[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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[878] | 56 | #include "STAttr.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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[865] | 87 | Table tab(name, Table::Update); |
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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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[865] | 106 | type_ = other.table_.tableType(); |
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[859] | 107 | if ( other.table_.tableType() == Table::Memory ) { |
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| 108 | if ( clear ) { |
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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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[865] | 114 | other.table_.deepCopy(newname, Table::New, False, Table::AipsrcEndian, |
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| 115 | Bool(clear)); |
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| 116 | table_ = Table(newname, Table::Update); |
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| 117 | copySubtables(other); |
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| 118 | table_.markForDelete(); |
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| 119 | } |
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[859] | 120 | |
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| 121 | attachSubtables(); |
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[805] | 122 | originalTable_ = table_; |
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[322] | 123 | attach(); |
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[2] | 124 | } |
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| 125 | |
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[865] | 126 | void Scantable::copySubtables(const Scantable& other) { |
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| 127 | Table t = table_.rwKeywordSet().asTable("FREQUENCIES"); |
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| 128 | TableCopy::copyRows(t, other.freqTable_.table()); |
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| 129 | t = table_.rwKeywordSet().asTable("FOCUS"); |
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| 130 | TableCopy::copyRows(t, other.focusTable_.table()); |
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| 131 | t = table_.rwKeywordSet().asTable("WEATHER"); |
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| 132 | TableCopy::copyRows(t, other.weatherTable_.table()); |
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| 133 | t = table_.rwKeywordSet().asTable("TCAL"); |
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| 134 | TableCopy::copyRows(t, other.tcalTable_.table()); |
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| 135 | t = table_.rwKeywordSet().asTable("MOLECULES"); |
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| 136 | TableCopy::copyRows(t, other.moleculeTable_.table()); |
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| 137 | t = table_.rwKeywordSet().asTable("HISTORY"); |
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| 138 | TableCopy::copyRows(t, other.historyTable_.table()); |
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| 139 | } |
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| 140 | |
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[859] | 141 | void Scantable::attachSubtables() |
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| 142 | { |
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| 143 | freqTable_ = STFrequencies(table_); |
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| 144 | focusTable_ = STFocus(table_); |
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| 145 | weatherTable_ = STWeather(table_); |
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| 146 | tcalTable_ = STTcal(table_); |
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| 147 | moleculeTable_ = STMolecules(table_); |
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[860] | 148 | historyTable_ = STHistory(table_); |
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[859] | 149 | } |
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| 150 | |
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[805] | 151 | Scantable::~Scantable() |
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[206] | 152 | { |
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[805] | 153 | cout << "~Scantable() " << this << endl; |
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[2] | 154 | } |
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| 155 | |
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[805] | 156 | void Scantable::setupMainTable() |
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[206] | 157 | { |
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[805] | 158 | TableDesc td("", "1", TableDesc::Scratch); |
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| 159 | td.comment() = "An ASAP Scantable"; |
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| 160 | td.rwKeywordSet().define("VERSION", Int(version_)); |
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[2] | 161 | |
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[805] | 162 | // n Cycles |
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| 163 | td.addColumn(ScalarColumnDesc<uInt>("SCANNO")); |
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| 164 | // new index every nBeam x nIF x nPol |
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| 165 | td.addColumn(ScalarColumnDesc<uInt>("CYCLENO")); |
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[2] | 166 | |
