[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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[330] | 13 | #include <casa/iomanip.h>
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[805] | 14 | #include <casa/Exceptions/Error.h>
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| 15 | #include <casa/Containers/Block.h>
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[81] | 16 | #include <casa/BasicSL/String.h>
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[805] | 17 | #include <casa/Arrays/MaskArrLogi.h>
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| 18 | #include <casa/Arrays/MaskArrMath.h>
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| 19 | #include <casa/Arrays/ArrayLogical.h>
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[81] | 20 | #include <casa/Arrays/ArrayMath.h>
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[1066] | 21 | #include <casa/Arrays/Slice.h>
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| 22 | #include <casa/Arrays/Slicer.h>
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[805] | 23 | #include <casa/Containers/RecordField.h>
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| 24 | #include <tables/Tables/TableRow.h>
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| 25 | #include <tables/Tables/TableVector.h>
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[917] | 26 | #include <tables/Tables/TabVecMath.h>
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[805] | 27 | #include <tables/Tables/ExprNode.h>
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| 28 | #include <tables/Tables/TableRecord.h>
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[1140] | 29 | #include <tables/Tables/TableParse.h>
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[805] | 30 | #include <tables/Tables/ReadAsciiTable.h>
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[1140] | 31 | #include <tables/Tables/TableIter.h>
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| 32 | #include <tables/Tables/TableCopy.h>
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[1192] | 33 | #include <scimath/Mathematics/FFTServer.h>
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[2] | 34 |
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[262] | 35 | #include <lattices/Lattices/LatticeUtilities.h>
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| 36 |
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[917] | 37 | #include <coordinates/Coordinates/SpectralCoordinate.h>
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| 38 | #include <coordinates/Coordinates/CoordinateSystem.h>
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| 39 | #include <coordinates/Coordinates/CoordinateUtil.h>
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| 40 | #include <coordinates/Coordinates/FrequencyAligner.h>
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| 41 |
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[177] | 42 | #include <scimath/Mathematics/VectorKernel.h>
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| 43 | #include <scimath/Mathematics/Convolver.h>
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[234] | 44 | #include <scimath/Functionals/Polynomial.h>
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[177] | 45 |
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[1616] | 46 | #include <casa/Logging/LogIO.h>
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| 47 | #include <sstream>
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| 48 |
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[38] | 49 | #include "MathUtils.h"
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[805] | 50 | #include "RowAccumulator.h"
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[878] | 51 | #include "STAttr.h"
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[805] | 52 | #include "STMath.h"
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[1387] | 53 | #include "STSelector.h"
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[2] | 54 |
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[805] | 55 | using namespace casa;
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[2] | 56 |
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[83] | 57 | using namespace asap;
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[2] | 58 |
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[1607] | 59 | // tolerance for direction comparison (rad)
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[1611] | 60 | #define TOL_OTF 1.0e-15
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[1673] | 61 | #define TOL_POINT 2.9088821e-4 // 1 arcmin
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[1607] | 62 |
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[805] | 63 | STMath::STMath(bool insitu) :
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| 64 | insitu_(insitu)
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[716] | 65 | {
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| 66 | }
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[170] | 67 |
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| 68 |
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[805] | 69 | STMath::~STMath()
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[170] | 70 | {
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| 71 | }
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| 72 |
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[805] | 73 | CountedPtr<Scantable>
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[977] | 74 | STMath::average( const std::vector<CountedPtr<Scantable> >& in,
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[858] | 75 | const std::vector<bool>& mask,
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[805] | 76 | const std::string& weight,
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[977] | 77 | const std::string& avmode)
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[262] | 78 | {
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[1616] | 79 | LogIO os( LogOrigin( "STMath", "average()", WHERE ) ) ;
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[977] | 80 | if ( avmode == "SCAN" && in.size() != 1 )
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[1066] | 81 | throw(AipsError("Can't perform 'SCAN' averaging on multiple tables.\n"
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| 82 | "Use merge first."));
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[805] | 83 | WeightType wtype = stringToWeight(weight);
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[926] | 84 |
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[1607] | 85 | // check if OTF observation
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| 86 | String obstype = in[0]->getHeader().obstype ;
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[1611] | 87 | Double tol = 0.0 ;
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[1607] | 88 | if ( obstype.find( "OTF" ) != String::npos ) {
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[1611] | 89 | tol = TOL_OTF ;
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[1607] | 90 | }
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[1611] | 91 | else {
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| 92 | tol = TOL_POINT ;
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| 93 | }
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[1607] | 94 |
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[805] | 95 | // output
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| 96 | // clone as this is non insitu
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| 97 | bool insitu = insitu_;
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| 98 | setInsitu(false);
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[977] | 99 | CountedPtr< Scantable > out = getScantable(in[0], true);
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[805] | 100 | setInsitu(insitu);
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[977] | 101 | std::vector<CountedPtr<Scantable> >::const_iterator stit = in.begin();
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[862] | 102 | ++stit;
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[977] | 103 | while ( stit != in.end() ) {
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[862] | 104 | out->appendToHistoryTable((*stit)->history());
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| 105 | ++stit;
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| 106 | }
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[294] | 107 |
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[805] | 108 | Table& tout = out->table();
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[701] | 109 |
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[805] | 110 | /// @todo check if all scantables are conformant
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[294] | 111 |
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[805] | 112 | ArrayColumn<Float> specColOut(tout,"SPECTRA");
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| 113 | ArrayColumn<uChar> flagColOut(tout,"FLAGTRA");
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| 114 | ArrayColumn<Float> tsysColOut(tout,"TSYS");
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| 115 | ScalarColumn<Double> mjdColOut(tout,"TIME");
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| 116 | ScalarColumn<Double> intColOut(tout,"INTERVAL");
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[1008] | 117 | ScalarColumn<uInt> cycColOut(tout,"CYCLENO");
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[1145] | 118 | ScalarColumn<uInt> scanColOut(tout,"SCANNO");
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[262] | 119 |
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[805] | 120 | // set up the output table rows. These are based on the structure of the
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[862] | 121 | // FIRST scantable in the vector
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[977] | 122 | const Table& baset = in[0]->table();
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[262] | 123 |
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[805] | 124 | Block<String> cols(3);
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| 125 | cols[0] = String("BEAMNO");
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| 126 | cols[1] = String("IFNO");
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| 127 | cols[2] = String("POLNO");
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| 128 | if ( avmode == "SOURCE" ) {
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| 129 | cols.resize(4);
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| 130 | cols[3] = String("SRCNAME");
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[488] | 131 | }
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[977] | 132 | if ( avmode == "SCAN" && in.size() == 1) {
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[1459] | 133 | //cols.resize(4);
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| 134 | //cols[3] = String("SCANNO");
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| 135 | cols.resize(5);
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| 136 | cols[3] = String("SRCNAME");
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| 137 | cols[4] = String("SCANNO");
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[2] | 138 | }
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[805] | 139 | uInt outrowCount = 0;
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| 140 | TableIterator iter(baset, cols);
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[1609] | 141 | // int count = 0 ;
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[805] | 142 | while (!iter.pastEnd()) {
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| 143 | Table subt = iter.table();
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[1607] | 144 | // // copy the first row of this selection into the new table
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| 145 | // tout.addRow();
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| 146 | // TableCopy::copyRows(tout, subt, outrowCount, 0, 1);
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| 147 | // // re-index to 0
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| 148 | // if ( avmode != "SCAN" && avmode != "SOURCE" ) {
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| 149 | // scanColOut.put(outrowCount, uInt(0));
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| 150 | // }
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| 151 | // ++outrowCount;
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[1611] | 152 | MDirection::ScalarColumn dircol ;
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| 153 | dircol.attach( subt, "DIRECTION" ) ;
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| 154 | Int length = subt.nrow() ;
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| 155 | vector< Vector<Double> > dirs ;
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| 156 | vector<int> indexes ;
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| 157 | for ( Int i = 0 ; i < length ; i++ ) {
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| 158 | Vector<Double> t = dircol(i).getAngle(Unit(String("rad"))).getValue() ;
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[1616] | 159 | //os << << count++ << ": " ;
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| 160 | //os << "[" << t[0] << "," << t[1] << "]" << LogIO::POST ;
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[1611] | 161 | bool adddir = true ;
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| 162 | for ( uInt j = 0 ; j < dirs.size() ; j++ ) {
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| 163 | //if ( allTrue( t == dirs[j] ) ) {
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| 164 | Double dx = t[0] - dirs[j][0] ;
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| 165 | Double dy = t[1] - dirs[j][1] ;
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| 166 | Double dd = sqrt( dx * dx + dy * dy ) ;
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| 167 | //if ( allNearAbs( t, dirs[j], tol ) ) {
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| 168 | if ( dd <= tol ) {
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| 169 | adddir = false ;
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| 170 | break ;
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[1607] | 171 | }
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| 172 | }
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[1611] | 173 | if ( adddir ) {
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| 174 | dirs.push_back( t ) ;
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| 175 | indexes.push_back( i ) ;
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[1607] | 176 | }
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[1145] | 177 | }
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[1611] | 178 | uInt rowNum = dirs.size() ;
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| 179 | tout.addRow( rowNum ) ;
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| 180 | for ( uInt i = 0 ; i < rowNum ; i++ ) {
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| 181 | TableCopy::copyRows( tout, subt, outrowCount+i, indexes[i], 1 ) ;
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[1607] | 182 | // re-index to 0
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| 183 | if ( avmode != "SCAN" && avmode != "SOURCE" ) {
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[1611] | 184 | scanColOut.put(outrowCount+i, uInt(0));
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| 185 | }
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[1607] | 186 | }
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[1611] | 187 | outrowCount += rowNum ;
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[805] | 188 | ++iter;
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[144] | 189 | }
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[805] | 190 | RowAccumulator acc(wtype);
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[858] | 191 | Vector<Bool> cmask(mask);
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| 192 | acc.setUserMask(cmask);
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[805] | 193 | ROTableRow row(tout);
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| 194 | ROArrayColumn<Float> specCol, tsysCol;
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| 195 | ROArrayColumn<uChar> flagCol;
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| 196 | ROScalarColumn<Double> mjdCol, intCol;
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| 197 | ROScalarColumn<Int> scanIDCol;
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[144] | 198 |
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[1333] | 199 | Vector<uInt> rowstodelete;
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| 200 |
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[805] | 201 | for (uInt i=0; i < tout.nrow(); ++i) {
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[996] | 202 | for ( int j=0; j < int(in.size()); ++j ) {
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[977] | 203 | const Table& tin = in[j]->table();
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[805] | 204 | const TableRecord& rec = row.get(i);
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| 205 | ROScalarColumn<Double> tmp(tin, "TIME");
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| 206 | Double td;tmp.get(0,td);
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| 207 | Table basesubt = tin(tin.col("BEAMNO") == Int(rec.asuInt("BEAMNO"))
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| 208 | && tin.col("IFNO") == Int(rec.asuInt("IFNO"))
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| 209 | && tin.col("POLNO") == Int(rec.asuInt("POLNO")) );
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| 210 | Table subt;
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| 211 | if ( avmode == "SOURCE") {
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| 212 | subt = basesubt( basesubt.col("SRCNAME") == rec.asString("SRCNAME") );
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| 213 | } else if (avmode == "SCAN") {
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[1459] | 214 | //subt = basesubt( basesubt.col("SCANNO") == Int(rec.asuInt("SCANNO")) );
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| 215 | subt = basesubt( basesubt.col("SCANNO") == Int(rec.asuInt("SCANNO"))
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| 216 | && basesubt.col("SRCNAME") == rec.asString("SRCNAME") );
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[805] | 217 | } else {
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| 218 | subt = basesubt;
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| 219 | }
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[1611] | 220 |
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| 221 | vector<uInt> removeRows ;
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| 222 | uInt nrsubt = subt.nrow() ;
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| 223 | for ( uInt irow = 0 ; irow < nrsubt ; irow++ ) {
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| 224 | //if ( !allTrue((subt.col("DIRECTION").getArrayDouble(TableExprId(irow)))==rec.asArrayDouble("DIRECTION")) ) {
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| 225 | Vector<Double> x0 = (subt.col("DIRECTION").getArrayDouble(TableExprId(irow))) ;
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| 226 | Vector<Double> x1 = rec.asArrayDouble("DIRECTION") ;
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| 227 | double dx = x0[0] - x1[0] ;
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| 228 | double dy = x0[0] - x1[0] ;
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| 229 | Double dd = sqrt( dx * dx + dy * dy ) ;
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| 230 | //if ( !allNearAbs((subt.col("DIRECTION").getArrayDouble(TableExprId(irow))), rec.asArrayDouble("DIRECTION"), tol ) ) {
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| 231 | if ( dd > tol ) {
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| 232 | removeRows.push_back( irow ) ;
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[1607] | 233 | }
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| 234 | }
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[1611] | 235 | if ( removeRows.size() != 0 ) {
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| 236 | subt.removeRow( removeRows ) ;
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| 237 | }
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| 238 |
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| 239 | if ( nrsubt == removeRows.size() )
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| 240 | throw(AipsError("Averaging data is empty.")) ;
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| 241 |
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[805] | 242 | specCol.attach(subt,"SPECTRA");
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| 243 | flagCol.attach(subt,"FLAGTRA");
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| 244 | tsysCol.attach(subt,"TSYS");
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| 245 | intCol.attach(subt,"INTERVAL");
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| 246 | mjdCol.attach(subt,"TIME");
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| 247 | Vector<Float> spec,tsys;
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| 248 | Vector<uChar> flag;
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| 249 | Double inter,time;
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| 250 | for (uInt k = 0; k < subt.nrow(); ++k ) {
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| 251 | flagCol.get(k, flag);
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| 252 | Vector<Bool> bflag(flag.shape());
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| 253 | convertArray(bflag, flag);
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[1314] | 254 | /*
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[805] | 255 | if ( allEQ(bflag, True) ) {
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[1314] | 256 | continue;//don't accumulate
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[144] | 257 | }
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[1314] | 258 | */
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[805] | 259 | specCol.get(k, spec);
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| 260 | tsysCol.get(k, tsys);
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| 261 | intCol.get(k, inter);
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| 262 | mjdCol.get(k, time);
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| 263 | // spectrum has to be added last to enable weighting by the other values
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| 264 | acc.add(spec, !bflag, tsys, inter, time);
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| 265 | }
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| 266 | }
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[1333] | 267 | const Vector<Bool>& msk = acc.getMask();
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| 268 | if ( allEQ(msk, False) ) {
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| 269 | uint n = rowstodelete.nelements();
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| 270 | rowstodelete.resize(n+1, True);
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| 271 | rowstodelete[n] = i;
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| 272 | continue;
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| 273 | }
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[805] | 274 | //write out
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[1446] | 275 | if (acc.state()) {
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| 276 | Vector<uChar> flg(msk.shape());
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| 277 | convertArray(flg, !msk);
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| 278 | flagColOut.put(i, flg);
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| 279 | specColOut.put(i, acc.getSpectrum());
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| 280 | tsysColOut.put(i, acc.getTsys());
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| 281 | intColOut.put(i, acc.getInterval());
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| 282 | mjdColOut.put(i, acc.getTime());
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| 283 | // we should only have one cycle now -> reset it to be 0
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| 284 | // frequency switched data has different CYCLENO for different IFNO
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| 285 | // which requires resetting this value
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| 286 | cycColOut.put(i, uInt(0));
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| 287 | } else {
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| 288 | ostringstream oss;
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| 289 | oss << "For output row="<<i<<", all input rows of data are flagged. no averaging" << endl;
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| 290 | pushLog(String(oss));
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| 291 | }
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[805] | 292 | acc.reset();
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[144] | 293 | }
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[1333] | 294 | if (rowstodelete.nelements() > 0) {
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[1616] | 295 | //cout << rowstodelete << endl;
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| 296 | os << rowstodelete << LogIO::POST ;
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[1333] | 297 | tout.removeRow(rowstodelete);
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| 298 | if (tout.nrow() == 0) {
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| 299 | throw(AipsError("Can't average fully flagged data."));
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| 300 | }
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| 301 | }
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[805] | 302 | return out;
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[2] | 303 | }
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[9] | 304 |
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[1069] | 305 | CountedPtr< Scantable >
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| 306 | STMath::averageChannel( const CountedPtr < Scantable > & in,
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[1078] | 307 | const std::string & mode,
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| 308 | const std::string& avmode )
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[1069] | 309 | {
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[1607] | 310 | // check if OTF observation
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| 311 | String obstype = in->getHeader().obstype ;
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[1611] | 312 | Double tol = 0.0 ;
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[1607] | 313 | if ( obstype.find( "OTF" ) != String::npos ) {
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[1611] | 314 | tol = TOL_OTF ;
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[1607] | 315 | }
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[1611] | 316 | else {
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| 317 | tol = TOL_POINT ;
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| 318 | }
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[1607] | 319 |
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[1069] | 320 | // clone as this is non insitu
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| 321 | bool insitu = insitu_;
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| 322 | setInsitu(false);
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| 323 | CountedPtr< Scantable > out = getScantable(in, true);
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| 324 | setInsitu(insitu);
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| 325 | Table& tout = out->table();
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| 326 | ArrayColumn<Float> specColOut(tout,"SPECTRA");
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| 327 | ArrayColumn<uChar> flagColOut(tout,"FLAGTRA");
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| 328 | ArrayColumn<Float> tsysColOut(tout,"TSYS");
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[1140] | 329 | ScalarColumn<uInt> scanColOut(tout,"SCANNO");
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[1232] | 330 | ScalarColumn<Double> intColOut(tout, "INTERVAL");
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[1140] | 331 | Table tmp = in->table().sort("BEAMNO");
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[1069] | 332 | Block<String> cols(3);
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| 333 | cols[0] = String("BEAMNO");
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| 334 | cols[1] = String("IFNO");
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| 335 | cols[2] = String("POLNO");
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[1078] | 336 | if ( avmode == "SCAN") {
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| 337 | cols.resize(4);
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| 338 | cols[3] = String("SCANNO");
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| 339 | }
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[1069] | 340 | uInt outrowCount = 0;
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| 341 | uChar userflag = 1 << 7;
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[1140] | 342 | TableIterator iter(tmp, cols);
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[1069] | 343 | while (!iter.pastEnd()) {
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| 344 | Table subt = iter.table();
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| 345 | ROArrayColumn<Float> specCol, tsysCol;
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| 346 | ROArrayColumn<uChar> flagCol;
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[1232] | 347 | ROScalarColumn<Double> intCol(subt, "INTERVAL");
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[1069] | 348 | specCol.attach(subt,"SPECTRA");
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| 349 | flagCol.attach(subt,"FLAGTRA");
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| 350 | tsysCol.attach(subt,"TSYS");
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[1607] | 351 | // tout.addRow();
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| 352 | // TableCopy::copyRows(tout, subt, outrowCount, 0, 1);
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| 353 | // if ( avmode != "SCAN") {
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| 354 | // scanColOut.put(outrowCount, uInt(0));
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| 355 | // }
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| 356 | // Vector<Float> tmp;
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| 357 | // specCol.get(0, tmp);
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| 358 | // uInt nchan = tmp.nelements();
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| 359 | // // have to do channel by channel here as MaskedArrMath
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| 360 | // // doesn't have partialMedians
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| 361 | // Vector<uChar> flags = flagCol.getColumn(Slicer(Slice(0)));
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| 362 | // Vector<Float> outspec(nchan);
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| 363 | // Vector<uChar> outflag(nchan,0);
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| 364 | // Vector<Float> outtsys(1);/// @fixme when tsys is channel based
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| 365 | // for (uInt i=0; i<nchan; ++i) {
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| 366 | // Vector<Float> specs = specCol.getColumn(Slicer(Slice(i)));
|
---|
| 367 | // MaskedArray<Float> ma = maskedArray(specs,flags);
|
---|
| 368 | // outspec[i] = median(ma);
|
---|
| 369 | // if ( allEQ(ma.getMask(), False) )
|
---|
| 370 | // outflag[i] = userflag;// flag data
|
---|
| 371 | // }
|
---|
| 372 | // outtsys[0] = median(tsysCol.getColumn());
|
---|
| 373 | // specColOut.put(outrowCount, outspec);
|
---|
| 374 | // flagColOut.put(outrowCount, outflag);
|
---|
| 375 | // tsysColOut.put(outrowCount, outtsys);
|
---|
| 376 | // Double intsum = sum(intCol.getColumn());
|
---|
| 377 | // intColOut.put(outrowCount, intsum);
|
---|
| 378 | // ++outrowCount;
|
---|
| 379 | // ++iter;
|
---|
[1611] | 380 | MDirection::ScalarColumn dircol ;
|
---|
| 381 | dircol.attach( subt, "DIRECTION" ) ;
|
---|
| 382 | Int length = subt.nrow() ;
|
---|
| 383 | vector< Vector<Double> > dirs ;
|
---|
| 384 | vector<int> indexes ;
|
---|
| 385 | for ( Int i = 0 ; i < length ; i++ ) {
|
---|
| 386 | Vector<Double> t = dircol(i).getAngle(Unit(String("rad"))).getValue() ;
|
---|
| 387 | bool adddir = true ;
|
---|
| 388 | for ( uInt j = 0 ; j < dirs.size() ; j++ ) {
|
---|
| 389 | //if ( allTrue( t == dirs[j] ) ) {
|
---|
| 390 | Double dx = t[0] - dirs[j][0] ;
|
---|
| 391 | Double dy = t[1] - dirs[j][1] ;
|
---|
| 392 | Double dd = sqrt( dx * dx + dy * dy ) ;
|
---|
| 393 | //if ( allNearAbs( t, dirs[j], tol ) ) {
|
---|
| 394 | if ( dd <= tol ) {
|
---|
| 395 | adddir = false ;
|
---|
| 396 | break ;
|
---|
[1607] | 397 | }
|
---|
| 398 | }
|
---|
[1611] | 399 | if ( adddir ) {
|
---|
| 400 | dirs.push_back( t ) ;
|
---|
| 401 | indexes.push_back( i ) ;
|
---|
[1607] | 402 | }
|
---|
[1140] | 403 | }
|
---|
[1611] | 404 | uInt rowNum = dirs.size() ;
|
---|
| 405 | tout.addRow( rowNum );
|
---|
| 406 | for ( uInt i = 0 ; i < rowNum ; i++ ) {
|
---|
| 407 | TableCopy::copyRows(tout, subt, outrowCount+i, indexes[i], 1) ;
|
---|
[1607] | 408 | if ( avmode != "SCAN") {
|
---|
[1611] | 409 | //scanColOut.put(outrowCount+i, uInt(0));
|
---|
[1607] | 410 | }
|
---|
[1611] | 411 | }
|
---|
| 412 | MDirection::ScalarColumn dircolOut ;
|
---|
| 413 | dircolOut.attach( tout, "DIRECTION" ) ;
|
---|
| 414 | for ( uInt irow = 0 ; irow < rowNum ; irow++ ) {
|
---|
| 415 | Vector<Double> t = dircolOut(outrowCount+irow).getAngle(Unit(String("rad"))).getValue() ;
|
---|
[1607] | 416 | Vector<Float> tmp;
|
---|
| 417 | specCol.get(0, tmp);
|
---|
| 418 | uInt nchan = tmp.nelements();
|
---|
| 419 | // have to do channel by channel here as MaskedArrMath
|
---|
| 420 | // doesn't have partialMedians
|
---|
| 421 | Vector<uChar> flags = flagCol.getColumn(Slicer(Slice(0)));
|
---|
[1611] | 422 | // mask spectra for different DIRECTION
|
---|
| 423 | for ( uInt jrow = 0 ; jrow < subt.nrow() ; jrow++ ) {
|
---|
| 424 | Vector<Double> direction = dircol(jrow).getAngle(Unit(String("rad"))).getValue() ;
|
---|
| 425 | //if ( t[0] != direction[0] || t[1] != direction[1] ) {
|
---|
| 426 | Double dx = t[0] - direction[0] ;
|
---|
| 427 | Double dy = t[1] - direction[1] ;
|
---|
| 428 | Double dd = sqrt( dx * dx + dy * dy ) ;
|
---|
| 429 | //if ( !allNearAbs( t, direction, tol ) ) {
|
---|
| 430 | if ( dd > tol ) {
|
---|
| 431 | flags[jrow] = userflag ;
|
---|
| 432 | }
|
---|
| 433 | }
|
---|
[1607] | 434 | Vector<Float> outspec(nchan);
|
---|
| 435 | Vector<uChar> outflag(nchan,0);
|
---|
| 436 | Vector<Float> outtsys(1);/// @fixme when tsys is channel based
|
---|
| 437 | for (uInt i=0; i<nchan; ++i) {
|
---|
| 438 | Vector<Float> specs = specCol.getColumn(Slicer(Slice(i)));
|
---|
| 439 | MaskedArray<Float> ma = maskedArray(specs,flags);
|
---|
| 440 | outspec[i] = median(ma);
|
---|
| 441 | if ( allEQ(ma.getMask(), False) )
|
---|
| 442 | outflag[i] = userflag;// flag data
|
---|
| 443 | }
|
---|
| 444 | outtsys[0] = median(tsysCol.getColumn());
|
---|
[1611] | 445 | specColOut.put(outrowCount+irow, outspec);
|
---|
| 446 | flagColOut.put(outrowCount+irow, outflag);
|
---|
| 447 | tsysColOut.put(outrowCount+irow, outtsys);
|
---|
| 448 | Vector<Double> integ = intCol.getColumn() ;
|
---|
| 449 | MaskedArray<Double> mi = maskedArray( integ, flags ) ;
|
---|
| 450 | Double intsum = sum(mi);
|
---|
| 451 | intColOut.put(outrowCount+irow, intsum);
|
---|
[1069] | 452 | }
|
---|
[1611] | 453 | outrowCount += rowNum ;
|
---|
[1069] | 454 | ++iter;
|
---|
| 455 | }
|
---|
| 456 | return out;
|
---|
| 457 | }
|
---|
| 458 |
|
---|
[805] | 459 | CountedPtr< Scantable > STMath::getScantable(const CountedPtr< Scantable >& in,
|
---|
| 460 | bool droprows)
|
---|
[185] | 461 | {
|
---|
[1603] | 462 | if (insitu_) {
|
---|
| 463 | return in;
|
---|
| 464 | }
|
---|
[805] | 465 | else {
|
---|
| 466 | // clone
|
---|
[1603] | 467 | return CountedPtr<Scantable>(new Scantable(*in, Bool(droprows)));
|
---|
[234] | 468 | }
|
---|
[805] | 469 | }
|
---|
[234] | 470 |
|
---|
[805] | 471 | CountedPtr< Scantable > STMath::unaryOperate( const CountedPtr< Scantable >& in,
|
---|
| 472 | float val,
|
---|
| 473 | const std::string& mode,
|
---|
| 474 | bool tsys )
|
---|
| 475 | {
|
---|
| 476 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 477 | Table& tab = out->table();
|
---|
| 478 | ArrayColumn<Float> specCol(tab,"SPECTRA");
|
---|
| 479 | ArrayColumn<Float> tsysCol(tab,"TSYS");
|
---|
| 480 | for (uInt i=0; i<tab.nrow(); ++i) {
|
---|
| 481 | Vector<Float> spec;
|
---|
| 482 | Vector<Float> ts;
|
---|
| 483 | specCol.get(i, spec);
|
---|
| 484 | tsysCol.get(i, ts);
|
---|
[1308] | 485 | if (mode == "MUL" || mode == "DIV") {
|
---|
| 486 | if (mode == "DIV") val = 1.0/val;
|
---|
[805] | 487 | spec *= val;
|
---|
| 488 | specCol.put(i, spec);
|
---|
| 489 | if ( tsys ) {
|
---|
| 490 | ts *= val;
|
---|
| 491 | tsysCol.put(i, ts);
|
---|
| 492 | }
|
---|
[1308] | 493 | } else if ( mode == "ADD" || mode == "SUB") {
|
---|
| 494 | if (mode == "SUB") val *= -1.0;
|
---|
[805] | 495 | spec += val;
|
---|
| 496 | specCol.put(i, spec);
|
---|
| 497 | if ( tsys ) {
|
---|
| 498 | ts += val;
|
---|
| 499 | tsysCol.put(i, ts);
|
---|
| 500 | }
|
---|
| 501 | }
|
---|
[234] | 502 | }
|
---|
[805] | 503 | return out;
|
---|
| 504 | }
|
---|
[234] | 505 |
|
---|
[1677] | 506 | CountedPtr< Scantable > STMath::arrayOperate( const CountedPtr< Scantable >& in,
|
---|
| 507 | const std::vector<float> val,
|
---|
| 508 | const std::string& mode,
|
---|
[1680] | 509 | const std::string& opmode,
|
---|
| 510 | bool tsys )
|
---|
[1677] | 511 | {
|
---|
| 512 | CountedPtr< Scantable > out ;
|
---|
[1680] | 513 | if ( opmode == "channel" ) {
|
---|
[1677] | 514 | out = arrayOperateChannel( in, val, mode, tsys ) ;
|
---|
| 515 | }
|
---|
[1680] | 516 | else if ( opmode == "row" ) {
|
---|
[1677] | 517 | out = arrayOperateRow( in, val, mode, tsys ) ;
|
---|
| 518 | }
|
---|
| 519 | else {
|
---|
| 520 | throw( AipsError( "Unknown array operation mode." ) ) ;
|
---|
| 521 | }
|
---|
| 522 | return out ;
|
---|
| 523 | }
|
---|
| 524 |
|
---|
| 525 | CountedPtr< Scantable > STMath::arrayOperateChannel( const CountedPtr< Scantable >& in,
|
---|
| 526 | const std::vector<float> val,
|
---|
| 527 | const std::string& mode,
|
---|
| 528 | bool tsys )
|
---|
| 529 | {
|
---|
[1682] | 530 | if ( val.size() == 1 ){
|
---|
| 531 | return unaryOperate( in, val[0], mode, tsys ) ;
|
---|
| 532 | }
|
---|
| 533 |
|
---|
[1677] | 534 | // conformity of SPECTRA and TSYS
|
---|
| 535 | if ( tsys ) {
|
---|
| 536 | TableIterator titer(in->table(), "IFNO");
|
---|
| 537 | while ( !titer.pastEnd() ) {
|
---|
| 538 | ArrayColumn<Float> specCol( in->table(), "SPECTRA" ) ;
|
---|
| 539 | ArrayColumn<Float> tsysCol( in->table(), "TSYS" ) ;
|
---|
| 540 | Array<Float> spec = specCol.getColumn() ;
|
---|
| 541 | Array<Float> ts = tsysCol.getColumn() ;
|
---|
| 542 | if ( !spec.conform( ts ) ) {
|
---|
| 543 | throw( AipsError( "SPECTRA and TSYS must conform in shape if you want to apply operation on Tsys." ) ) ;
|
---|
| 544 | }
|
---|
| 545 | titer.next() ;
|
---|
| 546 | }
|
---|
| 547 | }
|
---|
| 548 |
|
---|
| 549 | // check if all spectra in the scantable have the same number of channel
|
---|
| 550 | vector<uInt> nchans;
|
---|
| 551 | vector<uInt> ifnos = in->getIFNos() ;
|
---|
| 552 | for ( uInt i = 0 ; i < ifnos.size() ; i++ ) {
|
---|
| 553 | nchans.push_back( in->nchan( ifnos[i] ) ) ;
|
---|
| 554 | }
|
---|
| 555 | Vector<uInt> mchans( nchans ) ;
|
---|
| 556 | if ( anyNE( mchans, mchans[0] ) ) {
|
---|
| 557 | throw( AipsError("All spectra in the input scantable must have the same number of channel for vector operation." ) ) ;
|
---|
| 558 | }
|
---|
| 559 |
|
---|
| 560 | // check if vector size is equal to nchan
|
---|
| 561 | Vector<Float> fact( val ) ;
|
---|
| 562 | if ( fact.nelements() != mchans[0] ) {
|
---|
[1682] | 563 | throw( AipsError("Vector size must be 1 or be same as number of channel.") ) ;
|
---|
[1677] | 564 | }
|
---|
| 565 |
|
---|
| 566 | // check divided by zero
|
---|
| 567 | if ( ( mode == "DIV" ) && anyEQ( fact, (float)0.0 ) ) {
|
---|
| 568 | throw( AipsError("Divided by zero is not recommended." ) ) ;
|
---|
| 569 | }
|
---|
| 570 |
|
---|
| 571 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 572 | Table& tab = out->table();
|
---|
| 573 | ArrayColumn<Float> specCol(tab,"SPECTRA");
|
---|
| 574 | ArrayColumn<Float> tsysCol(tab,"TSYS");
|
---|
| 575 | for (uInt i=0; i<tab.nrow(); ++i) {
|
---|
| 576 | Vector<Float> spec;
|
---|
| 577 | Vector<Float> ts;
|
---|
| 578 | specCol.get(i, spec);
|
---|
| 579 | tsysCol.get(i, ts);
|
---|
| 580 | if (mode == "MUL" || mode == "DIV") {
|
---|
| 581 | if (mode == "DIV") fact = (float)1.0 / fact;
|
---|
| 582 | spec *= fact;
|
---|
| 583 | specCol.put(i, spec);
|
---|
| 584 | if ( tsys ) {
|
---|
| 585 | ts *= fact;
|
---|
| 586 | tsysCol.put(i, ts);
|
---|
| 587 | }
|
---|
| 588 | } else if ( mode == "ADD" || mode == "SUB") {
|
---|
| 589 | if (mode == "SUB") fact *= (float)-1.0 ;
|
---|
| 590 | spec += fact;
|
---|
| 591 | specCol.put(i, spec);
|
---|
| 592 | if ( tsys ) {
|
---|
| 593 | ts += fact;
|
---|
| 594 | tsysCol.put(i, ts);
|
---|
| 595 | }
|
---|
| 596 | }
|
---|
| 597 | }
|
---|
| 598 | return out;
|
---|
| 599 | }
|
---|
| 600 |
|
---|
| 601 | CountedPtr< Scantable > STMath::arrayOperateRow( const CountedPtr< Scantable >& in,
|
---|
| 602 | const std::vector<float> val,
|
---|
| 603 | const std::string& mode,
|
---|
| 604 | bool tsys )
|
---|
| 605 | {
|
---|
[1682] | 606 | if ( val.size() == 1 ) {
|
---|
| 607 | return unaryOperate( in, val[0], mode, tsys ) ;
|
---|
| 608 | }
|
---|
| 609 |
|
---|
[1677] | 610 | // conformity of SPECTRA and TSYS
|
---|
| 611 | if ( tsys ) {
|
---|
| 612 | TableIterator titer(in->table(), "IFNO");
|
---|
| 613 | while ( !titer.pastEnd() ) {
|
---|
| 614 | ArrayColumn<Float> specCol( in->table(), "SPECTRA" ) ;
|
---|
| 615 | ArrayColumn<Float> tsysCol( in->table(), "TSYS" ) ;
|
---|
| 616 | Array<Float> spec = specCol.getColumn() ;
|
---|
| 617 | Array<Float> ts = tsysCol.getColumn() ;
|
---|
| 618 | if ( !spec.conform( ts ) ) {
|
---|
| 619 | throw( AipsError( "SPECTRA and TSYS must conform in shape if you want to apply operation on Tsys." ) ) ;
|
---|
| 620 | }
|
---|
| 621 | titer.next() ;
|
---|
| 622 | }
|
---|
| 623 | }
|
---|
| 624 |
|
---|
| 625 | // check if vector size is equal to nrow
|
---|
| 626 | Vector<Float> fact( val ) ;
|
---|
| 627 | if ( fact.nelements() != in->nrow() ) {
|
---|
[1682] | 628 | throw( AipsError("Vector size must be 1 or be same as number of row.") ) ;
|
---|
[1677] | 629 | }
|
---|
| 630 |
|
---|
| 631 | // check divided by zero
|
---|
| 632 | if ( ( mode == "DIV" ) && anyEQ( fact, (float)0.0 ) ) {
|
---|
| 633 | throw( AipsError("Divided by zero is not recommended." ) ) ;
|
---|
| 634 | }
|
---|
| 635 |
|
---|
| 636 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 637 | Table& tab = out->table();
|
---|
| 638 | ArrayColumn<Float> specCol(tab,"SPECTRA");
|
---|
| 639 | ArrayColumn<Float> tsysCol(tab,"TSYS");
|
---|
| 640 | if (mode == "DIV") fact = (float)1.0 / fact;
|
---|
| 641 | if (mode == "SUB") fact *= (float)-1.0 ;
|
---|
| 642 | for (uInt i=0; i<tab.nrow(); ++i) {
|
---|
| 643 | Vector<Float> spec;
|
---|
| 644 | Vector<Float> ts;
|
---|
| 645 | specCol.get(i, spec);
|
---|
| 646 | tsysCol.get(i, ts);
|
---|
| 647 | if (mode == "MUL" || mode == "DIV") {
|
---|
| 648 | spec *= fact[i];
|
---|
| 649 | specCol.put(i, spec);
|
---|
| 650 | if ( tsys ) {
|
---|
| 651 | ts *= fact[i];
|
---|
| 652 | tsysCol.put(i, ts);
|
---|
| 653 | }
|
---|
| 654 | } else if ( mode == "ADD" || mode == "SUB") {
|
---|
| 655 | spec += fact[i];
|
---|
| 656 | specCol.put(i, spec);
|
---|
| 657 | if ( tsys ) {
|
---|
| 658 | ts += fact[i];
|
---|
| 659 | tsysCol.put(i, ts);
|
---|
| 660 | }
|
---|
| 661 | }
|
---|
| 662 | }
|
---|
| 663 | return out;
|
---|
| 664 | }
|
---|
| 665 |
|
---|
| 666 | CountedPtr< Scantable > STMath::array2dOperate( const CountedPtr< Scantable >& in,
|
---|
| 667 | const std::vector< std::vector<float> > val,
|
---|
| 668 | const std::string& mode,
|
---|
| 669 | bool tsys )
|
---|
| 670 | {
|
---|
| 671 | // conformity of SPECTRA and TSYS
|
---|
| 672 | if ( tsys ) {
|
---|
| 673 | TableIterator titer(in->table(), "IFNO");
|
---|
| 674 | while ( !titer.pastEnd() ) {
|
---|
| 675 | ArrayColumn<Float> specCol( in->table(), "SPECTRA" ) ;
|
---|
| 676 | ArrayColumn<Float> tsysCol( in->table(), "TSYS" ) ;
|
---|
| 677 | Array<Float> spec = specCol.getColumn() ;
|
---|
| 678 | Array<Float> ts = tsysCol.getColumn() ;
|
---|
| 679 | if ( !spec.conform( ts ) ) {
|
---|
| 680 | throw( AipsError( "SPECTRA and TSYS must conform in shape if you want to apply operation on Tsys." ) ) ;
|
---|
| 681 | }
|
---|
| 682 | titer.next() ;
|
---|
| 683 | }
|
---|
| 684 | }
|
---|
| 685 |
|
---|
| 686 | // some checks
|
---|
| 687 | vector<uInt> nchans;
|
---|
| 688 | for ( uInt i = 0 ; i < in->nrow() ; i++ ) {
|
---|
| 689 | nchans.push_back( (in->getSpectrum( i )).size() ) ;
|
---|
| 690 | }
|
---|
| 691 | //Vector<uInt> mchans( nchans ) ;
|
---|
| 692 | vector< Vector<Float> > facts ;
|
---|
| 693 | for ( uInt i = 0 ; i < nchans.size() ; i++ ) {
|
---|
| 694 | Vector<Float> tmp( val[i] ) ;
|
---|
| 695 | // check divided by zero
|
---|
| 696 | if ( ( mode == "DIV" ) && anyEQ( tmp, (float)0.0 ) ) {
|
---|
| 697 | throw( AipsError("Divided by zero is not recommended." ) ) ;
|
---|
| 698 | }
|
---|
| 699 | // conformity check
|
---|
| 700 | if ( tmp.nelements() != nchans[i] ) {
|
---|
| 701 | stringstream ss ;
|
---|
| 702 | ss << "Row " << i << ": Vector size must be same as number of channel." ;
|
---|
| 703 | throw( AipsError( ss.str() ) ) ;
|
---|
| 704 | }
|
---|
| 705 | facts.push_back( tmp ) ;
|
---|
| 706 | }
|
---|
| 707 |
|
---|
| 708 |
|
---|
| 709 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 710 | Table& tab = out->table();
|
---|
| 711 | ArrayColumn<Float> specCol(tab,"SPECTRA");
|
---|
| 712 | ArrayColumn<Float> tsysCol(tab,"TSYS");
|
---|
| 713 | for (uInt i=0; i<tab.nrow(); ++i) {
|
---|
| 714 | Vector<Float> fact = facts[i] ;
|
---|
| 715 | Vector<Float> spec;
|
---|
| 716 | Vector<Float> ts;
|
---|
| 717 | specCol.get(i, spec);
|
---|
| 718 | tsysCol.get(i, ts);
|
---|
| 719 | if (mode == "MUL" || mode == "DIV") {
|
---|
| 720 | if (mode == "DIV") fact = (float)1.0 / fact;
|
---|
| 721 | spec *= fact;
|
---|
| 722 | specCol.put(i, spec);
|
---|
| 723 | if ( tsys ) {
|
---|
| 724 | ts *= fact;
|
---|
| 725 | tsysCol.put(i, ts);
|
---|
| 726 | }
|
---|
| 727 | } else if ( mode == "ADD" || mode == "SUB") {
|
---|
| 728 | if (mode == "SUB") fact *= (float)-1.0 ;
|
---|
| 729 | spec += fact;
|
---|
| 730 | specCol.put(i, spec);
|
---|
| 731 | if ( tsys ) {
|
---|
| 732 | ts += fact;
|
---|
| 733 | tsysCol.put(i, ts);
|
---|
| 734 | }
|
---|
| 735 | }
|
---|
| 736 | }
|
---|
| 737 | return out;
|
---|
| 738 | }
|
---|
| 739 |
|
---|
[1308] | 740 | CountedPtr<Scantable> STMath::binaryOperate(const CountedPtr<Scantable>& left,
|
---|
| 741 | const CountedPtr<Scantable>& right,
|
---|
| 742 | const std::string& mode)
|
---|
| 743 | {
|
---|
| 744 | bool insitu = insitu_;
|
---|
| 745 | if ( ! left->conformant(*right) ) {
|
---|
| 746 | throw(AipsError("'left' and 'right' scantables are not conformant."));
|
---|
| 747 | }
|
---|
| 748 | setInsitu(false);
|
---|
| 749 | CountedPtr< Scantable > out = getScantable(left, false);
|
---|
| 750 | setInsitu(insitu);
|
---|
| 751 | Table& tout = out->table();
|
---|
| 752 | Block<String> coln(5);
|
---|
| 753 | coln[0] = "SCANNO"; coln[1] = "CYCLENO"; coln[2] = "BEAMNO";
|
---|
| 754 | coln[3] = "IFNO"; coln[4] = "POLNO";
|
---|
| 755 | Table tmpl = tout.sort(coln);
|
---|
| 756 | Table tmpr = right->table().sort(coln);
|
---|
| 757 | ArrayColumn<Float> lspecCol(tmpl,"SPECTRA");
|
---|
| 758 | ROArrayColumn<Float> rspecCol(tmpr,"SPECTRA");
|
---|
| 759 | ArrayColumn<uChar> lflagCol(tmpl,"FLAGTRA");
|
---|
| 760 | ROArrayColumn<uChar> rflagCol(tmpr,"FLAGTRA");
|
---|
| 761 |
|
---|
| 762 | for (uInt i=0; i<tout.nrow(); ++i) {
|
---|
| 763 | Vector<Float> lspecvec, rspecvec;
|
---|
| 764 | Vector<uChar> lflagvec, rflagvec;
|
---|
| 765 | lspecvec = lspecCol(i); rspecvec = rspecCol(i);
|
---|
| 766 | lflagvec = lflagCol(i); rflagvec = rflagCol(i);
|
---|
| 767 | MaskedArray<Float> mleft = maskedArray(lspecvec, lflagvec);
|
---|
| 768 | MaskedArray<Float> mright = maskedArray(rspecvec, rflagvec);
|
---|
| 769 | if (mode == "ADD") {
|
---|
| 770 | mleft += mright;
|
---|
| 771 | } else if ( mode == "SUB") {
|
---|
| 772 | mleft -= mright;
|
---|
| 773 | } else if ( mode == "MUL") {
|
---|
| 774 | mleft *= mright;
|
---|
| 775 | } else if ( mode == "DIV") {
|
---|
| 776 | mleft /= mright;
|
---|
| 777 | } else {
|
---|
| 778 | throw(AipsError("Illegal binary operator"));
|
---|
| 779 | }
|
---|
| 780 | lspecCol.put(i, mleft.getArray());
|
---|
| 781 | }
|
---|
| 782 | return out;
|
---|
| 783 | }
|
---|
| 784 |
|
---|
| 785 |
|
---|
| 786 |
|
---|
[805] | 787 | MaskedArray<Float> STMath::maskedArray( const Vector<Float>& s,
|
---|
| 788 | const Vector<uChar>& f)
|
---|
| 789 | {
|
---|
| 790 | Vector<Bool> mask;
|
---|
| 791 | mask.resize(f.shape());
|
---|
| 792 | convertArray(mask, f);
|
---|
| 793 | return MaskedArray<Float>(s,!mask);
|
---|
| 794 | }
|
---|
[248] | 795 |
|
---|
[1607] | 796 | MaskedArray<Double> STMath::maskedArray( const Vector<Double>& s,
|
---|
| 797 | const Vector<uChar>& f)
|
---|
| 798 | {
|
---|
| 799 | Vector<Bool> mask;
|
---|
| 800 | mask.resize(f.shape());
|
---|
| 801 | convertArray(mask, f);
|
---|
| 802 | return MaskedArray<Double>(s,!mask);
|
---|
| 803 | }
|
---|
| 804 |
|
---|
[805] | 805 | Vector<uChar> STMath::flagsFromMA(const MaskedArray<Float>& ma)
|
---|
| 806 | {
|
---|
| 807 | const Vector<Bool>& m = ma.getMask();
|
---|
| 808 | Vector<uChar> flags(m.shape());
|
---|
| 809 | convertArray(flags, !m);
|
---|
| 810 | return flags;
|
---|
| 811 | }
|
---|
[234] | 812 |
|
---|
[1066] | 813 | CountedPtr< Scantable > STMath::autoQuotient( const CountedPtr< Scantable >& in,
|
---|
| 814 | const std::string & mode,
|
---|
| 815 | bool preserve )
|
---|
[805] | 816 | {
|
---|
| 817 | /// @todo make other modes available
|
---|
| 818 | /// modes should be "nearest", "pair"
|
---|
| 819 | // make this operation non insitu
|
---|
| 820 | const Table& tin = in->table();
|
---|
| 821 | Table ons = tin(tin.col("SRCTYPE") == Int(0));
|
---|
| 822 | Table offs = tin(tin.col("SRCTYPE") == Int(1));
|
---|
| 823 | if ( offs.nrow() == 0 )
|
---|
| 824 | throw(AipsError("No 'off' scans present."));
|
---|
| 825 | // put all "on" scans into output table
|
---|
[701] | 826 |
|
---|
[805] | 827 | bool insitu = insitu_;
|
---|
| 828 | setInsitu(false);
|
---|
| 829 | CountedPtr< Scantable > out = getScantable(in, true);
|
---|
| 830 | setInsitu(insitu);
|
---|
| 831 | Table& tout = out->table();
|
---|
[248] | 832 |
|
---|
[805] | 833 | TableCopy::copyRows(tout, ons);
|
---|
| 834 | TableRow row(tout);
|
---|
| 835 | ROScalarColumn<Double> offtimeCol(offs, "TIME");
|
---|
| 836 | ArrayColumn<Float> outspecCol(tout, "SPECTRA");
|
---|
| 837 | ROArrayColumn<Float> outtsysCol(tout, "TSYS");
|
---|
| 838 | ArrayColumn<uChar> outflagCol(tout, "FLAGTRA");
|
---|
| 839 | for (uInt i=0; i < tout.nrow(); ++i) {
|
---|
| 840 | const TableRecord& rec = row.get(i);
|
---|
| 841 | Double ontime = rec.asDouble("TIME");
|
---|
[1321] | 842 | Table presel = offs(offs.col("BEAMNO") == Int(rec.asuInt("BEAMNO"))
|
---|
| 843 | && offs.col("IFNO") == Int(rec.asuInt("IFNO"))
|
---|
| 844 | && offs.col("POLNO") == Int(rec.asuInt("POLNO")) );
|
---|
| 845 | ROScalarColumn<Double> offtimeCol(presel, "TIME");
|
---|
| 846 |
|
---|
[805] | 847 | Double mindeltat = min(abs(offtimeCol.getColumn() - ontime));
|
---|
[1259] | 848 | // Timestamp may vary within a cycle ???!!!
