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 | #include <fstream> |
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14 | |
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15 | #include <casa/aips.h> |
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16 | #include <casa/iostream.h> |
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17 | #include <casa/iomanip.h> |
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18 | #include <casa/OS/Path.h> |
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19 | #include <casa/OS/File.h> |
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20 | #include <casa/Arrays/Array.h> |
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21 | #include <casa/Arrays/ArrayMath.h> |
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22 | #include <casa/Arrays/MaskArrMath.h> |
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23 | #include <casa/Arrays/ArrayLogical.h> |
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24 | #include <casa/Arrays/ArrayAccessor.h> |
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25 | #include <casa/Arrays/Vector.h> |
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26 | #include <casa/Arrays/VectorSTLIterator.h> |
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27 | #include <casa/Arrays/Slice.h> |
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28 | #include <casa/BasicMath/Math.h> |
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29 | #include <casa/BasicSL/Constants.h> |
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30 | #include <casa/Quanta/MVAngle.h> |
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31 | #include <casa/Containers/RecordField.h> |
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32 | #include <casa/Utilities/GenSort.h> |
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33 | #include <casa/Logging/LogIO.h> |
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34 | |
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35 | #include <tables/Tables/TableParse.h> |
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36 | #include <tables/Tables/TableDesc.h> |
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37 | #include <tables/Tables/TableCopy.h> |
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38 | #include <tables/Tables/SetupNewTab.h> |
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39 | #include <tables/Tables/ScaColDesc.h> |
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40 | #include <tables/Tables/ArrColDesc.h> |
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41 | #include <tables/Tables/TableRow.h> |
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42 | #include <tables/Tables/TableVector.h> |
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43 | #include <tables/Tables/TableIter.h> |
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44 | |
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45 | #include <tables/Tables/ExprNode.h> |
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46 | #include <tables/Tables/TableRecord.h> |
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47 | #include <casa/Quanta/MVTime.h> |
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48 | #include <casa/Quanta/MVAngle.h> |
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49 | #include <measures/Measures/MeasRef.h> |
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50 | #include <measures/Measures/MeasTable.h> |
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51 | // needed to avoid error in .tcc |
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52 | #include <measures/Measures/MCDirection.h> |
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53 | // |
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54 | #include <measures/Measures/MDirection.h> |
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55 | #include <measures/Measures/MFrequency.h> |
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56 | #include <measures/Measures/MEpoch.h> |
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57 | #include <measures/TableMeasures/TableMeasRefDesc.h> |
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58 | #include <measures/TableMeasures/TableMeasValueDesc.h> |
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59 | #include <measures/TableMeasures/TableMeasDesc.h> |
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60 | #include <measures/TableMeasures/ScalarMeasColumn.h> |
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61 | #include <coordinates/Coordinates/CoordinateUtil.h> |
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62 | |
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63 | #include "Scantable.h" |
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64 | #include "STPolLinear.h" |
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65 | #include "STPolCircular.h" |
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66 | #include "STPolStokes.h" |
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67 | #include "STAttr.h" |
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68 | #include "MathUtils.h" |
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69 | |
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70 | using namespace casa; |
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71 | |
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72 | namespace asap { |
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73 | |
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74 | std::map<std::string, STPol::STPolFactory *> Scantable::factories_; |
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75 | |
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76 | void Scantable::initFactories() { |
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77 | if ( factories_.empty() ) { |
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78 | Scantable::factories_["linear"] = &STPolLinear::myFactory; |
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79 | Scantable::factories_["circular"] = &STPolCircular::myFactory; |
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80 | Scantable::factories_["stokes"] = &STPolStokes::myFactory; |
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81 | } |
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82 | } |
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83 | |
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84 | Scantable::Scantable(Table::TableType ttype) : |
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85 | type_(ttype) |
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86 | { |
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87 | initFactories(); |
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88 | setupMainTable(); |
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89 | freqTable_ = STFrequencies(*this); |
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90 | table_.rwKeywordSet().defineTable("FREQUENCIES", freqTable_.table()); |
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91 | weatherTable_ = STWeather(*this); |
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92 | table_.rwKeywordSet().defineTable("WEATHER", weatherTable_.table()); |
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93 | focusTable_ = STFocus(*this); |
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94 | table_.rwKeywordSet().defineTable("FOCUS", focusTable_.table()); |
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95 | tcalTable_ = STTcal(*this); |
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96 | table_.rwKeywordSet().defineTable("TCAL", tcalTable_.table()); |
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97 | moleculeTable_ = STMolecules(*this); |
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98 | table_.rwKeywordSet().defineTable("MOLECULES", moleculeTable_.table()); |
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99 | historyTable_ = STHistory(*this); |
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100 | table_.rwKeywordSet().defineTable("HISTORY", historyTable_.table()); |
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101 | fitTable_ = STFit(*this); |
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102 | table_.rwKeywordSet().defineTable("FIT", fitTable_.table()); |
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103 | originalTable_ = table_; |
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104 | attach(); |
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105 | } |
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106 | |
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107 | Scantable::Scantable(const std::string& name, Table::TableType ttype) : |
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108 | type_(ttype) |
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109 | { |
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110 | initFactories(); |
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111 | |
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112 | Table tab(name, Table::Update); |
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113 | uInt version = tab.keywordSet().asuInt("VERSION"); |
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114 | if (version != version_) { |
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115 | throw(AipsError("Unsupported version of ASAP file.")); |
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116 | } |
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117 | if ( type_ == Table::Memory ) { |
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118 | table_ = tab.copyToMemoryTable(generateName()); |
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119 | } else { |
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120 | table_ = tab; |
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121 | } |
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122 | |
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123 | attachSubtables(); |
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124 | originalTable_ = table_; |
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125 | attach(); |
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126 | } |
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127 | /* |
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128 | Scantable::Scantable(const std::string& name, Table::TableType ttype) : |
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129 | type_(ttype) |
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130 | { |
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131 | initFactories(); |
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132 | Table tab(name, Table::Update); |
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133 | uInt version = tab.keywordSet().asuInt("VERSION"); |
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134 | if (version != version_) { |
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135 | throw(AipsError("Unsupported version of ASAP file.")); |
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136 | } |
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137 | if ( type_ == Table::Memory ) { |
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138 | table_ = tab.copyToMemoryTable(generateName()); |
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139 | } else { |
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140 | table_ = tab; |
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141 | } |
