[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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[1446] | 13 | #include <fstream> |
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[206] | 14 | |
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[125] | 15 | #include <casa/aips.h> |
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[80] | 16 | #include <casa/iostream.h> |
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| 17 | #include <casa/iomanip.h> |
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[805] | 18 | #include <casa/OS/Path.h> |
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| 19 | #include <casa/OS/File.h> |
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[80] | 20 | #include <casa/Arrays/Array.h> |
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| 21 | #include <casa/Arrays/ArrayMath.h> |
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| 22 | #include <casa/Arrays/MaskArrMath.h> |
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| 23 | #include <casa/Arrays/ArrayLogical.h> |
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| 24 | #include <casa/Arrays/ArrayAccessor.h> |
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[1325] | 25 | #include <casa/Arrays/Vector.h> |
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[455] | 26 | #include <casa/Arrays/VectorSTLIterator.h> |
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[1446] | 27 | #include <casa/Arrays/Slice.h> |
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[418] | 28 | #include <casa/BasicMath/Math.h> |
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[504] | 29 | #include <casa/BasicSL/Constants.h> |
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[286] | 30 | #include <casa/Quanta/MVAngle.h> |
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[805] | 31 | #include <casa/Containers/RecordField.h> |
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[902] | 32 | #include <casa/Utilities/GenSort.h> |
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[1616] | 33 | #include <casa/Logging/LogIO.h> |
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[2] | 34 | |
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[80] | 35 | #include <tables/Tables/TableParse.h> |
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| 36 | #include <tables/Tables/TableDesc.h> |
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[488] | 37 | #include <tables/Tables/TableCopy.h> |
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[80] | 38 | #include <tables/Tables/SetupNewTab.h> |
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| 39 | #include <tables/Tables/ScaColDesc.h> |
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| 40 | #include <tables/Tables/ArrColDesc.h> |
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[805] | 41 | #include <tables/Tables/TableRow.h> |
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| 42 | #include <tables/Tables/TableVector.h> |
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| 43 | #include <tables/Tables/TableIter.h> |
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[2] | 44 | |
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[80] | 45 | #include <tables/Tables/ExprNode.h> |
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| 46 | #include <tables/Tables/TableRecord.h> |
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[1325] | 47 | #include <casa/Quanta/MVTime.h> |
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| 48 | #include <casa/Quanta/MVAngle.h> |
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| 49 | #include <measures/Measures/MeasRef.h> |
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| 50 | #include <measures/Measures/MeasTable.h> |
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| 51 | // needed to avoid error in .tcc |
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| 52 | #include <measures/Measures/MCDirection.h> |
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| 53 | // |
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| 54 | #include <measures/Measures/MDirection.h> |
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[80] | 55 | #include <measures/Measures/MFrequency.h> |
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[805] | 56 | #include <measures/Measures/MEpoch.h> |
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| 57 | #include <measures/TableMeasures/TableMeasRefDesc.h> |
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| 58 | #include <measures/TableMeasures/TableMeasValueDesc.h> |
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| 59 | #include <measures/TableMeasures/TableMeasDesc.h> |
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| 60 | #include <measures/TableMeasures/ScalarMeasColumn.h> |
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[105] | 61 | #include <coordinates/Coordinates/CoordinateUtil.h> |
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[2] | 62 | |
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[805] | 63 | #include "Scantable.h" |
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[896] | 64 | #include "STPolLinear.h" |
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[1189] | 65 | #include "STPolCircular.h" |
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[913] | 66 | #include "STPolStokes.h" |
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[878] | 67 | #include "STAttr.h" |
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[902] | 68 | #include "MathUtils.h" |
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[2] | 69 | |
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[125] | 70 | using namespace casa; |
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[2] | 71 | |
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[805] | 72 | namespace asap { |
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| 73 | |
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[896] | 74 | std::map<std::string, STPol::STPolFactory *> Scantable::factories_; |
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| 75 | |
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| 76 | void Scantable::initFactories() { |
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| 77 | if ( factories_.empty() ) { |
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| 78 | Scantable::factories_["linear"] = &STPolLinear::myFactory; |
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[1323] | 79 | Scantable::factories_["circular"] = &STPolCircular::myFactory; |
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[913] | 80 | Scantable::factories_["stokes"] = &STPolStokes::myFactory; |
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[896] | 81 | } |
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| 82 | } |
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| 83 | |
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[805] | 84 | Scantable::Scantable(Table::TableType ttype) : |
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[852] | 85 | type_(ttype) |
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[206] | 86 | { |
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[896] | 87 | initFactories(); |
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[805] | 88 | setupMainTable(); |
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[852] | 89 | freqTable_ = STFrequencies(*this); |
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[805] | 90 | table_.rwKeywordSet().defineTable("FREQUENCIES", freqTable_.table()); |
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[852] | 91 | weatherTable_ = STWeather(*this); |
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[805] | 92 | table_.rwKeywordSet().defineTable("WEATHER", weatherTable_.table()); |
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[852] | 93 | focusTable_ = STFocus(*this); |
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[805] | 94 | table_.rwKeywordSet().defineTable("FOCUS", focusTable_.table()); |
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[852] | 95 | tcalTable_ = STTcal(*this); |
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[805] | 96 | table_.rwKeywordSet().defineTable("TCAL", tcalTable_.table()); |
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[852] | 97 | moleculeTable_ = STMolecules(*this); |
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[805] | 98 | table_.rwKeywordSet().defineTable("MOLECULES", moleculeTable_.table()); |
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[860] | 99 | historyTable_ = STHistory(*this); |
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| 100 | table_.rwKeywordSet().defineTable("HISTORY", historyTable_.table()); |
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[959] | 101 | fitTable_ = STFit(*this); |
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| 102 | table_.rwKeywordSet().defineTable("FIT", fitTable_.table()); |
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[805] | 103 | originalTable_ = table_; |
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[322] | 104 | attach(); |
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[18] | 105 | } |
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[206] | 106 | |
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[805] | 107 | Scantable::Scantable(const std::string& name, Table::TableType ttype) : |
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[852] | 108 | type_(ttype) |
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[206] | 109 | { |
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[896] | 110 | initFactories(); |
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[865] | 111 | Table tab(name, Table::Update); |
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[1009] | 112 | uInt version = tab.keywordSet().asuInt("VERSION"); |
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[483] | 113 | if (version != version_) { |
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| 114 | throw(AipsError("Unsupported version of ASAP file.")); |
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| 115 | } |
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[1009] | 116 | if ( type_ == Table::Memory ) { |
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[852] | 117 | table_ = tab.copyToMemoryTable(generateName()); |
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[1009] | 118 | } else { |
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[805] | 119 | table_ = tab; |
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[1009] | 120 | } |
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| 121 | |
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[859] | 122 | attachSubtables(); |
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[805] | 123 | originalTable_ = table_; |
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[329] | 124 | attach(); |
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[2] | 125 | } |
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| 126 | |
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[805] | 127 | Scantable::Scantable( const Scantable& other, bool clear ) |
