1 // Created on: 1997-03-01
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.
17 // Modified by MPS (14-04-97) traitement des cas ou il n'y a pas
18 // d'intersection entre les stripes
19 // Modified by MPS (16-06-97) : on tient compte du fait que GeomPlate
20 // rend les courbes 2d dans meme ordre que les
21 // courbes frontieres passees en entree
22 // Modified by JLR (20-08-97) mise en place des nouveaux constructeurs de GeomPlate
23 // Modified by MPS (03-11-97) on ne cree pas un batten lorsque le rapport
24 // entre les deux resolutions sur la surface est trop grand (PRO10649)
25 // Modified by MPS (05-12-97) on ne tient pas compte des aretes degenerees
26 // lors du calcul du nombre d'aretes.
27 // Modified by JCT (08-12-97) traitement des aretes vives consecutives ou non
28 // (grille EDC412 sauf D2, L1, L2, L3)
29 // Modified by JCT (11-12-97) pb osf avec indpoint + orientation de plate
30 // ( --> D2, L1, L2, L3 valides mais laids)
31 // Modified by MPS (24-02-98) traitement des aretes de regularite
32 // Modified by MPS (01-06-98) traitement des aretes de couture
33 // Modified by MPS (01-12-98) traitement des bords libres
34 // Modified by MPS (01-02-99) traitement des aretes de regularite
36 // Traitement des coins
38 #include <Adaptor2d_HCurve2d.hxx>
39 #include <Adaptor3d_CurveOnSurface.hxx>
40 #include <Adaptor3d_HCurveOnSurface.hxx>
41 #include <Adaptor3d_HSurface.hxx>
42 #include <Adaptor3d_TopolTool.hxx>
43 #include <AppBlend_Approx.hxx>
44 #include <Blend_CurvPointFuncInv.hxx>
45 #include <Blend_FuncInv.hxx>
46 #include <Blend_Function.hxx>
47 #include <Blend_RstRstFunction.hxx>
48 #include <Blend_SurfCurvFuncInv.hxx>
49 #include <Blend_SurfPointFuncInv.hxx>
50 #include <Blend_SurfRstFunction.hxx>
51 #include <Bnd_Box2d.hxx>
52 #include <BndLib_Add2dCurve.hxx>
53 #include <BRep_Tool.hxx>
54 #include <BRepAdaptor_HCurve2d.hxx>
55 #include <BRepAdaptor_HSurface.hxx>
56 #include <BRepAlgo_NormalProjection.hxx>
57 #include <BRepBlend_Line.hxx>
58 #include <BRepLib_MakeEdge.hxx>
59 #include <BRepLib_MakeFace.hxx>
60 #include <BRepTools.hxx>
61 #include <BRepTopAdaptor_TopolTool.hxx>
62 #include <ChFi3d_Builder.hxx>
63 #include <ChFi3d_Builder_0.hxx>
64 #include <ChFiDS_CommonPoint.hxx>
65 #include <ChFiDS_FaceInterference.hxx>
66 #include <ChFiDS_HData.hxx>
67 #include <ChFiDS_HElSpine.hxx>
68 #include <ChFiDS_ListIteratorOfListOfStripe.hxx>
69 #include <ChFiDS_Regul.hxx>
70 #include <ChFiDS_SequenceOfSurfData.hxx>
71 #include <ChFiDS_Spine.hxx>
72 #include <ChFiDS_Stripe.hxx>
73 #include <ChFiDS_StripeArray1.hxx>
74 #include <ChFiDS_SurfData.hxx>
75 #include <Extrema_ExtCC.hxx>
76 #include <Extrema_ExtPC.hxx>
77 #include <Extrema_POnCurv.hxx>
78 #include <FairCurve_Batten.hxx>
79 #include <Geom2d_BSplineCurve.hxx>
80 #include <Geom2d_Curve.hxx>
81 #include <Geom2d_Line.hxx>
82 #include <Geom2d_TrimmedCurve.hxx>
83 #include <Geom2dAdaptor_HCurve.hxx>
84 #include <Geom2dLProp_CLProps2d.hxx>
85 #include <Geom_BezierCurve.hxx>
86 #include <Geom_BSplineSurface.hxx>
87 #include <Geom_Curve.hxx>
88 #include <Geom_Line.hxx>
89 #include <Geom_Surface.hxx>
90 #include <GeomAdaptor.hxx>
91 #include <GeomAdaptor_HSurface.hxx>
92 #include <GeomInt_IntSS.hxx>
93 #include <GeomLib.hxx>
94 #include <GeomPlate_BuildPlateSurface.hxx>
95 #include <GeomPlate_CurveConstraint.hxx>
96 #include <GeomPlate_HArray1OfHCurve.hxx>
97 #include <GeomPlate_MakeApprox.hxx>
98 #include <GeomPlate_PlateG0Criterion.hxx>
99 #include <GeomPlate_Surface.hxx>
100 #include <gp_Dir2d.hxx>
101 #include <gp_Pnt.hxx>
102 #include <gp_Pnt2d.hxx>
103 #include <math_Matrix.hxx>
105 #include <Precision.hxx>
106 #include <Standard_ConstructionError.hxx>
107 #include <Standard_NoSuchObject.hxx>
108 #include <Standard_OutOfRange.hxx>
109 #include <TColGeom2d_Array1OfCurve.hxx>
110 #include <TColGeom2d_HArray1OfCurve.hxx>
111 #include <TColGeom2d_SequenceOfCurve.hxx>
112 #include <TColGeom_Array1OfCurve.hxx>
113 #include <TColGeom_SequenceOfCurve.hxx>
114 #include <TColgp_Array1OfPnt.hxx>
115 #include <TColgp_Array1OfPnt2d.hxx>
116 #include <TColgp_Array1OfXYZ.hxx>
117 #include <TColgp_SequenceOfXY.hxx>
118 #include <TColgp_SequenceOfXYZ.hxx>
119 #include <TColStd_Array1OfBoolean.hxx>
120 #include <TColStd_Array1OfInteger.hxx>
121 #include <TColStd_Array1OfReal.hxx>
122 #include <TColStd_Array2OfInteger.hxx>
123 #include <TColStd_Array2OfReal.hxx>
124 #include <TColStd_HArray1OfInteger.hxx>
125 #include <TColStd_ListOfInteger.hxx>
126 #include <TopAbs_Orientation.hxx>
127 #include <TopExp.hxx>
128 #include <TopExp_Explorer.hxx>
129 #include <TopoDS_Edge.hxx>
130 #include <TopoDS_Face.hxx>
131 #include <TopoDS_Shape.hxx>
132 #include <TopoDS_Vertex.hxx>
133 #include <TopOpeBRepBuild_HBuilder.hxx>
134 #include <TopOpeBRepDS_Curve.hxx>
135 #include <TopOpeBRepDS_CurvePointInterference.hxx>
136 #include <TopOpeBRepDS_DataStructure.hxx>
137 #include <TopOpeBRepDS_HDataStructure.hxx>
138 #include <TopOpeBRepDS_Kind.hxx>
139 #include <TopOpeBRepDS_ListOfInterference.hxx>
140 #include <TopOpeBRepDS_Point.hxx>
141 #include <TopOpeBRepDS_SolidSurfaceInterference.hxx>
142 #include <TopOpeBRepDS_Surface.hxx>
143 #include <TopOpeBRepDS_SurfaceCurveInterference.hxx>
144 #include <TopOpeBRepDS_Transition.hxx>
145 #include <TopTools_Array2OfShape.hxx>
146 #include <TopTools_IndexedMapOfShape.hxx>
147 #include <ChFi3d.hxx>
151 #include <OSD_Chronometer.hxx>
152 extern Standard_Real t_plate ,t_approxplate,t_batten;
153 extern void ChFi3d_InitChron(OSD_Chronometer& ch);
154 extern void ChFi3d_ResultChron(OSD_Chronometer & ch,Standard_Real& time);
158 //=======================================================================
161 //=======================================================================
163 static void Indices ( const Standard_Integer n,
164 const Standard_Integer ic,
165 Standard_Integer & icplus,
166 Standard_Integer & icmoins)
168 if (ic== (n-1)) icplus=0;
170 if (ic==0) icmoins=n-1;
174 //=======================================================================
175 //function : Calcul_Param
177 //=======================================================================
179 static void Calcul_Param (const Handle(ChFiDS_Stripe)& stripe,
180 const Standard_Integer jfposit,
181 const Standard_Integer indice,
182 const Standard_Boolean isfirst,
183 Standard_Real & param)
186 param=stripe->SetOfSurfData()->Value(indice)->InterferenceOnS2().Parameter(isfirst);
188 param=stripe->SetOfSurfData()->Value(indice)->InterferenceOnS1().Parameter(isfirst);
191 //=======================================================================
192 //function : Calcul_P2dOnSurf
194 //=======================================================================
196 static void Calcul_P2dOnSurf(const Handle(ChFiDS_Stripe)& stripe,
197 const Standard_Integer jfposit,
198 const Standard_Integer indice,
199 const Standard_Real param,
204 stripe->SetOfSurfData()->Value(indice)
205 ->InterferenceOnS1().PCurveOnSurf()->D0(param,p2);
207 stripe->SetOfSurfData()->Value(indice)
208 ->InterferenceOnS2().PCurveOnSurf()->D0(param,p2);
211 //=======================================================================
212 //function : Calcul_C2dOnFace
214 //=======================================================================
216 static void Calcul_C2dOnFace (const Handle(ChFiDS_Stripe)& stripe,
217 const Standard_Integer jfposit,
218 const Standard_Integer indice,
219 Handle(Geom2d_Curve) & c2d)
223 c2d = stripe->SetOfSurfData()->Value(indice)
224 ->InterferenceOnS1().PCurveOnFace();
226 c2d = stripe->SetOfSurfData()->Value(indice)
227 ->InterferenceOnS2().PCurveOnFace();
230 //=======================================================================
231 //function : Calcul_Orientation
233 //=======================================================================
235 static void Calcul_Orientation(const Handle(ChFiDS_Stripe)& stripe,
236 const Standard_Integer jfposit,
237 const Standard_Integer indice,
238 TopAbs_Orientation & orient)
241 orient = stripe->SetOfSurfData()->Value(indice)
242 ->InterferenceOnS1().Transition();
244 orient = stripe->SetOfSurfData()->Value(indice)
245 ->InterferenceOnS2().Transition();
248 //=======================================================================
249 //function : RemoveSD
251 //=======================================================================
253 static void RemoveSD(Handle(ChFiDS_Stripe)& Stripe,
254 const Standard_Integer num1,
255 const Standard_Integer num2 )
257 ChFiDS_SequenceOfSurfData& Seq =
258 Stripe->ChangeSetOfSurfData()->ChangeSequence();
259 if(Seq.IsEmpty()) return;
263 Seq.Remove(num1,num2);
266 //=======================================================================
267 //function : cherche_edge1
268 //purpose : find common edge of faces F1 and F2
269 //=======================================================================
271 static void cherche_edge1 (const TopoDS_Face & F1,
272 const TopoDS_Face & F2,
274 { Standard_Integer i,j;
275 TopoDS_Edge Ecur1,Ecur2;
276 Standard_Boolean trouve=Standard_False;
277 TopTools_IndexedMapOfShape MapE1,MapE2;
278 TopExp::MapShapes( F1,TopAbs_EDGE,MapE1);
279 TopExp::MapShapes( F2,TopAbs_EDGE,MapE2);
280 for ( i=1; i<= MapE1.Extent()&&!trouve; i++)
282 TopoDS_Shape aLocalShape = TopoDS_Shape (MapE1(i));
283 Ecur1=TopoDS::Edge(aLocalShape);
284 // Ecur1=TopoDS::Edge(TopoDS_Shape (MapE1(i)));
285 for ( j=1; j<= MapE2.Extent()&&!trouve; j++)
287 aLocalShape = TopoDS_Shape (MapE2(j));
288 Ecur2=TopoDS::Edge(aLocalShape);
289 // Ecur2=TopoDS::Edge(TopoDS_Shape (MapE2(j)));
290 if (Ecur2.IsSame(Ecur1))
291 {Edge=Ecur1;trouve=Standard_True;}
296 //=======================================================================
297 //function : CurveHermite
298 //purpose : calculate a curve 3d using polynoms of Hermite.
299 // the edge is a regular edge. Curve 3D is constructed
300 // between edges icmoins and icplus.
