00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 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