[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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[3010] | 13 | //#include <math.h>
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| 14 | //#include <bits/nan.h>
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[2177] | 15 | #include <sstream>
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[2978] | 16 | #include <iostream>
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[2177] | 17 |
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[330] | 18 | #include <casa/iomanip.h>
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[805] | 19 | #include <casa/Arrays/MaskArrLogi.h>
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| 20 | #include <casa/Arrays/MaskArrMath.h>
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| 21 | #include <casa/Arrays/ArrayLogical.h>
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[81] | 22 | #include <casa/Arrays/ArrayMath.h>
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[1066] | 23 | #include <casa/Arrays/Slice.h>
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| 24 | #include <casa/Arrays/Slicer.h>
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[2177] | 25 | #include <casa/BasicSL/String.h>
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| 26 | #include <casa/Containers/Block.h>
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[805] | 27 | #include <casa/Containers/RecordField.h>
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[2177] | 28 | #include <casa/Exceptions/Error.h>
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| 29 | #include <casa/Logging/LogIO.h>
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[2899] | 30 | #include <casa/Quanta/Quantum.h>
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[2] | 31 |
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[917] | 32 | #include <coordinates/Coordinates/CoordinateSystem.h>
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| 33 | #include <coordinates/Coordinates/CoordinateUtil.h>
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| 34 | #include <coordinates/Coordinates/FrequencyAligner.h>
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[2177] | 35 | #include <coordinates/Coordinates/SpectralCoordinate.h>
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[917] | 36 |
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[2177] | 37 | #include <lattices/Lattices/LatticeUtilities.h>
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| 38 |
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| 39 | #include <scimath/Functionals/Polynomial.h>
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| 40 | #include <scimath/Mathematics/Convolver.h>
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[177] | 41 | #include <scimath/Mathematics/VectorKernel.h>
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| 42 |
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[2177] | 43 | #include <tables/Tables/ExprNode.h>
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| 44 | #include <tables/Tables/ReadAsciiTable.h>
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| 45 | #include <tables/Tables/TableCopy.h>
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| 46 | #include <tables/Tables/TableIter.h>
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| 47 | #include <tables/Tables/TableParse.h>
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| 48 | #include <tables/Tables/TableRecord.h>
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| 49 | #include <tables/Tables/TableRow.h>
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| 50 | #include <tables/Tables/TableVector.h>
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| 51 | #include <tables/Tables/TabVecMath.h>
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| 52 |
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[1819] | 53 | #include <atnf/PKSIO/SrcType.h>
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| 54 |
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[805] | 55 | #include "RowAccumulator.h"
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[878] | 56 | #include "STAttr.h"
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[2177] | 57 | #include "STMath.h"
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[1391] | 58 | #include "STSelector.h"
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[2580] | 59 | #include "Accelerator.h"
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| 60 | #include "STIdxIter.h"
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[2] | 61 |
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[2917] | 62 | #include "CalibrationHelper.h"
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| 63 |
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[805] | 64 | using namespace casa;
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[83] | 65 | using namespace asap;
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[2] | 66 |
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[2412] | 67 | // 2012/02/17 TN
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| 68 | // Since STGrid is implemented, average doesn't consider direction
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| 69 | // when accumulating
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[1819] | 70 | // tolerance for direction comparison (rad)
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[2412] | 71 | // #define TOL_OTF 1.0e-15
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| 72 | // #define TOL_POINT 2.9088821e-4 // 1 arcmin
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[1819] | 73 |
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[805] | 74 | STMath::STMath(bool insitu) :
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| 75 | insitu_(insitu)
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[716] | 76 | {
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| 77 | }
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[170] | 78 |
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| 79 |
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[805] | 80 | STMath::~STMath()
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[170] | 81 | {
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| 82 | }
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| 83 |
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[805] | 84 | CountedPtr<Scantable>
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[977] | 85 | STMath::average( const std::vector<CountedPtr<Scantable> >& in,
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[858] | 86 | const std::vector<bool>& mask,
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[805] | 87 | const std::string& weight,
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[977] | 88 | const std::string& avmode)
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[262] | 89 | {
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[2580] | 90 | // double t0, t1 ;
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| 91 | // t0 = mathutil::gettimeofday_sec() ;
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| 92 |
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[1819] | 93 | LogIO os( LogOrigin( "STMath", "average()", WHERE ) ) ;
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[977] | 94 | if ( avmode == "SCAN" && in.size() != 1 )
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[1066] | 95 | throw(AipsError("Can't perform 'SCAN' averaging on multiple tables.\n"
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| 96 | "Use merge first."));
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[805] | 97 | WeightType wtype = stringToWeight(weight);
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[926] | 98 |
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[2412] | 99 | // 2012/02/17 TN
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| 100 | // Since STGrid is implemented, average doesn't consider direction
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| 101 | // when accumulating
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[1819] | 102 | // check if OTF observation
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[2412] | 103 | // String obstype = in[0]->getHeader().obstype ;
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| 104 | // Double tol = 0.0 ;
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| 105 | // if ( (obstype.find( "OTF" ) != String::npos) || (obstype.find( "OBSERVE_TARGET" ) != String::npos) ) {
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| 106 | // tol = TOL_OTF ;
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| 107 | // }
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| 108 | // else {
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| 109 | // tol = TOL_POINT ;
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| 110 | // }
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[1819] | 111 |
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[805] | 112 | // output
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| 113 | // clone as this is non insitu
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| 114 | bool insitu = insitu_;
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| 115 | setInsitu(false);
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[977] | 116 | CountedPtr< Scantable > out = getScantable(in[0], true);
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[805] | 117 | setInsitu(insitu);
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[977] | 118 | std::vector<CountedPtr<Scantable> >::const_iterator stit = in.begin();
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[862] | 119 | ++stit;
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[977] | 120 | while ( stit != in.end() ) {
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[862] | 121 | out->appendToHistoryTable((*stit)->history());
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| 122 | ++stit;
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| 123 | }
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[294] | 124 |
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[805] | 125 | Table& tout = out->table();
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[701] | 126 |
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[805] | 127 | /// @todo check if all scantables are conformant
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[294] | 128 |
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[805] | 129 | ArrayColumn<Float> specColOut(tout,"SPECTRA");
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| 130 | ArrayColumn<uChar> flagColOut(tout,"FLAGTRA");
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| 131 | ArrayColumn<Float> tsysColOut(tout,"TSYS");
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| 132 | ScalarColumn<Double> mjdColOut(tout,"TIME");
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| 133 | ScalarColumn<Double> intColOut(tout,"INTERVAL");
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[1008] | 134 | ScalarColumn<uInt> cycColOut(tout,"CYCLENO");
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[1145] | 135 | ScalarColumn<uInt> scanColOut(tout,"SCANNO");
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[2829] | 136 | ScalarColumn<uInt> flagRowColOut(tout,"FLAGROW");
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[262] | 137 |
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[805] | 138 | // set up the output table rows. These are based on the structure of the
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[862] | 139 | // FIRST scantable in the vector
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[977] | 140 | const Table& baset = in[0]->table();
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[262] | 141 |
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[2580] | 142 | RowAccumulator acc(wtype);
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| 143 | Vector<Bool> cmask(mask);
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| 144 | acc.setUserMask(cmask);
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| 145 | // ROTableRow row(tout);
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| 146 | ROArrayColumn<Float> specCol, tsysCol;
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| 147 | ROArrayColumn<uChar> flagCol;
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| 148 | ROScalarColumn<Double> mjdCol, intCol;
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| 149 | ROScalarColumn<Int> scanIDCol;
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[2829] | 150 | ROScalarColumn<uInt> flagRowCol;
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[2580] | 151 |
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| 152 | //Vector<uInt> rowstodelete;
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| 153 | Block<uInt> rowstodelB( in[0]->nrow() ) ;
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| 154 | uInt nrowdel = 0 ;
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| 155 |
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| 156 | // Block<String> cols(3);
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| 157 | vector<string> cols(3) ;
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[805] | 158 | cols[0] = String("BEAMNO");
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| 159 | cols[1] = String("IFNO");
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| 160 | cols[2] = String("POLNO");
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| 161 | if ( avmode == "SOURCE" ) {
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| 162 | cols.resize(4);
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| 163 | cols[3] = String("SRCNAME");
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[488] | 164 | }
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[977] | 165 | if ( avmode == "SCAN" && in.size() == 1) {
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[1819] | 166 | //cols.resize(4);
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| 167 | //cols[3] = String("SCANNO");
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| 168 | cols.resize(5);
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| 169 | cols[3] = String("SRCNAME");
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| 170 | cols[4] = String("SCANNO");
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[2] | 171 | }
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[805] | 172 | uInt outrowCount = 0;
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[2918] | 173 | // use STIdxIter2 instead of TableIterator
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| 174 | STIdxIter2 iter( in[0], cols ) ;
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[2580] | 175 | // double t2 = 0 ;
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| 176 | // double t3 = 0 ;
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| 177 | // double t4 = 0 ;
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| 178 | // double t5 = 0 ;
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| 179 | // TableIterator iter(baset, cols);
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[1819] | 180 | // int count = 0 ;
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[805] | 181 | while (!iter.pastEnd()) {
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[2580] | 182 | Vector<uInt> rows = iter.getRows( SHARE ) ;
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| 183 | if ( rows.nelements() == 0 ) {
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| 184 | iter.next() ;
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| 185 | continue ;
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| 186 | }
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[2918] | 187 | Record current = iter.currentValue() ;
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[2580] | 188 | //Table subt = iter.table();
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[2412] | 189 | // copy the first row of this selection into the new table
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| 190 | tout.addRow();
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[2580] | 191 | // t4 = mathutil::gettimeofday_sec() ;
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| 192 | // skip to copy SPECTRA, FLAGTRA, and TSYS since those heavy columns are
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| 193 | // overwritten in the following process
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| 194 | copyRows( tout, baset, outrowCount, rows[0], 1, False, False, False ) ;
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| 195 | // t5 += mathutil::gettimeofday_sec() - t4 ;
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[2412] | 196 | // re-index to 0
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| 197 | if ( avmode != "SCAN" && avmode != "SOURCE" ) {
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| 198 | scanColOut.put(outrowCount, uInt(0));
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| 199 | }
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[2580] | 200 |
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[2412] | 201 | // 2012/02/17 TN
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| 202 | // Since STGrid is implemented, average doesn't consider direction
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| 203 | // when accumulating
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| 204 | // MDirection::ScalarColumn dircol ;
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| 205 | // dircol.attach( subt, "DIRECTION" ) ;
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| 206 | // Int length = subt.nrow() ;
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| 207 | // vector< Vector<Double> > dirs ;
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| 208 | // vector<int> indexes ;
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| 209 | // for ( Int i = 0 ; i < length ; i++ ) {
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| 210 | // Vector<Double> t = dircol(i).getAngle(Unit(String("rad"))).getValue() ;
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| 211 | // //os << << count++ << ": " ;
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| 212 | // //os << "[" << t[0] << "," << t[1] << "]" << LogIO::POST ;
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| 213 | // bool adddir = true ;
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| 214 | // for ( uInt j = 0 ; j < dirs.size() ; j++ ) {
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| 215 | // //if ( allTrue( t == dirs[j] ) ) {
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| 216 | // Double dx = t[0] - dirs[j][0] ;
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| 217 | // Double dy = t[1] - dirs[j][1] ;
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| 218 | // Double dd = sqrt( dx * dx + dy * dy ) ;
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| 219 | // //if ( allNearAbs( t, dirs[j], tol ) ) {
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| 220 | // if ( dd <= tol ) {
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| 221 | // adddir = false ;
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| 222 | // break ;
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| 223 | // }
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| 224 | // }
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| 225 | // if ( adddir ) {
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| 226 | // dirs.push_back( t ) ;
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| 227 | // indexes.push_back( i ) ;
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| 228 | // }
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[1819] | 229 | // }
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[2412] | 230 | // uInt rowNum = dirs.size() ;
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| 231 | // tout.addRow( rowNum ) ;
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| 232 | // for ( uInt i = 0 ; i < rowNum ; i++ ) {
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| 233 | // TableCopy::copyRows( tout, subt, outrowCount+i, indexes[i], 1 ) ;
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| 234 | // // re-index to 0
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| 235 | // if ( avmode != "SCAN" && avmode != "SOURCE" ) {
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| 236 | // scanColOut.put(outrowCount+i, uInt(0));
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| 237 | // }
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| 238 | // }
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| 239 | // outrowCount += rowNum ;
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[144] | 240 |
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[2580] | 241 | // merge loop
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| 242 | uInt i = outrowCount ;
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| 243 | // in[0] is already selected by iterator
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| 244 | specCol.attach(baset,"SPECTRA");
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| 245 | flagCol.attach(baset,"FLAGTRA");
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| 246 | tsysCol.attach(baset,"TSYS");
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| 247 | intCol.attach(baset,"INTERVAL");
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| 248 | mjdCol.attach(baset,"TIME");
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[2829] | 249 | flagRowCol.attach(baset,"FLAGROW");
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[2580] | 250 | Vector<Float> spec,tsys;
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| 251 | Vector<uChar> flag;
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| 252 | Double inter,time;
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[2829] | 253 | uInt flagRow;
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[1333] | 254 |
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[2580] | 255 | for (uInt l = 0; l < rows.nelements(); ++l ) {
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| 256 | uInt k = rows[l] ;
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| 257 | flagCol.get(k, flag);
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| 258 | Vector<Bool> bflag(flag.shape());
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[2829] | 259 | flagRowCol.get(k, flagRow);
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| 260 | if (flagRow > 0)
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| 261 | bflag = true;
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| 262 | else
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| 263 | convertArray(bflag, flag);
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[2580] | 264 | /*
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| 265 | if ( allEQ(bflag, True) ) {
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| 266 | continue;//don't accumulate
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| 267 | }
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| 268 | */
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| 269 | specCol.get(k, spec);
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| 270 | tsysCol.get(k, tsys);
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| 271 | intCol.get(k, inter);
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| 272 | mjdCol.get(k, time);
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| 273 | // spectrum has to be added last to enable weighting by the other values
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| 274 | // t2 = mathutil::gettimeofday_sec() ;
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| 275 | acc.add(spec, !bflag, tsys, inter, time);
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| 276 | // t3 += mathutil::gettimeofday_sec() - t2 ;
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| 277 |
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| 278 | }
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| 279 |
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| 280 |
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| 281 | // in[0] is already selected by TableIterator so that index is
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| 282 | // started from 1
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| 283 | for ( int j=1; j < int(in.size()); ++j ) {
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[977] | 284 | const Table& tin = in[j]->table();
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[2580] | 285 | //const TableRecord& rec = row.get(i);
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[805] | 286 | ROScalarColumn<Double> tmp(tin, "TIME");
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| 287 | Double td;tmp.get(0,td);
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[2580] | 288 |
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| 289 | #if 1
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| 290 | static char const*const colNames1[] = { "IFNO", "BEAMNO", "POLNO" };
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| 291 | //uInt const values1[] = { rec.asuInt("IFNO"), rec.asuInt("BEAMNO"), rec.asuInt("POLNO") };
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[2918] | 292 | uInt const values1[] = { current.asuInt("IFNO"), current.asuInt("BEAMNO"), current.asuInt("POLNO") };
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[2580] | 293 | SingleTypeEqPredicate<uInt, 3> myPred(tin, colNames1, values1);
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| 294 | CustomTableExprNodeRep myNodeRep(tin, myPred);
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| 295 | myNodeRep.link(); // to avoid automatic delete when myExpr is destructed.
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| 296 | CustomTableExprNode myExpr(myNodeRep);
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| 297 | Table basesubt = tin(myExpr);
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| 298 | #else
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| 299 | // Table basesubt = tin( tin.col("BEAMNO") == Int(rec.asuInt("BEAMNO"))
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| 300 | // && tin.col("IFNO") == Int(rec.asuInt("IFNO"))
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| 301 | // && tin.col("POLNO") == Int(rec.asuInt("POLNO")) );
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[2918] | 302 | Table basesubt = tin( tin.col("BEAMNO") == current.asuInt("BEAMNO")
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| 303 | && tin.col("IFNO") == current.asuInt("IFNO")
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| 304 | && tin.col("POLNO") == current.asuInt("POLNO") );
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[2580] | 305 | #endif
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[805] | 306 | Table subt;
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| 307 | if ( avmode == "SOURCE") {
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[2580] | 308 | // subt = basesubt( basesubt.col("SRCNAME") == rec.asString("SRCNAME"));
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[2918] | 309 | subt = basesubt( basesubt.col("SRCNAME") == current.asString("SRCNAME") );
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[2580] | 310 |
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[805] | 311 | } else if (avmode == "SCAN") {
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[2580] | 312 | // subt = basesubt( basesubt.col("SRCNAME") == rec.asString("SRCNAME")
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| 313 | // && basesubt.col("SCANNO") == Int(rec.asuInt("SCANNO")) );
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[2918] | 314 | subt = basesubt( basesubt.col("SRCNAME") == current.asString("SRCNAME")
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| 315 | && basesubt.col("SCANNO") == current.asuInt("SCANNO") );
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[805] | 316 | } else {
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| 317 | subt = basesubt;
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| 318 | }
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[1819] | 319 |
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[2412] | 320 | // 2012/02/17 TN
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| 321 | // Since STGrid is implemented, average doesn't consider direction
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| 322 | // when accumulating
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| 323 | // vector<uInt> removeRows ;
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| 324 | // uInt nrsubt = subt.nrow() ;
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| 325 | // for ( uInt irow = 0 ; irow < nrsubt ; irow++ ) {
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| 326 | // //if ( !allTrue((subt.col("DIRECTION").getArrayDouble(TableExprId(irow)))==rec.asArrayDouble("DIRECTION")) ) {
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| 327 | // Vector<Double> x0 = (subt.col("DIRECTION").getArrayDouble(TableExprId(irow))) ;
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| 328 | // Vector<Double> x1 = rec.asArrayDouble("DIRECTION") ;
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| 329 | // double dx = x0[0] - x1[0];
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| 330 | // double dy = x0[1] - x1[1];
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| 331 | // Double dd = sqrt( dx * dx + dy * dy ) ;
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| 332 | // //if ( !allNearAbs((subt.col("DIRECTION").getArrayDouble(TableExprId(irow))), rec.asArrayDouble("DIRECTION"), tol ) ) {
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| 333 | // if ( dd > tol ) {
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| 334 | // removeRows.push_back( irow ) ;
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| 335 | // }
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| 336 | // }
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| 337 | // if ( removeRows.size() != 0 ) {
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| 338 | // subt.removeRow( removeRows ) ;
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| 339 | // }
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[1819] | 340 |
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[2412] | 341 | // if ( nrsubt == removeRows.size() )
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| 342 | // throw(AipsError("Averaging data is empty.")) ;
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[1819] | 343 |
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[805] | 344 | specCol.attach(subt,"SPECTRA");
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| 345 | flagCol.attach(subt,"FLAGTRA");
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| 346 | tsysCol.attach(subt,"TSYS");
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| 347 | intCol.attach(subt,"INTERVAL");
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| 348 | mjdCol.attach(subt,"TIME");
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[2829] | 349 | flagRowCol.attach(subt,"FLAGROW");
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[805] | 350 | for (uInt k = 0; k < subt.nrow(); ++k ) {
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| 351 | flagCol.get(k, flag);
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| 352 | Vector<Bool> bflag(flag.shape());
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[2829] | 353 | flagRowCol.get(k, flagRow);
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| 354 | if (flagRow > 0)
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| 355 | bflag = true;
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| 356 | else
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| 357 | convertArray(bflag, flag);
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[1314] | 358 | /*
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[805] | 359 | if ( allEQ(bflag, True) ) {
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[1314] | 360 | continue;//don't accumulate
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[144] | 361 | }
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[1314] | 362 | */
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[805] | 363 | specCol.get(k, spec);
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[2475] | 364 | //tsysCol.get(k, tsys);
|
---|
| 365 | tsys.assign( tsysCol(k) );
|
---|
[805] | 366 | intCol.get(k, inter);
|
---|
| 367 | mjdCol.get(k, time);
|
---|
| 368 | // spectrum has to be added last to enable weighting by the other values
|
---|
[2580] | 369 | // t2 = mathutil::gettimeofday_sec() ;
|
---|
[805] | 370 | acc.add(spec, !bflag, tsys, inter, time);
|
---|
[2580] | 371 | // t3 += mathutil::gettimeofday_sec() - t2 ;
|
---|
[805] | 372 | }
|
---|
[2125] | 373 |
|
---|
[805] | 374 | }
|
---|
[1333] | 375 | const Vector<Bool>& msk = acc.getMask();
|
---|
[2986] | 376 | uInt outFlagRow = 0;
|
---|
[1333] | 377 | if ( allEQ(msk, False) ) {
|
---|
[2580] | 378 | rowstodelB[nrowdel] = i ;
|
---|
| 379 | nrowdel++ ;
|
---|
[2986] | 380 | outFlagRow = 1;
|
---|
[1333] | 381 | }
|
---|
[805] | 382 | //write out
|
---|
[1819] | 383 | if (acc.state()) {
|
---|
[2580] | 384 | // If there exists a channel at which all the input spectra are masked,
|
---|
| 385 | // spec has 'nan' values for that channel and it may affect the following
|
---|
| 386 | // processes. To avoid this, replacing 'nan' values in spec with
|
---|
| 387 | // weighted-mean of all spectra in the following line.
|
---|
| 388 | // (done for CAS-2776, 2011/04/07 by Wataru Kawasaki)
|
---|
| 389 | acc.replaceNaN();
|
---|
| 390 |
|
---|
[1819] | 391 | Vector<uChar> flg(msk.shape());
|
---|
| 392 | convertArray(flg, !msk);
|
---|
[2125] | 393 | for (uInt k = 0; k < flg.nelements(); ++k) {
|
---|
| 394 | uChar userFlag = 1 << 7;
|