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[206] | 128 | { |
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[805] | 129 | // with or without data |
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[859] | 130 | String newname = String(generateName()); |
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[865] | 131 | type_ = other.table_.tableType(); |
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[859] | 132 | if ( other.table_.tableType() == Table::Memory ) { |
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| 133 | if ( clear ) { |
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| 134 | table_ = TableCopy::makeEmptyMemoryTable(newname, |
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| 135 | other.table_, True); |
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| 136 | } else |
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| 137 | table_ = other.table_.copyToMemoryTable(newname); |
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[16] | 138 | } else { |
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[915] | 139 | other.table_.deepCopy(newname, Table::New, False, |
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| 140 | other.table_.endianFormat(), |
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[865] | 141 | Bool(clear)); |
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| 142 | table_ = Table(newname, Table::Update); |
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| 143 | table_.markForDelete(); |
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| 144 | } |
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[1111] | 145 | /// @todo reindex SCANNO, recompute nbeam, nif, npol |
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[915] | 146 | if ( clear ) copySubtables(other); |
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[859] | 147 | attachSubtables(); |
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[805] | 148 | originalTable_ = table_; |
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[322] | 149 | attach(); |
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[2] | 150 | } |
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| 151 | |
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[865] | 152 | void Scantable::copySubtables(const Scantable& other) { |
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| 153 | Table t = table_.rwKeywordSet().asTable("FREQUENCIES"); |
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| 154 | TableCopy::copyRows(t, other.freqTable_.table()); |
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| 155 | t = table_.rwKeywordSet().asTable("FOCUS"); |
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| 156 | TableCopy::copyRows(t, other.focusTable_.table()); |
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| 157 | t = table_.rwKeywordSet().asTable("WEATHER"); |
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| 158 | TableCopy::copyRows(t, other.weatherTable_.table()); |
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| 159 | t = table_.rwKeywordSet().asTable("TCAL"); |
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| 160 | TableCopy::copyRows(t, other.tcalTable_.table()); |
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| 161 | t = table_.rwKeywordSet().asTable("MOLECULES"); |
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| 162 | TableCopy::copyRows(t, other.moleculeTable_.table()); |
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| 163 | t = table_.rwKeywordSet().asTable("HISTORY"); |
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| 164 | TableCopy::copyRows(t, other.historyTable_.table()); |
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[972] | 165 | t = table_.rwKeywordSet().asTable("FIT"); |
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| 166 | TableCopy::copyRows(t, other.fitTable_.table()); |
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[865] | 167 | } |
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| 168 | |
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[859] | 169 | void Scantable::attachSubtables() |
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| 170 | { |
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| 171 | freqTable_ = STFrequencies(table_); |
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| 172 | focusTable_ = STFocus(table_); |
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| 173 | weatherTable_ = STWeather(table_); |
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| 174 | tcalTable_ = STTcal(table_); |
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| 175 | moleculeTable_ = STMolecules(table_); |
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[860] | 176 | historyTable_ = STHistory(table_); |
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[972] | 177 | fitTable_ = STFit(table_); |
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[859] | 178 | } |
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| 179 | |
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[805] | 180 | Scantable::~Scantable() |
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[206] | 181 | { |
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[941] | 182 | //cout << "~Scantable() " << this << endl; |
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[2] | 183 | } |
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| 184 | |
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[805] | 185 | void Scantable::setupMainTable() |
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[206] | 186 | { |
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[805] | 187 | TableDesc td("", "1", TableDesc::Scratch); |
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| 188 | td.comment() = "An ASAP Scantable"; |
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[1009] | 189 | td.rwKeywordSet().define("VERSION", uInt(version_)); |
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[2] | 190 | |
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[805] | 191 | // n Cycles |
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| 192 | td.addColumn(ScalarColumnDesc<uInt>("SCANNO")); |
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| 193 | // new index every nBeam x nIF x nPol |
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| 194 | td.addColumn(ScalarColumnDesc<uInt>("CYCLENO")); |
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[2] | 195 | |
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[805] | 196 | td.addColumn(ScalarColumnDesc<uInt>("BEAMNO")); |
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| 197 | td.addColumn(ScalarColumnDesc<uInt>("IFNO")); |
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[972] | 198 | // linear, circular, stokes |
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[805] | 199 | td.rwKeywordSet().define("POLTYPE", String("linear")); |
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| 200 | td.addColumn(ScalarColumnDesc<uInt>("POLNO")); |
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[138] | 201 | |
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[805] | 202 | td.addColumn(ScalarColumnDesc<uInt>("FREQ_ID")); |
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| 203 | td.addColumn(ScalarColumnDesc<uInt>("MOLECULE_ID")); |
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| 204 | td.addColumn(ScalarColumnDesc<Int>("REFBEAMNO")); |
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[80] | 205 | |
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[805] | 206 | td.addColumn(ScalarColumnDesc<Double>("TIME")); |
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| 207 | TableMeasRefDesc measRef(MEpoch::UTC); // UTC as default |
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| 208 | TableMeasValueDesc measVal(td, "TIME"); |
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| 209 | TableMeasDesc<MEpoch> mepochCol(measVal, measRef); |
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| 210 | mepochCol.write(td); |
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[483] | 211 | |
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[805] | 212 | td.addColumn(ScalarColumnDesc<Double>("INTERVAL")); |
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| 213 | |
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[2] | 214 | td.addColumn(ScalarColumnDesc<String>("SRCNAME")); |
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[805] | 215 | // Type of source (on=0, off=1, other=-1) |
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[1603] | 216 | ScalarColumnDesc<Int> stypeColumn("SRCTYPE"); |
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| 217 | stypeColumn.setDefault(Int(-1)); |
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| 218 | td.addColumn(stypeColumn); |
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[805] | 219 | td.addColumn(ScalarColumnDesc<String>("FIELDNAME")); |
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| 220 | |
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| 221 | //The actual Data Vectors |
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[2] | 222 | td.addColumn(ArrayColumnDesc<Float>("SPECTRA")); |
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| 223 | td.addColumn(ArrayColumnDesc<uChar>("FLAGTRA")); |
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[89] | 224 | td.addColumn(ArrayColumnDesc<Float>("TSYS")); |
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[805] | 225 | |
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| 226 | td.addColumn(ArrayColumnDesc<Double>("DIRECTION", |
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| 227 | IPosition(1,2), |
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| 228 | ColumnDesc::Direct)); |
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| 229 | TableMeasRefDesc mdirRef(MDirection::J2000); // default |
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| 230 | TableMeasValueDesc tmvdMDir(td, "DIRECTION"); |
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| 231 | // the TableMeasDesc gives the column a type |
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| 232 | TableMeasDesc<MDirection> mdirCol(tmvdMDir, mdirRef); |
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[987] | 233 | // a uder set table type e.g. GALCTIC, B1950 ... |
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| 234 | td.rwKeywordSet().define("DIRECTIONREF", String("J2000")); |
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[805] | 235 | // writing create the measure column |
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| 236 | mdirCol.write(td); |
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[923] | 237 | td.addColumn(ScalarColumnDesc<Float>("AZIMUTH")); |
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| 238 | td.addColumn(ScalarColumnDesc<Float>("ELEVATION")); |
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[105] | 239 | td.addColumn(ScalarColumnDesc<Float>("PARANGLE")); |
