source: trunk/external-alma/asdm2ASAP/ASDMReader.cc @ 2218

Last change on this file since 2218 was 2218, checked in by Takeshi Nakazato, 13 years ago

New Development: No

JIRA Issue: Yes CAS-1913

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...

Get frequency reference frame from the data.
File size: 62.7 KB
Line 
1#include <iostream>
2#include <sstream>
3
4#include <measures/Measures/MEpoch.h>
5#include <measures/Measures/MPosition.h>
6#include <measures/Measures/MDirection.h>
7#include <measures/Measures/MCDirection.h>
8#include <measures/Measures/MeasFrame.h>
9#include <measures/Measures/MeasConvert.h>
10#include <casa/Logging/LogMessage.h>
11
12#include "ASDMReader.h"
13#include <atnf/PKSIO/SrcType.h>
14
15using namespace std ;
16//using namespace casa ;
17using namespace asdm ;
18using namespace sdmbin ;
19
20// sec to day
21double s2d = 1.0 / 86400.0 ;
22
23ASDMReader::ASDMReader()
24  : asdm_(0),
25    sdmBin_(0),
26    vmsData_(0),
27    antennaId_( -1 ),
28    antennaName_( "" ),
29    row_(-1),
30    apc_(AP_CORRECTED),
31    className_("ASDMReader")
32{
33  configDescIdList_.resize(0) ;
34  feedIdList_.resize(0) ;
35  fieldIdList_.resize(0) ;
36  mainRow_.resize(0) ;
37  ifno_.clear() ;
38  corrMode_.reset() ;
39  timeSampling_.reset() ;
40}
41
42ASDMReader::~ASDMReader()
43{
44  close() ;
45  logsink_ = 0 ;
46}
47
48bool ASDMReader::open( const string &filename, const casa::Record &rec )
49{
50  String funcName = "open" ;
51
52  // return value
53  bool status = true ;
54
55  // set default
56  timeSampling_.reset() ;
57  corrMode_.reset() ;
58  resolutionType_.reset() ;
59  apc_ = AP_CORRECTED ;
60
61  // parsing ASDM options
62  if ( rec.isDefined( "asdm" ) ) {
63    casa::Record asdmrec = rec.asRecord( "asdm" ) ;
64
65    // antenna
66    if ( asdmrec.isDefined( "antenna" ) ) {
67      if ( asdmrec.type( asdmrec.fieldNumber( "antenna" ) ) == casa::TpInt ) {
68        antennaId_ = asdmrec.asInt( "antenna" ) ;
69      }
70      else {
71        antennaName_ = asdmrec.asString( "antenna" ) ;
72      }
73    }
74    else {
75      antennaId_ = 0 ;
76    }
77
78    // ATM phase correction
79    if ( asdmrec.isDefined( "apc" ) ) {
80      if ( asdmrec.asBool( "apc" ) )
81        apc_ = AP_CORRECTED ;
82      else
83        apc_ = AP_UNCORRECTED ;
84    }
85
86    // time sampling
87    String timeSampling = "all" ; // take all time sampling by default
88    if ( asdmrec.isDefined( "sampling" ) ) {
89      timeSampling = asdmrec.asString( "sampling" ) ;
90    }
91    if ( timeSampling == "all" ) {
92      timeSampling_.set( INTEGRATION ) ;
93      timeSampling_.set( SUBINTEGRATION ) ;
94    }
95    else if ( timeSampling == "integration" ) {
96      timeSampling_.set( INTEGRATION ) ;
97    }
98    else if ( timeSampling == "subintegration" ) {
99      timeSampling_.set( SUBINTEGRATION ) ;
100    }
101    else {
102      //throw AipsError( "Unrecognized option for sampling" ) ;
103      logsink_->postLocally( LogMessage( "Unrecognized option for time sampling: "+String::toString(timeSampling), LogOrigin(className_,funcName,WHERE), LogMessage::WARN ) ) ;
104      status = false ;
105    }     
106
107    // spectral resolution type
108    string resolutionType = "all" ;
109    if ( asdmrec.isDefined( "srt" ) ) {
110      resolutionType = string( asdmrec.asString( "srt" ) ) ;
111    }
112    string resolutionTypes[3] ;
113    Int numType = split( resolutionType, resolutionTypes, 3, "," ) ;
114    for ( Int it = 0 ; it < numType ; it++ ) {
115      if ( resolutionTypes[it] == "all" ) {
116        resolutionType_.reset() ;
117        resolutionType_.set( FULL_RESOLUTION ) ;
118        resolutionType_.set( BASEBAND_WIDE ) ;
119        resolutionType_.set( CHANNEL_AVERAGE ) ;
120        break ;
121      }
122      else if ( resolutionTypes[it] == "fr" ) {
123        resolutionType_.set( FULL_RESOLUTION ) ;
124      }
125      else if ( resolutionTypes[it] == "bw" ) {
126        resolutionType_.set( BASEBAND_WIDE ) ;
127      }
128      else if ( resolutionTypes[it] == "ca" ) {
129        resolutionType_.set( CHANNEL_AVERAGE ) ;
130      }
131    }
132    if ( resolutionType_.size() == 0 ) {
133      logsink_->postLocally( LogMessage( "Unrecognized option for spectral resolution type: "+String::toString(resolutionType), LogOrigin(className_,funcName,WHERE), LogMessage::WARN ) ) ;
134      status = false ;
135    }
136   
137    // input correlation mode
138    string corrMode = "ao+ca" ;
139    if ( asdmrec.isDefined( "corr" ) ) {
140      corrMode = string( asdmrec.asString( "corr" ) ) ;
141      //logsink_->postLocally( LogMessage("corrMode = "+String(corrMode),LogOrigin(className_,funcName,WHERE)) ) ;
142    }
143    string corrModes[3] ;
144    Int numCorr = split( corrMode, corrModes, 3, "," ) ;
145    for ( Int ic = 0 ; ic < numCorr ; ic++ ) {
146      if ( corrModes[ic] == "ao" ) {
147        corrMode_.set( AUTO_ONLY ) ;
148      }
149      else if ( corrModes[ic] == "ca" ) {
150        corrMode_.set( CROSS_AND_AUTO ) ;
151      }
152    }
153    if ( corrMode_.size() == 0 ) {
154      logsink_->postLocally( LogMessage( "Invalid option for correlation mode: "+String::toString(corrMode), LogOrigin(className_,funcName,WHERE), LogMessage::WARN ) ) ;
155      status = false ;
156    }
157
158//     logsink_->postLocally( LogMessage( "### asdmrec summary ###", LogOrigin(className_,funcName,WHERE) ) ) ;
159//     ostringstream oss ;
160//     asdmrec.print( oss ) ;
161//     logsink_->postLocally( LogMessage( oss.str(), LogOrigin(className_,funcName,WHERE) ) ) ;
162//     logsink_->postLocally( LogMessage( "#######################", LogOrigin(className_,funcName,WHERE) ) ) ;
163  }
164
165  // create ASDM object
166  asdm_ = new ASDM() ;
167  asdm_->setFromFile( filename ) ;
168
169  if ( antennaId_ == -1 ) {
170    AntennaTable &atab = asdm_->getAntenna() ;
171    vector<AntennaRow *> rows = atab.get() ;
172    int idx = -1 ;
173    for ( casa::uInt irow = 0 ; irow < rows.size() ; irow++ ) {
174      if ( casa::String(rows[irow]->getName()) == antennaName_ ) {
175        idx = rows[irow]->getAntennaId().getTagValue() ;
176        break ;
177      }
178    }
179    if ( idx == -1 ) {
180      close() ;
181      throw (casa::AipsError( antennaName_ + " not found." )) ;
182    }
183    else {
184      antennaId_ = idx ;
185    }
186  }
187
188  // set antenna name
189  if ( antennaName_.size() == 0 ) {
190    AntennaTable &atab = asdm_->getAntenna() ;
191    Tag tag( antennaId_, TagType::Antenna ) ;
192    AntennaRow *arow = atab.getRowByKey( tag ) ;
193    if ( arow == 0 ) {
194      close() ;
195      throw (casa::AipsError( tag.toString() + " not found." )) ;
196    }
197    else {
198      antennaName_ = casa::String( arow->getName() ) ;
199    }
200  }
201
202  // create SDMBinData object
203  sdmBin_ = new SDMBinData( asdm_, filename ) ;
204
205  // get Main rows
206  //mainRow_ = casa::Vector<MainRow *>(asdm_->getMain().get()) ;
207
208  // set up IFNO
209  setupIFNO() ;
210
211  // process Station table
212  processStation() ;
213
214  logsink_->postLocally( LogMessage(  "antennaId_ = "+String::toString(antennaId_), LogOrigin() ) ) ;
215  logsink_->postLocally( LogMessage(  "antennaName_ = "+antennaName_, LogOrigin() ) ) ;
216
217  return true ;
218}
219
220// void ASDMReader::fill()
221// {
222// }
223
224void ASDMReader::close()
225{
226  clearMainRow() ;
227
228  if ( sdmBin_ )
229    delete sdmBin_ ;
230  sdmBin_ = 0 ;
231
232  if ( asdm_ )
233    delete asdm_ ;
234  asdm_ = 0 ;
235
236  return ;
237}
238
239void ASDMReader::fillHeader( casa::Int &nchan,
240                             casa::Int &npol,
241                             casa::Int &nif,
242                             casa::Int &nbeam,
243                             casa::String &observer,
244                             casa::String &project,
245                             casa::String &obstype,
246                             casa::String &antennaname,
247                             casa::Vector<casa::Double> &antennaposition,
248                             casa::Float &equinox,
249                             casa::String &freqref,
250                             casa::Double &reffreq,
251                             casa::Double &bandwidth,
252                             casa::Double &utc,
253                             casa::String &fluxunit,
254                             casa::String &epoch,
255                             casa::String &poltype )
256{
257  String funcName = "fillHeader" ;
258
259  ExecBlockTable &ebtab = asdm_->getExecBlock() ;
260  // at the moment take first row of ExecBlock table
261  ExecBlockRow *ebrow = ebtab.get()[0] ;
262  casa::String telescopeName( ebrow->getTelescopeName() ) ;
263  AntennaTable &atab = asdm_->getAntenna() ;
264  AntennaRow *arow = atab.getRowByKey( Tag( antennaId_, TagType::Antenna ) ) ;
265  //StationTable &stab = asdm_->getStation() ;
266  //StationRow *srow = stab.getRowByKey( arow->getStationId() ) ;
267  StationRow *srow = arow->getStationUsingStationId() ;
268  casa::String stationName( srow->getName() ) ;
269
270  // antennaname
271  // <telescopeName>//<antennaName>@stationName
272  antennaname = telescopeName + "//" + antennaName_ + "@" + stationName ;
273  //logsink_->postLocally( LogMessage("antennaName = "+antennaname,LogOrigin(className_,funcName,WHERE)) ) ;
274
275  // antennaposition
276  //vector<Length> antpos = arow->getPosition() ;
277  vector<Length> antpos = srow->getPosition() ;
278  antennaposition.resize( 3 ) ;
279  for ( casa::uInt i = 0 ; i < 3 ; i++ )
280    antennaposition[i] = casa::Double( antpos[i].get() ) ;
281
282  // observer
283  observer = ebrow->getObserverName() ;
284
285  // project
286  // T.B.D. (project UID?)
