[2720] | 1 | // |
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| 2 | // C++ Implementation: STApplyCal |
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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: Takeshi Nakazato <takeshi.nakazato@nao.ac.jp> (C) 2012 |
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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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[2722] | 12 | #include <assert.h> |
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[2720] | 13 | |
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| 14 | #include <casa/Arrays/Array.h> |
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| 15 | #include <casa/Arrays/Vector.h> |
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| 16 | #include <casa/Arrays/Matrix.h> |
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| 17 | #include <casa/Arrays/ArrayIO.h> |
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| 18 | #include <casa/Arrays/ArrayMath.h> |
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| 19 | #include <casa/BasicSL/String.h> |
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| 20 | #include <casa/Logging/LogIO.h> |
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| 21 | #include <casa/Exceptions/Error.h> |
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| 22 | #include <casa/Utilities/CountedPtr.h> |
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| 23 | #include <casa/Utilities/Sort.h> |
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[2756] | 24 | #include <casa/Utilities/Assert.h> |
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[2720] | 25 | #include <tables/Tables/Table.h> |
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| 26 | |
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| 27 | #include "Scantable.h" |
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| 28 | #include "STApplyCal.h" |
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| 29 | #include "STApplyTable.h" |
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| 30 | #include "STCalTsysTable.h" |
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| 31 | #include "STCalSkyTable.h" |
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| 32 | #include "STCalEnum.h" |
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| 33 | #include "STIdxIter.h" |
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| 34 | #include "Calibrator.h" |
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| 35 | #include "PSAlmaCalibrator.h" |
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[2733] | 36 | #include "Interpolator1D.h" |
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[2720] | 37 | #include "NearestInterpolator1D.h" |
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[2727] | 38 | #include "BufferedLinearInterpolator1D.h" |
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| 39 | #include "PolynomialInterpolator1D.h" |
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| 40 | #include "CubicSplineInterpolator1D.h" |
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[2720] | 41 | #include <atnf/PKSIO/SrcType.h> |
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| 42 | |
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| 43 | |
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| 44 | using namespace casa; |
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| 45 | using namespace std; |
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| 46 | |
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[2963] | 47 | namespace { |
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| 48 | // utility functions |
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| 49 | Vector<uInt> indexSort(Vector<Double> &t) |
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| 50 | { |
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| 51 | Sort sort; |
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| 52 | sort.sortKey(&t[0], TpDouble, 0, Sort::Ascending); |
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| 53 | Vector<uInt> idx; |
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| 54 | sort.sort(idx, t.nelements(), Sort::QuickSort|Sort::NoDuplicates); |
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| 55 | return idx; |
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| 56 | } |
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| 57 | |
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| 58 | void getSortedData(const Vector<Double> key, const Vector<Float> data, |
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| 59 | const Vector<uChar> flag, |
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| 60 | Vector<Double> sortedKey, Vector<Float> sortedData, |
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| 61 | Vector<uChar> sortedFlag) |
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| 62 | { |
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| 63 | } |
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| 64 | } |
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| 65 | |
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[2720] | 66 | namespace asap { |
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| 67 | STApplyCal::STApplyCal() |
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| 68 | { |
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| 69 | init(); |
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| 70 | } |
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| 71 | |
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| 72 | STApplyCal::STApplyCal(CountedPtr<Scantable> target) |
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| 73 | : target_(target) |
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| 74 | { |
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| 75 | init(); |
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| 76 | } |
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| 77 | |
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| 78 | STApplyCal::~STApplyCal() |
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| 79 | { |
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| 80 | } |
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| 81 | |
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| 82 | void STApplyCal::init() |
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| 83 | { |
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| 84 | caltype_ = STCalEnum::NoType; |
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| 85 | doTsys_ = False; |
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[2742] | 86 | iTime_ = STCalEnum::DefaultInterpolation; |
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| 87 | iFreq_ = STCalEnum::DefaultInterpolation; |
