source: branches/casa-release-4_3-test02/src/NROFiller.cpp@ 3012

Last change on this file since 3012 was 2776, checked in by Takeshi Nakazato, 12 years ago

New Development: No

JIRA Issue: No

Ready for Test: Yes

Interface Changes: No

What Interface Changed: Please list interface changes

Test Programs: List test programs

Put in Release Notes: Yes/No

Module(s): Module Names change impacts.

Description: Describe your changes here...

Bug fix on default behavior of frequency reference setting.


File size: 7.6 KB
Line 
1//
2// C++ Interface: NROFiller
3//
4// Description:
5// This class is a concrete class that derives from FillerBase class.
6// The class implements the following methods to be able to read NRO
7// data (45m and ASTE).
8//
9// open()
10// close()
11// fill()
12//
13//
14// Author: Takeshi Nakazato <takeshi.nakazato@nao.ac.jp>, (C) 2010
15//
16// Copyright: See COPYING file that comes with this distribution
17//
18//
19
20#include "NROFiller.h"
21#include "STHeader.h"
22#include <casa/Containers/Record.h>
23#include <casa/Quanta/MVTime.h>
24#include <atnf/PKSIO/SrcType.h>
25#include <casa/Logging/LogIO.h>
26
27using namespace casa;
28
29namespace asap
30{
31NROFiller::NROFiller(CountedPtr<Scantable> stable)
32 : FillerBase(stable)
33{
34}
35
36NROFiller::~NROFiller()
37{
38 close() ;
39}
40
41bool NROFiller::open(const std::string& filename, const Record& rec)
42{
43 bool status = true ;
44
45 // Parse options
46 String freqref = "DEFAULT (REST)" ;
47 if ( rec.isDefined( "nro" ) ) {
48 Record nrorec = rec.asRecord( "nro" ) ;
49 if ( nrorec.isDefined( "freqref" ) ) {
50 freqref = nrorec.asString( "freqref" ) ;
51 freqref.upcase() ;
52 }
53 LogIO os( LogOrigin( "NROFiller", "open", WHERE ) ) ;
54 os << "Parsing NRO options" << endl ;
55 os << " freqref = " << freqref << LogIO::POST ;
56 }
57
58 // get appropriate reader object
59 String format ;
60 reader_ = getNROReader( filename, format ) ;
61 if ( reader_.null() == True ) {
62 status = false ;
63 return status ;
64 }
65
66 // Apply options
67 if ( freqref == "REST" || freqref == "DEFAULT (REST)" ) {
68 reader_->setFreqRefFromVREF( false ) ;
69 }
70 else if ( freqref == "VREF" ) {
71 reader_->setFreqRefFromVREF( true ) ;
72 }
73
74 // get header information
75 STHeader hdr ;
76 if ( reader_->getHeaderInfo( hdr.nchan,
77 hdr.npol,
78 hdr.nif,
79 hdr.nbeam,
80 hdr.observer,
81 hdr.project,
82 hdr.obstype,
83 hdr.antennaname,
84 hdr.antennaposition,
85 hdr.equinox,
86 hdr.freqref,
87 hdr.reffreq,
88 hdr.bandwidth,
89 hdr.utc,
90 hdr.fluxunit,
91 hdr.epoch,
92 hdr.poltype ) ) {
93 status = false ;
94 return status ;
95 }
96
97 // FREQUENCIES table setup
98 table_->frequencies().setFrame( hdr.freqref, true ) ;
99 table_->frequencies().setFrame( hdr.freqref, false ) ;
100 const string vref = reader_->dataset().getVREF() ;
101 if ( vref.compare( 0, 3, "RAD" ) ) {
102 table_->frequencies().setDoppler( "RADIO" ) ;
103 }
104 else if ( vref.compare( 0, 3, "OPT" ) ) {
105 table_->frequencies().setDoppler( "OPTICAL" ) ;
106 }
107 else {
108 LogIO os( LogOrigin( "NROFiller", "open", WHERE ) ) ;
109 os << LogIO::WARN
110 << "VREF " << vref << " is not supported. Use default (RADIO)."
111 << LogIO::POST ;
112 }
113
114 // set Header
115 setHeader( hdr ) ;
116
117 return status ;
118}
119
120void NROFiller::fill()
121{
122 // for each row
123 uInt nRow = reader_->getRowNum() ;
124 vector< vector<double > > freqs ;
125 uInt scanno ;
126 uInt cycleno ;
127 uInt ifno ;
128 uInt beamno ;
129 uInt polno ;
130 vector<double> fqs ;
131 Vector<Double> restfreq ;
132 uInt refbeamno ;
133 Double scantime ;
134 Double interval ;
135 String srcname ;
