[2356] | 1 | #include <iostream> |
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| 2 | #include <fstream> |
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[2396] | 3 | #include <cfloat> |
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[2356] | 4 | |
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| 5 | #include <casa/BasicSL/String.h> |
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| 6 | #include <casa/Arrays/Vector.h> |
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| 7 | #include <casa/Arrays/Matrix.h> |
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| 8 | #include <casa/Arrays/Cube.h> |
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| 9 | #include <casa/Arrays/ArrayMath.h> |
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[2375] | 10 | #include <casa/Arrays/ArrayIter.h> |
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[2356] | 11 | #include <casa/Quanta/Quantum.h> |
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| 12 | #include <casa/Quanta/QuantumHolder.h> |
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| 13 | #include <casa/Utilities/CountedPtr.h> |
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[2361] | 14 | #include <casa/Logging/LogIO.h> |
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[2356] | 15 | |
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| 16 | #include <tables/Tables/Table.h> |
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[2360] | 17 | #include <tables/Tables/TableRecord.h> |
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| 18 | #include <tables/Tables/ExprNode.h> |
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[2356] | 19 | #include <tables/Tables/ScalarColumn.h> |
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| 20 | #include <tables/Tables/ArrayColumn.h> |
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[2379] | 21 | #include <tables/Tables/TableIter.h> |
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[2356] | 22 | |
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| 23 | #include <measures/Measures/MDirection.h> |
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| 24 | |
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[2364] | 25 | #include <MathUtils.h> |
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| 26 | |
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[2356] | 27 | #include "STGrid.h" |
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| 28 | |
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| 29 | using namespace std ; |
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[2393] | 30 | using namespace concurrent ; |
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[2356] | 31 | using namespace casa ; |
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| 32 | using namespace asap ; |
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| 33 | |
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| 34 | namespace asap { |
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| 35 | |
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[2384] | 36 | // for performance check |
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| 37 | double eToInt = 0.0 ; |
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| 38 | double eGetWeight = 0.0 ; |
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| 39 | |
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[2356] | 40 | // constructor |
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| 41 | STGrid::STGrid() |
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[2393] | 42 | : vshape_( 1 ), wshape_( 2 ), dshape_( 2 ) |
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[2356] | 43 | { |
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| 44 | init() ; |
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| 45 | } |
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| 46 | |
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| 47 | STGrid::STGrid( const string infile ) |
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[2393] | 48 | : vshape_( 1 ), wshape_( 2 ), dshape_( 2 ) |
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[2356] | 49 | { |
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| 50 | init() ; |
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| 51 | |
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| 52 | setFileIn( infile ) ; |
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| 53 | } |
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| 54 | |
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[2390] | 55 | STGrid::STGrid( const vector<string> infile ) |
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| 56 | { |
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| 57 | init() ; |
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| 58 | |
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| 59 | setFileList( infile ) ; |
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| 60 | } |
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| 61 | |
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[2356] | 62 | void STGrid::init() |
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| 63 | { |
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[2362] | 64 | ifno_ = -1 ; |
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[2356] | 65 | nx_ = -1 ; |
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| 66 | ny_ = -1 ; |
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[2361] | 67 | npol_ = 0 ; |
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| 68 | nchan_ = 0 ; |
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| 69 | nrow_ = 0 ; |
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[2356] | 70 | cellx_ = 0.0 ; |
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| 71 | celly_ = 0.0 ; |
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| 72 | center_ = Vector<Double> ( 2, 0.0 ) ; |
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| 73 | convType_ = "BOX" ; |
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[2361] | 74 | wtype_ = "UNIFORM" ; |
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[2356] | 75 | convSupport_ = -1 ; |
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| 76 | userSupport_ = -1 ; |
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| 77 | convSampling_ = 100 ; |
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[2379] | 78 | nprocessed_ = 0 ; |
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| 79 | nchunk_ = 0 ; |
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[2388] | 80 | |
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| 81 | // initialize user input |
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| 82 | nxUI_ = -1 ; |
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| 83 | nyUI_ = -1 ; |
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| 84 | cellxUI_ = "" ; |
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| 85 | cellyUI_ = "" ; |
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| 86 | centerUI_ = "" ; |
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[2396] | 87 | doclip_ = False ; |
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[2356] | 88 | } |
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| 89 | |
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| 90 | void STGrid::setFileIn( const string infile ) |
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| 91 | { |
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[2393] | 92 | nfile_ = 1 ; |
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[2356] | 93 | String name( infile ) ; |
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[2393] | 94 | infileList_.resize( nfile_ ) ; |
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| 95 | infileList_[0] = String(infile) ; |
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[2356] | 96 | } |
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| 97 | |
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[2390] | 98 | void STGrid::setFileList( const vector<string> infile ) |
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| 99 | { |
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| 100 | nfile_ = infile.size() ; |
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| 101 | infileList_.resize( nfile_ ) ; |
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| 102 | for ( uInt i = 0 ; i < nfile_ ; i++ ) { |
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| 103 | infileList_[i] = infile[i] ; |
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| 104 | } |
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| 105 | } |
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| 106 | |
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[2360] | 107 | void STGrid::setPolList( vector<unsigned int> pols ) |
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| 108 | { |
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| 109 | pollist_.assign( Vector<uInt>( pols ) ) ; |
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| 110 | } |
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| 111 | |
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[2364] | 112 | void STGrid::setScanList( vector<unsigned int> scans ) |
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| 113 | { |
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| 114 | scanlist_.assign( Vector<uInt>( scans ) ) ; |
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| 115 | } |
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| 116 | |
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[2361] | 117 | void STGrid::setWeight( const string wType ) |
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| 118 | { |
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| 119 | wtype_ = String( wType ) ; |
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| 120 | wtype_.upcase() ; |
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| 121 | } |
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| 122 | |
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[2356] | 123 | void STGrid::defineImage( int nx, |
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| 124 | int ny, |
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| 125 | string scellx, |
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| 126 | string scelly, |
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| 127 | string scenter ) |
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| 128 | { |
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[2388] | 129 | nxUI_ = (Int)nx ; |
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| 130 | nyUI_ = (Int)ny ; |
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| 131 | cellxUI_ = String( scellx ) ; |
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| 132 | cellyUI_ = String( scelly ) ; |
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| 133 | centerUI_ = String( scenter ) ; |
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[2356] | 134 | } |
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| 135 | |
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[2364] | 136 | void STGrid::setFunc( string convType, |
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| 137 | int convSupport ) |
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[2356] | 138 | { |
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| 139 | convType_ = String( convType ) ; |
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| 140 | convType_.upcase() ; |
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| 141 | userSupport_ = (Int)convSupport ; |
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| 142 | } |
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| 143 | |
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| 144 | #define NEED_UNDERSCORES |
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| 145 | #if defined(NEED_UNDERSCORES) |
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| 146 | #define ggridsd ggridsd_ |
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| 147 | #endif |
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| 148 | extern "C" { |
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| 149 | void ggridsd(Double*, |
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| 150 | const Complex*, |
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| 151 | Int*, |
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| 152 | Int*, |
