[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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| 24 | #include <tables/Tables/Table.h> |
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| 25 | |
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| 26 | #include "Scantable.h" |
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| 27 | #include "STApplyCal.h" |
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| 28 | #include "STApplyTable.h" |
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| 29 | #include "STCalTsysTable.h" |
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| 30 | #include "STCalSkyTable.h" |
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| 31 | #include "STCalEnum.h" |
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| 32 | #include "STIdxIter.h" |
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| 33 | #include "Calibrator.h" |
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| 34 | #include "PSAlmaCalibrator.h" |
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| 35 | #include "NearestInterpolator1D.h" |
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[2727] | 36 | #include "BufferedLinearInterpolator1D.h" |
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| 37 | #include "PolynomialInterpolator1D.h" |
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| 38 | #include "CubicSplineInterpolator1D.h" |
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[2720] | 39 | #include <atnf/PKSIO/SrcType.h> |
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| 40 | |
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| 41 | |
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| 42 | using namespace casa; |
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| 43 | using namespace std; |
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| 44 | |
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| 45 | namespace asap { |
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| 46 | |
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| 47 | STApplyCal::STApplyCal() |
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| 48 | { |
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| 49 | init(); |
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| 50 | } |
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| 51 | |
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| 52 | STApplyCal::STApplyCal(CountedPtr<Scantable> target) |
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| 53 | : target_(target) |
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| 54 | { |
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| 55 | init(); |
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| 56 | } |
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| 57 | |
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| 58 | STApplyCal::~STApplyCal() |
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| 59 | { |
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| 60 | } |
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| 61 | |
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| 62 | void STApplyCal::init() |
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| 63 | { |
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| 64 | caltype_ = STCalEnum::NoType; |
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| 65 | doTsys_ = False; |
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| 66 | interp_.resize((int)STCalEnum::NumAxis); |
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[2727] | 67 | // default is linear interpolation |
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| 68 | for (unsigned int i = 0; i < interp_.size(); i++) { |
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| 69 | interp_[i] = STCalEnum::LinearInterpolation; |
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| 70 | } |
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[2720] | 71 | } |
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| 72 | |
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| 73 | void STApplyCal::setTarget(CountedPtr<Scantable> target) |
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| 74 | { |
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| 75 | target_ = target; |
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| 76 | } |
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| 77 | |
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| 78 | void STApplyCal::setTarget(const String &name) |
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| 79 | { |
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| 80 | // always create PlainTable |
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| 81 | target_ = new Scantable(name, Table::Plain); |
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| 82 | } |
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| 83 | |
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| 84 | void STApplyCal::push(STCalSkyTable *table) |
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| 85 | { |
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| 86 | skytable_.push_back(table); |
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| 87 | STCalEnum::CalType caltype = STApplyTable::getCalType(table); |
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| 88 | os_ << "caltype=" << caltype << LogIO::POST; |
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| 89 | if (caltype_ == STCalEnum::NoType || |
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| 90 | caltype_ == STCalEnum::DefaultType || |
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| 91 | caltype_ == STCalEnum::CalTsys) { |
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| 92 | caltype_ = caltype; |
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| 93 | } |
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| 94 | os_ << "caltype_=" << caltype_ << LogIO::POST; |
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| 95 | } |
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| 96 | |
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| 97 | void STApplyCal::push(STCalTsysTable *table) |
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| 98 | { |
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| 99 | tsystable_.push_back(table); |