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[1047] | 240 | td.addColumn(ScalarColumnDesc<Float>("OPACITY")); |
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[105] | 241 | |
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[805] | 242 | td.addColumn(ScalarColumnDesc<uInt>("TCAL_ID")); |
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[972] | 243 | ScalarColumnDesc<Int> fitColumn("FIT_ID"); |
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[973] | 244 | fitColumn.setDefault(Int(-1)); |
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[972] | 245 | td.addColumn(fitColumn); |
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[805] | 246 | |
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| 247 | td.addColumn(ScalarColumnDesc<uInt>("FOCUS_ID")); |
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| 248 | td.addColumn(ScalarColumnDesc<uInt>("WEATHER_ID")); |
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| 249 | |
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[999] | 250 | // columns which just get dragged along, as they aren't used in asap |
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| 251 | td.addColumn(ScalarColumnDesc<Double>("SRCVELOCITY")); |
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| 252 | td.addColumn(ArrayColumnDesc<Double>("SRCPROPERMOTION")); |
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| 253 | td.addColumn(ArrayColumnDesc<Double>("SRCDIRECTION")); |
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| 254 | td.addColumn(ArrayColumnDesc<Double>("SCANRATE")); |
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| 255 | |
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[805] | 256 | td.rwKeywordSet().define("OBSMODE", String("")); |
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| 257 | |
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[418] | 258 | // Now create Table SetUp from the description. |
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[859] | 259 | SetupNewTable aNewTab(generateName(), td, Table::Scratch); |
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[852] | 260 | table_ = Table(aNewTab, type_, 0); |
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[805] | 261 | originalTable_ = table_; |
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| 262 | } |
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[418] | 263 | |
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[455] | 264 | |
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[805] | 265 | void Scantable::attach() |
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[455] | 266 | { |
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[805] | 267 | timeCol_.attach(table_, "TIME"); |
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| 268 | srcnCol_.attach(table_, "SRCNAME"); |
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[1068] | 269 | srctCol_.attach(table_, "SRCTYPE"); |
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[805] | 270 | specCol_.attach(table_, "SPECTRA"); |
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| 271 | flagsCol_.attach(table_, "FLAGTRA"); |
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[865] | 272 | tsysCol_.attach(table_, "TSYS"); |
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[805] | 273 | cycleCol_.attach(table_,"CYCLENO"); |
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| 274 | scanCol_.attach(table_, "SCANNO"); |
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| 275 | beamCol_.attach(table_, "BEAMNO"); |
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[847] | 276 | ifCol_.attach(table_, "IFNO"); |
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| 277 | polCol_.attach(table_, "POLNO"); |
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[805] | 278 | integrCol_.attach(table_, "INTERVAL"); |
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| 279 | azCol_.attach(table_, "AZIMUTH"); |
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| 280 | elCol_.attach(table_, "ELEVATION"); |
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| 281 | dirCol_.attach(table_, "DIRECTION"); |
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| 282 | paraCol_.attach(table_, "PARANGLE"); |
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| 283 | fldnCol_.attach(table_, "FIELDNAME"); |
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| 284 | rbeamCol_.attach(table_, "REFBEAMNO"); |
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[455] | 285 | |
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[805] | 286 | mfitidCol_.attach(table_,"FIT_ID"); |
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| 287 | mfreqidCol_.attach(table_, "FREQ_ID"); |
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| 288 | mtcalidCol_.attach(table_, "TCAL_ID"); |
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| 289 | mfocusidCol_.attach(table_, "FOCUS_ID"); |
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| 290 | mmolidCol_.attach(table_, "MOLECULE_ID"); |
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[455] | 291 | } |
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| 292 | |
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[901] | 293 | void Scantable::setHeader(const STHeader& sdh) |
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[206] | 294 | { |
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[18] | 295 | table_.rwKeywordSet().define("nIF", sdh.nif); |
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| 296 | table_.rwKeywordSet().define("nBeam", sdh.nbeam); |
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| 297 | table_.rwKeywordSet().define("nPol", sdh.npol); |
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| 298 | table_.rwKeywordSet().define("nChan", sdh.nchan); |
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| 299 | table_.rwKeywordSet().define("Observer", sdh.observer); |
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| 300 | table_.rwKeywordSet().define("Project", sdh.project); |
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| 301 | table_.rwKeywordSet().define("Obstype", sdh.obstype); |
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| 302 | table_.rwKeywordSet().define("AntennaName", sdh.antennaname); |
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| 303 | table_.rwKeywordSet().define("AntennaPosition", sdh.antennaposition); |
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| 304 | table_.rwKeywordSet().define("Equinox", sdh.equinox); |
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| 305 | table_.rwKeywordSet().define("FreqRefFrame", sdh.freqref); |
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| 306 | table_.rwKeywordSet().define("FreqRefVal", sdh.reffreq); |
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| 307 | table_.rwKeywordSet().define("Bandwidth", sdh.bandwidth); |
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| 308 | table_.rwKeywordSet().define("UTC", sdh.utc); |
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[206] | 309 | table_.rwKeywordSet().define("FluxUnit", sdh.fluxunit); |
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| 310 | table_.rwKeywordSet().define("Epoch", sdh.epoch); |
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[905] | 311 | table_.rwKeywordSet().define("POLTYPE", sdh.poltype); |
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[50] | 312 | } |
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[21] | 313 | |
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[901] | 314 | STHeader Scantable::getHeader() const |
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[206] | 315 | { |
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[901] | 316 | STHeader sdh; |
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[21] | 317 | table_.keywordSet().get("nBeam",sdh.nbeam); |
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| 318 | table_.keywordSet().get("nIF",sdh.nif); |
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| 319 | table_.keywordSet().get("nPol",sdh.npol); |
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| 320 | table_.keywordSet().get("nChan",sdh.nchan); |
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| 321 | table_.keywordSet().get("Observer", sdh.observer); |
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| 322 | table_.keywordSet().get("Project", sdh.project); |
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| 323 | table_.keywordSet().get("Obstype", sdh.obstype); |
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| 324 | table_.keywordSet().get("AntennaName", sdh.antennaname); |
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| 325 | table_.keywordSet().get("AntennaPosition", sdh.antennaposition); |
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| 326 | table_.keywordSet().get("Equinox", sdh.equinox); |
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| 327 | table_.keywordSet().get("FreqRefFrame", sdh.freqref); |
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| 328 | table_.keywordSet().get("FreqRefVal", sdh.reffreq); |
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| 329 | table_.keywordSet().get("Bandwidth", sdh.bandwidth); |
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| 330 | table_.keywordSet().get("UTC", sdh.utc); |
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[206] | 331 | table_.keywordSet().get("FluxUnit", sdh.fluxunit); |
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| 332 | table_.keywordSet().get("Epoch", sdh.epoch); |
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[905] | 333 | table_.keywordSet().get("POLTYPE", sdh.poltype); |
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[21] | 334 | return sdh; |
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[18] | 335 | } |
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[805] | 336 | |
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[1360] | 337 | void Scantable::setSourceType( int stype ) |
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[1068] | 338 | { |
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| 339 | if ( stype < 0 || stype > 1 ) |
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| 340 | throw(AipsError("Illegal sourcetype.")); |
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| 341 | TableVector<Int> tabvec(table_, "SRCTYPE"); |
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| 342 | tabvec = Int(stype); |
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| 343 | } |
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| 344 | |
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[845] | 345 | bool Scantable::conformant( const Scantable& other ) |
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| 346 | { |
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| 347 | return this->getHeader().conformant(other.getHeader()); |
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| 348 | } |
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| 349 | |
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| 350 | |