|
---|
[1321] | 849 | // increase this by 0.01 sec in case of rounding errors...
|
---|
[1259] | 850 | // There might be a better way to do this.
|
---|
[1321] | 851 | // fix to this fix. TIME is MJD, so 1.0d not 1.0s
|
---|
| 852 | mindeltat += 0.01/24./60./60.;
|
---|
| 853 | Table sel = presel( abs(presel.col("TIME")-ontime) <= mindeltat);
|
---|
[780] | 854 |
|
---|
[1259] | 855 | if ( sel.nrow() < 1 ) {
|
---|
| 856 | throw(AipsError("No closest in time found... This could be a rounding "
|
---|
| 857 | "issue. Try quotient instead."));
|
---|
| 858 | }
|
---|
[805] | 859 | TableRow offrow(sel);
|
---|
| 860 | const TableRecord& offrec = offrow.get(0);//should only be one row
|
---|
| 861 | RORecordFieldPtr< Array<Float> > specoff(offrec, "SPECTRA");
|
---|
| 862 | RORecordFieldPtr< Array<Float> > tsysoff(offrec, "TSYS");
|
---|
| 863 | RORecordFieldPtr< Array<uChar> > flagoff(offrec, "FLAGTRA");
|
---|
| 864 | /// @fixme this assumes tsys is a scalar not vector
|
---|
| 865 | Float tsysoffscalar = (*tsysoff)(IPosition(1,0));
|
---|
| 866 | Vector<Float> specon, tsyson;
|
---|
| 867 | outtsysCol.get(i, tsyson);
|
---|
| 868 | outspecCol.get(i, specon);
|
---|
| 869 | Vector<uChar> flagon;
|
---|
| 870 | outflagCol.get(i, flagon);
|
---|
| 871 | MaskedArray<Float> mon = maskedArray(specon, flagon);
|
---|
| 872 | MaskedArray<Float> moff = maskedArray(*specoff, *flagoff);
|
---|
| 873 | MaskedArray<Float> quot = (tsysoffscalar * mon / moff);
|
---|
| 874 | if (preserve) {
|
---|
| 875 | quot -= tsysoffscalar;
|
---|
| 876 | } else {
|
---|
| 877 | quot -= tsyson[0];
|
---|
[701] | 878 | }
|
---|
[805] | 879 | outspecCol.put(i, quot.getArray());
|
---|
| 880 | outflagCol.put(i, flagsFromMA(quot));
|
---|
| 881 | }
|
---|
[926] | 882 | // renumber scanno
|
---|
| 883 | TableIterator it(tout, "SCANNO");
|
---|
| 884 | uInt i = 0;
|
---|
| 885 | while ( !it.pastEnd() ) {
|
---|
| 886 | Table t = it.table();
|
---|
| 887 | TableVector<uInt> vec(t, "SCANNO");
|
---|
| 888 | vec = i;
|
---|
| 889 | ++i;
|
---|
| 890 | ++it;
|
---|
| 891 | }
|
---|
[805] | 892 | return out;
|
---|
| 893 | }
|
---|
[234] | 894 |
|
---|
[1066] | 895 |
|
---|
| 896 | CountedPtr< Scantable > STMath::quotient( const CountedPtr< Scantable > & on,
|
---|
| 897 | const CountedPtr< Scantable > & off,
|
---|
| 898 | bool preserve )
|
---|
| 899 | {
|
---|
| 900 | bool insitu = insitu_;
|
---|
[1069] | 901 | if ( ! on->conformant(*off) ) {
|
---|
| 902 | throw(AipsError("'on' and 'off' scantables are not conformant."));
|
---|
| 903 | }
|
---|
[1066] | 904 | setInsitu(false);
|
---|
| 905 | CountedPtr< Scantable > out = getScantable(on, false);
|
---|
| 906 | setInsitu(insitu);
|
---|
| 907 | Table& tout = out->table();
|
---|
| 908 | const Table& toff = off->table();
|
---|
| 909 | TableIterator sit(tout, "SCANNO");
|
---|
| 910 | TableIterator s2it(toff, "SCANNO");
|
---|
| 911 | while ( !sit.pastEnd() ) {
|
---|
| 912 | Table ton = sit.table();
|
---|
| 913 | TableRow row(ton);
|
---|
| 914 | Table t = s2it.table();
|
---|
| 915 | ArrayColumn<Float> outspecCol(ton, "SPECTRA");
|
---|
| 916 | ROArrayColumn<Float> outtsysCol(ton, "TSYS");
|
---|
| 917 | ArrayColumn<uChar> outflagCol(ton, "FLAGTRA");
|
---|
| 918 | for (uInt i=0; i < ton.nrow(); ++i) {
|
---|
| 919 | const TableRecord& rec = row.get(i);
|
---|
| 920 | Table offsel = t( t.col("BEAMNO") == Int(rec.asuInt("BEAMNO"))
|
---|
| 921 | && t.col("IFNO") == Int(rec.asuInt("IFNO"))
|
---|
| 922 | && t.col("POLNO") == Int(rec.asuInt("POLNO")) );
|
---|
[1145] | 923 | if ( offsel.nrow() == 0 )
|
---|
| 924 | throw AipsError("STMath::quotient: no matching off");
|
---|
[1066] | 925 | TableRow offrow(offsel);
|
---|
| 926 | const TableRecord& offrec = offrow.get(0);//should be ncycles - take first
|
---|
| 927 | RORecordFieldPtr< Array<Float> > specoff(offrec, "SPECTRA");
|
---|
| 928 | RORecordFieldPtr< Array<Float> > tsysoff(offrec, "TSYS");
|
---|
| 929 | RORecordFieldPtr< Array<uChar> > flagoff(offrec, "FLAGTRA");
|
---|
| 930 | Float tsysoffscalar = (*tsysoff)(IPosition(1,0));
|
---|
| 931 | Vector<Float> specon, tsyson;
|
---|
| 932 | outtsysCol.get(i, tsyson);
|
---|
| 933 | outspecCol.get(i, specon);
|
---|
| 934 | Vector<uChar> flagon;
|
---|
| 935 | outflagCol.get(i, flagon);
|
---|
| 936 | MaskedArray<Float> mon = maskedArray(specon, flagon);
|
---|
| 937 | MaskedArray<Float> moff = maskedArray(*specoff, *flagoff);
|
---|
| 938 | MaskedArray<Float> quot = (tsysoffscalar * mon / moff);
|
---|
| 939 | if (preserve) {
|
---|
| 940 | quot -= tsysoffscalar;
|
---|
| 941 | } else {
|
---|
| 942 | quot -= tsyson[0];
|
---|
| 943 | }
|
---|
| 944 | outspecCol.put(i, quot.getArray());
|
---|
| 945 | outflagCol.put(i, flagsFromMA(quot));
|
---|
| 946 | }
|
---|
| 947 | ++sit;
|
---|
| 948 | ++s2it;
|
---|
| 949 | // take the first off for each on scan which doesn't have a
|
---|
| 950 | // matching off scan
|
---|
| 951 | // non <= noff: matching pairs, non > noff matching pairs then first off
|
---|
| 952 | if ( s2it.pastEnd() ) s2it.reset();
|
---|
| 953 | }
|
---|
| 954 | return out;
|
---|
| 955 | }
|
---|
| 956 |
|
---|
[1387] | 957 | // dototalpower (migration of GBTIDL procedure dototalpower.pro)
|
---|
| 958 | // calibrate the CAL on-off pair. It calculate Tsys and average CAL on-off subintegrations
|
---|
| 959 | // do it for each cycles in a specific scan.
|
---|
| 960 | CountedPtr< Scantable > STMath::dototalpower( const CountedPtr< Scantable >& calon,
|
---|
| 961 | const CountedPtr< Scantable >& caloff, Float tcal )
|
---|
| 962 | {
|
---|
| 963 | if ( ! calon->conformant(*caloff) ) {
|
---|
| 964 | throw(AipsError("'CAL on' and 'CAL off' scantables are not conformant."));
|
---|
| 965 | }
|
---|
| 966 | setInsitu(false);
|
---|
| 967 | CountedPtr< Scantable > out = getScantable(caloff, false);
|
---|
| 968 | Table& tout = out->table();
|
---|
| 969 | const Table& tcon = calon->table();
|
---|
| 970 | Vector<Float> tcalout;
|
---|
| 971 | Vector<Float> tcalout2; //debug
|
---|
[1066] | 972 |
|
---|
[1387] | 973 | if ( tout.nrow() != tcon.nrow() ) {
|
---|
| 974 | throw(AipsError("Mismatch in number of rows to form cal on - off pair."));
|
---|
| 975 | }
|
---|
| 976 | // iteration by scanno or cycle no.
|
---|
| 977 | TableIterator sit(tout, "SCANNO");
|
---|
| 978 | TableIterator s2it(tcon, "SCANNO");
|
---|
| 979 | while ( !sit.pastEnd() ) {
|
---|
| 980 | Table toff = sit.table();
|
---|
| 981 | TableRow row(toff);
|
---|
| 982 | Table t = s2it.table();
|
---|
| 983 | ScalarColumn<Double> outintCol(toff, "INTERVAL");
|
---|
| 984 | ArrayColumn<Float> outspecCol(toff, "SPECTRA");
|
---|
| 985 | ArrayColumn<Float> outtsysCol(toff, "TSYS");
|
---|
| 986 | ArrayColumn<uChar> outflagCol(toff, "FLAGTRA");
|
---|
| 987 | ROScalarColumn<uInt> outtcalIdCol(toff, "TCAL_ID");
|
---|
| 988 | ROScalarColumn<uInt> outpolCol(toff, "POLNO");
|
---|
| 989 | ROScalarColumn<Double> onintCol(t, "INTERVAL");
|
---|
| 990 | ROArrayColumn<Float> onspecCol(t, "SPECTRA");
|
---|
| 991 | ROArrayColumn<Float> ontsysCol(t, "TSYS");
|
---|
| 992 | ROArrayColumn<uChar> onflagCol(t, "FLAGTRA");
|
---|
| 993 | //ROScalarColumn<uInt> ontcalIdCol(t, "TCAL_ID");
|
---|
| 994 |
|
---|
| 995 | for (uInt i=0; i < toff.nrow(); ++i) {
|
---|
| 996 | //skip these checks -> assumes the data order are the same between the cal on off pairs
|
---|
| 997 | //
|
---|
| 998 | Vector<Float> specCalon, specCaloff;
|
---|
| 999 | // to store scalar (mean) tsys
|
---|
| 1000 | Vector<Float> tsysout(1);
|
---|
| 1001 | uInt tcalId, polno;
|
---|
| 1002 | Double offint, onint;
|
---|
| 1003 | outpolCol.get(i, polno);
|
---|
| 1004 | outspecCol.get(i, specCaloff);
|
---|
| 1005 | onspecCol.get(i, specCalon);
|
---|
| 1006 | Vector<uChar> flagCaloff, flagCalon;
|
---|
| 1007 | outflagCol.get(i, flagCaloff);
|
---|
| 1008 | onflagCol.get(i, flagCalon);
|
---|
| 1009 | outtcalIdCol.get(i, tcalId);
|
---|
| 1010 | outintCol.get(i, offint);
|
---|
| 1011 | onintCol.get(i, onint);
|
---|
| 1012 | // caluculate mean Tsys
|
---|
| 1013 | uInt nchan = specCaloff.nelements();
|
---|
| 1014 | // percentage of edge cut off
|
---|
| 1015 | uInt pc = 10;
|
---|
| 1016 | uInt bchan = nchan/pc;
|
---|
| 1017 | uInt echan = nchan-bchan;
|
---|
| 1018 |
|
---|
| 1019 | Slicer chansl(IPosition(1,bchan-1), IPosition(1,echan-1), IPosition(1,1),Slicer::endIsLast);
|
---|
| 1020 | Vector<Float> testsubsp = specCaloff(chansl);
|
---|
| 1021 | MaskedArray<Float> spoff = maskedArray( specCaloff(chansl),flagCaloff(chansl) );
|
---|
| 1022 | MaskedArray<Float> spon = maskedArray( specCalon(chansl),flagCalon(chansl) );
|
---|
| 1023 | MaskedArray<Float> spdiff = spon-spoff;
|
---|
| 1024 | uInt noff = spoff.nelementsValid();
|
---|
| 1025 | //uInt non = spon.nelementsValid();
|
---|
| 1026 | uInt ndiff = spdiff.nelementsValid();
|
---|
| 1027 | Float meantsys;
|
---|
| 1028 |
|
---|
| 1029 | /**
|
---|
| 1030 | Double subspec, subdiff;
|
---|
| 1031 | uInt usednchan;
|
---|
| 1032 | subspec = 0;
|
---|
| 1033 | subdiff = 0;
|
---|
| 1034 | usednchan = 0;
|
---|
| 1035 | for(uInt k=(bchan-1); k<echan; k++) {
|
---|
| 1036 | subspec += specCaloff[k];
|
---|
| 1037 | subdiff += static_cast<Double>(specCalon[k]-specCaloff[k]);
|
---|
| 1038 | ++usednchan;
|
---|
| 1039 | }
|
---|
| 1040 | **/
|
---|
| 1041 | // get tcal if input tcal <= 0
|
---|
| 1042 | String tcalt;
|
---|
| 1043 | Float tcalUsed;
|
---|
| 1044 | tcalUsed = tcal;
|
---|
| 1045 | if ( tcal <= 0.0 ) {
|
---|
| 1046 | caloff->tcal().getEntry(tcalt, tcalout, tcalId);
|
---|
| 1047 | if (polno<=3) {
|
---|
| 1048 | tcalUsed = tcalout[polno];
|
---|
| 1049 | }
|
---|
| 1050 | else {
|
---|
| 1051 | tcalUsed = tcalout[0];
|
---|
| 1052 | }
|
---|
| 1053 | }
|
---|
| 1054 |
|
---|
| 1055 | Float meanoff;
|
---|
| 1056 | Float meandiff;
|
---|
| 1057 | if (noff && ndiff) {
|
---|
| 1058 | //Debug
|
---|
| 1059 | //if(noff!=ndiff) cerr<<"noff and ndiff is not equal"<<endl;
|
---|
[1616] | 1060 | //LogIO os( LogOrigin( "STMath", "dototalpower()", WHERE ) ) ;
|
---|
| 1061 | //if(noff!=ndiff) os<<"noff and ndiff is not equal"<<LogIO::POST;
|
---|
[1387] | 1062 | meanoff = sum(spoff)/noff;
|
---|
| 1063 | meandiff = sum(spdiff)/ndiff;
|
---|
| 1064 | meantsys= (meanoff/meandiff )*tcalUsed + tcalUsed/2;
|
---|
| 1065 | }
|
---|
| 1066 | else {
|
---|
| 1067 | meantsys=1;
|
---|
| 1068 | }
|
---|
| 1069 |
|
---|
| 1070 | tsysout[0] = Float(meantsys);
|
---|
| 1071 | MaskedArray<Float> mcaloff = maskedArray(specCaloff, flagCaloff);
|
---|
| 1072 | MaskedArray<Float> mcalon = maskedArray(specCalon, flagCalon);
|
---|
| 1073 | MaskedArray<Float> sig = Float(0.5) * (mcaloff + mcalon);
|
---|
| 1074 | //uInt ncaloff = mcaloff.nelementsValid();
|
---|
| 1075 | //uInt ncalon = mcalon.nelementsValid();
|
---|
| 1076 |
|
---|
| 1077 | outintCol.put(i, offint+onint);
|
---|
| 1078 | outspecCol.put(i, sig.getArray());
|
---|
| 1079 | outflagCol.put(i, flagsFromMA(sig));
|
---|
| 1080 | outtsysCol.put(i, tsysout);
|
---|
| 1081 | }
|
---|
| 1082 | ++sit;
|
---|
| 1083 | ++s2it;
|
---|
| 1084 | }
|
---|
| 1085 | return out;
|
---|
| 1086 | }
|
---|
| 1087 |
|
---|
| 1088 | //dosigref - migrated from GBT IDL's dosigref.pro, do calibration of position switch
|
---|
| 1089 | // observatiions.
|
---|
| 1090 | // input: sig and ref scantables, and an optional boxcar smoothing width(default width=0,
|
---|
| 1091 | // no smoothing).
|
---|
| 1092 | // output: resultant scantable [= (sig-ref/ref)*tsys]
|
---|
| 1093 | CountedPtr< Scantable > STMath::dosigref( const CountedPtr < Scantable >& sig,
|
---|
| 1094 | const CountedPtr < Scantable >& ref,
|
---|
| 1095 | int smoothref,
|
---|
| 1096 | casa::Float tsysv,
|
---|
| 1097 | casa::Float tau )
|
---|
| 1098 | {
|
---|
| 1099 | if ( ! ref->conformant(*sig) ) {
|
---|
| 1100 | throw(AipsError("'sig' and 'ref' scantables are not conformant."));
|
---|
| 1101 | }
|
---|
| 1102 | setInsitu(false);
|
---|
| 1103 | CountedPtr< Scantable > out = getScantable(sig, false);
|
---|
| 1104 | CountedPtr< Scantable > smref;
|
---|
| 1105 | if ( smoothref > 1 ) {
|
---|
| 1106 | float fsmoothref = static_cast<float>(smoothref);
|
---|
| 1107 | std::string inkernel = "boxcar";
|
---|
| 1108 | smref = smooth(ref, inkernel, fsmoothref );
|
---|
| 1109 | ostringstream oss;
|
---|
| 1110 | oss<<"Applied smoothing of "<<fsmoothref<<" on the reference."<<endl;
|
---|
| 1111 | pushLog(String(oss));
|
---|
| 1112 | }
|
---|
| 1113 | else {
|
---|
| 1114 | smref = ref;
|
---|
| 1115 | }
|
---|
| 1116 | Table& tout = out->table();
|
---|
| 1117 | const Table& tref = smref->table();
|
---|
| 1118 | if ( tout.nrow() != tref.nrow() ) {
|
---|
| 1119 | throw(AipsError("Mismatch in number of rows to form on-source and reference pair."));
|
---|
| 1120 | }
|
---|
| 1121 | // iteration by scanno? or cycle no.
|
---|
| 1122 | TableIterator sit(tout, "SCANNO");
|
---|
| 1123 | TableIterator s2it(tref, "SCANNO");
|
---|
| 1124 | while ( !sit.pastEnd() ) {
|
---|
| 1125 | Table ton = sit.table();
|
---|
| 1126 | Table t = s2it.table();
|
---|
| 1127 | ScalarColumn<Double> outintCol(ton, "INTERVAL");
|
---|
| 1128 | ArrayColumn<Float> outspecCol(ton, "SPECTRA");
|
---|
| 1129 | ArrayColumn<Float> outtsysCol(ton, "TSYS");
|
---|
| 1130 | ArrayColumn<uChar> outflagCol(ton, "FLAGTRA");
|
---|
| 1131 | ArrayColumn<Float> refspecCol(t, "SPECTRA");
|
---|
| 1132 | ROScalarColumn<Double> refintCol(t, "INTERVAL");
|
---|
| 1133 | ROArrayColumn<Float> reftsysCol(t, "TSYS");
|
---|
| 1134 | ArrayColumn<uChar> refflagCol(t, "FLAGTRA");
|
---|
| 1135 | ROScalarColumn<Float> refelevCol(t, "ELEVATION");
|
---|
| 1136 | for (uInt i=0; i < ton.nrow(); ++i) {
|
---|
| 1137 |
|
---|
| 1138 | Double onint, refint;
|
---|
| 1139 | Vector<Float> specon, specref;
|
---|
| 1140 | // to store scalar (mean) tsys
|
---|
| 1141 | Vector<Float> tsysref;
|
---|
| 1142 | outintCol.get(i, onint);
|
---|
| 1143 | refintCol.get(i, refint);
|
---|
| 1144 | outspecCol.get(i, specon);
|
---|
| 1145 | refspecCol.get(i, specref);
|
---|
| 1146 | Vector<uChar> flagref, flagon;
|
---|
| 1147 | outflagCol.get(i, flagon);
|
---|
| 1148 | refflagCol.get(i, flagref);
|
---|
| 1149 | reftsysCol.get(i, tsysref);
|
---|
| 1150 |
|
---|
| 1151 | Float tsysrefscalar;
|
---|
| 1152 | if ( tsysv > 0.0 ) {
|
---|
| 1153 | ostringstream oss;
|
---|
| 1154 | Float elev;
|
---|
| 1155 | refelevCol.get(i, elev);
|
---|
| 1156 | oss << "user specified Tsys = " << tsysv;
|
---|
| 1157 | // do recalc elevation if EL = 0
|
---|
| 1158 | if ( elev == 0 ) {
|
---|
| 1159 | throw(AipsError("EL=0, elevation data is missing."));
|
---|
| 1160 | } else {
|
---|
| 1161 | if ( tau <= 0.0 ) {
|
---|
| 1162 | throw(AipsError("Valid tau is not supplied."));
|
---|
| 1163 | } else {
|
---|
| 1164 | tsysrefscalar = tsysv * exp(tau/elev);
|
---|
| 1165 | }
|
---|
| 1166 | }
|
---|
| 1167 | oss << ", corrected (for El) tsys= "<<tsysrefscalar;
|
---|
| 1168 | pushLog(String(oss));
|
---|
| 1169 | }
|
---|
| 1170 | else {
|
---|
| 1171 | tsysrefscalar = tsysref[0];
|
---|
| 1172 | }
|
---|
| 1173 | //get quotient spectrum
|
---|
| 1174 | MaskedArray<Float> mref = maskedArray(specref, flagref);
|
---|
| 1175 | MaskedArray<Float> mon = maskedArray(specon, flagon);
|
---|
| 1176 | MaskedArray<Float> specres = tsysrefscalar*((mon - mref)/mref);
|
---|
| 1177 | Double resint = onint*refint*smoothref/(onint+refint*smoothref);
|
---|
| 1178 |
|
---|
| 1179 | //Debug
|
---|
| 1180 | //cerr<<"Tsys used="<<tsysrefscalar<<endl;
|
---|
[1616] | 1181 | //LogIO os( LogOrigin( "STMath", "dosigref", WHERE ) ) ;
|
---|
| 1182 | //os<<"Tsys used="<<tsysrefscalar<<LogIO::POST;
|
---|
[1387] | 1183 | // fill the result, replay signal tsys by reference tsys
|
---|
| 1184 | outintCol.put(i, resint);
|
---|
| 1185 | outspecCol.put(i, specres.getArray());
|
---|
| 1186 | outflagCol.put(i, flagsFromMA(specres));
|
---|
| 1187 | outtsysCol.put(i, tsysref);
|
---|
| 1188 | }
|
---|
| 1189 | ++sit;
|
---|
| 1190 | ++s2it;
|
---|
| 1191 | }
|
---|
| 1192 | return out;
|
---|
| 1193 | }
|
---|
| 1194 |
|
---|
| 1195 | CountedPtr< Scantable > STMath::donod(const casa::CountedPtr<Scantable>& s,
|
---|
| 1196 | const std::vector<int>& scans,
|
---|
| 1197 | int smoothref,
|
---|
| 1198 | casa::Float tsysv,
|
---|
| 1199 | casa::Float tau,
|
---|
| 1200 | casa::Float tcal )
|
---|
| 1201 |
|
---|
| 1202 | {
|
---|
| 1203 | setInsitu(false);
|
---|
| 1204 | STSelector sel;
|
---|
| 1205 | std::vector<int> scan1, scan2, beams;
|
---|
| 1206 | std::vector< vector<int> > scanpair;
|
---|
| 1207 | std::vector<string> calstate;
|
---|
| 1208 | String msg;
|
---|
| 1209 |
|
---|
| 1210 | CountedPtr< Scantable > s1b1on, s1b1off, s1b2on, s1b2off;
|
---|
| 1211 | CountedPtr< Scantable > s2b1on, s2b1off, s2b2on, s2b2off;
|
---|
| 1212 |
|
---|
| 1213 | std::vector< CountedPtr< Scantable > > sctables;
|
---|
| 1214 | sctables.push_back(s1b1on);
|
---|
| 1215 | sctables.push_back(s1b1off);
|
---|
| 1216 | sctables.push_back(s1b2on);
|
---|
| 1217 | sctables.push_back(s1b2off);
|
---|
| 1218 | sctables.push_back(s2b1on);
|
---|
| 1219 | sctables.push_back(s2b1off);
|
---|
| 1220 | sctables.push_back(s2b2on);
|
---|
| 1221 | sctables.push_back(s2b2off);
|
---|
| 1222 |
|
---|
| 1223 | //check scanlist
|
---|
| 1224 | int n=s->checkScanInfo(scans);
|
---|
| 1225 | if (n==1) {
|
---|
| 1226 | throw(AipsError("Incorrect scan pairs. "));
|
---|
| 1227 | }
|
---|
| 1228 |
|
---|
| 1229 | // Assume scans contain only a pair of consecutive scan numbers.
|
---|
| 1230 | // It is assumed that first beam, b1, is on target.
|
---|
| 1231 | // There is no check if the first beam is on or not.
|
---|
| 1232 | if ( scans.size()==1 ) {
|
---|
| 1233 | scan1.push_back(scans[0]);
|
---|
| 1234 | scan2.push_back(scans[0]+1);
|
---|
| 1235 | } else if ( scans.size()==2 ) {
|
---|
| 1236 | scan1.push_back(scans[0]);
|
---|
| 1237 | scan2.push_back(scans[1]);
|
---|
| 1238 | } else {
|
---|
| 1239 | if ( scans.size()%2 == 0 ) {
|
---|
| 1240 | for (uInt i=0; i<scans.size(); i++) {
|
---|
| 1241 | if (i%2 == 0) {
|
---|
| 1242 | scan1.push_back(scans[i]);
|
---|
| 1243 | }
|
---|
| 1244 | else {
|
---|
| 1245 | scan2.push_back(scans[i]);
|
---|
| 1246 | }
|
---|
| 1247 | }
|
---|
| 1248 | } else {
|
---|
| 1249 | throw(AipsError("Odd numbers of scans, cannot form pairs."));
|
---|
| 1250 | }
|
---|
| 1251 | }
|
---|
| 1252 | scanpair.push_back(scan1);
|
---|
| 1253 | scanpair.push_back(scan2);
|
---|
| 1254 | calstate.push_back("*calon");
|
---|
| 1255 | calstate.push_back("*[^calon]");
|
---|
| 1256 | CountedPtr< Scantable > ws = getScantable(s, false);
|
---|
| 1257 | uInt l=0;
|
---|
| 1258 | while ( l < sctables.size() ) {
|
---|
| 1259 | for (uInt i=0; i < 2; i++) {
|
---|
| 1260 | for (uInt j=0; j < 2; j++) {
|
---|
| 1261 | for (uInt k=0; k < 2; k++) {
|
---|
| 1262 | sel.reset();
|
---|
| 1263 | sel.setScans(scanpair[i]);
|
---|
| 1264 | sel.setName(calstate[k]);
|
---|
| 1265 | beams.clear();
|
---|
| 1266 | beams.push_back(j);
|
---|
| 1267 | sel.setBeams(beams);
|
---|
| 1268 | ws->setSelection(sel);
|
---|
| 1269 | sctables[l]= getScantable(ws, false);
|
---|
| 1270 | l++;
|
---|
| 1271 | }
|
---|
| 1272 | }
|
---|
| 1273 | }
|
---|
| 1274 | }
|
---|
| 1275 |
|
---|
| 1276 | // replace here by splitData or getData functionality
|
---|
| 1277 | CountedPtr< Scantable > sig1;
|
---|
| 1278 | CountedPtr< Scantable > ref1;
|
---|
| 1279 | CountedPtr< Scantable > sig2;
|
---|
| 1280 | CountedPtr< Scantable > ref2;
|
---|
| 1281 | CountedPtr< Scantable > calb1;
|
---|
| 1282 | CountedPtr< Scantable > calb2;
|
---|
| 1283 |
|
---|
| 1284 | msg=String("Processing dototalpower for subset of the data");
|
---|
| 1285 | ostringstream oss1;
|
---|
| 1286 | oss1 << msg << endl;
|
---|
| 1287 | pushLog(String(oss1));
|
---|
| 1288 | // Debug for IRC CS data
|
---|
| 1289 | //float tcal1=7.0;
|
---|
| 1290 | //float tcal2=4.0;
|
---|
| 1291 | sig1 = dototalpower(sctables[0], sctables[1], tcal=tcal);
|
---|
| 1292 | ref1 = dototalpower(sctables[2], sctables[3], tcal=tcal);
|
---|
| 1293 | ref2 = dototalpower(sctables[4], sctables[5], tcal=tcal);
|
---|
| 1294 | sig2 = dototalpower(sctables[6], sctables[7], tcal=tcal);
|
---|
| 1295 |
|
---|
| 1296 | // correction of user-specified tsys for elevation here
|
---|
| 1297 |
|
---|
| 1298 | // dosigref calibration
|
---|
| 1299 | msg=String("Processing dosigref for subset of the data");
|
---|
| 1300 | ostringstream oss2;
|
---|
| 1301 | oss2 << msg << endl;
|
---|
| 1302 | pushLog(String(oss2));
|
---|
| 1303 | calb1=dosigref(sig1,ref2,smoothref,tsysv,tau);
|
---|
| 1304 | calb2=dosigref(sig2,ref1,smoothref,tsysv,tau);
|
---|
| 1305 |
|
---|
| 1306 | // iteration by scanno or cycle no.