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[2720] | 88 | } |
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| 89 | |
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[2735] | 90 | void STApplyCal::reset() |
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| 91 | { |
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[2742] | 92 | // call init |
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| 93 | init(); |
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| 94 | |
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| 95 | // clear apply tables |
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| 96 | // do not delete object here |
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| 97 | skytable_.resize(0); |
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| 98 | tsystable_.resize(0); |
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| 99 | |
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| 100 | // clear mapping for Tsys transfer |
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| 101 | spwmap_.clear(); |
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| 102 | |
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| 103 | // reset selector |
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| 104 | sel_.reset(); |
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| 105 | |
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| 106 | // delete interpolators |
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| 107 | interpolatorT_ = 0; |
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| 108 | interpolatorS_ = 0; |
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| 109 | interpolatorF_ = 0; |
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| 110 | |
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| 111 | // clear working scantable |
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| 112 | work_ = 0; |
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| 113 | |
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| 114 | // clear calibrator |
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| 115 | calibrator_ = 0; |
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[2735] | 116 | } |
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| 117 | |
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| 118 | void STApplyCal::completeReset() |
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| 119 | { |
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| 120 | reset(); |
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| 121 | target_ = 0; |
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| 122 | } |
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| 123 | |
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[2720] | 124 | void STApplyCal::setTarget(CountedPtr<Scantable> target) |
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| 125 | { |
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| 126 | target_ = target; |
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| 127 | } |
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| 128 | |
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| 129 | void STApplyCal::setTarget(const String &name) |
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| 130 | { |
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| 131 | // always create PlainTable |
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| 132 | target_ = new Scantable(name, Table::Plain); |
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| 133 | } |
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| 134 | |
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| 135 | void STApplyCal::push(STCalSkyTable *table) |
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| 136 | { |
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[2735] | 137 | os_.origin(LogOrigin("STApplyCal","push",WHERE)); |
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[2720] | 138 | skytable_.push_back(table); |
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| 139 | STCalEnum::CalType caltype = STApplyTable::getCalType(table); |
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| 140 | os_ << "caltype=" << caltype << LogIO::POST; |
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| 141 | if (caltype_ == STCalEnum::NoType || |
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| 142 | caltype_ == STCalEnum::DefaultType || |
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| 143 | caltype_ == STCalEnum::CalTsys) { |
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| 144 | caltype_ = caltype; |
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| 145 | } |
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| 146 | os_ << "caltype_=" << caltype_ << LogIO::POST; |
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| 147 | } |
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| 148 | |
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| 149 | void STApplyCal::push(STCalTsysTable *table) |
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| 150 | { |
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| 151 | tsystable_.push_back(table); |
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| 152 | doTsys_ = True; |
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| 153 | } |
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| 154 | |
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[2735] | 155 | void STApplyCal::setTimeInterpolation(STCalEnum::InterpolationType itype, Int order) |
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[2720] | 156 | { |
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[2735] | 157 | iTime_ = itype; |
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[2720] | 158 | order_ = order; |
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| 159 | } |
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| 160 | |
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[2735] | 161 | void STApplyCal::setFrequencyInterpolation(STCalEnum::InterpolationType itype, Int order) |
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| 162 | { |
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| 163 | iFreq_ = itype; |
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| 164 | order_ = order; |
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| 165 | } |
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| 166 | |
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[2720] | 167 | void STApplyCal::setTsysTransfer(uInt from, Vector<uInt> to) |
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| 168 | { |
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[2735] | 169 | os_.origin(LogOrigin("STApplyCal","setTsysTransfer",WHERE)); |