287  project = "T.B.D. (" + ebrow->getProjectId().toString() + ")" ;
288
289  // utc
290  // start time of the project
291  utc = casa::Double( ebrow->getStartTime().getMJD() ) ;
292 
293
294  SpectralWindowTable &spwtab = asdm_->getSpectralWindow() ;
295  vector<SpectralWindowRow *> spwrows = spwtab.get() ;
296
297  // nif
298  nif = spwrows.size() ;
299
300  // nchan
301  int refidx = -1 ;
302  vector<int> nchans ;
303  for ( int irow = 0 ; irow < nif ; irow++ ) {
304    nchans.push_back( spwrows[irow]->getNumChan() ) ;
305    if ( refidx == -1 && nchans[irow] != 1 && nchans[irow] != 4 )
306      refidx = irow ;
307  }
308  nchan = casa::Int( *max_element( nchans.begin(), nchans.end() ) ) ;
309
310  //logsink_->postLocally( LogMessage("refidx = "+String::toString(refidx),LogOrigin(className_,funcName,WHERE)) ) ;
311
312  // bandwidth
313  vector<double> bws ;
314  for ( int irow = 0 ; irow < nif ; irow++ ) {
315    if ( nchans[irow] != 4 ) { // exclude WVR data
316      bws.push_back( spwrows[irow]->getTotBandwidth().get() ) ;
317    }
318  }
319  bandwidth = casa::Double( *max_element( bws.begin(), bws.end() ) ) ;
320
321  // reffreq
322  reffreq = casa::Double( spwrows[refidx]->getRefFreq().get() ) ;
323
324  // freqref
325  if ( spwrows[refidx]->isMeasFreqRefExists() ) {
326    string mfr = CFrequencyReferenceCode::name( spwrows[refidx]->getMeasFreqRef() ) ;
327    if (mfr == "TOPO") {
328      freqref = "TOPOCENT";
329    } else if (mfr == "GEO") {
330      freqref = "GEOCENTR";
331    } else if (mfr == "BARY") {
332      freqref = "BARYCENT";
333    } else if (mfr == "GALACTO") {
334      freqref = "GALACTOC";
335    } else if (mfr == "LGROUP") {
336      freqref = "LOCALGRP";
337    } else if (mfr == "CMB") {
338      freqref = "CMBDIPOL";
339    } else if (mfr == "REST") {
340      freqref = "SOURCE";
341    }
342
343  }
344  else {
345    // frequency reference is TOPOCENT by default
346    freqref = "TOPOCENT" ;
347  }
348
349
350  PolarizationTable &ptab = asdm_->getPolarization() ;
351  vector<PolarizationRow *> prows = ptab.get() ;
352  vector<int> npols ;
353  refidx = -1 ;
354  for ( unsigned int irow = 0 ; irow < prows.size() ; irow++ ) {
355    npols.push_back( prows[irow]->getNumCorr() ) ;
356    if ( refidx == -1 && npols[irow] != 1 )
357      refidx = irow ;
358  }
359  if ( refidx == -1 )
360    refidx = 0 ;
361
362  // npol
363  npol = casa::Int( *max_element( npols.begin(), npols.end() ) ) ;
364
365  // poltype
366  vector<StokesParameter> corrType = prows[refidx]->getCorrType() ;
367  if ( corrType[0] == I ||
368       corrType[0] == Q ||
369       corrType[0] == U ||
370       corrType[0] == V )
371    poltype = "stokes" ;
372  else if ( corrType[0] == RR ||
373            corrType[0] == RL ||
374            corrType[0] == LR ||
375            corrType[0] == LL )
376    poltype = "circular" ;
377  else if ( corrType[0] == XX ||
378            corrType[0] == XY ||
379            corrType[0] == YX ||
380            corrType[0] == YY )
381    poltype = "linear" ;
382  else if ( corrType[0] == PLINEAR ||
383            corrType[0] == PANGLE ) {
384    poltype = "linpol" ;
385  }
386  else {
387    poltype = "notype" ;
388  }
389
390
391  FeedTable &ftab = asdm_->getFeed() ;
392  vector<FeedRow *> frows = ftab.get() ;
393  vector<int> nbeams ;
394  for ( unsigned int irow = 0 ; irow < frows.size() ; irow++ ) {
395    if ( frows[irow]->isFeedNumExists() )
396      nbeams.push_back( frows[irow]->getFeedNum() ) ;
397    else
398      nbeams.push_back( 1 ) ;
399  }
400
401  // nbeam
402  nbeam = casa::Int( *max_element( nbeams.begin(), nbeams.end() ) ) ;
403
404  // fluxunit
405  // tentatively set 'K'? or empty?
406  fluxunit = "K" ;
407
408  // equinox
409  // tentatively set 2000.0
410  equinox = 2000.0 ;
411
412  // epoch
413  // tentatively set "UTC"
414  epoch = "UTC" ;
415
416  // obstype
417  // at the moment take observingMode attribute in SBSummary table
418  SBSummaryRow *sbrow = ebrow->getSBSummaryUsingSBSummaryId() ;
419  vector<string> obsmode = sbrow->getObservingMode() ;
420  obstype = "" ;
421  for ( unsigned int imode = 0 ; imode < obsmode.size() ; imode++ ) {
422    obstype += casa::String(obsmode[imode]) ;
423    if ( imode != obsmode.size()-1 )
424      obstype += "#" ;
425  }
426}
427
428void ASDMReader::selectConfigDescription()
429{
430  String funcName = "selectConfigDescription" ;
431
432  vector<ConfigDescriptionRow *> cdrows = asdm_->getConfigDescription().get() ;
433  vector<Tag> cdidTags ;
434  for ( unsigned int irow = 0 ; irow < cdrows.size() ; irow++ ) {
435    //logsink_->postLocally( LogMessage("correlationMode["+String::toString(irow)+"] = "+String::toString(cdrows[irow]->getCorrelationMode()),LogOrigin(className_,funcName,WHERE)) ) ;
436    if ( cdrows[irow]->getCorrelationMode() != CROSS_ONLY ) {
437      cdidTags.push_back( cdrows[irow]->getConfigDescriptionId() ) ;
438    }
439  }
440
441  configDescIdList_.resize( cdidTags.size() ) ;
442  for ( unsigned int i = 0 ; i < cdidTags.size() ; i++ ) {
443    configDescIdList_[i] = casa::uInt( cdidTags[i].getTagValue() ) ;
444  }
445}
446
447void ASDMReader::selectFeed()
448{
449  feedIdList_.resize(0) ;
450  vector<FeedRow *> frows = asdm_->getFeed().get() ;
451  Tag atag( antennaId_, TagType::Antenna ) ;
452  for ( unsigned int irow = 0 ; irow < frows.size() ; irow++ ) {
453    casa::uInt feedId = (casa::uInt)(frows[irow]->getFeedId() ) ;
454    if ( casa::anyEQ( feedIdList_, feedId ) )
455      continue ;
456    if ( frows[irow]->getAntennaId() == atag ) {
457      unsigned int oldsize = feedIdList_.size() ;
458      feedIdList_.resize( oldsize+1, true ) ;
459      feedIdList_[oldsize] = feedId ;
460    }
461  }
462}
463
464casa::Vector<casa::uInt> ASDMReader::getFieldIdList()
465{
466  String funcName = "getFieldIdList" ;
467
468  vector<FieldRow *> frows = asdm_->getField().get() ;
469  fieldIdList_.resize( frows.size() ) ;
470  for ( unsigned int irow = 0 ; irow < frows.size() ; irow++ ) {
471    //logsink_->postLocally( LogMessage("fieldId["+String::toString(irow)+"]="+String(frows[irow]->getFieldId().toString()),LogOrigin(className_,funcName,WHERE)) ) ;
472    fieldIdList_[irow] = frows[irow]->getFieldId().getTagValue() ;
473  }
474
475  return fieldIdList_ ;
476}
477
478casa::uInt ASDMReader::getNumMainRow()
479{
480  casa::uInt nrow = casa::uInt( mainRow_.size() ) ;
481
482  return nrow ;
483}
484
485void ASDMReader::select()
486{
487  // selection by input CorrelationMode
488  EnumSet<CorrelationMode> esCorrs ;
489  sdmBin_->select( corrMode_ ) ;
490
491  // selection by TimeSampling
492  sdmBin_->select( timeSampling_ ) ;
493
494  // selection by SpectralResolutionType
495  sdmBin_->select( resolutionType_ ) ;
496
497  // selection by AtmPhaseCorrection and output CorrelationMode
498  EnumSet<AtmPhaseCorrection> esApcs ;
499  esApcs.set( apc_ ) ;
500  // always take only autocorrelation data
501  Enum<CorrelationMode> esCorr = AUTO_ONLY ;
502  sdmBin_->selectDataSubset( esCorr, esApcs ) ;
503
504  // select valid configDescriptionId
505  selectConfigDescription() ;
506
507  // select valid feedId
508  selectFeed() ;
509}
510
511casa::Bool ASDMReader::setMainRow( casa::uInt irow )
512{
513  casa::Bool status = true ;
514  row_ = irow ;
515
516  unsigned int cdid = mainRow_[row_]->getConfigDescriptionId().getTagValue() ;
517  if ( (int)count(configDescIdList_.begin(),configDescIdList_.end(),cdid) == 0 )
518    status = false ;
519  else {
520    status = (casa::Bool)(sdmBin_->acceptMainRow( mainRow_[row_] )) ;
521  }
522  return status ;
523}
524
525casa::Bool ASDMReader::setMainRow( casa::uInt configDescId, casa::uInt fieldId )
526{
527  clearMainRow() ;
528
529  Tag configDescTag( (unsigned int)configDescId, TagType::ConfigDescription ) ;
530  Tag fieldTag( (unsigned int)fieldId, TagType::Field ) ;
531  mainRow_ = casa::Vector<MainRow *>( *(asdm_->getMain().getByContext( configDescTag, fieldTag ) ) ) ;
532 
533  return true ;
534}
535
536void ASDMReader::clearMainRow()
537{
538  mainRow_.resize(0) ;
539}
540
541void ASDMReader::setupIFNO()
542{
543  String funcName = "setupIFNO" ;
544
545  vector<SpectralWindowRow *> spwrows = asdm_->getSpectralWindow().get() ;
546  unsigned int nrow = spwrows.size() ;
547  ifno_.clear() ;
548  casa::uInt idx = 0 ;
549  casa::uInt wvridx = 0 ;
550  for ( unsigned int irow = 0 ; irow < nrow ; irow++ ) {
551    casa::uInt index ;
552    if ( isWVR( spwrows[irow] ) ) {
553      //logsink_->postLocally( LogMessage(spwrows[irow]->getSpectralWindowId().toString()+" is WVR",LogOrigin(className_,funcName,WHERE)) ) ;
554      index = wvridx ;
555    }
556    else {
557      index = ++idx ;
558    }
559    ifno_.insert( pair<Tag,casa::uInt>(spwrows[irow]->getSpectralWindowId(),index) ) ;
