[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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| 63 | type_(ttype),
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| 64 | freqTable_(ttype),
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| 65 | focusTable_(ttype),
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| 66 | weatherTable_(ttype),
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| 67 | tcalTable_(ttype),
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| 68 | moleculeTable_(ttype)
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[206] | 69 | {
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[805] | 70 | setupMainTable();
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| 71 | table_.rwKeywordSet().defineTable("FREQUENCIES", freqTable_.table());
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| 72 | table_.rwKeywordSet().defineTable("WEATHER", weatherTable_.table());
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| 73 | table_.rwKeywordSet().defineTable("FOCUS", focusTable_.table());
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| 74 | table_.rwKeywordSet().defineTable("TCAL", tcalTable_.table());
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| 75 | table_.rwKeywordSet().defineTable("MOLECULES", moleculeTable_.table());
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| 76 | setupHistoryTable();
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| 77 | setupFitTable();
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| 78 |
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| 79 | originalTable_ = table_;
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[322] | 80 | attach();
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[18] | 81 | }
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[206] | 82 |
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[805] | 83 | Scantable::Scantable(const std::string& name, Table::TableType ttype) :
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| 84 | type_(ttype),
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| 85 | freqTable_(ttype)
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[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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| 94 | table_ = tab.copyToMemoryTable("dummy");
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| 95 | else
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| 96 | table_ = tab;
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| 97 |
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| 98 | originalTable_ = table_;
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[329] | 99 | attach();
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[2] | 100 | }
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| 101 |
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[805] | 102 |
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| 103 | Scantable::Scantable( const Scantable& other, bool clear )
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[206] | 104 | {
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[805] | 105 | // with or without data
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[16] | 106 | if (clear) {
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[805] | 107 | table_ = TableCopy::makeEmptyMemoryTable(String("dummy"), other.table_,
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| 108 | True);
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[16] | 109 | } else {
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[805] | 110 | table_ = other.table_.copyToMemoryTable(String("dummy"));
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[16] | 111 | }
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[483] | 112 |
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[805] | 113 | originalTable_ = table_;
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[322] | 114 | attach();
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[2] | 115 | }
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| 116 |
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[805] | 117 | Scantable::~Scantable()
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[206] | 118 | {
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[805] | 119 | cout << "~Scantable() " << this << endl;
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[2] | 120 | }
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| 121 |
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[805] | 122 | void Scantable::setupMainTable()
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[206] | 123 | {
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[805] | 124 | TableDesc td("", "1", TableDesc::Scratch);
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| 125 | td.comment() = "An ASAP Scantable";
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| 126 | td.rwKeywordSet().define("VERSION", Int(version_));
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[2] | 127 |
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[805] | 128 | // n Cycles
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| 129 | td.addColumn(ScalarColumnDesc<uInt>("SCANNO"));
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| 130 | // new index every nBeam x nIF x nPol
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| 131 | td.addColumn(ScalarColumnDesc<uInt>("CYCLENO"));
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[2] | 132 |
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[805] | 133 | td.addColumn(ScalarColumnDesc<uInt>("BEAMNO"));
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| 134 | td.addColumn(ScalarColumnDesc<uInt>("IFNO"));
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| 135 | td.rwKeywordSet().define("POLTYPE", String("linear"));
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| 136 | td.addColumn(ScalarColumnDesc<uInt>("POLNO"));
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[138] | 137 |
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[805] | 138 | td.addColumn(ScalarColumnDesc<uInt>("FREQ_ID"));
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| 139 | td.addColumn(ScalarColumnDesc<uInt>("MOLECULE_ID"));
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| 140 | // linear, circular, stokes [I Q U V], stokes1 [I Plinear Pangle V]
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| 141 | td.addColumn(ScalarColumnDesc<Int>("REFBEAMNO"));
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[80] | 142 |
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[805] | 143 | td.addColumn(ScalarColumnDesc<Double>("TIME"));
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| 144 | TableMeasRefDesc measRef(MEpoch::UTC); // UTC as default
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| 145 | TableMeasValueDesc measVal(td, "TIME");
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| 146 | TableMeasDesc<MEpoch> mepochCol(measVal, measRef);
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| 147 | mepochCol.write(td);
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[483] | 148 |
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[805] | 149 | td.addColumn(ScalarColumnDesc<Double>("INTERVAL"));
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| 150 |
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[2] | 151 | td.addColumn(ScalarColumnDesc<String>("SRCNAME"));
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[805] | 152 | // Type of source (on=0, off=1, other=-1)
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| 153 | td.addColumn(ScalarColumnDesc<Int>("SRCTYPE", Int(-1)));
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| 154 | td.addColumn(ScalarColumnDesc<String>("FIELDNAME"));
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| 155 |
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| 156 | //The actual Data Vectors
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[2] | 157 | td.addColumn(ArrayColumnDesc<Float>("SPECTRA"));
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| 158 | td.addColumn(ArrayColumnDesc<uChar>("FLAGTRA"));
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[89] | 159 | td.addColumn(ArrayColumnDesc<Float>("TSYS"));
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[805] | 160 |
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| 161 | td.addColumn(ArrayColumnDesc<Double>("DIRECTION",
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| 162 | IPosition(1,2),
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| 163 | ColumnDesc::Direct));
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| 164 | TableMeasRefDesc mdirRef(MDirection::J2000); // default
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| 165 | TableMeasValueDesc tmvdMDir(td, "DIRECTION");
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| 166 | // the TableMeasDesc gives the column a type
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| 167 | TableMeasDesc<MDirection> mdirCol(tmvdMDir, mdirRef);
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| 168 | // writing create the measure column
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| 169 | mdirCol.write(td);
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| 170 | td.addColumn(ScalarColumnDesc<Double>("AZIMUTH"));
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| 171 | td.addColumn(ScalarColumnDesc<Double>("ELEVATION"));
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[105] | 172 | td.addColumn(ScalarColumnDesc<Float>("PARANGLE"));
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| 173 |
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[805] | 174 | td.addColumn(ScalarColumnDesc<uInt>("TCAL_ID"));
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| 175 | td.addColumn(ScalarColumnDesc<uInt>("FIT_ID"));
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| 176 |
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| 177 | td.addColumn(ScalarColumnDesc<uInt>("FOCUS_ID"));
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| 178 | td.addColumn(ScalarColumnDesc<uInt>("WEATHER_ID"));
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| 179 |
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| 180 | td.rwKeywordSet().define("OBSMODE", String(""));
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| 181 |
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[418] | 182 | // Now create Table SetUp from the description.
