source: branches/hpc34/external-alma/atnf/PKSIO/NROReader.cc @ 2588

Last change on this file since 2588 was 2588, 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: sdsave unit test

Put in Release Notes: Yes/No?

Module(s): Module Names change impacts.

Description: Describe your changes here...

Tuning NROReader.
Direction conversion (getDirection and getSourceDirection) is
optimized.
File size: 20.9 KB
Line 
1//#---------------------------------------------------------------------------
2//# NROReader.cc: Base class for NRO headerdata.
3//#---------------------------------------------------------------------------
4//# Copyright (C) 2000-2006
5//# Associated Universities, Inc. Washington DC, USA.
6//#
7//# This library is free software; you can redistribute it and/or modify it
8//# under the terms of the GNU Library General Public License as published by
9//# the Free Software Foundation; either version 2 of the License, or (at your
10//# option) any later version.
11//#
12//# This library is distributed in the hope that it will be useful, but WITHOUT
13//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14//# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
15//# License for more details.
16//#
17//# You should have received a copy of the GNU Library General Public License
18//# along with this library; if not, write to the Free Software Foundation,
19//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
20//#
21//# Correspondence concerning AIPS++ should be addressed as follows:
22//#        Internet email: aips2-request@nrao.edu.
23//#        Postal address: AIPS++ Project Office
24//#                        National Radio Astronomy Observatory
25//#                        520 Edgemont Road
26//#                        Charlottesville, VA 22903-2475 USA
27//#
28//# $Id$
29//#---------------------------------------------------------------------------
30//# Original: 2008/10/30, Takeshi Nakazato, NAOJ
31//#---------------------------------------------------------------------------
32
33#include <atnf/PKSIO/NROReader.h>
34#include <atnf/PKSIO/NRO45Reader.h>
35#include <atnf/PKSIO/ASTEReader.h>
36#include <atnf/PKSIO/ASTEFXReader.h>
37#include <atnf/PKSIO/NRO45FITSReader.h>
38#include <atnf/PKSIO/NROOTFDataset.h>
39#include <atnf/PKSIO/ASTEDataset.h>
40
41#include <measures/Measures/MEpoch.h>
42#include <measures/Measures/MPosition.h>
43#include <measures/Measures/MDirection.h>
44#include <measures/Measures/MCDirection.h>
45#include <measures/Measures/MeasFrame.h>
46#include <measures/Measures/MeasConvert.h>
47
48#include <casa/IO/RegularFileIO.h>
49#include <casa/OS/File.h>
50#include <casa/OS/Time.h>
51
52#include <stdio.h>
53#include <string>
54#include <iomanip>
55
56using namespace std ;
57
58//
59// getNROReader
60//
61// Return an appropriate NROReader for a NRO 45m and ASTE dataset.
62//
63NROReader *getNROReader( const String filename,
64                         String &datatype )
65{
66  LogIO os( LogOrigin( "", "getNROReader()", WHERE ) ) ;
67
68  // Check accessibility of the input.
69  File inFile( filename ) ;
70  if ( !inFile.exists() ) {
71    datatype = filename + " not found." ;
72    return 0 ;
73  }
74
75  if ( !inFile.isReadable() ) {
76    datatype = filename + " is not readable." ;
77    return 0 ;
78  }
79
80  // Determine the type of input.
