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1 | // Created on: 2012-06-09 |
2 | // Created by: jgv@ROLEX |
3 | // Copyright (c) 2012-2014 OPEN CASCADE SAS |
4 | // |
5 | // This file is part of Open CASCADE Technology software library. |
6 | // |
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7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
12 | // |
13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
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16 | |
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17 | #include <BRep_Builder.hxx> |
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18 | #include <BRep_CurveRepresentation.hxx> |
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19 | #include <BRep_ListIteratorOfListOfCurveRepresentation.hxx> |
20 | #include <BRep_TEdge.hxx> |
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21 | #include <BRep_Tool.hxx> |
22 | #include <BRepLib.hxx> |
23 | #include <BRepLib_MakeEdge.hxx> |
24 | #include <BRepTopAdaptor_TopolTool.hxx> |
25 | #include <GC_MakeCircle.hxx> |
26 | #include <Geom2d_Line.hxx> |
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27 | #include <Geom2d_TrimmedCurve.hxx> |
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28 | #include <Geom2dConvert.hxx> |
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29 | #include <Geom2dConvert_CompCurveToBSplineCurve.hxx> |
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30 | #include <Geom_BezierCurve.hxx> |
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31 | #include <Geom_BSplineCurve.hxx> |
32 | #include <Geom_Circle.hxx> |
33 | #include <Geom_CylindricalSurface.hxx> |
34 | #include <Geom_ElementarySurface.hxx> |
35 | #include <Geom_Line.hxx> |
36 | #include <Geom_OffsetSurface.hxx> |
37 | #include <Geom_RectangularTrimmedSurface.hxx> |
38 | #include <Geom_Surface.hxx> |
39 | #include <Geom_SurfaceOfLinearExtrusion.hxx> |
40 | #include <Geom_SurfaceOfRevolution.hxx> |
41 | #include <Geom_SweptSurface.hxx> |
42 | #include <Geom_TrimmedCurve.hxx> |
43 | #include <GeomAdaptor_HSurface.hxx> |
44 | #include <GeomConvert.hxx> |
45 | #include <GeomConvert_CompCurveToBSplineCurve.hxx> |
46 | #include <GeomLib_IsPlanarSurface.hxx> |
47 | #include <gp_Cylinder.hxx> |
48 | #include <gp_Dir.hxx> |
49 | #include <gp_Lin.hxx> |
50 | #include <IntPatch_ImpImpIntersection.hxx> |
51 | #include <ShapeAnalysis_Edge.hxx> |
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52 | #include <ShapeAnalysis_WireOrder.hxx> |
53 | #include <ShapeBuild_Edge.hxx> |
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54 | #include <ShapeBuild_ReShape.hxx> |
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55 | #include <ShapeExtend_CompositeSurface.hxx> |
56 | #include <ShapeFix_ComposeShell.hxx> |
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57 | #include <ShapeFix_Edge.hxx> |
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58 | #include <ShapeFix_Face.hxx> |
59 | #include <ShapeFix_SequenceOfWireSegment.hxx> |
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60 | #include <ShapeFix_Shell.hxx> |
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61 | #include <ShapeFix_Wire.hxx> |
62 | #include <ShapeFix_WireSegment.hxx> |
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63 | #include <ShapeUpgrade_RemoveLocations.hxx> |
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64 | #include <ShapeUpgrade_UnifySameDomain.hxx> |
65 | #include <Standard_Type.hxx> |
66 | #include <TColGeom2d_Array1OfBSplineCurve.hxx> |
67 | #include <TColGeom2d_HArray1OfBSplineCurve.hxx> |
68 | #include <TColGeom2d_SequenceOfBoundedCurve.hxx> |
69 | #include <TColGeom_Array1OfBSplineCurve.hxx> |
70 | #include <TColGeom_HArray1OfBSplineCurve.hxx> |
71 | #include <TColGeom_HArray2OfSurface.hxx> |
72 | #include <TColGeom_SequenceOfSurface.hxx> |
73 | #include <TColStd_Array1OfReal.hxx> |
74 | #include <TColStd_MapOfInteger.hxx> |
75 | #include <TopExp.hxx> |
76 | #include <TopExp_Explorer.hxx> |
77 | #include <TopoDS.hxx> |
78 | #include <TopoDS_Edge.hxx> |
79 | #include <TopoDS_Face.hxx> |
80 | #include <TopoDS_Shape.hxx> |
81 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> |
82 | #include <TopTools_IndexedMapOfShape.hxx> |
83 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
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84 | #include <TopTools_MapOfShape.hxx> |
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85 | #include <TopTools_SequenceOfShape.hxx> |
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86 | #include <gp_Circ.hxx> |
87 | #include <BRepAdaptor_Curve.hxx> |
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88 | #include <BRepClass_FaceClassifier.hxx> |
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89 | #include <BRepAdaptor_Curve2d.hxx> |
90 | #include <gp_Vec2d.hxx> |
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91 | |
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92 | IMPLEMENT_STANDARD_RTTIEXT(ShapeUpgrade_UnifySameDomain,MMgt_TShared) |
93 | |
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94 | struct SubSequenceOfEdges |
95 | { |
96 | TopTools_SequenceOfShape SeqsEdges; |
97 | TopoDS_Edge UnionEdges; |
98 | }; |
99 | |
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100 | static Standard_Boolean IsLikeSeam(const TopoDS_Edge& anEdge, |
101 | const TopoDS_Face& aFace, |
102 | const Handle(Geom_Surface)& aBaseSurface) |
103 | { |
104 | if (!aBaseSurface->IsUPeriodic() && !aBaseSurface->IsVPeriodic()) |
105 | return Standard_False; |
106 | |
107 | BRepAdaptor_Curve2d BAcurve2d(anEdge, aFace); |
108 | gp_Pnt2d FirstPoint, LastPoint; |
109 | gp_Vec2d FirstDir, LastDir; |
110 | BAcurve2d.D1(BAcurve2d.FirstParameter(), FirstPoint, FirstDir); |
111 | BAcurve2d.D1(BAcurve2d.LastParameter(), LastPoint, LastDir); |
112 | Standard_Real Length = FirstDir.Magnitude(); |
113 | if (Length <= gp::Resolution()) |
114 | return Standard_False; |
115 | else |
116 | FirstDir /= Length; |
117 | Length = LastDir.Magnitude(); |
118 | if (Length <= gp::Resolution()) |
119 | return Standard_False; |
120 | else |
121 | LastDir /= Length; |
122 | |
123 | Standard_Real Tol = 1.e-7; |
124 | if (aBaseSurface->IsUPeriodic() && |
125 | (Abs(FirstDir.X()) < Tol) && |
126 | (Abs(LastDir.X()) < Tol)) |
127 | return Standard_True; |
128 | |
129 | if (aBaseSurface->IsVPeriodic() && |
130 | (Abs(FirstDir.Y()) < Tol) && |
131 | (Abs(LastDir.Y()) < Tol)) |
132 | return Standard_True; |
133 | |
134 | return Standard_False; |
135 | } |
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136 | |
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137 | static Standard_Boolean CheckSharedEdgeOri(const TopoDS_Face& theF1, |
138 | const TopoDS_Face& theF2, |
139 | const TopoDS_Edge& theE) |
140 | { |
141 | TopAbs_Orientation anEOri = theE.Orientation(); |
142 | if (anEOri == TopAbs_EXTERNAL || anEOri == TopAbs_INTERNAL) |
143 | return Standard_False; |
144 | |
145 | TopExp_Explorer Exp(theF1, TopAbs_EDGE); |
146 | for (;Exp.More();Exp.Next()) |
147 | { |
148 | const TopoDS_Shape& aCE = Exp.Current(); |
149 | if (aCE.IsSame(theE)) |
150 | { |
151 | anEOri = aCE.Orientation(); |
152 | break; |
153 | } |
154 | } |
155 | |
156 | for (Exp.Init(theF2, TopAbs_EDGE);Exp.More();Exp.Next()) |
157 | { |
158 | const TopoDS_Shape& aCE = Exp.Current(); |
159 | if (aCE.IsSame(theE)) |
160 | { |
161 | if (aCE.Orientation() == TopAbs::Reverse(anEOri)) |
162 | return Standard_True; |
163 | else |
164 | return Standard_False; |
165 | } |
166 | } |
167 | |
168 | return Standard_False; |
169 | |
170 | } |
171 | |
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172 | //======================================================================= |
173 | //function : AddOrdinaryEdges |
174 | //purpose : auxilary |
175 | //======================================================================= |
176 | // adds edges from the shape to the sequence |
177 | // seams and equal edges are dropped |
178 | // Returns true if one of original edges dropped |
179 | static Standard_Boolean AddOrdinaryEdges(TopTools_SequenceOfShape& edges, |
180 | const TopoDS_Shape aShape, |
181 | Standard_Integer& anIndex) |
182 | { |
183 | //map of edges |
184 | TopTools_IndexedMapOfShape aNewEdges; |
185 | //add edges without seams |
186 | for(TopExp_Explorer exp(aShape,TopAbs_EDGE); exp.More(); exp.Next()) { |
187 | TopoDS_Shape edge = exp.Current(); |
188 | if(aNewEdges.Contains(edge)) |
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189 | aNewEdges.RemoveKey(edge); |
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190 | else |
191 | aNewEdges.Add(edge); |
192 | } |
193 | |
194 | Standard_Boolean isDropped = Standard_False; |
195 | //merge edges and drop seams |
196 | Standard_Integer i; |
197 | for (i = 1; i <= edges.Length(); i++) { |
198 | TopoDS_Shape current = edges(i); |
199 | if(aNewEdges.Contains(current)) { |
200 | |
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201 | aNewEdges.RemoveKey(current); |
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202 | edges.Remove(i); |
203 | i--; |
204 | |
205 | if(!isDropped) { |
206 | isDropped = Standard_True; |
207 | anIndex = i; |
208 | } |
209 | } |
210 | } |
211 | |
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212 | //add edges to the sequence |
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213 | for (i = 1; i <= aNewEdges.Extent(); i++) |
214 | edges.Append(aNewEdges(i)); |
215 | |
216 | return isDropped; |
217 | } |
218 | |
219 | //======================================================================= |
220 | //function : getCylinder |
221 | //purpose : auxilary |
222 | //======================================================================= |
223 | static Standard_Boolean getCylinder(Handle(Geom_Surface)& theInSurface, |
224 | gp_Cylinder& theOutCylinder) |
225 | { |
226 | Standard_Boolean isCylinder = Standard_False; |
227 | |
228 | if (theInSurface->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))) { |
229 | Handle(Geom_CylindricalSurface) aGC = Handle(Geom_CylindricalSurface)::DownCast(theInSurface); |
230 | |
231 | theOutCylinder = aGC->Cylinder(); |
232 | isCylinder = Standard_True; |
233 | } |
234 | else if (theInSurface->IsKind(STANDARD_TYPE(Geom_SurfaceOfRevolution))) { |
235 | Handle(Geom_SurfaceOfRevolution) aRS = |
236 | Handle(Geom_SurfaceOfRevolution)::DownCast(theInSurface); |
237 | Handle(Geom_Curve) aBasis = aRS->BasisCurve(); |
238 | if (aBasis->IsKind(STANDARD_TYPE(Geom_Line))) { |
239 | Handle(Geom_Line) aBasisLine = Handle(Geom_Line)::DownCast(aBasis); |
240 | gp_Dir aDir = aRS->Direction(); |
241 | gp_Dir aBasisDir = aBasisLine->Position().Direction(); |
242 | if (aBasisDir.IsParallel(aDir, Precision::Angular())) { |
243 | // basis line is parallel to the revolution axis: it is a cylinder |
