1 // Created on: 1995-03-29
2 // Created by: Frederic MAUPAS
3 // Copyright (c) 1995-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
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
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.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 // gka 21.08.98 PRO7656
18 // gka 15.12.98 UKI60591 #1274560
19 //pdn 18.12.98 to keep pcurves
20 //:o0 abv 16.02.99: POLYLINE allowed as 3d curve of edge
21 //: abv 07.04.99: S4136: improve tolerance management and dealing with pcurves
22 // rln 02.06.99 removing #include <StepToTopoDS_DegeneratedTool.hxx>
23 // smh 31.01.01 BUC60810 : IsNull protection
25 #include <BRep_Builder.hxx>
26 #include <BRep_CurveRepresentation.hxx>
27 #include <BRep_ListIteratorOfListOfCurveRepresentation.hxx>
28 #include <BRep_ListOfCurveRepresentation.hxx>
29 #include <BRep_TEdge.hxx>
30 #include <BRep_Tool.hxx>
32 #include <Geom2d_BoundedCurve.hxx>
33 #include <Geom2d_Curve.hxx>
34 #include <Geom2d_Line.hxx>
35 #include <Geom_Curve.hxx>
36 #include <Geom_Plane.hxx>
37 #include <Geom_RectangularTrimmedSurface.hxx>
38 #include <Geom_Surface.hxx>
40 #include <gp_Pnt2d.hxx>
41 #include <Interface_Static.hxx>
42 #include <Precision.hxx>
43 #include <ShapeAlgo.hxx>
44 #include <ShapeAlgo_AlgoContainer.hxx>
45 #include <ShapeAlgo_ToolContainer.hxx>
46 #include <ShapeAnalysis_Curve.hxx>
47 #include <ShapeAnalysis_Edge.hxx>
48 #include <ShapeBuild_Edge.hxx>
49 #include <ShapeExtend_WireData.hxx>
50 #include <ShapeFix_EdgeProjAux.hxx>
51 #include <Standard_ErrorHandler.hxx>
52 #include <StdFail_NotDone.hxx>
53 #include <StepGeom_Curve.hxx>
54 #include <StepGeom_Pcurve.hxx>
55 #include <StepGeom_PcurveOrSurface.hxx>
56 #include <StepGeom_Polyline.hxx>
57 #include <StepGeom_Surface.hxx>
58 #include <StepGeom_SurfaceCurve.hxx>
59 #include <StepRepr_DefinitionalRepresentation.hxx>
60 #include <StepShape_Edge.hxx>
61 #include <StepShape_EdgeCurve.hxx>
62 #include <StepShape_EdgeLoop.hxx>
63 #include <StepShape_FaceBound.hxx>
64 #include <StepShape_OrientedEdge.hxx>
65 #include <StepShape_Vertex.hxx>
66 #include <StepToGeom.hxx>
67 #include <StepToTopoDS.hxx>
68 #include <StepToTopoDS_GeometricTool.hxx>
69 #include <StepToTopoDS_NMTool.hxx>
70 #include <StepToTopoDS_Tool.hxx>
71 #include <StepToTopoDS_TranslateEdge.hxx>
72 #include <StepToTopoDS_TranslateEdgeLoop.hxx>
73 #include <StepToTopoDS_TranslateVertex.hxx>
76 #include <TopExp_Explorer.hxx>
77 #include <TopLoc_Location.hxx>
79 #include <TopoDS_Edge.hxx>
80 #include <TopoDS_Face.hxx>
81 #include <TopoDS_Iterator.hxx>
82 #include <TopoDS_Shape.hxx>
83 #include <TopoDS_Vertex.hxx>
84 #include <TopoDS_Wire.hxx>
85 #include <Transfer_TransientProcess.hxx>
87 #include <XSAlgo_AlgoContainer.hxx>
89 // ============================================================================
90 // Method : RemoveSinglePCurve
92 // ============================================================================