301 //=======================================================================
303 static void CurveHermite (const TopOpeBRepDS_DataStructure& DStr,
304 const Handle(ChFiDS_Stripe)& CDicmoins,
305 const Standard_Integer jficmoins,
306 const Standard_Integer icmoins,
307 const Standard_Real picmoins,
308 const Standard_Integer sensicmoins,
309 const Standard_Boolean sharpicmoins,
310 const TopoDS_Edge & Eviveicmoins,
311 const Handle(ChFiDS_Stripe)& CDicplus,
312 const Standard_Integer jficplus,
313 const Standard_Integer icplus,
314 const Standard_Real picplus,
315 const Standard_Integer sensicplus,
316 const Standard_Boolean sharpicplus,
317 const TopoDS_Edge & Eviveicplus,
318 const Standard_Integer nbface,
319 TopTools_SequenceOfShape & Ecom,
320 const TopTools_SequenceOfShape & Face,
321 TColGeom2d_SequenceOfCurve & proj2d,
322 TColGeom_SequenceOfCurve & cproj,
323 TopTools_SequenceOfShape & Eproj,
324 TColStd_SequenceOfReal & param,
325 Standard_Real & error)
329 Standard_Integer ii,jj;
330 Standard_Real up1,up2;
331 Standard_Integer ilin,jfp;
332 Handle (Geom_Curve) c1,c2;
334 c1=BRep_Tool::Curve(Eviveicmoins,up1,up2);
338 ilin= CDicmoins->SetOfSurfData()->Value( icmoins)->InterferenceOnS1().LineIndex();
339 else ilin= CDicmoins->SetOfSurfData()->Value(icmoins)->InterferenceOnS2().LineIndex();
340 c1=DStr.Curve(ilin).Curve();
343 c2=BRep_Tool::Curve(Eviveicplus,up1,up2);
348 ilin= CDicplus->SetOfSurfData()->Value( icplus)->InterferenceOnS1().LineIndex();
349 else ilin=CDicplus->SetOfSurfData()->Value(icplus)->InterferenceOnS2().LineIndex();
350 c2=DStr.Curve(ilin ).Curve();
352 c1->D1(picmoins,p01,d11);
353 c2->D1(picplus,p02,d12);
354 Standard_Integer size = 4;
355 math_Matrix MatCoefs(1,size, 1,size);
356 TColgp_Array1OfXYZ Cont(1,size);
357 PLib::HermiteCoefficients(0, 1,1,1,MatCoefs);
358 Standard_Real L1=p01.Distance(p02);
359 Standard_Real lambda= ((Standard_Real)1) / Max (d11.Magnitude() / L1, 1.e-6);
361 if (sensicmoins==1) Cont(2) = d11.XYZ()*(-lambda) ;
362 else Cont(2) = d11.XYZ()*(lambda) ;
363 lambda= ((Standard_Real)1) / Max (d12.Magnitude() / L1, 1.e-6);
365 if (sensicplus==1) Cont(4) = d12.XYZ()*(lambda);
366 else Cont(4) = d12.XYZ()*(-lambda);
367 TColgp_Array1OfPnt ExtrapPoles(1, size);
368 TColgp_Array1OfPnt ExtraCoeffs(1, size);
370 ExtraCoeffs.Init(p0);
371 for (ii=1; ii<=size; ii++) {
372 for (jj=1; jj<=size; jj++) {
373 ExtraCoeffs(jj).ChangeCoord() += MatCoefs(ii,jj)*Cont(ii);
376 PLib::CoefficientsPoles(ExtraCoeffs, PLib::NoWeights(),
377 ExtrapPoles, PLib::NoWeights());
378 Handle(Geom_BezierCurve) Bezier = new (Geom_BezierCurve) (ExtrapPoles);
379 BRepLib_MakeEdge Bedge (Bezier);
380 TopoDS_Edge edg =Bedge. Edge();
384 for(nb=1;nb<=nbface;nb++){
385 F=TopoDS::Face(Face.Value(nb));
386 TopTools_IndexedMapOfShape MapE1;
388 Handle(Geom2d_Curve) proj1;
389 Handle(Geom_Curve) proj1c,proj2c;
390 BRepAlgo_NormalProjection OrtProj;
393 OrtProj.SetParams(1.e-4, 1.e-4, GeomAbs_C1, 14, 16);
395 if ( OrtProj.IsDone()){
396 TopExp::MapShapes(OrtProj.Projection() , TopAbs_EDGE, MapE1);
397 if (MapE1.Extent()!=0){
398 if (MapE1.Extent()!=1) {
399 BRepLib_MakeFace Bface (BRep_Tool::Surface(F), Precision::Confusion());
404 if ( OrtProj.IsDone())
405 TopExp::MapShapes(OrtProj.Projection() ,TopAbs_EDGE, MapE1);
407 if (MapE1.Extent()!=0) {
408 Standard_Boolean trouve=Standard_False;
409 for (Standard_Integer ind=1;ind<=MapE1.Extent()&&!trouve;ind++){
410 TopoDS_Shape aLocalShape = TopoDS_Shape( MapE1(ind));
411 E1=TopoDS::Edge( aLocalShape );
412 // E1=TopoDS::Edge( TopoDS_Shape (MapE1(ind)));
413 if (!BRep_Tool::Degenerated(E1)) trouve=Standard_True;
416 proj1=BRep_Tool::CurveOnSurface(E1,F,up1,up2);
417 proj2d.Append(new Geom2d_TrimmedCurve(proj1,up1,up2));
418 proj1c=BRep_Tool::Curve(E1,up1,up2);
419 cproj.Append(new Geom_TrimmedCurve(proj1c,up1,up2));
420 if (error>BRep_Tool::Tolerance(E1)) error=BRep_Tool::Tolerance(E1);
424 proj2d.Append(proj1);
425 cproj.Append(proj1c);
430 proj2d.Append(proj1);
431 cproj.Append(proj1c);
435 for (nb=1;nb<=nbface-1;nb++) {
436 BRepAdaptor_Curve C(TopoDS::Edge(Ecom.Value(nb)));
437 C.D0(param.Value(nb),p02);
438 GeomAdaptor_Curve L (Bezier);
439 Extrema_ExtCC ext (C,L);
441 if (!ext.IsParallel() && ext.NbExt()!=0){
442 Extrema_POnCurv POnC, POnL;
443 ext.Points(1, POnC, POnL);
444 if (POnC.Value().Distance(POnL.Value()) < Precision::Confusion())
445 param.ChangeValue(nb) =POnC.Parameter();
448 if (!cproj.Value(nb).IsNull()) {
449 cproj.Value(nb)->D0(cproj.Value(nb)->LastParameter(),p01);
451 else if (!cproj.Value(nb+1).IsNull()) {
452 cproj.Value(nb+1)->D0(cproj.Value(nb+1)->FirstParameter(),p01);
457 if (!ext.IsDone()||ext.NbExt()==0) {
458 if (!cproj.Value(nb).IsNull()) {
459 cproj.Value(nb)->D0(cproj.Value(nb)->LastParameter(),p01);
461 else if (!cproj.Value(nb+1).IsNull()) {
462 cproj.Value(nb+1)->D0(cproj.Value(nb+1)->FirstParameter(),p01);
464 if (p01.Distance(p02)>1.e-4 ){
465 Extrema_ExtPC ext1 (p01,C);
467 if (ext1.NbExt()!=0){
468 Extrema_POnCurv POnC(ext1.Point(1));
469 param.ChangeValue(nb) =POnC.Parameter();
477 //=======================================================================
478 //function : CalculDroite
479 //purpose : calculate a 2D straight line passing through point p2d1 and direction xdir ydir
480 //=======================================================================
482 static void CalculDroite(const gp_Pnt2d & p2d1,
483 const Standard_Real xdir,
484 const Standard_Real ydir,
485 Handle (Geom2d_Curve) & pcurve)
486 { gp_Dir2d dir1 (xdir, ydir);
487 Handle(Geom2d_Line) l= new Geom2d_Line (p2d1,dir1);
488 Standard_Real l0 = sqrt(xdir*xdir+ ydir*ydir );
489 pcurve = new Geom2d_TrimmedCurve(l,0,l0);
492 //=======================================================================
493 //function : CalculBatten
494 //purpose : calcule a batten between curves 2d curv2d1 and curv2d2 at points p2d1 and p2d2
495 //=======================================================================
497 static void CalculBatten (const Handle (GeomAdaptor_HSurface) ASurf,
498 const TopoDS_Face Face ,
499 const Standard_Real xdir,
500 const Standard_Real ydir,
501 const gp_Pnt2d & p2d1,
502 const gp_Pnt2d & p2d2,
503 const Standard_Boolean contraint1,
504 const Standard_Boolean contraint2,
505 Handle (Geom2d_Curve) & curv2d1,
506 Handle (Geom2d_Curve) & curv2d2,
507 const Standard_Real picicplus,
508 const Standard_Real picplusic,
509 const Standard_Boolean inverseic,
510 const Standard_Boolean inverseicplus,
511 Handle (Geom2d_Curve)& pcurve)
513 Standard_Boolean isplane;
514 Standard_Boolean anglebig = Standard_False;
515 isplane=ASurf->GetType()==GeomAbs_Plane;
516 gp_Dir2d dir1 (xdir, ydir);
517 Geom2dLProp_CLProps2d CL1(curv2d1, picicplus, 1, 1.e-4);
518 Geom2dLProp_CLProps2d CL2( curv2d2, picplusic, 1, 1.e-4);
522 if (inverseic) dir3.Reverse();
523 if (inverseicplus) dir4.Reverse();
524 Standard_Real h = p2d2.Distance(p2d1)/20;
525 FairCurve_Batten Bat(p2d1,p2d2,h);
526 Bat.SetFreeSliding (Standard_True);
527 Standard_Real ang1,ang2;
528 ang1=dir1.Angle(dir3);
529 if (dir1.Angle(dir4) >0 ) ang2=M_PI-dir1.Angle(dir4);
530 else ang2=-M_PI-dir1.Angle(dir4);
531 if (contraint1&&contraint2)
532 anglebig=(Abs(ang1)>1.2)|| (Abs(ang2)>1.2 );
534 anglebig=Abs(ang1)>1.2;
536 anglebig=Abs(ang2)>1.2;
537 if (isplane && (Abs(ang1)>M_PI/2 || Abs(ang2)>M_PI/2))
538 isplane=Standard_False;
539 if (anglebig && !isplane) {
540 CalculDroite(p2d1,xdir,ydir,pcurve);
543 if (contraint1) Bat.SetAngle1(ang1);
544 else Bat.SetConstraintOrder1(0);
545 if (contraint2) Bat.SetAngle2(ang2);
546 else Bat.SetConstraintOrder2(0);
547 FairCurve_AnalysisCode Iana;
549 Ok = Bat.Compute(Iana,25,1.e-2);
552 std::cout<<"no batten :";
557 pcurve = Bat.Curve();
558 Standard_Real umin,vmin,umax,vmax;
559 BRepTools::UVBounds(Face,umin,umax,vmin,vmax);
561 Geom2dAdaptor_Curve acur(pcurve);
562 BndLib_Add2dCurve::Add(acur,0,bc);
563 bf.Update(umin,vmin,umax,vmax);
564 Standard_Real uminc,vminc,umaxc,vmaxc;
565 bc.Get(uminc,vminc,umaxc,vmaxc);
566 if (uminc<umin-1.e-7) Ok=Standard_False;
567 if (umaxc>umax+1.e-7) Ok=Standard_False;
568 if (vminc<vmin-1.e-7) Ok=Standard_False;
569 if (vmaxc>vmax+1.e-7) Ok=Standard_False;
571 if (!Ok) CalculDroite(p2d1, xdir,ydir, pcurve);
575 //=======================================================================
576 //function : OrientationIcNonVive
577 //purpose : calculate the orientation of the curve between ic and icplus knowing that ic
578 // is not a living edge.