244 | gp_Pnt aLoc = aRS->Location(); |
245 | Standard_Real aR = aBasisLine->Lin().Distance(aLoc); |
246 | gp_Ax3 aCylAx (aLoc, aDir); |
247 | |
248 | theOutCylinder = gp_Cylinder(aCylAx, aR); |
249 | isCylinder = Standard_True; |
250 | } |
251 | } |
252 | } |
253 | else if (theInSurface->IsKind(STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion))) { |
254 | Handle(Geom_SurfaceOfLinearExtrusion) aLES = |
255 | Handle(Geom_SurfaceOfLinearExtrusion)::DownCast(theInSurface); |
256 | Handle(Geom_Curve) aBasis = aLES->BasisCurve(); |
257 | if (aBasis->IsKind(STANDARD_TYPE(Geom_Circle))) { |
258 | Handle(Geom_Circle) aBasisCircle = Handle(Geom_Circle)::DownCast(aBasis); |
259 | gp_Dir aDir = aLES->Direction(); |
260 | gp_Dir aBasisDir = aBasisCircle->Position().Direction(); |
261 | if (aBasisDir.IsParallel(aDir, Precision::Angular())) { |
262 | // basis circle is normal to the extrusion axis: it is a cylinder |
263 | gp_Pnt aLoc = aBasisCircle->Location(); |
264 | Standard_Real aR = aBasisCircle->Radius(); |
265 | gp_Ax3 aCylAx (aLoc, aDir); |
266 | |
267 | theOutCylinder = gp_Cylinder(aCylAx, aR); |
268 | isCylinder = Standard_True; |
269 | } |
270 | } |
271 | } |
272 | else { |
273 | } |
274 | |
275 | return isCylinder; |
276 | } |
277 | |
278 | //======================================================================= |
279 | //function : ClearRts |
280 | //purpose : auxilary |
281 | //======================================================================= |
282 | static Handle(Geom_Surface) ClearRts(const Handle(Geom_Surface)& aSurface) |
283 | { |
284 | if(aSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) { |
285 | Handle(Geom_RectangularTrimmedSurface) rts = |
286 | Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface); |
287 | return rts->BasisSurface(); |
288 | } |
289 | return aSurface; |
290 | } |
291 | |
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292 | //======================================================================= |
293 | //function : GetNormalToSurface |
294 | //purpose : Gets the normal to surface by the given parameter on edge. |
295 | // Returns True if normal was computed. |
296 | //======================================================================= |
297 | static Standard_Boolean GetNormalToSurface(const TopoDS_Face& theFace, |
298 | const TopoDS_Edge& theEdge, |
299 | const Standard_Real theP, |
300 | gp_Dir& theNormal) |
301 | { |
302 | Standard_Real f, l; |
303 | // get 2d curve to get point in 2d |
304 | const Handle(Geom2d_Curve)& aC2d = BRep_Tool::CurveOnSurface(theEdge, theFace, f, l); |
305 | if (aC2d.IsNull()) { |
306 | return Standard_False; |
307 | } |
308 | // |
309 | // 2d point |
310 | gp_Pnt2d aP2d; |
311 | aC2d->D0(theP, aP2d); |
312 | // |
313 | // get D1 |
314 | gp_Vec aDU, aDV; |
315 | gp_Pnt aP3d; |
316 | TopLoc_Location aLoc; |
317 | const Handle(Geom_Surface)& aS = BRep_Tool::Surface(theFace, aLoc); |
318 | aS->D1(aP2d.X(), aP2d.Y(), aP3d, aDU, aDV); |
319 | // |
320 | // compute normal |
321 | gp_Vec aVNormal = aDU.Crossed(aDV); |
322 | if (aVNormal.Magnitude() < Precision::Confusion()) { |
323 | return Standard_False; |
324 | } |
325 | // |
326 | if (theFace.Orientation() == TopAbs_REVERSED) { |
327 | aVNormal.Reverse(); |
328 | } |
329 | // |
330 | aVNormal.Transform(aLoc.Transformation()); |
331 | theNormal = gp_Dir(aVNormal); |
332 | return Standard_True; |
333 | } |
334 | |
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335 | //======================================================================= |
336 | //function : IsSameDomain |
337 | //purpose : |
338 | //======================================================================= |
339 | static Standard_Boolean IsSameDomain(const TopoDS_Face& aFace, |
2ba9eb30 |
340 | const TopoDS_Face& aCheckedFace, |
341 | const Standard_Real theLinTol, |
342 | const Standard_Real theAngTol) |
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343 | { |
344 | //checking the same handles |
345 | TopLoc_Location L1, L2; |
346 | Handle(Geom_Surface) S1, S2; |
347 | |
348 | S1 = BRep_Tool::Surface(aFace,L1); |
349 | S2 = BRep_Tool::Surface(aCheckedFace,L2); |
350 | |
351 | if (S1 == S2 && L1 == L2) |
352 | return Standard_True; |
353 | |
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354 | S1 = BRep_Tool::Surface(aFace); |
355 | S2 = BRep_Tool::Surface(aCheckedFace); |
356 | |
357 | S1 = ClearRts(S1); |
358 | S2 = ClearRts(S2); |
359 | |
360 | //Handle(Geom_OffsetSurface) aGOFS1, aGOFS2; |
361 | //aGOFS1 = Handle(Geom_OffsetSurface)::DownCast(S1); |
362 | //aGOFS2 = Handle(Geom_OffsetSurface)::DownCast(S2); |
363 | //if (!aGOFS1.IsNull()) S1 = aGOFS1->BasisSurface(); |
364 | //if (!aGOFS2.IsNull()) S2 = aGOFS2->BasisSurface(); |
365 | |
2ba9eb30 |
366 | // case of two planar surfaces: |
367 | // all kinds of surfaces checked, including b-spline and bezier |
368 | GeomLib_IsPlanarSurface aPlanarityChecker1(S1, theLinTol); |
369 | if (aPlanarityChecker1.IsPlanar()) { |
370 | GeomLib_IsPlanarSurface aPlanarityChecker2(S2, theLinTol); |
371 | if (aPlanarityChecker2.IsPlanar()) { |
372 | gp_Pln aPln1 = aPlanarityChecker1.Plan(); |
373 | gp_Pln aPln2 = aPlanarityChecker2.Plan(); |
374 | |
375 | if (aPln1.Position().Direction().IsParallel(aPln2.Position().Direction(), theAngTol) && |
376 | aPln1.Distance(aPln2) < theLinTol) { |
377 | return Standard_True; |
378 | } |
379 | } |
380 | } |
381 | |
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382 | // case of two elementary surfaces: use OCCT tool |
383 | // elementary surfaces: ConicalSurface, CylindricalSurface, |
384 | // Plane, SphericalSurface and ToroidalSurface |
385 | if (S1->IsKind(STANDARD_TYPE(Geom_ElementarySurface)) && |
386 | S2->IsKind(STANDARD_TYPE(Geom_ElementarySurface))) |
387 | { |
388 | Handle(GeomAdaptor_HSurface) aGA1 = new GeomAdaptor_HSurface(S1); |
389 | Handle(GeomAdaptor_HSurface) aGA2 = new GeomAdaptor_HSurface(S2); |
390 | |
391 | Handle(BRepTopAdaptor_TopolTool) aTT1 = new BRepTopAdaptor_TopolTool(); |
392 | Handle(BRepTopAdaptor_TopolTool) aTT2 = new BRepTopAdaptor_TopolTool(); |
393 | |
394 | try { |
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395 | IntPatch_ImpImpIntersection anIIInt(aGA1, aTT1, aGA2, aTT2, theLinTol, theLinTol); |
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396 | if (!anIIInt.IsDone() || anIIInt.IsEmpty()) |
397 | return Standard_False; |
398 | |
399 | return anIIInt.TangentFaces(); |
400 | } |
401 | catch (Standard_Failure) { |
402 | return Standard_False; |
403 | } |
404 | } |
405 | |
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406 | // case of two cylindrical surfaces, at least one of which is a swept surface |
407 | // swept surfaces: SurfaceOfLinearExtrusion, SurfaceOfRevolution |
408 | if ((S1->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)) || |
409 | S1->IsKind(STANDARD_TYPE(Geom_SweptSurface))) && |
410 | (S2->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)) || |
411 | S2->IsKind(STANDARD_TYPE(Geom_SweptSurface)))) |
412 | { |
413 | gp_Cylinder aCyl1, aCyl2; |
414 | if (getCylinder(S1, aCyl1) && getCylinder(S2, aCyl2)) { |
2ba9eb30 |
415 | if (fabs(aCyl1.Radius() - aCyl2.Radius()) < theLinTol) { |
2277323d |
416 | gp_Dir aDir1 = aCyl1.Position().Direction(); |
417 | gp_Dir aDir2 = aCyl2.Position().Direction(); |
418 | if (aDir1.IsParallel(aDir2, Precision::Angular())) { |
419 | gp_Pnt aLoc1 = aCyl1.Location(); |
420 | gp_Pnt aLoc2 = aCyl2.Location(); |
421 | gp_Vec aVec12 (aLoc1, aLoc2); |
2ba9eb30 |
422 | if (aVec12.SquareMagnitude() < theLinTol*theLinTol || |
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423 | aVec12.IsParallel(aDir1, Precision::Angular())) { |
424 | return Standard_True; |
425 | } |
426 | } |
427 | } |
428 | } |
429 | } |
430 | |
431 | return Standard_False; |
432 | } |
433 | |
632175c3 |
434 | //======================================================================= |
435 | //function : UpdateMapEdgeFaces |
436 | //purpose : |
437 | //======================================================================= |
438 | static void UpdateMapEdgeFaces(const TopoDS_Face& theFace, |
439 | Handle(ShapeBuild_ReShape)& theContext, |
440 | TopTools_IndexedDataMapOfShapeListOfShape& theMapEdgeFaces) |
441 | { |
442 | for (TopExp_Explorer anExp(theFace, TopAbs_EDGE); anExp.More(); anExp.Next()) { |
443 | TopoDS_Edge anEdge = TopoDS::Edge(anExp.Current()); |
444 | TopoDS_Edge aContextEdge = TopoDS::Edge(theContext->Apply(anEdge)); |
445 | if (aContextEdge == anEdge) |
446 | continue; |
447 | Standard_Integer anIndex = theMapEdgeFaces.FindIndex(aContextEdge); |
448 | if (anIndex == 0) |
449 | theMapEdgeFaces.Add(aContextEdge, |
450 | theMapEdgeFaces.FindFromKey(anEdge)); |
451 | else |
452 | theMapEdgeFaces.ChangeFromIndex(anIndex).Append(theFace); |
453 | } |
454 | } |
455 | |
456 | //======================================================================= |
457 | //function : UpdateMapOfShapes |
458 | //purpose : |
459 | //======================================================================= |
460 | static void UpdateMapOfShapes(TopTools_MapOfShape& theMapOfShapes, |
461 | Handle(ShapeBuild_ReShape)& theContext) |
462 | { |
463 | for (TopTools_MapIteratorOfMapOfShape it(theMapOfShapes); it.More(); it.Next()) { |
464 | const TopoDS_Shape& aShape = it.Value(); |
465 | TopoDS_Shape aContextShape = theContext->Apply(aShape); |
466 | if (!aContextShape.IsSame(aShape)) |
467 | theMapOfShapes.Add(aContextShape); |
468 | } |
469 | } |
470 | |
2277323d |
471 | //======================================================================= |
472 | //function : MovePCurves |
473 | //purpose : |
474 | //======================================================================= |
475 | static void MovePCurves(TopoDS_Face& aTarget, |
632175c3 |
476 | const TopoDS_Face& aSource, |
477 | Standard_Boolean isSafeInputMode, |
478 | Handle(ShapeBuild_ReShape)& theContext) |
2277323d |
479 | { |
480 | BRep_Builder B; |
481 | for(TopExp_Explorer wexp(aSource,TopAbs_WIRE);wexp.More();wexp.Next()) { |
482 | Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire(TopoDS::Wire(wexp.Current()), |
483 | aTarget, Precision::Confusion()); |
632175c3 |
484 | if (isSafeInputMode) |
485 | sfw->SetContext(theContext); |
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486 | sfw->FixReorder(); |
487 | Standard_Boolean isReoredFailed = sfw->StatusReorder ( ShapeExtend_FAIL ); |
488 | sfw->FixEdgeCurves(); |
489 | if(isReoredFailed) |
490 | continue; |
491 | |
492 | sfw->FixShifted(); |
493 | sfw->FixDegenerated(); |
494 | |
495 | // remove degenerated edges from not degenerated points |
496 | ShapeAnalysis_Edge sae; |
497 | Handle(ShapeExtend_WireData) sewd = sfw->WireData(); |
498 | for(Standard_Integer i = 1; i<=sewd->NbEdges();i++) { |
499 | TopoDS_Edge E = sewd->Edge(i); |
