Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/examples/advanced/medical_linac/src/SteppingAction.cc

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  1 //
  2 // ********************************************************************
  3 // * License and Disclaimer                                           *
  4 // *                                                                  *
  5 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
  6 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
  7 // * conditions of the Geant4 Software License,  included in the file *
  8 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
  9 // * include a list of copyright holders.                             *
 10 // *                                                                  *
 11 // * Neither the authors of this software system, nor their employing *
 12 // * institutes,nor the agencies providing financial support for this *
 13 // * work  make  any representation or  warranty, express or implied, *
 14 // * regarding  this  software system or assume any liability for its *
 15 // * use.  Please see the license in the file  LICENSE  and URL above *
 16 // * for the full disclaimer and the limitation of liability.         *
 17 // *                                                                  *
 18 // * This  code  implementation is the result of  the  scientific and *
 19 // * technical work of the GEANT4 collaboration.                      *
 20 // * By using,  copying,  modifying or  distributing the software (or *
 21 // * any work based  on the software)  you  agree  to acknowledge its *
 22 // * use  in  resulting  scientific  publications,  and indicate your *
 23 // * acceptance of all terms of the Geant4 Software license.          *
 24 // ********************************************************************
 25 //
 26 // Code developed by
 27 // Silvia Pozzi (1), silvia.pozzi@iss.it
 28 // Barbara Caccia (1), barbara.caccia@iss.it
 29 // Carlo Mancini Terracciano (2), carlo.mancini.terracciano@roma1.infn.it
 30 // (1) Istituto Superiore di Sanita' and INFN Roma, Italy
 31 // (2) Univ. La Sapienza and INFN Roma, Italy
 32 
 33 #include "DetectorConstruction.hh"
 34 #include "SteppingAction.hh"
 35 
 36 #include <G4RunManager.hh>
 37 #include <G4Step.hh>
 38 #include <G4SystemOfUnits.hh>
 39 
 40 void SteppingAction::UserSteppingAction(const G4Step* aStep)
 41 {
 42   DetectorConstruction* detector = (DetectorConstruction*)
 43     G4RunManager::GetRunManager() -> GetUserDetectorConstruction();
 44   
 45   G4double fFilterZ = detector -> GetFFilterZ();
 46   G4double fFilterRadius = detector -> GetFFilterRadius();
 47   
 48   G4String particleName;
 49   
 50   G4VPhysicalVolume* volume = aStep -> GetPostStepPoint() -> GetTouchable() -> GetVolume();
 51   
 52   const G4ThreeVector momentumDir = aStep -> GetTrack()->  GetMomentumDirection();
 53   if (momentumDir.z() < 0)
 54     {
 55     aStep->GetTrack()->SetTrackStatus(fStopAndKill);
 56     }
 57   
 58   if ( volume != nullptr )
 59     {
 60       G4String volumeName = volume -> GetName();
 61       
 62       if (volumeName == "Jaw1XPV" || volumeName == "Jaw2XPV"
 63     || volumeName == "Jaw1YPV" || volumeName == "Jaw2YPV" )
 64   {
 65     aStep->GetTrack()->SetTrackStatus(fStopAndKill);
 66   }
 67     }
 68   
 69   if (aStep -> GetPreStepPoint() -> GetTouchable() -> GetVolume() != nullptr )
 70     {
 71       if (aStep -> GetPreStepPoint() -> GetTouchable() -> GetVolume() -> GetName() == "TargetPV" ||
 72     aStep -> GetPreStepPoint() -> GetTouchable() -> GetVolume() -> GetName() == "PriCollUpperPV" ||
 73     aStep -> GetPreStepPoint() -> GetTouchable() -> GetVolume() -> GetName() == "PriCollMiddlePV" ||
 74     aStep -> GetPreStepPoint() -> GetTouchable() -> GetVolume() -> GetName() == "PriCollLowererPV" ||
 75     aStep -> GetPreStepPoint() -> GetTouchable() -> GetVolume() -> GetName() ==  "ffPV")
 76   {
 77     if (std::abs(momentumDir.getX()/momentumDir.getZ()) > fFilterRadius/fFilterZ ||
 78         std::abs(momentumDir.getY()/momentumDir.getZ()) > fFilterRadius/fFilterZ )
 79       {
 80         aStep->GetTrack()->SetTrackStatus(fStopAndKill);
 81       }
 82   }
 83     }
 84 }
 85