| 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: G4Ray.icc,v 1.7 2006/06/29 18:40:24 gunter 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 | // GEANT 4 inline definitions file |
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| 32 | // |
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| 33 | // G4Ray.icc |
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| 34 | // |
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| 35 | // Implementation of inline methods of G4Ray |
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| 36 | // -------------------------------------------------------------------- |
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| 37 | |
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| 38 | inline |
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| 39 | G4Point3D G4Ray::GetPoint(G4double i) const |
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| 40 | { |
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| 41 | return G4Point3D( start+i*dir ); |
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| 42 | } |
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| 43 | |
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| 44 | inline |
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| 45 | G4double G4Ray::GetPPoint(const G4Point3D& p) const |
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| 46 | { |
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| 47 | // |dir|==1 |
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| 48 | return (p-start)*dir; |
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| 49 | } |
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| 50 | |
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| 51 | inline |
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| 52 | const G4Vector3D& G4Ray::GetDir() const |
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| 53 | { |
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| 54 | return dir; |
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| 55 | } |
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| 56 | |
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| 57 | inline |
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| 58 | const G4Point3D& G4Ray::GetStart() const |
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| 59 | { |
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| 60 | return start; |
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| 61 | } |
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| 62 | |
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| 63 | inline |
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| 64 | void G4Ray::SetDir(const G4Vector3D& dir0) |
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| 65 | { |
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| 66 | dir= dir0.unit(); |
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| 67 | } |
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| 68 | |
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| 69 | inline |
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| 70 | void G4Ray::SetStart(const G4Point3D& start0) |
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| 71 | { |
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| 72 | start= start0; |
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| 73 | } |
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| 74 | |
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| 75 | inline |
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| 76 | void G4Ray::Init(const G4Point3D& start0, const G4Vector3D& dir0) |
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| 77 | { |
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| 78 | start= start0; |
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| 79 | dir= dir0; |
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| 80 | RayCheck(); |
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| 81 | CreatePlanes(); |
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| 82 | } |
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| 83 | |
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| 84 | inline |
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| 85 | G4double G4Ray::P2(G4double x) const |
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| 86 | { |
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| 87 | return(x*x); |
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| 88 | } |
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| 89 | |
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| 90 | inline |
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| 91 | G4int G4Ray::NearZero(G4double val, G4double epsilon) const |
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| 92 | { |
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| 93 | return ( ((val) > -epsilon) && ((val) < epsilon) ); |
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| 94 | } |
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| 95 | |
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| 96 | inline |
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| 97 | void G4Ray::Vsetall(G4Vector3D &a, G4double s) |
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| 98 | { |
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| 99 | a.setX(s); a.setY(s); a.setZ(s); |
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| 100 | } |
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