560    //logsink_->postLocally( LogMessage(spwrows[irow]->getSpectralWindowId().toString()+": IFNO="+String::toString(index),LogOrigin(className_,funcName,WHERE)) ) ;
561  }
562}
563
564bool ASDMReader::isWVR( SpectralWindowRow *row )
565{
566  BasebandName bbname = row->getBasebandName() ;
567  int nchan = row->getNumChan() ;
568  if ( bbname == NOBB && nchan == 4 )
569    return true ;
570  else
571    return false ;
572}
573
574// casa::Vector<casa::uInt> ASDMReader::getDataDescIdList( casa::uInt cdid )
575// {
576//   Tag cdTag( (unsigned int)cdid, TagType::ConfigDescription ) ;
577//   ConfigDescriptionRow *cdrow = asdm_->getConfigDescription().getRowByKey( cdTag ) ;
578//   vector<Tag> ddTags = cdrow->getDataDescriptionId() ;
579//   casa::Vector<casa::uInt> ddidList( ddTags.size() ) ;
580//   for ( unsigned int idd = 0 ; idd < ddTags.size() ; idd++ ) {
581//     ddidList[idd] = ddTags[idd].getTagValue() ;
582//   }
583//   return ddidList ;
584// }
585
586// casa::Vector<casa::uInt> ASDMReader::getSwitchCycleIdList( casa::uInt cdid )
587// {
588//   Tag cdTag( (unsigned int)cdid, TagType::ConfigDescription ) ;
589//   ConfigDescriptionRow *cdrow = asdm_->getConfigDescription().getRowByKey( cdTag ) ;
590//   vector<Tag> scTags = cdrow->getSwitchCycleId() ;
591//   casa::Vector<casa::uInt> scidList( scTags.size() ) ;
592//   for ( unsigned int idd = 0 ; idd < scTags.size() ; idd++ ) {
593//     scidList[idd] = scTags[idd].getTagValue() ;
594//   }
595//   return scidList ;
596// }
597
598// casa::Vector<casa::uInt> ASDMReader::getFeedIdList( casa::uInt cdid )
599// {
600//   String funcName = "getFeedIdList" ;
601//   
602//   Tag cdTag( (unsigned int)cdid, TagType::ConfigDescription ) ;
603//   ConfigDescriptionRow *cdrow = asdm_->getConfigDescription().getRowByKey( cdTag ) ;
604//   casa::Vector<casa::uInt> feedIdList ;
605//   vector<int> feedIds = cdrow->getFeedId() ;
606//   for ( unsigned int ife = 0 ; ife < feedIds.size() ; ife++ ) {
607//     logsink_->postLocally( LogMessage("feedIds["+String::toString(ife)+"]="+String::toString(feedIds[ife]),LogOrigin(className_,funcName,WHERE)) ) ;
608//     if ( casa::anyEQ( feedIdList, casa::uInt( feedIds[ife] ) ) )
609//       continue ;
610//     if ( casa::anyEQ( feedIdList_, casa::uInt( feedIds[ife] ) ) ) {
611//       casa::uInt oldsize = feedIdList.size() ;
612//       feedIdList.resize( oldsize+1, true ) ;
613//       feedIdList[oldsize] = casa::uInt( feedIds[ife] ) ;
614//     }
615//   }
616//   logsink_->postLocally( LogMessage("feedIdList.size() = "+String::toString(feedIdList.size()),LogOrigin(className_,funcName,WHERE)) ) ;
617//   return feedIdList ;
618// }
619
620casa::Bool ASDMReader::setData()
621{
622  String funcName = "setData" ;
623
624  //logsink_->postLocally( LogMessage("try to retrieve binary data",LogOrigin(className_,funcName,WHERE)) ) ;
625 
626//   EnumSet<AtmPhaseCorrection> esApcs ;
627//   esApcs.set( apc_ ) ;
628//   // always take only autocorrelation data
629//   Enum<CorrelationMode> esCorr = AUTO_ONLY ;
630//   vmsData_ = sdmBin_->getDataCols( esCorr, esApcs ) ;
631
632  // 2011/07/06 TN
633  // Workaround to avoid unwanted message from SDMBinData::getDataCols()
634  ostringstream oss ;
635  streambuf *buforg = cout.rdbuf(oss.rdbuf()) ;
636  vmsData_ = sdmBin_->getDataCols() ;
637  cout.rdbuf(buforg) ;
638
639//   logsink_->postLocally( LogMessage("oss.str() = "+oss.str(),LogOrigin(className_,funcName,WHERE)) ) ;
640//   cout << "This is test: oss.str()=" << oss.str() << endl ;
641
642
643  //logsink_->postLocally( LogMessage("processorId = "+String::toString(vmsData_->processorId),LogOrigin(className_,funcName,WHERE)) ) ;
644  //logsink_->postLocally( LogMessage("v_time.size() = "+String::toString(vmsData_->v_time.size()),LogOrigin(className_,funcName,WHERE)) ) ;
645  //logsink_->postLocally( LogMessage("   v_time[0] = "+String::toString(vmsData_->v_time[0]),LogOrigin(className_,funcName,WHERE)) ) ;
646  //logsink_->postLocally( LogMessage("v_interval.size() = "+String::toString(vmsData_->v_interval.size()),LogOrigin(className_,funcName,WHERE)) ) ;
647  //logsink_->postLocally( LogMessage("   v_interval[0] = "+String::toString(vmsData_->v_interval[0]),LogOrigin(className_,funcName,WHERE)) ) ;
648  //logsink_->postLocally( LogMessage("v_atmPhaseCorrection.size() = "+String::toString(vmsData_->v_atmPhaseCorrection.size()),LogOrigin(className_,funcName,WHERE)) ) ;
649  //logsink_->postLocally( LogMessage("binNum = "+String::toString(vmsData_->binNum),LogOrigin(className_,funcName,WHERE)) ) ;
650  //logsink_->postLocally( LogMessage("v_projectPath.size() = "+String::toString(vmsData_->v_projectPath.size()),LogOrigin(className_,funcName,WHERE)) ) ;
651  //logsink_->postLocally( LogMessage("v_antennaId1.size() = "+String::toString(vmsData_->v_antennaId1.size()),LogOrigin(className_,funcName,WHERE)) ) ;
652  //logsink_->postLocally( LogMessage("v_antennaId2.size() = "+String::toString(vmsData_->v_antennaId2.size()),LogOrigin(className_,funcName,WHERE)) ) ;
653  //logsink_->postLocally( LogMessage("v_feedId1.size() = "+String::toString(vmsData_->v_feedId1.size()),LogOrigin(className_,funcName,WHERE)) ) ;
654  //logsink_->postLocally( LogMessage("v_feedId2.size() = "+String::toString(vmsData_->v_feedId2.size()),LogOrigin(className_,funcName,WHERE)) ) ;
655  //logsink_->postLocally( LogMessage("v_dataDescId.size() = "+String::toString(vmsData_->v_dataDescId.size()),LogOrigin(className_,funcName,WHERE)) ) ;
656  //logsink_->postLocally( LogMessage("v_timeCentroid.size() = "+String::toString(vmsData_->v_timeCentroid.size()),LogOrigin(className_,funcName,WHERE)) ) ;
657  //logsink_->postLocally( LogMessage("v_exposure.size() = "+String::toString(vmsData_->v_exposure.size()),LogOrigin(className_,funcName,WHERE)) ) ;
658  //logsink_->postLocally( LogMessage("v_numData.size() = "+String::toString(vmsData_->v_numData.size()),LogOrigin(className_,funcName,WHERE)) ) ;
659  //logsink_->postLocally( LogMessage("vv_dataShape.size() = "+String::toString(vmsData_->vv_dataShape.size()),LogOrigin(className_,funcName,WHERE)) ) ;
660  //logsink_->postLocally( LogMessage("v_m_data.size() = "+String::toString(vmsData_->v_m_data.size()),LogOrigin(className_,funcName,WHERE)) ) ;
661  //logsink_->postLocally( LogMessage("v_phaseDir.size() = "+String::toString(vmsData_->v_phaseDir.size()),LogOrigin(className_,funcName,WHERE)) ) ;
662  //logsink_->postLocally( LogMessage("v_stateId.size() = "+String::toString(vmsData_->v_stateId.size()),LogOrigin(className_,funcName,WHERE)) ) ;
663  //logsink_->postLocally( LogMessage("v_msState.size() = "+String::toString(vmsData_->v_msState.size()),LogOrigin(className_,funcName,WHERE)) ) ;
664  //logsink_->postLocally( LogMessage("v_flag.size() = "+String::toString(vmsData_->v_flag.size()),LogOrigin(className_,funcName,WHERE)) ) ;
665
666  dataIdList_.clear() ;
667  unsigned int numTotalData = vmsData_->v_m_data.size() ;
668  for ( unsigned int idata = 0 ; idata < numTotalData ; idata++ ) {
669    if ( vmsData_->v_antennaId1[idata] == (int)antennaId_
670         && vmsData_->v_antennaId2[idata] == (int)antennaId_ )
671      dataIdList_.push_back( idata ) ;
672  }
673  numData_ = dataIdList_.size() ;
674  //logsink_->postLocally( LogMessage("numData_ = "+String::toString(numData_),LogOrigin(className_,funcName,WHERE)) ) ;
675  //logsink_->postLocally( LogMessage("dataSize = "+String::toString(mainRow_[row_]->getDataSize()),LogOrigin(className_,funcName,WHERE)) ) ;
676
677  return true ;
678}
679
680casa::uInt ASDMReader::getIFNo( unsigned int idx )
681{
682  Tag ddTag( vmsData_->v_dataDescId[dataIdList_[idx]], TagType::DataDescription ) ;
683  DataDescriptionRow *ddrow = asdm_->getDataDescription().getRowByKey( ddTag ) ;
684  Tag spwid = ddrow->getSpectralWindowId() ;
685  map<Tag,casa::uInt>::iterator iter = ifno_.find( spwid ) ;
686  if ( iter != ifno_.end() )
687    return iter->second ;
688  else {
689    return 0 ;
690  }
691}
692
693int ASDMReader::getNumPol( unsigned int idx )
694{
695  Tag ddTag( vmsData_->v_dataDescId[dataIdList_[idx]], TagType::DataDescription ) ;
696  DataDescriptionRow *ddrow = asdm_->getDataDescription().getRowByKey( ddTag ) ;
697  PolarizationRow *polrow = ddrow->getPolarizationUsingPolOrHoloId() ;
698  return polrow->getNumCorr() ;
699}
700
701void ASDMReader::getFrequency( unsigned int idx,
702                               double &refpix,
703                               double &refval,
704                               double &incr )
705{
706  String funcName = "getFrequency" ;
707
708  Tag ddTag( vmsData_->v_dataDescId[dataIdList_[idx]], TagType::DataDescription ) ;
709  DataDescriptionRow *ddrow = asdm_->getDataDescription().getRowByKey( ddTag ) ;
710  //Tag spwid = ddrow->getSpectralWindowId() ;
711  SpectralWindowRow *spwrow = ddrow->getSpectralWindowUsingSpectralWindowId() ;