---|
| 395 | if (msk[k]==True) userFlag = 0 << 7;
|
---|
| 396 | flg(k) = userFlag;
|
---|
| 397 | }
|
---|
| 398 |
|
---|
[1819] | 399 | flagColOut.put(i, flg);
|
---|
| 400 | specColOut.put(i, acc.getSpectrum());
|
---|
| 401 | tsysColOut.put(i, acc.getTsys());
|
---|
| 402 | intColOut.put(i, acc.getInterval());
|
---|
| 403 | mjdColOut.put(i, acc.getTime());
|
---|
| 404 | // we should only have one cycle now -> reset it to be 0
|
---|
| 405 | // frequency switched data has different CYCLENO for different IFNO
|
---|
| 406 | // which requires resetting this value
|
---|
| 407 | cycColOut.put(i, uInt(0));
|
---|
[2986] | 408 | flagRowColOut.put(i, outFlagRow);
|
---|
[1819] | 409 | } else {
|
---|
[2658] | 410 | os << "For output row="<<i<<", all input rows of data are flagged. no averaging" << LogIO::POST;
|
---|
[1819] | 411 | }
|
---|
[805] | 412 | acc.reset();
|
---|
[2580] | 413 |
|
---|
| 414 | // merge with while loop for preparing out table
|
---|
| 415 | ++outrowCount;
|
---|
| 416 | // ++iter ;
|
---|
| 417 | iter.next() ;
|
---|
[144] | 418 | }
|
---|
[2135] | 419 |
|
---|
[2580] | 420 | if ( nrowdel > 0 ) {
|
---|
[2986] | 421 | if (nrowdel == tout.nrow()) {
|
---|
| 422 | os << LogIO::WARN << "Output data are fully flagged." << LogIO::POST;
|
---|
| 423 | }
|
---|
[1333] | 424 | if (tout.nrow() == 0) {
|
---|
| 425 | throw(AipsError("Can't average fully flagged data."));
|
---|
| 426 | }
|
---|
| 427 | }
|
---|
[2580] | 428 |
|
---|
| 429 | // t1 = mathutil::gettimeofday_sec() ;
|
---|
| 430 | // cout << "elapsed time for average(): " << t1-t0 << " sec" << endl ;
|
---|
| 431 | // cout << " elapsed time for acc.add(): " << t3 << " sec" << endl ;
|
---|
| 432 | // cout << " elapsed time for copyRows(): " << t5 << " sec" << endl ;
|
---|
| 433 |
|
---|
[805] | 434 | return out;
|
---|
[2] | 435 | }
|
---|
[9] | 436 |
|
---|
[1069] | 437 | CountedPtr< Scantable >
|
---|
[2163] | 438 | STMath::averageChannel( const CountedPtr < Scantable > & in,
|
---|
[1078] | 439 | const std::string & mode,
|
---|
| 440 | const std::string& avmode )
|
---|
[1069] | 441 | {
|
---|
[2163] | 442 | (void) mode; // currently unused
|
---|
[2412] | 443 | // 2012/02/17 TN
|
---|
| 444 | // Since STGrid is implemented, average doesn't consider direction
|
---|
| 445 | // when accumulating
|
---|
[1819] | 446 | // check if OTF observation
|
---|
[2412] | 447 | // String obstype = in->getHeader().obstype ;
|
---|
| 448 | // Double tol = 0.0 ;
|
---|
| 449 | // if ( obstype.find( "OTF" ) != String::npos ) {
|
---|
| 450 | // tol = TOL_OTF ;
|
---|
| 451 | // }
|
---|
| 452 | // else {
|
---|
| 453 | // tol = TOL_POINT ;
|
---|
| 454 | // }
|
---|
[1819] | 455 |
|
---|
[1069] | 456 | // clone as this is non insitu
|
---|
| 457 | bool insitu = insitu_;
|
---|
| 458 | setInsitu(false);
|
---|
| 459 | CountedPtr< Scantable > out = getScantable(in, true);
|
---|
| 460 | setInsitu(insitu);
|
---|
| 461 | Table& tout = out->table();
|
---|
| 462 | ArrayColumn<Float> specColOut(tout,"SPECTRA");
|
---|
| 463 | ArrayColumn<uChar> flagColOut(tout,"FLAGTRA");
|
---|
| 464 | ArrayColumn<Float> tsysColOut(tout,"TSYS");
|
---|
[1140] | 465 | ScalarColumn<uInt> scanColOut(tout,"SCANNO");
|
---|
[1232] | 466 | ScalarColumn<Double> intColOut(tout, "INTERVAL");
|
---|
[1140] | 467 | Table tmp = in->table().sort("BEAMNO");
|
---|
[1069] | 468 | Block<String> cols(3);
|
---|
| 469 | cols[0] = String("BEAMNO");
|
---|
| 470 | cols[1] = String("IFNO");
|
---|
| 471 | cols[2] = String("POLNO");
|
---|
[1078] | 472 | if ( avmode == "SCAN") {
|
---|
| 473 | cols.resize(4);
|
---|
| 474 | cols[3] = String("SCANNO");
|
---|
| 475 | }
|
---|
[1069] | 476 | uInt outrowCount = 0;
|
---|
| 477 | uChar userflag = 1 << 7;
|
---|
[1140] | 478 | TableIterator iter(tmp, cols);
|
---|
[1069] | 479 | while (!iter.pastEnd()) {
|
---|
| 480 | Table subt = iter.table();
|
---|
| 481 | ROArrayColumn<Float> specCol, tsysCol;
|
---|
| 482 | ROArrayColumn<uChar> flagCol;
|
---|
[1232] | 483 | ROScalarColumn<Double> intCol(subt, "INTERVAL");
|
---|
[1069] | 484 | specCol.attach(subt,"SPECTRA");
|
---|
| 485 | flagCol.attach(subt,"FLAGTRA");
|
---|
| 486 | tsysCol.attach(subt,"TSYS");
|
---|
[2412] | 487 |
|
---|
| 488 | tout.addRow();
|
---|
| 489 | TableCopy::copyRows(tout, subt, outrowCount, 0, 1);
|
---|
| 490 | if ( avmode != "SCAN") {
|
---|
| 491 | scanColOut.put(outrowCount, uInt(0));
|
---|
| 492 | }
|
---|
| 493 | Vector<Float> tmp;
|
---|
| 494 | specCol.get(0, tmp);
|
---|
| 495 | uInt nchan = tmp.nelements();
|
---|
| 496 | // have to do channel by channel here as MaskedArrMath
|
---|
| 497 | // doesn't have partialMedians
|
---|
| 498 | Vector<uChar> flags = flagCol.getColumn(Slicer(Slice(0)));
|
---|
| 499 | Vector<Float> outspec(nchan);
|
---|
| 500 | Vector<uChar> outflag(nchan,0);
|
---|
| 501 | Vector<Float> outtsys(1);/// @fixme when tsys is channel based
|
---|
| 502 | for (uInt i=0; i<nchan; ++i) {
|
---|
| 503 | Vector<Float> specs = specCol.getColumn(Slicer(Slice(i)));
|
---|
| 504 | MaskedArray<Float> ma = maskedArray(specs,flags);
|
---|
| 505 | outspec[i] = median(ma);
|
---|
| 506 | if ( allEQ(ma.getMask(), False) )
|
---|
| 507 | outflag[i] = userflag;// flag data
|
---|
| 508 | }
|
---|
| 509 | outtsys[0] = median(tsysCol.getColumn());
|
---|
| 510 | specColOut.put(outrowCount, outspec);
|
---|
| 511 | flagColOut.put(outrowCount, outflag);
|
---|
| 512 | tsysColOut.put(outrowCount, outtsys);
|
---|
| 513 | Double intsum = sum(intCol.getColumn());
|
---|
| 514 | intColOut.put(outrowCount, intsum);
|
---|
| 515 | ++outrowCount;
|
---|
| 516 | ++iter;
|
---|
| 517 |
|
---|
| 518 | // 2012/02/17 TN
|
---|
| 519 | // Since STGrid is implemented, average doesn't consider direction
|
---|
| 520 | // when accumulating
|
---|
| 521 | // MDirection::ScalarColumn dircol ;
|
---|
| 522 | // dircol.attach( subt, "DIRECTION" ) ;
|
---|
| 523 | // Int length = subt.nrow() ;
|
---|
| 524 | // vector< Vector<Double> > dirs ;
|
---|
| 525 | // vector<int> indexes ;
|
---|
| 526 | // // Handle MX mode averaging
|
---|
| 527 | // if (in->nbeam() > 1 ) {
|
---|
| 528 | // length = 1;
|
---|
[1819] | 529 | // }
|
---|
[2412] | 530 | // for ( Int i = 0 ; i < length ; i++ ) {
|
---|
| 531 | // Vector<Double> t = dircol(i).getAngle(Unit(String("rad"))).getValue() ;
|
---|
| 532 | // bool adddir = true ;
|
---|
| 533 | // for ( uInt j = 0 ; j < dirs.size() ; j++ ) {
|
---|
| 534 | // //if ( allTrue( t == dirs[j] ) ) {
|
---|
| 535 | // Double dx = t[0] - dirs[j][0] ;
|
---|
| 536 | // Double dy = t[1] - dirs[j][1] ;
|
---|
| 537 | // Double dd = sqrt( dx * dx + dy * dy ) ;
|
---|
| 538 | // //if ( allNearAbs( t, dirs[j], tol ) ) {
|
---|
| 539 | // if ( dd <= tol ) {
|
---|
| 540 | // adddir = false ;
|
---|
| 541 | // break ;
|
---|
| 542 | // }
|
---|
| 543 | // }
|
---|
| 544 | // if ( adddir ) {
|
---|
| 545 | // dirs.push_back( t ) ;
|
---|
| 546 | // indexes.push_back( i ) ;
|
---|
| 547 | // }
|
---|
[1819] | 548 | // }
|
---|
[2412] | 549 | // uInt rowNum = dirs.size() ;
|
---|
| 550 | // tout.addRow( rowNum );
|
---|
| 551 | // for ( uInt i = 0 ; i < rowNum ; i++ ) {
|
---|
| 552 | // TableCopy::copyRows(tout, subt, outrowCount+i, indexes[i], 1) ;
|
---|
| 553 | // // Handle MX mode averaging
|
---|
| 554 | // if ( avmode != "SCAN") {
|
---|
| 555 | // scanColOut.put(outrowCount+i, uInt(0));
|
---|
| 556 | // }
|
---|
| 557 | // }
|
---|
| 558 | // MDirection::ScalarColumn dircolOut ;
|
---|
| 559 | // dircolOut.attach( tout, "DIRECTION" ) ;
|
---|
| 560 | // for ( uInt irow = 0 ; irow < rowNum ; irow++ ) {
|
---|
| 561 | // Vector<Double> t = \
|
---|
| 562 | // dircolOut(outrowCount+irow).getAngle(Unit(String("rad"))).getValue() ;
|
---|
| 563 | // Vector<Float> tmp;
|
---|
| 564 | // specCol.get(0, tmp);
|
---|
| 565 | // uInt nchan = tmp.nelements();
|
---|
| 566 | // // have to do channel by channel here as MaskedArrMath
|
---|
| 567 | // // doesn't have partialMedians
|
---|
| 568 | // Vector<uChar> flags = flagCol.getColumn(Slicer(Slice(0)));
|
---|
| 569 | // // mask spectra for different DIRECTION
|
---|
| 570 | // for ( uInt jrow = 0 ; jrow < subt.nrow() ; jrow++ ) {
|
---|
| 571 | // Vector<Double> direction = \
|
---|
| 572 | // dircol(jrow).getAngle(Unit(String("rad"))).getValue() ;
|
---|
| 573 | // //if ( t[0] != direction[0] || t[1] != direction[1] ) {
|
---|
| 574 | // Double dx = t[0] - direction[0];
|
---|
| 575 | // Double dy = t[1] - direction[1];
|
---|
| 576 | // Double dd = sqrt(dx*dx + dy*dy);
|
---|
| 577 | // //if ( !allNearAbs( t, direction, tol ) ) {
|
---|
| 578 | // if ( dd > tol && in->nbeam() < 2 ) {
|
---|
| 579 | // flags[jrow] = userflag ;
|
---|
| 580 | // }
|
---|
| 581 | // }
|
---|
| 582 | // Vector<Float> outspec(nchan);
|
---|
| 583 | // Vector<uChar> outflag(nchan,0);
|
---|
| 584 | // Vector<Float> outtsys(1);/// @fixme when tsys is channel based
|
---|
| 585 | // for (uInt i=0; i<nchan; ++i) {
|
---|
| 586 | // Vector<Float> specs = specCol.getColumn(Slicer(Slice(i)));
|
---|
| 587 | // MaskedArray<Float> ma = maskedArray(specs,flags);
|
---|
| 588 | // outspec[i] = median(ma);
|
---|
| 589 | // if ( allEQ(ma.getMask(), False) )
|
---|
| 590 | // outflag[i] = userflag;// flag data
|
---|
| 591 | // }
|
---|
| 592 | // outtsys[0] = median(tsysCol.getColumn());
|
---|
| 593 | // specColOut.put(outrowCount+irow, outspec);
|
---|
| 594 | // flagColOut.put(outrowCount+irow, outflag);
|
---|
| 595 | // tsysColOut.put(outrowCount+irow, outtsys);
|
---|
| 596 | // Vector<Double> integ = intCol.getColumn() ;
|
---|
| 597 | // MaskedArray<Double> mi = maskedArray( integ, flags ) ;
|
---|
| 598 | // Double intsum = sum(mi);
|
---|
| 599 | // intColOut.put(outrowCount+irow, intsum);
|
---|
| 600 | // }
|
---|
| 601 | // outrowCount += rowNum ;
|
---|
[1819] | 602 | // ++iter;
|
---|
[1069] | 603 | }
|
---|
| 604 | return out;
|
---|
| 605 | }
|
---|
| 606 |
|
---|
[805] | 607 | CountedPtr< Scantable > STMath::getScantable(const CountedPtr< Scantable >& in,
|
---|
| 608 | bool droprows)
|
---|
[185] | 609 | {
|
---|
[1505] | 610 | if (insitu_) {
|
---|
| 611 | return in;
|
---|
| 612 | }
|
---|
[805] | 613 | else {
|
---|
| 614 | // clone
|
---|
[1505] | 615 | return CountedPtr<Scantable>(new Scantable(*in, Bool(droprows)));
|
---|
[234] | 616 | }
|
---|
[805] | 617 | }
|
---|
[234] | 618 |
|
---|
[805] | 619 | CountedPtr< Scantable > STMath::unaryOperate( const CountedPtr< Scantable >& in,
|
---|
| 620 | float val,
|
---|
| 621 | const std::string& mode,
|
---|
[2952] | 622 | bool tsys,
|
---|
| 623 | bool skip_flaggedrow )
|
---|
[805] | 624 | {
|
---|
| 625 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 626 | Table& tab = out->table();
|
---|
| 627 | ArrayColumn<Float> specCol(tab,"SPECTRA");
|
---|
| 628 | ArrayColumn<Float> tsysCol(tab,"TSYS");
|
---|
[2952] | 629 | ScalarColumn<uInt> flagrowCol(tab, "FLAGROW");
|
---|
[2143] | 630 | if (mode=="DIV") val = 1.0/val ;
|
---|
| 631 | else if (mode=="SUB") val *= -1.0 ;
|
---|
[805] | 632 | for (uInt i=0; i<tab.nrow(); ++i) {
|
---|
| 633 | Vector<Float> spec;
|
---|
| 634 | Vector<Float> ts;
|
---|
[2952] | 635 | uInt flagrow;
|
---|
[805] | 636 | specCol.get(i, spec);
|
---|
| 637 | tsysCol.get(i, ts);
|
---|
[2952] | 638 | flagrowCol.get(i, flagrow);
|
---|
| 639 | if (skip_flaggedrow && (flagrow > 0)) continue;
|
---|
[1308] | 640 | if (mode == "MUL" || mode == "DIV") {
|
---|
[2143] | 641 | //if (mode == "DIV") val = 1.0/val;
|
---|
[805] | 642 | spec *= val;
|
---|
| 643 | specCol.put(i, spec);
|
---|
| 644 | if ( tsys ) {
|
---|
| 645 | ts *= val;
|
---|
| 646 | tsysCol.put(i, ts);
|
---|
| 647 | }
|
---|
[1308] | 648 | } else if ( mode == "ADD" || mode == "SUB") {
|
---|
[2143] | 649 | //if (mode == "SUB") val *= -1.0;
|
---|
[805] | 650 | spec += val;
|
---|
| 651 | specCol.put(i, spec);
|
---|
| 652 | if ( tsys ) {
|
---|
| 653 | ts += val;
|
---|
| 654 | tsysCol.put(i, ts);
|
---|
| 655 | }
|
---|
| 656 | }
|
---|
[234] | 657 | }
|
---|
[805] | 658 | return out;
|
---|
| 659 | }
|
---|
[234] | 660 |
|
---|
[1819] | 661 | CountedPtr< Scantable > STMath::arrayOperate( const CountedPtr< Scantable >& in,
|
---|
| 662 | const std::vector<float> val,
|
---|
| 663 | const std::string& mode,
|
---|
| 664 | const std::string& opmode,
|
---|
[2952] | 665 | bool tsys,
|
---|
| 666 | bool skip_flaggedrow )
|
---|
[1819] | 667 | {
|
---|
| 668 | CountedPtr< Scantable > out ;
|
---|
| 669 | if ( opmode == "channel" ) {
|
---|
[2952] | 670 | out = arrayOperateChannel( in, val, mode, tsys, skip_flaggedrow ) ;
|
---|
[1819] | 671 | }
|
---|
| 672 | else if ( opmode == "row" ) {
|
---|
[2952] | 673 | out = arrayOperateRow( in, val, mode, tsys, skip_flaggedrow ) ;
|
---|
[1819] | 674 | }
|
---|
| 675 | else {
|
---|
| 676 | throw( AipsError( "Unknown array operation mode." ) ) ;
|
---|
| 677 | }
|
---|
| 678 | return out ;
|
---|
| 679 | }
|
---|
| 680 |
|
---|
| 681 | CountedPtr< Scantable > STMath::arrayOperateChannel( const CountedPtr< Scantable >& in,
|
---|
| 682 | const std::vector<float> val,
|
---|
| 683 | const std::string& mode,
|
---|
[2952] | 684 | bool tsys,
|
---|
| 685 | bool skip_flaggedrow )
|
---|
[1819] | 686 | {
|
---|
| 687 | if ( val.size() == 1 ){
|
---|
| 688 | return unaryOperate( in, val[0], mode, tsys ) ;
|
---|
| 689 | }
|
---|
| 690 |
|
---|
| 691 | // conformity of SPECTRA and TSYS
|
---|
| 692 | if ( tsys ) {
|
---|
| 693 | TableIterator titer(in->table(), "IFNO");
|
---|
| 694 | while ( !titer.pastEnd() ) {
|
---|
| 695 | ArrayColumn<Float> specCol( in->table(), "SPECTRA" ) ;
|
---|
| 696 | ArrayColumn<Float> tsysCol( in->table(), "TSYS" ) ;
|
---|
| 697 | Array<Float> spec = specCol.getColumn() ;
|
---|
| 698 | Array<Float> ts = tsysCol.getColumn() ;
|
---|
| 699 | if ( !spec.conform( ts ) ) {
|
---|
| 700 | throw( AipsError( "SPECTRA and TSYS must conform in shape if you want to apply operation on Tsys." ) ) ;
|
---|
| 701 | }
|
---|
| 702 | titer.next() ;
|
---|
| 703 | }
|
---|
| 704 | }
|
---|
| 705 |
|
---|
| 706 | // check if all spectra in the scantable have the same number of channel
|
---|
| 707 | vector<uInt> nchans;
|
---|
| 708 | vector<uInt> ifnos = in->getIFNos() ;
|
---|
| 709 | for ( uInt i = 0 ; i < ifnos.size() ; i++ ) {
|
---|
| 710 | nchans.push_back( in->nchan( ifnos[i] ) ) ;
|
---|
| 711 | }
|
---|
| 712 | Vector<uInt> mchans( nchans ) ;
|
---|
| 713 | if ( anyNE( mchans, mchans[0] ) ) {
|
---|
| 714 | throw( AipsError("All spectra in the input scantable must have the same number of channel for vector operation." ) ) ;
|
---|
| 715 | }
|
---|
| 716 |
|
---|
| 717 | // check if vector size is equal to nchan
|
---|
| 718 | Vector<Float> fact( val ) ;
|
---|
| 719 | if ( fact.nelements() != mchans[0] ) {
|
---|
| 720 | throw( AipsError("Vector size must be 1 or be same as number of channel.") ) ;
|
---|
| 721 | }
|
---|
| 722 |
|
---|
| 723 | // check divided by zero
|
---|
| 724 | if ( ( mode == "DIV" ) && anyEQ( fact, (float)0.0 ) ) {
|
---|
| 725 | throw( AipsError("Divided by zero is not recommended." ) ) ;
|
---|
| 726 | }
|
---|
| 727 |
|
---|
| 728 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 729 | Table& tab = out->table();
|
---|
| 730 | ArrayColumn<Float> specCol(tab,"SPECTRA");
|
---|
| 731 | ArrayColumn<Float> tsysCol(tab,"TSYS");
|
---|
[2952] | 732 | ScalarColumn<uInt> flagrowCol(tab, "FLAGROW");
|
---|
[2143] | 733 | if (mode == "DIV") fact = (float)1.0 / fact;
|
---|
| 734 | else if (mode == "SUB") fact *= (float)-1.0 ;
|
---|
[1819] | 735 | for (uInt i=0; i<tab.nrow(); ++i) {
|
---|
| 736 | Vector<Float> spec;
|
---|
| 737 | Vector<Float> ts;
|
---|
[2952] | 738 | uInt flagrow;
|
---|
[1819] | 739 | specCol.get(i, spec);
|
---|
| 740 | tsysCol.get(i, ts);
|
---|
[2952] | 741 | flagrowCol.get(i, flagrow);
|
---|
| 742 | if (skip_flaggedrow && (flagrow > 0)) continue;
|
---|
[1819] | 743 | if (mode == "MUL" || mode == "DIV") {
|
---|
[2143] | 744 | //if (mode == "DIV") fact = (float)1.0 / fact;
|
---|
[1819] | 745 | spec *= fact;
|
---|
| 746 | specCol.put(i, spec);
|
---|
| 747 | if ( tsys ) {
|
---|
| 748 | ts *= fact;
|
---|
| 749 | tsysCol.put(i, ts);
|
---|
| 750 | }
|
---|
| 751 | } else if ( mode == "ADD" || mode == "SUB") {
|
---|
[2143] | 752 | //if (mode == "SUB") fact *= (float)-1.0 ;
|
---|
[1819] | 753 | spec += fact;
|
---|
| 754 | specCol.put(i, spec);
|
---|
| 755 | if ( tsys ) {
|
---|
| 756 | ts += fact;
|
---|
| 757 | tsysCol.put(i, ts);
|
---|
| 758 | }
|
---|
| 759 | }
|
---|
| 760 | }
|
---|
| 761 | return out;
|
---|
| 762 | }
|
---|
| 763 |
|
---|
| 764 | CountedPtr< Scantable > STMath::arrayOperateRow( const CountedPtr< Scantable >& in,
|
---|
| 765 | const std::vector<float> val,
|
---|
| 766 | const std::string& mode,
|
---|
[2952] | 767 | bool tsys,
|
---|
| 768 | bool skip_flaggedrow )
|
---|
[1819] | 769 | {
|
---|
| 770 | if ( val.size() == 1 ) {
|
---|
| 771 | return unaryOperate( in, val[0], mode, tsys ) ;
|
---|
| 772 | }
|
---|
| 773 |
|
---|
| 774 | // conformity of SPECTRA and TSYS
|
---|
| 775 | if ( tsys ) {
|
---|
| 776 | TableIterator titer(in->table(), "IFNO");
|
---|
| 777 | while ( !titer.pastEnd() ) {
|
---|
| 778 | ArrayColumn<Float> specCol( in->table(), "SPECTRA" ) ;
|
---|
| 779 | ArrayColumn<Float> tsysCol( in->table(), "TSYS" ) ;
|
---|
| 780 | Array<Float> spec = specCol.getColumn() ;
|
---|
| 781 | Array<Float> ts = tsysCol.getColumn() ;
|
---|
| 782 | if ( !spec.conform( ts ) ) {
|
---|
| 783 | throw( AipsError( "SPECTRA and TSYS must conform in shape if you want to apply operation on Tsys." ) ) ;
|
---|
| 784 | }
|
---|
| 785 | titer.next() ;
|
---|
| 786 | }
|
---|
| 787 | }
|
---|
| 788 |
|
---|
| 789 | // check if vector size is equal to nrow
|
---|
| 790 | Vector<Float> fact( val ) ;
|
---|
[2125] | 791 | if (fact.nelements() != uInt(in->nrow())) {
|
---|
[1819] | 792 | throw( AipsError("Vector size must be 1 or be same as number of row.") ) ;
|
---|
| 793 | }
|
---|
| 794 |
|
---|
| 795 | // check divided by zero
|
---|
| 796 | if ( ( mode == "DIV" ) && anyEQ( fact, (float)0.0 ) ) {
|
---|
| 797 | throw( AipsError("Divided by zero is not recommended." ) ) ;
|
---|
| 798 | }
|
---|
| 799 |
|
---|
| 800 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 801 | Table& tab = out->table();
|
---|
| 802 | ArrayColumn<Float> specCol(tab,"SPECTRA");
|
---|
| 803 | ArrayColumn<Float> tsysCol(tab,"TSYS");
|
---|
[2952] | 804 | ScalarColumn<uInt> flagrowCol(tab, "FLAGROW");
|
---|
[1819] | 805 | if (mode == "DIV") fact = (float)1.0 / fact;
|
---|
| 806 | if (mode == "SUB") fact *= (float)-1.0 ;
|
---|
| 807 | for (uInt i=0; i<tab.nrow(); ++i) {
|
---|
| 808 | Vector<Float> spec;
|
---|
| 809 | Vector<Float> ts;
|
---|
[2952] | 810 | uInt flagrow;
|
---|
[1819] | 811 | specCol.get(i, spec);
|
---|
| 812 | tsysCol.get(i, ts);
|
---|
[2952] | 813 | flagrowCol.get(i, flagrow);
|
---|
| 814 | if (skip_flaggedrow && (flagrow > 0)) continue;
|
---|
[1819] | 815 | if (mode == "MUL" || mode == "DIV") {
|
---|
| 816 | spec *= fact[i];
|
---|
| 817 | specCol.put(i, spec);
|
---|
| 818 | if ( tsys ) {
|
---|
| 819 | ts *= fact[i];
|
---|
| 820 | tsysCol.put(i, ts);
|
---|
| 821 | }
|
---|
| 822 | } else if ( mode == "ADD" || mode == "SUB") {
|
---|
| 823 | spec += fact[i];
|
---|
| 824 | specCol.put(i, spec);
|
---|
| 825 | if ( tsys ) {
|
---|
| 826 | ts += fact[i];
|
---|
| 827 | tsysCol.put(i, ts);
|
---|
| 828 | }
|
---|
| 829 | }
|
---|
| 830 | }
|
---|
| 831 | return out;
|
---|
| 832 | }
|
---|
| 833 |
|
---|
| 834 | CountedPtr< Scantable > STMath::array2dOperate( const CountedPtr< Scantable >& in,
|
---|
| 835 | const std::vector< std::vector<float> > val,
|
---|
| 836 | const std::string& mode,
|
---|
| 837 | bool tsys )
|
---|
| 838 | {
|
---|
| 839 | // conformity of SPECTRA and TSYS
|
---|
| 840 | if ( tsys ) {
|
---|
| 841 | TableIterator titer(in->table(), "IFNO");
|
---|
| 842 | while ( !titer.pastEnd() ) {
|
---|
| 843 | ArrayColumn<Float> specCol( in->table(), "SPECTRA" ) ;
|
---|
| 844 | ArrayColumn<Float> tsysCol( in->table(), "TSYS" ) ;
|
---|
| 845 | Array<Float> spec = specCol.getColumn() ;
|
---|
| 846 | Array<Float> ts = tsysCol.getColumn() ;
|
---|
| 847 | if ( !spec.conform( ts ) ) {
|
---|
| 848 | throw( AipsError( "SPECTRA and TSYS must conform in shape if you want to apply operation on Tsys." ) ) ;
|
---|
| 849 | }
|
---|
| 850 | titer.next() ;
|
---|
| 851 | }
|
---|
| 852 | }
|
---|
| 853 |
|
---|
| 854 | // some checks
|
---|
| 855 | vector<uInt> nchans;
|
---|
[2125] | 856 | for (Int i = 0 ; i < in->nrow() ; i++) {
|
---|
| 857 | nchans.push_back((in->getSpectrum(i)).size());
|
---|
[1819] | 858 | }
|
---|
| 859 | //Vector<uInt> mchans( nchans ) ;
|
---|
| 860 | vector< Vector<Float> > facts ;
|
---|
| 861 | for ( uInt i = 0 ; i < nchans.size() ; i++ ) {
|
---|
| 862 | Vector<Float> tmp( val[i] ) ;
|
---|
| 863 | // check divided by zero
|
---|
| 864 | if ( ( mode == "DIV" ) && anyEQ( tmp, (float)0.0 ) ) {
|
---|
| 865 | throw( AipsError("Divided by zero is not recommended." ) ) ;
|
---|
| 866 | }
|
---|
| 867 | // conformity check
|
---|
| 868 | if ( tmp.nelements() != nchans[i] ) {
|
---|
| 869 | stringstream ss ;
|
---|
| 870 | ss << "Row " << i << ": Vector size must be same as number of channel." ;
|
---|
| 871 | throw( AipsError( ss.str() ) ) ;
|
---|
| 872 | }
|
---|
| 873 | facts.push_back( tmp ) ;
|
---|
| 874 | }
|
---|
| 875 |
|
---|
| 876 |
|
---|
| 877 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 878 | Table& tab = out->table();
|
---|
| 879 | ArrayColumn<Float> specCol(tab,"SPECTRA");
|
---|
| 880 | ArrayColumn<Float> tsysCol(tab,"TSYS");
|
---|
| 881 | for (uInt i=0; i<tab.nrow(); ++i) {
|
---|
| 882 | Vector<Float> fact = facts[i] ;
|
---|
| 883 | Vector<Float> spec;
|
---|
| 884 | Vector<Float> ts;
|
---|
| 885 | specCol.get(i, spec);
|
---|
| 886 | tsysCol.get(i, ts);
|
---|
| 887 | if (mode == "MUL" || mode == "DIV") {
|
---|
| 888 | if (mode == "DIV") fact = (float)1.0 / fact;
|
---|
| 889 | spec *= fact;
|
---|
| 890 | specCol.put(i, spec);
|
---|
| 891 | if ( tsys ) {
|
---|
| 892 | ts *= fact;
|
---|
| 893 | tsysCol.put(i, ts);
|
---|
| 894 | }
|
---|
| 895 | } else if ( mode == "ADD" || mode == "SUB") {
|
---|
| 896 | if (mode == "SUB") fact *= (float)-1.0 ;
|
---|
| 897 | spec += fact;
|
---|
| 898 | specCol.put(i, spec);
|
---|
| 899 | if ( tsys ) {
|
---|
| 900 | ts += fact;
|
---|
| 901 | tsysCol.put(i, ts);
|
---|
| 902 | }
|
---|
| 903 | }
|
---|
| 904 | }
|
---|
| 905 | return out;
|
---|
| 906 | }
|
---|
| 907 |
|
---|
[1569] | 908 | CountedPtr<Scantable> STMath::binaryOperate(const CountedPtr<Scantable>& left,
|
---|
| 909 | const CountedPtr<Scantable>& right,
|
---|
[1308] | 910 | const std::string& mode)
|
---|
| 911 | {
|
---|
| 912 | bool insitu = insitu_;
|
---|
| 913 | if ( ! left->conformant(*right) ) {
|
---|
| 914 | throw(AipsError("'left' and 'right' scantables are not conformant."));
|
---|
| 915 | }
|
---|
| 916 | setInsitu(false);
|
---|
| 917 | CountedPtr< Scantable > out = getScantable(left, false);
|
---|
| 918 | setInsitu(insitu);
|
---|
| 919 | Table& tout = out->table();
|
---|
| 920 | Block<String> coln(5);
|
---|
| 921 | coln[0] = "SCANNO"; coln[1] = "CYCLENO"; coln[2] = "BEAMNO";
|
---|
| 922 | coln[3] = "IFNO"; coln[4] = "POLNO";
|
---|
| 923 | Table tmpl = tout.sort(coln);
|
---|
| 924 | Table tmpr = right->table().sort(coln);
|
---|
| 925 | ArrayColumn<Float> lspecCol(tmpl,"SPECTRA");
|
---|
| 926 | ROArrayColumn<Float> rspecCol(tmpr,"SPECTRA");
|
---|
| 927 | ArrayColumn<uChar> lflagCol(tmpl,"FLAGTRA");
|
---|
| 928 | ROArrayColumn<uChar> rflagCol(tmpr,"FLAGTRA");
|
---|
[2974] | 929 | ScalarColumn<uInt> lflagrowCol(tmpl,"FLAGROW");
|
---|
| 930 | ROScalarColumn<uInt> rflagrowCol(tmpr,"FLAGROW");
|
---|
[1308] | 931 |
|
---|
| 932 | for (uInt i=0; i<tout.nrow(); ++i) {
|
---|
[2974] | 933 | uInt lflagrow, rflagrow;
|
---|
| 934 | lflagrow = lflagrowCol(i); rflagrow = rflagrowCol(i);
|
---|
| 935 | //-------
|
---|
| 936 | if ((lflagrow > 0)||(rflagrow > 0)) {
|
---|
| 937 | lflagrowCol.put(i, uInt(1));
|
---|
| 938 | continue;
|
---|
| 939 | }
|
---|
[1308] | 940 | Vector<Float> lspecvec, rspecvec;
|
---|
| 941 | Vector<uChar> lflagvec, rflagvec;
|
---|
| 942 | lspecvec = lspecCol(i); rspecvec = rspecCol(i);
|
---|
| 943 | lflagvec = lflagCol(i); rflagvec = rflagCol(i);
|
---|
[2974] | 944 | Vector<uChar> outflagvec = lflagCol(i);
|
---|
| 945 | //-------
|
---|
| 946 | for (uInt j = 0; j < outflagvec.nelements(); ++j) {
|
---|
| 947 | uChar outflag = 0 << 7;
|
---|
| 948 | if ((lflagvec(j) == 1 << 7) || (rflagvec(j) == 1 << 7)) {
|
---|
| 949 | outflag = 1 << 7;
|
---|
| 950 | }
|
---|
| 951 | outflagvec(j) = outflag;
|
---|
| 952 | }
|
---|
| 953 | lflagvec = 0 << 7;
|
---|
| 954 | rflagvec = 0 << 7;
|
---|
| 955 | //-------
|
---|
[1308] | 956 | MaskedArray<Float> mleft = maskedArray(lspecvec, lflagvec);
|
---|
| 957 | MaskedArray<Float> mright = maskedArray(rspecvec, rflagvec);
|
---|
| 958 | if (mode == "ADD") {
|
---|
| 959 | mleft += mright;
|
---|
| 960 | } else if ( mode == "SUB") {
|
---|
| 961 | mleft -= mright;
|
---|
| 962 | } else if ( mode == "MUL") {
|
---|
| 963 | mleft *= mright;
|
---|
| 964 | } else if ( mode == "DIV") {
|
---|
| 965 | mleft /= mright;
|
---|
| 966 | } else {
|
---|
| 967 | throw(AipsError("Illegal binary operator"));
|
---|
| 968 | }
|
---|
| 969 | lspecCol.put(i, mleft.getArray());
|
---|
[2974] | 970 | //-----
|
---|
| 971 | lflagCol.put(i, outflagvec);
|
---|
| 972 | //-----
|
---|
[1308] | 973 | }
|
---|
| 974 | return out;
|
---|
| 975 | }
|
---|
| 976 |
|
---|
| 977 |
|
---|
| 978 |
|
---|
[805] | 979 | MaskedArray<Float> STMath::maskedArray( const Vector<Float>& s,
|
---|
| 980 | const Vector<uChar>& f)
|
---|
| 981 | {
|
---|
| 982 | Vector<Bool> mask;
|
---|
| 983 | mask.resize(f.shape());
|
---|
| 984 | convertArray(mask, f);
|
---|
| 985 | return MaskedArray<Float>(s,!mask);
|
---|
| 986 | }
|
---|
[248] | 987 |
|
---|
[1819] | 988 | MaskedArray<Double> STMath::maskedArray( const Vector<Double>& s,
|
---|
| 989 | const Vector<uChar>& f)
|
---|
| 990 | {
|
---|
| 991 | Vector<Bool> mask;
|
---|
| 992 | mask.resize(f.shape());
|
---|
| 993 | convertArray(mask, f);
|
---|
| 994 | return MaskedArray<Double>(s,!mask);
|
---|
| 995 | }
|
---|
| 996 |
|
---|
[805] | 997 | Vector<uChar> STMath::flagsFromMA(const MaskedArray<Float>& ma)
|
---|
| 998 | {
|
---|
| 999 | const Vector<Bool>& m = ma.getMask();
|
---|
| 1000 | Vector<uChar> flags(m.shape());
|
---|
| 1001 | convertArray(flags, !m);
|
---|
| 1002 | return flags;
|
---|
| 1003 | }
|
---|
[234] | 1004 |
|
---|
[1066] | 1005 | CountedPtr< Scantable > STMath::autoQuotient( const CountedPtr< Scantable >& in,
|
---|
| 1006 | const std::string & mode,
|
---|
| 1007 | bool preserve )
|
---|
[805] | 1008 | {
|
---|
| 1009 | /// @todo make other modes available
|
---|
| 1010 | /// modes should be "nearest", "pair"
|
---|
| 1011 | // make this operation non insitu
|
---|
[2163] | 1012 | (void) mode; //currently unused
|
---|
[805] | 1013 | const Table& tin = in->table();
|
---|
[1819] | 1014 | Table ons = tin(tin.col("SRCTYPE") == Int(SrcType::PSON));
|
---|
| 1015 | Table offs = tin(tin.col("SRCTYPE") == Int(SrcType::PSOFF));
|
---|
[805] | 1016 | if ( offs.nrow() == 0 )
|
---|
| 1017 | throw(AipsError("No 'off' scans present."));
|
---|
| 1018 | // put all "on" scans into output table
|
---|
[701] | 1019 |
|
---|
[805] | 1020 | bool insitu = insitu_;
|
---|
| 1021 | setInsitu(false);
|
---|
| 1022 | CountedPtr< Scantable > out = getScantable(in, true);
|
---|
| 1023 | setInsitu(insitu);
|
---|
| 1024 | Table& tout = out->table();
|
---|
[248] | 1025 |
|
---|
[805] | 1026 | TableCopy::copyRows(tout, ons);
|
---|
| 1027 | TableRow row(tout);
|
---|
| 1028 | ROScalarColumn<Double> offtimeCol(offs, "TIME");
|
---|
| 1029 | ArrayColumn<Float> outspecCol(tout, "SPECTRA");
|
---|
| 1030 | ROArrayColumn<Float> outtsysCol(tout, "TSYS");
|
---|
| 1031 | ArrayColumn<uChar> outflagCol(tout, "FLAGTRA");
|
---|
| 1032 | for (uInt i=0; i < tout.nrow(); ++i) {
|
---|
| 1033 | const TableRecord& rec = row.get(i);
|
---|
| 1034 | Double ontime = rec.asDouble("TIME");
|
---|
[1321] | 1035 | Table presel = offs(offs.col("BEAMNO") == Int(rec.asuInt("BEAMNO"))
|
---|
| 1036 | && offs.col("IFNO") == Int(rec.asuInt("IFNO"))
|
---|
| 1037 | && offs.col("POLNO") == Int(rec.asuInt("POLNO")) );
|
---|
| 1038 | ROScalarColumn<Double> offtimeCol(presel, "TIME");
|
---|
| 1039 |
|
---|
[805] | 1040 | Double mindeltat = min(abs(offtimeCol.getColumn() - ontime));
|
---|
[1259] | 1041 | // Timestamp may vary within a cycle ???!!!
|
---|
[1321] | 1042 | // increase this by 0.01 sec in case of rounding errors...
|
---|
[1259] | 1043 | // There might be a better way to do this.
|
---|
[1321] | 1044 | // fix to this fix. TIME is MJD, so 1.0d not 1.0s
|
---|
| 1045 | mindeltat += 0.01/24./60./60.;
|
---|
| 1046 | Table sel = presel( abs(presel.col("TIME")-ontime) <= mindeltat);
|
---|
[780] | 1047 |
|
---|
[1259] | 1048 | if ( sel.nrow() < 1 ) {
|
---|
| 1049 | throw(AipsError("No closest in time found... This could be a rounding "
|
---|
| 1050 | "issue. Try quotient instead."));
|
---|
| 1051 | }
|
---|
[805] | 1052 | TableRow offrow(sel);
|
---|
| 1053 | const TableRecord& offrec = offrow.get(0);//should only be one row
|
---|
| 1054 | RORecordFieldPtr< Array<Float> > specoff(offrec, "SPECTRA");
|
---|
| 1055 | RORecordFieldPtr< Array<Float> > tsysoff(offrec, "TSYS");
|
---|
| 1056 | RORecordFieldPtr< Array<uChar> > flagoff(offrec, "FLAGTRA");
|
---|
| 1057 | /// @fixme this assumes tsys is a scalar not vector
|
---|
| 1058 | Float tsysoffscalar = (*tsysoff)(IPosition(1,0));
|
---|
| 1059 | Vector<Float> specon, tsyson;
|
---|
| 1060 | outtsysCol.get(i, tsyson);
|
---|
| 1061 | outspecCol.get(i, specon);
|
---|
| 1062 | Vector<uChar> flagon;
|
---|
| 1063 | outflagCol.get(i, flagon);
|
---|
| 1064 | MaskedArray<Float> mon = maskedArray(specon, flagon);
|
---|
| 1065 | MaskedArray<Float> moff = maskedArray(*specoff, *flagoff);
|
---|
| 1066 | MaskedArray<Float> quot = (tsysoffscalar * mon / moff);
|
---|
| 1067 | if (preserve) {
|
---|
| 1068 | quot -= tsysoffscalar;
|
---|
| 1069 | } else {
|
---|
| 1070 | quot -= tsyson[0];
|
---|
[701] | 1071 | }
|
---|
[805] | 1072 | outspecCol.put(i, quot.getArray());
|
---|
| 1073 | outflagCol.put(i, flagsFromMA(quot));
|
---|
| 1074 | }
|
---|
[926] | 1075 | // renumber scanno
|
---|
| 1076 | TableIterator it(tout, "SCANNO");
|
---|
| 1077 | uInt i = 0;
|
---|
| 1078 | while ( !it.pastEnd() ) {
|
---|
| 1079 | Table t = it.table();
|
---|
| 1080 | TableVector<uInt> vec(t, "SCANNO");
|
---|
| 1081 | vec = i;
|
---|
| 1082 | ++i;
|
---|
| 1083 | ++it;
|
---|
| 1084 | }
|
---|
[805] | 1085 | return out;
|
---|
| 1086 | }
|
---|
[234] | 1087 |
|
---|
[1066] | 1088 |
|
---|
| 1089 | CountedPtr< Scantable > STMath::quotient( const CountedPtr< Scantable > & on,
|
---|
| 1090 | const CountedPtr< Scantable > & off,
|
---|
| 1091 | bool preserve )
|
---|
| 1092 | {
|
---|
| 1093 | bool insitu = insitu_;
|
---|
[1069] | 1094 | if ( ! on->conformant(*off) ) {
|
---|
| 1095 | throw(AipsError("'on' and 'off' scantables are not conformant."));
|
---|
| 1096 | }
|
---|
[1066] | 1097 | setInsitu(false);
|
---|
| 1098 | CountedPtr< Scantable > out = getScantable(on, false);
|
---|
| 1099 | setInsitu(insitu);
|
---|
| 1100 | Table& tout = out->table();
|
---|
| 1101 | const Table& toff = off->table();
|
---|
| 1102 | TableIterator sit(tout, "SCANNO");
|
---|
| 1103 | TableIterator s2it(toff, "SCANNO");
|
---|
| 1104 | while ( !sit.pastEnd() ) {
|
---|
| 1105 | Table ton = sit.table();
|
---|
| 1106 | TableRow row(ton);
|
---|
| 1107 | Table t = s2it.table();
|
---|
| 1108 | ArrayColumn<Float> outspecCol(ton, "SPECTRA");
|
---|
| 1109 | ROArrayColumn<Float> outtsysCol(ton, "TSYS");
|
---|
| 1110 | ArrayColumn<uChar> outflagCol(ton, "FLAGTRA");
|
---|
| 1111 | for (uInt i=0; i < ton.nrow(); ++i) {
|
---|
| 1112 | const TableRecord& rec = row.get(i);
|
---|
| 1113 | Table offsel = t( t.col("BEAMNO") == Int(rec.asuInt("BEAMNO"))
|
---|
| 1114 | && t.col("IFNO") == Int(rec.asuInt("IFNO"))
|
---|
| 1115 | && t.col("POLNO") == Int(rec.asuInt("POLNO")) );
|
---|
[1145] | 1116 | if ( offsel.nrow() == 0 )
|
---|
| 1117 | throw AipsError("STMath::quotient: no matching off");
|
---|
[1066] | 1118 | TableRow offrow(offsel);
|
---|
| 1119 | const TableRecord& offrec = offrow.get(0);//should be ncycles - take first
|
---|
| 1120 | RORecordFieldPtr< Array<Float> > specoff(offrec, "SPECTRA");
|
---|
| 1121 | RORecordFieldPtr< Array<Float> > tsysoff(offrec, "TSYS");
|
---|
| 1122 | RORecordFieldPtr< Array<uChar> > flagoff(offrec, "FLAGTRA");
|
---|
| 1123 | Float tsysoffscalar = (*tsysoff)(IPosition(1,0));
|
---|
| 1124 | Vector<Float> specon, tsyson;
|
---|
| 1125 | outtsysCol.get(i, tsyson);
|
---|
| 1126 | outspecCol.get(i, specon);
|
---|
| 1127 | Vector<uChar> flagon;
|
---|
| 1128 | outflagCol.get(i, flagon);
|
---|
| 1129 | MaskedArray<Float> mon = maskedArray(specon, flagon);
|
---|
| 1130 | MaskedArray<Float> moff = maskedArray(*specoff, *flagoff);
|
---|
| 1131 | MaskedArray<Float> quot = (tsysoffscalar * mon / moff);
|
---|
| 1132 | if (preserve) {
|
---|
| 1133 | quot -= tsysoffscalar;
|
---|
| 1134 | } else {
|
---|
| 1135 | quot -= tsyson[0];
|
---|
| 1136 | }
|
---|
| 1137 | outspecCol.put(i, quot.getArray());
|
---|
| 1138 | outflagCol.put(i, flagsFromMA(quot));
|
---|
| 1139 | }
|
---|
| 1140 | ++sit;
|
---|
| 1141 | ++s2it;
|
---|
| 1142 | // take the first off for each on scan which doesn't have a
|
---|
| 1143 | // matching off scan
|
---|
| 1144 | // non <= noff: matching pairs, non > noff matching pairs then first off
|
---|
| 1145 | if ( s2it.pastEnd() ) s2it.reset();
|
---|
| 1146 | }
|
---|
| 1147 | return out;
|
---|
| 1148 | }
|
---|
| 1149 |
|
---|
[1391] | 1150 | // dototalpower (migration of GBTIDL procedure dototalpower.pro)
|
---|
| 1151 | // calibrate the CAL on-off pair. It calculate Tsys and average CAL on-off subintegrations
|
---|
| 1152 | // do it for each cycles in a specific scan.
