1 | // |
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2 | // C++ Implementation: Scantable |
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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: Malte Marquarding <asap@atnf.csiro.au>, (C) 2005 |
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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 <map> |
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13 | |
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14 | #include <casa/aips.h> |
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15 | #include <casa/iostream.h> |
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16 | #include <casa/iomanip.h> |
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17 | #include <casa/OS/Path.h> |
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18 | #include <casa/OS/File.h> |
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19 | #include <casa/Arrays/Array.h> |
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20 | #include <casa/Arrays/ArrayMath.h> |
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21 | #include <casa/Arrays/MaskArrMath.h> |
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22 | #include <casa/Arrays/ArrayLogical.h> |
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23 | #include <casa/Arrays/ArrayAccessor.h> |
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24 | #include <casa/Arrays/VectorSTLIterator.h> |
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25 | #include <casa/Arrays/Vector.h> |
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26 | #include <casa/BasicMath/Math.h> |
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27 | #include <casa/BasicSL/Constants.h> |
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28 | #include <casa/Quanta/MVAngle.h> |
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29 | #include <casa/Containers/RecordField.h> |
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30 | |
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31 | #include <tables/Tables/TableParse.h> |
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32 | #include <tables/Tables/TableDesc.h> |
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33 | #include <tables/Tables/TableCopy.h> |
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34 | #include <tables/Tables/SetupNewTab.h> |
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35 | #include <tables/Tables/ScaColDesc.h> |
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36 | #include <tables/Tables/ArrColDesc.h> |
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37 | #include <tables/Tables/TableRow.h> |
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38 | #include <tables/Tables/TableVector.h> |
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39 | #include <tables/Tables/TableIter.h> |
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40 | |
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41 | #include <tables/Tables/ExprNode.h> |
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42 | #include <tables/Tables/TableRecord.h> |
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43 | #include <measures/Measures/MFrequency.h> |
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44 | #include <measures/Measures/MEpoch.h> |
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45 | #include <measures/Measures/MeasTable.h> |
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46 | #include <measures/Measures/MeasRef.h> |
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47 | #include <measures/TableMeasures/TableMeasRefDesc.h> |
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48 | #include <measures/TableMeasures/TableMeasValueDesc.h> |
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49 | #include <measures/TableMeasures/TableMeasDesc.h> |
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50 | #include <measures/TableMeasures/ScalarMeasColumn.h> |
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51 | #include <coordinates/Coordinates/CoordinateUtil.h> |
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52 | #include <casa/Quanta/MVTime.h> |
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53 | #include <casa/Quanta/MVAngle.h> |
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54 | |
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55 | #include "Scantable.h" |
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56 | #include "SDAttr.h" |
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57 | |
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58 | using namespace casa; |
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59 | |
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60 | namespace asap { |
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61 | |
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62 | Scantable::Scantable(Table::TableType ttype) : |
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63 | type_(ttype), |
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64 | freqTable_(ttype), |
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65 | focusTable_(ttype), |
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66 | weatherTable_(ttype), |
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67 | tcalTable_(ttype), |
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68 | moleculeTable_(ttype) |
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69 | { |
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70 | setupMainTable(); |
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71 | table_.rwKeywordSet().defineTable("FREQUENCIES", freqTable_.table()); |
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72 | table_.rwKeywordSet().defineTable("WEATHER", weatherTable_.table()); |
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73 | table_.rwKeywordSet().defineTable("FOCUS", focusTable_.table()); |
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74 | table_.rwKeywordSet().defineTable("TCAL", tcalTable_.table()); |
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75 | table_.rwKeywordSet().defineTable("MOLECULES", moleculeTable_.table()); |
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76 | setupHistoryTable(); |
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77 | setupFitTable(); |
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78 | |
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79 | originalTable_ = table_; |
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80 | attach(); |
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81 | } |
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82 | |
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83 | Scantable::Scantable(const std::string& name, Table::TableType ttype) : |
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84 | type_(ttype), |
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85 | freqTable_(ttype) |
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86 | { |
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87 | Table tab(name); |
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88 | Int version; |
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89 | tab.keywordSet().get("VERSION", version); |
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90 | if (version != version_) { |
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91 | throw(AipsError("Unsupported version of ASAP file.")); |
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92 | } |
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93 | if ( type_ == Table::Memory ) |
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94 | table_ = tab.copyToMemoryTable("dummy"); |
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95 | else |
