[805] | 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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[206] | 12 | #include <map> |
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| 13 | |
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[125] | 14 | #include <casa/aips.h> |
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[80] | 15 | #include <casa/iostream.h> |
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| 16 | #include <casa/iomanip.h> |
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[805] | 17 | #include <casa/OS/Path.h> |
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| 18 | #include <casa/OS/File.h> |
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[80] | 19 | #include <casa/Arrays/Array.h> |
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| 20 | #include <casa/Arrays/ArrayMath.h> |
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| 21 | #include <casa/Arrays/MaskArrMath.h> |
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| 22 | #include <casa/Arrays/ArrayLogical.h> |
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| 23 | #include <casa/Arrays/ArrayAccessor.h> |
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[455] | 24 | #include <casa/Arrays/VectorSTLIterator.h> |
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[206] | 25 | #include <casa/Arrays/Vector.h> |
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[418] | 26 | #include <casa/BasicMath/Math.h> |
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[504] | 27 | #include <casa/BasicSL/Constants.h> |
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[286] | 28 | #include <casa/Quanta/MVAngle.h> |
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[805] | 29 | #include <casa/Containers/RecordField.h> |
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[2] | 30 | |
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[80] | 31 | #include <tables/Tables/TableParse.h> |
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| 32 | #include <tables/Tables/TableDesc.h> |
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[488] | 33 | #include <tables/Tables/TableCopy.h> |
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[80] | 34 | #include <tables/Tables/SetupNewTab.h> |
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| 35 | #include <tables/Tables/ScaColDesc.h> |
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| 36 | #include <tables/Tables/ArrColDesc.h> |
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[805] | 37 | #include <tables/Tables/TableRow.h> |
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| 38 | #include <tables/Tables/TableVector.h> |
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| 39 | #include <tables/Tables/TableIter.h> |
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[2] | 40 | |
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[80] | 41 | #include <tables/Tables/ExprNode.h> |
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| 42 | #include <tables/Tables/TableRecord.h> |
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| 43 | #include <measures/Measures/MFrequency.h> |
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[805] | 44 | #include <measures/Measures/MEpoch.h> |
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[80] | 45 | #include <measures/Measures/MeasTable.h> |
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[805] | 46 | #include <measures/Measures/MeasRef.h> |
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| 47 | #include <measures/TableMeasures/TableMeasRefDesc.h> |
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| 48 | #include <measures/TableMeasures/TableMeasValueDesc.h> |
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| 49 | #include <measures/TableMeasures/TableMeasDesc.h> |
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| 50 | #include <measures/TableMeasures/ScalarMeasColumn.h> |
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[105] | 51 | #include <coordinates/Coordinates/CoordinateUtil.h> |
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[80] | 52 | #include <casa/Quanta/MVTime.h> |
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[281] | 53 | #include <casa/Quanta/MVAngle.h> |
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[2] | 54 | |
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[805] | 55 | #include "Scantable.h" |
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[476] | 56 | #include "SDAttr.h" |
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[2] | 57 | |
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[125] | 58 | using namespace casa; |
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[2] | 59 | |
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[805] | 60 | namespace asap { |
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| 61 | |
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| 62 | Scantable::Scantable(Table::TableType ttype) : |
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[852] | 63 | type_(ttype) |
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[206] | 64 | { |
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[805] | 65 | setupMainTable(); |
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[852] | 66 | freqTable_ = STFrequencies(*this); |
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[805] | 67 | table_.rwKeywordSet().defineTable("FREQUENCIES", freqTable_.table()); |
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[852] | 68 | weatherTable_ = STWeather(*this); |
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[805] | 69 | table_.rwKeywordSet().defineTable("WEATHER", weatherTable_.table()); |
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[852] | 70 | focusTable_ = STFocus(*this); |
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[805] | 71 | table_.rwKeywordSet().defineTable("FOCUS", focusTable_.table()); |
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[852] | 72 | tcalTable_ = STTcal(*this); |
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[805] | 73 | table_.rwKeywordSet().defineTable("TCAL", tcalTable_.table()); |
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[852] | 74 | moleculeTable_ = STMolecules(*this); |
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[805] | 75 | table_.rwKeywordSet().defineTable("MOLECULES", moleculeTable_.table()); |
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[860] | 76 | historyTable_ = STHistory(*this); |
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| 77 | table_.rwKeywordSet().defineTable("HISTORY", historyTable_.table()); |
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[805] | 78 | setupFitTable(); |
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[852] | 79 | fitTable_ = table_.keywordSet().asTable("FITS"); |
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[805] | 80 | originalTable_ = table_; |
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[322] | 81 | attach(); |
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[18] | 82 | } |
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[206] | 83 | |