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142 | |
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143 | attachSubtables(); |
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144 | originalTable_ = table_; |
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145 | attach(); |
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146 | } |
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147 | */ |
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148 | |
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149 | Scantable::Scantable( const Scantable& other, bool clear ) |
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150 | { |
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151 | // with or without data |
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152 | String newname = String(generateName()); |
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153 | type_ = other.table_.tableType(); |
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154 | if ( other.table_.tableType() == Table::Memory ) { |
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155 | if ( clear ) { |
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156 | table_ = TableCopy::makeEmptyMemoryTable(newname, |
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157 | other.table_, True); |
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158 | } else |
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159 | table_ = other.table_.copyToMemoryTable(newname); |
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160 | } else { |
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161 | other.table_.deepCopy(newname, Table::New, False, |
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162 | other.table_.endianFormat(), |
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163 | Bool(clear)); |
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164 | table_ = Table(newname, Table::Update); |
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165 | table_.markForDelete(); |
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166 | } |
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167 | /// @todo reindex SCANNO, recompute nbeam, nif, npol |
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168 | if ( clear ) copySubtables(other); |
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169 | attachSubtables(); |
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170 | originalTable_ = table_; |
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171 | attach(); |
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172 | } |
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173 | |
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174 | void Scantable::copySubtables(const Scantable& other) { |
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175 | Table t = table_.rwKeywordSet().asTable("FREQUENCIES"); |
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176 | TableCopy::copyRows(t, other.freqTable_.table()); |
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177 | t = table_.rwKeywordSet().asTable("FOCUS"); |
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178 | TableCopy::copyRows(t, other.focusTable_.table()); |
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179 | t = table_.rwKeywordSet().asTable("WEATHER"); |
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180 | TableCopy::copyRows(t, other.weatherTable_.table()); |
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181 | t = table_.rwKeywordSet().asTable("TCAL"); |
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182 | TableCopy::copyRows(t, other.tcalTable_.table()); |
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183 | t = table_.rwKeywordSet().asTable("MOLECULES"); |
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184 | TableCopy::copyRows(t, other.moleculeTable_.table()); |
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185 | t = table_.rwKeywordSet().asTable("HISTORY"); |
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186 | TableCopy::copyRows(t, other.historyTable_.table()); |
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187 | t = table_.rwKeywordSet().asTable("FIT"); |
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188 | TableCopy::copyRows(t, other.fitTable_.table()); |
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189 | } |
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190 | |
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191 | void Scantable::attachSubtables() |
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192 | { |
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193 | freqTable_ = STFrequencies(table_); |
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194 | focusTable_ = STFocus(table_); |
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195 | weatherTable_ = STWeather(table_); |
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196 | tcalTable_ = STTcal(table_); |
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197 | moleculeTable_ = STMolecules(table_); |
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198 | historyTable_ = STHistory(table_); |
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199 | fitTable_ = STFit(table_); |
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200 | } |
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201 | |
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202 | Scantable::~Scantable() |
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203 | { |
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204 | //cout << "~Scantable() " << this << endl; |
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205 | } |
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206 | |
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207 | void Scantable::setupMainTable() |
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208 | { |
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209 | TableDesc td("", "1", TableDesc::Scratch); |
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210 | td.comment() = "An ASAP Scantable"; |
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211 | td.rwKeywordSet().define("VERSION", uInt(version_)); |
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212 | |
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213 | // n Cycles |
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214 | td.addColumn(ScalarColumnDesc<uInt>("SCANNO")); |
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215 | // new index every nBeam x nIF x nPol |
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216 | td.addColumn(ScalarColumnDesc<uInt>("CYCLENO")); |
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217 | |
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218 | td.addColumn(ScalarColumnDesc<uInt>("BEAMNO")); |
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219 | td.addColumn(ScalarColumnDesc<uInt>("IFNO")); |
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220 | // linear, circular, stokes |
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221 | td.rwKeywordSet().define("POLTYPE", String("linear")); |
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222 | td.addColumn(ScalarColumnDesc<uInt>("POLNO")); |
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223 | |
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224 | td.addColumn(ScalarColumnDesc<uInt>("FREQ_ID")); |
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225 | td.addColumn(ScalarColumnDesc<uInt>("MOLECULE_ID")); |
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226 | |
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227 | ScalarColumnDesc<Int> refbeamnoColumn("REFBEAMNO"); |
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228 | refbeamnoColumn.setDefault(Int(-1)); |
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229 | td.addColumn(refbeamnoColumn); |
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230 | |
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231 | ScalarColumnDesc<uInt> flagrowColumn("FLAGROW"); |
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232 | flagrowColumn.setDefault(uInt(0)); |
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233 | td.addColumn(flagrowColumn); |
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234 | |
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235 | td.addColumn(ScalarColumnDesc<Double>("TIME")); |
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236 | TableMeasRefDesc measRef(MEpoch::UTC); // UTC as default |
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237 | TableMeasValueDesc measVal(td, "TIME"); |
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238 | TableMeasDesc<MEpoch> mepochCol(measVal, measRef); |
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239 | mepochCol.write(td); |
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240 | |
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241 | td.addColumn(ScalarColumnDesc<Double>("INTERVAL")); |
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242 | |
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243 | td.addColumn(ScalarColumnDesc<String>("SRCNAME")); |
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244 | // Type of source (on=0, off=1, other=-1) |
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245 | ScalarColumnDesc<Int> stypeColumn("SRCTYPE"); |
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246 | stypeColumn.setDefault(Int(-1)); |
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247 | td.addColumn(stypeColumn); |
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248 | td.addColumn(ScalarColumnDesc<String>("FIELDNAME")); |
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249 | |
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250 | //The actual Data Vectors |
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251 | td.addColumn(ArrayColumnDesc<Float>("SPECTRA")); |
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252 | td.addColumn(ArrayColumnDesc<uChar>("FLAGTRA")); |
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253 | td.addColumn(ArrayColumnDesc<Float>("TSYS")); |
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254 | |
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255 | td.addColumn(ArrayColumnDesc<Double>("DIRECTION", |
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256 | IPosition(1,2), |
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257 | ColumnDesc::Direct)); |
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258 | TableMeasRefDesc mdirRef(MDirection::J2000); // default |
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259 | TableMeasValueDesc tmvdMDir(td, "DIRECTION"); |
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260 | // the TableMeasDesc gives the column a type |
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261 | TableMeasDesc<MDirection> mdirCol(tmvdMDir, mdirRef); |
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262 | // a uder set table type e.g. GALCTIC, B1950 ... |
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263 | td.rwKeywordSet().define("DIRECTIONREF", String("J2000")); |
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264 | // writing create the measure column |
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265 | mdirCol.write(td); |
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266 | td.addColumn(ScalarColumnDesc<Float>("AZIMUTH")); |