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96 | table_ = tab; |
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97 | |
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98 | originalTable_ = table_; |
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99 | attach(); |
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100 | } |
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101 | |
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102 | |
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103 | Scantable::Scantable( const Scantable& other, bool clear ) |
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104 | { |
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105 | // with or without data |
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106 | if (clear) { |
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107 | table_ = TableCopy::makeEmptyMemoryTable(String("dummy"), other.table_, |
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108 | True); |
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109 | } else { |
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110 | table_ = other.table_.copyToMemoryTable(String("dummy")); |
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111 | } |
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112 | |
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113 | originalTable_ = table_; |
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114 | attach(); |
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115 | } |
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116 | |
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117 | Scantable::~Scantable() |
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118 | { |
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119 | cout << "~Scantable() " << this << endl; |
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120 | } |
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121 | |
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122 | void Scantable::setupMainTable() |
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123 | { |
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124 | TableDesc td("", "1", TableDesc::Scratch); |
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125 | td.comment() = "An ASAP Scantable"; |
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126 | td.rwKeywordSet().define("VERSION", Int(version_)); |
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127 | |
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128 | // n Cycles |
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129 | td.addColumn(ScalarColumnDesc<uInt>("SCANNO")); |
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130 | // new index every nBeam x nIF x nPol |
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131 | td.addColumn(ScalarColumnDesc<uInt>("CYCLENO")); |
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132 | |
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133 | td.addColumn(ScalarColumnDesc<uInt>("BEAMNO")); |
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134 | td.addColumn(ScalarColumnDesc<uInt>("IFNO")); |
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135 | td.rwKeywordSet().define("POLTYPE", String("linear")); |
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136 | td.addColumn(ScalarColumnDesc<uInt>("POLNO")); |
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137 | |
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138 | td.addColumn(ScalarColumnDesc<uInt>("FREQ_ID")); |
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139 | td.addColumn(ScalarColumnDesc<uInt>("MOLECULE_ID")); |
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140 | // linear, circular, stokes [I Q U V], stokes1 [I Plinear Pangle V] |
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141 | td.addColumn(ScalarColumnDesc<Int>("REFBEAMNO")); |
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142 | |
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143 | td.addColumn(ScalarColumnDesc<Double>("TIME")); |
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144 | TableMeasRefDesc measRef(MEpoch::UTC); // UTC as default |
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145 | TableMeasValueDesc measVal(td, "TIME"); |
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146 | TableMeasDesc<MEpoch> mepochCol(measVal, measRef); |
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147 | mepochCol.write(td); |
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148 | |
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149 | td.addColumn(ScalarColumnDesc<Double>("INTERVAL")); |
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150 | |
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151 | td.addColumn(ScalarColumnDesc<String>("SRCNAME")); |
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152 | // Type of source (on=0, off=1, other=-1) |
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153 | td.addColumn(ScalarColumnDesc<Int>("SRCTYPE", Int(-1))); |
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154 | td.addColumn(ScalarColumnDesc<String>("FIELDNAME")); |
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155 | |
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156 | //The actual Data Vectors |
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157 | td.addColumn(ArrayColumnDesc<Float>("SPECTRA")); |
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158 | td.addColumn(ArrayColumnDesc<uChar>("FLAGTRA")); |
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159 | td.addColumn(ArrayColumnDesc<Float>("TSYS")); |
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160 | |
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161 | td.addColumn(ArrayColumnDesc<Double>("DIRECTION", |
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162 | IPosition(1,2), |
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163 | ColumnDesc::Direct)); |
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164 | TableMeasRefDesc mdirRef(MDirection::J2000); // default |
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165 | TableMeasValueDesc tmvdMDir(td, "DIRECTION"); |
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166 | // the TableMeasDesc gives the column a type |
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167 | TableMeasDesc<MDirection> mdirCol(tmvdMDir, mdirRef); |
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168 | // writing create the measure column |
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169 | mdirCol.write(td); |
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170 | td.addColumn(ScalarColumnDesc<Double>("AZIMUTH")); |
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171 | td.addColumn(ScalarColumnDesc<Double>("ELEVATION")); |
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172 | td.addColumn(ScalarColumnDesc<Float>("PARANGLE")); |
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173 | |
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174 | td.addColumn(ScalarColumnDesc<uInt>("TCAL_ID")); |
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175 | td.addColumn(ScalarColumnDesc<uInt>("FIT_ID")); |
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176 | |
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177 | td.addColumn(ScalarColumnDesc<uInt>("FOCUS_ID")); |
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178 | td.addColumn(ScalarColumnDesc<uInt>("WEATHER_ID")); |
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179 | |
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180 | td.rwKeywordSet().define("OBSMODE", String("")); |
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181 | |
