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0025656: Specification of semantic of Closed flag of an edge
[occt.git] / src / BRepFill / BRepFill_Pipe.cxx
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b311480e 1// Created on: 1994-06-07
2// Created by: Bruno DUMORTIER
3// Copyright (c) 1994-1999 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.
7fd59977 16
17#include <BRepFill_Pipe.ixx>
18
19#include <Standard_ErrorHandler.hxx>
20
21#include <BRep_Tool.hxx>
22#include <BRep_Builder.hxx>
23#include <BRepClass3d_SolidClassifier.hxx>
24#include <BRepLib_MakeVertex.hxx>
46e68e02 25#include <BRepTools_Substitution.hxx>
7fd59977 26
27#include <GeomFill_CorrectedFrenet.hxx>
a31abc03 28#include <GeomFill_Frenet.hxx>
29#include <GeomFill_DiscreteTrihedron.hxx>
7fd59977 30#include <GeomFill_CurveAndTrihedron.hxx>
31
32#include <BRepFill_SectionPlacement.hxx>
33#include <BRepFill_ShapeLaw.hxx>
34#include <BRepFill_Edge3DLaw.hxx>
35#include <BRepFill_Sweep.hxx>
36
37#include <GeomAbs_Shape.hxx>
38#include <TopExp.hxx>
39#include <TopAbs_ShapeEnum.hxx>
40#include <TopoDS.hxx>
41#include <TopoDS_Shell.hxx>
42#include <TopoDS_Solid.hxx>
43#include <TopoDS_Compound.hxx>
44#include <TopoDS_Iterator.hxx>
46e68e02 45#include <TopTools_DataMapOfShapeInteger.hxx>
46#include <TColStd_DataMapOfIntegerInteger.hxx>
47#include <TColStd_DataMapIteratorOfDataMapOfIntegerInteger.hxx>
7fd59977 48
49#include <Precision.hxx>
50#include <Standard_NotImplemented.hxx>
51
52#include <Geom_TrimmedCurve.hxx>
53#include <Geom_OffsetCurve.hxx>
54#include <Geom_BSplineCurve.hxx>
c8ea5b8e 55#include <BRepBuilderAPI_Transform.hxx>
f52d1b53 56#include <BRepBuilderAPI_Copy.hxx>
c8ea5b8e 57#include <TopTools_SequenceOfShape.hxx>
475604b4 58#include <TopTools_ListIteratorOfListOfShape.hxx>
c8ea5b8e 59#include <BRepLib.hxx>
60
61#include <Geom2dAdaptor_HCurve.hxx>
62#include <GeomAdaptor_HSurface.hxx>
63#include <Adaptor3d_CurveOnSurface.hxx>
7fd59977 64
f52d1b53 65#include <ShapeUpgrade_RemoveLocations.hxx>
66
7fd59977 67#ifdef DRAW
68#include <DBRep.hxx>
69static Standard_Boolean Affich = 0;
70#endif
71
f52d1b53 72static void ReverseModifiedEdges(TopoDS_Shape& aShape,
73 TopTools_MapOfShape& Emap)
74{
75 TopExp_Explorer Explo(aShape, TopAbs_FACE);
76 BRep_Builder BB;
475604b4 77
f52d1b53 78 for (; Explo.More(); Explo.Next())
79 {
80 TopoDS_Shape aFace = Explo.Current();
81 TopoDS_Iterator itf(aFace);
82 for (; itf.More(); itf.Next())
83 {
84 TopoDS_Shape aWire = itf.Value();
475604b4 85 TopTools_ListOfShape Ledges;
f52d1b53 86 TopoDS_Iterator itw(aWire);
87 for (; itw.More(); itw.Next())
475604b4 88 Ledges.Append(itw.Value());
89
f52d1b53 90 aWire.Free(Standard_True);
475604b4 91 TopTools_ListIteratorOfListOfShape itl(Ledges);
92 for (; itl.More(); itl.Next())
93 BB.Remove(aWire, itl.Value());
94
95 for (itl.Initialize(Ledges); itl.More(); itl.Next())
f52d1b53 96 {
475604b4 97 TopoDS_Shape anEdge = itl.Value();
98 if (Emap.Contains(anEdge))
99 anEdge.Reverse();
100 BB.Add(aWire, anEdge);
f52d1b53 101 }
102 }
103 }
104}
c8ea5b8e 105
106static void UpdateTolFromTopOrBottomPCurve(const TopoDS_Face& aFace,
107 TopoDS_Edge& anEdge)
108{
109 Standard_Real fpar, lpar;
110 Handle(Geom2d_Curve) aPCurve = BRep_Tool::CurveOnSurface(anEdge, aFace, fpar, lpar);
111 if (aPCurve.IsNull())
112 return;
113
114 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, fpar, lpar);
115 if (aCurve.IsNull())
116 return;
117
118 Handle(Geom2dAdaptor_HCurve) GAHC2d = new Geom2dAdaptor_HCurve(aPCurve, fpar, lpar);
119 Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
120 Handle(GeomAdaptor_HSurface) GAHS = new GeomAdaptor_HSurface(aSurf);
121 Adaptor3d_CurveOnSurface ConS(GAHC2d, GAHS);
122
123 Standard_Real Tol = BRep_Tool::Tolerance(anEdge);
124 Standard_Real InitTol = Tol;
