Commit | Line | Data |
---|---|---|
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 | ||
7fd59977 | 44 | |
45 | #include <Bnd_Box.hxx> | |
46 | #include <Bnd_Box2d.hxx> | |
47 | #include <Bnd_HArray1OfBox.hxx> | |
48 | #include <BndLib_Add2dCurve.hxx> | |
49 | #include <BndLib_Add3dCurve.hxx> | |
50 | #include <BRep_Builder.hxx> | |
42cf5bc1 | 51 | #include <BRep_ListOfPointRepresentation.hxx> |
52 | #include <BRep_PointOnCurve.hxx> | |
7fd59977 | 53 | #include <BRep_Tool.hxx> |
42cf5bc1 | 54 | #include <BRep_TVertex.hxx> |
55 | #include <BRepBuilderAPI_BndBoxTreeSelector.hxx> | |
56 | #include <BRepBuilderAPI_CellFilter.hxx> | |
57 | #include <BRepBuilderAPI_Sewing.hxx> | |
58 | #include <BRepBuilderAPI_VertexInspector.hxx> | |
7fd59977 | 59 | #include <BRepLib.hxx> |
42cf5bc1 | 60 | #include <BRepTools.hxx> |
7fd59977 | 61 | #include <BRepTools_Quilt.hxx> |
42cf5bc1 | 62 | #include <BRepTools_ReShape.hxx> |
7fd59977 | 63 | #include <BSplCLib.hxx> |
64 | #include <Extrema_ExtPC.hxx> | |
65 | #include <GCPnts_AbscissaPoint.hxx> | |
66 | #include <GCPnts_UniformAbscissa.hxx> | |
67 | #include <GCPnts_UniformDeflection.hxx> | |
68 | #include <Geom2d_BezierCurve.hxx> | |
69 | #include <Geom2d_BSplineCurve.hxx> | |
70 | #include <Geom2d_Curve.hxx> | |
71 | #include <Geom2d_Line.hxx> | |
72 | #include <Geom2d_TrimmedCurve.hxx> | |
73 | #include <Geom2dAdaptor_Curve.hxx> | |
74 | #include <Geom2dConvert.hxx> | |
75 | #include <Geom_BezierCurve.hxx> | |
76 | #include <Geom_BSplineCurve.hxx> | |
77 | #include <Geom_Curve.hxx> | |
78 | #include <Geom_Line.hxx> | |
42cf5bc1 | 79 | #include <Geom_OffsetSurface.hxx> |
80 | #include <Geom_RectangularTrimmedSurface.hxx> | |
7fd59977 | 81 | #include <Geom_Surface.hxx> |
82 | #include <GeomAdaptor_Curve.hxx> | |
83 | #include <GeomAdaptor_Surface.hxx> | |
84 | #include <GeomLib.hxx> | |
85 | #include <gp_Pnt.hxx> | |
86 | #include <gp_Vec.hxx> | |
42cf5bc1 | 87 | #include <Message_ProgressIndicator.hxx> |
88 | #include <Message_ProgressSentry.hxx> | |
89 | #include <NCollection_UBTreeFiller.hxx> | |
7fd59977 | 90 | #include <Precision.hxx> |
91 | #include <Standard_ErrorHandler.hxx> | |
92 | #include <Standard_Failure.hxx> | |
42cf5bc1 | 93 | #include <Standard_NoSuchObject.hxx> |
94 | #include <Standard_OutOfRange.hxx> | |
95 | #include <Standard_Type.hxx> | |
7fd59977 | 96 | #include <TColgp_Array1OfVec.hxx> |
97 | #include <TColgp_SequenceOfPnt.hxx> | |
98 | #include <TColStd_Array1OfInteger.hxx> | |
99 | #include <TColStd_Array1OfReal.hxx> | |
42cf5bc1 | 100 | #include <TColStd_Array2OfReal.hxx> |
7fd59977 | 101 | #include <TColStd_DataMapIteratorOfDataMapOfIntegerListOfInteger.hxx> |
102 | #include <TColStd_DataMapOfIntegerListOfInteger.hxx> | |
103 | #include <TColStd_IndexedMapOfInteger.hxx> | |
104 | #include <TColStd_ListIteratorOfListOfInteger.hxx> | |
105 | #include <TColStd_ListOfInteger.hxx> | |
42cf5bc1 | 106 | #include <TColStd_MapIteratorOfMapOfInteger.hxx> |
7fd59977 | 107 | #include <TColStd_MapOfInteger.hxx> |
108 | #include <TColStd_SequenceOfReal.hxx> | |
109 | #include <TopAbs.hxx> | |
110 | #include <TopExp.hxx> | |
111 | #include <TopExp_Explorer.hxx> | |
112 | #include <TopLoc_Location.hxx> | |
113 | #include <TopoDS.hxx> | |
42cf5bc1 | 114 | #include <TopoDS_Compound.hxx> |
7fd59977 | 115 | #include <TopoDS_Edge.hxx> |
42cf5bc1 | 116 | #include <TopoDS_Face.hxx> |
7fd59977 | 117 | #include <TopoDS_Iterator.hxx> |
118 | #include <TopoDS_Shape.hxx> | |
42cf5bc1 | 119 | #include <TopoDS_Shell.hxx> |
7fd59977 | 120 | #include <TopoDS_Vertex.hxx> |
121 | #include <TopoDS_Wire.hxx> | |
7fd59977 | 122 | #include <TopTools_Array1OfShape.hxx> |
123 | #include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx> | |
124 | #include <TopTools_DataMapIteratorOfDataMapOfShapeShape.hxx> | |
125 | #include <TopTools_DataMapOfShapeInteger.hxx> | |
126 | #include <TopTools_DataMapOfShapeListOfShape.hxx> | |
127 | #include <TopTools_ListIteratorOfListOfShape.hxx> | |
128 | #include <TopTools_ListOfShape.hxx> | |
129 | #include <TopTools_MapIteratorOfMapOfShape.hxx> | |
130 | #include <TopTools_MapOfShape.hxx> | |
131 | #include <TopTools_SequenceOfShape.hxx> | |
7fd59977 | 132 | |
42cf5bc1 | 133 | //#include <LocalAnalysis_SurfaceContinuity.hxx> |
7fd59977 | 134 | //======================================================================= |
135 | //function : SameRange | |
136 | //purpose : | |
137 | //======================================================================= | |
7fd59977 | 138 | Handle(Geom2d_Curve) BRepBuilderAPI_Sewing::SameRange(const Handle(Geom2d_Curve)& CurvePtr, |
139 | const Standard_Real FirstOnCurve, | |
140 | const Standard_Real LastOnCurve, | |
141 | const Standard_Real RequestedFirst, | |
142 | const Standard_Real RequestedLast) const | |
143 | { | |
144 | Handle(Geom2d_Curve) NewCurvePtr; | |
145 | try { | |
146 | ||
147 | GeomLib::SameRange(Precision::PConfusion(),CurvePtr,FirstOnCurve,LastOnCurve, | |
148 | RequestedFirst,RequestedLast,NewCurvePtr); | |
149 | } | |
150 | catch (Standard_Failure) { | |
0797d9d3 | 151 | #ifdef OCCT_DEBUG |
7fd59977 | 152 | cout << "Exception in BRepBuilderAPI_Sewing::SameRange: "; |
153 | Standard_Failure::Caught()->Print(cout); cout << endl; | |
154 | #endif | |
155 | } | |
156 | return NewCurvePtr; | |
157 | } | |
158 | ||
159 | //======================================================================= | |
160 | //function : WhichFace | |
0d969553 | 161 | //purpose : Give the face whose edge is the border |
7fd59977 | 162 | //======================================================================= |
163 | ||
164 | TopoDS_Face BRepBuilderAPI_Sewing::WhichFace(const TopoDS_Edge& theEdg, const Standard_Integer index) const | |
165 | { | |
166 | TopoDS_Shape bound = theEdg; | |
167 | if (mySectionBound.IsBound(bound)) bound = mySectionBound(bound); | |
168 | if (myBoundFaces.Contains(bound)) { | |
169 | Standard_Integer i = 1; | |
170 | TopTools_ListIteratorOfListOfShape itf(myBoundFaces.FindFromKey(bound)); | |
171 | for (; itf.More(); itf.Next(), i++) | |
172 | if (i == index) return TopoDS::Face(itf.Value()); | |
173 | } | |
174 | return TopoDS_Face(); | |
175 | } | |
176 | ||
177 | //======================================================================= | |
178 | //function : IsClosedShape | |
179 | //purpose : | |
180 | //======================================================================= | |
181 | ||
182 | static Standard_Boolean IsClosedShape(const TopoDS_Shape& theshape, | |
183 | const TopoDS_Shape& v1, const TopoDS_Shape& v2) | |
184 | { | |
185 | Standard_Real TotLength = 0.0; | |
186 | TopExp_Explorer aexp; | |
187 | for (aexp.Init(theshape,TopAbs_EDGE); aexp.More(); aexp.Next()) { | |
188 | TopoDS_Edge aedge = TopoDS::Edge(aexp.Current()); | |
189 | if (aedge.IsNull()) continue; | |
190 | TopoDS_Vertex ve1,ve2; | |
191 | TopExp::Vertices(aedge,ve1,ve2); | |
192 | if (!ve1.IsSame(v1) && !ve1.IsSame(v2)) continue; | |
193 | if (BRep_Tool::Degenerated(aedge)) continue; | |
194 | Standard_Real first,last; | |
195 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(TopoDS::Edge(aedge), first, last); | |
196 | if (!c3d.IsNull()) { | |
197 | GeomAdaptor_Curve cAdapt(c3d); | |
198 | Standard_Real length = GCPnts_AbscissaPoint::Length(cAdapt, first, last); | |
199 | TotLength += length; | |
200 | if (ve2.IsSame(v1) || ve2.IsSame(v2)) break; | |
201 | } | |
202 | } | |
203 | if (TotLength > 0.0) { | |
204 | gp_Pnt p1 = BRep_Tool::Pnt(TopoDS::Vertex(v1)); | |
205 | gp_Pnt p2 = BRep_Tool::Pnt(TopoDS::Vertex(v2)); | |
c6541a0c | 206 | return (p1.Distance(p2) < TotLength/(1.2 * M_PI)); |
7fd59977 | 207 | } |
208 | return Standard_False; | |
209 | } | |
210 | ||
211 | //======================================================================= | |
212 | //function : IsClosedByIsos | |
213 | //purpose : | |
214 | //======================================================================= | |
215 | static Standard_Boolean IsClosedByIsos(const Handle(Geom_Surface)& thesurf, | |
216 | const Handle(Geom2d_Curve)& acrv2d, | |
217 | const Standard_Real f2d, | |
218 | const Standard_Real l2d, | |
219 | const Standard_Boolean isUIsos) | |
220 | { | |
221 | Standard_Boolean isClosed = Standard_False; | |
222 | ||
223 | gp_Pnt2d psurf1 = (acrv2d->IsPeriodic() ? | |
224 | acrv2d->Value(f2d) : acrv2d->Value(Max(f2d,acrv2d->FirstParameter()))); | |
225 | gp_Pnt2d psurf2 = (acrv2d->IsPeriodic() ? | |
226 | acrv2d->Value(l2d) : acrv2d->Value(Min(l2d,acrv2d->LastParameter()))); | |
227 | Handle(Geom_Curve) aCrv1; | |
228 | Handle(Geom_Curve) aCrv2; | |
229 | if(isUIsos) { | |
230 | aCrv1 = thesurf->UIso(psurf1.X()); | |
231 | aCrv2 = thesurf->UIso(psurf2.X()); | |
232 | } | |
233 | else { | |
234 | aCrv1 = thesurf->VIso(psurf1.Y()); | |
235 | aCrv2 = thesurf->VIso(psurf2.Y()); | |
236 | } | |
237 | gp_Pnt p11,p1m,p12,p21,p2m,p22; | |
238 | Standard_Real af1 = aCrv1->FirstParameter(); | |
239 | Standard_Real al1 = aCrv1->LastParameter(); | |
240 | Standard_Real af2 = aCrv2->FirstParameter(); | |
241 | Standard_Real al2 = aCrv2->LastParameter(); | |
242 | aCrv1->D0(af1,p11); | |
243 | aCrv1->D0((af1+al1)*0.5,p1m); | |
244 | aCrv1->D0(al1,p12); | |
245 | aCrv2->D0(af2,p21); | |
246 | aCrv2->D0((af2+al2)*0.5,p2m); | |
247 | aCrv2->D0(al2,p22); | |
248 | isClosed = (((p11.XYZ() - p12.XYZ()).Modulus() < | |
249 | (p11.XYZ() - p1m.XYZ()).Modulus() - Precision::Confusion()) && | |
250 | ((p21.XYZ() - p22.XYZ()).Modulus() < | |
251 | (p21.XYZ() - p2m.XYZ()).Modulus() - Precision::Confusion())) ; | |
252 | return isClosed; | |
253 | } | |
254 | //======================================================================= | |
255 | //function : IsUClosedSurface | |
256 | //purpose : | |
257 | //======================================================================= | |
258 | ||
259 | Standard_Boolean BRepBuilderAPI_Sewing::IsUClosedSurface(const Handle(Geom_Surface)& surf, | |
260 | const TopoDS_Shape& theEdge, | |
261 | const TopLoc_Location& theloc) const | |
262 | { | |
263 | Handle(Geom_Surface) tmpsurf = surf; | |
264 | if(tmpsurf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) | |
265 | tmpsurf = Handle(Geom_RectangularTrimmedSurface)::DownCast(surf)->BasisSurface(); | |
266 | else if(tmpsurf->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) | |
267 | tmpsurf = Handle(Geom_OffsetSurface)::DownCast(surf)->BasisSurface(); | |
268 | else { | |
269 | Standard_Boolean isClosed = tmpsurf->IsUClosed(); | |
270 | if(!isClosed) { | |
271 | Standard_Real f2d, l2d; | |
272 | Handle(Geom2d_Curve) acrv2d = BRep_Tool::CurveOnSurface(TopoDS::Edge(theEdge), surf,theloc, f2d, l2d); | |
273 | if(!acrv2d.IsNull()) | |
274 | isClosed = IsClosedByIsos(tmpsurf,acrv2d,f2d, l2d,Standard_False ); | |
275 | ||
276 | } | |
277 | return isClosed; | |
278 | } | |
279 | return IsUClosedSurface(tmpsurf,theEdge,theloc); | |
280 | //return surf->IsUClosed(); | |
281 | } | |
282 | ||
283 | //======================================================================= | |
284 | //function : IsVClosedSurface | |
285 | //purpose : | |
286 | //======================================================================= | |
287 | ||
288 | Standard_Boolean BRepBuilderAPI_Sewing::IsVClosedSurface(const Handle(Geom_Surface)& surf, | |
289 | const TopoDS_Shape& theEdge, | |
290 | const TopLoc_Location& theloc) const | |
291 | { | |
292 | Handle(Geom_Surface) tmpsurf = surf; | |
293 | if(tmpsurf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) | |
294 | tmpsurf = Handle(Geom_RectangularTrimmedSurface)::DownCast(surf)->BasisSurface(); | |
295 | else if(tmpsurf->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) | |
296 | tmpsurf = Handle(Geom_OffsetSurface)::DownCast(surf)->BasisSurface(); | |
297 | else { | |
298 | Standard_Boolean isClosed = tmpsurf->IsVClosed(); | |
299 | if(!isClosed) { | |
300 | Standard_Real f2d, l2d; | |
301 | Handle(Geom2d_Curve) acrv2d = BRep_Tool::CurveOnSurface(TopoDS::Edge(theEdge), surf,theloc, f2d, l2d); | |
302 | if(!acrv2d.IsNull()) | |
303 | isClosed = IsClosedByIsos(tmpsurf,acrv2d,f2d, l2d,Standard_True ); | |
304 | } | |
305 | return isClosed; | |
306 | } | |
307 | return IsVClosedSurface(tmpsurf,theEdge,theloc); | |
308 | //return surf->IsVClosed(); | |
309 | } | |
310 | ||
311 | //======================================================================= | |
312 | //function : SameParameter | |
313 | //purpose : internal use | |
314 | //======================================================================= | |
315 | ||
316 | void BRepBuilderAPI_Sewing::SameParameter(const TopoDS_Edge& edge) const | |
317 | { | |
318 | try { | |
319 | ||
320 | BRepLib::SameParameter(edge); | |
321 | } | |
322 | catch (Standard_Failure) { | |
0797d9d3 | 323 | #ifdef OCCT_DEBUG |
7fd59977 | 324 | cout << "Exception in BRepBuilderAPI_Sewing::SameParameter: "; |
325 | Standard_Failure::Caught()->Print(cout); cout << endl; | |
326 | #endif | |
327 | } | |
328 | } | |
329 | ||
330 | //======================================================================= | |
331 | //function : SameParameterEdge | |
332 | //purpose : internal use | |
333 | // Merge the Sequence Of Section on one edge. | |
334 | // This function keep the curve3d,curve2d,range and parametrization | |
335 | // from the first section, and report and made sameparameter the | |
336 | // pcurves of the other function. | |
337 | // This function works when the are not more than two Pcurves | |
338 | // on a same face. | |
339 | //======================================================================= | |
340 | ||
341 | TopoDS_Edge BRepBuilderAPI_Sewing::SameParameterEdge(const TopoDS_Shape& edge, | |
342 | const TopTools_SequenceOfShape& seqEdges, | |
343 | const TColStd_SequenceOfInteger& seqForward, | |
344 | TopTools_MapOfShape& mapMerged, | |
345 | const Handle(BRepTools_ReShape)& locReShape) | |
346 | { | |
347 | // Retrieve reference section | |
348 | TopoDS_Shape aTmpShape = myReShape->Apply(edge); //for porting | |
349 | TopoDS_Edge Edge1 = TopoDS::Edge(aTmpShape); | |
350 | aTmpShape = locReShape->Apply(Edge1); | |
351 | if (locReShape != myReShape) Edge1 = TopoDS::Edge(aTmpShape); | |
352 | Standard_Boolean isDone = Standard_False; | |
353 | ||
354 | // Create data structures for temporary merged edges | |
355 | TopTools_ListOfShape listFaces1; | |
356 | TopTools_MapOfShape MergedFaces; | |
357 | ||
358 | if (mySewing) { | |
359 | ||
360 | // Fill MergedFaces with faces of Edge1 | |
361 | TopoDS_Shape bnd1 = edge; | |
362 | if (mySectionBound.IsBound(bnd1)) bnd1 = mySectionBound(bnd1); | |
363 | if (myBoundFaces.Contains(bnd1)) { | |
364 | TopTools_ListIteratorOfListOfShape itf(myBoundFaces.FindFromKey(bnd1)); | |
365 | for (; itf.More(); itf.Next()) | |
366 | if (MergedFaces.Add(itf.Value())) | |
367 | listFaces1.Append(itf.Value()); | |
368 | } | |
369 | } | |
370 | else { | |
371 | ||
372 | // Create presentation edge | |
373 | TopoDS_Vertex V1, V2; | |
374 | TopExp::Vertices(Edge1,V1,V2); | |
375 | if (myVertexNode.Contains(V1)) V1 = TopoDS::Vertex(myVertexNode.FindFromKey(V1)); | |
376 | if (myVertexNode.Contains(V2)) V2 = TopoDS::Vertex(myVertexNode.FindFromKey(V2)); | |
377 | ||
378 | TopoDS_Edge NewEdge = Edge1; | |
379 | NewEdge.EmptyCopy(); | |
380 | ||
381 | // Add the vertices | |
382 | BRep_Builder aBuilder; | |
383 | TopoDS_Shape anEdge = NewEdge.Oriented(TopAbs_FORWARD); | |
384 | aBuilder.Add(anEdge,V1.Oriented(TopAbs_FORWARD)); | |
385 | aBuilder.Add(anEdge,V2.Oriented(TopAbs_REVERSED)); | |
386 | ||
387 | Edge1 = NewEdge; | |
388 | } | |
389 | ||
390 | Standard_Boolean isForward = Standard_True; | |
391 | ||
392 | // Merge candidate sections | |
393 | for (Standard_Integer i = 1; i <= seqEdges.Length(); i++) { | |
394 | ||
395 | // Retrieve candidate section | |
396 | TopoDS_Shape oedge2 = seqEdges(i); | |
397 | ||
398 | if (mySewing) { | |
399 | ||
400 | aTmpShape = myReShape->Apply(oedge2); //for porting | |
401 | TopoDS_Edge Edge2 = TopoDS::Edge(aTmpShape); | |
402 | aTmpShape = locReShape->Apply(Edge2); | |
403 | if (locReShape != myReShape) Edge2 = TopoDS::Edge(aTmpShape); | |
404 | ||
405 | // Calculate relative orientation | |
406 | Standard_Integer Orientation = seqForward(i); | |
407 | if (!isForward) Orientation = (Orientation? 0 : 1); | |
408 | ||
409 | // Retrieve faces information for the second edge | |
410 | TopoDS_Shape bnd2 = oedge2; | |
411 | if (mySectionBound.IsBound(bnd2)) bnd2 = mySectionBound(bnd2); | |
412 | if (!myBoundFaces.Contains(bnd2)) continue; // Skip floating edge | |
413 | const TopTools_ListOfShape& listFaces2 = myBoundFaces.FindFromKey(bnd2); | |
414 | ||
415 | Standard_Integer whichSec = 1; // Indicates on which edge the pCurve has been reported | |
416 | TopoDS_Edge NewEdge = SameParameterEdge(Edge1,Edge2,listFaces1,listFaces2,Orientation,whichSec); | |
417 | if (NewEdge.IsNull()) continue; | |
418 | ||
419 | // Record faces information for the temporary merged edge | |
420 | TopTools_ListIteratorOfListOfShape itf(listFaces2); | |
421 | for (; itf.More(); itf.Next()) | |
422 | if (MergedFaces.Add(itf.Value())) | |
423 | listFaces1.Append(itf.Value()); | |
424 | ||
425 | // Record merged section orientation | |
426 | if (!Orientation && whichSec != 1) | |
427 | isForward = isForward? Standard_False : Standard_True; | |
428 | Edge1 = NewEdge; | |
429 | } | |
430 | ||
431 | // Append actually merged edge | |
432 | mapMerged.Add(oedge2); | |
433 | isDone = Standard_True; | |
434 | ||
435 | if (!myNonmanifold) break; | |
436 | } | |
437 | ||
438 | if (isDone) { | |
439 | // Change result orientation | |
440 | Edge1.Orientation(isForward? TopAbs_FORWARD : TopAbs_REVERSED); | |
441 | } | |
442 | else Edge1.Nullify(); | |
443 | ||
444 | return Edge1; | |
445 | } | |
446 | ||
447 | //======================================================================= | |
448 | //function : SameParameterEdge | |
449 | //purpose : internal use | |
450 | //======================================================================= | |
451 | static Standard_Boolean findNMVertices(const TopoDS_Edge& theEdge, | |
452 | TopTools_SequenceOfShape& theSeqNMVert, | |
453 | TColStd_SequenceOfReal& theSeqPars) | |
454 | { | |
455 | TopoDS_Iterator aItV(theEdge,Standard_False); | |
456 | for( ; aItV.More(); aItV.Next()) { | |
457 | if(aItV.Value().Orientation() == TopAbs_INTERNAL || | |
458 | aItV.Value().Orientation() == TopAbs_EXTERNAL) | |
459 | theSeqNMVert.Append(aItV.Value()); | |
460 | } | |
461 | Standard_Integer nbV = theSeqNMVert.Length(); | |
462 | if(!nbV) | |
463 | return Standard_False; | |
464 | Standard_Real first, last; | |
465 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(theEdge,first, last); | |
466 | GeomAdaptor_Curve GAC(c3d); | |
467 | Extrema_ExtPC locProj; | |
468 | locProj.Initialize(GAC, first, last); | |
469 | gp_Pnt pfirst = GAC.Value(first), plast = GAC.Value(last); | |
470 | ||
471 | ||
472 | for (Standard_Integer i = 1; i <= nbV; i++) { | |
473 | TopoDS_Vertex aV = TopoDS::Vertex(theSeqNMVert.Value(i)); | |
474 | gp_Pnt pt = BRep_Tool::Pnt(aV); | |
475 | ||
476 | Standard_Real distF2 = pfirst.SquareDistance(pt); | |
477 | Standard_Real distL2 = plast.SquareDistance(pt); | |
478 | Standard_Real apar = (distF2 > distL2 ? last : first); | |
479 | // Project current point on curve | |
480 | locProj.Perform(pt); | |
481 | if (locProj.IsDone() && locProj.NbExt() > 0) { | |
482 | Standard_Real dist2Min = Min(distF2,distL2); | |
483 | Standard_Integer ind, indMin = 0; | |
484 | for (ind = 1; ind <= locProj.NbExt(); ind++) { | |
485 | Standard_Real dProj2 = locProj.SquareDistance(ind); | |
486 | if (dProj2 < dist2Min) { | |
487 | indMin = ind; dist2Min = dProj2; | |
488 | } | |
489 | } | |
490 | if(indMin) | |
491 | apar = locProj.Point(indMin).Parameter(); | |
492 | ||
493 | theSeqPars.Append(apar); | |
494 | ||
495 | } | |
496 | } | |
497 | return Standard_True; | |
498 | } | |
499 | ||
93937391 | 500 | static void ComputeToleranceVertex(TopoDS_Vertex theV1, TopoDS_Vertex theV2, |
501 | TopoDS_Vertex& theNewV) | |
7fd59977 | 502 | { |
93937391 | 503 | Standard_Integer m, n; |
504 | Standard_Real aR[2], dR, aD, aEps; | |
505 | TopoDS_Vertex aV[2]; | |
506 | gp_Pnt aP[2]; | |
507 | BRep_Builder aBB; | |
508 | // | |
509 | aEps = RealEpsilon(); | |
510 | aV[0] = theV1; | |
511 | aV[1] = theV2; | |
512 | for (m = 0; m < 2; ++m) { | |
513 | aP[m] = BRep_Tool::Pnt(aV[m]); | |
514 | aR[m] = BRep_Tool::Tolerance(aV[m]); | |
515 | } | |
516 | // | |
517 | m=0; // max R | |
518 | n=1; // min R | |
519 | if (aR[0] < aR[1]) { | |
520 | m=1; | |
521 | n=0; | |
522 | } | |
523 | // | |
524 | dR = aR[m] - aR[n]; // dR >= 0. | |
525 | gp_Vec aVD(aP[m], aP[n]); | |
526 | aD = aVD.Magnitude(); | |
527 | // | |
528 | if (aD <= dR || aD < aEps) { | |
529 | aBB.MakeVertex (theNewV, aP[m], aR[m]); | |
530 | } | |
531 | else { | |
532 | Standard_Real aRr; | |
533 | gp_XYZ aXYZr; | |
534 | gp_Pnt aPr; | |
535 | // | |
536 | aRr = 0.5 * (aR[m] + aR[n] + aD); | |
537 | aXYZr = 0.5 * (aP[m].XYZ() + aP[n].XYZ() - aVD.XYZ() * (dR/aD)); | |
538 | aPr.SetXYZ(aXYZr); | |
539 | // | |
540 | aBB.MakeVertex (theNewV, aPr, aRr); | |
541 | } | |
542 | return; | |
543 | } | |
544 | ||
545 | static void ComputeToleranceVertex(TopoDS_Vertex theV1, TopoDS_Vertex theV2, | |
546 | TopoDS_Vertex theV3, TopoDS_Vertex& theNewV) | |
547 | { | |
548 | Standard_Real aDi, aDmax; | |
549 | gp_Pnt aCenter; | |
550 | gp_Pnt aP[3]; | |
551 | Standard_Real aR[3]; | |
552 | TopoDS_Vertex aV[3]; | |
553 | gp_XYZ aXYZ(0.,0.,0.); | |
554 | aV[0] = theV1; | |
555 | aV[1] = theV2; | |
556 | aV[2] = theV3; | |
557 | for (Standard_Integer i = 0; i < 3; ++i) { | |
558 | aP[i] = BRep_Tool::Pnt(aV[i]); | |
559 | aR[i] = BRep_Tool::Tolerance(aV[i]); | |
560 | aXYZ = aXYZ + aP[i].XYZ(); | |
561 | } | |
562 | // | |
563 | aXYZ.Divide(3.0); | |
564 | aCenter.SetXYZ(aXYZ); | |
565 | // | |
566 | aDmax=-1.; | |
567 | for ( Standard_Integer i = 0; i < 3; ++i) { | |
568 | aDi = aCenter.Distance(aP[i]); | |
569 | aDi += aR[i]; | |
570 | if (aDi > aDmax) | |
571 | aDmax = aDi; | |
572 | } | |
573 | ||
574 | BRep_Builder aBB; | |
575 | aBB.MakeVertex (theNewV, aCenter, aDmax); | |
576 | return; | |
7fd59977 | 577 | } |
2a739b6d | 578 | |
7fd59977 | 579 | TopoDS_Edge BRepBuilderAPI_Sewing::SameParameterEdge(const TopoDS_Edge& edgeFirst, |
580 | const TopoDS_Edge& edgeLast, | |
581 | const TopTools_ListOfShape& listFacesFirst, | |
582 | const TopTools_ListOfShape& listFacesLast, | |
583 | const Standard_Boolean secForward, | |
584 | Standard_Integer& whichSec, | |
585 | const Standard_Boolean firstCall) | |
586 | { | |
587 | // Do not process floating edges | |
588 | if (!listFacesFirst.Extent() || !listFacesLast.Extent()) return TopoDS_Edge(); | |
589 | ||
590 | // Sort input edges | |
591 | TopoDS_Edge edge1, edge2; | |
592 | if (firstCall) { | |
593 | // Take the longest edge as first | |
594 | Standard_Real f, l; | |
595 | Handle(Geom_Curve) c3d1 = BRep_Tool::Curve(TopoDS::Edge(edgeFirst), f, l); | |
596 | GeomAdaptor_Curve cAdapt1(c3d1); | |
597 | Standard_Real len1 = GCPnts_AbscissaPoint::Length(cAdapt1, f, l); | |
598 | Handle(Geom_Curve) c3d2 = BRep_Tool::Curve(TopoDS::Edge(edgeLast), f, l); | |
599 | GeomAdaptor_Curve cAdapt2(c3d2); | |
600 | Standard_Real len2 = GCPnts_AbscissaPoint::Length(cAdapt2, f, l); | |
601 | if (len1 < len2) { | |
602 | edge1 = edgeLast; | |
603 | edge2 = edgeFirst; | |
604 | whichSec = 2; | |
605 | } | |
606 | else { | |
607 | edge1 = edgeFirst; | |
608 | edge2 = edgeLast; | |
609 | whichSec = 1; | |
610 | } | |
611 | } | |
612 | else { | |
613 | if (whichSec == 1) { | |
614 | edge1 = edgeLast; | |
615 | edge2 = edgeFirst; | |
616 | whichSec = 2; | |
617 | } | |
618 | else { | |
619 | edge1 = edgeFirst; | |
620 | edge2 = edgeLast; | |
621 | whichSec = 1; | |
622 | } | |
623 | } | |
624 | ||
625 | Standard_Real first, last; | |
626 | BRep_Tool::Range(edge1, first, last); | |
627 | BRep_Builder aBuilder; | |
628 | ||
629 | //To keep NM vertices on edge | |
630 | TopTools_SequenceOfShape aSeqNMVert; | |
631 | TColStd_SequenceOfReal aSeqNMPars; | |
632 | findNMVertices(edge1,aSeqNMVert,aSeqNMPars); | |
633 | findNMVertices(edge2,aSeqNMVert,aSeqNMPars); | |
634 | ||
635 | // Create new edge | |
636 | TopoDS_Edge edge; | |
637 | aBuilder.MakeEdge(edge); | |
638 | edge.Orientation( edge1.Orientation()); | |
639 | ||
640 | ||
641 | // Retrieve edge curve | |
642 | TopLoc_Location loc3d; | |
643 | Standard_Real first3d, last3d; | |
644 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(edge1, loc3d, first3d, last3d); | |
645 | if (!loc3d.IsIdentity()) { | |
646 | c3d = Handle(Geom_Curve)::DownCast(c3d->Copy()); | |
647 | c3d->Transform(loc3d.Transformation()); | |
648 | } | |
649 | aBuilder.UpdateEdge(edge,c3d,BRep_Tool::Tolerance(edge1)); | |