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[22] | 183 | SetupNewTable aNewTab("dummy", td, Table::New);
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[805] | 184 | table_ = Table(aNewTab, Table::Memory, 0);
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[418] | 185 |
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[805] | 186 | originalTable_ = table_;
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[745] | 187 |
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[805] | 188 | }
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[418] | 189 |
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[837] | 190 | void Scantable::setupHistoryTable( )
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[805] | 191 | {
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[483] | 192 | TableDesc tdh("", "1", TableDesc::Scratch);
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| 193 | tdh.addColumn(ScalarColumnDesc<String>("ITEM"));
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[805] | 194 | SetupNewTable histtab("history", tdh, Table::New);
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[483] | 195 | Table histTable(histtab, Table::Memory);
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| 196 | table_.rwKeywordSet().defineTable("HISTORY", histTable);
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[2] | 197 | }
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| 198 |
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[805] | 199 | void Scantable::setupFitTable()
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[322] | 200 | {
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[39] | 201 | TableDesc td("", "1", TableDesc::Scratch);
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[805] | 202 | td.addColumn(ScalarColumnDesc<uInt>("FIT_ID"));
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[455] | 203 | td.addColumn(ArrayColumnDesc<String>("FUNCTIONS"));
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| 204 | td.addColumn(ArrayColumnDesc<Int>("COMPONENTS"));
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| 205 | td.addColumn(ArrayColumnDesc<Double>("PARAMETERS"));
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| 206 | td.addColumn(ArrayColumnDesc<Bool>("PARMASK"));
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[465] | 207 | td.addColumn(ArrayColumnDesc<String>("FRAMEINFO"));
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[455] | 208 | SetupNewTable aNewTab("fits", td, Table::New);
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| 209 | Table aTable(aNewTab, Table::Memory);
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| 210 | table_.rwKeywordSet().defineTable("FITS", aTable);
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| 211 | }
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| 212 |
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[805] | 213 | void Scantable::attach()
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[455] | 214 | {
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[805] | 215 | historyTable_ = table_.keywordSet().asTable("HISTORY");
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| 216 | fitTable_ = table_.keywordSet().asTable("FITS");
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[455] | 217 |
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[805] | 218 | timeCol_.attach(table_, "TIME");
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| 219 | srcnCol_.attach(table_, "SRCNAME");
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| 220 | specCol_.attach(table_, "SPECTRA");
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| 221 | flagsCol_.attach(table_, "FLAGTRA");
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| 222 | tsCol_.attach(table_, "TSYS");
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| 223 | cycleCol_.attach(table_,"CYCLENO");
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| 224 | scanCol_.attach(table_, "SCANNO");
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| 225 | beamCol_.attach(table_, "BEAMNO");
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[847] | 226 | ifCol_.attach(table_, "IFNO");
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| 227 | polCol_.attach(table_, "POLNO");
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[805] | 228 | integrCol_.attach(table_, "INTERVAL");
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| 229 | azCol_.attach(table_, "AZIMUTH");
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| 230 | elCol_.attach(table_, "ELEVATION");
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| 231 | dirCol_.attach(table_, "DIRECTION");
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| 232 | paraCol_.attach(table_, "PARANGLE");
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| 233 | fldnCol_.attach(table_, "FIELDNAME");
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| 234 | rbeamCol_.attach(table_, "REFBEAMNO");
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[455] | 235 |