125 Standard_Real TolTol = Tol*Tol;
126 const Standard_Integer NCONTROL = 22;
127 Standard_Real delta = (lpar - fpar)/NCONTROL;
128 for (Standard_Integer i = 0; i <= NCONTROL; i++)
129 {
130 Standard_Real par = fpar + i*delta;
131 gp_Pnt pnt = aCurve->Value(par);
132 gp_Pnt prj = ConS.Value(par);
133 Standard_Real sqdist = pnt.SquareDistance(prj);
134 if (sqdist > TolTol)
135 TolTol = sqdist;
136 }
137 Tol = 1.00005 * Sqrt(TolTol);
138 if (Tol >= InitTol)
139 {
140 BRep_Builder BB;
141 BB.UpdateEdge(anEdge, Tol);
142 TopoDS_Iterator itv(anEdge);
143 for (; itv.More(); itv.Next())
144 {
145 TopoDS_Vertex aVertex = TopoDS::Vertex(itv.Value());
146 BB.UpdateVertex(aVertex, Tol);
147 }
148 }
149}
150
7fd59977 151//=======================================================================
152//function : BRepFill_Pipe
153//purpose :
154//=======================================================================
155
156BRepFill_Pipe::BRepFill_Pipe()
157{
471ce736 158 myDegmax = 11;
7fd59977 159 mySegmax = 100;
471ce736 160 myContinuity = GeomAbs_C2;
a31abc03 161 myMode = GeomFill_IsCorrectedFrenet;
162 myForceApproxC1 = Standard_False;
c8ea5b8e 163
164 myCurIndexOfSectionEdge = 1;
7fd59977 165}
166
167
168//=======================================================================
169//function : BRepFill_Pipe
170//purpose :
171//=======================================================================
172
173BRepFill_Pipe::BRepFill_Pipe(const TopoDS_Wire& Spine,
174 const TopoDS_Shape& Profile,
471ce736 175 const GeomFill_Trihedron aMode,
176 const Standard_Boolean ForceApproxC1,
7fd59977 177 const Standard_Boolean KPart)
471ce736 178
7fd59977 179{
471ce736 180 myDegmax = 11;
7fd59977 181 mySegmax = 100;
471ce736 182
a31abc03 183 myMode = GeomFill_IsCorrectedFrenet;
a31abc03 184 if (aMode == GeomFill_IsFrenet ||
185 aMode == GeomFill_IsCorrectedFrenet ||
186 aMode == GeomFill_IsDiscreteTrihedron)
187 myMode = aMode;
a31abc03 188
471ce736 189 myContinuity = GeomAbs_C2;
190 if (myMode == GeomFill_IsDiscreteTrihedron)
191 myContinuity = GeomAbs_C0;
192
a31abc03 193 myForceApproxC1 = ForceApproxC1;
c8ea5b8e 194
195 myCurIndexOfSectionEdge = 1;
196
471ce736 197 Perform(Spine, Profile, KPart);
a31abc03 198}
7fd59977 199
200
201//=======================================================================
202//function : Perform
203//purpose :
204//=======================================================================
205
206void BRepFill_Pipe::Perform(const TopoDS_Wire& Spine,
207 const TopoDS_Shape& Profile,
35e08fe8 208 const Standard_Boolean /*KPart*/)
7fd59977 209
210{
211 mySections.Nullify();
212 myFaces.Nullify();
213 myEdges.Nullify();
214
215 mySpine = Spine;
216 myProfile = Profile;
217
218 DefineRealSegmax();
219
220 BRepTools_WireExplorer wexp;
221 TopoDS_Shape TheProf;
222
a31abc03 223 Handle(GeomFill_TrihedronLaw) TLaw;
224 switch (myMode)
225 {
226 case GeomFill_IsFrenet:
227 TLaw = new GeomFill_Frenet();
228 break;
229 case GeomFill_IsCorrectedFrenet:
230 TLaw = new GeomFill_CorrectedFrenet();
231 break;
232 case GeomFill_IsDiscreteTrihedron:
233 TLaw = new GeomFill_DiscreteTrihedron();
234 break;
566f8441 235 default:
236 break;
a31abc03 237 }
7fd59977 238 Handle(GeomFill_CurveAndTrihedron) Loc =
239 new (GeomFill_CurveAndTrihedron) (TLaw);
240 myLoc = new (BRepFill_Edge3DLaw) (mySpine, Loc);
241 if (myLoc->NbLaw() == 0) {
0d969553 242 return; // Degenerated case
7fd59977 243 }
0d969553 244 myLoc->TransformInG0Law(); // Set into continuity
7fd59977 245
246 BRepFill_SectionPlacement Place(myLoc, Profile);
247 myTrsf = Place.Transformation();
248
249 TopLoc_Location Loc2(myTrsf), Loc1;
250 Loc1 = Profile.Location();
251 TopoDS_Shape aux;
252 TheProf = myProfile;
253 TheProf.Location(Loc2.Multiplied(Loc1));
254
