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File indexing completed on 2026-09-10 08:28:26

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 /// \file StepMax.cc
0027 /// \brief Implementation of the StepMax class
0028 
0029 #include "StepMax.hh"
0030 
0031 #include "StepMaxMessenger.hh"
0032 
0033 #include "G4VPhysicalVolume.hh"
0034 
0035 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0036 
0037 StepMax::StepMax(const G4String& processName)
0038   : G4VDiscreteProcess(processName), fMaxChargedStep(DBL_MAX), fMessenger(0)
0039 {
0040   fMessenger = new StepMaxMessenger(this);
0041 }
0042 
0043 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0044 
0045 StepMax::~StepMax()
0046 {
0047   delete fMessenger;
0048 }
0049 
0050 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0051 
0052 G4bool StepMax::IsApplicable(const G4ParticleDefinition& particle)
0053 {
0054   return (particle.GetPDGCharge() != 0.);
0055 }
0056 
0057 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0058 
0059 void StepMax::SetMaxStep(G4double step)
0060 {
0061   fMaxChargedStep = step;
0062 }
0063 
0064 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0065 
0066 G4double StepMax::PostStepGetPhysicalInteractionLength(const G4Track&, G4double,
0067                                                        G4ForceCondition* condition)
0068 {
0069   // condition is set to "Not Forced"
0070   *condition = NotForced;
0071   fProposedStep = fMaxChargedStep;
0072 
0073   return fProposedStep;
0074 }
0075 
0076 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0077 
0078 G4VParticleChange* StepMax::PostStepDoIt(const G4Track& aTrack, const G4Step&)
0079 {
0080   aParticleChange.Initialize(aTrack);
0081   return &aParticleChange;
0082 }
0083 
0084 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0085 
0086 G4double StepMax::GetMeanFreePath(const G4Track&, G4double, G4ForceCondition*)
0087 {
0088   return 0.;
0089 }
0090 
0091 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......