[2720] | 1 | // |
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| 2 | // C++ Implementation: Calibrator |
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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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| 12 | #include <assert.h> |
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| 13 | |
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| 14 | #include <casa/Arrays/Vector.h> |
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| 15 | #include <casa/Exceptions/Error.h> |
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| 16 | |
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| 17 | #include "Calibrator.h" |
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| 18 | |
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| 19 | using namespace casa; |
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| 20 | |
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| 21 | namespace asap { |
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| 22 | |
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| 23 | Calibrator::Calibrator() |
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| 24 | : nchan_(0), |
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| 25 | nchanS_(0), |
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| 26 | source_(0), |
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| 27 | ref_(0), |
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| 28 | ref2_(0), |
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| 29 | scaler_(0), |
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| 30 | calibrated_(0) |
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| 31 | {} |
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| 32 | |
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| 33 | Calibrator::Calibrator(unsigned int nchan) |
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| 34 | : nchan_(nchan), |
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| 35 | nchanS_(0), |
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| 36 | source_(0), |
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| 37 | ref_(0), |
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| 38 | ref2_(0), |
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| 39 | scaler_(0), |
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| 40 | calibrated_(0) |
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| 41 | {} |
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| 42 | |
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| 43 | Calibrator::~Calibrator() |
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| 44 | { |
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| 45 | freeStorage(); |
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| 46 | } |
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| 47 | |
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| 48 | void Calibrator::setSource(Vector<Float> &v) |
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| 49 | { |
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| 50 | if (nchan_ == 0) { |
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| 51 | nchan_ = v.nelements(); |
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| 52 | initStorage(); |
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| 53 | } |
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| 54 | else if (nchan_ != v.nelements()) { |
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| 55 | freeStorage(); |
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| 56 | nchan_ = v.nelements(); |
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| 57 | initStorage(); |
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| 58 | } |
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| 59 | set(source_, v); |
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| 60 | } |
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| 61 | |
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| 62 | void Calibrator::set(Float *p, Vector<Float> &v) |
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| 63 | { |
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| 64 | Float *work = p; |
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| 65 | for (unsigned int i = 0; i < v.nelements(); i++) { |
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| 66 | *work = v[i]; |
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| 67 | work++; |
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| 68 | } |
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| 69 | } |
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| 70 | |
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| 71 | void Calibrator::setReference(Vector<Float> &v) |
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| 72 | { |
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| 73 | assert(v.nelements() == nchan_); |
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| 74 | set(ref_, v); |
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| 75 | } |
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| 76 | |
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| 77 | void Calibrator::setReference2(Vector<Float> &v) |
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| 78 | { |
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| 79 | assert(v.nelements() == nchan_); |
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| 80 | if (!ref2_) |
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| 81 | ref2_ = new Float[nchan_]; |
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| 82 | set(ref2_, v); |
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| 83 | } |
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| 84 | |
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| 85 | void Calibrator::setScaler(Vector<Float> &v) |
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| 86 | { |
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| 87 | assert(v.nelements() == nchan_ || v.nelements() == 1); |
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| 88 | if (nchanS_ == 0) { |
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| 89 | nchanS_ = v.nelements(); |
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| 90 | if (!scaler_) |
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| 91 | scaler_ = new Float[nchanS_]; |
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| 92 | } |
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| 93 | else if (v.nelements() != nchanS_) { |
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| 94 | if (scaler_) |
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| 95 | delete[] scaler_; |
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| 96 | nchanS_ = v.nelements(); |
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| 97 | scaler_ = new Float[nchanS_]; |
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| 98 | } |
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| 99 | set(scaler_, v); |
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| 100 | } |
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| 101 | |
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| 102 | void Calibrator::initStorage() |
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| 103 | { |
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| 104 | freeStorage(); |
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| 105 | source_ = new Float[nchan_]; |
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| 106 | ref_ = new Float[nchan_]; |
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| 107 | calibrated_ = new Float[nchan_]; |
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| 108 | } |
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| 109 | |
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| 110 | void Calibrator::freeStorage() |
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| 111 | { |
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| 112 | if (source_) { |
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| 113 | delete[] source_; |
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| 114 | source_ = 0; |
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| 115 | } |
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| 116 | if (ref_) { |
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| 117 | delete[] ref_; |
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| 118 | ref_ = 0; |
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| 119 | } |
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| 120 | if (ref2_) { |
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| 121 | delete[] ref2_; |
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| 122 | ref2_ = 0; |
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| 123 | } |
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| 124 | if (scaler_) { |
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| 125 | delete[] scaler_; |
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| 126 | scaler_ = 0; |
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| 127 | } |
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| 128 | if (calibrated_) { |
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| 129 | delete[] calibrated_; |
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| 130 | calibrated_ = 0; |
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| 131 | } |
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| 132 | } |
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| 133 | |
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| 134 | const Vector<Float> Calibrator::getCalibrated() |
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| 135 | { |
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| 136 | return Vector<Float>(IPosition(1,nchan_), calibrated_, SHARE); |
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| 137 | } |
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| 138 | |
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| 139 | } |
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