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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.hh
0027 /// \brief Definition of the StepMax class
0028 
0029 #ifndef StepMax_h
0030 #define StepMax_h 1
0031 
0032 #include "G4ParticleDefinition.hh"
0033 #include "G4Step.hh"
0034 #include "G4VEmProcess.hh"
0035 #include "globals.hh"
0036 
0037 class DetectorConstruction;
0038 class G4VPhysicalVolume;
0039 
0040 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0041 
0042 class StepMax : public G4VEmProcess
0043 {
0044   public:
0045     explicit StepMax(DetectorConstruction* ptr, const G4String& processName = "UserMaxStep");
0046     ~StepMax() override = default;
0047 
0048     G4bool IsApplicable(const G4ParticleDefinition&) override;
0049 
0050     void PreparePhysicsTable(const G4ParticleDefinition&) override;
0051 
0052     void BuildPhysicsTable(const G4ParticleDefinition&) override;
0053 
0054     void InitialiseProcess(const G4ParticleDefinition*) override;
0055 
0056     G4double PostStepGetPhysicalInteractionLength(const G4Track& track, G4double previousStep,
0057                                                   G4ForceCondition* cond) override;
0058 
0059     G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step&) override;
0060 
0061     StepMax& operator=(const StepMax& right) = delete;
0062     StepMax(const StepMax&) = delete;
0063 
0064   private:
0065     G4double fMaxChargedStep = DBL_MAX;
0066 
0067     DetectorConstruction* fDetector;
0068     G4VPhysicalVolume* fWorld = nullptr;
0069     G4bool fIsInitialised = false;
0070 };
0071 
0072 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0073 
0074 #endif