1 | #include <iostream> |
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2 | #include <vector> |
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3 | |
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4 | #include <casa/Arrays/Vector.h> |
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5 | #include <casa/BasicSL/String.h> |
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6 | #include <casa/Utilities/CountedPtr.h> |
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7 | |
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8 | #include "Scantable.h" |
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9 | #include "STTcal.h" |
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10 | #include "STIdxIter.h" |
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11 | #include "STSelector.h" |
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12 | |
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13 | using namespace casa; |
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14 | using namespace asap; |
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15 | |
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16 | namespace { |
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17 | // Interpolation Helper |
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18 | class TcalData |
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19 | { |
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20 | public: |
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21 | TcalData(CountedPtr<Scantable> s) |
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22 | : table_(s) |
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23 | {} |
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24 | ~TcalData() {} |
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25 | const String method_name() const {return "getTcalFromTime";} |
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26 | uInt nrow() const {return table_->nrow();} |
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27 | Vector<Float> GetEntry(int idx) const |
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28 | { |
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29 | String time; |
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30 | uInt tcalid = table_->getTcalId(idx); |
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31 | Vector<Float> return_value; |
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32 | table_->tcal().getEntry(time, return_value, tcalid); |
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33 | return return_value; |
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34 | } |
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35 | private: |
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36 | CountedPtr<Scantable> table_; |
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37 | }; |
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38 | |
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39 | class TsysData |
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40 | { |
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41 | public: |
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42 | TsysData(CountedPtr<Scantable> s) |
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43 | : tsyscolumn_(s->table(), "TSYS") |
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44 | {} |
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45 | ~TsysData() {} |
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46 | const String method_name() const {return "getTsysFromTime";} |
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47 | uInt nrow() const {return tsyscolumn_.nrow();} |
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48 | Vector<Float> GetEntry(int idx) const {return tsyscolumn_(idx);} |
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49 | private: |
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50 | ROArrayColumn<Float> tsyscolumn_; |
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51 | }; |
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52 | |
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53 | class SpectralData |
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54 | { |
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55 | public: |
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56 | SpectralData(Matrix<Float> s) |
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57 | : data_(s) |
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58 | {} |
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59 | ~SpectralData() {} |
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60 | const String method_name() const {return "getSpectraFromTime";} |
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61 | uInt nrow() const {return data_.ncolumn();} |
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62 | Vector<Float> GetEntry(int idx) const {return data_.column(idx);} |
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63 | private: |
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64 | Matrix<Float> data_; |
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65 | }; |
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66 | |
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67 | |
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68 | vector<int> getRowIdFromTime(double reftime, const Vector<Double> &t) |
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69 | { |
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70 | // double reft = reftime ; |
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71 | double dtmin = 1.0e100 ; |
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72 | double dtmax = -1.0e100 ; |
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73 | // vector<double> dt ; |
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74 | int just_before = -1 ; |
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75 | int just_after = -1 ; |
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76 | Vector<Double> dt = t - reftime ; |
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77 | for ( unsigned int i = 0 ; i < dt.size() ; i++ ) { |
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78 | if ( dt[i] > 0.0 ) { |
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79 | // after reftime |
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80 | if ( dt[i] < dtmin ) { |
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81 | just_after = i ; |
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82 | dtmin = dt[i] ; |
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83 | } |
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84 | } |
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85 | else if ( dt[i] < 0.0 ) { |
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86 | // before reftime |
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87 | if ( dt[i] > dtmax ) { |