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[805] | 236 | mfitidCol_.attach(table_,"FIT_ID");
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| 237 | fitidCol_.attach(fitTable_,"FIT_ID");
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[465] | 238 |
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[805] | 239 | mfreqidCol_.attach(table_, "FREQ_ID");
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[465] | 240 |
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[805] | 241 | mtcalidCol_.attach(table_, "TCAL_ID");
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[465] | 242 |
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[805] | 243 | mfocusidCol_.attach(table_, "FOCUS_ID");
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[455] | 244 |
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[805] | 245 | mmolidCol_.attach(table_, "MOLECULE_ID");
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[455] | 246 | }
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| 247 |
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[845] | 248 | void Scantable::setHeader(const SDHeader& sdh)
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[206] | 249 | {
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[18] | 250 | table_.rwKeywordSet().define("nIF", sdh.nif);
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| 251 | table_.rwKeywordSet().define("nBeam", sdh.nbeam);
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| 252 | table_.rwKeywordSet().define("nPol", sdh.npol);
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| 253 | table_.rwKeywordSet().define("nChan", sdh.nchan);
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| 254 | table_.rwKeywordSet().define("Observer", sdh.observer);
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| 255 | table_.rwKeywordSet().define("Project", sdh.project);
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| 256 | table_.rwKeywordSet().define("Obstype", sdh.obstype);
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| 257 | table_.rwKeywordSet().define("AntennaName", sdh.antennaname);
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| 258 | table_.rwKeywordSet().define("AntennaPosition", sdh.antennaposition);
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| 259 | table_.rwKeywordSet().define("Equinox", sdh.equinox);
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| 260 | table_.rwKeywordSet().define("FreqRefFrame", sdh.freqref);
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| 261 | table_.rwKeywordSet().define("FreqRefVal", sdh.reffreq);
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| 262 | table_.rwKeywordSet().define("Bandwidth", sdh.bandwidth);
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| 263 | table_.rwKeywordSet().define("UTC", sdh.utc);
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[206] | 264 | table_.rwKeywordSet().define("FluxUnit", sdh.fluxunit);
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| 265 | table_.rwKeywordSet().define("Epoch", sdh.epoch);
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[50] | 266 | }
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[21] | 267 |
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[845] | 268 | SDHeader Scantable::getHeader() const
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[206] | 269 | {
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[21] | 270 | SDHeader sdh;
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| 271 | table_.keywordSet().get("nBeam",sdh.nbeam);
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| 272 | table_.keywordSet().get("nIF",sdh.nif);
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| 273 | table_.keywordSet().get("nPol",sdh.npol);
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| 274 | table_.keywordSet().get("nChan",sdh.nchan);
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| 275 | table_.keywordSet().get("Observer", sdh.observer);
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| 276 | table_.keywordSet().get("Project", sdh.project);
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| 277 | table_.keywordSet().get("Obstype", sdh.obstype);
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| 278 | table_.keywordSet().get("AntennaName", sdh.antennaname);
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| 279 | table_.keywordSet().get("AntennaPosition", sdh.antennaposition);
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| 280 | table_.keywordSet().get("Equinox", sdh.equinox);
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| 281 | table_.keywordSet().get("FreqRefFrame", sdh.freqref);
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| 282 | table_.keywordSet().get("FreqRefVal", sdh.reffreq);
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| 283 | table_.keywordSet().get("Bandwidth", sdh.bandwidth);
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| 284 | table_.keywordSet().get("UTC", sdh.utc);
