[2356] | 1 | #include <iostream>
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| 2 | #include <fstream>
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| 3 |
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| 4 | #include <casa/BasicSL/String.h>
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| 5 | #include <casa/Arrays/Vector.h>
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| 6 | #include <casa/Arrays/Matrix.h>
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| 7 | #include <casa/Arrays/Cube.h>
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| 8 | #include <casa/Arrays/ArrayMath.h>
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[2375] | 9 | #include <casa/Arrays/ArrayIter.h>
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[2356] | 10 | #include <casa/Quanta/Quantum.h>
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| 11 | #include <casa/Quanta/QuantumHolder.h>
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| 12 | #include <casa/Utilities/CountedPtr.h>
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[2361] | 13 | #include <casa/Logging/LogIO.h>
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[2356] | 14 |
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| 15 | #include <tables/Tables/Table.h>
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[2360] | 16 | #include <tables/Tables/TableRecord.h>
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| 17 | #include <tables/Tables/ExprNode.h>
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[2356] | 18 | #include <tables/Tables/ScalarColumn.h>
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| 19 | #include <tables/Tables/ArrayColumn.h>
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[2379] | 20 | #include <tables/Tables/TableIter.h>
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[2356] | 21 |
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| 22 | #include <measures/Measures/MDirection.h>
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| 23 |
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[2364] | 24 | #include <MathUtils.h>
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| 25 |
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[2356] | 26 | #include "STGrid.h"
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| 27 |
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| 28 | using namespace std ;
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| 29 | using namespace casa ;
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| 30 | using namespace asap ;
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| 31 |
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| 32 | namespace asap {
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| 33 |
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| 34 | // constructor
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| 35 | STGrid::STGrid()
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| 36 | {
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| 37 | init() ;
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| 38 | }
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| 39 |
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| 40 | STGrid::STGrid( const string infile )
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| 41 | {
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| 42 | init() ;
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| 43 |
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| 44 | setFileIn( infile ) ;
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| 45 | }
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| 46 |
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| 47 | void STGrid::init()
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| 48 | {
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[2362] | 49 | ifno_ = -1 ;
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[2356] | 50 | nx_ = -1 ;
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| 51 | ny_ = -1 ;
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[2361] | 52 | npol_ = 0 ;
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| 53 | nchan_ = 0 ;
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| 54 | nrow_ = 0 ;
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[2356] | 55 | cellx_ = 0.0 ;
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| 56 | celly_ = 0.0 ;
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| 57 | center_ = Vector<Double> ( 2, 0.0 ) ;
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| 58 | convType_ = "BOX" ;
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[2361] | 59 | wtype_ = "UNIFORM" ;
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[2356] | 60 | convSupport_ = -1 ;
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| 61 | userSupport_ = -1 ;
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| 62 | convSampling_ = 100 ;
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[2379] | 63 | nprocessed_ = 0 ;
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| 64 | nchunk_ = 0 ;
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[2356] | 65 | }
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| 66 |
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| 67 | void STGrid::setFileIn( const string infile )
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| 68 | {
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| 69 | String name( infile ) ;
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| 70 | if ( infile_.compare( name ) != 0 ) {
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| 71 | infile_ = String( infile ) ;
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| 72 | tab_ = Table( infile_ ) ;
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| 73 | }
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| 74 | }
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| 75 |
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[2360] | 76 | void STGrid::setPolList( vector<unsigned int> pols )
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| 77 | {
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| 78 | pollist_.assign( Vector<uInt>( pols ) ) ;
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| 79 | cout << "pollist_ = " << pollist_ << endl ;
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| 80 | }
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| 81 |
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[2364] | 82 | void STGrid::setScanList( vector<unsigned int> scans )
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| 83 | {
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| 84 | scanlist_.assign( Vector<uInt>( scans ) ) ;
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| 85 | cout << "scanlist_ = " << scanlist_ << endl ;
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| 86 | }
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| 87 |
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[2361] | 88 | void STGrid::setWeight( const string wType )
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| 89 | {
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| 90 | wtype_ = String( wType ) ;
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| 91 | wtype_.upcase() ;
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| 92 | cout << "wtype_ = " << wtype_ << endl ;
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| 93 | }
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| 94 |
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[2356] | 95 | void STGrid::defineImage( int nx,
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| 96 | int ny,
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| 97 | string scellx,
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| 98 | string scelly,
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| 99 | string scenter )
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| 100 | {
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| 101 | ROArrayColumn<Double> dirCol( tab_, "DIRECTION" ) ;
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| 102 | Matrix<Double> direction = dirCol.getColumn() ;
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| 103 | Double rmax, rmin, dmax, dmin ;
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| 104 | minMax( rmin, rmax, direction.row( 0 ) ) ;
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| 105 | minMax( dmin, dmax, direction.row( 1 ) ) ;
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| 106 |
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| 107 | Int npx = (Int)nx ;
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| 108 | Int npy = (Int)ny ;
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| 109 | String cellx( scellx ) ;
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| 110 | String celly( scelly ) ;
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| 111 | String center( scenter ) ;
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| 112 | setupGrid( npx, npy,
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| 113 | cellx, celly,
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| 114 | rmin, rmax,
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| 115 | dmin, dmax,
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| 116 | center ) ;
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| 117 | }
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| 118 |
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[2364] | 119 | void STGrid::setFunc( string convType,
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| 120 | int convSupport )
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[2356] | 121 | {
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| 122 | convType_ = String( convType ) ;