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| 153 | Int*, |
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| 154 | const Int*, |
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| 155 | const Int*, |
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| 156 | const Float*, |
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| 157 | Int*, |
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| 158 | Int*, |
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| 159 | Complex*, |
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| 160 | Float*, |
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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 | Int*, |
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| 166 | Int*, |
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| 167 | Float*, |
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| 168 | Int*, |
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| 169 | Int*, |
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| 170 | Double*); |
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| 171 | } |
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[2384] | 172 | void STGrid::call_ggridsd( Array<Double> &xypos, |
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| 173 | Array<Complex> &spectra, |
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| 174 | Int &nvispol, |
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| 175 | Int &nvischan, |
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| 176 | Array<Int> &flagtra, |
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| 177 | Array<Int> &flagrow, |
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| 178 | Array<Float> &weight, |
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| 179 | Int &nrow, |
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| 180 | Int &irow, |
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| 181 | Array<Complex> &gdata, |
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| 182 | Array<Float> &gwgt, |
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| 183 | Int &nx, |
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| 184 | Int &ny, |
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| 185 | Int &npol, |
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| 186 | Int &nchan, |
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| 187 | Int &support, |
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| 188 | Int &sampling, |
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| 189 | Vector<Float> &convFunc, |
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[2381] | 190 | Int *chanMap, |
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| 191 | Int *polMap ) |
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| 192 | { |
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| 193 | // parameters for gridding |
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| 194 | Int idopsf = 0 ; |
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[2384] | 195 | Int len = npol*nchan ; |
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[2381] | 196 | Double *sumw_p = new Double[len] ; |
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| 197 | { |
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| 198 | Double *work_p = sumw_p ; |
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| 199 | for ( Int i = 0 ; i < len ; i++ ) { |
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| 200 | *work_p = 0.0 ; |
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| 201 | work_p++ ; |
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| 202 | } |
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| 203 | } |
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| 204 | |
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[2384] | 205 | // prepare pointer |
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| 206 | Bool deletePos, deleteData, deleteWgt, deleteFlag, deleteFlagR, deleteConv, deleteDataG, deleteWgtG ; |
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| 207 | Double *xy_p = xypos.getStorage( deletePos ) ; |
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| 208 | const Complex *values_p = spectra.getStorage( deleteData ) ; |
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| 209 | const Int *flag_p = flagtra.getStorage( deleteFlag ) ; |
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| 210 | const Int *rflag_p = flagrow.getStorage( deleteFlagR ) ; |
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| 211 | const Float *wgt_p = weight.getStorage( deleteWgt ) ; |
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| 212 | Complex *grid_p = gdata.getStorage( deleteDataG ) ; |
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| 213 | Float *wgrid_p = gwgt.getStorage( deleteWgtG ) ; |
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| 214 | Float *conv_p = convFunc.getStorage( deleteConv ) ; |
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[2385] | 215 | |
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| 216 | // pass copy of irow to ggridsd since it will be modified in theroutine |
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| 217 | Int irowCopy = irow ; |
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[2384] | 218 | |
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[2381] | 219 | // call ggridsd |
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[2384] | 220 | ggridsd( xy_p, |
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| 221 | values_p, |
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| 222 | &nvispol, |
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| 223 | &nvischan, |
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[2381] | 224 | &idopsf, |
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[2384] | 225 | flag_p, |
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| 226 | rflag_p, |
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| 227 | wgt_p, |
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| 228 | &nrow, |
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[2385] | 229 | &irowCopy, |
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[2384] | 230 | grid_p, |
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| 231 | wgrid_p, |
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| 232 | &nx, |
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| 233 | &ny, |
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| 234 | &npol, |
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| 235 | &nchan, |
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| 236 | &support, |
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| 237 | &sampling, |
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| 238 | conv_p, |
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[2381] | 239 | chanMap, |
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| 240 | polMap, |
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| 241 | sumw_p ) ; |
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| 242 | |
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| 243 | // finalization |
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[2384] | 244 | xypos.putStorage( xy_p, deletePos ) ; |
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| 245 | spectra.freeStorage( values_p, deleteData ) ; |
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| 246 | flagtra.freeStorage( flag_p, deleteFlag ) ; |
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| 247 | flagrow.freeStorage( rflag_p, deleteFlagR ) ; |
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| 248 | weight.freeStorage( wgt_p, deleteWgt ) ; |
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| 249 | gdata.putStorage( grid_p, deleteDataG ) ; |
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| 250 | gwgt.putStorage( wgrid_p, deleteWgtG ) ; |
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| 251 | convFunc.putStorage( conv_p, deleteConv ) ; |
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[2381] | 252 | delete sumw_p ; |
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| 253 | } |
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| 254 | |
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[2396] | 255 | #define NEED_UNDERSCORES |
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| 256 | #if defined(NEED_UNDERSCORES) |
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| 257 | #define ggridsd2 ggridsd2_ |
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| 258 | #endif |
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| 259 | extern "C" { |
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| 260 | void ggridsd2(Double*, |
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| 261 | const Complex*, |
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| 262 | Int*, |
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| 263 | Int*, |
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| 264 | Int*, |
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| 265 | const Int*, |
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| 266 | const Int*, |
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| 267 | const Float*, |
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| 268 | Int*, |
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| 269 | Int*, |
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| 270 | Complex*, |
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| 271 | Float*, |
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| 272 | Int*, |
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| 273 | Complex*, |
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| 274 | Float*, |
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| 275 | Float*, |
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| 276 | Complex*, |
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| 277 | Float*, |
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| 278 | Float*, |
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| 279 | Int*, |
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| 280 | Int*, |
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| 281 | Int *, |
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| 282 | Int *, |
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| 283 | Int*, |
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| 284 | Int*, |
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| 285 | Float*, |
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| 286 | Int*, |
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| 287 | Int*, |
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| 288 | Double*); |
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| 289 | } |
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| 290 | void STGrid::call_ggridsd2( Array<Double> &xypos, |
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| 291 | Array<Complex> &spectra, |
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| 292 | Int &nvispol, |
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| 293 | Int &nvischan, |
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| 294 | Array<Int> &flagtra, |
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| 295 | Array<Int> &flagrow, |
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| 296 | Array<Float> &weight, |
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| 297 | Int &nrow, |
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| 298 | Int &irow, |
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| 299 | Array<Complex> &gdata, |
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| 300 | Array<Float> &gwgt, |
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| 301 | Array<Int> &npoints, |
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| 302 | Array<Complex> &clipmin, |
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| 303 | Array<Float> &clipwmin, |
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| 304 | Array<Float> &clipcmin, |
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| 305 | Array<Complex> &clipmax, |
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| 306 | Array<Float> &clipwmax, |
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| 307 | Array<Float> &clipcmax, |
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| 308 | Int &nx, |
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| 309 | Int &ny, |
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| 310 | Int &npol, |
