.find( "APEX" ) != string::npos ) { |
---|
| 3892 | tmp[i] = dofold( ssig, sref, 0.5*doffset, -0.5*doffset ) ; |
---|
| 3893 | //tmp[i] = dofold( ssig, sref, doffset ) ; |
---|
| 3894 | } |
---|
| 3895 | else { |
---|
| 3896 | tmp[i] = dofold( ssig, sref, doffset ) ; |
---|
| 3897 | } |
---|
| 3898 | ssig->unsetSelection() ; |
---|
| 3899 | sref->unsetSelection() ; |
---|
| 3900 | } |
---|
| 3901 | } |
---|
| 3902 | } |
---|
| 3903 | |
---|
| 3904 | if ( tmp.size() > 1 ) { |
---|
| 3905 | out = merge( tmp ) ; |
---|
| 3906 | } |
---|
| 3907 | else { |
---|
| 3908 | out = tmp[0] ; |
---|
| 3909 | } |
---|
| 3910 | |
---|
| 3911 | // flux unit |
---|
| 3912 | out->setFluxUnit( "K" ) ; |
---|
| 3913 | |
---|
| 3914 | return out ; |
---|
| 3915 | } |
---|
| 3916 | |
---|
| 3917 | CountedPtr<Scantable> STMath::almacalfs( const CountedPtr<Scantable>& s ) |
---|
| 3918 | { |
---|
[2163] | 3919 | (void) s; //currently unused |
---|
[1819] | 3920 | CountedPtr<Scantable> out ; |
---|
| 3921 | |
---|
| 3922 | return out ; |
---|
| 3923 | } |
---|
| 3924 | |
---|
[2580] | 3925 | void STMath::calibrateAPEXFS( CountedPtr<Scantable> &sig, |
---|
| 3926 | CountedPtr<Scantable> &ref, |
---|
| 3927 | const vector< CountedPtr<Scantable> >& on, |
---|
| 3928 | const vector< CountedPtr<Scantable> >& sky, |
---|
| 3929 | const vector< CountedPtr<Scantable> >& hot, |
---|
| 3930 | const vector< CountedPtr<Scantable> >& cold, |
---|
| 3931 | const Vector<uInt> &rows ) |
---|
| 3932 | { |
---|
| 3933 | // if rows is empty, just return |
---|
| 3934 | if ( rows.nelements() == 0 ) |
---|
| 3935 | return ; |
---|
| 3936 | ROScalarColumn<Double> timeCol( sky[0]->table(), "TIME" ) ; |
---|
| 3937 | Vector<Double> timeSkyS = timeCol.getColumn() ; |
---|
| 3938 | timeCol.attach( sky[1]->table(), "TIME" ) ; |
---|
| 3939 | Vector<Double> timeSkyR = timeCol.getColumn() ; |
---|
| 3940 | timeCol.attach( hot[0]->table(), "TIME" ) ; |
---|
| 3941 | Vector<Double> timeHotS = timeCol.getColumn() ; |
---|
| 3942 | timeCol.attach( hot[1]->table(), "TIME" ) ; |
---|
| 3943 | Vector<Double> timeHotR = timeCol.getColumn() ; |
---|
| 3944 | timeCol.attach( sig->table(), "TIME" ) ; |
---|
| 3945 | ROScalarColumn<Double> timeCol2( ref->table(), "TIME" ) ; |
---|
| 3946 | ROArrayColumn<Float> arrayFloatCol( sky[0]->table(), "SPECTRA" ) ; |
---|
[2917] | 3947 | SpectralData skyspectraS(arrayFloatCol.getColumn()); |
---|
[2580] | 3948 | arrayFloatCol.attach( sky[1]->table(), "SPECTRA" ) ; |
---|
[2917] | 3949 | SpectralData skyspectraR(arrayFloatCol.getColumn()); |
---|
[2580] | 3950 | arrayFloatCol.attach( hot[0]->table(), "SPECTRA" ) ; |
---|
