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b311480e | 1 | // Created on: 1995-03-24 |
2 | // Created by: Jing Cheng MEI | |
3 | // Copyright (c) 1995-1999 Matra Datavision | |
973c2be1 | 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
b311480e | 5 | // |
973c2be1 | 6 | // This file is part of Open CASCADE Technology software library. |
b311480e | 7 | // |
d5f74e42 | 8 | // This library is free software; you can redistribute it and/or modify it under |
9 | // the terms of the GNU Lesser General Public License version 2.1 as published | |
973c2be1 | 10 | // by the Free Software Foundation, with special exception defined in the file |
11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT | |
12 | // distribution for complete text of the license and disclaimer of any warranty. | |
b311480e | 13 | // |
973c2be1 | 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. | |
47980104 | 16 | |
7fd59977 | 17 | // dcl CCI60011 : Correction of degeneratedSection |
18 | // Improvement of SameParameter Edge to treat case of failure in BRepLib::SameParameter | |
19 | // dcl Thu Aug 20 09:24:49 1998 | |
20 | // Suppression of little faces. | |
21 | // dcl Fri Aug 7 15:27:46 1998 | |
22 | // Refection of function SameParameter Edge. | |
23 | // Merge on the edge which has the less of poles. | |
24 | // Suppression of the Connected Edge function. | |
25 | // dcl Tue Jun 9 14:21:53 1998 | |
26 | // Do not merge edge if they belong the same face | |
27 | // Tolerance management in VerticesAssembling | |
28 | // Tolerance management in Cutting | |
29 | // dcl Thu May 14 15:51:46 1998 | |
30 | // optimization of cutting | |
31 | // dcl Thu May 7 15:51:46 1998 | |
32 | // Add of cutting option | |
33 | // Add of SameParameter call | |
34 | ||
35 | ||
0d969553 Y |
36 | //-- lbr April 1 97 |
37 | //-- dpf December 10 1997 Processing of pcurve collections | |
7fd59977 | 38 | |
39 | //rln 02.02.99 BUC60449 Making compilable on NT in DEB mode | |
40 | //rln 02.02.99 BUC60449 Protection against exception on NT | |
41 | ||
42 | #define TEST 1 | |
43 | ||
44 | #include <BRepBuilderAPI_Sewing.ixx> | |
45 | ||
46 | #include <Bnd_Box.hxx> | |
47 | #include <Bnd_Box2d.hxx> | |
48 | #include <Bnd_HArray1OfBox.hxx> | |
49 | #include <BndLib_Add2dCurve.hxx> | |
50 | #include <BndLib_Add3dCurve.hxx> | |
51 | #include <BRep_Builder.hxx> | |
52 | #include <BRep_Tool.hxx> | |
53 | #include <BRepLib.hxx> | |
54 | #include <BRepTools_Quilt.hxx> | |
55 | #include <BSplCLib.hxx> | |
56 | #include <Extrema_ExtPC.hxx> | |
57 | #include <GCPnts_AbscissaPoint.hxx> | |
58 | #include <GCPnts_UniformAbscissa.hxx> | |
59 | #include <GCPnts_UniformDeflection.hxx> | |
60 | #include <Geom2d_BezierCurve.hxx> | |
61 | #include <Geom2d_BSplineCurve.hxx> | |
62 | #include <Geom2d_Curve.hxx> | |
63 | #include <Geom2d_Line.hxx> | |
64 | #include <Geom2d_TrimmedCurve.hxx> | |
65 | #include <Geom2dAdaptor_Curve.hxx> | |
66 | #include <Geom2dConvert.hxx> | |
67 | #include <Geom_BezierCurve.hxx> | |
68 | #include <Geom_BSplineCurve.hxx> | |
69 | #include <Geom_Curve.hxx> | |
70 | #include <Geom_Line.hxx> | |
71 | #include <Geom_Surface.hxx> | |
72 | #include <GeomAdaptor_Curve.hxx> | |
73 | #include <GeomAdaptor_Surface.hxx> | |
74 | #include <GeomLib.hxx> | |
75 | #include <gp_Pnt.hxx> | |
76 | #include <gp_Vec.hxx> | |
77 | //#include <LocalAnalysis_SurfaceContinuity.hxx> | |
78 | #include <Precision.hxx> | |
79 | #include <Standard_ErrorHandler.hxx> | |
80 | #include <Standard_Failure.hxx> | |
81 | #include <TColgp_Array1OfVec.hxx> | |
82 | #include <TColgp_SequenceOfPnt.hxx> | |
83 | #include <TColStd_Array1OfInteger.hxx> | |
84 | #include <TColStd_Array1OfReal.hxx> | |
85 | #include <TColStd_DataMapIteratorOfDataMapOfIntegerListOfInteger.hxx> | |
86 | #include <TColStd_DataMapOfIntegerListOfInteger.hxx> | |
87 | #include <TColStd_IndexedMapOfInteger.hxx> | |
88 | #include <TColStd_ListIteratorOfListOfInteger.hxx> | |
89 | #include <TColStd_ListOfInteger.hxx> | |
90 | #include <TColStd_MapOfInteger.hxx> | |
91 | #include <TColStd_SequenceOfReal.hxx> | |
92 | #include <TopAbs.hxx> | |
93 | #include <TopExp.hxx> | |
94 | #include <TopExp_Explorer.hxx> | |
95 | #include <TopLoc_Location.hxx> | |
96 | #include <TopoDS.hxx> | |
97 | #include <TopoDS_Edge.hxx> | |
98 | #include <TopoDS_Iterator.hxx> | |
99 | #include <TopoDS_Shape.hxx> | |
100 | #include <TopoDS_Vertex.hxx> | |
101 | #include <TopoDS_Wire.hxx> | |
102 | #include <TopoDS_Shell.hxx> | |
103 | #include <TopTools_Array1OfShape.hxx> | |
104 | #include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx> | |
105 | #include <TopTools_DataMapIteratorOfDataMapOfShapeShape.hxx> | |
106 | #include <TopTools_DataMapOfShapeInteger.hxx> | |
107 | #include <TopTools_DataMapOfShapeListOfShape.hxx> | |
108 | #include <TopTools_ListIteratorOfListOfShape.hxx> | |
109 | #include <TopTools_ListOfShape.hxx> | |
110 | #include <TopTools_MapIteratorOfMapOfShape.hxx> | |
111 | #include <TopTools_MapOfShape.hxx> | |
112 | #include <TopTools_SequenceOfShape.hxx> | |
113 | #include <TopoDS_Compound.hxx> | |
114 | #include <TColStd_Array2OfReal.hxx> | |
115 | #include <TColStd_MapIteratorOfMapOfInteger.hxx> | |
116 | #include <BRepTools.hxx> | |
117 | #include <Geom_RectangularTrimmedSurface.hxx> | |
118 | #include <Geom_OffsetSurface.hxx> | |
119 | #include <BRep_PointOnCurve.hxx> | |
120 | #include <BRep_ListOfPointRepresentation.hxx> | |
121 | #include <BRep_TVertex.hxx> | |
92434a36 | 122 | #include <Message_ProgressSentry.hxx> |
82192477 | 123 | #include <BRepBuilderAPI_VertexInspector.hxx> |
124 | #include <BRepBuilderAPI_CellFilter.hxx> | |
125 | #include <BRepBuilderAPI_BndBoxTreeSelector.hxx> | |
126 | #include <NCollection_UBTreeFiller.hxx> | |
7fd59977 | 127 | |
7fd59977 | 128 | //======================================================================= |
129 | //function : SameRange | |
130 | //purpose : | |
131 | //======================================================================= | |
132 | ||
133 | Handle(Geom2d_Curve) BRepBuilderAPI_Sewing::SameRange(const Handle(Geom2d_Curve)& CurvePtr, | |
134 | const Standard_Real FirstOnCurve, | |
135 | const Standard_Real LastOnCurve, | |
136 | const Standard_Real RequestedFirst, | |
137 | const Standard_Real RequestedLast) const | |
138 | { | |
139 | Handle(Geom2d_Curve) NewCurvePtr; | |
140 | try { | |
141 | ||
142 | GeomLib::SameRange(Precision::PConfusion(),CurvePtr,FirstOnCurve,LastOnCurve, | |
143 | RequestedFirst,RequestedLast,NewCurvePtr); | |
144 | } | |
145 | catch (Standard_Failure) { | |
0797d9d3 | 146 | #ifdef OCCT_DEBUG |
7fd59977 | 147 | cout << "Exception in BRepBuilderAPI_Sewing::SameRange: "; |
148 | Standard_Failure::Caught()->Print(cout); cout << endl; | |
149 | #endif | |
150 | } | |
151 | return NewCurvePtr; | |
152 | } | |
153 | ||
154 | //======================================================================= | |
155 | //function : WhichFace | |
0d969553 | 156 | //purpose : Give the face whose edge is the border |
7fd59977 | 157 | //======================================================================= |
158 | ||
159 | TopoDS_Face BRepBuilderAPI_Sewing::WhichFace(const TopoDS_Edge& theEdg, const Standard_Integer index) const | |
160 | { | |
161 | TopoDS_Shape bound = theEdg; | |
162 | if (mySectionBound.IsBound(bound)) bound = mySectionBound(bound); | |
163 | if (myBoundFaces.Contains(bound)) { | |
164 | Standard_Integer i = 1; | |
165 | TopTools_ListIteratorOfListOfShape itf(myBoundFaces.FindFromKey(bound)); | |
166 | for (; itf.More(); itf.Next(), i++) | |
167 | if (i == index) return TopoDS::Face(itf.Value()); | |
168 | } | |
169 | return TopoDS_Face(); | |
170 | } | |
171 | ||
172 | //======================================================================= | |
173 | //function : IsClosedShape | |
174 | //purpose : | |
175 | //======================================================================= | |
176 | ||
177 | static Standard_Boolean IsClosedShape(const TopoDS_Shape& theshape, | |
178 | const TopoDS_Shape& v1, const TopoDS_Shape& v2) | |
179 | { | |
180 | Standard_Real TotLength = 0.0; | |
181 | TopExp_Explorer aexp; | |
182 | for (aexp.Init(theshape,TopAbs_EDGE); aexp.More(); aexp.Next()) { | |
183 | TopoDS_Edge aedge = TopoDS::Edge(aexp.Current()); | |
184 | if (aedge.IsNull()) continue; | |
185 | TopoDS_Vertex ve1,ve2; | |
186 | TopExp::Vertices(aedge,ve1,ve2); | |
187 | if (!ve1.IsSame(v1) && !ve1.IsSame(v2)) continue; | |
188 | if (BRep_Tool::Degenerated(aedge)) continue; | |
189 | Standard_Real first,last; | |
190 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(TopoDS::Edge(aedge), first, last); | |
191 | if (!c3d.IsNull()) { | |
192 | GeomAdaptor_Curve cAdapt(c3d); | |
193 | Standard_Real length = GCPnts_AbscissaPoint::Length(cAdapt, first, last); | |
194 | TotLength += length; | |
195 | if (ve2.IsSame(v1) || ve2.IsSame(v2)) break; | |
196 | } | |
197 | } | |
198 | if (TotLength > 0.0) { | |
199 | gp_Pnt p1 = BRep_Tool::Pnt(TopoDS::Vertex(v1)); | |
200 | gp_Pnt p2 = BRep_Tool::Pnt(TopoDS::Vertex(v2)); | |
c6541a0c | 201 | return (p1.Distance(p2) < TotLength/(1.2 * M_PI)); |
7fd59977 | 202 | } |
203 | return Standard_False; | |
204 | } | |
205 | ||
206 | //======================================================================= | |
207 | //function : IsClosedByIsos | |
208 | //purpose : | |
209 | //======================================================================= | |
210 | static Standard_Boolean IsClosedByIsos(const Handle(Geom_Surface)& thesurf, | |
211 | const Handle(Geom2d_Curve)& acrv2d, | |
212 | const Standard_Real f2d, | |
213 | const Standard_Real l2d, | |
214 | const Standard_Boolean isUIsos) | |
215 | { | |
216 | Standard_Boolean isClosed = Standard_False; | |
217 | ||
218 | gp_Pnt2d psurf1 = (acrv2d->IsPeriodic() ? | |
219 | acrv2d->Value(f2d) : acrv2d->Value(Max(f2d,acrv2d->FirstParameter()))); | |
220 | gp_Pnt2d psurf2 = (acrv2d->IsPeriodic() ? | |
221 | acrv2d->Value(l2d) : acrv2d->Value(Min(l2d,acrv2d->LastParameter()))); | |
222 | Handle(Geom_Curve) aCrv1; | |
223 | Handle(Geom_Curve) aCrv2; | |
224 | if(isUIsos) { | |
225 | aCrv1 = thesurf->UIso(psurf1.X()); | |
226 | aCrv2 = thesurf->UIso(psurf2.X()); | |
227 | } | |
228 | else { | |
229 | aCrv1 = thesurf->VIso(psurf1.Y()); | |
230 | aCrv2 = thesurf->VIso(psurf2.Y()); | |
231 | } | |
232 | gp_Pnt p11,p1m,p12,p21,p2m,p22; | |
233 | Standard_Real af1 = aCrv1->FirstParameter(); | |
234 | Standard_Real al1 = aCrv1->LastParameter(); | |
235 | Standard_Real af2 = aCrv2->FirstParameter(); | |
236 | Standard_Real al2 = aCrv2->LastParameter(); | |
237 | aCrv1->D0(af1,p11); | |
238 | aCrv1->D0((af1+al1)*0.5,p1m); | |
239 | aCrv1->D0(al1,p12); | |
240 | aCrv2->D0(af2,p21); | |
241 | aCrv2->D0((af2+al2)*0.5,p2m); | |
242 | aCrv2->D0(al2,p22); | |
243 | isClosed = (((p11.XYZ() - p12.XYZ()).Modulus() < | |
244 | (p11.XYZ() - p1m.XYZ()).Modulus() - Precision::Confusion()) && | |
245 | ((p21.XYZ() - p22.XYZ()).Modulus() < | |
246 | (p21.XYZ() - p2m.XYZ()).Modulus() - Precision::Confusion())) ; | |
247 | return isClosed; | |
248 | } | |
249 | //======================================================================= | |
250 | //function : IsUClosedSurface | |
251 | //purpose : | |
252 | //======================================================================= | |
253 | ||
254 | Standard_Boolean BRepBuilderAPI_Sewing::IsUClosedSurface(const Handle(Geom_Surface)& surf, | |
255 | const TopoDS_Shape& theEdge, | |
256 | const TopLoc_Location& theloc) const | |
257 | { | |
258 | Handle(Geom_Surface) tmpsurf = surf; | |
259 | if(tmpsurf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) | |
260 | tmpsurf = Handle(Geom_RectangularTrimmedSurface)::DownCast(surf)->BasisSurface(); | |
261 | else if(tmpsurf->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) | |
262 | tmpsurf = Handle(Geom_OffsetSurface)::DownCast(surf)->BasisSurface(); | |
263 | else { | |
264 | Standard_Boolean isClosed = tmpsurf->IsUClosed(); | |
265 | if(!isClosed) { | |
266 | Standard_Real f2d, l2d; | |
267 | Handle(Geom2d_Curve) acrv2d = BRep_Tool::CurveOnSurface(TopoDS::Edge(theEdge), surf,theloc, f2d, l2d); | |
268 | if(!acrv2d.IsNull()) | |
269 | isClosed = IsClosedByIsos(tmpsurf,acrv2d,f2d, l2d,Standard_False ); | |
270 | ||
271 | } | |
272 | return isClosed; | |
273 | } | |
274 | return IsUClosedSurface(tmpsurf,theEdge,theloc); | |
275 | //return surf->IsUClosed(); | |
276 | } | |
277 | ||
278 | //======================================================================= | |
279 | //function : IsVClosedSurface | |
280 | //purpose : | |
281 | //======================================================================= | |
282 | ||
283 | Standard_Boolean BRepBuilderAPI_Sewing::IsVClosedSurface(const Handle(Geom_Surface)& surf, | |
284 | const TopoDS_Shape& theEdge, | |
285 | const TopLoc_Location& theloc) const | |
286 | { | |
287 | Handle(Geom_Surface) tmpsurf = surf; | |
288 | if(tmpsurf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) | |
289 | tmpsurf = Handle(Geom_RectangularTrimmedSurface)::DownCast(surf)->BasisSurface(); | |
290 | else if(tmpsurf->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) | |
291 | tmpsurf = Handle(Geom_OffsetSurface)::DownCast(surf)->BasisSurface(); | |
292 | else { | |
293 | Standard_Boolean isClosed = tmpsurf->IsVClosed(); | |
294 | if(!isClosed) { | |
295 | Standard_Real f2d, l2d; | |
296 | Handle(Geom2d_Curve) acrv2d = BRep_Tool::CurveOnSurface(TopoDS::Edge(theEdge), surf,theloc, f2d, l2d); | |
297 | if(!acrv2d.IsNull()) | |
298 | isClosed = IsClosedByIsos(tmpsurf,acrv2d,f2d, l2d,Standard_True ); | |
299 | } | |
300 | return isClosed; | |
301 | } | |
302 | return IsVClosedSurface(tmpsurf,theEdge,theloc); | |
303 | //return surf->IsVClosed(); | |
304 | } | |
305 | ||
306 | //======================================================================= | |
307 | //function : SameParameter | |
308 | //purpose : internal use | |
309 | //======================================================================= | |
310 | ||
311 | void BRepBuilderAPI_Sewing::SameParameter(const TopoDS_Edge& edge) const | |
312 | { | |
313 | try { | |
314 | ||
315 | BRepLib::SameParameter(edge); | |
316 | } | |
317 | catch (Standard_Failure) { | |
0797d9d3 | 318 | #ifdef OCCT_DEBUG |
7fd59977 | 319 | cout << "Exception in BRepBuilderAPI_Sewing::SameParameter: "; |
320 | Standard_Failure::Caught()->Print(cout); cout << endl; | |
321 | #endif | |
322 | } | |
323 | } | |
324 | ||
325 | //======================================================================= | |
326 | //function : SameParameterEdge | |
327 | //purpose : internal use | |
328 | // Merge the Sequence Of Section on one edge. | |
329 | // This function keep the curve3d,curve2d,range and parametrization | |
330 | // from the first section, and report and made sameparameter the | |
331 | // pcurves of the other function. | |
332 | // This function works when the are not more than two Pcurves | |
333 | // on a same face. | |
334 | //======================================================================= | |
335 | ||
336 | TopoDS_Edge BRepBuilderAPI_Sewing::SameParameterEdge(const TopoDS_Shape& edge, | |
337 | const TopTools_SequenceOfShape& seqEdges, | |
338 | const TColStd_SequenceOfInteger& seqForward, | |
339 | TopTools_MapOfShape& mapMerged, | |
340 | const Handle(BRepTools_ReShape)& locReShape) | |
341 | { | |
342 | // Retrieve reference section | |
343 | TopoDS_Shape aTmpShape = myReShape->Apply(edge); //for porting | |
344 | TopoDS_Edge Edge1 = TopoDS::Edge(aTmpShape); | |
345 | aTmpShape = locReShape->Apply(Edge1); | |
346 | if (locReShape != myReShape) Edge1 = TopoDS::Edge(aTmpShape); | |
347 | Standard_Boolean isDone = Standard_False; | |
348 | ||
349 | // Create data structures for temporary merged edges | |
350 | TopTools_ListOfShape listFaces1; | |
351 | TopTools_MapOfShape MergedFaces; | |
352 | ||
353 | if (mySewing) { | |
354 | ||
355 | // Fill MergedFaces with faces of Edge1 | |
356 | TopoDS_Shape bnd1 = edge; | |
357 | if (mySectionBound.IsBound(bnd1)) bnd1 = mySectionBound(bnd1); | |
358 | if (myBoundFaces.Contains(bnd1)) { | |
359 | TopTools_ListIteratorOfListOfShape itf(myBoundFaces.FindFromKey(bnd1)); | |
360 | for (; itf.More(); itf.Next()) | |
361 | if (MergedFaces.Add(itf.Value())) | |
362 | listFaces1.Append(itf.Value()); | |
363 | } | |
364 | } | |
365 | else { | |
366 | ||
367 | // Create presentation edge | |
368 | TopoDS_Vertex V1, V2; | |
369 | TopExp::Vertices(Edge1,V1,V2); | |
370 | if (myVertexNode.Contains(V1)) V1 = TopoDS::Vertex(myVertexNode.FindFromKey(V1)); | |
371 | if (myVertexNode.Contains(V2)) V2 = TopoDS::Vertex(myVertexNode.FindFromKey(V2)); | |
372 | ||
373 | TopoDS_Edge NewEdge = Edge1; | |
374 | NewEdge.EmptyCopy(); | |
375 | ||
376 | // Add the vertices | |
377 | BRep_Builder aBuilder; | |
378 | TopoDS_Shape anEdge = NewEdge.Oriented(TopAbs_FORWARD); | |
379 | aBuilder.Add(anEdge,V1.Oriented(TopAbs_FORWARD)); | |
380 | aBuilder.Add(anEdge,V2.Oriented(TopAbs_REVERSED)); | |
381 | ||
382 | Edge1 = NewEdge; | |
383 | } | |
384 | ||
385 | Standard_Boolean isForward = Standard_True; | |
386 | ||
387 | // Merge candidate sections | |
388 | for (Standard_Integer i = 1; i <= seqEdges.Length(); i++) { | |
389 | ||
390 | // Retrieve candidate section | |
391 | TopoDS_Shape oedge2 = seqEdges(i); | |
392 | ||
393 | if (mySewing) { | |
394 | ||
395 | aTmpShape = myReShape->Apply(oedge2); //for porting | |
396 | TopoDS_Edge Edge2 = TopoDS::Edge(aTmpShape); | |
397 | aTmpShape = locReShape->Apply(Edge2); | |
398 | if (locReShape != myReShape) Edge2 = TopoDS::Edge(aTmpShape); | |
399 | ||
400 | // Calculate relative orientation | |
401 | Standard_Integer Orientation = seqForward(i); | |
402 | if (!isForward) Orientation = (Orientation? 0 : 1); | |
403 | ||
404 | // Retrieve faces information for the second edge | |
405 | TopoDS_Shape bnd2 = oedge2; | |
406 | if (mySectionBound.IsBound(bnd2)) bnd2 = mySectionBound(bnd2); | |
407 | if (!myBoundFaces.Contains(bnd2)) continue; // Skip floating edge | |
408 | const TopTools_ListOfShape& listFaces2 = myBoundFaces.FindFromKey(bnd2); | |
409 | ||
410 | Standard_Integer whichSec = 1; // Indicates on which edge the pCurve has been reported | |
411 | TopoDS_Edge NewEdge = SameParameterEdge(Edge1,Edge2,listFaces1,listFaces2,Orientation,whichSec); | |
412 | if (NewEdge.IsNull()) continue; | |
413 | ||
414 | // Record faces information for the temporary merged edge | |
415 | TopTools_ListIteratorOfListOfShape itf(listFaces2); | |
416 | for (; itf.More(); itf.Next()) | |
417 | if (MergedFaces.Add(itf.Value())) | |
418 | listFaces1.Append(itf.Value()); | |
419 | ||
420 | // Record merged section orientation | |
421 | if (!Orientation && whichSec != 1) | |
422 | isForward = isForward? Standard_False : Standard_True; | |
423 | Edge1 = NewEdge; | |
424 | } | |
425 | ||
426 | // Append actually merged edge | |
427 | mapMerged.Add(oedge2); | |
428 | isDone = Standard_True; | |
429 | ||
430 | if (!myNonmanifold) break; | |
431 | } | |
432 | ||
433 | if (isDone) { | |
434 | // Change result orientation | |
435 | Edge1.Orientation(isForward? TopAbs_FORWARD : TopAbs_REVERSED); | |
436 | } | |
437 | else Edge1.Nullify(); | |
438 | ||
439 | return Edge1; | |
440 | } | |
441 | ||
442 | //======================================================================= | |
443 | //function : SameParameterEdge | |
444 | //purpose : internal use | |
445 | //======================================================================= | |
446 | static Standard_Boolean findNMVertices(const TopoDS_Edge& theEdge, | |
447 | TopTools_SequenceOfShape& theSeqNMVert, | |
448 | TColStd_SequenceOfReal& theSeqPars) | |
449 | { | |
450 | TopoDS_Iterator aItV(theEdge,Standard_False); | |
451 | for( ; aItV.More(); aItV.Next()) { | |
452 | if(aItV.Value().Orientation() == TopAbs_INTERNAL || | |
453 | aItV.Value().Orientation() == TopAbs_EXTERNAL) | |
454 | theSeqNMVert.Append(aItV.Value()); | |
455 | } | |
456 | Standard_Integer nbV = theSeqNMVert.Length(); | |
457 | if(!nbV) | |
458 | return Standard_False; | |
459 | Standard_Real first, last; | |
460 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(theEdge,first, last); | |
461 | GeomAdaptor_Curve GAC(c3d); | |
462 | Extrema_ExtPC locProj; | |
463 | locProj.Initialize(GAC, first, last); | |
464 | gp_Pnt pfirst = GAC.Value(first), plast = GAC.Value(last); | |
465 | ||
466 | ||
467 | for (Standard_Integer i = 1; i <= nbV; i++) { | |
468 | TopoDS_Vertex aV = TopoDS::Vertex(theSeqNMVert.Value(i)); | |
469 | gp_Pnt pt = BRep_Tool::Pnt(aV); | |
470 | ||
471 | Standard_Real distF2 = pfirst.SquareDistance(pt); | |
472 | Standard_Real distL2 = plast.SquareDistance(pt); | |
473 | Standard_Real apar = (distF2 > distL2 ? last : first); | |
474 | // Project current point on curve | |
475 | locProj.Perform(pt); | |
476 | if (locProj.IsDone() && locProj.NbExt() > 0) { | |
477 | Standard_Real dist2Min = Min(distF2,distL2); | |
478 | Standard_Integer ind, indMin = 0; | |
479 | for (ind = 1; ind <= locProj.NbExt(); ind++) { | |
480 | Standard_Real dProj2 = locProj.SquareDistance(ind); | |
481 | if (dProj2 < dist2Min) { | |
482 | indMin = ind; dist2Min = dProj2; | |
483 | } | |
484 | } | |
485 | if(indMin) | |
486 | apar = locProj.Point(indMin).Parameter(); | |
487 | ||
488 | theSeqPars.Append(apar); | |
489 | ||
490 | } | |
491 | } | |
492 | return Standard_True; | |
493 | } | |
494 | ||
2028d00c | 495 | static inline Standard_Real ComputeToleranceVertex(const Standard_Real dist, const Standard_Real Tol1, const Standard_Real Tol2) |
7fd59977 | 496 | { |
2028d00c | 497 | return (dist * 0.5 + Tol1 + Tol2); |
7fd59977 | 498 | } |
499 | TopoDS_Edge BRepBuilderAPI_Sewing::SameParameterEdge(const TopoDS_Edge& edgeFirst, | |
500 | const TopoDS_Edge& edgeLast, | |
501 | const TopTools_ListOfShape& listFacesFirst, | |
502 | const TopTools_ListOfShape& listFacesLast, | |
503 | const Standard_Boolean secForward, | |
504 | Standard_Integer& whichSec, | |
505 | const Standard_Boolean firstCall) | |
506 | { | |
507 | // Do not process floating edges | |
508 | if (!listFacesFirst.Extent() || !listFacesLast.Extent()) return TopoDS_Edge(); | |
509 | ||
510 | // Sort input edges | |
511 | TopoDS_Edge edge1, edge2; | |
512 | if (firstCall) { | |
513 | // Take the longest edge as first | |
514 | Standard_Real f, l; | |
515 | Handle(Geom_Curve) c3d1 = BRep_Tool::Curve(TopoDS::Edge(edgeFirst), f, l); | |
516 | GeomAdaptor_Curve cAdapt1(c3d1); | |
517 | Standard_Real len1 = GCPnts_AbscissaPoint::Length(cAdapt1, f, l); | |
518 | Handle(Geom_Curve) c3d2 = BRep_Tool::Curve(TopoDS::Edge(edgeLast), f, l); | |
519 | GeomAdaptor_Curve cAdapt2(c3d2); | |
520 | Standard_Real len2 = GCPnts_AbscissaPoint::Length(cAdapt2, f, l); | |
521 | if (len1 < len2) { | |
522 | edge1 = edgeLast; | |
523 | edge2 = edgeFirst; | |
524 | whichSec = 2; | |
525 | } | |
526 | else { | |
527 | edge1 = edgeFirst; | |
528 | edge2 = edgeLast; | |
529 | whichSec = 1; | |
530 | } | |
531 | } | |
532 | else { | |
533 | if (whichSec == 1) { | |
534 | edge1 = edgeLast; | |
535 | edge2 = edgeFirst; | |
536 | whichSec = 2; | |
537 | } | |
538 | else { | |
539 | edge1 = edgeFirst; | |
540 | edge2 = edgeLast; | |
541 | whichSec = 1; | |
542 | } | |
543 | } | |
544 | ||
545 | Standard_Real first, last; | |
546 | BRep_Tool::Range(edge1, first, last); | |
547 | BRep_Builder aBuilder; | |
548 | ||
549 | //To keep NM vertices on edge | |
550 | TopTools_SequenceOfShape aSeqNMVert; | |
551 | TColStd_SequenceOfReal aSeqNMPars; | |
552 | findNMVertices(edge1,aSeqNMVert,aSeqNMPars); | |
553 | findNMVertices(edge2,aSeqNMVert,aSeqNMPars); | |
554 | ||
555 | // Create new edge | |
556 | TopoDS_Edge edge; | |
557 | aBuilder.MakeEdge(edge); | |
558 | edge.Orientation( edge1.Orientation()); | |
559 | ||
560 | ||
561 | // Retrieve edge curve | |
562 | TopLoc_Location loc3d; | |
563 | Standard_Real first3d, last3d; | |
564 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(edge1, loc3d, first3d, last3d); | |
565 | if (!loc3d.IsIdentity()) { | |
566 | c3d = Handle(Geom_Curve)::DownCast(c3d->Copy()); | |
567 | c3d->Transform(loc3d.Transformation()); | |
568 | } | |
569 | aBuilder.UpdateEdge(edge,c3d,BRep_Tool::Tolerance(edge1)); | |
570 | aBuilder.Range(edge, first, last); | |
571 | aBuilder.SameRange(edge, Standard_False); //Standard_True | |
572 | aBuilder.SameParameter(edge, Standard_False); | |
573 | // Create and add new vertices | |
574 | { | |
575 | TopoDS_Vertex V1New, V2New; | |
576 | ||
577 | // Retrieve original vertices from edges | |
578 | TopoDS_Vertex V11,V12,V21,V22; | |
579 | TopExp::Vertices(edge1,V11,V12); | |
580 | TopExp::Vertices(edge2,V21,V22); | |
581 | ||
67ffcad0 G |
582 | //check that edges merged valid way (for edges having length less than specified |
583 | //tolerance | |
9781f215 G |
584 | // Check if edges are closed |
585 | Standard_Boolean isClosed1 = V11.IsSame(V12); | |
586 | Standard_Boolean isClosed2 = V21.IsSame(V22); | |
587 | if(!isClosed1 && !isClosed2) | |
2028d00c | 588 | { |
