0023367: New functionality restoring the middle path of pipe-like shape
[occt.git] / src / ShapeUpgrade / ShapeUpgrade_UnifySameDomain.cxx
CommitLineData
2277323d 1// File: ShapeUpgrade_UnifySameDomain.cxx
2// Created: 09.06.12 14:35:07
3// Author: jgv@ROLEX
4// Copyright: Open CASCADE 2012
5
6#include <ShapeUpgrade_UnifySameDomain.ixx>
7#include <ShapeUpgrade_UnifySameDomain.hxx>
8#include <TopTools_SequenceOfShape.hxx>
9#include <TopTools_IndexedMapOfShape.hxx>
10#include <TopExp_Explorer.hxx>
11#include <Geom_Surface.hxx>
12#include <Geom_Line.hxx>
13#include <gp_Dir.hxx>
14#include <Geom_CylindricalSurface.hxx>
15#include <gp_Cylinder.hxx>
16#include <Geom_SurfaceOfRevolution.hxx>
17#include <Geom_SurfaceOfLinearExtrusion.hxx>
18#include <gp_Lin.hxx>
19#include <Geom_Circle.hxx>
20#include <Geom_RectangularTrimmedSurface.hxx>
21#include <TopoDS_Face.hxx>
22#include <BRep_Tool.hxx>
23#include <GeomAdaptor_HSurface.hxx>
24#include <BRepTopAdaptor_TopolTool.hxx>
25#include <IntPatch_ImpImpIntersection.hxx>
26#include <GeomLib_IsPlanarSurface.hxx>
27#include <BRep_Builder.hxx>
28#include <ShapeFix_Wire.hxx>
29#include <TopoDS.hxx>
30#include <ShapeAnalysis_Edge.hxx>
31#include <TopoDS_Edge.hxx>
32#include <TColGeom_SequenceOfSurface.hxx>
33#include <BRep_ListIteratorOfListOfCurveRepresentation.hxx>
34#include <BRep_TEdge.hxx>
35#include <BRep_CurveRepresentation.hxx>
36#include <TColGeom_Array1OfBSplineCurve.hxx>
37#include <TColGeom_HArray1OfBSplineCurve.hxx>
38#include <TColGeom2d_Array1OfBSplineCurve.hxx>
39#include <TColGeom2d_HArray1OfBSplineCurve.hxx>
40#include <TColStd_Array1OfReal.hxx>
41#include <TopExp.hxx>
42#include <Geom_TrimmedCurve.hxx>
43#include <Geom2d_TrimmedCurve.hxx>
44#include <GeomConvert.hxx>
45#include <Geom2dConvert.hxx>
46#include <GeomConvert_CompCurveToBSplineCurve.hxx>
47#include <Geom2dConvert_CompCurveToBSplineCurve.hxx>
48#include <TColGeom2d_SequenceOfBoundedCurve.hxx>
49#include <BRepLib_MakeEdge.hxx>
50#include <TColStd_MapOfInteger.hxx>
51#include <BRepLib.hxx>
52#include <GC_MakeCircle.hxx>
53#include <Geom_BezierCurve.hxx>
54#include <ShapeBuild_ReShape.hxx>
55#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
56#include <TopTools_MapOfShape.hxx>
57#include <TopTools_ListIteratorOfListOfShape.hxx>
58#include <ShapeAnalysis_WireOrder.hxx>
59#include <ShapeBuild_Edge.hxx>
60#include <Geom2d_Line.hxx>
61#include <ShapeFix_Face.hxx>
62#include <TColGeom_HArray2OfSurface.hxx>
63#include <ShapeExtend_CompositeSurface.hxx>
64#include <ShapeFix_ComposeShell.hxx>
65#include <ShapeFix_SequenceOfWireSegment.hxx>
66#include <ShapeFix_WireSegment.hxx>
67#include <ShapeFix_Edge.hxx>
68#include <ShapeFix_Shell.hxx>
69#include <ShapeUpgrade_RemoveLocations.hxx>
70
71
72//=======================================================================
73//function : AddOrdinaryEdges
74//purpose : auxilary
75//=======================================================================
76// adds edges from the shape to the sequence
77// seams and equal edges are dropped
78// Returns true if one of original edges dropped
79static Standard_Boolean AddOrdinaryEdges(TopTools_SequenceOfShape& edges,
80 const TopoDS_Shape aShape,
81 Standard_Integer& anIndex)
82{
83 //map of edges
84 TopTools_IndexedMapOfShape aNewEdges;
85 //add edges without seams
86 for(TopExp_Explorer exp(aShape,TopAbs_EDGE); exp.More(); exp.Next()) {
87 TopoDS_Shape edge = exp.Current();
88 if(aNewEdges.Contains(edge))
89 {
90 //aNewEdges.Remove(edge);
91 TopoDS_Shape LastEdge = aNewEdges(aNewEdges.Extent());
92 aNewEdges.RemoveLast();
93 if (aNewEdges.FindIndex(edge) != 0)
94 aNewEdges.Substitute(aNewEdges.FindIndex(edge), LastEdge);
95 /////////////////////////
96 }
97 else
98 aNewEdges.Add(edge);
99 }
100
101 Standard_Boolean isDropped = Standard_False;
102 //merge edges and drop seams
103 Standard_Integer i;
104 for (i = 1; i <= edges.Length(); i++) {
105 TopoDS_Shape current = edges(i);
106 if(aNewEdges.Contains(current)) {
107
108 //aNewEdges.Remove(current);
109 TopoDS_Shape LastEdge = aNewEdges(aNewEdges.Extent());
110 aNewEdges.RemoveLast();
111 if (aNewEdges.FindIndex(current) != 0)
112 aNewEdges.Substitute(aNewEdges.FindIndex(current), LastEdge);
113 /////////////////////////
114 edges.Remove(i);
115 i--;
116
117 if(!isDropped) {
118 isDropped = Standard_True;
119 anIndex = i;
120 }
121 }
122 }
123
124 //add edges to the sequemce
125 for (i = 1; i <= aNewEdges.Extent(); i++)
126 edges.Append(aNewEdges(i));
127
128 return isDropped;
129}
130
131//=======================================================================
132//function : getCylinder
133//purpose : auxilary
134//=======================================================================
135static Standard_Boolean getCylinder(Handle(Geom_Surface)& theInSurface,
136 gp_Cylinder& theOutCylinder)
137{
138 Standard_Boolean isCylinder = Standard_False;
139
140 if (theInSurface->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))) {
141 Handle(Geom_CylindricalSurface) aGC = Handle(Geom_CylindricalSurface)::DownCast(theInSurface);
142
143 theOutCylinder = aGC->Cylinder();
144 isCylinder = Standard_True;
145 }
146 else if (theInSurface->IsKind(STANDARD_TYPE(Geom_SurfaceOfRevolution))) {
147 Handle(Geom_SurfaceOfRevolution) aRS =
148 Handle(Geom_SurfaceOfRevolution)::DownCast(theInSurface);
149 Handle(Geom_Curve) aBasis = aRS->BasisCurve();
150 if (aBasis->IsKind(STANDARD_TYPE(Geom_Line))) {
151 Handle(Geom_Line) aBasisLine = Handle(Geom_Line)::DownCast(aBasis);
152 gp_Dir aDir = aRS->Direction();
153 gp_Dir aBasisDir = aBasisLine->Position().Direction();
154 if (aBasisDir.IsParallel(aDir, Precision::Angular())) {
155 // basis line is parallel to the revolution axis: it is a cylinder
156 gp_Pnt aLoc = aRS->Location();
157 Standard_Real aR = aBasisLine->Lin().Distance(aLoc);
158 gp_Ax3 aCylAx (aLoc, aDir);
159
160 theOutCylinder = gp_Cylinder(aCylAx, aR);