650 | aBuilder.Range(edge, first, last); | |
651 | aBuilder.SameRange(edge, Standard_False); //Standard_True | |
652 | aBuilder.SameParameter(edge, Standard_False); | |
653 | // Create and add new vertices | |
654 | { | |
655 | TopoDS_Vertex V1New, V2New; | |
656 | ||
657 | // Retrieve original vertices from edges | |
658 | TopoDS_Vertex V11,V12,V21,V22; | |
659 | TopExp::Vertices(edge1,V11,V12); | |
660 | TopExp::Vertices(edge2,V21,V22); | |
661 | ||
67ffcad0 G |
662 | //check that edges merged valid way (for edges having length less than specified |
663 | //tolerance | |
9781f215 G |
664 | // Check if edges are closed |
665 | Standard_Boolean isClosed1 = V11.IsSame(V12); | |
666 | Standard_Boolean isClosed2 = V21.IsSame(V22); | |
667 | if(!isClosed1 && !isClosed2) | |
2028d00c | 668 | { |
9781f215 G |
669 | if(secForward ) |
670 | { | |
671 | if( V11.IsSame(V22) || V12.IsSame(V21) ) | |
672 | return TopoDS_Edge(); | |
673 | } | |
674 | else | |
675 | { | |
676 | if( V11.IsSame(V21) || V12.IsSame(V22) ) | |
677 | return TopoDS_Edge(); | |
678 | } | |
2028d00c G |
679 | } |
680 | ||
7fd59977 | 681 | //szv: do not reshape here!!! |
682 | //V11 = TopoDS::Vertex(myReShape->Apply(V11)); | |
683 | //V12 = TopoDS::Vertex(myReShape->Apply(V12)); | |
684 | //V21 = TopoDS::Vertex(myReShape->Apply(V21)); | |
685 | //V22 = TopoDS::Vertex(myReShape->Apply(V22)); | |
686 | ||
7fd59977 | 687 | //Standard_Boolean isRev = Standard_False; |
7fd59977 | 688 | if (isClosed1 || isClosed2) { |
689 | // at least one of the edges is closed | |
690 | if (isClosed1 && isClosed2) { | |
67ffcad0 | 691 | // both edges are closed |
93937391 | 692 | ComputeToleranceVertex(V11, V21, V1New); |
7fd59977 | 693 | } |
694 | else if (isClosed1) { | |
67ffcad0 | 695 | // only first edge is closed |
93937391 | 696 | ComputeToleranceVertex(V22, V21, V11, V1New); |
7fd59977 | 697 | } |
698 | else { | |
67ffcad0 | 699 | // only second edge is closed |
93937391 | 700 | ComputeToleranceVertex(V11, V12, V21, V1New); |
7fd59977 | 701 | } |
7fd59977 | 702 | V2New = V1New; |
703 | } | |
704 | else { | |
705 | // both edges are open | |
67ffcad0 G |
706 | Standard_Boolean isOldFirst = ( secForward ? V11.IsSame(V21) : V11.IsSame(V22) ); |
707 | Standard_Boolean isOldLast = ( secForward ? V12.IsSame(V22) : V12.IsSame(V21)) ; | |
7fd59977 | 708 | if (secForward) { |
67ffcad0 G |
709 | //case if vertices already sewed |
710 | if(!isOldFirst) | |
711 | { | |
93937391 | 712 | ComputeToleranceVertex(V11, V21, V1New); |
67ffcad0 G |
713 | } |
714 | if(!isOldLast) | |
715 | { | |
93937391 | 716 | ComputeToleranceVertex(V12, V22, V2New); |
67ffcad0 | 717 | } |
7fd59977 | 718 | } |
719 | else { | |
67ffcad0 G |
720 | if(!isOldFirst) |
721 | { | |
93937391 | 722 | ComputeToleranceVertex(V11, V22, V1New); |
67ffcad0 G |
723 | } |
724 | if(!isOldLast) | |
725 | { | |
93937391 | 726 | ComputeToleranceVertex(V12, V21, V2New); |
67ffcad0 | 727 | } |
7fd59977 | 728 | } |
93937391 | 729 | if(isOldFirst) |
67ffcad0 | 730 | V1New = V11; |
67ffcad0 | 731 | |
93937391 | 732 | if(isOldLast) |
67ffcad0 | 733 | V2New = V12; |
7fd59977 | 734 | } |
7fd59977 | 735 | // Add the vertices in the good sense |
736 | TopoDS_Shape anEdge = edge.Oriented(TopAbs_FORWARD); | |
737 | TopoDS_Shape aLocalEdge = V1New.Oriented(TopAbs_FORWARD); //(listNode.First()).Oriented(TopAbs_FORWARD); | |
738 | aBuilder.Add(anEdge,aLocalEdge); | |
739 | aLocalEdge = V2New.Oriented(TopAbs_REVERSED); //(listNode.Last()).Oriented(TopAbs_REVERSED); | |
740 | aBuilder.Add(anEdge,aLocalEdge); | |
741 | ||
742 | Standard_Integer k =1; | |
743 | for( ; k <= aSeqNMVert.Length(); k++) | |
744 | aBuilder.Add(anEdge,aSeqNMVert.Value(k)); | |
745 | ||
746 | } | |
747 | ||
748 | // Retrieve second PCurves | |
749 | TopLoc_Location loc2; | |
750 | Handle(Geom_Surface) surf2; | |
47980104 | 751 | |
7fd59977 | 752 | //Handle(Geom2d_Curve) c2d2, c2d21; |
753 | // Standard_Real firstOld, lastOld; | |
754 | ||
755 | TopTools_ListIteratorOfListOfShape itf2; | |
756 | if (whichSec == 1) itf2.Initialize(listFacesLast); | |
757 | else itf2.Initialize(listFacesFirst); | |
758 | Standard_Boolean isResEdge = Standard_False; | |
0221b126 | 759 | TopoDS_Face fac2; |
7fd59977 | 760 | for (; itf2.More(); itf2.Next()) { |
761 | Handle(Geom2d_Curve) c2d2, c2d21; | |
762 | Standard_Real firstOld, lastOld; | |
0221b126 | 763 | fac2 = TopoDS::Face(itf2.Value()); |
7fd59977 | 764 | |
765 | surf2 = BRep_Tool::Surface(fac2, loc2); | |
766 | Standard_Boolean isSeam2 = ((IsUClosedSurface(surf2,edge2,loc2) || IsVClosedSurface(surf2,edge2,loc2)) && | |
67ffcad0 | 767 | BRep_Tool::IsClosed(TopoDS::Edge(edge2),fac2)); |
7fd59977 | 768 | if (isSeam2) { |
769 | if (!myNonmanifold) return TopoDS_Edge(); | |
770 | TopoDS_Shape aTmpShape = edge2.Reversed(); //for porting | |
771 | c2d21 = BRep_Tool::CurveOnSurface(TopoDS::Edge(aTmpShape), fac2, firstOld, lastOld); | |
772 | } | |
773 | c2d2 = BRep_Tool::CurveOnSurface(edge2, fac2, firstOld, lastOld); | |
774 | if (c2d2.IsNull() && c2d21.IsNull()) continue; | |
775 | ||
776 | if (!c2d21.IsNull()) { | |
777 | c2d21 = Handle(Geom2d_Curve)::DownCast(c2d21->Copy()); | |
778 | if (!secForward) { | |
67ffcad0 G |
779 | if (c2d21->IsKind(STANDARD_TYPE(Geom2d_Line))) |
780 | c2d21 = new Geom2d_TrimmedCurve(c2d21, firstOld, lastOld); | |
781 | Standard_Real first2d = firstOld; //c2dTmp->FirstParameter(); BUG USA60321 | |
782 | Standard_Real last2d = lastOld; //c2dTmp->LastParameter(); | |
783 | firstOld = c2d21->ReversedParameter(last2d); | |
784 | lastOld = c2d21->ReversedParameter(first2d); | |
785 | c2d21->Reverse(); | |
7fd59977 | 786 | } |
787 | c2d21 = SameRange(c2d21,firstOld,lastOld,first,last); | |
788 | } | |
789 | ||
790 | // Make second PCurve sameRange with the 3d curve | |
791 | c2d2 = Handle(Geom2d_Curve)::DownCast(c2d2->Copy()); | |
67ffcad0 | 792 | |
7fd59977 | 793 | if (!secForward) { |
794 | if (c2d2->IsKind(STANDARD_TYPE(Geom2d_Line))) | |
67ffcad0 G |
795 | c2d2 = new Geom2d_TrimmedCurve(c2d2, firstOld, lastOld); |
796 | Standard_Real first2d = firstOld; | |
797 | Standard_Real last2d = lastOld; | |
7fd59977 | 798 | firstOld = c2d2->ReversedParameter(last2d); |
799 | lastOld = c2d2->ReversedParameter(first2d); | |
800 | c2d2->Reverse(); | |
801 | } | |
802 | ||
803 | c2d2 = SameRange(c2d2,firstOld,lastOld,first,last); | |
804 | if (c2d2.IsNull()) continue; | |
67ffcad0 | 805 | |
7fd59977 | 806 | // Add second PCurve |
807 | Standard_Boolean isSeam = Standard_False; | |
808 | TopAbs_Orientation Ori = TopAbs_FORWARD; | |
809 | //Handle(Geom2d_Curve) c2d1, c2d11; | |
810 | ||
811 | TopTools_ListIteratorOfListOfShape itf1; | |
812 | if (whichSec == 1) itf1.Initialize(listFacesFirst); | |
813 | else itf1.Initialize(listFacesLast); | |
814 | for (; itf1.More() && !isSeam; itf1.Next()) { | |
815 | Handle(Geom2d_Curve) c2d1, c2d11; | |
816 | const TopoDS_Face& fac1 = TopoDS::Face(itf1.Value()); | |
817 | ||
818 | TopLoc_Location loc1; | |
819 | Handle(Geom_Surface) surf1 = BRep_Tool::Surface(fac1, loc1); | |
47980104 | 820 | |
7fd59977 | 821 | Standard_Real first2d, last2d; |
822 | Standard_Boolean isSeam1 = ((IsUClosedSurface(surf1,edge1,loc1) || IsVClosedSurface(surf1,edge1,loc1)) && | |
67ffcad0 | 823 | BRep_Tool::IsClosed(TopoDS::Edge(edge1),fac1)); |
7fd59977 | 824 | c2d1 = BRep_Tool::CurveOnSurface(edge1, fac1, first2d, last2d); |
825 | Ori = edge1.Orientation(); | |
826 | if (fac1.Orientation() == TopAbs_REVERSED) | |
827 | Ori = TopAbs::Reverse(Ori); | |
67ffcad0 | 828 | |
7fd59977 | 829 | if (isSeam1) { |
67ffcad0 | 830 | if (!myNonmanifold) return TopoDS_Edge(); |
7fd59977 | 831 | TopoDS_Shape aTmpShape = edge1.Reversed(); //for porting |
832 | c2d11 = BRep_Tool::CurveOnSurface(TopoDS::Edge(aTmpShape), fac1, first2d, last2d); | |
833 | //if(fac1.Orientation() == TopAbs_REVERSED) // | |
834 | if(Ori == TopAbs_FORWARD) | |
835 | aBuilder.UpdateEdge(edge,c2d1,c2d11,fac1,0); | |
836 | else | |
837 | aBuilder.UpdateEdge(edge,c2d11,c2d1,fac1,0); | |
838 | } | |
839 | else aBuilder.UpdateEdge(edge,c2d1,fac1,0); | |
7fd59977 | 840 | |
67ffcad0 | 841 | if (c2d1.IsNull() && c2d11.IsNull()) continue; |
7fd59977 | 842 | |
843 | if (surf2 == surf1) { | |
67ffcad0 G |
844 | // Merge sections which are on the same face |
845 | if (!loc2.IsDifferent(loc1)) { | |
846 | Standard_Boolean uclosed = IsUClosedSurface(surf2,edge2,loc2); | |
847 | Standard_Boolean vclosed = IsVClosedSurface(surf2,edge2,loc2); | |
848 | if (uclosed || vclosed) { | |
849 | Standard_Real pf = c2d1->FirstParameter(); | |
850 | // Standard_Real pl = c2d1->LastParameter(); | |
851 | gp_Pnt2d p1n = c2d1->Value(Max(first,pf)); | |
852 | // gp_Pnt2d p2n = c2d1->Value(Min(pl,last)); | |
7fd59977 | 853 | gp_Pnt2d p21n = c2d2->Value(Max(first,c2d2->FirstParameter())); |
854 | gp_Pnt2d p22n = c2d2->Value(Min(last,c2d2->LastParameter())); | |
855 | Standard_Real aDist = Min(p1n.Distance(p21n), p1n.Distance(p22n)); | |
67ffcad0 G |
856 | Standard_Real U1, U2, V1, V2; |
857 | surf2->Bounds(U1, U2, V1, V2); | |
858 | isSeam = ((uclosed && aDist > 0.75*(fabs(U2-U1))) || | |
859 | (vclosed && aDist > 0.75*(fabs(V2-V1)))); | |
7fd59977 | 860 | if( !isSeam && BRep_Tool::IsClosed(TopoDS::Edge(edge),fac1)) continue; |
67ffcad0 G |
861 | } |
862 | } | |
7fd59977 | 863 | } |
67ffcad0 | 864 | |
7fd59977 | 865 | isResEdge = Standard_True; |
866 | if (isSeam) { | |
867 | if (Ori == TopAbs_FORWARD) | |
868 | aBuilder.UpdateEdge(edge, c2d1, c2d2, surf2, loc2, Precision::Confusion()); | |
869 | else | |
870 | aBuilder.UpdateEdge(edge, c2d2, c2d1, surf2, loc2, Precision::Confusion()); | |
871 | } | |
872 | else if (isSeam2) { | |
873 | TopAbs_Orientation InitOri = edge2.Orientation(); | |
67ffcad0 | 874 | TopAbs_Orientation SecOri = edge.Orientation(); |
7fd59977 | 875 | if (fac2.Orientation() == TopAbs_REVERSED) { |
67ffcad0 | 876 | |
7fd59977 | 877 | InitOri = TopAbs::Reverse(InitOri); |
878 | SecOri = TopAbs::Reverse(SecOri); | |
879 | } | |
880 | if(!secForward) | |
881 | InitOri = TopAbs::Reverse(InitOri); | |
67ffcad0 | 882 | |
7fd59977 | 883 | if (InitOri == TopAbs_FORWARD) |
884 | aBuilder.UpdateEdge(edge, c2d2,c2d21, surf2, loc2, Precision::Confusion()); | |
885 | else | |
886 | aBuilder.UpdateEdge(edge, c2d21,c2d2, surf2, loc2, Precision::Confusion()); | |
887 | } | |
888 | else { | |
889 | aBuilder.UpdateEdge(edge, c2d2, surf2, loc2, Precision::Confusion()); | |
890 | } | |
67ffcad0 | 891 | |
7fd59977 | 892 | } |
893 | } | |
47980104 | 894 | Standard_Real tolReached = Precision::Infinite(); |
895 | Standard_Boolean isSamePar = Standard_False; | |
2a739b6d | 896 | try |
47980104 | 897 | { |
2a739b6d | 898 | if( isResEdge) |
899 | SameParameter(edge); | |
900 | ||
901 | ||
47980104 | 902 | if( BRep_Tool::SameParameter(edge)) |
903 | { | |
904 | isSamePar = Standard_True; | |
905 | tolReached = BRep_Tool::Tolerance(edge); | |
906 | } | |
907 | } | |
2a739b6d | 908 | |
909 | catch(Standard_Failure) | |
910 | { | |
911 | isSamePar = Standard_False; | |
912 | } | |
47980104 | 913 | |
914 | ||
915 | if (firstCall && ( !isResEdge || !isSamePar || tolReached > myTolerance)) { | |
7fd59977 | 916 | Standard_Integer whichSecn = whichSec; |
917 | // Try to merge on the second section | |
47980104 | 918 | Standard_Boolean second_ok = Standard_False; |
7fd59977 | 919 | TopoDS_Edge s_edge = SameParameterEdge(edgeFirst,edgeLast,listFacesFirst,listFacesLast, |
67ffcad0 | 920 | secForward,whichSecn,Standard_False); |
47980104 | 921 | if( !s_edge.IsNull()) |
922 | { | |
923 | Standard_Real tolReached_2 = BRep_Tool::Tolerance(s_edge); | |
924 | second_ok = ( BRep_Tool::SameParameter(s_edge) && tolReached_2 < tolReached ); | |
925 | if( second_ok) | |
926 | { | |
927 | edge = s_edge; | |
928 | whichSec = whichSecn; | |
0221b126 | 929 | tolReached = tolReached_2; |
47980104 | 930 | } |
7fd59977 | 931 | } |
932 | ||
47980104 | 933 | if (!second_ok && !edge.IsNull()) { |
7fd59977 | 934 | |
935 | GeomAdaptor_Curve c3dAdapt(c3d); | |
936 | ||
937 | // Discretize edge curve | |
0221b126 | 938 | Standard_Integer i, j, nbp = 23; |
2a739b6d | 939 | Standard_Real deltaT = (last3d - first3d) / (nbp -1); |
7fd59977 | 940 | TColgp_Array1OfPnt c3dpnt(1,nbp); |
0221b126 | 941 | for (i = 1; i <= nbp; i++) |
2a739b6d | 942 | c3dpnt(i) = c3dAdapt.Value(first3d + (i-1)*deltaT); |
7fd59977 | 943 | |
0221b126 | 944 | Standard_Real dist = 0., maxTol = -1.0; |
7fd59977 | 945 | Standard_Boolean more = Standard_True; |
946 | ||
947 | for (j = 1; more; j++) { | |
948 | Handle(Geom2d_Curve) c2d2; | |
67ffcad0 | 949 | BRep_Tool::CurveOnSurface(edge, c2d2, surf2, loc2, first, last, j); |
0221b126 | 950 | |
67ffcad0 G |
951 | more = !c2d2.IsNull(); |
952 | if (more) { | |
0221b126 | 953 | Handle(Geom_Surface) aS = surf2; |
954 | if(!loc2.IsIdentity()) | |
955 | aS = Handle(Geom_Surface)::DownCast(surf2->Transformed ( loc2 )); | |
67ffcad0 | 956 | |
0221b126 | 957 | Standard_Real dist2 = 0.; |
2a739b6d | 958 | deltaT = (last - first) / (nbp - 1); |
67ffcad0 | 959 | for (i = 1; i <= nbp; i++) { |
2a739b6d | 960 | gp_Pnt2d aP2d = c2d2->Value(first + (i -1)*deltaT); |
0221b126 | 961 | gp_Pnt aP2(0.,0.,0.); |
962 | aS->D0(aP2d.X(),aP2d.Y(), aP2); | |
963 | gp_Pnt aP1 = c3dpnt(i); | |
964 | dist = aP2.SquareDistance(aP1); | |
965 | if (dist > dist2) | |
966 | dist2 = dist; | |
67ffcad0 | 967 | } |
0221b126 | 968 | maxTol = Max(sqrt(dist2), Precision::Confusion()); |
67ffcad0 | 969 | } |
7fd59977 | 970 | } |
0221b126 | 971 | if(maxTol >= 0. && maxTol < tolReached) |
972 | aBuilder.UpdateEdge(edge, maxTol); | |
7fd59977 | 973 | aBuilder.SameParameter(edge,Standard_True); |
974 | } | |
975 | } | |
976 | ||
977 | BRepLib::EncodeRegularity(edge,0.01); | |
978 | Standard_Real tolEdge1 = BRep_Tool::Tolerance(edge); | |
979 | if (tolEdge1 > MaxTolerance()) edge.Nullify(); | |
980 | return edge; | |
981 | } | |
982 | ||
983 | //======================================================================= | |
984 | // function : EvaluateAngulars | |
985 | // purpose : internal use | |
986 | //======================================================================= | |
987 | ||
988 | void BRepBuilderAPI_Sewing::EvaluateAngulars(TopTools_SequenceOfShape& sequenceSec, | |
989 | TColStd_Array1OfBoolean& secForward, | |
990 | TColStd_Array1OfReal& tabAng, | |
991 | const Standard_Integer indRef) const | |
992 | { | |
993 | tabAng.Init(-1.0); | |
994 | ||
995 | Standard_Integer i, j, npt = 4, lengSec = sequenceSec.Length(); | |
996 | ||
997 | TopoDS_Edge edge; | |
998 | TopoDS_Face face; | |
999 | TopLoc_Location loc; | |
1000 | Standard_Real first, last; | |
1001 | Handle(Geom_Curve) c3d; | |
1002 | Handle(Geom2d_Curve) c2d; | |
1003 | Handle(Geom_Surface) surf; | |
1004 | TColgp_Array1OfVec normRef(1,npt); | |
1005 | ||
1006 | for (i = indRef; i <= lengSec; i++) { | |
1007 | ||
1008 | edge = TopoDS::Edge(sequenceSec(i)); | |
1009 | ||
1010 | TopoDS_Shape bnd = edge; | |
1011 | if (mySectionBound.IsBound(bnd)) bnd = mySectionBound(bnd); | |
1012 | if (myBoundFaces.Contains(bnd)) { | |
1013 | face = TopoDS::Face(myBoundFaces.FindFromKey(bnd).First()); | |
1014 | surf = BRep_Tool::Surface(face,loc); | |
1015 | if (!loc.IsIdentity()) { | |
1016 | surf = Handle(Geom_Surface)::DownCast(surf->Copy()); | |
1017 | surf->Transform(loc.Transformation()); | |
1018 | } | |
1019 | c2d = BRep_Tool::CurveOnSurface(edge, face, first, last); | |
1020 | } | |
1021 | else if (i == indRef) return; | |
1022 | else continue; | |
1023 | ||
1024 | c3d = BRep_Tool::Curve(edge, loc, first, last); | |
1025 | if (!loc.IsIdentity()) { | |
1026 | c3d = Handle(Geom_Curve)::DownCast(c3d->Copy()); | |
1027 | c3d->Transform(loc.Transformation()); | |
1028 | } | |
1029 | ||
1030 | GeomAdaptor_Curve adapt(c3d); | |
1031 | GCPnts_UniformAbscissa uniAbs(adapt, npt, first, last); | |
1032 | ||
1033 | Standard_Real cumulateAngular = 0.0; | |
1034 | Standard_Integer nbComputedAngle = 0; | |
1035 | ||
1036 | for (j = 1; j <= npt; j++) { | |
1037 | gp_Pnt2d P; | |
1038 | c2d->D0(uniAbs.Parameter((secForward(i) || i == indRef)? j : npt-j+1),P); | |
1039 | gp_Vec w1, w2; | |
1040 | gp_Pnt unused; | |
1041 | surf->D1(P.X(), P.Y(), unused, w1, w2); | |
1042 | gp_Vec n = w1^w2; // Compute the normal vector | |
1043 | if (i == indRef) normRef(j) = n; | |
1044 | else if ((n.Magnitude()>gp::Resolution()) && (normRef(j).Magnitude()>gp::Resolution())) { | |
1045 | nbComputedAngle++; | |
1046 | Standard_Real angular = n.Angle(normRef(j)); | |
c6541a0c | 1047 | if (angular > M_PI/2.) angular = M_PI - angular; |
7fd59977 | 1048 | cumulateAngular += angular; |
1049 | } | |
1050 | } | |
1051 | ||
1052 | if (nbComputedAngle) | |
1053 | tabAng(i) = cumulateAngular/((Standard_Real)nbComputedAngle); | |
1054 | } | |
1055 | } | |
1056 | ||
1057 | //======================================================================= | |
1058 | // function : EvaluateDistances | |
1059 | // purpose : internal use | |
1060 | // Evaluate distance beetween edges with indice indRef and the following edges in the list | |
1061 | // Remarks (lengSec - indRef) must be >= 1 | |
1062 | //======================================================================= | |
7fd59977 | 1063 | void BRepBuilderAPI_Sewing::EvaluateDistances(TopTools_SequenceOfShape& sequenceSec, |
1064 | TColStd_Array1OfBoolean& secForward, | |
1065 | TColStd_Array1OfReal& tabDst, | |
1066 | TColStd_Array1OfReal& arrLen, | |
1067 | TColStd_Array1OfReal& tabMinDist, | |
1068 | const Standard_Integer indRef) const | |
1069 | { | |
1070 | secForward.Init(Standard_True); | |
1071 | tabDst.Init(-1.0); | |
1072 | arrLen.Init(0.); | |
2028d00c | 1073 | tabMinDist.Init(Precision::Infinite()); |
7fd59977 | 1074 | const Standard_Integer npt = 8; // Number of points for curve discretization |
1075 | TColgp_Array1OfPnt ptsRef(1, npt), ptsSec(1, npt); | |
1076 | ||
1077 | Standard_Integer i, j, lengSec = sequenceSec.Length(); | |
1078 | TColgp_SequenceOfPnt seqSec; | |
1079 | ||
1080 | Handle(Geom_Curve) c3dRef; | |
1081 | Standard_Real firstRef=0., lastRef=0.; | |
67ffcad0 | 1082 | |
7fd59977 | 1083 | for (i = indRef; i <= lengSec; i++) { |
1084 | ||
1085 | // reading of the edge (attention for the first one: reference) | |
1086 | const TopoDS_Edge& sec = TopoDS::Edge(sequenceSec(i)); | |
1087 | ||
1088 | TopLoc_Location loc; | |
1089 | Standard_Real first, last; | |
1090 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(sec, loc, first, last); | |
de10d8b1 | 1091 | if (c3d.IsNull()) continue; |
7fd59977 | 1092 | if (!loc.IsIdentity()) { |
1093 | c3d = Handle(Geom_Curve)::DownCast(c3d->Copy()); | |
1094 | c3d->Transform(loc.Transformation()); | |
1095 | } | |
1096 | ||
1097 | if (i == indRef) { | |
1098 | c3dRef = c3d; firstRef = first; lastRef = last; | |
1099 | } | |
1100 | ||
2028d00c | 1101 | Standard_Real dist = Precision::Infinite(), distFor = -1.0, distRev = -1.0; |
7fd59977 | 1102 | Standard_Real aMinDist = Precision::Infinite(); |
1103 | ||
1104 | Standard_Real T, deltaT = (last - first) / (npt - 1); | |
1105 | Standard_Real aLenSec2 = 0.; | |
67ffcad0 G |
1106 | |
1107 | Standard_Integer nbFound = 0; | |
7fd59977 | 1108 | for (j = 1; j <= npt; j++) { |
1109 | ||
1110 | // Uniform parameter on curve | |
1111 | if (j == 1) T = first; | |
1112 | else if (j == npt) T = last; | |
1113 | else T = first + (j - 1) * deltaT; | |
1114 | ||
1115 | // Take point on curve | |
1116 | gp_Pnt pt = c3d->Value(T); | |
2028d00c | 1117 | |
7fd59977 | 1118 | if (i == indRef) { |
1119 | ptsRef(j) = pt; | |
2028d00c G |
1120 | if(j > 1) |
1121 | aLenSec2 += pt.SquareDistance(ptsRef(j-1)); | |
7fd59977 | 1122 | } |
1123 | else { | |
1124 | ptsSec(j) = pt; | |
1125 | //protection to avoid merging with small sections | |
2028d00c | 1126 | if(j > 1) |
7fd59977 | 1127 | aLenSec2 += pt.SquareDistance(ptsSec(j-1)); |
1128 | // To evaluate mutual orientation and distance | |
1129 | dist = pt.Distance(ptsRef(j)); | |
1130 | if(aMinDist > dist) | |
1131 | aMinDist = dist; | |
1132 | if (distFor < dist) distFor = dist; | |
1133 | dist = pt.Distance(ptsRef(npt-j+1)); | |
2028d00c | 1134 | |
7fd59977 | 1135 | if(aMinDist > dist) |
1136 | aMinDist = dist; | |
1137 | if (distRev < dist) distRev = dist; | |
2028d00c G |
1138 | |
1139 | // Check that point lays between vertices of reference curve | |
1140 | const gp_Pnt &p11 = ptsRef(1); | |
1141 | const gp_Pnt &p12 = ptsRef(npt); | |
1142 | const gp_Vec aVec1(pt,p11); | |
1143 | const gp_Vec aVec2(pt,p12); | |
1144 | const gp_Vec aVecRef(p11,p12); | |
1145 | if((aVecRef * aVec1) * (aVecRef * aVec2) < 0.) | |
1146 | nbFound++; | |
7fd59977 | 1147 | } |
1148 | } | |
1149 | ||
1150 | Standard_Real aLenSec = sqrt(aLenSec2); | |
1151 | ||
1152 | //if(aLenSec < myMinTolerance ) | |
1153 | // continue; | |
1154 | arrLen.SetValue(i,aLenSec); | |
1155 | // Record mutual orientation | |
1156 | Standard_Boolean isForward = (distFor < distRev); //szv debug: <= | |
1157 | secForward(i) = isForward; | |
1158 | ||
1159 | dist = (isForward? distFor : distRev); | |
2028d00c G |
1160 | if(i == indRef || (dist < myTolerance && nbFound >= npt * 0.5) ) |
1161 | { | |
7fd59977 | 1162 | tabDst(i) = dist; |
1163 | tabMinDist(i) = aMinDist; | |
7fd59977 | 1164 | } |
2028d00c G |
1165 | else |
1166 | { | |
1167 | nbFound = 0, aMinDist = Precision::Infinite(), dist = -1; | |
1168 | TColgp_Array1OfPnt arrProj(1, npt); | |
1169 | TColStd_Array1OfReal arrDist(1, npt), arrPara(1, npt); | |
1170 | if( arrLen(indRef) >= arrLen(i)) | |
1171 | ProjectPointsOnCurve(ptsSec,c3dRef,firstRef,lastRef,arrDist,arrPara,arrProj,Standard_False); | |
1172 | else | |
1173 | ProjectPointsOnCurve(ptsRef,c3d,first,last,arrDist,arrPara,arrProj,Standard_False); | |
1174 | for( j = 1; j <= npt; j++ ) | |
1175 | { | |
2c896b8f | 1176 | if(arrDist(j) < 0.) |
2028d00c G |
1177 | continue; |
1178 | if(dist < arrDist(j)) | |
1179 | dist = arrDist(j); | |
1180 | if( aMinDist > arrDist(j)) | |
1181 | aMinDist = arrDist(j); | |
1182 | nbFound++; | |
1183 | } | |
1184 | if(nbFound > 1) | |
1185 | { | |
1186 | tabDst(i) = dist; | |
1187 | tabMinDist(i) = aMinDist; | |
1188 | } | |
7fd59977 | 1189 | } |
1190 | } | |
1191 | ||
2028d00c | 1192 | /* |
7fd59977 | 1193 | // Project distant points |
1194 | Standard_Integer nbFailed = seqSec.Length(); | |
1195 | if (!nbFailed) return; | |
1196 | ||
1197 | TColgp_Array1OfPnt arrPnt(1, nbFailed), arrProj(1, nbFailed); | |
1198 | for (i = 1; i <= nbFailed; i++) arrPnt(i) = seqSec(i); seqSec.Clear(); | |
1199 | TColStd_Array1OfReal arrDist(1, nbFailed), arrPara(1, nbFailed); | |
1200 | ||
2028d00c | 1201 | ProjectPointsOnCurve(arrPnt,c3dRef,firstRef,lastRef,arrDist,arrPara,arrProj,Standard_False); |
7fd59977 | 1202 | |
1203 | // Process distant sections | |
1204 | Standard_Integer idx1 = 1; | |
1205 | for (i = indRef + 1; i <= lengSec; i++) { | |
1206 | ||
1207 | // Skip section if already evaluated | |
1208 | if (tabDst(i) >= 0.0) continue; | |
1209 | ||
1210 | Standard_Real dist, distMax = -1.0, aMinDist = Precision::Infinite(); | |
1211 | ||
1212 | Standard_Integer idx2 = (idx1 - 1)*npt; | |
1213 | ||
1214 | for (j = 1; j <= npt; j++) { | |
1215 | ||
1216 | dist = arrDist(idx2 + j); | |
1217 | // If point is not projected - stop evaluation | |
1218 | if (dist < 0.0) { distMax = -1.0; break; } | |
1219 | if (distMax < dist) distMax = dist; | |
1220 | if(aMinDist > dist) aMinDist = dist; | |
1221 | } | |
1222 | ||
1223 | // If section is close - record distance | |
1224 | if (distMax >= 0.0) { | |
1225 | if (secForward(i)) { | |
1226 | dist = arrPnt(idx2+1).Distance(ptsRef(1)); | |
1227 | if (distMax < dist) distMax = dist; | |
1228 | if(aMinDist > dist) aMinDist = dist; | |
1229 | dist = arrPnt(idx2+npt).Distance(ptsRef(npt)); | |
1230 | if (distMax < dist) distMax = dist; | |
1231 | if(aMinDist > dist) aMinDist = dist; | |
1232 | } | |
1233 | else { | |
1234 | dist = arrPnt(idx2+1).Distance(ptsRef(npt)); | |
1235 | if (distMax < dist) distMax = dist; | |
1236 | if(aMinDist > dist) aMinDist = dist; | |
1237 | dist = arrPnt(idx2+npt).Distance(ptsRef(1)); | |
1238 | if (distMax < dist) distMax = dist; | |
1239 | if(aMinDist > dist) aMinDist = dist; | |
1240 | } | |
1241 | ||
1242 | if (distMax < myTolerance) | |
1243 | { | |
1244 | tabDst(i) = distMax; | |
1245 | tabMinDist(i) = aMinDist; | |
1246 | } | |
1247 | } | |
1248 | ||
1249 | idx1++; // To the next distant curve | |
2028d00c | 1250 | }*/ |
7fd59977 | 1251 | } |
1252 | ||
1253 | //======================================================================= | |
1254 | //function : IsMergedClosed | |
1255 | //purpose : internal use | |
1256 | //======================================================================= | |
1257 | ||
1258 | Standard_Boolean BRepBuilderAPI_Sewing::IsMergedClosed(const TopoDS_Edge& Edge1, | |
1259 | const TopoDS_Edge& Edge2, | |
