[2356] | 1 | #include <iostream>
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| 2 | #include <fstream>
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| 3 |
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| 4 | #include <casa/BasicSL/String.h>
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| 5 | #include <casa/Arrays/Vector.h>
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| 6 | #include <casa/Arrays/Matrix.h>
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| 7 | #include <casa/Arrays/Cube.h>
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| 8 | #include <casa/Arrays/ArrayMath.h>
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[2375] | 9 | #include <casa/Arrays/ArrayIter.h>
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[2356] | 10 | #include <casa/Quanta/Quantum.h>
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| 11 | #include <casa/Quanta/QuantumHolder.h>
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| 12 | #include <casa/Utilities/CountedPtr.h>
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[2361] | 13 | #include <casa/Logging/LogIO.h>
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[2356] | 14 |
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| 15 | #include <tables/Tables/Table.h>
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[2360] | 16 | #include <tables/Tables/TableRecord.h>
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| 17 | #include <tables/Tables/ExprNode.h>
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[2356] | 18 | #include <tables/Tables/ScalarColumn.h>
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| 19 | #include <tables/Tables/ArrayColumn.h>
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[2379] | 20 | #include <tables/Tables/TableIter.h>
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[2356] | 21 |
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| 22 | #include <measures/Measures/MDirection.h>
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| 23 |
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[2364] | 24 | #include <MathUtils.h>
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| 25 |
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[2356] | 26 | #include "STGrid.h"
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| 27 |
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| 28 | using namespace std ;
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[2393] | 29 | using namespace concurrent ;
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[2356] | 30 | using namespace casa ;
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| 31 | using namespace asap ;
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| 32 |
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| 33 | namespace asap {
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| 34 |
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[2384] | 35 | // for performance check
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| 36 | double eToInt = 0.0 ;
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| 37 | double eGetWeight = 0.0 ;
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| 38 |
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[2356] | 39 | // constructor
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| 40 | STGrid::STGrid()
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[2393] | 41 | : vshape_( 1 ), wshape_( 2 ), dshape_( 2 )
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[2356] | 42 | {
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| 43 | init() ;
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| 44 | }
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| 45 |
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| 46 | STGrid::STGrid( const string infile )
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[2393] | 47 | : vshape_( 1 ), wshape_( 2 ), dshape_( 2 )
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[2356] | 48 | {
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| 49 | init() ;
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| 50 |
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| 51 | setFileIn( infile ) ;
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| 52 | }
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| 53 |
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[2390] | 54 | STGrid::STGrid( const vector<string> infile )
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| 55 | {
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| 56 | init() ;
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| 57 |
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| 58 | setFileList( infile ) ;
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| 59 | }
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| 60 |
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[2356] | 61 | void STGrid::init()
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| 62 | {
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[2362] | 63 | ifno_ = -1 ;
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[2356] | 64 | nx_ = -1 ;
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| 65 | ny_ = -1 ;
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[2361] | 66 | npol_ = 0 ;
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| 67 | nchan_ = 0 ;
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| 68 | nrow_ = 0 ;
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[2356] | 69 | cellx_ = 0.0 ;
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| 70 | celly_ = 0.0 ;
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| 71 | center_ = Vector<Double> ( 2, 0.0 ) ;
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| 72 | convType_ = "BOX" ;
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[2361] | 73 | wtype_ = "UNIFORM" ;
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[2356] | 74 | convSupport_ = -1 ;
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| 75 | userSupport_ = -1 ;
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| 76 | convSampling_ = 100 ;
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[2379] | 77 | nprocessed_ = 0 ;
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| 78 | nchunk_ = 0 ;
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[2388] | 79 |
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| 80 | // initialize user input
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| 81 | nxUI_ = -1 ;
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| 82 | nyUI_ = -1 ;
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| 83 | cellxUI_ = "" ;
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| 84 | cellyUI_ = "" ;
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| 85 | centerUI_ = "" ;
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[2356] | 86 | }
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| 87 |
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| 88 | void STGrid::setFileIn( const string infile )
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| 89 | {
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[2393] | 90 | nfile_ = 1 ;
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[2356] | 91 | String name( infile ) ;
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[2393] | 92 | infileList_.resize( nfile_ ) ;
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| 93 | infileList_[0] = String(infile) ;
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[2356] | 94 | }
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| 95 |
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[2390] | 96 | void STGrid::setFileList( const vector<string> infile )
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| 97 | {
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| 98 | nfile_ = infile.size() ;
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| 99 | infileList_.resize( nfile_ ) ;
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| 100 | for ( uInt i = 0 ; i < nfile_ ; i++ ) {
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| 101 | infileList_[i] = infile[i] ;
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| 102 | }
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| 103 | }
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| 104 |
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[2360] | 105 | void STGrid::setPolList( vector<unsigned int> pols )
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| 106 | {
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| 107 | pollist_.assign( Vector<uInt>( pols ) ) ;
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| 108 | }
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| 109 |
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[2364] | 110 | void STGrid::setScanList( vector<unsigned int> scans )
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| 111 | {
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| 112 | scanlist_.assign( Vector<uInt>( scans ) ) ;
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| 113 | }
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| 114 |
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[2361] | 115 | void STGrid::setWeight( const string wType )
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| 116 | {
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| 117 | wtype_ = String( wType ) ;
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| 118 | wtype_.upcase() ;
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| 119 | }
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| 120 |
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[2356] | 121 | void STGrid::defineImage( int nx,
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| 122 | int ny,
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| 123 | string scellx,