161 isCylinder = Standard_True;
162 }
163 }
164 }
165 else if (theInSurface->IsKind(STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion))) {
166 Handle(Geom_SurfaceOfLinearExtrusion) aLES =
167 Handle(Geom_SurfaceOfLinearExtrusion)::DownCast(theInSurface);
168 Handle(Geom_Curve) aBasis = aLES->BasisCurve();
169 if (aBasis->IsKind(STANDARD_TYPE(Geom_Circle))) {
170 Handle(Geom_Circle) aBasisCircle = Handle(Geom_Circle)::DownCast(aBasis);
171 gp_Dir aDir = aLES->Direction();
172 gp_Dir aBasisDir = aBasisCircle->Position().Direction();
173 if (aBasisDir.IsParallel(aDir, Precision::Angular())) {
174 // basis circle is normal to the extrusion axis: it is a cylinder
175 gp_Pnt aLoc = aBasisCircle->Location();
176 Standard_Real aR = aBasisCircle->Radius();
177 gp_Ax3 aCylAx (aLoc, aDir);
178
179 theOutCylinder = gp_Cylinder(aCylAx, aR);
180 isCylinder = Standard_True;
181 }
182 }
183 }
184 else {
185 }
186
187 return isCylinder;
188}
189
190//=======================================================================
191//function : ClearRts
192//purpose : auxilary
193//=======================================================================
194static Handle(Geom_Surface) ClearRts(const Handle(Geom_Surface)& aSurface)
195{
196 if(aSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
197 Handle(Geom_RectangularTrimmedSurface) rts =
198 Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface);
199 return rts->BasisSurface();
200 }
201 return aSurface;
202}
203
204//=======================================================================
205//function : IsSameDomain
206//purpose :
207//=======================================================================
208static Standard_Boolean IsSameDomain(const TopoDS_Face& aFace,
209 const TopoDS_Face& aCheckedFace)
210{
211 //checking the same handles
212 TopLoc_Location L1, L2;
213 Handle(Geom_Surface) S1, S2;
214
215 S1 = BRep_Tool::Surface(aFace,L1);
216 S2 = BRep_Tool::Surface(aCheckedFace,L2);
217
218 if (S1 == S2 && L1 == L2)
219 return Standard_True;
220
221 // planar and cylindrical cases (IMP 20052)
222 Standard_Real aPrec = Precision::Confusion();
223
224 S1 = BRep_Tool::Surface(aFace);
225 S2 = BRep_Tool::Surface(aCheckedFace);
226
227 S1 = ClearRts(S1);
228 S2 = ClearRts(S2);
229
230 //Handle(Geom_OffsetSurface) aGOFS1, aGOFS2;
231 //aGOFS1 = Handle(Geom_OffsetSurface)::DownCast(S1);
232 //aGOFS2 = Handle(Geom_OffsetSurface)::DownCast(S2);
233 //if (!aGOFS1.IsNull()) S1 = aGOFS1->BasisSurface();
234 //if (!aGOFS2.IsNull()) S2 = aGOFS2->BasisSurface();
235
236 // case of two elementary surfaces: use OCCT tool
237 // elementary surfaces: ConicalSurface, CylindricalSurface,
238 // Plane, SphericalSurface and ToroidalSurface
239 if (S1->IsKind(STANDARD_TYPE(Geom_ElementarySurface)) &&
240 S2->IsKind(STANDARD_TYPE(Geom_ElementarySurface)))
241 {
242 Handle(GeomAdaptor_HSurface) aGA1 = new GeomAdaptor_HSurface(S1);
243 Handle(GeomAdaptor_HSurface) aGA2 = new GeomAdaptor_HSurface(S2);
244
245 Handle(BRepTopAdaptor_TopolTool) aTT1 = new BRepTopAdaptor_TopolTool();
246 Handle(BRepTopAdaptor_TopolTool) aTT2 = new BRepTopAdaptor_TopolTool();
247
248 try {
249 IntPatch_ImpImpIntersection anIIInt (aGA1, aTT1, aGA2, aTT2, aPrec, aPrec);
250 if (!anIIInt.IsDone() || anIIInt.IsEmpty())
251 return Standard_False;
252
253 return anIIInt.TangentFaces();
254 }
255 catch (Standard_Failure) {
256 return Standard_False;
257 }
258 }
259
260 // case of two planar surfaces:
261 // all kinds of surfaces checked, including b-spline and bezier
262 GeomLib_IsPlanarSurface aPlanarityChecker1 (S1, aPrec);
263 if (aPlanarityChecker1.IsPlanar()) {
264 GeomLib_IsPlanarSurface aPlanarityChecker2 (S2, aPrec);
265 if (aPlanarityChecker2.IsPlanar()) {
266 gp_Pln aPln1 = aPlanarityChecker1.Plan();
267 gp_Pln aPln2 = aPlanarityChecker2.Plan();
268
269 if (aPln1.Position().Direction().IsParallel(aPln2.Position().Direction(),Precision::Angular()) &&
270 aPln1.Distance(aPln2) < aPrec) {
271 return Standard_True;
272 }
273 }
274 }
275
276 // case of two cylindrical surfaces, at least one of which is a swept surface
277 // swept surfaces: SurfaceOfLinearExtrusion, SurfaceOfRevolution
278 if ((S1->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)) ||
279 S1->IsKind(STANDARD_TYPE(Geom_SweptSurface))) &&
280 (S2->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)) ||
281 S2->IsKind(STANDARD_TYPE(Geom_SweptSurface))))
282 {
283 gp_Cylinder aCyl1, aCyl2;
284 if (getCylinder(S1, aCyl1) && getCylinder(S2, aCyl2)) {
285 if (fabs(aCyl1.Radius() - aCyl2.Radius()) < aPrec) {
286 gp_Dir aDir1 = aCyl1.Position().Direction();
287 gp_Dir aDir2 = aCyl2.Position().Direction();
288 if (aDir1.IsParallel(aDir2, Precision::Angular())) {
289 gp_Pnt aLoc1 = aCyl1.Location();
290 gp_Pnt aLoc2 = aCyl2.Location();
291 gp_Vec aVec12 (aLoc1, aLoc2);
292 if (aVec12.SquareMagnitude() < aPrec*aPrec ||
293 aVec12.IsParallel(aDir1, Precision::Angular())) {
294 return Standard_True;
295 }
296 }
297 }
298 }
299 }
300
301 return Standard_False;
302}
303
304//=======================================================================
305//function : MovePCurves
306//purpose :
307//=======================================================================
308static void MovePCurves(TopoDS_Face& aTarget,
309 const TopoDS_Face& aSource)
310{
311 BRep_Builder B;
312 for(TopExp_Explorer wexp(aSource,TopAbs_WIRE);wexp.More();wexp.Next()) {
313 Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire(TopoDS::Wire(wexp.Current()),
314 aTarget, Precision::Confusion());
315 sfw->FixReorder();
316 Standard_Boolean isReoredFailed = sfw->StatusReorder ( ShapeExtend_FAIL );
317 sfw->FixEdgeCurves();
318 if(isReoredFailed)
319 continue;
320
321 sfw->FixShifted();
322 sfw->FixDegenerated();
323
324 // remove degenerated edges from not degenerated points
325 ShapeAnalysis_Edge sae;
326 Handle(ShapeExtend_WireData) sewd = sfw->WireData();
