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: G4CurveRayIntersection.hh,v 1.6 2007/05/11 13:49:31 gcosmo 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 | // Class G4CurveRayIntersection |
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32 | // |
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33 | // Class Description: |
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34 | // |
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35 | // Class capable of storing both the parametric and the non-parametric |
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36 | // representation of a intersection point on a curve. It's subclassed |
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37 | // from G4CurvePoint. |
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38 | |
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39 | // Author: J.Sulkimo, P.Urban. |
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40 | // Revisions by: L.Broglia, G.Cosmo. |
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41 | // ---------------------------------------------------------------------- |
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42 | #ifndef included_G4CurveRayIntersection |
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43 | #define included_G4CurveRayIntersection |
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44 | |
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45 | #include "G4CurvePoint.hh" |
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46 | #include "G4Ray.hh" |
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47 | |
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48 | class G4CurveRayIntersection : public G4CurvePoint |
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49 | { |
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50 | |
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51 | public: // with description |
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52 | |
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53 | G4CurveRayIntersection(); |
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54 | // Default constructor. Sets only distance to infinity. |
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55 | // Must be followed by Init! |
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56 | |
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57 | G4CurveRayIntersection(G4Curve& c0, const G4Ray& r0); |
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58 | // Constructor taking a curve and a ray. |
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59 | |
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60 | ~G4CurveRayIntersection(); |
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61 | // Empty destructor. |
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62 | |
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63 | G4CurveRayIntersection(const G4CurveRayIntersection& cr); |
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64 | G4CurveRayIntersection& operator=(const G4CurveRayIntersection& cr); |
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65 | // Copy constructor and assignment operator. |
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66 | |
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67 | inline void Init(G4Curve& c0, const G4Ray& r0); |
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68 | // Initialises a G4CurveRayIntersection. Called by the constructor above. |
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69 | |
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70 | inline const G4Ray& GetRay() const; |
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71 | // Returns the ray of intersection. |
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72 | |
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73 | inline void Reset(); |
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74 | inline void ResetPPoint(G4double u0); |
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75 | inline void Reset(const G4Point3D& p0); |
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76 | inline void Reset(G4double u0, const G4Point3D& p0); |
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77 | inline void ResetDistance(G4double d0); |
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78 | inline void Reset(G4double u0, G4double d0); |
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79 | inline void Reset(const G4Point3D& p0, G4double d0); |
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80 | inline void Reset(G4double u0, const G4Point3D& p0, G4double d0); |
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81 | // Resets point's attributes. |
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82 | |
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83 | inline G4double GetPPoint(); |
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84 | inline const G4Point3D& GetPoint(); |
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85 | // Returns point as parameter or as point in space. |
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86 | |
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87 | inline G4double GetDistance(); |
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88 | // Returns intersection's distance. |
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89 | |
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90 | public: // without description |
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91 | |
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92 | // additional functionalities |
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93 | |
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94 | inline void Update(G4CurveRayIntersection& is); |
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95 | inline void UpdateWithPointOnCurve(G4CurveRayIntersection& is); |
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96 | |
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97 | protected: |
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98 | |
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99 | // data |
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100 | |
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101 | const G4Ray* r; |
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102 | G4double d; |
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103 | G4double kCarTolerance; |
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104 | static const G4int dFlag; |
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105 | |
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106 | }; |
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107 | |
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108 | #include "G4CurveRayIntersection.icc" |
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109 | |
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110 | #endif |
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