579 //=======================================================================
581 static void OrientationIcNonVive (const Handle(ChFiDS_Stripe) & CDic,
582 const Standard_Integer jfic,
583 const Standard_Integer icicplus,
584 const Standard_Integer sensic,
585 TopAbs_Orientation & orien )
587 TopAbs_Orientation orinterf;
588 Calcul_Orientation(CDic,jfic,icicplus,orinterf);
590 if (orinterf==TopAbs_FORWARD) orien=TopAbs_FORWARD;
591 else orien=TopAbs_REVERSED;
594 if (orinterf==TopAbs_FORWARD) orien=TopAbs_REVERSED;
595 else orien=TopAbs_FORWARD;
599 //=======================================================================
600 //function : OrientationIcplusNonVive
601 //purpose : calculate the orientation of the curve between ic and icplus knowing that icplus
602 // is not a living edge;
603 //=======================================================================
605 static void OrientationIcplusNonVive (const Handle(ChFiDS_Stripe) & CDicplus,
606 const Standard_Integer jficplus,
607 const Standard_Integer icplusic,
608 const Standard_Integer sensicplus,
609 TopAbs_Orientation & orien )
611 TopAbs_Orientation orinterf;
612 Standard_Integer jfp = 3 -jficplus;
613 Calcul_Orientation(CDicplus,jfp,icplusic,orinterf);
615 if (orinterf==TopAbs_FORWARD) orien=TopAbs_FORWARD;
616 else orien=TopAbs_REVERSED;
619 if (orinterf==TopAbs_FORWARD) orien=TopAbs_REVERSED;
620 else orien=TopAbs_FORWARD;
624 //=======================================================================
625 //function : OrientationAreteViveConsecutive
626 //purpose : calculate the orientation of the curve between edges ic and icplus
627 // where ic and icplus are consecutively living
628 //=======================================================================
630 static void OrientationAreteViveConsecutive (const TopoDS_Shape & Fviveicicplus,
631 const TopoDS_Shape & Eviveic,
632 const TopoDS_Vertex & V1,
633 TopAbs_Orientation & orien)
635 { // orinterf is orientation of edge ic corresponding to face Fviveicicplus taken FORWARD
636 TopAbs_Orientation orinterf = TopAbs_FORWARD;
637 TopoDS_Face F=TopoDS::Face( Fviveicicplus);
638 TopoDS_Edge E=TopoDS::Edge( Eviveic);
640 for(ex.Init(F.Oriented(TopAbs_FORWARD),TopAbs_EDGE);ex.More(); ex.Next()){
641 if(E.IsSame(ex.Current())) {
642 orinterf = ex.Current().Orientation();
646 // if V1 is vertex REVERSED of edge ic the curve
647 // has the same orientation as ic
649 vl=TopExp::LastVertex(E);
651 if (orinterf==TopAbs_FORWARD) orien=TopAbs_FORWARD;
652 else orien=TopAbs_REVERSED;
655 if (orinterf==TopAbs_FORWARD) orien=TopAbs_REVERSED;
656 else orien=TopAbs_FORWARD;
660 //=======================================================================
661 //function : PerformTwoCornerSameExt
662 //purpose : calculate intersection between two stripes stripe1 and stripe2
663 //=======================================================================
665 static void PerformTwoCornerSameExt(TopOpeBRepDS_DataStructure& DStr,
666 const Handle(ChFiDS_Stripe)& stripe1,
667 const Standard_Integer index1,
668 const Standard_Integer sens1,
669 const Handle(ChFiDS_Stripe) &stripe2,
670 const Standard_Integer index2,
671 const Standard_Integer sens2,
672 Standard_Boolean & trouve)
674 { Handle (TopOpeBRepDS_CurvePointInterference) Interfp1, Interfp2;
675 Handle (TopOpeBRepDS_SurfaceCurveInterference) Interfc;
676 TopAbs_Orientation orpcurve,trafil1,orsurf1,orsurf2;
677 Standard_Boolean isfirst;
678 Standard_Integer indic1,indic2, indpoint1,indpoint2,ind,indcurve;
682 Handle(Geom_Curve)cint;
683 Handle(Geom2d_Curve) C2dint1,C2dint2;
685 ChFiDS_CommonPoint& Com11= stripe1->SetOfSurfData()->Value(index1)->ChangeVertex (isfirst,1);
686 ChFiDS_CommonPoint& Com12= stripe1->SetOfSurfData()->Value(index1)->ChangeVertex (isfirst,2);
688 ChFiDS_CommonPoint& Com21= stripe2->SetOfSurfData()->Value(index2)->ChangeVertex (isfirst,1);
690 // ChFiDS_CommonPoint& Com22=
691 // stripe2->SetOfSurfData()->Value(index2)->ChangeVertex (isfirst,2);
693 indic1=stripe1->SetOfSurfData()->Value(index1)->Surf();
694 indic2=stripe2->SetOfSurfData()->Value(index2)->Surf();
695 const Handle(ChFiDS_SurfData) Fd1=stripe1->SetOfSurfData()->Value(index1);
696 const Handle(ChFiDS_SurfData) Fd2=stripe2->SetOfSurfData()->Value(index2);
698 TColStd_Array1OfReal Pardeb(1,4),Parfin(1,4);
699 const ChFiDS_FaceInterference& Fi11 = Fd1->InterferenceOnS1();
700 const ChFiDS_FaceInterference& Fi12 = Fd1->InterferenceOnS2();
701 const ChFiDS_FaceInterference& Fi21 = Fd2->InterferenceOnS1();
702 const ChFiDS_FaceInterference& Fi22 = Fd2->InterferenceOnS2();
703 gp_Pnt2d pfi11,pfi12,pfi21,pfi22;
705 pfi11 = Fi11.PCurveOnSurf()->Value(Fi11.Parameter(isfirst));
706 pfi12 = Fi12.PCurveOnSurf()->Value(Fi12.Parameter(isfirst));
708 if (Com11.Point().Distance(Com21.Point()) <1.e-4) {
709 pfi21 = Fi21.PCurveOnSurf()->Value(Fi21.Parameter(isfirst));
710 pfi22 = Fi22.PCurveOnSurf()->Value(Fi22.Parameter(isfirst));
713 pfi22 = Fi21.PCurveOnSurf()->Value(Fi21.Parameter(isfirst));
714 pfi21 = Fi22.PCurveOnSurf()->Value(Fi22.Parameter(isfirst));
717 Pardeb(1)= pfi11.X();Pardeb(2) = pfi11.Y();
718 Pardeb(3)= pfi21.X();Pardeb(4) = pfi21.Y();
719 Parfin(1)= pfi12.X();Parfin(2) = pfi12.Y();
720 Parfin(3)= pfi22.X();Parfin(4) = pfi22.Y();
722 Handle(GeomAdaptor_HSurface) HS1= ChFi3d_BoundSurf(DStr,Fd1,1,2);
723 Handle(GeomAdaptor_HSurface) HS2= ChFi3d_BoundSurf(DStr,Fd2,1,2);
724 trouve=Standard_False;
725 if (ChFi3d_ComputeCurves(HS1,HS2,Pardeb,Parfin,cint,
726 C2dint1,C2dint2,1.e-4,1.e-5,tol)){
727 cint->D0(cint->FirstParameter(),P1);
728 cint->D0(cint->LastParameter(),P2);
729 trouve=((Com11.Point().Distance(P1) <1.e-4 || Com11.Point().Distance(P2)<1.e-4)&&
730 (Com12.Point().Distance(P1) <1.e-4 || Com12.Point().Distance(P2)<1.e-4));
735 stripe1->InDS(isfirst);
736 indpoint1=ChFi3d_IndexPointInDS(Com11,DStr);
737 indpoint2=ChFi3d_IndexPointInDS(Com12,DStr);
738 stripe1->SetIndexPoint(indpoint1,isfirst,1);
739 stripe1->SetIndexPoint(indpoint2,isfirst,2);
741 stripe2->InDS(isfirst);
742 if (Com11.Point().Distance(Com21.Point()) <1.e-4) {
743 stripe2->SetIndexPoint(indpoint1,isfirst,1);
744 stripe2->SetIndexPoint(indpoint2,isfirst,2);
747 stripe2->SetIndexPoint(indpoint2,isfirst,1);
748 stripe2->SetIndexPoint(indpoint1,isfirst,2);
751 orsurf1=Fd1->Orientation();
752 trafil1 = DStr.Shape(Fd1->IndexOfS1()).Orientation();
753 trafil1 = TopAbs::Compose(trafil1,Fd1->Orientation());
754 trafil1 = TopAbs::Compose(TopAbs::Reverse(Fi11.Transition()),trafil1);
755 orsurf2=Fd2->Orientation();
756 TopOpeBRepDS_Curve tcurv3d(cint,tol);
757 indcurve= DStr.AddCurve(tcurv3d);
758 cint->D0(cint->FirstParameter(),P1);
759 cint->D0(cint->LastParameter(),P2);
760 Fi11.PCurveOnFace()->D0(Fi11.LastParameter(),p2d);
761 const Handle(Geom_Surface) Stemp =
762 BRep_Tool::Surface(TopoDS::Face(DStr.Shape(Fd1->IndexOfS1())));
763 Stemp ->D0(p2d.X(),p2d.Y(),P4);
764 Fi11.PCurveOnFace()->D0(Fi11.FirstParameter(),p2d);
765 Stemp ->D0(p2d.X(),p2d.Y(),P3);
766 if (P1.Distance(P4)<1.e-4 || P2.Distance(P3)<1.e-4)
768 else orpcurve=TopAbs::Reverse(trafil1);
769 if (Com11.Point().Distance(P1) >1.e-4) {
774 Interfp1=ChFi3d_FilPointInDS(TopAbs_FORWARD,indcurve, indpoint1, cint->FirstParameter());
775 Interfp2=ChFi3d_FilPointInDS(TopAbs_REVERSED,indcurve,indpoint2, cint->LastParameter());
776 DStr.ChangeCurveInterferences(indcurve).Append(Interfp1);
777 DStr.ChangeCurveInterferences(indcurve).Append(Interfp2);
778 Interfc=ChFi3d_FilCurveInDS(indcurve,indic1,C2dint1,orpcurve);
779 DStr.ChangeSurfaceInterferences(indic1).Append(Interfc);
780 if (orsurf1==orsurf2) orpcurve=TopAbs::Reverse(orpcurve);
781 Interfc=ChFi3d_FilCurveInDS(indcurve,indic2,C2dint2,orpcurve);
782 DStr.ChangeSurfaceInterferences(indic2).Append(Interfc);
786 //=======================================================================
787 //function : CpOnEdge
788 //purpose : determine if surfdata num has a common point on Eadj1 or Eadj2
789 //=======================================================================
791 static void CpOnEdge (const Handle(ChFiDS_Stripe) & stripe,
792 Standard_Integer num,
793 Standard_Boolean isfirst,
794 const TopoDS_Edge & Eadj1,
795 const TopoDS_Edge & Eadj2,
796 Standard_Boolean & compoint)
798 { ChFiDS_CommonPoint cp1,cp2;
799 compoint=Standard_False;
800 cp1 = stripe->SetOfSurfData()->Value(num)->ChangeVertex (isfirst,1);
801 cp2 = stripe->SetOfSurfData()->Value(num)->ChangeVertex (isfirst,2);
803 if (cp1.Arc().IsSame(Eadj1)||cp1.Arc().IsSame(Eadj2))
804 compoint=Standard_True;
807 if (cp2.Arc().IsSame(Eadj1)||cp2.Arc().IsSame(Eadj2))
808 compoint=Standard_True;
812 //=======================================================================
813 //function : RemoveSurfData
814 //purpose : for each stripe removal of unused surfdatas
815 //=======================================================================
817 static void RemoveSurfData (const ChFiDS_StripeMap & myVDataMap,
818 const ChFiDS_Map & myEFMap,
819 const TopoDS_Edge &edgecouture,
820 const TopoDS_Face & facecouture,
821 const TopoDS_Vertex &V1)
822 { ChFiDS_ListIteratorOfListOfStripe It;
823 Standard_Boolean isfirst;
824 TopoDS_Edge Ecur,Eadj1,Eadj2;
825 TopoDS_Face Fg,Fd,F1,F2;
827 Standard_Integer nbsurf,nbedge,sense,num;
828 for (It.Initialize(myVDataMap(V1));It.More();It.Next()) {
829 nbsurf= It.Value()->SetOfSurfData()->Length();
830 nbedge = It.Value()->Spine()->NbEdges();
832 num=ChFi3d_IndexOfSurfData(V1,It.Value(),sense);
834 Ecur = It.Value()->Spine()->Edges(1);
836 Ecur = It.Value()->Spine()->Edges(nbedge);
837 ChFi3d_edge_common_faces(myEFMap(Ecur),F1,F2);
838 if (F1.IsSame(facecouture)) Eadj1=edgecouture;
839 else ChFi3d_cherche_element(V1,Ecur,F1,Eadj1,Vbid);
840 ChFi3d_edge_common_faces(myEFMap(Eadj1),Fg,Fd);
841 if (F2.IsSame(facecouture)) Eadj2=edgecouture;
842 else ChFi3d_cherche_element(V1,Ecur,F2,Eadj2,Vbid);
843 ChFi3d_edge_common_faces(myEFMap(Eadj2),Fg,Fd);
844 Standard_Boolean compoint=Standard_False;
846 Standard_Integer ind;
849 // among surfdatas find the greatest indice ind so that
850 // surfdata could have one of commonpoint on Eadj1 and Eadj2
851 // remove surfdata from 1 to ind-1
852 for (Standard_Integer i=1;i<=nbsurf;i++) {
853 CpOnEdge (It.Value(),i,isfirst,Eadj1,Eadj2,compoint);
856 if (ind>=2) RemoveSD(It.Value(),1,ind-1);
860 // among surfdatas find the smallest indice ind so that
861 // surfdata could have one of commonpoint on Eadj1 and Eadj2
862 // remove surfdata from ind+1 to num
863 for (Standard_Integer i=num;i>=1;i--) {
864 CpOnEdge (It.Value(),i,isfirst,Eadj1,Eadj2,compoint);
867 if (ind<num) RemoveSD(It.Value(),ind+1,num);
873 //=======================================================================
874 //function : ParametrePlate
876 //=======================================================================
878 static void ParametrePlate(const Standard_Integer n3d,
879 const GeomPlate_BuildPlateSurface & PSurf,
880 const Handle(Geom_Surface) & Surf,
881 const gp_Pnt & point,
882 const Standard_Real apperror,
884 { Standard_Integer ip;
887 Standard_Boolean trouve=Standard_False;
888 for (ip=1;ip<=n3d && !trouve;ip++){
889 par=PSurf.Curves2d()->Value(ip)->FirstParameter();
890 PSurf.Curves2d()->Value(ip)->D0(par,uv);
891 Surf->D0(uv.X(),uv.Y(),P1);
892 trouve=P1.IsEqual(point,apperror);
894 par=PSurf.Curves2d()->Value(ip)->LastParameter();
895 PSurf.Curves2d()->Value(ip)->D0(par,uv);
896 Surf->D0(uv.X(),uv.Y(),P1);
897 trouve=P1.IsEqual(point,apperror);
902 //=======================================================================
903 //function : SummarizeNormal
905 //=======================================================================
907 static void SummarizeNormal(const TopoDS_Vertex& V1,
908 const TopoDS_Face& Fcur,
909 const TopoDS_Edge& Ecur,
910 gp_Vec& SumFaceNormalAtV1)
913 BRep_Tool::UVPoints(Ecur,Fcur,uv1,uv2);
914 if ( ! V1.IsSame(TopExp::FirstVertex(Ecur))) uv1 = uv2;
918 BRep_Tool::Surface(Fcur)->D1( uv1.X(), uv1.Y(), P, d1U, d1V);
919 gp_Vec N = d1U.Crossed(d1V);
920 if (Fcur.Orientation() == TopAbs_REVERSED) N.Reverse();
922 if (N.SquareMagnitude() <= Precision::PConfusion()) return;
924 SumFaceNormalAtV1 += N.Normalized();
925 SumFaceNormalAtV1.Normalize();
928 enum ChFi3d_SurfType { ChFiSURFACE, FACE1, FACE2 }; // for call SurfIndex(...)