0d969553 255 // Construct First && Last Shape
7fd59977 256 Handle(GeomFill_LocationLaw) law;
257
258 gp_Mat M;
259 gp_Vec V;
260 gp_Trsf fila;
261 Standard_Real first, last;
262 myLoc->Law(1)->GetDomain(first, last);
263 myLoc->Law(1)->D0(first, M, V);
264 fila.SetValues(M(1,1), M(1,2), M(1,3), V.X(),
265 M(2,1), M(2,2), M(2,3), V.Y(),
7a8c6a36 266 M(3,1), M(3,2), M(3,3), V.Z());
7fd59977 267
268 fila.Multiply(myTrsf);
269 TopLoc_Location LocFirst(fila);
270 myFirst = myProfile;
271 if ( ! LocFirst.IsIdentity()) {
c8ea5b8e 272 //myFirst.Location( LocFirst.Multiplied(myProfile.Location()) );
273 myFirst = BRepBuilderAPI_Transform(myProfile, fila, Standard_True); //copy
7fd59977 274 }
275
f52d1b53 276 ShapeUpgrade_RemoveLocations RemLoc;
32a15d12 277 RemLoc.SetRemoveLevel(TopAbs_COMPOUND);
f52d1b53 278 RemLoc.Remove(myFirst);
279 myFirst = RemLoc.GetResult();
f52d1b53 280
7fd59977 281 myLoc->Law(myLoc->NbLaw())->GetDomain(first, last);
282 myLoc->Law(myLoc->NbLaw())->D0(last,M, V);
0d969553 283// try { // Not good, but there are no other means to test SetValues
7fd59977 284 fila.SetValues(M(1,1), M(1,2), M(1,3), V.X(),
285 M(2,1), M(2,2), M(2,3), V.Y(),
7a8c6a36 286 M(3,1), M(3,2), M(3,3), V.Z());
7fd59977 287 fila.Multiply(myTrsf);
288 TopLoc_Location LocLast(fila);
289 if (! myLoc->IsClosed() || LocFirst != LocLast) {
290 myLast = myProfile;
291 if ( ! LocLast.IsIdentity()) {
c8ea5b8e 292 //myLast.Location(LocLast.Multiplied(myProfile.Location()) );
293 myLast = BRepBuilderAPI_Transform(myProfile, fila, Standard_True); //copy
7fd59977 294 }
295 }
296 else {
297 myLast = myFirst;
298 }
f52d1b53 299
300 RemLoc.Remove(myLast);
301 myLast = RemLoc.GetResult();
f52d1b53 302
7fd59977 303#if DRAW
304 if (Affich) {
305 DBRep::Set("theprof", TheProf);
306 DBRep::Set("thefirst", myFirst);
307 DBRep::Set("thelast" , myLast);
308 }
309#endif
310
311 myShape = MakeShape(TheProf, myFirst, myLast);
312}
313
314
315//=======================================================================
316//function : Spine
317//purpose :
318//=======================================================================
319
320const TopoDS_Shape& BRepFill_Pipe::Spine() const
321{
322 return mySpine;
323}
324
325//=======================================================================
326//function : Profile
327//purpose :
328//=======================================================================
329
330const TopoDS_Shape& BRepFill_Pipe::Profile() const
331{
332 return myProfile;
333}
334
335//=======================================================================
336//function : Shape
337//purpose :
338//=======================================================================
339
340const TopoDS_Shape& BRepFill_Pipe::Shape() const
341{
342 return myShape;
343}
344
73920cd4 345//=======================================================================
346//function : ErrorOnSurface
347//purpose :
348//=======================================================================
349
350Standard_Real BRepFill_Pipe::ErrorOnSurface() const
351{
352 return myErrorOnSurf;
353}
354
7fd59977 355
356//=======================================================================
357//function : FirstShape
358//purpose :
359//=======================================================================
360
361const TopoDS_Shape& BRepFill_Pipe::FirstShape() const
362{
363 return myFirst;
364}
365
366
367//=======================================================================
368//function : LastShape
369//purpose :
370//=======================================================================
371
372const TopoDS_Shape& BRepFill_Pipe::LastShape() const
373{
374 return myLast;
375}
376
377
378//=======================================================================
379//function : Face
380//purpose :
