1 | // |
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2 | // C++ Implementation: EdgeMarker |
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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) 2012 |
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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 <vector> |
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13 | |
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14 | #include <casa/BasicSL/String.h> |
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15 | #include <casa/Containers/Record.h> |
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16 | #include <casa/Utilities/GenSort.h> |
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17 | #include <casa/Arrays/ArrayIO.h> |
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18 | |
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19 | #include <atnf/PKSIO/SrcType.h> |
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20 | |
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21 | #include "EdgeMarker.h" |
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22 | #include "RasterEdgeDetector.h" |
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23 | #include "GenericEdgeDetector.h" |
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24 | #include "STIdxIter.h" |
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25 | |
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26 | using namespace std ; |
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27 | using namespace casa ; |
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28 | |
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29 | namespace asap { |
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30 | EdgeMarker::EdgeMarker() |
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31 | { |
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32 | EdgeMarker( false ) ; |
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33 | } |
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34 | |
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35 | EdgeMarker::EdgeMarker( bool israster ) |
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36 | { |
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37 | os_.origin(LogOrigin( "EdgeMarker", "EdgeMarker", WHERE )) ; |
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38 | |
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39 | if ( israster ) { |
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40 | os_ << "edge detection by RasterEdgeDetector" << LogIO::POST ; |
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41 | detector_ = new RasterEdgeDetector() ; |
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42 | } |
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43 | else { |
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44 | os_ << "edge detection by GenericEdgeDetector" << LogIO::POST ; |
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45 | detector_ = new GenericEdgeDetector() ; |
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46 | } |
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47 | } |
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48 | |
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49 | EdgeMarker::~EdgeMarker() |
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50 | {} |
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51 | |
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52 | void EdgeMarker::setdata( const CountedPtr<Scantable> &s, |
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53 | const Bool &insitu ) |
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54 | { |
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55 | if ( insitu ) { |
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56 | st_ = s ; |
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57 | } |
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58 | else { |
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59 | st_ = new Scantable( *s, false ) ; |
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60 | } |
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61 | } |
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62 | |
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63 | void EdgeMarker::initDetect() |
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64 | { |
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65 | off_.resize( st_->nrow() ) ; |
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66 | noff_ = 0 ; |
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67 | } |
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68 | |
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69 | void EdgeMarker::examine() |
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70 | { |
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71 | os_.origin(LogOrigin( "EdgeMarker", "examine", WHERE )) ; |
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72 | |
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73 | // exclude WVR |
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74 | Block<uInt> wvr( st_->getIFNos().size() ) ; |
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75 | uInt n = 0 ; |
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76 | { |
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77 | ROArrayColumn<uChar> flagCol( st_->table(), "FLAGTRA" ) ; |
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78 | vector<string> cols( 1, "IFNO" ) ; |
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79 | STIdxIterAcc iter( st_, cols ) ; |
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80 | while( !iter.pastEnd() ) { |
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81 | uInt current = iter.current()[0] ; |
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82 | uInt firstRow = iter.getRows()[0] ; |
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83 | uInt nchan = flagCol( firstRow ).nelements() ; |
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84 | if ( nchan == 4 ) |
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85 | wvr[n++] = current ; |
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86 | iter.next() ; |
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87 | } |
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88 | } |
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89 | wvr_.takeStorage( IPosition(1,n), wvr.storage(), COPY ) ; |
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90 | |
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91 | if ( wvr_.nelements() > 0 ) { |
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92 | os_ << LogIO::DEBUGGING |
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93 | << "IFNO for WVR scan: " << wvr_ << LogIO::POST ; |
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94 | } |
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95 | } |
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96 | |
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97 | void EdgeMarker::setoption( const Record &option ) |
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98 | { |
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99 | detector_->setOption( option ) ; |
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100 | } |
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101 | |
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102 | void EdgeMarker::detect() |
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103 | { |
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104 | os_.origin(LogOrigin( "EdgeMarker", "detect", WHERE )) ; |
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105 | |
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106 | initDetect() ; |
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107 | vector<string> cols( 4 ) ; |
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108 | cols[0] = "BEAMNO" ; |
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109 | cols[1] = "POLNO" ; |
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110 | cols[2] = "IFNO" ; |
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111 | cols[3] = "SRCTYPE" ; |
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112 | STIdxIterExAcc iter( st_, cols ) ; |
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113 | ROScalarColumn<Double> timeCol( st_->table(), "TIME" ) ; |
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114 | ROArrayColumn<Double> directionCol( st_->table(), "DIRECTION" ) ; |
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115 | while( !iter.pastEnd() ) { |
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116 | Vector<uInt> current = iter.current() ; |
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117 | Int srcType = iter.getSrcType() ; |
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118 | os_ << LogIO::DEBUGGING |
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119 | << "BEAMNO=" << current[0] |
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120 | << " POLNO=" << current[1] |
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121 | << " IFNO=" << current[2] |
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122 | << " SRCTYPE=" << srcType << LogIO::POST ; |
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123 | // only process ON position and no WVR |
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124 | Vector<uInt> rows = iter.getRows( SHARE ) ; |
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125 | uInt nrow = rows.nelements() ; |
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126 | if ( srcType == Int(SrcType::PSON) && allNE( wvr_, current[2] ) && nrow > 0 ) { |
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127 | Vector<Double> t( nrow ) ; |
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128 | Matrix<Double> d( 2, nrow ) ; |
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129 | for ( uInt irow = 0 ; irow < nrow ; irow++ ) { |
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130 | t[irow] = timeCol( rows[irow] ) ; |
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131 | Vector<Double> v( d.column( irow ) ) ; |
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132 | directionCol.get( rows[irow], v ) ; |
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133 | } |
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134 | detector_->setTime( t ) ; |
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135 | detector_->setDirection( d ) ; |
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136 | Vector<uInt> offids = detector_->detect() ; |
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137 | uInt len = offids.nelements() ; |
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138 | for ( uInt i = 0 ; i < len ; i++ ) { |
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139 | off_[noff_++] = rows[offids[i]] ; |
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140 | } |
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141 | } |
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142 | iter.next() ; |
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143 | } |
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144 | |
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145 | os_ << "detected " << noff_ << " integrations near edge" << LogIO::POST ; |
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146 | } |
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147 | |
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148 | void EdgeMarker::mark() |
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149 | { |
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150 | os_.origin(LogOrigin( "EdgeMarker", "mark", WHERE )) ; |
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151 | |
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152 | os_ << "marked " << noff_ << " points as OFF" << LogIO::POST ; |
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153 | ScalarColumn<Int> srcTypeCol( st_->table(), "SRCTYPE" ) ; |
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154 | Int psoff = Int(SrcType::PSOFF) ; |
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155 | Vector<Int> srcType = srcTypeCol.getColumn() ; |
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156 | for ( uInt i = 0 ; i < noff_ ; i++ ) { |
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157 | srcType[off_[i]] = psoff ; |
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158 | } |
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159 | srcTypeCol.putColumn( srcType ) ; |
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160 | } |
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161 | |
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162 | CountedPtr<Scantable> EdgeMarker::get() |
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163 | { |
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164 | return st_ ; |
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165 | } |
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166 | |
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167 | } // namespace asap |
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