1 // Created on: 1997-04-14
2 // Created by: Olga KOULECHOVA
3 // Copyright (c) 1997-1999 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.
18 #include <BRep_Builder.hxx>
19 #include <BRep_Tool.hxx>
20 #include <BRepAlgoAPI_Common.hxx>
21 #include <BRepAlgoAPI_Section.hxx>
22 #include <BRepBuilderAPI.hxx>
23 #include <BRepBuilderAPI_MakeFace.hxx>
24 #include <BRepBuilderAPI_Transform.hxx>
25 #include <BRepExtrema_ExtCF.hxx>
26 #include <BRepExtrema_ExtPC.hxx>
27 #include <BRepExtrema_ExtPF.hxx>
28 #include <BRepFeat.hxx>
29 #include <BRepFeat_MakeLinearForm.hxx>
30 #include <BRepLib_MakeEdge.hxx>
31 #include <BRepLib_MakeFace.hxx>
32 #include <BRepLib_MakeVertex.hxx>
33 #include <BRepLib_MakeWire.hxx>
34 #include <BRepPrimAPI_MakeBox.hxx>
35 #include <BRepTools.hxx>
36 #include <BRepTools_Modifier.hxx>
37 #include <BRepTools_TrsfModification.hxx>
38 #include <BRepTools_WireExplorer.hxx>
39 #include <Geom2d_Curve.hxx>
40 #include <Geom2d_Line.hxx>
41 #include <Geom_Curve.hxx>
42 #include <Geom_CylindricalSurface.hxx>
43 #include <Geom_Plane.hxx>
44 #include <Geom_RectangularTrimmedSurface.hxx>
45 #include <Geom_Surface.hxx>
46 #include <Geom_TrimmedCurve.hxx>
47 #include <GeomLProp_CLProps.hxx>
48 #include <GeomProjLib.hxx>
53 #include <gp_Pnt2d.hxx>
55 #include <gp_Vec2d.hxx>
56 #include <IntRes2d_IntersectionPoint.hxx>
58 #include <LocOpe_FindEdges.hxx>
59 #include <LocOpe_Gluer.hxx>
60 #include <LocOpe_LinearForm.hxx>
61 #include <Precision.hxx>
62 #include <Standard_ConstructionError.hxx>
63 #include <TColGeom_Array1OfCurve.hxx>
64 #include <TColgp_Array1OfPnt.hxx>
65 #include <TColgp_SequenceOfPnt.hxx>
66 #include <TColStd_Array1OfReal.hxx>
68 #include <TopExp_Explorer.hxx>
70 #include <TopoDS_Edge.hxx>
71 #include <TopoDS_Face.hxx>
72 #include <TopoDS_Shape.hxx>
73 #include <TopoDS_Wire.hxx>
74 #include <TopOpeBRepBuild_HBuilder.hxx>
75 #include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx>
76 #include <TopTools_DataMapIteratorOfDataMapOfShapeShape.hxx>
77 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
78 #include <TopTools_ListIteratorOfListOfShape.hxx>
79 #include <TopTools_ListOfShape.hxx>
80 #include <TopTools_MapIteratorOfMapOfShape.hxx>
81 #include <TopTools_MapOfShape.hxx>
83 //modified by NIZNHY-PKV Fri Mar 22 16:51:33 2002 f
84 //#include <BRepAlgo_Section.hxx>
85 //#include <BRepAlgo_Common.hxx>
86 //modified by NIZNHY-PKV Fri Mar 22 16:51:35 2002 t
87 //#include <DbgTools.hxx>
89 extern Standard_Boolean BRepFeat_GettraceFEAT();
90 extern Standard_Boolean BRepFeat_GettraceFEATRIB();
93 static void MajMap(const TopoDS_Shape&, // base
94 const LocOpe_LinearForm&,
95 TopTools_DataMapOfShapeListOfShape&, // myMap
96 TopoDS_Shape&, // myFShape
97 TopoDS_Shape&); // myLShape
99 static void SetGluedFaces(const TopTools_DataMapOfShapeListOfShape& theSlmap,
101 TopTools_DataMapOfShapeShape&);
103 //=======================================================================
106 //=======================================================================
108 void BRepFeat_MakeLinearForm::Init(const TopoDS_Shape& Sbase,
109 const TopoDS_Wire& W,
110 const Handle(Geom_Plane)& Plane,
112 const gp_Vec& Direc1,
113 const Standard_Integer Mode,
114 const Standard_Boolean Modify)
117 Standard_Boolean trc = BRepFeat_GettraceFEAT();
118 if (trc) cout << "BRepFeat_MakeLinearForm::Init" << endl;
120 Standard_Boolean RevolRib = Standard_False;
124 // modify = 0 if there is no intention to make sliding
125 // = 1 if one tries to make sliding
126 Standard_Boolean Sliding = Modify;
139 myListOfEdges.Clear();
142 TopoDS_Shape aLocalShapeW = W.Oriented(TopAbs_FORWARD);