500 | if(BRep_Tool::Degenerated(E)&&!sae.HasPCurve(E,aTarget)) { |
501 | sewd->Remove(i); |
502 | i--; |
503 | } |
504 | } |
505 | |
506 | TopoDS_Wire ResWire = sfw->Wire(); |
507 | B.Add(aTarget,ResWire); |
508 | } |
509 | } |
510 | |
511 | //======================================================================= |
512 | //function : GlueEdgesWithPCurves |
513 | //purpose : Glues the pcurves of the sequence of edges |
514 | // and glues their 3d curves |
515 | //======================================================================= |
516 | static TopoDS_Edge GlueEdgesWithPCurves(const TopTools_SequenceOfShape& aChain, |
517 | const TopoDS_Vertex& FirstVertex, |
518 | const TopoDS_Vertex& LastVertex) |
519 | { |
520 | Standard_Integer i, j; |
521 | |
522 | TopoDS_Edge FirstEdge = TopoDS::Edge(aChain(1)); |
523 | //TColGeom2d_SequenceOfCurve PCurveSeq; |
524 | TColGeom_SequenceOfSurface SurfSeq; |
525 | //TopTools_SequenceOfShape LocSeq; |
526 | |
527 | BRep_ListIteratorOfListOfCurveRepresentation itr( (Handle(BRep_TEdge)::DownCast(FirstEdge.TShape()))->Curves() ); |
528 | for (; itr.More(); itr.Next()) |
529 | { |
530 | Handle(BRep_CurveRepresentation) CurveRep = itr.Value(); |
531 | if (CurveRep->IsCurveOnSurface()) |
532 | { |
533 | //PCurveSeq.Append(CurveRep->PCurve()); |
534 | SurfSeq.Append(CurveRep->Surface()); |
535 | /* |
536 | TopoDS_Shape aLocShape; |
537 | aLocShape.Location(CurveRep->Location()); |
538 | LocSeq.Append(aLocShape); |
539 | */ |
540 | } |
541 | } |
542 | |
543 | Standard_Real fpar, lpar; |
544 | BRep_Tool::Range(FirstEdge, fpar, lpar); |
545 | TopoDS_Edge PrevEdge = FirstEdge; |
546 | TopoDS_Vertex CV; |
547 | Standard_Real MaxTol = 0.; |
548 | |
549 | TopoDS_Edge ResEdge; |
550 | BRep_Builder BB; |
551 | |
552 | Standard_Integer nb_curve = aChain.Length(); //number of curves |
553 | TColGeom_Array1OfBSplineCurve tab_c3d(0,nb_curve-1); //array of the curves |
554 | TColStd_Array1OfReal tabtolvertex(0,nb_curve-1); //(0,nb_curve-2); //array of the tolerances |
555 | |
556 | TopoDS_Vertex PrevVertex = FirstVertex; |
557 | for (i = 1; i <= nb_curve; i++) |
558 | { |
559 | TopoDS_Edge anEdge = TopoDS::Edge(aChain(i)); |
560 | TopoDS_Vertex VF, VL; |
561 | TopExp::Vertices(anEdge, VF, VL); |
562 | Standard_Boolean ToReverse = (!VF.IsSame(PrevVertex)); |
563 | |
564 | Standard_Real Tol1 = BRep_Tool::Tolerance(VF); |
565 | Standard_Real Tol2 = BRep_Tool::Tolerance(VL); |
566 | if (Tol1 > MaxTol) |
567 | MaxTol = Tol1; |
568 | if (Tol2 > MaxTol) |
569 | MaxTol = Tol2; |
570 | |
571 | if (i > 1) |
572 | { |
573 | TopExp::CommonVertex(PrevEdge, anEdge, CV); |
574 | Standard_Real Tol = BRep_Tool::Tolerance(CV); |
575 | tabtolvertex(i-2) = Tol; |
576 | } |
577 | |
578 | Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, fpar, lpar); |
579 | Handle(Geom_TrimmedCurve) aTrCurve = new Geom_TrimmedCurve(aCurve, fpar, lpar); |
580 | tab_c3d(i-1) = GeomConvert::CurveToBSplineCurve(aTrCurve); |
581 | GeomConvert::C0BSplineToC1BSplineCurve(tab_c3d(i-1), Precision::Confusion()); |
582 | if (ToReverse) |
583 | tab_c3d(i-1)->Reverse(); |
584 | PrevVertex = (ToReverse)? VF : VL; |
585 | PrevEdge = anEdge; |
586 | } |
587 | Handle(TColGeom_HArray1OfBSplineCurve) concatcurve; //array of the concatenated curves |
588 | Handle(TColStd_HArray1OfInteger) ArrayOfIndices; //array of the remining Vertex |
589 | GeomConvert::ConcatC1(tab_c3d, |
590 | tabtolvertex, |
591 | ArrayOfIndices, |
592 | concatcurve, |
593 | Standard_False, |
594 | Precision::Confusion()); //C1 concatenation |
595 | |
596 | if (concatcurve->Length() > 1) |
597 | { |
598 | GeomConvert_CompCurveToBSplineCurve Concat(concatcurve->Value(concatcurve->Lower())); |
599 | |
600 | for (i = concatcurve->Lower()+1; i <= concatcurve->Upper(); i++) |
601 | Concat.Add( concatcurve->Value(i), MaxTol, Standard_True ); |
602 | |
603 | concatcurve->SetValue(concatcurve->Lower(), Concat.BSplineCurve()); |
604 | } |
605 | Handle(Geom_BSplineCurve) ResCurve = concatcurve->Value(concatcurve->Lower()); |
606 | |
607 | TColGeom2d_SequenceOfBoundedCurve ResPCurves; |
608 | TopLoc_Location aLoc; |
609 | for (j = 1; j <= SurfSeq.Length(); j++) |
610 | { |
611 | TColGeom2d_Array1OfBSplineCurve tab_c2d(0,nb_curve-1); //array of the pcurves |
612 | |
613 | PrevVertex = FirstVertex; |
614 | PrevEdge = FirstEdge; |
615 | //TopLoc_Location theLoc = LocSeq(j).Location(); |
616 | for (i = 1; i <= nb_curve; i++) |
617 | { |
618 | TopoDS_Edge anEdge = TopoDS::Edge(aChain(i)); |
619 | TopoDS_Vertex VF, VL; |
620 | TopExp::Vertices(anEdge, VF, VL); |
621 | Standard_Boolean ToReverse = (!VF.IsSame(PrevVertex)); |
622 | |
623 | /* |
624 | Handle(Geom2d_Curve) aPCurve = |
625 | BRep_Tool::CurveOnSurface(anEdge, SurfSeq(j), anEdge.Location()*theLoc, fpar, lpar); |
626 | */ |
627 | Handle(Geom2d_Curve) aPCurve = |
628 | BRep_Tool::CurveOnSurface(anEdge, SurfSeq(j), aLoc, fpar, lpar); |
629 | Handle(Geom2d_TrimmedCurve) aTrPCurve = new Geom2d_TrimmedCurve(aPCurve, fpar, lpar); |
630 | tab_c2d(i-1) = Geom2dConvert::CurveToBSplineCurve(aTrPCurve); |
631 | Geom2dConvert::C0BSplineToC1BSplineCurve(tab_c2d(i-1), Precision::Confusion()); |
632 | if (ToReverse) |
633 | tab_c2d(i-1)->Reverse(); |
634 | PrevVertex = (ToReverse)? VF : VL; |
635 | PrevEdge = anEdge; |
636 | } |
637 | Handle(TColGeom2d_HArray1OfBSplineCurve) concatc2d; //array of the concatenated curves |
638 | Handle(TColStd_HArray1OfInteger) ArrayOfInd2d; //array of the remining Vertex |
639 | Geom2dConvert::ConcatC1(tab_c2d, |
640 | tabtolvertex, |
641 | ArrayOfInd2d, |
642 | concatc2d, |
643 | Standard_False, |
644 | Precision::Confusion()); //C1 concatenation |
645 | |
646 | if (concatc2d->Length() > 1) |
647 | { |
648 | Geom2dConvert_CompCurveToBSplineCurve Concat2d(concatc2d->Value(concatc2d->Lower())); |
649 | |
650 | for (i = concatc2d->Lower()+1; i <= concatc2d->Upper(); i++) |
651 | Concat2d.Add( concatc2d->Value(i), MaxTol, Standard_True ); |
652 | |
653 | concatc2d->SetValue(concatc2d->Lower(), Concat2d.BSplineCurve()); |
654 | } |
655 | Handle(Geom2d_BSplineCurve) aResPCurve = concatc2d->Value(concatc2d->Lower()); |
656 | ResPCurves.Append(aResPCurve); |
657 | } |
658 | |
659 | ResEdge = BRepLib_MakeEdge(ResCurve, |
660 | FirstVertex, LastVertex, |
661 | ResCurve->FirstParameter(), ResCurve->LastParameter()); |
662 | BB.SameRange(ResEdge, Standard_False); |
663 | BB.SameParameter(ResEdge, Standard_False); |
664 | for (j = 1; j <= ResPCurves.Length(); j++) |
665 | { |
666 | BB.UpdateEdge(ResEdge, ResPCurves(j), SurfSeq(j), aLoc, MaxTol); |
667 | BB.Range(ResEdge, SurfSeq(j), aLoc, ResPCurves(j)->FirstParameter(), ResPCurves(j)->LastParameter()); |
668 | } |
669 | |
670 | BRepLib::SameParameter(ResEdge, MaxTol, Standard_True); |
671 | |
672 | return ResEdge; |
673 | } |
674 | |
cef6867c |
675 | //======================================================================= |
676 | //function : MergeSubSeq |
677 | //purpose : Merges a sequence of edges into one edge if possible |
678 | //======================================================================= |
679 | |
632175c3 |
680 | static Standard_Boolean MergeSubSeq(const TopTools_SequenceOfShape& aChain, |
681 | TopoDS_Edge& OutEdge, |
682 | double theAngTol, |
683 | Standard_Boolean ConcatBSplines, |
684 | Standard_Boolean isSafeInputMode, |
685 | Handle(ShapeBuild_ReShape)& theContext) |
2277323d |
686 | { |
2277323d |
687 | ShapeAnalysis_Edge sae; |
f7d70540 |
688 | BRep_Builder B; |
2277323d |
689 | // union edges in chain |
f7d70540 |
690 | int j; |
2277323d |
691 | Standard_Real fp1,lp1,fp2,lp2; |
f7d70540 |
692 | Standard_Boolean IsUnionOfLinesPossible = Standard_True; |
693 | Standard_Boolean IsUnionOfCirclesPossible = Standard_True; |
694 | Handle(Geom_Curve) c3d1, c3d2; |
695 | for(j=1; j<aChain.Length(); j++) |
696 | { |
2277323d |
697 | TopoDS_Edge edge1 = TopoDS::Edge(aChain.Value(j)); |
f7d70540 |
698 | c3d1 = BRep_Tool::Curve(edge1,fp1,lp1); |
699 | |
700 | TopoDS_Edge edge2 = TopoDS::Edge(aChain.Value(j+1)); |
701 | c3d2 = BRep_Tool::Curve(edge2,fp2,lp2); |
702 | |
703 | if(c3d1.IsNull() || c3d2.IsNull()) |
704 | return Standard_False; |
b4d4dbe8 |
705 | |
2277323d |
706 | while(c3d1->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) { |
707 | Handle(Geom_TrimmedCurve) tc = |
708 | Handle(Geom_TrimmedCurve)::DownCast(c3d1); |
709 | c3d1 = tc->BasisCurve(); |
710 | } |
2277323d |
711 | while(c3d2->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) { |
712 | Handle(Geom_TrimmedCurve) tc = |
713 | Handle(Geom_TrimmedCurve)::DownCast(c3d2); |
714 | c3d2 = tc->BasisCurve(); |
715 | } |
716 | if( c3d1->IsKind(STANDARD_TYPE(Geom_Line)) && c3d2->IsKind(STANDARD_TYPE(Geom_Line)) ) { |
2277323d |
717 | Handle(Geom_Line) L1 = Handle(Geom_Line)::DownCast(c3d1); |
718 | Handle(Geom_Line) L2 = Handle(Geom_Line)::DownCast(c3d2); |
719 | gp_Dir Dir1 = L1->Position().Direction(); |
720 | gp_Dir Dir2 = L2->Position().Direction(); |
632175c3 |
721 | if(!Dir1.IsParallel(Dir2,theAngTol)) |
f7d70540 |
722 | IsUnionOfLinesPossible = Standard_False; |
2277323d |
723 | } |
f7d70540 |
724 | else |
725 | IsUnionOfLinesPossible = Standard_False; |
2277323d |
726 | if( c3d1->IsKind(STANDARD_TYPE(Geom_Circle)) && c3d2->IsKind(STANDARD_TYPE(Geom_Circle)) ) { |
2277323d |
727 | Handle(Geom_Circle) C1 = Handle(Geom_Circle)::DownCast(c3d1); |
728 | Handle(Geom_Circle) C2 = Handle(Geom_Circle)::DownCast(c3d2); |
729 | gp_Pnt P01 = C1->Location(); |
730 | gp_Pnt P02 = C2->Location(); |
b4d4dbe8 |
731 | if (P01.Distance(P02) > Precision::Confusion()) |
f7d70540 |
732 | IsUnionOfCirclesPossible = Standard_False; |
733 | } |
734 | else |
735 | IsUnionOfCirclesPossible = Standard_False; |
736 | } |
737 | if (IsUnionOfLinesPossible && IsUnionOfCirclesPossible) |
738 | return Standard_False; |
739 | |
740 | //union of lines is possible |
741 | if (IsUnionOfLinesPossible) |
742 | { |
632175c3 |
743 | TopoDS_Vertex V[2]; |
744 | V[0] = sae.FirstVertex(TopoDS::Edge(aChain.First())); |
745 | gp_Pnt PV1 = BRep_Tool::Pnt(V[0]); |
746 | V[1] = sae.LastVertex(TopoDS::Edge(aChain.Last())); |
747 | gp_Pnt PV2 = BRep_Tool::Pnt(V[1]); |
f7d70540 |
748 | gp_Vec Vec(PV1, PV2); |
632175c3 |
749 | if (isSafeInputMode) { |
750 | for (int k = 0; k < 2; k++) { |
751 | if (!theContext->IsRecorded(V[k])) { |
752 | TopoDS_Vertex Vcopy = TopoDS::Vertex(V[k].EmptyCopied()); |
753 | theContext->Replace(V[k], Vcopy); |
754 | V[k] = Vcopy; |
755 | } |
756 | else |
757 | V[k] = TopoDS::Vertex(theContext->Apply(V[k])); |
758 | } |
759 | } |
f7d70540 |
760 | Handle(Geom_Line) L = new Geom_Line(gp_Ax1(PV1,Vec)); |
761 | Standard_Real dist = PV1.Distance(PV2); |
762 | Handle(Geom_TrimmedCurve) tc = new Geom_TrimmedCurve(L,0.0,dist); |
763 | TopoDS_Edge E; |
764 | B.MakeEdge (E, tc ,Precision::Confusion()); |
632175c3 |
765 | B.Add (E,V[0]); B.Add (E,V[1]); |
766 | B.UpdateVertex(V[0], 0., E, 0.); |