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[2720] | 170 | os_ << "from=" << from << ", to=" << to << LogIO::POST; |
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| 171 | map<uInt, Vector<uInt> >::iterator i = spwmap_.find(from); |
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| 172 | if (i == spwmap_.end()) { |
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| 173 | spwmap_.insert(pair<uInt, Vector<uInt> >(from, to)); |
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| 174 | } |
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| 175 | else { |
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| 176 | Vector<uInt> toNew = i->second; |
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| 177 | spwmap_.erase(i); |
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| 178 | uInt k = toNew.nelements(); |
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| 179 | toNew.resize(k+to.nelements(), True); |
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| 180 | for (uInt i = 0; i < to.nelements(); i++) |
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| 181 | toNew[i+k] = to[i]; |
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| 182 | spwmap_.insert(pair<uInt, Vector<uInt> >(from, toNew)); |
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| 183 | } |
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| 184 | } |
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| 185 | |
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[2742] | 186 | void STApplyCal::apply(Bool insitu, Bool filltsys) |
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[2720] | 187 | { |
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[2735] | 188 | os_.origin(LogOrigin("STApplyCal","apply",WHERE)); |
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[2750] | 189 | |
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[2756] | 190 | //assert(!target_.null()); |
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| 191 | assert_<AipsError>(!target_.null(),"You have to set target scantable first."); |
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[2750] | 192 | |
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[2720] | 193 | // calibrator |
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| 194 | if (caltype_ == STCalEnum::CalPSAlma) |
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| 195 | calibrator_ = new PSAlmaCalibrator(); |
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| 196 | |
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| 197 | // interpolator |
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[2727] | 198 | initInterpolator(); |
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[2720] | 199 | |
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| 200 | // select data |
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| 201 | sel_.reset(); |
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[2806] | 202 | sel_ = target_->getSelection(); |
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[2720] | 203 | if (caltype_ == STCalEnum::CalPSAlma || |
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| 204 | caltype_ == STCalEnum::CalPS) { |
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| 205 | sel_.setTypes(vector<int>(1,(int)SrcType::PSON)); |
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| 206 | } |
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| 207 | target_->setSelection(sel_); |
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| 208 | |
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[2735] | 209 | //os_ << "sel_.print()=" << sel_.print() << LogIO::POST; |
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[2720] | 210 | |
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| 211 | // working data |
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[2750] | 212 | if (insitu) { |
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| 213 | os_.origin(LogOrigin("STApplyCal","apply",WHERE)); |
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| 214 | os_ << "Overwrite input scantable" << LogIO::POST; |
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[2720] | 215 | work_ = target_; |
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[2750] | 216 | } |
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| 217 | else { |
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| 218 | os_.origin(LogOrigin("STApplyCal","apply",WHERE)); |
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| 219 | os_ << "Create output scantable from input" << LogIO::POST; |
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[2720] | 220 | work_ = new Scantable(*target_, false); |
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[2750] | 221 | } |
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[2720] | 222 | |
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[2735] | 223 | //os_ << "work_->nrow()=" << work_->nrow() << LogIO::POST; |
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[2720] | 224 | |
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| 225 | // list of apply tables for sky calibration |
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[2928] | 226 | Vector<uInt> skycalList(skytable_.size()); |
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[2720] | 227 | uInt numSkyCal = 0; |
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[2735] | 228 | |
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[2720] | 229 | // list of apply tables for Tsys calibration |
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| 230 | for (uInt i = 0 ; i < skytable_.size(); i++) { |
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| 231 | STCalEnum::CalType caltype = STApplyTable::getCalType(skytable_[i]); |
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| 232 | if (caltype == caltype_) { |
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| 233 | skycalList[numSkyCal] = i; |
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| 234 | numSkyCal++; |
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| 235 | } |
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| 236 | } |
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[2928] | 237 | skycalList.resize(numSkyCal, True); |
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[2720] | 238 | |
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| 239 | |
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| 240 | vector<string> cols( 3 ) ; |
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| 241 | cols[0] = "BEAMNO" ; |
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| 242 | cols[1] = "POLNO" ; |
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| 243 | cols[2] = "IFNO" ; |