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| 100 | doTsys_ = True; |
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| 101 | } |
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| 102 | |
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| 103 | void STApplyCal::setInterpolation(STCalEnum::InterpolationAxis axis, STCalEnum::InterpolationType itype, Int order) |
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| 104 | { |
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| 105 | interp_[(int)axis] = itype; |
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| 106 | order_ = order; |
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| 107 | } |
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| 108 | |
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| 109 | void STApplyCal::setTsysTransfer(uInt from, Vector<uInt> to) |
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| 110 | { |
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| 111 | os_ << "from=" << from << ", to=" << to << LogIO::POST; |
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| 112 | map<uInt, Vector<uInt> >::iterator i = spwmap_.find(from); |
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| 113 | if (i == spwmap_.end()) { |
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| 114 | spwmap_.insert(pair<uInt, Vector<uInt> >(from, to)); |
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| 115 | } |
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| 116 | else { |
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| 117 | Vector<uInt> toNew = i->second; |
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| 118 | spwmap_.erase(i); |
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| 119 | uInt k = toNew.nelements(); |
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| 120 | toNew.resize(k+to.nelements(), True); |
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| 121 | for (uInt i = 0; i < to.nelements(); i++) |
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| 122 | toNew[i+k] = to[i]; |
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| 123 | spwmap_.insert(pair<uInt, Vector<uInt> >(from, toNew)); |
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| 124 | } |
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| 125 | } |
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| 126 | |
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| 127 | void STApplyCal::apply(Bool insitu) |
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| 128 | { |
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| 129 | // calibrator |
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| 130 | if (caltype_ == STCalEnum::CalPSAlma) |
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| 131 | calibrator_ = new PSAlmaCalibrator(); |
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| 132 | |
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| 133 | // interpolator |
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[2727] | 134 | initInterpolator(); |
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[2720] | 135 | |
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| 136 | // select data |
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| 137 | sel_.reset(); |
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| 138 | if (caltype_ == STCalEnum::CalPSAlma || |
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| 139 | caltype_ == STCalEnum::CalPS) { |
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| 140 | sel_.setTypes(vector<int>(1,(int)SrcType::PSON)); |
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| 141 | } |
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| 142 | target_->setSelection(sel_); |
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| 143 | |
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| 144 | os_ << "sel_.print()=" << sel_.print() << LogIO::POST; |
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| 145 | |
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| 146 | // working data |
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| 147 | if (insitu) |
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| 148 | work_ = target_; |
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| 149 | else |
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| 150 | work_ = new Scantable(*target_, false); |
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| 151 | |
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| 152 | os_ << "work_->nrow()=" << work_->nrow() << LogIO::POST; |
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| 153 | |
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| 154 | // list of apply tables for sky calibration |
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| 155 | Vector<uInt> skycalList; |
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| 156 | uInt numSkyCal = 0; |
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| 157 | uInt nrowSky = 0; |
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| 158 | // list of apply tables for Tsys calibration |
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| 159 | // Vector<uInt> tsyscalList; |
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| 160 | |
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| 161 | for (uInt i = 0 ; i < skytable_.size(); i++) { |
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| 162 | STCalEnum::CalType caltype = STApplyTable::getCalType(skytable_[i]); |
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| 163 | if (caltype == caltype_) { |
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| 164 | skycalList.resize(numSkyCal+1, True); |
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| 165 | skycalList[numSkyCal] = i; |
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| 166 | numSkyCal++; |
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| 167 | nrowSky += skytable_[i]->nrow(); |
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| 168 | } |
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| 169 | } |
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| 170 | |
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| 171 | |