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[805] | 167 | td.addColumn(ScalarColumnDesc<uInt>("BEAMNO")); |
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| 168 | td.addColumn(ScalarColumnDesc<uInt>("IFNO")); |
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| 169 | td.rwKeywordSet().define("POLTYPE", String("linear")); |
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| 170 | td.addColumn(ScalarColumnDesc<uInt>("POLNO")); |
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[138] | 171 | |
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[805] | 172 | td.addColumn(ScalarColumnDesc<uInt>("FREQ_ID")); |
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| 173 | td.addColumn(ScalarColumnDesc<uInt>("MOLECULE_ID")); |
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| 174 | // linear, circular, stokes [I Q U V], stokes1 [I Plinear Pangle V] |
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| 175 | td.addColumn(ScalarColumnDesc<Int>("REFBEAMNO")); |
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[80] | 176 | |
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[805] | 177 | td.addColumn(ScalarColumnDesc<Double>("TIME")); |
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| 178 | TableMeasRefDesc measRef(MEpoch::UTC); // UTC as default |
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| 179 | TableMeasValueDesc measVal(td, "TIME"); |
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| 180 | TableMeasDesc<MEpoch> mepochCol(measVal, measRef); |
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| 181 | mepochCol.write(td); |
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[483] | 182 | |
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[805] | 183 | td.addColumn(ScalarColumnDesc<Double>("INTERVAL")); |
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| 184 | |
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[2] | 185 | td.addColumn(ScalarColumnDesc<String>("SRCNAME")); |
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[805] | 186 | // Type of source (on=0, off=1, other=-1) |
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| 187 | td.addColumn(ScalarColumnDesc<Int>("SRCTYPE", Int(-1))); |
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| 188 | td.addColumn(ScalarColumnDesc<String>("FIELDNAME")); |
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| 189 | |
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| 190 | //The actual Data Vectors |
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[2] | 191 | td.addColumn(ArrayColumnDesc<Float>("SPECTRA")); |
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| 192 | td.addColumn(ArrayColumnDesc<uChar>("FLAGTRA")); |
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[89] | 193 | td.addColumn(ArrayColumnDesc<Float>("TSYS")); |
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[805] | 194 | |
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| 195 | td.addColumn(ArrayColumnDesc<Double>("DIRECTION", |
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| 196 | IPosition(1,2), |
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| 197 | ColumnDesc::Direct)); |
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| 198 | TableMeasRefDesc mdirRef(MDirection::J2000); // default |
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| 199 | TableMeasValueDesc tmvdMDir(td, "DIRECTION"); |
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| 200 | // the TableMeasDesc gives the column a type |
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| 201 | TableMeasDesc<MDirection> mdirCol(tmvdMDir, mdirRef); |
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| 202 | // writing create the measure column |
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| 203 | mdirCol.write(td); |
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| 204 | td.addColumn(ScalarColumnDesc<Double>("AZIMUTH")); |
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| 205 | td.addColumn(ScalarColumnDesc<Double>("ELEVATION")); |
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[105] | 206 | td.addColumn(ScalarColumnDesc<Float>("PARANGLE")); |
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| 207 | |
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[805] | 208 | td.addColumn(ScalarColumnDesc<uInt>("TCAL_ID")); |
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| 209 | td.addColumn(ScalarColumnDesc<uInt>("FIT_ID")); |
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| 210 | |
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| 211 | td.addColumn(ScalarColumnDesc<uInt>("FOCUS_ID")); |
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| 212 | td.addColumn(ScalarColumnDesc<uInt>("WEATHER_ID")); |
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| 213 | |
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| 214 | td.rwKeywordSet().define("OBSMODE", String("")); |
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| 215 | |
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[418] | 216 | // Now create Table SetUp from the description. |
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[859] | 217 | SetupNewTable aNewTab(generateName(), td, Table::Scratch); |
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[852] | 218 | table_ = Table(aNewTab, type_, 0); |
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[805] | 219 | originalTable_ = table_; |
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[745] | 220 | |
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[805] | 221 | } |
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[418] | 222 | |
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[805] | 223 | void Scantable::setupFitTable() |
