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: G4Hyperbola.hh,v 1.10 2006/06/29 18:39:36 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 | // Class G4Hyperbola |
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32 | // |
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33 | // Class description: |
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34 | // |
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35 | // Definition of a generic hyperbola. |
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36 | |
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37 | // Authors: J.Sulkimo, P.Urban. |
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38 | // Revisions by: L.Broglia, G.Cosmo. |
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39 | // ---------------------------------------------------------------------- |
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40 | #ifndef __HYPERBOLICCURVE_H |
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41 | #define __HYPERBOLICCURVE_H |
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42 | |
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43 | #include "G4Conic.hh" |
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44 | |
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45 | class G4Hyperbola : public G4Conic |
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46 | { |
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47 | |
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48 | public: // with description |
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49 | |
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50 | G4Hyperbola(); |
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51 | virtual ~G4Hyperbola(); |
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52 | // Constructor & destructor. |
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53 | |
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54 | G4Hyperbola(const G4Hyperbola& right); |
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55 | G4Hyperbola& operator=(const G4Hyperbola& right); |
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56 | // Copy constructor and assignment operator. |
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57 | |
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58 | G4Curve* Project(const G4Transform3D& tr= |
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59 | HepGeom::Transform3D::Identity); |
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60 | // Transforms and projects the curve. |
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61 | |
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62 | G4bool Tangent(G4CurvePoint& cp, G4Vector3D& v); |
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63 | // Returns tangent to curve at a given point, if existing. |
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64 | // The tangent is computed from the 3D point representation. |
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65 | |
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66 | inline G4double GetPMax() const; |
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67 | inline G4Point3D GetPoint(G4double param) const; |
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68 | inline G4double GetPPoint(const G4Point3D& p) const; |
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69 | // Accessors methods. |
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70 | |
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71 | inline G4double GetSemiAxis() const; |
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72 | inline G4double GetSemiImagAxis() const; |
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73 | inline void Init(G4Axis2Placement3D position0, |
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74 | G4double semiAxis0, G4double semiImagAxis0); |
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75 | // Get/Set for the geometric data. |
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76 | |
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77 | public: // without description |
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78 | |
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79 | inline G4int IntersectRay2D(const G4Ray& ray); |
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80 | |
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81 | //void IntersectRay2D(const G4Ray& ray, G4CurveRayIntersection& is); |
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82 | //G4Hyperbola(G4Point3d, G4Point3d, G4Point3d, |
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83 | // G4Point3d, G4double, G4double ); |
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84 | //G4Point3d EvaluateByParameterValue(G4double u); |
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85 | //G4Point3d GetBoundMax(); |
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86 | //G4Point3d GetBoundMin(); |
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87 | |
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88 | protected: |
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89 | |
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90 | void InitBounded(); |
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91 | |
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92 | private: |
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93 | |
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94 | G4int Inside(const G4Point3D&, const G4Ray&); |
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95 | |
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96 | private: |
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97 | |
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98 | G4Point3D Focus1; |
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99 | G4Point3D Focus2; |
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100 | G4Point3D ProjFocus1; |
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101 | G4Point3D ProjFocus2; |
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102 | |
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103 | // geometric data |
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104 | G4double semiAxis; |
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105 | G4double semiImagAxis; |
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106 | |
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107 | G4double ratioAxisImagAxis; |
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108 | |
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109 | G4Transform3D toUnitHyperbola; |
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110 | |
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111 | G4double forTangent; |
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112 | // R_1^2/R_2^2 |
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113 | }; |
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114 | |
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115 | #include "G4Hyperbola.icc" |
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116 | |
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117 | #endif |
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