1 | //
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2 | // C++ Implementation: STGrid
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3 | //
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4 | // Description:
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5 | //
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6 | //
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7 | // Author: Takeshi Nakazato <takeshi.nakazato@nao.ac.jp>, (C) 2011
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8 | //
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9 | // Copyright: See COPYING file that comes with this distribution
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10 | //
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11 | //
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12 | #include <casa/BasicSL/String.h>
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13 | #include <casa/Arrays/Vector.h>
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14 | #include <casa/Arrays/ArrayMath.h>
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15 | #include <casa/Quanta/Quantum.h>
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16 | #include <casa/Quanta/QuantumHolder.h>
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17 | #include <casa/Utilities/CountedPtr.h>
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18 | #include <casa/Logging/LogIO.h>
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19 |
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20 | #include <tables/Tables/Table.h>
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21 | #include <tables/Tables/TableRecord.h>
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22 | #include <tables/Tables/ExprNode.h>
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23 | #include <tables/Tables/ScalarColumn.h>
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24 | #include <tables/Tables/ArrayColumn.h>
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25 | #include <tables/Tables/TableCopy.h>
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26 |
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27 | #include <measures/Measures/MDirection.h>
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28 |
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29 | #include <MathUtils.h>
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30 |
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31 | #include "STGrid.h"
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32 |
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33 | using namespace std ;
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34 | using namespace concurrent ;
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35 | using namespace casa ;
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36 | using namespace asap ;
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37 |
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38 | namespace asap {
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39 |
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40 | // for performance check
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41 | double eToInt = 0.0 ;
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42 | double eGetWeight = 0.0 ;
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43 |
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44 | // constructor
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45 | STGrid::STGrid()
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46 | : vshape_( 1 ), wshape_( 2 ), dshape_( 2 )
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47 | {
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48 | init() ;
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49 | }
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50 |
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51 | STGrid::STGrid( const string infile )
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52 | : vshape_( 1 ), wshape_( 2 ), dshape_( 2 )
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53 | {
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54 | init() ;
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55 |
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56 | setFileIn( infile ) ;
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57 | }
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58 |
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59 | STGrid::STGrid( const vector<string> infile )
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60 | {
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61 | init() ;
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62 |
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63 | setFileList( infile ) ;
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64 | }
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65 |
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66 | void STGrid::init()
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67 | {
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68 | ifno_ = -1 ;
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69 | nx_ = -1 ;
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70 | ny_ = -1 ;
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71 | npol_ = 0 ;
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72 | nchan_ = 0 ;
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73 | nrow_ = 0 ;
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74 | cellx_ = 0.0 ;
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75 | celly_ = 0.0 ;
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76 | center_ = Vector<Double> ( 2, 0.0 ) ;
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77 | convType_ = "BOX" ;
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78 | wtype_ = "UNIFORM" ;
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79 | convSupport_ = -1 ;
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80 | userSupport_ = -1 ;
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81 | convSampling_ = 100 ;
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82 | nprocessed_ = 0 ;
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83 | nchunk_ = 0 ;
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84 |
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85 | // initialize user input
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86 | nxUI_ = -1 ;
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87 | nyUI_ = -1 ;
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88 | cellxUI_ = "" ;
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89 | cellyUI_ = "" ;
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90 | centerUI_ = "" ;
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91 | doclip_ = False ;
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92 | }
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93 |
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94 | void STGrid::setFileIn( const string infile )
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95 | {
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96 | nfile_ = 1 ;
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97 | String name( infile ) ;
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98 | infileList_.resize( nfile_ ) ;
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99 | infileList_[0] = String(infile) ;
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100 | }
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101 |
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102 | void STGrid::setFileList( const vector<string> infile )
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103 | {
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104 | nfile_ = infile.size() ;
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105 | infileList_.resize( nfile_ ) ;
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106 | for ( uInt i = 0 ; i < nfile_ ; i++ ) {
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107 | infileList_[i] = infile[i] ;
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108 | }
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109 | }
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110 |
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111 | void STGrid::setPolList( vector<unsigned int> pols )
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112 | {
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113 | pollist_.assign( Vector<uInt>( pols ) ) ;
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114 | }
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115 |
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116 | void STGrid::setScanList( vector<unsigned int> scans )
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117 | {
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118 | scanlist_.assign( Vector<uInt>( scans ) ) ;
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119 | }
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120 |
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121 | void STGrid::setWeight( const string wType )
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122 | {
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123 | wtype_ = String( wType ) ;
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124 | wtype_.upcase() ;
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125 | }
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126 |
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127 | void STGrid::defineImage( int nx,
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128 | int ny,
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129 | string scellx,
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130 | string scelly,
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131 | string scenter )
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132 | {
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133 | nxUI_ = (Int)nx ;
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134 | nyUI_ = (Int)ny ;
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135 | cellxUI_ = String( scellx ) ;
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136 | cellyUI_ = String( scelly ) ;
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137 | centerUI_ = String( scenter ) ;
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138 | }
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139 |