93 static void RemoveSinglePCurve (const TopoDS_Edge& aEdge, const TopoDS_Face& aFace)
95 ShapeBuild_Edge().RemovePCurve (aEdge, aFace);
98 // ============================================================================
99 // Method : RemovePCurves
101 // ============================================================================
103 static void RemovePCurves(const TopoDS_Wire& aWire, const TopoDS_Face& aFace)
105 TopExp_Explorer EdgeExp(aWire, TopAbs_EDGE);
106 while (EdgeExp.More()) {
107 const TopoDS_Edge& myEdge = TopoDS::Edge(EdgeExp.Current());
108 RemoveSinglePCurve(myEdge,aFace);
113 // ============================================================================
114 // Method : CheckPCurves
115 // Purpose : Checks the pcurves topological trimming parameter consistency
116 // and deviation between 2D ans 3D
117 // ============================================================================
119 static void CheckPCurves (TopoDS_Wire& aWire, const TopoDS_Face& aFace,
120 const Standard_Boolean isPlane,const Standard_Real preci )
122 if (isPlane) { RemovePCurves (aWire,aFace);return; }
124 Standard_Real w1, w2, cf, cl;
125 Handle(Geom_Surface) mySurf = BRep_Tool::Surface(aFace);
127 Handle(ShapeExtend_WireData) sbwd = new ShapeExtend_WireData ( aWire );
128 for (Standard_Integer i = 1; i <= sbwd->NbEdges(); i++) {
129 const TopoDS_Edge& myEdge = sbwd->Edge(i);
130 // B.SameRange( myEdge, Standard_True );
131 // B.SameParameter ( myEdge, Standard_True );
133 // First Check : 2D Parameters on Edge :
134 // Case 1 : w1 == w2 illegal => Drop the PCurve
135 // Case 2 : on bounded curve w1 < FirstParameter => w1 = FirstParameter
136 // w2 > LastParameter => w2 = LastParameter
138 Handle(Geom2d_Curve) thePC;
139 ShapeAnalysis_Edge sae;
140 if (!sae.PCurve (myEdge, aFace, thePC, w1, w2, Standard_False )) {
143 cf = thePC->FirstParameter();
144 cl = thePC->LastParameter();
147 RemoveSinglePCurve(myEdge,aFace);
149 cout<<"Removing pcuve w1=w2"<<endl;
155 B.Range(myEdge, aFace, cf, w2);
159 B.Range(myEdge, aFace, w1, cl);
163 if (w1 > w2 && mySurf->IsUPeriodic())
165 Standard_Real u1,u2,v1,v2;
166 mySurf->Bounds(u1,u2,v1,v2);
167 ElCLib::AdjustPeriodic(u1, u2,
168 Min(Abs(w2-w1)/2,Precision::PConfusion()),
170 B.Range(myEdge, aFace, w1, w2);
175 XSAlgo::AlgoContainer()->CheckPCurve (myEdge, aFace, preci, sbwd->IsSeam(i) );
179 // ============================================================================
180 // Method : StepToTopoDS_TranslateEdgeLoop::StepToTopoDS_TranslateEdgeLoop
181 // Purpose : Empty Constructor
182 // ============================================================================
184 StepToTopoDS_TranslateEdgeLoop::StepToTopoDS_TranslateEdgeLoop()
186 done = Standard_False;
189 // ============================================================================
190 // Method : StepToTopoDS_TranslateEdgeLoop::StepToTopoDS_TranslateEdgeLoop
191 // Purpose : Constructor with a FaceSurface and a Tool
192 // ============================================================================