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| 311 | Int &nchan, |
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| 312 | Int &support, |
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| 313 | Int &sampling, |
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| 314 | Vector<Float> &convFunc, |
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| 315 | Int *chanMap, |
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| 316 | Int *polMap ) |
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| 317 | { |
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| 318 | // parameters for gridding |
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| 319 | Int idopsf = 0 ; |
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| 320 | Int len = npol*nchan ; |
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| 321 | Double *sumw_p = new Double[len] ; |
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| 322 | { |
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| 323 | Double *work_p = sumw_p ; |
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| 324 | for ( Int i = 0 ; i < len ; i++ ) { |
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| 325 | *work_p = 0.0 ; |
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| 326 | work_p++ ; |
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| 327 | } |
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| 328 | } |
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[2383] | 329 | |
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[2396] | 330 | // prepare pointer |
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| 331 | Bool deletePos, deleteData, deleteWgt, deleteFlag, deleteFlagR, deleteConv, deleteDataG, deleteWgtG, deleteNpts, deleteCMin, deleteCWMin, deleteCCMin, deleteCMax, deleteCWMax, deleteCCMax ; |
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| 332 | Double *xy_p = xypos.getStorage( deletePos ) ; |
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| 333 | const Complex *values_p = spectra.getStorage( deleteData ) ; |
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| 334 | const Int *flag_p = flagtra.getStorage( deleteFlag ) ; |
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| 335 | const Int *rflag_p = flagrow.getStorage( deleteFlagR ) ; |
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| 336 | const Float *wgt_p = weight.getStorage( deleteWgt ) ; |
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| 337 | Complex *grid_p = gdata.getStorage( deleteDataG ) ; |
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| 338 | Float *wgrid_p = gwgt.getStorage( deleteWgtG ) ; |
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| 339 | Float *conv_p = convFunc.getStorage( deleteConv ) ; |
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| 340 | Int *npts_p = npoints.getStorage( deleteNpts ) ; |
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| 341 | Complex *cmin_p = clipmin.getStorage( deleteCMin ) ; |
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| 342 | Float *cwmin_p = clipwmin.getStorage( deleteCWMin ) ; |
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| 343 | Float *ccmin_p = clipcmin.getStorage( deleteCCMin ) ; |
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| 344 | Complex *cmax_p = clipmax.getStorage( deleteCMax ) ; |
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| 345 | Float *cwmax_p = clipwmax.getStorage( deleteCWMax ) ; |
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| 346 | Float *ccmax_p = clipcmax.getStorage( deleteCCMax ) ; |
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| 347 | |
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| 348 | // pass copy of irow to ggridsd since it will be modified in theroutine |
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| 349 | Int irowCopy = irow ; |
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| 350 | |
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| 351 | // call ggridsd |
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| 352 | ggridsd2( xy_p, |
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| 353 | values_p, |
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| 354 | &nvispol, |
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| 355 | &nvischan, |
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| 356 | &idopsf, |
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| 357 | flag_p, |
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| 358 | rflag_p, |
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| 359 | wgt_p, |
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| 360 | &nrow, |
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| 361 | &irowCopy, |
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| 362 | grid_p, |
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| 363 | wgrid_p, |
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| 364 | npts_p, |
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| 365 | cmin_p, |
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| 366 | cwmin_p, |
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| 367 | ccmin_p, |
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| 368 | cmax_p, |
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| 369 | cwmax_p, |
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| 370 | ccmax_p, |
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| 371 | &nx, |
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| 372 | &ny, |
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| 373 | &npol, |
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| 374 | &nchan, |
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| 375 | &support, |
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| 376 | &sampling, |
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| 377 | conv_p, |
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| 378 | chanMap, |
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| 379 | polMap, |
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| 380 | sumw_p ) ; |
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| 381 | |
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| 382 | // finalization |
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| 383 | xypos.putStorage( xy_p, deletePos ) ; |
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| 384 | spectra.freeStorage( values_p, deleteData ) ; |
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| 385 | flagtra.freeStorage( flag_p, deleteFlag ) ; |
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| 386 | flagrow.freeStorage( rflag_p, deleteFlagR ) ; |
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| 387 | weight.freeStorage( wgt_p, deleteWgt ) ; |
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| 388 | gdata.putStorage( grid_p, deleteDataG ) ; |
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| 389 | gwgt.putStorage( wgrid_p, deleteWgtG ) ; |
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| 390 | convFunc.putStorage( conv_p, deleteConv ) ; |
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| 391 | clipmin.putStorage( cmin_p, deleteCMin ) ; |
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| 392 | clipwmin.putStorage( cwmin_p, deleteCWMin ) ; |
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| 393 | clipcmin.putStorage( ccmin_p, deleteCCMin ) ; |
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| 394 | clipmax.putStorage( cmax_p, deleteCMax ) ; |
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| 395 | clipwmax.putStorage( cwmax_p, deleteCWMax ) ; |
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| 396 | clipcmax.putStorage( ccmax_p, deleteCCMax ) ; |
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| 397 | delete sumw_p ; |
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| 398 | } |
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| 399 | |
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[2383] | 400 | void STGrid::grid() |
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| 401 | { |
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[2384] | 402 | LogIO os( LogOrigin("STGrid", "grid", WHERE) ) ; |
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[2385] | 403 | double t0,t1 ; |
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[2384] | 404 | |
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[2383] | 405 | // data selection |
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[2385] | 406 | t0 = mathutil::gettimeofday_sec() ; |
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[2383] | 407 | selectData() ; |
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[2385] | 408 | t1 = mathutil::gettimeofday_sec() ; |
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| 409 | os << "selectData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ; |
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| 410 | |
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[2388] | 411 | setupGrid() ; |
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[2383] | 412 | setupArray() ; |
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| 413 | |
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| 414 | if ( wtype_.compare("UNIFORM") != 0 && |
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| 415 | wtype_.compare("TINT") != 0 && |
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| 416 | wtype_.compare("TSYS") != 0 && |
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| 417 | wtype_.compare("TINTSYS") != 0 ) { |
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| 418 | LogIO os( LogOrigin("STGrid", "grid", WHERE) ) ; |
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| 419 | os << LogIO::WARN << "Unsupported weight type '" << wtype_ << "', apply UNIFORM weight" << LogIO::POST ; |
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| 420 | wtype_ = "UNIFORM" ; |
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| 421 | } |
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| 422 | |
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[2384] | 423 | // grid parameter |
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| 424 | os << LogIO::DEBUGGING ; |
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| 425 | os << "----------" << endl ; |
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| 426 | os << "Data selection summary" << endl ; |
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| 427 | os << " ifno = " << ifno_ << endl ; |
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| 428 | os << " pollist = " << pollist_ << endl ; |
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| 429 | os << " scanlist = " << scanlist_ << endl ; |
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| 430 | os << "----------" << endl ; |
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| 431 | os << "Grid parameter summary" << endl ; |
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| 432 | os << " (nx,ny) = (" << nx_ << "," << ny_ << ")" << endl ; |
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| 433 | os << " (cellx,celly) = (" << cellx_ << "," << celly_ << ")" << endl ; |
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| 434 | os << " center = " << center_ << endl ; |
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| 435 | os << " weighting = " << wtype_ << endl ; |
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[2386] | 436 | os << " convfunc = " << convType_ << " with support " << convSupport_ << endl ; |
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[2396] | 437 | os << " doclip = " << (doclip_?"True":"False") << endl ; |
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[2384] | 438 | os << "----------" << LogIO::POST ; |
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| 439 | os << LogIO::NORMAL ; |
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| 440 | |
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[2383] | 441 | Bool doAll = examine() ; |
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| 442 | |
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| 443 | if ( doAll ) |
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| 444 | gridPerPol() ; |
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[2396] | 445 | else if ( doclip_ ) |
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| 446 | gridPerRowWithClipping() ; |
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[2383] | 447 | else |