381//=======================================================================
382
383TopoDS_Face BRepFill_Pipe::Face(const TopoDS_Edge& ESpine,
384 const TopoDS_Edge& EProfile)
385{
386 TopoDS_Face theFace;
387
388 if ( BRep_Tool::Degenerated(EProfile))
389 return theFace;
390
391 Standard_Integer ii, ispin = 0, iprof = 0, count = 0;
392
393 // *************************************************
394 // Search if EProfile is an edge of myProfile
395 // *************************************************
396 iprof = FindEdge(myProfile, EProfile, count);
397
398 if (!iprof) Standard_DomainError::Raise(
399 "BRepFill_Pipe::Face : Edge not in the Profile");
400
401
402 // *************************************************
403 // Search if ESpine is an edge of mySpine and find
404 // the index of the corresponding Filler
405 // *************************************************
406 for (ii=1; ii<=myLoc->NbLaw() && (!ispin); ii++)
407 if (ESpine.IsSame(myLoc->Edge(ii))) ispin = ii;
408
409 if (!ispin) Standard_DomainError::Raise(
410 "BRepFill_Pipe::Edge : Edge not in the Spine");
411
412 theFace = TopoDS::Face(myFaces->Value(iprof, ispin));
413 return theFace;
414
415}
416
417//=======================================================================
418//function : Edge
419//purpose :
420//=======================================================================
421TopoDS_Edge BRepFill_Pipe::Edge(const TopoDS_Edge& ESpine,
422 const TopoDS_Vertex& VProfile)
423{
424 Standard_Integer ii, ispin = 0, iprof = 0, count = 0;;
425
426 // *************************************************
427 // Search if VProfile is a Vertex of myProfile
428 // *************************************************
429 iprof = FindVertex(myProfile, VProfile, count);
430 if (!iprof) Standard_DomainError::Raise(
431 "BRepFill_Pipe::Edge : Vertex not in the Profile");
432
433
434 // *************************************************
435 // Search if ESpine is an edge of mySpine and find
436 // the index of the corresponding Filler
437 // *************************************************
438
439 for (ii=1; ii<=myLoc->NbLaw() && (!ispin); ii++)
440 if (ESpine.IsSame(myLoc->Edge(ii))) ispin = ii;
441
442 if (!ispin) Standard_DomainError::Raise(
443 "BRepFill_Pipe::Edge : Edge not in the Spine");
444
445
446 // *************************************************
447 // Generate the corresponding Shape
448 // *************************************************
449 TopoDS_Edge theEdge;
450 theEdge = TopoDS::Edge(myEdges->Value(iprof, ispin));
451
452 return theEdge;
453
454}
455
456
457//=======================================================================
458//function : Section
459//purpose :
460//=======================================================================
461
462TopoDS_Shape BRepFill_Pipe::Section(const TopoDS_Vertex& VSpine) const
463{
464 TopoDS_Iterator it, itv;
465
466 Standard_Integer ii, ispin = 0;
467
468 TopoDS_Shape curSect = myProfile;
469
470 // *************************************************
471 // Search if ESpine is an edge of mySpine and find
472 // the index of the corresponding Filler
473 // *************************************************
474
475 // iterate on all the edges of mySpine
476 for (ii=1; ii<=myLoc->NbLaw()+1 && (!ispin); ii++)
477 if (VSpine.IsSame(myLoc->Vertex(ii))) ispin = ii;
478
479 if (!ispin) Standard_DomainError::Raise(
480 "BRepFill_Pipe::Section : Vertex not in the Spine");
481
482 BRep_Builder B;
483 TopoDS_Compound Comp;
484 B.MakeCompound(Comp);
485 for (ii=1; ii<=mySections->ColLength(); ii++)
486 B.Add(Comp, mySections->Value(ii, ispin));
487
488 return Comp;
489}
490
491//=======================================================================
492//function : PipeLine
0d969553 493//purpose : Construct a wire by sweeping of a point