|
---|
| 1307 | Table& tcalb1 = calb1->table();
|
---|
| 1308 | Table& tcalb2 = calb2->table();
|
---|
| 1309 | TableIterator sit(tcalb1, "SCANNO");
|
---|
| 1310 | TableIterator s2it(tcalb2, "SCANNO");
|
---|
| 1311 | while ( !sit.pastEnd() ) {
|
---|
| 1312 | Table t1 = sit.table();
|
---|
| 1313 | Table t2= s2it.table();
|
---|
| 1314 | ArrayColumn<Float> outspecCol(t1, "SPECTRA");
|
---|
| 1315 | ArrayColumn<Float> outtsysCol(t1, "TSYS");
|
---|
| 1316 | ArrayColumn<uChar> outflagCol(t1, "FLAGTRA");
|
---|
| 1317 | ScalarColumn<Double> outintCol(t1, "INTERVAL");
|
---|
| 1318 | ArrayColumn<Float> t2specCol(t2, "SPECTRA");
|
---|
| 1319 | ROArrayColumn<Float> t2tsysCol(t2, "TSYS");
|
---|
| 1320 | ArrayColumn<uChar> t2flagCol(t2, "FLAGTRA");
|
---|
| 1321 | ROScalarColumn<Double> t2intCol(t2, "INTERVAL");
|
---|
| 1322 | for (uInt i=0; i < t1.nrow(); ++i) {
|
---|
| 1323 | Vector<Float> spec1, spec2;
|
---|
| 1324 | // to store scalar (mean) tsys
|
---|
| 1325 | Vector<Float> tsys1, tsys2;
|
---|
| 1326 | Vector<uChar> flag1, flag2;
|
---|
| 1327 | Double tint1, tint2;
|
---|
| 1328 | outspecCol.get(i, spec1);
|
---|
| 1329 | t2specCol.get(i, spec2);
|
---|
| 1330 | outflagCol.get(i, flag1);
|
---|
| 1331 | t2flagCol.get(i, flag2);
|
---|
| 1332 | outtsysCol.get(i, tsys1);
|
---|
| 1333 | t2tsysCol.get(i, tsys2);
|
---|
| 1334 | outintCol.get(i, tint1);
|
---|
| 1335 | t2intCol.get(i, tint2);
|
---|
| 1336 | // average
|
---|
| 1337 | // assume scalar tsys for weights
|
---|
| 1338 | Float wt1, wt2, tsyssq1, tsyssq2;
|
---|
| 1339 | tsyssq1 = tsys1[0]*tsys1[0];
|
---|
| 1340 | tsyssq2 = tsys2[0]*tsys2[0];
|
---|
| 1341 | wt1 = Float(tint1)/tsyssq1;
|
---|
| 1342 | wt2 = Float(tint2)/tsyssq2;
|
---|
| 1343 | Float invsumwt=1/(wt1+wt2);
|
---|
| 1344 | MaskedArray<Float> mspec1 = maskedArray(spec1, flag1);
|
---|
| 1345 | MaskedArray<Float> mspec2 = maskedArray(spec2, flag2);
|
---|
| 1346 | MaskedArray<Float> avspec = invsumwt * (wt1*mspec1 + wt2*mspec2);
|
---|
| 1347 | //Array<Float> avtsys = Float(0.5) * (tsys1 + tsys2);
|
---|
| 1348 | // cerr<< "Tsys1="<<tsys1<<" Tsys2="<<tsys2<<endl;
|
---|
[1616] | 1349 | // LogIO os( LogOrigin( "STMath", "donod", WHERE ) ) ;
|
---|
| 1350 | // os<< "Tsys1="<<tsys1<<" Tsys2="<<tsys2<<LogIO::POST;
|
---|
[1387] | 1351 | tsys1[0] = sqrt(tsyssq1 + tsyssq2);
|
---|
| 1352 | Array<Float> avtsys = tsys1;
|
---|
| 1353 |
|
---|
| 1354 | outspecCol.put(i, avspec.getArray());
|
---|
| 1355 | outflagCol.put(i, flagsFromMA(avspec));
|
---|
| 1356 | outtsysCol.put(i, avtsys);
|
---|
| 1357 | }
|
---|
| 1358 | ++sit;
|
---|
| 1359 | ++s2it;
|
---|
| 1360 | }
|
---|
| 1361 | return calb1;
|
---|
| 1362 | }
|
---|
| 1363 |
|
---|
| 1364 | //GBTIDL version of frequency switched data calibration
|
---|
| 1365 | CountedPtr< Scantable > STMath::dofs( const CountedPtr< Scantable >& s,
|
---|
| 1366 | const std::vector<int>& scans,
|
---|
| 1367 | int smoothref,
|
---|
| 1368 | casa::Float tsysv,
|
---|
| 1369 | casa::Float tau,
|
---|
| 1370 | casa::Float tcal )
|
---|
| 1371 | {
|
---|
| 1372 |
|
---|
[1446] | 1373 |
|
---|
[1387] | 1374 | STSelector sel;
|
---|
| 1375 | CountedPtr< Scantable > ws = getScantable(s, false);
|
---|
| 1376 | CountedPtr< Scantable > sig, sigwcal, ref, refwcal;
|
---|
[1446] | 1377 | CountedPtr< Scantable > calsig, calref, out, out1, out2;
|
---|
| 1378 | Bool nofold=False;
|
---|
[1387] | 1379 |
|
---|
| 1380 | //split the data
|
---|
| 1381 | sel.setName("*_fs");
|
---|
| 1382 | ws->setSelection(sel);
|
---|
| 1383 | sig = getScantable(ws,false);
|
---|
| 1384 | sel.reset();
|
---|
| 1385 | sel.setName("*_fs_calon");
|
---|
| 1386 | ws->setSelection(sel);
|
---|
| 1387 | sigwcal = getScantable(ws,false);
|
---|
| 1388 | sel.reset();
|
---|
| 1389 | sel.setName("*_fsr");
|
---|
| 1390 | ws->setSelection(sel);
|
---|
| 1391 | ref = getScantable(ws,false);
|
---|
| 1392 | sel.reset();
|
---|
| 1393 | sel.setName("*_fsr_calon");
|
---|
| 1394 | ws->setSelection(sel);
|
---|
| 1395 | refwcal = getScantable(ws,false);
|
---|
| 1396 |
|
---|
| 1397 | calsig = dototalpower(sigwcal, sig, tcal=tcal);
|
---|
| 1398 | calref = dototalpower(refwcal, ref, tcal=tcal);
|
---|
| 1399 |
|
---|
[1446] | 1400 | out1=dosigref(calsig,calref,smoothref,tsysv,tau);
|
---|
| 1401 | out2=dosigref(calref,calsig,smoothref,tsysv,tau);
|
---|
[1387] | 1402 |
|
---|
[1446] | 1403 | Table& tabout1=out1->table();
|
---|
| 1404 | Table& tabout2=out2->table();
|
---|
| 1405 | ROScalarColumn<uInt> freqidCol1(tabout1, "FREQ_ID");
|
---|
[1609] | 1406 | ScalarColumn<uInt> freqidCol2(tabout2, "FREQ_ID");
|
---|
[1446] | 1407 | ROArrayColumn<Float> specCol(tabout2, "SPECTRA");
|
---|
| 1408 | Vector<Float> spec; specCol.get(0, spec);
|
---|
| 1409 | uInt nchan = spec.nelements();
|
---|
| 1410 | uInt freqid1; freqidCol1.get(0,freqid1);
|
---|
| 1411 | uInt freqid2; freqidCol2.get(0,freqid2);
|
---|
| 1412 | Double rp1, rp2, rv1, rv2, inc1, inc2;
|
---|
| 1413 | out1->frequencies().getEntry(rp1, rv1, inc1, freqid1);
|
---|
| 1414 | out2->frequencies().getEntry(rp2, rv2, inc2, freqid2);
|
---|
[1609] | 1415 | //cerr << out1->frequencies().table().nrow() << " " << out2->frequencies().table().nrow() << endl ;
|
---|
[1616] | 1416 | //LogIO os( LogOrigin( "STMath", "dofs()", WHERE ) ) ;
|
---|
| 1417 | //os << out1->frequencies().table().nrow() << " " << out2->frequencies().table().nrow() << LogIO::POST ;
|
---|
[1446] | 1418 | if (rp1==rp2) {
|
---|
| 1419 | Double foffset = rv1 - rv2;
|
---|
| 1420 | uInt choffset = static_cast<uInt>(foffset/abs(inc2));
|
---|
| 1421 | if (choffset >= nchan) {
|
---|
[1616] | 1422 | //cerr<<"out-band frequency switching, no folding"<<endl;
|
---|
| 1423 | LogIO os( LogOrigin( "STMath", "dofs()", WHERE ) ) ;
|
---|
| 1424 | os<<"out-band frequency switching, no folding"<<LogIO::POST;
|
---|
[1446] | 1425 | nofold = True;
|
---|
| 1426 | }
|
---|
| 1427 | }
|
---|
[1609] | 1428 |
|
---|
[1446] | 1429 | if (nofold) {
|
---|
| 1430 | std::vector< CountedPtr< Scantable > > tabs;
|
---|
| 1431 | tabs.push_back(out1);
|
---|
| 1432 | tabs.push_back(out2);
|
---|
| 1433 | out = merge(tabs);
|
---|
| 1434 | }
|
---|
[1633] | 1435 | else {
|
---|
[1609] | 1436 | //out = out1;
|
---|
[1633] | 1437 | Double choffset = ( rv1 - rv2 ) / inc2 ;
|
---|
[1609] | 1438 | out = dofold( out1, out2, choffset ) ;
|
---|
[1446] | 1439 | }
|
---|
| 1440 |
|
---|
[1387] | 1441 | return out;
|
---|
| 1442 | }
|
---|
| 1443 |
|
---|
[1609] | 1444 | CountedPtr<Scantable> STMath::dofold( const CountedPtr<Scantable> &sig,
|
---|
| 1445 | const CountedPtr<Scantable> &ref,
|
---|
[1633] | 1446 | Double choffset,
|
---|
| 1447 | Double choffset2 )
|
---|
[1609] | 1448 | {
|
---|
[1633] | 1449 | LogIO os( LogOrigin( "STMath", "dofold", WHERE ) ) ;
|
---|
| 1450 | os << "choffset=" << choffset << " choffset2=" << choffset2 << LogIO::POST ;
|
---|
| 1451 |
|
---|
[1609] | 1452 | // output scantable
|
---|
| 1453 | CountedPtr<Scantable> out = getScantable( sig, false ) ;
|
---|
| 1454 |
|
---|
[1633] | 1455 | // separate choffset to integer part and decimal part
|
---|
| 1456 | Int ioffset = (Int)choffset ;
|
---|
| 1457 | Double doffset = choffset - ioffset ;
|
---|
| 1458 | Int ioffset2 = (Int)choffset2 ;
|
---|
| 1459 | Double doffset2 = choffset2 - ioffset2 ;
|
---|
| 1460 | os << "ioffset=" << ioffset << " doffset=" << doffset << LogIO::POST ;
|
---|
| 1461 | os << "ioffset2=" << ioffset2 << " doffset2=" << doffset2 << LogIO::POST ;
|
---|
| 1462 |
|
---|
[1609] | 1463 | // get column
|
---|
| 1464 | ROArrayColumn<Float> specCol1( sig->table(), "SPECTRA" ) ;
|
---|
| 1465 | ROArrayColumn<Float> specCol2( ref->table(), "SPECTRA" ) ;
|
---|
| 1466 | ROArrayColumn<Float> tsysCol1( sig->table(), "TSYS" ) ;
|
---|
| 1467 | ROArrayColumn<Float> tsysCol2( ref->table(), "TSYS" ) ;
|
---|
| 1468 | ROArrayColumn<uChar> flagCol1( sig->table(), "FLAGTRA" ) ;
|
---|
| 1469 | ROArrayColumn<uChar> flagCol2( ref->table(), "FLAGTRA" ) ;
|
---|
| 1470 | ROScalarColumn<Double> mjdCol1( sig->table(), "TIME" ) ;
|
---|
| 1471 | ROScalarColumn<Double> mjdCol2( ref->table(), "TIME" ) ;
|
---|
| 1472 | ROScalarColumn<Double> intervalCol1( sig->table(), "INTERVAL" ) ;
|
---|
| 1473 | ROScalarColumn<Double> intervalCol2( ref->table(), "INTERVAL" ) ;
|
---|
| 1474 |
|
---|
| 1475 | // check
|
---|
[1633] | 1476 | if ( ioffset == 0 ) {
|
---|
[1616] | 1477 | LogIO os( LogOrigin( "STMath", "dofold()", WHERE ) ) ;
|
---|
| 1478 | os << "channel offset is zero, no folding" << LogIO::POST ;
|
---|
[1609] | 1479 | return out ;
|
---|
| 1480 | }
|
---|
| 1481 | int nchan = ref->nchan() ;
|
---|
[1633] | 1482 | if ( abs(ioffset) >= nchan ) {
|
---|
[1616] | 1483 | LogIO os( LogOrigin( "STMath", "dofold()", WHERE ) ) ;
|
---|
| 1484 | os << "out-band frequency switching, no folding" << LogIO::POST ;
|
---|
[1609] | 1485 | return out ;
|
---|
| 1486 | }
|
---|
| 1487 |
|
---|
| 1488 | // attach column for output scantable
|
---|
| 1489 | ArrayColumn<Float> specColOut( out->table(), "SPECTRA" ) ;
|
---|
| 1490 | ArrayColumn<uChar> flagColOut( out->table(), "FLAGTRA" ) ;
|
---|
| 1491 | ArrayColumn<Float> tsysColOut( out->table(), "TSYS" ) ;
|
---|
| 1492 | ScalarColumn<Double> mjdColOut( out->table(), "TIME" ) ;
|
---|
| 1493 | ScalarColumn<Double> intervalColOut( out->table(), "INTERVAL" ) ;
|
---|
[1633] | 1494 | ScalarColumn<uInt> fidColOut( out->table(), "FREQ_ID" ) ;
|
---|
[1609] | 1495 |
|
---|
| 1496 | // for each row
|
---|
| 1497 | // assume that the data order are same between sig and ref
|
---|
| 1498 | RowAccumulator acc( asap::TINTSYS ) ;
|
---|
| 1499 | for ( int i = 0 ; i < sig->nrow() ; i++ ) {
|
---|
| 1500 | // get values
|
---|
| 1501 | Vector<Float> spsig ;
|
---|
| 1502 | specCol1.get( i, spsig ) ;
|
---|
| 1503 | Vector<Float> spref ;
|
---|
| 1504 | specCol2.get( i, spref ) ;
|
---|
| 1505 | Vector<Float> tsyssig ;
|
---|
| 1506 | tsysCol1.get( i, tsyssig ) ;
|
---|
| 1507 | Vector<Float> tsysref ;
|
---|
| 1508 | tsysCol2.get( i, tsysref ) ;
|
---|
| 1509 | Vector<uChar> flagsig ;
|
---|
| 1510 | flagCol1.get( i, flagsig ) ;
|
---|
| 1511 | Vector<uChar> flagref ;
|
---|
| 1512 | flagCol2.get( i, flagref ) ;
|
---|
| 1513 | Double timesig ;
|
---|
| 1514 | mjdCol1.get( i, timesig ) ;
|
---|
| 1515 | Double timeref ;
|
---|
| 1516 | mjdCol2.get( i, timeref ) ;
|
---|
| 1517 | Double intsig ;
|
---|
| 1518 | intervalCol1.get( i, intsig ) ;
|
---|
| 1519 | Double intref ;
|
---|
| 1520 | intervalCol2.get( i, intref ) ;
|
---|
| 1521 |
|
---|
| 1522 | // shift reference spectra
|
---|
| 1523 | int refchan = spref.nelements() ;
|
---|
[1633] | 1524 | Vector<Float> sspref( spref.nelements() ) ;
|
---|
| 1525 | Vector<Float> stsysref( tsysref.nelements() ) ;
|
---|
| 1526 | Vector<uChar> sflagref( flagref.nelements() ) ;
|
---|
| 1527 | if ( ioffset > 0 ) {
|
---|
| 1528 | // SPECTRA and FLAGTRA
|
---|
| 1529 | for ( int j = 0 ; j < refchan-ioffset ; j++ ) {
|
---|
| 1530 | sspref[j] = spref[j+ioffset] ;
|
---|
| 1531 | sflagref[j] = flagref[j+ioffset] ;
|
---|
[1609] | 1532 | }
|
---|
[1633] | 1533 | for ( int j = refchan-ioffset ; j < refchan ; j++ ) {
|
---|
| 1534 | sspref[j] = spref[j-refchan+ioffset] ;
|
---|
| 1535 | sflagref[j] = flagref[j-refchan+ioffset] ;
|
---|
[1609] | 1536 | }
|
---|
[1633] | 1537 | spref = sspref.copy() ;
|
---|
| 1538 | flagref = sflagref.copy() ;
|
---|
| 1539 | for ( int j = 0 ; j < refchan - 1 ; j++ ) {
|
---|
| 1540 | sspref[j] = doffset * spref[j+1] + ( 1.0 - doffset ) * spref[j] ;
|
---|
| 1541 | sflagref[j] = flagref[j+1] + flagref[j] ;
|
---|
| 1542 | }
|
---|
| 1543 | sspref[refchan-1] = doffset * spref[0] + ( 1.0 - doffset ) * spref[refchan-1] ;
|
---|
| 1544 | sflagref[refchan-1] = flagref[0] + flagref[refchan-1] ;
|
---|
| 1545 |
|
---|
| 1546 | // TSYS
|
---|
| 1547 | if ( spref.nelements() == tsysref.nelements() ) {
|
---|
| 1548 | for ( int j = 0 ; j < refchan-ioffset ; j++ ) {
|
---|
| 1549 | stsysref[j] = tsysref[j+ioffset] ;
|
---|
| 1550 | }
|
---|
| 1551 | for ( int j = refchan-ioffset ; j < refchan ; j++ ) {
|
---|
| 1552 | stsysref[j] = tsysref[j-refchan+ioffset] ;
|
---|
| 1553 | }
|
---|
| 1554 | tsysref = stsysref.copy() ;
|
---|
| 1555 | for ( int j = 0 ; j < refchan - 1 ; j++ ) {
|
---|
| 1556 | stsysref[j] = doffset * tsysref[j+1] + ( 1.0 - doffset ) * tsysref[j] ;
|
---|
| 1557 | }
|
---|
| 1558 | stsysref[refchan-1] = doffset * tsysref[0] + ( 1.0 - doffset ) * tsysref[refchan-1] ;
|
---|
| 1559 | }
|
---|
[1609] | 1560 | }
|
---|
| 1561 | else {
|
---|
[1633] | 1562 | // SPECTRA and FLAGTRA
|
---|
| 1563 | for ( int j = 0 ; j < abs(ioffset) ; j++ ) {
|
---|
| 1564 | sspref[j] = spref[refchan+ioffset+j] ;
|
---|
| 1565 | sflagref[j] = flagref[refchan+ioffset+j] ;
|
---|
[1609] | 1566 | }
|
---|
[1633] | 1567 | for ( int j = abs(ioffset) ; j < refchan ; j++ ) {
|
---|
| 1568 | sspref[j] = spref[j+ioffset] ;
|
---|
| 1569 | sflagref[j] = flagref[j+ioffset] ;
|
---|
[1609] | 1570 | }
|
---|
[1633] | 1571 | spref = sspref.copy() ;
|
---|
| 1572 | flagref = sflagref.copy() ;
|
---|
| 1573 | sspref[0] = doffset * spref[refchan-1] + ( 1.0 - doffset ) * spref[0] ;
|
---|
| 1574 | sflagref[0] = flagref[0] + flagref[refchan-1] ;
|
---|
| 1575 | for ( int j = 1 ; j < refchan ; j++ ) {
|
---|
| 1576 | sspref[j] = doffset * spref[j-1] + ( 1.0 - doffset ) * spref[j] ;
|
---|
| 1577 | sflagref[j] = flagref[j-1] + flagref[j] ;
|
---|
| 1578 | }
|
---|
| 1579 | // TSYS
|
---|
| 1580 | if ( spref.nelements() == tsysref.nelements() ) {
|
---|
| 1581 | for ( int j = 0 ; j < abs(ioffset) ; j++ ) {
|
---|
| 1582 | stsysref[j] = tsysref[refchan+ioffset+j] ;
|
---|
| 1583 | }
|
---|
| 1584 | for ( int j = abs(ioffset) ; j < refchan ; j++ ) {
|
---|
| 1585 | stsysref[j] = tsysref[j+ioffset] ;
|
---|
| 1586 | }
|
---|
| 1587 | tsysref = stsysref.copy() ;
|
---|
| 1588 | stsysref[0] = doffset * tsysref[refchan-1] + ( 1.0 - doffset ) * tsysref[0] ;
|
---|
| 1589 | for ( int j = 1 ; j < refchan ; j++ ) {
|
---|
| 1590 | stsysref[j] = doffset * tsysref[j-1] + ( 1.0 - doffset ) * tsysref[j] ;
|
---|
| 1591 | }
|
---|
| 1592 | }
|
---|
[1609] | 1593 | }
|
---|
| 1594 |
|
---|
[1633] | 1595 | // shift signal spectra if necessary (only for APEX?)
|
---|
| 1596 | if ( choffset2 != 0.0 ) {
|
---|
| 1597 | int sigchan = spsig.nelements() ;
|
---|
| 1598 | Vector<Float> sspsig( spsig.nelements() ) ;
|
---|
| 1599 | Vector<Float> stsyssig( tsyssig.nelements() ) ;
|
---|
| 1600 | Vector<uChar> sflagsig( flagsig.nelements() ) ;
|
---|
| 1601 | if ( ioffset2 > 0 ) {
|
---|
| 1602 | // SPECTRA and FLAGTRA
|
---|
| 1603 | for ( int j = 0 ; j < sigchan-ioffset2 ; j++ ) {
|
---|
| 1604 | sspsig[j] = spsig[j+ioffset2] ;
|
---|
| 1605 | sflagsig[j] = flagsig[j+ioffset2] ;
|
---|
| 1606 | }
|
---|
| 1607 | for ( int j = sigchan-ioffset2 ; j < sigchan ; j++ ) {
|
---|
| 1608 | sspsig[j] = spsig[j-sigchan+ioffset2] ;
|
---|
| 1609 | sflagsig[j] = flagsig[j-sigchan+ioffset2] ;
|
---|
| 1610 | }
|
---|
| 1611 | spsig = sspsig.copy() ;
|
---|
| 1612 | flagsig = sflagsig.copy() ;
|
---|
| 1613 | for ( int j = 0 ; j < sigchan - 1 ; j++ ) {
|
---|
| 1614 | sspsig[j] = doffset2 * spsig[j+1] + ( 1.0 - doffset2 ) * spsig[j] ;
|
---|
| 1615 | sflagsig[j] = flagsig[j+1] || flagsig[j] ;
|
---|
| 1616 | }
|
---|
| 1617 | sspsig[sigchan-1] = doffset2 * spsig[0] + ( 1.0 - doffset2 ) * spsig[sigchan-1] ;
|
---|
| 1618 | sflagsig[sigchan-1] = flagsig[0] || flagsig[sigchan-1] ;
|
---|
| 1619 | // TSTS
|
---|
| 1620 | if ( spsig.nelements() == tsyssig.nelements() ) {
|
---|
| 1621 | for ( int j = 0 ; j < sigchan-ioffset2 ; j++ ) {
|
---|
| 1622 | stsyssig[j] = tsyssig[j+ioffset2] ;
|
---|
| 1623 | }
|
---|
| 1624 | for ( int j = sigchan-ioffset2 ; j < sigchan ; j++ ) {
|
---|
| 1625 | stsyssig[j] = tsyssig[j-sigchan+ioffset2] ;
|
---|
| 1626 | }
|
---|
| 1627 | tsyssig = stsyssig.copy() ;
|
---|
| 1628 | for ( int j = 0 ; j < sigchan - 1 ; j++ ) {
|
---|
| 1629 | stsyssig[j] = doffset2 * tsyssig[j+1] + ( 1.0 - doffset2 ) * tsyssig[j] ;
|
---|
| 1630 | }
|
---|
| 1631 | stsyssig[sigchan-1] = doffset2 * tsyssig[0] + ( 1.0 - doffset2 ) * tsyssig[sigchan-1] ;
|
---|
| 1632 | }
|
---|
| 1633 | }
|
---|
| 1634 | else {
|
---|
| 1635 | // SPECTRA and FLAGTRA
|
---|
| 1636 | for ( int j = 0 ; j < abs(ioffset2) ; j++ ) {
|
---|
| 1637 | sspsig[j] = spsig[sigchan+ioffset2+j] ;
|
---|
| 1638 | sflagsig[j] = flagsig[sigchan+ioffset2+j] ;
|
---|
| 1639 | }
|
---|
| 1640 | for ( int j = abs(ioffset2) ; j < sigchan ; j++ ) {
|
---|
| 1641 | sspsig[j] = spsig[j+ioffset2] ;
|
---|
| 1642 | sflagsig[j] = flagsig[j+ioffset2] ;
|
---|
| 1643 | }
|
---|
| 1644 | spsig = sspsig.copy() ;
|
---|
| 1645 | flagsig = sflagsig.copy() ;
|
---|
| 1646 | sspsig[0] = doffset2 * spsig[sigchan-1] + ( 1.0 - doffset2 ) * spsig[0] ;
|
---|
| 1647 | sflagsig[0] = flagsig[0] + flagsig[sigchan-1] ;
|
---|
| 1648 | for ( int j = 1 ; j < sigchan ; j++ ) {
|
---|
| 1649 | sspsig[j] = doffset2 * spsig[j-1] + ( 1.0 - doffset2 ) * spsig[j] ;
|
---|
| 1650 | sflagsig[j] = flagsig[j-1] + flagsig[j] ;
|
---|
| 1651 | }
|
---|
| 1652 | // TSYS
|
---|
| 1653 | if ( spsig.nelements() == tsyssig.nelements() ) {
|
---|
| 1654 | for ( int j = 0 ; j < abs(ioffset2) ; j++ ) {
|
---|
| 1655 | stsyssig[j] = tsyssig[sigchan+ioffset2+j] ;
|
---|
| 1656 | }
|
---|
| 1657 | for ( int j = abs(ioffset2) ; j < sigchan ; j++ ) {
|
---|
| 1658 | stsyssig[j] = tsyssig[j+ioffset2] ;
|
---|
| 1659 | }
|
---|
| 1660 | tsyssig = stsyssig.copy() ;
|
---|
| 1661 | stsyssig[0] = doffset2 * tsyssig[sigchan-1] + ( 1.0 - doffset2 ) * tsyssig[0] ;
|
---|
| 1662 | for ( int j = 1 ; j < sigchan ; j++ ) {
|
---|
| 1663 | stsyssig[j] = doffset2 * tsyssig[j-1] + ( 1.0 - doffset2 ) * tsyssig[j] ;
|
---|
| 1664 | }
|
---|
| 1665 | }
|
---|
| 1666 | }
|
---|
| 1667 | }
|
---|
| 1668 |
|
---|
[1609] | 1669 | // folding
|
---|
| 1670 | acc.add( spsig, !flagsig, tsyssig, intsig, timesig ) ;
|
---|
[1633] | 1671 | acc.add( sspref, !sflagref, stsysref, intref, timeref ) ;
|
---|
[1609] | 1672 |
|
---|
| 1673 | // put result
|
---|
| 1674 | specColOut.put( i, acc.getSpectrum() ) ;
|
---|
| 1675 | const Vector<Bool> &msk = acc.getMask() ;
|
---|
| 1676 | Vector<uChar> flg( msk.shape() ) ;
|
---|
| 1677 | convertArray( flg, !msk ) ;
|
---|
| 1678 | flagColOut.put( i, flg ) ;
|
---|
| 1679 | tsysColOut.put( i, acc.getTsys() ) ;
|
---|
| 1680 | intervalColOut.put( i, acc.getInterval() ) ;
|
---|
| 1681 | mjdColOut.put( i, acc.getTime() ) ;
|
---|
[1633] | 1682 | // change FREQ_ID to unshifted IF setting (only for APEX?)
|
---|
| 1683 | if ( choffset2 != 0.0 ) {
|
---|
[1673] | 1684 | uInt freqid = fidColOut( 0 ) ; // assume single-IF data
|
---|
[1633] | 1685 | double refpix, refval, increment ;
|
---|
| 1686 | out->frequencies().getEntry( refpix, refval, increment, freqid ) ;
|
---|
| 1687 | refval -= choffset * increment ;
|
---|
| 1688 | uInt newfreqid = out->frequencies().addEntry( refpix, refval, increment ) ;
|
---|
| 1689 | Vector<uInt> freqids = fidColOut.getColumn() ;
|
---|
| 1690 | for ( uInt j = 0 ; j < freqids.nelements() ; j++ ) {
|
---|
| 1691 | if ( freqids[j] == freqid )
|
---|
| 1692 | freqids[j] = newfreqid ;
|
---|
| 1693 | }
|
---|
| 1694 | fidColOut.putColumn( freqids ) ;
|
---|
| 1695 | }
|
---|
[1609] | 1696 |
|
---|
| 1697 | acc.reset() ;
|
---|
| 1698 | }
|
---|
| 1699 |
|
---|
| 1700 | return out ;
|
---|
| 1701 | }
|
---|
| 1702 |
|
---|
| 1703 |
|
---|
[805] | 1704 | CountedPtr< Scantable > STMath::freqSwitch( const CountedPtr< Scantable >& in )
|
---|
| 1705 | {
|
---|
| 1706 | // make copy or reference
|
---|
| 1707 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 1708 | Table& tout = out->table();
|
---|
[1008] | 1709 | Block<String> cols(4);
|
---|
[805] | 1710 | cols[0] = String("SCANNO");
|
---|
[1008] | 1711 | cols[1] = String("CYCLENO");
|
---|
| 1712 | cols[2] = String("BEAMNO");
|
---|
| 1713 | cols[3] = String("POLNO");
|
---|
[805] | 1714 | TableIterator iter(tout, cols);
|
---|
| 1715 | while (!iter.pastEnd()) {
|
---|
| 1716 | Table subt = iter.table();
|
---|
| 1717 | // this should leave us with two rows for the two IFs....if not ignore
|
---|
| 1718 | if (subt.nrow() != 2 ) {
|
---|
| 1719 | continue;
|
---|
[701] | 1720 | }
|
---|
[1008] | 1721 | ArrayColumn<Float> specCol(subt, "SPECTRA");
|
---|
| 1722 | ArrayColumn<Float> tsysCol(subt, "TSYS");
|
---|
| 1723 | ArrayColumn<uChar> flagCol(subt, "FLAGTRA");
|
---|
[805] | 1724 | Vector<Float> onspec,offspec, ontsys, offtsys;
|
---|
| 1725 | Vector<uChar> onflag, offflag;
|
---|
| 1726 | tsysCol.get(0, ontsys); tsysCol.get(1, offtsys);
|
---|
| 1727 | specCol.get(0, onspec); specCol.get(1, offspec);
|
---|
| 1728 | flagCol.get(0, onflag); flagCol.get(1, offflag);
|
---|
| 1729 | MaskedArray<Float> on = maskedArray(onspec, onflag);
|
---|
| 1730 | MaskedArray<Float> off = maskedArray(offspec, offflag);
|
---|
| 1731 | MaskedArray<Float> oncopy = on.copy();
|
---|
[248] | 1732 |
|
---|
[805] | 1733 | on /= off; on -= 1.0f;
|
---|
| 1734 | on *= ontsys[0];
|
---|
| 1735 | off /= oncopy; off -= 1.0f;
|
---|
| 1736 | off *= offtsys[0];
|
---|
| 1737 | specCol.put(0, on.getArray());
|
---|
| 1738 | const Vector<Bool>& m0 = on.getMask();
|
---|
| 1739 | Vector<uChar> flags0(m0.shape());
|
---|
| 1740 | convertArray(flags0, !m0);
|
---|
| 1741 | flagCol.put(0, flags0);
|
---|
[234] | 1742 |
|
---|
[805] | 1743 | specCol.put(1, off.getArray());
|
---|
| 1744 | const Vector<Bool>& m1 = off.getMask();
|
---|
| 1745 | Vector<uChar> flags1(m1.shape());
|
---|
| 1746 | convertArray(flags1, !m1);
|
---|
| 1747 | flagCol.put(1, flags1);
|
---|
[867] | 1748 | ++iter;
|
---|
[130] | 1749 | }
|
---|
[780] | 1750 |
|
---|
[805] | 1751 | return out;
|
---|
[9] | 1752 | }
|
---|
[48] | 1753 |
|
---|
[805] | 1754 | std::vector< float > STMath::statistic( const CountedPtr< Scantable > & in,
|
---|
| 1755 | const std::vector< bool > & mask,
|
---|
| 1756 | const std::string& which )
|
---|
[130] | 1757 | {
|
---|
| 1758 |
|
---|
[805] | 1759 | Vector<Bool> m(mask);
|
---|
| 1760 | const Table& tab = in->table();
|
---|
| 1761 | ROArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 1762 | ROArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
| 1763 | std::vector<float> out;
|
---|
| 1764 | for (uInt i=0; i < tab.nrow(); ++i ) {
|
---|
| 1765 | Vector<Float> spec; specCol.get(i, spec);
|
---|
[867] | 1766 | Vector<uChar> flag; flagCol.get(i, flag);
|
---|
| 1767 | MaskedArray<Float> ma = maskedArray(spec, flag);
|
---|
| 1768 | float outstat = 0.0;
|
---|
[805] | 1769 | if ( spec.nelements() == m.nelements() ) {
|
---|
| 1770 | outstat = mathutil::statistics(which, ma(m));
|
---|
| 1771 | } else {
|
---|
| 1772 | outstat = mathutil::statistics(which, ma);
|
---|
| 1773 | }
|
---|
| 1774 | out.push_back(outstat);
|
---|
[234] | 1775 | }
|
---|
[805] | 1776 | return out;
|
---|
[130] | 1777 | }
|
---|
| 1778 |
|
---|
[1516] | 1779 | std::vector< int > STMath::minMaxChan( const CountedPtr< Scantable > & in,
|
---|
[1514] | 1780 | const std::vector< bool > & mask,
|
---|
| 1781 | const std::string& which )
|
---|
| 1782 | {
|
---|
| 1783 |
|
---|
| 1784 | Vector<Bool> m(mask);
|
---|
| 1785 | const Table& tab = in->table();
|
---|
| 1786 | ROArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 1787 | ROArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
| 1788 | std::vector<int> out;
|
---|
| 1789 | for (uInt i=0; i < tab.nrow(); ++i ) {
|
---|
| 1790 | Vector<Float> spec; specCol.get(i, spec);
|
---|
| 1791 | Vector<uChar> flag; flagCol.get(i, flag);
|
---|
| 1792 | MaskedArray<Float> ma = maskedArray(spec, flag);
|
---|
| 1793 | if (ma.ndim() != 1) {
|
---|
| 1794 | throw (ArrayError(
|
---|
[1516] | 1795 | "std::vector<int> STMath::minMaxChan("
|
---|
[1514] | 1796 | "ContedPtr<Scantable> &in, std::vector<bool> &mask, "
|
---|
| 1797 | " std::string &which)"
|
---|
| 1798 | " - MaskedArray is not 1D"));
|
---|
| 1799 | }
|
---|
| 1800 | IPosition outpos(1,0);
|
---|
| 1801 | if ( spec.nelements() == m.nelements() ) {
|
---|
| 1802 | outpos = mathutil::minMaxPos(which, ma(m));
|
---|
| 1803 | } else {
|
---|
| 1804 | outpos = mathutil::minMaxPos(which, ma);
|
---|
| 1805 | }
|
---|
| 1806 | out.push_back(outpos[0]);
|
---|
| 1807 | }
|
---|
| 1808 | return out;
|
---|
| 1809 | }
|
---|
| 1810 |
|
---|
[805] | 1811 | CountedPtr< Scantable > STMath::bin( const CountedPtr< Scantable > & in,
|
---|
| 1812 | int width )
|
---|
[144] | 1813 | {
|
---|
[841] | 1814 | if ( !in->getSelection().empty() ) throw(AipsError("Can't bin subset of the data."));
|
---|
[805] | 1815 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 1816 | Table& tout = out->table();
|
---|
| 1817 | out->frequencies().rescale(width, "BIN");
|
---|
| 1818 | ArrayColumn<Float> specCol(tout, "SPECTRA");
|
---|
| 1819 | ArrayColumn<uChar> flagCol(tout, "FLAGTRA");
|
---|
| 1820 | for (uInt i=0; i < tout.nrow(); ++i ) {
|
---|
| 1821 | MaskedArray<Float> main = maskedArray(specCol(i), flagCol(i));
|
---|
| 1822 | MaskedArray<Float> maout;
|
---|
| 1823 | LatticeUtilities::bin(maout, main, 0, Int(width));
|
---|
| 1824 | /// @todo implement channel based tsys binning
|
---|
| 1825 | specCol.put(i, maout.getArray());
|
---|
| 1826 | flagCol.put(i, flagsFromMA(maout));
|
---|
| 1827 | // take only the first binned spectrum's length for the deprecated
|
---|
| 1828 | // global header item nChan
|
---|
| 1829 | if (i==0) tout.rwKeywordSet().define(String("nChan"),
|
---|
| 1830 | Int(maout.getArray().nelements()));
|
---|
[169] | 1831 | }
|
---|
[805] | 1832 | return out;
|
---|
[146] | 1833 | }
|
---|
| 1834 |
|
---|
[805] | 1835 | CountedPtr< Scantable > STMath::resample( const CountedPtr< Scantable >& in,
|
---|
| 1836 | const std::string& method,
|
---|
| 1837 | float width )
|
---|
[299] | 1838 | //
|
---|
| 1839 | // Should add the possibility of width being specified in km/s. This means
|
---|
[780] | 1840 | // that for each freqID (SpectralCoordinate) we will need to convert to an
|
---|
| 1841 | // average channel width (say at the reference pixel). Then we would need
|
---|
| 1842 | // to be careful to make sure each spectrum (of different freqID)
|
---|
[299] | 1843 | // is the same length.
