[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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[2917] | 64 | // namespace { |
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| 65 | // class CalibrationIterator |
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| 66 | // { |
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| 67 | // public: |
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| 68 | // CalibrationIterator() |
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| 69 | // : table_(table) |
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| 70 | // {} |
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| 71 | // ~CalibrationIterator() {} |
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| 72 | // void Iterate() { |
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| 73 | // STSelector sel; |
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| 74 | // vector<string> cols( 3 ) ; |
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| 75 | // cols[0] = "BEAMNO" ; |
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| 76 | // cols[1] = "POLNO" ; |
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| 77 | // cols[2] = "IFNO" ; |
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| 78 | // STIdxIter2 iter(out, cols); |
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| 79 | // while ( !iter.pastEnd() ) { |
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| 80 | // Record ids = iter.currentValue(); |
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| 81 | // stringstream ss ; |
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| 82 | // ss << "SELECT FROM $1 WHERE " |
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| 83 | // << "BEAMNO==" << ids.asuInt("BEAMNO") << "&&" |
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| 84 | // << "POLNO==" << ids.asuInt("POLNO") << "&&" |
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| 85 | // << "IFNO==" << ids.asuInt("IFNO") ; |
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| 86 | // //cout << "TaQL string: " << ss.str() << endl ; |
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| 87 | // sel.setTaQL( ss.str() ) ; |
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| 88 | // //// |
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| 89 | // // begin individual processing |
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| 90 | // aoff->setSelection( sel ) ; |
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| 91 | // ahot->setSelection( sel ) ; |
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| 92 | // asky->setSelection( sel ) ; |
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| 93 | // Vector<uInt> rows = iter.getRows( SHARE ) ; |
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| 94 | // // out should be an exact copy of s except that SPECTRA column is empty |
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| 95 | // calibrateCW( out, s, aoff, asky, ahot, acold, rows, antname ) ; |
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| 96 | // aoff->unsetSelection() ; |
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| 97 | // ahot->unsetSelection() ; |
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| 98 | // asky->unsetSelection() ; |
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| 99 | // // end individual processing |
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| 100 | // //// |
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| 101 | // sel.reset() ; |
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| 102 | // iter.next() ; |
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| 103 | // } |
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| 104 | // }; |
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| 105 | // protected: |
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| 106 | // CountedPtr<Scantable> table_; |
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| 107 | // }; |
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| 108 | |
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| 109 | |
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| 110 | // } // anonymous namespace |
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| 111 | |
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[2412] | 112 | // 2012/02/17 TN |
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| 113 | // Since STGrid is implemented, average doesn't consider direction |
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| 114 | // when accumulating |
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[1819] | 115 | // tolerance for direction comparison (rad) |
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[2412] | 116 | // #define TOL_OTF 1.0e-15 |
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| 117 | // #define TOL_POINT 2.9088821e-4 // 1 arcmin |
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[1819] | 118 | |
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[805] | 119 | STMath::STMath(bool insitu) : |
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| 120 | insitu_(insitu) |
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[716] | 121 | { |
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| 122 | } |
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[170] | 123 | |
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| 124 | |
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[805] | 125 | STMath::~STMath() |
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[170] | 126 | { |
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| 127 | } |
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| 128 | |
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[805] | 129 | CountedPtr<Scantable> |
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[977] | 130 | STMath::average( const std::vector<CountedPtr<Scantable> >& in, |
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[858] | 131 | const std::vector<bool>& mask, |
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[805] | 132 | const std::string& weight, |
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[977] | 133 | const std::string& avmode) |
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[262] | 134 | { |
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[2580] | 135 | // double t0, t1 ; |
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| 136 | // t0 = mathutil::gettimeofday_sec() ; |
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| 137 | |
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[1819] | 138 | LogIO os( LogOrigin( "STMath", "average()", WHERE ) ) ; |
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[977] | 139 | if ( avmode == "SCAN" && in.size() != 1 ) |
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[1066] | 140 | throw(AipsError("Can't perform 'SCAN' averaging on multiple tables.\n" |
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| 141 | "Use merge first.")); |
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[805] | 142 | WeightType wtype = stringToWeight(weight); |
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[926] | 143 | |
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[2412] | 144 | // 2012/02/17 TN |
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| 145 | // Since STGrid is implemented, average doesn't consider direction |
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| 146 | // when accumulating |
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[1819] | 147 | // check if OTF observation |
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[2412] | 148 | // String obstype = in[0]->getHeader().obstype ; |
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| 149 | // Double tol = 0.0 ; |
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| 150 | // if ( (obstype.find( "OTF" ) != String::npos) || (obstype.find( "OBSERVE_TARGET" ) != String::npos) ) { |
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| 151 | // tol = TOL_OTF ; |
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| 152 | // } |
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| 153 | // else { |
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| 154 | // tol = TOL_POINT ; |
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| 155 | // } |
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[1819] | 156 | |
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[805] | 157 | // output |
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| 158 | // clone as this is non insitu |
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| 159 | bool insitu = insitu_; |
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| 160 | setInsitu(false); |
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[977] | 161 | CountedPtr< Scantable > out = getScantable(in[0], true); |
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[805] | 162 | setInsitu(insitu); |
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[977] | 163 | std::vector<CountedPtr<Scantable> >::const_iterator stit = in.begin(); |
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[862] | 164 | ++stit; |
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[977] | 165 | while ( stit != in.end() ) { |
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[862] | 166 | out->appendToHistoryTable((*stit)->history()); |
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| 167 | ++stit; |
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| 168 | } |
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[294] | 169 | |
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[805] | 170 | Table& tout = out->table(); |
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[701] | 171 | |
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[805] | 172 | /// @todo check if all scantables are conformant |
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[294] | 173 | |
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[805] | 174 | ArrayColumn<Float> specColOut(tout,"SPECTRA"); |
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| 175 | ArrayColumn<uChar> flagColOut(tout,"FLAGTRA"); |
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| 176 | ArrayColumn<Float> tsysColOut(tout,"TSYS"); |
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| 177 | ScalarColumn<Double> mjdColOut(tout,"TIME"); |
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| 178 | ScalarColumn<Double> intColOut(tout,"INTERVAL"); |
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[1008] | 179 | ScalarColumn<uInt> cycColOut(tout,"CYCLENO"); |
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[1145] | 180 | ScalarColumn<uInt> scanColOut(tout,"SCANNO"); |
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[2829] | 181 | ScalarColumn<uInt> flagRowColOut(tout,"FLAGROW"); |
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[262] | 182 | |
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[805] | 183 | // set up the output table rows. These are based on the structure of the |
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[862] | 184 | // FIRST scantable in the vector |
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[977] | 185 | const Table& baset = in[0]->table(); |
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[262] | 186 | |
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[2580] | 187 | RowAccumulator acc(wtype); |
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| 188 | Vector<Bool> cmask(mask); |
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| 189 | acc.setUserMask(cmask); |
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| 190 | // ROTableRow row(tout); |
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| 191 | ROArrayColumn<Float> specCol, tsysCol; |
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| 192 | ROArrayColumn<uChar> flagCol; |
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| 193 | ROScalarColumn<Double> mjdCol, intCol; |
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| 194 | ROScalarColumn<Int> scanIDCol; |
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[2829] | 195 | ROScalarColumn<uInt> flagRowCol; |
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[2580] | 196 | |
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| 197 | //Vector<uInt> rowstodelete; |
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| 198 | Block<uInt> rowstodelB( in[0]->nrow() ) ; |
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| 199 | uInt nrowdel = 0 ; |
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| 200 | |
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| 201 | // Block<String> cols(3); |
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| 202 | vector<string> cols(3) ; |
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[805] | 203 | cols[0] = String("BEAMNO"); |
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| 204 | cols[1] = String("IFNO"); |
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| 205 | cols[2] = String("POLNO"); |
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| 206 | if ( avmode == "SOURCE" ) { |
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| 207 | cols.resize(4); |
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| 208 | cols[3] = String("SRCNAME"); |
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[488] | 209 | } |
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[977] | 210 | if ( avmode == "SCAN" && in.size() == 1) { |
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[1819] | 211 | //cols.resize(4); |
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| 212 | //cols[3] = String("SCANNO"); |
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| 213 | cols.resize(5); |
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| 214 | cols[3] = String("SRCNAME"); |
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| 215 | cols[4] = String("SCANNO"); |
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[2] | 216 | } |
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[805] | 217 | uInt outrowCount = 0; |
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[2918] | 218 | // use STIdxIter2 instead of TableIterator |
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| 219 | STIdxIter2 iter( in[0], cols ) ; |
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[2580] | 220 | // double t2 = 0 ; |
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| 221 | // double t3 = 0 ; |
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| 222 | // double t4 = 0 ; |
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| 223 | // double t5 = 0 ; |
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| 224 | // TableIterator iter(baset, cols); |
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[1819] | 225 | // int count = 0 ; |
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[805] | 226 | while (!iter.pastEnd()) { |
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[2580] | 227 | Vector<uInt> rows = iter.getRows( SHARE ) ; |
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| 228 | if ( rows.nelements() == 0 ) { |
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| 229 | iter.next() ; |
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| 230 | continue ; |
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| 231 | } |
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[2918] | 232 | Record current = iter.currentValue() ; |
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[2580] | 233 | //Table subt = iter.table(); |
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[2412] | 234 | // copy the first row of this selection into the new table |
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| 235 | tout.addRow(); |
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[2580] | 236 | // t4 = mathutil::gettimeofday_sec() ; |
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| 237 | // skip to copy SPECTRA, FLAGTRA, and TSYS since those heavy columns are |
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| 238 | // overwritten in the following process |
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| 239 | copyRows( tout, baset, outrowCount, rows[0], 1, False, False, False ) ; |
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| 240 | // t5 += mathutil::gettimeofday_sec() - t4 ; |
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[2412] | 241 | // re-index to 0 |
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| 242 | if ( avmode != "SCAN" && avmode != "SOURCE" ) { |
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| 243 | scanColOut.put(outrowCount, uInt(0)); |
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| 244 | } |
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[2580] | 245 | |
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[2412] | 246 | // 2012/02/17 TN |
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| 247 | // Since STGrid is implemented, average doesn't consider direction |
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| 248 | // when accumulating |
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| 249 | // MDirection::ScalarColumn dircol ; |
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| 250 | // dircol.attach( subt, "DIRECTION" ) ; |
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| 251 | // Int length = subt.nrow() ; |
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| 252 | // vector< Vector<Double> > dirs ; |
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| 253 | // vector<int> indexes ; |
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| 254 | // for ( Int i = 0 ; i < length ; i++ ) { |
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| 255 | // Vector<Double> t = dircol(i).getAngle(Unit(String("rad"))).getValue() ; |
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| 256 | // //os << << count++ << ": " ; |
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| 257 | // //os << "[" << t[0] << "," << t[1] << "]" << LogIO::POST ; |
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| 258 | // bool adddir = true ; |
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| 259 | // for ( uInt j = 0 ; j < dirs.size() ; j++ ) { |
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| 260 | // //if ( allTrue( t == dirs[j] ) ) { |
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| 261 | // Double dx = t[0] - dirs[j][0] ; |
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| 262 | // Double dy = t[1] - dirs[j][1] ; |
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| 263 | // Double dd = sqrt( dx * dx + dy * dy ) ; |
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| 264 | // //if ( allNearAbs( t, dirs[j], tol ) ) { |
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| 265 | // if ( dd <= tol ) { |
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| 266 | // adddir = false ; |
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| 267 | // break ; |
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| 268 | // } |
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| 269 | // } |
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| 270 | // if ( adddir ) { |
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| 271 | // dirs.push_back( t ) ; |
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| 272 | // indexes.push_back( i ) ; |
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| 273 | // } |
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[1819] | 274 | // } |
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[2412] | 275 | // uInt rowNum = dirs.size() ; |
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| 276 | // tout.addRow( rowNum ) ; |
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| 277 | // for ( uInt i = 0 ; i < rowNum ; i++ ) { |
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| 278 | // TableCopy::copyRows( tout, subt, outrowCount+i, indexes[i], 1 ) ; |
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| 279 | // // re-index to 0 |
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| 280 | // if ( avmode != "SCAN" && avmode != "SOURCE" ) { |
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| 281 | // scanColOut.put(outrowCount+i, uInt(0)); |
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| 282 | // } |
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| 283 | // } |
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| 284 | // outrowCount += rowNum ; |
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[144] | 285 | |
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[2580] | 286 | // merge loop |
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| 287 | uInt i = outrowCount ; |
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| 288 | // in[0] is already selected by iterator |
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| 289 | specCol.attach(baset,"SPECTRA"); |
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| 290 | flagCol.attach(baset,"FLAGTRA"); |
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| 291 | tsysCol.attach(baset,"TSYS"); |
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| 292 | intCol.attach(baset,"INTERVAL"); |
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| 293 | mjdCol.attach(baset,"TIME"); |
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[2829] | 294 | flagRowCol.attach(baset,"FLAGROW"); |
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[2580] | 295 | Vector<Float> spec,tsys; |
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| 296 | Vector<uChar> flag; |
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| 297 | Double inter,time; |
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[2829] | 298 | uInt flagRow; |
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[1333] | 299 | |
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[2580] | 300 | for (uInt l = 0; l < rows.nelements(); ++l ) { |
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| 301 | uInt k = rows[l] ; |
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| 302 | flagCol.get(k, flag); |
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| 303 | Vector<Bool> bflag(flag.shape()); |
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[2829] | 304 | flagRowCol.get(k, flagRow); |
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| 305 | if (flagRow > 0) |
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| 306 | bflag = true; |
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| 307 | else |
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| 308 | convertArray(bflag, flag); |
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[2580] | 309 | /* |
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| 310 | if ( allEQ(bflag, True) ) { |
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| 311 | continue;//don't accumulate |
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| 312 | } |
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| 313 | */ |
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| 314 | specCol.get(k, spec); |
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| 315 | tsysCol.get(k, tsys); |
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| 316 | intCol.get(k, inter); |
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| 317 | mjdCol.get(k, time); |
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| 318 | // spectrum has to be added last to enable weighting by the other values |
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| 319 | // t2 = mathutil::gettimeofday_sec() ; |
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| 320 | acc.add(spec, !bflag, tsys, inter, time); |
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| 321 | // t3 += mathutil::gettimeofday_sec() - t2 ; |
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| 322 | |
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| 323 | } |
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| 324 | |
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| 325 | |
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| 326 | // in[0] is already selected by TableIterator so that index is |
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| 327 | // started from 1 |
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| 328 | for ( int j=1; j < int(in.size()); ++j ) { |
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[977] | 329 | const Table& tin = in[j]->table(); |
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[2580] | 330 | //const TableRecord& rec = row.get(i); |
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[805] | 331 | ROScalarColumn<Double> tmp(tin, "TIME"); |
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| 332 | Double td;tmp.get(0,td); |
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[2580] | 333 | |
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| 334 | #if 1 |
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| 335 | static char const*const colNames1[] = { "IFNO", "BEAMNO", "POLNO" }; |
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| 336 | //uInt const values1[] = { rec.asuInt("IFNO"), rec.asuInt("BEAMNO"), rec.asuInt("POLNO") }; |
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[2918] | 337 | uInt const values1[] = { current.asuInt("IFNO"), current.asuInt("BEAMNO"), current.asuInt("POLNO") }; |
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[2580] | 338 | SingleTypeEqPredicate<uInt, 3> myPred(tin, colNames1, values1); |
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| 339 | CustomTableExprNodeRep myNodeRep(tin, myPred); |
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| 340 | myNodeRep.link(); // to avoid automatic delete when myExpr is destructed. |
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| 341 | CustomTableExprNode myExpr(myNodeRep); |
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| 342 | Table basesubt = tin(myExpr); |
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| 343 | #else |
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| 344 | // Table basesubt = tin( tin.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
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| 345 | // && tin.col("IFNO") == Int(rec.asuInt("IFNO")) |
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| 346 | // && tin.col("POLNO") == Int(rec.asuInt("POLNO")) ); |
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[2918] | 347 | Table basesubt = tin( tin.col("BEAMNO") == current.asuInt("BEAMNO") |
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| 348 | && tin.col("IFNO") == current.asuInt("IFNO") |
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| 349 | && tin.col("POLNO") == current.asuInt("POLNO") ); |
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[2580] | 350 | #endif |
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[805] | 351 | Table subt; |
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| 352 | if ( avmode == "SOURCE") { |
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[2580] | 353 | // subt = basesubt( basesubt.col("SRCNAME") == rec.asString("SRCNAME")); |
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[2918] | 354 | subt = basesubt( basesubt.col("SRCNAME") == current.asString("SRCNAME") ); |
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[2580] | 355 | |
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[805] | 356 | } else if (avmode == "SCAN") { |
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[2580] | 357 | // subt = basesubt( basesubt.col("SRCNAME") == rec.asString("SRCNAME") |
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| 358 | // && basesubt.col("SCANNO") == Int(rec.asuInt("SCANNO")) ); |
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[2918] | 359 | subt = basesubt( basesubt.col("SRCNAME") == current.asString("SRCNAME") |
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| 360 | && basesubt.col("SCANNO") == current.asuInt("SCANNO") ); |
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[805] | 361 | } else { |
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| 362 | subt = basesubt; |
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| 363 | } |
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[1819] | 364 | |
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[2412] | 365 | // 2012/02/17 TN |
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| 366 | // Since STGrid is implemented, average doesn't consider direction |
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| 367 | // when accumulating |
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| 368 | // vector<uInt> removeRows ; |
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| 369 | // uInt nrsubt = subt.nrow() ; |
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| 370 | // for ( uInt irow = 0 ; irow < nrsubt ; irow++ ) { |
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| 371 | // //if ( !allTrue((subt.col("DIRECTION").getArrayDouble(TableExprId(irow)))==rec.asArrayDouble("DIRECTION")) ) { |
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| 372 | // Vector<Double> x0 = (subt.col("DIRECTION").getArrayDouble(TableExprId(irow))) ; |
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| 373 | // Vector<Double> x1 = rec.asArrayDouble("DIRECTION") ; |
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| 374 | // double dx = x0[0] - x1[0]; |
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| 375 | // double dy = x0[1] - x1[1]; |
