include/Geant4/geomdefs.hh

0001 //
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0003 // * License and Disclaimer                                           *
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0025 //
0026 //
0027 //
0028 //
0029 // ----------------------------------------------------------------------
0030 // Constants, typedefs, enums for Geometry Section
0031 //
0032 // History:
0033 // 30.06.95 P.Kent
0034
0035 #ifndef GeomDefs_hh
0036 #define GeomDefs_hh
0037
0038 #include "globals.hh"
0039
0040 // `Infinity' - Distance returned for no intersection etc.
0041 static const G4double kInfinity = 9.0E99;
0042
0043 // Minimum cosine of angle between surface normal & track direction
0044 // for exiting normal optimisation
0045 static const double kMinExitingNormalCosine = 1E-3;
0046
0047 // Define axes for function params etc.
0048 // X/Y/ZAxis = Normal Catesian axes
0049 // Rho = Radial axis in cylindrical polar
0050 // Radial3D = Radial axis in spherical polar
0051 // Phi = Phi axis in cylindrical polar
0052 // kUndefined = Not defined axis
0053 enum EAxis
0054 {
0055   kXAxis,
0056   kYAxis,
0057   kZAxis,
0058   kRho,
0059   kRadial3D,
0060   kPhi,
0061   kUndefined
0062 };
0063
0064 // G4VSolid::Inside return codes
0065 // kSurface => within tolerance of exact surface
0066 enum EInside
0067 {
0068   kOutside,
0069   kSurface,
0070   kInside
0071 };
0072 // enum EInside {kInside=1, kSurface=2, kOutside=3};
0073
0074 // kNormal = (G4PVPlacement) Conventional positioning
0075 // kReplica = (G4PVReplica)  Consumed parameterised case
0076 //                           => Distances & location computed with
0077 //                              simple formulae & MOTHER volume(s)
0078 //                              must also be checked
0079 // kParameterised = (G4PVParameterised) General parameterised volume
0080 //                           => Distance & location computed to volumes
0081 //                              after setup/modification via user object
0082 enum EVolume
0083 {
0084   kNormal,
0085   kReplica,
0086   kParameterised,
0087   kExternal
0088 };
0089
0090 // Default max size of Navigation history
0091 //
0092 static const G4int kHistoryMax = 15;
0093
0094 // History increase stride of Navigation history
0095 //
0096 static const G4int kHistoryStride = 16;
0097
0098 // Voxel stack depth maximum [no resizing]
0099 //
0100 static const G4int kNavigatorVoxelStackMax = 3;
0101
0102 #endif /* GeomDefs_hh */