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| 448 | gridPerRow() ; |
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[2396] | 449 | |
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[2383] | 450 | } |
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| 451 | |
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| 452 | Bool STGrid::examine() |
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| 453 | { |
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| 454 | // TODO: nchunk_ must be determined from nchan_, npol_, and (nx_,ny_) |
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| 455 | // by considering data size to be allocated for ggridsd input/output |
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[2385] | 456 | nchunk_ = 400 ; |
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[2383] | 457 | Bool b = nchunk_ >= nrow_ ; |
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| 458 | nchunk_ = min( nchunk_, nrow_ ) ; |
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[2393] | 459 | vshape_ = IPosition( 1, nchunk_ ) ; |
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| 460 | wshape_ = IPosition( 2, nchan_, nchunk_ ) ; |
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| 461 | dshape_ = IPosition( 2, 2, nchunk_ ) ; |
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[2383] | 462 | return b ; |
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| 463 | } |
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| 464 | |
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[2393] | 465 | struct STGChunk { |
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| 466 | Int nrow ; |
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| 467 | Array<Complex> spectra; |
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| 468 | Array<Int> flagtra; |
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| 469 | Array<Int> rflag; |
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| 470 | Array<Float> weight; |
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| 471 | Array<Double> direction; |
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| 472 | STGChunk(IPosition const &wshape, IPosition const &vshape, |
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| 473 | IPosition const &dshape) |
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| 474 | : spectra(wshape), flagtra(wshape), rflag(vshape), weight(wshape), |
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| 475 | direction(dshape) |
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| 476 | { } |
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| 477 | }; |
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| 478 | |
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| 479 | struct STCommonData { |
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| 480 | Int gnx; |
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| 481 | Int gny; |
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| 482 | Int *chanMap; |
---|
| 483 | Vector<Float> convFunc ; |
---|
| 484 | Array<Complex> gdataArrC; |
---|
| 485 | Array<Float> gwgtArr; |
---|
| 486 | STCommonData(IPosition const &gshape, Array<Float> const &data) |
---|
| 487 | : gdataArrC(gshape, 0.0), gwgtArr(data) {} |
---|
| 488 | }; |
---|
| 489 | |
---|
[2396] | 490 | struct STCommonDataWithClipping { |
---|
| 491 | Int gnx; |
---|
| 492 | Int gny; |
---|
| 493 | Int *chanMap; |
---|
| 494 | Vector<Float> convFunc ; |
---|
| 495 | Array<Complex> gdataArrC; |
---|
| 496 | Array<Float> gwgtArr; |
---|
| 497 | Array<Int> npoints ; |
---|
| 498 | Array<Complex> clipMin ; |
---|
| 499 | Array<Float> clipWMin ; |
---|
| 500 | Array<Float> clipCMin ; |
---|
| 501 | Array<Complex> clipMax ; |
---|
| 502 | Array<Float> clipWMax ; |
---|
| 503 | Array<Float> clipCMax ; |
---|
| 504 | STCommonDataWithClipping(IPosition const &gshape, |
---|
| 505 | IPosition const &pshape, |
---|
| 506 | Array<Float> const &data) |
---|
| 507 | : gdataArrC(gshape, 0.0), |
---|
| 508 | gwgtArr(data), |
---|
| 509 | npoints(pshape, 0), |
---|
| 510 | clipMin(gshape, Complex(FLT_MAX,0.0)), |
---|
| 511 | clipWMin(gshape, 0.0), |
---|
| 512 | clipCMin(gshape, 0.0), |
---|
| 513 | clipMax(gshape, Complex(-FLT_MAX,0.0)), |
---|
| 514 | clipWMax(gshape, 0.0), |
---|
| 515 | clipCMax(gshape, 0.0) |
---|
| 516 | {} |
---|
| 517 | }; |
---|
| 518 | |
---|
[2393] | 519 | #define DO_AHEAD 3 |
---|
| 520 | |
---|
| 521 | struct STContext { |
---|
| 522 | STCommonData &common; |
---|
| 523 | FIFO<STGChunk *, DO_AHEAD> queue; |
---|
| 524 | STGrid *const self; |
---|
| 525 | const Int pol; |
---|
| 526 | STContext(STGrid *obj, STCommonData &common, Int pol) |
---|
| 527 | : self(obj), common(common), pol(pol) {} |
---|
| 528 | }; |
---|
| 529 | |
---|
[2396] | 530 | struct STContextWithClipping { |
---|
| 531 | STCommonDataWithClipping &common; |
---|
| 532 | FIFO<STGChunk *, DO_AHEAD> queue; |
---|
| 533 | STGrid *const self; |
---|
| 534 | const Int pol; |
---|
| 535 | STContextWithClipping(STGrid *obj, STCommonDataWithClipping &common, Int pol) |
---|
| 536 | : self(obj), common(common), pol(pol) {} |
---|
| 537 | }; |
---|
[2393] | 538 | |
---|
[2396] | 539 | |
---|
[2393] | 540 | bool STGrid::produceChunk(void *ctx) throw(PCException) |
---|
| 541 | { |
---|
| 542 | STContext &context = *(STContext *)ctx; |
---|
| 543 | if ( context.self->nprocessed_ >= context.self->nrow_ ) { |
---|
| 544 | return false; |
---|
| 545 | } |
---|
| 546 | STGChunk *chunk = new STGChunk(context.self->wshape_, |
---|
| 547 | context.self->vshape_, |
---|
| 548 | context.self->dshape_); |
---|
| 549 | |
---|
| 550 | double t0 = mathutil::gettimeofday_sec() ; |
---|
| 551 | chunk->nrow = context.self->getDataChunk( |
---|
| 552 | context.self->wshape_, context.self->vshape_, context.self->dshape_, |
---|
| 553 | chunk->spectra, chunk->direction, |
---|
| 554 | chunk->flagtra, chunk->rflag, chunk->weight); |
---|
| 555 | double t1 = mathutil::gettimeofday_sec() ; |
---|
| 556 | context.self->eGetData_ += t1-t0 ; |
---|
| 557 | |
---|
| 558 | context.queue.lock(); |
---|
| 559 | context.queue.put(chunk); |
---|
| 560 | context.queue.unlock(); |
---|
| 561 | return true; |
---|
| 562 | } |
---|
| 563 | |
---|
| 564 | void STGrid::consumeChunk(void *ctx) throw(PCException) |
---|
| 565 | { |
---|
| 566 | STContext &context = *(STContext *)ctx; |
---|
| 567 | STGChunk *chunk = NULL; |
---|
| 568 | try { |
---|
| 569 | context.queue.lock(); |
---|
| 570 | chunk = context.queue.get(); |
---|
| 571 | context.queue.unlock(); |
---|
| 572 | } catch (FullException &e) { |
---|
| 573 | context.queue.unlock(); |
---|
| 574 | // TODO: log error |
---|
| 575 | throw PCException(); |
---|
| 576 | } |
---|
| 577 | |
---|
| 578 | double t0, t1 ; |
---|
| 579 | // world -> pixel |
---|
| 580 | Array<Double> xypos( context.self->dshape_ ) ; |
---|
| 581 | t0 = mathutil::gettimeofday_sec() ; |
---|
| 582 | context.self->toPixel( chunk->direction, xypos ) ; |
---|
| 583 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 584 | context.self->eToPixel_ += t1-t0 ; |
---|
| 585 | |
---|
| 586 | // call ggridsd |
---|
| 587 | Int nvispol = 1 ; |
---|
| 588 | Int irow = -1 ; |
---|
| 589 | t0 = mathutil::gettimeofday_sec() ; |
---|
| 590 | context.self->call_ggridsd( xypos, |
---|
| 591 | chunk->spectra, |
---|
| 592 | nvispol, |
---|
| 593 | context.self->nchan_, |
---|
| 594 | chunk->flagtra, |
---|
| 595 | chunk->rflag, |
---|
| 596 | chunk->weight, |
---|
| 597 | chunk->nrow, |
---|
| 598 | irow, |
---|
| 599 | context.common.gdataArrC, |
---|
| 600 | context.common.gwgtArr, |
---|
| 601 | context.common.gnx, |
---|
| 602 | context.common.gny, |
---|
| 603 | context.self->npol_, |
---|
| 604 | context.self->nchan_, |
---|
| 605 | context.self->convSupport_, |
---|
| 606 | context.self->convSampling_, |
---|
| 607 | context.common.convFunc, |
---|
| 608 | context.common.chanMap, |
---|
| 609 | (Int*)&context.pol ) ; |
---|
| 610 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 611 | context.self->eGGridSD_ += t1-t0 ; |
---|
| 612 | |
---|
| 613 | delete chunk; |
---|
| 614 | } |
---|
| 615 | |
---|
[2378] | 616 | void STGrid::gridPerRow() |
---|
| 617 | { |
---|
| 618 | LogIO os( LogOrigin("STGrid", "gridPerRow", WHERE) ) ; |
---|
| 619 | double t0, t1 ; |
---|
| 620 | |
---|
| 621 | |
---|
[2379] | 622 | // grid data |
---|
| 623 | // Extend grid plane with convSupport_ |
---|
[2393] | 624 | // Int gnx = nx_+convSupport_*2 ; |
---|
| 625 | // Int gny = ny_+convSupport_*2 ; |
---|
| 626 | Int gnx = nx_; |
---|
| 627 | Int gny = ny_; |
---|
| 628 | |
---|
[2378] | 629 | IPosition gshape( 4, gnx, gny, npol_, nchan_ ) ; |
---|
| 630 | // 2011/12/20 TN |
---|
| 631 | // data_ and gwgtArr share storage |
---|
| 632 | data_.resize( gshape ) ; |
---|
| 633 | data_ = 0.0 ; |
---|
[2393] | 634 | STCommonData common = STCommonData(gshape, data_); |
---|
| 635 | common.gnx = gnx ; |
---|
| 636 | common.gny = gny ; |
---|
[2378] | 637 | |
---|
[2379] | 638 | // parameters for gridding |
---|
| 639 | Int *chanMap = new Int[nchan_] ; |
---|
[2393] | 640 | for ( Int i = 0 ; i < nchan_ ; i++ ) { |
---|
| 641 | chanMap[i] = i ; |
---|
[2379] | 642 | } |
---|
[2393] | 643 | common.chanMap = chanMap; |
---|
[2379] | 644 | |
---|
[2393] | 645 | // convolution kernel |
---|
| 646 | t0 = mathutil::gettimeofday_sec() ; |
---|
| 647 | setConvFunc( common.convFunc ) ; |
---|
| 648 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 649 | os << "setConvFunc: elapsed time is " << t1-t0 << " sec." << LogIO::POST ; |
---|
| 650 | |
---|
[2379] | 651 | // for performance check |
---|
[2393] | 652 | eGetData_ = 0.0 ; |
---|
| 653 | eToPixel_ = 0.0 ; |
---|
| 654 | eGGridSD_ = 0.0 ; |
---|
[2384] | 655 | double eInitPol = 0.0 ; |
---|
[2379] | 656 | |
---|
[2393] | 657 | Broker broker = Broker(produceChunk, consumeChunk); |
---|
[2390] | 658 | for ( uInt ifile = 0 ; ifile < nfile_ ; ifile++ ) { |
---|
| 659 | initTable( ifile ) ; |
---|
[2380] | 660 | |
---|
[2393] | 661 | os << "start table " << ifile << ": " << infileList_[ifile] << LogIO::POST ; |
---|
[2390] | 662 | for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) { |
---|
[2383] | 663 | t0 = mathutil::gettimeofday_sec() ; |
---|
[2393] | 664 | initPol( ipol ) ; // set ptab_ and attach() |
---|
[2383] | 665 | t1 = mathutil::gettimeofday_sec() ; |
---|
[2390] | 666 | eInitPol += t1-t0 ; |
---|
[2383] | 667 | |
---|
[2393] | 668 | STContext context(this, common, ipol); |
---|
[2390] | 669 | |
---|
| 670 | os << "start pol " << ipol << LogIO::POST ; |
---|
| 671 | |
---|
[2393] | 672 | nprocessed_ = 0 ; |
---|
| 673 | #if 1 |
---|
| 674 | broker.runProducerAsMasterThread(&context, DO_AHEAD); |
---|
| 675 | #else |
---|
| 676 | for (;;) { |
---|
| 677 | bool produced = produceChunk(&context); |
---|
| 678 | if (! produced) { |
---|
| 679 | break; |
---|
| 680 | } |
---|
| 681 | consumeChunk(&context); |
---|
[2390] | 682 | } |
---|
[2393] | 683 | #endif |
---|
| 684 | |
---|
[2390] | 685 | os << "end pol " << ipol << LogIO::POST ; |
---|
[2393] | 686 | |
---|
[2383] | 687 | } |
---|
[2393] | 688 | os << "end table " << ifile << LogIO::POST ; |
---|
[2378] | 689 | } |
---|
[2384] | 690 | os << "initPol: elapsed time is " << eInitPol << " sec." << LogIO::POST ; |
---|
[2393] | 691 | os << "getData: elapsed time is " << eGetData_-eToInt-eGetWeight << " sec." << LogIO::POST ; |
---|
| 692 | os << "toPixel: elapsed time is " << eToPixel_ << " sec." << LogIO::POST ; |
---|
| 693 | os << "ggridsd: elapsed time is " << eGGridSD_ << " sec." << LogIO::POST ; |
---|
[2381] | 694 | os << "toInt: elapsed time is " << eToInt << " sec." << LogIO::POST ; |
---|
[2384] | 695 | os << "getWeight: elapsed time is " << eGetWeight << " sec." << LogIO::POST ; |
---|
[2383] | 696 | |
---|
[2379] | 697 | delete chanMap ; |
---|
| 698 | |
---|
[2378] | 699 | // set data |
---|
[2393] | 700 | setData( common.gdataArrC, common.gwgtArr ) ; |
---|
[2379] | 701 | |
---|
[2378] | 702 | } |
---|
| 703 | |
---|
[2396] | 704 | void STGrid::consumeChunkWithClipping(void *ctx) throw(PCException) |
---|
| 705 | { |
---|
| 706 | STContextWithClipping &context = *(STContextWithClipping *)ctx; |
---|
| 707 | STGChunk *chunk = NULL; |
---|
| 708 | try { |
---|
| 709 | context.queue.lock(); |
---|
| 710 | chunk = context.queue.get(); |
---|
| 711 | context.queue.unlock(); |
---|
| 712 | } catch (FullException &e) { |
---|
| 713 | context.queue.unlock(); |
---|
| 714 | // TODO: log error |
---|