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[322] | 224 | { |
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[39] | 225 | TableDesc td("", "1", TableDesc::Scratch); |
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[805] | 226 | td.addColumn(ScalarColumnDesc<uInt>("FIT_ID")); |
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[455] | 227 | td.addColumn(ArrayColumnDesc<String>("FUNCTIONS")); |
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| 228 | td.addColumn(ArrayColumnDesc<Int>("COMPONENTS")); |
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| 229 | td.addColumn(ArrayColumnDesc<Double>("PARAMETERS")); |
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| 230 | td.addColumn(ArrayColumnDesc<Bool>("PARMASK")); |
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[465] | 231 | td.addColumn(ArrayColumnDesc<String>("FRAMEINFO")); |
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[859] | 232 | SetupNewTable aNewTab("fits", td, Table::Scratch); |
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[455] | 233 | Table aTable(aNewTab, Table::Memory); |
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| 234 | table_.rwKeywordSet().defineTable("FITS", aTable); |
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| 235 | } |
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| 236 | |
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[805] | 237 | void Scantable::attach() |
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[455] | 238 | { |
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[805] | 239 | timeCol_.attach(table_, "TIME"); |
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| 240 | srcnCol_.attach(table_, "SRCNAME"); |
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| 241 | specCol_.attach(table_, "SPECTRA"); |
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| 242 | flagsCol_.attach(table_, "FLAGTRA"); |
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[865] | 243 | tsysCol_.attach(table_, "TSYS"); |
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[805] | 244 | cycleCol_.attach(table_,"CYCLENO"); |
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| 245 | scanCol_.attach(table_, "SCANNO"); |
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| 246 | beamCol_.attach(table_, "BEAMNO"); |
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[847] | 247 | ifCol_.attach(table_, "IFNO"); |
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| 248 | polCol_.attach(table_, "POLNO"); |
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[805] | 249 | integrCol_.attach(table_, "INTERVAL"); |
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| 250 | azCol_.attach(table_, "AZIMUTH"); |
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| 251 | elCol_.attach(table_, "ELEVATION"); |
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| 252 | dirCol_.attach(table_, "DIRECTION"); |
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| 253 | paraCol_.attach(table_, "PARANGLE"); |
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| 254 | fldnCol_.attach(table_, "FIELDNAME"); |
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| 255 | rbeamCol_.attach(table_, "REFBEAMNO"); |
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[455] | 256 | |
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[805] | 257 | mfitidCol_.attach(table_,"FIT_ID"); |
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[859] | 258 | //fitidCol_.attach(fitTable_,"FIT_ID"); |
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[465] | 259 | |
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[805] | 260 | mfreqidCol_.attach(table_, "FREQ_ID"); |
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[465] | 261 | |
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[805] | 262 | mtcalidCol_.attach(table_, "TCAL_ID"); |
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[465] | 263 | |
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[805] | 264 | mfocusidCol_.attach(table_, "FOCUS_ID"); |
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[455] | 265 | |
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[805] | 266 | mmolidCol_.attach(table_, "MOLECULE_ID"); |
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[455] | 267 | } |
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| 268 | |
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[845] | 269 | void Scantable::setHeader(const SDHeader& sdh) |
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[206] | 270 | { |
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[18] | 271 | table_.rwKeywordSet().define("nIF", sdh.nif); |
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| 272 | table_.rwKeywordSet().define("nBeam", sdh.nbeam); |
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| 273 | table_.rwKeywordSet().define("nPol", sdh.npol); |
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| 274 | table_.rwKeywordSet().define("nChan", sdh.nchan); |
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| 275 | table_.rwKeywordSet().define("Observer", sdh.observer); |
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| 276 | table_.rwKeywordSet().define("Project", sdh.project); |
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| 277 | table_.rwKeywordSet().define("Obstype", sdh.obstype); |
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| 278 | table_.rwKeywordSet().define("AntennaName", sdh.antennaname); |
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| 279 | table_.rwKeywordSet().define("AntennaPosition", sdh.antennaposition); |
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| 280 | table_.rwKeywordSet().define("Equinox", sdh.equinox); |