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| 124 | string scelly,
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| 125 | string scenter )
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| 126 | {
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[2388] | 127 | nxUI_ = (Int)nx ;
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| 128 | nyUI_ = (Int)ny ;
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| 129 | cellxUI_ = String( scellx ) ;
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| 130 | cellyUI_ = String( scelly ) ;
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| 131 | centerUI_ = String( scenter ) ;
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[2356] | 132 | }
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| 133 |
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[2364] | 134 | void STGrid::setFunc( string convType,
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| 135 | int convSupport )
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[2356] | 136 | {
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| 137 | convType_ = String( convType ) ;
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| 138 | convType_.upcase() ;
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| 139 | userSupport_ = (Int)convSupport ;
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| 140 | }
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| 141 |
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| 142 | #define NEED_UNDERSCORES
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| 143 | #if defined(NEED_UNDERSCORES)
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| 144 | #define ggridsd ggridsd_
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| 145 | #endif
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| 146 | extern "C" {
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| 147 | void ggridsd(Double*,
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| 148 | const Complex*,
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| 149 | Int*,
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| 150 | Int*,
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| 151 | Int*,
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| 152 | const Int*,
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| 153 | const Int*,
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| 154 | const Float*,
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| 155 | Int*,
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| 156 | Int*,
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| 157 | Complex*,
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| 158 | Float*,
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| 159 | Int*,
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| 160 | Int*,
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| 161 | Int *,
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| 162 | Int *,
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| 163 | Int*,
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| 164 | Int*,
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| 165 | Float*,
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| 166 | Int*,
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| 167 | Int*,
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| 168 | Double*);
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| 169 | }
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[2384] | 170 | void STGrid::call_ggridsd( Array<Double> &xypos,
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| 171 | Array<Complex> &spectra,
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| 172 | Int &nvispol,
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| 173 | Int &nvischan,
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| 174 | Array<Int> &flagtra,
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| 175 | Array<Int> &flagrow,
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| 176 | Array<Float> &weight,
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| 177 | Int &nrow,
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| 178 | Int &irow,
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| 179 | Array<Complex> &gdata,
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| 180 | Array<Float> &gwgt,
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| 181 | Int &nx,
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| 182 | Int &ny,
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| 183 | Int &npol,
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| 184 | Int &nchan,
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| 185 | Int &support,
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| 186 | Int &sampling,
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| 187 | Vector<Float> &convFunc,
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[2381] | 188 | Int *chanMap,
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| 189 | Int *polMap )
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| 190 | {
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| 191 | // parameters for gridding
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| 192 | Int idopsf = 0 ;
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[2384] | 193 | Int len = npol*nchan ;
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[2381] | 194 | Double *sumw_p = new Double[len] ;
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| 195 | {
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| 196 | Double *work_p = sumw_p ;
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| 197 | for ( Int i = 0 ; i < len ; i++ ) {
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| 198 | *work_p = 0.0 ;
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| 199 | work_p++ ;
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| 200 | }
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| 201 | }
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| 202 |
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[2384] | 203 | // prepare pointer
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| 204 | Bool deletePos, deleteData, deleteWgt, deleteFlag, deleteFlagR, deleteConv, deleteDataG, deleteWgtG ;
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| 205 | Double *xy_p = xypos.getStorage( deletePos ) ;
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| 206 | const Complex *values_p = spectra.getStorage( deleteData ) ;
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| 207 | const Int *flag_p = flagtra.getStorage( deleteFlag ) ;
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| 208 | const Int *rflag_p = flagrow.getStorage( deleteFlagR ) ;
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| 209 | const Float *wgt_p = weight.getStorage( deleteWgt ) ;
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| 210 | Complex *grid_p = gdata.getStorage( deleteDataG ) ;
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| 211 | Float *wgrid_p = gwgt.getStorage( deleteWgtG ) ;
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| 212 | Float *conv_p = convFunc.getStorage( deleteConv ) ;
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[2385] | 213 |
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| 214 | // pass copy of irow to ggridsd since it will be modified in theroutine
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| 215 | Int irowCopy = irow ;
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[2384] | 216 |
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[2381] | 217 | // call ggridsd
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[2384] | 218 | ggridsd( xy_p,
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| 219 | values_p,
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| 220 | &nvispol,
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| 221 | &nvischan,
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[2381] | 222 | &idopsf,
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[2384] | 223 | flag_p,
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| 224 | rflag_p,
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| 225 | wgt_p,
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| 226 | &nrow,
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[2385] | 227 | &irowCopy,
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[2384] | 228 | grid_p,
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| 229 | wgrid_p,
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| 230 | &nx,
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| 231 | &ny,
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| 232 | &npol,
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| 233 | &nchan,
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| 234 | &support,
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| 235 | &sampling,
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| 236 | conv_p,
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[2381] | 237 | chanMap,
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| 238 | polMap,
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| 239 | sumw_p ) ;
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| 240 |
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| 241 | // finalization
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[2384] | 242 | xypos.putStorage( xy_p, deletePos ) ;
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| 243 | spectra.freeStorage( values_p, deleteData ) ;
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| 244 | flagtra.freeStorage( flag_p, deleteFlag ) ;
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| 245 | flagrow.freeStorage( rflag_p, deleteFlagR ) ;
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| 246 | weight.freeStorage( wgt_p, deleteWgt ) ;
