ChargeExchangeMC/src/CexmcTrackPoints.cc

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0025 //
0026 /*
0027  * ============================================================================
0028  *
0029  *       Filename:  CexmcTrackPoints.cc
0030  *
0031  *    Description:  track points collection
0032  *
0033  *        Version:  1.0
0034  *        Created:  16.11.2009 13:03:03
0035  *       Revision:  none
0036  *       Compiler:  gcc
0037  *
0038  *         Author:  Alexey Radkov (),
0039  *        Company:  PNPI
0040  *
0041  * ============================================================================
0042  */
0043
0044 #include <G4HCofThisEvent.hh>
0045 #include <G4AffineTransform.hh>
0046 #include <G4UnitsTable.hh>
0047 #include "CexmcTrackPoints.hh"
0048 #include "CexmcTrackInfo.hh"
0049
0050
0051 CexmcTrackPoints::CexmcTrackPoints( const G4String &  name ) :
0052     CexmcPrimitiveScorer( name ), hcId( -1 )
0053 {
0054 }
0055
0056
0057 G4int  CexmcTrackPoints::GetTrackId( G4Step *  step )
0058 {
0059     /* NB: trackInfo for these tracks shall always exist as far as
0060      * track points filter decline tracks without it */
0061     CexmcTrackInfo *  trackInfo( static_cast< CexmcTrackInfo * >(
0062                                     step->GetTrack()->GetUserInformation() ) );
0063
0064     G4int  ret( trackInfo->GetTrackType() );
0065
0066     if ( ret == CexmcOutputParticleDecayProductTrack )
0067         ret += trackInfo->GetCopyNumber();
0068
0069     return ret;
0070 }
0071
0072
0073 G4int  CexmcTrackPoints::GetIndex( G4Step *  step )
0074 {
0075     return GetTrackId( step );
0076 }
0077
0078
0079 G4bool  CexmcTrackPoints::ProcessHits( G4Step *  step, G4TouchableHistory * )
0080 {
0081     G4int  index( GetIndex( step ) );
0082
0083     if ( ( *eventMap )[ index ] )
0084         return false;
0085
0086     G4Track *               track( step->GetTrack() );
0087     G4ParticleDefinition *  particle( track->GetDefinition() );
0088     CexmcTrackType          trackType( CexmcInsipidTrack );
0089
0090     G4StepPoint *           preStepPoint( step->GetPreStepPoint() );
0091     G4ThreeVector           position( preStepPoint->GetPosition() );
0092     G4ThreeVector           direction( preStepPoint->GetMomentumDirection() );
0093
0094     const G4AffineTransform &  transform( preStepPoint->GetTouchable()->
0095                                           GetHistory()->GetTopTransform() );
0096
0097     CexmcTrackInfo *  trackInfo( static_cast< CexmcTrackInfo * >(
0098                                                 track->GetUserInformation() ) );
0099     trackType = trackInfo->GetTrackType();
0100
0101     CexmcTrackPointInfo  trackPointInfo( transform.TransformPoint( position ),
0102                                          position,
0103                                          transform.TransformAxis( direction ),
0104                                          direction,
0105                                          preStepPoint->GetMomentum().mag(),
0106                                          particle, track->GetTrackID(),
0107                                          trackType );
0108
0109     eventMap->set( index, trackPointInfo );
0110
0111     return true;
0112 }
0113
0114
0115 void  CexmcTrackPoints::Initialize( G4HCofThisEvent *  hcOfEvent )
0116 {
0117     eventMap = new CexmcTrackPointsCollection( detector->GetName(),
0118                                                primitiveName );
0119
0120     if ( hcId < 0 )
0121         hcId = GetCollectionID( 0 );
0122
0123     hcOfEvent->AddHitsCollection( hcId, eventMap );
0124 }
0125
0126
0127 void  CexmcTrackPoints::EndOfEvent( G4HCofThisEvent * )
0128 {
0129     if ( GetVerboseLevel() > 0 )
0130         PrintAll();
0131 }
0132
0133
0134 void  CexmcTrackPoints::clear( void )
0135 {
0136     eventMap->clear();
0137 }
0138
0139
0140 void  CexmcTrackPoints::DrawAll( void )
0141 {
0142 }
0143
0144
0145 void  CexmcTrackPoints::PrintAll( void )
0146 {
0147     G4int   nmbOfEntries( eventMap->entries() );
0148
0149     if ( nmbOfEntries == 0 )
0150         return;
0151
0152     PrintHeader( nmbOfEntries );
0153
0154     for ( CexmcTrackPointsCollectionData::iterator
0155                          itr( eventMap->GetMap()->begin() );
0156                                      itr != eventMap->GetMap()->end(); ++itr )
0157     {
0158         G4cout << "       track id " << itr->first << G4endl;
0159         G4cout << "         , position: " <<
0160                 G4BestUnit( itr->second->positionLocal, "Length" ) << G4endl;
0161         G4cout << "         , direction: " <<
0162                 itr->second->directionLocal << G4endl;
0163         G4cout << "         , momentum: " <<
0164                 G4BestUnit( itr->second->momentumAmp, "Energy" ) << G4endl;
0165         G4cout << "         , particle: " <<
0166                 itr->second->particle->GetParticleName() << G4endl;
0167     }
0168 }
0169