81  NROReader *reader = 0;
82  if ( inFile.isRegular() ) {
83    FILE *file ;
84    file = fopen( filename.c_str(), "r" ) ;
85    // read LOFIL0
86    char buf[9];
87    fread( buf, 4, 1, file ) ;
88    buf[4] = '\0' ;
89    // DEBUG
90    //os << LogIO::NORMAL << "getNROReader:: buf = " << String(buf) << LogIO::POST ;
91    //
92    if ( string( buf ) == "XTEN" ) {
93      // FITS data
94      datatype = "NRO 45m FITS" ;
95      reader = new NRO45FITSReader( filename ) ;
96    }
97    else if ( string( buf ) == "RW-F") {
98      // ASTE-FX data
99      datatype = "ASTE-FX";
100      reader = new ASTEFXReader( filename );
101    } else {
102      // otherwise, read SITE0
103      NRODataset *d = new NROOTFDataset( filename ) ;
104      int size = d->getDataSize() - 188 ;
105      delete d ;
106      fseek( file, size, SEEK_SET ) ;
107      fread( buf, 8, 1, file ) ;
108      buf[8] = '\0' ;
109      // DEBUG
110      //cout << "getNROReader:: buf = " << buf << endl ;
111      //
112      if ( string( buf ) == "NRO" ) {
113        // NRO 45m data
114        datatype = "NRO 45m OTF" ;
115        reader = new NRO45Reader( filename );
116      }
117      else {
118        d = new ASTEDataset( filename ) ;
119        size = d->getDataSize() - 188 ;
120        delete d ;
121        fseek( file, size, SEEK_SET ) ;
122        fread( buf, 8, 1, file ) ;
123        buf[8] = '\0' ;
124        // DEBUG
125        //cout << "getNROReader:: buf = " << buf << endl ;
126        //
127        if ( string( buf ) == "ASTE" ) {
128          // ASTE data
129          datatype = "ASTE" ;
130          reader = new ASTEReader( filename ) ;
131        }
132        else {
133          datatype = "UNRECOGNIZED INPUT FORMAT";
134        }
135      }
136    }
137    fclose( file ) ;
138  } else {
139    datatype = "UNRECOGNIZED INPUT FORMAT";
140  }
141
142  // DEBUG
143  os << LogIO::NORMAL << "Data format of " << filename << ": " << datatype << LogIO::POST ;
144  //
145
146  // return reader if exists
147  if ( reader ) {
148    reader->read() ;
149    return reader ;
150  }
151
152  return 0 ;
153}
154
155
156//
157// getNROReader
158//
159// Search a list of directories for a NRO 45m and ASTE dataset and return an
160// appropriate NROReader for it.
161//
162NROReader* getNROReader( const String name,
163                         const Vector<String> directories,
164                         int &iDir,
165                         String &datatype )
166{
167  int nDir = directories.size();
168  for ( iDir = 0; iDir < nDir; iDir++ ) {
169    string inName = directories[iDir] + "/" + name;
170    NROReader *reader = getNROReader( inName, datatype ) ;
171
172    if (reader != 0) {
173      return reader;
174    }
175  }
176
177  iDir = -1;
178  return 0;
179}
180
181
182//----------------------------------------------------------------------
183// constructor
184NROReader::NROReader( string name )
185  : dataset_( NULL ),
186    srcdir_( 0 ),
187    msrcdir_( 0 )
188{
189  // initialization
190  filename_ = name ;
191  coord_ = -1 ;
192}
193
194// destructor
195NROReader::~NROReader()
196{
197  if ( dataset_ != NULL ) {
198    delete dataset_ ;
199    dataset_ = NULL ;
200  }
201}
202
203// get spectrum
204vector< vector<double> > NROReader::getSpectrum()
205{
206  return dataset_->getSpectrum() ;
207}
208
209Int NROReader::getPolarizationNum()
210{
211  return dataset_->getPolarizationNum() ;