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| 123 | convType_.upcase() ;
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| 124 | userSupport_ = (Int)convSupport ;
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| 125 | }
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| 126 |
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| 127 | #define NEED_UNDERSCORES
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| 128 | #if defined(NEED_UNDERSCORES)
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| 129 | #define ggridsd ggridsd_
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| 130 | #endif
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| 131 | extern "C" {
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| 132 | void ggridsd(Double*,
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| 133 | const Complex*,
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| 134 | Int*,
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| 135 | Int*,
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| 136 | Int*,
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| 137 | const Int*,
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| 138 | const Int*,
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| 139 | const Float*,
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| 140 | Int*,
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| 141 | Int*,
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| 142 | Complex*,
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| 143 | Float*,
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| 144 | Int*,
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| 145 | Int*,
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| 146 | Int *,
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| 147 | Int *,
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| 148 | Int*,
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| 149 | Int*,
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| 150 | Float*,
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| 151 | Int*,
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| 152 | Int*,
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| 153 | Double*);
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| 154 | }
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[2381] | 155 | void STGrid::call_ggridsd( Double* xy,
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| 156 | const Complex* values,
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| 157 | Int* nvispol,
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| 158 | Int* nvischan,
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| 159 | const Int* flag,
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| 160 | const Int* rflag,
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| 161 | const Float* weight,
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| 162 | Int* nrow,
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| 163 | Int* irow,
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| 164 | Complex* grid,
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| 165 | Float* wgrid,
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| 166 | Int* nx,
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| 167 | Int* ny,
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| 168 | Int * npol,
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| 169 | Int * nchan,
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| 170 | Int* support,
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| 171 | Int* sampling,
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| 172 | Float* convFunc,
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| 173 | Int *chanMap,
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| 174 | Int *polMap )
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| 175 | {
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| 176 | // parameters for gridding
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| 177 | Int idopsf = 0 ;
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| 178 | Int len = (*npol)*(*nchan) ;
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| 179 | Double *sumw_p = new Double[len] ;
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| 180 | {
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| 181 | Double *work_p = sumw_p ;
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| 182 | for ( Int i = 0 ; i < len ; i++ ) {
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| 183 | *work_p = 0.0 ;
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| 184 | work_p++ ;
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| 185 | }
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| 186 | }
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| 187 |
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| 188 | // call ggridsd
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| 189 | ggridsd( xy,
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| 190 | values,
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| 191 | nvispol,
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| 192 | nvischan,
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| 193 | &idopsf,
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| 194 | flag,
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| 195 | rflag,
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| 196 | weight,
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| 197 | nrow,
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| 198 | irow,
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| 199 | grid,
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| 200 | wgrid,
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| 201 | nx,
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| 202 | ny,
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| 203 | npol,
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| 204 | nchan,
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| 205 | support,
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| 206 | sampling,
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| 207 | convFunc,
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| 208 | chanMap,
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| 209 | polMap,
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| 210 | sumw_p ) ;
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| 211 |
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| 212 | // finalization
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| 213 | delete sumw_p ;
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| 214 | }
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| 215 |
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[2378] | 216 | void STGrid::gridPerRow()
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| 217 | {
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| 218 | LogIO os( LogOrigin("STGrid", "gridPerRow", WHERE) ) ;
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| 219 | double t0, t1 ;
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| 220 |
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| 221 | // grid parameter
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| 222 | os << LogIO::DEBUGGING ;
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| 223 | os << "----------" << endl ;
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| 224 | os << "Grid parameter summary" << endl ;
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| 225 | os << " (nx,ny) = (" << nx_ << "," << ny_ << ")" << endl ;
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| 226 | os << " (cellx,celly) = (" << cellx_ << "," << celly_ << ")" << endl ;
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| 227 | os << " center = " << center_ << endl ;
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| 228 | os << "----------" << LogIO::POST ;
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| 229 | os << LogIO::NORMAL ;
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| 230 |
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| 231 | // boolean for getStorage
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| 232 | Bool deletePos, deleteData, deleteWgt, deleteFlag, deleteFlagR, deleteConv, deleteDataG, deleteWgtG ;
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| 233 |
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| 234 | // convolution kernel
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| 235 | Vector<Float> convFunc ;
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| 236 | t0 = mathutil::gettimeofday_sec() ;
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| 237 | setConvFunc( convFunc ) ;
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| 238 | t1 = mathutil::gettimeofday_sec() ;
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| 239 | os << "setConvFunc: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
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| 240 | //cout << "convSupport=" << convSupport_ << endl ;
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| 241 | //cout << "convFunc=" << convFunc << endl ;
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| 242 |
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[2379] | 243 | // grid data
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[2378] | 244 | Int gnx = nx_ ;
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| 245 | Int gny = ny_ ;
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[2379] | 246 | // Extend grid plane with convSupport_
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[2378] | 247 | // Int gnx = nx_+convSupport_*2 ;
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| 248 | // Int gny = ny_+convSupport_*2 ;