143 myWire = TopoDS::Wire(aLocalShapeW);
144 // myWire = TopoDS::Wire(W.Oriented(TopAbs_FORWARD));
150 myFuse = Standard_False;
151 else // if(Mode == 1)
152 myFuse = Standard_True;
155 if (myFuse) cout << " Fuse" << endl;
156 if (!myFuse) cout << " Cut" << endl;
161 // ---Determine Tolerance : max tolerance on parameters
162 myTol = Precision::Confusion();
165 exx.Init(myWire, TopAbs_VERTEX);
166 for(; exx.More(); exx.Next()) {
167 const Standard_Real& tol = BRep_Tool::
168 Tolerance(TopoDS::Vertex(exx.Current()));
169 if(tol > myTol) myTol = tol;
172 exx.Init(Sbase, TopAbs_VERTEX);
173 for(; exx.More(); exx.Next()) {
174 const Standard_Real& tol = BRep_Tool::
175 Tolerance(TopoDS::Vertex(exx.Current()));
176 if(tol > myTol) myTol = tol;
179 // ---Control of directions
180 // the wire should be in the rib
181 gp_Vec nulldir(0, 0, 0);
182 if(!myDir1.IsEqual(nulldir, myTol, myTol)) {
183 Standard_Real ang = myDir1.Angle(myDir);
186 if (trc) cout << " Directions must be opposite" << endl;
188 myStatusError = BRepFeat_BadDirect;
195 // Rib is centre in the middle of translation
197 if (trc) cout << " Rib is centre" << endl;
199 const gp_Vec& DirTranslation = (Direc + Direc1) * 0.5;
201 T.SetTranslation(DirTranslation);
202 BRepBuilderAPI_Transform trf(T);
204 myWire = TopoDS::Wire(trf.Shape());
205 myDir = Direc - DirTranslation;
206 myDir1 = Direc1 - DirTranslation;
210 // ---Calculate bounding box
213 TopTools_ListOfShape theList;
217 gp_Pnt FirstCorner, LastCorner;
218 Standard_Real bnd = HeightMax(mySbase, U, FirstCorner, LastCorner);
221 BRepPrimAPI_MakeBox Bndbox(FirstCorner, LastCorner);
222 TopoDS_Solid BndBox = Bndbox.Solid();
225 // ---Construction of the face workplane (section bounding box)
226 BRepLib_MakeFace PlaneF(myPln->Pln(), -6.*myBnd,
227 6.*myBnd, -6.*myBnd, 6.*myBnd);
228 TopoDS_Face PlaneFace = TopoDS::Face(PlaneF.Shape());
230 //modified by NIZNHY-PKV Fri Mar 22 16:49:28 2002 f
231 //BRepAlgo_Common PlaneS(BndBox, PlaneFace);
232 BRepAlgoAPI_Common PlaneS(BndBox, PlaneFace);
233 //modified by NIZNHY-PKV Fri Mar 22 16:49:39 2002 t
235 TopoDS_Shape PlaneSect = PlaneS.Shape();
236 EXP.Init(PlaneSect, TopAbs_WIRE);
237 TopoDS_Wire www = TopoDS::Wire(EXP.Current());
238 BRepLib_MakeFace Bndface(myPln->Pln(), www, Standard_True);
239 TopoDS_Face BndFace = TopoDS::Face(Bndface.Shape());
242 // ---Find support faces of the rib
243 TopoDS_Edge FirstEdge, LastEdge;
244 TopoDS_Face FirstFace, LastFace;
245 TopoDS_Vertex FirstVertex, LastVertex;
247 Standard_Boolean OnFirstFace = Standard_False;
248 Standard_Boolean OnLastFace = Standard_False;
249 Standard_Boolean PtOnFirstEdge = Standard_False;
250 Standard_Boolean PtOnLastEdge = Standard_False;
251 TopoDS_Edge OnFirstEdge, OnLastEdge;
252 OnFirstEdge.Nullify();
253 OnLastEdge.Nullify();
255 Standard_Boolean Data = ExtremeFaces(RevolRib, myBnd, myPln, FirstEdge, LastEdge,
256 FirstFace, LastFace, FirstVertex,
257 LastVertex, OnFirstFace, OnLastFace,
258 PtOnFirstEdge, PtOnLastEdge,
259 OnFirstEdge, OnLastEdge);
263 if (trc) cout << " No Extreme faces" << endl;
265 myStatusError = BRepFeat_NoExtFace;
271 // ---Proofing Point for the side of the wire to be filled - side material
272 gp_Pnt CheckPnt = CheckPoint(FirstEdge, bnd/10., myPln);
274 // Standard_Real f, l;
276 // ---Control sliding valuable
277 // Many cases when the sliding is abandoned
278 Standard_Integer Concavite = 3; // a priori the profile is not concave
280 myFirstPnt = BRep_Tool::Pnt(FirstVertex);
281 myLastPnt = BRep_Tool::Pnt(LastVertex);
283 // SliList : list of faces concerned by the rib
284 TopTools_ListOfShape SliList;
285 SliList.Append(FirstFace);