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[50] | 351 | |
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[805] | 352 | std::string Scantable::formatSec(Double x) const |
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[206] | 353 | { |
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[105] | 354 | Double xcop = x; |
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| 355 | MVTime mvt(xcop/24./3600.); // make days |
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[365] | 356 | |
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[105] | 357 | if (x < 59.95) |
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[281] | 358 | return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_HM, 7)+"s"; |
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[745] | 359 | else if (x < 3599.95) |
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[281] | 360 | return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_H,7)+" "; |
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| 361 | else { |
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| 362 | ostringstream oss; |
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| 363 | oss << setw(2) << std::right << setprecision(1) << mvt.hour(); |
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| 364 | oss << ":" << mvt.string(MVTime::TIME_CLEAN_NO_H,7) << " "; |
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| 365 | return String(oss); |
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[745] | 366 | } |
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[105] | 367 | }; |
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| 368 | |
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[805] | 369 | std::string Scantable::formatDirection(const MDirection& md) const |
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[281] | 370 | { |
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| 371 | Vector<Double> t = md.getAngle(Unit(String("rad"))).getValue(); |
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| 372 | Int prec = 7; |
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| 373 | |
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| 374 | MVAngle mvLon(t[0]); |
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| 375 | String sLon = mvLon.string(MVAngle::TIME,prec); |
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[987] | 376 | uInt tp = md.getRef().getType(); |
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| 377 | if (tp == MDirection::GALACTIC || |
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| 378 | tp == MDirection::SUPERGAL ) { |
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| 379 | sLon = mvLon(0.0).string(MVAngle::ANGLE_CLEAN,prec); |
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| 380 | } |
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[281] | 381 | MVAngle mvLat(t[1]); |
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| 382 | String sLat = mvLat.string(MVAngle::ANGLE+MVAngle::DIG2,prec); |
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[380] | 383 | return sLon + String(" ") + sLat; |
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[281] | 384 | } |
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| 385 | |
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| 386 | |
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[805] | 387 | std::string Scantable::getFluxUnit() const |
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[206] | 388 | { |
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[847] | 389 | return table_.keywordSet().asString("FluxUnit"); |
---|
[206] | 390 | } |
---|
| 391 | |
---|
[805] | 392 | void Scantable::setFluxUnit(const std::string& unit) |
---|
[218] | 393 | { |
---|
| 394 | String tmp(unit); |
---|
| 395 | Unit tU(tmp); |
---|
| 396 | if (tU==Unit("K") || tU==Unit("Jy")) { |
---|
| 397 | table_.rwKeywordSet().define(String("FluxUnit"), tmp); |
---|
| 398 | } else { |
---|
| 399 | throw AipsError("Illegal unit - must be compatible with Jy or K"); |
---|
| 400 | } |
---|
| 401 | } |
---|
| 402 | |
---|
[805] | 403 | void Scantable::setInstrument(const std::string& name) |
---|
[236] | 404 | { |
---|
[805] | 405 | bool throwIt = true; |
---|
[996] | 406 | // create an Instrument to see if this is valid |
---|
| 407 | STAttr::convertInstrument(name, throwIt); |
---|
[236] | 408 | String nameU(name); |
---|
| 409 | nameU.upcase(); |
---|
| 410 | table_.rwKeywordSet().define(String("AntennaName"), nameU); |
---|
| 411 | } |
---|
| 412 | |
---|
[1189] | 413 | void Scantable::setFeedType(const std::string& feedtype) |
---|
| 414 | { |
---|
| 415 | if ( Scantable::factories_.find(feedtype) == Scantable::factories_.end() ) { |
---|
| 416 | std::string msg = "Illegal feed type "+ feedtype; |
---|
| 417 | throw(casa::AipsError(msg)); |
---|
| 418 | } |
---|
| 419 | table_.rwKeywordSet().define(String("POLTYPE"), feedtype); |
---|
| 420 | } |
---|
| 421 | |
---|
[805] | 422 | MPosition Scantable::getAntennaPosition () const |
---|
| 423 | { |
---|
| 424 | Vector<Double> antpos; |
---|
| 425 | table_.keywordSet().get("AntennaPosition", antpos); |
---|
| 426 | MVPosition mvpos(antpos(0),antpos(1),antpos(2)); |
---|
| 427 | return MPosition(mvpos); |
---|
| 428 | } |
---|
[281] | 429 | |
---|
[805] | 430 | void Scantable::makePersistent(const std::string& filename) |
---|
| 431 | { |
---|
| 432 | String inname(filename); |
---|
| 433 | Path path(inname); |
---|
[1111] | 434 | /// @todo reindex SCANNO, recompute nbeam, nif, npol |
---|
[805] | 435 | inname = path.expandedName(); |
---|
| 436 | table_.deepCopy(inname, Table::New); |
---|
| 437 | } |
---|
| 438 | |
---|
[837] | 439 | int Scantable::nbeam( int scanno ) const |
---|
[805] | 440 | { |
---|
| 441 | if ( scanno < 0 ) { |
---|
| 442 | Int n; |
---|
| 443 | table_.keywordSet().get("nBeam",n); |
---|
| 444 | return int(n); |
---|
[105] | 445 | } else { |
---|
[805] | 446 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
---|
[888] | 447 | Table t = table_(table_.col("SCANNO") == scanno); |
---|
| 448 | ROTableRow row(t); |
---|
| 449 | const TableRecord& rec = row.get(0); |
---|
| 450 | Table subt = t( t.col("IFNO") == Int(rec.asuInt("IFNO")) |
---|
| 451 | && t.col("POLNO") == Int(rec.asuInt("POLNO")) |
---|
| 452 | && t.col("CYCLENO") == Int(rec.asuInt("CYCLENO")) ); |
---|
| 453 | ROTableVector<uInt> v(subt, "BEAMNO"); |
---|
[805] | 454 | return int(v.nelements()); |
---|
[105] | 455 | } |
---|
[805] | 456 | return 0; |
---|
| 457 | } |
---|
[455] | 458 | |
---|
[837] | 459 | int Scantable::nif( int scanno ) const |
---|
[805] | 460 | { |
---|
| 461 | if ( scanno < 0 ) { |
---|
| 462 | Int n; |
---|
| 463 | table_.keywordSet().get("nIF",n); |
---|
| 464 | return int(n); |
---|
| 465 | } else { |
---|
| 466 | // take the first POLNO,BEAMNO,CYCLENO as nbeam shouldn't vary with these |
---|
[888] | 467 | Table t = table_(table_.col("SCANNO") == scanno); |
---|
| 468 | ROTableRow row(t); |
---|
| 469 | const TableRecord& rec = row.get(0); |
---|
| 470 | Table subt = t( t.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
| 471 | && t.col("POLNO") == Int(rec.asuInt("POLNO")) |
---|
| 472 | && t.col("CYCLENO") == Int(rec.asuInt("CYCLENO")) ); |
---|
| 473 | if ( subt.nrow() == 0 ) return 0; |
---|
| 474 | ROTableVector<uInt> v(subt, "IFNO"); |
---|
[805] | 475 | return int(v.nelements()); |
---|
[2] | 476 | } |
---|
[805] | 477 | return 0; |
---|
| 478 | } |
---|
[321] | 479 | |
---|
[837] | 480 | int Scantable::npol( int scanno ) const |
---|
[805] | 481 | { |
---|
| 482 | if ( scanno < 0 ) { |
---|
| 483 | Int n; |
---|
| 484 | table_.keywordSet().get("nPol",n); |
---|
| 485 | return n; |
---|
| 486 | } else { |
---|
| 487 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
---|
[888] | 488 | Table t = table_(table_.col("SCANNO") == scanno); |
---|
| 489 | ROTableRow row(t); |
---|
| 490 | const TableRecord& rec = row.get(0); |
---|
| 491 | Table subt = t( t.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
| 492 | && t.col("IFNO") == Int(rec.asuInt("IFNO")) |
---|
| 493 | && t.col("CYCLENO") == Int(rec.asuInt("CYCLENO")) ); |
---|
| 494 | if ( subt.nrow() == 0 ) return 0; |
---|
| 495 | ROTableVector<uInt> v(subt, "POLNO"); |
---|
[805] | 496 | return int(v.nelements()); |
---|
[321] | 497 | } |
---|
[805] | 498 | return 0; |
---|
[2] | 499 | } |
---|
[805] | 500 | |
---|
[845] | 501 | int Scantable::ncycle( int scanno ) const |
---|
[206] | 502 | { |
---|
[805] | 503 | if ( scanno < 0 ) { |
---|
[837] | 504 | Block<String> cols(2); |
---|
| 505 | cols[0] = "SCANNO"; |
---|
| 506 | cols[1] = "CYCLENO"; |
---|
| 507 | TableIterator it(table_, cols); |
---|
| 508 | int n = 0; |
---|
| 509 | while ( !it.pastEnd() ) { |
---|
| 510 | ++n; |
---|
[902] | 511 | ++it; |
---|
[837] | 512 | } |
---|
| 513 | return n; |
---|
[805] | 514 | } else { |
---|
[888] | 515 | Table t = table_(table_.col("SCANNO") == scanno); |
---|
| 516 | ROTableRow row(t); |
---|
| 517 | const TableRecord& rec = row.get(0); |
---|
| 518 | Table subt = t( t.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
| 519 | && t.col("POLNO") == Int(rec.asuInt("POLNO")) |
---|
| 520 | && t.col("IFNO") == Int(rec.asuInt("IFNO")) ); |
---|
| 521 | if ( subt.nrow() == 0 ) return 0; |
---|
| 522 | return int(subt.nrow()); |
---|
[805] | 523 | } |
---|
| 524 | return 0; |
---|
[18] | 525 | } |
---|
[455] | 526 | |
---|
| 527 | |
---|
[845] | 528 | int Scantable::nrow( int scanno ) const |
---|
[805] | 529 | { |
---|
[845] | 530 | return int(table_.nrow()); |
---|
| 531 | } |
---|
| 532 | |
---|
| 533 | int Scantable::nchan( int ifno ) const |
---|
| 534 | { |
---|
| 535 | if ( ifno < 0 ) { |
---|
[805] | 536 | Int n; |
---|
| 537 | table_.keywordSet().get("nChan",n); |
---|
| 538 | return int(n); |
---|
| 539 | } else { |
---|
[1603] | 540 | // take the first SCANNO,POLNO,BEAMNO,CYCLENO as nbeam shouldn't |
---|
| 541 | // vary with these |
---|
[888] | 542 | Table t = table_(table_.col("IFNO") == ifno); |
---|
| 543 | if ( t.nrow() == 0 ) return 0; |
---|
| 544 | ROArrayColumn<Float> v(t, "SPECTRA"); |
---|
[923] | 545 | return v.shape(0)(0); |
---|
[805] | 546 | } |
---|
| 547 | return 0; |
---|
[18] | 548 | } |
---|
[455] | 549 | |
---|
[1111] | 550 | int Scantable::nscan() const { |
---|
| 551 | Vector<uInt> scannos(scanCol_.getColumn()); |
---|
[1148] | 552 | uInt nout = genSort( scannos, Sort::Ascending, |
---|
[1111] | 553 | Sort::QuickSort|Sort::NoDuplicates ); |
---|
| 554 | return int(nout); |
---|
| 555 | } |
---|
| 556 | |
---|
[923] | 557 | int Scantable::getChannels(int whichrow) const |
---|
| 558 | { |
---|
| 559 | return specCol_.shape(whichrow)(0); |
---|
| 560 | } |
---|
[847] | 561 | |
---|
| 562 | int Scantable::getBeam(int whichrow) const |
---|
| 563 | { |
---|
| 564 | return beamCol_(whichrow); |
---|
| 565 | } |
---|
| 566 | |
---|
[1111] | 567 | std::vector<uint> Scantable::getNumbers(ScalarColumn<uInt>& col) |
---|
| 568 | { |
---|
| 569 | Vector<uInt> nos(col.getColumn()); |
---|
[1148] | 570 | uInt n = genSort( nos, Sort::Ascending, Sort::QuickSort|Sort::NoDuplicates ); |
