| 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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| 27 | // $Id: geomdefs.hh,v 1.8 2007/05/18 07:21:39 gcosmo Exp $ |
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| 28 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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| 29 | // |
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| 30 | // |
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| 31 | // ---------------------------------------------------------------------- |
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| 32 | // Constants, typedefs, enums for Geometry Section |
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| 33 | // |
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| 34 | // History: |
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| 35 | // 30.06.95 P.Kent |
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| 36 | |
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| 37 | #ifndef GeomDefs_hh |
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| 38 | #define GeomDefs_hh |
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| 39 | |
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| 40 | #include "globals.hh" |
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| 41 | |
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| 42 | // `Infinity' - Distance returned for no intersection etc. |
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| 43 | static const G4double kInfinity = 9.0E99; |
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| 44 | |
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| 45 | // Minimum cosine of angle between surface normal & track direction |
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| 46 | // for exiting normal optimisation |
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| 47 | static const double kMinExitingNormalCosine = 1E-3; |
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| 48 | |
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| 49 | // Define axes for function params etc. |
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| 50 | // X/Y/ZAxis = Normal Catesian axes |
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| 51 | // Rho = Radial axis in cylindrical polar |
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| 52 | // Radial3D = Radial axis in spherical polar |
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| 53 | // Phi = Phi axis in cylindrical polar |
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| 54 | // kUndefined = Not defined axis |
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| 55 | enum EAxis {kXAxis,kYAxis,kZAxis,kRho,kRadial3D,kPhi,kUndefined}; |
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| 56 | |
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| 57 | // G4VSolid::Inside return codes |
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| 58 | // kSurface => within tolerance of exact surface |
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| 59 | enum EInside {kOutside,kSurface,kInside}; |
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| 60 | |
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| 61 | // kNormal = (G4PVPlacement) Conventional positioning |
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| 62 | // kReplica = (G4PVReplica) Consumed parameterised case |
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| 63 | // => Distances & location computed with |
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| 64 | // simple formulae & MOTHER volume(s) |
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| 65 | // must also be checked |
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| 66 | // kParameterised = (G4PVParameterised) General parameterised volume |
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| 67 | // => Distance & location computed to volumes |
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| 68 | // after setup/modification via user object |
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| 69 | enum EVolume {kNormal,kReplica,kParameterised}; |
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| 70 | |
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| 71 | // Default max size of Navigation history |
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| 72 | // |
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| 73 | static const G4int kHistoryMax = 15; |
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| 74 | |
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| 75 | // History increase stride of Navigation history |
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| 76 | // |
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| 77 | static const G4int kHistoryStride = 16; |
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| 78 | |
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| 79 | // Voxel stack depth maximum [no resizing] |
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| 80 | // |
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| 81 | static const G4int kNavigatorVoxelStackMax = 3; |
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| 82 | |
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| 83 | #endif /* GeomDefs_hh */ |
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