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 and of QinetiQ Ltd, * 00020 // * subject to DEFCON 705 IPR conditions. * 00021 // * By using, copying, modifying or distributing the software (or * 00022 // * any work based on the software) you agree to acknowledge its * 00023 // * use in resulting scientific publications, and indicate your * 00024 // * acceptance of all terms of the Geant4 Software license. * 00025 // ******************************************************************** 00026 // 00027 // 00028 // $Id: G4VFacet.cc 67011 2013-01-29 16:17:41Z gcosmo $ 00029 // 00030 // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 00031 // 00032 // CHANGE HISTORY 00033 // -------------- 00034 // 00035 // 31 October 2004, P R Truscott, QinetiQ Ltd, UK - Created. 00036 // 12 October 2012, M Gayer, CERN, - Reviewed optimized implementation. 00037 // 00038 // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 00039 00040 #include "G4VFacet.hh" 00041 #include "globals.hh" 00042 #include "geomdefs.hh" 00043 #include "G4GeometryTolerance.hh" 00044 00045 using namespace std; 00046 00047 const G4double G4VFacet::dirTolerance = 1.0E-14; 00048 const G4double G4VFacet::kCarTolerance = 00049 G4GeometryTolerance::GetInstance()->GetSurfaceTolerance(); 00050 00052 // 00053 G4VFacet::~G4VFacet() 00054 { 00055 } 00056 00058 // 00059 G4bool G4VFacet::operator== (const G4VFacet &right) const 00060 { 00061 G4double tolerance = kCarTolerance*kCarTolerance/4.0; 00062 00063 if (GetNumberOfVertices() != right.GetNumberOfVertices()) 00064 return false; 00065 else if ((GetCircumcentre()-right.GetCircumcentre()).mag2() > tolerance) 00066 return false; 00067 else if (std::fabs((right.GetSurfaceNormal()).dot(GetSurfaceNormal())) < 0.9999999999) 00068 return false; 00069 00070 G4bool coincident = true; 00071 G4int i = 0; 00072 do 00073 { 00074 coincident = false; 00075 G4int j = 0; 00076 do 00077 { 00078 coincident = (GetVertex(i)-right.GetVertex(j)).mag2() < tolerance; 00079 } while (!coincident && ++j < GetNumberOfVertices()); 00080 } while (coincident && ++i < GetNumberOfVertices()); 00081 00082 return coincident; 00083 } 00084 00086 // 00087 void G4VFacet::ApplyTranslation(const G4ThreeVector v) 00088 { 00089 G4int n = GetNumberOfVertices(); 00090 for (G4int i = 0; i < n; ++i) 00091 { 00092 SetVertex(i, GetVertex(i) + v); 00093 } 00094 } 00095 00097 // 00098 std::ostream &G4VFacet::StreamInfo(std::ostream &os) const 00099 { 00100 os << G4endl; 00101 os << "*********************************************************************" 00102 << G4endl; 00103 os << "FACET TYPE = " << GetEntityType() << G4endl; 00104 os << "ABSOLUTE VECTORS = " << G4endl; 00105 G4int n = GetNumberOfVertices(); 00106 for (G4int i = 0; i < n; ++i) 00107 os << "P[" << i << "] = " << GetVertex(i) << G4endl; 00108 os << "*********************************************************************" 00109 << G4endl; 00110 00111 return os; 00112 } 00113 00114 G4bool G4VFacet::IsInside (const G4ThreeVector &p) const 00115 { 00116 G4ThreeVector d = p - GetVertex(0); 00117 G4double displacement = d.dot(GetSurfaceNormal()); 00118 return displacement <= 0.0; 00119 }