194 StepToTopoDS_TranslateEdgeLoop::StepToTopoDS_TranslateEdgeLoop(const Handle(StepShape_FaceBound)& FB,
195 const TopoDS_Face& Face,
196 const Handle(Geom_Surface)& GeomSurf,
197 const Handle(StepGeom_Surface)& StepSurf,
198 const Standard_Boolean sameSense,
199 StepToTopoDS_Tool& T,
200 StepToTopoDS_NMTool& NMTool) {
201 Init(FB, Face, GeomSurf, StepSurf, sameSense, T, NMTool);
204 // ============================================================================
206 // Purpose : Init with a EdgeLoop and a Tool
207 // ============================================================================
209 void StepToTopoDS_TranslateEdgeLoop::Init(const Handle(StepShape_FaceBound)& FaceBound,
210 const TopoDS_Face& Face,
211 const Handle(Geom_Surface)& GeomSurf,
212 const Handle(StepGeom_Surface)& StepSurf,
213 const Standard_Boolean sameSense,
214 StepToTopoDS_Tool& aTool,
215 StepToTopoDS_NMTool& NMTool) {
216 done = Standard_True;
217 Handle(StepShape_EdgeLoop) EL =
218 Handle(StepShape_EdgeLoop)::DownCast(FaceBound->Bound());
220 if (aTool.IsBound(EL)) {
221 myResult = TopoDS::Wire(aTool.Find(EL));
222 myError = StepToTopoDS_TranslateEdgeLoopDone;
223 done = Standard_True;
226 Standard_Integer modepcurve = Interface_Static::IVal("read.surfacecurve.mode");
227 // 0,1 : suivre le code, 2 : ne prendre que pcurve, 3 : ne prendre que C3D
230 Handle(Transfer_TransientProcess) TP = aTool.TransientProcess();
232 Standard_Real preci = Precision();
237 // Standard_Real U1,U2, U1a, U1b, U2a, U2b;
239 Standard_Boolean isSeam, isLikeSeam;
241 Handle(StepShape_Edge) StepEdge, StepEdge1;
242 Handle(StepShape_OrientedEdge) OrEdge1, OrEdge2;
243 Handle(StepGeom_Curve) StepCurve, StepCurve1, StepCurve2;
244 // Handle(StepGeom_Pcurve) StepPCurve, StepPCurve1, StepPCurve2;
245 Handle(StepRepr_DefinitionalRepresentation) DRI, Dri1, Dri2;
247 Handle(Geom2d_Curve) C2d, C2d1, C2d2, WhichC2d1, WhichC2d2;
248 // unused gp_Pnt Pdeb, Pmil, Pfin, pV1, pV2;
250 TopoDS_Edge suspectE; //:f1, degEdge;
252 Standard_Integer j, NbEdge = EL->NbEdgeList();
254 TP->AddWarning(EL,"Wire not done. EdgeLoop does not contain edges.");
255 done = Standard_False;
259 // default value set as Standard_True (if not correct see logic of algorithm).
260 Standard_Boolean hasPcurve = Standard_True;
261 Standard_Boolean isPlane = GeomSurf->IsKind(STANDARD_TYPE(Geom_Plane));
262 Handle(Geom_Surface) ConvSurf = GeomSurf;
263 if (GeomSurf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
264 Handle(Geom_RectangularTrimmedSurface) theRTS =
265 Handle(Geom_RectangularTrimmedSurface)::DownCast(GeomSurf);
266 ConvSurf = theRTS->BasisSurface();
269 aTool.ComputePCurve(Standard_False);
271 // What is the Wire Orientation
272 Standard_Boolean ForwardWire = FaceBound->Orientation();
274 // --- Initialize target Wire ---
278 // Standard_Integer lastpcurve = 0;
280 // -----------------------------------------------
281 // Preparation : Make Vertices + Curves3d
282 // Hence, a closed curve limited by distinct vertices
