[2696] | 1 | //
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| 2 | // C++ Implementation: STCalTsys
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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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[2703] | 7 | // Author: Takeshi Nakazato <takeshi.nakazato@nao.ac.jp> (C) 2012
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[2696] | 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 |
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[2703] | 13 | #include <vector>
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[2786] | 14 |
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| 15 | #include <casa/Arrays/ArrayMath.h>
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| 16 | #include <casa/Logging/LogIO.h>
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| 17 |
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[2703] | 18 | #include "STSelector.h"
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[2696] | 19 | #include "STCalTsys.h"
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[2703] | 20 | #include "STDefs.h"
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| 21 | #include <atnf/PKSIO/SrcType.h>
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[2696] | 22 |
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[2703] | 23 | using namespace std;
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[2696] | 24 | using namespace casa;
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| 25 |
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| 26 | namespace asap {
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[2923] | 27 | STCalTsys::STCalTsys(CountedPtr<Scantable> &s, vector<int> &iflist)
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| 28 | : STCalibration(s, "TSYS"),
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| 29 | iflist_(iflist),
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| 30 | tsysspw_(),
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| 31 | do_average_(false)
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[2696] | 32 | {
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[2703] | 33 | applytable_ = new STCalTsysTable(*s);
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[2696] | 34 | }
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| 35 |
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[2923] | 36 | STCalTsys::STCalTsys(CountedPtr<Scantable> &s, Record &iflist, bool average)
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| 37 | : STCalibration(s, "TSYS"),
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| 38 | iflist_(),
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| 39 | tsysspw_(iflist),
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| 40 | do_average_(average)
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| 41 | {
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| 42 | iflist_.resize(tsysspw_.nfields());
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| 43 | for (uInt i = 0; i < tsysspw_.nfields(); ++i) {
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| 44 | iflist_[i] = std::atoi(tsysspw_.name(i).c_str());
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| 45 | }
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| 46 | applytable_ = new STCalTsysTable(*s);
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| 47 | }
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| 48 |
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[2786] | 49 | void STCalTsys::setupSelector(const STSelector &sel)
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[2696] | 50 | {
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[2786] | 51 | sel_ = sel;
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| 52 | vector<int> ifnos = sel_.getIFs();
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| 53 | if (ifnos.size() > 0) {
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| 54 | int nif = 0;
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| 55 | int nifOrg = iflist_.size();
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| 56 | vector<int> iflistNew(iflist_);
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| 57 | for (int i = 0; i < nifOrg; i++) {
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| 58 | if (find(ifnos.begin(), ifnos.end(), iflist_[i]) != ifnos.end()) {
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| 59 | iflistNew[nif] = iflist_[i];
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| 60 | ++nif;
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| 61 | }
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| 62 | }
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| 63 | if (nif == 0) {
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| 64 | LogIO os(LogOrigin("STCalTsys", "setupSelector", WHERE));
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| 65 | os << LogIO::SEVERE << "Selection contains no data." << LogIO::EXCEPTION;
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| 66 | }
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| 67 | sel_.setIFs(iflistNew);
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| 68 | }
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| 69 | else {
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| 70 | sel_.setIFs(iflist_);
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| 71 | }
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[2696] | 72 | }
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| 73 |
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[2915] | 74 | void STCalTsys::appenddata(uInt scanno, uInt cycleno,
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| 75 | uInt beamno, uInt ifno, uInt polno,
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| 76 | uInt freqid, Double time, Float elevation,
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[2955] | 77 | const Vector<Float> &any_data,
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| 78 | const Vector<uChar> &channel_flag)
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[2696] | 79 | {
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[2915] | 80 | STCalTsysTable *p = dynamic_cast<STCalTsysTable *>(&(*applytable_));
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[2923] | 81 | if (do_average_ && tsysspw_.isDefined(String::toString(ifno))) {
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| 82 | LogIO os(LogOrigin("STCalTsys", "appenddata", WHERE));
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| 83 | Vector<Float> averaged_data(any_data.size());
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[2955] | 84 | Vector<uChar> averaged_flag(any_data.size(), 0);
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[2923] | 85 | Float averaged_value = 0.0;
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[2924] | 86 | size_t num_value = 0;
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[2923] | 87 | Vector<Double> channel_range = tsysspw_.asArrayDouble(String::toString(ifno));
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| 88 | os << LogIO::DEBUGGING << "do averaging: channel range for IFNO " << ifno << " is " << channel_range << LogIO::POST;
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| 89 | for (uInt i = 1; i < channel_range.size(); i += 2) {
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[2924] | 90 | size_t start = (size_t)channel_range[i-1];
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| 91 | size_t end = std::min((size_t)channel_range[i] + 1, averaged_data.size());
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[2923] | 92 | os << LogIO::DEBUGGING << "start=" << start << ", end=" << end << LogIO::POST;
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[2924] | 93 | float sum_per_segment = 0.0;
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[2958] | 94 | size_t count = 0;
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[2924] | 95 | for (size_t j = start; j < end; ++j) {
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[2958] | 96 | if (channel_flag[j] == 0) {
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| 97 | sum_per_segment += any_data[j];
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| 98 | count += 1;
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| 99 | }
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[2923] | 100 | }
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[2924] | 101 | averaged_value += sum_per_segment;
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[2958] | 102 | num_value += count;
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[2923] | 103 | }
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| 104 | averaged_value /= (Float)num_value;
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| 105 | averaged_data = averaged_value;
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| 106 | os << LogIO::DEBUGGING << "averaged_data = " << averaged_data << LogIO::POST;
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| 107 | os << LogIO::DEBUGGING << "any_data = " << any_data << LogIO::POST;
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| 108 | p->appenddata(scanno, cycleno, beamno, ifno, polno,
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[2955] | 109 | freqid, time, elevation, averaged_data,
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| 110 | averaged_flag);
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[2923] | 111 | }
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| 112 | else {
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| 113 | p->appenddata(scanno, cycleno, beamno, ifno, polno,
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[2955] | 114 | freqid, time, elevation, any_data,
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| 115 | channel_flag);
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[2923] | 116 | }
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[2696] | 117 | }
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| 118 |
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| 119 | }
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