930 //=======================================================================
931 //function : SurfIndex
933 //=======================================================================
935 static Standard_Integer SurfIndex(const ChFiDS_StripeArray1& StripeArray1,
936 const Standard_Integer StripeIndex,
937 const Standard_Integer SurfDataIndex,
938 const ChFi3d_SurfType SurfType)
940 const Handle(ChFiDS_SurfData)& aSurfData =
941 StripeArray1(StripeIndex)->SetOfSurfData()->Value(SurfDataIndex);
943 case ChFiSURFACE: return aSurfData->Surf();
944 case FACE1: return aSurfData->IndexOfS1();
945 case FACE2: return aSurfData->IndexOfS2();
950 //=======================================================================
951 //function : PlateOrientation
952 //purpose : Define Plate orientation compared to <theRefDir> previewing
953 // that Plate surface can have a sharp angle with adjacent
954 // filet (bug occ266: 2 chamfs, OnSame and OnDiff) and
955 // can be even twisted (grid tests cfi900 B1)
956 //=======================================================================
958 static TopAbs_Orientation PlateOrientation(const Handle(Geom_Surface)& thePlateSurf,
959 const Handle(TColGeom2d_HArray1OfCurve)& thePCArr,
960 const gp_Vec& theRefDir)
965 Standard_Real fpar, lpar;
966 Standard_Real SumScal1 = 0, SumScal2 = 0;
968 Standard_Integer i, nb = thePCArr->Upper();
969 Handle(Geom2d_Curve) aPC = thePCArr->Value(nb);
970 fpar = aPC->FirstParameter();
971 lpar = aPC->LastParameter();
972 aPC->D0( (fpar + lpar) / 2., uv);
973 thePlateSurf-> D0(uv.X(),uv.Y(),pp1);
975 thePlateSurf-> D0(uv.X(),uv.Y(),pp2);
977 for (i=1; i<=nb; i++) {
978 aPC = thePCArr->Value(i);
979 fpar = aPC->FirstParameter();
980 lpar = aPC->LastParameter();
982 thePlateSurf -> D1(uv.X(),uv.Y(),pp2,du,dv);
986 aPC->D0( (fpar + lpar) / 2., uv);
987 thePlateSurf-> D0(uv.X(),uv.Y(),pp3);
989 gp_Vec vv1(pp2,pp1), vv2(pp2,pp3);
994 SumScal2 += n2*theRefDir;
998 if (SumScal2*SumScal1>0) return TopAbs_FORWARD;
999 else return TopAbs_REVERSED;
1002 //=======================================================================
1003 //function : PerformMoreThreeCorner
1004 //purpose : Process case of a top with n edges.
1005 //=======================================================================
1007 void ChFi3d_Builder::PerformMoreThreeCorner(const Standard_Integer Jndex,
1008 const Standard_Integer nconges)
1010 // ========================================
1012 // ========================================
1016 TopOpeBRepDS_DataStructure& DStr=myDS->ChangeDS();
1017 const TopoDS_Vertex& V1 = myVDataMap.FindKey(Jndex);
1018 Standard_Integer nedge;
1019 Standard_Boolean bordlibre;
1020 TopoDS_Edge edgelibre1,edgelibre2;
1021 // TopTools_ListIteratorOfListOfShape ItE;
1022 nedge=ChFi3d_NbNotDegeneratedEdges(V1,myVEMap);
1023 ChFi3d_ChercheBordsLibres(myVEMap,V1,bordlibre,edgelibre1,edgelibre2);
1024 Standard_Boolean droit=Standard_False;
1025 if (bordlibre) {nedge=(nedge-2)/2 +2;
1026 Standard_Real angedg=Abs(ChFi3d_AngleEdge(V1,edgelibre1,edgelibre2));
1027 droit=Abs(angedg-M_PI)<0.01;
1030 Standard_Integer size=nedge*2;
1031 ChFiDS_StripeArray1 CD(0,size);
1032 TColStd_Array1OfInteger jf(0,size);
1033 TColStd_Array1OfInteger Index(0,size);
1034 TColStd_Array1OfInteger Indice(0,size);
1035 TColStd_Array1OfInteger sens(0,size);
1036 TColStd_Array1OfInteger indcurve3d(0,size);
1037 TColStd_Array2OfInteger numfa( 0,size,0,size);
1038 TColStd_Array1OfInteger Order( 0,size);
1039 TColStd_Array2OfInteger i(0,size,0,size);
1040 TColStd_Array2OfInteger indpoint(0,size,0,1);
1041 TColStd_Array1OfBoolean oksea(0,size);
1042 TColStd_Array1OfBoolean sharp(0,size);
1043 TColStd_Array1OfBoolean regul(0,size);
1044 TColStd_Array2OfReal p (0,size,0,size);
1045 TColStd_Array1OfReal errapp (0,size);
1046 TopTools_Array1OfShape Evive(0,size);
1047 TopTools_Array2OfShape Fvive(0,size,0,size);
1048 TColStd_Array1OfBoolean ponctuel (0,size);
1049 TColStd_Array1OfBoolean samedge (0,size);
1050 TColStd_Array1OfBoolean moresurf (0,size);
1051 TColStd_Array1OfBoolean libre(0,size);
1052 TColStd_Array1OfBoolean tangentregul (0,size);
1053 TColStd_Array1OfBoolean isG1(0,size);
1054 // for(Standard_Integer ind=0;ind<=size;ind++){
1055 Standard_Integer ind;
1056 for(ind=0;ind<=size;ind++){
1057 indpoint.SetValue(ind,0,0);
1058 indpoint.SetValue(ind,1,0);
1059 Indice.SetValue(ind,0);
1060 oksea.SetValue(ind,Standard_False);
1061 sharp.SetValue(ind,Standard_False);
1062 regul.SetValue(ind,Standard_False);
1063 ponctuel.SetValue(ind,Standard_False);
1064 samedge.SetValue(ind,Standard_False);
1065 moresurf.SetValue(ind,Standard_False);
1066 libre.SetValue(ind,Standard_False);
1067 tangentregul.SetValue(ind,Standard_False);
1068 isG1.SetValue(ind,Standard_False);
1070 ChFiDS_ListIteratorOfListOfStripe It;
1071 Handle(ChFiDS_Stripe) cd2,cdbid,cnext;
1073 Standard_Integer jfp = 0,ii;
1074 Standard_Integer ic,icplus,icmoins,icplus2,
1075 sense,index = 0,indice,isurf1,isurf2;
1076 Standard_Integer cbplus=0, n3d=0,IVtx = 0,nb;
1077 Standard_Boolean sameside,trouve,isfirst;
1078 Standard_Real pardeb ,parfin,xdir,ydir;
1079 Standard_Real tolapp=1.e-4,maxapp = 0.,maxapp1 = 0.,avedev;
1080 Handle (TopOpeBRepDS_CurvePointInterference) Interfp1, Interfp2;
1081 Handle (TopOpeBRepDS_SurfaceCurveInterference) Interfc;
1082 Handle(Geom_Curve) Curv3d;
1083 ChFiDS_Regul regular;
1084 TopTools_SequenceOfShape Fproj;
1085 Standard_Integer num;
1087 TopTools_ListIteratorOfListOfShape ItF;
1089 // Standard_Integer nface=ChFi3d_nbface(myVFMap(V1));
1092 gp_Vec SumFaceNormalAtV1(0,0,0); // is used to define Plate orientation
1094 // it is determined if there is a sewing edge
1095 Standard_Boolean couture=Standard_False;
1096 TopoDS_Face facecouture;
1097 TopoDS_Edge edgecouture;
1098 for(ItF.Initialize(myVFMap(V1));ItF.More()&&!couture;ItF.Next()) {
1099 TopoDS_Face fcur = TopoDS::Face(ItF.Value());
1100 ChFi3d_CoutureOnVertex(fcur,V1,couture,edgecouture);
1105 // unused surfdata are removed
1106 RemoveSurfData (myVDataMap, myEFMap,edgecouture,facecouture,V1);
1108 // parse edges and faces
1109 trouve=Standard_False;
1112 TopoDS_Face Fcur,Fnext;
1113 for (It.Initialize(myVDataMap(Jndex));It.More()&&!trouve;It.Next()) {
1115 CD.SetValue(0,cnext);
1116 Index.SetValue(0,ChFi3d_IndexOfSurfData(V1,cnext,sense));
1117 sens.SetValue(0,sense);
1118 numfa.SetValue(0 ,1,SurfIndex(CD, 0, Index.Value(0), FACE2));
1119 numfa.SetValue(1 ,0, numfa.Value(0 ,1));
1120 Fcur=TopoDS::Face(DStr.Shape(numfa.Value(0,1)));
1121 Fvive.SetValue(0,1,Fcur);
1122 Fvive.SetValue(1,0,Fcur);
1124 if (sens.Value(0)==1)
1125 Ecur = CD.Value(0)->Spine()->Edges(1);
1127 Ecur = CD.Value(0)->Spine()->Edges(CD.Value(0)->Spine()->NbEdges());
1128 Evive.SetValue(0,Ecur);
1129 ChFi3d_cherche_edge(V1,Evive,Fcur,Enext,VV);
1130 trouve= !Enext.IsNull();
1132 // find sum of all face normals at V1
1133 SummarizeNormal(V1, Fcur, Ecur, SumFaceNormalAtV1);
1135 Standard_Integer nbcouture=0;
1136 for ( ii=1; ii<nedge; ii++) {
1137 if (Fcur.IsSame(facecouture)&& nbcouture==0) {
1141 else ChFi3d_cherche_edge(V1,Evive,Fcur,Enext,VV);
1142 if (Enext.IsNull())throw Standard_Failure("PerformMoreThreeCorner: pb in the parsing of edges and faces");
1143 if (Enext.IsSame(edgelibre1)|| Enext.IsSame(edgelibre2)) {
1144 CD.SetValue(ii, cdbid);
1145 Index.SetValue(ii, 0);
1146 sens.SetValue(ii, -1);
1148 Vref = TopExp::FirstVertex(Enext);
1149 if (Vref.IsSame(V1)) sens.SetValue(ii, 1);
1150 sharp.SetValue(ii, Standard_True);
1151 Evive.SetValue(ii, Enext);
1153 Indices(nedge,ii,icplus,icmoins);
1154 Fvive.SetValue(ii,icplus, Fcur);
1155 Fvive.SetValue(icplus,ii, Fcur);
1156 numfa.SetValue(ii,icplus, DStr.AddShape(Fcur));
1157 numfa.SetValue(icplus,ii,numfa.Value(ii,icplus));
1159 if (Enext.IsSame (edgelibre1)) Ecur=edgelibre2;
1160 else Ecur=edgelibre1;
1161 ChFi3d_edge_common_faces(myEFMap(Ecur),Fcur,Fcur);
1162 Indices(nedge,ii,icplus,icmoins);
1163 Fvive.SetValue(ii,icplus, Fcur);
1164 Fvive.SetValue(icplus,ii, Fcur);
1165 numfa.SetValue(ii,icplus, DStr.AddShape(Fcur));
1166 numfa.SetValue(icplus,ii,numfa.Value(ii,icplus));
1167 CD.SetValue(ii, cdbid);
1168 Index.SetValue(ii, 0);
1169 sens.SetValue(ii, -1);
1170 Vref = TopExp::FirstVertex(Ecur);
1171 if (Vref.IsSame(V1)) sens.SetValue(ii, 1);
1172 sharp.SetValue(ii, Standard_True);
1173 Evive.SetValue(ii, Ecur);
1177 // it is found if Enext is in the map of stripes
1179 /*Standard_Boolean */trouve = Standard_False;
1180 for (It.Initialize(myVDataMap(Jndex));It.More()&&!trouve;It.Next()) {
1181 index = ChFi3d_IndexOfSurfData(V1,It.Value(),sense);
1183 EE = It.Value()->Spine()->Edges(1);