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267 | td.addColumn(ScalarColumnDesc<Float>("ELEVATION")); |
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268 | td.addColumn(ScalarColumnDesc<Float>("OPACITY")); |
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269 | |
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270 | td.addColumn(ScalarColumnDesc<uInt>("TCAL_ID")); |
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271 | ScalarColumnDesc<Int> fitColumn("FIT_ID"); |
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272 | fitColumn.setDefault(Int(-1)); |
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273 | td.addColumn(fitColumn); |
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274 | |
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275 | td.addColumn(ScalarColumnDesc<uInt>("FOCUS_ID")); |
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276 | td.addColumn(ScalarColumnDesc<uInt>("WEATHER_ID")); |
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277 | |
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278 | // columns which just get dragged along, as they aren't used in asap |
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279 | td.addColumn(ScalarColumnDesc<Double>("SRCVELOCITY")); |
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280 | td.addColumn(ArrayColumnDesc<Double>("SRCPROPERMOTION")); |
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281 | td.addColumn(ArrayColumnDesc<Double>("SRCDIRECTION")); |
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282 | td.addColumn(ArrayColumnDesc<Double>("SCANRATE")); |
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283 | |
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284 | td.rwKeywordSet().define("OBSMODE", String("")); |
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285 | |
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286 | // Now create Table SetUp from the description. |
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287 | SetupNewTable aNewTab(generateName(), td, Table::Scratch); |
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288 | table_ = Table(aNewTab, type_, 0); |
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289 | originalTable_ = table_; |
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290 | } |
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291 | |
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292 | void Scantable::attach() |
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293 | { |
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294 | timeCol_.attach(table_, "TIME"); |
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295 | srcnCol_.attach(table_, "SRCNAME"); |
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296 | srctCol_.attach(table_, "SRCTYPE"); |
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297 | specCol_.attach(table_, "SPECTRA"); |
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298 | flagsCol_.attach(table_, "FLAGTRA"); |
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299 | tsysCol_.attach(table_, "TSYS"); |
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300 | cycleCol_.attach(table_,"CYCLENO"); |
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301 | scanCol_.attach(table_, "SCANNO"); |
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302 | beamCol_.attach(table_, "BEAMNO"); |
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303 | ifCol_.attach(table_, "IFNO"); |
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304 | polCol_.attach(table_, "POLNO"); |
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305 | integrCol_.attach(table_, "INTERVAL"); |
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306 | azCol_.attach(table_, "AZIMUTH"); |
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307 | elCol_.attach(table_, "ELEVATION"); |
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308 | dirCol_.attach(table_, "DIRECTION"); |
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309 | fldnCol_.attach(table_, "FIELDNAME"); |
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310 | rbeamCol_.attach(table_, "REFBEAMNO"); |
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311 | |
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312 | mweatheridCol_.attach(table_,"WEATHER_ID"); |
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313 | mfitidCol_.attach(table_,"FIT_ID"); |
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314 | mfreqidCol_.attach(table_, "FREQ_ID"); |
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315 | mtcalidCol_.attach(table_, "TCAL_ID"); |
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316 | mfocusidCol_.attach(table_, "FOCUS_ID"); |
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317 | mmolidCol_.attach(table_, "MOLECULE_ID"); |
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318 | |
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319 | //Add auxiliary column for row-based flagging (CAS-1433 Wataru Kawasaki) |
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320 | attachAuxColumnDef(flagrowCol_, "FLAGROW", 0); |
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321 | |
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322 | } |
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323 | |
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324 | template<class T, class T2> |
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325 | void Scantable::attachAuxColumnDef(ScalarColumn<T>& col, |
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326 | const String& colName, |
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327 | const T2& defValue) |
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328 | { |
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329 | try { |
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330 | col.attach(table_, colName); |
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331 | } catch (TableError& err) { |
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332 | String errMesg = err.getMesg(); |
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333 | if (errMesg == "Table column " + colName + " is unknown") { |
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334 | table_.addColumn(ScalarColumnDesc<T>(colName)); |
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335 | col.attach(table_, colName); |
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336 | col.fillColumn(static_cast<T>(defValue)); |
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337 | } else { |
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338 | throw; |
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339 | } |
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340 | } catch (...) { |
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341 | throw; |
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342 | } |
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343 | } |
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344 | |
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345 | template<class T, class T2> |
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346 | void Scantable::attachAuxColumnDef(ArrayColumn<T>& col, |
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347 | const String& colName, |
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348 | const Array<T2>& defValue) |
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349 | { |
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350 | try { |
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351 | col.attach(table_, colName); |
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352 | } catch (TableError& err) { |
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353 | String errMesg = err.getMesg(); |
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354 | if (errMesg == "Table column " + colName + " is unknown") { |
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355 | table_.addColumn(ArrayColumnDesc<T>(colName)); |
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356 | col.attach(table_, colName); |
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357 | |
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358 | int size = 0; |
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359 | ArrayIterator<T2>& it = defValue.begin(); |
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360 | while (it != defValue.end()) { |
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361 | ++size; |
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362 | ++it; |
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363 | } |
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364 | IPosition ip(1, size); |
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365 | Array<T>& arr(ip); |
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366 | for (int i = 0; i < size; ++i) |
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367 | arr[i] = static_cast<T>(defValue[i]); |
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368 | |
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369 | col.fillColumn(arr); |
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370 | } else { |
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371 | throw; |
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372 | } |
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373 | } catch (...) { |
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374 | throw; |
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375 | } |
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376 | } |
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377 | |
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378 | void Scantable::setHeader(const STHeader& sdh) |
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379 | { |
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380 | table_.rwKeywordSet().define("nIF", sdh.nif); |
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381 | table_.rwKeywordSet().define("nBeam", sdh.nbeam); |
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382 | table_.rwKeywordSet().define("nPol", sdh.npol); |
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383 | table_.rwKeywordSet().define("nChan", sdh.nchan); |
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384 | table_.rwKeywordSet().define("Observer", sdh.observer); |
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385 | table_.rwKeywordSet().define("Project", sdh.project); |
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386 | table_.rwKeywordSet().define("Obstype", sdh.obstype); |
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387 | table_.rwKeywordSet().define("AntennaName", sdh.antennaname); |
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388 | table_.rwKeywordSet().define("AntennaPosition", sdh.antennaposition); |
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389 | table_.rwKeywordSet().define("Equinox", sdh.equinox); |
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390 | table_.rwKeywordSet().define("FreqRefFrame", sdh.freqref); |
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391 | table_.rwKeywordSet().define("FreqRefVal", sdh.reffreq); |
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392 | table_.rwKeywordSet().define("Bandwidth", sdh.bandwidth); |
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393 | table_.rwKeywordSet().define("UTC", sdh.utc); |
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394 | table_.rwKeywordSet().define("FluxUnit", sdh.fluxunit); |