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| 172 | vector<string> cols( 3 ) ; |
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| 173 | cols[0] = "BEAMNO" ; |
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| 174 | cols[1] = "POLNO" ; |
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| 175 | cols[2] = "IFNO" ; |
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| 176 | CountedPtr<STIdxIter> iter = new STIdxIterAcc(work_, cols) ; |
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| 177 | while (!iter->pastEnd()) { |
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| 178 | Vector<uInt> ids = iter->current(); |
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| 179 | Vector<uInt> rows = iter->getRows(SHARE); |
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| 180 | os_ << "ids=" << ids << LogIO::POST; |
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| 181 | if (rows.nelements() > 0) |
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| 182 | doapply(ids[0], ids[2], ids[1], rows, skycalList); |
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| 183 | iter->next(); |
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| 184 | } |
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| 185 | |
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| 186 | target_->unsetSelection(); |
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| 187 | } |
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| 188 | |
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| 189 | void STApplyCal::doapply(uInt beamno, uInt ifno, uInt polno, |
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| 190 | Vector<uInt> &rows, |
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| 191 | Vector<uInt> &skylist) |
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| 192 | { |
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| 193 | os_ << "skylist=" << skylist << LogIO::POST; |
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| 194 | os_ << "rows=" << rows << LogIO::POST; |
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| 195 | Bool doTsys = doTsys_; |
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| 196 | |
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| 197 | //STSelector sel = sel_; |
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| 198 | STSelector sel; |
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| 199 | vector<int> id(1); |
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| 200 | id[0] = beamno; |
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| 201 | sel.setBeams(id); |
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| 202 | id[0] = ifno; |
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| 203 | sel.setIFs(id); |
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| 204 | id[0] = polno; |
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| 205 | sel.setPolarizations(id); |
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| 206 | os_ << "sel=" << sel.print() << LogIO::POST; |
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| 207 | |
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| 208 | // apply selection to apply tables |
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| 209 | uInt nrowSky = 0; |
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| 210 | uInt nrowTsys = 0; |
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| 211 | for (uInt i = 0; i < skylist.nelements(); i++) { |
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| 212 | skytable_[skylist[i]]->setSelection(sel); |
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| 213 | nrowSky += skytable_[skylist[i]]->nrow(); |
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| 214 | os_ << "nrowSky=" << nrowSky << LogIO::POST; |
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| 215 | } |
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| 216 | uInt nchanTsys = 0; |
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| 217 | Vector<Double> ftsys; |
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| 218 | uInt tsysifno = getIFForTsys(ifno); |
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| 219 | os_ << "tsysifno=" << tsysifno << LogIO::POST; |
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| 220 | if (tsystable_.size() == 0) { |
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| 221 | os_.origin(LogOrigin("STApplyTable", "doapply", WHERE)); |
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| 222 | os_ << "No Tsys tables are given. Skip Tsys calibratoin." << LogIO::POST; |
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| 223 | doTsys = False; |
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| 224 | } |
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| 225 | else if (tsysifno == (uInt)-1) { |
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| 226 | os_.origin(LogOrigin("STApplyTable", "doapply", WHERE)); |
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| 227 | os_ << "No corresponding Tsys for IFNO " << ifno << ". Skip Tsys calibration" << LogIO::POST; |
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| 228 | doTsys = False; |
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| 229 | } |
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| 230 | else { |
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| 231 | nchanTsys = tsystable_[0]->nchan(tsysifno); |
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| 232 | ftsys = tsystable_[0]->getBaseFrequency(0); |
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| 233 | interpolatorF_->setX(ftsys.data(), nchanTsys); |
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| 234 | os_ << "nchanTsys=" << nchanTsys << LogIO::POST; |
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| 235 | id[0] = (int)tsysifno; |
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| 236 | sel.setIFs(id); |
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| 237 | for (uInt i = 0; i < tsystable_.size() ; i++) { |
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| 238 | tsystable_[i]->setSelection(sel); |
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| 239 | nrowTsys += tsystable_[i]->nrow(); |
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| 240 | os_ << "nrowTsys=" << nrowTsys << LogIO::POST; |