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| 249 | IPosition gshape( 4, gnx, gny, npol_, nchan_ ) ;
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| 250 | Array<Complex> gdataArrC( gshape, 0.0 ) ;
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| 251 | // 2011/12/20 TN
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| 252 | // data_ and gwgtArr share storage
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| 253 | data_.resize( gshape ) ;
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| 254 | data_ = 0.0 ;
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| 255 | Array<Float> gwgtArr( data_ ) ;
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| 256 |
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| 257 | // data storage
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[2379] | 258 | Int irow = -1 ;
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[2380] | 259 | IPosition cshape( 3, npol_, nchan_, nchunk_ ) ;
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| 260 | IPosition mshape( 2, npol_, nchunk_ ) ;
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| 261 | IPosition vshape( 1, nchunk_ ) ;
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[2379] | 262 | IPosition dshape( 2, 2, nchunk_ ) ;
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[2380] | 263 | IPosition wshape( 2, nchan_, nchunk_ ) ;
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| 264 | Array<Complex> spectra( cshape ) ;
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[2378] | 265 | Array<Double> direction( dshape ) ;
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[2380] | 266 | Array<Int> flagtra( cshape ) ;
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[2378] | 267 | Array<Int> rflag( vshape ) ;
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[2380] | 268 | Array<Float> weight( wshape ) ;
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[2378] | 269 | Array<Double> xypos( dshape ) ;
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| 270 |
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[2381] | 271 | spectraF_.resize( cshape ) ;
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| 272 | flagtraUC_.resize( cshape ) ;
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| 273 | rflagUI_.resize( vshape ) ;
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| 274 |
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[2379] | 275 | // parameters for gridding
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| 276 | Int *chanMap = new Int[nchan_] ;
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| 277 | {
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| 278 | Int *work_p = chanMap ;
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| 279 | for ( Int i = 0 ; i < nchan_ ; i++ ) {
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| 280 | *work_p = i ;
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| 281 | work_p++ ;
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| 282 | }
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| 283 | }
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| 284 | Int *polMap = new Int[npol_] ;
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| 285 | {
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| 286 | Int *work_p = polMap ;
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| 287 | for ( Int i = 0 ; i < npol_ ; i++ ) {
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| 288 | *work_p = i ;
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| 289 | work_p++ ;
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| 290 | }
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| 291 | }
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| 292 |
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| 293 | // for performance check
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| 294 | double eGetDataChunk = 0.0 ;
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| 295 | double eToPixel = 0.0 ;
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| 296 | double eGGridSD = 0.0 ;
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[2381] | 297 | double eToInt = 0.0 ;
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[2379] | 298 |
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[2380] | 299 | // prepare pointer
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| 300 | Float *conv_p = convFunc.getStorage( deleteConv ) ;
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| 301 | Complex *gdata_p = gdataArrC.getStorage( deleteDataG ) ;
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| 302 | Float *wdata_p = gwgtArr.getStorage( deleteWgtG ) ;
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| 303 | const Complex *data_p = spectra.getStorage( deleteData ) ;
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| 304 | const Float *wgt_p = weight.getStorage( deleteWgt ) ;
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| 305 | const Int *flag_p = flagtra.getStorage( deleteFlag ) ;
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| 306 | const Int *rflag_p = rflag.getStorage( deleteFlagR ) ;
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| 307 | Double *xypos_p = xypos.getStorage( deletePos ) ;
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| 308 |
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[2378] | 309 | while( !pastEnd() ) {
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| 310 | // retrieve data
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[2379] | 311 | t0 = mathutil::gettimeofday_sec() ;
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| 312 | Int nrow = getDataChunk( spectra, direction, flagtra, rflag, weight ) ;
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| 313 | //os << "nrow = " << nrow << LogIO::POST ;
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| 314 | t1 = mathutil::gettimeofday_sec() ;
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| 315 | eGetDataChunk += t1-t0 ;
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[2381] | 316 | eToInt += subtime_ ;
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[2378] | 317 |
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| 318 | // world -> pixel
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[2379] | 319 | t0 = mathutil::gettimeofday_sec() ;
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[2378] | 320 | toPixel( direction, xypos ) ;
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[2379] | 321 | t1 = mathutil::gettimeofday_sec() ;
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| 322 | eToPixel += t1-t0 ;
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| 323 |
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[2378] | 324 | // call ggridsd
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[2379] | 325 | irow = -1 ;
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| 326 | t0 = mathutil::gettimeofday_sec() ;
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[2381] | 327 | call_ggridsd( xypos_p,
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| 328 | data_p,
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| 329 | &npol_,
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| 330 | &nchan_,
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| 331 | flag_p,
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| 332 | rflag_p,
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| 333 | wgt_p,
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| 334 | &nrow,
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| 335 | &irow,
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| 336 | gdata_p,
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| 337 | wdata_p,
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| 338 | &gnx,
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| 339 | &gny,
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| 340 | &npol_,
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| 341 | &nchan_,
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| 342 | &convSupport_,
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| 343 | &convSampling_,
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| 344 | conv_p,
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| 345 | chanMap,
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| 346 | polMap ) ;
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[2379] | 347 | t1 = mathutil::gettimeofday_sec() ;
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| 348 | eGGridSD += t1-t0 ;
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| 349 |
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[2378] | 350 | }
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[2379] | 351 | os << "getDataChunk: elapsed time is " << eGetDataChunk << " sec." << LogIO::POST ;
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| 352 | os << "toPixel: elapsed time is " << eToPixel << " sec." << LogIO::POST ;
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| 353 | os << "ggridsd: elapsed time is " << eGGridSD << " sec." << LogIO::POST ;
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[2381] | 354 | os << "toInt: elapsed time is " << eToInt << " sec." << LogIO::POST ;
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[2379] | 355 |
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| 356 | // finalization
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[2380] | 357 | convFunc.putStorage( conv_p, deleteConv ) ;
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| 358 | gdataArrC.putStorage( gdata_p, deleteDataG ) ;
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| 359 | gwgtArr.putStorage( wdata_p, deleteWgtG ) ;
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| 360 | xypos.putStorage( xypos_p, deletePos ) ;
