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: geant4-09-03 $ |
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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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