| 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: G4CompositeCurve.hh,v 1.8 2006/06/29 18:38:35 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 G4CompositeCurve
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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 composition of curves.
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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 __G4COMPOSITCURVE_H
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| 41 | #define __G4COMPOSITCURVE_H
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| 42 |
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| 43 | #include "G4Curve.hh"
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| 44 | #include "G4CurveVector.hh"
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| 45 | #include "G4CurveRayIntersection.hh"
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| 46 | #include "G4Point3DVector.hh"
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| 47 |
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| 48 |
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| 49 | class G4CompositeCurve : public G4Curve
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| 50 | {
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| 51 |
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| 52 | public: // with description
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| 53 |
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| 54 | G4CompositeCurve();
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| 55 | virtual ~G4CompositeCurve();
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| 56 | // Default constructor & destructor
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| 57 |
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| 58 | G4CompositeCurve(const G4Point3DVector& vertices);
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| 59 | // Constructor creating closed polygons, given the vertices.
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| 60 | // No call to Init and SetBounds is needed after calling this
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| 61 | // constructor.
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| 62 |
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| 63 | virtual G4String GetEntityType() const;
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| 64 | // Returns entity type identifier.
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| 65 |
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| 66 | virtual G4Curve* Project(const G4Transform3D& tr =
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| 67 | HepGeom::Transform3D::Identity);
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| 68 | // Project along trasformation tr.
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| 69 |
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| 70 | virtual G4bool Tangent(G4CurvePoint& cp, G4Vector3D& v);
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| 71 | // Tangent computed from the 3D point representation.
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| 72 |
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| 73 | virtual G4double GetPMax() const;
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| 74 | virtual G4Point3D GetPoint(G4double param) const;
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| 75 | virtual G4double GetPPoint(const G4Point3D& p) const;
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| 76 | const G4CurveVector& GetSegments() const;
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| 77 | // Acccessors for the geometric data
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| 78 |
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| 79 | void Init(const G4CurveVector& segments0);
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| 80 | // Initialises geometric data.
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| 81 | // The object is not responsible for deleting the curves;
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| 82 | // only a shallow copy of the CurveVector is made.
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| 83 |
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| 84 | public: // without description
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| 85 |
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| 86 | // virtual void IntersectRay2D(const G4Ray& ray, G4CurveRayIntersection& is);
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| 87 | virtual G4int IntersectRay2D(const G4Ray& ray);
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| 88 |
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| 89 | protected: // with description
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| 90 |
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| 91 | virtual void InitBounded();
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| 92 | // Compute bounding box.
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| 93 |
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| 94 | private:
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| 95 |
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| 96 | G4CompositeCurve(const G4CompositeCurve&);
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| 97 | G4CompositeCurve& operator=(const G4CompositeCurve&);
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| 98 | // Private copy-constructor and assignment operator.
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| 99 |
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| 100 | private:
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| 101 |
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| 102 | G4CurveVector segments;
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| 103 | G4CurveRayIntersection lastIntersection;
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| 104 | // geometric data
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| 105 |
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| 106 | };
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| 107 |
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| 108 | #include "G4CompositeCurve.icc"
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| 109 |
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| 110 | #endif
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