767 | B.UpdateVertex(V[1], dist, E, 0.); |
f7d70540 |
768 | OutEdge = E; |
769 | return Standard_True; |
770 | } |
771 | |
772 | if (IsUnionOfCirclesPossible) |
773 | { |
774 | double f,l; |
775 | TopoDS_Edge FE = TopoDS::Edge(aChain.First()); |
776 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(FE,f,l); |
777 | |
778 | while(c3d->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) { |
779 | Handle(Geom_TrimmedCurve) tc = |
780 | Handle(Geom_TrimmedCurve)::DownCast(c3d); |
781 | c3d = tc->BasisCurve(); |
782 | } |
783 | Handle(Geom_Circle) Cir = Handle(Geom_Circle)::DownCast(c3d); |
784 | |
632175c3 |
785 | TopoDS_Vertex V[2]; |
786 | V[0] = sae.FirstVertex(FE); |
787 | V[1] = sae.LastVertex(TopoDS::Edge(aChain.Last())); |
f7d70540 |
788 | TopoDS_Edge E; |
632175c3 |
789 | if (V[0].IsSame(V[1])) { |
f7d70540 |
790 | // closed chain |
dd2f1b75 |
791 | BRepAdaptor_Curve adef(FE); |
792 | Handle(Geom_Circle) Cir1; |
793 | double FP, LP; |
794 | if ( FE.Orientation() == TopAbs_FORWARD) |
795 | { |
796 | FP = adef.FirstParameter(); |
797 | LP = adef.LastParameter(); |
798 | } |
799 | else |
800 | { |
801 | FP = adef.LastParameter(); |
802 | LP = adef.FirstParameter(); |
803 | } |
804 | if (Abs(FP) < Precision::PConfusion()) |
805 | { |
f0144633 |
806 | B.MakeEdge (E,Cir, Precision::Confusion()); |
632175c3 |
807 | B.Add(E,V[0]); |
808 | B.Add(E,V[1]); |
f0144633 |
809 | E.Orientation(FE.Orientation()); |
810 | } |
dd2f1b75 |
811 | else |
812 | { |
813 | GC_MakeCircle MC1 (adef.Value(FP), adef.Value((FP + LP) * 0.5), adef.Value(LP)); |
814 | if (MC1.IsDone()) |
815 | Cir1 = MC1.Value(); |
816 | else |
817 | return Standard_False; |
818 | B.MakeEdge (E, Cir1, Precision::Confusion()); |
632175c3 |
819 | B.Add(E,V[0]); |
820 | B.Add(E,V[1]); |
dd2f1b75 |
821 | } |
f7d70540 |
822 | } |
823 | else { |
632175c3 |
824 | if (isSafeInputMode) { |
825 | for (int k = 0; k < 2; k++) { |
826 | if (!theContext->IsRecorded(V[k])) { |
827 | TopoDS_Vertex Vcopy = TopoDS::Vertex(V[k].EmptyCopied()); |
828 | theContext->Replace(V[k], Vcopy); |
829 | V[k] = Vcopy; |
830 | } |
831 | else |
832 | V[k] = TopoDS::Vertex(theContext->Apply(V[k])); |
833 | } |
834 | } |
835 | gp_Pnt PV1 = BRep_Tool::Pnt(V[0]); |
836 | gp_Pnt PV2 = BRep_Tool::Pnt(V[1]); |
dd2f1b75 |
837 | TopoDS_Vertex VM = sae.LastVertex(FE); |
838 | gp_Pnt PVM = BRep_Tool::Pnt(VM); |
839 | GC_MakeCircle MC (PV1,PVM,PV2); |
f7d70540 |
840 | Handle(Geom_Circle) C = MC.Value(); |
841 | gp_Pnt P0 = C->Location(); |
842 | gp_Dir D1(gp_Vec(P0,PV1)); |
843 | gp_Dir D2(gp_Vec(P0,PV2)); |
844 | Standard_Real fpar = C->XAxis().Direction().Angle(D1); |
845 | if(fabs(fpar)>Precision::Confusion()) { |
846 | // check orientation |
847 | gp_Dir ND = C->XAxis().Direction().Crossed(D1); |
848 | if(ND.IsOpposite(C->Axis().Direction(),Precision::Confusion())) { |
849 | fpar = -fpar; |
2277323d |
850 | } |
f7d70540 |
851 | } |
852 | Standard_Real lpar = C->XAxis().Direction().Angle(D2); |
853 | if(fabs(lpar)>Precision::Confusion()) { |
854 | // check orientation |
855 | gp_Dir ND = C->XAxis().Direction().Crossed(D2); |
856 | if(ND.IsOpposite(C->Axis().Direction(),Precision::Confusion())) { |
857 | lpar = -lpar; |
2277323d |
858 | } |
2277323d |
859 | } |
f7d70540 |
860 | if (lpar < fpar) lpar += 2*M_PI; |
861 | Handle(Geom_TrimmedCurve) tc = new Geom_TrimmedCurve(C,fpar,lpar); |
862 | B.MakeEdge (E,tc,Precision::Confusion()); |
632175c3 |
863 | B.Add(E,V[0]); |
864 | B.Add(E,V[1]); |
865 | B.UpdateVertex(V[0], fpar, E, 0.); |
866 | B.UpdateVertex(V[1], lpar, E, 0.); |
2277323d |
867 | } |
f7d70540 |
868 | OutEdge = E; |
869 | return Standard_True; |
2277323d |
870 | } |
871 | if (aChain.Length() > 1 && ConcatBSplines) { |
872 | // second step: union edges with various curves |
873 | // skl for bug 0020052 from Mantis: perform such unions |
874 | // only if curves are bspline or bezier |
f7d70540 |
875 | |
876 | TopoDS_Vertex VF = sae.FirstVertex(TopoDS::Edge(aChain.First())); |
877 | TopoDS_Vertex VL = sae.LastVertex(TopoDS::Edge(aChain.Last())); |
878 | Standard_Boolean NeedUnion = Standard_True; |
2277323d |
879 | for(j=1; j<=aChain.Length(); j++) { |
880 | TopoDS_Edge edge = TopoDS::Edge(aChain.Value(j)); |
b4d4dbe8 |
881 | TopLoc_Location Loc; |
2277323d |
882 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(edge,Loc,fp1,lp1); |
883 | if(c3d.IsNull()) continue; |
884 | while(c3d->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) { |
885 | Handle(Geom_TrimmedCurve) tc = |
886 | Handle(Geom_TrimmedCurve)::DownCast(c3d); |
887 | c3d = tc->BasisCurve(); |
888 | } |
889 | if( ( c3d->IsKind(STANDARD_TYPE(Geom_BSplineCurve)) || |
890 | c3d->IsKind(STANDARD_TYPE(Geom_BezierCurve)) ) ) continue; |
f7d70540 |
891 | NeedUnion = Standard_False; |
2277323d |
892 | break; |
893 | } |
894 | if(NeedUnion) { |
0797d9d3 |
895 | #ifdef OCCT_DEBUG |
2277323d |
896 | cout<<"can not make analitical union => make approximation"<<endl; |
897 | #endif |
898 | TopoDS_Edge E = GlueEdgesWithPCurves(aChain, VF, VL); |
f7d70540 |
899 | OutEdge = E; |
900 | return Standard_True; |
2277323d |
901 | } |
902 | else { |
0797d9d3 |
903 | #ifdef OCCT_DEBUG |
2277323d |
904 | cout<<"can not make approximation for such types of curves"<<endl; |
905 | #endif |
906 | return Standard_False; |
907 | } |
908 | } |
f7d70540 |
909 | return Standard_False; |
910 | } |
911 | |
cef6867c |
912 | //======================================================================= |
913 | //function : IsMergingPossible |
914 | //purpose : Checks if merging of two edges is possible |
915 | //======================================================================= |
916 | |
f7d70540 |
917 | static Standard_Boolean IsMergingPossible(const TopoDS_Edge& edge1, const TopoDS_Edge& edge2, |
632175c3 |
918 | double theAngTol, const TopTools_MapOfShape& AvoidEdgeVrt) |
f7d70540 |
919 | { |
920 | TopoDS_Vertex CV = TopExp::LastVertex(edge1, Standard_True); |
9ed6494b |
921 | if (CV.IsNull() || AvoidEdgeVrt.Contains(CV)) |
f7d70540 |
922 | return Standard_False; |
923 | |
924 | BRepAdaptor_Curve ade1(edge1); |
925 | BRepAdaptor_Curve ade2(edge2); |
926 | |
927 | GeomAbs_CurveType t1 = ade1.GetType(); |
928 | GeomAbs_CurveType t2 = ade2.GetType(); |
929 | |
930 | if( t1 == GeomAbs_Circle && t2 == GeomAbs_Circle) |
931 | { |
932 | if (ade1.Circle().Location().Distance(ade2.Circle().Location()) > Precision::Confusion()) |
933 | return Standard_False; |
934 | } |
935 | |
936 | if( ( (t1 != GeomAbs_BezierCurve && t1 != GeomAbs_BSplineCurve) || |
937 | (t2 != GeomAbs_BezierCurve && t2 != GeomAbs_BSplineCurve)) && t1 != t2) |
938 | return Standard_False; |
939 | |
940 | gp_Vec Diff1, Diff2; |
941 | gp_Pnt P1, P2; |
942 | if (edge1.Orientation() == TopAbs_FORWARD) |
943 | ade1.D1(ade1.LastParameter(), P1, Diff1); |
944 | else |
945 | { |
946 | ade1.D1(ade1.FirstParameter(), P1, Diff1); |
947 | Diff1 = -Diff1; |
948 | } |
949 | |
950 | if (edge2.Orientation() == TopAbs_FORWARD) |
951 | ade2.D1(ade2.FirstParameter(), P2, Diff2); |
952 | else |
953 | { |
954 | ade2.D1(ade2.LastParameter(), P2, Diff2); |
955 | Diff2 = -Diff2; |
956 | } |
957 | |
632175c3 |
958 | if (Diff1.Angle(Diff2) > theAngTol) |
f7d70540 |
959 | return Standard_False; |
960 | |
961 | return Standard_True; |
962 | } |
963 | |
cef6867c |
964 | //======================================================================= |
965 | //function : GenerateSubSeq |
966 | //purpose : Generates sub-sequences of edges from sequence of edges |
967 | //Edges from each subsequences can be merged into the one edge |
968 | //======================================================================= |
969 | |
f7d70540 |
970 | static void GenerateSubSeq (const TopTools_SequenceOfShape& anInpEdgeSeq, |
971 | NCollection_Sequence<SubSequenceOfEdges>& SeqOfSubSeqOfEdges, |
632175c3 |
972 | Standard_Boolean IsClosed, double theAngTol, const TopTools_MapOfShape& AvoidEdgeVrt) |
f7d70540 |
973 | { |
974 | Standard_Boolean isOk = Standard_False; |
975 | TopoDS_Edge edge1, edge2; |
976 | |
977 | SubSequenceOfEdges SubSeq; |
978 | SubSeq.SeqsEdges.Append(TopoDS::Edge(anInpEdgeSeq(1))); |
979 | SeqOfSubSeqOfEdges.Append(SubSeq); |
980 | |
981 | for (int i = 1; i < anInpEdgeSeq.Length(); i++) |
982 | { |
983 | edge1 = TopoDS::Edge(anInpEdgeSeq(i)); |
984 | edge2 = TopoDS::Edge(anInpEdgeSeq(i+1)); |
632175c3 |
985 | isOk = IsMergingPossible(edge1, edge2, theAngTol, AvoidEdgeVrt); |
f7d70540 |
986 | if (!isOk) |
987 | { |
51740958 |
988 | SubSequenceOfEdges aSubSeq; |
989 | aSubSeq.SeqsEdges.Append(edge2); |
990 | SeqOfSubSeqOfEdges.Append(aSubSeq); |
f7d70540 |
991 | } |
992 | else |
993 | SeqOfSubSeqOfEdges.ChangeLast().SeqsEdges.Append(edge2); |
994 | } |
995 | /// check first and last chain segments |
996 | if (IsClosed && SeqOfSubSeqOfEdges.Length() > 1) |
997 | { |
998 | edge1 = TopoDS::Edge(anInpEdgeSeq.Last()); |
999 | edge2 = TopoDS::Edge(anInpEdgeSeq.First()); |
632175c3 |
1000 | if (IsMergingPossible(edge1, edge2, theAngTol, AvoidEdgeVrt)) |
f7d70540 |
1001 | { |
1002 | SeqOfSubSeqOfEdges.ChangeLast().SeqsEdges.Append(SeqOfSubSeqOfEdges.ChangeFirst().SeqsEdges); |
1003 | SeqOfSubSeqOfEdges.Remove(1); |
1004 | } |
1005 | } |
1006 | } |
1007 | |
f7d70540 |
1008 | //======================================================================= |
1009 | //function : MergeEdges |
1010 | //purpose : auxilary |
1011 | //======================================================================= |
f98965d2 |
1012 | static Standard_Boolean MergeEdges(TopTools_SequenceOfShape& SeqEdges, |
632175c3 |
1013 | const Standard_Real theAngTol, |
f7d70540 |
1014 | const Standard_Boolean ConcatBSplines, |
632175c3 |
1015 | const Standard_Boolean isSafeInputMode, |
1016 | Handle(ShapeBuild_ReShape)& theContext, |
f7d70540 |
1017 | NCollection_Sequence<SubSequenceOfEdges>& SeqOfSubSeqOfEdges, |
9ed6494b |
1018 | const TopTools_MapOfShape& NonMergVrt) |
f7d70540 |
1019 | { |
f98965d2 |
1020 | // skip degenerated edges, and forbid merging through them |
1021 | TopTools_IndexedDataMapOfShapeListOfShape aMapVE; |
f7d70540 |
1022 | Standard_Integer j; |
1023 | TopTools_MapOfShape VerticesToAvoid; |
f7d70540 |
1024 | for (j = 1; j <= SeqEdges.Length(); j++) |
1025 | { |
1026 | TopoDS_Edge anEdge = TopoDS::Edge(SeqEdges(j)); |
1027 | if (BRep_Tool::Degenerated(anEdge)) |
1028 | { |
1029 | TopoDS_Vertex V1, V2; |
1030 | TopExp::Vertices(anEdge, V1, V2); |
1031 | VerticesToAvoid.Add(V1); |
1032 | VerticesToAvoid.Add(V2); |
f98965d2 |
1033 | SeqEdges.Remove(j--); |
1034 | } |
1035 | else |
1036 | { |
1037 | // fill in the map V-E |
1038 | for (TopoDS_Iterator it(anEdge.Oriented(TopAbs_FORWARD)); it.More(); it.Next()) |
1039 | { |
1040 | TopoDS_Shape aV = it.Value(); |
1041 | if (aV.Orientation() == TopAbs_FORWARD || aV.Orientation() == TopAbs_REVERSED) |
1042 | { |