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88 | just_before = i ; |
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89 | dtmax = dt[i] ; |
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90 | } |
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91 | } |
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92 | else { |
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93 | // just a reftime |
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94 | just_before = i ; |
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95 | just_after = i ; |
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96 | dtmax = 0 ; |
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97 | dtmin = 0 ; |
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98 | break ; |
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99 | } |
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100 | } |
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101 | |
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102 | vector<int> v(2) ; |
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103 | v[0] = just_before ; |
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104 | v[1] = just_after ; |
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105 | |
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106 | return v ; |
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107 | } |
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108 | |
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109 | vector<int> getRowIdFromTime2(double reftime, |
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110 | const Vector<Double> &t, |
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111 | const Vector<uInt> &flagrow, |
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112 | const Matrix<uChar> &flagtra) |
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113 | { |
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114 | unsigned int nchan = flagtra[0].nelements(); |
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115 | vector<int> v(2*nchan); |
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116 | |
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117 | for (unsigned int j = 0; j < nchan; ++j) { |
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118 | // double reft = reftime ; |
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119 | double dtmin = 1.0e100 ; |
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120 | double dtmax = -1.0e100 ; |
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121 | // vector<double> dt ; |
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122 | int just_before = -1 ; |
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123 | int just_after = -1 ; |
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124 | Vector<Double> dt = t - reftime ; |
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125 | for ( unsigned int i = 0 ; i < dt.size() ; i++ ) { |
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126 | if ( flagrow[i] > 0 ) continue; |
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127 | if ( flagtra.column(i)[j] == 1 << 7) continue; |
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128 | |
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129 | if ( dt[i] > 0.0 ) { |
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130 | // after reftime |
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131 | if ( dt[i] < dtmin ) { |
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132 | just_after = i ; |
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133 | dtmin = dt[i] ; |
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134 | } |
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135 | } |
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136 | else if ( dt[i] < 0.0 ) { |
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137 | // before reftime |
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138 | if ( dt[i] > dtmax ) { |
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139 | just_before = i ; |
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140 | dtmax = dt[i] ; |
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141 | } |
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142 | } |
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143 | else { |
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144 | // just a reftime |
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145 | just_before = i ; |
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146 | just_after = i ; |
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147 | dtmax = 0 ; |
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148 | dtmin = 0 ; |
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149 | break ; |
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150 | } |
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151 | } |
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152 | |
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153 | v[j*2] = just_before ; |
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154 | v[j*2+1] = just_after ; |
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155 | } |
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156 | |
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157 | return v ; |
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158 | } |
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159 | |
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160 | template<class T> |
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161 | class SimpleInterpolationHelper |
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162 | { |
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163 | public: |
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164 | static Vector<Float> GetFromTime(double reftime, |
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165 | const Vector<Double> &timeVec, |
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166 | const vector<int> &idx, |
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167 | const T &data, |
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168 | const string mode) |
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169 | { |
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170 | Vector<Float> return_value(idx.size()/2); |
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171 | LogIO os_; |
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172 | LogIO os( LogOrigin( "STMath", data.method_name(), WHERE ) ) ; |
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173 | if ( data.nrow() == 0 ) { |
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174 | os << LogIO::SEVERE << "No row in the input scantable. Return empty tcal." << LogIO::POST ; |
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175 | } |