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395 | table_.rwKeywordSet().define("Epoch", sdh.epoch); |
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396 | table_.rwKeywordSet().define("POLTYPE", sdh.poltype); |
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397 | } |
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398 | |
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399 | STHeader Scantable::getHeader() const |
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400 | { |
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401 | STHeader sdh; |
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402 | table_.keywordSet().get("nBeam",sdh.nbeam); |
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403 | table_.keywordSet().get("nIF",sdh.nif); |
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404 | table_.keywordSet().get("nPol",sdh.npol); |
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405 | table_.keywordSet().get("nChan",sdh.nchan); |
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406 | table_.keywordSet().get("Observer", sdh.observer); |
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407 | table_.keywordSet().get("Project", sdh.project); |
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408 | table_.keywordSet().get("Obstype", sdh.obstype); |
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409 | table_.keywordSet().get("AntennaName", sdh.antennaname); |
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410 | table_.keywordSet().get("AntennaPosition", sdh.antennaposition); |
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411 | table_.keywordSet().get("Equinox", sdh.equinox); |
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412 | table_.keywordSet().get("FreqRefFrame", sdh.freqref); |
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413 | table_.keywordSet().get("FreqRefVal", sdh.reffreq); |
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414 | table_.keywordSet().get("Bandwidth", sdh.bandwidth); |
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415 | table_.keywordSet().get("UTC", sdh.utc); |
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416 | table_.keywordSet().get("FluxUnit", sdh.fluxunit); |
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417 | table_.keywordSet().get("Epoch", sdh.epoch); |
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418 | table_.keywordSet().get("POLTYPE", sdh.poltype); |
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419 | return sdh; |
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420 | } |
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421 | |
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422 | void Scantable::setSourceType( int stype ) |
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423 | { |
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424 | if ( stype < 0 || stype > 1 ) |
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425 | throw(AipsError("Illegal sourcetype.")); |
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426 | TableVector<Int> tabvec(table_, "SRCTYPE"); |
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427 | tabvec = Int(stype); |
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428 | } |
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429 | |
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430 | bool Scantable::conformant( const Scantable& other ) |
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431 | { |
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432 | return this->getHeader().conformant(other.getHeader()); |
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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 | std::string Scantable::formatSec(Double x) const |
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438 | { |
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439 | Double xcop = x; |
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440 | MVTime mvt(xcop/24./3600.); // make days |
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441 | |
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442 | if (x < 59.95) |
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443 | return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_HM, 7)+"s"; |
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444 | else if (x < 3599.95) |
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445 | return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_H,7)+" "; |
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446 | else { |
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447 | ostringstream oss; |
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448 | oss << setw(2) << std::right << setprecision(1) << mvt.hour(); |
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449 | oss << ":" << mvt.string(MVTime::TIME_CLEAN_NO_H,7) << " "; |
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450 | return String(oss); |
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451 | } |
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452 | }; |
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453 | |
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454 | std::string Scantable::formatDirection(const MDirection& md) const |
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455 | { |
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456 | Vector<Double> t = md.getAngle(Unit(String("rad"))).getValue(); |
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457 | Int prec = 7; |
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458 | |
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459 | MVAngle mvLon(t[0]); |
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460 | String sLon = mvLon.string(MVAngle::TIME,prec); |
---|
461 | uInt tp = md.getRef().getType(); |
---|
462 | if (tp == MDirection::GALACTIC || |
---|
463 | tp == MDirection::SUPERGAL ) { |
---|
464 | sLon = mvLon(0.0).string(MVAngle::ANGLE_CLEAN,prec); |
---|
465 | } |
---|
466 | MVAngle mvLat(t[1]); |
---|
467 | String sLat = mvLat.string(MVAngle::ANGLE+MVAngle::DIG2,prec); |
---|
468 | return sLon + String(" ") + sLat; |
---|
469 | } |
---|
470 | |
---|
471 | |
---|
472 | std::string Scantable::getFluxUnit() const |
---|
473 | { |
---|
474 | return table_.keywordSet().asString("FluxUnit"); |
---|
475 | } |
---|
476 | |
---|
477 | void Scantable::setFluxUnit(const std::string& unit) |
---|
478 | { |
---|
479 | String tmp(unit); |
---|
480 | Unit tU(tmp); |
---|
481 | if (tU==Unit("K") || tU==Unit("Jy")) { |
---|
482 | table_.rwKeywordSet().define(String("FluxUnit"), tmp); |
---|
483 | } else { |
---|
484 | throw AipsError("Illegal unit - must be compatible with Jy or K"); |
---|
485 | } |
---|
486 | } |
---|
487 | |
---|
488 | void Scantable::setInstrument(const std::string& name) |
---|
489 | { |
---|
490 | bool throwIt = true; |
---|
491 | // create an Instrument to see if this is valid |
---|
492 | STAttr::convertInstrument(name, throwIt); |
---|
493 | String nameU(name); |
---|
494 | nameU.upcase(); |
---|
495 | table_.rwKeywordSet().define(String("AntennaName"), nameU); |
---|
496 | } |
---|
497 | |
---|
498 | void Scantable::setFeedType(const std::string& feedtype) |
---|
499 | { |
---|
500 | if ( Scantable::factories_.find(feedtype) == Scantable::factories_.end() ) { |
---|
501 | std::string msg = "Illegal feed type "+ feedtype; |
---|
502 | throw(casa::AipsError(msg)); |
---|
503 | } |
---|
504 | table_.rwKeywordSet().define(String("POLTYPE"), feedtype); |
---|
505 | } |
---|
506 | |
---|
507 | MPosition Scantable::getAntennaPosition() const |
---|
508 | { |
---|
509 | Vector<Double> antpos; |
---|
510 | table_.keywordSet().get("AntennaPosition", antpos); |
---|
511 | MVPosition mvpos(antpos(0),antpos(1),antpos(2)); |
---|
512 | return MPosition(mvpos); |
---|
513 | } |
---|
514 | |
---|
515 | void Scantable::makePersistent(const std::string& filename) |
---|
516 | { |
---|
517 | String inname(filename); |
---|
518 | Path path(inname); |
---|
519 | /// @todo reindex SCANNO, recompute nbeam, nif, npol |
---|
520 | inname = path.expandedName(); |
---|
521 | // WORKAROUND !!! for Table bug |
---|
522 | // Remove when fixed in casacore |
---|
523 | if ( table_.tableType() == Table::Memory && !selector_.empty() ) { |
---|
524 | Table tab = table_.copyToMemoryTable(generateName()); |
---|
525 | tab.deepCopy(inname, Table::New); |
---|
526 | tab.markForDelete(); |
---|
527 | |
---|
528 | } else { |
---|
529 | table_.deepCopy(inname, Table::New); |
---|
530 | } |
---|
531 | } |
---|
532 | |
---|
533 | int Scantable::nbeam( int scanno ) const |
---|
534 | { |
---|
535 | if ( scanno < 0 ) { |
---|
536 | Int n; |
---|
537 | table_.keywordSet().get("nBeam",n); |
---|
538 | return int(n); |
---|
539 | } else { |
---|
540 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
---|
541 | Table t = table_(table_.col("SCANNO") == scanno); |
---|
542 | ROTableRow row(t); |
---|
543 | const TableRecord& rec = row.get(0); |
---|
544 | Table subt = t( t.col("IFNO") == Int(rec.asuInt("IFNO")) |
---|
545 | && t.col("POLNO") == Int(rec.asuInt("POLNO")) |
---|
546 | && t.col("CYCLENO") == Int(rec.asuInt("CYCLENO")) ); |
---|
547 | ROTableVector<uInt> v(subt, "BEAMNO"); |
---|
548 | return int(v.nelements()); |
---|
549 | } |
---|
550 | return 0; |
---|
551 | } |
---|
552 | |
---|
553 | int Scantable::nif( int scanno ) const |
---|
554 | { |
---|
555 | if ( scanno < 0 ) { |
---|
556 | Int n; |
---|
557 | table_.keywordSet().get("nIF",n); |
---|
558 | return int(n); |
---|
559 | } else { |
---|
560 | // take the first POLNO,BEAMNO,CYCLENO as nbeam shouldn't vary with these |
---|
561 | Table t = table_(table_.col("SCANNO") == scanno); |
---|
562 | ROTableRow row(t); |
---|
563 | const TableRecord& rec = row.get(0); |
---|
564 | Table subt = t( t.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
565 | && t.col("POLNO") == Int(rec.asuInt("POLNO")) |
---|
566 | && t.col("CYCLENO") == Int(rec.asuInt("CYCLENO")) ); |
---|
567 | if ( subt.nrow() == 0 ) return 0; |
---|
568 | ROTableVector<uInt> v(subt, "IFNO"); |
---|
569 | return int(v.nelements()); |
---|
570 | } |
---|
571 | return 0; |
---|
572 | } |
---|
573 | |
---|
574 | int Scantable::npol( int scanno ) const |
---|
575 | { |
---|
576 | if ( scanno < 0 ) { |
---|
577 | Int n; |
---|
578 | table_.keywordSet().get("nPol",n); |
---|
579 | return n; |
---|
580 | } else { |
---|
581 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
---|
582 | Table t = table_(table_.col("SCANNO") == scanno); |
---|
583 | ROTableRow row(t); |
---|
584 | const TableRecord& rec = row.get(0); |
---|
585 | Table subt = t( t.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
586 | && t.col("IFNO") == Int(rec.asuInt("IFNO")) |
---|
587 | && t.col("CYCLENO") == Int(rec.asuInt("CYCLENO")) ); |
---|
588 | if ( subt.nrow() == 0 ) return 0; |
---|
589 | ROTableVector<uInt> v(subt, "POLNO"); |
---|
590 | return int(v.nelements()); |
---|
591 | } |
---|
592 | return 0; |
---|
593 | } |
---|
594 | |
---|
595 | int Scantable::ncycle( int scanno ) const |
---|
596 | { |
---|
597 | if ( scanno < 0 ) { |
---|
598 | Block<String> cols(2); |
---|
599 | cols[0] = "SCANNO"; |
---|
600 | cols[1] = "CYCLENO"; |
---|
601 | TableIterator it(table_, cols); |
---|
602 | int n = 0; |
---|
603 | while ( !it.pastEnd() ) { |
---|
604 | ++n; |
---|
605 | ++it; |
---|
606 | } |
---|
607 | return n; |
---|
608 | } else { |
---|
609 | Table t = table_(table_.col("SCANNO") == scanno); |