1185 EE = It.Value()->Spine()->Edges(It.Value()->Spine()->NbEdges());
1186 if (Enext.IsSame(EE)) {
1188 trouve=Standard_True;
1192 CD.SetValue(ii, cnext);
1193 Index.SetValue(ii, index);
1194 sens.SetValue(ii, sense);
1195 sharp.SetValue(ii, Standard_False);
1196 Evive.SetValue(ii, Enext);
1200 CD.SetValue(ii, cdbid);
1201 Index.SetValue(ii, 0);
1202 sens.SetValue(ii, -1);
1204 Vref = TopExp::FirstVertex(Enext);
1205 if (Vref.IsSame(V1)) sens.SetValue(ii, 1);
1206 sharp.SetValue(ii, Standard_True);
1207 Evive.SetValue(ii, Enext);
1210 // Face Fnext!=Fcur containing Enext
1212 ChFi3d_cherche_face1(myEFMap(Enext),Fcur,Fnext);
1213 Indices(nedge,ii,icplus,icmoins);
1214 Fvive.SetValue(ii,icplus, Fnext);
1215 Fvive.SetValue(icplus,ii, Fnext);
1216 numfa.SetValue(ii,icplus, DStr.AddShape(Fnext));
1217 numfa.SetValue(icplus,ii,numfa.Value(ii,icplus));
1218 Standard_Integer numface1,numface2;
1220 // it is checked if numfa corresponds to IndexOfS1 or IndexOfS2
1221 // jf is updated is consequently updated
1222 // if it is not the case among the previous faces are found
1223 // those which correspond to IndexOfs1 IndexOfS2 and
1224 // numfa and Fvive are reupdated (cts16288)
1225 numface2 = SurfIndex(CD, ii, Index.Value(ii), FACE2);
1226 if (numface2==numfa.Value(ii,icplus))
1229 numface1 = SurfIndex(CD, ii, Index.Value(ii), FACE1);
1230 if (numface1==numfa.Value(ii,icplus))
1233 if (numface1==numfa.Value(icmoins,ii)) {
1235 Fvive.SetValue(ii,icplus,TopoDS::Face(DStr.Shape(numface2)));
1236 Fvive.SetValue(icplus,ii,TopoDS::Face(DStr.Shape(numface2)));
1237 numfa.SetValue(ii,icplus, DStr.AddShape(TopoDS::Face(DStr.Shape(numface2))));
1238 numfa.SetValue(icplus,ii, numfa.Value (ii,icplus));
1240 if (numface2==numfa.Value(icmoins,ii)) {
1242 Fvive.SetValue(ii,icplus,TopoDS::Face(DStr.Shape(numface1)));
1243 Fvive.SetValue(icplus,ii,TopoDS::Face(DStr.Shape(numface1)));
1244 numfa.SetValue(ii,icplus, DStr.AddShape(TopoDS::Face(DStr.Shape(numface1))));
1245 numfa.SetValue(icplus,ii, numfa.Value (ii,icplus));
1252 // find sum of all face normales at V1
1253 SummarizeNormal(V1, Fcur, Ecur, SumFaceNormalAtV1);
1256 // mise a jour du tableau regul
1257 for (ic=0;ic<nedge;ic++) {
1258 if (sharp.Value(ic)) {
1259 Ecur=TopoDS::Edge(Evive.Value(ic));
1260 if (!Ecur.IsSame(edgecouture)) {
1261 ChFi3d_edge_common_faces(myEFMap(Ecur),F1,F2);
1262 // Modified by Sergey KHROMOV - Fri Dec 21 18:11:02 2001 Begin
1263 // regul.SetValue(ic,BRep_Tool::Continuity(TopoDS::Edge(Evive.Value(ic)),F1,F2)
1265 regul.SetValue(ic, ChFi3d::IsTangentFaces(TopoDS::Edge(Evive.Value(ic)),F1,F2));
1266 // Modified by Sergey KHROMOV - Fri Dec 21 18:11:07 2001 End
1270 // it is checked if a regular edge is not tangent to another edge
1271 // in case if it is not considered regular (cts60072)
1272 for (ic=0;ic<nedge;ic++) {
1273 if (regul.Value(ic) ) {
1274 trouve=Standard_False;
1275 TopoDS_Edge ereg=TopoDS::Edge(Evive.Value(ic));
1276 for( ind=0;ind<nedge &&!trouve;ind++) {
1278 TopoDS_Edge ecur=TopoDS::Edge(Evive.Value(ind));
1279 Standard_Real ang=Abs(ChFi3d_AngleEdge(V1,ecur,ereg));
1280 if (ang<0.01 || Abs(ang-M_PI) <0.01) {
1281 regul.SetValue(ic,Standard_False);
1282 tangentregul.SetValue(ic,Standard_True);
1283 trouve=Standard_True;
1290 // variable deuxconges allows detecting cases when there is a top with
1291 // n edges and two fillets on two tangent edges that are not free borders
1292 // the connecting curves start from the fillet and end on top
1294 Standard_Boolean deuxconges,deuxcgnontg;
1295 deuxconges=Standard_False;
1296 trouve=Standard_False;
1299 for (ic=0;ic<nedge&&!trouve;ic++) {
1300 Indices(nedge,ic,icplus,icmoins);
1301 if (!sharp.Value(ic) && !sharp.Value(icplus)){
1302 E1=TopoDS::Edge(Evive.Value(ic));
1303 E2=TopoDS::Edge(Evive.Value(icplus));
1304 deuxconges=(Abs(ChFi3d_AngleEdge(V1 ,E1,E2) )<0.01) ;
1310 // variable deuxconges is used in the special case when there are
1311 // two fillets and if two other living edges are tangent (cts60072)
1312 if (nconges==2 && nedge==4) {
1314 for (ic=0;ic<nedge&&!deuxconges;ic++) {
1315 Indices(nedge,ic,icplus,icmoins);
1316 if (sharp.Value(ic) && sharp.Value(icplus)){
1317 E1=TopoDS::Edge(Evive.Value(ic));
1318 E2=TopoDS::Edge(Evive.Value(icplus));
1319 if ( !E1.IsSame(edgelibre1) && !E1.IsSame(edgelibre2) &&
1320 !E2.IsSame(edgelibre1) && !E2.IsSame(edgelibre2)){
1321 Standard_Real ang=Abs(ChFi3d_AngleEdge(V1 ,E1,E2));
1322 deuxconges=(ang<0.01 || Abs(ang-M_PI)<0.01);
1328 deuxcgnontg=nconges==2&& nedge==3 && !deuxconges; // pro12305
1331 for (ic=0;ic<nedge;ic++){
1332 regul.SetValue(ic,Standard_False);
1335 // Detect case of 3 edges & 2 conges: OnSame + OnDiff
1336 // (eap, Arp 9 2002, occ266)
1337 Standard_Boolean isOnSameDiff = Standard_False;
1339 Standard_Boolean isOnSame = Standard_False, isOnDiff = Standard_False;
1340 for (ic=0; ic<nedge; ic++) {
1341 if (sharp.Value(ic)) continue;
1343 if ( sens(ic) == 1 )
1344 stat = CD.Value(ic)->Spine()->FirstStatus();
1346 stat = CD.Value(ic)->Spine()->LastStatus();
1348 if (stat == ChFiDS_OnSame) isOnSame = Standard_True;
1349 else if (stat == ChFiDS_OnDiff) isOnDiff = Standard_True;
1351 isOnSameDiff = isOnSame && isOnDiff;
1353 if ( isOnSameDiff ) {
1355 std::cout << "OnSame + OnDiff, PerformMoreThreeCorner() calls PerformOneCorner()" << std::endl;
1357 PerformOneCorner (Jndex, Standard_True);
1360 // if the commonpoint is on an edge that does not have a
1361 // vertex at the extremity, Evive is found anew
1362 // Fvive is found anew if it does not correspond
1363 // to two faces adjacent to Evive (cts16288)
1365 if (!deuxconges && !isOnSameDiff)
1366 for (ic=0;ic<nedge;ic++) {
1367 if (sharp.Value(ic)) {
1368 Indices(nedge,ic,icplus,icmoins);
1369 TopoDS_Edge Arc=TopoDS::Edge(Evive.Value(ic));
1370 ChFiDS_CommonPoint cp1, cp2;
1371 Standard_Real angedg=M_PI;
1373 if (!sharp.Value(icplus)) {
1374 isfirst=(sens.Value(icplus)==1);
1375 jfp = 3 - jf.Value(icplus);
1376 cp1 = CD.Value(icplus)->SetOfSurfData()->Value(Index.Value(icplus))->
1377 ChangeVertex (isfirst,jfp);
1379 ChFi3d_cherche_vertex(Arc,cp1.Arc(),Vcom,trouve);
1380 if (trouve) angedg=Abs(ChFi3d_AngleEdge(Vcom,Arc,cp1.Arc()));
1381 if (!cp1.Arc().IsSame(Arc) && Abs(angedg-M_PI)<0.01){
1382 Evive.SetValue(ic,cp1.Arc());
1383 ChFi3d_edge_common_faces(myEFMap(cp1.Arc()),F1,F2);
1384 if (!Fvive.Value(ic,icplus).IsSame(F1) && !Fvive.Value(ic,icplus).IsSame(F2)) {
1385 if (Fvive.Value(ic,icmoins).IsSame(F2)) {
1386 Fvive.SetValue(ic,icplus,F1);
1387 Fvive.SetValue(icplus,ic,F1);
1388 numfa.SetValue(ic,icplus,DStr.AddShape(F1));
1389 numfa.SetValue(icplus,ic,DStr.AddShape(F1));
1392 Fvive.SetValue(ic,icplus,F2);
1393 Fvive.SetValue(icplus,ic,F2);
1394 numfa.SetValue(ic,icplus,DStr.AddShape(F2));
1395 numfa.SetValue(icplus,ic,DStr.AddShape(F2));
1398 samedge.SetValue(ic,Standard_True);
1399 p.SetValue(ic,icplus,cp1.ParameterOnArc());
1400 p.SetValue(ic,icmoins,cp1.ParameterOnArc());
1401 i.SetValue(ic,icplus,1);
1405 if (!sharp.Value(icmoins)) {
1406 isfirst=(sens.Value(icmoins)==1);
1407 cp2 = CD.Value(icmoins)->SetOfSurfData()->Value(Index.Value(icmoins))->
1408 ChangeVertex (isfirst,jf.Value(icmoins));
1409 if (cp2.IsOnArc()) {
1411 ChFi3d_cherche_vertex(Arc,cp2.Arc(),Vcom,trouve);
1412 if (trouve) angedg=Abs(ChFi3d_AngleEdge(Vcom,Arc,cp2.Arc()));
1413 if (!cp2.Arc().IsSame(Arc)&&Abs(angedg-M_PI)<0.01) {
1414 Evive.SetValue(ic,cp2.Arc());
1415 ChFi3d_edge_common_faces(myEFMap(cp2.Arc()),F1,F2);
1416 if (!Fvive.Value(ic,icmoins).IsSame(F1) && !Fvive.Value(ic,icmoins).IsSame(F2)) {
1417 if (Fvive.Value(ic,icplus).IsSame(F2)) {
1418 Fvive.SetValue(ic,icmoins,F1);
1419 numfa.SetValue(ic,icmoins,DStr.AddShape(F1));
1420 Fvive.SetValue(icmoins,ic,F1);
1421 numfa.SetValue(icmoins,ic,DStr.AddShape(F1));
1424 Fvive.SetValue(ic,icmoins,F2);
1425 numfa.SetValue(ic,icmoins,DStr.AddShape(F2));
1426 Fvive.SetValue(icmoins,ic,F2);
1427 numfa.SetValue(icmoins,ic,DStr.AddShape(F2));
1430 samedge.SetValue(ic,Standard_True);
1431 p.SetValue(ic,icmoins,cp2.ParameterOnArc());
1432 p.SetValue(ic,icplus,cp2.ParameterOnArc());
1433 i.SetValue(ic,icmoins,1);
1440 // the first free edge is restored if it exists
1441 trouve=Standard_False;
1442 for (ic=0; ic<nedge&&!trouve;ic++) {
1444 ecom=TopoDS::Edge(Evive.Value(ic));
1445 if (ecom.IsSame(edgelibre1)||ecom.IsSame(edgelibre2)){
1446 libre.SetValue(ic,Standard_True);
1447 trouve=Standard_True;
1451 // determine the minimum recoil distance that can't be exceeded
1452 Standard_Boolean distmini=Standard_False;
1453 gp_Pnt som=BRep_Tool::Pnt(V1),pic;
1455 TopoDS_Edge edgemin;
1457 Standard_Real dst,distmin;
1459 for (ic=0;ic<nedge;ic++) {