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182 | // Now create Table SetUp from the description. |
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183 | SetupNewTable aNewTab("dummy", td, Table::New); |
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184 | table_ = Table(aNewTab, Table::Memory, 0); |
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185 | |
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186 | originalTable_ = table_; |
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187 | |
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188 | } |
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189 | |
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190 | void asap::Scantable::setupHistoryTable( ) |
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191 | { |
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192 | TableDesc tdh("", "1", TableDesc::Scratch); |
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193 | tdh.addColumn(ScalarColumnDesc<String>("ITEM")); |
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194 | SetupNewTable histtab("history", tdh, Table::New); |
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195 | Table histTable(histtab, Table::Memory); |
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196 | table_.rwKeywordSet().defineTable("HISTORY", histTable); |
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197 | } |
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198 | |
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199 | void Scantable::setupFitTable() |
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200 | { |
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201 | TableDesc td("", "1", TableDesc::Scratch); |
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202 | td.addColumn(ScalarColumnDesc<uInt>("FIT_ID")); |
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203 | td.addColumn(ArrayColumnDesc<String>("FUNCTIONS")); |
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204 | td.addColumn(ArrayColumnDesc<Int>("COMPONENTS")); |
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205 | td.addColumn(ArrayColumnDesc<Double>("PARAMETERS")); |
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206 | td.addColumn(ArrayColumnDesc<Bool>("PARMASK")); |
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207 | td.addColumn(ArrayColumnDesc<String>("FRAMEINFO")); |
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208 | SetupNewTable aNewTab("fits", td, Table::New); |
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209 | Table aTable(aNewTab, Table::Memory); |
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210 | table_.rwKeywordSet().defineTable("FITS", aTable); |
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211 | } |
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212 | |
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213 | void Scantable::attach() |
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214 | { |
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215 | historyTable_ = table_.keywordSet().asTable("HISTORY"); |
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216 | fitTable_ = table_.keywordSet().asTable("FITS"); |
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217 | |
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218 | timeCol_.attach(table_, "TIME"); |
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219 | srcnCol_.attach(table_, "SRCNAME"); |
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220 | specCol_.attach(table_, "SPECTRA"); |
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221 | flagsCol_.attach(table_, "FLAGTRA"); |
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222 | tsCol_.attach(table_, "TSYS"); |
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223 | cycleCol_.attach(table_,"CYCLENO"); |
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224 | scanCol_.attach(table_, "SCANNO"); |
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225 | beamCol_.attach(table_, "BEAMNO"); |
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226 | integrCol_.attach(table_, "INTERVAL"); |
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227 | azCol_.attach(table_, "AZIMUTH"); |
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228 | elCol_.attach(table_, "ELEVATION"); |
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229 | dirCol_.attach(table_, "DIRECTION"); |
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230 | paraCol_.attach(table_, "PARANGLE"); |
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231 | fldnCol_.attach(table_, "FIELDNAME"); |
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232 | rbeamCol_.attach(table_, "REFBEAMNO"); |
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233 | |
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234 | mfitidCol_.attach(table_,"FIT_ID"); |
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235 | fitidCol_.attach(fitTable_,"FIT_ID"); |
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236 | |
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237 | mfreqidCol_.attach(table_, "FREQ_ID"); |
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238 | |
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239 | mtcalidCol_.attach(table_, "TCAL_ID"); |
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240 | |
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241 | mfocusidCol_.attach(table_, "FOCUS_ID"); |
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242 | |
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243 | mmolidCol_.attach(table_, "MOLECULE_ID"); |
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244 | } |
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245 | |
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246 | void Scantable::putSDHeader(const SDHeader& sdh) |
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247 | { |
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248 | table_.rwKeywordSet().define("nIF", sdh.nif); |
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249 | table_.rwKeywordSet().define("nBeam", sdh.nbeam); |
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250 | table_.rwKeywordSet().define("nPol", sdh.npol); |
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251 | table_.rwKeywordSet().define("nChan", sdh.nchan); |
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252 | table_.rwKeywordSet().define("Observer", sdh.observer); |
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253 | table_.rwKeywordSet().define("Project", sdh.project); |
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254 | table_.rwKeywordSet().define("Obstype", sdh.obstype); |
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255 | table_.rwKeywordSet().define("AntennaName", sdh.antennaname); |
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256 | table_.rwKeywordSet().define("AntennaPosition", sdh.antennaposition); |
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257 | table_.rwKeywordSet().define("Equinox", sdh.equinox); |
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258 | table_.rwKeywordSet().define("FreqRefFrame", sdh.freqref); |
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259 | table_.rwKeywordSet().define("FreqRefVal", sdh.reffreq); |
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260 | table_.rwKeywordSet().define("Bandwidth", sdh.bandwidth); |
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261 | table_.rwKeywordSet().define("UTC", sdh.utc); |
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262 | table_.rwKeywordSet().define("FluxUnit", sdh.fluxunit); |
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263 | table_.rwKeywordSet().define("Epoch", sdh.epoch); |
