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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 | |
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20 | #include <Adaptor3d_Surface.hxx> |
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21 | #include <IntPatch_SequenceOfPoint.hxx> |
22 | #include <IntPatch_SequenceOfLine.hxx> |
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23 | #include <IntSurf_ListOfPntOn2S.hxx> |
24 | #include <GeomAbs_SurfaceType.hxx> |
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25 | |
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26 | class Adaptor3d_TopolTool; |
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27 | |
28 | |
29 | //! This class provides a generic algorithm to intersect |
30 | //! 2 surfaces. |
31 | class IntPatch_Intersection |
32 | { |
33 | public: |
34 | |
35 | DEFINE_STANDARD_ALLOC |
36 | |
37 | |
38 | Standard_EXPORT IntPatch_Intersection(); |
39 | |
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40 | Standard_EXPORT IntPatch_Intersection(const Handle(Adaptor3d_Surface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_Surface)& S2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Real TolArc, const Standard_Real TolTang); |
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41 | |
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42 | Standard_EXPORT IntPatch_Intersection(const Handle(Adaptor3d_Surface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Standard_Real TolArc, const Standard_Real TolTang); |
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43 | |
44 | //! Set the tolerances used by the algorithms: |
45 | //! --- Implicit - Parametric |
46 | //! --- Parametric - Parametric |
47 | //! --- Implicit - Implicit |
48 | //! |
49 | //! TolArc is used to compute the intersections |
50 | //! between the restrictions of a surface and a |
51 | //! walking line. |
52 | //! |
53 | //! TolTang is used to compute the points on a walking |
54 | //! line, and in geometric algorithms. |
55 | //! |
56 | //! Fleche is a parameter used in the walking |
57 | //! algorithms to provide small curvatures on a line. |
58 | //! |
59 | //! UVMaxStep is a parameter used in the walking |
60 | //! algorithms to compute the distance between to |
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61 | //! points in their respective parametric spaces. |
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62 | Standard_EXPORT void SetTolerances (const Standard_Real TolArc, const Standard_Real TolTang, const Standard_Real UVMaxStep, const Standard_Real Fleche); |
63 | |
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64 | //! Flag theIsReqToKeepRLine has been entered only for |
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65 | //! compatibility with TopOpeBRep package. It shall be deleted |
66 | //! after deleting TopOpeBRep. |
67 | //! When intersection result returns IntPatch_RLine and another |
68 | //! IntPatch_Line (not restriction) we (in case of theIsReqToKeepRLine==TRUE) |
69 | //! will always keep both lines even if they are coincided. |
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70 | //! Flag theIsReqToPostWLProc has been entered only for |
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71 | //! compatibility with TopOpeBRep package. It shall be deleted |
72 | //! after deleting TopOpeBRep. |
73 | //! If theIsReqToPostWLProc == FALSE, then we will work with Walking-line |
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74 | //! obtained after intersection algorithm directly (without any post-processing). |
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75 | Standard_EXPORT void Perform (const Handle(Adaptor3d_Surface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_Surface)& 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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76 | |
77 | //! If isGeomInt == Standard_False, then method |
78 | //! Param-Param intersection will be used. |
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79 | //! Flag theIsReqToKeepRLine has been entered only for |
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80 | //! compatibility with TopOpeBRep package. It shall be deleted |
81 | //! after deleting TopOpeBRep. |
82 | //! When intersection result returns IntPatch_RLine and another |
83 | //! IntPatch_Line (not restriction) we (in case of theIsReqToKeepRLine==TRUE) |
84 | //! will always keep both lines even if they are coincided. |
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85 | //! Flag theIsReqToPostWLProc has been entered only for |
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86 | //! compatibility with TopOpeBRep package. It shall be deleted |
87 | //! after deleting TopOpeBRep. |
88 | //! If theIsReqToPostWLProc == FALSE, then we will work with Walking-line |
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89 | //! obtained after intersection algorithm directly (without any post-processing). |
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90 | Standard_EXPORT void Perform (const Handle(Adaptor3d_Surface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_Surface)& 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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91 | |