327 for(Standard_Integer i = 1; i<=sewd->NbEdges();i++) {
328 TopoDS_Edge E = sewd->Edge(i);
329 if(BRep_Tool::Degenerated(E)&&!sae.HasPCurve(E,aTarget)) {
330 sewd->Remove(i);
331 i--;
332 }
333 }
334
335 TopoDS_Wire ResWire = sfw->Wire();
336 B.Add(aTarget,ResWire);
337 }
338}
339
340//=======================================================================
341//function : GlueEdgesWithPCurves
342//purpose : Glues the pcurves of the sequence of edges
343// and glues their 3d curves
344//=======================================================================
345static TopoDS_Edge GlueEdgesWithPCurves(const TopTools_SequenceOfShape& aChain,
346 const TopoDS_Vertex& FirstVertex,
347 const TopoDS_Vertex& LastVertex)
348{
349 Standard_Integer i, j;
350
351 TopoDS_Edge FirstEdge = TopoDS::Edge(aChain(1));
352 //TColGeom2d_SequenceOfCurve PCurveSeq;
353 TColGeom_SequenceOfSurface SurfSeq;
354 //TopTools_SequenceOfShape LocSeq;
355
356 BRep_ListIteratorOfListOfCurveRepresentation itr( (Handle(BRep_TEdge)::DownCast(FirstEdge.TShape()))->Curves() );
357 for (; itr.More(); itr.Next())
358 {
359 Handle(BRep_CurveRepresentation) CurveRep = itr.Value();
360 if (CurveRep->IsCurveOnSurface())
361 {
362 //PCurveSeq.Append(CurveRep->PCurve());
363 SurfSeq.Append(CurveRep->Surface());
364 /*
365 TopoDS_Shape aLocShape;
366 aLocShape.Location(CurveRep->Location());
367 LocSeq.Append(aLocShape);
368 */
369 }
370 }
371
372 Standard_Real fpar, lpar;
373 BRep_Tool::Range(FirstEdge, fpar, lpar);
374 TopoDS_Edge PrevEdge = FirstEdge;
375 TopoDS_Vertex CV;
376 Standard_Real MaxTol = 0.;
377
378 TopoDS_Edge ResEdge;
379 BRep_Builder BB;
380
381 Standard_Integer nb_curve = aChain.Length(); //number of curves
382 TColGeom_Array1OfBSplineCurve tab_c3d(0,nb_curve-1); //array of the curves
383 TColStd_Array1OfReal tabtolvertex(0,nb_curve-1); //(0,nb_curve-2); //array of the tolerances
384
385 TopoDS_Vertex PrevVertex = FirstVertex;
386 for (i = 1; i <= nb_curve; i++)
387 {
388 TopoDS_Edge anEdge = TopoDS::Edge(aChain(i));
389 TopoDS_Vertex VF, VL;
390 TopExp::Vertices(anEdge, VF, VL);
391 Standard_Boolean ToReverse = (!VF.IsSame(PrevVertex));
392
393 Standard_Real Tol1 = BRep_Tool::Tolerance(VF);
394 Standard_Real Tol2 = BRep_Tool::Tolerance(VL);
395 if (Tol1 > MaxTol)
396 MaxTol = Tol1;
397 if (Tol2 > MaxTol)
398 MaxTol = Tol2;
399
400 if (i > 1)
401 {
402 TopExp::CommonVertex(PrevEdge, anEdge, CV);
403 Standard_Real Tol = BRep_Tool::Tolerance(CV);
404 tabtolvertex(i-2) = Tol;
405 }
406
407 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, fpar, lpar);
408 Handle(Geom_TrimmedCurve) aTrCurve = new Geom_TrimmedCurve(aCurve, fpar, lpar);
409 tab_c3d(i-1) = GeomConvert::CurveToBSplineCurve(aTrCurve);
410 GeomConvert::C0BSplineToC1BSplineCurve(tab_c3d(i-1), Precision::Confusion());
411 if (ToReverse)
412 tab_c3d(i-1)->Reverse();
413 PrevVertex = (ToReverse)? VF : VL;
414 PrevEdge = anEdge;
415 }
416 Handle(TColGeom_HArray1OfBSplineCurve) concatcurve; //array of the concatenated curves
417 Handle(TColStd_HArray1OfInteger) ArrayOfIndices; //array of the remining Vertex
418 GeomConvert::ConcatC1(tab_c3d,
419 tabtolvertex,
420 ArrayOfIndices,
421 concatcurve,
422 Standard_False,
423 Precision::Confusion()); //C1 concatenation
424
425 if (concatcurve->Length() > 1)
426 {
427 GeomConvert_CompCurveToBSplineCurve Concat(concatcurve->Value(concatcurve->Lower()));
428
429 for (i = concatcurve->Lower()+1; i <= concatcurve->Upper(); i++)
430 Concat.Add( concatcurve->Value(i), MaxTol, Standard_True );
431
432 concatcurve->SetValue(concatcurve->Lower(), Concat.BSplineCurve());
433 }
434 Handle(Geom_BSplineCurve) ResCurve = concatcurve->Value(concatcurve->Lower());
435
436 TColGeom2d_SequenceOfBoundedCurve ResPCurves;
437 TopLoc_Location aLoc;
438 for (j = 1; j <= SurfSeq.Length(); j++)
439 {
440 TColGeom2d_Array1OfBSplineCurve tab_c2d(0,nb_curve-1); //array of the pcurves
441
442 PrevVertex = FirstVertex;
443 PrevEdge = FirstEdge;
444 //TopLoc_Location theLoc = LocSeq(j).Location();
445 for (i = 1; i <= nb_curve; i++)
446 {
447 TopoDS_Edge anEdge = TopoDS::Edge(aChain(i));
448 TopoDS_Vertex VF, VL;
449 TopExp::Vertices(anEdge, VF, VL);
450 Standard_Boolean ToReverse = (!VF.IsSame(PrevVertex));
451
452 /*
453 Handle(Geom2d_Curve) aPCurve =
454 BRep_Tool::CurveOnSurface(anEdge, SurfSeq(j), anEdge.Location()*theLoc, fpar, lpar);
455 */
456 Handle(Geom2d_Curve) aPCurve =
457 BRep_Tool::CurveOnSurface(anEdge, SurfSeq(j), aLoc, fpar, lpar);
458 Handle(Geom2d_TrimmedCurve) aTrPCurve = new Geom2d_TrimmedCurve(aPCurve, fpar, lpar);
459 tab_c2d(i-1) = Geom2dConvert::CurveToBSplineCurve(aTrPCurve);
460 Geom2dConvert::C0BSplineToC1BSplineCurve(tab_c2d(i-1), Precision::Confusion());
461 if (ToReverse)
462 tab_c2d(i-1)->Reverse();
463 PrevVertex = (ToReverse)? VF : VL;
464 PrevEdge = anEdge;
465 }
466 Handle(TColGeom2d_HArray1OfBSplineCurve) concatc2d; //array of the concatenated curves
467 Handle(TColStd_HArray1OfInteger) ArrayOfInd2d; //array of the remining Vertex
468 Geom2dConvert::ConcatC1(tab_c2d,
469 tabtolvertex,
470 ArrayOfInd2d,
471 concatc2d,
472 Standard_False,
473 Precision::Confusion()); //C1 concatenation
474
475 if (concatc2d->Length() > 1)
476 {
477 Geom2dConvert_CompCurveToBSplineCurve Concat2d(concatc2d->Value(concatc2d->Lower()));
478
479 for (i = concatc2d->Lower()+1; i <= concatc2d->Upper(); i++)
480 Concat2d.Add( concatc2d->Value(i), MaxTol, Standard_True );
481
482 concatc2d->SetValue(concatc2d->Lower(), Concat2d.BSplineCurve());
483 }
484 Handle(Geom2d_BSplineCurve) aResPCurve = concatc2d->Value(concatc2d->Lower());
485 ResPCurves.Append(aResPCurve);
486 }
487
488 ResEdge = BRepLib_MakeEdge(ResCurve,
489 FirstVertex, LastVertex,
490 ResCurve->FirstParameter(), ResCurve->LastParameter());
491 BB.SameRange(ResEdge, Standard_False);
492 BB.SameParameter(ResEdge, Standard_False);
493 for (j = 1; j <= ResPCurves.Length(); j++)
494 {