1043 | if (!aMapVE.Contains(aV)) |
1044 | aMapVE.Add(aV, TopTools_ListOfShape()); |
1045 | aMapVE.ChangeFromKey(aV).Append(anEdge); |
38c2acd4 |
1046 | } |
f98965d2 |
1047 | } |
f7d70540 |
1048 | } |
f7d70540 |
1049 | } |
f98965d2 |
1050 | VerticesToAvoid.Unite(NonMergVrt); |
f7d70540 |
1051 | |
f98965d2 |
1052 | // do loop while there are unused edges |
1053 | TopTools_MapOfShape aUsedEdges; |
1054 | for (;;) |
1055 | { |
1056 | TopoDS_Edge edge; |
1057 | for(j=1; j <= SeqEdges.Length(); j++) |
1058 | { |
1059 | edge = TopoDS::Edge(SeqEdges.Value(j)); |
1060 | if (!aUsedEdges.Contains(edge)) |
1061 | break; |
1062 | } |
1063 | if (j > SeqEdges.Length()) |
1064 | break; // all edges have been used |
1065 | |
1066 | // make chain for unite |
1067 | TopTools_SequenceOfShape aChain; |
38c2acd4 |
1068 | aChain.Append(edge); |
f98965d2 |
1069 | aUsedEdges.Add(edge); |
1070 | TopoDS_Vertex V[2]; |
1071 | TopExp::Vertices(edge, V[0], V[1], Standard_True); |
1072 | |
1073 | // connect more edges to the chain in both directions |
1074 | for (j = 0; j < 2; j++) |
1075 | { |
1076 | Standard_Boolean isAdded = Standard_True; |
1077 | while (isAdded) |
1078 | { |
1079 | isAdded = Standard_False; |
1080 | if (V[j].IsNull()) |
1081 | break; |
1082 | const TopTools_ListOfShape& aLE = aMapVE.FindFromKey(V[j]); |
1083 | for (TopTools_ListIteratorOfListOfShape itL(aLE); itL.More(); itL.Next()) |
1084 | { |
1085 | edge = TopoDS::Edge(itL.Value()); |
1086 | if (!aUsedEdges.Contains(edge)) |
1087 | { |
38c2acd4 |
1088 | TopoDS_Vertex V2[2]; |
1089 | TopExp::Vertices(edge, V2[0], V2[1], Standard_True); |
1090 | // the neighboring edge must have V[j] reversed and located on the opposite end |
1091 | if (V2[1 - j].IsEqual(V[j].Reversed())) |
1092 | { |
1093 | if (j == 0) |
1094 | aChain.Prepend(edge); |
1095 | else |
1096 | aChain.Append(edge); |
1097 | aUsedEdges.Add(edge); |
1098 | V[j] = V2[j]; |
1099 | isAdded = Standard_True; |
1100 | break; |
1101 | } |
1102 | } |
1103 | } |
f7d70540 |
1104 | } |
1105 | } |
f7d70540 |
1106 | |
f98965d2 |
1107 | if (aChain.Length() < 2) |
1108 | continue; |
2277323d |
1109 | |
38c2acd4 |
1110 | Standard_Boolean IsClosed = Standard_False; |
f98965d2 |
1111 | if (V[0].IsSame ( V[1] )) |
38c2acd4 |
1112 | IsClosed = Standard_True; |
f98965d2 |
1113 | |
1114 | // split chain by vertices at which merging is not possible |
1115 | NCollection_Sequence<SubSequenceOfEdges> aOneSeq; |
632175c3 |
1116 | GenerateSubSeq(aChain, aOneSeq, IsClosed, theAngTol, VerticesToAvoid); |
f98965d2 |
1117 | |
1118 | // put sub-chains in the result |
1119 | SeqOfSubSeqOfEdges.Append(aOneSeq); |
1120 | } |
f7d70540 |
1121 | |
1122 | for (int i = 1; i <= SeqOfSubSeqOfEdges.Length(); i++) |
1123 | { |
1124 | TopoDS_Edge UE; |
1125 | if (SeqOfSubSeqOfEdges(i).SeqsEdges.Length() < 2) |
1126 | continue; |
632175c3 |
1127 | if (MergeSubSeq(SeqOfSubSeqOfEdges(i).SeqsEdges, UE, theAngTol, |
1128 | ConcatBSplines, isSafeInputMode, theContext)) |
f7d70540 |
1129 | SeqOfSubSeqOfEdges(i).UnionEdges = UE; |
1130 | } |
2277323d |
1131 | return Standard_True; |
1132 | } |
1133 | |
cef6867c |
1134 | //======================================================================= |
1135 | //function : MergeSeq |
1136 | //purpose : Tries to unify the sequence of edges with the set of another edges |
1137 | //which lies on the same geometry |
1138 | //======================================================================= |
1139 | |
f98965d2 |
1140 | static Standard_Boolean MergeSeq (TopTools_SequenceOfShape& SeqEdges, |
632175c3 |
1141 | const Standard_Real theAngTol, |
f7d70540 |
1142 | const Standard_Boolean ConcatBSplines, |
632175c3 |
1143 | const Standard_Boolean isSafeInputMode, |
f7d70540 |
1144 | Handle(ShapeBuild_ReShape)& theContext, |
f7d70540 |
1145 | const TopTools_MapOfShape& nonMergVert, |
654c48b2 |
1146 | TopTools_MapOfShape& theRemovedVertices) |
f7d70540 |
1147 | { |
1148 | NCollection_Sequence<SubSequenceOfEdges> SeqOfSubsSeqOfEdges; |
632175c3 |
1149 | if (MergeEdges(SeqEdges, theAngTol, ConcatBSplines, isSafeInputMode, |
1150 | theContext, SeqOfSubsSeqOfEdges, nonMergVert)) |
f7d70540 |
1151 | { |
1152 | for (Standard_Integer i = 1; i <= SeqOfSubsSeqOfEdges.Length(); i++ ) |
1153 | { |
1154 | if (SeqOfSubsSeqOfEdges(i).UnionEdges.IsNull()) |
1155 | continue; |
654c48b2 |
1156 | |
1157 | theContext->Merge(SeqOfSubsSeqOfEdges(i).SeqsEdges, |
1158 | SeqOfSubsSeqOfEdges(i).UnionEdges); |
1159 | |
20aa0d3f |
1160 | ShapeAnalysis_Edge sae; |
1161 | TopoDS_Vertex VF = sae.FirstVertex(SeqOfSubsSeqOfEdges(i).UnionEdges); |
1162 | TopoDS_Vertex VL = sae.LastVertex(SeqOfSubsSeqOfEdges(i).UnionEdges); |
1163 | for (Standard_Integer j = 1; j <= SeqOfSubsSeqOfEdges(i).SeqsEdges.Length(); j++) |
f7d70540 |
1164 | { |
2ba9eb30 |
1165 | const TopoDS_Shape& anOldEdge = SeqOfSubsSeqOfEdges(i).SeqsEdges(j); |
20aa0d3f |
1166 | TopoDS_Vertex V[2]; |
1167 | TopExp::Vertices(TopoDS::Edge(anOldEdge), V[0], V[1]); |
654c48b2 |
1168 | for (int k = 0; k < 2; k++) |
20aa0d3f |
1169 | { |
654c48b2 |
1170 | TopoDS_Vertex aV = V[k]; |
632175c3 |
1171 | if (isSafeInputMode) // vertex might be changed and replaced |
654c48b2 |
1172 | aV = TopoDS::Vertex(theContext->Apply(aV)); |
1173 | if (!aV.IsEqual(VF) && !aV.IsEqual(VL)) |
1174 | theRemovedVertices.Add(V[k]); |
20aa0d3f |
1175 | } |
f7d70540 |
1176 | } |
1177 | } |
1178 | return Standard_True; |
1179 | } |
1180 | else |
1181 | return Standard_False; |
1182 | } |
1183 | |
cef6867c |
1184 | //======================================================================= |
1185 | //function : CheckSharedVertices |
1186 | //purpose : Checks the sequence of edges on the presence of shared vertex |
1187 | //======================================================================= |
1188 | |
f7d70540 |
1189 | static void CheckSharedVertices(const TopTools_SequenceOfShape& theSeqEdges, |
1190 | const TopTools_IndexedDataMapOfShapeListOfShape& theMapEdgesVertex, |
9ed6494b |
1191 | const TopTools_MapOfShape& theMapKeepShape, |
f7d70540 |
1192 | TopTools_MapOfShape& theShareVertMap) |
1193 | { |
1194 | ShapeAnalysis_Edge sae; |
1195 | TopTools_SequenceOfShape SeqVertexes; |
1196 | TopTools_MapOfShape MapVertexes; |
1197 | for (Standard_Integer k = 1; k <= theSeqEdges.Length(); k++ ) |
1198 | { |
1199 | TopoDS_Vertex aV1 = sae.FirstVertex(TopoDS::Edge(theSeqEdges(k))); |
1200 | TopoDS_Vertex aV2 = sae.LastVertex(TopoDS::Edge(theSeqEdges(k))); |
1201 | if (!MapVertexes.Add(aV1)) |
1202 | SeqVertexes.Append(aV1); |
1203 | if (!MapVertexes.Add(aV2)) |
1204 | SeqVertexes.Append(aV2); |
1205 | } |
1206 | |
1207 | for (Standard_Integer k = 1; k <= SeqVertexes.Length()/* && !IsSharedVertexPresent*/; k++ ) |
1208 | { |
1209 | const TopTools_ListOfShape& ListEdgesV1 = theMapEdgesVertex.FindFromKey(SeqVertexes(k)); |
f1191d30 |
1210 | if (ListEdgesV1.Extent() > 2 || theMapKeepShape.Contains(SeqVertexes(k))) |
f7d70540 |
1211 | theShareVertMap.Add(SeqVertexes(k)); |
1212 | } |
1213 | //return theShareVertMap.IsEmpty() ? false : true; |
1214 | } |
1215 | |
2277323d |
1216 | //======================================================================= |
1217 | //function : ShapeUpgrade_UnifySameDomain |
1218 | //purpose : Constructor |
1219 | //======================================================================= |
1220 | |
1221 | ShapeUpgrade_UnifySameDomain::ShapeUpgrade_UnifySameDomain() |
2ba9eb30 |
1222 | : myLinTol(Precision::Confusion()), |
1223 | myAngTol(Precision::Angular()), |
1224 | myUnifyFaces(Standard_True), |
fe1a6e4e |
1225 | myUnifyEdges (Standard_True), |
1226 | myConcatBSplines (Standard_False), |
632175c3 |
1227 | myAllowInternal (Standard_False), |
654c48b2 |
1228 | mySafeInputMode(Standard_True), |
1229 | myHistory(new BRepTools_History) |
2277323d |
1230 | { |
2277323d |
1231 | myContext = new ShapeBuild_ReShape; |
1232 | } |
1233 | |
1234 | //======================================================================= |
1235 | //function : ShapeUpgrade_UnifySameDomain |
1236 | //purpose : Constructor |
1237 | //======================================================================= |
1238 | |
1239 | ShapeUpgrade_UnifySameDomain::ShapeUpgrade_UnifySameDomain(const TopoDS_Shape& aShape, |
1240 | const Standard_Boolean UnifyEdges, |
1241 | const Standard_Boolean UnifyFaces, |
1242 | const Standard_Boolean ConcatBSplines) |
fe1a6e4e |
1243 | : myInitShape (aShape), |
2ba9eb30 |
1244 | myLinTol(Precision::Confusion()), |
1245 | myAngTol(Precision::Angular()), |
1246 | myUnifyFaces(UnifyFaces), |
fe1a6e4e |
1247 | myUnifyEdges (UnifyEdges), |
1248 | myConcatBSplines (ConcatBSplines), |
1249 | myAllowInternal (Standard_False), |
632175c3 |
1250 | mySafeInputMode (Standard_True), |
654c48b2 |
1251 | myShape (aShape), |
1252 | myHistory(new BRepTools_History) |
2277323d |
1253 | { |
2277323d |
1254 | myContext = new ShapeBuild_ReShape; |
1255 | } |
1256 | |
1257 | //======================================================================= |
1258 | //function : Initialize |
1259 | //purpose : |
1260 | //======================================================================= |
1261 | |
1262 | void ShapeUpgrade_UnifySameDomain::Initialize(const TopoDS_Shape& aShape, |
1263 | const Standard_Boolean UnifyEdges, |
1264 | const Standard_Boolean UnifyFaces, |
1265 | const Standard_Boolean ConcatBSplines) |
1266 | { |
1267 | myInitShape = aShape; |
1268 | myShape = aShape; |
1269 | myUnifyEdges = UnifyEdges; |
1270 | myUnifyFaces = UnifyFaces; |
1271 | myConcatBSplines = ConcatBSplines; |
1272 | |
1273 | myContext->Clear(); |
654c48b2 |
1274 | myRemoved.Clear(); |
9ed6494b |
1275 | myKeepShapes.Clear(); |
fe1a6e4e |
1276 | } |
1277 | |
1278 | //======================================================================= |
1279 | //function : AllowInternalEdges |
1280 | //purpose : |
1281 | //======================================================================= |
1282 | |
1283 | void ShapeUpgrade_UnifySameDomain::AllowInternalEdges (const Standard_Boolean theValue) |
1284 | { |
1285 | myAllowInternal = theValue; |
2277323d |
1286 | } |
1287 | |
632175c3 |
1288 | //======================================================================= |
1289 | //function : SetSafeInputMode |
1290 | //purpose : |
1291 | //======================================================================= |
1292 | |
1293 | void ShapeUpgrade_UnifySameDomain::SetSafeInputMode(Standard_Boolean theValue) |
1294 | { |
1295 | mySafeInputMode = theValue; |
1296 | } |
1297 | |
9ed6494b |
1298 | //======================================================================= |
1299 | //function : KeepShape |
1300 | //purpose : |
1301 | //======================================================================= |
1302 | |
1303 | void ShapeUpgrade_UnifySameDomain::KeepShape(const TopoDS_Shape& theShape) |
1304 | { |