|
---|
| 1844 | //
|
---|
| 1845 | {
|
---|
[996] | 1846 | //InterpolateArray1D<Double,Float>::InterpolationMethod interp;
|
---|
[805] | 1847 | Int interpMethod(stringToIMethod(method));
|
---|
[299] | 1848 |
|
---|
[805] | 1849 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 1850 | Table& tout = out->table();
|
---|
[299] | 1851 |
|
---|
| 1852 | // Resample SpectralCoordinates (one per freqID)
|
---|
[805] | 1853 | out->frequencies().rescale(width, "RESAMPLE");
|
---|
| 1854 | TableIterator iter(tout, "IFNO");
|
---|
| 1855 | TableRow row(tout);
|
---|
| 1856 | while ( !iter.pastEnd() ) {
|
---|
| 1857 | Table tab = iter.table();
|
---|
| 1858 | ArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 1859 | //ArrayColumn<Float> tsysCol(tout, "TSYS");
|
---|
| 1860 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
| 1861 | Vector<Float> spec;
|
---|
| 1862 | Vector<uChar> flag;
|
---|
| 1863 | specCol.get(0,spec); // the number of channels should be constant per IF
|
---|
| 1864 | uInt nChanIn = spec.nelements();
|
---|
| 1865 | Vector<Float> xIn(nChanIn); indgen(xIn);
|
---|
| 1866 | Int fac = Int(nChanIn/width);
|
---|
| 1867 | Vector<Float> xOut(fac+10); // 10 to be safe - resize later
|
---|
| 1868 | uInt k = 0;
|
---|
| 1869 | Float x = 0.0;
|
---|
| 1870 | while (x < Float(nChanIn) ) {
|
---|
| 1871 | xOut(k) = x;
|
---|
| 1872 | k++;
|
---|
| 1873 | x += width;
|
---|
| 1874 | }
|
---|
| 1875 | uInt nChanOut = k;
|
---|
| 1876 | xOut.resize(nChanOut, True);
|
---|
| 1877 | // process all rows for this IFNO
|
---|
| 1878 | Vector<Float> specOut;
|
---|
| 1879 | Vector<Bool> maskOut;
|
---|
| 1880 | Vector<uChar> flagOut;
|
---|
| 1881 | for (uInt i=0; i < tab.nrow(); ++i) {
|
---|
| 1882 | specCol.get(i, spec);
|
---|
| 1883 | flagCol.get(i, flag);
|
---|
| 1884 | Vector<Bool> mask(flag.nelements());
|
---|
| 1885 | convertArray(mask, flag);
|
---|
[299] | 1886 |
|
---|
[805] | 1887 | IPosition shapeIn(spec.shape());
|
---|
| 1888 | //sh.nchan = nChanOut;
|
---|
| 1889 | InterpolateArray1D<Float,Float>::interpolate(specOut, maskOut, xOut,
|
---|
| 1890 | xIn, spec, mask,
|
---|
| 1891 | interpMethod, True, True);
|
---|
| 1892 | /// @todo do the same for channel based Tsys
|
---|
| 1893 | flagOut.resize(maskOut.nelements());
|
---|
| 1894 | convertArray(flagOut, maskOut);
|
---|
| 1895 | specCol.put(i, specOut);
|
---|
| 1896 | flagCol.put(i, flagOut);
|
---|
| 1897 | }
|
---|
| 1898 | ++iter;
|
---|
[299] | 1899 | }
|
---|
| 1900 |
|
---|
[805] | 1901 | return out;
|
---|
| 1902 | }
|
---|
[299] | 1903 |
|
---|
[805] | 1904 | STMath::imethod STMath::stringToIMethod(const std::string& in)
|
---|
| 1905 | {
|
---|
| 1906 | static STMath::imap lookup;
|
---|
[299] | 1907 |
|
---|
[805] | 1908 | // initialize the lookup table if necessary
|
---|
| 1909 | if ( lookup.empty() ) {
|
---|
[926] | 1910 | lookup["nearest"] = InterpolateArray1D<Double,Float>::nearestNeighbour;
|
---|
| 1911 | lookup["linear"] = InterpolateArray1D<Double,Float>::linear;
|
---|
| 1912 | lookup["cubic"] = InterpolateArray1D<Double,Float>::cubic;
|
---|
| 1913 | lookup["spline"] = InterpolateArray1D<Double,Float>::spline;
|
---|
[299] | 1914 | }
|
---|
| 1915 |
|
---|
[805] | 1916 | STMath::imap::const_iterator iter = lookup.find(in);
|
---|
[299] | 1917 |
|
---|
[805] | 1918 | if ( lookup.end() == iter ) {
|
---|
| 1919 | std::string message = in;
|
---|
| 1920 | message += " is not a valid interpolation mode";
|
---|
| 1921 | throw(AipsError(message));
|
---|
[299] | 1922 | }
|
---|
[805] | 1923 | return iter->second;
|
---|
[299] | 1924 | }
|
---|
| 1925 |
|
---|
[805] | 1926 | WeightType STMath::stringToWeight(const std::string& in)
|
---|
[146] | 1927 | {
|
---|
[805] | 1928 | static std::map<std::string, WeightType> lookup;
|
---|
[434] | 1929 |
|
---|
[805] | 1930 | // initialize the lookup table if necessary
|
---|
| 1931 | if ( lookup.empty() ) {
|
---|
| 1932 | lookup["NONE"] = asap::NONE;
|
---|
| 1933 | lookup["TINT"] = asap::TINT;
|
---|
| 1934 | lookup["TINTSYS"] = asap::TINTSYS;
|
---|
| 1935 | lookup["TSYS"] = asap::TSYS;
|
---|
| 1936 | lookup["VAR"] = asap::VAR;
|
---|
| 1937 | }
|
---|
[434] | 1938 |
|
---|
[805] | 1939 | std::map<std::string, WeightType>::const_iterator iter = lookup.find(in);
|
---|
[294] | 1940 |
|
---|
[805] | 1941 | if ( lookup.end() == iter ) {
|
---|
| 1942 | std::string message = in;
|
---|
| 1943 | message += " is not a valid weighting mode";
|
---|
| 1944 | throw(AipsError(message));
|
---|
| 1945 | }
|
---|
| 1946 | return iter->second;
|
---|
[146] | 1947 | }
|
---|
| 1948 |
|
---|
[805] | 1949 | CountedPtr< Scantable > STMath::gainElevation( const CountedPtr< Scantable >& in,
|
---|
[867] | 1950 | const vector< float > & coeff,
|
---|
[805] | 1951 | const std::string & filename,
|
---|
| 1952 | const std::string& method)
|
---|
[165] | 1953 | {
|
---|
[805] | 1954 | // Get elevation data from Scantable and convert to degrees
|
---|
| 1955 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
[926] | 1956 | Table& tab = out->table();
|
---|
[805] | 1957 | ROScalarColumn<Float> elev(tab, "ELEVATION");
|
---|
| 1958 | Vector<Float> x = elev.getColumn();
|
---|
| 1959 | x *= Float(180 / C::pi); // Degrees
|
---|
[165] | 1960 |
|
---|
[867] | 1961 | Vector<Float> coeffs(coeff);
|
---|
[805] | 1962 | const uInt nc = coeffs.nelements();
|
---|
| 1963 | if ( filename.length() > 0 && nc > 0 ) {
|
---|
| 1964 | throw(AipsError("You must choose either polynomial coefficients or an ascii file, not both"));
|
---|
[315] | 1965 | }
|
---|
[165] | 1966 |
|
---|
[805] | 1967 | // Correct
|
---|
| 1968 | if ( nc > 0 || filename.length() == 0 ) {
|
---|
| 1969 | // Find instrument
|
---|
| 1970 | Bool throwit = True;
|
---|
| 1971 | Instrument inst =
|
---|
[878] | 1972 | STAttr::convertInstrument(tab.keywordSet().asString("AntennaName"),
|
---|
[805] | 1973 | throwit);
|
---|
[165] | 1974 |
|
---|
[805] | 1975 | // Set polynomial
|
---|
| 1976 | Polynomial<Float>* ppoly = 0;
|
---|
| 1977 | Vector<Float> coeff;
|
---|
| 1978 | String msg;
|
---|
| 1979 | if ( nc > 0 ) {
|
---|
| 1980 | ppoly = new Polynomial<Float>(nc);
|
---|
| 1981 | coeff = coeffs;
|
---|
| 1982 | msg = String("user");
|
---|
| 1983 | } else {
|
---|
[878] | 1984 | STAttr sdAttr;
|
---|
[805] | 1985 | coeff = sdAttr.gainElevationPoly(inst);
|
---|
| 1986 | ppoly = new Polynomial<Float>(3);
|
---|
| 1987 | msg = String("built in");
|
---|
| 1988 | }
|
---|
[532] | 1989 |
|
---|
[805] | 1990 | if ( coeff.nelements() > 0 ) {
|
---|
| 1991 | ppoly->setCoefficients(coeff);
|
---|
| 1992 | } else {
|
---|
| 1993 | delete ppoly;
|
---|
| 1994 | throw(AipsError("There is no known gain-elevation polynomial known for this instrument"));
|
---|
| 1995 | }
|
---|
| 1996 | ostringstream oss;
|
---|
| 1997 | oss << "Making polynomial correction with " << msg << " coefficients:" << endl;
|
---|
| 1998 | oss << " " << coeff;
|
---|
| 1999 | pushLog(String(oss));
|
---|
| 2000 | const uInt nrow = tab.nrow();
|
---|
| 2001 | Vector<Float> factor(nrow);
|
---|
| 2002 | for ( uInt i=0; i < nrow; ++i ) {
|
---|
| 2003 | factor[i] = 1.0 / (*ppoly)(x[i]);
|
---|
| 2004 | }
|
---|
| 2005 | delete ppoly;
|
---|
| 2006 | scaleByVector(tab, factor, true);
|
---|
[532] | 2007 |
|
---|
[805] | 2008 | } else {
|
---|
| 2009 | // Read and correct
|
---|
| 2010 | pushLog("Making correction from ascii Table");
|
---|
| 2011 | scaleFromAsciiTable(tab, filename, method, x, true);
|
---|
[532] | 2012 | }
|
---|
[805] | 2013 | return out;
|
---|
| 2014 | }
|
---|
[165] | 2015 |
|
---|
[805] | 2016 | void STMath::scaleFromAsciiTable(Table& in, const std::string& filename,
|
---|
| 2017 | const std::string& method,
|
---|
| 2018 | const Vector<Float>& xout, bool dotsys)
|
---|
| 2019 | {
|
---|
[165] | 2020 |
|
---|
[805] | 2021 | // Read gain-elevation ascii file data into a Table.
|
---|
[165] | 2022 |
|
---|
[805] | 2023 | String formatString;
|
---|
| 2024 | Table tbl = readAsciiTable(formatString, Table::Memory, filename, "", "", False);
|
---|
| 2025 | scaleFromTable(in, tbl, method, xout, dotsys);
|
---|
| 2026 | }
|
---|
[165] | 2027 |
|
---|
[805] | 2028 | void STMath::scaleFromTable(Table& in,
|
---|
| 2029 | const Table& table,
|
---|
| 2030 | const std::string& method,
|
---|
| 2031 | const Vector<Float>& xout, bool dotsys)
|
---|
| 2032 | {
|
---|
[780] | 2033 |
|
---|
[805] | 2034 | ROScalarColumn<Float> geElCol(table, "ELEVATION");
|
---|
| 2035 | ROScalarColumn<Float> geFacCol(table, "FACTOR");
|
---|
| 2036 | Vector<Float> xin = geElCol.getColumn();
|
---|
| 2037 | Vector<Float> yin = geFacCol.getColumn();
|
---|
| 2038 | Vector<Bool> maskin(xin.nelements(),True);
|
---|
[165] | 2039 |
|
---|
[805] | 2040 | // Interpolate (and extrapolate) with desired method
|
---|
[532] | 2041 |
|
---|
[996] | 2042 | InterpolateArray1D<Double,Float>::InterpolationMethod interp = stringToIMethod(method);
|
---|
[165] | 2043 |
|
---|
[805] | 2044 | Vector<Float> yout;
|
---|
| 2045 | Vector<Bool> maskout;
|
---|
| 2046 | InterpolateArray1D<Float,Float>::interpolate(yout, maskout, xout,
|
---|
[996] | 2047 | xin, yin, maskin, interp,
|
---|
[805] | 2048 | True, True);
|
---|
[165] | 2049 |
|
---|
[805] | 2050 | scaleByVector(in, Float(1.0)/yout, dotsys);
|
---|
[165] | 2051 | }
|
---|
[167] | 2052 |
|
---|
[805] | 2053 | void STMath::scaleByVector( Table& in,
|
---|
| 2054 | const Vector< Float >& factor,
|
---|
| 2055 | bool dotsys )
|
---|
[177] | 2056 | {
|
---|
[805] | 2057 | uInt nrow = in.nrow();
|
---|
| 2058 | if ( factor.nelements() != nrow ) {
|
---|
| 2059 | throw(AipsError("factors.nelements() != table.nelements()"));
|
---|
| 2060 | }
|
---|
| 2061 | ArrayColumn<Float> specCol(in, "SPECTRA");
|
---|
| 2062 | ArrayColumn<uChar> flagCol(in, "FLAGTRA");
|
---|
| 2063 | ArrayColumn<Float> tsysCol(in, "TSYS");
|
---|
| 2064 | for (uInt i=0; i < nrow; ++i) {
|
---|
| 2065 | MaskedArray<Float> ma = maskedArray(specCol(i), flagCol(i));
|
---|
| 2066 | ma *= factor[i];
|
---|
| 2067 | specCol.put(i, ma.getArray());
|
---|
| 2068 | flagCol.put(i, flagsFromMA(ma));
|
---|
| 2069 | if ( dotsys ) {
|
---|
[926] | 2070 | Vector<Float> tsys = tsysCol(i);
|
---|
[805] | 2071 | tsys *= factor[i];
|
---|
[926] | 2072 | tsysCol.put(i,tsys);
|
---|
[805] | 2073 | }
|
---|
| 2074 | }
|
---|
[177] | 2075 | }
|
---|
| 2076 |
|
---|
[805] | 2077 | CountedPtr< Scantable > STMath::convertFlux( const CountedPtr< Scantable >& in,
|
---|
| 2078 | float d, float etaap,
|
---|
| 2079 | float jyperk )
|
---|
[221] | 2080 | {
|
---|
[805] | 2081 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 2082 | Table& tab = in->table();
|
---|
| 2083 | Unit fluxUnit(tab.keywordSet().asString("FluxUnit"));
|
---|
[221] | 2084 | Unit K(String("K"));
|
---|
| 2085 | Unit JY(String("Jy"));
|
---|
[701] | 2086 |
|
---|
[805] | 2087 | bool tokelvin = true;
|
---|
| 2088 | Double cfac = 1.0;
|
---|
[716] | 2089 |
|
---|
[805] | 2090 | if ( fluxUnit == JY ) {
|
---|
[716] | 2091 | pushLog("Converting to K");
|
---|
[701] | 2092 | Quantum<Double> t(1.0,fluxUnit);
|
---|
| 2093 | Quantum<Double> t2 = t.get(JY);
|
---|
[805] | 2094 | cfac = (t2 / t).getValue(); // value to Jy
|
---|
[780] | 2095 |
|
---|
[805] | 2096 | tokelvin = true;
|
---|
| 2097 | out->setFluxUnit("K");
|
---|
| 2098 | } else if ( fluxUnit == K ) {
|
---|
[716] | 2099 | pushLog("Converting to Jy");
|
---|
[701] | 2100 | Quantum<Double> t(1.0,fluxUnit);
|
---|
| 2101 | Quantum<Double> t2 = t.get(K);
|
---|
[805] | 2102 | cfac = (t2 / t).getValue(); // value to K
|
---|
[780] | 2103 |
|
---|
[805] | 2104 | tokelvin = false;
|
---|
| 2105 | out->setFluxUnit("Jy");
|
---|
[221] | 2106 | } else {
|
---|
[701] | 2107 | throw(AipsError("Unrecognized brightness units in Table - must be consistent with Jy or K"));
|
---|
[221] | 2108 | }
|
---|
[701] | 2109 | // Make sure input values are converted to either Jy or K first...
|
---|
[805] | 2110 | Float factor = cfac;
|
---|
[221] | 2111 |
|
---|
[701] | 2112 | // Select method
|
---|
[805] | 2113 | if (jyperk > 0.0) {
|
---|
| 2114 | factor *= jyperk;
|
---|
| 2115 | if ( tokelvin ) factor = 1.0 / jyperk;
|
---|
[716] | 2116 | ostringstream oss;
|
---|
[805] | 2117 | oss << "Jy/K = " << jyperk;
|
---|
[716] | 2118 | pushLog(String(oss));
|
---|
[805] | 2119 | Vector<Float> factors(tab.nrow(), factor);
|
---|
| 2120 | scaleByVector(tab,factors, false);
|
---|
| 2121 | } else if ( etaap > 0.0) {
|
---|
[1319] | 2122 | if (d < 0) {
|
---|
| 2123 | Instrument inst =
|
---|
| 2124 | STAttr::convertInstrument(tab.keywordSet().asString("AntennaName"),
|
---|
| 2125 | True);
|
---|
| 2126 | STAttr sda;
|
---|
| 2127 | d = sda.diameter(inst);
|
---|
| 2128 | }
|
---|
[996] | 2129 | jyperk = STAttr::findJyPerK(etaap, d);
|
---|
[716] | 2130 | ostringstream oss;
|
---|
[805] | 2131 | oss << "Jy/K = " << jyperk;
|
---|
[716] | 2132 | pushLog(String(oss));
|
---|
[805] | 2133 | factor *= jyperk;
|
---|
| 2134 | if ( tokelvin ) {
|
---|
[701] | 2135 | factor = 1.0 / factor;
|
---|
| 2136 | }
|
---|
[805] | 2137 | Vector<Float> factors(tab.nrow(), factor);
|
---|
| 2138 | scaleByVector(tab, factors, False);
|
---|
[354] | 2139 | } else {
|
---|
[780] | 2140 |
|
---|
[701] | 2141 | // OK now we must deal with automatic look up of values.
|
---|
| 2142 | // We must also deal with the fact that the factors need
|
---|
| 2143 | // to be computed per IF and may be different and may
|
---|
| 2144 | // change per integration.
|
---|
[780] | 2145 |
|
---|
[716] | 2146 | pushLog("Looking up conversion factors");
|
---|
[805] | 2147 | convertBrightnessUnits(out, tokelvin, cfac);
|
---|
[701] | 2148 | }
|
---|
[805] | 2149 |
|
---|
| 2150 | return out;
|
---|
[221] | 2151 | }
|
---|
| 2152 |
|
---|
[805] | 2153 | void STMath::convertBrightnessUnits( CountedPtr<Scantable>& in,
|
---|
| 2154 | bool tokelvin, float cfac )
|
---|
[227] | 2155 | {
|
---|
[805] | 2156 | Table& table = in->table();
|
---|
| 2157 | Instrument inst =
|
---|
[878] | 2158 | STAttr::convertInstrument(table.keywordSet().asString("AntennaName"), True);
|
---|
[805] | 2159 | TableIterator iter(table, "FREQ_ID");
|
---|
| 2160 | STFrequencies stfreqs = in->frequencies();
|
---|
[878] | 2161 | STAttr sdAtt;
|
---|
[805] | 2162 | while (!iter.pastEnd()) {
|
---|
| 2163 | Table tab = iter.table();
|
---|
| 2164 | ArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 2165 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
| 2166 | ROScalarColumn<uInt> freqidCol(tab, "FREQ_ID");
|
---|
| 2167 | MEpoch::ROScalarColumn timeCol(tab, "TIME");
|
---|
[234] | 2168 |
|
---|
[805] | 2169 | uInt freqid; freqidCol.get(0, freqid);
|
---|
| 2170 | Vector<Float> tmpspec; specCol.get(0, tmpspec);
|
---|
[878] | 2171 | // STAttr.JyPerK has a Vector interface... change sometime.
|
---|
[805] | 2172 | Vector<Float> freqs(1,stfreqs.getRefFreq(freqid, tmpspec.nelements()));
|
---|
| 2173 | for ( uInt i=0; i<tab.nrow(); ++i) {
|
---|
| 2174 | Float jyperk = (sdAtt.JyPerK(inst, timeCol(i), freqs))[0];
|
---|
| 2175 | Float factor = cfac * jyperk;
|
---|
| 2176 | if ( tokelvin ) factor = Float(1.0) / factor;
|
---|
| 2177 | MaskedArray<Float> ma = maskedArray(specCol(i), flagCol(i));
|
---|
| 2178 | ma *= factor;
|
---|
| 2179 | specCol.put(i, ma.getArray());
|
---|
| 2180 | flagCol.put(i, flagsFromMA(ma));
|
---|
| 2181 | }
|
---|
[867] | 2182 | ++iter;
|
---|
[234] | 2183 | }
|
---|
[230] | 2184 | }
|
---|
[227] | 2185 |
|
---|
[805] | 2186 | CountedPtr< Scantable > STMath::opacity( const CountedPtr< Scantable > & in,
|
---|
| 2187 | float tau )
|
---|
[234] | 2188 | {
|
---|
[805] | 2189 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
[926] | 2190 |
|
---|
| 2191 | Table tab = out->table();
|
---|
[234] | 2192 | ROScalarColumn<Float> elev(tab, "ELEVATION");
|
---|
[805] | 2193 | ArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 2194 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
[1603] | 2195 | ArrayColumn<Float> tsysCol(tab, "TSYS");
|
---|
[805] | 2196 | for ( uInt i=0; i<tab.nrow(); ++i) {
|
---|
| 2197 | Float zdist = Float(C::pi_2) - elev(i);
|
---|
[1318] | 2198 | Float factor = exp(tau/cos(zdist));
|
---|
[926] | 2199 | MaskedArray<Float> ma = maskedArray(specCol(i), flagCol(i));
|
---|
[805] | 2200 | ma *= factor;
|
---|
| 2201 | specCol.put(i, ma.getArray());
|
---|
| 2202 | flagCol.put(i, flagsFromMA(ma));
|
---|
[1603] | 2203 | Vector<Float> tsys;
|
---|
| 2204 | tsysCol.get(i, tsys);
|
---|
| 2205 | tsys *= factor;
|
---|
| 2206 | tsysCol.put(i, tsys);
|
---|
[234] | 2207 | }
|
---|
[805] | 2208 | return out;
|
---|
[234] | 2209 | }
|
---|
| 2210 |
|
---|
[1373] | 2211 | CountedPtr< Scantable > STMath::smoothOther( const CountedPtr< Scantable >& in,
|
---|
| 2212 | const std::string& kernel,
|
---|
| 2213 | float width )
|
---|
| 2214 | {
|
---|
| 2215 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 2216 | Table& table = out->table();
|
---|
| 2217 | ArrayColumn<Float> specCol(table, "SPECTRA");
|
---|
| 2218 | ArrayColumn<uChar> flagCol(table, "FLAGTRA");
|
---|
| 2219 | Vector<Float> spec;
|
---|
| 2220 | Vector<uChar> flag;
|
---|
| 2221 | for ( uInt i=0; i<table.nrow(); ++i) {
|
---|
| 2222 | specCol.get(i, spec);
|
---|
| 2223 | flagCol.get(i, flag);
|
---|
| 2224 | Vector<Bool> mask(flag.nelements());
|
---|
| 2225 | convertArray(mask, flag);
|
---|
| 2226 | Vector<Float> specout;
|
---|
| 2227 | Vector<Bool> maskout;
|
---|
| 2228 | if ( kernel == "hanning" ) {
|
---|
| 2229 | mathutil::hanning(specout, maskout, spec , !mask);
|
---|
| 2230 | convertArray(flag, !maskout);
|
---|
| 2231 | } else if ( kernel == "rmedian" ) {
|
---|
| 2232 | mathutil::runningMedian(specout, maskout, spec , mask, width);
|
---|
| 2233 | convertArray(flag, maskout);
|
---|
| 2234 | }
|
---|
| 2235 | flagCol.put(i, flag);
|
---|
| 2236 | specCol.put(i, specout);
|
---|
| 2237 | }
|
---|
| 2238 | return out;
|
---|
| 2239 | }
|
---|
| 2240 |
|
---|
[805] | 2241 | CountedPtr< Scantable > STMath::smooth( const CountedPtr< Scantable >& in,
|
---|
| 2242 | const std::string& kernel, float width )
|
---|
[457] | 2243 | {
|
---|
[1373] | 2244 | if (kernel == "rmedian" || kernel == "hanning") {
|
---|
| 2245 | return smoothOther(in, kernel, width);
|
---|
| 2246 | }
|
---|
[805] | 2247 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
[1033] | 2248 | Table& table = out->table();
|
---|
[805] | 2249 | VectorKernel::KernelTypes type = VectorKernel::toKernelType(kernel);
|
---|
| 2250 | // same IFNO should have same no of channels
|
---|
| 2251 | // this saves overhead
|
---|
| 2252 | TableIterator iter(table, "IFNO");
|
---|
| 2253 | while (!iter.pastEnd()) {
|
---|
| 2254 | Table tab = iter.table();
|
---|
| 2255 | ArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 2256 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
| 2257 | Vector<Float> tmpspec; specCol.get(0, tmpspec);
|
---|
| 2258 | uInt nchan = tmpspec.nelements();
|
---|
| 2259 | Vector<Float> kvec = VectorKernel::make(type, width, nchan, True, False);
|
---|
| 2260 | Convolver<Float> conv(kvec, IPosition(1,nchan));
|
---|
| 2261 | Vector<Float> spec;
|
---|
| 2262 | Vector<uChar> flag;
|
---|
| 2263 | for ( uInt i=0; i<tab.nrow(); ++i) {
|
---|
| 2264 | specCol.get(i, spec);
|
---|
| 2265 | flagCol.get(i, flag);
|
---|
| 2266 | Vector<Bool> mask(flag.nelements());
|
---|
| 2267 | convertArray(mask, flag);
|
---|
| 2268 | Vector<Float> specout;
|
---|
[1373] | 2269 | mathutil::replaceMaskByZero(specout, mask);
|
---|
| 2270 | conv.linearConv(specout, spec);
|
---|
| 2271 | specCol.put(i, specout);
|
---|
[805] | 2272 | }
|
---|
[867] | 2273 | ++iter;
|
---|
[701] | 2274 | }
|
---|
[805] | 2275 | return out;
|
---|
[701] | 2276 | }
|
---|
[841] | 2277 |
|
---|
| 2278 | CountedPtr< Scantable >
|
---|
| 2279 | STMath::merge( const std::vector< CountedPtr < Scantable > >& in )
|
---|
| 2280 | {
|
---|
| 2281 | if ( in.size() < 2 ) {
|
---|
[862] | 2282 | throw(AipsError("Need at least two scantables to perform a merge."));
|
---|
[841] | 2283 | }
|
---|
| 2284 | std::vector<CountedPtr < Scantable > >::const_iterator it = in.begin();
|
---|
| 2285 | bool insitu = insitu_;
|
---|
| 2286 | setInsitu(false);
|
---|
[862] | 2287 | CountedPtr< Scantable > out = getScantable(*it, false);
|
---|
[841] | 2288 | setInsitu(insitu);
|
---|
| 2289 | Table& tout = out->table();
|
---|
| 2290 | ScalarColumn<uInt> freqidcol(tout,"FREQ_ID"), molidcol(tout, "MOLECULE_ID");
|
---|
[917] | 2291 | ScalarColumn<uInt> scannocol(tout,"SCANNO"), focusidcol(tout,"FOCUS_ID");
|
---|
| 2292 | // Renumber SCANNO to be 0-based
|
---|
[926] | 2293 | Vector<uInt> scannos = scannocol.getColumn();
|
---|
| 2294 | uInt offset = min(scannos);
|
---|
[917] | 2295 | scannos -= offset;
|
---|
[926] | 2296 | scannocol.putColumn(scannos);
|
---|
| 2297 | uInt newscanno = max(scannos)+1;
|
---|
[862] | 2298 | ++it;
|
---|
[841] | 2299 | while ( it != in.end() ){
|
---|
| 2300 | if ( ! (*it)->conformant(*out) ) {
|
---|
[1603] | 2301 | // non conformant.
|
---|
| 2302 | pushLog(String("Warning: Can't merge scantables as header info differs."));
|
---|
[841] | 2303 | }
|
---|
[862] | 2304 | out->appendToHistoryTable((*it)->history());
|
---|
[841] | 2305 | const Table& tab = (*it)->table();
|
---|
| 2306 | TableIterator scanit(tab, "SCANNO");
|
---|
| 2307 | while (!scanit.pastEnd()) {
|
---|
| 2308 | TableIterator freqit(scanit.table(), "FREQ_ID");
|
---|
| 2309 | while ( !freqit.pastEnd() ) {
|
---|
| 2310 | Table thetab = freqit.table();
|
---|
| 2311 | uInt nrow = tout.nrow();
|
---|
[1603] | 2312 | tout.addRow(thetab.nrow());
|
---|
[841] | 2313 | TableCopy::copyRows(tout, thetab, nrow, 0, thetab.nrow());
|
---|
| 2314 | ROTableRow row(thetab);
|
---|
| 2315 | for ( uInt i=0; i<thetab.nrow(); ++i) {
|
---|
| 2316 | uInt k = nrow+i;
|
---|
| 2317 | scannocol.put(k, newscanno);
|
---|
| 2318 | const TableRecord& rec = row.get(i);
|
---|
| 2319 | Double rv,rp,inc;
|
---|
| 2320 | (*it)->frequencies().getEntry(rp, rv, inc, rec.asuInt("FREQ_ID"));
|
---|
| 2321 | uInt id;
|
---|
| 2322 | id = out->frequencies().addEntry(rp, rv, inc);
|
---|
| 2323 | freqidcol.put(k,id);
|
---|
[1446] | 2324 | //String name,fname;Double rf;
|
---|
| 2325 | Vector<String> name,fname;Vector<Double> rf;
|
---|
[841] | 2326 | (*it)->molecules().getEntry(rf, name, fname, rec.asuInt("MOLECULE_ID"));
|
---|
| 2327 | id = out->molecules().addEntry(rf, name, fname);
|
---|
| 2328 | molidcol.put(k, id);
|
---|
[961] | 2329 | Float frot,fax,ftan,fhand,fmount,fuser, fxy, fxyp;
|
---|
| 2330 | (*it)->focus().getEntry(fax, ftan, frot, fhand,
|
---|
| 2331 | fmount,fuser, fxy, fxyp,
|
---|
| 2332 | rec.asuInt("FOCUS_ID"));
|
---|
| 2333 | id = out->focus().addEntry(fax, ftan, frot, fhand,
|
---|
| 2334 | fmount,fuser, fxy, fxyp);
|
---|
[841] | 2335 | focusidcol.put(k, id);
|
---|
| 2336 | }
|
---|
| 2337 | ++freqit;
|
---|
| 2338 | }
|
---|
| 2339 | ++newscanno;
|
---|
| 2340 | ++scanit;
|
---|
| 2341 | }
|
---|
| 2342 | ++it;
|
---|
| 2343 | }
|
---|
| 2344 | return out;
|
---|
| 2345 | }
|
---|
[896] | 2346 |
|
---|
| 2347 | CountedPtr< Scantable >
|
---|
| 2348 | STMath::invertPhase( const CountedPtr < Scantable >& in )
|
---|
| 2349 | {
|
---|
[996] | 2350 | return applyToPol(in, &STPol::invertPhase, Float(0.0));
|
---|
[896] | 2351 | }
|
---|
| 2352 |
|
---|
| 2353 | CountedPtr< Scantable >
|
---|
| 2354 | STMath::rotateXYPhase( const CountedPtr < Scantable >& in, float phase )
|
---|
| 2355 | {
|
---|
| 2356 | return applyToPol(in, &STPol::rotatePhase, Float(phase));
|
---|
| 2357 | }
|
---|
| 2358 |
|
---|
| 2359 | CountedPtr< Scantable >
|
---|
| 2360 | STMath::rotateLinPolPhase( const CountedPtr < Scantable >& in, float phase )
|
---|
| 2361 | {
|
---|
| 2362 | return applyToPol(in, &STPol::rotateLinPolPhase, Float(phase));
|
---|
| 2363 | }
|
---|
| 2364 |
|
---|
| 2365 | CountedPtr< Scantable > STMath::applyToPol( const CountedPtr<Scantable>& in,
|
---|
| 2366 | STPol::polOperation fptr,
|
---|
| 2367 | Float phase )
|
---|
| 2368 | {
|
---|
| 2369 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 2370 | Table& tout = out->table();
|
---|
| 2371 | Block<String> cols(4);
|
---|
| 2372 | cols[0] = String("SCANNO");
|
---|
| 2373 | cols[1] = String("BEAMNO");
|
---|
| 2374 | cols[2] = String("IFNO");
|
---|
| 2375 | cols[3] = String("CYCLENO");
|
---|
| 2376 | TableIterator iter(tout, cols);
|
---|
[1384] | 2377 | CountedPtr<STPol> stpol = STPol::getPolClass(out->factories_,
|
---|
| 2378 | out->getPolType() );
|
---|
[896] | 2379 | while (!iter.pastEnd()) {
|
---|
| 2380 | Table t = iter.table();
|
---|
| 2381 | ArrayColumn<Float> speccol(t, "SPECTRA");
|
---|
[1015] | 2382 | ScalarColumn<uInt> focidcol(t, "FOCUS_ID");
|
---|
| 2383 | ScalarColumn<Float> parancol(t, "PARANGLE");
|
---|
[1384] | 2384 | Matrix<Float> pols(speccol.getColumn());
|
---|
[896] | 2385 | try {
|
---|
| 2386 | stpol->setSpectra(pols);
|
---|
[1015] | 2387 | Float fang,fhand,parang;
|
---|
| 2388 | fang = in->focusTable_.getTotalFeedAngle(focidcol(0));
|
---|
| 2389 | fhand = in->focusTable_.getFeedHand(focidcol(0));
|
---|
| 2390 | parang = parancol(0);
|
---|
| 2391 | /// @todo re-enable this
|
---|
| 2392 | // disable total feed angle to support paralactifying Caswell style
|
---|
| 2393 | stpol->setPhaseCorrections(parang, -parang, fhand);
|
---|
[1384] | 2394 | // use a member function pointer in STPol. This only works on
|
---|
| 2395 | // the STPol pointer itself, not the Counted Pointer so
|
---|
| 2396 | // derefernce it.
|
---|
| 2397 | (&(*(stpol))->*fptr)(phase);
|
---|
[896] | 2398 | speccol.putColumn(stpol->getSpectra());
|
---|
| 2399 | } catch (AipsError& e) {
|
---|
[1384] | 2400 | //delete stpol;stpol=0;
|
---|
[896] | 2401 | throw(e);
|
---|
| 2402 | }
|
---|
| 2403 | ++iter;
|
---|
| 2404 | }
|
---|
[1384] | 2405 | //delete stpol;stpol=0;
|
---|
[896] | 2406 | return out;
|
---|
| 2407 | }
|
---|
| 2408 |
|
---|
| 2409 | CountedPtr< Scantable >
|
---|
| 2410 | STMath::swapPolarisations( const CountedPtr< Scantable > & in )
|
---|
| 2411 | {
|
---|
| 2412 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 2413 | Table& tout = out->table();
|
---|
| 2414 | Table t0 = tout(tout.col("POLNO") == 0);
|
---|
| 2415 | Table t1 = tout(tout.col("POLNO") == 1);
|
---|
| 2416 | if ( t0.nrow() != t1.nrow() )
|
---|
| 2417 | throw(AipsError("Inconsistent number of polarisations"));
|
---|
| 2418 | ArrayColumn<Float> speccol0(t0, "SPECTRA");
|
---|
| 2419 | ArrayColumn<uChar> flagcol0(t0, "FLAGTRA");
|
---|
| 2420 | ArrayColumn<Float> speccol1(t1, "SPECTRA");
|
---|
| 2421 | ArrayColumn<uChar> flagcol1(t1, "FLAGTRA");
|
---|
| 2422 | Matrix<Float> s0 = speccol0.getColumn();
|
---|
| 2423 | Matrix<uChar> f0 = flagcol0.getColumn();
|
---|
| 2424 | speccol0.putColumn(speccol1.getColumn());
|
---|
| 2425 | flagcol0.putColumn(flagcol1.getColumn());
|
---|
| 2426 | speccol1.putColumn(s0);
|
---|
| 2427 | flagcol1.putColumn(f0);
|
---|
| 2428 | return out;
|
---|
| 2429 | }
|
---|
[917] | 2430 |
|
---|
| 2431 | CountedPtr< Scantable >
|
---|
[940] | 2432 | STMath::averagePolarisations( const CountedPtr< Scantable > & in,
|
---|
| 2433 | const std::vector<bool>& mask,
|
---|
| 2434 | const std::string& weight )
|
---|
| 2435 | {
|
---|
[1232] | 2436 | if (in->npol() < 2 )
|
---|
| 2437 | throw(AipsError("averagePolarisations can only be applied to two or more"
|
---|
| 2438 | "polarisations"));
|
---|
[1010] | 2439 | bool insitu = insitu_;
|
---|
| 2440 | setInsitu(false);
|
---|
[1232] | 2441 | CountedPtr< Scantable > pols = getScantable(in, true);
|
---|
[1010] | 2442 | setInsitu(insitu);
|
---|
| 2443 | Table& tout = pols->table();
|
---|
[1232] | 2444 | std::string taql = "SELECT FROM $1 WHERE POLNO IN [0,1]";
|
---|
| 2445 | Table tab = tableCommand(taql, in->table());
|
---|
| 2446 | if (tab.nrow() == 0 )
|
---|
| 2447 | throw(AipsError("Could not find any rows with POLNO==0 and POLNO==1"));
|
---|
| 2448 | TableCopy::copyRows(tout, tab);
|
---|
[1145] | 2449 | TableVector<uInt> vec(tout, "POLNO");
|
---|
[940] | 2450 | vec = 0;
|
---|
[1145] | 2451 | pols->table_.rwKeywordSet().define("nPol", Int(1));
|
---|
[1387] | 2452 | //pols->table_.rwKeywordSet().define("POLTYPE", String("stokes"));
|
---|
| 2453 | pols->table_.rwKeywordSet().define("POLTYPE", in->getPolType());
|
---|
[1010] | 2454 | std::vector<CountedPtr<Scantable> > vpols;
|
---|
| 2455 | vpols.push_back(pols);
|
---|
[1232] | 2456 | CountedPtr< Scantable > out = average(vpols, mask, weight, "SCAN");
|
---|
[940] | 2457 | return out;
|
---|
| 2458 | }
|
---|
| 2459 |
|
---|
[1145] | 2460 | CountedPtr< Scantable >
|
---|
| 2461 | STMath::averageBeams( const CountedPtr< Scantable > & in,
|
---|
| 2462 | const std::vector<bool>& mask,
|
---|
| 2463 | const std::string& weight )
|
---|
| 2464 | {
|
---|
| 2465 | bool insitu = insitu_;
|
---|
| 2466 | setInsitu(false);
|
---|
| 2467 | CountedPtr< Scantable > beams = getScantable(in, false);
|
---|
| 2468 | setInsitu(insitu);
|
---|
| 2469 | Table& tout = beams->table();
|
---|
| 2470 | // give all rows the same BEAMNO
|
---|
| 2471 | TableVector<uInt> vec(tout, "BEAMNO");
|
---|
| 2472 | vec = 0;
|
---|
| 2473 | beams->table_.rwKeywordSet().define("nBeam", Int(1));
|
---|
| 2474 | std::vector<CountedPtr<Scantable> > vbeams;
|
---|
| 2475 | vbeams.push_back(beams);
|
---|
[1232] | 2476 | CountedPtr< Scantable > out = average(vbeams, mask, weight, "SCAN");
|
---|
[1145] | 2477 | return out;
|
---|
| 2478 | }
|
---|
[940] | 2479 |
|
---|
[1145] | 2480 |
|
---|
[940] | 2481 | CountedPtr< Scantable >
|
---|
[917] | 2482 | asap::STMath::frequencyAlign( const CountedPtr< Scantable > & in,
|
---|
| 2483 | const std::string & refTime,
|
---|
[926] | 2484 | const std::string & method)
|
---|
[917] | 2485 | {
|
---|
[940] | 2486 | // clone as this is not working insitu
|
---|
| 2487 | bool insitu = insitu_;
|
---|
| 2488 | setInsitu(false);
|
---|
[917] | 2489 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
[940] | 2490 | setInsitu(insitu);
|
---|
[917] | 2491 | Table& tout = out->table();
|
---|
| 2492 | // Get reference Epoch to time of first row or given String
|
---|
| 2493 | Unit DAY(String("d"));
|
---|
| 2494 | MEpoch::Ref epochRef(in->getTimeReference());
|
---|
| 2495 | MEpoch refEpoch;
|
---|
| 2496 | if (refTime.length()>0) {
|
---|
| 2497 | Quantum<Double> qt;
|
---|
| 2498 | if (MVTime::read(qt,refTime)) {
|
---|
| 2499 | MVEpoch mv(qt);
|
---|
| 2500 | refEpoch = MEpoch(mv, epochRef);
|
---|
| 2501 | } else {
|
---|
| 2502 | throw(AipsError("Invalid format for Epoch string"));
|
---|
| 2503 | }
|
---|
| 2504 | } else {
|
---|
| 2505 | refEpoch = in->timeCol_(0);
|
---|
| 2506 | }
|
---|
| 2507 | MPosition refPos = in->getAntennaPosition();
|
---|
[940] | 2508 |
|
---|
[996] | 2509 | InterpolateArray1D<Double,Float>::InterpolationMethod interp = stringToIMethod(method);
|
---|
[1603] | 2510 | /*
|
---|
| 2511 | // Comment from MV.