---|
610 | ROTableRow row(t); |
---|
611 | const TableRecord& rec = row.get(0); |
---|
612 | Table subt = t( t.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
613 | && t.col("POLNO") == Int(rec.asuInt("POLNO")) |
---|
614 | && t.col("IFNO") == Int(rec.asuInt("IFNO")) ); |
---|
615 | if ( subt.nrow() == 0 ) return 0; |
---|
616 | return int(subt.nrow()); |
---|
617 | } |
---|
618 | return 0; |
---|
619 | } |
---|
620 | |
---|
621 | |
---|
622 | int Scantable::nrow( int scanno ) const |
---|
623 | { |
---|
624 | return int(table_.nrow()); |
---|
625 | } |
---|
626 | |
---|
627 | int Scantable::nchan( int ifno ) const |
---|
628 | { |
---|
629 | if ( ifno < 0 ) { |
---|
630 | Int n; |
---|
631 | table_.keywordSet().get("nChan",n); |
---|
632 | return int(n); |
---|
633 | } else { |
---|
634 | // take the first SCANNO,POLNO,BEAMNO,CYCLENO as nbeam shouldn't |
---|
635 | // vary with these |
---|
636 | Table t = table_(table_.col("IFNO") == ifno); |
---|
637 | if ( t.nrow() == 0 ) return 0; |
---|
638 | ROArrayColumn<Float> v(t, "SPECTRA"); |
---|
639 | return v.shape(0)(0); |
---|
640 | } |
---|
641 | return 0; |
---|
642 | } |
---|
643 | |
---|
644 | int Scantable::nscan() const { |
---|
645 | Vector<uInt> scannos(scanCol_.getColumn()); |
---|
646 | uInt nout = genSort( scannos, Sort::Ascending, |
---|
647 | Sort::QuickSort|Sort::NoDuplicates ); |
---|
648 | return int(nout); |
---|
649 | } |
---|
650 | |
---|
651 | int Scantable::getChannels(int whichrow) const |
---|
652 | { |
---|
653 | return specCol_.shape(whichrow)(0); |
---|
654 | } |
---|
655 | |
---|
656 | int Scantable::getBeam(int whichrow) const |
---|
657 | { |
---|
658 | return beamCol_(whichrow); |
---|
659 | } |
---|
660 | |
---|
661 | std::vector<uint> Scantable::getNumbers(const ScalarColumn<uInt>& col) const |
---|
662 | { |
---|
663 | Vector<uInt> nos(col.getColumn()); |
---|
664 | uInt n = genSort( nos, Sort::Ascending, Sort::QuickSort|Sort::NoDuplicates ); |
---|
665 | nos.resize(n, True); |
---|
666 | std::vector<uint> stlout; |
---|
667 | nos.tovector(stlout); |
---|
668 | return stlout; |
---|
669 | } |
---|
670 | |
---|
671 | int Scantable::getIF(int whichrow) const |
---|
672 | { |
---|
673 | return ifCol_(whichrow); |
---|
674 | } |
---|
675 | |
---|
676 | int Scantable::getPol(int whichrow) const |
---|
677 | { |
---|
678 | return polCol_(whichrow); |
---|
679 | } |
---|
680 | |
---|
681 | std::string Scantable::formatTime(const MEpoch& me, bool showdate) const |
---|
682 | { |
---|
683 | MVTime mvt(me.getValue()); |
---|
684 | if (showdate) |
---|
685 | mvt.setFormat(MVTime::YMD); |
---|
686 | else |
---|
687 | mvt.setFormat(MVTime::TIME); |
---|
688 | ostringstream oss; |
---|
689 | oss << mvt; |
---|
690 | return String(oss); |
---|
691 | } |
---|
692 | |
---|
693 | void Scantable::calculateAZEL() |
---|
694 | { |
---|
695 | MPosition mp = getAntennaPosition(); |
---|
696 | MEpoch::ROScalarColumn timeCol(table_, "TIME"); |
---|
697 | ostringstream oss; |
---|
698 | oss << "Computed azimuth/elevation using " << endl |
---|
699 | << mp << endl; |
---|
700 | for (Int i=0; i<nrow(); ++i) { |
---|
701 | MEpoch me = timeCol(i); |
---|
702 | MDirection md = getDirection(i); |
---|
703 | oss << " Time: " << formatTime(me,False) << " Direction: " << formatDirection(md) |
---|
704 | << endl << " => "; |
---|
705 | MeasFrame frame(mp, me); |
---|
706 | Vector<Double> azel = |
---|
707 | MDirection::Convert(md, MDirection::Ref(MDirection::AZEL, |
---|
708 | frame) |
---|
709 | )().getAngle("rad").getValue(); |
---|
710 | azCol_.put(i,Float(azel[0])); |
---|
711 | elCol_.put(i,Float(azel[1])); |
---|
712 | oss << "azel: " << azel[0]/C::pi*180.0 << " " |
---|
713 | << azel[1]/C::pi*180.0 << " (deg)" << endl; |
---|
714 | } |
---|
715 | pushLog(String(oss)); |
---|
716 | } |
---|
717 | |
---|
718 | void Scantable::clip(const Float uthres, const Float dthres, bool clipoutside, bool unflag) |
---|
719 | { |
---|
720 | for (uInt i=0; i<table_.nrow(); ++i) { |
---|
721 | Vector<uChar> flgs = flagsCol_(i); |
---|
722 | srchChannelsToClip(i, uthres, dthres, clipoutside, unflag, flgs); |
---|
723 | flagsCol_.put(i, flgs); |
---|
724 | } |
---|
725 | } |
---|
726 | |
---|
727 | std::vector<bool> Scantable::getClipMask(int whichrow, const Float uthres, const Float dthres, bool clipoutside, bool unflag) |
---|
728 | { |
---|
729 | Vector<uChar> flags; |
---|
730 | flagsCol_.get(uInt(whichrow), flags); |
---|
731 | srchChannelsToClip(uInt(whichrow), uthres, dthres, clipoutside, unflag, flags); |
---|
732 | Vector<Bool> bflag(flags.shape()); |
---|
733 | convertArray(bflag, flags); |
---|
734 | //bflag = !bflag; |
---|
735 | |
---|
736 | std::vector<bool> mask; |
---|
737 | bflag.tovector(mask); |
---|
738 | return mask; |
---|
739 | } |
---|
740 | |
---|
741 | void Scantable::srchChannelsToClip(uInt whichrow, const Float uthres, const Float dthres, bool clipoutside, bool unflag, |
---|
742 | Vector<uChar> flgs) |
---|
743 | { |
---|
744 | Vector<Float> spcs = specCol_(whichrow); |
---|
745 | uInt nchannel = nchan(); |
---|
746 | if (spcs.nelements() != nchannel) { |
---|
747 | throw(AipsError("Data has incorrect number of channels")); |
---|
748 | } |
---|
749 | uChar userflag = 1 << 7; |
---|
750 | if (unflag) { |
---|
751 | userflag = 0 << 7; |
---|
752 | } |
---|
753 | if (clipoutside) { |
---|
754 | for (uInt j = 0; j < nchannel; ++j) { |
---|
755 | Float spc = spcs(j); |
---|
756 | if ((spc >= uthres) || (spc <= dthres)) { |
---|
757 | flgs(j) = userflag; |
---|
758 | } |
---|
759 | } |
---|
760 | } else { |
---|
761 | for (uInt j = 0; j < nchannel; ++j) { |
---|
762 | Float spc = spcs(j); |
---|
763 | if ((spc < uthres) && (spc > dthres)) { |
---|
764 | flgs(j) = userflag; |
---|
765 | } |
---|
766 | } |
---|
767 | } |
---|
768 | } |
---|
769 | |
---|
770 | void Scantable::flag(const std::vector<bool>& msk, bool unflag) |
---|
771 | { |
---|
772 | std::vector<bool>::const_iterator it; |
---|
773 | uInt ntrue = 0; |
---|
774 | for (it = msk.begin(); it != msk.end(); ++it) { |
---|
775 | if ( *it ) { |
---|
776 | ntrue++; |
---|
777 | } |
---|
778 | } |
---|
779 | if ( selector_.empty() && (msk.size() == 0 || msk.size() == ntrue) ) |
---|
780 | throw(AipsError("Trying to flag whole scantable.")); |
---|
781 | if ( msk.size() == 0 ) { |
---|
782 | uChar userflag = 1 << 7; |
---|
783 | if ( unflag ) { |
---|
784 | userflag = 0 << 7; |
---|
785 | } |
---|
786 | for ( uInt i=0; i<table_.nrow(); ++i) { |
---|
787 | Vector<uChar> flgs = flagsCol_(i); |
---|
788 | flgs = userflag; |
---|
789 | flagsCol_.put(i, flgs); |
---|
790 | } |
---|
791 | return; |
---|
792 | } |
---|
793 | if ( int(msk.size()) != nchan() ) { |
---|
794 | throw(AipsError("Mask has incorrect number of channels.")); |
---|
795 | } |
---|
796 | for ( uInt i=0; i<table_.nrow(); ++i) { |
---|
797 | Vector<uChar> flgs = flagsCol_(i); |
---|
798 | if ( flgs.nelements() != msk.size() ) { |
---|
799 | throw(AipsError("Mask has incorrect number of channels." |
---|
800 | " Probably varying with IF. Please flag per IF")); |
---|
801 | } |
---|
802 | std::vector<bool>::const_iterator it; |
---|
803 | uInt j = 0; |
---|
804 | uChar userflag = 1 << 7; |
---|
805 | if ( unflag ) { |
---|
806 | userflag = 0 << 7; |
---|
807 | } |
---|
808 | for (it = msk.begin(); it != msk.end(); ++it) { |
---|
809 | if ( *it ) { |
---|
810 | flgs(j) = userflag; |
---|
811 | } |
---|
812 | ++j; |
---|
813 | } |
---|
814 | flagsCol_.put(i, flgs); |
---|
815 | } |
---|
816 | } |
---|
817 | |
---|
818 | void Scantable::flagRow(const std::vector<uInt>& rows, bool unflag) |
---|
819 | { |
---|
820 | if ( selector_.empty() && (rows.size() == table_.nrow()) ) |
---|
821 | throw(AipsError("Trying to flag whole scantable.")); |
---|
822 | |
---|
823 | uInt rowflag = (unflag ? 0 : 1); |
---|
824 | std::vector<uInt>::const_iterator it; |
---|
825 | for (it = rows.begin(); it != rows.end(); ++it) |
---|
826 | flagrowCol_.put(*it, rowflag); |
---|
827 | } |
---|
828 | |
---|
829 | std::vector<bool> Scantable::getMask(int whichrow) const |
---|
830 | { |
---|
831 | Vector<uChar> flags; |
---|
832 | flagsCol_.get(uInt(whichrow), flags); |
---|
833 | Vector<Bool> bflag(flags.shape()); |
---|
834 | convertArray(bflag, flags); |
---|
835 | bflag = !bflag; |
---|
836 | std::vector<bool> mask; |
---|
837 | bflag.tovector(mask); |
---|
838 | return mask; |
---|
839 | } |
---|
840 | |
---|
841 | std::vector<float> Scantable::getSpectrum( int whichrow, |
---|
842 | const std::string& poltype ) const |
---|
843 | { |
---|
844 | String ptype = poltype; |
---|
845 | if (poltype == "" ) ptype = getPolType(); |
---|
846 | if ( whichrow < 0 || whichrow >= nrow() ) |
---|
847 | throw(AipsError("Illegal row number.")); |
---|
848 | std::vector<float> out; |
---|
849 | Vector<Float> arr; |
---|
850 | uInt requestedpol = polCol_(whichrow); |
---|
851 | String basetype = getPolType(); |
---|
852 | if ( ptype == basetype ) { |
---|
853 | specCol_.get(whichrow, arr); |
---|
854 | } else { |
---|
855 | CountedPtr<STPol> stpol(STPol::getPolClass(Scantable::factories_, |
---|
856 | basetype)); |
---|
857 | uInt row = uInt(whichrow); |
---|
858 | stpol->setSpectra(getPolMatrix(row)); |
---|
859 | Float fang,fhand,parang; |
---|
860 | fang = focusTable_.getTotalAngle(mfocusidCol_(row)); |
---|
861 | fhand = focusTable_.getFeedHand(mfocusidCol_(row)); |
---|
862 | stpol->setPhaseCorrections(fang, fhand); |
---|
863 | arr = stpol->getSpectrum(requestedpol, ptype); |
---|
864 | } |
---|
865 | if ( arr.nelements() == 0 ) |
---|
866 | pushLog("Not enough polarisations present to do the conversion."); |
---|
867 | arr.tovector(out); |
---|
868 | return out; |
---|
869 | } |
---|
870 | |
---|
871 | void Scantable::setSpectrum( const std::vector<float>& spec, |
---|
872 | int whichrow ) |
---|
873 | { |
---|
874 | Vector<Float> spectrum(spec); |
---|
875 | Vector<Float> arr; |
---|
876 | specCol_.get(whichrow, arr); |
---|
877 | if ( spectrum.nelements() != arr.nelements() ) |
---|
878 | throw AipsError("The spectrum has incorrect number of channels."); |
---|
879 | specCol_.put(whichrow, spectrum); |
---|
880 | } |
---|
881 | |
---|
882 | |
---|
883 | String Scantable::generateName() |
---|
884 | { |
---|
885 | return (File::newUniqueName("./","temp")).baseName(); |
---|
886 | } |
---|
887 | |
---|
888 | const casa::Table& Scantable::table( ) const |
---|
889 | { |
---|
890 | return table_; |
---|
891 | } |
---|
892 | |
---|
893 | casa::Table& Scantable::table( ) |
---|
894 | { |
---|
895 | return table_; |
---|
896 | } |
---|
897 | |
---|
898 | std::string Scantable::getPolType() const |
---|
899 | { |
---|
900 | return table_.keywordSet().asString("POLTYPE"); |
---|
901 | } |
---|
902 | |
---|
903 | void Scantable::unsetSelection() |
---|
904 | { |
---|
905 | table_ = originalTable_; |
---|
906 | attach(); |
---|
907 | selector_.reset(); |
---|
908 | } |
---|
909 | |
---|
910 | void Scantable::setSelection( const STSelector& selection ) |
---|
911 | { |
---|
912 | Table tab = const_cast<STSelector&>(selection).apply(originalTable_); |
---|
913 | if ( tab.nrow() == 0 ) { |
---|
914 | throw(AipsError("Selection contains no data. Not applying it.")); |
---|
915 | } |
---|
916 | table_ = tab; |
---|
917 | attach(); |
---|
918 | selector_ = selection; |
---|
919 | } |
---|
920 | |
---|
921 | std::string Scantable::summary( bool verbose ) |
---|
922 | { |
---|
923 | // Format header info |
---|
924 | ostringstream oss; |
---|
925 | oss << endl; |
---|
