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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9 | #include <casa/Arrays/ArrayIter.h>
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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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13 | #include <casa/Logging/LogIO.h>
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14 |
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15 | #include <tables/Tables/Table.h>
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16 | #include <tables/Tables/TableRecord.h>
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17 | #include <tables/Tables/ExprNode.h>
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18 | #include <tables/Tables/ScalarColumn.h>
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19 | #include <tables/Tables/ArrayColumn.h>
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20 | #include <tables/Tables/TableIter.h>
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21 |
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22 | #include <measures/Measures/MDirection.h>
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23 |
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24 | #include <MathUtils.h>
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25 |
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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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49 | ifno_ = -1 ;
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50 | nx_ = -1 ;
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51 | ny_ = -1 ;
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52 | npol_ = 0 ;
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53 | nchan_ = 0 ;
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54 | nrow_ = 0 ;
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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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59 | wtype_ = "UNIFORM" ;
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60 | convSupport_ = -1 ;
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61 | userSupport_ = -1 ;
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62 | convSampling_ = 100 ;
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63 | nprocessed_ = 0 ;
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64 | nchunk_ = 0 ;
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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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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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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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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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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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119 | void STGrid::setFunc( string convType,
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120 | int convSupport )
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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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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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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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243 | // grid data
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244 | Int gnx = nx_ ;
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245 | Int gny = ny_ ;
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246 | // Extend grid plane with convSupport_
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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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258 | Int irow = -1 ;
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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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262 | IPosition dshape( 2, 2, nchunk_ ) ;
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263 | IPosition wshape( 2, nchan_, nchunk_ ) ;
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264 | Array<Complex> spectra( cshape ) ;
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265 | Array<Double> direction( dshape ) ;
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266 | Array<Int> flagtra( cshape ) ;