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140 | void STGrid::setFunc( string convType,
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141 | int convSupport )
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142 | {
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143 | convType_ = String( convType ) ;
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144 | convType_.upcase() ;
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145 | userSupport_ = (Int)convSupport ;
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146 | }
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147 |
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148 | #define NEED_UNDERSCORES
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149 | #if defined(NEED_UNDERSCORES)
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150 | #define ggridsd ggridsd_
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151 | #endif
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152 | extern "C" {
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153 | void ggridsd(Double*,
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154 | const Complex*,
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155 | Int*,
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156 | Int*,
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157 | Int*,
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158 | const Int*,
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159 | const Int*,
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160 | const Float*,
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161 | Int*,
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162 | Int*,
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163 | Complex*,
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164 | Float*,
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165 | Int*,
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166 | Int*,
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167 | Int *,
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168 | Int *,
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169 | Int*,
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170 | Int*,
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171 | Float*,
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172 | Int*,
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173 | Int*,
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174 | Double*);
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175 | }
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176 | void STGrid::call_ggridsd( Array<Double> &xypos,
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177 | Array<Complex> &spectra,
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178 | Int &nvispol,
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179 | Int &nvischan,
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180 | Array<Int> &flagtra,
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181 | Array<Int> &flagrow,
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182 | Array<Float> &weight,
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183 | Int &nrow,
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184 | Int &irow,
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185 | Array<Complex> &gdata,
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186 | Array<Float> &gwgt,
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187 | Int &nx,
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188 | Int &ny,
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189 | Int &npol,
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190 | Int &nchan,
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191 | Int &support,
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192 | Int &sampling,
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193 | Vector<Float> &convFunc,
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194 | Int *chanMap,
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195 | Int *polMap )
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196 | {
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197 | // parameters for gridding
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198 | Int idopsf = 0 ;
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199 | Int len = npol*nchan ;
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200 | Double *sumw_p = new Double[len] ;
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201 | {
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202 | Double *work_p = sumw_p ;
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203 | for ( Int i = 0 ; i < len ; i++ ) {
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204 | *work_p = 0.0 ;
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205 | work_p++ ;
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206 | }
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207 | }
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208 |
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209 | // prepare pointer
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210 | Bool deletePos, deleteData, deleteWgt, deleteFlag, deleteFlagR, deleteConv, deleteDataG, deleteWgtG ;
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211 | Double *xy_p = xypos.getStorage( deletePos ) ;
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212 | const Complex *values_p = spectra.getStorage( deleteData ) ;
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213 | const Int *flag_p = flagtra.getStorage( deleteFlag ) ;
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214 | const Int *rflag_p = flagrow.getStorage( deleteFlagR ) ;
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215 | const Float *wgt_p = weight.getStorage( deleteWgt ) ;
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216 | Complex *grid_p = gdata.getStorage( deleteDataG ) ;
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217 | Float *wgrid_p = gwgt.getStorage( deleteWgtG ) ;
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218 | Float *conv_p = convFunc.getStorage( deleteConv ) ;
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219 |
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220 | // pass copy of irow to ggridsd since it will be modified in theroutine
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221 | Int irowCopy = irow ;
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222 |
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223 | // call ggridsd
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224 | ggridsd( xy_p,
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225 | values_p,
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226 | &nvispol,
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227 | &nvischan,
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228 | &idopsf,
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229 | flag_p,
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230 | rflag_p,
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231 | wgt_p,
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232 | &nrow,
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233 | &irowCopy,
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234 | grid_p,
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235 | wgrid_p,
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236 | &nx,
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237 | &ny,
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238 | &npol,
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239 | &nchan,
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240 | &support,
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241 | &sampling,
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242 | conv_p,
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243 | chanMap,
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244 | polMap,
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245 | sumw_p ) ;
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246 |
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247 | // finalization
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248 | xypos.putStorage( xy_p, deletePos ) ;
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249 | spectra.freeStorage( values_p, deleteData ) ;
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250 | flagtra.freeStorage( flag_p, deleteFlag ) ;
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251 | flagrow.freeStorage( rflag_p, deleteFlagR ) ;
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252 | weight.freeStorage( wgt_p, deleteWgt ) ;
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253 | gdata.putStorage( grid_p, deleteDataG ) ;
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254 | gwgt.putStorage( wgrid_p, deleteWgtG ) ;
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255 | convFunc.putStorage( conv_p, deleteConv ) ;
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256 | delete sumw_p ;
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257 | }
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258 |
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259 | #define NEED_UNDERSCORES
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260 | #if defined(NEED_UNDERSCORES)
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261 | #define ggridsd2 ggridsd2_
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262 | #endif
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263 | extern "C" {
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264 | void ggridsd2(Double*,
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265 | const Complex*,
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266 | Int*,
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267 | Int*,
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268 | Int*,
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269 | const Int*,
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270 | const Int*,
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271 | const Float*,
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272 | Int*,
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273 | Int*,
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274 | Complex*,
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275 | Float*,
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276 | Int*,
