0031642: Visualization - crash in Graphic3d_Structure::SetVisual() on redisplaying...
[occt.git] / src / IntCurvesFace / IntCurvesFace_ShapeIntersector.hxx
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42cf5bc1 1// Created on: 1998-01-27
2// Created by: Laurent BUCHARD
3// Copyright (c) 1998-1999 Matra Datavision
4// Copyright (c) 1999-2014 OPEN CASCADE SAS
5//
6// This file is part of Open CASCADE Technology software library.
7//
8// This library is free software; you can redistribute it and/or modify it under
9// the terms of the GNU Lesser General Public License version 2.1 as published
10// by the Free Software Foundation, with special exception defined in the file
11// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12// distribution for complete text of the license and disclaimer of any warranty.
13//
14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
16
17#ifndef _IntCurvesFace_ShapeIntersector_HeaderFile
18#define _IntCurvesFace_ShapeIntersector_HeaderFile
19
20#include <Standard.hxx>
21#include <Standard_DefineAlloc.hxx>
22#include <Standard_Handle.hxx>
23
24#include <Standard_Boolean.hxx>
25#include <Standard_Integer.hxx>
26#include <Standard_Address.hxx>
27#include <BRepTopAdaptor_SeqOfPtr.hxx>
28#include <TColStd_SequenceOfInteger.hxx>
29#include <TColStd_SequenceOfReal.hxx>
30#include <Standard_Real.hxx>
31#include <IntCurveSurface_TransitionOnCurve.hxx>
32#include <TopAbs_State.hxx>
33class TopoDS_Shape;
34class gp_Lin;
35class Adaptor3d_HCurve;
36class gp_Pnt;
37class TopoDS_Face;
38
39
40
41class IntCurvesFace_ShapeIntersector
42{
43public:
44
45 DEFINE_STANDARD_ALLOC
46
47
48 Standard_EXPORT IntCurvesFace_ShapeIntersector();
49
50 Standard_EXPORT void Load (const TopoDS_Shape& Sh, const Standard_Real Tol);
51
52 //! Perform the intersection between the
53 //! segment L and the loaded shape.
54 //!
55 //! PInf is the smallest parameter on the line
56 //! PSup is the highest parammter on the line
57 //!
58 //! For an infinite line PInf and PSup can be
59 //! +/- RealLast.
60 Standard_EXPORT void Perform (const gp_Lin& L, const Standard_Real PInf, const Standard_Real PSup);
61
62 //! Perform the intersection between the
63 //! segment L and the loaded shape.
64 //!
65 //! PInf is the smallest parameter on the line
66 //! PSup is the highest parammter on the line
67 //!
68 //! For an infinite line PInf and PSup can be
69 //! +/- RealLast.
70 Standard_EXPORT void PerformNearest (const gp_Lin& L, const Standard_Real PInf, const Standard_Real PSup);
71
72 //! same method for a HCurve from Adaptor3d.
73 //! PInf an PSup can also be - and + INF.
74 Standard_EXPORT void Perform (const Handle(Adaptor3d_HCurve)& HCu, const Standard_Real PInf, const Standard_Real PSup);
75
76 //! True is returned when the intersection have been computed.
77 Standard_Boolean IsDone() const;
78
79 Standard_Integer NbPnt() const;
80
81 //! Returns the U parameter of the ith intersection point
82 //! on the surface.
83 Standard_Real UParameter (const Standard_Integer I) const;
84
85 //! Returns the V parameter of the ith intersection point
86 //! on the surface.
87 Standard_Real VParameter (const Standard_Integer I) const;
88
89 //! Returns the parameter of the ith intersection point
90 //! on the line.
91 Standard_Real WParameter (const Standard_Integer I) const;
92
93 //! Returns the geometric point of the ith intersection
94 //! between the line and the surface.
95 const gp_Pnt& Pnt (const Standard_Integer I) const;
96
97 //! Returns the ith transition of the line on the surface.
98 IntCurveSurface_TransitionOnCurve Transition (const Standard_Integer I) const;
99
100 //! Returns the ith state of the point on the face.
101 //! The values can be either TopAbs_IN
102 //! ( the point is in the face)
103 //! or TopAbs_ON
104 //! ( the point is on a boudary of the face).
105 TopAbs_State State (const Standard_Integer I) const;
106
107 //! Returns the significant face used to determine
108 //! the intersection.
109 const TopoDS_Face& Face (const Standard_Integer I) const;
110
111 //! Internal method. Sort the result on the Curve
112 //! parameter.
113 Standard_EXPORT void SortResult();
114
115 Standard_EXPORT void Destroy();
116~IntCurvesFace_ShapeIntersector()
117{
118 Destroy();
119}
120
121
122
123
124protected:
125
126
127
128
129
130private:
131
132
133
134 Standard_Boolean done;
135 Standard_Integer nbfaces;
136 Standard_Address PtrJetons;
137 Standard_Address PtrJetonsIndex;
138 BRepTopAdaptor_SeqOfPtr PtrIntersector;
139 TColStd_SequenceOfInteger IndexPt;
140 TColStd_SequenceOfInteger IndexFace;
141 TColStd_SequenceOfInteger IndexIntPnt;
142 TColStd_SequenceOfReal IndexPar;
143
144
145};
146
147
148#include <IntCurvesFace_ShapeIntersector.lxx>
149
150
151
152
153
154#endif // _IntCurvesFace_ShapeIntersector_HeaderFile