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| 247 | gdata.putStorage( grid_p, deleteDataG ) ;
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| 248 | gwgt.putStorage( wgrid_p, deleteWgtG ) ;
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| 249 | convFunc.putStorage( conv_p, deleteConv ) ;
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[2381] | 250 | delete sumw_p ;
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| 251 | }
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| 252 |
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[2383] | 253 |
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| 254 | void STGrid::grid()
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| 255 | {
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[2384] | 256 | LogIO os( LogOrigin("STGrid", "grid", WHERE) ) ;
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[2385] | 257 | double t0,t1 ;
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[2384] | 258 |
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[2383] | 259 | // data selection
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[2385] | 260 | t0 = mathutil::gettimeofday_sec() ;
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[2383] | 261 | selectData() ;
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[2385] | 262 | t1 = mathutil::gettimeofday_sec() ;
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| 263 | os << "selectData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
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| 264 |
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[2388] | 265 | setupGrid() ;
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[2383] | 266 | setupArray() ;
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| 267 |
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| 268 | if ( wtype_.compare("UNIFORM") != 0 &&
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| 269 | wtype_.compare("TINT") != 0 &&
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| 270 | wtype_.compare("TSYS") != 0 &&
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| 271 | wtype_.compare("TINTSYS") != 0 ) {
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| 272 | LogIO os( LogOrigin("STGrid", "grid", WHERE) ) ;
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| 273 | os << LogIO::WARN << "Unsupported weight type '" << wtype_ << "', apply UNIFORM weight" << LogIO::POST ;
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| 274 | wtype_ = "UNIFORM" ;
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| 275 | }
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| 276 |
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[2384] | 277 | // grid parameter
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| 278 | os << LogIO::DEBUGGING ;
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| 279 | os << "----------" << endl ;
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| 280 | os << "Data selection summary" << endl ;
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| 281 | os << " ifno = " << ifno_ << endl ;
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| 282 | os << " pollist = " << pollist_ << endl ;
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| 283 | os << " scanlist = " << scanlist_ << endl ;
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| 284 | os << "----------" << endl ;
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| 285 | os << "Grid parameter summary" << endl ;
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| 286 | os << " (nx,ny) = (" << nx_ << "," << ny_ << ")" << endl ;
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| 287 | os << " (cellx,celly) = (" << cellx_ << "," << celly_ << ")" << endl ;
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| 288 | os << " center = " << center_ << endl ;
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| 289 | os << " weighting = " << wtype_ << endl ;
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[2386] | 290 | os << " convfunc = " << convType_ << " with support " << convSupport_ << endl ;
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[2384] | 291 | os << "----------" << LogIO::POST ;
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| 292 | os << LogIO::NORMAL ;
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| 293 |
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[2383] | 294 | Bool doAll = examine() ;
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| 295 |
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| 296 | if ( doAll )
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| 297 | gridPerPol() ;
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| 298 | else
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| 299 | gridPerRow() ;
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| 300 | }
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| 301 |
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| 302 | Bool STGrid::examine()
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| 303 | {
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| 304 | // TODO: nchunk_ must be determined from nchan_, npol_, and (nx_,ny_)
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| 305 | // by considering data size to be allocated for ggridsd input/output
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[2385] | 306 | nchunk_ = 400 ;
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[2383] | 307 | Bool b = nchunk_ >= nrow_ ;
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| 308 | nchunk_ = min( nchunk_, nrow_ ) ;
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[2393] | 309 | vshape_ = IPosition( 1, nchunk_ ) ;
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| 310 | wshape_ = IPosition( 2, nchan_, nchunk_ ) ;
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| 311 | dshape_ = IPosition( 2, 2, nchunk_ ) ;
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[2383] | 312 | return b ;
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| 313 | }
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| 314 |
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[2393] | 315 | struct STGChunk {
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| 316 | Int nrow ;
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| 317 | Array<Complex> spectra;
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| 318 | Array<Int> flagtra;
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| 319 | Array<Int> rflag;
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| 320 | Array<Float> weight;
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| 321 | Array<Double> direction;
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| 322 | STGChunk(IPosition const &wshape, IPosition const &vshape,
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| 323 | IPosition const &dshape)
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| 324 | : spectra(wshape), flagtra(wshape), rflag(vshape), weight(wshape),
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| 325 | direction(dshape)
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| 326 | { }
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| 327 | };
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| 328 |
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| 329 | struct STCommonData {
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| 330 | Int gnx;
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| 331 | Int gny;
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| 332 | Int *chanMap;
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| 333 | Vector<Float> convFunc ;
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| 334 | Array<Complex> gdataArrC;
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| 335 | Array<Float> gwgtArr;
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| 336 | STCommonData(IPosition const &gshape, Array<Float> const &data)
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| 337 | : gdataArrC(gshape, 0.0), gwgtArr(data) {}
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| 338 | };
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| 339 |
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| 340 | #define DO_AHEAD 3
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| 341 |
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| 342 | struct STContext {
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| 343 | STCommonData &common;
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| 344 | FIFO<STGChunk *, DO_AHEAD> queue;
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| 345 | STGrid *const self;
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| 346 | const Int pol;
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| 347 | STContext(STGrid *obj, STCommonData &common, Int pol)
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| 348 | : self(obj), common(common), pol(pol) {}
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| 349 | };
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| 350 |
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| 351 |
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| 352 | bool STGrid::produceChunk(void *ctx) throw(PCException)
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| 353 | {
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| 354 | STContext &context = *(STContext *)ctx;
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| 355 | if ( context.self->nprocessed_ >= context.self->nrow_ ) {
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| 356 | return false;
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| 357 | }
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| 358 | STGChunk *chunk = new STGChunk(context.self->wshape_,