1260 | const TopoDS_Face& face) const | |
1261 | { | |
1262 | // Check for closed surface | |
1263 | TopLoc_Location loc; | |
1264 | Handle(Geom_Surface) surf = BRep_Tool::Surface(face,loc); | |
1265 | Standard_Boolean isUClosed = IsUClosedSurface(surf,Edge1,loc); | |
1266 | Standard_Boolean isVClosed = IsVClosedSurface(surf,Edge1,loc); | |
1267 | if (!isUClosed && !isVClosed) return Standard_False; | |
1268 | // Check condition on closed surface | |
1269 | /* | |
1270 | Standard_Real first1,last1,first2,last2; | |
1271 | Handle(Geom_Curve) C3d1 = BRep_Tool::Curve(Edge1,first1,last1); | |
1272 | Handle(Geom_Curve) C3d2 = BRep_Tool::Curve(Edge2,first2,last2); | |
1273 | if (C3d1.IsNull() || C3d2.IsNull()) return Standard_False; | |
1274 | */ | |
1275 | Standard_Real first2d1,last2d1,first2d2,last2d2; | |
1276 | Handle(Geom2d_Curve) C2d1 = BRep_Tool::CurveOnSurface(Edge1,face,first2d1,last2d1); | |
1277 | Handle(Geom2d_Curve) C2d2 = BRep_Tool::CurveOnSurface(Edge2,face,first2d2,last2d2); | |
1278 | if (C2d1.IsNull() || C2d2.IsNull()) return Standard_False; | |
1279 | /* | |
1280 | gp_Pnt p1 = C3d1->Value(0.5*(first1 + last1)); | |
1281 | gp_Pnt p2 = C3d1->Value(0.5*(first2 + last2)); | |
1282 | Standard_Real dist = p1.Distance(p2); | |
1283 | gp_Pnt2d p12d = C2d1->Value(0.5*(first2d1 + last2d1)); | |
1284 | gp_Pnt2d p22d = C2d1->Value(0.5*(first2d2 + last2d2)); | |
1285 | Standard_Real dist2d = p12d.Distance(p22d); | |
1286 | GeomAdaptor_Surface Ads(BRep_Tool::Surface(face)); | |
1287 | Standard_Real distSurf = Max(Ads.UResolution(dist), Ads.VResolution(dist)); | |
1288 | return (dist2d*0.2 >= distSurf); | |
1289 | */ | |
1290 | Standard_Integer isULongC1, isULongC2, isVLongC1, isVLongC2; | |
1291 | Standard_Real SUmin, SUmax, SVmin, SVmax; | |
1292 | Standard_Real C1Umin, C1Vmin, C1Umax, C1Vmax; | |
1293 | Standard_Real C2Umin, C2Vmin, C2Umax, C2Vmax; | |
1294 | { //szv: Use brackets to destroy local variables | |
1295 | Bnd_Box2d B1, B2; | |
1296 | Geom2dAdaptor_Curve aC2d1(C2d1), aC2d2(C2d2); | |
1297 | BndLib_Add2dCurve::Add(aC2d1,first2d1,last2d1,Precision::PConfusion(),B1); | |
1298 | BndLib_Add2dCurve::Add(aC2d2,first2d2,last2d2,Precision::PConfusion(),B2); | |
1299 | B1.Get(C1Umin,C1Vmin,C1Umax,C1Vmax); | |
1300 | B2.Get(C2Umin,C2Vmin,C2Umax,C2Vmax); | |
1301 | Standard_Real du, dv; | |
1302 | du = (C1Umax - C1Umin); dv = (C1Vmax - C1Vmin); | |
1303 | isULongC1 = (dv <= du); isVLongC1 = (du <= dv); | |
1304 | du = (C2Umax - C2Umin); dv = (C2Vmax - C2Vmin); | |
1305 | isULongC2 = (dv <= du); isVLongC2 = (du <= dv); | |
1306 | surf->Bounds(SUmin,SUmax,SVmin,SVmax); | |
1307 | } | |
1308 | if (isUClosed && isVLongC1 && isVLongC2) { | |
1309 | // Do not merge if not overlapped by V | |
1310 | Standard_Real dist = Max((C2Vmin - C1Vmax),(C1Vmin - C2Vmax)); | |
1311 | if (dist < 0.0) { | |
1312 | Standard_Real distInner = Max((C2Umin - C1Umax),(C1Umin - C2Umax)); | |
1313 | Standard_Real distOuter = (SUmax - SUmin) - Max((C2Umax - C1Umin),(C1Umax - C2Umin)); | |
1314 | if (distOuter <= distInner) return Standard_True; | |
1315 | } | |
1316 | } | |
1317 | if (isVClosed && isULongC1 && isULongC2) { | |
1318 | // Do not merge if not overlapped by U | |
1319 | Standard_Real dist = Max((C2Umin - C1Umax),(C1Umin - C2Umax)); | |
1320 | if (dist < 0.0) { | |
1321 | Standard_Real distInner = Max((C2Vmin - C1Vmax),(C1Vmin - C2Vmax)); | |
1322 | Standard_Real distOuter = (SVmax - SVmin) - Max((C2Vmax - C1Vmin),(C1Vmax - C2Vmin)); | |
1323 | if (distOuter <= distInner) return Standard_True; | |
1324 | } | |
1325 | } | |
1326 | return Standard_False; | |
1327 | } | |
1328 | ||
1329 | //======================================================================= | |
1330 | //function : AnalysisNearestEdges | |
1331 | //purpose : | |
1332 | //======================================================================= | |
1333 | ||
1334 | void BRepBuilderAPI_Sewing::AnalysisNearestEdges(const TopTools_SequenceOfShape& sequenceSec, | |
1335 | TColStd_SequenceOfInteger& seqIndCandidate, | |
1336 | TColStd_SequenceOfInteger& seqOrientations, | |
1337 | const Standard_Boolean evalDist) | |
1338 | { | |
1339 | ||
1340 | Standard_Integer workIndex = seqIndCandidate.First(); | |
1341 | TopoDS_Shape workedge = sequenceSec.Value(workIndex); | |
1342 | TopoDS_Shape bnd = workedge; | |
1343 | TopTools_ListOfShape workfaces; | |
1344 | if (mySectionBound.IsBound(bnd)) bnd = mySectionBound(bnd); | |
1345 | if (myBoundFaces.Contains(bnd)) | |
1346 | workfaces = myBoundFaces.FindFromKey(bnd); | |
1347 | if(workfaces.IsEmpty()) return; | |
1348 | TopTools_MapOfShape mapFaces; | |
1349 | TopTools_ListIteratorOfListOfShape lIt; | |
1350 | for (lIt.Initialize(workfaces); lIt.More(); lIt.Next()) | |
1351 | mapFaces.Add(lIt.Value()); | |
1352 | TColStd_SequenceOfInteger seqNotCandidate; | |
1353 | TColStd_SequenceOfInteger seqNewForward; | |
1354 | // Separates edges belonging the same face as work edge | |
1355 | // for exception of edges belonging closed faces | |
1356 | ||
1357 | seqNotCandidate.Append(workIndex); | |
1358 | for(Standard_Integer i = 1; i<= seqIndCandidate.Length(); ) { | |
1359 | Standard_Integer index = seqIndCandidate.Value(i); | |
1360 | Standard_Boolean isRemove = Standard_False; | |
1361 | if(index == workIndex) { | |
1362 | seqIndCandidate.Remove(i); | |
1363 | seqOrientations.Remove(i); | |
1364 | isRemove = Standard_True; | |
1365 | } | |
1366 | if(!isRemove) { | |
1367 | TopoDS_Shape bnd2 = sequenceSec.Value(index); | |
1368 | if (mySectionBound.IsBound(bnd2)) bnd2 = mySectionBound(bnd2); | |
1369 | ||
1370 | if(myBoundFaces.Contains(bnd2)) { | |
1371 | const TopTools_ListOfShape& listfaces = myBoundFaces.FindFromKey(bnd2); | |
1372 | Standard_Boolean isMerged = Standard_True; | |
1373 | for (lIt.Initialize(listfaces); lIt.More() && isMerged; lIt.Next()) { | |
1374 | if(mapFaces.Contains(lIt.Value())) { | |
1375 | TopLoc_Location loc; | |
1376 | Handle(Geom_Surface) surf = BRep_Tool::Surface(TopoDS::Face(lIt.Value()),loc); | |
1377 | isMerged = ((IsUClosedSurface(surf,bnd2,loc) || IsVClosedSurface(surf,bnd2,loc)) && | |
1378 | IsMergedClosed(TopoDS::Edge(sequenceSec.Value(index)),TopoDS::Edge(workedge),TopoDS::Face(lIt.Value()))); | |
1379 | } | |
1380 | } | |
1381 | if(!isMerged) { | |
1382 | seqNotCandidate.Append(index); | |
1383 | seqIndCandidate.Remove(i); | |
1384 | seqOrientations.Remove(i); | |
1385 | isRemove = Standard_True; | |
1386 | } | |
1387 | } | |
1388 | else { | |
1389 | seqIndCandidate.Remove(i); | |
1390 | seqOrientations.Remove(i); | |
1391 | isRemove = Standard_True; | |
1392 | } | |
1393 | } | |
1394 | if(!isRemove) i++; | |
1395 | } | |
1396 | if(seqIndCandidate.Length() == 0 || seqNotCandidate.Length() == 1) return; | |
1397 | if(!evalDist) return; | |
1398 | TColStd_Array2OfReal TotTabDist(1,seqNotCandidate.Length(),1,seqIndCandidate.Length()); | |
1399 | TColStd_MapOfInteger MapIndex; | |
1400 | TColStd_SequenceOfInteger seqForward; | |
1401 | ||
1402 | // Definition and removing edges wich are not candidate for work edge | |
1403 | // ( they have other nearest edges belonging to the work face) | |
1404 | for(Standard_Integer k = 1; k<= seqNotCandidate.Length(); k++) { | |
1405 | Standard_Integer index1 = seqNotCandidate.Value(k); | |
1406 | TopoDS_Shape edge = sequenceSec.Value(index1); | |
1407 | TopTools_SequenceOfShape tmpSeq; | |
1408 | tmpSeq.Append(edge); | |
1409 | for(Standard_Integer kk = 1; kk <= seqIndCandidate.Length();kk++) | |
1410 | tmpSeq.Append(sequenceSec.Value(seqIndCandidate.Value(kk))); | |
1411 | ||
1412 | Standard_Integer lengSec = tmpSeq.Length(); | |
1413 | TColStd_Array1OfBoolean tabForward(1,lengSec); | |
1414 | TColStd_Array1OfReal tabDist(1,lengSec); | |
1415 | TColStd_Array1OfReal arrLen(1,lengSec); | |
1416 | TColStd_Array1OfReal tabMinDist(1,lengSec); | |
1417 | for (Standard_Integer i1 = 1 ; i1 <= lengSec; i1++) | |
1418 | tabDist(i1) =-1; | |
1419 | ||
1420 | EvaluateDistances(tmpSeq,tabForward, tabDist,arrLen,tabMinDist,1 ); | |
1421 | if(k == 1) { | |
1422 | for(Standard_Integer n = 1; n < lengSec; n++) { | |
1423 | if(tabDist(n+1) == -1 || tabDist(n+1) > myTolerance) { | |
1424 | MapIndex.Add(n); | |
1425 | continue; | |
1426 | } | |
1427 | TotTabDist(k,n) = tabDist(n+1 ); | |
1428 | seqForward.Append(tabForward(n+1) ? 1:0); | |
1429 | } | |
1430 | } | |
1431 | else { | |
1432 | for(Standard_Integer n = 1; n < lengSec; n++) { | |
1433 | if(tabDist(n) == -1 || tabDist(n) > myTolerance) continue; | |
1434 | if(tabDist(n+1) < TotTabDist(1,n)) { | |
1435 | MapIndex.Add(n); | |
1436 | } | |
1437 | } | |
1438 | } | |
1439 | ||
1440 | } | |
1441 | ||
1442 | Standard_Integer i2 = seqIndCandidate.Length(); | |
1443 | for( ; i2 >=1 ; i2--) | |
1444 | { | |
1445 | if(MapIndex.Contains(i2)) | |
1446 | { | |
1447 | seqIndCandidate.Remove(i2); | |
1448 | seqOrientations.Remove(i2); | |
1449 | } | |
1450 | ||
1451 | } | |
1452 | //for(TColStd_MapIteratorOfMapOfInteger IMap(MapIndex); IMap.More(); IMap.Next()) { | |
1453 | // seqIndCandidate.Remove(IMap.Key()); | |
1454 | // seqOrientations.Remove(IMap.Key()); | |
1455 | //} | |
1456 | } | |
1457 | ||
1458 | //======================================================================= | |
1459 | //function : FindCandidates | |
1460 | //purpose : internal use | |
1461 | //======================================================================= | |
1462 | ||
1463 | Standard_Boolean BRepBuilderAPI_Sewing::FindCandidates(TopTools_SequenceOfShape& seqSections, | |
1464 | TColStd_IndexedMapOfInteger& mapReference, | |
1465 | TColStd_SequenceOfInteger& seqCandidates, | |
1466 | TColStd_SequenceOfInteger& seqOrientations) | |
1467 | { | |
1468 | Standard_Integer i, nbSections = seqSections.Length(); | |
1469 | if(nbSections <= 1) | |
1470 | return Standard_False; | |
1471 | // Retrieve last reference index | |
1472 | Standard_Integer indReference = mapReference(mapReference.Extent()); | |
1473 | Standard_Integer nbCandidates = 0; | |
1474 | TopTools_MapOfShape Faces1; | |
1475 | //if (nbSections > 1) { | |
1476 | ||
1477 | TopoDS_Edge Edge1 = TopoDS::Edge(seqSections(indReference)); | |
1478 | ||
1479 | // Retrieve faces for reference section | |
1480 | ||
1481 | { //szv: Use brackets to destroy local variables | |
1482 | TopoDS_Shape bnd = Edge1; | |
1483 | if (mySectionBound.IsBound(bnd)) bnd = mySectionBound(bnd); | |
1484 | if (myBoundFaces.Contains(bnd)) { | |
1485 | TopTools_ListIteratorOfListOfShape itf1(myBoundFaces.FindFromKey(bnd)); | |
1486 | for (; itf1.More(); itf1.Next()) Faces1.Add(itf1.Value()); | |
1487 | } | |
1488 | } | |
1489 | ||
1490 | // Check merging conditions for candidates and remove unsatisfactory | |
1491 | TopTools_SequenceOfShape seqSectionsNew; | |
1492 | TColStd_SequenceOfInteger seqCandidatesNew; | |
1493 | for (i = 1; i <= nbSections; i++) { | |
1494 | if (i == indReference) { | |
1495 | seqSectionsNew.Prepend(Edge1); | |
1496 | seqCandidatesNew.Prepend(i); | |
1497 | } | |
1498 | else { | |
1499 | const TopoDS_Edge& Edge2 = TopoDS::Edge(seqSections(i)); | |
7fd59977 | 1500 | seqSectionsNew.Append(Edge2); |
1501 | seqCandidatesNew.Append(i); | |
7fd59977 | 1502 | } |
1503 | } | |
1504 | ||
1505 | Standard_Integer nbSectionsNew = seqSectionsNew.Length(); | |
1506 | if (nbSectionsNew > 1) { | |
5a29f57e | 1507 | |
7fd59977 | 1508 | // Evaluate distances between reference and other sections |
1509 | TColStd_Array1OfBoolean arrForward(1,nbSectionsNew); | |
1510 | TColStd_Array1OfReal arrDistance(1,nbSectionsNew); | |
1511 | TColStd_Array1OfReal arrLen(1,nbSectionsNew); | |
1512 | TColStd_Array1OfReal arrMinDist(1,nbSectionsNew); | |
1513 | EvaluateDistances(seqSectionsNew,arrForward,arrDistance,arrLen,arrMinDist,1); | |
5a29f57e | 1514 | |
7fd59977 | 1515 | // Fill sequence of candidate indices sorted by distance |
1516 | for (i = 2; i <= nbSectionsNew; i++) { | |
5a29f57e | 1517 | Standard_Real aMaxDist = arrDistance(i); |
1518 | if (aMaxDist >= 0.0 && aMaxDist <= myTolerance && arrLen(i) > myMinTolerance) { | |
1519 | ||
7fd59977 | 1520 | // Reference section is connected to section #i |
1521 | Standard_Boolean isInserted = Standard_False; | |
1522 | Standard_Integer j, ori = (arrForward(i)? 1 : 0); | |
1523 | for (j = 1; (j <= seqCandidates.Length()) && !isInserted; j++) { | |
7fd59977 | 1524 | Standard_Real aDelta = arrDistance(i) - arrDistance(seqCandidates.Value(j)); |
5a29f57e | 1525 | |
7fd59977 | 1526 | if( aDelta < Precision::Confusion()) { |
1527 | ||
1528 | if(fabs(aDelta) > RealSmall() || | |
1529 | arrMinDist(i) < arrMinDist(seqCandidates.Value(j))) | |
1530 | { | |
1531 | seqCandidates.InsertBefore(j,i); | |
1532 | seqOrientations.InsertBefore(j,ori); | |
1533 | isInserted = Standard_True; | |
1534 | } | |
1535 | } | |
1536 | } | |
1537 | if (!isInserted) { | |
1538 | seqCandidates.Append(i); | |
1539 | seqOrientations.Append(ori); | |
1540 | } | |
1541 | } | |
1542 | } | |
5a29f57e | 1543 | |
7fd59977 | 1544 | nbCandidates = seqCandidates.Length(); |
5a29f57e | 1545 | if (!nbCandidates) |
1546 | return Standard_False; // Section has no candidates to merge | |
1547 | ||
1548 | // Replace candidate indices | |
1549 | ||
7fd59977 | 1550 | for (i = 1; i <= nbCandidates; i++) |
1551 | seqCandidates(i) = seqCandidatesNew(seqCandidates(i)); | |
5a29f57e | 1552 | |
7fd59977 | 1553 | } |
5a29f57e | 1554 | |
7fd59977 | 1555 | if (!nbCandidates) return Standard_False; // Section has no candidates to merge |
1556 | ||
1557 | if (myNonmanifold && nbCandidates >1) { | |
1558 | TColStd_SequenceOfInteger seqNewCandidates; | |
1559 | TColStd_SequenceOfInteger seqOrientationsNew; | |
1560 | seqCandidates.Prepend(1); | |
1561 | seqOrientations.Prepend(1); | |
1562 | for(Standard_Integer k = 1; k <= seqSections.Length() && seqCandidates.Length() > 1 ; k++) { | |
1563 | AnalysisNearestEdges(seqSections,seqCandidates,seqOrientations,(k==1)); | |
1564 | if(k == 1 && !seqCandidates.Length()) return Standard_False; | |
1565 | if(seqCandidates.Length()) { | |
1566 | seqNewCandidates.Append(seqCandidates.First()); | |
1567 | seqOrientationsNew.Append(seqOrientations.First()); | |
1568 | } | |
1569 | } | |
1570 | seqCandidates.Prepend(seqNewCandidates); | |
1571 | seqOrientations.Prepend(seqOrientationsNew); | |
1572 | return Standard_True; | |
1573 | } | |
1574 | else { | |
1575 | ||
1576 | // For manifold case leave only one candidate from equidistant candidates | |
1577 | /*Standard_Integer minIndex = seqCandidateIndex.First(); | |
1578 | Standard_Real minDistance = arrDistance(minIndex); | |
1579 | ||
1580 | // Find equidistant candidates | |
1581 | TColStd_SequenceOfInteger seqEqDistantIndex; seqEqDistantIndex.Append(1); | |
1582 | for (i = 2; i <= nbCandidates; i++) { | |
1583 | Standard_Integer index = seqCandidateIndex(i); | |
1584 | if (Abs(minDistance - arrDistance(index)) <= Precision::Confusion()) | |
1585 | seqEqDistantIndex.Append(index); | |
1586 | } | |
1587 | ||
1588 | Standard_Integer eqLen = seqEqDistantIndex.Length(); | |
1589 | if (eqLen > 2) { | |
1590 | ||
1591 | // Fill map of faces which equidistant sections belong to | |
1592 | TopTools_MapOfShape mapFace; | |
1593 | for (i = 1; i <= eqLen; i++) { | |
1594 | Standard_Integer index = seqEqDistantIndex.Value(i); | |
1595 | if (isCandidate(index)) { | |
1596 | mapFace.Add(arrFace(index)); | |
1597 | } | |
1598 | } | |
1599 | ||
1600 | // Non Manifold case | |
1601 | // Edges are merged by pair among a face continuity C1 criterion | |
1602 | if (mapFace.Extent() == eqLen) { | |
1603 | ||
1604 | tabDist.Init(-1); | |
1605 | tabMinInd.Init(-1); | |
1606 | min=10000000.; | |
1607 | //indMin = -1; | |
1608 | Standard_Integer indMin = -1;// To check if the edge can be merged. | |
1609 | // Computation of distances between the edges. | |
1610 | TopTools_SequenceOfShape seqSh; | |
1611 | Standard_Integer nbInd = EqDistSeq.Length(); | |
1612 | TColStd_Array1OfBoolean tmptabForward(1,nbInd); | |
1613 | seqSh.Append(sequenceSec.Value(1)); | |
1614 | for (j = 2; j <= EqDistSeq.Length(); j++) { | |
1615 | Standard_Integer index = EqDistSeq.Value(j); | |
1616 | tmptabForward(j) = tabForward(index); | |
1617 | seqSh.Append(sequenceSec.Value(index)); | |
1618 | } | |
1619 | ||
1620 | EvaluateAngulars(seqSh, tmptabForward, tabDist,1); | |
1621 | ||
1622 | for(j=2; j <= seqSh.Length(); j++) { | |
1623 | if (tabDist(j) > -1.) { // if edge(j) is connected to edge(i) | |
1624 | if (min > tabDist(j)) { | |
1625 | min = tabDist(j); | |
1626 | indMin = j; | |
1627 | } | |
1628 | } | |
1629 | } | |
1630 | ||
1631 | // Construct minDist, tabMinInd , tabMinForward(i) = tabForward(j); | |
1632 | if (indMin > 0) { | |
1633 | seqSh.Remove(indMin); | |
1634 | for(j =2; j <= tmpSeq.Length(); ) { | |
1635 | TopoDS_Shape sh = tmpSeq.Value(j); | |
1636 | Standard_Boolean isRem = Standard_False; | |
1637 | for(Standard_Integer k = 1; k<= seqSh.Length();k++) { | |
1638 | if(seqSh.Value(k) == sh) { | |
1639 | isRem = Standard_True; | |
1640 | break; | |
1641 | } | |
1642 | } | |
1643 | if(isRem) { | |
1644 | tmpSeq.Remove(j); | |
1645 | tabMinForward.Remove(j); // = -1; | |
1646 | } | |
1647 | else j++; | |
1648 | } | |
1649 | } | |
1650 | } | |
1651 | }*/ | |
1652 | ||
1653 | // Find the best approved candidate | |
1654 | while (nbCandidates) { | |
1655 | // Retrieve first candidate | |
1656 | Standard_Integer indCandidate = seqCandidates.First(); | |
1657 | // Candidate is approved if it is in the map | |
1658 | if (mapReference.Contains(indCandidate)) break; | |
1659 | // Find candidates for candidate #indCandidate | |
1660 | mapReference.Add(indCandidate); // Push candidate in the map | |
1661 | TColStd_SequenceOfInteger seqCandidates1, seqOrientations1; | |
1662 | Standard_Boolean isFound = | |
1663 | FindCandidates(seqSections,mapReference,seqCandidates1,seqOrientations1); | |
1664 | mapReference.RemoveLast(); // Pop candidate from the map | |
1665 | if (isFound) isFound = (seqCandidates1.Length() > 0); | |
1666 | if (isFound) { | |
1667 | Standard_Integer indCandidate1 = seqCandidates1.First(); | |
1668 | // If indReference is the best candidate for indCandidate | |
1669 | // then indCandidate is the best candidate for indReference | |
1670 | if (indCandidate1 == indReference) break; | |
1671 | // If some other reference in the map is the best candidate for indCandidate | |
1672 | // then assume that reference is the best candidate for indReference | |
1673 | if (mapReference.Contains(indCandidate1)) { | |
1674 | seqCandidates.Prepend(indCandidate1); | |
1675 | nbCandidates++; | |
1676 | break; | |
1677 | } | |
1678 | isFound = Standard_False; | |
1679 | } | |
1680 | if (!isFound) { | |
1681 | // Remove candidate #1 | |
1682 | seqCandidates.Remove(1); | |
1683 | seqOrientations.Remove(1); | |
1684 | nbCandidates--; | |
1685 | } | |
1686 | } | |
1687 | } | |
1688 | //gka | |
1689 | if(nbCandidates > 0) | |
1690 | { | |
1691 | Standard_Integer anInd = seqCandidates.Value(1); | |
1692 | TopoDS_Edge Edge2 = TopoDS::Edge(seqSections(anInd)); | |
1693 | TopoDS_Shape bnd = Edge2; | |
1694 | if (mySectionBound.IsBound(bnd)) | |
1695 | bnd = mySectionBound(bnd); | |
1696 | //gka | |
1697 | if (myBoundFaces.Contains(bnd)) { | |
1698 | Standard_Boolean isOK = Standard_True; | |
1699 | TopTools_ListIteratorOfListOfShape itf2(myBoundFaces.FindFromKey(bnd)); | |
1700 | for (; itf2.More() && isOK; itf2.Next()) { | |
1701 | const TopoDS_Face& Face2 = TopoDS::Face(itf2.Value()); | |
1702 | // Check whether condition is satisfied | |
1703 | isOK = !Faces1.Contains(Face2); | |
1704 | if (!isOK) isOK = IsMergedClosed(Edge1,Edge2,Face2); | |
1705 | } | |
1706 | if(!isOK) | |
1707 | return Standard_False; | |
1708 | } | |
1709 | } | |
1710 | return (nbCandidates > 0); | |
1711 | } | |
1712 | ||
1713 | //======================================================================= | |
1714 | //function : Constructor | |
1715 | //purpose : | |
1716 | //======================================================================= | |
1717 | ||
1718 | BRepBuilderAPI_Sewing::BRepBuilderAPI_Sewing(const Standard_Real tolerance, | |
1719 | const Standard_Boolean optionSewing, | |
1720 | const Standard_Boolean optionAnalysis, | |
1721 | const Standard_Boolean optionCutting, | |
1722 | const Standard_Boolean optionNonmanifold) | |
1723 | { | |
1724 | myReShape = new BRepTools_ReShape; | |
1725 | Init(tolerance, optionSewing, optionAnalysis, optionCutting, optionNonmanifold); | |
1726 | } | |
1727 | ||
1728 | //======================================================================= | |
1729 | //function : Init | |
1730 | //purpose : Initialise Talerance, and options sewing, faceAnalysis and cutting | |
1731 | //======================================================================= | |
1732 | ||
1733 | void BRepBuilderAPI_Sewing::Init(const Standard_Real tolerance, | |
1734 | const Standard_Boolean optionSewing, | |
1735 | const Standard_Boolean optionAnalysis, | |
1736 | const Standard_Boolean optionCutting, | |
1737 | const Standard_Boolean optionNonmanifold) | |
1738 | { | |
1739 | // Set tolerance and Perform options | |
eb7c351a | 1740 | myTolerance = Max (tolerance, Precision::Confusion()); |
7fd59977 | 1741 | mySewing = optionSewing; |
1742 | myAnalysis = optionAnalysis; | |
1743 | myCutting = optionCutting; | |
1744 | myNonmanifold = optionNonmanifold; | |
1745 | // Set min and max tolerances | |
eb7c351a | 1746 | myMinTolerance = myTolerance * 1e-4; //szv: proposal |
7fd59977 | 1747 | if (myMinTolerance < Precision::Confusion()) myMinTolerance = Precision::Confusion(); |
1748 | myMaxTolerance = Precision::Infinite(); | |
1749 | // Set other modes | |
1750 | myFaceMode = Standard_True; | |
1751 | myFloatingEdgesMode = Standard_False; | |
1752 | //myCuttingFloatingEdgesMode = Standard_False; //gka | |
1753 | mySameParameterMode = Standard_True; | |
1754 | myLocalToleranceMode = Standard_False; | |
1755 | mySewedShape.Nullify(); | |
1756 | // Load empty shape | |
1757 | Load(TopoDS_Shape()); | |
1758 | } | |
1759 | ||
1760 | //======================================================================= | |
1761 | //function : Load | |
1762 | //purpose : Loads the context shape | |
1763 | //======================================================================= | |
1764 | ||
1765 | void BRepBuilderAPI_Sewing::Load(const TopoDS_Shape& theShape) | |
1766 | { | |
1767 | myReShape->Clear(); | |
1768 | if (theShape.IsNull()) myShape.Nullify(); | |
1769 | else myShape = myReShape->Apply(theShape); | |
1770 | mySewedShape.Nullify(); | |
1771 | // Nullify flags and counters | |
1772 | myNbShapes = myNbEdges = myNbVertices = 0; | |
1773 | // Clear all maps | |
1774 | myOldShapes.Clear(); | |
1775 | //myOldFaces.Clear(); | |
1776 | myDegenerated.Clear(); | |
1777 | myFreeEdges.Clear(); | |
1778 | myMultipleEdges.Clear(); | |
1779 | myContigousEdges.Clear(); | |
1780 | myContigSecBound.Clear(); | |
1781 | myBoundFaces.Clear(); | |
1782 | myBoundSections.Clear(); | |
1783 | myVertexNode.Clear(); | |
1784 | myVertexNodeFree.Clear(); | |
1785 | myNodeSections.Clear(); | |
1786 | myCuttingNode.Clear(); | |
1787 | mySectionBound.Clear(); | |
1788 | myLittleFace.Clear(); | |
1789 | } | |
1790 | ||
1791 | //======================================================================= | |
1792 | //function : Add | |
1793 | //purpose : | |
1794 | //======================================================================= | |
1795 | ||
1796 | void BRepBuilderAPI_Sewing::Add(const TopoDS_Shape& aShape) | |
1797 | { | |
1798 | if (aShape.IsNull()) return; | |
1799 | TopoDS_Shape oShape = myReShape->Apply(aShape); | |
1800 | myOldShapes.Add(aShape,oShape); | |
1801 | myNbShapes = myOldShapes.Extent(); | |
1802 | } | |
1803 | ||
1804 | //======================================================================= | |
1805 | //function : Perform | |
1806 | //purpose : | |
1807 | //======================================================================= | |
1808 | ||
0797d9d3 | 1809 | #ifdef OCCT_DEBUG |
7fd59977 | 1810 | #include <OSD_Timer.hxx> |
1811 | #endif | |
1812 | ||
92434a36 | 1813 | void BRepBuilderAPI_Sewing::Perform(const Handle(Message_ProgressIndicator)& thePI) |
7fd59977 | 1814 | { |
92434a36 A |
1815 | const Standard_Integer aNumberOfStages = myAnalysis + myCutting + mySewing + 2; |
1816 | Message_ProgressSentry aPS (thePI, "Sewing", 0, aNumberOfStages, 1); | |
0797d9d3 | 1817 | #ifdef OCCT_DEBUG |
7fd59977 | 1818 | Standard_Real t_total = 0., t_analysis = 0., t_assembling = 0., t_cutting = 0., t_merging = 0.; |
1819 | OSD_Chronometer chr_total, chr_local; | |
1820 | chr_total.Reset(); | |
1821 | chr_total.Start(); | |
1822 | #endif | |
1823 | ||
1824 | // face analysis | |
92434a36 A |
1825 | if (myAnalysis) |
1826 | { | |
0797d9d3 | 1827 | #ifdef OCCT_DEBUG |
