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1 | // Created by: Peter KURNEV |
2 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
3 | // |
4 | // This file is part of Open CASCADE Technology software library. |
5 | // |
6 | // This library is free software; you can redistribute it and/or modify it under |
7 | // the terms of the GNU Lesser General Public License version 2.1 as published |
8 | // by the Free Software Foundation, with special exception defined in the file |
9 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
10 | // distribution for complete text of the license and disclaimer of any warranty. |
11 | // |
12 | // Alternatively, this file may be used under the terms of Open CASCADE |
13 | // commercial license or contractual agreement. |
14 | |
15 | #ifndef _BOPTools_AlgoTools2D_HeaderFile |
16 | #define _BOPTools_AlgoTools2D_HeaderFile |
17 | |
18 | #include <Standard.hxx> |
19 | #include <Standard_DefineAlloc.hxx> |
20 | #include <Standard_Handle.hxx> |
21 | |
22 | #include <Standard_Boolean.hxx> |
23 | #include <Standard_Real.hxx> |
24 | #include <BOPCol_ListOfShape.hxx> |
25 | #include <Standard_Integer.hxx> |
26 | class TopoDS_Edge; |
27 | class TopoDS_Face; |
28 | class gp_Vec; |
29 | class Geom2d_Curve; |
30 | class Geom_Curve; |
31 | class BRepAdaptor_Surface; |
32 | class ProjLib_ProjectedCurve; |
33 | class IntTools_Context; |
34 | |
35 | |
36 | |
37 | //! The class contains handy static functions |
38 | //! dealing with the topology |
39 | //! This is the copy of the BOPTools_AlgoTools2D.cdl |
40 | class BOPTools_AlgoTools2D |
41 | { |
42 | public: |
43 | |
44 | DEFINE_STANDARD_ALLOC |
45 | |
46 | |
47 | |
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48 | //! Compute P-Curve for the edge <aE> on the face <aF>.<br> |
49 | //! Raises exception Standard_ConstructionError if projection algorithm fails.<br> |
50 | //! <theContext> - storage for caching the geometrical tools |
51 | Standard_EXPORT static void BuildPCurveForEdgeOnFace (const TopoDS_Edge& aE, |
52 | const TopoDS_Face& aF, |
53 | const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)()); |
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54 | |
55 | |
56 | //! Compute tangent for the edge <aE> [in 3D] at parameter <aT> |
57 | Standard_EXPORT static Standard_Boolean EdgeTangent (const TopoDS_Edge& anE, const Standard_Real aT, gp_Vec& Tau); |
58 | |
59 | |
60 | //! Compute surface parameters <U,V> of the face <aF> |
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61 | //! for the point from the edge <aE> at parameter <aT>.<br> |
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62 | //! If <aE> has't pcurve on surface, algorithm tries to get it by |
63 | //! projection and can |
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64 | //! raise exception Standard_ConstructionError if projection algorithm fails.<br> |
65 | //! <theContext> - storage for caching the geometrical tools |
66 | Standard_EXPORT static void PointOnSurface (const TopoDS_Edge& aE, |
67 | const TopoDS_Face& aF, |
68 | const Standard_Real aT, |
69 | Standard_Real& U, |
70 | Standard_Real& V, |
71 | const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)()); |
72 | |
73 | |
74 | //! Get P-Curve <aC> for the edge <aE> on surface <aF> .<br> |
75 | //! If the P-Curve does not exist, build it using Make2D().<br> |
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76 | //! [aToler] - reached tolerance |
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77 | //! Raises exception Standard_ConstructionError if algorithm Make2D() fails.<br> |
78 | //! <theContext> - storage for caching the geometrical tools |
79 | Standard_EXPORT static void CurveOnSurface (const TopoDS_Edge& aE, |
80 | const TopoDS_Face& aF, |
81 | Handle(Geom2d_Curve)& aC, |
82 | Standard_Real& aToler, |
83 | const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)()); |
84 | |