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[206] | 285 | table_.keywordSet().get("FluxUnit", sdh.fluxunit);
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| 286 | table_.keywordSet().get("Epoch", sdh.epoch);
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[21] | 287 | return sdh;
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[18] | 288 | }
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[805] | 289 |
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[845] | 290 | bool Scantable::conformant( const Scantable& other )
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| 291 | {
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| 292 | return this->getHeader().conformant(other.getHeader());
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| 293 | }
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| 294 |
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| 295 |
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[837] | 296 | int Scantable::nscan() const {
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[805] | 297 | int n = 0;
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| 298 | int previous = -1; int current = 0;
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[322] | 299 | for (uInt i=0; i< scanCol_.nrow();i++) {
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| 300 | scanCol_.getScalar(i,current);
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[50] | 301 | if (previous != current) {
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[89] | 302 | previous = current;
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[50] | 303 | n++;
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| 304 | }
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| 305 | }
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| 306 | return n;
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| 307 | }
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| 308 |
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[805] | 309 | std::string Scantable::formatSec(Double x) const
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[206] | 310 | {
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[105] | 311 | Double xcop = x;
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| 312 | MVTime mvt(xcop/24./3600.); // make days
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[365] | 313 |
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[105] | 314 | if (x < 59.95)
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[281] | 315 | return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_HM, 7)+"s";
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[745] | 316 | else if (x < 3599.95)
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[281] | 317 | return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_H,7)+" ";
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| 318 | else {
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| 319 | ostringstream oss;
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| 320 | oss << setw(2) << std::right << setprecision(1) << mvt.hour();
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| 321 | oss << ":" << mvt.string(MVTime::TIME_CLEAN_NO_H,7) << " ";
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| 322 | return String(oss);
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[745] | 323 | }
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[105] | 324 | };
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| 325 |
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[805] | 326 | std::string Scantable::formatDirection(const MDirection& md) const
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[281] | 327 | {
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| 328 | Vector<Double> t = md.getAngle(Unit(String("rad"))).getValue();
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| 329 | Int prec = 7;
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| 330 |
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| 331 | MVAngle mvLon(t[0]);
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| 332 | String sLon = mvLon.string(MVAngle::TIME,prec);
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| 333 | MVAngle mvLat(t[1]);
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| 334 | String sLat = mvLat.string(MVAngle::ANGLE+MVAngle::DIG2,prec);
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[380] | 335 | return sLon + String(" ") + sLat;
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[281] | 336 | }
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| 337 |
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| 338 |
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[805] | 339 | std::string Scantable::getFluxUnit() const
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[206] | 340 | {
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[847] | 341 | return table_.keywordSet().asString("FluxUnit");