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176 | else if ( data.nrow() == 1 ) { |
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177 | return_value = data.GetEntry(0); |
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178 | } |
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179 | else { |
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180 | for (unsigned int i = 0; i < idx.size()/2; ++i) { |
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181 | unsigned int idx0 = 2*i; |
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182 | unsigned int idx1 = 2*i + 1; |
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183 | //no off data available. calibration impossible. |
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184 | if ( ( idx[idx0] == -1 ) && ( idx[idx1] == -1 ) ) continue; |
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185 | |
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186 | if ( mode == "before" ) { |
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187 | int id = -1 ; |
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188 | if ( idx[idx0] != -1 ) { |
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189 | id = idx[idx0] ; |
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190 | } |
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191 | else if ( idx[idx1] != -1 ) { |
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192 | os << LogIO::WARN << "Failed to find a scan before reftime. return a spectrum just after the reftime." << LogIO::POST ; |
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193 | id = idx[idx1] ; |
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194 | } |
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195 | |
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196 | return_value[i] = data.GetEntry(id)[i]; |
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197 | } |
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198 | else if ( mode == "after" ) { |
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199 | int id = -1 ; |
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200 | if ( idx[idx1] != -1 ) { |
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201 | id = idx[idx1] ; |
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202 | } |
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203 | else if ( idx[idx0] != -1 ) { |
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204 | os << LogIO::WARN << "Failed to find a scan after reftime. return a spectrum just before the reftime." << LogIO::POST ; |
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205 | id = idx[idx1] ; |
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206 | } |
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207 | |
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208 | return_value[i] = data.GetEntry(id)[i]; |
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209 | } |
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210 | else if ( mode == "nearest" ) { |
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211 | int id = -1 ; |
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212 | if ( idx[idx0] == -1 ) { |
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213 | id = idx[idx1] ; |
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214 | } |
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215 | else if ( idx[idx1] == -1 ) { |
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216 | id = idx[idx0] ; |
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217 | } |
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218 | else if ( idx[idx0] == idx[idx1] ) { |
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219 | id = idx[idx0] ; |
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220 | } |
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221 | else { |
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222 | double t0 = timeVec[idx[idx0]] ; |
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223 | double t1 = timeVec[idx[idx1]] ; |
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224 | if ( abs( t0 - reftime ) > abs( t1 - reftime ) ) { |
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225 | id = idx[idx1] ; |
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226 | } |
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227 | else { |
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228 | id = idx[idx0] ; |
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229 | } |
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230 | } |
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231 | return_value[i] = data.GetEntry(id)[i]; |
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232 | } |
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233 | else if ( mode == "linear" ) { |
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234 | if ( idx[idx0] == -1 ) { |
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235 | // use after |
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236 | os << LogIO::WARN << "Failed to interpolate. return a spectrum just after the reftime." << LogIO::POST ; |
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237 | int id = idx[idx1] ; |
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238 | return_value[i] = data.GetEntry(id)[i]; |
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239 | } |
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240 | else if ( idx[idx1] == -1 ) { |
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241 | // use before |
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242 | os << LogIO::WARN << "Failed to interpolate. return a spectrum just before the reftime." << LogIO::POST ; |
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243 | int id = idx[idx0] ; |
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244 | return_value[i] = data.GetEntry(id)[i]; |
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245 | } |
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246 | else if ( idx[idx0] == idx[idx1] ) { |
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247 | // use before |
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248 | //os << "No need to interporate." << LogIO::POST ; |
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249 | int id = idx[idx0] ; |
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250 | return_value[i] = data.GetEntry(id)[i]; |
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251 | } |
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252 | else { |
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253 | // do interpolation |
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254 | double t0 = timeVec[idx[idx0]] ; |
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255 | double t1 = timeVec[idx[idx1]] ; |
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256 | Vector<Float> value0 = data.GetEntry(idx[idx0]); |