9781f215 G |
589 | if(secForward ) |
590 | { | |
591 | if( V11.IsSame(V22) || V12.IsSame(V21) ) | |
592 | return TopoDS_Edge(); | |
593 | } | |
594 | else | |
595 | { | |
596 | if( V11.IsSame(V21) || V12.IsSame(V22) ) | |
597 | return TopoDS_Edge(); | |
598 | } | |
2028d00c G |
599 | } |
600 | ||
7fd59977 | 601 | //szv: do not reshape here!!! |
602 | //V11 = TopoDS::Vertex(myReShape->Apply(V11)); | |
603 | //V12 = TopoDS::Vertex(myReShape->Apply(V12)); | |
604 | //V21 = TopoDS::Vertex(myReShape->Apply(V21)); | |
605 | //V22 = TopoDS::Vertex(myReShape->Apply(V22)); | |
606 | ||
607 | gp_Pnt p11 = BRep_Tool::Pnt(V11); | |
608 | gp_Pnt p12 = BRep_Tool::Pnt(V12); | |
609 | gp_Pnt p21 = BRep_Tool::Pnt(V21); | |
610 | gp_Pnt p22 = BRep_Tool::Pnt(V22); | |
611 | ||
9781f215 | 612 | |
7fd59977 | 613 | |
614 | //Standard_Boolean isRev = Standard_False; | |
615 | gp_Pnt pfirst; | |
616 | Standard_Real Tol1 = 0.; | |
617 | if (isClosed1 || isClosed2) { | |
618 | // at least one of the edges is closed | |
619 | if (isClosed1 && isClosed2) { | |
67ffcad0 G |
620 | // both edges are closed |
621 | pfirst.SetXYZ(0.5*(p11.XYZ() + p21.XYZ())); | |
7fd59977 | 622 | gp_Vec v1 = p21.XYZ() - p11.XYZ(); |
623 | Standard_Real d1 = v1.Magnitude(); | |
624 | Tol1 = ComputeToleranceVertex(d1,BRep_Tool::Tolerance(V11),BRep_Tool::Tolerance(V21)); | |
67ffcad0 | 625 | //Tol1 = Max(pfirst.Distance(p11),pfirst.Distance(p21)); |
7fd59977 | 626 | } |
627 | else if (isClosed1) { | |
67ffcad0 | 628 | // only first edge is closed |
7fd59977 | 629 | gp_XYZ pt =0.5*(p21.XYZ()+ p22.XYZ()); |
67ffcad0 | 630 | pfirst.SetXYZ(0.5*(p11.XYZ() + pt)); |
7fd59977 | 631 | gp_Vec v1 = p22.XYZ() - p21.XYZ(); |
632 | Standard_Real d1 = v1.Magnitude(); | |
633 | Tol1= ComputeToleranceVertex(d1,BRep_Tool::Tolerance(V22),BRep_Tool::Tolerance(V21)); | |
634 | gp_Vec v2 = p11.XYZ() - pt; | |
635 | Standard_Real d2 = v2.Magnitude(); | |
636 | Tol1= ComputeToleranceVertex(d2,Tol1,BRep_Tool::Tolerance(V11)); | |
67ffcad0 G |
637 | //Tol1 = Max(pfirst.Distance(p21),pfirst.Distance(p22)); |
638 | //Tol1 = Max(pfirst.Distance(p11),Tol1); | |
7fd59977 | 639 | } |
640 | else { | |
67ffcad0 | 641 | // only second edge is closed |
7fd59977 | 642 | gp_XYZ pt = 0.5*(p11.XYZ()+ p12.XYZ()); |
67ffcad0 | 643 | pfirst.SetXYZ(0.5*(p21.XYZ() + pt)); |
7fd59977 | 644 | gp_Vec v1 = p11.XYZ() - p12.XYZ(); |
645 | Standard_Real d1 = v1.Magnitude(); | |
646 | Tol1 = ComputeToleranceVertex(d1,BRep_Tool::Tolerance(V11),BRep_Tool::Tolerance(V12)); | |
647 | gp_Vec v2 = p21.XYZ() - pt; | |
648 | Standard_Real d2 = v2.Magnitude(); | |
649 | Tol1 = ComputeToleranceVertex(d2,Tol1,BRep_Tool::Tolerance(V21)); | |
67ffcad0 G |
650 | //Tol1 = Max(pfirst.Distance(p11),pfirst.Distance(p12)); |
651 | //Tol1 = Max(pfirst.Distance(p21),Tol1); | |
7fd59977 | 652 | } |
653 | aBuilder.MakeVertex(V1New,pfirst,Tol1); | |
654 | V2New = V1New; | |
655 | } | |
656 | else { | |
657 | // both edges are open | |
658 | gp_Pnt plast; | |
659 | Standard_Real Tol2 = 0.; | |
67ffcad0 G |
660 | Standard_Boolean isOldFirst = ( secForward ? V11.IsSame(V21) : V11.IsSame(V22) ); |
661 | Standard_Boolean isOldLast = ( secForward ? V12.IsSame(V22) : V12.IsSame(V21)) ; | |
7fd59977 | 662 | if (secForward) { |
67ffcad0 G |
663 | //case if vertices already sewed |
664 | if(!isOldFirst) | |
665 | { | |
666 | pfirst.SetXYZ(0.5*(p11.XYZ() + p21.XYZ())); | |
667 | gp_Vec v1 = p21.XYZ() - p11.XYZ(); | |
668 | Standard_Real d1 = v1.Magnitude(); | |
669 | Tol1 = ComputeToleranceVertex(d1,BRep_Tool::Tolerance(V11),BRep_Tool::Tolerance(V21)); | |
670 | } | |
671 | if(!isOldLast) | |
672 | { | |
673 | plast.SetXYZ(0.5*(p12.XYZ() + p22.XYZ())); | |
674 | ||
675 | gp_Vec v2 = p22.XYZ() - p12.XYZ(); | |
676 | Standard_Real d2 = v2.Magnitude(); | |
677 | ||
678 | Tol2 = ComputeToleranceVertex(d2,BRep_Tool::Tolerance(V12),BRep_Tool::Tolerance(V22)); | |
679 | } | |
7fd59977 | 680 | |
7fd59977 | 681 | } |
682 | else { | |
67ffcad0 G |
683 | if(!isOldFirst) |
684 | { | |
685 | pfirst.SetXYZ(0.5*(p11.XYZ() + p22.XYZ())); | |
686 | gp_Vec v1 = p22.XYZ() - p11.XYZ(); | |
687 | Standard_Real d1 = v1.Magnitude(); | |
688 | Tol1 = ComputeToleranceVertex(d1,BRep_Tool::Tolerance(V11),BRep_Tool::Tolerance(V22)); | |
689 | } | |
690 | if(!isOldLast) | |
691 | { | |
692 | plast.SetXYZ(0.5*(p12.XYZ() + p21.XYZ())); | |
693 | gp_Vec v2 = p21.XYZ() - p12.XYZ(); | |
694 | Standard_Real d2 = v2.Magnitude(); | |
695 | Tol2 = ComputeToleranceVertex(d2,BRep_Tool::Tolerance(V12),BRep_Tool::Tolerance(V21)); | |
696 | } | |
697 | ||
7fd59977 | 698 | } |
67ffcad0 G |
699 | if(!isOldFirst) |
700 | aBuilder.MakeVertex(V1New,pfirst,Tol1); | |
701 | else | |
702 | V1New = V11; | |
703 | ||
704 | ||
705 | if(!isOldLast) | |
706 | aBuilder.MakeVertex(V2New,plast,Tol2); | |
707 | else | |
708 | V2New = V12; | |
709 | ||
7fd59977 | 710 | } |
711 | ||
712 | // Add the vertices in the good sense | |
713 | TopoDS_Shape anEdge = edge.Oriented(TopAbs_FORWARD); | |
714 | TopoDS_Shape aLocalEdge = V1New.Oriented(TopAbs_FORWARD); //(listNode.First()).Oriented(TopAbs_FORWARD); | |
715 | aBuilder.Add(anEdge,aLocalEdge); | |
716 | aLocalEdge = V2New.Oriented(TopAbs_REVERSED); //(listNode.Last()).Oriented(TopAbs_REVERSED); | |
717 | aBuilder.Add(anEdge,aLocalEdge); | |
718 | ||
719 | Standard_Integer k =1; | |
720 | for( ; k <= aSeqNMVert.Length(); k++) | |
721 | aBuilder.Add(anEdge,aSeqNMVert.Value(k)); | |
722 | ||
723 | } | |
724 | ||
725 | // Retrieve second PCurves | |
726 | TopLoc_Location loc2; | |
727 | Handle(Geom_Surface) surf2; | |
47980104 | 728 | |
7fd59977 | 729 | //Handle(Geom2d_Curve) c2d2, c2d21; |
730 | // Standard_Real firstOld, lastOld; | |
731 | ||
732 | TopTools_ListIteratorOfListOfShape itf2; | |
733 | if (whichSec == 1) itf2.Initialize(listFacesLast); | |
734 | else itf2.Initialize(listFacesFirst); | |
735 | Standard_Boolean isResEdge = Standard_False; | |
0221b126 | 736 | TopoDS_Face fac2; |
7fd59977 | 737 | for (; itf2.More(); itf2.Next()) { |
738 | Handle(Geom2d_Curve) c2d2, c2d21; | |
739 | Standard_Real firstOld, lastOld; | |
0221b126 | 740 | fac2 = TopoDS::Face(itf2.Value()); |
7fd59977 | 741 | |
742 | surf2 = BRep_Tool::Surface(fac2, loc2); | |
743 | Standard_Boolean isSeam2 = ((IsUClosedSurface(surf2,edge2,loc2) || IsVClosedSurface(surf2,edge2,loc2)) && | |
67ffcad0 | 744 | BRep_Tool::IsClosed(TopoDS::Edge(edge2),fac2)); |
7fd59977 | 745 | if (isSeam2) { |
746 | if (!myNonmanifold) return TopoDS_Edge(); | |
747 | TopoDS_Shape aTmpShape = edge2.Reversed(); //for porting | |
748 | c2d21 = BRep_Tool::CurveOnSurface(TopoDS::Edge(aTmpShape), fac2, firstOld, lastOld); | |
749 | } | |
750 | c2d2 = BRep_Tool::CurveOnSurface(edge2, fac2, firstOld, lastOld); | |
751 | if (c2d2.IsNull() && c2d21.IsNull()) continue; | |
752 | ||
753 | if (!c2d21.IsNull()) { | |
754 | c2d21 = Handle(Geom2d_Curve)::DownCast(c2d21->Copy()); | |
755 | if (!secForward) { | |
67ffcad0 G |
756 | if (c2d21->IsKind(STANDARD_TYPE(Geom2d_Line))) |
757 | c2d21 = new Geom2d_TrimmedCurve(c2d21, firstOld, lastOld); | |
758 | Standard_Real first2d = firstOld; //c2dTmp->FirstParameter(); BUG USA60321 | |
759 | Standard_Real last2d = lastOld; //c2dTmp->LastParameter(); | |
760 | firstOld = c2d21->ReversedParameter(last2d); | |
761 | lastOld = c2d21->ReversedParameter(first2d); | |
762 | c2d21->Reverse(); | |
7fd59977 | 763 | } |
764 | c2d21 = SameRange(c2d21,firstOld,lastOld,first,last); | |
765 | } | |
766 | ||
767 | // Make second PCurve sameRange with the 3d curve | |
768 | c2d2 = Handle(Geom2d_Curve)::DownCast(c2d2->Copy()); | |
67ffcad0 | 769 | |
7fd59977 | 770 | if (!secForward) { |
771 | if (c2d2->IsKind(STANDARD_TYPE(Geom2d_Line))) | |
67ffcad0 G |
772 | c2d2 = new Geom2d_TrimmedCurve(c2d2, firstOld, lastOld); |
773 | Standard_Real first2d = firstOld; | |
774 | Standard_Real last2d = lastOld; | |
7fd59977 | 775 | firstOld = c2d2->ReversedParameter(last2d); |
776 | lastOld = c2d2->ReversedParameter(first2d); | |
777 | c2d2->Reverse(); | |
778 | } | |
779 | ||
780 | c2d2 = SameRange(c2d2,firstOld,lastOld,first,last); | |
781 | if (c2d2.IsNull()) continue; | |
67ffcad0 | 782 | |
7fd59977 | 783 | // Add second PCurve |
784 | Standard_Boolean isSeam = Standard_False; | |
785 | TopAbs_Orientation Ori = TopAbs_FORWARD; | |
786 | //Handle(Geom2d_Curve) c2d1, c2d11; | |
787 | ||
788 | TopTools_ListIteratorOfListOfShape itf1; | |
789 | if (whichSec == 1) itf1.Initialize(listFacesFirst); | |
790 | else itf1.Initialize(listFacesLast); | |
791 | for (; itf1.More() && !isSeam; itf1.Next()) { | |
792 | Handle(Geom2d_Curve) c2d1, c2d11; | |
793 | const TopoDS_Face& fac1 = TopoDS::Face(itf1.Value()); | |
794 | ||
795 | TopLoc_Location loc1; | |
796 | Handle(Geom_Surface) surf1 = BRep_Tool::Surface(fac1, loc1); | |
47980104 | 797 | |
7fd59977 | 798 | Standard_Real first2d, last2d; |
799 | Standard_Boolean isSeam1 = ((IsUClosedSurface(surf1,edge1,loc1) || IsVClosedSurface(surf1,edge1,loc1)) && | |
67ffcad0 | 800 | BRep_Tool::IsClosed(TopoDS::Edge(edge1),fac1)); |
7fd59977 | 801 | c2d1 = BRep_Tool::CurveOnSurface(edge1, fac1, first2d, last2d); |
802 | Ori = edge1.Orientation(); | |
803 | if (fac1.Orientation() == TopAbs_REVERSED) | |
804 | Ori = TopAbs::Reverse(Ori); | |
67ffcad0 | 805 | |
7fd59977 | 806 | if (isSeam1) { |
67ffcad0 | 807 | if (!myNonmanifold) return TopoDS_Edge(); |
7fd59977 | 808 | TopoDS_Shape aTmpShape = edge1.Reversed(); //for porting |
809 | c2d11 = BRep_Tool::CurveOnSurface(TopoDS::Edge(aTmpShape), fac1, first2d, last2d); | |
810 | //if(fac1.Orientation() == TopAbs_REVERSED) // | |
811 | if(Ori == TopAbs_FORWARD) | |
812 | aBuilder.UpdateEdge(edge,c2d1,c2d11,fac1,0); | |
813 | else | |
814 | aBuilder.UpdateEdge(edge,c2d11,c2d1,fac1,0); | |
815 | } | |
816 | else aBuilder.UpdateEdge(edge,c2d1,fac1,0); | |
7fd59977 | 817 | |
67ffcad0 | 818 | if (c2d1.IsNull() && c2d11.IsNull()) continue; |
7fd59977 | 819 | |
820 | if (surf2 == surf1) { | |
67ffcad0 G |
821 | // Merge sections which are on the same face |
822 | if (!loc2.IsDifferent(loc1)) { | |
823 | Standard_Boolean uclosed = IsUClosedSurface(surf2,edge2,loc2); | |
824 | Standard_Boolean vclosed = IsVClosedSurface(surf2,edge2,loc2); | |
825 | if (uclosed || vclosed) { | |
826 | Standard_Real pf = c2d1->FirstParameter(); | |
827 | // Standard_Real pl = c2d1->LastParameter(); | |
828 | gp_Pnt2d p1n = c2d1->Value(Max(first,pf)); | |
829 | // gp_Pnt2d p2n = c2d1->Value(Min(pl,last)); | |
7fd59977 | 830 | gp_Pnt2d p21n = c2d2->Value(Max(first,c2d2->FirstParameter())); |
831 | gp_Pnt2d p22n = c2d2->Value(Min(last,c2d2->LastParameter())); | |
832 | Standard_Real aDist = Min(p1n.Distance(p21n), p1n.Distance(p22n)); | |
67ffcad0 G |
833 | Standard_Real U1, U2, V1, V2; |
834 | surf2->Bounds(U1, U2, V1, V2); | |
835 | isSeam = ((uclosed && aDist > 0.75*(fabs(U2-U1))) || | |
836 | (vclosed && aDist > 0.75*(fabs(V2-V1)))); | |
7fd59977 | 837 | if( !isSeam && BRep_Tool::IsClosed(TopoDS::Edge(edge),fac1)) continue; |
67ffcad0 G |
838 | } |
839 | } | |
7fd59977 | 840 | } |
67ffcad0 | 841 | |
7fd59977 | 842 | isResEdge = Standard_True; |
843 | if (isSeam) { | |
844 | if (Ori == TopAbs_FORWARD) | |
845 | aBuilder.UpdateEdge(edge, c2d1, c2d2, surf2, loc2, Precision::Confusion()); | |
846 | else | |
847 | aBuilder.UpdateEdge(edge, c2d2, c2d1, surf2, loc2, Precision::Confusion()); | |
848 | } | |
849 | else if (isSeam2) { | |
850 | TopAbs_Orientation InitOri = edge2.Orientation(); | |
67ffcad0 | 851 | TopAbs_Orientation SecOri = edge.Orientation(); |
7fd59977 | 852 | if (fac2.Orientation() == TopAbs_REVERSED) { |
67ffcad0 | 853 | |
7fd59977 | 854 | InitOri = TopAbs::Reverse(InitOri); |
855 | SecOri = TopAbs::Reverse(SecOri); | |
856 | } | |
857 | if(!secForward) | |
858 | InitOri = TopAbs::Reverse(InitOri); | |
67ffcad0 | 859 | |
7fd59977 | 860 | if (InitOri == TopAbs_FORWARD) |
861 | aBuilder.UpdateEdge(edge, c2d2,c2d21, surf2, loc2, Precision::Confusion()); | |
862 | else | |
863 | aBuilder.UpdateEdge(edge, c2d21,c2d2, surf2, loc2, Precision::Confusion()); | |
864 | } | |
865 | else { | |
866 | aBuilder.UpdateEdge(edge, c2d2, surf2, loc2, Precision::Confusion()); | |
867 | } | |
67ffcad0 | 868 | |
7fd59977 | 869 | } |
870 | } | |
47980104 | 871 | Standard_Real tolReached = Precision::Infinite(); |
872 | Standard_Boolean isSamePar = Standard_False; | |
873 | if( isResEdge) | |
874 | { | |
7fd59977 | 875 | SameParameter(edge); |
47980104 | 876 | if( BRep_Tool::SameParameter(edge)) |
877 | { | |
878 | isSamePar = Standard_True; | |
879 | tolReached = BRep_Tool::Tolerance(edge); | |
880 | } | |
881 | } | |
882 | ||
883 | ||
884 | if (firstCall && ( !isResEdge || !isSamePar || tolReached > myTolerance)) { | |
7fd59977 | 885 | Standard_Integer whichSecn = whichSec; |
886 | // Try to merge on the second section | |
47980104 | 887 | Standard_Boolean second_ok = Standard_False; |
7fd59977 | 888 | TopoDS_Edge s_edge = SameParameterEdge(edgeFirst,edgeLast,listFacesFirst,listFacesLast, |
67ffcad0 | 889 | secForward,whichSecn,Standard_False); |
47980104 | 890 | if( !s_edge.IsNull()) |
891 | { | |
892 | Standard_Real tolReached_2 = BRep_Tool::Tolerance(s_edge); | |
893 | second_ok = ( BRep_Tool::SameParameter(s_edge) && tolReached_2 < tolReached ); | |
894 | if( second_ok) | |
895 | { | |
896 | edge = s_edge; | |
897 | whichSec = whichSecn; | |
0221b126 | 898 | tolReached = tolReached_2; |
47980104 | 899 | } |
7fd59977 | 900 | } |
901 | ||
47980104 | 902 | if (!second_ok && !edge.IsNull()) { |
7fd59977 | 903 | |
904 | GeomAdaptor_Curve c3dAdapt(c3d); | |
905 | ||
906 | // Discretize edge curve | |
0221b126 | 907 | Standard_Integer i, j, nbp = 23; |
7fd59977 | 908 | Standard_Real deltaT = (last3d - first3d) / (nbp + 1); |
909 | TColgp_Array1OfPnt c3dpnt(1,nbp); | |
0221b126 | 910 | for (i = 1; i <= nbp; i++) |
911 | c3dpnt(i) = c3dAdapt.Value(first3d + i*deltaT); | |
7fd59977 | 912 | |
0221b126 | 913 | Standard_Real dist = 0., maxTol = -1.0; |
7fd59977 | 914 | Standard_Boolean more = Standard_True; |
915 | ||
916 | for (j = 1; more; j++) { | |
917 | Handle(Geom2d_Curve) c2d2; | |
67ffcad0 | 918 | BRep_Tool::CurveOnSurface(edge, c2d2, surf2, loc2, first, last, j); |
0221b126 | 919 | |
67ffcad0 G |
920 | more = !c2d2.IsNull(); |
921 | if (more) { | |
0221b126 | 922 | Handle(Geom_Surface) aS = surf2; |
923 | if(!loc2.IsIdentity()) | |
924 | aS = Handle(Geom_Surface)::DownCast(surf2->Transformed ( loc2 )); | |
67ffcad0 | 925 | |
0221b126 | 926 | Standard_Real dist2 = 0.; |
67ffcad0 G |
927 | deltaT = (last - first) / (nbp + 1); |
928 | for (i = 1; i <= nbp; i++) { | |
0221b126 | 929 | gp_Pnt2d aP2d = c2d2->Value(first + i*deltaT); |
930 | gp_Pnt aP2(0.,0.,0.); | |
931 | aS->D0(aP2d.X(),aP2d.Y(), aP2); | |
932 | gp_Pnt aP1 = c3dpnt(i); | |
933 | dist = aP2.SquareDistance(aP1); | |
934 | if (dist > dist2) | |
935 | dist2 = dist; | |
67ffcad0 | 936 | } |
0221b126 | 937 | maxTol = Max(sqrt(dist2), Precision::Confusion()); |
67ffcad0 | 938 | } |
7fd59977 | 939 | } |
0221b126 | 940 | if(maxTol >= 0. && maxTol < tolReached) |
941 | aBuilder.UpdateEdge(edge, maxTol); | |
7fd59977 | 942 | aBuilder.SameParameter(edge,Standard_True); |
943 | } | |
944 | } | |
945 | ||
946 | BRepLib::EncodeRegularity(edge,0.01); | |
947 | Standard_Real tolEdge1 = BRep_Tool::Tolerance(edge); | |
948 | if (tolEdge1 > MaxTolerance()) edge.Nullify(); | |
949 | return edge; | |
950 | } | |
951 | ||
952 | //======================================================================= | |
953 | // function : EvaluateAngulars | |
954 | // purpose : internal use | |
955 | //======================================================================= | |
956 | ||
957 | void BRepBuilderAPI_Sewing::EvaluateAngulars(TopTools_SequenceOfShape& sequenceSec, | |
958 | TColStd_Array1OfBoolean& secForward, | |
959 | TColStd_Array1OfReal& tabAng, | |
960 | const Standard_Integer indRef) const | |
961 | { | |
962 | tabAng.Init(-1.0); | |
963 | ||
964 | Standard_Integer i, j, npt = 4, lengSec = sequenceSec.Length(); | |
965 | ||
966 | TopoDS_Edge edge; | |
967 | TopoDS_Face face; | |
968 | TopLoc_Location loc; | |
969 | Standard_Real first, last; | |
970 | Handle(Geom_Curve) c3d; | |
971 | Handle(Geom2d_Curve) c2d; | |
972 | Handle(Geom_Surface) surf; | |
973 | TColgp_Array1OfVec normRef(1,npt); | |
974 | ||
975 | for (i = indRef; i <= lengSec; i++) { | |
976 | ||
977 | edge = TopoDS::Edge(sequenceSec(i)); | |
978 | ||
979 | TopoDS_Shape bnd = edge; | |
980 | if (mySectionBound.IsBound(bnd)) bnd = mySectionBound(bnd); | |
981 | if (myBoundFaces.Contains(bnd)) { | |
982 | face = TopoDS::Face(myBoundFaces.FindFromKey(bnd).First()); | |
983 | surf = BRep_Tool::Surface(face,loc); | |
984 | if (!loc.IsIdentity()) { | |
985 | surf = Handle(Geom_Surface)::DownCast(surf->Copy()); | |
986 | surf->Transform(loc.Transformation()); | |
987 | } | |
988 | c2d = BRep_Tool::CurveOnSurface(edge, face, first, last); | |
989 | } | |
990 | else if (i == indRef) return; | |
991 | else continue; | |
992 | ||
993 | c3d = BRep_Tool::Curve(edge, loc, first, last); | |
994 | if (!loc.IsIdentity()) { | |
995 | c3d = Handle(Geom_Curve)::DownCast(c3d->Copy()); | |
996 | c3d->Transform(loc.Transformation()); | |
997 | } | |
998 | ||
999 | GeomAdaptor_Curve adapt(c3d); | |
1000 | GCPnts_UniformAbscissa uniAbs(adapt, npt, first, last); | |
1001 | ||
1002 | Standard_Real cumulateAngular = 0.0; | |
1003 | Standard_Integer nbComputedAngle = 0; | |
1004 | ||
1005 | for (j = 1; j <= npt; j++) { | |
1006 | gp_Pnt2d P; | |
1007 | c2d->D0(uniAbs.Parameter((secForward(i) || i == indRef)? j : npt-j+1),P); | |
1008 | gp_Vec w1, w2; | |
1009 | gp_Pnt unused; | |
1010 | surf->D1(P.X(), P.Y(), unused, w1, w2); | |
1011 | gp_Vec n = w1^w2; // Compute the normal vector | |
1012 | if (i == indRef) normRef(j) = n; | |
1013 | else if ((n.Magnitude()>gp::Resolution()) && (normRef(j).Magnitude()>gp::Resolution())) { | |
1014 | nbComputedAngle++; | |
1015 | Standard_Real angular = n.Angle(normRef(j)); | |
c6541a0c | 1016 | if (angular > M_PI/2.) angular = M_PI - angular; |
7fd59977 | 1017 | cumulateAngular += angular; |
1018 | } | |
1019 | } | |
1020 | ||
1021 | if (nbComputedAngle) | |
1022 | tabAng(i) = cumulateAngular/((Standard_Real)nbComputedAngle); | |
1023 | } | |
1024 | } | |
1025 | ||
1026 | //======================================================================= | |
1027 | // function : EvaluateDistances | |
1028 | // purpose : internal use | |
1029 | // Evaluate distance beetween edges with indice indRef and the following edges in the list | |
1030 | // Remarks (lengSec - indRef) must be >= 1 | |
1031 | //======================================================================= | |
7fd59977 | 1032 | void BRepBuilderAPI_Sewing::EvaluateDistances(TopTools_SequenceOfShape& sequenceSec, |
1033 | TColStd_Array1OfBoolean& secForward, | |
1034 | TColStd_Array1OfReal& tabDst, | |
1035 | TColStd_Array1OfReal& arrLen, | |
1036 | TColStd_Array1OfReal& tabMinDist, | |
1037 | const Standard_Integer indRef) const | |
1038 | { | |
1039 | secForward.Init(Standard_True); | |
1040 | tabDst.Init(-1.0); | |
1041 | arrLen.Init(0.); | |
2028d00c | 1042 | tabMinDist.Init(Precision::Infinite()); |
7fd59977 | 1043 | const Standard_Integer npt = 8; // Number of points for curve discretization |
1044 | TColgp_Array1OfPnt ptsRef(1, npt), ptsSec(1, npt); | |
1045 | ||
1046 | Standard_Integer i, j, lengSec = sequenceSec.Length(); | |
1047 | TColgp_SequenceOfPnt seqSec; | |
1048 | ||
1049 | Handle(Geom_Curve) c3dRef; | |
1050 | Standard_Real firstRef=0., lastRef=0.; | |
67ffcad0 | 1051 | |
7fd59977 | 1052 | for (i = indRef; i <= lengSec; i++) { |
1053 | ||
1054 | // reading of the edge (attention for the first one: reference) | |
1055 | const TopoDS_Edge& sec = TopoDS::Edge(sequenceSec(i)); | |
1056 | ||
1057 | TopLoc_Location loc; | |
1058 | Standard_Real first, last; | |
1059 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(sec, loc, first, last); | |
de10d8b1 | 1060 | if (c3d.IsNull()) continue; |
7fd59977 | 1061 | if (!loc.IsIdentity()) { |
1062 | c3d = Handle(Geom_Curve)::DownCast(c3d->Copy()); | |
1063 | c3d->Transform(loc.Transformation()); | |
1064 | } | |
1065 | ||
1066 | if (i == indRef) { | |
1067 | c3dRef = c3d; firstRef = first; lastRef = last; | |
1068 | } | |
1069 | ||
2028d00c | 1070 | Standard_Real dist = Precision::Infinite(), distFor = -1.0, distRev = -1.0; |
7fd59977 | 1071 | Standard_Real aMinDist = Precision::Infinite(); |
1072 | ||
1073 | Standard_Real T, deltaT = (last - first) / (npt - 1); | |
1074 | Standard_Real aLenSec2 = 0.; | |
67ffcad0 G |
1075 | |
1076 | Standard_Integer nbFound = 0; | |
7fd59977 | 1077 | for (j = 1; j <= npt; j++) { |
1078 | ||
1079 | // Uniform parameter on curve | |
1080 | if (j == 1) T = first; | |
1081 | else if (j == npt) T = last; | |
1082 | else T = first + (j - 1) * deltaT; | |
1083 | ||
1084 | // Take point on curve | |
1085 | gp_Pnt pt = c3d->Value(T); | |
2028d00c | 1086 | |
7fd59977 | 1087 | if (i == indRef) { |
1088 | ptsRef(j) = pt; | |
2028d00c G |
1089 | if(j > 1) |
1090 | aLenSec2 += pt.SquareDistance(ptsRef(j-1)); | |
7fd59977 | 1091 | } |
1092 | else { | |
1093 | ptsSec(j) = pt; | |
1094 | //protection to avoid merging with small sections | |
2028d00c | 1095 | if(j > 1) |
7fd59977 | 1096 | aLenSec2 += pt.SquareDistance(ptsSec(j-1)); |
1097 | // To evaluate mutual orientation and distance | |
1098 | dist = pt.Distance(ptsRef(j)); | |
1099 | if(aMinDist > dist) | |
1100 | aMinDist = dist; | |
1101 | if (distFor < dist) distFor = dist; | |
1102 | dist = pt.Distance(ptsRef(npt-j+1)); | |
2028d00c | 1103 | |
7fd59977 | 1104 | if(aMinDist > dist) |
1105 | aMinDist = dist; | |
1106 | if (distRev < dist) distRev = dist; | |
2028d00c G |
1107 | |
1108 | // Check that point lays between vertices of reference curve | |
1109 | const gp_Pnt &p11 = ptsRef(1); | |
1110 | const gp_Pnt &p12 = ptsRef(npt); | |
1111 | const gp_Vec aVec1(pt,p11); | |
1112 | const gp_Vec aVec2(pt,p12); | |
1113 | const gp_Vec aVecRef(p11,p12); | |
1114 | if((aVecRef * aVec1) * (aVecRef * aVec2) < 0.) | |
1115 | nbFound++; | |
7fd59977 | 1116 | } |
1117 | } | |
1118 | ||
1119 | Standard_Real aLenSec = sqrt(aLenSec2); | |
1120 | ||
1121 | //if(aLenSec < myMinTolerance ) | |
1122 | // continue; | |
1123 | arrLen.SetValue(i,aLenSec); | |
1124 | // Record mutual orientation | |
1125 | Standard_Boolean isForward = (distFor < distRev); //szv debug: <= | |
1126 | secForward(i) = isForward; | |
1127 | ||
1128 | dist = (isForward? distFor : distRev); | |
2028d00c G |
1129 | if(i == indRef || (dist < myTolerance && nbFound >= npt * 0.5) ) |
1130 | { | |
7fd59977 | 1131 | tabDst(i) = dist; |
1132 | tabMinDist(i) = aMinDist; | |
7fd59977 | 1133 | } |
2028d00c G |
1134 | else |
1135 | { | |
1136 | nbFound = 0, aMinDist = Precision::Infinite(), dist = -1; | |
1137 | TColgp_Array1OfPnt arrProj(1, npt); | |
1138 | TColStd_Array1OfReal arrDist(1, npt), arrPara(1, npt); | |
1139 | if( arrLen(indRef) >= arrLen(i)) | |
1140 | ProjectPointsOnCurve(ptsSec,c3dRef,firstRef,lastRef,arrDist,arrPara,arrProj,Standard_False); | |
1141 | else | |
1142 | ProjectPointsOnCurve(ptsRef,c3d,first,last,arrDist,arrPara,arrProj,Standard_False); | |
1143 | for( j = 1; j <= npt; j++ ) | |
1144 | { | |
2c896b8f | 1145 | if(arrDist(j) < 0.) |
2028d00c G |
1146 | continue; |
1147 | if(dist < arrDist(j)) | |
1148 | dist = arrDist(j); | |
1149 | if( aMinDist > arrDist(j)) | |
1150 | aMinDist = arrDist(j); | |
1151 | nbFound++; | |
1152 | } | |
1153 | if(nbFound > 1) | |
1154 | { | |
1155 | tabDst(i) = dist; | |
1156 | tabMinDist(i) = aMinDist; | |
1157 | } | |
7fd59977 | 1158 | } |
1159 | } | |
1160 | ||
2028d00c | 1161 | /* |
7fd59977 | 1162 | // Project distant points |
1163 | Standard_Integer nbFailed = seqSec.Length(); | |
1164 | if (!nbFailed) return; | |
1165 | ||
1166 | TColgp_Array1OfPnt arrPnt(1, nbFailed), arrProj(1, nbFailed); | |
1167 | for (i = 1; i <= nbFailed; i++) arrPnt(i) = seqSec(i); seqSec.Clear(); | |
1168 | TColStd_Array1OfReal arrDist(1, nbFailed), arrPara(1, nbFailed); | |
1169 | ||
2028d00c | 1170 | ProjectPointsOnCurve(arrPnt,c3dRef,firstRef,lastRef,arrDist,arrPara,arrProj,Standard_False); |
7fd59977 | 1171 | |
1172 | // Process distant sections | |
1173 | Standard_Integer idx1 = 1; | |
1174 | for (i = indRef + 1; i <= lengSec; i++) { | |
1175 | ||
1176 | // Skip section if already evaluated | |
1177 | if (tabDst(i) >= 0.0) continue; | |
1178 | ||
1179 | Standard_Real dist, distMax = -1.0, aMinDist = Precision::Infinite(); | |
1180 | ||
1181 | Standard_Integer idx2 = (idx1 - 1)*npt; | |
1182 | ||
1183 | for (j = 1; j <= npt; j++) { | |
1184 | ||
1185 | dist = arrDist(idx2 + j); | |
1186 | // If point is not projected - stop evaluation | |
1187 | if (dist < 0.0) { distMax = -1.0; break; } | |
1188 | if (distMax < dist) distMax = dist; | |
1189 | if(aMinDist > dist) aMinDist = dist; | |
1190 | } | |
1191 | ||
1192 | // If section is close - record distance | |
1193 | if (distMax >= 0.0) { | |
1194 | if (secForward(i)) { | |
1195 | dist = arrPnt(idx2+1).Distance(ptsRef(1)); | |