283 // will give a unique vertex (if same coords)
285 // In addition : detect shared PCurve (cf SYRKO)
286 // This case may not be processed, PCurves has to be recomputed from scratch
287 // -----------------------------------------------
288 // Standard_Integer theSame = 1; //gka 15.12.98
290 for (j=1; j<=NbEdge; j++ ) {
291 OrEdge1 = EL->EdgeListValue(j);
292 StepEdge = OrEdge1->EdgeElement();
293 // if(j>1 && StepEdge == StepEdge1) theSame++; //gka 15.12.98
294 StepEdge1 = StepEdge; //
295 Handle(StepShape_EdgeCurve) EC = Handle(StepShape_EdgeCurve)::DownCast(StepEdge);
296 Handle(StepGeom_Curve) C = EC->EdgeGeometry();
298 if (C->IsKind(STANDARD_TYPE(StepGeom_SurfaceCurve))) {
299 Handle(StepGeom_SurfaceCurve) Sc = Handle(StepGeom_SurfaceCurve)::DownCast(C);
301 // if (modepcurve != 3) {
302 // lastpcurve = StepToTopoDS_GeometricTool::PCurve (Sc,StepSurf,StepPCurve1);
303 // if (StepPCurve1 == StepPCurve) modepcurve = -1;
304 // StepPCurve = StepPCurve1;
308 //// else if (C->IsKind(STANDARD_TYPE(StepGeom_Polyline))) { }
309 // else if (C->IsKind(STANDARD_TYPE(StepGeom_Pcurve))) {
310 // if (modepcurve != 3) {
311 // if (C == StepPCurve) modepcurve = -1;
312 // StepPCurve = Handle(StepGeom_Pcurve)::DownCast(C);
315 Handle(Geom_Curve) C1;
320 C1 = Handle(Geom_Curve)::DownCast (TP->FindTransient(C));
322 C1 = StepToGeom::MakeCurve (C);
324 TP->BindTransient (C,C1);
326 TP->AddWarning(C,"Could not convert a curve. Curve definition is incorrect");
329 catch (Standard_Failure)
331 TP->AddFail(C,"Exeption was raised. Curve geometry definition is incorrect");
333 cout << "Warning: StepToTopoDS_TranslateEdgeLoop: Exception: ";
334 Standard_Failure::Caught()->Print(cout); cout << endl;
339 Handle(StepShape_Vertex) Vstart, Vend;
340 if (EC->SameSense()) {
341 Vstart = EC->EdgeStart();
342 Vend = EC->EdgeEnd();
345 Vend = EC->EdgeStart();
346 Vstart = EC->EdgeEnd();
349 Standard_Boolean istV = aTool.IsBound(Vstart);
350 Standard_Boolean iseV = aTool.IsBound(Vend);
351 TopoDS_Vertex V1, V2;
352 StepToTopoDS_TranslateVertex myTranVertex1(Vstart, aTool, NMTool);
353 StepToTopoDS_TranslateVertex myTranVertex2(Vend, aTool, NMTool);
355 if (myTranVertex1.IsDone()) {
356 V1 = TopoDS::Vertex(myTranVertex1.Value());
358 // if (Vend == Vstart) { cas normal deja assure par aTool
359 // aTool.Bind (Vend,V1);
362 if (myTranVertex2.IsDone()) {
363 V2 = TopoDS::Vertex(myTranVertex2.Value());
364 gp_Pnt p1 = BRep_Tool::Pnt(V1);
365 gp_Pnt p2 = BRep_Tool::Pnt(V2);
366 if (p1.Distance(p2) <= Precision::Confusion() ) { //:S4136: preci) {
367 Standard_Boolean Fixed = Standard_True;
368 if(!iseV) aTool.Bind(Vend,V1); //gka 21.08.1998 bug PRO7656
369 else if(!istV) aTool.Bind (Vstart,V2);
370 else aTool.Bind (Vend,V1);
371 //Fixed = Standard_False;
372 //aTool.Bind (Vend,V1);
373 if (!C1.IsNull() && !C1->IsClosed() && Fixed)
374 TP->AddWarning(EL->EdgeListValue(j),
375 "Vertex of same coordinates, set confused");
379 // if (NbEdge!=1 && theSame == NbEdge) {