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[805] | 84 | Scantable::Scantable(const std::string& name, Table::TableType ttype) : |
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[852] | 85 | type_(ttype) |
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[206] | 86 | { |
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[50] | 87 | Table tab(name); |
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[499] | 88 | Int version; |
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[483] | 89 | tab.keywordSet().get("VERSION", version); |
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| 90 | if (version != version_) { |
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| 91 | throw(AipsError("Unsupported version of ASAP file.")); |
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| 92 | } |
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[805] | 93 | if ( type_ == Table::Memory ) |
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[852] | 94 | table_ = tab.copyToMemoryTable(generateName()); |
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[805] | 95 | else |
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| 96 | table_ = tab; |
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[859] | 97 | attachSubtables(); |
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[805] | 98 | originalTable_ = table_; |
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[329] | 99 | attach(); |
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[2] | 100 | } |
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| 101 | |
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[805] | 102 | Scantable::Scantable( const Scantable& other, bool clear ) |
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[206] | 103 | { |
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[805] | 104 | // with or without data |
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[859] | 105 | String newname = String(generateName()); |
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| 106 | if ( other.table_.tableType() == Table::Memory ) { |
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| 107 | if ( clear ) { |
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| 108 | cout << "copy ctor memory clear" << endl; |
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| 109 | table_ = TableCopy::makeEmptyMemoryTable(newname, |
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| 110 | other.table_, True); |
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| 111 | } else |
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| 112 | table_ = other.table_.copyToMemoryTable(newname); |
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[16] | 113 | } else { |
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[859] | 114 | if ( clear ) { |
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| 115 | cout << "copy ctor clear" << endl; |
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| 116 | other.table_.deepCopy(newname, Table::New); |
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| 117 | cout << "reading table" << endl; |
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| 118 | table_ = Table(newname, Table::Scratch); |
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| 119 | cout << "removing rows" << endl; |
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| 120 | table_.removeRow(table_.rowNumbers()); |
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| 121 | |
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| 122 | } else { |
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| 123 | cout << "copy ctor no clear" << endl; |
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| 124 | other.table_.deepCopy(newname, Table::Scratch); |
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| 125 | table_ = Table(newname, Table::Scratch); |
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| 126 | } |
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[16] | 127 | } |
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[859] | 128 | //table_.rwKeywordSet().renameTables(newname, table_.tableName()); |
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| 129 | //cout << table_.keywordSet().asTable("TCAL").tableName() << endl; |
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| 130 | attachSubtables(); |
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[805] | 131 | originalTable_ = table_; |
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[322] | 132 | attach(); |
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[2] | 133 | } |
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| 134 | |
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[859] | 135 | void Scantable::attachSubtables() |
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| 136 | { |
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| 137 | freqTable_ = STFrequencies(table_); |
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| 138 | focusTable_ = STFocus(table_); |
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| 139 | weatherTable_ = STWeather(table_); |
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| 140 | tcalTable_ = STTcal(table_); |
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| 141 | moleculeTable_ = STMolecules(table_); |
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[860] | 142 | historyTable_ = STHistory(table_); |
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[859] | 143 | } |
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| 144 | |
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[805] | 145 | Scantable::~Scantable() |
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[206] | 146 | { |
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[805] | 147 | cout << "~Scantable() " << this << endl; |
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[2] | 148 | } |
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| 149 | |
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[805] | 150 | void Scantable::setupMainTable() |
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[206] | 151 | { |
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[805] | 152 | TableDesc td("", "1", TableDesc::Scratch); |
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| 153 | td.comment() = "An ASAP Scantable"; |
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| 154 | td.rwKeywordSet().define("VERSION", Int(version_)); |
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[2] | 155 | |
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[805] | 156 | // n Cycles |
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| 157 | td.addColumn(ScalarColumnDesc<uInt>("SCANNO")); |
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| 158 | // new index every nBeam x nIF x nPol |
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| 159 | td.addColumn(ScalarColumnDesc<uInt>("CYCLENO")); |
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[2] | 160 | |
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[805] | 161 | td.addColumn(ScalarColumnDesc<uInt>("BEAMNO")); |