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| 281 | table_.rwKeywordSet().define("FreqRefFrame", sdh.freqref); |
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| 282 | table_.rwKeywordSet().define("FreqRefVal", sdh.reffreq); |
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| 283 | table_.rwKeywordSet().define("Bandwidth", sdh.bandwidth); |
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| 284 | table_.rwKeywordSet().define("UTC", sdh.utc); |
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[206] | 285 | table_.rwKeywordSet().define("FluxUnit", sdh.fluxunit); |
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| 286 | table_.rwKeywordSet().define("Epoch", sdh.epoch); |
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[50] | 287 | } |
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[21] | 288 | |
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[845] | 289 | SDHeader Scantable::getHeader() const |
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[206] | 290 | { |
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[21] | 291 | SDHeader sdh; |
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| 292 | table_.keywordSet().get("nBeam",sdh.nbeam); |
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| 293 | table_.keywordSet().get("nIF",sdh.nif); |
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| 294 | table_.keywordSet().get("nPol",sdh.npol); |
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| 295 | table_.keywordSet().get("nChan",sdh.nchan); |
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| 296 | table_.keywordSet().get("Observer", sdh.observer); |
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| 297 | table_.keywordSet().get("Project", sdh.project); |
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| 298 | table_.keywordSet().get("Obstype", sdh.obstype); |
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| 299 | table_.keywordSet().get("AntennaName", sdh.antennaname); |
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| 300 | table_.keywordSet().get("AntennaPosition", sdh.antennaposition); |
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| 301 | table_.keywordSet().get("Equinox", sdh.equinox); |
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| 302 | table_.keywordSet().get("FreqRefFrame", sdh.freqref); |
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| 303 | table_.keywordSet().get("FreqRefVal", sdh.reffreq); |
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| 304 | table_.keywordSet().get("Bandwidth", sdh.bandwidth); |
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| 305 | table_.keywordSet().get("UTC", sdh.utc); |
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[206] | 306 | table_.keywordSet().get("FluxUnit", sdh.fluxunit); |
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| 307 | table_.keywordSet().get("Epoch", sdh.epoch); |
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[21] | 308 | return sdh; |
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[18] | 309 | } |
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[805] | 310 | |
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[845] | 311 | bool Scantable::conformant( const Scantable& other ) |
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| 312 | { |
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| 313 | return this->getHeader().conformant(other.getHeader()); |
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| 314 | } |
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| 315 | |
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| 316 | |
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[837] | 317 | int Scantable::nscan() const { |
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[805] | 318 | int n = 0; |
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| 319 | int previous = -1; int current = 0; |
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[322] | 320 | for (uInt i=0; i< scanCol_.nrow();i++) { |
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| 321 | scanCol_.getScalar(i,current); |
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[50] | 322 | if (previous != current) { |
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[89] | 323 | previous = current; |
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[50] | 324 | n++; |
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| 325 | } |
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| 326 | } |
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| 327 | return n; |
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| 328 | } |
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| 329 | |
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[805] | 330 | std::string Scantable::formatSec(Double x) const |
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[206] | 331 | { |
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[105] | 332 | Double xcop = x; |
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| 333 | MVTime mvt(xcop/24./3600.); // make days |
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[365] | 334 | |
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[105] | 335 | if (x < 59.95) |
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[281] | 336 | return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_HM, 7)+"s"; |
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[745] | 337 | else if (x < 3599.95) |
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[281] | 338 | return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_H,7)+" "; |
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| 339 | else { |
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| 340 | ostringstream oss; |