|
---|
| 1153 | CountedPtr< Scantable > STMath::dototalpower( const CountedPtr< Scantable >& calon,
|
---|
| 1154 | const CountedPtr< Scantable >& caloff, Float tcal )
|
---|
| 1155 | {
|
---|
[2289] | 1156 | if ( ! calon->conformant(*caloff) ) {
|
---|
[1391] | 1157 | throw(AipsError("'CAL on' and 'CAL off' scantables are not conformant."));
|
---|
| 1158 | }
|
---|
| 1159 | setInsitu(false);
|
---|
| 1160 | CountedPtr< Scantable > out = getScantable(caloff, false);
|
---|
| 1161 | Table& tout = out->table();
|
---|
| 1162 | const Table& tcon = calon->table();
|
---|
| 1163 | Vector<Float> tcalout;
|
---|
[1066] | 1164 |
|
---|
[2289] | 1165 | std::map<uInt,uInt> tcalIdToRecNoMap;
|
---|
| 1166 | const Table& calOffTcalTable = caloff->tcal().table();
|
---|
| 1167 | {
|
---|
| 1168 | ROScalarColumn<uInt> calOffTcalTable_IDcol(calOffTcalTable, "ID");
|
---|
| 1169 | const Vector<uInt> tcalIds(calOffTcalTable_IDcol.getColumn());
|
---|
| 1170 | size_t tcalIdsEnd = tcalIds.nelements();
|
---|
| 1171 | for (uInt i = 0; i < tcalIdsEnd; i++) {
|
---|
| 1172 | tcalIdToRecNoMap[tcalIds[i]] = i;
|
---|
| 1173 | }
|
---|
| 1174 | }
|
---|
| 1175 | ROArrayColumn<Float> calOffTcalTable_TCALcol(calOffTcalTable, "TCAL");
|
---|
| 1176 |
|
---|
[1391] | 1177 | if ( tout.nrow() != tcon.nrow() ) {
|
---|
| 1178 | throw(AipsError("Mismatch in number of rows to form cal on - off pair."));
|
---|
| 1179 | }
|
---|
| 1180 | // iteration by scanno or cycle no.
|
---|
| 1181 | TableIterator sit(tout, "SCANNO");
|
---|
| 1182 | TableIterator s2it(tcon, "SCANNO");
|
---|
| 1183 | while ( !sit.pastEnd() ) {
|
---|
| 1184 | Table toff = sit.table();
|
---|
| 1185 | TableRow row(toff);
|
---|
| 1186 | Table t = s2it.table();
|
---|
| 1187 | ScalarColumn<Double> outintCol(toff, "INTERVAL");
|
---|
| 1188 | ArrayColumn<Float> outspecCol(toff, "SPECTRA");
|
---|
| 1189 | ArrayColumn<Float> outtsysCol(toff, "TSYS");
|
---|
| 1190 | ArrayColumn<uChar> outflagCol(toff, "FLAGTRA");
|
---|
| 1191 | ROScalarColumn<uInt> outtcalIdCol(toff, "TCAL_ID");
|
---|
| 1192 | ROScalarColumn<uInt> outpolCol(toff, "POLNO");
|
---|
| 1193 | ROScalarColumn<Double> onintCol(t, "INTERVAL");
|
---|
| 1194 | ROArrayColumn<Float> onspecCol(t, "SPECTRA");
|
---|
| 1195 | ROArrayColumn<Float> ontsysCol(t, "TSYS");
|
---|
| 1196 | ROArrayColumn<uChar> onflagCol(t, "FLAGTRA");
|
---|
| 1197 | //ROScalarColumn<uInt> ontcalIdCol(t, "TCAL_ID");
|
---|
| 1198 |
|
---|
| 1199 | for (uInt i=0; i < toff.nrow(); ++i) {
|
---|
| 1200 | //skip these checks -> assumes the data order are the same between the cal on off pairs
|
---|
| 1201 | //
|
---|
| 1202 | Vector<Float> specCalon, specCaloff;
|
---|
| 1203 | // to store scalar (mean) tsys
|
---|
| 1204 | Vector<Float> tsysout(1);
|
---|
| 1205 | uInt tcalId, polno;
|
---|
| 1206 | Double offint, onint;
|
---|
| 1207 | outpolCol.get(i, polno);
|
---|
| 1208 | outspecCol.get(i, specCaloff);
|
---|
| 1209 | onspecCol.get(i, specCalon);
|
---|
| 1210 | Vector<uChar> flagCaloff, flagCalon;
|
---|
| 1211 | outflagCol.get(i, flagCaloff);
|
---|
| 1212 | onflagCol.get(i, flagCalon);
|
---|
| 1213 | outtcalIdCol.get(i, tcalId);
|
---|
| 1214 | outintCol.get(i, offint);
|
---|
| 1215 | onintCol.get(i, onint);
|
---|
| 1216 | // caluculate mean Tsys
|
---|
| 1217 | uInt nchan = specCaloff.nelements();
|
---|
| 1218 | // percentage of edge cut off
|
---|
| 1219 | uInt pc = 10;
|
---|
| 1220 | uInt bchan = nchan/pc;
|
---|
| 1221 | uInt echan = nchan-bchan;
|
---|
| 1222 |
|
---|
| 1223 | Slicer chansl(IPosition(1,bchan-1), IPosition(1,echan-1), IPosition(1,1),Slicer::endIsLast);
|
---|
| 1224 | Vector<Float> testsubsp = specCaloff(chansl);
|
---|
| 1225 | MaskedArray<Float> spoff = maskedArray( specCaloff(chansl),flagCaloff(chansl) );
|
---|
| 1226 | MaskedArray<Float> spon = maskedArray( specCalon(chansl),flagCalon(chansl) );
|
---|
| 1227 | MaskedArray<Float> spdiff = spon-spoff;
|
---|
| 1228 | uInt noff = spoff.nelementsValid();
|
---|
| 1229 | //uInt non = spon.nelementsValid();
|
---|
| 1230 | uInt ndiff = spdiff.nelementsValid();
|
---|
| 1231 | Float meantsys;
|
---|
| 1232 |
|
---|
| 1233 | /**
|
---|
| 1234 | Double subspec, subdiff;
|
---|
| 1235 | uInt usednchan;
|
---|
| 1236 | subspec = 0;
|
---|
| 1237 | subdiff = 0;
|
---|
| 1238 | usednchan = 0;
|
---|
| 1239 | for(uInt k=(bchan-1); k<echan; k++) {
|
---|
| 1240 | subspec += specCaloff[k];
|
---|
| 1241 | subdiff += static_cast<Double>(specCalon[k]-specCaloff[k]);
|
---|
| 1242 | ++usednchan;
|
---|
| 1243 | }
|
---|
| 1244 | **/
|
---|
| 1245 | // get tcal if input tcal <= 0
|
---|
| 1246 | Float tcalUsed;
|
---|
| 1247 | tcalUsed = tcal;
|
---|
| 1248 | if ( tcal <= 0.0 ) {
|
---|
[2289] | 1249 | uInt tcalRecNo = tcalIdToRecNoMap[tcalId];
|
---|
| 1250 | calOffTcalTable_TCALcol.get(tcalRecNo, tcalout);
|
---|
[2004] | 1251 | // if (polno<=3) {
|
---|
| 1252 | // tcalUsed = tcalout[polno];
|
---|
| 1253 | // }
|
---|
| 1254 | // else {
|
---|
| 1255 | // tcalUsed = tcalout[0];
|
---|
| 1256 | // }
|
---|
| 1257 | if ( tcalout.size() == 1 )
|
---|
| 1258 | tcalUsed = tcalout[0] ;
|
---|
| 1259 | else if ( tcalout.size() == nchan )
|
---|
| 1260 | tcalUsed = mean(tcalout) ;
|
---|
[1391] | 1261 | else {
|
---|
[2004] | 1262 | uInt ipol = polno ;
|
---|
| 1263 | if ( ipol > 3 ) ipol = 0 ;
|
---|
| 1264 | tcalUsed = tcalout[ipol] ;
|
---|
[1391] | 1265 | }
|
---|
| 1266 | }
|
---|
| 1267 |
|
---|
| 1268 | Float meanoff;
|
---|
| 1269 | Float meandiff;
|
---|
| 1270 | if (noff && ndiff) {
|
---|
| 1271 | //Debug
|
---|
| 1272 | //if(noff!=ndiff) cerr<<"noff and ndiff is not equal"<<endl;
|
---|
[1819] | 1273 | //LogIO os( LogOrigin( "STMath", "dototalpower()", WHERE ) ) ;
|
---|
| 1274 | //if(noff!=ndiff) os<<"noff and ndiff is not equal"<<LogIO::POST;
|
---|
[1391] | 1275 | meanoff = sum(spoff)/noff;
|
---|
| 1276 | meandiff = sum(spdiff)/ndiff;
|
---|
| 1277 | meantsys= (meanoff/meandiff )*tcalUsed + tcalUsed/2;
|
---|
| 1278 | }
|
---|
| 1279 | else {
|
---|
| 1280 | meantsys=1;
|
---|
| 1281 | }
|
---|
| 1282 |
|
---|
| 1283 | tsysout[0] = Float(meantsys);
|
---|
| 1284 | MaskedArray<Float> mcaloff = maskedArray(specCaloff, flagCaloff);
|
---|
| 1285 | MaskedArray<Float> mcalon = maskedArray(specCalon, flagCalon);
|
---|
| 1286 | MaskedArray<Float> sig = Float(0.5) * (mcaloff + mcalon);
|
---|
| 1287 | //uInt ncaloff = mcaloff.nelementsValid();
|
---|
| 1288 | //uInt ncalon = mcalon.nelementsValid();
|
---|
| 1289 |
|
---|
| 1290 | outintCol.put(i, offint+onint);
|
---|
| 1291 | outspecCol.put(i, sig.getArray());
|
---|
| 1292 | outflagCol.put(i, flagsFromMA(sig));
|
---|
| 1293 | outtsysCol.put(i, tsysout);
|
---|
| 1294 | }
|
---|
| 1295 | ++sit;
|
---|
| 1296 | ++s2it;
|
---|
| 1297 | }
|
---|
| 1298 | return out;
|
---|
| 1299 | }
|
---|
| 1300 |
|
---|
| 1301 | //dosigref - migrated from GBT IDL's dosigref.pro, do calibration of position switch
|
---|
| 1302 | // observatiions.
|
---|
| 1303 | // input: sig and ref scantables, and an optional boxcar smoothing width(default width=0,
|
---|
| 1304 | // no smoothing).
|
---|
| 1305 | // output: resultant scantable [= (sig-ref/ref)*tsys]
|
---|
| 1306 | CountedPtr< Scantable > STMath::dosigref( const CountedPtr < Scantable >& sig,
|
---|
| 1307 | const CountedPtr < Scantable >& ref,
|
---|
| 1308 | int smoothref,
|
---|
| 1309 | casa::Float tsysv,
|
---|
| 1310 | casa::Float tau )
|
---|
| 1311 | {
|
---|
[2658] | 1312 | LogIO os( casa::LogOrigin( "STMath", "dosigref()"));
|
---|
[1391] | 1313 | if ( ! ref->conformant(*sig) ) {
|
---|
| 1314 | throw(AipsError("'sig' and 'ref' scantables are not conformant."));
|
---|
| 1315 | }
|
---|
| 1316 | setInsitu(false);
|
---|
| 1317 | CountedPtr< Scantable > out = getScantable(sig, false);
|
---|
| 1318 | CountedPtr< Scantable > smref;
|
---|
| 1319 | if ( smoothref > 1 ) {
|
---|
| 1320 | float fsmoothref = static_cast<float>(smoothref);
|
---|
| 1321 | std::string inkernel = "boxcar";
|
---|
| 1322 | smref = smooth(ref, inkernel, fsmoothref );
|
---|
| 1323 | ostringstream oss;
|
---|
[2658] | 1324 | os <<"Applied smoothing of "<<fsmoothref<<" on the reference."
|
---|
| 1325 | << LogIO::POST;
|
---|
[1391] | 1326 | }
|
---|
| 1327 | else {
|
---|
| 1328 | smref = ref;
|
---|
| 1329 | }
|
---|
| 1330 | Table& tout = out->table();
|
---|
| 1331 | const Table& tref = smref->table();
|
---|
| 1332 | if ( tout.nrow() != tref.nrow() ) {
|
---|
| 1333 | throw(AipsError("Mismatch in number of rows to form on-source and reference pair."));
|
---|
| 1334 | }
|
---|
| 1335 | // iteration by scanno? or cycle no.
|
---|
| 1336 | TableIterator sit(tout, "SCANNO");
|
---|
| 1337 | TableIterator s2it(tref, "SCANNO");
|
---|
| 1338 | while ( !sit.pastEnd() ) {
|
---|
| 1339 | Table ton = sit.table();
|
---|
| 1340 | Table t = s2it.table();
|
---|
| 1341 | ScalarColumn<Double> outintCol(ton, "INTERVAL");
|
---|
| 1342 | ArrayColumn<Float> outspecCol(ton, "SPECTRA");
|
---|
| 1343 | ArrayColumn<Float> outtsysCol(ton, "TSYS");
|
---|
| 1344 | ArrayColumn<uChar> outflagCol(ton, "FLAGTRA");
|
---|
| 1345 | ArrayColumn<Float> refspecCol(t, "SPECTRA");
|
---|
| 1346 | ROScalarColumn<Double> refintCol(t, "INTERVAL");
|
---|
| 1347 | ROArrayColumn<Float> reftsysCol(t, "TSYS");
|
---|
| 1348 | ArrayColumn<uChar> refflagCol(t, "FLAGTRA");
|
---|
| 1349 | ROScalarColumn<Float> refelevCol(t, "ELEVATION");
|
---|
| 1350 | for (uInt i=0; i < ton.nrow(); ++i) {
|
---|
| 1351 |
|
---|
| 1352 | Double onint, refint;
|
---|
| 1353 | Vector<Float> specon, specref;
|
---|
| 1354 | // to store scalar (mean) tsys
|
---|
| 1355 | Vector<Float> tsysref;
|
---|
| 1356 | outintCol.get(i, onint);
|
---|
| 1357 | refintCol.get(i, refint);
|
---|
| 1358 | outspecCol.get(i, specon);
|
---|
| 1359 | refspecCol.get(i, specref);
|
---|
| 1360 | Vector<uChar> flagref, flagon;
|
---|
| 1361 | outflagCol.get(i, flagon);
|
---|
| 1362 | refflagCol.get(i, flagref);
|
---|
| 1363 | reftsysCol.get(i, tsysref);
|
---|
| 1364 |
|
---|
| 1365 | Float tsysrefscalar;
|
---|
| 1366 | if ( tsysv > 0.0 ) {
|
---|
| 1367 | ostringstream oss;
|
---|
| 1368 | Float elev;
|
---|
| 1369 | refelevCol.get(i, elev);
|
---|
[2658] | 1370 | os << "user specified Tsys = " << tsysv;
|
---|
[1391] | 1371 | // do recalc elevation if EL = 0
|
---|
| 1372 | if ( elev == 0 ) {
|
---|
| 1373 | throw(AipsError("EL=0, elevation data is missing."));
|
---|
| 1374 | } else {
|
---|
| 1375 | if ( tau <= 0.0 ) {
|
---|
| 1376 | throw(AipsError("Valid tau is not supplied."));
|
---|
| 1377 | } else {
|
---|
| 1378 | tsysrefscalar = tsysv * exp(tau/elev);
|
---|
| 1379 | }
|
---|
| 1380 | }
|
---|
[2658] | 1381 | os << ", corrected (for El) tsys= "<<tsysrefscalar;
|
---|
[1391] | 1382 | }
|
---|
| 1383 | else {
|
---|
| 1384 | tsysrefscalar = tsysref[0];
|
---|
| 1385 | }
|
---|
| 1386 | //get quotient spectrum
|
---|
| 1387 | MaskedArray<Float> mref = maskedArray(specref, flagref);
|
---|
| 1388 | MaskedArray<Float> mon = maskedArray(specon, flagon);
|
---|
| 1389 | MaskedArray<Float> specres = tsysrefscalar*((mon - mref)/mref);
|
---|
| 1390 | Double resint = onint*refint*smoothref/(onint+refint*smoothref);
|
---|
| 1391 |
|
---|
| 1392 | //Debug
|
---|
| 1393 | //cerr<<"Tsys used="<<tsysrefscalar<<endl;
|
---|
[1819] | 1394 | //LogIO os( LogOrigin( "STMath", "dosigref", WHERE ) ) ;
|
---|
| 1395 | //os<<"Tsys used="<<tsysrefscalar<<LogIO::POST;
|
---|
[1391] | 1396 | // fill the result, replay signal tsys by reference tsys
|
---|
| 1397 | outintCol.put(i, resint);
|
---|
| 1398 | outspecCol.put(i, specres.getArray());
|
---|
| 1399 | outflagCol.put(i, flagsFromMA(specres));
|
---|
| 1400 | outtsysCol.put(i, tsysref);
|
---|
| 1401 | }
|
---|
| 1402 | ++sit;
|
---|
| 1403 | ++s2it;
|
---|
| 1404 | }
|
---|
[2695] | 1405 |
|
---|
| 1406 | out->setFluxUnit("K");
|
---|
| 1407 |
|
---|
[1391] | 1408 | return out;
|
---|
| 1409 | }
|
---|
| 1410 |
|
---|
| 1411 | CountedPtr< Scantable > STMath::donod(const casa::CountedPtr<Scantable>& s,
|
---|
| 1412 | const std::vector<int>& scans,
|
---|
| 1413 | int smoothref,
|
---|
| 1414 | casa::Float tsysv,
|
---|
| 1415 | casa::Float tau,
|
---|
| 1416 | casa::Float tcal )
|
---|
| 1417 |
|
---|
| 1418 | {
|
---|
| 1419 | setInsitu(false);
|
---|
[2658] | 1420 | LogIO os( casa::LogOrigin( "STMath", "donod()"));
|
---|
[1391] | 1421 | STSelector sel;
|
---|
[1819] | 1422 | std::vector<int> scan1, scan2, beams, types;
|
---|
[1391] | 1423 | std::vector< vector<int> > scanpair;
|
---|
[1819] | 1424 | //std::vector<string> calstate;
|
---|
| 1425 | std::vector<int> calstate;
|
---|
[1391] | 1426 | String msg;
|
---|
| 1427 |
|
---|
| 1428 | CountedPtr< Scantable > s1b1on, s1b1off, s1b2on, s1b2off;
|
---|
| 1429 | CountedPtr< Scantable > s2b1on, s2b1off, s2b2on, s2b2off;
|
---|
| 1430 |
|
---|
| 1431 | std::vector< CountedPtr< Scantable > > sctables;
|
---|
| 1432 | sctables.push_back(s1b1on);
|
---|
| 1433 | sctables.push_back(s1b1off);
|
---|
| 1434 | sctables.push_back(s1b2on);
|
---|
| 1435 | sctables.push_back(s1b2off);
|
---|
| 1436 | sctables.push_back(s2b1on);
|
---|
| 1437 | sctables.push_back(s2b1off);
|
---|
| 1438 | sctables.push_back(s2b2on);
|
---|
| 1439 | sctables.push_back(s2b2off);
|
---|
| 1440 |
|
---|
| 1441 | //check scanlist
|
---|
| 1442 | int n=s->checkScanInfo(scans);
|
---|
| 1443 | if (n==1) {
|
---|
| 1444 | throw(AipsError("Incorrect scan pairs. "));
|
---|
| 1445 | }
|
---|
| 1446 |
|
---|
| 1447 | // Assume scans contain only a pair of consecutive scan numbers.
|
---|
| 1448 | // It is assumed that first beam, b1, is on target.
|
---|
| 1449 | // There is no check if the first beam is on or not.
|
---|
| 1450 | if ( scans.size()==1 ) {
|
---|
| 1451 | scan1.push_back(scans[0]);
|
---|
| 1452 | scan2.push_back(scans[0]+1);
|
---|
| 1453 | } else if ( scans.size()==2 ) {
|
---|
| 1454 | scan1.push_back(scans[0]);
|
---|
| 1455 | scan2.push_back(scans[1]);
|
---|
| 1456 | } else {
|
---|
| 1457 | if ( scans.size()%2 == 0 ) {
|
---|
| 1458 | for (uInt i=0; i<scans.size(); i++) {
|
---|
| 1459 | if (i%2 == 0) {
|
---|
| 1460 | scan1.push_back(scans[i]);
|
---|
| 1461 | }
|
---|
| 1462 | else {
|
---|
| 1463 | scan2.push_back(scans[i]);
|
---|
| 1464 | }
|
---|
| 1465 | }
|
---|
| 1466 | } else {
|
---|
| 1467 | throw(AipsError("Odd numbers of scans, cannot form pairs."));
|
---|
| 1468 | }
|
---|
| 1469 | }
|
---|
| 1470 | scanpair.push_back(scan1);
|
---|
| 1471 | scanpair.push_back(scan2);
|
---|
[1819] | 1472 | //calstate.push_back("*calon");
|
---|
| 1473 | //calstate.push_back("*[^calon]");
|
---|
| 1474 | calstate.push_back(SrcType::NODCAL);
|
---|
| 1475 | calstate.push_back(SrcType::NOD);
|
---|
[1391] | 1476 | CountedPtr< Scantable > ws = getScantable(s, false);
|
---|
| 1477 | uInt l=0;
|
---|
| 1478 | while ( l < sctables.size() ) {
|
---|
| 1479 | for (uInt i=0; i < 2; i++) {
|
---|
| 1480 | for (uInt j=0; j < 2; j++) {
|
---|
| 1481 | for (uInt k=0; k < 2; k++) {
|
---|
| 1482 | sel.reset();
|
---|
| 1483 | sel.setScans(scanpair[i]);
|
---|
[1819] | 1484 | //sel.setName(calstate[k]);
|
---|
| 1485 | types.clear();
|
---|
| 1486 | types.push_back(calstate[k]);
|
---|
| 1487 | sel.setTypes(types);
|
---|
[1391] | 1488 | beams.clear();
|
---|
| 1489 | beams.push_back(j);
|
---|
| 1490 | sel.setBeams(beams);
|
---|
| 1491 | ws->setSelection(sel);
|
---|
| 1492 | sctables[l]= getScantable(ws, false);
|
---|
| 1493 | l++;
|
---|
| 1494 | }
|
---|
| 1495 | }
|
---|
| 1496 | }
|
---|
| 1497 | }
|
---|
| 1498 |
|
---|
| 1499 | // replace here by splitData or getData functionality
|
---|
| 1500 | CountedPtr< Scantable > sig1;
|
---|
| 1501 | CountedPtr< Scantable > ref1;
|
---|
| 1502 | CountedPtr< Scantable > sig2;
|
---|
| 1503 | CountedPtr< Scantable > ref2;
|
---|
| 1504 | CountedPtr< Scantable > calb1;
|
---|
| 1505 | CountedPtr< Scantable > calb2;
|
---|
| 1506 |
|
---|
| 1507 | msg=String("Processing dototalpower for subset of the data");
|
---|
[2658] | 1508 | os << msg << LogIO::POST;
|
---|
[1391] | 1509 | // Debug for IRC CS data
|
---|
| 1510 | //float tcal1=7.0;
|
---|
| 1511 | //float tcal2=4.0;
|
---|
| 1512 | sig1 = dototalpower(sctables[0], sctables[1], tcal=tcal);
|
---|
| 1513 | ref1 = dototalpower(sctables[2], sctables[3], tcal=tcal);
|
---|
| 1514 | ref2 = dototalpower(sctables[4], sctables[5], tcal=tcal);
|
---|
| 1515 | sig2 = dototalpower(sctables[6], sctables[7], tcal=tcal);
|
---|
| 1516 |
|
---|
| 1517 | // correction of user-specified tsys for elevation here
|
---|
| 1518 |
|
---|
| 1519 | // dosigref calibration
|
---|
| 1520 | msg=String("Processing dosigref for subset of the data");
|
---|
[2658] | 1521 | os << msg << endl;
|
---|
[1391] | 1522 | calb1=dosigref(sig1,ref2,smoothref,tsysv,tau);
|
---|
| 1523 | calb2=dosigref(sig2,ref1,smoothref,tsysv,tau);
|
---|
| 1524 |
|
---|
| 1525 | // iteration by scanno or cycle no.
|
---|
| 1526 | Table& tcalb1 = calb1->table();
|
---|
| 1527 | Table& tcalb2 = calb2->table();
|
---|
| 1528 | TableIterator sit(tcalb1, "SCANNO");
|
---|
| 1529 | TableIterator s2it(tcalb2, "SCANNO");
|
---|
| 1530 | while ( !sit.pastEnd() ) {
|
---|
| 1531 | Table t1 = sit.table();
|
---|
| 1532 | Table t2= s2it.table();
|
---|
| 1533 | ArrayColumn<Float> outspecCol(t1, "SPECTRA");
|
---|
| 1534 | ArrayColumn<Float> outtsysCol(t1, "TSYS");
|
---|
| 1535 | ArrayColumn<uChar> outflagCol(t1, "FLAGTRA");
|
---|
| 1536 | ScalarColumn<Double> outintCol(t1, "INTERVAL");
|
---|
| 1537 | ArrayColumn<Float> t2specCol(t2, "SPECTRA");
|
---|
| 1538 | ROArrayColumn<Float> t2tsysCol(t2, "TSYS");
|
---|
| 1539 | ArrayColumn<uChar> t2flagCol(t2, "FLAGTRA");
|
---|
| 1540 | ROScalarColumn<Double> t2intCol(t2, "INTERVAL");
|
---|
| 1541 | for (uInt i=0; i < t1.nrow(); ++i) {
|
---|
| 1542 | Vector<Float> spec1, spec2;
|
---|
| 1543 | // to store scalar (mean) tsys
|
---|
| 1544 | Vector<Float> tsys1, tsys2;
|
---|
| 1545 | Vector<uChar> flag1, flag2;
|
---|
| 1546 | Double tint1, tint2;
|
---|
| 1547 | outspecCol.get(i, spec1);
|
---|
| 1548 | t2specCol.get(i, spec2);
|
---|
| 1549 | outflagCol.get(i, flag1);
|
---|
| 1550 | t2flagCol.get(i, flag2);
|
---|
| 1551 | outtsysCol.get(i, tsys1);
|
---|
| 1552 | t2tsysCol.get(i, tsys2);
|
---|
| 1553 | outintCol.get(i, tint1);
|
---|
| 1554 | t2intCol.get(i, tint2);
|
---|
| 1555 | // average
|
---|
| 1556 | // assume scalar tsys for weights
|
---|
| 1557 | Float wt1, wt2, tsyssq1, tsyssq2;
|
---|
| 1558 | tsyssq1 = tsys1[0]*tsys1[0];
|
---|
| 1559 | tsyssq2 = tsys2[0]*tsys2[0];
|
---|
| 1560 | wt1 = Float(tint1)/tsyssq1;
|
---|
| 1561 | wt2 = Float(tint2)/tsyssq2;
|
---|
| 1562 | Float invsumwt=1/(wt1+wt2);
|
---|
| 1563 | MaskedArray<Float> mspec1 = maskedArray(spec1, flag1);
|
---|
| 1564 | MaskedArray<Float> mspec2 = maskedArray(spec2, flag2);
|
---|
| 1565 | MaskedArray<Float> avspec = invsumwt * (wt1*mspec1 + wt2*mspec2);
|
---|
| 1566 | //Array<Float> avtsys = Float(0.5) * (tsys1 + tsys2);
|
---|
| 1567 | // cerr<< "Tsys1="<<tsys1<<" Tsys2="<<tsys2<<endl;
|
---|
[1819] | 1568 | // LogIO os( LogOrigin( "STMath", "donod", WHERE ) ) ;
|
---|
| 1569 | // os<< "Tsys1="<<tsys1<<" Tsys2="<<tsys2<<LogIO::POST;
|
---|
[1391] | 1570 | tsys1[0] = sqrt(tsyssq1 + tsyssq2);
|
---|
| 1571 | Array<Float> avtsys = tsys1;
|
---|
| 1572 |
|
---|
| 1573 | outspecCol.put(i, avspec.getArray());
|
---|
| 1574 | outflagCol.put(i, flagsFromMA(avspec));
|
---|
| 1575 | outtsysCol.put(i, avtsys);
|
---|
| 1576 | }
|
---|
| 1577 | ++sit;
|
---|
| 1578 | ++s2it;
|
---|
| 1579 | }
|
---|
[2695] | 1580 |
|
---|
| 1581 | calb1->setFluxUnit("K");
|
---|
| 1582 |
|
---|
[1391] | 1583 | return calb1;
|
---|
| 1584 | }
|
---|
| 1585 |
|
---|
| 1586 | //GBTIDL version of frequency switched data calibration
|
---|
| 1587 | CountedPtr< Scantable > STMath::dofs( const CountedPtr< Scantable >& s,
|
---|
| 1588 | const std::vector<int>& scans,
|
---|
| 1589 | int smoothref,
|
---|
| 1590 | casa::Float tsysv,
|
---|
| 1591 | casa::Float tau,
|
---|
| 1592 | casa::Float tcal )
|
---|
| 1593 | {
|
---|
| 1594 |
|
---|
| 1595 |
|
---|
[2163] | 1596 | (void) scans; //currently unused
|
---|
[1391] | 1597 | STSelector sel;
|
---|
| 1598 | CountedPtr< Scantable > ws = getScantable(s, false);
|
---|
| 1599 | CountedPtr< Scantable > sig, sigwcal, ref, refwcal;
|
---|
[1819] | 1600 | CountedPtr< Scantable > calsig, calref, out, out1, out2;
|
---|
| 1601 | Bool nofold=False;
|
---|
| 1602 | vector<int> types ;
|
---|
[1391] | 1603 |
|
---|
| 1604 | //split the data
|
---|
[1819] | 1605 | //sel.setName("*_fs");
|
---|
| 1606 | types.push_back( SrcType::FSON ) ;
|
---|
| 1607 | sel.setTypes( types ) ;
|
---|
[1391] | 1608 | ws->setSelection(sel);
|
---|
| 1609 | sig = getScantable(ws,false);
|
---|
| 1610 | sel.reset();
|
---|
[1819] | 1611 | types.clear() ;
|
---|
| 1612 | //sel.setName("*_fs_calon");
|
---|
| 1613 | types.push_back( SrcType::FONCAL ) ;
|
---|
| 1614 | sel.setTypes( types ) ;
|
---|
[1391] | 1615 | ws->setSelection(sel);
|
---|
| 1616 | sigwcal = getScantable(ws,false);
|
---|
| 1617 | sel.reset();
|
---|
[1819] | 1618 | types.clear() ;
|
---|
| 1619 | //sel.setName("*_fsr");
|
---|
| 1620 | types.push_back( SrcType::FSOFF ) ;
|
---|
| 1621 | sel.setTypes( types ) ;
|
---|
[1391] | 1622 | ws->setSelection(sel);
|
---|
| 1623 | ref = getScantable(ws,false);
|
---|
| 1624 | sel.reset();
|
---|
[1819] | 1625 | types.clear() ;
|
---|
| 1626 | //sel.setName("*_fsr_calon");
|
---|
| 1627 | types.push_back( SrcType::FOFFCAL ) ;
|
---|
| 1628 | sel.setTypes( types ) ;
|
---|
[1391] | 1629 | ws->setSelection(sel);
|
---|
| 1630 | refwcal = getScantable(ws,false);
|
---|
[1819] | 1631 | sel.reset() ;
|
---|
| 1632 | types.clear() ;
|
---|
[1391] | 1633 |
|
---|
| 1634 | calsig = dototalpower(sigwcal, sig, tcal=tcal);
|
---|
| 1635 | calref = dototalpower(refwcal, ref, tcal=tcal);
|
---|
| 1636 |
|
---|
[1819] | 1637 | out1=dosigref(calsig,calref,smoothref,tsysv,tau);
|
---|
| 1638 | out2=dosigref(calref,calsig,smoothref,tsysv,tau);
|
---|
[1391] | 1639 |
|
---|
[1819] | 1640 | Table& tabout1=out1->table();
|
---|
| 1641 | Table& tabout2=out2->table();
|
---|
| 1642 | ROScalarColumn<uInt> freqidCol1(tabout1, "FREQ_ID");
|
---|
| 1643 | ScalarColumn<uInt> freqidCol2(tabout2, "FREQ_ID");
|
---|
| 1644 | ROArrayColumn<Float> specCol(tabout2, "SPECTRA");
|
---|
| 1645 | Vector<Float> spec; specCol.get(0, spec);
|
---|
| 1646 | uInt nchan = spec.nelements();
|
---|
| 1647 | uInt freqid1; freqidCol1.get(0,freqid1);
|
---|
| 1648 | uInt freqid2; freqidCol2.get(0,freqid2);
|
---|
| 1649 | Double rp1, rp2, rv1, rv2, inc1, inc2;
|
---|
| 1650 | out1->frequencies().getEntry(rp1, rv1, inc1, freqid1);
|
---|
| 1651 | out2->frequencies().getEntry(rp2, rv2, inc2, freqid2);
|
---|
| 1652 | //cerr << out1->frequencies().table().nrow() << " " << out2->frequencies().table().nrow() << endl ;
|
---|
| 1653 | //LogIO os( LogOrigin( "STMath", "dofs()", WHERE ) ) ;
|
---|
| 1654 | //os << out1->frequencies().table().nrow() << " " << out2->frequencies().table().nrow() << LogIO::POST ;
|
---|
| 1655 | if (rp1==rp2) {
|
---|
| 1656 | Double foffset = rv1 - rv2;
|
---|
| 1657 | uInt choffset = static_cast<uInt>(foffset/abs(inc2));
|
---|
| 1658 | if (choffset >= nchan) {
|
---|
| 1659 | //cerr<<"out-band frequency switching, no folding"<<endl;
|
---|
| 1660 | LogIO os( LogOrigin( "STMath", "dofs()", WHERE ) ) ;
|
---|
| 1661 | os<<"out-band frequency switching, no folding"<<LogIO::POST;
|
---|
| 1662 | nofold = True;
|
---|
| 1663 | }
|
---|
| 1664 | }
|
---|
| 1665 |
|
---|
| 1666 | if (nofold) {
|
---|
| 1667 | std::vector< CountedPtr< Scantable > > tabs;
|
---|
| 1668 | tabs.push_back(out1);
|
---|
| 1669 | tabs.push_back(out2);
|
---|
| 1670 | out = merge(tabs);
|
---|
| 1671 | }
|
---|
| 1672 | else {
|
---|
| 1673 | //out = out1;
|
---|
| 1674 | Double choffset = ( rv1 - rv2 ) / inc2 ;
|
---|
| 1675 | out = dofold( out1, out2, choffset ) ;
|
---|
| 1676 | }
|
---|
[2695] | 1677 |
|
---|
| 1678 | out->setFluxUnit("K");
|
---|
| 1679 |
|
---|
[1391] | 1680 | return out;
|
---|
| 1681 | }
|
---|
| 1682 |
|
---|
[1819] | 1683 | CountedPtr<Scantable> STMath::dofold( const CountedPtr<Scantable> &sig,
|
---|
| 1684 | const CountedPtr<Scantable> &ref,
|
---|
| 1685 | Double choffset,
|
---|
| 1686 | Double choffset2 )
|
---|
| 1687 | {
|
---|
| 1688 | LogIO os( LogOrigin( "STMath", "dofold", WHERE ) ) ;
|
---|
| 1689 | os << "choffset=" << choffset << " choffset2=" << choffset2 << LogIO::POST ;
|
---|
[1391] | 1690 |
|
---|
[1819] | 1691 | // output scantable
|
---|
| 1692 | CountedPtr<Scantable> out = getScantable( sig, false ) ;
|
---|
| 1693 |
|
---|
| 1694 | // separate choffset to integer part and decimal part
|
---|
| 1695 | Int ioffset = (Int)choffset ;
|
---|
| 1696 | Double doffset = choffset - ioffset ;
|
---|
| 1697 | Int ioffset2 = (Int)choffset2 ;
|
---|
| 1698 | Double doffset2 = choffset2 - ioffset2 ;
|
---|
| 1699 | os << "ioffset=" << ioffset << " doffset=" << doffset << LogIO::POST ;
|
---|
| 1700 | os << "ioffset2=" << ioffset2 << " doffset2=" << doffset2 << LogIO::POST ;
|
---|
| 1701 |
|
---|
| 1702 | // get column
|
---|
| 1703 | ROArrayColumn<Float> specCol1( sig->table(), "SPECTRA" ) ;
|
---|
| 1704 | ROArrayColumn<Float> specCol2( ref->table(), "SPECTRA" ) ;
|
---|
| 1705 | ROArrayColumn<Float> tsysCol1( sig->table(), "TSYS" ) ;
|
---|
| 1706 | ROArrayColumn<Float> tsysCol2( ref->table(), "TSYS" ) ;
|
---|
| 1707 | ROArrayColumn<uChar> flagCol1( sig->table(), "FLAGTRA" ) ;
|
---|
| 1708 | ROArrayColumn<uChar> flagCol2( ref->table(), "FLAGTRA" ) ;
|
---|
| 1709 | ROScalarColumn<Double> mjdCol1( sig->table(), "TIME" ) ;
|
---|
| 1710 | ROScalarColumn<Double> mjdCol2( ref->table(), "TIME" ) ;
|
---|
| 1711 | ROScalarColumn<Double> intervalCol1( sig->table(), "INTERVAL" ) ;
|
---|
| 1712 | ROScalarColumn<Double> intervalCol2( ref->table(), "INTERVAL" ) ;
|
---|
| 1713 |
|
---|
| 1714 | // check
|
---|
| 1715 | if ( ioffset == 0 ) {
|
---|
| 1716 | LogIO os( LogOrigin( "STMath", "dofold()", WHERE ) ) ;
|
---|
| 1717 | os << "channel offset is zero, no folding" << LogIO::POST ;
|
---|
| 1718 | return out ;
|
---|
| 1719 | }
|
---|
| 1720 | int nchan = ref->nchan() ;
|
---|
| 1721 | if ( abs(ioffset) >= nchan ) {
|
---|
| 1722 | LogIO os( LogOrigin( "STMath", "dofold()", WHERE ) ) ;
|
---|
| 1723 | os << "out-band frequency switching, no folding" << LogIO::POST ;
|
---|
| 1724 | return out ;
|
---|
| 1725 | }
|
---|
| 1726 |
|
---|
| 1727 | // attach column for output scantable
|
---|
| 1728 | ArrayColumn<Float> specColOut( out->table(), "SPECTRA" ) ;
|
---|
| 1729 | ArrayColumn<uChar> flagColOut( out->table(), "FLAGTRA" ) ;
|
---|
| 1730 | ArrayColumn<Float> tsysColOut( out->table(), "TSYS" ) ;
|
---|
| 1731 | ScalarColumn<Double> mjdColOut( out->table(), "TIME" ) ;
|
---|
| 1732 | ScalarColumn<Double> intervalColOut( out->table(), "INTERVAL" ) ;
|
---|
| 1733 | ScalarColumn<uInt> fidColOut( out->table(), "FREQ_ID" ) ;
|
---|
| 1734 |
|
---|
| 1735 | // for each row
|
---|
| 1736 | // assume that the data order are same between sig and ref
|
---|
| 1737 | RowAccumulator acc( asap::W_TINTSYS ) ;
|
---|
| 1738 | for ( int i = 0 ; i < sig->nrow() ; i++ ) {
|
---|
| 1739 | // get values
|
---|
| 1740 | Vector<Float> spsig ;
|
---|
| 1741 | specCol1.get( i, spsig ) ;
|
---|
| 1742 | Vector<Float> spref ;
|
---|
| 1743 | specCol2.get( i, spref ) ;
|
---|
| 1744 | Vector<Float> tsyssig ;
|
---|
| 1745 | tsysCol1.get( i, tsyssig ) ;
|
---|
| 1746 | Vector<Float> tsysref ;
|
---|
| 1747 | tsysCol2.get( i, tsysref ) ;
|
---|
| 1748 | Vector<uChar> flagsig ;
|
---|
| 1749 | flagCol1.get( i, flagsig ) ;
|
---|
| 1750 | Vector<uChar> flagref ;
|
---|
| 1751 | flagCol2.get( i, flagref ) ;
|
---|
| 1752 | Double timesig ;
|
---|
| 1753 | mjdCol1.get( i, timesig ) ;
|
---|
| 1754 | Double timeref ;
|
---|
| 1755 | mjdCol2.get( i, timeref ) ;
|
---|
| 1756 | Double intsig ;
|
---|
| 1757 | intervalCol1.get( i, intsig ) ;
|
---|
| 1758 | Double intref ;
|
---|
| 1759 | intervalCol2.get( i, intref ) ;
|
---|
| 1760 |
|
---|
| 1761 | // shift reference spectra
|
---|
| 1762 | int refchan = spref.nelements() ;
|
---|
| 1763 | Vector<Float> sspref( spref.nelements() ) ;
|
---|
| 1764 | Vector<Float> stsysref( tsysref.nelements() ) ;
|
---|
| 1765 | Vector<uChar> sflagref( flagref.nelements() ) ;
|
---|
| 1766 | if ( ioffset > 0 ) {
|
---|
| 1767 | // SPECTRA and FLAGTRA
|
---|
| 1768 | for ( int j = 0 ; j < refchan-ioffset ; j++ ) {
|
---|
| 1769 | sspref[j] = spref[j+ioffset] ;
|
---|
| 1770 | sflagref[j] = flagref[j+ioffset] ;
|
---|
| 1771 | }
|
---|
| 1772 | for ( int j = refchan-ioffset ; j < refchan ; j++ ) {
|
---|
| 1773 | sspref[j] = spref[j-refchan+ioffset] ;
|
---|
| 1774 | sflagref[j] = flagref[j-refchan+ioffset] ;
|
---|
| 1775 | }
|
---|
| 1776 | spref = sspref.copy() ;
|
---|
| 1777 | flagref = sflagref.copy() ;
|
---|
| 1778 | for ( int j = 0 ; j < refchan - 1 ; j++ ) {
|
---|
| 1779 | sspref[j] = doffset * spref[j+1] + ( 1.0 - doffset ) * spref[j] ;
|
---|
| 1780 | sflagref[j] = flagref[j+1] + flagref[j] ;
|
---|
| 1781 | }
|
---|
| 1782 | sspref[refchan-1] = doffset * spref[0] + ( 1.0 - doffset ) * spref[refchan-1] ;
|
---|
| 1783 | sflagref[refchan-1] = flagref[0] + flagref[refchan-1] ;
|
---|
| 1784 |
|
---|
| 1785 | // TSYS
|
---|
| 1786 | if ( spref.nelements() == tsysref.nelements() ) {
|
---|
| 1787 | for ( int j = 0 ; j < refchan-ioffset ; j++ ) {
|
---|
| 1788 | stsysref[j] = tsysref[j+ioffset] ;
|
---|
| 1789 | }
|
---|
| 1790 | for ( int j = refchan-ioffset ; j < refchan ; j++ ) {
|
---|
| 1791 | stsysref[j] = tsysref[j-refchan+ioffset] ;
|
---|
| 1792 | }
|
---|
| 1793 | tsysref = stsysref.copy() ;
|
---|
| 1794 | for ( int j = 0 ; j < refchan - 1 ; j++ ) {
|
---|
| 1795 | stsysref[j] = doffset * tsysref[j+1] + ( 1.0 - doffset ) * tsysref[j] ;
|
---|
| 1796 | }
|
---|
| 1797 | stsysref[refchan-1] = doffset * tsysref[0] + ( 1.0 - doffset ) * tsysref[refchan-1] ;
|
---|
| 1798 | }
|
---|
| 1799 | }
|
---|
| 1800 | else {
|
---|
| 1801 | // SPECTRA and FLAGTRA
|
---|
| 1802 | for ( int j = 0 ; j < abs(ioffset) ; j++ ) {
|
---|
| 1803 | sspref[j] = spref[refchan+ioffset+j] ;
|
---|
| 1804 | sflagref[j] = flagref[refchan+ioffset+j] ;
|
---|
| 1805 | }
|
---|
| 1806 | for ( int j = abs(ioffset) ; j < refchan ; j++ ) {
|
---|
| 1807 | sspref[j] = spref[j+ioffset] ;
|
---|
| 1808 | sflagref[j] = flagref[j+ioffset] ;
|
---|
| 1809 | }
|
---|
| 1810 | spref = sspref.copy() ;
|
---|
| 1811 | flagref = sflagref.copy() ;
|
---|
| 1812 | sspref[0] = doffset * spref[refchan-1] + ( 1.0 - doffset ) * spref[0] ;
|
---|
| 1813 | sflagref[0] = flagref[0] + flagref[refchan-1] ;
|
---|
| 1814 | for ( int j = 1 ; j < refchan ; j++ ) {
|
---|
| 1815 | sspref[j] = doffset * spref[j-1] + ( 1.0 - doffset ) * spref[j] ;
|
---|
| 1816 | sflagref[j] = flagref[j-1] + flagref[j] ;
|
---|
| 1817 | }
|
---|
| 1818 | // TSYS
|
---|
| 1819 | if ( spref.nelements() == tsysref.nelements() ) {
|
---|
| 1820 | for ( int j = 0 ; j < abs(ioffset) ; j++ ) {
|
---|
| 1821 | stsysref[j] = tsysref[refchan+ioffset+j] ;
|
---|
| 1822 | }
|
---|
| 1823 | for ( int j = abs(ioffset) ; j < refchan ; j++ ) {
|
---|
| 1824 | stsysref[j] = tsysref[j+ioffset] ;
|
---|
| 1825 | }
|
---|
| 1826 | tsysref = stsysref.copy() ;
|
---|
| 1827 | stsysref[0] = doffset * tsysref[refchan-1] + ( 1.0 - doffset ) * tsysref[0] ;
|
---|
| 1828 | for ( int j = 1 ; j < refchan ; j++ ) {
|
---|
| 1829 | stsysref[j] = doffset * tsysref[j-1] + ( 1.0 - doffset ) * tsysref[j] ;
|
---|
| 1830 | }
|
---|
| 1831 | }
|
---|
| 1832 | }
|
---|
| 1833 |
|
---|
| 1834 | // shift signal spectra if necessary (only for APEX?)
