[805] | 1 | // |
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| 2 | // C++ Implementation: STFiller |
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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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[1410] | 7 | // Author: Malte Marquarding <asap@atnf.csiro.au>, (C) 2006-2007 |
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[805] | 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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[404] | 12 | #include <casa/iostream.h> |
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| 13 | #include <casa/iomanip.h> |
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| 14 | |
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[125] | 15 | #include <casa/Exceptions.h> |
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[284] | 16 | #include <casa/OS/Path.h> |
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[290] | 17 | #include <casa/OS/File.h> |
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[338] | 18 | #include <casa/Quanta/Unit.h> |
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[805] | 19 | #include <casa/Arrays/ArrayMath.h> |
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[1060] | 20 | #include <casa/Arrays/ArrayLogical.h> |
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[805] | 21 | #include <casa/Utilities/Regex.h> |
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| 22 | |
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| 23 | #include <casa/Containers/RecordField.h> |
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| 24 | |
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| 25 | #include <tables/Tables/TableRow.h> |
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| 26 | |
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[1450] | 27 | #include <atnf/PKSIO/PKSrecord.h> |
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[2] | 28 | #include <atnf/PKSIO/PKSreader.h> |
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[1438] | 29 | #ifdef HAS_ALMA |
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| 30 | #include <casa/System/ProgressMeter.h> |
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| 31 | #endif |
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[125] | 32 | |
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[835] | 33 | #include "STDefs.h" |
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[878] | 34 | #include "STAttr.h" |
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[2] | 35 | |
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[805] | 36 | #include "STFiller.h" |
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[901] | 37 | #include "STHeader.h" |
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[805] | 38 | |
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[125] | 39 | using namespace casa; |
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[2] | 40 | |
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[805] | 41 | namespace asap { |
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| 42 | |
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| 43 | STFiller::STFiller() : |
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[2] | 44 | reader_(0), |
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[405] | 45 | header_(0), |
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[805] | 46 | table_(0) |
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[420] | 47 | { |
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[2] | 48 | } |
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[805] | 49 | |
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| 50 | STFiller::STFiller( CountedPtr< Scantable > stbl ) : |
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[46] | 51 | reader_(0), |
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[405] | 52 | header_(0), |
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[805] | 53 | table_(stbl) |
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[420] | 54 | { |
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[46] | 55 | } |
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[2] | 56 | |
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[855] | 57 | STFiller::STFiller(const std::string& filename, int whichIF, int whichBeam ) : |
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[2] | 58 | reader_(0), |
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[405] | 59 | header_(0), |
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[805] | 60 | table_(0) |
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[420] | 61 | { |
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[805] | 62 | open(filename, whichIF, whichBeam); |
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[2] | 63 | } |
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| 64 | |
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[805] | 65 | STFiller::~STFiller() |
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| 66 | { |
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| 67 | close(); |
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[2] | 68 | } |
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| 69 | |
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[855] | 70 | void STFiller::open( const std::string& filename, int whichIF, int whichBeam ) |
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[805] | 71 | { |
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[846] | 72 | if (table_.null()) { |
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| 73 | table_ = new Scantable(); |
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| 74 | } |
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[805] | 75 | if (reader_) { delete reader_; reader_ = 0; } |
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| 76 | Bool haveBase, haveSpectra; |
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[2] | 77 | |
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| 78 | String inName(filename); |
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[284] | 79 | Path path(inName); |
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| 80 | inName = path.expandedName(); |
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[405] | 81 | |
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[290] | 82 | File file(inName); |
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[805] | 83 | if ( !file.exists() ) { |
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[290] | 84 | throw(AipsError("File does not exist")); |
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| 85 | } |
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[87] | 86 | filename_ = inName; |
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[332] | 87 | |