136 String fieldname ;
137 Vector<Float> spectra ;
138 Vector<uChar> flagtra ;
139 Vector<Float> tsys ;
140 Vector<Double> direction ;
141 Float azimuth ;
142 Float elevation ;
143 Float parangle = 0.0 ;
144 Float opacity ;
145 uInt tcalid ;
146 Int fitid ;
147 uInt focusid ;
148 Float temperature ;
149 Float pressure ;
150 Float humidity ;
151 Float windvel ;
152 Float winddir ;
153 Double srcvel ;
154 Vector<Double> propermotion( 2, 0.0 ) ;
155 Vector<Double> srcdir ;
156 Vector<Double> scanrate( 2, 0.0 ) ;
157 Int rowCount = 0 ;
158
159 STHeader header = table_->getHeader() ;
160 String obsType = header.obstype.substr( 0, 3 ) ;
161 Vector<Float> defaultTcal( 1, 1.0 ) ;
162 String tcalTime = MVTime( header.utc ).string( MVTime::YMD ) ;
163
164 // TCAL subtable rows
165 setTcal( tcalTime, defaultTcal ) ;
166
167 // FOCUS subtable rows
168 setFocus( parangle ) ;
169
170 for ( Int irow = 0 ; irow < (Int)nRow ; irow++ ) {
171 // check scan intent
172 string scanType = reader_->getScanType( irow ) ;
173 SrcType::type srcType = SrcType::NOTYPE ;
174
175 // skip "ZERO" scan
176 if ( scanType.compare( 0, 4, "ZERO" ) == 0 ) {
177 continue ;
178 }
179
180 // set srcType
181 if ( obsType == "POS" || obsType == "BEA" ) {
182 if ( scanType.compare( 0, 2, "ON" ) == 0 )
183 srcType = SrcType::PSON ;
184 else if ( scanType.compare( 0, 3, "OFF" ) == 0 )
185 srcType = SrcType::PSOFF ;
186 }
187 else if ( obsType == "FRE" ) {
188 if ( scanType.compare( 0, 2, "ON" ) == 0 )
189 srcType = SrcType::FSON ;
190 else if ( scanType.compare( 0, 3, "OFF" ) == 0 )
191 srcType = SrcType::FSOFF ;
192 }
193
194 // get scan ifnromation
195 if ( reader_->getScanInfo( irow,
196 scanno,
197 cycleno,
198 ifno,
199 beamno,
200 polno,
201 fqs,
202 restfreq,
203 refbeamno,
204 scantime,
205 interval,
206 srcname,
207 fieldname,
208 spectra,
209 flagtra,
210 tsys,
211 direction,
212 azimuth,
213 elevation,
214 parangle,
215 opacity,
216 tcalid,
217 fitid,
218 focusid,
219 temperature,
220 pressure,
221 humidity,
222 windvel,
223 winddir,
224 srcvel,
225 propermotion,
226 srcdir,
227 scanrate ) ) {
228 throw AipsError( "Failed to read scan record" ) ;
229 return ;
230 }
231
232 // set IDs and subtable rows
233 // FREQUENCIES subtable row
234 setFrequency( (Double)fqs[0], (Double)fqs[1], (Double)fqs[2] ) ;
235
236 // MOLECULES subtable row
237 setMolecule( restfreq ) ;
238
239 // WEATHER subtable row
240 float p = 7.5 * temperature / ( 273.3 + temperature ) ;
241 float sh = 6.11 * powf( 10, p ) ;
242 temperature += 273.15 ; // C->K
243 winddir *= C::degree ; // deg->rad
244 humidity /= sh ; // P_H2O->relative humidity
245 setWeather2( temperature, pressure, humidity, windvel, winddir ) ;
246
247 // set row attributes
248 // SPECTRA, FLAGTRA, and TSYS
249 setSpectrum( spectra, flagtra, tsys ) ;
250
251 // SCANNO, CYCLENO, IFNO, POLNO, and BEAMNO
252 setIndex( scanno, cycleno, ifno, polno, beamno ) ;
253
254 // REFBEAMNO
255 setReferenceBeam( (Int)refbeamno ) ;
256
257 // DIRECTION
258 setDirection( direction, azimuth, elevation ) ;
259
260 // TIME and INTERVAL
261 setTime( scantime, interval ) ;
262
263 // SRCNAME, SRCTYPE, FIELDNAME, SRCDIRECTION, SRCPROPERMOTION, and SRCVELOCITY
264 setSource( srcname, srcType, fieldname, srcdir, propermotion, srcvel ) ;
265
266 // SCANRATE
267 setScanRate( scanrate ) ;
268
269 // OPACITY
270 setOpacity( opacity ) ;
271
272 // finally, commit row
273 commitRow() ;
274
275 // count up number of row committed
276 rowCount++ ;
277 }
278}
279
280void NROFiller::close()
281{
282 if (reader_.null() != False) {
283 reader_ = 0;
284 }
285 table_ = 0;
286}
287
288};
289
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