1196 | if (distMax < dist) distMax = dist; | |
1197 | if(aMinDist > dist) aMinDist = dist; | |
1198 | dist = arrPnt(idx2+npt).Distance(ptsRef(npt)); | |
1199 | if (distMax < dist) distMax = dist; | |
1200 | if(aMinDist > dist) aMinDist = dist; | |
1201 | } | |
1202 | else { | |
1203 | dist = arrPnt(idx2+1).Distance(ptsRef(npt)); | |
1204 | if (distMax < dist) distMax = dist; | |
1205 | if(aMinDist > dist) aMinDist = dist; | |
1206 | dist = arrPnt(idx2+npt).Distance(ptsRef(1)); | |
1207 | if (distMax < dist) distMax = dist; | |
1208 | if(aMinDist > dist) aMinDist = dist; | |
1209 | } | |
1210 | ||
1211 | if (distMax < myTolerance) | |
1212 | { | |
1213 | tabDst(i) = distMax; | |
1214 | tabMinDist(i) = aMinDist; | |
1215 | } | |
1216 | } | |
1217 | ||
1218 | idx1++; // To the next distant curve | |
2028d00c | 1219 | }*/ |
7fd59977 | 1220 | } |
1221 | ||
1222 | //======================================================================= | |
1223 | //function : IsMergedClosed | |
1224 | //purpose : internal use | |
1225 | //======================================================================= | |
1226 | ||
1227 | Standard_Boolean BRepBuilderAPI_Sewing::IsMergedClosed(const TopoDS_Edge& Edge1, | |
1228 | const TopoDS_Edge& Edge2, | |
1229 | const TopoDS_Face& face) const | |
1230 | { | |
1231 | // Check for closed surface | |
1232 | TopLoc_Location loc; | |
1233 | Handle(Geom_Surface) surf = BRep_Tool::Surface(face,loc); | |
1234 | Standard_Boolean isUClosed = IsUClosedSurface(surf,Edge1,loc); | |
1235 | Standard_Boolean isVClosed = IsVClosedSurface(surf,Edge1,loc); | |
1236 | if (!isUClosed && !isVClosed) return Standard_False; | |
1237 | // Check condition on closed surface | |
1238 | /* | |
1239 | Standard_Real first1,last1,first2,last2; | |
1240 | Handle(Geom_Curve) C3d1 = BRep_Tool::Curve(Edge1,first1,last1); | |
1241 | Handle(Geom_Curve) C3d2 = BRep_Tool::Curve(Edge2,first2,last2); | |
1242 | if (C3d1.IsNull() || C3d2.IsNull()) return Standard_False; | |
1243 | */ | |
1244 | Standard_Real first2d1,last2d1,first2d2,last2d2; | |
1245 | Handle(Geom2d_Curve) C2d1 = BRep_Tool::CurveOnSurface(Edge1,face,first2d1,last2d1); | |
1246 | Handle(Geom2d_Curve) C2d2 = BRep_Tool::CurveOnSurface(Edge2,face,first2d2,last2d2); | |
1247 | if (C2d1.IsNull() || C2d2.IsNull()) return Standard_False; | |
1248 | /* | |
1249 | gp_Pnt p1 = C3d1->Value(0.5*(first1 + last1)); | |
1250 | gp_Pnt p2 = C3d1->Value(0.5*(first2 + last2)); | |
1251 | Standard_Real dist = p1.Distance(p2); | |
1252 | gp_Pnt2d p12d = C2d1->Value(0.5*(first2d1 + last2d1)); | |
1253 | gp_Pnt2d p22d = C2d1->Value(0.5*(first2d2 + last2d2)); | |
1254 | Standard_Real dist2d = p12d.Distance(p22d); | |
1255 | GeomAdaptor_Surface Ads(BRep_Tool::Surface(face)); | |
1256 | Standard_Real distSurf = Max(Ads.UResolution(dist), Ads.VResolution(dist)); | |
1257 | return (dist2d*0.2 >= distSurf); | |
1258 | */ | |
1259 | Standard_Integer isULongC1, isULongC2, isVLongC1, isVLongC2; | |
1260 | Standard_Real SUmin, SUmax, SVmin, SVmax; | |
1261 | Standard_Real C1Umin, C1Vmin, C1Umax, C1Vmax; | |
1262 | Standard_Real C2Umin, C2Vmin, C2Umax, C2Vmax; | |
1263 | { //szv: Use brackets to destroy local variables | |
1264 | Bnd_Box2d B1, B2; | |
1265 | Geom2dAdaptor_Curve aC2d1(C2d1), aC2d2(C2d2); | |
1266 | BndLib_Add2dCurve::Add(aC2d1,first2d1,last2d1,Precision::PConfusion(),B1); | |
1267 | BndLib_Add2dCurve::Add(aC2d2,first2d2,last2d2,Precision::PConfusion(),B2); | |
1268 | B1.Get(C1Umin,C1Vmin,C1Umax,C1Vmax); | |
1269 | B2.Get(C2Umin,C2Vmin,C2Umax,C2Vmax); | |
1270 | Standard_Real du, dv; | |
1271 | du = (C1Umax - C1Umin); dv = (C1Vmax - C1Vmin); | |
1272 | isULongC1 = (dv <= du); isVLongC1 = (du <= dv); | |
1273 | du = (C2Umax - C2Umin); dv = (C2Vmax - C2Vmin); | |
1274 | isULongC2 = (dv <= du); isVLongC2 = (du <= dv); | |
1275 | surf->Bounds(SUmin,SUmax,SVmin,SVmax); | |
1276 | } | |
1277 | if (isUClosed && isVLongC1 && isVLongC2) { | |
1278 | // Do not merge if not overlapped by V | |
1279 | Standard_Real dist = Max((C2Vmin - C1Vmax),(C1Vmin - C2Vmax)); | |
1280 | if (dist < 0.0) { | |
1281 | Standard_Real distInner = Max((C2Umin - C1Umax),(C1Umin - C2Umax)); | |
1282 | Standard_Real distOuter = (SUmax - SUmin) - Max((C2Umax - C1Umin),(C1Umax - C2Umin)); | |
1283 | if (distOuter <= distInner) return Standard_True; | |
1284 | } | |
1285 | } | |
1286 | if (isVClosed && isULongC1 && isULongC2) { | |
1287 | // Do not merge if not overlapped by U | |
1288 | Standard_Real dist = Max((C2Umin - C1Umax),(C1Umin - C2Umax)); | |
1289 | if (dist < 0.0) { | |
1290 | Standard_Real distInner = Max((C2Vmin - C1Vmax),(C1Vmin - C2Vmax)); | |
1291 | Standard_Real distOuter = (SVmax - SVmin) - Max((C2Vmax - C1Vmin),(C1Vmax - C2Vmin)); | |
1292 | if (distOuter <= distInner) return Standard_True; | |
1293 | } | |
1294 | } | |
1295 | return Standard_False; | |
1296 | } | |
1297 | ||
1298 | //======================================================================= | |
1299 | //function : AnalysisNearestEdges | |
1300 | //purpose : | |
1301 | //======================================================================= | |
1302 | ||
1303 | void BRepBuilderAPI_Sewing::AnalysisNearestEdges(const TopTools_SequenceOfShape& sequenceSec, | |
1304 | TColStd_SequenceOfInteger& seqIndCandidate, | |
1305 | TColStd_SequenceOfInteger& seqOrientations, | |
1306 | const Standard_Boolean evalDist) | |
1307 | { | |
1308 | ||
1309 | Standard_Integer workIndex = seqIndCandidate.First(); | |
1310 | TopoDS_Shape workedge = sequenceSec.Value(workIndex); | |
1311 | TopoDS_Shape bnd = workedge; | |
1312 | TopTools_ListOfShape workfaces; | |
1313 | if (mySectionBound.IsBound(bnd)) bnd = mySectionBound(bnd); | |
1314 | if (myBoundFaces.Contains(bnd)) | |
1315 | workfaces = myBoundFaces.FindFromKey(bnd); | |
1316 | if(workfaces.IsEmpty()) return; | |
1317 | TopTools_MapOfShape mapFaces; | |
1318 | TopTools_ListIteratorOfListOfShape lIt; | |
1319 | for (lIt.Initialize(workfaces); lIt.More(); lIt.Next()) | |
1320 | mapFaces.Add(lIt.Value()); | |
1321 | TColStd_SequenceOfInteger seqNotCandidate; | |
1322 | TColStd_SequenceOfInteger seqNewForward; | |
1323 | // Separates edges belonging the same face as work edge | |
1324 | // for exception of edges belonging closed faces | |
1325 | ||
1326 | seqNotCandidate.Append(workIndex); | |
1327 | for(Standard_Integer i = 1; i<= seqIndCandidate.Length(); ) { | |
1328 | Standard_Integer index = seqIndCandidate.Value(i); | |
1329 | Standard_Boolean isRemove = Standard_False; | |
1330 | if(index == workIndex) { | |
1331 | seqIndCandidate.Remove(i); | |
1332 | seqOrientations.Remove(i); | |
1333 | isRemove = Standard_True; | |
1334 | } | |
1335 | if(!isRemove) { | |
1336 | TopoDS_Shape bnd2 = sequenceSec.Value(index); | |
1337 | if (mySectionBound.IsBound(bnd2)) bnd2 = mySectionBound(bnd2); | |
1338 | ||
1339 | if(myBoundFaces.Contains(bnd2)) { | |
1340 | const TopTools_ListOfShape& listfaces = myBoundFaces.FindFromKey(bnd2); | |
1341 | Standard_Boolean isMerged = Standard_True; | |
1342 | for (lIt.Initialize(listfaces); lIt.More() && isMerged; lIt.Next()) { | |
1343 | if(mapFaces.Contains(lIt.Value())) { | |
1344 | TopLoc_Location loc; | |
1345 | Handle(Geom_Surface) surf = BRep_Tool::Surface(TopoDS::Face(lIt.Value()),loc); | |
1346 | isMerged = ((IsUClosedSurface(surf,bnd2,loc) || IsVClosedSurface(surf,bnd2,loc)) && | |
1347 | IsMergedClosed(TopoDS::Edge(sequenceSec.Value(index)),TopoDS::Edge(workedge),TopoDS::Face(lIt.Value()))); | |
1348 | } | |
1349 | } | |
1350 | if(!isMerged) { | |
1351 | seqNotCandidate.Append(index); | |
1352 | seqIndCandidate.Remove(i); | |
1353 | seqOrientations.Remove(i); | |
1354 | isRemove = Standard_True; | |
1355 | } | |
1356 | } | |
1357 | else { | |
1358 | seqIndCandidate.Remove(i); | |
1359 | seqOrientations.Remove(i); | |
1360 | isRemove = Standard_True; | |
1361 | } | |
1362 | } | |
1363 | if(!isRemove) i++; | |
1364 | } | |
1365 | if(seqIndCandidate.Length() == 0 || seqNotCandidate.Length() == 1) return; | |
1366 | if(!evalDist) return; | |
1367 | TColStd_Array2OfReal TotTabDist(1,seqNotCandidate.Length(),1,seqIndCandidate.Length()); | |
1368 | TColStd_MapOfInteger MapIndex; | |
1369 | TColStd_SequenceOfInteger seqForward; | |
1370 | ||
1371 | // Definition and removing edges wich are not candidate for work edge | |
1372 | // ( they have other nearest edges belonging to the work face) | |
1373 | for(Standard_Integer k = 1; k<= seqNotCandidate.Length(); k++) { | |
1374 | Standard_Integer index1 = seqNotCandidate.Value(k); | |
1375 | TopoDS_Shape edge = sequenceSec.Value(index1); | |
1376 | TopTools_SequenceOfShape tmpSeq; | |
1377 | tmpSeq.Append(edge); | |
1378 | for(Standard_Integer kk = 1; kk <= seqIndCandidate.Length();kk++) | |
1379 | tmpSeq.Append(sequenceSec.Value(seqIndCandidate.Value(kk))); | |
1380 | ||
1381 | Standard_Integer lengSec = tmpSeq.Length(); | |
1382 | TColStd_Array1OfBoolean tabForward(1,lengSec); | |
1383 | TColStd_Array1OfReal tabDist(1,lengSec); | |
1384 | TColStd_Array1OfReal arrLen(1,lengSec); | |
1385 | TColStd_Array1OfReal tabMinDist(1,lengSec); | |
1386 | for (Standard_Integer i1 = 1 ; i1 <= lengSec; i1++) | |
1387 | tabDist(i1) =-1; | |
1388 | ||
1389 | EvaluateDistances(tmpSeq,tabForward, tabDist,arrLen,tabMinDist,1 ); | |
1390 | if(k == 1) { | |
1391 | for(Standard_Integer n = 1; n < lengSec; n++) { | |
1392 | if(tabDist(n+1) == -1 || tabDist(n+1) > myTolerance) { | |
1393 | MapIndex.Add(n); | |
1394 | continue; | |
1395 | } | |
1396 | TotTabDist(k,n) = tabDist(n+1 ); | |
1397 | seqForward.Append(tabForward(n+1) ? 1:0); | |
1398 | } | |
1399 | } | |
1400 | else { | |
1401 | for(Standard_Integer n = 1; n < lengSec; n++) { | |
1402 | if(tabDist(n) == -1 || tabDist(n) > myTolerance) continue; | |
1403 | if(tabDist(n+1) < TotTabDist(1,n)) { | |
1404 | MapIndex.Add(n); | |
1405 | } | |
1406 | } | |
1407 | } | |
1408 | ||
1409 | } | |
1410 | ||
1411 | Standard_Integer i2 = seqIndCandidate.Length(); | |
1412 | for( ; i2 >=1 ; i2--) | |
1413 | { | |
1414 | if(MapIndex.Contains(i2)) | |
1415 | { | |
1416 | seqIndCandidate.Remove(i2); | |
1417 | seqOrientations.Remove(i2); | |
1418 | } | |
1419 | ||
1420 | } | |
1421 | //for(TColStd_MapIteratorOfMapOfInteger IMap(MapIndex); IMap.More(); IMap.Next()) { | |
1422 | // seqIndCandidate.Remove(IMap.Key()); | |
1423 | // seqOrientations.Remove(IMap.Key()); | |
1424 | //} | |
1425 | } | |
1426 | ||
1427 | //======================================================================= | |
1428 | //function : FindCandidates | |
1429 | //purpose : internal use | |
1430 | //======================================================================= | |
1431 | ||
1432 | Standard_Boolean BRepBuilderAPI_Sewing::FindCandidates(TopTools_SequenceOfShape& seqSections, | |
1433 | TColStd_IndexedMapOfInteger& mapReference, | |
1434 | TColStd_SequenceOfInteger& seqCandidates, | |
1435 | TColStd_SequenceOfInteger& seqOrientations) | |
1436 | { | |
1437 | Standard_Integer i, nbSections = seqSections.Length(); | |
1438 | if(nbSections <= 1) | |
1439 | return Standard_False; | |
1440 | // Retrieve last reference index | |
1441 | Standard_Integer indReference = mapReference(mapReference.Extent()); | |
1442 | Standard_Integer nbCandidates = 0; | |
1443 | TopTools_MapOfShape Faces1; | |
1444 | //if (nbSections > 1) { | |
1445 | ||
1446 | TopoDS_Edge Edge1 = TopoDS::Edge(seqSections(indReference)); | |
1447 | ||
1448 | // Retrieve faces for reference section | |
1449 | ||
1450 | { //szv: Use brackets to destroy local variables | |
1451 | TopoDS_Shape bnd = Edge1; | |
1452 | if (mySectionBound.IsBound(bnd)) bnd = mySectionBound(bnd); | |
1453 | if (myBoundFaces.Contains(bnd)) { | |
1454 | TopTools_ListIteratorOfListOfShape itf1(myBoundFaces.FindFromKey(bnd)); | |
1455 | for (; itf1.More(); itf1.Next()) Faces1.Add(itf1.Value()); | |
1456 | } | |
1457 | } | |
1458 | ||
1459 | // Check merging conditions for candidates and remove unsatisfactory | |
1460 | TopTools_SequenceOfShape seqSectionsNew; | |
1461 | TColStd_SequenceOfInteger seqCandidatesNew; | |
1462 | for (i = 1; i <= nbSections; i++) { | |
1463 | if (i == indReference) { | |
1464 | seqSectionsNew.Prepend(Edge1); | |
1465 | seqCandidatesNew.Prepend(i); | |
1466 | } | |
1467 | else { | |
1468 | const TopoDS_Edge& Edge2 = TopoDS::Edge(seqSections(i)); | |
7fd59977 | 1469 | seqSectionsNew.Append(Edge2); |
1470 | seqCandidatesNew.Append(i); | |
7fd59977 | 1471 | } |
1472 | } | |
1473 | ||
1474 | Standard_Integer nbSectionsNew = seqSectionsNew.Length(); | |
1475 | if (nbSectionsNew > 1) { | |
5a29f57e | 1476 | |
7fd59977 | 1477 | // Evaluate distances between reference and other sections |
1478 | TColStd_Array1OfBoolean arrForward(1,nbSectionsNew); | |
1479 | TColStd_Array1OfReal arrDistance(1,nbSectionsNew); | |
1480 | TColStd_Array1OfReal arrLen(1,nbSectionsNew); | |
1481 | TColStd_Array1OfReal arrMinDist(1,nbSectionsNew); | |
1482 | EvaluateDistances(seqSectionsNew,arrForward,arrDistance,arrLen,arrMinDist,1); | |
5a29f57e | 1483 | |
7fd59977 | 1484 | // Fill sequence of candidate indices sorted by distance |
1485 | for (i = 2; i <= nbSectionsNew; i++) { | |
5a29f57e | 1486 | Standard_Real aMaxDist = arrDistance(i); |
1487 | if (aMaxDist >= 0.0 && aMaxDist <= myTolerance && arrLen(i) > myMinTolerance) { | |
1488 | ||
7fd59977 | 1489 | // Reference section is connected to section #i |
1490 | Standard_Boolean isInserted = Standard_False; | |
1491 | Standard_Integer j, ori = (arrForward(i)? 1 : 0); | |
1492 | for (j = 1; (j <= seqCandidates.Length()) && !isInserted; j++) { | |
7fd59977 | 1493 | Standard_Real aDelta = arrDistance(i) - arrDistance(seqCandidates.Value(j)); |
5a29f57e | 1494 | |
7fd59977 | 1495 | if( aDelta < Precision::Confusion()) { |
1496 | ||
1497 | if(fabs(aDelta) > RealSmall() || | |
1498 | arrMinDist(i) < arrMinDist(seqCandidates.Value(j))) | |
1499 | { | |
1500 | seqCandidates.InsertBefore(j,i); | |
1501 | seqOrientations.InsertBefore(j,ori); | |
1502 | isInserted = Standard_True; | |
1503 | } | |
1504 | } | |
1505 | } | |
1506 | if (!isInserted) { | |
1507 | seqCandidates.Append(i); | |
1508 | seqOrientations.Append(ori); | |
1509 | } | |
1510 | } | |
1511 | } | |
5a29f57e | 1512 | |
7fd59977 | 1513 | nbCandidates = seqCandidates.Length(); |
5a29f57e | 1514 | if (!nbCandidates) |
1515 | return Standard_False; // Section has no candidates to merge | |
1516 | ||
1517 | // Replace candidate indices | |
1518 | ||
7fd59977 | 1519 | for (i = 1; i <= nbCandidates; i++) |
1520 | seqCandidates(i) = seqCandidatesNew(seqCandidates(i)); | |
5a29f57e | 1521 | |
7fd59977 | 1522 | } |
5a29f57e | 1523 | |
7fd59977 | 1524 | if (!nbCandidates) return Standard_False; // Section has no candidates to merge |
1525 | ||
1526 | if (myNonmanifold && nbCandidates >1) { | |
1527 | TColStd_SequenceOfInteger seqNewCandidates; | |
1528 | TColStd_SequenceOfInteger seqOrientationsNew; | |
1529 | seqCandidates.Prepend(1); | |
1530 | seqOrientations.Prepend(1); | |
1531 | for(Standard_Integer k = 1; k <= seqSections.Length() && seqCandidates.Length() > 1 ; k++) { | |
1532 | AnalysisNearestEdges(seqSections,seqCandidates,seqOrientations,(k==1)); | |
1533 | if(k == 1 && !seqCandidates.Length()) return Standard_False; | |
1534 | if(seqCandidates.Length()) { | |
1535 | seqNewCandidates.Append(seqCandidates.First()); | |
1536 | seqOrientationsNew.Append(seqOrientations.First()); | |
1537 | } | |
1538 | } | |
1539 | seqCandidates.Prepend(seqNewCandidates); | |
1540 | seqOrientations.Prepend(seqOrientationsNew); | |
1541 | return Standard_True; | |
1542 | } | |
1543 | else { | |
1544 | ||
1545 | // For manifold case leave only one candidate from equidistant candidates | |
1546 | /*Standard_Integer minIndex = seqCandidateIndex.First(); | |
1547 | Standard_Real minDistance = arrDistance(minIndex); | |
1548 | ||
1549 | // Find equidistant candidates | |
1550 | TColStd_SequenceOfInteger seqEqDistantIndex; seqEqDistantIndex.Append(1); | |
1551 | for (i = 2; i <= nbCandidates; i++) { | |
1552 | Standard_Integer index = seqCandidateIndex(i); | |
1553 | if (Abs(minDistance - arrDistance(index)) <= Precision::Confusion()) | |
1554 | seqEqDistantIndex.Append(index); | |
1555 | } | |
1556 | ||
1557 | Standard_Integer eqLen = seqEqDistantIndex.Length(); | |
1558 | if (eqLen > 2) { | |
1559 | ||
1560 | // Fill map of faces which equidistant sections belong to | |
1561 | TopTools_MapOfShape mapFace; | |
1562 | for (i = 1; i <= eqLen; i++) { | |
1563 | Standard_Integer index = seqEqDistantIndex.Value(i); | |
1564 | if (isCandidate(index)) { | |
1565 | mapFace.Add(arrFace(index)); | |
1566 | } | |
1567 | } | |
1568 | ||
1569 | // Non Manifold case | |
1570 | // Edges are merged by pair among a face continuity C1 criterion | |
1571 | if (mapFace.Extent() == eqLen) { | |
1572 | ||
1573 | tabDist.Init(-1); | |
1574 | tabMinInd.Init(-1); | |
1575 | min=10000000.; | |
1576 | //indMin = -1; | |
1577 | Standard_Integer indMin = -1;// To check if the edge can be merged. | |
1578 | // Computation of distances between the edges. | |
1579 | TopTools_SequenceOfShape seqSh; | |
1580 | Standard_Integer nbInd = EqDistSeq.Length(); | |
1581 | TColStd_Array1OfBoolean tmptabForward(1,nbInd); | |
1582 | seqSh.Append(sequenceSec.Value(1)); | |
1583 | for (j = 2; j <= EqDistSeq.Length(); j++) { | |
1584 | Standard_Integer index = EqDistSeq.Value(j); | |
1585 | tmptabForward(j) = tabForward(index); | |
1586 | seqSh.Append(sequenceSec.Value(index)); | |
1587 | } | |
1588 | ||
1589 | EvaluateAngulars(seqSh, tmptabForward, tabDist,1); | |
1590 | ||
1591 | for(j=2; j <= seqSh.Length(); j++) { | |
1592 | if (tabDist(j) > -1.) { // if edge(j) is connected to edge(i) | |
1593 | if (min > tabDist(j)) { | |
1594 | min = tabDist(j); | |
1595 | indMin = j; | |
1596 | } | |
1597 | } | |
1598 | } | |
1599 | ||
1600 | // Construct minDist, tabMinInd , tabMinForward(i) = tabForward(j); | |
1601 | if (indMin > 0) { | |
1602 | seqSh.Remove(indMin); | |
1603 | for(j =2; j <= tmpSeq.Length(); ) { | |
1604 | TopoDS_Shape sh = tmpSeq.Value(j); | |
1605 | Standard_Boolean isRem = Standard_False; | |
1606 | for(Standard_Integer k = 1; k<= seqSh.Length();k++) { | |
1607 | if(seqSh.Value(k) == sh) { | |
1608 | isRem = Standard_True; | |
1609 | break; | |
1610 | } | |
1611 | } | |
1612 | if(isRem) { | |
1613 | tmpSeq.Remove(j); | |
1614 | tabMinForward.Remove(j); // = -1; | |
1615 | } | |
1616 | else j++; | |
1617 | } | |
1618 | } | |
1619 | } | |
1620 | }*/ | |
1621 | ||
1622 | // Find the best approved candidate | |
1623 | while (nbCandidates) { | |
1624 | // Retrieve first candidate | |
1625 | Standard_Integer indCandidate = seqCandidates.First(); | |
1626 | // Candidate is approved if it is in the map | |
1627 | if (mapReference.Contains(indCandidate)) break; | |
1628 | // Find candidates for candidate #indCandidate | |
1629 | mapReference.Add(indCandidate); // Push candidate in the map | |
1630 | TColStd_SequenceOfInteger seqCandidates1, seqOrientations1; | |
1631 | Standard_Boolean isFound = | |
1632 | FindCandidates(seqSections,mapReference,seqCandidates1,seqOrientations1); | |
1633 | mapReference.RemoveLast(); // Pop candidate from the map | |
1634 | if (isFound) isFound = (seqCandidates1.Length() > 0); | |
1635 | if (isFound) { | |
1636 | Standard_Integer indCandidate1 = seqCandidates1.First(); | |
1637 | // If indReference is the best candidate for indCandidate | |
1638 | // then indCandidate is the best candidate for indReference | |
1639 | if (indCandidate1 == indReference) break; | |
1640 | // If some other reference in the map is the best candidate for indCandidate | |
1641 | // then assume that reference is the best candidate for indReference | |
1642 | if (mapReference.Contains(indCandidate1)) { | |
1643 | seqCandidates.Prepend(indCandidate1); | |
1644 | nbCandidates++; | |
1645 | break; | |
1646 | } | |
1647 | isFound = Standard_False; | |
1648 | } | |
1649 | if (!isFound) { | |
1650 | // Remove candidate #1 | |
1651 | seqCandidates.Remove(1); | |
1652 | seqOrientations.Remove(1); | |
1653 | nbCandidates--; | |
1654 | } | |
1655 | } | |
1656 | } | |
1657 | //gka | |
1658 | if(nbCandidates > 0) | |
1659 | { | |
1660 | Standard_Integer anInd = seqCandidates.Value(1); | |
1661 | TopoDS_Edge Edge2 = TopoDS::Edge(seqSections(anInd)); | |
1662 | TopoDS_Shape bnd = Edge2; | |
1663 | if (mySectionBound.IsBound(bnd)) | |
1664 | bnd = mySectionBound(bnd); | |
1665 | //gka | |
1666 | if (myBoundFaces.Contains(bnd)) { | |
1667 | Standard_Boolean isOK = Standard_True; | |
1668 | TopTools_ListIteratorOfListOfShape itf2(myBoundFaces.FindFromKey(bnd)); | |
1669 | for (; itf2.More() && isOK; itf2.Next()) { | |
1670 | const TopoDS_Face& Face2 = TopoDS::Face(itf2.Value()); | |
1671 | // Check whether condition is satisfied | |
1672 | isOK = !Faces1.Contains(Face2); | |
1673 | if (!isOK) isOK = IsMergedClosed(Edge1,Edge2,Face2); | |
1674 | } | |
1675 | if(!isOK) | |
1676 | return Standard_False; | |
1677 | } | |
1678 | } | |
1679 | return (nbCandidates > 0); | |
1680 | } | |
1681 | ||
1682 | //======================================================================= | |
1683 | //function : Constructor | |
1684 | //purpose : | |
1685 | //======================================================================= | |
1686 | ||
1687 | BRepBuilderAPI_Sewing::BRepBuilderAPI_Sewing(const Standard_Real tolerance, | |
1688 | const Standard_Boolean optionSewing, | |
1689 | const Standard_Boolean optionAnalysis, | |
1690 | const Standard_Boolean optionCutting, | |
1691 | const Standard_Boolean optionNonmanifold) | |
1692 | { | |
1693 | myReShape = new BRepTools_ReShape; | |
1694 | Init(tolerance, optionSewing, optionAnalysis, optionCutting, optionNonmanifold); | |
1695 | } | |
1696 | ||
1697 | //======================================================================= | |
1698 | //function : Init | |
1699 | //purpose : Initialise Talerance, and options sewing, faceAnalysis and cutting | |
1700 | //======================================================================= | |
1701 | ||
1702 | void BRepBuilderAPI_Sewing::Init(const Standard_Real tolerance, | |
1703 | const Standard_Boolean optionSewing, | |
1704 | const Standard_Boolean optionAnalysis, | |
1705 | const Standard_Boolean optionCutting, | |
1706 | const Standard_Boolean optionNonmanifold) | |
1707 | { | |
1708 | // Set tolerance and Perform options | |
eb7c351a | 1709 | myTolerance = Max (tolerance, Precision::Confusion()); |
7fd59977 | 1710 | mySewing = optionSewing; |
1711 | myAnalysis = optionAnalysis; | |
1712 | myCutting = optionCutting; | |
1713 | myNonmanifold = optionNonmanifold; | |
1714 | // Set min and max tolerances | |
eb7c351a | 1715 | myMinTolerance = myTolerance * 1e-4; //szv: proposal |
7fd59977 | 1716 | if (myMinTolerance < Precision::Confusion()) myMinTolerance = Precision::Confusion(); |
1717 | myMaxTolerance = Precision::Infinite(); | |
1718 | // Set other modes | |
1719 | myFaceMode = Standard_True; | |
1720 | myFloatingEdgesMode = Standard_False; | |
1721 | //myCuttingFloatingEdgesMode = Standard_False; //gka | |
1722 | mySameParameterMode = Standard_True; | |
1723 | myLocalToleranceMode = Standard_False; | |
1724 | mySewedShape.Nullify(); | |
1725 | // Load empty shape | |
1726 | Load(TopoDS_Shape()); | |
1727 | } | |
1728 | ||
1729 | //======================================================================= | |
1730 | //function : Load | |
1731 | //purpose : Loads the context shape | |
1732 | //======================================================================= | |
1733 | ||
1734 | void BRepBuilderAPI_Sewing::Load(const TopoDS_Shape& theShape) | |
1735 | { | |
1736 | myReShape->Clear(); | |
1737 | if (theShape.IsNull()) myShape.Nullify(); | |
1738 | else myShape = myReShape->Apply(theShape); | |
1739 | mySewedShape.Nullify(); | |
1740 | // Nullify flags and counters | |
1741 | myNbShapes = myNbEdges = myNbVertices = 0; | |
1742 | // Clear all maps | |
1743 | myOldShapes.Clear(); | |
1744 | //myOldFaces.Clear(); | |
1745 | myDegenerated.Clear(); | |
1746 | myFreeEdges.Clear(); | |
1747 | myMultipleEdges.Clear(); | |
1748 | myContigousEdges.Clear(); | |
1749 | myContigSecBound.Clear(); | |
1750 | myBoundFaces.Clear(); | |
1751 | myBoundSections.Clear(); | |
1752 | myVertexNode.Clear(); | |
1753 | myVertexNodeFree.Clear(); | |
1754 | myNodeSections.Clear(); | |
1755 | myCuttingNode.Clear(); | |
1756 | mySectionBound.Clear(); | |
1757 | myLittleFace.Clear(); | |
1758 | } | |
1759 | ||
1760 | //======================================================================= | |
1761 | //function : Add | |
1762 | //purpose : | |
1763 | //======================================================================= | |
1764 | ||
1765 | void BRepBuilderAPI_Sewing::Add(const TopoDS_Shape& aShape) | |
1766 | { | |
1767 | if (aShape.IsNull()) return; | |
1768 | TopoDS_Shape oShape = myReShape->Apply(aShape); | |
1769 | myOldShapes.Add(aShape,oShape); | |
1770 | myNbShapes = myOldShapes.Extent(); | |
1771 | } | |
1772 | ||
1773 | //======================================================================= | |