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| 361 | spectra.freeStorage( data_p, deleteData ) ;
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| 362 | weight.freeStorage( wgt_p, deleteWgt ) ;
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| 363 | flagtra.freeStorage( flag_p, deleteFlag ) ;
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| 364 | rflag.freeStorage( rflag_p, deleteFlagR ) ;
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[2379] | 365 | delete polMap ;
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| 366 | delete chanMap ;
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| 367 |
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[2378] | 368 | // set data
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| 369 | setData( gdataArrC, gwgtArr ) ;
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[2379] | 370 |
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[2378] | 371 | }
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| 372 |
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| 373 | Bool STGrid::pastEnd()
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| 374 | {
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[2379] | 375 | LogIO os( LogOrigin("STGrid","pastEnd",WHERE) ) ;
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| 376 | Bool b = nprocessed_ >= nrow_ ;
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[2378] | 377 | return b ;
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| 378 | }
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| 379 |
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[2379] | 380 | void STGrid::grid()
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[2356] | 381 | {
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[2379] | 382 | // data selection
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| 383 | selectData() ;
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| 384 | setupArray() ;
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| 385 | sortData() ;
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| 386 |
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| 387 | if ( npol_ > 1 ) {
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| 388 | LogIO os( LogOrigin("STGrid", "grid", WHERE) ) ;
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| 389 | os << LogIO::WARN << "STGrid doesn't support assigning polarization-dependent weight. Use averaged weight over polarization." << LogIO::POST ;
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| 390 | }
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| 391 |
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| 392 | if ( wtype_.compare("UNIFORM") != 0 &&
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| 393 | wtype_.compare("TINT") != 0 &&
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| 394 | wtype_.compare("TINTSYS") != 0 ) {
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| 395 | LogIO os( LogOrigin("STGrid", "grid", WHERE) ) ;
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| 396 | os << LogIO::WARN << "Unsupported weight type '" << wtype_ << "', apply UNIFORM weight" << LogIO::POST ;
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| 397 | wtype_ = "UNIFORM" ;
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| 398 | }
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| 399 |
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| 400 | Bool doAll = examine() ;
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| 401 |
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| 402 | if ( doAll )
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| 403 | gridAll() ;
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| 404 | else
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| 405 | gridPerRow() ;
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| 406 | }
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| 407 |
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| 408 | Bool STGrid::examine()
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| 409 | {
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| 410 | // TODO: nchunk_ must be determined from nchan_, npol_, and (nx_,ny_)
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| 411 | // by considering data size to be allocated for ggridsd input/output
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| 412 | nchunk_ = 100 ;
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| 413 | Bool b = nchunk_ >= nrow_ ;
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[2381] | 414 | nchunk_ = min( nchunk_, nrow_ ) ;
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[2379] | 415 | return b ;
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| 416 | }
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| 417 |
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| 418 | void STGrid::gridAll()
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| 419 | {
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[2381] | 420 | LogIO os( LogOrigin("STGrid", "gridAll", WHERE) ) ;
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[2356] | 421 |
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| 422 | // retrieve data
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[2375] | 423 | Array<Complex> spectra ;
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| 424 | Array<Double> direction ;
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| 425 | Array<Int> flagtra ;
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| 426 | Array<Int> rflag ;
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| 427 | Array<Float> weight ;
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[2364] | 428 | double t0, t1 ;
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| 429 | t0 = mathutil::gettimeofday_sec() ;
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[2362] | 430 | getData( spectra, direction, flagtra, rflag, weight ) ;
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[2364] | 431 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 432 | os << "getData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
[2356] | 433 | IPosition sshape = spectra.shape() ;
|
---|
[2361] | 434 | //os << "spectra.shape()=" << spectra.shape() << LogIO::POST ;
|
---|
| 435 | //os << "max(spectra) = " << max(spectra) << LogIO::POST ;
|
---|
| 436 | //os << "weight = " << weight << LogIO::POST ;
|
---|
[2356] | 437 |
|
---|
| 438 | // grid parameter
|
---|
[2362] | 439 | os << LogIO::DEBUGGING ;
|
---|
| 440 | os << "----------" << endl ;
|
---|
| 441 | os << "Grid parameter summary" << endl ;
|
---|
| 442 | os << " (nx,ny) = (" << nx_ << "," << ny_ << ")" << endl ;
|
---|
| 443 | os << " (cellx,celly) = (" << cellx_ << "," << celly_ << ")" << endl ;
|
---|
| 444 | os << " center = " << center_ << endl ;
|
---|
| 445 | os << "----------" << LogIO::POST ;
|
---|
| 446 | os << LogIO::NORMAL ;
|
---|
[2356] | 447 |
|
---|
[2359] | 448 | // convolution kernel
|
---|
| 449 | Vector<Float> convFunc ;
|
---|
[2364] | 450 | t0 = mathutil::gettimeofday_sec() ;
|
---|
[2359] | 451 | setConvFunc( convFunc ) ;
|
---|
[2364] | 452 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 453 | os << "setConvFunc: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
[2359] | 454 | //cout << "convSupport=" << convSupport_ << endl ;
|
---|
| 455 | //cout << "convFunc=" << convFunc << endl ;
|
---|
| 456 |
|
---|
[2356] | 457 | // world -> pixel
|
---|
[2375] | 458 | Array<Double> xypos( direction.shape(), 0.0 ) ;
|
---|
[2364] | 459 | t0 = mathutil::gettimeofday_sec() ;
|
---|
[2356] | 460 | toPixel( direction, xypos ) ;
|
---|
[2364] | 461 | t1 = mathutil::gettimeofday_sec() ;
|
---|
[2375] | 462 | //os << "xypos=" << xypos << LogIO::POST ;
|
---|
[2364] | 463 | os << "toPixel: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
[2356] | 464 |
|
---|
[2361] | 465 | // call ggridsd
|
---|
[2356] | 466 | Bool deletePos, deleteData, deleteWgt, deleteFlag, deleteFlagR, deleteConv, deleteDataG, deleteWgtG ;
|
---|
| 467 | Double *xypos_p = xypos.getStorage( deletePos ) ;
|
---|
[2374] | 468 | const Complex *data_p = spectra.getStorage( deleteData ) ;
|
---|
[2356] | 469 | const Float *wgt_p = weight.getStorage( deleteWgt ) ;
|
---|
[2375] | 470 | //const Int *flag_p = flagI.getStorage( deleteFlag ) ;
|
---|
| 471 | //const Int *rflag_p = rflagI.getStorage( deleteFlagR ) ;
|
---|
| 472 | const Int *flag_p = flagtra.getStorage( deleteFlag ) ;
|
---|
| 473 | const Int *rflag_p = rflag.getStorage( deleteFlagR ) ;
|
---|
[2356] | 474 | Float *conv_p = convFunc.getStorage( deleteConv ) ;
|
---|
[2359] | 475 | // Extend grid plane with convSupport_
|
---|
[2364] | 476 | Int gnx = nx_ ;
|
---|
| 477 | Int gny = ny_ ;
|
---|
| 478 | // Int gnx = nx_+convSupport_*2 ;
|
---|
| 479 | // Int gny = ny_+convSupport_*2 ;
|
---|
[2361] | 480 | IPosition gshape( 4, gnx, gny, npol_, nchan_ ) ;
|
---|
[2356] | 481 | Array<Complex> gdataArrC( gshape, 0.0 ) ;
|
---|
[2378] | 482 | //Array<Float> gwgtArr( gshape, 0.0 ) ;
|
---|
| 483 | // 2011/12/20 TN
|
---|
| 484 | // data_ and weight array shares storage
|
---|
| 485 | data_.resize( gshape ) ;
|
---|
| 486 | data_ = 0.0 ;
|
---|
| 487 | Array<Float> gwgtArr( data_ ) ;
|
---|
[2356] | 488 | Complex *gdata_p = gdataArrC.getStorage( deleteDataG ) ;
|
---|
| 489 | Float *wdata_p = gwgtArr.getStorage( deleteWgtG ) ;
|
---|
[2361] | 490 | Int *chanMap = new Int[nchan_] ;
|
---|
[2356] | 491 | {
|
---|
| 492 | Int *work_p = chanMap ;
|
---|
[2361] | 493 | for ( Int i = 0 ; i < nchan_ ; i++ ) {
|
---|
[2356] | 494 | *work_p = i ;
|
---|
| 495 | work_p++ ;
|
---|
| 496 | }
|
---|
| 497 | }
|
---|
[2361] | 498 | Int *polMap = new Int[npol_] ;
|
---|
[2356] | 499 | {
|
---|