[2917] | 3951 | SpectralData hotspectraS(arrayFloatCol.getColumn()); |
---|
[2580] | 3952 | arrayFloatCol.attach( hot[1]->table(), "SPECTRA" ) ; |
---|
[2917] | 3953 | SpectralData hotspectraR(arrayFloatCol.getColumn()); |
---|
| 3954 | TcalData tcaldataS(sky[0]); |
---|
| 3955 | TsysData tsysdataS(sky[0]); |
---|
| 3956 | TcalData tcaldataR(sky[1]); |
---|
| 3957 | TsysData tsysdataR(sky[1]); |
---|
[2580] | 3958 | unsigned int spsize = sig->nchan( sig->getIF(rows[0]) ) ; |
---|
| 3959 | Vector<Float> spec( spsize ) ; |
---|
| 3960 | // I know that the data is contiguous |
---|
| 3961 | const uInt *p = rows.data() ; |
---|
| 3962 | vector<int> ids( 2 ) ; |
---|
| 3963 | Block<uInt> flagchan( spsize ) ; |
---|
| 3964 | uInt nflag = 0 ; |
---|
| 3965 | for ( int irow = 0 ; irow < rows.nelements() ; irow++ ) { |
---|
| 3966 | double reftime = timeCol.asdouble(*p) ; |
---|
| 3967 | ids = getRowIdFromTime( reftime, timeSkyS ) ; |
---|
[2917] | 3968 | Vector<Float> spskyS = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeSkyS, ids, skyspectraS, "linear"); |
---|
| 3969 | Vector<Float> tcalS = SimpleInterpolationHelper<TcalData>::GetFromTime(reftime, timeSkyS, ids, tcaldataS, "linear"); |
---|
| 3970 | Vector<Float> tsysS = SimpleInterpolationHelper<TsysData>::GetFromTime(reftime, timeSkyS, ids, tsysdataS, "linear"); |
---|
[2580] | 3971 | ids = getRowIdFromTime( reftime, timeHotS ) ; |
---|
[2917] | 3972 | Vector<Float> sphotS = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeHotS, ids, hotspectraS, "linear"); |
---|
[2580] | 3973 | reftime = timeCol2.asdouble(*p) ; |
---|
| 3974 | ids = getRowIdFromTime( reftime, timeSkyR ) ; |
---|
[2917] | 3975 | Vector<Float> spskyR = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeSkyR, ids, skyspectraR, "linear"); |
---|
| 3976 | Vector<Float> tcalR = SimpleInterpolationHelper<TcalData>::GetFromTime(reftime, timeSkyR, ids, tcaldataR, "linear"); |
---|
| 3977 | Vector<Float> tsysR = SimpleInterpolationHelper<TsysData>::GetFromTime(reftime, timeSkyR, ids, tsysdataR, "linear"); |
---|
[2580] | 3978 | ids = getRowIdFromTime( reftime, timeHotR ) ; |
---|
[2917] | 3979 | Vector<Float> sphotR = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeHotR, ids, hotspectraR, "linear"); |
---|
[2580] | 3980 | Vector<Float> spsig = on[0]->specCol_( *p ) ; |
---|
| 3981 | Vector<Float> spref = on[1]->specCol_( *p ) ; |
---|
| 3982 | for ( unsigned int j = 0 ; j < spsize ; j++ ) { |
---|
| 3983 | if ( (sphotS[j]-spskyS[j]) == 0.0 || (sphotR[j]-spskyR[j]) == 0.0 ) { |
---|
| 3984 | spec[j] = 0.0 ; |
---|
| 3985 | flagchan[nflag++] = j ; |
---|
| 3986 | } |
---|
| 3987 | else { |
---|
