Update tpcsd2 (#263)

* deal with case of undefined previousStep * add time information to LowPt hits
key4hep · Jan 13, 2023 · a8bcaa5 · a8bcaa5
1 parent 18e7bb4
commit a8bcaa5
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/plugins/TPCSDAction.cpp b/plugins/TPCSDAction.cpp
@@ -239,7 +239,8 @@ namespace dd4hep {
           //--------------------------------
 
 
-	  if ( (  previousStep->GetPostStepPoint()->GetPosition() - step->GetPreStepPoint()->GetPosition() ).mag() > 1.0e-6 * CLHEP::mm ) {
+	  if ( previousStep && 
+	       (  previousStep->GetPostStepPoint()->GetPosition() - step->GetPreStepPoint()->GetPosition() ).mag() > 1.0e-6 * CLHEP::mm ) {
 
 	    // This step does not continue the previous path. Deposit the energy and begin a new Pt hit.
 
@@ -405,6 +406,7 @@ namespace dd4hep {
         CumulativeMeanMomentum += (step->GetPreStepPoint()->GetMomentum() + step->GetPostStepPoint()->GetMomentum()) / 2;
 	CumulativeEnergyDeposit += step->GetTotalEnergyDeposit();
 	CumulativePathLength += step->GetStepLength();
+	CumulativeMeanTime += step->GetTrack()->GetGlobalTime();
       }
 
     };