[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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| 47 | namespace asap { |
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| 48 | |
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| 49 | STApplyCal::STApplyCal() |
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| 50 | { |
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| 51 | init(); |
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| 52 | } |
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| 53 | |
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| 54 | STApplyCal::STApplyCal(CountedPtr<Scantable> target) |
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| 55 | : target_(target) |
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| 56 | { |
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| 57 | init(); |
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| 58 | } |
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| 59 | |
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| 60 | STApplyCal::~STApplyCal() |
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| 61 | { |
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| 62 | } |
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| 63 | |
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| 64 | void STApplyCal::init() |
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| 65 | { |
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| 66 | caltype_ = STCalEnum::NoType; |
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| 67 | doTsys_ = False; |
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[2742] | 68 | iTime_ = STCalEnum::DefaultInterpolation; |
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| 69 | iFreq_ = STCalEnum::DefaultInterpolation; |
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[2720] | 70 | } |
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| 71 | |
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[2735] | 72 | void STApplyCal::reset() |
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| 73 | { |
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[2742] | 74 | // call init |
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| 75 | init(); |
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| 76 | |
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| 77 | // clear apply tables |
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| 78 | // do not delete object here |
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| 79 | skytable_.resize(0); |
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| 80 | tsystable_.resize(0); |
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| 81 | |
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| 82 | // clear mapping for Tsys transfer |
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| 83 | spwmap_.clear(); |
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| 84 | |
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| 85 | // reset selector |
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| 86 | sel_.reset(); |
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| 87 | |
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| 88 | // delete interpolators |
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| 89 | interpolatorT_ = 0; |
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| 90 | interpolatorS_ = 0; |
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| 91 | interpolatorF_ = 0; |
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| 92 | |
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| 93 | // clear working scantable |
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| 94 | work_ = 0; |
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| 95 | |
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| 96 | // clear calibrator |
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| 97 | calibrator_ = 0; |
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[2735] | 98 | } |
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| 99 | |
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| 100 | void STApplyCal::completeReset() |
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| 101 | { |
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| 102 | reset(); |
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| 103 | target_ = 0; |
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| 104 | } |
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| 105 | |
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[2720] | 106 | void STApplyCal::setTarget(CountedPtr<Scantable> target) |
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| 107 | { |
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| 108 | target_ = target; |
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| 109 | } |
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| 110 | |
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| 111 | void STApplyCal::setTarget(const String &name) |
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| 112 | { |
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| 113 | // always create PlainTable |
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| 114 | target_ = new Scantable(name, Table::Plain); |
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| 115 | } |
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| 116 | |
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| 117 | void STApplyCal::push(STCalSkyTable *table) |
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| 118 | { |
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[2735] | 119 | os_.origin(LogOrigin("STApplyCal","push",WHERE)); |
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[2720] | 120 | skytable_.push_back(table); |