| 3988 | spec[j] = tcalS[j] * spsig[j] / ( sphotS[j] - spskyS[j] ) |
---|
| 3989 | - tcalR[j] * spref[j] / ( sphotR[j] - spskyR[j] ) ; |
---|
| 3990 | } |
---|
| 3991 | } |
---|
| 3992 | sig->specCol_.put( *p, spec ) ; |
---|
| 3993 | sig->tsysCol_.put( *p, tsysS ) ; |
---|
| 3994 | spec *= (Float)-1.0 ; |
---|
| 3995 | ref->specCol_.put( *p, spec ) ; |
---|
| 3996 | ref->tsysCol_.put( *p, tsysR ) ; |
---|
| 3997 | if ( nflag > 0 ) { |
---|
| 3998 | Vector<uChar> flsig = sig->flagsCol_( *p ) ; |
---|
| 3999 | Vector<uChar> flref = ref->flagsCol_( *p ) ; |
---|
| 4000 | for ( unsigned int j = 0 ; j < nflag ; j++ ) { |
---|
| 4001 | flsig[flagchan[j]] = (uChar)True ; |
---|
| 4002 | flref[flagchan[j]] = (uChar)True ; |
---|
| 4003 | } |
---|
| 4004 | sig->flagsCol_.put( *p, flsig ) ; |
---|
| 4005 | ref->flagsCol_.put( *p, flref ) ; |
---|
| 4006 | } |
---|
| 4007 | nflag = 0 ; |
---|
| 4008 | p++ ; |
---|
| 4009 | } |
---|
[1819] | 4010 | } |
---|
| 4011 | |
---|
[2580] | 4012 | void STMath::calibrateFS( CountedPtr<Scantable> &sig, |
---|
| 4013 | CountedPtr<Scantable> &ref, |
---|
| 4014 | const CountedPtr<Scantable>& rsig, |
---|
| 4015 | const CountedPtr<Scantable>& rref, |
---|
| 4016 | const CountedPtr<Scantable>& sky, |
---|
| 4017 | const CountedPtr<Scantable>& hot, |
---|
| 4018 | const CountedPtr<Scantable>& cold, |
---|
| 4019 | const Vector<uInt> &rows ) |
---|
[1819] | 4020 | { |
---|
[2580] | 4021 | // if rows is empty, just return |
---|
| 4022 | if ( rows.nelements() == 0 ) |
---|
| 4023 | return ; |
---|
| 4024 | ROScalarColumn<Double> timeCol( sky->table(), "TIME" ) ; |
---|
| 4025 | Vector<Double> timeSky = timeCol.getColumn() ; |
---|
| 4026 | timeCol.attach( hot->table(), "TIME" ) ; |
---|
| 4027 | Vector<Double> timeHot = timeCol.getColumn() ; |
---|
| 4028 | timeCol.attach( sig->table(), "TIME" ) ; |
---|
| 4029 | ROScalarColumn<Double> timeCol2( ref->table(), "TIME" ) ; |
---|
| 4030 | ROArrayColumn<Float> arrayFloatCol( sky->table(), "SPECTRA" ) ; |
---|
[2917] | 4031 | SpectralData skyspectra(arrayFloatCol.getColumn()); |
---|
[2580] | 4032 | arrayFloatCol.attach( hot->table(), "SPECTRA" ) ; |
---|
[2917] | 4033 | SpectralData hotspectra(arrayFloatCol.getColumn()); |
---|
| 4034 | TcalData tcaldata(sky); |
---|
| 4035 | TsysData tsysdata(sky); |
---|
[2580] | 4036 | unsigned int spsize = sig->nchan( sig->getIF(rows[0]) ) ; |
---|
| 4037 | Vector<Float> spec( spsize ) ; |
---|
| 4038 | // I know that the data is contiguous |
---|
| 4039 | const uInt *p = rows.data() ; |
---|
| 4040 | vector<int> ids( 2 ) ; |
---|
| 4041 | Block<uInt> flagchan( spsize ) ; |
---|
| 4042 | uInt nflag = 0 ; |
---|