287 if(Sliding) { // sliding
289 if (trc) cout << " Sliding" << endl;
291 Sliding = Standard_False;
292 Handle(Geom_Surface) s = BRep_Tool::Surface(FirstFace);
293 if (s->DynamicType() ==
294 STANDARD_TYPE(Geom_RectangularTrimmedSurface)) {
295 s = Handle(Geom_RectangularTrimmedSurface)::
296 DownCast(s)->BasisSurface();
298 if(s->DynamicType() == STANDARD_TYPE(Geom_Plane) ||
299 s->DynamicType() == STANDARD_TYPE(Geom_CylindricalSurface)) {
300 // if plane or cylinder : sliding is possible
301 Sliding = Standard_True;
305 // Control only start and end points
306 // -> no control at the middle - improve
307 // Controle between Surface and segment between 2 limit points
308 // is too expensive - improve
310 gp_Pnt p1(myFirstPnt.X()+myDir.X(),myFirstPnt.Y()+myDir.Y(),
311 myFirstPnt.Z()+myDir.Z());
312 BRepLib_MakeEdge ee1(myFirstPnt, p1);
313 BRepExtrema_ExtCF ext1(ee1, FirstFace);
314 if(ext1.NbExt() == 1 && ext1.SquareDistance(1)<=BRep_Tool::Tolerance(FirstFace) * BRep_Tool::Tolerance(FirstFace)) {
315 gp_Pnt p2(myLastPnt.X()+myDir.X(),myLastPnt.Y()+myDir.Y(),
316 myLastPnt.Z()+myDir.Z());
317 BRepLib_MakeEdge ee2(myLastPnt, p2);
318 BRepExtrema_ExtCF ext2(ee2, LastFace); // ExtCF : curves and surfaces
319 if(ext2.NbExt() == 1 && ext2.SquareDistance(1)<=BRep_Tool::Tolerance(LastFace) * BRep_Tool::Tolerance(LastFace)) {
320 Sliding = Standard_True;
323 Sliding = Standard_False;
327 Sliding = Standard_False;
331 if(!myDir1.IsEqual(nulldir, Precision::Confusion(), Precision::Confusion())) {
333 gp_Pnt p1(myFirstPnt.X()+myDir1.X(),myFirstPnt.Y()+myDir1.Y(),
334 myFirstPnt.Z()+myDir1.Z());
335 BRepLib_MakeEdge ee1(myFirstPnt, p1);
336 BRepExtrema_ExtCF ext1(ee1, FirstFace);
337 if(ext1.NbExt() == 1 && ext1.SquareDistance(1)<=BRep_Tool::Tolerance(FirstFace) * BRep_Tool::Tolerance(FirstFace)) {
338 gp_Pnt p2(myLastPnt.X()+myDir1.X(),myLastPnt.Y()+myDir1.Y(),
339 myLastPnt.Z()+myDir1.Z());
340 BRepLib_MakeEdge ee2(myLastPnt, p2);
341 BRepExtrema_ExtCF ext2(ee2, LastFace);
342 if(ext2.NbExt() == 1 && ext2.SquareDistance(1)<=BRep_Tool::Tolerance(LastFace) * BRep_Tool::Tolerance(LastFace)) {
343 Sliding = Standard_True;
346 Sliding = Standard_False;
350 Sliding = Standard_False;
356 // Construct a great profile that goes till the bounding box
357 // -> by tangency with the first and the last edge of the Wire
358 // -> by normals to the support faces : statistically better
359 // Intersect everything to find the final profile
362 // ---case of sliding : construction of the profile face
365 if (trc) cout << " still Sliding" << endl;
368 Standard_Boolean ProfileOK;
369 ProfileOK = SlidingProfile(Prof,RevolRib,myTol,Concavite,myPln,BndFace,CheckPnt,
370 FirstFace,LastFace,FirstVertex,LastVertex,
377 cout << "Not computable" << endl;
378 cout << "Face profile not computable" << endl;
381 myStatusError = BRepFeat_NoFaceProf;
387 // ---Propagation on faces of the initial shape
388 // to find the faces concerned by the rib
389 Standard_Boolean falseside = Standard_True;
390 Sliding = Propagate(SliList, Prof, myFirstPnt, myLastPnt, falseside);
391 // Control if there is everything required to have the material at the proper side
392 if(falseside == Standard_False) {
394 cout << "Verify plane and wire orientation" << endl;
396 myStatusError = BRepFeat_FalseSide;
403 // ---Generation of the base of the rib profile
407 TopoDS_Edge thePreviousEdge;
409 thePreviousEdge.Nullify();
411 // calculate the number of edges to fill the map
412 Standard_Integer counter = 1;
414 // ---case of sliding
415 if(Sliding && !myListOfEdges.IsEmpty()) {
416 BRepTools_WireExplorer EX1(myWire);
