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 // GEANT 4 class source file 00031 // 00032 // G4Line.cc 00033 // 00034 // ---------------------------------------------------------------------- 00035 00036 #include "G4Line.hh" 00037 00038 G4Line::G4Line (){} 00039 G4Line::~G4Line (){} 00040 00041 G4Line::G4Line(const G4Line& right) 00042 : G4Curve(), pnt(right.pnt), dir(right.dir), 00043 invDir(right.invDir), v(right.v) 00044 { 00045 bBox = right.bBox; 00046 start = right.start; 00047 end = right.end; 00048 pStart = right.pStart; 00049 pEnd = right.pEnd; 00050 pRange = right.pRange; 00051 bounded = right.bounded; 00052 sameSense = right.sameSense; 00053 } 00054 00055 G4Line& G4Line::operator=(const G4Line& right) 00056 { 00057 if (&right == this) return *this; 00058 00059 pnt = right.pnt; 00060 dir = right.dir; 00061 invDir = right.invDir; 00062 v = right.v; 00063 bBox = right.bBox; 00064 start = right.start; 00065 end = right.end; 00066 pStart = right.pStart; 00067 pEnd = right.pEnd; 00068 pRange = right.pRange; 00069 bounded = right.bounded; 00070 sameSense = right.sameSense; 00071 00072 return *this; 00073 } 00074 00075 G4Curve* G4Line::Project(const G4Transform3D& tr) 00076 { 00077 G4Vector3D newDir= tr*dir; 00078 00079 if (std::abs(newDir.x())+std::abs(newDir.y()) < kCarTolerance){ 00080 00081 newDir.setX(kCarTolerance); 00082 newDir.setY(kCarTolerance); 00083 }; 00084 00085 G4Point3D newPnt= tr*pnt; 00086 newDir.setZ(0); 00087 newPnt.setZ(0); 00088 00089 G4Line* r= new G4Line(); 00090 00091 // L. Broglia : terrible mistake !!!! 00092 //r->Init(newDir, newPnt); 00093 r->Init(newPnt, newDir); 00094 00095 r->SetBounds(GetPStart(), GetPEnd()); 00096 00097 return r; 00098 } 00099 00101 00102 G4bool G4Line::Tangent(G4CurvePoint&, G4Vector3D& vec) 00103 { 00104 if(GetSameSense()) 00105 vec = -dir; 00106 else 00107 vec = dir; 00108 00109 return true; 00110 }