380 // TP->AddWarning(EL,"Wire was ignored. All edges are the same.");
381 // done = Standard_False;
384 // Fixed=Standard_True;
385 // if (modepcurve == -1) {
387 // TP->AddWarning(EL,"Shared Pcurve not allowed, Pcurves are recomputed");
390 //:f6 abv 29 Apr 98: BUC50070 #3815: make sure that each two edges are
391 // connected by the same vertex; else check that vertices confuse
392 // and make it be one vertex
393 // NOTE: this is done only for the case if at least one of edges
394 // was not yet translated; else nothing will help
395 for (j=1; j<=NbEdge; j++ ) {
396 OrEdge1 = EL->EdgeListValue ( j );
397 OrEdge2 = EL->EdgeListValue ( j < NbEdge ? j + 1 : 1 );
398 Handle(StepShape_EdgeCurve) EC1 =
399 Handle(StepShape_EdgeCurve)::DownCast ( OrEdge1->EdgeElement() );
400 Handle(StepShape_EdgeCurve) EC2 =
401 Handle(StepShape_EdgeCurve)::DownCast ( OrEdge2->EdgeElement() );
403 Handle(StepShape_Vertex) Vs1, Vs2,Vs11,Vs22;
404 Vs1 = ( OrEdge1->Orientation() ? EC1->EdgeEnd() : EC1->EdgeStart() );
405 Vs2 = ( OrEdge2->Orientation() ? EC2->EdgeStart() : EC2->EdgeEnd() );
407 Vs11 = ( OrEdge1->Orientation() ? EC1->EdgeStart() : EC1->EdgeEnd());
408 Vs22 = ( OrEdge2->Orientation() ? EC2->EdgeEnd() : EC2->EdgeStart() );
410 if((Vs1 == Vs2) || (Vs1 == Vs22) || (Vs2 == Vs11) || (Vs22 == Vs11)) continue;
411 //?? if ( Vs1.IsSame(Vs2) ) continue; // OK
413 StepToTopoDS_TranslateVertex myTranVertex1 (Vs1, aTool, NMTool);
414 StepToTopoDS_TranslateVertex myTranVertex2 (Vs2, aTool, NMTool);
416 TopoDS_Vertex V1, V2;
417 if ( myTranVertex1.IsDone() )
418 V1 = TopoDS::Vertex ( myTranVertex1.Value() );
419 if ( myTranVertex2.IsDone() )
420 V2 = TopoDS::Vertex ( myTranVertex2.Value() );
421 if ( V1.IsNull() || V2.IsNull() ) continue; // not treated
422 if ( V1.IsSame(V2) ) continue; // OK
424 gp_Pnt p1 = BRep_Tool::Pnt(V1);
425 gp_Pnt p2 = BRep_Tool::Pnt(V2);
426 Standard_Boolean locFixed = Standard_True;
427 if (p1.Distance(p2) <= preci) {
428 if ( ! aTool.IsBound ( EC1 ) ) aTool.Bind ( Vs1, V2 );
429 else if ( ! aTool.IsBound ( EC2 ) ) aTool.Bind ( Vs2, V1 );
430 else locFixed = Standard_False;
432 else locFixed = Standard_False;
433 if ( locFixed ) TP->AddWarning(EL,"Adjacent edges do not have common vertex; set confused");
434 else TP->AddWarning(EL,"Adjacent edges are not connected");
437 // -----------------------------------------------
438 // Iteration on each Oriented Edge of the EdgeLoop
439 // -----------------------------------------------
441 for (j=1; j<=NbEdge; j++ ) {
443 Standard_Boolean ThereIsLikeSeam = Standard_False;
446 cout << " Processing Edge :" << j << endl;
449 OrEdge1 = EL->EdgeListValue(j);
450 StepEdge = OrEdge1->EdgeElement();
451 Handle(StepShape_EdgeCurve) EC = Handle(StepShape_EdgeCurve)::DownCast(StepEdge);
457 StepToTopoDS_TranslateEdge myTranEdge;
459 myTranEdge.SetPrecision(preci);
460 myTranEdge.SetMaxTol(MaxTol());
461 myTranEdge.Init(OrEdge1, aTool, NMTool);
463 if (myTranEdge.IsDone()) {
465 E = TopoDS::Edge(myTranEdge.Value());