1774 | //function : Perform | |
1775 | //purpose : | |
1776 | //======================================================================= | |
1777 | ||
0797d9d3 | 1778 | #ifdef OCCT_DEBUG |
7fd59977 | 1779 | #include <OSD_Timer.hxx> |
1780 | #endif | |
1781 | ||
92434a36 | 1782 | void BRepBuilderAPI_Sewing::Perform(const Handle(Message_ProgressIndicator)& thePI) |
7fd59977 | 1783 | { |
92434a36 A |
1784 | const Standard_Integer aNumberOfStages = myAnalysis + myCutting + mySewing + 2; |
1785 | Message_ProgressSentry aPS (thePI, "Sewing", 0, aNumberOfStages, 1); | |
0797d9d3 | 1786 | #ifdef OCCT_DEBUG |
7fd59977 | 1787 | Standard_Real t_total = 0., t_analysis = 0., t_assembling = 0., t_cutting = 0., t_merging = 0.; |
1788 | OSD_Chronometer chr_total, chr_local; | |
1789 | chr_total.Reset(); | |
1790 | chr_total.Start(); | |
1791 | #endif | |
1792 | ||
1793 | // face analysis | |
92434a36 A |
1794 | if (myAnalysis) |
1795 | { | |
0797d9d3 | 1796 | #ifdef OCCT_DEBUG |
7fd59977 | 1797 | cout << "Begin face analysis..." << endl; |
1798 | chr_local.Reset(); | |
1799 | chr_local.Start(); | |
1800 | #endif | |
92434a36 A |
1801 | FaceAnalysis (thePI); |
1802 | if (!aPS.More()) | |
1803 | return; | |
1804 | aPS.Next(); | |
0797d9d3 | 1805 | #ifdef OCCT_DEBUG |
7fd59977 | 1806 | chr_local.Stop(); |
1807 | chr_local.Show(t_analysis); | |
1808 | cout << "Face analysis finished after " << t_analysis << " s" << endl; | |
1809 | #endif | |
1810 | } | |
1811 | ||
92434a36 A |
1812 | if (myNbShapes || !myShape.IsNull()) |
1813 | { | |
7fd59977 | 1814 | |
1815 | FindFreeBoundaries(); | |
1816 | ||
92434a36 A |
1817 | if (myBoundFaces.Extent()) |
1818 | { | |
7fd59977 | 1819 | |
0797d9d3 | 1820 | #ifdef OCCT_DEBUG |
7fd59977 | 1821 | cout << "Begin vertices assembling..." << endl; |
1822 | chr_local.Reset(); | |
1823 | chr_local.Start(); | |
1824 | #endif | |
92434a36 A |
1825 | VerticesAssembling (thePI); |
1826 | if (!aPS.More()) | |
1827 | return; | |
1828 | aPS.Next(); | |
0797d9d3 | 1829 | #ifdef OCCT_DEBUG |
7fd59977 | 1830 | chr_local.Stop(); |
1831 | chr_local.Show(t_assembling); | |
1832 | cout << "Vertices assembling finished after " << t_assembling << " s" << endl; | |
1833 | #endif | |
92434a36 A |
1834 | if (myCutting) |
1835 | { | |
0797d9d3 | 1836 | #ifdef OCCT_DEBUG |
92434a36 A |
1837 | cout << "Begin cutting..." << endl; |
1838 | chr_local.Reset(); | |
1839 | chr_local.Start(); | |
7fd59977 | 1840 | #endif |
92434a36 A |
1841 | Cutting (thePI); |
1842 | if (!aPS.More()) | |
1843 | return; | |
1844 | aPS.Next(); | |
0797d9d3 | 1845 | #ifdef OCCT_DEBUG |
92434a36 A |
1846 | chr_local.Stop(); |
1847 | chr_local.Show(t_cutting); | |
1848 | cout << "Cutting finished after " << t_cutting << " s" << endl; | |
7fd59977 | 1849 | #endif |
1850 | } | |
0797d9d3 | 1851 | #ifdef OCCT_DEBUG |
7fd59977 | 1852 | cout << "Begin merging..." << endl; |
1853 | chr_local.Reset(); | |
1854 | chr_local.Start(); | |
1855 | #endif | |
92434a36 A |
1856 | Merging (Standard_True, thePI); |
1857 | if (!aPS.More()) | |
1858 | return; | |
1859 | aPS.Next(); | |
0797d9d3 | 1860 | #ifdef OCCT_DEBUG |
7fd59977 | 1861 | chr_local.Stop(); |
1862 | chr_local.Show(t_merging); | |
1863 | cout << "Merging finished after " << t_merging << " s" << endl; | |
1864 | #endif | |
1865 | } | |
92434a36 A |
1866 | else |
1867 | { | |
1868 | aPS.Next( 1, Handle(TCollection_HAsciiString)()); | |
1869 | if (myCutting) | |
1870 | aPS.Next( 1, Handle(TCollection_HAsciiString)()); | |
1871 | aPS.Next( 1, Handle(TCollection_HAsciiString)()); | |
1872 | if (!aPS.More()) | |
1873 | return; | |
1874 | } | |
7fd59977 | 1875 | |
92434a36 A |
1876 | if (mySewing) |
1877 | { | |
7fd59977 | 1878 | |
0797d9d3 | 1879 | #ifdef OCCT_DEBUG |
7fd59977 | 1880 | cout << "Creating sewed shape..." << endl; |
1881 | #endif | |
1882 | // examine the multiple edges if any and process sameparameter for edges if necessary | |
92434a36 A |
1883 | EdgeProcessing (thePI); |
1884 | if (!aPS.More()) | |
1885 | return; | |
7fd59977 | 1886 | CreateSewedShape(); |
92434a36 A |
1887 | if (!aPS.More()) |
1888 | { | |
1889 | mySewedShape.Nullify(); | |
1890 | return; | |
1891 | } | |
1892 | if (mySameParameterMode && myFaceMode) | |
1893 | SameParameterShape(); | |
1894 | if (!aPS.More()) | |
1895 | { | |
1896 | mySewedShape.Nullify(); | |
1897 | return; | |
1898 | } | |
0797d9d3 | 1899 | #ifdef OCCT_DEBUG |
7fd59977 | 1900 | cout << "Sewed shape created" << endl; |
1901 | #endif | |
1902 | } | |
92434a36 | 1903 | |
7fd59977 | 1904 | // create edge informations for output |
1905 | CreateOutputInformations(); | |
92434a36 A |
1906 | if (!aPS.More()) |
1907 | { | |
1908 | mySewedShape.Nullify(); | |
1909 | return; | |
1910 | } | |
7fd59977 | 1911 | } |
0797d9d3 | 1912 | #ifdef OCCT_DEBUG |
7fd59977 | 1913 | chr_total.Stop(); |
1914 | chr_total.Show(t_total); | |
1915 | cout << "Sewing finished!" << endl; | |
1916 | cout << " analysis time : " << t_analysis << " s" << endl; | |
1917 | cout << " assembling time : " << t_assembling << " s" << endl; | |
1918 | cout << " cutting time : " << t_cutting << " s" << endl; | |
1919 | cout << " merging time : " << t_merging << " s" << endl; | |
1920 | cout << "Total time : " << t_total << " s" << endl; | |
1921 | #endif | |
1922 | } | |
1923 | ||
1924 | //======================================================================= | |
1925 | //function : SewedShape | |
1926 | //purpose : give the sewed shape | |
1927 | // if a null shape, reasons: | |
1928 | // -- no useable input shapes : all input shapes are degenerated | |
1929 | // -- has multiple edges | |
1930 | //======================================================================= | |
1931 | ||
1932 | const TopoDS_Shape& BRepBuilderAPI_Sewing::SewedShape() const | |
1933 | { | |
1934 | return mySewedShape; | |
1935 | } | |
1936 | ||
1937 | //======================================================================= | |
1938 | //function : NbFreeEdges | |
1939 | //purpose : | |
1940 | //======================================================================= | |
1941 | ||
1942 | Standard_Integer BRepBuilderAPI_Sewing::NbFreeEdges() const | |
1943 | { | |
1944 | return myFreeEdges.Extent(); | |
1945 | } | |
1946 | ||
1947 | //======================================================================= | |
1948 | //function : FreeEdge | |
1949 | //purpose : | |
1950 | //======================================================================= | |
1951 | ||
1952 | const TopoDS_Edge& BRepBuilderAPI_Sewing::FreeEdge(const Standard_Integer index) const | |
1953 | { | |
1954 | Standard_OutOfRange_Raise_if(index < 0 || index > NbFreeEdges(), "BRepBuilderAPI_Sewing::FreeEdge"); | |
1955 | return TopoDS::Edge(myFreeEdges(index)); | |
1956 | } | |
1957 | ||
1958 | //======================================================================= | |
1959 | //function : NbMultipleEdges | |
1960 | //purpose : | |
1961 | //======================================================================= | |
1962 | ||
1963 | Standard_Integer BRepBuilderAPI_Sewing::NbMultipleEdges() const | |
1964 | { | |
1965 | return myMultipleEdges.Extent(); | |
1966 | } | |
1967 | ||
1968 | //======================================================================= | |
1969 | //function : MultipleEdge | |
1970 | //purpose : | |
1971 | //======================================================================= | |
1972 | ||
1973 | const TopoDS_Edge& BRepBuilderAPI_Sewing::MultipleEdge(const Standard_Integer index) const | |
1974 | { | |
1975 | Standard_OutOfRange_Raise_if(index < 0 || index > NbMultipleEdges(), "BRepBuilderAPI_Sewing::MultipleEdge"); | |
1976 | return TopoDS::Edge(myMultipleEdges(index)); | |
1977 | } | |
1978 | ||
1979 | //======================================================================= | |
1980 | //function : NbContigousEdges | |
1981 | //purpose : | |
1982 | //======================================================================= | |
1983 | ||
1984 | Standard_Integer BRepBuilderAPI_Sewing::NbContigousEdges() const | |
1985 | { | |
1986 | return myContigousEdges.Extent(); | |
1987 | } | |
1988 | ||
1989 | //======================================================================= | |
1990 | //function : ContigousEdge | |
1991 | //purpose : | |
1992 | //======================================================================= | |
1993 | ||
1994 | const TopoDS_Edge& BRepBuilderAPI_Sewing::ContigousEdge(const Standard_Integer index) const | |
1995 | { | |
1996 | Standard_OutOfRange_Raise_if(index < 0 || index > NbContigousEdges(), "BRepBuilderAPI_Sewing::ContigousEdge"); | |
1997 | return TopoDS::Edge(myContigousEdges.FindKey(index)); | |
1998 | } | |
1999 | ||
2000 | //======================================================================= | |
2001 | //function : ContigousEdgeCouple | |
2002 | //purpose : | |
2003 | //======================================================================= | |
2004 | ||
2005 | const TopTools_ListOfShape& BRepBuilderAPI_Sewing::ContigousEdgeCouple(const Standard_Integer index) const | |
2006 | { | |
2007 | Standard_OutOfRange_Raise_if(index < 0 || index > NbContigousEdges(), "BRepBuilderAPI_Sewing::ContigousEdgeCouple"); | |
2008 | return myContigousEdges(index); | |
2009 | } | |
2010 | ||
2011 | //======================================================================= | |
2012 | //function : IsSectionBound | |
2013 | //purpose : | |
2014 | //======================================================================= | |
2015 | ||
2016 | Standard_Boolean BRepBuilderAPI_Sewing::IsSectionBound(const TopoDS_Edge& section) const | |
2017 | { | |
2018 | if(myContigSecBound.IsBound(section)) { | |
2019 | return Standard_True; | |
2020 | } | |
2021 | else { | |
2022 | return Standard_False; | |
2023 | } | |
2024 | } | |
2025 | ||
2026 | //======================================================================= | |
2027 | //function : SectionToBoundary | |
2028 | //purpose : | |
2029 | //======================================================================= | |
2030 | ||
2031 | const TopoDS_Edge& BRepBuilderAPI_Sewing::SectionToBoundary(const TopoDS_Edge& section) const | |
2032 | { | |
2033 | Standard_NoSuchObject_Raise_if(!IsSectionBound(section), "BRepBuilderAPI_Sewing::SectionToBoundary"); | |
2034 | return TopoDS::Edge(myContigSecBound(section)); | |
2035 | } | |
2036 | //======================================================================= | |
2037 | //function : NbDeletedFaces | |
2038 | //purpose : | |
2039 | //======================================================================= | |
2040 | Standard_Integer BRepBuilderAPI_Sewing::NbDeletedFaces() const | |
2041 | { | |
2042 | return myLittleFace.Extent(); | |
2043 | } | |
2044 | ||
2045 | //======================================================================= | |
2046 | //function : DeletedFace | |
2047 | //purpose : | |
2048 | //======================================================================= | |
2049 | const TopoDS_Face& BRepBuilderAPI_Sewing::DeletedFace(const Standard_Integer index) const | |
2050 | { | |
2051 | Standard_OutOfRange_Raise_if(index < 0 || index > NbDeletedFaces(), "BRepBuilderAPI_Sewing::DeletedFace"); | |
2052 | return TopoDS::Face(myLittleFace(index)); | |
2053 | } | |
2054 | ||
2055 | //======================================================================= | |
2056 | //function : NbDegeneratedShapes | |
2057 | //purpose : | |
2058 | //======================================================================= | |
2059 | ||
2060 | Standard_Integer BRepBuilderAPI_Sewing::NbDegeneratedShapes() const | |
2061 | { | |
2062 | return myDegenerated.Extent(); | |
2063 | } | |
2064 | ||
2065 | //======================================================================= | |
2066 | //function : DegeneratedShape | |
2067 | //purpose : | |
2068 | //======================================================================= | |
2069 | ||
2070 | const TopoDS_Shape& BRepBuilderAPI_Sewing::DegeneratedShape(const Standard_Integer index) const | |
2071 | { | |
2072 | Standard_OutOfRange_Raise_if(index < 0 || index > NbDegeneratedShapes(), "BRepBuilderAPI_Sewing::DegereratedShape"); | |
2073 | return myDegenerated(index); | |
2074 | } | |
2075 | ||
2076 | //======================================================================= | |
2077 | //function : IsDegenerated | |
2078 | //purpose : | |
2079 | //======================================================================= | |
2080 | ||
2081 | Standard_Boolean BRepBuilderAPI_Sewing::IsDegenerated(const TopoDS_Shape& aShape) const | |
2082 | { | |
2083 | TopoDS_Shape NewShape = myReShape->Apply(aShape); | |
2084 | // Degenerated face | |
2085 | if (aShape.ShapeType() == TopAbs_FACE) | |
2086 | return NewShape.IsNull(); | |
2087 | if (NewShape.IsNull()) return Standard_False; | |
2088 | // Degenerated edge | |
2089 | if (NewShape.ShapeType() == TopAbs_EDGE) | |
2090 | return BRep_Tool::Degenerated(TopoDS::Edge(NewShape)); | |
2091 | // Degenerated wire | |
2092 | if (NewShape.ShapeType() == TopAbs_WIRE) { | |
2093 | Standard_Boolean isDegenerated = Standard_True; | |
2094 | for (TopoDS_Iterator aIt(NewShape); aIt.More() && isDegenerated; aIt.Next()) | |
2095 | isDegenerated = BRep_Tool::Degenerated(TopoDS::Edge(aIt.Value())); | |
2096 | return isDegenerated; | |
2097 | } | |
2098 | return Standard_False; | |
2099 | } | |
2100 | ||
2101 | //======================================================================= | |
2102 | //function : IsModified | |
2103 | //purpose : | |
2104 | //======================================================================= | |
2105 | ||
2106 | Standard_Boolean BRepBuilderAPI_Sewing::IsModified(const TopoDS_Shape& aShape) const | |
2107 | { | |
2108 | TopoDS_Shape NewShape = aShape; | |
2109 | if (myOldShapes.Contains(aShape)) | |
2110 | NewShape = myOldShapes.FindFromKey(aShape); | |
2111 | if(!NewShape.IsSame(aShape)) return Standard_True; | |
2112 | return Standard_False; | |
2113 | } | |
2114 | ||
2115 | //======================================================================= | |
2116 | //function : Modified | |
2117 | //purpose : | |
2118 | //======================================================================= | |
2119 | ||
2120 | const TopoDS_Shape& BRepBuilderAPI_Sewing::Modified(const TopoDS_Shape& aShape) const | |
2121 | { | |
2122 | if (myOldShapes.Contains(aShape)) return myOldShapes.FindFromKey(aShape); | |
2123 | //if (myOldFaces.Contains(aShape)) return myOldFaces.FindFromKey(aShape); | |
2124 | return aShape; | |
2125 | } | |
2126 | ||
2127 | //======================================================================= | |
2128 | //function : IsModifiedSubShape | |
2129 | //purpose : | |
2130 | //======================================================================= | |
2131 | ||
2132 | Standard_Boolean BRepBuilderAPI_Sewing::IsModifiedSubShape(const TopoDS_Shape& aShape) const | |
2133 | { | |
2134 | TopoDS_Shape NewShape = myReShape->Apply(aShape); | |
2135 | if(!NewShape.IsSame(aShape)) return Standard_True; | |
2136 | return Standard_False; | |
2137 | } | |
2138 | ||
2139 | //======================================================================= | |
2140 | //function : ModifiedSubShape | |
2141 | //purpose : | |
2142 | //======================================================================= | |
2143 | ||
2144 | TopoDS_Shape BRepBuilderAPI_Sewing::ModifiedSubShape(const TopoDS_Shape& aShape) const | |
2145 | { | |
2146 | return myReShape->Apply(aShape); | |
2147 | } | |
2148 | ||
2149 | //======================================================================= | |
2150 | //function : Dump | |
2151 | //purpose : | |
2152 | //======================================================================= | |
2153 | ||
2154 | void BRepBuilderAPI_Sewing::Dump() const | |
2155 | { | |
2156 | Standard_Integer i, NbBounds = myBoundFaces.Extent(), NbSections = 0; | |
2157 | TopTools_MapOfShape mapVertices, mapEdges; | |
2158 | for (i = 1; i <= NbBounds; i++) { | |
2159 | TopoDS_Shape bound = myBoundFaces.FindKey(i); | |
2160 | if (myBoundSections.IsBound(bound)) NbSections += myBoundSections(bound).Extent(); | |
2161 | else NbSections++; | |
2162 | TopExp_Explorer aExp(myReShape->Apply(bound),TopAbs_EDGE); | |
2163 | for (; aExp.More(); aExp.Next()) { | |
2164 | TopoDS_Edge E = TopoDS::Edge(aExp.Current()); | |
2165 | mapEdges.Add(E); | |
2166 | TopoDS_Vertex V1, V2; | |
2167 | TopExp::Vertices(E,V1,V2); | |
2168 | mapVertices.Add(V1); | |
2169 | mapVertices.Add(V2); | |
2170 | } | |
2171 | } | |
2172 | cout << " " << endl; | |
2173 | cout << " Informations " << endl; | |
2174 | cout << " ===========================================================" << endl; | |
2175 | cout << " " << endl; | |
2176 | cout << " Number of input shapes : " << myOldShapes.Extent() << endl; | |
2177 | cout << " Number of actual shapes : " << myNbShapes << endl; | |
2178 | cout << " Number of Bounds : " << NbBounds << endl; | |
2179 | cout << " Number of Sections : " << NbSections << endl; | |
2180 | cout << " Number of Edges : " << mapEdges.Extent() << endl; | |
2181 | cout << " Number of Vertices : " << myNbVertices << endl; | |
2182 | cout << " Number of Nodes : " << mapVertices.Extent() << endl; | |
2183 | cout << " Number of Free Edges : " << myFreeEdges.Extent() << endl; | |
2184 | cout << " Number of Contigous Edges : " << myContigousEdges.Extent() << endl; | |
2185 | cout << " Number of Multiple Edges : " << myMultipleEdges.Extent() << endl; | |
2186 | cout << " Number of Degenerated Edges : " << myDegenerated.Extent() << endl; | |
2187 | cout << " ===========================================================" << endl; | |
2188 | cout << " " << endl; | |
2189 | } | |
2190 | ||
2191 | //======================================================================= | |
2192 | //function : FaceAnalysis | |
2193 | //purpose : Remove | |
2194 | // Modifies: | |
2195 | // myNbShapes | |
2196 | // myOldShapes | |
2197 | // | |
2198 | // Constructs: | |
2199 | // myDegenerated | |
2200 | //======================================================================= | |
2201 | ||
92434a36 | 2202 | void BRepBuilderAPI_Sewing::FaceAnalysis(const Handle(Message_ProgressIndicator)& thePI) |
7fd59977 | 2203 | { |
2204 | if (!myShape.IsNull() && myOldShapes.IsEmpty()) { | |
2205 | Add(myShape); | |
2206 | myShape.Nullify(); | |
2207 | } | |
2208 | ||
2209 | BRep_Builder B; | |
2210 | TopTools_MapOfShape SmallEdges; | |
2211 | TopTools_DataMapOfShapeListOfShape GluedVertices; | |
2212 | Standard_Integer i = 1; | |
92434a36 A |
2213 | Message_ProgressSentry aPS (thePI, "Shape analysis", 0, myOldShapes.Extent(), 1); |
2214 | for (i = 1; i <= myOldShapes.Extent() && aPS.More(); i++, aPS.Next()) { | |
7fd59977 | 2215 | for (TopExp_Explorer fexp(myOldShapes(i),TopAbs_FACE); fexp.More(); fexp.Next()) { |
2216 | ||
2217 | // Retrieve current face | |
2218 | TopoDS_Shape aTmpShape = fexp.Current(); //for porting | |
2219 | TopoDS_Face face = TopoDS::Face(aTmpShape); | |
2220 | Standard_Integer nbEdges = 0, nbSmall = 0; | |
2221 | ||
2222 | // Build replacing face | |
2223 | aTmpShape = face.EmptyCopied().Oriented(TopAbs_FORWARD); //for porting | |
2224 | TopoDS_Face nface = TopoDS::Face(aTmpShape); | |
2225 | Standard_Boolean isFaceChanged = Standard_False; | |
2226 | ||
2227 | TopoDS_Iterator witer(face.Oriented(TopAbs_FORWARD)); | |
2228 | for (; witer.More(); witer.Next()) { | |
2229 | ||
2230 | // Retrieve current wire | |
2231 | aTmpShape = witer.Value(); //for porting | |
2232 | if( aTmpShape.ShapeType() != TopAbs_WIRE) continue; | |
2233 | TopoDS_Wire wire = TopoDS::Wire(aTmpShape); | |
2234 | ||
2235 | // Build replacing wire | |
2236 | aTmpShape = wire.EmptyCopied().Oriented(TopAbs_FORWARD); | |
2237 | TopoDS_Wire nwire = TopoDS::Wire(aTmpShape); | |
2238 | Standard_Boolean isWireChanged = Standard_False; | |
2239 | ||
2240 | TopoDS_Iterator eiter(wire.Oriented(TopAbs_FORWARD)); | |
2241 | for (; eiter.More(); eiter.Next()) { | |
2242 | ||
2243 | // Retrieve current edge | |
2244 | aTmpShape = eiter.Value(); //for porting | |
2245 | TopoDS_Edge edge = TopoDS::Edge(aTmpShape); | |
2246 | nbEdges++; | |
2247 | ||
2248 | // Process degenerated edge | |
2249 | if (BRep_Tool::Degenerated(edge)) { | |
2250 | B.Add(nwire,edge); // Old edge kept | |
2251 | myDegenerated.Add(edge); | |
2252 | nbSmall++; | |
2253 | continue; | |
2254 | } | |
2255 | ||
2256 | Standard_Boolean isSmall = SmallEdges.Contains(edge); | |
2257 | if (!isSmall) { | |
2258 | ||
2259 | // Check for small edge | |
2260 | Standard_Real first, last; | |
2261 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(edge,first,last); | |
2262 | if (c3d.IsNull()) { | |
0797d9d3 | 2263 | #ifdef OCCT_DEBUG |
7fd59977 | 2264 | cout << "Warning: Possibly small edge can be sewed: No 3D curve" << endl; |
2265 | #endif | |
2266 | } | |
2267 | else { | |
2268 | // Evaluate curve compactness | |
2269 | const Standard_Integer npt = 5; | |
2270 | gp_Pnt cp((c3d->Value(first).XYZ()+c3d->Value(last).XYZ())*0.5); | |
2271 | Standard_Real dist, maxdist = 0.0; | |
2272 | Standard_Real delta = (last - first)/(npt - 1); | |
2273 | for (Standard_Integer idx = 0; idx < npt; idx++) { | |
2274 | dist = cp.Distance(c3d->Value(first + idx*delta)); | |
2275 | if (maxdist < dist) maxdist = dist; | |
2276 | } | |
2277 | isSmall = (2.*maxdist <= MinTolerance()); | |
2278 | /*try { | |
2279 | GeomAdaptor_Curve cAdapt(c3d); | |
2280 | Standard_Real length = GCPnts_AbscissaPoint::Length(cAdapt,first,last); | |
2281 | isSmall = (length <= MinTolerance()); | |
2282 | } | |
2283 | catch (Standard_Failure) { | |
0797d9d3 | 2284 | #ifdef OCCT_DEBUG |
7fd59977 | 2285 | cout << "Warning: Possibly small edge can be sewed: "; |
2286 | Standard_Failure::Caught()->Print(cout); cout << endl; | |
2287 | #endif | |
2288 | }*/ | |
2289 | } | |
2290 | ||
2291 | if (isSmall) { | |
2292 | ||
2293 | // Store small edge in the map | |
2294 | SmallEdges.Add(edge); | |
2295 | ||
2296 | TopoDS_Vertex v1, v2; | |
2297 | TopExp::Vertices(edge,v1,v2); | |
2298 | TopoDS_Shape nv1 = myReShape->Apply(v1), nv2 = myReShape->Apply(v2); | |
2299 | ||
2300 | // Store glued vertices | |
2301 | if (!nv1.IsSame(v1)) { | |
2302 | TopTools_ListOfShape& vlist1 = GluedVertices(nv1); | |
2303 | // First vertex was already glued | |
2304 | if (!nv2.IsSame(v2)) { | |
2305 | // Merge lists of glued vertices | |
2306 | if (!nv1.IsSame(nv2)) { | |
2307 | TopTools_ListIteratorOfListOfShape liter(GluedVertices(nv2)); | |
2308 | for (; liter.More(); liter.Next()) { | |
2309 | TopoDS_Shape v = liter.Value(); | |
2310 | myReShape->Replace(v,nv1.Oriented(v.Orientation())); | |
2311 | vlist1.Append(v); | |
2312 | } | |
2313 | GluedVertices.UnBind(nv2); | |
2314 | } | |
2315 | } | |
2316 | else { | |
2317 | // Add second vertex to the existing list | |
2318 | vlist1.Append(v2); | |
2319 | myReShape->Replace(v2,nv1.Oriented(v2.Orientation())); | |
2320 | } | |
2321 | } | |
2322 | else if (!nv2.IsSame(v2)) { | |
2323 | // Add first vertex to the existing list | |
2324 | GluedVertices(nv2).Append(v1); | |
2325 | myReShape->Replace(v1,nv2.Oriented(v1.Orientation())); | |
2326 | } | |
2327 | else if (!v1.IsSame(v2)) { | |
2328 | // Record new glued vertices | |
2329 | TopoDS_Vertex nv; | |
2330 | B.MakeVertex(nv); | |
2331 | TopTools_ListOfShape vlist; | |
2332 | vlist.Append(v1); | |
2333 | vlist.Append(v2); | |
2334 | GluedVertices.Bind(nv,vlist); | |
2335 | myReShape->Replace(v1,nv.Oriented(v1.Orientation())); | |
2336 | myReShape->Replace(v2,nv.Oriented(v2.Orientation())); | |
2337 | } | |
2338 | } | |
2339 | } | |
2340 | ||
2341 | // Replace small edge | |
2342 | if (isSmall) { | |
0797d9d3 | 2343 | #ifdef OCCT_DEBUG |
7fd59977 | 2344 | cout << "Warning: Small edge made degenerated by FaceAnalysis" << endl; |
2345 | #endif | |
2346 | nbSmall++; | |
2347 | // Create new degenerated edge | |
2348 | aTmpShape = edge.Oriented(TopAbs_FORWARD); | |
2349 | TopoDS_Edge fedge = TopoDS::Edge(aTmpShape); | |
2350 | Standard_Real pfirst, plast; | |
2351 | Handle(Geom2d_Curve) c2d = BRep_Tool::CurveOnSurface(fedge,face,pfirst,plast); | |
2352 | if (!c2d.IsNull()) { | |
2353 | TopoDS_Edge nedge; | |
2354 | B.MakeEdge(nedge); | |
2355 | B.UpdateEdge(nedge,c2d,face,Precision::Confusion()); | |
2356 | B.Range(nedge,pfirst,plast); | |
2357 | B.Degenerated(nedge,Standard_True); | |
2358 | TopoDS_Vertex v1, v2; | |
2359 | TopExp::Vertices(fedge,v1,v2); | |
2360 | B.Add(nedge,myReShape->Apply(v1).Oriented(v1.Orientation())); | |
2361 | B.Add(nedge,myReShape->Apply(v2).Oriented(v2.Orientation())); | |
2362 | B.Add(nwire,nedge.Oriented(edge.Orientation())); | |
2363 | myDegenerated.Add(nedge); | |
2364 | } | |
2365 | isWireChanged = Standard_True; | |
2366 | } | |
2367 | else B.Add(nwire,edge); // Old edge kept | |
2368 | } | |
2369 | ||
2370 | // Record wire in the new face | |
2371 | if (isWireChanged) { | |
2372 | B.Add(nface,nwire.Oriented(wire.Orientation())); | |
2373 | isFaceChanged = Standard_True; | |
2374 | } | |
2375 | else B.Add(nface,wire); | |
