//
// ********************************************************************
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//
// --------------------------------------------------------------
//   GEANT 4 - Underground Dark Matter Detector Advanced Example
//
//      For information related to this code contact: Alex Howard
//      e-mail: a.s.howard@ic.ac.uk
// --------------------------------------------------------------
// Comments
//
//                  Underground Advanced
//               by A. Howard and H. Araujo 
//                    (27th November 2001)
//
// G4SpecialCuts header
// --------------------------------------------------------------

#ifndef G4SpecialCuts_h
#define G4SpecialCuts_h 1

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


class G4SpecialCuts : public G4VProcess 
{
  public:     

     G4SpecialCuts(const G4String& processName ="SpecialCut" );

     virtual ~G4SpecialCuts();

     virtual G4double PostStepGetPhysicalInteractionLength(
                             const G4Track& track,
			     G4double   previousStepSize,
			     G4ForceCondition* condition
			    );

     virtual G4VParticleChange* PostStepDoIt(
			     const G4Track& ,
			     const G4Step& 
			    );
			    
     //  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 
     G4SpecialCuts& operator=(const G4SpecialCuts&){return *this;};

};

#endif