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277 | Complex*,
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278 | Float*,
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279 | Float*,
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280 | Complex*,
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281 | Float*,
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282 | Float*,
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283 | Int*,
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284 | Int*,
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285 | Int *,
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286 | Int *,
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287 | Int*,
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288 | Int*,
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289 | Float*,
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290 | Int*,
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291 | Int*,
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292 | Double*);
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293 | }
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294 | void STGrid::call_ggridsd2( Array<Double> &xypos,
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295 | Array<Complex> &spectra,
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296 | Int &nvispol,
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297 | Int &nvischan,
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298 | Array<Int> &flagtra,
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299 | Array<Int> &flagrow,
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300 | Array<Float> &weight,
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301 | Int &nrow,
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302 | Int &irow,
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303 | Array<Complex> &gdata,
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304 | Array<Float> &gwgt,
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305 | Array<Int> &npoints,
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306 | Array<Complex> &clipmin,
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307 | Array<Float> &clipwmin,
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308 | Array<Float> &clipcmin,
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309 | Array<Complex> &clipmax,
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310 | Array<Float> &clipwmax,
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311 | Array<Float> &clipcmax,
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312 | Int &nx,
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313 | Int &ny,
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314 | Int &npol,
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315 | Int &nchan,
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316 | Int &support,
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317 | Int &sampling,
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318 | Vector<Float> &convFunc,
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319 | Int *chanMap,
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320 | Int *polMap )
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321 | {
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322 | // parameters for gridding
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323 | Int idopsf = 0 ;
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324 | Int len = npol*nchan ;
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325 | Double *sumw_p = new Double[len] ;
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326 | {
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327 | Double *work_p = sumw_p ;
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328 | for ( Int i = 0 ; i < len ; i++ ) {
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329 | *work_p = 0.0 ;
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330 | work_p++ ;
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331 | }
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332 | }
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333 |
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334 | // prepare pointer
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335 | Bool deletePos, deleteData, deleteWgt, deleteFlag, deleteFlagR, deleteConv, deleteDataG, deleteWgtG, deleteNpts, deleteCMin, deleteCWMin, deleteCCMin, deleteCMax, deleteCWMax, deleteCCMax ;
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336 | Double *xy_p = xypos.getStorage( deletePos ) ;
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337 | const Complex *values_p = spectra.getStorage( deleteData ) ;
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338 | const Int *flag_p = flagtra.getStorage( deleteFlag ) ;
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339 | const Int *rflag_p = flagrow.getStorage( deleteFlagR ) ;
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340 | const Float *wgt_p = weight.getStorage( deleteWgt ) ;
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341 | Complex *grid_p = gdata.getStorage( deleteDataG ) ;
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342 | Float *wgrid_p = gwgt.getStorage( deleteWgtG ) ;
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343 | Float *conv_p = convFunc.getStorage( deleteConv ) ;
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344 | Int *npts_p = npoints.getStorage( deleteNpts ) ;
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345 | Complex *cmin_p = clipmin.getStorage( deleteCMin ) ;
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346 | Float *cwmin_p = clipwmin.getStorage( deleteCWMin ) ;
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347 | Float *ccmin_p = clipcmin.getStorage( deleteCCMin ) ;
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348 | Complex *cmax_p = clipmax.getStorage( deleteCMax ) ;
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349 | Float *cwmax_p = clipwmax.getStorage( deleteCWMax ) ;
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350 | Float *ccmax_p = clipcmax.getStorage( deleteCCMax ) ;
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351 |
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352 | // pass copy of irow to ggridsd since it will be modified in theroutine
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353 | Int irowCopy = irow ;
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354 |
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355 | // call ggridsd
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356 | ggridsd2( xy_p,
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357 | values_p,
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358 | &nvispol,
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359 | &nvischan,
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360 | &idopsf,
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361 | flag_p,
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362 | rflag_p,
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363 | wgt_p,
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364 | &nrow,
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365 | &irowCopy,
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366 | grid_p,
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367 | wgrid_p,
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368 | npts_p,
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369 | cmin_p,
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370 | cwmin_p,
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371 | ccmin_p,
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372 | cmax_p,
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373 | cwmax_p,
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374 | ccmax_p,
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375 | &nx,
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376 | &ny,
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377 | &npol,
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378 | &nchan,
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379 | &support,
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380 | &sampling,
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381 | conv_p,
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382 | chanMap,
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383 | polMap,
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384 | sumw_p ) ;
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385 |
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386 | // finalization
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387 | xypos.putStorage( xy_p, deletePos ) ;
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388 | spectra.freeStorage( values_p, deleteData ) ;
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389 | flagtra.freeStorage( flag_p, deleteFlag ) ;
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390 | flagrow.freeStorage( rflag_p, deleteFlagR ) ;
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391 | weight.freeStorage( wgt_p, deleteWgt ) ;
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392 | gdata.putStorage( grid_p, deleteDataG ) ;
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393 | gwgt.putStorage( wgrid_p, deleteWgtG ) ;
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394 | convFunc.putStorage( conv_p, deleteConv ) ;
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395 | clipmin.putStorage( cmin_p, deleteCMin ) ;
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396 | clipwmin.putStorage( cwmin_p, deleteCWMin ) ;
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397 | clipcmin.putStorage( ccmin_p, deleteCCMin ) ;
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398 | clipmax.putStorage( cmax_p, deleteCMax ) ;
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399 | clipwmax.putStorage( cwmax_p, deleteCWMax ) ;
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400 | clipcmax.putStorage( ccmax_p, deleteCCMax ) ;
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401 | delete sumw_p ;
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402 | }
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403 |
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404 | void STGrid::grid()
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405 | {
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406 | LogIO os( LogOrigin("STGrid", "grid", WHERE) ) ;