|
---|
| 2512 | // the following code has been commented out because different FREQ_IDs have to be aligned together even
|
---|
| 2513 | // if the frame doesn't change. So far, lack of this check didn't cause any problems.
|
---|
[917] | 2514 | // test if user frame is different to base frame
|
---|
| 2515 | if ( in->frequencies().getFrameString(true)
|
---|
| 2516 | == in->frequencies().getFrameString(false) ) {
|
---|
[985] | 2517 | throw(AipsError("Can't convert as no output frame has been set"
|
---|
| 2518 | " (use set_freqframe) or it is aligned already."));
|
---|
[917] | 2519 | }
|
---|
[1603] | 2520 | */
|
---|
[917] | 2521 | MFrequency::Types system = in->frequencies().getFrame();
|
---|
[940] | 2522 | MVTime mvt(refEpoch.getValue());
|
---|
| 2523 | String epochout = mvt.string(MVTime::YMD) + String(" (") + refEpoch.getRefString() + String(")");
|
---|
| 2524 | ostringstream oss;
|
---|
| 2525 | oss << "Aligned at reference Epoch " << epochout
|
---|
| 2526 | << " in frame " << MFrequency::showType(system);
|
---|
| 2527 | pushLog(String(oss));
|
---|
[917] | 2528 | // set up the iterator
|
---|
[926] | 2529 | Block<String> cols(4);
|
---|
| 2530 | // select by constant direction
|
---|
[917] | 2531 | cols[0] = String("SRCNAME");
|
---|
| 2532 | cols[1] = String("BEAMNO");
|
---|
| 2533 | // select by IF ( no of channels varies over this )
|
---|
| 2534 | cols[2] = String("IFNO");
|
---|
[926] | 2535 | // select by restfrequency
|
---|
| 2536 | cols[3] = String("MOLECULE_ID");
|
---|
[917] | 2537 | TableIterator iter(tout, cols);
|
---|
[926] | 2538 | while ( !iter.pastEnd() ) {
|
---|
[917] | 2539 | Table t = iter.table();
|
---|
| 2540 | MDirection::ROScalarColumn dirCol(t, "DIRECTION");
|
---|
[926] | 2541 | TableIterator fiter(t, "FREQ_ID");
|
---|
[917] | 2542 | // determine nchan from the first row. This should work as
|
---|
[926] | 2543 | // we are iterating over BEAMNO and IFNO // we should have constant direction
|
---|
| 2544 |
|
---|
[917] | 2545 | ROArrayColumn<Float> sCol(t, "SPECTRA");
|
---|
[1603] | 2546 | const MDirection direction = dirCol(0);
|
---|
| 2547 | const uInt nchan = sCol(0).nelements();
|
---|
| 2548 |
|
---|
| 2549 | // skip operations if there is nothing to align
|
---|
| 2550 | if (fiter.pastEnd()) {
|
---|
| 2551 | continue;
|
---|
| 2552 | }
|
---|
| 2553 |
|
---|
| 2554 | Table ftab = fiter.table();
|
---|
| 2555 | // align all frequency ids with respect to the first encountered id
|
---|
| 2556 | ScalarColumn<uInt> freqidCol(ftab, "FREQ_ID");
|
---|
| 2557 | // get the SpectralCoordinate for the freqid, which we are iterating over
|
---|
| 2558 | SpectralCoordinate sC = in->frequencies().getSpectralCoordinate(freqidCol(0));
|
---|
| 2559 | FrequencyAligner<Float> fa( sC, nchan, refEpoch,
|
---|
| 2560 | direction, refPos, system );
|
---|
| 2561 | // realign the SpectralCoordinate and put into the output Scantable
|
---|
| 2562 | Vector<String> units(1);
|
---|
| 2563 | units = String("Hz");
|
---|
| 2564 | Bool linear=True;
|
---|
| 2565 | SpectralCoordinate sc2 = fa.alignedSpectralCoordinate(linear);
|
---|
| 2566 | sc2.setWorldAxisUnits(units);
|
---|
| 2567 | const uInt id = out->frequencies().addEntry(sc2.referencePixel()[0],
|
---|
| 2568 | sc2.referenceValue()[0],
|
---|
| 2569 | sc2.increment()[0]);
|
---|
[926] | 2570 | while ( !fiter.pastEnd() ) {
|
---|
[1603] | 2571 | ftab = fiter.table();
|
---|
| 2572 | // spectral coordinate for the current FREQ_ID
|
---|
| 2573 | ScalarColumn<uInt> freqidCol2(ftab, "FREQ_ID");
|
---|
| 2574 | sC = in->frequencies().getSpectralCoordinate(freqidCol2(0));
|
---|
[926] | 2575 | // create the "global" abcissa for alignment with same FREQ_ID
|
---|
| 2576 | Vector<Double> abc(nchan);
|
---|
[917] | 2577 | for (uInt i=0; i<nchan; i++) {
|
---|
[1603] | 2578 | Double w;
|
---|
| 2579 | sC.toWorld(w,Double(i));
|
---|
| 2580 | abc[i] = w;
|
---|
[917] | 2581 | }
|
---|
[1603] | 2582 | TableVector<uInt> tvec(ftab, "FREQ_ID");
|
---|
| 2583 | // assign new frequency id to all rows
|
---|
| 2584 | tvec = id;
|
---|
[926] | 2585 | // cache abcissa for same time stamps, so iterate over those
|
---|
| 2586 | TableIterator timeiter(ftab, "TIME");
|
---|
| 2587 | while ( !timeiter.pastEnd() ) {
|
---|
| 2588 | Table tab = timeiter.table();
|
---|
| 2589 | ArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 2590 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
| 2591 | MEpoch::ROScalarColumn timeCol(tab, "TIME");
|
---|
| 2592 | // use align abcissa cache after the first row
|
---|
[1603] | 2593 | // these rows should be just be POLNO
|
---|
[926] | 2594 | bool first = true;
|
---|
[996] | 2595 | for (int i=0; i<int(tab.nrow()); ++i) {
|
---|
[926] | 2596 | // input values
|
---|
| 2597 | Vector<uChar> flag = flagCol(i);
|
---|
| 2598 | Vector<Bool> mask(flag.shape());
|
---|
| 2599 | Vector<Float> specOut, spec;
|
---|
| 2600 | spec = specCol(i);
|
---|
| 2601 | Vector<Bool> maskOut;Vector<uChar> flagOut;
|
---|
| 2602 | convertArray(mask, flag);
|
---|
| 2603 | // alignment
|
---|
| 2604 | Bool ok = fa.align(specOut, maskOut, abc, spec,
|
---|
| 2605 | mask, timeCol(i), !first,
|
---|
| 2606 | interp, False);
|
---|
| 2607 | // back into scantable
|
---|
| 2608 | flagOut.resize(maskOut.nelements());
|
---|
| 2609 | convertArray(flagOut, maskOut);
|
---|
| 2610 | flagCol.put(i, flagOut);
|
---|
| 2611 | specCol.put(i, specOut);
|
---|
| 2612 | // start abcissa caching
|
---|
| 2613 | first = false;
|
---|
[917] | 2614 | }
|
---|
[926] | 2615 | // next timestamp
|
---|
| 2616 | ++timeiter;
|
---|
[917] | 2617 | }
|
---|
[940] | 2618 | // next FREQ_ID
|
---|
[926] | 2619 | ++fiter;
|
---|
[917] | 2620 | }
|
---|
| 2621 | // next aligner
|
---|
| 2622 | ++iter;
|
---|
| 2623 | }
|
---|
[940] | 2624 | // set this afterwards to ensure we are doing insitu correctly.
|
---|
| 2625 | out->frequencies().setFrame(system, true);
|
---|
[917] | 2626 | return out;
|
---|
| 2627 | }
|
---|
[992] | 2628 |
|
---|
| 2629 | CountedPtr<Scantable>
|
---|
| 2630 | asap::STMath::convertPolarisation( const CountedPtr<Scantable>& in,
|
---|
| 2631 | const std::string & newtype )
|
---|
| 2632 | {
|
---|
| 2633 | if (in->npol() != 2 && in->npol() != 4)
|
---|
| 2634 | throw(AipsError("Can only convert two or four polarisations."));
|
---|
| 2635 | if ( in->getPolType() == newtype )
|
---|
| 2636 | throw(AipsError("No need to convert."));
|
---|
[1000] | 2637 | if ( ! in->selector_.empty() )
|
---|
| 2638 | throw(AipsError("Can only convert whole scantable. Unset the selection."));
|
---|
[992] | 2639 | bool insitu = insitu_;
|
---|
| 2640 | setInsitu(false);
|
---|
| 2641 | CountedPtr< Scantable > out = getScantable(in, true);
|
---|
| 2642 | setInsitu(insitu);
|
---|
| 2643 | Table& tout = out->table();
|
---|
| 2644 | tout.rwKeywordSet().define("POLTYPE", String(newtype));
|
---|
| 2645 |
|
---|
| 2646 | Block<String> cols(4);
|
---|
| 2647 | cols[0] = "SCANNO";
|
---|
| 2648 | cols[1] = "CYCLENO";
|
---|
| 2649 | cols[2] = "BEAMNO";
|
---|
| 2650 | cols[3] = "IFNO";
|
---|
| 2651 | TableIterator it(in->originalTable_, cols);
|
---|
| 2652 | String basetype = in->getPolType();
|
---|
| 2653 | STPol* stpol = STPol::getPolClass(in->factories_, basetype);
|
---|
| 2654 | try {
|
---|
| 2655 | while ( !it.pastEnd() ) {
|
---|
| 2656 | Table tab = it.table();
|
---|
| 2657 | uInt row = tab.rowNumbers()[0];
|
---|
| 2658 | stpol->setSpectra(in->getPolMatrix(row));
|
---|
| 2659 | Float fang,fhand,parang;
|
---|
| 2660 | fang = in->focusTable_.getTotalFeedAngle(in->mfocusidCol_(row));
|
---|
| 2661 | fhand = in->focusTable_.getFeedHand(in->mfocusidCol_(row));
|
---|
| 2662 | parang = in->paraCol_(row);
|
---|
| 2663 | /// @todo re-enable this
|
---|
| 2664 | // disable total feed angle to support paralactifying Caswell style
|
---|
| 2665 | stpol->setPhaseCorrections(parang, -parang, fhand);
|
---|
| 2666 | Int npolout = 0;
|
---|
| 2667 | for (uInt i=0; i<tab.nrow(); ++i) {
|
---|
| 2668 | Vector<Float> outvec = stpol->getSpectrum(i, newtype);
|
---|
| 2669 | if ( outvec.nelements() > 0 ) {
|
---|
| 2670 | tout.addRow();
|
---|
| 2671 | TableCopy::copyRows(tout, tab, tout.nrow()-1, 0, 1);
|
---|
| 2672 | ArrayColumn<Float> sCol(tout,"SPECTRA");
|
---|
| 2673 | ScalarColumn<uInt> pCol(tout,"POLNO");
|
---|
| 2674 | sCol.put(tout.nrow()-1 ,outvec);
|
---|
| 2675 | pCol.put(tout.nrow()-1 ,uInt(npolout));
|
---|
| 2676 | npolout++;
|
---|
| 2677 | }
|
---|
| 2678 | }
|
---|
| 2679 | tout.rwKeywordSet().define("nPol", npolout);
|
---|
| 2680 | ++it;
|
---|
| 2681 | }
|
---|
| 2682 | } catch (AipsError& e) {
|
---|
| 2683 | delete stpol;
|
---|
| 2684 | throw(e);
|
---|
| 2685 | }
|
---|
| 2686 | delete stpol;
|
---|
| 2687 | return out;
|
---|
| 2688 | }
|
---|
[1066] | 2689 |
|
---|
[1143] | 2690 | CountedPtr< Scantable >
|
---|
[1140] | 2691 | asap::STMath::mxExtract( const CountedPtr< Scantable > & in,
|
---|
| 2692 | const std::string & scantype )
|
---|
| 2693 | {
|
---|
| 2694 | bool insitu = insitu_;
|
---|
| 2695 | setInsitu(false);
|
---|
| 2696 | CountedPtr< Scantable > out = getScantable(in, true);
|
---|
| 2697 | setInsitu(insitu);
|
---|
| 2698 | Table& tout = out->table();
|
---|
| 2699 | std::string taql = "SELECT FROM $1 WHERE BEAMNO != REFBEAMNO";
|
---|
| 2700 | if (scantype == "on") {
|
---|
| 2701 | taql = "SELECT FROM $1 WHERE BEAMNO == REFBEAMNO";
|
---|
| 2702 | }
|
---|
| 2703 | Table tab = tableCommand(taql, in->table());
|
---|
| 2704 | TableCopy::copyRows(tout, tab);
|
---|
| 2705 | if (scantype == "on") {
|
---|
[1143] | 2706 | // re-index SCANNO to 0
|
---|
[1140] | 2707 | TableVector<uInt> vec(tout, "SCANNO");
|
---|
| 2708 | vec = 0;
|
---|
| 2709 | }
|
---|
| 2710 | return out;
|
---|
| 2711 | }
|
---|
[1192] | 2712 |
|
---|
| 2713 | CountedPtr< Scantable >
|
---|
| 2714 | asap::STMath::lagFlag( const CountedPtr< Scantable > & in,
|
---|
[1200] | 2715 | double frequency, double width )
|
---|
[1192] | 2716 | {
|
---|
| 2717 | CountedPtr< Scantable > out = getScantable(in, false);
|
---|
| 2718 | Table& tout = out->table();
|
---|
| 2719 | TableIterator iter(tout, "FREQ_ID");
|
---|
| 2720 | FFTServer<Float,Complex> ffts;
|
---|
| 2721 | while ( !iter.pastEnd() ) {
|
---|
| 2722 | Table tab = iter.table();
|
---|
| 2723 | Double rp,rv,inc;
|
---|
| 2724 | ROTableRow row(tab);
|
---|
| 2725 | const TableRecord& rec = row.get(0);
|
---|
| 2726 | uInt freqid = rec.asuInt("FREQ_ID");
|
---|
| 2727 | out->frequencies().getEntry(rp, rv, inc, freqid);
|
---|
| 2728 | ArrayColumn<Float> specCol(tab, "SPECTRA");
|
---|
| 2729 | ArrayColumn<uChar> flagCol(tab, "FLAGTRA");
|
---|
| 2730 | for (int i=0; i<int(tab.nrow()); ++i) {
|
---|
| 2731 | Vector<Float> spec = specCol(i);
|
---|
| 2732 | Vector<uChar> flag = flagCol(i);
|
---|
[1200] | 2733 | Int lag0 = Int(spec.nelements()*abs(inc)/(frequency+width)+0.5);
|
---|
| 2734 | Int lag1 = Int(spec.nelements()*abs(inc)/(frequency-width)+0.5);
|
---|
[1673] | 2735 | for (unsigned int k=0; k < flag.nelements(); ++k ) {
|
---|
[1192] | 2736 | if (flag[k] > 0) {
|
---|
| 2737 | spec[k] = 0.0;
|
---|
| 2738 | }
|
---|
| 2739 | }
|
---|
| 2740 | Vector<Complex> lags;
|
---|
[1203] | 2741 | ffts.fft0(lags, spec);
|
---|
[1200] | 2742 | Int start = max(0, lag0);
|
---|
| 2743 | Int end = min(Int(lags.nelements()-1), lag1);
|
---|
[1192] | 2744 | if (start == end) {
|
---|
| 2745 | lags[start] = Complex(0.0);
|
---|
| 2746 | } else {
|
---|
| 2747 | for (int j=start; j <=end ;++j) {
|
---|
| 2748 | lags[j] = Complex(0.0);
|
---|
| 2749 | }
|
---|
| 2750 | }
|
---|
[1203] | 2751 | ffts.fft0(spec, lags);
|
---|
[1192] | 2752 | specCol.put(i, spec);
|
---|
| 2753 | }
|
---|
| 2754 | ++iter;
|
---|
| 2755 | }
|
---|
| 2756 | return out;
|
---|
| 2757 | }
|
---|
[1446] | 2758 |
|
---|
| 2759 | // Averaging spectra with different channel/resolution
|
---|
| 2760 | CountedPtr<Scantable>
|
---|
| 2761 | STMath::new_average( const std::vector<CountedPtr<Scantable> >& in,
|
---|
| 2762 | const bool& compel,
|
---|
| 2763 | const std::vector<bool>& mask,
|
---|
| 2764 | const std::string& weight,
|
---|
| 2765 | const std::string& avmode )
|
---|
| 2766 | throw ( casa::AipsError )
|
---|
| 2767 | {
|
---|
[1616] | 2768 | LogIO os( LogOrigin( "STMath", "new_average()", WHERE ) ) ;
|
---|
[1446] | 2769 | if ( avmode == "SCAN" && in.size() != 1 )
|
---|
| 2770 | throw(AipsError("Can't perform 'SCAN' averaging on multiple tables.\n"
|
---|
| 2771 | "Use merge first."));
|
---|
| 2772 |
|
---|
[1607] | 2773 | // check if OTF observation
|
---|
| 2774 | String obstype = in[0]->getHeader().obstype ;
|
---|
[1611] | 2775 | Double tol = 0.0 ;
|
---|
[1607] | 2776 | if ( obstype.find( "OTF" ) != String::npos ) {
|
---|
[1611] | 2777 | tol = TOL_OTF ;
|
---|
[1607] | 2778 | }
|
---|
[1611] | 2779 | else {
|
---|
| 2780 | tol = TOL_POINT ;
|
---|
| 2781 | }
|
---|
[1607] | 2782 |
|
---|
[1446] | 2783 | CountedPtr<Scantable> out ; // processed result
|
---|
| 2784 | if ( compel ) {
|
---|
| 2785 | std::vector< CountedPtr<Scantable> > newin ; // input for average process
|
---|
[1607] | 2786 | uInt insize = in.size() ; // number of input scantables
|
---|
[1446] | 2787 |
|
---|
| 2788 | // TEST: do normal average in each table before IF grouping
|
---|
[1616] | 2789 | os << "Do preliminary averaging" << LogIO::POST ;
|
---|
[1446] | 2790 | vector< CountedPtr<Scantable> > tmpin( insize ) ;
|
---|
| 2791 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
| 2792 | vector< CountedPtr<Scantable> > v( 1, in[itable] ) ;
|
---|
| 2793 | tmpin[itable] = average( v, mask, weight, avmode ) ;
|
---|
| 2794 | }
|
---|
| 2795 |
|
---|
| 2796 | // warning
|
---|
[1616] | 2797 | os << "Average spectra with different spectral resolution" << LogIO::POST ;
|
---|
[1446] | 2798 |
|
---|
| 2799 | // temporarily set coordinfo
|
---|
| 2800 | vector<string> oldinfo( insize ) ;
|
---|
| 2801 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
| 2802 | vector<string> coordinfo = in[itable]->getCoordInfo() ;
|
---|
| 2803 | oldinfo[itable] = coordinfo[0] ;
|
---|
| 2804 | coordinfo[0] = "Hz" ;
|
---|
| 2805 | tmpin[itable]->setCoordInfo( coordinfo ) ;
|
---|
| 2806 | }
|
---|
| 2807 |
|
---|
| 2808 | // columns
|
---|
| 2809 | ScalarColumn<uInt> freqIDCol ;
|
---|
| 2810 | ScalarColumn<uInt> ifnoCol ;
|
---|
| 2811 | ScalarColumn<uInt> scannoCol ;
|
---|
| 2812 |
|
---|
| 2813 |
|
---|
| 2814 | // check IF frequency coverage
|
---|
[1607] | 2815 | // freqid: list of FREQ_ID, which is used, in each table
|
---|
| 2816 | // iffreq: list of minimum and maximum frequency for each FREQ_ID in
|
---|
| 2817 | // each table
|
---|
| 2818 | // freqid[insize][numIF]
|
---|
| 2819 | // freqid: [[id00, id01, ...],
|
---|
| 2820 | // [id10, id11, ...],
|
---|
| 2821 | // ...
|
---|
| 2822 | // [idn0, idn1, ...]]
|
---|
| 2823 | // iffreq[insize][numIF*2]
|
---|
| 2824 | // iffreq: [[min_id00, max_id00, min_id01, max_id01, ...],
|
---|
| 2825 | // [min_id10, max_id10, min_id11, max_id11, ...],
|
---|
| 2826 | // ...
|
---|
| 2827 | // [min_idn0, max_idn0, min_idn1, max_idn1, ...]]
|
---|
[1616] | 2828 | //os << "Check IF settings in each table" << LogIO::POST ;
|
---|
[1446] | 2829 | vector< vector<uInt> > freqid( insize );
|
---|
| 2830 | vector< vector<double> > iffreq( insize ) ;
|
---|
| 2831 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
| 2832 | uInt rows = tmpin[itable]->nrow() ;
|
---|
| 2833 | uInt freqnrows = tmpin[itable]->frequencies().table().nrow() ;
|
---|
| 2834 | for ( uInt irow = 0 ; irow < rows ; irow++ ) {
|
---|
| 2835 | if ( freqid[itable].size() == freqnrows ) {
|
---|
| 2836 | break ;
|
---|
| 2837 | }
|
---|
| 2838 | else {
|
---|
| 2839 | freqIDCol.attach( tmpin[itable]->table(), "FREQ_ID" ) ;
|
---|
| 2840 | ifnoCol.attach( tmpin[itable]->table(), "IFNO" ) ;
|
---|
| 2841 | uInt id = freqIDCol( irow ) ;
|
---|
| 2842 | if ( freqid[itable].size() == 0 || count( freqid[itable].begin(), freqid[itable].end(), id ) == 0 ) {
|
---|
[1616] | 2843 | //os << "itable = " << itable << ": IF " << id << " is included in the list" << LogIO::POST ;
|
---|
[1446] | 2844 | vector<double> abcissa = tmpin[itable]->getAbcissa( irow ) ;
|
---|
| 2845 | freqid[itable].push_back( id ) ;
|
---|
| 2846 | iffreq[itable].push_back( abcissa[0] - 0.5 * ( abcissa[1] - abcissa[0] ) ) ;
|
---|
| 2847 | iffreq[itable].push_back( abcissa[abcissa.size()-1] + 0.5 * ( abcissa[1] - abcissa[0] ) ) ;
|
---|
| 2848 | }
|
---|
| 2849 | }
|
---|
| 2850 | }
|
---|
| 2851 | }
|
---|
| 2852 |
|
---|
| 2853 | // debug
|
---|
[1616] | 2854 | //os << "IF settings summary:" << endl ;
|
---|
[1446] | 2855 | //for ( uInt i = 0 ; i < freqid.size() ; i++ ) {
|
---|
[1616] | 2856 | //os << " Table" << i << endl ;
|
---|
[1446] | 2857 | //for ( uInt j = 0 ; j < freqid[i].size() ; j++ ) {
|
---|
[1616] | 2858 | //os << " id = " << freqid[i][j] << " (min,max) = (" << iffreq[i][2*j] << "," << iffreq[i][2*j+1] << ")" << endl ;
|
---|
[1446] | 2859 | //}
|
---|
| 2860 | //}
|
---|
[1616] | 2861 | //os << endl ;
|
---|
| 2862 | //os.post() ;
|
---|
[1446] | 2863 |
|
---|
| 2864 | // IF grouping based on their frequency coverage
|
---|
[1607] | 2865 | // ifgrp: list of table index and FREQ_ID for all members in each IF group
|
---|
| 2866 | // ifgfreq: list of minimum and maximum frequency in each IF group
|
---|
[1446] | 2867 | // ifgrp[numgrp][nummember*2]
|
---|
[1607] | 2868 | // ifgrp: [[table00, freqrow00, table01, freqrow01, ...],
|
---|
| 2869 | // [table10, freqrow10, table11, freqrow11, ...],
|
---|
[1446] | 2870 | // ...
|
---|
[1607] | 2871 | // [tablen0, freqrown0, tablen1, freqrown1, ...]]
|
---|
[1446] | 2872 | // ifgfreq[numgrp*2]
|
---|
[1607] | 2873 | // ifgfreq: [min0_grp0, max0_grp0, min1_grp1, max1_grp1, ...]
|
---|
[1616] | 2874 | //os << "IF grouping based on their frequency coverage" << LogIO::POST ;
|
---|
[1446] | 2875 | vector< vector<uInt> > ifgrp ;
|
---|
| 2876 | vector<double> ifgfreq ;
|
---|
| 2877 |
|
---|
| 2878 | // parameter for IF grouping
|
---|
| 2879 | // groupmode = OR retrieve all region
|
---|
| 2880 | // AND only retrieve overlaped region
|
---|
| 2881 | //string groupmode = "AND" ;
|
---|
| 2882 | string groupmode = "OR" ;
|
---|
| 2883 | uInt sizecr = 0 ;
|
---|
| 2884 | if ( groupmode == "AND" )
|
---|
| 2885 | sizecr = 2 ;
|
---|
| 2886 | else if ( groupmode == "OR" )
|
---|
| 2887 | sizecr = 0 ;
|
---|
| 2888 |
|
---|
| 2889 | vector<double> sortedfreq ;
|
---|
| 2890 | for ( uInt i = 0 ; i < iffreq.size() ; i++ ) {
|
---|
| 2891 | for ( uInt j = 0 ; j < iffreq[i].size() ; j++ ) {
|
---|
| 2892 | if ( count( sortedfreq.begin(), sortedfreq.end(), iffreq[i][j] ) == 0 )
|
---|
| 2893 | sortedfreq.push_back( iffreq[i][j] ) ;
|
---|
| 2894 | }
|
---|
| 2895 | }
|
---|
| 2896 | sort( sortedfreq.begin(), sortedfreq.end() ) ;
|
---|
| 2897 | for ( vector<double>::iterator i = sortedfreq.begin() ; i != sortedfreq.end()-1 ; i++ ) {
|
---|
| 2898 | ifgfreq.push_back( *i ) ;
|
---|
| 2899 | ifgfreq.push_back( *(i+1) ) ;
|
---|
| 2900 | }
|
---|
| 2901 | ifgrp.resize( ifgfreq.size()/2 ) ;
|
---|
| 2902 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
| 2903 | for ( uInt iif = 0 ; iif < freqid[itable].size() ; iif++ ) {
|
---|
| 2904 | double range0 = iffreq[itable][2*iif] ;
|
---|
| 2905 | double range1 = iffreq[itable][2*iif+1] ;
|
---|
| 2906 | for ( uInt j = 0 ; j < ifgrp.size() ; j++ ) {
|
---|
| 2907 | double fmin = max( range0, ifgfreq[2*j] ) ;
|
---|
| 2908 | double fmax = min( range1, ifgfreq[2*j+1] ) ;
|
---|
| 2909 | if ( fmin < fmax ) {
|
---|
| 2910 | ifgrp[j].push_back( itable ) ;
|
---|
| 2911 | ifgrp[j].push_back( freqid[itable][iif] ) ;
|
---|
| 2912 | }
|
---|
| 2913 | }
|
---|
| 2914 | }
|
---|
| 2915 | }
|
---|
| 2916 | vector< vector<uInt> >::iterator fiter = ifgrp.begin() ;
|
---|
| 2917 | vector<double>::iterator giter = ifgfreq.begin() ;
|
---|
| 2918 | while( fiter != ifgrp.end() ) {
|
---|
| 2919 | if ( fiter->size() <= sizecr ) {
|
---|
| 2920 | fiter = ifgrp.erase( fiter ) ;
|
---|
| 2921 | giter = ifgfreq.erase( giter ) ;
|
---|
| 2922 | giter = ifgfreq.erase( giter ) ;
|
---|
| 2923 | }
|
---|
| 2924 | else {
|
---|
| 2925 | fiter++ ;
|
---|
| 2926 | advance( giter, 2 ) ;
|
---|
| 2927 | }
|
---|
| 2928 | }
|
---|
| 2929 |
|
---|
[1607] | 2930 | // Grouping continuous IF groups (without frequency gap)
|
---|
| 2931 | // freqgrp: list of IF group indexes in each frequency group
|
---|
| 2932 | // freqrange: list of minimum and maximum frequency in each frequency group
|
---|
[1446] | 2933 | // freqgrp[numgrp][nummember]
|
---|
[1607] | 2934 | // freqgrp: [[ifgrp00, ifgrp01, ifgrp02, ...],
|
---|
[1446] | 2935 | // [ifgrp10, ifgrp11, ifgrp12, ...],
|
---|
| 2936 | // ...
|
---|
[1607] | 2937 | // [ifgrpn0, ifgrpn1, ifgrpn2, ...]]
|
---|
[1446] | 2938 | // freqrange[numgrp*2]
|
---|
[1607] | 2939 | // freqrange: [min_grp0, max_grp0, min_grp1, max_grp1, ...]
|
---|
[1446] | 2940 | vector< vector<uInt> > freqgrp ;
|
---|
| 2941 | double freqrange = 0.0 ;
|
---|
| 2942 | uInt grpnum = 0 ;
|
---|
| 2943 | for ( uInt i = 0 ; i < ifgrp.size() ; i++ ) {
|
---|
| 2944 | // Assumed that ifgfreq was sorted
|
---|
| 2945 | if ( grpnum != 0 && freqrange == ifgfreq[2*i] ) {
|
---|
| 2946 | freqgrp[grpnum-1].push_back( i ) ;
|
---|
| 2947 | }
|
---|
| 2948 | else {
|
---|
| 2949 | vector<uInt> grp0( 1, i ) ;
|
---|
| 2950 | freqgrp.push_back( grp0 ) ;
|
---|
| 2951 | grpnum++ ;
|
---|
| 2952 | }
|
---|
| 2953 | freqrange = ifgfreq[2*i+1] ;
|
---|
| 2954 | }
|
---|
| 2955 |
|
---|
| 2956 |
|
---|
| 2957 | // print IF groups
|
---|
[1616] | 2958 | ostringstream oss ;
|
---|
| 2959 | oss << "IF Group summary: " << endl ;
|
---|
| 2960 | oss << " GROUP_ID [FREQ_MIN, FREQ_MAX]: (TABLE_ID, FREQ_ID)" << endl ;
|
---|
[1446] | 2961 | for ( uInt i = 0 ; i < ifgrp.size() ; i++ ) {
|
---|
[1616] | 2962 | oss << " GROUP " << setw( 2 ) << i << " [" << ifgfreq[2*i] << "," << ifgfreq[2*i+1] << "]: " ;
|
---|
[1446] | 2963 | for ( uInt j = 0 ; j < ifgrp[i].size()/2 ; j++ ) {
|
---|
[1616] | 2964 | oss << "(" << ifgrp[i][2*j] << "," << ifgrp[i][2*j+1] << ") " ;
|
---|
[1446] | 2965 | }
|
---|
[1616] | 2966 | oss << endl ;
|
---|
[1446] | 2967 | }
|
---|
[1616] | 2968 | oss << endl ;
|
---|
| 2969 | os << oss.str() << LogIO::POST ;
|
---|
[1446] | 2970 |
|
---|
| 2971 | // print frequency group
|
---|
[1616] | 2972 | oss.str("") ;
|
---|
| 2973 | oss << "Frequency Group summary: " << endl ;
|
---|
| 2974 | oss << " GROUP_ID [FREQ_MIN, FREQ_MAX]: IF_GROUP_ID" << endl ;
|
---|
[1446] | 2975 | for ( uInt i = 0 ; i < freqgrp.size() ; i++ ) {
|
---|
[1616] | 2976 | oss << " GROUP " << setw( 2 ) << i << " [" << ifgfreq[2*freqgrp[i][0]] << "," << ifgfreq[2*freqgrp[i][freqgrp[i].size()-1]+1] << "]: " ;
|
---|
[1446] | 2977 | for ( uInt j = 0 ; j < freqgrp[i].size() ; j++ ) {
|
---|
[1616] | 2978 | oss << freqgrp[i][j] << " " ;
|
---|
[1446] | 2979 | }
|
---|
[1616] | 2980 | oss << endl ;
|
---|
[1446] | 2981 | }
|
---|
[1616] | 2982 | oss << endl ;
|
---|
| 2983 | os << oss.str() << LogIO::POST ;
|
---|
[1446] | 2984 |
|
---|
| 2985 | // membership check
|
---|
[1607] | 2986 | // groups: list of IF group indexes whose frequency range overlaps with
|
---|
| 2987 | // that of each table and IF
|
---|
[1446] | 2988 | // groups[numtable][numIF][nummembership]
|
---|
[1607] | 2989 | // groups: [[[grp, grp,...], [grp, grp,...],...],
|
---|
| 2990 | // [[grp, grp,...], [grp, grp,...],...],
|
---|
| 2991 | // ...
|
---|
| 2992 | // [[grp, grp,...], [grp, grp,...],...]]