2376 | } | |
2377 | ||
2378 | // Remove small face | |
2379 | if (nbSmall == nbEdges) { | |
0797d9d3 | 2380 | #ifdef OCCT_DEBUG |
7fd59977 | 2381 | cout << "Warning: Small face removed by FaceAnalysis" << endl; |
2382 | #endif | |
2383 | myLittleFace.Add(face); | |
2384 | myReShape->Remove(face); | |
2385 | } | |
2386 | else if (isFaceChanged) { | |
2387 | ||
2388 | myReShape->Replace(face,nface.Oriented(face.Orientation())); | |
2389 | } | |
2390 | } | |
2391 | } | |
2392 | ||
2393 | // Update glued vertices | |
2394 | TopTools_DataMapIteratorOfDataMapOfShapeListOfShape miter(GluedVertices); | |
2395 | for (; miter.More(); miter.Next()) { | |
2396 | TopoDS_Vertex vnew = TopoDS::Vertex(miter.Key()); | |
2397 | gp_XYZ coord(0.,0.,0.); | |
2398 | Standard_Integer nbPoints = 0; | |
2399 | const TopTools_ListOfShape& vlist = miter.Value(); | |
2400 | TopTools_ListIteratorOfListOfShape liter1(vlist); | |
2401 | for (; liter1.More(); liter1.Next()) { | |
2402 | coord += BRep_Tool::Pnt(TopoDS::Vertex(liter1.Value())).XYZ(); | |
2403 | nbPoints++; | |
2404 | } | |
2405 | if (nbPoints) { | |
2406 | gp_Pnt vp(coord / nbPoints); | |
2407 | Standard_Real tol = 0.0, mtol = 0.0; | |
2408 | TopTools_ListIteratorOfListOfShape liter2(vlist); | |
2409 | for (; liter2.More(); liter2.Next()) { | |
2410 | Standard_Real vtol = BRep_Tool::Tolerance(TopoDS::Vertex(liter2.Value())); | |
2411 | if (mtol < vtol) mtol = vtol; | |
2412 | vtol = vp.Distance(BRep_Tool::Pnt(TopoDS::Vertex(liter2.Value()))); | |
2413 | if (tol < vtol) tol = vtol; | |
2414 | } | |
2415 | B.UpdateVertex(vnew,vp,tol+mtol); | |
2416 | } | |
2417 | } | |
2418 | ||
2419 | // Update input shapes | |
2420 | for (i = 1; i <= myOldShapes.Extent(); i++) | |
2421 | myOldShapes(i) = myReShape->Apply(myOldShapes(i)); | |
2422 | } | |
2423 | ||
2424 | //======================================================================= | |
2425 | //function : FindFreeBoundaries | |
2426 | //purpose : Constructs : | |
2427 | // myBoundFaces (bound = list of faces) - REFERENCE | |
2428 | // myVertexNode (vertex = node) | |
2429 | // myVertexNodeFree (floating vertex = node) | |
2430 | // | |
2431 | //======================================================================= | |
2432 | ||
2433 | void BRepBuilderAPI_Sewing::FindFreeBoundaries() | |
2434 | { | |
2435 | // Take into account the context shape if needed | |
2436 | TopTools_IndexedMapOfShape NewShapes; | |
2437 | if (!myShape.IsNull()) { | |
2438 | if (myOldShapes.IsEmpty()) { | |
2439 | Add(myShape); | |
2440 | myShape.Nullify(); | |
2441 | } | |
2442 | else { | |
2443 | TopoDS_Shape newShape = myReShape->Apply(myShape); | |
2444 | if (!newShape.IsNull()) NewShapes.Add(newShape); | |
2445 | } | |
2446 | } | |
2447 | // Create map Edge -> Faces | |
2448 | TopTools_IndexedDataMapOfShapeListOfShape EdgeFaces; | |
2449 | Standard_Integer i, nbShapes = myOldShapes.Extent(); | |
2450 | for (i = 1; i <= nbShapes; i++) { | |
2451 | // Retrieve new shape | |
2452 | TopoDS_Shape shape = myOldShapes(i); | |
2453 | if (shape.IsNull()) continue; | |
2454 | NewShapes.Add(shape); | |
2455 | // Explore shape to find all boundaries | |
2456 | for (TopExp_Explorer eExp(shape,TopAbs_EDGE); eExp.More(); eExp.Next()) { | |
2457 | TopoDS_Shape edge = eExp.Current(); | |
2458 | if (!EdgeFaces.Contains(edge)) { | |
2459 | TopTools_ListOfShape listFaces; | |
2460 | EdgeFaces.Add(edge,listFaces); | |
2461 | } | |
2462 | } | |
2463 | } | |
2464 | // Fill map Edge -> Faces | |
2465 | nbShapes = NewShapes.Extent(); | |
2466 | TopTools_MapOfShape mapFaces; | |
2467 | for (i = 1; i <= nbShapes; i++) { | |
2468 | // Explore shape to find all faces | |
2469 | TopExp_Explorer fExp(NewShapes.FindKey(i),TopAbs_FACE); | |
2470 | for (; fExp.More(); fExp.Next()) { | |
2471 | TopoDS_Shape face = fExp.Current(); | |
2472 | if(mapFaces.Contains(face)) continue; | |
2473 | else | |
2474 | mapFaces.Add(face); | |
2475 | // Explore face to find all boundaries | |
2476 | for (TopoDS_Iterator aIw(face); aIw.More(); aIw.Next()) { | |
2477 | if(aIw.Value().ShapeType() != TopAbs_WIRE) continue; | |
2478 | for (TopoDS_Iterator aIIe(aIw.Value()); aIIe.More(); aIIe.Next()) { | |
2479 | ||
2480 | TopoDS_Shape edge = aIIe.Value(); | |
2481 | ||
2482 | if (EdgeFaces.Contains(edge)) { | |
2483 | EdgeFaces.ChangeFromKey(edge).Append(face); | |
2484 | //TopTools_ListOfShape& listFaces = EdgeFaces.ChangeFromKey(edge); | |
2485 | //Standard_Boolean isContained = Standard_False; | |
2486 | //TopTools_ListIteratorOfListOfShape itf(listFaces); | |
2487 | //for (; itf.More() && !isContained; itf.Next()) | |
2488 | // isContained = face.IsSame(itf.Value()); | |
2489 | //if (!isContained) listFaces.Append(face); | |
2490 | } | |
2491 | } | |
2492 | } | |
2493 | } | |
2494 | } | |
2495 | // Find free boundaries | |
2496 | nbShapes = EdgeFaces.Extent(); | |
2497 | for (i = 1; i <= nbShapes; i++) { | |
2498 | TopTools_ListOfShape& listFaces = EdgeFaces(i); | |
2499 | Standard_Integer nbFaces = listFaces.Extent(); | |
2500 | TopoDS_Shape edge = EdgeFaces.FindKey(i); | |
2501 | if(edge.Orientation() == TopAbs_INTERNAL) | |
2502 | continue; | |
2503 | Standard_Boolean isSeam = Standard_False; | |
2504 | if (nbFaces == 1) { | |
2505 | TopoDS_Face face = TopoDS::Face(listFaces.First()); | |
2506 | isSeam = BRep_Tool::IsClosed(TopoDS::Edge(edge),face); | |
2507 | if (isSeam) { | |
2508 | ///Handle(Geom_Surface) surf = BRep_Tool::Surface(face); | |
2509 | //isSeam = (IsUClosedSurface(surf) || IsVClosedSurface(surf)); | |
2510 | //if(!isSeam) { | |
2511 | BRep_Builder aB; | |
2512 | TopoDS_Shape anewEdge = edge.EmptyCopied(); | |
2513 | TopoDS_Iterator aItV(edge); | |
2514 | for( ; aItV.More() ; aItV.Next()) | |
2515 | aB.Add(anewEdge,aItV.Value()); | |
2516 | ||
2517 | ||
2518 | ||
2519 | Standard_Real first2d,last2d; | |
2520 | Handle(Geom2d_Curve) c2dold = | |
2521 | BRep_Tool::CurveOnSurface(TopoDS::Edge(edge),TopoDS::Face(listFaces.First()),first2d,last2d); | |
2522 | ||
2523 | Handle(Geom2d_Curve) c2d; | |
2524 | BRep_Builder B; | |
2525 | B.UpdateEdge(TopoDS::Edge(anewEdge),c2d,c2d,TopoDS::Face(listFaces.First()),0); | |
2526 | B.UpdateEdge(TopoDS::Edge(anewEdge),c2dold,TopoDS::Face(listFaces.First()),0); | |
2527 | ||
2528 | Standard_Real aFirst, aLast; | |
2529 | BRep_Tool::Range(TopoDS::Edge(edge),aFirst, aLast); | |
2530 | aB.Range(TopoDS::Edge(anewEdge),aFirst, aLast); | |
2531 | aB.Range(TopoDS::Edge(anewEdge),TopoDS::Face(listFaces.First()),first2d,last2d); | |
2532 | myReShape->Replace(edge,anewEdge); | |
2533 | edge = anewEdge; | |
2534 | ||
2535 | //} | |
2536 | isSeam = Standard_False; | |
2537 | } | |
2538 | } | |
2539 | Standard_Boolean isBoundFloat = (myFloatingEdgesMode && !nbFaces); | |
2540 | Standard_Boolean isBound = (myFaceMode && ((myNonmanifold && nbFaces) || (nbFaces == 1 && !isSeam))); | |
2541 | if (isBound || isBoundFloat) { | |
2542 | // Ignore degenerated edge | |
2543 | if (BRep_Tool::Degenerated(TopoDS::Edge(edge))) continue; | |
2544 | // Ignore edge with internal vertices | |
2545 | // Standard_Integer nbVtx = 0; | |
2546 | // for (TopExp_Explorer vExp(edge,TopAbs_VERTEX); vExp.More(); vExp.Next()) nbVtx++; | |
2547 | // if (nbVtx != 2) continue; | |
2548 | // Add to BoundFaces | |
2549 | TopTools_ListOfShape listFacesCopy; | |
2550 | listFacesCopy.Append(listFaces); | |
2551 | myBoundFaces.Add(edge,listFacesCopy); | |
2552 | // Process edge vertices | |
2553 | TopoDS_Vertex vFirst, vLast; | |
2554 | TopExp::Vertices(TopoDS::Edge(edge), vFirst, vLast); | |
2555 | if(vFirst.IsNull() || vLast.IsNull()) continue; | |
2556 | if(vFirst.Orientation() == TopAbs_INTERNAL || vLast.Orientation() == TopAbs_INTERNAL) | |
2557 | continue; | |
2558 | if (isBound) { | |
2559 | // Add to VertexNode | |
2560 | if (!myVertexNode.Contains(vFirst)) | |
2561 | myVertexNode.Add(vFirst,vFirst); | |
2562 | if (!myVertexNode.Contains(vLast)) | |
2563 | myVertexNode.Add(vLast,vLast); | |
2564 | } | |
2565 | else { | |
2566 | // Add to VertexNodeFree | |
2567 | if (!myVertexNodeFree.Contains(vFirst)) | |
2568 | myVertexNodeFree.Add(vFirst,vFirst); | |
2569 | if (!myVertexNodeFree.Contains(vLast)) | |
2570 | myVertexNodeFree.Add(vLast,vLast); | |
2571 | } | |
2572 | } | |
2573 | } | |
2574 | } | |
2575 | ||
2576 | //======================================================================= | |
2577 | //function : VerticesAssembling | |
2578 | //purpose : Modifies : | |
2579 | // myVertexNode (nodes glued) | |
2580 | // myVertexNodeFree (nodes glued) | |
2581 | // myNodeSections (lists of sections merged for glued nodes) | |
2582 | // | |
2583 | //======================================================================= | |
2584 | ||
2585 | static Standard_Boolean CreateNewNodes(const TopTools_IndexedDataMapOfShapeShape& NodeNearestNode, | |
2586 | const TopTools_IndexedDataMapOfShapeListOfShape& NodeVertices, | |
2587 | TopTools_IndexedDataMapOfShapeShape& aVertexNode, | |
2588 | TopTools_DataMapOfShapeListOfShape& aNodeEdges) | |
2589 | { | |
2590 | Standard_Integer i, nbNearest = NodeNearestNode.Extent(); | |
2591 | ||
2592 | // Create new nodes | |
2593 | BRep_Builder B; | |
2594 | TopTools_DataMapOfShapeShape OldNodeNewNode; | |
2595 | TopTools_DataMapOfShapeListOfShape NewNodeOldNodes; | |
2596 | for (i = 1; i <= nbNearest; i++) { | |
2597 | // Retrieve a pair of nodes to merge | |
2598 | TopoDS_Shape oldnode1 = NodeNearestNode.FindKey(i); | |
2599 | TopoDS_Shape oldnode2 = NodeNearestNode(i); | |
2600 | // Second node should also be in the map | |
2601 | if (!NodeNearestNode.Contains(oldnode2)) continue; | |
2602 | // Get new node for old node #1 | |
2603 | if (OldNodeNewNode.IsBound(oldnode1)) { | |
2604 | TopoDS_Shape newnode1 = OldNodeNewNode(oldnode1); | |
2605 | if (OldNodeNewNode.IsBound(oldnode2)) { | |
2606 | TopoDS_Shape newnode2 = OldNodeNewNode(oldnode2); | |
2607 | if (!newnode1.IsSame(newnode2)) { | |
2608 | // Change data for new node #2 | |
2609 | TopTools_ListOfShape& lnode1 = NewNodeOldNodes(newnode1); | |
2610 | TopTools_ListIteratorOfListOfShape itn(NewNodeOldNodes(newnode2)); | |
2611 | for (; itn.More(); itn.Next()) { | |
2612 | TopoDS_Shape node2 = itn.Value(); | |
2613 | lnode1.Append(node2); | |
2614 | OldNodeNewNode(node2) = newnode1; | |
2615 | } | |
2616 | NewNodeOldNodes.UnBind(newnode2); | |
2617 | } | |
2618 | } | |
2619 | else { | |
2620 | // Old node #2 is not bound - add to old node #1 | |
2621 | OldNodeNewNode.Bind(oldnode2,newnode1); | |
2622 | NewNodeOldNodes(newnode1).Append(oldnode2); | |
2623 | } | |
2624 | } | |
2625 | else { | |
2626 | if (OldNodeNewNode.IsBound(oldnode2)) { | |
2627 | // Old node #1 is not bound - add to old node #2 | |
2628 | TopoDS_Shape newnode2 = OldNodeNewNode(oldnode2); | |
2629 | OldNodeNewNode.Bind(oldnode1,newnode2); | |
2630 | NewNodeOldNodes(newnode2).Append(oldnode1); | |
2631 | } | |
2632 | else { | |
2633 | // Nodes are not bound - create new node | |
2634 | TopoDS_Vertex newnode; | |
2635 | B.MakeVertex(newnode); | |
2636 | OldNodeNewNode.Bind(oldnode1,newnode); | |
2637 | OldNodeNewNode.Bind(oldnode2,newnode); | |
2638 | TopTools_ListOfShape lnodes; | |
2639 | lnodes.Append(oldnode1); | |
2640 | lnodes.Append(oldnode2); | |
2641 | NewNodeOldNodes.Bind(newnode,lnodes); | |
2642 | } | |
2643 | } | |
2644 | } | |
2645 | ||
2646 | // Stop if no new nodes created | |
2647 | if (!NewNodeOldNodes.Extent()) return Standard_False; | |
2648 | ||
2649 | TopTools_DataMapIteratorOfDataMapOfShapeListOfShape iter1(NewNodeOldNodes); | |
2650 | for (; iter1.More(); iter1.Next()) { | |
2651 | const TopoDS_Vertex& newnode = TopoDS::Vertex(iter1.Key()); | |
2652 | // Calculate new node center point | |
2653 | gp_XYZ theCoordinates(0.,0.,0.); | |
2654 | TopTools_ListOfShape lvert; // Accumulate node vertices | |
2655 | TopTools_MapOfShape medge; | |
2656 | TopTools_ListOfShape ledge; // Accumulate node edges | |
2657 | // Iterate on old nodes | |
2658 | TopTools_ListIteratorOfListOfShape itn(iter1.Value()); | |
2659 | for (; itn.More(); itn.Next()) { | |
2660 | const TopoDS_Shape& oldnode = itn.Value(); | |
2661 | // Iterate on node vertices | |
2662 | TopTools_ListIteratorOfListOfShape itv(NodeVertices.FindFromKey(oldnode)); | |
2663 | for (; itv.More(); itv.Next()) { | |
2664 | TopoDS_Vertex vertex = TopoDS::Vertex(itv.Value()); | |
2665 | // Change node for vertex | |
2666 | aVertexNode.ChangeFromKey(vertex) = newnode; | |
2667 | // Accumulate coordinates | |
2668 | theCoordinates += BRep_Tool::Pnt(vertex).XYZ(); | |
2669 | lvert.Append(vertex); | |
2670 | } | |
2671 | // Iterate on node edges | |
2672 | const TopTools_ListOfShape& edges = aNodeEdges(oldnode); | |
2673 | TopTools_ListIteratorOfListOfShape ite(edges); | |
2674 | for (; ite.More(); ite.Next()) { | |
2675 | TopoDS_Shape edge = ite.Value(); | |
2676 | if (!medge.Contains(edge)) { medge.Add(edge); ledge.Append(edge); } | |
2677 | } | |
2678 | // Unbind old node edges | |
2679 | aNodeEdges.UnBind(oldnode); | |
2680 | } | |
2681 | // Bind new node edges | |
2682 | aNodeEdges.Bind(newnode,ledge); | |
2683 | gp_Pnt center(theCoordinates / lvert.Extent()); | |
2684 | // Calculate new node tolerance | |
2685 | Standard_Real toler = 0.0; | |
2686 | TopTools_ListIteratorOfListOfShape itv(lvert); | |
2687 | for (; itv.More(); itv.Next()) { | |
2688 | const TopoDS_Vertex& vertex = TopoDS::Vertex(itv.Value()); | |
2689 | Standard_Real t = center.Distance(BRep_Tool::Pnt(vertex)) + BRep_Tool::Tolerance(vertex); | |
2690 | if (toler < t) toler = t; | |
2691 | } | |
2692 | // Update new node parameters | |
2693 | B.UpdateVertex(newnode,center,toler); | |
2694 | } | |
2695 | ||
2696 | return Standard_True; | |
2697 | } | |
2698 | ||
2699 | static Standard_Integer IsMergedVertices(const TopoDS_Shape& face1, | |
2700 | const TopoDS_Shape& e1, const TopoDS_Shape& e2, | |
2701 | const TopoDS_Shape& vtx1, const TopoDS_Shape& vtx2) | |
2702 | { | |
2703 | //Case of floating edges | |
2704 | if (face1.IsNull()) | |
2705 | return (!IsClosedShape(e1,vtx1,vtx2)); | |
2706 | ||
2707 | // Find wires containing given edges | |
2708 | TopoDS_Shape wire1, wire2; | |
2709 | TopExp_Explorer itw(face1,TopAbs_WIRE); | |
2710 | for (; itw.More() && (wire1.IsNull() || wire2.IsNull()); itw.Next()) { | |
2711 | TopoDS_Iterator ite(itw.Current(),Standard_False); | |
2712 | for (; ite.More() && (wire1.IsNull() || wire2.IsNull()); ite.Next()) { | |
2713 | if (wire1.IsNull() && e1.IsSame(ite.Value())) wire1 = itw.Current(); | |
2714 | if (wire2.IsNull() && e2.IsSame(ite.Value())) wire2 = itw.Current(); | |
2715 | } | |
2716 | } | |
2717 | Standard_Integer Status = 0; | |
2718 | if (!wire1.IsNull() && !wire2.IsNull()) { | |
2719 | if (wire1.IsSame(wire2)) { | |
2720 | for (TopoDS_Iterator aIte(wire1,Standard_False); aIte.More(); aIte.Next()) { | |
2721 | TopoDS_Vertex ve1,ve2; | |
2722 | TopExp::Vertices(TopoDS::Edge(aIte.Value()),ve1,ve2); | |
2723 | if ((ve1.IsSame(vtx1) && ve2.IsSame(vtx2)) || | |
2724 | (ve2.IsSame(vtx1) && ve1.IsSame(vtx2))) | |
2725 | return (IsClosedShape(aIte.Value(),vtx1,vtx2)? 0 : 1); | |
2726 | } | |
2727 | if (IsClosedShape(wire1,vtx1,vtx2)) { | |
2728 | TopoDS_Vertex V1, V2; | |
2729 | TopExp::Vertices(TopoDS::Wire(wire1),V1,V2); | |
2730 | Standard_Boolean isEndVertex = ((V1.IsSame(vtx1) && V2.IsSame(vtx2)) || | |
2731 | (V2.IsSame(vtx1) && V1.IsSame(vtx2))); | |
2732 | if (!isEndVertex) Status = 1; | |
2733 | } | |
2734 | else Status = 1; | |
2735 | } | |
2736 | else Status = -1; | |
2737 | } | |
2738 | return Status; | |
2739 | } | |
2740 | ||
2741 | static Standard_Boolean GlueVertices(TopTools_IndexedDataMapOfShapeShape& aVertexNode, | |
92434a36 A |
2742 | TopTools_DataMapOfShapeListOfShape& aNodeEdges, |
2743 | const TopTools_IndexedDataMapOfShapeListOfShape& aBoundFaces, | |
2744 | const Standard_Real Tolerance, | |
2745 | const Handle(Message_ProgressIndicator)& theProgress) | |
7fd59977 | 2746 | { |
2747 | Standard_Integer i, nbVertices = aVertexNode.Extent(); | |
2748 | // Create map of node -> vertices | |
2749 | TopTools_IndexedDataMapOfShapeListOfShape NodeVertices; | |
82192477 | 2750 | BRepBuilderAPI_CellFilter aFilter (Tolerance); |
2751 | BRepBuilderAPI_VertexInspector anInspector (Tolerance); | |
7fd59977 | 2752 | for (i = 1; i <= nbVertices; i++) { |
2753 | TopoDS_Shape vertex = aVertexNode.FindKey(i); | |
2754 | TopoDS_Vertex node = TopoDS::Vertex(aVertexNode(i)); | |
2755 | if (NodeVertices.Contains(node)) { | |
2756 | NodeVertices.ChangeFromKey(node).Append(vertex); | |
2757 | } | |
2758 | else { | |
2759 | TopTools_ListOfShape vlist; | |
2760 | vlist.Append(vertex); | |
2761 | NodeVertices.Add(node,vlist); | |
82192477 | 2762 | gp_Pnt aPnt = BRep_Tool::Pnt (TopoDS::Vertex (node)); |
2763 | aFilter.Add (NodeVertices.FindIndex (node), aPnt.XYZ()); | |
2764 | anInspector.Add (aPnt.XYZ()); | |
7fd59977 | 2765 | } |
2766 | } | |
2767 | Standard_Integer nbNodes = NodeVertices.Extent(); | |
0797d9d3 | 2768 | #ifdef OCCT_DEBUG |
7fd59977 | 2769 | cout << "Glueing " << nbNodes << " nodes..." << endl; |
2770 | #endif | |
7fd59977 | 2771 | // Merge nearest nodes |
2772 | TopTools_IndexedDataMapOfShapeShape NodeNearestNode; | |
92434a36 A |
2773 | Message_ProgressSentry aPS (theProgress, "Glueing nodes", 0, nbNodes, 1, Standard_True); |
2774 | for (i = 1; i <= nbNodes && aPS.More(); i++, aPS.Next()) { | |
7fd59977 | 2775 | TopoDS_Vertex node1 = TopoDS::Vertex(NodeVertices.FindKey(i)); |
2776 | // Find near nodes | |
82192477 | 2777 | gp_Pnt pt1 = BRep_Tool::Pnt (node1); |
2778 | anInspector.SetCurrent (pt1.XYZ()); | |
2779 | gp_XYZ aPntMin = anInspector.Shift (pt1.XYZ(), -Tolerance); | |
2780 | gp_XYZ aPntMax = anInspector.Shift (pt1.XYZ(), Tolerance); | |
2781 | aFilter.Inspect (aPntMin, aPntMax, anInspector); | |
2782 | if (anInspector.ResInd().IsEmpty()) continue; | |
7fd59977 | 2783 | // Retrieve list of edges for the first node |
2784 | const TopTools_ListOfShape& ledges1 = aNodeEdges(node1); | |
2785 | // Explore list of near nodes and fill the sequence of glued nodes | |
2786 | TopTools_SequenceOfShape SeqNodes; | |
2787 | TopTools_ListOfShape listNodesSameEdge; | |
82192477 | 2788 | //gp_Pnt pt1 = BRep_Tool::Pnt(node1); |
2789 | TColStd_ListIteratorOfListOfInteger iter1(anInspector.ResInd()); | |
7fd59977 | 2790 | for (; iter1.More(); iter1.Next()) { |
2791 | TopoDS_Vertex node2 = TopoDS::Vertex(NodeVertices.FindKey(iter1.Value())); | |
2792 | if (node1 == node2) continue; | |
2793 | // Retrieve list of edges for the second node | |
2794 | const TopTools_ListOfShape& ledges2 = aNodeEdges(node2); | |
2795 | // Check merging condition for the pair of nodes | |
2796 | Standard_Integer Status = 0, isSameEdge = Standard_False; | |
2797 | // Explore edges of the first node | |
2798 | TopTools_ListIteratorOfListOfShape Ie1(ledges1); | |
2799 | for (; Ie1.More() && !Status && !isSameEdge; Ie1.Next()) { | |
2800 | const TopoDS_Shape& e1 = Ie1.Value(); | |
2801 | // Obtain real vertex from edge | |
2802 | TopoDS_Shape v1 = node1; | |
2803 | { //szv: Use brackets to destroy local variables | |
2804 | TopoDS_Vertex ov1, ov2; | |
2805 | TopExp::Vertices(TopoDS::Edge(e1),ov1,ov2); | |
2806 | if (aVertexNode.Contains(ov1)) { | |
2807 | if (node1.IsSame(aVertexNode.FindFromKey(ov1))) v1 = ov1; | |
2808 | } | |
2809 | if (aVertexNode.Contains(ov2)) { | |
2810 | if (node1.IsSame(aVertexNode.FindFromKey(ov2))) v1 = ov2; | |
2811 | } | |
2812 | } | |
2813 | // Create map of faces for e1 | |
2814 | TopTools_MapOfShape Faces1; | |
2815 | const TopTools_ListOfShape& lfac1 = aBoundFaces.FindFromKey(e1); | |
2816 | if (lfac1.Extent()) { | |
2817 | TopTools_ListIteratorOfListOfShape itf(lfac1); | |
2818 | for (; itf.More(); itf.Next()) | |
2819 | if (!itf.Value().IsNull()) | |
2820 | Faces1.Add(itf.Value()); | |
2821 | } | |
2822 | // Explore edges of the second node | |
2823 | TopTools_ListIteratorOfListOfShape Ie2(ledges2); | |
2824 | for (; Ie2.More() && !Status && !isSameEdge; Ie2.Next()) { | |
2825 | const TopoDS_Shape& e2 = Ie2.Value(); | |
2826 | // Obtain real vertex from edge | |
2827 | TopoDS_Shape v2 = node2; | |
2828 | { //szv: Use brackets to destroy local variables | |
2829 | TopoDS_Vertex ov1, ov2; | |
2830 | TopExp::Vertices(TopoDS::Edge(e2),ov1,ov2); | |
2831 | if (aVertexNode.Contains(ov1)) { | |
2832 | if (node2.IsSame(aVertexNode.FindFromKey(ov1))) v2 = ov1; | |
2833 | } | |
2834 | if (aVertexNode.Contains(ov2)) { | |
2835 | if (node2.IsSame(aVertexNode.FindFromKey(ov2))) v2 = ov2; | |
2836 | } | |
2837 | } | |
2838 | // Explore faces for e2 | |
2839 | const TopTools_ListOfShape& lfac2 = aBoundFaces.FindFromKey(e2); | |
2840 | if (lfac2.Extent()) { | |
2841 | TopTools_ListIteratorOfListOfShape itf(lfac2); | |
2842 | for (; itf.More() && !Status && !isSameEdge; itf.Next()) { | |
2843 | // Check merging conditions for the same face | |
2844 | if (Faces1.Contains(itf.Value())) { | |
2845 | Standard_Integer stat = IsMergedVertices(itf.Value(),e1,e2,v1,v2); | |
2846 | if (stat == 1) isSameEdge = Standard_True; | |
2847 | else Status = stat; | |
2848 | } | |
2849 | } | |
2850 | } | |
2851 | else if (Faces1.IsEmpty() && e1 == e2) { | |
2852 | Standard_Integer stat = IsMergedVertices(TopoDS_Face(),e1,e1,v1,v2); | |
2853 | if (stat == 1) isSameEdge = Standard_True; | |
2854 | else Status = stat; | |
2855 | break; | |
2856 | } | |
2857 | } | |
2858 | } | |
2859 | if (Status) continue; | |
2860 | if (isSameEdge) listNodesSameEdge.Append(node2); | |
2861 | // Append near node to the sequence | |
2862 | gp_Pnt pt2 = BRep_Tool::Pnt(node2); | |
2863 | Standard_Real dist = pt1.Distance(pt2); | |
2864 | if (dist < Tolerance) { | |
2865 | Standard_Boolean isIns = Standard_False; | |
2866 | for (Standard_Integer kk = 1; kk <= SeqNodes.Length() && !isIns; kk++) { | |
2867 | gp_Pnt pt = BRep_Tool::Pnt(TopoDS::Vertex(SeqNodes.Value(kk))); | |
2868 | if (dist < pt1.Distance(pt)) { | |
2869 | SeqNodes.InsertBefore(kk,node2); | |
2870 | isIns = Standard_True; | |
2871 | } | |
2872 | } | |
2873 | if (!isIns) SeqNodes.Append(node2); | |
2874 | } | |
2875 | } | |
2876 | if (SeqNodes.Length()) { | |
2877 | // Remove nodes near to some other from the same edge | |
2878 | if (listNodesSameEdge.Extent()) { | |
2879 | TopTools_ListIteratorOfListOfShape lInt(listNodesSameEdge); | |
2880 | for (; lInt.More(); lInt.Next()) { | |
2881 | const TopoDS_Vertex& n2 = TopoDS::Vertex(lInt.Value()); | |
2882 | gp_Pnt p2 = BRep_Tool::Pnt(n2); | |
2883 | for (Standard_Integer k = 1; k <= SeqNodes.Length(); ) { | |
2884 | const TopoDS_Vertex& n1 = TopoDS::Vertex(SeqNodes.Value(k)); | |
2885 | if (n1 != n2) { | |
2886 | gp_Pnt p1 = BRep_Tool::Pnt(n1); | |
2887 | if (p2.Distance(p1) >= pt1.Distance(p1)) { k++; continue; } | |
2888 | } | |
2889 | SeqNodes.Remove(k); | |
2890 | } | |
2891 | } | |
2892 | } | |
2893 | // Bind nearest node if at least one exists | |
2894 | if (SeqNodes.Length()) | |
2895 | NodeNearestNode.Add(node1,SeqNodes.First()); | |
2896 | } | |
82192477 | 2897 | anInspector.ClearResList(); |
7fd59977 | 2898 | } |
2899 | ||
2900 | // Create new nodes for chained nearest nodes | |
2901 | if (NodeNearestNode.IsEmpty()) return Standard_False; | |
7fd59977 | 2902 | |
2903 | return CreateNewNodes(NodeNearestNode,NodeVertices,aVertexNode,aNodeEdges); | |
2904 | } | |
2905 | ||
92434a36 | 2906 | void BRepBuilderAPI_Sewing::VerticesAssembling(const Handle(Message_ProgressIndicator)& thePI) |
7fd59977 | 2907 | { |
2908 | Standard_Integer nbVert = myVertexNode.Extent(); | |
2909 | Standard_Integer nbVertFree = myVertexNodeFree.Extent(); | |
92434a36 | 2910 | Message_ProgressSentry aPS (thePI, "Vertices assembling", 0, 2, 1); |
7fd59977 | 2911 | if (nbVert || nbVertFree) { |
2912 | // Fill map node -> sections | |
2913 | Standard_Integer i; | |
2914 | for (i = 1; i <= myBoundFaces.Extent(); i++) { | |
2915 | TopoDS_Shape bound = myBoundFaces.FindKey(i); | |
2916 | for (TopoDS_Iterator itv(bound,Standard_False); itv.More(); itv.Next()) { | |
2917 | TopoDS_Shape node = itv.Value(); | |
2918 | if (myNodeSections.IsBound(node)) | |
2919 | myNodeSections(node).Append(bound); | |
2920 | else { | |
2921 | TopTools_ListOfShape lbnd; | |
2922 | lbnd.Append(bound); | |
2923 | myNodeSections.Bind(node,lbnd); | |
2924 | } | |
2925 | } | |
2926 | } | |
2927 | // Glue vertices | |
2928 | if (nbVert) { | |
0797d9d3 | 2929 | #ifdef OCCT_DEBUG |
7fd59977 | 2930 | cout << "Assemble " << nbVert << " vertices on faces..." << endl; |
2931 | #endif | |
92434a36 | 2932 | while (GlueVertices(myVertexNode,myNodeSections,myBoundFaces,myTolerance, thePI)); |
7fd59977 | 2933 | } |
92434a36 A |
2934 | if (!aPS.More()) |
2935 | return; | |
2936 | aPS.Next(); | |
7fd59977 | 2937 | if (nbVertFree) { |
0797d9d3 | 2938 | #ifdef OCCT_DEBUG |
7fd59977 | 2939 | cout << "Assemble " << nbVertFree << " vertices on floating edges..." << endl; |
2940 | #endif | |
92434a36 | 2941 | while (GlueVertices(myVertexNodeFree,myNodeSections,myBoundFaces,myTolerance, thePI)); |
7fd59977 | 2942 | } |
2943 | } | |
2944 | } | |
2945 | ||