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| 241 | } |
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| 242 | } |
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| 243 | |
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| 244 | uInt nchanSp = skytable_[skylist[0]]->nchan(ifno); |
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| 245 | os_ << "nchanSp = " << nchanSp << LogIO::POST; |
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| 246 | Vector<Double> timeSky(nrowSky); |
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| 247 | Matrix<Float> spoff(nchanSp, nrowSky); |
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| 248 | Vector<Float> iOff(nchanSp); |
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| 249 | nrowSky = 0; |
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| 250 | os_ << "spoff.shape()=" << spoff.shape() << LogIO::POST; |
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| 251 | for (uInt i = 0 ; i < skylist.nelements(); i++) { |
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| 252 | STCalSkyTable *p = skytable_[skylist[i]]; |
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| 253 | os_ << "table " << i << ": nrow=" << p->nrow() << LogIO::POST; |
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| 254 | Vector<Double> t = p->getTime(); |
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| 255 | Matrix<Float> sp = p->getSpectra(); |
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| 256 | os_ << "sp.shape()=" << sp.shape() << LogIO::POST; |
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| 257 | os_ << "t.nelements()=" << t.nelements() << LogIO::POST; |
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| 258 | for (uInt j = 0; j < t.nelements(); j++) { |
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| 259 | timeSky[nrowSky] = t[j]; |
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| 260 | os_ << "timeSky[" << nrowSky << "]-timeSky[0]=" << timeSky[nrowSky] - timeSky[0] << LogIO::POST; |
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| 261 | spoff.column(nrowSky) = sp.column(j); |
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| 262 | nrowSky++; |
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| 263 | } |
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| 264 | } |
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| 265 | os_ << "timeSky-timeSky[0]=" << timeSky-timeSky[0] << LogIO::POST; |
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| 266 | |
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| 267 | Vector<uInt> skyIdx = timeSort(timeSky); |
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| 268 | os_ << "skyIdx = " << skyIdx << LogIO::POST; |
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| 269 | |
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| 270 | double *xa = new double[skyIdx.nelements()]; |
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| 271 | float *ya = new float[skyIdx.nelements()]; |
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| 272 | IPosition ipos(1, skyIdx.nelements()); |
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| 273 | Vector<double> timeSkySorted(ipos, xa, TAKE_OVER); |
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| 274 | Vector<Float> tmpOff(ipos, ya, TAKE_OVER); |
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| 275 | for (uInt i = 0 ; i < skyIdx.nelements(); i++) { |
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| 276 | timeSkySorted[i] = (double)timeSky[skyIdx[i]]; |
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| 277 | os_ << "timeSkySorted[" << i << "]-timeSkySorted[0]=" << timeSkySorted[i] - timeSkySorted[0] << LogIO::POST; |
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| 278 | } |
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| 279 | os_ << "timeSkySorted-timeSkySorted[0]=" << timeSkySorted-timeSkySorted[0] << LogIO::POST; |
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| 280 | |
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| 281 | interpolatorS_->setX(xa, skyIdx.nelements()); |
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| 282 | |
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| 283 | os_ << "doTsys = " << doTsys << LogIO::POST; |
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| 284 | Vector<uInt> tsysIdx; |
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| 285 | Vector<Double> timeTsys(nrowTsys); |
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| 286 | Matrix<Float> tsys; |
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| 287 | Vector<double> timeTsysSorted; |
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| 288 | Vector<Float> tmpTsys; |
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| 289 | if (doTsys) { |
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| 290 | os_ << "doTsys" << LogIO::POST; |
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| 291 | timeTsys.resize(nrowTsys); |
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| 292 | tsys.resize(nchanTsys, nrowTsys); |
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| 293 | nrowTsys = 0; |
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| 294 | for (uInt i = 0 ; i < tsystable_.size(); i++) { |
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| 295 | STCalTsysTable *p = tsystable_[i]; |
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| 296 | os_ << "p->nrow()=" << p->nrow() << LogIO::POST; |
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| 297 | Vector<Double> t = p->getTime(); |
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| 298 | os_ << "t=" << t << LogIO::POST; |
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| 299 | Matrix<Float> ts = p->getTsys(); |
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| 300 | for (uInt j = 0; j < t.nelements(); j++) { |
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| 301 | timeTsys[nrowTsys] = t[j]; |
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| 302 | tsys.column(nrowTsys) = ts.column(j); |
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| 303 | nrowTsys++; |
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| 304 | } |
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| 305 | } |