1305 | if (theShape.ShapeType() == TopAbs_EDGE || theShape.ShapeType() == TopAbs_VERTEX) |
1306 | myKeepShapes.Add(theShape); |
1307 | } |
1308 | |
1309 | //======================================================================= |
1310 | //function : KeepShapes |
1311 | //purpose : |
1312 | //======================================================================= |
1313 | |
1314 | void ShapeUpgrade_UnifySameDomain::KeepShapes(const TopTools_MapOfShape& theShapes) |
1315 | { |
1316 | for (TopTools_MapIteratorOfMapOfShape it(theShapes); it.More(); it.Next()) { |
1317 | if (it.Value().ShapeType() == TopAbs_EDGE || it.Value().ShapeType() == TopAbs_VERTEX) |
1318 | myKeepShapes.Add(it.Value()); |
1319 | } |
1320 | } |
1321 | |
6a0c0b14 |
1322 | //======================================================================= |
1323 | //function : putIntWires |
1324 | //purpose : Add internal wires that are classified inside the face as a subshape, |
1325 | // and remove them from the sequence |
1326 | //======================================================================= |
1327 | static void putIntWires(TopoDS_Shape& theFace, TopTools_SequenceOfShape& theWires) |
1328 | { |
1329 | TopoDS_Face& aFace = TopoDS::Face(theFace); |
1330 | for (Standard_Integer i=1; i <= theWires.Length(); i++) |
1331 | { |
1332 | TopoDS_Shape aWire = theWires(i); |
1333 | gp_Pnt2d aP2d; |
1334 | Standard_Boolean isP2d = Standard_False; |
1335 | for (TopoDS_Iterator it(aWire); it.More() && !isP2d; it.Next()) |
1336 | { |
1337 | const TopoDS_Edge& anEdge = TopoDS::Edge(it.Value()); |
1338 | Standard_Real aFirst, aLast; |
1339 | Handle(Geom2d_Curve) aC2d = BRep_Tool::CurveOnSurface(anEdge, aFace, aFirst, aLast); |
1340 | aC2d->D0((aFirst + aLast) * 0.5, aP2d); |
1341 | isP2d = Standard_True; |
1342 | } |
1343 | BRepClass_FaceClassifier aClass(aFace, aP2d, Precision::PConfusion()); |
1344 | if (aClass.State() == TopAbs_IN) |
1345 | { |
1346 | BRep_Builder().Add(aFace, aWire); |
1347 | theWires.Remove(i); |
1348 | i--; |
1349 | } |
1350 | } |
1351 | } |
1352 | |
2277323d |
1353 | //======================================================================= |
1354 | //function : UnifyFaces |
1355 | //purpose : |
1356 | //======================================================================= |
1357 | |
1358 | void ShapeUpgrade_UnifySameDomain::UnifyFaces() |
1359 | { |
fe1a6e4e |
1360 | // creating map of edge faces for the whole shape |
1361 | TopTools_IndexedDataMapOfShapeListOfShape aGMapEdgeFaces; |
1362 | TopExp::MapShapesAndAncestors(myShape, TopAbs_EDGE, TopAbs_FACE, aGMapEdgeFaces); |
56091b56 |
1363 | |
1364 | // unify faces in each shell separately |
2277323d |
1365 | TopExp_Explorer exps; |
56091b56 |
1366 | for (exps.Init(myShape, TopAbs_SHELL); exps.More(); exps.Next()) |
1367 | IntUnifyFaces(exps.Current(), aGMapEdgeFaces, Standard_False); |
1368 | |
1369 | // gather all faces out of shells in one compound and unify them at once |
1370 | BRep_Builder aBB; |
1371 | TopoDS_Compound aCmp; |
1372 | aBB.MakeCompound(aCmp); |
1373 | Standard_Integer nbf = 0; |
1374 | for (exps.Init(myShape, TopAbs_FACE, TopAbs_SHELL); exps.More(); exps.Next(), nbf++) |
1375 | aBB.Add(aCmp, exps.Current()); |
1376 | |
1377 | if (nbf > 0) |
1378 | IntUnifyFaces(aCmp, aGMapEdgeFaces, Standard_True); |
1379 | |
1380 | myShape = myContext->Apply(myShape); |
1381 | } |
2277323d |
1382 | |
632175c3 |
1383 | //======================================================================= |
1384 | //function : IntUnifyFaces |
1385 | //purpose : |
1386 | //======================================================================= |
2277323d |
1387 | |
56091b56 |
1388 | void ShapeUpgrade_UnifySameDomain::IntUnifyFaces(const TopoDS_Shape& theInpShape, |
632175c3 |
1389 | TopTools_IndexedDataMapOfShapeListOfShape& theGMapEdgeFaces, |
56091b56 |
1390 | Standard_Boolean IsCheckSharedEdgeOri) |
1391 | { |
1392 | // creating map of edge faces for the shape |
1393 | TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces; |
1394 | TopExp::MapShapesAndAncestors(theInpShape, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces); |
1395 | |
1396 | // map of processed shapes |
1397 | TopTools_MapOfShape aProcessed; |
1398 | |
1399 | Standard_Integer NbModif = 0; |
1400 | Standard_Boolean hasFailed = Standard_False; |
1401 | Standard_Real tol = Precision::Confusion(); |
1402 | |
1403 | // count faces |
1404 | Standard_Integer nbf = 0; |
1405 | TopExp_Explorer exp; |
1406 | TopTools_MapOfShape mapF; |
1407 | for (exp.Init(theInpShape, TopAbs_FACE); exp.More(); exp.Next()) { |
1408 | if (mapF.Add(exp.Current())) |
1409 | nbf++; |
1410 | } |
2277323d |
1411 | |
56091b56 |
1412 | // processing each face |
1413 | mapF.Clear(); |
1414 | for (exp.Init(theInpShape, TopAbs_FACE); exp.More(); exp.Next()) { |
10ce3246 |
1415 | const TopoDS_Face& aFaceOriginal = TopoDS::Face(exp.Current()); |
1416 | TopoDS_Face aFace = TopoDS::Face(aFaceOriginal.Oriented(TopAbs_FORWARD)); |
2277323d |
1417 | |
56091b56 |
1418 | if (aProcessed.Contains(aFace)) |
1419 | continue; |
2277323d |
1420 | |
56091b56 |
1421 | Standard_Integer dummy; |
1422 | TopTools_SequenceOfShape edges; |
1423 | AddOrdinaryEdges(edges,aFace,dummy); |
2277323d |
1424 | |
56091b56 |
1425 | TopTools_SequenceOfShape faces; |
1426 | faces.Append(aFace); |
1427 | |
1428 | //surface and location to construct result |
1429 | TopLoc_Location aBaseLocation; |
1430 | Handle(Geom_Surface) aBaseSurface = BRep_Tool::Surface(aFace,aBaseLocation); |
1431 | aBaseSurface = ClearRts(aBaseSurface); |
1432 | |
1433 | // find adjacent faces to union |
1434 | Standard_Integer i; |
1435 | for (i = 1; i <= edges.Length(); i++) { |
1436 | TopoDS_Edge edge = TopoDS::Edge(edges(i)); |
1437 | if (BRep_Tool::Degenerated(edge)) |
1438 | continue; |
2277323d |
1439 | |
56091b56 |
1440 | // get connectivity of the edge in the global shape |
1441 | const TopTools_ListOfShape& aGList = theGMapEdgeFaces.FindFromKey(edge); |
9ed6494b |
1442 | if (!myAllowInternal && (aGList.Extent() != 2 || myKeepShapes.Contains(edge))) { |
56091b56 |
1443 | // non mainfold case is not processed unless myAllowInternal |
1444 | continue; |
1445 | } |
10ce3246 |
1446 | // |
1447 | // get normal of the face to compare it with normals of other faces |
1448 | gp_Dir aDN1; |
1449 | // |
1450 | // take intermediate point on edge to compute the normal |
1451 | Standard_Real f, l; |
1452 | BRep_Tool::Range(edge, f, l); |
1453 | Standard_Real aTMid = (f + l) * .5; |
1454 | // |
1455 | Standard_Boolean bCheckNormals = GetNormalToSurface(aFaceOriginal, edge, aTMid, aDN1); |
1456 | // |
56091b56 |
1457 | // process faces connected through the edge in the current shape |
1458 | const TopTools_ListOfShape& aList = aMapEdgeFaces.FindFromKey(edge); |
1459 | TopTools_ListIteratorOfListOfShape anIter(aList); |
1460 | for (; anIter.More(); anIter.Next()) { |
10ce3246 |
1461 | const TopoDS_Face& aCheckedFaceOriginal = TopoDS::Face(anIter.Value()); |
1462 | TopoDS_Face anCheckedFace = TopoDS::Face(aCheckedFaceOriginal.Oriented(TopAbs_FORWARD)); |
56091b56 |
1463 | if (anCheckedFace.IsSame(aFace)) |
fe1a6e4e |
1464 | continue; |
2277323d |
1465 | |
56091b56 |
1466 | if (aProcessed.Contains(anCheckedFace)) |
1467 | continue; |
2277323d |
1468 | |
56091b56 |
1469 | if (IsCheckSharedEdgeOri && !CheckSharedEdgeOri(aFace, anCheckedFace, edge) ) |
1470 | continue; |
2277323d |
1471 | |
10ce3246 |
1472 | if (bCheckNormals) { |
1473 | // get normal of checked face using the same parameter on edge |
1474 | gp_Dir aDN2; |
1475 | if (GetNormalToSurface(aCheckedFaceOriginal, edge, aTMid, aDN2)) { |
1476 | // and check if the adjacent faces are having approximately same normals |
1477 | Standard_Real anAngle = aDN1.Angle(aDN2); |
1478 | if (anAngle > myAngTol) { |
1479 | continue; |
1480 | } |
1481 | } |
1482 | } |
1483 | // |
2ba9eb30 |
1484 | if (IsSameDomain(aFace,anCheckedFace, myLinTol, myAngTol)) { |
f0144633 |
1485 | |
56091b56 |
1486 | // hotfix for 27271: prevent merging along periodic direction. |
d3dadd23 |
1487 | if (IsLikeSeam(edge, anCheckedFace, aBaseSurface)) |
56091b56 |
1488 | continue; |
2277323d |
1489 | |
56091b56 |
1490 | // replacing pcurves |
1491 | TopoDS_Face aMockUpFace; |
1492 | BRep_Builder B; |
1493 | B.MakeFace(aMockUpFace,aBaseSurface,aBaseLocation,0.); |
632175c3 |
1494 | MovePCurves(aMockUpFace, anCheckedFace, mySafeInputMode, |
1495 | myContext); |
1496 | |
1497 | if (mySafeInputMode) { |
1498 | UpdateMapEdgeFaces(anCheckedFace, myContext, theGMapEdgeFaces); |
1499 | UpdateMapEdgeFaces(anCheckedFace, myContext, aMapEdgeFaces); |
1500 | } |
2277323d |
1501 | |
56091b56 |
1502 | if (AddOrdinaryEdges(edges,aMockUpFace,dummy)) { |
1503 | // sequence edges is modified |
1504 | i = dummy; |
2277323d |
1505 | } |
56091b56 |
1506 | |
1507 | faces.Append(anCheckedFace); |
1508 | aProcessed.Add(anCheckedFace); |
1509 | break; |
2277323d |
1510 | } |
1511 | } |
56091b56 |
1512 | } |
2277323d |
1513 | |
56091b56 |
1514 | if (faces.Length() > 1) { |
1515 | // fill in the connectivity map for selected faces |
1516 | TopTools_IndexedDataMapOfShapeListOfShape aMapEF; |
1517 | for (i = 1; i <= faces.Length(); i++) { |
1518 | TopExp::MapShapesAndAncestors(faces(i), TopAbs_EDGE, TopAbs_FACE, aMapEF); |
1519 | } |
632175c3 |
1520 | if (mySafeInputMode) |
1521 | UpdateMapOfShapes(myKeepShapes, myContext); |
9ed6494b |
1522 | // Collect keep edges and multiconnected edges, i.e. edges that are internal to |
56091b56 |
1523 | // the set of selected faces and have connections to other faces. |
9ed6494b |
1524 | TopTools_ListOfShape aKeepEdges; |
56091b56 |
1525 | for (i = 1; i <= aMapEF.Extent(); i++) { |
1526 | const TopTools_ListOfShape& aLF = aMapEF(i); |
1527 | if (aLF.Extent() == 2) { |
1528 | const TopoDS_Shape& aE = aMapEF.FindKey(i); |
1529 | const TopTools_ListOfShape& aGLF = theGMapEdgeFaces.FindFromKey(aE); |
9ed6494b |
1530 | if (aGLF.Extent() > 2 || myKeepShapes.Contains(aE)) { |
1531 | aKeepEdges.Append(aE); |
fe1a6e4e |
1532 | } |
1533 | } |
9ed6494b |
1534 | } |
1535 | if (!aKeepEdges.IsEmpty()) { |
1536 | if (!myAllowInternal) { |
1537 | // Remove from the selection the faces which have no other connect edges |
1538 | // and contain multiconnected edges and/or keep edges. |
56091b56 |
1539 | TopTools_MapOfShape anAvoidFaces; |
9ed6494b |
1540 | TopTools_ListIteratorOfListOfShape it(aKeepEdges); |
56091b56 |
1541 | for (; it.More(); it.Next()) { |
1542 | const TopoDS_Shape& aE = it.Value(); |
1543 | const TopTools_ListOfShape& aLF = aMapEF.FindFromKey(aE); |
1544 | anAvoidFaces.Add(aLF.First()); |
1545 | anAvoidFaces.Add(aLF.Last()); |
1546 | } |
9ed6494b |
1547 | for (i = 1; i <= faces.Length(); i++) { |
56091b56 |
1548 | if (anAvoidFaces.Contains(faces(i))) { |
1549 | // update the boundaries of merged area, for that |
1550 | // remove from 'edges' the edges of this face and add to 'edges' |