7fd59977 | 1828 | cout << "Begin face analysis..." << endl; |
1829 | chr_local.Reset(); | |
1830 | chr_local.Start(); | |
1831 | #endif | |
92434a36 A |
1832 | FaceAnalysis (thePI); |
1833 | if (!aPS.More()) | |
1834 | return; | |
1835 | aPS.Next(); | |
0797d9d3 | 1836 | #ifdef OCCT_DEBUG |
7fd59977 | 1837 | chr_local.Stop(); |
1838 | chr_local.Show(t_analysis); | |
1839 | cout << "Face analysis finished after " << t_analysis << " s" << endl; | |
1840 | #endif | |
1841 | } | |
1842 | ||
92434a36 A |
1843 | if (myNbShapes || !myShape.IsNull()) |
1844 | { | |
7fd59977 | 1845 | |
1846 | FindFreeBoundaries(); | |
1847 | ||
92434a36 A |
1848 | if (myBoundFaces.Extent()) |
1849 | { | |
7fd59977 | 1850 | |
0797d9d3 | 1851 | #ifdef OCCT_DEBUG |
7fd59977 | 1852 | cout << "Begin vertices assembling..." << endl; |
1853 | chr_local.Reset(); | |
1854 | chr_local.Start(); | |
1855 | #endif | |
92434a36 A |
1856 | VerticesAssembling (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_assembling); | |
1863 | cout << "Vertices assembling finished after " << t_assembling << " s" << endl; | |
1864 | #endif | |
92434a36 A |
1865 | if (myCutting) |
1866 | { | |
0797d9d3 | 1867 | #ifdef OCCT_DEBUG |
92434a36 A |
1868 | cout << "Begin cutting..." << endl; |
1869 | chr_local.Reset(); | |
1870 | chr_local.Start(); | |
7fd59977 | 1871 | #endif |
92434a36 A |
1872 | Cutting (thePI); |
1873 | if (!aPS.More()) | |
1874 | return; | |
1875 | aPS.Next(); | |
0797d9d3 | 1876 | #ifdef OCCT_DEBUG |
92434a36 A |
1877 | chr_local.Stop(); |
1878 | chr_local.Show(t_cutting); | |
1879 | cout << "Cutting finished after " << t_cutting << " s" << endl; | |
7fd59977 | 1880 | #endif |
1881 | } | |
0797d9d3 | 1882 | #ifdef OCCT_DEBUG |
7fd59977 | 1883 | cout << "Begin merging..." << endl; |
1884 | chr_local.Reset(); | |
1885 | chr_local.Start(); | |
1886 | #endif | |
92434a36 A |
1887 | Merging (Standard_True, thePI); |
1888 | if (!aPS.More()) | |
1889 | return; | |
1890 | aPS.Next(); | |
0797d9d3 | 1891 | #ifdef OCCT_DEBUG |
7fd59977 | 1892 | chr_local.Stop(); |
1893 | chr_local.Show(t_merging); | |
1894 | cout << "Merging finished after " << t_merging << " s" << endl; | |
1895 | #endif | |
1896 | } | |
92434a36 A |
1897 | else |
1898 | { | |
1899 | aPS.Next( 1, Handle(TCollection_HAsciiString)()); | |
1900 | if (myCutting) | |
1901 | aPS.Next( 1, Handle(TCollection_HAsciiString)()); | |
1902 | aPS.Next( 1, Handle(TCollection_HAsciiString)()); | |
1903 | if (!aPS.More()) | |
1904 | return; | |
1905 | } | |
7fd59977 | 1906 | |
92434a36 A |
1907 | if (mySewing) |
1908 | { | |
7fd59977 | 1909 | |
0797d9d3 | 1910 | #ifdef OCCT_DEBUG |
7fd59977 | 1911 | cout << "Creating sewed shape..." << endl; |
1912 | #endif | |
1913 | // examine the multiple edges if any and process sameparameter for edges if necessary | |
92434a36 A |
1914 | EdgeProcessing (thePI); |
1915 | if (!aPS.More()) | |
1916 | return; | |
7fd59977 | 1917 | CreateSewedShape(); |
92434a36 A |
1918 | if (!aPS.More()) |
1919 | { | |
1920 | mySewedShape.Nullify(); | |
1921 | return; | |
1922 | } | |
1923 | if (mySameParameterMode && myFaceMode) | |
1924 | SameParameterShape(); | |
1925 | if (!aPS.More()) | |
1926 | { | |
1927 | mySewedShape.Nullify(); | |
1928 | return; | |
1929 | } | |
0797d9d3 | 1930 | #ifdef OCCT_DEBUG |
7fd59977 | 1931 | cout << "Sewed shape created" << endl; |
1932 | #endif | |
1933 | } | |
92434a36 | 1934 | |
7fd59977 | 1935 | // create edge informations for output |
1936 | CreateOutputInformations(); | |
92434a36 A |
1937 | if (!aPS.More()) |
1938 | { | |
1939 | mySewedShape.Nullify(); | |
1940 | return; | |
1941 | } | |
7fd59977 | 1942 | } |
0797d9d3 | 1943 | #ifdef OCCT_DEBUG |
7fd59977 | 1944 | chr_total.Stop(); |
1945 | chr_total.Show(t_total); | |
1946 | cout << "Sewing finished!" << endl; | |
1947 | cout << " analysis time : " << t_analysis << " s" << endl; | |
1948 | cout << " assembling time : " << t_assembling << " s" << endl; | |
1949 | cout << " cutting time : " << t_cutting << " s" << endl; | |
1950 | cout << " merging time : " << t_merging << " s" << endl; | |
1951 | cout << "Total time : " << t_total << " s" << endl; | |
1952 | #endif | |
1953 | } | |
1954 | ||
1955 | //======================================================================= | |
1956 | //function : SewedShape | |
1957 | //purpose : give the sewed shape | |
1958 | // if a null shape, reasons: | |
1959 | // -- no useable input shapes : all input shapes are degenerated | |
1960 | // -- has multiple edges | |
1961 | //======================================================================= | |
1962 | ||
1963 | const TopoDS_Shape& BRepBuilderAPI_Sewing::SewedShape() const | |
1964 | { | |
1965 | return mySewedShape; | |
1966 | } | |
1967 | ||
1968 | //======================================================================= | |
1969 | //function : NbFreeEdges | |
1970 | //purpose : | |
1971 | //======================================================================= | |
1972 | ||
1973 | Standard_Integer BRepBuilderAPI_Sewing::NbFreeEdges() const | |
1974 | { | |
1975 | return myFreeEdges.Extent(); | |
1976 | } | |
1977 | ||
1978 | //======================================================================= | |
1979 | //function : FreeEdge | |
1980 | //purpose : | |
1981 | //======================================================================= | |
1982 | ||
1983 | const TopoDS_Edge& BRepBuilderAPI_Sewing::FreeEdge(const Standard_Integer index) const | |
1984 | { | |
1985 | Standard_OutOfRange_Raise_if(index < 0 || index > NbFreeEdges(), "BRepBuilderAPI_Sewing::FreeEdge"); | |
1986 | return TopoDS::Edge(myFreeEdges(index)); | |
1987 | } | |
1988 | ||
1989 | //======================================================================= | |
1990 | //function : NbMultipleEdges | |
1991 | //purpose : | |
1992 | //======================================================================= | |
1993 | ||
1994 | Standard_Integer BRepBuilderAPI_Sewing::NbMultipleEdges() const | |
1995 | { | |
1996 | return myMultipleEdges.Extent(); | |
1997 | } | |
1998 | ||
1999 | //======================================================================= | |
2000 | //function : MultipleEdge | |
2001 | //purpose : | |
2002 | //======================================================================= | |
2003 | ||
2004 | const TopoDS_Edge& BRepBuilderAPI_Sewing::MultipleEdge(const Standard_Integer index) const | |
2005 | { | |
2006 | Standard_OutOfRange_Raise_if(index < 0 || index > NbMultipleEdges(), "BRepBuilderAPI_Sewing::MultipleEdge"); | |
2007 | return TopoDS::Edge(myMultipleEdges(index)); | |
2008 | } | |
2009 | ||
2010 | //======================================================================= | |
2011 | //function : NbContigousEdges | |
2012 | //purpose : | |
2013 | //======================================================================= | |
2014 | ||
2015 | Standard_Integer BRepBuilderAPI_Sewing::NbContigousEdges() const | |
2016 | { | |
2017 | return myContigousEdges.Extent(); | |
2018 | } | |
2019 | ||
2020 | //======================================================================= | |
2021 | //function : ContigousEdge | |
2022 | //purpose : | |
2023 | //======================================================================= | |
2024 | ||
2025 | const TopoDS_Edge& BRepBuilderAPI_Sewing::ContigousEdge(const Standard_Integer index) const | |
2026 | { | |
2027 | Standard_OutOfRange_Raise_if(index < 0 || index > NbContigousEdges(), "BRepBuilderAPI_Sewing::ContigousEdge"); | |
2028 | return TopoDS::Edge(myContigousEdges.FindKey(index)); | |
2029 | } | |
2030 | ||
2031 | //======================================================================= | |
2032 | //function : ContigousEdgeCouple | |
2033 | //purpose : | |
2034 | //======================================================================= | |
2035 | ||
2036 | const TopTools_ListOfShape& BRepBuilderAPI_Sewing::ContigousEdgeCouple(const Standard_Integer index) const | |
2037 | { | |
2038 | Standard_OutOfRange_Raise_if(index < 0 || index > NbContigousEdges(), "BRepBuilderAPI_Sewing::ContigousEdgeCouple"); | |
2039 | return myContigousEdges(index); | |
2040 | } | |
2041 | ||
2042 | //======================================================================= | |
2043 | //function : IsSectionBound | |
2044 | //purpose : | |
2045 | //======================================================================= | |
2046 | ||
2047 | Standard_Boolean BRepBuilderAPI_Sewing::IsSectionBound(const TopoDS_Edge& section) const | |
2048 | { | |
2049 | if(myContigSecBound.IsBound(section)) { | |
2050 | return Standard_True; | |
2051 | } | |
2052 | else { | |
2053 | return Standard_False; | |
2054 | } | |
2055 | } | |
2056 | ||
2057 | //======================================================================= | |
2058 | //function : SectionToBoundary | |
2059 | //purpose : | |
2060 | //======================================================================= | |
2061 | ||
2062 | const TopoDS_Edge& BRepBuilderAPI_Sewing::SectionToBoundary(const TopoDS_Edge& section) const | |
2063 | { | |
2064 | Standard_NoSuchObject_Raise_if(!IsSectionBound(section), "BRepBuilderAPI_Sewing::SectionToBoundary"); | |
2065 | return TopoDS::Edge(myContigSecBound(section)); | |
2066 | } | |
2067 | //======================================================================= | |
2068 | //function : NbDeletedFaces | |
2069 | //purpose : | |
2070 | //======================================================================= | |
2071 | Standard_Integer BRepBuilderAPI_Sewing::NbDeletedFaces() const | |
2072 | { | |
2073 | return myLittleFace.Extent(); | |
2074 | } | |
2075 | ||
2076 | //======================================================================= | |
2077 | //function : DeletedFace | |
2078 | //purpose : | |
2079 | //======================================================================= | |
2080 | const TopoDS_Face& BRepBuilderAPI_Sewing::DeletedFace(const Standard_Integer index) const | |
2081 | { | |
2082 | Standard_OutOfRange_Raise_if(index < 0 || index > NbDeletedFaces(), "BRepBuilderAPI_Sewing::DeletedFace"); | |
2083 | return TopoDS::Face(myLittleFace(index)); | |
2084 | } | |
2085 | ||
2086 | //======================================================================= | |
2087 | //function : NbDegeneratedShapes | |
2088 | //purpose : | |
2089 | //======================================================================= | |
2090 | ||
2091 | Standard_Integer BRepBuilderAPI_Sewing::NbDegeneratedShapes() const | |
2092 | { | |
2093 | return myDegenerated.Extent(); | |
2094 | } | |
2095 | ||
2096 | //======================================================================= | |
2097 | //function : DegeneratedShape | |
2098 | //purpose : | |
2099 | //======================================================================= | |
2100 | ||
2101 | const TopoDS_Shape& BRepBuilderAPI_Sewing::DegeneratedShape(const Standard_Integer index) const | |
2102 | { | |
2103 | Standard_OutOfRange_Raise_if(index < 0 || index > NbDegeneratedShapes(), "BRepBuilderAPI_Sewing::DegereratedShape"); | |
2104 | return myDegenerated(index); | |
2105 | } | |
2106 | ||
2107 | //======================================================================= | |
2108 | //function : IsDegenerated | |
2109 | //purpose : | |
2110 | //======================================================================= | |
2111 | ||
2112 | Standard_Boolean BRepBuilderAPI_Sewing::IsDegenerated(const TopoDS_Shape& aShape) const | |
2113 | { | |
2114 | TopoDS_Shape NewShape = myReShape->Apply(aShape); | |
2115 | // Degenerated face | |
2116 | if (aShape.ShapeType() == TopAbs_FACE) | |
2117 | return NewShape.IsNull(); | |
2118 | if (NewShape.IsNull()) return Standard_False; | |
2119 | // Degenerated edge | |
2120 | if (NewShape.ShapeType() == TopAbs_EDGE) | |
2121 | return BRep_Tool::Degenerated(TopoDS::Edge(NewShape)); | |
2122 | // Degenerated wire | |
2123 | if (NewShape.ShapeType() == TopAbs_WIRE) { | |
2124 | Standard_Boolean isDegenerated = Standard_True; | |
2125 | for (TopoDS_Iterator aIt(NewShape); aIt.More() && isDegenerated; aIt.Next()) | |
2126 | isDegenerated = BRep_Tool::Degenerated(TopoDS::Edge(aIt.Value())); | |
2127 | return isDegenerated; | |
2128 | } | |
2129 | return Standard_False; | |
2130 | } | |
2131 | ||
2132 | //======================================================================= | |
2133 | //function : IsModified | |
2134 | //purpose : | |
2135 | //======================================================================= | |
2136 | ||
2137 | Standard_Boolean BRepBuilderAPI_Sewing::IsModified(const TopoDS_Shape& aShape) const | |
2138 | { | |
2139 | TopoDS_Shape NewShape = aShape; | |
2140 | if (myOldShapes.Contains(aShape)) | |
2141 | NewShape = myOldShapes.FindFromKey(aShape); | |
2142 | if(!NewShape.IsSame(aShape)) return Standard_True; | |
2143 | return Standard_False; | |
2144 | } | |
2145 | ||
2146 | //======================================================================= | |
2147 | //function : Modified | |
2148 | //purpose : | |
2149 | //======================================================================= | |
2150 | ||
2151 | const TopoDS_Shape& BRepBuilderAPI_Sewing::Modified(const TopoDS_Shape& aShape) const | |
2152 | { | |
2153 | if (myOldShapes.Contains(aShape)) return myOldShapes.FindFromKey(aShape); | |
2154 | //if (myOldFaces.Contains(aShape)) return myOldFaces.FindFromKey(aShape); | |
2155 | return aShape; | |
2156 | } | |
2157 | ||
2158 | //======================================================================= | |
2159 | //function : IsModifiedSubShape | |
2160 | //purpose : | |
2161 | //======================================================================= | |
2162 | ||
2163 | Standard_Boolean BRepBuilderAPI_Sewing::IsModifiedSubShape(const TopoDS_Shape& aShape) const | |
2164 | { | |
2165 | TopoDS_Shape NewShape = myReShape->Apply(aShape); | |
2166 | if(!NewShape.IsSame(aShape)) return Standard_True; | |
2167 | return Standard_False; | |
2168 | } | |
2169 | ||
2170 | //======================================================================= | |
2171 | //function : ModifiedSubShape | |
2172 | //purpose : | |
2173 | //======================================================================= | |
2174 | ||
2175 | TopoDS_Shape BRepBuilderAPI_Sewing::ModifiedSubShape(const TopoDS_Shape& aShape) const | |
2176 | { | |
2177 | return myReShape->Apply(aShape); | |
2178 | } | |
2179 | ||
2180 | //======================================================================= | |
2181 | //function : Dump | |
2182 | //purpose : | |
2183 | //======================================================================= | |
2184 | ||
2185 | void BRepBuilderAPI_Sewing::Dump() const | |
2186 | { | |
2187 | Standard_Integer i, NbBounds = myBoundFaces.Extent(), NbSections = 0; | |
2188 | TopTools_MapOfShape mapVertices, mapEdges; | |
2189 | for (i = 1; i <= NbBounds; i++) { | |
2190 | TopoDS_Shape bound = myBoundFaces.FindKey(i); | |
2191 | if (myBoundSections.IsBound(bound)) NbSections += myBoundSections(bound).Extent(); | |
2192 | else NbSections++; | |
2193 | TopExp_Explorer aExp(myReShape->Apply(bound),TopAbs_EDGE); | |
2194 | for (; aExp.More(); aExp.Next()) { | |
2195 | TopoDS_Edge E = TopoDS::Edge(aExp.Current()); | |
2196 | mapEdges.Add(E); | |
2197 | TopoDS_Vertex V1, V2; | |
2198 | TopExp::Vertices(E,V1,V2); | |
2199 | mapVertices.Add(V1); | |
2200 | mapVertices.Add(V2); | |
2201 | } | |
2202 | } | |
2203 | cout << " " << endl; | |
2204 | cout << " Informations " << endl; | |
2205 | cout << " ===========================================================" << endl; | |
2206 | cout << " " << endl; | |
2207 | cout << " Number of input shapes : " << myOldShapes.Extent() << endl; | |
2208 | cout << " Number of actual shapes : " << myNbShapes << endl; | |
2209 | cout << " Number of Bounds : " << NbBounds << endl; | |
2210 | cout << " Number of Sections : " << NbSections << endl; | |
2211 | cout << " Number of Edges : " << mapEdges.Extent() << endl; | |
2212 | cout << " Number of Vertices : " << myNbVertices << endl; | |
2213 | cout << " Number of Nodes : " << mapVertices.Extent() << endl; | |
2214 | cout << " Number of Free Edges : " << myFreeEdges.Extent() << endl; | |
2215 | cout << " Number of Contigous Edges : " << myContigousEdges.Extent() << endl; | |
2216 | cout << " Number of Multiple Edges : " << myMultipleEdges.Extent() << endl; | |
2217 | cout << " Number of Degenerated Edges : " << myDegenerated.Extent() << endl; | |
2218 | cout << " ===========================================================" << endl; | |
2219 | cout << " " << endl; | |
2220 | } | |
2221 | ||
2222 | //======================================================================= | |
2223 | //function : FaceAnalysis | |
2224 | //purpose : Remove | |
2225 | // Modifies: | |
2226 | // myNbShapes | |
2227 | // myOldShapes | |
2228 | // | |
2229 | // Constructs: | |
2230 | // myDegenerated | |
2231 | //======================================================================= | |
2232 | ||
92434a36 | 2233 | void BRepBuilderAPI_Sewing::FaceAnalysis(const Handle(Message_ProgressIndicator)& thePI) |
7fd59977 | 2234 | { |
2235 | if (!myShape.IsNull() && myOldShapes.IsEmpty()) { | |
2236 | Add(myShape); | |
2237 | myShape.Nullify(); | |
2238 | } | |
2239 | ||
2240 | BRep_Builder B; | |
2241 | TopTools_MapOfShape SmallEdges; | |
2242 | TopTools_DataMapOfShapeListOfShape GluedVertices; | |
2243 | Standard_Integer i = 1; | |
92434a36 A |
2244 | Message_ProgressSentry aPS (thePI, "Shape analysis", 0, myOldShapes.Extent(), 1); |
2245 | for (i = 1; i <= myOldShapes.Extent() && aPS.More(); i++, aPS.Next()) { | |
7fd59977 | 2246 | for (TopExp_Explorer fexp(myOldShapes(i),TopAbs_FACE); fexp.More(); fexp.Next()) { |
2247 | ||
2248 | // Retrieve current face | |
2249 | TopoDS_Shape aTmpShape = fexp.Current(); //for porting | |
2250 | TopoDS_Face face = TopoDS::Face(aTmpShape); | |
2251 | Standard_Integer nbEdges = 0, nbSmall = 0; | |
2252 | ||
2253 | // Build replacing face | |
2254 | aTmpShape = face.EmptyCopied().Oriented(TopAbs_FORWARD); //for porting | |
2255 | TopoDS_Face nface = TopoDS::Face(aTmpShape); | |
2256 | Standard_Boolean isFaceChanged = Standard_False; | |
2257 | ||
2258 | TopoDS_Iterator witer(face.Oriented(TopAbs_FORWARD)); | |
2259 | for (; witer.More(); witer.Next()) { | |
2260 | ||
2261 | // Retrieve current wire | |
2262 | aTmpShape = witer.Value(); //for porting | |
2263 | if( aTmpShape.ShapeType() != TopAbs_WIRE) continue; | |
2264 | TopoDS_Wire wire = TopoDS::Wire(aTmpShape); | |
2265 | ||
2266 | // Build replacing wire | |
2267 | aTmpShape = wire.EmptyCopied().Oriented(TopAbs_FORWARD); | |
2268 | TopoDS_Wire nwire = TopoDS::Wire(aTmpShape); | |
2269 | Standard_Boolean isWireChanged = Standard_False; | |
2270 | ||
2271 | TopoDS_Iterator eiter(wire.Oriented(TopAbs_FORWARD)); | |
2272 | for (; eiter.More(); eiter.Next()) { | |
2273 | ||
2274 | // Retrieve current edge | |
2275 | aTmpShape = eiter.Value(); //for porting | |
2276 | TopoDS_Edge edge = TopoDS::Edge(aTmpShape); | |
2277 | nbEdges++; | |
2278 | ||
2279 | // Process degenerated edge | |
2280 | if (BRep_Tool::Degenerated(edge)) { | |
2281 | B.Add(nwire,edge); // Old edge kept | |
2282 | myDegenerated.Add(edge); | |
2283 | nbSmall++; | |
2284 | continue; | |
2285 | } | |
2286 | ||
2287 | Standard_Boolean isSmall = SmallEdges.Contains(edge); | |
2288 | if (!isSmall) { | |
2289 | ||
2290 | // Check for small edge | |
2291 | Standard_Real first, last; | |
2292 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(edge,first,last); | |
2293 | if (c3d.IsNull()) { | |
0797d9d3 | 2294 | #ifdef OCCT_DEBUG |
7fd59977 | 2295 | cout << "Warning: Possibly small edge can be sewed: No 3D curve" << endl; |
2296 | #endif | |
2297 | } | |
2298 | else { | |
2299 | // Evaluate curve compactness | |
2300 | const Standard_Integer npt = 5; | |
2301 | gp_Pnt cp((c3d->Value(first).XYZ()+c3d->Value(last).XYZ())*0.5); | |
2302 | Standard_Real dist, maxdist = 0.0; | |
2303 | Standard_Real delta = (last - first)/(npt - 1); | |
2304 | for (Standard_Integer idx = 0; idx < npt; idx++) { | |
2305 | dist = cp.Distance(c3d->Value(first + idx*delta)); | |
2306 | if (maxdist < dist) maxdist = dist; | |
2307 | } | |
2308 | isSmall = (2.*maxdist <= MinTolerance()); | |
2309 | /*try { | |
2310 | GeomAdaptor_Curve cAdapt(c3d); | |
2311 | Standard_Real length = GCPnts_AbscissaPoint::Length(cAdapt,first,last); | |
2312 | isSmall = (length <= MinTolerance()); | |
2313 | } | |
2314 | catch (Standard_Failure) { | |
0797d9d3 | 2315 | #ifdef OCCT_DEBUG |
7fd59977 | 2316 | cout << "Warning: Possibly small edge can be sewed: "; |
2317 | Standard_Failure::Caught()->Print(cout); cout << endl; | |
2318 | #endif | |
2319 | }*/ | |
2320 | } | |
2321 | ||
2322 | if (isSmall) { | |
2323 | ||
2324 | // Store small edge in the map | |
2325 | SmallEdges.Add(edge); | |
2326 | ||
2327 | TopoDS_Vertex v1, v2; | |
2328 | TopExp::Vertices(edge,v1,v2); | |
2329 | TopoDS_Shape nv1 = myReShape->Apply(v1), nv2 = myReShape->Apply(v2); | |
2330 | ||
2331 | // Store glued vertices | |
2332 | if (!nv1.IsSame(v1)) { | |
2333 | TopTools_ListOfShape& vlist1 = GluedVertices(nv1); | |
2334 | // First vertex was already glued | |
2335 | if (!nv2.IsSame(v2)) { | |
2336 | // Merge lists of glued vertices | |
2337 | if (!nv1.IsSame(nv2)) { | |
2338 | TopTools_ListIteratorOfListOfShape liter(GluedVertices(nv2)); | |
2339 | for (; liter.More(); liter.Next()) { | |
2340 | TopoDS_Shape v = liter.Value(); | |
2341 | myReShape->Replace(v,nv1.Oriented(v.Orientation())); | |
2342 | vlist1.Append(v); | |
2343 | } | |
2344 | GluedVertices.UnBind(nv2); | |
2345 | } | |
2346 | } | |
2347 | else { | |
2348 | // Add second vertex to the existing list | |
2349 | vlist1.Append(v2); | |
2350 | myReShape->Replace(v2,nv1.Oriented(v2.Orientation())); | |
2351 | } | |
2352 | } | |
2353 | else if (!nv2.IsSame(v2)) { | |
2354 | // Add first vertex to the existing list | |
2355 | GluedVertices(nv2).Append(v1); | |
2356 | myReShape->Replace(v1,nv2.Oriented(v1.Orientation())); | |
2357 | } | |
2358 | else if (!v1.IsSame(v2)) { | |
2359 | // Record new glued vertices | |
2360 | TopoDS_Vertex nv; | |
2361 | B.MakeVertex(nv); | |
2362 | TopTools_ListOfShape vlist; | |
2363 | vlist.Append(v1); | |
2364 | vlist.Append(v2); | |
2365 | GluedVertices.Bind(nv,vlist); | |
2366 | myReShape->Replace(v1,nv.Oriented(v1.Orientation())); | |
2367 | myReShape->Replace(v2,nv.Oriented(v2.Orientation())); | |
2368 | } | |
2369 | } | |
2370 | } | |
2371 | ||
2372 | // Replace small edge | |
2373 | if (isSmall) { | |
0797d9d3 | 2374 | #ifdef OCCT_DEBUG |
7fd59977 | 2375 | cout << "Warning: Small edge made degenerated by FaceAnalysis" << endl; |
2376 | #endif | |
2377 | nbSmall++; | |
2378 | // Create new degenerated edge | |
2379 | aTmpShape = edge.Oriented(TopAbs_FORWARD); | |
2380 | TopoDS_Edge fedge = TopoDS::Edge(aTmpShape); | |
2381 | Standard_Real pfirst, plast; | |
2382 | Handle(Geom2d_Curve) c2d = BRep_Tool::CurveOnSurface(fedge,face,pfirst,plast); | |
2383 | if (!c2d.IsNull()) { | |
2384 | TopoDS_Edge nedge; | |
2385 | B.MakeEdge(nedge); | |
2386 | B.UpdateEdge(nedge,c2d,face,Precision::Confusion()); | |
2387 | B.Range(nedge,pfirst,plast); | |
2388 | B.Degenerated(nedge,Standard_True); | |
2389 | TopoDS_Vertex v1, v2; | |
2390 | TopExp::Vertices(fedge,v1,v2); | |
2391 | B.Add(nedge,myReShape->Apply(v1).Oriented(v1.Orientation())); | |
2392 | B.Add(nedge,myReShape->Apply(v2).Oriented(v2.Orientation())); | |
2393 | B.Add(nwire,nedge.Oriented(edge.Orientation())); | |
2394 | myDegenerated.Add(nedge); | |
2395 | } | |
2396 | isWireChanged = Standard_True; | |
2397 | } | |
2398 | else B.Add(nwire,edge); // Old edge kept | |
2399 | } | |
2400 | ||
2401 | // Record wire in the new face | |
2402 | if (isWireChanged) { | |
2403 | B.Add(nface,nwire.Oriented(wire.Orientation())); | |
2404 | isFaceChanged = Standard_True; | |
2405 | } | |
2406 | else B.Add(nface,wire); | |
2407 | } | |
2408 | ||
2409 | // Remove small face | |
2410 | if (nbSmall == nbEdges) { | |
0797d9d3 | 2411 | #ifdef OCCT_DEBUG |
7fd59977 | 2412 | cout << "Warning: Small face removed by FaceAnalysis" << endl; |
2413 | #endif | |
2414 | myLittleFace.Add(face); | |
2415 | myReShape->Remove(face); | |
2416 | } | |
2417 | else if (isFaceChanged) { | |
2418 | ||
2419 | myReShape->Replace(face,nface.Oriented(face.Orientation())); | |
2420 | } | |
2421 | } | |
2422 | } | |
2423 | ||
2424 | // Update glued vertices | |
2425 | TopTools_DataMapIteratorOfDataMapOfShapeListOfShape miter(GluedVertices); | |
2426 | for (; miter.More(); miter.Next()) { | |
2427 | TopoDS_Vertex vnew = TopoDS::Vertex(miter.Key()); | |
2428 | gp_XYZ coord(0.,0.,0.); | |
2429 | Standard_Integer nbPoints = 0; | |
2430 | const TopTools_ListOfShape& vlist = miter.Value(); | |
2431 | TopTools_ListIteratorOfListOfShape liter1(vlist); | |