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| 162 | td.addColumn(ScalarColumnDesc<uInt>("IFNO")); |
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| 163 | td.rwKeywordSet().define("POLTYPE", String("linear")); |
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| 164 | td.addColumn(ScalarColumnDesc<uInt>("POLNO")); |
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[138] | 165 | |
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[805] | 166 | td.addColumn(ScalarColumnDesc<uInt>("FREQ_ID")); |
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| 167 | td.addColumn(ScalarColumnDesc<uInt>("MOLECULE_ID")); |
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| 168 | // linear, circular, stokes [I Q U V], stokes1 [I Plinear Pangle V] |
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| 169 | td.addColumn(ScalarColumnDesc<Int>("REFBEAMNO")); |
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[80] | 170 | |
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[805] | 171 | td.addColumn(ScalarColumnDesc<Double>("TIME")); |
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| 172 | TableMeasRefDesc measRef(MEpoch::UTC); // UTC as default |
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| 173 | TableMeasValueDesc measVal(td, "TIME"); |
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| 174 | TableMeasDesc<MEpoch> mepochCol(measVal, measRef); |
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| 175 | mepochCol.write(td); |
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[483] | 176 | |
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[805] | 177 | td.addColumn(ScalarColumnDesc<Double>("INTERVAL")); |
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| 178 | |
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[2] | 179 | td.addColumn(ScalarColumnDesc<String>("SRCNAME")); |
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[805] | 180 | // Type of source (on=0, off=1, other=-1) |
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| 181 | td.addColumn(ScalarColumnDesc<Int>("SRCTYPE", Int(-1))); |
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| 182 | td.addColumn(ScalarColumnDesc<String>("FIELDNAME")); |
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| 183 | |
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| 184 | //The actual Data Vectors |
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[2] | 185 | td.addColumn(ArrayColumnDesc<Float>("SPECTRA")); |
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| 186 | td.addColumn(ArrayColumnDesc<uChar>("FLAGTRA")); |
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[89] | 187 | td.addColumn(ArrayColumnDesc<Float>("TSYS")); |
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[805] | 188 | |
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| 189 | td.addColumn(ArrayColumnDesc<Double>("DIRECTION", |
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| 190 | IPosition(1,2), |
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| 191 | ColumnDesc::Direct)); |
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| 192 | TableMeasRefDesc mdirRef(MDirection::J2000); // default |
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| 193 | TableMeasValueDesc tmvdMDir(td, "DIRECTION"); |
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| 194 | // the TableMeasDesc gives the column a type |
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| 195 | TableMeasDesc<MDirection> mdirCol(tmvdMDir, mdirRef); |
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| 196 | // writing create the measure column |
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| 197 | mdirCol.write(td); |
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| 198 | td.addColumn(ScalarColumnDesc<Double>("AZIMUTH")); |
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| 199 | td.addColumn(ScalarColumnDesc<Double>("ELEVATION")); |
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[105] | 200 | td.addColumn(ScalarColumnDesc<Float>("PARANGLE")); |
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| 201 | |
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[805] | 202 | td.addColumn(ScalarColumnDesc<uInt>("TCAL_ID")); |
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| 203 | td.addColumn(ScalarColumnDesc<uInt>("FIT_ID")); |
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| 204 | |
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| 205 | td.addColumn(ScalarColumnDesc<uInt>("FOCUS_ID")); |
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| 206 | td.addColumn(ScalarColumnDesc<uInt>("WEATHER_ID")); |
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| 207 | |
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| 208 | td.rwKeywordSet().define("OBSMODE", String("")); |
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| 209 | |
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[418] | 210 | // Now create Table SetUp from the description. |
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[859] | 211 | SetupNewTable aNewTab(generateName(), td, Table::Scratch); |
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[852] | 212 | table_ = Table(aNewTab, type_, 0); |
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[805] | 213 | originalTable_ = table_; |
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[745] | 214 | |
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[805] | 215 | } |
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[418] | 216 | |
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[805] | 217 | void Scantable::setupFitTable() |
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[322] | 218 | { |
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[39] | 219 | TableDesc td("", "1", TableDesc::Scratch); |
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[805] | 220 | td.addColumn(ScalarColumnDesc<uInt>("FIT_ID")); |
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[455] | 221 | td.addColumn(ArrayColumnDesc<String>("FUNCTIONS")); |
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| 222 | td.addColumn(ArrayColumnDesc<Int>("COMPONENTS")); |
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| 223 | td.addColumn(ArrayColumnDesc<Double>("PARAMETERS")); |
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| 224 | td.addColumn(ArrayColumnDesc<Bool>("PARMASK")); |
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[465] | 225 | td.addColumn(ArrayColumnDesc<String>("FRAMEINFO")); |
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[859] | 226 | SetupNewTable aNewTab("fits", td, Table::Scratch); |
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[455] | 227 | Table aTable(aNewTab, Table::Memory); |
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| 228 | table_.rwKeywordSet().defineTable("FITS", aTable); |
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| 229 | } |
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| 230 | |
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[805] | 231 | void Scantable::attach() |
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[455] | 232 | { |
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[805] | 233 | timeCol_.attach(table_, "TIME"); |