712  int nchan = spwrow->getNumChan() ;
713  if ( nchan == 1 ) {
714    //logsink_->postLocally( LogMessage("channel averaged data",LogOrigin(className_,funcName,WHERE)) ) ;
715    refpix = 0.0 ;
716    incr = spwrow->getTotBandwidth().get() ;
717    if ( spwrow->isChanFreqStartExists() ) {
718      refval = spwrow->getChanFreqStart().get() ;
719    }
720    else if ( spwrow->isChanFreqArrayExists() ) {
721      refval = spwrow->getChanFreqArray()[0].get() ;
722    }
723    else {
724      throw (casa::AipsError( "Either chanFreqArray or chanFreqStart must exist." )) ;
725    }     
726  }
727  else if ( nchan % 2 ) {
728    // odd
729    //logsink_->postLocally( LogMessage("odd case",LogOrigin(className_,funcName,WHERE)) ) ;
730    refpix = 0.5 * ( (double)nchan - 1.0 ) ;
731    int ic = ( nchan - 1 ) / 2 ;
732    if ( spwrow->isChanWidthExists() ) {
733      incr = spwrow->getChanWidth().get() ;
734    }
735    else if ( spwrow->isChanWidthArrayExists() ) {
736      incr = spwrow->getChanWidthArray()[0].get() ;
737    }
738    else {
739      throw (casa::AipsError( "Either chanWidthArray or chanWidth must exist." )) ;
740    }     
741    if ( spwrow->isChanFreqStepExists() ) {
742      if ( spwrow->getChanFreqStep().get() < 0.0 )
743        incr *= -1.0 ;
744    }
745    else if ( spwrow->isChanFreqArrayExists() ) {
746      vector<Frequency> chanFreqArr = spwrow->getChanFreqArray() ;
747      if ( chanFreqArr[0].get() > chanFreqArr[1].get() )
748        incr *= -1.0 ;
749    }
750    else {
751      throw (casa::AipsError( "Either chanFreqArray or chanFreqStep must exist." )) ;
752    }         
753    if ( spwrow->isChanFreqStartExists() ) {
754      refval = spwrow->getChanFreqStart().get() + refpix * incr ;
755    }
756    else if ( spwrow->isChanFreqArrayExists() ) {
757      refval = spwrow->getChanFreqArray()[ic].get() ;
758    }
759    else {
760      throw (casa::AipsError( "Either chanFreqArray or chanFreqStart must exist." )) ;
761    }     
762  }
763  else {
764    // even
765    //logsink_->postLocally( LogMessage("even case",LogOrigin(className_,funcName,WHERE)) ) ;
766    refpix = 0.5 * ( (double)nchan - 1.0 ) ;
767    int ic = nchan / 2 ;
768    if ( spwrow->isChanWidthExists() ) {
769      incr = spwrow->getChanWidth().get() ;
770    }
771    else if ( spwrow->isChanWidthArrayExists() ) {
772      incr = spwrow->getChanWidthArray()[0].get() ;
773    }
774    else {
775      throw (casa::AipsError( "Either chanWidthArray or chanWidth must exist." )) ;
776    }
777    if ( spwrow->isChanFreqStepExists() ) {
778      if ( spwrow->getChanFreqStep().get() < 0.0 )
779        incr *= -1.0 ;
780    }
781    else if ( spwrow->isChanFreqArrayExists() ) {
782      vector<Frequency> chanFreqArr = spwrow->getChanFreqArray() ;
783      if ( chanFreqArr[0].get() > chanFreqArr[1].get() )
784        incr *= -1.0 ;
785    }
786    else {
787      throw (casa::AipsError( "Either chanFreqArray or chanFreqStep must exist." )) ;
788    }         
789    if ( spwrow->isChanFreqStartExists() ) {
790      refval = spwrow->getChanFreqStart().get() + refpix * incr ;
791    }
792    else if ( spwrow->isChanFreqArrayExists() ) {
793      vector<Frequency> freqs = spwrow->getChanFreqArray() ;
794      refval = 0.5 * ( freqs[ic-1].get() + freqs[ic].get() ) ;     
795    }
796    else {
797      throw (casa::AipsError( "Either chanFreqArray or chanFreqStart must exist." )) ;
798    }     
799  }
800}
801
802vector<double> ASDMReader::getRestFrequency( unsigned int idx )
803{
804  vector<double> rf( 0 ) ;
805  unsigned int index = dataIdList_[idx] ;
806  //ArrayTimeInterval tint( vmsData_->v_time[index]*s2d, vmsData_->v_interval[index]*s2d ) ;
807  double startSec = vmsData_->v_time[index] - 0.5 * vmsData_->v_interval[index] ;
808  ArrayTimeInterval tint( startSec*s2d, vmsData_->v_interval[index]*s2d ) ;
809  Tag ddtag( vmsData_->v_dataDescId[index], TagType::DataDescription ) ;
810  Tag spwtag = asdm_->getDataDescription().getRowByKey(ddtag)->getSpectralWindowId() ;
811  Tag ftag( vmsData_->v_fieldId[index], TagType::Field ) ;
812  FieldRow *frow = asdm_->getField().getRowByKey( ftag ) ;
813  if ( frow->isSourceIdExists() ) {
814    //logsink_->postLocally( LogMessage("sourceId exists",LogOrigin(className_,funcName,WHERE)) ) ;
815    int sid = frow->getSourceId() ;
816    SourceRow *srow = asdm_->getSource().getRowByKey( sid, tint, spwtag ) ;
817    if ( srow->isRestFrequencyExists() ) {
818      //logsink_->postLocally( LogMessage("restFrequency exists",LogOrigin(className_,funcName,WHERE)) ) ;
819      vector<Frequency> restfreq = srow->getRestFrequency() ;
820      rf.resize( restfreq.size() ) ;
821      for ( unsigned int i = 0 ; i < restfreq.size() ; i++ )
822        rf[i] = restfreq[i].get() ;
823    }
824  }
825  return rf ;
826}
827
828double ASDMReader::getTime( unsigned int idx )
829{
830  double tsec = vmsData_->v_time[dataIdList_[idx]] ;
831  return tsec * s2d ;
832}
833
834double ASDMReader::getInterval( unsigned int idx )
835{
836  return vmsData_->v_interval[dataIdList_[idx]] ;
837}
838
839string ASDMReader::getSourceName( unsigned int idx )
840{
841  unsigned int index = dataIdList_[idx] ;
842  //ArrayTimeInterval tint( vmsData_->v_time[index]*s2d, vmsData_->v_interval[index]*s2d ) ;
843  double startSec = vmsData_->v_time[index] - 0.5 * vmsData_->v_interval[index] ;
844  ArrayTimeInterval tint( startSec*s2d, vmsData_->v_interval[index]*s2d ) ;
845  Tag ddtag( vmsData_->v_dataDescId[index], TagType::DataDescription ) ;
846  Tag spwtag = asdm_->getDataDescription().getRowByKey(ddtag)->getSpectralWindowId() ;
847  Tag ftag( vmsData_->v_fieldId[index], TagType::Field ) ;
848  FieldRow *frow = asdm_->getField().getRowByKey( ftag ) ;
849  string srcname ;
850  if ( frow->isSourceIdExists() ) {
851    //logsink_->postLocally( LogMessage("sourceId exists",LogOrigin(className_,funcName,WHERE)) ) ;
852    int sid = frow->getSourceId() ;
853    SourceRow *srow = asdm_->getSource().getRowByKey( sid, tint, spwtag ) ;
854    srcname = srow->getSourceName() ;
855  }
856  else {
857    srcname = frow->getFieldName() ;
858  }
859  return srcname ;
860}
861
862string ASDMReader::getFieldName( unsigned int idx )
863{
864  int fid = vmsData_->v_fieldId[dataIdList_[idx]] ;
865  Tag ftag( fid, TagType::Field ) ;
866  FieldRow *frow = asdm_->getField().getRowByKey( ftag ) ;
867  ostringstream oss ;
868  oss << frow->getFieldName() << "__" << fid ;
869  return oss.str() ;
870}
871
872int ASDMReader::getSrcType( unsigned int scan,
873                            unsigned int subscan )
874{
875  int srctype = SrcType::NOTYPE ;
876  Tag ebtag = mainRow_[row_]->getExecBlockId() ;
877  ScanRow *scanrow = asdm_->getScan().getRowByKey( ebtag, (int)scan ) ;
878  ScanIntent scanIntent = scanrow->getScanIntent()[0] ;
879  SubscanRow *subrow = asdm_->getSubscan().getRowByKey( ebtag, (int)scan, (int)subscan ) ;
880  SubscanIntent subIntent = subrow->getSubscanIntent() ;
881  SwitchingMode swmode = subrow->getSubscanMode() ;
882  if ( scanIntent == OBSERVE_TARGET ) {
883    // on sky scan
884    if ( swmode == NO_SWITCHING || swmode == POSITION_SWITCHING ) {
885      // position switching
886      // tentatively set NO_SWITCHING = POSITION_SWITCHING
887      if ( subIntent == ON_SOURCE ) {
888        srctype = SrcType::PSON ;
889      }
890      else if ( subIntent == OFF_SOURCE ) {
891        srctype = SrcType::PSOFF ;
892      }
893    }
894    else if ( swmode == FREQUENCY_SWITCHING ) {
895      // frequency switching
896      if ( subIntent == ON_SOURCE ) {
897        srctype = SrcType::FSON ;
898      }
899      else if ( subIntent == OFF_SOURCE ) {
900        srctype = SrcType::FSOFF ;
901      }
902    }
903    else if ( swmode == NUTATOR_SWITCHING ) {
904      // nutator switching
905      if ( subIntent == ON_SOURCE ) {
906        srctype = SrcType::PSON ;
907      }
908      else if ( subIntent == OFF_SOURCE ) {
909        srctype = SrcType::PSOFF ;
910      }
911    }
912    else {
913      // other switching mode
914      if ( subIntent == ON_SOURCE ) {
915        srctype = SrcType::SIG ;
916      }
917      else if ( subIntent == OFF_SOURCE ) {
918        srctype = SrcType::REF ;
919      }
920    }
921  }
922  else {
923    // off sky (e.g. calibrator device) scan
924    if ( subIntent == ON_SOURCE ) {
925      srctype = SrcType::SIG ;
926    }
927    else if ( subIntent == OFF_SOURCE ) {
928      srctype = SrcType::REF ;
929    }
930    else if ( subIntent == HOT ) {
931      srctype = SrcType::HOT ;
932    }
933    else if ( subIntent == AMBIENT ) {
934      srctype = SrcType::SKY ;
935    }
936    else {
937      srctype = SrcType::CAL ;
938    }
939  }
940
941  return srctype ;
942}
943
944unsigned int ASDMReader::getSubscanNo( unsigned int idx )
945{