| 715 | throw PCException(); |
---|
| 716 | } |
---|
| 717 | |
---|
| 718 | double t0, t1 ; |
---|
| 719 | // world -> pixel |
---|
| 720 | Array<Double> xypos( context.self->dshape_ ) ; |
---|
| 721 | t0 = mathutil::gettimeofday_sec() ; |
---|
| 722 | context.self->toPixel( chunk->direction, xypos ) ; |
---|
| 723 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 724 | context.self->eToPixel_ += t1-t0 ; |
---|
| 725 | |
---|
| 726 | // call ggridsd |
---|
| 727 | Int nvispol = 1 ; |
---|
| 728 | Int irow = -1 ; |
---|
| 729 | t0 = mathutil::gettimeofday_sec() ; |
---|
| 730 | context.self->call_ggridsd2( xypos, |
---|
| 731 | chunk->spectra, |
---|
| 732 | nvispol, |
---|
| 733 | context.self->nchan_, |
---|
| 734 | chunk->flagtra, |
---|
| 735 | chunk->rflag, |
---|
| 736 | chunk->weight, |
---|
| 737 | chunk->nrow, |
---|
| 738 | irow, |
---|
| 739 | context.common.gdataArrC, |
---|
| 740 | context.common.gwgtArr, |
---|
| 741 | context.common.npoints, |
---|
| 742 | context.common.clipMin, |
---|
| 743 | context.common.clipWMin, |
---|
| 744 | context.common.clipCMin, |
---|
| 745 | context.common.clipMax, |
---|
| 746 | context.common.clipWMax, |
---|
| 747 | context.common.clipCMax, |
---|
| 748 | context.common.gnx, |
---|
| 749 | context.common.gny, |
---|
| 750 | context.self->npol_, |
---|
| 751 | context.self->nchan_, |
---|
| 752 | context.self->convSupport_, |
---|
| 753 | context.self->convSampling_, |
---|
| 754 | context.common.convFunc, |
---|
| 755 | context.common.chanMap, |
---|
| 756 | (Int*)&context.pol ) ; |
---|
| 757 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 758 | context.self->eGGridSD_ += t1-t0 ; |
---|
| 759 | |
---|
| 760 | delete chunk; |
---|
| 761 | } |
---|
| 762 | |
---|
| 763 | void STGrid::gridPerRowWithClipping() |
---|
| 764 | { |
---|
| 765 | LogIO os( LogOrigin("STGrid", "gridPerRowWithClipping", WHERE) ) ; |
---|
| 766 | double t0, t1 ; |
---|
| 767 | |
---|
| 768 | |
---|
| 769 | // grid data |
---|
| 770 | // Extend grid plane with convSupport_ |
---|
| 771 | // Int gnx = nx_+convSupport_*2 ; |
---|
| 772 | // Int gny = ny_+convSupport_*2 ; |
---|
| 773 | Int gnx = nx_; |
---|
| 774 | Int gny = ny_; |
---|
| 775 | |
---|
| 776 | IPosition gshape( 4, gnx, gny, npol_, nchan_ ) ; |
---|
| 777 | IPosition pshape( 3, gnx, gny, npol_ ) ; |
---|
| 778 | // 2011/12/20 TN |
---|
| 779 | // data_ and gwgtArr share storage |
---|
| 780 | data_.resize( gshape ) ; |
---|
| 781 | data_ = 0.0 ; |
---|
| 782 | //STCommonData common = STCommonData(gshape, data_); |
---|
| 783 | STCommonDataWithClipping common = STCommonDataWithClipping( gshape, |
---|
| 784 | pshape, |
---|
| 785 | data_ ) ; |
---|
| 786 | common.gnx = gnx ; |
---|
| 787 | common.gny = gny ; |
---|
| 788 | |
---|
| 789 | // parameters for gridding |
---|
| 790 | Int *chanMap = new Int[nchan_] ; |
---|
| 791 | for ( Int i = 0 ; i < nchan_ ; i++ ) { |
---|
| 792 | chanMap[i] = i ; |
---|
| 793 | } |
---|
| 794 | common.chanMap = chanMap; |
---|
| 795 | |
---|
| 796 | // convolution kernel |
---|
| 797 | t0 = mathutil::gettimeofday_sec() ; |
---|
| 798 | setConvFunc( common.convFunc ) ; |
---|
| 799 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 800 | os << "setConvFunc: elapsed time is " << t1-t0 << " sec." << LogIO::POST ; |
---|
| 801 | |
---|
| 802 | // for performance check |
---|
| 803 | eGetData_ = 0.0 ; |
---|
| 804 | eToPixel_ = 0.0 ; |
---|
| 805 | eGGridSD_ = 0.0 ; |
---|
| 806 | double eInitPol = 0.0 ; |
---|
| 807 | |
---|
| 808 | //Broker broker = Broker(produceChunk, consumeChunk); |
---|
| 809 | Broker broker = Broker(produceChunk, consumeChunkWithClipping); |
---|
| 810 | for ( uInt ifile = 0 ; ifile < nfile_ ; ifile++ ) { |
---|
| 811 | initTable( ifile ) ; |
---|
| 812 | |
---|
| 813 | os << "start table " << ifile << ": " << infileList_[ifile] << LogIO::POST ; |
---|
| 814 | for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) { |
---|
| 815 | t0 = mathutil::gettimeofday_sec() ; |
---|
| 816 | initPol( ipol ) ; // set ptab_ and attach() |
---|
| 817 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 818 | eInitPol += t1-t0 ; |
---|
| 819 | |
---|
| 820 | //STContext context(this, common, ipol); |
---|
| 821 | STContextWithClipping context(this, common, ipol); |
---|
| 822 | |
---|
| 823 | os << "start pol " << ipol << LogIO::POST ; |
---|
| 824 | |
---|
| 825 | nprocessed_ = 0 ; |
---|
| 826 | #if 1 |
---|
| 827 | broker.runProducerAsMasterThread(&context, DO_AHEAD); |
---|
| 828 | #else |
---|
| 829 | for (;;) { |
---|
| 830 | bool produced = produceChunk(&context); |
---|
| 831 | if (! produced) { |
---|
| 832 | break; |
---|
| 833 | } |
---|
| 834 | //consumeChunk(&context); |
---|
| 835 | consumeChunkWithClipping(&context); |
---|
| 836 | } |
---|
| 837 | #endif |
---|
| 838 | |
---|
| 839 | os << "end pol " << ipol << LogIO::POST ; |
---|
| 840 | |
---|
| 841 | } |
---|
| 842 | os << "end table " << ifile << LogIO::POST ; |
---|
| 843 | } |
---|
| 844 | os << "initPol: elapsed time is " << eInitPol << " sec." << LogIO::POST ; |
---|
| 845 | os << "getData: elapsed time is " << eGetData_-eToInt-eGetWeight << " sec." << LogIO::POST ; |
---|
| 846 | os << "toPixel: elapsed time is " << eToPixel_ << " sec." << LogIO::POST ; |
---|
[2397] | 847 | os << "ggridsd2: elapsed time is " << eGGridSD_ << " sec." << LogIO::POST ; |
---|
[2396] | 848 | os << "toInt: elapsed time is " << eToInt << " sec." << LogIO::POST ; |
---|
| 849 | os << "getWeight: elapsed time is " << eGetWeight << " sec." << LogIO::POST ; |
---|
| 850 | |
---|
| 851 | delete chanMap ; |
---|
| 852 | |
---|
| 853 | // clip min and max in each grid |
---|
| 854 | // os << "BEFORE CLIPPING" << LogIO::POST ; |
---|
| 855 | // os << "gdataArrC=" << common.gdataArrC << LogIO::POST ; |
---|
| 856 | // os << "gwgtArr=" << common.gwgtArr << LogIO::POST ; |
---|
| 857 | t0 = mathutil::gettimeofday_sec() ; |
---|
| 858 | clipMinMax( common.gdataArrC, |
---|
| 859 | common.gwgtArr, |
---|
| 860 | common.npoints, |
---|
| 861 | common.clipMin, |
---|
| 862 | common.clipWMin, |
---|
| 863 | common.clipCMin, |
---|
| 864 | common.clipMax, |
---|
| 865 | common.clipWMax, |
---|
| 866 | common.clipCMax ) ; |
---|
| 867 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 868 | os << "clipMinMax: elapsed time is " << t1-t0 << " sec." << LogIO::POST ; |
---|
| 869 | // os << "AFTER CLIPPING" << LogIO::POST ; |
---|
| 870 | // os << "gdataArrC=" << common.gdataArrC << LogIO::POST ; |
---|
| 871 | // os << "gwgtArr=" << common.gwgtArr << LogIO::POST ; |
---|
| 872 | |
---|
| 873 | // set data |
---|
| 874 | setData( common.gdataArrC, common.gwgtArr ) ; |
---|
| 875 | |
---|
| 876 | } |
---|
| 877 | |
---|
| 878 | void STGrid::clipMinMax( Array<Complex> &grid, |
---|
| 879 | Array<Float> &weight, |
---|
| 880 | Array<Int> &npoints, |
---|
| 881 | Array<Complex> &clipmin, |
---|
| 882 | Array<Float> &clipwmin, |
---|
| 883 | Array<Float> &clipcmin, |
---|
| 884 | Array<Complex> &clipmax, |
---|
| 885 | Array<Float> &clipwmax, |
---|
| 886 | Array<Float> &clipcmax ) |
---|
| 887 | { |
---|
| 888 | //LogIO os( LogOrigin("STGrid","clipMinMax",WHERE) ) ; |
---|
| 889 | |
---|
| 890 | // prepare pointers |
---|
| 891 | Bool delG, delW, delNP, delCMin, delCWMin, delCCMin, delCMax, delCWMax, delCCMax ; |
---|
| 892 | Complex *grid_p = grid.getStorage( delG ) ; |
---|
| 893 | Float *wgt_p = weight.getStorage( delW ) ; |
---|
| 894 | const Int *npts_p = npoints.getStorage( delNP ) ; |
---|
| 895 | const Complex *cmin_p = clipmin.getStorage( delCMin ) ; |
---|
| 896 | const Float *cwmin_p = clipwmin.getStorage( delCWMin ) ; |
---|
| 897 | const Float *ccmin_p = clipcmin.getStorage( delCCMin ) ; |
---|
| 898 | const Complex *cmax_p = clipmax.getStorage( delCMax ) ; |
---|
| 899 | const Float *cwmax_p = clipwmax.getStorage( delCWMax ) ; |
---|
| 900 | const Float *ccmax_p = clipcmax.getStorage( delCCMax ) ; |
---|
| 901 | |
---|
| 902 | const IPosition &gshape = grid.shape() ; |
---|
| 903 | long offset = gshape[0] * gshape[1] * gshape[2] ; // nx * ny * npol |
---|
| 904 | Int nchan = gshape[3] ; |
---|
| 905 | long origin = nchan * offset ; |
---|
| 906 | for ( long i = 0 ; i < offset ; i++ ) { |
---|
| 907 | if ( *npts_p > 2 ) { |
---|
| 908 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) { |
---|
| 909 | // clip minimum and maximum |
---|
| 910 | *grid_p -= (*cmin_p)*(*cwmin_p)*(*ccmin_p) |
---|
| 911 | + (*cmax_p)*(*cwmax_p)*(*ccmax_p) ; |
---|
| 912 | *wgt_p -= (*cwmin_p)*(*ccmin_p) |
---|
| 913 | + (*cwmax_p)*(*ccmax_p) ; |
---|
| 914 | |
---|
| 915 | grid_p += offset ; |
---|
| 916 | wgt_p += offset ; |
---|
| 917 | cmin_p += offset ; |
---|
| 918 | cwmin_p += offset ; |
---|
| 919 | ccmin_p += offset ; |
---|
| 920 | cmax_p += offset ; |
---|
| 921 | cwmax_p += offset ; |
---|
| 922 | ccmax_p += offset ; |
---|
| 923 | } |
---|
| 924 | grid_p -= origin ; |
---|
| 925 | wgt_p -= origin ; |
---|
| 926 | cmin_p -= origin ; |
---|
| 927 | cwmin_p -= origin ; |
---|
| 928 | ccmin_p -= origin ; |
---|
| 929 | cmax_p -= origin ; |
---|
| 930 | cwmax_p -= origin ; |
---|
| 931 | ccmax_p -= origin ; |
---|
| 932 | } |
---|
| 933 | grid_p++ ; |
---|
| 934 | wgt_p++ ; |
---|
| 935 | npts_p++ ; |
---|
| 936 | cmin_p++ ; |
---|
| 937 | cwmin_p++ ; |
---|
| 938 | ccmin_p++ ; |
---|
| 939 | cmax_p++ ; |
---|
| 940 | cwmax_p++ ; |
---|
| 941 | ccmax_p++ ; |
---|
| 942 | } |
---|
| 943 | grid_p -= offset ; |
---|
| 944 | wgt_p -= offset ; |
---|
| 945 | npts_p -= offset ; |
---|
| 946 | cmin_p -= offset ; |
---|
| 947 | cwmin_p -= offset ; |
---|
| 948 | ccmin_p -= offset ; |
---|
| 949 | cmax_p -= offset ; |
---|
| 950 | cwmax_p -= offset ; |
---|
| 951 | ccmax_p -= offset ; |
---|
| 952 | |
---|
| 953 | // finalization |
---|
| 954 | grid.putStorage( grid_p, delG ) ; |
---|
| 955 | weight.putStorage( wgt_p, delW ) ; |
---|
| 956 | npoints.freeStorage( npts_p, delNP ) ; |
---|
| 957 | clipmin.freeStorage( cmin_p, delCMin ) ; |
---|
| 958 | clipwmin.freeStorage( cwmin_p, delCWMin ) ; |
---|
| 959 | clipcmin.freeStorage( ccmin_p, delCCMin ) ; |
---|
| 960 | clipmax.freeStorage( cmax_p, delCMax ) ; |
---|
| 961 | clipwmax.freeStorage( cwmax_p, delCWMax ) ; |
---|
| 962 | clipcmax.freeStorage( ccmax_p, delCCMax ) ; |
---|
| 963 | } |
---|
| 964 | |
---|
[2382] | 965 | void STGrid::gridPerPol() |
---|
[2379] | 966 | { |
---|
[2382] | 967 | LogIO os( LogOrigin("STGrid", "gridPerPol", WHERE) ) ; |
---|
[2364] | 968 | double t0, t1 ; |
---|
[2356] | 969 | |
---|
[2359] | 970 | // convolution kernel |
---|
| 971 | Vector<Float> convFunc ; |
---|
[2364] | 972 | t0 = mathutil::gettimeofday_sec() ; |
---|
[2359] | 973 | setConvFunc( convFunc ) ; |
---|
[2364] | 974 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 975 | os << "setConvFunc: elapsed time is " << t1-t0 << " sec." << LogIO::POST ; |
---|
[2359] | 976 | |
---|
[2382] | 977 | // prepare grid data storage |
---|
[2364] | 978 | Int gnx = nx_ ; |
---|
| 979 | Int gny = ny_ ; |
---|
[2382] | 980 | // // Extend grid plane with convSupport_ |
---|
[2364] | 981 | // Int gnx = nx_+convSupport_*2 ; |
---|
| 982 | // Int gny = ny_+convSupport_*2 ; |
---|
[2361] | 983 | IPosition gshape( 4, gnx, gny, npol_, nchan_ ) ; |
---|
[2356] | 984 | Array<Complex> gdataArrC( gshape, 0.0 ) ; |
---|
[2378] | 985 | //Array<Float> gwgtArr( gshape, 0.0 ) ; |
---|
| 986 | // 2011/12/20 TN |
---|
| 987 | // data_ and weight array shares storage |
---|
| 988 | data_.resize( gshape ) ; |
---|
| 989 | data_ = 0.0 ; |
---|
| 990 | Array<Float> gwgtArr( data_ ) ; |
---|
[2382] | 991 | |
---|
| 992 | // maps |
---|
[2361] | 993 | Int *chanMap = new Int[nchan_] ; |
---|
[2356] | 994 | { |
---|
| 995 | Int *work_p = chanMap ; |
---|
[2361] | 996 | for ( Int i = 0 ; i < nchan_ ; i++ ) { |
---|
[2356] | 997 | *work_p = i ; |
---|
| 998 | work_p++ ; |
---|
| 999 | } |
---|
| 1000 | } |
---|
[2393] | 1001 | Int polMap[1] ; |
---|
[2384] | 1002 | |
---|
| 1003 | // some parameters for ggridsd |
---|
[2382] | 1004 | Int nvispol = 1 ; |
---|
[2384] | 1005 | Int irow = -1 ; |
---|
[2382] | 1006 | |
---|
[2383] | 1007 | // for performance check |
---|
| 1008 | double eInitPol = 0.0 ; |
---|
| 1009 | double eGetData = 0.0 ; |
---|
| 1010 | double eToPixel = 0.0 ; |
---|
| 1011 | double eGGridSD = 0.0 ; |
---|
| 1012 | double eToInt = 0.0 ; |
---|
| 1013 | |
---|
[2390] | 1014 | for ( uInt ifile = 0 ; ifile < nfile_ ; ifile++ ) { |
---|
| 1015 | initTable( ifile ) ; |
---|
[2382] | 1016 | |
---|