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| 121 | STCalEnum::CalType caltype = STApplyTable::getCalType(table); |
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| 122 | os_ << "caltype=" << caltype << LogIO::POST; |
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| 123 | if (caltype_ == STCalEnum::NoType || |
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| 124 | caltype_ == STCalEnum::DefaultType || |
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| 125 | caltype_ == STCalEnum::CalTsys) { |
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| 126 | caltype_ = caltype; |
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| 127 | } |
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| 128 | os_ << "caltype_=" << caltype_ << LogIO::POST; |
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| 129 | } |
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| 130 | |
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| 131 | void STApplyCal::push(STCalTsysTable *table) |
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| 132 | { |
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| 133 | tsystable_.push_back(table); |
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| 134 | doTsys_ = True; |
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| 135 | } |
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| 136 | |
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[2735] | 137 | void STApplyCal::setTimeInterpolation(STCalEnum::InterpolationType itype, Int order) |
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[2720] | 138 | { |
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[2735] | 139 | iTime_ = itype; |
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[2720] | 140 | order_ = order; |
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| 141 | } |
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| 142 | |
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[2735] | 143 | void STApplyCal::setFrequencyInterpolation(STCalEnum::InterpolationType itype, Int order) |
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| 144 | { |
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| 145 | iFreq_ = itype; |
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| 146 | order_ = order; |
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| 147 | } |
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| 148 | |
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[2720] | 149 | void STApplyCal::setTsysTransfer(uInt from, Vector<uInt> to) |
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| 150 | { |
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[2735] | 151 | os_.origin(LogOrigin("STApplyCal","setTsysTransfer",WHERE)); |
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[2720] | 152 | os_ << "from=" << from << ", to=" << to << LogIO::POST; |
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| 153 | map<uInt, Vector<uInt> >::iterator i = spwmap_.find(from); |
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| 154 | if (i == spwmap_.end()) { |
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| 155 | spwmap_.insert(pair<uInt, Vector<uInt> >(from, to)); |
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| 156 | } |
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| 157 | else { |
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| 158 | Vector<uInt> toNew = i->second; |
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| 159 | spwmap_.erase(i); |
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| 160 | uInt k = toNew.nelements(); |
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| 161 | toNew.resize(k+to.nelements(), True); |
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| 162 | for (uInt i = 0; i < to.nelements(); i++) |
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| 163 | toNew[i+k] = to[i]; |
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| 164 | spwmap_.insert(pair<uInt, Vector<uInt> >(from, toNew)); |
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| 165 | } |
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| 166 | } |
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| 167 | |
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[2742] | 168 | void STApplyCal::apply(Bool insitu, Bool filltsys) |
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[2720] | 169 | { |
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[2735] | 170 | os_.origin(LogOrigin("STApplyCal","apply",WHERE)); |
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[2750] | 171 | |
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[2756] | 172 | //assert(!target_.null()); |
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| 173 | assert_<AipsError>(!target_.null(),"You have to set target scantable first."); |
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[2750] | 174 | |
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[2720] | 175 | // calibrator |
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| 176 | if (caltype_ == STCalEnum::CalPSAlma) |
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| 177 | calibrator_ = new PSAlmaCalibrator(); |
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| 178 | |
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| 179 | // interpolator |
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[2727] | 180 | initInterpolator(); |
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[2720] | 181 | |
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| 182 | // select data |
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| 183 | sel_.reset(); |
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[2806] | 184 | sel_ = target_->getSelection(); |
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[2720] | 185 | if (caltype_ == STCalEnum::CalPSAlma || |