85 | //! Get P-Curve <aC> for the edge <aE> on surface <aF> .<br> |
86 | //! If the P-Curve does not exist, build it using Make2D().<br> |
87 | //! [aFirst, aLast] - range of the P-Curve<br> |
88 | //! [aToler] - reached tolerance<br> |
89 | //! Raises exception Standard_ConstructionError if algorithm Make2D() fails.<br> |
90 | //! <theContext> - storage for caching the geometrical tools |
91 | Standard_EXPORT static void CurveOnSurface (const TopoDS_Edge& aE, |
92 | const TopoDS_Face& aF, |
93 | Handle(Geom2d_Curve)& aC, |
94 | Standard_Real& aFirst, |
95 | Standard_Real& aLast, |
96 | Standard_Real& aToler, |
97 | const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)()); |
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98 | |
99 | |
100 | //! Returns TRUE if the edge <aE> has P-Curve <aC> |
101 | //! on surface <aF> . |
102 | //! [aFirst, aLast] - range of the P-Curve |
103 | //! [aToler] - reached tolerance |
104 | //! If the P-Curve does not exist, aC.IsNull()=TRUE. |
105 | Standard_EXPORT static Standard_Boolean HasCurveOnSurface (const TopoDS_Edge& aE, const TopoDS_Face& aF, Handle(Geom2d_Curve)& aC, Standard_Real& aFirst, Standard_Real& aLast, Standard_Real& aToler); |
106 | |
107 | |
108 | //! Returns TRUE if the edge <aE> has P-Curve <aC> |
109 | //! on surface <aF> . |
110 | //! If the P-Curve does not exist, aC.IsNull()=TRUE. |
111 | Standard_EXPORT static Standard_Boolean HasCurveOnSurface (const TopoDS_Edge& aE, const TopoDS_Face& aF); |
112 | |
113 | |
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114 | //! Adjust P-Curve <theC2D> (3D-curve <theC3D>) on surface of the face <theF>.<br> |
115 | //! <theContext> - storage for caching the geometrical tools |
116 | Standard_EXPORT static void AdjustPCurveOnFace (const TopoDS_Face& theF, |
117 | const Handle(Geom_Curve)& theC3D, |
118 | const Handle(Geom2d_Curve)& theC2D, |
119 | Handle(Geom2d_Curve)& theC2DA, |
120 | const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)()); |
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121 | |
122 | |
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123 | //! Adjust P-Curve <aC2D> (3D-curve <C3D>) on surface <aF> .<br> |
124 | //! [aT1, aT2] - range to adjust<br> |
125 | //! <theContext> - storage for caching the geometrical tools |
126 | Standard_EXPORT static void AdjustPCurveOnFace (const TopoDS_Face& theF, |
127 | const Standard_Real theFirst, |
128 | const Standard_Real theLast, |
129 | const Handle(Geom2d_Curve)& theC2D, |
130 | Handle(Geom2d_Curve)& theC2DA, |
131 | const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)()); |
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132 | |
133 | //! Adjust P-Curve <aC2D> (3D-curve <C3D>) on surface <aF> . |
134 | //! [aT1, aT2] - range to adjust |
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135 | Standard_EXPORT static void AdjustPCurveOnSurf (const BRepAdaptor_Surface& aF, const Standard_Real aT1, const Standard_Real aT2, const Handle(Geom2d_Curve)& aC2D, Handle(Geom2d_Curve)& aC2DA); |
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136 | |
137 | |
138 | //! Compute intermediate value in between [aFirst, aLast] . |
139 | Standard_EXPORT static Standard_Real IntermediatePoint (const Standard_Real aFirst, const Standard_Real aLast); |
140 | |
141 | |
142 | //! Compute intermediate value of parameter for the edge <anE>. |
143 | Standard_EXPORT static Standard_Real IntermediatePoint (const TopoDS_Edge& anE); |
144 | |
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145 | //! Build pcurve of edge on face if the surface is plane, and update the edge. |
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146 | Standard_EXPORT static void BuildPCurveForEdgeOnPlane (const TopoDS_Edge& theE, const TopoDS_Face& theF); |
147 | |
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148 | //! Build pcurve of edge on face if the surface is plane, but do not update the edge. |