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| 234 | srcnCol_.attach(table_, "SRCNAME"); |
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| 235 | specCol_.attach(table_, "SPECTRA"); |
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| 236 | flagsCol_.attach(table_, "FLAGTRA"); |
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| 237 | tsCol_.attach(table_, "TSYS"); |
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| 238 | cycleCol_.attach(table_,"CYCLENO"); |
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| 239 | scanCol_.attach(table_, "SCANNO"); |
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| 240 | beamCol_.attach(table_, "BEAMNO"); |
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[847] | 241 | ifCol_.attach(table_, "IFNO"); |
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| 242 | polCol_.attach(table_, "POLNO"); |
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[805] | 243 | integrCol_.attach(table_, "INTERVAL"); |
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| 244 | azCol_.attach(table_, "AZIMUTH"); |
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| 245 | elCol_.attach(table_, "ELEVATION"); |
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| 246 | dirCol_.attach(table_, "DIRECTION"); |
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| 247 | paraCol_.attach(table_, "PARANGLE"); |
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| 248 | fldnCol_.attach(table_, "FIELDNAME"); |
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| 249 | rbeamCol_.attach(table_, "REFBEAMNO"); |
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[455] | 250 | |
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[805] | 251 | mfitidCol_.attach(table_,"FIT_ID"); |
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[859] | 252 | //fitidCol_.attach(fitTable_,"FIT_ID"); |
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[465] | 253 | |
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[805] | 254 | mfreqidCol_.attach(table_, "FREQ_ID"); |
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[465] | 255 | |
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[805] | 256 | mtcalidCol_.attach(table_, "TCAL_ID"); |
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[465] | 257 | |
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[805] | 258 | mfocusidCol_.attach(table_, "FOCUS_ID"); |
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[455] | 259 | |
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[805] | 260 | mmolidCol_.attach(table_, "MOLECULE_ID"); |
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[455] | 261 | } |
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| 262 | |
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[845] | 263 | void Scantable::setHeader(const SDHeader& sdh) |
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[206] | 264 | { |
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[18] | 265 | table_.rwKeywordSet().define("nIF", sdh.nif); |
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| 266 | table_.rwKeywordSet().define("nBeam", sdh.nbeam); |
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| 267 | table_.rwKeywordSet().define("nPol", sdh.npol); |
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| 268 | table_.rwKeywordSet().define("nChan", sdh.nchan); |
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| 269 | table_.rwKeywordSet().define("Observer", sdh.observer); |
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| 270 | table_.rwKeywordSet().define("Project", sdh.project); |
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| 271 | table_.rwKeywordSet().define("Obstype", sdh.obstype); |
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| 272 | table_.rwKeywordSet().define("AntennaName", sdh.antennaname); |
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| 273 | table_.rwKeywordSet().define("AntennaPosition", sdh.antennaposition); |
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| 274 | table_.rwKeywordSet().define("Equinox", sdh.equinox); |
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| 275 | table_.rwKeywordSet().define("FreqRefFrame", sdh.freqref); |
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| 276 | table_.rwKeywordSet().define("FreqRefVal", sdh.reffreq); |
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| 277 | table_.rwKeywordSet().define("Bandwidth", sdh.bandwidth); |
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| 278 | table_.rwKeywordSet().define("UTC", sdh.utc); |
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[206] | 279 | table_.rwKeywordSet().define("FluxUnit", sdh.fluxunit); |
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| 280 | table_.rwKeywordSet().define("Epoch", sdh.epoch); |
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[50] | 281 | } |
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[21] | 282 | |
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[845] | 283 | SDHeader Scantable::getHeader() const |
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[206] | 284 | { |
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[21] | 285 | SDHeader sdh; |
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| 286 | table_.keywordSet().get("nBeam",sdh.nbeam); |
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| 287 | table_.keywordSet().get("nIF",sdh.nif); |
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| 288 | table_.keywordSet().get("nPol",sdh.npol); |
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| 289 | table_.keywordSet().get("nChan",sdh.nchan); |
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| 290 | table_.keywordSet().get("Observer", sdh.observer); |
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| 291 | table_.keywordSet().get("Project", sdh.project); |
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| 292 | table_.keywordSet().get("Obstype", sdh.obstype); |
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| 293 | table_.keywordSet().get("AntennaName", sdh.antennaname); |
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| 294 | table_.keywordSet().get("AntennaPosition", sdh.antennaposition); |
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| 295 | table_.keywordSet().get("Equinox", sdh.equinox); |
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| 296 | table_.keywordSet().get("FreqRefFrame", sdh.freqref); |
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| 297 | table_.keywordSet().get("FreqRefVal", sdh.reffreq); |
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| 298 | table_.keywordSet().get("Bandwidth", sdh.bandwidth); |
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| 299 | table_.keywordSet().get("UTC", sdh.utc); |
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[206] | 300 | table_.keywordSet().get("FluxUnit", sdh.fluxunit); |
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| 301 | table_.keywordSet().get("Epoch", sdh.epoch); |
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[21] | 302 | return sdh; |