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407 | double t0,t1 ;
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408 |
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409 | // data selection
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410 | t0 = mathutil::gettimeofday_sec() ;
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411 | selectData() ;
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412 | t1 = mathutil::gettimeofday_sec() ;
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413 | os << "selectData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
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414 |
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415 | setupGrid() ;
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416 | setupArray() ;
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417 |
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418 | if ( wtype_.compare("UNIFORM") != 0 &&
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419 | wtype_.compare("TINT") != 0 &&
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420 | wtype_.compare("TSYS") != 0 &&
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421 | wtype_.compare("TINTSYS") != 0 ) {
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422 | LogIO os( LogOrigin("STGrid", "grid", WHERE) ) ;
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423 | os << LogIO::WARN << "Unsupported weight type '" << wtype_ << "', apply UNIFORM weight" << LogIO::POST ;
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424 | wtype_ = "UNIFORM" ;
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425 | }
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426 |
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427 | // grid parameter
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428 | os << LogIO::DEBUGGING ;
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429 | os << "----------" << endl ;
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430 | os << "Data selection summary" << endl ;
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431 | os << " ifno = " << ifno_ << endl ;
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432 | os << " pollist = " << pollist_ << endl ;
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433 | os << " scanlist = " << scanlist_ << endl ;
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434 | os << "----------" << endl ;
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435 | os << "Grid parameter summary" << endl ;
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436 | os << " (nx,ny) = (" << nx_ << "," << ny_ << ")" << endl ;
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437 | os << " (cellx,celly) = (" << cellx_ << "," << celly_ << ")" << endl ;
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438 | os << " center = " << center_ << endl ;
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439 | os << " weighting = " << wtype_ << endl ;
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440 | os << " convfunc = " << convType_ << " with support " << convSupport_ << endl ;
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441 | os << " doclip = " << (doclip_?"True":"False") << endl ;
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442 | os << "----------" << LogIO::POST ;
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443 | os << LogIO::NORMAL ;
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444 |
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445 | if ( doclip_ )
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446 | gridPerRowWithClipping() ;
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447 | else
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448 | gridPerRow() ;
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449 | }
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450 |
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451 | void STGrid::updateChunkShape()
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452 | {
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453 | // TODO: nchunk_ must be determined from nchan_, npol_, and (nx_,ny_)
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454 | // by considering data size to be allocated for ggridsd input/output
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455 | nchunk_ = 400 ;
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456 | nchunk_ = min( nchunk_, nrow_ ) ;
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457 | vshape_ = IPosition( 1, nchunk_ ) ;
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458 | wshape_ = IPosition( 2, nchan_, nchunk_ ) ;
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459 | dshape_ = IPosition( 2, 2, nchunk_ ) ;
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460 | }
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461 |
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462 | struct STGChunk {
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463 | Int nrow ;
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464 | Array<Complex> spectra;
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465 | Array<Int> flagtra;
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466 | Array<Int> rflag;
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467 | Array<Float> weight;
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468 | Array<Double> direction;
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469 | STGChunk(IPosition const &wshape, IPosition const &vshape,
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470 | IPosition const &dshape)
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471 | : spectra(wshape), flagtra(wshape), rflag(vshape), weight(wshape),
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472 | direction(dshape)
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473 | { }
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474 | };
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---|
475 |
|
---|
476 | struct STCommonData {
|
---|
477 | Int gnx;
|
---|
478 | Int gny;
|
---|
479 | Int *chanMap;
|
---|
480 | Vector<Float> convFunc ;
|
---|
481 | Array<Complex> gdataArrC;
|
---|
482 | Array<Float> gwgtArr;
|
---|
483 | STCommonData(IPosition const &gshape, Array<Float> const &data)
|
---|
484 | : gdataArrC(gshape, 0.0), gwgtArr(data) {}
|
---|
485 | };
|
---|
486 |
|
---|
487 | struct STCommonDataWithClipping {
|
---|
488 | Int gnx;
|
---|
489 | Int gny;
|
---|
490 | Int *chanMap;
|
---|
491 | Vector<Float> convFunc ;
|
---|
492 | Array<Complex> gdataArrC;
|
---|
493 | Array<Float> gwgtArr;
|
---|
494 | Array<Int> npoints ;
|
---|
495 | Array<Complex> clipMin ;
|
---|
496 | Array<Float> clipWMin ;
|
---|
497 | Array<Float> clipCMin ;
|
---|
498 | Array<Complex> clipMax ;
|
---|
499 | Array<Float> clipWMax ;
|
---|
500 | Array<Float> clipCMax ;
|
---|
501 | STCommonDataWithClipping(IPosition const &gshape,
|
---|
502 | IPosition const &pshape,
|
---|
503 | Array<Float> const &data)
|
---|
504 | : gdataArrC(gshape, 0.0),
|
---|
505 | gwgtArr(data),
|
---|
506 | npoints(pshape, 0),
|
---|
507 | clipMin(gshape, Complex(FLT_MAX,0.0)),
|
---|
508 | clipWMin(gshape, 0.0),
|
---|
509 | clipCMin(gshape, 0.0),
|
---|
510 | clipMax(gshape, Complex(-FLT_MAX,0.0)),
|
---|
511 | clipWMax(gshape, 0.0),
|
---|
512 | clipCMax(gshape, 0.0)
|
---|
513 | {}
|
---|
514 | };
|
---|
515 |
|
---|
516 | #define DO_AHEAD 3
|
---|
517 |
|
---|
518 | struct STContext {
|
---|
519 | STCommonData &common;
|
---|
520 | FIFO<STGChunk *, DO_AHEAD> queue;
|
---|
521 | STGrid *const self;
|
---|
522 | const Int pol;
|
---|
523 | STContext(STGrid *obj, STCommonData &common, Int pol)
|
---|
524 | : self(obj), common(common), pol(pol) {}
|
---|
525 | };
|
---|
526 |
|
---|
527 | struct STContextWithClipping {
|
---|
528 | STCommonDataWithClipping &common;
|
---|
529 | FIFO<STGChunk *, DO_AHEAD> queue;
|
---|
530 | STGrid *const self;
|
---|
531 | const Int pol;
|
---|
532 | STContextWithClipping(STGrid *obj, STCommonDataWithClipping &common, Int pol)
|
---|
533 | : self(obj), common(common), pol(pol) {}
|
---|
534 | };
|
---|
535 |
|
---|
536 |
|
---|
537 | bool STGrid::produceChunk(void *ctx) throw(PCException)
|
---|
538 | {
|
---|
539 | STContext &context = *(STContext *)ctx;
|
---|
540 | if ( context.self->nprocessed_ >= context.self->nrow_ ) {
|
---|
541 | return false;
|
---|
542 | }
|
---|
543 | STGChunk *chunk = new STGChunk(context.self->wshape_,
|
---|
544 | context.self->vshape_,
|
---|
545 | context.self->dshape_);
|
---|
546 |
|
---|
547 | double t0 = mathutil::gettimeofday_sec() ;
|
---|
548 | chunk->nrow = context.self->getDataChunk(
|
---|
549 | context.self->wshape_, context.self->vshape_, context.self->dshape_,
|
---|
550 | chunk->spectra, chunk->direction,
|
---|
551 | chunk->flagtra, chunk->rflag, chunk->weight);
|
---|
552 | double t1 = mathutil::gettimeofday_sec() ;
|
---|
553 | context.self->eGetData_ += t1-t0 ;
|
---|
554 |
|
---|
555 | context.queue.lock();
|
---|
556 | context.queue.put(chunk);
|
---|
557 | context.queue.unlock();
|
---|
558 | return true;
|
---|
559 | }
|
---|
560 |
|
---|
561 | void STGrid::consumeChunk(void *ctx) throw(PCException)
|
---|
562 | {
|
---|
563 | STContext &context = *(STContext *)ctx;
|
---|
564 | STGChunk *chunk = NULL;
|
---|
565 | try {
|
---|
566 | context.queue.lock();
|
---|
567 | chunk = context.queue.get();
|
---|
568 | context.queue.unlock();
|
---|
569 | } catch (FullException &e) {
|
---|
570 | context.queue.unlock();
|
---|
571 | // TODO: log error
|
---|
572 | throw PCException();
|
---|
573 | }
|
---|
574 |
|
---|
575 | double t0, t1 ;
|
---|
576 | // world -> pixel
|
---|
577 | Array<Double> xypos( context.self->dshape_ ) ;
|
---|
578 | t0 = mathutil::gettimeofday_sec() ;
|
---|
579 | context.self->toPixel( chunk->direction, xypos ) ;
|
---|
580 | t1 = mathutil::gettimeofday_sec() ;
|
---|
581 | context.self->eToPixel_ += t1-t0 ;
|
---|
582 |
|
---|
583 | // call ggridsd
|
---|
584 | Int nvispol = 1 ;
|
---|
585 | Int irow = -1 ;
|
---|
586 | t0 = mathutil::gettimeofday_sec() ;
|
---|
587 | context.self->call_ggridsd( xypos,
|
---|
588 | chunk->spectra,
|
---|
589 | nvispol,
|
---|
590 | context.self->nchan_,
|
---|
591 | chunk->flagtra,
|
---|
592 | chunk->rflag,
|
---|
593 | chunk->weight,
|
---|
594 | chunk->nrow,
|
---|
595 | irow,
|
---|
596 | context.common.gdataArrC,
|
---|
597 | context.common.gwgtArr,
|
---|
