Import Geant4 0.0.0 source tree
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Gabriele Cosmo
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// This code implementation is the intellectual property of
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// the RD44 GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4Transportation.hh,v 2.4 1998/11/11 20:03:58 japost Exp $
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// GEANT4 tag $Name: geant4-00 $
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//
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//
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// ------------------------------------------------------------
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// GEANT 4 include file implementation
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//
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// For information related to this code contact:
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// CERN, IT Division (formely CN), ASD group
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// ------------------------------------------------------------
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//
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// This class' object is a process responsible for the transportation of
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// a particle, ie the geometrical propagation that encounters the
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// geometrical sub-volumes of the detectors.
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//
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// It is also tasked with part of updating the "safety".
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//
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// =======================================================================
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// Created: 19 March 1997, J. Apostolakis
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// =======================================================================
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#ifndef G4Transportation_hh
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#define G4Transportation_hh 1
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#include "G4VProcess.hh"
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#include "G4FieldManager.hh"
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#include "G4Navigator.hh"
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#include "G4TransportationManager.hh"
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#include "G4PropagatorInField.hh"
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#include "G4Track.hh"
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#include "G4Step.hh"
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#include "G4ParticleChangeForTransport.hh"
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class G4Transportation : public G4VProcess
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{
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// Concrete class that does the geometrical transport
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public:
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G4Transportation();
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~G4Transportation();
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// G4double GetContinuousStepLimit (
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G4double AlongStepGetPhysicalInteractionLength(
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const G4Track& track,
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G4double previousStepSize,
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G4double currentMinimumStep,
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G4double& currentSafety,
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G4GPILSelection* selection
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);
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G4VParticleChange* AlongStepDoIt(
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const G4Track& track,
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const G4Step& stepData
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);
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// This only does the relocation
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//
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G4VParticleChange* PostStepDoIt(
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const G4Track& track,
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const G4Step& stepData
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);
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// This forces the PostStepDoIt action to be called,
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// but does not limit the step.
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//
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G4double PostStepGetPhysicalInteractionLength(
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const G4Track& ,
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G4double previousStepSize,
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G4ForceCondition* pForceCond
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);
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// Access/set the assistant class that Propagate in a Field
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G4PropagatorInField* GetPropagatorInField();
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void SetPropagatorInField( G4PropagatorInField* pFieldPropagator);
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// no operation in AtRestDoIt
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G4double AtRestGetPhysicalInteractionLength(
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const G4Track& ,
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G4ForceCondition*
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) { return -1.0; };
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// no operation in AtRestDoIt
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G4VParticleChange* AtRestDoIt(
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const G4Track& ,
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const G4Step&
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) {return NULL;};
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protected:
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// Checks whether a field exists for the "global" field manager.
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G4bool DoesGlobalFieldExist();
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private:
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// Needed to add the Relocation in the PostStepDoIt
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// Copied from SteppingManager
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G4VTouchable* GetFreeTouchable();
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// Get Touchable which is free, i.e. not assigined to Track/StepPoint
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// If no free touchable is availabe, the NULL will be returned
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// Once you get a Touchable, it will be set to NotFree.
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void SetTheOtherTouchableFree(G4VTouchable* pTouch);
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// Set the partner of the given Touchable to be free. For example,
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// the argument has fTouchable1, then fTouchable2 will be set to
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private:
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// The Propagators used to transport the particle
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G4Navigator* fLinearNavigator;
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G4PropagatorInField* fFieldPropagator;
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// Field Manager for the whole Detector
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// G4FieldManager* fGlobalFieldMgr; // Used MagneticField CC
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// The particle's state after this Step, Store for DoIt
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G4ThreeVector fTransportEndPosition;
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G4ThreeVector fTransportEndMomentumDir;
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G4double fTransportEndKineticEnergy;
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G4ThreeVector fTransportEndSpin;
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G4bool fMomentumChanged;
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G4bool fEnergyChanged;
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G4bool fParticleIsLooping;
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G4VTouchable* fCurrentTouchable;
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// Whether a magnetic field exists ...
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// G4bool fFieldExists;
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// The above data member is problematic: it is useful only if
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// it is initialised. However the transportation process(es) are not
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// capable of doing this initialisation itself (themselves) and there
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// seems no alternative agent capable of doing it right now.
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// Eg, at construction time it is likely that the field manager has
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// not yet been informed about the detector's field
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// I cannot foresee how the transportation can be informed later. JA
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// The current answer is to ignore this data member and use
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// the member function DoesGlobalFieldExist() in its place ...