212}
213
214double NROReader::getStartTime()
215{
216  //char *startTime = dataset_->getLOSTM() ;
217  string startTime = dataset_->getLOSTM() ;
218  //cout << "getStartTime()  startTime = " << startTime << endl ;
219  return getMJD( startTime ) ;
220}
221
222double NROReader::getEndTime()
223{
224  //char *endTime = dataset_->getLOETM() ;
225  string endTime = dataset_->getLOETM() ;
226  return getMJD( endTime ) ;
227}
228
229vector<double> NROReader::getStartIntTime()
230{
231  return dataset_->getStartIntTime() ;
232}
233
234double NROReader::getMJD( char *time )
235{
236  // TODO: should be checked which time zone the time depends on
237  // 2008/11/14 Takeshi Nakazato
238  string strStartTime = string( time ) ;
239  string strYear = strStartTime.substr( 0, 4 ) ;
240  string strMonth = strStartTime.substr( 4, 2 ) ;
241  string strDay = strStartTime.substr( 6, 2 ) ;
242  string strHour = strStartTime.substr( 8, 2 ) ;
243  string strMinute = strStartTime.substr( 10, 2 ) ;
244  string strSecond = strStartTime.substr( 12, strStartTime.size() - 12 ) ;
245  uInt year = atoi( strYear.c_str() ) ;
246  uInt month = atoi( strMonth.c_str() ) ;
247  uInt day = atoi( strDay.c_str() ) ;
248  uInt hour = atoi( strHour.c_str() ) ;
249  uInt minute = atoi( strMinute.c_str() ) ;
250  double second = atof( strSecond.c_str() ) ;
251  Time t( year, month, day, hour, minute, second ) ;
252
253  return t.modifiedJulianDay() ;
254}
255
256double NROReader::getMJD( string strStartTime )
257{
258  // TODO: should be checked which time zone the time depends on
259  // 2008/11/14 Takeshi Nakazato
260  string strYear = strStartTime.substr( 0, 4 ) ;
261  string strMonth = strStartTime.substr( 4, 2 ) ;
262  string strDay = strStartTime.substr( 6, 2 ) ;
263  string strHour = strStartTime.substr( 8, 2 ) ;
264  string strMinute = strStartTime.substr( 10, 2 ) ;
265  string strSecond = strStartTime.substr( 12, strStartTime.size() - 12 ) ;
266  uInt year = atoi( strYear.c_str() ) ;
267  uInt month = atoi( strMonth.c_str() ) ;
268  uInt day = atoi( strDay.c_str() ) ;
269  uInt hour = atoi( strHour.c_str() ) ;
270  uInt minute = atoi( strMinute.c_str() ) ;
271  double second = atof( strSecond.c_str() ) ;
272  Time t( year, month, day, hour, minute, second ) ;
273
274  return t.modifiedJulianDay() ;
275}
276
277vector<Bool> NROReader::getIFs()
278{
279  return dataset_->getIFs() ;
280}
281
282vector<Bool> NROReader::getBeams()
283{
284  vector<Bool> v ;
285  vector<int> arry = dataset_->getARRY() ;
286  for ( uInt i = 0 ; i < arry.size() ; i++ ) {
287    if ( arry[i] != 0 ) {
288      v.push_back( True ) ;
289    }
290  }
291
292  // DEBUG
293  //cout << "NROReader::getBeams()   number of beam is " << v.size() << endl ;
294  //
295
296  return v ;
297}
298
299// Get SRCDIRECTION in RADEC(J2000)
300Vector<Double> NROReader::getSourceDirection()
301{
302  LogIO os( LogOrigin( "NROReader", "getSourceDirection()", WHERE ) ) ;
303
304  if ( msrcdir_.nelements() == 2 )
305    return msrcdir_ ;
306
307  srcdir_.resize( 2 ) ;
308  srcdir_[0] = Double( dataset_->getRA0() ) ;
309  srcdir_[1] = Double( dataset_->getDEC0() ) ;
310  char epoch[5] ;
311  strncpy( epoch, (dataset_->getEPOCH()).c_str(), 5 ) ;
312  if ( strncmp( epoch, "B1950", 5 ) == 0 ) {
313    // convert to J2000 value
314    MDirection result =
315      MDirection::Convert( MDirection( Quantity( srcdir_[0], "rad" ),
