include/Geant4/G4StepLimiter.hh

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 *
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0010 // *                                                                  *
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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 //
0027 //
0028 // class description
0029 //
0030 // A "process" to be registered to the process manager of each particle,
0031 // in the UserPhysicsList, in order to take into account the MaxAllowedStep
0032 // defined in the G4UserLimits object attached to a logical volume.
0033 //
0034 // ------------------------------------------------------------
0035 //                  23 Jan. 2004  H.Kurashige
0036 // ------------------------------------------------------------
0037 #ifndef G4StepLimiter_h
0038 #define G4StepLimiter_h 1
0039
0040 #include "G4ios.hh"
0041 #include "globals.hh"
0042 #include "G4VProcess.hh"
0043
0044 class G4StepLimiter : public G4VProcess
0045 {
0046   public:  // with description
0047
0048      G4StepLimiter(const G4String& processName ="StepLimiter" );
0049
0050      virtual ~G4StepLimiter();
0051
0052      virtual G4double PostStepGetPhysicalInteractionLength(
0053                              const G4Track& track,
0054                              G4double   previousStepSize,
0055                              G4ForceCondition* condition
0056                             );
0057
0058      virtual G4VParticleChange* PostStepDoIt(
0059                              const G4Track& ,
0060                              const G4Step&
0061                             );
0062
0063   public:  // without description
0064
0065      //  no operation in  AtRestGPIL
0066      virtual G4double AtRestGetPhysicalInteractionLength(
0067                              const G4Track& ,
0068                              G4ForceCondition*
0069                             ){ return -1.0; };
0070
0071      //  no operation in  AtRestDoIt
0072      virtual G4VParticleChange* AtRestDoIt(
0073                              const G4Track& ,
0074                              const G4Step&
0075                             ){return 0;};
0076
0077      //  no operation in  AlongStepGPIL
0078      virtual G4double AlongStepGetPhysicalInteractionLength(
0079                              const G4Track&,
0080                              G4double  ,
0081                              G4double  ,
0082                              G4double& ,
0083                              G4GPILSelection*
0084                             ){ return -1.0; };
0085
0086      //  no operation in  AlongStepDoIt
0087      virtual G4VParticleChange* AlongStepDoIt(
0088                              const G4Track& ,
0089                              const G4Step&
0090                             ) {return 0;};
0091
0092   private:
0093
0094   // hide assignment operator as private
0095       G4StepLimiter(G4StepLimiter&);
0096       G4StepLimiter& operator=(const G4StepLimiter& right);
0097
0098 };
0099
0100 #endif
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