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[405] | 88 | // Create reader and fill in values for arguments |
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[2] | 89 | String format; |
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[1060] | 90 | Vector<Bool> beams, ifs; |
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| 91 | Vector<uInt> nchans,npols; |
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| 92 | if ( (reader_ = getPKSreader(inName, 0, 0, format, beams, ifs, |
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| 93 | nchans, npols, haveXPol_,haveBase, haveSpectra |
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| 94 | )) == 0 ) { |
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[405] | 95 | throw(AipsError("Creation of PKSreader failed")); |
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[2] | 96 | } |
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| 97 | if (!haveSpectra) { |
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| 98 | delete reader_; |
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| 99 | reader_ = 0; |
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[87] | 100 | throw(AipsError("No spectral data in file.")); |
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[2] | 101 | return; |
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| 102 | } |
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| 103 | nBeam_ = beams.nelements(); |
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[1060] | 104 | nIF_ = ifs.nelements(); |
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[2] | 105 | // Get basic parameters. |
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[1060] | 106 | if ( anyEQ(haveXPol_, True) ) { |
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[717] | 107 | pushLog("Cross polarization present"); |
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[1060] | 108 | for (uInt i=0; i< npols.nelements();++i) { |
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| 109 | if (npols[i] < 3) npols[i] += 2;// Convert Complex -> 2 Floats |
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| 110 | } |
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[110] | 111 | } |
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[405] | 112 | if (header_) delete header_; |
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[901] | 113 | header_ = new STHeader(); |
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[1060] | 114 | header_->nchan = max(nchans); |
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| 115 | header_->npol = max(npols); |
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[405] | 116 | header_->nbeam = nBeam_; |
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[1410] | 117 | |
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[405] | 118 | Int status = reader_->getHeader(header_->observer, header_->project, |
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| 119 | header_->antennaname, header_->antennaposition, |
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[1410] | 120 | header_->obstype, |
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| 121 | header_->fluxunit, |
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| 122 | header_->equinox, |
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[405] | 123 | header_->freqref, |
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| 124 | header_->utc, header_->reffreq, |
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| 125 | header_->bandwidth); |
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| 126 | |
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[2] | 127 | if (status) { |
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| 128 | delete reader_; |
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| 129 | reader_ = 0; |
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[805] | 130 | delete header_; |
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| 131 | header_ = 0; |
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[87] | 132 | throw(AipsError("Failed to get header.")); |
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[2] | 133 | } |
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[405] | 134 | if ((header_->obstype).matches("*SW*")) { |
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[2] | 135 | // need robust way here - probably read ahead of next timestamp |
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[717] | 136 | pushLog("Header indicates frequency switched observation.\n" |
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[754] | 137 | "setting # of IFs = 1 "); |
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[2] | 138 | nIF_ = 1; |
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[805] | 139 | header_->obstype = String("fswitch"); |
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[2] | 140 | } |
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[405] | 141 | // Determine Telescope and set brightness unit |
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[342] | 142 | |
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[1391] | 143 | |
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[342] | 144 | Bool throwIt = False; |
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[878] | 145 | Instrument inst = STAttr::convertInstrument(header_->antennaname, throwIt); |
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[1410] | 146 | |
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[342] | 147 | if (inst==ATMOPRA || inst==TIDBINBILLA) { |
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[1410] | 148 | header_->fluxunit = "K"; |
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| 149 | } else { |
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| 150 | // downcase for use with Quanta |
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| 151 | if (header_->fluxunit == "JY") { |
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| 152 | header_->fluxunit = "Jy"; |
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| 153 | } |
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[342] | 154 | } |
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[1188] | 155 | STAttr stattr; |
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| 156 | header_->poltype = stattr.feedPolType(inst); |
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[405] | 157 | header_->nif = nIF_; |
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| 158 | header_->epoch = "UTC"; |
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[805] | 159 | // *** header_->frequnit = "Hz" |
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[2] | 160 | // Apply selection criteria. |
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| 161 | Vector<Int> ref; |
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[332] | 162 | ifOffset_ = 0; |