316                                       Quantity( srcdir_[1], "rad" ),
317                                       MDirection::Ref( MDirection::B1950 ) ),
318                           MDirection::Ref( MDirection::J2000 ) ) () ;
319    msrcdir_ = result.getAngle().getValue() ;
320    if ( msrcdir_[0] < 0.0 && srcdir_[0] >= 0.0 )
321      msrcdir_[0] = 2.0 * M_PI + msrcdir_[0] ;
322    //cout << "NROReader::getSourceDirection()  SRCDIRECTION convert from ("
323    //<< srcra << "," << srcdec << ") B1950 to ("
324    //<< v( 0 ) << ","<< v( 1 ) << ") J2000" << endl ;
325    //os << LogIO::NORMAL << "SRCDIRECTION convert from ("
326    //   << srcra << "," << srcdec << ") B1950 to ("
327    //   << v( 0 ) << ","<< v( 1 ) << ") J2000" << LogIO::POST ;
328  }
329  else if ( strncmp( epoch, "J2000", 5 ) == 0 ) {
330    msrcdir_.reference( srcdir_ ) ;
331  }
332   
333  return msrcdir_ ;
334}
335
336// Get DIRECTION in RADEC(J2000)
337Vector<Double> NROReader::getDirection( int i )
338{
339  LogIO os( LogOrigin( "NROReader", "getDirection()", WHERE ) ) ;
340
341  Vector<Double> v( 2 ) ;
342  NRODataRecord *record = dataset_->getRecord( i ) ;
343  char epoch[5] ;
344  strncpy( epoch, (dataset_->getEPOCH()).c_str(), 5 ) ;
345  int icoord = dataset_->getSCNCD() ;
346  double scantime = dataset_->getScanTime( i ) ;
347  initConvert( icoord, scantime, epoch ) ;
348  v[0]= Double( record->SCX ) ;
349  v[1] = Double( record->SCY ) ;
350  if ( converter_.null() )
351    // no conversion
352    return v ;
353  else {
354    Vector<Double> v2 = (*converter_)( v ).getAngle().getValue() ;
355    if ( v2[0] < 0.0 && v[0] >= 0.0 )
356      v2[0] = 2.0 * M_PI + v2[0] ;
357    return v2 ;
358  }
359}
360
361void NROReader::initConvert( int icoord, double t, char *epoch )
362{
363  if ( icoord == 0 && strncmp( epoch, "J2000", 5 ) == 0 )
364    // no conversion
365    return ;
366
367  if ( converter_.null() || icoord != coord_ ) {
368    LogIO os( LogOrigin( "NROReader", "initConvert()", WHERE ) ) ;
369    coord_ = icoord ;
370    if ( coord_ == 0 ) {
371      // RADEC (B1950) -> RADEC (J2000)
372      os << "Creating converter from RADEC (B1950) to RADEC (J2000)" << LogIO::POST ;
373      converter_ = new MDirection::Convert( MDirection::B1950,
374                                            MDirection::J2000 ) ;
375    }
376    else if ( coord_ == 1 ) {
377      // LB -> RADEC (J2000)
378      os << "Creating converter from GALACTIC to RADEC (J2000)" << LogIO::POST ;
379      converter_ = new MDirection::Convert( MDirection::GALACTIC,
380                                            MDirection::J2000 ) ;
381    }
382    else {
383      // coord_ == 2
384      // AZEL -> RADEC (J2000)
385      os << "Creating converter from AZEL to RADEC (J2000)" << LogIO::POST ;
386      if ( mf_.null() ) {
387        mf_ = new MeasFrame() ;
388        vector<double> antpos = getAntennaPosition() ;
389        Vector<Quantity> qantpos( 3 ) ;
390        for ( int ip = 0 ; ip < 3 ; ip++ )
391          qantpos[ip] = Quantity( antpos[ip], "m" ) ;
392        MPosition mp( MVPosition( qantpos ), MPosition::ITRF ) ;
393        mf_->set( mp ) ;
394      }
395      converter_ = new MDirection::Convert( MDirection::AZEL,
396                                            MDirection::Ref(MDirection::J2000,
397                                                            *mf_ ) ) ;
398    }
399  }
400
401  if ( coord_ == 2 ) {