417 for(; EX1.More(); EX1.Next()) {
418 const TopoDS_Edge& E = EX1.Current();
419 if(!myLFMap.IsBound(E)) {
420 TopTools_ListOfShape theTmpList;
421 myLFMap.Bind(E, theTmpList );
423 if(E.IsSame(FirstEdge)) {
425 Handle(Geom_Curve) cc = BRep_Tool::Curve(E, f, l);
426 cc = new Geom_TrimmedCurve(cc, f, l);
428 if(!FirstEdge.IsSame(LastEdge)) {
429 pt = BRep_Tool::Pnt(TopExp::LastVertex(E,Standard_True));
433 Standard_Real fpar = IntPar(cc, myFirstPnt);
434 Standard_Real lpar = IntPar(cc, pt);
435 Handle(Geom_Curve) ccc;
437 ccc = Handle(Geom_Curve)::DownCast(cc->Reversed());
442 if(thePreviousEdge.IsNull()) {
443 BRepLib_MakeVertex v1(myFirstPnt);
444 BRepLib_MakeVertex v2(pt);
445 BRepLib_MakeEdge e(cc, v1, v2);
446 ee1 = TopoDS::Edge(e.Shape());
449 const TopoDS_Vertex& v1 = TopExp::LastVertex(thePreviousEdge,Standard_True);
450 BRepLib_MakeVertex v2(pt);
452 BRepLib_MakeEdge e(cc, v1, v2);
453 ee1 = TopoDS::Edge(e.Shape());
455 TopoDS_Shape aLocalShape = ee1.Oriented(E.Orientation());
456 ee1 = TopoDS::Edge(aLocalShape);
457 // ee1 = TopoDS::Edge(ee1.Oriented(E.Orientation()));
458 if(counter == 1) theFV = TopExp::FirstVertex(ee1,Standard_True);
459 myLFMap(E).Append(ee1);
461 thePreviousEdge = ee1;
468 // Case of several edges
469 if(!FirstEdge.IsSame(LastEdge)) {
470 for(; EX1.More(); EX1.Next()) {
471 const TopoDS_Edge& E = EX1.Current();
472 if(!myLFMap.IsBound(E)) {
473 TopTools_ListOfShape thelist1;
474 myLFMap.Bind(E, thelist1);
478 if(!E.IsSame(LastEdge)) {
479 Handle(Geom_Curve) ccc = BRep_Tool::Curve(E, f, l);
480 TopoDS_Vertex v1, v2;
481 if(!thePreviousEdge.IsNull()) {
482 v1 = TopExp::LastVertex(thePreviousEdge,Standard_True);
483 v2 = TopExp::LastVertex(E,Standard_True);
486 // v1 = TopExp::LastVertex(E,Standard_True);
487 v1 = TopExp::FirstVertex(E,Standard_True);
488 v2 = TopExp::LastVertex(E,Standard_True);
490 BRepLib_MakeEdge E1(ccc, v1, v2);
491 TopoDS_Edge E11 = TopoDS::Edge(E1.Shape());
492 TopoDS_Shape aLocalShape = E11.Oriented(E.Orientation());
493 E11 = TopoDS::Edge(aLocalShape);
494 // E11 = TopoDS::Edge(E11.Oriented(E.Orientation()));
495 thePreviousEdge = E11;
496 myLFMap(E).Append(E11);
498 if(counter == 1) theFV = TopExp::FirstVertex(E11,Standard_True);
502 Handle(Geom_Curve) cc = BRep_Tool::Curve(E, f, l);
503 gp_Pnt pf = BRep_Tool::Pnt(TopExp::FirstVertex(E,Standard_True));
504 gp_Pnt pl = myLastPnt;
506 if(thePreviousEdge.IsNull()) {
507 BRepLib_MakeEdge e(cc, pf , pl);
508 ee = TopoDS::Edge(e.Shape());
511 const TopoDS_Vertex& v1 = TopExp::LastVertex(thePreviousEdge,Standard_True);
512 BRepLib_MakeVertex v2(pl);
513 BRepLib_MakeEdge e(cc, v1, v2);
514 ee = TopoDS::Edge(e.Shape());
516 TopoDS_Shape aLocalShape = ee.Oriented(E.Orientation());
517 ee = TopoDS::Edge(aLocalShape);
518 // ee = TopoDS::Edge(ee.Oriented(E.Orientation()));
520 myLFMap(E).Append(ee);
521 if(counter == 1) theFV = TopExp::FirstVertex(ee,Standard_True);
522 thePreviousEdge = ee;
529 TopTools_ListIteratorOfListOfShape it(myListOfEdges);
530 Standard_Boolean FirstOK = Standard_False;
531 Standard_Boolean LastOK = Standard_False;
533 gp_Pnt theLastPnt = myLastPnt;
534 Standard_Integer sens = 0;
535 TopoDS_Edge theEdge, theLEdge, theFEdge;
536 Standard_Integer counter1 = counter;
537 TopTools_ListOfShape NewListOfEdges;
538 NewListOfEdges.Clear();
540 const TopoDS_Edge& edg = TopoDS::Edge(it.Value());
543 Handle(Geom_Curve) ccc = BRep_Tool::Curve(edg, f, l);
544 Handle(Geom_TrimmedCurve) cc = new Geom_TrimmedCurve(ccc, f, l);
545 if ( edg.Orientation() == TopAbs_REVERSED) cc->Reverse();
547 fp = cc->Value(cc->FirstParameter());
548 lp = cc->Value(cc->LastParameter());