2432 | for (; liter1.More(); liter1.Next()) { | |
2433 | coord += BRep_Tool::Pnt(TopoDS::Vertex(liter1.Value())).XYZ(); | |
2434 | nbPoints++; | |
2435 | } | |
2436 | if (nbPoints) { | |
2437 | gp_Pnt vp(coord / nbPoints); | |
2438 | Standard_Real tol = 0.0, mtol = 0.0; | |
2439 | TopTools_ListIteratorOfListOfShape liter2(vlist); | |
2440 | for (; liter2.More(); liter2.Next()) { | |
2441 | Standard_Real vtol = BRep_Tool::Tolerance(TopoDS::Vertex(liter2.Value())); | |
2442 | if (mtol < vtol) mtol = vtol; | |
2443 | vtol = vp.Distance(BRep_Tool::Pnt(TopoDS::Vertex(liter2.Value()))); | |
2444 | if (tol < vtol) tol = vtol; | |
2445 | } | |
2446 | B.UpdateVertex(vnew,vp,tol+mtol); | |
2447 | } | |
2448 | } | |
2449 | ||
2450 | // Update input shapes | |
2451 | for (i = 1; i <= myOldShapes.Extent(); i++) | |
2452 | myOldShapes(i) = myReShape->Apply(myOldShapes(i)); | |
2453 | } | |
2454 | ||
2455 | //======================================================================= | |
2456 | //function : FindFreeBoundaries | |
2457 | //purpose : Constructs : | |
2458 | // myBoundFaces (bound = list of faces) - REFERENCE | |
2459 | // myVertexNode (vertex = node) | |
2460 | // myVertexNodeFree (floating vertex = node) | |
2461 | // | |
2462 | //======================================================================= | |
2463 | ||
2464 | void BRepBuilderAPI_Sewing::FindFreeBoundaries() | |
2465 | { | |
2466 | // Take into account the context shape if needed | |
2467 | TopTools_IndexedMapOfShape NewShapes; | |
2468 | if (!myShape.IsNull()) { | |
2469 | if (myOldShapes.IsEmpty()) { | |
2470 | Add(myShape); | |
2471 | myShape.Nullify(); | |
2472 | } | |
2473 | else { | |
2474 | TopoDS_Shape newShape = myReShape->Apply(myShape); | |
2475 | if (!newShape.IsNull()) NewShapes.Add(newShape); | |
2476 | } | |
2477 | } | |
2478 | // Create map Edge -> Faces | |
2479 | TopTools_IndexedDataMapOfShapeListOfShape EdgeFaces; | |
2480 | Standard_Integer i, nbShapes = myOldShapes.Extent(); | |
2481 | for (i = 1; i <= nbShapes; i++) { | |
2482 | // Retrieve new shape | |
2483 | TopoDS_Shape shape = myOldShapes(i); | |
2484 | if (shape.IsNull()) continue; | |
2485 | NewShapes.Add(shape); | |
2486 | // Explore shape to find all boundaries | |
2487 | for (TopExp_Explorer eExp(shape,TopAbs_EDGE); eExp.More(); eExp.Next()) { | |
2488 | TopoDS_Shape edge = eExp.Current(); | |
2489 | if (!EdgeFaces.Contains(edge)) { | |
2490 | TopTools_ListOfShape listFaces; | |
2491 | EdgeFaces.Add(edge,listFaces); | |
2492 | } | |
2493 | } | |
2494 | } | |
2495 | // Fill map Edge -> Faces | |
2496 | nbShapes = NewShapes.Extent(); | |
2497 | TopTools_MapOfShape mapFaces; | |
2498 | for (i = 1; i <= nbShapes; i++) { | |
2499 | // Explore shape to find all faces | |
2500 | TopExp_Explorer fExp(NewShapes.FindKey(i),TopAbs_FACE); | |
2501 | for (; fExp.More(); fExp.Next()) { | |
2502 | TopoDS_Shape face = fExp.Current(); | |
2503 | if(mapFaces.Contains(face)) continue; | |
2504 | else | |
2505 | mapFaces.Add(face); | |
2506 | // Explore face to find all boundaries | |
2507 | for (TopoDS_Iterator aIw(face); aIw.More(); aIw.Next()) { | |
2508 | if(aIw.Value().ShapeType() != TopAbs_WIRE) continue; | |
2509 | for (TopoDS_Iterator aIIe(aIw.Value()); aIIe.More(); aIIe.Next()) { | |
2510 | ||
2511 | TopoDS_Shape edge = aIIe.Value(); | |
2512 | ||
2513 | if (EdgeFaces.Contains(edge)) { | |
2514 | EdgeFaces.ChangeFromKey(edge).Append(face); | |
2515 | //TopTools_ListOfShape& listFaces = EdgeFaces.ChangeFromKey(edge); | |
2516 | //Standard_Boolean isContained = Standard_False; | |
2517 | //TopTools_ListIteratorOfListOfShape itf(listFaces); | |
2518 | //for (; itf.More() && !isContained; itf.Next()) | |
2519 | // isContained = face.IsSame(itf.Value()); | |
2520 | //if (!isContained) listFaces.Append(face); | |
2521 | } | |
2522 | } | |
2523 | } | |
2524 | } | |
2525 | } | |
2526 | // Find free boundaries | |
2527 | nbShapes = EdgeFaces.Extent(); | |
2528 | for (i = 1; i <= nbShapes; i++) { | |
2529 | TopTools_ListOfShape& listFaces = EdgeFaces(i); | |
2530 | Standard_Integer nbFaces = listFaces.Extent(); | |
2531 | TopoDS_Shape edge = EdgeFaces.FindKey(i); | |
2532 | if(edge.Orientation() == TopAbs_INTERNAL) | |
2533 | continue; | |
2534 | Standard_Boolean isSeam = Standard_False; | |
2535 | if (nbFaces == 1) { | |
2536 | TopoDS_Face face = TopoDS::Face(listFaces.First()); | |
2537 | isSeam = BRep_Tool::IsClosed(TopoDS::Edge(edge),face); | |
2538 | if (isSeam) { | |
2539 | ///Handle(Geom_Surface) surf = BRep_Tool::Surface(face); | |
2540 | //isSeam = (IsUClosedSurface(surf) || IsVClosedSurface(surf)); | |
2541 | //if(!isSeam) { | |
2542 | BRep_Builder aB; | |
2543 | TopoDS_Shape anewEdge = edge.EmptyCopied(); | |
2544 | TopoDS_Iterator aItV(edge); | |
2545 | for( ; aItV.More() ; aItV.Next()) | |
2546 | aB.Add(anewEdge,aItV.Value()); | |
2547 | ||
2548 | ||
2549 | ||
2550 | Standard_Real first2d,last2d; | |
2551 | Handle(Geom2d_Curve) c2dold = | |
2552 | BRep_Tool::CurveOnSurface(TopoDS::Edge(edge),TopoDS::Face(listFaces.First()),first2d,last2d); | |
2553 | ||
2554 | Handle(Geom2d_Curve) c2d; | |
2555 | BRep_Builder B; | |
2556 | B.UpdateEdge(TopoDS::Edge(anewEdge),c2d,c2d,TopoDS::Face(listFaces.First()),0); | |
2557 | B.UpdateEdge(TopoDS::Edge(anewEdge),c2dold,TopoDS::Face(listFaces.First()),0); | |
2558 | ||
2559 | Standard_Real aFirst, aLast; | |
2560 | BRep_Tool::Range(TopoDS::Edge(edge),aFirst, aLast); | |
2561 | aB.Range(TopoDS::Edge(anewEdge),aFirst, aLast); | |
2562 | aB.Range(TopoDS::Edge(anewEdge),TopoDS::Face(listFaces.First()),first2d,last2d); | |
2563 | myReShape->Replace(edge,anewEdge); | |
2564 | edge = anewEdge; | |
2565 | ||
2566 | //} | |
2567 | isSeam = Standard_False; | |
2568 | } | |
2569 | } | |
2570 | Standard_Boolean isBoundFloat = (myFloatingEdgesMode && !nbFaces); | |
2571 | Standard_Boolean isBound = (myFaceMode && ((myNonmanifold && nbFaces) || (nbFaces == 1 && !isSeam))); | |
2572 | if (isBound || isBoundFloat) { | |
2573 | // Ignore degenerated edge | |
2574 | if (BRep_Tool::Degenerated(TopoDS::Edge(edge))) continue; | |
2575 | // Ignore edge with internal vertices | |
2576 | // Standard_Integer nbVtx = 0; | |
2577 | // for (TopExp_Explorer vExp(edge,TopAbs_VERTEX); vExp.More(); vExp.Next()) nbVtx++; | |
2578 | // if (nbVtx != 2) continue; | |
2579 | // Add to BoundFaces | |
2580 | TopTools_ListOfShape listFacesCopy; | |
2581 | listFacesCopy.Append(listFaces); | |
2582 | myBoundFaces.Add(edge,listFacesCopy); | |
2583 | // Process edge vertices | |
2584 | TopoDS_Vertex vFirst, vLast; | |
2585 | TopExp::Vertices(TopoDS::Edge(edge), vFirst, vLast); | |
2586 | if(vFirst.IsNull() || vLast.IsNull()) continue; | |
2587 | if(vFirst.Orientation() == TopAbs_INTERNAL || vLast.Orientation() == TopAbs_INTERNAL) | |
2588 | continue; | |
2589 | if (isBound) { | |
2590 | // Add to VertexNode | |
2591 | if (!myVertexNode.Contains(vFirst)) | |
2592 | myVertexNode.Add(vFirst,vFirst); | |
2593 | if (!myVertexNode.Contains(vLast)) | |
2594 | myVertexNode.Add(vLast,vLast); | |
2595 | } | |
2596 | else { | |
2597 | // Add to VertexNodeFree | |
2598 | if (!myVertexNodeFree.Contains(vFirst)) | |
2599 | myVertexNodeFree.Add(vFirst,vFirst); | |
2600 | if (!myVertexNodeFree.Contains(vLast)) | |
2601 | myVertexNodeFree.Add(vLast,vLast); | |
2602 | } | |
2603 | } | |
2604 | } | |
2605 | } | |
2606 | ||
2607 | //======================================================================= | |
2608 | //function : VerticesAssembling | |
2609 | //purpose : Modifies : | |
2610 | // myVertexNode (nodes glued) | |
2611 | // myVertexNodeFree (nodes glued) | |
2612 | // myNodeSections (lists of sections merged for glued nodes) | |
2613 | // | |
2614 | //======================================================================= | |
2615 | ||
2616 | static Standard_Boolean CreateNewNodes(const TopTools_IndexedDataMapOfShapeShape& NodeNearestNode, | |
2617 | const TopTools_IndexedDataMapOfShapeListOfShape& NodeVertices, | |
2618 | TopTools_IndexedDataMapOfShapeShape& aVertexNode, | |
2619 | TopTools_DataMapOfShapeListOfShape& aNodeEdges) | |
2620 | { | |
2621 | Standard_Integer i, nbNearest = NodeNearestNode.Extent(); | |
2622 | ||
2623 | // Create new nodes | |
2624 | BRep_Builder B; | |
2625 | TopTools_DataMapOfShapeShape OldNodeNewNode; | |
2626 | TopTools_DataMapOfShapeListOfShape NewNodeOldNodes; | |
2627 | for (i = 1; i <= nbNearest; i++) { | |
2628 | // Retrieve a pair of nodes to merge | |
2629 | TopoDS_Shape oldnode1 = NodeNearestNode.FindKey(i); | |
2630 | TopoDS_Shape oldnode2 = NodeNearestNode(i); | |
2631 | // Second node should also be in the map | |
2632 | if (!NodeNearestNode.Contains(oldnode2)) continue; | |
2633 | // Get new node for old node #1 | |
2634 | if (OldNodeNewNode.IsBound(oldnode1)) { | |
2635 | TopoDS_Shape newnode1 = OldNodeNewNode(oldnode1); | |
2636 | if (OldNodeNewNode.IsBound(oldnode2)) { | |
2637 | TopoDS_Shape newnode2 = OldNodeNewNode(oldnode2); | |
2638 | if (!newnode1.IsSame(newnode2)) { | |
2639 | // Change data for new node #2 | |
2640 | TopTools_ListOfShape& lnode1 = NewNodeOldNodes(newnode1); | |
2641 | TopTools_ListIteratorOfListOfShape itn(NewNodeOldNodes(newnode2)); | |
2642 | for (; itn.More(); itn.Next()) { | |
2643 | TopoDS_Shape node2 = itn.Value(); | |
2644 | lnode1.Append(node2); | |
2645 | OldNodeNewNode(node2) = newnode1; | |
2646 | } | |
2647 | NewNodeOldNodes.UnBind(newnode2); | |
2648 | } | |
2649 | } | |
2650 | else { | |
2651 | // Old node #2 is not bound - add to old node #1 | |
2652 | OldNodeNewNode.Bind(oldnode2,newnode1); | |
2653 | NewNodeOldNodes(newnode1).Append(oldnode2); | |
2654 | } | |
2655 | } | |
2656 | else { | |
2657 | if (OldNodeNewNode.IsBound(oldnode2)) { | |
2658 | // Old node #1 is not bound - add to old node #2 | |
2659 | TopoDS_Shape newnode2 = OldNodeNewNode(oldnode2); | |
2660 | OldNodeNewNode.Bind(oldnode1,newnode2); | |
2661 | NewNodeOldNodes(newnode2).Append(oldnode1); | |
2662 | } | |
2663 | else { | |
2664 | // Nodes are not bound - create new node | |
2665 | TopoDS_Vertex newnode; | |
2666 | B.MakeVertex(newnode); | |
2667 | OldNodeNewNode.Bind(oldnode1,newnode); | |
2668 | OldNodeNewNode.Bind(oldnode2,newnode); | |
2669 | TopTools_ListOfShape lnodes; | |
2670 | lnodes.Append(oldnode1); | |
2671 | lnodes.Append(oldnode2); | |
2672 | NewNodeOldNodes.Bind(newnode,lnodes); | |
2673 | } | |
2674 | } | |
2675 | } | |
2676 | ||
2677 | // Stop if no new nodes created | |
2678 | if (!NewNodeOldNodes.Extent()) return Standard_False; | |
2679 | ||
2680 | TopTools_DataMapIteratorOfDataMapOfShapeListOfShape iter1(NewNodeOldNodes); | |
2681 | for (; iter1.More(); iter1.Next()) { | |
2682 | const TopoDS_Vertex& newnode = TopoDS::Vertex(iter1.Key()); | |
2683 | // Calculate new node center point | |
2684 | gp_XYZ theCoordinates(0.,0.,0.); | |
2685 | TopTools_ListOfShape lvert; // Accumulate node vertices | |
2686 | TopTools_MapOfShape medge; | |
2687 | TopTools_ListOfShape ledge; // Accumulate node edges | |
2688 | // Iterate on old nodes | |
2689 | TopTools_ListIteratorOfListOfShape itn(iter1.Value()); | |
2690 | for (; itn.More(); itn.Next()) { | |
2691 | const TopoDS_Shape& oldnode = itn.Value(); | |
2692 | // Iterate on node vertices | |
2693 | TopTools_ListIteratorOfListOfShape itv(NodeVertices.FindFromKey(oldnode)); | |
2694 | for (; itv.More(); itv.Next()) { | |
2695 | TopoDS_Vertex vertex = TopoDS::Vertex(itv.Value()); | |
2696 | // Change node for vertex | |
2697 | aVertexNode.ChangeFromKey(vertex) = newnode; | |
2698 | // Accumulate coordinates | |
2699 | theCoordinates += BRep_Tool::Pnt(vertex).XYZ(); | |
2700 | lvert.Append(vertex); | |
2701 | } | |
2702 | // Iterate on node edges | |
2703 | const TopTools_ListOfShape& edges = aNodeEdges(oldnode); | |
2704 | TopTools_ListIteratorOfListOfShape ite(edges); | |
2705 | for (; ite.More(); ite.Next()) { | |
2706 | TopoDS_Shape edge = ite.Value(); | |
2707 | if (!medge.Contains(edge)) { medge.Add(edge); ledge.Append(edge); } | |
2708 | } | |
2709 | // Unbind old node edges | |
2710 | aNodeEdges.UnBind(oldnode); | |
2711 | } | |
2712 | // Bind new node edges | |
2713 | aNodeEdges.Bind(newnode,ledge); | |
2714 | gp_Pnt center(theCoordinates / lvert.Extent()); | |
2715 | // Calculate new node tolerance | |
2716 | Standard_Real toler = 0.0; | |
2717 | TopTools_ListIteratorOfListOfShape itv(lvert); | |
2718 | for (; itv.More(); itv.Next()) { | |
2719 | const TopoDS_Vertex& vertex = TopoDS::Vertex(itv.Value()); | |
2720 | Standard_Real t = center.Distance(BRep_Tool::Pnt(vertex)) + BRep_Tool::Tolerance(vertex); | |
2721 | if (toler < t) toler = t; | |
2722 | } | |
2723 | // Update new node parameters | |
2724 | B.UpdateVertex(newnode,center,toler); | |
2725 | } | |
2726 | ||
2727 | return Standard_True; | |
2728 | } | |
2729 | ||
2730 | static Standard_Integer IsMergedVertices(const TopoDS_Shape& face1, | |
2731 | const TopoDS_Shape& e1, const TopoDS_Shape& e2, | |
2732 | const TopoDS_Shape& vtx1, const TopoDS_Shape& vtx2) | |
2733 | { | |
2734 | //Case of floating edges | |
2735 | if (face1.IsNull()) | |
2736 | return (!IsClosedShape(e1,vtx1,vtx2)); | |
2737 | ||
2738 | // Find wires containing given edges | |
2739 | TopoDS_Shape wire1, wire2; | |
2740 | TopExp_Explorer itw(face1,TopAbs_WIRE); | |
2741 | for (; itw.More() && (wire1.IsNull() || wire2.IsNull()); itw.Next()) { | |
2742 | TopoDS_Iterator ite(itw.Current(),Standard_False); | |
2743 | for (; ite.More() && (wire1.IsNull() || wire2.IsNull()); ite.Next()) { | |
2744 | if (wire1.IsNull() && e1.IsSame(ite.Value())) wire1 = itw.Current(); | |
2745 | if (wire2.IsNull() && e2.IsSame(ite.Value())) wire2 = itw.Current(); | |
2746 | } | |
2747 | } | |
2748 | Standard_Integer Status = 0; | |
2749 | if (!wire1.IsNull() && !wire2.IsNull()) { | |
2750 | if (wire1.IsSame(wire2)) { | |
2751 | for (TopoDS_Iterator aIte(wire1,Standard_False); aIte.More(); aIte.Next()) { | |
2752 | TopoDS_Vertex ve1,ve2; | |
2753 | TopExp::Vertices(TopoDS::Edge(aIte.Value()),ve1,ve2); | |
2754 | if ((ve1.IsSame(vtx1) && ve2.IsSame(vtx2)) || | |
2755 | (ve2.IsSame(vtx1) && ve1.IsSame(vtx2))) | |
2756 | return (IsClosedShape(aIte.Value(),vtx1,vtx2)? 0 : 1); | |
2757 | } | |
2758 | if (IsClosedShape(wire1,vtx1,vtx2)) { | |
2759 | TopoDS_Vertex V1, V2; | |
2760 | TopExp::Vertices(TopoDS::Wire(wire1),V1,V2); | |
2761 | Standard_Boolean isEndVertex = ((V1.IsSame(vtx1) && V2.IsSame(vtx2)) || | |
2762 | (V2.IsSame(vtx1) && V1.IsSame(vtx2))); | |
2763 | if (!isEndVertex) Status = 1; | |
2764 | } | |
2765 | else Status = 1; | |
2766 | } | |
2767 | else Status = -1; | |
2768 | } | |
2769 | return Status; | |
2770 | } | |
2771 | ||
2772 | static Standard_Boolean GlueVertices(TopTools_IndexedDataMapOfShapeShape& aVertexNode, | |
92434a36 A |
2773 | TopTools_DataMapOfShapeListOfShape& aNodeEdges, |
2774 | const TopTools_IndexedDataMapOfShapeListOfShape& aBoundFaces, | |
2775 | const Standard_Real Tolerance, | |
2776 | const Handle(Message_ProgressIndicator)& theProgress) | |
7fd59977 | 2777 | { |
2778 | Standard_Integer i, nbVertices = aVertexNode.Extent(); | |
2779 | // Create map of node -> vertices | |
2780 | TopTools_IndexedDataMapOfShapeListOfShape NodeVertices; | |
a7653f4f | 2781 | BRepBuilderAPI_CellFilter aFilter (Tolerance); |
82192477 | 2782 | BRepBuilderAPI_VertexInspector anInspector (Tolerance); |
7fd59977 | 2783 | for (i = 1; i <= nbVertices; i++) { |
2784 | TopoDS_Shape vertex = aVertexNode.FindKey(i); | |
2785 | TopoDS_Vertex node = TopoDS::Vertex(aVertexNode(i)); | |
2786 | if (NodeVertices.Contains(node)) { | |
2787 | NodeVertices.ChangeFromKey(node).Append(vertex); | |
2788 | } | |
2789 | else { | |
2790 | TopTools_ListOfShape vlist; | |
2791 | vlist.Append(vertex); | |
2792 | NodeVertices.Add(node,vlist); | |
82192477 | 2793 | gp_Pnt aPnt = BRep_Tool::Pnt (TopoDS::Vertex (node)); |
2794 | aFilter.Add (NodeVertices.FindIndex (node), aPnt.XYZ()); | |
2795 | anInspector.Add (aPnt.XYZ()); | |
7fd59977 | 2796 | } |
2797 | } | |
2798 | Standard_Integer nbNodes = NodeVertices.Extent(); | |
0797d9d3 | 2799 | #ifdef OCCT_DEBUG |
7fd59977 | 2800 | cout << "Glueing " << nbNodes << " nodes..." << endl; |
2801 | #endif | |
7fd59977 | 2802 | // Merge nearest nodes |
2803 | TopTools_IndexedDataMapOfShapeShape NodeNearestNode; | |
92434a36 A |
2804 | Message_ProgressSentry aPS (theProgress, "Glueing nodes", 0, nbNodes, 1, Standard_True); |
2805 | for (i = 1; i <= nbNodes && aPS.More(); i++, aPS.Next()) { | |
7fd59977 | 2806 | TopoDS_Vertex node1 = TopoDS::Vertex(NodeVertices.FindKey(i)); |
2807 | // Find near nodes | |
82192477 | 2808 | gp_Pnt pt1 = BRep_Tool::Pnt (node1); |
2809 | anInspector.SetCurrent (pt1.XYZ()); | |
2810 | gp_XYZ aPntMin = anInspector.Shift (pt1.XYZ(), -Tolerance); | |
2811 | gp_XYZ aPntMax = anInspector.Shift (pt1.XYZ(), Tolerance); | |
2812 | aFilter.Inspect (aPntMin, aPntMax, anInspector); | |
2813 | if (anInspector.ResInd().IsEmpty()) continue; | |
7fd59977 | 2814 | // Retrieve list of edges for the first node |
2815 | const TopTools_ListOfShape& ledges1 = aNodeEdges(node1); | |
2816 | // Explore list of near nodes and fill the sequence of glued nodes | |
2817 | TopTools_SequenceOfShape SeqNodes; | |
2818 | TopTools_ListOfShape listNodesSameEdge; | |
82192477 | 2819 | //gp_Pnt pt1 = BRep_Tool::Pnt(node1); |
2820 | TColStd_ListIteratorOfListOfInteger iter1(anInspector.ResInd()); | |
7fd59977 | 2821 | for (; iter1.More(); iter1.Next()) { |
2822 | TopoDS_Vertex node2 = TopoDS::Vertex(NodeVertices.FindKey(iter1.Value())); | |
2823 | if (node1 == node2) continue; | |
2824 | // Retrieve list of edges for the second node | |
2825 | const TopTools_ListOfShape& ledges2 = aNodeEdges(node2); | |
2826 | // Check merging condition for the pair of nodes | |
2827 | Standard_Integer Status = 0, isSameEdge = Standard_False; | |
2828 | // Explore edges of the first node | |
2829 | TopTools_ListIteratorOfListOfShape Ie1(ledges1); | |
2830 | for (; Ie1.More() && !Status && !isSameEdge; Ie1.Next()) { | |
2831 | const TopoDS_Shape& e1 = Ie1.Value(); | |
2832 | // Obtain real vertex from edge | |
2833 | TopoDS_Shape v1 = node1; | |
2834 | { //szv: Use brackets to destroy local variables | |
2835 | TopoDS_Vertex ov1, ov2; | |
2836 | TopExp::Vertices(TopoDS::Edge(e1),ov1,ov2); | |
2837 | if (aVertexNode.Contains(ov1)) { | |
2838 | if (node1.IsSame(aVertexNode.FindFromKey(ov1))) v1 = ov1; | |
2839 | } | |
2840 | if (aVertexNode.Contains(ov2)) { | |
2841 | if (node1.IsSame(aVertexNode.FindFromKey(ov2))) v1 = ov2; | |
2842 | } | |
2843 | } | |
2844 | // Create map of faces for e1 | |
2845 | TopTools_MapOfShape Faces1; | |
2846 | const TopTools_ListOfShape& lfac1 = aBoundFaces.FindFromKey(e1); | |
2847 | if (lfac1.Extent()) { | |
2848 | TopTools_ListIteratorOfListOfShape itf(lfac1); | |
2849 | for (; itf.More(); itf.Next()) | |
2850 | if (!itf.Value().IsNull()) | |
2851 | Faces1.Add(itf.Value()); | |
2852 | } | |
2853 | // Explore edges of the second node | |
2854 | TopTools_ListIteratorOfListOfShape Ie2(ledges2); | |
2855 | for (; Ie2.More() && !Status && !isSameEdge; Ie2.Next()) { | |
2856 | const TopoDS_Shape& e2 = Ie2.Value(); | |
2857 | // Obtain real vertex from edge | |
2858 | TopoDS_Shape v2 = node2; | |
2859 | { //szv: Use brackets to destroy local variables | |
2860 | TopoDS_Vertex ov1, ov2; | |
2861 | TopExp::Vertices(TopoDS::Edge(e2),ov1,ov2); | |
2862 | if (aVertexNode.Contains(ov1)) { | |
2863 | if (node2.IsSame(aVertexNode.FindFromKey(ov1))) v2 = ov1; | |
2864 | } | |
2865 | if (aVertexNode.Contains(ov2)) { | |
2866 | if (node2.IsSame(aVertexNode.FindFromKey(ov2))) v2 = ov2; | |
2867 | } | |
2868 | } | |
2869 | // Explore faces for e2 | |
2870 | const TopTools_ListOfShape& lfac2 = aBoundFaces.FindFromKey(e2); | |
2871 | if (lfac2.Extent()) { | |
2872 | TopTools_ListIteratorOfListOfShape itf(lfac2); | |
2873 | for (; itf.More() && !Status && !isSameEdge; itf.Next()) { | |
2874 | // Check merging conditions for the same face | |
2875 | if (Faces1.Contains(itf.Value())) { | |
2876 | Standard_Integer stat = IsMergedVertices(itf.Value(),e1,e2,v1,v2); | |
2877 | if (stat == 1) isSameEdge = Standard_True; | |
2878 | else Status = stat; | |
2879 | } | |
2880 | } | |
2881 | } | |
2882 | else if (Faces1.IsEmpty() && e1 == e2) { | |
2883 | Standard_Integer stat = IsMergedVertices(TopoDS_Face(),e1,e1,v1,v2); | |
2884 | if (stat == 1) isSameEdge = Standard_True; | |
2885 | else Status = stat; | |
2886 | break; | |
2887 | } | |
2888 | } | |
2889 | } | |
2890 | if (Status) continue; | |
2891 | if (isSameEdge) listNodesSameEdge.Append(node2); | |
2892 | // Append near node to the sequence | |
2893 | gp_Pnt pt2 = BRep_Tool::Pnt(node2); | |
2894 | Standard_Real dist = pt1.Distance(pt2); | |
2895 | if (dist < Tolerance) { | |
2896 | Standard_Boolean isIns = Standard_False; | |
2897 | for (Standard_Integer kk = 1; kk <= SeqNodes.Length() && !isIns; kk++) { | |
2898 | gp_Pnt pt = BRep_Tool::Pnt(TopoDS::Vertex(SeqNodes.Value(kk))); | |
2899 | if (dist < pt1.Distance(pt)) { | |
2900 | SeqNodes.InsertBefore(kk,node2); | |
2901 | isIns = Standard_True; | |
2902 | } | |
2903 | } | |
2904 | if (!isIns) SeqNodes.Append(node2); | |
2905 | } | |
2906 | } | |
2907 | if (SeqNodes.Length()) { | |
2908 | // Remove nodes near to some other from the same edge | |
2909 | if (listNodesSameEdge.Extent()) { | |
2910 | TopTools_ListIteratorOfListOfShape lInt(listNodesSameEdge); | |
2911 | for (; lInt.More(); lInt.Next()) { | |
2912 | const TopoDS_Vertex& n2 = TopoDS::Vertex(lInt.Value()); | |
2913 | gp_Pnt p2 = BRep_Tool::Pnt(n2); | |
2914 | for (Standard_Integer k = 1; k <= SeqNodes.Length(); ) { | |
2915 | const TopoDS_Vertex& n1 = TopoDS::Vertex(SeqNodes.Value(k)); | |
2916 | if (n1 != n2) { | |
2917 | gp_Pnt p1 = BRep_Tool::Pnt(n1); | |
2918 | if (p2.Distance(p1) >= pt1.Distance(p1)) { k++; continue; } | |
2919 | } | |
2920 | SeqNodes.Remove(k); | |
2921 | } | |
2922 | } | |
2923 | } | |
2924 | // Bind nearest node if at least one exists | |
2925 | if (SeqNodes.Length()) | |
2926 | NodeNearestNode.Add(node1,SeqNodes.First()); | |
2927 | } | |
82192477 | 2928 | anInspector.ClearResList(); |
7fd59977 | 2929 | } |
2930 | ||
2931 | // Create new nodes for chained nearest nodes | |
2932 | if (NodeNearestNode.IsEmpty()) return Standard_False; | |
7fd59977 | 2933 | |
2934 | return CreateNewNodes(NodeNearestNode,NodeVertices,aVertexNode,aNodeEdges); | |
2935 | } | |
2936 | ||
92434a36 | 2937 | void BRepBuilderAPI_Sewing::VerticesAssembling(const Handle(Message_ProgressIndicator)& thePI) |
7fd59977 | 2938 | { |
2939 | Standard_Integer nbVert = myVertexNode.Extent(); | |
2940 | Standard_Integer nbVertFree = myVertexNodeFree.Extent(); | |
92434a36 | 2941 | Message_ProgressSentry aPS (thePI, "Vertices assembling", 0, 2, 1); |
7fd59977 | 2942 | if (nbVert || nbVertFree) { |
2943 | // Fill map node -> sections | |
2944 | Standard_Integer i; | |
2945 | for (i = 1; i <= myBoundFaces.Extent(); i++) { | |
2946 | TopoDS_Shape bound = myBoundFaces.FindKey(i); | |
2947 | for (TopoDS_Iterator itv(bound,Standard_False); itv.More(); itv.Next()) { | |
2948 | TopoDS_Shape node = itv.Value(); | |
2949 | if (myNodeSections.IsBound(node)) | |
2950 | myNodeSections(node).Append(bound); | |
2951 | else { | |
2952 | TopTools_ListOfShape lbnd; | |
2953 | lbnd.Append(bound); | |
2954 | myNodeSections.Bind(node,lbnd); | |
2955 | } | |
2956 | } | |
2957 | } | |
2958 | // Glue vertices | |
2959 | if (nbVert) { | |
0797d9d3 | 2960 | #ifdef OCCT_DEBUG |
7fd59977 | 2961 | cout << "Assemble " << nbVert << " vertices on faces..." << endl; |
2962 | #endif | |
92434a36 | 2963 | while (GlueVertices(myVertexNode,myNodeSections,myBoundFaces,myTolerance, thePI)); |
7fd59977 | 2964 | } |
92434a36 A |
2965 | if (!aPS.More()) |
2966 | return; | |
2967 | aPS.Next(); | |
7fd59977 | 2968 | if (nbVertFree) { |
0797d9d3 | 2969 | #ifdef OCCT_DEBUG |
7fd59977 | 2970 | cout << "Assemble " << nbVertFree << " vertices on floating edges..." << endl; |
2971 | #endif | |
92434a36 | 2972 | while (GlueVertices(myVertexNodeFree,myNodeSections,myBoundFaces,myTolerance, thePI)); |
7fd59977 | 2973 | } |
2974 | } | |
2975 | } | |
2976 | ||
2977 | //======================================================================= | |
2978 | //function : replaceNMVertices | |
2979 | //purpose : internal use (static) | |
2980 | //======================================================================= | |
2981 | static void replaceNMVertices(const TopoDS_Edge& theEdge, | |
2982 | const TopoDS_Vertex& theV1, | |
2983 | const TopoDS_Vertex& theV2, | |
2984 | const Handle(BRepTools_ReShape)& theReShape) | |
2985 | { | |
2986 | //To keep NM vertices on edge | |
2987 | TopTools_SequenceOfShape aSeqNMVert; | |
2988 | TColStd_SequenceOfReal aSeqNMPars; | |
2989 | Standard_Boolean hasNMVert = findNMVertices(theEdge,aSeqNMVert,aSeqNMPars); | |