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267 | Array<Int> rflag( vshape ) ;
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268 | Array<Float> weight( wshape ) ;
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269 | Array<Double> xypos( dshape ) ;
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270 |
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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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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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297 | double eToInt = 0.0 ;
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298 |
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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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309 | while( !pastEnd() ) {
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310 | // retrieve data
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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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316 | eToInt += subtime_ ;
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317 |
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318 | // world -> pixel
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319 | t0 = mathutil::gettimeofday_sec() ;
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320 | toPixel( direction, xypos ) ;
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321 | t1 = mathutil::gettimeofday_sec() ;
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322 | eToPixel += t1-t0 ;
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323 |
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324 | // call ggridsd
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325 | irow = -1 ;
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326 | t0 = mathutil::gettimeofday_sec() ;
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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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347 | t1 = mathutil::gettimeofday_sec() ;
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348 | eGGridSD += t1-t0 ;
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349 |
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350 | }
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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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354 | os << "toInt: elapsed time is " << eToInt << " sec." << LogIO::POST ;
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355 |
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356 | // finalization
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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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365 | delete polMap ;
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366 | delete chanMap ;
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367 |
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368 | // set data
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369 | setData( gdataArrC, gwgtArr ) ;
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370 |
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371 | }
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372 |
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373 | Bool STGrid::pastEnd()
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374 | {
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375 | LogIO os( LogOrigin("STGrid","pastEnd",WHERE) ) ;
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376 | Bool b = nprocessed_ >= nrow_ ;
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377 | return b ;
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378 | }
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379 |
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380 | void STGrid::grid()
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381 | {
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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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414 | nchunk_ = min( nchunk_, nrow_ ) ;
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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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420 | LogIO os( LogOrigin("STGrid", "gridAll", WHERE) ) ;