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| 376 | // Double dd = sqrt( dx * dx + dy * dy ) ; |
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| 377 | // //if ( !allNearAbs((subt.col("DIRECTION").getArrayDouble(TableExprId(irow))), rec.asArrayDouble("DIRECTION"), tol ) ) { |
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| 378 | // if ( dd > tol ) { |
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| 379 | // removeRows.push_back( irow ) ; |
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| 380 | // } |
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| 381 | // } |
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| 382 | // if ( removeRows.size() != 0 ) { |
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| 383 | // subt.removeRow( removeRows ) ; |
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| 384 | // } |
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[1819] | 385 | |
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[2412] | 386 | // if ( nrsubt == removeRows.size() ) |
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| 387 | // throw(AipsError("Averaging data is empty.")) ; |
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[1819] | 388 | |
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[805] | 389 | specCol.attach(subt,"SPECTRA"); |
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| 390 | flagCol.attach(subt,"FLAGTRA"); |
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| 391 | tsysCol.attach(subt,"TSYS"); |
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| 392 | intCol.attach(subt,"INTERVAL"); |
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| 393 | mjdCol.attach(subt,"TIME"); |
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[2829] | 394 | flagRowCol.attach(subt,"FLAGROW"); |
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[805] | 395 | for (uInt k = 0; k < subt.nrow(); ++k ) { |
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| 396 | flagCol.get(k, flag); |
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| 397 | Vector<Bool> bflag(flag.shape()); |
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[2829] | 398 | flagRowCol.get(k, flagRow); |
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| 399 | if (flagRow > 0) |
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| 400 | bflag = true; |
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| 401 | else |
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| 402 | convertArray(bflag, flag); |
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[1314] | 403 | /* |
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[805] | 404 | if ( allEQ(bflag, True) ) { |
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[1314] | 405 | continue;//don't accumulate |
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[144] | 406 | } |
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[1314] | 407 | */ |
---|
[805] | 408 | specCol.get(k, spec); |
---|
[2475] | 409 | //tsysCol.get(k, tsys); |
---|
| 410 | tsys.assign( tsysCol(k) ); |
---|
[805] | 411 | intCol.get(k, inter); |
---|
| 412 | mjdCol.get(k, time); |
---|
| 413 | // spectrum has to be added last to enable weighting by the other values |
---|
[2580] | 414 | // t2 = mathutil::gettimeofday_sec() ; |
---|
[805] | 415 | acc.add(spec, !bflag, tsys, inter, time); |
---|
[2580] | 416 | // t3 += mathutil::gettimeofday_sec() - t2 ; |
---|
[805] | 417 | } |
---|
[2125] | 418 | |
---|
[805] | 419 | } |
---|
[1333] | 420 | const Vector<Bool>& msk = acc.getMask(); |
---|
| 421 | if ( allEQ(msk, False) ) { |
---|
[2580] | 422 | rowstodelB[nrowdel] = i ; |
---|
| 423 | nrowdel++ ; |
---|
[1333] | 424 | continue; |
---|
| 425 | } |
---|
[805] | 426 | //write out |
---|
[1819] | 427 | if (acc.state()) { |
---|
[2580] | 428 | // If there exists a channel at which all the input spectra are masked, |
---|
| 429 | // spec has 'nan' values for that channel and it may affect the following |
---|
| 430 | // processes. To avoid this, replacing 'nan' values in spec with |
---|
| 431 | // weighted-mean of all spectra in the following line. |
---|
| 432 | // (done for CAS-2776, 2011/04/07 by Wataru Kawasaki) |
---|
| 433 | acc.replaceNaN(); |
---|
| 434 | |
---|
[1819] | 435 | Vector<uChar> flg(msk.shape()); |
---|
| 436 | convertArray(flg, !msk); |
---|
[2125] | 437 | for (uInt k = 0; k < flg.nelements(); ++k) { |
---|
| 438 | uChar userFlag = 1 << 7; |
---|
| 439 | if (msk[k]==True) userFlag = 0 << 7; |
---|
| 440 | flg(k) = userFlag; |
---|
| 441 | } |
---|
| 442 | |
---|
[1819] | 443 | flagColOut.put(i, flg); |
---|
| 444 | specColOut.put(i, acc.getSpectrum()); |
---|
| 445 | tsysColOut.put(i, acc.getTsys()); |
---|
| 446 | intColOut.put(i, acc.getInterval()); |
---|
| 447 | mjdColOut.put(i, acc.getTime()); |
---|
| 448 | // we should only have one cycle now -> reset it to be 0 |
---|
| 449 | // frequency switched data has different CYCLENO for different IFNO |
---|
| 450 | // which requires resetting this value |
---|
| 451 | cycColOut.put(i, uInt(0)); |
---|
[2829] | 452 | // completely flagged rows are removed anyway |
---|
| 453 | flagRowColOut.put(i, uInt(0)); |
---|
[1819] | 454 | } else { |
---|
[2658] | 455 | os << "For output row="<<i<<", all input rows of data are flagged. no averaging" << LogIO::POST; |
---|
[1819] | 456 | } |
---|
[805] | 457 | acc.reset(); |
---|
[2580] | 458 | |
---|
| 459 | // merge with while loop for preparing out table |
---|
| 460 | ++outrowCount; |
---|
| 461 | // ++iter ; |
---|
| 462 | iter.next() ; |
---|
[144] | 463 | } |
---|
[2135] | 464 | |
---|
[2580] | 465 | if ( nrowdel > 0 ) { |
---|
| 466 | Vector<uInt> rowstodelete( IPosition(1,nrowdel), rowstodelB.storage(), SHARE ) ; |
---|
[1819] | 467 | os << rowstodelete << LogIO::POST ; |
---|
[1333] | 468 | tout.removeRow(rowstodelete); |
---|
| 469 | if (tout.nrow() == 0) { |
---|
| 470 | throw(AipsError("Can't average fully flagged data.")); |
---|
| 471 | } |
---|
| 472 | } |
---|
[2580] | 473 | |
---|
| 474 | // t1 = mathutil::gettimeofday_sec() ; |
---|
| 475 | // cout << "elapsed time for average(): " << t1-t0 << " sec" << endl ; |
---|
| 476 | // cout << " elapsed time for acc.add(): " << t3 << " sec" << endl ; |
---|
| 477 | // cout << " elapsed time for copyRows(): " << t5 << " sec" << endl ; |
---|
| 478 | |
---|
[805] | 479 | return out; |
---|
[2] | 480 | } |
---|
[9] | 481 | |
---|
[1069] | 482 | CountedPtr< Scantable > |
---|
[2163] | 483 | STMath::averageChannel( const CountedPtr < Scantable > & in, |
---|
[1078] | 484 | const std::string & mode, |
---|
| 485 | const std::string& avmode ) |
---|
[1069] | 486 | { |
---|
[2163] | 487 | (void) mode; // currently unused |
---|
[2412] | 488 | // 2012/02/17 TN |
---|
| 489 | // Since STGrid is implemented, average doesn't consider direction |
---|
| 490 | // when accumulating |
---|
[1819] | 491 | // check if OTF observation |
---|
[2412] | 492 | // String obstype = in->getHeader().obstype ; |
---|
| 493 | // Double tol = 0.0 ; |
---|
| 494 | // if ( obstype.find( "OTF" ) != String::npos ) { |
---|
| 495 | // tol = TOL_OTF ; |
---|
| 496 | // } |
---|
| 497 | // else { |
---|
| 498 | // tol = TOL_POINT ; |
---|
| 499 | // } |
---|
[1819] | 500 | |
---|
[1069] | 501 | // clone as this is non insitu |
---|
| 502 | bool insitu = insitu_; |
---|
| 503 | setInsitu(false); |
---|
| 504 | CountedPtr< Scantable > out = getScantable(in, true); |
---|
| 505 | setInsitu(insitu); |
---|
| 506 | Table& tout = out->table(); |
---|
| 507 | ArrayColumn<Float> specColOut(tout,"SPECTRA"); |
---|
| 508 | ArrayColumn<uChar> flagColOut(tout,"FLAGTRA"); |
---|
| 509 | ArrayColumn<Float> tsysColOut(tout,"TSYS"); |
---|
[1140] | 510 | ScalarColumn<uInt> scanColOut(tout,"SCANNO"); |
---|
[1232] | 511 | ScalarColumn<Double> intColOut(tout, "INTERVAL"); |
---|
[1140] | 512 | Table tmp = in->table().sort("BEAMNO"); |
---|
[1069] | 513 | Block<String> cols(3); |
---|
| 514 | cols[0] = String("BEAMNO"); |
---|
| 515 | cols[1] = String("IFNO"); |
---|
| 516 | cols[2] = String("POLNO"); |
---|
[1078] | 517 | if ( avmode == "SCAN") { |
---|
| 518 | cols.resize(4); |
---|
| 519 | cols[3] = String("SCANNO"); |
---|
| 520 | } |
---|
[1069] | 521 | uInt outrowCount = 0; |
---|
| 522 | uChar userflag = 1 << 7; |
---|
[1140] | 523 | TableIterator iter(tmp, cols); |
---|
[1069] | 524 | while (!iter.pastEnd()) { |
---|
| 525 | Table subt = iter.table(); |
---|
| 526 | ROArrayColumn<Float> specCol, tsysCol; |
---|
| 527 | ROArrayColumn<uChar> flagCol; |
---|
[1232] | 528 | ROScalarColumn<Double> intCol(subt, "INTERVAL"); |
---|
[1069] | 529 | specCol.attach(subt,"SPECTRA"); |
---|
| 530 | flagCol.attach(subt,"FLAGTRA"); |
---|
| 531 | tsysCol.attach(subt,"TSYS"); |
---|
[2412] | 532 | |
---|
| 533 | tout.addRow(); |
---|
| 534 | TableCopy::copyRows(tout, subt, outrowCount, 0, 1); |
---|
| 535 | if ( avmode != "SCAN") { |
---|
| 536 | scanColOut.put(outrowCount, uInt(0)); |
---|
| 537 | } |
---|
| 538 | Vector<Float> tmp; |
---|
| 539 | specCol.get(0, tmp); |
---|
| 540 | uInt nchan = tmp.nelements(); |
---|
| 541 | // have to do channel by channel here as MaskedArrMath |
---|
| 542 | // doesn't have partialMedians |
---|
| 543 | Vector<uChar> flags = flagCol.getColumn(Slicer(Slice(0))); |
---|
| 544 | Vector<Float> outspec(nchan); |
---|
| 545 | Vector<uChar> outflag(nchan,0); |
---|
| 546 | Vector<Float> outtsys(1);/// @fixme when tsys is channel based |
---|
| 547 | for (uInt i=0; i<nchan; ++i) { |
---|
| 548 | Vector<Float> specs = specCol.getColumn(Slicer(Slice(i))); |
---|
| 549 | MaskedArray<Float> ma = maskedArray(specs,flags); |
---|
| 550 | outspec[i] = median(ma); |
---|
| 551 | if ( allEQ(ma.getMask(), False) ) |
---|
| 552 | outflag[i] = userflag;// flag data |
---|
| 553 | } |
---|
| 554 | outtsys[0] = median(tsysCol.getColumn()); |
---|
| 555 | specColOut.put(outrowCount, outspec); |
---|
| 556 | flagColOut.put(outrowCount, outflag); |
---|
| 557 | tsysColOut.put(outrowCount, outtsys); |
---|
| 558 | Double intsum = sum(intCol.getColumn()); |
---|
| 559 | intColOut.put(outrowCount, intsum); |
---|
| 560 | ++outrowCount; |
---|
| 561 | ++iter; |
---|
| 562 | |
---|
| 563 | // 2012/02/17 TN |
---|
| 564 | // Since STGrid is implemented, average doesn't consider direction |
---|
| 565 | // when accumulating |
---|
| 566 | // MDirection::ScalarColumn dircol ; |
---|
| 567 | // dircol.attach( subt, "DIRECTION" ) ; |
---|
| 568 | // Int length = subt.nrow() ; |
---|
| 569 | // vector< Vector<Double> > dirs ; |
---|
| 570 | // vector<int> indexes ; |
---|
| 571 | // // Handle MX mode averaging |
---|
| 572 | // if (in->nbeam() > 1 ) { |
---|
| 573 | // length = 1; |
---|
[1819] | 574 | // } |
---|
[2412] | 575 | // for ( Int i = 0 ; i < length ; i++ ) { |
---|
| 576 | // Vector<Double> t = dircol(i).getAngle(Unit(String("rad"))).getValue() ; |
---|
| 577 | // bool adddir = true ; |
---|
| 578 | // for ( uInt j = 0 ; j < dirs.size() ; j++ ) { |
---|
| 579 | // //if ( allTrue( t == dirs[j] ) ) { |
---|
| 580 | // Double dx = t[0] - dirs[j][0] ; |
---|
| 581 | // Double dy = t[1] - dirs[j][1] ; |
---|
| 582 | // Double dd = sqrt( dx * dx + dy * dy ) ; |
---|
| 583 | // //if ( allNearAbs( t, dirs[j], tol ) ) { |
---|
| 584 | // if ( dd <= tol ) { |
---|
| 585 | // adddir = false ; |
---|
| 586 | // break ; |
---|
| 587 | // } |
---|
| 588 | // } |
---|
| 589 | // if ( adddir ) { |
---|
| 590 | // dirs.push_back( t ) ; |
---|
| 591 | // indexes.push_back( i ) ; |
---|
| 592 | // } |
---|
[1819] | 593 | // } |
---|
[2412] | 594 | // uInt rowNum = dirs.size() ; |
---|
| 595 | // tout.addRow( rowNum ); |
---|
| 596 | // for ( uInt i = 0 ; i < rowNum ; i++ ) { |
---|
| 597 | // TableCopy::copyRows(tout, subt, outrowCount+i, indexes[i], 1) ; |
---|
| 598 | // // Handle MX mode averaging |
---|
| 599 | // if ( avmode != "SCAN") { |
---|
| 600 | // scanColOut.put(outrowCount+i, uInt(0)); |
---|
| 601 | // } |
---|
| 602 | // } |
---|
| 603 | // MDirection::ScalarColumn dircolOut ; |
---|
| 604 | // dircolOut.attach( tout, "DIRECTION" ) ; |
---|
| 605 | // for ( uInt irow = 0 ; irow < rowNum ; irow++ ) { |
---|
| 606 | // Vector<Double> t = \ |
---|
| 607 | // dircolOut(outrowCount+irow).getAngle(Unit(String("rad"))).getValue() ; |
---|
| 608 | // Vector<Float> tmp; |
---|
| 609 | // specCol.get(0, tmp); |
---|
| 610 | // uInt nchan = tmp.nelements(); |
---|
| 611 | // // have to do channel by channel here as MaskedArrMath |
---|
| 612 | // // doesn't have partialMedians |
---|
| 613 | // Vector<uChar> flags = flagCol.getColumn(Slicer(Slice(0))); |
---|
| 614 | // // mask spectra for different DIRECTION |
---|
| 615 | // for ( uInt jrow = 0 ; jrow < subt.nrow() ; jrow++ ) { |
---|
| 616 | // Vector<Double> direction = \ |
---|
| 617 | // dircol(jrow).getAngle(Unit(String("rad"))).getValue() ; |
---|
| 618 | // //if ( t[0] != direction[0] || t[1] != direction[1] ) { |
---|
| 619 | // Double dx = t[0] - direction[0]; |
---|
| 620 | // Double dy = t[1] - direction[1]; |
---|
| 621 | // Double dd = sqrt(dx*dx + dy*dy); |
---|
| 622 | // //if ( !allNearAbs( t, direction, tol ) ) { |
---|
| 623 | // if ( dd > tol && in->nbeam() < 2 ) { |
---|
| 624 | // flags[jrow] = userflag ; |
---|
| 625 | // } |
---|
| 626 | // } |
---|
| 627 | // Vector<Float> outspec(nchan); |
---|
| 628 | // Vector<uChar> outflag(nchan,0); |
---|
| 629 | // Vector<Float> outtsys(1);/// @fixme when tsys is channel based |
---|
| 630 | // for (uInt i=0; i<nchan; ++i) { |
---|
| 631 | // Vector<Float> specs = specCol.getColumn(Slicer(Slice(i))); |
---|
| 632 | // MaskedArray<Float> ma = maskedArray(specs,flags); |
---|
| 633 | // outspec[i] = median(ma); |
---|
| 634 | // if ( allEQ(ma.getMask(), False) ) |
---|
| 635 | // outflag[i] = userflag;// flag data |
---|
| 636 | // } |
---|
| 637 | // outtsys[0] = median(tsysCol.getColumn()); |
---|
| 638 | // specColOut.put(outrowCount+irow, outspec); |
---|
| 639 | // flagColOut.put(outrowCount+irow, outflag); |
---|
| 640 | // tsysColOut.put(outrowCount+irow, outtsys); |
---|
| 641 | // Vector<Double> integ = intCol.getColumn() ; |
---|
| 642 | // MaskedArray<Double> mi = maskedArray( integ, flags ) ; |
---|
| 643 | // Double intsum = sum(mi); |
---|
| 644 | // intColOut.put(outrowCount+irow, intsum); |
---|
| 645 | // } |
---|
| 646 | // outrowCount += rowNum ; |
---|
[1819] | 647 | // ++iter; |
---|
[1069] | 648 | } |
---|
| 649 | return out; |
---|
| 650 | } |
---|
| 651 | |
---|
[805] | 652 | CountedPtr< Scantable > STMath::getScantable(const CountedPtr< Scantable >& in, |
---|
| 653 | bool droprows) |
---|
[185] | 654 | { |
---|
[1505] | 655 | if (insitu_) { |
---|
| 656 | return in; |
---|
| 657 | } |
---|
[805] | 658 | else { |
---|
| 659 | // clone |
---|
[1505] | 660 | return CountedPtr<Scantable>(new Scantable(*in, Bool(droprows))); |
---|
[234] | 661 | } |
---|
[805] | 662 | } |
---|
[234] | 663 | |
---|
[805] | 664 | CountedPtr< Scantable > STMath::unaryOperate( const CountedPtr< Scantable >& in, |
---|
| 665 | float val, |
---|
| 666 | const std::string& mode, |
---|
| 667 | bool tsys ) |
---|
| 668 | { |
---|
| 669 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 670 | Table& tab = out->table(); |
---|
| 671 | ArrayColumn<Float> specCol(tab,"SPECTRA"); |
---|
| 672 | ArrayColumn<Float> tsysCol(tab,"TSYS"); |
---|
[2143] | 673 | if (mode=="DIV") val = 1.0/val ; |
---|
| 674 | else if (mode=="SUB") val *= -1.0 ; |
---|
[805] | 675 | for (uInt i=0; i<tab.nrow(); ++i) { |
---|
| 676 | Vector<Float> spec; |
---|
| 677 | Vector<Float> ts; |
---|
| 678 | specCol.get(i, spec); |
---|
| 679 | tsysCol.get(i, ts); |
---|
[1308] | 680 | if (mode == "MUL" || mode == "DIV") { |
---|
[2143] | 681 | //if (mode == "DIV") val = 1.0/val; |
---|
[805] | 682 | spec *= val; |
---|
| 683 | specCol.put(i, spec); |
---|
| 684 | if ( tsys ) { |
---|
| 685 | ts *= val; |
---|
| 686 | tsysCol.put(i, ts); |
---|
| 687 | } |
---|
[1308] | 688 | } else if ( mode == "ADD" || mode == "SUB") { |
---|
[2143] | 689 | //if (mode == "SUB") val *= -1.0; |
---|
[805] | 690 | spec += val; |
---|
| 691 | specCol.put(i, spec); |
---|
| 692 | if ( tsys ) { |
---|
| 693 | ts += val; |
---|
| 694 | tsysCol.put(i, ts); |
---|
| 695 | } |
---|
| 696 | } |
---|
[234] | 697 | } |
---|
[805] | 698 | return out; |
---|
| 699 | } |
---|
[234] | 700 | |
---|
[1819] | 701 | CountedPtr< Scantable > STMath::arrayOperate( const CountedPtr< Scantable >& in, |
---|
| 702 | const std::vector<float> val, |
---|
| 703 | const std::string& mode, |
---|
| 704 | const std::string& opmode, |
---|
| 705 | bool tsys ) |
---|
| 706 | { |
---|
| 707 | CountedPtr< Scantable > out ; |
---|
| 708 | if ( opmode == "channel" ) { |
---|
| 709 | out = arrayOperateChannel( in, val, mode, tsys ) ; |
---|
| 710 | } |
---|
| 711 | else if ( opmode == "row" ) { |
---|
| 712 | out = arrayOperateRow( in, val, mode, tsys ) ; |
---|
| 713 | } |
---|
| 714 | else { |
---|
| 715 | throw( AipsError( "Unknown array operation mode." ) ) ; |
---|
| 716 | } |
---|
| 717 | return out ; |
---|
| 718 | } |
---|
| 719 | |
---|
| 720 | CountedPtr< Scantable > STMath::arrayOperateChannel( const CountedPtr< Scantable >& in, |
---|
| 721 | const std::vector<float> val, |
---|
| 722 | const std::string& mode, |
---|
| 723 | bool tsys ) |
---|
| 724 | { |
---|
| 725 | if ( val.size() == 1 ){ |
---|
| 726 | return unaryOperate( in, val[0], mode, tsys ) ; |
---|
| 727 | } |
---|
| 728 | |
---|
| 729 | // conformity of SPECTRA and TSYS |
---|
| 730 | if ( tsys ) { |
---|
| 731 | TableIterator titer(in->table(), "IFNO"); |
---|
| 732 | while ( !titer.pastEnd() ) { |
---|
| 733 | ArrayColumn<Float> specCol( in->table(), "SPECTRA" ) ; |
---|
| 734 | ArrayColumn<Float> tsysCol( in->table(), "TSYS" ) ; |
---|
| 735 | Array<Float> spec = specCol.getColumn() ; |
---|
| 736 | Array<Float> ts = tsysCol.getColumn() ; |
---|
| 737 | if ( !spec.conform( ts ) ) { |
---|
| 738 | throw( AipsError( "SPECTRA and TSYS must conform in shape if you want to apply operation on Tsys." ) ) ; |
---|
| 739 | } |
---|
| 740 | titer.next() ; |
---|
| 741 | } |
---|
| 742 | } |
---|
| 743 | |
---|
| 744 | // check if all spectra in the scantable have the same number of channel |
---|
| 745 | vector<uInt> nchans; |
---|
| 746 | vector<uInt> ifnos = in->getIFNos() ; |
---|
| 747 | for ( uInt i = 0 ; i < ifnos.size() ; i++ ) { |
---|
| 748 | nchans.push_back( in->nchan( ifnos[i] ) ) ; |
---|
| 749 | } |
---|
| 750 | Vector<uInt> mchans( nchans ) ; |
---|
| 751 | if ( anyNE( mchans, mchans[0] ) ) { |
---|
| 752 | throw( AipsError("All spectra in the input scantable must have the same number of channel for vector operation." ) ) ; |
---|
| 753 | } |
---|
| 754 | |
---|
| 755 | // check if vector size is equal to nchan |
---|
| 756 | Vector<Float> fact( val ) ; |
---|
| 757 | if ( fact.nelements() != mchans[0] ) { |
---|
| 758 | throw( AipsError("Vector size must be 1 or be same as number of channel.") ) ; |
---|
| 759 | } |
---|
| 760 | |
---|
| 761 | // check divided by zero |
---|
| 762 | if ( ( mode == "DIV" ) && anyEQ( fact, (float)0.0 ) ) { |
---|
| 763 | throw( AipsError("Divided by zero is not recommended." ) ) ; |
---|
| 764 | } |
---|
| 765 | |
---|
| 766 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 767 | Table& tab = out->table(); |
---|
| 768 | ArrayColumn<Float> specCol(tab,"SPECTRA"); |
---|
| 769 | ArrayColumn<Float> tsysCol(tab,"TSYS"); |
---|
[2143] | 770 | if (mode == "DIV") fact = (float)1.0 / fact; |
---|
| 771 | else if (mode == "SUB") fact *= (float)-1.0 ; |
---|
[1819] | 772 | for (uInt i=0; i<tab.nrow(); ++i) { |
---|
| 773 | Vector<Float> spec; |
---|
| 774 | Vector<Float> ts; |
---|
| 775 | specCol.get(i, spec); |
---|
| 776 | tsysCol.get(i, ts); |
---|
| 777 | if (mode == "MUL" || mode == "DIV") { |
---|
[2143] | 778 | //if (mode == "DIV") fact = (float)1.0 / fact; |
---|
[1819] | 779 | spec *= fact; |
---|
| 780 | specCol.put(i, spec); |
---|
| 781 | if ( tsys ) { |
---|
| 782 | ts *= fact; |
---|
| 783 | tsysCol.put(i, ts); |
---|
| 784 | } |
---|
| 785 | } else if ( mode == "ADD" || mode == "SUB") { |
---|
[2143] | 786 | //if (mode == "SUB") fact *= (float)-1.0 ; |
---|
[1819] | 787 | spec += fact; |
---|
| 788 | specCol.put(i, spec); |
---|
| 789 | if ( tsys ) { |
---|
| 790 | ts += fact; |
---|
| 791 | tsysCol.put(i, ts); |
---|
| 792 | } |
---|
| 793 | } |
---|
| 794 | } |
---|
| 795 | return out; |
---|
| 796 | } |
---|
| 797 | |
---|
| 798 | CountedPtr< Scantable > STMath::arrayOperateRow( const CountedPtr< Scantable >& in, |
---|
| 799 | const std::vector<float> val, |
---|
| 800 | const std::string& mode, |
---|
| 801 | bool tsys ) |
---|
| 802 | { |
---|
| 803 | if ( val.size() == 1 ) { |
---|
| 804 | return unaryOperate( in, val[0], mode, tsys ) ; |
---|
| 805 | } |
---|
| 806 | |
---|
| 807 | // conformity of SPECTRA and TSYS |
---|
| 808 | if ( tsys ) { |
---|
| 809 | TableIterator titer(in->table(), "IFNO"); |
---|
| 810 | while ( !titer.pastEnd() ) { |
---|
| 811 | ArrayColumn<Float> specCol( in->table(), "SPECTRA" ) ; |
---|
| 812 | ArrayColumn<Float> tsysCol( in->table(), "TSYS" ) ; |
---|
| 813 | Array<Float> spec = specCol.getColumn() ; |
---|
| 814 | Array<Float> ts = tsysCol.getColumn() ; |
---|
| 815 | if ( !spec.conform( ts ) ) { |
---|
| 816 | throw( AipsError( "SPECTRA and TSYS must conform in shape if you want to apply operation on Tsys." ) ) ; |
---|
| 817 | } |
---|
| 818 | titer.next() ; |
---|
| 819 | } |
---|
| 820 | } |
---|
| 821 | |
---|
| 822 | // check if vector size is equal to nrow |
---|
| 823 | Vector<Float> fact( val ) ; |
---|
[2125] | 824 | if (fact.nelements() != uInt(in->nrow())) { |
---|
[1819] | 825 | throw( AipsError("Vector size must be 1 or be same as number of row.") ) ; |
---|
| 826 | } |
---|
| 827 | |
---|
| 828 | // check divided by zero |
---|
| 829 | if ( ( mode == "DIV" ) && anyEQ( fact, (float)0.0 ) ) { |
---|
| 830 | throw( AipsError("Divided by zero is not recommended." ) ) ; |
---|
| 831 | } |
---|
| 832 | |
---|
| 833 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 834 | Table& tab = out->table(); |
---|
| 835 | ArrayColumn<Float> specCol(tab,"SPECTRA"); |
---|
| 836 | ArrayColumn<Float> tsysCol(tab,"TSYS"); |
---|
| 837 | if (mode == "DIV") fact = (float)1.0 / fact; |
---|
| 838 | if (mode == "SUB") fact *= (float)-1.0 ; |
---|
| 839 | for (uInt i=0; i<tab.nrow(); ++i) { |
---|
| 840 | Vector<Float> spec; |
---|
| 841 | Vector<Float> ts; |
---|
| 842 | specCol.get(i, spec); |
---|
| 843 | tsysCol.get(i, ts); |
---|
| 844 | if (mode == "MUL" || mode == "DIV") { |
---|
| 845 | spec *= fact[i]; |
---|
| 846 | specCol.put(i, spec); |
---|
| 847 | if ( tsys ) { |
---|
| 848 | ts *= fact[i]; |
---|
| 849 | tsysCol.put(i, ts); |
---|
| 850 | } |
---|
| 851 | } else if ( mode == "ADD" || mode == "SUB") { |
---|
| 852 | spec += fact[i]; |
---|
| 853 | specCol.put(i, spec); |
---|
| 854 | if ( tsys ) { |
---|
| 855 | ts += fact[i]; |
---|
| 856 | tsysCol.put(i, ts); |
---|
| 857 | } |
---|
| 858 | } |
---|
| 859 | } |
---|
| 860 | return out; |
---|
| 861 | } |
---|
| 862 | |
---|
| 863 | CountedPtr< Scantable > STMath::array2dOperate( const CountedPtr< Scantable >& in, |
---|
| 864 | const std::vector< std::vector<float> > val, |
---|
| 865 | const std::string& mode, |
---|
| 866 | bool tsys ) |
---|
| 867 | { |
---|
| 868 | // conformity of SPECTRA and TSYS |
---|
| 869 | if ( tsys ) { |
---|
| 870 | TableIterator titer(in->table(), "IFNO"); |
---|
| 871 | while ( !titer.pastEnd() ) { |
---|
| 872 | ArrayColumn<Float> specCol( in->table(), "SPECTRA" ) ; |
---|
| 873 | ArrayColumn<Float> tsysCol( in->table(), "TSYS" ) ; |
---|
| 874 | Array<Float> spec = specCol.getColumn() ; |
---|
| 875 | Array<Float> ts = tsysCol.getColumn() ; |
---|
| 876 | if ( !spec.conform( ts ) ) { |
---|
| 877 | throw( AipsError( "SPECTRA and TSYS must conform in shape if you want to apply operation on Tsys." ) ) ; |
---|
| 878 | } |
---|
| 879 | titer.next() ; |
---|
| 880 | } |
---|
| 881 | } |
---|
| 882 | |
---|
| 883 | // some checks |
---|
| 884 | vector<uInt> nchans; |
---|
[2125] | 885 | for (Int i = 0 ; i < in->nrow() ; i++) { |
---|
| 886 | nchans.push_back((in->getSpectrum(i)).size()); |
---|
[1819] | 887 | } |
---|
| 888 | //Vector<uInt> mchans( nchans ) ; |
---|
| 889 | vector< Vector<Float> > facts ; |
---|
| 890 | for ( uInt i = 0 ; i < nchans.size() ; i++ ) { |
---|
| 891 | Vector<Float> tmp( val[i] ) ; |
---|
| 892 | // check divided by zero |
---|
| 893 | if ( ( mode == "DIV" ) && anyEQ( tmp, (float)0.0 ) ) { |
---|
| 894 | throw( AipsError("Divided by zero is not recommended." ) ) ; |
---|
| 895 | } |
---|
| 896 | // conformity check |
---|
| 897 | if ( tmp.nelements() != nchans[i] ) { |
---|
| 898 | stringstream ss ; |
---|
| 899 | ss << "Row " << i << ": Vector size must be same as number of channel." ; |
---|
| 900 | throw( AipsError( ss.str() ) ) ; |
---|
| 901 | } |
---|
| 902 | facts.push_back( tmp ) ; |
---|
| 903 | } |
---|
| 904 | |
---|
| 905 | |
---|
| 906 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 907 | Table& tab = out->table(); |
---|
| 908 | ArrayColumn<Float> specCol(tab,"SPECTRA"); |
---|
| 909 | ArrayColumn<Float> tsysCol(tab,"TSYS"); |
---|
| 910 | for (uInt i=0; i<tab.nrow(); ++i) { |
---|
| 911 | Vector<Float> fact = facts[i] ; |
---|
| 912 | Vector<Float> spec; |
---|
| 913 | Vector<Float> ts; |
---|
| 914 | specCol.get(i, spec); |
---|
| 915 | tsysCol.get(i, ts); |
---|
| 916 | if (mode == "MUL" || mode == "DIV") { |
---|
| 917 | if (mode == "DIV") fact = (float)1.0 / fact; |
---|
| 918 | spec *= fact; |
---|
| 919 | specCol.put(i, spec); |
---|
| 920 | if ( tsys ) { |
---|
| 921 | ts *= fact; |
---|
| 922 | tsysCol.put(i, ts); |
---|
| 923 | } |
---|
| 924 | } else if ( mode == "ADD" || mode == "SUB") { |
---|
| 925 | if (mode == "SUB") fact *= (float)-1.0 ; |
---|
| 926 | spec += fact; |
---|
| 927 | specCol.put(i, spec); |
---|
| 928 | if ( tsys ) { |
---|
| 929 | ts += fact; |
---|
| 930 | tsysCol.put(i, ts); |
---|
| 931 | } |
---|
| 932 | } |
---|
| 933 | } |
---|
| 934 | return out; |
---|
| 935 | } |
---|
| 936 | |
---|
[1569] | 937 | CountedPtr<Scantable> STMath::binaryOperate(const CountedPtr<Scantable>& left, |
---|
| 938 | const CountedPtr<Scantable>& right, |
---|
[1308] | 939 | const std::string& mode) |
---|
| 940 | { |
---|
| 941 | bool insitu = insitu_; |
---|
| 942 | if ( ! left->conformant(*right) ) { |
---|
| 943 | throw(AipsError("'left' and 'right' scantables are not conformant.")); |
---|
| 944 | } |
---|
| 945 | setInsitu(false); |
---|
| 946 | CountedPtr< Scantable > out = getScantable(left, false); |
---|
| 947 | setInsitu(insitu); |
---|
| 948 | Table& tout = out->table(); |
---|
| 949 | Block<String> coln(5); |
---|
| 950 | coln[0] = "SCANNO"; coln[1] = "CYCLENO"; coln[2] = "BEAMNO"; |
---|
| 951 | coln[3] = "IFNO"; coln[4] = "POLNO"; |
---|
| 952 | Table tmpl = tout.sort(coln); |
---|
| 953 | Table tmpr = right->table().sort(coln); |
---|
| 954 | ArrayColumn<Float> lspecCol(tmpl,"SPECTRA"); |
---|
| 955 | ROArrayColumn<Float> rspecCol(tmpr,"SPECTRA"); |
---|
| 956 | ArrayColumn<uChar> lflagCol(tmpl,"FLAGTRA"); |
---|
| 957 | ROArrayColumn<uChar> rflagCol(tmpr,"FLAGTRA"); |
---|
| 958 | |
---|
| 959 | for (uInt i=0; i<tout.nrow(); ++i) { |
---|
| 960 | Vector<Float> lspecvec, rspecvec; |
---|
| 961 | Vector<uChar> lflagvec, rflagvec; |
---|
| 962 | lspecvec = lspecCol(i); rspecvec = rspecCol(i); |
---|
| 963 | lflagvec = lflagCol(i); rflagvec = rflagCol(i); |
---|
| 964 | MaskedArray<Float> mleft = maskedArray(lspecvec, lflagvec); |
---|
| 965 | MaskedArray<Float> mright = maskedArray(rspecvec, rflagvec); |
---|
| 966 | if (mode == "ADD") { |
---|
| 967 | mleft += mright; |
---|
| 968 | } else if ( mode == "SUB") { |
---|
| 969 | mleft -= mright; |
---|
| 970 | } else if ( mode == "MUL") { |
---|
| 971 | mleft *= mright; |
---|
| 972 | } else if ( mode == "DIV") { |
---|
| 973 | mleft /= mright; |
---|
| 974 | } else { |
---|
| 975 | throw(AipsError("Illegal binary operator")); |
---|
| 976 | } |
---|
| 977 | lspecCol.put(i, mleft.getArray()); |
---|
| 978 | } |
---|
| 979 | return out; |
---|
| 980 | } |
---|
| 981 | |
---|
| 982 | |
---|
| 983 | |
---|
[805] | 984 | MaskedArray<Float> STMath::maskedArray( const Vector<Float>& s, |
---|
| 985 | const Vector<uChar>& f) |
---|
| 986 | { |
---|
| 987 | Vector<Bool> mask; |
---|
| 988 | mask.resize(f.shape()); |
---|
| 989 | convertArray(mask, f); |
---|
| 990 | return MaskedArray<Float>(s,!mask); |
---|
| 991 | } |
---|
[248] | 992 | |
---|
[1819] | 993 | MaskedArray<Double> STMath::maskedArray( const Vector<Double>& s, |
---|
| 994 | const Vector<uChar>& f) |
---|
| 995 | { |
---|
| 996 | Vector<Bool> mask; |
---|
| 997 | mask.resize(f.shape()); |
---|
| 998 | convertArray(mask, f); |
---|
| 999 | return MaskedArray<Double>(s,!mask); |
---|
| 1000 | } |
---|
| 1001 | |
---|
[805] | 1002 | Vector<uChar> STMath::flagsFromMA(const MaskedArray<Float>& ma) |
---|
| 1003 | { |
---|
| 1004 | const Vector<Bool>& m = ma.getMask(); |
---|
| 1005 | Vector<uChar> flags(m.shape()); |
---|
| 1006 | convertArray(flags, !m); |
---|
| 1007 | return flags; |
---|
| 1008 | } |
---|
[234] | 1009 | |
---|
[1066] | 1010 | CountedPtr< Scantable > STMath::autoQuotient( const CountedPtr< Scantable >& in, |
---|
| 1011 | const std::string & mode, |
---|
| 1012 | bool preserve ) |
---|
[805] | 1013 | { |
---|
| 1014 | /// @todo make other modes available |
---|
| 1015 | /// modes should be "nearest", "pair" |
---|