| 500 | Int *work_p = polMap ;
|
---|
[2361] | 501 | for ( Int i = 0 ; i < npol_ ; i++ ) {
|
---|
[2356] | 502 | *work_p = i ;
|
---|
| 503 | work_p++ ;
|
---|
| 504 | }
|
---|
| 505 | }
|
---|
[2364] | 506 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 507 | Int irow = -1 ;
|
---|
[2381] | 508 | call_ggridsd( xypos_p,
|
---|
| 509 | data_p,
|
---|
| 510 | &npol_,
|
---|
| 511 | &nchan_,
|
---|
| 512 | flag_p,
|
---|
| 513 | rflag_p,
|
---|
| 514 | wgt_p,
|
---|
| 515 | &nrow_,
|
---|
| 516 | &irow,
|
---|
| 517 | gdata_p,
|
---|
| 518 | wdata_p,
|
---|
| 519 | &gnx,
|
---|
| 520 | &gny,
|
---|
| 521 | &npol_,
|
---|
| 522 | &nchan_,
|
---|
| 523 | &convSupport_,
|
---|
| 524 | &convSampling_,
|
---|
| 525 | conv_p,
|
---|
| 526 | chanMap,
|
---|
| 527 | polMap ) ;
|
---|
[2364] | 528 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 529 | os << "ggridsd: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
[2356] | 530 | xypos.putStorage( xypos_p, deletePos ) ;
|
---|
[2374] | 531 | spectra.freeStorage( data_p, deleteData ) ;
|
---|
[2356] | 532 | weight.freeStorage( wgt_p, deleteWgt ) ;
|
---|
[2375] | 533 | flagtra.freeStorage( flag_p, deleteFlag ) ;
|
---|
| 534 | rflag.freeStorage( rflag_p, deleteFlagR ) ;
|
---|
[2356] | 535 | convFunc.putStorage( conv_p, deleteConv ) ;
|
---|
| 536 | delete polMap ;
|
---|
| 537 | delete chanMap ;
|
---|
| 538 | gdataArrC.putStorage( gdata_p, deleteDataG ) ;
|
---|
| 539 | gwgtArr.putStorage( wdata_p, deleteWgtG ) ;
|
---|
[2378] | 540 | setData( gdataArrC, gwgtArr ) ;
|
---|
[2361] | 541 | //Matrix<Double> sumWeight( IPosition( 2, npol_, nchan_ ), sumw_p, TAKE_OVER ) ;
|
---|
[2356] | 542 | //cout << "sumWeight = " << sumWeight << endl ;
|
---|
[2364] | 543 | // os << "gdataArr = " << gdataArr << LogIO::POST ;
|
---|
| 544 | // os << "gwgtArr = " << gwgtArr << LogIO::POST ;
|
---|
| 545 | // os << "data_ " << data_ << LogIO::POST ;
|
---|
[2356] | 546 | }
|
---|
| 547 |
|
---|
[2378] | 548 | void STGrid::setData( Array<Complex> &gdata,
|
---|
[2368] | 549 | Array<Float> &gwgt )
|
---|
| 550 | {
|
---|
[2378] | 551 | // 2011/12/20 TN
|
---|
| 552 | // gwgt and data_ share storage
|
---|
[2368] | 553 | LogIO os( LogOrigin("STGrid","setData",WHERE) ) ;
|
---|
| 554 | double t0, t1 ;
|
---|
| 555 | t0 = mathutil::gettimeofday_sec() ;
|
---|
[2378] | 556 | uInt len = data_.nelements() ;
|
---|
[2374] | 557 | const Complex *w1_p ;
|
---|
[2378] | 558 | Float *w2_p ;
|
---|
[2379] | 559 | Bool b1, b2 ;
|
---|
[2374] | 560 | const Complex *gdata_p = gdata.getStorage( b1 ) ;
|
---|
[2378] | 561 | Float *gwgt_p = data_.getStorage( b2 ) ;
|
---|
[2368] | 562 | w1_p = gdata_p ;
|
---|
| 563 | w2_p = gwgt_p ;
|
---|
| 564 | for ( uInt i = 0 ; i < len ; i++ ) {
|
---|
[2378] | 565 | if ( *w2_p > 0.0 ) *w2_p = (*w1_p).real() / *w2_p ;
|
---|
[2368] | 566 | w1_p++ ;
|
---|
| 567 | w2_p++ ;
|
---|
| 568 | }
|
---|
| 569 | gdata.freeStorage( gdata_p, b1 ) ;
|
---|
[2378] | 570 | data_.putStorage( gwgt_p, b2 ) ;
|
---|
[2368] | 571 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 572 | os << "setData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
| 573 | }
|
---|
| 574 |
|
---|
[2356] | 575 | void STGrid::setupGrid( Int &nx,
|
---|
| 576 | Int &ny,
|
---|
| 577 | String &cellx,
|
---|
| 578 | String &celly,
|
---|
| 579 | Double &xmin,
|
---|
| 580 | Double &xmax,
|
---|
| 581 | Double &ymin,
|
---|
| 582 | Double &ymax,
|
---|
| 583 | String ¢er )
|
---|
| 584 | {
|
---|
[2375] | 585 | LogIO os( LogOrigin("STGrid","setupGrid",WHERE) ) ;
|
---|
[2356] | 586 | //cout << "nx=" << nx << ", ny=" << ny << endl ;
|
---|
[2359] | 587 |
|
---|
| 588 | // center position
|
---|
| 589 | if ( center.size() == 0 ) {
|
---|
| 590 | center_(0) = 0.5 * ( xmin + xmax ) ;
|
---|
| 591 | center_(1) = 0.5 * ( ymin + ymax ) ;
|
---|
| 592 | }
|
---|
| 593 | else {
|
---|
| 594 | String::size_type pos0 = center.find( " " ) ;
|
---|
| 595 | if ( pos0 == String::npos ) {
|
---|
| 596 | throw AipsError( "bad string format in parameter center" ) ;
|
---|
| 597 | }
|
---|
| 598 | String::size_type pos1 = center.find( " ", pos0+1 ) ;
|
---|
| 599 | String typestr, xstr, ystr ;
|
---|
| 600 | if ( pos1 != String::npos ) {
|
---|
| 601 | typestr = center.substr( 0, pos0 ) ;
|
---|
| 602 | xstr = center.substr( pos0+1, pos1-pos0 ) ;
|
---|
| 603 | ystr = center.substr( pos1+1 ) ;
|
---|
| 604 | // todo: convert to J2000 (or direction ref for DIRECTION column)
|
---|
| 605 | }
|
---|
| 606 | else {
|
---|
| 607 | typestr = "J2000" ;
|
---|
| 608 | xstr = center.substr( 0, pos0 ) ;
|
---|
| 609 | ystr = center.substr( pos0+1 ) ;
|
---|
| 610 | }
|
---|
| 611 | QuantumHolder qh ;
|
---|
| 612 | String err ;
|
---|
| 613 | qh.fromString( err, xstr ) ;
|
---|
| 614 | Quantum<Double> xcen = qh.asQuantumDouble() ;
|
---|
| 615 | qh.fromString( err, ystr ) ;
|
---|
| 616 | Quantum<Double> ycen = qh.asQuantumDouble() ;
|
---|
| 617 | center_(0) = xcen.getValue( "rad" ) ;
|
---|
| 618 | center_(1) = ycen.getValue( "rad" ) ;
|
---|
| 619 | }
|
---|
| 620 |
|
---|
| 621 |
|
---|
[2356] | 622 | nx_ = nx ;
|
---|
| 623 | ny_ = ny ;
|
---|
| 624 | if ( nx < 0 && ny > 0 ) {
|
---|
| 625 | nx_ = ny ;
|
---|
| 626 | ny_ = ny ;
|
---|
| 627 | }
|
---|
| 628 | if ( ny < 0 && nx > 0 ) {
|
---|
| 629 | nx_ = nx ;
|
---|
| 630 | ny_ = nx ;
|
---|
| 631 | }
|
---|
[2375] | 632 |
|
---|
| 633 | //Double wx = xmax - xmin ;
|
---|
| 634 | //Double wy = ymax - ymin ;
|
---|
| 635 | Double wx = max( abs(xmax-center_(0)), abs(xmin-center_(0)) ) * 2 ;
|
---|
| 636 | Double wy = max( abs(ymax-center_(1)), abs(ymin-center_(1)) ) * 2 ;
|
---|
| 637 | // take 10% margin
|
---|
| 638 | wx *= 1.10 ;
|
---|
| 639 | wy *= 1.10 ;
|
---|
| 640 |
|
---|
| 641 | Quantum<Double> qcellx ;
|
---|
| 642 | Quantum<Double> qcelly ;
|
---|
[2356] | 643 | //cout << "nx_ = " << nx_ << ", ny_ = " << ny_ << endl ;
|
---|
| 644 | if ( cellx.size() != 0 && celly.size() != 0 ) {
|
---|
| 645 | readQuantity( qcellx, cellx ) ;
|
---|
| 646 | readQuantity( qcelly, celly ) ;
|
---|
| 647 | }
|
---|
| 648 | else if ( celly.size() != 0 ) {
|
---|
[2375] | 649 | os << "Using celly to x-axis..." << LogIO::POST ;
|
---|
[2356] | 650 | readQuantity( qcelly, celly ) ;
|
---|
| 651 | qcellx = qcelly ;
|
---|
| 652 | }
|
---|
| 653 | else if ( cellx.size() != 0 ) {
|
---|
[2375] | 654 | os << "Using cellx to y-axis..." << LogIO::POST ;
|
---|
[2356] | 655 | readQuantity( qcellx, cellx ) ;
|
---|
| 656 | qcelly = qcellx ;
|
---|
| 657 | }
|
---|
| 658 | else {
|
---|
| 659 | if ( nx_ < 0 ) {
|
---|
[2375] | 660 | os << "No user preference in grid setting. Using default..." << LogIO::POST ;
|
---|
[2356] | 661 | readQuantity( qcellx, "1.0arcmin" ) ;
|
---|
| 662 | qcelly = qcellx ;
|
---|
| 663 | }
|
---|
| 664 | else {
|
---|
[2375] | 665 | if ( wx == 0.0 ) {
|
---|
| 666 | os << "Using default spatial extent (10arcmin) in x" << LogIO::POST ;
|
---|
| 667 | wx = 0.00290888 ;
|
---|
| 668 | }
|
---|
| 669 | if ( wy == 0.0 ) {
|
---|
| 670 | os << "Using default spatial extent (10arcmin) in y" << LogIO::POST ;
|
---|
| 671 | wy = 0.00290888 ;
|
---|
| 672 | }
|
---|
[2356] | 673 | qcellx = Quantum<Double>( wx/nx_, "rad" ) ;
|
---|
| 674 | qcelly = Quantum<Double>( wy/ny_, "rad" ) ;
|
---|
| 675 | }
|
---|
| 676 | }
|
---|
| 677 | cellx_ = qcellx.getValue( "rad" ) ;
|
---|
| 678 | celly_ = qcelly.getValue( "rad" ) ;
|
---|
| 679 | if ( nx_ < 0 ) {
|
---|
[2375] | 680 | if ( wx == 0.0 ) {
|
---|
| 681 | os << "Using default spatial extent (10arcmin) in x" << LogIO::POST ;
|
---|
| 682 | wx = 0.00290888 ;
|
---|
| 683 | }
|
---|
| 684 | if ( wy == 0.0 ) {
|
---|
| 685 | os << "Using default spatial extent (10arcmin) in y" << LogIO::POST ;
|
---|
| 686 | wy = 0.00290888 ;
|
---|
| 687 | }
|
---|
[2356] | 688 | nx_ = Int( ceil( wx/cellx_ ) ) ;
|
---|
| 689 | ny_ = Int( ceil( wy/celly_ ) ) ;
|
---|
| 690 | }
|
---|
| 691 | }
|
---|
| 692 |
|
---|
[2379] | 693 | void STGrid::selectData()
|
---|
[2362] | 694 | {
|
---|
| 695 | Int ifno = ifno_ ;
|
---|
| 696 | Table taborg( infile_ ) ;
|
---|
| 697 | if ( ifno == -1 ) {
|
---|
[2368] | 698 | LogIO os( LogOrigin("STGrid","selectData",WHERE) ) ;
|
---|
[2362] | 699 | // os << LogIO::SEVERE
|
---|
| 700 | // << "Please set IFNO before actual gridding"
|
---|
| 701 | // << LogIO::EXCEPTION ;
|
---|
| 702 | ROScalarColumn<uInt> ifnoCol( taborg, "IFNO" ) ;
|
---|
| 703 | ifno = ifnoCol( 0 ) ;
|
---|
| 704 | os << LogIO::WARN
|
---|
| 705 | << "IFNO is not given. Using default IFNO: " << ifno << LogIO::POST ;
|
---|
| 706 | }
|
---|
[2364] | 707 | // tab = taborg( taborg.col("IFNO") == ifno ) ;
|
---|
| 708 | TableExprNode node ;
|
---|
| 709 | node = taborg.col("IFNO") == ifno ;
|
---|
| 710 | if ( scanlist_.size() > 0 ) {
|
---|
| 711 | node = node && taborg.col("SCANNO").in( scanlist_ ) ;
|
---|
| 712 | }
|
---|
[2379] | 713 | tab_ = taborg( node ) ;
|
---|
| 714 | if ( tab_.nrow() == 0 ) {
|
---|
[2368] | 715 | LogIO os( LogOrigin("STGrid","selectData",WHERE) ) ;
|
---|
[2362] | 716 | os << LogIO::SEVERE
|
---|
[2376] | 717 | << "No corresponding rows for given selection: IFNO " << ifno ;
|
---|
| 718 | if ( scanlist_.size() > 0 )
|
---|
| 719 | os << " SCANNO " << scanlist_ ;
|
---|
| 720 | os << LogIO::EXCEPTION ;
|
---|
[2362] | 721 | }
|
---|
[2379] | 722 | attach() ;
|
---|
[2362] | 723 | }
|
---|
| 724 |
|
---|
[2379] | 725 | void STGrid::attach()
|
---|
| 726 | {
|
---|
| 727 | // attach to table
|
---|
| 728 | spectraCol_.attach( tab_, "SPECTRA" ) ;
|
---|
| 729 | flagtraCol_.attach( tab_, "FLAGTRA" ) ;
|
---|
| 730 | directionCol_.attach( tab_, "DIRECTION" ) ;
|
---|
| 731 | flagRowCol_.attach( tab_, "FLAGROW" ) ;
|
---|
| 732 | tsysCol_.attach( tab_, "TSYS" ) ;
|
---|
| 733 | intervalCol_.attach( tab_, "INTERVAL" ) ;
|
---|
[2381] | 734 | // Vector<String> colnames( 6 ) ;
