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1 | // Created on: 1995-07-02 |
2 | // Created by: Laurent BUCHARD |
3 | // Copyright (c) 1995-1999 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 _Contap_HContTool_HeaderFile |
18 | #define _Contap_HContTool_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <Standard_Integer.hxx> |
25 | #include <Standard_Real.hxx> |
26 | #include <Standard_Boolean.hxx> |
27 | class Adaptor3d_HSurface; |
28 | class Adaptor2d_HCurve2d; |
29 | class gp_Pnt2d; |
30 | class Adaptor3d_HVertex; |
31 | class gp_Pnt; |
32 | |
33 | |
34 | //! Tool for the intersection between 2 surfaces. |
35 | //! Regroupe pour l instant les methodes hors Adaptor3d... |
36 | class Contap_HContTool |
37 | { |
38 | public: |
39 | |
40 | DEFINE_STANDARD_ALLOC |
41 | |
42 | |
43 | Standard_EXPORT static Standard_Integer NbSamplesU (const Handle(Adaptor3d_HSurface)& S, const Standard_Real u1, const Standard_Real u2); |
44 | |
45 | Standard_EXPORT static Standard_Integer NbSamplesV (const Handle(Adaptor3d_HSurface)& S, const Standard_Real v1, const Standard_Real v2); |
46 | |
47 | Standard_EXPORT static Standard_Integer NbSamplePoints (const Handle(Adaptor3d_HSurface)& S); |
48 | |
49 | Standard_EXPORT static void SamplePoint (const Handle(Adaptor3d_HSurface)& S, const Standard_Integer Index, Standard_Real& U, Standard_Real& V); |
50 | |
51 | //! Returns True if all the intersection point and edges |
52 | //! are known on the Arc. |
53 | //! The intersection point are given as vertices. |
54 | //! The intersection edges are given as intervals between |
55 | //! two vertices. |
56 | Standard_EXPORT static Standard_Boolean HasBeenSeen (const Handle(Adaptor2d_HCurve2d)& C); |
57 | |
58 | //! returns the number of points which is used to make |
59 | //! a sample on the arc. this number is a function of |
60 | //! the Surface and the CurveOnSurface complexity. |
61 | Standard_EXPORT static Standard_Integer NbSamplesOnArc (const Handle(Adaptor2d_HCurve2d)& A); |
62 | |
63 | //! Returns the parametric limits on the arc C. |
64 | //! These limits must be finite : they are either |
65 | //! the real limits of the arc, for a finite arc, |
66 | //! or a bounding box for an infinite arc. |
67 | Standard_EXPORT static void Bounds (const Handle(Adaptor2d_HCurve2d)& C, Standard_Real& Ufirst, Standard_Real& Ulast); |
68 | |
69 | //! Projects the point P on the arc C. |
70 | //! If the methods returns Standard_True, the projection is |
71 | //! successful, and Paramproj is the parameter on the arc |
72 | //! of the projected point, Ptproj is the projected Point. |
73 | //! If the method returns Standard_False, Param proj and Ptproj |
74 | //! are not significant. |
75 | Standard_EXPORT static Standard_Boolean Project (const Handle(Adaptor2d_HCurve2d)& C, const gp_Pnt2d& P, Standard_Real& Paramproj, gp_Pnt2d& Ptproj); |
76 | |
77 | //! Returns the parametric tolerance used to consider |
78 | //! that the vertex and another point meet, i-e |
79 | //! if Abs(parameter(Vertex) - parameter(OtherPnt))<= |
80 | //! Tolerance, the points are "merged". |
81 | Standard_EXPORT static Standard_Real Tolerance (const Handle(Adaptor3d_HVertex)& V, const Handle(Adaptor2d_HCurve2d)& C); |
82 | |
83 | //! Returns the parameter of the vertex V on the arc A. |
84 | Standard_EXPORT static Standard_Real Parameter (const Handle(Adaptor3d_HVertex)& V, const Handle(Adaptor2d_HCurve2d)& C); |
85 | |
86 | //! Returns the number of intersection points on the arc A. |
87 | Standard_EXPORT static Standard_Integer NbPoints (const Handle(Adaptor2d_HCurve2d)& C); |
88 | |
89 | //! Returns the value (Pt), the tolerance (Tol), and |
90 | //! the parameter (U) on the arc A , of the intersection |
91 | //! point of range Index. |
92 | Standard_EXPORT static void Value (const Handle(Adaptor2d_HCurve2d)& C, const Standard_Integer Index, gp_Pnt& Pt, Standard_Real& Tol, Standard_Real& U); |
93 | |
94 | //! Returns True if the intersection point of range Index |
95 | //! corresponds with a vertex on the arc A. |
96 | Standard_EXPORT static Standard_Boolean IsVertex (const Handle(Adaptor2d_HCurve2d)& C, const Standard_Integer Index); |
97 | |
98 | //! When IsVertex returns True, this method returns the |
99 | //! vertex on the arc A. |
100 | Standard_EXPORT static void Vertex (const Handle(Adaptor2d_HCurve2d)& C, const Standard_Integer Index, Handle(Adaptor3d_HVertex)& V); |
101 | |
102 | //! returns the number of part of A solution of the |
103 | //! of intersection problem. |
104 | Standard_EXPORT static Standard_Integer NbSegments (const Handle(Adaptor2d_HCurve2d)& C); |
105 | |
106 | //! Returns True when the segment of range Index is not |
107 | //! open at the left side. In that case, IndFirst is the |
108 | //! range in the list intersection points (see NbPoints) |
109 | //! of the one which defines the left bound of the segment. |
110 | //! Otherwise, the method has to return False, and IndFirst |
111 | //! has no meaning. |
112 | Standard_EXPORT static Standard_Boolean HasFirstPoint (const Handle(Adaptor2d_HCurve2d)& C, const Standard_Integer Index, Standard_Integer& IndFirst); |
113 | |
114 | //! Returns True when the segment of range Index is not |
115 | //! open at the right side. In that case, IndLast is the |
116 | //! range in the list intersection points (see NbPoints) |
117 | //! of the one which defines the right bound of the segment. |
118 | //! Otherwise, the method has to return False, and IndLast |
119 | //! has no meaning. |
120 | Standard_EXPORT static Standard_Boolean HasLastPoint (const Handle(Adaptor2d_HCurve2d)& C, const Standard_Integer Index, Standard_Integer& IndLast); |
121 | |
122 | //! Returns True when the whole restriction is solution |
123 | //! of the intersection problem. |
124 | Standard_EXPORT static Standard_Boolean IsAllSolution (const Handle(Adaptor2d_HCurve2d)& C); |
125 | |
126 | |
127 | |
128 | |
129 | protected: |
130 | |
131 | |
132 | |
133 | |
134 | |
135 | private: |
136 | |
137 | |
138 | |
139 | |
140 | |
141 | }; |
142 | |
143 | |
144 | |
145 | |
146 | |
147 | |
148 | |
149 | #endif // _Contap_HContTool_HeaderFile |