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| 163 | if (whichIF>=0) { |
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| 164 | if (whichIF>=0 && whichIF<nIF_) { |
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[1060] | 165 | ifs = False; |
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| 166 | ifs(whichIF) = True; |
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[805] | 167 | header_->nif = 1; |
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| 168 | nIF_ = 1; |
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| 169 | ifOffset_ = whichIF; |
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[332] | 170 | } else { |
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[805] | 171 | delete reader_; |
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| 172 | reader_ = 0; |
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| 173 | delete header_; |
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| 174 | header_ = 0; |
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| 175 | throw(AipsError("Illegal IF selection")); |
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[332] | 176 | } |
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| 177 | } |
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| 178 | beamOffset_ = 0; |
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| 179 | if (whichBeam>=0) { |
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[805] | 180 | if (whichBeam>=0 && whichBeam<nBeam_) { |
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[1060] | 181 | beams = False; |
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| 182 | beams(whichBeam) = True; |
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[805] | 183 | header_->nbeam = 1; |
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| 184 | nBeam_ = 1; |
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| 185 | beamOffset_ = whichBeam; |
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| 186 | } else { |
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| 187 | delete reader_; |
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| 188 | reader_ = 0; |
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| 189 | delete header_; |
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| 190 | header_ = 0; |
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| 191 | throw(AipsError("Illegal Beam selection")); |
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| 192 | } |
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[332] | 193 | } |
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| 194 | Vector<Int> start(nIF_, 1); |
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| 195 | Vector<Int> end(nIF_, 0); |
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[1450] | 196 | reader_->select(beams, ifs, start, end, ref, True, haveXPol_[0]); |
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[846] | 197 | table_->setHeader(*header_); |
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[1391] | 198 | //For MS, add the location of POINTING of the input MS so one get |
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| 199 | //pointing data from there, if necessary. |
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| 200 | //Also find nrow in MS |
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| 201 | nInDataRow = 0; |
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| 202 | if (format == "MS2") { |
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| 203 | Path datapath(inName); |
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| 204 | String ptTabPath = datapath.absoluteName(); |
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| 205 | Table inMS(ptTabPath); |
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| 206 | nInDataRow = inMS.nrow(); |
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| 207 | ptTabPath.append("/POINTING"); |
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| 208 | table_->table().rwKeywordSet().define("POINTING", ptTabPath); |
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| 209 | if ((header_->antennaname).matches("GBT")) { |
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| 210 | String GOTabPath = datapath.absoluteName(); |
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| 211 | GOTabPath.append("/GBT_GO"); |
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| 212 | table_->table().rwKeywordSet().define("GBT_GO", GOTabPath); |
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| 213 | } |
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| 214 | } |
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| 215 | |
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[805] | 216 | } |
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[405] | 217 | |
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[805] | 218 | void STFiller::close( ) |
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| 219 | { |
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| 220 | delete reader_;reader_=0; |
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| 221 | delete header_;header_=0; |
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| 222 | table_ = 0; |
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[2] | 223 | } |
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| 224 | |
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[805] | 225 | int asap::STFiller::read( ) |
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| 226 | { |
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[87] | 227 | int status = 0; |
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| 228 | |
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[1391] | 229 | Double min = 0.0; |
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| 230 | Double max = nInDataRow; |
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[1438] | 231 | #ifdef HAS_ALMA |
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| 232 | ProgressMeter fillpm(min, max, "Data importing progress"); |
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| 233 | #endif |
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[1450] | 234 | PKSrecord pksrec; |
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[1391] | 235 | int n = 0; |
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[805] | 236 | while ( status == 0 ) { |
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[1450] | 237 | status = reader_->read(pksrec); |
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[805] | 238 | if ( status != 0 ) break; |
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[1391] | 239 | n += 1; |
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| 240 | |
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[1081] | 241 | Regex filterrx(".*[SL|PA]$"); |
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[1110] | 242 | Regex obsrx("^AT.+"); |