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| 306 | tsysIdx = timeSort(timeTsys); |
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| 307 | os_ << "tsysIdx = " << tsysIdx << LogIO::POST; |
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| 308 | |
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| 309 | double *xb = new double[tsysIdx.nelements()]; |
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| 310 | float *yb = new float[tsysIdx.nelements()]; |
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| 311 | IPosition ipos(1, tsysIdx.nelements()); |
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| 312 | timeTsysSorted.takeStorage(ipos, xb, TAKE_OVER); |
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| 313 | tmpTsys.takeStorage(ipos, yb, TAKE_OVER); |
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| 314 | for (uInt i = 0 ; i < tsysIdx.nelements(); i++) { |
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| 315 | timeTsysSorted[i] = (double)timeTsys[tsysIdx[i]]; |
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| 316 | os_ << "timeTsysSorted[" << i << "]-timeTsysSorted[0]=" << timeTsysSorted[i] - timeTsysSorted[0] << LogIO::POST; |
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| 317 | } |
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| 318 | os_ << "timeTsysSorted=" << timeTsysSorted << LogIO::POST; |
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| 319 | interpolatorT_->setX(xb, tsysIdx.nelements()); |
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| 320 | } |
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| 321 | |
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| 322 | Table tab = work_->table(); |
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| 323 | ArrayColumn<Float> spCol(tab, "SPECTRA"); |
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| 324 | ScalarColumn<Double> timeCol(tab, "TIME"); |
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| 325 | Vector<Float> on; |
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| 326 | for (uInt i = 0; i < rows.nelements(); i++) { |
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| 327 | os_ << "start row " << i << LogIO::POST; |
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| 328 | uInt irow = rows[i]; |
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| 329 | |
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| 330 | // target spectral data |
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| 331 | on = spCol(irow); |
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| 332 | calibrator_->setSource(on); |
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| 333 | |
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| 334 | // interpolation |
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| 335 | double t0 = (double)timeCol(irow); |
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| 336 | for (uInt ichan = 0; ichan < nchanSp; ichan++) { |
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| 337 | Vector<Float> spOffSlice = spoff.row(ichan); |
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| 338 | //os_ << "spOffSlice = " << spOffSlice << LogIO::POST; |
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| 339 | for (uInt j = 0; j < skyIdx.nelements(); j++) { |
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| 340 | tmpOff[j] = (float)spOffSlice[skyIdx[j]]; |
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| 341 | } |
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| 342 | interpolatorS_->setY(ya, skyIdx.nelements()); |
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| 343 | iOff[ichan] = interpolatorS_->interpolate(t0); |
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| 344 | } |
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| 345 | //os_ << "iOff=" << iOff << LogIO::POST; |
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| 346 | calibrator_->setReference(iOff); |
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| 347 | |
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| 348 | Float *Y = new Float[nchanSp]; |
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| 349 | Vector<Float> iTsys(IPosition(1,nchanSp), Y, TAKE_OVER); |
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| 350 | if (doTsys) { |
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| 351 | // Tsys correction |
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| 352 | float *yt = new float[nchanTsys]; |
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| 353 | Vector<Float> iTsysT(IPosition(1,nchanTsys), yt, TAKE_OVER); |
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| 354 | float *yb = tmpTsys.data(); |
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| 355 | for (uInt ichan = 0; ichan < nchanTsys; ichan++) { |
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| 356 | Vector<Float> tsysSlice = tsys.row(ichan); |
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| 357 | for (uInt j = 0; j < tsysIdx.nelements(); j++) { |
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| 358 | tmpTsys[j] = (float)tsysSlice[tsysIdx[j]]; |
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| 359 | } |
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| 360 | interpolatorT_->setY(yb, tsysIdx.nelements()); |
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| 361 | iTsysT[ichan] = interpolatorT_->interpolate(t0); |
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| 362 | } |
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| 363 | os_ << "iTsysT=" << iTsysT << LogIO::POST; |
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| 364 | if (nchanSp == 1) { |
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| 365 | // take average |
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| 366 | iTsys[0] = mean(iTsysT); |
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| 367 | } |
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| 368 | else { |
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| 369 | // interpolation on frequency axis |
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| 370 | os_ << "getBaseFrequency for target" << LogIO::POST; |
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| 371 | Vector<Double> fsp = getBaseFrequency(rows[i]); |
