00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // $Id$ 00027 // 00028 //--------------------------------------------------------------------------- 00029 // 00030 // ClassName: G4StepLimiterBuilder 00031 // 00032 // Author: V.Ivanchenko 24.11.2004 00033 // 00034 // Modified: 00035 // 00036 //---------------------------------------------------------------------------- 00037 // 00038 // 00039 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00040 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00041 00042 #include "G4StepLimiterBuilder.hh" 00043 00044 #include "G4ParticleDefinition.hh" 00045 #include "G4ProcessManager.hh" 00046 00047 #include "G4StepLimiter.hh" 00048 #include "G4UserSpecialCuts.hh" 00049 00050 // factory 00051 #include "G4PhysicsConstructorFactory.hh" 00052 // 00053 G4_DECLARE_PHYSCONSTR_FACTORY(G4StepLimiterBuilder); 00054 00055 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00056 00057 G4StepLimiterBuilder::G4StepLimiterBuilder(const G4String& name) 00058 : G4VPhysicsConstructor(name) 00059 { 00060 fStepLimiter = new G4StepLimiter(); 00061 fUserSpecialCuts = new G4UserSpecialCuts(); 00062 } 00063 00064 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00065 00066 G4StepLimiterBuilder::~G4StepLimiterBuilder() 00067 { 00068 delete fStepLimiter; 00069 delete fUserSpecialCuts; 00070 } 00071 00072 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00073 00074 void G4StepLimiterBuilder::ConstructParticle() 00075 {} 00076 00077 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 00078 00079 void G4StepLimiterBuilder::ConstructProcess() 00080 { 00081 theParticleIterator->reset(); 00082 00083 while ((*theParticleIterator)()) { 00084 G4ParticleDefinition* particle = theParticleIterator->value(); 00085 G4ProcessManager* pmanager = particle->GetProcessManager(); 00086 G4double charge = particle->GetPDGCharge(); 00087 00088 if(!particle->IsShortLived()) { 00089 if (charge != 0.0) { 00090 // All charged particles should have a step limiter 00091 // to make sure that the steps do not get too long. 00092 pmanager->AddDiscreteProcess(fStepLimiter); 00093 pmanager->AddDiscreteProcess(fUserSpecialCuts); 00094 } else { 00095 // Energy cuts for all other neutral particles 00096 pmanager->AddDiscreteProcess(fUserSpecialCuts); 00097 } 00098 } 00099 } 00100 } 00101 00102 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......