G4ScoreSplittingProcess.hh

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//
// $Id: G4ScoreSplittingProcess.hh 68733 2013-04-05 09:45:28Z gcosmo $
//
// 
//---------------------------------------------------------------
//
//  G4ScoreSplittingProcess.hh
//
//  Description:
//    This process is used to split the length and energy 
//   of a step in a regular structure into sub-steps, and to 
//   call the scorers for each sub-volume.
//    It invokes sensitive detectors assigned in the *mass*
//   world.
//
//  Design and first implementation: J. Apostolakis / M.Asai 2010
//---------------------------------------------------------------


#ifndef G4ScoreSplittingProcess_h
#define G4ScoreSplittingProcess_h 1

#include "globals.hh"
class G4Step;
class G4Navigator;
class G4TransportationManager;
class G4PathFinder;
class G4VTouchable;
class G4VPhysicalVolume;
class G4ParticleChange;
class G4EnergySplitter; 

#include "G4VProcess.hh"
#include "G4FieldTrack.hh"
#include "G4TouchableHandle.hh"
class G4TouchableHistory;
// #include "G4TouchableHistory.hh"

//------------------------------------------
//
//        G4ScoreSplittingProcess class
//
//------------------------------------------


// Class Description:

class G4ScoreSplittingProcess : public G4VProcess
{
public: // with description

  //------------------------
  // Constructor/Destructor
  //------------------------
  
  G4ScoreSplittingProcess(const G4String& processName = "ScoreSplittingProc",
         G4ProcessType theType = fParameterisation);
  virtual ~G4ScoreSplittingProcess();
  
  //--------------------------------------------------------------
  //     Process interface
  //--------------------------------------------------------------

  void StartTracking(G4Track*);
  
  //------------------------------------------------------------------------
  // GetPhysicalInteractionLength() and DoIt() methods for AtRest 
  //------------------------------------------------------------------------
  
  G4double AtRestGetPhysicalInteractionLength(
                const G4Track& ,
                G4ForceCondition* 
                );

  G4VParticleChange* AtRestDoIt(
             const G4Track& ,
             const G4Step&
             );

  //------------------------------------------------------------------------
  // GetPhysicalInteractionLength() and DoIt() methods for AlongStep 
  //------------------------------------------------------------------------
  
  G4double AlongStepGetPhysicalInteractionLength(
             const G4Track&,
             G4double  ,
             G4double  ,
             G4double&,
             G4GPILSelection*
             );

  G4VParticleChange* AlongStepDoIt(
          const G4Track& ,
          const G4Step& 
          );

  //-----------------------------------------------------------------------
  // GetPhysicalInteractionLength() and DoIt() methods for PostStep
  //-----------------------------------------------------------------------
  
  G4double PostStepGetPhysicalInteractionLength(const G4Track& track,
            G4double   previousStepSize,
            G4ForceCondition* condition);
  
  G4VParticleChange* PostStepDoIt(const G4Track& ,const G4Step& );

private:
  G4TouchableHistory* CreateTouchableForSubStep( G4int newVoxelNum, G4ThreeVector newPosition ); 

private:
  void CopyStepStart(const G4Step & step);

  G4Step * fSplitStep;
  G4StepPoint *fSplitPreStepPoint;
  G4StepPoint *fSplitPostStepPoint;

  G4VParticleChange dummyParticleChange;
  G4ParticleChange xParticleChange;

  // G4TransportationManager* fTransportationManager;
  // G4PathFinder*        fPathFinder;

  // -------------------------------
  // Touchables for the Split Step
  // -------------------------------
  G4TouchableHandle    fOldTouchableH;
  G4TouchableHandle    fNewTouchableH;

  // Memory of Touchables of full step
  G4TouchableHandle    fInitialTouchableH;
  G4TouchableHandle    fFinalTouchableH;

  G4EnergySplitter     *fpEnergySplitter; 

  // ******************************************************
  //  For TESTS:
  // ******************************************************
public:
  void Verbose(const G4Step&) const;
};

#endif