[2393] | 1017 | os << "start table " << ifile << ": " << infileList_[ifile] << LogIO::POST ; |
---|
[2390] | 1018 | // to read data from the table |
---|
| 1019 | IPosition mshape( 2, nchan_, nrow_ ) ; |
---|
| 1020 | IPosition dshape( 2, 2, nrow_ ) ; |
---|
| 1021 | Array<Complex> spectra( mshape ) ; |
---|
| 1022 | Array<Double> direction( dshape ) ; |
---|
| 1023 | Array<Int> flagtra( mshape ) ; |
---|
| 1024 | Array<Int> rflag( IPosition(1,nrow_) ) ; |
---|
| 1025 | Array<Float> weight( mshape ) ; |
---|
| 1026 | Array<Double> xypos( dshape ) ; |
---|
| 1027 | |
---|
| 1028 | for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) { |
---|
| 1029 | t0 = mathutil::gettimeofday_sec() ; |
---|
| 1030 | initPol( ipol ) ; |
---|
| 1031 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 1032 | eInitPol += t1-t0 ; |
---|
[2393] | 1033 | |
---|
| 1034 | os << "start pol " << ipol << LogIO::POST ; |
---|
| 1035 | |
---|
[2390] | 1036 | // retrieve data |
---|
| 1037 | t0 = mathutil::gettimeofday_sec() ; |
---|
| 1038 | getDataPerPol( spectra, direction, flagtra, rflag, weight ) ; |
---|
| 1039 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 1040 | eGetData += t1-t0 ; |
---|
| 1041 | |
---|
| 1042 | // world -> pixel |
---|
| 1043 | t0 = mathutil::gettimeofday_sec() ; |
---|
| 1044 | toPixel( direction, xypos ) ; |
---|
| 1045 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 1046 | eToPixel += t1-t0 ; |
---|
| 1047 | |
---|
| 1048 | // call ggridsd |
---|
| 1049 | polMap[0] = ipol ; |
---|
| 1050 | t0 = mathutil::gettimeofday_sec() ; |
---|
| 1051 | call_ggridsd( xypos, |
---|
| 1052 | spectra, |
---|
| 1053 | nvispol, |
---|
| 1054 | nchan_, |
---|
| 1055 | flagtra, |
---|
| 1056 | rflag, |
---|
| 1057 | weight, |
---|
| 1058 | nrow_, |
---|
| 1059 | irow, |
---|
| 1060 | gdataArrC, |
---|
| 1061 | gwgtArr, |
---|
| 1062 | gnx, |
---|
| 1063 | gny, |
---|
| 1064 | npol_, |
---|
| 1065 | nchan_, |
---|
| 1066 | convSupport_, |
---|
| 1067 | convSampling_, |
---|
| 1068 | convFunc, |
---|
| 1069 | chanMap, |
---|
| 1070 | polMap ) ; |
---|
| 1071 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 1072 | eGGridSD += t1-t0 ; |
---|
[2393] | 1073 | |
---|
| 1074 | os << "end pol " << ipol << LogIO::POST ; |
---|
| 1075 | |
---|
[2390] | 1076 | } |
---|
[2393] | 1077 | os << "end table " << ifile << LogIO::POST ; |
---|
[2356] | 1078 | } |
---|
[2384] | 1079 | os << "initPol: elapsed time is " << eInitPol << " sec." << LogIO::POST ; |
---|
| 1080 | os << "getData: elapsed time is " << eGetData-eToInt-eGetWeight << " sec." << LogIO::POST ; |
---|
| 1081 | os << "toPixel: elapsed time is " << eToPixel << " sec." << LogIO::POST ; |
---|
| 1082 | os << "ggridsd: elapsed time is " << eGGridSD << " sec." << LogIO::POST ; |
---|
| 1083 | os << "toInt: elapsed time is " << eToInt << " sec." << LogIO::POST ; |
---|
| 1084 | os << "getWeight: elapsed time is " << eGetWeight << " sec." << LogIO::POST ; |
---|
[2382] | 1085 | |
---|
| 1086 | // delete maps |
---|
[2356] | 1087 | delete chanMap ; |
---|
[2382] | 1088 | |
---|
[2378] | 1089 | setData( gdataArrC, gwgtArr ) ; |
---|
[2364] | 1090 | // os << "gdataArr = " << gdataArr << LogIO::POST ; |
---|
| 1091 | // os << "gwgtArr = " << gwgtArr << LogIO::POST ; |
---|
| 1092 | // os << "data_ " << data_ << LogIO::POST ; |
---|
[2356] | 1093 | } |
---|
| 1094 | |
---|
[2382] | 1095 | void STGrid::initPol( Int ipol ) |
---|
| 1096 | { |
---|
[2386] | 1097 | LogIO os( LogOrigin("STGrid","initPol",WHERE) ) ; |
---|
| 1098 | if ( npolOrg_ == 1 ) { |
---|
| 1099 | os << "single polarization data." << LogIO::POST ; |
---|
[2385] | 1100 | ptab_ = tab_ ; |
---|
[2386] | 1101 | } |
---|
[2385] | 1102 | else |
---|
| 1103 | ptab_ = tab_( tab_.col("POLNO") == (uInt)ipol ) ; |
---|
[2382] | 1104 | |
---|
| 1105 | attach( ptab_ ) ; |
---|
| 1106 | } |
---|
| 1107 | |
---|
[2390] | 1108 | void STGrid::initTable( uInt idx ) |
---|
| 1109 | { |
---|
| 1110 | tab_ = tableList_[idx] ; |
---|
| 1111 | nrow_ = rows_[idx] ; |
---|
| 1112 | } |
---|
| 1113 | |
---|
[2378] | 1114 | void STGrid::setData( Array<Complex> &gdata, |
---|
[2368] | 1115 | Array<Float> &gwgt ) |
---|
| 1116 | { |
---|
[2378] | 1117 | // 2011/12/20 TN |
---|
| 1118 | // gwgt and data_ share storage |
---|
[2368] | 1119 | LogIO os( LogOrigin("STGrid","setData",WHERE) ) ; |
---|
| 1120 | double t0, t1 ; |
---|
| 1121 | t0 = mathutil::gettimeofday_sec() ; |
---|
[2378] | 1122 | uInt len = data_.nelements() ; |
---|
[2374] | 1123 | const Complex *w1_p ; |
---|
[2378] | 1124 | Float *w2_p ; |
---|
[2379] | 1125 | Bool b1, b2 ; |
---|
[2374] | 1126 | const Complex *gdata_p = gdata.getStorage( b1 ) ; |
---|
[2378] | 1127 | Float *gwgt_p = data_.getStorage( b2 ) ; |
---|
[2368] | 1128 | w1_p = gdata_p ; |
---|
| 1129 | w2_p = gwgt_p ; |
---|
| 1130 | for ( uInt i = 0 ; i < len ; i++ ) { |
---|
[2378] | 1131 | if ( *w2_p > 0.0 ) *w2_p = (*w1_p).real() / *w2_p ; |
---|
[2368] | 1132 | w1_p++ ; |
---|
| 1133 | w2_p++ ; |
---|
| 1134 | } |
---|
| 1135 | gdata.freeStorage( gdata_p, b1 ) ; |
---|
[2378] | 1136 | data_.putStorage( gwgt_p, b2 ) ; |
---|
[2368] | 1137 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 1138 | os << "setData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ; |
---|
| 1139 | } |
---|
| 1140 | |
---|
[2388] | 1141 | void STGrid::setupGrid() |
---|
| 1142 | { |
---|
| 1143 | Double xmin,xmax,ymin,ymax ; |
---|
| 1144 | mapExtent( xmin, xmax, ymin, ymax ) ; |
---|
| 1145 | |
---|
| 1146 | setupGrid( nxUI_, nyUI_, cellxUI_, cellyUI_, |
---|
| 1147 | xmin, xmax, ymin, ymax, centerUI_ ) ; |
---|
| 1148 | } |
---|
| 1149 | |
---|
[2356] | 1150 | void STGrid::setupGrid( Int &nx, |
---|
| 1151 | Int &ny, |
---|
| 1152 | String &cellx, |
---|
| 1153 | String &celly, |
---|
| 1154 | Double &xmin, |
---|
| 1155 | Double &xmax, |
---|
| 1156 | Double &ymin, |
---|
| 1157 | Double &ymax, |
---|
| 1158 | String ¢er ) |
---|
| 1159 | { |
---|
[2375] | 1160 | LogIO os( LogOrigin("STGrid","setupGrid",WHERE) ) ; |
---|
[2356] | 1161 | //cout << "nx=" << nx << ", ny=" << ny << endl ; |
---|
[2359] | 1162 | |
---|
| 1163 | // center position |
---|
| 1164 | if ( center.size() == 0 ) { |
---|
| 1165 | center_(0) = 0.5 * ( xmin + xmax ) ; |
---|
| 1166 | center_(1) = 0.5 * ( ymin + ymax ) ; |
---|
| 1167 | } |
---|
| 1168 | else { |
---|
| 1169 | String::size_type pos0 = center.find( " " ) ; |
---|
| 1170 | if ( pos0 == String::npos ) { |
---|
| 1171 | throw AipsError( "bad string format in parameter center" ) ; |
---|
| 1172 | } |
---|
| 1173 | String::size_type pos1 = center.find( " ", pos0+1 ) ; |
---|
| 1174 | String typestr, xstr, ystr ; |
---|
| 1175 | if ( pos1 != String::npos ) { |
---|
| 1176 | typestr = center.substr( 0, pos0 ) ; |
---|
| 1177 | xstr = center.substr( pos0+1, pos1-pos0 ) ; |
---|
| 1178 | ystr = center.substr( pos1+1 ) ; |
---|
| 1179 | // todo: convert to J2000 (or direction ref for DIRECTION column) |
---|
| 1180 | } |
---|
| 1181 | else { |
---|
| 1182 | typestr = "J2000" ; |
---|
| 1183 | xstr = center.substr( 0, pos0 ) ; |
---|
| 1184 | ystr = center.substr( pos0+1 ) ; |
---|
| 1185 | } |
---|
| 1186 | QuantumHolder qh ; |
---|
| 1187 | String err ; |
---|
| 1188 | qh.fromString( err, xstr ) ; |
---|
| 1189 | Quantum<Double> xcen = qh.asQuantumDouble() ; |
---|
| 1190 | qh.fromString( err, ystr ) ; |
---|
| 1191 | Quantum<Double> ycen = qh.asQuantumDouble() ; |
---|
| 1192 | center_(0) = xcen.getValue( "rad" ) ; |
---|
| 1193 | center_(1) = ycen.getValue( "rad" ) ; |
---|
| 1194 | } |
---|
| 1195 | |
---|
| 1196 | |
---|
[2356] | 1197 | nx_ = nx ; |
---|
| 1198 | ny_ = ny ; |
---|
| 1199 | if ( nx < 0 && ny > 0 ) { |
---|
| 1200 | nx_ = ny ; |
---|
| 1201 | ny_ = ny ; |
---|
| 1202 | } |
---|
| 1203 | if ( ny < 0 && nx > 0 ) { |
---|
| 1204 | nx_ = nx ; |
---|
| 1205 | ny_ = nx ; |
---|
| 1206 | } |
---|
[2375] | 1207 | |
---|
| 1208 | //Double wx = xmax - xmin ; |
---|
| 1209 | //Double wy = ymax - ymin ; |
---|
| 1210 | Double wx = max( abs(xmax-center_(0)), abs(xmin-center_(0)) ) * 2 ; |
---|
| 1211 | Double wy = max( abs(ymax-center_(1)), abs(ymin-center_(1)) ) * 2 ; |
---|
| 1212 | // take 10% margin |
---|
| 1213 | wx *= 1.10 ; |
---|
| 1214 | wy *= 1.10 ; |
---|
| 1215 | |
---|
| 1216 | Quantum<Double> qcellx ; |
---|
| 1217 | Quantum<Double> qcelly ; |
---|
[2356] | 1218 | //cout << "nx_ = " << nx_ << ", ny_ = " << ny_ << endl ; |
---|
| 1219 | if ( cellx.size() != 0 && celly.size() != 0 ) { |
---|
| 1220 | readQuantity( qcellx, cellx ) ; |
---|
| 1221 | readQuantity( qcelly, celly ) ; |
---|
| 1222 | } |
---|
| 1223 | else if ( celly.size() != 0 ) { |
---|
[2375] | 1224 | os << "Using celly to x-axis..." << LogIO::POST ; |
---|
[2356] | 1225 | readQuantity( qcelly, celly ) ; |
---|
| 1226 | qcellx = qcelly ; |
---|
| 1227 | } |
---|
| 1228 | else if ( cellx.size() != 0 ) { |
---|
[2375] | 1229 | os << "Using cellx to y-axis..." << LogIO::POST ; |
---|
[2356] | 1230 | readQuantity( qcellx, cellx ) ; |
---|
| 1231 | qcelly = qcellx ; |
---|
| 1232 | } |
---|
| 1233 | else { |
---|
| 1234 | if ( nx_ < 0 ) { |
---|
[2375] | 1235 | os << "No user preference in grid setting. Using default..." << LogIO::POST ; |
---|
[2356] | 1236 | readQuantity( qcellx, "1.0arcmin" ) ; |
---|
| 1237 | qcelly = qcellx ; |
---|
| 1238 | } |
---|
| 1239 | else { |
---|
[2375] | 1240 | if ( wx == 0.0 ) { |
---|
| 1241 | os << "Using default spatial extent (10arcmin) in x" << LogIO::POST ; |
---|
| 1242 | wx = 0.00290888 ; |
---|
| 1243 | } |
---|
| 1244 | if ( wy == 0.0 ) { |
---|
| 1245 | os << "Using default spatial extent (10arcmin) in y" << LogIO::POST ; |
---|
| 1246 | wy = 0.00290888 ; |
---|
| 1247 | } |
---|
[2356] | 1248 | qcellx = Quantum<Double>( wx/nx_, "rad" ) ; |
---|
| 1249 | qcelly = Quantum<Double>( wy/ny_, "rad" ) ; |
---|
| 1250 | } |
---|
| 1251 | } |
---|
| 1252 | cellx_ = qcellx.getValue( "rad" ) ; |
---|
| 1253 | celly_ = qcelly.getValue( "rad" ) ; |
---|
| 1254 | if ( nx_ < 0 ) { |
---|
[2375] | 1255 | if ( wx == 0.0 ) { |
---|
| 1256 | os << "Using default spatial extent (10arcmin) in x" << LogIO::POST ; |
---|
| 1257 | wx = 0.00290888 ; |
---|
| 1258 | } |
---|
| 1259 | if ( wy == 0.0 ) { |
---|
| 1260 | os << "Using default spatial extent (10arcmin) in y" << LogIO::POST ; |
---|
| 1261 | wy = 0.00290888 ; |
---|
| 1262 | } |
---|
[2356] | 1263 | nx_ = Int( ceil( wx/cellx_ ) ) ; |
---|
| 1264 | ny_ = Int( ceil( wy/celly_ ) ) ; |
---|
| 1265 | } |
---|
| 1266 | } |
---|
| 1267 | |
---|
[2388] | 1268 | void STGrid::mapExtent( Double &xmin, Double &xmax, |
---|
| 1269 | Double &ymin, Double &ymax ) |
---|
| 1270 | { |
---|
| 1271 | //LogIO os( LogOrigin("STGrid","mapExtent",WHERE) ) ; |
---|
[2390] | 1272 | directionCol_.attach( tableList_[0], "DIRECTION" ) ; |
---|
| 1273 | Matrix<Double> direction = directionCol_.getColumn() ; |
---|
[2388] | 1274 | //os << "dirCol.nrow() = " << dirCol.nrow() << LogIO::POST ; |
---|
| 1275 | minMax( xmin, xmax, direction.row( 0 ) ) ; |
---|
| 1276 | minMax( ymin, ymax, direction.row( 1 ) ) ; |
---|
[2390] | 1277 | Double amin, amax, bmin, bmax ; |
---|
| 1278 | for ( uInt i = 1 ; i < nfile_ ; i++ ) { |
---|
| 1279 | directionCol_.attach( tableList_[i], "DIRECTION" ) ; |
---|
| 1280 | direction.assign( directionCol_.getColumn() ) ; |
---|
| 1281 | //os << "dirCol.nrow() = " << dirCol.nrow() << LogIO::POST ; |
---|
| 1282 | minMax( amin, amax, direction.row( 0 ) ) ; |
---|
| 1283 | minMax( bmin, bmax, direction.row( 1 ) ) ; |
---|
| 1284 | xmin = min( xmin, amin ) ; |
---|
| 1285 | xmax = max( xmax, amax ) ; |
---|
| 1286 | ymin = min( ymin, bmin ) ; |
---|
| 1287 | ymax = max( ymax, bmax ) ; |
---|
| 1288 | } |
---|
[2388] | 1289 | //os << "(xmin,xmax)=(" << xmin << "," << xmax << ")" << LogIO::POST ; |
---|
| 1290 | //os << "(ymin,ymax)=(" << ymin << "," << ymax << ")" << LogIO::POST ; |
---|
| 1291 | } |
---|
| 1292 | |
---|
[2379] | 1293 | void STGrid::selectData() |
---|
[2362] | 1294 | { |
---|
[2386] | 1295 | LogIO os( LogOrigin("STGrid","selectData",WHERE) ) ; |
---|
[2362] | 1296 | Int ifno = ifno_ ; |
---|
[2390] | 1297 | tableList_.resize( nfile_ ) ; |
---|
[2393] | 1298 | if ( ifno == -1 ) { |
---|
| 1299 | Table taborg( infileList_[0] ) ; |
---|
| 1300 | ROScalarColumn<uInt> ifnoCol( taborg, "IFNO" ) ; |
---|
| 1301 | ifno = ifnoCol( 0 ) ; |
---|
| 1302 | os << LogIO::WARN |
---|
| 1303 | << "IFNO is not given. Using default IFNO: " << ifno << LogIO::POST ; |
---|
| 1304 | } |
---|