466 if (E.IsNull()) continue; // NULL, on saute
468 Handle(StepGeom_Curve) C = EC->EdgeGeometry();
470 if (OrEdge1->Orientation() && EC->SameSense())
471 E.Orientation(TopAbs_FORWARD);
472 else if (!OrEdge1->Orientation() && !EC->SameSense())
473 E.Orientation(TopAbs_FORWARD);
474 else E.Orientation(TopAbs_REVERSED);
476 isSeam = isLikeSeam = Standard_False;
478 // ------------------------------------------
479 // Map the StepEdge parametric representation
480 // ------------------------------------------
482 // --------------------------------------------
483 // CASE 1 : The Edge Geometry is of Pcurve Type
484 // --------------------------------------------
487 aTool.ComputePCurve(Standard_True);
488 hasPcurve = Standard_False;
490 else if (C->IsKind(STANDARD_TYPE(StepGeom_Pcurve))) {
491 Handle(StepGeom_Pcurve) StepPCurve = Handle(StepGeom_Pcurve)::DownCast(C);
492 C2d = myTranEdge.MakePCurve (StepPCurve,ConvSurf);
494 aTool.AddContinuity (C2d);
497 // -----------------------------------------
498 // CASE 2 : The curve is a SurfaceCurve i.e.
499 // - a 3D Curve (mandatory)
500 // - 2 PCurveOrSurface
501 // If modepcurve = 3, PCurve are ignored here
502 // -----------------------------------------
504 else if (modepcurve == 3) {
505 aTool.ComputePCurve(Standard_True);
506 hasPcurve = Standard_False;
508 else if (C->IsKind(STANDARD_TYPE(StepGeom_SurfaceCurve)) ) {
509 // recouvre les cas SeamCurve et IntersectionCurve
511 Handle(StepGeom_SurfaceCurve) SurfCurve =
512 Handle(StepGeom_SurfaceCurve)::DownCast(C);
514 Handle(StepGeom_Pcurve) StepPCurve, StepPCurve1, StepPCurve2;
515 Standard_Integer lastpcurve = StepToTopoDS_GeometricTool::PCurve(SurfCurve,StepSurf,StepPCurve,0);
516 hasPcurve = !StepPCurve.IsNull();
518 // De toute facon, on recalcule
520 if (isPlane) hasPcurve = Standard_False;
522 // -------------------------------------------
523 // --- Special Mapping Cases : ---
524 // --- the SurfaceCurve is a SeamCurve ---
525 // --- or is like a seam curve ---
526 // --- (see CATIA cylinder) ---
527 // -------------------------------------------
528 isLikeSeam = StepToTopoDS_GeometricTool::IsLikeSeam(SurfCurve,StepSurf,StepEdge,EL);
530 isSeam = StepToTopoDS_GeometricTool::IsSeamCurve(SurfCurve, StepSurf,StepEdge, EL);
532 if (isSeam || isLikeSeam) {
533 // isLikeSeam = Two faces on the same Surface
534 StepPCurve1 = SurfCurve->AssociatedGeometryValue(1).Pcurve();
535 StepPCurve2 = SurfCurve->AssociatedGeometryValue(2).Pcurve();
536 if (StepPCurve1.IsNull() || StepPCurve2.IsNull()) hasPcurve = Standard_False; //smh : BUC60810
538 C2d1 = myTranEdge.MakePCurve (StepPCurve1,ConvSurf);
539 C2d2 = myTranEdge.MakePCurve (StepPCurve2,ConvSurf);
540 hasPcurve = (!C2d1.IsNull() && !C2d2.IsNull());
545 ThereIsLikeSeam = Standard_True;
546 hasPcurve = Standard_True;
549 else if (hasPcurve) {
550 // GeometricTool : Pcurve a retourne StepPCurve
551 while (lastpcurve > 0) {
552 C2d1 = myTranEdge.MakePCurve (StepPCurve,ConvSurf);
554 hasPcurve = Standard_False;
