[1791] | 1 | //
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| 2 | // C++ Interface: NROFiller
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| 3 | //
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| 4 | // Description:
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| 5 | // This class is a concrete class that derives from FillerBase class.
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| 6 | // The class implements the following methods to be able to read NRO
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| 7 | // data (45m and ASTE).
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| 8 | //
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| 9 | // open()
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| 10 | // close()
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| 11 | // fill()
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| 12 | //
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| 13 | //
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| 14 | // Author: Takeshi Nakazato <takeshi.nakazato@nao.ac.jp>, (C) 2010
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| 15 | //
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| 16 | // Copyright: See COPYING file that comes with this distribution
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| 17 | //
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| 18 | //
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| 19 |
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[1792] | 20 | #include "NROFiller.h"
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[1791] | 21 | #include "STHeader.h"
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[1904] | 22 | #include <casa/Containers/Record.h>
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[2019] | 23 | #include <casa/Quanta/MVTime.h>
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[1791] | 24 | #include <atnf/PKSIO/SrcType.h>
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| 25 |
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| 26 | using namespace casa;
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| 27 |
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| 28 | namespace asap
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| 29 | {
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| 30 | NROFiller::NROFiller(CountedPtr<Scantable> stable)
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| 31 | : FillerBase(stable)
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| 32 | {
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| 33 | }
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| 34 |
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| 35 | NROFiller::~NROFiller()
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| 36 | {
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| 37 | close() ;
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| 38 | }
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| 39 |
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[1904] | 40 | bool NROFiller::open(const std::string& filename, const Record& rec)
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[1791] | 41 | {
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| 42 | bool status = true ;
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| 43 |
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| 44 | // get appropriate reader object
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| 45 | String format ;
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[1817] | 46 | reader_ = getNROReader( filename, format ) ;
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| 47 | if ( reader_.null() == True ) {
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[1791] | 48 | status = false ;
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| 49 | return status ;
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| 50 | }
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| 51 |
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| 52 | // get header information
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[1792] | 53 | STHeader hdr ;
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| 54 | if ( reader_->getHeaderInfo( hdr.nchan,
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| 55 | hdr.npol,
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| 56 | hdr.nif,
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| 57 | hdr.nbeam,
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| 58 | hdr.observer,
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| 59 | hdr.project,
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| 60 | hdr.obstype,
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| 61 | hdr.antennaname,
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| 62 | hdr.antennaposition,
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| 63 | hdr.equinox,
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| 64 | hdr.freqref,
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| 65 | hdr.reffreq,
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| 66 | hdr.bandwidth,
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| 67 | hdr.utc,
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| 68 | hdr.fluxunit,
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| 69 | hdr.epoch,
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| 70 | hdr.poltype ) ) {
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[1791] | 71 | status = false ;
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| 72 | return status ;
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| 73 | }
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| 74 |
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| 75 | // 2010/07/30 TBD: Do we need to set frame here?
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[1799] | 76 | table_->frequencies().setFrame( hdr.freqref, true ) ;
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[2199] | 77 | table_->frequencies().setFrame( hdr.freqref, false ) ;
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[1791] | 78 |
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| 79 | // set Header
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[1792] | 80 | setHeader( hdr ) ;
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[1791] | 81 |
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| 82 | return status ;
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| 83 | }
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| 84 |
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| 85 | void NROFiller::fill()
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| 86 | {
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| 87 | // for each row
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| 88 | uInt nRow = reader_->getRowNum() ;
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| 89 | vector< vector<double > > freqs ;
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| 90 | uInt scanno ;
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| 91 | uInt cycleno ;
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[2201] | 92 | uInt ifno ;
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[1791] | 93 | uInt beamno ;
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| 94 | uInt polno ;
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| 95 | vector<double> fqs ;
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| 96 | Vector<Double> restfreq ;
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| 97 | uInt refbeamno ;
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| 98 | Double scantime ;
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| 99 | Double interval ;
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| 100 | String srcname ;
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| 101 | String fieldname ;
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[2289] | 102 | Vector<Float> spectra ;
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| 103 | Vector<uChar> flagtra ;
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| 104 | Vector<Float> tsys ;
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| 105 | Vector<Double> direction ;
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[1791] | 106 | Float azimuth ;
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| 107 | Float elevation ;
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[2289] | 108 | Float parangle = 0.0 ;
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[1791] | 109 | Float opacity ;
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| 110 | uInt tcalid ;
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| 111 | Int fitid ;
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| 112 | uInt focusid ;
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| 113 | Float temperature ;
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| 114 | Float pressure ;
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| 115 | Float humidity ;
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| 116 | Float windvel ;
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| 117 | Float winddir ;
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| 118 | Double srcvel ;
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[2289] | 119 | Vector<Double> propermotion( 2, 0.0 ) ;
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[1791] | 120 | Vector<Double> srcdir ;
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[2289] | 121 | Vector<Double> scanrate( 2, 0.0 ) ;
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[1791] | 122 | Int rowCount = 0 ;
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| 123 |
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[1799] | 124 | STHeader header = table_->getHeader() ;
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[1791] | 125 | String obsType = header.obstype.substr( 0, 3 ) ;
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[2019] | 126 | Vector<Float> defaultTcal( 1, 1.0 ) ;
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| 127 | String tcalTime = MVTime( header.utc ).string( MVTime::YMD ) ;
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[2289] | 128 |