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[1450] | 243 | if ( header_->antennaname.matches(obsrx) && |
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| 244 | pksrec.obsType.matches(filterrx)) { |
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[1110] | 245 | //cerr << "ignoring paddle scan" << endl; |
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[1081] | 246 | continue; |
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| 247 | } |
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[805] | 248 | TableRow row(table_->table()); |
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| 249 | TableRecord& rec = row.record(); |
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[999] | 250 | // fields that don't get used and are just passed through asap |
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| 251 | RecordFieldPtr<Array<Double> > srateCol(rec, "SCANRATE"); |
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[1450] | 252 | *srateCol = pksrec.scanRate; |
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[999] | 253 | RecordFieldPtr<Array<Double> > spmCol(rec, "SRCPROPERMOTION"); |
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[1450] | 254 | *spmCol = pksrec.srcPM; |
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[999] | 255 | RecordFieldPtr<Array<Double> > sdirCol(rec, "SRCDIRECTION"); |
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[1450] | 256 | *sdirCol = pksrec.srcDir; |
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[999] | 257 | RecordFieldPtr<Double> svelCol(rec, "SRCVELOCITY"); |
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[1450] | 258 | *svelCol = pksrec.srcVel; |
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[999] | 259 | // the real stuff |
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[972] | 260 | RecordFieldPtr<Int> fitCol(rec, "FIT_ID"); |
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| 261 | *fitCol = -1; |
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[805] | 262 | RecordFieldPtr<uInt> scanoCol(rec, "SCANNO"); |
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[1450] | 263 | *scanoCol = pksrec.scanNo-1; |
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[805] | 264 | RecordFieldPtr<uInt> cyclenoCol(rec, "CYCLENO"); |
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[1450] | 265 | *cyclenoCol = pksrec.cycleNo-1; |
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[805] | 266 | RecordFieldPtr<Double> mjdCol(rec, "TIME"); |
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[1450] | 267 | *mjdCol = pksrec.mjd; |
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[805] | 268 | RecordFieldPtr<Double> intCol(rec, "INTERVAL"); |
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[1450] | 269 | *intCol = pksrec.interval; |
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[805] | 270 | RecordFieldPtr<String> srcnCol(rec, "SRCNAME"); |
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| 271 | RecordFieldPtr<Int> srctCol(rec, "SRCTYPE"); |
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[1391] | 272 | RecordFieldPtr<String> fieldnCol(rec, "FIELDNAME"); |
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[1450] | 273 | *fieldnCol = pksrec.fieldName; |
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[805] | 274 | // try to auto-identify if it is on or off. |
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[1424] | 275 | Regex rx(".*(e|w|_R)$"); |
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[942] | 276 | Regex rx2("_S$"); |
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[1450] | 277 | Int match = pksrec.srcName.matches(rx); |
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[805] | 278 | if (match) { |
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[1450] | 279 | *srcnCol = pksrec.srcName; |
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[805] | 280 | } else { |
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[1450] | 281 | *srcnCol = pksrec.srcName.before(rx2); |
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[805] | 282 | } |
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[1450] | 283 | //*srcnCol = pksrec.srcName;//.before(rx2); |
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[805] | 284 | *srctCol = match; |
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| 285 | RecordFieldPtr<uInt> beamCol(rec, "BEAMNO"); |
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[1450] | 286 | *beamCol = pksrec.beamNo-beamOffset_-1; |
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[805] | 287 | RecordFieldPtr<Int> rbCol(rec, "REFBEAMNO"); |
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| 288 | Int rb = -1; |
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[1450] | 289 | if (nBeam_ > 1 ) rb = pksrec.refBeam-1; |
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[805] | 290 | *rbCol = rb; |
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| 291 | RecordFieldPtr<uInt> ifCol(rec, "IFNO"); |
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[1450] | 292 | *ifCol = pksrec.IFno-ifOffset_- 1; |
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[805] | 293 | uInt id; |
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| 294 | /// @todo this has to change when nchan isn't global anymore |
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| 295 | id = table_->frequencies().addEntry(Double(header_->nchan/2), |
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[1450] | 296 | pksrec.refFreq, pksrec.freqInc); |
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[805] | 297 | RecordFieldPtr<uInt> mfreqidCol(rec, "FREQ_ID"); |
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| 298 | *mfreqidCol = id; |
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[25] | 299 | |
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[1450] | 300 | id = table_->molecules().addEntry(pksrec.restFreq); |
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[805] | 301 | RecordFieldPtr<uInt> molidCol(rec, "MOLECULE_ID"); |
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| 302 | *molidCol = id; |
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[414] | 303 | |
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[1450] | 304 | id = table_->tcal().addEntry(pksrec.tcalTime, pksrec.tcal); |
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[805] | 305 | RecordFieldPtr<uInt> mcalidCol(rec, "TCAL_ID"); |
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| 306 | *mcalidCol = id; |
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[1450] | 307 | id = table_->weather().addEntry(pksrec.temperature, pksrec.pressure, |
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| 308 | pksrec.humidity, pksrec.windSpeed, |
