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1 | // Created on: 1993-01-21 |
2 | // Created by: Jacques GOUSSARD |
3 | // Copyright (c) 1993-1999 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 _IntPatch_Intersection_HeaderFile |
18 | #define _IntPatch_Intersection_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <Standard_Boolean.hxx> |
25 | #include <IntPatch_SequenceOfPoint.hxx> |
26 | #include <IntPatch_SequenceOfLine.hxx> |
27 | #include <Standard_Real.hxx> |
28 | #include <IntSurf_ListOfPntOn2S.hxx> |
29 | #include <GeomAbs_SurfaceType.hxx> |
30 | #include <Standard_Integer.hxx> |
31 | class StdFail_NotDone; |
32 | class Standard_OutOfRange; |
33 | class Standard_DomainError; |
34 | class Standard_ConstructionError; |
35 | class Adaptor3d_HSurface; |
36 | class Adaptor3d_TopolTool; |
37 | class IntPatch_Point; |
38 | class IntPatch_Line; |
39 | |
40 | |
41 | //! This class provides a generic algorithm to intersect |
42 | //! 2 surfaces. |
43 | class IntPatch_Intersection |
44 | { |
45 | public: |
46 | |
47 | DEFINE_STANDARD_ALLOC |
48 | |
49 | |
50 | Standard_EXPORT IntPatch_Intersection(); |
51 | |
52 | Standard_EXPORT IntPatch_Intersection(const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Real TolArc, const Standard_Real TolTang); |
53 | |
54 | Standard_EXPORT IntPatch_Intersection(const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Standard_Real TolArc, const Standard_Real TolTang); |
55 | |
56 | //! Set the tolerances used by the algorithms: |
57 | //! --- Implicit - Parametric |
58 | //! --- Parametric - Parametric |
59 | //! --- Implicit - Implicit |
60 | //! |
61 | //! TolArc is used to compute the intersections |
62 | //! between the restrictions of a surface and a |
63 | //! walking line. |
64 | //! |
65 | //! TolTang is used to compute the points on a walking |
66 | //! line, and in geometric algorithms. |
67 | //! |
68 | //! Fleche is a parameter used in the walking |
69 | //! algorithms to provide small curvatures on a line. |
70 | //! |
71 | //! UVMaxStep is a parameter used in the walking |
72 | //! algorithms to compute the distance between to |
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73 | //! points in their respective parametric spaces. |
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74 | Standard_EXPORT void SetTolerances (const Standard_Real TolArc, const Standard_Real TolTang, const Standard_Real UVMaxStep, const Standard_Real Fleche); |
75 | |
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76 | //! Flag theIsReqToKeepRLine has been entered only for |
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77 | //! compatibility with TopOpeBRep package. It shall be deleted |
78 | //! after deleting TopOpeBRep. |
79 | //! When intersection result returns IntPatch_RLine and another |
80 | //! IntPatch_Line (not restriction) we (in case of theIsReqToKeepRLine==TRUE) |
81 | //! will always keep both lines even if they are coincided. |
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82 | //! Flag theIsReqToPostWLProc has been entered only for |
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83 | //! compatibility with TopOpeBRep package. It shall be deleted |
84 | //! after deleting TopOpeBRep. |
85 | //! If theIsReqToPostWLProc == FALSE, then we will work with Walking-line |
86 | //! obtained after intersection algorithm directly (wothout any post-processing). |
87 | Standard_EXPORT void Perform (const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Real TolArc, const Standard_Real TolTang, const Standard_Boolean isGeomInt = Standard_True, const Standard_Boolean theIsReqToKeepRLine = Standard_False, const Standard_Boolean theIsReqToPostWLProc = Standard_True); |
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88 | |
89 | //! If isGeomInt == Standard_False, then method |
90 | //! Param-Param intersection will be used. |
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91 | //! Flag theIsReqToKeepRLine has been entered only for |
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92 | //! compatibility with TopOpeBRep package. It shall be deleted |
93 | //! after deleting TopOpeBRep. |
94 | //! When intersection result returns IntPatch_RLine and another |
95 | //! IntPatch_Line (not restriction) we (in case of theIsReqToKeepRLine==TRUE) |
96 | //! will always keep both lines even if they are coincided. |
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97 | //! Flag theIsReqToPostWLProc has been entered only for |
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98 | //! compatibility with TopOpeBRep package. It shall be deleted |
99 | //! after deleting TopOpeBRep. |
100 | //! If theIsReqToPostWLProc == FALSE, then we will work with Walking-line |
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101 | //! obtained after intersection algorithm directly (without any post-processing). |