402    MEpoch me( Quantity( t, "d" ), MEpoch::UTC ) ;
403    mf_->set( me ) ;
404  }
405}
406
407int NROReader::getHeaderInfo( Int &nchan,
408                              Int &npol,
409                              Int &nif,
410                              Int &nbeam,
411                              String &observer,
412                              String &project,
413                              String &obstype,
414                              String &antname,
415                              Vector<Double> &antpos,
416                              Float &equinox,
417                              String &freqref,
418                              Double &reffreq,
419                              Double &bw,
420                              Double &utc,
421                              String &fluxunit,
422                              String &epoch,
423                              String &poltype )
424{ 
425  nchan = dataset_->getNUMCH() ;
426  //cout << "nchan = " << nchan << endl ;
427  npol = getPolarizationNum() ;
428  //cout << "npol = " << npol << endl ;
429  observer = dataset_->getOBSVR() ;
430  //cout << "observer = " << observer << endl ;
431  project = dataset_->getPROJ() ;
432  //cout << "project = " << project << endl ;
433  obstype = dataset_->getSWMOD() ;
434  //cout << "obstype = " << obstype << endl ;
435  antname = dataset_->getSITE() ;
436  //cout << "antname = " << antname << endl ;
437  // TODO: should be investigated antenna position since there are
438  //       no corresponding information in the header
439  // 2008/11/13 Takeshi Nakazato
440  //
441  // INFO: tentative antenna posiiton is obtained for NRO 45m from ITRF website
442  // 2008/11/26 Takeshi Nakazato
443  vector<double> pos = getAntennaPosition() ;
444  antpos = pos ;
445  //cout << "antpos = " << antpos << endl ;
446  string eq = dataset_->getEPOCH() ;
447//   if ( eq.compare( 0, 5, "B1950" ) == 0 )
448//     equinox = 1950.0 ;
449//   else if ( eq.compare( 0, 5, "J2000" ) == 0 )
450//     equinox = 2000.0 ;
451  // equinox is always 2000.0
452  equinox = 2000.0 ;
453  //cout << "equinox = " << equinox << endl ;
454  string vref = dataset_->getVREF() ;
455  if ( vref.compare( 0, 3, "LSR" ) == 0 ) {
456    if ( vref.size() == 3 ) {
457      vref.append( "K" ) ;
458    }
459    else {
460      vref[3] = 'K' ;
461    }
462  }
463  //freqref = vref ;
464  //freqref = "LSRK" ;
465  freqref = "REST" ;
466  //cout << "freqref = " << freqref << endl ;
467  NRODataRecord *record = dataset_->getRecord( 0 ) ;
468  reffreq = record->FREQ0 ;
469  //cout << "reffreq = " << reffreq << endl ;
470  bw = dataset_->getBEBW()[0] ;
471  //cout << "bw = " << bw << endl ;
472  utc = getStartTime() ;
473  //cout << "utc = " << utc << endl ;
474  fluxunit = "K" ;
475  //cout << "fluxunit = " << fluxunit << endl ;
476  epoch = "UTC" ; 
477  //cout << "epoch = " << epoch << endl ;
478  string poltp = dataset_->getPOLTP()[0] ;
479  //cout << "poltp = '" << poltp << "'" << endl ;
480  if ( poltp == "" || poltp[0] == ' ' )
481    //poltp = "None" ;
482    poltp = "linear" ;   // if no polarization type specified, set to "linear"
483  //else if ( strcmp( poltp, "LINR" ) == 0 )
484  else if ( poltp.compare( 0, 1, "LINR", 0, 1 ) == 0 )
485    poltp = "linear" ;
486  //else if ( strcmp( poltp, "CIRL" ) == 0 )
487  else if ( poltp.compare( 0, 1, "CIRL", 0, 1 ) == 0 )
488    poltp = "circular" ;