495 BB.UpdateEdge(ResEdge, ResPCurves(j), SurfSeq(j), aLoc, MaxTol);
496 BB.Range(ResEdge, SurfSeq(j), aLoc, ResPCurves(j)->FirstParameter(), ResPCurves(j)->LastParameter());
497 }
498
499 BRepLib::SameParameter(ResEdge, MaxTol, Standard_True);
500
501 return ResEdge;
502}
503
504//=======================================================================
505//function : MergeEdges
506//purpose : auxilary
507//=======================================================================
508static Standard_Boolean MergeEdges(const TopTools_SequenceOfShape& SeqEdges,
509 const TopoDS_Face& aFace,
510 const Standard_Real Tol,
511 const Standard_Boolean ConcatBSplines,
512 TopoDS_Edge& anEdge)
513{
514 // make chain for union
515 BRep_Builder B;
516 ShapeAnalysis_Edge sae;
517 TopoDS_Edge FirstE = TopoDS::Edge(SeqEdges.Value(1));
518 TopoDS_Edge LastE = FirstE;
519 TopoDS_Vertex VF = sae.FirstVertex(FirstE);
520 TopoDS_Vertex VL = sae.LastVertex(LastE);
521 TopTools_SequenceOfShape aChain;
522 aChain.Append(FirstE);
523 TColStd_MapOfInteger IndUsedEdges;
524 IndUsedEdges.Add(1);
525 Standard_Integer j;
526 for (j = 1; j <= SeqEdges.Length(); j++)
527 {
528 TopoDS_Edge anEdge = TopoDS::Edge(SeqEdges(j));
529 if (BRep_Tool::Degenerated(anEdge))
530 return Standard_False;
531 }
532
533 for(j=2; j<=SeqEdges.Length(); j++) {
534 for(Standard_Integer k=2; k<=SeqEdges.Length(); k++) {
535 if(IndUsedEdges.Contains(k)) continue;
536 TopoDS_Edge edge = TopoDS::Edge(SeqEdges.Value(k));
537 TopoDS_Vertex VF2 = sae.FirstVertex(edge);
538 TopoDS_Vertex VL2 = sae.LastVertex(edge);
539 if(sae.FirstVertex(edge).IsSame(VL)) {
540 aChain.Append(edge);
541 LastE = edge;
542 VL = sae.LastVertex(LastE);
543 IndUsedEdges.Add(k);
544 }
545 else if(sae.LastVertex(edge).IsSame(VF)) {
546 aChain.Prepend(edge);
547 FirstE = edge;
548 VF = sae.FirstVertex(FirstE);
549 IndUsedEdges.Add(k);
550 }
551 }
552 }
553 if(aChain.Length()<SeqEdges.Length()) {
554#ifdef DEB
555 cout<<"can not create correct chain..."<<endl;
556#endif
557 return Standard_False;
558 }
559 // union edges in chain
560 // first step: union lines and circles
561 TopLoc_Location Loc;
562 Standard_Real fp1,lp1,fp2,lp2;
563 for(j=1; j<aChain.Length(); j++) {
564 TopoDS_Edge edge1 = TopoDS::Edge(aChain.Value(j));
565 Handle(Geom_Curve) c3d1 = BRep_Tool::Curve(edge1,Loc,fp1,lp1);
566 if(c3d1.IsNull()) break;
567 while(c3d1->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) {
568 Handle(Geom_TrimmedCurve) tc =
569 Handle(Geom_TrimmedCurve)::DownCast(c3d1);
570 c3d1 = tc->BasisCurve();
571 }
572 TopoDS_Edge edge2 = TopoDS::Edge(aChain.Value(j+1));
573 Handle(Geom_Curve) c3d2 = BRep_Tool::Curve(edge2,Loc,fp2,lp2);
574 if(c3d2.IsNull()) break;
575 while(c3d2->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) {
576 Handle(Geom_TrimmedCurve) tc =
577 Handle(Geom_TrimmedCurve)::DownCast(c3d2);
578 c3d2 = tc->BasisCurve();
579 }
580 if( c3d1->IsKind(STANDARD_TYPE(Geom_Line)) && c3d2->IsKind(STANDARD_TYPE(Geom_Line)) ) {
581 // union lines
582 Handle(Geom_Line) L1 = Handle(Geom_Line)::DownCast(c3d1);
583 Handle(Geom_Line) L2 = Handle(Geom_Line)::DownCast(c3d2);
584 gp_Dir Dir1 = L1->Position().Direction();
585 gp_Dir Dir2 = L2->Position().Direction();
586 //if(!Dir1.IsEqual(Dir2,Precision::Angular())) {
587 //if(!Dir1.IsParallel(Dir2,Precision::Angular())) {
588 if(!Dir1.IsParallel(Dir2,Tol)) {
589 continue;
590 }
591 // can union lines => create new edge
592 TopoDS_Vertex V1 = sae.FirstVertex(edge1);
593 gp_Pnt PV1 = BRep_Tool::Pnt(V1);
594 TopoDS_Vertex V2 = sae.LastVertex(edge2);
595 gp_Pnt PV2 = BRep_Tool::Pnt(V2);
596 gp_Vec Vec(PV1,PV2);
597 Handle(Geom_Line) L = new Geom_Line(gp_Ax1(PV1,Vec));
598 Standard_Real dist = PV1.Distance(PV2);
599 Handle(Geom_TrimmedCurve) tc = new Geom_TrimmedCurve(L,0.0,dist);
600 TopoDS_Edge E;
601 B.MakeEdge (E,tc,Precision::Confusion());
602 B.Add (E,V1); B.Add (E,V2);
603 B.UpdateVertex(V1, 0., E, 0.);
604 B.UpdateVertex(V2, dist, E, 0.);
605 //ShapeFix_Edge sfe;
606 //sfe.FixAddPCurve(E,aFace,Standard_False);
607 //sfe.FixSameParameter(E);
608 aChain.Remove(j);
609 aChain.SetValue(j,E);
610 j--;
611 }
612 if( c3d1->IsKind(STANDARD_TYPE(Geom_Circle)) && c3d2->IsKind(STANDARD_TYPE(Geom_Circle)) ) {
613 // union circles
614 Handle(Geom_Circle) C1 = Handle(Geom_Circle)::DownCast(c3d1);
615 Handle(Geom_Circle) C2 = Handle(Geom_Circle)::DownCast(c3d2);
616 gp_Pnt P01 = C1->Location();
617 gp_Pnt P02 = C2->Location();
618 if (P01.Distance(P02) > Precision::Confusion()) continue;
619 // can union circles => create new edge
620 TopoDS_Vertex V1 = sae.FirstVertex(edge1);
621 gp_Pnt PV1 = BRep_Tool::Pnt(V1);
622 TopoDS_Vertex V2 = sae.LastVertex(edge2);
623 gp_Pnt PV2 = BRep_Tool::Pnt(V2);
624 TopoDS_Vertex VM = sae.LastVertex(edge1);
625 gp_Pnt PVM = BRep_Tool::Pnt(VM);
626 GC_MakeCircle MC (PV1,PVM,PV2);
627 Handle(Geom_Circle) C = MC.Value();
628 TopoDS_Edge E;
629 if (!MC.IsDone() || C.IsNull()) {
630 // jfa for Mantis issue 0020228
631 if (PV1.Distance(PV2) > Precision::Confusion()) continue;
632 // closed chain
633 C = C1;
634 B.MakeEdge (E,C,Precision::Confusion());
635 B.Add(E,V1);
636 B.Add(E,V2);
637 }
638 else {
639 gp_Pnt P0 = C->Location();
640 gp_Dir D1(gp_Vec(P0,PV1));
641 gp_Dir D2(gp_Vec(P0,PV2));
642 Standard_Real fpar = C->XAxis().Direction().Angle(D1);
643 if(fabs(fpar)>Precision::Confusion()) {
644 // check orientation
645 gp_Dir ND = C->XAxis().Direction().Crossed(D1);
646 if(ND.IsOpposite(C->Axis().Direction(),Precision::Confusion())) {
647 fpar = -fpar;
648 }
649 }
650 Standard_Real lpar = C->XAxis().Direction().Angle(D2);
651 if(fabs(lpar)>Precision::Confusion()) {
652 // check orientation
653 gp_Dir ND = C->XAxis().Direction().Crossed(D2);
654 if(ND.IsOpposite(C->Axis().Direction(),Precision::Confusion())) {
655 lpar = -lpar;
656 }
657 }
658 if (lpar < fpar) lpar += 2*M_PI;
659 Handle(Geom_TrimmedCurve) tc = new Geom_TrimmedCurve(C,fpar,lpar);
