| 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: G4Line.cc,v 1.10 2006/06/29 18:42:22 gunter Exp $
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| 28 | // GEANT4 tag $Name: HEAD $
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| 29 | //
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| 30 | // ----------------------------------------------------------------------
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| 31 | // GEANT 4 class source file
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| 32 | //
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| 33 | // G4Line.cc
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| 34 | //
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| 35 | // ----------------------------------------------------------------------
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| 36 |
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| 37 | #include "G4Line.hh"
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| 38 |
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| 39 | G4Line::G4Line (){}
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| 40 | G4Line::~G4Line (){}
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| 41 |
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| 42 | G4Line::G4Line(const G4Line& right)
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| 43 | : G4Curve(), pnt(right.pnt), dir(right.dir),
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| 44 | invDir(right.invDir), v(right.v)
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| 45 | {
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| 46 | bBox = right.bBox;
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| 47 | start = right.start;
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| 48 | end = right.end;
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| 49 | pStart = right.pStart;
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| 50 | pEnd = right.pEnd;
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| 51 | pRange = right.pRange;
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| 52 | bounded = right.bounded;
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| 53 | sameSense = right.sameSense;
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| 54 | }
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| 55 |
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| 56 | G4Line& G4Line::operator=(const G4Line& right)
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| 57 | {
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| 58 | if (&right == this) return *this;
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| 59 |
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| 60 | pnt = right.pnt;
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| 61 | dir = right.dir;
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| 62 | invDir = right.invDir;
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| 63 | v = right.v;
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| 64 | bBox = right.bBox;
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| 65 | start = right.start;
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| 66 | end = right.end;
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| 67 | pStart = right.pStart;
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| 68 | pEnd = right.pEnd;
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| 69 | pRange = right.pRange;
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| 70 | bounded = right.bounded;
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| 71 | sameSense = right.sameSense;
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| 72 |
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| 73 | return *this;
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| 74 | }
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| 75 |
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| 76 | G4Curve* G4Line::Project(const G4Transform3D& tr)
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| 77 | {
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| 78 | G4Vector3D newDir= tr*dir;
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| 79 |
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| 80 | if (std::abs(newDir.x())+std::abs(newDir.y()) < kCarTolerance){
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| 81 |
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| 82 | newDir.setX(kCarTolerance);
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| 83 | newDir.setY(kCarTolerance);
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| 84 | };
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| 85 |
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| 86 | G4Point3D newPnt= tr*pnt;
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| 87 | newDir.setZ(0);
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| 88 | newPnt.setZ(0);
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| 89 |
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| 90 | G4Line* r= new G4Line();
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| 91 |
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| 92 | // L. Broglia : terrible mistake !!!!
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| 93 | //r->Init(newDir, newPnt);
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| 94 | r->Init(newPnt, newDir);
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| 95 |
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| 96 | r->SetBounds(GetPStart(), GetPEnd());
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| 97 |
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| 98 | return r;
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| 99 | }
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| 100 |
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| 101 | ////////////////////////////////////////////////////////////////////////////
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| 102 |
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| 103 | G4bool G4Line::Tangent(G4CurvePoint&, G4Vector3D& vec)
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| 104 | {
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| 105 | if(GetSameSense())
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| 106 | vec = -dir;
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| 107 | else
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| 108 | vec = dir;
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| 109 |
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| 110 | return true;
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| 111 | }
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