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| 309 | pksrec.windAz); |
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[805] | 310 | RecordFieldPtr<uInt> mweatheridCol(rec, "WEATHER_ID"); |
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| 311 | *mweatheridCol = id; |
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| 312 | RecordFieldPtr<uInt> mfocusidCol(rec, "FOCUS_ID"); |
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[1450] | 313 | id = table_->focus().addEntry(pksrec.focusAxi, pksrec.focusTan, |
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| 314 | pksrec.focusRot); |
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[805] | 315 | *mfocusidCol = id; |
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| 316 | RecordFieldPtr<Array<Double> > dirCol(rec, "DIRECTION"); |
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[1450] | 317 | *dirCol = pksrec.direction; |
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[922] | 318 | RecordFieldPtr<Float> azCol(rec, "AZIMUTH"); |
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[1450] | 319 | *azCol = pksrec.azimuth; |
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[922] | 320 | RecordFieldPtr<Float> elCol(rec, "ELEVATION"); |
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[1450] | 321 | *elCol = pksrec.elevation; |
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[405] | 322 | |
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[805] | 323 | RecordFieldPtr<Float> parCol(rec, "PARANGLE"); |
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[1450] | 324 | *parCol = pksrec.parAngle; |
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[332] | 325 | |
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[805] | 326 | RecordFieldPtr< Array<Float> > specCol(rec, "SPECTRA"); |
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| 327 | RecordFieldPtr< Array<uChar> > flagCol(rec, "FLAGTRA"); |
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| 328 | RecordFieldPtr< uInt > polnoCol(rec, "POLNO"); |
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[405] | 329 | |
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[805] | 330 | RecordFieldPtr< Array<Float> > tsysCol(rec, "TSYS"); |
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| 331 | // Turn the (nchan,npol) matrix and possible complex xPol vector |
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| 332 | // into 2-4 rows in the scantable |
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| 333 | Vector<Float> tsysvec(1); |
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[1450] | 334 | // Why is pksrec.spectra.ncolumn() == 3 for haveXPol_ == True |
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| 335 | uInt npol = (pksrec.spectra.ncolumn()==1 ? 1: 2); |
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[805] | 336 | for ( uInt i=0; i< npol; ++i ) { |
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[1450] | 337 | tsysvec = pksrec.tsys(i); |
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[805] | 338 | *tsysCol = tsysvec; |
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| 339 | *polnoCol = i; |
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[405] | 340 | |
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[1450] | 341 | *specCol = pksrec.spectra.column(i); |
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| 342 | *flagCol = pksrec.flagtra.column(i); |
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[805] | 343 | table_->table().addRow(); |
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| 344 | row.put(table_->table().nrow()-1, rec); |
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[2] | 345 | } |
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[1060] | 346 | if ( haveXPol_[0] ) { |
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[805] | 347 | // no tsys given for xpol, so emulate it |
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[1450] | 348 | tsysvec = sqrt(pksrec.tsys[0]*pksrec.tsys[1]); |
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[805] | 349 | *tsysCol = tsysvec; |
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| 350 | // add real part of cross pol |
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| 351 | *polnoCol = 2; |
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[1450] | 352 | Vector<Float> r(real(pksrec.xPol)); |
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[805] | 353 | *specCol = r; |
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| 354 | // make up flags from linears |
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| 355 | /// @fixme this has to be a bitwise or of both pols |
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[1450] | 356 | *flagCol = pksrec.flagtra.column(0);// | pksrec.flagtra.column(1); |
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[805] | 357 | table_->table().addRow(); |
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| 358 | row.put(table_->table().nrow()-1, rec); |
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| 359 | // ad imaginary part of cross pol |
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| 360 | *polnoCol = 3; |
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[1450] | 361 | Vector<Float> im(imag(pksrec.xPol)); |
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[805] | 362 | *specCol = im; |
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| 363 | table_->table().addRow(); |
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| 364 | row.put(table_->table().nrow()-1, rec); |
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[2] | 365 | } |
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[1438] | 366 | #ifdef HAS_ALMA |
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| 367 | fillpm._update(n); |
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| 368 | #endif |
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[805] | 369 | } |
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| 370 | if (status > 0) { |
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| 371 | close(); |
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| 372 | throw(AipsError("Reading error occured, data possibly corrupted.")); |
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| 373 | } |
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[1438] | 374 | #ifdef HAS_ALMA |
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| 375 | fillpm.done(); |
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| 376 | #endif |
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[2] | 377 | return status; |
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| 378 | } |
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[805] | 379 | |
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| 380 | }//namespace asap |
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