source: trunk/source/geometry/solids/BREPS/include/G4CompositeCurve.hh@ 1104

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1//
2// ********************************************************************
3// * License and Disclaimer *
4// * *
5// * The Geant4 software is copyright of the Copyright Holders of *
6// * the Geant4 Collaboration. It is provided under the terms and *
7// * conditions of the Geant4 Software License, included in the file *
8// * LICENSE and available at http://cern.ch/geant4/license . These *
9// * include a list of copyright holders. *
10// * *
11// * Neither the authors of this software system, nor their employing *
12// * institutes,nor the agencies providing financial support for this *
13// * work make any representation or warranty, express or implied, *
14// * regarding this software system or assume any liability for its *
15// * use. Please see the license in the file LICENSE and URL above *
16// * for the full disclaimer and the limitation of liability. *
17// * *
18// * This code implementation is the result of the scientific and *
19// * technical work of the GEANT4 collaboration. *
20// * By using, copying, modifying or distributing the software (or *
21// * any work based on the software) you agree to acknowledge its *
22// * use in resulting scientific publications, and indicate your *
23// * acceptance of all terms of the Geant4 Software license. *
24// ********************************************************************
25//
26//
27// $Id: G4CompositeCurve.hh,v 1.8 2006/06/29 18:38:35 gunter Exp $
28// GEANT4 tag $Name: geant4-09-02-ref-02 $
29//
30// ----------------------------------------------------------------------
31// Class G4CompositeCurve
32//
33// Class description:
34//
35// Definition of a generic composition of curves.
36
37// Authors: J.Sulkimo, P.Urban.
38// Revisions by: L.Broglia, G.Cosmo.
39// ----------------------------------------------------------------------
40#ifndef __G4COMPOSITCURVE_H
41#define __G4COMPOSITCURVE_H
42
43#include "G4Curve.hh"
44#include "G4CurveVector.hh"
45#include "G4CurveRayIntersection.hh"
46#include "G4Point3DVector.hh"
47
48
49class G4CompositeCurve : public G4Curve
50{
51
52public: // with description
53
54 G4CompositeCurve();
55 virtual ~G4CompositeCurve();
56 // Default constructor & destructor
57
58 G4CompositeCurve(const G4Point3DVector& vertices);
59 // Constructor creating closed polygons, given the vertices.
60 // No call to Init and SetBounds is needed after calling this
61 // constructor.
62
63 virtual G4String GetEntityType() const;
64 // Returns entity type identifier.
65
66 virtual G4Curve* Project(const G4Transform3D& tr =
67 HepGeom::Transform3D::Identity);
68 // Project along trasformation tr.
69
70 virtual G4bool Tangent(G4CurvePoint& cp, G4Vector3D& v);
71 // Tangent computed from the 3D point representation.
72
73 virtual G4double GetPMax() const;
74 virtual G4Point3D GetPoint(G4double param) const;
75 virtual G4double GetPPoint(const G4Point3D& p) const;
76 const G4CurveVector& GetSegments() const;
77 // Acccessors for the geometric data
78
79 void Init(const G4CurveVector& segments0);
80 // Initialises geometric data.
81 // The object is not responsible for deleting the curves;
82 // only a shallow copy of the CurveVector is made.
83
84public: // without description
85
86 // virtual void IntersectRay2D(const G4Ray& ray, G4CurveRayIntersection& is);
87 virtual G4int IntersectRay2D(const G4Ray& ray);
88
89protected: // with description
90
91 virtual void InitBounded();
92 // Compute bounding box.
93
94private:
95
96 G4CompositeCurve(const G4CompositeCurve&);
97 G4CompositeCurve& operator=(const G4CompositeCurve&);
98 // Private copy-constructor and assignment operator.
99
100private:
101
102 G4CurveVector segments;
103 G4CurveRayIntersection lastIntersection;
104 // geometric data
105
106};
107
108#include "G4CompositeCurve.icc"
109
110#endif
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