---|
| 571 | nos.resize(n, True); |
---|
[1111] | 572 | std::vector<uint> stlout; |
---|
| 573 | nos.tovector(stlout); |
---|
| 574 | return stlout; |
---|
| 575 | } |
---|
| 576 | |
---|
[847] | 577 | int Scantable::getIF(int whichrow) const |
---|
| 578 | { |
---|
| 579 | return ifCol_(whichrow); |
---|
| 580 | } |
---|
| 581 | |
---|
| 582 | int Scantable::getPol(int whichrow) const |
---|
| 583 | { |
---|
| 584 | return polCol_(whichrow); |
---|
| 585 | } |
---|
| 586 | |
---|
[805] | 587 | std::string Scantable::formatTime(const MEpoch& me, bool showdate) const |
---|
| 588 | { |
---|
| 589 | MVTime mvt(me.getValue()); |
---|
| 590 | if (showdate) |
---|
| 591 | mvt.setFormat(MVTime::YMD); |
---|
| 592 | else |
---|
| 593 | mvt.setFormat(MVTime::TIME); |
---|
| 594 | ostringstream oss; |
---|
| 595 | oss << mvt; |
---|
| 596 | return String(oss); |
---|
| 597 | } |
---|
[488] | 598 | |
---|
[805] | 599 | void Scantable::calculateAZEL() |
---|
| 600 | { |
---|
| 601 | MPosition mp = getAntennaPosition(); |
---|
| 602 | MEpoch::ROScalarColumn timeCol(table_, "TIME"); |
---|
| 603 | ostringstream oss; |
---|
| 604 | oss << "Computed azimuth/elevation using " << endl |
---|
| 605 | << mp << endl; |
---|
[996] | 606 | for (Int i=0; i<nrow(); ++i) { |
---|
[805] | 607 | MEpoch me = timeCol(i); |
---|
[987] | 608 | MDirection md = getDirection(i); |
---|
[805] | 609 | oss << " Time: " << formatTime(me,False) << " Direction: " << formatDirection(md) |
---|
| 610 | << endl << " => "; |
---|
| 611 | MeasFrame frame(mp, me); |
---|
| 612 | Vector<Double> azel = |
---|
| 613 | MDirection::Convert(md, MDirection::Ref(MDirection::AZEL, |
---|
| 614 | frame) |
---|
| 615 | )().getAngle("rad").getValue(); |
---|
[923] | 616 | azCol_.put(i,Float(azel[0])); |
---|
| 617 | elCol_.put(i,Float(azel[1])); |
---|
[805] | 618 | oss << "azel: " << azel[0]/C::pi*180.0 << " " |
---|
| 619 | << azel[1]/C::pi*180.0 << " (deg)" << endl; |
---|
[16] | 620 | } |
---|
[805] | 621 | pushLog(String(oss)); |
---|
| 622 | } |
---|
[89] | 623 | |
---|
[1400] | 624 | void Scantable::flag(const std::vector<bool>& msk, bool unflag) |
---|
[865] | 625 | { |
---|
[1333] | 626 | std::vector<bool>::const_iterator it; |
---|
| 627 | uInt ntrue = 0; |
---|
| 628 | for (it = msk.begin(); it != msk.end(); ++it) { |
---|
| 629 | if ( *it ) { |
---|
| 630 | ntrue++; |
---|
| 631 | } |
---|
| 632 | } |
---|
| 633 | if ( selector_.empty() && (msk.size() == 0 || msk.size() == ntrue) ) |
---|
[1000] | 634 | throw(AipsError("Trying to flag whole scantable.")); |
---|
| 635 | if ( msk.size() == 0 ) { |
---|
| 636 | uChar userflag = 1 << 7; |
---|
[1400] | 637 | if ( unflag ) { |
---|
| 638 | userflag = 0 << 7; |
---|
| 639 | } |
---|
[1000] | 640 | for ( uInt i=0; i<table_.nrow(); ++i) { |
---|
| 641 | Vector<uChar> flgs = flagsCol_(i); |
---|
| 642 | flgs = userflag; |
---|
| 643 | flagsCol_.put(i, flgs); |
---|
| 644 | } |
---|
| 645 | return; |
---|
| 646 | } |
---|
| 647 | if ( int(msk.size()) != nchan() ) { |
---|
| 648 | throw(AipsError("Mask has incorrect number of channels.")); |
---|
| 649 | } |
---|
| 650 | for ( uInt i=0; i<table_.nrow(); ++i) { |
---|
| 651 | Vector<uChar> flgs = flagsCol_(i); |
---|
| 652 | if ( flgs.nelements() != msk.size() ) { |
---|
| 653 | throw(AipsError("Mask has incorrect number of channels." |
---|
| 654 | " Probably varying with IF. Please flag per IF")); |
---|
| 655 | } |
---|
| 656 | std::vector<bool>::const_iterator it; |
---|
| 657 | uInt j = 0; |
---|
| 658 | uChar userflag = 1 << 7; |
---|
[1400] | 659 | if ( unflag ) { |
---|
| 660 | userflag = 0 << 7; |
---|
| 661 | } |
---|
[1000] | 662 | for (it = msk.begin(); it != msk.end(); ++it) { |
---|
| 663 | if ( *it ) { |
---|
| 664 | flgs(j) = userflag; |
---|
| 665 | } |
---|
| 666 | ++j; |
---|
| 667 | } |
---|
| 668 | flagsCol_.put(i, flgs); |
---|
| 669 | } |
---|
[865] | 670 | } |
---|
| 671 | |
---|
[805] | 672 | std::vector<bool> Scantable::getMask(int whichrow) const |
---|
| 673 | { |
---|
| 674 | Vector<uChar> flags; |
---|
| 675 | flagsCol_.get(uInt(whichrow), flags); |
---|
| 676 | Vector<Bool> bflag(flags.shape()); |
---|
| 677 | convertArray(bflag, flags); |
---|
| 678 | bflag = !bflag; |
---|
| 679 | std::vector<bool> mask; |
---|
| 680 | bflag.tovector(mask); |
---|
| 681 | return mask; |
---|
| 682 | } |
---|
[89] | 683 | |
---|
[896] | 684 | std::vector<float> Scantable::getSpectrum( int whichrow, |
---|
[902] | 685 | const std::string& poltype ) const |
---|
[805] | 686 | { |
---|
[905] | 687 | String ptype = poltype; |
---|
| 688 | if (poltype == "" ) ptype = getPolType(); |
---|
[902] | 689 | if ( whichrow < 0 || whichrow >= nrow() ) |
---|
| 690 | throw(AipsError("Illegal row number.")); |
---|
[896] | 691 | std::vector<float> out; |
---|
[805] | 692 | Vector<Float> arr; |
---|
[896] | 693 | uInt requestedpol = polCol_(whichrow); |
---|
| 694 | String basetype = getPolType(); |
---|
[905] | 695 | if ( ptype == basetype ) { |
---|
[896] | 696 | specCol_.get(whichrow, arr); |
---|
| 697 | } else { |
---|
[1334] | 698 | CountedPtr<STPol> stpol(STPol::getPolClass(Scantable::factories_, basetype)); |
---|
| 699 | uInt row = uInt(whichrow); |
---|
| 700 | stpol->setSpectra(getPolMatrix(row)); |
---|
| 701 | Float fang,fhand,parang; |
---|
| 702 | fang = focusTable_.getTotalFeedAngle(mfocusidCol_(row)); |
---|
| 703 | fhand = focusTable_.getFeedHand(mfocusidCol_(row)); |
---|
| 704 | parang = paraCol_(row); |
---|
| 705 | /// @todo re-enable this |
---|
| 706 | // disable total feed angle to support paralactifying Caswell style |
---|
| 707 | stpol->setPhaseCorrections(parang, -parang, fhand); |
---|
| 708 | arr = stpol->getSpectrum(requestedpol, ptype); |
---|
[896] | 709 | } |
---|
[902] | 710 | if ( arr.nelements() == 0 ) |
---|
| 711 | pushLog("Not enough polarisations present to do the conversion."); |
---|
[805] | 712 | arr.tovector(out); |
---|
| 713 | return out; |
---|
[89] | 714 | } |
---|
[212] | 715 | |
---|
[1360] | 716 | void Scantable::setSpectrum( const std::vector<float>& spec, |
---|
[884] | 717 | int whichrow ) |
---|
| 718 | { |
---|
| 719 | Vector<Float> spectrum(spec); |
---|
| 720 | Vector<Float> arr; |
---|
| 721 | specCol_.get(whichrow, arr); |
---|
| 722 | if ( spectrum.nelements() != arr.nelements() ) |
---|
[896] | 723 | throw AipsError("The spectrum has incorrect number of channels."); |
---|
[884] | 724 | specCol_.put(whichrow, spectrum); |
---|
| 725 | } |
---|
| 726 | |
---|
| 727 | |
---|
[805] | 728 | String Scantable::generateName() |
---|
[745] | 729 | { |
---|
[805] | 730 | return (File::newUniqueName("./","temp")).baseName(); |
---|
[212] | 731 | } |
---|
| 732 | |
---|
[805] | 733 | const casa::Table& Scantable::table( ) const |
---|
[212] | 734 | { |
---|
[805] | 735 | return table_; |
---|
[212] | 736 | } |
---|
| 737 | |
---|
[805] | 738 | casa::Table& Scantable::table( ) |
---|
[386] | 739 | { |
---|
[805] | 740 | return table_; |
---|
[386] | 741 | } |
---|
| 742 | |
---|
[896] | 743 | std::string Scantable::getPolType() const |
---|
| 744 | { |
---|
| 745 | return table_.keywordSet().asString("POLTYPE"); |
---|
| 746 | } |
---|
| 747 | |
---|
[805] | 748 | void Scantable::unsetSelection() |
---|
[380] | 749 | { |
---|
[805] | 750 | table_ = originalTable_; |
---|
[847] | 751 | attach(); |
---|
[805] | 752 | selector_.reset(); |
---|
[380] | 753 | } |
---|
[386] | 754 | |
---|
[805] | 755 | void Scantable::setSelection( const STSelector& selection ) |
---|
[430] | 756 | { |
---|
[805] | 757 | Table tab = const_cast<STSelector&>(selection).apply(originalTable_); |
---|
| 758 | if ( tab.nrow() == 0 ) { |
---|
| 759 | throw(AipsError("Selection contains no data. Not applying it.")); |
---|
| 760 | } |
---|
| 761 | table_ = tab; |
---|
[847] | 762 | attach(); |
---|
[805] | 763 | selector_ = selection; |
---|
[430] | 764 | } |
---|
| 765 | |
---|
[837] | 766 | std::string Scantable::summary( bool verbose ) |
---|
[447] | 767 | { |
---|
[805] | 768 | // Format header info |
---|
| 769 | ostringstream oss; |
---|
| 770 | oss << endl; |
---|
| 771 | oss << asap::SEPERATOR << endl; |
---|
| 772 | oss << " Scan Table Summary" << endl; |
---|
| 773 | oss << asap::SEPERATOR << endl; |
---|
| 774 | oss.flags(std::ios_base::left); |
---|
| 775 | oss << setw(15) << "Beams:" << setw(4) << nbeam() << endl |
---|
| 776 | << setw(15) << "IFs:" << setw(4) << nif() << endl |
---|
[896] | 777 | << setw(15) << "Polarisations:" << setw(4) << npol() |
---|
| 778 | << "(" << getPolType() << ")" << endl |
---|
[805] | 779 | << setw(15) << "Channels:" << setw(4) << nchan() << endl; |
---|
| 780 | oss << endl; |
---|
| 781 | String tmp; |
---|
[860] | 782 | oss << setw(15) << "Observer:" |
---|
| 783 | << table_.keywordSet().asString("Observer") << endl; |
---|
[805] | 784 | oss << setw(15) << "Obs Date:" << getTime(-1,true) << endl; |
---|
| 785 | table_.keywordSet().get("Project", tmp); |
---|
| 786 | oss << setw(15) << "Project:" << tmp << endl; |
---|
| 787 | table_.keywordSet().get("Obstype", tmp); |
---|
| 788 | oss << setw(15) << "Obs. Type:" << tmp << endl; |
---|
| 789 | table_.keywordSet().get("AntennaName", tmp); |
---|
| 790 | oss << setw(15) << "Antenna Name:" << tmp << endl; |
---|
| 791 | table_.keywordSet().get("FluxUnit", tmp); |
---|
| 792 | oss << setw(15) << "Flux Unit:" << tmp << endl; |
---|
[1446] | 793 | //Vector<Double> vec(moleculeTable_.getRestFrequencies()); |
---|
| 794 | int nid = moleculeTable_.nrow(); |
---|
| 795 | Bool firstline = True; |
---|
[805] | 796 | oss << setw(15) << "Rest Freqs:"; |
---|
[1446] | 797 | for (int i=0; i<nid; i++) { |
---|
| 798 | Table t = table_(table_.col("MOLECULE_ID") == i); |
---|
| 799 | if (t.nrow() > 0) { |
---|
| 800 | Vector<Double> vec(moleculeTable_.getRestFrequency(i)); |
---|
| 801 | if (vec.nelements() > 0) { |
---|
| 802 | if (firstline) { |
---|
| 803 | oss << setprecision(10) << vec << " [Hz]" << endl; |
---|
| 804 | firstline=False; |
---|
| 805 | } |
---|
| 806 | else{ |
---|
| 807 | oss << setw(15)<<" " << setprecision(10) << vec << " [Hz]" << endl; |
---|
| 808 | } |
---|
| 809 | } else { |
---|
| 810 | oss << "none" << endl; |
---|
| 811 | } |
---|
| 812 | } |
---|
[805] | 813 | } |
---|
[941] | 814 | |
---|
| 815 | oss << setw(15) << "Abcissa:" << getAbcissaLabel(0) << endl; |
---|
[805] | 816 | oss << selector_.print() << endl; |
---|
| 817 | oss << endl; |
---|
| 818 | // main table |
---|
| 819 | String dirtype = "Position (" |
---|
[987] | 820 | + getDirectionRefString() |
---|
[805] | 821 | + ")"; |
---|
[941] | 822 | oss << setw(5) << "Scan" << setw(15) << "Source" |
---|
| 823 | << setw(10) << "Time" << setw(18) << "Integration" << endl; |
---|
| 824 | oss << setw(5) << "" << setw(5) << "Beam" << setw(3) << "" << dirtype << endl; |
---|
| 825 | oss << setw(10) << "" << setw(3) << "IF" << setw(6) << "" |
---|
[805] | 826 | << setw(8) << "Frame" << setw(16) |
---|
| 827 | << "RefVal" << setw(10) << "RefPix" << setw(12) << "Increment" <<endl; |
---|
| 828 | oss << asap::SEPERATOR << endl; |
---|
| 829 | TableIterator iter(table_, "SCANNO"); |