| 1016 | // make this operation non insitu |
---|
[2163] | 1017 | (void) mode; //currently unused |
---|
[805] | 1018 | const Table& tin = in->table(); |
---|
[1819] | 1019 | Table ons = tin(tin.col("SRCTYPE") == Int(SrcType::PSON)); |
---|
| 1020 | Table offs = tin(tin.col("SRCTYPE") == Int(SrcType::PSOFF)); |
---|
[805] | 1021 | if ( offs.nrow() == 0 ) |
---|
| 1022 | throw(AipsError("No 'off' scans present.")); |
---|
| 1023 | // put all "on" scans into output table |
---|
[701] | 1024 | |
---|
[805] | 1025 | bool insitu = insitu_; |
---|
| 1026 | setInsitu(false); |
---|
| 1027 | CountedPtr< Scantable > out = getScantable(in, true); |
---|
| 1028 | setInsitu(insitu); |
---|
| 1029 | Table& tout = out->table(); |
---|
[248] | 1030 | |
---|
[805] | 1031 | TableCopy::copyRows(tout, ons); |
---|
| 1032 | TableRow row(tout); |
---|
| 1033 | ROScalarColumn<Double> offtimeCol(offs, "TIME"); |
---|
| 1034 | ArrayColumn<Float> outspecCol(tout, "SPECTRA"); |
---|
| 1035 | ROArrayColumn<Float> outtsysCol(tout, "TSYS"); |
---|
| 1036 | ArrayColumn<uChar> outflagCol(tout, "FLAGTRA"); |
---|
| 1037 | for (uInt i=0; i < tout.nrow(); ++i) { |
---|
| 1038 | const TableRecord& rec = row.get(i); |
---|
| 1039 | Double ontime = rec.asDouble("TIME"); |
---|
[1321] | 1040 | Table presel = offs(offs.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
| 1041 | && offs.col("IFNO") == Int(rec.asuInt("IFNO")) |
---|
| 1042 | && offs.col("POLNO") == Int(rec.asuInt("POLNO")) ); |
---|
| 1043 | ROScalarColumn<Double> offtimeCol(presel, "TIME"); |
---|
| 1044 | |
---|
[805] | 1045 | Double mindeltat = min(abs(offtimeCol.getColumn() - ontime)); |
---|
[1259] | 1046 | // Timestamp may vary within a cycle ???!!! |
---|
[1321] | 1047 | // increase this by 0.01 sec in case of rounding errors... |
---|
[1259] | 1048 | // There might be a better way to do this. |
---|
[1321] | 1049 | // fix to this fix. TIME is MJD, so 1.0d not 1.0s |
---|
| 1050 | mindeltat += 0.01/24./60./60.; |
---|
| 1051 | Table sel = presel( abs(presel.col("TIME")-ontime) <= mindeltat); |
---|
[780] | 1052 | |
---|
[1259] | 1053 | if ( sel.nrow() < 1 ) { |
---|
| 1054 | throw(AipsError("No closest in time found... This could be a rounding " |
---|
| 1055 | "issue. Try quotient instead.")); |
---|
| 1056 | } |
---|
[805] | 1057 | TableRow offrow(sel); |
---|
| 1058 | const TableRecord& offrec = offrow.get(0);//should only be one row |
---|
| 1059 | RORecordFieldPtr< Array<Float> > specoff(offrec, "SPECTRA"); |
---|
| 1060 | RORecordFieldPtr< Array<Float> > tsysoff(offrec, "TSYS"); |
---|
| 1061 | RORecordFieldPtr< Array<uChar> > flagoff(offrec, "FLAGTRA"); |
---|
| 1062 | /// @fixme this assumes tsys is a scalar not vector |
---|
| 1063 | Float tsysoffscalar = (*tsysoff)(IPosition(1,0)); |
---|
| 1064 | Vector<Float> specon, tsyson; |
---|
| 1065 | outtsysCol.get(i, tsyson); |
---|
| 1066 | outspecCol.get(i, specon); |
---|
| 1067 | Vector<uChar> flagon; |
---|
| 1068 | outflagCol.get(i, flagon); |
---|
| 1069 | MaskedArray<Float> mon = maskedArray(specon, flagon); |
---|
| 1070 | MaskedArray<Float> moff = maskedArray(*specoff, *flagoff); |
---|
| 1071 | MaskedArray<Float> quot = (tsysoffscalar * mon / moff); |
---|
| 1072 | if (preserve) { |
---|
| 1073 | quot -= tsysoffscalar; |
---|
| 1074 | } else { |
---|
| 1075 | quot -= tsyson[0]; |
---|
[701] | 1076 | } |
---|
[805] | 1077 | outspecCol.put(i, quot.getArray()); |
---|
| 1078 | outflagCol.put(i, flagsFromMA(quot)); |
---|
| 1079 | } |
---|
[926] | 1080 | // renumber scanno |
---|
| 1081 | TableIterator it(tout, "SCANNO"); |
---|
| 1082 | uInt i = 0; |
---|
| 1083 | while ( !it.pastEnd() ) { |
---|
| 1084 | Table t = it.table(); |
---|
| 1085 | TableVector<uInt> vec(t, "SCANNO"); |
---|
| 1086 | vec = i; |
---|
| 1087 | ++i; |
---|
| 1088 | ++it; |
---|
| 1089 | } |
---|
[805] | 1090 | return out; |
---|
| 1091 | } |
---|
[234] | 1092 | |
---|
[1066] | 1093 | |
---|
| 1094 | CountedPtr< Scantable > STMath::quotient( const CountedPtr< Scantable > & on, |
---|
| 1095 | const CountedPtr< Scantable > & off, |
---|
| 1096 | bool preserve ) |
---|
| 1097 | { |
---|
| 1098 | bool insitu = insitu_; |
---|
[1069] | 1099 | if ( ! on->conformant(*off) ) { |
---|
| 1100 | throw(AipsError("'on' and 'off' scantables are not conformant.")); |
---|
| 1101 | } |
---|
[1066] | 1102 | setInsitu(false); |
---|
| 1103 | CountedPtr< Scantable > out = getScantable(on, false); |
---|
| 1104 | setInsitu(insitu); |
---|
| 1105 | Table& tout = out->table(); |
---|
| 1106 | const Table& toff = off->table(); |
---|
| 1107 | TableIterator sit(tout, "SCANNO"); |
---|
| 1108 | TableIterator s2it(toff, "SCANNO"); |
---|
| 1109 | while ( !sit.pastEnd() ) { |
---|
| 1110 | Table ton = sit.table(); |
---|
| 1111 | TableRow row(ton); |
---|
| 1112 | Table t = s2it.table(); |
---|
| 1113 | ArrayColumn<Float> outspecCol(ton, "SPECTRA"); |
---|
| 1114 | ROArrayColumn<Float> outtsysCol(ton, "TSYS"); |
---|
| 1115 | ArrayColumn<uChar> outflagCol(ton, "FLAGTRA"); |
---|
| 1116 | for (uInt i=0; i < ton.nrow(); ++i) { |
---|
| 1117 | const TableRecord& rec = row.get(i); |
---|
| 1118 | Table offsel = t( t.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
| 1119 | && t.col("IFNO") == Int(rec.asuInt("IFNO")) |
---|
| 1120 | && t.col("POLNO") == Int(rec.asuInt("POLNO")) ); |
---|
[1145] | 1121 | if ( offsel.nrow() == 0 ) |
---|
| 1122 | throw AipsError("STMath::quotient: no matching off"); |
---|
[1066] | 1123 | TableRow offrow(offsel); |
---|
| 1124 | const TableRecord& offrec = offrow.get(0);//should be ncycles - take first |
---|
| 1125 | RORecordFieldPtr< Array<Float> > specoff(offrec, "SPECTRA"); |
---|
| 1126 | RORecordFieldPtr< Array<Float> > tsysoff(offrec, "TSYS"); |
---|
| 1127 | RORecordFieldPtr< Array<uChar> > flagoff(offrec, "FLAGTRA"); |
---|
| 1128 | Float tsysoffscalar = (*tsysoff)(IPosition(1,0)); |
---|
| 1129 | Vector<Float> specon, tsyson; |
---|
| 1130 | outtsysCol.get(i, tsyson); |
---|
| 1131 | outspecCol.get(i, specon); |
---|
| 1132 | Vector<uChar> flagon; |
---|
| 1133 | outflagCol.get(i, flagon); |
---|
| 1134 | MaskedArray<Float> mon = maskedArray(specon, flagon); |
---|
| 1135 | MaskedArray<Float> moff = maskedArray(*specoff, *flagoff); |
---|
| 1136 | MaskedArray<Float> quot = (tsysoffscalar * mon / moff); |
---|
| 1137 | if (preserve) { |
---|
| 1138 | quot -= tsysoffscalar; |
---|
| 1139 | } else { |
---|
| 1140 | quot -= tsyson[0]; |
---|
| 1141 | } |
---|
| 1142 | outspecCol.put(i, quot.getArray()); |
---|
| 1143 | outflagCol.put(i, flagsFromMA(quot)); |
---|
| 1144 | } |
---|
| 1145 | ++sit; |
---|
| 1146 | ++s2it; |
---|
| 1147 | // take the first off for each on scan which doesn't have a |
---|
| 1148 | // matching off scan |
---|
| 1149 | // non <= noff: matching pairs, non > noff matching pairs then first off |
---|
| 1150 | if ( s2it.pastEnd() ) s2it.reset(); |
---|
| 1151 | } |
---|
| 1152 | return out; |
---|
| 1153 | } |
---|
| 1154 | |
---|
[1391] | 1155 | // dototalpower (migration of GBTIDL procedure dototalpower.pro) |
---|
| 1156 | // calibrate the CAL on-off pair. It calculate Tsys and average CAL on-off subintegrations |
---|
| 1157 | // do it for each cycles in a specific scan. |
---|
| 1158 | CountedPtr< Scantable > STMath::dototalpower( const CountedPtr< Scantable >& calon, |
---|
| 1159 | const CountedPtr< Scantable >& caloff, Float tcal ) |
---|
| 1160 | { |
---|
[2289] | 1161 | if ( ! calon->conformant(*caloff) ) { |
---|
[1391] | 1162 | throw(AipsError("'CAL on' and 'CAL off' scantables are not conformant.")); |
---|
| 1163 | } |
---|
| 1164 | setInsitu(false); |
---|
| 1165 | CountedPtr< Scantable > out = getScantable(caloff, false); |
---|
| 1166 | Table& tout = out->table(); |
---|
| 1167 | const Table& tcon = calon->table(); |
---|
| 1168 | Vector<Float> tcalout; |
---|
[1066] | 1169 | |
---|
[2289] | 1170 | std::map<uInt,uInt> tcalIdToRecNoMap; |
---|
| 1171 | const Table& calOffTcalTable = caloff->tcal().table(); |
---|
| 1172 | { |
---|
| 1173 | ROScalarColumn<uInt> calOffTcalTable_IDcol(calOffTcalTable, "ID"); |
---|
| 1174 | const Vector<uInt> tcalIds(calOffTcalTable_IDcol.getColumn()); |
---|
| 1175 | size_t tcalIdsEnd = tcalIds.nelements(); |
---|
| 1176 | for (uInt i = 0; i < tcalIdsEnd; i++) { |
---|
| 1177 | tcalIdToRecNoMap[tcalIds[i]] = i; |
---|
| 1178 | } |
---|
| 1179 | } |
---|
| 1180 | ROArrayColumn<Float> calOffTcalTable_TCALcol(calOffTcalTable, "TCAL"); |
---|
| 1181 | |
---|
[1391] | 1182 | if ( tout.nrow() != tcon.nrow() ) { |
---|
| 1183 | throw(AipsError("Mismatch in number of rows to form cal on - off pair.")); |
---|
| 1184 | } |
---|
| 1185 | // iteration by scanno or cycle no. |
---|
| 1186 | TableIterator sit(tout, "SCANNO"); |
---|
| 1187 | TableIterator s2it(tcon, "SCANNO"); |
---|
| 1188 | while ( !sit.pastEnd() ) { |
---|
| 1189 | Table toff = sit.table(); |
---|
| 1190 | TableRow row(toff); |
---|
| 1191 | Table t = s2it.table(); |
---|
| 1192 | ScalarColumn<Double> outintCol(toff, "INTERVAL"); |
---|
| 1193 | ArrayColumn<Float> outspecCol(toff, "SPECTRA"); |
---|
| 1194 | ArrayColumn<Float> outtsysCol(toff, "TSYS"); |
---|
| 1195 | ArrayColumn<uChar> outflagCol(toff, "FLAGTRA"); |
---|
| 1196 | ROScalarColumn<uInt> outtcalIdCol(toff, "TCAL_ID"); |
---|
| 1197 | ROScalarColumn<uInt> outpolCol(toff, "POLNO"); |
---|
| 1198 | ROScalarColumn<Double> onintCol(t, "INTERVAL"); |
---|
| 1199 | ROArrayColumn<Float> onspecCol(t, "SPECTRA"); |
---|
| 1200 | ROArrayColumn<Float> ontsysCol(t, "TSYS"); |
---|
| 1201 | ROArrayColumn<uChar> onflagCol(t, "FLAGTRA"); |
---|
| 1202 | //ROScalarColumn<uInt> ontcalIdCol(t, "TCAL_ID"); |
---|
| 1203 | |
---|
| 1204 | for (uInt i=0; i < toff.nrow(); ++i) { |
---|
| 1205 | //skip these checks -> assumes the data order are the same between the cal on off pairs |
---|
| 1206 | // |
---|
| 1207 | Vector<Float> specCalon, specCaloff; |
---|
| 1208 | // to store scalar (mean) tsys |
---|
| 1209 | Vector<Float> tsysout(1); |
---|
| 1210 | uInt tcalId, polno; |
---|
| 1211 | Double offint, onint; |
---|
| 1212 | outpolCol.get(i, polno); |
---|
| 1213 | outspecCol.get(i, specCaloff); |
---|
| 1214 | onspecCol.get(i, specCalon); |
---|
| 1215 | Vector<uChar> flagCaloff, flagCalon; |
---|
| 1216 | outflagCol.get(i, flagCaloff); |
---|
| 1217 | onflagCol.get(i, flagCalon); |
---|
| 1218 | outtcalIdCol.get(i, tcalId); |
---|
| 1219 | outintCol.get(i, offint); |
---|
| 1220 | onintCol.get(i, onint); |
---|
| 1221 | // caluculate mean Tsys |
---|
| 1222 | uInt nchan = specCaloff.nelements(); |
---|
| 1223 | // percentage of edge cut off |
---|
| 1224 | uInt pc = 10; |
---|
| 1225 | uInt bchan = nchan/pc; |
---|
| 1226 | uInt echan = nchan-bchan; |
---|
| 1227 | |
---|
| 1228 | Slicer chansl(IPosition(1,bchan-1), IPosition(1,echan-1), IPosition(1,1),Slicer::endIsLast); |
---|
| 1229 | Vector<Float> testsubsp = specCaloff(chansl); |
---|
| 1230 | MaskedArray<Float> spoff = maskedArray( specCaloff(chansl),flagCaloff(chansl) ); |
---|
| 1231 | MaskedArray<Float> spon = maskedArray( specCalon(chansl),flagCalon(chansl) ); |
---|
| 1232 | MaskedArray<Float> spdiff = spon-spoff; |
---|
| 1233 | uInt noff = spoff.nelementsValid(); |
---|
| 1234 | //uInt non = spon.nelementsValid(); |
---|
| 1235 | uInt ndiff = spdiff.nelementsValid(); |
---|
| 1236 | Float meantsys; |
---|
| 1237 | |
---|
| 1238 | /** |
---|
| 1239 | Double subspec, subdiff; |
---|
| 1240 | uInt usednchan; |
---|
| 1241 | subspec = 0; |
---|
| 1242 | subdiff = 0; |
---|
| 1243 | usednchan = 0; |
---|
| 1244 | for(uInt k=(bchan-1); k<echan; k++) { |
---|
| 1245 | subspec += specCaloff[k]; |
---|
| 1246 | subdiff += static_cast<Double>(specCalon[k]-specCaloff[k]); |
---|
| 1247 | ++usednchan; |
---|
| 1248 | } |
---|
| 1249 | **/ |
---|
| 1250 | // get tcal if input tcal <= 0 |
---|
| 1251 | Float tcalUsed; |
---|
| 1252 | tcalUsed = tcal; |
---|
| 1253 | if ( tcal <= 0.0 ) { |
---|
[2289] | 1254 | uInt tcalRecNo = tcalIdToRecNoMap[tcalId]; |
---|
| 1255 | calOffTcalTable_TCALcol.get(tcalRecNo, tcalout); |
---|
[2004] | 1256 | // if (polno<=3) { |
---|
| 1257 | // tcalUsed = tcalout[polno]; |
---|
| 1258 | // } |
---|
| 1259 | // else { |
---|
| 1260 | // tcalUsed = tcalout[0]; |
---|
| 1261 | // } |
---|
| 1262 | if ( tcalout.size() == 1 ) |
---|
| 1263 | tcalUsed = tcalout[0] ; |
---|
| 1264 | else if ( tcalout.size() == nchan ) |
---|
| 1265 | tcalUsed = mean(tcalout) ; |
---|
[1391] | 1266 | else { |
---|
[2004] | 1267 | uInt ipol = polno ; |
---|
| 1268 | if ( ipol > 3 ) ipol = 0 ; |
---|
| 1269 | tcalUsed = tcalout[ipol] ; |
---|
[1391] | 1270 | } |
---|
| 1271 | } |
---|
| 1272 | |
---|
| 1273 | Float meanoff; |
---|
| 1274 | Float meandiff; |
---|
| 1275 | if (noff && ndiff) { |
---|
| 1276 | //Debug |
---|
| 1277 | //if(noff!=ndiff) cerr<<"noff and ndiff is not equal"<<endl; |
---|
[1819] | 1278 | //LogIO os( LogOrigin( "STMath", "dototalpower()", WHERE ) ) ; |
---|
| 1279 | //if(noff!=ndiff) os<<"noff and ndiff is not equal"<<LogIO::POST; |
---|
[1391] | 1280 | meanoff = sum(spoff)/noff; |
---|
| 1281 | meandiff = sum(spdiff)/ndiff; |
---|
| 1282 | meantsys= (meanoff/meandiff )*tcalUsed + tcalUsed/2; |
---|
| 1283 | } |
---|
| 1284 | else { |
---|
| 1285 | meantsys=1; |
---|
| 1286 | } |
---|
| 1287 | |
---|
| 1288 | tsysout[0] = Float(meantsys); |
---|
| 1289 | MaskedArray<Float> mcaloff = maskedArray(specCaloff, flagCaloff); |
---|
| 1290 | MaskedArray<Float> mcalon = maskedArray(specCalon, flagCalon); |
---|
| 1291 | MaskedArray<Float> sig = Float(0.5) * (mcaloff + mcalon); |
---|
| 1292 | //uInt ncaloff = mcaloff.nelementsValid(); |
---|
| 1293 | //uInt ncalon = mcalon.nelementsValid(); |
---|
| 1294 | |
---|
| 1295 | outintCol.put(i, offint+onint); |
---|
| 1296 | outspecCol.put(i, sig.getArray()); |
---|
| 1297 | outflagCol.put(i, flagsFromMA(sig)); |
---|
| 1298 | outtsysCol.put(i, tsysout); |
---|
| 1299 | } |
---|
| 1300 | ++sit; |
---|
| 1301 | ++s2it; |
---|
| 1302 | } |
---|
| 1303 | return out; |
---|
| 1304 | } |
---|
| 1305 | |
---|
| 1306 | //dosigref - migrated from GBT IDL's dosigref.pro, do calibration of position switch |
---|
| 1307 | // observatiions. |
---|
| 1308 | // input: sig and ref scantables, and an optional boxcar smoothing width(default width=0, |
---|
| 1309 | // no smoothing). |
---|
| 1310 | // output: resultant scantable [= (sig-ref/ref)*tsys] |
---|
| 1311 | CountedPtr< Scantable > STMath::dosigref( const CountedPtr < Scantable >& sig, |
---|
| 1312 | const CountedPtr < Scantable >& ref, |
---|
| 1313 | int smoothref, |
---|
| 1314 | casa::Float tsysv, |
---|
| 1315 | casa::Float tau ) |
---|
| 1316 | { |
---|
[2658] | 1317 | LogIO os( casa::LogOrigin( "STMath", "dosigref()")); |
---|
[1391] | 1318 | if ( ! ref->conformant(*sig) ) { |
---|
| 1319 | throw(AipsError("'sig' and 'ref' scantables are not conformant.")); |
---|
| 1320 | } |
---|
| 1321 | setInsitu(false); |
---|
| 1322 | CountedPtr< Scantable > out = getScantable(sig, false); |
---|
| 1323 | CountedPtr< Scantable > smref; |
---|
| 1324 | if ( smoothref > 1 ) { |
---|
| 1325 | float fsmoothref = static_cast<float>(smoothref); |
---|
| 1326 | std::string inkernel = "boxcar"; |
---|
| 1327 | smref = smooth(ref, inkernel, fsmoothref ); |
---|
| 1328 | ostringstream oss; |
---|
[2658] | 1329 | os <<"Applied smoothing of "<<fsmoothref<<" on the reference." |
---|
| 1330 | << LogIO::POST; |
---|
[1391] | 1331 | } |
---|
| 1332 | else { |
---|
| 1333 | smref = ref; |
---|
| 1334 | } |
---|
| 1335 | Table& tout = out->table(); |
---|
| 1336 | const Table& tref = smref->table(); |
---|
| 1337 | if ( tout.nrow() != tref.nrow() ) { |
---|
| 1338 | throw(AipsError("Mismatch in number of rows to form on-source and reference pair.")); |
---|
| 1339 | } |
---|
| 1340 | // iteration by scanno? or cycle no. |
---|
| 1341 | TableIterator sit(tout, "SCANNO"); |
---|
| 1342 | TableIterator s2it(tref, "SCANNO"); |
---|
| 1343 | while ( !sit.pastEnd() ) { |
---|
| 1344 | Table ton = sit.table(); |
---|
| 1345 | Table t = s2it.table(); |
---|
| 1346 | ScalarColumn<Double> outintCol(ton, "INTERVAL"); |
---|
| 1347 | ArrayColumn<Float> outspecCol(ton, "SPECTRA"); |
---|
| 1348 | ArrayColumn<Float> outtsysCol(ton, "TSYS"); |
---|
| 1349 | ArrayColumn<uChar> outflagCol(ton, "FLAGTRA"); |
---|
| 1350 | ArrayColumn<Float> refspecCol(t, "SPECTRA"); |
---|
| 1351 | ROScalarColumn<Double> refintCol(t, "INTERVAL"); |
---|
| 1352 | ROArrayColumn<Float> reftsysCol(t, "TSYS"); |
---|
| 1353 | ArrayColumn<uChar> refflagCol(t, "FLAGTRA"); |
---|
| 1354 | ROScalarColumn<Float> refelevCol(t, "ELEVATION"); |
---|
| 1355 | for (uInt i=0; i < ton.nrow(); ++i) { |
---|
| 1356 | |
---|
| 1357 | Double onint, refint; |
---|
| 1358 | Vector<Float> specon, specref; |
---|
| 1359 | // to store scalar (mean) tsys |
---|
| 1360 | Vector<Float> tsysref; |
---|
| 1361 | outintCol.get(i, onint); |
---|
| 1362 | refintCol.get(i, refint); |
---|
| 1363 | outspecCol.get(i, specon); |
---|
| 1364 | refspecCol.get(i, specref); |
---|
| 1365 | Vector<uChar> flagref, flagon; |
---|
| 1366 | outflagCol.get(i, flagon); |
---|
| 1367 | refflagCol.get(i, flagref); |
---|
| 1368 | reftsysCol.get(i, tsysref); |
---|
| 1369 | |
---|
| 1370 | Float tsysrefscalar; |
---|
| 1371 | if ( tsysv > 0.0 ) { |
---|
| 1372 | ostringstream oss; |
---|
| 1373 | Float elev; |
---|
| 1374 | refelevCol.get(i, elev); |
---|
[2658] | 1375 | os << "user specified Tsys = " << tsysv; |
---|
[1391] | 1376 | // do recalc elevation if EL = 0 |
---|
| 1377 | if ( elev == 0 ) { |
---|
| 1378 | throw(AipsError("EL=0, elevation data is missing.")); |
---|
| 1379 | } else { |
---|
| 1380 | if ( tau <= 0.0 ) { |
---|
| 1381 | throw(AipsError("Valid tau is not supplied.")); |
---|
| 1382 | } else { |
---|
| 1383 | tsysrefscalar = tsysv * exp(tau/elev); |
---|
| 1384 | } |
---|
| 1385 | } |
---|
[2658] | 1386 | os << ", corrected (for El) tsys= "<<tsysrefscalar; |
---|
[1391] | 1387 | } |
---|
| 1388 | else { |
---|
| 1389 | tsysrefscalar = tsysref[0]; |
---|
| 1390 | } |
---|
| 1391 | //get quotient spectrum |
---|
| 1392 | MaskedArray<Float> mref = maskedArray(specref, flagref); |
---|
| 1393 | MaskedArray<Float> mon = maskedArray(specon, flagon); |
---|
| 1394 | MaskedArray<Float> specres = tsysrefscalar*((mon - mref)/mref); |
---|
| 1395 | Double resint = onint*refint*smoothref/(onint+refint*smoothref); |
---|
| 1396 | |
---|
| 1397 | //Debug |
---|
| 1398 | //cerr<<"Tsys used="<<tsysrefscalar<<endl; |
---|
[1819] | 1399 | //LogIO os( LogOrigin( "STMath", "dosigref", WHERE ) ) ; |
---|
| 1400 | //os<<"Tsys used="<<tsysrefscalar<<LogIO::POST; |
---|
[1391] | 1401 | // fill the result, replay signal tsys by reference tsys |
---|
| 1402 | outintCol.put(i, resint); |
---|
| 1403 | outspecCol.put(i, specres.getArray()); |
---|
| 1404 | outflagCol.put(i, flagsFromMA(specres)); |
---|
| 1405 | outtsysCol.put(i, tsysref); |
---|
| 1406 | } |
---|
| 1407 | ++sit; |
---|
| 1408 | ++s2it; |
---|
| 1409 | } |
---|
[2695] | 1410 | |
---|
| 1411 | out->setFluxUnit("K"); |
---|
| 1412 | |
---|
[1391] | 1413 | return out; |
---|
| 1414 | } |
---|
| 1415 | |
---|
| 1416 | CountedPtr< Scantable > STMath::donod(const casa::CountedPtr<Scantable>& s, |
---|
| 1417 | const std::vector<int>& scans, |
---|
| 1418 | int smoothref, |
---|
| 1419 | casa::Float tsysv, |
---|
| 1420 | casa::Float tau, |
---|
| 1421 | casa::Float tcal ) |
---|
| 1422 | |
---|
| 1423 | { |
---|
| 1424 | setInsitu(false); |
---|
[2658] | 1425 | LogIO os( casa::LogOrigin( "STMath", "donod()")); |
---|
[1391] | 1426 | STSelector sel; |
---|
[1819] | 1427 | std::vector<int> scan1, scan2, beams, types; |
---|
[1391] | 1428 | std::vector< vector<int> > scanpair; |
---|
[1819] | 1429 | //std::vector<string> calstate; |
---|
| 1430 | std::vector<int> calstate; |
---|
[1391] | 1431 | String msg; |
---|
| 1432 | |
---|
| 1433 | CountedPtr< Scantable > s1b1on, s1b1off, s1b2on, s1b2off; |
---|
| 1434 | CountedPtr< Scantable > s2b1on, s2b1off, s2b2on, s2b2off; |
---|
| 1435 | |
---|
| 1436 | std::vector< CountedPtr< Scantable > > sctables; |
---|
| 1437 | sctables.push_back(s1b1on); |
---|
| 1438 | sctables.push_back(s1b1off); |
---|
| 1439 | sctables.push_back(s1b2on); |
---|
| 1440 | sctables.push_back(s1b2off); |
---|
| 1441 | sctables.push_back(s2b1on); |
---|
| 1442 | sctables.push_back(s2b1off); |
---|
| 1443 | sctables.push_back(s2b2on); |
---|
| 1444 | sctables.push_back(s2b2off); |
---|
| 1445 | |
---|
| 1446 | //check scanlist |
---|
| 1447 | int n=s->checkScanInfo(scans); |
---|
| 1448 | if (n==1) { |
---|
| 1449 | throw(AipsError("Incorrect scan pairs. ")); |
---|
| 1450 | } |
---|
| 1451 | |
---|
| 1452 | // Assume scans contain only a pair of consecutive scan numbers. |
---|
| 1453 | // It is assumed that first beam, b1, is on target. |
---|
| 1454 | // There is no check if the first beam is on or not. |
---|
| 1455 | if ( scans.size()==1 ) { |
---|
| 1456 | scan1.push_back(scans[0]); |
---|
| 1457 | scan2.push_back(scans[0]+1); |
---|
| 1458 | } else if ( scans.size()==2 ) { |
---|
| 1459 | scan1.push_back(scans[0]); |
---|
| 1460 | scan2.push_back(scans[1]); |
---|
| 1461 | } else { |
---|
| 1462 | if ( scans.size()%2 == 0 ) { |
---|
| 1463 | for (uInt i=0; i<scans.size(); i++) { |
---|
| 1464 | if (i%2 == 0) { |
---|
| 1465 | scan1.push_back(scans[i]); |
---|
| 1466 | } |
---|
| 1467 | else { |
---|
| 1468 | scan2.push_back(scans[i]); |
---|
| 1469 | } |
---|
| 1470 | } |
---|
| 1471 | } else { |
---|
| 1472 | throw(AipsError("Odd numbers of scans, cannot form pairs.")); |
---|
| 1473 | } |
---|
| 1474 | } |
---|
| 1475 | scanpair.push_back(scan1); |
---|
| 1476 | scanpair.push_back(scan2); |
---|
[1819] | 1477 | //calstate.push_back("*calon"); |
---|
| 1478 | //calstate.push_back("*[^calon]"); |
---|
| 1479 | calstate.push_back(SrcType::NODCAL); |
---|
| 1480 | calstate.push_back(SrcType::NOD); |
---|
[1391] | 1481 | CountedPtr< Scantable > ws = getScantable(s, false); |
---|
| 1482 | uInt l=0; |
---|
| 1483 | while ( l < sctables.size() ) { |
---|
| 1484 | for (uInt i=0; i < 2; i++) { |
---|
| 1485 | for (uInt j=0; j < 2; j++) { |
---|
| 1486 | for (uInt k=0; k < 2; k++) { |
---|
| 1487 | sel.reset(); |
---|
| 1488 | sel.setScans(scanpair[i]); |
---|
[1819] | 1489 | //sel.setName(calstate[k]); |
---|
| 1490 | types.clear(); |
---|
| 1491 | types.push_back(calstate[k]); |
---|
| 1492 | sel.setTypes(types); |
---|
[1391] | 1493 | beams.clear(); |
---|
| 1494 | beams.push_back(j); |
---|
| 1495 | sel.setBeams(beams); |
---|
| 1496 | ws->setSelection(sel); |
---|
| 1497 | sctables[l]= getScantable(ws, false); |
---|
| 1498 | l++; |
---|
| 1499 | } |
---|
| 1500 | } |
---|
| 1501 | } |
---|
| 1502 | } |
---|
| 1503 | |
---|
| 1504 | // replace here by splitData or getData functionality |
---|
| 1505 | CountedPtr< Scantable > sig1; |
---|
| 1506 | CountedPtr< Scantable > ref1; |
---|
| 1507 | CountedPtr< Scantable > sig2; |
---|
| 1508 | CountedPtr< Scantable > ref2; |
---|
| 1509 | CountedPtr< Scantable > calb1; |
---|
| 1510 | CountedPtr< Scantable > calb2; |
---|
| 1511 | |
---|
| 1512 | msg=String("Processing dototalpower for subset of the data"); |
---|
[2658] | 1513 | os << msg << LogIO::POST; |
---|
[1391] | 1514 | // Debug for IRC CS data |
---|
| 1515 | //float tcal1=7.0; |
---|
| 1516 | //float tcal2=4.0; |
---|
| 1517 | sig1 = dototalpower(sctables[0], sctables[1], tcal=tcal); |
---|
| 1518 | ref1 = dototalpower(sctables[2], sctables[3], tcal=tcal); |
---|
| 1519 | ref2 = dototalpower(sctables[4], sctables[5], tcal=tcal); |
---|
| 1520 | sig2 = dototalpower(sctables[6], sctables[7], tcal=tcal); |
---|
| 1521 | |
---|
| 1522 | // correction of user-specified tsys for elevation here |
---|
| 1523 | |
---|
| 1524 | // dosigref calibration |
---|
| 1525 | msg=String("Processing dosigref for subset of the data"); |
---|
[2658] | 1526 | os << msg << endl; |
---|
[1391] | 1527 | calb1=dosigref(sig1,ref2,smoothref,tsysv,tau); |
---|
| 1528 | calb2=dosigref(sig2,ref1,smoothref,tsysv,tau); |
---|
| 1529 | |
---|
| 1530 | // iteration by scanno or cycle no. |
---|
| 1531 | Table& tcalb1 = calb1->table(); |
---|
| 1532 | Table& tcalb2 = calb2->table(); |
---|
| 1533 | TableIterator sit(tcalb1, "SCANNO"); |
---|
| 1534 | TableIterator s2it(tcalb2, "SCANNO"); |
---|
| 1535 | while ( !sit.pastEnd() ) { |
---|
| 1536 | Table t1 = sit.table(); |
---|
| 1537 | Table t2= s2it.table(); |
---|
| 1538 | ArrayColumn<Float> outspecCol(t1, "SPECTRA"); |
---|
| 1539 | ArrayColumn<Float> outtsysCol(t1, "TSYS"); |
---|
| 1540 | ArrayColumn<uChar> outflagCol(t1, "FLAGTRA"); |
---|
| 1541 | ScalarColumn<Double> outintCol(t1, "INTERVAL"); |
---|
| 1542 | ArrayColumn<Float> t2specCol(t2, "SPECTRA"); |
---|
| 1543 | ROArrayColumn<Float> t2tsysCol(t2, "TSYS"); |
---|
| 1544 | ArrayColumn<uChar> t2flagCol(t2, "FLAGTRA"); |
---|
| 1545 | ROScalarColumn<Double> t2intCol(t2, "INTERVAL"); |
---|
| 1546 | for (uInt i=0; i < t1.nrow(); ++i) { |
---|
| 1547 | Vector<Float> spec1, spec2; |
---|
| 1548 | // to store scalar (mean) tsys |
---|
| 1549 | Vector<Float> tsys1, tsys2; |
---|
| 1550 | Vector<uChar> flag1, flag2; |
---|
| 1551 | Double tint1, tint2; |
---|
| 1552 | outspecCol.get(i, spec1); |
---|
| 1553 | t2specCol.get(i, spec2); |
---|
| 1554 | outflagCol.get(i, flag1); |
---|
| 1555 | t2flagCol.get(i, flag2); |
---|
| 1556 | outtsysCol.get(i, tsys1); |
---|
| 1557 | t2tsysCol.get(i, tsys2); |
---|
| 1558 | outintCol.get(i, tint1); |
---|
| 1559 | t2intCol.get(i, tint2); |
---|
| 1560 | // average |
---|
| 1561 | // assume scalar tsys for weights |
---|
| 1562 | Float wt1, wt2, tsyssq1, tsyssq2; |
---|
| 1563 | tsyssq1 = tsys1[0]*tsys1[0]; |
---|
| 1564 | tsyssq2 = tsys2[0]*tsys2[0]; |
---|
| 1565 | wt1 = Float(tint1)/tsyssq1; |
---|
| 1566 | wt2 = Float(tint2)/tsyssq2; |
---|
| 1567 | Float invsumwt=1/(wt1+wt2); |
---|
| 1568 | MaskedArray<Float> mspec1 = maskedArray(spec1, flag1); |
---|
| 1569 | MaskedArray<Float> mspec2 = maskedArray(spec2, flag2); |
---|
| 1570 | MaskedArray<Float> avspec = invsumwt * (wt1*mspec1 + wt2*mspec2); |
---|
| 1571 | //Array<Float> avtsys = Float(0.5) * (tsys1 + tsys2); |
---|
| 1572 | // cerr<< "Tsys1="<<tsys1<<" Tsys2="<<tsys2<<endl; |
---|
[1819] | 1573 | // LogIO os( LogOrigin( "STMath", "donod", WHERE ) ) ; |
---|
| 1574 | // os<< "Tsys1="<<tsys1<<" Tsys2="<<tsys2<<LogIO::POST; |
---|
[1391] | 1575 | tsys1[0] = sqrt(tsyssq1 + tsyssq2); |
---|
| 1576 | Array<Float> avtsys = tsys1; |
---|
| 1577 | |
---|
| 1578 | outspecCol.put(i, avspec.getArray()); |
---|
| 1579 | outflagCol.put(i, flagsFromMA(avspec)); |
---|
| 1580 | outtsysCol.put(i, avtsys); |
---|
| 1581 | } |
---|
| 1582 | ++sit; |
---|
| 1583 | ++s2it; |
---|
| 1584 | } |
---|
[2695] | 1585 | |
---|
| 1586 | calb1->setFluxUnit("K"); |
---|
| 1587 | |
---|
[1391] | 1588 | return calb1; |
---|
| 1589 | } |
---|
| 1590 | |
---|
| 1591 | //GBTIDL version of frequency switched data calibration |
---|
| 1592 | CountedPtr< Scantable > STMath::dofs( const CountedPtr< Scantable >& s, |
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| 1593 | const std::vector<int>& scans, |
---|
| 1594 | int smoothref, |
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| 1595 | casa::Float tsysv, |
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| 1596 | casa::Float tau, |
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| 1597 | casa::Float tcal ) |
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| 1598 | { |
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| 1599 | |
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| 1600 | |
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[2163] | 1601 | (void) scans; //currently unused |
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[1391] | 1602 | STSelector sel; |
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| 1603 | CountedPtr< Scantable > ws = getScantable(s, false); |
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| 1604 | CountedPtr< Scantable > sig, sigwcal, ref, refwcal; |
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[1819] | 1605 | CountedPtr< Scantable > calsig, calref, out, out1, out2; |
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| 1606 | Bool nofold=False; |
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| 1607 | vector<int> types ; |
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[1391] | 1608 | |
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| 1609 | //split the data |
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[1819] | 1610 | //sel.setName("*_fs"); |
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| 1611 | types.push_back( SrcType::FSON ) ; |
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| 1612 | sel.setTypes( types ) ; |
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[1391] | 1613 | ws->setSelection(sel); |
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| 1614 | sig = getScantable(ws,false); |
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| 1615 | sel.reset(); |
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[1819] | 1616 | types.clear() ; |
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| 1617 | //sel.setName("*_fs_calon"); |
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| 1618 | types.push_back( SrcType::FONCAL ) ; |
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| 1619 | sel.setTypes( types ) ; |
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[1391] | 1620 | ws->setSelection(sel); |
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| 1621 | sigwcal = getScantable(ws,false); |