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[2916] | 244 | CountedPtr<STIdxIter2> iter = new STIdxIter2(work_, cols) ; |
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[2925] | 245 | double start = mathutil::gettimeofday_sec(); |
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| 246 | os_ << LogIO::DEBUGGING << "start iterative doapply: " << start << LogIO::POST; |
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[2720] | 247 | while (!iter->pastEnd()) { |
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[2916] | 248 | Record ids = iter->currentValue(); |
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[2720] | 249 | Vector<uInt> rows = iter->getRows(SHARE); |
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| 250 | if (rows.nelements() > 0) |
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[2916] | 251 | doapply(ids.asuInt("BEAMNO"), ids.asuInt("IFNO"), ids.asuInt("POLNO"), rows, skycalList, filltsys); |
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[2720] | 252 | iter->next(); |
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| 253 | } |
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[2925] | 254 | double end = mathutil::gettimeofday_sec(); |
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| 255 | os_ << LogIO::DEBUGGING << "end iterative doapply: " << end << LogIO::POST; |
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| 256 | os_ << LogIO::DEBUGGING << "elapsed time for doapply: " << end - start << " sec" << LogIO::POST; |
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[2720] | 257 | |
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| 258 | target_->unsetSelection(); |
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| 259 | } |
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| 260 | |
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| 261 | void STApplyCal::doapply(uInt beamno, uInt ifno, uInt polno, |
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| 262 | Vector<uInt> &rows, |
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[2742] | 263 | Vector<uInt> &skylist, |
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| 264 | Bool filltsys) |
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[2720] | 265 | { |
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[2735] | 266 | os_.origin(LogOrigin("STApplyCal","doapply",WHERE)); |
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[2720] | 267 | Bool doTsys = doTsys_; |
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| 268 | |
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| 269 | STSelector sel; |
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| 270 | vector<int> id(1); |
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| 271 | id[0] = beamno; |
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| 272 | sel.setBeams(id); |
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| 273 | id[0] = ifno; |
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| 274 | sel.setIFs(id); |
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| 275 | id[0] = polno; |
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| 276 | sel.setPolarizations(id); |
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| 277 | |
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| 278 | // apply selection to apply tables |
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| 279 | uInt nrowSky = 0; |
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| 280 | uInt nrowTsys = 0; |
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| 281 | for (uInt i = 0; i < skylist.nelements(); i++) { |
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| 282 | skytable_[skylist[i]]->setSelection(sel); |
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| 283 | nrowSky += skytable_[skylist[i]]->nrow(); |
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| 284 | os_ << "nrowSky=" << nrowSky << LogIO::POST; |
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| 285 | } |
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[2806] | 286 | |
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| 287 | // Skip IFNO without sky data |
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| 288 | if (nrowSky == 0) |
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| 289 | return; |
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| 290 | |
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[2720] | 291 | uInt nchanTsys = 0; |
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| 292 | Vector<Double> ftsys; |
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| 293 | uInt tsysifno = getIFForTsys(ifno); |
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[2758] | 294 | os_ << "tsysifno=" << (Int)tsysifno << LogIO::POST; |
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[2720] | 295 | if (tsystable_.size() == 0) { |
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| 296 | os_.origin(LogOrigin("STApplyTable", "doapply", WHERE)); |
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| 297 | os_ << "No Tsys tables are given. Skip Tsys calibratoin." << LogIO::POST; |
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| 298 | doTsys = False; |
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| 299 | } |
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| 300 | else if (tsysifno == (uInt)-1) { |
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| 301 | os_.origin(LogOrigin("STApplyTable", "doapply", WHERE)); |
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| 302 | os_ << "No corresponding Tsys for IFNO " << ifno << ". Skip Tsys calibration" << LogIO::POST; |
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| 303 | doTsys = False; |
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| 304 | } |
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| 305 | else { |
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| 306 | id[0] = (int)tsysifno; |
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| 307 | sel.setIFs(id); |
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| 308 | for (uInt i = 0; i < tsystable_.size() ; i++) { |
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| 309 | tsystable_[i]->setSelection(sel); |
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[2848] | 310 | uInt nrowThisTsys = tsystable_[i]->nrow(); |
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| 311 | nrowTsys += nrowThisTsys; |
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[2963] | 312 | if (nrowThisTsys > 0 && nchanTsys == 0) { |
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[2848] | 313 | nchanTsys = tsystable_[i]->nchan(tsysifno); |
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| 314 | ftsys = tsystable_[i]->getBaseFrequency(0); |
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| 315 | } |