|
---|
| 1835 | if ( choffset2 != 0.0 ) {
|
---|
| 1836 | int sigchan = spsig.nelements() ;
|
---|
| 1837 | Vector<Float> sspsig( spsig.nelements() ) ;
|
---|
| 1838 | Vector<Float> stsyssig( tsyssig.nelements() ) ;
|
---|
| 1839 | Vector<uChar> sflagsig( flagsig.nelements() ) ;
|
---|
| 1840 | if ( ioffset2 > 0 ) {
|
---|
| 1841 | // SPECTRA and FLAGTRA
|
---|
| 1842 | for ( int j = 0 ; j < sigchan-ioffset2 ; j++ ) {
|
---|
| 1843 | sspsig[j] = spsig[j+ioffset2] ;
|
---|
| 1844 | sflagsig[j] = flagsig[j+ioffset2] ;
|
---|
| 1845 | }
|
---|
| 1846 | for ( int j = sigchan-ioffset2 ; j < sigchan ; j++ ) {
|
---|
| 1847 | sspsig[j] = spsig[j-sigchan+ioffset2] ;
|
---|
| 1848 | sflagsig[j] = flagsig[j-sigchan+ioffset2] ;
|
---|
| 1849 | }
|
---|
| 1850 | spsig = sspsig.copy() ;
|
---|
| 1851 | flagsig = sflagsig.copy() ;
|
---|
| 1852 | for ( int j = 0 ; j < sigchan - 1 ; j++ ) {
|
---|
| 1853 | sspsig[j] = doffset2 * spsig[j+1] + ( 1.0 - doffset2 ) * spsig[j] ;
|
---|
| 1854 | sflagsig[j] = flagsig[j+1] || flagsig[j] ;
|
---|
| 1855 | }
|
---|
| 1856 | sspsig[sigchan-1] = doffset2 * spsig[0] + ( 1.0 - doffset2 ) * spsig[sigchan-1] ;
|
---|
| 1857 | sflagsig[sigchan-1] = flagsig[0] || flagsig[sigchan-1] ;
|
---|
| 1858 | // TSTS
|
---|
| 1859 | if ( spsig.nelements() == tsyssig.nelements() ) {
|
---|
| 1860 | for ( int j = 0 ; j < sigchan-ioffset2 ; j++ ) {
|
---|
| 1861 | stsyssig[j] = tsyssig[j+ioffset2] ;
|
---|
| 1862 | }
|
---|
| 1863 | for ( int j = sigchan-ioffset2 ; j < sigchan ; j++ ) {
|
---|
| 1864 | stsyssig[j] = tsyssig[j-sigchan+ioffset2] ;
|
---|
| 1865 | }
|
---|
| 1866 | tsyssig = stsyssig.copy() ;
|
---|
| 1867 | for ( int j = 0 ; j < sigchan - 1 ; j++ ) {
|
---|
| 1868 | stsyssig[j] = doffset2 * tsyssig[j+1] + ( 1.0 - doffset2 ) * tsyssig[j] ;
|
---|
| 1869 | }
|
---|
| 1870 | stsyssig[sigchan-1] = doffset2 * tsyssig[0] + ( 1.0 - doffset2 ) * tsyssig[sigchan-1] ;
|
---|
| 1871 | }
|
---|
| 1872 | }
|
---|
| 1873 | else {
|
---|
| 1874 | // SPECTRA and FLAGTRA
|
---|
| 1875 | for ( int j = 0 ; j < abs(ioffset2) ; j++ ) {
|
---|
| 1876 | sspsig[j] = spsig[sigchan+ioffset2+j] ;
|
---|
| 1877 | sflagsig[j] = flagsig[sigchan+ioffset2+j] ;
|
---|
| 1878 | }
|
---|
| 1879 | for ( int j = abs(ioffset2) ; j < sigchan ; j++ ) {
|
---|
| 1880 | sspsig[j] = spsig[j+ioffset2] ;
|
---|
| 1881 | sflagsig[j] = flagsig[j+ioffset2] ;
|
---|
| 1882 | }
|
---|
| 1883 | spsig = sspsig.copy() ;
|
---|
| 1884 | flagsig = sflagsig.copy() ;
|
---|
| 1885 | sspsig[0] = doffset2 * spsig[sigchan-1] + ( 1.0 - doffset2 ) * spsig[0] ;
|
---|
| 1886 | sflagsig[0] = flagsig[0] + flagsig[sigchan-1] ;
|
---|
| 1887 | for ( int j = 1 ; j < sigchan ; j++ ) {
|
---|
| 1888 | sspsig[j] = doffset2 * spsig[j-1] + ( 1.0 - doffset2 ) * spsig[j] ;
|
---|
| 1889 | sflagsig[j] = flagsig[j-1] + flagsig[j] ;
|
---|
| 1890 | }
|
---|
| 1891 | // TSYS
|
---|
| 1892 | if ( spsig.nelements() == tsyssig.nelements() ) {
|
---|
| 1893 | for ( int j = 0 ; j < abs(ioffset2) ; j++ ) {
|
---|
| 1894 | stsyssig[j] = tsyssig[sigchan+ioffset2+j] ;
|
---|
| 1895 | }
|
---|
| 1896 | for ( int j = abs(ioffset2) ; j < sigchan ; j++ ) {
|
---|
| 1897 | stsyssig[j] = tsyssig[j+ioffset2] ;
|
---|
| 1898 | }
|
---|
| 1899 | tsyssig = stsyssig.copy() ;
|
---|
| 1900 | stsyssig[0] = doffset2 * tsyssig[sigchan-1] + ( 1.0 - doffset2 ) * tsyssig[0] ;
|
---|
| 1901 | for ( int j = 1 ; j < sigchan ; j++ ) {
|
---|
| 1902 | stsyssig[j] = doffset2 * tsyssig[j-1] + ( 1.0 - doffset2 ) * tsyssig[j] ;
|
---|
| 1903 | }
|
---|
| 1904 | }
|
---|
| 1905 | }
|
---|
| 1906 | }
|
---|
| 1907 |
|
---|
| 1908 | // folding
|
---|
| 1909 | acc.add( spsig, !flagsig, tsyssig, intsig, timesig ) ;
|
---|
| 1910 | acc.add( sspref, !sflagref, stsysref, intref, timeref ) ;
|
---|
| 1911 |
|
---|
| 1912 | // put result
|
---|
| 1913 | specColOut.put( i, acc.getSpectrum() ) ;
|
---|
| 1914 | const Vector<Bool> &msk = acc.getMask() ;
|
---|
| 1915 | Vector<uChar> flg( msk.shape() ) ;
|
---|
| 1916 | convertArray( flg, !msk ) ;
|
---|
| 1917 | flagColOut.put( i, flg ) ;
|
---|
| 1918 | tsysColOut.put( i, acc.getTsys() ) ;
|
---|
| 1919 | intervalColOut.put( i, acc.getInterval() ) ;
|
---|
| 1920 | mjdColOut.put( i, acc.getTime() ) ;
|
---|
| 1921 | // change FREQ_ID to unshifted IF setting (only for APEX?)
|
---|
| 1922 | if ( choffset2 != 0.0 ) {
|
---|
| 1923 | uInt freqid = fidColOut( 0 ) ; // assume single-IF data
|
---|
| 1924 | double refpix, refval, increment ;
|
---|
| 1925 | out->frequencies().getEntry( refpix, refval, increment, freqid ) ;
|
---|
| 1926 | refval -= choffset * increment ;
|
---|
| 1927 | uInt newfreqid = out->frequencies().addEntry( refpix, refval, increment ) ;
|
---|
| 1928 | Vector<uInt> freqids = fidColOut.getColumn() ;
|
---|
| 1929 | for ( uInt j = 0 ; j < freqids.nelements() ; j++ ) {
|
---|
| 1930 | if ( freqids[j] == freqid )
|
---|
| 1931 | freqids[j] = newfreqid ;
|
---|
| 1932 | }
|
---|
| 1933 | fidColOut.putColumn( freqids ) ;
|
---|
| 1934 | }
|
---|
| 1935 |
|
---|
| 1936 | acc.reset() ;
|
---|
| 1937 | }
|
---|
| 1938 |
|
---|
| 1939 | return out ;
|
---|
| 1940 | }
|
---|
| 1941 |
|
---|
| 1942 |
|
---|
[805] | 1943 | CountedPtr< Scantable > STMath::freqSwitch( const CountedPtr< Scantable >& in )
|
---|
| 1944 | {
|
---|
| 1945 | // make copy or reference
|
---|
| 1946 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 1947 | Table& tout = out->table();
|
---|
[1008] | 1948 | Block<String> cols(4);
|
---|
[805] | 1949 | cols[0] = String("SCANNO");
|
---|
[1008] | 1950 | cols[1] = String("CYCLENO");
|
---|
| 1951 | cols[2] = String("BEAMNO");
|
---|
| 1952 | cols[3] = String("POLNO");
|
---|
[805] | 1953 | TableIterator iter(tout, cols);
|
---|
| 1954 | while (!iter.pastEnd()) {
|
---|
| 1955 | Table subt = iter.table();
|
---|
| 1956 | // this should leave us with two rows for the two IFs....if not ignore
|
---|
| 1957 | if (subt.nrow() != 2 ) {
|
---|
| 1958 | continue;
|
---|
[701] | 1959 | }
|
---|
[1008] | 1960 | ArrayColumn<Float> specCol(subt, "SPECTRA");
|
---|
| 1961 | ArrayColumn<Float> tsysCol(subt, "TSYS");
|
---|
| 1962 | ArrayColumn<uChar> flagCol(subt, "FLAGTRA");
|
---|
[805] | 1963 | Vector<Float> onspec,offspec, ontsys, offtsys;
|
---|
| 1964 | Vector<uChar> onflag, offflag;
|
---|
| 1965 | tsysCol.get(0, ontsys); tsysCol.get(1, offtsys);
|
---|
| 1966 | specCol.get(0, onspec); specCol.get(1, offspec);
|
---|
| 1967 | flagCol.get(0, onflag); flagCol.get(1, offflag);
|
---|
| 1968 | MaskedArray<Float> on = maskedArray(onspec, onflag);
|
---|
| 1969 | MaskedArray<Float> off = maskedArray(offspec, offflag);
|
---|
| 1970 | MaskedArray<Float> oncopy = on.copy();
|
---|
[248] | 1971 |
|
---|
[805] | 1972 | on /= off; on -= 1.0f;
|
---|
| 1973 | on *= ontsys[0];
|
---|
| 1974 | off /= oncopy; off -= 1.0f;
|
---|
| 1975 | off *= offtsys[0];
|
---|
| 1976 | specCol.put(0, on.getArray());
|
---|
| 1977 | const Vector<Bool>& m0 = on.getMask();
|
---|
| 1978 | Vector<uChar> flags0(m0.shape());
|
---|
| 1979 | convertArray(flags0, !m0);
|
---|
| 1980 | flagCol.put(0, flags0);
|
---|
[234] | 1981 |
|
---|
[805] | 1982 | specCol.put(1, off.getArray());
|
---|
| 1983 | const Vector<Bool>& m1 = off.getMask();
|
---|
| 1984 | Vector<uChar> flags1(m1.shape());
|
---|
| 1985 | convertArray(flags1, !m1);
|
---|
| 1986 | flagCol.put(1, flags1);
|
---|
[867] | 1987 | ++iter;
|
---|
[130] | 1988 | }
|
---|
[780] | 1989 |
|
---|
[805] | 1990 | return out;
|
---|
[9] | 1991 | }
|
---|
[48] | 1992 |
|
---|
[805] | 1993 | std::vector< float > STMath::statistic( const CountedPtr< Scantable > & in,
|
---|
| 1994 | const std::vector< bool > & mask,
|
---|
| 1995 | const std::string& which )
|
---|
[130] | 1996 | {
|
---|
[805] | 1997 | Vector<Bool> m(mask);
|
---|
| 1998 | const Table& tab = in->table();
|
---|
| 1999 | ROArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 2000 | ROArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
| 2001 | std::vector<float> out;
|
---|
[3010] | 2002 | for (uInt i = 0; i < tab.nrow(); ++i) {
|
---|
| 2003 | if (in->isAllChannelsFlagged(i)) {
|
---|
| 2004 | out.push_back(NAN);
|
---|
[805] | 2005 | } else {
|
---|
[3010] | 2006 | float outstat = 0.0;
|
---|
| 2007 | Vector<Float> spec; specCol.get(i, spec);
|
---|
| 2008 | Vector<uChar> flag; flagCol.get(i, flag);
|
---|
| 2009 | MaskedArray<Float> ma = maskedArray(spec, flag);
|
---|
| 2010 | if (spec.nelements() == m.nelements()) {
|
---|
| 2011 | outstat = mathutil::statistics(which, ma(m));
|
---|
| 2012 | } else {
|
---|
| 2013 | outstat = mathutil::statistics(which, ma);
|
---|
| 2014 | }
|
---|
| 2015 | out.push_back(outstat);
|
---|
[805] | 2016 | }
|
---|
[234] | 2017 | }
|
---|
[805] | 2018 | return out;
|
---|
[130] | 2019 | }
|
---|
| 2020 |
|
---|
[1907] | 2021 | std::vector< float > STMath::statisticRow( const CountedPtr< Scantable > & in,
|
---|
| 2022 | const std::vector< bool > & mask,
|
---|
| 2023 | const std::string& which,
|
---|
| 2024 | int row )
|
---|
| 2025 | {
|
---|
| 2026 |
|
---|
| 2027 | Vector<Bool> m(mask);
|
---|
| 2028 | const Table& tab = in->table();
|
---|
| 2029 | ROArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 2030 | ROArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
| 2031 | std::vector<float> out;
|
---|
| 2032 |
|
---|
| 2033 | Vector<Float> spec; specCol.get(row, spec);
|
---|
| 2034 | Vector<uChar> flag; flagCol.get(row, flag);
|
---|
| 2035 | MaskedArray<Float> ma = maskedArray(spec, flag);
|
---|
| 2036 | float outstat = 0.0;
|
---|
| 2037 | if ( spec.nelements() == m.nelements() ) {
|
---|
| 2038 | outstat = mathutil::statistics(which, ma(m));
|
---|
| 2039 | } else {
|
---|
| 2040 | outstat = mathutil::statistics(which, ma);
|
---|
| 2041 | }
|
---|
| 2042 | out.push_back(outstat);
|
---|
| 2043 |
|
---|
| 2044 | return out;
|
---|
| 2045 | }
|
---|
| 2046 |
|
---|
[1819] | 2047 | std::vector< int > STMath::minMaxChan( const CountedPtr< Scantable > & in,
|
---|
| 2048 | const std::vector< bool > & mask,
|
---|
| 2049 | const std::string& which )
|
---|
| 2050 | {
|
---|
| 2051 |
|
---|
| 2052 | Vector<Bool> m(mask);
|
---|
| 2053 | const Table& tab = in->table();
|
---|
| 2054 | ROArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 2055 | ROArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
| 2056 | std::vector<int> out;
|
---|
| 2057 | for (uInt i=0; i < tab.nrow(); ++i ) {
|
---|
[3010] | 2058 | if (in->isAllChannelsFlagged(i)) {
|
---|
| 2059 | out.push_back(NAN);
|
---|
[1819] | 2060 | } else {
|
---|
[3010] | 2061 | Vector<Float> spec; specCol.get(i, spec);
|
---|
| 2062 | Vector<uChar> flag; flagCol.get(i, flag);
|
---|
| 2063 | MaskedArray<Float> ma = maskedArray(spec, flag);
|
---|
| 2064 | if (ma.ndim() != 1) {
|
---|
| 2065 | throw (ArrayError(
|
---|
| 2066 | "std::vector<int> STMath::minMaxChan("
|
---|
| 2067 | "ContedPtr<Scantable> &in, std::vector<bool> &mask, "
|
---|
| 2068 | " std::string &which)"
|
---|
| 2069 | " - MaskedArray is not 1D"));
|
---|
| 2070 | }
|
---|
| 2071 | IPosition outpos(1,0);
|
---|
| 2072 | if ( spec.nelements() == m.nelements() ) {
|
---|
| 2073 | outpos = mathutil::minMaxPos(which, ma(m));
|
---|
| 2074 | } else {
|
---|
| 2075 | outpos = mathutil::minMaxPos(which, ma);
|
---|
| 2076 | }
|
---|
| 2077 | out.push_back(outpos[0]);
|
---|
[1819] | 2078 | }
|
---|
| 2079 | }
|
---|
| 2080 | return out;
|
---|
| 2081 | }
|
---|
| 2082 |
|
---|
[805] | 2083 | CountedPtr< Scantable > STMath::bin( const CountedPtr< Scantable > & in,
|
---|
| 2084 | int width )
|
---|
[144] | 2085 | {
|
---|
[841] | 2086 | if ( !in->getSelection().empty() ) throw(AipsError("Can't bin subset of the data."));
|
---|
[805] | 2087 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 2088 | Table& tout = out->table();
|
---|
| 2089 | out->frequencies().rescale(width, "BIN");
|
---|
| 2090 | ArrayColumn<Float> specCol(tout, "SPECTRA");
|
---|
| 2091 | ArrayColumn<uChar> flagCol(tout, "FLAGTRA");
|
---|
[2437] | 2092 | ArrayColumn<Float> tsysCol(tout, "TSYS");
|
---|
| 2093 |
|
---|
[805] | 2094 | for (uInt i=0; i < tout.nrow(); ++i ) {
|
---|
| 2095 | MaskedArray<Float> main = maskedArray(specCol(i), flagCol(i));
|
---|
| 2096 | MaskedArray<Float> maout;
|
---|
| 2097 | LatticeUtilities::bin(maout, main, 0, Int(width));
|
---|
| 2098 | specCol.put(i, maout.getArray());
|
---|
| 2099 | flagCol.put(i, flagsFromMA(maout));
|
---|
[2437] | 2100 | if (tsysCol(i).nelements() == specCol(i).nelements()) {
|
---|
| 2101 | MaskedArray<Float> matsysin = maskedArray(tsysCol(i), flagCol(i));
|
---|
| 2102 | MaskedArray<Float> matsysout;
|
---|
| 2103 | LatticeUtilities::bin(matsysout, matsysin, 0, Int(width));
|
---|
| 2104 | tsysCol.put(i, matsysout.getArray());
|
---|
| 2105 | }
|
---|
[805] | 2106 | // take only the first binned spectrum's length for the deprecated
|
---|
| 2107 | // global header item nChan
|
---|
| 2108 | if (i==0) tout.rwKeywordSet().define(String("nChan"),
|
---|
| 2109 | Int(maout.getArray().nelements()));
|
---|
[169] | 2110 | }
|
---|
[805] | 2111 | return out;
|
---|
[146] | 2112 | }
|
---|
| 2113 |
|
---|
[805] | 2114 | CountedPtr< Scantable > STMath::resample( const CountedPtr< Scantable >& in,
|
---|
| 2115 | const std::string& method,
|
---|
| 2116 | float width )
|
---|
[299] | 2117 | //
|
---|
| 2118 | // Should add the possibility of width being specified in km/s. This means
|
---|
[780] | 2119 | // that for each freqID (SpectralCoordinate) we will need to convert to an
|
---|
| 2120 | // average channel width (say at the reference pixel). Then we would need
|
---|
| 2121 | // to be careful to make sure each spectrum (of different freqID)
|
---|
[299] | 2122 | // is the same length.
|
---|
| 2123 | //
|
---|
| 2124 | {
|
---|
[996] | 2125 | //InterpolateArray1D<Double,Float>::InterpolationMethod interp;
|
---|
[805] | 2126 | Int interpMethod(stringToIMethod(method));
|
---|
[299] | 2127 |
|
---|
[805] | 2128 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 2129 | Table& tout = out->table();
|
---|
[299] | 2130 |
|
---|
| 2131 | // Resample SpectralCoordinates (one per freqID)
|
---|
[805] | 2132 | out->frequencies().rescale(width, "RESAMPLE");
|
---|
| 2133 | TableIterator iter(tout, "IFNO");
|
---|
| 2134 | TableRow row(tout);
|
---|
| 2135 | while ( !iter.pastEnd() ) {
|
---|
| 2136 | Table tab = iter.table();
|
---|
| 2137 | ArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 2138 | //ArrayColumn<Float> tsysCol(tout, "TSYS");
|
---|
| 2139 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
| 2140 | Vector<Float> spec;
|
---|
| 2141 | Vector<uChar> flag;
|
---|
| 2142 | specCol.get(0,spec); // the number of channels should be constant per IF
|
---|
| 2143 | uInt nChanIn = spec.nelements();
|
---|
| 2144 | Vector<Float> xIn(nChanIn); indgen(xIn);
|
---|
| 2145 | Int fac = Int(nChanIn/width);
|
---|
| 2146 | Vector<Float> xOut(fac+10); // 10 to be safe - resize later
|
---|
| 2147 | uInt k = 0;
|
---|
| 2148 | Float x = 0.0;
|
---|
| 2149 | while (x < Float(nChanIn) ) {
|
---|
| 2150 | xOut(k) = x;
|
---|
| 2151 | k++;
|
---|
| 2152 | x += width;
|
---|
| 2153 | }
|
---|
| 2154 | uInt nChanOut = k;
|
---|
| 2155 | xOut.resize(nChanOut, True);
|
---|
| 2156 | // process all rows for this IFNO
|
---|
| 2157 | Vector<Float> specOut;
|
---|
| 2158 | Vector<Bool> maskOut;
|
---|
| 2159 | Vector<uChar> flagOut;
|
---|
| 2160 | for (uInt i=0; i < tab.nrow(); ++i) {
|
---|
| 2161 | specCol.get(i, spec);
|
---|
| 2162 | flagCol.get(i, flag);
|
---|
| 2163 | Vector<Bool> mask(flag.nelements());
|
---|
| 2164 | convertArray(mask, flag);
|
---|
[299] | 2165 |
|
---|
[805] | 2166 | IPosition shapeIn(spec.shape());
|
---|
| 2167 | //sh.nchan = nChanOut;
|
---|
| 2168 | InterpolateArray1D<Float,Float>::interpolate(specOut, maskOut, xOut,
|
---|
| 2169 | xIn, spec, mask,
|
---|
| 2170 | interpMethod, True, True);
|
---|
| 2171 | /// @todo do the same for channel based Tsys
|
---|
| 2172 | flagOut.resize(maskOut.nelements());
|
---|
| 2173 | convertArray(flagOut, maskOut);
|
---|
| 2174 | specCol.put(i, specOut);
|
---|
| 2175 | flagCol.put(i, flagOut);
|
---|
| 2176 | }
|
---|
| 2177 | ++iter;
|
---|
[299] | 2178 | }
|
---|
| 2179 |
|
---|
[805] | 2180 | return out;
|
---|
| 2181 | }
|
---|
[299] | 2182 |
|
---|
[805] | 2183 | STMath::imethod STMath::stringToIMethod(const std::string& in)
|
---|
| 2184 | {
|
---|
| 2185 | static STMath::imap lookup;
|
---|
[299] | 2186 |
|
---|
[805] | 2187 | // initialize the lookup table if necessary
|
---|
| 2188 | if ( lookup.empty() ) {
|
---|
[926] | 2189 | lookup["nearest"] = InterpolateArray1D<Double,Float>::nearestNeighbour;
|
---|
| 2190 | lookup["linear"] = InterpolateArray1D<Double,Float>::linear;
|
---|
| 2191 | lookup["cubic"] = InterpolateArray1D<Double,Float>::cubic;
|
---|
| 2192 | lookup["spline"] = InterpolateArray1D<Double,Float>::spline;
|
---|
[299] | 2193 | }
|
---|
| 2194 |
|
---|
[805] | 2195 | STMath::imap::const_iterator iter = lookup.find(in);
|
---|
[299] | 2196 |
|
---|
[805] | 2197 | if ( lookup.end() == iter ) {
|
---|
| 2198 | std::string message = in;
|
---|
| 2199 | message += " is not a valid interpolation mode";
|
---|
| 2200 | throw(AipsError(message));
|
---|
[299] | 2201 | }
|
---|
[805] | 2202 | return iter->second;
|
---|
[299] | 2203 | }
|
---|
| 2204 |
|
---|
[805] | 2205 | WeightType STMath::stringToWeight(const std::string& in)
|
---|
[146] | 2206 | {
|
---|
[805] | 2207 | static std::map<std::string, WeightType> lookup;
|
---|
[434] | 2208 |
|
---|
[805] | 2209 | // initialize the lookup table if necessary
|
---|
| 2210 | if ( lookup.empty() ) {
|
---|
[1569] | 2211 | lookup["NONE"] = asap::W_NONE;
|
---|
| 2212 | lookup["TINT"] = asap::W_TINT;
|
---|
| 2213 | lookup["TINTSYS"] = asap::W_TINTSYS;
|
---|
| 2214 | lookup["TSYS"] = asap::W_TSYS;
|
---|
| 2215 | lookup["VAR"] = asap::W_VAR;
|
---|
[805] | 2216 | }
|
---|
[434] | 2217 |
|
---|
[805] | 2218 | std::map<std::string, WeightType>::const_iterator iter = lookup.find(in);
|
---|
[294] | 2219 |
|
---|
[805] | 2220 | if ( lookup.end() == iter ) {
|
---|
| 2221 | std::string message = in;
|
---|
| 2222 | message += " is not a valid weighting mode";
|
---|
| 2223 | throw(AipsError(message));
|
---|
| 2224 | }
|
---|
| 2225 | return iter->second;
|
---|
[146] | 2226 | }
|
---|
| 2227 |
|
---|
[805] | 2228 | CountedPtr< Scantable > STMath::gainElevation( const CountedPtr< Scantable >& in,
|
---|
[867] | 2229 | const vector< float > & coeff,
|
---|
[805] | 2230 | const std::string & filename,
|
---|
| 2231 | const std::string& method)
|
---|
[165] | 2232 | {
|
---|
[2658] | 2233 | LogIO os( LogOrigin( "STMath", "gainElevation", WHERE ) ) ;
|
---|
[805] | 2234 | // Get elevation data from Scantable and convert to degrees
|
---|
| 2235 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
[926] | 2236 | Table& tab = out->table();
|
---|
[805] | 2237 | ROScalarColumn<Float> elev(tab, "ELEVATION");
|
---|
| 2238 | Vector<Float> x = elev.getColumn();
|
---|
| 2239 | x *= Float(180 / C::pi); // Degrees
|
---|
[165] | 2240 |
|
---|
[867] | 2241 | Vector<Float> coeffs(coeff);
|
---|
[805] | 2242 | const uInt nc = coeffs.nelements();
|
---|
| 2243 | if ( filename.length() > 0 && nc > 0 ) {
|
---|
| 2244 | throw(AipsError("You must choose either polynomial coefficients or an ascii file, not both"));
|
---|
[315] | 2245 | }
|
---|
[165] | 2246 |
|
---|
[805] | 2247 | // Correct
|
---|
| 2248 | if ( nc > 0 || filename.length() == 0 ) {
|
---|
| 2249 | // Find instrument
|
---|
| 2250 | Bool throwit = True;
|
---|
| 2251 | Instrument inst =
|
---|
[878] | 2252 | STAttr::convertInstrument(tab.keywordSet().asString("AntennaName"),
|
---|
[805] | 2253 | throwit);
|
---|
[165] | 2254 |
|
---|
[805] | 2255 | // Set polynomial
|
---|
| 2256 | Polynomial<Float>* ppoly = 0;
|
---|
| 2257 | Vector<Float> coeff;
|
---|
| 2258 | String msg;
|
---|
| 2259 | if ( nc > 0 ) {
|
---|
[1618] | 2260 | ppoly = new Polynomial<Float>(nc-1);
|
---|
[805] | 2261 | coeff = coeffs;
|
---|
| 2262 | msg = String("user");
|
---|
| 2263 | } else {
|
---|
[878] | 2264 | STAttr sdAttr;
|
---|
[805] | 2265 | coeff = sdAttr.gainElevationPoly(inst);
|
---|
[1618] | 2266 | ppoly = new Polynomial<Float>(coeff.nelements()-1);
|
---|
[805] | 2267 | msg = String("built in");
|
---|
| 2268 | }
|
---|
[532] | 2269 |
|
---|
[805] | 2270 | if ( coeff.nelements() > 0 ) {
|
---|
| 2271 | ppoly->setCoefficients(coeff);
|
---|
| 2272 | } else {
|
---|
| 2273 | delete ppoly;
|
---|
| 2274 | throw(AipsError("There is no known gain-elevation polynomial known for this instrument"));
|
---|
| 2275 | }
|
---|
[2658] | 2276 | os << "Making polynomial correction with " << msg << " coefficients:" << endl;
|
---|
| 2277 | os << " " << coeff << LogIO::POST;
|
---|
[805] | 2278 | const uInt nrow = tab.nrow();
|
---|
| 2279 | Vector<Float> factor(nrow);
|
---|
| 2280 | for ( uInt i=0; i < nrow; ++i ) {
|
---|
| 2281 | factor[i] = 1.0 / (*ppoly)(x[i]);
|
---|
| 2282 | }
|
---|
| 2283 | delete ppoly;
|
---|
| 2284 | scaleByVector(tab, factor, true);
|
---|
[532] | 2285 |
|
---|
[805] | 2286 | } else {
|
---|
| 2287 | // Read and correct
|
---|
[2658] | 2288 | os << "Making correction from ascii Table" << LogIO::POST;
|
---|
[805] | 2289 | scaleFromAsciiTable(tab, filename, method, x, true);
|
---|
[532] | 2290 | }
|
---|
[805] | 2291 | return out;
|
---|
| 2292 | }
|
---|
[165] | 2293 |
|
---|
[805] | 2294 | void STMath::scaleFromAsciiTable(Table& in, const std::string& filename,
|
---|
| 2295 | const std::string& method,
|
---|
| 2296 | const Vector<Float>& xout, bool dotsys)
|
---|
| 2297 | {
|
---|
[165] | 2298 |
|
---|
[805] | 2299 | // Read gain-elevation ascii file data into a Table.