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| 1622 | sel.reset(); |
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[1819] | 1623 | types.clear() ; |
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| 1624 | //sel.setName("*_fsr"); |
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| 1625 | types.push_back( SrcType::FSOFF ) ; |
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| 1626 | sel.setTypes( types ) ; |
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[1391] | 1627 | ws->setSelection(sel); |
---|
| 1628 | ref = getScantable(ws,false); |
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| 1629 | sel.reset(); |
---|
[1819] | 1630 | types.clear() ; |
---|
| 1631 | //sel.setName("*_fsr_calon"); |
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| 1632 | types.push_back( SrcType::FOFFCAL ) ; |
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| 1633 | sel.setTypes( types ) ; |
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[1391] | 1634 | ws->setSelection(sel); |
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| 1635 | refwcal = getScantable(ws,false); |
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[1819] | 1636 | sel.reset() ; |
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| 1637 | types.clear() ; |
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[1391] | 1638 | |
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| 1639 | calsig = dototalpower(sigwcal, sig, tcal=tcal); |
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| 1640 | calref = dototalpower(refwcal, ref, tcal=tcal); |
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| 1641 | |
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[1819] | 1642 | out1=dosigref(calsig,calref,smoothref,tsysv,tau); |
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| 1643 | out2=dosigref(calref,calsig,smoothref,tsysv,tau); |
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[1391] | 1644 | |
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[1819] | 1645 | Table& tabout1=out1->table(); |
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| 1646 | Table& tabout2=out2->table(); |
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| 1647 | ROScalarColumn<uInt> freqidCol1(tabout1, "FREQ_ID"); |
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| 1648 | ScalarColumn<uInt> freqidCol2(tabout2, "FREQ_ID"); |
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| 1649 | ROArrayColumn<Float> specCol(tabout2, "SPECTRA"); |
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| 1650 | Vector<Float> spec; specCol.get(0, spec); |
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| 1651 | uInt nchan = spec.nelements(); |
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| 1652 | uInt freqid1; freqidCol1.get(0,freqid1); |
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| 1653 | uInt freqid2; freqidCol2.get(0,freqid2); |
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| 1654 | Double rp1, rp2, rv1, rv2, inc1, inc2; |
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| 1655 | out1->frequencies().getEntry(rp1, rv1, inc1, freqid1); |
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| 1656 | out2->frequencies().getEntry(rp2, rv2, inc2, freqid2); |
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| 1657 | //cerr << out1->frequencies().table().nrow() << " " << out2->frequencies().table().nrow() << endl ; |
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| 1658 | //LogIO os( LogOrigin( "STMath", "dofs()", WHERE ) ) ; |
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| 1659 | //os << out1->frequencies().table().nrow() << " " << out2->frequencies().table().nrow() << LogIO::POST ; |
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| 1660 | if (rp1==rp2) { |
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| 1661 | Double foffset = rv1 - rv2; |
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| 1662 | uInt choffset = static_cast<uInt>(foffset/abs(inc2)); |
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| 1663 | if (choffset >= nchan) { |
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| 1664 | //cerr<<"out-band frequency switching, no folding"<<endl; |
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| 1665 | LogIO os( LogOrigin( "STMath", "dofs()", WHERE ) ) ; |
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| 1666 | os<<"out-band frequency switching, no folding"<<LogIO::POST; |
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| 1667 | nofold = True; |
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| 1668 | } |
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| 1669 | } |
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| 1670 | |
---|
| 1671 | if (nofold) { |
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| 1672 | std::vector< CountedPtr< Scantable > > tabs; |
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| 1673 | tabs.push_back(out1); |
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| 1674 | tabs.push_back(out2); |
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| 1675 | out = merge(tabs); |
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| 1676 | } |
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| 1677 | else { |
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| 1678 | //out = out1; |
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| 1679 | Double choffset = ( rv1 - rv2 ) / inc2 ; |
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| 1680 | out = dofold( out1, out2, choffset ) ; |
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| 1681 | } |
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[2695] | 1682 | |
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| 1683 | out->setFluxUnit("K"); |
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| 1684 | |
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[1391] | 1685 | return out; |
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| 1686 | } |
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| 1687 | |
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[1819] | 1688 | CountedPtr<Scantable> STMath::dofold( const CountedPtr<Scantable> &sig, |
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| 1689 | const CountedPtr<Scantable> &ref, |
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| 1690 | Double choffset, |
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| 1691 | Double choffset2 ) |
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| 1692 | { |
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| 1693 | LogIO os( LogOrigin( "STMath", "dofold", WHERE ) ) ; |
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| 1694 | os << "choffset=" << choffset << " choffset2=" << choffset2 << LogIO::POST ; |
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[1391] | 1695 | |
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[1819] | 1696 | // output scantable |
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| 1697 | CountedPtr<Scantable> out = getScantable( sig, false ) ; |
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| 1698 | |
---|
| 1699 | // separate choffset to integer part and decimal part |
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| 1700 | Int ioffset = (Int)choffset ; |
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| 1701 | Double doffset = choffset - ioffset ; |
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| 1702 | Int ioffset2 = (Int)choffset2 ; |
---|
| 1703 | Double doffset2 = choffset2 - ioffset2 ; |
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| 1704 | os << "ioffset=" << ioffset << " doffset=" << doffset << LogIO::POST ; |
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| 1705 | os << "ioffset2=" << ioffset2 << " doffset2=" << doffset2 << LogIO::POST ; |
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| 1706 | |
---|
| 1707 | // get column |
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| 1708 | ROArrayColumn<Float> specCol1( sig->table(), "SPECTRA" ) ; |
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| 1709 | ROArrayColumn<Float> specCol2( ref->table(), "SPECTRA" ) ; |
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| 1710 | ROArrayColumn<Float> tsysCol1( sig->table(), "TSYS" ) ; |
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| 1711 | ROArrayColumn<Float> tsysCol2( ref->table(), "TSYS" ) ; |
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| 1712 | ROArrayColumn<uChar> flagCol1( sig->table(), "FLAGTRA" ) ; |
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| 1713 | ROArrayColumn<uChar> flagCol2( ref->table(), "FLAGTRA" ) ; |
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| 1714 | ROScalarColumn<Double> mjdCol1( sig->table(), "TIME" ) ; |
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| 1715 | ROScalarColumn<Double> mjdCol2( ref->table(), "TIME" ) ; |
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| 1716 | ROScalarColumn<Double> intervalCol1( sig->table(), "INTERVAL" ) ; |
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| 1717 | ROScalarColumn<Double> intervalCol2( ref->table(), "INTERVAL" ) ; |
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| 1718 | |
---|
| 1719 | // check |
---|
| 1720 | if ( ioffset == 0 ) { |
---|
| 1721 | LogIO os( LogOrigin( "STMath", "dofold()", WHERE ) ) ; |
---|
| 1722 | os << "channel offset is zero, no folding" << LogIO::POST ; |
---|
| 1723 | return out ; |
---|
| 1724 | } |
---|
| 1725 | int nchan = ref->nchan() ; |
---|
| 1726 | if ( abs(ioffset) >= nchan ) { |
---|
| 1727 | LogIO os( LogOrigin( "STMath", "dofold()", WHERE ) ) ; |
---|
| 1728 | os << "out-band frequency switching, no folding" << LogIO::POST ; |
---|
| 1729 | return out ; |
---|
| 1730 | } |
---|
| 1731 | |
---|
| 1732 | // attach column for output scantable |
---|
| 1733 | ArrayColumn<Float> specColOut( out->table(), "SPECTRA" ) ; |
---|
| 1734 | ArrayColumn<uChar> flagColOut( out->table(), "FLAGTRA" ) ; |
---|
| 1735 | ArrayColumn<Float> tsysColOut( out->table(), "TSYS" ) ; |
---|
| 1736 | ScalarColumn<Double> mjdColOut( out->table(), "TIME" ) ; |
---|
| 1737 | ScalarColumn<Double> intervalColOut( out->table(), "INTERVAL" ) ; |
---|
| 1738 | ScalarColumn<uInt> fidColOut( out->table(), "FREQ_ID" ) ; |
---|
| 1739 | |
---|
| 1740 | // for each row |
---|
| 1741 | // assume that the data order are same between sig and ref |
---|
| 1742 | RowAccumulator acc( asap::W_TINTSYS ) ; |
---|
| 1743 | for ( int i = 0 ; i < sig->nrow() ; i++ ) { |
---|
| 1744 | // get values |
---|
| 1745 | Vector<Float> spsig ; |
---|
| 1746 | specCol1.get( i, spsig ) ; |
---|
| 1747 | Vector<Float> spref ; |
---|
| 1748 | specCol2.get( i, spref ) ; |
---|
| 1749 | Vector<Float> tsyssig ; |
---|
| 1750 | tsysCol1.get( i, tsyssig ) ; |
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| 1751 | Vector<Float> tsysref ; |
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| 1752 | tsysCol2.get( i, tsysref ) ; |
---|
| 1753 | Vector<uChar> flagsig ; |
---|
| 1754 | flagCol1.get( i, flagsig ) ; |
---|
| 1755 | Vector<uChar> flagref ; |
---|
| 1756 | flagCol2.get( i, flagref ) ; |
---|
| 1757 | Double timesig ; |
---|
| 1758 | mjdCol1.get( i, timesig ) ; |
---|
| 1759 | Double timeref ; |
---|
| 1760 | mjdCol2.get( i, timeref ) ; |
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| 1761 | Double intsig ; |
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| 1762 | intervalCol1.get( i, intsig ) ; |
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| 1763 | Double intref ; |
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| 1764 | intervalCol2.get( i, intref ) ; |
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| 1765 | |
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| 1766 | // shift reference spectra |
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| 1767 | int refchan = spref.nelements() ; |
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| 1768 | Vector<Float> sspref( spref.nelements() ) ; |
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| 1769 | Vector<Float> stsysref( tsysref.nelements() ) ; |
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| 1770 | Vector<uChar> sflagref( flagref.nelements() ) ; |
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| 1771 | if ( ioffset > 0 ) { |
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| 1772 | // SPECTRA and FLAGTRA |
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| 1773 | for ( int j = 0 ; j < refchan-ioffset ; j++ ) { |
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| 1774 | sspref[j] = spref[j+ioffset] ; |
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| 1775 | sflagref[j] = flagref[j+ioffset] ; |
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| 1776 | } |
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| 1777 | for ( int j = refchan-ioffset ; j < refchan ; j++ ) { |
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| 1778 | sspref[j] = spref[j-refchan+ioffset] ; |
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| 1779 | sflagref[j] = flagref[j-refchan+ioffset] ; |
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| 1780 | } |
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| 1781 | spref = sspref.copy() ; |
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| 1782 | flagref = sflagref.copy() ; |
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| 1783 | for ( int j = 0 ; j < refchan - 1 ; j++ ) { |
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| 1784 | sspref[j] = doffset * spref[j+1] + ( 1.0 - doffset ) * spref[j] ; |
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| 1785 | sflagref[j] = flagref[j+1] + flagref[j] ; |
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| 1786 | } |
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| 1787 | sspref[refchan-1] = doffset * spref[0] + ( 1.0 - doffset ) * spref[refchan-1] ; |
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| 1788 | sflagref[refchan-1] = flagref[0] + flagref[refchan-1] ; |
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| 1789 | |
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| 1790 | // TSYS |
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| 1791 | if ( spref.nelements() == tsysref.nelements() ) { |
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| 1792 | for ( int j = 0 ; j < refchan-ioffset ; j++ ) { |
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| 1793 | stsysref[j] = tsysref[j+ioffset] ; |
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| 1794 | } |
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| 1795 | for ( int j = refchan-ioffset ; j < refchan ; j++ ) { |
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| 1796 | stsysref[j] = tsysref[j-refchan+ioffset] ; |
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| 1797 | } |
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| 1798 | tsysref = stsysref.copy() ; |
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| 1799 | for ( int j = 0 ; j < refchan - 1 ; j++ ) { |
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| 1800 | stsysref[j] = doffset * tsysref[j+1] + ( 1.0 - doffset ) * tsysref[j] ; |
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| 1801 | } |
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| 1802 | stsysref[refchan-1] = doffset * tsysref[0] + ( 1.0 - doffset ) * tsysref[refchan-1] ; |
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| 1803 | } |
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| 1804 | } |
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| 1805 | else { |
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| 1806 | // SPECTRA and FLAGTRA |
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| 1807 | for ( int j = 0 ; j < abs(ioffset) ; j++ ) { |
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| 1808 | sspref[j] = spref[refchan+ioffset+j] ; |
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| 1809 | sflagref[j] = flagref[refchan+ioffset+j] ; |
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| 1810 | } |
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| 1811 | for ( int j = abs(ioffset) ; j < refchan ; j++ ) { |
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| 1812 | sspref[j] = spref[j+ioffset] ; |
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| 1813 | sflagref[j] = flagref[j+ioffset] ; |
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| 1814 | } |
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| 1815 | spref = sspref.copy() ; |
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| 1816 | flagref = sflagref.copy() ; |
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| 1817 | sspref[0] = doffset * spref[refchan-1] + ( 1.0 - doffset ) * spref[0] ; |
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| 1818 | sflagref[0] = flagref[0] + flagref[refchan-1] ; |
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| 1819 | for ( int j = 1 ; j < refchan ; j++ ) { |
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| 1820 | sspref[j] = doffset * spref[j-1] + ( 1.0 - doffset ) * spref[j] ; |
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| 1821 | sflagref[j] = flagref[j-1] + flagref[j] ; |
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| 1822 | } |
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| 1823 | // TSYS |
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| 1824 | if ( spref.nelements() == tsysref.nelements() ) { |
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| 1825 | for ( int j = 0 ; j < abs(ioffset) ; j++ ) { |
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| 1826 | stsysref[j] = tsysref[refchan+ioffset+j] ; |
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| 1827 | } |
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| 1828 | for ( int j = abs(ioffset) ; j < refchan ; j++ ) { |
---|
| 1829 | stsysref[j] = tsysref[j+ioffset] ; |
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| 1830 | } |
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| 1831 | tsysref = stsysref.copy() ; |
---|
| 1832 | stsysref[0] = doffset * tsysref[refchan-1] + ( 1.0 - doffset ) * tsysref[0] ; |
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| 1833 | for ( int j = 1 ; j < refchan ; j++ ) { |
---|
| 1834 | stsysref[j] = doffset * tsysref[j-1] + ( 1.0 - doffset ) * tsysref[j] ; |
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| 1835 | } |
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| 1836 | } |
---|
| 1837 | } |
---|
| 1838 | |
---|
| 1839 | // shift signal spectra if necessary (only for APEX?) |
---|
| 1840 | if ( choffset2 != 0.0 ) { |
---|
| 1841 | int sigchan = spsig.nelements() ; |
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| 1842 | Vector<Float> sspsig( spsig.nelements() ) ; |
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| 1843 | Vector<Float> stsyssig( tsyssig.nelements() ) ; |
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| 1844 | Vector<uChar> sflagsig( flagsig.nelements() ) ; |
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| 1845 | if ( ioffset2 > 0 ) { |
---|
| 1846 | // SPECTRA and FLAGTRA |
---|
| 1847 | for ( int j = 0 ; j < sigchan-ioffset2 ; j++ ) { |
---|
| 1848 | sspsig[j] = spsig[j+ioffset2] ; |
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| 1849 | sflagsig[j] = flagsig[j+ioffset2] ; |
---|
| 1850 | } |
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| 1851 | for ( int j = sigchan-ioffset2 ; j < sigchan ; j++ ) { |
---|
| 1852 | sspsig[j] = spsig[j-sigchan+ioffset2] ; |
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| 1853 | sflagsig[j] = flagsig[j-sigchan+ioffset2] ; |
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| 1854 | } |
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| 1855 | spsig = sspsig.copy() ; |
---|
| 1856 | flagsig = sflagsig.copy() ; |
---|
| 1857 | for ( int j = 0 ; j < sigchan - 1 ; j++ ) { |
---|
| 1858 | sspsig[j] = doffset2 * spsig[j+1] + ( 1.0 - doffset2 ) * spsig[j] ; |
---|
| 1859 | sflagsig[j] = flagsig[j+1] || flagsig[j] ; |
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| 1860 | } |
---|
| 1861 | sspsig[sigchan-1] = doffset2 * spsig[0] + ( 1.0 - doffset2 ) * spsig[sigchan-1] ; |
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| 1862 | sflagsig[sigchan-1] = flagsig[0] || flagsig[sigchan-1] ; |
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| 1863 | // TSTS |
---|
| 1864 | if ( spsig.nelements() == tsyssig.nelements() ) { |
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| 1865 | for ( int j = 0 ; j < sigchan-ioffset2 ; j++ ) { |
---|
| 1866 | stsyssig[j] = tsyssig[j+ioffset2] ; |
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| 1867 | } |
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| 1868 | for ( int j = sigchan-ioffset2 ; j < sigchan ; j++ ) { |
---|
| 1869 | stsyssig[j] = tsyssig[j-sigchan+ioffset2] ; |
---|
| 1870 | } |
---|
| 1871 | tsyssig = stsyssig.copy() ; |
---|
| 1872 | for ( int j = 0 ; j < sigchan - 1 ; j++ ) { |
---|
| 1873 | stsyssig[j] = doffset2 * tsyssig[j+1] + ( 1.0 - doffset2 ) * tsyssig[j] ; |
---|
| 1874 | } |
---|
| 1875 | stsyssig[sigchan-1] = doffset2 * tsyssig[0] + ( 1.0 - doffset2 ) * tsyssig[sigchan-1] ; |
---|
| 1876 | } |
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| 1877 | } |
---|
| 1878 | else { |
---|
| 1879 | // SPECTRA and FLAGTRA |
---|
| 1880 | for ( int j = 0 ; j < abs(ioffset2) ; j++ ) { |
---|
| 1881 | sspsig[j] = spsig[sigchan+ioffset2+j] ; |
---|
| 1882 | sflagsig[j] = flagsig[sigchan+ioffset2+j] ; |
---|
| 1883 | } |
---|
| 1884 | for ( int j = abs(ioffset2) ; j < sigchan ; j++ ) { |
---|
| 1885 | sspsig[j] = spsig[j+ioffset2] ; |
---|
| 1886 | sflagsig[j] = flagsig[j+ioffset2] ; |
---|
| 1887 | } |
---|
| 1888 | spsig = sspsig.copy() ; |
---|
| 1889 | flagsig = sflagsig.copy() ; |
---|
| 1890 | sspsig[0] = doffset2 * spsig[sigchan-1] + ( 1.0 - doffset2 ) * spsig[0] ; |
---|
| 1891 | sflagsig[0] = flagsig[0] + flagsig[sigchan-1] ; |
---|
| 1892 | for ( int j = 1 ; j < sigchan ; j++ ) { |
---|
| 1893 | sspsig[j] = doffset2 * spsig[j-1] + ( 1.0 - doffset2 ) * spsig[j] ; |
---|
| 1894 | sflagsig[j] = flagsig[j-1] + flagsig[j] ; |
---|
| 1895 | } |
---|
| 1896 | // TSYS |
---|
| 1897 | if ( spsig.nelements() == tsyssig.nelements() ) { |
---|
| 1898 | for ( int j = 0 ; j < abs(ioffset2) ; j++ ) { |
---|
| 1899 | stsyssig[j] = tsyssig[sigchan+ioffset2+j] ; |
---|
| 1900 | } |
---|
| 1901 | for ( int j = abs(ioffset2) ; j < sigchan ; j++ ) { |
---|
| 1902 | stsyssig[j] = tsyssig[j+ioffset2] ; |
---|
| 1903 | } |
---|
| 1904 | tsyssig = stsyssig.copy() ; |
---|
| 1905 | stsyssig[0] = doffset2 * tsyssig[sigchan-1] + ( 1.0 - doffset2 ) * tsyssig[0] ; |
---|
| 1906 | for ( int j = 1 ; j < sigchan ; j++ ) { |
---|
| 1907 | stsyssig[j] = doffset2 * tsyssig[j-1] + ( 1.0 - doffset2 ) * tsyssig[j] ; |
---|
| 1908 | } |
---|
| 1909 | } |
---|
| 1910 | } |
---|
| 1911 | } |
---|
| 1912 | |
---|
| 1913 | // folding |
---|
| 1914 | acc.add( spsig, !flagsig, tsyssig, intsig, timesig ) ; |
---|
| 1915 | acc.add( sspref, !sflagref, stsysref, intref, timeref ) ; |
---|
| 1916 | |
---|
| 1917 | // put result |
---|
| 1918 | specColOut.put( i, acc.getSpectrum() ) ; |
---|
| 1919 | const Vector<Bool> &msk = acc.getMask() ; |
---|
| 1920 | Vector<uChar> flg( msk.shape() ) ; |
---|
| 1921 | convertArray( flg, !msk ) ; |
---|
| 1922 | flagColOut.put( i, flg ) ; |
---|
| 1923 | tsysColOut.put( i, acc.getTsys() ) ; |
---|
| 1924 | intervalColOut.put( i, acc.getInterval() ) ; |
---|
| 1925 | mjdColOut.put( i, acc.getTime() ) ; |
---|
| 1926 | // change FREQ_ID to unshifted IF setting (only for APEX?) |
---|
| 1927 | if ( choffset2 != 0.0 ) { |
---|
| 1928 | uInt freqid = fidColOut( 0 ) ; // assume single-IF data |
---|
| 1929 | double refpix, refval, increment ; |
---|
| 1930 | out->frequencies().getEntry( refpix, refval, increment, freqid ) ; |
---|
| 1931 | refval -= choffset * increment ; |
---|
| 1932 | uInt newfreqid = out->frequencies().addEntry( refpix, refval, increment ) ; |
---|
| 1933 | Vector<uInt> freqids = fidColOut.getColumn() ; |
---|
| 1934 | for ( uInt j = 0 ; j < freqids.nelements() ; j++ ) { |
---|
| 1935 | if ( freqids[j] == freqid ) |
---|
| 1936 | freqids[j] = newfreqid ; |
---|
| 1937 | } |
---|
| 1938 | fidColOut.putColumn( freqids ) ; |
---|
| 1939 | } |
---|
| 1940 | |
---|
| 1941 | acc.reset() ; |
---|
| 1942 | } |
---|
| 1943 | |
---|
| 1944 | return out ; |
---|
| 1945 | } |
---|
| 1946 | |
---|
| 1947 | |
---|
[805] | 1948 | CountedPtr< Scantable > STMath::freqSwitch( const CountedPtr< Scantable >& in ) |
---|
| 1949 | { |
---|
| 1950 | // make copy or reference |
---|
| 1951 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 1952 | Table& tout = out->table(); |
---|
[1008] | 1953 | Block<String> cols(4); |
---|
[805] | 1954 | cols[0] = String("SCANNO"); |
---|
[1008] | 1955 | cols[1] = String("CYCLENO"); |
---|
| 1956 | cols[2] = String("BEAMNO"); |
---|
| 1957 | cols[3] = String("POLNO"); |
---|
[805] | 1958 | TableIterator iter(tout, cols); |
---|
| 1959 | while (!iter.pastEnd()) { |
---|
| 1960 | Table subt = iter.table(); |
---|
| 1961 | // this should leave us with two rows for the two IFs....if not ignore |
---|
| 1962 | if (subt.nrow() != 2 ) { |
---|
| 1963 | continue; |
---|
[701] | 1964 | } |
---|
[1008] | 1965 | ArrayColumn<Float> specCol(subt, "SPECTRA"); |
---|
| 1966 | ArrayColumn<Float> tsysCol(subt, "TSYS"); |
---|
| 1967 | ArrayColumn<uChar> flagCol(subt, "FLAGTRA"); |
---|
[805] | 1968 | Vector<Float> onspec,offspec, ontsys, offtsys; |
---|
| 1969 | Vector<uChar> onflag, offflag; |
---|
| 1970 | tsysCol.get(0, ontsys); tsysCol.get(1, offtsys); |
---|
| 1971 | specCol.get(0, onspec); specCol.get(1, offspec); |
---|
| 1972 | flagCol.get(0, onflag); flagCol.get(1, offflag); |
---|
| 1973 | MaskedArray<Float> on = maskedArray(onspec, onflag); |
---|
| 1974 | MaskedArray<Float> off = maskedArray(offspec, offflag); |
---|
| 1975 | MaskedArray<Float> oncopy = on.copy(); |
---|
[248] | 1976 | |
---|
[805] | 1977 | on /= off; on -= 1.0f; |
---|
| 1978 | on *= ontsys[0]; |
---|
| 1979 | off /= oncopy; off -= 1.0f; |
---|
| 1980 | off *= offtsys[0]; |
---|
| 1981 | specCol.put(0, on.getArray()); |
---|
| 1982 | const Vector<Bool>& m0 = on.getMask(); |
---|
| 1983 | Vector<uChar> flags0(m0.shape()); |
---|
| 1984 | convertArray(flags0, !m0); |
---|
| 1985 | flagCol.put(0, flags0); |
---|
[234] | 1986 | |
---|
[805] | 1987 | specCol.put(1, off.getArray()); |
---|
| 1988 | const Vector<Bool>& m1 = off.getMask(); |
---|
| 1989 | Vector<uChar> flags1(m1.shape()); |
---|
| 1990 | convertArray(flags1, !m1); |
---|
| 1991 | flagCol.put(1, flags1); |
---|
[867] | 1992 | ++iter; |
---|
[130] | 1993 | } |
---|
[780] | 1994 | |
---|
[805] | 1995 | return out; |
---|
[9] | 1996 | } |
---|
[48] | 1997 | |
---|
[805] | 1998 | std::vector< float > STMath::statistic( const CountedPtr< Scantable > & in, |
---|
| 1999 | const std::vector< bool > & mask, |
---|
| 2000 | const std::string& which ) |
---|
[130] | 2001 | { |
---|
| 2002 | |
---|
[805] | 2003 | Vector<Bool> m(mask); |
---|
| 2004 | const Table& tab = in->table(); |
---|
| 2005 | ROArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2006 | ROArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 2007 | std::vector<float> out; |
---|
| 2008 | for (uInt i=0; i < tab.nrow(); ++i ) { |
---|
| 2009 | Vector<Float> spec; specCol.get(i, spec); |
---|
[867] | 2010 | Vector<uChar> flag; flagCol.get(i, flag); |
---|
| 2011 | MaskedArray<Float> ma = maskedArray(spec, flag); |
---|
| 2012 | float outstat = 0.0; |
---|
[805] | 2013 | if ( spec.nelements() == m.nelements() ) { |
---|
| 2014 | outstat = mathutil::statistics(which, ma(m)); |
---|
| 2015 | } else { |
---|
| 2016 | outstat = mathutil::statistics(which, ma); |
---|
| 2017 | } |
---|
| 2018 | out.push_back(outstat); |
---|
[234] | 2019 | } |
---|
[805] | 2020 | return out; |
---|
[130] | 2021 | } |
---|
| 2022 | |
---|
[1907] | 2023 | std::vector< float > STMath::statisticRow( const CountedPtr< Scantable > & in, |
---|
| 2024 | const std::vector< bool > & mask, |
---|
| 2025 | const std::string& which, |
---|
| 2026 | int row ) |
---|
| 2027 | { |
---|
| 2028 | |
---|
| 2029 | Vector<Bool> m(mask); |
---|
| 2030 | const Table& tab = in->table(); |
---|
| 2031 | ROArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2032 | ROArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 2033 | std::vector<float> out; |
---|
| 2034 | |
---|
| 2035 | Vector<Float> spec; specCol.get(row, spec); |
---|
| 2036 | Vector<uChar> flag; flagCol.get(row, flag); |
---|
| 2037 | MaskedArray<Float> ma = maskedArray(spec, flag); |
---|
| 2038 | float outstat = 0.0; |
---|
| 2039 | if ( spec.nelements() == m.nelements() ) { |
---|
| 2040 | outstat = mathutil::statistics(which, ma(m)); |
---|
| 2041 | } else { |
---|
| 2042 | outstat = mathutil::statistics(which, ma); |
---|
| 2043 | } |
---|
| 2044 | out.push_back(outstat); |
---|
| 2045 | |
---|
| 2046 | return out; |
---|
| 2047 | } |
---|
| 2048 | |
---|
[1819] | 2049 | std::vector< int > STMath::minMaxChan( const CountedPtr< Scantable > & in, |
---|
| 2050 | const std::vector< bool > & mask, |
---|
| 2051 | const std::string& which ) |
---|
| 2052 | { |
---|
| 2053 | |
---|
| 2054 | Vector<Bool> m(mask); |
---|
| 2055 | const Table& tab = in->table(); |
---|
| 2056 | ROArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2057 | ROArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 2058 | std::vector<int> out; |