|
---|
[1446] | 2993 | vector< vector< vector<uInt> > > groups( insize ) ;
|
---|
| 2994 | for ( uInt i = 0 ; i < insize ; i++ ) {
|
---|
| 2995 | groups[i].resize( freqid[i].size() ) ;
|
---|
| 2996 | }
|
---|
| 2997 | for ( uInt igrp = 0 ; igrp < ifgrp.size() ; igrp++ ) {
|
---|
| 2998 | for ( uInt imem = 0 ; imem < ifgrp[igrp].size()/2 ; imem++ ) {
|
---|
| 2999 | uInt tableid = ifgrp[igrp][2*imem] ;
|
---|
| 3000 | vector<uInt>::iterator iter = find( freqid[tableid].begin(), freqid[tableid].end(), ifgrp[igrp][2*imem+1] ) ;
|
---|
| 3001 | if ( iter != freqid[tableid].end() ) {
|
---|
| 3002 | uInt rowid = distance( freqid[tableid].begin(), iter ) ;
|
---|
| 3003 | groups[tableid][rowid].push_back( igrp ) ;
|
---|
| 3004 | }
|
---|
| 3005 | }
|
---|
| 3006 | }
|
---|
| 3007 |
|
---|
| 3008 | // print membership
|
---|
[1616] | 3009 | //oss.str("") ;
|
---|
[1446] | 3010 | //for ( uInt i = 0 ; i < insize ; i++ ) {
|
---|
[1616] | 3011 | //oss << "Table " << i << endl ;
|
---|
[1446] | 3012 | //for ( uInt j = 0 ; j < groups[i].size() ; j++ ) {
|
---|
[1616] | 3013 | //oss << " FREQ_ID " << setw( 2 ) << freqid[i][j] << ": " ;
|
---|
[1446] | 3014 | //for ( uInt k = 0 ; k < groups[i][j].size() ; k++ ) {
|
---|
[1616] | 3015 | //oss << setw( 2 ) << groups[i][j][k] << " " ;
|
---|
[1446] | 3016 | //}
|
---|
[1616] | 3017 | //oss << endl ;
|
---|
[1446] | 3018 | //}
|
---|
| 3019 | //}
|
---|
[1616] | 3020 | //os << oss.str() << LogIO::POST ;
|
---|
[1446] | 3021 |
|
---|
| 3022 | // set back coordinfo
|
---|
| 3023 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
| 3024 | vector<string> coordinfo = tmpin[itable]->getCoordInfo() ;
|
---|
| 3025 | coordinfo[0] = oldinfo[itable] ;
|
---|
| 3026 | tmpin[itable]->setCoordInfo( coordinfo ) ;
|
---|
| 3027 | }
|
---|
| 3028 |
|
---|
| 3029 | // Create additional table if needed
|
---|
| 3030 | bool oldInsitu = insitu_ ;
|
---|
| 3031 | setInsitu( false ) ;
|
---|
| 3032 | vector< vector<uInt> > addrow( insize ) ;
|
---|
| 3033 | vector<uInt> addtable( insize, 0 ) ;
|
---|
| 3034 | vector<uInt> newtableids( insize ) ;
|
---|
| 3035 | vector<uInt> newifids( insize, 0 ) ;
|
---|
| 3036 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
[1616] | 3037 | //os << "Table " << itable << ": " ;
|
---|
[1446] | 3038 | for ( uInt ifrow = 0 ; ifrow < groups[itable].size() ; ifrow++ ) {
|
---|
| 3039 | addrow[itable].push_back( groups[itable][ifrow].size()-1 ) ;
|
---|
[1616] | 3040 | //os << addrow[itable][ifrow] << " " ;
|
---|
[1446] | 3041 | }
|
---|
| 3042 | addtable[itable] = *max_element( addrow[itable].begin(), addrow[itable].end() ) ;
|
---|
[1616] | 3043 | //os << "(" << addtable[itable] << ")" << LogIO::POST ;
|
---|
[1446] | 3044 | }
|
---|
| 3045 | newin.resize( insize ) ;
|
---|
| 3046 | copy( tmpin.begin(), tmpin.end(), newin.begin() ) ;
|
---|
| 3047 | for ( uInt i = 0 ; i < insize ; i++ ) {
|
---|
| 3048 | newtableids[i] = i ;
|
---|
| 3049 | }
|
---|
| 3050 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
| 3051 | for ( uInt iadd = 0 ; iadd < addtable[itable] ; iadd++ ) {
|
---|
| 3052 | CountedPtr<Scantable> add = getScantable( newin[itable], false ) ;
|
---|
| 3053 | vector<int> freqidlist ;
|
---|
| 3054 | for ( uInt i = 0 ; i < groups[itable].size() ; i++ ) {
|
---|
| 3055 | if ( groups[itable][i].size() > iadd + 1 ) {
|
---|
| 3056 | freqidlist.push_back( freqid[itable][i] ) ;
|
---|
| 3057 | }
|
---|
| 3058 | }
|
---|
| 3059 | stringstream taqlstream ;
|
---|
| 3060 | taqlstream << "SELECT FROM $1 WHERE FREQ_ID IN [" ;
|
---|
| 3061 | for ( uInt i = 0 ; i < freqidlist.size() ; i++ ) {
|
---|
| 3062 | taqlstream << i ;
|
---|
| 3063 | if ( i < freqidlist.size() - 1 )
|
---|
| 3064 | taqlstream << "," ;
|
---|
| 3065 | else
|
---|
| 3066 | taqlstream << "]" ;
|
---|
| 3067 | }
|
---|
| 3068 | string taql = taqlstream.str() ;
|
---|
[1616] | 3069 | //os << "taql = " << taql << LogIO::POST ;
|
---|
[1446] | 3070 | STSelector selector = STSelector() ;
|
---|
| 3071 | selector.setTaQL( taql ) ;
|
---|
| 3072 | add->setSelection( selector ) ;
|
---|
| 3073 | newin.push_back( add ) ;
|
---|
| 3074 | newtableids.push_back( itable ) ;
|
---|
| 3075 | newifids.push_back( iadd + 1 ) ;
|
---|
| 3076 | }
|
---|
| 3077 | }
|
---|
| 3078 |
|
---|
| 3079 | // udpate ifgrp
|
---|
| 3080 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
| 3081 | for ( uInt iadd = 0 ; iadd < addtable[itable] ; iadd++ ) {
|
---|
| 3082 | for ( uInt ifrow = 0 ; ifrow < groups[itable].size() ; ifrow++ ) {
|
---|
| 3083 | if ( groups[itable][ifrow].size() > iadd + 1 ) {
|
---|
| 3084 | uInt igrp = groups[itable][ifrow][iadd+1] ;
|
---|
| 3085 | for ( uInt imem = 0 ; imem < ifgrp[igrp].size()/2 ; imem++ ) {
|
---|
| 3086 | if ( ifgrp[igrp][2*imem] == newtableids[iadd+insize] && ifgrp[igrp][2*imem+1] == freqid[newtableids[iadd+insize]][ifrow] ) {
|
---|
| 3087 | ifgrp[igrp][2*imem] = insize + iadd ;
|
---|
| 3088 | }
|
---|
| 3089 | }
|
---|
| 3090 | }
|
---|
| 3091 | }
|
---|
| 3092 | }
|
---|
| 3093 | }
|
---|
| 3094 |
|
---|
| 3095 | // print IF groups again for debug
|
---|
[1616] | 3096 | //oss.str( "" ) ;
|
---|
| 3097 | //oss << "IF Group summary: " << endl ;
|
---|
| 3098 | //oss << " GROUP_ID [FREQ_MIN, FREQ_MAX]: (TABLE_ID, FREQ_ID)" << endl ;
|
---|
[1446] | 3099 | //for ( uInt i = 0 ; i < ifgrp.size() ; i++ ) {
|
---|
[1616] | 3100 | //oss << " GROUP " << setw( 2 ) << i << " [" << ifgfreq[2*i] << "," << ifgfreq[2*i+1] << "]: " ;
|
---|
[1446] | 3101 | //for ( uInt j = 0 ; j < ifgrp[i].size()/2 ; j++ ) {
|
---|
[1616] | 3102 | //oss << "(" << ifgrp[i][2*j] << "," << ifgrp[i][2*j+1] << ") " ;
|
---|
[1446] | 3103 | //}
|
---|
[1616] | 3104 | //oss << endl ;
|
---|
[1446] | 3105 | //}
|
---|
[1616] | 3106 | //oss << endl ;
|
---|
| 3107 | //os << oss.str() << LogIO::POST ;
|
---|
[1446] | 3108 |
|
---|
[1607] | 3109 | // reset SCANNO and IFNO/FREQ_ID: IF is reset by the result of sortation
|
---|
[1616] | 3110 | os << "All scan number is set to 0" << LogIO::POST ;
|
---|
| 3111 | //os << "All IF number is set to IF group index" << LogIO::POST ;
|
---|
[1446] | 3112 | insize = newin.size() ;
|
---|
| 3113 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
| 3114 | uInt rows = newin[itable]->nrow() ;
|
---|
| 3115 | Table &tmpt = newin[itable]->table() ;
|
---|
| 3116 | freqIDCol.attach( tmpt, "FREQ_ID" ) ;
|
---|
| 3117 | scannoCol.attach( tmpt, "SCANNO" ) ;
|
---|
| 3118 | ifnoCol.attach( tmpt, "IFNO" ) ;
|
---|
| 3119 | for ( uInt irow=0 ; irow < rows ; irow++ ) {
|
---|
| 3120 | scannoCol.put( irow, 0 ) ;
|
---|
| 3121 | uInt freqID = freqIDCol( irow ) ;
|
---|
| 3122 | vector<uInt>::iterator iter = find( freqid[newtableids[itable]].begin(), freqid[newtableids[itable]].end(), freqID ) ;
|
---|
| 3123 | if ( iter != freqid[newtableids[itable]].end() ) {
|
---|
| 3124 | uInt index = distance( freqid[newtableids[itable]].begin(), iter ) ;
|
---|
| 3125 | ifnoCol.put( irow, groups[newtableids[itable]][index][newifids[itable]] ) ;
|
---|
| 3126 | }
|
---|
| 3127 | else {
|
---|
| 3128 | throw(AipsError("IF grouping was wrong in additional tables.")) ;
|
---|
| 3129 | }
|
---|
| 3130 | }
|
---|
| 3131 | }
|
---|
| 3132 | oldinfo.resize( insize ) ;
|
---|
| 3133 | setInsitu( oldInsitu ) ;
|
---|
| 3134 |
|
---|
| 3135 | // temporarily set coordinfo
|
---|
| 3136 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
| 3137 | vector<string> coordinfo = newin[itable]->getCoordInfo() ;
|
---|
| 3138 | oldinfo[itable] = coordinfo[0] ;
|
---|
| 3139 | coordinfo[0] = "Hz" ;
|
---|
| 3140 | newin[itable]->setCoordInfo( coordinfo ) ;
|
---|
| 3141 | }
|
---|
| 3142 |
|
---|
| 3143 | // save column values in the vector
|
---|
| 3144 | vector< vector<uInt> > freqTableIdVec( insize ) ;
|
---|
| 3145 | vector< vector<uInt> > freqIdVec( insize ) ;
|
---|
| 3146 | vector< vector<uInt> > ifNoVec( insize ) ;
|
---|
| 3147 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
| 3148 | ScalarColumn<uInt> freqIDs ;
|
---|
| 3149 | freqIDs.attach( newin[itable]->frequencies().table(), "ID" ) ;
|
---|
| 3150 | ifnoCol.attach( newin[itable]->table(), "IFNO" ) ;
|
---|
| 3151 | freqIDCol.attach( newin[itable]->table(), "FREQ_ID" ) ;
|
---|
| 3152 | for ( uInt irow = 0 ; irow < newin[itable]->frequencies().table().nrow() ; irow++ ) {
|
---|
| 3153 | freqTableIdVec[itable].push_back( freqIDs( irow ) ) ;
|
---|
| 3154 | }
|
---|
| 3155 | for ( uInt irow = 0 ; irow < newin[itable]->table().nrow() ; irow++ ) {
|
---|
| 3156 | freqIdVec[itable].push_back( freqIDCol( irow ) ) ;
|
---|
| 3157 | ifNoVec[itable].push_back( ifnoCol( irow ) ) ;
|
---|
| 3158 | }
|
---|
| 3159 | }
|
---|
| 3160 |
|
---|
| 3161 | // reset spectra and flagtra: pick up common part of frequency coverage
|
---|
[1616] | 3162 | //os << "Pick common frequency range and align resolution" << LogIO::POST ;
|
---|
[1446] | 3163 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
| 3164 | uInt rows = newin[itable]->nrow() ;
|
---|
| 3165 | int nminchan = -1 ;
|
---|
| 3166 | int nmaxchan = -1 ;
|
---|
| 3167 | vector<uInt> freqIdUpdate ;
|
---|
| 3168 | for ( uInt irow = 0 ; irow < rows ; irow++ ) {
|
---|
| 3169 | uInt ifno = ifNoVec[itable][irow] ; // IFNO is reset by group index
|
---|
| 3170 | double minfreq = ifgfreq[2*ifno] ;
|
---|
| 3171 | double maxfreq = ifgfreq[2*ifno+1] ;
|
---|
[1616] | 3172 | //os << "frequency range: [" << minfreq << "," << maxfreq << "]" << LogIO::POST ;
|
---|
[1446] | 3173 | vector<double> abcissa = newin[itable]->getAbcissa( irow ) ;
|
---|
| 3174 | int nchan = abcissa.size() ;
|
---|
| 3175 | double resol = abcissa[1] - abcissa[0] ;
|
---|
[1616] | 3176 | //os << "abcissa range : [" << abcissa[0] << "," << abcissa[nchan-1] << "]" << LogIO::POST ;
|
---|
[1446] | 3177 | if ( minfreq <= abcissa[0] )
|
---|
| 3178 | nminchan = 0 ;
|
---|
| 3179 | else {
|
---|
| 3180 | //double cfreq = ( minfreq - abcissa[0] ) / resol ;
|
---|
| 3181 | double cfreq = ( minfreq - abcissa[0] + 0.5 * resol ) / resol ;
|
---|
| 3182 | nminchan = int(cfreq) + ( ( cfreq - int(cfreq) <= 0.5 ) ? 0 : 1 ) ;
|
---|
| 3183 | }
|
---|
| 3184 | if ( maxfreq >= abcissa[abcissa.size()-1] )
|
---|
| 3185 | nmaxchan = abcissa.size() - 1 ;
|
---|
| 3186 | else {
|
---|
| 3187 | //double cfreq = ( abcissa[abcissa.size()-1] - maxfreq ) / resol ;
|
---|
| 3188 | double cfreq = ( abcissa[abcissa.size()-1] - maxfreq + 0.5 * resol ) / resol ;
|
---|
| 3189 | nmaxchan = abcissa.size() - 1 - int(cfreq) - ( ( cfreq - int(cfreq) >= 0.5 ) ? 1 : 0 ) ;
|
---|
| 3190 | }
|
---|
[1616] | 3191 | //os << "channel range (" << irow << "): [" << nminchan << "," << nmaxchan << "]" << LogIO::POST ;
|
---|
[1446] | 3192 | if ( nmaxchan > nminchan ) {
|
---|
| 3193 | newin[itable]->reshapeSpectrum( nminchan, nmaxchan, irow ) ;
|
---|
| 3194 | int newchan = nmaxchan - nminchan + 1 ;
|
---|
| 3195 | if ( count( freqIdUpdate.begin(), freqIdUpdate.end(), freqIdVec[itable][irow] ) == 0 && newchan < nchan )
|
---|
| 3196 | freqIdUpdate.push_back( freqIdVec[itable][irow] ) ;
|
---|
| 3197 | }
|
---|
| 3198 | else {
|
---|
| 3199 | throw(AipsError("Failed to pick up common part of frequency range.")) ;
|
---|
| 3200 | }
|
---|
| 3201 | }
|
---|
| 3202 | for ( uInt i = 0 ; i < freqIdUpdate.size() ; i++ ) {
|
---|
| 3203 | uInt freqId = freqIdUpdate[i] ;
|
---|
| 3204 | Double refpix ;
|
---|
| 3205 | Double refval ;
|
---|
| 3206 | Double increment ;
|
---|
| 3207 |
|
---|
| 3208 | // update row
|
---|
| 3209 | newin[itable]->frequencies().getEntry( refpix, refval, increment, freqId ) ;
|
---|
| 3210 | refval = refval - ( refpix - nminchan ) * increment ;
|
---|
| 3211 | refpix = 0 ;
|
---|
| 3212 | newin[itable]->frequencies().setEntry( refpix, refval, increment, freqId ) ;
|
---|
| 3213 | }
|
---|
| 3214 | }
|
---|
| 3215 |
|
---|
| 3216 |
|
---|
| 3217 | // reset spectra and flagtra: align spectral resolution
|
---|
[1616] | 3218 | //os << "Align spectral resolution" << LogIO::POST ;
|
---|
[1607] | 3219 | // gmaxdnu: the coarsest frequency resolution in the frequency group
|
---|
| 3220 | // gmemid: member index that have a resolution equal to gmaxdnu
|
---|
| 3221 | // gmaxdnu[numfreqgrp]
|
---|
| 3222 | // gmaxdnu: [dnu0, dnu1, ...]
|
---|
| 3223 | // gmemid[numfreqgrp]
|
---|
| 3224 | // gmemid: [id0, id1, ...]
|
---|
[1446] | 3225 | vector<double> gmaxdnu( freqgrp.size(), 0.0 ) ;
|
---|
| 3226 | vector<uInt> gmemid( freqgrp.size(), 0 ) ;
|
---|
| 3227 | for ( uInt igrp = 0 ; igrp < ifgrp.size() ; igrp++ ) {
|
---|
| 3228 | double maxdnu = 0.0 ; // maximum (coarsest) frequency resolution
|
---|
| 3229 | int minchan = INT_MAX ; // minimum channel number
|
---|
| 3230 | Double refpixref = -1 ; // reference of 'reference pixel'
|
---|
| 3231 | Double refvalref = -1 ; // reference of 'reference frequency'
|
---|
| 3232 | Double refinc = -1 ; // reference frequency resolution
|
---|
| 3233 | uInt refreqid ;
|
---|
| 3234 | uInt reftable = INT_MAX;
|
---|
| 3235 | // process only if group member > 1
|
---|
| 3236 | if ( ifgrp[igrp].size() > 2 ) {
|
---|
| 3237 | // find minchan and maxdnu in each group
|
---|
| 3238 | for ( uInt imem = 0 ; imem < ifgrp[igrp].size()/2 ; imem++ ) {
|
---|
| 3239 | uInt tableid = ifgrp[igrp][2*imem] ;
|
---|
| 3240 | uInt rowid = ifgrp[igrp][2*imem+1] ;
|
---|
| 3241 | vector<uInt>::iterator iter = find( freqIdVec[tableid].begin(), freqIdVec[tableid].end(), rowid ) ;
|
---|
| 3242 | if ( iter != freqIdVec[tableid].end() ) {
|
---|
| 3243 | uInt index = distance( freqIdVec[tableid].begin(), iter ) ;
|
---|
| 3244 | vector<double> abcissa = newin[tableid]->getAbcissa( index ) ;
|
---|
| 3245 | int nchan = abcissa.size() ;
|
---|
| 3246 | double dnu = abcissa[1] - abcissa[0] ;
|
---|
[1616] | 3247 | //os << "GROUP " << igrp << " (" << tableid << "," << rowid << "): nchan = " << nchan << " (minchan = " << minchan << ")" << LogIO::POST ;
|
---|
[1446] | 3248 | if ( nchan < minchan ) {
|
---|
| 3249 | minchan = nchan ;
|
---|
| 3250 | maxdnu = dnu ;
|
---|
| 3251 | newin[tableid]->frequencies().getEntry( refpixref, refvalref, refinc, rowid ) ;
|
---|
| 3252 | refreqid = rowid ;
|
---|
| 3253 | reftable = tableid ;
|
---|
| 3254 | }
|
---|
| 3255 | }
|
---|
| 3256 | }
|
---|
| 3257 | // regrid spectra in each group
|
---|
[1616] | 3258 | os << "GROUP " << igrp << endl ;
|
---|
| 3259 | os << " Channel number is adjusted to " << minchan << endl ;
|
---|
| 3260 | os << " Corresponding frequency resolution is " << maxdnu << "Hz" << LogIO::POST ;
|
---|
[1446] | 3261 | for ( uInt imem = 0 ; imem < ifgrp[igrp].size()/2 ; imem++ ) {
|
---|
| 3262 | uInt tableid = ifgrp[igrp][2*imem] ;
|
---|
| 3263 | uInt rowid = ifgrp[igrp][2*imem+1] ;
|
---|
| 3264 | freqIDCol.attach( newin[tableid]->table(), "FREQ_ID" ) ;
|
---|
[1616] | 3265 | //os << "tableid = " << tableid << " rowid = " << rowid << ": " << LogIO::POST ;
|
---|
| 3266 | //os << " regridChannel applied to " ;
|
---|
[1446] | 3267 | if ( tableid != reftable )
|
---|
| 3268 | refreqid = newin[tableid]->frequencies().addEntry( refpixref, refvalref, refinc ) ;
|
---|
| 3269 | for ( uInt irow = 0 ; irow < newin[tableid]->table().nrow() ; irow++ ) {
|
---|
| 3270 | uInt tfreqid = freqIdVec[tableid][irow] ;
|
---|
| 3271 | if ( tfreqid == rowid ) {
|
---|
[1616] | 3272 | //os << irow << " " ;
|
---|
[1446] | 3273 | newin[tableid]->regridChannel( minchan, maxdnu, irow ) ;
|
---|
| 3274 | freqIDCol.put( irow, refreqid ) ;
|
---|
| 3275 | freqIdVec[tableid][irow] = refreqid ;
|
---|
| 3276 | }
|
---|
| 3277 | }
|
---|
[1616] | 3278 | //os << LogIO::POST ;
|
---|
[1446] | 3279 | }
|
---|
| 3280 | }
|
---|
| 3281 | else {
|
---|
| 3282 | uInt tableid = ifgrp[igrp][0] ;
|
---|
| 3283 | uInt rowid = ifgrp[igrp][1] ;
|
---|
| 3284 | vector<uInt>::iterator iter = find( freqIdVec[tableid].begin(), freqIdVec[tableid].end(), rowid ) ;
|
---|
| 3285 | if ( iter != freqIdVec[tableid].end() ) {
|
---|
| 3286 | uInt index = distance( freqIdVec[tableid].begin(), iter ) ;
|
---|
| 3287 | vector<double> abcissa = newin[tableid]->getAbcissa( index ) ;
|
---|
| 3288 | minchan = abcissa.size() ;
|
---|
| 3289 | maxdnu = abcissa[1] - abcissa[0] ;
|
---|
| 3290 | }
|
---|
| 3291 | }
|
---|
| 3292 | for ( uInt i = 0 ; i < freqgrp.size() ; i++ ) {
|
---|
| 3293 | if ( count( freqgrp[i].begin(), freqgrp[i].end(), igrp ) > 0 ) {
|
---|
| 3294 | if ( maxdnu > gmaxdnu[i] ) {
|
---|
| 3295 | gmaxdnu[i] = maxdnu ;
|
---|
| 3296 | gmemid[i] = igrp ;
|
---|
| 3297 | }
|
---|
| 3298 | break ;
|
---|
| 3299 | }
|
---|
| 3300 | }
|
---|
| 3301 | }
|
---|
| 3302 |
|
---|
| 3303 | // set back coordinfo
|
---|
| 3304 | for ( uInt itable = 0 ; itable < insize ; itable++ ) {
|
---|
| 3305 | vector<string> coordinfo = newin[itable]->getCoordInfo() ;
|
---|
| 3306 | coordinfo[0] = oldinfo[itable] ;
|
---|
| 3307 | newin[itable]->setCoordInfo( coordinfo ) ;
|
---|
| 3308 | }
|
---|
| 3309 |
|
---|
| 3310 | // accumulate all rows into the first table
|
---|
| 3311 | // NOTE: assumed in.size() = 1
|
---|
| 3312 | vector< CountedPtr<Scantable> > tmp( 1 ) ;
|
---|
| 3313 | if ( newin.size() == 1 )
|
---|
| 3314 | tmp[0] = newin[0] ;
|
---|
| 3315 | else
|
---|
| 3316 | tmp[0] = merge( newin ) ;
|
---|
| 3317 |
|
---|
| 3318 | //return tmp[0] ;
|
---|
| 3319 |
|
---|
| 3320 | // average
|
---|
| 3321 | CountedPtr<Scantable> tmpout = average( tmp, mask, weight, avmode ) ;
|
---|
| 3322 |
|
---|
| 3323 | //return tmpout ;
|
---|
| 3324 |
|
---|
| 3325 | // combine frequency group
|
---|
[1616] | 3326 | os << "Combine spectra based on frequency grouping" << LogIO::POST ;
|
---|
| 3327 | os << "IFNO is renumbered as frequency group ID (see above)" << LogIO::POST ;
|
---|
[1446] | 3328 | vector<string> coordinfo = tmpout->getCoordInfo() ;
|
---|
| 3329 | oldinfo[0] = coordinfo[0] ;
|
---|
| 3330 | coordinfo[0] = "Hz" ;
|
---|
| 3331 | tmpout->setCoordInfo( coordinfo ) ;
|
---|
| 3332 | // create proformas of output table
|
---|
| 3333 | stringstream taqlstream ;
|
---|
| 3334 | taqlstream << "SELECT FROM $1 WHERE IFNO IN [" ;
|
---|
| 3335 | for ( uInt i = 0 ; i < gmemid.size() ; i++ ) {
|
---|
| 3336 | taqlstream << gmemid[i] ;
|
---|
| 3337 | if ( i < gmemid.size() - 1 )
|
---|
| 3338 | taqlstream << "," ;
|
---|
| 3339 | else
|
---|
| 3340 | taqlstream << "]" ;
|
---|
| 3341 | }
|
---|
| 3342 | string taql = taqlstream.str() ;
|
---|
[1616] | 3343 | //os << "taql = " << taql << LogIO::POST ;
|
---|
[1446] | 3344 | STSelector selector = STSelector() ;
|
---|
| 3345 | selector.setTaQL( taql ) ;
|
---|
| 3346 | oldInsitu = insitu_ ;
|
---|
| 3347 | setInsitu( false ) ;
|
---|
| 3348 | out = getScantable( tmpout, false ) ;
|
---|
| 3349 | setInsitu( oldInsitu ) ;
|
---|
| 3350 | out->setSelection( selector ) ;
|
---|
| 3351 | // regrid rows
|
---|
| 3352 | ifnoCol.attach( tmpout->table(), "IFNO" ) ;
|
---|
| 3353 | for ( uInt irow = 0 ; irow < tmpout->table().nrow() ; irow++ ) {
|
---|
| 3354 | uInt ifno = ifnoCol( irow ) ;
|
---|
| 3355 | for ( uInt igrp = 0 ; igrp < freqgrp.size() ; igrp++ ) {
|
---|
| 3356 | if ( count( freqgrp[igrp].begin(), freqgrp[igrp].end(), ifno ) > 0 ) {
|
---|
| 3357 | vector<double> abcissa = tmpout->getAbcissa( irow ) ;
|
---|
| 3358 | double bw = ( abcissa[1] - abcissa[0] ) * abcissa.size() ;
|
---|
| 3359 | int nchan = (int)( bw / gmaxdnu[igrp] ) ;
|
---|
| 3360 | tmpout->regridChannel( nchan, gmaxdnu[igrp], irow ) ;
|
---|
| 3361 | break ;
|
---|
| 3362 | }
|
---|
| 3363 | }
|
---|
| 3364 | }
|
---|
| 3365 | // combine spectra
|
---|
| 3366 | ArrayColumn<Float> specColOut ;
|
---|
| 3367 | specColOut.attach( out->table(), "SPECTRA" ) ;
|
---|
| 3368 | ArrayColumn<uChar> flagColOut ;
|
---|
| 3369 | flagColOut.attach( out->table(), "FLAGTRA" ) ;
|
---|
| 3370 | ScalarColumn<uInt> ifnoColOut ;
|
---|
| 3371 | ifnoColOut.attach( out->table(), "IFNO" ) ;
|
---|
| 3372 | ScalarColumn<uInt> polnoColOut ;
|
---|
| 3373 | polnoColOut.attach( out->table(), "POLNO" ) ;
|
---|
| 3374 | ScalarColumn<uInt> freqidColOut ;
|
---|
| 3375 | freqidColOut.attach( out->table(), "FREQ_ID" ) ;
|
---|
[1607] | 3376 | MDirection::ScalarColumn dirColOut ;
|
---|
| 3377 | dirColOut.attach( out->table(), "DIRECTION" ) ;
|
---|
[1446] | 3378 | Table &tab = tmpout->table() ;
|
---|
[1607] | 3379 | Block<String> cols(1);
|
---|
| 3380 | cols[0] = String("POLNO") ;
|
---|
| 3381 | TableIterator iter( tab, cols ) ;
|
---|
| 3382 | bool done = false ;
|
---|
[1446] | 3383 | vector< vector<uInt> > sizes( freqgrp.size() ) ;
|
---|
| 3384 | while( !iter.pastEnd() ) {
|
---|
| 3385 | vector< vector<Float> > specout( freqgrp.size() ) ;
|
---|
| 3386 | vector< vector<uChar> > flagout( freqgrp.size() ) ;
|
---|
| 3387 | ArrayColumn<Float> specCols ;
|
---|
| 3388 | specCols.attach( iter.table(), "SPECTRA" ) ;
|
---|
| 3389 | ArrayColumn<uChar> flagCols ;
|
---|
| 3390 | flagCols.attach( iter.table(), "FLAGTRA" ) ;
|
---|
| 3391 | ifnoCol.attach( iter.table(), "IFNO" ) ;
|
---|
| 3392 | ScalarColumn<uInt> polnos ;
|
---|
| 3393 | polnos.attach( iter.table(), "POLNO" ) ;
|
---|
[1607] | 3394 | MDirection::ScalarColumn dircol ;
|
---|
| 3395 | dircol.attach( iter.table(), "DIRECTION" ) ;
|
---|
[1446] | 3396 | uInt polno = polnos( 0 ) ;
|
---|
[1616] | 3397 | //os << "POLNO iteration: " << polno << LogIO::POST ;
|
---|
[1607] | 3398 | // for ( uInt igrp = 0 ; igrp < freqgrp.size() ; igrp++ ) {
|
---|
| 3399 | // sizes[igrp].resize( freqgrp[igrp].size() ) ;
|
---|
| 3400 | // for ( uInt imem = 0 ; imem < freqgrp[igrp].size() ; imem++ ) {
|
---|
| 3401 | // for ( uInt irow = 0 ; irow < iter.table().nrow() ; irow++ ) {
|
---|
| 3402 | // uInt ifno = ifnoCol( irow ) ;
|
---|
| 3403 | // if ( ifno == freqgrp[igrp][imem] ) {
|
---|
| 3404 | // Vector<Float> spec = specCols( irow ) ;
|
---|
| 3405 | // Vector<uChar> flag = flagCols( irow ) ;
|
---|
| 3406 | // vector<Float> svec ;
|
---|
| 3407 | // spec.tovector( svec ) ;
|
---|
| 3408 | // vector<uChar> fvec ;
|
---|
| 3409 | // flag.tovector( fvec ) ;
|
---|
[1616] | 3410 | // //os << "spec.size() = " << svec.size() << " fvec.size() = " << fvec.size() << LogIO::POST ;
|
---|
[1607] | 3411 | // specout[igrp].insert( specout[igrp].end(), svec.begin(), svec.end() ) ;
|
---|
| 3412 | // flagout[igrp].insert( flagout[igrp].end(), fvec.begin(), fvec.end() ) ;
|
---|
[1616] | 3413 | // //os << "specout[" << igrp << "].size() = " << specout[igrp].size() << LogIO::POST ;
|
---|
[1607] | 3414 | // sizes[igrp][imem] = spec.nelements() ;
|
---|
| 3415 | // }
|
---|
| 3416 | // }
|
---|
| 3417 | // }
|
---|
| 3418 | // for ( uInt irow = 0 ; irow < out->table().nrow() ; irow++ ) {
|
---|
| 3419 | // uInt ifout = ifnoColOut( irow ) ;
|
---|
| 3420 | // uInt polout = polnoColOut( irow ) ;
|
---|
| 3421 | // if ( ifout == gmemid[igrp] && polout == polno ) {
|
---|
| 3422 | // // set SPECTRA and FRAGTRA
|
---|
| 3423 | // Vector<Float> newspec( specout[igrp] ) ;
|
---|
| 3424 | // Vector<uChar> newflag( flagout[igrp] ) ;
|
---|
| 3425 | // specColOut.put( irow, newspec ) ;
|
---|
| 3426 | // flagColOut.put( irow, newflag ) ;
|
---|
| 3427 | // // IFNO renumbering
|
---|
| 3428 | // ifnoColOut.put( irow, igrp ) ;
|
---|
| 3429 | // }
|
---|
| 3430 | // }
|
---|
| 3431 | // }
|
---|
| 3432 | // get a list of number of channels for each frequency group member
|
---|
| 3433 | if ( !done ) {
|
---|
| 3434 | for ( uInt igrp = 0 ; igrp < freqgrp.size() ; igrp++ ) {
|
---|
| 3435 | sizes[igrp].resize( freqgrp[igrp].size() ) ;
|
---|
| 3436 | for ( uInt imem = 0 ; imem < freqgrp[igrp].size() ; imem++ ) {
|
---|
| 3437 | for ( uInt irow = 0 ; irow < iter.table().nrow() ; irow++ ) {
|
---|
| 3438 | uInt ifno = ifnoCol( irow ) ;
|
---|
| 3439 | if ( ifno == freqgrp[igrp][imem] ) {
|
---|
| 3440 | Vector<Float> spec = specCols( irow ) ;
|
---|
| 3441 | sizes[igrp][imem] = spec.nelements() ;
|
---|
| 3442 | break ;
|
---|
| 3443 | }
|
---|
| 3444 | }
|
---|
| 3445 | }
|
---|
| 3446 | }
|
---|
| 3447 | done = true ;
|
---|
[1446] | 3448 | }
|
---|
[1607] | 3449 | // combine spectra
|
---|
| 3450 | for ( uInt irow = 0 ; irow < out->table().nrow() ; irow++ ) {
|
---|
| 3451 | uInt polout = polnoColOut( irow ) ;
|
---|
| 3452 | if ( polout == polno ) {
|
---|
| 3453 | uInt ifout = ifnoColOut( irow ) ;
|
---|
| 3454 | Vector<Double> direction = dirColOut(irow).getAngle(Unit(String("rad"))).getValue() ;
|
---|
| 3455 | uInt igrp ;
|
---|
| 3456 | for ( uInt jgrp = 0 ; jgrp < freqgrp.size() ; jgrp++ ) {
|
---|
| 3457 | if ( ifout == gmemid[jgrp] ) {
|
---|
| 3458 | igrp = jgrp ;
|
---|
| 3459 | break ;
|
---|
| 3460 | }
|
---|
| 3461 | }
|
---|
| 3462 | for ( uInt imem = 0 ; imem < freqgrp[igrp].size() ; imem++ ) {
|
---|
| 3463 | for ( uInt jrow = 0 ; jrow < iter.table().nrow() ; jrow++ ) {
|
---|
| 3464 | uInt ifno = ifnoCol( jrow ) ;
|
---|
| 3465 | Vector<Double> tdir = dircol(jrow).getAngle(Unit(String("rad"))).getValue() ;
|
---|
| 3466 | //if ( ifno == freqgrp[igrp][imem] && allTrue( tdir == direction ) ) {
|
---|
[1611] | 3467 | Double dx = tdir[0] - direction[0] ;
|
---|
| 3468 | Double dy = tdir[1] - direction[1] ;
|
---|
| 3469 | Double dd = sqrt( dx * dx + dy * dy ) ;
|
---|
| 3470 | //if ( ifno == freqgrp[igrp][imem] && allNearAbs( tdir, direction, tol ) ) {
|
---|
| 3471 | if ( ifno == freqgrp[igrp][imem] && dd <= tol ) {
|
---|
[1607] | 3472 | Vector<Float> spec = specCols( jrow ) ;
|
---|
| 3473 | Vector<uChar> flag = flagCols( jrow ) ;
|
---|
| 3474 | vector<Float> svec ;
|
---|
| 3475 | spec.tovector( svec ) ;
|
---|
| 3476 | vector<uChar> fvec ;
|
---|
| 3477 | flag.tovector( fvec ) ;
|
---|
[1616] | 3478 | //os << "spec.size() = " << svec.size() << " fvec.size() = " << fvec.size() << LogIO::POST ;
|
---|
[1607] | 3479 | specout[igrp].insert( specout[igrp].end(), svec.begin(), svec.end() ) ;
|
---|
| 3480 | flagout[igrp].insert( flagout[igrp].end(), fvec.begin(), fvec.end() ) ;
|
---|
[1616] | 3481 | //os << "specout[" << igrp << "].size() = " << specout[igrp].size() << LogIO::POST ;
|
---|
[1607] | 3482 | }
|
---|
| 3483 | }
|
---|
| 3484 | }
|
---|
| 3485 | // set SPECTRA and FRAGTRA
|
---|
| 3486 | Vector<Float> newspec( specout[igrp] ) ;
|
---|
| 3487 | Vector<uChar> newflag( flagout[igrp] ) ;
|
---|
| 3488 | specColOut.put( irow, newspec ) ;
|
---|
| 3489 | flagColOut.put( irow, newflag ) ;
|
---|
| 3490 | // IFNO renumbering
|
---|
| 3491 | ifnoColOut.put( irow, igrp ) ;
|
---|
| 3492 | }
|
---|
| 3493 | }
|
---|
[1446] | 3494 | iter++ ;
|
---|
| 3495 | }
|
---|
| 3496 | // update FREQUENCIES subtable
|
---|
| 3497 | vector<bool> updated( freqgrp.size(), false ) ;
|
---|
| 3498 | for ( uInt igrp = 0 ; igrp < freqgrp.size() ; igrp++ ) {
|
---|
| 3499 | uInt index = 0 ;
|
---|
| 3500 | uInt pixShift = 0 ;
|
---|
| 3501 | while ( freqgrp[igrp][index] != gmemid[igrp] ) {
|
---|
| 3502 | pixShift += sizes[igrp][index++] ;
|
---|
| 3503 | }
|
---|
| 3504 | for ( uInt irow = 0 ; irow < out->table().nrow() ; irow++ ) {
|
---|
| 3505 | if ( ifnoColOut( irow ) == gmemid[igrp] && !updated[igrp] ) {
|
---|
| 3506 | uInt freqidOut = freqidColOut( irow ) ;
|
---|
[1616] | 3507 | //os << "freqgrp " << igrp << " freqidOut = " << freqidOut << LogIO::POST ;
|
---|
[1446] | 3508 | double refpix ;
|
---|
| 3509 | double refval ;
|
---|
| 3510 | double increm ;
|
---|
| 3511 | out->frequencies().getEntry( refpix, refval, increm, freqidOut ) ;
|
---|
| 3512 | refpix += pixShift ;
|
---|
| 3513 | out->frequencies().setEntry( refpix, refval, increm, freqidOut ) ;
|
---|
| 3514 | updated[igrp] = true ;
|
---|
| 3515 | }
|
---|
| 3516 | }
|
---|
| 3517 | }
|
---|
| 3518 |
|
---|
| 3519 | //out = tmpout ;
|
---|
| 3520 |
|
---|
| 3521 | coordinfo = tmpout->getCoordInfo() ;
|
---|
| 3522 | coordinfo[0] = oldinfo[0] ;
|
---|
| 3523 | tmpout->setCoordInfo( coordinfo ) ;
|
---|
| 3524 | }
|
---|
| 3525 | else {
|
---|
| 3526 | // simple average
|
---|
| 3527 | out = average( in, mask, weight, avmode ) ;
|
---|
| 3528 | }
|
---|
| 3529 |
|
---|
| 3530 | return out ;
|
---|
| 3531 | }
|
---|
[1633] | 3532 |
|
---|
| 3533 | CountedPtr<Scantable> STMath::cwcal( const CountedPtr<Scantable>& s,
|
---|
| 3534 | const String calmode,
|
---|
| 3535 | const String antname )
|
---|
| 3536 | {
|
---|
| 3537 | // frequency switch
|
---|
| 3538 | if ( calmode == "fs" ) {
|
---|
| 3539 | return cwcalfs( s, antname ) ;
|
---|
| 3540 | }
|
---|
| 3541 | else {
|
---|
| 3542 | string skystr = "*_sky" ;
|
---|
| 3543 | string hotstr = "*_hot" ;
|
---|
| 3544 | string coldstr = "*_cold" ;
|
---|
| 3545 | string onstr = "*_" ;
|
---|
| 3546 | string offstr = "*_" ;
|
---|
| 3547 |
|
---|
| 3548 | if ( calmode == "ps" || calmode == "otf" ) {
|
---|
| 3549 | onstr += "pson" ;
|
---|
| 3550 | offstr += "psoff" ;
|
---|
| 3551 | }
|
---|
| 3552 | else if ( calmode == "wob" ) {
|
---|
| 3553 | onstr += "wobon" ;
|
---|
| 3554 | offstr += "woboff" ;
|
---|
| 3555 | }
|
---|
| 3556 |
|
---|
| 3557 | vector<bool> masks = s->getMask( 0 ) ;
|
---|
| 3558 |
|
---|
| 3559 | // sky scan
|
---|
| 3560 | STSelector sel = STSelector() ;
|
---|
| 3561 | sel.setName( skystr ) ;
|
---|
| 3562 | s->setSelection( sel ) ;
|
---|
| 3563 | vector< CountedPtr<Scantable> > tmp( 1, getScantable( s, false ) ) ;
|
---|
| 3564 | CountedPtr<Scantable> asky = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3565 | s->unsetSelection() ;
|
---|
| 3566 | sel.reset() ;
|
---|
| 3567 |
|
---|
| 3568 | // hot scan
|
---|
| 3569 | sel.setName( hotstr ) ;
|
---|
| 3570 | s->setSelection( sel ) ;
|
---|
| 3571 | tmp[0] = getScantable( s, false ) ;
|
---|
| 3572 | CountedPtr<Scantable> ahot = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3573 | s->unsetSelection() ;
|
---|
| 3574 | sel.reset() ;
|
---|
| 3575 |
|
---|
| 3576 | // cold scan
|
---|
| 3577 | sel.setName( coldstr ) ;
|
---|
| 3578 | s->setSelection( sel ) ;
|
---|
| 3579 | tmp[0] = getScantable( s, false ) ;
|
---|
| 3580 | CountedPtr<Scantable> acold = average( tmp, masks, "TINT", "SCNAN" ) ;
|
---|
| 3581 | s->unsetSelection() ;
|
---|
| 3582 | sel.reset() ;
|
---|
| 3583 |
|
---|
| 3584 | // off scan
|
---|
| 3585 | sel.setName( offstr ) ;
|
---|
| 3586 | s->setSelection( sel ) ;
|
---|
| 3587 | tmp[0] = getScantable( s, false ) ;
|
---|
| 3588 | CountedPtr<Scantable> aoff = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3589 | s->unsetSelection() ;
|
---|
| 3590 | sel.reset() ;
|
---|
| 3591 |
|
---|
| 3592 | // on scan
|
---|
| 3593 | bool insitu = insitu_ ;
|
---|
| 3594 | insitu_ = false ;
|
---|
| 3595 | CountedPtr<Scantable> out = getScantable( s, true ) ;
|
---|
| 3596 | insitu_ = insitu ;
|
---|
| 3597 | sel.setName( onstr ) ;
|
---|
| 3598 | s->setSelection( sel ) ;
|
---|
| 3599 | TableCopy::copyRows( out->table(), s->table() ) ;
|
---|
| 3600 | s->unsetSelection() ;
|
---|
| 3601 | sel.reset() ;
|
---|
| 3602 |
|
---|
| 3603 | // process each on scan
|
---|
[1634] | 3604 | ArrayColumn<Float> tsysCol ;
|
---|
| 3605 | tsysCol.attach( out->table(), "TSYS" ) ;
|
---|
[1633] | 3606 | for ( int i = 0 ; i < out->nrow() ; i++ ) {
|
---|
| 3607 | vector<float> sp = getCalibratedSpectra( out, aoff, asky, ahot, acold, i, antname ) ;
|
---|
| 3608 | out->setSpectrum( sp, i ) ;
|
---|
[1634] | 3609 | string reftime = out->getTime( i ) ;
|
---|
| 3610 | vector<int> ii( 1, out->getIF( i ) ) ;
|
---|
| 3611 | vector<int> ib( 1, out->getBeam( i ) ) ;
|
---|
| 3612 | vector<int> ip( 1, out->getPol( i ) ) ;
|
---|
| 3613 | sel.setIFs( ii ) ;
|
---|
| 3614 | sel.setBeams( ib ) ;
|
---|
| 3615 | sel.setPolarizations( ip ) ;
|
---|
| 3616 | asky->setSelection( sel ) ;
|
---|
| 3617 | vector<float> sptsys = getTsysFromTime( reftime, asky, "linear" ) ;
|
---|
| 3618 | const Vector<Float> Vtsys( sptsys ) ;
|
---|
| 3619 | tsysCol.put( i, Vtsys ) ;
|
---|
| 3620 | asky->unsetSelection() ;
|
---|
| 3621 | sel.reset() ;
|
---|
[1633] | 3622 | }
|
---|
| 3623 |
|
---|
| 3624 | // remove additional string from SRCNAME
|
---|
| 3625 | ScalarColumn<String> srcnameCol ;
|
---|
| 3626 | srcnameCol.attach( out->table(), "SRCNAME" ) ;
|
---|
| 3627 | Vector<String> srcnames( srcnameCol.getColumn() ) ;
|
---|
| 3628 | for ( uInt i = 0 ; i < srcnames.nelements() ; i++ ) {
|
---|
| 3629 | srcnames[i] = srcnames[i].substr( 0, srcnames[i].find( onstr.substr(1,onstr.size()-1) ) ) ;
|
---|
| 3630 | }
|
---|
| 3631 | srcnameCol.putColumn( srcnames ) ;
|
---|
| 3632 |
|
---|
[1634] | 3633 | // flux unit
|
---|
| 3634 | out->setFluxUnit( "K" ) ;
|
---|
| 3635 |
|
---|
[1633] | 3636 | return out ;
|
---|
| 3637 | }
|
---|
| 3638 | }
|
---|
| 3639 |
|
---|
[1673] | 3640 | CountedPtr<Scantable> STMath::almacal( const CountedPtr<Scantable>& s,
|
---|
| 3641 | const String calmode )
|
---|
| 3642 | {
|
---|
| 3643 | // frequency switch
|
---|
| 3644 | if ( calmode == "fs" ) {
|
---|
| 3645 | return almacalfs( s ) ;
|
---|
| 3646 | }
|
---|
| 3647 | else {
|
---|
| 3648 | vector<bool> masks = s->getMask( 0 ) ;
|
---|
| 3649 |
|
---|
| 3650 | // off scan
|
---|
| 3651 | STSelector sel = STSelector() ;
|
---|
[1675] | 3652 | string taql = "SELECT FROM $1 WHERE SRCTYPE == 1" ;
|
---|
[1674] | 3653 | sel.setTaQL( taql ) ;
|
---|
[1673] | 3654 | s->setSelection( sel ) ;
|
---|
| 3655 | // TODO 2010/01/08 TN
|
---|
| 3656 | // Grouping by time should be needed before averaging.