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| 359 | context.self->vshape_,
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| 360 | context.self->dshape_);
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| 361 |
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| 362 | double t0 = mathutil::gettimeofday_sec() ;
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| 363 | chunk->nrow = context.self->getDataChunk(
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| 364 | context.self->wshape_, context.self->vshape_, context.self->dshape_,
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| 365 | chunk->spectra, chunk->direction,
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| 366 | chunk->flagtra, chunk->rflag, chunk->weight);
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| 367 | double t1 = mathutil::gettimeofday_sec() ;
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| 368 | context.self->eGetData_ += t1-t0 ;
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| 369 |
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| 370 | context.queue.lock();
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| 371 | context.queue.put(chunk);
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| 372 | context.queue.unlock();
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| 373 | return true;
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| 374 | }
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| 375 |
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| 376 | void STGrid::consumeChunk(void *ctx) throw(PCException)
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| 377 | {
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| 378 | STContext &context = *(STContext *)ctx;
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| 379 | STGChunk *chunk = NULL;
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| 380 | try {
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| 381 | context.queue.lock();
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| 382 | chunk = context.queue.get();
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| 383 | context.queue.unlock();
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| 384 | } catch (FullException &e) {
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| 385 | context.queue.unlock();
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| 386 | // TODO: log error
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| 387 | throw PCException();
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| 388 | }
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| 389 |
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| 390 | double t0, t1 ;
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| 391 | // world -> pixel
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| 392 | Array<Double> xypos( context.self->dshape_ ) ;
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| 393 | t0 = mathutil::gettimeofday_sec() ;
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| 394 | context.self->toPixel( chunk->direction, xypos ) ;
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| 395 | t1 = mathutil::gettimeofday_sec() ;
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| 396 | context.self->eToPixel_ += t1-t0 ;
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| 397 |
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| 398 | // call ggridsd
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| 399 | Int nvispol = 1 ;
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| 400 | Int irow = -1 ;
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| 401 | t0 = mathutil::gettimeofday_sec() ;
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| 402 | context.self->call_ggridsd( xypos,
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| 403 | chunk->spectra,
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| 404 | nvispol,
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| 405 | context.self->nchan_,
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| 406 | chunk->flagtra,
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| 407 | chunk->rflag,
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| 408 | chunk->weight,
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| 409 | chunk->nrow,
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| 410 | irow,
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| 411 | context.common.gdataArrC,
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| 412 | context.common.gwgtArr,
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| 413 | context.common.gnx,
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| 414 | context.common.gny,
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| 415 | context.self->npol_,
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| 416 | context.self->nchan_,
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| 417 | context.self->convSupport_,
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| 418 | context.self->convSampling_,
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| 419 | context.common.convFunc,
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| 420 | context.common.chanMap,
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| 421 | (Int*)&context.pol ) ;
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| 422 | t1 = mathutil::gettimeofday_sec() ;
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| 423 | context.self->eGGridSD_ += t1-t0 ;
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| 424 |
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| 425 | delete chunk;
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| 426 | }
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| 427 |
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[2378] | 428 | void STGrid::gridPerRow()
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| 429 | {
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| 430 | LogIO os( LogOrigin("STGrid", "gridPerRow", WHERE) ) ;
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| 431 | double t0, t1 ;
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| 432 |
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| 433 |
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[2379] | 434 | // grid data
|
---|
| 435 | // Extend grid plane with convSupport_
|
---|
[2393] | 436 | // Int gnx = nx_+convSupport_*2 ;
|
---|
| 437 | // Int gny = ny_+convSupport_*2 ;
|
---|
| 438 | Int gnx = nx_;
|
---|
| 439 | Int gny = ny_;
|
---|
| 440 |
|
---|
[2378] | 441 | IPosition gshape( 4, gnx, gny, npol_, nchan_ ) ;
|
---|
| 442 | // 2011/12/20 TN
|
---|
| 443 | // data_ and gwgtArr share storage
|
---|
| 444 | data_.resize( gshape ) ;
|
---|
| 445 | data_ = 0.0 ;
|
---|
[2393] | 446 | STCommonData common = STCommonData(gshape, data_);
|
---|
| 447 | common.gnx = gnx ;
|
---|
| 448 | common.gny = gny ;
|
---|
[2378] | 449 |
|
---|
[2379] | 450 | // parameters for gridding
|
---|
| 451 | Int *chanMap = new Int[nchan_] ;
|
---|
[2393] | 452 | for ( Int i = 0 ; i < nchan_ ; i++ ) {
|
---|
| 453 | chanMap[i] = i ;
|
---|
[2379] | 454 | }
|
---|
[2393] | 455 | common.chanMap = chanMap;
|
---|
[2379] | 456 |
|
---|
[2393] | 457 | // convolution kernel
|
---|
| 458 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 459 | setConvFunc( common.convFunc ) ;
|
---|
| 460 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 461 | os << "setConvFunc: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
| 462 |
|
---|
[2379] | 463 | // for performance check
|
---|
[2393] | 464 | eGetData_ = 0.0 ;
|
---|
| 465 | eToPixel_ = 0.0 ;
|
---|
| 466 | eGGridSD_ = 0.0 ;
|
---|
[2384] | 467 | double eInitPol = 0.0 ;
|
---|
[2379] | 468 |
|
---|
[2393] | 469 | Broker broker = Broker(produceChunk, consumeChunk);
|
---|
[2390] | 470 | for ( uInt ifile = 0 ; ifile < nfile_ ; ifile++ ) {
|
---|
| 471 | initTable( ifile ) ;
|
---|
[2380] | 472 |
|
---|
[2393] | 473 | os << "start table " << ifile << ": " << infileList_[ifile] << LogIO::POST ;
|
---|
[2390] | 474 | for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
|
---|
[2383] | 475 | t0 = mathutil::gettimeofday_sec() ;
|
---|
[2393] | 476 | initPol( ipol ) ; // set ptab_ and attach()
|
---|
[2383] | 477 | t1 = mathutil::gettimeofday_sec() ;
|
---|
[2390] | 478 | eInitPol += t1-t0 ;
|
---|
[2383] | 479 |
|
---|
[2393] | 480 | STContext context(this, common, ipol);
|
---|
[2390] | 481 |
|
---|
| 482 | os << "start pol " << ipol << LogIO::POST ;
|
---|
| 483 |
|
---|
[2393] | 484 | nprocessed_ = 0 ;
|
---|
| 485 | #if 1
|
---|
| 486 | broker.runProducerAsMasterThread(&context, DO_AHEAD);
|
---|
| 487 | #else
|
---|
| 488 | for (;;) {
|
---|
| 489 | bool produced = produceChunk(&context);
|
---|
| 490 | if (! produced) {
|
---|
| 491 | break;
|
---|
| 492 | }
|
---|
| 493 | consumeChunk(&context);
|
---|
[2390] | 494 | }
|
---|
[2393] | 495 | #endif
|
---|
| 496 |
|
---|
[2390] | 497 | os << "end pol " << ipol << LogIO::POST ;
|
---|
[2393] | 498 |
|
---|
[2383] | 499 | }
|
---|
[2393] | 500 | os << "end table " << ifile << LogIO::POST ;
|
---|
[2378] | 501 | }
|
---|
[2384] | 502 | os << "initPol: elapsed time is " << eInitPol << " sec." << LogIO::POST ;
|
---|
[2393] | 503 | os << "getData: elapsed time is " << eGetData_-eToInt-eGetWeight << " sec." << LogIO::POST ;
|
---|
| 504 | os << "toPixel: elapsed time is " << eToPixel_ << " sec." << LogIO::POST ;
|
---|
| 505 | os << "ggridsd: elapsed time is " << eGGridSD_ << " sec." << LogIO::POST ;
|
---|
[2381] | 506 | os << "toInt: elapsed time is " << eToInt << " sec." << LogIO::POST ;
|
---|
[2384] | 507 | os << "getWeight: elapsed time is " << eGetWeight << " sec." << LogIO::POST ;
|
---|
[2383] | 508 |
|
---|
[2379] | 509 | delete chanMap ;
|
---|
| 510 |
|
---|
[2378] | 511 | // set data
|