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| 372 | os_ << "fsp = " << fsp << LogIO::POST; |
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| 373 | interpolatorF_->setY(yt, nchanTsys); |
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| 374 | for (uInt ichan = 0; ichan < nchanSp; ichan++) { |
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| 375 | iTsys[ichan] = (Float)interpolatorF_->interpolate(fsp[ichan]); |
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| 376 | } |
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| 377 | } |
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| 378 | } |
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| 379 | else { |
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| 380 | iTsys = 1.0; |
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| 381 | } |
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| 382 | os_ << "iTsys=" << iTsys << LogIO::POST; |
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| 383 | calibrator_->setScaler(iTsys); |
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| 384 | |
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| 385 | // do calibration |
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| 386 | calibrator_->calibrate(); |
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| 387 | |
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| 388 | // update table |
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| 389 | os_ << "calibrated=" << calibrator_->getCalibrated() << LogIO::POST; |
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| 390 | spCol.put(irow, calibrator_->getCalibrated()); |
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| 391 | |
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| 392 | } |
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| 393 | |
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| 394 | |
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| 395 | // reset selection on apply tables |
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| 396 | for (uInt i = 0; i < skylist.nelements(); i++) |
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| 397 | skytable_[i]->unsetSelection(); |
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| 398 | for (uInt i = 0; i < tsystable_.size(); i++) |
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| 399 | tsystable_[i]->unsetSelection(); |
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| 400 | |
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| 401 | |
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| 402 | // reset interpolator |
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| 403 | interpolatorS_->reset(); |
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| 404 | interpolatorF_->reset(); |
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| 405 | interpolatorT_->reset(); |
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| 406 | } |
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| 407 | |
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| 408 | Vector<uInt> STApplyCal::timeSort(Vector<Double> &t) |
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| 409 | { |
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| 410 | Sort sort; |
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| 411 | sort.sortKey(&t[0], TpDouble, 0, Sort::Ascending); |
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| 412 | Vector<uInt> idx; |
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| 413 | sort.sort(idx, t.nelements(), Sort::QuickSort|Sort::NoDuplicates); |
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| 414 | return idx; |
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| 415 | } |
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| 416 | |
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| 417 | uInt STApplyCal::getIFForTsys(uInt to) |
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| 418 | { |
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| 419 | for (map<casa::uInt, Vector<uInt> >::iterator i = spwmap_.begin(); |
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| 420 | i != spwmap_.end(); i++) { |
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| 421 | Vector<uInt> tolist = i->second; |
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| 422 | os_ << i->first << ": tolist=" << tolist << LogIO::POST; |
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| 423 | for (uInt j = 0; j < tolist.nelements(); j++) { |
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| 424 | if (tolist[j] == to) |
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| 425 | return i->first; |
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| 426 | } |
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| 427 | } |
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| 428 | return (uInt)-1; |
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| 429 | } |
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| 430 | |
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| 431 | void STApplyCal::save(const String &name) |
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| 432 | { |
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| 433 | if (work_.null()) |
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| 434 | return; |
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| 435 | |
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| 436 | work_->setSelection(sel_); |
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| 437 | work_->makePersistent(name); |
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| 438 | work_->unsetSelection(); |
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| 439 | } |
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| 440 | |
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| 441 | Vector<Double> STApplyCal::getBaseFrequency(uInt whichrow) |
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| 442 | { |
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| 443 | assert(whichrow <= (uInt)work_->nrow()); |
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| 444 | ROTableColumn col(work_->table(), "IFNO"); |
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| 445 | uInt ifno = col.asuInt(whichrow); |