2946 | //======================================================================= | |
2947 | //function : replaceNMVertices | |
2948 | //purpose : internal use (static) | |
2949 | //======================================================================= | |
2950 | static void replaceNMVertices(const TopoDS_Edge& theEdge, | |
2951 | const TopoDS_Vertex& theV1, | |
2952 | const TopoDS_Vertex& theV2, | |
2953 | const Handle(BRepTools_ReShape)& theReShape) | |
2954 | { | |
2955 | //To keep NM vertices on edge | |
2956 | TopTools_SequenceOfShape aSeqNMVert; | |
2957 | TColStd_SequenceOfReal aSeqNMPars; | |
2958 | Standard_Boolean hasNMVert = findNMVertices(theEdge,aSeqNMVert,aSeqNMPars); | |
2959 | if(!hasNMVert) | |
2960 | return; | |
2961 | Standard_Real first, last; | |
2962 | BRep_Tool::Range(theEdge, first, last); | |
2963 | TopLoc_Location aLoc; | |
2964 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(theEdge,aLoc,first, last); | |
2965 | if(c3d.IsNull()) | |
2966 | return; | |
2967 | TopTools_SequenceOfShape aEdVert; | |
2968 | TColStd_SequenceOfReal aEdParams; | |
2969 | Standard_Integer i =1, nb = aSeqNMPars.Length(); | |
2970 | ||
2971 | for( ; i <= nb;i++) { | |
2972 | Standard_Real apar = aSeqNMPars.Value(i); | |
2973 | if(fabs(apar - first) <= Precision::PConfusion()) { | |
2974 | theReShape->Replace(aSeqNMVert.Value(i),theV1); | |
2975 | continue; | |
2976 | } | |
2977 | if(fabs(apar - last) <= Precision::PConfusion()) { | |
2978 | theReShape->Replace(aSeqNMVert.Value(i),theV2); | |
2979 | continue; | |
2980 | } | |
2981 | TopoDS_Shape aV = aSeqNMVert.Value(i); | |
2982 | Standard_Integer j =1; | |
2983 | for( ; j <= aEdParams.Length();j++) { | |
2984 | Standard_Real apar2 = aEdParams.Value(j); | |
2985 | if(fabs(apar - apar2) <= Precision::PConfusion()) { | |
2986 | theReShape->Replace(aV,aEdVert.Value(j)); | |
2987 | break; | |
2988 | } | |
2989 | else if(apar < apar2) { | |
2990 | TopoDS_Shape anewV = aV.EmptyCopied(); | |
2991 | aEdVert.InsertBefore(j,anewV); | |
2992 | aEdParams.InsertBefore(j,apar); | |
2993 | BRep_ListOfPointRepresentation& alistrep = | |
2994 | (*((Handle(BRep_TVertex)*)&anewV.TShape()))->ChangePoints(); | |
2995 | Handle(BRep_PointOnCurve) aPRep = new BRep_PointOnCurve(apar,c3d,aLoc); | |
2996 | alistrep.Append(aPRep); | |
2997 | theReShape->Replace(aV,anewV); | |
2998 | break; | |
2999 | } | |
3000 | } | |
3001 | if (j > aEdParams.Length()) { | |
3002 | TopoDS_Shape anewV = aV.EmptyCopied(); | |
3003 | aEdVert.Append(anewV); | |
3004 | aEdParams.Append(apar); | |
3005 | BRep_ListOfPointRepresentation& alistrep = | |
3006 | (*((Handle(BRep_TVertex)*) &anewV.TShape()))->ChangePoints(); | |
3007 | Handle(BRep_PointOnCurve) aPRep = new BRep_PointOnCurve(apar,c3d,aLoc); | |
3008 | alistrep.Append(aPRep); | |
3009 | theReShape->Replace(aV,anewV); | |
3010 | } | |
3011 | } | |
3012 | ||
3013 | Standard_Integer newnb = aEdParams.Length(); | |
3014 | if(newnb < nb) { | |
3015 | ||
3016 | TopoDS_Shape anewEdge = theEdge.EmptyCopied(); | |
3017 | TopAbs_Orientation anOri = theEdge.Orientation(); | |
3018 | anewEdge.Orientation(TopAbs_FORWARD); | |
3019 | BRep_Builder aB; | |
3020 | aB.Add(anewEdge,theV1); | |
3021 | aB.Add(anewEdge,theV2); | |
3022 | ||
3023 | for( i =1; i <= aEdVert.Length();i++) | |
3024 | aB.Add(anewEdge,aEdVert.Value(i)); | |
3025 | anewEdge.Orientation(anOri); | |
3026 | theReShape->Replace(theEdge,anewEdge); | |
3027 | } | |
3028 | ||
3029 | } | |
3030 | ||
3031 | //======================================================================= | |
3032 | //function : ReplaceEdge | |
3033 | //purpose : internal use (static) | |
3034 | //======================================================================= | |
3035 | ||
3036 | static void ReplaceEdge(const TopoDS_Shape& oldEdge, | |
3037 | const TopoDS_Shape& theNewShape, | |
3038 | const Handle(BRepTools_ReShape)& aReShape) | |
3039 | { | |
3040 | TopoDS_Shape oldShape = aReShape->Apply(oldEdge); | |
3041 | TopoDS_Shape newShape = aReShape->Apply(theNewShape); | |
3042 | if (oldShape.IsSame(newShape)|| aReShape->IsRecorded(newShape)) return; | |
3043 | ||
3044 | ||
3045 | aReShape->Replace(oldShape,newShape); | |
3046 | TopoDS_Vertex V1old,V2old,V1new,V2new; | |
3047 | TopExp::Vertices(TopoDS::Edge(oldShape),V1old,V2old); | |
3048 | TopAbs_Orientation Orold = oldShape.Orientation(); | |
3049 | TopAbs_Orientation Ornew = Orold; | |
3050 | if (newShape.ShapeType() == TopAbs_EDGE) { | |
3051 | TopoDS_Edge aEn = TopoDS::Edge(newShape); | |
3052 | TopExp::Vertices(aEn,V1new,V2new); | |
3053 | Ornew = aEn.Orientation(); | |
3054 | replaceNMVertices(aEn,V1new,V2new,aReShape); | |
3055 | } | |
3056 | else if (newShape.ShapeType() == TopAbs_WIRE) { | |
3057 | for (TopExp_Explorer aex(newShape,TopAbs_EDGE); aex.More(); aex.Next()) { | |
3058 | TopoDS_Edge ed = TopoDS::Edge(aex.Current()); | |
3059 | Ornew = ed.Orientation(); | |
3060 | TopoDS_Vertex aV1,aV2; | |
3061 | TopExp::Vertices(ed,aV1,aV2); | |
3062 | replaceNMVertices(ed,aV1,aV2,aReShape); | |
3063 | if (V1new.IsNull()) | |
3064 | V1new = aV1; | |
3065 | V2new =aV2; | |
3066 | } | |
3067 | } | |
3068 | ||
3069 | V1new.Orientation(V1old.Orientation()); | |
3070 | V2new.Orientation(V2old.Orientation()); | |
3071 | if (V1old.IsSame(V2old) && !V1old.IsSame(V1new)&& !aReShape->IsRecorded(V1new)) { | |
3072 | aReShape->Replace(V1old,V1new); | |
3073 | return; | |
3074 | } | |
3075 | if (Orold == Ornew) { | |
3076 | V1new.Orientation(V1old.Orientation()); | |
3077 | V2new.Orientation(V2old.Orientation()); | |
3078 | if (!V1old.IsSame(V1new) && !V1old.IsSame(V2new)&& !aReShape->IsRecorded(V1new)) | |
3079 | aReShape->Replace(V1old,V1new); | |
3080 | if (!V2old.IsSame(V2new) && !V2old.IsSame(V1new)&& !aReShape->IsRecorded(V2new)) | |
3081 | aReShape->Replace(V2old,V2new); | |
3082 | } | |
3083 | else { | |
3084 | V1new.Orientation(V2old.Orientation()); | |
3085 | V2new.Orientation(V1old.Orientation()); | |
3086 | if (!V1old.IsSame(V2new) && !V1old.IsSame(V1new)&& !aReShape->IsRecorded(V2new)) | |
3087 | aReShape->Replace(V1old,V2new); | |
3088 | if (!V2old.IsSame(V2new) && !V2old.IsSame(V1new)&& !aReShape->IsRecorded(V1new)) | |
3089 | aReShape->Replace(V2old,V1new); | |
3090 | } | |
3091 | } | |
3092 | ||
3093 | //======================================================================= | |
3094 | //function : Merging | |
3095 | //purpose : Modifies : | |
3096 | // myHasFreeBound | |
3097 | // | |
3098 | //======================================================================= | |
3099 | ||
92434a36 A |
3100 | void BRepBuilderAPI_Sewing::Merging(const Standard_Boolean /* firstTime */, |
3101 | const Handle(Message_ProgressIndicator)& thePI) | |
7fd59977 | 3102 | { |
3103 | BRep_Builder B; | |
3104 | // TopTools_MapOfShape MergedEdges; | |
92434a36 A |
3105 | Message_ProgressSentry aPS (thePI, "Merging bounds", 0, myBoundFaces.Extent(), 1); |
3106 | for (Standard_Integer i = 1; i <= myBoundFaces.Extent() && aPS.More(); i++, aPS.Next()) { | |
7fd59977 | 3107 | |
3108 | TopoDS_Shape bound = myBoundFaces.FindKey(i); | |
3109 | ||
3110 | // If bound was already merged - continue | |
3111 | if (myMergedEdges.Contains(bound)) continue; | |
3112 | ||
3113 | if (!myBoundFaces(i).Extent()) { | |
3114 | // Merge free edge - only vertices | |
3115 | TopoDS_Vertex no1, no2; | |
3116 | TopExp::Vertices(TopoDS::Edge(bound),no1,no2); | |
3117 | TopoDS_Shape nno1 = no1, nno2 = no2; | |
3118 | if (myVertexNodeFree.Contains(no1)) | |
3119 | nno1 = myVertexNodeFree.FindFromKey(no1); | |
3120 | if (myVertexNodeFree.Contains(no2)) | |
3121 | nno2 = myVertexNodeFree.FindFromKey(no2); | |
3122 | if (!no1.IsSame(nno1)) { | |
3123 | nno1.Orientation(no1.Orientation()); | |
3124 | myReShape->Replace(no1,nno1); | |
3125 | } | |
3126 | if (!no2.IsSame(nno2)) { | |
3127 | nno2.Orientation(no2.Orientation()); | |
3128 | myReShape->Replace(no2,nno2); | |
3129 | } | |
3130 | myMergedEdges.Add(bound); | |
3131 | continue; | |
3132 | } | |
3133 | ||
3134 | // Check for previous splitting, build replacing wire | |
3135 | TopoDS_Wire BoundWire; | |
3136 | Standard_Boolean isPrevSplit = Standard_False; | |
3137 | Standard_Boolean hasCuttingSections = myBoundSections.IsBound(bound); | |
3138 | if (hasCuttingSections) { | |
3139 | B.MakeWire(BoundWire); | |
3140 | BoundWire.Orientation(bound.Orientation()); | |
3141 | // Iterate on cutting sections | |
3142 | TopTools_ListIteratorOfListOfShape its(myBoundSections(bound)); | |
3143 | for (; its.More(); its.Next()) { | |
3144 | TopoDS_Shape section = its.Value(); | |
3145 | B.Add(BoundWire,section); | |
3146 | if (myMergedEdges.Contains(section)) isPrevSplit = Standard_True; | |
3147 | } | |
3148 | } | |
3149 | ||
3150 | // Merge with bound | |
3151 | TopTools_DataMapOfShapeShape MergedWithBound; | |
3152 | if (!isPrevSplit) { | |
3153 | // Obtain sequence of edges merged with bound | |
3154 | TopTools_SequenceOfShape seqMergedWithBound; | |
3155 | TColStd_SequenceOfInteger seqMergedWithBoundOri; | |
3156 | if (MergedNearestEdges(bound,seqMergedWithBound,seqMergedWithBoundOri)) { | |
3157 | // Store bound in the map | |
3158 | MergedWithBound.Bind(bound,bound); | |
3159 | // Iterate on edges merged with bound | |
3160 | Standard_Integer ii = 1; | |
3161 | while (ii <= seqMergedWithBound.Length()) { | |
3162 | TopoDS_Shape iedge = seqMergedWithBound.Value(ii); | |
3163 | // Remove edge if recorded as merged | |
3164 | Standard_Boolean isRejected = (myMergedEdges.Contains(iedge) || | |
3165 | MergedWithBound.IsBound(iedge)); | |
3166 | if (!isRejected) { | |
3167 | if (myBoundSections.IsBound(iedge)) { | |
3168 | // Edge is splitted - check sections | |
3169 | TopTools_ListIteratorOfListOfShape lit(myBoundSections(iedge)); | |
3170 | for (; lit.More() && !isRejected; lit.Next()) { | |
3171 | const TopoDS_Shape& sec = lit.Value(); | |
3172 | // Remove edge (bound) if at least one of its sections already merged | |
3173 | isRejected = (myMergedEdges.Contains(sec) || MergedWithBound.IsBound(sec)); | |
3174 | } | |
3175 | } | |
3176 | if (!isRejected) { | |
3177 | if (mySectionBound.IsBound(iedge)) { | |
3178 | // Edge is a section - check bound | |
3179 | const TopoDS_Shape& bnd = mySectionBound(iedge); | |
3180 | // Remove edge (section) if its bound already merged | |
3181 | isRejected = (myMergedEdges.Contains(bnd) || MergedWithBound.IsBound(bnd)); | |
3182 | } | |
3183 | } | |
3184 | } | |
3185 | // To the next merged edge | |
3186 | if (isRejected) { | |
3187 | // Remove rejected edge | |
3188 | seqMergedWithBound.Remove(ii); | |
3189 | seqMergedWithBoundOri.Remove(ii); | |
3190 | } | |
3191 | else { | |
3192 | // Process accepted edge | |
3193 | MergedWithBound.Bind(iedge,iedge); | |
3194 | ii++; | |
3195 | } | |
3196 | } | |
3197 | Standard_Integer nbMerged = seqMergedWithBound.Length(); | |
3198 | if (nbMerged) { | |
3199 | // Create same parameter edge | |
3200 | TopTools_MapOfShape ActuallyMerged; | |
3201 | TopoDS_Edge MergedEdge = SameParameterEdge(bound,seqMergedWithBound, | |
3202 | seqMergedWithBoundOri, | |
3203 | ActuallyMerged,myReShape); | |
3204 | Standard_Boolean isForward = Standard_False; | |
3205 | if (!MergedEdge.IsNull()) isForward = (MergedEdge.Orientation() == TopAbs_FORWARD); | |
3206 | // Process actually merged edges | |
3207 | Standard_Integer nbActuallyMerged = 0; | |
3208 | for (ii = 1; ii <= nbMerged; ii++) { | |
3209 | TopoDS_Shape iedge = seqMergedWithBound(ii); | |
3210 | if (ActuallyMerged.Contains(iedge)) { | |
3211 | nbActuallyMerged++; | |
3212 | // Record merged edge in the map | |
3213 | TopAbs_Orientation orient = iedge.Orientation(); | |
3214 | if (!isForward) orient = TopAbs::Reverse(orient); | |
3215 | if (!seqMergedWithBoundOri(ii)) orient = TopAbs::Reverse(orient); | |
3216 | MergedWithBound.ChangeFind(iedge) = MergedEdge.Oriented(orient); | |
3217 | } | |
3218 | else MergedWithBound.UnBind(iedge); | |
3219 | } | |
3220 | if (nbActuallyMerged) { | |
3221 | // Record merged bound in the map | |
3222 | TopAbs_Orientation orient = bound.Orientation(); | |
3223 | if (!isForward) orient = TopAbs::Reverse(orient); | |
3224 | MergedWithBound.ChangeFind(bound) = MergedEdge.Oriented(orient); | |
3225 | } | |
3226 | nbMerged = nbActuallyMerged; | |
3227 | } | |
3228 | // Remove bound from the map if not finally merged | |
3229 | if (!nbMerged) MergedWithBound.UnBind(bound); | |
3230 | } | |
3231 | } | |
3232 | Standard_Boolean isMerged = MergedWithBound.Extent(); | |
3233 | ||
3234 | // Merge with cutting sections | |
3235 | Handle(BRepTools_ReShape) SectionsReShape = new BRepTools_ReShape; | |
3236 | TopTools_DataMapOfShapeShape MergedWithSections; | |
3237 | if (hasCuttingSections) { | |
3238 | // Iterate on cutting sections | |
3239 | TopTools_ListIteratorOfListOfShape its(myBoundSections(bound)); | |
3240 | for (; its.More(); its.Next()) { | |
3241 | // Retrieve cutting section | |
3242 | TopoDS_Shape section = its.Value(); | |
3243 | // Skip section if already merged | |
3244 | if (myMergedEdges.Contains(section)) continue; | |
3245 | // Merge cutting section | |
3246 | TopTools_SequenceOfShape seqMergedWithSection; | |
3247 | TColStd_SequenceOfInteger seqMergedWithSectionOri; | |
3248 | if (MergedNearestEdges(section,seqMergedWithSection,seqMergedWithSectionOri)) { | |
3249 | // Store section in the map | |
3250 | MergedWithSections.Bind(section,section); | |
3251 | // Iterate on edges merged with section | |
3252 | Standard_Integer ii = 1; | |
3253 | while (ii <= seqMergedWithSection.Length()) { | |
3254 | TopoDS_Shape iedge = seqMergedWithSection.Value(ii); | |
3255 | // Remove edge if recorded as merged | |
3256 | Standard_Boolean isRejected = (myMergedEdges.Contains(iedge) || MergedWithSections.IsBound(iedge)); | |
3257 | if (!isRejected) { | |
3258 | if (myBoundSections.IsBound(iedge)) { | |
3259 | // Edge is splitted - check sections | |
3260 | TopTools_ListIteratorOfListOfShape lit(myBoundSections(iedge)); | |
3261 | for (; lit.More() && !isRejected; lit.Next()) { | |
3262 | const TopoDS_Shape& sec = lit.Value(); | |
3263 | // Remove edge (bound) if at least one of its sections already merged | |
3264 | isRejected = (myMergedEdges.Contains(sec) || MergedWithSections.IsBound(sec)); | |
3265 | } | |
3266 | } | |
3267 | if (!isRejected) { | |
3268 | if (mySectionBound.IsBound(iedge)) { | |
3269 | // Edge is a section - check bound | |
3270 | const TopoDS_Shape& bnd = mySectionBound(iedge); | |
3271 | // Remove edge (section) if its bound already merged | |
3272 | isRejected = (myMergedEdges.Contains(bnd) || MergedWithSections.IsBound(bnd)); | |
3273 | } | |
3274 | } | |
3275 | } | |
3276 | // To the next merged edge | |
3277 | if (isRejected) { | |
3278 | // Remove rejected edge | |
3279 | seqMergedWithSection.Remove(ii); | |
3280 | seqMergedWithSectionOri.Remove(ii); | |
3281 | } | |
3282 | else { | |
3283 | // Process accepted edge | |
3284 | MergedWithSections.Bind(iedge,iedge); | |
3285 | ii++; | |
3286 | } | |
3287 | } | |
3288 | Standard_Integer nbMerged = seqMergedWithSection.Length(); | |
3289 | if (nbMerged) { | |
3290 | // Create same parameter edge | |
3291 | TopTools_MapOfShape ActuallyMerged; | |
3292 | TopoDS_Edge MergedEdge = SameParameterEdge(section,seqMergedWithSection, | |
3293 | seqMergedWithSectionOri, | |
3294 | ActuallyMerged,SectionsReShape); | |
3295 | Standard_Boolean isForward = Standard_False; | |
3296 | if (!MergedEdge.IsNull()) isForward = (MergedEdge.Orientation() == TopAbs_FORWARD); | |
3297 | // Process actually merged edges | |
3298 | Standard_Integer nbActuallyMerged = 0; | |
3299 | for (ii = 1; ii <= nbMerged; ii++) { | |
3300 | TopoDS_Shape iedge = seqMergedWithSection(ii); | |
3301 | if (ActuallyMerged.Contains(iedge)) { | |
3302 | nbActuallyMerged++; | |
3303 | // Record merged edge in the map | |
3304 | TopAbs_Orientation orient = iedge.Orientation(); | |
3305 | if (!isForward) orient = TopAbs::Reverse(orient); | |
3306 | if (!seqMergedWithSectionOri(ii)) orient = TopAbs::Reverse(orient); | |
3307 | TopoDS_Shape oedge = MergedEdge.Oriented(orient); | |
3308 | MergedWithSections.ChangeFind(iedge) = oedge; | |
3309 | ReplaceEdge(myReShape->Apply(iedge),oedge,SectionsReShape); | |
3310 | } | |
3311 | else MergedWithSections.UnBind(iedge); | |
3312 | } | |
3313 | if (nbActuallyMerged) { | |
3314 | // Record merged section in the map | |
3315 | TopAbs_Orientation orient = section.Orientation(); | |
3316 | if (!isForward) orient = TopAbs::Reverse(orient); | |
3317 | TopoDS_Shape oedge = MergedEdge.Oriented(orient); | |
3318 | MergedWithSections.ChangeFind(section) = oedge; | |
3319 | ReplaceEdge(myReShape->Apply(section),oedge,SectionsReShape); | |
3320 | } | |
3321 | nbMerged = nbActuallyMerged; | |
3322 | } | |
3323 | // Remove section from the map if not finally merged | |
3324 | if (!nbMerged) MergedWithSections.UnBind(section); | |
3325 | } | |
3326 | else if (isMerged) { | |
3327 | // Reject merging of sections | |
3328 | MergedWithSections.Clear(); | |
3329 | break; | |
3330 | } | |
3331 | } | |
3332 | } | |
3333 | Standard_Boolean isMergedSplit = MergedWithSections.Extent(); | |
3334 | ||
3335 | if (!isMerged && !isMergedSplit) { | |
3336 | // Nothing was merged in this iteration | |
3337 | if (isPrevSplit) { | |
3338 | // Replace previously splitted bound | |
3339 | myReShape->Replace(myReShape->Apply(bound),myReShape->Apply(BoundWire)); | |
3340 | } | |
3341 | // else if (hasCuttingSections) { | |
3342 | // myBoundSections.UnBind(bound); //szv: are you sure ??? | |
3343 | // } | |
3344 | continue; | |
3345 | } | |
3346 | ||
3347 | // Set splitting flag | |
3348 | Standard_Boolean isSplitted = ((!isMerged && isMergedSplit) || isPrevSplit); | |
3349 | ||
3350 | // Choose between bound and sections merging | |
3351 | if (isMerged && isMergedSplit && !isPrevSplit) { | |
3352 | // Fill map of merged cutting sections | |
3353 | TopTools_MapOfShape MapSplitEdges; | |
3354 | TopTools_DataMapIteratorOfDataMapOfShapeShape itm; | |
3355 | for (itm.Initialize(MergedWithSections); itm.More(); itm.Next()) { | |
3356 | TopoDS_Shape edge = itm.Key(); | |
3357 | MapSplitEdges.Add(edge); | |
3358 | } | |
3359 | // Iterate on edges merged with bound | |
3360 | for (itm.Initialize(MergedWithBound); itm.More(); itm.Next()) { | |
3361 | // Retrieve edge merged with bound | |
3362 | TopoDS_Shape edge = itm.Key(); | |
3363 | // Remove edge from the map | |
3364 | if (MapSplitEdges.Contains(edge)) MapSplitEdges.Remove(edge); | |
3365 | if (myBoundSections.IsBound(edge)) { | |
3366 | // Edge has cutting sections | |
3367 | TopTools_ListIteratorOfListOfShape its(myBoundSections(edge)); | |
3368 | for (; its.More(); its.Next()) { | |
3369 | TopoDS_Shape sec = its.Value(); | |
3370 | // Remove section from the map | |
3371 | if (MapSplitEdges.Contains(sec)) MapSplitEdges.Remove(sec); | |
3372 | } | |
3373 | } | |
3374 | } | |
3375 | // Calculate section merging tolerance | |
3376 | Standard_Real MinSplitTol = RealLast(); | |
3377 | TopTools_MapIteratorOfMapOfShape im(MapSplitEdges); | |
3378 | for (; im.More(); im.Next()) { | |
3379 | TopoDS_Edge edge = TopoDS::Edge(MergedWithSections(im.Key())); | |
3380 | MinSplitTol = Min(MinSplitTol,BRep_Tool::Tolerance(edge)); | |
3381 | } | |
3382 | // Calculate bound merging tolerance | |
3383 | TopoDS_Edge BoundEdge = TopoDS::Edge(MergedWithBound(bound)); | |
3384 | Standard_Real BoundEdgeTol = BRep_Tool::Tolerance(BoundEdge); | |
3385 | isSplitted = ((MinSplitTol < BoundEdgeTol+MinTolerance()) || myNonmanifold); | |
3386 | isSplitted = (!MapSplitEdges.IsEmpty() && isSplitted); | |
3387 | } | |
3388 | ||
3389 | if (isSplitted) { | |
3390 | // Merging of cutting sections | |
3391 | //myMergedEdges.Add(bound); | |
3392 | myReShape->Replace(myReShape->Apply(bound),myReShape->Apply(BoundWire)); | |
3393 | TopTools_DataMapIteratorOfDataMapOfShapeShape itm(MergedWithSections); | |
3394 | for (; itm.More(); itm.Next()) { | |
3395 | TopoDS_Shape oldedge = itm.Key(); | |
3396 | TopoDS_Shape newedge = SectionsReShape->Apply(itm.Value()); | |
3397 | ReplaceEdge(myReShape->Apply(oldedge),newedge,myReShape); | |
3398 | myMergedEdges.Add(oldedge); | |
3399 | if (myBoundSections.IsBound(oldedge)) myBoundSections.UnBind(oldedge); | |
3400 | ||
3401 | } | |
3402 | } | |
3403 | else { | |
3404 | // Merging of initial bound | |
3405 | TopTools_DataMapIteratorOfDataMapOfShapeShape itm(MergedWithBound); | |
3406 | //myMergedEdges.Add(bound); | |
3407 | for (; itm.More(); itm.Next()) { | |
3408 | TopoDS_Shape oldedge = itm.Key(); | |
3409 | TopoDS_Shape newedge = itm.Value(); | |
3410 | ReplaceEdge(myReShape->Apply(oldedge),newedge,myReShape); | |
3411 | myMergedEdges.Add(oldedge); | |
3412 | if (myBoundSections.IsBound(oldedge)) myBoundSections.UnBind(oldedge); | |
3413 | } | |
3414 | if (myBoundSections.IsBound(bound)) myBoundSections.UnBind(bound); | |
3415 | if(!myMergedEdges.Contains(bound)) | |
3416 | myMergedEdges.Add(bound); | |
3417 | } | |
3418 | } | |
3419 | ||
3420 | myNbVertices = myVertexNode.Extent() + myVertexNodeFree.Extent(); | |
3421 | myNodeSections.Clear(); | |
3422 | myVertexNode.Clear(); | |
3423 | myVertexNodeFree.Clear(); | |
3424 | myCuttingNode.Clear(); | |
3425 | } | |
3426 | ||
3427 | //======================================================================= | |
3428 | //function : MergedNearestEdges | |
3429 | //purpose : | |
3430 | //======================================================================= | |
3431 | ||
3432 | Standard_Boolean BRepBuilderAPI_Sewing::MergedNearestEdges(const TopoDS_Shape& edge, | |
3433 | TopTools_SequenceOfShape& SeqMergedEdge, | |
3434 | TColStd_SequenceOfInteger& SeqMergedOri) | |
3435 | { | |
3436 | // Retrieve edge nodes | |
3437 | TopoDS_Vertex no1, no2; | |
3438 | TopExp::Vertices(TopoDS::Edge(edge),no1,no2); | |
3439 | TopoDS_Shape nno1 = no1, nno2 = no2; | |
3440 | Standard_Boolean isNode1 = myVertexNode.Contains(no1); | |
3441 | Standard_Boolean isNode2 = myVertexNode.Contains(no2); | |
3442 | if (isNode1) nno1 = myVertexNode.FindFromKey(no1); | |
3443 | if (isNode2) nno2 = myVertexNode.FindFromKey(no2); | |
3444 | ||
3445 | // Fill map of nodes connected to the node #1 | |
3446 | TopTools_MapOfShape mapVert1; | |
3447 | mapVert1.Add(nno1); | |
3448 | if (myCuttingNode.IsBound(nno1)) { | |
3449 | TopTools_ListIteratorOfListOfShape ilv(myCuttingNode(nno1)); | |
3450 | for (; ilv.More(); ilv.Next()) { | |
3451 | TopoDS_Shape v1 = ilv.Value(); | |
3452 | mapVert1.Add(v1); | |
3453 | if (!isNode1 && myCuttingNode.IsBound(v1)) { | |
3454 | TopTools_ListIteratorOfListOfShape ilvn(myCuttingNode(v1)); | |
3455 | for (; ilvn.More(); ilvn.Next()) { | |
3456 | TopoDS_Shape vn = ilvn.Value(); | |
3457 | mapVert1.Add(vn); | |
3458 | } | |
3459 | } | |
3460 | } | |
3461 | } | |
3462 | ||
3463 | // Fill map of nodes connected to the node #2 | |
3464 | TopTools_MapOfShape mapVert2; | |
3465 | mapVert2.Add(nno2); | |
3466 | if (myCuttingNode.IsBound(nno2)) { | |
3467 | TopTools_ListIteratorOfListOfShape ilv(myCuttingNode(nno2)); | |
3468 | for (; ilv.More(); ilv.Next()) { | |
3469 | TopoDS_Shape v1 = ilv.Value(); | |
3470 | mapVert2.Add(v1); | |
3471 | if (!isNode2 && myCuttingNode.IsBound(v1)) { | |
3472 | TopTools_ListIteratorOfListOfShape ilvn(myCuttingNode(v1)); | |
3473 | for (; ilvn.More(); ilvn.Next()) { | |
3474 | TopoDS_Shape vn = ilvn.Value(); | |
3475 | mapVert2.Add(vn); | |
3476 | } | |
3477 | } | |
3478 | } | |
3479 | } | |
3480 | ||
3481 | // Find all possible contigous edges | |
3482 | TopTools_SequenceOfShape seqEdges; | |
3483 | seqEdges.Append(edge); | |
3484 | TopTools_MapOfShape mapEdges; | |
3485 | mapEdges.Add(edge); | |
3486 | for (TopTools_MapIteratorOfMapOfShape imv1(mapVert1); imv1.More(); imv1.Next()) { | |
3487 | TopoDS_Shape node1 = imv1.Key(); | |
3488 | if (!myNodeSections.IsBound(node1)) continue; | |
3489 | TopTools_ListIteratorOfListOfShape ilsec(myNodeSections(node1)); | |
3490 | for (; ilsec.More(); ilsec.Next()) { | |
3491 | TopoDS_Shape sec = ilsec.Value(); | |
3492 | if (sec.IsSame(edge)) continue; | |
3493 | // Retrieve section nodes | |
3494 | TopoDS_Vertex vs1, vs2; | |
3495 | TopExp::Vertices(TopoDS::Edge(sec),vs1,vs2); | |
3496 | TopoDS_Shape vs1n = vs1, vs2n = vs2; | |
3497 | if (myVertexNode.Contains(vs1)) vs1n = myVertexNode.FindFromKey(vs1); | |
3498 | if (myVertexNode.Contains(vs2)) vs2n = myVertexNode.FindFromKey(vs2); | |
3499 | if ((mapVert1.Contains(vs1n) && mapVert2.Contains(vs2n)) || | |
3500 | (mapVert1.Contains(vs2n) && mapVert2.Contains(vs1n))) | |
3501 | if (mapEdges.Add(sec)) { | |
3502 | // Check for rejected cutting | |
3503 | Standard_Boolean isRejected = myMergedEdges.Contains(sec); | |
3504 | if(!isRejected && myBoundSections.IsBound(sec)) | |
3505 | { | |
3506 | TopTools_ListIteratorOfListOfShape its(myBoundSections(sec)); | |
3507 | for (; its.More() && !isRejected; its.Next()) { | |
3508 | TopoDS_Shape section = its.Value(); | |
3509 | ||
3510 | if (myMergedEdges.Contains(section)) | |
3511 | isRejected = Standard_True; | |
3512 | } | |