549 Standard_Real dist = fp.Distance(theLastPnt);
552 LastOK = Standard_True;
555 dist = lp.Distance(theLastPnt);
558 LastOK = Standard_True;
562 Standard_Integer FirstFlag = 0;
563 if(sens==1 && lp.Distance(myFirstPnt) <= myTol) {
564 FirstOK = Standard_True;
567 else if(sens==2 && fp.Distance(myFirstPnt) <= myTol) {
568 FirstOK = Standard_True;
574 Standard_Real fpar = cc->FirstParameter();
575 Standard_Real lpar = cc->LastParameter();
577 if(thePreviousEdge.IsNull()) {
578 BRepLib_MakeEdge e(cc, fpar, lpar);
579 eeee = TopoDS::Edge(e.Shape());
582 const TopoDS_Vertex& v1 = TopExp::LastVertex(thePreviousEdge,Standard_True);
583 BB.UpdateVertex(v1, dist);
584 BRepLib_MakeVertex v2(cc->Value(lpar));
585 TopoDS_Vertex nv=v2.Vertex();
586 BRepLib_MakeEdge e(cc, v1, nv);
587 eeee = TopoDS::Edge(e.Shape());
591 if(thePreviousEdge.IsNull()) {
592 BRepLib_MakeVertex v1(cc->Value(fpar));
593 BRepLib_MakeEdge e(cc, v1, theFV);
594 eeee = TopoDS::Edge(e.Shape());
597 const TopoDS_Vertex& v1 = TopExp::LastVertex(thePreviousEdge,Standard_True);
598 BRepLib_MakeEdge e(cc, v1, theFV);
599 eeee = TopoDS::Edge(e.Shape());
603 thePreviousEdge = eeee;
605 if(counter == 1) theFV = TopExp::FirstVertex(eeee,Standard_True);
607 NewListOfEdges.Append(edg);
612 theLastPnt = BRep_Tool::Pnt(TopExp::LastVertex(theEdge,Standard_True));
618 else if(FirstFlag == 2) {
623 myListOfEdges.Remove(it);
624 it.Initialize(myListOfEdges);
625 LastOK = Standard_False;
627 else if(it.More()) it.Next();
629 Sliding = Standard_False;
636 TopTools_DataMapOfShapeListOfShape SlidMap;
639 if(Sliding && counter1 > counter) {
640 TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itm;
641 TopExp_Explorer EX2(w, TopAbs_EDGE);
642 Standard_Integer ii = 0;
643 for(; EX2.More(); EX2.Next()) {
644 const TopoDS_Edge& E = TopoDS::Edge(EX2.Current());
646 if(ii >= counter && ii <= counter1) {
647 it.Initialize(NewListOfEdges);
648 Standard_Integer jj = 0;
649 for(; it.More(); it.Next()) {
650 const TopoDS_Edge& e2 = TopoDS::Edge(it.Value());
652 if(jj== (ii - counter +1)) {
653 itm.Initialize(mySlface);
654 for(; itm.More(); itm.Next()) {
655 const TopoDS_Face& fac = TopoDS::Face(itm.Key());
656 const TopTools_ListOfShape& ledg = itm.Value();
657 TopTools_ListIteratorOfListOfShape itedg(ledg);
658 //Standard_Integer iiii = 0;
659 for(; itedg.More(); itedg.Next()) {
660 const TopoDS_Edge& e1 = TopoDS::Edge(itedg.Value());
662 if(!SlidMap.IsBound(fac)) {
663 TopTools_ListOfShape thelist2;
664 SlidMap.Bind(fac, thelist2);
666 SlidMap(fac).Append(E);
680 // ---Arguments of LocOpe_LinearForm : arguments of the prism sliding
683 BB.MakeFace(F, myPln, myTol);
684 w.Closed (BRep_Tool::IsClosed (w));
686 // BRepLib_MakeFace F(myPln->Pln(),w, Standard_True);
693 // ---Case without sliding : construction of the profile face
697 if (Modify) cout << " Sliding failure" << endl;
698 cout << " no Sliding" << endl;
702 Standard_Boolean ProfileOK;
703 ProfileOK = NoSlidingProfile(Prof,RevolRib,myTol,Concavite,myPln,
704 bnd,BndFace,CheckPnt,
705 FirstFace,LastFace,FirstVertex,LastVertex,
706 FirstEdge,LastEdge,OnFirstFace,OnLastFace);
712 cout << "Not computable" << endl;
713 cout << " Face profile not computable" << endl;
716 myStatusError = BRepFeat_NoFaceProf;
722 // ---Propagation on faces of the initial shape
723 // to find the faces concerned by the rib
724 Standard_Boolean falseside = Standard_True;
725 Propagate(SliList, Prof, myFirstPnt, myLastPnt, falseside);
726 // Control if there is everything required to have the material at the proper side
727 if(falseside == Standard_False) {
729 cout << "Verify plane and wire orientation" << endl;