7fd59977 494//=======================================================================
495
c8ea5b8e 496TopoDS_Wire BRepFill_Pipe::PipeLine(const gp_Pnt& Point)
7fd59977 497{
0d969553 498 // Postioning
7fd59977 499 gp_Pnt P;
500 P = Point;
501 P.Transform(myTrsf);
502
503 BRepLib_MakeVertex MkV(P);
504 Handle(BRepFill_ShapeLaw) Section =
505 new (BRepFill_ShapeLaw) (MkV.Vertex());
506
0d969553 507 // Sweeping
7fd59977 508 BRepFill_Sweep MkSw(Section, myLoc, Standard_True);
a31abc03 509 MkSw.SetForceApproxC1(myForceApproxC1);
8e817497 510 MkSw.Build( myReversedEdges, myTapes, myRails,
c8ea5b8e 511 BRepFill_Modified, myContinuity, GeomFill_Location, myDegmax, mySegmax );
7fd59977 512 TopoDS_Shape aLocalShape = MkSw.Shape();
73920cd4 513 myErrorOnSurf = MkSw.ErrorOnSurface();
7fd59977 514 return TopoDS::Wire(aLocalShape);
515// return TopoDS::Wire(MkSw.Shape());
516}
517
518//=======================================================================
519//function : MakeShape
520//purpose :
521//=======================================================================
522
523TopoDS_Shape BRepFill_Pipe::MakeShape(const TopoDS_Shape& S,
524 const TopoDS_Shape& FirstShape,
525 const TopoDS_Shape& LastShape)
526{
527 TopoDS_Shape result;
528 BRep_Builder B;
529 Standard_Boolean explode = Standard_False;
530 TopoDS_Shape TheS, TheFirst, TheLast;
531 Standard_Integer InitialLength = 0;
532 TheS = S;
533 TheFirst = FirstShape;
534 TheLast = LastShape;
535 if (! myFaces.IsNull()) InitialLength = myFaces->ColLength();
536
537 // there are two kinds of generation
538 // 1. generate with S from each Filler (Vertex, Edge)
539 // 2. call MakeShape recursively on the subshapes of S
540 //
541 // explode is True in the second case
542
543 // create the result empty
544
545 switch (S.ShapeType()) {
546
547 case TopAbs_VERTEX :
548 {
549 B.MakeWire(TopoDS::Wire(result));
550 break;
551 }
552
553 case TopAbs_EDGE :
554 {
555 TopoDS_Wire W;
556 B.MakeShell(TopoDS::Shell(result));
557 B.MakeWire(W);
558 B.Add(W, S);
da72a17c 559 W.Closed(BRep_Tool::IsClosed(S));
7fd59977 560 TheS = W;
561 if (!FirstShape.IsNull()) {
562 B.MakeWire(W);
563 B.Add(W, FirstShape);
da72a17c 564 W.Closed(BRep_Tool::IsClosed(FirstShape));
7fd59977 565 TheFirst = W;
566 }
567 if (!LastShape.IsNull()) {
568 B.MakeWire(W);
569 B.Add(W, LastShape);
da72a17c 570 W.Closed(BRep_Tool::IsClosed(LastShape));
7fd59977 571 TheLast = W;
572 }
ab860031 573 result.Closed (BRep_Tool::IsClosed (result));
7fd59977 574 break;
575 }
576
577 case TopAbs_WIRE :
578 B.MakeShell(TopoDS::Shell(result));
579 break;
580
581 case TopAbs_FACE :
582 {
583 B.MakeShell(TopoDS::Shell(result));
584 explode = Standard_True;
585 if ( !mySpine.Closed() && !TheFirst.IsNull()) {
586 B.Add(result, TheFirst.Reversed());
587 }
ab860031 588 result.Closed (BRep_Tool::IsClosed (result));
7fd59977 589 break;
590 }
591
592 case TopAbs_SHELL :
593 {
594 B.MakeCompSolid(TopoDS::CompSolid(result));
595 explode = Standard_True;
596 break;
597 }
598
599 case TopAbs_SOLID :
600 case TopAbs_COMPSOLID :
c8ea5b8e 601 Standard_DomainError::Raise("BRepFill_Pipe::profile contains solids");
7fd59977 602 break;
603
604 case TopAbs_COMPOUND :
605 {
606 B.MakeCompound(TopoDS::Compound(result));
607 explode = Standard_True;
608 break;
609 }
7fd59977 610 default:
611 break;
7fd59977 612 }
613
614 if (explode) {
615 // add the subshapes
616 TopoDS_Iterator itFirst, itLast;
617 TopoDS_Shape first, last;
618 if (!TheFirst.IsNull()) itFirst.Initialize(TheFirst);
619 if (!TheLast.IsNull()) itLast.Initialize(TheLast);
620
621 for (TopoDS_Iterator it(S); it.More(); it.Next()) {
622 if (!TheFirst.IsNull()) first = itFirst.Value();
623 if (!TheLast.IsNull()) last = itLast.Value();
624 if (TheS.ShapeType() == TopAbs_FACE )
625 MakeShape(it.Value(), first, last);
