Set d0 and z0 of the TrackStateAtCalo always to 0.

iLCSoft · Mar 8, 2024 · e7c597f · e7c597f
1 parent fe72b7f
commit e7c597f
Showing 1 changed file with 5 additions and 7 deletions.
diff --git a/src/MarlinTrkUtils.cc b/src/MarlinTrkUtils.cc
@@ -867,14 +867,12 @@ namespace MarlinTrk {
  } 
  }
 
- //fg: for curling tracks the propagated track has the wrong z0 whereas it should be 0. really 
- if( std::abs( trkStateCalo->getZ0() ) > std::abs( 2.*M_PI/trkStateCalo->getOmega() * trkStateCalo->getTanLambda() ) ){
+ //bd: d0 and z0 of the track state at the calorimeter must be 0 by definition for all tracks.
+ streamlog_out( DEBUG2 ) << " >>>>>>>>>>> createTrackStateAtCaloFace : setting d0 and z0 to 0. for track state at calorimeter : " 
+ << toString(trkStateCalo ) << std::endl ;
 
- streamlog_out( DEBUG2 ) << " >>>>>>>>>>> createTrackStateAtCaloFace : setting z0 to 0. for track state at calorimeter : " 
- << toString(trkStateCalo ) << std::endl ;
-
- trkStateCalo->setZ0( 0. ) ;
- } 
+ trkStateCalo->setD0( 0. ) ;
+ trkStateCalo->setZ0( 0. ) ;
 
  if (return_error !=IMarlinTrack::success ) {
  streamlog_out( DEBUG5 ) << " >>>>>>>>>>> createTrackStateAtCaloFace : could not get TrackState at Calo Face: return_error = " << return_error << std::endl ;