---|
[2393] | 512 | setData( common.gdataArrC, common.gwgtArr ) ;
|
---|
[2379] | 513 |
|
---|
[2378] | 514 | }
|
---|
| 515 |
|
---|
[2382] | 516 | void STGrid::gridPerPol()
|
---|
[2379] | 517 | {
|
---|
[2382] | 518 | LogIO os( LogOrigin("STGrid", "gridPerPol", WHERE) ) ;
|
---|
[2364] | 519 | double t0, t1 ;
|
---|
[2356] | 520 |
|
---|
[2359] | 521 | // convolution kernel
|
---|
| 522 | Vector<Float> convFunc ;
|
---|
[2364] | 523 | t0 = mathutil::gettimeofday_sec() ;
|
---|
[2359] | 524 | setConvFunc( convFunc ) ;
|
---|
[2364] | 525 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 526 | os << "setConvFunc: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
[2359] | 527 |
|
---|
[2382] | 528 | // prepare grid data storage
|
---|
[2364] | 529 | Int gnx = nx_ ;
|
---|
| 530 | Int gny = ny_ ;
|
---|
[2382] | 531 | // // Extend grid plane with convSupport_
|
---|
[2364] | 532 | // Int gnx = nx_+convSupport_*2 ;
|
---|
| 533 | // Int gny = ny_+convSupport_*2 ;
|
---|
[2361] | 534 | IPosition gshape( 4, gnx, gny, npol_, nchan_ ) ;
|
---|
[2356] | 535 | Array<Complex> gdataArrC( gshape, 0.0 ) ;
|
---|
[2378] | 536 | //Array<Float> gwgtArr( gshape, 0.0 ) ;
|
---|
| 537 | // 2011/12/20 TN
|
---|
| 538 | // data_ and weight array shares storage
|
---|
| 539 | data_.resize( gshape ) ;
|
---|
| 540 | data_ = 0.0 ;
|
---|
| 541 | Array<Float> gwgtArr( data_ ) ;
|
---|
[2382] | 542 |
|
---|
| 543 | // maps
|
---|
[2361] | 544 | Int *chanMap = new Int[nchan_] ;
|
---|
[2356] | 545 | {
|
---|
| 546 | Int *work_p = chanMap ;
|
---|
[2361] | 547 | for ( Int i = 0 ; i < nchan_ ; i++ ) {
|
---|
[2356] | 548 | *work_p = i ;
|
---|
| 549 | work_p++ ;
|
---|
| 550 | }
|
---|
| 551 | }
|
---|
[2393] | 552 | Int polMap[1] ;
|
---|
[2384] | 553 |
|
---|
| 554 | // some parameters for ggridsd
|
---|
[2382] | 555 | Int nvispol = 1 ;
|
---|
[2384] | 556 | Int irow = -1 ;
|
---|
[2382] | 557 |
|
---|
[2383] | 558 | // for performance check
|
---|
| 559 | double eInitPol = 0.0 ;
|
---|
| 560 | double eGetData = 0.0 ;
|
---|
| 561 | double eToPixel = 0.0 ;
|
---|
| 562 | double eGGridSD = 0.0 ;
|
---|
| 563 | double eToInt = 0.0 ;
|
---|
| 564 |
|
---|
[2390] | 565 | for ( uInt ifile = 0 ; ifile < nfile_ ; ifile++ ) {
|
---|
| 566 | initTable( ifile ) ;
|
---|
[2382] | 567 |
|
---|
[2393] | 568 | os << "start table " << ifile << ": " << infileList_[ifile] << LogIO::POST ;
|
---|
[2390] | 569 | // to read data from the table
|
---|
| 570 | IPosition mshape( 2, nchan_, nrow_ ) ;
|
---|
| 571 | IPosition dshape( 2, 2, nrow_ ) ;
|
---|
| 572 | Array<Complex> spectra( mshape ) ;
|
---|
| 573 | Array<Double> direction( dshape ) ;
|
---|
| 574 | Array<Int> flagtra( mshape ) ;
|
---|
| 575 | Array<Int> rflag( IPosition(1,nrow_) ) ;
|
---|
| 576 | Array<Float> weight( mshape ) ;
|
---|
| 577 | Array<Double> xypos( dshape ) ;
|
---|
| 578 |
|
---|
| 579 | for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
|
---|
| 580 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 581 | initPol( ipol ) ;
|
---|
| 582 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 583 | eInitPol += t1-t0 ;
|
---|
[2393] | 584 |
|
---|
| 585 | os << "start pol " << ipol << LogIO::POST ;
|
---|
| 586 |
|
---|
[2390] | 587 | // retrieve data
|
---|
| 588 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 589 | getDataPerPol( spectra, direction, flagtra, rflag, weight ) ;
|
---|
| 590 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 591 | eGetData += t1-t0 ;
|
---|
| 592 |
|
---|
| 593 | // world -> pixel
|
---|
| 594 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 595 | toPixel( direction, xypos ) ;
|
---|
| 596 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 597 | eToPixel += t1-t0 ;
|
---|
| 598 |
|
---|
| 599 | // call ggridsd
|
---|
| 600 | polMap[0] = ipol ;
|
---|
| 601 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 602 | call_ggridsd( xypos,
|
---|
| 603 | spectra,
|
---|
| 604 | nvispol,
|
---|
| 605 | nchan_,
|
---|
| 606 | flagtra,
|
---|
| 607 | rflag,
|
---|
| 608 | weight,
|
---|
| 609 | nrow_,
|
---|
| 610 | irow,
|
---|
| 611 | gdataArrC,
|
---|
| 612 | gwgtArr,
|
---|
| 613 | gnx,
|
---|
| 614 | gny,
|
---|
| 615 | npol_,
|
---|
| 616 | nchan_,
|
---|
| 617 | convSupport_,
|
---|
| 618 | convSampling_,
|
---|
| 619 | convFunc,
|
---|
| 620 | chanMap,
|
---|
| 621 | polMap ) ;
|
---|
| 622 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 623 | eGGridSD += t1-t0 ;
|
---|
[2393] | 624 |
|
---|
| 625 | os << "end pol " << ipol << LogIO::POST ;
|
---|
| 626 |
|
---|
[2390] | 627 | }
|
---|
[2393] | 628 | os << "end table " << ifile << LogIO::POST ;
|
---|
[2356] | 629 | }
|
---|
[2384] | 630 | os << "initPol: elapsed time is " << eInitPol << " sec." << LogIO::POST ;
|
---|
| 631 | os << "getData: elapsed time is " << eGetData-eToInt-eGetWeight << " sec." << LogIO::POST ;
|
---|
| 632 | os << "toPixel: elapsed time is " << eToPixel << " sec." << LogIO::POST ;
|
---|
| 633 | os << "ggridsd: elapsed time is " << eGGridSD << " sec." << LogIO::POST ;
|
---|
| 634 | os << "toInt: elapsed time is " << eToInt << " sec." << LogIO::POST ;
|
---|
| 635 | os << "getWeight: elapsed time is " << eGetWeight << " sec." << LogIO::POST ;
|
---|
[2382] | 636 |
|
---|
| 637 | // delete maps
|
---|
[2356] | 638 | delete chanMap ;
|
---|
[2382] | 639 |
|
---|
[2378] | 640 | setData( gdataArrC, gwgtArr ) ;
|
---|
[2364] | 641 | // os << "gdataArr = " << gdataArr << LogIO::POST ;
|
---|
| 642 | // os << "gwgtArr = " << gwgtArr << LogIO::POST ;
|
---|
| 643 | // os << "data_ " << data_ << LogIO::POST ;
|
---|
[2356] | 644 | }
|
---|
| 645 |
|
---|
[2382] | 646 | void STGrid::initPol( Int ipol )
|
---|
| 647 | {
|
---|
[2386] | 648 | LogIO os( LogOrigin("STGrid","initPol",WHERE) ) ;
|
---|
| 649 | if ( npolOrg_ == 1 ) {
|
---|
| 650 | os << "single polarization data." << LogIO::POST ;
|
---|
[2385] | 651 | ptab_ = tab_ ;
|
---|
[2386] | 652 | }
|
---|
[2385] | 653 | else
|
---|
| 654 | ptab_ = tab_( tab_.col("POLNO") == (uInt)ipol ) ;
|
---|
[2382] | 655 |
|
---|
| 656 | attach( ptab_ ) ;
|
---|
| 657 | }
|
---|
| 658 |
|
---|
[2390] | 659 | void STGrid::initTable( uInt idx )
|
---|
| 660 | {
|
---|
| 661 | tab_ = tableList_[idx] ;
|
---|
| 662 | nrow_ = rows_[idx] ;
|
---|
| 663 | }
|
---|
| 664 |
|
---|
[2378] | 665 | void STGrid::setData( Array<Complex> &gdata,
|
---|
[2368] | 666 | Array<Float> &gwgt )
|
---|
| 667 | {
|
---|
[2378] | 668 | // 2011/12/20 TN
|
---|
| 669 | // gwgt and data_ share storage
|
---|
[2368] | 670 | LogIO os( LogOrigin("STGrid","setData",WHERE) ) ;
|
---|
| 671 | double t0, t1 ;
|
---|
| 672 | t0 = mathutil::gettimeofday_sec() ;
|
---|
[2378] | 673 | uInt len = data_.nelements() ;
|
---|
[2374] | 674 | const Complex *w1_p ;
|
---|
[2378] | 675 | Float *w2_p ;
|
---|
[2379] | 676 | Bool b1, b2 ;
|
---|
[2374] | 677 | const Complex *gdata_p = gdata.getStorage( b1 ) ;
|
---|
[2378] | 678 | Float *gwgt_p = data_.getStorage( b2 ) ;
|
---|
[2368] | 679 | w1_p = gdata_p ;
|
---|
| 680 | w2_p = gwgt_p ;
|
---|
| 681 | for ( uInt i = 0 ; i < len ; i++ ) {
|
---|
[2378] | 682 | if ( *w2_p > 0.0 ) *w2_p = (*w1_p).real() / *w2_p ;
|
---|
[2368] | 683 | w1_p++ ;
|
---|
| 684 | w2_p++ ;
|
---|
| 685 | }
|
---|
| 686 | gdata.freeStorage( gdata_p, b1 ) ;
|
---|
[2378] | 687 | data_.putStorage( gwgt_p, b2 ) ;
|
---|
[2368] | 688 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 689 | os << "setData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
| 690 | }
|
---|
| 691 |
|
---|
[2388] | 692 | void STGrid::setupGrid()
|
---|
| 693 | {
|
---|
| 694 | Double xmin,xmax,ymin,ymax ;
|
---|
| 695 | mapExtent( xmin, xmax, ymin, ymax ) ;
|
---|
| 696 |
|
---|
| 697 | setupGrid( nxUI_, nyUI_, cellxUI_, cellyUI_,
|
---|
| 698 | xmin, xmax, ymin, ymax, centerUI_ ) ;
|
---|
| 699 | }
|
---|
| 700 |
|
---|
[2356] | 701 | void STGrid::setupGrid( Int &nx,
|
---|
| 702 | Int &ny,
|
---|
| 703 | String &cellx,
|
---|
| 704 | String &celly,
|
---|
| 705 | Double &xmin,
|
---|
| 706 | Double &xmax,
|
---|
| 707 | Double &ymin,
|
---|
| 708 | Double &ymax,
|
---|
| 709 | String ¢er )
|
---|
| 710 | {
|
---|
[2375] | 711 | LogIO os( LogOrigin("STGrid","setupGrid",WHERE) ) ;
|
---|
[2356] | 712 | //cout << "nx=" << nx << ", ny=" << ny << endl ;
|
---|
[2359] | 713 |
|
---|
| 714 | // center position
|
---|
| 715 | if ( center.size() == 0 ) {
|
---|
| 716 | center_(0) = 0.5 * ( xmin + xmax ) ;
|
---|
| 717 | center_(1) = 0.5 * ( ymin + ymax ) ;
|
---|
| 718 | }
|
---|
| 719 | else {
|
---|
| 720 | String::size_type pos0 = center.find( " " ) ;
|
---|
| 721 | if ( pos0 == String::npos ) {
|
---|
| 722 | throw AipsError( "bad string format in parameter center" ) ;
|
---|
| 723 | }
|
---|
| 724 | String::size_type pos1 = center.find( " ", pos0+1 ) ;
|
---|
| 725 | String typestr, xstr, ystr ;
|
---|
| 726 | if ( pos1 != String::npos ) {
|
---|
| 727 | typestr = center.substr( 0, pos0 ) ;
|
---|
| 728 | xstr = center.substr( pos0+1, pos1-pos0 ) ;
|
---|
| 729 | ystr = center.substr( pos1+1 ) ;
|
---|
| 730 | // todo: convert to J2000 (or direction ref for DIRECTION column)
|
---|
| 731 | }
|
---|
| 732 | else {
|
---|
| 733 | typestr = "J2000" ;
|
---|
| 734 | xstr = center.substr( 0, pos0 ) ;
|
---|
| 735 | ystr = center.substr( pos0+1 ) ;
|
---|
| 736 | }
|
---|
| 737 | QuantumHolder qh ;
|
---|
| 738 | String err ;
|
---|
| 739 | qh.fromString( err, xstr ) ;
|
---|
| 740 | Quantum<Double> xcen = qh.asQuantumDouble() ;
|
---|
| 741 | qh.fromString( err, ystr ) ;
|
---|
| 742 | Quantum<Double> ycen = qh.asQuantumDouble() ;
|
---|
| 743 | center_(0) = xcen.getValue( "rad" ) ;
|
---|
| 744 | center_(1) = ycen.getValue( "rad" ) ;
|
---|
| 745 | }
|
---|
| 746 |
|
---|
| 747 |
|
---|
[2356] | 748 | nx_ = nx ;
|
---|
| 749 | ny_ = ny ;
|
---|
| 750 | if ( nx < 0 && ny > 0 ) {
|
---|
| 751 | nx_ = ny ;
|
---|