626 else
627 B.Add(result,MakeShape(it.Value(), first, last));
628
629 if (!TheFirst.IsNull()) itFirst.Next();
630 if (!TheLast.IsNull()) itLast.Next();
631 }
632 }
633
634 else {
635 if (TheS.ShapeType() == TopAbs_VERTEX ) {
636 Handle(BRepFill_ShapeLaw) Section =
637 new (BRepFill_ShapeLaw) (TopoDS::Vertex(TheS));
638 BRepFill_Sweep MkSw(Section, myLoc, Standard_True);
a31abc03 639 MkSw.SetForceApproxC1(myForceApproxC1);
8e817497 640 MkSw.Build( myReversedEdges, myTapes, myRails,
c8ea5b8e 641 BRepFill_Modified, myContinuity, GeomFill_Location, myDegmax, mySegmax );
7fd59977 642 result = MkSw.Shape();
73920cd4 643 myErrorOnSurf = MkSw.ErrorOnSurface();
2cd138b8 644
645 Handle(TopTools_HArray2OfShape) aSections = MkSw.Sections();
646
647 if (aSections.IsNull() == Standard_False) {
648 const Standard_Integer aVLast = aSections->UpperCol();
649
650 myFirst = aSections->Value(1, 1);
651 myLast = aSections->Value(1, aVLast);
652 }
7fd59977 653 }
654
655 if (TheS.ShapeType() == TopAbs_WIRE ) {
656 Handle(BRepFill_ShapeLaw) Section =
657 new (BRepFill_ShapeLaw) (TopoDS::Wire(TheS));
658 BRepFill_Sweep MkSw(Section, myLoc, Standard_True);
659 MkSw.SetBounds(TopoDS::Wire(TheFirst),
660 TopoDS::Wire(TheLast));
a31abc03 661 MkSw.SetForceApproxC1(myForceApproxC1);
8e817497 662 MkSw.Build( myReversedEdges, myTapes, myRails,
c8ea5b8e 663 BRepFill_Modified, myContinuity, GeomFill_Location, myDegmax, mySegmax );
7fd59977 664 result = MkSw.Shape();
73920cd4 665 myErrorOnSurf = MkSw.ErrorOnSurface();
f52d1b53 666 //Correct <myFirst> and <myLast>
667 ReverseModifiedEdges(myFirst, myReversedEdges);
668 ReverseModifiedEdges(myLast, myReversedEdges);
7fd59977 669
0d969553 670 // Labeling of elements
7fd59977 671 if (mySections.IsNull()) {
672 myFaces = MkSw.SubShape();
673 mySections = MkSw.Sections();
674 myEdges = MkSw.InterFaces();
675 }
676 else {
677 Handle(TopTools_HArray2OfShape) Aux, Somme;
678 Standard_Integer length;
679 Standard_Integer ii, jj, kk;
680
681 Aux = MkSw.SubShape();
682 length = Aux->ColLength() + myFaces->ColLength();
683 Somme = new (TopTools_HArray2OfShape) (1, length, 1,
684 Aux->RowLength());
685 for (jj=1; jj<=myFaces->RowLength(); jj++) {
686 for (ii=1; ii<=myFaces->ColLength(); ii++)
687 Somme->SetValue(ii, jj, myFaces->Value(ii, jj));
688
689 for (kk=1, ii=myFaces->ColLength()+1;
690 kk <=Aux->ColLength(); kk++, ii++)
691 Somme->SetValue(ii, jj, Aux->Value(kk, jj));
692 }
693 myFaces = Somme;
7fd59977 694
695 Aux = MkSw.Sections();
696 length = Aux->ColLength() + mySections->ColLength();
697 Somme = new (TopTools_HArray2OfShape) (1, length, 1,
698 Aux->RowLength());
699 for (jj=1; jj<=mySections->RowLength(); jj++) {
700 for (ii=1; ii<=mySections->ColLength(); ii++)
701 Somme->SetValue(ii, jj, mySections->Value(ii, jj));
c8ea5b8e 702
703 myCurIndexOfSectionEdge = mySections->ColLength()+1;
704
7fd59977 705 for (kk=1, ii=mySections->ColLength()+1;
706 kk <=Aux->ColLength(); kk++, ii++)
707 Somme->SetValue(ii, jj, Aux->Value(kk, jj));
708 }
709 mySections = Somme;
710
711 Aux = MkSw.InterFaces();
712 length = Aux->ColLength() + myEdges->ColLength();
713 Somme = new (TopTools_HArray2OfShape) (1, length, 1,
714 Aux->RowLength());
715 for (jj=1; jj<=myEdges->RowLength(); jj++) {
716 for (ii=1; ii<=myEdges->ColLength(); ii++)
717 Somme->SetValue(ii, jj, myEdges->Value(ii, jj));
718
719 for (kk=1, ii=myEdges->ColLength()+1;
720 kk <=Aux->ColLength(); kk++, ii++)
721 Somme->SetValue(ii, jj, Aux->Value(kk, jj));
722 }
46e68e02 723
724 myEdges = Somme;
7fd59977 725 }
726 }
727 }
728
729 if ( TheS.ShapeType() == TopAbs_FACE ) {
730 Standard_Integer ii, jj;
c8ea5b8e 731 //jgv
732 TopExp_Explorer Explo(result, TopAbs_FACE);
733 for (; Explo.More(); Explo.Next())
734 {
735 TopoDS_Shape aFace = Explo.Current();