926 | oss << asap::SEPERATOR << endl; |
---|
927 | oss << " Scan Table Summary" << endl; |
---|
928 | oss << asap::SEPERATOR << endl; |
---|
929 | oss.flags(std::ios_base::left); |
---|
930 | oss << setw(15) << "Beams:" << setw(4) << nbeam() << endl |
---|
931 | << setw(15) << "IFs:" << setw(4) << nif() << endl |
---|
932 | << setw(15) << "Polarisations:" << setw(4) << npol() |
---|
933 | << "(" << getPolType() << ")" << endl |
---|
934 | << setw(15) << "Channels:" << nchan() << endl; |
---|
935 | String tmp; |
---|
936 | oss << setw(15) << "Observer:" |
---|
937 | << table_.keywordSet().asString("Observer") << endl; |
---|
938 | oss << setw(15) << "Obs Date:" << getTime(-1,true) << endl; |
---|
939 | table_.keywordSet().get("Project", tmp); |
---|
940 | oss << setw(15) << "Project:" << tmp << endl; |
---|
941 | table_.keywordSet().get("Obstype", tmp); |
---|
942 | oss << setw(15) << "Obs. Type:" << tmp << endl; |
---|
943 | table_.keywordSet().get("AntennaName", tmp); |
---|
944 | oss << setw(15) << "Antenna Name:" << tmp << endl; |
---|
945 | table_.keywordSet().get("FluxUnit", tmp); |
---|
946 | oss << setw(15) << "Flux Unit:" << tmp << endl; |
---|
947 | //Vector<Double> vec(moleculeTable_.getRestFrequencies()); |
---|
948 | int nid = moleculeTable_.nrow(); |
---|
949 | Bool firstline = True; |
---|
950 | oss << setw(15) << "Rest Freqs:"; |
---|
951 | for (int i=0; i<nid; i++) { |
---|
952 | Table t = table_(table_.col("MOLECULE_ID") == i); |
---|
953 | if (t.nrow() > 0) { |
---|
954 | Vector<Double> vec(moleculeTable_.getRestFrequency(i)); |
---|
955 | if (vec.nelements() > 0) { |
---|
956 | if (firstline) { |
---|
957 | oss << setprecision(10) << vec << " [Hz]" << endl; |
---|
958 | firstline=False; |
---|
959 | } |
---|
960 | else{ |
---|
961 | oss << setw(15)<<" " << setprecision(10) << vec << " [Hz]" << endl; |
---|
962 | } |
---|
963 | } else { |
---|
964 | oss << "none" << endl; |
---|
965 | } |
---|
966 | } |
---|
967 | } |
---|
968 | |
---|
969 | oss << setw(15) << "Abcissa:" << getAbcissaLabel(0) << endl; |
---|
970 | oss << selector_.print() << endl; |
---|
971 | oss << endl; |
---|
972 | // main table |
---|
973 | String dirtype = "Position (" |
---|
974 | + getDirectionRefString() |
---|
975 | + ")"; |
---|
976 | oss << setw(5) << "Scan" << setw(15) << "Source" |
---|
977 | << setw(10) << "Time" << setw(18) << "Integration" << endl; |
---|
978 | oss << setw(5) << "" << setw(5) << "Beam" << setw(3) << "" << dirtype << endl; |
---|
979 | oss << setw(10) << "" << setw(3) << "IF" << setw(3) << "" |
---|
980 | << setw(8) << "Frame" << setw(16) |
---|
981 | << "RefVal" << setw(10) << "RefPix" << setw(12) << "Increment" |
---|
982 | << setw(7) << "Channels" |
---|
983 | << endl; |
---|
984 | oss << asap::SEPERATOR << endl; |
---|
985 | TableIterator iter(table_, "SCANNO"); |
---|
986 | while (!iter.pastEnd()) { |
---|
987 | Table subt = iter.table(); |
---|
988 | ROTableRow row(subt); |
---|
989 | MEpoch::ROScalarColumn timeCol(subt,"TIME"); |
---|
990 | const TableRecord& rec = row.get(0); |
---|
991 | oss << setw(4) << std::right << rec.asuInt("SCANNO") |
---|
992 | << std::left << setw(1) << "" |
---|
993 | << setw(15) << rec.asString("SRCNAME") |
---|
994 | << setw(10) << formatTime(timeCol(0), false); |
---|
995 | // count the cycles in the scan |
---|
996 | TableIterator cyciter(subt, "CYCLENO"); |
---|
997 | int nint = 0; |
---|
998 | while (!cyciter.pastEnd()) { |
---|
999 | ++nint; |
---|
1000 | ++cyciter; |
---|
1001 | } |
---|
1002 | oss << setw(3) << std::right << nint << setw(3) << " x " << std::left |
---|
1003 | << setw(6) << formatSec(rec.asFloat("INTERVAL")) << endl; |
---|
1004 | |
---|
1005 | TableIterator biter(subt, "BEAMNO"); |
---|
1006 | while (!biter.pastEnd()) { |
---|
1007 | Table bsubt = biter.table(); |
---|
1008 | ROTableRow brow(bsubt); |
---|
1009 | const TableRecord& brec = brow.get(0); |
---|
1010 | uInt row0 = bsubt.rowNumbers(table_)[0]; |
---|
1011 | oss << setw(5) << "" << setw(4) << std::right << brec.asuInt("BEAMNO")<< std::left; |
---|
1012 | oss << setw(4) << "" << formatDirection(getDirection(row0)) << endl; |
---|
1013 | TableIterator iiter(bsubt, "IFNO"); |
---|
1014 | while (!iiter.pastEnd()) { |
---|
1015 | Table isubt = iiter.table(); |
---|
1016 | ROTableRow irow(isubt); |
---|
1017 | const TableRecord& irec = irow.get(0); |
---|
1018 | oss << setw(9) << ""; |
---|
1019 | oss << setw(3) << std::right << irec.asuInt("IFNO") << std::left |
---|
1020 | << setw(1) << "" << frequencies().print(irec.asuInt("FREQ_ID")) |
---|
1021 | << setw(3) << "" << nchan(irec.asuInt("IFNO")) |
---|
1022 | << endl; |
---|
1023 | |
---|
1024 | ++iiter; |
---|
1025 | } |
---|
1026 | ++biter; |
---|
1027 | } |
---|
1028 | ++iter; |
---|
1029 | } |
---|
1030 | /// @todo implement verbose mode |
---|
1031 | return String(oss); |
---|
1032 | } |
---|
1033 | |
---|
1034 | std::string Scantable::getTime(int whichrow, bool showdate) const |
---|
1035 | { |
---|
1036 | MEpoch::ROScalarColumn timeCol(table_, "TIME"); |
---|
1037 | MEpoch me; |
---|
1038 | if (whichrow > -1) { |
---|
1039 | me = timeCol(uInt(whichrow)); |
---|
1040 | } else { |
---|
1041 | Double tm; |
---|
1042 | table_.keywordSet().get("UTC",tm); |
---|
1043 | me = MEpoch(MVEpoch(tm)); |
---|
1044 | } |
---|
1045 | return formatTime(me, showdate); |
---|
1046 | } |
---|
1047 | |
---|
1048 | MEpoch Scantable::getEpoch(int whichrow) const |
---|
1049 | { |
---|
1050 | if (whichrow > -1) { |
---|
1051 | return timeCol_(uInt(whichrow)); |
---|
1052 | } else { |
---|
1053 | Double tm; |
---|
1054 | table_.keywordSet().get("UTC",tm); |
---|
1055 | return MEpoch(MVEpoch(tm)); |
---|
1056 | } |
---|
1057 | } |
---|
1058 | |
---|
1059 | std::string Scantable::getDirectionString(int whichrow) const |
---|
1060 | { |
---|
1061 | return formatDirection(getDirection(uInt(whichrow))); |
---|
1062 | } |
---|
1063 | |
---|
1064 | |
---|
1065 | SpectralCoordinate Scantable::getSpectralCoordinate(int whichrow) const { |
---|
1066 | const MPosition& mp = getAntennaPosition(); |
---|
1067 | const MDirection& md = getDirection(whichrow); |
---|
1068 | const MEpoch& me = timeCol_(whichrow); |
---|
1069 | //Double rf = moleculeTable_.getRestFrequency(mmolidCol_(whichrow)); |
---|
1070 | Vector<Double> rf = moleculeTable_.getRestFrequency(mmolidCol_(whichrow)); |
---|
1071 | return freqTable_.getSpectralCoordinate(md, mp, me, rf, |
---|
1072 | mfreqidCol_(whichrow)); |
---|
1073 | } |
---|
1074 | |
---|
1075 | std::vector< double > Scantable::getAbcissa( int whichrow ) const |
---|
1076 | { |
---|
1077 | if ( whichrow > int(table_.nrow()) ) throw(AipsError("Illegal row number")); |
---|
1078 | std::vector<double> stlout; |
---|
1079 | int nchan = specCol_(whichrow).nelements(); |
---|
1080 | String us = freqTable_.getUnitString(); |
---|
1081 | if ( us == "" || us == "pixel" || us == "channel" ) { |
---|
1082 | for (int i=0; i<nchan; ++i) { |
---|
1083 | stlout.push_back(double(i)); |
---|
1084 | } |
---|
1085 | return stlout; |
---|
1086 | } |
---|
1087 | SpectralCoordinate spc = getSpectralCoordinate(whichrow); |
---|
1088 | Vector<Double> pixel(nchan); |
---|
1089 | Vector<Double> world; |
---|
1090 | indgen(pixel); |
---|
1091 | if ( Unit(us) == Unit("Hz") ) { |
---|
1092 | for ( int i=0; i < nchan; ++i) { |
---|
1093 | Double world; |
---|
1094 | spc.toWorld(world, pixel[i]); |
---|
1095 | stlout.push_back(double(world)); |
---|
1096 | } |
---|
1097 | } else if ( Unit(us) == Unit("km/s") ) { |
---|
1098 | Vector<Double> world; |
---|
1099 | spc.pixelToVelocity(world, pixel); |
---|
1100 | world.tovector(stlout); |
---|
1101 | } |
---|
1102 | return stlout; |
---|
1103 | } |
---|
1104 | void Scantable::setDirectionRefString( const std::string & refstr ) |
---|
1105 | { |
---|
1106 | MDirection::Types mdt; |
---|
1107 | if (refstr != "" && !MDirection::getType(mdt, refstr)) { |
---|
1108 | throw(AipsError("Illegal Direction frame.")); |
---|
1109 | } |
---|
1110 | if ( refstr == "" ) { |
---|
1111 | String defaultstr = MDirection::showType(dirCol_.getMeasRef().getType()); |
---|
1112 | table_.rwKeywordSet().define("DIRECTIONREF", defaultstr); |
---|
1113 | } else { |
---|
1114 | table_.rwKeywordSet().define("DIRECTIONREF", String(refstr)); |
---|
1115 | } |
---|
1116 | } |
---|
1117 | |
---|
1118 | std::string Scantable::getDirectionRefString( ) const |
---|
1119 | { |
---|
1120 | return table_.keywordSet().asString("DIRECTIONREF"); |
---|
1121 | } |
---|
1122 | |
---|
1123 | MDirection Scantable::getDirection(int whichrow ) const |
---|
1124 | { |
---|
1125 | String usertype = table_.keywordSet().asString("DIRECTIONREF"); |
---|
1126 | String type = MDirection::showType(dirCol_.getMeasRef().getType()); |
---|
1127 | if ( usertype != type ) { |
---|
1128 | MDirection::Types mdt; |
---|
1129 | if (!MDirection::getType(mdt, usertype)) { |
---|
1130 | throw(AipsError("Illegal Direction frame.")); |
---|
1131 | } |
---|
1132 | return dirCol_.convert(uInt(whichrow), mdt); |
---|
1133 | } else { |
---|
1134 | return dirCol_(uInt(whichrow)); |
---|
1135 | } |
---|
1136 | } |
---|
1137 | |
---|
1138 | std::string Scantable::getAbcissaLabel( int whichrow ) const |
---|
1139 | { |
---|
1140 | if ( whichrow > int(table_.nrow()) ) throw(AipsError("Illegal ro number")); |
---|
1141 | const MPosition& mp = getAntennaPosition(); |
---|
1142 | const MDirection& md = getDirection(whichrow); |
---|
1143 | const MEpoch& me = timeCol_(whichrow); |
---|
1144 | //const Double& rf = mmolidCol_(whichrow); |
---|
1145 | const Vector<Double> rf = moleculeTable_.getRestFrequency(mmolidCol_(whichrow)); |
---|
1146 | SpectralCoordinate spc = |
---|
1147 | freqTable_.getSpectralCoordinate(md, mp, me, rf, mfreqidCol_(whichrow)); |
---|
1148 | |
---|
1149 | String s = "Channel"; |
---|
1150 | Unit u = Unit(freqTable_.getUnitString()); |
---|
1151 | if (u == Unit("km/s")) { |
---|
1152 | s = CoordinateUtil::axisLabel(spc, 0, True,True, True); |
---|
1153 | } else if (u == Unit("Hz")) { |
---|
1154 | Vector<String> wau(1);wau = u.getName(); |
---|
1155 | spc.setWorldAxisUnits(wau); |
---|
1156 | s = CoordinateUtil::axisLabel(spc, 0, True, True, False); |
---|
1157 | } |
---|
1158 | return s; |
---|
1159 | |
---|
1160 | } |
---|
1161 | |
---|
1162 | /** |
---|
1163 | void asap::Scantable::setRestFrequencies( double rf, const std::string& name, |
---|
1164 | const std::string& unit ) |
---|
1165 | **/ |
---|
1166 | void Scantable::setRestFrequencies( vector<double> rf, const vector<std::string>& name, |
---|
1167 | const std::string& unit ) |
---|
1168 | |
---|
1169 | { |
---|
1170 | ///@todo lookup in line table to fill in name and formattedname |
---|
1171 | Unit u(unit); |
---|
1172 | //Quantum<Double> urf(rf, u); |
---|
1173 | Quantum<Vector<Double> >urf(rf, u); |
---|
1174 | Vector<String> formattedname(0); |
---|
1175 | //cerr<<"Scantable::setRestFrequnecies="<<urf<<endl; |
---|
1176 | |
---|
1177 | //uInt id = moleculeTable_.addEntry(urf.getValue("Hz"), name, ""); |
---|
1178 | uInt id = moleculeTable_.addEntry(urf.getValue("Hz"), mathutil::toVectorString(name), formattedname); |
---|
1179 | TableVector<uInt> tabvec(table_, "MOLECULE_ID"); |
---|
1180 | tabvec = id; |
---|
1181 | } |
---|
1182 | |
---|
1183 | /** |
---|
1184 | void asap::Scantable::setRestFrequencies( const std::string& name ) |
---|
1185 | { |
---|
1186 | throw(AipsError("setRestFrequencies( const std::string& name ) NYI")); |
---|
1187 | ///@todo implement |
---|
1188 | } |
---|
1189 | **/ |
---|