1460 if (sharp.Value(ic))
1461 edgemin=TopoDS::Edge(Evive.Value(ic));
1463 if (sens.Value(ic)==1)
1464 edgemin= CD.Value(ic)->Spine()->Edges(1);
1466 edgemin = CD.Value(ic)->Spine()->Edges(CD.Value(ic)->Spine()->NbEdges());
1468 V=TopExp::FirstVertex(edgemin);
1469 V2=TopExp::LastVertex(edgemin);
1470 dst=(BRep_Tool::Pnt(V)).Distance(BRep_Tool::Pnt(V2))/1.5;
1471 if (dst<distmin) distmin=dst;
1474 // calculate intersections between stripes and determine the parameters on each pcurve
1475 Standard_Boolean inters=Standard_True;
1476 for (ic=0;ic<nedge;ic++) {
1477 Indices(nedge,ic,icplus,icmoins);
1478 if (sharp.Value(ic)||sharp.Value(icplus)) {
1479 oksea.SetValue(ic, Standard_False);
1482 Standard_Integer jf1 = 0;
1483 Standard_Integer i1 = 0,i2 = 0;
1484 Standard_Real pa1 = 0.,pa2;
1485 Standard_Boolean ok;
1486 Handle(ChFiDS_Stripe) strip;
1487 Standard_Real angedg;
1488 Standard_Integer iface;
1489 // if two edges are tangent the intersection is not attempted (cts60046)
1490 angedg=Abs(ChFi3d_AngleEdge(V1,TopoDS::Edge(Evive.Value(ic)),TopoDS::Edge(Evive.Value(icplus))));
1491 if (Abs(angedg-M_PI)>0.01)
1492 ok = ChFi3d_SearchFD(DStr,CD.Value(ic),CD.Value(icplus),sens.Value(ic),sens.Value(icplus),
1494 Index.Value(ic),Index.Value(icplus),
1495 face,sameside,jf1,jfp);
1496 else ok=Standard_False;
1497 // if there is an intersection it is checked if surfdata with the intersection
1498 // corresponds to the first or the last
1499 // if this is not the case, the surfdata are removed from SD
1502 if (i1!=Index.Value(ic) ){
1503 Standard_Integer ideb,ifin;
1505 if (sens.Value(ic)==1) {
1506 ideb=Index.Value(ic);
1510 ifin=Index.Value(ic);
1513 if (i1<Index.Value(ic)) {
1514 for (nb=Index.Value(ic);nb>=i1;nb--) {
1516 iface=SurfIndex(CD, ic, nb , FACE1);
1517 else iface=SurfIndex(CD, ic, nb , FACE2);
1518 Fproj.Append(TopoDS::Face(myDS->Shape(iface)));
1521 if (i1>Index.Value(ic)) {
1522 for (nb=Index.Value(ic);nb<=i1;nb++) {
1524 iface=SurfIndex(CD, ic, nb , FACE1);
1525 else iface=SurfIndex(CD, ic, nb , FACE2);
1526 Fproj.Append(TopoDS::Face(myDS->Shape(iface)));
1530 RemoveSD(strip,ideb,ifin);
1531 num=ChFi3d_IndexOfSurfData(V1,CD.Value(ic),sense);
1532 Index.SetValue(ic,num);
1535 if (i2!=Index.Value(icplus) ){
1536 Standard_Integer ideb,ifin;
1537 strip=CD.Value(icplus);
1538 if (sens.Value(icplus)==1) {
1539 ideb=Index.Value(icplus);
1543 ifin=Index.Value(icplus);
1547 if (i2<Index.Value(icplus)) {
1548 for (nb=i2;nb<=Index.Value(icplus);nb++) {
1550 iface=SurfIndex(CD, icplus, nb , FACE1);
1551 else iface=SurfIndex(CD, icplus, nb , FACE2);
1552 Fproj.Append(TopoDS::Face(myDS->Shape(iface)));
1555 if (i2>Index.Value(icplus)) {
1556 for (nb=i2;nb>=Index.Value(icplus);nb--) {
1558 iface=SurfIndex(CD, icplus, nb , FACE1);
1559 else iface=SurfIndex(CD, icplus, nb , FACE2);
1560 Fproj.Append(TopoDS::Face(myDS->Shape(iface)));
1563 RemoveSD(strip,ideb,ifin);
1564 num=ChFi3d_IndexOfSurfData(V1,CD.Value(icplus),sense);
1565 Index.SetValue(icplus,num);
1568 Calcul_P2dOnSurf(CD.Value(ic),jf1,i1,pa1,p2);
1569 indice=SurfIndex(CD, ic, i1, ChFiSURFACE);
1570 DStr.Surface(indice).Surface()->D0(p2.X(),p2.Y(),pic);
1571 if (pic.Distance(som)>distmin) distmini =Standard_True;
1572 jf.SetValue(ic,jf1);
1573 i.SetValue(ic,icplus,i1);
1574 i.SetValue(icplus,ic,i2);
1575 p.SetValue(ic,icplus,pa1);
1576 p.SetValue(icplus,ic,pa2);
1578 oksea.SetValue(ic, ok);
1580 if (!oksea.Value(ic) ) inters=Standard_False;
1583 // case if there are only intersections
1584 // the parametres on Pcurves are the extremities of the stripe
1587 for (ic=0;ic<nedge;ic++) {
1588 Indices(nedge,ic,icplus,icmoins);
1589 Indices(nedge,icplus,icplus2,ic);
1590 if (!oksea.Value(ic)) {
1592 if (sharp.Value(ic)) {
1593 if (!samedge.Value(ic)){
1594 para=BRep_Tool::Parameter(V1,TopoDS::Edge(Evive.Value(ic)));
1595 p.SetValue(ic,icplus,para);
1596 i.SetValue(ic,icplus,1);
1600 isfirst= (sens.Value(ic)==1);
1601 i.SetValue(ic,icplus,ChFi3d_IndexOfSurfData(V1,CD.Value(ic),sense));
1602 if (oksea.Value(icmoins)) {
1603 para=p.Value(ic,icmoins);
1604 p.SetValue(ic,icplus,para);
1607 Calcul_Param(CD.Value(ic),jf.Value(ic),i.Value(ic,icplus),isfirst,para);
1608 p.SetValue(ic,icplus,para);
1611 if (sharp.Value(icplus)) {
1612 if (!samedge.Value(icplus)) {
1613 para=BRep_Tool::Parameter(V1,TopoDS::Edge(Evive.Value(icplus)));
1614 p.SetValue(icplus,ic, para);
1615 i.SetValue(icplus,ic,1);
1619 isfirst= (sens.Value(icplus)==1);
1620 i.SetValue(icplus,ic,ChFi3d_IndexOfSurfData(V1,CD.Value(icplus),sense));
1621 if (oksea.Value(icplus)){
1622 para=p.Value(icplus,icplus2);
1623 p.SetValue(icplus,ic,para);
1626 jfp = 3 - jf.Value(icplus);
1627 Calcul_Param(CD.Value(icplus),jfp,i.Value(icplus,ic),isfirst,para);
1628 p.SetValue(icplus,ic,para);
1634 // calculate max distance to the top at each point
1635 TColStd_Array1OfReal dist1(0,size);
1636 TColStd_Array1OfReal dist2(0,size);
1637 Standard_Real distance=0.;
1638 gp_Pnt sommet=BRep_Tool::Pnt(V1);
1640 for (ic=0;ic<nedge;ic++) {
1641 Indices(nedge,ic,icplus,icmoins);
1642 if (sharp.Value(ic)) {
1643 dist1.SetValue(ic, 0);
1644 dist2.SetValue(ic, 0);
1647 jfp = 3 - jf.Value(ic);
1648 Calcul_P2dOnSurf(CD.Value(ic),jfp,i.Value(ic,icmoins),p.Value(ic,icmoins),p2);
1649 indice=SurfIndex(CD, ic, i.Value(ic,icmoins), ChFiSURFACE);
1650 DStr.Surface(indice).Surface()->D0(p2.X(),p2.Y(),pic);
1651 dist1.SetValue(ic, sommet.Distance(pic));
1652 if (dist1.Value(ic) > distance ) distance= dist1.Value(ic);
1654 Calcul_P2dOnSurf(CD.Value(ic),jf.Value(ic),i.Value(ic,icplus),p.Value(ic,icplus),p2);
1655 indice=SurfIndex(CD, ic, i.Value(ic,icplus), ChFiSURFACE);
1656 DStr.Surface(indice).Surface()->D0(p2.X(),p2.Y(),pic);
1657 dist2.SetValue(ic, sommet.Distance(pic));
1658 if( dist2.Value(ic) > distance )
1659 distance= dist2.Value(ic);
1663 // offset of parameters and removal of intersection points
1664 // too close to the top
1666 Standard_Real ec, dist;
1667 if (!deuxconges && !deuxcgnontg)
1668 for (ic=0;ic<nedge;ic++) {
1669 Indices(nedge,ic,icplus,icmoins);
1670 if (sharp.Value(ic) ) {
1671 BRepAdaptor_Curve C(TopoDS::Edge(Evive.Value(ic)));
1672 // to pass from 3D distance to a parametric distance
1673 if (!tangentregul(ic))
1674 ec = distance*100*C.Resolution(0.01);
1676 if (TopExp::FirstVertex(TopoDS::Edge(Evive.Value(ic))).IsSame(V1)) {
1677 para=p.Value(ic,icmoins) + ec;
1678 p.SetValue(ic,icmoins, para);
1681 para=p.Value(ic,icmoins) - ec;
1682 p.SetValue(ic,icmoins,para);
1684 // it is necessary to be on to remain on the edge
1685 p.SetValue(ic,icplus, p.Value(ic,icmoins));
1687 else if (!distmini) {
1688 dist = dist1.Value(ic);
1689 if ((!oksea.Value(icmoins))||(oksea.Value(icmoins)&&(distance>1.3*dist))) {
1691 if (oksea.Value(icmoins)) {
1692 oksea.SetValue(icmoins,Standard_False);
1693 inters=Standard_False;
1696 if (sens.Value(ic)==1) {
1697 para=p.Value(ic,icmoins) + ec;
1698 p.SetValue(ic,icmoins, para);
1701 para=p.Value(ic,icmoins) - ec;
1702 p.SetValue(ic,icmoins,para);
1705 dist = dist2.Value(ic);
1706 if ((!oksea.Value(ic))||(oksea.Value(ic)&&(distance>1.3*dist))) {
1707 if(oksea.Value(ic)) {
1708 oksea.SetValue(ic,Standard_False);
1709 inters=Standard_False;
1713 Standard_Real parold,parnew;
1714 parold=p.Value(ic,icplus);
1715 parnew=p.Value(ic,icmoins);
1716 if (sens.Value(ic)==1) {
1717 if (parnew> parold) p.SetValue(ic,icplus, p.Value(ic,icmoins));
1720 if (parnew<parold) p.SetValue(ic,icplus, p.Value(ic,icmoins));
1728 // it is attempted to limit the edge by a commonpoint
1731 Standard_Real tolcp=0;
1732 gp_Pnt PE, sommet=BRep_Tool::Pnt(V1);
1734 for (ic=0;ic<nedge;ic++) {
1735 if (sharp.Value(ic)) {
1736 Indices(nedge,ic,icplus,icmoins);
1737 BRepAdaptor_Curve C(TopoDS::Edge(Evive.Value(ic)));
1738 PE = C.Value(p.Value(ic,icplus));
1739 Standard_Real d1=0., d2=0., dS = PE.Distance(sommet);
1740 ChFiDS_CommonPoint cp1, cp2;
1741 if (!sharp.Value(icplus)) {
1742 isfirst=(sens.Value(icplus)==1);
1743 jfp = 3 - jf.Value(icplus);
1744 cp1 = CD.Value(icplus)->SetOfSurfData()->Value(i.Value(icplus,ic))->
1745 ChangeVertex (isfirst,jfp);
1746 d1 = cp1.Point().Distance(sommet);
1748 if (!sharp.Value(icmoins)) {
1749 isfirst=(sens.Value(icmoins)==1);
1750 cp2 = CD.Value(icmoins)->SetOfSurfData()->Value(i.Value(icmoins,ic))->
1751 ChangeVertex (isfirst,jf.Value(icmoins));
1752 d2 = cp2.Point().Distance(sommet);
1754 Standard_Boolean samecompoint=Standard_False;
1755 if (!sharp.Value(icmoins) && !sharp.Value(icplus))
1756 samecompoint=cp1.Point().Distance(cp2.Point())<tolapp;
1757 if ((dS<d1 || dS<d2)&& !samecompoint) {
1758 // step back till Common Points
1759 // without leaving the Edge ??