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| 186 | caltype_ == STCalEnum::CalPS) { |
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| 187 | sel_.setTypes(vector<int>(1,(int)SrcType::PSON)); |
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| 188 | } |
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| 189 | target_->setSelection(sel_); |
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| 190 | |
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[2735] | 191 | //os_ << "sel_.print()=" << sel_.print() << LogIO::POST; |
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[2720] | 192 | |
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| 193 | // working data |
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[2750] | 194 | if (insitu) { |
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| 195 | os_.origin(LogOrigin("STApplyCal","apply",WHERE)); |
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| 196 | os_ << "Overwrite input scantable" << LogIO::POST; |
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[2720] | 197 | work_ = target_; |
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[2750] | 198 | } |
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| 199 | else { |
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| 200 | os_.origin(LogOrigin("STApplyCal","apply",WHERE)); |
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| 201 | os_ << "Create output scantable from input" << LogIO::POST; |
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[2720] | 202 | work_ = new Scantable(*target_, false); |
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[2750] | 203 | } |
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[2720] | 204 | |
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[2735] | 205 | //os_ << "work_->nrow()=" << work_->nrow() << LogIO::POST; |
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[2720] | 206 | |
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| 207 | // list of apply tables for sky calibration |
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| 208 | Vector<uInt> skycalList; |
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| 209 | uInt numSkyCal = 0; |
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| 210 | uInt nrowSky = 0; |
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[2735] | 211 | |
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[2720] | 212 | // list of apply tables for Tsys calibration |
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| 213 | for (uInt i = 0 ; i < skytable_.size(); i++) { |
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| 214 | STCalEnum::CalType caltype = STApplyTable::getCalType(skytable_[i]); |
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| 215 | if (caltype == caltype_) { |
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| 216 | skycalList.resize(numSkyCal+1, True); |
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| 217 | skycalList[numSkyCal] = i; |
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| 218 | numSkyCal++; |
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| 219 | nrowSky += skytable_[i]->nrow(); |
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| 220 | } |
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| 221 | } |
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| 222 | |
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| 223 | |
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| 224 | vector<string> cols( 3 ) ; |
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| 225 | cols[0] = "BEAMNO" ; |
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| 226 | cols[1] = "POLNO" ; |
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| 227 | cols[2] = "IFNO" ; |
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[2916] | 228 | CountedPtr<STIdxIter2> iter = new STIdxIter2(work_, cols) ; |
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[2925] | 229 | double start = mathutil::gettimeofday_sec(); |
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| 230 | os_ << LogIO::DEBUGGING << "start iterative doapply: " << start << LogIO::POST; |
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[2720] | 231 | while (!iter->pastEnd()) { |
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[2916] | 232 | Record ids = iter->currentValue(); |
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[2720] | 233 | Vector<uInt> rows = iter->getRows(SHARE); |
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| 234 | if (rows.nelements() > 0) |
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[2916] | 235 | doapply(ids.asuInt("BEAMNO"), ids.asuInt("IFNO"), ids.asuInt("POLNO"), rows, skycalList, filltsys); |
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[2720] | 236 | iter->next(); |
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| 237 | } |
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[2925] | 238 | double end = mathutil::gettimeofday_sec(); |
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| 239 | os_ << LogIO::DEBUGGING << "end iterative doapply: " << end << LogIO::POST; |
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| 240 | os_ << LogIO::DEBUGGING << "elapsed time for doapply: " << end - start << " sec" << LogIO::POST; |
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[2720] | 241 | |
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| 242 | target_->unsetSelection(); |
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| 243 | } |
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| 244 | |
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| 245 | void STApplyCal::doapply(uInt beamno, uInt ifno, uInt polno, |
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| 246 | Vector<uInt> &rows, |