736 RebuildTopOrBottomFace(aFace.Reversed(), Standard_True); //top face was reversed
737 }
738 /////
7fd59977 739 TopoDS_Face F;
740 for (ii=InitialLength+1; ii<=myFaces->ColLength(); ii++) {
741 for (jj=1; jj<=myFaces->RowLength(); jj++) {
742 F = TopoDS::Face(myFaces->Value(ii, jj));
743 if (!F.IsNull()) B.Add(result, F);
744 }
745 }
746
747 if ( !mySpine.Closed()) {
748 // if Spine is not closed
749 // add the last face of the solid
c8ea5b8e 750
751 //jgv
752 RebuildTopOrBottomFace(TheLast, Standard_False); //bottom face
753 /////
7fd59977 754 B.Add(result, TopoDS::Face(TheLast));
755 }
756
757 TopoDS_Solid solid;
758 BRep_Builder BS;
759 BS.MakeSolid(solid);
760
761 result.Closed(Standard_True);
762 BS.Add(solid,TopoDS::Shell(result));
763
764 BRepClass3d_SolidClassifier SC(solid);
765 SC.PerformInfinitePoint(Precision::Confusion());
766 if ( SC.State() == TopAbs_IN) {
767 BS.MakeSolid(solid);
768 TopoDS_Shape aLocalShape = result.Reversed();
769 BS.Add(solid,TopoDS::Shell(aLocalShape));
770// BS.Add(solid,TopoDS::Shell(result.Reversed()));
771 }
772 return solid;
773 }
774 else {
775 return result;
776 }
7fd59977 777}
778
0d969553 779//============================================================================
7fd59977 780//function : FindEdge
0d969553
Y		 781//purpose : Find the number of edge corresponding to the edge of the profile.
782//============================================================================
7fd59977 783
784Standard_Integer BRepFill_Pipe::FindEdge(const TopoDS_Shape& S,
785 const TopoDS_Edge& E,
786 Standard_Integer& InitialLength) const
787{
788 Standard_Integer result = 0;
789
790 switch (S.ShapeType()) {
791
792 case TopAbs_EDGE :
793 {
794 InitialLength++;
795 if (S.IsSame(E)) result = InitialLength;
796 break;
797 }
798
799 case TopAbs_WIRE :
800 {
801 Standard_Integer ii = InitialLength+1;
802 Handle(BRepFill_ShapeLaw) Section =
803 new (BRepFill_ShapeLaw) (TopoDS::Wire(S), Standard_False);
804 InitialLength += Section->NbLaw();
805
806 for (; (ii<=InitialLength) && (!result); ii++) {
807 if (E.IsSame(Section->Edge(ii)) ) result = ii;
808 }
809 break;
810 }
811
812 case TopAbs_FACE :
813 case TopAbs_SHELL :
814 case TopAbs_COMPOUND :
815 {
816 for (TopoDS_Iterator it(S); it.More() && (!result); it.Next())
817 result = FindEdge(it.Value(), E, InitialLength );
818 break;
819 }
820
821 case TopAbs_SOLID :
822 case TopAbs_COMPSOLID :
823 Standard_DomainError::Raise("BRepFill_Pipe::SOLID or COMPSOLID");
824 break;
7fd59977 825 default:
826 break;
7fd59977 827 }
828
829 return result;
830}
831
832//=======================================================================
833//function : FindVertex
0d969553 834//purpose : Find the number of edge corresponding to an edge of the profile.
7fd59977 835//=======================================================================
836
837Standard_Integer BRepFill_Pipe::FindVertex(const TopoDS_Shape& S,
838 const TopoDS_Vertex& V,
839 Standard_Integer& InitialLength) const
840{
841 Standard_Integer result = 0;
842
843 switch (S.ShapeType()) {
844 case TopAbs_VERTEX :
845 {
846 InitialLength++;
847 if (S.IsSame(V)) result = InitialLength;
848 break;
849 }
850
851 case TopAbs_EDGE :
852 {
853 TopoDS_Vertex VF, VL;
854 TopExp::Vertices(TopoDS::Edge(S), VF, VL);
855 if (S.Orientation() == TopAbs_REVERSED) {
856 TopoDS_Vertex aux;
857 aux = VF; VF = VL; VL = aux;
858 }
859 if (VF.IsSame(V)) result = InitialLength+1;
860 else if (VL.IsSame(V)) result = InitialLength+2;
861 InitialLength += 2;
862 break;
863 }
864
865 case TopAbs_WIRE :
866 {
867 Standard_Integer ii = InitialLength+1;
868 Handle(BRepFill_ShapeLaw) Section =
869 new (BRepFill_ShapeLaw) (TopoDS::Wire(S), Standard_False);
870 InitialLength += Section->NbLaw()+1;
871
872 for (; (ii<=InitialLength) && (!result); ii++) {
