167 lines
6.3 KiB
C++
167 lines
6.3 KiB
C++
//
|
|
// ********************************************************************
|
|
// * DISCLAIMER *
|
|
// * *
|
|
// * The following disclaimer summarizes all the specific disclaimers *
|
|
// * of contributors to this software. The specific disclaimers,which *
|
|
// * govern, are listed with their locations in: *
|
|
// * http://cern.ch/geant4/license *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. *
|
|
// * *
|
|
// * 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: G4Transportation.hh,v 1.9 2003/11/26 14:51:48 gcosmo Exp $
|
|
// GEANT4 tag $Name: geant4-06-00-patch-01 $
|
|
//
|
|
//
|
|
// ------------------------------------------------------------
|
|
// GEANT 4 include file implementation
|
|
// ------------------------------------------------------------
|
|
//
|
|
// Class description:
|
|
//
|
|
// G4Transportation is a process responsible for the transportation of
|
|
// a particle, i.e. the geometrical propagation encountering the
|
|
// geometrical sub-volumes of the detectors.
|
|
// It is also tasked with part of updating the "safety".
|
|
|
|
// =======================================================================
|
|
// Created: 19 March 1997, J. Apostolakis
|
|
// =======================================================================
|
|
#ifndef G4Transportation_hh
|
|
#define G4Transportation_hh 1
|
|
|
|
#include "G4VProcess.hh"
|
|
#include "G4FieldManager.hh"
|
|
|
|
#include "G4Navigator.hh"
|
|
#include "G4TransportationManager.hh"
|
|
#include "G4PropagatorInField.hh"
|
|
#include "G4Track.hh"
|
|
#include "G4Step.hh"
|
|
#include "G4ParticleChangeForTransport.hh"
|
|
|
|
class G4Transportation : public G4VProcess
|
|
{
|
|
// Concrete class that does the geometrical transport
|
|
|
|
public: // with description
|
|
|
|
G4Transportation( G4int verbosityLevel= 1);
|
|
~G4Transportation();
|
|
|
|
G4double AlongStepGetPhysicalInteractionLength(
|
|
const G4Track& track,
|
|
G4double previousStepSize,
|
|
G4double currentMinimumStep,
|
|
G4double& currentSafety,
|
|
G4GPILSelection* selection
|
|
);
|
|
|
|
G4VParticleChange* AlongStepDoIt(
|
|
const G4Track& track,
|
|
const G4Step& stepData
|
|
);
|
|
|
|
G4VParticleChange* PostStepDoIt(
|
|
const G4Track& track,
|
|
const G4Step& stepData
|
|
);
|
|
// Responsible for the relocation.
|
|
|
|
G4double PostStepGetPhysicalInteractionLength(
|
|
const G4Track& ,
|
|
G4double previousStepSize,
|
|
G4ForceCondition* pForceCond
|
|
);
|
|
// Forces the PostStepDoIt action to be called,
|
|
// but does not limit the step.
|
|
|
|
G4PropagatorInField* GetPropagatorInField();
|
|
void SetPropagatorInField( G4PropagatorInField* pFieldPropagator);
|
|
// Access/set the assistant class that Propagate in a Field.
|
|
|
|
void SetVerboseLevel( G4int verboseLevel );
|
|
G4int GetVerboseLevel() const;
|
|
// Level of warnings regarding eg energy conservation
|
|
// in field integration.
|
|
|
|
public: // without description
|
|
|
|
G4double AtRestGetPhysicalInteractionLength(
|
|
const G4Track& ,
|
|
G4ForceCondition*
|
|
) { return -1.0; };
|
|
// No operation in AtRestDoIt.
|
|
|
|
G4VParticleChange* AtRestDoIt(
|
|
const G4Track& ,
|
|
const G4Step&
|
|
) {return 0;};
|
|
// No operation in AtRestDoIt.
|
|
|
|
protected:
|
|
|
|
G4bool DoesGlobalFieldExist();
|
|
// Checks whether a field exists for the "global" field manager.
|
|
|
|
private:
|
|
|
|
G4Navigator* fLinearNavigator;
|
|
G4PropagatorInField* fFieldPropagator;
|
|
// The Propagators used to transport the particle
|
|
|
|
// G4FieldManager* fGlobalFieldMgr; // Used MagneticField CC
|
|
// Field Manager for the whole Detector
|
|
|
|
G4ThreeVector fTransportEndPosition;
|
|
G4ThreeVector fTransportEndMomentumDir;
|
|
G4double fTransportEndKineticEnergy;
|
|
G4ThreeVector fTransportEndSpin;
|
|
G4bool fMomentumChanged;
|
|
G4bool fEnergyChanged;
|
|
G4bool fEndGlobalTimeComputed;
|
|
G4double fCandidateEndGlobalTime;
|
|
// The particle's state after this Step, Store for DoIt
|
|
|
|
G4bool fParticleIsLooping;
|
|
|
|
G4TouchableHandle fCurrentTouchableHandle;
|
|
|
|
// G4bool fFieldExists;
|
|
// Whether a magnetic field exists ...
|
|
// A data member for this is problematic: it is useful only if it
|
|
// can be initialised and updated -- and a scheme is not yet possible.
|
|
|
|
G4bool fGeometryLimitedStep;
|
|
// Flag to determine whether a boundary was reached.
|
|
|
|
G4ThreeVector fPreviousSftOrigin;
|
|
G4double fPreviousSafety;
|
|
// Remember last safety origin & value.
|
|
|
|
G4ParticleChangeForTransport fParticleChange;
|
|
// New ParticleChange
|
|
|
|
G4double endpointDistance;
|
|
|
|
G4int fVerboseLevel;
|
|
// Verbosity level for warnings
|
|
// eg about energy non-conservation in magnetic field.
|
|
};
|
|
|
|
#include "G4Transportation.icc"
|
|
|
|
#endif
|