2990 | if(!hasNMVert) | |
2991 | return; | |
2992 | Standard_Real first, last; | |
2993 | BRep_Tool::Range(theEdge, first, last); | |
2994 | TopLoc_Location aLoc; | |
2995 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(theEdge,aLoc,first, last); | |
2996 | if(c3d.IsNull()) | |
2997 | return; | |
2998 | TopTools_SequenceOfShape aEdVert; | |
2999 | TColStd_SequenceOfReal aEdParams; | |
3000 | Standard_Integer i =1, nb = aSeqNMPars.Length(); | |
3001 | ||
3002 | for( ; i <= nb;i++) { | |
3003 | Standard_Real apar = aSeqNMPars.Value(i); | |
3004 | if(fabs(apar - first) <= Precision::PConfusion()) { | |
3005 | theReShape->Replace(aSeqNMVert.Value(i),theV1); | |
3006 | continue; | |
3007 | } | |
3008 | if(fabs(apar - last) <= Precision::PConfusion()) { | |
3009 | theReShape->Replace(aSeqNMVert.Value(i),theV2); | |
3010 | continue; | |
3011 | } | |
3012 | TopoDS_Shape aV = aSeqNMVert.Value(i); | |
3013 | Standard_Integer j =1; | |
3014 | for( ; j <= aEdParams.Length();j++) { | |
3015 | Standard_Real apar2 = aEdParams.Value(j); | |
3016 | if(fabs(apar - apar2) <= Precision::PConfusion()) { | |
3017 | theReShape->Replace(aV,aEdVert.Value(j)); | |
3018 | break; | |
3019 | } | |
3020 | else if(apar < apar2) { | |
3021 | TopoDS_Shape anewV = aV.EmptyCopied(); | |
3022 | aEdVert.InsertBefore(j,anewV); | |
3023 | aEdParams.InsertBefore(j,apar); | |
3024 | BRep_ListOfPointRepresentation& alistrep = | |
3025 | (*((Handle(BRep_TVertex)*)&anewV.TShape()))->ChangePoints(); | |
3026 | Handle(BRep_PointOnCurve) aPRep = new BRep_PointOnCurve(apar,c3d,aLoc); | |
3027 | alistrep.Append(aPRep); | |
3028 | theReShape->Replace(aV,anewV); | |
3029 | break; | |
3030 | } | |
3031 | } | |
3032 | if (j > aEdParams.Length()) { | |
3033 | TopoDS_Shape anewV = aV.EmptyCopied(); | |
3034 | aEdVert.Append(anewV); | |
3035 | aEdParams.Append(apar); | |
3036 | BRep_ListOfPointRepresentation& alistrep = | |
3037 | (*((Handle(BRep_TVertex)*) &anewV.TShape()))->ChangePoints(); | |
3038 | Handle(BRep_PointOnCurve) aPRep = new BRep_PointOnCurve(apar,c3d,aLoc); | |
3039 | alistrep.Append(aPRep); | |
3040 | theReShape->Replace(aV,anewV); | |
3041 | } | |
3042 | } | |
3043 | ||
3044 | Standard_Integer newnb = aEdParams.Length(); | |
3045 | if(newnb < nb) { | |
3046 | ||
3047 | TopoDS_Shape anewEdge = theEdge.EmptyCopied(); | |
3048 | TopAbs_Orientation anOri = theEdge.Orientation(); | |
3049 | anewEdge.Orientation(TopAbs_FORWARD); | |
3050 | BRep_Builder aB; | |
3051 | aB.Add(anewEdge,theV1); | |
3052 | aB.Add(anewEdge,theV2); | |
3053 | ||
3054 | for( i =1; i <= aEdVert.Length();i++) | |
3055 | aB.Add(anewEdge,aEdVert.Value(i)); | |
3056 | anewEdge.Orientation(anOri); | |
3057 | theReShape->Replace(theEdge,anewEdge); | |
3058 | } | |
3059 | ||
3060 | } | |
3061 | ||
3062 | //======================================================================= | |
3063 | //function : ReplaceEdge | |
3064 | //purpose : internal use (static) | |
3065 | //======================================================================= | |
3066 | ||
3067 | static void ReplaceEdge(const TopoDS_Shape& oldEdge, | |
3068 | const TopoDS_Shape& theNewShape, | |
3069 | const Handle(BRepTools_ReShape)& aReShape) | |
3070 | { | |
3071 | TopoDS_Shape oldShape = aReShape->Apply(oldEdge); | |
3072 | TopoDS_Shape newShape = aReShape->Apply(theNewShape); | |
3073 | if (oldShape.IsSame(newShape)|| aReShape->IsRecorded(newShape)) return; | |
3074 | ||
3075 | ||
3076 | aReShape->Replace(oldShape,newShape); | |
3077 | TopoDS_Vertex V1old,V2old,V1new,V2new; | |
3078 | TopExp::Vertices(TopoDS::Edge(oldShape),V1old,V2old); | |
3079 | TopAbs_Orientation Orold = oldShape.Orientation(); | |
3080 | TopAbs_Orientation Ornew = Orold; | |
3081 | if (newShape.ShapeType() == TopAbs_EDGE) { | |
3082 | TopoDS_Edge aEn = TopoDS::Edge(newShape); | |
3083 | TopExp::Vertices(aEn,V1new,V2new); | |
3084 | Ornew = aEn.Orientation(); | |
3085 | replaceNMVertices(aEn,V1new,V2new,aReShape); | |
3086 | } | |
3087 | else if (newShape.ShapeType() == TopAbs_WIRE) { | |
3088 | for (TopExp_Explorer aex(newShape,TopAbs_EDGE); aex.More(); aex.Next()) { | |
3089 | TopoDS_Edge ed = TopoDS::Edge(aex.Current()); | |
3090 | Ornew = ed.Orientation(); | |
3091 | TopoDS_Vertex aV1,aV2; | |
3092 | TopExp::Vertices(ed,aV1,aV2); | |
3093 | replaceNMVertices(ed,aV1,aV2,aReShape); | |
3094 | if (V1new.IsNull()) | |
3095 | V1new = aV1; | |
3096 | V2new =aV2; | |
3097 | } | |
3098 | } | |
3099 | ||
3100 | V1new.Orientation(V1old.Orientation()); | |
3101 | V2new.Orientation(V2old.Orientation()); | |
3102 | if (V1old.IsSame(V2old) && !V1old.IsSame(V1new)&& !aReShape->IsRecorded(V1new)) { | |
3103 | aReShape->Replace(V1old,V1new); | |
3104 | return; | |
3105 | } | |
3106 | if (Orold == Ornew) { | |
3107 | V1new.Orientation(V1old.Orientation()); | |
3108 | V2new.Orientation(V2old.Orientation()); | |
3109 | if (!V1old.IsSame(V1new) && !V1old.IsSame(V2new)&& !aReShape->IsRecorded(V1new)) | |
3110 | aReShape->Replace(V1old,V1new); | |
3111 | if (!V2old.IsSame(V2new) && !V2old.IsSame(V1new)&& !aReShape->IsRecorded(V2new)) | |
3112 | aReShape->Replace(V2old,V2new); | |
3113 | } | |
3114 | else { | |
3115 | V1new.Orientation(V2old.Orientation()); | |
3116 | V2new.Orientation(V1old.Orientation()); | |
3117 | if (!V1old.IsSame(V2new) && !V1old.IsSame(V1new)&& !aReShape->IsRecorded(V2new)) | |
3118 | aReShape->Replace(V1old,V2new); | |
3119 | if (!V2old.IsSame(V2new) && !V2old.IsSame(V1new)&& !aReShape->IsRecorded(V1new)) | |
3120 | aReShape->Replace(V2old,V1new); | |
3121 | } | |
3122 | } | |
3123 | ||
3124 | //======================================================================= | |
3125 | //function : Merging | |
3126 | //purpose : Modifies : | |
3127 | // myHasFreeBound | |
3128 | // | |
3129 | //======================================================================= | |
3130 | ||
92434a36 A |
3131 | void BRepBuilderAPI_Sewing::Merging(const Standard_Boolean /* firstTime */, |
3132 | const Handle(Message_ProgressIndicator)& thePI) | |
7fd59977 | 3133 | { |
3134 | BRep_Builder B; | |
3135 | // TopTools_MapOfShape MergedEdges; | |
92434a36 A |
3136 | Message_ProgressSentry aPS (thePI, "Merging bounds", 0, myBoundFaces.Extent(), 1); |
3137 | for (Standard_Integer i = 1; i <= myBoundFaces.Extent() && aPS.More(); i++, aPS.Next()) { | |
7fd59977 | 3138 | |
3139 | TopoDS_Shape bound = myBoundFaces.FindKey(i); | |
3140 | ||
3141 | // If bound was already merged - continue | |
3142 | if (myMergedEdges.Contains(bound)) continue; | |
3143 | ||
3144 | if (!myBoundFaces(i).Extent()) { | |
3145 | // Merge free edge - only vertices | |
3146 | TopoDS_Vertex no1, no2; | |
3147 | TopExp::Vertices(TopoDS::Edge(bound),no1,no2); | |
3148 | TopoDS_Shape nno1 = no1, nno2 = no2; | |
3149 | if (myVertexNodeFree.Contains(no1)) | |
3150 | nno1 = myVertexNodeFree.FindFromKey(no1); | |
3151 | if (myVertexNodeFree.Contains(no2)) | |
3152 | nno2 = myVertexNodeFree.FindFromKey(no2); | |
3153 | if (!no1.IsSame(nno1)) { | |
3154 | nno1.Orientation(no1.Orientation()); | |
3155 | myReShape->Replace(no1,nno1); | |
3156 | } | |
3157 | if (!no2.IsSame(nno2)) { | |
3158 | nno2.Orientation(no2.Orientation()); | |
3159 | myReShape->Replace(no2,nno2); | |
3160 | } | |
3161 | myMergedEdges.Add(bound); | |
3162 | continue; | |
3163 | } | |
3164 | ||
3165 | // Check for previous splitting, build replacing wire | |
3166 | TopoDS_Wire BoundWire; | |
3167 | Standard_Boolean isPrevSplit = Standard_False; | |
3168 | Standard_Boolean hasCuttingSections = myBoundSections.IsBound(bound); | |
3169 | if (hasCuttingSections) { | |
3170 | B.MakeWire(BoundWire); | |
3171 | BoundWire.Orientation(bound.Orientation()); | |
3172 | // Iterate on cutting sections | |
3173 | TopTools_ListIteratorOfListOfShape its(myBoundSections(bound)); | |
3174 | for (; its.More(); its.Next()) { | |
3175 | TopoDS_Shape section = its.Value(); | |
3176 | B.Add(BoundWire,section); | |
3177 | if (myMergedEdges.Contains(section)) isPrevSplit = Standard_True; | |
3178 | } | |
3179 | } | |
3180 | ||
3181 | // Merge with bound | |
3182 | TopTools_DataMapOfShapeShape MergedWithBound; | |
3183 | if (!isPrevSplit) { | |
3184 | // Obtain sequence of edges merged with bound | |
3185 | TopTools_SequenceOfShape seqMergedWithBound; | |
3186 | TColStd_SequenceOfInteger seqMergedWithBoundOri; | |
3187 | if (MergedNearestEdges(bound,seqMergedWithBound,seqMergedWithBoundOri)) { | |
3188 | // Store bound in the map | |
3189 | MergedWithBound.Bind(bound,bound); | |
3190 | // Iterate on edges merged with bound | |
3191 | Standard_Integer ii = 1; | |
3192 | while (ii <= seqMergedWithBound.Length()) { | |
3193 | TopoDS_Shape iedge = seqMergedWithBound.Value(ii); | |
3194 | // Remove edge if recorded as merged | |
3195 | Standard_Boolean isRejected = (myMergedEdges.Contains(iedge) || | |
3196 | MergedWithBound.IsBound(iedge)); | |
3197 | if (!isRejected) { | |
3198 | if (myBoundSections.IsBound(iedge)) { | |
3199 | // Edge is splitted - check sections | |
3200 | TopTools_ListIteratorOfListOfShape lit(myBoundSections(iedge)); | |
3201 | for (; lit.More() && !isRejected; lit.Next()) { | |
3202 | const TopoDS_Shape& sec = lit.Value(); | |
3203 | // Remove edge (bound) if at least one of its sections already merged | |
3204 | isRejected = (myMergedEdges.Contains(sec) || MergedWithBound.IsBound(sec)); | |
3205 | } | |
3206 | } | |
3207 | if (!isRejected) { | |
3208 | if (mySectionBound.IsBound(iedge)) { | |
3209 | // Edge is a section - check bound | |
3210 | const TopoDS_Shape& bnd = mySectionBound(iedge); | |
3211 | // Remove edge (section) if its bound already merged | |
3212 | isRejected = (myMergedEdges.Contains(bnd) || MergedWithBound.IsBound(bnd)); | |
3213 | } | |
3214 | } | |
3215 | } | |
3216 | // To the next merged edge | |
3217 | if (isRejected) { | |
3218 | // Remove rejected edge | |
3219 | seqMergedWithBound.Remove(ii); | |
3220 | seqMergedWithBoundOri.Remove(ii); | |
3221 | } | |
3222 | else { | |
3223 | // Process accepted edge | |
3224 | MergedWithBound.Bind(iedge,iedge); | |
3225 | ii++; | |
3226 | } | |
3227 | } | |
3228 | Standard_Integer nbMerged = seqMergedWithBound.Length(); | |
3229 | if (nbMerged) { | |
3230 | // Create same parameter edge | |
3231 | TopTools_MapOfShape ActuallyMerged; | |
3232 | TopoDS_Edge MergedEdge = SameParameterEdge(bound,seqMergedWithBound, | |
3233 | seqMergedWithBoundOri, | |
3234 | ActuallyMerged,myReShape); | |
3235 | Standard_Boolean isForward = Standard_False; | |
3236 | if (!MergedEdge.IsNull()) isForward = (MergedEdge.Orientation() == TopAbs_FORWARD); | |
3237 | // Process actually merged edges | |
3238 | Standard_Integer nbActuallyMerged = 0; | |
3239 | for (ii = 1; ii <= nbMerged; ii++) { | |
3240 | TopoDS_Shape iedge = seqMergedWithBound(ii); | |
3241 | if (ActuallyMerged.Contains(iedge)) { | |
3242 | nbActuallyMerged++; | |
3243 | // Record merged edge in the map | |
3244 | TopAbs_Orientation orient = iedge.Orientation(); | |
3245 | if (!isForward) orient = TopAbs::Reverse(orient); | |
3246 | if (!seqMergedWithBoundOri(ii)) orient = TopAbs::Reverse(orient); | |
3247 | MergedWithBound.ChangeFind(iedge) = MergedEdge.Oriented(orient); | |
3248 | } | |
3249 | else MergedWithBound.UnBind(iedge); | |
3250 | } | |
3251 | if (nbActuallyMerged) { | |
3252 | // Record merged bound in the map | |
3253 | TopAbs_Orientation orient = bound.Orientation(); | |
3254 | if (!isForward) orient = TopAbs::Reverse(orient); | |
3255 | MergedWithBound.ChangeFind(bound) = MergedEdge.Oriented(orient); | |
3256 | } | |
3257 | nbMerged = nbActuallyMerged; | |
3258 | } | |
3259 | // Remove bound from the map if not finally merged | |
3260 | if (!nbMerged) MergedWithBound.UnBind(bound); | |
3261 | } | |
3262 | } | |
3263 | Standard_Boolean isMerged = MergedWithBound.Extent(); | |
3264 | ||
3265 | // Merge with cutting sections | |
3266 | Handle(BRepTools_ReShape) SectionsReShape = new BRepTools_ReShape; | |
3267 | TopTools_DataMapOfShapeShape MergedWithSections; | |
3268 | if (hasCuttingSections) { | |
3269 | // Iterate on cutting sections | |
3270 | TopTools_ListIteratorOfListOfShape its(myBoundSections(bound)); | |
3271 | for (; its.More(); its.Next()) { | |
3272 | // Retrieve cutting section | |
3273 | TopoDS_Shape section = its.Value(); | |
3274 | // Skip section if already merged | |
3275 | if (myMergedEdges.Contains(section)) continue; | |
3276 | // Merge cutting section | |
3277 | TopTools_SequenceOfShape seqMergedWithSection; | |
3278 | TColStd_SequenceOfInteger seqMergedWithSectionOri; | |
3279 | if (MergedNearestEdges(section,seqMergedWithSection,seqMergedWithSectionOri)) { | |
3280 | // Store section in the map | |
3281 | MergedWithSections.Bind(section,section); | |
3282 | // Iterate on edges merged with section | |
3283 | Standard_Integer ii = 1; | |
3284 | while (ii <= seqMergedWithSection.Length()) { | |
3285 | TopoDS_Shape iedge = seqMergedWithSection.Value(ii); | |
3286 | // Remove edge if recorded as merged | |
3287 | Standard_Boolean isRejected = (myMergedEdges.Contains(iedge) || MergedWithSections.IsBound(iedge)); | |
3288 | if (!isRejected) { | |
3289 | if (myBoundSections.IsBound(iedge)) { | |
3290 | // Edge is splitted - check sections | |
3291 | TopTools_ListIteratorOfListOfShape lit(myBoundSections(iedge)); | |
3292 | for (; lit.More() && !isRejected; lit.Next()) { | |
3293 | const TopoDS_Shape& sec = lit.Value(); | |
3294 | // Remove edge (bound) if at least one of its sections already merged | |
3295 | isRejected = (myMergedEdges.Contains(sec) || MergedWithSections.IsBound(sec)); | |
3296 | } | |
3297 | } | |
3298 | if (!isRejected) { | |
3299 | if (mySectionBound.IsBound(iedge)) { | |
3300 | // Edge is a section - check bound | |
3301 | const TopoDS_Shape& bnd = mySectionBound(iedge); | |
3302 | // Remove edge (section) if its bound already merged | |
3303 | isRejected = (myMergedEdges.Contains(bnd) || MergedWithSections.IsBound(bnd)); | |
3304 | } | |
3305 | } | |
3306 | } | |
3307 | // To the next merged edge | |
3308 | if (isRejected) { | |
3309 | // Remove rejected edge | |
3310 | seqMergedWithSection.Remove(ii); | |
3311 | seqMergedWithSectionOri.Remove(ii); | |
3312 | } | |
3313 | else { | |
3314 | // Process accepted edge | |
3315 | MergedWithSections.Bind(iedge,iedge); | |
3316 | ii++; | |
3317 | } | |
3318 | } | |
3319 | Standard_Integer nbMerged = seqMergedWithSection.Length(); | |
3320 | if (nbMerged) { | |
3321 | // Create same parameter edge | |
3322 | TopTools_MapOfShape ActuallyMerged; | |
3323 | TopoDS_Edge MergedEdge = SameParameterEdge(section,seqMergedWithSection, | |
3324 | seqMergedWithSectionOri, | |
3325 | ActuallyMerged,SectionsReShape); | |
3326 | Standard_Boolean isForward = Standard_False; | |
3327 | if (!MergedEdge.IsNull()) isForward = (MergedEdge.Orientation() == TopAbs_FORWARD); | |
3328 | // Process actually merged edges | |
3329 | Standard_Integer nbActuallyMerged = 0; | |
3330 | for (ii = 1; ii <= nbMerged; ii++) { | |
3331 | TopoDS_Shape iedge = seqMergedWithSection(ii); | |
3332 | if (ActuallyMerged.Contains(iedge)) { | |
3333 | nbActuallyMerged++; | |
3334 | // Record merged edge in the map | |
3335 | TopAbs_Orientation orient = iedge.Orientation(); | |
3336 | if (!isForward) orient = TopAbs::Reverse(orient); | |
3337 | if (!seqMergedWithSectionOri(ii)) orient = TopAbs::Reverse(orient); | |
3338 | TopoDS_Shape oedge = MergedEdge.Oriented(orient); | |
3339 | MergedWithSections.ChangeFind(iedge) = oedge; | |
3340 | ReplaceEdge(myReShape->Apply(iedge),oedge,SectionsReShape); | |
3341 | } | |
3342 | else MergedWithSections.UnBind(iedge); | |
3343 | } | |
3344 | if (nbActuallyMerged) { | |
3345 | // Record merged section in the map | |
3346 | TopAbs_Orientation orient = section.Orientation(); | |
3347 | if (!isForward) orient = TopAbs::Reverse(orient); | |
3348 | TopoDS_Shape oedge = MergedEdge.Oriented(orient); | |
3349 | MergedWithSections.ChangeFind(section) = oedge; | |
3350 | ReplaceEdge(myReShape->Apply(section),oedge,SectionsReShape); | |
3351 | } | |
3352 | nbMerged = nbActuallyMerged; | |
3353 | } | |
3354 | // Remove section from the map if not finally merged | |
3355 | if (!nbMerged) MergedWithSections.UnBind(section); | |
3356 | } | |
3357 | else if (isMerged) { | |
3358 | // Reject merging of sections | |
3359 | MergedWithSections.Clear(); | |
3360 | break; | |
3361 | } | |
3362 | } | |
3363 | } | |
3364 | Standard_Boolean isMergedSplit = MergedWithSections.Extent(); | |
3365 | ||
3366 | if (!isMerged && !isMergedSplit) { | |
3367 | // Nothing was merged in this iteration | |
3368 | if (isPrevSplit) { | |
3369 | // Replace previously splitted bound | |
3370 | myReShape->Replace(myReShape->Apply(bound),myReShape->Apply(BoundWire)); | |
3371 | } | |
3372 | // else if (hasCuttingSections) { | |
3373 | // myBoundSections.UnBind(bound); //szv: are you sure ??? | |
3374 | // } | |
3375 | continue; | |
3376 | } | |
3377 | ||
3378 | // Set splitting flag | |
3379 | Standard_Boolean isSplitted = ((!isMerged && isMergedSplit) || isPrevSplit); | |
3380 | ||
3381 | // Choose between bound and sections merging | |
3382 | if (isMerged && isMergedSplit && !isPrevSplit) { | |
3383 | // Fill map of merged cutting sections | |
3384 | TopTools_MapOfShape MapSplitEdges; | |
3385 | TopTools_DataMapIteratorOfDataMapOfShapeShape itm; | |
3386 | for (itm.Initialize(MergedWithSections); itm.More(); itm.Next()) { | |
3387 | TopoDS_Shape edge = itm.Key(); | |
3388 | MapSplitEdges.Add(edge); | |
3389 | } | |
3390 | // Iterate on edges merged with bound | |
3391 | for (itm.Initialize(MergedWithBound); itm.More(); itm.Next()) { | |
3392 | // Retrieve edge merged with bound | |
3393 | TopoDS_Shape edge = itm.Key(); | |
3394 | // Remove edge from the map | |
3395 | if (MapSplitEdges.Contains(edge)) MapSplitEdges.Remove(edge); | |
3396 | if (myBoundSections.IsBound(edge)) { | |
3397 | // Edge has cutting sections | |
3398 | TopTools_ListIteratorOfListOfShape its(myBoundSections(edge)); | |
3399 | for (; its.More(); its.Next()) { | |
3400 | TopoDS_Shape sec = its.Value(); | |
3401 | // Remove section from the map | |
3402 | if (MapSplitEdges.Contains(sec)) MapSplitEdges.Remove(sec); | |
3403 | } | |
3404 | } | |
3405 | } | |
3406 | // Calculate section merging tolerance | |
3407 | Standard_Real MinSplitTol = RealLast(); | |
3408 | TopTools_MapIteratorOfMapOfShape im(MapSplitEdges); | |
3409 | for (; im.More(); im.Next()) { | |
3410 | TopoDS_Edge edge = TopoDS::Edge(MergedWithSections(im.Key())); | |
3411 | MinSplitTol = Min(MinSplitTol,BRep_Tool::Tolerance(edge)); | |
3412 | } | |
3413 | // Calculate bound merging tolerance | |
3414 | TopoDS_Edge BoundEdge = TopoDS::Edge(MergedWithBound(bound)); | |
3415 | Standard_Real BoundEdgeTol = BRep_Tool::Tolerance(BoundEdge); | |
3416 | isSplitted = ((MinSplitTol < BoundEdgeTol+MinTolerance()) || myNonmanifold); | |
3417 | isSplitted = (!MapSplitEdges.IsEmpty() && isSplitted); | |
3418 | } | |
3419 | ||
3420 | if (isSplitted) { | |
3421 | // Merging of cutting sections | |
3422 | //myMergedEdges.Add(bound); | |
3423 | myReShape->Replace(myReShape->Apply(bound),myReShape->Apply(BoundWire)); | |
3424 | TopTools_DataMapIteratorOfDataMapOfShapeShape itm(MergedWithSections); | |
3425 | for (; itm.More(); itm.Next()) { | |
3426 | TopoDS_Shape oldedge = itm.Key(); | |
3427 | TopoDS_Shape newedge = SectionsReShape->Apply(itm.Value()); | |
3428 | ReplaceEdge(myReShape->Apply(oldedge),newedge,myReShape); | |
3429 | myMergedEdges.Add(oldedge); | |
3430 | if (myBoundSections.IsBound(oldedge)) myBoundSections.UnBind(oldedge); | |
3431 | ||
3432 | } | |
3433 | } | |
3434 | else { | |
3435 | // Merging of initial bound | |
3436 | TopTools_DataMapIteratorOfDataMapOfShapeShape itm(MergedWithBound); | |
3437 | //myMergedEdges.Add(bound); | |
3438 | for (; itm.More(); itm.Next()) { | |
3439 | TopoDS_Shape oldedge = itm.Key(); | |
3440 | TopoDS_Shape newedge = itm.Value(); | |
3441 | ReplaceEdge(myReShape->Apply(oldedge),newedge,myReShape); | |
3442 | myMergedEdges.Add(oldedge); | |
3443 | if (myBoundSections.IsBound(oldedge)) myBoundSections.UnBind(oldedge); | |
3444 | } | |
3445 | if (myBoundSections.IsBound(bound)) myBoundSections.UnBind(bound); | |
3446 | if(!myMergedEdges.Contains(bound)) | |
3447 | myMergedEdges.Add(bound); | |
3448 | } | |
3449 | } | |
3450 | ||
3451 | myNbVertices = myVertexNode.Extent() + myVertexNodeFree.Extent(); | |
3452 | myNodeSections.Clear(); | |
3453 | myVertexNode.Clear(); | |
3454 | myVertexNodeFree.Clear(); | |
3455 | myCuttingNode.Clear(); | |
3456 | } | |
3457 | ||
3458 | //======================================================================= | |
3459 | //function : MergedNearestEdges | |
3460 | //purpose : | |
3461 | //======================================================================= | |
3462 | ||
3463 | Standard_Boolean BRepBuilderAPI_Sewing::MergedNearestEdges(const TopoDS_Shape& edge, | |
3464 | TopTools_SequenceOfShape& SeqMergedEdge, | |
3465 | TColStd_SequenceOfInteger& SeqMergedOri) | |
3466 | { | |
3467 | // Retrieve edge nodes | |
3468 | TopoDS_Vertex no1, no2; | |
3469 | TopExp::Vertices(TopoDS::Edge(edge),no1,no2); | |
3470 | TopoDS_Shape nno1 = no1, nno2 = no2; | |
3471 | Standard_Boolean isNode1 = myVertexNode.Contains(no1); | |
3472 | Standard_Boolean isNode2 = myVertexNode.Contains(no2); | |
3473 | if (isNode1) nno1 = myVertexNode.FindFromKey(no1); | |
3474 | if (isNode2) nno2 = myVertexNode.FindFromKey(no2); | |
3475 | ||
3476 | // Fill map of nodes connected to the node #1 | |
3477 | TopTools_MapOfShape mapVert1; | |
3478 | mapVert1.Add(nno1); | |
3479 | if (myCuttingNode.IsBound(nno1)) { | |
3480 | TopTools_ListIteratorOfListOfShape ilv(myCuttingNode(nno1)); | |
3481 | for (; ilv.More(); ilv.Next()) { | |
3482 | TopoDS_Shape v1 = ilv.Value(); | |
3483 | mapVert1.Add(v1); | |
3484 | if (!isNode1 && myCuttingNode.IsBound(v1)) { | |
3485 | TopTools_ListIteratorOfListOfShape ilvn(myCuttingNode(v1)); | |
3486 | for (; ilvn.More(); ilvn.Next()) { | |
3487 | TopoDS_Shape vn = ilvn.Value(); | |
3488 | mapVert1.Add(vn); | |
3489 | } | |
3490 | } | |
3491 | } | |
3492 | } | |
3493 | ||
3494 | // Fill map of nodes connected to the node #2 | |
3495 | TopTools_MapOfShape mapVert2; | |
3496 | mapVert2.Add(nno2); | |
3497 | if (myCuttingNode.IsBound(nno2)) { | |
3498 | TopTools_ListIteratorOfListOfShape ilv(myCuttingNode(nno2)); | |
3499 | for (; ilv.More(); ilv.Next()) { | |
3500 | TopoDS_Shape v1 = ilv.Value(); | |
3501 | mapVert2.Add(v1); | |
3502 | if (!isNode2 && myCuttingNode.IsBound(v1)) { | |
3503 | TopTools_ListIteratorOfListOfShape ilvn(myCuttingNode(v1)); | |
3504 | for (; ilvn.More(); ilvn.Next()) { | |
3505 | TopoDS_Shape vn = ilvn.Value(); | |
3506 | mapVert2.Add(vn); | |
3507 | } | |
3508 | } | |
3509 | } | |
3510 | } | |
3511 | ||
3512 | // Find all possible contigous edges | |
3513 | TopTools_SequenceOfShape seqEdges; | |
3514 | seqEdges.Append(edge); | |
3515 | TopTools_MapOfShape mapEdges; | |
3516 | mapEdges.Add(edge); | |
3517 | for (TopTools_MapIteratorOfMapOfShape imv1(mapVert1); imv1.More(); imv1.Next()) { | |
3518 | TopoDS_Shape node1 = imv1.Key(); | |
3519 | if (!myNodeSections.IsBound(node1)) continue; | |
3520 | TopTools_ListIteratorOfListOfShape ilsec(myNodeSections(node1)); | |
3521 | for (; ilsec.More(); ilsec.Next()) { | |
3522 | TopoDS_Shape sec = ilsec.Value(); | |
3523 | if (sec.IsSame(edge)) continue; | |
3524 | // Retrieve section nodes | |
3525 | TopoDS_Vertex vs1, vs2; | |
3526 | TopExp::Vertices(TopoDS::Edge(sec),vs1,vs2); | |
3527 | TopoDS_Shape vs1n = vs1, vs2n = vs2; | |
3528 | if (myVertexNode.Contains(vs1)) vs1n = myVertexNode.FindFromKey(vs1); | |
3529 | if (myVertexNode.Contains(vs2)) vs2n = myVertexNode.FindFromKey(vs2); | |
3530 | if ((mapVert1.Contains(vs1n) && mapVert2.Contains(vs2n)) || | |
3531 | (mapVert1.Contains(vs2n) && mapVert2.Contains(vs1n))) | |
3532 | if (mapEdges.Add(sec)) { | |
3533 | // Check for rejected cutting | |
3534 | Standard_Boolean isRejected = myMergedEdges.Contains(sec); | |
3535 | if(!isRejected && myBoundSections.IsBound(sec)) | |
3536 | { | |
3537 | TopTools_ListIteratorOfListOfShape its(myBoundSections(sec)); | |
3538 | for (; its.More() && !isRejected; its.Next()) { | |
3539 | TopoDS_Shape section = its.Value(); | |
3540 | ||
3541 | if (myMergedEdges.Contains(section)) | |
3542 | isRejected = Standard_True; | |
3543 | } | |
3544 | } | |
3545 | if( !isRejected && mySectionBound.IsBound(sec)) { | |
3546 | const TopoDS_Shape& bnd = mySectionBound(sec); | |
3547 | isRejected = (!myBoundSections.IsBound(bnd) || | |
3548 | myMergedEdges.Contains(bnd)); | |
3549 | } | |
3550 | ||
3551 | if (!isRejected) seqEdges.Append(sec); | |
3552 | } | |
3553 | } | |
3554 | } | |
3555 | ||
3556 | mapEdges.Clear(); | |
3557 | ||
3558 | Standard_Boolean success = Standard_False; | |