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[2742] | 247 | Vector<uInt> &skylist, |
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| 248 | Bool filltsys) |
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[2720] | 249 | { |
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[2735] | 250 | os_.origin(LogOrigin("STApplyCal","doapply",WHERE)); |
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[2720] | 251 | Bool doTsys = doTsys_; |
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| 252 | |
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| 253 | STSelector sel; |
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| 254 | vector<int> id(1); |
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| 255 | id[0] = beamno; |
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| 256 | sel.setBeams(id); |
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| 257 | id[0] = ifno; |
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| 258 | sel.setIFs(id); |
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| 259 | id[0] = polno; |
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| 260 | sel.setPolarizations(id); |
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| 261 | |
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| 262 | // apply selection to apply tables |
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| 263 | uInt nrowSky = 0; |
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| 264 | uInt nrowTsys = 0; |
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| 265 | for (uInt i = 0; i < skylist.nelements(); i++) { |
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| 266 | skytable_[skylist[i]]->setSelection(sel); |
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| 267 | nrowSky += skytable_[skylist[i]]->nrow(); |
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| 268 | os_ << "nrowSky=" << nrowSky << LogIO::POST; |
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| 269 | } |
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[2806] | 270 | |
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| 271 | // Skip IFNO without sky data |
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| 272 | if (nrowSky == 0) |
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| 273 | return; |
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| 274 | |
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[2720] | 275 | uInt nchanTsys = 0; |
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| 276 | Vector<Double> ftsys; |
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| 277 | uInt tsysifno = getIFForTsys(ifno); |
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[2758] | 278 | os_ << "tsysifno=" << (Int)tsysifno << LogIO::POST; |
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[2720] | 279 | if (tsystable_.size() == 0) { |
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| 280 | os_.origin(LogOrigin("STApplyTable", "doapply", WHERE)); |
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| 281 | os_ << "No Tsys tables are given. Skip Tsys calibratoin." << LogIO::POST; |
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| 282 | doTsys = False; |
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| 283 | } |
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| 284 | else if (tsysifno == (uInt)-1) { |
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| 285 | os_.origin(LogOrigin("STApplyTable", "doapply", WHERE)); |
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| 286 | os_ << "No corresponding Tsys for IFNO " << ifno << ". Skip Tsys calibration" << LogIO::POST; |
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| 287 | doTsys = False; |
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| 288 | } |
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| 289 | else { |
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| 290 | id[0] = (int)tsysifno; |
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| 291 | sel.setIFs(id); |
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| 292 | for (uInt i = 0; i < tsystable_.size() ; i++) { |
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| 293 | tsystable_[i]->setSelection(sel); |
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[2848] | 294 | uInt nrowThisTsys = tsystable_[i]->nrow(); |
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| 295 | nrowTsys += nrowThisTsys; |
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| 296 | if (nrowThisTsys > 0 and nchanTsys == 0) { |
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| 297 | nchanTsys = tsystable_[i]->nchan(tsysifno); |
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| 298 | ftsys = tsystable_[i]->getBaseFrequency(0); |
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| 299 | } |
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[2720] | 300 | } |
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[2848] | 301 | interpolatorF_->setX(ftsys.data(), nchanTsys); |
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[2720] | 302 | } |
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| 303 | |
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| 304 | uInt nchanSp = skytable_[skylist[0]]->nchan(ifno); |
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| 305 | Vector<Double> timeSky(nrowSky); |
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[2925] | 306 | Matrix<Float> spoff(nrowSky, nchanSp); |
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[2720] | 307 | Vector<Float> iOff(nchanSp); |
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| 308 | nrowSky = 0; |
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| 309 | for (uInt i = 0 ; i < skylist.nelements(); i++) { |
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| 310 | STCalSkyTable *p = skytable_[skylist[i]]; |