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| 341 | oss << setw(2) << std::right << setprecision(1) << mvt.hour(); |
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| 342 | oss << ":" << mvt.string(MVTime::TIME_CLEAN_NO_H,7) << " "; |
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| 343 | return String(oss); |
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[745] | 344 | } |
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[105] | 345 | }; |
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| 346 | |
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[805] | 347 | std::string Scantable::formatDirection(const MDirection& md) const |
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[281] | 348 | { |
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| 349 | Vector<Double> t = md.getAngle(Unit(String("rad"))).getValue(); |
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| 350 | Int prec = 7; |
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| 351 | |
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| 352 | MVAngle mvLon(t[0]); |
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| 353 | String sLon = mvLon.string(MVAngle::TIME,prec); |
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| 354 | MVAngle mvLat(t[1]); |
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| 355 | String sLat = mvLat.string(MVAngle::ANGLE+MVAngle::DIG2,prec); |
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[380] | 356 | return sLon + String(" ") + sLat; |
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[281] | 357 | } |
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| 358 | |
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| 359 | |
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[805] | 360 | std::string Scantable::getFluxUnit() const |
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[206] | 361 | { |
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[847] | 362 | return table_.keywordSet().asString("FluxUnit"); |
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[206] | 363 | } |
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| 364 | |
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[805] | 365 | void Scantable::setFluxUnit(const std::string& unit) |
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[218] | 366 | { |
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| 367 | String tmp(unit); |
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| 368 | Unit tU(tmp); |
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| 369 | if (tU==Unit("K") || tU==Unit("Jy")) { |
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| 370 | table_.rwKeywordSet().define(String("FluxUnit"), tmp); |
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| 371 | } else { |
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| 372 | throw AipsError("Illegal unit - must be compatible with Jy or K"); |
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| 373 | } |
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| 374 | } |
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| 375 | |
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[805] | 376 | void Scantable::setInstrument(const std::string& name) |
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[236] | 377 | { |
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[805] | 378 | bool throwIt = true; |
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[878] | 379 | Instrument ins = STAttr::convertInstrument(name, throwIt); |
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[236] | 380 | String nameU(name); |
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| 381 | nameU.upcase(); |
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| 382 | table_.rwKeywordSet().define(String("AntennaName"), nameU); |
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| 383 | } |
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| 384 | |
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[805] | 385 | MPosition Scantable::getAntennaPosition () const |
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| 386 | { |
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| 387 | Vector<Double> antpos; |
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| 388 | table_.keywordSet().get("AntennaPosition", antpos); |
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| 389 | MVPosition mvpos(antpos(0),antpos(1),antpos(2)); |
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| 390 | return MPosition(mvpos); |
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| 391 | } |
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[281] | 392 | |
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[805] | 393 | void Scantable::makePersistent(const std::string& filename) |
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| 394 | { |
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| 395 | String inname(filename); |
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| 396 | Path path(inname); |
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| 397 | inname = path.expandedName(); |
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| 398 | table_.deepCopy(inname, Table::New); |
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| 399 | } |
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| 400 | |
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[837] | 401 | int Scantable::nbeam( int scanno ) const |
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[805] | 402 | { |
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| 403 | if ( scanno < 0 ) { |
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| 404 | Int n; |
---|
| 405 | table_.keywordSet().get("nBeam",n); |
---|