| 4043 | for ( int irow = 0 ; irow < rows.nelements() ; irow++ ) { |
---|
| 4044 | double reftime = timeCol.asdouble(*p) ; |
---|
| 4045 | ids = getRowIdFromTime( reftime, timeSky ) ; |
---|
[2917] | 4046 | Vector<Float> spsky = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeSky, ids, skyspectra, "linear"); |
---|
| 4047 | Vector<Float> tcal = SimpleInterpolationHelper<TcalData>::GetFromTime(reftime, timeSky, ids, tcaldata, "linear"); |
---|
| 4048 | Vector<Float> tsys = SimpleInterpolationHelper<TsysData>::GetFromTime(reftime, timeSky, ids, tsysdata, "linear"); |
---|
[2580] | 4049 | ids = getRowIdFromTime( reftime, timeHot ) ; |
---|
[2917] | 4050 | Vector<Float> sphot = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeHot, ids, hotspectra, "linear"); |
---|
[2580] | 4051 | Vector<Float> spsig = rsig->specCol_( *p ) ; |
---|
| 4052 | Vector<Float> spref = rref->specCol_( *p ) ; |
---|
| 4053 | // using gain array |
---|
| 4054 | for ( unsigned int j = 0 ; j < spsize ; j++ ) { |
---|
| 4055 | if ( spref[j] == 0.0 || (sphot[j]-spsky[j]) == 0.0 ) { |
---|
| 4056 | spec[j] = 0.0 ; |
---|
| 4057 | flagchan[nflag++] = j ; |
---|
| 4058 | } |
---|
| 4059 | else { |
---|
| 4060 | spec[j] = ( ( spsig[j] - spref[j] ) / spref[j] ) |
---|
| 4061 | * ( spsky[j] / ( sphot[j] - spsky[j] ) ) * tcal[j] ; |
---|
| 4062 | } |
---|
| 4063 | } |
---|
| 4064 | sig->specCol_.put( *p, spec ) ; |
---|
| 4065 | sig->tsysCol_.put( *p, tsys ) ; |
---|
| 4066 | if ( nflag > 0 ) { |
---|
| 4067 | Vector<uChar> fl = sig->flagsCol_( *p ) ; |
---|
| 4068 | for ( unsigned int j = 0 ; j < nflag ; j++ ) { |
---|
| 4069 | fl[flagchan[j]] = (uChar)True ; |
---|
| 4070 | } |
---|
| 4071 | sig->flagsCol_.put( *p, fl ) ; |
---|
| 4072 | } |
---|
| 4073 | nflag = 0 ; |
---|
| 4074 | |
---|
| 4075 | reftime = timeCol2.asdouble(*p) ; |
---|
[2917] | 4076 | ids = getRowIdFromTime( reftime, timeSky ) ; |
---|
| 4077 | spsky = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeSky, ids, skyspectra, "linear"); |
---|
| 4078 | tcal = SimpleInterpolationHelper<TcalData>::GetFromTime(reftime, timeSky, ids, tcaldata, "linear"); |
---|
| 4079 | tsys = SimpleInterpolationHelper<TsysData>::GetFromTime(reftime, timeSky, ids, tsysdata, "linear"); |
---|
[2580] | 4080 | ids = getRowIdFromTime( reftime, timeHot ) ; |
---|
[2917] | 4081 | sphot = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeHot, ids, hotspectra, "linear"); |
---|
[2580] | 4082 | // using gain array |
---|
| 4083 | for ( unsigned int j = 0 ; j < spsize ; j++ ) { |
---|
| 4084 | if ( spsig[j] == 0.0 || (sphot[j]-spsky[j]) == 0.0 ) { |
---|
| 4085 | spec[j] = 0.0 ; |
---|