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257 | Vector<Float> value1 = data.GetEntry(idx[idx1]); |
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258 | double tfactor = (reftime - t0) / (t1 - t0) ; |
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259 | return_value[i] = ( value1[i] - value0[i] ) * tfactor + value0[i] ; |
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260 | } |
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261 | } |
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262 | else { |
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263 | os << LogIO::SEVERE << "Unknown mode" << LogIO::POST ; |
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264 | } |
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265 | } |
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266 | } |
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267 | return return_value ; |
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268 | } |
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269 | }; |
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270 | |
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271 | // Calibration Helper |
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272 | class CalibrationHelper |
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273 | { |
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274 | public: |
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275 | static void CalibrateALMA( CountedPtr<Scantable>& out, |
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276 | const CountedPtr<Scantable>& on, |
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277 | const CountedPtr<Scantable>& off, |
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278 | const Vector<uInt>& rows ) |
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279 | { |
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280 | // 2012/05/22 TN |
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281 | // Assume that out has empty SPECTRA column |
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282 | |
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283 | // if rows is empty, just return |
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284 | if ( rows.nelements() == 0 ) |
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285 | return ; |
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286 | |
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287 | ROArrayColumn<Float> in_spectra_column(on->table(), "SPECTRA"); |
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288 | ROArrayColumn<Float> in_tsys_column(on->table(), "TSYS"); |
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289 | ROArrayColumn<uChar> in_flagtra_column(on->table(), "FLAGTRA"); |
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290 | ArrayColumn<Float> out_spectra_column(out->table(), "SPECTRA"); |
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291 | ArrayColumn<uChar> out_flagtra_column(out->table(), "FLAGTRA"); |
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292 | |
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293 | Vector<Double> timeVec = GetScalarColumn<Double>(off->table(), "TIME"); |
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294 | Vector<Double> refTimeVec = GetScalarColumn<Double>(on->table(), "TIME"); |
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295 | Vector<uInt> flagrowVec = GetScalarColumn<uInt>(off->table(), "FLAGROW"); |
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296 | Vector<uInt> refFlagrowVec = GetScalarColumn<uInt>(on->table(), "FLAGROW"); |
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297 | Matrix<uChar> flagtraMtx = GetArrayColumn<uChar>(off->table(), "FLAGTRA"); |
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298 | SpectralData offspectra(Matrix<Float>(GetArrayColumn<Float>(off->table(), "SPECTRA"))); |
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299 | unsigned int spsize = on->nchan( on->getIF(rows[0]) ) ; |
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300 | vector<int> ids( 2 * spsize ) ; |
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301 | |
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302 | for ( unsigned int irow = 0 ; irow < rows.nelements() ; irow++ ) { |
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303 | uInt row = rows[irow]; |
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304 | double reftime = refTimeVec[row]; |
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305 | ids = getRowIdFromTime2( reftime, timeVec, flagrowVec, flagtraMtx ) ; |
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306 | Vector<Float> spoff = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeVec, ids, offspectra, "linear"); |
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307 | Vector<Float> spec = in_spectra_column(row); |
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308 | Vector<Float> tsys = in_tsys_column(row); |
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309 | Vector<uChar> flag = in_flagtra_column(row); |
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310 | |
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311 | // ALMA Calibration |
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312 | // |
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313 | // Ta* = Tsys * ( ON - OFF ) / OFF |
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314 | // |
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315 | // 2010/01/07 Takeshi Nakazato |
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316 | unsigned int tsyssize = tsys.nelements() ; |
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317 | for ( unsigned int j = 0 ; j < spsize ; j++ ) { |
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318 | //if there is no off data available for a channel, just flag the channel.(2014/7/18 WK) |
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319 | if ((ids[2*j] == -1)&&(ids[2*j+1] == -1)) { |
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320 | flag[j] = 1 << 7; |
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321 | continue; |
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322 | } |
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323 | |
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324 | if (refFlagrowVec[row] == 0) { |
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325 | if ( spoff[j] == 0.0 ) { |
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326 | spec[j] = 0.0 ; |
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327 | flag[j] = (uChar)True; |
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328 | } |
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329 | else { |
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330 | spec[j] = ( spec[j] - spoff[j] ) / spoff[j] ; |
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331 | } |