731 myStatusError = BRepFeat_FalseSide;
738 TopTools_ListIteratorOfListOfShape it;
739 it.Initialize(SliList);
743 BB.MakeShell(TopoDS::Shell(comp));
745 for(; it.More(); it.Next()) {
746 BB.Add(comp, it.Value());
748 comp.Closed (BRep_Tool::IsClosed (comp));
759 for (exp.Init(mySbase,TopAbs_FACE);exp.More();exp.Next()) {
760 TopTools_ListOfShape thelist3;
761 myMap.Bind(exp.Current(), thelist3);
762 myMap(exp.Current()).Append(exp.Current());
767 //=======================================================================
769 //purpose : add des element de collage
770 //=======================================================================
772 void BRepFeat_MakeLinearForm::Add(const TopoDS_Edge& E,
773 const TopoDS_Face& F)
776 Standard_Boolean trc = BRepFeat_GettraceFEAT();
777 if (trc) cout << "BRepFeat_MakeLinearForm::Add" << endl;
779 if(mySlface.IsEmpty()) {
781 for (exp.Init(mySbase,TopAbs_FACE);exp.More();exp.Next()) {
782 if (exp.Current().IsSame(F)) {
787 Standard_ConstructionError::Raise();
790 if (!mySlface.IsBound(F)) {
791 TopTools_ListOfShape thelist;
792 mySlface.Bind(F, thelist);
794 TopTools_ListIteratorOfListOfShape itl(mySlface(F));
795 for (; itl.More();itl.Next()) {
796 if (itl.Value().IsSame(E)) {
801 mySlface(F).Append(E);
808 //=======================================================================
810 //purpose : construction of rib from a profile and the initial shape
811 //=======================================================================
813 void BRepFeat_MakeLinearForm::Perform()
816 Standard_Boolean trc = BRepFeat_GettraceFEAT();
817 if (trc) cout << "BRepFeat_MakeLinearForm::Perform()" << endl;
819 if(mySbase.IsNull() || mySkface.IsNull() || myPbase.IsNull()) {
821 if (trc) cout << " Fields not initialized" << endl;
823 myStatusError = BRepFeat_NotInitialized;
828 gp_Vec nulldir(0, 0, 0);
830 Standard_Real Length = myDir.Magnitude() + myDir1.Magnitude();
834 if(!mySUntil.IsNull())
835 myPerfSelection = BRepFeat_SelectionU;
837 myPerfSelection = BRepFeat_NoSelection;
840 gp_Vec V = Length*dir;
842 LocOpe_LinearForm theForm;
844 if(myDir1.IsEqual(nulldir, Precision::Confusion(), Precision::Confusion()))
845 theForm.Perform(myPbase, V, myFirstPnt, myLastPnt);
847 theForm.Perform(myPbase, V, myDir1, myFirstPnt, myLastPnt);
849 TopoDS_Shape VraiForm = theForm.Shape(); // primitive of the rib
851 myFacesForDraft.Append(theForm.FirstShape());
852 myFacesForDraft.Append(theForm.LastShape());
853 MajMap(myPbase,theForm,myMap,myFShape,myLShape); // management of descendants
855 TopExp_Explorer exx(myPbase, TopAbs_EDGE);
856 for(; exx.More(); exx.Next()) {
857 const TopoDS_Edge& e = TopoDS::Edge(exx.Current());
858 if(!myMap.IsBound(e)) {
860 if (trc) cout << " Sliding face not in Base shape" << endl;
862 myStatusError = BRepFeat_IncSlidFace;
869 SetGluedFaces(mySlface, theForm, myGluedF); // management of sliding faces
871 if(!myGluedF.IsEmpty() && !mySUntil.IsNull()) {
875 cout << "The case is not computable" << endl;
876 cout << " Glued faces not empty and Until shape not null" << endl;
879 myStatusError = BRepFeat_InvShape;
888 TopExp_Explorer expr(mySbase, TopAbs_FACE);
889 char nom1[20], nom2[20];
890 Standard_Integer ii = 0;
891 for(; expr.More(); expr.Next()) {
893 sprintf(nom1, "faceinitial_%d", ii);
894 DBRep::Set(nom1, expr.Current());
895 Standard_Integer jj = 0;
896 const TopTools_ListOfShape& list = Modified(expr.Current());
897 TopTools_ListIteratorOfListOfShape ite(list);
898 for(; ite.More(); ite.Next()) {
900 sprintf(nom2, "facemodifie_%d_%d", ii, jj);
901 DBRep::Set(nom2, ite.Value());
905 expr.Init(myWire, TopAbs_EDGE);
907 for(; expr.More(); expr.Next()) {