| 752 | ny_ = ny ;
|
---|
| 753 | }
|
---|
| 754 | if ( ny < 0 && nx > 0 ) {
|
---|
| 755 | nx_ = nx ;
|
---|
| 756 | ny_ = nx ;
|
---|
| 757 | }
|
---|
[2375] | 758 |
|
---|
| 759 | //Double wx = xmax - xmin ;
|
---|
| 760 | //Double wy = ymax - ymin ;
|
---|
| 761 | Double wx = max( abs(xmax-center_(0)), abs(xmin-center_(0)) ) * 2 ;
|
---|
| 762 | Double wy = max( abs(ymax-center_(1)), abs(ymin-center_(1)) ) * 2 ;
|
---|
| 763 | // take 10% margin
|
---|
| 764 | wx *= 1.10 ;
|
---|
| 765 | wy *= 1.10 ;
|
---|
| 766 |
|
---|
| 767 | Quantum<Double> qcellx ;
|
---|
| 768 | Quantum<Double> qcelly ;
|
---|
[2356] | 769 | //cout << "nx_ = " << nx_ << ", ny_ = " << ny_ << endl ;
|
---|
| 770 | if ( cellx.size() != 0 && celly.size() != 0 ) {
|
---|
| 771 | readQuantity( qcellx, cellx ) ;
|
---|
| 772 | readQuantity( qcelly, celly ) ;
|
---|
| 773 | }
|
---|
| 774 | else if ( celly.size() != 0 ) {
|
---|
[2375] | 775 | os << "Using celly to x-axis..." << LogIO::POST ;
|
---|
[2356] | 776 | readQuantity( qcelly, celly ) ;
|
---|
| 777 | qcellx = qcelly ;
|
---|
| 778 | }
|
---|
| 779 | else if ( cellx.size() != 0 ) {
|
---|
[2375] | 780 | os << "Using cellx to y-axis..." << LogIO::POST ;
|
---|
[2356] | 781 | readQuantity( qcellx, cellx ) ;
|
---|
| 782 | qcelly = qcellx ;
|
---|
| 783 | }
|
---|
| 784 | else {
|
---|
| 785 | if ( nx_ < 0 ) {
|
---|
[2375] | 786 | os << "No user preference in grid setting. Using default..." << LogIO::POST ;
|
---|
[2356] | 787 | readQuantity( qcellx, "1.0arcmin" ) ;
|
---|
| 788 | qcelly = qcellx ;
|
---|
| 789 | }
|
---|
| 790 | else {
|
---|
[2375] | 791 | if ( wx == 0.0 ) {
|
---|
| 792 | os << "Using default spatial extent (10arcmin) in x" << LogIO::POST ;
|
---|
| 793 | wx = 0.00290888 ;
|
---|
| 794 | }
|
---|
| 795 | if ( wy == 0.0 ) {
|
---|
| 796 | os << "Using default spatial extent (10arcmin) in y" << LogIO::POST ;
|
---|
| 797 | wy = 0.00290888 ;
|
---|
| 798 | }
|
---|
[2356] | 799 | qcellx = Quantum<Double>( wx/nx_, "rad" ) ;
|
---|
| 800 | qcelly = Quantum<Double>( wy/ny_, "rad" ) ;
|
---|
| 801 | }
|
---|
| 802 | }
|
---|
| 803 | cellx_ = qcellx.getValue( "rad" ) ;
|
---|
| 804 | celly_ = qcelly.getValue( "rad" ) ;
|
---|
| 805 | if ( nx_ < 0 ) {
|
---|
[2375] | 806 | if ( wx == 0.0 ) {
|
---|
| 807 | os << "Using default spatial extent (10arcmin) in x" << LogIO::POST ;
|
---|
| 808 | wx = 0.00290888 ;
|
---|
| 809 | }
|
---|
| 810 | if ( wy == 0.0 ) {
|
---|
| 811 | os << "Using default spatial extent (10arcmin) in y" << LogIO::POST ;
|
---|
| 812 | wy = 0.00290888 ;
|
---|
| 813 | }
|
---|
[2356] | 814 | nx_ = Int( ceil( wx/cellx_ ) ) ;
|
---|
| 815 | ny_ = Int( ceil( wy/celly_ ) ) ;
|
---|
| 816 | }
|
---|
| 817 | }
|
---|
| 818 |
|
---|
[2388] | 819 | void STGrid::mapExtent( Double &xmin, Double &xmax,
|
---|
| 820 | Double &ymin, Double &ymax )
|
---|
| 821 | {
|
---|
| 822 | //LogIO os( LogOrigin("STGrid","mapExtent",WHERE) ) ;
|
---|
[2390] | 823 | directionCol_.attach( tableList_[0], "DIRECTION" ) ;
|
---|
| 824 | Matrix<Double> direction = directionCol_.getColumn() ;
|
---|
[2388] | 825 | //os << "dirCol.nrow() = " << dirCol.nrow() << LogIO::POST ;
|
---|
| 826 | minMax( xmin, xmax, direction.row( 0 ) ) ;
|
---|
| 827 | minMax( ymin, ymax, direction.row( 1 ) ) ;
|
---|
[2390] | 828 | Double amin, amax, bmin, bmax ;
|
---|
| 829 | for ( uInt i = 1 ; i < nfile_ ; i++ ) {
|
---|
| 830 | directionCol_.attach( tableList_[i], "DIRECTION" ) ;
|
---|
| 831 | direction.assign( directionCol_.getColumn() ) ;
|
---|
| 832 | //os << "dirCol.nrow() = " << dirCol.nrow() << LogIO::POST ;
|
---|
| 833 | minMax( amin, amax, direction.row( 0 ) ) ;
|
---|
| 834 | minMax( bmin, bmax, direction.row( 1 ) ) ;
|
---|
| 835 | xmin = min( xmin, amin ) ;
|
---|
| 836 | xmax = max( xmax, amax ) ;
|
---|
| 837 | ymin = min( ymin, bmin ) ;
|
---|
| 838 | ymax = max( ymax, bmax ) ;
|
---|
| 839 | }
|
---|
[2388] | 840 | //os << "(xmin,xmax)=(" << xmin << "," << xmax << ")" << LogIO::POST ;
|
---|
| 841 | //os << "(ymin,ymax)=(" << ymin << "," << ymax << ")" << LogIO::POST ;
|
---|
| 842 | }
|
---|
| 843 |
|
---|
[2379] | 844 | void STGrid::selectData()
|
---|
[2362] | 845 | {
|
---|
[2386] | 846 | LogIO os( LogOrigin("STGrid","selectData",WHERE) ) ;
|
---|
[2362] | 847 | Int ifno = ifno_ ;
|
---|
[2390] | 848 | tableList_.resize( nfile_ ) ;
|
---|
[2393] | 849 | if ( ifno == -1 ) {
|
---|
| 850 | Table taborg( infileList_[0] ) ;
|
---|
| 851 | ROScalarColumn<uInt> ifnoCol( taborg, "IFNO" ) ;
|
---|
| 852 | ifno = ifnoCol( 0 ) ;
|
---|
| 853 | os << LogIO::WARN
|
---|
| 854 | << "IFNO is not given. Using default IFNO: " << ifno << LogIO::POST ;
|
---|
| 855 | }
|
---|
[2390] | 856 | for ( uInt i = 0 ; i < nfile_ ; i++ ) {
|
---|
[2389] | 857 | Table taborg( infileList_[i] ) ;
|
---|
| 858 | TableExprNode node ;
|
---|
| 859 | if ( isMultiIF( taborg ) ) {
|
---|
| 860 | os << "apply selection on IFNO" << LogIO::POST ;
|
---|
| 861 | node = taborg.col("IFNO") == ifno ;
|
---|
| 862 | }
|
---|
| 863 | if ( scanlist_.size() > 0 ) {
|
---|
| 864 | os << "apply selection on SCANNO" << LogIO::POST ;
|
---|
| 865 | node = node && taborg.col("SCANNO").in( scanlist_ ) ;
|
---|
| 866 | }
|
---|
| 867 | if ( node.isNull() ) {
|
---|
| 868 | tableList_[i] = taborg ;
|
---|
| 869 | }
|
---|
| 870 | else {
|
---|
| 871 | tableList_[i] = taborg( node ) ;
|
---|
| 872 | }
|
---|
[2393] | 873 | os << "tableList_[" << i << "].nrow()=" << tableList_[i].nrow() << LogIO::POST ;
|
---|
[2389] | 874 | if ( tableList_[i].nrow() == 0 ) {
|
---|
| 875 | os << LogIO::SEVERE
|
---|
| 876 | << "No corresponding rows for given selection: IFNO " << ifno ;
|
---|
| 877 | if ( scanlist_.size() > 0 )
|
---|
| 878 | os << " SCANNO " << scanlist_ ;
|
---|
| 879 | os << LogIO::EXCEPTION ;
|
---|
| 880 | }
|
---|
[2362] | 881 | }
|
---|
| 882 | }
|
---|
| 883 |
|
---|
[2386] | 884 | Bool STGrid::isMultiIF( Table &tab )
|
---|
| 885 | {
|
---|
| 886 | ROScalarColumn<uInt> ifnoCol( tab, "IFNO" ) ;
|
---|
| 887 | Vector<uInt> ifnos = ifnoCol.getColumn() ;
|
---|
| 888 | return anyNE( ifnos, ifnos[0] ) ;
|
---|
| 889 | }
|
---|
| 890 |
|
---|
[2382] | 891 | void STGrid::attach( Table &tab )
|
---|
[2379] | 892 | {
|
---|
| 893 | // attach to table
|
---|
[2382] | 894 | spectraCol_.attach( tab, "SPECTRA" ) ;
|
---|
| 895 | flagtraCol_.attach( tab, "FLAGTRA" ) ;
|
---|
| 896 | directionCol_.attach( tab, "DIRECTION" ) ;
|
---|
| 897 | flagRowCol_.attach( tab, "FLAGROW" ) ;
|
---|
| 898 | tsysCol_.attach( tab, "TSYS" ) ;
|
---|
| 899 | intervalCol_.attach( tab, "INTERVAL" ) ;
|
---|
[2379] | 900 | }
|
---|
| 901 |
|
---|
[2382] | 902 | void STGrid::getDataPerPol( Array<Float> &spectra,
|
---|
| 903 | Array<Double> &direction,
|
---|
| 904 | Array<uChar> &flagtra,
|
---|
| 905 | Array<uInt> &rflag,
|
---|
| 906 | Array<Float> &weight )
|
---|
[2356] | 907 | {
|
---|
[2382] | 908 | LogIO os( LogOrigin("STGrid","getDataPerPol",WHERE) ) ;
|
---|
[2383] | 909 |
|
---|
[2382] | 910 | // 2011/12/22 TN
|
---|
| 911 | // weight and tsys shares its storage
|
---|
| 912 | Array<Float> tsys( weight ) ;
|
---|
| 913 | Array<Double> tint( rflag.shape() ) ;
|
---|
[2383] | 914 |
|
---|
| 915 | Vector<uInt> rflagVec( rflag ) ;
|
---|
[2382] | 916 | Vector<Double> tintVec( tint ) ;
|
---|
[2375] | 917 |
|
---|
[2382] | 918 | spectraCol_.getColumn( spectra ) ;
|
---|
| 919 | flagtraCol_.getColumn( flagtra ) ;
|
---|
| 920 | flagRowCol_.getColumn( rflagVec ) ;
|
---|
| 921 | directionCol_.getColumn( direction ) ;
|
---|
| 922 | intervalCol_.getColumn( tintVec ) ;
|
---|
| 923 | Vector<Float> tsysTemp = tsysCol_( 0 ) ;
|
---|
| 924 | if ( tsysTemp.nelements() == (uInt)nchan_ ) {
|
---|
| 925 | tsysCol_.getColumn( tsys ) ;
|
---|
[2360] | 926 | }
|
---|
[2382] | 927 | else {
|
---|
| 928 | tsys = tsysTemp[0] ;
|
---|
| 929 | }
|
---|
[2384] | 930 |
|
---|
| 931 | double t0,t1 ;
|
---|
| 932 | t0 = mathutil::gettimeofday_sec() ;
|
---|
[2383] | 933 | getWeight( weight, tsys, tint ) ;
|
---|
[2384] | 934 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 935 | eGetWeight += t1-t0 ;
|
---|
[2356] | 936 | }
|
---|
| 937 |
|
---|
[2382] | 938 | void STGrid::getDataPerPol( Array<Complex> &spectra,
|
---|
| 939 | Array<Double> &direction,
|
---|
| 940 | Array<Int> &flagtra,
|
---|
| 941 | Array<Int> &rflag,
|
---|
| 942 | Array<Float> &weight )
|
---|
[2371] | 943 | {
|
---|
[2382] | 944 | LogIO os( LogOrigin("STGrid","getDataPerPol",WHERE) ) ;
|
---|
[2375] | 945 | double t0, t1 ;
|
---|
| 946 |
|
---|
[2382] | 947 | Array<uChar> flagUC( flagtra.shape() ) ;
|
---|
| 948 | Array<uInt> rflagUI( rflag.shape() ) ;
|
---|
| 949 | Array<Float> spectraF( spectra.shape() ) ;
|
---|
| 950 | getDataPerPol( spectraF, direction, flagUC, rflagUI, weight ) ;
|
---|
[2375] | 951 |
|
---|
[2382] | 952 | convertArray( spectra, spectraF ) ;
|
---|
[2375] | 953 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 954 | toInt( flagUC, flagtra ) ;
|
---|
| 955 | toInt( rflagUI, rflag ) ;
|
---|
| 956 | t1 = mathutil::gettimeofday_sec() ;
|
---|
[2384] | 957 | eToInt += t1-t0 ;
|
---|
[2383] | 958 | //os << "toInt: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
[2375] | 959 | }
|
---|
| 960 |
|
---|
[2393] | 961 | Int STGrid::getDataChunk(
|
---|
| 962 | IPosition const &wshape,
|
---|
| 963 | IPosition const &vshape,
|
---|
| 964 | IPosition const &dshape,
|
---|
| 965 | Array<Complex> &spectra,
|
---|
| 966 | Array<Double> &direction,
|
---|
| 967 | Array<Int> &flagtra,
|
---|
| 968 | Array<Int> &rflag,
|
---|
| 969 | Array<Float> &weight )
|
---|
| 970 | {
|
---|
| 971 | LogIO os( LogOrigin("STGrid","getDataChunk",WHERE) ) ;
|
---|
| 972 |
|
---|
| 973 | Array<Float> spectraF_(wshape);
|
---|
| 974 | Array<uChar> flagtraUC_(wshape);
|
---|
| 975 | Array<uInt> rflagUI_(vshape);
|
---|
| 976 | Int nrow = getDataChunk( spectraF_, direction, flagtraUC_, rflagUI_, weight ) ;