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[2720] | 316 | } |
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[2848] | 317 | interpolatorF_->setX(ftsys.data(), nchanTsys); |
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[2720] | 318 | } |
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| 319 | |
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| 320 | uInt nchanSp = skytable_[skylist[0]]->nchan(ifno); |
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[2928] | 321 | uInt nrowSkySorted = nrowSky; |
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| 322 | Vector<Double> timeSkySorted; |
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| 323 | Matrix<Float> spoffSorted; |
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[2960] | 324 | Matrix<uChar> flagoffSorted; |
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[2928] | 325 | { |
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| 326 | Vector<Double> timeSky(nrowSky); |
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| 327 | Matrix<Float> spoff(nrowSky, nchanSp); |
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[2960] | 328 | Matrix<uChar> flagoff(nrowSky, nchanSp); |
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[2928] | 329 | nrowSky = 0; |
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| 330 | for (uInt i = 0 ; i < skylist.nelements(); i++) { |
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| 331 | STCalSkyTable *p = skytable_[skylist[i]]; |
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| 332 | Vector<Double> t = p->getTime(); |
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| 333 | Matrix<Float> sp = p->getSpectra(); |
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[2960] | 334 | Matrix<uChar> fl = p->getFlagtra(); |
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[2928] | 335 | for (uInt j = 0; j < t.nelements(); j++) { |
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| 336 | timeSky[nrowSky] = t[j]; |
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| 337 | spoff.row(nrowSky) = sp.column(j); |
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[2960] | 338 | flagoff.row(nrowSky) = fl.column(j); |
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[2928] | 339 | nrowSky++; |
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| 340 | } |
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[2720] | 341 | } |
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[2928] | 342 | |
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[2963] | 343 | Vector<uInt> skyIdx = indexSort(timeSky); |
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[2928] | 344 | nrowSkySorted = skyIdx.nelements(); |
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| 345 | |
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| 346 | timeSkySorted.takeStorage(IPosition(1, nrowSkySorted), |
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| 347 | new Double[nrowSkySorted], |
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| 348 | TAKE_OVER); |
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| 349 | for (uInt i = 0 ; i < nrowSkySorted; i++) { |
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| 350 | timeSkySorted[i] = timeSky[skyIdx[i]]; |
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| 351 | } |
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| 352 | interpolatorS_->setX(timeSkySorted.data(), nrowSkySorted); |
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| 353 | |
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| 354 | spoffSorted.takeStorage(IPosition(2, nrowSky, nchanSp), |
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| 355 | new Float[nrowSky * nchanSp], |
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| 356 | TAKE_OVER); |
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[2960] | 357 | flagoffSorted.takeStorage(IPosition(2, nrowSkySorted, nchanSp), |
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| 358 | new uChar[nrowSkySorted * nchanSp], |
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| 359 | TAKE_OVER); |
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[2928] | 360 | for (uInt i = 0 ; i < nrowSky; i++) { |
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| 361 | spoffSorted.row(i) = spoff.row(skyIdx[i]); |
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[2960] | 362 | flagoffSorted.row(i) = flagoff.row(skyIdx[i]); |
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[2928] | 363 | } |
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[2720] | 364 | } |
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| 365 | |
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[2928] | 366 | uInt nrowTsysSorted = nrowTsys; |
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| 367 | Matrix<Float> tsysSorted; |
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[2960] | 368 | Matrix<uChar> flagtsysSorted; |
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[2733] | 369 | Vector<Double> timeTsysSorted; |
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[2720] | 370 | if (doTsys) { |
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[2758] | 371 | //os_ << "doTsys" << LogIO::POST; |
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[2928] | 372 | Vector<Double> timeTsys(nrowTsys); |
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| 373 | Matrix<Float> tsys(nrowTsys, nchanTsys); |
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[2960] | 374 | Matrix<uChar> flagtsys(nrowTsys, nchanTsys); |
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[2928] | 375 | tsysSorted.takeStorage(IPosition(2, nrowTsys, nchanTsys), |
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| 376 | new Float[nrowTsys * nchanTsys], |
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| 377 | TAKE_OVER); |
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[2720] | 378 | nrowTsys = 0; |
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| 379 | for (uInt i = 0 ; i < tsystable_.size(); i++) { |
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| 380 | STCalTsysTable *p = tsystable_[i]; |
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| 381 | Vector<Double> t = p->getTime(); |
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| 382 | Matrix<Float> ts = p->getTsys(); |
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[2960] | 383 | Matrix<uChar> fl = p->getFlagtra(); |
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[2720] | 384 | for (uInt j = 0; j < t.nelements(); j++) { |
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| 385 | timeTsys[nrowTsys] = t[j]; |
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[2925] | 386 | tsys.row(nrowTsys) = ts.column(j); |