---|
| 2059 | for (uInt i=0; i < tab.nrow(); ++i ) { |
---|
| 2060 | Vector<Float> spec; specCol.get(i, spec); |
---|
| 2061 | Vector<uChar> flag; flagCol.get(i, flag); |
---|
| 2062 | MaskedArray<Float> ma = maskedArray(spec, flag); |
---|
| 2063 | if (ma.ndim() != 1) { |
---|
| 2064 | throw (ArrayError( |
---|
| 2065 | "std::vector<int> STMath::minMaxChan(" |
---|
| 2066 | "ContedPtr<Scantable> &in, std::vector<bool> &mask, " |
---|
| 2067 | " std::string &which)" |
---|
| 2068 | " - MaskedArray is not 1D")); |
---|
| 2069 | } |
---|
| 2070 | IPosition outpos(1,0); |
---|
| 2071 | if ( spec.nelements() == m.nelements() ) { |
---|
| 2072 | outpos = mathutil::minMaxPos(which, ma(m)); |
---|
| 2073 | } else { |
---|
| 2074 | outpos = mathutil::minMaxPos(which, ma); |
---|
| 2075 | } |
---|
| 2076 | out.push_back(outpos[0]); |
---|
| 2077 | } |
---|
| 2078 | return out; |
---|
| 2079 | } |
---|
| 2080 | |
---|
[805] | 2081 | CountedPtr< Scantable > STMath::bin( const CountedPtr< Scantable > & in, |
---|
| 2082 | int width ) |
---|
[144] | 2083 | { |
---|
[841] | 2084 | if ( !in->getSelection().empty() ) throw(AipsError("Can't bin subset of the data.")); |
---|
[805] | 2085 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 2086 | Table& tout = out->table(); |
---|
| 2087 | out->frequencies().rescale(width, "BIN"); |
---|
| 2088 | ArrayColumn<Float> specCol(tout, "SPECTRA"); |
---|
| 2089 | ArrayColumn<uChar> flagCol(tout, "FLAGTRA"); |
---|
[2437] | 2090 | ArrayColumn<Float> tsysCol(tout, "TSYS"); |
---|
| 2091 | |
---|
[805] | 2092 | for (uInt i=0; i < tout.nrow(); ++i ) { |
---|
| 2093 | MaskedArray<Float> main = maskedArray(specCol(i), flagCol(i)); |
---|
| 2094 | MaskedArray<Float> maout; |
---|
| 2095 | LatticeUtilities::bin(maout, main, 0, Int(width)); |
---|
| 2096 | specCol.put(i, maout.getArray()); |
---|
| 2097 | flagCol.put(i, flagsFromMA(maout)); |
---|
[2437] | 2098 | if (tsysCol(i).nelements() == specCol(i).nelements()) { |
---|
| 2099 | MaskedArray<Float> matsysin = maskedArray(tsysCol(i), flagCol(i)); |
---|
| 2100 | MaskedArray<Float> matsysout; |
---|
| 2101 | LatticeUtilities::bin(matsysout, matsysin, 0, Int(width)); |
---|
| 2102 | tsysCol.put(i, matsysout.getArray()); |
---|
| 2103 | } |
---|
[805] | 2104 | // take only the first binned spectrum's length for the deprecated |
---|
| 2105 | // global header item nChan |
---|
| 2106 | if (i==0) tout.rwKeywordSet().define(String("nChan"), |
---|
| 2107 | Int(maout.getArray().nelements())); |
---|
[169] | 2108 | } |
---|
[805] | 2109 | return out; |
---|
[146] | 2110 | } |
---|
| 2111 | |
---|
[805] | 2112 | CountedPtr< Scantable > STMath::resample( const CountedPtr< Scantable >& in, |
---|
| 2113 | const std::string& method, |
---|
| 2114 | float width ) |
---|
[299] | 2115 | // |
---|
| 2116 | // Should add the possibility of width being specified in km/s. This means |
---|
[780] | 2117 | // that for each freqID (SpectralCoordinate) we will need to convert to an |
---|
| 2118 | // average channel width (say at the reference pixel). Then we would need |
---|
| 2119 | // to be careful to make sure each spectrum (of different freqID) |
---|
[299] | 2120 | // is the same length. |
---|
| 2121 | // |
---|
| 2122 | { |
---|
[996] | 2123 | //InterpolateArray1D<Double,Float>::InterpolationMethod interp; |
---|
[805] | 2124 | Int interpMethod(stringToIMethod(method)); |
---|
[299] | 2125 | |
---|
[805] | 2126 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 2127 | Table& tout = out->table(); |
---|
[299] | 2128 | |
---|
| 2129 | // Resample SpectralCoordinates (one per freqID) |
---|
[805] | 2130 | out->frequencies().rescale(width, "RESAMPLE"); |
---|
| 2131 | TableIterator iter(tout, "IFNO"); |
---|
| 2132 | TableRow row(tout); |
---|
| 2133 | while ( !iter.pastEnd() ) { |
---|
| 2134 | Table tab = iter.table(); |
---|
| 2135 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2136 | //ArrayColumn<Float> tsysCol(tout, "TSYS"); |
---|
| 2137 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 2138 | Vector<Float> spec; |
---|
| 2139 | Vector<uChar> flag; |
---|
| 2140 | specCol.get(0,spec); // the number of channels should be constant per IF |
---|
| 2141 | uInt nChanIn = spec.nelements(); |
---|
| 2142 | Vector<Float> xIn(nChanIn); indgen(xIn); |
---|
| 2143 | Int fac = Int(nChanIn/width); |
---|
| 2144 | Vector<Float> xOut(fac+10); // 10 to be safe - resize later |
---|
| 2145 | uInt k = 0; |
---|
| 2146 | Float x = 0.0; |
---|
| 2147 | while (x < Float(nChanIn) ) { |
---|
| 2148 | xOut(k) = x; |
---|
| 2149 | k++; |
---|
| 2150 | x += width; |
---|
| 2151 | } |
---|
| 2152 | uInt nChanOut = k; |
---|
| 2153 | xOut.resize(nChanOut, True); |
---|
| 2154 | // process all rows for this IFNO |
---|
| 2155 | Vector<Float> specOut; |
---|
| 2156 | Vector<Bool> maskOut; |
---|
| 2157 | Vector<uChar> flagOut; |
---|
| 2158 | for (uInt i=0; i < tab.nrow(); ++i) { |
---|
| 2159 | specCol.get(i, spec); |
---|
| 2160 | flagCol.get(i, flag); |
---|
| 2161 | Vector<Bool> mask(flag.nelements()); |
---|
| 2162 | convertArray(mask, flag); |
---|
[299] | 2163 | |
---|
[805] | 2164 | IPosition shapeIn(spec.shape()); |
---|
| 2165 | //sh.nchan = nChanOut; |
---|
| 2166 | InterpolateArray1D<Float,Float>::interpolate(specOut, maskOut, xOut, |
---|
| 2167 | xIn, spec, mask, |
---|
| 2168 | interpMethod, True, True); |
---|
| 2169 | /// @todo do the same for channel based Tsys |
---|
| 2170 | flagOut.resize(maskOut.nelements()); |
---|
| 2171 | convertArray(flagOut, maskOut); |
---|
| 2172 | specCol.put(i, specOut); |
---|
| 2173 | flagCol.put(i, flagOut); |
---|
| 2174 | } |
---|
| 2175 | ++iter; |
---|
[299] | 2176 | } |
---|
| 2177 | |
---|
[805] | 2178 | return out; |
---|
| 2179 | } |
---|
[299] | 2180 | |
---|
[805] | 2181 | STMath::imethod STMath::stringToIMethod(const std::string& in) |
---|
| 2182 | { |
---|
| 2183 | static STMath::imap lookup; |
---|
[299] | 2184 | |
---|
[805] | 2185 | // initialize the lookup table if necessary |
---|
| 2186 | if ( lookup.empty() ) { |
---|
[926] | 2187 | lookup["nearest"] = InterpolateArray1D<Double,Float>::nearestNeighbour; |
---|
| 2188 | lookup["linear"] = InterpolateArray1D<Double,Float>::linear; |
---|
| 2189 | lookup["cubic"] = InterpolateArray1D<Double,Float>::cubic; |
---|
| 2190 | lookup["spline"] = InterpolateArray1D<Double,Float>::spline; |
---|
[299] | 2191 | } |
---|
| 2192 | |
---|
[805] | 2193 | STMath::imap::const_iterator iter = lookup.find(in); |
---|
[299] | 2194 | |
---|
[805] | 2195 | if ( lookup.end() == iter ) { |
---|
| 2196 | std::string message = in; |
---|
| 2197 | message += " is not a valid interpolation mode"; |
---|
| 2198 | throw(AipsError(message)); |
---|
[299] | 2199 | } |
---|
[805] | 2200 | return iter->second; |
---|
[299] | 2201 | } |
---|
| 2202 | |
---|
[805] | 2203 | WeightType STMath::stringToWeight(const std::string& in) |
---|
[146] | 2204 | { |
---|
[805] | 2205 | static std::map<std::string, WeightType> lookup; |
---|
[434] | 2206 | |
---|
[805] | 2207 | // initialize the lookup table if necessary |
---|
| 2208 | if ( lookup.empty() ) { |
---|
[1569] | 2209 | lookup["NONE"] = asap::W_NONE; |
---|
| 2210 | lookup["TINT"] = asap::W_TINT; |
---|
| 2211 | lookup["TINTSYS"] = asap::W_TINTSYS; |
---|
| 2212 | lookup["TSYS"] = asap::W_TSYS; |
---|
| 2213 | lookup["VAR"] = asap::W_VAR; |
---|
[805] | 2214 | } |
---|
[434] | 2215 | |
---|
[805] | 2216 | std::map<std::string, WeightType>::const_iterator iter = lookup.find(in); |
---|
[294] | 2217 | |
---|
[805] | 2218 | if ( lookup.end() == iter ) { |
---|
| 2219 | std::string message = in; |
---|
| 2220 | message += " is not a valid weighting mode"; |
---|
| 2221 | throw(AipsError(message)); |
---|
| 2222 | } |
---|
| 2223 | return iter->second; |
---|
[146] | 2224 | } |
---|
| 2225 | |
---|
[805] | 2226 | CountedPtr< Scantable > STMath::gainElevation( const CountedPtr< Scantable >& in, |
---|
[867] | 2227 | const vector< float > & coeff, |
---|
[805] | 2228 | const std::string & filename, |
---|
| 2229 | const std::string& method) |
---|
[165] | 2230 | { |
---|
[2658] | 2231 | LogIO os( LogOrigin( "STMath", "gainElevation", WHERE ) ) ; |
---|
[805] | 2232 | // Get elevation data from Scantable and convert to degrees |
---|
| 2233 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
[926] | 2234 | Table& tab = out->table(); |
---|
[805] | 2235 | ROScalarColumn<Float> elev(tab, "ELEVATION"); |
---|
| 2236 | Vector<Float> x = elev.getColumn(); |
---|
| 2237 | x *= Float(180 / C::pi); // Degrees |
---|
[165] | 2238 | |
---|
[867] | 2239 | Vector<Float> coeffs(coeff); |
---|
[805] | 2240 | const uInt nc = coeffs.nelements(); |
---|
| 2241 | if ( filename.length() > 0 && nc > 0 ) { |
---|
| 2242 | throw(AipsError("You must choose either polynomial coefficients or an ascii file, not both")); |
---|
[315] | 2243 | } |
---|
[165] | 2244 | |
---|
[805] | 2245 | // Correct |
---|
| 2246 | if ( nc > 0 || filename.length() == 0 ) { |
---|
| 2247 | // Find instrument |
---|
| 2248 | Bool throwit = True; |
---|
| 2249 | Instrument inst = |
---|
[878] | 2250 | STAttr::convertInstrument(tab.keywordSet().asString("AntennaName"), |
---|
[805] | 2251 | throwit); |
---|
[165] | 2252 | |
---|
[805] | 2253 | // Set polynomial |
---|
| 2254 | Polynomial<Float>* ppoly = 0; |
---|
| 2255 | Vector<Float> coeff; |
---|
| 2256 | String msg; |
---|
| 2257 | if ( nc > 0 ) { |
---|
[1618] | 2258 | ppoly = new Polynomial<Float>(nc-1); |
---|
[805] | 2259 | coeff = coeffs; |
---|
| 2260 | msg = String("user"); |
---|
| 2261 | } else { |
---|
[878] | 2262 | STAttr sdAttr; |
---|
[805] | 2263 | coeff = sdAttr.gainElevationPoly(inst); |
---|
[1618] | 2264 | ppoly = new Polynomial<Float>(coeff.nelements()-1); |
---|
[805] | 2265 | msg = String("built in"); |
---|
| 2266 | } |
---|
[532] | 2267 | |
---|
[805] | 2268 | if ( coeff.nelements() > 0 ) { |
---|
| 2269 | ppoly->setCoefficients(coeff); |
---|
| 2270 | } else { |
---|
| 2271 | delete ppoly; |
---|
| 2272 | throw(AipsError("There is no known gain-elevation polynomial known for this instrument")); |
---|
| 2273 | } |
---|
[2658] | 2274 | os << "Making polynomial correction with " << msg << " coefficients:" << endl; |
---|
| 2275 | os << " " << coeff << LogIO::POST; |
---|
[805] | 2276 | const uInt nrow = tab.nrow(); |
---|
| 2277 | Vector<Float> factor(nrow); |
---|
| 2278 | for ( uInt i=0; i < nrow; ++i ) { |
---|
| 2279 | factor[i] = 1.0 / (*ppoly)(x[i]); |
---|
| 2280 | } |
---|
| 2281 | delete ppoly; |
---|
| 2282 | scaleByVector(tab, factor, true); |
---|
[532] | 2283 | |
---|
[805] | 2284 | } else { |
---|
| 2285 | // Read and correct |
---|
[2658] | 2286 | os << "Making correction from ascii Table" << LogIO::POST; |
---|
[805] | 2287 | scaleFromAsciiTable(tab, filename, method, x, true); |
---|
[532] | 2288 | } |
---|
[805] | 2289 | return out; |
---|
| 2290 | } |
---|
[165] | 2291 | |
---|
[805] | 2292 | void STMath::scaleFromAsciiTable(Table& in, const std::string& filename, |
---|
| 2293 | const std::string& method, |
---|
| 2294 | const Vector<Float>& xout, bool dotsys) |
---|
| 2295 | { |
---|
[165] | 2296 | |
---|
[805] | 2297 | // Read gain-elevation ascii file data into a Table. |
---|
[165] | 2298 | |
---|
[805] | 2299 | String formatString; |
---|
| 2300 | Table tbl = readAsciiTable(formatString, Table::Memory, filename, "", "", False); |
---|
| 2301 | scaleFromTable(in, tbl, method, xout, dotsys); |
---|
| 2302 | } |
---|
[165] | 2303 | |
---|
[805] | 2304 | void STMath::scaleFromTable(Table& in, |
---|
| 2305 | const Table& table, |
---|
| 2306 | const std::string& method, |
---|
| 2307 | const Vector<Float>& xout, bool dotsys) |
---|
| 2308 | { |
---|
[780] | 2309 | |
---|
[805] | 2310 | ROScalarColumn<Float> geElCol(table, "ELEVATION"); |
---|
| 2311 | ROScalarColumn<Float> geFacCol(table, "FACTOR"); |
---|
| 2312 | Vector<Float> xin = geElCol.getColumn(); |
---|
| 2313 | Vector<Float> yin = geFacCol.getColumn(); |
---|
| 2314 | Vector<Bool> maskin(xin.nelements(),True); |
---|
[165] | 2315 | |
---|
[805] | 2316 | // Interpolate (and extrapolate) with desired method |
---|
[532] | 2317 | |
---|
[996] | 2318 | InterpolateArray1D<Double,Float>::InterpolationMethod interp = stringToIMethod(method); |
---|
[165] | 2319 | |
---|
[805] | 2320 | Vector<Float> yout; |
---|
| 2321 | Vector<Bool> maskout; |
---|
| 2322 | InterpolateArray1D<Float,Float>::interpolate(yout, maskout, xout, |
---|
[996] | 2323 | xin, yin, maskin, interp, |
---|
[805] | 2324 | True, True); |
---|
[165] | 2325 | |
---|
[805] | 2326 | scaleByVector(in, Float(1.0)/yout, dotsys); |
---|
[165] | 2327 | } |
---|
[167] | 2328 | |
---|
[805] | 2329 | void STMath::scaleByVector( Table& in, |
---|
| 2330 | const Vector< Float >& factor, |
---|
| 2331 | bool dotsys ) |
---|
[177] | 2332 | { |
---|
[805] | 2333 | uInt nrow = in.nrow(); |
---|
| 2334 | if ( factor.nelements() != nrow ) { |
---|
| 2335 | throw(AipsError("factors.nelements() != table.nelements()")); |
---|
| 2336 | } |
---|
| 2337 | ArrayColumn<Float> specCol(in, "SPECTRA"); |
---|
| 2338 | ArrayColumn<uChar> flagCol(in, "FLAGTRA"); |
---|
| 2339 | ArrayColumn<Float> tsysCol(in, "TSYS"); |
---|
| 2340 | for (uInt i=0; i < nrow; ++i) { |
---|
| 2341 | MaskedArray<Float> ma = maskedArray(specCol(i), flagCol(i)); |
---|
| 2342 | ma *= factor[i]; |
---|
| 2343 | specCol.put(i, ma.getArray()); |
---|
| 2344 | flagCol.put(i, flagsFromMA(ma)); |
---|
| 2345 | if ( dotsys ) { |
---|
[926] | 2346 | Vector<Float> tsys = tsysCol(i); |
---|
[805] | 2347 | tsys *= factor[i]; |
---|
[926] | 2348 | tsysCol.put(i,tsys); |
---|
[805] | 2349 | } |
---|
| 2350 | } |
---|
[177] | 2351 | } |
---|
| 2352 | |
---|
[805] | 2353 | CountedPtr< Scantable > STMath::convertFlux( const CountedPtr< Scantable >& in, |
---|
| 2354 | float d, float etaap, |
---|
| 2355 | float jyperk ) |
---|
[221] | 2356 | { |
---|
[2658] | 2357 | LogIO os( LogOrigin( "STMath", "convertFlux", WHERE ) ) ; |
---|
| 2358 | |
---|
[805] | 2359 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 2360 | Table& tab = in->table(); |
---|
[2474] | 2361 | Table& outtab = out->table(); |
---|
[805] | 2362 | Unit fluxUnit(tab.keywordSet().asString("FluxUnit")); |
---|
[221] | 2363 | Unit K(String("K")); |
---|
| 2364 | Unit JY(String("Jy")); |
---|
[701] | 2365 | |
---|
[805] | 2366 | bool tokelvin = true; |
---|
| 2367 | Double cfac = 1.0; |
---|
[716] | 2368 | |
---|
[805] | 2369 | if ( fluxUnit == JY ) { |
---|
[2658] | 2370 | os << "Converting to K" << LogIO::POST; |
---|
[701] | 2371 | Quantum<Double> t(1.0,fluxUnit); |
---|
| 2372 | Quantum<Double> t2 = t.get(JY); |
---|
[805] | 2373 | cfac = (t2 / t).getValue(); // value to Jy |
---|
[780] | 2374 | |
---|
[805] | 2375 | tokelvin = true; |
---|
| 2376 | out->setFluxUnit("K"); |
---|
| 2377 | } else if ( fluxUnit == K ) { |
---|
[2658] | 2378 | os << "Converting to Jy" << LogIO::POST; |
---|
[701] | 2379 | Quantum<Double> t(1.0,fluxUnit); |
---|
| 2380 | Quantum<Double> t2 = t.get(K); |
---|
[805] | 2381 | cfac = (t2 / t).getValue(); // value to K |
---|
[780] | 2382 | |
---|
[805] | 2383 | tokelvin = false; |
---|
| 2384 | out->setFluxUnit("Jy"); |
---|
[221] | 2385 | } else { |
---|
[701] | 2386 | throw(AipsError("Unrecognized brightness units in Table - must be consistent with Jy or K")); |
---|
[221] | 2387 | } |
---|
[701] | 2388 | // Make sure input values are converted to either Jy or K first... |
---|
[805] | 2389 | Float factor = cfac; |
---|
[221] | 2390 | |
---|
[701] | 2391 | // Select method |
---|
[805] | 2392 | if (jyperk > 0.0) { |
---|
| 2393 | factor *= jyperk; |
---|
| 2394 | if ( tokelvin ) factor = 1.0 / jyperk; |
---|
[2658] | 2395 | os << "Jy/K = " << jyperk << LogIO::POST; |
---|
[2474] | 2396 | Vector<Float> factors(outtab.nrow(), factor); |
---|
| 2397 | scaleByVector(outtab,factors, false); |
---|
[805] | 2398 | } else if ( etaap > 0.0) { |
---|
[1319] | 2399 | if (d < 0) { |
---|
| 2400 | Instrument inst = |
---|
[1570] | 2401 | STAttr::convertInstrument(tab.keywordSet().asString("AntennaName"), |
---|
[1319] | 2402 | True); |
---|
| 2403 | STAttr sda; |
---|
| 2404 | d = sda.diameter(inst); |
---|
| 2405 | } |
---|
[996] | 2406 | jyperk = STAttr::findJyPerK(etaap, d); |
---|
[2658] | 2407 | os << "Jy/K = " << jyperk << LogIO::POST; |
---|
[805] | 2408 | factor *= jyperk; |
---|
| 2409 | if ( tokelvin ) { |
---|
[701] | 2410 | factor = 1.0 / factor; |
---|
| 2411 | } |
---|
[2474] | 2412 | Vector<Float> factors(outtab.nrow(), factor); |
---|
| 2413 | scaleByVector(outtab, factors, False); |
---|
[354] | 2414 | } else { |
---|
[780] | 2415 | |
---|
[701] | 2416 | // OK now we must deal with automatic look up of values. |
---|
| 2417 | // We must also deal with the fact that the factors need |
---|
| 2418 | // to be computed per IF and may be different and may |
---|
| 2419 | // change per integration. |
---|
[780] | 2420 | |
---|
[2658] | 2421 | os <<"Looking up conversion factors" << LogIO::POST; |
---|
[805] | 2422 | convertBrightnessUnits(out, tokelvin, cfac); |
---|
[701] | 2423 | } |
---|
[805] | 2424 | |
---|
| 2425 | return out; |
---|
[221] | 2426 | } |
---|
| 2427 | |
---|
[805] | 2428 | void STMath::convertBrightnessUnits( CountedPtr<Scantable>& in, |
---|
| 2429 | bool tokelvin, float cfac ) |
---|
[227] | 2430 | { |
---|
[805] | 2431 | Table& table = in->table(); |
---|
| 2432 | Instrument inst = |
---|
[878] | 2433 | STAttr::convertInstrument(table.keywordSet().asString("AntennaName"), True); |
---|
[805] | 2434 | TableIterator iter(table, "FREQ_ID"); |
---|
| 2435 | STFrequencies stfreqs = in->frequencies(); |
---|
[878] | 2436 | STAttr sdAtt; |
---|
[805] | 2437 | while (!iter.pastEnd()) { |
---|
| 2438 | Table tab = iter.table(); |
---|
| 2439 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2440 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 2441 | ROScalarColumn<uInt> freqidCol(tab, "FREQ_ID"); |
---|
| 2442 | MEpoch::ROScalarColumn timeCol(tab, "TIME"); |
---|
[234] | 2443 | |
---|
[805] | 2444 | uInt freqid; freqidCol.get(0, freqid); |
---|
| 2445 | Vector<Float> tmpspec; specCol.get(0, tmpspec); |
---|
[878] | 2446 | // STAttr.JyPerK has a Vector interface... change sometime. |
---|
[805] | 2447 | Vector<Float> freqs(1,stfreqs.getRefFreq(freqid, tmpspec.nelements())); |
---|
| 2448 | for ( uInt i=0; i<tab.nrow(); ++i) { |
---|
| 2449 | Float jyperk = (sdAtt.JyPerK(inst, timeCol(i), freqs))[0]; |
---|
| 2450 | Float factor = cfac * jyperk; |
---|
| 2451 | if ( tokelvin ) factor = Float(1.0) / factor; |
---|
| 2452 | MaskedArray<Float> ma = maskedArray(specCol(i), flagCol(i)); |
---|
| 2453 | ma *= factor; |
---|
| 2454 | specCol.put(i, ma.getArray()); |
---|
| 2455 | flagCol.put(i, flagsFromMA(ma)); |
---|
| 2456 | } |
---|
[867] | 2457 | ++iter; |
---|
[234] | 2458 | } |
---|
[230] | 2459 | } |
---|
[227] | 2460 | |
---|
[805] | 2461 | CountedPtr< Scantable > STMath::opacity( const CountedPtr< Scantable > & in, |
---|
[1689] | 2462 | const std::vector<float>& tau ) |
---|
[234] | 2463 | { |
---|
[805] | 2464 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
[926] | 2465 | |
---|
[1689] | 2466 | Table outtab = out->table(); |
---|
| 2467 | |
---|
[2125] | 2468 | const Int ntau = uInt(tau.size()); |
---|
[1689] | 2469 | std::vector<float>::const_iterator tauit = tau.begin(); |
---|
| 2470 | AlwaysAssert((ntau == 1 || ntau == in->nif() || ntau == in->nif() * in->npol()), |
---|
| 2471 | AipsError); |
---|
| 2472 | TableIterator iiter(outtab, "IFNO"); |
---|
| 2473 | while ( !iiter.pastEnd() ) { |
---|
| 2474 | Table itab = iiter.table(); |
---|
[2278] | 2475 | TableIterator piter(itab, "POLNO"); |
---|
[1689] | 2476 | while ( !piter.pastEnd() ) { |
---|
| 2477 | Table tab = piter.table(); |
---|
| 2478 | ROScalarColumn<Float> elev(tab, "ELEVATION"); |
---|
| 2479 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2480 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 2481 | ArrayColumn<Float> tsysCol(tab, "TSYS"); |
---|
| 2482 | for ( uInt i=0; i<tab.nrow(); ++i) { |
---|
| 2483 | Float zdist = Float(C::pi_2) - elev(i); |
---|
| 2484 | Float factor = exp(*tauit/cos(zdist)); |
---|
| 2485 | MaskedArray<Float> ma = maskedArray(specCol(i), flagCol(i)); |
---|
| 2486 | ma *= factor; |
---|
| 2487 | specCol.put(i, ma.getArray()); |
---|
| 2488 | flagCol.put(i, flagsFromMA(ma)); |
---|
| 2489 | Vector<Float> tsys; |
---|
| 2490 | tsysCol.get(i, tsys); |
---|
| 2491 | tsys *= factor; |
---|
| 2492 | tsysCol.put(i, tsys); |
---|
| 2493 | } |
---|
| 2494 | if (ntau == in->nif()*in->npol() ) { |
---|
| 2495 | tauit++; |
---|
| 2496 | } |
---|
| 2497 | piter++; |
---|
| 2498 | } |
---|
| 2499 | if (ntau >= in->nif() ) { |
---|
| 2500 | tauit++; |
---|
| 2501 | } |
---|
| 2502 | iiter++; |
---|
[234] | 2503 | } |
---|
[805] | 2504 | return out; |
---|
[234] | 2505 | } |
---|
| 2506 | |
---|
[1373] | 2507 | CountedPtr< Scantable > STMath::smoothOther( const CountedPtr< Scantable >& in, |
---|
| 2508 | const std::string& kernel, |
---|
[1570] | 2509 | float width, int order) |
---|
[1373] | 2510 | { |
---|
| 2511 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
[2125] | 2512 | Table table = out->table(); |
---|
| 2513 | |
---|
| 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"); |
---|
| 2519 | Vector<Float> spec; |
---|
| 2520 | Vector<uChar> flag; |
---|
| 2521 | for (uInt i = 0; i < tab.nrow(); ++i) { |
---|
| 2522 | specCol.get(i, spec); |
---|
| 2523 | flagCol.get(i, flag); |
---|
| 2524 | Vector<Bool> mask(flag.nelements()); |
---|
| 2525 | convertArray(mask, flag); |
---|
| 2526 | Vector<Float> specout; |
---|
| 2527 | Vector<Bool> maskout; |
---|
| 2528 | if (kernel == "hanning") { |
---|
| 2529 | mathutil::hanning(specout, maskout, spec, !mask); |
---|
| 2530 | } else if (kernel == "rmedian") { |
---|
| 2531 | mathutil::runningMedian(specout, maskout, spec , mask, width); |
---|
| 2532 | } else if (kernel == "poly") { |
---|
| 2533 | mathutil::polyfit(specout, maskout, spec, !mask, width, order); |
---|
| 2534 | } |
---|
| 2535 | |
---|
| 2536 | for (uInt j = 0; j < flag.nelements(); ++j) { |
---|
| 2537 | uChar userFlag = 1 << 7; |
---|
| 2538 | if (maskout[j]==True) userFlag = 0 << 7; |
---|
| 2539 | flag(j) = userFlag; |
---|
| 2540 | } |
---|
| 2541 | |
---|
| 2542 | flagCol.put(i, flag); |
---|
| 2543 | specCol.put(i, specout); |
---|
[1373] | 2544 | } |
---|
[2125] | 2545 | ++iter; |
---|
[1373] | 2546 | } |
---|
| 2547 | return out; |
---|
| 2548 | } |
---|
| 2549 | |
---|
[805] | 2550 | CountedPtr< Scantable > STMath::smooth( const CountedPtr< Scantable >& in, |
---|
[1571] | 2551 | const std::string& kernel, float width, |
---|
| 2552 | int order) |
---|
[457] | 2553 | { |
---|
[1571] | 2554 | if (kernel == "rmedian" || kernel == "hanning" || kernel == "poly") { |
---|
| 2555 | return smoothOther(in, kernel, width, order); |
---|
[1373] | 2556 | } |
---|
[805] | 2557 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
[1033] | 2558 | Table& table = out->table(); |
---|
[805] | 2559 | VectorKernel::KernelTypes type = VectorKernel::toKernelType(kernel); |
---|
| 2560 | // same IFNO should have same no of channels |
---|
| 2561 | // this saves overhead |
---|
| 2562 | TableIterator iter(table, "IFNO"); |
---|
| 2563 | while (!iter.pastEnd()) { |
---|
| 2564 | Table tab = iter.table(); |
---|
| 2565 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 2566 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
[2643] | 2567 | Vector<Float> spec = specCol( 0 ); |
---|
| 2568 | uInt nchan = spec.nelements(); |
---|
[805] | 2569 | Vector<Float> kvec = VectorKernel::make(type, width, nchan, True, False); |
---|
| 2570 | Convolver<Float> conv(kvec, IPosition(1,nchan)); |
---|
| 2571 | Vector<uChar> flag; |
---|
[2643] | 2572 | Vector<Bool> mask(nchan); |
---|
[805] | 2573 | for ( uInt i=0; i<tab.nrow(); ++i) { |
---|
| 2574 | specCol.get(i, spec); |
---|
| 2575 | flagCol.get(i, flag); |
---|
| 2576 | convertArray(mask, flag); |
---|
| 2577 | Vector<Float> specout; |
---|
[2879] | 2578 | //mathutil::replaceMaskByZero(specout, mask); |
---|
| 2579 | mathutil::replaceMaskByZero(spec, !mask); |
---|
| 2580 | //std::vector<bool> vmask; |
---|
| 2581 | //(!mask).tovector(vmask); |
---|
| 2582 | //mathutil::doZeroOrderInterpolation(spec, vmask); |
---|
[1373] | 2583 | conv.linearConv(specout, spec); |
---|
| 2584 | specCol.put(i, specout); |
---|
[805] | 2585 | } |
---|
[867] | 2586 | ++iter; |
---|
[701] | 2587 | } |
---|
[805] | 2588 | return out; |
---|
[701] | 2589 | } |
---|
[841] | 2590 | |
---|
| 2591 | CountedPtr< Scantable > |
---|
[2900] | 2592 | STMath::merge( const std::vector< CountedPtr < Scantable > >& in, |
---|
| 2593 | const std::string &freqTol ) |
---|
[841] | 2594 | { |
---|
[2903] | 2595 | Double freqTolInHz = 0.0; // default is 0.0Hz (merge only when exact match) |
---|
[2899] | 2596 | if (freqTol.size() > 0) { |
---|
| 2597 | Quantum<Double> freqTolInQuantity; |
---|
| 2598 | if (!Quantum<Double>::read(freqTolInQuantity, freqTol)) { |
---|
| 2599 | throw(AipsError("Failed to convert freqTol string to quantity")); |
---|
| 2600 | } |
---|
| 2601 | if (!freqTolInQuantity.isConform("Hz")) { |
---|
| 2602 | throw(AipsError("Invalid freqTol string")); |
---|
| 2603 | } |
---|
| 2604 | freqTolInHz = freqTolInQuantity.getValue("Hz"); |
---|
[2904] | 2605 | LogIO os(LogOrigin("STMath", "merge", WHERE)); |
---|
| 2606 | os << "frequency tolerance = " << freqTolInHz << "Hz" << LogIO::POST; |
---|
[2899] | 2607 | } |
---|
| 2608 | |
---|
[841] | 2609 | if ( in.size() < 2 ) { |
---|
[862] | 2610 | throw(AipsError("Need at least two scantables to perform a merge.")); |
---|
[841] | 2611 | } |
---|
| 2612 | std::vector<CountedPtr < Scantable > >::const_iterator it = in.begin(); |
---|
| 2613 | bool insitu = insitu_; |
---|
| 2614 | setInsitu(false); |
---|
[862] | 2615 | CountedPtr< Scantable > out = getScantable(*it, false); |
---|
[841] | 2616 | setInsitu(insitu); |
---|
| 2617 | Table& tout = out->table(); |
---|
| 2618 | ScalarColumn<uInt> freqidcol(tout,"FREQ_ID"), molidcol(tout, "MOLECULE_ID"); |
---|
[917] | 2619 | ScalarColumn<uInt> scannocol(tout,"SCANNO"), focusidcol(tout,"FOCUS_ID"); |
---|
[2899] | 2620 | ScalarColumn<uInt> ifnocol(tout, "IFNO"); |
---|
[917] | 2621 | // Renumber SCANNO to be 0-based |
---|
[926] | 2622 | Vector<uInt> scannos = scannocol.getColumn(); |
---|
| 2623 | uInt offset = min(scannos); |
---|
[917] | 2624 | scannos -= offset; |
---|
[926] | 2625 | scannocol.putColumn(scannos); |
---|
| 2626 | uInt newscanno = max(scannos)+1; |
---|
[862] | 2627 | ++it; |
---|
[2900] | 2628 | |
---|
| 2629 | // new IFNO |
---|
| 2630 | uInt ifnoCounter = max(ifnocol.getColumn()) + 1; |
---|
| 2631 | |
---|
[2905] | 2632 | // Here we assume that each IFNO has unique MOLECULE_ID |
---|
| 2633 | // molIdMap: |
---|
| 2634 | // KEY: IFNO |
---|
| 2635 | // VALUE: MOLECULE_ID |
---|
| 2636 | map<uInt, uInt> molIdMap; |
---|
| 2637 | { |
---|
| 2638 | TableIterator ifit(tout, "IFNO"); |
---|
| 2639 | while (!ifit.pastEnd()) { |
---|
| 2640 | ROTableRow row(ifit.table()); |
---|
| 2641 | const TableRecord& rec = row.get(0); |
---|
| 2642 | molIdMap[rec.asuInt("IFNO")] = rec.asuInt("MOLECULE_ID"); |
---|
| 2643 | ifit.next(); |
---|
| 2644 | } |
---|
| 2645 | } |
---|
| 2646 | |
---|
[841] | 2647 | while ( it != in.end() ){ |
---|
[2899] | 2648 | // Check FREQUENCIES/BASEFRAME |
---|
| 2649 | if ( out->frequencies().getFrame(true) != (*it)->frequencies().getFrame(true) ) { |
---|
| 2650 | throw(AipsError("BASEFRAME is not identical")); |
---|
| 2651 | } |
---|
| 2652 | |
---|
[841] | 2653 | if ( ! (*it)->conformant(*out) ) { |
---|
[1439] | 2654 | // non conformant. |
---|
[1819] | 2655 | LogIO os( LogOrigin( "STMath", "merge()", WHERE ) ) ; |
---|
| 2656 | os << LogIO::SEVERE << "Can't merge scantables as header informations (any one of AntennaName, Equinox, and FluxUnit) differ." << LogIO::EXCEPTION ; |
---|
[841] | 2657 | } |
---|
[862] | 2658 | out->appendToHistoryTable((*it)->history()); |
---|
[841] | 2659 | const Table& tab = (*it)->table(); |
---|
[2289] | 2660 | |
---|
| 2661 | Block<String> cols(3); |
---|
| 2662 | cols[0] = String("FREQ_ID"); |
---|
| 2663 | cols[1] = String("MOLECULE_ID"); |
---|
| 2664 | cols[2] = String("FOCUS_ID"); |
---|
[2905] | 2665 | |
---|
[841] | 2666 | TableIterator scanit(tab, "SCANNO"); |
---|
| 2667 | while (!scanit.pastEnd()) { |
---|
[2289] | 2668 | TableIterator subit(scanit.table(), cols); |
---|
| 2669 | while ( !subit.pastEnd() ) { |
---|
[841] | 2670 | uInt nrow = tout.nrow(); |
---|
[2289] | 2671 | Table thetab = subit.table(); |
---|
| 2672 | ROTableRow row(thetab); |
---|
| 2673 | Vector<uInt> thecolvals(thetab.nrow()); |
---|
| 2674 | // The selected subset of table should have |
---|
| 2675 | // the equal FREQ_ID, MOLECULE_ID, and FOCUS_ID values. |
---|
| 2676 | const TableRecord& rec = row.get(0); |
---|
[2899] | 2677 | tout.addRow(thetab.nrow()); |
---|
| 2678 | TableCopy::copyRows(tout, thetab, nrow, 0, thetab.nrow()); |
---|
| 2679 | |
---|
| 2680 | Slicer slice(IPosition(1, nrow), IPosition(1, thetab.nrow()), |
---|
| 2681 | Slicer::endIsLength); |
---|
| 2682 | |
---|
[2289] | 2683 | // Set the proper FREQ_ID |
---|
| 2684 | Double rv,rp,inc; |
---|
| 2685 | (*it)->frequencies().getEntry(rp, rv, inc, rec.asuInt("FREQ_ID")); |
---|
| 2686 | uInt id; |
---|
[2900] | 2687 | |
---|
| 2688 | // default value is new unique IFNO |
---|