| 4086 | flagchan[nflag++] = j ; |
---|
| 4087 | } |
---|
| 4088 | else { |
---|
| 4089 | spec[j] = ( ( spref[j] - spsig[j] ) / spsig[j] ) |
---|
| 4090 | * ( spsky[j] / ( sphot[j] - spsky[j] ) ) * tcal[j] ; |
---|
| 4091 | } |
---|
| 4092 | } |
---|
| 4093 | ref->specCol_.put( *p, spec ) ; |
---|
| 4094 | ref->tsysCol_.put( *p, tsys ) ; |
---|
| 4095 | if ( nflag > 0 ) { |
---|
| 4096 | Vector<uChar> fl = ref->flagsCol_( *p ) ; |
---|
| 4097 | for ( unsigned int j = 0 ; j < nflag ; j++ ) { |
---|
| 4098 | fl[flagchan[j]] = (uChar)True ; |
---|
| 4099 | } |
---|
| 4100 | ref->flagsCol_.put( *p, fl ) ; |
---|
| 4101 | } |
---|
| 4102 | nflag = 0 ; |
---|
| 4103 | p++ ; |
---|
[1819] | 4104 | } |
---|
| 4105 | } |
---|
| 4106 | |
---|
[2580] | 4107 | void STMath::copyRows( Table &out, |
---|
| 4108 | const Table &in, |
---|
| 4109 | uInt startout, |
---|
| 4110 | uInt startin, |
---|
| 4111 | uInt nrow, |
---|
| 4112 | Bool copySpectra, |
---|
| 4113 | Bool copyFlagtra, |
---|
| 4114 | Bool copyTsys ) |
---|
[1819] | 4115 | { |
---|
[2580] | 4116 | uInt nexclude = 0 ; |
---|
| 4117 | Block<String> excludeColsBlock( 3 ) ; |
---|
| 4118 | if ( !copySpectra ) { |
---|
| 4119 | excludeColsBlock[nexclude] = "SPECTRA" ; |
---|
| 4120 | nexclude++ ; |
---|
[1819] | 4121 | } |
---|
[2580] | 4122 | if ( !copyFlagtra ) { |
---|
| 4123 | excludeColsBlock[nexclude] = "FLAGTRA" ; |
---|
| 4124 | nexclude++ ; |
---|
| 4125 | } |
---|
| 4126 | if ( !copyTsys ) { |
---|
| 4127 | excludeColsBlock[nexclude] = "TSYS" ; |
---|
| 4128 | nexclude++ ; |
---|
| 4129 | } |
---|
| 4130 | // if ( nexclude < 3 ) { |
---|
| 4131 | // excludeCols.resize( nexclude, True ) ; |
---|
| 4132 | // } |
---|
| 4133 | Vector<String> excludeCols( IPosition(1,nexclude), |
---|
| 4134 | excludeColsBlock.storage(), |
---|
| 4135 | SHARE ) ; |
---|
| 4136 | // cout << "excludeCols=" << excludeCols << endl ; |
---|
| 4137 | TableRow rowout( out, excludeCols, True ) ; |
---|
| 4138 | ROTableRow rowin( in, excludeCols, True ) ; |
---|
| 4139 | uInt rin = startin ; |
---|
| 4140 | uInt rout = startout ; |
---|
| 4141 | for ( uInt i = 0 ; i < nrow ; i++ ) { |
---|
| 4142 | rowin.get( rin ) ; |
---|
| 4143 | rowout.putMatchingFields( rout, rowin.record() ) ; |
---|
| 4144 | rin++ ; |
---|
| 4145 | rout++ ; |
---|
| 4146 | } |
---|
[1819] | 4147 | } |
---|
| 4148 | |
---|
[2580] | 4149 | CountedPtr<Scantable> STMath::averageWithinSession( CountedPtr<Scantable> &s, |
---|
| 4150 | vector<bool> &mask, |
---|
| 4151 | string weight ) |
---|
[1819] | 4152 | { |
---|
[2580] | 4153 | // prepare output table |
---|
| 4154 | bool insitu = insitu_ ; |
---|
| 4155 | insitu_ = false ; |