| 406 | return int(n); |
---|
[105] | 407 | } else { |
---|
[805] | 408 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
---|
| 409 | Table tab = table_(table_.col("SCANNO") == scanno |
---|
| 410 | && table_.col("POLNO") == 0 |
---|
| 411 | && table_.col("IFNO") == 0 |
---|
| 412 | && table_.col("CYCLENO") == 0 ); |
---|
| 413 | ROTableVector<uInt> v(tab, "BEAMNO"); |
---|
| 414 | return int(v.nelements()); |
---|
[105] | 415 | } |
---|
[805] | 416 | return 0; |
---|
| 417 | } |
---|
[455] | 418 | |
---|
[837] | 419 | int Scantable::nif( int scanno ) const |
---|
[805] | 420 | { |
---|
| 421 | if ( scanno < 0 ) { |
---|
| 422 | Int n; |
---|
| 423 | table_.keywordSet().get("nIF",n); |
---|
| 424 | return int(n); |
---|
| 425 | } else { |
---|
| 426 | // take the first POLNO,BEAMNO,CYCLENO as nbeam shouldn't vary with these |
---|
| 427 | Table tab = table_(table_.col("SCANNO") == scanno |
---|
| 428 | && table_.col("POLNO") == 0 |
---|
| 429 | && table_.col("BEAMNO") == 0 |
---|
| 430 | && table_.col("CYCLENO") == 0 ); |
---|
| 431 | ROTableVector<uInt> v(tab, "IFNO"); |
---|
| 432 | return int(v.nelements()); |
---|
[2] | 433 | } |
---|
[805] | 434 | return 0; |
---|
| 435 | } |
---|
[321] | 436 | |
---|
[837] | 437 | int Scantable::npol( int scanno ) const |
---|
[805] | 438 | { |
---|
| 439 | if ( scanno < 0 ) { |
---|
| 440 | Int n; |
---|
| 441 | table_.keywordSet().get("nPol",n); |
---|
| 442 | return n; |
---|
| 443 | } else { |
---|
| 444 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
---|
| 445 | Table tab = table_(table_.col("SCANNO") == scanno |
---|
| 446 | && table_.col("IFNO") == 0 |
---|
| 447 | && table_.col("BEAMNO") == 0 |
---|
| 448 | && table_.col("CYCLENO") == 0 ); |
---|
| 449 | ROTableVector<uInt> v(tab, "POLNO"); |
---|
| 450 | return int(v.nelements()); |
---|
[321] | 451 | } |
---|
[805] | 452 | return 0; |
---|
[2] | 453 | } |
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[805] | 454 | |
---|
[845] | 455 | int Scantable::ncycle( int scanno ) const |
---|
[206] | 456 | { |
---|
[805] | 457 | if ( scanno < 0 ) { |
---|
[837] | 458 | Block<String> cols(2); |
---|
| 459 | cols[0] = "SCANNO"; |
---|
| 460 | cols[1] = "CYCLENO"; |
---|
| 461 | TableIterator it(table_, cols); |
---|
| 462 | int n = 0; |
---|
| 463 | while ( !it.pastEnd() ) { |
---|
| 464 | ++n; |
---|
| 465 | } |
---|
| 466 | return n; |
---|
[805] | 467 | } else { |
---|
| 468 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
---|
| 469 | Table tab = table_(table_.col("SCANNO") == scanno |
---|
| 470 | && table_.col("BEAMNO") == 0 |
---|
| 471 | && table_.col("IFNO") == 0 |
---|
| 472 | && table_.col("POLNO") == 0 ); |
---|
| 473 | return int(tab.nrow()); |
---|
| 474 | } |
---|
| 475 | return 0; |
---|
[18] | 476 | } |
---|
[455] | 477 | |
---|
| 478 | |
---|
[845] | 479 | int Scantable::nrow( int scanno ) const |
---|
[805] | 480 | { |
---|
[845] | 481 | return int(table_.nrow()); |
---|
| 482 | } |
---|
| 483 | |
---|
| 484 | int Scantable::nchan( int ifno ) const |
---|
| 485 | { |
---|
| 486 | if ( ifno < 0 ) { |
---|
[805] | 487 | Int n; |
---|
| 488 | table_.keywordSet().get("nChan",n); |
---|
| 489 | return int(n); |
---|
| 490 | } else { |
---|
[845] | 491 | // take the first SCANNO,POLNO,BEAMNO,CYCLENO as nbeam shouldn't vary with these |
---|
| 492 | Table tab = table_(table_.col("SCANNO") == 0 |
---|
[805] | 493 | && table_.col("IFNO") == ifno |
---|
| 494 | && table_.col("BEAMNO") == 0 |
---|
| 495 | && table_.col("POLNO") == 0 |
---|
| 496 | && table_.col("CYCLENO") == 0 ); |
---|
| 497 | ROArrayColumn<Float> v(tab, "SPECTRA"); |
---|
[837] | 498 | return v(0).nelements(); |
---|
[805] | 499 | } |
---|
| 500 | return 0; |
---|
[18] | 501 | } |
---|
[455] | 502 | |
---|
[847] | 503 | |
---|
| 504 | int Scantable::getBeam(int whichrow) const |
---|
| 505 | { |
---|
| 506 | return beamCol_(whichrow); |
---|
| 507 | } |
---|
| 508 | |
---|
| 509 | int Scantable::getIF(int whichrow) const |
---|
| 510 | { |
---|
| 511 | return ifCol_(whichrow); |
---|
| 512 | } |
---|
| 513 | |
---|
| 514 | int Scantable::getPol(int whichrow) const |
---|
| 515 | { |
---|
| 516 | return polCol_(whichrow); |
---|
| 517 | } |
---|
| 518 | |
---|
[805] | 519 | std::string Scantable::formatTime(const MEpoch& me, bool showdate) const |
---|
| 520 | { |
---|
| 521 | MVTime mvt(me.getValue()); |
---|
| 522 | if (showdate) |
---|
| 523 | mvt.setFormat(MVTime::YMD); |
---|
| 524 | else |
---|
| 525 | mvt.setFormat(MVTime::TIME); |
---|
| 526 | ostringstream oss; |
---|
| 527 | oss << mvt; |
---|
| 528 | return String(oss); |
---|
| 529 | } |
---|
[488] | 530 | |
---|
[805] | 531 | void Scantable::calculateAZEL() |
---|
| 532 | { |
---|
| 533 | MPosition mp = getAntennaPosition(); |
---|
| 534 | MEpoch::ROScalarColumn timeCol(table_, "TIME"); |
---|
| 535 | ostringstream oss; |
---|
| 536 | oss << "Computed azimuth/elevation using " << endl |
---|
| 537 | << mp << endl; |
---|
| 538 | for (uInt i=0; i<nrow(); ++i) { |
---|
| 539 | MEpoch me = timeCol(i); |
---|
| 540 | MDirection md = dirCol_(i); |
---|
| 541 | dirCol_.get(i,md); |
---|
| 542 | oss << " Time: " << formatTime(me,False) << " Direction: " << formatDirection(md) |
---|
| 543 | << endl << " => "; |
---|
| 544 | MeasFrame frame(mp, me); |
---|
| 545 | Vector<Double> azel = |
---|
| 546 | MDirection::Convert(md, MDirection::Ref(MDirection::AZEL, |
---|
| 547 | frame) |
---|
| 548 | )().getAngle("rad").getValue(); |
---|
| 549 | azCol_.put(i,azel[0]); |
---|
| 550 | elCol_.put(i,azel[1]); |
---|
| 551 | oss << "azel: " << azel[0]/C::pi*180.0 << " " |
---|
| 552 | << azel[1]/C::pi*180.0 << " (deg)" << endl; |
---|
[16] | 553 | } |
---|
[805] | 554 | pushLog(String(oss)); |
---|
| 555 | } |