660 B.MakeEdge (E,tc,Precision::Confusion());
661 B.Add(E,V1);
662 B.Add(E,V2);
663 B.UpdateVertex(V1, fpar, E, 0.);
664 B.UpdateVertex(V2, lpar, E, 0.);
665 }
666 aChain.Remove(j);
667 aChain.SetValue(j,E);
668 j--;
669 }
670 }
671 if (j < aChain.Length()) {
672#ifdef DEB
673 cout<<"null curve3d in edge..."<<endl;
674#endif
675 return Standard_False;
676 }
677 if (aChain.Length() > 1 && ConcatBSplines) {
678 // second step: union edges with various curves
679 // skl for bug 0020052 from Mantis: perform such unions
680 // only if curves are bspline or bezier
681 bool NeedUnion = true;
682 for(j=1; j<=aChain.Length(); j++) {
683 TopoDS_Edge edge = TopoDS::Edge(aChain.Value(j));
684 Handle(Geom_Curve) c3d = BRep_Tool::Curve(edge,Loc,fp1,lp1);
685 if(c3d.IsNull()) continue;
686 while(c3d->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) {
687 Handle(Geom_TrimmedCurve) tc =
688 Handle(Geom_TrimmedCurve)::DownCast(c3d);
689 c3d = tc->BasisCurve();
690 }
691 if( ( c3d->IsKind(STANDARD_TYPE(Geom_BSplineCurve)) ||
692 c3d->IsKind(STANDARD_TYPE(Geom_BezierCurve)) ) ) continue;
693 NeedUnion = false;
694 break;
695 }
696 if(NeedUnion) {
697#ifdef DEB
698 cout<<"can not make analitical union => make approximation"<<endl;
699#endif
700 TopoDS_Edge E = GlueEdgesWithPCurves(aChain, VF, VL);
701 /*
702 TopoDS_Wire W;
703 B.MakeWire(W);
704 for(j=1; j<=aChain.Length(); j++) {
705 TopoDS_Edge edge = TopoDS::Edge(aChain.Value(j));
706 B.Add(W,edge);
707 }
708 Handle(BRepAdaptor_HCompCurve) Adapt = new BRepAdaptor_HCompCurve(W);
709 Approx_Curve3d Conv(Adapt,Tol,GeomAbs_C1,9,1000);
710 Handle(Geom_BSplineCurve) bc = Conv.Curve();
711 TopoDS_Edge E;
712 B.MakeEdge (E,bc,Precision::Confusion());
713 B.Add (E,VF);
714 B.Add (E,VL);
715 */
716 aChain.SetValue(1,E);
717 }
718 else {
719#ifdef DEB
720 cout<<"can not make approximation for such types of curves"<<endl;
721#endif
722 return Standard_False;
723 }
724 }
725
726 anEdge = TopoDS::Edge(aChain.Value(1));
727 return Standard_True;
728}
729
730//=======================================================================
731//function : ShapeUpgrade_UnifySameDomain
732//purpose : Constructor
733//=======================================================================
734
735ShapeUpgrade_UnifySameDomain::ShapeUpgrade_UnifySameDomain()
736{
737 myUnifyEdges = Standard_True;
738 myUnifyFaces = Standard_True;
739 myConcatBSplines = Standard_False;
740
741 myContext = new ShapeBuild_ReShape;
742}
743
744//=======================================================================
745//function : ShapeUpgrade_UnifySameDomain
746//purpose : Constructor
747//=======================================================================
748
749ShapeUpgrade_UnifySameDomain::ShapeUpgrade_UnifySameDomain(const TopoDS_Shape& aShape,
750 const Standard_Boolean UnifyEdges,
751 const Standard_Boolean UnifyFaces,
752 const Standard_Boolean ConcatBSplines)
753{
754 myInitShape = aShape;
755 myShape = aShape;
756 myUnifyEdges = UnifyEdges;
757 myUnifyFaces = UnifyFaces;
758 myConcatBSplines = ConcatBSplines;
759
760 myContext = new ShapeBuild_ReShape;
761}
762
763//=======================================================================
764//function : Initialize
765//purpose :
766//=======================================================================
767
768void ShapeUpgrade_UnifySameDomain::Initialize(const TopoDS_Shape& aShape,
769 const Standard_Boolean UnifyEdges,
770 const Standard_Boolean UnifyFaces,
771 const Standard_Boolean ConcatBSplines)
772{
773 myInitShape = aShape;
774 myShape = aShape;
775 myUnifyEdges = UnifyEdges;
776 myUnifyFaces = UnifyFaces;
777 myConcatBSplines = ConcatBSplines;
778
779 myContext->Clear();
780 //myOldNewMap.Clear();
781 //myGenerated.Clear();
782}
783
784//=======================================================================
785//function : UnifyFaces
786//purpose :
787//=======================================================================
788
789void ShapeUpgrade_UnifySameDomain::UnifyFaces()
790{
791 //Handle(ShapeBuild_ReShape) myContext = new ShapeBuild_ReShape;
792 TopoDS_Shape aResShape = myContext->Apply(myShape);
793
794 // processing each shell
795 TopExp_Explorer exps;
796 for (exps.Init(myShape, TopAbs_SHELL); exps.More(); exps.Next()) {
797 TopoDS_Shell aShell = TopoDS::Shell(exps.Current());
798
799 // creating map of edge faces
800 TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces;
801 TopExp::MapShapesAndAncestors(aShell, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces);
802
803 // map of processed shapes
804 TopTools_MapOfShape aProcessed;
805
806 //Handle(ShapeBuild_ReShape) aContext = new ShapeBuild_ReShape;
807
808 Standard_Integer NbModif = 0;
809 Standard_Boolean hasFailed = Standard_False;
810 Standard_Real tol = Precision::Confusion();
811
812 // count faces
813 Standard_Integer nbf = 0;
814 TopExp_Explorer exp;
815 TopTools_MapOfShape mapF;
816 for (exp.Init(aShell, TopAbs_FACE); exp.More(); exp.Next()) {
817 if (mapF.Add(exp.Current()))
818 nbf++;
819 }
820
821 // processing each face
822 mapF.Clear();
823 for (exp.Init(aShell, TopAbs_FACE); exp.More(); exp.Next()) {
824 TopoDS_Face aFace = TopoDS::Face(exp.Current().Oriented(TopAbs_FORWARD));
825
826 if (aProcessed.Contains(aFace))
827 continue;
828
829 Standard_Integer dummy;
830 TopTools_SequenceOfShape edges;
831 AddOrdinaryEdges(edges,aFace,dummy);
832
833 TopTools_SequenceOfShape faces;
834 faces.Append(aFace);
835
836 //surface and location to construct result
837 TopLoc_Location aBaseLocation;
838 Handle(Geom_Surface) aBaseSurface = BRep_Tool::Surface(aFace,aBaseLocation);
839 aBaseSurface = ClearRts(aBaseSurface);
840
841 // find adjacent faces to union
842 Standard_Integer i;
843 for (i = 1; i <= edges.Length(); i++) {
844 TopoDS_Edge edge = TopoDS::Edge(edges(i));
845 if (BRep_Tool::Degenerated(edge))
846 continue;
847