[2390] | 1305 | for ( uInt i = 0 ; i < nfile_ ; i++ ) { |
---|
[2389] | 1306 | Table taborg( infileList_[i] ) ; |
---|
| 1307 | TableExprNode node ; |
---|
| 1308 | if ( isMultiIF( taborg ) ) { |
---|
| 1309 | os << "apply selection on IFNO" << LogIO::POST ; |
---|
| 1310 | node = taborg.col("IFNO") == ifno ; |
---|
| 1311 | } |
---|
| 1312 | if ( scanlist_.size() > 0 ) { |
---|
| 1313 | os << "apply selection on SCANNO" << LogIO::POST ; |
---|
| 1314 | node = node && taborg.col("SCANNO").in( scanlist_ ) ; |
---|
| 1315 | } |
---|
| 1316 | if ( node.isNull() ) { |
---|
| 1317 | tableList_[i] = taborg ; |
---|
| 1318 | } |
---|
| 1319 | else { |
---|
| 1320 | tableList_[i] = taborg( node ) ; |
---|
| 1321 | } |
---|
[2393] | 1322 | os << "tableList_[" << i << "].nrow()=" << tableList_[i].nrow() << LogIO::POST ; |
---|
[2389] | 1323 | if ( tableList_[i].nrow() == 0 ) { |
---|
| 1324 | os << LogIO::SEVERE |
---|
| 1325 | << "No corresponding rows for given selection: IFNO " << ifno ; |
---|
| 1326 | if ( scanlist_.size() > 0 ) |
---|
| 1327 | os << " SCANNO " << scanlist_ ; |
---|
| 1328 | os << LogIO::EXCEPTION ; |
---|
| 1329 | } |
---|
[2362] | 1330 | } |
---|
| 1331 | } |
---|
| 1332 | |
---|
[2386] | 1333 | Bool STGrid::isMultiIF( Table &tab ) |
---|
| 1334 | { |
---|
| 1335 | ROScalarColumn<uInt> ifnoCol( tab, "IFNO" ) ; |
---|
| 1336 | Vector<uInt> ifnos = ifnoCol.getColumn() ; |
---|
| 1337 | return anyNE( ifnos, ifnos[0] ) ; |
---|
| 1338 | } |
---|
| 1339 | |
---|
[2382] | 1340 | void STGrid::attach( Table &tab ) |
---|
[2379] | 1341 | { |
---|
| 1342 | // attach to table |
---|
[2382] | 1343 | spectraCol_.attach( tab, "SPECTRA" ) ; |
---|
| 1344 | flagtraCol_.attach( tab, "FLAGTRA" ) ; |
---|
| 1345 | directionCol_.attach( tab, "DIRECTION" ) ; |
---|
| 1346 | flagRowCol_.attach( tab, "FLAGROW" ) ; |
---|
| 1347 | tsysCol_.attach( tab, "TSYS" ) ; |
---|
| 1348 | intervalCol_.attach( tab, "INTERVAL" ) ; |
---|
[2379] | 1349 | } |
---|
| 1350 | |
---|
[2382] | 1351 | void STGrid::getDataPerPol( Array<Float> &spectra, |
---|
| 1352 | Array<Double> &direction, |
---|
| 1353 | Array<uChar> &flagtra, |
---|
| 1354 | Array<uInt> &rflag, |
---|
| 1355 | Array<Float> &weight ) |
---|
[2356] | 1356 | { |
---|
[2382] | 1357 | LogIO os( LogOrigin("STGrid","getDataPerPol",WHERE) ) ; |
---|
[2383] | 1358 | |
---|
[2382] | 1359 | // 2011/12/22 TN |
---|
| 1360 | // weight and tsys shares its storage |
---|
| 1361 | Array<Float> tsys( weight ) ; |
---|
| 1362 | Array<Double> tint( rflag.shape() ) ; |
---|
[2383] | 1363 | |
---|
| 1364 | Vector<uInt> rflagVec( rflag ) ; |
---|
[2382] | 1365 | Vector<Double> tintVec( tint ) ; |
---|
[2375] | 1366 | |
---|
[2382] | 1367 | spectraCol_.getColumn( spectra ) ; |
---|
| 1368 | flagtraCol_.getColumn( flagtra ) ; |
---|
| 1369 | flagRowCol_.getColumn( rflagVec ) ; |
---|
| 1370 | directionCol_.getColumn( direction ) ; |
---|
| 1371 | intervalCol_.getColumn( tintVec ) ; |
---|
| 1372 | Vector<Float> tsysTemp = tsysCol_( 0 ) ; |
---|
| 1373 | if ( tsysTemp.nelements() == (uInt)nchan_ ) { |
---|
| 1374 | tsysCol_.getColumn( tsys ) ; |
---|
[2360] | 1375 | } |
---|
[2382] | 1376 | else { |
---|
| 1377 | tsys = tsysTemp[0] ; |
---|
| 1378 | } |
---|
[2384] | 1379 | |
---|
| 1380 | double t0,t1 ; |
---|
| 1381 | t0 = mathutil::gettimeofday_sec() ; |
---|
[2383] | 1382 | getWeight( weight, tsys, tint ) ; |
---|
[2384] | 1383 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 1384 | eGetWeight += t1-t0 ; |
---|
[2356] | 1385 | } |
---|
| 1386 | |
---|
[2382] | 1387 | void STGrid::getDataPerPol( Array<Complex> &spectra, |
---|
| 1388 | Array<Double> &direction, |
---|
| 1389 | Array<Int> &flagtra, |
---|
| 1390 | Array<Int> &rflag, |
---|
| 1391 | Array<Float> &weight ) |
---|
[2371] | 1392 | { |
---|
[2382] | 1393 | LogIO os( LogOrigin("STGrid","getDataPerPol",WHERE) ) ; |
---|
[2375] | 1394 | double t0, t1 ; |
---|
| 1395 | |
---|
[2382] | 1396 | Array<uChar> flagUC( flagtra.shape() ) ; |
---|
| 1397 | Array<uInt> rflagUI( rflag.shape() ) ; |
---|
| 1398 | Array<Float> spectraF( spectra.shape() ) ; |
---|
| 1399 | getDataPerPol( spectraF, direction, flagUC, rflagUI, weight ) ; |
---|
[2375] | 1400 | |
---|
[2382] | 1401 | convertArray( spectra, spectraF ) ; |
---|
[2375] | 1402 | t0 = mathutil::gettimeofday_sec() ; |
---|
| 1403 | toInt( flagUC, flagtra ) ; |
---|
| 1404 | toInt( rflagUI, rflag ) ; |
---|
| 1405 | t1 = mathutil::gettimeofday_sec() ; |
---|
[2384] | 1406 | eToInt += t1-t0 ; |
---|
[2383] | 1407 | //os << "toInt: elapsed time is " << t1-t0 << " sec." << LogIO::POST ; |
---|
[2375] | 1408 | } |
---|
| 1409 | |
---|
[2393] | 1410 | Int STGrid::getDataChunk( |
---|
| 1411 | IPosition const &wshape, |
---|
| 1412 | IPosition const &vshape, |
---|
| 1413 | IPosition const &dshape, |
---|
| 1414 | Array<Complex> &spectra, |
---|
| 1415 | Array<Double> &direction, |
---|
| 1416 | Array<Int> &flagtra, |
---|
| 1417 | Array<Int> &rflag, |
---|
| 1418 | Array<Float> &weight ) |
---|
| 1419 | { |
---|
| 1420 | LogIO os( LogOrigin("STGrid","getDataChunk",WHERE) ) ; |
---|
| 1421 | |
---|
| 1422 | Array<Float> spectraF_(wshape); |
---|
| 1423 | Array<uChar> flagtraUC_(wshape); |
---|
| 1424 | Array<uInt> rflagUI_(vshape); |
---|
| 1425 | Int nrow = getDataChunk( spectraF_, direction, flagtraUC_, rflagUI_, weight ) ; |
---|
| 1426 | if ( nrow < nchunk_ ) { |
---|
| 1427 | spectra.resize( spectraF_.shape() ) ; |
---|
| 1428 | flagtra.resize( flagtraUC_.shape() ) ; |
---|
| 1429 | rflag.resize( rflagUI_.shape() ) ; |
---|
| 1430 | } |
---|
| 1431 | double t0, t1 ; |
---|
| 1432 | t0 = mathutil::gettimeofday_sec() ; |
---|
| 1433 | convertArray( spectra, spectraF_ ) ; |
---|
| 1434 | toInt( flagtraUC_, flagtra ) ; |
---|
| 1435 | toInt( rflagUI_, rflag ) ; |
---|
| 1436 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 1437 | eToInt = t1 - t0 ; |
---|
| 1438 | |
---|
| 1439 | return nrow ; |
---|
| 1440 | } |
---|
| 1441 | |
---|
| 1442 | #if 0 |
---|
[2379] | 1443 | Int STGrid::getDataChunk( Array<Complex> &spectra, |
---|
| 1444 | Array<Double> &direction, |
---|
| 1445 | Array<Int> &flagtra, |
---|
| 1446 | Array<Int> &rflag, |
---|
| 1447 | Array<Float> &weight ) |
---|
[2378] | 1448 | { |
---|
[2385] | 1449 | LogIO os( LogOrigin("STGrid","getDataChunk",WHERE) ) ; |
---|
[2381] | 1450 | Int nrow = getDataChunk( spectraF_, direction, flagtraUC_, rflagUI_, weight ) ; |
---|
[2383] | 1451 | if ( nrow < nchunk_ ) { |
---|
| 1452 | spectra.resize( spectraF_.shape() ) ; |
---|
| 1453 | flagtra.resize( flagtraUC_.shape() ) ; |
---|
| 1454 | rflag.resize( rflagUI_.shape() ) ; |
---|
| 1455 | } |
---|
[2381] | 1456 | double t0, t1 ; |
---|
| 1457 | t0 = mathutil::gettimeofday_sec() ; |
---|
| 1458 | convertArray( spectra, spectraF_ ) ; |
---|
[2382] | 1459 | toInt( flagtraUC_, flagtra ) ; |
---|
| 1460 | toInt( rflagUI_, rflag ) ; |
---|
[2381] | 1461 | t1 = mathutil::gettimeofday_sec() ; |
---|
[2384] | 1462 | eToInt = t1 - t0 ; |
---|
[2381] | 1463 | |
---|
[2379] | 1464 | return nrow ; |
---|
[2378] | 1465 | } |
---|
[2393] | 1466 | #endif |
---|
[2378] | 1467 | |
---|
[2379] | 1468 | Int STGrid::getDataChunk( Array<Float> &spectra, |
---|
| 1469 | Array<Double> &direction, |
---|
| 1470 | Array<uChar> &flagtra, |
---|
| 1471 | Array<uInt> &rflag, |
---|
| 1472 | Array<Float> &weight ) |
---|
[2375] | 1473 | { |
---|
[2379] | 1474 | LogIO os( LogOrigin("STGrid","getDataChunk",WHERE) ) ; |
---|
[2383] | 1475 | Int nrow = spectra.shape()[1] ; |
---|
| 1476 | Int remainingRow = nrow_ - nprocessed_ ; |
---|
| 1477 | if ( remainingRow < nrow ) { |
---|
| 1478 | nrow = remainingRow ; |
---|
| 1479 | IPosition mshape( 2, nchan_, nrow ) ; |
---|
| 1480 | IPosition vshape( 1, nrow ) ; |
---|
| 1481 | spectra.resize( mshape ) ; |
---|
| 1482 | flagtra.resize( mshape ) ; |
---|
| 1483 | direction.resize( IPosition(2,2,nrow) ) ; |
---|
| 1484 | rflag.resize( vshape ) ; |
---|
| 1485 | weight.resize( mshape ) ; |
---|
[2379] | 1486 | } |
---|
[2383] | 1487 | // 2011/12/22 TN |
---|
| 1488 | // tsys shares its storage with weight |
---|
| 1489 | Array<Float> tsys( weight ) ; |
---|
| 1490 | Array<Double> tint( rflag.shape() ) ; |
---|
[2380] | 1491 | |
---|
[2383] | 1492 | Vector<uInt> rflagVec( rflag ) ; |
---|
| 1493 | Vector<Double> tintVec( tint ) ; |
---|
[2379] | 1494 | |
---|
[2383] | 1495 | RefRows rows( nprocessed_, nprocessed_+nrow-1, 1 ) ; |
---|
[2386] | 1496 | //os<<LogIO::DEBUGGING<<"nprocessed_="<<nprocessed_<<": rows.nrows()="<<rows.nrows()<<LogIO::POST ; |
---|
[2383] | 1497 | spectraCol_.getColumnCells( rows, spectra ) ; |
---|
| 1498 | flagtraCol_.getColumnCells( rows, flagtra ) ; |
---|
| 1499 | directionCol_.getColumnCells( rows, direction ) ; |
---|
| 1500 | flagRowCol_.getColumnCells( rows, rflagVec ) ; |
---|
| 1501 | intervalCol_.getColumnCells( rows, tintVec ) ; |
---|
| 1502 | Vector<Float> tsysTemp = tsysCol_( nprocessed_ ) ; |
---|
| 1503 | if ( tsysTemp.nelements() == (uInt)nchan_ ) |
---|
| 1504 | tsysCol_.getColumnCells( rows, tsys ) ; |
---|
| 1505 | else |
---|
| 1506 | tsys = tsysTemp[0] ; |
---|
[2385] | 1507 | |
---|
[2384] | 1508 | double t0,t1 ; |
---|
| 1509 | t0 = mathutil::gettimeofday_sec() ; |
---|
[2379] | 1510 | getWeight( weight, tsys, tint ) ; |
---|
[2384] | 1511 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 1512 | eGetWeight += t1-t0 ; |
---|
[2379] | 1513 | |
---|
| 1514 | nprocessed_ += nrow ; |
---|
| 1515 | |
---|
| 1516 | return nrow ; |
---|
| 1517 | } |
---|
| 1518 | |
---|
| 1519 | void STGrid::setupArray() |
---|
| 1520 | { |
---|
[2376] | 1521 | LogIO os( LogOrigin("STGrid","setupArray",WHERE) ) ; |
---|
[2390] | 1522 | ROScalarColumn<uInt> polnoCol( tableList_[0], "POLNO" ) ; |
---|
[2371] | 1523 | Vector<uInt> pols = polnoCol.getColumn() ; |
---|
[2376] | 1524 | //os << pols << LogIO::POST ; |
---|
[2371] | 1525 | Vector<uInt> pollistOrg ; |
---|
[2386] | 1526 | npolOrg_ = 0 ; |
---|
[2371] | 1527 | uInt polno ; |
---|
| 1528 | for ( uInt i = 0 ; i < polnoCol.nrow() ; i++ ) { |
---|
[2393] | 1529 | //polno = polnoCol( i ) ; |
---|
[2371] | 1530 | polno = pols( i ) ; |
---|
| 1531 | if ( allNE( pollistOrg, polno ) ) { |
---|
[2386] | 1532 | pollistOrg.resize( npolOrg_+1, True ) ; |
---|
| 1533 | pollistOrg[npolOrg_] = polno ; |
---|
| 1534 | npolOrg_++ ; |
---|
[2371] | 1535 | } |
---|
| 1536 | } |
---|
| 1537 | if ( pollist_.size() == 0 ) |
---|
| 1538 | pollist_ = pollistOrg ; |
---|
| 1539 | else { |
---|
| 1540 | Vector<uInt> newlist ; |
---|
| 1541 | uInt newsize = 0 ; |
---|
| 1542 | for ( uInt i = 0 ; i < pollist_.size() ; i++ ) { |
---|
| 1543 | if ( anyEQ( pollistOrg, pollist_[i] ) ) { |
---|
| 1544 | newlist.resize( newsize+1, True ) ; |
---|
| 1545 | newlist[newsize] = pollist_[i] ; |
---|
| 1546 | newsize++ ; |
---|
| 1547 | } |
---|
| 1548 | } |
---|
| 1549 | pollist_.assign( newlist ) ; |
---|
| 1550 | } |
---|
| 1551 | npol_ = pollist_.size() ; |
---|
| 1552 | if ( npol_ == 0 ) { |
---|
| 1553 | os << LogIO::SEVERE << "Empty pollist" << LogIO::EXCEPTION ; |
---|
| 1554 | } |
---|
[2390] | 1555 | rows_.resize( nfile_ ) ; |
---|
| 1556 | for ( uInt i = 0 ; i < nfile_ ; i++ ) { |
---|
| 1557 | rows_[i] = tableList_[i].nrow() / npolOrg_ ; |
---|
[2393] | 1558 | if ( nrow_ < rows_[i] ) |
---|
| 1559 | nrow_ = rows_[i] ; |
---|
[2390] | 1560 | } |
---|
| 1561 | flagtraCol_.attach( tableList_[0], "FLAGTRA" ) ; |
---|
| 1562 | nchan_ = flagtraCol_( 0 ).nelements() ; |
---|
[2371] | 1563 | // os << "npol_ = " << npol_ << "(" << pollist_ << ")" << endl |
---|
| 1564 | // << "nchan_ = " << nchan_ << endl |
---|
| 1565 | // << "nrow_ = " << nrow_ << LogIO::POST ; |
---|
| 1566 | } |
---|
| 1567 | |
---|
[2375] | 1568 | void STGrid::getWeight( Array<Float> &w, |
---|
[2382] | 1569 | Array<Float> &tsys, |
---|
| 1570 | Array<Double> &tint ) |
---|
| 1571 | { |
---|
[2383] | 1572 | LogIO os( LogOrigin("STGrid","getWeight",WHERE) ) ; |
---|
[2384] | 1573 | |
---|
[2382] | 1574 | // 2011/12/22 TN |
---|
| 1575 | // w (weight) and tsys share storage |
---|
| 1576 | IPosition refShape = tsys.shape() ; |
---|
| 1577 | Int nchan = refShape[0] ; |
---|
| 1578 | Int nrow = refShape[1] ; |
---|
| 1579 | // os << "nchan=" << nchan << ", nrow=" << nrow << LogIO::POST ; |
---|
| 1580 | // os << "w.shape()=" << w.shape() << endl |
---|
| 1581 | // << "tsys.shape()=" << tsys.shape() << endl |
---|
| 1582 | // << "tint.shape()=" << tint.shape() << LogIO::POST ; |
---|
| 1583 | |
---|
| 1584 | // set weight |
---|
