G4ParallelWorldScoringProcess.hh

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//
// G4ParallelWorldScoringProcess
//
// Class description:
//
// This process takes a parallel world and limits a step
// on the boundaries of volumes in the parallel world.
// It invokes sensitive detectors assigned in the parallel world.
//
// Author: M.Asai (SLAC), 2010.
//---------------------------------------------------------------------
#ifndef G4ParallelWorldScoringProcess_h
#define G4ParallelWorldScoringProcess_h 1
 
#include "G4FieldTrack.hh"
#include "G4TouchableHandle.hh"
#include "G4VProcess.hh"
#include "globals.hh"
 
class G4Step;
class G4Navigator;
class G4TransportationManager;
class G4PathFinder;
class G4VPhysicalVolume;
class G4ParticleChange;
class G4ParticleDefinition;
 
class G4ParallelWorldScoringProcess : public G4VProcess
{
  public:
 
    G4ParallelWorldScoringProcess(const G4String& processName = "ParaWorldScore",
                                  G4ProcessType theType = fParameterisation);
    ~G4ParallelWorldScoringProcess() override;
 
    //--------------------------------------------------------------
    // Set Paralle World
    //--------------------------------------------------------------
 
    void SetParallelWorld(G4String parallelWorldName);
    void SetParallelWorld(G4VPhysicalVolume* parallelWorld);
    G4bool IsAtRestRequired(G4ParticleDefinition* partDef);
 
    //--------------------------------------------------------------
    //     Process interface
    //--------------------------------------------------------------
 
    void StartTracking(G4Track*) override;
 
    //------------------------------------------------------------------------
    // GetPhysicalInteractionLength() and DoIt() methods for AtRest
    //------------------------------------------------------------------------
 
    G4double AtRestGetPhysicalInteractionLength(const G4Track&, G4ForceCondition*) override;
 
    G4VParticleChange* AtRestDoIt(const G4Track&, const G4Step&) override;
 
    //------------------------------------------------------------------------
    // GetPhysicalInteractionLength() and DoIt() methods for AlongStep
    //------------------------------------------------------------------------
 
    G4double AlongStepGetPhysicalInteractionLength(const G4Track&, G4double, G4double, G4double&,
                                                   G4GPILSelection*) override;
 
    G4VParticleChange* AlongStepDoIt(const G4Track&, const G4Step&) override;
 
    //-----------------------------------------------------------------------
    // GetPhysicalInteractionLength() and DoIt() methods for PostStep
    //-----------------------------------------------------------------------
 
    G4double PostStepGetPhysicalInteractionLength(const G4Track& track, G4double previousStepSize,
                                                  G4ForceCondition* condition) override;
 
    G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step&) override;
 
    void Verbose(const G4Step&) const;
 
  private:
 
    void CopyStep(const G4Step& step);
 
    G4Step* fGhostStep;
    G4StepPoint* fGhostPreStepPoint;
    G4StepPoint* fGhostPostStepPoint;
 
    G4VParticleChange aDummyParticleChange;
    G4ParticleChange xParticleChange;
 
    G4TransportationManager* fTransportationManager;
    G4PathFinder* fPathFinder;
 
    // -------------------------------
    // Navigation in the Ghost World:
    // -------------------------------
    G4String fGhostWorldName;
    G4VPhysicalVolume* fGhostWorld;
    G4Navigator* fGhostNavigator{nullptr};
    G4int fNavigatorID{-1};
    G4TouchableHandle fOldGhostTouchable;
    G4TouchableHandle fNewGhostTouchable;
    G4FieldTrack fFieldTrack;
    G4double fGhostSafety;
    G4bool fOnBoundary;
};
 
#endif