|
---|
| 735 | // colnames[0] = "SPECTRA" ;
|
---|
| 736 | // colnames[1] = "FLAGTRA" ;
|
---|
| 737 | // colnames[2] = "DIRECTION" ;
|
---|
| 738 | // colnames[3] = "FLAGROW" ;
|
---|
| 739 | // colnames[4] = "TSYS" ;
|
---|
| 740 | // colnames[5] = "INTERVAL" ;
|
---|
| 741 | // row_ = ROTableRow( tab_, colnames ) ;
|
---|
| 742 | // const TableRecord &rec = row_.record() ;
|
---|
| 743 | // spectraRF_.attachToRecord( rec, colnames[0] ) ;
|
---|
| 744 | // flagtraRF_.attachToRecord( rec, colnames[1] ) ;
|
---|
| 745 | // directionRF_.attachToRecord( rec, colnames[2] ) ;
|
---|
| 746 | // flagRowRF_.attachToRecord( rec, colnames[3] ) ;
|
---|
| 747 | // tsysRF_.attachToRecord( rec, colnames[4] ) ;
|
---|
| 748 | // intervalRF_.attachToRecord( rec, colnames[5] ) ;
|
---|
[2379] | 749 | }
|
---|
| 750 |
|
---|
[2375] | 751 | void STGrid::getData( Array<Complex> &spectra,
|
---|
| 752 | Array<Double> &direction,
|
---|
| 753 | Array<uChar> &flagtra,
|
---|
| 754 | Array<uInt> &rflag,
|
---|
| 755 | Array<Float> &weight )
|
---|
[2356] | 756 | {
|
---|
[2375] | 757 | LogIO os( LogOrigin("STGrid","getData",WHERE) ) ;
|
---|
[2374] | 758 | // os << "start" << LogIO::POST ;
|
---|
| 759 | // os << "npol_ = " << npol_ << LogIO::POST ;
|
---|
| 760 | // os << "nchan_ = " << nchan_ << LogIO::POST ;
|
---|
| 761 | // os << "nrow_ = " << nrow_ << LogIO::POST ;
|
---|
[2375] | 762 | IPosition cshape( 3, npol_, nchan_, nrow_ ) ;
|
---|
| 763 | IPosition mshape( 2, npol_, nrow_ ) ;
|
---|
[2380] | 764 | IPosition vshape( 1, nrow_ ) ;
|
---|
[2375] | 765 | spectra.resize( cshape ) ;
|
---|
| 766 | flagtra.resize( cshape ) ;
|
---|
[2380] | 767 | rflag.resize( vshape ) ;
|
---|
| 768 | Vector<uInt> rflagPerPol( rflag ) ;
|
---|
[2375] | 769 | direction.resize( IPosition(2,2,nrow_) ) ;
|
---|
| 770 | Array<Float> tsys( cshape ) ;
|
---|
| 771 | Array<Double> tint( mshape ) ;
|
---|
| 772 |
|
---|
| 773 | ArrayIterator<uChar> fli( flagtra, IPosition(2,1,2) ) ;
|
---|
| 774 | ArrayIterator<Float> tsi( tsys, IPosition(2,1,2) ) ;
|
---|
| 775 | ArrayIterator<Double> tii( tint, IPosition(1,1) ) ;
|
---|
| 776 |
|
---|
[2371] | 777 | // boolean for pointer access
|
---|
[2375] | 778 | Bool bsp, bsps ;
|
---|
[2371] | 779 | // pointer to the data
|
---|
[2374] | 780 | Complex *sp_p = spectra.getStorage( bsp ) ;
|
---|
[2371] | 781 | // working pointer
|
---|
[2374] | 782 | Complex *wsp_p = sp_p ;
|
---|
[2371] | 783 | uInt len = nchan_ * nrow_ ;
|
---|
[2375] | 784 | IPosition mshape2( 2, nchan_, nrow_ ) ;
|
---|
[2374] | 785 | Vector<Float> spSlice( nchan_ ) ;
|
---|
| 786 | const Float *sps_p = spSlice.getStorage( bsps ) ;
|
---|
| 787 | long cincr = npol_ ;
|
---|
| 788 | long rincr = npol_ * nchan_ ;
|
---|
[2361] | 789 | for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
|
---|
[2379] | 790 | Table subt = tab_( tab_.col("POLNO") == pollist_[ipol] ) ;
|
---|
[2360] | 791 | ROArrayColumn<Float> spectraCol( subt, "SPECTRA" ) ;
|
---|
| 792 | ROArrayColumn<Double> directionCol( subt, "DIRECTION" ) ;
|
---|
| 793 | ROArrayColumn<uChar> flagtraCol( subt, "FLAGTRA" ) ;
|
---|
| 794 | ROScalarColumn<uInt> rflagCol( subt, "FLAGROW" ) ;
|
---|
[2361] | 795 | ROArrayColumn<Float> tsysCol( subt, "TSYS" ) ;
|
---|
| 796 | ROScalarColumn<Double> tintCol( subt, "INTERVAL" ) ;
|
---|
[2374] | 797 | for ( Int irow = 0 ; irow < nrow_ ; irow++ ) {
|
---|
| 798 | spectraCol.get( irow, spSlice ) ;
|
---|
| 799 | const Float *wsps_p = sps_p ;
|
---|
| 800 | wsp_p = sp_p + (long)ipol + rincr * (long)irow ;
|
---|
| 801 | for ( Int ichan = 0 ; ichan < nchan_ ; ichan++ ) {
|
---|
| 802 | *wsp_p = *wsps_p ;
|
---|
| 803 | wsps_p++ ;
|
---|
| 804 | wsp_p += cincr ;
|
---|
| 805 | }
|
---|
| 806 | }
|
---|
[2375] | 807 | Array<uChar> flSlice = fli.array() ;
|
---|
[2371] | 808 | flagtraCol.getColumn( flSlice ) ;
|
---|
[2380] | 809 | if ( ipol == 0 ) {
|
---|
[2360] | 810 | directionCol.getColumn( direction ) ;
|
---|
[2380] | 811 | rflagCol.getColumn( rflagPerPol ) ;
|
---|
| 812 | }
|
---|
| 813 | else {
|
---|
| 814 | rflagPerPol += rflagCol.getColumn() ;
|
---|
| 815 | }
|
---|
[2371] | 816 | Vector<Float> tmpF = tsysCol( 0 ) ;
|
---|
[2375] | 817 | Array<Float> tsSlice = tsi.array() ;
|
---|
[2371] | 818 | if ( tmpF.nelements() == (uInt)nchan_ ) {
|
---|
| 819 | tsysCol.getColumn( tsSlice ) ;
|
---|
[2361] | 820 | }
|
---|
| 821 | else {
|
---|
[2371] | 822 | tsSlice = tmpF( 0 ) ;
|
---|
[2361] | 823 | }
|
---|
[2375] | 824 | Vector<Double> tmpD = tii.array() ;
|
---|
[2361] | 825 | tintCol.getColumn( tmpD ) ;
|
---|
[2371] | 826 |
|
---|
| 827 | wsp_p += len ;
|
---|
[2375] | 828 |
|
---|
| 829 | fli.next() ;
|
---|
| 830 | tsi.next() ;
|
---|
| 831 | tii.next() ;
|
---|
[2360] | 832 | }
|
---|
[2374] | 833 | spSlice.freeStorage( sps_p, bsps ) ;
|
---|
[2371] | 834 | spectra.putStorage( sp_p, bsp ) ;
|
---|
[2361] | 835 |
|
---|
[2375] | 836 | // os << "spectra=" << spectra << LogIO::POST ;
|
---|
| 837 | // os << "flagtra=" << flagtra << LogIO::POST ;
|
---|
| 838 | // os << "rflag=" << rflag << LogIO::POST ;
|
---|
| 839 | // os << "direction=" << direction << LogIO::POST ;
|
---|
| 840 |
|
---|
[2380] | 841 | weight.resize( IPosition(2,nchan_,nrow_) ) ;
|
---|
[2361] | 842 | getWeight( weight, tsys, tint ) ;
|
---|
[2356] | 843 | }
|
---|
| 844 |
|
---|
[2375] | 845 | void STGrid::getData( Array<Complex> &spectra,
|
---|
| 846 | Array<Double> &direction,
|
---|
| 847 | Array<Int> &flagtra,
|
---|
| 848 | Array<Int> &rflag,
|
---|
| 849 | Array<Float> &weight )
|
---|
[2371] | 850 | {
|
---|
[2375] | 851 | LogIO os( LogOrigin("STGrid","getData",WHERE) ) ;
|
---|
| 852 | double t0, t1 ;
|
---|
| 853 |
|
---|
| 854 | Array<uChar> flagUC ;
|
---|
| 855 | Array<uInt> rflagUI ;
|
---|
| 856 | getData( spectra, direction, flagUC, rflagUI, weight ) ;
|
---|
| 857 |
|
---|
| 858 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 859 | toInt( flagUC, flagtra ) ;
|
---|
| 860 | toInt( rflagUI, rflag ) ;
|
---|
| 861 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 862 | os << "toInt: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
| 863 | }
|
---|
| 864 |
|
---|
[2379] | 865 | Int STGrid::getDataChunk( Array<Complex> &spectra,
|
---|
| 866 | Array<Double> &direction,
|
---|
| 867 | Array<Int> &flagtra,
|
---|
| 868 | Array<Int> &rflag,
|
---|
| 869 | Array<Float> &weight )
|
---|
[2378] | 870 | {
|
---|
[2381] | 871 | Int nrow = getDataChunk( spectraF_, direction, flagtraUC_, rflagUI_, weight ) ;
|
---|
| 872 | double t0, t1 ;
|
---|
| 873 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 874 | convertArray( spectra, spectraF_ ) ;
|
---|
| 875 | convertArray( flagtra, flagtraUC_ ) ;
|
---|
| 876 | convertArray( rflag, rflagUI_ ) ;
|
---|
| 877 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 878 | subtime_ = t1 - t0 ;
|
---|
| 879 |
|
---|
[2379] | 880 | return nrow ;
|
---|
[2378] | 881 | }
|
---|
| 882 |
|
---|
[2379] | 883 | Int STGrid::getDataChunk( Array<Float> &spectra,
|
---|
| 884 | Array<Double> &direction,
|
---|
| 885 | Array<uChar> &flagtra,
|
---|
| 886 | Array<uInt> &rflag,
|
---|
| 887 | Array<Float> &weight )
|
---|
[2375] | 888 | {
|
---|
[2379] | 889 | LogIO os( LogOrigin("STGrid","getDataChunk",WHERE) ) ;
|
---|
| 890 | Int nrow = min( spectra.shape()[2], nrow_-nprocessed_ ) ;
|
---|
| 891 | Array<Float> tsys( spectra.shape() ) ;
|
---|
[2380] | 892 | Array<Double> tint( IPosition(2,spectra.shape()[0],spectra.shape()[2]) ) ;
|
---|
[2379] | 893 | IPosition m( 2, 0, 2 ) ;
|
---|
| 894 | IPosition v( 1, 0 ) ;
|
---|
| 895 | ArrayIterator<Float> spi( spectra, m, False ) ;
|
---|
| 896 | ArrayIterator<uChar> fli( flagtra, m, False ) ;
|
---|
| 897 | ArrayIterator<Float> tsi( tsys, m, False ) ;
|
---|
[2380] | 898 | ArrayIterator<Double> di( direction, v ) ;
|
---|
[2379] | 899 | Bool bfr, bti ;
|
---|
| 900 | uInt *fr_p = rflag.getStorage( bfr ) ;
|
---|
| 901 | Double *ti_p = tint.getStorage( bti ) ;
|
---|
| 902 | uInt *wfr_p = fr_p ;
|
---|
| 903 | Double *wti_p = ti_p ;
|
---|
| 904 | Int offset = nprocessed_ * npol_ ;
|
---|
[2381] | 905 | Int start = offset ;
|
---|
| 906 | Int end = start + nrow * npol_ ;
|
---|
[2379] | 907 | for ( Int irow = 0 ; irow < npol_ * nrow ; irow++ ) {
|
---|
| 908 | Array<Float> spSlice = spi.array() ;
|
---|
| 909 | Array<uChar> flSlice = fli.array() ;
|
---|
| 910 | Array<Float> tsSlice = tsi.array() ;
|
---|
| 911 |
|
---|
| 912 | uInt idx = rows_[offset+irow] ;
|
---|
| 913 | spectraCol_.get( idx, spSlice ) ;
|
---|
| 914 |
|
---|
| 915 | flagtraCol_.get( idx, flSlice ) ;
|
---|
| 916 | Vector<Float> tmpF = tsysCol_( idx ) ;
|
---|
| 917 | if ( tmpF.nelements() == (uInt)nchan_ ) {
|
---|
| 918 | tsSlice = tmpF ;
|
---|
| 919 | }
|
---|
| 920 | else {
|
---|
| 921 | tsSlice = tmpF[0] ;
|
---|
| 922 | }
|
---|
| 923 | *wti_p = intervalCol_( idx ) ;
|
---|
| 924 |
|
---|
| 925 | spi.next() ;
|
---|
| 926 | fli.next() ;
|
---|
| 927 | tsi.next() ;
|
---|
| 928 | wti_p++ ;
|
---|
| 929 | }
|
---|
| 930 | tint.putStorage( ti_p, bti ) ;
|
---|
| 931 | for ( Int irow = 0 ; irow < nrow ; irow += npol_ ) {
|
---|
| 932 | uInt idx = rows_[offset+irow] ;
|
---|
| 933 | directionCol_.get( idx, di.array() ) ;
|
---|
| 934 | di.next() ;
|
---|
[2380] | 935 |
|
---|
| 936 | *wfr_p = flagRowCol_( idx ) ;
|
---|
| 937 | for ( Int ipol = 1 ; ipol < npol_ ; ipol++ ) {
|
---|
| 938 | *wfr_p = max( *wfr_p, flagRowCol_( rows_[offset+irow+ipol] ) ) ;
|
---|
| 939 | }
|
---|
| 940 | wfr_p++ ;
|
---|
[2379] | 941 | }
|
---|
[2380] | 942 | rflag.putStorage( fr_p, bfr ) ;
|
---|
[2381] | 943 | // Bool bti, bfr ;
|
---|
| 944 | // Double *ti_p = tint.getStorage( bti ) ;
|
---|
| 945 | // Double *wti_p = ti_p ;
|
---|
| 946 | // uInt *fr_p = rflag.getStorage( bfr ) ;
|
---|
| 947 | // uInt *wfr_p = fr_p - 1 ;
|
---|