149 | //! The output are the pcurve and the flag telling that pcurve was built. |
150 | Standard_EXPORT static void BuildPCurveForEdgeOnPlane (const TopoDS_Edge& theE, const TopoDS_Face& theF, |
151 | Handle(Geom2d_Curve)& aC2D, Standard_Boolean& bToUpdate); |
152 | |
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153 | Standard_EXPORT static void BuildPCurveForEdgesOnPlane (const BOPCol_ListOfShape& theLE, const TopoDS_Face& theF); |
154 | |
155 | |
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156 | //! Make P-Curve <aC> for the edge <aE> on surface <aF> .<br> |
157 | //! [aFirst, aLast] - range of the P-Curve<br> |
158 | //! [aToler] - reached tolerance<br> |
159 | //! Raises exception Standard_ConstructionError if algorithm fails.<br> |
160 | //! <theContext> - storage for caching the geometrical tools |
161 | Standard_EXPORT static void Make2D (const TopoDS_Edge& aE, |
162 | const TopoDS_Face& aF, |
163 | Handle(Geom2d_Curve)& aC, |
164 | Standard_Real& aFirst, |
165 | Standard_Real& aLast, |
166 | Standard_Real& aToler, |
167 | const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)()); |
168 | |
169 | |
170 | //! Make P-Curve <aC> for the 3D-curve <C3D> on surface <aF> .<br> |
171 | //! [aToler] - reached tolerance<br> |
172 | //! Raises exception Standard_ConstructionError if projection algorithm fails.<br> |
173 | //! <theContext> - storage for caching the geometrical tools |
174 | Standard_EXPORT static void MakePCurveOnFace (const TopoDS_Face& aF, |
175 | const Handle(Geom_Curve)& C3D, |
176 | Handle(Geom2d_Curve)& aC, |
177 | Standard_Real& aToler, |
178 | const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)()); |
179 | |
180 | |
181 | //! Make P-Curve <aC> for the 3D-curve <C3D> on surface <aF> .<br> |
182 | //! [aT1, aT2] - range to build<br> |
183 | //! [aToler] - reached tolerance<br> |
184 | //! Raises exception Standard_ConstructionError if projection algorithm fails.<br> |
185 | //! <theContext> - storage for caching the geometrical tools |
186 | Standard_EXPORT static void MakePCurveOnFace (const TopoDS_Face& aF, |
187 | const Handle(Geom_Curve)& C3D, |
188 | const Standard_Real aT1, |
189 | const Standard_Real aT2, |
190 | Handle(Geom2d_Curve)& aC, |
191 | Standard_Real& aToler, |
192 | const Handle(IntTools_Context)& theContext = Handle(IntTools_Context)()); |
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193 | |
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194 | //! Attach P-Curve from the edge <aEold> on surface <aF> |
195 | //! to the edge <aEnew> |
196 | //! Returns 0 in case of success |
197 | Standard_EXPORT static Standard_Integer AttachExistingPCurve (const TopoDS_Edge& aEold, const TopoDS_Edge& aEnew, const TopoDS_Face& aF, const Handle(IntTools_Context)& aCtx); |
198 | |
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199 | //! Checks if CurveOnSurface of theE on theF matches with isoline of theF surface. |
200 | //! Sets corresponding values for isTheUIso and isTheVIso variables. |
201 | //! ATTENTION!!! |
202 | //! This method is based on comparation between direction of |
203 | //! surface (which theF is based on) iso-lines and the direction |
204 | //! of the edge p-curve (on theF) in middle-point of the p-curve. |
205 | //! This method should be used carefully |
206 | //! (e.g. BRep_Tool::IsClosed(...) together) in order to |
207 | //! avoid false classification some p-curves as isoline (e.g. circle |
208 | //! on a plane). |
209 | Standard_EXPORT static void IsEdgeIsoline(const TopoDS_Edge& theE, |
210 | const TopoDS_Face& theF, |
211 | Standard_Boolean& isTheUIso, |
212 | Standard_Boolean& isTheVIso); |
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213 | |
214 | |
215 | protected: |
216 | |
217 | |
218 | |
219 | |
220 | |
221 | private: |
222 | |
223 | |
224 | |
225 | |
226 | |
227 | }; |
228 | |
229 | |
230 | |
231 | |
232 | |
233 | |
234 | |
235 | #endif // _BOPTools_AlgoTools2D_HeaderFile |