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[18] | 303 | } |
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[805] | 304 | |
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[845] | 305 | bool Scantable::conformant( const Scantable& other ) |
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| 306 | { |
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| 307 | return this->getHeader().conformant(other.getHeader()); |
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| 308 | } |
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| 309 | |
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| 310 | |
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[837] | 311 | int Scantable::nscan() const { |
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[805] | 312 | int n = 0; |
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| 313 | int previous = -1; int current = 0; |
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[322] | 314 | for (uInt i=0; i< scanCol_.nrow();i++) { |
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| 315 | scanCol_.getScalar(i,current); |
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[50] | 316 | if (previous != current) { |
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[89] | 317 | previous = current; |
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[50] | 318 | n++; |
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| 319 | } |
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| 320 | } |
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| 321 | return n; |
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| 322 | } |
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| 323 | |
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[805] | 324 | std::string Scantable::formatSec(Double x) const |
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[206] | 325 | { |
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[105] | 326 | Double xcop = x; |
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| 327 | MVTime mvt(xcop/24./3600.); // make days |
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[365] | 328 | |
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[105] | 329 | if (x < 59.95) |
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[281] | 330 | return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_HM, 7)+"s"; |
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[745] | 331 | else if (x < 3599.95) |
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[281] | 332 | return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_H,7)+" "; |
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| 333 | else { |
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| 334 | ostringstream oss; |
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| 335 | oss << setw(2) << std::right << setprecision(1) << mvt.hour(); |
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| 336 | oss << ":" << mvt.string(MVTime::TIME_CLEAN_NO_H,7) << " "; |
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| 337 | return String(oss); |
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[745] | 338 | } |
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[105] | 339 | }; |
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| 340 | |
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[805] | 341 | std::string Scantable::formatDirection(const MDirection& md) const |
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[281] | 342 | { |
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| 343 | Vector<Double> t = md.getAngle(Unit(String("rad"))).getValue(); |
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| 344 | Int prec = 7; |
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| 345 | |
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| 346 | MVAngle mvLon(t[0]); |
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| 347 | String sLon = mvLon.string(MVAngle::TIME,prec); |
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| 348 | MVAngle mvLat(t[1]); |
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| 349 | String sLat = mvLat.string(MVAngle::ANGLE+MVAngle::DIG2,prec); |
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[380] | 350 | return sLon + String(" ") + sLat; |
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[281] | 351 | } |
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| 352 | |
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| 353 | |
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[805] | 354 | std::string Scantable::getFluxUnit() const |
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[206] | 355 | { |
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[847] | 356 | return table_.keywordSet().asString("FluxUnit"); |
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[206] | 357 | } |
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| 358 | |
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[805] | 359 | void Scantable::setFluxUnit(const std::string& unit) |
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[218] | 360 | { |
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| 361 | String tmp(unit); |
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| 362 | Unit tU(tmp); |
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| 363 | if (tU==Unit("K") || tU==Unit("Jy")) { |
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| 364 | table_.rwKeywordSet().define(String("FluxUnit"), tmp); |
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| 365 | } else { |
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| 366 | throw AipsError("Illegal unit - must be compatible with Jy or K"); |
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| 367 | } |
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| 368 | } |
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| 369 | |
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[805] | 370 | void Scantable::setInstrument(const std::string& name) |
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[236] | 371 | { |
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[805] | 372 | bool throwIt = true; |
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[476] | 373 | Instrument ins = SDAttr::convertInstrument(name, throwIt); |
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[236] | 374 | String nameU(name); |
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| 375 | nameU.upcase(); |
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| 376 | table_.rwKeywordSet().define(String("AntennaName"), nameU); |
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| 377 | } |
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| 378 | |
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[805] | 379 | MPosition Scantable::getAntennaPosition () const |
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| 380 | { |
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| 381 | Vector<Double> antpos; |
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| 382 | table_.keywordSet().get("AntennaPosition", antpos); |
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| 383 | MVPosition mvpos(antpos(0),antpos(1),antpos(2)); |