|
---|
[165] | 2300 |
|
---|
[805] | 2301 | String formatString;
|
---|
| 2302 | Table tbl = readAsciiTable(formatString, Table::Memory, filename, "", "", False);
|
---|
| 2303 | scaleFromTable(in, tbl, method, xout, dotsys);
|
---|
| 2304 | }
|
---|
[165] | 2305 |
|
---|
[805] | 2306 | void STMath::scaleFromTable(Table& in,
|
---|
| 2307 | const Table& table,
|
---|
| 2308 | const std::string& method,
|
---|
| 2309 | const Vector<Float>& xout, bool dotsys)
|
---|
| 2310 | {
|
---|
[780] | 2311 |
|
---|
[805] | 2312 | ROScalarColumn<Float> geElCol(table, "ELEVATION");
|
---|
| 2313 | ROScalarColumn<Float> geFacCol(table, "FACTOR");
|
---|
| 2314 | Vector<Float> xin = geElCol.getColumn();
|
---|
| 2315 | Vector<Float> yin = geFacCol.getColumn();
|
---|
| 2316 | Vector<Bool> maskin(xin.nelements(),True);
|
---|
[165] | 2317 |
|
---|
[805] | 2318 | // Interpolate (and extrapolate) with desired method
|
---|
[532] | 2319 |
|
---|
[996] | 2320 | InterpolateArray1D<Double,Float>::InterpolationMethod interp = stringToIMethod(method);
|
---|
[165] | 2321 |
|
---|
[805] | 2322 | Vector<Float> yout;
|
---|
| 2323 | Vector<Bool> maskout;
|
---|
| 2324 | InterpolateArray1D<Float,Float>::interpolate(yout, maskout, xout,
|
---|
[996] | 2325 | xin, yin, maskin, interp,
|
---|
[805] | 2326 | True, True);
|
---|
[165] | 2327 |
|
---|
[805] | 2328 | scaleByVector(in, Float(1.0)/yout, dotsys);
|
---|
[165] | 2329 | }
|
---|
[167] | 2330 |
|
---|
[805] | 2331 | void STMath::scaleByVector( Table& in,
|
---|
| 2332 | const Vector< Float >& factor,
|
---|
| 2333 | bool dotsys )
|
---|
[177] | 2334 | {
|
---|
[805] | 2335 | uInt nrow = in.nrow();
|
---|
| 2336 | if ( factor.nelements() != nrow ) {
|
---|
| 2337 | throw(AipsError("factors.nelements() != table.nelements()"));
|
---|
| 2338 | }
|
---|
| 2339 | ArrayColumn<Float> specCol(in, "SPECTRA");
|
---|
| 2340 | ArrayColumn<uChar> flagCol(in, "FLAGTRA");
|
---|
| 2341 | ArrayColumn<Float> tsysCol(in, "TSYS");
|
---|
| 2342 | for (uInt i=0; i < nrow; ++i) {
|
---|
| 2343 | MaskedArray<Float> ma = maskedArray(specCol(i), flagCol(i));
|
---|
| 2344 | ma *= factor[i];
|
---|
| 2345 | specCol.put(i, ma.getArray());
|
---|
| 2346 | flagCol.put(i, flagsFromMA(ma));
|
---|
| 2347 | if ( dotsys ) {
|
---|
[926] | 2348 | Vector<Float> tsys = tsysCol(i);
|
---|
[805] | 2349 | tsys *= factor[i];
|
---|
[926] | 2350 | tsysCol.put(i,tsys);
|
---|
[805] | 2351 | }
|
---|
| 2352 | }
|
---|
[177] | 2353 | }
|
---|
| 2354 |
|
---|
[805] | 2355 | CountedPtr< Scantable > STMath::convertFlux( const CountedPtr< Scantable >& in,
|
---|
| 2356 | float d, float etaap,
|
---|
| 2357 | float jyperk )
|
---|
[221] | 2358 | {
|
---|
[2658] | 2359 | LogIO os( LogOrigin( "STMath", "convertFlux", WHERE ) ) ;
|
---|
| 2360 |
|
---|
[805] | 2361 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 2362 | Table& tab = in->table();
|
---|
[2474] | 2363 | Table& outtab = out->table();
|
---|
[805] | 2364 | Unit fluxUnit(tab.keywordSet().asString("FluxUnit"));
|
---|
[221] | 2365 | Unit K(String("K"));
|
---|
| 2366 | Unit JY(String("Jy"));
|
---|
[701] | 2367 |
|
---|
[805] | 2368 | bool tokelvin = true;
|
---|
| 2369 | Double cfac = 1.0;
|
---|
[716] | 2370 |
|
---|
[805] | 2371 | if ( fluxUnit == JY ) {
|
---|
[2658] | 2372 | os << "Converting to K" << LogIO::POST;
|
---|
[701] | 2373 | Quantum<Double> t(1.0,fluxUnit);
|
---|
| 2374 | Quantum<Double> t2 = t.get(JY);
|
---|
[805] | 2375 | cfac = (t2 / t).getValue(); // value to Jy
|
---|
[780] | 2376 |
|
---|
[805] | 2377 | tokelvin = true;
|
---|
| 2378 | out->setFluxUnit("K");
|
---|
| 2379 | } else if ( fluxUnit == K ) {
|
---|
[2658] | 2380 | os << "Converting to Jy" << LogIO::POST;
|
---|
[701] | 2381 | Quantum<Double> t(1.0,fluxUnit);
|
---|
| 2382 | Quantum<Double> t2 = t.get(K);
|
---|
[805] | 2383 | cfac = (t2 / t).getValue(); // value to K
|
---|
[780] | 2384 |
|
---|
[805] | 2385 | tokelvin = false;
|
---|
| 2386 | out->setFluxUnit("Jy");
|
---|
[221] | 2387 | } else {
|
---|
[701] | 2388 | throw(AipsError("Unrecognized brightness units in Table - must be consistent with Jy or K"));
|
---|
[221] | 2389 | }
|
---|
[701] | 2390 | // Make sure input values are converted to either Jy or K first...
|
---|
[805] | 2391 | Float factor = cfac;
|
---|
[221] | 2392 |
|
---|
[701] | 2393 | // Select method
|
---|
[805] | 2394 | if (jyperk > 0.0) {
|
---|
| 2395 | factor *= jyperk;
|
---|
| 2396 | if ( tokelvin ) factor = 1.0 / jyperk;
|
---|
[2658] | 2397 | os << "Jy/K = " << jyperk << LogIO::POST;
|
---|
[2474] | 2398 | Vector<Float> factors(outtab.nrow(), factor);
|
---|
| 2399 | scaleByVector(outtab,factors, false);
|
---|
[805] | 2400 | } else if ( etaap > 0.0) {
|
---|
[1319] | 2401 | if (d < 0) {
|
---|
| 2402 | Instrument inst =
|
---|
[1570] | 2403 | STAttr::convertInstrument(tab.keywordSet().asString("AntennaName"),
|
---|
[1319] | 2404 | True);
|
---|
| 2405 | STAttr sda;
|
---|
| 2406 | d = sda.diameter(inst);
|
---|
| 2407 | }
|
---|
[996] | 2408 | jyperk = STAttr::findJyPerK(etaap, d);
|
---|
[2658] | 2409 | os << "Jy/K = " << jyperk << LogIO::POST;
|
---|
[805] | 2410 | factor *= jyperk;
|
---|
| 2411 | if ( tokelvin ) {
|
---|
[701] | 2412 | factor = 1.0 / factor;
|
---|
| 2413 | }
|
---|
[2474] | 2414 | Vector<Float> factors(outtab.nrow(), factor);
|
---|
| 2415 | scaleByVector(outtab, factors, False);
|
---|
[354] | 2416 | } else {
|
---|
[780] | 2417 |
|
---|
[701] | 2418 | // OK now we must deal with automatic look up of values.
|
---|
| 2419 | // We must also deal with the fact that the factors need
|
---|
| 2420 | // to be computed per IF and may be different and may
|
---|
| 2421 | // change per integration.
|
---|
[780] | 2422 |
|
---|
[2658] | 2423 | os <<"Looking up conversion factors" << LogIO::POST;
|
---|
[805] | 2424 | convertBrightnessUnits(out, tokelvin, cfac);
|
---|
[701] | 2425 | }
|
---|
[805] | 2426 |
|
---|
| 2427 | return out;
|
---|
[221] | 2428 | }
|
---|
| 2429 |
|
---|
[805] | 2430 | void STMath::convertBrightnessUnits( CountedPtr<Scantable>& in,
|
---|
| 2431 | bool tokelvin, float cfac )
|
---|
[227] | 2432 | {
|
---|
[805] | 2433 | Table& table = in->table();
|
---|
| 2434 | Instrument inst =
|
---|
[878] | 2435 | STAttr::convertInstrument(table.keywordSet().asString("AntennaName"), True);
|
---|
[805] | 2436 | TableIterator iter(table, "FREQ_ID");
|
---|
| 2437 | STFrequencies stfreqs = in->frequencies();
|
---|
[878] | 2438 | STAttr sdAtt;
|
---|
[805] | 2439 | while (!iter.pastEnd()) {
|
---|
| 2440 | Table tab = iter.table();
|
---|
| 2441 | ArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 2442 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
| 2443 | ROScalarColumn<uInt> freqidCol(tab, "FREQ_ID");
|
---|
| 2444 | MEpoch::ROScalarColumn timeCol(tab, "TIME");
|
---|
[234] | 2445 |
|
---|
[805] | 2446 | uInt freqid; freqidCol.get(0, freqid);
|
---|
| 2447 | Vector<Float> tmpspec; specCol.get(0, tmpspec);
|
---|
[878] | 2448 | // STAttr.JyPerK has a Vector interface... change sometime.
|
---|
[805] | 2449 | Vector<Float> freqs(1,stfreqs.getRefFreq(freqid, tmpspec.nelements()));
|
---|
| 2450 | for ( uInt i=0; i<tab.nrow(); ++i) {
|
---|
| 2451 | Float jyperk = (sdAtt.JyPerK(inst, timeCol(i), freqs))[0];
|
---|
| 2452 | Float factor = cfac * jyperk;
|
---|
| 2453 | if ( tokelvin ) factor = Float(1.0) / factor;
|
---|
| 2454 | MaskedArray<Float> ma = maskedArray(specCol(i), flagCol(i));
|
---|
| 2455 | ma *= factor;
|
---|
| 2456 | specCol.put(i, ma.getArray());
|
---|
| 2457 | flagCol.put(i, flagsFromMA(ma));
|
---|
| 2458 | }
|
---|
[867] | 2459 | ++iter;
|
---|
[234] | 2460 | }
|
---|
[230] | 2461 | }
|
---|
[227] | 2462 |
|
---|
[805] | 2463 | CountedPtr< Scantable > STMath::opacity( const CountedPtr< Scantable > & in,
|
---|
[1689] | 2464 | const std::vector<float>& tau )
|
---|
[234] | 2465 | {
|
---|
[805] | 2466 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
[926] | 2467 |
|
---|
[1689] | 2468 | Table outtab = out->table();
|
---|
| 2469 |
|
---|
[2125] | 2470 | const Int ntau = uInt(tau.size());
|
---|
[1689] | 2471 | std::vector<float>::const_iterator tauit = tau.begin();
|
---|
| 2472 | AlwaysAssert((ntau == 1 || ntau == in->nif() || ntau == in->nif() * in->npol()),
|
---|
| 2473 | AipsError);
|
---|
| 2474 | TableIterator iiter(outtab, "IFNO");
|
---|
| 2475 | while ( !iiter.pastEnd() ) {
|
---|
| 2476 | Table itab = iiter.table();
|
---|
[2278] | 2477 | TableIterator piter(itab, "POLNO");
|
---|
[1689] | 2478 | while ( !piter.pastEnd() ) {
|
---|
| 2479 | Table tab = piter.table();
|
---|
| 2480 | ROScalarColumn<Float> elev(tab, "ELEVATION");
|
---|
| 2481 | ArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 2482 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
| 2483 | ArrayColumn<Float> tsysCol(tab, "TSYS");
|
---|
| 2484 | for ( uInt i=0; i<tab.nrow(); ++i) {
|
---|
| 2485 | Float zdist = Float(C::pi_2) - elev(i);
|
---|
| 2486 | Float factor = exp(*tauit/cos(zdist));
|
---|
| 2487 | MaskedArray<Float> ma = maskedArray(specCol(i), flagCol(i));
|
---|
| 2488 | ma *= factor;
|
---|
| 2489 | specCol.put(i, ma.getArray());
|
---|
| 2490 | flagCol.put(i, flagsFromMA(ma));
|
---|
| 2491 | Vector<Float> tsys;
|
---|
| 2492 | tsysCol.get(i, tsys);
|
---|
| 2493 | tsys *= factor;
|
---|
| 2494 | tsysCol.put(i, tsys);
|
---|
| 2495 | }
|
---|
| 2496 | if (ntau == in->nif()*in->npol() ) {
|
---|
| 2497 | tauit++;
|
---|
| 2498 | }
|
---|
| 2499 | piter++;
|
---|
| 2500 | }
|
---|
| 2501 | if (ntau >= in->nif() ) {
|
---|
| 2502 | tauit++;
|
---|
| 2503 | }
|
---|
| 2504 | iiter++;
|
---|
[234] | 2505 | }
|
---|
[805] | 2506 | return out;
|
---|
[234] | 2507 | }
|
---|
| 2508 |
|
---|
[1373] | 2509 | CountedPtr< Scantable > STMath::smoothOther( const CountedPtr< Scantable >& in,
|
---|
| 2510 | const std::string& kernel,
|
---|
[1570] | 2511 | float width, int order)
|
---|
[1373] | 2512 | {
|
---|
| 2513 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
[2125] | 2514 | Table table = out->table();
|
---|
| 2515 |
|
---|
| 2516 | TableIterator iter(table, "IFNO");
|
---|
| 2517 | while (!iter.pastEnd()) {
|
---|
| 2518 | Table tab = iter.table();
|
---|
| 2519 | ArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 2520 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
[2950] | 2521 | ScalarColumn<uInt> flagrowCol(tab, "FLAGROW");
|
---|
[2125] | 2522 | Vector<Float> spec;
|
---|
| 2523 | Vector<uChar> flag;
|
---|
[2950] | 2524 | Vector<uInt> flagrow = flagrowCol.getColumn();
|
---|
[2125] | 2525 | for (uInt i = 0; i < tab.nrow(); ++i) {
|
---|
[2950] | 2526 | if (flagrow[i] != 0) {
|
---|
| 2527 | // do not process flagged row
|
---|
| 2528 | continue;
|
---|
| 2529 | }
|
---|
[2125] | 2530 | specCol.get(i, spec);
|
---|
| 2531 | flagCol.get(i, flag);
|
---|
| 2532 | Vector<Bool> mask(flag.nelements());
|
---|
| 2533 | convertArray(mask, flag);
|
---|
| 2534 | Vector<Float> specout;
|
---|
| 2535 | Vector<Bool> maskout;
|
---|
| 2536 | if (kernel == "hanning") {
|
---|
| 2537 | mathutil::hanning(specout, maskout, spec, !mask);
|
---|
| 2538 | } else if (kernel == "rmedian") {
|
---|
| 2539 | mathutil::runningMedian(specout, maskout, spec , mask, width);
|
---|
| 2540 | } else if (kernel == "poly") {
|
---|
| 2541 | mathutil::polyfit(specout, maskout, spec, !mask, width, order);
|
---|
| 2542 | }
|
---|
| 2543 |
|
---|
| 2544 | for (uInt j = 0; j < flag.nelements(); ++j) {
|
---|
| 2545 | uChar userFlag = 1 << 7;
|
---|
| 2546 | if (maskout[j]==True) userFlag = 0 << 7;
|
---|
| 2547 | flag(j) = userFlag;
|
---|
| 2548 | }
|
---|
| 2549 |
|
---|
| 2550 | flagCol.put(i, flag);
|
---|
| 2551 | specCol.put(i, specout);
|
---|
[1373] | 2552 | }
|
---|
[2125] | 2553 | ++iter;
|
---|
[1373] | 2554 | }
|
---|
| 2555 | return out;
|
---|
| 2556 | }
|
---|
| 2557 |
|
---|
[805] | 2558 | CountedPtr< Scantable > STMath::smooth( const CountedPtr< Scantable >& in,
|
---|
[1571] | 2559 | const std::string& kernel, float width,
|
---|
| 2560 | int order)
|
---|
[457] | 2561 | {
|
---|
[1571] | 2562 | if (kernel == "rmedian" || kernel == "hanning" || kernel == "poly") {
|
---|
| 2563 | return smoothOther(in, kernel, width, order);
|
---|
[1373] | 2564 | }
|
---|
[805] | 2565 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
[1033] | 2566 | Table& table = out->table();
|
---|
[805] | 2567 | VectorKernel::KernelTypes type = VectorKernel::toKernelType(kernel);
|
---|
| 2568 | // same IFNO should have same no of channels
|
---|
| 2569 | // this saves overhead
|
---|
| 2570 | TableIterator iter(table, "IFNO");
|
---|
| 2571 | while (!iter.pastEnd()) {
|
---|
| 2572 | Table tab = iter.table();
|
---|
| 2573 | ArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 2574 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
[2950] | 2575 | ScalarColumn<uInt> flagrowCol(tab, "FLAGROW");
|
---|
[2643] | 2576 | Vector<Float> spec = specCol( 0 );
|
---|
| 2577 | uInt nchan = spec.nelements();
|
---|
[805] | 2578 | Vector<Float> kvec = VectorKernel::make(type, width, nchan, True, False);
|
---|
| 2579 | Convolver<Float> conv(kvec, IPosition(1,nchan));
|
---|
| 2580 | Vector<uChar> flag;
|
---|
[2643] | 2581 | Vector<Bool> mask(nchan);
|
---|
[2950] | 2582 | Vector<uInt> flagrow = flagrowCol.getColumn();
|
---|
[805] | 2583 | for ( uInt i=0; i<tab.nrow(); ++i) {
|
---|
[2950] | 2584 | if (flagrow[i] != 0) {
|
---|
| 2585 | // do not process flagged row
|
---|
| 2586 | continue;
|
---|
| 2587 | }
|
---|
| 2588 |
|
---|
[805] | 2589 | specCol.get(i, spec);
|
---|
| 2590 | flagCol.get(i, flag);
|
---|
| 2591 | convertArray(mask, flag);
|
---|
| 2592 | Vector<Float> specout;
|
---|
[2879] | 2593 | //mathutil::replaceMaskByZero(specout, mask);
|
---|
| 2594 | mathutil::replaceMaskByZero(spec, !mask);
|
---|
| 2595 | //std::vector<bool> vmask;
|
---|
| 2596 | //(!mask).tovector(vmask);
|
---|
| 2597 | //mathutil::doZeroOrderInterpolation(spec, vmask);
|
---|
[1373] | 2598 | conv.linearConv(specout, spec);
|
---|
| 2599 | specCol.put(i, specout);
|
---|
[805] | 2600 | }
|
---|
[867] | 2601 | ++iter;
|
---|
[701] | 2602 | }
|
---|
[805] | 2603 | return out;
|
---|
[701] | 2604 | }
|
---|
[841] | 2605 |
|
---|
| 2606 | CountedPtr< Scantable >
|
---|
[2900] | 2607 | STMath::merge( const std::vector< CountedPtr < Scantable > >& in,
|
---|
| 2608 | const std::string &freqTol )
|
---|
[841] | 2609 | {
|
---|
[2903] | 2610 | Double freqTolInHz = 0.0; // default is 0.0Hz (merge only when exact match)
|
---|
[2899] | 2611 | if (freqTol.size() > 0) {
|
---|
| 2612 | Quantum<Double> freqTolInQuantity;
|
---|
| 2613 | if (!Quantum<Double>::read(freqTolInQuantity, freqTol)) {
|
---|
| 2614 | throw(AipsError("Failed to convert freqTol string to quantity"));
|
---|
| 2615 | }
|
---|
| 2616 | if (!freqTolInQuantity.isConform("Hz")) {
|
---|
| 2617 | throw(AipsError("Invalid freqTol string"));
|
---|
| 2618 | }
|
---|
| 2619 | freqTolInHz = freqTolInQuantity.getValue("Hz");
|
---|
[2904] | 2620 | LogIO os(LogOrigin("STMath", "merge", WHERE));
|
---|
| 2621 | os << "frequency tolerance = " << freqTolInHz << "Hz" << LogIO::POST;
|
---|
[2899] | 2622 | }
|
---|
| 2623 |
|
---|
[841] | 2624 | if ( in.size() < 2 ) {
|
---|
[862] | 2625 | throw(AipsError("Need at least two scantables to perform a merge."));
|
---|
[841] | 2626 | }
|
---|
| 2627 | std::vector<CountedPtr < Scantable > >::const_iterator it = in.begin();
|
---|
| 2628 | bool insitu = insitu_;
|
---|
| 2629 | setInsitu(false);
|
---|
[862] | 2630 | CountedPtr< Scantable > out = getScantable(*it, false);
|
---|
[841] | 2631 | setInsitu(insitu);
|
---|
| 2632 | Table& tout = out->table();
|
---|
| 2633 | ScalarColumn<uInt> freqidcol(tout,"FREQ_ID"), molidcol(tout, "MOLECULE_ID");
|
---|
[917] | 2634 | ScalarColumn<uInt> scannocol(tout,"SCANNO"), focusidcol(tout,"FOCUS_ID");
|
---|
[2899] | 2635 | ScalarColumn<uInt> ifnocol(tout, "IFNO");
|
---|
[917] | 2636 | // Renumber SCANNO to be 0-based
|
---|
[926] | 2637 | Vector<uInt> scannos = scannocol.getColumn();
|
---|
| 2638 | uInt offset = min(scannos);
|
---|
[917] | 2639 | scannos -= offset;
|
---|
[926] | 2640 | scannocol.putColumn(scannos);
|
---|
| 2641 | uInt newscanno = max(scannos)+1;
|
---|
[862] | 2642 | ++it;
|
---|
[2900] | 2643 |
|
---|
| 2644 | // new IFNO
|
---|
| 2645 | uInt ifnoCounter = max(ifnocol.getColumn()) + 1;
|
---|
| 2646 |
|
---|
[2905] | 2647 | // Here we assume that each IFNO has unique MOLECULE_ID
|
---|
| 2648 | // molIdMap:
|
---|
| 2649 | // KEY: IFNO
|
---|
| 2650 | // VALUE: MOLECULE_ID
|
---|
| 2651 | map<uInt, uInt> molIdMap;
|
---|
| 2652 | {
|
---|
| 2653 | TableIterator ifit(tout, "IFNO");
|
---|
| 2654 | while (!ifit.pastEnd()) {
|
---|
| 2655 | ROTableRow row(ifit.table());
|
---|
| 2656 | const TableRecord& rec = row.get(0);
|
---|
| 2657 | molIdMap[rec.asuInt("IFNO")] = rec.asuInt("MOLECULE_ID");
|
---|
| 2658 | ifit.next();
|
---|
| 2659 | }
|
---|
| 2660 | }
|
---|
| 2661 |
|
---|
[841] | 2662 | while ( it != in.end() ){
|
---|
[2899] | 2663 | // Check FREQUENCIES/BASEFRAME
|
---|
| 2664 | if ( out->frequencies().getFrame(true) != (*it)->frequencies().getFrame(true) ) {
|
---|
| 2665 | throw(AipsError("BASEFRAME is not identical"));
|
---|
| 2666 | }
|
---|
| 2667 |
|
---|
[841] | 2668 | if ( ! (*it)->conformant(*out) ) {
|
---|
[1439] | 2669 | // non conformant.
|
---|
[1819] | 2670 | LogIO os( LogOrigin( "STMath", "merge()", WHERE ) ) ;
|
---|
| 2671 | os << LogIO::SEVERE << "Can't merge scantables as header informations (any one of AntennaName, Equinox, and FluxUnit) differ." << LogIO::EXCEPTION ;
|
---|
[841] | 2672 | }
|
---|
[862] | 2673 | out->appendToHistoryTable((*it)->history());
|
---|
[841] | 2674 | const Table& tab = (*it)->table();
|
---|
[2289] | 2675 |
|
---|
| 2676 | Block<String> cols(3);
|
---|
| 2677 | cols[0] = String("FREQ_ID");
|
---|
| 2678 | cols[1] = String("MOLECULE_ID");
|
---|
| 2679 | cols[2] = String("FOCUS_ID");
|
---|
[2905] | 2680 |
|
---|
[841] | 2681 | TableIterator scanit(tab, "SCANNO");
|
---|
| 2682 | while (!scanit.pastEnd()) {
|
---|
[2289] | 2683 | TableIterator subit(scanit.table(), cols);
|
---|
| 2684 | while ( !subit.pastEnd() ) {
|
---|
[841] | 2685 | uInt nrow = tout.nrow();
|
---|
[2289] | 2686 | Table thetab = subit.table();
|
---|
| 2687 | ROTableRow row(thetab);
|
---|
| 2688 | Vector<uInt> thecolvals(thetab.nrow());
|
---|
| 2689 | // The selected subset of table should have
|
---|
| 2690 | // the equal FREQ_ID, MOLECULE_ID, and FOCUS_ID values.
|
---|
| 2691 | const TableRecord& rec = row.get(0);
|
---|
[2899] | 2692 |
|
---|
[2289] | 2693 | // Set the proper FREQ_ID
|
---|
| 2694 | Double rv,rp,inc;
|
---|
| 2695 | (*it)->frequencies().getEntry(rp, rv, inc, rec.asuInt("FREQ_ID"));
|
---|
| 2696 | uInt id;
|
---|
[2900] | 2697 |
|
---|
| 2698 | // default value is new unique IFNO
|
---|
| 2699 | uInt newifno = ifnoCounter;
|
---|
[2905] | 2700 | Bool isIfMerged = False;
|
---|
[2900] | 2701 | uInt nchan = rec.asArrayFloat("SPECTRA").shape()[0];
|
---|
| 2702 | //id = out->frequencies().addEntry(rp, rv, inc);
|
---|
| 2703 | if ( !out->frequencies().match(rp, rv, inc, freqTolInHz, id) ) {
|
---|
| 2704 | // add new entry to FREQUENCIES table
|
---|
| 2705 | id = out->frequencies().addEntry(rp, rv, inc);
|
---|
| 2706 |
|
---|
| 2707 | // increment counter for IFNO
|
---|
| 2708 | ifnoCounter++;
|
---|
| 2709 | }
|
---|
| 2710 | else {
|
---|
| 2711 | // should renumber IFNO to be same as existing rows that have same FREQ_ID
|
---|
| 2712 | LogIO os(LogOrigin("STMath", "merge", WHERE));
|
---|
| 2713 | Table outFreqIdSelected = tout(tout.col("FREQ_ID") == id);
|
---|
| 2714 | TableIterator _iter(outFreqIdSelected, "IFNO");
|
---|
| 2715 | map<uInt, uInt> nchanMap;
|
---|
| 2716 | while (!_iter.pastEnd()) {
|
---|
| 2717 | const Table _table = _iter.table();
|
---|
| 2718 | ROTableRow _row(_table);
|
---|
| 2719 | const TableRecord &_rec = _row.get(0);
|
---|
| 2720 | uInt nchan = _rec.asArrayFloat("SPECTRA").shape()[0];
|
---|
| 2721 | if (nchanMap.find(nchan) != nchanMap.end()) {
|
---|
| 2722 | throw(AipsError("There are non-unique IFNOs assigned to spectra that have same FREQ_ID and same nchan. Something wrong."));
|
---|
| 2723 | }
|
---|
| 2724 | nchanMap[nchan] = _rec.asuInt("IFNO");
|
---|
| 2725 | _iter.next();
|
---|
| 2726 | }
|
---|
| 2727 |
|
---|
| 2728 | os << LogIO::DEBUGGING << "nchanMap for " << id << ":" << LogIO::POST;
|
---|
| 2729 | for (map<uInt, uInt>::iterator i = nchanMap.begin(); i != nchanMap.end(); ++i) {
|
---|
| 2730 | os << LogIO::DEBUGGING << "nchanMap[" << i->first << "] = " << i->second << LogIO::POST;
|
---|
| 2731 | }
|
---|
| 2732 |
|
---|
| 2733 | if (nchanMap.find(nchan) == nchanMap.end()) {
|
---|
| 2734 | // increment counter for IFNO
|
---|
| 2735 | ifnoCounter++;
|
---|
| 2736 | }
|
---|
| 2737 | else {
|
---|
| 2738 | // renumber IFNO to be same as existing value that corresponds to nchan
|
---|
| 2739 | newifno = nchanMap[nchan];
|
---|
[2905] | 2740 | isIfMerged = True;
|
---|
[2900] | 2741 | }
|
---|
| 2742 | os << LogIO::DEBUGGING << "newifno = " << newifno << LogIO::POST;
|
---|
| 2743 | }
|
---|
[2934] | 2744 | // copy rows to output table
|
---|
| 2745 | tout.addRow(thetab.nrow());
|
---|
| 2746 | TableCopy::copyRows(tout, thetab, nrow, 0, thetab.nrow());
|
---|
| 2747 |
|
---|
| 2748 | Slicer slice(IPosition(1, nrow), IPosition(1, thetab.nrow()),
|
---|
| 2749 | Slicer::endIsLength);
|
---|
| 2750 |
|
---|
[2289] | 2751 | thecolvals = id;
|
---|
[2899] | 2752 | freqidcol.putColumnRange(slice, thecolvals);
|
---|
[2900] | 2753 |
|
---|
| 2754 | thecolvals = newifno;
|
---|
| 2755 | ifnocol.putColumnRange(slice, thecolvals);
|
---|
[2899] | 2756 |
|
---|
[2289] | 2757 | // Set the proper MOLECULE_ID
|
---|
| 2758 | Vector<String> name,fname;Vector<Double> rf;
|
---|
| 2759 | (*it)->molecules().getEntry(rf, name, fname, rec.asuInt("MOLECULE_ID"));
|
---|
| 2760 | id = out->molecules().addEntry(rf, name, fname);
|
---|
[2905] | 2761 | if (molIdMap.find(newifno) == molIdMap.end()) {
|
---|
| 2762 | // add new entry to molIdMap
|
---|
| 2763 | molIdMap[newifno] = id;
|
---|
| 2764 | }
|
---|
| 2765 | if (isIfMerged) {
|
---|
| 2766 | id = molIdMap[newifno];
|
---|
| 2767 | }
|
---|
[2289] | 2768 | thecolvals = id;
|
---|
[2899] | 2769 | molidcol.putColumnRange(slice, thecolvals);
|
---|
| 2770 |
|
---|
[2289] | 2771 | // Set the proper FOCUS_ID
|
---|
| 2772 | Float fpa,frot,fax,ftan,fhand,fmount,fuser, fxy, fxyp;
|
---|
| 2773 | (*it)->focus().getEntry(fpa, fax, ftan, frot, fhand, fmount,fuser,
|
---|
| 2774 | fxy, fxyp, rec.asuInt("FOCUS_ID"));
|
---|
| 2775 | id = out->focus().addEntry(fpa, fax, ftan, frot, fhand, fmount,fuser,
|
---|
| 2776 | fxy, fxyp);
|
---|
| 2777 | thecolvals = id;
|
---|
[2899] | 2778 | focusidcol.putColumnRange(slice, thecolvals);
|
---|
[2289] | 2779 |
|
---|
[2899] | 2780 | // Set the proper SCANNO
|
---|
| 2781 | thecolvals = newscanno;
|
---|
| 2782 | scannocol.putColumnRange(slice, thecolvals);
|
---|
[2289] | 2783 |
|
---|
| 2784 | ++subit;
|
---|
[841] | 2785 | }
|
---|
| 2786 | ++newscanno;
|
---|
| 2787 | ++scanit;
|
---|
| 2788 | }
|
---|
| 2789 | ++it;
|
---|
| 2790 | }
|
---|
| 2791 | return out;
|
---|
| 2792 | }
|
---|
[896] | 2793 |
|
---|
| 2794 | CountedPtr< Scantable >
|
---|
| 2795 | STMath::invertPhase( const CountedPtr < Scantable >& in )
|
---|
| 2796 | {
|
---|
[996] | 2797 | return applyToPol(in, &STPol::invertPhase, Float(0.0));
|
---|
[896] | 2798 | }
|
---|
| 2799 |
|
---|
| 2800 | CountedPtr< Scantable >
|
---|
| 2801 | STMath::rotateXYPhase( const CountedPtr < Scantable >& in, float phase )
|
---|
| 2802 | {
|
---|
| 2803 | return applyToPol(in, &STPol::rotatePhase, Float(phase));
|
---|
| 2804 | }
|
---|
| 2805 |
|
---|
| 2806 | CountedPtr< Scantable >
|
---|
| 2807 | STMath::rotateLinPolPhase( const CountedPtr < Scantable >& in, float phase )
|
---|
| 2808 | {
|
---|
| 2809 | return applyToPol(in, &STPol::rotateLinPolPhase, Float(phase));
|
---|
| 2810 | }
|
---|
| 2811 |
|
---|
| 2812 | CountedPtr< Scantable > STMath::applyToPol( const CountedPtr<Scantable>& in,
|
---|
| 2813 | STPol::polOperation fptr,
|
---|
| 2814 | Float phase )
|
---|
| 2815 | {
|
---|
| 2816 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 2817 | Table& tout = out->table();
|
---|
| 2818 | Block<String> cols(4);
|
---|
| 2819 | cols[0] = String("SCANNO");
|
---|
| 2820 | cols[1] = String("BEAMNO");
|
---|
| 2821 | cols[2] = String("IFNO");
|
---|
| 2822 | cols[3] = String("CYCLENO");
|
---|
| 2823 | TableIterator iter(tout, cols);
|
---|
[1569] | 2824 | CountedPtr<STPol> stpol = STPol::getPolClass(out->factories_,
|
---|
[1384] | 2825 | out->getPolType() );
|
---|
[896] | 2826 | while (!iter.pastEnd()) {
|
---|
| 2827 | Table t = iter.table();
|
---|
| 2828 | ArrayColumn<Float> speccol(t, "SPECTRA");
|
---|
[1015] | 2829 | ScalarColumn<uInt> focidcol(t, "FOCUS_ID");
|
---|
[1384] | 2830 | Matrix<Float> pols(speccol.getColumn());
|
---|
[896] | 2831 | try {
|
---|
| 2832 | stpol->setSpectra(pols);
|
---|
[1586] | 2833 | Float fang,fhand;
|
---|
| 2834 | fang = in->focusTable_.getTotalAngle(focidcol(0));
|
---|
[1015] | 2835 | fhand = in->focusTable_.getFeedHand(focidcol(0));
|
---|
[1586] | 2836 | stpol->setPhaseCorrections(fang, fhand);
|
---|
[1384] | 2837 | // use a member function pointer in STPol. This only works on
|
---|
| 2838 | // the STPol pointer itself, not the Counted Pointer so
|
---|
| 2839 | // derefernce it.