489  poltype = poltp ;
490  //cout << "poltype = " << poltype << endl ;
491
492  //vector<Bool> ifs = getIFs() ;
493  //nif = ifs.size() ;
494  nif = getNumIF() ;
495  //cout << "nif = " << nif << endl ;
496
497  //vector<Bool> beams = getBeams() ;
498  //nbeam = beams.size() ;
499  nbeam = getNumBeam() ;
500  //cout << "nbeam = " << nbeam << endl ;
501
502  return 0 ;
503}
504
505string NROReader::getScanType( int i )
506{
507  NRODataRecord *record = dataset_->getRecord( i ) ;
508  string s = record->SCANTP ;
509
510  return s ;
511}
512
513int NROReader::getScanInfo( int irow,
514                            uInt &scanno,
515                            uInt &cycleno,
516                            uInt &ifno,
517                            uInt &beamno,
518                            uInt &polno,
519                            vector<double> &freqs,   
520                            Vector<Double> &restfreq,
521                            uInt &refbeamno,
522                            Double &scantime,
523                            Double &interval,
524                            String &srcname,
525                            String &fieldname,
526                            Vector<Float> &spectra,
527                            Vector<uChar> &flagtra,
528                            Vector<Float> &tsys,
529                            Vector<Double> &direction,
530                            Float &azimuth,
531                            Float &elevation,
532                            Float &parangle,
533                            Float &opacity,
534                            uInt &tcalid,
535                            Int &fitid,
536                            uInt &focusid,
537                            Float &temperature, 
538                            Float &pressure,     
539                            Float &humidity,     
540                            Float &windvel,     
541                            Float &winddir,     
542                            Double &srcvel,
543                            Vector<Double> &propermotion,
544                            Vector<Double> &srcdir,
545                            Vector<Double> &scanrate )
546{
547  static const IPosition oneByOne( 1, 1 );
548
549  // DEBUG
550  //cout << "NROReader::getScanInfo()  irow = " << irow << endl ;
551  //
552  NRODataRecord *record = dataset_->getRecord( irow ) ;
553
554  // scanno
555  scanno = (uInt)(record->ISCAN) ;
556  //cout << "scanno = " << scanno << endl ;
557
558  // cycleno
559  cycleno = 0 ;
560  //cout << "cycleno = " << cycleno << endl ;
561
562  // beamno and ifno
563  string rxname = dataset_->getRX()[0] ;
564  if ( rxname.find("MULT2") != string::npos ) {
565    string arryt = string( record->ARRYT ) ;
566    beamno = dataset_->getArrayId( arryt ) ;
567    ifno = 0 ;
568  }
569  else {
570    beamno = 0 ;
571    string arryt = string( record->ARRYT ) ;
572    ifno = dataset_->getArrayId( arryt ) ;
573  }
574  //cout << "beamno = " << beamno << endl ;
575
576  // polno
577  polno = dataset_->getPolNo( irow ) ;
578  //cout << "polno = " << polno << endl ;
579
580  // freqs (for IFNO and FREQ_ID)
581  //freqs = getFrequencies( irow ) ;
582  freqs = dataset_->getFrequencies( irow ) ;
583  //cout << "freqs = [" << freqs[0] << ", " << freqs[1] << ", " << freqs[2] << "]" << endl ;
584
585  // restfreq (for MOLECULE_ID)
586  restfreq.resize( oneByOne ) ;
