Gabriele Cosmo
165 lines
7.2 KiB
C++
165 lines
7.2 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. *
|
|
// ********************************************************************
|
|
//
|
|
//
|
|
// $Id: G4VIntersectionLocator.hh,v 1.4 2008/11/14 18:26:35 gcosmo Exp $
|
|
// GEANT4 tag $Name: geant4-09-02 $
|
|
//
|
|
//
|
|
// Class G4VIntersectionLocator
|
|
//
|
|
// class description:
|
|
//
|
|
// Base class for the calculation of the intersection point with a boundary
|
|
// when PropagationInField is used.
|
|
// Gives possibility to choose the method of intersection; concrete locators
|
|
// implemented are: G4SimpleLocator, G4MultiLevelLocator, G4BrentLocator.
|
|
//
|
|
// Key Method: EstimateIntersectionPoint()
|
|
|
|
// History:
|
|
// -------
|
|
// 27.10.08 - John Apostolakis, Tatiana Nikitina: Design and implementation
|
|
// ---------------------------------------------------------------------------
|
|
|
|
#ifndef G4VINTERSECTIONLOCATOR_HH
|
|
#define G4VINTERSECTIONLOCATOR_HH
|
|
|
|
#include "G4Types.hh"
|
|
#include "G4ThreeVector.hh"
|
|
#include "G4FieldTrack.hh"
|
|
|
|
#include "G4Navigator.hh"
|
|
#include "G4ChordFinder.hh"
|
|
|
|
class G4VIntersectionLocator
|
|
{
|
|
public: // with description
|
|
|
|
G4VIntersectionLocator(G4Navigator *theNavigator);
|
|
// Constructor
|
|
virtual ~G4VIntersectionLocator();
|
|
// Default destructor
|
|
|
|
virtual G4bool EstimateIntersectionPoint(
|
|
const G4FieldTrack& curveStartPointTangent, // A
|
|
const G4FieldTrack& curveEndPointTangent, // B
|
|
const G4ThreeVector& trialPoint, // E
|
|
G4FieldTrack& intersectPointTangent, // Output
|
|
G4bool& recalculatedEndPoint, // Out
|
|
G4double& fPreviousSafety, // In/Out
|
|
G4ThreeVector& fPreviousSftOrigin) = 0; // In/Out
|
|
// If such an intersection exists, this function calculates the
|
|
// intersection point of the true path of the particle with the surface
|
|
// of the current volume (or of one of its daughters).
|
|
// Should use lateral displacement as measure of convergence
|
|
// NOTE: changes the safety!
|
|
|
|
void printStatus( const G4FieldTrack& startFT,
|
|
const G4FieldTrack& currentFT,
|
|
G4double requestStep,
|
|
G4double safety,
|
|
G4int step);
|
|
// Print Method, useful mostly for debugging
|
|
|
|
inline G4bool IntersectChord( G4ThreeVector StartPointA,
|
|
G4ThreeVector EndPointB,
|
|
G4double &NewSafety,
|
|
G4double &fPreviousSafety, // In/Out
|
|
G4ThreeVector &fPreviousSftOrigin, // In/Out
|
|
G4double &LinearStepLength,
|
|
G4ThreeVector &IntersectionPoint);
|
|
// Intersect the chord from StartPointA to EndPointB and return
|
|
// whether an intersection occurred. NOTE: changes the Safety!
|
|
|
|
public: // without description
|
|
|
|
// inline Set/Get methods used for IntersctionLocator
|
|
|
|
inline G4double GetDeltaIntersectionFor();
|
|
inline G4double GetEpsilonStepFor();
|
|
inline G4Navigator* GetNavigatorFor();
|
|
inline G4ChordFinder* GetChordFinderFor();
|
|
inline G4int GetVerboseFor();
|
|
|
|
inline void SetEpsilonStepFor( G4double EpsilonStep );
|
|
inline void SetDeltaIntersectionFor( G4double deltaIntersection );
|
|
inline void SetNavigatorFor( G4Navigator *fNavigator );
|
|
inline void SetChordFinderFor(G4ChordFinder *fCFinder );
|
|
inline void SetSafetyParametersFor(G4bool UseSafety );
|
|
inline void SetVerboseFor(G4int fVerbose);
|
|
|
|
inline void AddAdjustementOfFoundIntersection(G4bool UseCorrection);
|
|
inline G4bool GetAdjustementOfFoundIntersection();
|
|
|
|
protected: // with description
|
|
|
|
G4FieldTrack ReEstimateEndpoint( const G4FieldTrack &CurrentStateA,
|
|
const G4FieldTrack &EstimtdEndStateB,
|
|
G4double linearDistSq,
|
|
G4double curveDist);
|
|
// Return new estimate for state after curveDist starting from
|
|
// CurrentStateA, to replace EstimtdEndStateB, and report displacement
|
|
// (if field is compiled verbose)
|
|
|
|
|
|
G4ThreeVector GetLocalSurfaceNormal(const G4ThreeVector &CurrentE_Point,
|
|
G4bool &validNormal);
|
|
// Return the SurfaceNormal of Intersecting Solid
|
|
|
|
G4bool AdjustmentOfFoundIntersection(const G4ThreeVector &A,
|
|
const G4ThreeVector &CurrentE_Point,
|
|
const G4ThreeVector &CurrentF_Point,
|
|
const G4ThreeVector &MomentumDir,
|
|
const G4bool IntersectAF,
|
|
G4ThreeVector &IntersectionPoint,
|
|
G4double &NewSafety,
|
|
G4double &fPrevSafety,
|
|
G4ThreeVector &fPrevSftOrigin );
|
|
// Optional method for adjustment of located intersection point
|
|
// using the surface-normal
|
|
|
|
protected:
|
|
|
|
G4double kCarTolerance;
|
|
G4int fVerboseLevel;
|
|
// For verbose purposes
|
|
G4bool fUseNormalCorrection;
|
|
|
|
G4double fiEpsilonStep;
|
|
G4double fiDeltaIntersection;
|
|
G4Navigator *fiNavigator;
|
|
G4ChordFinder *fiChordFinder;
|
|
G4bool fiUseSafety;
|
|
// For passing the parameters from G4PropagatorInField
|
|
|
|
G4Navigator *fHelpingNavigator;
|
|
// Helper for location
|
|
};
|
|
|
|
#include "G4VIntersectionLocator.icc"
|
|
|
|
#endif
|