---|
| 830 | while (!iter.pastEnd()) { |
---|
| 831 | Table subt = iter.table(); |
---|
| 832 | ROTableRow row(subt); |
---|
| 833 | MEpoch::ROScalarColumn timeCol(subt,"TIME"); |
---|
| 834 | const TableRecord& rec = row.get(0); |
---|
| 835 | oss << setw(4) << std::right << rec.asuInt("SCANNO") |
---|
| 836 | << std::left << setw(1) << "" |
---|
| 837 | << setw(15) << rec.asString("SRCNAME") |
---|
| 838 | << setw(10) << formatTime(timeCol(0), false); |
---|
| 839 | // count the cycles in the scan |
---|
| 840 | TableIterator cyciter(subt, "CYCLENO"); |
---|
| 841 | int nint = 0; |
---|
| 842 | while (!cyciter.pastEnd()) { |
---|
| 843 | ++nint; |
---|
| 844 | ++cyciter; |
---|
| 845 | } |
---|
| 846 | oss << setw(3) << std::right << nint << setw(3) << " x " << std::left |
---|
| 847 | << setw(6) << formatSec(rec.asFloat("INTERVAL")) << endl; |
---|
[447] | 848 | |
---|
[805] | 849 | TableIterator biter(subt, "BEAMNO"); |
---|
| 850 | while (!biter.pastEnd()) { |
---|
| 851 | Table bsubt = biter.table(); |
---|
| 852 | ROTableRow brow(bsubt); |
---|
| 853 | const TableRecord& brec = brow.get(0); |
---|
[1000] | 854 | uInt row0 = bsubt.rowNumbers(table_)[0]; |
---|
[941] | 855 | oss << setw(5) << "" << setw(4) << std::right << brec.asuInt("BEAMNO")<< std::left; |
---|
[987] | 856 | oss << setw(4) << "" << formatDirection(getDirection(row0)) << endl; |
---|
[805] | 857 | TableIterator iiter(bsubt, "IFNO"); |
---|
| 858 | while (!iiter.pastEnd()) { |
---|
| 859 | Table isubt = iiter.table(); |
---|
| 860 | ROTableRow irow(isubt); |
---|
| 861 | const TableRecord& irec = irow.get(0); |
---|
[941] | 862 | oss << setw(10) << ""; |
---|
| 863 | oss << setw(3) << std::right << irec.asuInt("IFNO") << std::left |
---|
[1451] | 864 | << setw(2) << "" << frequencies().print(irec.asuInt("FREQ_ID")) |
---|
| 865 | << endl; |
---|
[447] | 866 | |
---|
[805] | 867 | ++iiter; |
---|
| 868 | } |
---|
| 869 | ++biter; |
---|
| 870 | } |
---|
| 871 | ++iter; |
---|
[447] | 872 | } |
---|
[805] | 873 | /// @todo implement verbose mode |
---|
| 874 | return String(oss); |
---|
[447] | 875 | } |
---|
| 876 | |
---|
[805] | 877 | std::string Scantable::getTime(int whichrow, bool showdate) const |
---|
[777] | 878 | { |
---|
[805] | 879 | MEpoch::ROScalarColumn timeCol(table_, "TIME"); |
---|
| 880 | MEpoch me; |
---|
| 881 | if (whichrow > -1) { |
---|
| 882 | me = timeCol(uInt(whichrow)); |
---|
| 883 | } else { |
---|
| 884 | Double tm; |
---|
| 885 | table_.keywordSet().get("UTC",tm); |
---|
| 886 | me = MEpoch(MVEpoch(tm)); |
---|
[777] | 887 | } |
---|
[805] | 888 | return formatTime(me, showdate); |
---|
[777] | 889 | } |
---|
[805] | 890 | |
---|
[1603] | 891 | MEpoch Scantable::getEpoch(int whichrow) const |
---|
| 892 | { |
---|
| 893 | if (whichrow > -1) { |
---|
| 894 | return timeCol_(uInt(whichrow)); |
---|
| 895 | } else { |
---|
| 896 | Double tm; |
---|
| 897 | table_.keywordSet().get("UTC",tm); |
---|
| 898 | return MEpoch(MVEpoch(tm)); |
---|
| 899 | } |
---|
| 900 | } |
---|
| 901 | |
---|
[1068] | 902 | std::string Scantable::getDirectionString(int whichrow) const |
---|
| 903 | { |
---|
| 904 | return formatDirection(getDirection(uInt(whichrow))); |
---|
| 905 | } |
---|
| 906 | |
---|
[1360] | 907 | std::vector< double > Scantable::getAbcissa( int whichrow ) const |
---|
[865] | 908 | { |
---|
[1603] | 909 | if ( whichrow > int(table_.nrow()) ) throw(AipsError("Illegal row number")); |
---|
[865] | 910 | std::vector<double> stlout; |
---|
| 911 | int nchan = specCol_(whichrow).nelements(); |
---|
| 912 | String us = freqTable_.getUnitString(); |
---|
| 913 | if ( us == "" || us == "pixel" || us == "channel" ) { |
---|
| 914 | for (int i=0; i<nchan; ++i) { |
---|
| 915 | stlout.push_back(double(i)); |
---|
| 916 | } |
---|
| 917 | return stlout; |
---|
| 918 | } |
---|
| 919 | |
---|
| 920 | const MPosition& mp = getAntennaPosition(); |
---|
[987] | 921 | const MDirection& md = getDirection(whichrow); |
---|
[865] | 922 | const MEpoch& me = timeCol_(whichrow); |
---|
[1446] | 923 | //Double rf = moleculeTable_.getRestFrequency(mmolidCol_(whichrow)); |
---|
| 924 | Vector<Double> rf = moleculeTable_.getRestFrequency(mmolidCol_(whichrow)); |
---|
[865] | 925 | SpectralCoordinate spc = |
---|
| 926 | freqTable_.getSpectralCoordinate(md, mp, me, rf, mfreqidCol_(whichrow)); |
---|
| 927 | Vector<Double> pixel(nchan); |
---|
| 928 | Vector<Double> world; |
---|
| 929 | indgen(pixel); |
---|
| 930 | if ( Unit(us) == Unit("Hz") ) { |
---|
| 931 | for ( int i=0; i < nchan; ++i) { |
---|
| 932 | Double world; |
---|
| 933 | spc.toWorld(world, pixel[i]); |
---|
| 934 | stlout.push_back(double(world)); |
---|
| 935 | } |
---|
| 936 | } else if ( Unit(us) == Unit("km/s") ) { |
---|
| 937 | Vector<Double> world; |
---|
| 938 | spc.pixelToVelocity(world, pixel); |
---|
| 939 | world.tovector(stlout); |
---|
| 940 | } |
---|
| 941 | return stlout; |
---|
| 942 | } |
---|
[1360] | 943 | void Scantable::setDirectionRefString( const std::string & refstr ) |
---|
[987] | 944 | { |
---|
| 945 | MDirection::Types mdt; |
---|
| 946 | if (refstr != "" && !MDirection::getType(mdt, refstr)) { |
---|
| 947 | throw(AipsError("Illegal Direction frame.")); |
---|
| 948 | } |
---|
| 949 | if ( refstr == "" ) { |
---|
| 950 | String defaultstr = MDirection::showType(dirCol_.getMeasRef().getType()); |
---|
| 951 | table_.rwKeywordSet().define("DIRECTIONREF", defaultstr); |
---|
| 952 | } else { |
---|
| 953 | table_.rwKeywordSet().define("DIRECTIONREF", String(refstr)); |
---|
| 954 | } |
---|
| 955 | } |
---|
[865] | 956 | |
---|
[1360] | 957 | std::string Scantable::getDirectionRefString( ) const |
---|
[987] | 958 | { |
---|
| 959 | return table_.keywordSet().asString("DIRECTIONREF"); |
---|
| 960 | } |
---|
| 961 | |
---|
| 962 | MDirection Scantable::getDirection(int whichrow ) const |
---|
| 963 | { |
---|
| 964 | String usertype = table_.keywordSet().asString("DIRECTIONREF"); |
---|
| 965 | String type = MDirection::showType(dirCol_.getMeasRef().getType()); |
---|
| 966 | if ( usertype != type ) { |
---|
| 967 | MDirection::Types mdt; |
---|
| 968 | if (!MDirection::getType(mdt, usertype)) { |
---|
| 969 | throw(AipsError("Illegal Direction frame.")); |
---|
| 970 | } |
---|
| 971 | return dirCol_.convert(uInt(whichrow), mdt); |
---|
| 972 | } else { |
---|
| 973 | return dirCol_(uInt(whichrow)); |
---|
| 974 | } |
---|
| 975 | } |
---|
| 976 | |
---|
[847] | 977 | std::string Scantable::getAbcissaLabel( int whichrow ) const |
---|
| 978 | { |
---|
[996] | 979 | if ( whichrow > int(table_.nrow()) ) throw(AipsError("Illegal ro number")); |
---|
[847] | 980 | const MPosition& mp = getAntennaPosition(); |
---|
[987] | 981 | const MDirection& md = getDirection(whichrow); |
---|
[847] | 982 | const MEpoch& me = timeCol_(whichrow); |
---|
[1446] | 983 | //const Double& rf = mmolidCol_(whichrow); |
---|
| 984 | const Vector<Double> rf = moleculeTable_.getRestFrequency(mmolidCol_(whichrow)); |
---|
[847] | 985 | SpectralCoordinate spc = |
---|
| 986 | freqTable_.getSpectralCoordinate(md, mp, me, rf, mfreqidCol_(whichrow)); |
---|
| 987 | |
---|
| 988 | String s = "Channel"; |
---|
| 989 | Unit u = Unit(freqTable_.getUnitString()); |
---|
| 990 | if (u == Unit("km/s")) { |
---|
[1170] | 991 | s = CoordinateUtil::axisLabel(spc, 0, True,True, True); |
---|
[847] | 992 | } else if (u == Unit("Hz")) { |
---|
| 993 | Vector<String> wau(1);wau = u.getName(); |
---|
| 994 | spc.setWorldAxisUnits(wau); |
---|
[1170] | 995 | s = CoordinateUtil::axisLabel(spc, 0, True, True, False); |
---|
[847] | 996 | } |
---|
| 997 | return s; |
---|
| 998 | |
---|
| 999 | } |
---|
| 1000 | |
---|
[1446] | 1001 | /** |
---|
| 1002 | void asap::Scantable::setRestFrequencies( double rf, const std::string& name, |
---|
[1170] | 1003 | const std::string& unit ) |
---|
[1446] | 1004 | **/ |
---|
| 1005 | void Scantable::setRestFrequencies( vector<double> rf, const vector<std::string>& name, |
---|
| 1006 | const std::string& unit ) |
---|
| 1007 | |
---|
[847] | 1008 | { |
---|
[923] | 1009 | ///@todo lookup in line table to fill in name and formattedname |
---|
[847] | 1010 | Unit u(unit); |
---|
[1446] | 1011 | //Quantum<Double> urf(rf, u); |
---|
| 1012 | Quantum<Vector<Double> >urf(rf, u); |
---|
| 1013 | Vector<String> formattedname(0); |
---|
| 1014 | //cerr<<"Scantable::setRestFrequnecies="<<urf<<endl; |
---|
| 1015 | |
---|
| 1016 | //uInt id = moleculeTable_.addEntry(urf.getValue("Hz"), name, ""); |
---|
| 1017 | uInt id = moleculeTable_.addEntry(urf.getValue("Hz"), mathutil::toVectorString(name), formattedname); |
---|
[847] | 1018 | TableVector<uInt> tabvec(table_, "MOLECULE_ID"); |
---|
| 1019 | tabvec = id; |
---|
| 1020 | } |
---|
| 1021 | |
---|
[1446] | 1022 | /** |
---|
| 1023 | void asap::Scantable::setRestFrequencies( const std::string& name ) |
---|
[847] | 1024 | { |
---|
| 1025 | throw(AipsError("setRestFrequencies( const std::string& name ) NYI")); |
---|
| 1026 | ///@todo implement |
---|
| 1027 | } |
---|
[1446] | 1028 | **/ |
---|
| 1029 | void Scantable::setRestFrequencies( const vector<std::string>& name ) |
---|
| 1030 | { |
---|
| 1031 | throw(AipsError("setRestFrequencies( const vector<std::string>& name ) NYI")); |
---|
| 1032 | ///@todo implement |
---|
| 1033 | } |
---|
[847] | 1034 | |
---|
[1360] | 1035 | std::vector< unsigned int > Scantable::rownumbers( ) const |
---|
[852] | 1036 | { |
---|
| 1037 | std::vector<unsigned int> stlout; |
---|
| 1038 | Vector<uInt> vec = table_.rowNumbers(); |
---|
| 1039 | vec.tovector(stlout); |
---|
| 1040 | return stlout; |
---|
| 1041 | } |
---|
| 1042 | |
---|
[865] | 1043 | |
---|
[1360] | 1044 | Matrix<Float> Scantable::getPolMatrix( uInt whichrow ) const |
---|
[896] | 1045 | { |
---|
| 1046 | ROTableRow row(table_); |
---|
| 1047 | const TableRecord& rec = row.get(whichrow); |
---|
| 1048 | Table t = |
---|
| 1049 | originalTable_( originalTable_.col("SCANNO") == Int(rec.asuInt("SCANNO")) |
---|
| 1050 | && originalTable_.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
| 1051 | && originalTable_.col("IFNO") == Int(rec.asuInt("IFNO")) |
---|
| 1052 | && originalTable_.col("CYCLENO") == Int(rec.asuInt("CYCLENO")) ); |
---|
| 1053 | ROArrayColumn<Float> speccol(t, "SPECTRA"); |
---|
| 1054 | return speccol.getColumn(); |
---|
| 1055 | } |
---|
[865] | 1056 | |
---|
[1360] | 1057 | std::vector< std::string > Scantable::columnNames( ) const |
---|
[902] | 1058 | { |
---|
| 1059 | Vector<String> vec = table_.tableDesc().columnNames(); |
---|
| 1060 | return mathutil::tovectorstring(vec); |
---|
| 1061 | } |
---|
[896] | 1062 | |
---|
[1360] | 1063 | MEpoch::Types Scantable::getTimeReference( ) const |
---|
[915] | 1064 | { |
---|
| 1065 | return MEpoch::castType(timeCol_.getMeasRef().getType()); |
---|
[972] | 1066 | } |
---|
[915] | 1067 | |
---|
[1360] | 1068 | void Scantable::addFit( const STFitEntry& fit, int row ) |
---|
[972] | 1069 | { |
---|
[1616] | 1070 | //cout << mfitidCol_(uInt(row)) << endl; |
---|
| 1071 | LogIO os( LogOrigin( "Scantable", "addFit()", WHERE ) ) ; |