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| 384 | return MPosition(mvpos); |
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| 385 | } |
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[281] | 386 | |
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[805] | 387 | void Scantable::makePersistent(const std::string& filename) |
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| 388 | { |
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| 389 | String inname(filename); |
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| 390 | Path path(inname); |
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| 391 | inname = path.expandedName(); |
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[859] | 392 | //cout << table_.tableName() << endl; |
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| 393 | //cout << freqTable_.table().tableName() << endl; |
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[805] | 394 | table_.deepCopy(inname, Table::New); |
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[859] | 395 | //Table t = Table(inname, Table::Update); |
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| 396 | //cout << t.keywordSet().asTable("FREQUENCIES").tableName() << endl; |
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[805] | 397 | } |
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| 398 | |
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[837] | 399 | int Scantable::nbeam( int scanno ) const |
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[805] | 400 | { |
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| 401 | if ( scanno < 0 ) { |
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| 402 | Int n; |
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| 403 | table_.keywordSet().get("nBeam",n); |
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| 404 | return int(n); |
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[105] | 405 | } else { |
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[805] | 406 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
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| 407 | Table tab = table_(table_.col("SCANNO") == scanno |
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| 408 | && table_.col("POLNO") == 0 |
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| 409 | && table_.col("IFNO") == 0 |
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| 410 | && table_.col("CYCLENO") == 0 ); |
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| 411 | ROTableVector<uInt> v(tab, "BEAMNO"); |
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| 412 | return int(v.nelements()); |
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[105] | 413 | } |
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[805] | 414 | return 0; |
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| 415 | } |
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[455] | 416 | |
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[837] | 417 | int Scantable::nif( int scanno ) const |
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[805] | 418 | { |
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| 419 | if ( scanno < 0 ) { |
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| 420 | Int n; |
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| 421 | table_.keywordSet().get("nIF",n); |
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| 422 | return int(n); |
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| 423 | } else { |
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| 424 | // take the first POLNO,BEAMNO,CYCLENO as nbeam shouldn't vary with these |
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| 425 | Table tab = table_(table_.col("SCANNO") == scanno |
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| 426 | && table_.col("POLNO") == 0 |
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| 427 | && table_.col("BEAMNO") == 0 |
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| 428 | && table_.col("CYCLENO") == 0 ); |
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| 429 | ROTableVector<uInt> v(tab, "IFNO"); |
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| 430 | return int(v.nelements()); |
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[2] | 431 | } |
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[805] | 432 | return 0; |
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| 433 | } |
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[321] | 434 | |
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[837] | 435 | int Scantable::npol( int scanno ) const |
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[805] | 436 | { |
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| 437 | if ( scanno < 0 ) { |
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| 438 | Int n; |
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| 439 | table_.keywordSet().get("nPol",n); |
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| 440 | return n; |
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| 441 | } else { |
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| 442 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
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| 443 | Table tab = table_(table_.col("SCANNO") == scanno |
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| 444 | && table_.col("IFNO") == 0 |
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| 445 | && table_.col("BEAMNO") == 0 |
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| 446 | && table_.col("CYCLENO") == 0 ); |
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| 447 | ROTableVector<uInt> v(tab, "POLNO"); |
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| 448 | return int(v.nelements()); |
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[321] | 449 | } |
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[805] | 450 | return 0; |
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[2] | 451 | } |
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[805] | 452 | |
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[845] | 453 | int Scantable::ncycle( int scanno ) const |
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[206] | 454 | { |
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[805] | 455 | if ( scanno < 0 ) { |
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[837] | 456 | Block<String> cols(2); |
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| 457 | cols[0] = "SCANNO"; |
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| 458 | cols[1] = "CYCLENO"; |
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| 459 | TableIterator it(table_, cols); |
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| 460 | int n = 0; |
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| 461 | while ( !it.pastEnd() ) { |
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| 462 | ++n; |
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| 463 | } |
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| 464 | return n; |