---|
[89] | 556 | |
---|
[865] | 557 | void Scantable::flag() |
---|
| 558 | { |
---|
| 559 | if ( selector_.empty() ) |
---|
| 560 | throw(AipsError("Trying to flag whole scantable. Aborted.")); |
---|
| 561 | } |
---|
| 562 | |
---|
[805] | 563 | std::vector<bool> Scantable::getMask(int whichrow) const |
---|
| 564 | { |
---|
| 565 | Vector<uChar> flags; |
---|
| 566 | flagsCol_.get(uInt(whichrow), flags); |
---|
| 567 | Vector<Bool> bflag(flags.shape()); |
---|
| 568 | convertArray(bflag, flags); |
---|
| 569 | bflag = !bflag; |
---|
| 570 | std::vector<bool> mask; |
---|
| 571 | bflag.tovector(mask); |
---|
| 572 | return mask; |
---|
| 573 | } |
---|
[89] | 574 | |
---|
[805] | 575 | std::vector<float> Scantable::getSpectrum(int whichrow) const |
---|
| 576 | { |
---|
| 577 | Vector<Float> arr; |
---|
| 578 | specCol_.get(whichrow, arr); |
---|
| 579 | std::vector<float> out; |
---|
| 580 | arr.tovector(out); |
---|
| 581 | return out; |
---|
[89] | 582 | } |
---|
[212] | 583 | |
---|
[805] | 584 | String Scantable::generateName() |
---|
[745] | 585 | { |
---|
[805] | 586 | return (File::newUniqueName("./","temp")).baseName(); |
---|
[212] | 587 | } |
---|
| 588 | |
---|
[805] | 589 | const casa::Table& Scantable::table( ) const |
---|
[212] | 590 | { |
---|
[805] | 591 | return table_; |
---|
[212] | 592 | } |
---|
| 593 | |
---|
[805] | 594 | casa::Table& Scantable::table( ) |
---|
[386] | 595 | { |
---|
[805] | 596 | return table_; |
---|
[386] | 597 | } |
---|
| 598 | |
---|
[805] | 599 | std::string Scantable::getPolarizationLabel(bool linear, bool stokes, |
---|
| 600 | bool linpol, int polidx) const |
---|
[401] | 601 | { |
---|
[805] | 602 | uInt idx = 0; |
---|
| 603 | if (polidx >=0) idx = polidx; |
---|
| 604 | return ""; |
---|
| 605 | //return SDPolUtil::polarizationLabel(idx, linear, stokes, linpol); |
---|
[401] | 606 | } |
---|
[386] | 607 | |
---|
[805] | 608 | void Scantable::unsetSelection() |
---|
[380] | 609 | { |
---|
[805] | 610 | table_ = originalTable_; |
---|
[847] | 611 | attach(); |
---|
[805] | 612 | selector_.reset(); |
---|
[380] | 613 | } |
---|
[386] | 614 | |
---|
[805] | 615 | void Scantable::setSelection( const STSelector& selection ) |
---|
[430] | 616 | { |
---|
[805] | 617 | Table tab = const_cast<STSelector&>(selection).apply(originalTable_); |
---|
| 618 | if ( tab.nrow() == 0 ) { |
---|
| 619 | throw(AipsError("Selection contains no data. Not applying it.")); |
---|
| 620 | } |
---|
| 621 | table_ = tab; |
---|
[847] | 622 | attach(); |
---|
[805] | 623 | selector_ = selection; |
---|
[430] | 624 | } |
---|
| 625 | |
---|
[837] | 626 | std::string Scantable::summary( bool verbose ) |
---|
[447] | 627 | { |
---|
[805] | 628 | // Format header info |
---|
| 629 | ostringstream oss; |
---|
| 630 | oss << endl; |
---|
| 631 | oss << asap::SEPERATOR << endl; |
---|
| 632 | oss << " Scan Table Summary" << endl; |
---|
| 633 | oss << asap::SEPERATOR << endl; |
---|
| 634 | oss.flags(std::ios_base::left); |
---|
| 635 | oss << setw(15) << "Beams:" << setw(4) << nbeam() << endl |
---|
| 636 | << setw(15) << "IFs:" << setw(4) << nif() << endl |
---|
| 637 | << setw(15) << "Polarisations:" << setw(4) << npol() << endl |
---|
| 638 | << setw(15) << "Channels:" << setw(4) << nchan() << endl; |
---|
| 639 | oss << endl; |
---|
| 640 | String tmp; |
---|
[860] | 641 | oss << setw(15) << "Observer:" |
---|
| 642 | << table_.keywordSet().asString("Observer") << endl; |
---|
[805] | 643 | oss << setw(15) << "Obs Date:" << getTime(-1,true) << endl; |
---|
| 644 | table_.keywordSet().get("Project", tmp); |
---|
| 645 | oss << setw(15) << "Project:" << tmp << endl; |
---|
| 646 | table_.keywordSet().get("Obstype", tmp); |
---|
| 647 | oss << setw(15) << "Obs. Type:" << tmp << endl; |
---|
| 648 | table_.keywordSet().get("AntennaName", tmp); |
---|
| 649 | oss << setw(15) << "Antenna Name:" << tmp << endl; |
---|
| 650 | table_.keywordSet().get("FluxUnit", tmp); |
---|
| 651 | oss << setw(15) << "Flux Unit:" << tmp << endl; |
---|
| 652 | Vector<Float> vec; |
---|
| 653 | oss << setw(15) << "Rest Freqs:"; |
---|
| 654 | if (vec.nelements() > 0) { |
---|
| 655 | oss << setprecision(10) << vec << " [Hz]" << endl; |
---|
| 656 | } else { |
---|
| 657 | oss << "none" << endl; |
---|
| 658 | } |
---|
| 659 | oss << setw(15) << "Abcissa:" << "channel" << endl; |
---|
| 660 | oss << selector_.print() << endl; |
---|
| 661 | oss << endl; |
---|
| 662 | // main table |
---|
| 663 | String dirtype = "Position (" |
---|
| 664 | + MDirection::showType(dirCol_.getMeasRef().getType()) |
---|
| 665 | + ")"; |
---|
| 666 | oss << setw(5) << "Scan" |
---|
| 667 | << setw(15) << "Source" |
---|
| 668 | // << setw(24) << dirtype |
---|
| 669 | << setw(10) << "Time" |
---|
| 670 | << setw(18) << "Integration" << endl |
---|
| 671 | << setw(5) << "" << setw(10) << "Beam" << dirtype << endl |
---|
| 672 | << setw(15) << "" << setw(5) << "IF" |
---|
| 673 | << setw(8) << "Frame" << setw(16) |
---|
| 674 | << "RefVal" << setw(10) << "RefPix" << setw(12) << "Increment" <<endl; |
---|
| 675 | oss << asap::SEPERATOR << endl; |
---|
| 676 | TableIterator iter(table_, "SCANNO"); |
---|
| 677 | while (!iter.pastEnd()) { |
---|
| 678 | Table subt = iter.table(); |
---|
| 679 | ROTableRow row(subt); |
---|
| 680 | MEpoch::ROScalarColumn timeCol(subt,"TIME"); |
---|
| 681 | const TableRecord& rec = row.get(0); |
---|
| 682 | oss << setw(4) << std::right << rec.asuInt("SCANNO") |
---|
| 683 | << std::left << setw(1) << "" |
---|
| 684 | << setw(15) << rec.asString("SRCNAME") |
---|
| 685 | << setw(10) << formatTime(timeCol(0), false); |
---|
| 686 | // count the cycles in the scan |
---|
| 687 | TableIterator cyciter(subt, "CYCLENO"); |
