1 | // |
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2 | // C++ Implementation: STCalTsysTable |
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3 | // |
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4 | // Description: |
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5 | // |
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6 | // |
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7 | // Author: Takeshi Nakazato <takeshi.nakazato@nao.ac.jp> (C) 2012 |
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8 | // |
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9 | // Copyright: See COPYING file that comes with this distribution |
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10 | // |
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11 | // |
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12 | #include <assert.h> |
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13 | |
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14 | #include <casa/Exceptions/Error.h> |
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15 | #include <casa/Utilities/Assert.h> |
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16 | #include <tables/Tables/TableDesc.h> |
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17 | #include <tables/Tables/SetupNewTab.h> |
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18 | #include <tables/Tables/ArrColDesc.h> |
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19 | #include <tables/Tables/ScaColDesc.h> |
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20 | #include <tables/Tables/TableRecord.h> |
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21 | #include <tables/Tables/TableIter.h> |
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22 | #include <measures/TableMeasures/TableMeasDesc.h> |
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23 | #include <measures/TableMeasures/TableMeasRefDesc.h> |
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24 | #include <measures/TableMeasures/TableMeasValueDesc.h> |
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25 | |
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26 | #include "Scantable.h" |
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27 | #include "STCalTsysTable.h" |
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28 | |
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29 | |
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30 | using namespace casacore; |
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31 | |
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32 | namespace asap { |
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33 | |
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34 | const String STCalTsysTable::name_ = "APPLY_TSYS"; |
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35 | |
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36 | STCalTsysTable::STCalTsysTable(const Scantable& parent) |
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37 | : STApplyTable(parent, name_) |
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38 | { |
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39 | setup(); |
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40 | } |
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41 | |
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42 | STCalTsysTable::STCalTsysTable(const String &name) |
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43 | : STApplyTable(name) |
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44 | { |
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45 | if (!table_.tableDesc().isColumn("FLAGTRA")) { |
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46 | LogIO os(LogOrigin("STCalTsysTable", "STCalTsysTable", WHERE)); |
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47 | os << "Adding FLAGTRA column to " << name << " with initial value of 0 (all data valid)." << LogIO::POST; |
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48 | table_.addColumn(ArrayColumnDesc<uChar>("FLAGTRA")); |
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49 | TableIterator iter(table_, "IFNO"); |
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50 | while (!iter.pastEnd()) { |
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51 | Table t = iter.table(); |
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52 | ArrayColumn<Float> tsysCol(t, "TSYS"); |
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53 | IPosition shape(2, tsysCol.shape(0)[0], t.nrow()); |
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54 | ArrayColumn<uChar> flagtraCol(t, "FLAGTRA"); |
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55 | Array<uChar> flagtra(shape, (uChar)0); |
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56 | flagtraCol.putColumn(flagtra); |
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57 | iter.next(); |
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58 | } |
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59 | } |
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60 | |
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61 | attachOptionalColumns(); |
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62 | } |
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63 | |
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64 | STCalTsysTable::~STCalTsysTable() |
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65 | { |
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66 | } |
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67 | |
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68 | void STCalTsysTable::setup() |
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69 | { |
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70 | table_.addColumn(ArrayColumnDesc<Float>("TSYS")); |
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71 | table_.addColumn(ArrayColumnDesc<uChar>("FLAGTRA")); |
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72 | table_.addColumn(ScalarColumnDesc<Float>("ELEVATION")); |
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73 | |
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74 | table_.rwKeywordSet().define("ApplyType", "CALTSYS"); |
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75 | |
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76 | attachOptionalColumns(); |
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77 | } |
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78 | |
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79 | void STCalTsysTable::attachOptionalColumns() |
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80 | { |
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81 | tsysCol_.attach(table_, "TSYS"); |
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82 | flagtraCol_.attach(table_, "FLAGTRA"); |
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83 | elCol_.attach(table_,"ELEVATION"); |
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84 | |
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85 | } |
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86 | |
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87 | void STCalTsysTable::setdata(uInt irow, uInt scanno, uInt cycleno, |
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88 | uInt beamno, uInt ifno, uInt polno, uInt freqid, |
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89 | Double time, Float elevation, |
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90 | const Vector<Float> &tsys, |
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91 | const Vector<uChar> &flagtra) |
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92 | { |
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93 | if (irow >= (uInt)nrow()) { |
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94 | throw AipsError("row index out of range"); |
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95 | } |
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96 | |
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97 | if (!sel_.empty()) { |
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98 | os_.origin(LogOrigin("STCalTsysTable","setdata",WHERE)); |
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99 | os_ << LogIO::WARN << "Data selection is effective. Specified row index may be wrong." << LogIO::POST; |
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100 | } |
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101 | |
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102 | setbasedata(irow, scanno, cycleno, beamno, ifno, polno, freqid, time); |
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103 | elCol_.put(irow, elevation); |
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104 | tsysCol_.put(irow, tsys); |
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105 | flagtraCol_.put(irow, flagtra); |
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106 | } |
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107 | |
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108 | void STCalTsysTable::appenddata(uInt scanno, uInt cycleno, |
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109 | uInt beamno, uInt ifno, uInt polno, uInt freqid, |
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110 | Double time, Float elevation, |
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111 | const Vector<Float> &tsys, |
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112 | const Vector<uChar> &flagtra) |
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113 | { |
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114 | uInt irow = nrow(); |
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115 | table_.addRow(1, True); |
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116 | setdata(irow, scanno, cycleno, beamno, ifno, polno, freqid, time, elevation, |
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117 | tsys, flagtra); |
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118 | } |
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119 | |
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120 | uInt STCalTsysTable::nchan(uInt ifno) |
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121 | { |
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122 | STSelector org = sel_; |
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123 | STSelector sel; |
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124 | sel.setIFs(vector<int>(1,(int)ifno)); |
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125 | setSelection(sel); |
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126 | uInt n = tsysCol_(0).nelements(); |
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127 | unsetSelection(); |
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128 | if (!org.empty()) |
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129 | setSelection(org); |
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130 | return n; |
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131 | } |
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132 | |
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133 | Vector<Double> STCalTsysTable::getBaseFrequency(uInt whichrow) |
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134 | { |
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135 | //assert(whichrow < nrow()); |
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136 | assert_<AipsError>(whichrow < nrow(), "row index out of range."); |
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137 | uInt freqid = freqidCol_(whichrow); |
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138 | uInt nc = tsysCol_(whichrow).nelements(); |
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139 | Block<Double> f = getFrequenciesRow(freqid); |
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140 | Vector<Double> freqs(nc); |
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141 | indgen(freqs, f[1]-f[0]*f[2], f[2]); |
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142 | return freqs; |
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143 | } |
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144 | } |
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