598 | context.common.gnx,
|
---|
599 | context.common.gny,
|
---|
600 | context.self->npol_,
|
---|
601 | context.self->nchan_,
|
---|
602 | context.self->convSupport_,
|
---|
603 | context.self->convSampling_,
|
---|
604 | context.common.convFunc,
|
---|
605 | context.common.chanMap,
|
---|
606 | (Int*)&context.pol ) ;
|
---|
607 | t1 = mathutil::gettimeofday_sec() ;
|
---|
608 | context.self->eGGridSD_ += t1-t0 ;
|
---|
609 |
|
---|
610 | delete chunk;
|
---|
611 | }
|
---|
612 |
|
---|
613 | void STGrid::gridPerRow()
|
---|
614 | {
|
---|
615 | LogIO os( LogOrigin("STGrid", "gridPerRow", WHERE) ) ;
|
---|
616 | double t0, t1 ;
|
---|
617 |
|
---|
618 |
|
---|
619 | // grid data
|
---|
620 | // Extend grid plane with convSupport_
|
---|
621 | // Int gnx = nx_+convSupport_*2 ;
|
---|
622 | // Int gny = ny_+convSupport_*2 ;
|
---|
623 | Int gnx = nx_;
|
---|
624 | Int gny = ny_;
|
---|
625 |
|
---|
626 | IPosition gshape( 4, gnx, gny, npol_, nchan_ ) ;
|
---|
627 | // 2011/12/20 TN
|
---|
628 | // data_ and gwgtArr share storage
|
---|
629 | data_.resize( gshape ) ;
|
---|
630 | data_ = 0.0 ;
|
---|
631 | STCommonData common = STCommonData(gshape, data_);
|
---|
632 | common.gnx = gnx ;
|
---|
633 | common.gny = gny ;
|
---|
634 |
|
---|
635 | // parameters for gridding
|
---|
636 | Int *chanMap = new Int[nchan_] ;
|
---|
637 | for ( Int i = 0 ; i < nchan_ ; i++ ) {
|
---|
638 | chanMap[i] = i ;
|
---|
639 | }
|
---|
640 | common.chanMap = chanMap;
|
---|
641 |
|
---|
642 | // convolution kernel
|
---|
643 | t0 = mathutil::gettimeofday_sec() ;
|
---|
644 | setConvFunc( common.convFunc ) ;
|
---|
645 | t1 = mathutil::gettimeofday_sec() ;
|
---|
646 | os << "setConvFunc: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
647 |
|
---|
648 | // for performance check
|
---|
649 | eGetData_ = 0.0 ;
|
---|
650 | eToPixel_ = 0.0 ;
|
---|
651 | eGGridSD_ = 0.0 ;
|
---|
652 | double eInitPol = 0.0 ;
|
---|
653 |
|
---|
654 | for ( uInt ifile = 0 ; ifile < nfile_ ; ifile++ ) {
|
---|
655 | initTable( ifile ) ;
|
---|
656 |
|
---|
657 | os << "start table " << ifile << ": " << infileList_[ifile] << LogIO::POST ;
|
---|
658 | Broker broker = Broker(produceChunk, consumeChunk);
|
---|
659 | for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
|
---|
660 | t0 = mathutil::gettimeofday_sec() ;
|
---|
661 | initPol( ipol ) ; // set ptab_ and attach()
|
---|
662 | t1 = mathutil::gettimeofday_sec() ;
|
---|
663 | eInitPol += t1-t0 ;
|
---|
664 |
|
---|
665 | STContext context(this, common, ipol);
|
---|
666 |
|
---|
667 | os << "start pol " << ipol << LogIO::POST ;
|
---|
668 |
|
---|
669 | nprocessed_ = 0 ;
|
---|
670 | #if 1
|
---|
671 | broker.runProducerAsMasterThread(&context, DO_AHEAD);
|
---|
672 | #else
|
---|
673 | for (;;) {
|
---|
674 | bool produced = produceChunk(&context);
|
---|
675 | if (! produced) {
|
---|
676 | break;
|
---|
677 | }
|
---|
678 | consumeChunk(&context);
|
---|
679 | }
|
---|
680 | #endif
|
---|
681 |
|
---|
682 | os << "end pol " << ipol << LogIO::POST ;
|
---|
683 |
|
---|
684 | }
|
---|
685 | os << "end table " << ifile << LogIO::POST ;
|
---|
686 | }
|
---|
687 | os << "initPol: elapsed time is " << eInitPol << " sec." << LogIO::POST ;
|
---|
688 | os << "getData: elapsed time is " << eGetData_-eToInt-eGetWeight << " sec." << LogIO::POST ;
|
---|
689 | os << "toPixel: elapsed time is " << eToPixel_ << " sec." << LogIO::POST ;
|
---|
690 | os << "ggridsd: elapsed time is " << eGGridSD_ << " sec." << LogIO::POST ;
|
---|
691 | os << "toInt: elapsed time is " << eToInt << " sec." << LogIO::POST ;
|
---|
692 | os << "getWeight: elapsed time is " << eGetWeight << " sec." << LogIO::POST ;
|
---|
693 |
|
---|
694 | delete chanMap ;
|
---|
695 |
|
---|
696 | // set data
|
---|
697 | setData( common.gdataArrC, common.gwgtArr ) ;
|
---|
698 |
|
---|
699 | }
|
---|
700 |
|
---|
701 | void STGrid::consumeChunkWithClipping(void *ctx) throw(PCException)
|
---|
702 | {
|
---|
703 | STContextWithClipping &context = *(STContextWithClipping *)ctx;
|
---|
704 | STGChunk *chunk = NULL;
|
---|
705 | try {
|
---|
706 | context.queue.lock();
|
---|
707 | chunk = context.queue.get();
|
---|
708 | context.queue.unlock();
|
---|
709 | } catch (FullException &e) {
|
---|
710 | context.queue.unlock();
|
---|
711 | // TODO: log error
|
---|
712 | throw PCException();
|
---|
713 | }
|
---|
714 |
|
---|
715 | double t0, t1 ;
|
---|
716 | // world -> pixel
|
---|
717 | Array<Double> xypos( context.self->dshape_ ) ;
|
---|
718 | t0 = mathutil::gettimeofday_sec() ;
|
---|
719 | context.self->toPixel( chunk->direction, xypos ) ;
|
---|
720 | t1 = mathutil::gettimeofday_sec() ;
|
---|
721 | context.self->eToPixel_ += t1-t0 ;
|
---|
722 |
|
---|
723 | // call ggridsd
|
---|
724 | Int nvispol = 1 ;
|
---|
725 | Int irow = -1 ;
|
---|
726 | t0 = mathutil::gettimeofday_sec() ;
|
---|
727 | context.self->call_ggridsd2( xypos,
|
---|
728 | chunk->spectra,
|
---|
729 | nvispol,
|
---|
730 | context.self->nchan_,
|
---|
731 | chunk->flagtra,
|
---|
732 | chunk->rflag,
|
---|
733 | chunk->weight,
|
---|
734 | chunk->nrow,
|
---|
735 | irow,
|
---|
736 | context.common.gdataArrC,
|
---|
737 | context.common.gwgtArr,
|
---|
738 | context.common.npoints,
|
---|
739 | context.common.clipMin,
|
---|
740 | context.common.clipWMin,
|
---|
741 | context.common.clipCMin,
|
---|
742 | context.common.clipMax,
|
---|
743 | context.common.clipWMax,
|
---|
744 | context.common.clipCMax,
|
---|
745 | context.common.gnx,
|
---|
746 | context.common.gny,
|
---|
747 | context.self->npol_,
|
---|
748 | context.self->nchan_,
|
---|
749 | context.self->convSupport_,
|
---|
750 | context.self->convSampling_,
|
---|
751 | context.common.convFunc,
|
---|
752 | context.common.chanMap,
|
---|
753 | (Int*)&context.pol ) ;
|
---|
754 | t1 = mathutil::gettimeofday_sec() ;
|
---|
755 | context.self->eGGridSD_ += t1-t0 ;
|
---|
756 |
|
---|
757 | delete chunk;
|
---|
758 | }
|
---|
759 |
|
---|
760 | void STGrid::gridPerRowWithClipping()
|
---|
761 | {
|
---|
762 | LogIO os( LogOrigin("STGrid", "gridPerRowWithClipping", WHERE) ) ;
|
---|
763 | double t0, t1 ;
|
---|
764 |
|
---|
765 |
|
---|
766 | // grid data
|
---|
767 | // Extend grid plane with convSupport_
|
---|
768 | // Int gnx = nx_+convSupport_*2 ;
|
---|
769 | // Int gny = ny_+convSupport_*2 ;
|
---|
770 | Int gnx = nx_;
|
---|
771 | Int gny = ny_;
|
---|
772 |
|
---|
773 | IPosition gshape( 4, gnx, gny, npol_, nchan_ ) ;
|
---|
774 | IPosition pshape( 3, gnx, gny, npol_ ) ;
|
---|
775 | // 2011/12/20 TN
|
---|
776 | // data_ and gwgtArr share storage
|
---|
777 | data_.resize( gshape ) ;
|
---|
778 | data_ = 0.0 ;
|
---|
779 | STCommonDataWithClipping common = STCommonDataWithClipping( gshape,
|
---|
780 | pshape,
|
---|
781 | data_ ) ;
|
---|
782 | common.gnx = gnx ;
|
---|
783 | common.gny = gny ;
|
---|
784 |
|
---|
785 | // parameters for gridding
|
---|
786 | Int *chanMap = new Int[nchan_] ;
|
---|
787 | for ( Int i = 0 ; i < nchan_ ; i++ ) {
|
---|
788 | chanMap[i] = i ;
|
---|
789 | }
|
---|
790 | common.chanMap = chanMap;
|
---|
791 |
|
---|
792 | // convolution kernel
|
---|
793 | t0 = mathutil::gettimeofday_sec() ;
|
---|
794 | setConvFunc( common.convFunc ) ;
|
---|
795 | t1 = mathutil::gettimeofday_sec() ;
|
---|
796 | os << "setConvFunc: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
797 |
|
---|
798 | // for performance check
|
---|
799 | eGetData_ = 0.0 ;
|
---|
800 | eToPixel_ = 0.0 ;
|
---|
801 | eGGridSD_ = 0.0 ;
|
---|
802 | double eInitPol = 0.0 ;
|
---|
803 |
|
---|
804 | for ( uInt ifile = 0 ; ifile < nfile_ ; ifile++ ) {
|
---|
805 | initTable( ifile ) ;
|
---|
806 |
|
---|
807 | os << "start table " << ifile << ": " << infileList_[ifile] << LogIO::POST ;
|
---|
808 | Broker broker = Broker(produceChunk, consumeChunkWithClipping);
|
---|
809 | for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
|
---|
810 | t0 = mathutil::gettimeofday_sec() ;
|
---|
811 | initPol( ipol ) ; // set ptab_ and attach()
|
---|
812 | t1 = mathutil::gettimeofday_sec() ;
|
---|
813 | eInitPol += t1-t0 ;
|
---|
814 |
|
---|
815 | STContextWithClipping context(this, common, ipol);
|
---|
816 |
|
---|
817 | os << "start pol " << ipol << LogIO::POST ;
|
---|
818 |
|
---|
819 | nprocessed_ = 0 ;
|
---|
820 | #if 1
|
---|
821 | broker.runProducerAsMasterThread(&context, DO_AHEAD);
|
---|
822 | #else
|
---|
823 | for (;;) {
|
---|
824 | bool produced = produceChunk(&context);
|
---|
825 | if (! produced) {
|
---|
826 | break;
|
---|
827 | }
|
---|
828 | consumeChunkWithClipping(&context);
|
---|
829 | }
|
---|
830 | #endif
|
---|
831 |
|
---|
832 | os << "end pol " << ipol << LogIO::POST ;
|
---|
833 |
|
---|
834 | }
|
---|
835 | os << "end table " << ifile << LogIO::POST ;
|
---|
836 | }
|
---|
837 | os << "initPol: elapsed time is " << eInitPol << " sec." << LogIO::POST ;
|
---|
838 | os << "getData: elapsed time is " << eGetData_-eToInt-eGetWeight << " sec." << LogIO::POST ;
|
---|
839 | os << "toPixel: elapsed time is " << eToPixel_ << " sec." << LogIO::POST ;
|
---|
840 | os << "ggridsd2: elapsed time is " << eGGridSD_ << " sec." << LogIO::POST ;
|
---|
841 | os << "toInt: elapsed time is " << eToInt << " sec." << LogIO::POST ;
|
---|
842 | os << "getWeight: elapsed time is " << eGetWeight << " sec." << LogIO::POST ;
|
---|
843 |
|
---|
844 | delete chanMap ;
|
---|
845 |
|
---|
846 | // clip min and max in each grid
|
---|
847 | // os << "BEFORE CLIPPING" << LogIO::POST ;
|
---|
848 | // os << "gdataArrC=" << common.gdataArrC << LogIO::POST ;
|
---|
849 | // os << "gwgtArr=" << common.gwgtArr << LogIO::POST ;
|
---|
850 | t0 = mathutil::gettimeofday_sec() ;
|
---|
851 | clipMinMax( common.gdataArrC,
|
---|
852 | common.gwgtArr,
|
---|
853 | common.npoints,
|
---|
854 | common.clipMin,
|
---|
855 | common.clipWMin,
|
---|
856 | common.clipCMin,
|
---|
857 | common.clipMax,
|
---|
858 | common.clipWMax,
|
---|
859 | common.clipCMax ) ;
|
---|
860 | t1 = mathutil::gettimeofday_sec() ;
|
---|
861 | os << "clipMinMax: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
862 | // os << "AFTER CLIPPING" << LogIO::POST ;
|
---|
863 | // os << "gdataArrC=" << common.gdataArrC << LogIO::POST ;
|
---|
864 | // os << "gwgtArr=" << common.gwgtArr << LogIO::POST ;
|
---|
865 |
|
---|
866 | // set data
|
---|
867 | setData( common.gdataArrC, common.gwgtArr ) ;
|
---|
868 |
|
---|
869 | }
|
---|
870 |
|
---|
871 | void STGrid::clipMinMax( Array<Complex> &grid,
|
---|
872 | Array<Float> &weight,
|
---|
873 | Array<Int> &npoints,
|
---|
