Changeset 2251

Timestamp:

07/28/11 12:55:49 (13 years ago)

Author:

Takeshi Nakazato

Message:

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...

Simplified methods to retrieve Tsys and Tcal.

Location:

trunk/external-alma/asdm2ASAP

Files:

• ASDMReader.cc (modified) (4 diffs)
• ASDMReader.h (modified) (2 diffs)

trunk/external-alma/asdm2ASAP/ASDMReader.cc

@@ -1141 +1141 @@
 vector< vector<float> > ASDMReader::getTsys( unsigned int idx ) 
 {
-  unsigned int index = dataIdList_[idx] ;
-  Tag anttag( antennaId_, TagType::Antenna ) ;
-  int feedid = vmsData_->v_feedId1[index] ;
-  //ArrayTimeInterval tint( vmsData_->v_time[index]*s2d, vmsData_->v_interval[index]*s2d ) ;
-  double startSec = vmsData_->v_time[index] - 0.5 * vmsData_->v_interval[index] ;
-  ArrayTimeInterval tint( startSec*s2d, vmsData_->v_interval[index]*s2d ) ;
-  Tag ddtag( vmsData_->v_dataDescId[index], TagType::DataDescription ) ;
-  Tag spwtag = asdm_->getDataDescription().getRowByKey(ddtag)->getSpectralWindowId() ;
-  //int nchan = asdm_->getSpectralWindow().getRowByKey(spwtag)->getNumChan() ;
   vector< vector<float> > defaultTsys( 1, vector<float>( 1, 1.0 ) ) ;
-  SysCalTable &sctab = asdm_->getSysCal() ;
-  if ( sctab.size() == 0 ) 
-    return defaultTsys ;
-  SysCalRow *scrow = sctab.getRowByKey( anttag, spwtag, tint, feedid ) ;
+  SysCalRow *scrow = getSysCalRow( idx ) ;
   if ( scrow != 0 && scrow->isTsysSpectrumExists() ) {
     vector< vector<Temperature> > tsysSpec = scrow->getTsysSpectrum() ;
@@ -1182 +1170 @@
 vector< vector<float> > ASDMReader::getTcal( unsigned int idx ) 
 {
-  unsigned int index = dataIdList_[idx] ;
-  Tag anttag( antennaId_, TagType::Antenna ) ;
-  int feedid = vmsData_->v_feedId1[index] ;
-  //ArrayTimeInterval tint( vmsData_->v_time[index]*s2d, vmsData_->v_interval[index]*s2d ) ;
-  double startSec = vmsData_->v_time[index] - 0.5 * vmsData_->v_interval[index] ;
-  ArrayTimeInterval tint( startSec*s2d, vmsData_->v_interval[index]*s2d ) ;
-  Tag ddtag( vmsData_->v_dataDescId[index], TagType::DataDescription ) ;
-  Tag spwtag = asdm_->getDataDescription().getRowByKey(ddtag)->getSpectralWindowId() ;
-  //int nchan = asdm_->getSpectralWindow().getRowByKey(spwtag)->getNumChan() ;
   vector< vector<float> > defaultTcal( 1, vector<float>( 1, 1.0 ) ) ;
-  SysCalTable &sctab = asdm_->getSysCal() ;
-  if ( sctab.size() == 0 ) 
-    return defaultTcal ;
-  SysCalRow *scrow = sctab.getRowByKey( anttag, spwtag, tint, feedid ) ;
+  SysCalRow *scrow = getSysCalRow( idx ) ;
   if ( scrow != 0 && scrow->isTcalSpectrumExists() ) {
     vector< vector<Temperature> > tcalSpec = scrow->getTcalSpectrum() ;
@@ -1220 +1196 @@
   }
 } 
+
+void ASDMReader::getTcalAndTsys( unsigned int idx,
+                                 vector< vector<float> > &tcal,
+                                 vector< vector<float> > &tsys ) 
+{
+  String funcName = "getTcalAndTsys" ;
+
+  vector< vector<float> > defaultT( 1, vector<float>( 1, 1.0 ) ) ;
+  SysCalRow *scrow = getSysCalRow( idx ) ;
+  if ( scrow == 0 ) {
+    tcal = defaultT ;
+    tsys = defaultT ;
+  }
+  else {
+    if ( scrow->isTsysSpectrumExists() ) {
+      vector< vector<Temperature> > tsysSpec = scrow->getTsysSpectrum() ;
+      unsigned int numReceptor = tsysSpec.size() ;
+      unsigned int numChan = tsysSpec[0].size() ;
+      tsys.resize( numReceptor ) ;
+      for ( unsigned int ir = 0 ; ir < numReceptor ; ir++ ) {
+        tsys[ir].resize( numChan ) ;
+        for ( unsigned int ic = 0 ; ic < numChan ; ic++ ) {
+          tsys[ir][ic] = tsysSpec[ir][ic].get() ;
+        }
+      }
+    }
+    else {
+      tsys = defaultT ;
+    }
+    if ( scrow->isTcalSpectrumExists() ) {
+      vector< vector<Temperature> > tcalSpec = scrow->getTcalSpectrum() ;
+      unsigned int numReceptor = tcalSpec.size() ;
+      unsigned int numChan = tcalSpec[0].size() ;
+      tcal.resize( numReceptor ) ;
+      for ( unsigned int ir = 0 ; ir < numReceptor ; ir++ ) {
+        tcal[ir].resize( numReceptor ) ;
+        for ( unsigned int ic = 0 ; ic < numChan ; ic++ ) {
+          tcal[ir][ic] = tcalSpec[ir][ic].get() ;
+        }
+      }
+    }
+    else {
+      tcal = defaultT ;
+    }
+  }
+}
 