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264 | } |
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265 | |
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266 | SDHeader Scantable::getSDHeader() const |
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267 | { |
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268 | SDHeader sdh; |
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269 | table_.keywordSet().get("nBeam",sdh.nbeam); |
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270 | table_.keywordSet().get("nIF",sdh.nif); |
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271 | table_.keywordSet().get("nPol",sdh.npol); |
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272 | table_.keywordSet().get("nChan",sdh.nchan); |
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273 | table_.keywordSet().get("Observer", sdh.observer); |
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274 | table_.keywordSet().get("Project", sdh.project); |
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275 | table_.keywordSet().get("Obstype", sdh.obstype); |
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276 | table_.keywordSet().get("AntennaName", sdh.antennaname); |
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277 | table_.keywordSet().get("AntennaPosition", sdh.antennaposition); |
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278 | table_.keywordSet().get("Equinox", sdh.equinox); |
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279 | table_.keywordSet().get("FreqRefFrame", sdh.freqref); |
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280 | table_.keywordSet().get("FreqRefVal", sdh.reffreq); |
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281 | table_.keywordSet().get("Bandwidth", sdh.bandwidth); |
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282 | table_.keywordSet().get("UTC", sdh.utc); |
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283 | table_.keywordSet().get("FluxUnit", sdh.fluxunit); |
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284 | table_.keywordSet().get("Epoch", sdh.epoch); |
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285 | return sdh; |
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286 | } |
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287 | |
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288 | int Scantable::rowToScanIndex( int therow ) |
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289 | { |
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290 | int therealrow = -1; |
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291 | |
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292 | return therealrow; |
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293 | } |
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294 | |
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295 | int Scantable::nScan() const { |
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296 | int n = 0; |
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297 | int previous = -1; int current = 0; |
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298 | for (uInt i=0; i< scanCol_.nrow();i++) { |
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299 | scanCol_.getScalar(i,current); |
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300 | if (previous != current) { |
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301 | previous = current; |
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302 | n++; |
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303 | } |
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304 | } |
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305 | return n; |
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306 | } |
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307 | |
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308 | std::string Scantable::formatSec(Double x) const |
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309 | { |
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310 | Double xcop = x; |
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311 | MVTime mvt(xcop/24./3600.); // make days |
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312 | |
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313 | if (x < 59.95) |
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314 | return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_HM, 7)+"s"; |
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315 | else if (x < 3599.95) |
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316 | return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_H,7)+" "; |
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317 | else { |
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318 | ostringstream oss; |
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319 | oss << setw(2) << std::right << setprecision(1) << mvt.hour(); |
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320 | oss << ":" << mvt.string(MVTime::TIME_CLEAN_NO_H,7) << " "; |
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321 | return String(oss); |
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322 | } |
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323 | }; |
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324 | |
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325 | std::string Scantable::formatDirection(const MDirection& md) const |
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326 | { |
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327 | Vector<Double> t = md.getAngle(Unit(String("rad"))).getValue(); |
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328 | Int prec = 7; |
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329 | |
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330 | MVAngle mvLon(t[0]); |
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331 | String sLon = mvLon.string(MVAngle::TIME,prec); |
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332 | MVAngle mvLat(t[1]); |
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333 | String sLat = mvLat.string(MVAngle::ANGLE+MVAngle::DIG2,prec); |
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334 | return sLon + String(" ") + sLat; |
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335 | } |
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336 | |
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337 | |
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338 | std::string Scantable::getFluxUnit() const |
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339 | { |
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340 | String tmp; |
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341 | table_.keywordSet().get("FluxUnit", tmp); |
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342 | return tmp; |
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343 | } |
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344 | |
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345 | void Scantable::setFluxUnit(const std::string& unit) |
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346 | { |
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347 | String tmp(unit); |
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348 | Unit tU(tmp); |
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349 | if (tU==Unit("K") || tU==Unit("Jy")) { |
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350 | table_.rwKeywordSet().define(String("FluxUnit"), tmp); |
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351 | } else { |
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352 | throw AipsError("Illegal unit - must be compatible with Jy or K"); |