874 | Array<Complex> &clipmin,
|
---|
875 | Array<Float> &clipwmin,
|
---|
876 | Array<Float> &clipcmin,
|
---|
877 | Array<Complex> &clipmax,
|
---|
878 | Array<Float> &clipwmax,
|
---|
879 | Array<Float> &clipcmax )
|
---|
880 | {
|
---|
881 | //LogIO os( LogOrigin("STGrid","clipMinMax",WHERE) ) ;
|
---|
882 |
|
---|
883 | // prepare pointers
|
---|
884 | Bool delG, delW, delNP, delCMin, delCWMin, delCCMin, delCMax, delCWMax, delCCMax ;
|
---|
885 | Complex *grid_p = grid.getStorage( delG ) ;
|
---|
886 | Float *wgt_p = weight.getStorage( delW ) ;
|
---|
887 | const Int *npts_p = npoints.getStorage( delNP ) ;
|
---|
888 | const Complex *cmin_p = clipmin.getStorage( delCMin ) ;
|
---|
889 | const Float *cwmin_p = clipwmin.getStorage( delCWMin ) ;
|
---|
890 | const Float *ccmin_p = clipcmin.getStorage( delCCMin ) ;
|
---|
891 | const Complex *cmax_p = clipmax.getStorage( delCMax ) ;
|
---|
892 | const Float *cwmax_p = clipwmax.getStorage( delCWMax ) ;
|
---|
893 | const Float *ccmax_p = clipcmax.getStorage( delCCMax ) ;
|
---|
894 |
|
---|
895 | const IPosition &gshape = grid.shape() ;
|
---|
896 | long offset = gshape[0] * gshape[1] * gshape[2] ; // nx * ny * npol
|
---|
897 | Int nchan = gshape[3] ;
|
---|
898 | long origin = nchan * offset ;
|
---|
899 | for ( long i = 0 ; i < offset ; i++ ) {
|
---|
900 | if ( *npts_p > 2 ) {
|
---|
901 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
902 | // clip minimum and maximum
|
---|
903 | *grid_p -= (*cmin_p)*(*cwmin_p)*(*ccmin_p)
|
---|
904 | + (*cmax_p)*(*cwmax_p)*(*ccmax_p) ;
|
---|
905 | *wgt_p -= (*cwmin_p)*(*ccmin_p)
|
---|
906 | + (*cwmax_p)*(*ccmax_p) ;
|
---|
907 |
|
---|
908 | grid_p += offset ;
|
---|
909 | wgt_p += offset ;
|
---|
910 | cmin_p += offset ;
|
---|
911 | cwmin_p += offset ;
|
---|
912 | ccmin_p += offset ;
|
---|
913 | cmax_p += offset ;
|
---|
914 | cwmax_p += offset ;
|
---|
915 | ccmax_p += offset ;
|
---|
916 | }
|
---|
917 | grid_p -= origin ;
|
---|
918 | wgt_p -= origin ;
|
---|
919 | cmin_p -= origin ;
|
---|
920 | cwmin_p -= origin ;
|
---|
921 | ccmin_p -= origin ;
|
---|
922 | cmax_p -= origin ;
|
---|
923 | cwmax_p -= origin ;
|
---|
924 | ccmax_p -= origin ;
|
---|
925 | }
|
---|
926 | grid_p++ ;
|
---|
927 | wgt_p++ ;
|
---|
928 | npts_p++ ;
|
---|
929 | cmin_p++ ;
|
---|
930 | cwmin_p++ ;
|
---|
931 | ccmin_p++ ;
|
---|
932 | cmax_p++ ;
|
---|
933 | cwmax_p++ ;
|
---|
934 | ccmax_p++ ;
|
---|
935 | }
|
---|
936 | grid_p -= offset ;
|
---|
937 | wgt_p -= offset ;
|
---|
938 | npts_p -= offset ;
|
---|
939 | cmin_p -= offset ;
|
---|
940 | cwmin_p -= offset ;
|
---|
941 | ccmin_p -= offset ;
|
---|
942 | cmax_p -= offset ;
|
---|
943 | cwmax_p -= offset ;
|
---|
944 | ccmax_p -= offset ;
|
---|
945 |
|
---|
946 | // finalization
|
---|
947 | grid.putStorage( grid_p, delG ) ;
|
---|
948 | weight.putStorage( wgt_p, delW ) ;
|
---|
949 | npoints.freeStorage( npts_p, delNP ) ;
|
---|
950 | clipmin.freeStorage( cmin_p, delCMin ) ;
|
---|
951 | clipwmin.freeStorage( cwmin_p, delCWMin ) ;
|
---|
952 | clipcmin.freeStorage( ccmin_p, delCCMin ) ;
|
---|
953 | clipmax.freeStorage( cmax_p, delCMax ) ;
|
---|
954 | clipwmax.freeStorage( cwmax_p, delCWMax ) ;
|
---|
955 | clipcmax.freeStorage( ccmax_p, delCCMax ) ;
|
---|
956 | }
|
---|
957 |
|
---|
958 | void STGrid::initPol( Int ipol )
|
---|
959 | {
|
---|
960 | LogIO os( LogOrigin("STGrid","initPol",WHERE) ) ;
|
---|
961 | if ( npolOrg_ == 1 ) {
|
---|
962 | os << "single polarization data." << LogIO::POST ;
|
---|
963 | ptab_ = tab_ ;
|
---|
964 | }
|
---|
965 | else
|
---|
966 | ptab_ = tab_( tab_.col("POLNO") == (uInt)ipol ) ;
|
---|
967 |
|
---|
968 | attach( ptab_ ) ;
|
---|
969 | }
|
---|
970 |
|
---|
971 | void STGrid::initTable( uInt idx )
|
---|
972 | {
|
---|
973 | tab_ = tableList_[idx] ;
|
---|
974 | nrow_ = rows_[idx] ;
|
---|
975 | updateChunkShape() ;
|
---|
976 | }
|
---|
977 |
|
---|
978 | void STGrid::setData( Array<Complex> &gdata,
|
---|
979 | Array<Float> &gwgt )
|
---|
980 | {
|
---|
981 | // 2011/12/20 TN
|
---|
982 | // gwgt and data_ share storage
|
---|
983 | LogIO os( LogOrigin("STGrid","setData",WHERE) ) ;
|
---|
984 | double t0, t1 ;
|
---|
985 | t0 = mathutil::gettimeofday_sec() ;
|
---|
986 | uInt len = data_.nelements() ;
|
---|
987 | const Complex *w1_p ;
|
---|
988 | Float *w2_p ;
|
---|
989 | Bool b1, b2 ;
|
---|
990 | const Complex *gdata_p = gdata.getStorage( b1 ) ;
|
---|
991 | Float *gwgt_p = data_.getStorage( b2 ) ;
|
---|
992 | w1_p = gdata_p ;
|
---|
993 | w2_p = gwgt_p ;
|
---|
994 | for ( uInt i = 0 ; i < len ; i++ ) {
|
---|
995 | if ( *w2_p > 0.0 ) *w2_p = (*w1_p).real() / *w2_p ;
|
---|
996 | w1_p++ ;
|
---|
997 | w2_p++ ;
|
---|
998 | }
|
---|
999 | gdata.freeStorage( gdata_p, b1 ) ;
|
---|
1000 | data_.putStorage( gwgt_p, b2 ) ;
|
---|
1001 | t1 = mathutil::gettimeofday_sec() ;
|
---|
1002 | os << "setData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
1003 | }
|
---|
1004 |
|
---|
1005 | void STGrid::setupGrid()
|
---|
1006 | {
|
---|
1007 | Double xmin,xmax,ymin,ymax ;
|
---|
1008 | mapExtent( xmin, xmax, ymin, ymax ) ;
|
---|
1009 |
|
---|
1010 | setupGrid( nxUI_, nyUI_, cellxUI_, cellyUI_,
|
---|
1011 | xmin, xmax, ymin, ymax, centerUI_ ) ;
|
---|
1012 | }
|
---|
1013 |
|
---|
1014 | void STGrid::setupGrid( Int &nx,
|
---|
1015 | Int &ny,
|
---|
1016 | String &cellx,
|
---|
1017 | String &celly,
|
---|
1018 | Double &xmin,
|
---|
1019 | Double &xmax,
|
---|
1020 | Double &ymin,
|
---|
1021 | Double &ymax,
|
---|
1022 | String ¢er )
|
---|
1023 | {
|
---|
1024 | LogIO os( LogOrigin("STGrid","setupGrid",WHERE) ) ;
|
---|
1025 | //cout << "nx=" << nx << ", ny=" << ny << endl ;
|
---|
1026 |
|
---|
1027 | // center position
|
---|
1028 | if ( center.size() == 0 ) {
|
---|
1029 | center_(0) = 0.5 * ( xmin + xmax ) ;
|
---|
1030 | center_(1) = 0.5 * ( ymin + ymax ) ;
|
---|
1031 | }
|
---|
1032 | else {
|
---|
1033 | String::size_type pos0 = center.find( " " ) ;
|
---|
1034 | if ( pos0 == String::npos ) {
|
---|
1035 | throw AipsError( "bad string format in parameter center" ) ;
|
---|
1036 | }
|
---|
1037 | String::size_type pos1 = center.find( " ", pos0+1 ) ;
|
---|
1038 | String typestr, xstr, ystr ;
|
---|
1039 | if ( pos1 != String::npos ) {
|
---|
1040 | typestr = center.substr( 0, pos0 ) ;
|
---|
1041 | xstr = center.substr( pos0+1, pos1-pos0 ) ;
|
---|
1042 | ystr = center.substr( pos1+1 ) ;
|
---|
1043 | // todo: convert to J2000 (or direction ref for DIRECTION column)
|
---|
1044 | }
|
---|
1045 | else {
|
---|
1046 | typestr = "J2000" ;
|
---|
1047 | xstr = center.substr( 0, pos0 ) ;
|
---|
1048 | ystr = center.substr( pos0+1 ) ;
|
---|
1049 | }
|
---|
1050 | QuantumHolder qh ;
|
---|
1051 | String err ;
|
---|
1052 | qh.fromString( err, xstr ) ;
|
---|
1053 | Quantum<Double> xcen = qh.asQuantumDouble() ;
|
---|
1054 | qh.fromString( err, ystr ) ;
|
---|
1055 | Quantum<Double> ycen = qh.asQuantumDouble() ;
|
---|
1056 | center_(0) = xcen.getValue( "rad" ) ;
|
---|
1057 | center_(1) = ycen.getValue( "rad" ) ;
|
---|
1058 | }
|
---|
1059 |
|
---|
1060 |
|
---|
1061 | nx_ = nx ;
|
---|
1062 | ny_ = ny ;
|
---|
1063 | if ( nx < 0 && ny > 0 ) {
|
---|
1064 | nx_ = ny ;
|
---|
1065 | ny_ = ny ;
|
---|
1066 | }
|
---|
1067 | if ( ny < 0 && nx > 0 ) {
|
---|
1068 | nx_ = nx ;
|
---|
1069 | ny_ = nx ;
|
---|
1070 | }
|
---|
1071 |
|
---|
1072 | //Double wx = xmax - xmin ;
|
---|
1073 | //Double wy = ymax - ymin ;
|
---|
1074 | Double wx = max( abs(xmax-center_(0)), abs(xmin-center_(0)) ) * 2 ;
|
---|
1075 | Double wy = max( abs(ymax-center_(1)), abs(ymin-center_(1)) ) * 2 ;
|
---|
1076 | // take 10% margin
|
---|
1077 | wx *= 1.10 ;
|
---|
1078 | wy *= 1.10 ;
|
---|
1079 |
|
---|
1080 | Quantum<Double> qcellx ;
|
---|
1081 | Quantum<Double> qcelly ;
|
---|
1082 | //cout << "nx_ = " << nx_ << ", ny_ = " << ny_ << endl ;
|
---|
1083 | if ( cellx.size() != 0 && celly.size() != 0 ) {
|
---|
1084 | readQuantity( qcellx, cellx ) ;
|
---|
1085 | readQuantity( qcelly, celly ) ;
|
---|
1086 | }
|
---|
1087 | else if ( celly.size() != 0 ) {
|
---|
1088 | os << "Using celly to x-axis..." << LogIO::POST ;
|
---|
1089 | readQuantity( qcelly, celly ) ;
|
---|
1090 | qcellx = qcelly ;
|
---|
1091 | }
|
---|
1092 | else if ( cellx.size() != 0 ) {
|
---|
1093 | os << "Using cellx to y-axis..." << LogIO::POST ;
|
---|
1094 | readQuantity( qcellx, cellx ) ;
|
---|
1095 | qcelly = qcellx ;
|
---|
1096 | }
|
---|
1097 | else {
|
---|
1098 | if ( nx_ < 0 ) {
|
---|
1099 | os << "No user preference in grid setting. Using default..." << LogIO::POST ;
|
---|
1100 | readQuantity( qcellx, "1.0arcmin" ) ;
|
---|
1101 | qcelly = qcellx ;
|
---|
1102 | }
|
---|
1103 | else {
|
---|
1104 | if ( wx == 0.0 ) {
|
---|
1105 | os << "Using default spatial extent (10arcmin) in x" << LogIO::POST ;
|
---|
1106 | wx = 0.00290888 ;
|
---|
1107 | }
|
---|
1108 | if ( wy == 0.0 ) {
|
---|
1109 | os << "Using default spatial extent (10arcmin) in y" << LogIO::POST ;
|
---|
1110 | wy = 0.00290888 ;
|
---|
1111 | }
|
---|
1112 | qcellx = Quantum<Double>( wx/nx_, "rad" ) ;
|
---|
1113 | qcelly = Quantum<Double>( wy/ny_, "rad" ) ;
|
---|
1114 | }
|
---|
1115 | }
|
---|
1116 | cellx_ = qcellx.getValue( "rad" ) ;
|
---|
1117 | celly_ = qcelly.getValue( "rad" ) ;
|
---|
1118 | if ( nx_ < 0 ) {
|
---|
1119 | if ( wx == 0.0 ) {
|
---|
1120 | os << "Using default spatial extent (10arcmin) in x" << LogIO::POST ;
|
---|
1121 | wx = 0.00290888 ;
|
---|
1122 | }
|
---|
1123 | if ( wy == 0.0 ) {
|
---|
1124 | os << "Using default spatial extent (10arcmin) in y" << LogIO::POST ;
|
---|
1125 | wy = 0.00290888 ;
|
---|
1126 | }
|
---|
1127 | nx_ = Int( ceil( wx/cellx_ ) ) ;
|
---|
1128 | ny_ = Int( ceil( wy/celly_ ) ) ;
|
---|
1129 | }
|
---|
1130 | }
|
---|
1131 |
|
---|
1132 | void STGrid::mapExtent( Double &xmin, Double &xmax,
|
---|
1133 | Double &ymin, Double &ymax )
|
---|
1134 | {
|
---|
1135 | //LogIO os( LogOrigin("STGrid","mapExtent",WHERE) ) ;
|
---|
1136 | directionCol_.attach( tableList_[0], "DIRECTION" ) ;
|
---|
1137 | Matrix<Double> direction = directionCol_.getColumn() ;
|
---|
1138 | //os << "dirCol.nrow() = " << dirCol.nrow() << LogIO::POST ;
|
---|
1139 | minMax( xmin, xmax, direction.row( 0 ) ) ;
|
---|
1140 | minMax( ymin, ymax, direction.row( 1 ) ) ;
|
---|
1141 | Double amin, amax, bmin, bmax ;
|
---|
1142 | for ( uInt i = 1 ; i < nfile_ ; i++ ) {
|
---|
1143 | directionCol_.attach( tableList_[i], "DIRECTION" ) ;
|
---|
1144 | direction.assign( directionCol_.getColumn() ) ;
|
---|