558 lastpcurve = StepToTopoDS_GeometricTool::PCurve(SurfCurve,StepSurf,StepPCurve,lastpcurve);
560 aTool.AddContinuity (C2d);
564 // The edge geometry has no 2D representation
565 aTool.ComputePCurve(Standard_True);
569 // ----------------------------------------------------------
570 // CASE 3 : The EdgeCurve Geometry is not a Pcurve
571 // nor a SurfaceCurve (i.e. it is a single 3D curve)
572 // ----------------------------------------------------------
575 aTool.ComputePCurve(Standard_True);
576 hasPcurve = Standard_False;
579 // ----------------------------------
580 // update the edge with the pcurve(s)
581 // ----------------------------------
583 if (hasPcurve && (isSeam || ThereIsLikeSeam)) {
585 // -----------------------------------------------------------
586 // The Edge is a Seam Edge : The pcurve wich is FORWARD has to
588 // -----------------------------------------------------------
590 if ((!C2d1.IsNull()) && (!C2d2.IsNull())) {
591 TopAbs_Orientation CumulO, EdgeO, WireO, FaceO;
592 EdgeO = E.Orientation();
593 if (ForwardWire) WireO = TopAbs_FORWARD;
594 else WireO = TopAbs_REVERSED;
595 if (sameSense) FaceO = TopAbs_FORWARD;
596 else FaceO = TopAbs_REVERSED;
598 CumulO = TopAbs::Compose(EdgeO, WireO);
599 CumulO = TopAbs::Compose(CumulO, FaceO);
601 Standard_Boolean ForwardEdge = (CumulO == TopAbs_FORWARD);
603 // if(!ThereIsLikeSeam) ForwardEdge = Standard_True;
604 Standard_Integer forwardPC =
605 ShapeAnalysis_Curve().SelectForwardSeam (C2d1,C2d2);
606 if (forwardPC == 0) {
607 TP->AddFail(StepEdge," Seam curve not mapped");
608 done = Standard_False;
609 myError = StepToTopoDS_TranslateEdgeLoopOther;
612 else if (!ForwardEdge) forwardPC = 3 - forwardPC; // inverser 1-2
614 if (forwardPC == 1) {
616 // When the edge is a Seam, it is better to find the topological
617 // trimming right now.
618 // Remarque : pour bien faire, il faudrait, si necessaire, recalculer
619 // les trois courbes de maniere a ce qu`elles soient
620 // immediatement Same Range et Same Parameter.
621 B.UpdateEdge(E, C2d1, C2d2, Face, 0.);
622 //:S4136 FindParameter(C2d1, C2d2, E, Face, preci);
625 B.UpdateEdge(E, C2d1, Face, 0.); //preci
629 // When the edge is a Seam, it is better to find the topological
630 // trimming right now.
631 B.UpdateEdge(E, C2d2, C2d1, Face, 0.);
632 //:S4136 FindParameter(C2d1, C2d2, E, Face, preci);
635 B.UpdateEdge(E, C2d2, Face, 0.);
639 TP->AddFail(StepEdge," Seam curve not mapped");
640 done = Standard_False;
641 myError = StepToTopoDS_TranslateEdgeLoopOther;
647 // ---------------------------
648 // The Edge is a "normal" edge
649 // ---------------------------
652 if ( !C2d.IsNull() && !isLikeSeam ) {
653 B.UpdateEdge(E, C2d, Face, 0.);
656 TP->AddFail(StepEdge," Edge: Trimming of 2D curve failed");
657 // cout << "2D curve type : " << C2d->DynamicType() << endl;
658 done = Standard_False;
659 myError = StepToTopoDS_TranslateEdgeLoopOther;
666 // B.Add(W,E); -- DABORD regarder degeneree manquante !!!