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[805] | 465 | } else { |
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| 466 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
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| 467 | Table tab = table_(table_.col("SCANNO") == scanno |
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| 468 | && table_.col("BEAMNO") == 0 |
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| 469 | && table_.col("IFNO") == 0 |
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| 470 | && table_.col("POLNO") == 0 ); |
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| 471 | return int(tab.nrow()); |
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| 472 | } |
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| 473 | return 0; |
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[18] | 474 | } |
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[455] | 475 | |
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| 476 | |
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[845] | 477 | int Scantable::nrow( int scanno ) const |
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[805] | 478 | { |
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[845] | 479 | return int(table_.nrow()); |
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| 480 | } |
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| 481 | |
---|
| 482 | int Scantable::nchan( int ifno ) const |
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| 483 | { |
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| 484 | if ( ifno < 0 ) { |
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[805] | 485 | Int n; |
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| 486 | table_.keywordSet().get("nChan",n); |
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| 487 | return int(n); |
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| 488 | } else { |
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[845] | 489 | // take the first SCANNO,POLNO,BEAMNO,CYCLENO as nbeam shouldn't vary with these |
---|
| 490 | Table tab = table_(table_.col("SCANNO") == 0 |
---|
[805] | 491 | && table_.col("IFNO") == ifno |
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| 492 | && table_.col("BEAMNO") == 0 |
---|
| 493 | && table_.col("POLNO") == 0 |
---|
| 494 | && table_.col("CYCLENO") == 0 ); |
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| 495 | ROArrayColumn<Float> v(tab, "SPECTRA"); |
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[837] | 496 | return v(0).nelements(); |
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[805] | 497 | } |
---|
| 498 | return 0; |
---|
[18] | 499 | } |
---|
[455] | 500 | |
---|
[847] | 501 | |
---|
| 502 | int Scantable::getBeam(int whichrow) const |
---|
| 503 | { |
---|
| 504 | return beamCol_(whichrow); |
---|
| 505 | } |
---|
| 506 | |
---|
| 507 | int Scantable::getIF(int whichrow) const |
---|
| 508 | { |
---|
| 509 | return ifCol_(whichrow); |
---|
| 510 | } |
---|
| 511 | |
---|
| 512 | int Scantable::getPol(int whichrow) const |
---|
| 513 | { |
---|
| 514 | return polCol_(whichrow); |
---|
| 515 | } |
---|
| 516 | |
---|
[805] | 517 | std::string Scantable::formatTime(const MEpoch& me, bool showdate) const |
---|
| 518 | { |
---|
| 519 | MVTime mvt(me.getValue()); |
---|
| 520 | if (showdate) |
---|
| 521 | mvt.setFormat(MVTime::YMD); |
---|
| 522 | else |
---|
| 523 | mvt.setFormat(MVTime::TIME); |
---|
| 524 | ostringstream oss; |
---|
| 525 | oss << mvt; |
---|
| 526 | return String(oss); |
---|
| 527 | } |
---|
[488] | 528 | |
---|
[805] | 529 | void Scantable::calculateAZEL() |
---|
| 530 | { |
---|
| 531 | MPosition mp = getAntennaPosition(); |
---|
| 532 | MEpoch::ROScalarColumn timeCol(table_, "TIME"); |
---|
| 533 | ostringstream oss; |
---|
| 534 | oss << "Computed azimuth/elevation using " << endl |
---|
| 535 | << mp << endl; |
---|
| 536 | for (uInt i=0; i<nrow(); ++i) { |
---|
| 537 | MEpoch me = timeCol(i); |
---|
| 538 | MDirection md = dirCol_(i); |
---|
| 539 | dirCol_.get(i,md); |
---|
| 540 | oss << " Time: " << formatTime(me,False) << " Direction: " << formatDirection(md) |
---|
| 541 | << endl << " => "; |
---|
| 542 | MeasFrame frame(mp, me); |
---|
| 543 | Vector<Double> azel = |
---|
| 544 | MDirection::Convert(md, MDirection::Ref(MDirection::AZEL, |
---|
| 545 | frame) |
---|
| 546 | )().getAngle("rad").getValue(); |
---|
| 547 | azCol_.put(i,azel[0]); |
---|
| 548 | elCol_.put(i,azel[1]); |
---|
| 549 | oss << "azel: " << azel[0]/C::pi*180.0 << " " |
---|
| 550 | << azel[1]/C::pi*180.0 << " (deg)" << endl; |
---|
[16] | 551 | } |
---|
[805] | 552 | pushLog(String(oss)); |
---|
| 553 | } |
---|
[89] | 554 | |
---|
[805] | 555 | std::vector<bool> Scantable::getMask(int whichrow) const |
---|
| 556 | { |
---|
| 557 | Vector<uChar> flags; |
---|
| 558 | flagsCol_.get(uInt(whichrow), flags); |
---|
| 559 | Vector<Bool> bflag(flags.shape()); |
---|
| 560 | convertArray(bflag, flags); |
---|
| 561 | bflag = !bflag; |
---|
| 562 | std::vector<bool> mask; |
---|
| 563 | bflag.tovector(mask); |
---|
| 564 | return mask; |
---|
| 565 | } |
---|
[89] | 566 | |
---|
[805] | 567 | std::vector<float> Scantable::getSpectrum(int whichrow) const |
---|
| 568 | { |
---|
| 569 | Vector<Float> arr; |
---|
| 570 | specCol_.get(whichrow, arr); |
---|
| 571 | std::vector<float> out; |
---|
| 572 | arr.tovector(out); |
---|
| 573 | return out; |
---|
[89] | 574 | } |
---|
[212] | 575 | |
---|
[805] | 576 | String Scantable::generateName() |
---|
[745] | 577 | { |
---|
[805] | 578 | return (File::newUniqueName("./","temp")).baseName(); |
---|
[212] | 579 | } |
---|
| 580 | |
---|
[805] | 581 | const casa::Table& Scantable::table( ) const |
---|
[212] | 582 | { |
---|
[805] | 583 | return table_; |
---|
[212] | 584 | } |
---|
| 585 | |
---|
[805] | 586 | casa::Table& Scantable::table( ) |
---|
[386] | 587 | { |
---|
[805] | 588 | return table_; |
---|
[386] | 589 | } |
---|
| 590 | |
---|
[805] | 591 | std::string Scantable::getPolarizationLabel(bool linear, bool stokes, |
---|
| 592 | bool linpol, int polidx) const |
---|
[401] | 593 | { |
---|
[805] | 594 | uInt idx = 0; |
---|
| 595 | if (polidx >=0) idx = polidx; |
---|
| 596 | return ""; |
---|
| 597 | //return SDPolUtil::polarizationLabel(idx, linear, stokes, linpol); |
---|
[401] | 598 | } |
---|
[386] | 599 | |
---|
[805] | 600 | void Scantable::unsetSelection() |
---|
[380] | 601 | { |
---|
[805] | 602 | table_ = originalTable_; |
---|
[847] | 603 | attach(); |
---|
[805] | 604 | selector_.reset(); |
---|
[380] | 605 | } |
---|
[386] | 606 | |
---|
[805] | 607 | void Scantable::setSelection( const STSelector& selection ) |
---|
[430] | 608 | { |
---|
[805] | 609 | Table tab = const_cast<STSelector&>(selection).apply(originalTable_); |
---|
| 610 | if ( tab.nrow() == 0 ) { |
---|
| 611 | throw(AipsError("Selection contains no data. Not applying it.")); |
---|
| 612 | } |
---|
| 613 | table_ = tab; |
---|
[847] | 614 | attach(); |
---|
[805] | 615 | selector_ = selection; |
---|
[430] | 616 | } |
---|
| 617 | |
---|
[837] | 618 | std::string Scantable::summary( bool verbose ) |