---|
| 4156 | CountedPtr<Scantable> a = getScantable( s, true ) ; |
---|
| 4157 | insitu_ = insitu ; |
---|
| 4158 | Table &atab = a->table() ; |
---|
| 4159 | ScalarColumn<Double> timeColOut( atab, "TIME" ) ; |
---|
| 4160 | |
---|
| 4161 | if ( s->nrow() == 0 ) |
---|
| 4162 | return a ; |
---|
| 4163 | |
---|
| 4164 | // setup RowAccumulator |
---|
| 4165 | WeightType wtype = stringToWeight( weight ) ; |
---|
| 4166 | RowAccumulator acc( wtype ) ; |
---|
| 4167 | Vector<Bool> cmask( mask ) ; |
---|
| 4168 | acc.setUserMask( cmask ) ; |
---|
| 4169 | |
---|
| 4170 | vector<string> cols( 3 ) ; |
---|
| 4171 | cols[0] = "IFNO" ; |
---|
| 4172 | cols[1] = "POLNO" ; |
---|
| 4173 | cols[2] = "BEAMNO" ; |
---|
[2916] | 4174 | STIdxIter2 iter( s, cols ) ; |
---|
[2580] | 4175 | |
---|
| 4176 | Table ttab = s->table() ; |
---|
| 4177 | ROScalarColumn<Double> *timeCol = new ROScalarColumn<Double>( ttab, "TIME" ) ; |
---|
| 4178 | Vector<Double> timeVec = timeCol->getColumn() ; |
---|
| 4179 | delete timeCol ; |
---|
| 4180 | Vector<Double> interval = s->integrCol_.getColumn() ; |
---|
| 4181 | uInt nrow = timeVec.nelements() ; |
---|
| 4182 | uInt outrow = 0 ; |
---|
| 4183 | |
---|
| 4184 | while( !iter.pastEnd() ) { |
---|
| 4185 | |
---|
| 4186 | Vector<uInt> rows = iter.getRows( SHARE ) ; |
---|
[2612] | 4187 | uInt len = rows.nelements() ; |
---|
[2580] | 4188 | |
---|
[2612] | 4189 | if ( len == 0 ) { |
---|
| 4190 | iter.next() ; |
---|
| 4191 | continue ; |
---|
| 4192 | } |
---|
| 4193 | |
---|
[2580] | 4194 | uInt nchan = s->nchan(s->getIF(rows[0])) ; |
---|
| 4195 | Vector<uChar> flag( nchan ) ; |
---|
| 4196 | Vector<Bool> bflag( nchan ) ; |
---|
| 4197 | Vector<Float> spec( nchan ) ; |
---|
| 4198 | Vector<Float> tsys( nchan ) ; |
---|
| 4199 | |
---|
| 4200 | Vector<Double> timeSep( len-1 ) ; |
---|
| 4201 | for ( uInt i = 0 ; i < len-1 ; i++ ) { |
---|
| 4202 | timeSep[i] = timeVec[rows[i+1]] - timeVec[rows[i]] ; |
---|
| 4203 | } |
---|
| 4204 | |
---|
| 4205 | uInt irow ; |
---|
| 4206 | uInt jrow ; |
---|
| 4207 | for ( uInt i = 0 ; i < len-1 ; i++ ) { |
---|
| 4208 | irow = rows[i] ; |
---|
| 4209 | jrow = rows[i+1] ; |
---|
| 4210 | // accumulate data |
---|
| 4211 | s->flagsCol_.get( irow, flag ) ; |
---|
| 4212 | convertArray( bflag, flag ) ; |
---|
| 4213 | s->specCol_.get( irow, spec ) ; |
---|
| 4214 | tsys.assign( s->tsysCol_( irow ) ) ; |
---|
| 4215 | if ( !allEQ(bflag,True) ) |
---|
| 4216 | acc.add( spec, !bflag, tsys, interval[irow], timeVec[irow] ) ; |
---|
| 4217 | double gap = 2.0 * 86400.0 * timeSep[i] / ( interval[jrow] + interval[irow] ) ; |
---|