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// John Apostolakis, July 7, 1997
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// Needed for the relocation - Copied from SteppingManager
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G4VTouchable* fTouchable1;
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G4VTouchable* fTouchable2;
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G4bool fIsTouchable1Free;
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G4bool fIsTouchable2Free;
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// Flag to determine whether a boundary was reached.
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G4bool fGeometryLimitedStep;
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// Remember last safety origin & value.
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G4ThreeVector fPreviousSftOrigin;
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G4double fPreviousSafety;
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// New ParticleChange
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G4ParticleChangeForTransport fParticleChange;
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G4double endpointDistance;
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};
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#include "G4Transportation.icc"
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#endif
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// End of G4Transportation.hh
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// This code implementation is the intellectual property of
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// the RD44 GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4Transportation.icc,v 2.1 1998/07/12 03:08:20 urbi Exp $
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// GEANT4 tag $Name: geant4-00 $
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//
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//
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//
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// Inline function implementation.
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//
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// =======================================================================
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// Created: 9 June 1998, J. Apostolakis
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// =======================================================================
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//
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inline void G4Transportation::SetPropagatorInField( G4PropagatorInField* pFieldPropagator)
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{
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fFieldPropagator= pFieldPropagator;
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}
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inline G4PropagatorInField* G4Transportation::GetPropagatorInField()
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{
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return fFieldPropagator;
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}
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inline G4bool G4Transportation::DoesGlobalFieldExist()
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{
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G4TransportationManager* transportMgr;
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transportMgr= G4TransportationManager::GetTransportationManager();
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// fFieldExists= transportMgr->GetFieldManager()->DoesFieldExist();
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// return fFieldExists;
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return transportMgr->GetFieldManager()->DoesFieldExist();
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}
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inline void G4Transportation::SetTheOtherTouchableFree(G4VTouchable* value)
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{
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if(value == fTouchable1){
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fIsTouchable2Free = true;
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}
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else if(value == fTouchable2){
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fIsTouchable1Free = true;
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}
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}
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inline G4VTouchable* G4Transportation::GetFreeTouchable(){
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if(fIsTouchable1Free){
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fIsTouchable1Free = false;
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return fTouchable1;
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}
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else if(fIsTouchable2Free){
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fIsTouchable2Free = false;
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return fTouchable2;
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}
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else {
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return NULL;
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}
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}
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@@ -0,0 +1,84 @@
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// This code implementation is the intellectual property of
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// the RD44 GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4UserSpecialCuts.hh,v 2.1 1998/07/13 17:28:12 urbi Exp $
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// GEANT4 tag $Name: geant4-00 $
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//
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//
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// ------------------------------------------------------------
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// GEANT 4 class header file
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//
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// For information related to this code contact:
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// CERN, CN Division, ASD group
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// ------------------------------------------------------------
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// 15 April 1998 M.Maire
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// ------------------------------------------------------------
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#ifndef G4UserSpecialCuts_h
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#define G4UserSpecialCuts_h 1
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#include "G4ios.hh"
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#include "globals.hh"
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#include "G4VProcess.hh"
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class G4UserSpecialCuts : public G4VProcess
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{
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public:
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G4UserSpecialCuts(const G4String& processName ="UserSpecialCut" );
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~G4UserSpecialCuts();
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virtual G4double PostStepGetPhysicalInteractionLength(
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const G4Track& track,
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G4double previousStepSize,
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G4ForceCondition* condition
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);
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virtual G4VParticleChange* PostStepDoIt(
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const G4Track& ,
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const G4Step&
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);
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// no operation in AtRestGPIL
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virtual G4double AtRestGetPhysicalInteractionLength(
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const G4Track& ,
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G4ForceCondition*
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){ return -1.0; };
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// no operation in AtRestDoIt
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virtual G4VParticleChange* AtRestDoIt(
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const G4Track& ,
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const G4Step&
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){return NULL;};
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// no operation in AlongStepGPIL
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virtual G4double AlongStepGetPhysicalInteractionLength(
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const G4Track&,
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G4double ,
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G4double ,
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G4double& ,
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G4GPILSelection*
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){ return -1.0; };
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// no operation in AlongStepDoIt
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virtual G4VParticleChange* AlongStepDoIt(
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const G4Track& ,
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const G4Step&
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) {return NULL;};
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private:
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// hide assignment operator as private
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G4UserSpecialCuts(G4UserSpecialCuts&);
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G4UserSpecialCuts& operator=(const G4UserSpecialCuts& right);
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};
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#endif
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