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421 |
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422 | // retrieve data
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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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428 | double t0, t1 ;
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429 | t0 = mathutil::gettimeofday_sec() ;
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430 | getData( spectra, direction, flagtra, rflag, weight ) ;
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431 | t1 = mathutil::gettimeofday_sec() ;
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432 | os << "getData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
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433 | IPosition sshape = spectra.shape() ;
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434 | //os << "spectra.shape()=" << spectra.shape() << LogIO::POST ;
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435 | //os << "max(spectra) = " << max(spectra) << LogIO::POST ;
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436 | //os << "weight = " << weight << LogIO::POST ;
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437 |
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438 | // grid parameter
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439 | os << LogIO::DEBUGGING ;
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440 | os << "----------" << endl ;
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441 | os << "Grid parameter summary" << endl ;
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442 | os << " (nx,ny) = (" << nx_ << "," << ny_ << ")" << endl ;
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443 | os << " (cellx,celly) = (" << cellx_ << "," << celly_ << ")" << endl ;
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444 | os << " center = " << center_ << endl ;
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445 | os << "----------" << LogIO::POST ;
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446 | os << LogIO::NORMAL ;
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447 |
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448 | // convolution kernel
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449 | Vector<Float> convFunc ;
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450 | t0 = mathutil::gettimeofday_sec() ;
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451 | setConvFunc( convFunc ) ;
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452 | t1 = mathutil::gettimeofday_sec() ;
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453 | os << "setConvFunc: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
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454 | //cout << "convSupport=" << convSupport_ << endl ;
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455 | //cout << "convFunc=" << convFunc << endl ;
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456 |
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457 | // world -> pixel
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458 | Array<Double> xypos( direction.shape(), 0.0 ) ;
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459 | t0 = mathutil::gettimeofday_sec() ;
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460 | toPixel( direction, xypos ) ;
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461 | t1 = mathutil::gettimeofday_sec() ;
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462 | //os << "xypos=" << xypos << LogIO::POST ;
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463 | os << "toPixel: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
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464 |
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465 | // call ggridsd
|
---|
466 | Bool deletePos, deleteData, deleteWgt, deleteFlag, deleteFlagR, deleteConv, deleteDataG, deleteWgtG ;
|
---|
467 | Double *xypos_p = xypos.getStorage( deletePos ) ;
|
---|
468 | const Complex *data_p = spectra.getStorage( deleteData ) ;
|
---|
469 | const Float *wgt_p = weight.getStorage( deleteWgt ) ;
|
---|
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 ) ;
|
---|
474 | Float *conv_p = convFunc.getStorage( deleteConv ) ;
|
---|
475 | // Extend grid plane with convSupport_
|
---|
476 | Int gnx = nx_ ;
|
---|
477 | Int gny = ny_ ;
|
---|
478 | // Int gnx = nx_+convSupport_*2 ;
|
---|
479 | // Int gny = ny_+convSupport_*2 ;
|
---|
