geomdefs.hh

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00025 //
00026 //
00027 // $Id$
00028 //
00029 // 
00030 // ----------------------------------------------------------------------
00031 // Constants, typedefs, enums for Geometry Section
00032 //
00033 // History:
00034 // 30.06.95 P.Kent
00035 
00036 #ifndef GeomDefs_hh
00037 #define GeomDefs_hh
00038 
00039 #include "globals.hh"
00040 
00041 // `Infinity' - Distance returned for no intersection etc.
00042 static const G4double kInfinity = 9.0E99;
00043 
00044 // Minimum cosine of angle between surface normal & track direction
00045 // for exiting normal optimisation
00046 static const double kMinExitingNormalCosine = 1E-3;
00047 
00048 // Define axes for function params etc.
00049 // X/Y/ZAxis = Normal Catesian axes
00050 // Rho = Radial axis in cylindrical polar
00051 // Radial3D = Radial axis in spherical polar
00052 // Phi = Phi axis in cylindrical polar
00053 // kUndefined = Not defined axis
00054 enum EAxis {kXAxis,kYAxis,kZAxis,kRho,kRadial3D,kPhi,kUndefined};
00055 
00056 // G4VSolid::Inside return codes
00057 // kSurface => within tolerance of exact surface
00058 enum EInside {kOutside,kSurface,kInside};
00059 
00060 // kNormal = (G4PVPlacement) Conventional positioning
00061 // kReplica = (G4PVReplica)  Consumed parameterised case
00062 //                           => Distances & location computed with
00063 //                              simple formulae & MOTHER volume(s)
00064 //                              must also be checked
00065 // kParameterised = (G4PVParameterised) General parameterised volume
00066 //                           => Distance & location computed to volumes
00067 //                              after setup/modification via user object
00068 enum EVolume {kNormal,kReplica,kParameterised};
00069 
00070 // Default max size of Navigation history
00071 //
00072 static const G4int kHistoryMax    = 15;
00073 
00074 // History increase stride of Navigation history
00075 //
00076 static const G4int kHistoryStride = 16;
00077 
00078 // Voxel stack depth maximum [no resizing]
00079 //
00080 static const G4int kNavigatorVoxelStackMax = 3;
00081 
00082 #endif /* GeomDefs_hh */

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