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geant4/source/processes/transportation/include/G4StepLimiter.hh
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2018-12-07 15:15:39 +01:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
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// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
//
//
// class description
//
// A "process" to be registered to the process manager of each particle,
// in the UserPhysicsList, in order to take into account the MaxAllowedStep
// defined in the G4UserLimits object attached to a logical volume.
//
// ------------------------------------------------------------
// 23 Jan. 2004 H.Kurashige
// ------------------------------------------------------------
#ifndef G4StepLimiter_h
#define G4StepLimiter_h 1
#include "G4ios.hh"
#include "globals.hh"
#include "G4VProcess.hh"
class G4StepLimiter : public G4VProcess
{
public: // with description
G4StepLimiter(const G4String& processName ="StepLimiter" );
virtual ~G4StepLimiter();
virtual G4double PostStepGetPhysicalInteractionLength(
const G4Track& track,
G4double previousStepSize,
G4ForceCondition* condition
);
virtual G4VParticleChange* PostStepDoIt(
const G4Track& ,
const G4Step&
);
public: // without description
// no operation in AtRestGPIL
virtual G4double AtRestGetPhysicalInteractionLength(
const G4Track& ,
G4ForceCondition*
){ return -1.0; };
// no operation in AtRestDoIt
virtual G4VParticleChange* AtRestDoIt(
const G4Track& ,
const G4Step&
){return 0;};
// no operation in AlongStepGPIL
virtual G4double AlongStepGetPhysicalInteractionLength(
const G4Track&,
G4double ,
G4double ,
G4double& ,
G4GPILSelection*
){ return -1.0; };
// no operation in AlongStepDoIt
virtual G4VParticleChange* AlongStepDoIt(
const G4Track& ,
const G4Step&
) {return 0;};
private:
// hide assignment operator as private
G4StepLimiter(G4StepLimiter&);
G4StepLimiter& operator=(const G4StepLimiter& right);
};
#endif