480 | IPosition gshape( 4, gnx, gny, npol_, nchan_ ) ;
|
---|
481 | Array<Complex> gdataArrC( gshape, 0.0 ) ;
|
---|
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_ ) ;
|
---|
488 | Complex *gdata_p = gdataArrC.getStorage( deleteDataG ) ;
|
---|
489 | Float *wdata_p = gwgtArr.getStorage( deleteWgtG ) ;
|
---|
490 | Int *chanMap = new Int[nchan_] ;
|
---|
491 | {
|
---|
492 | Int *work_p = chanMap ;
|
---|
493 | for ( Int i = 0 ; i < nchan_ ; i++ ) {
|
---|
494 | *work_p = i ;
|
---|
495 | work_p++ ;
|
---|
496 | }
|
---|
497 | }
|
---|
498 | Int *polMap = new Int[npol_] ;
|
---|
499 | {
|
---|
500 | Int *work_p = polMap ;
|
---|
501 | for ( Int i = 0 ; i < npol_ ; i++ ) {
|
---|
502 | *work_p = i ;
|
---|
503 | work_p++ ;
|
---|
504 | }
|
---|
505 | }
|
---|
506 | t0 = mathutil::gettimeofday_sec() ;
|
---|
507 | Int irow = -1 ;
|
---|
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 ) ;
|
---|
528 | t1 = mathutil::gettimeofday_sec() ;
|
---|
529 | os << "ggridsd: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
530 | xypos.putStorage( xypos_p, deletePos ) ;
|
---|
531 | spectra.freeStorage( data_p, deleteData ) ;
|
---|
532 | weight.freeStorage( wgt_p, deleteWgt ) ;
|
---|
533 | flagtra.freeStorage( flag_p, deleteFlag ) ;
|
---|
534 | rflag.freeStorage( rflag_p, deleteFlagR ) ;
|
---|
535 | convFunc.putStorage( conv_p, deleteConv ) ;
|
---|
536 | delete polMap ;
|
---|
537 | delete chanMap ;
|
---|
538 | gdataArrC.putStorage( gdata_p, deleteDataG ) ;
|
---|
539 | gwgtArr.putStorage( wdata_p, deleteWgtG ) ;
|
---|
540 | setData( gdataArrC, gwgtArr ) ;
|
---|
541 | //Matrix<Double> sumWeight( IPosition( 2, npol_, nchan_ ), sumw_p, TAKE_OVER ) ;
|
---|
542 | //cout << "sumWeight = " << sumWeight << endl ;
|
---|
543 | // os << "gdataArr = " << gdataArr << LogIO::POST ;
|
---|
544 | // os << "gwgtArr = " << gwgtArr << LogIO::POST ;
|
---|
545 | // os << "data_ " << data_ << LogIO::POST ;
|
---|
546 | }
|
---|
547 |
|
---|
548 | void STGrid::setData( Array<Complex> &gdata,
|
---|
549 | Array<Float> &gwgt )
|
---|
550 | {
|
---|
551 | // 2011/12/20 TN
|
---|
552 | // gwgt and data_ share storage
|
---|
553 | LogIO os( LogOrigin("STGrid","setData",WHERE) ) ;
|
---|
554 | double t0, t1 ;
|
---|
555 | t0 = mathutil::gettimeofday_sec() ;
|
---|
556 | uInt len = data_.nelements() ;
|
---|
557 | const Complex *w1_p ;
|
---|
558 | Float *w2_p ;
|
---|
559 | Bool b1, b2 ;
|
---|
560 | const Complex *gdata_p = gdata.getStorage( b1 ) ;
|
---|
561 | Float *gwgt_p = data_.getStorage( b2 ) ;
|
---|
562 | w1_p = gdata_p ;
|
---|
563 | w2_p = gwgt_p ;
|
---|
564 | for ( uInt i = 0 ; i < len ; i++ ) {
|
---|
565 | if ( *w2_p > 0.0 ) *w2_p = (*w1_p).real() / *w2_p ;
|
---|
566 | w1_p++ ;
|
---|
567 | w2_p++ ;
|
---|
568 | }
|
---|
569 | gdata.freeStorage( gdata_p, b1 ) ;
|
---|
570 | data_.putStorage( gwgt_p, b2 ) ;
|
---|
571 | t1 = mathutil::gettimeofday_sec() ;
|
---|
572 | os << "setData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
573 | }
|
---|
574 |
|
---|
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 | {
|
---|
585 | LogIO os( LogOrigin("STGrid","setupGrid",WHERE) ) ;
|
---|
586 | //cout << "nx=" << nx << ", ny=" << ny << endl ;
|
---|
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 |
|
---|
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 | }
|
---|
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 ;
|
---|
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 ) {
|
---|
649 | os << "Using celly to x-axis..." << LogIO::POST ;
|
---|
650 | readQuantity( qcelly, celly ) ;
|
---|
651 | qcellx = qcelly ;
|
---|
652 | }
|
---|
653 | else if ( cellx.size() != 0 ) {
|
---|
654 | os << "Using cellx to y-axis..." << LogIO::POST ;
|
---|
655 | readQuantity( qcellx, cellx ) ;
|
---|
656 | qcelly = qcellx ;
|
---|
657 | }
|
---|
658 | else {
|
---|
659 | if ( nx_ < 0 ) {
|
---|
660 | os << "No user preference in grid setting. Using default..." << LogIO::POST ;
|
---|
661 | readQuantity( qcellx, "1.0arcmin" ) ;
|
---|
662 | qcelly = qcellx ;
|
---|
663 | }
|
---|
664 | else {
|
---|
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 | }
|
---|
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 ) {
|
---|
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 | }
|
---|
688 | nx_ = Int( ceil( wx/cellx_ ) ) ;
|
---|
689 | ny_ = Int( ceil( wy/celly_ ) ) ;
|
---|
690 | }
|
---|
691 | }
|
---|
692 |
|
---|
693 | void STGrid::selectData()
|
---|
694 | {
|
---|
695 | Int ifno = ifno_ ;
|
---|