|
---|
| 977 | if ( nrow < nchunk_ ) {
|
---|
| 978 | spectra.resize( spectraF_.shape() ) ;
|
---|
| 979 | flagtra.resize( flagtraUC_.shape() ) ;
|
---|
| 980 | rflag.resize( rflagUI_.shape() ) ;
|
---|
| 981 | }
|
---|
| 982 | double t0, t1 ;
|
---|
| 983 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 984 | convertArray( spectra, spectraF_ ) ;
|
---|
| 985 | toInt( flagtraUC_, flagtra ) ;
|
---|
| 986 | toInt( rflagUI_, rflag ) ;
|
---|
| 987 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 988 | eToInt = t1 - t0 ;
|
---|
| 989 |
|
---|
| 990 | return nrow ;
|
---|
| 991 | }
|
---|
| 992 |
|
---|
| 993 | #if 0
|
---|
[2379] | 994 | Int STGrid::getDataChunk( Array<Complex> &spectra,
|
---|
| 995 | Array<Double> &direction,
|
---|
| 996 | Array<Int> &flagtra,
|
---|
| 997 | Array<Int> &rflag,
|
---|
| 998 | Array<Float> &weight )
|
---|
[2378] | 999 | {
|
---|
[2385] | 1000 | LogIO os( LogOrigin("STGrid","getDataChunk",WHERE) ) ;
|
---|
[2381] | 1001 | Int nrow = getDataChunk( spectraF_, direction, flagtraUC_, rflagUI_, weight ) ;
|
---|
[2383] | 1002 | if ( nrow < nchunk_ ) {
|
---|
| 1003 | spectra.resize( spectraF_.shape() ) ;
|
---|
| 1004 | flagtra.resize( flagtraUC_.shape() ) ;
|
---|
| 1005 | rflag.resize( rflagUI_.shape() ) ;
|
---|
| 1006 | }
|
---|
[2381] | 1007 | double t0, t1 ;
|
---|
| 1008 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 1009 | convertArray( spectra, spectraF_ ) ;
|
---|
[2382] | 1010 | toInt( flagtraUC_, flagtra ) ;
|
---|
| 1011 | toInt( rflagUI_, rflag ) ;
|
---|
[2381] | 1012 | t1 = mathutil::gettimeofday_sec() ;
|
---|
[2384] | 1013 | eToInt = t1 - t0 ;
|
---|
[2381] | 1014 |
|
---|
[2379] | 1015 | return nrow ;
|
---|
[2378] | 1016 | }
|
---|
[2393] | 1017 | #endif
|
---|
[2378] | 1018 |
|
---|
[2379] | 1019 | Int STGrid::getDataChunk( Array<Float> &spectra,
|
---|
| 1020 | Array<Double> &direction,
|
---|
| 1021 | Array<uChar> &flagtra,
|
---|
| 1022 | Array<uInt> &rflag,
|
---|
| 1023 | Array<Float> &weight )
|
---|
[2375] | 1024 | {
|
---|
[2379] | 1025 | LogIO os( LogOrigin("STGrid","getDataChunk",WHERE) ) ;
|
---|
[2383] | 1026 | Int nrow = spectra.shape()[1] ;
|
---|
| 1027 | Int remainingRow = nrow_ - nprocessed_ ;
|
---|
| 1028 | if ( remainingRow < nrow ) {
|
---|
| 1029 | nrow = remainingRow ;
|
---|
| 1030 | IPosition mshape( 2, nchan_, nrow ) ;
|
---|
| 1031 | IPosition vshape( 1, nrow ) ;
|
---|
| 1032 | spectra.resize( mshape ) ;
|
---|
| 1033 | flagtra.resize( mshape ) ;
|
---|
| 1034 | direction.resize( IPosition(2,2,nrow) ) ;
|
---|
| 1035 | rflag.resize( vshape ) ;
|
---|
| 1036 | weight.resize( mshape ) ;
|
---|
[2379] | 1037 | }
|
---|
[2383] | 1038 | // 2011/12/22 TN
|
---|
| 1039 | // tsys shares its storage with weight
|
---|
| 1040 | Array<Float> tsys( weight ) ;
|
---|
| 1041 | Array<Double> tint( rflag.shape() ) ;
|
---|
[2380] | 1042 |
|
---|
[2383] | 1043 | Vector<uInt> rflagVec( rflag ) ;
|
---|
| 1044 | Vector<Double> tintVec( tint ) ;
|
---|
[2379] | 1045 |
|
---|
[2383] | 1046 | RefRows rows( nprocessed_, nprocessed_+nrow-1, 1 ) ;
|
---|
[2386] | 1047 | //os<<LogIO::DEBUGGING<<"nprocessed_="<<nprocessed_<<": rows.nrows()="<<rows.nrows()<<LogIO::POST ;
|
---|
[2383] | 1048 | spectraCol_.getColumnCells( rows, spectra ) ;
|
---|
| 1049 | flagtraCol_.getColumnCells( rows, flagtra ) ;
|
---|
| 1050 | directionCol_.getColumnCells( rows, direction ) ;
|
---|
| 1051 | flagRowCol_.getColumnCells( rows, rflagVec ) ;
|
---|
| 1052 | intervalCol_.getColumnCells( rows, tintVec ) ;
|
---|
| 1053 | Vector<Float> tsysTemp = tsysCol_( nprocessed_ ) ;
|
---|
| 1054 | if ( tsysTemp.nelements() == (uInt)nchan_ )
|
---|
| 1055 | tsysCol_.getColumnCells( rows, tsys ) ;
|
---|
| 1056 | else
|
---|
| 1057 | tsys = tsysTemp[0] ;
|
---|
[2385] | 1058 |
|
---|
[2384] | 1059 | double t0,t1 ;
|
---|
| 1060 | t0 = mathutil::gettimeofday_sec() ;
|
---|
[2379] | 1061 | getWeight( weight, tsys, tint ) ;
|
---|
[2384] | 1062 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 1063 | eGetWeight += t1-t0 ;
|
---|
[2379] | 1064 |
|
---|
| 1065 | nprocessed_ += nrow ;
|
---|
| 1066 |
|
---|
| 1067 | return nrow ;
|
---|
| 1068 | }
|
---|
| 1069 |
|
---|
| 1070 | void STGrid::setupArray()
|
---|
| 1071 | {
|
---|
[2376] | 1072 | LogIO os( LogOrigin("STGrid","setupArray",WHERE) ) ;
|
---|
[2390] | 1073 | ROScalarColumn<uInt> polnoCol( tableList_[0], "POLNO" ) ;
|
---|
[2371] | 1074 | Vector<uInt> pols = polnoCol.getColumn() ;
|
---|
[2376] | 1075 | //os << pols << LogIO::POST ;
|
---|
[2371] | 1076 | Vector<uInt> pollistOrg ;
|
---|
[2386] | 1077 | npolOrg_ = 0 ;
|
---|
[2371] | 1078 | uInt polno ;
|
---|
| 1079 | for ( uInt i = 0 ; i < polnoCol.nrow() ; i++ ) {
|
---|
[2393] | 1080 | //polno = polnoCol( i ) ;
|
---|
[2371] | 1081 | polno = pols( i ) ;
|
---|
| 1082 | if ( allNE( pollistOrg, polno ) ) {
|
---|
[2386] | 1083 | pollistOrg.resize( npolOrg_+1, True ) ;
|
---|
| 1084 | pollistOrg[npolOrg_] = polno ;
|
---|
| 1085 | npolOrg_++ ;
|
---|
[2371] | 1086 | }
|
---|
| 1087 | }
|
---|
| 1088 | if ( pollist_.size() == 0 )
|
---|
| 1089 | pollist_ = pollistOrg ;
|
---|
| 1090 | else {
|
---|
| 1091 | Vector<uInt> newlist ;
|
---|
| 1092 | uInt newsize = 0 ;
|
---|
| 1093 | for ( uInt i = 0 ; i < pollist_.size() ; i++ ) {
|
---|
| 1094 | if ( anyEQ( pollistOrg, pollist_[i] ) ) {
|
---|
| 1095 | newlist.resize( newsize+1, True ) ;
|
---|
| 1096 | newlist[newsize] = pollist_[i] ;
|
---|
| 1097 | newsize++ ;
|
---|
| 1098 | }
|
---|
| 1099 | }
|
---|
| 1100 | pollist_.assign( newlist ) ;
|
---|
| 1101 | }
|
---|
| 1102 | npol_ = pollist_.size() ;
|
---|
| 1103 | if ( npol_ == 0 ) {
|
---|
| 1104 | os << LogIO::SEVERE << "Empty pollist" << LogIO::EXCEPTION ;
|
---|
| 1105 | }
|
---|
[2390] | 1106 | rows_.resize( nfile_ ) ;
|
---|
| 1107 | for ( uInt i = 0 ; i < nfile_ ; i++ ) {
|
---|
| 1108 | rows_[i] = tableList_[i].nrow() / npolOrg_ ;
|
---|
[2393] | 1109 | if ( nrow_ < rows_[i] )
|
---|
| 1110 | nrow_ = rows_[i] ;
|
---|
[2390] | 1111 | }
|
---|
| 1112 | flagtraCol_.attach( tableList_[0], "FLAGTRA" ) ;
|
---|
| 1113 | nchan_ = flagtraCol_( 0 ).nelements() ;
|
---|
[2371] | 1114 | // os << "npol_ = " << npol_ << "(" << pollist_ << ")" << endl
|
---|
| 1115 | // << "nchan_ = " << nchan_ << endl
|
---|
| 1116 | // << "nrow_ = " << nrow_ << LogIO::POST ;
|
---|
| 1117 | }
|
---|
| 1118 |
|
---|
[2375] | 1119 | void STGrid::getWeight( Array<Float> &w,
|
---|
[2382] | 1120 | Array<Float> &tsys,
|
---|
| 1121 | Array<Double> &tint )
|
---|
| 1122 | {
|
---|
[2383] | 1123 | LogIO os( LogOrigin("STGrid","getWeight",WHERE) ) ;
|
---|
[2384] | 1124 |
|
---|
[2382] | 1125 | // 2011/12/22 TN
|
---|
| 1126 | // w (weight) and tsys share storage
|
---|
| 1127 | IPosition refShape = tsys.shape() ;
|
---|
| 1128 | Int nchan = refShape[0] ;
|
---|
| 1129 | Int nrow = refShape[1] ;
|
---|
| 1130 | // os << "nchan=" << nchan << ", nrow=" << nrow << LogIO::POST ;
|
---|
| 1131 | // os << "w.shape()=" << w.shape() << endl
|
---|
| 1132 | // << "tsys.shape()=" << tsys.shape() << endl
|
---|
| 1133 | // << "tint.shape()=" << tint.shape() << LogIO::POST ;
|
---|
| 1134 |
|
---|
| 1135 | // set weight
|
---|
| 1136 | if ( wtype_.compare( "UNIFORM" ) == 0 ) {
|
---|
| 1137 | w = 1.0 ;
|
---|
| 1138 | }
|
---|
| 1139 | else if ( wtype_.compare( "TINT" ) == 0 ) {
|
---|
| 1140 | Bool b0, b1 ;
|
---|
| 1141 | Float *w_p = w.getStorage( b0 ) ;
|
---|
| 1142 | Float *w0_p = w_p ;
|
---|
| 1143 | const Double *ti_p = tint.getStorage( b1 ) ;
|
---|
| 1144 | const Double *w1_p = ti_p ;
|
---|
| 1145 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
| 1146 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
| 1147 | *w0_p = *w1_p ;
|
---|
| 1148 | w0_p++ ;
|
---|
| 1149 | }
|
---|
| 1150 | w1_p++ ;
|
---|
| 1151 | }
|
---|
| 1152 | w.putStorage( w_p, b0 ) ;
|
---|
| 1153 | tint.freeStorage( ti_p, b1 ) ;
|
---|
| 1154 | }
|
---|
| 1155 | else if ( wtype_.compare( "TSYS" ) == 0 ) {
|
---|
| 1156 | Bool b0 ;
|
---|
| 1157 | Float *w_p = w.getStorage( b0 ) ;
|
---|
| 1158 | Float *w0_p = w_p ;
|
---|
| 1159 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
| 1160 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
| 1161 | Float temp = *w0_p ;
|
---|
| 1162 | *w0_p = 1.0 / ( temp * temp ) ;
|
---|
| 1163 | w0_p++ ;
|
---|
| 1164 | }
|
---|
| 1165 | }
|
---|
| 1166 | w.putStorage( w_p, b0 ) ;
|
---|
| 1167 | }
|
---|
| 1168 | else if ( wtype_.compare( "TINTSYS" ) == 0 ) {
|
---|
| 1169 | Bool b0, b1 ;
|
---|
| 1170 | Float *w_p = w.getStorage( b0 ) ;
|
---|
| 1171 | Float *w0_p = w_p ;
|
---|
| 1172 | const Double *ti_p = tint.getStorage( b1 ) ;
|
---|
| 1173 | const Double *w1_p = ti_p ;
|
---|
| 1174 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
| 1175 | Float interval = *w1_p ;
|
---|
| 1176 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
| 1177 | Float temp = *w0_p ;
|
---|
| 1178 | *w0_p = interval / ( temp * temp ) ;
|
---|
| 1179 | w0_p++ ;
|
---|
| 1180 | }
|
---|
| 1181 | w1_p++ ;
|
---|
| 1182 | }
|
---|
| 1183 | w.putStorage( w_p, b0 ) ;
|
---|
| 1184 | tint.freeStorage( ti_p, b1 ) ;
|
---|
| 1185 | }
|
---|
| 1186 | else {
|
---|
| 1187 | //LogIO os( LogOrigin("STGrid", "getWeight", WHERE) ) ;
|
---|
| 1188 | //os << LogIO::WARN << "Unsupported weight type '" << wtype_ << "', apply UNIFORM weight" << LogIO::POST ;
|
---|
| 1189 | w = 1.0 ;
|
---|
| 1190 | }
|
---|
| 1191 | }
|
---|
| 1192 |
|
---|
[2375] | 1193 | void STGrid::toInt( Array<uChar> &u, Array<Int> &v )
|
---|
[2356] | 1194 | {
|
---|
[2375] | 1195 | uInt len = u.nelements() ;
|
---|
[2356] | 1196 | Int *int_p = new Int[len] ;
|
---|
| 1197 | Bool deleteIt ;
|
---|
[2375] | 1198 | const uChar *data_p = u.getStorage( deleteIt ) ;
|
---|
[2356] | 1199 | Int *i_p = int_p ;
|
---|
| 1200 | const uChar *u_p = data_p ;
|
---|