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[206] | 342 | }
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| 343 |
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[805] | 344 | void Scantable::setFluxUnit(const std::string& unit)
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[218] | 345 | {
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| 346 | String tmp(unit);
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| 347 | Unit tU(tmp);
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| 348 | if (tU==Unit("K") || tU==Unit("Jy")) {
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| 349 | table_.rwKeywordSet().define(String("FluxUnit"), tmp);
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| 350 | } else {
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| 351 | throw AipsError("Illegal unit - must be compatible with Jy or K");
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| 352 | }
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| 353 | }
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| 354 |
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[805] | 355 | void Scantable::setInstrument(const std::string& name)
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[236] | 356 | {
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[805] | 357 | bool throwIt = true;
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[476] | 358 | Instrument ins = SDAttr::convertInstrument(name, throwIt);
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[236] | 359 | String nameU(name);
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| 360 | nameU.upcase();
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| 361 | table_.rwKeywordSet().define(String("AntennaName"), nameU);
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| 362 | }
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| 363 |
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[805] | 364 | MPosition Scantable::getAntennaPosition () const
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| 365 | {
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| 366 | Vector<Double> antpos;
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| 367 | table_.keywordSet().get("AntennaPosition", antpos);
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| 368 | MVPosition mvpos(antpos(0),antpos(1),antpos(2));
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| 369 | return MPosition(mvpos);
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| 370 | }
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[281] | 371 |
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[805] | 372 | void Scantable::makePersistent(const std::string& filename)
|
---|
| 373 | {
|
---|
| 374 | String inname(filename);
|
---|
| 375 | Path path(inname);
|
---|
| 376 | inname = path.expandedName();
|
---|
| 377 | table_.deepCopy(inname, Table::New);
|
---|
| 378 | }
|
---|
| 379 |
|
---|
[837] | 380 | int Scantable::nbeam( int scanno ) const
|
---|
[805] | 381 | {
|
---|
| 382 | if ( scanno < 0 ) {
|
---|
| 383 | Int n;
|
---|
| 384 | table_.keywordSet().get("nBeam",n);
|
---|
| 385 | return int(n);
|
---|
[105] | 386 | } else {
|
---|
[805] | 387 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these
|
---|
| 388 | Table tab = table_(table_.col("SCANNO") == scanno
|
---|
| 389 | && table_.col("POLNO") == 0
|
---|
| 390 | && table_.col("IFNO") == 0
|
---|
| 391 | && table_.col("CYCLENO") == 0 );
|
---|
| 392 | ROTableVector<uInt> v(tab, "BEAMNO");
|
---|
| 393 | return int(v.nelements());
|
---|
[105] | 394 | }
|
---|
[805] | 395 | return 0;
|
---|
| 396 | }
|
---|
[455] | 397 |
|
---|
[837] | 398 | int Scantable::nif( int scanno ) const
|
---|
[805] | 399 | {
|
---|
| 400 | if ( scanno < 0 ) {
|
---|
| 401 | Int n;
|
---|
| 402 | table_.keywordSet().get("nIF",n);
|
---|
| 403 | return int(n);
|
---|
| 404 | } else {
|
---|
| 405 | // take the first POLNO,BEAMNO,CYCLENO as nbeam shouldn't vary with these
|
---|
| 406 | Table tab = table_(table_.col("SCANNO") == scanno
|
---|
| 407 | && table_.col("POLNO") == 0
|
---|
| 408 | && table_.col("BEAMNO") == 0
|
---|
| 409 | && table_.col("CYCLENO") == 0 );
|
---|
| 410 | ROTableVector<uInt> v(tab, "IFNO");
|
---|
| 411 | return int(v.nelements());
|
---|
[2] | 412 | }
|
---|
[805] | 413 | return 0;
|
---|
| 414 | }
|
---|
[321] | 415 |
|
---|
[837] | 416 | int Scantable::npol( int scanno ) const
|
---|
[805] | 417 | {
|
---|
| 418 | if ( scanno < 0 ) {
|
---|
| 419 | Int n;
|
---|
| 420 | table_.keywordSet().get("nPol",n);
|
---|
| 421 | return n;
|
---|
| 422 | } else {
|
---|
| 423 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these
|
---|
| 424 | Table tab = table_(table_.col("SCANNO") == scanno
|
---|
| 425 | && table_.col("IFNO") == 0
|
---|
| 426 | && table_.col("BEAMNO") == 0
|
---|
| 427 | && table_.col("CYCLENO") == 0 );
|
---|
| 428 | ROTableVector<uInt> v(tab, "POLNO");
|
---|
| 429 | return int(v.nelements());
|
---|
[321] | 430 | }
|
---|
[805] | 431 | return 0;
|
---|
[2] | 432 | }
|
---|