696 | Table taborg( infile_ ) ;
|
---|
697 | if ( ifno == -1 ) {
|
---|
698 | LogIO os( LogOrigin("STGrid","selectData",WHERE) ) ;
|
---|
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 | }
|
---|
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 | }
|
---|
713 | tab_ = taborg( node ) ;
|
---|
714 | if ( tab_.nrow() == 0 ) {
|
---|
715 | LogIO os( LogOrigin("STGrid","selectData",WHERE) ) ;
|
---|
716 | os << LogIO::SEVERE
|
---|
717 | << "No corresponding rows for given selection: IFNO " << ifno ;
|
---|
718 | if ( scanlist_.size() > 0 )
|
---|
719 | os << " SCANNO " << scanlist_ ;
|
---|
720 | os << LogIO::EXCEPTION ;
|
---|
721 | }
|
---|
722 | attach() ;
|
---|
723 | }
|
---|
724 |
|
---|
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" ) ;
|
---|
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] ) ;
|
---|
749 | }
|
---|
750 |
|
---|
751 | void STGrid::getData( Array<Complex> &spectra,
|
---|
752 | Array<Double> &direction,
|
---|
753 | Array<uChar> &flagtra,
|
---|
754 | Array<uInt> &rflag,
|
---|
755 | Array<Float> &weight )
|
---|
756 | {
|
---|
757 | LogIO os( LogOrigin("STGrid","getData",WHERE) ) ;
|
---|
758 | // os << "start" << LogIO::POST ;
|
---|
759 | // os << "npol_ = " << npol_ << LogIO::POST ;
|
---|
760 | // os << "nchan_ = " << nchan_ << LogIO::POST ;
|
---|
761 | // os << "nrow_ = " << nrow_ << LogIO::POST ;
|
---|
762 | IPosition cshape( 3, npol_, nchan_, nrow_ ) ;
|
---|
763 | IPosition mshape( 2, npol_, nrow_ ) ;
|
---|
764 | IPosition vshape( 1, nrow_ ) ;
|
---|
765 | spectra.resize( cshape ) ;
|
---|
766 | flagtra.resize( cshape ) ;
|
---|
767 | rflag.resize( vshape ) ;
|
---|
768 | Vector<uInt> rflagPerPol( rflag ) ;
|
---|
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 |
|
---|
777 | // boolean for pointer access
|
---|
778 | Bool bsp, bsps ;
|
---|
779 | // pointer to the data
|
---|
780 | Complex *sp_p = spectra.getStorage( bsp ) ;
|
---|
781 | // working pointer
|
---|
782 | Complex *wsp_p = sp_p ;
|
---|
783 | uInt len = nchan_ * nrow_ ;
|
---|
784 | IPosition mshape2( 2, nchan_, nrow_ ) ;
|
---|
785 | Vector<Float> spSlice( nchan_ ) ;
|
---|
786 | const Float *sps_p = spSlice.getStorage( bsps ) ;
|
---|
787 | long cincr = npol_ ;
|
---|
788 | long rincr = npol_ * nchan_ ;
|
---|
789 | for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
|
---|
790 | Table subt = tab_( tab_.col("POLNO") == pollist_[ipol] ) ;
|
---|
791 | ROArrayColumn<Float> spectraCol( subt, "SPECTRA" ) ;
|
---|
792 | ROArrayColumn<Double> directionCol( subt, "DIRECTION" ) ;
|
---|
793 | ROArrayColumn<uChar> flagtraCol( subt, "FLAGTRA" ) ;
|
---|
794 | ROScalarColumn<uInt> rflagCol( subt, "FLAGROW" ) ;
|
---|
795 | ROArrayColumn<Float> tsysCol( subt, "TSYS" ) ;
|
---|
796 | ROScalarColumn<Double> tintCol( subt, "INTERVAL" ) ;
|
---|
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 | }
|
---|
807 | Array<uChar> flSlice = fli.array() ;
|
---|
808 | flagtraCol.getColumn( flSlice ) ;
|
---|
809 | if ( ipol == 0 ) {
|
---|
810 | directionCol.getColumn( direction ) ;
|
---|
811 | rflagCol.getColumn( rflagPerPol ) ;
|
---|
812 | }
|
---|
813 | else {
|
---|
814 | rflagPerPol += rflagCol.getColumn() ;
|
---|
815 | }
|
---|
816 | Vector<Float> tmpF = tsysCol( 0 ) ;
|
---|
817 | Array<Float> tsSlice = tsi.array() ;
|
---|
818 | if ( tmpF.nelements() == (uInt)nchan_ ) {
|
---|
819 | tsysCol.getColumn( tsSlice ) ;
|
---|
820 | }
|
---|
821 | else {
|
---|
822 | tsSlice = tmpF( 0 ) ;
|
---|
823 | }
|
---|
824 | Vector<Double> tmpD = tii.array() ;
|
---|
825 | tintCol.getColumn( tmpD ) ;
|
---|
826 |
|
---|
827 | wsp_p += len ;
|
---|
828 |
|
---|
829 | fli.next() ;
|
---|
830 | tsi.next() ;
|
---|
831 | tii.next() ;
|
---|
832 | }
|
---|
833 | spSlice.freeStorage( sps_p, bsps ) ;
|
---|
834 | spectra.putStorage( sp_p, bsp ) ;
|
---|
835 |
|
---|
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 |
|
---|
841 | weight.resize( IPosition(2,nchan_,nrow_) ) ;
|
---|
842 | getWeight( weight, tsys, tint ) ;
|
---|
843 | }
|
---|
844 |
|
---|
845 | void STGrid::getData( Array<Complex> &spectra,
|
---|
846 | Array<Double> &direction,
|
---|
847 | Array<Int> &flagtra,
|
---|
848 | Array<Int> &rflag,
|
---|
849 | Array<Float> &weight )
|
---|
850 | {
|
---|
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 |
|
---|
865 | Int STGrid::getDataChunk( Array<Complex> &spectra,
|
---|
866 | Array<Double> &direction,
|
---|
867 | Array<Int> &flagtra,
|
---|
868 | Array<Int> &rflag,
|
---|