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353 | } |
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354 | } |
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355 | |
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356 | void Scantable::setInstrument(const std::string& name) |
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357 | { |
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358 | bool throwIt = true; |
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359 | Instrument ins = SDAttr::convertInstrument(name, throwIt); |
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360 | String nameU(name); |
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361 | nameU.upcase(); |
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362 | table_.rwKeywordSet().define(String("AntennaName"), nameU); |
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363 | } |
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364 | |
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365 | MPosition Scantable::getAntennaPosition () const |
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366 | { |
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367 | Vector<Double> antpos; |
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368 | table_.keywordSet().get("AntennaPosition", antpos); |
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369 | MVPosition mvpos(antpos(0),antpos(1),antpos(2)); |
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370 | return MPosition(mvpos); |
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371 | } |
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372 | |
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373 | void Scantable::makePersistent(const std::string& filename) |
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374 | { |
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375 | String inname(filename); |
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376 | Path path(inname); |
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377 | inname = path.expandedName(); |
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378 | table_.deepCopy(inname, Table::New); |
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379 | } |
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380 | |
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381 | int asap::Scantable::nbeam( int scanno ) const |
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382 | { |
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383 | if ( scanno < 0 ) { |
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384 | Int n; |
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385 | table_.keywordSet().get("nBeam",n); |
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386 | return int(n); |
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387 | } else { |
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388 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
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389 | Table tab = table_(table_.col("SCANNO") == scanno |
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390 | && table_.col("POLNO") == 0 |
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391 | && table_.col("IFNO") == 0 |
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392 | && table_.col("CYCLENO") == 0 ); |
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393 | ROTableVector<uInt> v(tab, "BEAMNO"); |
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394 | return int(v.nelements()); |
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395 | } |
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396 | return 0; |
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397 | } |
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398 | |
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399 | int asap::Scantable::nif( int scanno ) const |
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400 | { |
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401 | if ( scanno < 0 ) { |
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402 | Int n; |
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403 | table_.keywordSet().get("nIF",n); |
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404 | return int(n); |
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405 | } else { |
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406 | // take the first POLNO,BEAMNO,CYCLENO as nbeam shouldn't vary with these |
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407 | Table tab = table_(table_.col("SCANNO") == scanno |
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408 | && table_.col("POLNO") == 0 |
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409 | && table_.col("BEAMNO") == 0 |
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410 | && table_.col("CYCLENO") == 0 ); |
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411 | ROTableVector<uInt> v(tab, "IFNO"); |
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412 | return int(v.nelements()); |
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413 | } |
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414 | return 0; |
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415 | } |
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416 | |
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417 | int asap::Scantable::npol( int scanno ) const |
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418 | { |
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419 | if ( scanno < 0 ) { |
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420 | Int n; |
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421 | table_.keywordSet().get("nPol",n); |
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422 | return n; |
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423 | } else { |
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424 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
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425 | Table tab = table_(table_.col("SCANNO") == scanno |
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426 | && table_.col("IFNO") == 0 |
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427 | && table_.col("BEAMNO") == 0 |
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428 | && table_.col("CYCLENO") == 0 ); |
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429 | ROTableVector<uInt> v(tab, "POLNO"); |
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430 | return int(v.nelements()); |
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431 | } |
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432 | return 0; |
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433 | } |
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434 | |
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435 | int asap::Scantable::nrow( int scanno ) const |
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436 | { |
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437 | if ( scanno < 0 ) { |
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438 | return int(table_.nrow()); |
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439 | } else { |
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440 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
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441 | Table tab = table_(table_.col("SCANNO") == scanno |
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442 | && table_.col("BEAMNO") == 0 |
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443 | && table_.col("IFNO") == 0 |
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444 | && table_.col("POLNO") == 0 ); |