1551 | // the edges of this face that were not present in 'edges' before |
9ed6494b |
1552 | Standard_Boolean hasConnectAnotherFaces = Standard_False; |
56091b56 |
1553 | TopExp_Explorer ex(faces(i), TopAbs_EDGE); |
9ed6494b |
1554 | for (; ex.More() && !hasConnectAnotherFaces; ex.Next()) { |
56091b56 |
1555 | TopoDS_Shape aE = ex.Current(); |
9ed6494b |
1556 | const TopTools_ListOfShape& aLF = aMapEF.FindFromKey(aE); |
1557 | if (aLF.Extent() > 1) { |
1558 | for (it.Init(aLF); it.More() && !hasConnectAnotherFaces; it.Next()) { |
1559 | if (!anAvoidFaces.Contains(it.Value())) |
1560 | hasConnectAnotherFaces = Standard_True; |
1561 | } |
1562 | } |
1563 | } |
1564 | if (!hasConnectAnotherFaces) { |
1565 | AddOrdinaryEdges(edges, faces(i), dummy); |
1566 | faces.Remove(i); |
1567 | i--; |
1568 | } |
1569 | } |
1570 | } |
1571 | // check if the faces with keep edges contained in |
1572 | // already updated the boundaries of merged area |
1573 | if (!faces.IsEmpty()) { |
1574 | TopTools_MapOfShape aMapFaces; |
1575 | for (i = 1; i <= faces.Length(); i++) { |
1576 | aMapFaces.Add(faces(i)); |
1577 | } |
1578 | for (it.Init(aKeepEdges); it.More(); it.Next()) { |
1579 | const TopoDS_Shape& aE = it.Value(); |
1580 | const TopTools_ListOfShape& aLF = aMapEF.FindFromKey(aE); |
1581 | if (aLF.Extent() < 2) |
1582 | continue; |
1583 | if (aMapFaces.Contains(aLF.First()) && |
1584 | aMapFaces.Contains(aLF.Last())) { |
1585 | for (i = 1; i <= faces.Length(); i++) { |
1586 | if (faces(i).IsEqual(aLF.First()) || |
1587 | faces(i).IsEqual(aLF.Last())) { |
1588 | AddOrdinaryEdges(edges, faces(i), dummy); |
1589 | faces.Remove(i); |
1590 | i--; |
1591 | } |
cb120537 |
1592 | } |
cb120537 |
1593 | } |
fe1a6e4e |
1594 | } |
1595 | } |
56091b56 |
1596 | } |
1597 | else { |
9ed6494b |
1598 | // add multiconnected and keep edges as internal in new face |
1599 | TopTools_ListIteratorOfListOfShape it(aKeepEdges); |
56091b56 |
1600 | for (; it.More(); it.Next()) { |
1601 | const TopoDS_Shape& aE = it.Value(); |
1602 | edges.Append(aE.Oriented(TopAbs_INTERNAL)); |
fe1a6e4e |
1603 | } |
1604 | } |
1605 | } |
56091b56 |
1606 | } |
fe1a6e4e |
1607 | |
56091b56 |
1608 | // all faces collected in the sequence. Perform union of faces |
1609 | if (faces.Length() > 1) { |
1610 | NbModif++; |
1611 | TopoDS_Face aResult; |
1612 | BRep_Builder B; |
1613 | B.MakeFace(aResult,aBaseSurface,aBaseLocation,0); |
1614 | Standard_Integer nbWires = 0; |
1615 | |
1616 | TopoDS_Face tmpF = TopoDS::Face(myContext->Apply(faces(1).Oriented(TopAbs_FORWARD))); |
20aa0d3f |
1617 | |
1618 | TopTools_IndexedMapOfShape anOldEdges; |
1619 | for (int j = 1; j <= faces.Length(); j++) { |
1620 | TopExp::MapShapes(faces(j), TopAbs_EDGE, anOldEdges); |
1621 | } |
1622 | TopTools_IndexedMapOfShape aMapEdgesAndVertexes; |
1623 | for (int j = 1; j <= edges.Length(); j++) { |
1624 | TopExp::MapShapes(edges(j), aMapEdgesAndVertexes); |
1625 | } |
654c48b2 |
1626 | |
1627 | for (int j = 1; j <= anOldEdges.Extent(); j++) |
1628 | { |
20aa0d3f |
1629 | const TopoDS_Edge& anEdge = TopoDS::Edge(anOldEdges(j)); |
654c48b2 |
1630 | if (!aMapEdgesAndVertexes.Contains(anEdge)) |
1631 | { |
1632 | myRemoved.Add(anEdge); |
1633 | |
20aa0d3f |
1634 | TopoDS_Vertex V[2]; |
1635 | TopExp::Vertices(anEdge, V[0], V[1]); |
654c48b2 |
1636 | for (int k = 0; k < 2; k++) |
1637 | { |
20aa0d3f |
1638 | if (!aMapEdgesAndVertexes.Contains(V[k])) |
654c48b2 |
1639 | { |
1640 | myRemoved.Add(V[k]); |
1641 | } |
20aa0d3f |
1642 | } |
1643 | } |
1644 | } |
1645 | |
56091b56 |
1646 | // connecting wires |
1647 | while (edges.Length()>0) { |
1648 | |
1649 | Standard_Boolean isEdge3d = Standard_False; |
1650 | nbWires++; |
1651 | TopTools_MapOfShape aVertices; |
1652 | TopoDS_Wire aWire; |
1653 | B.MakeWire(aWire); |
1654 | |
1655 | TopoDS_Edge anEdge = TopoDS::Edge(edges(1)); |
1656 | edges.Remove(1); |
1657 | // collect internal edges in separate wires |
1658 | Standard_Boolean isInternal = (anEdge.Orientation() == TopAbs_INTERNAL); |
1659 | |
1660 | isEdge3d |= !BRep_Tool::Degenerated(anEdge); |
1661 | B.Add(aWire,anEdge); |
1662 | TopoDS_Vertex V1,V2; |
1663 | TopExp::Vertices(anEdge,V1,V2); |
1664 | aVertices.Add(V1); |
1665 | aVertices.Add(V2); |
1666 | |
1667 | Standard_Boolean isNewFound = Standard_False; |
1668 | do { |
1669 | isNewFound = Standard_False; |
1670 | for(Standard_Integer j = 1; j <= edges.Length(); j++) { |
1671 | anEdge = TopoDS::Edge(edges(j)); |
1672 | // check if the current edge orientation corresponds to the first one |
1673 | Standard_Boolean isCurrInternal = (anEdge.Orientation() == TopAbs_INTERNAL); |
1674 | if (isCurrInternal != isInternal) |
1675 | continue; |
1676 | TopExp::Vertices(anEdge,V1,V2); |
1677 | if(aVertices.Contains(V1) || aVertices.Contains(V2)) { |
1678 | isEdge3d |= !BRep_Tool::Degenerated(anEdge); |
1679 | aVertices.Add(V1); |
1680 | aVertices.Add(V2); |
1681 | B.Add(aWire,anEdge); |
1682 | edges.Remove(j); |
1683 | j--; |
1684 | isNewFound = Standard_True; |
2277323d |
1685 | } |
2277323d |
1686 | } |
56091b56 |
1687 | } while (isNewFound); |
1688 | |
1689 | // sorting any type of edges |
1690 | aWire.Closed (BRep_Tool::IsClosed (aWire)); |
1691 | aWire = TopoDS::Wire(myContext->Apply(aWire)); |
1692 | |
1693 | Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire(aWire,tmpF,Precision::Confusion()); |
632175c3 |
1694 | if (mySafeInputMode) |
1695 | sfw->SetContext(myContext); |
56091b56 |
1696 | sfw->FixReorder(); |
1697 | Standard_Boolean isDegRemoved = Standard_False; |
1698 | if(!sfw->StatusReorder ( ShapeExtend_FAIL )) { |
1699 | // clear degenerated edges if at least one with 3d curve exist |
2277323d |
1700 | if(isEdge3d) { |
56091b56 |
1701 | Handle(ShapeExtend_WireData) sewd = sfw->WireData(); |
1702 | for(Standard_Integer j = 1; j<=sewd->NbEdges();j++) { |
1703 | TopoDS_Edge E = sewd->Edge(j); |
1704 | if(BRep_Tool::Degenerated(E)) { |
1705 | sewd->Remove(j); |
1706 | isDegRemoved = Standard_True; |
654c48b2 |
1707 | myRemoved.Add(E); |
56091b56 |
1708 | j--; |
2277323d |
1709 | } |
2277323d |
1710 | } |
2277323d |
1711 | } |
56091b56 |
1712 | sfw->FixShifted(); |
1713 | if(isDegRemoved) |
1714 | sfw->FixDegenerated(); |
2277323d |
1715 | } |
56091b56 |
1716 | TopoDS_Wire aWireFixed = sfw->Wire(); |
56091b56 |
1717 | myContext->Replace(aWire,aWireFixed); |
2277323d |
1718 | |
56091b56 |
1719 | // add resulting wire |
1720 | if(isEdge3d) { |
1721 | B.Add(aResult,aWireFixed); |
1722 | } |
1723 | else { |
1724 | // sorting edges |
1725 | Handle(ShapeExtend_WireData) sbwd = sfw->WireData(); |
1726 | Standard_Integer nbEdges = sbwd->NbEdges(); |
1727 | // sort degenerated edges and create one edge instead of several ones |
1728 | ShapeAnalysis_WireOrder sawo(Standard_False, 0); |
1729 | ShapeAnalysis_Edge sae; |
1730 | Standard_Integer aLastEdge = nbEdges; |
1731 | for(Standard_Integer j = 1; j <= nbEdges; j++) { |
1732 | Standard_Real f,l; |
1733 | //smh protection on NULL pcurve |
1734 | Handle(Geom2d_Curve) c2d; |
1735 | if(!sae.PCurve(sbwd->Edge(j),tmpF,c2d,f,l)) { |
1736 | aLastEdge--; |
1737 | continue; |
38c2acd4 |
1738 | } |
56091b56 |
1739 | sawo.Add(c2d->Value(f).XY(),c2d->Value(l).XY()); |
2277323d |
1740 | } |
d3dadd23 |
1741 | if (sawo.NbEdges() == 0) |
1742 | continue; |
56091b56 |
1743 | sawo.Perform(); |
1744 | |
1745 | // constructind one degenerative edge |
1746 | gp_XY aStart, anEnd, tmp; |
1747 | Standard_Integer nbFirst = sawo.Ordered(1); |
1748 | TopoDS_Edge anOrigE = TopoDS::Edge(sbwd->Edge(nbFirst).Oriented(TopAbs_FORWARD)); |
1749 | ShapeBuild_Edge sbe; |
1750 | TopoDS_Vertex aDummyV; |
1751 | TopoDS_Edge E = sbe.CopyReplaceVertices(anOrigE,aDummyV,aDummyV); |
1752 | sawo.XY(nbFirst,aStart,tmp); |
1753 | sawo.XY(sawo.Ordered(aLastEdge),tmp,anEnd); |
1754 | |
1755 | gp_XY aVec = anEnd-aStart; |
1756 | Handle(Geom2d_Line) aLine = new Geom2d_Line(aStart,gp_Dir2d(anEnd-aStart)); |
1757 | |
1758 | B.UpdateEdge(E,aLine,tmpF,0.); |
1759 | B.Range(E,tmpF,0.,aVec.Modulus()); |
1760 | Handle(Geom_Curve) C3d; |
1761 | B.UpdateEdge(E,C3d,0.); |
1762 | B.Degenerated(E,Standard_True); |
1763 | TopoDS_Wire aW; |
1764 | B.MakeWire(aW); |
1765 | B.Add(aW,E); |
1766 | aW.Closed (Standard_True); |
1767 | B.Add(aResult,aW); |
1768 | } |
1769 | } |
2277323d |
1770 | |
56091b56 |
1771 | // perform substitution of face |
56091b56 |
1772 | myContext->Replace(myContext->Apply(aFace),aResult); |
2277323d |
1773 | |
56091b56 |
1774 | ShapeFix_Face sff (aResult); |
1775 | //Intializing by tolerances |
1776 | sff.SetPrecision(Precision::Confusion()); |
1777 | sff.SetMinTolerance(tol); |
1778 | sff.SetMaxTolerance(1.); |
1779 | //Setting modes |
1780 | sff.FixOrientationMode() = 0; |
1781 | //sff.FixWireMode() = 0; |
56091b56 |
1782 | sff.SetContext(myContext); |
1783 | // Applying the fixes |
1784 | sff.Perform(); |
1785 | if(sff.Status(ShapeExtend_FAIL)) |
1786 | hasFailed = Standard_True; |
2277323d |
1787 | |
56091b56 |
1788 | // breaking down to several faces |
56091b56 |
1789 | TopoDS_Shape theResult = myContext->Apply(aResult); |
1790 | for (TopExp_Explorer aFaceExp (theResult,TopAbs_FACE); aFaceExp.More(); aFaceExp.Next()) { |
1791 | TopoDS_Face aCurrent = TopoDS::Face(aFaceExp.Current().Oriented(TopAbs_FORWARD)); |
1792 | Handle(TColGeom_HArray2OfSurface) grid = new TColGeom_HArray2OfSurface ( 1, 1, 1, 1 ); |
1793 | grid->SetValue ( 1, 1, aBaseSurface ); |
1794 | Handle(ShapeExtend_CompositeSurface) G = new ShapeExtend_CompositeSurface ( grid ); |
1795 | ShapeFix_ComposeShell CompShell; |
1796 | CompShell.Init ( G, aBaseLocation, aCurrent, ::Precision::Confusion() );//myPrecision |
56091b56 |
1797 | CompShell.SetContext( myContext ); |
1798 | |
1799 | TopTools_SequenceOfShape parts, anIntWires; |
1800 | ShapeFix_SequenceOfWireSegment wires; |
1801 | for(TopExp_Explorer W_Exp(aCurrent,TopAbs_WIRE);W_Exp.More();W_Exp.Next()) { |
1802 | const TopoDS_Wire& aWire = TopoDS::Wire(W_Exp.Current()); |
1803 | // check if the wire is ordinary (contains non-internal edges) |
1804 | Standard_Boolean isInternal = Standard_True; |
1805 | for (TopoDS_Iterator it(aWire); it.More() && isInternal; it.Next()) |
1806 | isInternal = (it.Value().Orientation() == TopAbs_INTERNAL); |
1807 | if (isInternal) |
1808 | { |
1809 | // place internal wire separately |
1810 | anIntWires.Append(aWire); |
1811 | } |
1812 | else |
2277323d |
1813 | { |
56091b56 |
1814 | Handle(ShapeExtend_WireData) sbwd = |
1815 | new ShapeExtend_WireData (aWire); |
1816 | ShapeFix_WireSegment seg ( sbwd, TopAbs_REVERSED ); |
1817 | wires.Append(seg); |
2277323d |
1818 | } |
2277323d |
1819 | } |
1820 | |
632175c3 |
1821 | CompShell.DispatchWires( parts, wires ); |
56091b56 |
1822 | for (Standard_Integer j=1; j <= parts.Length(); j++ ) { |
1823 | ShapeFix_Face aFixOrient(TopoDS::Face(parts(j))); |
56091b56 |