869 | Array<Float> &weight )
|
---|
870 | {
|
---|
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 |
|
---|
880 | return nrow ;
|
---|
881 | }
|
---|
882 |
|
---|
883 | Int STGrid::getDataChunk( Array<Float> &spectra,
|
---|
884 | Array<Double> &direction,
|
---|
885 | Array<uChar> &flagtra,
|
---|
886 | Array<uInt> &rflag,
|
---|
887 | Array<Float> &weight )
|
---|
888 | {
|
---|
889 | LogIO os( LogOrigin("STGrid","getDataChunk",WHERE) ) ;
|
---|
890 | Int nrow = min( spectra.shape()[2], nrow_-nprocessed_ ) ;
|
---|
891 | Array<Float> tsys( spectra.shape() ) ;
|
---|
892 | Array<Double> tint( IPosition(2,spectra.shape()[0],spectra.shape()[2]) ) ;
|
---|
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 ) ;
|
---|
898 | ArrayIterator<Double> di( direction, v ) ;
|
---|
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_ ;
|
---|
905 | Int start = offset ;
|
---|
906 | Int end = start + nrow * npol_ ;
|
---|
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() ;
|
---|
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++ ;
|
---|
941 | }
|
---|
942 | rflag.putStorage( fr_p, bfr ) ;
|
---|
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_ ;
|
---|
960 |
|
---|
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 |
|
---|
996 | getWeight( weight, tsys, tint ) ;
|
---|
997 |
|
---|
998 | nprocessed_ += nrow ;
|
---|
999 |
|
---|
1000 | return nrow ;
|
---|
1001 | }
|
---|
1002 |
|
---|
1003 | void STGrid::setupArray()
|
---|
1004 | {
|
---|
1005 | LogIO os( LogOrigin("STGrid","setupArray",WHERE) ) ;
|
---|
1006 | ROScalarColumn<uInt> polnoCol( tab_, "POLNO" ) ;
|
---|
1007 | Vector<uInt> pols = polnoCol.getColumn() ;
|
---|
1008 | //os << pols << LogIO::POST ;
|
---|
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 | }
|
---|
1039 | nrow_ = tab_.nrow() / npolOrg ;
|
---|
1040 | ROArrayColumn<uChar> tmpCol( tab_, "FLAGTRA" ) ;
|
---|
1041 | nchan_ = tmpCol( 0 ).nelements() ;
|
---|
1042 | // os << "npol_ = " << npol_ << "(" << pollist_ << ")" << endl
|
---|
1043 | // << "nchan_ = " << nchan_ << endl
|
---|
1044 | // << "nrow_ = " << nrow_ << LogIO::POST ;
|
---|
1045 | }
|
---|
1046 |
|
---|
1047 | void STGrid::getWeight( Array<Float> &w,
|
---|
1048 | Array<Float> &tsys,
|
---|
1049 | Array<Double> &tint )
|
---|
1050 | {
|
---|
1051 | LogIO os( LogOrigin("STGrid","getWeight",WHERE) ) ;
|
---|
1052 | // double t0, t1 ;
|
---|
1053 | // t0 = mathutil::gettimeofday_sec() ;
|
---|
1054 | // resize
|
---|
1055 | IPosition refShape = tsys.shape() ;
|
---|
1056 | Int nchan = refShape[1] ;
|
---|
1057 | Int nrow = refShape[2] ;
|
---|
1058 |
|
---|
1059 | // set weight
|
---|
1060 | if ( wtype_.compare( "UNIFORM" ) == 0 ) {
|
---|
1061 | w = 1.0 ;
|
---|
1062 | }
|
---|
1063 | else if ( wtype_.compare( "TINT" ) == 0 ) {
|
---|
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 ;
|
---|
1069 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
1070 | Float val = (Float)(polMean( w1_p )) ;
|
---|
1071 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
1072 | *w0_p = val ;
|
---|
1073 | w0_p++ ;
|
---|
1074 | }
|
---|
1075 | }
|
---|
1076 | w.putStorage( w_p, b0 ) ;
|
---|
1077 | tint.freeStorage( ti_p, b1 ) ;
|
---|
1078 | }
|
---|
1079 | else if ( wtype_.compare( "TSYS" ) == 0 ) {
|
---|
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 ;
|
---|
1085 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
1086 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
1087 | Float val = polMean( w1_p ) ;
|
---|
1088 | *w0_p = 1.0 / ( val * val ) ;
|
---|
1089 | w0_p++ ;
|
---|
1090 | }
|
---|
1091 | }
|
---|
1092 | w.putStorage( w_p, b0 ) ;
|
---|
1093 | tsys.freeStorage( ts_p, b1 ) ;
|
---|
1094 | }
|
---|
1095 | else if ( wtype_.compare( "TINTSYS" ) == 0 ) {
|
---|
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 ;
|
---|
1103 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
1104 | Float interval = (Float)(polMean( w1_p )) ;
|
---|
1105 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
1106 | Float temp = polMean( w2_p ) ;
|
---|
1107 | *w0_p = interval / ( temp * temp ) ;
|
---|
1108 | w0_p++ ;
|
---|
1109 | }
|
---|
1110 | }
|
---|
1111 | w.putStorage( w_p, b0 ) ;
|
---|
1112 | tint.freeStorage( ti_p, b1 ) ;
|
---|
1113 | tsys.freeStorage( ts_p, b2 ) ;
|
---|
1114 | }
|
---|
1115 | else {
|
---|
1116 | //LogIO os( LogOrigin("STGrid", "getWeight", WHERE) ) ;
|
---|
1117 | //os << LogIO::WARN << "Unsupported weight type '" << wtype_ << "', apply UNIFORM weight" << LogIO::POST ;
|