1190 | void Scantable::setRestFrequencies( const vector<std::string>& name ) |
---|
1191 | { |
---|
1192 | throw(AipsError("setRestFrequencies( const vector<std::string>& name ) NYI")); |
---|
1193 | ///@todo implement |
---|
1194 | } |
---|
1195 | |
---|
1196 | std::vector< unsigned int > Scantable::rownumbers( ) const |
---|
1197 | { |
---|
1198 | std::vector<unsigned int> stlout; |
---|
1199 | Vector<uInt> vec = table_.rowNumbers(); |
---|
1200 | vec.tovector(stlout); |
---|
1201 | return stlout; |
---|
1202 | } |
---|
1203 | |
---|
1204 | |
---|
1205 | Matrix<Float> Scantable::getPolMatrix( uInt whichrow ) const |
---|
1206 | { |
---|
1207 | ROTableRow row(table_); |
---|
1208 | const TableRecord& rec = row.get(whichrow); |
---|
1209 | Table t = |
---|
1210 | originalTable_( originalTable_.col("SCANNO") == Int(rec.asuInt("SCANNO")) |
---|
1211 | && originalTable_.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
1212 | && originalTable_.col("IFNO") == Int(rec.asuInt("IFNO")) |
---|
1213 | && originalTable_.col("CYCLENO") == Int(rec.asuInt("CYCLENO")) ); |
---|
1214 | ROArrayColumn<Float> speccol(t, "SPECTRA"); |
---|
1215 | return speccol.getColumn(); |
---|
1216 | } |
---|
1217 | |
---|
1218 | std::vector< std::string > Scantable::columnNames( ) const |
---|
1219 | { |
---|
1220 | Vector<String> vec = table_.tableDesc().columnNames(); |
---|
1221 | return mathutil::tovectorstring(vec); |
---|
1222 | } |
---|
1223 | |
---|
1224 | MEpoch::Types Scantable::getTimeReference( ) const |
---|
1225 | { |
---|
1226 | return MEpoch::castType(timeCol_.getMeasRef().getType()); |
---|
1227 | } |
---|
1228 | |
---|
1229 | void Scantable::addFit( const STFitEntry& fit, int row ) |
---|
1230 | { |
---|
1231 | //cout << mfitidCol_(uInt(row)) << endl; |
---|
1232 | LogIO os( LogOrigin( "Scantable", "addFit()", WHERE ) ) ; |
---|
1233 | os << mfitidCol_(uInt(row)) << LogIO::POST ; |
---|
1234 | uInt id = fitTable_.addEntry(fit, mfitidCol_(uInt(row))); |
---|
1235 | mfitidCol_.put(uInt(row), id); |
---|
1236 | } |
---|
1237 | |
---|
1238 | void Scantable::shift(int npix) |
---|
1239 | { |
---|
1240 | Vector<uInt> fids(mfreqidCol_.getColumn()); |
---|
1241 | genSort( fids, Sort::Ascending, |
---|
1242 | Sort::QuickSort|Sort::NoDuplicates ); |
---|
1243 | for (uInt i=0; i<fids.nelements(); ++i) { |
---|
1244 | frequencies().shiftRefPix(npix, fids[i]); |
---|
1245 | } |
---|
1246 | } |
---|
1247 | |
---|
1248 | String Scantable::getAntennaName() const |
---|
1249 | { |
---|
1250 | String out; |
---|
1251 | table_.keywordSet().get("AntennaName", out); |
---|
1252 | return out; |
---|
1253 | } |
---|
1254 | |
---|
1255 | int Scantable::checkScanInfo(const std::vector<int>& scanlist) const |
---|
1256 | { |
---|
1257 | String tbpath; |
---|
1258 | int ret = 0; |
---|
1259 | if ( table_.keywordSet().isDefined("GBT_GO") ) { |
---|
1260 | table_.keywordSet().get("GBT_GO", tbpath); |
---|
1261 | Table t(tbpath,Table::Old); |
---|
1262 | // check each scan if other scan of the pair exist |
---|
1263 | int nscan = scanlist.size(); |
---|
1264 | for (int i = 0; i < nscan; i++) { |
---|
1265 | Table subt = t( t.col("SCAN") == scanlist[i]+1 ); |
---|
1266 | if (subt.nrow()==0) { |
---|
1267 | //cerr <<"Scan "<<scanlist[i]<<" cannot be found in the scantable."<<endl; |
---|
1268 | LogIO os( LogOrigin( "Scantable", "checkScanInfo()", WHERE ) ) ; |
---|
1269 | os <<LogIO::WARN<<"Scan "<<scanlist[i]<<" cannot be found in the scantable."<<LogIO::POST; |
---|
1270 | ret = 1; |
---|
1271 | break; |
---|
1272 | } |
---|
1273 | ROTableRow row(subt); |
---|
1274 | const TableRecord& rec = row.get(0); |
---|
1275 | int scan1seqn = rec.asuInt("PROCSEQN"); |
---|
1276 | int laston1 = rec.asuInt("LASTON"); |
---|
1277 | if ( rec.asuInt("PROCSIZE")==2 ) { |
---|
1278 | if ( i < nscan-1 ) { |
---|
1279 | Table subt2 = t( t.col("SCAN") == scanlist[i+1]+1 ); |
---|
1280 | if ( subt2.nrow() == 0) { |
---|
1281 | LogIO os( LogOrigin( "Scantable", "checkScanInfo()", WHERE ) ) ; |
---|
1282 | |
---|
1283 | //cerr<<"Scan "<<scanlist[i+1]<<" cannot be found in the scantable."<<endl; |
---|
1284 | os<<LogIO::WARN<<"Scan "<<scanlist[i+1]<<" cannot be found in the scantable."<<LogIO::POST; |
---|
1285 | ret = 1; |
---|
1286 | break; |
---|
1287 | } |
---|
1288 | ROTableRow row2(subt2); |
---|
1289 | const TableRecord& rec2 = row2.get(0); |
---|
1290 | int scan2seqn = rec2.asuInt("PROCSEQN"); |
---|
1291 | int laston2 = rec2.asuInt("LASTON"); |
---|
1292 | if (scan1seqn == 1 && scan2seqn == 2) { |
---|
1293 | if (laston1 == laston2) { |
---|
1294 | LogIO os( LogOrigin( "Scantable", "checkScanInfo()", WHERE ) ) ; |
---|
1295 | //cerr<<"A valid scan pair ["<<scanlist[i]<<","<<scanlist[i+1]<<"]"<<endl; |
---|
1296 | os<<"A valid scan pair ["<<scanlist[i]<<","<<scanlist[i+1]<<"]"<<LogIO::POST; |
---|
1297 | i +=1; |
---|
1298 | } |
---|
1299 | else { |
---|
1300 | LogIO os( LogOrigin( "Scantable", "checkScanInfo()", WHERE ) ) ; |
---|
1301 | //cerr<<"Incorrect scan pair ["<<scanlist[i]<<","<<scanlist[i+1]<<"]"<<endl; |
---|
1302 | os<<LogIO::WARN<<"Incorrect scan pair ["<<scanlist[i]<<","<<scanlist[i+1]<<"]"<<LogIO::POST; |
---|
1303 | } |
---|
1304 | } |
---|
1305 | else if (scan1seqn==2 && scan2seqn == 1) { |
---|
1306 | if (laston1 == laston2) { |
---|
1307 | LogIO os( LogOrigin( "Scantable", "checkScanInfo()", WHERE ) ) ; |
---|
1308 | //cerr<<"["<<scanlist[i]<<","<<scanlist[i+1]<<"] is a valid scan pair but in incorrect order."<<endl; |
---|
1309 | os<<LogIO::WARN<<"["<<scanlist[i]<<","<<scanlist[i+1]<<"] is a valid scan pair but in incorrect order."<<LogIO::POST; |
---|
1310 | ret = 1; |
---|
1311 | break; |
---|
1312 | } |
---|
1313 | } |
---|
1314 | else { |
---|
1315 | LogIO os( LogOrigin( "Scantable", "checkScanInfo()", WHERE ) ) ; |
---|
1316 | //cerr<<"The other scan for "<<scanlist[i]<<" appears to be missing. Check the input scan numbers."<<endl; |
---|
1317 | os<<LogIO::WARN<<"The other scan for "<<scanlist[i]<<" appears to be missing. Check the input scan numbers."<<LogIO::POST; |
---|
1318 | ret = 1; |
---|
1319 | break; |
---|
1320 | } |
---|
1321 | } |
---|
1322 | } |
---|
1323 | else { |
---|
1324 | LogIO os( LogOrigin( "Scantable", "checkScanInfo()", WHERE ) ) ; |
---|
1325 | //cerr<<"The scan does not appear to be standard obsevation."<<endl; |
---|
1326 | os<<LogIO::WARN<<"The scan does not appear to be standard obsevation."<<LogIO::POST; |
---|
1327 | } |
---|
1328 | //if ( i >= nscan ) break; |
---|
1329 | } |
---|
1330 | } |
---|
1331 | else { |
---|
1332 | LogIO os( LogOrigin( "Scantable", "checkScanInfo()", WHERE ) ) ; |
---|
1333 | //cerr<<"No reference to GBT_GO table."<<endl; |
---|
1334 | os<<LogIO::WARN<<"No reference to GBT_GO table."<<LogIO::POST; |
---|
1335 | ret = 1; |
---|
1336 | } |
---|
1337 | return ret; |
---|
1338 | } |
---|
1339 | |
---|
1340 | std::vector<double> Scantable::getDirectionVector(int whichrow) const |
---|
1341 | { |
---|
1342 | Vector<Double> Dir = dirCol_(whichrow).getAngle("rad").getValue(); |
---|
1343 | std::vector<double> dir; |
---|
1344 | Dir.tovector(dir); |
---|
1345 | return dir; |
---|
1346 | } |
---|
1347 | |
---|
1348 | void asap::Scantable::reshapeSpectrum( int nmin, int nmax ) |
---|
1349 | throw( casa::AipsError ) |
---|
1350 | { |
---|
1351 | // assumed that all rows have same nChan |
---|
1352 | Vector<Float> arr = specCol_( 0 ) ; |
---|
1353 | int nChan = arr.nelements() ; |
---|
1354 | |
---|
1355 | // if nmin < 0 or nmax < 0, nothing to do |
---|
1356 | if ( nmin < 0 ) { |
---|
1357 | throw( casa::indexError<int>( nmin, "asap::Scantable::reshapeSpectrum: Invalid range. Negative index is specified." ) ) ; |
---|
1358 | } |
---|
1359 | if ( nmax < 0 ) { |
---|
1360 | throw( casa::indexError<int>( nmax, "asap::Scantable::reshapeSpectrum: Invalid range. Negative index is specified." ) ) ; |
---|
1361 | } |
---|
1362 | |
---|
1363 | // if nmin > nmax, exchange values |
---|
1364 | if ( nmin > nmax ) { |
---|
1365 | int tmp = nmax ; |
---|
1366 | nmax = nmin ; |
---|
1367 | nmin = tmp ; |
---|
1368 | LogIO os( LogOrigin( "Scantable", "reshapeSpectrum()", WHERE ) ) ; |
---|
1369 | os << "Swap values. Applied range is [" |
---|
1370 | << nmin << ", " << nmax << "]" << LogIO::POST ; |
---|
1371 | } |
---|
1372 | |
---|
1373 | // if nmin exceeds nChan, nothing to do |
---|
1374 | if ( nmin >= nChan ) { |
---|
1375 | throw( casa::indexError<int>( nmin, "asap::Scantable::reshapeSpectrum: Invalid range. Specified minimum exceeds nChan." ) ) ; |
---|
1376 | } |
---|
1377 | |
---|
1378 | // if nmax exceeds nChan, reset nmax to nChan |
---|
1379 | if ( nmax >= nChan ) { |
---|
1380 | if ( nmin == 0 ) { |
---|
1381 | // nothing to do |
---|
1382 | LogIO os( LogOrigin( "Scantable", "reshapeSpectrum()", WHERE ) ) ; |
---|
1383 | os << "Whole range is selected. Nothing to do." << LogIO::POST ; |
---|
1384 | return ; |
---|
1385 | } |
---|
1386 | else { |
---|
1387 | LogIO os( LogOrigin( "Scantable", "reshapeSpectrum()", WHERE ) ) ; |
---|
1388 | os << "Specified maximum exceeds nChan. Applied range is [" |
---|
1389 | << nmin << ", " << nChan-1 << "]." << LogIO::POST ; |
---|
1390 | nmax = nChan - 1 ; |
---|
1391 | } |
---|
1392 | } |
---|
1393 | |
---|
1394 | // reshape specCol_ and flagCol_ |
---|
1395 | for ( int irow = 0 ; irow < nrow() ; irow++ ) { |
---|
1396 | reshapeSpectrum( nmin, nmax, irow ) ; |
---|
1397 | } |
---|
1398 | |
---|
1399 | // update FREQUENCIES subtable |
---|
1400 | Double refpix ; |
---|
1401 | Double refval ; |
---|
1402 | Double increment ; |
---|
1403 | int freqnrow = freqTable_.table().nrow() ; |
---|
1404 | Vector<uInt> oldId( freqnrow ) ; |
---|
1405 | Vector<uInt> newId( freqnrow ) ; |
---|
1406 | for ( int irow = 0 ; irow < freqnrow ; irow++ ) { |
---|
1407 | freqTable_.getEntry( refpix, refval, increment, irow ) ; |
---|
1408 | /*** |
---|
1409 | * need to shift refpix to nmin |
---|
1410 | * note that channel nmin in old index will be channel 0 in new one |
---|
1411 | ***/ |
---|
1412 | refval = refval - ( refpix - nmin ) * increment ; |
---|
1413 | refpix = 0 ; |
---|
1414 | freqTable_.setEntry( refpix, refval, increment, irow ) ; |
---|
1415 | } |
---|
1416 | |
---|
1417 | // update nchan |
---|
1418 | int newsize = nmax - nmin + 1 ; |
---|
1419 | table_.rwKeywordSet().define( "nChan", newsize ) ; |
---|
1420 | |
---|
1421 | // update bandwidth |
---|
1422 | // assumed all spectra in the scantable have same bandwidth |
---|
1423 | table_.rwKeywordSet().define( "Bandwidth", increment * newsize ) ; |
---|
1424 | |
---|
1425 | return ; |
---|
1426 | } |
---|
1427 | |
---|
1428 | void asap::Scantable::reshapeSpectrum( int nmin, int nmax, int irow ) |
---|
1429 | { |
---|
1430 | // reshape specCol_ and flagCol_ |
---|
1431 | Vector<Float> oldspec = specCol_( irow ) ; |
---|
1432 | Vector<uChar> oldflag = flagsCol_( irow ) ; |
---|
1433 | uInt newsize = nmax - nmin + 1 ; |
---|
1434 | specCol_.put( irow, oldspec( Slice( nmin, newsize, 1 ) ) ) ; |
---|
1435 | flagsCol_.put( irow, oldflag( Slice( nmin, newsize, 1 ) ) ) ; |
---|
1436 | |
---|
1437 | return ; |
---|
1438 | } |
---|
1439 | |
---|
1440 | void asap::Scantable::regridChannel( int nChan, double dnu ) |
---|
1441 | { |
---|
1442 | LogIO os( LogOrigin( "Scantable", "regridChannel()", WHERE ) ) ; |
---|
1443 | os << "Regrid abcissa with channel number " << nChan << " and spectral resoultion " << dnu << "Hz." << LogIO::POST ; |
---|
1444 | // assumed that all rows have same nChan |
---|
1445 | Vector<Float> arr = specCol_( 0 ) ; |
---|
1446 | int oldsize = arr.nelements() ; |