---|
| 688 | int nint = 0; |
---|
| 689 | while (!cyciter.pastEnd()) { |
---|
| 690 | ++nint; |
---|
| 691 | ++cyciter; |
---|
| 692 | } |
---|
| 693 | oss << setw(3) << std::right << nint << setw(3) << " x " << std::left |
---|
| 694 | << setw(6) << formatSec(rec.asFloat("INTERVAL")) << endl; |
---|
[447] | 695 | |
---|
[805] | 696 | TableIterator biter(subt, "BEAMNO"); |
---|
| 697 | while (!biter.pastEnd()) { |
---|
| 698 | Table bsubt = biter.table(); |
---|
| 699 | ROTableRow brow(bsubt); |
---|
| 700 | MDirection::ROScalarColumn bdirCol(bsubt,"DIRECTION"); |
---|
| 701 | const TableRecord& brec = brow.get(0); |
---|
| 702 | oss << setw(6) << "" << setw(10) << brec.asuInt("BEAMNO"); |
---|
| 703 | oss << setw(24) << formatDirection(bdirCol(0)) << endl; |
---|
| 704 | TableIterator iiter(bsubt, "IFNO"); |
---|
| 705 | while (!iiter.pastEnd()) { |
---|
| 706 | Table isubt = iiter.table(); |
---|
| 707 | ROTableRow irow(isubt); |
---|
| 708 | const TableRecord& irec = irow.get(0); |
---|
| 709 | oss << std::right <<setw(8) << "" << std::left << irec.asuInt("IFNO"); |
---|
| 710 | oss << frequencies().print(irec.asuInt("FREQ_ID")); |
---|
[447] | 711 | |
---|
[805] | 712 | ++iiter; |
---|
| 713 | } |
---|
| 714 | ++biter; |
---|
| 715 | } |
---|
| 716 | ++iter; |
---|
[447] | 717 | } |
---|
[805] | 718 | /// @todo implement verbose mode |
---|
| 719 | return String(oss); |
---|
[447] | 720 | } |
---|
| 721 | |
---|
[805] | 722 | std::string Scantable::getTime(int whichrow, bool showdate) const |
---|
[777] | 723 | { |
---|
[805] | 724 | MEpoch::ROScalarColumn timeCol(table_, "TIME"); |
---|
| 725 | MEpoch me; |
---|
| 726 | if (whichrow > -1) { |
---|
| 727 | me = timeCol(uInt(whichrow)); |
---|
| 728 | } else { |
---|
| 729 | Double tm; |
---|
| 730 | table_.keywordSet().get("UTC",tm); |
---|
| 731 | me = MEpoch(MVEpoch(tm)); |
---|
[777] | 732 | } |
---|
[805] | 733 | return formatTime(me, showdate); |
---|
[777] | 734 | } |
---|
[805] | 735 | |
---|
[865] | 736 | std::vector< double > asap::Scantable::getAbcissa( int whichrow ) const |
---|
| 737 | { |
---|
| 738 | if ( whichrow > table_.nrow() ) throw(AipsError("Illegal ro number")); |
---|
| 739 | std::vector<double> stlout; |
---|
| 740 | int nchan = specCol_(whichrow).nelements(); |
---|
| 741 | cout << nchan << endl; |
---|
| 742 | String us = freqTable_.getUnitString(); |
---|
| 743 | if ( us == "" || us == "pixel" || us == "channel" ) { |
---|
| 744 | for (int i=0; i<nchan; ++i) { |
---|
| 745 | stlout.push_back(double(i)); |
---|
| 746 | } |
---|
| 747 | return stlout; |
---|
| 748 | } |
---|
| 749 | |
---|
| 750 | const MPosition& mp = getAntennaPosition(); |
---|
| 751 | const MDirection& md = dirCol_(whichrow); |
---|
| 752 | const MEpoch& me = timeCol_(whichrow); |
---|
| 753 | Double rf = moleculeTable_.getRestFrequency(mmolidCol_(whichrow)); |
---|
| 754 | SpectralCoordinate spc = |
---|
| 755 | freqTable_.getSpectralCoordinate(md, mp, me, rf, mfreqidCol_(whichrow)); |
---|
| 756 | Vector<Double> pixel(nchan); |
---|
| 757 | Vector<Double> world; |
---|
| 758 | indgen(pixel); |
---|
| 759 | if ( Unit(us) == Unit("Hz") ) { |
---|
| 760 | for ( int i=0; i < nchan; ++i) { |
---|
| 761 | Double world; |
---|
| 762 | spc.toWorld(world, pixel[i]); |
---|
| 763 | stlout.push_back(double(world)); |
---|
| 764 | } |
---|
| 765 | } else if ( Unit(us) == Unit("km/s") ) { |
---|
| 766 | Vector<Double> world; |
---|
| 767 | spc.pixelToVelocity(world, pixel); |
---|
| 768 | world.tovector(stlout); |
---|
| 769 | } |
---|
| 770 | return stlout; |
---|
| 771 | } |
---|
| 772 | |
---|
[847] | 773 | std::string Scantable::getAbcissaLabel( int whichrow ) const |
---|
| 774 | { |
---|
| 775 | if ( whichrow > table_.nrow() ) throw(AipsError("Illegal ro number")); |
---|
| 776 | const MPosition& mp = getAntennaPosition(); |
---|
| 777 | const MDirection& md = dirCol_(whichrow); |
---|
| 778 | const MEpoch& me = timeCol_(whichrow); |
---|
| 779 | const Double& rf = mmolidCol_(whichrow); |
---|
| 780 | SpectralCoordinate spc = |
---|
| 781 | freqTable_.getSpectralCoordinate(md, mp, me, rf, mfreqidCol_(whichrow)); |
---|
| 782 | |
---|
| 783 | String s = "Channel"; |
---|
| 784 | Unit u = Unit(freqTable_.getUnitString()); |
---|
| 785 | if (u == Unit("km/s")) { |
---|
| 786 | s = CoordinateUtil::axisLabel(spc,0,True,True,True); |
---|
| 787 | } else if (u == Unit("Hz")) { |
---|
| 788 | Vector<String> wau(1);wau = u.getName(); |
---|
| 789 | spc.setWorldAxisUnits(wau); |
---|
| 790 | |
---|
| 791 | s = CoordinateUtil::axisLabel(spc,0,True,True,False); |
---|
| 792 | } |
---|
| 793 | return s; |
---|
| 794 | |
---|
| 795 | } |
---|
| 796 | |
---|
| 797 | void asap::Scantable::setRestFrequencies( double rf, const std::string& unit ) |
---|
| 798 | { |
---|
| 799 | ///@todo lookup in line table |
---|
| 800 | Unit u(unit); |
---|
| 801 | Quantum<Double> urf(rf, u); |
---|
| 802 | uInt id = moleculeTable_.addEntry(urf.getValue("Hz"), "", ""); |
---|
| 803 | TableVector<uInt> tabvec(table_, "MOLECULE_ID"); |
---|
| 804 | tabvec = id; |
---|
| 805 | } |
---|
| 806 | |
---|
| 807 | void asap::Scantable::setRestFrequencies( const std::string& name ) |
---|
| 808 | { |
---|
| 809 | throw(AipsError("setRestFrequencies( const std::string& name ) NYI")); |
---|
| 810 | ///@todo implement |
---|
| 811 | } |
---|
| 812 | |
---|
[852] | 813 | std::vector< unsigned int > asap::Scantable::rownumbers( ) const |
---|
| 814 | { |
---|
| 815 | std::vector<unsigned int> stlout; |
---|
| 816 | Vector<uInt> vec = table_.rowNumbers(); |
---|
| 817 | vec.tovector(stlout); |
---|
| 818 | return stlout; |
---|
| 819 | } |
---|
| 820 | |
---|
[865] | 821 | |
---|
| 822 | |
---|
[805] | 823 | }//namespace asap |
---|