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| 311 | Vector<Double> t = p->getTime(); |
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| 312 | Matrix<Float> sp = p->getSpectra(); |
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| 313 | for (uInt j = 0; j < t.nelements(); j++) { |
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| 314 | timeSky[nrowSky] = t[j]; |
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[2925] | 315 | spoff.row(nrowSky) = sp.column(j); |
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[2720] | 316 | nrowSky++; |
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| 317 | } |
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| 318 | } |
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| 319 | |
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| 320 | Vector<uInt> skyIdx = timeSort(timeSky); |
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| 321 | |
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[2733] | 322 | Double *xa = new Double[skyIdx.nelements()]; |
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| 323 | Float *ya = new Float[skyIdx.nelements()]; |
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[2720] | 324 | IPosition ipos(1, skyIdx.nelements()); |
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[2733] | 325 | Vector<Double> timeSkySorted(ipos, xa, TAKE_OVER); |
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[2720] | 326 | Vector<Float> tmpOff(ipos, ya, TAKE_OVER); |
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| 327 | for (uInt i = 0 ; i < skyIdx.nelements(); i++) { |
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[2733] | 328 | timeSkySorted[i] = timeSky[skyIdx[i]]; |
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[2720] | 329 | } |
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| 330 | |
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| 331 | interpolatorS_->setX(xa, skyIdx.nelements()); |
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| 332 | |
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| 333 | Vector<uInt> tsysIdx; |
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| 334 | Vector<Double> timeTsys(nrowTsys); |
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| 335 | Matrix<Float> tsys; |
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[2733] | 336 | Vector<Double> timeTsysSorted; |
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[2720] | 337 | Vector<Float> tmpTsys; |
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| 338 | if (doTsys) { |
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[2758] | 339 | //os_ << "doTsys" << LogIO::POST; |
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[2720] | 340 | timeTsys.resize(nrowTsys); |
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[2925] | 341 | tsys.resize(nrowTsys, nchanTsys); |
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[2720] | 342 | nrowTsys = 0; |
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| 343 | for (uInt i = 0 ; i < tsystable_.size(); i++) { |
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| 344 | STCalTsysTable *p = tsystable_[i]; |
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| 345 | Vector<Double> t = p->getTime(); |
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| 346 | Matrix<Float> ts = p->getTsys(); |
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| 347 | for (uInt j = 0; j < t.nelements(); j++) { |
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| 348 | timeTsys[nrowTsys] = t[j]; |
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[2925] | 349 | tsys.row(nrowTsys) = ts.column(j); |
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[2720] | 350 | nrowTsys++; |
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| 351 | } |
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| 352 | } |
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| 353 | tsysIdx = timeSort(timeTsys); |
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| 354 | |
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[2733] | 355 | Double *xb = new Double[tsysIdx.nelements()]; |
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| 356 | Float *yb = new Float[tsysIdx.nelements()]; |
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[2720] | 357 | IPosition ipos(1, tsysIdx.nelements()); |
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| 358 | timeTsysSorted.takeStorage(ipos, xb, TAKE_OVER); |
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| 359 | tmpTsys.takeStorage(ipos, yb, TAKE_OVER); |
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| 360 | for (uInt i = 0 ; i < tsysIdx.nelements(); i++) { |
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[2733] | 361 | timeTsysSorted[i] = timeTsys[tsysIdx[i]]; |
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[2720] | 362 | } |
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| 363 | interpolatorT_->setX(xb, tsysIdx.nelements()); |
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| 364 | } |
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| 365 | |
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| 366 | Table tab = work_->table(); |
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| 367 | ArrayColumn<Float> spCol(tab, "SPECTRA"); |
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[2735] | 368 | ArrayColumn<Float> tsysCol(tab, "TSYS"); |
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[2720] | 369 | ScalarColumn<Double> timeCol(tab, "TIME"); |
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| 370 | Vector<Float> on; |
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[2925] | 371 | |
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| 372 | // Array for scaling factor (aka Tsys) |