3559 | ||
3560 | Standard_Integer nbSection = seqEdges.Length(); | |
3561 | if (nbSection > 1) { | |
3562 | // Find the longest edge CCI60011 | |
3563 | Standard_Integer i, indRef = 1; | |
3564 | if (myNonmanifold) { | |
3565 | Standard_Real lenRef = 0.; | |
3566 | for (i = 1; i <= nbSection; i++) { | |
3567 | Standard_Real f, l; | |
3568 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(TopoDS::Edge(seqEdges(i)), f, l); | |
3569 | GeomAdaptor_Curve cAdapt(c3d); | |
3570 | Standard_Real len = GCPnts_AbscissaPoint::Length(cAdapt, f, l); | |
3571 | if (len > lenRef) { indRef = i; lenRef = len; } | |
3572 | } | |
3573 | if (indRef != 1) { | |
3574 | TopoDS_Shape longEdge = seqEdges(indRef); | |
3575 | seqEdges(indRef) = seqEdges(1); | |
3576 | seqEdges(1) = longEdge; | |
3577 | } | |
3578 | } | |
3579 | ||
3580 | // Find merging candidates | |
3581 | TColStd_SequenceOfInteger seqForward; | |
3582 | TColStd_SequenceOfInteger seqCandidates; | |
3583 | TColStd_IndexedMapOfInteger mapReference; | |
5b14f800 | 3584 | mapReference.Add(indRef); // Add index of reference section |
7fd59977 | 3585 | if (FindCandidates(seqEdges,mapReference,seqCandidates,seqForward)) { |
3586 | Standard_Integer nbCandidates = seqCandidates.Length(); | |
7fd59977 | 3587 | // Record candidate sections |
3588 | for (i = 1; i <= nbCandidates; i++) { | |
3589 | // Retrieve merged edge | |
3590 | TopoDS_Shape iedge = seqEdges(seqCandidates(i)); | |
5b14f800 | 3591 | Standard_Integer ori = (seqForward(i))? 1 : 0; |
7fd59977 | 3592 | SeqMergedEdge.Append(iedge); |
3593 | SeqMergedOri.Append(ori); | |
3594 | if (!myNonmanifold) break; | |
3595 | } | |
3596 | success = nbCandidates; | |
3597 | } | |
3598 | } | |
3599 | ||
3600 | return success; | |
3601 | } | |
3602 | ||
3603 | //======================================================================= | |
3604 | //function : Cutting | |
3605 | //purpose : Modifies : | |
3606 | // myBoundSections | |
3607 | // myNodeSections | |
3608 | // myCuttingNode | |
3609 | //======================================================================= | |
3610 | ||
92434a36 | 3611 | void BRepBuilderAPI_Sewing::Cutting(const Handle(Message_ProgressIndicator)& thePI) |
7fd59977 | 3612 | { |
3613 | Standard_Integer i, nbVertices = myVertexNode.Extent(); | |
3614 | if (!nbVertices) return; | |
82192477 | 3615 | // Create a box tree with vertices |
7fd59977 | 3616 | Standard_Real eps = myTolerance*0.5; |
82192477 | 3617 | BRepBuilderAPI_BndBoxTree aTree; |
3618 | NCollection_UBTreeFiller <Standard_Integer, Bnd_Box> aTreeFiller (aTree); | |
3619 | BRepBuilderAPI_BndBoxTreeSelector aSelector; | |
7fd59977 | 3620 | for (i = 1; i <= nbVertices; i++) { |
3621 | gp_Pnt pt = BRep_Tool::Pnt(TopoDS::Vertex(myVertexNode.FindKey(i))); | |
3622 | Bnd_Box aBox; | |
3623 | aBox.Set(pt); | |
3624 | aBox.Enlarge(eps); | |
82192477 | 3625 | aTreeFiller.Add (i, aBox); |
7fd59977 | 3626 | } |
82192477 | 3627 | aTreeFiller.Fill(); |
3628 | ||
7fd59977 | 3629 | Handle(Geom_Curve) c3d; |
3630 | TopLoc_Location loc; | |
3631 | Standard_Real first, last; | |
3632 | // Iterate on all boundaries | |
3633 | Standard_Integer nbBounds = myBoundFaces.Extent(); | |
92434a36 A |
3634 | Message_ProgressSentry aPS (thePI, "Cutting bounds", 0, nbBounds, 1); |
3635 | for (i = 1; i <= nbBounds && aPS.More(); i++, aPS.Next()) { | |
7fd59977 | 3636 | const TopoDS_Edge& bound = TopoDS::Edge(myBoundFaces.FindKey(i)); |
3637 | // Do not cut floating edges | |
3638 | if (!myBoundFaces(i).Extent()) continue; | |
de10d8b1 | 3639 | // Obtain bound curve |
3640 | c3d = BRep_Tool::Curve(bound, loc, first, last); | |
3641 | if (c3d.IsNull()) continue; | |
3642 | if (!loc.IsIdentity()) { | |
3643 | c3d = Handle(Geom_Curve)::DownCast(c3d->Copy()); | |
3644 | c3d->Transform(loc.Transformation()); | |
3645 | } | |
7fd59977 | 3646 | // Create cutting sections |
3647 | TopTools_ListOfShape listSections; | |
3648 | { //szv: Use brackets to destroy local variables | |
7fd59977 | 3649 | // Obtain candidate vertices |
3650 | TopoDS_Vertex V1, V2; | |
3651 | TopTools_IndexedMapOfShape CandidateVertices; | |
3652 | { //szv: Use brackets to destroy local variables | |
3653 | // Create bounding box around curve | |
3654 | Bnd_Box aGlobalBox; | |
3655 | GeomAdaptor_Curve adptC(c3d,first,last); | |
3656 | BndLib_Add3dCurve::Add(adptC,myTolerance,aGlobalBox); | |
3657 | // Sort vertices to find candidates | |
82192477 | 3658 | aSelector.SetCurrent (aGlobalBox); |
3659 | aTree.Select (aSelector); | |
7fd59977 | 3660 | // Skip bound if no node is in the boundind box |
82192477 | 3661 | if (!aSelector.ResInd().Extent()) continue; |
7fd59977 | 3662 | // Retrieve bound nodes |
3663 | TopExp::Vertices(bound,V1,V2); | |
3664 | const TopoDS_Shape& Node1 = myVertexNode.FindFromKey(V1); | |
3665 | const TopoDS_Shape& Node2 = myVertexNode.FindFromKey(V2); | |
3666 | // Fill map of candidate vertices | |
82192477 | 3667 | TColStd_ListIteratorOfListOfInteger itl(aSelector.ResInd()); |
7fd59977 | 3668 | for (; itl.More(); itl.Next()) { |
3669 | const Standard_Integer index = itl.Value(); | |
3670 | const TopoDS_Shape& Node = myVertexNode.FindFromIndex(index); | |
3671 | if (!Node.IsSame(Node1) && !Node.IsSame(Node2)) { | |
3672 | TopoDS_Shape vertex = myVertexNode.FindKey(index); | |
3673 | CandidateVertices.Add(vertex); | |
3674 | } | |
3675 | } | |
82192477 | 3676 | aSelector.ClearResList(); |
7fd59977 | 3677 | } |
3678 | Standard_Integer nbCandidates = CandidateVertices.Extent(); | |
3679 | if (!nbCandidates) continue; | |
3680 | // Project vertices on curve | |
3681 | TColStd_Array1OfReal arrPara(1,nbCandidates), arrDist(1,nbCandidates); | |
3682 | TColgp_Array1OfPnt arrPnt(1,nbCandidates), arrProj(1,nbCandidates); | |
3683 | for (Standard_Integer j = 1; j <= nbCandidates; j++) | |
3684 | arrPnt(j) = BRep_Tool::Pnt(TopoDS::Vertex(CandidateVertices(j))); | |
2028d00c | 3685 | ProjectPointsOnCurve(arrPnt,c3d,first,last,arrDist,arrPara,arrProj,Standard_True); |
7fd59977 | 3686 | // Create cutting nodes |
3687 | TopTools_SequenceOfShape seqNode; | |
3688 | TColStd_SequenceOfReal seqPara; | |
3689 | CreateCuttingNodes(CandidateVertices,bound, | |
3690 | V1,V2,arrDist,arrPara,arrProj,seqNode,seqPara); | |
3691 | if (!seqPara.Length()) continue; | |
3692 | // Create cutting sections | |
3693 | CreateSections(bound, seqNode, seqPara, listSections); | |
3694 | } | |
3695 | if (listSections.Extent() > 1) { | |
3696 | // modification of maps: | |
3697 | // myBoundSections | |
3698 | TopTools_ListIteratorOfListOfShape its(listSections); | |
3699 | for (; its.More(); its.Next()) { | |
3700 | TopoDS_Shape section = its.Value(); | |
3701 | // Iterate on section vertices | |
3702 | for (TopoDS_Iterator itv(section); itv.More(); itv.Next()) { | |
3703 | TopoDS_Shape vertex = itv.Value(); | |
3704 | // Convert vertex to node | |
3705 | if (myVertexNode.Contains(vertex)) | |
3706 | vertex = TopoDS::Vertex(myVertexNode.FindFromKey(vertex)); | |
3707 | // Update node sections | |
3708 | if (myNodeSections.IsBound(vertex)) | |
3709 | myNodeSections.ChangeFind(vertex).Append(section); | |
3710 | else { | |
3711 | TopTools_ListOfShape lsec; | |
3712 | lsec.Append(section); | |
3713 | myNodeSections.Bind(vertex,lsec); | |
3714 | } | |
3715 | } | |
3716 | // Store bound for section | |
3717 | mySectionBound.Bind(section,bound); | |
3718 | } | |
3719 | // Store splitted bound | |
3720 | myBoundSections.Bind(bound,listSections); | |
3721 | } | |
3722 | } | |
0797d9d3 | 3723 | #ifdef OCCT_DEBUG |
7fd59977 | 3724 | cout << "From " << nbBounds << " bounds " << myBoundSections.Extent() |
3725 | << " were cut into " << mySectionBound.Extent() << " sections" << endl; | |
3726 | #endif | |
3727 | } | |
3728 | ||
3729 | //======================================================================= | |
3730 | //function : GetSeqEdges | |
3731 | //purpose : | |
3732 | //======================================================================= | |
3733 | ||
3734 | static void GetSeqEdges(const TopoDS_Shape& edge, | |
3735 | TopTools_SequenceOfShape& seqEdges, | |
3736 | TopTools_DataMapOfShapeListOfShape& VertEdge) | |
3737 | { | |
3738 | Standard_Integer numV = 0; | |
3739 | for (TopoDS_Iterator Iv(edge,Standard_False); Iv.More(); Iv.Next()) { | |
3740 | TopoDS_Vertex V1 = TopoDS::Vertex(Iv.Value()); | |
3741 | numV++; | |
3742 | if (VertEdge.IsBound(V1)) { | |
3743 | const TopTools_ListOfShape& listEdges = VertEdge.Find(V1); | |
3744 | for (TopTools_ListIteratorOfListOfShape lIt(listEdges); lIt.More(); lIt.Next()) { | |
3745 | TopoDS_Shape edge1 = lIt.Value(); | |
3746 | if (edge1.IsSame(edge)) continue; | |
3747 | Standard_Boolean isContained = Standard_False; | |
3748 | Standard_Integer i, index = 1; | |
3749 | for (i = 1; i <= seqEdges.Length() && !isContained; i++) { | |
3750 | isContained = seqEdges.Value(i).IsSame(edge1); | |
3751 | if (!isContained && seqEdges.Value(i).IsSame(edge)) index = i; | |
3752 | } | |
3753 | if (!isContained) { | |
3754 | if (numV == 1) seqEdges.InsertBefore(index,edge1); | |
3755 | else seqEdges.InsertAfter(index,edge1); | |
3756 | GetSeqEdges(edge1,seqEdges,VertEdge); | |
3757 | } | |
3758 | } | |
3759 | } | |
3760 | } | |
3761 | } | |
3762 | ||
3763 | //======================================================================= | |
3764 | //function : GetFreeWires | |
3765 | //purpose : | |
3766 | //======================================================================= | |
3767 | ||
3768 | void BRepBuilderAPI_Sewing::GetFreeWires(TopTools_MapOfShape& MapFreeEdges, TopTools_SequenceOfShape& seqWires) | |
3769 | { | |
3770 | TopTools_DataMapOfShapeListOfShape VertEdge; | |
3771 | TopTools_MapIteratorOfMapOfShape itMap(MapFreeEdges); | |
3772 | TopTools_SequenceOfShape seqFreeEdges; | |
3773 | for (; itMap.More(); itMap.Next()) { | |
3774 | TopoDS_Shape edge = itMap.Key(); | |
3775 | seqFreeEdges.Append(edge); | |
3776 | for (TopoDS_Iterator Iv(edge,Standard_False); Iv.More(); Iv.Next()) { | |
3777 | TopoDS_Vertex V1 = TopoDS::Vertex(Iv.Value()); | |
3778 | if (VertEdge.IsBound(V1)) | |
3779 | VertEdge.ChangeFind(V1).Append(edge); | |
3780 | else { | |
3781 | TopTools_ListOfShape ls; | |
3782 | ls.Append(edge); | |
3783 | VertEdge.Bind(V1,ls); | |
3784 | } | |
3785 | } | |
3786 | } | |
3787 | BRep_Builder B; | |
3788 | Standard_Integer i, j; | |
3789 | for (i = 1; i <= seqFreeEdges.Length(); i++) { | |
3790 | TopTools_SequenceOfShape seqEdges; | |
3791 | TopoDS_Shape edge = seqFreeEdges.Value(i); | |
3792 | if (!MapFreeEdges.Contains(edge)) continue; | |
3793 | seqEdges.Append(edge); | |
3794 | GetSeqEdges(edge,seqEdges,VertEdge); | |
3795 | TopoDS_Wire wire; | |
3796 | B.MakeWire(wire); | |
3797 | for (j = 1; j <= seqEdges.Length(); j++) { | |
3798 | B.Add(wire,seqEdges.Value(j)); | |
3799 | MapFreeEdges.Remove(seqEdges.Value(j)); | |
3800 | } | |
3801 | seqWires.Append(wire); | |
3802 | if (MapFreeEdges.IsEmpty()) break; | |
3803 | } | |
3804 | } | |
3805 | ||
3806 | //======================================================================= | |
3807 | //function : IsDegeneratedWire | |
3808 | //purpose : internal use | |
3809 | //======================================================================= | |
3810 | ||
3811 | static Standard_Boolean IsDegeneratedWire(const TopoDS_Shape& wire) | |
3812 | { | |
3813 | if (wire.ShapeType() != TopAbs_WIRE) return Standard_False; | |
3814 | // Get maximal vertices tolerance | |
3815 | TopoDS_Vertex V1,V2; | |
3816 | //TopExp::Vertices(TopoDS::Wire(wire),V1,V2); | |
3817 | //Standard_Real tol = Max(BRep_Tool::Tolerance(V1),BRep_Tool::Tolerance(V2)); | |
3818 | Standard_Real wireLength = 0.0; | |
3819 | TopLoc_Location loc; | |
3820 | Standard_Real first, last; | |
3821 | Standard_Integer nume = 0; | |
3822 | Standard_Integer isSmall = 0; | |
3823 | for (TopoDS_Iterator aIt(wire,Standard_False); aIt.More(); aIt.Next()) { | |
3824 | nume++; | |
3825 | TopoDS_Shape edge = aIt.Value(); | |
3826 | TopoDS_Vertex Ve1,Ve2; | |
3827 | TopExp::Vertices(TopoDS::Edge(edge),Ve1,Ve2); | |
3828 | if(nume == 1) { | |
3829 | V1 = Ve1; | |
3830 | V2 = Ve2; | |
3831 | } | |
3832 | else { | |
3833 | if(Ve1.IsSame(V1)) | |
3834 | V1 = Ve2; | |
3835 | else if(Ve1.IsSame(V2)) | |
3836 | V2 = Ve2; | |
3837 | if(Ve2.IsSame(V1)) | |
3838 | V1 = Ve1; | |
3839 | else if(Ve2.IsSame(V2)) | |
3840 | V2 = Ve1; | |
3841 | } | |
3842 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(TopoDS::Edge(aIt.Value()),loc,first,last); | |
3843 | if (!c3d.IsNull()) { | |
3844 | c3d = Handle(Geom_Curve)::DownCast(c3d->Copy()); | |
3845 | if (!loc.IsIdentity()) { | |
3846 | //c3d = Handle(Geom_Curve)::DownCast(c3d->Copy()); | |
3847 | c3d->Transform(loc.Transformation()); | |
3848 | } | |
3849 | gp_Pnt pfirst = c3d->Value(first); | |
3850 | gp_Pnt plast = c3d->Value(last); | |
3851 | gp_Pnt pmid = c3d->Value((first +last)*0.5); | |
3852 | Standard_Real length =0; | |
3853 | if(pfirst.Distance(plast) > pfirst.Distance(pmid)) { | |
3854 | length = pfirst.Distance(plast); | |
3855 | } | |
3856 | else { | |
3857 | GeomAdaptor_Curve cAdapt(c3d); | |
3858 | length = GCPnts_AbscissaPoint::Length(cAdapt, first, last); | |
3859 | } | |
3860 | Standard_Real tole = BRep_Tool::Tolerance(Ve1)+BRep_Tool::Tolerance(Ve2); | |
3861 | if(length <= tole) isSmall++; | |
3862 | wireLength += length; | |
3863 | } | |
3864 | } | |
3865 | if(isSmall == nume) return Standard_True; | |
3866 | Standard_Real tol = BRep_Tool::Tolerance(V1)+BRep_Tool::Tolerance(V2);//Max(BRep_Tool::Tolerance(V1),BRep_Tool::Tolerance(V2)); | |
3867 | if (wireLength > tol) return Standard_False; | |
3868 | return Standard_True; | |
3869 | } | |
3870 | ||
3871 | //======================================================================= | |
3872 | //function : DegeneratedSection | |
3873 | //purpose : internal use | |
3874 | // create a new degenerated edge if the section is degenerated | |
3875 | //======================================================================= | |
3876 | ||
3877 | static TopoDS_Edge DegeneratedSection(const TopoDS_Shape& section, const TopoDS_Shape& face) | |
3878 | { | |
3879 | // Return if section is already degenerated | |
3880 | if (BRep_Tool::Degenerated(TopoDS::Edge(section))) return TopoDS::Edge(section); | |
3881 | ||
3882 | // Retrieve edge curve | |
3883 | TopLoc_Location loc; | |
3884 | Standard_Real first, last; | |
3885 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(TopoDS::Edge(section), loc, first, last); | |
3886 | if (c3d.IsNull()) { //gka | |
3887 | BRep_Builder aB; | |
3888 | TopoDS_Edge edge1 = TopoDS::Edge(section); | |
3889 | aB.Degenerated(edge1, Standard_True); | |
3890 | return edge1; | |
3891 | } | |
3892 | if (!loc.IsIdentity()) { | |
3893 | c3d = Handle(Geom_Curve)::DownCast(c3d->Copy()); | |
3894 | c3d->Transform(loc.Transformation()); | |
3895 | } | |
3896 | ||
3897 | // Test if the new edge is degenerated | |
3898 | TopoDS_Vertex v1,v2; | |
3899 | TopExp::Vertices(TopoDS::Edge(section),v1,v2); | |
3900 | //Standard_Real tol = Max(BRep_Tool::Tolerance(v1),BRep_Tool::Tolerance(v2)); | |
3901 | //tol = Max(tolerance,tol); | |
3902 | ||
3903 | gp_Pnt p1, p2, p3; | |
3904 | p1 = BRep_Tool::Pnt(v1); | |
3905 | p3 = BRep_Tool::Pnt(v2); | |
3906 | c3d->D0(0.5*(first + last),p2); | |
3907 | ||
3908 | //Standard_Boolean isDegenerated = Standard_False; | |
3909 | //if (p1.Distance(p3) < tol) { | |
3910 | //GeomAdaptor_Curve cAdapt(c3d); | |
3911 | //Standard_Real length = GCPnts_AbscissaPoint::Length(cAdapt, first, last); | |
3912 | //isDegenerated = Standard_True; //(length < tol); | |
3913 | //} | |
3914 | ||
3915 | TopoDS_Edge edge; | |
3916 | //if (!isDegenerated) return edge; | |
3917 | ||
3918 | // processing | |
3919 | BRep_Builder aBuilder; | |
3920 | edge = TopoDS::Edge(section); | |
3921 | edge.EmptyCopy(); | |
3922 | if (v1.IsSame(v2)) { | |
3923 | TopoDS_Shape anEdge = edge.Oriented(TopAbs_FORWARD); | |
3924 | aBuilder.Add(anEdge, v1.Oriented(TopAbs_FORWARD)); | |
3925 | aBuilder.Add(anEdge, v2.Oriented(TopAbs_REVERSED)); | |
3926 | } | |
3927 | else { | |
3928 | TopoDS_Vertex newVertex; | |
3929 | if (p1.Distance(p3) < BRep_Tool::Tolerance(v1)) | |
3930 | newVertex = v1; | |
3931 | else if (p1.Distance(p3) < BRep_Tool::Tolerance(v2)) | |
3932 | newVertex = v2; | |
3933 | else { | |
3934 | Standard_Real d1 = BRep_Tool::Tolerance(v1) + p2.Distance(p1); | |
3935 | Standard_Real d2 = BRep_Tool::Tolerance(v2) + p2.Distance(p3); | |
3936 | Standard_Real newTolerance = Max(d1,d2); | |
3937 | aBuilder.MakeVertex(newVertex, p2, newTolerance); | |
3938 | } | |
3939 | TopoDS_Shape anEdge = edge.Oriented(TopAbs_FORWARD); | |
3940 | aBuilder.Add(anEdge, newVertex.Oriented(TopAbs_FORWARD)); | |
3941 | aBuilder.Add(anEdge, newVertex.Oriented(TopAbs_REVERSED)); | |
3942 | } | |
3943 | ||
3944 | BRep_Tool::Range(TopoDS::Edge(section), first, last); | |
3945 | TopoDS_Shape anEdge = edge.Oriented(TopAbs_FORWARD); | |
3946 | aBuilder.Range(TopoDS::Edge(anEdge), first, last); | |
3947 | aBuilder.Degenerated(edge, Standard_True); | |
3948 | Handle(Geom_Curve) aC3dNew; | |
3949 | if (!face.IsNull()) { | |
3950 | Standard_Real af,al; | |
3951 | Handle(Geom2d_Curve) aC2dt = BRep_Tool::CurveOnSurface(TopoDS::Edge(section),TopoDS::Face(face),af,al); | |
3952 | aBuilder.UpdateEdge(edge,aC3dNew,0); | |
3953 | Handle(Geom2d_Curve) aC2dn = BRep_Tool::CurveOnSurface(edge,TopoDS::Face(face),af,al); | |
3954 | if (aC2dn.IsNull()) | |
3955 | aBuilder.UpdateEdge(edge,aC2dt,TopoDS::Face(face),0); | |
3956 | } | |
3957 | ||
3958 | return edge; | |
3959 | } | |
3960 | ||
3961 | //======================================================================= | |
3962 | //function : EdgeProcessing | |
3963 | //purpose : modifies : | |
3964 | // myNbEdges | |
3965 | // myHasMultipleEdge | |
3966 | // myHasFreeBound | |
3967 | // . if multiple edge | |
3968 | // - length < 100.*myTolerance -> several free edge | |
3969 | // . if no multiple edge | |
3970 | // - make the contigous edges sameparameter | |
3971 | //======================================================================= | |
3972 | ||
92434a36 | 3973 | void BRepBuilderAPI_Sewing::EdgeProcessing(const Handle(Message_ProgressIndicator)& thePI) |
7fd59977 | 3974 | { |
3975 | // constructs sectionEdge | |
3976 | TopTools_MapOfShape MapFreeEdges; | |
3977 | TopTools_DataMapOfShapeShape EdgeFace; | |
92434a36 A |
3978 | Message_ProgressSentry aPS (thePI, "Edge processing", 0, myBoundFaces.Extent(), 1); |
3979 | for (Standard_Integer i = 1; i <= myBoundFaces.Extent() && aPS.More(); i++, aPS.Next()) { | |
7fd59977 | 3980 | const TopoDS_Shape& bound = myBoundFaces.FindKey(i); |
3981 | const TopTools_ListOfShape& listFaces = myBoundFaces(i); | |
3982 | if (listFaces.Extent() == 1) { | |
3983 | if (myBoundSections.IsBound(bound)) { | |
3984 | TopTools_ListIteratorOfListOfShape liter(myBoundSections(bound)); | |
3985 | for (; liter.More(); liter.Next()) { | |
3986 | if (!myMergedEdges.Contains(liter.Value())) { //myReShape->IsRecorded(liter.Value())) { | |
3987 | TopoDS_Shape edge = myReShape->Apply(liter.Value()); | |
3988 | if (!MapFreeEdges.Contains(edge)) { | |
3989 | TopoDS_Shape face = listFaces.First(); | |
3990 | EdgeFace.Bind(edge,face); | |
3991 | MapFreeEdges.Add(edge); | |
3992 | } | |
3993 | } | |
3994 | } | |
3995 | } | |
3996 | else { | |
3997 | if (!myMergedEdges.Contains(bound)) { | |
3998 | TopoDS_Shape edge = myReShape->Apply(bound); | |
3999 | if (!MapFreeEdges.Contains(edge)) { | |
4000 | TopoDS_Shape face = listFaces.First(); | |
4001 | EdgeFace.Bind(edge,face); | |
4002 | MapFreeEdges.Add(edge); | |
4003 | } | |
4004 | } | |
4005 | } | |
4006 | } | |
4007 | } | |
4008 | ||
4009 | if (!MapFreeEdges.IsEmpty()) { | |
4010 | TopTools_SequenceOfShape seqWires; | |
4011 | GetFreeWires(MapFreeEdges,seqWires); | |
4012 | for (Standard_Integer j = 1; j <= seqWires.Length(); j++) { | |
4013 | TopoDS_Wire wire = TopoDS::Wire(seqWires.Value(j)); | |
4014 | if (!IsDegeneratedWire(wire)) continue; | |
4015 | for (TopoDS_Iterator Ie(wire,Standard_False); Ie.More(); Ie.Next()) { | |
4016 | TopoDS_Shape aTmpShape = myReShape->Apply(Ie.Value()); //for porting | |
4017 | TopoDS_Edge edge = TopoDS::Edge(aTmpShape); | |
4018 | TopoDS_Shape face; | |
4019 | if (EdgeFace.IsBound(edge)) | |
4020 | face = EdgeFace.Find(edge); | |
4021 | TopoDS_Shape degedge = DegeneratedSection(edge,face); | |
4022 | if (degedge.IsNull()) continue; | |
4023 | if (!degedge.IsSame(edge)) | |
4024 | ReplaceEdge(edge,degedge,myReShape); | |
4025 | if (BRep_Tool::Degenerated(TopoDS::Edge(degedge))) | |
4026 | myDegenerated.Add(degedge); | |
4027 | } | |
4028 | } | |
4029 | } | |
4030 | myMergedEdges.Clear(); | |
4031 | } | |
4032 | ||
4033 | //======================================================================= | |
4034 | //function : CreateSewedShape | |
4035 | //purpose : | |
4036 | //======================================================================= | |
4037 | ||
4038 | void BRepBuilderAPI_Sewing::CreateSewedShape() | |
4039 | { | |
4040 | // --------------------- | |
4041 | // create the new shapes | |
4042 | // --------------------- | |
4043 | BRepTools_Quilt aQuilt; | |
4044 | Standard_Boolean isLocal = !myShape.IsNull(); | |
4045 | if (isLocal) { | |
4046 | // Local sewing | |
4047 | TopoDS_Shape ns = myReShape->Apply(myShape); | |
4048 | aQuilt.Add(ns); | |
4049 | } | |
4050 | Standard_Integer i; | |
4051 | for (i = 1; i <= myOldShapes.Extent(); i++) { | |
4052 | TopoDS_Shape sh = myOldShapes(i); | |
4053 | if (!sh.IsNull()) { | |
4054 | sh = myReShape->Apply(sh); | |
4055 | myOldShapes(i) = sh; | |
4056 | if (!isLocal) aQuilt.Add(sh); | |
4057 | } | |
4058 | } | |
4059 | TopoDS_Shape aNewShape = aQuilt.Shells(); | |
4060 | Standard_Integer numsh = 0; | |
4061 | ||
4062 | TopTools_IndexedMapOfShape OldShells; | |
4063 | ||
4064 | BRep_Builder aB; | |
4065 | TopoDS_Compound aComp; | |
4066 | aB.MakeCompound(aComp); | |
4067 | for (TopoDS_Iterator aExpSh(aNewShape,Standard_False); aExpSh.More(); aExpSh.Next()) { | |
4068 | TopoDS_Shape sh = aExpSh.Value(); | |
4069 | Standard_Boolean hasEdges = Standard_False; | |
4070 | if (sh.ShapeType() == TopAbs_SHELL) { | |
4071 | if (myNonmanifold) | |
4072 | hasEdges = !OldShells.Contains(sh); | |
4073 | else { | |
4074 | TopoDS_Shape face; | |
4075 | Standard_Integer numf = 0; | |
4076 | for (TopExp_Explorer aExpF(sh,TopAbs_FACE); aExpF.More() && (numf < 2); aExpF.Next()) { | |
4077 | face = aExpF.Current(); | |
4078 | numf++; | |
4079 | } | |
4080 | if (numf == 1) aB.Add(aComp,face); | |
4081 | else if (numf > 1) aB.Add(aComp,sh); | |
4082 | if (numf) numsh++; | |
4083 | } | |
4084 | } | |
4085 | else if (sh.ShapeType() == TopAbs_FACE) { | |
4086 | if (myNonmanifold) { | |
4087 | TopoDS_Shell ss; | |
4088 | aB.MakeShell(ss); | |
4089 | aB.Add(ss,sh); | |
4090 | sh = ss; | |
4091 | hasEdges = Standard_True; | |
4092 | } | |
4093 | else { aB.Add(aComp,sh); numsh++; } | |
4094 | } | |
4095 | else { aB.Add(aComp,sh); numsh++; } | |
4096 | if (hasEdges) OldShells.Add(sh); | |
4097 | } | |
4098 | // Process collected shells | |
4099 | if (myNonmanifold) { | |
4100 | Standard_Integer nbOldShells = OldShells.Extent(); | |
4101 | if (nbOldShells == 1) { | |
4102 | // Single shell - check for single face | |
4103 | TopoDS_Shape sh = OldShells.FindKey(1); | |
4104 | TopoDS_Shape face; | |
4105 | Standard_Integer numf = 0; | |
4106 | for (TopExp_Explorer aExpF(sh,TopAbs_FACE); aExpF.More() && (numf < 2); aExpF.Next()) { | |
4107 | face = aExpF.Current(); | |
4108 | numf++; | |
4109 | } | |
4110 | if (numf == 1) aB.Add(aComp,face); | |
4111 | else if (numf > 1) aB.Add(aComp,sh); | |
4112 | if (numf) numsh++; | |
4113 | } | |
4114 | else if (nbOldShells) { | |
4115 | // Several shells should be merged | |
4116 | TColStd_MapOfInteger IndexMerged; | |
4117 | while (IndexMerged.Extent() < nbOldShells) { | |
4118 | TopoDS_Shell NewShell; | |
4119 | TopTools_MapOfShape NewEdges; | |
4120 | for (i = 1; i <= nbOldShells; i++) { | |
4121 | if (IndexMerged.Contains(i)) continue; | |
4122 | TopoDS_Shell shell = TopoDS::Shell(OldShells.FindKey(i)); | |
4123 | if (NewShell.IsNull()) { | |
7fd59977 | 4124 | aB.MakeShell(NewShell); |
4125 | TopoDS_Iterator aItSS(shell) ; | |
4126 | for( ; aItSS.More(); aItSS.Next()) | |
4127 | aB.Add(NewShell,aItSS.Value()) | |
4128 | ; | |
4129 | // Fill map of edges | |
4130 | for (TopExp_Explorer eexp(shell,TopAbs_EDGE); eexp.More(); eexp.Next()) { | |
4131 | TopoDS_Shape edge = eexp.Current(); | |
4132 | NewEdges.Add(edge); | |
4133 | } | |
4134 | IndexMerged.Add(i); | |
4135 | } | |
4136 | else { | |
4137 | Standard_Boolean hasSharedEdge = Standard_False; | |
4138 | TopExp_Explorer eexp(shell,TopAbs_EDGE); | |
4139 | for (; eexp.More() && !hasSharedEdge; eexp.Next()) | |