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[2960] | 387 | flagtsys.row(nrowTsys) = fl.column(j); |
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[2720] | 388 | nrowTsys++; |
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| 389 | } |
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| 390 | } |
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[2963] | 391 | Vector<uInt> tsysIdx = indexSort(timeTsys); |
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[2928] | 392 | nrowTsysSorted = tsysIdx.nelements(); |
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[2720] | 393 | |
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[2928] | 394 | timeTsysSorted.takeStorage(IPosition(1, nrowTsysSorted), |
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| 395 | new Double[nrowTsysSorted], |
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| 396 | TAKE_OVER); |
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[2960] | 397 | flagtsysSorted.takeStorage(IPosition(2, nrowTsysSorted, nchanTsys), |
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| 398 | new uChar[nrowTsysSorted * nchanTsys], |
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| 399 | TAKE_OVER); |
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[2928] | 400 | for (uInt i = 0 ; i < nrowTsysSorted; i++) { |
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[2733] | 401 | timeTsysSorted[i] = timeTsys[tsysIdx[i]]; |
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[2720] | 402 | } |
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[2928] | 403 | interpolatorT_->setX(timeTsysSorted.data(), nrowTsysSorted); |
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| 404 | |
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| 405 | for (uInt i = 0; i < nrowTsys; ++i) { |
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| 406 | tsysSorted.row(i) = tsys.row(tsysIdx[i]); |
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[2960] | 407 | flagtsysSorted.row(i) = flagtsys.row(tsysIdx[i]); |
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[2928] | 408 | } |
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[2720] | 409 | } |
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| 410 | |
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| 411 | Table tab = work_->table(); |
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| 412 | ArrayColumn<Float> spCol(tab, "SPECTRA"); |
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[2960] | 413 | ArrayColumn<uChar> flCol(tab, "FLAGTRA"); |
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[2735] | 414 | ArrayColumn<Float> tsysCol(tab, "TSYS"); |
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[2720] | 415 | ScalarColumn<Double> timeCol(tab, "TIME"); |
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[2960] | 416 | //Vector<Float> on; |
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[2925] | 417 | |
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| 418 | // Array for scaling factor (aka Tsys) |
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[2928] | 419 | Vector<Float> iTsys(IPosition(1, nchanSp), new Float[nchanSp], TAKE_OVER); |
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| 420 | // Array for Tsys interpolation |
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| 421 | // This is empty array and is never referenced if doTsys == false |
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| 422 | // (i.e. nchanTsys == 0) |
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| 423 | Vector<Float> iTsysT(IPosition(1, nchanTsys), new Float[nchanTsys], TAKE_OVER); |
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| 424 | |
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| 425 | // Array for interpolated off spectrum |
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| 426 | Vector<Float> iOff(IPosition(1, nchanSp), new Float[nchanSp], TAKE_OVER); |
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[2963] | 427 | |
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| 428 | // working array for interpolation with flags |
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| 429 | uInt arraySize = max(max(nrowTsysSorted, nchanTsys), nrowSkySorted); |
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| 430 | Vector<Double> xwork(IPosition(1, arraySize), new Double[arraySize], TAKE_OVER); |
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| 431 | Vector<Float> ywork(IPosition(1, arraySize), new Float[arraySize], TAKE_OVER); |
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| 432 | Vector<uChar> fwork(IPosition(1, nchanTsys), new uChar[nchanTsys], TAKE_OVER); |
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[2925] | 433 | |
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[2720] | 434 | for (uInt i = 0; i < rows.nelements(); i++) { |
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[2758] | 435 | //os_ << "start i = " << i << " (row = " << rows[i] << ")" << LogIO::POST; |
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[2720] | 436 | uInt irow = rows[i]; |
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| 437 | |
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| 438 | // target spectral data |
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[2960] | 439 | Vector<Float> on = spCol(irow); |
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| 440 | Vector<uChar> flag = flCol(irow); |
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[2862] | 441 | //os_ << "on=" << on[0] << LogIO::POST; |
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[2720] | 442 | calibrator_->setSource(on); |
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| 443 | |
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| 444 | // interpolation |
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[2733] | 445 | Double t0 = timeCol(irow); |
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[2963] | 446 | Double *xwork_p = xwork.data(); |
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| 447 | Float *ywork_p = ywork.data(); |
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[2720] | 448 | for (uInt ichan = 0; ichan < nchanSp; ichan++) { |
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[2960] | 449 | Float *tmpY = &(spoffSorted.data()[ichan * nrowSkySorted]); |
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[2963] | 450 | uChar *tmpF = &(flagoffSorted.data()[ichan * nrowSkySorted]); |
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| 451 | uInt wnrow = 0; |
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| 452 | for (uInt ir = 0; ir < nrowSkySorted; ++ir) { |
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| 453 | if (tmpF[ir] == 0) { |
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| 454 | xwork_p[wnrow] = timeSkySorted.data()[ir]; |