| 2689 | uInt newifno = ifnoCounter; |
---|
[2905] | 2690 | Bool isIfMerged = False; |
---|
[2900] | 2691 | uInt nchan = rec.asArrayFloat("SPECTRA").shape()[0]; |
---|
| 2692 | //id = out->frequencies().addEntry(rp, rv, inc); |
---|
| 2693 | if ( !out->frequencies().match(rp, rv, inc, freqTolInHz, id) ) { |
---|
| 2694 | // add new entry to FREQUENCIES table |
---|
| 2695 | id = out->frequencies().addEntry(rp, rv, inc); |
---|
| 2696 | |
---|
| 2697 | // increment counter for IFNO |
---|
| 2698 | ifnoCounter++; |
---|
| 2699 | } |
---|
| 2700 | else { |
---|
| 2701 | // should renumber IFNO to be same as existing rows that have same FREQ_ID |
---|
| 2702 | LogIO os(LogOrigin("STMath", "merge", WHERE)); |
---|
| 2703 | Table outFreqIdSelected = tout(tout.col("FREQ_ID") == id); |
---|
| 2704 | TableIterator _iter(outFreqIdSelected, "IFNO"); |
---|
| 2705 | map<uInt, uInt> nchanMap; |
---|
| 2706 | while (!_iter.pastEnd()) { |
---|
| 2707 | const Table _table = _iter.table(); |
---|
| 2708 | ROTableRow _row(_table); |
---|
| 2709 | const TableRecord &_rec = _row.get(0); |
---|
| 2710 | uInt nchan = _rec.asArrayFloat("SPECTRA").shape()[0]; |
---|
| 2711 | if (nchanMap.find(nchan) != nchanMap.end()) { |
---|
| 2712 | throw(AipsError("There are non-unique IFNOs assigned to spectra that have same FREQ_ID and same nchan. Something wrong.")); |
---|
| 2713 | } |
---|
| 2714 | nchanMap[nchan] = _rec.asuInt("IFNO"); |
---|
| 2715 | _iter.next(); |
---|
| 2716 | } |
---|
| 2717 | |
---|
| 2718 | os << LogIO::DEBUGGING << "nchanMap for " << id << ":" << LogIO::POST; |
---|
| 2719 | for (map<uInt, uInt>::iterator i = nchanMap.begin(); i != nchanMap.end(); ++i) { |
---|
| 2720 | os << LogIO::DEBUGGING << "nchanMap[" << i->first << "] = " << i->second << LogIO::POST; |
---|
| 2721 | } |
---|
| 2722 | |
---|
| 2723 | if (nchanMap.find(nchan) == nchanMap.end()) { |
---|
| 2724 | // increment counter for IFNO |
---|
| 2725 | ifnoCounter++; |
---|
| 2726 | } |
---|
| 2727 | else { |
---|
| 2728 | // renumber IFNO to be same as existing value that corresponds to nchan |
---|
| 2729 | newifno = nchanMap[nchan]; |
---|
[2905] | 2730 | isIfMerged = True; |
---|
[2900] | 2731 | } |
---|
| 2732 | os << LogIO::DEBUGGING << "newifno = " << newifno << LogIO::POST; |
---|
| 2733 | } |
---|
[2289] | 2734 | thecolvals = id; |
---|
[2899] | 2735 | freqidcol.putColumnRange(slice, thecolvals); |
---|
[2900] | 2736 | |
---|
| 2737 | thecolvals = newifno; |
---|
| 2738 | ifnocol.putColumnRange(slice, thecolvals); |
---|
[2899] | 2739 | |
---|
[2289] | 2740 | // Set the proper MOLECULE_ID |
---|
| 2741 | Vector<String> name,fname;Vector<Double> rf; |
---|
| 2742 | (*it)->molecules().getEntry(rf, name, fname, rec.asuInt("MOLECULE_ID")); |
---|
| 2743 | id = out->molecules().addEntry(rf, name, fname); |
---|
[2905] | 2744 | if (molIdMap.find(newifno) == molIdMap.end()) { |
---|
| 2745 | // add new entry to molIdMap |
---|
| 2746 | molIdMap[newifno] = id; |
---|
| 2747 | } |
---|
| 2748 | if (isIfMerged) { |
---|
| 2749 | id = molIdMap[newifno]; |
---|
| 2750 | } |
---|
[2289] | 2751 | thecolvals = id; |
---|
[2899] | 2752 | molidcol.putColumnRange(slice, thecolvals); |
---|
| 2753 | |
---|
[2289] | 2754 | // Set the proper FOCUS_ID |
---|
| 2755 | Float fpa,frot,fax,ftan,fhand,fmount,fuser, fxy, fxyp; |
---|
| 2756 | (*it)->focus().getEntry(fpa, fax, ftan, frot, fhand, fmount,fuser, |
---|
| 2757 | fxy, fxyp, rec.asuInt("FOCUS_ID")); |
---|
| 2758 | id = out->focus().addEntry(fpa, fax, ftan, frot, fhand, fmount,fuser, |
---|
| 2759 | fxy, fxyp); |
---|
| 2760 | thecolvals = id; |
---|
[2899] | 2761 | focusidcol.putColumnRange(slice, thecolvals); |
---|
[2289] | 2762 | |
---|
[2899] | 2763 | // Set the proper SCANNO |
---|
| 2764 | thecolvals = newscanno; |
---|
| 2765 | scannocol.putColumnRange(slice, thecolvals); |
---|
[2289] | 2766 | |
---|
| 2767 | ++subit; |
---|
[841] | 2768 | } |
---|
| 2769 | ++newscanno; |
---|
| 2770 | ++scanit; |
---|
| 2771 | } |
---|
| 2772 | ++it; |
---|
| 2773 | } |
---|
| 2774 | return out; |
---|
| 2775 | } |
---|
[896] | 2776 | |
---|
| 2777 | CountedPtr< Scantable > |
---|
| 2778 | STMath::invertPhase( const CountedPtr < Scantable >& in ) |
---|
| 2779 | { |
---|
[996] | 2780 | return applyToPol(in, &STPol::invertPhase, Float(0.0)); |
---|
[896] | 2781 | } |
---|
| 2782 | |
---|
| 2783 | CountedPtr< Scantable > |
---|
| 2784 | STMath::rotateXYPhase( const CountedPtr < Scantable >& in, float phase ) |
---|
| 2785 | { |
---|
| 2786 | return applyToPol(in, &STPol::rotatePhase, Float(phase)); |
---|
| 2787 | } |
---|
| 2788 | |
---|
| 2789 | CountedPtr< Scantable > |
---|
| 2790 | STMath::rotateLinPolPhase( const CountedPtr < Scantable >& in, float phase ) |
---|
| 2791 | { |
---|
| 2792 | return applyToPol(in, &STPol::rotateLinPolPhase, Float(phase)); |
---|
| 2793 | } |
---|
| 2794 | |
---|
| 2795 | CountedPtr< Scantable > STMath::applyToPol( const CountedPtr<Scantable>& in, |
---|
| 2796 | STPol::polOperation fptr, |
---|
| 2797 | Float phase ) |
---|
| 2798 | { |
---|
| 2799 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 2800 | Table& tout = out->table(); |
---|
| 2801 | Block<String> cols(4); |
---|
| 2802 | cols[0] = String("SCANNO"); |
---|
| 2803 | cols[1] = String("BEAMNO"); |
---|
| 2804 | cols[2] = String("IFNO"); |
---|
| 2805 | cols[3] = String("CYCLENO"); |
---|
| 2806 | TableIterator iter(tout, cols); |
---|
[1569] | 2807 | CountedPtr<STPol> stpol = STPol::getPolClass(out->factories_, |
---|
[1384] | 2808 | out->getPolType() ); |
---|
[896] | 2809 | while (!iter.pastEnd()) { |
---|
| 2810 | Table t = iter.table(); |
---|
| 2811 | ArrayColumn<Float> speccol(t, "SPECTRA"); |
---|
[1015] | 2812 | ScalarColumn<uInt> focidcol(t, "FOCUS_ID"); |
---|
[1384] | 2813 | Matrix<Float> pols(speccol.getColumn()); |
---|
[896] | 2814 | try { |
---|
| 2815 | stpol->setSpectra(pols); |
---|
[1586] | 2816 | Float fang,fhand; |
---|
| 2817 | fang = in->focusTable_.getTotalAngle(focidcol(0)); |
---|
[1015] | 2818 | fhand = in->focusTable_.getFeedHand(focidcol(0)); |
---|
[1586] | 2819 | stpol->setPhaseCorrections(fang, fhand); |
---|
[1384] | 2820 | // use a member function pointer in STPol. This only works on |
---|
| 2821 | // the STPol pointer itself, not the Counted Pointer so |
---|
| 2822 | // derefernce it. |
---|
| 2823 | (&(*(stpol))->*fptr)(phase); |
---|
[896] | 2824 | speccol.putColumn(stpol->getSpectra()); |
---|
| 2825 | } catch (AipsError& e) { |
---|
[1384] | 2826 | //delete stpol;stpol=0; |
---|
[896] | 2827 | throw(e); |
---|
| 2828 | } |
---|
| 2829 | ++iter; |
---|
| 2830 | } |
---|
[1384] | 2831 | //delete stpol;stpol=0; |
---|
[896] | 2832 | return out; |
---|
| 2833 | } |
---|
| 2834 | |
---|
| 2835 | CountedPtr< Scantable > |
---|
| 2836 | STMath::swapPolarisations( const CountedPtr< Scantable > & in ) |
---|
| 2837 | { |
---|
| 2838 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
| 2839 | Table& tout = out->table(); |
---|
| 2840 | Table t0 = tout(tout.col("POLNO") == 0); |
---|
| 2841 | Table t1 = tout(tout.col("POLNO") == 1); |
---|
| 2842 | if ( t0.nrow() != t1.nrow() ) |
---|
| 2843 | throw(AipsError("Inconsistent number of polarisations")); |
---|
| 2844 | ArrayColumn<Float> speccol0(t0, "SPECTRA"); |
---|
| 2845 | ArrayColumn<uChar> flagcol0(t0, "FLAGTRA"); |
---|
| 2846 | ArrayColumn<Float> speccol1(t1, "SPECTRA"); |
---|
| 2847 | ArrayColumn<uChar> flagcol1(t1, "FLAGTRA"); |
---|
| 2848 | Matrix<Float> s0 = speccol0.getColumn(); |
---|
| 2849 | Matrix<uChar> f0 = flagcol0.getColumn(); |
---|
| 2850 | speccol0.putColumn(speccol1.getColumn()); |
---|
| 2851 | flagcol0.putColumn(flagcol1.getColumn()); |
---|
| 2852 | speccol1.putColumn(s0); |
---|
| 2853 | flagcol1.putColumn(f0); |
---|
| 2854 | return out; |
---|
| 2855 | } |
---|
[917] | 2856 | |
---|
| 2857 | CountedPtr< Scantable > |
---|
[940] | 2858 | STMath::averagePolarisations( const CountedPtr< Scantable > & in, |
---|
| 2859 | const std::vector<bool>& mask, |
---|
| 2860 | const std::string& weight ) |
---|
| 2861 | { |
---|
[1232] | 2862 | if (in->npol() < 2 ) |
---|
| 2863 | throw(AipsError("averagePolarisations can only be applied to two or more" |
---|
| 2864 | "polarisations")); |
---|
[1010] | 2865 | bool insitu = insitu_; |
---|
| 2866 | setInsitu(false); |
---|
[1232] | 2867 | CountedPtr< Scantable > pols = getScantable(in, true); |
---|
[1010] | 2868 | setInsitu(insitu); |
---|
| 2869 | Table& tout = pols->table(); |
---|
[1232] | 2870 | std::string taql = "SELECT FROM $1 WHERE POLNO IN [0,1]"; |
---|
| 2871 | Table tab = tableCommand(taql, in->table()); |
---|
| 2872 | if (tab.nrow() == 0 ) |
---|
| 2873 | throw(AipsError("Could not find any rows with POLNO==0 and POLNO==1")); |
---|
| 2874 | TableCopy::copyRows(tout, tab); |
---|
[1145] | 2875 | TableVector<uInt> vec(tout, "POLNO"); |
---|
[940] | 2876 | vec = 0; |
---|
[1145] | 2877 | pols->table_.rwKeywordSet().define("nPol", Int(1)); |
---|
[2102] | 2878 | pols->table_.rwKeywordSet().define("POLTYPE", String("stokes")); |
---|
| 2879 | //pols->table_.rwKeywordSet().define("POLTYPE", in->getPolType()); |
---|
[1010] | 2880 | std::vector<CountedPtr<Scantable> > vpols; |
---|
| 2881 | vpols.push_back(pols); |
---|
[1232] | 2882 | CountedPtr< Scantable > out = average(vpols, mask, weight, "SCAN"); |
---|
[940] | 2883 | return out; |
---|
| 2884 | } |
---|
| 2885 | |
---|
[1145] | 2886 | CountedPtr< Scantable > |
---|
| 2887 | STMath::averageBeams( const CountedPtr< Scantable > & in, |
---|
| 2888 | const std::vector<bool>& mask, |
---|
| 2889 | const std::string& weight ) |
---|
| 2890 | { |
---|
| 2891 | bool insitu = insitu_; |
---|
| 2892 | setInsitu(false); |
---|
| 2893 | CountedPtr< Scantable > beams = getScantable(in, false); |
---|
| 2894 | setInsitu(insitu); |
---|
| 2895 | Table& tout = beams->table(); |
---|
| 2896 | // give all rows the same BEAMNO |
---|
| 2897 | TableVector<uInt> vec(tout, "BEAMNO"); |
---|
| 2898 | vec = 0; |
---|
| 2899 | beams->table_.rwKeywordSet().define("nBeam", Int(1)); |
---|
| 2900 | std::vector<CountedPtr<Scantable> > vbeams; |
---|
| 2901 | vbeams.push_back(beams); |
---|
[1232] | 2902 | CountedPtr< Scantable > out = average(vbeams, mask, weight, "SCAN"); |
---|
[1145] | 2903 | return out; |
---|
| 2904 | } |
---|
[940] | 2905 | |
---|
[1145] | 2906 | |
---|
[940] | 2907 | CountedPtr< Scantable > |
---|
[917] | 2908 | asap::STMath::frequencyAlign( const CountedPtr< Scantable > & in, |
---|
| 2909 | const std::string & refTime, |
---|
[926] | 2910 | const std::string & method) |
---|
[917] | 2911 | { |
---|
[2658] | 2912 | LogIO os( casa::LogOrigin("STMath", "frequencyAlign()", WHERE)); |
---|
[940] | 2913 | // clone as this is not working insitu |
---|
| 2914 | bool insitu = insitu_; |
---|
| 2915 | setInsitu(false); |
---|
[917] | 2916 | CountedPtr< Scantable > out = getScantable(in, false); |
---|
[940] | 2917 | setInsitu(insitu); |
---|
[917] | 2918 | Table& tout = out->table(); |
---|
| 2919 | // Get reference Epoch to time of first row or given String |
---|
| 2920 | Unit DAY(String("d")); |
---|
| 2921 | MEpoch::Ref epochRef(in->getTimeReference()); |
---|
| 2922 | MEpoch refEpoch; |
---|
| 2923 | if (refTime.length()>0) { |
---|
| 2924 | Quantum<Double> qt; |
---|
| 2925 | if (MVTime::read(qt,refTime)) { |
---|
| 2926 | MVEpoch mv(qt); |
---|
| 2927 | refEpoch = MEpoch(mv, epochRef); |
---|
| 2928 | } else { |
---|
| 2929 | throw(AipsError("Invalid format for Epoch string")); |
---|
| 2930 | } |
---|
| 2931 | } else { |
---|
| 2932 | refEpoch = in->timeCol_(0); |
---|
| 2933 | } |
---|
| 2934 | MPosition refPos = in->getAntennaPosition(); |
---|
[940] | 2935 | |
---|
[996] | 2936 | InterpolateArray1D<Double,Float>::InterpolationMethod interp = stringToIMethod(method); |
---|
[1475] | 2937 | /* |
---|
| 2938 | // Comment from MV. |
---|
| 2939 | // the following code has been commented out because different FREQ_IDs have to be aligned together even |
---|
| 2940 | // if the frame doesn't change. So far, lack of this check didn't cause any problems. |
---|
[917] | 2941 | // test if user frame is different to base frame |
---|
| 2942 | if ( in->frequencies().getFrameString(true) |
---|
| 2943 | == in->frequencies().getFrameString(false) ) { |
---|
[985] | 2944 | throw(AipsError("Can't convert as no output frame has been set" |
---|
| 2945 | " (use set_freqframe) or it is aligned already.")); |
---|
[917] | 2946 | } |
---|
[1475] | 2947 | */ |
---|
[917] | 2948 | MFrequency::Types system = in->frequencies().getFrame(); |
---|
[940] | 2949 | MVTime mvt(refEpoch.getValue()); |
---|
| 2950 | String epochout = mvt.string(MVTime::YMD) + String(" (") + refEpoch.getRefString() + String(")"); |
---|
[2818] | 2951 | os << "Aligning at reference Epoch " << epochout |
---|
[2658] | 2952 | << " in frame " << MFrequency::showType(system) << LogIO::POST; |
---|
[917] | 2953 | // set up the iterator |
---|
[926] | 2954 | Block<String> cols(4); |
---|
| 2955 | // select by constant direction |
---|
[917] | 2956 | cols[0] = String("SRCNAME"); |
---|
| 2957 | cols[1] = String("BEAMNO"); |
---|
| 2958 | // select by IF ( no of channels varies over this ) |
---|
| 2959 | cols[2] = String("IFNO"); |
---|
[926] | 2960 | // select by restfrequency |
---|
| 2961 | cols[3] = String("MOLECULE_ID"); |
---|
[917] | 2962 | TableIterator iter(tout, cols); |
---|
[926] | 2963 | while ( !iter.pastEnd() ) { |
---|
[917] | 2964 | Table t = iter.table(); |
---|
[2818] | 2965 | ROScalarColumn<String> snCol(t, "SRCNAME"); |
---|
| 2966 | os << "Aligning to position of source '" << snCol(0) << "'" << LogIO::POST; |
---|
[917] | 2967 | MDirection::ROScalarColumn dirCol(t, "DIRECTION"); |
---|
[926] | 2968 | TableIterator fiter(t, "FREQ_ID"); |
---|
[917] | 2969 | // determine nchan from the first row. This should work as |
---|
[2818] | 2970 | // we are iterating over BEAMNO and IFNO |
---|
| 2971 | // we should have constant direction |
---|
[926] | 2972 | |
---|
[917] | 2973 | ROArrayColumn<Float> sCol(t, "SPECTRA"); |
---|
[1475] | 2974 | const MDirection direction = dirCol(0); |
---|
| 2975 | const uInt nchan = sCol(0).nelements(); |
---|
| 2976 | |
---|
| 2977 | // skip operations if there is nothing to align |
---|
| 2978 | if (fiter.pastEnd()) { |
---|
| 2979 | continue; |
---|
| 2980 | } |
---|
| 2981 | |
---|
| 2982 | Table ftab = fiter.table(); |
---|
| 2983 | // align all frequency ids with respect to the first encountered id |
---|
| 2984 | ScalarColumn<uInt> freqidCol(ftab, "FREQ_ID"); |
---|
| 2985 | // get the SpectralCoordinate for the freqid, which we are iterating over |
---|
[2818] | 2986 | SpectralCoordinate sC = \ |
---|
| 2987 | in->frequencies().getSpectralCoordinate(freqidCol(0)); |
---|
[1475] | 2988 | FrequencyAligner<Float> fa( sC, nchan, refEpoch, |
---|
| 2989 | direction, refPos, system ); |
---|
| 2990 | // realign the SpectralCoordinate and put into the output Scantable |
---|
| 2991 | Vector<String> units(1); |
---|
| 2992 | units = String("Hz"); |
---|
| 2993 | Bool linear=True; |
---|
| 2994 | SpectralCoordinate sc2 = fa.alignedSpectralCoordinate(linear); |
---|
| 2995 | sc2.setWorldAxisUnits(units); |
---|
| 2996 | const uInt id = out->frequencies().addEntry(sc2.referencePixel()[0], |
---|
| 2997 | sc2.referenceValue()[0], |
---|
| 2998 | sc2.increment()[0]); |
---|
[926] | 2999 | while ( !fiter.pastEnd() ) { |
---|
[2818] | 3000 | |
---|
[1475] | 3001 | ftab = fiter.table(); |
---|
| 3002 | // spectral coordinate for the current FREQ_ID |
---|
| 3003 | ScalarColumn<uInt> freqidCol2(ftab, "FREQ_ID"); |
---|
| 3004 | sC = in->frequencies().getSpectralCoordinate(freqidCol2(0)); |
---|
[926] | 3005 | // create the "global" abcissa for alignment with same FREQ_ID |
---|
| 3006 | Vector<Double> abc(nchan); |
---|
[917] | 3007 | for (uInt i=0; i<nchan; i++) { |
---|
[1475] | 3008 | Double w; |
---|
| 3009 | sC.toWorld(w,Double(i)); |
---|
| 3010 | abc[i] = w; |
---|
[917] | 3011 | } |
---|
[1475] | 3012 | TableVector<uInt> tvec(ftab, "FREQ_ID"); |
---|
| 3013 | // assign new frequency id to all rows |
---|
| 3014 | tvec = id; |
---|
[926] | 3015 | // cache abcissa for same time stamps, so iterate over those |
---|
| 3016 | TableIterator timeiter(ftab, "TIME"); |
---|
| 3017 | while ( !timeiter.pastEnd() ) { |
---|
| 3018 | Table tab = timeiter.table(); |
---|
| 3019 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 3020 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
| 3021 | MEpoch::ROScalarColumn timeCol(tab, "TIME"); |
---|
| 3022 | // use align abcissa cache after the first row |
---|
[1475] | 3023 | // these rows should be just be POLNO |
---|
[926] | 3024 | bool first = true; |
---|
[996] | 3025 | for (int i=0; i<int(tab.nrow()); ++i) { |
---|
[926] | 3026 | // input values |
---|
| 3027 | Vector<uChar> flag = flagCol(i); |
---|
| 3028 | Vector<Bool> mask(flag.shape()); |
---|
| 3029 | Vector<Float> specOut, spec; |
---|
| 3030 | spec = specCol(i); |
---|
| 3031 | Vector<Bool> maskOut;Vector<uChar> flagOut; |
---|
| 3032 | convertArray(mask, flag); |
---|
| 3033 | // alignment |
---|
| 3034 | Bool ok = fa.align(specOut, maskOut, abc, spec, |
---|
| 3035 | mask, timeCol(i), !first, |
---|
| 3036 | interp, False); |
---|
[2429] | 3037 | (void) ok; // unused stop compiler nagging |
---|
[926] | 3038 | // back into scantable |
---|
| 3039 | flagOut.resize(maskOut.nelements()); |
---|
| 3040 | convertArray(flagOut, maskOut); |
---|
| 3041 | flagCol.put(i, flagOut); |
---|
| 3042 | specCol.put(i, specOut); |
---|
| 3043 | // start abcissa caching |
---|
| 3044 | first = false; |
---|
[917] | 3045 | } |
---|
[926] | 3046 | // next timestamp |
---|
| 3047 | ++timeiter; |
---|
[917] | 3048 | } |
---|
[940] | 3049 | // next FREQ_ID |
---|
[926] | 3050 | ++fiter; |
---|
[917] | 3051 | } |
---|
| 3052 | // next aligner |
---|
| 3053 | ++iter; |
---|
| 3054 | } |
---|
[940] | 3055 | // set this afterwards to ensure we are doing insitu correctly. |
---|
| 3056 | out->frequencies().setFrame(system, true); |
---|
[917] | 3057 | return out; |
---|
| 3058 | } |
---|
[992] | 3059 | |
---|
| 3060 | CountedPtr<Scantable> |
---|
| 3061 | asap::STMath::convertPolarisation( const CountedPtr<Scantable>& in, |
---|
| 3062 | const std::string & newtype ) |
---|
| 3063 | { |
---|
| 3064 | if (in->npol() != 2 && in->npol() != 4) |
---|
| 3065 | throw(AipsError("Can only convert two or four polarisations.")); |
---|
| 3066 | if ( in->getPolType() == newtype ) |
---|
| 3067 | throw(AipsError("No need to convert.")); |
---|
[1000] | 3068 | if ( ! in->selector_.empty() ) |
---|
| 3069 | throw(AipsError("Can only convert whole scantable. Unset the selection.")); |
---|
[992] | 3070 | bool insitu = insitu_; |
---|
| 3071 | setInsitu(false); |
---|
| 3072 | CountedPtr< Scantable > out = getScantable(in, true); |
---|
| 3073 | setInsitu(insitu); |
---|
| 3074 | Table& tout = out->table(); |
---|
| 3075 | tout.rwKeywordSet().define("POLTYPE", String(newtype)); |
---|
| 3076 | |
---|
| 3077 | Block<String> cols(4); |
---|
| 3078 | cols[0] = "SCANNO"; |
---|
| 3079 | cols[1] = "CYCLENO"; |
---|
| 3080 | cols[2] = "BEAMNO"; |
---|
| 3081 | cols[3] = "IFNO"; |
---|
| 3082 | TableIterator it(in->originalTable_, cols); |
---|
| 3083 | String basetype = in->getPolType(); |
---|
| 3084 | STPol* stpol = STPol::getPolClass(in->factories_, basetype); |
---|
| 3085 | try { |
---|
| 3086 | while ( !it.pastEnd() ) { |
---|
| 3087 | Table tab = it.table(); |
---|
| 3088 | uInt row = tab.rowNumbers()[0]; |
---|
| 3089 | stpol->setSpectra(in->getPolMatrix(row)); |
---|
[1586] | 3090 | Float fang,fhand; |
---|
| 3091 | fang = in->focusTable_.getTotalAngle(in->mfocusidCol_(row)); |
---|
[992] | 3092 | fhand = in->focusTable_.getFeedHand(in->mfocusidCol_(row)); |
---|
[1586] | 3093 | stpol->setPhaseCorrections(fang, fhand); |
---|
[992] | 3094 | Int npolout = 0; |
---|
| 3095 | for (uInt i=0; i<tab.nrow(); ++i) { |
---|
| 3096 | Vector<Float> outvec = stpol->getSpectrum(i, newtype); |
---|
| 3097 | if ( outvec.nelements() > 0 ) { |
---|
| 3098 | tout.addRow(); |
---|
| 3099 | TableCopy::copyRows(tout, tab, tout.nrow()-1, 0, 1); |
---|
| 3100 | ArrayColumn<Float> sCol(tout,"SPECTRA"); |
---|
| 3101 | ScalarColumn<uInt> pCol(tout,"POLNO"); |
---|
| 3102 | sCol.put(tout.nrow()-1 ,outvec); |
---|
| 3103 | pCol.put(tout.nrow()-1 ,uInt(npolout)); |
---|
| 3104 | npolout++; |
---|
| 3105 | } |
---|
| 3106 | } |
---|
| 3107 | tout.rwKeywordSet().define("nPol", npolout); |
---|
| 3108 | ++it; |
---|
| 3109 | } |
---|
| 3110 | } catch (AipsError& e) { |
---|
| 3111 | delete stpol; |
---|
| 3112 | throw(e); |
---|
| 3113 | } |
---|
| 3114 | delete stpol; |
---|
| 3115 | return out; |
---|
| 3116 | } |
---|
[1066] | 3117 | |
---|
[1143] | 3118 | CountedPtr< Scantable > |
---|
[1140] | 3119 | asap::STMath::mxExtract( const CountedPtr< Scantable > & in, |
---|
| 3120 | const std::string & scantype ) |
---|
| 3121 | { |
---|
| 3122 | bool insitu = insitu_; |
---|
| 3123 | setInsitu(false); |
---|
| 3124 | CountedPtr< Scantable > out = getScantable(in, true); |
---|
| 3125 | setInsitu(insitu); |
---|
| 3126 | Table& tout = out->table(); |
---|
| 3127 | std::string taql = "SELECT FROM $1 WHERE BEAMNO != REFBEAMNO"; |
---|
| 3128 | if (scantype == "on") { |
---|
| 3129 | taql = "SELECT FROM $1 WHERE BEAMNO == REFBEAMNO"; |
---|
| 3130 | } |
---|
| 3131 | Table tab = tableCommand(taql, in->table()); |
---|
| 3132 | TableCopy::copyRows(tout, tab); |
---|
| 3133 | if (scantype == "on") { |
---|
[1143] | 3134 | // re-index SCANNO to 0 |
---|
[1140] | 3135 | TableVector<uInt> vec(tout, "SCANNO"); |
---|
| 3136 | vec = 0; |
---|
| 3137 | } |
---|
| 3138 | return out; |
---|
| 3139 | } |
---|
[1192] | 3140 | |
---|
[2177] | 3141 | std::vector<float> |
---|
| 3142 | asap::STMath::fft( const casa::CountedPtr< Scantable > & in, |
---|
| 3143 | const std::vector<int>& whichrow, |
---|
| 3144 | bool getRealImag ) |
---|
| 3145 | { |
---|
| 3146 | std::vector<float> res; |
---|
| 3147 | Table tab = in->table(); |
---|
[2186] | 3148 | std::vector<bool> mask; |
---|
[2177] | 3149 | |
---|
| 3150 | if (whichrow.size() < 1) { // for all rows (by default) |
---|
| 3151 | int nrow = int(tab.nrow()); |
---|
| 3152 | for (int i = 0; i < nrow; ++i) { |
---|
[2186] | 3153 | res = in->execFFT(i, mask, getRealImag); |
---|
[2177] | 3154 | } |
---|
| 3155 | } else { // for specified rows |
---|
| 3156 | for (uInt i = 0; i < whichrow.size(); ++i) { |
---|
[2186] | 3157 | res = in->execFFT(i, mask, getRealImag); |
---|
[2177] | 3158 | } |
---|
| 3159 | } |
---|
| 3160 | |
---|
| 3161 | return res; |
---|
| 3162 | } |
---|
| 3163 | |
---|
| 3164 | |
---|
| 3165 | CountedPtr<Scantable> |
---|
| 3166 | asap::STMath::lagFlag( const CountedPtr<Scantable>& in, |
---|
[1579] | 3167 | double start, double end, |
---|
[2177] | 3168 | const std::string& mode ) |
---|
[1192] | 3169 | { |
---|
[2177] | 3170 | CountedPtr<Scantable> out = getScantable(in, false); |
---|
[1192] | 3171 | Table& tout = out->table(); |
---|
| 3172 | TableIterator iter(tout, "FREQ_ID"); |
---|
| 3173 | FFTServer<Float,Complex> ffts; |
---|
[2177] | 3174 | |
---|
[1192] | 3175 | while ( !iter.pastEnd() ) { |
---|
| 3176 | Table tab = iter.table(); |
---|
| 3177 | Double rp,rv,inc; |
---|
| 3178 | ROTableRow row(tab); |
---|
| 3179 | const TableRecord& rec = row.get(0); |
---|
| 3180 | uInt freqid = rec.asuInt("FREQ_ID"); |
---|
| 3181 | out->frequencies().getEntry(rp, rv, inc, freqid); |
---|
| 3182 | ArrayColumn<Float> specCol(tab, "SPECTRA"); |
---|
| 3183 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA"); |
---|
[2177] | 3184 | |
---|
[1192] | 3185 | for (int i=0; i<int(tab.nrow()); ++i) { |
---|
| 3186 | Vector<Float> spec = specCol(i); |
---|
| 3187 | Vector<uChar> flag = flagCol(i); |
---|
[2186] | 3188 | std::vector<bool> mask; |
---|
| 3189 | for (uInt j = 0; j < flag.nelements(); ++j) { |
---|
| 3190 | mask.push_back(!(flag[j]>0)); |
---|
| 3191 | } |
---|
| 3192 | mathutil::doZeroOrderInterpolation(spec, mask); |
---|
[2177] | 3193 | |
---|
[1192] | 3194 | Vector<Complex> lags; |
---|
[1203] | 3195 | ffts.fft0(lags, spec); |
---|
[2177] | 3196 | |
---|
[1579] | 3197 | Int lag0(start+0.5); |
---|
| 3198 | Int lag1(end+0.5); |
---|
| 3199 | if (mode == "frequency") { |
---|
| 3200 | lag0 = Int(spec.nelements()*abs(inc)/(start)+0.5); |
---|
| 3201 | lag1 = Int(spec.nelements()*abs(inc)/(end)+0.5); |
---|
| 3202 | } |
---|
| 3203 | Int lstart = max(0, lag0); |
---|
[2177] | 3204 | Int lend = min(Int(lags.nelements()-1), lag1); |
---|
[1579] | 3205 | if (lstart == lend) { |
---|
| 3206 | lags[lstart] = Complex(0.0); |
---|
[1192] | 3207 | } else { |
---|
[1579] | 3208 | if (lstart > lend) { |
---|
| 3209 | Int tmp = lend; |
---|
| 3210 | lend = lstart; |
---|
| 3211 | lstart = tmp; |
---|
| 3212 | } |
---|
| 3213 | for (int j=lstart; j <=lend ;++j) { |
---|
[1192] | 3214 | lags[j] = Complex(0.0); |
---|
| 3215 | } |
---|
| 3216 | } |
---|
[2177] | 3217 | |
---|
[1203] | 3218 | ffts.fft0(spec, lags); |
---|
[2177] | 3219 | |
---|
[1192] | 3220 | specCol.put(i, spec); |
---|
| 3221 | } |
---|
| 3222 | ++iter; |
---|
| 3223 | } |
---|
| 3224 | return out; |
---|
| 3225 | } |
---|
[1819] | 3226 | |
---|
| 3227 | // Averaging spectra with different channel/resolution |
---|
| 3228 | CountedPtr<Scantable> |
---|
| 3229 | STMath::new_average( const std::vector<CountedPtr<Scantable> >& in, |
---|
| 3230 | const bool& compel, |
---|
| 3231 | const std::vector<bool>& mask, |
---|
| 3232 | const std::string& weight, |
---|
| 3233 | const std::string& avmode ) |
---|
| 3234 | throw ( casa::AipsError ) |
---|
| 3235 | { |
---|
| 3236 | LogIO os( LogOrigin( "STMath", "new_average()", WHERE ) ) ; |
---|
| 3237 | if ( avmode == "SCAN" && in.size() != 1 ) |
---|
| 3238 | throw(AipsError("Can't perform 'SCAN' averaging on multiple tables.\n" |
---|
| 3239 | "Use merge first.")); |
---|
| 3240 | |
---|
| 3241 | CountedPtr<Scantable> out ; // processed result |
---|
| 3242 | if ( compel ) { |
---|
| 3243 | std::vector< CountedPtr<Scantable> > newin ; // input for average process |
---|
| 3244 | uInt insize = in.size() ; // number of input scantables |
---|
| 3245 | |
---|
[2595] | 3246 | // setup newin |
---|
| 3247 | bool oldInsitu = insitu_ ; |
---|
| 3248 | setInsitu( false ) ; |
---|
| 3249 | newin.resize( insize ) ; |
---|
[1819] | 3250 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
[2595] | 3251 | newin[itable] = getScantable( in[itable], false ) ; |
---|
[1819] | 3252 | } |
---|
[2595] | 3253 | setInsitu( oldInsitu ) ; |
---|
[1819] | 3254 | |
---|
| 3255 | // warning |
---|
| 3256 | os << "Average spectra with different spectral resolution" << LogIO::POST ; |
---|
| 3257 | |
---|
| 3258 | // temporarily set coordinfo |
---|
| 3259 | vector<string> oldinfo( insize ) ; |
---|
| 3260 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3261 | vector<string> coordinfo = in[itable]->getCoordInfo() ; |
---|
| 3262 | oldinfo[itable] = coordinfo[0] ; |
---|
| 3263 | coordinfo[0] = "Hz" ; |
---|
[2595] | 3264 | newin[itable]->setCoordInfo( coordinfo ) ; |
---|
[1819] | 3265 | } |
---|
| 3266 | |
---|
[2595] | 3267 | ostringstream oss ; |
---|
[1819] | 3268 | |
---|
| 3269 | // check IF frequency coverage |
---|
| 3270 | // freqid: list of FREQ_ID, which is used, in each table |
---|
| 3271 | // iffreq: list of minimum and maximum frequency for each FREQ_ID in |
---|
| 3272 | // each table |
---|
| 3273 | // freqid[insize][numIF] |
---|
| 3274 | // freqid: [[id00, id01, ...], |
---|
| 3275 | // [id10, id11, ...], |
---|
| 3276 | // ... |
---|
| 3277 | // [idn0, idn1, ...]] |
---|
| 3278 | // iffreq[insize][numIF*2] |
---|
| 3279 | // iffreq: [[min_id00, max_id00, min_id01, max_id01, ...], |
---|
| 3280 | // [min_id10, max_id10, min_id11, max_id11, ...], |
---|
| 3281 | // ... |
---|
| 3282 | // [min_idn0, max_idn0, min_idn1, max_idn1, ...]] |
---|
| 3283 | //os << "Check IF settings in each table" << LogIO::POST ; |
---|
| 3284 | vector< vector<uInt> > freqid( insize ); |
---|
| 3285 | vector< vector<double> > iffreq( insize ) ; |
---|
| 3286 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
[2595] | 3287 | Vector<uInt> freqIds = newin[itable]->mfreqidCol_.getColumn() ; |
---|
| 3288 | vector<uInt> uniqueFreqId = newin[itable]->getNumbers(newin[itable]->mfreqidCol_) ; |
---|
| 3289 | for ( vector<uInt>::iterator i = uniqueFreqId.begin() ; |
---|
| 3290 | i != uniqueFreqId.end() ; i++ ) { |
---|
| 3291 | //os << "itable = " << itable << ": IF " << id << " is included in the list" << LogIO::POST ; |
---|
| 3292 | uInt target = 0 ; |
---|
| 3293 | while ( freqIds[target] != *i ) |
---|
| 3294 | target++ ; |
---|
| 3295 | vector<double> abcissa = newin[itable]->getAbcissa( target ) ; |
---|
| 3296 | freqid[itable].push_back( *i ) ; |
---|
| 3297 | double incr = abs( abcissa[1] - abcissa[0] ) ; |
---|
| 3298 | iffreq[itable].push_back( (*min_element(abcissa.begin(),abcissa.end()))-0.5*incr ) ; |
---|
| 3299 | iffreq[itable].push_back( (*max_element(abcissa.begin(),abcissa.end()))+0.5*incr ) ; |
---|
[1819] | 3300 | } |
---|
| 3301 | } |
---|
| 3302 | |
---|
| 3303 | // debug |
---|
[2595] | 3304 | // os << "IF settings summary:" << endl ; |
---|
| 3305 | // for ( uInt i = 0 ; i < freqid.size() ; i++ ) { |
---|
| 3306 | // os << " Table" << i << endl ; |
---|
| 3307 | // for ( uInt j = 0 ; j < freqid[i].size() ; j++ ) { |
---|
| 3308 | // os << " id = " << freqid[i][j] << " (min,max) = (" << iffreq[i][2*j] << "," << iffreq[i][2*j+1] << ")" << endl ; |