873 if (V.IsSame(Section->Vertex(ii, 0.)) ) result = ii;
874 }
875 break;
876 }
877
878 case TopAbs_FACE :
879 case TopAbs_SHELL :
880 case TopAbs_COMPOUND :
881 {
882 for (TopoDS_Iterator it(S); it.More() && (!result); it.Next())
883 result = FindVertex(it.Value(), V, InitialLength);
884 break;
885 }
886
887 case TopAbs_SOLID :
888 case TopAbs_COMPSOLID :
889 Standard_DomainError::Raise("BRepFill_Pipe::SOLID or COMPSOLID");
890 break;
7fd59977 891 default:
892 break;
7fd59977 893 }
894
895 return result;
896}
897
898//=======================================================================
899//function : DefineRealSegmax
900//purpose : Defines the real number of segments
901// required in the case of bspline spine
902//=======================================================================
903
904void BRepFill_Pipe::DefineRealSegmax()
905{
906 Standard_Integer RealSegmax = 0;
907
908 TopoDS_Iterator iter(mySpine);
909 for (; iter.More(); iter.Next())
910 {
911 TopoDS_Edge E = TopoDS::Edge(iter.Value());
912 Standard_Real first, last;
913 Handle(Geom_Curve) C = BRep_Tool::Curve( E, first, last );
914 if (C.IsNull())
915 continue;
916 while (C->DynamicType() == STANDARD_TYPE(Geom_TrimmedCurve) ||
917 C->DynamicType() == STANDARD_TYPE(Geom_OffsetCurve))
918 {
919 if (C->DynamicType() == STANDARD_TYPE(Geom_TrimmedCurve))
920 C = (*((Handle(Geom_TrimmedCurve)*)&C))->BasisCurve();
921 if (C->DynamicType() == STANDARD_TYPE(Geom_OffsetCurve))
922 C = (*((Handle(Geom_OffsetCurve)*)&C))->BasisCurve();
923 }
924 if (C->DynamicType() == STANDARD_TYPE(Geom_BSplineCurve))
925 {
926 const Handle(Geom_BSplineCurve)& BC = *((Handle(Geom_BSplineCurve)*)&C);
927 Standard_Integer NbKnots = BC->NbKnots();
928 Standard_Integer RealNbKnots = NbKnots;
929 if (first > BC->FirstParameter())
930 {
931 Standard_Integer I1, I2;
932 BC->LocateU( first, Precision::PConfusion(), I1, I2 );
933 RealNbKnots -= I1-1;
934 }
935 if (last < BC->LastParameter())
936 {
937 Standard_Integer I1, I2;
938 BC->LocateU( last, Precision::PConfusion(), I1, I2 );
939 RealNbKnots -= NbKnots-I2;
940 }
941 RealSegmax += RealNbKnots-1;
942 }
943 }
944
945 if (mySegmax < RealSegmax)
946 mySegmax = RealSegmax;
947}
46e68e02 948
949//=======================================================================
c8ea5b8e 950//function : RebuildTopOrBottomFace
951//purpose : Correct orientation of v-iso edges
952// according to new 3d and 2d curves taken from swept surfaces
46e68e02 953//=======================================================================
954
c8ea5b8e 955void BRepFill_Pipe::RebuildTopOrBottomFace(const TopoDS_Shape& aFace,
956 const Standard_Boolean IsTop) const
46e68e02 957{
c8ea5b8e 958 Standard_Integer IndexOfSection =
959 (IsTop)? 1 : mySections->RowLength();
46e68e02 960
c8ea5b8e 961 Standard_Integer ii;
962 BRep_Builder BB;
963 TopoDS_Iterator itf(aFace);
964 for (; itf.More(); itf.Next())
965 {
966 TopoDS_Shape aWire = itf.Value();
967 TopTools_SequenceOfShape InitEdges;
968 TopTools_SequenceOfShape ResEdges;
969 TopoDS_Iterator itw(aWire);
970 for (; itw.More(); itw.Next())
971 {
972 TopoDS_Shape anEdge = itw.Value();
973 for (ii = myCurIndexOfSectionEdge; ii <= mySections->ColLength(); ii++)
974 {
975 TopoDS_Shape aVisoEdge = mySections->Value(ii, IndexOfSection);
976 if (anEdge.IsSame(aVisoEdge))
977 {
978 InitEdges.Append(anEdge);
979 ResEdges.Append(aVisoEdge);
46e68e02 980 break;
981 }
982 }
983 }
c8ea5b8e 984 aWire.Free(Standard_True);
985 for (ii = 1; ii <= InitEdges.Length(); ii++)
986 {
987 BB.Remove(aWire, InitEdges(ii));
988 UpdateTolFromTopOrBottomPCurve(TopoDS::Face(aFace), TopoDS::Edge(ResEdges(ii)));
989 BB.Add(aWire, ResEdges(ii));
46e68e02 990 }
991 }
46e68e02 992}
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