1760 if (d2<d1 &&cp1.IsOnArc() ) {
1762 p.SetValue(ic,icmoins, cp1.ParameterOnArc());
1763 p.SetValue(ic,icplus, p.Value(ic,icmoins));
1764 isfirst=(sens.Value(icplus)==1);
1765 jfp = 3 - jf.Value(icplus);
1766 Calcul_Param(CD.Value(icplus),jfp,i.Value(icplus,ic),isfirst,para);
1767 p.SetValue(icplus,ic,para);
1768 if (cp1.Tolerance()>tolcp &&cp1.Tolerance()<1 ) tolcp=cp1.Tolerance();
1770 else if( cp2.IsOnArc()){
1772 p.SetValue(ic,icmoins, cp2.ParameterOnArc());
1773 p.SetValue(ic,icplus, p.Value(ic,icmoins));
1774 isfirst=(sens.Value(icmoins)==1);
1775 Calcul_Param(CD.Value(icmoins),jf.Value(icmoins),i.Value(icmoins,ic),isfirst, para);
1776 p.SetValue(icmoins,ic,para);
1777 if (cp2.Tolerance()>tolcp&&cp2.Tolerance()<1) tolcp=cp2.Tolerance();
1781 // step back till Common Point only if it is very close
1782 if (!sharp.Value(icplus)) {
1783 if ((cp1.Point().Distance(PE)<cp1.Tolerance() ||
1784 samecompoint || nconges==1) && cp1.IsOnArc()) {
1785 // it is very close to cp1
1786 p.SetValue(ic,icmoins, cp1.ParameterOnArc());
1787 ponctuel.SetValue(ic,Standard_True);
1788 p.SetValue(ic,icplus, p.Value(ic,icmoins));
1789 isfirst=(sens.Value(icplus)==1);
1790 jfp = 3 - jf.Value(icplus);
1791 Calcul_Param(CD.Value(icplus),jfp,i.Value(icplus,ic),isfirst,para);
1792 p.SetValue(icplus,ic,para);
1793 if (cp1.Tolerance()>tolcp &&cp1.Tolerance()<1) tolcp=cp1.Tolerance();
1796 if (!sharp.Value(icmoins)){
1797 if ((cp2.Point().Distance(PE)<cp2.Tolerance() ||
1798 samecompoint || nconges==1) && cp2.IsOnArc()) {
1799 // it is very close to cp2
1800 ponctuel.SetValue(icmoins,Standard_True);
1801 p.SetValue(ic,icmoins, cp2.ParameterOnArc());
1802 p.SetValue(ic,icplus,p.Value(ic,icmoins));
1803 isfirst=(sens.Value(icmoins)==1);
1804 Calcul_Param(CD.Value(icmoins),jf.Value(icmoins),i.Value(icmoins,ic),isfirst,para);
1805 p.SetValue(icmoins,ic,para);
1806 if (cp2.Tolerance()>tolcp&&cp2.Tolerance()<1 ) tolcp=cp2.Tolerance();
1813 // in case of a free border the parameter corresponding
1814 // to the common point on the free edge is chosen.
1816 for (ic=0;ic<nedge;ic++) {
1817 if (TopoDS::Edge(Evive.Value(ic)).IsSame(edgelibre1) ||
1818 TopoDS::Edge(Evive.Value(ic)).IsSame(edgelibre2)) {
1819 Standard_Integer indic;
1820 ChFiDS_CommonPoint CP1;
1821 Indices(nedge,ic,icplus,icmoins);
1822 if (libre.Value(ic))indic=icmoins;
1824 if (!sharp(indic)) {
1825 isfirst=sens.Value(indic)==1;
1826 CP1 = CD.Value(indic)->SetOfSurfData()->Value(Index.Value(indic))->ChangeVertex(isfirst,1);
1827 /*Standard_Boolean*/ trouve=Standard_False;
1828 if (CP1.IsOnArc()) {
1829 if(CP1.Arc().IsSame(TopoDS::Edge(Evive.Value(ic)))) {
1830 p.SetValue(ic,icmoins,CP1.ParameterOnArc());
1831 p.SetValue(ic,icplus,CP1.ParameterOnArc());
1832 trouve=Standard_True;
1836 CP1 = CD.Value(indic)->SetOfSurfData()->Value(Index.Value(indic))->ChangeVertex(isfirst,2);
1837 if (CP1.IsOnArc()) {
1838 if(CP1.Arc().IsSame(TopoDS::Edge(Evive.Value(ic)))) {
1839 p.SetValue(ic,icmoins,CP1.ParameterOnArc());
1840 p.SetValue(ic,icplus,CP1.ParameterOnArc());
1848 // if ic is a regular edge, one finds edge indfin which is not
1849 // a regular edge, and construtc a curve 3d
1850 // between edges (or stripes ) icmoins and indfin.
1851 // Then this courbe3d is projected on all faces (nbface) that
1852 // separate icmoins and indfin
1853 Standard_Integer nbface = 0;
1854 Standard_Real error = 0.;
1855 TColGeom2d_Array1OfCurve proj2d1(0,size);
1856 TColGeom2d_Array1OfCurve proj2d2(0,size);
1857 TColGeom_Array1OfCurve cproj1(0,size);
1858 TColGeom_Array1OfCurve cproj2(0,size);
1860 for (ic=0;ic<nedge;ic++) {
1861 Standard_Integer ilin;
1862 TColGeom_SequenceOfCurve cr;
1863 TColGeom2d_SequenceOfCurve pr;
1864 TopTools_SequenceOfShape Lface;
1865 TopTools_SequenceOfShape Ledge;
1867 if (regul.Value(ic)){
1868 Indices(nedge,ic,icplus,icmoins);
1869 Indices(nedge,icplus,icplus2,ic);
1870 Standard_Integer indfin,indfinmoins,indfinplus;
1872 trouve=Standard_False;
1875 if (!regul.Value(ii)) {
1877 trouve=Standard_True;
1879 if (ii==nedge-1) ii=0;
1882 Indices(nedge,indfin,indfinplus,indfinmoins);
1883 if (!sharp.Value(icmoins)){
1884 if( jf.Value(icmoins)==1)
1885 ilin= SurfIndex(CD, icmoins, i.Value(icmoins,ic), FACE1);
1887 ilin= SurfIndex(CD, icmoins, i.Value(icmoins,ic), FACE2);
1888 Lface.Append(TopoDS::Face(DStr.Shape(ilin)));
1890 else Lface.Append( Fvive(ic,icmoins));
1892 nbface=indfin-icmoins;
1893 else nbface =nedge-(icmoins-indfin);
1894 TopTools_SequenceOfShape Epj;
1895 TColStd_SequenceOfReal seqpr;
1897 for (Standard_Integer nf=1;nf<=nbface-1;nf++) {
1898 Standard_Integer iimoins,iiplus;
1899 Indices(nedge,ii,iiplus,iimoins);
1900 Ledge.Append(TopoDS::Edge(Evive.Value(ii)));
1901 seqpr.Append(p.Value(ii,iiplus));
1902 if (nf!=nbface-1) Lface.Append( Fvive(ii,iiplus));
1903 if (ii==nedge-1) ii=0;
1906 if (!sharp.Value(indfin) ){
1907 jfp=3-jf.Value(indfin);
1909 ilin= SurfIndex(CD, indfin, i.Value(indfin,indfinmoins), FACE1);
1910 else ilin=SurfIndex(CD, indfin, i.Value(indfin,indfinmoins), FACE2);
1911 Lface.Append(TopoDS::Face(DStr.Shape(ilin)));
1913 else Lface.Append(Fvive(indfin,indfinmoins));
1914 CurveHermite(DStr,CD.Value(icmoins),jf.Value(icmoins),i.Value(icmoins,ic),
1915 p.Value(icmoins,ic),sens.Value(icmoins),sharp.Value(icmoins),
1916 TopoDS::Edge(Evive.Value(icmoins)),CD.Value(indfin),jf.Value(indfin),
1917 i.Value(indfin,indfinmoins),p.Value(indfin,indfinmoins),sens.Value(indfin),
1918 sharp.Value(indfin),TopoDS::Edge(Evive.Value(indfin)),nbface,Ledge,
1919 Lface,pr,cr,Epj,seqpr,error);
1921 for (ind=1;ind<=nbface-1;ind++) {
1922 Standard_Integer iimoins,iiplus;
1923 Indices(nedge,ii,iiplus,iimoins);
1924 p.SetValue(ii,iiplus,seqpr.Value(ind));
1925 p.SetValue(ii,iimoins,seqpr.Value(ind));
1926 proj2d1.SetValue(ii,pr.Value(ind));
1927 proj2d2.SetValue(ii,pr.Value(ind+1));
1928 cproj1.SetValue(ii,cr.Value(ind));
1929 cproj2.SetValue(ii,cr.Value(ind+1));
1930 if (ii==nedge-1) ii=0;
1933 if (!sharp.Value(icmoins)&&!sharp.Value(indfin)) {
1935 while (ii!=indfin) {
1936 isG1.SetValue(ii,Standard_True);
1937 if (ii==nedge-1) ii=0;
1945 // case when the conncting curve between ic and icplus crosses many faces
1947 TopTools_SequenceOfShape Ecom;
1948 TopTools_SequenceOfShape Eproj;
1949 TColStd_SequenceOfReal parcom;
1951 for (ic=0;ic<nedge;ic++) {
1952 Standard_Integer iface1,iface2;
1953 TopoDS_Face face1,face2;
1955 TColGeom_SequenceOfCurve cr;
1956 TColGeom2d_SequenceOfCurve pr;
1957 Indices(nedge,ic,icplus,icmoins);
1958 if (!oksea.Value(ic)){
1959 iface1=numfa.Value(ic,icplus);
1960 iface2=numfa.Value(icplus,ic);
1961 if (!sharp.Value(ic)) {
1962 if (jf.Value(ic)==1)
1963 iface1 =SurfIndex(CD, ic, i.Value(ic,icplus), FACE1);
1964 else iface1=SurfIndex(CD, ic, i.Value(ic,icplus), FACE2);
1966 face1=TopoDS::Face(myDS->Shape(iface1));
1968 if (!sharp.Value(icplus)) {
1969 if (jf.Value(icplus)==1)
1970 iface2 =SurfIndex(CD, icplus, i.Value(icplus,ic), FACE2);
1971 else iface2=SurfIndex(CD, icplus, i.Value(icplus,ic), FACE1);
1973 face2=TopoDS::Face(myDS->Shape(iface2));
1974 if (!face1.IsSame(face2)) {
1975 if (Fproj.Length()==0) {
1976 Fproj.Append(face1);
1977 Fproj.Append(face2);
1979 moresurf.SetValue(ic,Standard_True);
1980 nbface=Fproj.Length();
1981 if (!TopoDS::Face(Fproj.Value(nbface)).IsSame(face2)) {
1982 Fproj.Remove(nbface);
1983 Fproj.Append(face2);
1985 if (!TopoDS::Face(Fproj.Value(1)).IsSame(face1)) {
1987 Fproj.Prepend(face1);
1989 for (nb=1;nb<=nbface-1; nb++) {
1990 cherche_edge1 ( TopoDS::Face(Fproj.Value(nb)), TopoDS::Face(Fproj.Value(nb+1)),edge);
1992 para=BRep_Tool::Parameter(TopExp::FirstVertex(edge),edge);
1993 parcom.Append(para);
1995 CurveHermite (DStr,CD.Value(ic),jf.Value(ic),i.Value(ic,icplus),
1996 p.Value(ic,icplus),sens.Value(ic),sharp.Value(ic),
1997 TopoDS::Edge(Evive.Value(ic)),
1998 CD.Value(icplus),jf.Value(icplus),i.Value(icplus,ic),
1999 p.Value(icplus,ic),sens.Value(icplus),sharp.Value(icplus),
2000 TopoDS::Edge(Evive.Value(icplus)),nbface,Ecom,Fproj, pr,cr,Eproj,parcom,error);
2001 Ecom.Append(Ecom.Value(nbface-1));
2002 parcom.Append(parcom.Value(nbface-1));
2007 // case when two fillets have the same commonpoints
2008 // one continues then by intersection
2009 // it is checked if the extremities of the intersection coincide with commonpoints
2011 Standard_Boolean intersection=Standard_False, introuve;
2012 if (nconges==2 && !deuxconges) {
2014 Standard_Integer ic1 = 0,ic2 = 0;
2015 trouve=Standard_False;
2016 for (ic=0;ic<nedge&&!trouve;ic++) {
2017 if (!sharp.Value(ic)){
2019 trouve=Standard_True;
2022 for (ic=0;ic<nedge;ic++) {
2023 if (!sharp.Value(ic)&& ic!=ic1) ic2=ic;
2025 jfp = 3 - jf.Value(ic1);
2026 Indices(nedge,ic1,icplus,icmoins);