---|
[447] | 619 | { |
---|
[805] | 620 | // Format header info |
---|
| 621 | ostringstream oss; |
---|
| 622 | oss << endl; |
---|
| 623 | oss << asap::SEPERATOR << endl; |
---|
| 624 | oss << " Scan Table Summary" << endl; |
---|
| 625 | oss << asap::SEPERATOR << endl; |
---|
| 626 | oss.flags(std::ios_base::left); |
---|
| 627 | oss << setw(15) << "Beams:" << setw(4) << nbeam() << endl |
---|
| 628 | << setw(15) << "IFs:" << setw(4) << nif() << endl |
---|
| 629 | << setw(15) << "Polarisations:" << setw(4) << npol() << endl |
---|
| 630 | << setw(15) << "Channels:" << setw(4) << nchan() << endl; |
---|
| 631 | oss << endl; |
---|
| 632 | String tmp; |
---|
[860] | 633 | oss << setw(15) << "Observer:" |
---|
| 634 | << table_.keywordSet().asString("Observer") << endl; |
---|
[805] | 635 | oss << setw(15) << "Obs Date:" << getTime(-1,true) << endl; |
---|
| 636 | table_.keywordSet().get("Project", tmp); |
---|
| 637 | oss << setw(15) << "Project:" << tmp << endl; |
---|
| 638 | table_.keywordSet().get("Obstype", tmp); |
---|
| 639 | oss << setw(15) << "Obs. Type:" << tmp << endl; |
---|
| 640 | table_.keywordSet().get("AntennaName", tmp); |
---|
| 641 | oss << setw(15) << "Antenna Name:" << tmp << endl; |
---|
| 642 | table_.keywordSet().get("FluxUnit", tmp); |
---|
| 643 | oss << setw(15) << "Flux Unit:" << tmp << endl; |
---|
| 644 | Vector<Float> vec; |
---|
| 645 | oss << setw(15) << "Rest Freqs:"; |
---|
| 646 | if (vec.nelements() > 0) { |
---|
| 647 | oss << setprecision(10) << vec << " [Hz]" << endl; |
---|
| 648 | } else { |
---|
| 649 | oss << "none" << endl; |
---|
| 650 | } |
---|
| 651 | oss << setw(15) << "Abcissa:" << "channel" << endl; |
---|
| 652 | oss << selector_.print() << endl; |
---|
| 653 | oss << endl; |
---|
| 654 | // main table |
---|
| 655 | String dirtype = "Position (" |
---|
| 656 | + MDirection::showType(dirCol_.getMeasRef().getType()) |
---|
| 657 | + ")"; |
---|
| 658 | oss << setw(5) << "Scan" |
---|
| 659 | << setw(15) << "Source" |
---|
| 660 | // << setw(24) << dirtype |
---|
| 661 | << setw(10) << "Time" |
---|
| 662 | << setw(18) << "Integration" << endl |
---|
| 663 | << setw(5) << "" << setw(10) << "Beam" << dirtype << endl |
---|
| 664 | << setw(15) << "" << setw(5) << "IF" |
---|
| 665 | << setw(8) << "Frame" << setw(16) |
---|
| 666 | << "RefVal" << setw(10) << "RefPix" << setw(12) << "Increment" <<endl; |
---|
| 667 | oss << asap::SEPERATOR << endl; |
---|
| 668 | TableIterator iter(table_, "SCANNO"); |
---|
| 669 | while (!iter.pastEnd()) { |
---|
| 670 | Table subt = iter.table(); |
---|
| 671 | ROTableRow row(subt); |
---|
| 672 | MEpoch::ROScalarColumn timeCol(subt,"TIME"); |
---|
| 673 | const TableRecord& rec = row.get(0); |
---|
| 674 | oss << setw(4) << std::right << rec.asuInt("SCANNO") |
---|
| 675 | << std::left << setw(1) << "" |
---|
| 676 | << setw(15) << rec.asString("SRCNAME") |
---|
| 677 | << setw(10) << formatTime(timeCol(0), false); |
---|
| 678 | // count the cycles in the scan |
---|
| 679 | TableIterator cyciter(subt, "CYCLENO"); |
---|
| 680 | int nint = 0; |
---|
| 681 | while (!cyciter.pastEnd()) { |
---|
| 682 | ++nint; |
---|
| 683 | ++cyciter; |
---|
| 684 | } |
---|
| 685 | oss << setw(3) << std::right << nint << setw(3) << " x " << std::left |
---|
| 686 | << setw(6) << formatSec(rec.asFloat("INTERVAL")) << endl; |
---|
[447] | 687 | |
---|
[805] | 688 | TableIterator biter(subt, "BEAMNO"); |
---|
| 689 | while (!biter.pastEnd()) { |
---|
| 690 | Table bsubt = biter.table(); |
---|
| 691 | ROTableRow brow(bsubt); |
---|
| 692 | MDirection::ROScalarColumn bdirCol(bsubt,"DIRECTION"); |
---|
| 693 | const TableRecord& brec = brow.get(0); |
---|
| 694 | oss << setw(6) << "" << setw(10) << brec.asuInt("BEAMNO"); |
---|
| 695 | oss << setw(24) << formatDirection(bdirCol(0)) << endl; |
---|
| 696 | TableIterator iiter(bsubt, "IFNO"); |
---|
| 697 | while (!iiter.pastEnd()) { |
---|
| 698 | Table isubt = iiter.table(); |
---|
| 699 | ROTableRow irow(isubt); |
---|
| 700 | const TableRecord& irec = irow.get(0); |
---|
| 701 | oss << std::right <<setw(8) << "" << std::left << irec.asuInt("IFNO"); |
---|
| 702 | oss << frequencies().print(irec.asuInt("FREQ_ID")); |
---|
[447] | 703 | |
---|
[805] | 704 | ++iiter; |
---|
| 705 | } |
---|
| 706 | ++biter; |
---|
| 707 | } |
---|
| 708 | ++iter; |
---|
[447] | 709 | } |
---|
[805] | 710 | /// @todo implement verbose mode |
---|
| 711 | return String(oss); |
---|
[447] | 712 | } |
---|
| 713 | |
---|
[805] | 714 | std::string Scantable::getTime(int whichrow, bool showdate) const |
---|
[777] | 715 | { |
---|
[805] | 716 | MEpoch::ROScalarColumn timeCol(table_, "TIME"); |
---|
| 717 | MEpoch me; |
---|
| 718 | if (whichrow > -1) { |
---|
| 719 | me = timeCol(uInt(whichrow)); |
---|
| 720 | } else { |
---|
| 721 | Double tm; |
---|
| 722 | table_.keywordSet().get("UTC",tm); |
---|
| 723 | me = MEpoch(MVEpoch(tm)); |
---|
[777] | 724 | } |
---|
[805] | 725 | return formatTime(me, showdate); |
---|
[777] | 726 | } |
---|
[805] | 727 | |
---|
[847] | 728 | std::string Scantable::getAbcissaLabel( int whichrow ) const |
---|
| 729 | { |
---|
| 730 | if ( whichrow > table_.nrow() ) throw(AipsError("Illegal ro number")); |
---|
| 731 | const MPosition& mp = getAntennaPosition(); |
---|
| 732 | const MDirection& md = dirCol_(whichrow); |
---|
| 733 | const MEpoch& me = timeCol_(whichrow); |
---|
| 734 | const Double& rf = mmolidCol_(whichrow); |
---|
| 735 | SpectralCoordinate spc = |
---|
| 736 | freqTable_.getSpectralCoordinate(md, mp, me, rf, mfreqidCol_(whichrow)); |
---|
| 737 | |
---|
| 738 | String s = "Channel"; |
---|
| 739 | Unit u = Unit(freqTable_.getUnitString()); |
---|
| 740 | if (u == Unit("km/s")) { |
---|
| 741 | s = CoordinateUtil::axisLabel(spc,0,True,True,True); |
---|
| 742 | } else if (u == Unit("Hz")) { |
---|
| 743 | Vector<String> wau(1);wau = u.getName(); |
---|
| 744 | spc.setWorldAxisUnits(wau); |
---|
| 745 | |
---|
| 746 | s = CoordinateUtil::axisLabel(spc,0,True,True,False); |
---|
| 747 | } |
---|
| 748 | return s; |
---|
| 749 | |
---|
| 750 | } |
---|
| 751 | |
---|
| 752 | void asap::Scantable::setRestFrequencies( double rf, const std::string& unit ) |
---|
| 753 | { |
---|
| 754 | ///@todo lookup in line table |
---|
| 755 | Unit u(unit); |
---|
| 756 | Quantum<Double> urf(rf, u); |
---|
| 757 | uInt id = moleculeTable_.addEntry(urf.getValue("Hz"), "", ""); |
---|
| 758 | TableVector<uInt> tabvec(table_, "MOLECULE_ID"); |
---|
| 759 | tabvec = id; |
---|
| 760 | } |
---|
| 761 | |
---|
| 762 | void asap::Scantable::setRestFrequencies( const std::string& name ) |
---|
| 763 | { |
---|
| 764 | throw(AipsError("setRestFrequencies( const std::string& name ) NYI")); |
---|
| 765 | ///@todo implement |
---|
| 766 | } |
---|
| 767 | |
---|
[852] | 768 | std::vector< unsigned int > asap::Scantable::rownumbers( ) const |
---|
| 769 | { |
---|
| 770 | std::vector<unsigned int> stlout; |
---|
| 771 | Vector<uInt> vec = table_.rowNumbers(); |
---|
| 772 | vec.tovector(stlout); |
---|
| 773 | return stlout; |
---|
| 774 | } |
---|
| 775 | |
---|
[805] | 776 | }//namespace asap |
---|