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| 455 | ywork_p[wnrow] = tmpY[ir]; |
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| 456 | wnrow++; |
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| 457 | } |
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| 458 | } |
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| 459 | //if (allNE(flagoffSorted.column(ichan), (uChar)0)) { |
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| 460 | if (wnrow > 0) { |
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| 461 | // any valid reference data |
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| 462 | interpolatorS_->setData(xwork_p, ywork_p, wnrow); |
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| 463 | } |
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| 464 | else { |
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| 465 | // no valid reference data |
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| 466 | // interpolate data regardless of flag |
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| 467 | interpolatorS_->setData(timeSkySorted.data(), tmpY, nrowSkySorted); |
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| 468 | // flag this channel for calibrated data |
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[2960] | 469 | flag[ichan] = 1 << 7; // user flag |
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| 470 | } |
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[2963] | 471 | //interpolatorS_->setY(tmpY, nrowSkySorted); |
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[2720] | 472 | iOff[ichan] = interpolatorS_->interpolate(t0); |
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| 473 | } |
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[2862] | 474 | //os_ << "iOff=" << iOff[0] << LogIO::POST; |
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[2720] | 475 | calibrator_->setReference(iOff); |
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| 476 | |
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| 477 | if (doTsys) { |
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| 478 | // Tsys correction |
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[2963] | 479 | // interpolation on time axis |
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[2928] | 480 | Float *yt = iTsysT.data(); |
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[2963] | 481 | uChar *fwork_p = fwork.data(); |
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[2720] | 482 | for (uInt ichan = 0; ichan < nchanTsys; ichan++) { |
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[2928] | 483 | Float *tmpY = &(tsysSorted.data()[ichan * nrowTsysSorted]); |
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[2963] | 484 | uChar *tmpF = &(flagtsysSorted.data()[ichan * nrowTsysSorted]); |
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| 485 | uInt wnrow = 0; |
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| 486 | for (uInt ir = 0; ir < nrowTsysSorted; ++ir) { |
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| 487 | if (tmpF[ir] == 0) { |
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| 488 | xwork_p[wnrow] = timeTsysSorted.data()[ir]; |
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| 489 | ywork_p[wnrow] = tmpY[ir]; |
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| 490 | wnrow++; |
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| 491 | } |
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| 492 | } |
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| 493 | if (wnrow > 0) { |
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| 494 | // any valid value exists |
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| 495 | //interpolatorT_->setY(tmpY, nrowTsysSorted); |
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| 496 | interpolatorT_->setData(xwork_p, ywork_p, wnrow); |
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| 497 | iTsysT[ichan] = interpolatorT_->interpolate(t0); |
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| 498 | fwork_p[ichan] = 0; |
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| 499 | } |
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| 500 | else { |
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| 501 | // no valid data |
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| 502 | fwork_p[ichan] = 1 << 7; // user flag |
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| 503 | } |
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[2720] | 504 | } |
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| 505 | if (nchanSp == 1) { |
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| 506 | // take average |
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| 507 | iTsys[0] = mean(iTsysT); |
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| 508 | } |
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| 509 | else { |
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| 510 | // interpolation on frequency axis |
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| 511 | Vector<Double> fsp = getBaseFrequency(rows[i]); |
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[2963] | 512 | uInt wnchan = 0; |
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| 513 | for (uInt ichan = 0; ichan < nchanTsys; ++ichan) { |
---|
| 514 | if (fwork_p[ichan] == 0) { |
---|
| 515 | xwork_p[wnchan] = ftsys.data()[ichan]; |
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| 516 | ywork_p[wnchan] = yt[ichan]; |
---|
| 517 | ++wnchan; |
---|
| 518 | } |
---|
| 519 | } |
---|
| 520 | //interpolatorF_->setY(yt, nchanTsys); |
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| 521 | interpolatorF_->setData(xwork_p, ywork_p, wnchan); |
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[2720] | 522 | for (uInt ichan = 0; ichan < nchanSp; ichan++) { |
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[2733] | 523 | iTsys[ichan] = interpolatorF_->interpolate(fsp[ichan]); |
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[2720] | 524 | } |
---|
| 525 | } |
---|
| 526 | } |
---|
| 527 | else { |
---|
[2759] | 528 | Vector<Float> tsysInRow = tsysCol(irow); |
---|
| 529 | if (tsysInRow.nelements() == 1) { |
---|
| 530 | iTsys = tsysInRow[0]; |
---|
| 531 | } |
---|
| 532 | else { |
---|
[2862] | 533 | for (uInt ichan = 0; ichan < tsysInRow.nelements(); ++ichan) |
---|
[2759] | 534 | iTsys[ichan] = tsysInRow[ichan]; |
---|
| 535 | } |
---|
[2720] | 536 | } |
---|
[2862] | 537 | //os_ << "iTsys=" << iTsys[0] << LogIO::POST; |
---|
[2720] | 538 | calibrator_->setScaler(iTsys); |
---|
| 539 | |
---|
| 540 | // do calibration |
---|
| 541 | calibrator_->calibrate(); |
---|
| 542 | |
---|
| 543 | // update table |
---|