848 const TopTools_ListOfShape& aList = aMapEdgeFaces.FindFromKey(edge);
849 TopTools_ListIteratorOfListOfShape anIter(aList);
850 for (; anIter.More(); anIter.Next()) {
851 TopoDS_Face anCheckedFace = TopoDS::Face(anIter.Value().Oriented(TopAbs_FORWARD));
852 if (anCheckedFace.IsSame(aFace))
853 continue;
854
855 if (aProcessed.Contains(anCheckedFace))
856 continue;
857
858 if (IsSameDomain(aFace,anCheckedFace)) {
859
860 if (aList.Extent() != 2) {
861 // non mainfold case is not processed
862 continue;
863 }
864
865 // replacing pcurves
866 TopoDS_Face aMockUpFace;
867 BRep_Builder B;
868 B.MakeFace(aMockUpFace,aBaseSurface,aBaseLocation,0.);
869 MovePCurves(aMockUpFace,anCheckedFace);
870
871 if (AddOrdinaryEdges(edges,aMockUpFace,dummy)) {
872 // sequence edges is modified
873 i = dummy;
874 }
875
876 faces.Append(anCheckedFace);
877 aProcessed.Add(anCheckedFace);
878 break;
879 }
880 }
881 }
882
883 // all faces collected in the sequence. Perform union of faces
884 if (faces.Length() > 1) {
885 NbModif++;
886 TopoDS_Face aResult;
887 BRep_Builder B;
888 B.MakeFace(aResult,aBaseSurface,aBaseLocation,0);
889 Standard_Integer nbWires = 0;
890
891 // connecting wires
892 while (edges.Length()>0) {
893
894 Standard_Boolean isEdge3d = Standard_False;
895 nbWires++;
896 TopTools_MapOfShape aVertices;
897 TopoDS_Wire aWire;
898 B.MakeWire(aWire);
899
900 TopoDS_Edge anEdge = TopoDS::Edge(edges(1));
901 edges.Remove(1);
902
903 isEdge3d |= !BRep_Tool::Degenerated(anEdge);
904 B.Add(aWire,anEdge);
905 TopoDS_Vertex V1,V2;
906 TopExp::Vertices(anEdge,V1,V2);
907 aVertices.Add(V1);
908 aVertices.Add(V2);
909
910 Standard_Boolean isNewFound = Standard_False;
911 do {
912 isNewFound = Standard_False;
913 for(Standard_Integer j = 1; j <= edges.Length(); j++) {
914 anEdge = TopoDS::Edge(edges(j));
915 TopExp::Vertices(anEdge,V1,V2);
916 if(aVertices.Contains(V1) || aVertices.Contains(V2)) {
917 isEdge3d |= !BRep_Tool::Degenerated(anEdge);
918 aVertices.Add(V1);
919 aVertices.Add(V2);
920 B.Add(aWire,anEdge);
921 edges.Remove(j);
922 j--;
923 isNewFound = Standard_True;
924 }
925 }
926 } while (isNewFound);
927
928 // sorting any type of edges
929 //aWire = TopoDS::Wire(aContext->Apply(aWire));
930 aWire = TopoDS::Wire(myContext->Apply(aWire));
931
932 //TopoDS_Face tmpF = TopoDS::Face(aContext->Apply(faces(1).Oriented(TopAbs_FORWARD)));
933 TopoDS_Face tmpF = TopoDS::Face(myContext->Apply(faces(1).Oriented(TopAbs_FORWARD)));
934 Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire(aWire,tmpF,Precision::Confusion());
935 sfw->FixReorder();
936 Standard_Boolean isDegRemoved = Standard_False;
937 if(!sfw->StatusReorder ( ShapeExtend_FAIL )) {
938 // clear degenerated edges if at least one with 3d curve exist
939 if(isEdge3d) {
940 Handle(ShapeExtend_WireData) sewd = sfw->WireData();
941 for(Standard_Integer j = 1; j<=sewd->NbEdges();j++) {
942 TopoDS_Edge E = sewd->Edge(j);
943 if(BRep_Tool::Degenerated(E)) {
944 sewd->Remove(j);
945 isDegRemoved = Standard_True;
946 j--;
947 }
948 }
949 }
950 sfw->FixShifted();
951 if(isDegRemoved)
952 sfw->FixDegenerated();
953 }
954 TopoDS_Wire aWireFixed = sfw->Wire();
955 //aContext->Replace(aWire,aWireFixed);
956 myContext->Replace(aWire,aWireFixed);
957 //for history
958 /*
959 if (!myOldNewMap.IsBound(aWire))
960 {
961 TopTools_ListOfShape EmptyList;
962 myOldNewMap.Bind(aWire, EmptyList);
963 }
964 myOldNewMap(aWire).Clear();
965 myOldNewMap(aWire).Append(aWireFixed);
966 */
967 /////////////
968
969 // add resulting wire
970 if(isEdge3d) {
971 B.Add(aResult,aWireFixed);
972 }
973 else {
974 // sorting edges
975 Handle(ShapeExtend_WireData) sbwd = sfw->WireData();
976 Standard_Integer nbEdges = sbwd->NbEdges();
977 // sort degenerated edges and create one edge instead of several ones
978 ShapeAnalysis_WireOrder sawo(Standard_False, 0);
979 ShapeAnalysis_Edge sae;
980 Standard_Integer aLastEdge = nbEdges;
981 for(Standard_Integer j = 1; j <= nbEdges; j++) {
982 Standard_Real f,l;
983 //smh protection on NULL pcurve
984 Handle(Geom2d_Curve) c2d;
985 if(!sae.PCurve(sbwd->Edge(j),tmpF,c2d,f,l)) {
986 aLastEdge--;
987 continue;
988 }
989 sawo.Add(c2d->Value(f).XY(),c2d->Value(l).XY());
990 }
991 sawo.Perform();
992
993 // constructind one degenerative edge
994 gp_XY aStart, anEnd, tmp;
995 Standard_Integer nbFirst = sawo.Ordered(1);
996 TopoDS_Edge anOrigE = TopoDS::Edge(sbwd->Edge(nbFirst).Oriented(TopAbs_FORWARD));
997 ShapeBuild_Edge sbe;
998 TopoDS_Vertex aDummyV;
999 TopoDS_Edge E = sbe.CopyReplaceVertices(anOrigE,aDummyV,aDummyV);
1000 sawo.XY(nbFirst,aStart,tmp);
1001 sawo.XY(sawo.Ordered(aLastEdge),tmp,anEnd);
1002
1003 gp_XY aVec = anEnd-aStart;
1004 Handle(Geom2d_Line) aLine = new Geom2d_Line(aStart,gp_Dir2d(anEnd-aStart));
1005
1006 B.UpdateEdge(E,aLine,tmpF,0.);
1007 B.Range(E,tmpF,0.,aVec.Modulus());
1008 Handle(Geom_Curve) C3d;
1009 B.UpdateEdge(E,C3d,0.);
1010 B.Degenerated(E,Standard_True);
1011 TopoDS_Wire aW;
1012 B.MakeWire(aW);
1013 B.Add(aW,E);
1014 B.Add(aResult,aW);
1015 }
1016 }
1017
1018 // perform substitution of face
1019 //aContext->Replace(aContext->Apply(aFace),aResult);
1020 myContext->Replace(myContext->Apply(aFace),aResult);
1021 //for history
1022 /*
1023 if (!myOldNewMap.IsBound(aFace))
1024 {
1025 TopTools_ListOfShape EmptyList;
1026 myOldNewMap.Bind(aFace, EmptyList);
1027 }
1028 myOldNewMap(aFace).Clear();
1029 myOldNewMap(aFace).Append(aResult);
1030 */
1031 /////////////
1032
1033 ShapeFix_Face sff (aResult);
1034 //Intializing by tolerances
1035 sff.SetPrecision(Precision::Confusion());
1036 sff.SetMinTolerance(tol);
1037 sff.SetMaxTolerance(1.);
1038 //Setting modes
1039 sff.FixOrientationMode() = 0;
1040 //sff.FixWireMode() = 0;
1041 //sff.SetContext(aContext);
1042 sff.SetContext(myContext);
1043 // Applying the fixes
1044 sff.Perform();
1045 if(sff.Status(ShapeExtend_FAIL))
1046 hasFailed = Standard_True;
1047
1048 // breaking down to several faces