587  restfreq[0] = record->FREQ0 ;
588  //cout << "restfreq = " << rf << endl ;
589
590  // refbeamno
591  refbeamno = 0 ;
592  //cout << "refbeamno = " << refbeamno << endl ;
593
594  // scantime
595  //scantime = Double( dataset_->getStartIntTime( irow ) ) ;
596  scantime = Double( dataset_->getScanTime( irow ) ) ;
597  //cout << "scantime = " << scantime << endl ;
598
599  // interval
600  interval = Double( dataset_->getIPTIM() ) ;
601  //cout << "interval = " << interval << endl ;
602
603  // srcname
604  srcname = String( dataset_->getOBJ() ) ;
605  //cout << "srcname = " << srcname << endl ;
606
607  // fieldname
608  fieldname = String( dataset_->getOBJ() ) ;
609  //cout << "fieldname = " << fieldname << endl ;
610
611  // spectra
612  vector<double> spec = dataset_->getSpectrum( irow ) ;
613  spectra.resize( spec.size() ) ;
614  int index = 0 ;
615  for ( Vector<Float>::iterator itr = spectra.begin() ; itr != spectra.end() ; itr++ ) {
616    *itr = spec[index++] ;
617  }
618  //cout << "spec.size() = " << spec.size() << endl ;
619 
620  // flagtra
621  bool setValue = !( flagtra.nelements() == spectra.nelements() ) ;
622  flagtra.resize( spectra.nelements() ) ;
623  if ( setValue ) {
624    //cout << "flagtra resized. reset values..." << endl ;
625    flagtra.set( 0 ) ;
626  }
627  //cout << "flag.size() = " << flag.size() << endl ;
628
629  // tsys
630  tsys.resize( oneByOne ) ;
631  tsys[0] = record->TSYS ;
632  //cout << "tsys[0] = " << tsys[0] << endl ;
633
634  // direction
635  direction = getDirection( irow ) ;
636  //cout << "direction = [" << direction[0] << ", " << direction[1] << "]" << endl ;
637
638  // azimuth
639  azimuth = record->RAZ ;
640  //cout << "azimuth = " << azimuth << endl ;
641
642  // elevation
643  elevation = record->REL ;
644  //cout << "elevation = " << elevation << endl ;
645
646  // parangle
647  parangle = 0.0 ;
648  //cout << "parangle = " << parangle << endl ;
649
650  // opacity
651  opacity = 0.0 ;
652  //cout << "opacity = " << opacity << endl ;
653
654  // tcalid
655  tcalid = 0 ;
656  //cout << "tcalid = " << tcalid << endl ;
657
658  // fitid
659  fitid = -1 ;
660  //cout << "fitid = " << fitid << endl ;
661
662  // focusid
663  focusid = 0 ;
664  //cout << "focusid = " << focusid << endl ;
665
666  // temperature (for WEATHER_ID)
667  temperature = Float( record->TEMP ) ;
668  //cout << "temperature = " << temperature << endl ;
669
670  // pressure (for WEATHER_ID)
671  pressure = Float( record->PATM ) ;
672  //cout << "pressure = " << pressure << endl ;
673
674  // humidity (for WEATHER_ID)
675  humidity = Float( record->PH2O ) ;
676  //cout << "humidity = " << humidity << endl ;
677
678  // windvel (for WEATHER_ID)
679  windvel = Float( record->VWIND ) ;
680  //cout << "windvel = " << windvel << endl ;
681
682  // winddir (for WEATHER_ID)
683  winddir = Float( record->DWIND ) ;
684  //cout << "winddir = " << winddir << endl ;
685 
686  // srcvel
687  srcvel = dataset_->getURVEL() ;
688  //cout << "srcvel = " << srcvel << endl ;
689
690  // propermotion
691  // do nothing
692
693  // srcdir
694  srcdir = getSourceDirection() ;
695  //cout << "srcdir = [" << srcdir[0] << ", " << srcdir[1] << endl ;
696
697  // scanrate
698  // do nothing
699
700  return 0 ;
701}
702
703Int NROReader::getRowNum()
704{
705  return dataset_->getRowNum() ;
706}
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