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| 373 | Vector<Float> iTsys(IPosition(1,nchanSp), new Float[nchanSp], TAKE_OVER); |
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| 374 | |
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[2720] | 375 | for (uInt i = 0; i < rows.nelements(); i++) { |
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[2758] | 376 | //os_ << "start i = " << i << " (row = " << rows[i] << ")" << LogIO::POST; |
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[2720] | 377 | uInt irow = rows[i]; |
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| 378 | |
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| 379 | // target spectral data |
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| 380 | on = spCol(irow); |
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[2862] | 381 | //os_ << "on=" << on[0] << LogIO::POST; |
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[2720] | 382 | calibrator_->setSource(on); |
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| 383 | |
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| 384 | // interpolation |
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[2733] | 385 | Double t0 = timeCol(irow); |
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[2720] | 386 | for (uInt ichan = 0; ichan < nchanSp; ichan++) { |
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| 387 | for (uInt j = 0; j < skyIdx.nelements(); j++) { |
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[2925] | 388 | tmpOff[j] = spoff(skyIdx[j], ichan); |
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[2720] | 389 | } |
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| 390 | interpolatorS_->setY(ya, skyIdx.nelements()); |
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| 391 | iOff[ichan] = interpolatorS_->interpolate(t0); |
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| 392 | } |
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[2862] | 393 | //os_ << "iOff=" << iOff[0] << LogIO::POST; |
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[2720] | 394 | calibrator_->setReference(iOff); |
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| 395 | |
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| 396 | if (doTsys) { |
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| 397 | // Tsys correction |
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[2733] | 398 | Float *yt = new Float[nchanTsys]; |
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[2720] | 399 | Vector<Float> iTsysT(IPosition(1,nchanTsys), yt, TAKE_OVER); |
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[2733] | 400 | Float *yb = tmpTsys.data(); |
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[2720] | 401 | for (uInt ichan = 0; ichan < nchanTsys; ichan++) { |
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| 402 | for (uInt j = 0; j < tsysIdx.nelements(); j++) { |
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[2925] | 403 | tmpTsys[j] = tsys(tsysIdx[j], ichan); |
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[2720] | 404 | } |
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| 405 | interpolatorT_->setY(yb, tsysIdx.nelements()); |
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| 406 | iTsysT[ichan] = interpolatorT_->interpolate(t0); |
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| 407 | } |
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| 408 | if (nchanSp == 1) { |
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| 409 | // take average |
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| 410 | iTsys[0] = mean(iTsysT); |
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| 411 | } |
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| 412 | else { |
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| 413 | // interpolation on frequency axis |
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| 414 | Vector<Double> fsp = getBaseFrequency(rows[i]); |
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| 415 | interpolatorF_->setY(yt, nchanTsys); |
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| 416 | for (uInt ichan = 0; ichan < nchanSp; ichan++) { |
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[2733] | 417 | iTsys[ichan] = interpolatorF_->interpolate(fsp[ichan]); |
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[2720] | 418 | } |
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| 419 | } |
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| 420 | } |
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| 421 | else { |
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[2759] | 422 | Vector<Float> tsysInRow = tsysCol(irow); |
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| 423 | if (tsysInRow.nelements() == 1) { |
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| 424 | iTsys = tsysInRow[0]; |
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| 425 | } |
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| 426 | else { |
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[2862] | 427 | for (uInt ichan = 0; ichan < tsysInRow.nelements(); ++ichan) |
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[2759] | 428 | iTsys[ichan] = tsysInRow[ichan]; |
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| 429 | } |
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[2720] | 430 | } |
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[2862] | 431 | //os_ << "iTsys=" << iTsys[0] << LogIO::POST; |
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[2720] | 432 | calibrator_->setScaler(iTsys); |
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| 433 | |
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| 434 | // do calibration |
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| 435 | calibrator_->calibrate(); |
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| 436 | |