946  //logsink_->postLocally( LogMessage("subscan"+String::toString(vmsData_->v_msState[dataIdList_[idx]].subscanNum)+": obsmode="+String::toString(vmsData_->v_msState[dataIdList_[idx]].obsMode),LogOrigin(className_,funcName,WHERE)) ) ;
947  return vmsData_->v_msState[dataIdList_[idx]].subscanNum ;
948}
949
950vector<double> ASDMReader::getSourceDirection( unsigned int idx )
951{
952  vector<double> dir( 2, 0.0 ) ;
953  unsigned int index = dataIdList_[idx] ;
954  //ArrayTimeInterval tint( vmsData_->v_time[index]*s2d, vmsData_->v_interval[index]*s2d ) ;
955  double startSec = vmsData_->v_time[index] - 0.5 * vmsData_->v_interval[index] ;
956  ArrayTimeInterval tint( startSec*s2d, vmsData_->v_interval[index]*s2d ) ;
957  Tag ddtag( vmsData_->v_dataDescId[index], TagType::DataDescription ) ;
958  Tag spwtag = asdm_->getDataDescription().getRowByKey(ddtag)->getSpectralWindowId() ;
959  Tag ftag( vmsData_->v_fieldId[index], TagType::Field ) ;
960  FieldRow *frow = asdm_->getField().getRowByKey( ftag ) ;
961  string srcname ;
962  if ( frow->isSourceIdExists() ) {
963    //logsink_->postLocally( LogMessage("sourceId exists",LogOrigin(className_,funcName,WHERE)) ) ;
964    int sid = frow->getSourceId() ;
965    SourceRow *srow = asdm_->getSource().getRowByKey( sid, tint, spwtag ) ;
966    vector<Angle> srcdir = srow->getDirection() ;
967    if ( srow->isDirectionCodeExists() ) {
968      DirectionReferenceCode dircode = srow->getDirectionCode() ;
969      if ( dircode != J2000 ) {
970        // if not J2000, need direction conversion
971      }
972    }
973    dir[0] = srcdir[0].get() ;
974    dir[1] = srcdir[1].get() ;
975  }
976  return dir ;
977}
978
979vector<double> ASDMReader::getSourceProperMotion( unsigned int idx )
980{
981  vector<double> pm( 2, 0.0 ) ;
982  unsigned int index = dataIdList_[idx] ;
983  //ArrayTimeInterval tint( vmsData_->v_time[index]*s2d, vmsData_->v_interval[index]*s2d ) ;
984  double startSec = vmsData_->v_time[index] - 0.5 * vmsData_->v_interval[index] ;
985  ArrayTimeInterval tint( startSec*s2d, vmsData_->v_interval[index]*s2d ) ;
986  Tag ddtag( vmsData_->v_dataDescId[index], TagType::DataDescription ) ;
987  Tag spwtag = asdm_->getDataDescription().getRowByKey(ddtag)->getSpectralWindowId() ;
988  Tag ftag( vmsData_->v_fieldId[index], TagType::Field ) ;
989  FieldRow *frow = asdm_->getField().getRowByKey( ftag ) ;
990  string srcname ;
991  if ( frow->isSourceIdExists() ) {
992    //logsink_->postLocally( LogMessage("sourceId exists",LogOrigin(className_,funcName,WHERE)) ) ;
993    int sid = frow->getSourceId() ;
994    SourceRow *srow = asdm_->getSource().getRowByKey( sid, tint, spwtag ) ;
995    vector<AngularRate> srcpm = srow->getProperMotion() ;
996    pm[0] = srcpm[0].get() ;
997    pm[1] = srcpm[1].get() ;
998  }
999  return pm ;
1000}
1001
1002double ASDMReader::getSysVel( unsigned int idx )
1003{
1004  double sysvel = 0.0 ;
1005  unsigned int index = dataIdList_[idx] ;
1006  //ArrayTimeInterval tint( vmsData_->v_time[index]*s2d, vmsData_->v_interval[index]*s2d ) ;
1007  double startSec = vmsData_->v_time[index] - 0.5 * vmsData_->v_interval[index] ;
1008  ArrayTimeInterval tint( startSec*s2d, vmsData_->v_interval[index]*s2d ) ;
1009  Tag ddtag( vmsData_->v_dataDescId[index], TagType::DataDescription ) ;
1010  Tag spwtag = asdm_->getDataDescription().getRowByKey(ddtag)->getSpectralWindowId() ;
1011  Tag ftag( vmsData_->v_fieldId[index], TagType::Field ) ;
1012  FieldRow *frow = asdm_->getField().getRowByKey( ftag ) ;
1013  string srcname ;
1014  if ( frow->isSourceIdExists() ) {
1015    //logsink_->postLocally( LogMessage("sourceId exists",LogOrigin(className_,funcName,WHERE)) ) ;
1016    int sid = frow->getSourceId() ;
1017    SourceRow *srow = asdm_->getSource().getRowByKey( sid, tint, spwtag ) ;
1018    if ( srow->isSysVelExists() ) {
1019      vector<Speed> sysvelV = srow->getSysVel() ;
1020      if ( sysvelV.size() > 0 )
1021        sysvel = sysvelV[0].get() ;
1022    }
1023  }
1024  return sysvel ;
1025}
1026
1027unsigned int ASDMReader::getFlagRow( unsigned int idx )
1028{
1029  return vmsData_->v_flag[dataIdList_[idx]] ;
1030}
1031
1032vector<unsigned int> ASDMReader::getDataShape( unsigned int idx )
1033{
1034  return vmsData_->vv_dataShape[dataIdList_[idx]] ;
1035}
1036
1037float * ASDMReader::getSpectrum( unsigned int idx )
1038{
1039  map<AtmPhaseCorrection, float*> data = vmsData_->v_m_data[dataIdList_[idx]] ;
1040  //map<AtmPhaseCorrection, float*>::iterator iter = data.find(AP_UNCORRECTED) ;
1041  map<AtmPhaseCorrection, float*>::iterator iter = data.find(apc_) ;
1042  float *autoCorr = iter->second ;
1043  return autoCorr ;
1044}
1045
1046// bool * ASDMReader::getFlagChannel( unsigned int idx )
1047// {
1048//   return 0 ;
1049// }
1050
1051vector< vector<float> > ASDMReader::getTsys( unsigned int idx )
1052{
1053  unsigned int index = dataIdList_[idx] ;
1054  Tag anttag( antennaId_, TagType::Antenna ) ;
1055  int feedid = vmsData_->v_feedId1[index] ;
1056  //ArrayTimeInterval tint( vmsData_->v_time[index]*s2d, vmsData_->v_interval[index]*s2d ) ;
1057  double startSec = vmsData_->v_time[index] - 0.5 * vmsData_->v_interval[index] ;
1058  ArrayTimeInterval tint( startSec*s2d, vmsData_->v_interval[index]*s2d ) ;
1059  Tag ddtag( vmsData_->v_dataDescId[index], TagType::DataDescription ) ;
1060  Tag spwtag = asdm_->getDataDescription().getRowByKey(ddtag)->getSpectralWindowId() ;
1061  //int nchan = asdm_->getSpectralWindow().getRowByKey(spwtag)->getNumChan() ;
1062  vector< vector<float> > defaultTsys( 1, vector<float>( 1, 1.0 ) ) ;
1063  SysCalTable &sctab = asdm_->getSysCal() ;
1064  if ( sctab.size() == 0 )
1065    return defaultTsys ;
1066  SysCalRow *scrow = sctab.getRowByKey( anttag, spwtag, tint, feedid ) ;
1067  if ( scrow->isTsysSpectrumExists() ) {
1068    vector< vector<Temperature> > tsysSpec = scrow->getTsysSpectrum() ;
1069    unsigned int numReceptor = tsysSpec.size() ;
1070    unsigned int numChan = tsysSpec[0].size() ;
1071    vector< vector<float> > tsys( numReceptor, vector<float>( numChan, 1.0 ) ) ;
1072    for ( unsigned int ir = 0 ; ir < numReceptor ; ir++ ) {
1073      for ( unsigned int ic = 0 ; ic < numChan ; ic++ ) {
1074        tsys[ir][ic] = tsysSpec[ir][ic].get() ;
1075      }
1076    }
1077    return tsys ;
1078  }
1079//   else if ( scrow->isTsysExists() ) {
1080//     vector<Temperature> tsysScalar = scrow->getTsys() ;
1081//     unsigned int numReceptor = tsysScalar.size() ;
1082//     vector< vector<float> > tsys( numReceptor ) ;
1083//     for ( unsigned int ir = 0 ; ir < numReceptor ; ir++ )
1084//       tsys[ir] = vector<float>( 1, tsysScalar[ir].get() ) ;
1085//     return tsys ;
1086//   }
1087  else {
1088    return defaultTsys ;
1089  }
1090}
1091
1092vector< vector<float> > ASDMReader::getTcal( unsigned int idx )
1093{
1094  unsigned int index = dataIdList_[idx] ;
1095  Tag anttag( antennaId_, TagType::Antenna ) ;
1096  int feedid = vmsData_->v_feedId1[index] ;
1097  //ArrayTimeInterval tint( vmsData_->v_time[index]*s2d, vmsData_->v_interval[index]*s2d ) ;
1098  double startSec = vmsData_->v_time[index] - 0.5 * vmsData_->v_interval[index] ;
1099  ArrayTimeInterval tint( startSec*s2d, vmsData_->v_interval[index]*s2d ) ;
1100  Tag ddtag( vmsData_->v_dataDescId[index], TagType::DataDescription ) ;
1101  Tag spwtag = asdm_->getDataDescription().getRowByKey(ddtag)->getSpectralWindowId() ;
1102  //int nchan = asdm_->getSpectralWindow().getRowByKey(spwtag)->getNumChan() ;
1103  vector< vector<float> > defaultTcal( 1, vector<float>( 1, 1.0 ) ) ;
1104  SysCalTable &sctab = asdm_->getSysCal() ;
1105  if ( sctab.size() == 0 )
1106    return defaultTcal ;
1107  SysCalRow *scrow = sctab.getRowByKey( anttag, spwtag, tint, feedid ) ;
1108  if ( scrow->isTcalSpectrumExists() ) {
1109    vector< vector<Temperature> > tcalSpec = scrow->getTcalSpectrum() ;
1110    unsigned int numReceptor = tcalSpec.size() ;
1111    unsigned int numChan = tcalSpec[0].size() ;
1112    vector< vector<float> > tcal( numReceptor, vector<float>( numChan, 1.0 ) ) ;
1113    for ( unsigned int ir = 0 ; ir < numReceptor ; ir++ ) {
1114      for ( unsigned int ic = 0 ; ic < numChan ; ic++ ) {
1115        tcal[ir][ic] = tcalSpec[ir][ic].get() ;
1116      }
1117    }
1118    return tcal ;
1119  }
1120//   else if ( scrow->isTcalExists() ) {
1121//     vector<Temperature> tcalScalar = scrow->getTcal() ;
1122//     unsigned int numReceptor = tcalScalar.size() ;
1123//     vector< vector<float> > tcal( numReceptor, vector<float>( 1, 1.0 ) ) ;
1124//     for ( unsigned int ir = 0 ; ir < numReceptor ; ir++ )
1125//       tcal[ir][0] = tcalScalar[ir][0].get() ;
1126//     return tcal ;
1127//   }
1128  else {
1129    return defaultTcal ;
1130  }
1131}
1132
1133vector<float> ASDMReader::getOpacity( unsigned int idx )
1134{
1135  vector<float> tau(0) ;
