G4AuxiliaryNavServices.hh

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00026 //
00027 // $Id$
00028 //
00029 // 
00030 // class G4AuxiliaryNavServices
00031 //
00032 // Class description:
00033 //
00034 // Utility class for navigation.
00035 
00036 // History:
00037 // - Created: Paul Kent, Aug 96
00038 // --------------------------------------------------------------------
00039 #ifndef G4AuxiliaryNavServices_hh
00040 #define G4AuxiliaryNavServices_hh
00041 
00042 #include "G4Types.hh"
00043 #include "G4ThreeVector.hh"
00044 #include "G4VSolid.hh"
00045 #include "G4AffineTransform.hh"
00046 
00047 class G4AuxiliaryNavServices
00048 {
00049 
00050  public:  // with description
00051 
00052    static G4bool CheckPointOnSurface( const G4VSolid* sampleSolid, 
00053                                       const G4ThreeVector& localPoint, 
00054                                       const G4ThreeVector* globalDirection, 
00055                                       const G4AffineTransform& sampleTransform,
00056                                       const G4bool locatedOnEdge);
00057      //
00058      // Is the track (point, direction) inside the solid 'sampleSolid' ? 
00059      // Returns true if we are going to enter the volume,
00060      // which is the case if:
00061      //   - the point is inside
00062      //   - the point is on the surface and the direction points inside
00063      //     or along it.
00064      // Else returns false.
00065 
00066    static G4bool CheckPointExiting( const G4VSolid* sampleSolid, 
00067                                     const G4ThreeVector& localPoint, 
00068                                     const G4ThreeVector* globalDirection, 
00069                                     const G4AffineTransform& sampleTransform );
00070      //
00071      // Is the track (point, direction) exiting the solid 'sampleSolid' ? 
00072      // Returns true if we are going to exit the volume.
00073 
00074  private:
00075  
00076    G4bool testOne();
00077 
00078 };
00079 
00080 #include "G4AuxiliaryNavServices.icc"
00081 
00082 #endif

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