909 sprintf(nom1, "edgeinitial_%d", ii);
910 DBRep::Set(nom1, expr.Current());
911 Standard_Integer jj = 0;
912 const TopTools_ListOfShape& genf = Generated(expr.Current());
913 TopTools_ListIteratorOfListOfShape ite(genf);
914 for(; ite.More(); ite.Next()) {
916 sprintf(nom2, "egdegeneree_%d_%d", ii, jj);
917 DBRep::Set(nom2, ite.Value());
923 //=======================================================================
924 //function : Propagate
925 //purpose : propagation on faces of the initial shape, find
926 // faces concerned by the rib
927 //=======================================================================
928 Standard_Boolean BRepFeat_MakeLinearForm::Propagate(TopTools_ListOfShape& SliList,
929 const TopoDS_Face& fac,
930 const gp_Pnt& Firstpnt,
931 const gp_Pnt& Lastpnt,
932 Standard_Boolean& falseside)
935 Standard_Boolean trc = BRepFeat_GettraceFEATRIB();
936 if (trc) cout << "BRepFeat_MakeLinearForm::Propagate" << endl;
938 gp_Pnt Firstpoint = Firstpnt;
939 gp_Pnt Lastpoint = Lastpnt;
941 Standard_Boolean result = Standard_True;
942 TopoDS_Face CurrentFace, saveFace;
943 CurrentFace = TopoDS::Face(SliList.First());
944 saveFace = CurrentFace;
946 Standard_Boolean LastOK = Standard_False, FirstOK= Standard_False;
947 Standard_Boolean v1OK = Standard_False, v2OK= Standard_False;
948 TopoDS_Vertex v1, v2, v3, v4, ve1, ve2;
950 //modified by NIZNHY-PKV Fri Mar 22 16:50:24 2002 f
951 //BRepAlgo_Section sect (fac, CurrentFace, Standard_False);
952 BRepAlgoAPI_Section sect (fac, CurrentFace, Standard_False);
953 //modified by NIZNHY-PKV Fri Mar 22 16:50:32 2002 t
955 sect.Approximation(Standard_True);
961 Standard_Real t1 = 0., t2 = 0.;
962 Standard_Boolean c1f, c2f, c1l, c2l;
964 for (Ex.Init(sect.Shape(), TopAbs_EDGE); Ex.More(); Ex.Next()) {
965 ec = TopoDS::Edge(Ex.Current());
966 v1 = TopExp::FirstVertex(ec,Standard_True);
967 v2 = TopExp::LastVertex(ec,Standard_True);
968 p1 = BRep_Tool::Pnt(v1);
969 p2 = BRep_Tool::Pnt(v2);
970 t1 = BRep_Tool::Tolerance(v1);
971 t2 = BRep_Tool::Tolerance(v2);
972 c1f = p1.Distance(Firstpoint)<=t1;
973 c2f = p2.Distance(Firstpoint)<=t2;
974 c1l = p1.Distance(Lastpoint)<=t1;
975 c2l = p2.Distance(Lastpoint)<=t2;
976 if (c1f || c2f || c1l|| c2l) {
978 if (c1f || c1l) v1OK=Standard_True;
979 if (c2f || c2l) v2OK=Standard_True;
980 if (c1f || c2f) FirstOK=Standard_True;
981 if (c1l || c2l) LastOK=Standard_True;
987 falseside = Standard_False;
988 return Standard_False;
990 TopTools_ListOfShape thelist;
991 mySlface.Bind(CurrentFace, thelist);
992 mySlface(CurrentFace).Append(eb);
994 myListOfEdges.Clear();
995 myListOfEdges.Append(eb);
997 // two points are on the same face.
998 if(LastOK && FirstOK) {
1002 TopTools_IndexedDataMapOfShapeListOfShape mapedges;
1003 TopExp::MapShapesAndAncestors(mySbase, TopAbs_EDGE, TopAbs_FACE, mapedges);
1005 TopoDS_Edge FirstEdge;
1008 TopoDS_Vertex Vprevious;
1012 while (!(LastOK && FirstOK)) {
1022 // find edge connected to v1 or v2:
1023 for (ex.Init(CurrentFace, TopAbs_EDGE); ex.More(); ex.Next()) {
1024 const TopoDS_Edge& rfe = TopoDS::Edge(ex.Current());
1026 BRepExtrema_ExtPC projF(Vprevious, rfe);
1028 if(projF.IsDone() && projF.NbExt() >=1) {
1029 Standard_Real dist2min = RealLast();
1030 Standard_Integer index = 0;
1031 for (Standard_Integer sol =1 ; sol <= projF.NbExt(); sol++) {
1032 if (projF.SquareDistance(sol) <= dist2min) {
1034 dist2min = projF.SquareDistance(sol);
1038 if (dist2min <= BRep_Tool::Tolerance(rfe) * BRep_Tool::Tolerance(rfe)) {
1040 // If the edge is not perpendicular to the plane of the rib
1041 // it is required to set Sliding(result) to false.