1145 | //os << "dirCol.nrow() = " << dirCol.nrow() << LogIO::POST ;
|
---|
1146 | minMax( amin, amax, direction.row( 0 ) ) ;
|
---|
1147 | minMax( bmin, bmax, direction.row( 1 ) ) ;
|
---|
1148 | xmin = min( xmin, amin ) ;
|
---|
1149 | xmax = max( xmax, amax ) ;
|
---|
1150 | ymin = min( ymin, bmin ) ;
|
---|
1151 | ymax = max( ymax, bmax ) ;
|
---|
1152 | }
|
---|
1153 | //os << "(xmin,xmax)=(" << xmin << "," << xmax << ")" << LogIO::POST ;
|
---|
1154 | //os << "(ymin,ymax)=(" << ymin << "," << ymax << ")" << LogIO::POST ;
|
---|
1155 | }
|
---|
1156 |
|
---|
1157 | void STGrid::selectData()
|
---|
1158 | {
|
---|
1159 | LogIO os( LogOrigin("STGrid","selectData",WHERE) ) ;
|
---|
1160 | Int ifno = ifno_ ;
|
---|
1161 | tableList_.resize( nfile_ ) ;
|
---|
1162 | if ( ifno == -1 ) {
|
---|
1163 | Table taborg( infileList_[0] ) ;
|
---|
1164 | ROScalarColumn<uInt> ifnoCol( taborg, "IFNO" ) ;
|
---|
1165 | ifno = ifnoCol( 0 ) ;
|
---|
1166 | os << LogIO::WARN
|
---|
1167 | << "IFNO is not given. Using default IFNO: " << ifno << LogIO::POST ;
|
---|
1168 | }
|
---|
1169 | for ( uInt i = 0 ; i < nfile_ ; i++ ) {
|
---|
1170 | Table taborg( infileList_[i] ) ;
|
---|
1171 | TableExprNode node ;
|
---|
1172 | if ( isMultiIF( taborg ) ) {
|
---|
1173 | os << "apply selection on IFNO" << LogIO::POST ;
|
---|
1174 | node = taborg.col("IFNO") == ifno ;
|
---|
1175 | }
|
---|
1176 | if ( scanlist_.size() > 0 ) {
|
---|
1177 | os << "apply selection on SCANNO" << LogIO::POST ;
|
---|
1178 | node = node && taborg.col("SCANNO").in( scanlist_ ) ;
|
---|
1179 | }
|
---|
1180 | if ( node.isNull() ) {
|
---|
1181 | tableList_[i] = taborg ;
|
---|
1182 | }
|
---|
1183 | else {
|
---|
1184 | tableList_[i] = taborg( node ) ;
|
---|
1185 | }
|
---|
1186 | os << "tableList_[" << i << "].nrow()=" << tableList_[i].nrow() << LogIO::POST ;
|
---|
1187 | if ( tableList_[i].nrow() == 0 ) {
|
---|
1188 | os << LogIO::SEVERE
|
---|
1189 | << "No corresponding rows for given selection: IFNO " << ifno ;
|
---|
1190 | if ( scanlist_.size() > 0 )
|
---|
1191 | os << " SCANNO " << scanlist_ ;
|
---|
1192 | os << LogIO::EXCEPTION ;
|
---|
1193 | }
|
---|
1194 | }
|
---|
1195 | }
|
---|
1196 |
|
---|
1197 | Bool STGrid::isMultiIF( Table &tab )
|
---|
1198 | {
|
---|
1199 | ROScalarColumn<uInt> ifnoCol( tab, "IFNO" ) ;
|
---|
1200 | Vector<uInt> ifnos = ifnoCol.getColumn() ;
|
---|
1201 | return anyNE( ifnos, ifnos[0] ) ;
|
---|
1202 | }
|
---|
1203 |
|
---|
1204 | void STGrid::attach( Table &tab )
|
---|
1205 | {
|
---|
1206 | // attach to table
|
---|
1207 | spectraCol_.attach( tab, "SPECTRA" ) ;
|
---|
1208 | flagtraCol_.attach( tab, "FLAGTRA" ) ;
|
---|
1209 | directionCol_.attach( tab, "DIRECTION" ) ;
|
---|
1210 | flagRowCol_.attach( tab, "FLAGROW" ) ;
|
---|
1211 | tsysCol_.attach( tab, "TSYS" ) ;
|
---|
1212 | intervalCol_.attach( tab, "INTERVAL" ) ;
|
---|
1213 | }
|
---|
1214 |
|
---|
1215 | Int STGrid::getDataChunk(
|
---|
1216 | IPosition const &wshape,
|
---|
1217 | IPosition const &vshape,
|
---|
1218 | IPosition const &dshape,
|
---|
1219 | Array<Complex> &spectra,
|
---|
1220 | Array<Double> &direction,
|
---|
1221 | Array<Int> &flagtra,
|
---|
1222 | Array<Int> &rflag,
|
---|
1223 | Array<Float> &weight )
|
---|
1224 | {
|
---|
1225 | LogIO os( LogOrigin("STGrid","getDataChunk",WHERE) ) ;
|
---|
1226 |
|
---|
1227 | Array<Float> spectraF_(wshape);
|
---|
1228 | Array<uChar> flagtraUC_(wshape);
|
---|
1229 | Array<uInt> rflagUI_(vshape);
|
---|
1230 | Int nrow = getDataChunk( spectraF_, direction, flagtraUC_, rflagUI_, weight ) ;
|
---|
1231 | if ( nrow < nchunk_ ) {
|
---|
1232 | spectra.resize( spectraF_.shape() ) ;
|
---|
1233 | flagtra.resize( flagtraUC_.shape() ) ;
|
---|
1234 | rflag.resize( rflagUI_.shape() ) ;
|
---|
1235 | }
|
---|
1236 | double t0, t1 ;
|
---|
1237 | t0 = mathutil::gettimeofday_sec() ;
|
---|
1238 | convertArray( spectra, spectraF_ ) ;
|
---|
1239 | toInt( flagtraUC_, flagtra ) ;
|
---|
1240 | toInt( rflagUI_, rflag ) ;
|
---|
1241 | t1 = mathutil::gettimeofday_sec() ;
|
---|
1242 | eToInt = t1 - t0 ;
|
---|
1243 |
|
---|
1244 | return nrow ;
|
---|
1245 | }
|
---|
1246 |
|
---|
1247 | #if 0
|
---|
1248 | Int STGrid::getDataChunk( Array<Complex> &spectra,
|
---|
1249 | Array<Double> &direction,
|
---|
1250 | Array<Int> &flagtra,
|
---|
1251 | Array<Int> &rflag,
|
---|
1252 | Array<Float> &weight )
|
---|
1253 | {
|
---|
1254 | LogIO os( LogOrigin("STGrid","getDataChunk",WHERE) ) ;
|
---|
1255 | Int nrow = getDataChunk( spectraF_, direction, flagtraUC_, rflagUI_, weight ) ;
|
---|
1256 | if ( nrow < nchunk_ ) {
|
---|
1257 | spectra.resize( spectraF_.shape() ) ;
|
---|
1258 | flagtra.resize( flagtraUC_.shape() ) ;
|
---|
1259 | rflag.resize( rflagUI_.shape() ) ;
|
---|
1260 | }
|
---|
1261 | double t0, t1 ;
|
---|
1262 | t0 = mathutil::gettimeofday_sec() ;
|
---|
1263 | convertArray( spectra, spectraF_ ) ;
|
---|
1264 | toInt( flagtraUC_, flagtra ) ;
|
---|
1265 | toInt( rflagUI_, rflag ) ;
|
---|
1266 | t1 = mathutil::gettimeofday_sec() ;
|
---|
1267 | eToInt = t1 - t0 ;
|
---|
1268 |
|
---|
1269 | return nrow ;
|
---|
1270 | }
|
---|
1271 | #endif
|
---|
1272 |
|
---|
1273 | Int STGrid::getDataChunk( Array<Float> &spectra,
|
---|
1274 | Array<Double> &direction,
|
---|
1275 | Array<uChar> &flagtra,
|
---|
1276 | Array<uInt> &rflag,
|
---|
1277 | Array<Float> &weight )
|
---|
1278 | {
|
---|
1279 | LogIO os( LogOrigin("STGrid","getDataChunk",WHERE) ) ;
|
---|
1280 | Int nrow = spectra.shape()[1] ;
|
---|
1281 | Int remainingRow = nrow_ - nprocessed_ ;
|
---|
1282 | if ( remainingRow < nrow ) {
|
---|
1283 | nrow = remainingRow ;
|
---|
1284 | IPosition mshape( 2, nchan_, nrow ) ;
|
---|
1285 | IPosition vshape( 1, nrow ) ;
|
---|
1286 | spectra.resize( mshape ) ;
|
---|
1287 | flagtra.resize( mshape ) ;
|
---|
1288 | direction.resize( IPosition(2,2,nrow) ) ;
|
---|
1289 | rflag.resize( vshape ) ;
|
---|
1290 | weight.resize( mshape ) ;
|
---|
1291 | }
|
---|
1292 | // 2011/12/22 TN
|
---|
1293 | // tsys shares its storage with weight
|
---|
1294 | Array<Float> tsys( weight ) ;
|
---|
1295 | Array<Double> tint( rflag.shape() ) ;
|
---|
1296 |
|
---|
1297 | Vector<uInt> rflagVec( rflag ) ;
|
---|
1298 | Vector<Double> tintVec( tint ) ;
|
---|
1299 |
|
---|
1300 | RefRows rows( nprocessed_, nprocessed_+nrow-1, 1 ) ;
|
---|
1301 | //os<<LogIO::DEBUGGING<<"nprocessed_="<<nprocessed_<<": rows.nrows()="<<rows.nrows()<<LogIO::POST ;
|
---|
1302 | spectraCol_.getColumnCells( rows, spectra ) ;
|
---|
1303 | flagtraCol_.getColumnCells( rows, flagtra ) ;
|
---|
1304 | directionCol_.getColumnCells( rows, direction ) ;
|
---|
1305 | flagRowCol_.getColumnCells( rows, rflagVec ) ;
|
---|
1306 | intervalCol_.getColumnCells( rows, tintVec ) ;
|
---|
1307 | Vector<Float> tsysTemp = tsysCol_( nprocessed_ ) ;
|
---|
1308 | if ( tsysTemp.nelements() == (uInt)nchan_ )
|
---|
1309 | tsysCol_.getColumnCells( rows, tsys ) ;
|
---|
1310 | else
|
---|
1311 | tsys = tsysTemp[0] ;
|
---|
1312 |
|
---|
1313 | double t0,t1 ;
|
---|
1314 | t0 = mathutil::gettimeofday_sec() ;
|
---|
1315 | getWeight( weight, tsys, tint ) ;
|
---|
1316 | t1 = mathutil::gettimeofday_sec() ;
|
---|
1317 | eGetWeight += t1-t0 ;
|
---|
1318 |
|
---|
1319 | nprocessed_ += nrow ;
|
---|
1320 |
|
---|
1321 | return nrow ;
|
---|
1322 | }
|
---|
1323 |
|
---|
1324 | void STGrid::setupArray()
|
---|
1325 | {
|
---|
1326 | LogIO os( LogOrigin("STGrid","setupArray",WHERE) ) ;
|
---|
1327 | ROScalarColumn<uInt> polnoCol( tableList_[0], "POLNO" ) ;
|
---|
1328 | Vector<uInt> pols = polnoCol.getColumn() ;
|
---|
1329 | //os << pols << LogIO::POST ;
|
---|
1330 | Vector<uInt> pollistOrg ;
|
---|
1331 | npolOrg_ = 0 ;
|
---|
1332 | uInt polno ;
|
---|
1333 | for ( uInt i = 0 ; i < polnoCol.nrow() ; i++ ) {
|
---|
1334 | //polno = polnoCol( i ) ;
|
---|
1335 | polno = pols( i ) ;
|
---|
1336 | if ( allNE( pollistOrg, polno ) ) {
|
---|
1337 | pollistOrg.resize( npolOrg_+1, True ) ;
|
---|
1338 | pollistOrg[npolOrg_] = polno ;
|
---|
1339 | npolOrg_++ ;
|
---|
1340 | }
|
---|
1341 | }
|
---|
1342 | if ( pollist_.size() == 0 )
|
---|
1343 | pollist_ = pollistOrg ;
|
---|
1344 | else {
|
---|
1345 | Vector<uInt> newlist ;
|
---|
1346 | uInt newsize = 0 ;
|
---|
1347 | for ( uInt i = 0 ; i < pollist_.size() ; i++ ) {
|
---|
1348 | if ( anyEQ( pollistOrg, pollist_[i] ) ) {
|
---|
1349 | newlist.resize( newsize+1, True ) ;
|
---|
1350 | newlist[newsize] = pollist_[i] ;
|
---|
1351 | newsize++ ;
|
---|
1352 | }
|
---|
1353 | }
|
---|
1354 | pollist_.assign( newlist ) ;
|
---|
1355 | }
|
---|
1356 | npol_ = pollist_.size() ;
|
---|
1357 | if ( npol_ == 0 ) {
|
---|
1358 | os << LogIO::SEVERE << "Empty pollist" << LogIO::EXCEPTION ;
|
---|
1359 | }
|
---|
1360 | rows_.resize( nfile_ ) ;
|
---|
1361 | for ( uInt i = 0 ; i < nfile_ ; i++ ) {
|
---|
1362 | rows_[i] = tableList_[i].nrow() / npolOrg_ ;
|
---|
1363 | //if ( nrow_ < rows_[i] )
|
---|
1364 | // nrow_ = rows_[i] ;
|
---|
1365 | }
|
---|
1366 | flagtraCol_.attach( tableList_[0], "FLAGTRA" ) ;
|
---|
1367 | nchan_ = flagtraCol_( 0 ).nelements() ;
|
---|
1368 | // os << "npol_ = " << npol_ << "(" << pollist_ << ")" << endl
|
---|
1369 | // << "nchan_ = " << nchan_ << endl
|
---|
1370 | // << "nrow_ = " << nrow_ << LogIO::POST ;
|
---|
1371 | }
|
---|
1372 |
|
---|
1373 | void STGrid::getWeight( Array<Float> &w,
|
---|
1374 | Array<Float> &tsys,
|
---|
1375 | Array<Double> &tint )
|
---|
1376 | {
|
---|
1377 | LogIO os( LogOrigin("STGrid","getWeight",WHERE) ) ;
|
---|
1378 |
|
---|
1379 | // 2011/12/22 TN
|
---|
1380 | // w (weight) and tsys share storage
|
---|
1381 | IPosition refShape = tsys.shape() ;
|
---|
1382 | Int nchan = refShape[0] ;
|
---|
1383 | Int nrow = refShape[1] ;
|
---|
1384 | // os << "nchan=" << nchan << ", nrow=" << nrow << LogIO::POST ;
|
---|
1385 | // os << "w.shape()=" << w.shape() << endl
|
---|
1386 | // << "tsys.shape()=" << tsys.shape() << endl
|
---|
1387 | // << "tint.shape()=" << tint.shape() << LogIO::POST ;
|
---|
1388 |
|
---|
1389 | // set weight
|
---|
1390 | if ( wtype_.compare( "UNIFORM" ) == 0 ) {
|
---|
1391 | w = 1.0 ;
|
---|
1392 | }
|
---|
1393 | else if ( wtype_.compare( "TINT" ) == 0 ) {
|
---|
1394 | Bool b0, b1 ;
|
---|
1395 | Float *w_p = w.getStorage( b0 ) ;
|
---|
1396 | Float *w0_p = w_p ;
|
---|
1397 | const Double *ti_p = tint.getStorage( b1 ) ;
|
---|
1398 | const Double *w1_p = ti_p ;
|
---|
1399 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
1400 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
1401 | *w0_p = *w1_p ;
|