1049 //TopoDS_Shape theResult = aContext->Apply(aResult);
1050 TopoDS_Shape theResult = myContext->Apply(aResult);
1051 for (TopExp_Explorer aFaceExp (theResult,TopAbs_FACE); aFaceExp.More(); aFaceExp.Next()) {
1052 TopoDS_Face aCurrent = TopoDS::Face(aFaceExp.Current().Oriented(TopAbs_FORWARD));
1053 Handle(TColGeom_HArray2OfSurface) grid = new TColGeom_HArray2OfSurface ( 1, 1, 1, 1 );
1054 grid->SetValue ( 1, 1, aBaseSurface );
1055 Handle(ShapeExtend_CompositeSurface) G = new ShapeExtend_CompositeSurface ( grid );
1056 ShapeFix_ComposeShell CompShell;
1057 CompShell.Init ( G, aBaseLocation, aCurrent, ::Precision::Confusion() );//myPrecision
1058 //CompShell.SetContext( aContext );
1059 CompShell.SetContext( myContext );
1060
1061 TopTools_SequenceOfShape parts;
1062 ShapeFix_SequenceOfWireSegment wires;
1063 for(TopExp_Explorer W_Exp(aCurrent,TopAbs_WIRE);W_Exp.More();W_Exp.Next()) {
1064 Handle(ShapeExtend_WireData) sbwd =
1065 new ShapeExtend_WireData ( TopoDS::Wire(W_Exp.Current() ));
1066 ShapeFix_WireSegment seg ( sbwd, TopAbs_REVERSED );
1067 wires.Append(seg);
1068 }
1069
1070 CompShell.DispatchWires ( parts,wires );
1071 for (Standard_Integer j=1; j <= parts.Length(); j++ ) {
1072 ShapeFix_Face aFixOrient(TopoDS::Face(parts(j)));
1073 //aFixOrient.SetContext(aContext);
1074 aFixOrient.SetContext(myContext);
1075 aFixOrient.FixOrientation();
1076 }
1077
1078 TopoDS_Shape CompRes;
1079 if ( faces.Length() !=1 ) {
1080 TopoDS_Shell S;
1081 B.MakeShell ( S );
1082 for ( i=1; i <= parts.Length(); i++ )
1083 B.Add ( S, parts(i) );
1084 CompRes = S;
1085 }
1086 else CompRes = parts(1);
1087
1088 //aContext->Replace(aCurrent,CompRes);
1089 myContext->Replace(aCurrent,CompRes);
1090 //for history
1091 /*
1092 if (!myOldNewMap.IsBound(aCurrent))
1093 {
1094 TopTools_ListOfShape EmptyList;
1095 myOldNewMap.Bind(aCurrent, EmptyList);
1096 }
1097 myOldNewMap(aCurrent).Clear();
1098 myOldNewMap(aCurrent).Append(CompRes);
1099 */
1100 /////////////
1101 }
1102
1103 // remove the remaining faces
1104 for(i = 2; i <= faces.Length(); i++)
1105 //aContext->Remove(faces(i));
1106 myContext->Remove(faces(i));
1107 }
1108 } // end processing each face
1109
1110 //TopoDS_Shape aResult = Shape;
1111 if (NbModif > 0 && !hasFailed) {
1112 //TopoDS_Shape aResult = aContext->Apply(aShell);
1113 TopoDS_Shape aResult = myContext->Apply(aShell);
1114
1115 ShapeFix_Edge sfe;
1116 for (exp.Init(aResult,TopAbs_EDGE); exp.More(); exp.Next()) {
1117 TopoDS_Edge E = TopoDS::Edge(exp.Current());
1118 sfe.FixVertexTolerance (E);
1119 // ptv add fix same parameter
1120 sfe.FixSameParameter(E, Precision::Confusion());
1121 }
1122
1123 myContext->Replace(aShell, aResult);
1124 //for history
1125 /*
1126 if (!myOldNewMap.IsBound(aShell))
1127 {
1128 TopTools_ListOfShape EmptyList;
1129 myOldNewMap.Bind(aShell, EmptyList);
1130 }
1131 myOldNewMap(aShell).Clear();
1132 myOldNewMap(aShell).Append(aResult);
1133 */
1134 /////////////
1135 }
1136 //else
1137 {
1138 for (exp.Init(aShell, TopAbs_FACE); exp.More(); exp.Next()) {
1139 TopoDS_Face aFace = TopoDS::Face(exp.Current().Oriented(TopAbs_FORWARD));
1140 Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire;
1141 sfw->SetContext(myContext);
1142 sfw->SetPrecision(Precision::Confusion());
1143 sfw->SetMinTolerance(Precision::Confusion());
1144 sfw->SetMaxTolerance(1.);
1145 sfw->SetFace(aFace);
1146 for (TopoDS_Iterator iter (aFace,Standard_False); iter.More(); iter.Next()) {
1147 TopoDS_Wire wire = TopoDS::Wire(iter.Value());
1148 sfw->Load(wire);
1149 sfw->FixReorder();
1150 sfw->FixShifted();
1151 }
1152 }
1153 }
1154 } // end processing each shell
1155
1156 myShape = myContext->Apply(myShape);
1157}
1158
1159//=======================================================================
1160//function : UnifyEdges
1161//purpose :
1162//=======================================================================
1163
1164void ShapeUpgrade_UnifySameDomain::UnifyEdges()
1165{
1166 Standard_Real Tol = Precision::Confusion();
1167
1168 //Handle(ShapeBuild_ReShape) myContext = new ShapeBuild_ReShape;
1169 Standard_Real myTolerance = Precision::Confusion();
1170 TopoDS_Shape aResult = myContext->Apply(myShape);
1171
1172 // processing each solid
1173 TopAbs_ShapeEnum aType = TopAbs_SOLID;
1174 TopExp_Explorer exps (myShape, aType);
1175 if (!exps.More()) {
1176 aType = TopAbs_SHELL;
1177 exps.Init(myShape, aType);
1178 }
1179 for (; exps.More(); exps.Next()) {
1180 //TopoDS_Solid aSolid = TopoDS::Solid(exps.Current());
1181 TopoDS_Shape aSolid = exps.Current();
1182
1183 TopTools_IndexedMapOfShape ChangedFaces;
1184
1185 // creating map of edge faces
1186 TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces;
1187 TopExp::MapShapesAndAncestors(aSolid, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces);
1188
1189 //Handle(ShapeBuild_ReShape) aContext = new ShapeBuild_ReShape;
1190 TopoDS_Shape aRes = aSolid;
1191 //aRes = aContext->Apply(aSolid);
1192 aRes = myContext->Apply(aSolid);
1193
1194 // processing each face
1195 TopExp_Explorer exp;
1196 for (exp.Init(aRes, TopAbs_FACE); exp.More(); exp.Next()) {
1197 //TopoDS_Face aFace = TopoDS::Face(aContext->Apply(exp.Current().Oriented(TopAbs_FORWARD)));
1198 TopoDS_Face aFace = TopoDS::Face(myContext->Apply(exp.Current().Oriented(TopAbs_FORWARD)));
1199 TopTools_IndexedDataMapOfShapeListOfShape aMapFacesEdges;
1200
1201 for (TopExp_Explorer expe(aFace,TopAbs_EDGE); expe.More(); expe.Next()) {
1202 TopoDS_Edge edge = TopoDS::Edge(expe.Current());
1203 if (!aMapEdgeFaces.Contains(edge)) continue;
1204 const TopTools_ListOfShape& aList = aMapEdgeFaces.FindFromKey(edge);
1205 TopTools_ListIteratorOfListOfShape anIter(aList);
1206 for ( ; anIter.More(); anIter.Next()) {
1207 TopoDS_Face face = TopoDS::Face(anIter.Value());
1208 //TopoDS_Face face1 = TopoDS::Face(aContext->Apply(anIter.Value()));
1209 TopoDS_Face face1 = TopoDS::Face(myContext->Apply(anIter.Value()));