 vector<float> ASDMReader::getOpacity( unsigned int idx ) 
@@ -1852 +1874 @@
   return nif ;
 }
+
+SysCalRow *ASDMReader::getSysCalRow( unsigned int idx )
+{
+  String funcName = "getSysCalRow" ;
+
+  SysCalRow *row = 0 ;
+  unsigned int index = dataIdList_[idx] ;
+  Tag anttag( antennaId_, TagType::Antenna ) ;
+  int feedid = vmsData_->v_feedId1[index] ;
+  //ArrayTimeInterval tint( vmsData_->v_time[index]*s2d, vmsData_->v_interval[index]*s2d ) ;
+  double startSec = vmsData_->v_time[index] - 0.5 * vmsData_->v_interval[index] ;
+  ArrayTimeInterval tint( startSec*s2d, vmsData_->v_interval[index]*s2d ) ;
+  Tag ddtag( vmsData_->v_dataDescId[index], TagType::DataDescription ) ;
+  Tag spwtag = asdm_->getDataDescription().getRowByKey(ddtag)->getSpectralWindowId() ;
+  //int nchan = asdm_->getSpectralWindow().getRowByKey(spwtag)->getNumChan() ;
+  vector< vector<float> > defaultTsys( 1, vector<float>( 1, 1.0 ) ) ;
+  SysCalTable &sctab = asdm_->getSysCal() ;
+  //vector<SysCalRow *> rows = sctab.get() ;
+  vector<SysCalRow *> *rows = sctab.getByContext( anttag, spwtag, feedid ) ;
+  //if ( nrow == 0 ) {
+  if ( rows == 0 ) {
+    //logsink_->postLocally( LogMessage("no rows in SysCal table",LogOrigin(className_,funcName,WHERE)) ) ;
+    row = 0 ;
+  }
+  else {
+    unsigned int nrow = rows->size() ;
+    //logsink_->postLocally( LogMessage("nrow = "+String::toString(nrow),LogOrigin(className_,funcName,WHERE)) ) ;
+    int scindex = -1 ;
+    if ( nrow == 1 ) {
+      scindex = 0 ;
+    }
+    else if ( getEndTime( tint ) <= getStartTime( (*rows)[0]->getTimeInterval() ) )
+      scindex = 0 ;
+    else {
+      for ( unsigned int irow = 0 ; irow < nrow-1 ; irow++ ) {
+        ArrayTime t = getMidTime( tint ) ;
+        if ( t > getStartTime( (*rows)[irow]->getTimeInterval() )
+             && t <= getStartTime( (*rows)[irow+1]->getTimeInterval() ) ) {
+          scindex = irow ;
+          break ;
+        }
+      }
+      if ( scindex == -1 )
+        scindex = nrow-1 ;
+    }
+    //logsink_->postLocally( LogMessage("irow = "+String::toString(scindex),LogOrigin(className_,funcName,WHERE)) ) ;
+    row = (*rows)[scindex] ;
+  }
+  return row ;
+}

trunk/external-alma/asdm2ASAP/ASDMReader.h

@@ -316 +316 @@
    **/
   std::vector< std::vector<float> > getTcal( unsigned int idx ) ;
+
+  /**
+   * get Tcal and Tsys for given index
+   *
+   * @param idx for vmsData_
+   * @param tcal Tcal
+   * @param tsys Tsys
+   **/
+  void getTcalAndTsys( unsigned int idx, 
+                       std::vector< std::vector<float> > &tcal,
+                       std::vector< std::vector<float> > &tsys ) ;
   
   /**
@@ -529 +540 @@
    **/
   int getNumIFs() ;
+
+  /**
+   * get appropriate row from SysCal table
+   *
+   * @param idx for vmsData_
+   * @return pointer to SysCalRow object (0 when no appropriate row)
+   **/
+  asdm::SysCalRow *getSysCalRow( unsigned int idx ) ;
 
   asdm::ASDM *asdm_ ; // pointer to ASDM object