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| 437 | // update table |
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[2862] | 438 | //os_ << "calibrated=" << calibrator_->getCalibrated()[0] << LogIO::POST; |
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[2720] | 439 | spCol.put(irow, calibrator_->getCalibrated()); |
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[2742] | 440 | if (filltsys) |
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| 441 | tsysCol.put(irow, iTsys); |
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[2720] | 442 | } |
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| 443 | |
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| 444 | |
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| 445 | // reset selection on apply tables |
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| 446 | for (uInt i = 0; i < skylist.nelements(); i++) |
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| 447 | skytable_[i]->unsetSelection(); |
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| 448 | for (uInt i = 0; i < tsystable_.size(); i++) |
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| 449 | tsystable_[i]->unsetSelection(); |
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| 450 | |
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| 451 | |
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| 452 | // reset interpolator |
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| 453 | interpolatorS_->reset(); |
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| 454 | interpolatorF_->reset(); |
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| 455 | interpolatorT_->reset(); |
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| 456 | } |
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| 457 | |
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| 458 | Vector<uInt> STApplyCal::timeSort(Vector<Double> &t) |
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| 459 | { |
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| 460 | Sort sort; |
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| 461 | sort.sortKey(&t[0], TpDouble, 0, Sort::Ascending); |
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| 462 | Vector<uInt> idx; |
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| 463 | sort.sort(idx, t.nelements(), Sort::QuickSort|Sort::NoDuplicates); |
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| 464 | return idx; |
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| 465 | } |
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| 466 | |
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| 467 | uInt STApplyCal::getIFForTsys(uInt to) |
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| 468 | { |
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| 469 | for (map<casa::uInt, Vector<uInt> >::iterator i = spwmap_.begin(); |
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| 470 | i != spwmap_.end(); i++) { |
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| 471 | Vector<uInt> tolist = i->second; |
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[2735] | 472 | os_ << "from=" << i->first << ": tolist=" << tolist << LogIO::POST; |
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[2720] | 473 | for (uInt j = 0; j < tolist.nelements(); j++) { |
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| 474 | if (tolist[j] == to) |
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| 475 | return i->first; |
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| 476 | } |
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| 477 | } |
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| 478 | return (uInt)-1; |
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| 479 | } |
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| 480 | |
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| 481 | void STApplyCal::save(const String &name) |
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| 482 | { |
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[2756] | 483 | //assert(!work_.null()); |
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| 484 | assert_<AipsError>(!work_.null(),"You have to execute apply method first."); |
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[2720] | 485 | |
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| 486 | work_->setSelection(sel_); |
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| 487 | work_->makePersistent(name); |
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| 488 | work_->unsetSelection(); |
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| 489 | } |
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| 490 | |
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| 491 | Vector<Double> STApplyCal::getBaseFrequency(uInt whichrow) |
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| 492 | { |
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[2756] | 493 | //assert(whichrow <= (uInt)work_->nrow()); |
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| 494 | assert_<AipsError>(whichrow <= (uInt)work_->nrow(),"row index out of range."); |
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[2720] | 495 | ROTableColumn col(work_->table(), "IFNO"); |
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| 496 | uInt ifno = col.asuInt(whichrow); |
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| 497 | col.attach(work_->table(), "FREQ_ID"); |
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| 498 | uInt freqid = col.asuInt(whichrow); |
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| 499 | uInt nc = work_->nchan(ifno); |
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| 500 | STFrequencies ftab = work_->frequencies(); |