| 948 | // Int start = nprocessed_ * npol_ ;
|
---|
| 949 | // Int end = start + nrow * npol_ ;
|
---|
| 950 | // for ( Int irow = start ; irow < end ; irow++ ) {
|
---|
| 951 | // uInt idx = rows_[irow] ;
|
---|
| 952 | // row_.get( idx ) ;
|
---|
| 953 | // // SPECTRA
|
---|
| 954 | // // os << "spi.array().shape()=" << spi.array().shape() << LogIO::POST ;
|
---|
| 955 | // // os << "(*spectraRF_).shape()=" << (*spectraRF_).shape() << LogIO::POST ;
|
---|
| 956 | // spi.array() = *spectraRF_ ;
|
---|
| 957 |
|
---|
| 958 | // // FLAGTRA
|
---|
| 959 | // fli.array() = *flagtraRF_ ;
|
---|
[2379] | 960 |
|
---|
[2381] | 961 | // // INTERVAL
|
---|
| 962 | // *wti_p = *intervalRF_ ;
|
---|
| 963 |
|
---|
| 964 | // // TSYS
|
---|
| 965 | // // os << "tsi.array().shape()=" << tsi.array().shape() << LogIO::POST ;
|
---|
| 966 | // // os << "(*tsysRF_).shape()=" << (*tsysRF_).shape() << LogIO::POST ;
|
---|
| 967 | // // os << "(*tsysRF_).nelements()=" << (*tsysRF_).nelements() << LogIO::POST ;
|
---|
| 968 | // if ( (*tsysRF_).nelements() == (uInt)nchan_ )
|
---|
| 969 | // tsi.array() = *tsysRF_ ;
|
---|
| 970 | // else
|
---|
| 971 | // tsi.array() = *((*tsysRF_).data()) ;
|
---|
| 972 |
|
---|
| 973 | // // DIRECTION and FLAGROW
|
---|
| 974 | // Int mod = irow % npol_ ;
|
---|
| 975 | // if ( mod == 0 ) {
|
---|
| 976 | // // os << "di.array().shape()=" << di.array().shape() << LogIO::POST ;
|
---|
| 977 | // // os << "(*directionRF_).shape()=" << (*directionRF_).shape() << LogIO::POST ;
|
---|
| 978 | // di.array() = *directionRF_ ;
|
---|
| 979 | // wfr_p++ ;
|
---|
| 980 | // *wfr_p = *flagRowRF_ ;
|
---|
| 981 | // }
|
---|
| 982 | // else {
|
---|
| 983 | // *wfr_p += *flagRowRF_ ;
|
---|
| 984 | // }
|
---|
| 985 |
|
---|
| 986 | // // increment
|
---|
| 987 | // spi.next() ;
|
---|
| 988 | // fli.next() ;
|
---|
| 989 | // tsi.next() ;
|
---|
| 990 | // di.next() ;
|
---|
| 991 | // *wti_p++ ;
|
---|
| 992 | // }
|
---|
| 993 | // tint.putStorage( ti_p, bti ) ;
|
---|
| 994 | // rflag.putStorage( fr_p, bfr ) ;
|
---|
| 995 |
|
---|
[2379] | 996 | getWeight( weight, tsys, tint ) ;
|
---|
| 997 |
|
---|
| 998 | nprocessed_ += nrow ;
|
---|
| 999 |
|
---|
| 1000 | return nrow ;
|
---|
| 1001 | }
|
---|
| 1002 |
|
---|
| 1003 | void STGrid::setupArray()
|
---|
| 1004 | {
|
---|
[2376] | 1005 | LogIO os( LogOrigin("STGrid","setupArray",WHERE) ) ;
|
---|
[2379] | 1006 | ROScalarColumn<uInt> polnoCol( tab_, "POLNO" ) ;
|
---|
[2371] | 1007 | Vector<uInt> pols = polnoCol.getColumn() ;
|
---|
[2376] | 1008 | //os << pols << LogIO::POST ;
|
---|
[2371] | 1009 | Vector<uInt> pollistOrg ;
|
---|
| 1010 | uInt npolOrg = 0 ;
|
---|
| 1011 | uInt polno ;
|
---|
| 1012 | for ( uInt i = 0 ; i < polnoCol.nrow() ; i++ ) {
|
---|
| 1013 | //polno = polnoCol( i ) ;
|
---|
| 1014 | polno = pols( i ) ;
|
---|
| 1015 | if ( allNE( pollistOrg, polno ) ) {
|
---|
| 1016 | pollistOrg.resize( npolOrg+1, True ) ;
|
---|
| 1017 | pollistOrg[npolOrg] = polno ;
|
---|
| 1018 | npolOrg++ ;
|
---|
| 1019 | }
|
---|
| 1020 | }
|
---|
| 1021 | if ( pollist_.size() == 0 )
|
---|
| 1022 | pollist_ = pollistOrg ;
|
---|
| 1023 | else {
|
---|
| 1024 | Vector<uInt> newlist ;
|
---|
| 1025 | uInt newsize = 0 ;
|
---|
| 1026 | for ( uInt i = 0 ; i < pollist_.size() ; i++ ) {
|
---|
| 1027 | if ( anyEQ( pollistOrg, pollist_[i] ) ) {
|
---|
| 1028 | newlist.resize( newsize+1, True ) ;
|
---|
| 1029 | newlist[newsize] = pollist_[i] ;
|
---|
| 1030 | newsize++ ;
|
---|
| 1031 | }
|
---|
| 1032 | }
|
---|
| 1033 | pollist_.assign( newlist ) ;
|
---|
| 1034 | }
|
---|
| 1035 | npol_ = pollist_.size() ;
|
---|
| 1036 | if ( npol_ == 0 ) {
|
---|
| 1037 | os << LogIO::SEVERE << "Empty pollist" << LogIO::EXCEPTION ;
|
---|
| 1038 | }
|
---|
[2379] | 1039 | nrow_ = tab_.nrow() / npolOrg ;
|
---|
| 1040 | ROArrayColumn<uChar> tmpCol( tab_, "FLAGTRA" ) ;
|
---|
[2371] | 1041 | nchan_ = tmpCol( 0 ).nelements() ;
|
---|
| 1042 | // os << "npol_ = " << npol_ << "(" << pollist_ << ")" << endl
|
---|
| 1043 | // << "nchan_ = " << nchan_ << endl
|
---|
| 1044 | // << "nrow_ = " << nrow_ << LogIO::POST ;
|
---|
| 1045 | }
|
---|
| 1046 |
|
---|
[2375] | 1047 | void STGrid::getWeight( Array<Float> &w,
|
---|
| 1048 | Array<Float> &tsys,
|
---|
| 1049 | Array<Double> &tint )
|
---|
[2361] | 1050 | {
|
---|
[2368] | 1051 | LogIO os( LogOrigin("STGrid","getWeight",WHERE) ) ;
|
---|
[2379] | 1052 | // double t0, t1 ;
|
---|
| 1053 | // t0 = mathutil::gettimeofday_sec() ;
|
---|
[2361] | 1054 | // resize
|
---|
[2375] | 1055 | IPosition refShape = tsys.shape() ;
|
---|
| 1056 | Int nchan = refShape[1] ;
|
---|
| 1057 | Int nrow = refShape[2] ;
|
---|
[2361] | 1058 |
|
---|
| 1059 | // set weight
|
---|
| 1060 | if ( wtype_.compare( "UNIFORM" ) == 0 ) {
|
---|
[2368] | 1061 | w = 1.0 ;
|
---|
[2361] | 1062 | }
|
---|
| 1063 | else if ( wtype_.compare( "TINT" ) == 0 ) {
|
---|
[2369] | 1064 | Bool b0, b1 ;
|
---|
| 1065 | Float *w_p = w.getStorage( b0 ) ;
|
---|
| 1066 | Float *w0_p = w_p ;
|
---|
| 1067 | const Double *ti_p = tint.getStorage( b1 ) ;
|
---|
| 1068 | const Double *w1_p = ti_p ;
|
---|
[2375] | 1069 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
[2369] | 1070 | Float val = (Float)(polMean( w1_p )) ;
|
---|
[2375] | 1071 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
[2369] | 1072 | *w0_p = val ;
|
---|
| 1073 | w0_p++ ;
|
---|
| 1074 | }
|
---|
[2361] | 1075 | }
|
---|
[2369] | 1076 | w.putStorage( w_p, b0 ) ;
|
---|
| 1077 | tint.freeStorage( ti_p, b1 ) ;
|
---|
[2361] | 1078 | }
|
---|
| 1079 | else if ( wtype_.compare( "TSYS" ) == 0 ) {
|
---|
[2369] | 1080 | Bool b0, b1 ;
|
---|
| 1081 | Float *w_p = w.getStorage( b0 ) ;
|
---|
| 1082 | Float *w0_p = w_p ;
|
---|
| 1083 | const Float *ts_p = tsys.getStorage( b1 ) ;
|
---|
| 1084 | const Float *w1_p = ts_p ;
|
---|
[2375] | 1085 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
| 1086 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
[2369] | 1087 | Float val = polMean( w1_p ) ;
|
---|
| 1088 | *w0_p = 1.0 / ( val * val ) ;
|
---|
| 1089 | w0_p++ ;
|
---|
[2361] | 1090 | }
|
---|
| 1091 | }
|
---|
[2369] | 1092 | w.putStorage( w_p, b0 ) ;
|
---|
| 1093 | tsys.freeStorage( ts_p, b1 ) ;
|
---|
[2361] | 1094 | }
|
---|
| 1095 | else if ( wtype_.compare( "TINTSYS" ) == 0 ) {
|
---|
[2369] | 1096 | Bool b0, b1, b2 ;
|
---|
| 1097 | Float *w_p = w.getStorage( b0 ) ;
|
---|
| 1098 | Float *w0_p = w_p ;
|
---|
| 1099 | const Double *ti_p = tint.getStorage( b1 ) ;
|
---|
| 1100 | const Double *w1_p = ti_p ;
|
---|
| 1101 | const Float *ts_p = tsys.getStorage( b2 ) ;
|
---|
| 1102 | const Float *w2_p = ts_p ;
|
---|
[2375] | 1103 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
[2369] | 1104 | Float interval = (Float)(polMean( w1_p )) ;
|
---|
[2375] | 1105 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
[2369] | 1106 | Float temp = polMean( w2_p ) ;
|
---|
| 1107 | *w0_p = interval / ( temp * temp ) ;
|
---|
| 1108 | w0_p++ ;
|
---|
[2361] | 1109 | }
|
---|
| 1110 | }
|
---|
[2369] | 1111 | w.putStorage( w_p, b0 ) ;
|
---|
| 1112 | tint.freeStorage( ti_p, b1 ) ;
|
---|
| 1113 | tsys.freeStorage( ts_p, b2 ) ;
|
---|
[2361] | 1114 | }
|
---|
| 1115 | else {
|
---|
[2368] | 1116 | //LogIO os( LogOrigin("STGrid", "getWeight", WHERE) ) ;
|
---|
[2379] | 1117 | //os << LogIO::WARN << "Unsupported weight type '" << wtype_ << "', apply UNIFORM weight" << LogIO::POST ;
|
---|
[2368] | 1118 | w = 1.0 ;
|
---|
[2361] | 1119 | }
|
---|
| 1120 |
|
---|
[2379] | 1121 | // t1 = mathutil::gettimeofday_sec() ;
|
---|
| 1122 | // os << "getWeight: elapsed time is " << t1-t0 << " sec" << LogIO::POST ;
|
---|
[2361] | 1123 | }
|
---|
| 1124 |
|
---|
[2369] | 1125 | Float STGrid::polMean( const Float *p )
|
---|
| 1126 | {
|
---|
| 1127 | Float v = 0.0 ;
|
---|
| 1128 | for ( Int i = 0 ; i < npol_ ; i++ ) {
|
---|
| 1129 | v += *p ;
|
---|
| 1130 | p++ ;
|
---|
| 1131 | }
|
---|
| 1132 | v /= npol_ ;
|
---|
| 1133 | return v ;
|
---|
| 1134 | }
|
---|
| 1135 |
|
---|
| 1136 | Double STGrid::polMean( const Double *p )
|
---|
| 1137 | {
|
---|
| 1138 | Double v = 0.0 ;
|
---|
| 1139 | for ( Int i = 0 ; i < npol_ ; i++ ) {
|
---|
| 1140 | v += *p ;
|
---|
| 1141 | p++ ;
|
---|
| 1142 | }
|
---|
| 1143 | v /= npol_ ;
|
---|
| 1144 | return v ;
|
---|
| 1145 | }
|
---|
| 1146 |
|
---|
[2375] | 1147 | void STGrid::toInt( Array<uChar> &u, Array<Int> &v )
|
---|
[2356] | 1148 | {
|
---|
[2375] | 1149 | uInt len = u.nelements() ;
|
---|
[2356] | 1150 | Int *int_p = new Int[len] ;
|
---|
| 1151 | Bool deleteIt ;
|
---|
[2375] | 1152 | const uChar *data_p = u.getStorage( deleteIt ) ;
|
---|
[2356] | 1153 | Int *i_p = int_p ;
|
---|
| 1154 | const uChar *u_p = data_p ;
|
---|
| 1155 | for ( uInt i = 0 ; i < len ; i++ ) {
|
---|
| 1156 | *i_p = ( *u_p == 0 ) ? 0 : 1 ;
|
---|
| 1157 | i_p++ ;
|
---|
| 1158 | u_p++ ;
|
---|
| 1159 | }
|
---|
[2375] | 1160 | u.freeStorage( data_p, deleteIt ) ;
|
---|
| 1161 | v.takeStorage( u.shape(), int_p, TAKE_OVER ) ;
|
---|
[2356] | 1162 | }
|
---|
| 1163 |
|
---|
[2375] | 1164 | void STGrid::toInt( Array<uInt> &u, Array<Int> &v )
|
---|
[2356] | 1165 | {
|
---|
[2375] | 1166 | uInt len = u.nelements() ;
|
---|
[2356] | 1167 | Int *int_p = new Int[len] ;
|
---|
| 1168 | Bool deleteIt ;
|
---|
[2375] | 1169 | const uInt *data_p = u.getStorage( deleteIt ) ;
|
---|
[2356] | 1170 | Int *i_p = int_p ;
|
---|
| 1171 | const uInt *u_p = data_p ;
|
---|
| 1172 | for ( uInt i = 0 ; i < len ; i++ ) {
|
---|
| 1173 | *i_p = ( *u_p == 0 ) ? 0 : 1 ;
|
---|
| 1174 | i_p++ ;
|
---|
| 1175 | u_p++ ;
|
---|
| 1176 | }
|
---|
[2375] | 1177 | u.freeStorage( data_p, deleteIt ) ;
|
---|
| 1178 | v.takeStorage( u.shape(), int_p, TAKE_OVER ) ;
|
---|
[2356] | 1179 | }
|
---|
| 1180 |
|
---|
[2375] | 1181 | void STGrid::toPixel( Array<Double> &world, Array<Double> &pixel )