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332 | spec[j] *= (tsyssize == spsize) ? tsys[j] : tsys[0]; |
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333 | } |
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334 | } |
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335 | out_spectra_column.put(row, spec); |
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336 | out_flagtra_column.put(row, flag); |
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337 | } |
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338 | } |
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339 | static void CalibrateChopperWheel( CountedPtr<Scantable> &out, |
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340 | const CountedPtr<Scantable>& on, |
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341 | const CountedPtr<Scantable>& off, |
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342 | const CountedPtr<Scantable>& sky, |
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343 | const CountedPtr<Scantable>& hot, |
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344 | const CountedPtr<Scantable>& cold, |
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345 | const Vector<uInt> &rows ) |
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346 | { |
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347 | // 2012/05/22 TN |
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348 | // Assume that out has empty SPECTRA column |
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349 | |
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350 | // if rows is empty, just return |
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351 | if ( rows.nelements() == 0 ) |
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352 | return ; |
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353 | |
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354 | string antenna_name = out->getAntennaName(); |
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355 | ROArrayColumn<Float> in_spectra_column(on->table(), "SPECTRA"); |
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356 | ROArrayColumn<uChar> in_flagtra_column(on->table(), "FLAGTRA"); |
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357 | ArrayColumn<Float> out_spectra_column(out->table(), "SPECTRA"); |
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358 | ArrayColumn<uChar> out_flagtra_column(out->table(), "FLAGTRA"); |
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359 | ArrayColumn<Float> out_tsys_column(out->table(), "TSYS"); |
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360 | |
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361 | Vector<Double> timeOff = GetScalarColumn<Double>(off->table(), "TIME"); |
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362 | Vector<Double> timeSky = GetScalarColumn<Double>(sky->table(), "TIME"); |
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363 | Vector<Double> timeHot = GetScalarColumn<Double>(hot->table(), "TIME"); |
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364 | Vector<Double> timeOn = GetScalarColumn<Double>(on->table(), "TIME"); |
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365 | Vector<uInt> flagrowOff = GetScalarColumn<uInt>(off->table(), "FLAGROW"); |
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366 | Vector<uInt> flagrowSky = GetScalarColumn<uInt>(sky->table(), "FLAGROW"); |
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367 | Vector<uInt> flagrowHot = GetScalarColumn<uInt>(hot->table(), "FLAGROW"); |
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368 | Vector<uInt> flagrowOn = GetScalarColumn<uInt>(on->table(), "FLAGROW"); |
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369 | Matrix<uChar> flagtraOff = GetArrayColumn<uChar>(off->table(), "FLAGTRA"); |
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370 | Matrix<uChar> flagtraSky = GetArrayColumn<uChar>(sky->table(), "FLAGTRA"); |
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371 | Matrix<uChar> flagtraHot = GetArrayColumn<uChar>(hot->table(), "FLAGTRA"); |
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372 | SpectralData offspectra(Matrix<Float>(GetArrayColumn<Float>(off->table(), "SPECTRA"))); |
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373 | SpectralData skyspectra(Matrix<Float>(GetArrayColumn<Float>(sky->table(), "SPECTRA"))); |
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374 | SpectralData hotspectra(Matrix<Float>(GetArrayColumn<Float>(hot->table(), "SPECTRA"))); |
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375 | TcalData tcaldata(sky); |
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376 | TsysData tsysdata(sky); |
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377 | unsigned int spsize = on->nchan( on->getIF(rows[0]) ) ; |
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378 | vector<int> idsOff( 2 * spsize ) ; |
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379 | vector<int> idsSky( 2 * spsize ) ; |
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380 | vector<int> idsHot( 2 * spsize ) ; |
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381 | for ( unsigned int irow = 0 ; irow < rows.nelements() ; irow++ ) { |
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382 | uInt row = rows[irow]; |
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383 | double reftime = timeOn[row]; |
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384 | idsOff = getRowIdFromTime2( reftime, timeOff, flagrowOff, flagtraOff ) ; |
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385 | Vector<Float> spoff = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeOff, idsOff, offspectra, "linear"); |
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386 | idsSky = getRowIdFromTime2( reftime, timeSky, flagrowSky, flagtraSky ) ; |
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387 | Vector<Float> spsky = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeSky, idsSky, skyspectra, "linear"); |
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388 | Vector<Float> tcal = SimpleInterpolationHelper<TcalData>::GetFromTime(reftime, timeSky, idsSky, tcaldata, "linear"); |
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389 | Vector<Float> tsys = SimpleInterpolationHelper<TsysData>::GetFromTime(reftime, timeSky, idsSky, tsysdata, "linear"); |
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390 | idsHot = getRowIdFromTime2( reftime, timeHot, flagrowHot, flagtraHot ) ; |
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391 | Vector<Float> sphot = SimpleInterpolationHelper<SpectralData>::GetFromTime(reftime, timeHot, idsHot, hotspectra, "linear"); |
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392 | Vector<Float> spec = in_spectra_column(row); |
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393 | Vector<uChar> flag = in_flagtra_column(row); |