---|
| 3309 | // } |
---|
| 3310 | // } |
---|
| 3311 | // os << endl ; |
---|
| 3312 | // os.post() ; |
---|
[1819] | 3313 | |
---|
| 3314 | // IF grouping based on their frequency coverage |
---|
[2595] | 3315 | // ifgrp: number of member in each IF group |
---|
| 3316 | // ifgrp[numgrp] |
---|
| 3317 | // ifgrp: [n0, n1, ...] |
---|
[1819] | 3318 | //os << "IF grouping based on their frequency coverage" << LogIO::POST ; |
---|
| 3319 | |
---|
| 3320 | // parameter for IF grouping |
---|
| 3321 | // groupmode = OR retrieve all region |
---|
| 3322 | // AND only retrieve overlaped region |
---|
| 3323 | //string groupmode = "AND" ; |
---|
| 3324 | string groupmode = "OR" ; |
---|
| 3325 | uInt sizecr = 0 ; |
---|
| 3326 | if ( groupmode == "AND" ) |
---|
[2476] | 3327 | sizecr = 1 ; |
---|
[1819] | 3328 | else if ( groupmode == "OR" ) |
---|
| 3329 | sizecr = 0 ; |
---|
| 3330 | |
---|
| 3331 | vector<double> sortedfreq ; |
---|
| 3332 | for ( uInt i = 0 ; i < iffreq.size() ; i++ ) { |
---|
| 3333 | for ( uInt j = 0 ; j < iffreq[i].size() ; j++ ) { |
---|
| 3334 | if ( count( sortedfreq.begin(), sortedfreq.end(), iffreq[i][j] ) == 0 ) |
---|
| 3335 | sortedfreq.push_back( iffreq[i][j] ) ; |
---|
| 3336 | } |
---|
| 3337 | } |
---|
| 3338 | sort( sortedfreq.begin(), sortedfreq.end() ) ; |
---|
[2595] | 3339 | vector<uInt> ifgrp( sortedfreq.size()-1, 0 ) ; |
---|
[1819] | 3340 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3341 | for ( uInt iif = 0 ; iif < freqid[itable].size() ; iif++ ) { |
---|
| 3342 | double range0 = iffreq[itable][2*iif] ; |
---|
| 3343 | double range1 = iffreq[itable][2*iif+1] ; |
---|
[2595] | 3344 | for ( uInt j = 0 ; j < sortedfreq.size()-1 ; j++ ) { |
---|
| 3345 | double fmin = max( range0, sortedfreq[j] ) ; |
---|
| 3346 | double fmax = min( range1, sortedfreq[j+1] ) ; |
---|
| 3347 | if ( fmin < fmax ) { |
---|
| 3348 | ifgrp[j]++ ; |
---|
| 3349 | } |
---|
| 3350 | } |
---|
[1819] | 3351 | } |
---|
| 3352 | } |
---|
| 3353 | |
---|
| 3354 | // Grouping continuous IF groups (without frequency gap) |
---|
| 3355 | // freqgrp: list of IF group indexes in each frequency group |
---|
| 3356 | // freqgrp[numgrp][nummember] |
---|
| 3357 | // freqgrp: [[ifgrp00, ifgrp01, ifgrp02, ...], |
---|
| 3358 | // [ifgrp10, ifgrp11, ifgrp12, ...], |
---|
| 3359 | // ... |
---|
| 3360 | // [ifgrpn0, ifgrpn1, ifgrpn2, ...]] |
---|
[2595] | 3361 | // grprange[2*numgrp] |
---|
| 3362 | // grprange: [fmin0,fmax0,fmin1,fmax1,...] |
---|
[1819] | 3363 | vector< vector<uInt> > freqgrp ; |
---|
[2595] | 3364 | vector<double> grprange ; |
---|
| 3365 | vector<uInt> grpedge ; |
---|
| 3366 | for ( uInt igrp = 0 ; igrp < ifgrp.size() ; igrp++ ) { |
---|
| 3367 | if ( ifgrp[igrp] <= sizecr ) { |
---|
| 3368 | grpedge.push_back( igrp ) ; |
---|
[1819] | 3369 | } |
---|
[2595] | 3370 | } |
---|
| 3371 | grpedge.push_back( ifgrp.size() ) ; |
---|
| 3372 | uInt itmp = 0 ; |
---|
| 3373 | for ( uInt i = 0 ; i < grpedge.size() ; i++ ) { |
---|
| 3374 | int n = grpedge[i] - itmp ; |
---|
| 3375 | if ( n > 0 ) { |
---|
| 3376 | vector<uInt> members( n ) ; |
---|
| 3377 | for ( int j = 0 ; j < n ; j++ ) { |
---|
| 3378 | members[j] = itmp+j ; |
---|
| 3379 | } |
---|
| 3380 | freqgrp.push_back( members ) ; |
---|
| 3381 | grprange.push_back( sortedfreq[itmp] ) ; |
---|
| 3382 | grprange.push_back( sortedfreq[grpedge[i]] ) ; |
---|
[1819] | 3383 | } |
---|
[2595] | 3384 | itmp += n + 1 ; |
---|
[1819] | 3385 | } |
---|
| 3386 | |
---|
| 3387 | // print frequency group |
---|
| 3388 | oss.str("") ; |
---|
| 3389 | oss << "Frequency Group summary: " << endl ; |
---|
[2595] | 3390 | oss << " GROUP_ID: [FREQ_MIN, FREQ_MAX]" << endl ; |
---|
[1819] | 3391 | for ( uInt i = 0 ; i < freqgrp.size() ; i++ ) { |
---|
[2595] | 3392 | oss << " GROUP " << setw( 2 ) << i << ": [" << grprange[2*i] << "," << grprange[2*i+1] << "]" ; |
---|
[1819] | 3393 | oss << endl ; |
---|
| 3394 | } |
---|
| 3395 | oss << endl ; |
---|
| 3396 | os << oss.str() << LogIO::POST ; |
---|
| 3397 | |
---|
[2595] | 3398 | // groups: list of frequency group index whose frequency range overlaps |
---|
| 3399 | // with that of each table and IF |
---|
| 3400 | // groups[numtable][numIF] |
---|
| 3401 | // groups: [[grpx, grpy,...], |
---|
| 3402 | // [grpa, grpb,...], |
---|
[1819] | 3403 | // ... |
---|
[2595] | 3404 | // [grpk, grpm,...]] |
---|
| 3405 | vector< vector<uInt> > groups( insize ) ; |
---|
[1819] | 3406 | for ( uInt i = 0 ; i < insize ; i++ ) { |
---|
| 3407 | groups[i].resize( freqid[i].size() ) ; |
---|
| 3408 | } |
---|
[2595] | 3409 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3410 | for ( uInt ifreq = 0 ; ifreq < freqid[itable].size() ; ifreq++ ) { |
---|
| 3411 | double minf = iffreq[itable][2*ifreq] ; |
---|
| 3412 | uInt groupid ; |
---|
| 3413 | for ( uInt igrp = 0 ; igrp < freqgrp.size() ; igrp++ ) { |
---|
| 3414 | vector<uInt> memberlist = freqgrp[igrp] ; |
---|
| 3415 | if ( (minf >= grprange[2*igrp]) && (minf <= grprange[2*igrp+1]) ) { |
---|
| 3416 | groupid = igrp ; |
---|
| 3417 | break ; |
---|
| 3418 | } |
---|
| 3419 | } |
---|
| 3420 | groups[itable][ifreq] = groupid ; |
---|
[1819] | 3421 | } |
---|
| 3422 | } |
---|
[2595] | 3423 | |
---|
[1819] | 3424 | |
---|
| 3425 | // print membership |
---|
[2595] | 3426 | oss.str("") ; |
---|
[1819] | 3427 | for ( uInt i = 0 ; i < insize ; i++ ) { |
---|
[2595] | 3428 | oss << "Table " << i << endl ; |
---|
| 3429 | for ( uInt j = 0 ; j < groups[i].size() ; j++ ) { |
---|
| 3430 | oss << " FREQ_ID " << setw( 2 ) << freqid[i][j] << ": " ; |
---|
| 3431 | oss << setw( 2 ) << groups[i][j] ; |
---|
| 3432 | oss << endl ; |
---|
[1819] | 3433 | } |
---|
| 3434 | } |
---|
[2595] | 3435 | os << oss.str() << LogIO::POST ; |
---|
[1819] | 3436 | |
---|
| 3437 | // reset SCANNO and IFNO/FREQ_ID: IF is reset by the result of sortation |
---|
| 3438 | //os << "All IF number is set to IF group index" << LogIO::POST ; |
---|
[2479] | 3439 | // reset SCANNO only when avmode != "SCAN" |
---|
| 3440 | if ( avmode != "SCAN" ) { |
---|
| 3441 | os << "All scan number is set to 0" << LogIO::POST ; |
---|
| 3442 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3443 | uInt nrow = newin[itable]->nrow() ; |
---|
[2595] | 3444 | Vector<uInt> resetScan( nrow, 0 ) ; |
---|
| 3445 | newin[itable]->scanCol_.putColumn( resetScan ) ; |
---|
[2479] | 3446 | } |
---|
| 3447 | } |
---|
[2595] | 3448 | |
---|
| 3449 | // reset spectra and flagtra: align spectral resolution |
---|
| 3450 | //os << "Align spectral resolution" << LogIO::POST ; |
---|
| 3451 | // gmaxdnu: the coarsest frequency resolution in the frequency group |
---|
| 3452 | // gminfreq: lower frequency edge of the frequency group |
---|
| 3453 | // gnchan: number of channels for the frequency group |
---|
| 3454 | vector<double> gmaxdnu( freqgrp.size(), 0.0 ) ; |
---|
| 3455 | vector<double> gminfreq( freqgrp.size() ) ; |
---|
| 3456 | vector<double> gnchan( freqgrp.size() ) ; |
---|
| 3457 | for ( uInt i = 0 ; i < insize ; i++ ) { |
---|
| 3458 | vector<uInt> members = groups[i] ; |
---|
| 3459 | for ( uInt j = 0 ; j < members.size() ; j++ ) { |
---|
| 3460 | uInt groupid = members[j] ; |
---|
| 3461 | Double rp,rv,ic ; |
---|
| 3462 | newin[i]->frequencies().getEntry( rp, rv, ic, j ) ; |
---|
| 3463 | if ( abs(ic) > abs(gmaxdnu[groupid]) ) |
---|
| 3464 | gmaxdnu[groupid] = ic ; |
---|
[1819] | 3465 | } |
---|
| 3466 | } |
---|
[2595] | 3467 | for ( uInt igrp = 0 ; igrp < freqgrp.size() ; igrp++ ) { |
---|
| 3468 | gminfreq[igrp] = grprange[2*igrp] ; |
---|
| 3469 | double maxfreq = grprange[2*igrp+1] ; |
---|
| 3470 | gnchan[igrp] = (int)(abs((maxfreq-gminfreq[igrp])/gmaxdnu[igrp])+0.9) ; |
---|
[1819] | 3471 | } |
---|
[2595] | 3472 | |
---|
| 3473 | // regrid spectral data and update frequency info |
---|
[1819] | 3474 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
[2595] | 3475 | Vector<uInt> oldFreqId = newin[itable]->mfreqidCol_.getColumn() ; |
---|
| 3476 | Vector<uInt> newFreqId( oldFreqId.nelements() ) ; |
---|
[1819] | 3477 | |
---|
[2595] | 3478 | // update MAIN |
---|
| 3479 | for ( uInt irow = 0 ; irow < newin[itable]->nrow() ; irow++ ) { |
---|
| 3480 | uInt groupid = groups[itable][oldFreqId[irow]] ; |
---|
| 3481 | newFreqId[irow] = groupid ; |
---|
| 3482 | newin[itable]->regridChannel( gnchan[groupid], |
---|
| 3483 | gmaxdnu[groupid], |
---|
| 3484 | gminfreq[groupid], |
---|
| 3485 | irow ) ; |
---|
[1819] | 3486 | } |
---|
[2595] | 3487 | newin[itable]->mfreqidCol_.putColumn( newFreqId ) ; |
---|
| 3488 | newin[itable]->ifCol_.putColumn( newFreqId ) ; |
---|
[1819] | 3489 | |
---|
[2595] | 3490 | // update FREQUENCIES |
---|
| 3491 | Table tab = newin[itable]->frequencies().table() ; |
---|
| 3492 | ScalarColumn<uInt> fIdCol( tab, "ID" ) ; |
---|
| 3493 | ScalarColumn<Double> fRefPixCol( tab, "REFPIX" ) ; |
---|
| 3494 | ScalarColumn<Double> fRefValCol( tab, "REFVAL" ) ; |
---|
| 3495 | ScalarColumn<Double> fIncrCol( tab, "INCREMENT" ) ; |
---|
| 3496 | if ( freqgrp.size() > tab.nrow() ) { |
---|
| 3497 | tab.addRow( freqgrp.size()-tab.nrow() ) ; |
---|
[1819] | 3498 | } |
---|
[2595] | 3499 | for ( uInt irow = 0 ; irow < freqgrp.size() ; irow++ ) { |
---|
| 3500 | Double refval = gminfreq[irow] + 0.5 * abs(gmaxdnu[irow]) ; |
---|
| 3501 | Double refpix = (gmaxdnu[irow] > 0.0) ? 0 : gnchan[irow]-1 ; |
---|
| 3502 | Double increment = gmaxdnu[irow] ; |
---|
| 3503 | fIdCol.put( irow, irow ) ; |
---|
| 3504 | fRefPixCol.put( irow, refpix ) ; |
---|
| 3505 | fRefValCol.put( irow, refval ) ; |
---|
| 3506 | fIncrCol.put( irow, increment ) ; |
---|
[1819] | 3507 | } |
---|
| 3508 | } |
---|
| 3509 | |
---|
| 3510 | // set back coordinfo |
---|
| 3511 | for ( uInt itable = 0 ; itable < insize ; itable++ ) { |
---|
| 3512 | vector<string> coordinfo = newin[itable]->getCoordInfo() ; |
---|
| 3513 | coordinfo[0] = oldinfo[itable] ; |
---|
| 3514 | newin[itable]->setCoordInfo( coordinfo ) ; |
---|
[2595] | 3515 | } |
---|
[1819] | 3516 | |
---|
| 3517 | // average |
---|
[2595] | 3518 | out = average( newin, mask, weight, avmode ) ; |
---|
[1819] | 3519 | } |
---|
| 3520 | else { |
---|
| 3521 | // simple average |
---|
| 3522 | out = average( in, mask, weight, avmode ) ; |
---|
| 3523 | } |
---|
| 3524 | |
---|
[2345] | 3525 | return out; |
---|
[1819] | 3526 | } |
---|
| 3527 | |
---|
| 3528 | CountedPtr<Scantable> STMath::cwcal( const CountedPtr<Scantable>& s, |
---|
| 3529 | const String calmode, |
---|
| 3530 | const String antname ) |
---|
| 3531 | { |
---|
| 3532 | // frequency switch |
---|
| 3533 | if ( calmode == "fs" ) { |
---|
| 3534 | return cwcalfs( s, antname ) ; |
---|
| 3535 | } |
---|
| 3536 | else { |
---|
| 3537 | vector<bool> masks = s->getMask( 0 ) ; |
---|
| 3538 | vector<int> types ; |
---|
| 3539 | |
---|
[2580] | 3540 | // save original table selection |
---|
| 3541 | Table torg = s->table_ ; |
---|
| 3542 | |
---|
[1819] | 3543 | // sky scan |
---|
[2580] | 3544 | bool insitu = insitu_ ; |
---|
| 3545 | insitu_ = false ; |
---|
| 3546 | // share calibration scans before average with out |
---|
| 3547 | CountedPtr<Scantable> out = getScantable( s, true ) ; |
---|
| 3548 | insitu_ = insitu ; |
---|
| 3549 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::SKY ) ; |
---|
| 3550 | out->attach() ; |
---|
| 3551 | CountedPtr<Scantable> asky = averageWithinSession( out, |
---|
| 3552 | masks, |
---|
| 3553 | "TINT" ) ; |
---|
[1819] | 3554 | // hot scan |
---|
[2580] | 3555 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::HOT ) ; |
---|
| 3556 | out->attach() ; |
---|
| 3557 | CountedPtr<Scantable> ahot = averageWithinSession( out, |
---|
| 3558 | masks, |
---|
| 3559 | "TINT" ) ; |
---|
[1819] | 3560 | // cold scan |
---|
| 3561 | CountedPtr<Scantable> acold ; |
---|
[2580] | 3562 | // out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::COLD ) ; |
---|
| 3563 | // out->attach() ; |
---|
| 3564 | // CountedPtr<Scantable> acold = averageWithinSession( out, |
---|
| 3565 | // masks, |
---|
| 3566 | // "TINT" ) ; |
---|
[1819] | 3567 | |
---|
| 3568 | // off scan |
---|
[2580] | 3569 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSOFF ) ; |
---|
| 3570 | out->attach() ; |
---|
| 3571 | CountedPtr<Scantable> aoff = averageWithinSession( out, |
---|
| 3572 | masks, |
---|
| 3573 | "TINT" ) ; |
---|
[1819] | 3574 | |
---|
| 3575 | // on scan |
---|
[2580] | 3576 | s->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSON ) ; |
---|
| 3577 | s->attach() ; |
---|
| 3578 | out->table_ = out->originalTable_ ; |
---|
| 3579 | out->attach() ; |
---|
| 3580 | out->table().addRow( s->nrow() ) ; |
---|
| 3581 | copyRows( out->table(), s->table(), 0, 0, s->nrow(), False, True, False ) ; |
---|
[1819] | 3582 | |
---|
| 3583 | // process each on scan |
---|
[2580] | 3584 | STSelector sel ; |
---|
| 3585 | vector<string> cols( 3 ) ; |
---|
| 3586 | cols[0] = "BEAMNO" ; |
---|
| 3587 | cols[1] = "POLNO" ; |
---|
| 3588 | cols[2] = "IFNO" ; |
---|
[2916] | 3589 | STIdxIter2 iter(out, cols); |
---|
| 3590 | while ( !iter.pastEnd() ) { |
---|
| 3591 | Record ids = iter.currentValue(); |
---|
[2580] | 3592 | stringstream ss ; |
---|
| 3593 | ss << "SELECT FROM $1 WHERE " |
---|
[2916] | 3594 | << "BEAMNO==" << ids.asuInt("BEAMNO") << "&&" |
---|
| 3595 | << "POLNO==" << ids.asuInt("POLNO") << "&&" |
---|
| 3596 | << "IFNO==" << ids.asuInt("IFNO") ; |
---|
[2580] | 3597 | //cout << "TaQL string: " << ss.str() << endl ; |
---|
| 3598 | sel.setTaQL( ss.str() ) ; |
---|
| 3599 | aoff->setSelection( sel ) ; |
---|
| 3600 | ahot->setSelection( sel ) ; |
---|
| 3601 | asky->setSelection( sel ) ; |
---|
[2916] | 3602 | Vector<uInt> rows = iter.getRows( SHARE ) ; |
---|
[2580] | 3603 | // out should be an exact copy of s except that SPECTRA column is empty |
---|
| 3604 | calibrateCW( out, s, aoff, asky, ahot, acold, rows, antname ) ; |
---|
| 3605 | aoff->unsetSelection() ; |
---|
| 3606 | ahot->unsetSelection() ; |
---|
[1819] | 3607 | asky->unsetSelection() ; |
---|
| 3608 | sel.reset() ; |
---|
[2916] | 3609 | iter.next() ; |
---|
[1819] | 3610 | } |
---|
[2580] | 3611 | s->table_ = torg ; |
---|
| 3612 | s->attach() ; |
---|
[1819] | 3613 | |
---|
| 3614 | // flux unit |
---|
| 3615 | out->setFluxUnit( "K" ) ; |
---|
| 3616 | |
---|
| 3617 | return out ; |
---|
| 3618 | } |
---|
| 3619 | } |
---|
| 3620 | |
---|
| 3621 | CountedPtr<Scantable> STMath::almacal( const CountedPtr<Scantable>& s, |
---|
| 3622 | const String calmode ) |
---|
| 3623 | { |
---|
| 3624 | // frequency switch |
---|
| 3625 | if ( calmode == "fs" ) { |
---|
| 3626 | return almacalfs( s ) ; |
---|
| 3627 | } |
---|
| 3628 | else { |
---|
[2580] | 3629 | // double t0, t1 ; |
---|
| 3630 | // t0 = mathutil::gettimeofday_sec() ; |
---|
[1819] | 3631 | vector<bool> masks = s->getMask( 0 ) ; |
---|
[2580] | 3632 | |
---|
| 3633 | // save original table selection |
---|
| 3634 | Table torg = s->table_ ; |
---|
| 3635 | |
---|
[1819] | 3636 | // off scan |
---|
| 3637 | // TODO 2010/01/08 TN |
---|
| 3638 | // Grouping by time should be needed before averaging. |
---|
| 3639 | // Each group must have own unique SCANNO (should be renumbered). |
---|
| 3640 | // See PIPELINE/SDCalibration.py |
---|
| 3641 | bool insitu = insitu_ ; |
---|
| 3642 | insitu_ = false ; |
---|
[2580] | 3643 | // share off scan before average with out |
---|
[1819] | 3644 | CountedPtr<Scantable> out = getScantable( s, true ) ; |
---|
[2580] | 3645 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSOFF ) ; |
---|
| 3646 | out->attach() ; |
---|
[1819] | 3647 | insitu_ = insitu ; |
---|
[2580] | 3648 | CountedPtr<Scantable> aoff = averageWithinSession( out, |
---|
| 3649 | masks, |
---|
| 3650 | "TINT" ) ; |
---|
| 3651 | |
---|
| 3652 | // on scan |
---|
| 3653 | // t0 = mathutil::gettimeofday_sec() ; |
---|
| 3654 | s->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSON ) ; |
---|
| 3655 | s->attach() ; |
---|
| 3656 | out->table_ = out->originalTable_ ; |
---|
| 3657 | out->attach() ; |
---|
| 3658 | out->table().addRow( s->nrow() ) ; |
---|
| 3659 | copyRows( out->table(), s->table(), 0, 0, s->nrow(), False ) ; |
---|
| 3660 | // t1 = mathutil::gettimeofday_sec() ; |
---|
| 3661 | // cout << "elapsed time for preparing output table: " << t1-t0 << " sec" << endl ; |
---|
| 3662 | |
---|
[1819] | 3663 | // process each on scan |
---|
[2580] | 3664 | // t0 = mathutil::gettimeofday_sec() ; |
---|
| 3665 | |
---|
[2916] | 3666 | // using STIdxIter2 |
---|
[2580] | 3667 | vector<string> cols( 3 ) ; |
---|
| 3668 | cols[0] = "BEAMNO" ; |
---|
| 3669 | cols[1] = "POLNO" ; |
---|
| 3670 | cols[2] = "IFNO" ; |
---|
[2911] | 3671 | STIdxIter2 iter( out, cols ) ; |
---|
[2580] | 3672 | STSelector sel ; |
---|
[2911] | 3673 | while ( !iter.pastEnd() ) { |
---|
| 3674 | Record ids = iter.currentValue() ; |
---|
[2580] | 3675 | stringstream ss ; |
---|
| 3676 | ss << "SELECT FROM $1 WHERE " |
---|
[2911] | 3677 | << "BEAMNO==" << ids.asuInt(cols[0]) << "&&" |
---|
| 3678 | << "POLNO==" << ids.asuInt(cols[1]) << "&&" |
---|
| 3679 | << "IFNO==" << ids.asuInt(cols[2]) ; |
---|
[2580] | 3680 | //cout << "TaQL string: " << ss.str() << endl ; |
---|
| 3681 | sel.setTaQL( ss.str() ) ; |
---|
| 3682 | aoff->setSelection( sel ) ; |
---|
[2911] | 3683 | Vector<uInt> rows = iter.getRows( SHARE ) ; |
---|
[2580] | 3684 | // out should be an exact copy of s except that SPECTRA column is empty |
---|
| 3685 | calibrateALMA( out, s, aoff, rows ) ; |
---|
| 3686 | aoff->unsetSelection() ; |
---|
| 3687 | sel.reset() ; |
---|
[2911] | 3688 | iter.next() ; |
---|
[1819] | 3689 | } |
---|
[2580] | 3690 | s->table_ = torg ; |
---|
| 3691 | s->attach() ; |
---|
[1819] | 3692 | |
---|
[2580] | 3693 | // t1 = mathutil::gettimeofday_sec() ; |
---|
| 3694 | // cout << "elapsed time for calibration: " << t1-t0 << " sec" << endl ; |
---|
| 3695 | |
---|
[1819] | 3696 | // flux unit |
---|
| 3697 | out->setFluxUnit( "K" ) ; |
---|
| 3698 | |
---|
| 3699 | return out ; |
---|
| 3700 | } |
---|
| 3701 | } |
---|
| 3702 | |
---|
| 3703 | CountedPtr<Scantable> STMath::cwcalfs( const CountedPtr<Scantable>& s, |
---|
| 3704 | const String antname ) |
---|
| 3705 | { |
---|
| 3706 | vector<int> types ; |
---|
| 3707 | |
---|
| 3708 | // APEX calibration mode |
---|
| 3709 | int apexcalmode = 1 ; |
---|
| 3710 | |
---|
| 3711 | if ( antname.find( "APEX" ) != string::npos ) { |
---|
| 3712 | // check if off scan exists or not |
---|
| 3713 | STSelector sel = STSelector() ; |
---|
| 3714 | //sel.setName( offstr1 ) ; |
---|
| 3715 | types.push_back( SrcType::FLOOFF ) ; |
---|
| 3716 | sel.setTypes( types ) ; |
---|
| 3717 | try { |
---|
| 3718 | s->setSelection( sel ) ; |
---|
| 3719 | } |
---|
| 3720 | catch ( AipsError &e ) { |
---|
| 3721 | apexcalmode = 0 ; |
---|
| 3722 | } |
---|
| 3723 | sel.reset() ; |
---|
| 3724 | } |
---|
| 3725 | s->unsetSelection() ; |
---|
| 3726 | types.clear() ; |
---|
| 3727 | |
---|
| 3728 | vector<bool> masks = s->getMask( 0 ) ; |
---|
| 3729 | CountedPtr<Scantable> ssig, sref ; |
---|
[2580] | 3730 | //CountedPtr<Scantable> out ; |
---|
| 3731 | bool insitu = insitu_ ; |
---|
| 3732 | insitu_ = False ; |
---|
| 3733 | CountedPtr<Scantable> out = getScantable( s, true ) ; |
---|
| 3734 | insitu_ = insitu ; |
---|
[1819] | 3735 | |
---|
| 3736 | if ( antname.find( "APEX" ) != string::npos ) { |
---|
| 3737 | // APEX calibration |
---|
| 3738 | // sky scan |
---|
[2580] | 3739 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FLOSKY ) ; |
---|
| 3740 | out->attach() ; |
---|
| 3741 | CountedPtr<Scantable> askylo = averageWithinSession( out, |
---|
| 3742 | masks, |
---|
| 3743 | "TINT" ) ; |
---|
| 3744 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FHISKY ) ; |
---|
| 3745 | out->attach() ; |
---|
| 3746 | CountedPtr<Scantable> askyhi = averageWithinSession( out, |
---|
| 3747 | masks, |
---|
| 3748 | "TINT" ) ; |
---|
[1819] | 3749 | |
---|
| 3750 | // hot scan |
---|
[2580] | 3751 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FLOHOT ) ; |
---|
| 3752 | out->attach() ; |
---|
| 3753 | CountedPtr<Scantable> ahotlo = averageWithinSession( out, |
---|
| 3754 | masks, |
---|
| 3755 | "TINT" ) ; |
---|
| 3756 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FHIHOT ) ; |
---|
| 3757 | out->attach() ; |
---|
| 3758 | CountedPtr<Scantable> ahothi = averageWithinSession( out, |
---|
| 3759 | masks, |
---|
| 3760 | "TINT" ) ; |
---|
[1819] | 3761 | |
---|
| 3762 | // cold scan |
---|
| 3763 | CountedPtr<Scantable> acoldlo, acoldhi ; |
---|
[2580] | 3764 | // out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FLOCOLD ) ; |
---|
| 3765 | // out->attach() ; |
---|
| 3766 | // CountedPtr<Scantable> acoldlo = averageWithinSession( out, |
---|
| 3767 | // masks, |
---|
| 3768 | // "TINT" ) ; |
---|
| 3769 | // out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FHICOLD ) ; |
---|
| 3770 | // out->attach() ; |
---|
| 3771 | // CountedPtr<Scantable> acoldhi = averageWithinSession( out, |
---|
| 3772 | // masks, |
---|
| 3773 | // "TINT" ) ; |
---|
[1819] | 3774 | |
---|
| 3775 | // ref scan |
---|
| 3776 | insitu_ = false ; |
---|
| 3777 | sref = getScantable( s, true ) ; |
---|
[2580] | 3778 | CountedPtr<Scantable> rref = getScantable( s, true ) ; |
---|
[1819] | 3779 | insitu_ = insitu ; |
---|
[2580] | 3780 | rref->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FSLO ) ; |
---|
| 3781 | rref->attach() ; |
---|
| 3782 | copyRows( sref->table_, rref->table_, 0, 0, rref->nrow(), False, True, False ) ; |
---|
[1819] | 3783 | |
---|
| 3784 | // sig scan |
---|
| 3785 | insitu_ = false ; |
---|
| 3786 | ssig = getScantable( s, true ) ; |
---|
[2580] | 3787 | CountedPtr<Scantable> rsig = getScantable( s, true ) ; |
---|
[1819] | 3788 | insitu_ = insitu ; |
---|
[2580] | 3789 | rsig->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FSHI ) ; |
---|
| 3790 | rsig->attach() ; |
---|
| 3791 | copyRows( ssig->table_, rsig->table_, 0, 0, rsig->nrow(), False, True, False ) ; |
---|
[1819] | 3792 | |
---|
| 3793 | if ( apexcalmode == 0 ) { |
---|
[2916] | 3794 | // using STIdxIter2 |
---|
[2580] | 3795 | vector<string> cols( 3 ) ; |
---|
| 3796 | cols[0] = "BEAMNO" ; |
---|
| 3797 | cols[1] = "POLNO" ; |
---|
| 3798 | cols[2] = "IFNO" ; |
---|
[2916] | 3799 | STIdxIter2 iter(ssig, cols) ; |
---|
[2580] | 3800 | STSelector sel ; |
---|
| 3801 | vector< CountedPtr<Scantable> > on( 2 ) ; |
---|
| 3802 | on[0] = rsig ; |
---|
| 3803 | on[1] = rref ; |
---|
| 3804 | vector< CountedPtr<Scantable> > sky( 2 ) ; |
---|
| 3805 | sky[0] = askylo ; |
---|
| 3806 | sky[1] = askyhi ; |
---|
| 3807 | vector< CountedPtr<Scantable> > hot( 2 ) ; |
---|
| 3808 | hot[0] = ahotlo ; |
---|
| 3809 | hot[1] = ahothi ; |
---|
| 3810 | vector< CountedPtr<Scantable> > cold( 2 ) ; |
---|
[2916] | 3811 | while ( !iter.pastEnd() ) { |
---|
| 3812 | Record ids = iter.currentValue() ; |
---|
[2580] | 3813 | stringstream ss ; |
---|
| 3814 | ss << "SELECT FROM $1 WHERE " |
---|
[2916] | 3815 | << "BEAMNO==" << ids.asuInt("BEAMNO") << "&&" |
---|
| 3816 | << "POLNO==" << ids.asuInt("POLNO") << "&&" |
---|
| 3817 | << "IFNO==" << ids.asuInt("IFNO") ; |
---|
[2580] | 3818 | //cout << "TaQL string: " << ss.str() << endl ; |
---|
| 3819 | sel.setTaQL( ss.str() ) ; |
---|
| 3820 | sky[0]->setSelection( sel ) ; |
---|
| 3821 | sky[1]->setSelection( sel ) ; |
---|
| 3822 | hot[0]->setSelection( sel ) ; |
---|
| 3823 | hot[1]->setSelection( sel ) ; |
---|
[2916] | 3824 | Vector<uInt> rows = iter.getRows( SHARE ) ; |
---|
[2580] | 3825 | calibrateAPEXFS( ssig, sref, on, sky, hot, cold, rows ) ; |
---|
| 3826 | sky[0]->unsetSelection() ; |
---|
| 3827 | sky[1]->unsetSelection() ; |
---|
| 3828 | hot[0]->unsetSelection() ; |
---|
| 3829 | hot[1]->unsetSelection() ; |
---|
[1819] | 3830 | sel.reset() ; |
---|
[2916] | 3831 | iter.next() ; |
---|
[1819] | 3832 | } |
---|
[2580] | 3833 | |
---|
[1819] | 3834 | } |
---|
| 3835 | else if ( apexcalmode == 1 ) { |
---|
| 3836 | // APEX fs data with off scan |
---|
| 3837 | // off scan |
---|
[2580] | 3838 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FLOOFF ) ; |
---|
| 3839 | out->attach() ; |
---|
| 3840 | CountedPtr<Scantable> aofflo = averageWithinSession( out, |
---|
| 3841 | masks, |
---|
| 3842 | "TINT" ) ; |
---|
| 3843 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FHIOFF ) ; |
---|
| 3844 | out->attach() ; |
---|
| 3845 | CountedPtr<Scantable> aoffhi = averageWithinSession( out, |
---|
| 3846 | masks, |
---|
| 3847 | "TINT" ) ; |
---|
[1819] | 3848 | |
---|
| 3849 | // process each sig and ref scan |
---|
[2580] | 3850 | // STSelector sel ; |
---|
| 3851 | vector<string> cols( 3 ) ; |
---|
| 3852 | cols[0] = "BEAMNO" ; |
---|
| 3853 | cols[1] = "POLNO" ; |
---|
| 3854 | cols[2] = "IFNO" ; |
---|
[2916] | 3855 | STIdxIter2 iter(ssig, cols); |
---|
[2580] | 3856 | STSelector sel ; |
---|
[2916] | 3857 | while ( !iter.pastEnd() ) { |
---|
| 3858 | Record ids = iter.currentValue() ; |
---|
[2580] | 3859 | stringstream ss ; |
---|
| 3860 | ss << "SELECT FROM $1 WHERE " |
---|
[2916] | 3861 | << "BEAMNO==" << ids.asuInt("BEAMNO") << "&&" |
---|
| 3862 | << "POLNO==" << ids.asuInt("POLNO") << "&&" |
---|
| 3863 | << "IFNO==" << ids.asuInt("IFNO") ; |
---|
[2580] | 3864 | //cout << "TaQL string: " << ss.str() << endl ; |
---|
| 3865 | sel.setTaQL( ss.str() ) ; |
---|
| 3866 | aofflo->setSelection( sel ) ; |
---|
| 3867 | ahotlo->setSelection( sel ) ; |
---|
[1819] | 3868 | askylo->setSelection( sel ) ; |
---|
[2916] | 3869 | Vector<uInt> rows = iter.getRows( SHARE ) ; |
---|
[2580] | 3870 | calibrateCW( ssig, rsig, aofflo, askylo, ahotlo, acoldlo, rows, antname ) ; |
---|
| 3871 | aofflo->unsetSelection() ; |
---|
| 3872 | ahotlo->unsetSelection() ; |
---|
[1819] | 3873 | askylo->unsetSelection() ; |
---|
| 3874 | sel.reset() ; |
---|
[2916] | 3875 | iter.next() ; |
---|
[2580] | 3876 | } |
---|
[2916] | 3877 | iter = STIdxIter2(sref, cols); |
---|
| 3878 | while ( !iter.pastEnd() ) { |
---|
| 3879 | Record ids = iter.currentValue() ; |
---|
[2580] | 3880 | stringstream ss ; |
---|
| 3881 | ss << "SELECT FROM $1 WHERE " |
---|
[2916] | 3882 | << "BEAMNO==" << ids.asuInt("BEAMNO") << "&&" |
---|
| 3883 | << "POLNO==" << ids.asuInt("POLNO") << "&&" |
---|
| 3884 | << "IFNO==" << ids.asuInt("IFNO") ; |
---|
[2580] | 3885 | //cout << "TaQL string: " << ss.str() << endl ; |
---|
| 3886 | sel.setTaQL( ss.str() ) ; |
---|
| 3887 | aoffhi->setSelection( sel ) ; |
---|
| 3888 | ahothi->setSelection( sel ) ; |
---|
| 3889 | askyhi->setSelection( sel ) ; |
---|
[2916] | 3890 | Vector<uInt> rows = iter.getRows( SHARE ) ; |
---|
[2580] | 3891 | calibrateCW( sref, rref, aoffhi, askyhi, ahothi, acoldhi, rows, antname ) ; |
---|
| 3892 | aoffhi->unsetSelection() ; |
---|
| 3893 | ahothi->unsetSelection() ; |
---|
[1819] | 3894 | askyhi->unsetSelection() ; |
---|
| 3895 | sel.reset() ; |
---|
[2916] | 3896 | iter.next() ; |
---|
[1819] | 3897 | } |
---|
| 3898 | } |
---|
| 3899 | } |
---|
| 3900 | else { |
---|
| 3901 | // non-APEX fs data |
---|
| 3902 | // sky scan |
---|
[2580] | 3903 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::SKY ) ; |
---|
| 3904 | out->attach() ; |
---|
| 3905 | CountedPtr<Scantable> asky = averageWithinSession( out, |
---|
| 3906 | masks, |
---|
| 3907 | "TINT" ) ; |
---|
[1819] | 3908 | STSelector sel = STSelector() ; |
---|
[2580] | 3909 | |
---|
[1819] | 3910 | // hot scan |
---|
[2580] | 3911 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::HOT ) ; |
---|
| 3912 | out->attach() ; |
---|
| 3913 | CountedPtr<Scantable> ahot = averageWithinSession( out, |
---|
| 3914 | masks, |
---|
| 3915 | "TINT" ) ; |
---|
[1819] | 3916 | |
---|
| 3917 | // cold scan |
---|
| 3918 | CountedPtr<Scantable> acold ; |
---|
[2580] | 3919 | // out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::COLD ) ; |
---|
| 3920 | // out->attach() ; |
---|
| 3921 | // CountedPtr<Scantable> acold = averageWithinSession( out, |
---|
| 3922 | // masks, |
---|
| 3923 | // "TINT" ) ; |
---|
[1819] | 3924 | |
---|
| 3925 | // ref scan |
---|
| 3926 | bool insitu = insitu_ ; |
---|
| 3927 | insitu_ = false ; |
---|
| 3928 | sref = getScantable( s, true ) ; |
---|
[2580] | 3929 | CountedPtr<Scantable> rref = getScantable( s, true ) ; |
---|
[1819] | 3930 | insitu_ = insitu ; |
---|
[2580] | 3931 | rref->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSOFF ) ; |
---|
| 3932 | rref->attach() ; |
---|
| 3933 | copyRows( sref->table_, rref->table_, 0, 0, rref->nrow(), False, True, False ) ; |
---|
[1819] | 3934 | |
---|
| 3935 | // sig scan |
---|
| 3936 | insitu_ = false ; |
---|
| 3937 | ssig = getScantable( s, true ) ; |
---|
[2580] | 3938 | CountedPtr<Scantable> rsig = getScantable( s, true ) ; |
---|
[1819] | 3939 | insitu_ = insitu ; |
---|
[2580] | 3940 | rsig->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSON ) ; |
---|
| 3941 | rsig->attach() ; |
---|
| 3942 | copyRows( ssig->table_, rsig->table_, 0, 0, rsig->nrow(), False, True, False ) ; |
---|
[1819] | 3943 | |
---|
| 3944 | // process each sig and ref scan |
---|
[2580] | 3945 | vector<string> cols( 3 ) ; |
---|
| 3946 | cols[0] = "BEAMNO" ; |
---|
| 3947 | cols[1] = "POLNO" ; |
---|
| 3948 | cols[2] = "IFNO" ; |
---|
[2916] | 3949 | STIdxIter2 iter(ssig, cols); |
---|
| 3950 | while ( !iter.pastEnd() ) { |
---|
| 3951 | Record ids = iter.currentValue() ; |
---|
[2580] | 3952 | stringstream ss ; |