1210 if (face1.IsSame(aFace)) continue;
1211 if (aMapFacesEdges.Contains(face)) {
1212 aMapFacesEdges.ChangeFromKey(face).Append(edge);
1213 }
1214 else {
1215 TopTools_ListOfShape ListEdges;
1216 ListEdges.Append(edge);
1217 aMapFacesEdges.Add(face,ListEdges);
1218 }
1219 }
1220 }
1221
1222 for (Standard_Integer i=1; i<=aMapFacesEdges.Extent(); i++) {
1223 const TopTools_ListOfShape& ListEdges = aMapFacesEdges.FindFromIndex(i);
1224 TopTools_SequenceOfShape SeqEdges;
1225 TopTools_ListIteratorOfListOfShape anIter(ListEdges);
1226 for ( ; anIter.More(); anIter.Next()) {
1227 SeqEdges.Append(anIter.Value());
1228 }
1229 if (SeqEdges.Length()==1) continue;
1230 TopoDS_Edge E;
1231 if ( MergeEdges(SeqEdges,aFace,Tol,myConcatBSplines,E) ) {
1232 // now we have only one edge - aChain.Value(1)
1233 // we have to replace old ListEdges with this new edge
1234 //aContext->Replace(SeqEdges(1),E);
1235 myContext->Replace(SeqEdges(1),E);
1236 Standard_Integer j;
1237 for (j = 2; j <= SeqEdges.Length(); j++) {
1238 //aContext->Remove(SeqEdges(j));
1239 myContext->Remove(SeqEdges(j));
1240 //myOldNewMap.Bind(SeqEdges(j), E);
1241 }
1242 //for history
1243 /*
1244 for (j = 1; j <= SeqEdges.Length(); j++)
1245 {
1246 if (!myOldNewMap.IsBound(SeqEdges(j)))
1247 {
1248 TopTools_ListOfShape EmptyList;
1249 myOldNewMap.Bind(SeqEdges(j), EmptyList);
1250 }
1251 myOldNewMap(SeqEdges(j)).Clear();
1252 myOldNewMap(SeqEdges(j)).Append(E);
1253 }
1254 */
1255 /////////////
1256
1257 TopoDS_Face tmpF = TopoDS::Face(exp.Current());
1258 if ( !ChangedFaces.Contains(tmpF) )
1259 ChangedFaces.Add(tmpF);
1260 tmpF = TopoDS::Face(aMapFacesEdges.FindKey(i));
1261 if ( !ChangedFaces.Contains(tmpF) )
1262 ChangedFaces.Add(tmpF);
1263 }
1264 }
1265
1266 } // end processing each face
1267
1268 // fix changed faces and replace them in the local context
1269 for (Standard_Integer i=1; i<=ChangedFaces.Extent(); i++) {
1270 //TopoDS_Face aFace = TopoDS::Face(aContext->Apply(ChangedFaces.FindKey(i)));
1271 TopoDS_Face aFace = TopoDS::Face(myContext->Apply(ChangedFaces.FindKey(i)));
1272 Handle(ShapeFix_Face) sff = new ShapeFix_Face(aFace);
1273 sff->SetContext(myContext);
1274 sff->SetPrecision(myTolerance);
1275 sff->SetMinTolerance(myTolerance);
1276 sff->SetMaxTolerance(Max(1.,myTolerance*1000.));
1277 sff->Perform();
1278 TopoDS_Shape aNewFace = sff->Face();
1279 //aContext->Replace(aFace,aNewFace);
1280 myContext->Replace(aFace,aNewFace);
1281 //for history
1282 /*
1283 if (!myOldNewMap.IsBound(aFace))
1284 {
1285 TopTools_ListOfShape EmptyList;
1286 myOldNewMap.Bind(aFace, EmptyList);
1287 }
1288 myOldNewMap(aFace).Clear();
1289 myOldNewMap(aFace).Append(aNewFace);
1290 */
1291 /////////////
1292 }
1293
1294 if (ChangedFaces.Extent() > 0) {
1295 // fix changed shell and replace it in the local context
1296 //TopoDS_Shape aRes1 = aContext->Apply(aRes);
1297 TopoDS_Shape aRes1 = myContext->Apply(aRes);
1298 TopExp_Explorer expsh;
1299 for (expsh.Init(aRes1, TopAbs_SHELL); expsh.More(); expsh.Next()) {
1300 TopoDS_Shell aShell = TopoDS::Shell(expsh.Current());
1301 Handle(ShapeFix_Shell) sfsh = new ShapeFix_Shell;
1302 sfsh->FixFaceOrientation(aShell);
1303 TopoDS_Shape aNewShell = sfsh->Shell();
1304 //aContext->Replace(aShell,aNewShell);
1305 myContext->Replace(aShell,aNewShell);
1306 //for history
1307 /*
1308 if (!myOldNewMap.IsBound(aShell))
1309 {
1310 TopTools_ListOfShape EmptyList;
1311 myOldNewMap.Bind(aShell, EmptyList);
1312 }
1313 myOldNewMap(aShell).Clear();
1314 myOldNewMap(aShell).Append(aNewShell);
1315 */
1316 /////////////
1317 }
1318 //TopoDS_Shape aRes2 = aContext->Apply(aRes1);
1319 TopoDS_Shape aRes2 = myContext->Apply(aRes1);
1320 // put new solid into global context
1321 myContext->Replace(aSolid,aRes2);
1322 //for history
1323 /*
1324 if (!myOldNewMap.IsBound(aSolid))
1325 {
1326 TopTools_ListOfShape EmptyList;
1327 myOldNewMap.Bind(aSolid, EmptyList);
1328 }
1329 myOldNewMap(aSolid).Clear();
1330 myOldNewMap(aSolid).Append(aRes2);
1331 */
1332 /////////////
1333 }
1334
1335 } // end processing each solid
1336
1337 myShape = myContext->Apply(myShape);
1338}
1339
1340//=======================================================================
1341//function : UnifyFacesAndEdges
1342//purpose :
1343//=======================================================================
1344
1345void ShapeUpgrade_UnifySameDomain::UnifyFacesAndEdges()
1346{
1347 UnifyFaces();
1348
1349 /*
1350 ShapeUpgrade_RemoveLocations RemLoc;
1351 RemLoc.Remove(myShape);
1352 myShape = RemLoc.GetResult();
1353 */
1354
1355 UnifyEdges();
1356}
1357
1358//=======================================================================
1359//function : Build
1360//purpose : builds the resulting shape
1361//======================================================================
1362void ShapeUpgrade_UnifySameDomain::Build()
1363{
1364 if (myUnifyFaces && myUnifyEdges)
1365 UnifyFacesAndEdges();
1366
1367 else if (myUnifyEdges)
1368 UnifyEdges();
1369 else if (myUnifyFaces)
1370 UnifyFaces();
1371
1372 //Done();
1373}
1374
1375//=======================================================================
1376//function : Shape
1377//purpose : give the resulting shape
1378//=======================================================================
1379const TopoDS_Shape& ShapeUpgrade_UnifySameDomain::Shape() const
1380{
1381 return myShape;
1382}
1383
1384//=======================================================================
1385//function : Generated
1386//purpose : returns the new shape from the old one
1387//=======================================================================
1388TopoDS_Shape ShapeUpgrade_UnifySameDomain::Generated(const TopoDS_Shape& aShape) const
1389{
1390 TopoDS_Shape aNewShape = myContext->Apply(aShape);
1391 /*
1392 if (aNewShape.IsNull())
1393 aNewShape = myOldNewMap(aShape);
1394 */
1395
1396 return aNewShape;
1397}