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445 | return int(tab.nrow()); |
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446 | } |
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447 | return 0; |
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448 | } |
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449 | |
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450 | |
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451 | int asap::Scantable::nchan( int scanno, int ifno ) const |
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452 | { |
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453 | if ( scanno < 0 && ifno < 0 ) { |
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454 | Int n; |
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455 | table_.keywordSet().get("nChan",n); |
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456 | return int(n); |
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457 | } else { |
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458 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
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459 | Table tab = table_(table_.col("SCANNO") == scanno |
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460 | && table_.col("IFNO") == ifno |
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461 | && table_.col("BEAMNO") == 0 |
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462 | && table_.col("POLNO") == 0 |
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463 | && table_.col("CYCLENO") == 0 ); |
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464 | ROArrayColumn<Float> v(tab, "SPECTRA"); |
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465 | cout << v.shape(0) << endl; |
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466 | return 0; |
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467 | } |
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468 | return 0; |
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469 | } |
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470 | |
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471 | Table Scantable::getHistoryTable() const |
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472 | { |
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473 | return table_.keywordSet().asTable("HISTORY"); |
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474 | } |
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475 | |
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476 | void Scantable::appendToHistoryTable(const Table& otherHist) |
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477 | { |
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478 | Table t = table_.rwKeywordSet().asTable("HISTORY"); |
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479 | |
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480 | addHistory(asap::SEPERATOR); |
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481 | TableCopy::copyRows(t, otherHist, t.nrow(), 0, otherHist.nrow()); |
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482 | addHistory(asap::SEPERATOR); |
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483 | } |
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484 | |
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485 | void Scantable::addHistory(const std::string& hist) |
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486 | { |
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487 | Table t = table_.rwKeywordSet().asTable("HISTORY"); |
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488 | uInt nrow = t.nrow(); |
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489 | t.addRow(); |
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490 | ScalarColumn<String> itemCol(t, "ITEM"); |
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491 | itemCol.put(nrow, hist); |
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492 | } |
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493 | |
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494 | std::vector<std::string> Scantable::getHistory() const |
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495 | { |
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496 | Vector<String> history; |
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497 | const Table& t = table_.keywordSet().asTable("HISTORY"); |
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498 | uInt nrow = t.nrow(); |
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499 | ROScalarColumn<String> itemCol(t, "ITEM"); |
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500 | std::vector<std::string> stlout; |
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501 | String hist; |
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502 | for (uInt i=0; i<nrow; ++i) { |
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503 | itemCol.get(i, hist); |
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504 | stlout.push_back(hist); |
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505 | } |
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506 | return stlout; |
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507 | } |
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508 | |
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509 | std::string Scantable::formatTime(const MEpoch& me, bool showdate) const |
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510 | { |
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511 | MVTime mvt(me.getValue()); |
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512 | if (showdate) |
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513 | mvt.setFormat(MVTime::YMD); |
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514 | else |
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515 | mvt.setFormat(MVTime::TIME); |
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516 | ostringstream oss; |
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517 | oss << mvt; |
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518 | return String(oss); |
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519 | } |
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520 | |
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521 | void Scantable::calculateAZEL() |
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522 | { |
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523 | MPosition mp = getAntennaPosition(); |
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524 | MEpoch::ROScalarColumn timeCol(table_, "TIME"); |
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525 | ostringstream oss; |
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526 | oss << "Computed azimuth/elevation using " << endl |
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527 | << mp << endl; |
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528 | for (uInt i=0; i<nrow(); ++i) { |
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529 | MEpoch me = timeCol(i); |
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530 | MDirection md = dirCol_(i); |
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531 | dirCol_.get(i,md); |
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532 | oss << " Time: " << formatTime(me,False) << " Direction: " << formatDirection(md) |
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533 | << endl << " => "; |
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534 | MeasFrame frame(mp, me); |
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535 | Vector<Double> azel = |
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536 | MDirection::Convert(md, MDirection::Ref(MDirection::AZEL, |
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537 | frame) |
