| 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: G4CircularCurve.hh,v 1.9 2006/06/29 18:38:30 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 | // Class G4CircularCurve |
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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 circle. |
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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 __CIRCULARCURVE_H |
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| 41 | #define __CIRCULARCURVE_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 G4CircularCurve : 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 | G4CircularCurve(); |
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| 51 | virtual ~G4CircularCurve(); |
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| 52 | // Constructor & destructor. |
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| 53 | |
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| 54 | G4CircularCurve(const G4CircularCurve& right); |
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| 55 | G4CircularCurve& operator=(const G4CircularCurve& right); |
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| 56 | // Copy-constructor and assignment operator. |
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| 57 | |
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| 58 | virtual G4Curve* Project(const G4Transform3D& tr= |
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| 59 | HepGeom::Transform3D::Identity); |
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| 60 | // Project along trasformation tr. |
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| 61 | |
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| 62 | virtual G4bool Tangent(G4CurvePoint& cp, G4Vector3D& v); |
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| 63 | // Tangent computed from the 3D point representation as for all conics. |
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| 64 | |
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| 65 | virtual G4double GetPMax() const; |
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| 66 | virtual G4Point3D GetPoint(G4double param) const; |
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| 67 | virtual G4double GetPPoint(const G4Point3D& p) const; |
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| 68 | inline G4double GetRadius() const; |
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| 69 | // Accessors for the geometric data. |
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| 70 | |
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| 71 | void Init(const G4Axis2Placement3D& position0, G4double radius0); |
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| 72 | // Initialises geometric data. |
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| 73 | |
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| 74 | public: // without description |
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| 75 | |
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| 76 | // virtual void IntersectRay2D(const G4Ray& ray, G4CurveRayIntersection& is); |
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| 77 | virtual G4int IntersectRay2D(const G4Ray& ray); |
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| 78 | |
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| 79 | protected: // with description |
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| 80 | |
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| 81 | virtual void InitBounded(); |
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| 82 | // Compute bounding box. |
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| 83 | |
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| 84 | private: |
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| 85 | |
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| 86 | G4double radius; |
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| 87 | // Geometric data. |
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| 88 | |
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| 89 | }; |
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| 90 | |
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| 91 | #include "G4CircularCurve.icc" |
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| 92 | |
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| 93 | #endif |
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