[805] | 433 |
|
---|
[845] | 434 | int Scantable::ncycle( int scanno ) const
|
---|
[206] | 435 | {
|
---|
[805] | 436 | if ( scanno < 0 ) {
|
---|
[837] | 437 | Block<String> cols(2);
|
---|
| 438 | cols[0] = "SCANNO";
|
---|
| 439 | cols[1] = "CYCLENO";
|
---|
| 440 | TableIterator it(table_, cols);
|
---|
| 441 | int n = 0;
|
---|
| 442 | while ( !it.pastEnd() ) {
|
---|
| 443 | ++n;
|
---|
| 444 | }
|
---|
| 445 | return n;
|
---|
[805] | 446 | } else {
|
---|
| 447 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these
|
---|
| 448 | Table tab = table_(table_.col("SCANNO") == scanno
|
---|
| 449 | && table_.col("BEAMNO") == 0
|
---|
| 450 | && table_.col("IFNO") == 0
|
---|
| 451 | && table_.col("POLNO") == 0 );
|
---|
| 452 | return int(tab.nrow());
|
---|
| 453 | }
|
---|
| 454 | return 0;
|
---|
[18] | 455 | }
|
---|
[455] | 456 |
|
---|
| 457 |
|
---|
[845] | 458 | int Scantable::nrow( int scanno ) const
|
---|
[805] | 459 | {
|
---|
[845] | 460 | return int(table_.nrow());
|
---|
| 461 | }
|
---|
| 462 |
|
---|
| 463 | int Scantable::nchan( int ifno ) const
|
---|
| 464 | {
|
---|
| 465 | if ( ifno < 0 ) {
|
---|
[805] | 466 | Int n;
|
---|
| 467 | table_.keywordSet().get("nChan",n);
|
---|
| 468 | return int(n);
|
---|
| 469 | } else {
|
---|
[845] | 470 | // take the first SCANNO,POLNO,BEAMNO,CYCLENO as nbeam shouldn't vary with these
|
---|
| 471 | Table tab = table_(table_.col("SCANNO") == 0
|
---|
[805] | 472 | && table_.col("IFNO") == ifno
|
---|
| 473 | && table_.col("BEAMNO") == 0
|
---|
| 474 | && table_.col("POLNO") == 0
|
---|
| 475 | && table_.col("CYCLENO") == 0 );
|
---|
| 476 | ROArrayColumn<Float> v(tab, "SPECTRA");
|
---|
[837] | 477 | return v(0).nelements();
|
---|
[805] | 478 | }
|
---|
| 479 | return 0;
|
---|
[18] | 480 | }
|
---|
[455] | 481 |
|
---|
[847] | 482 |
|
---|
| 483 | int Scantable::getBeam(int whichrow) const
|
---|
| 484 | {
|
---|
| 485 | return beamCol_(whichrow);
|
---|
| 486 | }
|
---|
| 487 |
|
---|
| 488 | int Scantable::getIF(int whichrow) const
|
---|
| 489 | {
|
---|
| 490 | return ifCol_(whichrow);
|
---|
| 491 | }
|
---|
| 492 |
|
---|
| 493 | int Scantable::getPol(int whichrow) const
|
---|
| 494 | {
|
---|
| 495 | return polCol_(whichrow);
|
---|
| 496 | }
|
---|
| 497 |
|
---|
[805] | 498 | Table Scantable::getHistoryTable() const
|
---|
[488] | 499 | {
|
---|
| 500 | return table_.keywordSet().asTable("HISTORY");
|
---|
| 501 | }
|
---|
| 502 |
|
---|
[805] | 503 | void Scantable::appendToHistoryTable(const Table& otherHist)
|
---|
[488] | 504 | {
|
---|
| 505 | Table t = table_.rwKeywordSet().asTable("HISTORY");
|
---|
[805] | 506 |
|
---|
| 507 | addHistory(asap::SEPERATOR);
|
---|
[488] | 508 | TableCopy::copyRows(t, otherHist, t.nrow(), 0, otherHist.nrow());
|
---|
[805] | 509 | addHistory(asap::SEPERATOR);
|
---|
[488] | 510 | }
|
---|
| 511 |
|
---|
[805] | 512 | void Scantable::addHistory(const std::string& hist)
|
---|
[206] | 513 | {
|
---|
[483] | 514 | Table t = table_.rwKeywordSet().asTable("HISTORY");
|
---|
[745] | 515 | uInt nrow = t.nrow();
|
---|
[483] | 516 | t.addRow();
|
---|
| 517 | ScalarColumn<String> itemCol(t, "ITEM");
|
---|
| 518 | itemCol.put(nrow, hist);
|
---|
[206] | 519 | }
|
---|
| 520 |
|
---|
[805] | 521 | std::vector<std::string> Scantable::getHistory() const
|
---|
[206] | 522 | {
|
---|
| 523 | Vector<String> history;
|
---|
[483] | 524 | const Table& t = table_.keywordSet().asTable("HISTORY");
|
---|
[745] | 525 | uInt nrow = t.nrow();
|
---|
[483] | 526 | ROScalarColumn<String> itemCol(t, "ITEM");
|
---|
| 527 | std::vector<std::string> stlout;
|
---|
| 528 | String hist;
|
---|
| 529 | for (uInt i=0; i<nrow; ++i) {
|
---|
| 530 | itemCol.get(i, hist);
|
---|
| 531 | stlout.push_back(hist);
|
---|
| 532 | }
|
---|
[206] | 533 | return stlout;
|
---|
| 534 | }
|
---|
[488] | 535 |
|
---|
[805] | 536 | std::string Scantable::formatTime(const MEpoch& me, bool showdate) const
|
---|
| 537 | {
|
---|
| 538 | MVTime mvt(me.getValue());
|
---|
| 539 | if (showdate)
|
---|
| 540 | mvt.setFormat(MVTime::YMD);
|
---|
| 541 | else
|
---|
| 542 | mvt.setFormat(MVTime::TIME);
|
---|
| 543 | ostringstream oss;
|
---|
| 544 | oss << mvt;
|
---|
| 545 | return String(oss);
|
---|
| 546 | }
|
---|
[488] | 547 |
|
---|
[805] | 548 | void Scantable::calculateAZEL()
|
---|
| 549 | {
|
---|
| 550 | MPosition mp = getAntennaPosition();
|
---|
| 551 | MEpoch::ROScalarColumn timeCol(table_, "TIME");
|
---|
| 552 | ostringstream oss;
|
---|
| 553 | oss << "Computed azimuth/elevation using " << endl
|
---|
| 554 | << mp << endl;
|
---|
| 555 | for (uInt i=0; i<nrow(); ++i) {
|
---|
| 556 | MEpoch me = timeCol(i);
|
---|
| 557 | MDirection md = dirCol_(i);
|
---|
| 558 | dirCol_.get(i,md);
|
---|
| 559 | oss << " Time: " << formatTime(me,False) << " Direction: " << formatDirection(md)
|
---|
| 560 | << endl << " => ";
|
---|
| 561 | MeasFrame frame(mp, me);
|
---|
| 562 | Vector<Double> azel =
|
---|
| 563 | MDirection::Convert(md, MDirection::Ref(MDirection::AZEL,