|
---|
| 2840 | (&(*(stpol))->*fptr)(phase);
|
---|
[896] | 2841 | speccol.putColumn(stpol->getSpectra());
|
---|
| 2842 | } catch (AipsError& e) {
|
---|
[1384] | 2843 | //delete stpol;stpol=0;
|
---|
[896] | 2844 | throw(e);
|
---|
| 2845 | }
|
---|
| 2846 | ++iter;
|
---|
| 2847 | }
|
---|
[1384] | 2848 | //delete stpol;stpol=0;
|
---|
[896] | 2849 | return out;
|
---|
| 2850 | }
|
---|
| 2851 |
|
---|
| 2852 | CountedPtr< Scantable >
|
---|
| 2853 | STMath::swapPolarisations( const CountedPtr< Scantable > & in )
|
---|
| 2854 | {
|
---|
| 2855 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 2856 | Table& tout = out->table();
|
---|
| 2857 | Table t0 = tout(tout.col("POLNO") == 0);
|
---|
| 2858 | Table t1 = tout(tout.col("POLNO") == 1);
|
---|
| 2859 | if ( t0.nrow() != t1.nrow() )
|
---|
| 2860 | throw(AipsError("Inconsistent number of polarisations"));
|
---|
| 2861 | ArrayColumn<Float> speccol0(t0, "SPECTRA");
|
---|
| 2862 | ArrayColumn<uChar> flagcol0(t0, "FLAGTRA");
|
---|
| 2863 | ArrayColumn<Float> speccol1(t1, "SPECTRA");
|
---|
| 2864 | ArrayColumn<uChar> flagcol1(t1, "FLAGTRA");
|
---|
| 2865 | Matrix<Float> s0 = speccol0.getColumn();
|
---|
| 2866 | Matrix<uChar> f0 = flagcol0.getColumn();
|
---|
| 2867 | speccol0.putColumn(speccol1.getColumn());
|
---|
| 2868 | flagcol0.putColumn(flagcol1.getColumn());
|
---|
| 2869 | speccol1.putColumn(s0);
|
---|
| 2870 | flagcol1.putColumn(f0);
|
---|
| 2871 | return out;
|
---|
| 2872 | }
|
---|
[917] | 2873 |
|
---|
| 2874 | CountedPtr< Scantable >
|
---|
[940] | 2875 | STMath::averagePolarisations( const CountedPtr< Scantable > & in,
|
---|
| 2876 | const std::vector<bool>& mask,
|
---|
| 2877 | const std::string& weight )
|
---|
| 2878 | {
|
---|
[1232] | 2879 | if (in->npol() < 2 )
|
---|
| 2880 | throw(AipsError("averagePolarisations can only be applied to two or more"
|
---|
| 2881 | "polarisations"));
|
---|
[1010] | 2882 | bool insitu = insitu_;
|
---|
| 2883 | setInsitu(false);
|
---|
[1232] | 2884 | CountedPtr< Scantable > pols = getScantable(in, true);
|
---|
[1010] | 2885 | setInsitu(insitu);
|
---|
| 2886 | Table& tout = pols->table();
|
---|
[1232] | 2887 | std::string taql = "SELECT FROM $1 WHERE POLNO IN [0,1]";
|
---|
| 2888 | Table tab = tableCommand(taql, in->table());
|
---|
| 2889 | if (tab.nrow() == 0 )
|
---|
| 2890 | throw(AipsError("Could not find any rows with POLNO==0 and POLNO==1"));
|
---|
| 2891 | TableCopy::copyRows(tout, tab);
|
---|
[1145] | 2892 | TableVector<uInt> vec(tout, "POLNO");
|
---|
[940] | 2893 | vec = 0;
|
---|
[1145] | 2894 | pols->table_.rwKeywordSet().define("nPol", Int(1));
|
---|
[2102] | 2895 | pols->table_.rwKeywordSet().define("POLTYPE", String("stokes"));
|
---|
| 2896 | //pols->table_.rwKeywordSet().define("POLTYPE", in->getPolType());
|
---|
[1010] | 2897 | std::vector<CountedPtr<Scantable> > vpols;
|
---|
| 2898 | vpols.push_back(pols);
|
---|
[1232] | 2899 | CountedPtr< Scantable > out = average(vpols, mask, weight, "SCAN");
|
---|
[940] | 2900 | return out;
|
---|
| 2901 | }
|
---|
| 2902 |
|
---|
[1145] | 2903 | CountedPtr< Scantable >
|
---|
| 2904 | STMath::averageBeams( const CountedPtr< Scantable > & in,
|
---|
| 2905 | const std::vector<bool>& mask,
|
---|
| 2906 | const std::string& weight )
|
---|
| 2907 | {
|
---|
| 2908 | bool insitu = insitu_;
|
---|
| 2909 | setInsitu(false);
|
---|
| 2910 | CountedPtr< Scantable > beams = getScantable(in, false);
|
---|
| 2911 | setInsitu(insitu);
|
---|
| 2912 | Table& tout = beams->table();
|
---|
| 2913 | // give all rows the same BEAMNO
|
---|
| 2914 | TableVector<uInt> vec(tout, "BEAMNO");
|
---|
| 2915 | vec = 0;
|
---|
| 2916 | beams->table_.rwKeywordSet().define("nBeam", Int(1));
|
---|
| 2917 | std::vector<CountedPtr<Scantable> > vbeams;
|
---|
| 2918 | vbeams.push_back(beams);
|
---|
[1232] | 2919 | CountedPtr< Scantable > out = average(vbeams, mask, weight, "SCAN");
|
---|
[1145] | 2920 | return out;
|
---|
| 2921 | }
|
---|
[940] | 2922 |
|
---|
[1145] | 2923 |
|
---|
[940] | 2924 | CountedPtr< Scantable >
|
---|
[917] | 2925 | asap::STMath::frequencyAlign( const CountedPtr< Scantable > & in,
|
---|
| 2926 | const std::string & refTime,
|
---|
[926] | 2927 | const std::string & method)
|
---|
[917] | 2928 | {
|
---|
[2658] | 2929 | LogIO os( casa::LogOrigin("STMath", "frequencyAlign()", WHERE));
|
---|
[940] | 2930 | // clone as this is not working insitu
|
---|
| 2931 | bool insitu = insitu_;
|
---|
| 2932 | setInsitu(false);
|
---|
[917] | 2933 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
[940] | 2934 | setInsitu(insitu);
|
---|
[917] | 2935 | Table& tout = out->table();
|
---|
| 2936 | // Get reference Epoch to time of first row or given String
|
---|
| 2937 | Unit DAY(String("d"));
|
---|
| 2938 | MEpoch::Ref epochRef(in->getTimeReference());
|
---|
| 2939 | MEpoch refEpoch;
|
---|
| 2940 | if (refTime.length()>0) {
|
---|
| 2941 | Quantum<Double> qt;
|
---|
| 2942 | if (MVTime::read(qt,refTime)) {
|
---|
| 2943 | MVEpoch mv(qt);
|
---|
| 2944 | refEpoch = MEpoch(mv, epochRef);
|
---|
| 2945 | } else {
|
---|
| 2946 | throw(AipsError("Invalid format for Epoch string"));
|
---|
| 2947 | }
|
---|
| 2948 | } else {
|
---|
| 2949 | refEpoch = in->timeCol_(0);
|
---|
| 2950 | }
|
---|
| 2951 | MPosition refPos = in->getAntennaPosition();
|
---|
[940] | 2952 |
|
---|
[996] | 2953 | InterpolateArray1D<Double,Float>::InterpolationMethod interp = stringToIMethod(method);
|
---|
[1475] | 2954 | /*
|
---|
| 2955 | // Comment from MV.
|
---|
| 2956 | // the following code has been commented out because different FREQ_IDs have to be aligned together even
|
---|
| 2957 | // if the frame doesn't change. So far, lack of this check didn't cause any problems.
|
---|
[917] | 2958 | // test if user frame is different to base frame
|
---|
| 2959 | if ( in->frequencies().getFrameString(true)
|
---|
| 2960 | == in->frequencies().getFrameString(false) ) {
|
---|
[985] | 2961 | throw(AipsError("Can't convert as no output frame has been set"
|
---|
| 2962 | " (use set_freqframe) or it is aligned already."));
|
---|
[917] | 2963 | }
|
---|
[1475] | 2964 | */
|
---|
[917] | 2965 | MFrequency::Types system = in->frequencies().getFrame();
|
---|
[940] | 2966 | MVTime mvt(refEpoch.getValue());
|
---|
| 2967 | String epochout = mvt.string(MVTime::YMD) + String(" (") + refEpoch.getRefString() + String(")");
|
---|
[2818] | 2968 | os << "Aligning at reference Epoch " << epochout
|
---|
[2658] | 2969 | << " in frame " << MFrequency::showType(system) << LogIO::POST;
|
---|
[917] | 2970 | // set up the iterator
|
---|
[926] | 2971 | Block<String> cols(4);
|
---|
| 2972 | // select by constant direction
|
---|
[917] | 2973 | cols[0] = String("SRCNAME");
|
---|
| 2974 | cols[1] = String("BEAMNO");
|
---|
| 2975 | // select by IF ( no of channels varies over this )
|
---|
| 2976 | cols[2] = String("IFNO");
|
---|
[926] | 2977 | // select by restfrequency
|
---|
| 2978 | cols[3] = String("MOLECULE_ID");
|
---|
[917] | 2979 | TableIterator iter(tout, cols);
|
---|
[926] | 2980 | while ( !iter.pastEnd() ) {
|
---|
[917] | 2981 | Table t = iter.table();
|
---|
[2818] | 2982 | ROScalarColumn<String> snCol(t, "SRCNAME");
|
---|
| 2983 | os << "Aligning to position of source '" << snCol(0) << "'" << LogIO::POST;
|
---|
[917] | 2984 | MDirection::ROScalarColumn dirCol(t, "DIRECTION");
|
---|
[926] | 2985 | TableIterator fiter(t, "FREQ_ID");
|
---|
[917] | 2986 | // determine nchan from the first row. This should work as
|
---|
[2818] | 2987 | // we are iterating over BEAMNO and IFNO
|
---|
| 2988 | // we should have constant direction
|
---|
[926] | 2989 |
|
---|
[917] | 2990 | ROArrayColumn<Float> sCol(t, "SPECTRA");
|
---|
[1475] | 2991 | const MDirection direction = dirCol(0);
|
---|
| 2992 | const uInt nchan = sCol(0).nelements();
|
---|
| 2993 |
|
---|
| 2994 | // skip operations if there is nothing to align
|
---|
| 2995 | if (fiter.pastEnd()) {
|
---|
| 2996 | continue;
|
---|
| 2997 | }
|
---|
| 2998 |
|
---|
| 2999 | Table ftab = fiter.table();
|
---|
| 3000 | // align all frequency ids with respect to the first encountered id
|
---|
| 3001 | ScalarColumn<uInt> freqidCol(ftab, "FREQ_ID");
|
---|
| 3002 | // get the SpectralCoordinate for the freqid, which we are iterating over
|
---|
[2818] | 3003 | SpectralCoordinate sC = \
|
---|
| 3004 | in->frequencies().getSpectralCoordinate(freqidCol(0));
|
---|
[1475] | 3005 | FrequencyAligner<Float> fa( sC, nchan, refEpoch,
|
---|
| 3006 | direction, refPos, system );
|
---|
| 3007 | // realign the SpectralCoordinate and put into the output Scantable
|
---|
| 3008 | Vector<String> units(1);
|
---|
| 3009 | units = String("Hz");
|
---|
| 3010 | Bool linear=True;
|
---|
| 3011 | SpectralCoordinate sc2 = fa.alignedSpectralCoordinate(linear);
|
---|
| 3012 | sc2.setWorldAxisUnits(units);
|
---|
| 3013 | const uInt id = out->frequencies().addEntry(sc2.referencePixel()[0],
|
---|
| 3014 | sc2.referenceValue()[0],
|
---|
| 3015 | sc2.increment()[0]);
|
---|
[926] | 3016 | while ( !fiter.pastEnd() ) {
|
---|
[2818] | 3017 |
|
---|
[1475] | 3018 | ftab = fiter.table();
|
---|
| 3019 | // spectral coordinate for the current FREQ_ID
|
---|
| 3020 | ScalarColumn<uInt> freqidCol2(ftab, "FREQ_ID");
|
---|
| 3021 | sC = in->frequencies().getSpectralCoordinate(freqidCol2(0));
|
---|
[926] | 3022 | // create the "global" abcissa for alignment with same FREQ_ID
|
---|
| 3023 | Vector<Double> abc(nchan);
|
---|
[917] | 3024 | for (uInt i=0; i<nchan; i++) {
|
---|
[1475] | 3025 | Double w;
|
---|
| 3026 | sC.toWorld(w,Double(i));
|
---|
| 3027 | abc[i] = w;
|
---|
[917] | 3028 | }
|
---|
[1475] | 3029 | TableVector<uInt> tvec(ftab, "FREQ_ID");
|
---|
| 3030 | // assign new frequency id to all rows
|
---|
| 3031 | tvec = id;
|
---|
[926] | 3032 | // cache abcissa for same time stamps, so iterate over those
|
---|
| 3033 | TableIterator timeiter(ftab, "TIME");
|
---|
| 3034 | while ( !timeiter.pastEnd() ) {
|
---|
| 3035 | Table tab = timeiter.table();
|
---|
| 3036 | ArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 3037 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
| 3038 | MEpoch::ROScalarColumn timeCol(tab, "TIME");
|
---|
| 3039 | // use align abcissa cache after the first row
|
---|
[1475] | 3040 | // these rows should be just be POLNO
|
---|
[926] | 3041 | bool first = true;
|
---|
[996] | 3042 | for (int i=0; i<int(tab.nrow()); ++i) {
|
---|
[926] | 3043 | // input values
|
---|
| 3044 | Vector<uChar> flag = flagCol(i);
|
---|
| 3045 | Vector<Bool> mask(flag.shape());
|
---|
| 3046 | Vector<Float> specOut, spec;
|
---|
| 3047 | spec = specCol(i);
|
---|
| 3048 | Vector<Bool> maskOut;Vector<uChar> flagOut;
|
---|
| 3049 | convertArray(mask, flag);
|
---|
| 3050 | // alignment
|
---|
| 3051 | Bool ok = fa.align(specOut, maskOut, abc, spec,
|
---|
| 3052 | mask, timeCol(i), !first,
|
---|
| 3053 | interp, False);
|
---|
[2429] | 3054 | (void) ok; // unused stop compiler nagging
|
---|
[926] | 3055 | // back into scantable
|
---|
| 3056 | flagOut.resize(maskOut.nelements());
|
---|
| 3057 | convertArray(flagOut, maskOut);
|
---|
| 3058 | flagCol.put(i, flagOut);
|
---|
| 3059 | specCol.put(i, specOut);
|
---|
| 3060 | // start abcissa caching
|
---|
| 3061 | first = false;
|
---|
[917] | 3062 | }
|
---|
[926] | 3063 | // next timestamp
|
---|
| 3064 | ++timeiter;
|
---|
[917] | 3065 | }
|
---|
[940] | 3066 | // next FREQ_ID
|
---|
[926] | 3067 | ++fiter;
|
---|
[917] | 3068 | }
|
---|
| 3069 | // next aligner
|
---|
| 3070 | ++iter;
|
---|
| 3071 | }
|
---|
[940] | 3072 | // set this afterwards to ensure we are doing insitu correctly.
|
---|
| 3073 | out->frequencies().setFrame(system, true);
|
---|
[917] | 3074 | return out;
|
---|
| 3075 | }
|
---|
[992] | 3076 |
|
---|
| 3077 | CountedPtr<Scantable>
|
---|
| 3078 | asap::STMath::convertPolarisation( const CountedPtr<Scantable>& in,
|
---|
| 3079 | const std::string & newtype )
|
---|
| 3080 | {
|
---|
| 3081 | if (in->npol() != 2 && in->npol() != 4)
|
---|
| 3082 | throw(AipsError("Can only convert two or four polarisations."));
|
---|
| 3083 | if ( in->getPolType() == newtype )
|
---|
| 3084 | throw(AipsError("No need to convert."));
|
---|
[1000] | 3085 | if ( ! in->selector_.empty() )
|
---|
| 3086 | throw(AipsError("Can only convert whole scantable. Unset the selection."));
|
---|
[992] | 3087 | bool insitu = insitu_;
|
---|
| 3088 | setInsitu(false);
|
---|
| 3089 | CountedPtr< Scantable > out = getScantable(in, true);
|
---|
| 3090 | setInsitu(insitu);
|
---|
| 3091 | Table& tout = out->table();
|
---|
| 3092 | tout.rwKeywordSet().define("POLTYPE", String(newtype));
|
---|
| 3093 |
|
---|
| 3094 | Block<String> cols(4);
|
---|
| 3095 | cols[0] = "SCANNO";
|
---|
| 3096 | cols[1] = "CYCLENO";
|
---|
| 3097 | cols[2] = "BEAMNO";
|
---|
| 3098 | cols[3] = "IFNO";
|
---|
| 3099 | TableIterator it(in->originalTable_, cols);
|
---|
| 3100 | String basetype = in->getPolType();
|
---|
| 3101 | STPol* stpol = STPol::getPolClass(in->factories_, basetype);
|
---|
| 3102 | try {
|
---|
| 3103 | while ( !it.pastEnd() ) {
|
---|
| 3104 | Table tab = it.table();
|
---|
| 3105 | uInt row = tab.rowNumbers()[0];
|
---|
| 3106 | stpol->setSpectra(in->getPolMatrix(row));
|
---|
[1586] | 3107 | Float fang,fhand;
|
---|
| 3108 | fang = in->focusTable_.getTotalAngle(in->mfocusidCol_(row));
|
---|
[992] | 3109 | fhand = in->focusTable_.getFeedHand(in->mfocusidCol_(row));
|
---|
[1586] | 3110 | stpol->setPhaseCorrections(fang, fhand);
|
---|
[992] | 3111 | Int npolout = 0;
|
---|
| 3112 | for (uInt i=0; i<tab.nrow(); ++i) {
|
---|
| 3113 | Vector<Float> outvec = stpol->getSpectrum(i, newtype);
|
---|
| 3114 | if ( outvec.nelements() > 0 ) {
|
---|
| 3115 | tout.addRow();
|
---|
| 3116 | TableCopy::copyRows(tout, tab, tout.nrow()-1, 0, 1);
|
---|
| 3117 | ArrayColumn<Float> sCol(tout,"SPECTRA");
|
---|
| 3118 | ScalarColumn<uInt> pCol(tout,"POLNO");
|
---|
| 3119 | sCol.put(tout.nrow()-1 ,outvec);
|
---|
| 3120 | pCol.put(tout.nrow()-1 ,uInt(npolout));
|
---|
| 3121 | npolout++;
|
---|
| 3122 | }
|
---|
| 3123 | }
|
---|
| 3124 | tout.rwKeywordSet().define("nPol", npolout);
|
---|
| 3125 | ++it;
|
---|
| 3126 | }
|
---|
| 3127 | } catch (AipsError& e) {
|
---|
| 3128 | delete stpol;
|
---|
| 3129 | throw(e);
|
---|
| 3130 | }
|
---|
| 3131 | delete stpol;
|
---|
| 3132 | return out;
|
---|
| 3133 | }
|
---|
[1066] | 3134 |
|
---|
[1143] | 3135 | CountedPtr< Scantable >
|
---|
[1140] | 3136 | asap::STMath::mxExtract( const CountedPtr< Scantable > & in,
|
---|
| 3137 | const std::string & scantype )
|
---|
| 3138 | {
|
---|
| 3139 | bool insitu = insitu_;
|
---|
| 3140 | setInsitu(false);
|
---|
| 3141 | CountedPtr< Scantable > out = getScantable(in, true);
|
---|
| 3142 | setInsitu(insitu);
|
---|
| 3143 | Table& tout = out->table();
|
---|
| 3144 | std::string taql = "SELECT FROM $1 WHERE BEAMNO != REFBEAMNO";
|
---|
| 3145 | if (scantype == "on") {
|
---|
| 3146 | taql = "SELECT FROM $1 WHERE BEAMNO == REFBEAMNO";
|
---|
| 3147 | }
|
---|
| 3148 | Table tab = tableCommand(taql, in->table());
|
---|
| 3149 | TableCopy::copyRows(tout, tab);
|
---|
| 3150 | if (scantype == "on") {
|
---|
[1143] | 3151 | // re-index SCANNO to 0
|
---|
[1140] | 3152 | TableVector<uInt> vec(tout, "SCANNO");
|
---|
| 3153 | vec = 0;
|
---|
| 3154 | }
|
---|
| 3155 | return out;
|
---|
| 3156 | }
|
---|
[1192] | 3157 |
|
---|
[2177] | 3158 | std::vector<float>
|
---|
| 3159 | asap::STMath::fft( const casa::CountedPtr< Scantable > & in,
|
---|
| 3160 | const std::vector<int>& whichrow,
|
---|
| 3161 | bool getRealImag )
|
---|
| 3162 | {
|
---|
| 3163 | std::vector<float> res;
|
---|
| 3164 | Table tab = in->table();
|
---|
[2186] | 3165 | std::vector<bool> mask;
|
---|
[2177] | 3166 |
|
---|
| 3167 | if (whichrow.size() < 1) { // for all rows (by default)
|
---|
| 3168 | int nrow = int(tab.nrow());
|
---|
| 3169 | for (int i = 0; i < nrow; ++i) {
|
---|
[2186] | 3170 | res = in->execFFT(i, mask, getRealImag);
|
---|
[2177] | 3171 | }
|
---|
| 3172 | } else { // for specified rows
|
---|
| 3173 | for (uInt i = 0; i < whichrow.size(); ++i) {
|
---|
[2186] | 3174 | res = in->execFFT(i, mask, getRealImag);
|
---|
[2177] | 3175 | }
|
---|
| 3176 | }
|
---|
| 3177 |
|
---|
| 3178 | return res;
|
---|
| 3179 | }
|
---|
| 3180 |
|
---|
| 3181 |
|
---|
| 3182 | CountedPtr<Scantable>
|
---|
| 3183 | asap::STMath::lagFlag( const CountedPtr<Scantable>& in,
|
---|
[1579] | 3184 | double start, double end,
|
---|
[2177] | 3185 | const std::string& mode )
|
---|
[1192] | 3186 | {
|
---|
[2177] | 3187 | CountedPtr<Scantable> out = getScantable(in, false);
|
---|
[1192] | 3188 | Table& tout = out->table();
|
---|
| 3189 | TableIterator iter(tout, "FREQ_ID");
|
---|
| 3190 | FFTServer<Float,Complex> ffts;
|
---|
[2177] | 3191 |
|
---|
[1192] | 3192 | while ( !iter.pastEnd() ) {
|
---|
| 3193 | Table tab = iter.table();
|
---|
| 3194 | Double rp,rv,inc;
|
---|
| 3195 | ROTableRow row(tab);
|
---|
| 3196 | const TableRecord& rec = row.get(0);
|
---|
| 3197 | uInt freqid = rec.asuInt("FREQ_ID");
|
---|
| 3198 | out->frequencies().getEntry(rp, rv, inc, freqid);
|
---|
| 3199 | ArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 3200 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
[2177] | 3201 |
|
---|
[1192] | 3202 | for (int i=0; i<int(tab.nrow()); ++i) {
|
---|
| 3203 | Vector<Float> spec = specCol(i);
|
---|
| 3204 | Vector<uChar> flag = flagCol(i);
|
---|
[2186] | 3205 | std::vector<bool> mask;
|
---|
| 3206 | for (uInt j = 0; j < flag.nelements(); ++j) {
|
---|
| 3207 | mask.push_back(!(flag[j]>0));
|
---|
| 3208 | }
|
---|
| 3209 | mathutil::doZeroOrderInterpolation(spec, mask);
|
---|
[2177] | 3210 |
|
---|
[1192] | 3211 | Vector<Complex> lags;
|
---|
[1203] | 3212 | ffts.fft0(lags, spec);
|
---|
[2177] | 3213 |
|
---|
[1579] | 3214 | Int lag0(start+0.5);
|
---|
| 3215 | Int lag1(end+0.5);
|
---|
| 3216 | if (mode == "frequency") {
|
---|
| 3217 | lag0 = Int(spec.nelements()*abs(inc)/(start)+0.5);
|
---|
| 3218 | lag1 = Int(spec.nelements()*abs(inc)/(end)+0.5);
|
---|
| 3219 | }
|
---|
| 3220 | Int lstart = max(0, lag0);
|
---|
[2177] | 3221 | Int lend = min(Int(lags.nelements()-1), lag1);
|
---|
[1579] | 3222 | if (lstart == lend) {
|
---|
| 3223 | lags[lstart] = Complex(0.0);
|
---|
[1192] | 3224 | } else {
|
---|
[1579] | 3225 | if (lstart > lend) {
|
---|
| 3226 | Int tmp = lend;
|
---|
| 3227 | lend = lstart;
|
---|
| 3228 | lstart = tmp;
|
---|
| 3229 | }
|
---|
| 3230 | for (int j=lstart; j <=lend ;++j) {
|
---|
[1192] | 3231 | lags[j] = Complex(0.0);
|
---|
| 3232 | }
|
---|
| 3233 | }
|
---|
[2177] | 3234 |
|
---|
[1203] | 3235 | ffts.fft0(spec, lags);
|
---|
[2177] | 3236 |
|
---|
[1192] | 3237 | specCol.put(i, spec);
|
---|
| 3238 | }
|
---|
| 3239 | ++iter;
|
---|
| 3240 | }
|
---|
| 3241 | return out;
|
---|
| 3242 | }
|
---|
[1819] | 3243 |
|
---|
| 3244 | // Averaging spectra with different channel/resolution
|
---|
| 3245 | CountedPtr<Scantable>
|
---|
| 3246 | STMath::new_average( const std::vector<CountedPtr<Scantable> >& in,
|
---|
| 3247 | const bool& compel,
|
---|
| 3248 | const std::vector<bool>& mask,
|
---|
| 3249 | const std::string& weight,
|
---|
| 3250 | const std::string& avmode )
|
---|
| 3251 | throw ( casa::AipsError )
|
---|
| 3252 | {
|
---|
| 3253 | LogIO os( LogOrigin( "STMath", "new_average()", WHERE ) ) ;
|
---|
| 3254 | if ( avmode == "SCAN" && in.size() != 1 )
|
---|
| 3255 | throw(AipsError("Can't perform 'SCAN' averaging on multiple tables.\n"
|
---|
| 3256 | "Use merge first."));
|
---|
| 3257 |
|
---|
| 3258 | CountedPtr<Scantable> out ; // processed result
|
---|
| 3259 | if ( compel ) {
|
---|
| 3260 | std::vector< CountedPtr<Scantable> > newin ; // input for average process
|
---|
| 3261 | uInt insize = in.size() ; // number of input scantables
|
---|
| 3262 |
|
---|
[2595] | 3263 | // setup newin
|
---|
| 3264 | bool oldInsitu = insitu_ ;
|
---|
| 3265 | setInsitu( false ) ;
|
---|
| 3266 | newin.resize( insize ) ;
|
---|
[1819] | 3267 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
[2595] | 3268 | newin[itable] = getScantable( in[itable], false ) ;
|
---|
[1819] | 3269 | }
|
---|
[2595] | 3270 | setInsitu( oldInsitu ) ;
|
---|
[1819] | 3271 |
|
---|
| 3272 | // warning
|
---|
| 3273 | os << "Average spectra with different spectral resolution" << LogIO::POST ;
|
---|
| 3274 |
|
---|
| 3275 | // temporarily set coordinfo
|
---|
| 3276 | vector<string> oldinfo( insize ) ;
|
---|
| 3277 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
| 3278 | vector<string> coordinfo = in[itable]->getCoordInfo() ;
|
---|
| 3279 | oldinfo[itable] = coordinfo[0] ;
|
---|
| 3280 | coordinfo[0] = "Hz" ;
|
---|
[2595] | 3281 | newin[itable]->setCoordInfo( coordinfo ) ;
|
---|
[1819] | 3282 | }
|
---|
| 3283 |
|
---|
[2595] | 3284 | ostringstream oss ;
|
---|
[1819] | 3285 |
|
---|
| 3286 | // check IF frequency coverage
|
---|
| 3287 | // freqid: list of FREQ_ID, which is used, in each table
|
---|
| 3288 | // iffreq: list of minimum and maximum frequency for each FREQ_ID in
|
---|
| 3289 | // each table
|
---|
| 3290 | // freqid[insize][numIF]
|
---|
| 3291 | // freqid: [[id00, id01, ...],
|
---|
| 3292 | // [id10, id11, ...],
|
---|
| 3293 | // ...
|
---|
| 3294 | // [idn0, idn1, ...]]
|
---|
| 3295 | // iffreq[insize][numIF*2]
|
---|
| 3296 | // iffreq: [[min_id00, max_id00, min_id01, max_id01, ...],
|
---|
| 3297 | // [min_id10, max_id10, min_id11, max_id11, ...],
|
---|
| 3298 | // ...
|
---|
| 3299 | // [min_idn0, max_idn0, min_idn1, max_idn1, ...]]