1043 result=Standard_False;
1044 ve1 = TopExp::FirstVertex(rfe,Standard_True);
1045 ve2 = TopExp::LastVertex(rfe,Standard_True);
1046 BRepExtrema_ExtPF perp(ve1, fac);
1047 if (perp.IsDone()) {
1048 gp_Pnt pe1=perp.Point(1);
1049 perp.Perform(ve2, fac);
1050 if (perp.IsDone()) {
1051 gp_Pnt pe2=perp.Point(1);
1052 if (pe1.Distance(pe2)<=BRep_Tool::Tolerance(rfe))
1053 result=Standard_True;
1063 const TopTools_ListOfShape& L = mapedges.FindFromKey(FirstEdge);
1064 TopTools_ListIteratorOfListOfShape It(L);
1066 for (; It.More(); It.Next()) {
1067 const TopoDS_Face& FF = TopoDS::Face(It.Value());
1068 if (!FF.IsSame(CurrentFace)) {
1074 //modified by NIZNHY-PKV Fri Mar 22 16:50:53 2002 f
1075 //BRepAlgo_Section sectf (fac, CurrentFace, Standard_False);
1076 BRepAlgoAPI_Section sectf (fac, CurrentFace, Standard_False);
1077 //modified by NIZNHY-PKV Fri Mar 22 16:51:03 2002 t
1078 sectf.Approximation(Standard_True);
1082 for (Ex.Init(sectf.Shape(), TopAbs_EDGE); Ex.More(); Ex.Next()) {
1083 edg1 = TopoDS::Edge(Ex.Current());
1084 v1=TopExp::FirstVertex(edg1,Standard_True);
1085 v2=TopExp::LastVertex(edg1,Standard_True);
1086 t1 = BRep_Tool::Tolerance(v1);
1087 t2 = BRep_Tool::Tolerance(v2);
1088 p1 = BRep_Tool::Pnt(v1);
1089 p2 = BRep_Tool::Pnt(v2);
1090 v1OK = p1.Distance(ptprev)<=t1;
1091 v2OK = p2.Distance(ptprev)<=t2;
1092 if (v1OK || v2OK) break;
1097 dp = p2.Distance(Firstpoint);
1099 FirstOK = Standard_True;
1100 BB.UpdateVertex(v2, dp);
1104 dp = p2.Distance(Lastpoint);
1106 LastOK = Standard_True;
1107 BB.UpdateVertex(v2, dp);
1113 dp = p1.Distance(Firstpoint);
1115 FirstOK = Standard_True;
1116 BB.UpdateVertex(v1, dp);
1120 dp = p1.Distance(Lastpoint);
1122 LastOK = Standard_True;
1123 BB.UpdateVertex(v1, dp);
1128 // end by chaining the section
1129 return Standard_False;
1131 TopTools_ListOfShape thelist1;
1132 mySlface.Bind(CurrentFace, thelist1);
1133 mySlface(CurrentFace).Append(edg1);
1134 myListOfEdges.Append(edg1);
1141 //=======================================================================
1143 //purpose : management of descendants
1144 //=======================================================================
1146 static void MajMap(const TopoDS_Shape& theB,
1147 const LocOpe_LinearForm& theP,
1148 TopTools_DataMapOfShapeListOfShape& theMap, // myMap
1149 TopoDS_Shape& theFShape, // myFShape
1150 TopoDS_Shape& theLShape) // myLShape
1152 TopExp_Explorer exp(theP.FirstShape(),TopAbs_WIRE);
1154 theFShape = exp.Current();
1155 TopTools_ListOfShape thelist;
1156 theMap.Bind(theFShape, thelist);
1157 for (exp.Init(theP.FirstShape(),TopAbs_FACE);exp.More();exp.Next()) {
1158 theMap(theFShape).Append(exp.Current());
1162 exp.Init(theP.LastShape(),TopAbs_WIRE);
1164 theLShape = exp.Current();
1165 TopTools_ListOfShape thelist1;
1166 theMap.Bind(theLShape, thelist1);
1167 for (exp.Init(theP.LastShape(),TopAbs_FACE);exp.More();exp.Next()) {
1168 theMap(theLShape).Append(exp.Current());
1172 for (exp.Init(theB,TopAbs_EDGE); exp.More(); exp.Next()) {
1173 if (!theMap.IsBound(exp.Current())) {
1174 TopTools_ListOfShape thelist2;
1175 theMap.Bind(exp.Current(), thelist2);
1176 theMap(exp.Current()) = theP.Shapes(exp.Current());
1181 //=======================================================================
1182 //function : SetGluedFaces
1183 //purpose : management of faces of gluing
1184 //=======================================================================
1186 static void SetGluedFaces(const TopTools_DataMapOfShapeListOfShape& theSlmap,
1187 LocOpe_LinearForm& thePrism,
1188 TopTools_DataMapOfShapeShape& theMap)
1191 TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itm(theSlmap);
1192 if(!theSlmap.IsEmpty()) {
1193 for (; itm.More(); itm.Next()) {
1194 const TopoDS_Face& fac = TopoDS::Face(itm.Key());
1195 const TopTools_ListOfShape& ledg = itm.Value();
1196 TopTools_ListIteratorOfListOfShape it;
1197 for (it.Initialize(ledg); it.More(); it.Next()) {
1198 const TopTools_ListOfShape& gfac = thePrism.Shapes(it.Value());
1199 if (gfac.Extent() != 1) {
1201 cout << "Pb SetGluedFace" << endl;
1204 theMap.Bind(gfac.First(),fac);