|
---|
| 564 | frame)
|
---|
| 565 | )().getAngle("rad").getValue();
|
---|
| 566 | azCol_.put(i,azel[0]);
|
---|
| 567 | elCol_.put(i,azel[1]);
|
---|
| 568 | oss << "azel: " << azel[0]/C::pi*180.0 << " "
|
---|
| 569 | << azel[1]/C::pi*180.0 << " (deg)" << endl;
|
---|
[16] | 570 | }
|
---|
[805] | 571 | pushLog(String(oss));
|
---|
| 572 | }
|
---|
[89] | 573 |
|
---|
[805] | 574 | std::vector<bool> Scantable::getMask(int whichrow) const
|
---|
| 575 | {
|
---|
| 576 | Vector<uChar> flags;
|
---|
| 577 | flagsCol_.get(uInt(whichrow), flags);
|
---|
| 578 | Vector<Bool> bflag(flags.shape());
|
---|
| 579 | convertArray(bflag, flags);
|
---|
| 580 | bflag = !bflag;
|
---|
| 581 | std::vector<bool> mask;
|
---|
| 582 | bflag.tovector(mask);
|
---|
| 583 | return mask;
|
---|
| 584 | }
|
---|
[89] | 585 |
|
---|
[805] | 586 | std::vector<float> Scantable::getSpectrum(int whichrow) const
|
---|
| 587 | {
|
---|
| 588 | Vector<Float> arr;
|
---|
| 589 | specCol_.get(whichrow, arr);
|
---|
| 590 | std::vector<float> out;
|
---|
| 591 | arr.tovector(out);
|
---|
| 592 | return out;
|
---|
[89] | 593 | }
|
---|
[212] | 594 |
|
---|
[805] | 595 | String Scantable::generateName()
|
---|
[745] | 596 | {
|
---|
[805] | 597 | return (File::newUniqueName("./","temp")).baseName();
|
---|
[212] | 598 | }
|
---|
| 599 |
|
---|
[805] | 600 | const casa::Table& Scantable::table( ) const
|
---|
[212] | 601 | {
|
---|
[805] | 602 | return table_;
|
---|
[212] | 603 | }
|
---|
| 604 |
|
---|
[805] | 605 | casa::Table& Scantable::table( )
|
---|
[386] | 606 | {
|
---|
[805] | 607 | return table_;
|
---|
[386] | 608 | }
|
---|
| 609 |
|
---|
[805] | 610 | std::string Scantable::getPolarizationLabel(bool linear, bool stokes,
|
---|
| 611 | bool linpol, int polidx) const
|
---|
[401] | 612 | {
|
---|
[805] | 613 | uInt idx = 0;
|
---|
| 614 | if (polidx >=0) idx = polidx;
|
---|
| 615 | return "";
|
---|
| 616 | //return SDPolUtil::polarizationLabel(idx, linear, stokes, linpol);
|
---|
[401] | 617 | }
|
---|
[386] | 618 |
|
---|
[805] | 619 | void Scantable::unsetSelection()
|
---|
[380] | 620 | {
|
---|
[805] | 621 | table_ = originalTable_;
|
---|
[847] | 622 | attach();
|
---|
[805] | 623 | selector_.reset();
|
---|
[380] | 624 | }
|
---|
[386] | 625 |
|
---|
[805] | 626 | void Scantable::setSelection( const STSelector& selection )
|
---|
[430] | 627 | {
|
---|
[805] | 628 | Table tab = const_cast<STSelector&>(selection).apply(originalTable_);
|
---|
| 629 | if ( tab.nrow() == 0 ) {
|
---|
| 630 | throw(AipsError("Selection contains no data. Not applying it."));
|
---|
| 631 | }
|
---|
| 632 | table_ = tab;
|
---|
[847] | 633 | attach();
|
---|
[805] | 634 | selector_ = selection;
|
---|
[430] | 635 | }
|
---|
| 636 |
|
---|
[837] | 637 | std::string Scantable::summary( bool verbose )
|
---|
[447] | 638 | {
|
---|
[805] | 639 | // Format header info
|
---|
| 640 | ostringstream oss;
|
---|
| 641 | oss << endl;
|
---|
| 642 | oss << asap::SEPERATOR << endl;
|
---|
| 643 | oss << " Scan Table Summary" << endl;
|
---|
| 644 | oss << asap::SEPERATOR << endl;
|
---|
| 645 | oss.flags(std::ios_base::left);
|
---|
| 646 | oss << setw(15) << "Beams:" << setw(4) << nbeam() << endl
|
---|
| 647 | << setw(15) << "IFs:" << setw(4) << nif() << endl
|
---|
| 648 | << setw(15) << "Polarisations:" << setw(4) << npol() << endl
|
---|
| 649 | << setw(15) << "Channels:" << setw(4) << nchan() << endl;
|
---|
| 650 | oss << endl;
|
---|
| 651 | String tmp;
|
---|
| 652 | //table_.keywordSet().get("Observer", tmp);
|
---|
| 653 | oss << setw(15) << "Observer:" << table_.keywordSet().asString("Observer") << endl;
|
---|
| 654 | oss << setw(15) << "Obs Date:" << getTime(-1,true) << endl;
|
---|
| 655 | table_.keywordSet().get("Project", tmp);
|
---|
| 656 | oss << setw(15) << "Project:" << tmp << endl;
|
---|
| 657 | table_.keywordSet().get("Obstype", tmp);
|
---|
| 658 | oss << setw(15) << "Obs. Type:" << tmp << endl;
|
---|
| 659 | table_.keywordSet().get("AntennaName", tmp);
|
---|
| 660 | oss << setw(15) << "Antenna Name:" << tmp << endl;
|
---|
| 661 | table_.keywordSet().get("FluxUnit", tmp);
|
---|
| 662 | oss << setw(15) << "Flux Unit:" << tmp << endl;
|
---|
| 663 | Vector<Float> vec;
|
---|
| 664 | oss << setw(15) << "Rest Freqs:";
|
---|
| 665 | if (vec.nelements() > 0) {
|
---|
| 666 | oss << setprecision(10) << vec << " [Hz]" << endl;
|
---|
| 667 | } else {
|
---|
| 668 | oss << "none" << endl;
|
---|
| 669 | }
|
---|
| 670 | oss << setw(15) << "Abcissa:" << "channel" << endl;
|
---|
| 671 | oss << selector_.print() << endl;
|
---|
| 672 | oss << endl;
|
---|
| 673 | // main table
|
---|
| 674 | String dirtype = "Position ("
|
---|
| 675 | + MDirection::showType(dirCol_.getMeasRef().getType())
|
---|
| 676 | + ")";
|
---|
| 677 | oss << setw(5) << "Scan"
|
---|
| 678 | << setw(15) << "Source"
|
---|
| 679 | // << setw(24) << dirtype
|
---|
| 680 | << setw(10) << "Time"
|
---|
| 681 | << setw(18) << "Integration" << endl
|
---|