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538 | )().getAngle("rad").getValue(); |
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539 | azCol_.put(i,azel[0]); |
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540 | elCol_.put(i,azel[1]); |
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541 | oss << "azel: " << azel[0]/C::pi*180.0 << " " |
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542 | << azel[1]/C::pi*180.0 << " (deg)" << endl; |
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543 | } |
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544 | pushLog(String(oss)); |
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545 | } |
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546 | |
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547 | double Scantable::getInterval(int whichrow) const |
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548 | { |
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549 | if (whichrow < 0) return 0.0; |
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550 | Double intval; |
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551 | integrCol_.get(Int(whichrow), intval); |
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552 | return intval; |
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553 | } |
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554 | |
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555 | std::vector<bool> Scantable::getMask(int whichrow) const |
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556 | { |
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557 | Vector<uChar> flags; |
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558 | flagsCol_.get(uInt(whichrow), flags); |
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559 | Vector<Bool> bflag(flags.shape()); |
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560 | convertArray(bflag, flags); |
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561 | bflag = !bflag; |
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562 | std::vector<bool> mask; |
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563 | bflag.tovector(mask); |
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564 | return mask; |
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565 | } |
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566 | |
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567 | std::vector<float> Scantable::getSpectrum(int whichrow) const |
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568 | { |
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569 | Vector<Float> arr; |
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570 | specCol_.get(whichrow, arr); |
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571 | std::vector<float> out; |
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572 | arr.tovector(out); |
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573 | return out; |
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574 | } |
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575 | |
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576 | String Scantable::generateName() |
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577 | { |
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578 | return (File::newUniqueName("./","temp")).baseName(); |
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579 | } |
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580 | |
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581 | const casa::Table& Scantable::table( ) const |
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582 | { |
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583 | return table_; |
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584 | } |
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585 | |
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586 | casa::Table& Scantable::table( ) |
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587 | { |
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588 | return table_; |
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589 | } |
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590 | |
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591 | std::string Scantable::getPolarizationLabel(bool linear, bool stokes, |
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592 | bool linpol, int polidx) const |
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593 | { |
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594 | uInt idx = 0; |
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595 | if (polidx >=0) idx = polidx; |
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596 | return ""; |
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597 | //return SDPolUtil::polarizationLabel(idx, linear, stokes, linpol); |
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598 | } |
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599 | |
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600 | void Scantable::unsetSelection() |
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601 | { |
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602 | table_ = originalTable_; |
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603 | selector_.reset(); |
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604 | } |
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605 | |
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606 | void Scantable::setSelection( const STSelector& selection ) |
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607 | { |
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608 | Table tab = const_cast<STSelector&>(selection).apply(originalTable_); |
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609 | if ( tab.nrow() == 0 ) { |
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610 | throw(AipsError("Selection contains no data. Not applying it.")); |
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611 | } |
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612 | table_ = tab; |
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613 | selector_ = selection; |
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614 | } |
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615 | |
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616 | std::string asap::Scantable::summary( bool verbose ) |
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617 | { |
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618 | // Format header info |
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619 | ostringstream oss; |
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620 | oss << endl; |
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621 | oss << asap::SEPERATOR << endl; |
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622 | oss << " Scan Table Summary" << endl; |
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623 | oss << asap::SEPERATOR << endl; |
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624 | oss.flags(std::ios_base::left); |
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625 | oss << setw(15) << "Beams:" << setw(4) << nbeam() << endl |
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626 | << setw(15) << "IFs:" << setw(4) << nif() << endl |
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627 | << setw(15) << "Polarisations:" << setw(4) << npol() << endl |
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628 | << setw(15) << "Channels:" << setw(4) << nchan() << endl; |
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629 | oss << endl; |
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630 | String tmp; |