---|
| 1072 | os << mfitidCol_(uInt(row)) << LogIO::POST ; |
---|
[972] | 1073 | uInt id = fitTable_.addEntry(fit, mfitidCol_(uInt(row))); |
---|
| 1074 | mfitidCol_.put(uInt(row), id); |
---|
| 1075 | } |
---|
[915] | 1076 | |
---|
[1360] | 1077 | void Scantable::shift(int npix) |
---|
| 1078 | { |
---|
| 1079 | Vector<uInt> fids(mfreqidCol_.getColumn()); |
---|
| 1080 | genSort( fids, Sort::Ascending, |
---|
| 1081 | Sort::QuickSort|Sort::NoDuplicates ); |
---|
| 1082 | for (uInt i=0; i<fids.nelements(); ++i) { |
---|
| 1083 | frequencies().shiftRefPix(npix, i); |
---|
| 1084 | } |
---|
| 1085 | } |
---|
[987] | 1086 | |
---|
[1387] | 1087 | std::string asap::Scantable::getAntennaName() const |
---|
| 1088 | { |
---|
| 1089 | String out; |
---|
| 1090 | table_.keywordSet().get("AntennaName", out); |
---|
| 1091 | return out; |
---|
[987] | 1092 | } |
---|
[1387] | 1093 | |
---|
| 1094 | int asap::Scantable::checkScanInfo(const std::vector<int>& scanlist) const |
---|
| 1095 | { |
---|
| 1096 | String tbpath; |
---|
| 1097 | int ret = 0; |
---|
| 1098 | if ( table_.keywordSet().isDefined("GBT_GO") ) { |
---|
| 1099 | table_.keywordSet().get("GBT_GO", tbpath); |
---|
| 1100 | Table t(tbpath,Table::Old); |
---|
| 1101 | // check each scan if other scan of the pair exist |
---|
| 1102 | int nscan = scanlist.size(); |
---|
| 1103 | for (int i = 0; i < nscan; i++) { |
---|
| 1104 | Table subt = t( t.col("SCAN") == scanlist[i]+1 ); |
---|
| 1105 | if (subt.nrow()==0) { |
---|
[1616] | 1106 | //cerr <<"Scan "<<scanlist[i]<<" cannot be found in the scantable."<<endl; |
---|
| 1107 | LogIO os( LogOrigin( "Scantable", "checkScanInfo()", WHERE ) ) ; |
---|
| 1108 | os <<LogIO::WARN<<"Scan "<<scanlist[i]<<" cannot be found in the scantable."<<LogIO::POST; |
---|
[1387] | 1109 | ret = 1; |
---|
| 1110 | break; |
---|
| 1111 | } |
---|
| 1112 | ROTableRow row(subt); |
---|
| 1113 | const TableRecord& rec = row.get(0); |
---|
| 1114 | int scan1seqn = rec.asuInt("PROCSEQN"); |
---|
| 1115 | int laston1 = rec.asuInt("LASTON"); |
---|
| 1116 | if ( rec.asuInt("PROCSIZE")==2 ) { |
---|
| 1117 | if ( i < nscan-1 ) { |
---|
| 1118 | Table subt2 = t( t.col("SCAN") == scanlist[i+1]+1 ); |
---|
| 1119 | if ( subt2.nrow() == 0) { |
---|
[1616] | 1120 | LogIO os( LogOrigin( "Scantable", "checkScanInfo()", WHERE ) ) ; |
---|
| 1121 | |
---|
| 1122 | //cerr<<"Scan "<<scanlist[i+1]<<" cannot be found in the scantable."<<endl; |
---|
| 1123 | os<<LogIO::WARN<<"Scan "<<scanlist[i+1]<<" cannot be found in the scantable."<<LogIO::POST; |
---|
[1387] | 1124 | ret = 1; |
---|
| 1125 | break; |
---|
| 1126 | } |
---|
| 1127 | ROTableRow row2(subt2); |
---|
| 1128 | const TableRecord& rec2 = row2.get(0); |
---|
| 1129 | int scan2seqn = rec2.asuInt("PROCSEQN"); |
---|
| 1130 | int laston2 = rec2.asuInt("LASTON"); |
---|
| 1131 | if (scan1seqn == 1 && scan2seqn == 2) { |
---|
| 1132 | if (laston1 == laston2) { |
---|
[1616] | 1133 | LogIO os( LogOrigin( "Scantable", "checkScanInfo()", WHERE ) ) ; |
---|
| 1134 | //cerr<<"A valid scan pair ["<<scanlist[i]<<","<<scanlist[i+1]<<"]"<<endl; |
---|
| 1135 | os<<"A valid scan pair ["<<scanlist[i]<<","<<scanlist[i+1]<<"]"<<LogIO::POST; |
---|
[1387] | 1136 | i +=1; |
---|
| 1137 | } |
---|
| 1138 | else { |
---|
[1616] | 1139 | LogIO os( LogOrigin( "Scantable", "checkScanInfo()", WHERE ) ) ; |
---|
| 1140 | //cerr<<"Incorrect scan pair ["<<scanlist[i]<<","<<scanlist[i+1]<<"]"<<endl; |
---|
| 1141 | os<<LogIO::WARN<<"Incorrect scan pair ["<<scanlist[i]<<","<<scanlist[i+1]<<"]"<<LogIO::POST; |
---|
[1387] | 1142 | } |
---|
| 1143 | } |
---|
| 1144 | else if (scan1seqn==2 && scan2seqn == 1) { |
---|
| 1145 | if (laston1 == laston2) { |
---|
[1616] | 1146 | LogIO os( LogOrigin( "Scantable", "checkScanInfo()", WHERE ) ) ; |
---|
| 1147 | //cerr<<"["<<scanlist[i]<<","<<scanlist[i+1]<<"] is a valid scan pair but in incorrect order."<<endl; |
---|
| 1148 | os<<LogIO::WARN<<"["<<scanlist[i]<<","<<scanlist[i+1]<<"] is a valid scan pair but in incorrect order."<<LogIO::POST; |
---|
[1387] | 1149 | ret = 1; |
---|
| 1150 | break; |
---|
| 1151 | } |
---|
| 1152 | } |
---|
| 1153 | else { |
---|
[1616] | 1154 | LogIO os( LogOrigin( "Scantable", "checkScanInfo()", WHERE ) ) ; |
---|
| 1155 | //cerr<<"The other scan for "<<scanlist[i]<<" appears to be missing. Check the input scan numbers."<<endl; |
---|
| 1156 | os<<LogIO::WARN<<"The other scan for "<<scanlist[i]<<" appears to be missing. Check the input scan numbers."<<LogIO::POST; |
---|
[1387] | 1157 | ret = 1; |
---|
| 1158 | break; |
---|
| 1159 | } |
---|
| 1160 | } |
---|
| 1161 | } |
---|
| 1162 | else { |
---|
[1616] | 1163 | LogIO os( LogOrigin( "Scantable", "checkScanInfo()", WHERE ) ) ; |
---|
| 1164 | //cerr<<"The scan does not appear to be standard obsevation."<<endl; |
---|
| 1165 | os<<LogIO::WARN<<"The scan does not appear to be standard obsevation."<<LogIO::POST; |
---|
[1387] | 1166 | } |
---|
| 1167 | //if ( i >= nscan ) break; |
---|
| 1168 | } |
---|
| 1169 | } |
---|
| 1170 | else { |
---|
[1616] | 1171 | LogIO os( LogOrigin( "Scantable", "checkScanInfo()", WHERE ) ) ; |
---|
| 1172 | //cerr<<"No reference to GBT_GO table."<<endl; |
---|
| 1173 | os<<LogIO::WARN<<"No reference to GBT_GO table."<<LogIO::POST; |
---|
[1387] | 1174 | ret = 1; |
---|
| 1175 | } |
---|
| 1176 | return ret; |
---|
| 1177 | } |
---|
| 1178 | |
---|
| 1179 | std::vector<double> asap::Scantable::getDirectionVector(int whichrow) const |
---|
| 1180 | { |
---|
| 1181 | Vector<Double> Dir = dirCol_(whichrow).getAngle("rad").getValue(); |
---|
| 1182 | std::vector<double> dir; |
---|
| 1183 | Dir.tovector(dir); |
---|
| 1184 | return dir; |
---|
| 1185 | } |
---|
| 1186 | |
---|
[1446] | 1187 | void asap::Scantable::reshapeSpectrum( int nmin, int nmax ) |
---|
| 1188 | throw( casa::AipsError ) |
---|
| 1189 | { |
---|
| 1190 | // assumed that all rows have same nChan |
---|
| 1191 | Vector<Float> arr = specCol_( 0 ) ; |
---|
| 1192 | int nChan = arr.nelements() ; |
---|
| 1193 | |
---|
| 1194 | // if nmin < 0 or nmax < 0, nothing to do |
---|
| 1195 | if ( nmin < 0 ) { |
---|
| 1196 | throw( casa::indexError<int>( nmin, "asap::Scantable::reshapeSpectrum: Invalid range. Negative index is specified." ) ) ; |
---|
| 1197 | } |
---|
| 1198 | if ( nmax < 0 ) { |
---|
| 1199 | throw( casa::indexError<int>( nmax, "asap::Scantable::reshapeSpectrum: Invalid range. Negative index is specified." ) ) ; |
---|
| 1200 | } |
---|
| 1201 | |
---|
| 1202 | // if nmin > nmax, exchange values |
---|
| 1203 | if ( nmin > nmax ) { |
---|
| 1204 | int tmp = nmax ; |
---|
| 1205 | nmax = nmin ; |
---|
| 1206 | nmin = tmp ; |
---|
[1616] | 1207 | LogIO os( LogOrigin( "Scantable", "reshapeSpectrum()", WHERE ) ) ; |
---|
| 1208 | os << "Swap values. Applied range is [" |
---|
| 1209 | << nmin << ", " << nmax << "]" << LogIO::POST ; |
---|
[1446] | 1210 | } |
---|
| 1211 | |
---|
| 1212 | // if nmin exceeds nChan, nothing to do |
---|
| 1213 | if ( nmin >= nChan ) { |
---|
| 1214 | throw( casa::indexError<int>( nmin, "asap::Scantable::reshapeSpectrum: Invalid range. Specified minimum exceeds nChan." ) ) ; |
---|
| 1215 | } |
---|
| 1216 | |
---|
| 1217 | // if nmax exceeds nChan, reset nmax to nChan |
---|
| 1218 | if ( nmax >= nChan ) { |
---|
| 1219 | if ( nmin == 0 ) { |
---|
| 1220 | // nothing to do |
---|
[1616] | 1221 | LogIO os( LogOrigin( "Scantable", "reshapeSpectrum()", WHERE ) ) ; |
---|
| 1222 | os << "Whole range is selected. Nothing to do." << LogIO::POST ; |
---|
[1446] | 1223 | return ; |
---|
| 1224 | } |
---|
| 1225 | else { |
---|
[1616] | 1226 | LogIO os( LogOrigin( "Scantable", "reshapeSpectrum()", WHERE ) ) ; |
---|
| 1227 | os << "Specified maximum exceeds nChan. Applied range is [" |
---|
| 1228 | << nmin << ", " << nChan-1 << "]." << LogIO::POST ; |
---|
[1446] | 1229 | nmax = nChan - 1 ; |
---|
| 1230 | } |
---|
| 1231 | } |
---|
| 1232 | |
---|
| 1233 | // reshape specCol_ and flagCol_ |
---|
| 1234 | for ( int irow = 0 ; irow < nrow() ; irow++ ) { |
---|
| 1235 | reshapeSpectrum( nmin, nmax, irow ) ; |
---|
| 1236 | } |
---|
| 1237 | |
---|
| 1238 | // update FREQUENCIES subtable |
---|
| 1239 | Double refpix ; |
---|
| 1240 | Double refval ; |
---|
| 1241 | Double increment ; |
---|
| 1242 | int freqnrow = freqTable_.table().nrow() ; |
---|
| 1243 | Vector<uInt> oldId( freqnrow ) ; |
---|
| 1244 | Vector<uInt> newId( freqnrow ) ; |
---|
| 1245 | for ( int irow = 0 ; irow < freqnrow ; irow++ ) { |
---|
| 1246 | freqTable_.getEntry( refpix, refval, increment, irow ) ; |
---|
| 1247 | /*** |
---|
| 1248 | * need to shift refpix to nmin |
---|
| 1249 | * note that channel nmin in old index will be channel 0 in new one |
---|
| 1250 | ***/ |
---|
| 1251 | refval = refval - ( refpix - nmin ) * increment ; |
---|
| 1252 | refpix = 0 ; |
---|
| 1253 | freqTable_.setEntry( refpix, refval, increment, irow ) ; |
---|
| 1254 | } |
---|
| 1255 | |
---|
| 1256 | // update nchan |
---|
| 1257 | int newsize = nmax - nmin + 1 ; |
---|
| 1258 | table_.rwKeywordSet().define( "nChan", newsize ) ; |
---|
| 1259 | |
---|
| 1260 | // update bandwidth |
---|
| 1261 | // assumed all spectra in the scantable have same bandwidth |
---|
| 1262 | table_.rwKeywordSet().define( "Bandwidth", increment * newsize ) ; |
---|
| 1263 | |
---|
| 1264 | return ; |
---|
[1387] | 1265 | } |
---|
[1446] | 1266 | |
---|
| 1267 | void asap::Scantable::reshapeSpectrum( int nmin, int nmax, int irow ) |
---|
| 1268 | { |
---|
| 1269 | // reshape specCol_ and flagCol_ |
---|
| 1270 | Vector<Float> oldspec = specCol_( irow ) ; |
---|
| 1271 | Vector<uChar> oldflag = flagsCol_( irow ) ; |
---|
| 1272 | uInt newsize = nmax - nmin + 1 ; |
---|
| 1273 | specCol_.put( irow, oldspec( Slice( nmin, newsize, 1 ) ) ) ; |
---|
| 1274 | flagsCol_.put( irow, oldflag( Slice( nmin, newsize, 1 ) ) ) ; |
---|
| 1275 | |
---|
| 1276 | return ; |
---|
| 1277 | } |
---|
| 1278 | |
---|
| 1279 | void asap::Scantable::regridChannel( int nChan, double dnu ) |
---|
| 1280 | { |
---|
[1616] | 1281 | LogIO os( LogOrigin( "Scantable", "regridChannel()", WHERE ) ) ; |
---|
| 1282 | os << "Regrid abcissa with channel number " << nChan << " and spectral resoultion " << dnu << "Hz." << LogIO::POST ; |
---|
[1446] | 1283 | // assumed that all rows have same nChan |
---|
| 1284 | Vector<Float> arr = specCol_( 0 ) ; |
---|
| 1285 | int oldsize = arr.nelements() ; |
---|
| 1286 | |
---|
| 1287 | // if oldsize == nChan, nothing to do |
---|
| 1288 | if ( oldsize == nChan ) { |
---|
[1616] | 1289 | os << "Specified channel number is same as current one. Nothing to do." << LogIO::POST ; |
---|
[1446] | 1290 | return ; |
---|
| 1291 | } |
---|
| 1292 | |
---|
| 1293 | // if oldChan < nChan, unphysical operation |
---|
| 1294 | if ( oldsize < nChan ) { |
---|
[1616] | 1295 | os << "Unphysical operation. Nothing to do." << LogIO::POST ; |
---|
[1446] | 1296 | return ; |
---|
| 1297 | } |
---|
| 1298 | |
---|
| 1299 | // change channel number for specCol_ and flagCol_ |
---|
| 1300 | Vector<Float> newspec( nChan, 0 ) ; |
---|
