source: trunk/source/geometry/navigation/include/G4ParameterisedNavigation.hh @ 1347

Last change on this file since 1347 was 1347, checked in by garnier, 13 years ago

geant4 tag 9.4

File size: 5.3 KB
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27// $Id: G4ParameterisedNavigation.hh,v 1.6 2007/11/09 16:06:02 gcosmo Exp $
28// GEANT4 tag $Name: geant4-09-04-ref-00 $
29//
30//
31// class G4ParameterisedNavigation
32//
33// Class description:
34//
35// Utility for navigation in volumes containing a single G4PVParameterised
36// volume for which voxels for the replicated volumes have been constructed.
37// [Voxels MUST be along one axis only: NOT refined]
38
39// History:
40// - Created. Paul Kent, Aug 96
41// --------------------------------------------------------------------
42#ifndef G4PARAMETERISEDNAVIGATION_HH
43#define G4PARAMETERISEDNAVIGATION_HH
44
45#include "G4Types.hh"
46
47#include <vector>
48
49#include "G4VoxelNavigation.hh"
50#include "G4NavigationHistory.hh"
51#include "G4AffineTransform.hh"
52#include "G4VPhysicalVolume.hh"
53#include "G4VPVParameterisation.hh"
54#include "G4LogicalVolume.hh"
55#include "G4VSolid.hh"
56#include "G4ThreeVector.hh"
57#include "G4BlockingList.hh"
58
59class G4ParameterisedNavigation : public G4VoxelNavigation
60{
61  public:  // with description
62
63    G4ParameterisedNavigation();
64    ~G4ParameterisedNavigation();
65
66    inline G4SmartVoxelNode* ParamVoxelLocate( G4SmartVoxelHeader* pHead,
67                                         const G4ThreeVector& localPoint );
68
69    G4bool LevelLocate( G4NavigationHistory& history,
70                  const G4VPhysicalVolume* blockedVol,
71                  const G4int blockedNum,
72                  const G4ThreeVector& globalPoint,
73                  const G4ThreeVector* globalDirection,
74                  const G4bool pLocatedOnEdge, 
75                        G4ThreeVector& localPoint );
76
77    G4double ComputeStep( const G4ThreeVector& globalPoint,
78                          const G4ThreeVector& globalDirection,
79                          const G4double currentProposedStepLength,
80                                G4double& newSafety,
81                                G4NavigationHistory& history,
82                                G4bool& validExitNormal,
83                                G4ThreeVector& exitNormal,
84                                G4bool& exiting,
85                                G4bool& entering,
86                                G4VPhysicalVolume *(*pBlockedPhysical),
87                                G4int& blockedReplicaNo );
88
89    G4double ComputeSafety( const G4ThreeVector& localPoint,
90                            const G4NavigationHistory& history,
91                            const G4double pProposedMaxLength=DBL_MAX );
92
93  private:
94
95    G4double ComputeVoxelSafety( const G4ThreeVector& localPoint,
96                                 const EAxis pAxis ) const;
97    G4bool LocateNextVoxel( const G4ThreeVector& localPoint,
98                            const G4ThreeVector& localDirection,
99                            const G4double currentStep,
100                            const EAxis pAxis );
101  private:
102
103    // Necessary to resolve cases with nested parameterisations
104
105    inline G4VSolid* IdentifyAndPlaceSolid( G4int num,
106                                     G4VPhysicalVolume* apparentPhys, 
107                                     G4VPVParameterisation* curParam );
108       // Call virtual 'Compute' methods, and copy information if nested.
109       // 'ApparentPhys' is potentially a PhysV or PhysT.
110
111    G4VPhysicalVolume* CreateVolumeWithParent(G4VPhysicalVolume* curPhysical,
112                                              const G4NavigationHistory& hist );
113       // Create necessary parent touchable and physical with parent.
114
115  private:
116
117    //  Voxel Stack information (for 1D optimisation only)
118    //
119    EAxis fVoxelAxis;
120    G4int fVoxelNoSlices;
121    G4double fVoxelSliceWidth; 
122    G4int fVoxelNodeNo; 
123    G4SmartVoxelHeader* fVoxelHeader;
124};
125
126#include "G4ParameterisedNavigation.icc"
127
128#endif
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