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| 129 | // TCAL subtable rows
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| 130 | setTcal( tcalTime, defaultTcal ) ;
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| 131 |
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| 132 | // FOCUS subtable rows
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| 133 | setFocus( parangle ) ;
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| 134 |
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[1791] | 135 | for ( Int irow = 0 ; irow < (Int)nRow ; irow++ ) {
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| 136 | // check scan intent
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[1812] | 137 | string scanType = reader_->getScanType( irow ) ;
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[1791] | 138 | SrcType::type srcType = SrcType::NOTYPE ;
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| 139 |
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| 140 | // skip "ZERO" scan
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| 141 | if ( scanType.compare( 0, 4, "ZERO" ) == 0 ) {
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| 142 | continue ;
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| 143 | }
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| 144 |
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| 145 | // set srcType
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| 146 | if ( obsType == "POS" || obsType == "BEA" ) {
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| 147 | if ( scanType.compare( 0, 2, "ON" ) == 0 )
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| 148 | srcType = SrcType::PSON ;
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| 149 | else if ( scanType.compare( 0, 3, "OFF" ) == 0 )
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| 150 | srcType = SrcType::PSOFF ;
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| 151 | }
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| 152 | else if ( obsType == "FRE" ) {
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| 153 | if ( scanType.compare( 0, 2, "ON" ) == 0 )
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| 154 | srcType = SrcType::FSON ;
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| 155 | else if ( scanType.compare( 0, 3, "OFF" ) == 0 )
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| 156 | srcType = SrcType::FSOFF ;
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| 157 | }
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| 158 |
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| 159 | // get scan ifnromation
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[1792] | 160 | if ( reader_->getScanInfo( irow,
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[1791] | 161 | scanno,
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| 162 | cycleno,
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[2201] | 163 | ifno,
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[1791] | 164 | beamno,
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| 165 | polno,
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| 166 | fqs,
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| 167 | restfreq,
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| 168 | refbeamno,
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| 169 | scantime,
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| 170 | interval,
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| 171 | srcname,
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| 172 | fieldname,
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| 173 | spectra,
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| 174 | flagtra,
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| 175 | tsys,
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| 176 | direction,
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| 177 | azimuth,
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| 178 | elevation,
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| 179 | parangle,
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| 180 | opacity,
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| 181 | tcalid,
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| 182 | fitid,
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| 183 | focusid,
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| 184 | temperature,
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| 185 | pressure,
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| 186 | humidity,
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| 187 | windvel,
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| 188 | winddir,
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| 189 | srcvel,
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| 190 | propermotion,
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| 191 | srcdir,
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| 192 | scanrate ) ) {
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[1792] | 193 | throw AipsError( "Failed to read scan record" ) ;
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[1791] | 194 | return ;
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| 195 | }
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| 196 |
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[1792] | 197 | // set IDs and subtable rows
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| 198 | // FREQUENCIES subtable row
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| 199 | setFrequency( (Double)fqs[0], (Double)fqs[1], (Double)fqs[2] ) ;
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| 200 |
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| 201 | // MOLECULES subtable row
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| 202 | setMolecule( restfreq ) ;
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| 203 |
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[2272] | 204 | // WEATHER subtable row
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| 205 | float p = 7.5 * temperature / ( 273.3 + temperature ) ;
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| 206 | float sh = 6.11 * powf( 10, p ) ;
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| 207 | temperature += 273.15 ; // C->K
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| 208 | winddir *= C::degree ; // deg->rad
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| 209 | humidity /= sh ; // P_H2O->relative humidity
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[2289] | 210 | setWeather2( temperature, pressure, humidity, windvel, winddir ) ;
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[1792] | 211 |
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[1791] | 212 | // set row attributes
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| 213 | // SPECTRA, FLAGTRA, and TSYS
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[2289] | 214 | setSpectrum( spectra, flagtra, tsys ) ;
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[1791] | 215 |
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| 216 | // SCANNO, CYCLENO, IFNO, POLNO, and BEAMNO
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| 217 | setIndex( scanno, cycleno, ifno, polno, beamno ) ;
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| 218 |
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| 219 | // REFBEAMNO
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| 220 | setReferenceBeam( (Int)refbeamno ) ;
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| 221 |
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| 222 | // DIRECTION
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[2289] | 223 | setDirection( direction, azimuth, elevation ) ;
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[1791] | 224 |
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| 225 | // TIME and INTERVAL
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| 226 | setTime( scantime, interval ) ;
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| 227 |
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| 228 | // SRCNAME, SRCTYPE, FIELDNAME, SRCDIRECTION, SRCPROPERMOTION, and SRCVELOCITY
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[2289] | 229 | setSource( srcname, srcType, fieldname, srcdir, propermotion, srcvel ) ;
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[1791] | 230 |
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| 231 | // SCANRATE
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[2289] | 232 | setScanRate( scanrate ) ;
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[1791] | 233 |
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| 234 | // OPACITY
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| 235 | setOpacity( opacity ) ;
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| 236 |
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| 237 | // finally, commit row
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| 238 | commitRow() ;
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| 239 |
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| 240 | // count up number of row committed
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| 241 | rowCount++ ;
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| 242 | }
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| 243 | }
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| 244 |
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| 245 | void NROFiller::close()
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| 246 | {
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[1817] | 247 | if (reader_.null() != False) {
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| 248 | reader_ = 0;
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| 249 | }
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| 250 | table_ = 0;
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[1791] | 251 | }
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| 252 |
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| 253 | };
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| 254 |
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