102 | Standard_EXPORT void Perform (const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Real TolArc, const Standard_Real TolTang, IntSurf_ListOfPntOn2S& LOfPnts, const Standard_Boolean isGeomInt = Standard_True, const Standard_Boolean theIsReqToKeepRLine = Standard_False, const Standard_Boolean theIsReqToPostWLProc = Standard_True); |
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103 | |
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104 | //! Perform with start point |
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105 | Standard_EXPORT void Perform (const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, const Standard_Real TolArc, const Standard_Real TolTang); |
106 | |
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107 | //! Uses for finding self-intersected surfaces. |
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108 | Standard_EXPORT void Perform (const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Standard_Real TolArc, const Standard_Real TolTang); |
109 | |
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110 | //! Returns True if the calculus was successful. |
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111 | Standard_Boolean IsDone() const; |
112 | |
113 | //! Returns true if the is no intersection. |
114 | Standard_Boolean IsEmpty() const; |
115 | |
116 | //! Returns True if the two patches are considered as |
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117 | //! entirely tangent, i-e every restriction arc of one |
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118 | //! patch is inside the geometric base of the other patch. |
119 | Standard_Boolean TangentFaces() const; |
120 | |
121 | //! Returns True when the TangentFaces returns True and the |
122 | //! normal vectors evaluated at a point on the first and the |
123 | //! second surface are opposite. |
124 | //! The exception DomainError is raised if TangentFaces |
125 | //! returns False. |
126 | Standard_Boolean OppositeFaces() const; |
127 | |
128 | //! Returns the number of "single" points. |
129 | Standard_Integer NbPnts() const; |
130 | |
131 | //! Returns the point of range Index. |
132 | //! An exception is raised if Index<=0 or Index>NbPnt. |
133 | const IntPatch_Point& Point (const Standard_Integer Index) const; |
134 | |
135 | //! Returns the number of intersection lines. |
136 | Standard_Integer NbLines() const; |
137 | |
138 | //! Returns the line of range Index. |
139 | //! An exception is raised if Index<=0 or Index>NbLine. |
140 | const Handle(IntPatch_Line)& Line (const Standard_Integer Index) const; |
141 | |
142 | Standard_EXPORT const IntPatch_SequenceOfLine& SequenceOfLine() const; |
143 | |
144 | //! Dump of each result line. |
145 | //! Mode for more accurate dumps. |
146 | Standard_EXPORT void Dump (const Standard_Integer Mode, const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_TopolTool)& D2) const; |
147 | |
148 | |
149 | |
150 | |
151 | protected: |
152 | |
153 | |
154 | |
155 | |
156 | |
157 | private: |
158 | |
159 | |
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160 | Standard_EXPORT void ParamParamPerfom (const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Real TolArc, const Standard_Real TolTang, IntSurf_ListOfPntOn2S& LOfPnts, const GeomAbs_SurfaceType typs1, const GeomAbs_SurfaceType typs2); |
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161 | |
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162 | //! Flag theIsReqToKeepRLine has been entered only for |
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163 | //! compatibility with TopOpeBRep package. It shall be deleted |
164 | //! after deleting TopOpeBRep. |
165 | //! When intersection result returns IntPatch_RLine and another |
166 | //! IntPatch_Line (not restriction) we (in case of theIsReqToKeepRLine==TRUE) |
167 | //! will always keep both lines even if they are coincided. |
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168 | Standard_EXPORT void GeomGeomPerfom (const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Real TolArc, const Standard_Real TolTang, IntSurf_ListOfPntOn2S& LOfPnts, const GeomAbs_SurfaceType typs1, const GeomAbs_SurfaceType typs2, const Standard_Boolean theIsReqToKeepRLine); |
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169 | |
170 | Standard_EXPORT void GeomParamPerfom (const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Boolean isNotAnalitical, const GeomAbs_SurfaceType typs1, const GeomAbs_SurfaceType typs2); |
171 | |
172 | |
173 | Standard_Boolean done; |
174 | Standard_Boolean empt; |
175 | Standard_Boolean tgte; |
176 | Standard_Boolean oppo; |
177 | IntPatch_SequenceOfPoint spnt; |
178 | IntPatch_SequenceOfLine slin; |
179 | Standard_Real myTolArc; |
180 | Standard_Real myTolTang; |
181 | Standard_Real myUVMaxStep; |
182 | Standard_Real myFleche; |
183 | Standard_Boolean myIsStartPnt; |
184 | Standard_Real myU1Start; |
185 | Standard_Real myV1Start; |
186 | Standard_Real myU2Start; |
187 | Standard_Real myV2Start; |
188 | |
189 | |
190 | }; |
191 | |
192 | |
193 | #include <IntPatch_Intersection.lxx> |
194 | |
195 | |
196 | |
197 | |
198 | |
199 | #endif // _IntPatch_Intersection_HeaderFile |