|
---|
[2356] | 1182 | {
|
---|
[2359] | 1183 | // gridding will be done on (nx_+2*convSupport_) x (ny_+2*convSupport_)
|
---|
| 1184 | // grid plane to avoid unexpected behavior on grid edge
|
---|
[2375] | 1185 | Block<Double> pixc( 2 ) ;
|
---|
| 1186 | pixc[0] = Double( nx_-1 ) * 0.5 ;
|
---|
| 1187 | pixc[1] = Double( ny_-1 ) * 0.5 ;
|
---|
| 1188 | // pixc[0] = Double( nx_+2*convSupport_-1 ) * 0.5 ;
|
---|
| 1189 | // pixc[1] = Double( ny_+2*convSupport_-1 ) * 0.5 ;
|
---|
[2356] | 1190 | uInt nrow = world.shape()[1] ;
|
---|
[2375] | 1191 | Bool bw, bp ;
|
---|
| 1192 | const Double *w_p = world.getStorage( bw ) ;
|
---|
| 1193 | Double *p_p = pixel.getStorage( bp ) ;
|
---|
| 1194 | const Double *ww_p = w_p ;
|
---|
| 1195 | Double *wp_p = p_p ;
|
---|
| 1196 | for ( uInt i = 0 ; i < nrow ; i++ ) {
|
---|
| 1197 | *wp_p = pixc[0] + ( *ww_p - center_[0] ) / cellx_ ;
|
---|
| 1198 | wp_p++ ;
|
---|
| 1199 | ww_p++ ;
|
---|
| 1200 | *wp_p = pixc[1] + ( *ww_p - center_[1] ) / celly_ ;
|
---|
| 1201 | wp_p++ ;
|
---|
| 1202 | ww_p++ ;
|
---|
[2356] | 1203 | }
|
---|
[2375] | 1204 | world.freeStorage( w_p, bw ) ;
|
---|
| 1205 | pixel.putStorage( p_p, bp ) ;
|
---|
[2364] | 1206 | // String gridfile = "grid."+convType_+"."+String::toString(convSupport_)+".dat" ;
|
---|
| 1207 | // ofstream ofs( gridfile.c_str(), ios::out ) ;
|
---|
| 1208 | // ofs << "center " << center_(0) << " " << pixc(0)
|
---|
| 1209 | // << " " << center_(1) << " " << pixc(1) << endl ;
|
---|
| 1210 | // for ( uInt irow = 0 ; irow < nrow ; irow++ ) {
|
---|
| 1211 | // ofs << irow ;
|
---|
| 1212 | // for ( uInt i = 0 ; i < 2 ; i++ ) {
|
---|
| 1213 | // ofs << " " << world(i, irow) << " " << pixel(i, irow) ;
|
---|
| 1214 | // }
|
---|
| 1215 | // ofs << endl ;
|
---|
| 1216 | // }
|
---|
| 1217 | // ofs.close() ;
|
---|
[2356] | 1218 | }
|
---|
| 1219 |
|
---|
| 1220 | void STGrid::boxFunc( Vector<Float> &convFunc, Int &convSize )
|
---|
| 1221 | {
|
---|
| 1222 | convFunc = 0.0 ;
|
---|
| 1223 | for ( Int i = 0 ; i < convSize/2 ; i++ )
|
---|
| 1224 | convFunc(i) = 1.0 ;
|
---|
| 1225 | }
|
---|
| 1226 |
|
---|
| 1227 | #define NEED_UNDERSCORES
|
---|
| 1228 | #if defined(NEED_UNDERSCORES)
|
---|
| 1229 | #define grdsf grdsf_
|
---|
| 1230 | #endif
|
---|
| 1231 | extern "C" {
|
---|
| 1232 | void grdsf(Double*, Double*);
|
---|
| 1233 | }
|
---|
| 1234 | void STGrid::spheroidalFunc( Vector<Float> &convFunc )
|
---|
| 1235 | {
|
---|
| 1236 | convFunc = 0.0 ;
|
---|
| 1237 | for ( Int i = 0 ; i < convSampling_*convSupport_ ; i++ ) {
|
---|
| 1238 | Double nu = Double(i) / Double(convSupport_*convSampling_) ;
|
---|
| 1239 | Double val ;
|
---|
| 1240 | grdsf( &nu, &val ) ;
|
---|
| 1241 | convFunc(i) = ( 1.0 - nu * nu ) * val ;
|
---|
| 1242 | }
|
---|
| 1243 | }
|
---|
| 1244 |
|
---|
| 1245 | void STGrid::gaussFunc( Vector<Float> &convFunc )
|
---|
| 1246 | {
|
---|
| 1247 | convFunc = 0.0 ;
|
---|
[2363] | 1248 | // HWHM of the Gaussian is convSupport_ / 4
|
---|
| 1249 | // To take into account Gaussian tail, kernel cutoff is set to 4 * HWHM
|
---|
| 1250 | Int len = convSampling_ * convSupport_ ;
|
---|
| 1251 | Double hwhm = len * 0.25 ;
|
---|
| 1252 | for ( Int i = 0 ; i < len ; i++ ) {
|
---|
[2356] | 1253 | Double val = Double(i) / hwhm ;
|
---|
| 1254 | convFunc(i) = exp( -log(2)*val*val ) ;
|
---|
| 1255 | }
|
---|
| 1256 | }
|
---|
| 1257 |
|
---|
| 1258 | void STGrid::pbFunc( Vector<Float> &convFunc )
|
---|
| 1259 | {
|
---|
| 1260 | convFunc = 0.0 ;
|
---|
| 1261 | }
|
---|
| 1262 |
|
---|
| 1263 | void STGrid::setConvFunc( Vector<Float> &convFunc )
|
---|
| 1264 | {
|
---|
| 1265 | convSupport_ = userSupport_ ;
|
---|
| 1266 | if ( convType_ == "BOX" ) {
|
---|
| 1267 | if ( convSupport_ < 0 )
|
---|
| 1268 | convSupport_ = 0 ;
|
---|
| 1269 | Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
|
---|
| 1270 | convFunc.resize( convSize ) ;
|
---|
| 1271 | boxFunc( convFunc, convSize ) ;
|
---|
| 1272 | }
|
---|
| 1273 | else if ( convType_ == "SF" ) {
|
---|
| 1274 | if ( convSupport_ < 0 )
|
---|
| 1275 | convSupport_ = 3 ;
|
---|
| 1276 | Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
|
---|
| 1277 | convFunc.resize( convSize ) ;
|
---|
| 1278 | spheroidalFunc( convFunc ) ;
|
---|
| 1279 | }
|
---|
| 1280 | else if ( convType_ == "GAUSS" ) {
|
---|
[2363] | 1281 | // to take into account Gaussian tail
|
---|
[2356] | 1282 | if ( convSupport_ < 0 )
|
---|
[2363] | 1283 | convSupport_ = 12 ; // 3 * 4
|
---|
| 1284 | else {
|
---|
| 1285 | convSupport_ = userSupport_ * 4 ;
|
---|
| 1286 | }
|
---|
[2356] | 1287 | Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
|
---|
| 1288 | convFunc.resize( convSize ) ;
|
---|
| 1289 | gaussFunc( convFunc ) ;
|
---|
| 1290 | }
|
---|
[2359] | 1291 | else if ( convType_ == "PB" ) {
|
---|
| 1292 | if ( convSupport_ < 0 )
|
---|
| 1293 | convSupport_ = 0 ;
|
---|
[2356] | 1294 | pbFunc( convFunc ) ;
|
---|
[2359] | 1295 | }
|
---|
[2356] | 1296 | else {
|
---|
| 1297 | throw AipsError( "Unsupported convolution function" ) ;
|
---|
| 1298 | }
|
---|
| 1299 | }
|
---|
| 1300 |
|
---|
| 1301 | string STGrid::saveData( string outfile )
|
---|
| 1302 | {
|
---|
[2368] | 1303 | LogIO os( LogOrigin("STGrid", "saveData", WHERE) ) ;
|
---|
| 1304 | double t0, t1 ;
|
---|
| 1305 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 1306 |
|
---|
[2360] | 1307 | //Int polno = 0 ;
|
---|
[2371] | 1308 | String outfile_ ;
|
---|
[2356] | 1309 | if ( outfile.size() == 0 ) {
|
---|
| 1310 | if ( infile_.lastchar() == '/' ) {
|
---|
| 1311 | outfile_ = infile_.substr( 0, infile_.size()-1 ) ;
|
---|
| 1312 | }
|
---|
| 1313 | else {
|
---|
| 1314 | outfile_ = infile_ ;
|
---|
| 1315 | }
|
---|
| 1316 | outfile_ += ".grid" ;
|
---|
| 1317 | }
|
---|
| 1318 | else {
|
---|
| 1319 | outfile_ = outfile ;
|
---|
| 1320 | }
|
---|
[2371] | 1321 | Table tab ;
|
---|
| 1322 | prepareTable( tab, outfile_ ) ;
|
---|
[2356] | 1323 | IPosition dshape = data_.shape() ;
|
---|
[2361] | 1324 | Int nrow = nx_ * ny_ * npol_ ;
|
---|
| 1325 | tab.rwKeywordSet().define( "nPol", npol_ ) ;
|
---|
[2360] | 1326 | tab.addRow( nrow ) ;
|
---|
[2356] | 1327 | Vector<Double> cpix( 2 ) ;
|
---|
| 1328 | cpix(0) = Double( nx_ - 1 ) * 0.5 ;
|
---|
| 1329 | cpix(1) = Double( ny_ - 1 ) * 0.5 ;
|
---|
| 1330 | Vector<Double> dir( 2 ) ;
|
---|
| 1331 | ArrayColumn<Double> directionCol( tab, "DIRECTION" ) ;
|
---|
| 1332 | ArrayColumn<Float> spectraCol( tab, "SPECTRA" ) ;
|
---|
| 1333 | ScalarColumn<uInt> polnoCol( tab, "POLNO" ) ;
|
---|
| 1334 | Int irow = 0 ;
|
---|
[2371] | 1335 | Vector<Float> sp( nchan_ ) ;
|
---|
| 1336 | Bool bsp, bdata ;
|
---|
| 1337 | const Float *data_p = data_.getStorage( bdata ) ;
|
---|
| 1338 | Float *wsp_p, *sp_p ;
|
---|
| 1339 | const Float *wdata_p = data_p ;
|
---|
| 1340 | long step = nx_ * ny_ * npol_ ;
|
---|
| 1341 | long offset ;
|
---|
[2356] | 1342 | for ( Int iy = 0 ; iy < ny_ ; iy++ ) {
|
---|
[2371] | 1343 | dir(1) = center_(1) - ( cpix(1) - (Double)iy ) * celly_ ;
|
---|
[2356] | 1344 | for ( Int ix = 0 ; ix < nx_ ; ix++ ) {
|
---|
[2371] | 1345 | dir(0) = center_(0) - ( cpix(0) - (Double)ix ) * cellx_ ;
|
---|
[2361] | 1346 | for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
|
---|
[2371] | 1347 | offset = ix + iy * nx_ + ipol * nx_ * ny_ ;
|
---|
| 1348 | //os << "offset = " << offset << LogIO::POST ;
|
---|
| 1349 | sp_p = sp.getStorage( bsp ) ;
|
---|
| 1350 | wsp_p = sp_p ;
|
---|
| 1351 | wdata_p = data_p + offset ;
|
---|
| 1352 | for ( Int ichan = 0 ; ichan < nchan_ ; ichan++ ) {
|
---|
| 1353 | *wsp_p = *wdata_p ;
|
---|
| 1354 | wsp_p++ ;
|
---|
| 1355 | wdata_p += step ;
|
---|
| 1356 | }
|
---|
| 1357 | sp.putStorage( sp_p, bsp ) ;
|
---|
[2356] | 1358 | spectraCol.put( irow, sp ) ;
|
---|
| 1359 | directionCol.put( irow, dir ) ;
|
---|
[2360] | 1360 | polnoCol.put( irow, pollist_[ipol] ) ;
|
---|
[2356] | 1361 | irow++ ;
|
---|
| 1362 | }
|
---|
| 1363 | }
|
---|
| 1364 | }
|
---|
[2371] | 1365 | data_.freeStorage( data_p, bdata ) ;
|
---|
[2368] | 1366 |
|
---|
| 1367 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 1368 | os << "saveData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
[2374] | 1369 |
|
---|
[2356] | 1370 | return outfile_ ;
|
---|
| 1371 | }
|
---|
| 1372 |
|
---|
[2371] | 1373 | void STGrid::prepareTable( Table &tab, String &name )
|
---|
| 1374 | {
|
---|
| 1375 | Table t( infile_, Table::Old ) ;
|
---|
| 1376 | t.deepCopy( name, Table::New, False, t.endianFormat(), True ) ;
|
---|
| 1377 | tab = Table( name, Table::Update ) ;
|
---|
[2356] | 1378 | }
|
---|
[2379] | 1379 |
|
---|
| 1380 | void STGrid::sortData()
|
---|
| 1381 | {
|
---|
| 1382 | LogIO os( LogOrigin("STGRid","sortData",WHERE) ) ;
|
---|
| 1383 | double t0, t1 ;
|
---|
| 1384 | t0 = mathutil::gettimeofday_sec() ;
|
---|
| 1385 | rows_.resize( npol_*nrow_ ) ;
|
---|
| 1386 | Table tab = tab_( tab_.col("POLNO").in(pollist_) ) ;
|
---|
| 1387 | Block<String> cols( 2 ) ;
|
---|
| 1388 | cols[0] = "TIME" ;
|
---|
| 1389 | cols[1] = "BEAMNO" ;
|
---|
| 1390 | TableIterator iter( tab, cols ) ;
|
---|
| 1391 | uInt idx = 0 ;
|
---|
| 1392 | while( !iter.pastEnd() ) {
|
---|
| 1393 | Table t = iter.table().sort( "POLNO" ) ;
|
---|
| 1394 | Vector<uInt> rows = t.rowNumbers() ;
|
---|
| 1395 | //os << "rows=" << rows << LogIO::POST ;
|
---|
| 1396 | for ( uInt i = 0 ; i < rows.nelements() ; i++ ) {
|
---|
| 1397 | rows_[idx] = rows[i] ;
|
---|
| 1398 | idx++ ;
|
---|
| 1399 | }
|
---|
| 1400 | iter.next() ;
|
---|
| 1401 | }
|
---|
| 1402 | t1 = mathutil::gettimeofday_sec() ;
|
---|
| 1403 | os << "sortData: elapsed time is " << t1-t0 << " sec" << LogIO::POST ;
|
---|
| 1404 | //os << "rows_ = " << rows_ << LogIO::POST ;
|
---|
[2371] | 1405 | }
|
---|
[2379] | 1406 | }
|
---|