|
---|
| 3657 | // Each group must have own unique SCANNO (should be renumbered).
|
---|
| 3658 | // See PIPELINE/SDCalibration.py
|
---|
| 3659 | CountedPtr<Scantable> soff = getScantable( s, false ) ;
|
---|
| 3660 | Table ttab = soff->table() ;
|
---|
| 3661 | ROScalarColumn<Double> timeCol( ttab, "TIME" ) ;
|
---|
| 3662 | uInt nrow = timeCol.nrow() ;
|
---|
| 3663 | Vector<Double> timeSep( nrow - 1 ) ;
|
---|
| 3664 | for ( uInt i = 0 ; i < nrow - 1 ; i++ ) {
|
---|
| 3665 | timeSep[i] = timeCol(i+1) - timeCol(i) ;
|
---|
| 3666 | }
|
---|
| 3667 | ScalarColumn<Double> intervalCol( ttab, "INTERVAL" ) ;
|
---|
| 3668 | Vector<Double> interval = intervalCol.getColumn() ;
|
---|
| 3669 | interval /= 86400.0 ;
|
---|
| 3670 | ScalarColumn<uInt> scanCol( ttab, "SCANNO" ) ;
|
---|
| 3671 | vector<uInt> glist ;
|
---|
| 3672 | for ( uInt i = 0 ; i < nrow - 1 ; i++ ) {
|
---|
| 3673 | double gap = 2.0 * timeSep[i] / ( interval[i] + interval[i+1] ) ;
|
---|
| 3674 | //cout << "gap[" << i << "]=" << setw(5) << gap << endl ;
|
---|
| 3675 | if ( gap > 1.1 ) {
|
---|
| 3676 | glist.push_back( i ) ;
|
---|
| 3677 | }
|
---|
| 3678 | }
|
---|
| 3679 | Vector<uInt> gaplist( glist ) ;
|
---|
| 3680 | //cout << "gaplist = " << gaplist << endl ;
|
---|
| 3681 | uInt newid = 0 ;
|
---|
| 3682 | for ( uInt i = 0 ; i < nrow ; i++ ) {
|
---|
| 3683 | scanCol.put( i, newid ) ;
|
---|
| 3684 | if ( i == gaplist[newid] ) {
|
---|
| 3685 | newid++ ;
|
---|
| 3686 | }
|
---|
| 3687 | }
|
---|
| 3688 | //cout << "new scancol = " << scanCol.getColumn() << endl ;
|
---|
| 3689 | vector< CountedPtr<Scantable> > tmp( 1, soff ) ;
|
---|
| 3690 | CountedPtr<Scantable> aoff = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3691 | //cout << "aoff.nrow = " << aoff->nrow() << endl ;
|
---|
| 3692 | s->unsetSelection() ;
|
---|
| 3693 | sel.reset() ;
|
---|
| 3694 |
|
---|
| 3695 | // on scan
|
---|
| 3696 | bool insitu = insitu_ ;
|
---|
| 3697 | insitu_ = false ;
|
---|
| 3698 | CountedPtr<Scantable> out = getScantable( s, true ) ;
|
---|
| 3699 | insitu_ = insitu ;
|
---|
[1675] | 3700 | taql = "SELECT FROM $1 WHERE SRCTYPE == 0" ;
|
---|
[1674] | 3701 | sel.setTaQL( taql ) ;
|
---|
[1673] | 3702 | s->setSelection( sel ) ;
|
---|
| 3703 | TableCopy::copyRows( out->table(), s->table() ) ;
|
---|
| 3704 | s->unsetSelection() ;
|
---|
| 3705 | sel.reset() ;
|
---|
| 3706 |
|
---|
| 3707 | // process each on scan
|
---|
| 3708 | ArrayColumn<Float> tsysCol ;
|
---|
| 3709 | tsysCol.attach( out->table(), "TSYS" ) ;
|
---|
| 3710 | for ( int i = 0 ; i < out->nrow() ; i++ ) {
|
---|
| 3711 | vector<float> sp = getCalibratedSpectra( out, aoff, i ) ;
|
---|
| 3712 | out->setSpectrum( sp, i ) ;
|
---|
| 3713 | }
|
---|
| 3714 |
|
---|
| 3715 | // flux unit
|
---|
| 3716 | out->setFluxUnit( "K" ) ;
|
---|
| 3717 |
|
---|
| 3718 | return out ;
|
---|
| 3719 | }
|
---|
| 3720 | }
|
---|
| 3721 |
|
---|
[1633] | 3722 | CountedPtr<Scantable> STMath::cwcalfs( const CountedPtr<Scantable>& s,
|
---|
| 3723 | const String antname )
|
---|
| 3724 | {
|
---|
| 3725 | string skystr = "*_sky" ;
|
---|
| 3726 | string skystr1 = "*_fslo_sky" ;
|
---|
| 3727 | string skystr2 = "*_fshi_sky" ;
|
---|
| 3728 | string hotstr = "*_hot" ;
|
---|
| 3729 | string hotstr1 = "*_fslo_hot" ;
|
---|
| 3730 | string hotstr2 = "*_fshi_hot" ;
|
---|
| 3731 | string coldstr = "*_cold" ;
|
---|
| 3732 | string coldstr1 = "*_fslo_cold" ;
|
---|
| 3733 | string coldstr2 = "*_fshi_cold" ;
|
---|
| 3734 | string offstr1 = "*_fslo_off" ;
|
---|
| 3735 | string offstr2 = "*_fshi_off" ;
|
---|
| 3736 | string sigstr = "*_" ;
|
---|
| 3737 | string refstr = "*_" ;
|
---|
| 3738 |
|
---|
| 3739 | // APEX calibration mode
|
---|
| 3740 | int apexcalmode = 1 ;
|
---|
| 3741 |
|
---|
| 3742 | if ( antname.find( "APEX" ) != string::npos ) {
|
---|
| 3743 | sigstr += "fslo" ;
|
---|
| 3744 | refstr += "fshi" ;
|
---|
| 3745 |
|
---|
| 3746 | // check if off scan exists or not
|
---|
| 3747 | STSelector sel = STSelector() ;
|
---|
| 3748 | sel.setName( offstr1 ) ;
|
---|
| 3749 | try {
|
---|
| 3750 | s->setSelection( sel ) ;
|
---|
| 3751 | }
|
---|
| 3752 | catch ( AipsError &e ) {
|
---|
| 3753 | apexcalmode = 0 ;
|
---|
| 3754 | }
|
---|
| 3755 | }
|
---|
| 3756 | else {
|
---|
| 3757 | sigstr += "fssig" ;
|
---|
| 3758 | refstr += "fsref" ;
|
---|
| 3759 | }
|
---|
| 3760 |
|
---|
| 3761 | vector<bool> masks = s->getMask( 0 ) ;
|
---|
| 3762 | CountedPtr<Scantable> ssig, sref ;
|
---|
| 3763 | CountedPtr<Scantable> out ;
|
---|
| 3764 |
|
---|
| 3765 | if ( antname.find( "APEX" ) != string::npos && apexcalmode == 0 ) {
|
---|
| 3766 | // APEX fs data without off scan
|
---|
| 3767 | // sky scan
|
---|
| 3768 | STSelector sel = STSelector() ;
|
---|
| 3769 | sel.setName( skystr1 ) ;
|
---|
| 3770 | s->setSelection( sel ) ;
|
---|
| 3771 | vector< CountedPtr<Scantable> > tmp( 1, getScantable( s, false ) ) ;
|
---|
| 3772 | CountedPtr<Scantable> askylo = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3773 | s->unsetSelection() ;
|
---|
| 3774 | sel.reset() ;
|
---|
| 3775 | sel.setName( skystr2 ) ;
|
---|
| 3776 | s->setSelection( sel ) ;
|
---|
| 3777 | tmp[0] = getScantable( s, false ) ;
|
---|
| 3778 | CountedPtr<Scantable> askyhi = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3779 | s->unsetSelection() ;
|
---|
| 3780 | sel.reset() ;
|
---|
| 3781 |
|
---|
| 3782 | // hot scan
|
---|
| 3783 | sel.setName( hotstr1 ) ;
|
---|
| 3784 | s->setSelection( sel ) ;
|
---|
| 3785 | tmp[0] = getScantable( s, false ) ;
|
---|
| 3786 | CountedPtr<Scantable> ahotlo = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3787 | s->unsetSelection() ;
|
---|
| 3788 | sel.reset() ;
|
---|
| 3789 | sel.setName( hotstr2 ) ;
|
---|
| 3790 | s->setSelection( sel ) ;
|
---|
| 3791 | tmp[0] = getScantable( s, false ) ;
|
---|
| 3792 | CountedPtr<Scantable> ahothi = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3793 | s->unsetSelection() ;
|
---|
| 3794 | sel.reset() ;
|
---|
| 3795 |
|
---|
| 3796 | // cold scan
|
---|
| 3797 | sel.setName( coldstr1 ) ;
|
---|
| 3798 | s->setSelection( sel ) ;
|
---|
| 3799 | tmp[0] = getScantable( s, false ) ;
|
---|
| 3800 | CountedPtr<Scantable> acoldlo = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3801 | s->unsetSelection() ;
|
---|
| 3802 | sel.reset() ;
|
---|
| 3803 | sel.setName( coldstr2 ) ;
|
---|
| 3804 | s->setSelection( sel ) ;
|
---|
| 3805 | tmp[0] = getScantable( s, false ) ;
|
---|
| 3806 | CountedPtr<Scantable> acoldhi = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3807 | s->unsetSelection() ;
|
---|
| 3808 | sel.reset() ;
|
---|
| 3809 |
|
---|
| 3810 | // ref scan
|
---|
| 3811 | bool insitu = insitu_ ;
|
---|
| 3812 | insitu_ = false ;
|
---|
| 3813 | sref = getScantable( s, true ) ;
|
---|
| 3814 | insitu_ = insitu ;
|
---|
| 3815 | sel.setName( refstr ) ;
|
---|
| 3816 | s->setSelection( sel ) ;
|
---|
| 3817 | TableCopy::copyRows( sref->table(), s->table() ) ;
|
---|
| 3818 | s->unsetSelection() ;
|
---|
| 3819 | sel.reset() ;
|
---|
| 3820 |
|
---|
| 3821 | // sig scan
|
---|
| 3822 | insitu_ = false ;
|
---|
| 3823 | ssig = getScantable( s, true ) ;
|
---|
| 3824 | insitu_ = insitu ;
|
---|
| 3825 | sel.setName( sigstr ) ;
|
---|
| 3826 | s->setSelection( sel ) ;
|
---|
| 3827 | TableCopy::copyRows( ssig->table(), s->table() ) ;
|
---|
| 3828 | s->unsetSelection() ;
|
---|
| 3829 | sel.reset() ;
|
---|
| 3830 |
|
---|
| 3831 | // process each sig and ref scan
|
---|
[1634] | 3832 | ArrayColumn<Float> tsysCollo ;
|
---|
| 3833 | tsysCollo.attach( ssig->table(), "TSYS" ) ;
|
---|
| 3834 | ArrayColumn<Float> tsysColhi ;
|
---|
| 3835 | tsysColhi.attach( sref->table(), "TSYS" ) ;
|
---|
[1633] | 3836 | for ( int i = 0 ; i < ssig->nrow() ; i++ ) {
|
---|
| 3837 | vector< CountedPtr<Scantable> > sky( 2 ) ;
|
---|
| 3838 | sky[0] = askylo ;
|
---|
| 3839 | sky[1] = askyhi ;
|
---|
| 3840 | vector< CountedPtr<Scantable> > hot( 2 ) ;
|
---|
| 3841 | hot[0] = ahotlo ;
|
---|
| 3842 | hot[1] = ahothi ;
|
---|
| 3843 | vector< CountedPtr<Scantable> > cold( 2 ) ;
|
---|
| 3844 | cold[0] = acoldlo ;
|
---|
| 3845 | cold[1] = acoldhi ;
|
---|
| 3846 | vector<float> sp = getFSCalibratedSpectra( ssig, sref, sky, hot, cold, i ) ;
|
---|
| 3847 | ssig->setSpectrum( sp, i ) ;
|
---|
[1634] | 3848 | string reftime = ssig->getTime( i ) ;
|
---|
| 3849 | vector<int> ii( 1, ssig->getIF( i ) ) ;
|
---|
| 3850 | vector<int> ib( 1, ssig->getBeam( i ) ) ;
|
---|
| 3851 | vector<int> ip( 1, ssig->getPol( i ) ) ;
|
---|
| 3852 | sel.setIFs( ii ) ;
|
---|
| 3853 | sel.setBeams( ib ) ;
|
---|
| 3854 | sel.setPolarizations( ip ) ;
|
---|
| 3855 | askylo->setSelection( sel ) ;
|
---|
| 3856 | vector<float> sptsys = getTsysFromTime( reftime, askylo, "linear" ) ;
|
---|
| 3857 | const Vector<Float> Vtsyslo( sptsys ) ;
|
---|
| 3858 | tsysCollo.put( i, Vtsyslo ) ;
|
---|
| 3859 | askylo->unsetSelection() ;
|
---|
| 3860 | sel.reset() ;
|
---|
[1633] | 3861 | sky[0] = askyhi ;
|
---|
| 3862 | sky[1] = askylo ;
|
---|
| 3863 | hot[0] = ahothi ;
|
---|
| 3864 | hot[1] = ahotlo ;
|
---|
| 3865 | cold[0] = acoldhi ;
|
---|
| 3866 | cold[1] = acoldlo ;
|
---|
| 3867 | sp = getFSCalibratedSpectra( sref, ssig, sky, hot, cold, i ) ;
|
---|
| 3868 | sref->setSpectrum( sp, i ) ;
|
---|
[1634] | 3869 | reftime = sref->getTime( i ) ;
|
---|
| 3870 | ii[0] = sref->getIF( i ) ;
|
---|
| 3871 | ib[0] = sref->getBeam( i ) ;
|
---|
| 3872 | ip[0] = sref->getPol( i ) ;
|
---|
| 3873 | sel.setIFs( ii ) ;
|
---|
| 3874 | sel.setBeams( ib ) ;
|
---|
| 3875 | sel.setPolarizations( ip ) ;
|
---|
| 3876 | askyhi->setSelection( sel ) ;
|
---|
| 3877 | sptsys = getTsysFromTime( reftime, askyhi, "linear" ) ;
|
---|
| 3878 | const Vector<Float> Vtsyshi( sptsys ) ;
|
---|
| 3879 | tsysColhi.put( i, Vtsyshi ) ;
|
---|
| 3880 | askyhi->unsetSelection() ;
|
---|
| 3881 | sel.reset() ;
|
---|
[1633] | 3882 | }
|
---|
| 3883 |
|
---|
| 3884 | }
|
---|
| 3885 | else if ( antname.find( "APEX" ) != string::npos && apexcalmode == 1 ) {
|
---|
| 3886 | // APEX fs data with off scan
|
---|
| 3887 | // sky scan
|
---|
| 3888 | STSelector sel = STSelector() ;
|
---|
| 3889 | sel.setName( skystr1 ) ;
|
---|
| 3890 | s->setSelection( sel ) ;
|
---|
| 3891 | vector< CountedPtr<Scantable> > tmp( 1, getScantable( s, false ) ) ;
|
---|
| 3892 | CountedPtr<Scantable> askylo = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3893 | s->unsetSelection() ;
|
---|
| 3894 | sel.reset() ;
|
---|
| 3895 | sel.setName( skystr2 ) ;
|
---|
| 3896 | s->setSelection( sel ) ;
|
---|
| 3897 | tmp[0] = getScantable( s, false ) ;
|
---|
| 3898 | CountedPtr<Scantable> askyhi = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3899 | s->unsetSelection() ;
|
---|
| 3900 | sel.reset() ;
|
---|
| 3901 |
|
---|
| 3902 | // hot scan
|
---|
| 3903 | sel.setName( hotstr1 ) ;
|
---|
| 3904 | s->setSelection( sel ) ;
|
---|
| 3905 | tmp[0] = getScantable( s, false ) ;
|
---|
| 3906 | CountedPtr<Scantable> ahotlo = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3907 | s->unsetSelection() ;
|
---|
| 3908 | sel.reset() ;
|
---|
| 3909 | sel.setName( hotstr2 ) ;
|
---|
| 3910 | s->setSelection( sel ) ;
|
---|
| 3911 | tmp[0] = getScantable( s, false ) ;
|
---|
| 3912 | CountedPtr<Scantable> ahothi = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3913 | s->unsetSelection() ;
|
---|
| 3914 | sel.reset() ;
|
---|
| 3915 |
|
---|
| 3916 | // cold scan
|
---|
| 3917 | sel.setName( coldstr1 ) ;
|
---|
| 3918 | s->setSelection( sel ) ;
|
---|
| 3919 | tmp[0] = getScantable( s, false ) ;
|
---|
| 3920 | CountedPtr<Scantable> acoldlo = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3921 | s->unsetSelection() ;
|
---|
| 3922 | sel.reset() ;
|
---|
| 3923 | sel.setName( coldstr2 ) ;
|
---|
| 3924 | s->setSelection( sel ) ;
|
---|
| 3925 | tmp[0] = getScantable( s, false ) ;
|
---|
| 3926 | CountedPtr<Scantable> acoldhi = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3927 | s->unsetSelection() ;
|
---|
| 3928 | sel.reset() ;
|
---|
| 3929 |
|
---|
| 3930 | // off scan
|
---|
| 3931 | sel.setName( offstr1 ) ;
|
---|
| 3932 | s->setSelection( sel ) ;
|
---|
| 3933 | tmp[0] = getScantable( s, false ) ;
|
---|
| 3934 | CountedPtr<Scantable> aofflo = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3935 | s->unsetSelection() ;
|
---|
| 3936 | sel.reset() ;
|
---|
| 3937 | sel.setName( offstr2 ) ;
|
---|
| 3938 | s->setSelection( sel ) ;
|
---|
| 3939 | tmp[0] = getScantable( s, false ) ;
|
---|
| 3940 | CountedPtr<Scantable> aoffhi = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 3941 | s->unsetSelection() ;
|
---|
| 3942 | sel.reset() ;
|
---|
| 3943 |
|
---|
| 3944 | // ref scan
|
---|
| 3945 | bool insitu = insitu_ ;
|
---|
| 3946 | insitu_ = false ;
|
---|
| 3947 | sref = getScantable( s, true ) ;
|
---|
| 3948 | insitu_ = insitu ;
|
---|
| 3949 | sel.setName( refstr ) ;
|
---|
| 3950 | s->setSelection( sel ) ;
|
---|
| 3951 | TableCopy::copyRows( sref->table(), s->table() ) ;
|
---|
| 3952 | s->unsetSelection() ;
|
---|
| 3953 | sel.reset() ;
|
---|
| 3954 |
|
---|
| 3955 | // sig scan
|
---|
| 3956 | insitu_ = false ;
|
---|
| 3957 | ssig = getScantable( s, true ) ;
|
---|
| 3958 | insitu_ = insitu ;
|
---|
| 3959 | sel.setName( sigstr ) ;
|
---|
| 3960 | s->setSelection( sel ) ;
|
---|
| 3961 | TableCopy::copyRows( ssig->table(), s->table() ) ;
|
---|
| 3962 | s->unsetSelection() ;
|
---|
| 3963 | sel.reset() ;
|
---|
| 3964 |
|
---|
| 3965 | // process each sig and ref scan
|
---|
[1634] | 3966 | ArrayColumn<Float> tsysCollo ;
|
---|
| 3967 | tsysCollo.attach( ssig->table(), "TSYS" ) ;
|
---|
| 3968 | ArrayColumn<Float> tsysColhi ;
|
---|
| 3969 | tsysColhi.attach( sref->table(), "TSYS" ) ;
|
---|
[1633] | 3970 | for ( int i = 0 ; i < ssig->nrow() ; i++ ) {
|
---|
| 3971 | vector<float> sp = getCalibratedSpectra( ssig, aofflo, askylo, ahotlo, acoldlo, i, antname ) ;
|
---|
| 3972 | ssig->setSpectrum( sp, i ) ;
|
---|
| 3973 | sp = getCalibratedSpectra( sref, aoffhi, askyhi, ahothi, acoldhi, i, antname ) ;
|
---|
[1634] | 3974 | string reftime = ssig->getTime( i ) ;
|
---|
| 3975 | vector<int> ii( 1, ssig->getIF( i ) ) ;
|
---|
| 3976 | vector<int> ib( 1, ssig->getBeam( i ) ) ;
|
---|
| 3977 | vector<int> ip( 1, ssig->getPol( i ) ) ;
|
---|
| 3978 | sel.setIFs( ii ) ;
|
---|
| 3979 | sel.setBeams( ib ) ;
|
---|
| 3980 | sel.setPolarizations( ip ) ;
|
---|
| 3981 | askylo->setSelection( sel ) ;
|
---|
| 3982 | vector<float> sptsys = getTsysFromTime( reftime, askylo, "linear" ) ;
|
---|
| 3983 | const Vector<Float> Vtsyslo( sptsys ) ;
|
---|
| 3984 | tsysCollo.put( i, Vtsyslo ) ;
|
---|
| 3985 | askylo->unsetSelection() ;
|
---|
| 3986 | sel.reset() ;
|
---|
[1633] | 3987 | sref->setSpectrum( sp, i ) ;
|
---|
[1634] | 3988 | reftime = sref->getTime( i ) ;
|
---|
| 3989 | ii[0] = sref->getIF( i ) ;
|
---|
| 3990 | ib[0] = sref->getBeam( i ) ;
|
---|
| 3991 | ip[0] = sref->getPol( i ) ;
|
---|
| 3992 | sel.setIFs( ii ) ;
|
---|
| 3993 | sel.setBeams( ib ) ;
|
---|
| 3994 | sel.setPolarizations( ip ) ;
|
---|
| 3995 | askyhi->setSelection( sel ) ;
|
---|
| 3996 | sptsys = getTsysFromTime( reftime, askyhi, "linear" ) ;
|
---|
| 3997 | const Vector<Float> Vtsyshi( sptsys ) ;
|
---|
| 3998 | tsysColhi.put( i, Vtsyshi ) ;
|
---|
| 3999 | askyhi->unsetSelection() ;
|
---|
| 4000 | sel.reset() ;
|
---|
[1633] | 4001 | }
|
---|
| 4002 | }
|
---|
| 4003 | else if ( antname.find( "APEX" ) == string::npos ) {
|
---|
| 4004 | // non-APEX fs data
|
---|
| 4005 | // sky scan
|
---|
| 4006 | STSelector sel = STSelector() ;
|
---|
| 4007 | sel.setName( skystr ) ;
|
---|
| 4008 | s->setSelection( sel ) ;
|
---|
| 4009 | vector< CountedPtr<Scantable> > tmp( 1, getScantable( s, false ) ) ;
|
---|
| 4010 | CountedPtr<Scantable> asky = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 4011 | s->unsetSelection() ;
|
---|
| 4012 | sel.reset() ;
|
---|
| 4013 |
|
---|
| 4014 | // hot scan
|
---|
| 4015 | sel.setName( hotstr ) ;
|
---|
| 4016 | s->setSelection( sel ) ;
|
---|
| 4017 | tmp[0] = getScantable( s, false ) ;
|
---|
| 4018 | CountedPtr<Scantable> ahot = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 4019 | s->unsetSelection() ;
|
---|
| 4020 | sel.reset() ;
|
---|
| 4021 |
|
---|
| 4022 | // cold scan
|
---|
| 4023 | sel.setName( coldstr ) ;
|
---|
| 4024 | s->setSelection( sel ) ;
|
---|
| 4025 | tmp[0] = getScantable( s, false ) ;
|
---|
| 4026 | CountedPtr<Scantable> acold = average( tmp, masks, "TINT", "SCAN" ) ;
|
---|
| 4027 | s->unsetSelection() ;
|
---|
| 4028 | sel.reset() ;
|
---|
| 4029 |
|
---|
| 4030 | // ref scan
|
---|
| 4031 | bool insitu = insitu_ ;
|
---|
| 4032 | insitu_ = false ;
|
---|
| 4033 | sref = getScantable( s, true ) ;
|
---|
| 4034 | insitu_ = insitu ;
|
---|
| 4035 | sel.setName( refstr ) ;
|
---|
| 4036 | s->setSelection( sel ) ;
|
---|
| 4037 | TableCopy::copyRows( sref->table(), s->table() ) ;
|
---|
| 4038 | s->unsetSelection() ;
|
---|
| 4039 | sel.reset() ;
|
---|
| 4040 |
|
---|
| 4041 | // sig scan
|
---|
| 4042 | insitu_ = false ;
|
---|
| 4043 | ssig = getScantable( s, true ) ;
|
---|
| 4044 | insitu_ = insitu ;
|
---|
| 4045 | sel.setName( sigstr ) ;
|
---|
| 4046 | s->setSelection( sel ) ;
|
---|
| 4047 | TableCopy::copyRows( ssig->table(), s->table() ) ;
|
---|
| 4048 | s->unsetSelection() ;
|
---|
| 4049 | sel.reset() ;
|
---|
| 4050 |
|
---|
| 4051 | // process each sig and ref scan
|
---|
[1634] | 4052 | ArrayColumn<Float> tsysColsig ;
|
---|
| 4053 | tsysColsig.attach( ssig->table(), "TSYS" ) ;
|
---|
| 4054 | ArrayColumn<Float> tsysColref ;
|
---|
| 4055 | tsysColref.attach( ssig->table(), "TSYS" ) ;
|
---|
[1633] | 4056 | for ( int i = 0 ; i < ssig->nrow() ; i++ ) {
|
---|
| 4057 | vector<float> sp = getFSCalibratedSpectra( ssig, sref, asky, ahot, acold, i ) ;
|
---|
| 4058 | ssig->setSpectrum( sp, i ) ;
|
---|
[1634] | 4059 | string reftime = ssig->getTime( i ) ;
|
---|
| 4060 | vector<int> ii( 1, ssig->getIF( i ) ) ;
|
---|
| 4061 | vector<int> ib( 1, ssig->getBeam( i ) ) ;
|
---|
| 4062 | vector<int> ip( 1, ssig->getPol( i ) ) ;
|
---|
| 4063 | sel.setIFs( ii ) ;
|
---|
| 4064 | sel.setBeams( ib ) ;
|
---|
| 4065 | sel.setPolarizations( ip ) ;
|
---|
| 4066 | asky->setSelection( sel ) ;
|
---|
| 4067 | vector<float> sptsys = getTsysFromTime( reftime, asky, "linear" ) ;
|
---|
| 4068 | const Vector<Float> Vtsys( sptsys ) ;
|
---|
| 4069 | tsysColsig.put( i, Vtsys ) ;
|
---|
| 4070 | asky->unsetSelection() ;
|
---|
| 4071 | sel.reset() ;
|
---|
[1633] | 4072 | sp = getFSCalibratedSpectra( sref, ssig, asky, ahot, acold, i ) ;
|
---|
| 4073 | sref->setSpectrum( sp, i ) ;
|
---|
[1634] | 4074 | tsysColref.put( i, Vtsys ) ;
|
---|
[1633] | 4075 | }
|
---|
| 4076 | }
|
---|
| 4077 |
|
---|
| 4078 | // do folding if necessary
|
---|
| 4079 | Table sigtab = ssig->table() ;
|
---|
| 4080 | Table reftab = sref->table() ;
|
---|
| 4081 | ScalarColumn<uInt> sigifnoCol ;
|
---|
| 4082 | ScalarColumn<uInt> refifnoCol ;
|
---|
| 4083 | ScalarColumn<uInt> sigfidCol ;
|
---|
| 4084 | ScalarColumn<uInt> reffidCol ;
|
---|
[1673] | 4085 | Int nchan = (Int)ssig->nchan() ;
|
---|
[1633] | 4086 | sigifnoCol.attach( sigtab, "IFNO" ) ;
|
---|
| 4087 | refifnoCol.attach( reftab, "IFNO" ) ;
|
---|
| 4088 | sigfidCol.attach( sigtab, "FREQ_ID" ) ;
|
---|
| 4089 | reffidCol.attach( reftab, "FREQ_ID" ) ;
|
---|
| 4090 | Vector<uInt> sfids( sigfidCol.getColumn() ) ;
|
---|
| 4091 | Vector<uInt> rfids( reffidCol.getColumn() ) ;
|
---|
| 4092 | vector<uInt> sfids_unique ;
|
---|
| 4093 | vector<uInt> rfids_unique ;
|
---|
| 4094 | vector<uInt> sifno_unique ;
|
---|
| 4095 | vector<uInt> rifno_unique ;
|
---|
| 4096 | for ( uInt i = 0 ; i < sfids.nelements() ; i++ ) {
|
---|
| 4097 | if ( count( sfids_unique.begin(), sfids_unique.end(), sfids[i] ) == 0 ) {
|
---|
| 4098 | sfids_unique.push_back( sfids[i] ) ;
|
---|
| 4099 | sifno_unique.push_back( ssig->getIF( i ) ) ;
|
---|
| 4100 | }
|
---|
| 4101 | if ( count( rfids_unique.begin(), rfids_unique.end(), rfids[i] ) == 0 ) {
|
---|
| 4102 | rfids_unique.push_back( rfids[i] ) ;
|
---|
| 4103 | rifno_unique.push_back( sref->getIF( i ) ) ;
|
---|
| 4104 | }
|
---|
| 4105 | }
|
---|
| 4106 | double refpix_sig, refval_sig, increment_sig ;
|
---|
| 4107 | double refpix_ref, refval_ref, increment_ref ;
|
---|
| 4108 | vector< CountedPtr<Scantable> > tmp( sfids_unique.size() ) ;
|
---|
| 4109 | for ( uInt i = 0 ; i < sfids_unique.size() ; i++ ) {
|
---|
| 4110 | ssig->frequencies().getEntry( refpix_sig, refval_sig, increment_sig, sfids_unique[i] ) ;
|
---|
| 4111 | sref->frequencies().getEntry( refpix_ref, refval_ref, increment_ref, rfids_unique[i] ) ;
|
---|
| 4112 | if ( refpix_sig == refpix_ref ) {
|
---|
| 4113 | double foffset = refval_ref - refval_sig ;
|
---|
| 4114 | int choffset = static_cast<int>(foffset/increment_sig) ;
|
---|
| 4115 | double doffset = foffset / increment_sig ;
|
---|
| 4116 | if ( abs(choffset) >= nchan ) {
|
---|
| 4117 | LogIO os( LogOrigin( "STMath", "cwcalfs", WHERE ) ) ;
|
---|
| 4118 | os << "FREQ_ID=[" << sfids_unique[i] << "," << rfids_unique[i] << "]: out-band frequency switching, no folding" << LogIO::POST ;
|
---|
| 4119 | os << "Just return signal data" << LogIO::POST ;
|
---|
| 4120 | //std::vector< CountedPtr<Scantable> > tabs ;
|
---|
| 4121 | //tabs.push_back( ssig ) ;
|
---|
| 4122 | //tabs.push_back( sref ) ;
|
---|
| 4123 | //out = merge( tabs ) ;
|
---|
| 4124 | tmp[i] = ssig ;
|
---|
| 4125 | }
|
---|
| 4126 | else {
|
---|
| 4127 | STSelector sel = STSelector() ;
|
---|
| 4128 | vector<int> v( 1, sifno_unique[i] ) ;
|
---|
| 4129 | sel.setIFs( v ) ;
|
---|
| 4130 | ssig->setSelection( sel ) ;
|
---|
| 4131 | sel.reset() ;
|
---|
| 4132 | v[0] = rifno_unique[i] ;
|
---|
| 4133 | sel.setIFs( v ) ;
|
---|
| 4134 | sref->setSelection( sel ) ;
|
---|
| 4135 | sel.reset() ;
|
---|
| 4136 | if ( antname.find( "APEX" ) != string::npos ) {
|
---|
| 4137 | tmp[i] = dofold( ssig, sref, 0.5*doffset, -0.5*doffset ) ;
|
---|
| 4138 | //tmp[i] = dofold( ssig, sref, doffset ) ;
|
---|
| 4139 | }
|
---|
| 4140 | else {
|
---|
| 4141 | tmp[i] = dofold( ssig, sref, doffset ) ;
|
---|
| 4142 | }
|
---|
| 4143 | // remove additional string from SRCNAME
|
---|
| 4144 | ScalarColumn<String> srcnameCol ;
|
---|
| 4145 | srcnameCol.attach( tmp[i]->table(), "SRCNAME" ) ;
|
---|
| 4146 | Vector<String> srcnames( srcnameCol.getColumn() ) ;
|
---|
| 4147 | for ( uInt i = 0 ; i < srcnames.nelements() ; i++ ) {
|
---|
| 4148 | srcnames[i] = srcnames[i].substr( 0, srcnames[i].find( sigstr.substr(1,sigstr.size()-1) ) ) ;
|
---|
| 4149 | }
|
---|
| 4150 | srcnameCol.putColumn( srcnames ) ;
|
---|
| 4151 | ssig->unsetSelection() ;
|
---|
| 4152 | sref->unsetSelection() ;
|
---|
| 4153 | }
|
---|
| 4154 | }
|
---|
| 4155 | }
|
---|
| 4156 |
|
---|
[1634] | 4157 | if ( tmp.size() > 1 ) {
|
---|
| 4158 | out = merge( tmp ) ;
|
---|
| 4159 | }
|
---|
| 4160 | else {
|
---|
| 4161 | out = tmp[0] ;
|
---|
| 4162 | }
|
---|
[1633] | 4163 |
|
---|
[1634] | 4164 | // flux unit
|
---|
| 4165 | out->setFluxUnit( "K" ) ;
|
---|
| 4166 |
|
---|
[1633] | 4167 | return out ;
|
---|
| 4168 | }
|
---|
| 4169 |
|
---|
[1673] | 4170 | CountedPtr<Scantable> STMath::almacalfs( const CountedPtr<Scantable>& s )
|
---|
| 4171 | {
|
---|
| 4172 | CountedPtr<Scantable> out ;
|
---|
| 4173 |
|
---|
| 4174 | return out ;
|
---|
| 4175 | }
|
---|
| 4176 |
|
---|
[1633] | 4177 | vector<float> STMath::getSpectrumFromTime( string reftime,
|
---|
| 4178 | CountedPtr<Scantable>& s,
|
---|
| 4179 | string mode )
|
---|
| 4180 | {
|
---|
| 4181 | LogIO os( LogOrigin( "STMath", "getSpectrumFromTime", WHERE ) ) ;
|
---|
| 4182 | vector<float> sp ;
|
---|
| 4183 |
|
---|
| 4184 | if ( s->nrow() == 0 ) {
|
---|
| 4185 | os << LogIO::SEVERE << "No spectra in the input scantable. Return empty spectrum." << LogIO::POST ;
|
---|
| 4186 | return sp ;
|
---|
| 4187 | }
|
---|
| 4188 | else if ( s->nrow() == 1 ) {
|
---|
[1673] | 4189 | //os << "use row " << 0 << " (scanno = " << s->getScan( 0 ) << ")" << LogIO::POST ;
|
---|
[1633] | 4190 | return s->getSpectrum( 0 ) ;
|
---|
| 4191 | }
|
---|
| 4192 | else {
|
---|
| 4193 | vector<int> idx = getRowIdFromTime( reftime, s ) ;
|
---|
| 4194 | if ( mode == "before" ) {
|
---|
| 4195 | int id = -1 ;
|
---|
| 4196 | if ( idx[0] != -1 ) {
|
---|
| 4197 | id = idx[0] ;
|
---|
| 4198 | }
|
---|
| 4199 | else if ( idx[1] != -1 ) {
|
---|
| 4200 | os << LogIO::WARN << "Failed to find a scan before reftime. return a spectrum just after the reftime." << LogIO::POST ;
|
---|
| 4201 | id = idx[1] ;
|
---|
| 4202 | }
|
---|
[1673] | 4203 | //os << "use row " << id << " (scanno = " << s->getScan( id ) << ")" << LogIO::POST ;
|
---|
[1633] | 4204 | sp = s->getSpectrum( id ) ;
|
---|
| 4205 | }
|
---|
| 4206 | else if ( mode == "after" ) {
|
---|
| 4207 | int id = -1 ;
|
---|
| 4208 | if ( idx[1] != -1 ) {
|
---|
| 4209 | id = idx[1] ;
|
---|
| 4210 | }
|
---|
| 4211 | else if ( idx[0] != -1 ) {
|
---|
| 4212 | os << LogIO::WARN << "Failed to find a scan after reftime. return a spectrum just before the reftime." << LogIO::POST ;
|
---|
| 4213 | id = idx[1] ;
|
---|
| 4214 | }
|
---|
[1673] | 4215 | //os << "use row " << id << " (scanno = " << s->getScan( id ) << ")" << LogIO::POST ;
|
---|
[1633] | 4216 | sp = s->getSpectrum( id ) ;
|
---|
| 4217 | }
|
---|
| 4218 | else if ( mode == "nearest" ) {
|
---|
| 4219 | int id = -1 ;
|
---|
| 4220 | if ( idx[0] == -1 ) {
|
---|
| 4221 | id = idx[1] ;
|
---|
| 4222 | }
|
---|
| 4223 | else if ( idx[1] == -1 ) {
|
---|
| 4224 | id = idx[0] ;
|
---|
| 4225 | }
|
---|
| 4226 | else if ( idx[0] == idx[1] ) {
|
---|
| 4227 | id = idx[0] ;
|
---|
| 4228 | }
|
---|
| 4229 | else {
|
---|
| 4230 | double t0 = getMJD( s->getTime( idx[0] ) ) ;
|
---|
| 4231 | double t1 = getMJD( s->getTime( idx[1] ) ) ;
|
---|
| 4232 | double tref = getMJD( reftime ) ;
|
---|
| 4233 | if ( abs( t0 - tref ) > abs( t1 - tref ) ) {
|
---|
| 4234 | id = idx[1] ;
|
---|
| 4235 | }
|
---|
| 4236 | else {
|
---|
| 4237 | id = idx[0] ;
|
---|
| 4238 | }
|
---|
| 4239 | }
|
---|