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| 501 | Double rp, rf, inc; |
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| 502 | ftab.getEntry(rp, rf, inc, freqid); |
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| 503 | Vector<Double> r(nc); |
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| 504 | indgen(r, rf-rp*inc, inc); |
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| 505 | return r; |
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| 506 | } |
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| 507 | |
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[2727] | 508 | void STApplyCal::initInterpolator() |
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| 509 | { |
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[2735] | 510 | os_.origin(LogOrigin("STApplyCal","initInterpolator",WHERE)); |
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[2727] | 511 | int order = (order_ > 0) ? order_ : 1; |
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[2735] | 512 | switch (iTime_) { |
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[2727] | 513 | case STCalEnum::NearestInterpolation: |
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| 514 | { |
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| 515 | os_ << "use NearestInterpolator in time axis" << LogIO::POST; |
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[2733] | 516 | interpolatorS_ = new NearestInterpolator1D<Double, Float>(); |
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| 517 | interpolatorT_ = new NearestInterpolator1D<Double, Float>(); |
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[2727] | 518 | break; |
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| 519 | } |
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| 520 | case STCalEnum::LinearInterpolation: |
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| 521 | { |
---|
| 522 | os_ << "use BufferedLinearInterpolator in time axis" << LogIO::POST; |
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[2733] | 523 | interpolatorS_ = new BufferedLinearInterpolator1D<Double, Float>(); |
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| 524 | interpolatorT_ = new BufferedLinearInterpolator1D<Double, Float>(); |
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[2727] | 525 | break; |
---|
| 526 | } |
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| 527 | case STCalEnum::CubicSplineInterpolation: |
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| 528 | { |
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| 529 | os_ << "use CubicSplineInterpolator in time axis" << LogIO::POST; |
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[2733] | 530 | interpolatorS_ = new CubicSplineInterpolator1D<Double, Float>(); |
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| 531 | interpolatorT_ = new CubicSplineInterpolator1D<Double, Float>(); |
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[2727] | 532 | break; |
---|
| 533 | } |
---|
| 534 | case STCalEnum::PolynomialInterpolation: |
---|
| 535 | { |
---|
| 536 | os_ << "use PolynomialInterpolator in time axis" << LogIO::POST; |
---|
| 537 | if (order == 0) { |
---|
[2733] | 538 | interpolatorS_ = new NearestInterpolator1D<Double, Float>(); |
---|
| 539 | interpolatorT_ = new NearestInterpolator1D<Double, Float>(); |
---|
[2727] | 540 | } |
---|
| 541 | else { |
---|
[2733] | 542 | interpolatorS_ = new PolynomialInterpolator1D<Double, Float>(); |
---|
| 543 | interpolatorT_ = new PolynomialInterpolator1D<Double, Float>(); |
---|
[2727] | 544 | interpolatorS_->setOrder(order); |
---|
| 545 | interpolatorT_->setOrder(order); |
---|
| 546 | } |
---|
| 547 | break; |
---|
| 548 | } |
---|
| 549 | default: |
---|
| 550 | { |
---|
| 551 | os_ << "use BufferedLinearInterpolator in time axis" << LogIO::POST; |
---|
[2733] | 552 | interpolatorS_ = new BufferedLinearInterpolator1D<Double, Float>(); |
---|
| 553 | interpolatorT_ = new BufferedLinearInterpolator1D<Double, Float>(); |
---|
[2727] | 554 | break; |
---|
| 555 | } |
---|
| 556 | } |
---|
| 557 | |
---|
[2735] | 558 | switch (iFreq_) { |
---|
[2727] | 559 | case STCalEnum::NearestInterpolation: |
---|
| 560 | { |
---|
| 561 | os_ << "use NearestInterpolator in frequency axis" << LogIO::POST; |
---|
[2733] | 562 | interpolatorF_ = new NearestInterpolator1D<Double, Float>(); |
---|
[2727] | 563 | break; |
---|
| 564 | } |
---|
| 565 | case STCalEnum::LinearInterpolation: |
---|
| 566 | { |
---|
| 567 | os_ << "use BufferedLinearInterpolator in frequency axis" << LogIO::POST; |
---|
[2733] | 568 | interpolatorF_ = new BufferedLinearInterpolator1D<Double, Float>(); |
---|
[2727] | 569 | break; |
---|
| 570 | } |
---|
| 571 | case STCalEnum::CubicSplineInterpolation: |
---|
| 572 | { |
---|
| 573 | os_ << "use CubicSplineInterpolator in frequency axis" << LogIO::POST; |
---|
[2733] | 574 | interpolatorF_ = new CubicSplineInterpolator1D<Double, Float>(); |
---|
[2727] | 575 | break; |
---|
| 576 | } |
---|
| 577 | case STCalEnum::PolynomialInterpolation: |
---|
| 578 | { |
---|
| 579 | os_ << "use PolynomialInterpolator in frequency axis" << LogIO::POST; |
---|
| 580 | if (order == 0) { |
---|
[2733] | 581 | interpolatorF_ = new NearestInterpolator1D<Double, Float>(); |
---|
[2727] | 582 | } |
---|
| 583 | else { |
---|
[2733] | 584 | interpolatorF_ = new PolynomialInterpolator1D<Double, Float>(); |
---|
[2727] | 585 | interpolatorF_->setOrder(order); |
---|
| 586 | } |
---|
| 587 | break; |
---|
| 588 | } |
---|
| 589 | default: |
---|
| 590 | { |
---|
| 591 | os_ << "use LinearInterpolator in frequency axis" << LogIO::POST; |
---|
[2733] | 592 | interpolatorF_ = new BufferedLinearInterpolator1D<Double, Float>(); |
---|
[2727] | 593 | break; |
---|
| 594 | } |
---|
| 595 | } |
---|
[2720] | 596 | } |
---|
[2727] | 597 | } |
---|