|
---|
| 3300 | //os << "Check IF settings in each table" << LogIO::POST ;
|
---|
| 3301 | vector< vector<uInt> > freqid( insize );
|
---|
| 3302 | vector< vector<double> > iffreq( insize ) ;
|
---|
| 3303 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
[2595] | 3304 | Vector<uInt> freqIds = newin[itable]->mfreqidCol_.getColumn() ;
|
---|
| 3305 | vector<uInt> uniqueFreqId = newin[itable]->getNumbers(newin[itable]->mfreqidCol_) ;
|
---|
| 3306 | for ( vector<uInt>::iterator i = uniqueFreqId.begin() ;
|
---|
| 3307 | i != uniqueFreqId.end() ; i++ ) {
|
---|
| 3308 | //os << "itable = " << itable << ": IF " << id << " is included in the list" << LogIO::POST ;
|
---|
| 3309 | uInt target = 0 ;
|
---|
| 3310 | while ( freqIds[target] != *i )
|
---|
| 3311 | target++ ;
|
---|
| 3312 | vector<double> abcissa = newin[itable]->getAbcissa( target ) ;
|
---|
| 3313 | freqid[itable].push_back( *i ) ;
|
---|
| 3314 | double incr = abs( abcissa[1] - abcissa[0] ) ;
|
---|
| 3315 | iffreq[itable].push_back( (*min_element(abcissa.begin(),abcissa.end()))-0.5*incr ) ;
|
---|
| 3316 | iffreq[itable].push_back( (*max_element(abcissa.begin(),abcissa.end()))+0.5*incr ) ;
|
---|
[1819] | 3317 | }
|
---|
| 3318 | }
|
---|
| 3319 |
|
---|
| 3320 | // debug
|
---|
[2595] | 3321 | // os << "IF settings summary:" << endl ;
|
---|
| 3322 | // for ( uInt i = 0 ; i < freqid.size() ; i++ ) {
|
---|
| 3323 | // os << " Table" << i << endl ;
|
---|
| 3324 | // for ( uInt j = 0 ; j < freqid[i].size() ; j++ ) {
|
---|
| 3325 | // os << " id = " << freqid[i][j] << " (min,max) = (" << iffreq[i][2*j] << "," << iffreq[i][2*j+1] << ")" << endl ;
|
---|
| 3326 | // }
|
---|
| 3327 | // }
|
---|
| 3328 | // os << endl ;
|
---|
| 3329 | // os.post() ;
|
---|
[1819] | 3330 |
|
---|
| 3331 | // IF grouping based on their frequency coverage
|
---|
[2595] | 3332 | // ifgrp: number of member in each IF group
|
---|
| 3333 | // ifgrp[numgrp]
|
---|
| 3334 | // ifgrp: [n0, n1, ...]
|
---|
[1819] | 3335 | //os << "IF grouping based on their frequency coverage" << LogIO::POST ;
|
---|
| 3336 |
|
---|
| 3337 | // parameter for IF grouping
|
---|
| 3338 | // groupmode = OR retrieve all region
|
---|
| 3339 | // AND only retrieve overlaped region
|
---|
| 3340 | //string groupmode = "AND" ;
|
---|
| 3341 | string groupmode = "OR" ;
|
---|
| 3342 | uInt sizecr = 0 ;
|
---|
| 3343 | if ( groupmode == "AND" )
|
---|
[2476] | 3344 | sizecr = 1 ;
|
---|
[1819] | 3345 | else if ( groupmode == "OR" )
|
---|
| 3346 | sizecr = 0 ;
|
---|
| 3347 |
|
---|
| 3348 | vector<double> sortedfreq ;
|
---|
| 3349 | for ( uInt i = 0 ; i < iffreq.size() ; i++ ) {
|
---|
| 3350 | for ( uInt j = 0 ; j < iffreq[i].size() ; j++ ) {
|
---|
| 3351 | if ( count( sortedfreq.begin(), sortedfreq.end(), iffreq[i][j] ) == 0 )
|
---|
| 3352 | sortedfreq.push_back( iffreq[i][j] ) ;
|
---|
| 3353 | }
|
---|
| 3354 | }
|
---|
| 3355 | sort( sortedfreq.begin(), sortedfreq.end() ) ;
|
---|
[2595] | 3356 | vector<uInt> ifgrp( sortedfreq.size()-1, 0 ) ;
|
---|
[1819] | 3357 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
| 3358 | for ( uInt iif = 0 ; iif < freqid[itable].size() ; iif++ ) {
|
---|
| 3359 | double range0 = iffreq[itable][2*iif] ;
|
---|
| 3360 | double range1 = iffreq[itable][2*iif+1] ;
|
---|
[2595] | 3361 | for ( uInt j = 0 ; j < sortedfreq.size()-1 ; j++ ) {
|
---|
| 3362 | double fmin = max( range0, sortedfreq[j] ) ;
|
---|
| 3363 | double fmax = min( range1, sortedfreq[j+1] ) ;
|
---|
| 3364 | if ( fmin < fmax ) {
|
---|
| 3365 | ifgrp[j]++ ;
|
---|
| 3366 | }
|
---|
| 3367 | }
|
---|
[1819] | 3368 | }
|
---|
| 3369 | }
|
---|
| 3370 |
|
---|
| 3371 | // Grouping continuous IF groups (without frequency gap)
|
---|
| 3372 | // freqgrp: list of IF group indexes in each frequency group
|
---|
| 3373 | // freqgrp[numgrp][nummember]
|
---|
| 3374 | // freqgrp: [[ifgrp00, ifgrp01, ifgrp02, ...],
|
---|
| 3375 | // [ifgrp10, ifgrp11, ifgrp12, ...],
|
---|
| 3376 | // ...
|
---|
| 3377 | // [ifgrpn0, ifgrpn1, ifgrpn2, ...]]
|
---|
[2595] | 3378 | // grprange[2*numgrp]
|
---|
| 3379 | // grprange: [fmin0,fmax0,fmin1,fmax1,...]
|
---|
[1819] | 3380 | vector< vector<uInt> > freqgrp ;
|
---|
[2595] | 3381 | vector<double> grprange ;
|
---|
| 3382 | vector<uInt> grpedge ;
|
---|
| 3383 | for ( uInt igrp = 0 ; igrp < ifgrp.size() ; igrp++ ) {
|
---|
| 3384 | if ( ifgrp[igrp] <= sizecr ) {
|
---|
| 3385 | grpedge.push_back( igrp ) ;
|
---|
[1819] | 3386 | }
|
---|
[2595] | 3387 | }
|
---|
| 3388 | grpedge.push_back( ifgrp.size() ) ;
|
---|
| 3389 | uInt itmp = 0 ;
|
---|
| 3390 | for ( uInt i = 0 ; i < grpedge.size() ; i++ ) {
|
---|
| 3391 | int n = grpedge[i] - itmp ;
|
---|
| 3392 | if ( n > 0 ) {
|
---|
| 3393 | vector<uInt> members( n ) ;
|
---|
| 3394 | for ( int j = 0 ; j < n ; j++ ) {
|
---|
| 3395 | members[j] = itmp+j ;
|
---|
| 3396 | }
|
---|
| 3397 | freqgrp.push_back( members ) ;
|
---|
| 3398 | grprange.push_back( sortedfreq[itmp] ) ;
|
---|
| 3399 | grprange.push_back( sortedfreq[grpedge[i]] ) ;
|
---|
[1819] | 3400 | }
|
---|
[2595] | 3401 | itmp += n + 1 ;
|
---|
[1819] | 3402 | }
|
---|
| 3403 |
|
---|
| 3404 | // print frequency group
|
---|
| 3405 | oss.str("") ;
|
---|
| 3406 | oss << "Frequency Group summary: " << endl ;
|
---|
[2595] | 3407 | oss << " GROUP_ID: [FREQ_MIN, FREQ_MAX]" << endl ;
|
---|
[1819] | 3408 | for ( uInt i = 0 ; i < freqgrp.size() ; i++ ) {
|
---|
[2595] | 3409 | oss << " GROUP " << setw( 2 ) << i << ": [" << grprange[2*i] << "," << grprange[2*i+1] << "]" ;
|
---|
[1819] | 3410 | oss << endl ;
|
---|
| 3411 | }
|
---|
| 3412 | oss << endl ;
|
---|
| 3413 | os << oss.str() << LogIO::POST ;
|
---|
| 3414 |
|
---|
[2595] | 3415 | // groups: list of frequency group index whose frequency range overlaps
|
---|
| 3416 | // with that of each table and IF
|
---|
| 3417 | // groups[numtable][numIF]
|
---|
| 3418 | // groups: [[grpx, grpy,...],
|
---|
| 3419 | // [grpa, grpb,...],
|
---|
[1819] | 3420 | // ...
|
---|
[2595] | 3421 | // [grpk, grpm,...]]
|
---|
| 3422 | vector< vector<uInt> > groups( insize ) ;
|
---|
[1819] | 3423 | for ( uInt i = 0 ; i < insize ; i++ ) {
|
---|
| 3424 | groups[i].resize( freqid[i].size() ) ;
|
---|
| 3425 | }
|
---|
[2595] | 3426 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
| 3427 | for ( uInt ifreq = 0 ; ifreq < freqid[itable].size() ; ifreq++ ) {
|
---|
| 3428 | double minf = iffreq[itable][2*ifreq] ;
|
---|
| 3429 | uInt groupid ;
|
---|
| 3430 | for ( uInt igrp = 0 ; igrp < freqgrp.size() ; igrp++ ) {
|
---|
| 3431 | vector<uInt> memberlist = freqgrp[igrp] ;
|
---|
| 3432 | if ( (minf >= grprange[2*igrp]) && (minf <= grprange[2*igrp+1]) ) {
|
---|
| 3433 | groupid = igrp ;
|
---|
| 3434 | break ;
|
---|
| 3435 | }
|
---|
| 3436 | }
|
---|
| 3437 | groups[itable][ifreq] = groupid ;
|
---|
[1819] | 3438 | }
|
---|
| 3439 | }
|
---|
[2595] | 3440 |
|
---|
[1819] | 3441 |
|
---|
| 3442 | // print membership
|
---|
[2595] | 3443 | oss.str("") ;
|
---|
[1819] | 3444 | for ( uInt i = 0 ; i < insize ; i++ ) {
|
---|
[2595] | 3445 | oss << "Table " << i << endl ;
|
---|
| 3446 | for ( uInt j = 0 ; j < groups[i].size() ; j++ ) {
|
---|
| 3447 | oss << " FREQ_ID " << setw( 2 ) << freqid[i][j] << ": " ;
|
---|
| 3448 | oss << setw( 2 ) << groups[i][j] ;
|
---|
| 3449 | oss << endl ;
|
---|
[1819] | 3450 | }
|
---|
| 3451 | }
|
---|
[2595] | 3452 | os << oss.str() << LogIO::POST ;
|
---|
[1819] | 3453 |
|
---|
| 3454 | // reset SCANNO and IFNO/FREQ_ID: IF is reset by the result of sortation
|
---|
| 3455 | //os << "All IF number is set to IF group index" << LogIO::POST ;
|
---|
[2479] | 3456 | // reset SCANNO only when avmode != "SCAN"
|
---|
| 3457 | if ( avmode != "SCAN" ) {
|
---|
| 3458 | os << "All scan number is set to 0" << LogIO::POST ;
|
---|
| 3459 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
| 3460 | uInt nrow = newin[itable]->nrow() ;
|
---|
[2595] | 3461 | Vector<uInt> resetScan( nrow, 0 ) ;
|
---|
| 3462 | newin[itable]->scanCol_.putColumn( resetScan ) ;
|
---|
[2479] | 3463 | }
|
---|
| 3464 | }
|
---|
[2595] | 3465 |
|
---|
| 3466 | // reset spectra and flagtra: align spectral resolution
|
---|
| 3467 | //os << "Align spectral resolution" << LogIO::POST ;
|
---|
| 3468 | // gmaxdnu: the coarsest frequency resolution in the frequency group
|
---|
| 3469 | // gminfreq: lower frequency edge of the frequency group
|
---|
| 3470 | // gnchan: number of channels for the frequency group
|
---|
| 3471 | vector<double> gmaxdnu( freqgrp.size(), 0.0 ) ;
|
---|
| 3472 | vector<double> gminfreq( freqgrp.size() ) ;
|
---|
| 3473 | vector<double> gnchan( freqgrp.size() ) ;
|
---|
| 3474 | for ( uInt i = 0 ; i < insize ; i++ ) {
|
---|
| 3475 | vector<uInt> members = groups[i] ;
|
---|
| 3476 | for ( uInt j = 0 ; j < members.size() ; j++ ) {
|
---|
| 3477 | uInt groupid = members[j] ;
|
---|
| 3478 | Double rp,rv,ic ;
|
---|
| 3479 | newin[i]->frequencies().getEntry( rp, rv, ic, j ) ;
|
---|
| 3480 | if ( abs(ic) > abs(gmaxdnu[groupid]) )
|
---|
| 3481 | gmaxdnu[groupid] = ic ;
|
---|
[1819] | 3482 | }
|
---|
| 3483 | }
|
---|
[2595] | 3484 | for ( uInt igrp = 0 ; igrp < freqgrp.size() ; igrp++ ) {
|
---|
| 3485 | gminfreq[igrp] = grprange[2*igrp] ;
|
---|
| 3486 | double maxfreq = grprange[2*igrp+1] ;
|
---|
| 3487 | gnchan[igrp] = (int)(abs((maxfreq-gminfreq[igrp])/gmaxdnu[igrp])+0.9) ;
|
---|
[1819] | 3488 | }
|
---|
[2595] | 3489 |
|
---|
| 3490 | // regrid spectral data and update frequency info
|
---|
[1819] | 3491 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
[2595] | 3492 | Vector<uInt> oldFreqId = newin[itable]->mfreqidCol_.getColumn() ;
|
---|
| 3493 | Vector<uInt> newFreqId( oldFreqId.nelements() ) ;
|
---|
[1819] | 3494 |
|
---|
[2595] | 3495 | // update MAIN
|
---|
| 3496 | for ( uInt irow = 0 ; irow < newin[itable]->nrow() ; irow++ ) {
|
---|
| 3497 | uInt groupid = groups[itable][oldFreqId[irow]] ;
|
---|
| 3498 | newFreqId[irow] = groupid ;
|
---|
| 3499 | newin[itable]->regridChannel( gnchan[groupid],
|
---|
| 3500 | gmaxdnu[groupid],
|
---|
| 3501 | gminfreq[groupid],
|
---|
| 3502 | irow ) ;
|
---|
[1819] | 3503 | }
|
---|
[2595] | 3504 | newin[itable]->mfreqidCol_.putColumn( newFreqId ) ;
|
---|
| 3505 | newin[itable]->ifCol_.putColumn( newFreqId ) ;
|
---|
[1819] | 3506 |
|
---|
[2595] | 3507 | // update FREQUENCIES
|
---|
| 3508 | Table tab = newin[itable]->frequencies().table() ;
|
---|
| 3509 | ScalarColumn<uInt> fIdCol( tab, "ID" ) ;
|
---|
| 3510 | ScalarColumn<Double> fRefPixCol( tab, "REFPIX" ) ;
|
---|
| 3511 | ScalarColumn<Double> fRefValCol( tab, "REFVAL" ) ;
|
---|
| 3512 | ScalarColumn<Double> fIncrCol( tab, "INCREMENT" ) ;
|
---|
| 3513 | if ( freqgrp.size() > tab.nrow() ) {
|
---|
| 3514 | tab.addRow( freqgrp.size()-tab.nrow() ) ;
|
---|
[1819] | 3515 | }
|
---|
[2595] | 3516 | for ( uInt irow = 0 ; irow < freqgrp.size() ; irow++ ) {
|
---|
| 3517 | Double refval = gminfreq[irow] + 0.5 * abs(gmaxdnu[irow]) ;
|
---|
| 3518 | Double refpix = (gmaxdnu[irow] > 0.0) ? 0 : gnchan[irow]-1 ;
|
---|
| 3519 | Double increment = gmaxdnu[irow] ;
|
---|
| 3520 | fIdCol.put( irow, irow ) ;
|
---|
| 3521 | fRefPixCol.put( irow, refpix ) ;
|
---|
| 3522 | fRefValCol.put( irow, refval ) ;
|
---|
| 3523 | fIncrCol.put( irow, increment ) ;
|
---|
[1819] | 3524 | }
|
---|
| 3525 | }
|
---|
| 3526 |
|
---|
| 3527 | // set back coordinfo
|
---|
| 3528 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
| 3529 | vector<string> coordinfo = newin[itable]->getCoordInfo() ;
|
---|
| 3530 | coordinfo[0] = oldinfo[itable] ;
|
---|
| 3531 | newin[itable]->setCoordInfo( coordinfo ) ;
|
---|
[2595] | 3532 | }
|
---|
[1819] | 3533 |
|
---|
| 3534 | // average
|
---|
[2595] | 3535 | out = average( newin, mask, weight, avmode ) ;
|
---|
[1819] | 3536 | }
|
---|
| 3537 | else {
|
---|
| 3538 | // simple average
|
---|
| 3539 | out = average( in, mask, weight, avmode ) ;
|
---|
| 3540 | }
|
---|
| 3541 |
|
---|
[2345] | 3542 | return out;
|
---|
[1819] | 3543 | }
|
---|
| 3544 |
|
---|
| 3545 | CountedPtr<Scantable> STMath::cwcal( const CountedPtr<Scantable>& s,
|
---|
| 3546 | const String calmode,
|
---|
| 3547 | const String antname )
|
---|
| 3548 | {
|
---|
| 3549 | // frequency switch
|
---|
| 3550 | if ( calmode == "fs" ) {
|
---|
| 3551 | return cwcalfs( s, antname ) ;
|
---|
| 3552 | }
|
---|
| 3553 | else {
|
---|
| 3554 | vector<bool> masks = s->getMask( 0 ) ;
|
---|
| 3555 | vector<int> types ;
|
---|
| 3556 |
|
---|
[2580] | 3557 | // save original table selection
|
---|
| 3558 | Table torg = s->table_ ;
|
---|
| 3559 |
|
---|
[1819] | 3560 | // sky scan
|
---|
[2580] | 3561 | bool insitu = insitu_ ;
|
---|
| 3562 | insitu_ = false ;
|
---|
| 3563 | // share calibration scans before average with out
|
---|
| 3564 | CountedPtr<Scantable> out = getScantable( s, true ) ;
|
---|
| 3565 | insitu_ = insitu ;
|
---|
| 3566 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::SKY ) ;
|
---|
| 3567 | out->attach() ;
|
---|
| 3568 | CountedPtr<Scantable> asky = averageWithinSession( out,
|
---|
| 3569 | masks,
|
---|
| 3570 | "TINT" ) ;
|
---|
[1819] | 3571 | // hot scan
|
---|
[2580] | 3572 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::HOT ) ;
|
---|
| 3573 | out->attach() ;
|
---|
| 3574 | CountedPtr<Scantable> ahot = averageWithinSession( out,
|
---|
| 3575 | masks,
|
---|
| 3576 | "TINT" ) ;
|
---|
[1819] | 3577 | // cold scan
|
---|
| 3578 | CountedPtr<Scantable> acold ;
|
---|
[2580] | 3579 | // out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::COLD ) ;
|
---|
| 3580 | // out->attach() ;
|
---|
| 3581 | // CountedPtr<Scantable> acold = averageWithinSession( out,
|
---|
| 3582 | // masks,
|
---|
| 3583 | // "TINT" ) ;
|
---|
[1819] | 3584 |
|
---|
| 3585 | // off scan
|
---|
[2580] | 3586 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSOFF ) ;
|
---|
| 3587 | out->attach() ;
|
---|
| 3588 | CountedPtr<Scantable> aoff = averageWithinSession( out,
|
---|
| 3589 | masks,
|
---|
| 3590 | "TINT" ) ;
|
---|
[1819] | 3591 |
|
---|
| 3592 | // on scan
|
---|
[2580] | 3593 | s->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSON ) ;
|
---|
| 3594 | s->attach() ;
|
---|
| 3595 | out->table_ = out->originalTable_ ;
|
---|
| 3596 | out->attach() ;
|
---|
| 3597 | out->table().addRow( s->nrow() ) ;
|
---|
| 3598 | copyRows( out->table(), s->table(), 0, 0, s->nrow(), False, True, False ) ;
|
---|
[1819] | 3599 |
|
---|
[2920] | 3600 | // iterate throgh STIdxIter2
|
---|
[2919] | 3601 | ChopperWheelCalibrator cal(out, s, aoff, asky, ahot, acold);
|
---|
[2920] | 3602 | STIdxIter2::Iterate<ChopperWheelCalibrator>(cal, "BEAMNO,POLNO,IFNO");
|
---|
[2919] | 3603 |
|
---|
[2580] | 3604 | s->table_ = torg ;
|
---|
| 3605 | s->attach() ;
|
---|
[1819] | 3606 |
|
---|
| 3607 | // flux unit
|
---|
| 3608 | out->setFluxUnit( "K" ) ;
|
---|
| 3609 |
|
---|
| 3610 | return out ;
|
---|
| 3611 | }
|
---|
| 3612 | }
|
---|
| 3613 |
|
---|
| 3614 | CountedPtr<Scantable> STMath::almacal( const CountedPtr<Scantable>& s,
|
---|
| 3615 | const String calmode )
|
---|
| 3616 | {
|
---|
| 3617 | // frequency switch
|
---|
| 3618 | if ( calmode == "fs" ) {
|
---|
| 3619 | return almacalfs( s ) ;
|
---|
| 3620 | }
|
---|
| 3621 | else {
|
---|
[2580] | 3622 | // double t0, t1 ;
|
---|
| 3623 | // t0 = mathutil::gettimeofday_sec() ;
|
---|
[1819] | 3624 | vector<bool> masks = s->getMask( 0 ) ;
|
---|
[2580] | 3625 |
|
---|
| 3626 | // save original table selection
|
---|
| 3627 | Table torg = s->table_ ;
|
---|
| 3628 |
|
---|
[1819] | 3629 | // off scan
|
---|
| 3630 | // TODO 2010/01/08 TN
|
---|
| 3631 | // Grouping by time should be needed before averaging.
|
---|
| 3632 | // Each group must have own unique SCANNO (should be renumbered).
|
---|
| 3633 | // See PIPELINE/SDCalibration.py
|
---|
| 3634 | bool insitu = insitu_ ;
|
---|
| 3635 | insitu_ = false ;
|
---|
[2580] | 3636 | // share off scan before average with out
|
---|
[1819] | 3637 | CountedPtr<Scantable> out = getScantable( s, true ) ;
|
---|
[2580] | 3638 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSOFF ) ;
|
---|
| 3639 | out->attach() ;
|
---|
[1819] | 3640 | insitu_ = insitu ;
|
---|
[2580] | 3641 | CountedPtr<Scantable> aoff = averageWithinSession( out,
|
---|
| 3642 | masks,
|
---|
| 3643 | "TINT" ) ;
|
---|
| 3644 |
|
---|
| 3645 | // on scan
|
---|
| 3646 | // t0 = mathutil::gettimeofday_sec() ;
|
---|
| 3647 | s->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSON ) ;
|
---|
| 3648 | s->attach() ;
|
---|
| 3649 | out->table_ = out->originalTable_ ;
|
---|
| 3650 | out->attach() ;
|
---|
| 3651 | out->table().addRow( s->nrow() ) ;
|
---|
| 3652 | copyRows( out->table(), s->table(), 0, 0, s->nrow(), False ) ;
|
---|
| 3653 | // t1 = mathutil::gettimeofday_sec() ;
|
---|
| 3654 | // cout << "elapsed time for preparing output table: " << t1-t0 << " sec" << endl ;
|
---|
| 3655 |
|
---|
[1819] | 3656 | // process each on scan
|
---|
[2580] | 3657 | // t0 = mathutil::gettimeofday_sec() ;
|
---|
| 3658 |
|
---|
[2920] | 3659 | // iterate throgh STIdxIter2
|
---|
[2919] | 3660 | AlmaCalibrator cal(out, s, aoff);
|
---|
[2920] | 3661 | STIdxIter2::Iterate<AlmaCalibrator>(cal, "BEAMNO,POLNO,IFNO");
|
---|
[2919] | 3662 |
|
---|
| 3663 | // finalize
|
---|
[2580] | 3664 | s->table_ = torg ;
|
---|
| 3665 | s->attach() ;
|
---|
[1819] | 3666 |
|
---|
[2580] | 3667 | // t1 = mathutil::gettimeofday_sec() ;
|
---|
| 3668 | // cout << "elapsed time for calibration: " << t1-t0 << " sec" << endl ;
|
---|
| 3669 |
|
---|
[1819] | 3670 | // flux unit
|
---|
| 3671 | out->setFluxUnit( "K" ) ;
|
---|
| 3672 |
|
---|
| 3673 | return out ;
|
---|
| 3674 | }
|
---|
| 3675 | }
|
---|
| 3676 |
|
---|
| 3677 | CountedPtr<Scantable> STMath::cwcalfs( const CountedPtr<Scantable>& s,
|
---|
| 3678 | const String antname )
|
---|
| 3679 | {
|
---|
| 3680 | vector<int> types ;
|
---|
| 3681 |
|
---|
| 3682 | // APEX calibration mode
|
---|
| 3683 | int apexcalmode = 1 ;
|
---|
| 3684 |
|
---|
| 3685 | if ( antname.find( "APEX" ) != string::npos ) {
|
---|
| 3686 | // check if off scan exists or not
|
---|
| 3687 | STSelector sel = STSelector() ;
|
---|
| 3688 | //sel.setName( offstr1 ) ;
|
---|
| 3689 | types.push_back( SrcType::FLOOFF ) ;
|
---|
| 3690 | sel.setTypes( types ) ;
|
---|
| 3691 | try {
|
---|
| 3692 | s->setSelection( sel ) ;
|
---|
| 3693 | }
|
---|
| 3694 | catch ( AipsError &e ) {
|
---|
| 3695 | apexcalmode = 0 ;
|
---|
| 3696 | }
|
---|
| 3697 | sel.reset() ;
|
---|
| 3698 | }
|
---|
| 3699 | s->unsetSelection() ;
|
---|
| 3700 | types.clear() ;
|
---|
| 3701 |
|
---|
| 3702 | vector<bool> masks = s->getMask( 0 ) ;
|
---|
| 3703 | CountedPtr<Scantable> ssig, sref ;
|
---|
[2580] | 3704 | //CountedPtr<Scantable> out ;
|
---|
| 3705 | bool insitu = insitu_ ;
|
---|
| 3706 | insitu_ = False ;
|
---|
| 3707 | CountedPtr<Scantable> out = getScantable( s, true ) ;
|
---|
| 3708 | insitu_ = insitu ;
|
---|
[1819] | 3709 |
|
---|
| 3710 | if ( antname.find( "APEX" ) != string::npos ) {
|
---|
| 3711 | // APEX calibration
|
---|
| 3712 | // sky scan
|
---|
[2580] | 3713 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FLOSKY ) ;
|
---|
| 3714 | out->attach() ;
|
---|
| 3715 | CountedPtr<Scantable> askylo = averageWithinSession( out,
|
---|
| 3716 | masks,
|
---|
| 3717 | "TINT" ) ;
|
---|
| 3718 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FHISKY ) ;
|
---|
| 3719 | out->attach() ;
|
---|
| 3720 | CountedPtr<Scantable> askyhi = averageWithinSession( out,
|
---|
| 3721 | masks,
|
---|
| 3722 | "TINT" ) ;
|
---|
[1819] | 3723 |
|
---|
| 3724 | // hot scan
|
---|
[2580] | 3725 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FLOHOT ) ;
|
---|
| 3726 | out->attach() ;
|
---|
| 3727 | CountedPtr<Scantable> ahotlo = averageWithinSession( out,
|
---|
| 3728 | masks,
|
---|
| 3729 | "TINT" ) ;
|
---|
| 3730 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FHIHOT ) ;
|
---|
| 3731 | out->attach() ;
|
---|
| 3732 | CountedPtr<Scantable> ahothi = averageWithinSession( out,
|
---|
| 3733 | masks,
|
---|
| 3734 | "TINT" ) ;
|
---|
[1819] | 3735 |
|
---|
| 3736 | // cold scan
|
---|
| 3737 | CountedPtr<Scantable> acoldlo, acoldhi ;
|
---|
[2580] | 3738 | // out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FLOCOLD ) ;
|
---|
| 3739 | // out->attach() ;
|
---|
| 3740 | // CountedPtr<Scantable> acoldlo = averageWithinSession( out,
|
---|
| 3741 | // masks,
|
---|
| 3742 | // "TINT" ) ;
|
---|
| 3743 | // out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FHICOLD ) ;
|
---|
| 3744 | // out->attach() ;
|
---|
| 3745 | // CountedPtr<Scantable> acoldhi = averageWithinSession( out,
|
---|
| 3746 | // masks,
|
---|
| 3747 | // "TINT" ) ;
|
---|
[1819] | 3748 |
|
---|
| 3749 | // ref scan
|
---|
| 3750 | insitu_ = false ;
|
---|
| 3751 | sref = getScantable( s, true ) ;
|
---|
[2580] | 3752 | CountedPtr<Scantable> rref = getScantable( s, true ) ;
|
---|
[1819] | 3753 | insitu_ = insitu ;
|
---|
[2580] | 3754 | rref->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FSLO ) ;
|
---|
| 3755 | rref->attach() ;
|
---|
| 3756 | copyRows( sref->table_, rref->table_, 0, 0, rref->nrow(), False, True, False ) ;
|
---|
[1819] | 3757 |
|
---|
| 3758 | // sig scan
|
---|
| 3759 | insitu_ = false ;
|
---|
| 3760 | ssig = getScantable( s, true ) ;
|
---|
[2580] | 3761 | CountedPtr<Scantable> rsig = getScantable( s, true ) ;
|
---|
[1819] | 3762 | insitu_ = insitu ;
|
---|
[2580] | 3763 | rsig->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FSHI ) ;
|
---|
| 3764 | rsig->attach() ;
|
---|
| 3765 | copyRows( ssig->table_, rsig->table_, 0, 0, rsig->nrow(), False, True, False ) ;
|
---|
[1819] | 3766 |
|
---|
| 3767 | if ( apexcalmode == 0 ) {
|
---|
[2916] | 3768 | // using STIdxIter2
|
---|
[2580] | 3769 | vector<string> cols( 3 ) ;
|
---|
| 3770 | cols[0] = "BEAMNO" ;
|
---|
| 3771 | cols[1] = "POLNO" ;
|
---|
| 3772 | cols[2] = "IFNO" ;
|
---|
[2916] | 3773 | STIdxIter2 iter(ssig, cols) ;
|
---|
[2580] | 3774 | STSelector sel ;
|
---|
| 3775 | vector< CountedPtr<Scantable> > on( 2 ) ;
|
---|
| 3776 | on[0] = rsig ;
|
---|
| 3777 | on[1] = rref ;
|
---|
| 3778 | vector< CountedPtr<Scantable> > sky( 2 ) ;
|
---|
| 3779 | sky[0] = askylo ;
|
---|
| 3780 | sky[1] = askyhi ;
|
---|
| 3781 | vector< CountedPtr<Scantable> > hot( 2 ) ;
|
---|
| 3782 | hot[0] = ahotlo ;
|
---|
| 3783 | hot[1] = ahothi ;
|
---|
| 3784 | vector< CountedPtr<Scantable> > cold( 2 ) ;
|
---|
[2916] | 3785 | while ( !iter.pastEnd() ) {
|
---|
| 3786 | Record ids = iter.currentValue() ;
|
---|
[2580] | 3787 | stringstream ss ;
|
---|
| 3788 | ss << "SELECT FROM $1 WHERE "
|
---|
[2916] | 3789 | << "BEAMNO==" << ids.asuInt("BEAMNO") << "&&"
|
---|
| 3790 | << "POLNO==" << ids.asuInt("POLNO") << "&&"
|
---|
| 3791 | << "IFNO==" << ids.asuInt("IFNO") ;
|
---|
[2580] | 3792 | //cout << "TaQL string: " << ss.str() << endl ;
|
---|
| 3793 | sel.setTaQL( ss.str() ) ;
|
---|
| 3794 | sky[0]->setSelection( sel ) ;
|
---|
| 3795 | sky[1]->setSelection( sel ) ;
|
---|
| 3796 | hot[0]->setSelection( sel ) ;
|
---|
| 3797 | hot[1]->setSelection( sel ) ;
|
---|
[2916] | 3798 | Vector<uInt> rows = iter.getRows( SHARE ) ;
|
---|
[2580] | 3799 | calibrateAPEXFS( ssig, sref, on, sky, hot, cold, rows ) ;
|
---|
| 3800 | sky[0]->unsetSelection() ;
|
---|
| 3801 | sky[1]->unsetSelection() ;
|
---|
| 3802 | hot[0]->unsetSelection() ;
|
---|
| 3803 | hot[1]->unsetSelection() ;
|
---|
[1819] | 3804 | sel.reset() ;
|
---|
[2916] | 3805 | iter.next() ;
|
---|
[1819] | 3806 | }
|
---|
[2580] | 3807 |
|
---|
[1819] | 3808 | }
|
---|
| 3809 | else if ( apexcalmode == 1 ) {
|
---|
| 3810 | // APEX fs data with off scan
|
---|
| 3811 | // off scan
|
---|
[2580] | 3812 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FLOOFF ) ;
|
---|
| 3813 | out->attach() ;
|
---|
| 3814 | CountedPtr<Scantable> aofflo = averageWithinSession( out,
|
---|
| 3815 | masks,
|
---|
| 3816 | "TINT" ) ;
|
---|
| 3817 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::FHIOFF ) ;
|
---|
| 3818 | out->attach() ;
|
---|
| 3819 | CountedPtr<Scantable> aoffhi = averageWithinSession( out,
|
---|
| 3820 | masks,
|
---|
| 3821 | "TINT" ) ;
|
---|
[1819] | 3822 |
|
---|
| 3823 | // process each sig and ref scan
|
---|
[2920] | 3824 | // iterate throgh STIdxIter2
|
---|
[2919] | 3825 | ChopperWheelCalibrator cal_sig(ssig, rsig, aofflo, askylo, ahotlo, acoldlo);
|
---|
[2920] | 3826 | STIdxIter2::Iterate<ChopperWheelCalibrator>(cal_sig, "BEAMNO,POLNO,IFNO");
|
---|
[2919] | 3827 | ChopperWheelCalibrator cal_ref(sref, rref, aoffhi, askyhi, ahothi, acoldhi);
|
---|
[2920] | 3828 | STIdxIter2::Iterate<ChopperWheelCalibrator>(cal_ref, "BEAMNO,POLNO,IFNO");
|
---|
[1819] | 3829 | }
|
---|
| 3830 | }
|
---|
| 3831 | else {
|
---|
| 3832 | // non-APEX fs data
|
---|
| 3833 | // sky scan
|
---|
[2580] | 3834 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::SKY ) ;
|
---|
| 3835 | out->attach() ;
|
---|
| 3836 | CountedPtr<Scantable> asky = averageWithinSession( out,