[1673] | 4240 | //os << "use row " << id << " (scanno = " << s->getScan( id ) << ")" << LogIO::POST ;
|
---|
[1633] | 4241 | sp = s->getSpectrum( id ) ;
|
---|
| 4242 | }
|
---|
| 4243 | else if ( mode == "linear" ) {
|
---|
| 4244 | if ( idx[0] == -1 ) {
|
---|
| 4245 | // use after
|
---|
| 4246 | os << LogIO::WARN << "Failed to interpolate. return a spectrum just after the reftime." << LogIO::POST ;
|
---|
| 4247 | int id = idx[1] ;
|
---|
[1673] | 4248 | //os << "use row " << id << " (scanno = " << s->getScan( id ) << ")" << LogIO::POST ;
|
---|
[1633] | 4249 | sp = s->getSpectrum( id ) ;
|
---|
| 4250 | }
|
---|
| 4251 | else if ( idx[1] == -1 ) {
|
---|
| 4252 | // use before
|
---|
| 4253 | os << LogIO::WARN << "Failed to interpolate. return a spectrum just before the reftime." << LogIO::POST ;
|
---|
| 4254 | int id = idx[0] ;
|
---|
[1673] | 4255 | //os << "use row " << id << " (scanno = " << s->getScan( id ) << ")" << LogIO::POST ;
|
---|
[1633] | 4256 | sp = s->getSpectrum( id ) ;
|
---|
| 4257 | }
|
---|
| 4258 | else if ( idx[0] == idx[1] ) {
|
---|
| 4259 | // use before
|
---|
[1673] | 4260 | //os << "No need to interporate." << LogIO::POST ;
|
---|
[1633] | 4261 | int id = idx[0] ;
|
---|
[1673] | 4262 | //os << "use row " << id << " (scanno = " << s->getScan( id ) << ")" << LogIO::POST ;
|
---|
[1633] | 4263 | sp = s->getSpectrum( id ) ;
|
---|
| 4264 | }
|
---|
| 4265 | else {
|
---|
| 4266 | // do interpolation
|
---|
[1673] | 4267 | //os << "interpolate between " << idx[0] << " and " << idx[1] << " (scanno: " << s->getScan( idx[0] ) << ", " << s->getScan( idx[1] ) << ")" << LogIO::POST ;
|
---|
[1633] | 4268 | double t0 = getMJD( s->getTime( idx[0] ) ) ;
|
---|
| 4269 | double t1 = getMJD( s->getTime( idx[1] ) ) ;
|
---|
| 4270 | double tref = getMJD( reftime ) ;
|
---|
| 4271 | vector<float> sp0 = s->getSpectrum( idx[0] ) ;
|
---|
| 4272 | vector<float> sp1 = s->getSpectrum( idx[1] ) ;
|
---|
| 4273 | for ( unsigned int i = 0 ; i < sp0.size() ; i++ ) {
|
---|
| 4274 | float v = ( sp1[i] - sp0[i] ) / ( t1 - t0 ) * ( tref - t0 ) + sp0[i] ;
|
---|
| 4275 | sp.push_back( v ) ;
|
---|
| 4276 | }
|
---|
| 4277 | }
|
---|
| 4278 | }
|
---|
| 4279 | else {
|
---|
| 4280 | os << LogIO::SEVERE << "Unknown mode" << LogIO::POST ;
|
---|
| 4281 | }
|
---|
| 4282 | return sp ;
|
---|
| 4283 | }
|
---|
| 4284 | }
|
---|
| 4285 |
|
---|
| 4286 | double STMath::getMJD( string strtime )
|
---|
| 4287 | {
|
---|
| 4288 | if ( strtime.find("/") == string::npos ) {
|
---|
| 4289 | // MJD time string
|
---|
| 4290 | return atof( strtime.c_str() ) ;
|
---|
| 4291 | }
|
---|
| 4292 | else {
|
---|
| 4293 | // string in YYYY/MM/DD/HH:MM:SS format
|
---|
| 4294 | uInt year = atoi( strtime.substr( 0, 4 ).c_str() ) ;
|
---|
| 4295 | uInt month = atoi( strtime.substr( 5, 2 ).c_str() ) ;
|
---|
| 4296 | uInt day = atoi( strtime.substr( 8, 2 ).c_str() ) ;
|
---|
| 4297 | uInt hour = atoi( strtime.substr( 11, 2 ).c_str() ) ;
|
---|
| 4298 | uInt minute = atoi( strtime.substr( 14, 2 ).c_str() ) ;
|
---|
| 4299 | uInt sec = atoi( strtime.substr( 17, 2 ).c_str() ) ;
|
---|
| 4300 | Time t( year, month, day, hour, minute, sec ) ;
|
---|
| 4301 | return t.modifiedJulianDay() ;
|
---|
| 4302 | }
|
---|
| 4303 | }
|
---|
| 4304 |
|
---|
| 4305 | vector<int> STMath::getRowIdFromTime( string reftime, CountedPtr<Scantable> &s )
|
---|
| 4306 | {
|
---|
| 4307 | double reft = getMJD( reftime ) ;
|
---|
| 4308 | double dtmin = 1.0e100 ;
|
---|
| 4309 | double dtmax = -1.0e100 ;
|
---|
| 4310 | vector<double> dt ;
|
---|
| 4311 | int just_before = -1 ;
|
---|
| 4312 | int just_after = -1 ;
|
---|
| 4313 | for ( int i = 0 ; i < s->nrow() ; i++ ) {
|
---|
| 4314 | dt.push_back( getMJD( s->getTime( i ) ) - reft ) ;
|
---|
| 4315 | }
|
---|
| 4316 | for ( unsigned int i = 0 ; i < dt.size() ; i++ ) {
|
---|
| 4317 | if ( dt[i] > 0.0 ) {
|
---|
| 4318 | // after reftime
|
---|
| 4319 | if ( dt[i] < dtmin ) {
|
---|
| 4320 | just_after = i ;
|
---|
| 4321 | dtmin = dt[i] ;
|
---|
| 4322 | }
|
---|
| 4323 | }
|
---|
| 4324 | else if ( dt[i] < 0.0 ) {
|
---|
| 4325 | // before reftime
|
---|
| 4326 | if ( dt[i] > dtmax ) {
|
---|
| 4327 | just_before = i ;
|
---|
| 4328 | dtmax = dt[i] ;
|
---|
| 4329 | }
|
---|
| 4330 | }
|
---|
| 4331 | else {
|
---|
| 4332 | // just a reftime
|
---|
| 4333 | just_before = i ;
|
---|
| 4334 | just_after = i ;
|
---|
| 4335 | dtmax = 0 ;
|
---|
| 4336 | dtmin = 0 ;
|
---|
| 4337 | break ;
|
---|
| 4338 | }
|
---|
| 4339 | }
|
---|
| 4340 |
|
---|
| 4341 | vector<int> v ;
|
---|
| 4342 | v.push_back( just_before ) ;
|
---|
| 4343 | v.push_back( just_after ) ;
|
---|
| 4344 |
|
---|
| 4345 | return v ;
|
---|
| 4346 | }
|
---|
| 4347 |
|
---|
| 4348 | vector<float> STMath::getTcalFromTime( string reftime,
|
---|
| 4349 | CountedPtr<Scantable>& s,
|
---|
| 4350 | string mode )
|
---|
| 4351 | {
|
---|
| 4352 | LogIO os( LogOrigin( "STMath", "getTcalFromTime", WHERE ) ) ;
|
---|
| 4353 | vector<float> tcal ;
|
---|
| 4354 | STTcal tcalTable = s->tcal() ;
|
---|
| 4355 | String time ;
|
---|
| 4356 | Vector<Float> tcalval ;
|
---|
| 4357 | if ( s->nrow() == 0 ) {
|
---|
| 4358 | os << LogIO::SEVERE << "No row in the input scantable. Return empty tcal." << LogIO::POST ;
|
---|
| 4359 | return tcal ;
|
---|
| 4360 | }
|
---|
| 4361 | else if ( s->nrow() == 1 ) {
|
---|
| 4362 | uInt tcalid = s->getTcalId( 0 ) ;
|
---|
[1673] | 4363 | //os << "use row " << 0 << " (tcalid = " << tcalid << ")" << LogIO::POST ;
|
---|
[1633] | 4364 | tcalTable.getEntry( time, tcalval, tcalid ) ;
|
---|
| 4365 | tcalval.tovector( tcal ) ;
|
---|
| 4366 | return tcal ;
|
---|
| 4367 | }
|
---|
| 4368 | else {
|
---|
| 4369 | vector<int> idx = getRowIdFromTime( reftime, s ) ;
|
---|
| 4370 | if ( mode == "before" ) {
|
---|
| 4371 | int id = -1 ;
|
---|
| 4372 | if ( idx[0] != -1 ) {
|
---|
| 4373 | id = idx[0] ;
|
---|
| 4374 | }
|
---|
| 4375 | else if ( idx[1] != -1 ) {
|
---|
| 4376 | os << LogIO::WARN << "Failed to find a scan before reftime. return a spectrum just after the reftime." << LogIO::POST ;
|
---|
| 4377 | id = idx[1] ;
|
---|
| 4378 | }
|
---|
| 4379 | uInt tcalid = s->getTcalId( id ) ;
|
---|
[1673] | 4380 | //os << "use row " << id << " (tcalid = " << tcalid << ")" << LogIO::POST ;
|
---|
[1633] | 4381 | tcalTable.getEntry( time, tcalval, tcalid ) ;
|
---|
| 4382 | tcalval.tovector( tcal ) ;
|
---|
| 4383 | }
|
---|
| 4384 | else if ( mode == "after" ) {
|
---|
| 4385 | int id = -1 ;
|
---|
| 4386 | if ( idx[1] != -1 ) {
|
---|
| 4387 | id = idx[1] ;
|
---|
| 4388 | }
|
---|
| 4389 | else if ( idx[0] != -1 ) {
|
---|
| 4390 | os << LogIO::WARN << "Failed to find a scan after reftime. return a spectrum just before the reftime." << LogIO::POST ;
|
---|
| 4391 | id = idx[1] ;
|
---|
| 4392 | }
|
---|
| 4393 | uInt tcalid = s->getTcalId( id ) ;
|
---|
[1673] | 4394 | //os << "use row " << id << " (tcalid = " << tcalid << ")" << LogIO::POST ;
|
---|
[1633] | 4395 | tcalTable.getEntry( time, tcalval, tcalid ) ;
|
---|
| 4396 | tcalval.tovector( tcal ) ;
|
---|
| 4397 | }
|
---|
| 4398 | else if ( mode == "nearest" ) {
|
---|
| 4399 | int id = -1 ;
|
---|
| 4400 | if ( idx[0] == -1 ) {
|
---|
| 4401 | id = idx[1] ;
|
---|
| 4402 | }
|
---|
| 4403 | else if ( idx[1] == -1 ) {
|
---|
| 4404 | id = idx[0] ;
|
---|
| 4405 | }
|
---|
| 4406 | else if ( idx[0] == idx[1] ) {
|
---|
| 4407 | id = idx[0] ;
|
---|
| 4408 | }
|
---|
| 4409 | else {
|
---|
| 4410 | double t0 = getMJD( s->getTime( idx[0] ) ) ;
|
---|
| 4411 | double t1 = getMJD( s->getTime( idx[1] ) ) ;
|
---|
| 4412 | double tref = getMJD( reftime ) ;
|
---|
| 4413 | if ( abs( t0 - tref ) > abs( t1 - tref ) ) {
|
---|
| 4414 | id = idx[1] ;
|
---|
| 4415 | }
|
---|
| 4416 | else {
|
---|
| 4417 | id = idx[0] ;
|
---|
| 4418 | }
|
---|
| 4419 | }
|
---|
| 4420 | uInt tcalid = s->getTcalId( id ) ;
|
---|
[1673] | 4421 | //os << "use row " << id << " (tcalid = " << tcalid << ")" << LogIO::POST ;
|
---|
[1633] | 4422 | tcalTable.getEntry( time, tcalval, tcalid ) ;
|
---|
| 4423 | tcalval.tovector( tcal ) ;
|
---|
| 4424 | }
|
---|
| 4425 | else if ( mode == "linear" ) {
|
---|
| 4426 | if ( idx[0] == -1 ) {
|
---|
| 4427 | // use after
|
---|
| 4428 | os << LogIO::WARN << "Failed to interpolate. return a spectrum just after the reftime." << LogIO::POST ;
|
---|
| 4429 | int id = idx[1] ;
|
---|
| 4430 | uInt tcalid = s->getTcalId( id ) ;
|
---|
[1673] | 4431 | //os << "use row " << id << " (tcalid = " << tcalid << ")" << LogIO::POST ;
|
---|
[1633] | 4432 | tcalTable.getEntry( time, tcalval, tcalid ) ;
|
---|
| 4433 | tcalval.tovector( tcal ) ;
|
---|
| 4434 | }
|
---|
| 4435 | else if ( idx[1] == -1 ) {
|
---|
| 4436 | // use before
|
---|
| 4437 | os << LogIO::WARN << "Failed to interpolate. return a spectrum just before the reftime." << LogIO::POST ;
|
---|
| 4438 | int id = idx[0] ;
|
---|
| 4439 | uInt tcalid = s->getTcalId( id ) ;
|
---|
[1673] | 4440 | //os << "use row " << id << " (tcalid = " << tcalid << ")" << LogIO::POST ;
|
---|
[1633] | 4441 | tcalTable.getEntry( time, tcalval, tcalid ) ;
|
---|
| 4442 | tcalval.tovector( tcal ) ;
|
---|
| 4443 | }
|
---|
| 4444 | else if ( idx[0] == idx[1] ) {
|
---|
| 4445 | // use before
|
---|
[1673] | 4446 | //os << "No need to interporate." << LogIO::POST ;
|
---|
[1633] | 4447 | int id = idx[0] ;
|
---|
| 4448 | uInt tcalid = s->getTcalId( id ) ;
|
---|
[1673] | 4449 | //os << "use row " << id << " (tcalid = " << tcalid << ")" << LogIO::POST ;
|
---|
[1633] | 4450 | tcalTable.getEntry( time, tcalval, tcalid ) ;
|
---|
| 4451 | tcalval.tovector( tcal ) ;
|
---|
| 4452 | }
|
---|
| 4453 | else {
|
---|
| 4454 | // do interpolation
|
---|
[1673] | 4455 | //os << "interpolate between " << idx[0] << " and " << idx[1] << " (scanno: " << s->getScan( idx[0] ) << ", " << s->getScan( idx[1] ) << ")" << LogIO::POST ;
|
---|
[1633] | 4456 | double t0 = getMJD( s->getTime( idx[0] ) ) ;
|
---|
| 4457 | double t1 = getMJD( s->getTime( idx[1] ) ) ;
|
---|
| 4458 | double tref = getMJD( reftime ) ;
|
---|
| 4459 | vector<float> tcal0 ;
|
---|
| 4460 | vector<float> tcal1 ;
|
---|
| 4461 | uInt tcalid0 = s->getTcalId( idx[0] ) ;
|
---|
| 4462 | uInt tcalid1 = s->getTcalId( idx[1] ) ;
|
---|
| 4463 | tcalTable.getEntry( time, tcalval, tcalid0 ) ;
|
---|
| 4464 | tcalval.tovector( tcal0 ) ;
|
---|
| 4465 | tcalTable.getEntry( time, tcalval, tcalid1 ) ;
|
---|
| 4466 | tcalval.tovector( tcal1 ) ;
|
---|
| 4467 | for ( unsigned int i = 0 ; i < tcal0.size() ; i++ ) {
|
---|
| 4468 | float v = ( tcal1[i] - tcal0[i] ) / ( t1 - t0 ) * ( tref - t0 ) + tcal0[i] ;
|
---|
| 4469 | tcal.push_back( v ) ;
|
---|
| 4470 | }
|
---|
| 4471 | }
|
---|
| 4472 | }
|
---|
| 4473 | else {
|
---|
| 4474 | os << LogIO::SEVERE << "Unknown mode" << LogIO::POST ;
|
---|
| 4475 | }
|
---|
| 4476 | return tcal ;
|
---|
| 4477 | }
|
---|
| 4478 | }
|
---|
| 4479 |
|
---|
[1634] | 4480 | vector<float> STMath::getTsysFromTime( string reftime,
|
---|
| 4481 | CountedPtr<Scantable>& s,
|
---|
| 4482 | string mode )
|
---|
| 4483 | {
|
---|
| 4484 | LogIO os( LogOrigin( "STMath", "getTsysFromTime", WHERE ) ) ;
|
---|
| 4485 | ArrayColumn<Float> tsysCol ;
|
---|
| 4486 | tsysCol.attach( s->table(), "TSYS" ) ;
|
---|
| 4487 | vector<float> tsys ;
|
---|
| 4488 | String time ;
|
---|
| 4489 | Vector<Float> tsysval ;
|
---|
| 4490 | if ( s->nrow() == 0 ) {
|
---|
| 4491 | os << LogIO::SEVERE << "No row in the input scantable. Return empty tsys." << LogIO::POST ;
|
---|
| 4492 | return tsys ;
|
---|
| 4493 | }
|
---|
| 4494 | else if ( s->nrow() == 1 ) {
|
---|
[1673] | 4495 | //os << "use row " << 0 << LogIO::POST ;
|
---|
[1634] | 4496 | tsysval = tsysCol( 0 ) ;
|
---|
| 4497 | tsysval.tovector( tsys ) ;
|
---|
| 4498 | return tsys ;
|
---|
| 4499 | }
|
---|
| 4500 | else {
|
---|
| 4501 | vector<int> idx = getRowIdFromTime( reftime, s ) ;
|
---|
| 4502 | if ( mode == "before" ) {
|
---|
| 4503 | int id = -1 ;
|
---|
| 4504 | if ( idx[0] != -1 ) {
|
---|
| 4505 | id = idx[0] ;
|
---|
| 4506 | }
|
---|
| 4507 | else if ( idx[1] != -1 ) {
|
---|
| 4508 | os << LogIO::WARN << "Failed to find a scan before reftime. return a spectrum just after the reftime." << LogIO::POST ;
|
---|
| 4509 | id = idx[1] ;
|
---|
| 4510 | }
|
---|
[1673] | 4511 | //os << "use row " << id << LogIO::POST ;
|
---|
[1634] | 4512 | tsysval = tsysCol( id ) ;
|
---|
| 4513 | tsysval.tovector( tsys ) ;
|
---|
| 4514 | }
|
---|
| 4515 | else if ( mode == "after" ) {
|
---|
| 4516 | int id = -1 ;
|
---|
| 4517 | if ( idx[1] != -1 ) {
|
---|
| 4518 | id = idx[1] ;
|
---|
| 4519 | }
|
---|
| 4520 | else if ( idx[0] != -1 ) {
|
---|
| 4521 | os << LogIO::WARN << "Failed to find a scan after reftime. return a spectrum just before the reftime." << LogIO::POST ;
|
---|
| 4522 | id = idx[1] ;
|
---|
| 4523 | }
|
---|
[1673] | 4524 | //os << "use row " << id << LogIO::POST ;
|
---|
[1634] | 4525 | tsysval = tsysCol( id ) ;
|
---|
| 4526 | tsysval.tovector( tsys ) ;
|
---|
| 4527 | }
|
---|
| 4528 | else if ( mode == "nearest" ) {
|
---|
| 4529 | int id = -1 ;
|
---|
| 4530 | if ( idx[0] == -1 ) {
|
---|
| 4531 | id = idx[1] ;
|
---|
| 4532 | }
|
---|
| 4533 | else if ( idx[1] == -1 ) {
|
---|
| 4534 | id = idx[0] ;
|
---|
| 4535 | }
|
---|
| 4536 | else if ( idx[0] == idx[1] ) {
|
---|
| 4537 | id = idx[0] ;
|
---|
| 4538 | }
|
---|
| 4539 | else {
|
---|
| 4540 | double t0 = getMJD( s->getTime( idx[0] ) ) ;
|
---|
| 4541 | double t1 = getMJD( s->getTime( idx[1] ) ) ;
|
---|
| 4542 | double tref = getMJD( reftime ) ;
|
---|
| 4543 | if ( abs( t0 - tref ) > abs( t1 - tref ) ) {
|
---|
| 4544 | id = idx[1] ;
|
---|
| 4545 | }
|
---|
| 4546 | else {
|
---|
| 4547 | id = idx[0] ;
|
---|
| 4548 | }
|
---|
| 4549 | }
|
---|
[1673] | 4550 | //os << "use row " << id << LogIO::POST ;
|
---|
[1634] | 4551 | tsysval = tsysCol( id ) ;
|
---|
| 4552 | tsysval.tovector( tsys ) ;
|
---|
| 4553 | }
|
---|
| 4554 | else if ( mode == "linear" ) {
|
---|
| 4555 | if ( idx[0] == -1 ) {
|
---|
| 4556 | // use after
|
---|
| 4557 | os << LogIO::WARN << "Failed to interpolate. return a spectrum just after the reftime." << LogIO::POST ;
|
---|
| 4558 | int id = idx[1] ;
|
---|
[1673] | 4559 | //os << "use row " << id << LogIO::POST ;
|
---|
[1634] | 4560 | tsysval = tsysCol( id ) ;
|
---|
| 4561 | tsysval.tovector( tsys ) ;
|
---|
| 4562 | }
|
---|
| 4563 | else if ( idx[1] == -1 ) {
|
---|
| 4564 | // use before
|
---|
| 4565 | os << LogIO::WARN << "Failed to interpolate. return a spectrum just before the reftime." << LogIO::POST ;
|
---|
| 4566 | int id = idx[0] ;
|
---|
[1673] | 4567 | //os << "use row " << id << LogIO::POST ;
|
---|
[1634] | 4568 | tsysval = tsysCol( id ) ;
|
---|
| 4569 | tsysval.tovector( tsys ) ;
|
---|
| 4570 | }
|
---|
| 4571 | else if ( idx[0] == idx[1] ) {
|
---|
| 4572 | // use before
|
---|
[1673] | 4573 | //os << "No need to interporate." << LogIO::POST ;
|
---|
[1634] | 4574 | int id = idx[0] ;
|
---|
[1673] | 4575 | //os << "use row " << id << LogIO::POST ;
|
---|
[1634] | 4576 | tsysval = tsysCol( id ) ;
|
---|
| 4577 | tsysval.tovector( tsys ) ;
|
---|
| 4578 | }
|
---|
| 4579 | else {
|
---|
| 4580 | // do interpolation
|
---|
[1673] | 4581 | //os << "interpolate between " << idx[0] << " and " << idx[1] << " (scanno: " << s->getScan( idx[0] ) << ", " << s->getScan( idx[1] ) << ")" << LogIO::POST ;
|
---|
[1634] | 4582 | double t0 = getMJD( s->getTime( idx[0] ) ) ;
|
---|
| 4583 | double t1 = getMJD( s->getTime( idx[1] ) ) ;
|
---|
| 4584 | double tref = getMJD( reftime ) ;
|
---|
| 4585 | vector<float> tsys0 ;
|
---|
| 4586 | vector<float> tsys1 ;
|
---|
| 4587 | tsysval = tsysCol( idx[0] ) ;
|
---|
| 4588 | tsysval.tovector( tsys0 ) ;
|
---|
| 4589 | tsysval = tsysCol( idx[1] ) ;
|
---|
| 4590 | tsysval.tovector( tsys1 ) ;
|
---|
| 4591 | for ( unsigned int i = 0 ; i < tsys0.size() ; i++ ) {
|
---|
| 4592 | float v = ( tsys1[i] - tsys0[i] ) / ( t1 - t0 ) * ( tref - t0 ) + tsys0[i] ;
|
---|
| 4593 | tsys.push_back( v ) ;
|
---|
| 4594 | }
|
---|
| 4595 | }
|
---|
| 4596 | }
|
---|
| 4597 | else {
|
---|
| 4598 | os << LogIO::SEVERE << "Unknown mode" << LogIO::POST ;
|
---|
| 4599 | }
|
---|
| 4600 | return tsys ;
|
---|
| 4601 | }
|
---|
| 4602 | }
|
---|
| 4603 |
|
---|
[1633] | 4604 | vector<float> STMath::getCalibratedSpectra( CountedPtr<Scantable>& on,
|
---|
| 4605 | CountedPtr<Scantable>& off,
|
---|
| 4606 | CountedPtr<Scantable>& sky,
|
---|
| 4607 | CountedPtr<Scantable>& hot,
|
---|
| 4608 | CountedPtr<Scantable>& cold,
|
---|
| 4609 | int index,
|
---|
| 4610 | string antname )
|
---|
| 4611 | {
|
---|
| 4612 | string reftime = on->getTime( index ) ;
|
---|
| 4613 | vector<int> ii( 1, on->getIF( index ) ) ;
|
---|
| 4614 | vector<int> ib( 1, on->getBeam( index ) ) ;
|
---|
| 4615 | vector<int> ip( 1, on->getPol( index ) ) ;
|
---|
| 4616 | vector<int> ic( 1, on->getScan( index ) ) ;
|
---|
| 4617 | STSelector sel = STSelector() ;
|
---|
| 4618 | sel.setIFs( ii ) ;
|
---|
| 4619 | sel.setBeams( ib ) ;
|
---|
| 4620 | sel.setPolarizations( ip ) ;
|
---|
| 4621 | sky->setSelection( sel ) ;
|
---|
| 4622 | hot->setSelection( sel ) ;
|
---|
| 4623 | cold->setSelection( sel ) ;
|
---|
| 4624 | off->setSelection( sel ) ;
|
---|
| 4625 | vector<float> spsky = getSpectrumFromTime( reftime, sky, "linear" ) ;
|
---|
| 4626 | vector<float> sphot = getSpectrumFromTime( reftime, hot, "linear" ) ;
|
---|
| 4627 | vector<float> spcold = getSpectrumFromTime( reftime, cold, "linear" ) ;
|
---|
| 4628 | vector<float> spoff = getSpectrumFromTime( reftime, off, "linear" ) ;
|
---|
| 4629 | vector<float> spec = on->getSpectrum( index ) ;
|
---|
| 4630 | vector<float> tcal = getTcalFromTime( reftime, sky, "linear" ) ;
|
---|
| 4631 | vector<float> sp( tcal.size() ) ;
|
---|
| 4632 | if ( antname.find( "APEX" ) != string::npos ) {
|
---|
| 4633 | // using gain array
|
---|
| 4634 | for ( unsigned int j = 0 ; j < tcal.size() ; j++ ) {
|
---|
| 4635 | float v = ( ( spec[j] - spoff[j] ) / spoff[j] )
|
---|
| 4636 | * ( spsky[j] / ( sphot[j] - spsky[j] ) ) * tcal[j] ;
|
---|
| 4637 | sp[j] = v ;
|
---|
| 4638 | }
|
---|
| 4639 | }
|
---|
| 4640 | else if ( antname.find( "ALMA" ) != string::npos ) {
|
---|
| 4641 | // two-load calibration
|
---|
| 4642 | // from equation 5 and 12 of ALMA memo 318 (Mangum 2000)
|
---|
| 4643 | //
|
---|
| 4644 | // 2009/09/09 Takeshi Nakazato
|
---|
| 4645 | for ( unsigned int j = 0 ; j < tcal.size() ; j++ ) {
|
---|
| 4646 | //
|
---|
| 4647 | // in case that Tcal is assumed as signal gain
|
---|
| 4648 | //
|
---|
| 4649 | //float K = ( sphot[j] - spcold[j] ) / ( thot - tcold ) ;
|
---|
| 4650 | //float v = ( spec[j] - spoff[j] ) * exp( tsig ) / ( K * tcal[j] * eta ) ;
|
---|
| 4651 | //
|
---|
| 4652 | // in case that Tcal is defined as
|
---|
| 4653 | //
|
---|
| 4654 | // Tcal = ( K * Gs * eta_l * exp( - tau_s ) )^-1
|
---|
| 4655 | //
|
---|
| 4656 | float v = tcal[j] * ( spec[j] - spsky[j] ) ;
|
---|
| 4657 | sp[j] = v ;
|
---|
| 4658 | }
|
---|
| 4659 | }
|
---|
| 4660 | else {
|
---|
| 4661 | // Chopper-Wheel calibration (Ulich & Haas 1976)
|
---|
| 4662 | for ( unsigned int j = 0 ; j < tcal.size() ; j++ ) {
|
---|
| 4663 | float v = ( spec[j] - spoff[j] ) / ( sphot[j] - spsky[j] ) * tcal[j] ;
|
---|
| 4664 | sp[j] = v ;
|
---|
| 4665 | }
|
---|
| 4666 | }
|
---|
| 4667 | sel.reset() ;
|
---|
| 4668 | sky->unsetSelection() ;
|
---|
| 4669 | hot->unsetSelection() ;
|
---|
| 4670 | cold->unsetSelection() ;
|
---|
| 4671 | off->unsetSelection() ;
|
---|
| 4672 |
|
---|
| 4673 | return sp ;
|
---|
| 4674 | }
|
---|
| 4675 |
|
---|
[1673] | 4676 | vector<float> STMath::getCalibratedSpectra( CountedPtr<Scantable>& on,
|
---|
| 4677 | CountedPtr<Scantable>& off,
|
---|
| 4678 | int index )
|
---|
| 4679 | {
|
---|
| 4680 | string reftime = on->getTime( index ) ;
|
---|
| 4681 | vector<int> ii( 1, on->getIF( index ) ) ;
|
---|
| 4682 | vector<int> ib( 1, on->getBeam( index ) ) ;
|
---|
| 4683 | vector<int> ip( 1, on->getPol( index ) ) ;
|
---|
| 4684 | vector<int> ic( 1, on->getScan( index ) ) ;
|
---|
| 4685 | STSelector sel = STSelector() ;
|
---|
| 4686 | sel.setIFs( ii ) ;
|
---|
| 4687 | sel.setBeams( ib ) ;
|
---|
| 4688 | sel.setPolarizations( ip ) ;
|
---|
| 4689 | off->setSelection( sel ) ;
|
---|
| 4690 | vector<float> spoff = getSpectrumFromTime( reftime, off, "linear" ) ;
|
---|
| 4691 | vector<float> spec = on->getSpectrum( index ) ;
|
---|
| 4692 | //vector<float> tcal = getTcalFromTime( reftime, sky, "linear" ) ;
|
---|
| 4693 | //vector<float> tsys = on->getTsysVec( index ) ;
|
---|
| 4694 | ArrayColumn<Float> tsysCol( on->table(), "TSYS" ) ;
|
---|
| 4695 | Vector<Float> tsys = tsysCol( index ) ;
|
---|
| 4696 | vector<float> sp( spec.size() ) ;
|
---|
| 4697 | // ALMA Calibration
|
---|
| 4698 | //
|
---|
| 4699 | // Ta* = Tsys * ( ON - OFF ) / OFF
|
---|
| 4700 | //
|
---|
| 4701 | // 2010/01/07 Takeshi Nakazato
|
---|
| 4702 | unsigned int tsyssize = tsys.nelements() ;
|
---|
| 4703 | unsigned int spsize = sp.size() ;
|
---|
| 4704 | for ( unsigned int j = 0 ; j < sp.size() ; j++ ) {
|
---|
| 4705 | float tscale = 0.0 ;
|
---|
| 4706 | if ( tsyssize == spsize )
|
---|
| 4707 | tscale = tsys[j] ;
|
---|
| 4708 | else
|
---|
| 4709 | tscale = tsys[0] ;
|
---|
| 4710 | float v = tscale * ( spec[j] - spoff[j] ) / spoff[j] ;
|
---|
| 4711 | sp[j] = v ;
|
---|
| 4712 | }
|
---|
| 4713 | sel.reset() ;
|
---|
| 4714 | off->unsetSelection() ;
|
---|
| 4715 |
|
---|
| 4716 | return sp ;
|
---|
| 4717 | }
|
---|
| 4718 |
|
---|
[1633] | 4719 | vector<float> STMath::getFSCalibratedSpectra( CountedPtr<Scantable>& sig,
|
---|
| 4720 | CountedPtr<Scantable>& ref,
|
---|
| 4721 | CountedPtr<Scantable>& sky,
|
---|
| 4722 | CountedPtr<Scantable>& hot,
|
---|
| 4723 | CountedPtr<Scantable>& cold,
|
---|
| 4724 | int index )
|
---|
| 4725 | {
|
---|
| 4726 | string reftime = sig->getTime( index ) ;
|
---|
| 4727 | vector<int> ii( 1, sig->getIF( index ) ) ;
|
---|
| 4728 | vector<int> ib( 1, sig->getBeam( index ) ) ;
|
---|
| 4729 | vector<int> ip( 1, sig->getPol( index ) ) ;
|
---|
| 4730 | vector<int> ic( 1, sig->getScan( index ) ) ;
|
---|
| 4731 | STSelector sel = STSelector() ;
|
---|
| 4732 | sel.setIFs( ii ) ;
|
---|
| 4733 | sel.setBeams( ib ) ;
|
---|
| 4734 | sel.setPolarizations( ip ) ;
|
---|
| 4735 | sky->setSelection( sel ) ;
|
---|
| 4736 | hot->setSelection( sel ) ;
|
---|
| 4737 | cold->setSelection( sel ) ;
|
---|
| 4738 | vector<float> spsky = getSpectrumFromTime( reftime, sky, "linear" ) ;
|
---|
| 4739 | vector<float> sphot = getSpectrumFromTime( reftime, hot, "linear" ) ;
|
---|
| 4740 | vector<float> spcold = getSpectrumFromTime( reftime, cold, "linear" ) ;
|
---|
| 4741 | vector<float> spref = ref->getSpectrum( index ) ;
|
---|
| 4742 | vector<float> spsig = sig->getSpectrum( index ) ;
|
---|
| 4743 | vector<float> tcal = getTcalFromTime( reftime, sky, "linear" ) ;
|
---|
| 4744 | vector<float> sp( tcal.size() ) ;
|
---|
| 4745 | for ( unsigned int j = 0 ; j < tcal.size() ; j++ ) {
|
---|
| 4746 | float v = tcal[j] * spsky[j] / ( sphot[j] - spsky[j] ) * ( spsig[j] - spref[j] ) / spref[j] ;
|
---|
| 4747 | sp[j] = v ;
|
---|
| 4748 | }
|
---|
| 4749 | sel.reset() ;
|
---|
| 4750 | sky->unsetSelection() ;
|
---|
| 4751 | hot->unsetSelection() ;
|
---|
| 4752 | cold->unsetSelection() ;
|
---|
| 4753 |
|
---|
| 4754 | return sp ;
|
---|
| 4755 | }
|
---|
| 4756 |
|
---|
| 4757 | vector<float> STMath::getFSCalibratedSpectra( CountedPtr<Scantable>& sig,
|
---|
| 4758 | CountedPtr<Scantable>& ref,
|
---|
| 4759 | vector< CountedPtr<Scantable> >& sky,
|
---|
| 4760 | vector< CountedPtr<Scantable> >& hot,
|
---|
| 4761 | vector< CountedPtr<Scantable> >& cold,
|
---|
| 4762 | int index )
|
---|
| 4763 | {
|
---|
| 4764 | string reftime = sig->getTime( index ) ;
|
---|
| 4765 | vector<int> ii( 1, sig->getIF( index ) ) ;
|
---|
| 4766 | vector<int> ib( 1, sig->getBeam( index ) ) ;
|
---|
| 4767 | vector<int> ip( 1, sig->getPol( index ) ) ;
|
---|
| 4768 | vector<int> ic( 1, sig->getScan( index ) ) ;
|
---|
| 4769 | STSelector sel = STSelector() ;
|
---|
| 4770 | sel.setIFs( ii ) ;
|
---|
| 4771 | sel.setBeams( ib ) ;
|
---|
| 4772 | sel.setPolarizations( ip ) ;
|
---|
| 4773 | sky[0]->setSelection( sel ) ;
|
---|
| 4774 | hot[0]->setSelection( sel ) ;
|
---|
| 4775 | cold[0]->setSelection( sel ) ;
|
---|
| 4776 | vector<float> spskys = getSpectrumFromTime( reftime, sky[0], "linear" ) ;
|
---|
| 4777 | vector<float> sphots = getSpectrumFromTime( reftime, hot[0], "linear" ) ;
|
---|
| 4778 | vector<float> spcolds = getSpectrumFromTime( reftime, cold[0], "linear" ) ;
|
---|
| 4779 | vector<float> tcals = getTcalFromTime( reftime, sky[0], "linear" ) ;
|
---|
| 4780 | sel.reset() ;
|
---|
| 4781 | ii[0] = ref->getIF( index ) ;
|
---|
| 4782 | sel.setIFs( ii ) ;
|
---|
| 4783 | sel.setBeams( ib ) ;
|
---|
| 4784 | sel.setPolarizations( ip ) ;
|
---|
| 4785 | sky[1]->setSelection( sel ) ;
|
---|
| 4786 | hot[1]->setSelection( sel ) ;
|
---|
| 4787 | cold[1]->setSelection( sel ) ;
|
---|
| 4788 | vector<float> spskyr = getSpectrumFromTime( reftime, sky[1], "linear" ) ;
|
---|
| 4789 | vector<float> sphotr = getSpectrumFromTime( reftime, hot[1], "linear" ) ;
|
---|
| 4790 | vector<float> spcoldr = getSpectrumFromTime( reftime, cold[1], "linear" ) ;
|
---|
| 4791 | vector<float> tcalr = getTcalFromTime( reftime, sky[1], "linear" ) ;
|
---|
| 4792 | vector<float> spref = ref->getSpectrum( index ) ;
|
---|
| 4793 | vector<float> spsig = sig->getSpectrum( index ) ;
|
---|
| 4794 | vector<float> sp( tcals.size() ) ;
|
---|
| 4795 | for ( unsigned int j = 0 ; j < tcals.size() ; j++ ) {
|
---|
| 4796 | float v = tcals[j] * spsig[j] / ( sphots[j] - spskys[j] ) - tcalr[j] * spref[j] / ( sphotr[j] - spskyr[j] ) ;
|
---|
| 4797 | sp[j] = v ;
|
---|
| 4798 | }
|
---|
| 4799 | sel.reset() ;
|
---|
| 4800 | sky[0]->unsetSelection() ;
|
---|
| 4801 | hot[0]->unsetSelection() ;
|
---|
| 4802 | cold[0]->unsetSelection() ;
|
---|
| 4803 | sky[1]->unsetSelection() ;
|
---|
| 4804 | hot[1]->unsetSelection() ;
|
---|
| 4805 | cold[1]->unsetSelection() ;
|
---|
| 4806 |
|
---|
| 4807 | return sp ;
|
---|
| 4808 | }
|
---|