---|
1447 | |
---|
1448 | // if oldsize == nChan, nothing to do |
---|
1449 | if ( oldsize == nChan ) { |
---|
1450 | os << "Specified channel number is same as current one. Nothing to do." << LogIO::POST ; |
---|
1451 | return ; |
---|
1452 | } |
---|
1453 | |
---|
1454 | // if oldChan < nChan, unphysical operation |
---|
1455 | if ( oldsize < nChan ) { |
---|
1456 | os << "Unphysical operation. Nothing to do." << LogIO::POST ; |
---|
1457 | return ; |
---|
1458 | } |
---|
1459 | |
---|
1460 | // change channel number for specCol_ and flagCol_ |
---|
1461 | Vector<Float> newspec( nChan, 0 ) ; |
---|
1462 | Vector<uChar> newflag( nChan, false ) ; |
---|
1463 | vector<string> coordinfo = getCoordInfo() ; |
---|
1464 | string oldinfo = coordinfo[0] ; |
---|
1465 | coordinfo[0] = "Hz" ; |
---|
1466 | setCoordInfo( coordinfo ) ; |
---|
1467 | for ( int irow = 0 ; irow < nrow() ; irow++ ) { |
---|
1468 | regridChannel( nChan, dnu, irow ) ; |
---|
1469 | } |
---|
1470 | coordinfo[0] = oldinfo ; |
---|
1471 | setCoordInfo( coordinfo ) ; |
---|
1472 | |
---|
1473 | |
---|
1474 | // NOTE: this method does not update metadata such as |
---|
1475 | // FREQUENCIES subtable, nChan, Bandwidth, etc. |
---|
1476 | |
---|
1477 | return ; |
---|
1478 | } |
---|
1479 | |
---|
1480 | void asap::Scantable::regridChannel( int nChan, double dnu, int irow ) |
---|
1481 | { |
---|
1482 | // logging |
---|
1483 | //ofstream ofs( "average.log", std::ios::out | std::ios::app ) ; |
---|
1484 | //ofs << "IFNO = " << getIF( irow ) << " irow = " << irow << endl ; |
---|
1485 | |
---|
1486 | Vector<Float> oldspec = specCol_( irow ) ; |
---|
1487 | Vector<uChar> oldflag = flagsCol_( irow ) ; |
---|
1488 | Vector<Float> newspec( nChan, 0 ) ; |
---|
1489 | Vector<uChar> newflag( nChan, false ) ; |
---|
1490 | |
---|
1491 | // regrid |
---|
1492 | vector<double> abcissa = getAbcissa( irow ) ; |
---|
1493 | int oldsize = abcissa.size() ; |
---|
1494 | double olddnu = abcissa[1] - abcissa[0] ; |
---|
1495 | //int refChan = 0 ; |
---|
1496 | //double frac = 0.0 ; |
---|
1497 | //double wedge = 0.0 ; |
---|
1498 | //double pile = 0.0 ; |
---|
1499 | int ichan = 0 ; |
---|
1500 | double wsum = 0.0 ; |
---|
1501 | Vector<Float> z( nChan ) ; |
---|
1502 | z[0] = abcissa[0] - 0.5 * olddnu + 0.5 * dnu ; |
---|
1503 | for ( int ii = 1 ; ii < nChan ; ii++ ) |
---|
1504 | z[ii] = z[ii-1] + dnu ; |
---|
1505 | Vector<Float> zi( nChan+1 ) ; |
---|
1506 | Vector<Float> yi( oldsize + 1 ) ; |
---|
1507 | zi[0] = z[0] - 0.5 * dnu ; |
---|
1508 | zi[1] = z[0] + 0.5 * dnu ; |
---|
1509 | for ( int ii = 2 ; ii < nChan ; ii++ ) |
---|
1510 | zi[ii] = zi[ii-1] + dnu ; |
---|
1511 | zi[nChan] = z[nChan-1] + 0.5 * dnu ; |
---|
1512 | yi[0] = abcissa[0] - 0.5 * olddnu ; |
---|
1513 | yi[1] = abcissa[1] + 0.5 * olddnu ; |
---|
1514 | for ( int ii = 2 ; ii < oldsize ; ii++ ) |
---|
1515 | yi[ii] = abcissa[ii-1] + olddnu ; |
---|
1516 | yi[oldsize] = abcissa[oldsize-1] + 0.5 * olddnu ; |
---|
1517 | if ( dnu > 0.0 ) { |
---|
1518 | for ( int ii = 0 ; ii < nChan ; ii++ ) { |
---|
1519 | double zl = zi[ii] ; |
---|
1520 | double zr = zi[ii+1] ; |
---|
1521 | for ( int j = ichan ; j < oldsize ; j++ ) { |
---|
1522 | double yl = yi[j] ; |
---|
1523 | double yr = yi[j+1] ; |
---|
1524 | if ( yl <= zl ) { |
---|
1525 | if ( yr <= zl ) { |
---|
1526 | continue ; |
---|
1527 | } |
---|
1528 | else if ( yr <= zr ) { |
---|
1529 | newspec[ii] += oldspec[j] * ( yr - zl ) ; |
---|
1530 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
1531 | wsum += ( yr - zl ) ; |
---|
1532 | } |
---|
1533 | else { |
---|
1534 | newspec[ii] += oldspec[j] * dnu ; |
---|
1535 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
1536 | wsum += dnu ; |
---|
1537 | ichan = j ; |
---|
1538 | break ; |
---|
1539 | } |
---|
1540 | } |
---|
1541 | else if ( yl < zr ) { |
---|
1542 | if ( yr <= zr ) { |
---|
1543 | newspec[ii] += oldspec[j] * ( yr - yl ) ; |
---|
1544 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
1545 | wsum += ( yr - yl ) ; |
---|
1546 | } |
---|
1547 | else { |
---|
1548 | newspec[ii] += oldspec[j] * ( zr - yl ) ; |
---|
1549 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
1550 | wsum += ( zr - yl ) ; |
---|
1551 | ichan = j ; |
---|
1552 | break ; |
---|
1553 | } |
---|
1554 | } |
---|
1555 | else { |
---|
1556 | ichan = j - 1 ; |
---|
1557 | break ; |
---|
1558 | } |
---|
1559 | } |
---|
1560 | newspec[ii] /= wsum ; |
---|
1561 | wsum = 0.0 ; |
---|
1562 | } |
---|
1563 | } |
---|
1564 | else if ( dnu < 0.0 ) { |
---|
1565 | for ( int ii = 0 ; ii < nChan ; ii++ ) { |
---|
1566 | double zl = zi[ii] ; |
---|
1567 | double zr = zi[ii+1] ; |
---|
1568 | for ( int j = ichan ; j < oldsize ; j++ ) { |
---|
1569 | double yl = yi[j] ; |
---|
1570 | double yr = yi[j+1] ; |
---|
1571 | if ( yl >= zl ) { |
---|
1572 | if ( yr >= zl ) { |
---|
1573 | continue ; |
---|
1574 | } |
---|
1575 | else if ( yr >= zr ) { |
---|
1576 | newspec[ii] += oldspec[j] * abs( yr - zl ) ; |
---|
1577 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
1578 | wsum += abs( yr - zl ) ; |
---|
1579 | } |
---|
1580 | else { |
---|
1581 | newspec[ii] += oldspec[j] * abs( dnu ) ; |
---|
1582 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
1583 | wsum += abs( dnu ) ; |
---|
1584 | ichan = j ; |
---|
1585 | break ; |
---|
1586 | } |
---|
1587 | } |
---|
1588 | else if ( yl > zr ) { |
---|
1589 | if ( yr >= zr ) { |
---|
1590 | newspec[ii] += oldspec[j] * abs( yr - yl ) ; |
---|
1591 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
1592 | wsum += abs( yr - yl ) ; |
---|
1593 | } |
---|
1594 | else { |
---|
1595 | newspec[ii] += oldspec[j] * abs( zr - yl ) ; |
---|
1596 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
1597 | wsum += abs( zr - yl ) ; |
---|
1598 | ichan = j ; |
---|
1599 | break ; |
---|
1600 | } |
---|
1601 | } |
---|
1602 | else { |
---|
1603 | ichan = j - 1 ; |
---|
1604 | break ; |
---|
1605 | } |
---|
1606 | } |
---|
1607 | newspec[ii] /= wsum ; |
---|
1608 | wsum = 0.0 ; |
---|
1609 | } |
---|
1610 | } |
---|
1611 | // * ichan = 0 |
---|
1612 | // ***/ |
---|
1613 | // //ofs << "olddnu = " << olddnu << ", dnu = " << dnu << endl ; |
---|
1614 | // pile += dnu ; |
---|
1615 | // wedge = olddnu * ( refChan + 1 ) ; |
---|
1616 | // while ( wedge < pile ) { |
---|
1617 | // newspec[0] += olddnu * oldspec[refChan] ; |
---|
1618 | // newflag[0] = newflag[0] || oldflag[refChan] ; |
---|
1619 | // //ofs << "channel " << refChan << " is included in new channel 0" << endl ; |
---|
1620 | // refChan++ ; |
---|
1621 | // wedge += olddnu ; |
---|
1622 | // wsum += olddnu ; |
---|
1623 | // //ofs << "newspec[0] = " << newspec[0] << " wsum = " << wsum << endl ; |
---|
1624 | // } |
---|
1625 | // frac = ( wedge - pile ) / olddnu ; |
---|
1626 | // wsum += ( 1.0 - frac ) * olddnu ; |
---|
1627 | // newspec[0] += ( 1.0 - frac ) * olddnu * oldspec[refChan] ; |
---|
1628 | // newflag[0] = newflag[0] || oldflag[refChan] ; |
---|
1629 | // //ofs << "channel " << refChan << " is partly included in new channel 0" << " with fraction of " << ( 1.0 - frac ) << endl ; |
---|
1630 | // //ofs << "newspec[0] = " << newspec[0] << " wsum = " << wsum << endl ; |
---|
1631 | // newspec[0] /= wsum ; |
---|
1632 | // //ofs << "newspec[0] = " << newspec[0] << endl ; |
---|
1633 | // //ofs << "wedge = " << wedge << ", pile = " << pile << endl ; |
---|
1634 | |
---|
1635 | // /*** |
---|
1636 | // * ichan = 1 - nChan-2 |
---|
1637 | // ***/ |
---|
1638 | // for ( int ichan = 1 ; ichan < nChan - 1 ; ichan++ ) { |
---|
1639 | // pile += dnu ; |
---|
1640 | // newspec[ichan] += frac * olddnu * oldspec[refChan] ; |
---|
1641 | // newflag[ichan] = newflag[ichan] || oldflag[refChan] ; |
---|
1642 | // //ofs << "channel " << refChan << " is partly included in new channel " << ichan << " with fraction of " << frac << endl ; |
---|
1643 | // refChan++ ; |
---|
1644 | // wedge += olddnu ; |
---|
1645 | // wsum = frac * olddnu ; |
---|
1646 | // //ofs << "newspec[" << ichan << "] = " << newspec[ichan] << " wsum = " << wsum << endl ; |
---|
1647 | // while ( wedge < pile ) { |
---|
1648 | // newspec[ichan] += olddnu * oldspec[refChan] ; |
---|
1649 | // newflag[ichan] = newflag[ichan] || oldflag[refChan] ; |
---|
1650 | // //ofs << "channel " << refChan << " is included in new channel " << ichan << endl ; |
---|
1651 | // refChan++ ; |
---|
1652 | // wedge += olddnu ; |
---|
1653 | // wsum += olddnu ; |
---|
1654 | // //ofs << "newspec[" << ichan << "] = " << newspec[ichan] << " wsum = " << wsum << endl ; |
---|
1655 | // } |
---|
1656 | // frac = ( wedge - pile ) / olddnu ; |
---|
1657 | // wsum += ( 1.0 - frac ) * olddnu ; |
---|
1658 | // newspec[ichan] += ( 1.0 - frac ) * olddnu * oldspec[refChan] ; |
---|
1659 | // newflag[ichan] = newflag[ichan] || oldflag[refChan] ; |
---|
1660 | // //ofs << "channel " << refChan << " is partly included in new channel " << ichan << " with fraction of " << ( 1.0 - frac ) << endl ; |
---|
1661 | // //ofs << "wedge = " << wedge << ", pile = " << pile << endl ; |
---|
1662 | // //ofs << "newspec[" << ichan << "] = " << newspec[ichan] << " wsum = " << wsum << endl ; |
---|
1663 | // newspec[ichan] /= wsum ; |
---|
1664 | // //ofs << "newspec[" << ichan << "] = " << newspec[ichan] << endl ; |
---|
1665 | // } |
---|
1666 | |
---|
1667 | // /*** |
---|
1668 | // * ichan = nChan-1 |
---|
1669 | // ***/ |
---|
1670 | // // NOTE: Assumed that all spectra have the same bandwidth |
---|
1671 | // pile += dnu ; |
---|
1672 | // newspec[nChan-1] += frac * olddnu * oldspec[refChan] ; |
---|
1673 | // newflag[nChan-1] = newflag[nChan-1] || oldflag[refChan] ; |
---|
1674 | // //ofs << "channel " << refChan << " is partly included in new channel " << nChan-1 << " with fraction of " << frac << endl ; |
---|
1675 | // refChan++ ; |
---|
1676 | // wedge += olddnu ; |
---|
1677 | // wsum = frac * olddnu ; |
---|
1678 | // //ofs << "newspec[" << nChan - 1 << "] = " << newspec[nChan-1] << " wsum = " << wsum << endl ; |
---|
1679 | // for ( int jchan = refChan ; jchan < oldsize ; jchan++ ) { |
---|
1680 | // newspec[nChan-1] += olddnu * oldspec[jchan] ; |
---|
1681 | // newflag[nChan-1] = newflag[nChan-1] || oldflag[jchan] ; |
---|
1682 | // wsum += olddnu ; |
---|
1683 | // //ofs << "channel " << jchan << " is included in new channel " << nChan-1 << " with fraction of " << frac << endl ; |
---|
1684 | // //ofs << "newspec[" << nChan - 1 << "] = " << newspec[nChan-1] << " wsum = " << wsum << endl ; |
---|
1685 | // } |
---|
1686 | // //ofs << "wedge = " << wedge << ", pile = " << pile << endl ; |
---|
1687 | // //ofs << "newspec[" << nChan - 1 << "] = " << newspec[nChan-1] << " wsum = " << wsum << endl ; |
---|
1688 | // newspec[nChan-1] /= wsum ; |
---|
1689 | // //ofs << "newspec[" << nChan - 1 << "] = " << newspec[nChan-1] << endl ; |
---|
1690 | |
---|
1691 | // specCol_.put( irow, newspec ) ; |
---|
1692 | // flagsCol_.put( irow, newflag ) ; |
---|
1693 | |
---|
1694 | // // ofs.close() ; |
---|
1695 | |
---|
1696 | |
---|
1697 | return ; |
---|
1698 | } |
---|
1699 | |
---|
1700 | std::vector<float> Scantable::getWeather(int whichrow) const |
---|
1701 | { |
---|
1702 | std::vector<float> out(5); |
---|
1703 | //Float temperature, pressure, humidity, windspeed, windaz; |
---|
1704 | weatherTable_.getEntry(out[0], out[1], out[2], out[3], out[4], |
---|
1705 | mweatheridCol_(uInt(whichrow))); |
---|
1706 | |
---|
1707 | |
---|
1708 | return out; |
---|
1709 | } |
---|
1710 | |
---|
1711 | } |
---|
1712 | //namespace asap |
---|