669 TP->AddFail(StepEdge," an Edge not mapped");
670 done = Standard_False;
671 myError = StepToTopoDS_TranslateEdgeLoopOther;
675 else { // The Edge is Not mapped => switch to next wire ?
676 TP->AddFail(StepEdge," an Edge not mapped");
677 done = Standard_False;
678 myError = StepToTopoDS_TranslateEdgeLoopOther;
682 if (done) B.Add (W,E); // on le fait ici. Sauf si erreur rencontree ... !
684 Handle(StepShape_Vertex) Vs1, Vs2;
685 Vs1 = StepEdge->EdgeStart();
686 Vs2 = StepEdge->EdgeEnd();
687 if(!Vs1.IsNull() && !Vs2.IsNull() && Vs1==Vs2) {
688 done = Standard_True;
689 TP->AddFail(EL," Edge with equal vertices failed, scipped");
694 // The EdgeLoop is binded in the Wire
697 TP->AddFail(EL,"At least one edge failed : wire not done");
700 W.Closed (BRep_Tool::IsClosed (W));
703 // ----------------------------------------------
704 // Computes the 2D parameter of Vertices on Edges
705 // ----------------------------------------------
706 //pdn compute parameter of Vertices using progecting
707 if (!aTool.ComputePCurve())
708 for (TopoDS_Iterator EdgeIt(W);EdgeIt.More();EdgeIt.Next()){
709 TopoDS_Edge edge = TopoDS::Edge(EdgeIt.Value());
710 Handle(ShapeFix_EdgeProjAux) myEdgePro = ShapeAlgo::AlgoContainer()->ToolContainer()->EdgeProjAux();
711 myEdgePro->Init (Face, edge);
712 myEdgePro->Compute(preci);
713 if (myEdgePro->IsFirstDone() && myEdgePro->IsLastDone()) {
714 if (Abs (myEdgePro->FirstParam() - myEdgePro->LastParam()) < Precision::PConfusion())
716 B.Range(edge, Face,myEdgePro->FirstParam(), myEdgePro->LastParam());
719 RemoveSinglePCurve(edge, Face);
721 cout <<"Removing after prj"<<endl;
727 myError = StepToTopoDS_TranslateEdgeLoopDone;
728 done = Standard_True;
729 // Check des PCurves SYSTEMATIQUE, s il n y en a que quelques unes
730 // if (isPlane) RemovePCurves (W, Face);
731 // else CheckPCurves (W, Face);
732 CheckPCurves (W, Face,isPlane,preci);
734 // --------------------------------------------
735 // Control the UVLoop (Closed and Head To Tail)
736 // --------------------------------------------
738 // StepToTopoDS_GeometricToolError tError =
739 // StepToTopoDS_GeometricTool::CloseUV(W, Face, aTool);
740 // if(tError != StepToTopoDS_GeometricToolDone) {
741 // TP->AddWarning(StepEdge,StepToTopoDS::DecodeGeometricToolError(tError));
747 // ============================================================================
749 // Purpose : Return the mapped Shape
750 // ============================================================================
752 const TopoDS_Shape& StepToTopoDS_TranslateEdgeLoop::Value() const
754 StdFail_NotDone_Raise_if(!done,"");
758 // ============================================================================
760 // Purpose : Return the TranslateEdgeLoop error
761 // ============================================================================
763 StepToTopoDS_TranslateEdgeLoopError StepToTopoDS_TranslateEdgeLoop::Error() const