Gabriele Cosmo
92 lines
3.7 KiB
C++
92 lines
3.7 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * 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. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
//
|
|
//
|
|
//
|
|
// Class Description:
|
|
//
|
|
// G4ErrorTarget class: limits step when track length is bigger than
|
|
// theMaximumTrackLength. It is a G4VDiscreteProcess: limits the step in
|
|
// PostStepGetPhysicalInteractionLength().
|
|
|
|
// History:
|
|
// - Created. P. Arce, September 2004
|
|
// --------------------------------------------------------------------
|
|
|
|
#ifndef G4ErrorTrackLengthTarget_hh
|
|
#define G4ErrorTrackLengthTarget_hh
|
|
|
|
#include "G4ios.hh"
|
|
#include "globals.hh"
|
|
#include "G4VDiscreteProcess.hh"
|
|
#include "G4PhysicsTable.hh"
|
|
#include "G4PhysicsLogVector.hh"
|
|
#include "G4ElementTable.hh"
|
|
#include "G4Step.hh"
|
|
#include "G4ErrorTarget.hh"
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
class G4ErrorTrackLengthTarget : public G4VDiscreteProcess,
|
|
public G4ErrorTarget
|
|
{
|
|
public: // with description
|
|
|
|
G4ErrorTrackLengthTarget(const G4double maxTrkLength );
|
|
// Constructs and add this process to G4ProcessManager of all particles
|
|
virtual ~G4ErrorTrackLengthTarget(){}
|
|
|
|
// These methods are dummy, as the step limitation is done in the
|
|
// PostStepGetPhysicalInteractionLength().
|
|
|
|
virtual G4double GetDistanceFromPoint( const G4ThreeVector&,
|
|
const G4ThreeVector& ) const
|
|
{ return DBL_MAX; }
|
|
virtual G4double GetDistanceFromPoint( const G4ThreeVector& ) const
|
|
{ return DBL_MAX; }
|
|
|
|
virtual G4double
|
|
PostStepGetPhysicalInteractionLength( const G4Track& track,
|
|
G4double previousStepSize,
|
|
G4ForceCondition* condition );
|
|
// Checks if the maximum track length has been reached
|
|
|
|
virtual G4double GetMeanFreePath(const class G4Track & track,
|
|
G4double, G4ForceCondition *);
|
|
// Mean free path = theMaximumTrackLength - track.GetTrackLength()
|
|
|
|
virtual G4VParticleChange* PostStepDoIt( const G4Track&, const G4Step& );
|
|
|
|
virtual void Dump( const G4String& msg ) const;
|
|
|
|
private:
|
|
|
|
G4double theMaximumTrackLength;
|
|
G4VParticleChange theParticleChange;
|
|
};
|
|
|
|
#endif
|