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394 | if ( antenna_name.find( "APEX" ) != String::npos ) { |
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395 | // using gain array |
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396 | for ( unsigned int j = 0 ; j < tcal.size() ; j++ ) { |
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397 | //if at least one of off/sky/hot data unavailable, just flag the channel. |
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398 | if (((idsOff[2*j] == -1)&&(idsOff[2*j+1] == -1))|| |
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399 | ((idsSky[2*j] == -1)&&(idsSky[2*j+1] == -1))|| |
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400 | ((idsHot[2*j] == -1)&&(idsHot[2*j+1] == -1))) { |
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401 | flag[j] = (uChar)True; |
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402 | continue; |
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403 | } |
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404 | if (flagrowOn[row] == 0) { |
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405 | if ( spoff[j] == 0.0 || (sphot[j]-spsky[j]) == 0.0 ) { |
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406 | spec[j] = 0.0 ; |
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407 | flag[j] = (uChar)True; |
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408 | } |
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409 | else { |
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410 | spec[j] = ( ( spec[j] - spoff[j] ) / spoff[j] ) |
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411 | * ( spsky[j] / ( sphot[j] - spsky[j] ) ) * tcal[j] ; |
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412 | } |
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413 | } |
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414 | } |
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415 | } |
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416 | else { |
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417 | // Chopper-Wheel calibration (Ulich & Haas 1976) |
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418 | for ( unsigned int j = 0 ; j < tcal.size() ; j++ ) { |
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419 | //if at least one of off/sky/hot data unavailable, just flag the channel. |
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420 | if (((idsOff[2*j] == -1)&&(idsOff[2*j+1] == -1))|| |
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421 | ((idsSky[2*j] == -1)&&(idsSky[2*j+1] == -1))|| |
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422 | ((idsHot[2*j] == -1)&&(idsHot[2*j+1] == -1))) { |
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423 | flag[j] = (uChar)True; |
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424 | continue; |
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425 | } |
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426 | if (flagrowOn[row] == 0) { |
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427 | if ( (sphot[j]-spsky[j]) == 0.0 ) { |
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428 | spec[j] = 0.0 ; |
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429 | flag[j] = (uChar)True; |
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430 | } |
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431 | else { |
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432 | spec[j] = ( spec[j] - spoff[j] ) / ( sphot[j] - spsky[j] ) * tcal[j] ; |
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433 | } |
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434 | } |
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435 | } |
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436 | } |
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437 | out_spectra_column.put(row, spec); |
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438 | out_flagtra_column.put(row, flag); |
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439 | out_tsys_column.put(row, tsys); |
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440 | } |
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441 | } |
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442 | static void GetSelector(STSelector &sel, const vector<string> &names, const Record &values) |
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443 | { |
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444 | stringstream ss ; |
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445 | ss << "SELECT FROM $1 WHERE "; |
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446 | string separator = ""; |
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447 | for (vector<string>::const_iterator i = names.begin(); i != names.end(); ++i) { |
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448 | ss << separator << *i << "=="; |
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449 | switch (values.dataType(*i)) { |
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450 | case TpUInt: |
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451 | ss << values.asuInt(*i); |
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452 | break; |
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453 | case TpInt: |
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454 | ss << values.asInt(*i); |
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455 | break; |
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456 | case TpFloat: |
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457 | ss << values.asFloat(*i); |
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458 | break; |
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459 | case TpDouble: |
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460 | ss << values.asDouble(*i); |
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461 | break; |
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462 | case TpComplex: |
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463 | ss << values.asComplex(*i); |
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464 | break; |
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465 | case TpString: |
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466 | ss << values.asString(*i); |
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467 | break; |
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468 | default: |
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469 | break; |
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470 | } |
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471 | separator = "&&"; |
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472 | } |
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473 | sel.setTaQL(ss.str()); |
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474 | } |
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475 | private: |
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476 | template<class T> |