---|
1118 | w = 1.0 ;
|
---|
1119 | }
|
---|
1120 |
|
---|
1121 | // t1 = mathutil::gettimeofday_sec() ;
|
---|
1122 | // os << "getWeight: elapsed time is " << t1-t0 << " sec" << LogIO::POST ;
|
---|
1123 | }
|
---|
1124 |
|
---|
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 |
|
---|
1147 | void STGrid::toInt( Array<uChar> &u, Array<Int> &v )
|
---|
1148 | {
|
---|
1149 | uInt len = u.nelements() ;
|
---|
1150 | Int *int_p = new Int[len] ;
|
---|
1151 | Bool deleteIt ;
|
---|
1152 | const uChar *data_p = u.getStorage( deleteIt ) ;
|
---|
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 | }
|
---|
1160 | u.freeStorage( data_p, deleteIt ) ;
|
---|
1161 | v.takeStorage( u.shape(), int_p, TAKE_OVER ) ;
|
---|
1162 | }
|
---|
1163 |
|
---|
1164 | void STGrid::toInt( Array<uInt> &u, Array<Int> &v )
|
---|
1165 | {
|
---|
1166 | uInt len = u.nelements() ;
|
---|
1167 | Int *int_p = new Int[len] ;
|
---|
1168 | Bool deleteIt ;
|
---|
1169 | const uInt *data_p = u.getStorage( deleteIt ) ;
|
---|
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 | }
|
---|
1177 | u.freeStorage( data_p, deleteIt ) ;
|
---|
1178 | v.takeStorage( u.shape(), int_p, TAKE_OVER ) ;
|
---|
1179 | }
|
---|
1180 |
|
---|
1181 | void STGrid::toPixel( Array<Double> &world, Array<Double> &pixel )
|
---|
1182 | {
|
---|
1183 | // gridding will be done on (nx_+2*convSupport_) x (ny_+2*convSupport_)
|
---|
1184 | // grid plane to avoid unexpected behavior on grid edge
|
---|
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 ;
|
---|
1190 | uInt nrow = world.shape()[1] ;
|
---|
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++ ;
|
---|
1203 | }
|
---|
1204 | world.freeStorage( w_p, bw ) ;
|
---|
1205 | pixel.putStorage( p_p, bp ) ;
|
---|
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() ;
|
---|
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 ;
|
---|
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++ ) {
|
---|
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" ) {
|
---|
1281 | // to take into account Gaussian tail
|
---|
1282 | if ( convSupport_ < 0 )
|
---|
1283 | convSupport_ = 12 ; // 3 * 4
|
---|
1284 | else {
|
---|
1285 | convSupport_ = userSupport_ * 4 ;
|
---|
1286 | }
|
---|
1287 | Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
|
---|
1288 | convFunc.resize( convSize ) ;
|
---|
1289 | gaussFunc( convFunc ) ;
|
---|
1290 | }
|
---|
1291 | else if ( convType_ == "PB" ) {
|
---|
1292 | if ( convSupport_ < 0 )
|
---|
1293 | convSupport_ = 0 ;
|
---|
1294 | pbFunc( convFunc ) ;
|
---|
1295 | }
|
---|
1296 | else {
|
---|
1297 | throw AipsError( "Unsupported convolution function" ) ;
|
---|
1298 | }
|
---|
1299 | }
|
---|
1300 |
|
---|
1301 | string STGrid::saveData( string outfile )
|
---|
1302 | {
|
---|
1303 | LogIO os( LogOrigin("STGrid", "saveData", WHERE) ) ;
|
---|
1304 | double t0, t1 ;
|
---|
1305 | t0 = mathutil::gettimeofday_sec() ;
|
---|
1306 |
|
---|
1307 | //Int polno = 0 ;
|
---|
1308 | String outfile_ ;
|
---|
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 | }
|
---|
1321 | Table tab ;
|
---|
1322 | prepareTable( tab, outfile_ ) ;
|
---|
1323 | IPosition dshape = data_.shape() ;
|
---|
1324 | Int nrow = nx_ * ny_ * npol_ ;
|
---|
1325 | tab.rwKeywordSet().define( "nPol", npol_ ) ;
|
---|
1326 | tab.addRow( nrow ) ;
|
---|
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 ;
|
---|
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 ;
|
---|
1342 | for ( Int iy = 0 ; iy < ny_ ; iy++ ) {
|
---|
1343 | dir(1) = center_(1) - ( cpix(1) - (Double)iy ) * celly_ ;
|
---|
1344 | for ( Int ix = 0 ; ix < nx_ ; ix++ ) {
|
---|
1345 | dir(0) = center_(0) - ( cpix(0) - (Double)ix ) * cellx_ ;
|
---|
1346 | for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
|
---|
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 ) ;
|
---|
1358 | spectraCol.put( irow, sp ) ;
|
---|
1359 | directionCol.put( irow, dir ) ;
|
---|
1360 | polnoCol.put( irow, pollist_[ipol] ) ;
|
---|
1361 | irow++ ;
|
---|
1362 | }
|
---|
1363 | }
|
---|
1364 | }
|
---|
1365 | data_.freeStorage( data_p, bdata ) ;
|
---|
1366 |
|
---|
1367 | t1 = mathutil::gettimeofday_sec() ;
|
---|
1368 | os << "saveData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
1369 |
|
---|
1370 | return outfile_ ;
|
---|
1371 | }
|
---|
1372 |
|
---|
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 ) ;
|
---|
1378 | }
|
---|
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 ;
|
---|
1405 | }
|
---|
1406 | }
|
---|