| 682 | << setw(5) << "" << setw(10) << "Beam" << dirtype << endl
|
---|
| 683 | << setw(15) << "" << setw(5) << "IF"
|
---|
| 684 | << setw(8) << "Frame" << setw(16)
|
---|
| 685 | << "RefVal" << setw(10) << "RefPix" << setw(12) << "Increment" <<endl;
|
---|
| 686 | oss << asap::SEPERATOR << endl;
|
---|
| 687 | TableIterator iter(table_, "SCANNO");
|
---|
| 688 | while (!iter.pastEnd()) {
|
---|
| 689 | Table subt = iter.table();
|
---|
| 690 | ROTableRow row(subt);
|
---|
| 691 | MEpoch::ROScalarColumn timeCol(subt,"TIME");
|
---|
| 692 | const TableRecord& rec = row.get(0);
|
---|
| 693 | oss << setw(4) << std::right << rec.asuInt("SCANNO")
|
---|
| 694 | << std::left << setw(1) << ""
|
---|
| 695 | << setw(15) << rec.asString("SRCNAME")
|
---|
| 696 | << setw(10) << formatTime(timeCol(0), false);
|
---|
| 697 | // count the cycles in the scan
|
---|
| 698 | TableIterator cyciter(subt, "CYCLENO");
|
---|
| 699 | int nint = 0;
|
---|
| 700 | while (!cyciter.pastEnd()) {
|
---|
| 701 | ++nint;
|
---|
| 702 | ++cyciter;
|
---|
| 703 | }
|
---|
| 704 | oss << setw(3) << std::right << nint << setw(3) << " x " << std::left
|
---|
| 705 | << setw(6) << formatSec(rec.asFloat("INTERVAL")) << endl;
|
---|
[447] | 706 |
|
---|
[805] | 707 | TableIterator biter(subt, "BEAMNO");
|
---|
| 708 | while (!biter.pastEnd()) {
|
---|
| 709 | Table bsubt = biter.table();
|
---|
| 710 | ROTableRow brow(bsubt);
|
---|
| 711 | MDirection::ROScalarColumn bdirCol(bsubt,"DIRECTION");
|
---|
| 712 | const TableRecord& brec = brow.get(0);
|
---|
| 713 | oss << setw(6) << "" << setw(10) << brec.asuInt("BEAMNO");
|
---|
| 714 | oss << setw(24) << formatDirection(bdirCol(0)) << endl;
|
---|
| 715 | TableIterator iiter(bsubt, "IFNO");
|
---|
| 716 | while (!iiter.pastEnd()) {
|
---|
| 717 | Table isubt = iiter.table();
|
---|
| 718 | ROTableRow irow(isubt);
|
---|
| 719 | const TableRecord& irec = irow.get(0);
|
---|
| 720 | oss << std::right <<setw(8) << "" << std::left << irec.asuInt("IFNO");
|
---|
| 721 | oss << frequencies().print(irec.asuInt("FREQ_ID"));
|
---|
[447] | 722 |
|
---|
[805] | 723 | ++iiter;
|
---|
| 724 | }
|
---|
| 725 | ++biter;
|
---|
| 726 | }
|
---|
| 727 | ++iter;
|
---|
[447] | 728 | }
|
---|
[805] | 729 | /// @todo implement verbose mode
|
---|
| 730 | return String(oss);
|
---|
[447] | 731 | }
|
---|
| 732 |
|
---|
[805] | 733 | std::string Scantable::getTime(int whichrow, bool showdate) const
|
---|
[777] | 734 | {
|
---|
[805] | 735 | MEpoch::ROScalarColumn timeCol(table_, "TIME");
|
---|
| 736 | MEpoch me;
|
---|
| 737 | if (whichrow > -1) {
|
---|
| 738 | me = timeCol(uInt(whichrow));
|
---|
| 739 | } else {
|
---|
| 740 | Double tm;
|
---|
| 741 | table_.keywordSet().get("UTC",tm);
|
---|
| 742 | me = MEpoch(MVEpoch(tm));
|
---|
[777] | 743 | }
|
---|
[805] | 744 | return formatTime(me, showdate);
|
---|
[777] | 745 | }
|
---|
[805] | 746 |
|
---|
[847] | 747 | std::string Scantable::getAbcissaLabel( int whichrow ) const
|
---|
| 748 | {
|
---|
| 749 | if ( whichrow > table_.nrow() ) throw(AipsError("Illegal ro number"));
|
---|
| 750 | const MPosition& mp = getAntennaPosition();
|
---|
| 751 | const MDirection& md = dirCol_(whichrow);
|
---|
| 752 | const MEpoch& me = timeCol_(whichrow);
|
---|
| 753 | const Double& rf = mmolidCol_(whichrow);
|
---|
| 754 | SpectralCoordinate spc =
|
---|
| 755 | freqTable_.getSpectralCoordinate(md, mp, me, rf, mfreqidCol_(whichrow));
|
---|
| 756 |
|
---|
| 757 | String s = "Channel";
|
---|
| 758 | Unit u = Unit(freqTable_.getUnitString());
|
---|
| 759 | if (u == Unit("km/s")) {
|
---|
| 760 | s = CoordinateUtil::axisLabel(spc,0,True,True,True);
|
---|
| 761 | } else if (u == Unit("Hz")) {
|
---|
| 762 | Vector<String> wau(1);wau = u.getName();
|
---|
| 763 | spc.setWorldAxisUnits(wau);
|
---|
| 764 |
|
---|
| 765 | s = CoordinateUtil::axisLabel(spc,0,True,True,False);
|
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| 766 | }
|
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| 767 | return s;
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| 768 |
|
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| 769 | }
|
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| 770 |
|
---|
| 771 | void asap::Scantable::setRestFrequencies( double rf, const std::string& unit )
|
---|
| 772 | {
|
---|
| 773 | ///@todo lookup in line table
|
---|
| 774 | Unit u(unit);
|
---|
| 775 | Quantum<Double> urf(rf, u);
|
---|
| 776 | uInt id = moleculeTable_.addEntry(urf.getValue("Hz"), "", "");
|
---|
| 777 | TableVector<uInt> tabvec(table_, "MOLECULE_ID");
|
---|
| 778 | tabvec = id;
|
---|
| 779 | }
|
---|
| 780 |
|
---|
| 781 | void asap::Scantable::setRestFrequencies( const std::string& name )
|
---|
| 782 | {
|
---|
| 783 | throw(AipsError("setRestFrequencies( const std::string& name ) NYI"));
|
---|
| 784 | ///@todo implement
|
---|
| 785 | }
|
---|
| 786 |
|
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[805] | 787 | }//namespace asap
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