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92 | //! Perform with start point |
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93 | Standard_EXPORT void Perform (const Handle(Adaptor3d_Surface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_Surface)& 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); |
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94 | |
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95 | //! Uses for finding self-intersected surfaces. |
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96 | Standard_EXPORT void Perform (const Handle(Adaptor3d_Surface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Standard_Real TolArc, const Standard_Real TolTang); |
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97 | |
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98 | //! Returns True if the calculus was successful. |
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99 | Standard_Boolean IsDone() const; |
100 | |
101 | //! Returns true if the is no intersection. |
102 | Standard_Boolean IsEmpty() const; |
103 | |
104 | //! Returns True if the two patches are considered as |
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105 | //! entirely tangent, i-e every restriction arc of one |
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106 | //! patch is inside the geometric base of the other patch. |
107 | Standard_Boolean TangentFaces() const; |
108 | |
109 | //! Returns True when the TangentFaces returns True and the |
110 | //! normal vectors evaluated at a point on the first and the |
111 | //! second surface are opposite. |
112 | //! The exception DomainError is raised if TangentFaces |
113 | //! returns False. |
114 | Standard_Boolean OppositeFaces() const; |
115 | |
116 | //! Returns the number of "single" points. |
117 | Standard_Integer NbPnts() const; |
118 | |
119 | //! Returns the point of range Index. |
120 | //! An exception is raised if Index<=0 or Index>NbPnt. |
121 | const IntPatch_Point& Point (const Standard_Integer Index) const; |
122 | |
123 | //! Returns the number of intersection lines. |
124 | Standard_Integer NbLines() const; |
125 | |
126 | //! Returns the line of range Index. |
127 | //! An exception is raised if Index<=0 or Index>NbLine. |
128 | const Handle(IntPatch_Line)& Line (const Standard_Integer Index) const; |
129 | |
130 | Standard_EXPORT const IntPatch_SequenceOfLine& SequenceOfLine() const; |
131 | |
132 | //! Dump of each result line. |
133 | //! Mode for more accurate dumps. |
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134 | Standard_EXPORT void Dump (const Standard_Integer Mode, const Handle(Adaptor3d_Surface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_Surface)& S2, const Handle(Adaptor3d_TopolTool)& D2) const; |
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135 | |
136 | |
137 | |
138 | |
139 | protected: |
140 | |
141 | |
142 | |
143 | |
144 | |
145 | private: |
146 | |
147 | |
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148 | Standard_EXPORT void ParamParamPerfom (const Handle(Adaptor3d_Surface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_Surface)& 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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149 | |
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150 | //! Flag theIsReqToKeepRLine has been entered only for |
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151 | //! compatibility with TopOpeBRep package. It shall be deleted |
152 | //! after deleting TopOpeBRep. |
153 | //! When intersection result returns IntPatch_RLine and another |
154 | //! IntPatch_Line (not restriction) we (in case of theIsReqToKeepRLine==TRUE) |
155 | //! will always keep both lines even if they are coincided. |
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156 | Standard_EXPORT void GeomGeomPerfom (const Handle(Adaptor3d_Surface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_Surface)& 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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157 | |
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158 | Standard_EXPORT void GeomParamPerfom (const Handle(Adaptor3d_Surface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_Surface)& S2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Boolean isNotAnalitical, const GeomAbs_SurfaceType typs1, const GeomAbs_SurfaceType typs2); |
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159 | |
160 | |
161 | Standard_Boolean done; |
162 | Standard_Boolean empt; |
163 | Standard_Boolean tgte; |
164 | Standard_Boolean oppo; |
165 | IntPatch_SequenceOfPoint spnt; |
166 | IntPatch_SequenceOfLine slin; |
167 | Standard_Real myTolArc; |
168 | Standard_Real myTolTang; |
169 | Standard_Real myUVMaxStep; |
170 | Standard_Real myFleche; |
171 | Standard_Boolean myIsStartPnt; |
172 | Standard_Real myU1Start; |
173 | Standard_Real myV1Start; |
174 | Standard_Real myU2Start; |
175 | Standard_Real myV2Start; |
176 | |
177 | |
178 | }; |
179 | |
180 | |
181 | #include <IntPatch_Intersection.lxx> |
182 | |
183 | |
184 | |
185 | |
186 | |
187 | #endif // _IntPatch_Intersection_HeaderFile |