3513 | } | |
3514 | if( !isRejected && mySectionBound.IsBound(sec)) { | |
3515 | const TopoDS_Shape& bnd = mySectionBound(sec); | |
3516 | isRejected = (!myBoundSections.IsBound(bnd) || | |
3517 | myMergedEdges.Contains(bnd)); | |
3518 | } | |
3519 | ||
3520 | if (!isRejected) seqEdges.Append(sec); | |
3521 | } | |
3522 | } | |
3523 | } | |
3524 | ||
3525 | mapEdges.Clear(); | |
3526 | ||
3527 | Standard_Boolean success = Standard_False; | |
3528 | ||
3529 | Standard_Integer nbSection = seqEdges.Length(); | |
3530 | if (nbSection > 1) { | |
3531 | // Find the longest edge CCI60011 | |
3532 | Standard_Integer i, indRef = 1; | |
3533 | if (myNonmanifold) { | |
3534 | Standard_Real lenRef = 0.; | |
3535 | for (i = 1; i <= nbSection; i++) { | |
3536 | Standard_Real f, l; | |
3537 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(TopoDS::Edge(seqEdges(i)), f, l); | |
3538 | GeomAdaptor_Curve cAdapt(c3d); | |
3539 | Standard_Real len = GCPnts_AbscissaPoint::Length(cAdapt, f, l); | |
3540 | if (len > lenRef) { indRef = i; lenRef = len; } | |
3541 | } | |
3542 | if (indRef != 1) { | |
3543 | TopoDS_Shape longEdge = seqEdges(indRef); | |
3544 | seqEdges(indRef) = seqEdges(1); | |
3545 | seqEdges(1) = longEdge; | |
3546 | } | |
3547 | } | |
3548 | ||
3549 | // Find merging candidates | |
3550 | TColStd_SequenceOfInteger seqForward; | |
3551 | TColStd_SequenceOfInteger seqCandidates; | |
3552 | TColStd_IndexedMapOfInteger mapReference; | |
5b14f800 | 3553 | mapReference.Add(indRef); // Add index of reference section |
7fd59977 | 3554 | if (FindCandidates(seqEdges,mapReference,seqCandidates,seqForward)) { |
3555 | Standard_Integer nbCandidates = seqCandidates.Length(); | |
7fd59977 | 3556 | // Record candidate sections |
3557 | for (i = 1; i <= nbCandidates; i++) { | |
3558 | // Retrieve merged edge | |
3559 | TopoDS_Shape iedge = seqEdges(seqCandidates(i)); | |
5b14f800 | 3560 | Standard_Integer ori = (seqForward(i))? 1 : 0; |
7fd59977 | 3561 | SeqMergedEdge.Append(iedge); |
3562 | SeqMergedOri.Append(ori); | |
3563 | if (!myNonmanifold) break; | |
3564 | } | |
3565 | success = nbCandidates; | |
3566 | } | |
3567 | } | |
3568 | ||
3569 | return success; | |
3570 | } | |
3571 | ||
3572 | //======================================================================= | |
3573 | //function : Cutting | |
3574 | //purpose : Modifies : | |
3575 | // myBoundSections | |
3576 | // myNodeSections | |
3577 | // myCuttingNode | |
3578 | //======================================================================= | |
3579 | ||
92434a36 | 3580 | void BRepBuilderAPI_Sewing::Cutting(const Handle(Message_ProgressIndicator)& thePI) |
7fd59977 | 3581 | { |
3582 | Standard_Integer i, nbVertices = myVertexNode.Extent(); | |
3583 | if (!nbVertices) return; | |
82192477 | 3584 | // Create a box tree with vertices |
7fd59977 | 3585 | Standard_Real eps = myTolerance*0.5; |
82192477 | 3586 | BRepBuilderAPI_BndBoxTree aTree; |
3587 | NCollection_UBTreeFiller <Standard_Integer, Bnd_Box> aTreeFiller (aTree); | |
3588 | BRepBuilderAPI_BndBoxTreeSelector aSelector; | |
7fd59977 | 3589 | for (i = 1; i <= nbVertices; i++) { |
3590 | gp_Pnt pt = BRep_Tool::Pnt(TopoDS::Vertex(myVertexNode.FindKey(i))); | |
3591 | Bnd_Box aBox; | |
3592 | aBox.Set(pt); | |
3593 | aBox.Enlarge(eps); | |
82192477 | 3594 | aTreeFiller.Add (i, aBox); |
7fd59977 | 3595 | } |
82192477 | 3596 | aTreeFiller.Fill(); |
3597 | ||
7fd59977 | 3598 | Handle(Geom_Curve) c3d; |
3599 | TopLoc_Location loc; | |
3600 | Standard_Real first, last; | |
3601 | // Iterate on all boundaries | |
3602 | Standard_Integer nbBounds = myBoundFaces.Extent(); | |
92434a36 A |
3603 | Message_ProgressSentry aPS (thePI, "Cutting bounds", 0, nbBounds, 1); |
3604 | for (i = 1; i <= nbBounds && aPS.More(); i++, aPS.Next()) { | |
7fd59977 | 3605 | const TopoDS_Edge& bound = TopoDS::Edge(myBoundFaces.FindKey(i)); |
3606 | // Do not cut floating edges | |
3607 | if (!myBoundFaces(i).Extent()) continue; | |
de10d8b1 | 3608 | // Obtain bound curve |
3609 | c3d = BRep_Tool::Curve(bound, loc, first, last); | |
3610 | if (c3d.IsNull()) continue; | |
3611 | if (!loc.IsIdentity()) { | |
3612 | c3d = Handle(Geom_Curve)::DownCast(c3d->Copy()); | |
3613 | c3d->Transform(loc.Transformation()); | |
3614 | } | |
7fd59977 | 3615 | // Create cutting sections |
3616 | TopTools_ListOfShape listSections; | |
3617 | { //szv: Use brackets to destroy local variables | |
7fd59977 | 3618 | // Obtain candidate vertices |
3619 | TopoDS_Vertex V1, V2; | |
3620 | TopTools_IndexedMapOfShape CandidateVertices; | |
3621 | { //szv: Use brackets to destroy local variables | |
3622 | // Create bounding box around curve | |
3623 | Bnd_Box aGlobalBox; | |
3624 | GeomAdaptor_Curve adptC(c3d,first,last); | |
3625 | BndLib_Add3dCurve::Add(adptC,myTolerance,aGlobalBox); | |
3626 | // Sort vertices to find candidates | |
82192477 | 3627 | aSelector.SetCurrent (aGlobalBox); |
3628 | aTree.Select (aSelector); | |
7fd59977 | 3629 | // Skip bound if no node is in the boundind box |
82192477 | 3630 | if (!aSelector.ResInd().Extent()) continue; |
7fd59977 | 3631 | // Retrieve bound nodes |
3632 | TopExp::Vertices(bound,V1,V2); | |
3633 | const TopoDS_Shape& Node1 = myVertexNode.FindFromKey(V1); | |
3634 | const TopoDS_Shape& Node2 = myVertexNode.FindFromKey(V2); | |
3635 | // Fill map of candidate vertices | |
82192477 | 3636 | TColStd_ListIteratorOfListOfInteger itl(aSelector.ResInd()); |
7fd59977 | 3637 | for (; itl.More(); itl.Next()) { |
3638 | const Standard_Integer index = itl.Value(); | |
3639 | const TopoDS_Shape& Node = myVertexNode.FindFromIndex(index); | |
3640 | if (!Node.IsSame(Node1) && !Node.IsSame(Node2)) { | |
3641 | TopoDS_Shape vertex = myVertexNode.FindKey(index); | |
3642 | CandidateVertices.Add(vertex); | |
3643 | } | |
3644 | } | |
82192477 | 3645 | aSelector.ClearResList(); |
7fd59977 | 3646 | } |
3647 | Standard_Integer nbCandidates = CandidateVertices.Extent(); | |
3648 | if (!nbCandidates) continue; | |
3649 | // Project vertices on curve | |
3650 | TColStd_Array1OfReal arrPara(1,nbCandidates), arrDist(1,nbCandidates); | |
3651 | TColgp_Array1OfPnt arrPnt(1,nbCandidates), arrProj(1,nbCandidates); | |
3652 | for (Standard_Integer j = 1; j <= nbCandidates; j++) | |
3653 | arrPnt(j) = BRep_Tool::Pnt(TopoDS::Vertex(CandidateVertices(j))); | |
2028d00c | 3654 | ProjectPointsOnCurve(arrPnt,c3d,first,last,arrDist,arrPara,arrProj,Standard_True); |
7fd59977 | 3655 | // Create cutting nodes |
3656 | TopTools_SequenceOfShape seqNode; | |
3657 | TColStd_SequenceOfReal seqPara; | |
3658 | CreateCuttingNodes(CandidateVertices,bound, | |
3659 | V1,V2,arrDist,arrPara,arrProj,seqNode,seqPara); | |
3660 | if (!seqPara.Length()) continue; | |
3661 | // Create cutting sections | |
3662 | CreateSections(bound, seqNode, seqPara, listSections); | |
3663 | } | |
3664 | if (listSections.Extent() > 1) { | |
3665 | // modification of maps: | |
3666 | // myBoundSections | |
3667 | TopTools_ListIteratorOfListOfShape its(listSections); | |
3668 | for (; its.More(); its.Next()) { | |
3669 | TopoDS_Shape section = its.Value(); | |
3670 | // Iterate on section vertices | |
3671 | for (TopoDS_Iterator itv(section); itv.More(); itv.Next()) { | |
3672 | TopoDS_Shape vertex = itv.Value(); | |
3673 | // Convert vertex to node | |
3674 | if (myVertexNode.Contains(vertex)) | |
3675 | vertex = TopoDS::Vertex(myVertexNode.FindFromKey(vertex)); | |
3676 | // Update node sections | |
3677 | if (myNodeSections.IsBound(vertex)) | |
3678 | myNodeSections.ChangeFind(vertex).Append(section); | |
3679 | else { | |
3680 | TopTools_ListOfShape lsec; | |
3681 | lsec.Append(section); | |
3682 | myNodeSections.Bind(vertex,lsec); | |
3683 | } | |
3684 | } | |
3685 | // Store bound for section | |
3686 | mySectionBound.Bind(section,bound); | |
3687 | } | |
3688 | // Store splitted bound | |
3689 | myBoundSections.Bind(bound,listSections); | |
3690 | } | |
3691 | } | |
0797d9d3 | 3692 | #ifdef OCCT_DEBUG |
7fd59977 | 3693 | cout << "From " << nbBounds << " bounds " << myBoundSections.Extent() |
3694 | << " were cut into " << mySectionBound.Extent() << " sections" << endl; | |
3695 | #endif | |
3696 | } | |
3697 | ||
3698 | //======================================================================= | |
3699 | //function : GetSeqEdges | |
3700 | //purpose : | |
3701 | //======================================================================= | |
3702 | ||
3703 | static void GetSeqEdges(const TopoDS_Shape& edge, | |
3704 | TopTools_SequenceOfShape& seqEdges, | |
3705 | TopTools_DataMapOfShapeListOfShape& VertEdge) | |
3706 | { | |
3707 | Standard_Integer numV = 0; | |
3708 | for (TopoDS_Iterator Iv(edge,Standard_False); Iv.More(); Iv.Next()) { | |
3709 | TopoDS_Vertex V1 = TopoDS::Vertex(Iv.Value()); | |
3710 | numV++; | |
3711 | if (VertEdge.IsBound(V1)) { | |
3712 | const TopTools_ListOfShape& listEdges = VertEdge.Find(V1); | |
3713 | for (TopTools_ListIteratorOfListOfShape lIt(listEdges); lIt.More(); lIt.Next()) { | |
3714 | TopoDS_Shape edge1 = lIt.Value(); | |
3715 | if (edge1.IsSame(edge)) continue; | |
3716 | Standard_Boolean isContained = Standard_False; | |
3717 | Standard_Integer i, index = 1; | |
3718 | for (i = 1; i <= seqEdges.Length() && !isContained; i++) { | |
3719 | isContained = seqEdges.Value(i).IsSame(edge1); | |
3720 | if (!isContained && seqEdges.Value(i).IsSame(edge)) index = i; | |
3721 | } | |
3722 | if (!isContained) { | |
3723 | if (numV == 1) seqEdges.InsertBefore(index,edge1); | |
3724 | else seqEdges.InsertAfter(index,edge1); | |
3725 | GetSeqEdges(edge1,seqEdges,VertEdge); | |
3726 | } | |
3727 | } | |
3728 | } | |
3729 | } | |
3730 | } | |
3731 | ||
3732 | //======================================================================= | |
3733 | //function : GetFreeWires | |
3734 | //purpose : | |
3735 | //======================================================================= | |
3736 | ||
3737 | void BRepBuilderAPI_Sewing::GetFreeWires(TopTools_MapOfShape& MapFreeEdges, TopTools_SequenceOfShape& seqWires) | |
3738 | { | |
3739 | TopTools_DataMapOfShapeListOfShape VertEdge; | |
3740 | TopTools_MapIteratorOfMapOfShape itMap(MapFreeEdges); | |
3741 | TopTools_SequenceOfShape seqFreeEdges; | |
3742 | for (; itMap.More(); itMap.Next()) { | |
3743 | TopoDS_Shape edge = itMap.Key(); | |
3744 | seqFreeEdges.Append(edge); | |
3745 | for (TopoDS_Iterator Iv(edge,Standard_False); Iv.More(); Iv.Next()) { | |
3746 | TopoDS_Vertex V1 = TopoDS::Vertex(Iv.Value()); | |
3747 | if (VertEdge.IsBound(V1)) | |
3748 | VertEdge.ChangeFind(V1).Append(edge); | |
3749 | else { | |
3750 | TopTools_ListOfShape ls; | |
3751 | ls.Append(edge); | |
3752 | VertEdge.Bind(V1,ls); | |
3753 | } | |
3754 | } | |
3755 | } | |
3756 | BRep_Builder B; | |
3757 | Standard_Integer i, j; | |
3758 | for (i = 1; i <= seqFreeEdges.Length(); i++) { | |
3759 | TopTools_SequenceOfShape seqEdges; | |
3760 | TopoDS_Shape edge = seqFreeEdges.Value(i); | |
3761 | if (!MapFreeEdges.Contains(edge)) continue; | |
3762 | seqEdges.Append(edge); | |
3763 | GetSeqEdges(edge,seqEdges,VertEdge); | |
3764 | TopoDS_Wire wire; | |
3765 | B.MakeWire(wire); | |
3766 | for (j = 1; j <= seqEdges.Length(); j++) { | |
3767 | B.Add(wire,seqEdges.Value(j)); | |
3768 | MapFreeEdges.Remove(seqEdges.Value(j)); | |
3769 | } | |
3770 | seqWires.Append(wire); | |
3771 | if (MapFreeEdges.IsEmpty()) break; | |
3772 | } | |
3773 | } | |
3774 | ||
3775 | //======================================================================= | |
3776 | //function : IsDegeneratedWire | |
3777 | //purpose : internal use | |
3778 | //======================================================================= | |
3779 | ||
3780 | static Standard_Boolean IsDegeneratedWire(const TopoDS_Shape& wire) | |
3781 | { | |
3782 | if (wire.ShapeType() != TopAbs_WIRE) return Standard_False; | |
3783 | // Get maximal vertices tolerance | |
3784 | TopoDS_Vertex V1,V2; | |
3785 | //TopExp::Vertices(TopoDS::Wire(wire),V1,V2); | |
3786 | //Standard_Real tol = Max(BRep_Tool::Tolerance(V1),BRep_Tool::Tolerance(V2)); | |
3787 | Standard_Real wireLength = 0.0; | |
3788 | TopLoc_Location loc; | |
3789 | Standard_Real first, last; | |
3790 | Standard_Integer nume = 0; | |
3791 | Standard_Integer isSmall = 0; | |
3792 | for (TopoDS_Iterator aIt(wire,Standard_False); aIt.More(); aIt.Next()) { | |
3793 | nume++; | |
3794 | TopoDS_Shape edge = aIt.Value(); | |
3795 | TopoDS_Vertex Ve1,Ve2; | |
3796 | TopExp::Vertices(TopoDS::Edge(edge),Ve1,Ve2); | |
3797 | if(nume == 1) { | |
3798 | V1 = Ve1; | |
3799 | V2 = Ve2; | |
3800 | } | |
3801 | else { | |
3802 | if(Ve1.IsSame(V1)) | |
3803 | V1 = Ve2; | |
3804 | else if(Ve1.IsSame(V2)) | |
3805 | V2 = Ve2; | |
3806 | if(Ve2.IsSame(V1)) | |
3807 | V1 = Ve1; | |
3808 | else if(Ve2.IsSame(V2)) | |
3809 | V2 = Ve1; | |
3810 | } | |
3811 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(TopoDS::Edge(aIt.Value()),loc,first,last); | |
3812 | if (!c3d.IsNull()) { | |
3813 | c3d = Handle(Geom_Curve)::DownCast(c3d->Copy()); | |
3814 | if (!loc.IsIdentity()) { | |
3815 | //c3d = Handle(Geom_Curve)::DownCast(c3d->Copy()); | |
3816 | c3d->Transform(loc.Transformation()); | |
3817 | } | |
3818 | gp_Pnt pfirst = c3d->Value(first); | |
3819 | gp_Pnt plast = c3d->Value(last); | |
3820 | gp_Pnt pmid = c3d->Value((first +last)*0.5); | |
3821 | Standard_Real length =0; | |
3822 | if(pfirst.Distance(plast) > pfirst.Distance(pmid)) { | |
3823 | length = pfirst.Distance(plast); | |
3824 | } | |
3825 | else { | |
3826 | GeomAdaptor_Curve cAdapt(c3d); | |
3827 | length = GCPnts_AbscissaPoint::Length(cAdapt, first, last); | |
3828 | } | |
3829 | Standard_Real tole = BRep_Tool::Tolerance(Ve1)+BRep_Tool::Tolerance(Ve2); | |
3830 | if(length <= tole) isSmall++; | |
3831 | wireLength += length; | |
3832 | } | |
3833 | } | |
3834 | if(isSmall == nume) return Standard_True; | |
3835 | Standard_Real tol = BRep_Tool::Tolerance(V1)+BRep_Tool::Tolerance(V2);//Max(BRep_Tool::Tolerance(V1),BRep_Tool::Tolerance(V2)); | |
3836 | if (wireLength > tol) return Standard_False; | |
3837 | return Standard_True; | |
3838 | } | |
3839 | ||
3840 | //======================================================================= | |
3841 | //function : DegeneratedSection | |
3842 | //purpose : internal use | |
3843 | // create a new degenerated edge if the section is degenerated | |
3844 | //======================================================================= | |
3845 | ||
3846 | static TopoDS_Edge DegeneratedSection(const TopoDS_Shape& section, const TopoDS_Shape& face) | |
3847 | { | |
3848 | // Return if section is already degenerated | |
3849 | if (BRep_Tool::Degenerated(TopoDS::Edge(section))) return TopoDS::Edge(section); | |
3850 | ||
3851 | // Retrieve edge curve | |
3852 | TopLoc_Location loc; | |
3853 | Standard_Real first, last; | |
3854 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(TopoDS::Edge(section), loc, first, last); | |
3855 | if (c3d.IsNull()) { //gka | |
3856 | BRep_Builder aB; | |
3857 | TopoDS_Edge edge1 = TopoDS::Edge(section); | |
3858 | aB.Degenerated(edge1, Standard_True); | |
3859 | return edge1; | |
3860 | } | |
3861 | if (!loc.IsIdentity()) { | |
3862 | c3d = Handle(Geom_Curve)::DownCast(c3d->Copy()); | |
3863 | c3d->Transform(loc.Transformation()); | |
3864 | } | |
3865 | ||
3866 | // Test if the new edge is degenerated | |
3867 | TopoDS_Vertex v1,v2; | |
3868 | TopExp::Vertices(TopoDS::Edge(section),v1,v2); | |
3869 | //Standard_Real tol = Max(BRep_Tool::Tolerance(v1),BRep_Tool::Tolerance(v2)); | |
3870 | //tol = Max(tolerance,tol); | |
3871 | ||
3872 | gp_Pnt p1, p2, p3; | |
3873 | p1 = BRep_Tool::Pnt(v1); | |
3874 | p3 = BRep_Tool::Pnt(v2); | |
3875 | c3d->D0(0.5*(first + last),p2); | |
3876 | ||
3877 | //Standard_Boolean isDegenerated = Standard_False; | |
3878 | //if (p1.Distance(p3) < tol) { | |
3879 | //GeomAdaptor_Curve cAdapt(c3d); | |
3880 | //Standard_Real length = GCPnts_AbscissaPoint::Length(cAdapt, first, last); | |
3881 | //isDegenerated = Standard_True; //(length < tol); | |
3882 | //} | |
3883 | ||
3884 | TopoDS_Edge edge; | |
3885 | //if (!isDegenerated) return edge; | |
3886 | ||
3887 | // processing | |
3888 | BRep_Builder aBuilder; | |
3889 | edge = TopoDS::Edge(section); | |
3890 | edge.EmptyCopy(); | |
3891 | if (v1.IsSame(v2)) { | |
3892 | TopoDS_Shape anEdge = edge.Oriented(TopAbs_FORWARD); | |
3893 | aBuilder.Add(anEdge, v1.Oriented(TopAbs_FORWARD)); | |
3894 | aBuilder.Add(anEdge, v2.Oriented(TopAbs_REVERSED)); | |
3895 | } | |
3896 | else { | |
3897 | TopoDS_Vertex newVertex; | |
3898 | if (p1.Distance(p3) < BRep_Tool::Tolerance(v1)) | |
3899 | newVertex = v1; | |
3900 | else if (p1.Distance(p3) < BRep_Tool::Tolerance(v2)) | |
3901 | newVertex = v2; | |
3902 | else { | |
3903 | Standard_Real d1 = BRep_Tool::Tolerance(v1) + p2.Distance(p1); | |
3904 | Standard_Real d2 = BRep_Tool::Tolerance(v2) + p2.Distance(p3); | |
3905 | Standard_Real newTolerance = Max(d1,d2); | |
3906 | aBuilder.MakeVertex(newVertex, p2, newTolerance); | |
3907 | } | |
3908 | TopoDS_Shape anEdge = edge.Oriented(TopAbs_FORWARD); | |
3909 | aBuilder.Add(anEdge, newVertex.Oriented(TopAbs_FORWARD)); | |
3910 | aBuilder.Add(anEdge, newVertex.Oriented(TopAbs_REVERSED)); | |
3911 | } | |
3912 | ||
3913 | BRep_Tool::Range(TopoDS::Edge(section), first, last); | |
3914 | TopoDS_Shape anEdge = edge.Oriented(TopAbs_FORWARD); | |
3915 | aBuilder.Range(TopoDS::Edge(anEdge), first, last); | |
3916 | aBuilder.Degenerated(edge, Standard_True); | |
3917 | Handle(Geom_Curve) aC3dNew; | |
3918 | if (!face.IsNull()) { | |
3919 | Standard_Real af,al; | |
3920 | Handle(Geom2d_Curve) aC2dt = BRep_Tool::CurveOnSurface(TopoDS::Edge(section),TopoDS::Face(face),af,al); | |
3921 | aBuilder.UpdateEdge(edge,aC3dNew,0); | |
3922 | Handle(Geom2d_Curve) aC2dn = BRep_Tool::CurveOnSurface(edge,TopoDS::Face(face),af,al); | |
3923 | if (aC2dn.IsNull()) | |
3924 | aBuilder.UpdateEdge(edge,aC2dt,TopoDS::Face(face),0); | |
3925 | } | |
3926 | ||
3927 | return edge; | |
3928 | } | |
3929 | ||
3930 | //======================================================================= | |
3931 | //function : EdgeProcessing | |
3932 | //purpose : modifies : | |
3933 | // myNbEdges | |
3934 | // myHasMultipleEdge | |
3935 | // myHasFreeBound | |
3936 | // . if multiple edge | |
3937 | // - length < 100.*myTolerance -> several free edge | |
3938 | // . if no multiple edge | |
3939 | // - make the contigous edges sameparameter | |
3940 | //======================================================================= | |
3941 | ||
92434a36 | 3942 | void BRepBuilderAPI_Sewing::EdgeProcessing(const Handle(Message_ProgressIndicator)& thePI) |
7fd59977 | 3943 | { |
3944 | // constructs sectionEdge | |
3945 | TopTools_MapOfShape MapFreeEdges; | |
3946 | TopTools_DataMapOfShapeShape EdgeFace; | |
92434a36 A |
3947 | Message_ProgressSentry aPS (thePI, "Edge processing", 0, myBoundFaces.Extent(), 1); |
3948 | for (Standard_Integer i = 1; i <= myBoundFaces.Extent() && aPS.More(); i++, aPS.Next()) { | |
7fd59977 | 3949 | const TopoDS_Shape& bound = myBoundFaces.FindKey(i); |
3950 | const TopTools_ListOfShape& listFaces = myBoundFaces(i); | |
3951 | if (listFaces.Extent() == 1) { | |
3952 | if (myBoundSections.IsBound(bound)) { | |
3953 | TopTools_ListIteratorOfListOfShape liter(myBoundSections(bound)); | |
3954 | for (; liter.More(); liter.Next()) { | |
3955 | if (!myMergedEdges.Contains(liter.Value())) { //myReShape->IsRecorded(liter.Value())) { | |
3956 | TopoDS_Shape edge = myReShape->Apply(liter.Value()); | |
3957 | if (!MapFreeEdges.Contains(edge)) { | |
3958 | TopoDS_Shape face = listFaces.First(); | |
3959 | EdgeFace.Bind(edge,face); | |
3960 | MapFreeEdges.Add(edge); | |
3961 | } | |
3962 | } | |
3963 | } | |
3964 | } | |
3965 | else { | |
3966 | if (!myMergedEdges.Contains(bound)) { | |
3967 | TopoDS_Shape edge = myReShape->Apply(bound); | |
3968 | if (!MapFreeEdges.Contains(edge)) { | |
3969 | TopoDS_Shape face = listFaces.First(); | |
3970 | EdgeFace.Bind(edge,face); | |
3971 | MapFreeEdges.Add(edge); | |
3972 | } | |
3973 | } | |
3974 | } | |
3975 | } | |
3976 | } | |
3977 | ||
3978 | if (!MapFreeEdges.IsEmpty()) { | |
3979 | TopTools_SequenceOfShape seqWires; | |
3980 | GetFreeWires(MapFreeEdges,seqWires); | |
3981 | for (Standard_Integer j = 1; j <= seqWires.Length(); j++) { | |
3982 | TopoDS_Wire wire = TopoDS::Wire(seqWires.Value(j)); | |
3983 | if (!IsDegeneratedWire(wire)) continue; | |
3984 | for (TopoDS_Iterator Ie(wire,Standard_False); Ie.More(); Ie.Next()) { | |
3985 | TopoDS_Shape aTmpShape = myReShape->Apply(Ie.Value()); //for porting | |
3986 | TopoDS_Edge edge = TopoDS::Edge(aTmpShape); | |
3987 | TopoDS_Shape face; | |
3988 | if (EdgeFace.IsBound(edge)) | |
3989 | face = EdgeFace.Find(edge); | |
3990 | TopoDS_Shape degedge = DegeneratedSection(edge,face); | |
3991 | if (degedge.IsNull()) continue; | |
3992 | if (!degedge.IsSame(edge)) | |
3993 | ReplaceEdge(edge,degedge,myReShape); | |
3994 | if (BRep_Tool::Degenerated(TopoDS::Edge(degedge))) | |
3995 | myDegenerated.Add(degedge); | |
3996 | } | |
3997 | } | |
3998 | } | |
3999 | myMergedEdges.Clear(); | |
4000 | } | |
4001 | ||
4002 | //======================================================================= | |
4003 | //function : CreateSewedShape | |
4004 | //purpose : | |
4005 | //======================================================================= | |
4006 | ||
4007 | void BRepBuilderAPI_Sewing::CreateSewedShape() | |
4008 | { | |
4009 | // --------------------- | |
4010 | // create the new shapes | |
4011 | // --------------------- | |
4012 | BRepTools_Quilt aQuilt; | |
4013 | Standard_Boolean isLocal = !myShape.IsNull(); | |
4014 | if (isLocal) { | |
4015 | // Local sewing | |
4016 | TopoDS_Shape ns = myReShape->Apply(myShape); | |
4017 | aQuilt.Add(ns); | |
4018 | } | |
4019 | Standard_Integer i; | |
4020 | for (i = 1; i <= myOldShapes.Extent(); i++) { | |
4021 | TopoDS_Shape sh = myOldShapes(i); | |
4022 | if (!sh.IsNull()) { | |
4023 | sh = myReShape->Apply(sh); | |
4024 | myOldShapes(i) = sh; | |
4025 | if (!isLocal) aQuilt.Add(sh); | |
4026 | } | |
4027 | } | |
4028 | TopoDS_Shape aNewShape = aQuilt.Shells(); | |
4029 | Standard_Integer numsh = 0; | |
4030 | ||
4031 | TopTools_IndexedMapOfShape OldShells; | |
4032 | ||
4033 | BRep_Builder aB; | |
4034 | TopoDS_Compound aComp; | |
4035 | aB.MakeCompound(aComp); | |
4036 | for (TopoDS_Iterator aExpSh(aNewShape,Standard_False); aExpSh.More(); aExpSh.Next()) { | |
4037 | TopoDS_Shape sh = aExpSh.Value(); | |
4038 | Standard_Boolean hasEdges = Standard_False; | |
4039 | if (sh.ShapeType() == TopAbs_SHELL) { | |
4040 | if (myNonmanifold) | |
4041 | hasEdges = !OldShells.Contains(sh); | |
4042 | else { | |
4043 | TopoDS_Shape face; | |
4044 | Standard_Integer numf = 0; | |
4045 | for (TopExp_Explorer aExpF(sh,TopAbs_FACE); aExpF.More() && (numf < 2); aExpF.Next()) { | |
4046 | face = aExpF.Current(); | |
4047 | numf++; | |
4048 | } | |
4049 | if (numf == 1) aB.Add(aComp,face); | |
4050 | else if (numf > 1) aB.Add(aComp,sh); | |
4051 | if (numf) numsh++; | |
4052 | } | |
4053 | } | |
4054 | else if (sh.ShapeType() == TopAbs_FACE) { | |
4055 | if (myNonmanifold) { | |
4056 | TopoDS_Shell ss; | |
4057 | aB.MakeShell(ss); | |
4058 | aB.Add(ss,sh); | |
4059 | sh = ss; | |
4060 | hasEdges = Standard_True; | |
4061 | } | |
4062 | else { aB.Add(aComp,sh); numsh++; } | |
4063 | } | |
4064 | else { aB.Add(aComp,sh); numsh++; } | |
4065 | if (hasEdges) OldShells.Add(sh); | |
4066 | } | |
4067 | // Process collected shells | |
4068 | if (myNonmanifold) { | |
4069 | Standard_Integer nbOldShells = OldShells.Extent(); | |
4070 | if (nbOldShells == 1) { | |
4071 | // Single shell - check for single face | |
4072 | TopoDS_Shape sh = OldShells.FindKey(1); | |
4073 | TopoDS_Shape face; | |
4074 | Standard_Integer numf = 0; | |
4075 | for (TopExp_Explorer aExpF(sh,TopAbs_FACE); aExpF.More() && (numf < 2); aExpF.Next()) { | |
4076 | face = aExpF.Current(); | |
4077 | numf++; | |
4078 | } | |
4079 | if (numf == 1) aB.Add(aComp,face); | |
4080 | else if (numf > 1) aB.Add(aComp,sh); | |
4081 | if (numf) numsh++; | |
4082 | } | |
4083 | else if (nbOldShells) { | |
4084 | // Several shells should be merged | |
4085 | TColStd_MapOfInteger IndexMerged; | |
4086 | while (IndexMerged.Extent() < nbOldShells) { | |
4087 | TopoDS_Shell NewShell; | |
4088 | TopTools_MapOfShape NewEdges; | |
4089 | for (i = 1; i <= nbOldShells; i++) { | |
4090 | if (IndexMerged.Contains(i)) continue; | |
4091 | TopoDS_Shell shell = TopoDS::Shell(OldShells.FindKey(i)); | |
4092 | if (NewShell.IsNull()) { | |
4093 | BRep_Builder aB; | |
4094 | aB.MakeShell(NewShell); | |
4095 | TopoDS_Iterator aItSS(shell) ; | |
4096 | for( ; aItSS.More(); aItSS.Next()) | |
4097 | aB.Add(NewShell,aItSS.Value()) | |
4098 | ; | |
4099 | // Fill map of edges | |
4100 | for (TopExp_Explorer eexp(shell,TopAbs_EDGE); eexp.More(); eexp.Next()) { | |
4101 | TopoDS_Shape edge = eexp.Current(); | |
4102 | NewEdges.Add(edge); | |
4103 | } | |
4104 | IndexMerged.Add(i); | |