| 1201 | for ( uInt i = 0 ; i < len ; i++ ) {
|
---|
| 1202 | *i_p = ( *u_p == 0 ) ? 0 : 1 ;
|
---|
| 1203 | i_p++ ;
|
---|
| 1204 | u_p++ ;
|
---|
| 1205 | }
|
---|
[2375] | 1206 | u.freeStorage( data_p, deleteIt ) ;
|
---|
| 1207 | v.takeStorage( u.shape(), int_p, TAKE_OVER ) ;
|
---|
[2356] | 1208 | }
|
---|
| 1209 |
|
---|
[2375] | 1210 | void STGrid::toInt( Array<uInt> &u, Array<Int> &v )
|
---|
[2356] | 1211 | {
|
---|
[2375] | 1212 | uInt len = u.nelements() ;
|
---|
[2356] | 1213 | Int *int_p = new Int[len] ;
|
---|
| 1214 | Bool deleteIt ;
|
---|
[2375] | 1215 | const uInt *data_p = u.getStorage( deleteIt ) ;
|
---|
[2356] | 1216 | Int *i_p = int_p ;
|
---|
| 1217 | const uInt *u_p = data_p ;
|
---|
| 1218 | for ( uInt i = 0 ; i < len ; i++ ) {
|
---|
| 1219 | *i_p = ( *u_p == 0 ) ? 0 : 1 ;
|
---|
| 1220 | i_p++ ;
|
---|
| 1221 | u_p++ ;
|
---|
| 1222 | }
|
---|
[2375] | 1223 | u.freeStorage( data_p, deleteIt ) ;
|
---|
| 1224 | v.takeStorage( u.shape(), int_p, TAKE_OVER ) ;
|
---|
[2356] | 1225 | }
|
---|
| 1226 |
|
---|
[2375] | 1227 | void STGrid::toPixel( Array<Double> &world, Array<Double> &pixel )
|
---|
[2356] | 1228 | {
|
---|
[2359] | 1229 | // gridding will be done on (nx_+2*convSupport_) x (ny_+2*convSupport_)
|
---|
| 1230 | // grid plane to avoid unexpected behavior on grid edge
|
---|
[2375] | 1231 | Block<Double> pixc( 2 ) ;
|
---|
| 1232 | pixc[0] = Double( nx_-1 ) * 0.5 ;
|
---|
| 1233 | pixc[1] = Double( ny_-1 ) * 0.5 ;
|
---|
| 1234 | // pixc[0] = Double( nx_+2*convSupport_-1 ) * 0.5 ;
|
---|
| 1235 | // pixc[1] = Double( ny_+2*convSupport_-1 ) * 0.5 ;
|
---|
[2356] | 1236 | uInt nrow = world.shape()[1] ;
|
---|
[2375] | 1237 | Bool bw, bp ;
|
---|
| 1238 | const Double *w_p = world.getStorage( bw ) ;
|
---|
| 1239 | Double *p_p = pixel.getStorage( bp ) ;
|
---|
| 1240 | const Double *ww_p = w_p ;
|
---|
| 1241 | Double *wp_p = p_p ;
|
---|
| 1242 | for ( uInt i = 0 ; i < nrow ; i++ ) {
|
---|
| 1243 | *wp_p = pixc[0] + ( *ww_p - center_[0] ) / cellx_ ;
|
---|
| 1244 | wp_p++ ;
|
---|
| 1245 | ww_p++ ;
|
---|
| 1246 | *wp_p = pixc[1] + ( *ww_p - center_[1] ) / celly_ ;
|
---|
| 1247 | wp_p++ ;
|
---|
| 1248 | ww_p++ ;
|
---|
[2356] | 1249 | }
|
---|
[2375] | 1250 | world.freeStorage( w_p, bw ) ;
|
---|
| 1251 | pixel.putStorage( p_p, bp ) ;
|
---|
[2364] | 1252 | // String gridfile = "grid."+convType_+"."+String::toString(convSupport_)+".dat" ;
|
---|
| 1253 | // ofstream ofs( gridfile.c_str(), ios::out ) ;
|
---|
| 1254 | // ofs << "center " << center_(0) << " " << pixc(0)
|
---|
| 1255 | // << " " << center_(1) << " " << pixc(1) << endl ;
|
---|
| 1256 | // for ( uInt irow = 0 ; irow < nrow ; irow++ ) {
|
---|
| 1257 | // ofs << irow ;
|
---|
| 1258 | // for ( uInt i = 0 ; i < 2 ; i++ ) {
|
---|
| 1259 | // ofs << " " << world(i, irow) << " " << pixel(i, irow) ;
|
---|
| 1260 | // }
|
---|
| 1261 | // ofs << endl ;
|
---|
| 1262 | // }
|
---|
| 1263 | // ofs.close() ;
|
---|
[2356] | 1264 | }
|
---|
| 1265 |
|
---|
| 1266 | void STGrid::boxFunc( Vector<Float> &convFunc, Int &convSize )
|
---|
| 1267 | {
|
---|
| 1268 | convFunc = 0.0 ;
|
---|
| 1269 | for ( Int i = 0 ; i < convSize/2 ; i++ )
|
---|
| 1270 | convFunc(i) = 1.0 ;
|
---|
| 1271 | }
|
---|
| 1272 |
|
---|
| 1273 | #define NEED_UNDERSCORES
|
---|
| 1274 | #if defined(NEED_UNDERSCORES)
|
---|
| 1275 | #define grdsf grdsf_
|
---|
| 1276 | #endif
|
---|
| 1277 | extern "C" {
|
---|
| 1278 | void grdsf(Double*, Double*);
|
---|
| 1279 | }
|
---|
| 1280 | void STGrid::spheroidalFunc( Vector<Float> &convFunc )
|
---|
| 1281 | {
|
---|
| 1282 | convFunc = 0.0 ;
|
---|
| 1283 | for ( Int i = 0 ; i < convSampling_*convSupport_ ; i++ ) {
|
---|
| 1284 | Double nu = Double(i) / Double(convSupport_*convSampling_) ;
|
---|
| 1285 | Double val ;
|
---|
| 1286 | grdsf( &nu, &val ) ;
|
---|
| 1287 | convFunc(i) = ( 1.0 - nu * nu ) * val ;
|
---|
| 1288 | }
|
---|
| 1289 | }
|
---|
| 1290 |
|
---|
| 1291 | void STGrid::gaussFunc( Vector<Float> &convFunc )
|
---|
| 1292 | {
|
---|
| 1293 | convFunc = 0.0 ;
|
---|
[2363] | 1294 | // HWHM of the Gaussian is convSupport_ / 4
|
---|
| 1295 | // To take into account Gaussian tail, kernel cutoff is set to 4 * HWHM
|
---|
| 1296 | Int len = convSampling_ * convSupport_ ;
|
---|
| 1297 | Double hwhm = len * 0.25 ;
|
---|
| 1298 | for ( Int i = 0 ; i < len ; i++ ) {
|
---|
[2356] | 1299 | Double val = Double(i) / hwhm ;
|
---|
| 1300 | convFunc(i) = exp( -log(2)*val*val ) ;
|
---|
| 1301 | }
|
---|
| 1302 | }
|
---|
| 1303 |
|
---|
| 1304 | void STGrid::pbFunc( Vector<Float> &convFunc )
|
---|
| 1305 | {
|
---|
| 1306 | convFunc = 0.0 ;
|
---|
| 1307 | }
|
---|
| 1308 |
|
---|
| 1309 | void STGrid::setConvFunc( Vector<Float> &convFunc )
|
---|
| 1310 | {
|
---|
| 1311 | convSupport_ = userSupport_ ;
|
---|
| 1312 | if ( convType_ == "BOX" ) {
|
---|
| 1313 | if ( convSupport_ < 0 )
|
---|
| 1314 | convSupport_ = 0 ;
|
---|
| 1315 | Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
|
---|
| 1316 | convFunc.resize( convSize ) ;
|
---|
| 1317 | boxFunc( convFunc, convSize ) ;
|
---|
| 1318 | }
|
---|
| 1319 | else if ( convType_ == "SF" ) {
|
---|
| 1320 | if ( convSupport_ < 0 )
|
---|
| 1321 | convSupport_ = 3 ;
|
---|
| 1322 | Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
|
---|
| 1323 | convFunc.resize( convSize ) ;
|
---|
| 1324 | spheroidalFunc( convFunc ) ;
|
---|
| 1325 | }
|
---|
| 1326 | else if ( convType_ == "GAUSS" ) {
|
---|
[2363] | 1327 | // to take into account Gaussian tail
|
---|
[2356] | 1328 | if ( convSupport_ < 0 )
|
---|
[2363] | 1329 | convSupport_ = 12 ; // 3 * 4
|
---|
| 1330 | else {
|
---|
| 1331 | convSupport_ = userSupport_ * 4 ;
|
---|
| 1332 | }
|
---|
[2356] | 1333 | Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
|
---|
| 1334 | convFunc.resize( convSize ) ;
|
---|
| 1335 | gaussFunc( convFunc ) ;
|
---|
| 1336 | }
|
---|
[2359] | 1337 | else if ( convType_ == "PB" ) {
|
---|
| 1338 | if ( convSupport_ < 0 )
|
---|
| 1339 | convSupport_ = 0 ;
|
---|
[2356] | 1340 | pbFunc( convFunc ) ;
|
---|
[2359] | 1341 | }
|
---|
[2356] | 1342 | else {
|
---|
| 1343 | throw AipsError( "Unsupported convolution function" ) ;
|
---|
| 1344 | }
|
---|
| 1345 | }
|
---|
| 1346 |
|
---|
| 1347 | string STGrid::saveData( string outfile )
|
---|
| 1348 | {
|
---|
[2368] | 1349 | LogIO os( LogOrigin("STGrid", "saveData", WHERE) ) ;
|
---|
| 1350 | double t0, t1 ;
|
---|
| 1351 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 1352 |
|
---|
[2393] | 1353 | //Int polno = 0 ;
|
---|
[2371] | 1354 | String outfile_ ;
|
---|
[2356] | 1355 | if ( outfile.size() == 0 ) {
|
---|
[2389] | 1356 | if ( infileList_[0].lastchar() == '/' ) {
|
---|
| 1357 | outfile_ = infileList_[0].substr( 0, infileList_[0].size()-1 ) ;
|
---|
[2356] | 1358 | }
|
---|
| 1359 | else {
|
---|
[2389] | 1360 | outfile_ = infileList_[0] ;
|
---|
[2356] | 1361 | }
|
---|
| 1362 | outfile_ += ".grid" ;
|
---|
| 1363 | }
|
---|
| 1364 | else {
|
---|
| 1365 | outfile_ = outfile ;
|
---|
| 1366 | }
|
---|
[2371] | 1367 | Table tab ;
|
---|
| 1368 | prepareTable( tab, outfile_ ) ;
|
---|
[2356] | 1369 | IPosition dshape = data_.shape() ;
|
---|
[2361] | 1370 | Int nrow = nx_ * ny_ * npol_ ;
|
---|
| 1371 | tab.rwKeywordSet().define( "nPol", npol_ ) ;
|
---|
[2360] | 1372 | tab.addRow( nrow ) ;
|
---|
[2356] | 1373 | Vector<Double> cpix( 2 ) ;
|
---|
| 1374 | cpix(0) = Double( nx_ - 1 ) * 0.5 ;
|
---|
| 1375 | cpix(1) = Double( ny_ - 1 ) * 0.5 ;
|
---|
| 1376 | Vector<Double> dir( 2 ) ;
|
---|
| 1377 | ArrayColumn<Double> directionCol( tab, "DIRECTION" ) ;
|
---|
| 1378 | ArrayColumn<Float> spectraCol( tab, "SPECTRA" ) ;
|
---|
| 1379 | ScalarColumn<uInt> polnoCol( tab, "POLNO" ) ;
|
---|
| 1380 | Int irow = 0 ;
|
---|
[2371] | 1381 | Vector<Float> sp( nchan_ ) ;
|
---|
| 1382 | Bool bsp, bdata ;
|
---|
| 1383 | const Float *data_p = data_.getStorage( bdata ) ;
|
---|
| 1384 | Float *wsp_p, *sp_p ;
|
---|
| 1385 | const Float *wdata_p = data_p ;
|
---|
| 1386 | long step = nx_ * ny_ * npol_ ;
|
---|
| 1387 | long offset ;
|
---|
[2356] | 1388 | for ( Int iy = 0 ; iy < ny_ ; iy++ ) {
|
---|
[2371] | 1389 | dir(1) = center_(1) - ( cpix(1) - (Double)iy ) * celly_ ;
|
---|
[2356] | 1390 | for ( Int ix = 0 ; ix < nx_ ; ix++ ) {
|
---|
[2371] | 1391 | dir(0) = center_(0) - ( cpix(0) - (Double)ix ) * cellx_ ;
|
---|
[2361] | 1392 | for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
|
---|
[2371] | 1393 | offset = ix + iy * nx_ + ipol * nx_ * ny_ ;
|
---|
| 1394 | //os << "offset = " << offset << LogIO::POST ;
|
---|
| 1395 | sp_p = sp.getStorage( bsp ) ;
|
---|
| 1396 | wsp_p = sp_p ;
|
---|
| 1397 | wdata_p = data_p + offset ;
|
---|
| 1398 | for ( Int ichan = 0 ; ichan < nchan_ ; ichan++ ) {
|
---|
| 1399 | *wsp_p = *wdata_p ;
|
---|
| 1400 | wsp_p++ ;
|
---|
| 1401 | wdata_p += step ;
|
---|
| 1402 | }
|
---|
| 1403 | sp.putStorage( sp_p, bsp ) ;
|
---|
[2356] | 1404 | spectraCol.put( irow, sp ) ;
|
---|
| 1405 | directionCol.put( irow, dir ) ;
|
---|
[2360] | 1406 | polnoCol.put( irow, pollist_[ipol] ) ;
|
---|
[2356] | 1407 | irow++ ;
|
---|
| 1408 | }
|
---|
| 1409 | }
|
---|
| 1410 | }
|
---|
[2371] | 1411 | data_.freeStorage( data_p, bdata ) ;
|
---|
[2368] | 1412 |
|
---|
| 1413 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 1414 | os << "saveData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
[2374] | 1415 |
|
---|
[2356] | 1416 | return outfile_ ;
|
---|
| 1417 | }
|
---|
| 1418 |
|
---|
[2371] | 1419 | void STGrid::prepareTable( Table &tab, String &name )
|
---|
| 1420 | {
|
---|
[2389] | 1421 | Table t( infileList_[0], Table::Old ) ;
|
---|
[2371] | 1422 | t.deepCopy( name, Table::New, False, t.endianFormat(), True ) ;
|
---|
| 1423 | tab = Table( name, Table::Update ) ;
|
---|
[2356] | 1424 | }
|
---|
[2379] | 1425 |
|
---|
[2371] | 1426 | }
|
---|