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| 446 | col.attach(work_->table(), "FREQ_ID"); |
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| 447 | uInt freqid = col.asuInt(whichrow); |
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| 448 | uInt nc = work_->nchan(ifno); |
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| 449 | STFrequencies ftab = work_->frequencies(); |
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| 450 | Double rp, rf, inc; |
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| 451 | ftab.getEntry(rp, rf, inc, freqid); |
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| 452 | Vector<Double> r(nc); |
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| 453 | indgen(r, rf-rp*inc, inc); |
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| 454 | return r; |
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| 455 | } |
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| 456 | |
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[2727] | 457 | void STApplyCal::initInterpolator() |
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| 458 | { |
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| 459 | int ta = (int)STCalEnum::TimeAxis; |
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| 460 | int fa = (int)STCalEnum::FrequencyAxis; |
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| 461 | int order = (order_ > 0) ? order_ : 1; |
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| 462 | switch (interp_[ta]) { |
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| 463 | case STCalEnum::NearestInterpolation: |
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| 464 | { |
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| 465 | os_ << "use NearestInterpolator in time axis" << LogIO::POST; |
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| 466 | interpolatorS_ = new NearestInterpolator1D(); |
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| 467 | interpolatorT_ = new NearestInterpolator1D(); |
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| 468 | break; |
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| 469 | } |
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| 470 | case STCalEnum::LinearInterpolation: |
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| 471 | { |
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| 472 | os_ << "use BufferedLinearInterpolator in time axis" << LogIO::POST; |
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| 473 | interpolatorS_ = new BufferedLinearInterpolator1D(); |
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| 474 | interpolatorT_ = new BufferedLinearInterpolator1D(); |
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| 475 | break; |
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| 476 | } |
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| 477 | case STCalEnum::CubicSplineInterpolation: |
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| 478 | { |
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| 479 | os_ << "use CubicSplineInterpolator in time axis" << LogIO::POST; |
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| 480 | interpolatorS_ = new CubicSplineInterpolator1D(); |
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| 481 | interpolatorT_ = new CubicSplineInterpolator1D(); |
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| 482 | break; |
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| 483 | } |
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| 484 | case STCalEnum::PolynomialInterpolation: |
---|
| 485 | { |
---|
| 486 | os_ << "use PolynomialInterpolator in time axis" << LogIO::POST; |
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| 487 | if (order == 0) { |
---|
| 488 | interpolatorS_ = new NearestInterpolator1D(); |
---|
| 489 | interpolatorT_ = new NearestInterpolator1D(); |
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| 490 | } |
---|
| 491 | else { |
---|
| 492 | interpolatorS_ = new PolynomialInterpolator1D(); |
---|
| 493 | interpolatorT_ = new PolynomialInterpolator1D(); |
---|
| 494 | interpolatorS_->setOrder(order); |
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| 495 | interpolatorT_->setOrder(order); |
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| 496 | } |
---|
| 497 | break; |
---|
| 498 | } |
---|
| 499 | default: |
---|
| 500 | { |
---|
| 501 | os_ << "use BufferedLinearInterpolator in time axis" << LogIO::POST; |
---|
| 502 | interpolatorS_ = new BufferedLinearInterpolator1D(); |
---|
| 503 | interpolatorT_ = new BufferedLinearInterpolator1D(); |
---|
| 504 | break; |
---|
| 505 | } |
---|
| 506 | } |
---|
| 507 | |
---|
| 508 | switch (interp_[fa]) { |
---|
| 509 | case STCalEnum::NearestInterpolation: |
---|
| 510 | { |
---|
| 511 | os_ << "use NearestInterpolator in frequency axis" << LogIO::POST; |
---|
| 512 | interpolatorF_ = new NearestInterpolator1D(); |
---|
| 513 | break; |
---|
| 514 | } |
---|
| 515 | case STCalEnum::LinearInterpolation: |
---|
| 516 | { |
---|
| 517 | os_ << "use BufferedLinearInterpolator in frequency axis" << LogIO::POST; |
---|
| 518 | interpolatorF_ = new BufferedLinearInterpolator1D(); |
---|
| 519 | break; |
---|
| 520 | } |
---|
| 521 | case STCalEnum::CubicSplineInterpolation: |
---|
| 522 | { |
---|
| 523 | os_ << "use CubicSplineInterpolator in frequency axis" << LogIO::POST; |
---|
| 524 | interpolatorF_ = new CubicSplineInterpolator1D(); |
---|
| 525 | break; |
---|
| 526 | } |
---|
| 527 | case STCalEnum::PolynomialInterpolation: |
---|
| 528 | { |
---|
| 529 | os_ << "use PolynomialInterpolator in frequency axis" << LogIO::POST; |
---|
| 530 | if (order == 0) { |
---|
| 531 | interpolatorF_ = new NearestInterpolator1D(); |
---|
| 532 | } |
---|
| 533 | else { |
---|
| 534 | interpolatorF_ = new PolynomialInterpolator1D(); |
---|
| 535 | interpolatorF_->setOrder(order); |
---|
| 536 | } |
---|
| 537 | break; |
---|
| 538 | } |
---|
| 539 | default: |
---|
| 540 | { |
---|
| 541 | os_ << "use LinearInterpolator in frequency axis" << LogIO::POST; |
---|
| 542 | interpolatorF_ = new BufferedLinearInterpolator1D(); |
---|
| 543 | break; |
---|
| 544 | } |
---|
| 545 | } |
---|
[2720] | 546 | } |
---|
[2727] | 547 | } |
---|