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631 | //table_.keywordSet().get("Observer", tmp); |
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632 | oss << setw(15) << "Observer:" << table_.keywordSet().asString("Observer") << endl; |
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633 | oss << setw(15) << "Obs Date:" << getTime(-1,true) << endl; |
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634 | table_.keywordSet().get("Project", tmp); |
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635 | oss << setw(15) << "Project:" << tmp << endl; |
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636 | table_.keywordSet().get("Obstype", tmp); |
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637 | oss << setw(15) << "Obs. Type:" << tmp << endl; |
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638 | table_.keywordSet().get("AntennaName", tmp); |
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639 | oss << setw(15) << "Antenna Name:" << tmp << endl; |
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640 | table_.keywordSet().get("FluxUnit", tmp); |
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641 | oss << setw(15) << "Flux Unit:" << tmp << endl; |
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642 | Vector<Float> vec; |
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643 | oss << setw(15) << "Rest Freqs:"; |
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644 | if (vec.nelements() > 0) { |
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645 | oss << setprecision(10) << vec << " [Hz]" << endl; |
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646 | } else { |
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647 | oss << "none" << endl; |
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648 | } |
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649 | oss << setw(15) << "Abcissa:" << "channel" << endl; |
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650 | oss << selector_.print() << endl; |
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651 | oss << endl; |
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652 | // main table |
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653 | String dirtype = "Position (" |
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654 | + MDirection::showType(dirCol_.getMeasRef().getType()) |
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655 | + ")"; |
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656 | oss << setw(5) << "Scan" |
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657 | << setw(15) << "Source" |
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658 | // << setw(24) << dirtype |
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659 | << setw(10) << "Time" |
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660 | << setw(18) << "Integration" << endl |
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661 | << setw(5) << "" << setw(10) << "Beam" << dirtype << endl |
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662 | << setw(15) << "" << setw(5) << "IF" |
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663 | << setw(8) << "Frame" << setw(16) |
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664 | << "RefVal" << setw(10) << "RefPix" << setw(12) << "Increment" <<endl; |
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665 | oss << asap::SEPERATOR << endl; |
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666 | TableIterator iter(table_, "SCANNO"); |
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667 | while (!iter.pastEnd()) { |
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668 | Table subt = iter.table(); |
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669 | ROTableRow row(subt); |
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670 | MEpoch::ROScalarColumn timeCol(subt,"TIME"); |
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671 | const TableRecord& rec = row.get(0); |
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672 | oss << setw(4) << std::right << rec.asuInt("SCANNO") |
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673 | << std::left << setw(1) << "" |
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674 | << setw(15) << rec.asString("SRCNAME") |
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675 | << setw(10) << formatTime(timeCol(0), false); |
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676 | // count the cycles in the scan |
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677 | TableIterator cyciter(subt, "CYCLENO"); |
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678 | int nint = 0; |
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679 | while (!cyciter.pastEnd()) { |
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680 | ++nint; |
---|
681 | ++cyciter; |
---|
682 | } |
---|
683 | oss << setw(3) << std::right << nint << setw(3) << " x " << std::left |
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684 | << setw(6) << formatSec(rec.asFloat("INTERVAL")) << endl; |
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685 | |
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686 | TableIterator biter(subt, "BEAMNO"); |
---|
687 | while (!biter.pastEnd()) { |
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688 | Table bsubt = biter.table(); |
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689 | ROTableRow brow(bsubt); |
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690 | MDirection::ROScalarColumn bdirCol(bsubt,"DIRECTION"); |
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691 | const TableRecord& brec = brow.get(0); |
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692 | oss << setw(6) << "" << setw(10) << brec.asuInt("BEAMNO"); |
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693 | oss << setw(24) << formatDirection(bdirCol(0)) << endl; |
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694 | TableIterator iiter(bsubt, "IFNO"); |
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695 | while (!iiter.pastEnd()) { |
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696 | Table isubt = iiter.table(); |
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697 | ROTableRow irow(isubt); |
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698 | const TableRecord& irec = irow.get(0); |
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699 | oss << std::right <<setw(8) << "" << std::left << irec.asuInt("IFNO"); |
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700 | oss << frequencies().print(irec.asuInt("FREQ_ID")); |
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701 | |
---|
702 | ++iiter; |
---|
703 | } |
---|
704 | ++biter; |
---|
705 | } |
---|
706 | ++iter; |
---|
707 | } |
---|
708 | /// @todo implement verbose mode |
---|
709 | return String(oss); |
---|
710 | } |
---|
711 | |
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712 | std::string Scantable::getTime(int whichrow, bool showdate) const |
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713 | { |
---|
714 | MEpoch::ROScalarColumn timeCol(table_, "TIME"); |
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715 | MEpoch me; |
---|
716 | if (whichrow > -1) { |
---|
717 | me = timeCol(uInt(whichrow)); |
---|
718 | } else { |
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719 | Double tm; |
---|
720 | table_.keywordSet().get("UTC",tm); |
---|
721 | me = MEpoch(MVEpoch(tm)); |
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722 | } |
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723 | return formatTime(me, showdate); |
---|
724 | } |
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725 | |
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726 | }//namespace asap |
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