|
---|
| 3837 | masks,
|
---|
| 3838 | "TINT" ) ;
|
---|
[1819] | 3839 | STSelector sel = STSelector() ;
|
---|
[2580] | 3840 |
|
---|
[1819] | 3841 | // hot scan
|
---|
[2580] | 3842 | out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::HOT ) ;
|
---|
| 3843 | out->attach() ;
|
---|
| 3844 | CountedPtr<Scantable> ahot = averageWithinSession( out,
|
---|
| 3845 | masks,
|
---|
| 3846 | "TINT" ) ;
|
---|
[1819] | 3847 |
|
---|
| 3848 | // cold scan
|
---|
| 3849 | CountedPtr<Scantable> acold ;
|
---|
[2580] | 3850 | // out->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::COLD ) ;
|
---|
| 3851 | // out->attach() ;
|
---|
| 3852 | // CountedPtr<Scantable> acold = averageWithinSession( out,
|
---|
| 3853 | // masks,
|
---|
| 3854 | // "TINT" ) ;
|
---|
[1819] | 3855 |
|
---|
| 3856 | // ref scan
|
---|
| 3857 | bool insitu = insitu_ ;
|
---|
| 3858 | insitu_ = false ;
|
---|
| 3859 | sref = getScantable( s, true ) ;
|
---|
[2580] | 3860 | CountedPtr<Scantable> rref = getScantable( s, true ) ;
|
---|
[1819] | 3861 | insitu_ = insitu ;
|
---|
[2580] | 3862 | rref->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSOFF ) ;
|
---|
| 3863 | rref->attach() ;
|
---|
| 3864 | copyRows( sref->table_, rref->table_, 0, 0, rref->nrow(), False, True, False ) ;
|
---|
[1819] | 3865 |
|
---|
| 3866 | // sig scan
|
---|
| 3867 | insitu_ = false ;
|
---|
| 3868 | ssig = getScantable( s, true ) ;
|
---|
[2580] | 3869 | CountedPtr<Scantable> rsig = getScantable( s, true ) ;
|
---|
[1819] | 3870 | insitu_ = insitu ;
|
---|
[2580] | 3871 | rsig->table_ = s->table_( s->table_.col("SRCTYPE") == (Int)SrcType::PSON ) ;
|
---|
| 3872 | rsig->attach() ;
|
---|
| 3873 | copyRows( ssig->table_, rsig->table_, 0, 0, rsig->nrow(), False, True, False ) ;
|
---|
[1819] | 3874 |
|
---|
| 3875 | // process each sig and ref scan
|
---|
[2580] | 3876 | vector<string> cols( 3 ) ;
|
---|
| 3877 | cols[0] = "BEAMNO" ;
|
---|
| 3878 | cols[1] = "POLNO" ;
|
---|
| 3879 | cols[2] = "IFNO" ;
|
---|
[2916] | 3880 | STIdxIter2 iter(ssig, cols);
|
---|
| 3881 | while ( !iter.pastEnd() ) {
|
---|
| 3882 | Record ids = iter.currentValue() ;
|
---|
[2580] | 3883 | stringstream ss ;
|
---|
| 3884 | ss << "SELECT FROM $1 WHERE "
|
---|
[2916] | 3885 | << "BEAMNO==" << ids.asuInt("BEAMNO") << "&&"
|
---|
| 3886 | << "POLNO==" << ids.asuInt("POLNO") << "&&"
|
---|
| 3887 | << "IFNO==" << ids.asuInt("IFNO") ;
|
---|
[2580] | 3888 | //cout << "TaQL string: " << ss.str() << endl ;
|
---|
| 3889 | sel.setTaQL( ss.str() ) ;
|
---|
| 3890 | ahot->setSelection( sel ) ;
|
---|
[1819] | 3891 | asky->setSelection( sel ) ;
|
---|
[2916] | 3892 | Vector<uInt> rows = iter.getRows( SHARE ) ;
|
---|
[2580] | 3893 | // out should be an exact copy of s except that SPECTRA column is empty
|
---|
| 3894 | calibrateFS( ssig, sref, rsig, rref, asky, ahot, acold, rows ) ;
|
---|
| 3895 | ahot->unsetSelection() ;
|
---|
[1819] | 3896 | asky->unsetSelection() ;
|
---|
| 3897 | sel.reset() ;
|
---|
[2916] | 3898 | iter.next() ;
|
---|
[1819] | 3899 | }
|
---|
| 3900 | }
|
---|
| 3901 |
|
---|
| 3902 | // do folding if necessary
|
---|
| 3903 | Table sigtab = ssig->table() ;
|
---|
| 3904 | Table reftab = sref->table() ;
|
---|
| 3905 | ScalarColumn<uInt> reffidCol ;
|
---|
| 3906 | Int nchan = (Int)ssig->nchan() ;
|
---|
| 3907 | reffidCol.attach( reftab, "FREQ_ID" ) ;
|
---|
[2580] | 3908 | Vector<uInt> sfids = ssig->mfreqidCol_.getColumn() ;
|
---|
| 3909 | Vector<uInt> rfids = sref->mfreqidCol_.getColumn() ;
|
---|
[1819] | 3910 | vector<uInt> sfids_unique ;
|
---|
| 3911 | vector<uInt> rfids_unique ;
|
---|
| 3912 | vector<uInt> sifno_unique ;
|
---|
| 3913 | vector<uInt> rifno_unique ;
|
---|
| 3914 | for ( uInt i = 0 ; i < sfids.nelements() ; i++ ) {
|
---|
| 3915 | if ( count( sfids_unique.begin(), sfids_unique.end(), sfids[i] ) == 0 ) {
|
---|
| 3916 | sfids_unique.push_back( sfids[i] ) ;
|
---|
| 3917 | sifno_unique.push_back( ssig->getIF( i ) ) ;
|
---|
| 3918 | }
|
---|
| 3919 | if ( count( rfids_unique.begin(), rfids_unique.end(), rfids[i] ) == 0 ) {
|
---|
| 3920 | rfids_unique.push_back( rfids[i] ) ;
|
---|
| 3921 | rifno_unique.push_back( sref->getIF( i ) ) ;
|
---|
| 3922 | }
|
---|
| 3923 | }
|
---|
| 3924 | double refpix_sig, refval_sig, increment_sig ;
|
---|
| 3925 | double refpix_ref, refval_ref, increment_ref ;
|
---|
| 3926 | vector< CountedPtr<Scantable> > tmp( sfids_unique.size() ) ;
|
---|
| 3927 | for ( uInt i = 0 ; i < sfids_unique.size() ; i++ ) {
|
---|
| 3928 | ssig->frequencies().getEntry( refpix_sig, refval_sig, increment_sig, sfids_unique[i] ) ;
|
---|
| 3929 | sref->frequencies().getEntry( refpix_ref, refval_ref, increment_ref, rfids_unique[i] ) ;
|
---|
| 3930 | if ( refpix_sig == refpix_ref ) {
|
---|
| 3931 | double foffset = refval_ref - refval_sig ;
|
---|
| 3932 | int choffset = static_cast<int>(foffset/increment_sig) ;
|
---|
| 3933 | double doffset = foffset / increment_sig ;
|
---|
| 3934 | if ( abs(choffset) >= nchan ) {
|
---|
| 3935 | LogIO os( LogOrigin( "STMath", "cwcalfs", WHERE ) ) ;
|
---|
| 3936 | os << "FREQ_ID=[" << sfids_unique[i] << "," << rfids_unique[i] << "]: out-band frequency switching, no folding" << LogIO::POST ;
|
---|
| 3937 | os << "Just return signal data" << LogIO::POST ;
|
---|
| 3938 | //std::vector< CountedPtr<Scantable> > tabs ;
|
---|
| 3939 | //tabs.push_back( ssig ) ;
|
---|
| 3940 | //tabs.push_back( sref ) ;
|
---|
| 3941 | //out = merge( tabs ) ;
|
---|
| 3942 | tmp[i] = ssig ;
|
---|
| 3943 | }
|
---|
| 3944 | else {
|
---|
| 3945 | STSelector sel = STSelector() ;
|
---|
| 3946 | vector<int> v( 1, sifno_unique[i] ) ;
|
---|
| 3947 | sel.setIFs( v ) ;
|
---|
| 3948 | ssig->setSelection( sel ) ;
|
---|
| 3949 | sel.reset() ;
|
---|
| 3950 | v[0] = rifno_unique[i] ;
|
---|
| 3951 | sel.setIFs( v ) ;
|
---|
| 3952 | sref->setSelection( sel ) ;
|
---|
| 3953 | sel.reset() ;
|
---|
| 3954 | if ( antname.find( "APEX" ) != string::npos ) {
|
---|
| 3955 | tmp[i] = dofold( ssig, sref, 0.5*doffset, -0.5*doffset ) ;
|
---|
| 3956 | //tmp[i] = dofold( ssig, sref, doffset ) ;
|
---|
| 3957 | }
|
---|
| 3958 | else {
|
---|
| 3959 | tmp[i] = dofold( ssig, sref, doffset ) ;
|
---|
| 3960 | }
|
---|
| 3961 | ssig->unsetSelection() ;
|
---|
| 3962 | sref->unsetSelection() ;
|
---|
| 3963 | }
|
---|
| 3964 | }
|
---|
| 3965 | }
|
---|
| 3966 |
|
---|
| 3967 | if ( tmp.size() > 1 ) {
|
---|
| 3968 | out = merge( tmp ) ;
|
---|
| 3969 | }
|
---|
| 3970 | else {
|
---|
| 3971 | out = tmp[0] ;
|
---|
| 3972 | }
|
---|
| 3973 |
|
---|
| 3974 | // flux unit
|
---|
| 3975 | out->setFluxUnit( "K" ) ;
|
---|
| 3976 |
|
---|
| 3977 | return out ;
|
---|
| 3978 | }
|
---|
| 3979 |
|
---|
| 3980 | CountedPtr<Scantable> STMath::almacalfs( const CountedPtr<Scantable>& s )
|
---|
| 3981 | {
|
---|
[2163] | 3982 | (void) s; //currently unused
|
---|
[1819] | 3983 | CountedPtr<Scantable> out ;
|
---|
| 3984 |
|
---|
| 3985 | return out ;
|
---|
| 3986 | }
|
---|
| 3987 |
|
---|
[2580] | 3988 | void STMath::calibrateAPEXFS( CountedPtr<Scantable> &sig,
|
---|
| 3989 | CountedPtr<Scantable> &ref,
|
---|
| 3990 | const vector< CountedPtr<Scantable> >& on,
|
---|
| 3991 | const vector< CountedPtr<Scantable> >& sky,
|
---|
| 3992 | const vector< CountedPtr<Scantable> >& hot,
|
---|
| 3993 | const vector< CountedPtr<Scantable> >& cold,
|
---|
| 3994 | const Vector<uInt> &rows )
|
---|
| 3995 | {
|
---|
| 3996 | // if rows is empty, just return
|
---|
| 3997 | if ( rows.nelements() == 0 )
|
---|
| 3998 | return ;
|
---|
| 3999 | ROScalarColumn<Double> timeCol( sky[0]->table(), "TIME" ) ;
|
---|
| 4000 | Vector<Double> timeSkyS = timeCol.getColumn() ;
|
---|
| 4001 | timeCol.attach( sky[1]->table(), "TIME" ) ;
|
---|
| 4002 | Vector<Double> timeSkyR = timeCol.getColumn() ;
|
---|
| 4003 | timeCol.attach( hot[0]->table(), "TIME" ) ;
|
---|
| 4004 | Vector<Double> timeHotS = timeCol.getColumn() ;
|
---|
| 4005 | timeCol.attach( hot[1]->table(), "TIME" ) ;
|
---|
| 4006 | Vector<Double> timeHotR = timeCol.getColumn() ;
|
---|
| 4007 | timeCol.attach( sig->table(), "TIME" ) ;
|
---|
| 4008 | ROScalarColumn<Double> timeCol2( ref->table(), "TIME" ) ;
|
---|
| 4009 | ROArrayColumn<Float> arrayFloatCol( sky[0]->table(), "SPECTRA" ) ;
|
---|
[2917] | 4010 | SpectralData skyspectraS(arrayFloatCol.getColumn());
|
---|
[2580] | 4011 | arrayFloatCol.attach( sky[1]->table(), "SPECTRA" ) ;
|
---|
[2917] | 4012 | SpectralData skyspectraR(arrayFloatCol.getColumn());
|
---|
[2580] | 4013 | arrayFloatCol.attach( hot[0]->table(), "SPECTRA" ) ;
|
---|
[2917] | 4014 | SpectralData hotspectraS(arrayFloatCol.getColumn());
|
---|
[2580] | 4015 | arrayFloatCol.attach( hot[1]->table(), "SPECTRA" ) ;
|
---|
[2917] | 4016 | SpectralData hotspectraR(arrayFloatCol.getColumn());
|
---|
| 4017 | TcalData tcaldataS(sky[0]);
|
---|
| 4018 | TsysData tsysdataS(sky[0]);
|
---|
| 4019 | TcalData tcaldataR(sky[1]);
|
---|
| 4020 | TsysData tsysdataR(sky[1]);
|
---|
[2580] | 4021 | unsigned int spsize = sig->nchan( sig->getIF(rows[0]) ) ;
|
---|
| 4022 | Vector<Float> spec( spsize ) ;
|
---|
| 4023 | // I know that the data is contiguous
|
---|
| 4024 | const uInt *p = rows.data() ;
|
---|
| 4025 | vector<int> ids( 2 ) ;
|
---|
| 4026 | Block<uInt> flagchan( spsize ) ;
|
---|
| 4027 | uInt nflag = 0 ;
|
---|
| 4028 | for ( int irow = 0 ; irow < rows.nelements() ; irow++ ) {
|
---|
| 4029 | double reftime = timeCol.asdouble(*p) ;
|
---|
| 4030 | ids = getRowIdFromTime( reftime, timeSkyS ) ;
|
---|
[2917] | 4031 | Vector<Float> spskyS = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeSkyS, ids, skyspectraS, "linear");
|
---|
| 4032 | Vector<Float> tcalS = SimpleInterpolationHelper<TcalData>::GetFromTime(reftime, timeSkyS, ids, tcaldataS, "linear");
|
---|
| 4033 | Vector<Float> tsysS = SimpleInterpolationHelper<TsysData>::GetFromTime(reftime, timeSkyS, ids, tsysdataS, "linear");
|
---|
[2580] | 4034 | ids = getRowIdFromTime( reftime, timeHotS ) ;
|
---|
[2917] | 4035 | Vector<Float> sphotS = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeHotS, ids, hotspectraS, "linear");
|
---|
[2580] | 4036 | reftime = timeCol2.asdouble(*p) ;
|
---|
| 4037 | ids = getRowIdFromTime( reftime, timeSkyR ) ;
|
---|
[2917] | 4038 | Vector<Float> spskyR = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeSkyR, ids, skyspectraR, "linear");
|
---|
| 4039 | Vector<Float> tcalR = SimpleInterpolationHelper<TcalData>::GetFromTime(reftime, timeSkyR, ids, tcaldataR, "linear");
|
---|
| 4040 | Vector<Float> tsysR = SimpleInterpolationHelper<TsysData>::GetFromTime(reftime, timeSkyR, ids, tsysdataR, "linear");
|
---|
[2580] | 4041 | ids = getRowIdFromTime( reftime, timeHotR ) ;
|
---|
[2917] | 4042 | Vector<Float> sphotR = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeHotR, ids, hotspectraR, "linear");
|
---|
[2580] | 4043 | Vector<Float> spsig = on[0]->specCol_( *p ) ;
|
---|
| 4044 | Vector<Float> spref = on[1]->specCol_( *p ) ;
|
---|
| 4045 | for ( unsigned int j = 0 ; j < spsize ; j++ ) {
|
---|
| 4046 | if ( (sphotS[j]-spskyS[j]) == 0.0 || (sphotR[j]-spskyR[j]) == 0.0 ) {
|
---|
| 4047 | spec[j] = 0.0 ;
|
---|
| 4048 | flagchan[nflag++] = j ;
|
---|
| 4049 | }
|
---|
| 4050 | else {
|
---|
| 4051 | spec[j] = tcalS[j] * spsig[j] / ( sphotS[j] - spskyS[j] )
|
---|
| 4052 | - tcalR[j] * spref[j] / ( sphotR[j] - spskyR[j] ) ;
|
---|
| 4053 | }
|
---|
| 4054 | }
|
---|
| 4055 | sig->specCol_.put( *p, spec ) ;
|
---|
| 4056 | sig->tsysCol_.put( *p, tsysS ) ;
|
---|
| 4057 | spec *= (Float)-1.0 ;
|
---|
| 4058 | ref->specCol_.put( *p, spec ) ;
|
---|
| 4059 | ref->tsysCol_.put( *p, tsysR ) ;
|
---|
| 4060 | if ( nflag > 0 ) {
|
---|
| 4061 | Vector<uChar> flsig = sig->flagsCol_( *p ) ;
|
---|
| 4062 | Vector<uChar> flref = ref->flagsCol_( *p ) ;
|
---|
| 4063 | for ( unsigned int j = 0 ; j < nflag ; j++ ) {
|
---|
| 4064 | flsig[flagchan[j]] = (uChar)True ;
|
---|
| 4065 | flref[flagchan[j]] = (uChar)True ;
|
---|
| 4066 | }
|
---|
| 4067 | sig->flagsCol_.put( *p, flsig ) ;
|
---|
| 4068 | ref->flagsCol_.put( *p, flref ) ;
|
---|
| 4069 | }
|
---|
| 4070 | nflag = 0 ;
|
---|
| 4071 | p++ ;
|
---|
| 4072 | }
|
---|
[1819] | 4073 | }
|
---|
| 4074 |
|
---|
[2580] | 4075 | void STMath::calibrateFS( CountedPtr<Scantable> &sig,
|
---|
| 4076 | CountedPtr<Scantable> &ref,
|
---|
| 4077 | const CountedPtr<Scantable>& rsig,
|
---|
| 4078 | const CountedPtr<Scantable>& rref,
|
---|
| 4079 | const CountedPtr<Scantable>& sky,
|
---|
| 4080 | const CountedPtr<Scantable>& hot,
|
---|
| 4081 | const CountedPtr<Scantable>& cold,
|
---|
| 4082 | const Vector<uInt> &rows )
|
---|
[1819] | 4083 | {
|
---|
[2580] | 4084 | // if rows is empty, just return
|
---|
| 4085 | if ( rows.nelements() == 0 )
|
---|
| 4086 | return ;
|
---|
| 4087 | ROScalarColumn<Double> timeCol( sky->table(), "TIME" ) ;
|
---|
| 4088 | Vector<Double> timeSky = timeCol.getColumn() ;
|
---|
| 4089 | timeCol.attach( hot->table(), "TIME" ) ;
|
---|
| 4090 | Vector<Double> timeHot = timeCol.getColumn() ;
|
---|
| 4091 | timeCol.attach( sig->table(), "TIME" ) ;
|
---|
| 4092 | ROScalarColumn<Double> timeCol2( ref->table(), "TIME" ) ;
|
---|
| 4093 | ROArrayColumn<Float> arrayFloatCol( sky->table(), "SPECTRA" ) ;
|
---|
[2917] | 4094 | SpectralData skyspectra(arrayFloatCol.getColumn());
|
---|
[2580] | 4095 | arrayFloatCol.attach( hot->table(), "SPECTRA" ) ;
|
---|
[2917] | 4096 | SpectralData hotspectra(arrayFloatCol.getColumn());
|
---|
| 4097 | TcalData tcaldata(sky);
|
---|
| 4098 | TsysData tsysdata(sky);
|
---|
[2580] | 4099 | unsigned int spsize = sig->nchan( sig->getIF(rows[0]) ) ;
|
---|
| 4100 | Vector<Float> spec( spsize ) ;
|
---|
| 4101 | // I know that the data is contiguous
|
---|
| 4102 | const uInt *p = rows.data() ;
|
---|
| 4103 | vector<int> ids( 2 ) ;
|
---|
| 4104 | Block<uInt> flagchan( spsize ) ;
|
---|
| 4105 | uInt nflag = 0 ;
|
---|
| 4106 | for ( int irow = 0 ; irow < rows.nelements() ; irow++ ) {
|
---|
| 4107 | double reftime = timeCol.asdouble(*p) ;
|
---|
| 4108 | ids = getRowIdFromTime( reftime, timeSky ) ;
|
---|
[2917] | 4109 | Vector<Float> spsky = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeSky, ids, skyspectra, "linear");
|
---|
| 4110 | Vector<Float> tcal = SimpleInterpolationHelper<TcalData>::GetFromTime(reftime, timeSky, ids, tcaldata, "linear");
|
---|
| 4111 | Vector<Float> tsys = SimpleInterpolationHelper<TsysData>::GetFromTime(reftime, timeSky, ids, tsysdata, "linear");
|
---|
[2580] | 4112 | ids = getRowIdFromTime( reftime, timeHot ) ;
|
---|
[2917] | 4113 | Vector<Float> sphot = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeHot, ids, hotspectra, "linear");
|
---|
[2580] | 4114 | Vector<Float> spsig = rsig->specCol_( *p ) ;
|
---|
| 4115 | Vector<Float> spref = rref->specCol_( *p ) ;
|
---|
| 4116 | // using gain array
|
---|
| 4117 | for ( unsigned int j = 0 ; j < spsize ; j++ ) {
|
---|
| 4118 | if ( spref[j] == 0.0 || (sphot[j]-spsky[j]) == 0.0 ) {
|
---|
| 4119 | spec[j] = 0.0 ;
|
---|
| 4120 | flagchan[nflag++] = j ;
|
---|
| 4121 | }
|
---|
| 4122 | else {
|
---|
| 4123 | spec[j] = ( ( spsig[j] - spref[j] ) / spref[j] )
|
---|
| 4124 | * ( spsky[j] / ( sphot[j] - spsky[j] ) ) * tcal[j] ;
|
---|
| 4125 | }
|
---|
| 4126 | }
|
---|
| 4127 | sig->specCol_.put( *p, spec ) ;
|
---|
| 4128 | sig->tsysCol_.put( *p, tsys ) ;
|
---|
| 4129 | if ( nflag > 0 ) {
|
---|
| 4130 | Vector<uChar> fl = sig->flagsCol_( *p ) ;
|
---|
| 4131 | for ( unsigned int j = 0 ; j < nflag ; j++ ) {
|
---|
| 4132 | fl[flagchan[j]] = (uChar)True ;
|
---|
| 4133 | }
|
---|
| 4134 | sig->flagsCol_.put( *p, fl ) ;
|
---|
| 4135 | }
|
---|
| 4136 | nflag = 0 ;
|
---|
| 4137 |
|
---|
| 4138 | reftime = timeCol2.asdouble(*p) ;
|
---|
[2917] | 4139 | ids = getRowIdFromTime( reftime, timeSky ) ;
|
---|
| 4140 | spsky = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeSky, ids, skyspectra, "linear");
|
---|
| 4141 | tcal = SimpleInterpolationHelper<TcalData>::GetFromTime(reftime, timeSky, ids, tcaldata, "linear");
|
---|
| 4142 | tsys = SimpleInterpolationHelper<TsysData>::GetFromTime(reftime, timeSky, ids, tsysdata, "linear");
|
---|
[2580] | 4143 | ids = getRowIdFromTime( reftime, timeHot ) ;
|
---|
[2917] | 4144 | sphot = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeHot, ids, hotspectra, "linear");
|
---|
[2580] | 4145 | // using gain array
|
---|
| 4146 | for ( unsigned int j = 0 ; j < spsize ; j++ ) {
|
---|
| 4147 | if ( spsig[j] == 0.0 || (sphot[j]-spsky[j]) == 0.0 ) {
|
---|
| 4148 | spec[j] = 0.0 ;
|
---|
| 4149 | flagchan[nflag++] = j ;
|
---|
| 4150 | }
|
---|
| 4151 | else {
|
---|
| 4152 | spec[j] = ( ( spref[j] - spsig[j] ) / spsig[j] )
|
---|
| 4153 | * ( spsky[j] / ( sphot[j] - spsky[j] ) ) * tcal[j] ;
|
---|
| 4154 | }
|
---|
| 4155 | }
|
---|
| 4156 | ref->specCol_.put( *p, spec ) ;
|
---|
| 4157 | ref->tsysCol_.put( *p, tsys ) ;
|
---|
| 4158 | if ( nflag > 0 ) {
|
---|
| 4159 | Vector<uChar> fl = ref->flagsCol_( *p ) ;
|
---|
| 4160 | for ( unsigned int j = 0 ; j < nflag ; j++ ) {
|
---|
| 4161 | fl[flagchan[j]] = (uChar)True ;
|
---|
| 4162 | }
|
---|
| 4163 | ref->flagsCol_.put( *p, fl ) ;
|
---|
| 4164 | }
|
---|
| 4165 | nflag = 0 ;
|
---|
| 4166 | p++ ;
|
---|
[1819] | 4167 | }
|
---|
| 4168 | }
|
---|
| 4169 |
|
---|
[2580] | 4170 | void STMath::copyRows( Table &out,
|
---|
| 4171 | const Table &in,
|
---|
| 4172 | uInt startout,
|
---|
| 4173 | uInt startin,
|
---|
| 4174 | uInt nrow,
|
---|
| 4175 | Bool copySpectra,
|
---|
| 4176 | Bool copyFlagtra,
|
---|
| 4177 | Bool copyTsys )
|
---|
[1819] | 4178 | {
|
---|
[2580] | 4179 | uInt nexclude = 0 ;
|
---|
| 4180 | Block<String> excludeColsBlock( 3 ) ;
|
---|
| 4181 | if ( !copySpectra ) {
|
---|
| 4182 | excludeColsBlock[nexclude] = "SPECTRA" ;
|
---|
| 4183 | nexclude++ ;
|
---|
[1819] | 4184 | }
|
---|
[2580] | 4185 | if ( !copyFlagtra ) {
|
---|
| 4186 | excludeColsBlock[nexclude] = "FLAGTRA" ;
|
---|
| 4187 | nexclude++ ;
|
---|
| 4188 | }
|
---|
| 4189 | if ( !copyTsys ) {
|
---|
| 4190 | excludeColsBlock[nexclude] = "TSYS" ;
|
---|
| 4191 | nexclude++ ;
|
---|
| 4192 | }
|
---|
| 4193 | // if ( nexclude < 3 ) {
|
---|
| 4194 | // excludeCols.resize( nexclude, True ) ;
|
---|
| 4195 | // }
|
---|
| 4196 | Vector<String> excludeCols( IPosition(1,nexclude),
|
---|
| 4197 | excludeColsBlock.storage(),
|
---|
| 4198 | SHARE ) ;
|
---|
| 4199 | // cout << "excludeCols=" << excludeCols << endl ;
|
---|
| 4200 | TableRow rowout( out, excludeCols, True ) ;
|
---|
| 4201 | ROTableRow rowin( in, excludeCols, True ) ;
|
---|
| 4202 | uInt rin = startin ;
|
---|
| 4203 | uInt rout = startout ;
|
---|
| 4204 | for ( uInt i = 0 ; i < nrow ; i++ ) {
|
---|
| 4205 | rowin.get( rin ) ;
|
---|
| 4206 | rowout.putMatchingFields( rout, rowin.record() ) ;
|
---|
| 4207 | rin++ ;
|
---|
| 4208 | rout++ ;
|
---|
| 4209 | }
|
---|
[1819] | 4210 | }
|
---|
| 4211 |
|
---|
[2580] | 4212 | CountedPtr<Scantable> STMath::averageWithinSession( CountedPtr<Scantable> &s,
|
---|
| 4213 | vector<bool> &mask,
|
---|
| 4214 | string weight )
|
---|
[1819] | 4215 | {
|
---|
[2580] | 4216 | // prepare output table
|
---|
| 4217 | bool insitu = insitu_ ;
|
---|
| 4218 | insitu_ = false ;
|
---|
| 4219 | CountedPtr<Scantable> a = getScantable( s, true ) ;
|
---|
| 4220 | insitu_ = insitu ;
|
---|
| 4221 | Table &atab = a->table() ;
|
---|
| 4222 | ScalarColumn<Double> timeColOut( atab, "TIME" ) ;
|
---|
| 4223 |
|
---|
| 4224 | if ( s->nrow() == 0 )
|
---|
| 4225 | return a ;
|
---|
| 4226 |
|
---|
| 4227 | // setup RowAccumulator
|
---|
| 4228 | WeightType wtype = stringToWeight( weight ) ;
|
---|
| 4229 | RowAccumulator acc( wtype ) ;
|
---|
| 4230 | Vector<Bool> cmask( mask ) ;
|
---|
| 4231 | acc.setUserMask( cmask ) ;
|
---|
| 4232 |
|
---|
| 4233 | vector<string> cols( 3 ) ;
|
---|
| 4234 | cols[0] = "IFNO" ;
|
---|
| 4235 | cols[1] = "POLNO" ;
|
---|
| 4236 | cols[2] = "BEAMNO" ;
|
---|
[2916] | 4237 | STIdxIter2 iter( s, cols ) ;
|
---|
[2580] | 4238 |
|
---|
| 4239 | Table ttab = s->table() ;
|
---|
| 4240 | ROScalarColumn<Double> *timeCol = new ROScalarColumn<Double>( ttab, "TIME" ) ;
|
---|
| 4241 | Vector<Double> timeVec = timeCol->getColumn() ;
|
---|
| 4242 | delete timeCol ;
|
---|
| 4243 | Vector<Double> interval = s->integrCol_.getColumn() ;
|
---|
| 4244 | uInt nrow = timeVec.nelements() ;
|
---|
| 4245 | uInt outrow = 0 ;
|
---|
| 4246 |
|
---|
| 4247 | while( !iter.pastEnd() ) {
|
---|
| 4248 |
|
---|
| 4249 | Vector<uInt> rows = iter.getRows( SHARE ) ;
|
---|
[2612] | 4250 | uInt len = rows.nelements() ;
|
---|
[2580] | 4251 |
|
---|
[2612] | 4252 | if ( len == 0 ) {
|
---|
| 4253 | iter.next() ;
|
---|
| 4254 | continue ;
|
---|
| 4255 | }
|
---|
| 4256 |
|
---|
[2580] | 4257 | uInt nchan = s->nchan(s->getIF(rows[0])) ;
|
---|
| 4258 | Vector<uChar> flag( nchan ) ;
|
---|
| 4259 | Vector<Bool> bflag( nchan ) ;
|
---|
| 4260 | Vector<Float> spec( nchan ) ;
|
---|
| 4261 | Vector<Float> tsys( nchan ) ;
|
---|
| 4262 |
|
---|
| 4263 | Vector<Double> timeSep( len-1 ) ;
|
---|
| 4264 | for ( uInt i = 0 ; i < len-1 ; i++ ) {
|
---|
| 4265 | timeSep[i] = timeVec[rows[i+1]] - timeVec[rows[i]] ;
|
---|
| 4266 | }
|
---|
| 4267 |
|
---|
| 4268 | uInt irow ;
|
---|
| 4269 | uInt jrow ;
|
---|
| 4270 | for ( uInt i = 0 ; i < len-1 ; i++ ) {
|
---|
| 4271 | irow = rows[i] ;
|
---|
| 4272 | jrow = rows[i+1] ;
|
---|
| 4273 | // accumulate data
|
---|
| 4274 | s->flagsCol_.get( irow, flag ) ;
|
---|
[2978] | 4275 | //if row-flagged, all channels set flagged
|
---|
| 4276 | if (s->getFlagRow(irow)) {
|
---|
| 4277 | for (uInt k = 0; k < nchan; ++k) {
|
---|
| 4278 | flag(k) = 1 << 7;
|
---|
| 4279 | }
|
---|
| 4280 | }
|
---|
[2580] | 4281 | convertArray( bflag, flag ) ;
|
---|
| 4282 | s->specCol_.get( irow, spec ) ;
|
---|
| 4283 | tsys.assign( s->tsysCol_( irow ) ) ;
|
---|
[2978] | 4284 | //if ( !allEQ(bflag,True) )
|
---|
| 4285 | acc.add( spec, !bflag, tsys, interval[irow], timeVec[irow] ) ;
|
---|
[2580] | 4286 | double gap = 2.0 * 86400.0 * timeSep[i] / ( interval[jrow] + interval[irow] ) ;
|
---|
| 4287 | //cout << "gap[" << i << "]=" << setw(5) << gap << endl ;
|
---|
| 4288 | if ( gap > 1.1 ) {
|
---|
| 4289 | //cout << "detected gap between " << i << " and " << i+1 << endl ;
|
---|
| 4290 | // put data to output table
|
---|
| 4291 | // reset RowAccumulator
|
---|
| 4292 | if ( acc.state() ) {
|
---|
| 4293 | atab.addRow() ;
|
---|
| 4294 | copyRows( atab, ttab, outrow, irow, 1, False, False, False ) ;
|
---|
| 4295 | acc.replaceNaN() ;
|
---|
| 4296 | const Vector<Bool> &msk = acc.getMask() ;
|
---|
| 4297 | convertArray( flag, !msk ) ;
|
---|
| 4298 | for (uInt k = 0; k < nchan; ++k) {
|
---|
| 4299 | uChar userFlag = 1 << 7;
|
---|
| 4300 | if (msk[k]==True) userFlag = 0 << 7;
|
---|
| 4301 | flag(k) = userFlag;
|
---|
| 4302 | }
|
---|
| 4303 | a->flagsCol_.put( outrow, flag ) ;
|
---|
| 4304 | a->specCol_.put( outrow, acc.getSpectrum() ) ;
|
---|
| 4305 | a->tsysCol_.put( outrow, acc.getTsys() ) ;
|
---|
| 4306 | a->integrCol_.put( outrow, acc.getInterval() ) ;
|
---|
| 4307 | timeColOut.put( outrow, acc.getTime() ) ;
|
---|
| 4308 | a->cycleCol_.put( outrow, 0 ) ;
|
---|
| 4309 | }
|
---|
| 4310 | acc.reset() ;
|
---|
| 4311 | outrow++ ;
|
---|
| 4312 | }
|
---|
| 4313 | }
|
---|
| 4314 |
|
---|
| 4315 | // accumulate and add last data
|
---|
| 4316 | irow = rows[len-1] ;
|
---|
| 4317 | s->flagsCol_.get( irow, flag ) ;
|
---|
[2978] | 4318 | //if row-flagged, all channels set flagged
|
---|
| 4319 | if (s->getFlagRow(irow)) {
|
---|
| 4320 | for (uInt k = 0; k < nchan; ++k) {
|
---|
| 4321 | flag(k) = 1 << 7;
|
---|
| 4322 | }
|
---|
| 4323 | }
|
---|
[2580] | 4324 | convertArray( bflag, flag ) ;
|
---|
| 4325 | s->specCol_.get( irow, spec ) ;
|
---|
| 4326 | tsys.assign( s->tsysCol_( irow ) ) ;
|
---|
[2978] | 4327 | //if (!allEQ(bflag,True) )
|
---|
| 4328 | acc.add( spec, !bflag, tsys, interval[irow], timeVec[irow] ) ;
|
---|
[2580] | 4329 | if ( acc.state() ) {
|
---|
| 4330 | atab.addRow() ;
|
---|
| 4331 | copyRows( atab, ttab, outrow, irow, 1, False, False, False ) ;
|
---|
| 4332 | acc.replaceNaN() ;
|
---|
| 4333 | const Vector<Bool> &msk = acc.getMask() ;
|
---|
| 4334 | convertArray( flag, !msk ) ;
|
---|
| 4335 | for (uInt k = 0; k < nchan; ++k) {
|
---|
| 4336 | uChar userFlag = 1 << 7;
|
---|
| 4337 | if (msk[k]==True) userFlag = 0 << 7;
|
---|
| 4338 | flag(k) = userFlag;
|
---|
| 4339 | }
|
---|
| 4340 | a->flagsCol_.put( outrow, flag ) ;
|
---|
| 4341 | a->specCol_.put( outrow, acc.getSpectrum() ) ;
|
---|
| 4342 | a->tsysCol_.put( outrow, acc.getTsys() ) ;
|
---|
| 4343 | a->integrCol_.put( outrow, acc.getInterval() ) ;
|
---|
| 4344 | timeColOut.put( outrow, acc.getTime() ) ;
|
---|
| 4345 | a->cycleCol_.put( outrow, 0 ) ;
|
---|
| 4346 | }
|
---|
| 4347 | acc.reset() ;
|
---|
| 4348 | outrow++ ;
|
---|
| 4349 |
|
---|
| 4350 | iter.next() ;
|
---|
[1819] | 4351 | }
|
---|
| 4352 |
|
---|
[2580] | 4353 | return a ;
|
---|
[1819] | 4354 | }
|
---|