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geant4/examples/advanced/underground_physics/src/DMXStackingAction.cc
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//
// ********************************************************************
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//
//
// --------------------------------------------------------------
// GEANT 4 - Underground Dark Matter Detector Advanced Example
//
// For information related to this code contact: Alex Howard
// e-mail: alexander.howard@cern.ch
// --------------------------------------------------------------
// Comments
//
// Underground Advanced
// by A. Howard and H. Araujo
// (27th November 2001)
//
// StackingAction program
// --------------------------------------------------------------
#include "DMXStackingAction.hh"
#include "DMXStackingActionMessenger.hh"
#include "DMXDetectorConstruction.hh"
#include "G4Track.hh"
#include "G4TrackStatus.hh"
#include "G4VPhysicalVolume.hh"
#include "G4Navigator.hh"
#include "G4TransportationManager.hh"
#include "G4ParticleDefinition.hh"
#include "G4ParticleTypes.hh"
DMXStackingAction::DMXStackingAction() {
// new messenger
theMessenger = new DMXStackingActionMessenger(this);
// messenger defaults
killGammasFlag = 0;
// global geometry navigator
gNavigator = G4TransportationManager::GetTransportationManager()
->GetNavigatorForTracking();
}
DMXStackingAction::~DMXStackingAction() {
delete theMessenger;
}
G4ClassificationOfNewTrack DMXStackingAction::ClassifyNewTrack
(const G4Track* aTrack) {
static G4int gammasKilled = 0;
G4ClassificationOfNewTrack classification = fWaiting;
// Kill gammas from neutrons in concrete wall
if(killGammasFlag) {
// check if particle is gamma
G4ParticleDefinition* particleType = aTrack->GetDefinition();
if(particleType==G4Gamma::GammaDefinition()) {
// check if particle is in world_phys
G4ThreeVector pos = aTrack->GetPosition();
G4ThreeVector *ptr = NULL;
G4VPhysicalVolume *theVolume;
theVolume = gNavigator->LocateGlobalPointAndSetup(pos,ptr,false);
if(theVolume->GetName() == "world_phys") {
classification = fKill;
G4cout << " Total for session Gammas killed in concrete wall (world_phys): "
<< ++gammasKilled << G4endl;
}
}
}
return classification;
}
void DMXStackingAction::NewStage() {;}
void DMXStackingAction::PrepareNewEvent() {;}