Here is my code
G4LogicalVolume *pre_volume
= step->GetPreStepPoint()->GetTouchableHandle()
->GetVolume()->GetLogicalVolume();
G4VPhysicalVolume *post_phy_volume
= step->GetPostStepPoint()->GetTouchableHandle()
->GetVolume();
G4LogicalVolume *post_volume
= post_phy_volume
->GetLogicalVolume();
if (post_phy_volume){
if (post_volume==fScoringVolume1){ G4cout<<" Penetrate"<<G4endl;}
}
But when I run ,the pprogram crashed.
If I delete
if (post_volume==fScoringVolume1){ G4cout<<" Penetrate"<<G4endl;}
It won’t.
I wanna why