---|
1402 | w0_p++ ;
|
---|
1403 | }
|
---|
1404 | w1_p++ ;
|
---|
1405 | }
|
---|
1406 | w.putStorage( w_p, b0 ) ;
|
---|
1407 | tint.freeStorage( ti_p, b1 ) ;
|
---|
1408 | }
|
---|
1409 | else if ( wtype_.compare( "TSYS" ) == 0 ) {
|
---|
1410 | Bool b0 ;
|
---|
1411 | Float *w_p = w.getStorage( b0 ) ;
|
---|
1412 | Float *w0_p = w_p ;
|
---|
1413 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
1414 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
1415 | Float temp = *w0_p ;
|
---|
1416 | *w0_p = 1.0 / ( temp * temp ) ;
|
---|
1417 | w0_p++ ;
|
---|
1418 | }
|
---|
1419 | }
|
---|
1420 | w.putStorage( w_p, b0 ) ;
|
---|
1421 | }
|
---|
1422 | else if ( wtype_.compare( "TINTSYS" ) == 0 ) {
|
---|
1423 | Bool b0, b1 ;
|
---|
1424 | Float *w_p = w.getStorage( b0 ) ;
|
---|
1425 | Float *w0_p = w_p ;
|
---|
1426 | const Double *ti_p = tint.getStorage( b1 ) ;
|
---|
1427 | const Double *w1_p = ti_p ;
|
---|
1428 | for ( Int irow = 0 ; irow < nrow ; irow++ ) {
|
---|
1429 | Float interval = *w1_p ;
|
---|
1430 | for ( Int ichan = 0 ; ichan < nchan ; ichan++ ) {
|
---|
1431 | Float temp = *w0_p ;
|
---|
1432 | *w0_p = interval / ( temp * temp ) ;
|
---|
1433 | w0_p++ ;
|
---|
1434 | }
|
---|
1435 | w1_p++ ;
|
---|
1436 | }
|
---|
1437 | w.putStorage( w_p, b0 ) ;
|
---|
1438 | tint.freeStorage( ti_p, b1 ) ;
|
---|
1439 | }
|
---|
1440 | else {
|
---|
1441 | //LogIO os( LogOrigin("STGrid", "getWeight", WHERE) ) ;
|
---|
1442 | //os << LogIO::WARN << "Unsupported weight type '" << wtype_ << "', apply UNIFORM weight" << LogIO::POST ;
|
---|
1443 | w = 1.0 ;
|
---|
1444 | }
|
---|
1445 | }
|
---|
1446 |
|
---|
1447 | void STGrid::toInt( Array<uChar> &u, Array<Int> &v )
|
---|
1448 | {
|
---|
1449 | uInt len = u.nelements() ;
|
---|
1450 | Int *int_p = new Int[len] ;
|
---|
1451 | Bool deleteIt ;
|
---|
1452 | const uChar *data_p = u.getStorage( deleteIt ) ;
|
---|
1453 | Int *i_p = int_p ;
|
---|
1454 | const uChar *u_p = data_p ;
|
---|
1455 | for ( uInt i = 0 ; i < len ; i++ ) {
|
---|
1456 | *i_p = ( *u_p == 0 ) ? 0 : 1 ;
|
---|
1457 | i_p++ ;
|
---|
1458 | u_p++ ;
|
---|
1459 | }
|
---|
1460 | u.freeStorage( data_p, deleteIt ) ;
|
---|
1461 | v.takeStorage( u.shape(), int_p, TAKE_OVER ) ;
|
---|
1462 | }
|
---|
1463 |
|
---|
1464 | void STGrid::toInt( Array<uInt> &u, Array<Int> &v )
|
---|
1465 | {
|
---|
1466 | uInt len = u.nelements() ;
|
---|
1467 | Int *int_p = new Int[len] ;
|
---|
1468 | Bool deleteIt ;
|
---|
1469 | const uInt *data_p = u.getStorage( deleteIt ) ;
|
---|
1470 | Int *i_p = int_p ;
|
---|
1471 | const uInt *u_p = data_p ;
|
---|
1472 | for ( uInt i = 0 ; i < len ; i++ ) {
|
---|
1473 | *i_p = ( *u_p == 0 ) ? 0 : 1 ;
|
---|
1474 | i_p++ ;
|
---|
1475 | u_p++ ;
|
---|
1476 | }
|
---|
1477 | u.freeStorage( data_p, deleteIt ) ;
|
---|
1478 | v.takeStorage( u.shape(), int_p, TAKE_OVER ) ;
|
---|
1479 | }
|
---|
1480 |
|
---|
1481 | void STGrid::toPixel( Array<Double> &world, Array<Double> &pixel )
|
---|
1482 | {
|
---|
1483 | // gridding will be done on (nx_+2*convSupport_) x (ny_+2*convSupport_)
|
---|
1484 | // grid plane to avoid unexpected behavior on grid edge
|
---|
1485 | Block<Double> pixc( 2 ) ;
|
---|
1486 | pixc[0] = Double( nx_-1 ) * 0.5 ;
|
---|
1487 | pixc[1] = Double( ny_-1 ) * 0.5 ;
|
---|
1488 | // pixc[0] = Double( nx_+2*convSupport_-1 ) * 0.5 ;
|
---|
1489 | // pixc[1] = Double( ny_+2*convSupport_-1 ) * 0.5 ;
|
---|
1490 | uInt nrow = world.shape()[1] ;
|
---|
1491 | Bool bw, bp ;
|
---|
1492 | const Double *w_p = world.getStorage( bw ) ;
|
---|
1493 | Double *p_p = pixel.getStorage( bp ) ;
|
---|
1494 | const Double *ww_p = w_p ;
|
---|
1495 | Double *wp_p = p_p ;
|
---|
1496 | for ( uInt i = 0 ; i < nrow ; i++ ) {
|
---|
1497 | *wp_p = pixc[0] + ( *ww_p - center_[0] ) / cellx_ ;
|
---|
1498 | wp_p++ ;
|
---|
1499 | ww_p++ ;
|
---|
1500 | *wp_p = pixc[1] + ( *ww_p - center_[1] ) / celly_ ;
|
---|
1501 | wp_p++ ;
|
---|
1502 | ww_p++ ;
|
---|
1503 | }
|
---|
1504 | world.freeStorage( w_p, bw ) ;
|
---|
1505 | pixel.putStorage( p_p, bp ) ;
|
---|
1506 | }
|
---|
1507 |
|
---|
1508 | void STGrid::boxFunc( Vector<Float> &convFunc, Int &convSize )
|
---|
1509 | {
|
---|
1510 | convFunc = 0.0 ;
|
---|
1511 | for ( Int i = 0 ; i < convSize/2 ; i++ )
|
---|
1512 | convFunc(i) = 1.0 ;
|
---|
1513 | }
|
---|
1514 |
|
---|
1515 | #define NEED_UNDERSCORES
|
---|
1516 | #if defined(NEED_UNDERSCORES)
|
---|
1517 | #define grdsf grdsf_
|
---|
1518 | #endif
|
---|
1519 | extern "C" {
|
---|
1520 | void grdsf(Double*, Double*);
|
---|
1521 | }
|
---|
1522 | void STGrid::spheroidalFunc( Vector<Float> &convFunc )
|
---|
1523 | {
|
---|
1524 | convFunc = 0.0 ;
|
---|
1525 | for ( Int i = 0 ; i < convSampling_*convSupport_ ; i++ ) {
|
---|
1526 | Double nu = Double(i) / Double(convSupport_*convSampling_) ;
|
---|
1527 | Double val ;
|
---|
1528 | grdsf( &nu, &val ) ;
|
---|
1529 | convFunc(i) = ( 1.0 - nu * nu ) * val ;
|
---|
1530 | }
|
---|
1531 | }
|
---|
1532 |
|
---|
1533 | void STGrid::gaussFunc( Vector<Float> &convFunc )
|
---|
1534 | {
|
---|
1535 | convFunc = 0.0 ;
|
---|
1536 | // HWHM of the Gaussian is convSupport_ / 4
|
---|
1537 | // To take into account Gaussian tail, kernel cutoff is set to 4 * HWHM
|
---|
1538 | Int len = convSampling_ * convSupport_ ;
|
---|
1539 | Double hwhm = len * 0.25 ;
|
---|
1540 | for ( Int i = 0 ; i < len ; i++ ) {
|
---|
1541 | Double val = Double(i) / hwhm ;
|
---|
1542 | convFunc(i) = exp( -log(2)*val*val ) ;
|
---|
1543 | }
|
---|
1544 | }
|
---|
1545 |
|
---|
1546 | void STGrid::pbFunc( Vector<Float> &convFunc )
|
---|
1547 | {
|
---|
1548 | convFunc = 0.0 ;
|
---|
1549 | }
|
---|
1550 |
|
---|
1551 | void STGrid::setConvFunc( Vector<Float> &convFunc )
|
---|
1552 | {
|
---|
1553 | convSupport_ = userSupport_ ;
|
---|
1554 | if ( convType_ == "BOX" ) {
|
---|
1555 | if ( convSupport_ < 0 )
|
---|
1556 | convSupport_ = 0 ;
|
---|
1557 | Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
|
---|
1558 | convFunc.resize( convSize ) ;
|
---|
1559 | boxFunc( convFunc, convSize ) ;
|
---|
1560 | }
|
---|
1561 | else if ( convType_ == "SF" ) {
|
---|
1562 | if ( convSupport_ < 0 )
|
---|
1563 | convSupport_ = 3 ;
|
---|
1564 | Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
|
---|
1565 | convFunc.resize( convSize ) ;
|
---|
1566 | spheroidalFunc( convFunc ) ;
|
---|
1567 | }
|
---|
1568 | else if ( convType_ == "GAUSS" ) {
|
---|
1569 | // to take into account Gaussian tail
|
---|
1570 | if ( convSupport_ < 0 )
|
---|
1571 | convSupport_ = 12 ; // 3 * 4
|
---|
1572 | else {
|
---|
1573 | convSupport_ = userSupport_ * 4 ;
|
---|
1574 | }
|
---|
1575 | Int convSize = convSampling_ * ( 2 * convSupport_ + 2 ) ;
|
---|
1576 | convFunc.resize( convSize ) ;
|
---|
1577 | gaussFunc( convFunc ) ;
|
---|
1578 | }
|
---|
1579 | else if ( convType_ == "PB" ) {
|
---|
1580 | if ( convSupport_ < 0 )
|
---|
1581 | convSupport_ = 0 ;
|
---|
1582 | pbFunc( convFunc ) ;
|
---|
1583 | }
|
---|
1584 | else {
|
---|
1585 | throw AipsError( "Unsupported convolution function" ) ;
|
---|
1586 | }
|
---|
1587 | }
|
---|
1588 |
|
---|
1589 | string STGrid::saveData( string outfile )
|
---|
1590 | {
|
---|
1591 | LogIO os( LogOrigin("STGrid", "saveData", WHERE) ) ;
|
---|
1592 | double t0, t1 ;
|
---|
1593 | t0 = mathutil::gettimeofday_sec() ;
|
---|
1594 |
|
---|
1595 | //Int polno = 0 ;
|
---|
1596 | String outfile_ ;
|
---|
1597 | if ( outfile.size() == 0 ) {
|
---|
1598 | if ( infileList_[0].lastchar() == '/' ) {
|
---|
1599 | outfile_ = infileList_[0].substr( 0, infileList_[0].size()-1 ) ;
|
---|
1600 | }
|
---|
1601 | else {
|
---|
1602 | outfile_ = infileList_[0] ;
|
---|
1603 | }
|
---|
1604 | outfile_ += ".grid" ;
|
---|
1605 | }
|
---|
1606 | else {
|
---|
1607 | outfile_ = outfile ;
|
---|
1608 | }
|
---|
1609 | Table tab ;
|
---|
1610 | prepareTable( tab, outfile_ ) ;
|
---|
1611 | IPosition dshape = data_.shape() ;
|
---|
1612 | Int nrow = nx_ * ny_ * npol_ ;
|
---|
1613 | tab.rwKeywordSet().define( "nPol", npol_ ) ;
|
---|
1614 | tab.addRow( nrow ) ;
|
---|
1615 | Vector<Double> cpix( 2 ) ;
|
---|
1616 | cpix(0) = Double( nx_ - 1 ) * 0.5 ;
|
---|
1617 | cpix(1) = Double( ny_ - 1 ) * 0.5 ;
|
---|
1618 | Vector<Double> dir( 2 ) ;
|
---|
1619 | ArrayColumn<Double> directionCol( tab, "DIRECTION" ) ;
|
---|
1620 | ArrayColumn<Float> spectraCol( tab, "SPECTRA" ) ;
|
---|
1621 | ScalarColumn<uInt> polnoCol( tab, "POLNO" ) ;
|
---|
1622 | Int irow = 0 ;
|
---|
1623 | Vector<Float> sp( nchan_ ) ;
|
---|
1624 | Bool bsp, bdata ;
|
---|
1625 | const Float *data_p = data_.getStorage( bdata ) ;
|
---|
1626 | Float *wsp_p, *sp_p ;
|
---|
1627 | const Float *wdata_p = data_p ;
|
---|
1628 | long step = nx_ * ny_ * npol_ ;
|
---|
1629 | long offset ;
|
---|
1630 | for ( Int iy = 0 ; iy < ny_ ; iy++ ) {
|
---|
1631 | dir(1) = center_(1) - ( cpix(1) - (Double)iy ) * celly_ ;
|
---|
1632 | for ( Int ix = 0 ; ix < nx_ ; ix++ ) {
|
---|
1633 | dir(0) = center_(0) - ( cpix(0) - (Double)ix ) * cellx_ ;
|
---|
1634 | for ( Int ipol = 0 ; ipol < npol_ ; ipol++ ) {
|
---|
1635 | offset = ix + iy * nx_ + ipol * nx_ * ny_ ;
|
---|
1636 | //os << "offset = " << offset << LogIO::POST ;
|
---|
1637 | sp_p = sp.getStorage( bsp ) ;
|
---|
1638 | wsp_p = sp_p ;
|
---|
1639 | wdata_p = data_p + offset ;
|
---|
1640 | for ( Int ichan = 0 ; ichan < nchan_ ; ichan++ ) {
|
---|
1641 | *wsp_p = *wdata_p ;
|
---|
1642 | wsp_p++ ;
|
---|
1643 | wdata_p += step ;
|
---|
1644 | }
|
---|
1645 | sp.putStorage( sp_p, bsp ) ;
|
---|
1646 | spectraCol.put( irow, sp ) ;
|
---|
1647 | directionCol.put( irow, dir ) ;
|
---|
1648 | polnoCol.put( irow, pollist_[ipol] ) ;
|
---|
1649 | irow++ ;
|
---|
1650 | }
|
---|
1651 | }
|
---|
1652 | }
|
---|
1653 | data_.freeStorage( data_p, bdata ) ;
|
---|
1654 |
|
---|
1655 | t1 = mathutil::gettimeofday_sec() ;
|
---|
1656 | os << "saveData: elapsed time is " << t1-t0 << " sec." << LogIO::POST ;
|
---|
1657 |
|
---|
1658 | return outfile_ ;
|
---|
1659 | }
|
---|
1660 |
|
---|
1661 | void STGrid::prepareTable( Table &tab, String &name )
|
---|
1662 | {
|
---|
1663 | Table t( infileList_[0], Table::Old ) ;
|
---|
1664 | t.deepCopy( name, Table::New, False, t.endianFormat(), True ) ;
|
---|
1665 | tab = Table( name, Table::Update ) ;
|
---|
1666 | // 2012/02/13 TN
|
---|
1667 | // explicitly copy subtables since no rows including subtables are
|
---|
1668 | // copied by Table::deepCopy with noRows=True
|
---|
1669 | TableCopy::copySubTables( tab, t ) ;
|
---|
1670 | }
|
---|
1671 |
|
---|
1672 | }
|
---|