| 1301 | Vector<uChar> newflag( nChan, false ) ; |
---|
| 1302 | vector<string> coordinfo = getCoordInfo() ; |
---|
| 1303 | string oldinfo = coordinfo[0] ; |
---|
| 1304 | coordinfo[0] = "Hz" ; |
---|
| 1305 | setCoordInfo( coordinfo ) ; |
---|
| 1306 | for ( int irow = 0 ; irow < nrow() ; irow++ ) { |
---|
| 1307 | regridChannel( nChan, dnu, irow ) ; |
---|
| 1308 | } |
---|
| 1309 | coordinfo[0] = oldinfo ; |
---|
| 1310 | setCoordInfo( coordinfo ) ; |
---|
| 1311 | |
---|
| 1312 | |
---|
| 1313 | // NOTE: this method does not update metadata such as |
---|
| 1314 | // FREQUENCIES subtable, nChan, Bandwidth, etc. |
---|
| 1315 | |
---|
| 1316 | return ; |
---|
| 1317 | } |
---|
| 1318 | |
---|
| 1319 | void asap::Scantable::regridChannel( int nChan, double dnu, int irow ) |
---|
| 1320 | { |
---|
| 1321 | // logging |
---|
| 1322 | //ofstream ofs( "average.log", std::ios::out | std::ios::app ) ; |
---|
| 1323 | //ofs << "IFNO = " << getIF( irow ) << " irow = " << irow << endl ; |
---|
| 1324 | |
---|
| 1325 | Vector<Float> oldspec = specCol_( irow ) ; |
---|
| 1326 | Vector<uChar> oldflag = flagsCol_( irow ) ; |
---|
| 1327 | Vector<Float> newspec( nChan, 0 ) ; |
---|
| 1328 | Vector<uChar> newflag( nChan, false ) ; |
---|
| 1329 | |
---|
| 1330 | // regrid |
---|
| 1331 | vector<double> abcissa = getAbcissa( irow ) ; |
---|
| 1332 | int oldsize = abcissa.size() ; |
---|
| 1333 | double olddnu = abcissa[1] - abcissa[0] ; |
---|
[1610] | 1334 | //int refChan = 0 ; |
---|
| 1335 | //double frac = 0.0 ; |
---|
| 1336 | //double wedge = 0.0 ; |
---|
| 1337 | //double pile = 0.0 ; |
---|
| 1338 | int ichan = 0 ; |
---|
[1446] | 1339 | double wsum = 0.0 ; |
---|
[1610] | 1340 | Vector<Float> z( nChan ) ; |
---|
| 1341 | z[0] = abcissa[0] - 0.5 * olddnu + 0.5 * dnu ; |
---|
| 1342 | for ( int ii = 1 ; ii < nChan ; ii++ ) |
---|
| 1343 | z[ii] = z[ii-1] + dnu ; |
---|
| 1344 | Vector<Float> zi( nChan+1 ) ; |
---|
| 1345 | Vector<Float> yi( oldsize + 1 ) ; |
---|
| 1346 | zi[0] = z[0] - 0.5 * dnu ; |
---|
| 1347 | zi[1] = z[0] + 0.5 * dnu ; |
---|
| 1348 | for ( int ii = 2 ; ii < nChan ; ii++ ) |
---|
| 1349 | zi[ii] = zi[ii-1] + dnu ; |
---|
| 1350 | zi[nChan] = z[nChan-1] + 0.5 * dnu ; |
---|
| 1351 | yi[0] = abcissa[0] - 0.5 * olddnu ; |
---|
| 1352 | yi[1] = abcissa[1] + 0.5 * olddnu ; |
---|
| 1353 | for ( int ii = 2 ; ii < oldsize ; ii++ ) |
---|
| 1354 | yi[ii] = abcissa[ii-1] + olddnu ; |
---|
| 1355 | yi[oldsize] = abcissa[oldsize-1] + 0.5 * olddnu ; |
---|
| 1356 | if ( dnu > 0.0 ) { |
---|
| 1357 | for ( int ii = 0 ; ii < nChan ; ii++ ) { |
---|
| 1358 | double zl = zi[ii] ; |
---|
| 1359 | double zr = zi[ii+1] ; |
---|
| 1360 | for ( int j = ichan ; j < oldsize ; j++ ) { |
---|
| 1361 | double yl = yi[j] ; |
---|
| 1362 | double yr = yi[j+1] ; |
---|
| 1363 | if ( yl <= zl ) { |
---|
| 1364 | if ( yr <= zl ) { |
---|
| 1365 | continue ; |
---|
| 1366 | } |
---|
| 1367 | else if ( yr <= zr ) { |
---|
| 1368 | newspec[ii] += oldspec[j] * ( yr - zl ) ; |
---|
| 1369 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
| 1370 | wsum += ( yr - zl ) ; |
---|
| 1371 | } |
---|
| 1372 | else { |
---|
| 1373 | newspec[ii] += oldspec[j] * dnu ; |
---|
| 1374 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
| 1375 | wsum += dnu ; |
---|
| 1376 | ichan = j ; |
---|
| 1377 | break ; |
---|
| 1378 | } |
---|
| 1379 | } |
---|
| 1380 | else if ( yl < zr ) { |
---|
| 1381 | if ( yr <= zr ) { |
---|
| 1382 | newspec[ii] += oldspec[j] * ( yr - yl ) ; |
---|
| 1383 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
| 1384 | wsum += ( yr - yl ) ; |
---|
| 1385 | } |
---|
| 1386 | else { |
---|
| 1387 | newspec[ii] += oldspec[j] * ( zr - yl ) ; |
---|
| 1388 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
| 1389 | wsum += ( zr - yl ) ; |
---|
| 1390 | ichan = j ; |
---|
| 1391 | break ; |
---|
| 1392 | } |
---|
| 1393 | } |
---|
| 1394 | else { |
---|
| 1395 | ichan = j - 1 ; |
---|
| 1396 | break ; |
---|
| 1397 | } |
---|
| 1398 | } |
---|
| 1399 | newspec[ii] /= wsum ; |
---|
| 1400 | wsum = 0.0 ; |
---|
| 1401 | } |
---|
[1446] | 1402 | } |
---|
[1610] | 1403 | else if ( dnu < 0.0 ) { |
---|
| 1404 | for ( int ii = 0 ; ii < nChan ; ii++ ) { |
---|
| 1405 | double zl = zi[ii] ; |
---|
| 1406 | double zr = zi[ii+1] ; |
---|
| 1407 | for ( int j = ichan ; j < oldsize ; j++ ) { |
---|
| 1408 | double yl = yi[j] ; |
---|
| 1409 | double yr = yi[j+1] ; |
---|
| 1410 | if ( yl >= zl ) { |
---|
| 1411 | if ( yr >= zl ) { |
---|
| 1412 | continue ; |
---|
| 1413 | } |
---|
| 1414 | else if ( yr >= zr ) { |
---|
| 1415 | newspec[ii] += oldspec[j] * abs( yr - zl ) ; |
---|
| 1416 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
| 1417 | wsum += abs( yr - zl ) ; |
---|
| 1418 | } |
---|
| 1419 | else { |
---|
| 1420 | newspec[ii] += oldspec[j] * abs( dnu ) ; |
---|
| 1421 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
| 1422 | wsum += abs( dnu ) ; |
---|
| 1423 | ichan = j ; |
---|
| 1424 | break ; |
---|
| 1425 | } |
---|
| 1426 | } |
---|
| 1427 | else if ( yl > zr ) { |
---|
| 1428 | if ( yr >= zr ) { |
---|
| 1429 | newspec[ii] += oldspec[j] * abs( yr - yl ) ; |
---|
| 1430 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
| 1431 | wsum += abs( yr - yl ) ; |
---|
| 1432 | } |
---|
| 1433 | else { |
---|
| 1434 | newspec[ii] += oldspec[j] * abs( zr - yl ) ; |
---|
| 1435 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
| 1436 | wsum += abs( zr - yl ) ; |
---|
| 1437 | ichan = j ; |
---|
| 1438 | break ; |
---|
| 1439 | } |
---|
| 1440 | } |
---|
| 1441 | else { |
---|
| 1442 | ichan = j - 1 ; |
---|
| 1443 | break ; |
---|
| 1444 | } |
---|
| 1445 | } |
---|
| 1446 | newspec[ii] /= wsum ; |
---|
| 1447 | wsum = 0.0 ; |
---|
[1446] | 1448 | } |
---|
| 1449 | } |
---|
[1610] | 1450 | // * ichan = 0 |
---|
| 1451 | // ***/ |
---|
| 1452 | // //ofs << "olddnu = " << olddnu << ", dnu = " << dnu << endl ; |
---|
| 1453 | // pile += dnu ; |
---|
| 1454 | // wedge = olddnu * ( refChan + 1 ) ; |
---|
| 1455 | // while ( wedge < pile ) { |
---|
| 1456 | // newspec[0] += olddnu * oldspec[refChan] ; |
---|
| 1457 | // newflag[0] = newflag[0] || oldflag[refChan] ; |
---|
| 1458 | // //ofs << "channel " << refChan << " is included in new channel 0" << endl ; |
---|
| 1459 | // refChan++ ; |
---|
| 1460 | // wedge += olddnu ; |
---|
| 1461 | // wsum += olddnu ; |
---|
| 1462 | // //ofs << "newspec[0] = " << newspec[0] << " wsum = " << wsum << endl ; |
---|
| 1463 | // } |
---|
| 1464 | // frac = ( wedge - pile ) / olddnu ; |
---|
| 1465 | // wsum += ( 1.0 - frac ) * olddnu ; |
---|
| 1466 | // newspec[0] += ( 1.0 - frac ) * olddnu * oldspec[refChan] ; |
---|
| 1467 | // newflag[0] = newflag[0] || oldflag[refChan] ; |
---|
| 1468 | // //ofs << "channel " << refChan << " is partly included in new channel 0" << " with fraction of " << ( 1.0 - frac ) << endl ; |
---|
| 1469 | // //ofs << "newspec[0] = " << newspec[0] << " wsum = " << wsum << endl ; |
---|
| 1470 | // newspec[0] /= wsum ; |
---|
| 1471 | // //ofs << "newspec[0] = " << newspec[0] << endl ; |
---|
| 1472 | // //ofs << "wedge = " << wedge << ", pile = " << pile << endl ; |
---|
[1446] | 1473 | |
---|
[1610] | 1474 | // /*** |
---|
| 1475 | // * ichan = 1 - nChan-2 |
---|
| 1476 | // ***/ |
---|
| 1477 | // for ( int ichan = 1 ; ichan < nChan - 1 ; ichan++ ) { |
---|
| 1478 | // pile += dnu ; |
---|
| 1479 | // newspec[ichan] += frac * olddnu * oldspec[refChan] ; |
---|
| 1480 | // newflag[ichan] = newflag[ichan] || oldflag[refChan] ; |
---|
| 1481 | // //ofs << "channel " << refChan << " is partly included in new channel " << ichan << " with fraction of " << frac << endl ; |
---|
| 1482 | // refChan++ ; |
---|
| 1483 | // wedge += olddnu ; |
---|
| 1484 | // wsum = frac * olddnu ; |
---|
| 1485 | // //ofs << "newspec[" << ichan << "] = " << newspec[ichan] << " wsum = " << wsum << endl ; |
---|
| 1486 | // while ( wedge < pile ) { |
---|
| 1487 | // newspec[ichan] += olddnu * oldspec[refChan] ; |
---|
| 1488 | // newflag[ichan] = newflag[ichan] || oldflag[refChan] ; |
---|
| 1489 | // //ofs << "channel " << refChan << " is included in new channel " << ichan << endl ; |
---|
| 1490 | // refChan++ ; |
---|
| 1491 | // wedge += olddnu ; |
---|
| 1492 | // wsum += olddnu ; |
---|
| 1493 | // //ofs << "newspec[" << ichan << "] = " << newspec[ichan] << " wsum = " << wsum << endl ; |
---|
| 1494 | // } |
---|
| 1495 | // frac = ( wedge - pile ) / olddnu ; |
---|
| 1496 | // wsum += ( 1.0 - frac ) * olddnu ; |
---|
| 1497 | // newspec[ichan] += ( 1.0 - frac ) * olddnu * oldspec[refChan] ; |
---|
| 1498 | // newflag[ichan] = newflag[ichan] || oldflag[refChan] ; |
---|
| 1499 | // //ofs << "channel " << refChan << " is partly included in new channel " << ichan << " with fraction of " << ( 1.0 - frac ) << endl ; |
---|
| 1500 | // //ofs << "wedge = " << wedge << ", pile = " << pile << endl ; |
---|
| 1501 | // //ofs << "newspec[" << ichan << "] = " << newspec[ichan] << " wsum = " << wsum << endl ; |
---|
| 1502 | // newspec[ichan] /= wsum ; |
---|
| 1503 | // //ofs << "newspec[" << ichan << "] = " << newspec[ichan] << endl ; |
---|
| 1504 | // } |
---|
| 1505 | |
---|
| 1506 | // /*** |
---|
| 1507 | // * ichan = nChan-1 |
---|
| 1508 | // ***/ |
---|
| 1509 | // // NOTE: Assumed that all spectra have the same bandwidth |
---|
| 1510 | // pile += dnu ; |
---|
| 1511 | // newspec[nChan-1] += frac * olddnu * oldspec[refChan] ; |
---|
| 1512 | // newflag[nChan-1] = newflag[nChan-1] || oldflag[refChan] ; |
---|
| 1513 | // //ofs << "channel " << refChan << " is partly included in new channel " << nChan-1 << " with fraction of " << frac << endl ; |
---|
| 1514 | // refChan++ ; |
---|
| 1515 | // wedge += olddnu ; |
---|
| 1516 | // wsum = frac * olddnu ; |
---|
| 1517 | // //ofs << "newspec[" << nChan - 1 << "] = " << newspec[nChan-1] << " wsum = " << wsum << endl ; |
---|
| 1518 | // for ( int jchan = refChan ; jchan < oldsize ; jchan++ ) { |
---|
| 1519 | // newspec[nChan-1] += olddnu * oldspec[jchan] ; |
---|
| 1520 | // newflag[nChan-1] = newflag[nChan-1] || oldflag[jchan] ; |
---|
| 1521 | // wsum += olddnu ; |
---|
| 1522 | // //ofs << "channel " << jchan << " is included in new channel " << nChan-1 << " with fraction of " << frac << endl ; |
---|
| 1523 | // //ofs << "newspec[" << nChan - 1 << "] = " << newspec[nChan-1] << " wsum = " << wsum << endl ; |
---|
| 1524 | // } |
---|
| 1525 | // //ofs << "wedge = " << wedge << ", pile = " << pile << endl ; |
---|
| 1526 | // //ofs << "newspec[" << nChan - 1 << "] = " << newspec[nChan-1] << " wsum = " << wsum << endl ; |
---|
| 1527 | // newspec[nChan-1] /= wsum ; |
---|
| 1528 | // //ofs << "newspec[" << nChan - 1 << "] = " << newspec[nChan-1] << endl ; |
---|
[1446] | 1529 | |
---|
[1610] | 1530 | // specCol_.put( irow, newspec ) ; |
---|
| 1531 | // flagsCol_.put( irow, newflag ) ; |
---|
[1446] | 1532 | |
---|
[1610] | 1533 | // // ofs.close() ; |
---|
[1446] | 1534 | |
---|
[1610] | 1535 | |
---|
[1446] | 1536 | return ; |
---|
| 1537 | } |
---|
| 1538 | |
---|
| 1539 | } |
---|
| 1540 | //namespace asap |
---|