4105 | } | |
4106 | else { | |
4107 | Standard_Boolean hasSharedEdge = Standard_False; | |
4108 | TopExp_Explorer eexp(shell,TopAbs_EDGE); | |
4109 | for (; eexp.More() && !hasSharedEdge; eexp.Next()) | |
4110 | hasSharedEdge = NewEdges.Contains(eexp.Current()); | |
4111 | if (hasSharedEdge) { | |
4112 | // Add edges to the map | |
4113 | for (TopExp_Explorer eexp1(shell,TopAbs_EDGE); eexp1.More(); eexp1.Next()) { | |
4114 | TopoDS_Shape edge = eexp1.Current(); | |
4115 | NewEdges.Add(edge); | |
4116 | } | |
4117 | // Add faces to the shell | |
4118 | for (TopExp_Explorer fexp(shell,TopAbs_FACE); fexp.More(); fexp.Next()) { | |
4119 | TopoDS_Shape face = fexp.Current(); | |
4120 | aB.Add(NewShell,face); | |
4121 | } | |
4122 | IndexMerged.Add(i); | |
4123 | } | |
4124 | } | |
4125 | } | |
4126 | // Process new shell | |
4127 | TopoDS_Shape face; | |
4128 | Standard_Integer numf = 0; | |
4129 | TopExp_Explorer aExpF(NewShell,TopAbs_FACE); | |
4130 | for (; aExpF.More() && (numf < 2); aExpF.Next()) { | |
4131 | face = aExpF.Current(); | |
4132 | numf++; | |
4133 | } | |
4134 | if (numf == 1) aB.Add(aComp,face); | |
4135 | else if (numf > 1) aB.Add(aComp,NewShell); | |
4136 | if (numf) numsh++; | |
4137 | } | |
4138 | } | |
4139 | } | |
4140 | if (numsh == 1) { | |
4141 | // Extract single component | |
4142 | TopoDS_Iterator aIt(aComp,Standard_False); | |
4143 | mySewedShape = aIt.Value(); | |
4144 | } | |
4145 | else | |
4146 | mySewedShape = aComp; | |
4147 | } | |
4148 | ||
4149 | //======================================================================= | |
4150 | //function : CreateOutputInformations | |
4151 | //purpose : constructs : | |
4152 | // myEdgeSections | |
4153 | // mySectionBound | |
4154 | // myNbFreeEdges | |
4155 | // myNbContigousEdges | |
4156 | // myNbMultipleEdges | |
4157 | // myNbDegenerated | |
4158 | //======================================================================= | |
4159 | ||
4160 | void BRepBuilderAPI_Sewing::CreateOutputInformations() | |
4161 | { | |
4162 | // Construct edgeSections | |
4163 | Standard_Integer i; | |
4164 | //TopTools_DataMapOfShapeListOfShape edgeSections; | |
4165 | TopTools_IndexedDataMapOfShapeListOfShape edgeSections; //use index map for regulating free edges | |
4166 | for (i = 1; i <= myBoundFaces.Extent(); i++) { | |
4167 | const TopoDS_Shape& bound = myBoundFaces.FindKey(i); | |
4168 | TopTools_ListOfShape lsect; | |
4169 | if (myBoundSections.IsBound(bound)) lsect = myBoundSections(bound); | |
4170 | TopExp_Explorer aExp(myReShape->Apply(bound),TopAbs_EDGE); | |
4171 | for (; aExp.More(); aExp.Next()) { | |
4172 | TopoDS_Shape sec = bound, edge = aExp.Current(); | |
4173 | TopTools_ListIteratorOfListOfShape aI(lsect); | |
4174 | for (; aI.More(); aI.Next()) { | |
4175 | const TopoDS_Shape& section = aI.Value(); | |
4176 | if (edge.IsSame(myReShape->Apply(section))) { sec = section; break; } | |
4177 | } | |
4178 | if (edgeSections.Contains(edge)) | |
4179 | edgeSections.ChangeFromKey(edge).Append(sec); | |
4180 | else { | |
4181 | TopTools_ListOfShape listSec; | |
4182 | listSec.Append(sec); | |
4183 | edgeSections.Add(edge,listSec); | |
4184 | } | |
4185 | } | |
4186 | } | |
4187 | ||
4188 | // Fill maps of Free, Contigous and Multiple edges | |
4189 | //TopTools_DataMapIteratorOfDataMapOfShapeListOfShape iter2(edgeSections); | |
4190 | for (i = 1; i <= edgeSections.Extent(); i++) { | |
4191 | const TopoDS_Shape& edge = edgeSections.FindKey(i); | |
4192 | const TopTools_ListOfShape& listSection = edgeSections(i); | |
4193 | if (listSection.Extent() == 1) { | |
4194 | if (BRep_Tool::Degenerated(TopoDS::Edge(edge))) | |
4195 | myDegenerated.Add(edge); | |
4196 | else | |
4197 | myFreeEdges.Add(edge); | |
4198 | } | |
4199 | else if (listSection.Extent() == 2) { | |
4200 | myContigousEdges.Add(edge,listSection); | |
4201 | } | |
4202 | else { | |
4203 | myMultipleEdges.Add(edge); | |
4204 | } | |
4205 | } | |
4206 | ||
4207 | // constructs myContigSectBound | |
4208 | TopTools_DataMapOfShapeListOfShape aEdgeMap; //gka | |
4209 | for (i = 1; i <= myBoundFaces.Extent(); i++) { | |
4210 | TopoDS_Shape bound = myBoundFaces.FindKey(i); | |
4211 | if (myBoundSections.IsBound(bound)) { | |
4212 | TopTools_ListIteratorOfListOfShape iter(myBoundSections(bound)); | |
4213 | for (; iter.More(); iter.Next()) { | |
4214 | TopoDS_Shape section = iter.Value(); | |
4215 | if(!myMergedEdges.Contains(section)) continue; | |
4216 | //if (!myReShape->IsRecorded(section)) continue; // section is free | |
4217 | TopoDS_Shape nedge = myReShape->Apply(section); | |
4218 | if (nedge.IsNull()) continue; //szv debug | |
4219 | if (!bound.IsSame(section)) | |
4220 | if (myContigousEdges.Contains(nedge)) | |
4221 | myContigSecBound.Bind(section, bound); | |
4222 | } | |
4223 | } | |
4224 | } | |
4225 | } | |
4226 | ||
4227 | //======================================================================= | |
4228 | //function : ProjectPointsOnCurve | |
4229 | //purpose : internal use | |
4230 | //======================================================================= | |
4231 | ||
4232 | void BRepBuilderAPI_Sewing::ProjectPointsOnCurve(const TColgp_Array1OfPnt& arrPnt, | |
4233 | const Handle(Geom_Curve)& c3d, | |
4234 | const Standard_Real first, | |
4235 | const Standard_Real last, | |
4236 | TColStd_Array1OfReal& arrDist, | |
4237 | TColStd_Array1OfReal& arrPara, | |
2028d00c G |
4238 | TColgp_Array1OfPnt& arrProj, |
4239 | const Standard_Boolean isConsiderEnds) const | |
7fd59977 | 4240 | { |
4241 | arrDist.Init(-1.0); | |
4242 | ||
4243 | GeomAdaptor_Curve GAC(c3d); | |
4244 | Extrema_ExtPC locProj; | |
4245 | locProj.Initialize(GAC, first, last); | |
4246 | gp_Pnt pfirst = GAC.Value(first), plast = GAC.Value(last); | |
47980104 | 4247 | Standard_Integer find = 1;//(isConsiderEnds ? 1 : 2); |
4248 | Standard_Integer lind = arrPnt.Length();//(isConsiderEnds ? arrPnt.Length() : arrPnt.Length() -1); | |
4249 | ||
4250 | for (Standard_Integer i1 = find; i1 <= lind ; i1++) { | |
7fd59977 | 4251 | gp_Pnt pt = arrPnt(i1); |
4252 | Standard_Real worktol = myTolerance; | |
4253 | Standard_Real distF2 = pfirst.SquareDistance(pt); | |
4254 | Standard_Real distL2 = plast.SquareDistance(pt); | |
4255 | Standard_Boolean isProjected = Standard_False; | |
4256 | try { | |
4257 | ||
4258 | // Project current point on curve | |
4259 | locProj.Perform(pt); | |
4260 | if (locProj.IsDone() && locProj.NbExt() > 0) { | |
47980104 | 4261 | Standard_Real dist2Min = (isConsiderEnds || i1 == find || i1 == lind ? Min(distF2,distL2) : Precision::Infinite()); |
7fd59977 | 4262 | Standard_Integer ind, indMin = 0; |
4263 | for (ind = 1; ind <= locProj.NbExt(); ind++) { | |
4264 | Standard_Real dProj2 = locProj.SquareDistance(ind); | |
4265 | if (dProj2 < dist2Min) { indMin = ind; dist2Min = dProj2; } | |
4266 | } | |
4267 | if (indMin) { | |
4268 | isProjected = Standard_True; | |
4269 | Extrema_POnCurv pOnC = locProj.Point(indMin); | |
4270 | Standard_Real paramProj = pOnC.Parameter(); | |
4271 | gp_Pnt ptProj = GAC.Value(paramProj); | |
4272 | Standard_Real distProj2 = ptProj.SquareDistance(pt); | |
4273 | if (!locProj.IsMin(indMin)) { | |
4274 | if (Min(distF2,distL2) < dist2Min) { | |
4275 | if (distF2 < distL2) { | |
4276 | paramProj = first; | |
4277 | distProj2 = distF2; | |
4278 | ptProj = pfirst; | |
4279 | } | |
4280 | else { | |
4281 | paramProj = last; | |
4282 | distProj2 = distL2; | |
4283 | ptProj = plast; | |
4284 | } | |
4285 | } | |
4286 | } | |
2c896b8f | 4287 | if (distProj2 < worktol * worktol || !isConsiderEnds) { |
7fd59977 | 4288 | arrDist(i1) = sqrt (distProj2); |
4289 | arrPara(i1) = paramProj; | |
4290 | arrProj(i1) = ptProj; | |
4291 | } | |
4292 | } | |
4293 | } | |
4294 | } | |
4295 | catch (Standard_Failure) { | |
4296 | worktol = MinTolerance(); | |
0797d9d3 | 4297 | #ifdef OCCT_DEBUG |
7fd59977 | 4298 | cout << "Exception in BRepBuilderAPI_Sewing::ProjectPointsOnCurve: "; |
4299 | Standard_Failure::Caught()->Print(cout); cout << endl; | |
4300 | #endif | |
4301 | } | |
2028d00c | 4302 | if (!isProjected && isConsiderEnds) { |
7fd59977 | 4303 | if (Min(distF2,distL2) < worktol * worktol) { |
4304 | if (distF2 < distL2) { | |
4305 | arrDist(i1) = sqrt (distF2); | |
4306 | arrPara(i1) = first; | |
4307 | arrProj(i1) = pfirst; | |
4308 | } | |
4309 | else { | |
4310 | arrDist(i1) = sqrt (distL2); | |
4311 | arrPara(i1) = last; | |
4312 | arrProj(i1) = plast; | |
4313 | } | |
4314 | } | |
4315 | } | |
4316 | } | |
4317 | } | |
4318 | ||
4319 | //======================================================================= | |
4320 | //function : CreateCuttingNodes | |
4321 | //purpose : internal use | |
4322 | //======================================================================= | |
4323 | ||
4324 | void BRepBuilderAPI_Sewing::CreateCuttingNodes(const TopTools_IndexedMapOfShape& MapVert, | |
4325 | const TopoDS_Shape& bound, | |
4326 | const TopoDS_Shape& vfirst, | |
4327 | const TopoDS_Shape& vlast, | |
4328 | const TColStd_Array1OfReal& arrDist, | |
4329 | const TColStd_Array1OfReal& arrPara, | |
4330 | const TColgp_Array1OfPnt& arrPnt, | |
4331 | TopTools_SequenceOfShape& seqVert, | |
4332 | TColStd_SequenceOfReal& seqPara) | |
4333 | { | |
4334 | Standard_Integer i, j, nbProj = MapVert.Extent(); | |
4335 | ||
4336 | // Reorder projections by distance | |
4337 | TColStd_SequenceOfInteger seqOrderedIndex; | |
4338 | { //szv: Use brackets to destroy local variables | |
4339 | TColStd_SequenceOfReal seqOrderedDistance; | |
4340 | for (i = 1; i <= nbProj; i++) { | |
4341 | Standard_Real distProj = arrDist(i); | |
4342 | if (distProj < 0.0) continue; // Skip vertex if not projected | |
4343 | Standard_Boolean isInserted = Standard_False; | |
4344 | for (j = 1; j <= seqOrderedIndex.Length() && !isInserted; j++) { | |
4345 | isInserted = (distProj < seqOrderedDistance(j)); | |
4346 | if (isInserted) { | |
4347 | seqOrderedIndex.InsertBefore(j,i); | |
4348 | seqOrderedDistance.InsertBefore(j,distProj); | |
4349 | } | |
4350 | } | |
4351 | if (!isInserted) { | |
4352 | seqOrderedIndex.Append(i); | |
4353 | seqOrderedDistance.Append(distProj); | |
4354 | } | |
4355 | } | |
4356 | } | |
4357 | nbProj = seqOrderedIndex.Length(); | |
4358 | if (!nbProj) return; | |
4359 | ||
4360 | BRep_Builder aBuilder; | |
4361 | ||
4362 | // Insert two initial vertices (to be removed later) | |
4363 | TColStd_SequenceOfReal seqDist; | |
4364 | TColgp_SequenceOfPnt seqPnt; | |
4365 | { //szv: Use brackets to destroy local variables | |
4366 | // Retrieve bound curve | |
4367 | TopLoc_Location loc; | |
4368 | Standard_Real first,last; | |
4369 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(TopoDS::Edge(bound), loc, first, last); | |
4370 | if (!loc.IsIdentity()) { | |
4371 | c3d = Handle(Geom_Curve)::DownCast(c3d->Copy()); | |
4372 | c3d->Transform(loc.Transformation()); | |
4373 | } | |
4374 | GeomAdaptor_Curve GAC(c3d); | |
4375 | seqVert.Prepend(vfirst); seqVert.Append(vlast); | |
4376 | seqPara.Prepend(first); seqPara.Append(last); | |
4377 | seqDist.Prepend(-1.0); seqDist.Append(-1.0); | |
4378 | seqPnt.Prepend(GAC.Value(first)); seqPnt.Append(GAC.Value(last)); | |
4379 | } | |
4380 | ||
4381 | TopTools_DataMapOfShapeShape NodeCuttingVertex; | |
4382 | for (i = 1; i <= nbProj; i++) { | |
4383 | ||
4384 | const Standard_Integer index = seqOrderedIndex(i); | |
4385 | Standard_Real disProj = arrDist(index); | |
4386 | gp_Pnt pntProj = arrPnt(index); | |
4387 | ||
4388 | // Skip node if already bound to cutting vertex | |
4389 | TopoDS_Shape node = myVertexNode.FindFromKey(MapVert(index)); | |
4390 | if (NodeCuttingVertex.IsBound(node)) continue; | |
4391 | ||
4392 | // Find the closest vertex | |
4393 | Standard_Integer indexMin = 1; | |
4394 | Standard_Real dist, distMin = pntProj.Distance(seqPnt(1)); | |
4395 | for (j = 2; j <= seqPnt.Length(); j++) { | |
4396 | dist = pntProj.Distance(seqPnt(j)); | |
4397 | if (dist < distMin) { distMin = dist; indexMin = j; } | |
4398 | } | |
4399 | ||
4400 | // Check if current point is close to one of the existent | |
4401 | if (distMin <= Max(disProj*0.1,MinTolerance())) { | |
4402 | // Check distance if close | |
4403 | Standard_Real jdist = seqDist.Value(indexMin); | |
4404 | if (jdist < 0.0) { | |
4405 | // Bind new cutting node (end vertex only) | |
4406 | seqDist.SetValue(indexMin,disProj); | |
4407 | TopoDS_Shape cvertex = seqVert.Value(indexMin); | |
4408 | NodeCuttingVertex.Bind(node,cvertex); | |
4409 | } | |
4410 | else { | |
4411 | // Bind secondary cutting nodes | |
4412 | NodeCuttingVertex.Bind(node,TopoDS_Vertex()); | |
4413 | } | |
4414 | } | |
4415 | else { | |
4416 | // Build new cutting vertex | |
4417 | TopoDS_Vertex cvertex; | |
4418 | aBuilder.MakeVertex(cvertex, pntProj, Precision::Confusion()); | |
4419 | // Bind new cutting vertex | |
4420 | NodeCuttingVertex.Bind(node,cvertex); | |
4421 | // Insert cutting vertex in the sequences | |
4422 | Standard_Real parProj = arrPara(index); | |
4423 | for (j = 2; j <= seqPara.Length(); j++) { | |
4424 | if (parProj <= seqPara.Value(j)) { | |
4425 | seqVert.InsertBefore(j,cvertex); | |
4426 | seqPara.InsertBefore(j,parProj); | |
4427 | seqDist.InsertBefore(j,disProj); | |
4428 | seqPnt.InsertBefore (j,pntProj); | |
4429 | break; | |
4430 | } | |
4431 | } | |
4432 | } | |
4433 | } | |
4434 | ||
4435 | // filling map for cutting nodes | |
4436 | TopTools_DataMapIteratorOfDataMapOfShapeShape mit(NodeCuttingVertex); | |
4437 | for (; mit.More(); mit.Next()) { | |
4438 | TopoDS_Shape cnode = mit.Value(); | |
4439 | // Skip secondary nodes | |
4440 | if (cnode.IsNull()) continue; | |
4441 | // Obtain vertex node | |
4442 | TopoDS_Shape node = mit.Key(); | |
4443 | if (myVertexNode.Contains(cnode)) { | |
4444 | // This is an end vertex | |
4445 | cnode = myVertexNode.FindFromKey(cnode); | |
4446 | } | |
4447 | else { | |
4448 | // Create link: cutting vertex -> node | |
4449 | TopTools_ListOfShape ls; | |
4450 | ls.Append(node); | |
4451 | myCuttingNode.Bind(cnode,ls); | |
4452 | } | |
4453 | // Create link: node -> cutting vertex | |
4454 | if (myCuttingNode.IsBound(node)) { | |
4455 | myCuttingNode.ChangeFind(node).Append(cnode); | |
4456 | } | |
4457 | else { | |
4458 | TopTools_ListOfShape ls; | |
4459 | ls.Append(cnode); | |
4460 | myCuttingNode.Bind(node,ls); | |
4461 | } | |
4462 | } | |
4463 | ||
4464 | // Remove two initial vertices | |
4465 | seqVert.Remove(1); seqVert.Remove(seqVert.Length()); | |
4466 | seqPara.Remove(1); seqPara.Remove(seqPara.Length()); | |
4467 | } | |
4468 | ||
4469 | //======================================================================= | |
4470 | //function : CreateSections | |
4471 | //purpose : internal use | |
4472 | //======================================================================= | |
4473 | ||
4474 | void BRepBuilderAPI_Sewing::CreateSections(const TopoDS_Shape& section, | |
4475 | const TopTools_SequenceOfShape& seqNode, | |
4476 | const TColStd_SequenceOfReal& seqPara, | |
4477 | TopTools_ListOfShape& listEdge) | |
4478 | { | |
4479 | const TopoDS_Edge& sec = TopoDS::Edge(section); | |
4480 | // TopAbs_Orientation aInitOr = sec.Orientation(); | |
4481 | ||
4482 | ||
4483 | //To keep NM vertices on edge | |
4484 | TopTools_SequenceOfShape aSeqNMVert; | |
4485 | TColStd_SequenceOfReal aSeqNMPars; | |
4486 | findNMVertices(sec,aSeqNMVert,aSeqNMPars); | |
4487 | ||
4488 | BRep_Builder aBuilder; | |
4489 | ||
4490 | Standard_Real first, last; | |
4491 | BRep_Tool::Range(sec, first, last); | |
4492 | ||
4493 | // Create cutting sections | |
4494 | Standard_Real par1, par2; | |
4495 | TopoDS_Shape V1, V2; | |
4496 | Standard_Integer i, len = seqPara.Length() + 1; | |
4497 | for (i = 1; i <= len; i++) { | |
4498 | ||
4499 | TopoDS_Edge edge = sec; | |
4500 | edge.EmptyCopy(); | |
4501 | ||
4502 | if (i == 1) { | |
4503 | par1 = first; | |
4504 | par2 = seqPara(i); | |
4505 | V1 = TopExp::FirstVertex(sec); | |
4506 | V2 = seqNode(i); | |
4507 | } | |
4508 | else if (i == len) { | |
4509 | par1 = seqPara(i-1); | |
4510 | par2 = last; | |
4511 | V1 = seqNode(i-1); | |
4512 | V2 = TopExp::LastVertex(sec); | |
4513 | } | |
4514 | else { | |
4515 | par1 = seqPara(i-1); | |
4516 | par2 = seqPara(i); | |
4517 | V1 = seqNode(i-1); | |
4518 | V2 = seqNode(i); | |
4519 | } | |
4520 | ||
4521 | TopoDS_Shape aTmpShape = edge.Oriented(TopAbs_FORWARD); | |
4522 | TopoDS_Edge aTmpEdge = TopoDS::Edge (aTmpShape); // for porting | |
4523 | aTmpShape = V1.Oriented(TopAbs_FORWARD); | |
4524 | aBuilder.Add(aTmpEdge, aTmpShape); | |
4525 | aTmpShape = V2.Oriented(TopAbs_REVERSED); | |
4526 | aBuilder.Add(aTmpEdge, aTmpShape); | |
4527 | aBuilder.Range(aTmpEdge, par1, par2); | |
4528 | // if(aInitOr == TopAbs_REVERSED) | |
4529 | // listEdge.Prepend(edge); | |
4530 | // else | |
4531 | ||
4532 | Standard_Integer k =1; | |
4533 | for( ; k <= aSeqNMPars.Length() ; k++) { | |
4534 | Standard_Real apar = aSeqNMPars.Value(k); | |
4535 | if(apar >= par1 && apar <= par2) { | |
4536 | aBuilder.Add(aTmpEdge,aSeqNMVert.Value(k)); | |
4537 | aSeqNMVert.Remove(k); | |
4538 | aSeqNMPars.Remove(k); | |
4539 | k--; | |
4540 | } | |
4541 | } | |
4542 | listEdge.Append(edge); | |
4543 | } | |
4544 | ||
4545 | const TopTools_ListOfShape& listFaces = myBoundFaces.FindFromKey(sec); | |
4546 | if (!listFaces.Extent()) return; | |
4547 | ||
4548 | Standard_Real tolEdge = BRep_Tool::Tolerance(sec); | |
4549 | ||
4550 | // Add cutting pcurves | |
4551 | TopTools_ListIteratorOfListOfShape itf(listFaces); | |
4552 | for (; itf.More(); itf.Next()) { | |
4553 | ||
4554 | const TopoDS_Face& fac = TopoDS::Face(itf.Value()); | |
4555 | ||
4556 | // Retrieve curve on surface | |
4557 | Standard_Real first2d=0., last2d=0.,first2d1=0,last2d1=0.; | |
4558 | Handle(Geom2d_Curve) c2d = BRep_Tool::CurveOnSurface(sec, fac, first2d, last2d); | |
4559 | if (c2d.IsNull()) continue; | |
4560 | Handle(Geom2d_Curve) c2d1; | |
4561 | Standard_Boolean isSeam = BRep_Tool::IsClosed(sec,fac); | |
4562 | ||
4563 | //gka - Convert to BSpline was commented because | |
4564 | //it is not necessary to create BSpline instead of Lines or cIrcles. | |
4565 | //Besides after conversion circles to BSpline | |
4566 | //it is necessary to recompute parameters of cutting because paramerization of created | |
4567 | //BSpline curve differs from parametrization of circle. | |
4568 | ||
4569 | // Convert pcurve to BSpline | |
4570 | /*Handle(Geom2d_BSplineCurve) c2dBSP,c2dBSP1; | |
4571 | if (c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve))) { | |
4572 | c2dBSP = Handle(Geom2d_BSplineCurve)::DownCast(c2d); | |
4573 | } | |
4574 | else { | |
4575 | if (first > (c2d->FirstParameter() + Precision::PConfusion()) || | |
4576 | last < (c2d->LastParameter() - Precision::PConfusion())) { | |
4577 | Handle(Geom2d_TrimmedCurve) TC = new Geom2d_TrimmedCurve(c2d, first, last); | |
4578 | c2dBSP = Geom2dConvert::CurveToBSplineCurve(TC); | |
4579 | } | |
4580 | else c2dBSP = Geom2dConvert::CurveToBSplineCurve(c2d); | |
4581 | } | |
4582 | if (c2dBSP.IsNull()) continue;*/ | |
4583 | //gka fix for bug OCC12203 21.04.06 addition second curve for seam edges | |
4584 | ||
4585 | if(isSeam) | |
4586 | { | |
4587 | TopoDS_Edge secRev = TopoDS::Edge(sec.Reversed()); | |
4588 | ||
4589 | c2d1 = BRep_Tool::CurveOnSurface(secRev, fac, first2d1, last2d1); | |
4590 | if (c2d1.IsNull()) continue; | |
4591 | ||
4592 | /*if (c2d1->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve))) { | |
4593 | c2dBSP1 = Handle(Geom2d_BSplineCurve)::DownCast(c2d1); | |
4594 | } | |
4595 | else { | |
4596 | if (first > (c2d1->FirstParameter() + Precision::PConfusion()) || | |
4597 | last < (c2d1->LastParameter() - Precision::PConfusion())) { | |
4598 | Handle(Geom2d_TrimmedCurve) TC = new Geom2d_TrimmedCurve(c2d1, first, last); | |
4599 | //c2dBSP1 = Geom2dConvert::CurveToBSplineCurve(TC); | |
4600 | } | |
4601 | //else c2dBSP1 = Geom2dConvert::CurveToBSplineCurve(c2d); | |
4602 | ||
4603 | }*/ | |
4604 | } | |
4605 | ||
4606 | /*first2d = c2dBSP->FirstParameter(); | |
4607 | last2d = c2dBSP->LastParameter(); | |
4608 | ||
4609 | if(!c2dBSP1.IsNull()) { | |
4610 | first2d1 = c2dBSP1->FirstParameter(); | |
4611 | last2d1 = c2dBSP1->LastParameter(); | |
4612 | }*/ | |
4613 | ||
4614 | // Update cutting sections | |
4615 | Handle(Geom2d_Curve) c2dNew,c2d1New; | |
4616 | TopTools_ListIteratorOfListOfShape ite(listEdge); | |
4617 | for (; ite.More(); ite.Next()) { | |
4618 | ||
4619 | // Retrieve cutting section | |
4620 | const TopoDS_Edge& edge = TopoDS::Edge(ite.Value()); | |
4621 | BRep_Tool::Range(edge, par1, par2); | |
4622 | ||
4623 | // Cut BSpline pcurve | |
4624 | // try { | |
4625 | c2dNew = Handle(Geom2d_Curve)::DownCast(c2d->Copy()); | |
4626 | //c2dNew = Handle(Geom2d_Curve)::DownCast(c2dBSP->Copy()); | |
4627 | //Handle(Geom2d_BSplineCurve)::DownCast(c2dNew)->Segment(Max(first2d,par1),Min(par2,last2d)); | |
4628 | if(!c2d1.IsNull()) { //if(!c2dBSP1.IsNull()) { | |
4629 | c2d1New = Handle(Geom2d_Curve)::DownCast(c2d1->Copy()); | |
4630 | //c2d1New = Handle(Geom2d_Curve)::DownCast(c2dBSP1->Copy()); | |
4631 | //Handle(Geom2d_BSplineCurve)::DownCast(c2d1New)->Segment(Max(first2d1,par1),Min(par2,last2d1)); | |
4632 | } | |
4633 | //} | |
4634 | /*catch (Standard_Failure) { | |
0797d9d3 | 4635 | #ifdef OCCT_DEBUG |
7fd59977 | 4636 | cout << "Exception in CreateSections: segment [" << par1 << "," << par2 << "]: "; |
4637 | Standard_Failure::Caught()->Print(cout); cout << endl; | |
4638 | #endif | |
4639 | Handle(Geom2d_TrimmedCurve) c2dT = new Geom2d_TrimmedCurve(c2dNew,Max(first2d,par1),Min(par2,last2d)); | |
4640 | c2dNew = c2dT; | |
4641 | }*/ | |
4642 | ||
4643 | ||
4644 | if(!isSeam && c2d1New.IsNull()) | |
4645 | aBuilder.UpdateEdge(edge, c2dNew, fac, tolEdge); | |
4646 | else { | |
4647 | TopAbs_Orientation Ori = edge.Orientation(); | |
4648 | if(fac.Orientation() == TopAbs_REVERSED) | |
4649 | Ori = TopAbs::Reverse(Ori); | |
4650 | ||
4651 | if(Ori == TopAbs_FORWARD) | |
4652 | aBuilder.UpdateEdge(edge, c2dNew,c2d1New ,fac, tolEdge); | |
4653 | else | |
4654 | aBuilder.UpdateEdge(edge, c2d1New,c2dNew ,fac, tolEdge); | |
4655 | } | |
4656 | } | |
4657 | } | |
4658 | } | |
4659 | ||
4660 | //======================================================================= | |
4661 | //function : SameParameterShape | |
4662 | //purpose : | |
4663 | //======================================================================= | |
4664 | ||
4665 | void BRepBuilderAPI_Sewing::SameParameterShape() | |
4666 | { | |
4667 | if (!mySameParameterMode) return; | |
4668 | TopExp_Explorer exp(mySewedShape, TopAbs_EDGE); | |
4669 | // Le flag sameparameter est a false pour chaque edge cousue | |
4670 | for (; exp.More(); exp.Next()) { | |
4671 | const TopoDS_Edge& sec = TopoDS::Edge(exp.Current()); | |
4672 | try { | |
4673 | ||
4674 | BRepLib::SameParameter(sec, BRep_Tool::Tolerance(sec)); | |
4675 | } | |
4676 | catch (Standard_Failure) { | |
0797d9d3 | 4677 | #ifdef OCCT_DEBUG |
7fd59977 | 4678 | cout << "Fail: BRepBuilderAPI_Sewing::SameParameterShape exception in BRepLib::SameParameter" << endl; |
4679 | #endif | |
4680 | continue; | |
4681 | } | |
4682 | } | |
4683 | } | |
82192477 | 4684 | |
4685 | //======================================================================= | |
4686 | //function : Inspect | |
4687 | //purpose : Used for selection and storage of coinciding points | |
4688 | //======================================================================= | |
4689 | ||
4690 | NCollection_CellFilter_Action BRepBuilderAPI_VertexInspector::Inspect (const Standard_Integer theTarget) | |
4691 | { | |
4692 | /*gp_Pnt aPnt = gp_Pnt (myPoints.Value (theTarget - 1)); | |
4693 | if (aPnt.SquareDistance (gp_Pnt (myCurrent)) <= myTol) | |
4694 | myResInd.Append (theTarget);*/ | |
4695 | ||
4696 | const gp_XYZ& aPnt = myPoints.Value (theTarget - 1); | |
4697 | Standard_Real aDx, aDy, aDz; | |
4698 | aDx = myCurrent.X() - aPnt.X(); | |
4699 | aDy = myCurrent.Y() - aPnt.Y(); | |
4700 | aDz = myCurrent.Z() - aPnt.Z(); | |
4701 | ||
4702 | if ((aDx*aDx <= myTol) && (aDy*aDy <= myTol) && (aDz*aDz <= myTol)) | |
4703 | myResInd.Append (theTarget); | |
4704 | return CellFilter_Keep; | |
4705 | } | |
0794c042 | 4706 | |
4707 | //======================================================================= | |
4708 | //function : Context | |
4709 | //purpose : | |
4710 | //======================================================================= | |
4711 | const Handle(BRepTools_ReShape)& BRepBuilderAPI_Sewing::GetContext() const | |
4712 | { | |
4713 | return myReShape; | |
4714 | } | |
4715 | ||
4716 | //======================================================================= | |
4717 | //function : SetContext | |
4718 | //purpose : | |
4719 | //======================================================================= | |
4720 | void BRepBuilderAPI_Sewing::SetContext(const Handle(BRepTools_ReShape)& theContext) | |
4721 | { | |
4722 | myReShape = theContext; | |
4723 | } | |
4724 |