| 1585 | if ( wtype_.compare( "UNIFORM" ) == 0 ) { |
---|
| 1586 | w = 1.0 ; |
---|
| 1587 | } |
---|
| 1588 | else if ( wtype_.compare( "TINT" ) == 0 ) { |
---|
| 1589 | Bool b0, b1 ; |
---|
| 1590 | Float *w_p = w.getStorage( b0 ) ; |
---|
| 1591 | Float *w0_p = w_p ; |
---|
| 1592 | const Double *ti_p = tint.getStorage( b1 ) ; |
---|
| 1593 | const Double *w1_p = ti_p ; |
---|
| 1594 | for ( Int irow = 0 ; irow < nrow ; irow++ ) { |
---|
| 1595 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) { |
---|
| 1596 | *w0_p = *w1_p ; |
---|
| 1597 | w0_p++ ; |
---|
| 1598 | } |
---|
| 1599 | w1_p++ ; |
---|
| 1600 | } |
---|
| 1601 | w.putStorage( w_p, b0 ) ; |
---|
| 1602 | tint.freeStorage( ti_p, b1 ) ; |
---|
| 1603 | } |
---|
| 1604 | else if ( wtype_.compare( "TSYS" ) == 0 ) { |
---|
| 1605 | Bool b0 ; |
---|
| 1606 | Float *w_p = w.getStorage( b0 ) ; |
---|
| 1607 | Float *w0_p = w_p ; |
---|
| 1608 | for ( Int irow = 0 ; irow < nrow ; irow++ ) { |
---|
| 1609 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) { |
---|
| 1610 | Float temp = *w0_p ; |
---|
| 1611 | *w0_p = 1.0 / ( temp * temp ) ; |
---|
| 1612 | w0_p++ ; |
---|
| 1613 | } |
---|
| 1614 | } |
---|
| 1615 | w.putStorage( w_p, b0 ) ; |
---|
| 1616 | } |
---|
| 1617 | else if ( wtype_.compare( "TINTSYS" ) == 0 ) { |
---|
| 1618 | Bool b0, b1 ; |
---|
| 1619 | Float *w_p = w.getStorage( b0 ) ; |
---|
| 1620 | Float *w0_p = w_p ; |
---|
| 1621 | const Double *ti_p = tint.getStorage( b1 ) ; |
---|
| 1622 | const Double *w1_p = ti_p ; |
---|
| 1623 | for ( Int irow = 0 ; irow < nrow ; irow++ ) { |
---|
| 1624 | Float interval = *w1_p ; |
---|
| 1625 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) { |
---|
| 1626 | Float temp = *w0_p ; |
---|
| 1627 | *w0_p = interval / ( temp * temp ) ; |
---|
| 1628 | w0_p++ ; |
---|
| 1629 | } |
---|
| 1630 | w1_p++ ; |
---|
| 1631 | } |
---|
| 1632 | w.putStorage( w_p, b0 ) ; |
---|
| 1633 | tint.freeStorage( ti_p, b1 ) ; |
---|
| 1634 | } |
---|
| 1635 | else { |
---|
| 1636 | //LogIO os( LogOrigin("STGrid", "getWeight", WHERE) ) ; |
---|
| 1637 | //os << LogIO::WARN << "Unsupported weight type '" << wtype_ << "', apply UNIFORM weight" << LogIO::POST ; |
---|
| 1638 | w = 1.0 ; |
---|
| 1639 | } |
---|
| 1640 | } |
---|
| 1641 | |
---|
[2375] | 1642 | void STGrid::toInt( Array<uChar> &u, Array<Int> &v ) |
---|
[2356] | 1643 | { |
---|
[2375] | 1644 | uInt len = u.nelements() ; |
---|
[2356] | 1645 | Int *int_p = new Int[len] ; |
---|
| 1646 | Bool deleteIt ; |
---|
[2375] | 1647 | const uChar *data_p = u.getStorage( deleteIt ) ; |
---|
[2356] | 1648 | Int *i_p = int_p ; |
---|
| 1649 | const uChar *u_p = data_p ; |
---|
| 1650 | for ( uInt i = 0 ; i < len ; i++ ) { |
---|
| 1651 | *i_p = ( *u_p == 0 ) ? 0 : 1 ; |
---|
| 1652 | i_p++ ; |
---|
| 1653 | u_p++ ; |
---|
| 1654 | } |
---|
[2375] | 1655 | u.freeStorage( data_p, deleteIt ) ; |
---|
| 1656 | v.takeStorage( u.shape(), int_p, TAKE_OVER ) ; |
---|
[2356] | 1657 | } |
---|
| 1658 | |
---|
[2375] | 1659 | void STGrid::toInt( Array<uInt> &u, Array<Int> &v ) |
---|
[2356] | 1660 | { |
---|
[2375] | 1661 | uInt len = u.nelements() ; |
---|
[2356] | 1662 | Int *int_p = new Int[len] ; |
---|
| 1663 | Bool deleteIt ; |
---|
[2375] | 1664 | const uInt *data_p = u.getStorage( deleteIt ) ; |
---|
[2356] | 1665 | Int *i_p = int_p ; |
---|
| 1666 | const uInt *u_p = data_p ; |
---|
| 1667 | for ( uInt i = 0 ; i < len ; i++ ) { |
---|
| 1668 | *i_p = ( *u_p == 0 ) ? 0 : 1 ; |
---|
| 1669 | i_p++ ; |
---|
| 1670 | u_p++ ; |
---|
| 1671 | } |
---|
[2375] | 1672 | u.freeStorage( data_p, deleteIt ) ; |
---|
| 1673 | v.takeStorage( u.shape(), int_p, TAKE_OVER ) ; |
---|
[2356] | 1674 | } |
---|
| 1675 | |
---|
[2375] | 1676 | void STGrid::toPixel( Array<Double> &world, Array<Double> &pixel ) |
---|
[2356] | 1677 | { |
---|
[2359] | 1678 | // gridding will be done on (nx_+2*convSupport_) x (ny_+2*convSupport_) |
---|
| 1679 | // grid plane to avoid unexpected behavior on grid edge |
---|
[2375] | 1680 | Block<Double> pixc( 2 ) ; |
---|
| 1681 | pixc[0] = Double( nx_-1 ) * 0.5 ; |
---|
| 1682 | pixc[1] = Double( ny_-1 ) * 0.5 ; |
---|
| 1683 | // pixc[0] = Double( nx_+2*convSupport_-1 ) * 0.5 ; |
---|
| 1684 | // pixc[1] = Double( ny_+2*convSupport_-1 ) * 0.5 ; |
---|
[2356] | 1685 | uInt nrow = world.shape()[1] ; |
---|
[2375] | 1686 | Bool bw, bp ; |
---|
| 1687 | const Double *w_p = world.getStorage( bw ) ; |
---|
| 1688 | Double *p_p = pixel.getStorage( bp ) ; |
---|
| 1689 | const Double *ww_p = w_p ; |
---|
| 1690 | Double *wp_p = p_p ; |
---|
| 1691 | for ( uInt i = 0 ; i < nrow ; i++ ) { |
---|
| 1692 | *wp_p = pixc[0] + ( *ww_p - center_[0] ) / cellx_ ; |
---|
| 1693 | wp_p++ ; |
---|
| 1694 | ww_p++ ; |
---|
| 1695 | *wp_p = pixc[1] + ( *ww_p - center_[1] ) / celly_ ; |
---|
| 1696 | wp_p++ ; |
---|
| 1697 | ww_p++ ; |
---|
[2356] | 1698 | } |
---|
[2375] | 1699 | world.freeStorage( w_p, bw ) ; |
---|
| 1700 | pixel.putStorage( p_p, bp ) ; |
---|
[2364] | 1701 | // String gridfile = "grid."+convType_+"."+String::toString(convSupport_)+".dat" ; |
---|
| 1702 | // ofstream ofs( gridfile.c_str(), ios::out ) ; |
---|
| 1703 | // ofs << "center " << center_(0) << " " << pixc(0) |
---|
| 1704 | // << " " << center_(1) << " " << pixc(1) << endl ; |
---|
| 1705 | // for ( uInt irow = 0 ; irow < nrow ; irow++ ) { |
---|
| 1706 | // ofs << irow ; |
---|
| 1707 | // for ( uInt i = 0 ; i < 2 ; i++ ) { |
---|
| 1708 | // ofs << " " << world(i, irow) << " " << pixel(i, irow) ; |
---|
| 1709 | // } |
---|
| 1710 | // ofs << endl ; |
---|
| 1711 | // } |
---|
| 1712 | // ofs.close() ; |
---|
[2356] | 1713 | } |
---|
| 1714 | |
---|
| 1715 | void STGrid::boxFunc( Vector<Float> &convFunc, Int &convSize ) |
---|
| 1716 | { |
---|
| 1717 | convFunc = 0.0 ; |
---|
| 1718 | for ( Int i = 0 ; i < convSize/2 ; i++ ) |
---|
| 1719 | convFunc(i) = 1.0 ; |
---|
| 1720 | } |
---|
| 1721 | |
---|
| 1722 | #define NEED_UNDERSCORES |
---|
| 1723 | #if defined(NEED_UNDERSCORES) |
---|
| 1724 | #define grdsf grdsf_ |
---|
| 1725 | #endif |
---|
| 1726 | extern "C" { |
---|
| 1727 | void grdsf(Double*, Double*); |
---|
| 1728 | } |
---|
| 1729 | void STGrid::spheroidalFunc( Vector<Float> &convFunc ) |
---|
| 1730 | { |
---|
| 1731 | convFunc = 0.0 ; |
---|
| 1732 | for ( Int i = 0 ; i < convSampling_*convSupport_ ; i++ ) { |
---|
| 1733 | Double nu = Double(i) / Double(convSupport_*convSampling_) ; |
---|
| 1734 | Double val ; |
---|
| 1735 | grdsf( &nu, &val ) ; |
---|
| 1736 | convFunc(i) = ( 1.0 - nu * nu ) * val ; |
---|
| 1737 | } |
---|
| 1738 | } |
---|
| 1739 | |
---|
| 1740 | void STGrid::gaussFunc( Vector<Float> &convFunc ) |
---|
| 1741 | { |
---|
| 1742 | convFunc = 0.0 ; |
---|
[2363] | 1743 | // HWHM of the Gaussian is convSupport_ / 4 |
---|
| 1744 | // To take into account Gaussian tail, kernel cutoff is set to 4 * HWHM |
---|
| 1745 | Int len = convSampling_ * convSupport_ ; |
---|
| 1746 | Double hwhm = len * 0.25 ; |
---|
| 1747 | for ( Int i = 0 ; i < len ; i++ ) { |
---|
[2356] | 1748 | Double val = Double(i) / hwhm ; |
---|
| 1749 | convFunc(i) = exp( -log(2)*val*val ) ; |
---|
| 1750 | } |
---|
| 1751 | } |
---|
| 1752 | |
---|
| 1753 | void STGrid::pbFunc( Vector<Float> &convFunc ) |
---|
| 1754 | { |
---|
| 1755 | convFunc = 0.0 ; |
---|
| 1756 | } |
---|
| 1757 | |
---|
| 1758 | void STGrid::setConvFunc( Vector<Float> &convFunc ) |
---|
| 1759 | { |
---|
| 1760 | convSupport_ = userSupport_ ; |
---|
| 1761 | if ( convType_ == "BOX" ) { |
---|
| 1762 | if ( convSupport_ < 0 ) |
---|
| 1763 | convSupport_ = 0 ; |
---|
| 1764 | Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ; |
---|
| 1765 | convFunc.resize( convSize ) ; |
---|
| 1766 | boxFunc( convFunc, convSize ) ; |
---|
| 1767 | } |
---|
| 1768 | else if ( convType_ == "SF" ) { |
---|
| 1769 | if ( convSupport_ < 0 ) |
---|
| 1770 | convSupport_ = 3 ; |
---|
| 1771 | Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ; |
---|
| 1772 | convFunc.resize( convSize ) ; |
---|
| 1773 | spheroidalFunc( convFunc ) ; |
---|
| 1774 | } |
---|
| 1775 | else if ( convType_ == "GAUSS" ) { |
---|
[2363] | 1776 | // to take into account Gaussian tail |
---|
[2356] | 1777 | if ( convSupport_ < 0 ) |
---|
[2363] | 1778 | convSupport_ = 12 ; // 3 * 4 |
---|
| 1779 | else { |
---|
| 1780 | convSupport_ = userSupport_ * 4 ; |
---|
| 1781 | } |
---|
[2356] | 1782 | Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ; |
---|
| 1783 | convFunc.resize( convSize ) ; |
---|
| 1784 | gaussFunc( convFunc ) ; |
---|
| 1785 | } |
---|
[2359] | 1786 | else if ( convType_ == "PB" ) { |
---|
| 1787 | if ( convSupport_ < 0 ) |
---|
| 1788 | convSupport_ = 0 ; |
---|
[2356] | 1789 | pbFunc( convFunc ) ; |
---|
[2359] | 1790 | } |
---|
[2356] | 1791 | else { |
---|
| 1792 | throw AipsError( "Unsupported convolution function" ) ; |
---|
| 1793 | } |
---|
| 1794 | } |
---|
| 1795 | |
---|
| 1796 | string STGrid::saveData( string outfile ) |
---|
| 1797 | { |
---|
[2368] | 1798 | LogIO os( LogOrigin("STGrid", "saveData", WHERE) ) ; |
---|
| 1799 | double t0, t1 ; |
---|
| 1800 | t0 = mathutil::gettimeofday_sec() ; |
---|
| 1801 | |
---|
[2393] | 1802 | //Int polno = 0 ; |
---|
[2371] | 1803 | String outfile_ ; |
---|
[2356] | 1804 | if ( outfile.size() == 0 ) { |
---|
[2389] | 1805 | if ( infileList_[0].lastchar() == '/' ) { |
---|
| 1806 | outfile_ = infileList_[0].substr( 0, infileList_[0].size()-1 ) ; |
---|
[2356] | 1807 | } |
---|
| 1808 | else { |
---|
[2389] | 1809 | outfile_ = infileList_[0] ; |
---|
[2356] | 1810 | } |
---|
| 1811 | outfile_ += ".grid" ; |
---|
| 1812 | } |
---|
| 1813 | else { |
---|
| 1814 | outfile_ = outfile ; |
---|
| 1815 | } |
---|
[2371] | 1816 | Table tab ; |
---|
| 1817 | prepareTable( tab, outfile_ ) ; |
---|
[2356] | 1818 | IPosition dshape = data_.shape() ; |
---|
[2361] | 1819 | Int nrow = nx_ * ny_ * npol_ ; |
---|
| 1820 | tab.rwKeywordSet().define( "nPol", npol_ ) ; |
---|
[2360] | 1821 | tab.addRow( nrow ) ; |
---|
[2356] | 1822 | Vector<Double> cpix( 2 ) ; |
---|
| 1823 | cpix(0) = Double( nx_ - 1 ) * 0.5 ; |
---|
| 1824 | cpix(1) = Double( ny_ - 1 ) * 0.5 ; |
---|
| 1825 | Vector<Double> dir( 2 ) ; |
---|
| 1826 | ArrayColumn<Double> directionCol( tab, "DIRECTION" ) ; |
---|
| 1827 | ArrayColumn<Float> spectraCol( tab, "SPECTRA" ) ; |
---|
| 1828 | ScalarColumn<uInt> polnoCol( tab, "POLNO" ) ; |
---|
| 1829 | Int irow = 0 ; |
---|
[2371] | 1830 | Vector<Float> sp( nchan_ ) ; |
---|
| 1831 | Bool bsp, bdata ; |
---|
| 1832 | const Float *data_p = data_.getStorage( bdata ) ; |
---|
| 1833 | Float *wsp_p, *sp_p ; |
---|
| 1834 | const Float *wdata_p = data_p ; |
---|
| 1835 | long step = nx_ * ny_ * npol_ ; |
---|
| 1836 | long offset ; |
---|
[2356] | 1837 | for ( Int iy = 0 ; iy < ny_ ; iy++ ) { |
---|
[2371] | 1838 | dir(1) = center_(1) - ( cpix(1) - (Double)iy ) * celly_ ; |
---|
[2356] | 1839 | for ( Int ix = 0 ; ix < nx_ ; ix++ ) { |
---|
[2371] | 1840 | dir(0) = center_(0) - ( cpix(0) - (Double)ix ) * cellx_ ; |
---|
[2361] | 1841 | for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) { |
---|
[2371] | 1842 | offset = ix + iy * nx_ + ipol * nx_ * ny_ ; |
---|
| 1843 | //os << "offset = " << offset << LogIO::POST ; |
---|
| 1844 | sp_p = sp.getStorage( bsp ) ; |
---|
| 1845 | wsp_p = sp_p ; |
---|
| 1846 | wdata_p = data_p + offset ; |
---|
| 1847 | for ( Int ichan = 0 ; ichan < nchan_ ; ichan++ ) { |
---|
| 1848 | *wsp_p = *wdata_p ; |
---|
| 1849 | wsp_p++ ; |
---|
| 1850 | wdata_p += step ; |
---|
| 1851 | } |
---|
| 1852 | sp.putStorage( sp_p, bsp ) ; |
---|
[2356] | 1853 | spectraCol.put( irow, sp ) ; |
---|
| 1854 | directionCol.put( irow, dir ) ; |
---|
[2360] | 1855 | polnoCol.put( irow, pollist_[ipol] ) ; |
---|
[2356] | 1856 | irow++ ; |
---|
| 1857 | } |
---|
| 1858 | } |
---|
| 1859 | } |
---|
[2371] | 1860 | data_.freeStorage( data_p, bdata ) ; |
---|
[2368] | 1861 | |
---|
| 1862 | t1 = mathutil::gettimeofday_sec() ; |
---|
| 1863 | os << "saveData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ; |
---|
[2374] | 1864 | |
---|
[2356] | 1865 | return outfile_ ; |
---|
| 1866 | } |
---|
| 1867 | |
---|
[2371] | 1868 | void STGrid::prepareTable( Table &tab, String &name ) |
---|
| 1869 | { |
---|
[2389] | 1870 | Table t( infileList_[0], Table::Old ) ; |
---|
[2371] | 1871 | t.deepCopy( name, Table::New, False, t.endianFormat(), True ) ; |
---|
| 1872 | tab = Table( name, Table::Update ) ; |
---|
[2356] | 1873 | } |
---|
[2379] | 1874 | |
---|
[2371] | 1875 | } |
---|