| 4218 | //cout << "gap[" << i << "]=" << setw(5) << gap << endl ; |
---|
| 4219 | if ( gap > 1.1 ) { |
---|
| 4220 | //cout << "detected gap between " << i << " and " << i+1 << endl ; |
---|
| 4221 | // put data to output table |
---|
| 4222 | // reset RowAccumulator |
---|
| 4223 | if ( acc.state() ) { |
---|
| 4224 | atab.addRow() ; |
---|
| 4225 | copyRows( atab, ttab, outrow, irow, 1, False, False, False ) ; |
---|
| 4226 | acc.replaceNaN() ; |
---|
| 4227 | const Vector<Bool> &msk = acc.getMask() ; |
---|
| 4228 | convertArray( flag, !msk ) ; |
---|
| 4229 | for (uInt k = 0; k < nchan; ++k) { |
---|
| 4230 | uChar userFlag = 1 << 7; |
---|
| 4231 | if (msk[k]==True) userFlag = 0 << 7; |
---|
| 4232 | flag(k) = userFlag; |
---|
| 4233 | } |
---|
| 4234 | a->flagsCol_.put( outrow, flag ) ; |
---|
| 4235 | a->specCol_.put( outrow, acc.getSpectrum() ) ; |
---|
| 4236 | a->tsysCol_.put( outrow, acc.getTsys() ) ; |
---|
| 4237 | a->integrCol_.put( outrow, acc.getInterval() ) ; |
---|
| 4238 | timeColOut.put( outrow, acc.getTime() ) ; |
---|
| 4239 | a->cycleCol_.put( outrow, 0 ) ; |
---|
| 4240 | } |
---|
| 4241 | acc.reset() ; |
---|
| 4242 | outrow++ ; |
---|
| 4243 | } |
---|
| 4244 | } |
---|
| 4245 | |
---|
| 4246 | // accumulate and add last data |
---|
| 4247 | irow = rows[len-1] ; |
---|
| 4248 | s->flagsCol_.get( irow, flag ) ; |
---|
| 4249 | convertArray( bflag, flag ) ; |
---|
| 4250 | s->specCol_.get( irow, spec ) ; |
---|
| 4251 | tsys.assign( s->tsysCol_( irow ) ) ; |
---|
| 4252 | if (!allEQ(bflag,True) ) |
---|
| 4253 | acc.add( spec, !bflag, tsys, interval[irow], timeVec[irow] ) ; |
---|
| 4254 | if ( acc.state() ) { |
---|
| 4255 | atab.addRow() ; |
---|
| 4256 | copyRows( atab, ttab, outrow, irow, 1, False, False, False ) ; |
---|
| 4257 | acc.replaceNaN() ; |
---|
| 4258 | const Vector<Bool> &msk = acc.getMask() ; |
---|
| 4259 | convertArray( flag, !msk ) ; |
---|
| 4260 | for (uInt k = 0; k < nchan; ++k) { |
---|
| 4261 | uChar userFlag = 1 << 7; |
---|
| 4262 | if (msk[k]==True) userFlag = 0 << 7; |
---|
| 4263 | flag(k) = userFlag; |
---|
| 4264 | } |
---|
| 4265 | a->flagsCol_.put( outrow, flag ) ; |
---|
| 4266 | a->specCol_.put( outrow, acc.getSpectrum() ) ; |
---|
| 4267 | a->tsysCol_.put( outrow, acc.getTsys() ) ; |
---|
| 4268 | a->integrCol_.put( outrow, acc.getInterval() ) ; |
---|
| 4269 | timeColOut.put( outrow, acc.getTime() ) ; |
---|
| 4270 | a->cycleCol_.put( outrow, 0 ) ; |
---|
| 4271 | } |
---|
| 4272 | acc.reset() ; |
---|
| 4273 | outrow++ ; |
---|
| 4274 | |
---|
| 4275 | iter.next() ; |
---|
[1819] | 4276 | } |
---|
| 4277 | |
---|
[2580] | 4278 | return a ; |
---|
[1819] | 4279 | } |
---|