1136  CalAtmosphereTable &atmtab = asdm_->getCalAtmosphere() ;
1137  unsigned int nrow = atmtab.size() ;
1138  if ( nrow > 0 ) {
1139    unsigned int index = dataIdList_[idx] ;
1140    //ArrayTimeInterval tint( vmsData_->v_time[index]*s2d, vmsData_->v_interval[index]*s2d ) ;
1141    double startSec = vmsData_->v_time[index] - 0.5 * vmsData_->v_interval[index] ;
1142    ArrayTimeInterval tint( startSec*s2d, vmsData_->v_interval[index]*s2d ) ;
1143    //int feedid = vmsData_->v_feedId1[index] ;
1144    //Tag atag( antennaId_, TagType::Antenna ) ;
1145    //Tag ddtag( vmsData_->v_dataDescId[index], TagType::DataDescription ) ;
1146    //DataDescriptionRow *ddrow = asdm_->getDataDescription().getRowByKey(ddtag) ;
1147    //Tag spwtag = ddrow->getSpectralWindowId() ;
1148    //SpectralWindowRow *spwrow = ddrow->getSpectralWindowUsingSpectralWindowId() ;
1149    //BasebandName bbname = spwrow->getBasebandName() ;
1150    //FeedRow *frow = asdm_->getFeed().getRowByKey( atag, spwtag, tint, feedid ) ;
1151    //int nfeed = frow->getNumReceptor() ;
1152    //vector<ReceiverRow *> rrows = frow->getReceivers() ;
1153    vector<CalAtmosphereRow *> atmrows = atmtab.get() ;
1154    //ReceiverBand rb = rrows[0]->getFrequencyBand() ;
1155    int row0 = -1 ;
1156    double eps = tint.getStart().getMJD() ;
1157    for ( unsigned int irow = 0 ; irow < nrow ; irow++ ) {
1158      CalAtmosphereRow *atmrow = atmrows[irow] ;
1159      if ( casa::String(atmrow->getAntennaName()) != antennaName_
1160           //|| atmrow->getReceiverBand() != rb
1161           //|| atmrow->getBasebandName() != bbname
1162           || atmrow->getCalDataUsingCalDataId()->getCalType() != CAL_ATMOSPHERE )
1163        continue ;
1164      else {
1165        double dt = tint.getStart().getMJD() - atmrow->getEndValidTime().getMJD() ;
1166        if ( dt >= 0 && dt < eps ) {
1167          eps = dt ;
1168          row0 = (int)irow ;
1169        }
1170      }
1171    }
1172    if ( row0 != -1 ) {
1173      CalAtmosphereRow *atmrow = atmrows[row0] ;
1174      tau = atmrow->getTau() ;
1175    }
1176  }
1177  return tau ;
1178}
1179
1180void ASDMReader::getWeatherInfo( unsigned int idx,
1181                                 float &temperature,
1182                                 float &pressure,
1183                                 float &humidity,
1184                                 float &windspeed,
1185                                 float &windaz )
1186{
1187  temperature = 0.0 ;
1188  pressure = 0.0 ;
1189  humidity = 0.0 ;
1190  windspeed = 0.0 ;
1191  windaz = 0.0 ;
1192
1193  //logsink_->postLocally( LogMessage("weatherStationId_ = "+String::toString(weatherStationId_),LogOrigin(className_,funcName,WHERE)) ) ;
1194
1195  WeatherTable &wtab = asdm_->getWeather() ;
1196  if ( wtab.size() == 0 || weatherStationId_ == -1 )
1197    return ;
1198
1199  unsigned int index = dataIdList_[idx] ;
1200  //Tag anttag( antennaId_, TagType::Antenna ) ;
1201  //Tag sttag = (asdm_->getAntenna().getRowByKey( anttag ))->getStationId() ;
1202  Tag sttag( (unsigned int)weatherStationId_, TagType::Station ) ;
1203  //ArrayTimeInterval tint( vmsData_->v_time[index]*s2d, vmsData_->v_interval[index]*s2d ) ;
1204  double startSec = vmsData_->v_time[index] - 0.5 * vmsData_->v_interval[index] ;
1205  ArrayTimeInterval tint( startSec*s2d, vmsData_->v_interval[index]*s2d ) ;
1206  //WeatherRow *wrow = wtab.getRowByKey( sttag, tint ) ;
1207  vector<WeatherRow *> *wrows = wtab.getByContext( sttag ) ;
1208  WeatherRow *wrow = (*wrows)[0] ;
1209  unsigned int nrow = wrows->size() ;
1210  //logsink_->postLocally( LogMessage("There are "+String::toString(nrow)+" rows for given context: stationId "+String::toString(weatherStationId_),LogOrigin(className_,funcName,WHERE)) ) ;
1211  ArrayTime startTime = tint.getStart() ;
1212  if ( startTime < (*wrows)[0]->getTimeInterval().getStart() ) {
1213    temperature = (*wrows)[0]->getTemperature().get() ;
1214    pressure = (*wrows)[0]->getPressure().get() ;
1215    humidity = (*wrows)[0]->getRelHumidity().get() ;
1216    windspeed = (*wrows)[0]->getWindSpeed().get() ;
1217    windaz = (*wrows)[0]->getWindDirection().get() ;
1218  }
1219  else if ( startTime > (*wrows)[nrow-1]->getTimeInterval().getStart() ) {
1220    temperature = (*wrows)[nrow-1]->getTemperature().get() ;
1221    pressure = (*wrows)[nrow-1]->getPressure().get() ;
1222    humidity = (*wrows)[nrow-1]->getRelHumidity().get() ;
1223    windspeed = (*wrows)[nrow-1]->getWindSpeed().get() ;
1224    windaz = (*wrows)[nrow-1]->getWindDirection().get() ;
1225  }
1226  else {
1227    for ( unsigned int irow = 1 ; irow < wrows->size() ; irow++ ) {
1228      wrow = (*wrows)[irow-1] ;
1229      if ( startTime < (*wrows)[irow]->getTimeInterval().getStart() ) {
1230        temperature = wrow->getTemperature().get() ;
1231        pressure = wrow->getPressure().get() ;
1232        humidity = wrow->getRelHumidity().get() ;
1233        windspeed = wrow->getWindSpeed().get() ;
1234        windaz = wrow->getWindDirection().get() ;
1235        break ;
1236      }
1237    }
1238  }
1239
1240  return ;
1241}
1242
1243void ASDMReader::processStation()
1244{
1245  antennaPad_.resize(0) ;
1246  weatherStation_.resize(0) ;
1247  StationTable &stab = asdm_->getStation() ;
1248  vector<StationRow *> srows = stab.get() ;
1249  for ( unsigned int irow = 0 ; irow < srows.size() ; irow++ ) {
1250    StationType stype = srows[irow]->getType() ;
1251    Tag stag = srows[irow]->getStationId() ;
1252    if ( stype == ANTENNA_PAD )
1253      antennaPad_.push_back( stag ) ;
1254    else if ( stype == WEATHER_STATION )
1255      weatherStation_.push_back( stag ) ;
1256  }
1257
1258   weatherStationId_ = getClosestWeatherStation() ;
1259}
1260
1261int ASDMReader::getClosestWeatherStation()
1262{
1263  if ( weatherStation_.size() == 0 )
1264    return -1 ;
1265
1266  Tag atag( antennaId_, TagType::Antenna ) ;
1267  Tag stag = (asdm_->getAntenna().getRowByKey( atag ))->getStationId() ;
1268  vector<double> apos( 3 ) ;
1269  StationTable &stab = asdm_->getStation() ;
1270  StationRow *srow = stab.getRowByKey( stag ) ;
1271  vector<Length> pos = srow->getPosition() ;
1272  apos[0] = pos[0].get() ;
1273  apos[1] = pos[1].get() ;
1274  apos[2] = pos[2].get() ;
1275 
1276  double eps = 1.0e20 ;
1277  int retval = -1 ;
1278  for ( unsigned int ir = 0 ; ir < weatherStation_.size() ; ir++ ) {
1279    srow = stab.getRowByKey( weatherStation_[ir] ) ;
1280    vector<Length> wpos = srow->getPosition() ;
1281    double dist = (apos[0]-wpos[0].get())*(apos[0]-wpos[0].get())
1282      + (apos[1]-wpos[1].get())*(apos[1]-wpos[1].get())
1283      + (apos[2]-wpos[2].get())*(apos[2]-wpos[2].get()) ;
1284    if ( dist < eps ) {
1285      retval = (int)(weatherStation_[ir].getTagValue()) ;
1286    }
1287  }
1288
1289  return retval ;
1290}
1291
1292void ASDMReader::getPointingInfo( unsigned int idx,
1293                                  vector<double> &dir,
1294                                  double &az,
1295                                  double &el,
1296                                  vector<double> &srate )
1297{
1298  String funcName = "getPointingInfo" ;
1299
1300  dir.resize(0) ;
1301  az = -1.0 ;
1302  el = -1.0 ;
1303  srate.resize(0) ;
1304
1305  Tag atag( antennaId_, TagType::Antenna ) ;
1306  unsigned int index = dataIdList_[idx] ;
1307  vector<PointingRow *> *prows = asdm_->getPointing().getByContext( atag ) ;
1308  PointingRow *prow ;
1309  PointingRow *qrow ;
1310  //ArrayTimeInterval tint( vmsData_->v_time[index]*s2d, vmsData_->v_interval[index]*s2d ) ;
1311  double startSec = vmsData_->v_time[index] - 0.5 * vmsData_->v_interval[index] ;
1312  ArrayTimeInterval tint( startSec*s2d, vmsData_->v_interval[index]*s2d ) ;
1313
1314  unsigned int nrow = prows->size() ;
1315  //logsink_->postLocally( LogMessage("There are " << nrow << " rows for given context: antennaId "+String::toString(antennaId_),LogOrigin(className_,funcName,WHERE)) ) ;
1316
1317//   for ( unsigned int irow = 0 ; irow < nrow ; irow++ ) {
1318//     prow = (*prows)[irow] ;
1319//     ArrayTimeInterval ati = prow->getTimeInterval() ;
1320//     ArrayTime pst = ati.getStart() ;
1321//     ArrayTime pet( ati.getStartInMJD()+ati.getDurationInDays() ) ;
1322//     logsink_->postLocally( LogMessage("start: "+pst.toFITS(),LogOrigin(className_,funcName,WHERE)) ) ;
1323//     logsink_->postLocally( LogMessage("end: "+pet.toFITS(),LogOrigin(className_,funcName,WHERE)) ) ;
1324//   }
1325 
1326  if ( nrow == 0 )
1327    return ;
1328
1329  srate.resize(2) ;
1330  srate[0] = 0.0 ;
1331  srate[1] = 0.0 ;
1332  az = 0.0 ;
1333  el = 0.0 ;
1334  double tcen = 0.0 ;
1335
1336  //
1337  // shape of pointingDirection is (numSample,2) if usePolynomial = False, while it is
1338  // (numTerm,2) if usePolynomial = True.