4140 | hasSharedEdge = NewEdges.Contains(eexp.Current()); | |
4141 | if (hasSharedEdge) { | |
4142 | // Add edges to the map | |
4143 | for (TopExp_Explorer eexp1(shell,TopAbs_EDGE); eexp1.More(); eexp1.Next()) { | |
4144 | TopoDS_Shape edge = eexp1.Current(); | |
4145 | NewEdges.Add(edge); | |
4146 | } | |
4147 | // Add faces to the shell | |
4148 | for (TopExp_Explorer fexp(shell,TopAbs_FACE); fexp.More(); fexp.Next()) { | |
4149 | TopoDS_Shape face = fexp.Current(); | |
4150 | aB.Add(NewShell,face); | |
4151 | } | |
4152 | IndexMerged.Add(i); | |
4153 | } | |
4154 | } | |
4155 | } | |
4156 | // Process new shell | |
4157 | TopoDS_Shape face; | |
4158 | Standard_Integer numf = 0; | |
4159 | TopExp_Explorer aExpF(NewShell,TopAbs_FACE); | |
4160 | for (; aExpF.More() && (numf < 2); aExpF.Next()) { | |
4161 | face = aExpF.Current(); | |
4162 | numf++; | |
4163 | } | |
4164 | if (numf == 1) aB.Add(aComp,face); | |
4165 | else if (numf > 1) aB.Add(aComp,NewShell); | |
4166 | if (numf) numsh++; | |
4167 | } | |
4168 | } | |
4169 | } | |
4170 | if (numsh == 1) { | |
4171 | // Extract single component | |
4172 | TopoDS_Iterator aIt(aComp,Standard_False); | |
4173 | mySewedShape = aIt.Value(); | |
4174 | } | |
4175 | else | |
4176 | mySewedShape = aComp; | |
4177 | } | |
4178 | ||
4179 | //======================================================================= | |
4180 | //function : CreateOutputInformations | |
4181 | //purpose : constructs : | |
4182 | // myEdgeSections | |
4183 | // mySectionBound | |
4184 | // myNbFreeEdges | |
4185 | // myNbContigousEdges | |
4186 | // myNbMultipleEdges | |
4187 | // myNbDegenerated | |
4188 | //======================================================================= | |
4189 | ||
4190 | void BRepBuilderAPI_Sewing::CreateOutputInformations() | |
4191 | { | |
4192 | // Construct edgeSections | |
4193 | Standard_Integer i; | |
4194 | //TopTools_DataMapOfShapeListOfShape edgeSections; | |
4195 | TopTools_IndexedDataMapOfShapeListOfShape edgeSections; //use index map for regulating free edges | |
4196 | for (i = 1; i <= myBoundFaces.Extent(); i++) { | |
4197 | const TopoDS_Shape& bound = myBoundFaces.FindKey(i); | |
4198 | TopTools_ListOfShape lsect; | |
4199 | if (myBoundSections.IsBound(bound)) lsect = myBoundSections(bound); | |
4200 | TopExp_Explorer aExp(myReShape->Apply(bound),TopAbs_EDGE); | |
4201 | for (; aExp.More(); aExp.Next()) { | |
4202 | TopoDS_Shape sec = bound, edge = aExp.Current(); | |
4203 | TopTools_ListIteratorOfListOfShape aI(lsect); | |
4204 | for (; aI.More(); aI.Next()) { | |
4205 | const TopoDS_Shape& section = aI.Value(); | |
4206 | if (edge.IsSame(myReShape->Apply(section))) { sec = section; break; } | |
4207 | } | |
4208 | if (edgeSections.Contains(edge)) | |
4209 | edgeSections.ChangeFromKey(edge).Append(sec); | |
4210 | else { | |
4211 | TopTools_ListOfShape listSec; | |
4212 | listSec.Append(sec); | |
4213 | edgeSections.Add(edge,listSec); | |
4214 | } | |
4215 | } | |
4216 | } | |
4217 | ||
4218 | // Fill maps of Free, Contigous and Multiple edges | |
4219 | //TopTools_DataMapIteratorOfDataMapOfShapeListOfShape iter2(edgeSections); | |
4220 | for (i = 1; i <= edgeSections.Extent(); i++) { | |
4221 | const TopoDS_Shape& edge = edgeSections.FindKey(i); | |
4222 | const TopTools_ListOfShape& listSection = edgeSections(i); | |
4223 | if (listSection.Extent() == 1) { | |
4224 | if (BRep_Tool::Degenerated(TopoDS::Edge(edge))) | |
4225 | myDegenerated.Add(edge); | |
4226 | else | |
4227 | myFreeEdges.Add(edge); | |
4228 | } | |
4229 | else if (listSection.Extent() == 2) { | |
4230 | myContigousEdges.Add(edge,listSection); | |
4231 | } | |
4232 | else { | |
4233 | myMultipleEdges.Add(edge); | |
4234 | } | |
4235 | } | |
4236 | ||
4237 | // constructs myContigSectBound | |
4238 | TopTools_DataMapOfShapeListOfShape aEdgeMap; //gka | |
4239 | for (i = 1; i <= myBoundFaces.Extent(); i++) { | |
4240 | TopoDS_Shape bound = myBoundFaces.FindKey(i); | |
4241 | if (myBoundSections.IsBound(bound)) { | |
4242 | TopTools_ListIteratorOfListOfShape iter(myBoundSections(bound)); | |
4243 | for (; iter.More(); iter.Next()) { | |
4244 | TopoDS_Shape section = iter.Value(); | |
4245 | if(!myMergedEdges.Contains(section)) continue; | |
4246 | //if (!myReShape->IsRecorded(section)) continue; // section is free | |
4247 | TopoDS_Shape nedge = myReShape->Apply(section); | |
4248 | if (nedge.IsNull()) continue; //szv debug | |
4249 | if (!bound.IsSame(section)) | |
4250 | if (myContigousEdges.Contains(nedge)) | |
4251 | myContigSecBound.Bind(section, bound); | |
4252 | } | |
4253 | } | |
4254 | } | |
4255 | } | |
4256 | ||
4257 | //======================================================================= | |
4258 | //function : ProjectPointsOnCurve | |
4259 | //purpose : internal use | |
4260 | //======================================================================= | |
4261 | ||
4262 | void BRepBuilderAPI_Sewing::ProjectPointsOnCurve(const TColgp_Array1OfPnt& arrPnt, | |
4263 | const Handle(Geom_Curve)& c3d, | |
4264 | const Standard_Real first, | |
4265 | const Standard_Real last, | |
4266 | TColStd_Array1OfReal& arrDist, | |
4267 | TColStd_Array1OfReal& arrPara, | |
2028d00c G |
4268 | TColgp_Array1OfPnt& arrProj, |
4269 | const Standard_Boolean isConsiderEnds) const | |
7fd59977 | 4270 | { |
4271 | arrDist.Init(-1.0); | |
4272 | ||
4273 | GeomAdaptor_Curve GAC(c3d); | |
4274 | Extrema_ExtPC locProj; | |
4275 | locProj.Initialize(GAC, first, last); | |
4276 | gp_Pnt pfirst = GAC.Value(first), plast = GAC.Value(last); | |
47980104 | 4277 | Standard_Integer find = 1;//(isConsiderEnds ? 1 : 2); |
4278 | Standard_Integer lind = arrPnt.Length();//(isConsiderEnds ? arrPnt.Length() : arrPnt.Length() -1); | |
4279 | ||
4280 | for (Standard_Integer i1 = find; i1 <= lind ; i1++) { | |
7fd59977 | 4281 | gp_Pnt pt = arrPnt(i1); |
4282 | Standard_Real worktol = myTolerance; | |
4283 | Standard_Real distF2 = pfirst.SquareDistance(pt); | |
4284 | Standard_Real distL2 = plast.SquareDistance(pt); | |
4285 | Standard_Boolean isProjected = Standard_False; | |
4286 | try { | |
4287 | ||
4288 | // Project current point on curve | |
4289 | locProj.Perform(pt); | |
4290 | if (locProj.IsDone() && locProj.NbExt() > 0) { | |
47980104 | 4291 | Standard_Real dist2Min = (isConsiderEnds || i1 == find || i1 == lind ? Min(distF2,distL2) : Precision::Infinite()); |
7fd59977 | 4292 | Standard_Integer ind, indMin = 0; |
4293 | for (ind = 1; ind <= locProj.NbExt(); ind++) { | |
4294 | Standard_Real dProj2 = locProj.SquareDistance(ind); | |
4295 | if (dProj2 < dist2Min) { indMin = ind; dist2Min = dProj2; } | |
4296 | } | |
4297 | if (indMin) { | |
4298 | isProjected = Standard_True; | |
4299 | Extrema_POnCurv pOnC = locProj.Point(indMin); | |
4300 | Standard_Real paramProj = pOnC.Parameter(); | |
4301 | gp_Pnt ptProj = GAC.Value(paramProj); | |
4302 | Standard_Real distProj2 = ptProj.SquareDistance(pt); | |
4303 | if (!locProj.IsMin(indMin)) { | |
4304 | if (Min(distF2,distL2) < dist2Min) { | |
4305 | if (distF2 < distL2) { | |
4306 | paramProj = first; | |
4307 | distProj2 = distF2; | |
4308 | ptProj = pfirst; | |
4309 | } | |
4310 | else { | |
4311 | paramProj = last; | |
4312 | distProj2 = distL2; | |
4313 | ptProj = plast; | |
4314 | } | |
4315 | } | |
4316 | } | |
2c896b8f | 4317 | if (distProj2 < worktol * worktol || !isConsiderEnds) { |
7fd59977 | 4318 | arrDist(i1) = sqrt (distProj2); |
4319 | arrPara(i1) = paramProj; | |
4320 | arrProj(i1) = ptProj; | |
4321 | } | |
4322 | } | |
4323 | } | |
4324 | } | |
4325 | catch (Standard_Failure) { | |
4326 | worktol = MinTolerance(); | |
0797d9d3 | 4327 | #ifdef OCCT_DEBUG |
7fd59977 | 4328 | cout << "Exception in BRepBuilderAPI_Sewing::ProjectPointsOnCurve: "; |
4329 | Standard_Failure::Caught()->Print(cout); cout << endl; | |
4330 | #endif | |
4331 | } | |
2028d00c | 4332 | if (!isProjected && isConsiderEnds) { |
7fd59977 | 4333 | if (Min(distF2,distL2) < worktol * worktol) { |
4334 | if (distF2 < distL2) { | |
4335 | arrDist(i1) = sqrt (distF2); | |
4336 | arrPara(i1) = first; | |
4337 | arrProj(i1) = pfirst; | |
4338 | } | |
4339 | else { | |
4340 | arrDist(i1) = sqrt (distL2); | |
4341 | arrPara(i1) = last; | |
4342 | arrProj(i1) = plast; | |
4343 | } | |
4344 | } | |
4345 | } | |
4346 | } | |
4347 | } | |
4348 | ||
4349 | //======================================================================= | |
4350 | //function : CreateCuttingNodes | |
4351 | //purpose : internal use | |
4352 | //======================================================================= | |
4353 | ||
4354 | void BRepBuilderAPI_Sewing::CreateCuttingNodes(const TopTools_IndexedMapOfShape& MapVert, | |
4355 | const TopoDS_Shape& bound, | |
4356 | const TopoDS_Shape& vfirst, | |
4357 | const TopoDS_Shape& vlast, | |
4358 | const TColStd_Array1OfReal& arrDist, | |
4359 | const TColStd_Array1OfReal& arrPara, | |
4360 | const TColgp_Array1OfPnt& arrPnt, | |
4361 | TopTools_SequenceOfShape& seqVert, | |
4362 | TColStd_SequenceOfReal& seqPara) | |
4363 | { | |
4364 | Standard_Integer i, j, nbProj = MapVert.Extent(); | |
4365 | ||
4366 | // Reorder projections by distance | |
4367 | TColStd_SequenceOfInteger seqOrderedIndex; | |
4368 | { //szv: Use brackets to destroy local variables | |
4369 | TColStd_SequenceOfReal seqOrderedDistance; | |
4370 | for (i = 1; i <= nbProj; i++) { | |
4371 | Standard_Real distProj = arrDist(i); | |
4372 | if (distProj < 0.0) continue; // Skip vertex if not projected | |
4373 | Standard_Boolean isInserted = Standard_False; | |
4374 | for (j = 1; j <= seqOrderedIndex.Length() && !isInserted; j++) { | |
4375 | isInserted = (distProj < seqOrderedDistance(j)); | |
4376 | if (isInserted) { | |
4377 | seqOrderedIndex.InsertBefore(j,i); | |
4378 | seqOrderedDistance.InsertBefore(j,distProj); | |
4379 | } | |
4380 | } | |
4381 | if (!isInserted) { | |
4382 | seqOrderedIndex.Append(i); | |
4383 | seqOrderedDistance.Append(distProj); | |
4384 | } | |
4385 | } | |
4386 | } | |
4387 | nbProj = seqOrderedIndex.Length(); | |
4388 | if (!nbProj) return; | |
4389 | ||
4390 | BRep_Builder aBuilder; | |
4391 | ||
4392 | // Insert two initial vertices (to be removed later) | |
4393 | TColStd_SequenceOfReal seqDist; | |
4394 | TColgp_SequenceOfPnt seqPnt; | |
4395 | { //szv: Use brackets to destroy local variables | |
4396 | // Retrieve bound curve | |
4397 | TopLoc_Location loc; | |
4398 | Standard_Real first,last; | |
4399 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(TopoDS::Edge(bound), loc, first, last); | |
4400 | if (!loc.IsIdentity()) { | |
4401 | c3d = Handle(Geom_Curve)::DownCast(c3d->Copy()); | |
4402 | c3d->Transform(loc.Transformation()); | |
4403 | } | |
4404 | GeomAdaptor_Curve GAC(c3d); | |
4405 | seqVert.Prepend(vfirst); seqVert.Append(vlast); | |
4406 | seqPara.Prepend(first); seqPara.Append(last); | |
4407 | seqDist.Prepend(-1.0); seqDist.Append(-1.0); | |
4408 | seqPnt.Prepend(GAC.Value(first)); seqPnt.Append(GAC.Value(last)); | |
4409 | } | |
4410 | ||
4411 | TopTools_DataMapOfShapeShape NodeCuttingVertex; | |
4412 | for (i = 1; i <= nbProj; i++) { | |
4413 | ||
4414 | const Standard_Integer index = seqOrderedIndex(i); | |
4415 | Standard_Real disProj = arrDist(index); | |
4416 | gp_Pnt pntProj = arrPnt(index); | |
4417 | ||
4418 | // Skip node if already bound to cutting vertex | |
4419 | TopoDS_Shape node = myVertexNode.FindFromKey(MapVert(index)); | |
4420 | if (NodeCuttingVertex.IsBound(node)) continue; | |
4421 | ||
4422 | // Find the closest vertex | |
4423 | Standard_Integer indexMin = 1; | |
4424 | Standard_Real dist, distMin = pntProj.Distance(seqPnt(1)); | |
4425 | for (j = 2; j <= seqPnt.Length(); j++) { | |
4426 | dist = pntProj.Distance(seqPnt(j)); | |
4427 | if (dist < distMin) { distMin = dist; indexMin = j; } | |
4428 | } | |
4429 | ||
4430 | // Check if current point is close to one of the existent | |
4431 | if (distMin <= Max(disProj*0.1,MinTolerance())) { | |
4432 | // Check distance if close | |
4433 | Standard_Real jdist = seqDist.Value(indexMin); | |
4434 | if (jdist < 0.0) { | |
4435 | // Bind new cutting node (end vertex only) | |
4436 | seqDist.SetValue(indexMin,disProj); | |
4437 | TopoDS_Shape cvertex = seqVert.Value(indexMin); | |
4438 | NodeCuttingVertex.Bind(node,cvertex); | |
4439 | } | |
4440 | else { | |
4441 | // Bind secondary cutting nodes | |
4442 | NodeCuttingVertex.Bind(node,TopoDS_Vertex()); | |
4443 | } | |
4444 | } | |
4445 | else { | |
4446 | // Build new cutting vertex | |
4447 | TopoDS_Vertex cvertex; | |
4448 | aBuilder.MakeVertex(cvertex, pntProj, Precision::Confusion()); | |
4449 | // Bind new cutting vertex | |
4450 | NodeCuttingVertex.Bind(node,cvertex); | |
4451 | // Insert cutting vertex in the sequences | |
4452 | Standard_Real parProj = arrPara(index); | |
4453 | for (j = 2; j <= seqPara.Length(); j++) { | |
4454 | if (parProj <= seqPara.Value(j)) { | |
4455 | seqVert.InsertBefore(j,cvertex); | |
4456 | seqPara.InsertBefore(j,parProj); | |
4457 | seqDist.InsertBefore(j,disProj); | |
4458 | seqPnt.InsertBefore (j,pntProj); | |
4459 | break; | |
4460 | } | |
4461 | } | |
4462 | } | |
4463 | } | |
4464 | ||
4465 | // filling map for cutting nodes | |
4466 | TopTools_DataMapIteratorOfDataMapOfShapeShape mit(NodeCuttingVertex); | |
4467 | for (; mit.More(); mit.Next()) { | |
4468 | TopoDS_Shape cnode = mit.Value(); | |
4469 | // Skip secondary nodes | |
4470 | if (cnode.IsNull()) continue; | |
4471 | // Obtain vertex node | |
4472 | TopoDS_Shape node = mit.Key(); | |
4473 | if (myVertexNode.Contains(cnode)) { | |
4474 | // This is an end vertex | |
4475 | cnode = myVertexNode.FindFromKey(cnode); | |
4476 | } | |
4477 | else { | |
4478 | // Create link: cutting vertex -> node | |
4479 | TopTools_ListOfShape ls; | |
4480 | ls.Append(node); | |
4481 | myCuttingNode.Bind(cnode,ls); | |
4482 | } | |
4483 | // Create link: node -> cutting vertex | |
4484 | if (myCuttingNode.IsBound(node)) { | |
4485 | myCuttingNode.ChangeFind(node).Append(cnode); | |
4486 | } | |
4487 | else { | |
4488 | TopTools_ListOfShape ls; | |
4489 | ls.Append(cnode); | |
4490 | myCuttingNode.Bind(node,ls); | |
4491 | } | |
4492 | } | |
4493 | ||
4494 | // Remove two initial vertices | |
4495 | seqVert.Remove(1); seqVert.Remove(seqVert.Length()); | |
4496 | seqPara.Remove(1); seqPara.Remove(seqPara.Length()); | |
4497 | } | |
4498 | ||
4499 | //======================================================================= | |
4500 | //function : CreateSections | |
4501 | //purpose : internal use | |
4502 | //======================================================================= | |
4503 | ||
4504 | void BRepBuilderAPI_Sewing::CreateSections(const TopoDS_Shape& section, | |
4505 | const TopTools_SequenceOfShape& seqNode, | |
4506 | const TColStd_SequenceOfReal& seqPara, | |
4507 | TopTools_ListOfShape& listEdge) | |
4508 | { | |
4509 | const TopoDS_Edge& sec = TopoDS::Edge(section); | |
4510 | // TopAbs_Orientation aInitOr = sec.Orientation(); | |
4511 | ||
4512 | ||
4513 | //To keep NM vertices on edge | |
4514 | TopTools_SequenceOfShape aSeqNMVert; | |
4515 | TColStd_SequenceOfReal aSeqNMPars; | |
4516 | findNMVertices(sec,aSeqNMVert,aSeqNMPars); | |
4517 | ||
4518 | BRep_Builder aBuilder; | |
4519 | ||
4520 | Standard_Real first, last; | |
4521 | BRep_Tool::Range(sec, first, last); | |
4522 | ||
4523 | // Create cutting sections | |
4524 | Standard_Real par1, par2; | |
4525 | TopoDS_Shape V1, V2; | |
4526 | Standard_Integer i, len = seqPara.Length() + 1; | |
4527 | for (i = 1; i <= len; i++) { | |
4528 | ||
4529 | TopoDS_Edge edge = sec; | |
4530 | edge.EmptyCopy(); | |
4531 | ||
4532 | if (i == 1) { | |
4533 | par1 = first; | |
4534 | par2 = seqPara(i); | |
4535 | V1 = TopExp::FirstVertex(sec); | |
4536 | V2 = seqNode(i); | |
4537 | } | |
4538 | else if (i == len) { | |
4539 | par1 = seqPara(i-1); | |
4540 | par2 = last; | |
4541 | V1 = seqNode(i-1); | |
4542 | V2 = TopExp::LastVertex(sec); | |
4543 | } | |
4544 | else { | |
4545 | par1 = seqPara(i-1); | |
4546 | par2 = seqPara(i); | |
4547 | V1 = seqNode(i-1); | |
4548 | V2 = seqNode(i); | |
4549 | } | |
4550 | ||
4551 | TopoDS_Shape aTmpShape = edge.Oriented(TopAbs_FORWARD); | |
4552 | TopoDS_Edge aTmpEdge = TopoDS::Edge (aTmpShape); // for porting | |
4553 | aTmpShape = V1.Oriented(TopAbs_FORWARD); | |
4554 | aBuilder.Add(aTmpEdge, aTmpShape); | |
4555 | aTmpShape = V2.Oriented(TopAbs_REVERSED); | |
4556 | aBuilder.Add(aTmpEdge, aTmpShape); | |
4557 | aBuilder.Range(aTmpEdge, par1, par2); | |
4558 | // if(aInitOr == TopAbs_REVERSED) | |
4559 | // listEdge.Prepend(edge); | |
4560 | // else | |
4561 | ||
4562 | Standard_Integer k =1; | |
4563 | for( ; k <= aSeqNMPars.Length() ; k++) { | |
4564 | Standard_Real apar = aSeqNMPars.Value(k); | |
4565 | if(apar >= par1 && apar <= par2) { | |
4566 | aBuilder.Add(aTmpEdge,aSeqNMVert.Value(k)); | |
4567 | aSeqNMVert.Remove(k); | |
4568 | aSeqNMPars.Remove(k); | |
4569 | k--; | |
4570 | } | |
4571 | } | |
4572 | listEdge.Append(edge); | |
4573 | } | |
4574 | ||
4575 | const TopTools_ListOfShape& listFaces = myBoundFaces.FindFromKey(sec); | |
4576 | if (!listFaces.Extent()) return; | |
4577 | ||
4578 | Standard_Real tolEdge = BRep_Tool::Tolerance(sec); | |
4579 | ||
4580 | // Add cutting pcurves | |
4581 | TopTools_ListIteratorOfListOfShape itf(listFaces); | |
4582 | for (; itf.More(); itf.Next()) { | |
4583 | ||
4584 | const TopoDS_Face& fac = TopoDS::Face(itf.Value()); | |
4585 | ||
4586 | // Retrieve curve on surface | |
4587 | Standard_Real first2d=0., last2d=0.,first2d1=0,last2d1=0.; | |
4588 | Handle(Geom2d_Curve) c2d = BRep_Tool::CurveOnSurface(sec, fac, first2d, last2d); | |
4589 | if (c2d.IsNull()) continue; | |
4590 | Handle(Geom2d_Curve) c2d1; | |
4591 | Standard_Boolean isSeam = BRep_Tool::IsClosed(sec,fac); | |
4592 | ||
4593 | //gka - Convert to BSpline was commented because | |
4594 | //it is not necessary to create BSpline instead of Lines or cIrcles. | |
4595 | //Besides after conversion circles to BSpline | |
4596 | //it is necessary to recompute parameters of cutting because paramerization of created | |
4597 | //BSpline curve differs from parametrization of circle. | |
4598 | ||
4599 | // Convert pcurve to BSpline | |
4600 | /*Handle(Geom2d_BSplineCurve) c2dBSP,c2dBSP1; | |
4601 | if (c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve))) { | |
4602 | c2dBSP = Handle(Geom2d_BSplineCurve)::DownCast(c2d); | |
4603 | } | |
4604 | else { | |
4605 | if (first > (c2d->FirstParameter() + Precision::PConfusion()) || | |
4606 | last < (c2d->LastParameter() - Precision::PConfusion())) { | |
4607 | Handle(Geom2d_TrimmedCurve) TC = new Geom2d_TrimmedCurve(c2d, first, last); | |
4608 | c2dBSP = Geom2dConvert::CurveToBSplineCurve(TC); | |
4609 | } | |
4610 | else c2dBSP = Geom2dConvert::CurveToBSplineCurve(c2d); | |
4611 | } | |
4612 | if (c2dBSP.IsNull()) continue;*/ | |
4613 | //gka fix for bug OCC12203 21.04.06 addition second curve for seam edges | |
4614 | ||
4615 | if(isSeam) | |
4616 | { | |
4617 | TopoDS_Edge secRev = TopoDS::Edge(sec.Reversed()); | |
4618 | ||
4619 | c2d1 = BRep_Tool::CurveOnSurface(secRev, fac, first2d1, last2d1); | |
4620 | if (c2d1.IsNull()) continue; | |
4621 | ||
4622 | /*if (c2d1->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve))) { | |
4623 | c2dBSP1 = Handle(Geom2d_BSplineCurve)::DownCast(c2d1); | |
4624 | } | |
4625 | else { | |
4626 | if (first > (c2d1->FirstParameter() + Precision::PConfusion()) || | |
4627 | last < (c2d1->LastParameter() - Precision::PConfusion())) { | |
4628 | Handle(Geom2d_TrimmedCurve) TC = new Geom2d_TrimmedCurve(c2d1, first, last); | |
4629 | //c2dBSP1 = Geom2dConvert::CurveToBSplineCurve(TC); | |
4630 | } | |
4631 | //else c2dBSP1 = Geom2dConvert::CurveToBSplineCurve(c2d); | |
4632 | ||
4633 | }*/ | |
4634 | } | |
4635 | ||
4636 | /*first2d = c2dBSP->FirstParameter(); | |
4637 | last2d = c2dBSP->LastParameter(); | |
4638 | ||
4639 | if(!c2dBSP1.IsNull()) { | |
4640 | first2d1 = c2dBSP1->FirstParameter(); | |
4641 | last2d1 = c2dBSP1->LastParameter(); | |
4642 | }*/ | |
4643 | ||
4644 | // Update cutting sections | |
4645 | Handle(Geom2d_Curve) c2dNew,c2d1New; | |
4646 | TopTools_ListIteratorOfListOfShape ite(listEdge); | |
4647 | for (; ite.More(); ite.Next()) { | |
4648 | ||
4649 | // Retrieve cutting section | |
4650 | const TopoDS_Edge& edge = TopoDS::Edge(ite.Value()); | |
4651 | BRep_Tool::Range(edge, par1, par2); | |
4652 | ||
4653 | // Cut BSpline pcurve | |
4654 | // try { | |
4655 | c2dNew = Handle(Geom2d_Curve)::DownCast(c2d->Copy()); | |
4656 | //c2dNew = Handle(Geom2d_Curve)::DownCast(c2dBSP->Copy()); | |
4657 | //Handle(Geom2d_BSplineCurve)::DownCast(c2dNew)->Segment(Max(first2d,par1),Min(par2,last2d)); | |
4658 | if(!c2d1.IsNull()) { //if(!c2dBSP1.IsNull()) { | |
4659 | c2d1New = Handle(Geom2d_Curve)::DownCast(c2d1->Copy()); | |
4660 | //c2d1New = Handle(Geom2d_Curve)::DownCast(c2dBSP1->Copy()); | |
4661 | //Handle(Geom2d_BSplineCurve)::DownCast(c2d1New)->Segment(Max(first2d1,par1),Min(par2,last2d1)); | |
4662 | } | |
4663 | //} | |
4664 | /*catch (Standard_Failure) { | |
0797d9d3 | 4665 | #ifdef OCCT_DEBUG |
7fd59977 | 4666 | cout << "Exception in CreateSections: segment [" << par1 << "," << par2 << "]: "; |
4667 | Standard_Failure::Caught()->Print(cout); cout << endl; | |
4668 | #endif | |
4669 | Handle(Geom2d_TrimmedCurve) c2dT = new Geom2d_TrimmedCurve(c2dNew,Max(first2d,par1),Min(par2,last2d)); | |
4670 | c2dNew = c2dT; | |
4671 | }*/ | |
4672 | ||
4673 | ||
4674 | if(!isSeam && c2d1New.IsNull()) | |
4675 | aBuilder.UpdateEdge(edge, c2dNew, fac, tolEdge); | |
4676 | else { | |
4677 | TopAbs_Orientation Ori = edge.Orientation(); | |
4678 | if(fac.Orientation() == TopAbs_REVERSED) | |
4679 | Ori = TopAbs::Reverse(Ori); | |
4680 | ||
4681 | if(Ori == TopAbs_FORWARD) | |
4682 | aBuilder.UpdateEdge(edge, c2dNew,c2d1New ,fac, tolEdge); | |
4683 | else | |
4684 | aBuilder.UpdateEdge(edge, c2d1New,c2dNew ,fac, tolEdge); | |
4685 | } | |
4686 | } | |
4687 | } | |
4688 | } | |
4689 | ||
4690 | //======================================================================= | |
4691 | //function : SameParameterShape | |
4692 | //purpose : | |
4693 | //======================================================================= | |
4694 | ||
4695 | void BRepBuilderAPI_Sewing::SameParameterShape() | |
4696 | { | |
4697 | if (!mySameParameterMode) return; | |
4698 | TopExp_Explorer exp(mySewedShape, TopAbs_EDGE); | |
4699 | // Le flag sameparameter est a false pour chaque edge cousue | |
4700 | for (; exp.More(); exp.Next()) { | |
4701 | const TopoDS_Edge& sec = TopoDS::Edge(exp.Current()); | |
4702 | try { | |
4703 | ||
4704 | BRepLib::SameParameter(sec, BRep_Tool::Tolerance(sec)); | |
4705 | } | |
4706 | catch (Standard_Failure) { | |
0797d9d3 | 4707 | #ifdef OCCT_DEBUG |
7fd59977 | 4708 | cout << "Fail: BRepBuilderAPI_Sewing::SameParameterShape exception in BRepLib::SameParameter" << endl; |
4709 | #endif | |
4710 | continue; | |
4711 | } | |
4712 | } | |
4713 | } | |
82192477 | 4714 | |
4715 | //======================================================================= | |
4716 | //function : Inspect | |
4717 | //purpose : Used for selection and storage of coinciding points | |
4718 | //======================================================================= | |
4719 | ||
4720 | NCollection_CellFilter_Action BRepBuilderAPI_VertexInspector::Inspect (const Standard_Integer theTarget) | |
4721 | { | |
4722 | /*gp_Pnt aPnt = gp_Pnt (myPoints.Value (theTarget - 1)); | |
4723 | if (aPnt.SquareDistance (gp_Pnt (myCurrent)) <= myTol) | |
4724 | myResInd.Append (theTarget);*/ | |
4725 | ||
4726 | const gp_XYZ& aPnt = myPoints.Value (theTarget - 1); | |
4727 | Standard_Real aDx, aDy, aDz; | |
4728 | aDx = myCurrent.X() - aPnt.X(); | |
4729 | aDy = myCurrent.Y() - aPnt.Y(); | |
4730 | aDz = myCurrent.Z() - aPnt.Z(); | |
4731 | ||
4732 | if ((aDx*aDx <= myTol) && (aDy*aDy <= myTol) && (aDz*aDz <= myTol)) | |
4733 | myResInd.Append (theTarget); | |
4734 | return CellFilter_Keep; | |
4735 | } | |
0794c042 | 4736 | |
4737 | //======================================================================= | |
4738 | //function : Context | |
4739 | //purpose : | |
4740 | //======================================================================= | |
4741 | const Handle(BRepTools_ReShape)& BRepBuilderAPI_Sewing::GetContext() const | |
4742 | { | |
4743 | return myReShape; | |
4744 | } | |
4745 | ||
4746 | //======================================================================= | |
4747 | //function : SetContext | |
4748 | //purpose : | |
4749 | //======================================================================= | |
4750 | void BRepBuilderAPI_Sewing::SetContext(const Handle(BRepTools_ReShape)& theContext) | |
4751 | { | |
4752 | myReShape = theContext; | |
4753 | } | |
4754 |