1824 | aFixOrient.SetContext(myContext); |
1825 | aFixOrient.FixOrientation(); |
1826 | // put internal wires to faces |
1827 | putIntWires(parts(j), anIntWires); |
f7d70540 |
1828 | } |
2277323d |
1829 | |
56091b56 |
1830 | TopoDS_Shape CompRes; |
1831 | if ( parts.Length() !=1 ) { |
1832 | TopoDS_Shell S; |
1833 | B.MakeShell ( S ); |
1834 | for ( i=1; i <= parts.Length(); i++ ) |
1835 | B.Add ( S, parts(i) ); |
1836 | S.Closed (BRep_Tool::IsClosed (S)); |
1837 | CompRes = S; |
1838 | } |
1839 | else CompRes = parts(1); |
1840 | |
56091b56 |
1841 | myContext->Replace(aCurrent,CompRes); |
2277323d |
1842 | } |
56091b56 |
1843 | |
654c48b2 |
1844 | const TopoDS_Shape aResult3 = myContext->Apply(theResult); |
1845 | myContext->Merge(faces, aResult3); |
56091b56 |
1846 | } |
1847 | } // end processing each face |
1848 | |
1849 | //TopoDS_Shape aResult = Shape; |
1850 | if (NbModif > 0 && !hasFailed) { |
56091b56 |
1851 | TopoDS_Shape aResult = myContext->Apply(theInpShape); |
1852 | |
1853 | ShapeFix_Edge sfe; |
1854 | if (!myContext.IsNull()) sfe.SetContext(myContext); |
1855 | for (exp.Init(aResult,TopAbs_EDGE); exp.More(); exp.Next()) { |
1856 | TopoDS_Edge E = TopoDS::Edge(exp.Current()); |
1857 | sfe.FixVertexTolerance (E); |
1858 | // ptv add fix same parameter |
1859 | sfe.FixSameParameter(E, Precision::Confusion()); |
2277323d |
1860 | } |
56091b56 |
1861 | |
1862 | myContext->Replace(theInpShape, aResult); |
56091b56 |
1863 | } |
1864 | //else |
1865 | { |
1866 | for (exp.Init(theInpShape, TopAbs_FACE); exp.More(); exp.Next()) { |
1867 | TopoDS_Face aFace = TopoDS::Face(exp.Current().Oriented(TopAbs_FORWARD)); |
1868 | Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire; |
1869 | sfw->SetContext(myContext); |
1870 | sfw->SetPrecision(Precision::Confusion()); |
1871 | sfw->SetMinTolerance(Precision::Confusion()); |
1872 | sfw->SetMaxTolerance(1.); |
1873 | sfw->SetFace(aFace); |
1874 | for (TopoDS_Iterator iter (aFace,Standard_False); iter.More(); iter.Next()) { |
1875 | TopoDS_Wire wire = TopoDS::Wire(iter.Value()); |
1876 | sfw->Load(wire); |
1877 | sfw->FixReorder(); |
1878 | sfw->FixShifted(); |
2277323d |
1879 | } |
1880 | } |
56091b56 |
1881 | } |
2277323d |
1882 | |
2277323d |
1883 | } |
1884 | |
1885 | //======================================================================= |
1886 | //function : UnifyEdges |
1887 | //purpose : |
1888 | //======================================================================= |
2277323d |
1889 | void ShapeUpgrade_UnifySameDomain::UnifyEdges() |
1890 | { |
632175c3 |
1891 | TopoDS_Shape aRes = myContext->Apply(myShape); |
2277323d |
1892 | |
ce41efde |
1893 | TopTools_IndexedMapOfShape ChangedFaces; |
2277323d |
1894 | |
ce41efde |
1895 | // creating map of edge faces |
1896 | TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces; |
632175c3 |
1897 | TopExp::MapShapesAndAncestors(aRes, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces); |
ce41efde |
1898 | |
1899 | // creating map of vertex edges |
1900 | TopTools_IndexedDataMapOfShapeListOfShape aMapEdgesVertex; |
632175c3 |
1901 | TopExp::MapShapesAndUniqueAncestors(aRes, TopAbs_VERTEX, TopAbs_EDGE, aMapEdgesVertex); |
f7d70540 |
1902 | |
1903 | TopTools_MapOfShape SharedVert; |
1904 | |
f7d70540 |
1905 | TopTools_IndexedMapOfShape anOldEdges; |
1906 | TopExp::MapShapes(myInitShape, TopAbs_EDGE, anOldEdges); |
1907 | |
1908 | TopTools_DataMapOfShapeShape NewEdges2OldEdges; |
1909 | for (int i = 1; i <= anOldEdges.Extent(); i++) |
1910 | { |
632175c3 |
1911 | const TopoDS_Shape& anOldEdge = anOldEdges(i); |
1912 | TopoDS_Shape aNewEdge = myContext->Apply(anOldEdge); |
1913 | if (!aNewEdge.IsNull() && !aNewEdge.IsSame(anOldEdge)) |
1914 | NewEdges2OldEdges.Bind(aNewEdge, anOldEdge); |
f7d70540 |
1915 | } |
ce41efde |
1916 | |
632175c3 |
1917 | if (mySafeInputMode) |
1918 | UpdateMapOfShapes(myKeepShapes, myContext); |
1919 | |
ce41efde |
1920 | TopExp_Explorer exp; |
f7d70540 |
1921 | // processing separate wires |
1922 | for (exp.Init(aRes, TopAbs_WIRE, TopAbs_FACE); exp.More(); exp.Next()) |
1923 | { |
1924 | TopTools_SequenceOfShape SeqEdges; |
1925 | TopExp_Explorer expE(exp.Current(), TopAbs_EDGE); |
1926 | for (; expE.More(); expE.Next()) |
1927 | SeqEdges.Append(expE.Current()); |
1928 | SharedVert.Clear(); |
9ed6494b |
1929 | CheckSharedVertices(SeqEdges, aMapEdgesVertex, myKeepShapes, SharedVert); |
654c48b2 |
1930 | MergeSeq(SeqEdges, myAngTol, myConcatBSplines, mySafeInputMode, myContext, |
1931 | SharedVert, myRemoved); |
f7d70540 |
1932 | } |
1933 | |
1934 | // processing each face |
ce41efde |
1935 | for (exp.Init(aRes, TopAbs_FACE); exp.More(); exp.Next()) { |
632175c3 |
1936 | TopoDS_Shape aFace = exp.Current().Oriented(TopAbs_FORWARD); |
ce41efde |
1937 | TopTools_IndexedDataMapOfShapeListOfShape aMapFacesEdges; |
f7d70540 |
1938 | TopTools_SequenceOfShape aNonSharedEdges; |
ce41efde |
1939 | for (TopExp_Explorer expe(aFace,TopAbs_EDGE); expe.More(); expe.Next()) { |
1940 | TopoDS_Edge edge = TopoDS::Edge(expe.Current()); |
ce41efde |
1941 | const TopTools_ListOfShape& aList = aMapEdgeFaces.FindFromKey(edge); |
1942 | TopTools_ListIteratorOfListOfShape anIter(aList); |
f7d70540 |
1943 | Standard_Integer NbFacesPerEdge = aList.Extent(); |
ce41efde |
1944 | for ( ; anIter.More(); anIter.Next()) { |
632175c3 |
1945 | const TopoDS_Shape& aFace1 = anIter.Value(); |
1946 | if (aFace1.IsSame(aFace) && NbFacesPerEdge != 1) |
f7d70540 |
1947 | continue; |
1948 | if (NbFacesPerEdge == 1) |
1949 | //store non-shared edges separately |
1950 | aNonSharedEdges.Append(edge); |
1951 | else |
1952 | { |
632175c3 |
1953 | if (aMapFacesEdges.Contains(aFace1)) |
1954 | aMapFacesEdges.ChangeFromKey(aFace1).Append(edge); |
f7d70540 |
1955 | else |
1956 | { |
1957 | TopTools_ListOfShape ListEdges; |
1958 | ListEdges.Append(edge); |
632175c3 |
1959 | aMapFacesEdges.Add(aFace1, ListEdges); |
f7d70540 |
1960 | } |
2277323d |
1961 | } |
1962 | } |
ce41efde |
1963 | } |
f7d70540 |
1964 | |
1965 | for (Standard_Integer i=1; i<=aMapFacesEdges.Extent(); i++) |
1966 | { |
ce41efde |
1967 | const TopTools_ListOfShape& ListEdges = aMapFacesEdges.FindFromIndex(i); |
1968 | TopTools_SequenceOfShape SeqEdges; |
ce41efde |
1969 | TopTools_ListIteratorOfListOfShape anIter(ListEdges); |
ce41efde |
1970 | for ( ; anIter.More(); anIter.Next()) |
1971 | SeqEdges.Append(anIter.Value()); |
1972 | if (SeqEdges.Length()==1) |
1973 | continue; |
2277323d |
1974 | |
f7d70540 |
1975 | SharedVert.Clear(); |
9ed6494b |
1976 | CheckSharedVertices(SeqEdges, aMapEdgesVertex, myKeepShapes, SharedVert); |
632175c3 |
1977 | if (MergeSeq(SeqEdges, myAngTol, myConcatBSplines, mySafeInputMode, |
654c48b2 |
1978 | myContext, SharedVert, myRemoved)) |
2277323d |
1979 | { |
ce41efde |
1980 | TopoDS_Face tmpF = TopoDS::Face(exp.Current()); |
1981 | if ( !ChangedFaces.Contains(tmpF) ) |
1982 | ChangedFaces.Add(tmpF); |
1983 | tmpF = TopoDS::Face(aMapFacesEdges.FindKey(i)); |
1984 | if ( !ChangedFaces.Contains(tmpF) ) |
1985 | ChangedFaces.Add(tmpF); |
2277323d |
1986 | } |
ce41efde |
1987 | } |
f7d70540 |
1988 | |
1989 | if ( aNonSharedEdges.Length() > 1 ) |
1990 | { |
1991 | SharedVert.Clear(); |
9ed6494b |
1992 | CheckSharedVertices(aNonSharedEdges, aMapEdgesVertex, myKeepShapes, SharedVert); |
632175c3 |
1993 | if (MergeSeq(aNonSharedEdges, myAngTol, myConcatBSplines, mySafeInputMode, |
654c48b2 |
1994 | myContext, SharedVert, myRemoved)) |
f7d70540 |
1995 | { |
1996 | TopoDS_Face tmpF = TopoDS::Face(exp.Current()); |
1997 | if ( !ChangedFaces.Contains(tmpF) ) |
1998 | ChangedFaces.Add(tmpF); |
1999 | } |
2000 | } |
ce41efde |
2001 | |
2002 | } // end processing each face |
2003 | |
2004 | // fix changed faces and replace them in the local context |
632175c3 |
2005 | Standard_Real aPrec = Precision::Confusion(); |
2006 | for (Standard_Integer i = 1; i <= ChangedFaces.Extent(); i++) { |
ce41efde |
2007 | TopoDS_Face aFace = TopoDS::Face(myContext->Apply(ChangedFaces.FindKey(i))); |
f7d70540 |
2008 | if (aFace.IsNull()) |
2009 | continue; |
ce41efde |
2010 | Handle(ShapeFix_Face) sff = new ShapeFix_Face(aFace); |
2011 | sff->SetContext(myContext); |
632175c3 |
2012 | sff->SetPrecision(aPrec); |
2013 | sff->SetMinTolerance(aPrec); |
2014 | sff->SetMaxTolerance(Max(1., aPrec*1000.)); |
ce41efde |
2015 | sff->Perform(); |
2016 | TopoDS_Shape aNewFace = sff->Face(); |
ce41efde |
2017 | myContext->Replace(aFace,aNewFace); |
ce41efde |
2018 | } |
2019 | |
2020 | if (ChangedFaces.Extent() > 0) { |
2021 | // fix changed shell and replace it in the local context |
ce41efde |
2022 | TopoDS_Shape aRes1 = myContext->Apply(aRes); |
632175c3 |
2023 | Standard_Boolean isChanged = Standard_False; |
ce41efde |
2024 | TopExp_Explorer expsh; |
2025 | for (expsh.Init(aRes1, TopAbs_SHELL); expsh.More(); expsh.Next()) { |
2026 | TopoDS_Shell aShell = TopoDS::Shell(expsh.Current()); |
2027 | Handle(ShapeFix_Shell) sfsh = new ShapeFix_Shell; |
2028 | sfsh->FixFaceOrientation(aShell); |
2029 | TopoDS_Shape aNewShell = sfsh->Shell(); |
632175c3 |
2030 | if (!aNewShell.IsSame(aShell)) { |
2031 | myContext->Replace(aShell, aNewShell); |
2032 | isChanged = Standard_True; |
2277323d |
2033 | } |
ce41efde |
2034 | } |
632175c3 |
2035 | if (isChanged) |
2036 | aRes1 = myContext->Apply(aRes1); |
2037 | myContext->Replace(myShape, aRes1); |
ce41efde |
2038 | } |
2277323d |
2039 | |
2040 | myShape = myContext->Apply(myShape); |
2041 | } |
2042 | |
2043 | //======================================================================= |
2044 | //function : UnifyFacesAndEdges |
2045 | //purpose : |
2046 | //======================================================================= |
2047 | |
2048 | void ShapeUpgrade_UnifySameDomain::UnifyFacesAndEdges() |
2049 | { |
2050 | UnifyFaces(); |
2051 | |
2052 | /* |
2053 | ShapeUpgrade_RemoveLocations RemLoc; |
2054 | RemLoc.Remove(myShape); |
2055 | myShape = RemLoc.GetResult(); |
2056 | */ |
2057 | |
2058 | UnifyEdges(); |
2059 | } |
2060 | |
2061 | //======================================================================= |
2062 | //function : Build |
2063 | //purpose : builds the resulting shape |
2064 | //====================================================================== |
2065 | void ShapeUpgrade_UnifySameDomain::Build() |
2066 | { |
2067 | if (myUnifyFaces && myUnifyEdges) |
2068 | UnifyFacesAndEdges(); |
2069 | |
2070 | else if (myUnifyEdges) |
2071 | UnifyEdges(); |
2072 | else if (myUnifyFaces) |
2073 | UnifyFaces(); |
2074 | |
654c48b2 |
2075 | if (!myHistory.IsNull()) |
2076 | { |
2077 | myHistory->Merge(myContext->History()); |
2078 | for (TopTools_MapOfShape::Iterator aIt(myRemoved); |
2079 | aIt.More(); aIt.Next()) |
2080 | { |
2081 | myHistory->Remove(aIt.Value()); |
2082 | } |
20aa0d3f |
2083 | } |
f7d70540 |
2084 | |
654c48b2 |
2085 | //Done(); |
2277323d |
2086 | } |