1339  //
1340  // In the former case, typical sampled time interval is 48msec, which is very small
1341  // compared with typical integration time (~a few sec).
1342  // Scan rate for this case is always [0,0] (or get slope?).
1343  //
1344  // In the later case, scan rate is (pointingDirection[1][0],pointingDirection[1][1])
1345  //
1346  // PointingDirection seems to store AZEL
1347  //
1348  ArrayTimeInterval pTime0 = (*prows)[0]->getTimeInterval() ;
1349  ArrayTimeInterval pTime1 = (*prows)[nrow-1]->getTimeInterval() ;
1350  if ( tint.getStartInMJD()+tint.getDurationInDays() < pTime0.getStartInMJD() ) {
1351    logsink_->postLocally( LogMessage( "ArrayTimeInterval out of bounds: no data for given position (tint < ptime)", LogOrigin(className_,funcName,WHERE), LogMessage::WARN ) ) ;
1352    prow = (*prows)[0] ;
1353    //vector< vector<Angle> > dirA = prow->getPointingDirection() ;
1354    vector< vector<Angle> > dirA = prow->getTarget() ;
1355    vector< vector<Angle> > offA = prow->getOffset() ;
1356    //az = dirA[0][0].get() ;
1357    //el = dirA[0][1].get() ;
1358    az = dirA[0][0].get() + offA[0][0].get() ;
1359    el = dirA[0][1].get() + offA[0][1].get() ;
1360    if ( prow->getUsePolynomials() && prow->getNumTerm() > 1 ) {
1361      //srate[0] = dirA[1][0].get() ;
1362      //srate[1] = dirA[1][1].get() ;
1363      srate[0] = dirA[1][0].get() + offA[1][0].get() ;
1364      srate[1] = dirA[1][1].get() + offA[1][1].get() ;
1365    }     
1366  }
1367  else if ( tint.getStartInMJD() > pTime1.getStartInMJD()+pTime1.getDurationInDays() ) {
1368    logsink_->postLocally( LogMessage( "ArrayTimeInterval out of bounds: no data for given position (tint > ptime)", LogOrigin(className_,funcName,WHERE), LogMessage::WARN ) ) ;
1369    prow = (*prows)[nrow-1] ;
1370    int numSample = prow->getNumSample() ;
1371    //vector< vector<Angle> > dirA = prow->getPointingDirection() ;
1372    vector< vector<Angle> > dirA = prow->getTarget() ;
1373    vector< vector<Angle> > offA = prow->getOffset() ;
1374    if ( prow->getUsePolynomials() ) {
1375      //az = dirA[0][0].get() ;
1376      //el = dirA[0][1].get() ;
1377      az = dirA[0][0].get() + offA[0][0].get() ;
1378      el = dirA[0][1].get() + offA[0][1].get() ;
1379      if ( prow->getNumTerm() > 1 ) {
1380        //srate[0] = dirA[1][0].get() ;
1381        //srate[1] = dirA[1][1].get() ;
1382        srate[0] = dirA[1][0].get() + offA[1][0].get() ;
1383        srate[1] = dirA[1][1].get() + offA[1][0].get() ;
1384      }
1385    }
1386    else {
1387      //az = dirA[numSample-1][0].get() ;
1388      //el = dirA[numSample-1][1].get() ;
1389      az = dirA[numSample-1][0].get() + offA[numSample-1][0].get() ;
1390      el = dirA[numSample-1][1].get() + offA[numSample-1][1].get() ;
1391    }
1392  }
1393  else {
1394    ArrayTime startTime = tint.getStart() ;
1395    ArrayTime endTime( tint.getStartInMJD()+tint.getDurationInDays() ) ;
1396    int row0 = -1 ;
1397    int row1 = -1 ;
1398    int row2 = -1 ;
1399    double dt0 = getMidTime( tint ).getMJD() ;
1400    for ( unsigned int irow = 0 ; irow < nrow ; irow++ ) {
1401      prow = (*prows)[irow] ;
1402      double dt = getMidTime( tint ).getMJD() - getMidTime( prow->getTimeInterval() ).getMJD() ;
1403      if ( dt > 0 && dt < dt0 ) {
1404        dt0 = dt ;
1405        row2 = irow ;
1406      }
1407      if ( prow->getTimeInterval().contains( startTime ) )
1408        row0 = irow ;
1409      else if ( prow->getTimeInterval().contains( endTime ) )
1410        row1 = irow ;
1411      if ( row0 != -1 && row1 != -1 )
1412        break ;
1413    }
1414    //logsink_->postLocally( LogMessage("row0 = "+String::toString(row0)+", row1 = "+String::toString(row1)+", row2 = "+String::toString(row2),LogOrigin(className_,funcName,WHERE)) ) ;
1415    if ( row0 == -1 && row1 == -1 ) {
1416      prow = (*prows)[row2] ;
1417      qrow = (*prows)[row2+1] ;
1418      double t0 = getEndTime( prow->getTimeInterval() ).getMJD() ;
1419      double t1 = qrow->getTimeInterval().getStartInMJD() ;
1420      double t = startTime.getMJD() ;
1421      //vector< vector<Angle> > dirA = prow->getPointingDirection() ;
1422      //vector< vector<Angle> > dirB = qrow->getPointingDirection() ;
1423      vector< vector<Angle> > dirA = prow->getTarget() ;
1424      vector< vector<Angle> > offA = prow->getOffset() ;
1425      vector< vector<Angle> > dirB = qrow->getTarget() ;
1426      vector< vector<Angle> > offB = qrow->getOffset() ;
1427      //double da0 = dirA[0][0].get() ;
1428      //double db0 = dirB[0][0].get() ;
1429      //double da1 = dirA[0][1].get() ;
1430      //double db1 = dirB[0][1].get() ;
1431      double da0 = dirA[0][0].get() + offA[0][0].get() ;
1432      double db0 = dirB[0][0].get() + offB[0][0].get() ;
1433      double da1 = dirA[0][1].get() + offA[0][1].get() ;
1434      double db1 = dirB[0][1].get() + offB[0][1].get() ;
1435      if ( prow->getUsePolynomials() && qrow->getUsePolynomials() ) {
1436        double dt = ( t - t0 ) / ( t1 - t0 ) ;
1437        az = da0 + ( db0 - da0 ) * dt ;
1438        el = da1 + ( db1 - da1 ) * dt ;
1439        if ( prow->getNumTerm() > 0 && qrow->getNumTerm() > 1 ) {
1440          //double ra0 = dirA[1][0].get() ;
1441          //double rb0 = dirB[1][0].get() ;
1442          //double ra1 = dirA[1][1].get() ;
1443          //double rb1 = dirB[1][1].get() ;
1444          double ra0 = dirA[1][0].get() + offA[1][0].get() ;
1445          double rb0 = dirB[1][0].get() + offB[1][0].get() ;
1446          double ra1 = dirA[1][1].get() + offA[1][1].get() ;
1447          double rb1 = dirB[1][1].get() + offB[1][1].get() ;         
1448          srate[0] = ra0 + ( rb0 - ra0 ) * dt ;
1449          srate[1] = ra1 + ( rb1 - ra1 ) * dt ;
1450        }
1451      }
1452      else if ( !(qrow->getUsePolynomials()) ) {
1453        double dt = ( t - t0 ) / ( t1 - t0 ) ;
1454        az = da0 + ( db0 - da0 ) * dt ;
1455        el = da1 + ( db1 - da1 ) * dt ;
1456      }
1457      //else {
1458      // nothing to do
1459      //}
1460    }
1461    else {
1462      int ndir = 0 ;
1463      if ( row0 == -1 ) {
1464        row0 = row1 ;
1465      }
1466      else if ( row1 == -1 ) {
1467        row1 = row0 ;
1468      }
1469      prow = (*prows)[row0] ;
1470      qrow = (*prows)[row1] ;
1471      if ( prow->getUsePolynomials() && qrow->getUsePolynomials() ) {
1472        //logsink_->postLocally( LogMessage("usePolynomial = True",LogOrigin(className_,funcName,WHERE)) ) ;
1473        if ( row0 == row1 ) {
1474          prow = (*prows)[row0] ;
1475          //vector< vector<Angle> > dirA = prow->getPointingDirection() ;
1476          vector< vector<Angle> > dirA = prow->getTarget() ;
1477          vector< vector<Angle> > offA = prow->getOffset() ;
1478          //az = dirA[0][0].get() ;
1479          //el = dirA[0][1].get() ;
1480          az = dirA[0][0].get() + offA[0][0].get() ;
1481          el = dirA[0][1].get() + offA[0][1].get() ;
1482          if ( prow->getNumTerm() > 1 ) {
1483            //srate[0] = dirA[1][0].get() ;
1484            //srate[1] = dirA[1][1].get() ;
1485            srate[0] = dirA[1][0].get() + offA[1][0].get() ;
1486            srate[1] = dirA[1][1].get() + offA[1][0].get() ;
1487          }
1488        }
1489        else {
1490          prow = (*prows)[row0] ;
1491          qrow = (*prows)[row1] ;
1492          //vector< vector<Angle> > dirA = qrow->getPointingDirection() ;
1493          //vector< vector<Angle> > dirB = qrow->getPointingDirection() ;
1494          vector< vector<Angle> > dirA = qrow->getTarget() ;
1495          vector< vector<Angle> > offA = prow->getOffset() ;
1496          vector< vector<Angle> > dirB = qrow->getTarget() ;
1497          vector< vector<Angle> > offB = qrow->getOffset() ;
1498          double t0 = getMidTime( prow->getTimeInterval() ).getMJD() ;
1499          double t1 = getMidTime( qrow->getTimeInterval() ).getMJD() ;
1500          double t = startTime.getMJD() ;
1501          double dt = ( t - t0 ) / ( t1 - t0 ) ;
1502          //double da0 = dirA[0][0].get() ;
1503          //double db0 = dirB[0][0].get() ;