---|
| 3953 | ss << "SELECT FROM $1 WHERE " |
---|
[2916] | 3954 | << "BEAMNO==" << ids.asuInt("BEAMNO") << "&&" |
---|
| 3955 | << "POLNO==" << ids.asuInt("POLNO") << "&&" |
---|
| 3956 | << "IFNO==" << ids.asuInt("IFNO") ; |
---|
[2580] | 3957 | //cout << "TaQL string: " << ss.str() << endl ; |
---|
| 3958 | sel.setTaQL( ss.str() ) ; |
---|
| 3959 | ahot->setSelection( sel ) ; |
---|
[1819] | 3960 | asky->setSelection( sel ) ; |
---|
[2916] | 3961 | Vector<uInt> rows = iter.getRows( SHARE ) ; |
---|
[2580] | 3962 | // out should be an exact copy of s except that SPECTRA column is empty |
---|
| 3963 | calibrateFS( ssig, sref, rsig, rref, asky, ahot, acold, rows ) ; |
---|
| 3964 | ahot->unsetSelection() ; |
---|
[1819] | 3965 | asky->unsetSelection() ; |
---|
| 3966 | sel.reset() ; |
---|
[2916] | 3967 | iter.next() ; |
---|
[1819] | 3968 | } |
---|
| 3969 | } |
---|
| 3970 | |
---|
| 3971 | // do folding if necessary |
---|
| 3972 | Table sigtab = ssig->table() ; |
---|
| 3973 | Table reftab = sref->table() ; |
---|
| 3974 | ScalarColumn<uInt> reffidCol ; |
---|
| 3975 | Int nchan = (Int)ssig->nchan() ; |
---|
| 3976 | reffidCol.attach( reftab, "FREQ_ID" ) ; |
---|
[2580] | 3977 | Vector<uInt> sfids = ssig->mfreqidCol_.getColumn() ; |
---|
| 3978 | Vector<uInt> rfids = sref->mfreqidCol_.getColumn() ; |
---|
[1819] | 3979 | vector<uInt> sfids_unique ; |
---|
| 3980 | vector<uInt> rfids_unique ; |
---|
| 3981 | vector<uInt> sifno_unique ; |
---|
| 3982 | vector<uInt> rifno_unique ; |
---|
| 3983 | for ( uInt i = 0 ; i < sfids.nelements() ; i++ ) { |
---|
| 3984 | if ( count( sfids_unique.begin(), sfids_unique.end(), sfids[i] ) == 0 ) { |
---|
| 3985 | sfids_unique.push_back( sfids[i] ) ; |
---|
| 3986 | sifno_unique.push_back( ssig->getIF( i ) ) ; |
---|
| 3987 | } |
---|
| 3988 | if ( count( rfids_unique.begin(), rfids_unique.end(), rfids[i] ) == 0 ) { |
---|
| 3989 | rfids_unique.push_back( rfids[i] ) ; |
---|
| 3990 | rifno_unique.push_back( sref->getIF( i ) ) ; |
---|
| 3991 | } |
---|
| 3992 | } |
---|
| 3993 | double refpix_sig, refval_sig, increment_sig ; |
---|
| 3994 | double refpix_ref, refval_ref, increment_ref ; |
---|
| 3995 | vector< CountedPtr<Scantable> > tmp( sfids_unique.size() ) ; |
---|
| 3996 | for ( uInt i = 0 ; i < sfids_unique.size() ; i++ ) { |
---|
| 3997 | ssig->frequencies().getEntry( refpix_sig, refval_sig, increment_sig, sfids_unique[i] ) ; |
---|
| 3998 | sref->frequencies().getEntry( refpix_ref, refval_ref, increment_ref, rfids_unique[i] ) ; |
---|
| 3999 | if ( refpix_sig == refpix_ref ) { |
---|
| 4000 | double foffset = refval_ref - refval_sig ; |
---|
| 4001 | int choffset = static_cast<int>(foffset/increment_sig) ; |
---|
| 4002 | double doffset = foffset / increment_sig ; |
---|
| 4003 | if ( abs(choffset) >= nchan ) { |
---|
| 4004 | LogIO os( LogOrigin( "STMath", "cwcalfs", WHERE ) ) ; |
---|
| 4005 | os << "FREQ_ID=[" << sfids_unique[i] << "," << rfids_unique[i] << "]: out-band frequency switching, no folding" << LogIO::POST ; |
---|
| 4006 | os << "Just return signal data" << LogIO::POST ; |
---|
| 4007 | //std::vector< CountedPtr<Scantable> > tabs ; |
---|
| 4008 | //tabs.push_back( ssig ) ; |
---|
| 4009 | //tabs.push_back( sref ) ; |
---|
| 4010 | //out = merge( tabs ) ; |
---|
| 4011 | tmp[i] = ssig ; |
---|
| 4012 | } |
---|
| 4013 | else { |
---|
| 4014 | STSelector sel = STSelector() ; |
---|
| 4015 | vector<int> v( 1, sifno_unique[i] ) ; |
---|
| 4016 | sel.setIFs( v ) ; |
---|
| 4017 | ssig->setSelection( sel ) ; |
---|
| 4018 | sel.reset() ; |
---|
| 4019 | v[0] = rifno_unique[i] ; |
---|
| 4020 | sel.setIFs( v ) ; |
---|
| 4021 | sref->setSelection( sel ) ; |
---|
| 4022 | sel.reset() ; |
---|
| 4023 | if ( antname.find( "APEX" ) != string::npos ) { |
---|
| 4024 | tmp[i] = dofold( ssig, sref, 0.5*doffset, -0.5*doffset ) ; |
---|
| 4025 | //tmp[i] = dofold( ssig, sref, doffset ) ; |
---|
| 4026 | } |
---|
| 4027 | else { |
---|
| 4028 | tmp[i] = dofold( ssig, sref, doffset ) ; |
---|
| 4029 | } |
---|
| 4030 | ssig->unsetSelection() ; |
---|
| 4031 | sref->unsetSelection() ; |
---|
| 4032 | } |
---|
| 4033 | } |
---|
| 4034 | } |
---|
| 4035 | |
---|
| 4036 | if ( tmp.size() > 1 ) { |
---|
| 4037 | out = merge( tmp ) ; |
---|
| 4038 | } |
---|
| 4039 | else { |
---|
| 4040 | out = tmp[0] ; |
---|
| 4041 | } |
---|
| 4042 | |
---|
| 4043 | // flux unit |
---|
| 4044 | out->setFluxUnit( "K" ) ; |
---|
| 4045 | |
---|
| 4046 | return out ; |
---|
| 4047 | } |
---|
| 4048 | |
---|
| 4049 | CountedPtr<Scantable> STMath::almacalfs( const CountedPtr<Scantable>& s ) |
---|
| 4050 | { |
---|
[2163] | 4051 | (void) s; //currently unused |
---|
[1819] | 4052 | CountedPtr<Scantable> out ; |
---|
| 4053 | |
---|
| 4054 | return out ; |
---|
| 4055 | } |
---|
| 4056 | |
---|
[2580] | 4057 | void STMath::calibrateCW( CountedPtr<Scantable> &out, |
---|
| 4058 | const CountedPtr<Scantable>& on, |
---|
| 4059 | const CountedPtr<Scantable>& off, |
---|
| 4060 | const CountedPtr<Scantable>& sky, |
---|
| 4061 | const CountedPtr<Scantable>& hot, |
---|
| 4062 | const CountedPtr<Scantable>& cold, |
---|
| 4063 | const Vector<uInt> &rows, |
---|
| 4064 | const String &antname ) |
---|
[1819] | 4065 | { |
---|
[2580] | 4066 | // 2012/05/22 TN |
---|
| 4067 | // Assume that out has empty SPECTRA column |
---|
| 4068 | |
---|
| 4069 | // if rows is empty, just return |
---|
| 4070 | if ( rows.nelements() == 0 ) |
---|
| 4071 | return ; |
---|
| 4072 | ROScalarColumn<Double> timeCol( off->table(), "TIME" ) ; |
---|
| 4073 | Vector<Double> timeOff = timeCol.getColumn() ; |
---|
| 4074 | timeCol.attach( sky->table(), "TIME" ) ; |
---|
| 4075 | Vector<Double> timeSky = timeCol.getColumn() ; |
---|
| 4076 | timeCol.attach( hot->table(), "TIME" ) ; |
---|
| 4077 | Vector<Double> timeHot = timeCol.getColumn() ; |
---|
| 4078 | timeCol.attach( on->table(), "TIME" ) ; |
---|
| 4079 | ROArrayColumn<Float> arrayFloatCol( off->table(), "SPECTRA" ) ; |
---|
[2917] | 4080 | SpectralData offspectra(arrayFloatCol.getColumn()); |
---|
[2580] | 4081 | arrayFloatCol.attach( sky->table(), "SPECTRA" ) ; |
---|
[2917] | 4082 | SpectralData skyspectra(arrayFloatCol.getColumn()); |
---|
[2580] | 4083 | arrayFloatCol.attach( hot->table(), "SPECTRA" ) ; |
---|
[2917] | 4084 | SpectralData hotspectra(arrayFloatCol.getColumn()); |
---|
| 4085 | TcalData tcaldata(sky); |
---|
| 4086 | TsysData tsysdata(sky); |
---|
[2580] | 4087 | unsigned int spsize = on->nchan( on->getIF(rows[0]) ) ; |
---|
| 4088 | // I know that the data is contiguous |
---|
| 4089 | const uInt *p = rows.data() ; |
---|
| 4090 | vector<int> ids( 2 ) ; |
---|
| 4091 | Block<uInt> flagchan( spsize ) ; |
---|
| 4092 | uInt nflag = 0 ; |
---|
| 4093 | for ( int irow = 0 ; irow < rows.nelements() ; irow++ ) { |
---|
| 4094 | double reftime = timeCol.asdouble(*p) ; |
---|
| 4095 | ids = getRowIdFromTime( reftime, timeOff ) ; |
---|
[2917] | 4096 | Vector<Float> spoff = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeOff, ids, offspectra, "linear"); |
---|
[2580] | 4097 | ids = getRowIdFromTime( reftime, timeSky ) ; |
---|
[2917] | 4098 | Vector<Float> spsky = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeSky, ids, skyspectra, "linear"); |
---|
| 4099 | Vector<Float> tcal = SimpleInterpolationHelper<TcalData>::GetFromTime(reftime, timeSky, ids, tcaldata, "linear"); |
---|
| 4100 | Vector<Float> tsys = SimpleInterpolationHelper<TsysData>::GetFromTime(reftime, timeSky, ids, tsysdata, "linear"); |
---|
[2580] | 4101 | ids = getRowIdFromTime( reftime, timeHot ) ; |
---|
[2917] | 4102 | Vector<Float> sphot = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeHot, ids, hotspectra, "linear"); |
---|
[2580] | 4103 | Vector<Float> spec = on->specCol_( *p ) ; |
---|
| 4104 | if ( antname.find( "APEX" ) != String::npos ) { |
---|
| 4105 | // using gain array |
---|
| 4106 | for ( unsigned int j = 0 ; j < tcal.size() ; j++ ) { |
---|
| 4107 | if ( spoff[j] == 0.0 || (sphot[j]-spsky[j]) == 0.0 ) { |
---|
| 4108 | spec[j] = 0.0 ; |
---|
| 4109 | flagchan[nflag++] = j ; |
---|
| 4110 | } |
---|
| 4111 | else { |
---|
| 4112 | spec[j] = ( ( spec[j] - spoff[j] ) / spoff[j] ) |
---|
| 4113 | * ( spsky[j] / ( sphot[j] - spsky[j] ) ) * tcal[j] ; |
---|
| 4114 | } |
---|
| 4115 | } |
---|
[1819] | 4116 | } |
---|
[2580] | 4117 | else { |
---|
| 4118 | // Chopper-Wheel calibration (Ulich & Haas 1976) |
---|
| 4119 | for ( unsigned int j = 0 ; j < tcal.size() ; j++ ) { |
---|
| 4120 | if ( (sphot[j]-spsky[j]) == 0.0 ) { |
---|
| 4121 | spec[j] = 0.0 ; |
---|
| 4122 | flagchan[nflag++] = j ; |
---|
| 4123 | } |
---|
| 4124 | else { |
---|
| 4125 | spec[j] = ( spec[j] - spoff[j] ) / ( sphot[j] - spsky[j] ) * tcal[j] ; |
---|
| 4126 | } |
---|
| 4127 | } |
---|
| 4128 | } |
---|
| 4129 | out->specCol_.put( *p, spec ) ; |
---|
| 4130 | out->tsysCol_.put( *p, tsys ) ; |
---|
| 4131 | if ( nflag > 0 ) { |
---|
| 4132 | Vector<uChar> fl = out->flagsCol_( *p ) ; |
---|
| 4133 | for ( unsigned int j = 0 ; j < nflag ; j++ ) { |
---|
| 4134 | fl[flagchan[j]] = (uChar)True ; |
---|
| 4135 | } |
---|
| 4136 | out->flagsCol_.put( *p, fl ) ; |
---|
| 4137 | } |
---|
| 4138 | nflag = 0 ; |
---|
| 4139 | p++ ; |
---|
[1819] | 4140 | } |
---|
[2580] | 4141 | } |
---|
| 4142 | |
---|
| 4143 | void STMath::calibrateALMA( CountedPtr<Scantable>& out, |
---|
| 4144 | const CountedPtr<Scantable>& on, |
---|
| 4145 | const CountedPtr<Scantable>& off, |
---|
| 4146 | const Vector<uInt>& rows ) |
---|
| 4147 | { |
---|
| 4148 | // 2012/05/22 TN |
---|
| 4149 | // Assume that out has empty SPECTRA column |
---|
| 4150 | |
---|
| 4151 | // if rows is empty, just return |
---|
| 4152 | if ( rows.nelements() == 0 ) |
---|
| 4153 | return ; |
---|
| 4154 | ROScalarColumn<Double> timeCol( off->table(), "TIME" ) ; |
---|
| 4155 | Vector<Double> timeVec = timeCol.getColumn() ; |
---|
| 4156 | timeCol.attach( on->table(), "TIME" ) ; |
---|
| 4157 | ROArrayColumn<Float> arrayFloatCol( off->table(), "SPECTRA" ) ; |
---|
[2917] | 4158 | SpectralData offspectra(arrayFloatCol.getColumn()); |
---|
[2580] | 4159 | unsigned int spsize = on->nchan( on->getIF(rows[0]) ) ; |
---|
| 4160 | // I know that the data is contiguous |
---|
| 4161 | const uInt *p = rows.data() ; |
---|
| 4162 | vector<int> ids( 2 ) ; |
---|
| 4163 | Block<uInt> flagchan( spsize ) ; |
---|
| 4164 | uInt nflag = 0 ; |
---|
| 4165 | for ( int irow = 0 ; irow < rows.nelements() ; irow++ ) { |
---|
| 4166 | double reftime = timeCol.asdouble(*p) ; |
---|
| 4167 | ids = getRowIdFromTime( reftime, timeVec ) ; |
---|
[2917] | 4168 | Vector<Float> spoff = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeVec, ids, offspectra, "linear"); |
---|
[2580] | 4169 | Vector<Float> spec = on->specCol_( *p ) ; |
---|
| 4170 | Vector<Float> tsys = on->tsysCol_( *p ) ; |
---|
| 4171 | // ALMA Calibration |
---|
| 4172 | // |
---|
| 4173 | // Ta* = Tsys * ( ON - OFF ) / OFF |
---|
| 4174 | // |
---|
| 4175 | // 2010/01/07 Takeshi Nakazato |
---|
| 4176 | unsigned int tsyssize = tsys.nelements() ; |
---|
| 4177 | for ( unsigned int j = 0 ; j < spsize ; j++ ) { |
---|
| 4178 | if ( spoff[j] == 0.0 ) { |
---|
| 4179 | spec[j] = 0.0 ; |
---|
| 4180 | flagchan[nflag++] = j ; |
---|
| 4181 | } |
---|
| 4182 | else { |
---|
| 4183 | spec[j] = ( spec[j] - spoff[j] ) / spoff[j] ; |
---|
| 4184 | } |
---|
| 4185 | if ( tsyssize == spsize ) |
---|
| 4186 | spec[j] *= tsys[j] ; |
---|
| 4187 | else |
---|
| 4188 | spec[j] *= tsys[0] ; |
---|
[1819] | 4189 | } |
---|
[2580] | 4190 | out->specCol_.put( *p, spec ) ; |
---|
| 4191 | if ( nflag > 0 ) { |
---|
| 4192 | Vector<uChar> fl = out->flagsCol_( *p ) ; |
---|
| 4193 | for ( unsigned int j = 0 ; j < nflag ; j++ ) { |
---|
| 4194 | fl[flagchan[j]] = (uChar)True ; |
---|
| 4195 | } |
---|
| 4196 | out->flagsCol_.put( *p, fl ) ; |
---|
| 4197 | } |
---|
| 4198 | nflag = 0 ; |
---|
| 4199 | p++ ; |
---|
[1819] | 4200 | } |
---|
[2580] | 4201 | } |
---|
[1819] | 4202 | |
---|
[2580] | 4203 | void STMath::calibrateAPEXFS( CountedPtr<Scantable> &sig, |
---|
| 4204 | CountedPtr<Scantable> &ref, |
---|
| 4205 | const vector< CountedPtr<Scantable> >& on, |
---|
| 4206 | const vector< CountedPtr<Scantable> >& sky, |
---|
| 4207 | const vector< CountedPtr<Scantable> >& hot, |
---|
| 4208 | const vector< CountedPtr<Scantable> >& cold, |
---|
| 4209 | const Vector<uInt> &rows ) |
---|
| 4210 | { |
---|
| 4211 | // if rows is empty, just return |
---|
| 4212 | if ( rows.nelements() == 0 ) |
---|
| 4213 | return ; |
---|
| 4214 | ROScalarColumn<Double> timeCol( sky[0]->table(), "TIME" ) ; |
---|
| 4215 | Vector<Double> timeSkyS = timeCol.getColumn() ; |
---|
| 4216 | timeCol.attach( sky[1]->table(), "TIME" ) ; |
---|
| 4217 | Vector<Double> timeSkyR = timeCol.getColumn() ; |
---|
| 4218 | timeCol.attach( hot[0]->table(), "TIME" ) ; |
---|
| 4219 | Vector<Double> timeHotS = timeCol.getColumn() ; |
---|
| 4220 | timeCol.attach( hot[1]->table(), "TIME" ) ; |
---|
| 4221 | Vector<Double> timeHotR = timeCol.getColumn() ; |
---|
| 4222 | timeCol.attach( sig->table(), "TIME" ) ; |
---|
| 4223 | ROScalarColumn<Double> timeCol2( ref->table(), "TIME" ) ; |
---|
| 4224 | ROArrayColumn<Float> arrayFloatCol( sky[0]->table(), "SPECTRA" ) ; |
---|
[2917] | 4225 | SpectralData skyspectraS(arrayFloatCol.getColumn()); |
---|
[2580] | 4226 | arrayFloatCol.attach( sky[1]->table(), "SPECTRA" ) ; |
---|
[2917] | 4227 | SpectralData skyspectraR(arrayFloatCol.getColumn()); |
---|
[2580] | 4228 | arrayFloatCol.attach( hot[0]->table(), "SPECTRA" ) ; |
---|
[2917] | 4229 | SpectralData hotspectraS(arrayFloatCol.getColumn()); |
---|
[2580] | 4230 | arrayFloatCol.attach( hot[1]->table(), "SPECTRA" ) ; |
---|
[2917] | 4231 | SpectralData hotspectraR(arrayFloatCol.getColumn()); |
---|
| 4232 | TcalData tcaldataS(sky[0]); |
---|
| 4233 | TsysData tsysdataS(sky[0]); |
---|
| 4234 | TcalData tcaldataR(sky[1]); |
---|
| 4235 | TsysData tsysdataR(sky[1]); |
---|
[2580] | 4236 | unsigned int spsize = sig->nchan( sig->getIF(rows[0]) ) ; |
---|
| 4237 | Vector<Float> spec( spsize ) ; |
---|
| 4238 | // I know that the data is contiguous |
---|
| 4239 | const uInt *p = rows.data() ; |
---|
| 4240 | vector<int> ids( 2 ) ; |
---|
| 4241 | Block<uInt> flagchan( spsize ) ; |
---|
| 4242 | uInt nflag = 0 ; |
---|
| 4243 | for ( int irow = 0 ; irow < rows.nelements() ; irow++ ) { |
---|
| 4244 | double reftime = timeCol.asdouble(*p) ; |
---|
| 4245 | ids = getRowIdFromTime( reftime, timeSkyS ) ; |
---|
[2917] | 4246 | Vector<Float> spskyS = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeSkyS, ids, skyspectraS, "linear"); |
---|
| 4247 | Vector<Float> tcalS = SimpleInterpolationHelper<TcalData>::GetFromTime(reftime, timeSkyS, ids, tcaldataS, "linear"); |
---|
| 4248 | Vector<Float> tsysS = SimpleInterpolationHelper<TsysData>::GetFromTime(reftime, timeSkyS, ids, tsysdataS, "linear"); |
---|
[2580] | 4249 | ids = getRowIdFromTime( reftime, timeHotS ) ; |
---|
[2917] | 4250 | Vector<Float> sphotS = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeHotS, ids, hotspectraS, "linear"); |
---|
[2580] | 4251 | reftime = timeCol2.asdouble(*p) ; |
---|
| 4252 | ids = getRowIdFromTime( reftime, timeSkyR ) ; |
---|
[2917] | 4253 | Vector<Float> spskyR = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeSkyR, ids, skyspectraR, "linear"); |
---|
| 4254 | Vector<Float> tcalR = SimpleInterpolationHelper<TcalData>::GetFromTime(reftime, timeSkyR, ids, tcaldataR, "linear"); |
---|
| 4255 | Vector<Float> tsysR = SimpleInterpolationHelper<TsysData>::GetFromTime(reftime, timeSkyR, ids, tsysdataR, "linear"); |
---|
[2580] | 4256 | ids = getRowIdFromTime( reftime, timeHotR ) ; |
---|
[2917] | 4257 | Vector<Float> sphotR = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeHotR, ids, hotspectraR, "linear"); |
---|
[2580] | 4258 | Vector<Float> spsig = on[0]->specCol_( *p ) ; |
---|
| 4259 | Vector<Float> spref = on[1]->specCol_( *p ) ; |
---|
| 4260 | for ( unsigned int j = 0 ; j < spsize ; j++ ) { |
---|
| 4261 | if ( (sphotS[j]-spskyS[j]) == 0.0 || (sphotR[j]-spskyR[j]) == 0.0 ) { |
---|
| 4262 | spec[j] = 0.0 ; |
---|
| 4263 | flagchan[nflag++] = j ; |
---|
| 4264 | } |
---|
| 4265 | else { |
---|
| 4266 | spec[j] = tcalS[j] * spsig[j] / ( sphotS[j] - spskyS[j] ) |
---|
| 4267 | - tcalR[j] * spref[j] / ( sphotR[j] - spskyR[j] ) ; |
---|
| 4268 | } |
---|
| 4269 | } |
---|
| 4270 | sig->specCol_.put( *p, spec ) ; |
---|
| 4271 | sig->tsysCol_.put( *p, tsysS ) ; |
---|
| 4272 | spec *= (Float)-1.0 ; |
---|
| 4273 | ref->specCol_.put( *p, spec ) ; |
---|
| 4274 | ref->tsysCol_.put( *p, tsysR ) ; |
---|
| 4275 | if ( nflag > 0 ) { |
---|
| 4276 | Vector<uChar> flsig = sig->flagsCol_( *p ) ; |
---|
| 4277 | Vector<uChar> flref = ref->flagsCol_( *p ) ; |
---|
| 4278 | for ( unsigned int j = 0 ; j < nflag ; j++ ) { |
---|
| 4279 | flsig[flagchan[j]] = (uChar)True ; |
---|
| 4280 | flref[flagchan[j]] = (uChar)True ; |
---|
| 4281 | } |
---|
| 4282 | sig->flagsCol_.put( *p, flsig ) ; |
---|
| 4283 | ref->flagsCol_.put( *p, flref ) ; |
---|
| 4284 | } |
---|
| 4285 | nflag = 0 ; |
---|
| 4286 | p++ ; |
---|
| 4287 | } |
---|
[1819] | 4288 | } |
---|
| 4289 | |
---|
[2580] | 4290 | void STMath::calibrateFS( CountedPtr<Scantable> &sig, |
---|
| 4291 | CountedPtr<Scantable> &ref, |
---|
| 4292 | const CountedPtr<Scantable>& rsig, |
---|
| 4293 | const CountedPtr<Scantable>& rref, |
---|
| 4294 | const CountedPtr<Scantable>& sky, |
---|
| 4295 | const CountedPtr<Scantable>& hot, |
---|
| 4296 | const CountedPtr<Scantable>& cold, |
---|
| 4297 | const Vector<uInt> &rows ) |
---|
[1819] | 4298 | { |
---|
[2580] | 4299 | // if rows is empty, just return |
---|
| 4300 | if ( rows.nelements() == 0 ) |
---|
| 4301 | return ; |
---|
| 4302 | ROScalarColumn<Double> timeCol( sky->table(), "TIME" ) ; |
---|
| 4303 | Vector<Double> timeSky = timeCol.getColumn() ; |
---|
| 4304 | timeCol.attach( hot->table(), "TIME" ) ; |
---|
| 4305 | Vector<Double> timeHot = timeCol.getColumn() ; |
---|
| 4306 | timeCol.attach( sig->table(), "TIME" ) ; |
---|
| 4307 | ROScalarColumn<Double> timeCol2( ref->table(), "TIME" ) ; |
---|
| 4308 | ROArrayColumn<Float> arrayFloatCol( sky->table(), "SPECTRA" ) ; |
---|
[2917] | 4309 | SpectralData skyspectra(arrayFloatCol.getColumn()); |
---|
[2580] | 4310 | arrayFloatCol.attach( hot->table(), "SPECTRA" ) ; |
---|
[2917] | 4311 | SpectralData hotspectra(arrayFloatCol.getColumn()); |
---|
| 4312 | TcalData tcaldata(sky); |
---|
| 4313 | TsysData tsysdata(sky); |
---|
[2580] | 4314 | unsigned int spsize = sig->nchan( sig->getIF(rows[0]) ) ; |
---|
| 4315 | Vector<Float> spec( spsize ) ; |
---|
| 4316 | // I know that the data is contiguous |
---|
| 4317 | const uInt *p = rows.data() ; |
---|
| 4318 | vector<int> ids( 2 ) ; |
---|
| 4319 | Block<uInt> flagchan( spsize ) ; |
---|
| 4320 | uInt nflag = 0 ; |
---|
| 4321 | for ( int irow = 0 ; irow < rows.nelements() ; irow++ ) { |
---|
| 4322 | double reftime = timeCol.asdouble(*p) ; |
---|
| 4323 | ids = getRowIdFromTime( reftime, timeSky ) ; |
---|
[2917] | 4324 | Vector<Float> spsky = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeSky, ids, skyspectra, "linear"); |
---|
| 4325 | Vector<Float> tcal = SimpleInterpolationHelper<TcalData>::GetFromTime(reftime, timeSky, ids, tcaldata, "linear"); |
---|
| 4326 | Vector<Float> tsys = SimpleInterpolationHelper<TsysData>::GetFromTime(reftime, timeSky, ids, tsysdata, "linear"); |
---|
[2580] | 4327 | ids = getRowIdFromTime( reftime, timeHot ) ; |
---|
[2917] | 4328 | Vector<Float> sphot = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeHot, ids, hotspectra, "linear"); |
---|
[2580] | 4329 | Vector<Float> spsig = rsig->specCol_( *p ) ; |
---|
| 4330 | Vector<Float> spref = rref->specCol_( *p ) ; |
---|
| 4331 | // using gain array |
---|
| 4332 | for ( unsigned int j = 0 ; j < spsize ; j++ ) { |
---|
| 4333 | if ( spref[j] == 0.0 || (sphot[j]-spsky[j]) == 0.0 ) { |
---|
| 4334 | spec[j] = 0.0 ; |
---|
| 4335 | flagchan[nflag++] = j ; |
---|
| 4336 | } |
---|
| 4337 | else { |
---|
| 4338 | spec[j] = ( ( spsig[j] - spref[j] ) / spref[j] ) |
---|
| 4339 | * ( spsky[j] / ( sphot[j] - spsky[j] ) ) * tcal[j] ; |
---|
| 4340 | } |
---|
| 4341 | } |
---|
| 4342 | sig->specCol_.put( *p, spec ) ; |
---|
| 4343 | sig->tsysCol_.put( *p, tsys ) ; |
---|
| 4344 | if ( nflag > 0 ) { |
---|
| 4345 | Vector<uChar> fl = sig->flagsCol_( *p ) ; |
---|
| 4346 | for ( unsigned int j = 0 ; j < nflag ; j++ ) { |
---|
| 4347 | fl[flagchan[j]] = (uChar)True ; |
---|
| 4348 | } |
---|
| 4349 | sig->flagsCol_.put( *p, fl ) ; |
---|
| 4350 | } |
---|
| 4351 | nflag = 0 ; |
---|
| 4352 | |
---|
| 4353 | reftime = timeCol2.asdouble(*p) ; |
---|
[2917] | 4354 | ids = getRowIdFromTime( reftime, timeSky ) ; |
---|
| 4355 | spsky = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeSky, ids, skyspectra, "linear"); |
---|
| 4356 | tcal = SimpleInterpolationHelper<TcalData>::GetFromTime(reftime, timeSky, ids, tcaldata, "linear"); |
---|
| 4357 | tsys = SimpleInterpolationHelper<TsysData>::GetFromTime(reftime, timeSky, ids, tsysdata, "linear"); |
---|
[2580] | 4358 | ids = getRowIdFromTime( reftime, timeHot ) ; |
---|
[2917] | 4359 | sphot = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeHot, ids, hotspectra, "linear"); |
---|
[2580] | 4360 | // using gain array |
---|
| 4361 | for ( unsigned int j = 0 ; j < spsize ; j++ ) { |
---|
| 4362 | if ( spsig[j] == 0.0 || (sphot[j]-spsky[j]) == 0.0 ) { |
---|
| 4363 | spec[j] = 0.0 ; |
---|
| 4364 | flagchan[nflag++] = j ; |
---|
| 4365 | } |
---|
| 4366 | else { |
---|
| 4367 | spec[j] = ( ( spref[j] - spsig[j] ) / spsig[j] ) |
---|
| 4368 | * ( spsky[j] / ( sphot[j] - spsky[j] ) ) * tcal[j] ; |
---|
| 4369 | } |
---|
| 4370 | } |
---|
| 4371 | ref->specCol_.put( *p, spec ) ; |
---|
| 4372 | ref->tsysCol_.put( *p, tsys ) ; |
---|
| 4373 | if ( nflag > 0 ) { |
---|
| 4374 | Vector<uChar> fl = ref->flagsCol_( *p ) ; |
---|
| 4375 | for ( unsigned int j = 0 ; j < nflag ; j++ ) { |
---|
| 4376 | fl[flagchan[j]] = (uChar)True ; |
---|
| 4377 | } |
---|
| 4378 | ref->flagsCol_.put( *p, fl ) ; |
---|
| 4379 | } |
---|
| 4380 | nflag = 0 ; |
---|
| 4381 | p++ ; |
---|
[1819] | 4382 | } |
---|
| 4383 | } |
---|
| 4384 | |
---|
[2580] | 4385 | void STMath::copyRows( Table &out, |
---|
| 4386 | const Table &in, |
---|
| 4387 | uInt startout, |
---|
| 4388 | uInt startin, |
---|
| 4389 | uInt nrow, |
---|
| 4390 | Bool copySpectra, |
---|
| 4391 | Bool copyFlagtra, |
---|
| 4392 | Bool copyTsys ) |
---|
[1819] | 4393 | { |
---|
[2580] | 4394 | uInt nexclude = 0 ; |
---|
| 4395 | Block<String> excludeColsBlock( 3 ) ; |
---|
| 4396 | if ( !copySpectra ) { |
---|
| 4397 | excludeColsBlock[nexclude] = "SPECTRA" ; |
---|
| 4398 | nexclude++ ; |
---|
[1819] | 4399 | } |
---|
[2580] | 4400 | if ( !copyFlagtra ) { |
---|
| 4401 | excludeColsBlock[nexclude] = "FLAGTRA" ; |
---|
| 4402 | nexclude++ ; |
---|
| 4403 | } |
---|
| 4404 | if ( !copyTsys ) { |
---|
| 4405 | excludeColsBlock[nexclude] = "TSYS" ; |
---|
| 4406 | nexclude++ ; |
---|
| 4407 | } |
---|
| 4408 | // if ( nexclude < 3 ) { |
---|
| 4409 | // excludeCols.resize( nexclude, True ) ; |
---|
| 4410 | // } |
---|
| 4411 | Vector<String> excludeCols( IPosition(1,nexclude), |
---|
| 4412 | excludeColsBlock.storage(), |
---|
| 4413 | SHARE ) ; |
---|
| 4414 | // cout << "excludeCols=" << excludeCols << endl ; |
---|
| 4415 | TableRow rowout( out, excludeCols, True ) ; |
---|
| 4416 | ROTableRow rowin( in, excludeCols, True ) ; |
---|
| 4417 | uInt rin = startin ; |
---|
| 4418 | uInt rout = startout ; |
---|
| 4419 | for ( uInt i = 0 ; i < nrow ; i++ ) { |
---|
| 4420 | rowin.get( rin ) ; |
---|
| 4421 | rowout.putMatchingFields( rout, rowin.record() ) ; |
---|
| 4422 | rin++ ; |
---|
| 4423 | rout++ ; |
---|
| 4424 | } |
---|
[1819] | 4425 | } |
---|
| 4426 | |
---|
[2580] | 4427 | CountedPtr<Scantable> STMath::averageWithinSession( CountedPtr<Scantable> &s, |
---|
| 4428 | vector<bool> &mask, |
---|
| 4429 | string weight ) |
---|
[1819] | 4430 | { |
---|
[2580] | 4431 | // prepare output table |
---|
| 4432 | bool insitu = insitu_ ; |
---|
| 4433 | insitu_ = false ; |
---|
| 4434 | CountedPtr<Scantable> a = getScantable( s, true ) ; |
---|
| 4435 | insitu_ = insitu ; |
---|
| 4436 | Table &atab = a->table() ; |
---|
| 4437 | ScalarColumn<Double> timeColOut( atab, "TIME" ) ; |
---|
| 4438 | |
---|
| 4439 | if ( s->nrow() == 0 ) |
---|
| 4440 | return a ; |
---|
| 4441 | |
---|
| 4442 | // setup RowAccumulator |
---|
| 4443 | WeightType wtype = stringToWeight( weight ) ; |
---|
| 4444 | RowAccumulator acc( wtype ) ; |
---|
| 4445 | Vector<Bool> cmask( mask ) ; |
---|
| 4446 | acc.setUserMask( cmask ) ; |
---|
| 4447 | |
---|
| 4448 | vector<string> cols( 3 ) ; |
---|
| 4449 | cols[0] = "IFNO" ; |
---|
| 4450 | cols[1] = "POLNO" ; |
---|
| 4451 | cols[2] = "BEAMNO" ; |
---|
[2916] | 4452 | STIdxIter2 iter( s, cols ) ; |
---|
[2580] | 4453 | |
---|
| 4454 | Table ttab = s->table() ; |
---|
| 4455 | ROScalarColumn<Double> *timeCol = new ROScalarColumn<Double>( ttab, "TIME" ) ; |
---|
| 4456 | Vector<Double> timeVec = timeCol->getColumn() ; |
---|
| 4457 | delete timeCol ; |
---|
| 4458 | Vector<Double> interval = s->integrCol_.getColumn() ; |
---|
| 4459 | uInt nrow = timeVec.nelements() ; |
---|
| 4460 | uInt outrow = 0 ; |
---|
| 4461 | |
---|
| 4462 | while( !iter.pastEnd() ) { |
---|
| 4463 | |
---|
| 4464 | Vector<uInt> rows = iter.getRows( SHARE ) ; |
---|
[2612] | 4465 | uInt len = rows.nelements() ; |
---|
[2580] | 4466 | |
---|
[2612] | 4467 | if ( len == 0 ) { |
---|
| 4468 | iter.next() ; |
---|
| 4469 | continue ; |
---|
| 4470 | } |
---|
| 4471 | |
---|
[2580] | 4472 | uInt nchan = s->nchan(s->getIF(rows[0])) ; |
---|
| 4473 | Vector<uChar> flag( nchan ) ; |
---|
| 4474 | Vector<Bool> bflag( nchan ) ; |
---|
| 4475 | Vector<Float> spec( nchan ) ; |
---|
| 4476 | Vector<Float> tsys( nchan ) ; |
---|
| 4477 | |
---|
| 4478 | Vector<Double> timeSep( len-1 ) ; |
---|
| 4479 | for ( uInt i = 0 ; i < len-1 ; i++ ) { |
---|
| 4480 | timeSep[i] = timeVec[rows[i+1]] - timeVec[rows[i]] ; |
---|
| 4481 | } |
---|
| 4482 | |
---|
| 4483 | uInt irow ; |
---|
| 4484 | uInt jrow ; |
---|
| 4485 | for ( uInt i = 0 ; i < len-1 ; i++ ) { |
---|
| 4486 | irow = rows[i] ; |
---|
| 4487 | jrow = rows[i+1] ; |
---|
| 4488 | // accumulate data |
---|
| 4489 | s->flagsCol_.get( irow, flag ) ; |
---|
| 4490 | convertArray( bflag, flag ) ; |
---|
| 4491 | s->specCol_.get( irow, spec ) ; |
---|
| 4492 | tsys.assign( s->tsysCol_( irow ) ) ; |
---|
| 4493 | if ( !allEQ(bflag,True) ) |
---|
| 4494 | acc.add( spec, !bflag, tsys, interval[irow], timeVec[irow] ) ; |
---|
| 4495 | double gap = 2.0 * 86400.0 * timeSep[i] / ( interval[jrow] + interval[irow] ) ; |
---|
| 4496 | //cout << "gap[" << i << "]=" << setw(5) << gap << endl ; |
---|
| 4497 | if ( gap > 1.1 ) { |
---|
| 4498 | //cout << "detected gap between " << i << " and " << i+1 << endl ; |
---|
| 4499 | // put data to output table |
---|
| 4500 | // reset RowAccumulator |
---|
| 4501 | if ( acc.state() ) { |
---|
| 4502 | atab.addRow() ; |
---|
| 4503 | copyRows( atab, ttab, outrow, irow, 1, False, False, False ) ; |
---|
| 4504 | acc.replaceNaN() ; |
---|
| 4505 | const Vector<Bool> &msk = acc.getMask() ; |
---|
| 4506 | convertArray( flag, !msk ) ; |
---|
| 4507 | for (uInt k = 0; k < nchan; ++k) { |
---|
| 4508 | uChar userFlag = 1 << 7; |
---|
| 4509 | if (msk[k]==True) userFlag = 0 << 7; |
---|
| 4510 | flag(k) = userFlag; |
---|
| 4511 | } |
---|
| 4512 | a->flagsCol_.put( outrow, flag ) ; |
---|
| 4513 | a->specCol_.put( outrow, acc.getSpectrum() ) ; |
---|
| 4514 | a->tsysCol_.put( outrow, acc.getTsys() ) ; |
---|
| 4515 | a->integrCol_.put( outrow, acc.getInterval() ) ; |
---|
| 4516 | timeColOut.put( outrow, acc.getTime() ) ; |
---|
| 4517 | a->cycleCol_.put( outrow, 0 ) ; |
---|
| 4518 | } |
---|
| 4519 | acc.reset() ; |
---|
| 4520 | outrow++ ; |
---|
| 4521 | } |
---|
| 4522 | } |
---|
| 4523 | |
---|
| 4524 | // accumulate and add last data |
---|
| 4525 | irow = rows[len-1] ; |
---|
| 4526 | s->flagsCol_.get( irow, flag ) ; |
---|
| 4527 | convertArray( bflag, flag ) ; |
---|
| 4528 | s->specCol_.get( irow, spec ) ; |
---|
| 4529 | tsys.assign( s->tsysCol_( irow ) ) ; |
---|
| 4530 | if (!allEQ(bflag,True) ) |
---|
| 4531 | acc.add( spec, !bflag, tsys, interval[irow], timeVec[irow] ) ; |
---|
| 4532 | if ( acc.state() ) { |
---|
| 4533 | atab.addRow() ; |
---|
| 4534 | copyRows( atab, ttab, outrow, irow, 1, False, False, False ) ; |
---|
| 4535 | acc.replaceNaN() ; |
---|
| 4536 | const Vector<Bool> &msk = acc.getMask() ; |
---|
| 4537 | convertArray( flag, !msk ) ; |
---|
| 4538 | for (uInt k = 0; k < nchan; ++k) { |
---|
| 4539 | uChar userFlag = 1 << 7; |
---|
| 4540 | if (msk[k]==True) userFlag = 0 << 7; |
---|
| 4541 | flag(k) = userFlag; |
---|
| 4542 | } |
---|
| 4543 | a->flagsCol_.put( outrow, flag ) ; |
---|
| 4544 | a->specCol_.put( outrow, acc.getSpectrum() ) ; |
---|
| 4545 | a->tsysCol_.put( outrow, acc.getTsys() ) ; |
---|
| 4546 | a->integrCol_.put( outrow, acc.getInterval() ) ; |
---|
| 4547 | timeColOut.put( outrow, acc.getTime() ) ; |
---|
| 4548 | a->cycleCol_.put( outrow, 0 ) ; |
---|
| 4549 | } |
---|
| 4550 | acc.reset() ; |
---|
| 4551 | outrow++ ; |
---|
| 4552 | |
---|
| 4553 | iter.next() ; |
---|
[1819] | 4554 | } |
---|
| 4555 | |
---|
[2580] | 4556 | return a ; |
---|
[1819] | 4557 | } |
---|