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477 | static Vector<T> GetScalarColumn(const Table &table, const String &name) |
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478 | { |
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479 | ROScalarColumn<T> column(table, name); |
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480 | return column.getColumn(); |
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481 | } |
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482 | template<class T> |
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483 | static Array<T> GetArrayColumn(const Table &table, const String &name) |
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484 | { |
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485 | ROArrayColumn<T> column(table, name); |
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486 | return column.getColumn(); |
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487 | } |
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488 | }; |
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489 | |
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490 | class AlmaCalibrator |
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491 | { |
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492 | public: |
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493 | AlmaCalibrator(CountedPtr<Scantable> &out, |
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494 | const CountedPtr<Scantable> &on, |
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495 | const CountedPtr<Scantable> &off) |
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496 | : target_(out), |
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497 | selector_(), |
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498 | on_(on), |
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499 | off_(off) |
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500 | {} |
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501 | ~AlmaCalibrator() {} |
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502 | CountedPtr<Scantable> target() const {return target_;} |
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503 | void Process(const vector<string> &cols, const Record &values, const Vector<uInt> &rows) { |
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504 | CalibrationHelper::GetSelector(selector_, cols, values); |
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505 | off_->setSelection(selector_); |
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506 | CalibrationHelper::CalibrateALMA(target_, on_, off_, rows); |
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507 | off_->unsetSelection(); |
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508 | } |
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509 | private: |
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510 | CountedPtr<Scantable> target_; |
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511 | STSelector selector_; |
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512 | const CountedPtr<Scantable> on_; |
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513 | const CountedPtr<Scantable> off_; |
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514 | }; |
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515 | |
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516 | class ChopperWheelCalibrator |
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517 | { |
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518 | public: |
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519 | ChopperWheelCalibrator(CountedPtr<Scantable> &out, |
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520 | const CountedPtr<Scantable> &on, |
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521 | const CountedPtr<Scantable> &sky, |
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522 | const CountedPtr<Scantable> &off, |
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523 | const CountedPtr<Scantable> &hot, |
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524 | const CountedPtr<Scantable> &cold) |
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525 | : target_(out), |
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526 | selector_(), |
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527 | on_(on), |
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528 | off_(off), |
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529 | sky_(sky), |
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530 | hot_(hot), |
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531 | cold_(cold) |
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532 | {} |
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533 | ~ChopperWheelCalibrator() {} |
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534 | CountedPtr<Scantable> target() const {return target_;} |
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535 | void Process(const vector<string> &cols, const Record &values, const Vector<uInt> &rows) { |
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536 | CalibrationHelper::GetSelector(selector_, cols, values); |
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537 | off_->setSelection(selector_); |
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538 | sky_->setSelection(selector_); |
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539 | hot_->setSelection(selector_); |
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540 | CalibrationHelper::CalibrateChopperWheel(target_, on_, off_, sky_, hot_, cold_, rows); |
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541 | off_->unsetSelection(); |
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542 | sky_->unsetSelection(); |
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543 | hot_->unsetSelection(); |
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544 | } |
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545 | private: |
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546 | CountedPtr<Scantable> target_; |
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547 | STSelector selector_; |
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548 | const CountedPtr<Scantable> on_; |
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549 | const CountedPtr<Scantable> off_; |
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550 | const CountedPtr<Scantable> sky_; |
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551 | const CountedPtr<Scantable> hot_; |
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552 | const CountedPtr<Scantable> cold_; |
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553 | }; |
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554 | |
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555 | } // anonymous namespace |
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