1504          //double da1 = dirA[0][1].get() ;
1505          //double db1 = dirB[0][1].get() ;
1506          double da0 = dirA[0][0].get() + offA[0][0].get() ;
1507          double db0 = dirB[0][0].get() + offB[0][0].get() ;
1508          double da1 = dirA[0][1].get() + offA[0][1].get() ;
1509          double db1 = dirB[0][1].get() + offB[0][1].get() ;
1510          az = da0 + ( db0 - da0 ) * dt ;
1511          el = da1 + ( db1 - db0 ) * dt ;
1512          if ( prow->getNumTerm() > 0 && qrow->getNumTerm() > 1 ) {
1513            //double ra0 = dirA[1][0].get() ;
1514            //double rb0 = dirB[1][0].get() ;
1515            //double ra1 = dirA[1][1].get() ;
1516            //double rb1 = dirB[1][1].get() ;
1517            double ra0 = dirA[1][0].get() + offA[1][0].get() ;
1518            double rb0 = dirB[1][0].get() + offB[1][0].get() ;
1519            double ra1 = dirA[1][1].get() + offA[1][1].get() ;
1520            double rb1 = dirB[1][1].get() + offB[1][1].get() ;         
1521            srate[0] = ra0 + ( rb0 - ra0 ) * dt ;
1522            srate[1] = ra1 + ( rb1 - ra1 ) * dt ;
1523          }
1524        }
1525      }
1526      else if ( prow->getUsePolynomials() == qrow->getUsePolynomials() ) {
1527        //logsink_->postLocally( LogMessage("numSample == numTerm",LogOrigin(className_,funcName,WHERE)) ) ;
1528        for ( int irow = row0 ; irow <= row1 ; irow++ ) {
1529          prow = (*prows)[irow] ;
1530          int numSample = prow->getNumSample() ;
1531          //logsink_->postLocally( LogMessage("numSample = "+String::toString(numSample),LogOrigin(className_,funcName,WHERE)) ) ;
1532          //vector< vector<Angle> > dirA = prow->getPointingDirection() ;
1533          vector< vector<Angle> > dirA = prow->getTarget() ;
1534          vector< vector<Angle> > offA = prow->getOffset() ;
1535          if ( prow->isSampledTimeIntervalExists() ) {
1536            //logsink_->postLocally( LogMessage("sampledTimeIntervalExists",LogOrigin(className_,funcName,WHERE)) ) ;
1537            vector<ArrayTimeInterval> stime = prow->getSampledTimeInterval() ;
1538            for ( int isam = 0 ; isam < numSample ; isam++ ) {
1539              //if ( tint.overlaps( stime[isam] ) ) {
1540              if ( tint.contains( stime[isam] ) ) {
1541                //az += dirA[isam][0].get() ;
1542                //el += dirA[isam][1].get() ;
1543                az += dirA[isam][0].get() + offA[isam][0].get() ;
1544                el += dirA[isam][1].get() + offA[isam][1].get() ;
1545                ndir++ ;
1546              }
1547            }
1548          }
1549          else {
1550            double sampleStart = prow->getTimeInterval().getStartInMJD() ;
1551            double sampleInterval = prow->getTimeInterval().getDurationInDays() / (double)numSample ;
1552            //logsink_->postLocally( LogMessage("sampleStart = "+String::toString(sampleStart),LogOrigin(className_,funcName,WHERE)) )
1553            //logsink_->postLocally( LogMessage("sampleInterval = "+String::toString(sampleInterval),LogOrigin(className_,funcName,WHERE)) ) ;
1554            //logsink_->postLocally( LogMessage("tint = "+tint.toString(),LogOrigin(className_,funcName,WHERE)) ) ;
1555            for ( int isam = 0 ; isam < numSample ; isam++ ) {
1556              ArrayTimeInterval stime( sampleStart+isam*sampleInterval, sampleInterval ) ;
1557              //if ( tint.overlaps( stime ) ) {
1558              if ( tint.contains( stime ) ) {
1559                //az += dirA[isam][0].get() ;
1560                //el += dirA[isam][1].get() ;
1561                az += dirA[isam][0].get() + offA[isam][0].get() ;
1562                el += dirA[isam][1].get() + offA[isam][1].get() ;
1563                tcen += getMidTime( stime ).getMJD() ;
1564                ndir++ ;
1565              }
1566            }
1567          }
1568        }
1569        if ( ndir > 1 ) {
1570          az /= (double)ndir ;
1571          el /= (double)ndir ;
1572          tcen /= (double)ndir ;
1573        }
1574      }
1575      //else {
1576      // nothing to do
1577      //}
1578    }
1579   
1580    AntennaRow *arow = asdm_->getAntenna().getRowByKey( Tag( antennaId_, TagType::Antenna ) ) ;
1581    StationRow *srow = arow->getStationUsingStationId() ;
1582    vector<Length> antposL = srow->getPosition() ;
1583    casa::Vector<casa::Double> antpos( 3 ) ;
1584    for ( int i = 0 ; i < 3 ; i++ )
1585      antpos[i] = antposL[i].get() ;
1586    //logsink_->postLocally( LogMessage("tcen = "+String::toString(tcen),LogOrigin(className_,funcName,WHERE)) ) ;
1587    //logsink_->postLocally( LogMessage("antpos = "+String::toString(antpos),LogOrigin(className_,funcName,WHERE)) ) ;
1588    toJ2000( dir, az, el, tcen, antpos ) ;
1589
1590  }
1591
1592  return ;
1593}
1594
1595ArrayTime ASDMReader::getMidTime( const ArrayTimeInterval &t )
1596{
1597  return ArrayTime( t.getStartInMJD() + 0.5 * t.getDurationInDays() ) ;
1598}
1599
1600ArrayTime ASDMReader::getEndTime( const ArrayTimeInterval &t )
1601{
1602  return ArrayTime( t.getStartInMJD() + t.getDurationInDays() ) ;
1603}
1604
1605ArrayTime ASDMReader::getStartTime( const ArrayTimeInterval &t )
1606{
1607  return ArrayTime( t.getStartInMJD() ) ;
1608}
1609
1610void ASDMReader::toJ2000( vector<double> &dir,
1611                          double az,
1612                          double el,
1613                          double mjd,
1614                          casa::Vector<casa::Double> antpos )
1615{
1616  String funcName = "toJ2000" ;
1617
1618  casa::Vector<casa::Double> azel( 2 ) ;
1619  azel[0] = az ;
1620  azel[1] = el ;
1621  casa::MEpoch me( casa::Quantity( (casa::Double)mjd, "d" ), casa::MEpoch::UTC ) ;
1622  casa::Vector<casa::Quantity> qantpos( 3 ) ;
1623  qantpos[0] = casa::Quantity( antpos[0], "m" ) ;
1624  qantpos[1] = casa::Quantity( antpos[1], "m" ) ;
1625  qantpos[2] = casa::Quantity( antpos[2], "m" ) ;
1626  casa::MPosition mp( casa::MVPosition( qantpos ),
1627                      casa::MPosition::ITRF ) ;
1628  //ostringstream oss ;
1629  //mp.print( oss ) ;
1630  //logsink_->postLocally( LogMessage(oss.str(),LogOrigin(className_,funcName,WHERE)) ) ;
1631
1632  casa::MeasFrame mf( me, mp ) ;
1633  casa::MDirection::Convert toj2000( casa::MDirection::AZELGEO,
1634  //MDirection::Convert toj2000( MDirection::AZEL,
1635  //MDirection::Convert toj2000( MDirection::AZELSW,
1636  //MDirection::Convert toj2000( MDirection::AZELSWGEO,
1637  //MDirection::Convert toj2000( MDirection::AZELNE,
1638  //MDirection::Convert toj2000( MDirection::AZELNEGEO,
1639                                     casa::MDirection::Ref( casa::MDirection::J2000, mf ) ) ;
1640  casa::Vector<casa::Double> cdir = toj2000( azel ).getAngle( "rad" ).getValue() ;
1641  //logsink_->postLocally( LogMessage("cdir = "+String::toString(cdir),LogOrigin(className_,funcName,WHERE)) ) ;
1642  dir.resize(2) ;
1643  dir[0] = (double)(cdir[0]) ;
1644  dir[1] = (double)(cdir[1]) ;
1645}
1646
1647void ASDMReader::setLogger( CountedPtr<LogSinkInterface> &logsink )
1648{
1649  logsink_ = logsink ;
1650}
1651
1652string ASDMReader::getFrame()
1653{
1654  String funcName = "getFrame" ;
1655 
1656  // default is TOPO
1657  string frame = "TOPO" ;
1658
1659  SpectralWindowTable &spwtab = asdm_->getSpectralWindow() ;
1660  vector<SpectralWindowRow *> rows = spwtab.get() ;
1661  vector<FrequencyReferenceCode> measFreqRef( rows.size() ) ;
1662  int nref = 0 ;
1663  for ( unsigned int irow = 0 ; irow < rows.size() ; irow++ ) {
1664    int nchan = rows[irow]->getNumChan() ;
1665    if ( nchan != 4 ) {
1666      if ( rows[irow]->isMeasFreqRefExists() ) {
1667        measFreqRef[nref] = rows[irow]->getMeasFreqRef() ;
1668        nref++ ;
1669      }
1670    }
1671  }
1672  if ( nref != 0 ) {
1673    frame = CFrequencyReferenceCode::toString( measFreqRef[0] ) ;
1674  }
1675 
1676  logsink_->postLocally( LogMessage("frame = "+String::toString(frame),LogOrigin(className_,funcName,WHERE)) ) ;
1677
1678  return frame ;
1679}
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