/home/cern/BDSIM_new/include/BDSUserSpecialCuts.hh

/* BDSIM code.    Version 1.0
   Author: Grahame A. Blair, Royal Holloway, Univ. of London.
   Last modified 24.7.2002
   Copyright (c) 2002 by G.A.Blair.  ALL RIGHTS RESERVED. 
*/

// This code implementation is the intellectual property of
// the GEANT4 collaboration.
//
// By copying, distributing or modifying the Program (or any work
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
//
// $Id: BDSUserSpecialCuts.hh,v 1.1 2005/01/22 17:05:31 agapov Exp $
// GEANT4 tag $Name:  $
// ------------------------------------------------------------
//                  15 April 1998  M.Maire
// ------------------------------------------------------------
//
// class description
//
// a "process" to be registered to the process manager of each particle,
// in the UserPhysicsList, in order to take account the user limits defined in the 
// BDSUserLimits attached to a logical volume.
//

#ifndef BDSUserSpecialCuts_h
#define BDSUserSpecialCuts_h 1

#include "G4ios.hh"
#include "globals.hh"
#include "G4VProcess.hh"

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

class BDSUserSpecialCuts : public G4VProcess 
{
  public:  //with description     

     BDSUserSpecialCuts(const G4String& processName ="UserSpecialCut" );

    ~BDSUserSpecialCuts();

     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 NULL;};

     //  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 NULL;};

  private:
  
  // hide assignment operator as private 
      BDSUserSpecialCuts(BDSUserSpecialCuts&);
      BDSUserSpecialCuts& operator=(const BDSUserSpecialCuts& right);

};

#endif

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