[2862] | 544 | //os_ << "calibrated=" << calibrator_->getCalibrated()[0] << LogIO::POST; |
---|
[2720] | 545 | spCol.put(irow, calibrator_->getCalibrated()); |
---|
[2960] | 546 | flCol.put(irow, flag); |
---|
[2742] | 547 | if (filltsys) |
---|
| 548 | tsysCol.put(irow, iTsys); |
---|
[2720] | 549 | } |
---|
| 550 | |
---|
| 551 | |
---|
| 552 | // reset selection on apply tables |
---|
| 553 | for (uInt i = 0; i < skylist.nelements(); i++) |
---|
| 554 | skytable_[i]->unsetSelection(); |
---|
| 555 | for (uInt i = 0; i < tsystable_.size(); i++) |
---|
| 556 | tsystable_[i]->unsetSelection(); |
---|
| 557 | |
---|
| 558 | |
---|
| 559 | // reset interpolator |
---|
| 560 | interpolatorS_->reset(); |
---|
| 561 | interpolatorF_->reset(); |
---|
| 562 | interpolatorT_->reset(); |
---|
| 563 | } |
---|
| 564 | |
---|
| 565 | uInt STApplyCal::getIFForTsys(uInt to) |
---|
| 566 | { |
---|
| 567 | for (map<casa::uInt, Vector<uInt> >::iterator i = spwmap_.begin(); |
---|
| 568 | i != spwmap_.end(); i++) { |
---|
| 569 | Vector<uInt> tolist = i->second; |
---|
[2735] | 570 | os_ << "from=" << i->first << ": tolist=" << tolist << LogIO::POST; |
---|
[2720] | 571 | for (uInt j = 0; j < tolist.nelements(); j++) { |
---|
| 572 | if (tolist[j] == to) |
---|
| 573 | return i->first; |
---|
| 574 | } |
---|
| 575 | } |
---|
| 576 | return (uInt)-1; |
---|
| 577 | } |
---|
| 578 | |
---|
| 579 | void STApplyCal::save(const String &name) |
---|
| 580 | { |
---|
[2756] | 581 | //assert(!work_.null()); |
---|
| 582 | assert_<AipsError>(!work_.null(),"You have to execute apply method first."); |
---|
[2720] | 583 | |
---|
| 584 | work_->setSelection(sel_); |
---|
| 585 | work_->makePersistent(name); |
---|
| 586 | work_->unsetSelection(); |
---|
| 587 | } |
---|
| 588 | |
---|
| 589 | Vector<Double> STApplyCal::getBaseFrequency(uInt whichrow) |
---|
| 590 | { |
---|
[2756] | 591 | //assert(whichrow <= (uInt)work_->nrow()); |
---|
| 592 | assert_<AipsError>(whichrow <= (uInt)work_->nrow(),"row index out of range."); |
---|
[2720] | 593 | ROTableColumn col(work_->table(), "IFNO"); |
---|
| 594 | uInt ifno = col.asuInt(whichrow); |
---|
| 595 | col.attach(work_->table(), "FREQ_ID"); |
---|
| 596 | uInt freqid = col.asuInt(whichrow); |
---|
| 597 | uInt nc = work_->nchan(ifno); |
---|
| 598 | STFrequencies ftab = work_->frequencies(); |
---|
| 599 | Double rp, rf, inc; |
---|
| 600 | ftab.getEntry(rp, rf, inc, freqid); |
---|
| 601 | Vector<Double> r(nc); |
---|
| 602 | indgen(r, rf-rp*inc, inc); |
---|
| 603 | return r; |
---|
| 604 | } |
---|
| 605 | |
---|
[2727] | 606 | void STApplyCal::initInterpolator() |
---|
| 607 | { |
---|
[2735] | 608 | os_.origin(LogOrigin("STApplyCal","initInterpolator",WHERE)); |
---|
[2727] | 609 | int order = (order_ > 0) ? order_ : 1; |
---|
[2735] | 610 | switch (iTime_) { |
---|
[2727] | 611 | case STCalEnum::NearestInterpolation: |
---|
| 612 | { |
---|
| 613 | os_ << "use NearestInterpolator in time axis" << LogIO::POST; |
---|
[2733] | 614 | interpolatorS_ = new NearestInterpolator1D<Double, Float>(); |
---|
| 615 | interpolatorT_ = new NearestInterpolator1D<Double, Float>(); |
---|
[2727] | 616 | break; |
---|
| 617 | } |
---|
| 618 | case STCalEnum::LinearInterpolation: |
---|
| 619 | { |
---|
| 620 | os_ << "use BufferedLinearInterpolator in time axis" << LogIO::POST; |
---|
[2733] | 621 | interpolatorS_ = new BufferedLinearInterpolator1D<Double, Float>(); |
---|
| 622 | interpolatorT_ = new BufferedLinearInterpolator1D<Double, Float>(); |
---|
[2727] | 623 | break; |
---|
| 624 | } |
---|
| 625 | case STCalEnum::CubicSplineInterpolation: |
---|
| 626 | { |
---|
| 627 | os_ << "use CubicSplineInterpolator in time axis" << LogIO::POST; |
---|
[2733] | 628 | interpolatorS_ = new CubicSplineInterpolator1D<Double, Float>(); |
---|
| 629 | interpolatorT_ = new CubicSplineInterpolator1D<Double, Float>(); |
---|
[2727] | 630 | break; |
---|
| 631 | } |
---|
| 632 | case STCalEnum::PolynomialInterpolation: |
---|
| 633 | { |
---|
| 634 | os_ << "use PolynomialInterpolator in time axis" << LogIO::POST; |
---|
| 635 | if (order == 0) { |
---|
[2733] | 636 | interpolatorS_ = new NearestInterpolator1D<Double, Float>(); |
---|
| 637 | interpolatorT_ = new NearestInterpolator1D<Double, Float>(); |
---|
[2727] | 638 | } |
---|
| 639 | else { |
---|
[2733] | 640 | interpolatorS_ = new PolynomialInterpolator1D<Double, Float>(); |
---|
| 641 | interpolatorT_ = new PolynomialInterpolator1D<Double, Float>(); |
---|
[2727] | 642 | interpolatorS_->setOrder(order); |
---|
| 643 | interpolatorT_->setOrder(order); |
---|
| 644 | } |
---|
| 645 | break; |
---|
| 646 | } |
---|
| 647 | default: |
---|
| 648 | { |
---|
| 649 | os_ << "use BufferedLinearInterpolator in time axis" << LogIO::POST; |
---|
[2733] | 650 | interpolatorS_ = new BufferedLinearInterpolator1D<Double, Float>(); |
---|
| 651 | interpolatorT_ = new BufferedLinearInterpolator1D<Double, Float>(); |
---|
[2727] | 652 | break; |
---|
| 653 | } |
---|
| 654 | } |
---|
| 655 | |
---|
[2735] | 656 | switch (iFreq_) { |
---|
[2727] | 657 | case STCalEnum::NearestInterpolation: |
---|
| 658 | { |
---|
| 659 | os_ << "use NearestInterpolator in frequency axis" << LogIO::POST; |
---|
[2733] | 660 | interpolatorF_ = new NearestInterpolator1D<Double, Float>(); |
---|
[2727] | 661 | break; |
---|
| 662 | } |
---|
| 663 | case STCalEnum::LinearInterpolation: |
---|
| 664 | { |
---|
| 665 | os_ << "use BufferedLinearInterpolator in frequency axis" << LogIO::POST; |
---|
[2733] | 666 | interpolatorF_ = new BufferedLinearInterpolator1D<Double, Float>(); |
---|
[2727] | 667 | break; |
---|
| 668 | } |
---|
| 669 | case STCalEnum::CubicSplineInterpolation: |
---|
| 670 | { |
---|
| 671 | os_ << "use CubicSplineInterpolator in frequency axis" << LogIO::POST; |
---|
[2733] | 672 | interpolatorF_ = new CubicSplineInterpolator1D<Double, Float>(); |
---|
[2727] | 673 | break; |
---|
| 674 | } |
---|
| 675 | case STCalEnum::PolynomialInterpolation: |
---|
| 676 | { |
---|
| 677 | os_ << "use PolynomialInterpolator in frequency axis" << LogIO::POST; |
---|
| 678 | if (order == 0) { |
---|
[2733] | 679 | interpolatorF_ = new NearestInterpolator1D<Double, Float>(); |
---|
[2727] | 680 | } |
---|
| 681 | else { |
---|
[2733] | 682 | interpolatorF_ = new PolynomialInterpolator1D<Double, Float>(); |
---|
[2727] | 683 | interpolatorF_->setOrder(order); |
---|
| 684 | } |
---|
| 685 | break; |
---|
| 686 | } |
---|
| 687 | default: |
---|
| 688 | { |
---|
| 689 | os_ << "use LinearInterpolator in frequency axis" << LogIO::POST; |
---|
[2733] | 690 | interpolatorF_ = new BufferedLinearInterpolator1D<Double, Float>(); |
---|
[2727] | 691 | break; |
---|
| 692 | } |
---|
| 693 | } |
---|
[2720] | 694 | } |
---|
[2963] | 695 | |
---|
[2727] | 696 | } |
---|