2027 Calcul_P2dOnSurf(CD.Value(ic1),jfp,i.Value(ic1,icmoins),p.Value(ic1,icmoins),p2);
2028 indice=SurfIndex(CD, ic1, i.Value(ic1,icmoins), ChFiSURFACE);
2029 DStr.Surface(indice).Surface()->D0(p2.X(),p2.Y(),P1);
2031 Calcul_P2dOnSurf(CD.Value(ic1),jf.Value(ic1),i.Value(ic1,icplus),p.Value(ic1,icplus),p2);
2032 indice=SurfIndex(CD, ic1, i.Value(ic1,icplus), ChFiSURFACE);
2033 DStr.Surface(indice).Surface()->D0(p2.X(),p2.Y(),P2);
2035 jfp = 3 - jf.Value(ic2);
2036 Indices(nedge,ic2,icplus,icmoins);
2037 Calcul_P2dOnSurf(CD.Value(ic2),jfp,i.Value(ic2,icmoins),p.Value(ic2,icmoins),p2);
2038 indice=SurfIndex(CD, ic2, i.Value(ic2,icmoins), ChFiSURFACE);
2039 DStr.Surface(indice).Surface()->D0(p2.X(),p2.Y(),P3);
2041 Calcul_P2dOnSurf(CD.Value(ic2),jf.Value(ic2),i.Value(ic2,icplus),p.Value(ic2,icplus),p2);
2042 indice=SurfIndex(CD, ic2, i.Value(ic2,icplus), ChFiSURFACE);
2043 DStr.Surface(indice).Surface()->D0(p2.X(),p2.Y(),P4);
2044 intersection=(P1.Distance(P4)<=1.e-7 || P1.Distance(P3)<=1.e-7) &&
2045 (P2.Distance(P4)<=1.e-7 || P2.Distance(P3)<=1.e-7);
2047 PerformTwoCornerSameExt(DStr,CD.Value(ic1),Index.Value(ic1),sens.Value(ic1),
2048 CD.Value(ic2),Index.Value(ic2),sens.Value(ic2),introuve);
2049 if (introuve) return;
2053 // declaration for plate
2054 GeomPlate_BuildPlateSurface PSurf(3,10,3,tol2d,tolesp,angular);
2056 // calculation of curves on surface for each stripe
2057 for (ic=0;ic<nedge;ic++) {
2058 gp_Pnt2d p2d1, p2d2;
2059 if (!sharp.Value(ic)) {
2061 Indices(nedge,ic,icplus,icmoins);
2062 jfp = 3 - jf.Value(ic);
2063 Calcul_P2dOnSurf(CD.Value(ic),jfp,i.Value(ic,icmoins),p.Value(ic,icmoins),p2d1);
2064 Calcul_P2dOnSurf(CD.Value(ic),jf.Value(ic),i.Value(ic,icplus),p.Value(ic,icplus),p2d2);
2065 // if (i[ic][icplus]!= i[ic][icmoins]) std::cout<<"probleme surface"<<std::endl;
2066 indice= SurfIndex(CD, ic, i.Value(ic,icplus), ChFiSURFACE);
2067 Handle (GeomAdaptor_HSurface) Asurf =
2068 new GeomAdaptor_HSurface(DStr.Surface(indice).Surface());
2069 // calculation of curve 2d
2070 xdir= p2d2.X()-p2d1.X();
2071 ydir= p2d2.Y()-p2d1.Y();
2072 Standard_Real l0 = sqrt(xdir*xdir+ ydir*ydir );
2073 gp_Dir2d dir (xdir, ydir);
2074 Handle(Geom2d_Line) l= new Geom2d_Line (p2d1 ,dir);
2075 Handle (Geom2d_Curve) pcurve = new Geom2d_TrimmedCurve(l,0,l0);
2076 Handle (Geom2dAdaptor_HCurve) Acurv = new Geom2dAdaptor_HCurve(pcurve);
2077 Adaptor3d_CurveOnSurface CurvOnS (Acurv,Asurf);
2078 Handle(Adaptor3d_HCurveOnSurface) HCons =
2079 new Adaptor3d_HCurveOnSurface(CurvOnS);
2080 Order.SetValue(ic,1);
2081 Handle(GeomPlate_CurveConstraint) Cont =
2082 new GeomPlate_CurveConstraint(HCons,Order.Value(ic),10,tolesp,angular,0.1);
2085 // calculate indexes of points and of the curve for the DS
2086 isfirst=(sens.Value(ic)==1);
2087 GeomLib::BuildCurve3d(tolapp,CurvOnS,CurvOnS.FirstParameter(),
2088 CurvOnS.LastParameter(),Curv3d,maxapp,avedev);
2089 TopOpeBRepDS_Curve tcurv3d( Curv3d,maxapp);
2090 indcurve3d.SetValue(n3d,DStr.AddCurve(tcurv3d));
2091 gp_Pnt point1,point2;
2092 point1= CurvOnS.Value(CurvOnS.FirstParameter());
2093 point2 =CurvOnS.Value(CurvOnS.LastParameter());
2095 TopOpeBRepDS_Point tpoint1 (point1,maxapp);
2096 TopOpeBRepDS_Point tpoint2 (point2,maxapp);
2097 errapp.SetValue(ic,maxapp);
2099 // it is necessary to create two points
2100 indpoint.SetValue(ic,0,DStr.AddPoint(tpoint1));
2101 indpoint.SetValue(ic,1,DStr.AddPoint(tpoint2));
2104 // probably the points are already on the fillet
2105 // (previous intersection...)
2106 trouve = Standard_False;
2107 for (ii=0;ii<ic&&(!trouve);ii++) {
2108 if (!sharp.Value(ii)) {
2109 TopOpeBRepDS_Point & tpt= DStr.ChangePoint(indpoint.Value(ii,1));
2110 if (point1.Distance(tpt.Point())<1.e-4)
2111 trouve = Standard_True;
2115 indpoint.SetValue(ic,0,indpoint.Value(ii-1,1));
2117 indpoint.SetValue(ic,0,DStr.AddPoint(tpoint1));
2119 trouve = Standard_False;
2120 for (ii=0;ii<ic&&(!trouve);ii++) {
2121 if (!sharp.Value(ii)) {
2122 TopOpeBRepDS_Point & tpt= DStr.ChangePoint(indpoint.Value(ii,0));
2123 if (point2.Distance(tpt.Point())<1.e-4)
2124 trouve = Standard_True;
2128 indpoint.SetValue(ic,1,indpoint.Value(ii-1,0));
2130 indpoint.SetValue(ic,1,DStr.AddPoint(tpoint2));
2133 // update of the stripe
2134 isurf1=3-jf.Value(ic); isurf2=jf.Value(ic);
2135 if (isurf1==2) CD.Value(ic)->SetOrientation(TopAbs_REVERSED,isfirst);
2136 CD.Value(ic)->SetCurve(indcurve3d.Value(n3d),isfirst);
2137 CD.Value(ic)->SetIndexPoint(indpoint.Value(ic,0),isfirst,isurf1);
2138 CD.Value(ic)->SetIndexPoint(indpoint.Value(ic,1),isfirst,isurf2);
2139 CD.Value(ic)->SetParameters(isfirst,pcurve->FirstParameter(),pcurve->LastParameter());
2140 ChFiDS_CommonPoint cp1;
2141 ChFiDS_CommonPoint cp2;
2142 cp1.SetPoint (point1);
2143 cp2.SetPoint( point2);
2144 CD.Value(ic)->SetOfSurfData()->Value(i.Value(ic,icmoins))->
2145 ChangeVertex (isfirst,isurf1)=cp1;
2146 CD.Value(ic)->SetOfSurfData()->Value(i.Value(ic,icmoins))->
2147 ChangeVertex (isfirst,isurf2)=cp2;
2148 CD.Value(ic)->SetOfSurfData()->Value(i.Value(ic,icmoins))->
2149 ChangeInterference(isurf1).SetParameter(p.Value(ic,icmoins),isfirst);
2150 CD.Value(ic)->SetOfSurfData()->Value(i.Value(ic,icmoins))->
2151 ChangeInterference(isurf2).SetParameter(p.Value(ic,icplus),isfirst);
2152 CD.Value(ic)-> ChangePCurve(isfirst)= pcurve;
2156 // calculate the indices of points for living edges
2157 for (ic=0;ic<nedge;ic++) {
2158 if (sharp.Value(ic)) {
2159 Indices(nedge,ic,icplus,icmoins);
2160 BRepAdaptor_Curve C(TopoDS::Edge(Evive.Value(ic)));
2161 /*gp_Pnt*/ PE = C.Value(p.Value(ic,icplus));
2162 TopOpeBRepDS_Point TPE(PE,BRep_Tool::Tolerance(TopoDS::Edge(Evive.Value(ic))));
2163 ChFiDS_CommonPoint cp;
2165 IVtx = DStr.AddShape(V1);
2166 indpoint.SetValue(ic,0, IVtx );
2167 indpoint.SetValue(ic,1, IVtx );
2169 if (!sharp.Value(icplus)) {
2170 isfirst=(sens.Value(icplus)==1);
2171 jfp = 3 - jf.Value(icplus);
2172 cp = CD.Value(icplus)->SetOfSurfData()->Value(i.Value(icplus,ic))->
2173 ChangeVertex (isfirst,jfp);
2174 if ( cp.Point().Distance(PE) <= Max(1.e-4,tolcp)) {
2175 // edge was limited by the 1st CommonPoint of CD[icplus]
2176 indpoint.SetValue(ic,0,indpoint.Value(icplus,0));
2177 indpoint.SetValue(ic,1,indpoint.Value(icplus,0));
2180 if (!sharp.Value(icmoins)) {
2181 isfirst=(sens.Value(icmoins)==1);
2182 cp = CD.Value(icmoins)->SetOfSurfData()->Value(i.Value(icmoins,ic))->
2183 ChangeVertex (isfirst,jf.Value(icmoins));
2184 if ( cp.Point().Distance(PE) <= Max(1.e-4,tolcp)) {
2185 // edge was limited by the 2nd CommonPoint of CD[icmoins]
2186 if (indpoint.Value(ic,0)==0) {
2187 indpoint.SetValue(ic,0, indpoint.Value(icmoins,1));
2188 indpoint.SetValue(ic,1, indpoint.Value(icmoins,1));
2192 if (indpoint.Value(ic,0)==0) {
2193 indpoint.SetValue(ic,0,DStr.AddPoint(TPE));
2194 indpoint.SetValue(ic,1, indpoint.Value(ic,0));
2199 // calculation of intermediary curves connecting two stripes in case if
2200 // there is no intersection. The curve is a straight line, projection or batten
2202 Standard_Boolean raccordbatten;
2205 for (ic=0;ic<nedge;ic++) {
2207 if (!oksea.Value(ic)&& !moresurf.Value(ic) && !libre.Value(ic) ) {
2208 Indices(nedge,ic,icplus,icmoins);
2209 raccordbatten=Standard_False;
2210 if (!regul.Value(ic)) {
2211 raccordbatten=Standard_True;
2212 if (regul.Value(icplus))
2213 raccordbatten=Standard_False;
2216 gp_Pnt2d p2d1, p2d2;
2217 Handle(Geom2d_Curve) curv2d1,curv2d2;
2218 Handle (Geom2d_Curve) pcurve;
2219 Handle (Geom_Curve) curveint;
2220 Handle (GeomAdaptor_HSurface) Asurf;
2221 Standard_Real u1bid,u2bid;
2223 // return the 1st curve 2d
2224 // and the 1st connection point
2225 if (sharp.Value(ic))
2226 curv2d1 = BRep_Tool::CurveOnSurface(TopoDS::Edge(Evive.Value(ic)),TopoDS::Face(Fvive.Value(ic,icplus)),
2229 Calcul_C2dOnFace(CD.Value(ic),jf.Value(ic),i.Value(ic,icplus),curv2d1);
2230 p2d1 = curv2d1 ->Value(p.Value(ic,icplus));
2232 // recuperation de la deuxieme courbe 2d
2233 // et du deuxieme point de raccordement
2234 if (sharp.Value(icplus))
2235 curv2d2 = BRep_Tool::CurveOnSurface(TopoDS::Edge(Evive.Value(icplus)),
2236 TopoDS::Face(Fvive.Value(ic,icplus)),u1bid,u2bid);
2238 jfp = 3 - jf.Value(icplus);
2239 Calcul_C2dOnFace(CD.Value(icplus),jfp,i.Value(icplus,ic),curv2d2);
2241 p2d2 = curv2d2 ->Value(p.Value(icplus,ic));
2243 Asurf = new GeomAdaptor_HSurface(BRep_Tool::Surface(TopoDS::Face(Fvive.Value(ic,icplus))));
2244 Standard_Real tolu,tolv,ratio;
2245 tolu=Asurf->Surface().UResolution(1.e-3);
2246 tolv=Asurf->Surface().VResolution(1.e-3);
2247 if (tolu>tolv) ratio=tolu/tolv;
2248 else ratio=tolv/tolu;
2250 // in case of a sewing edge the parameters are reframed
2252 Standard_Boolean PI1=Standard_False, PI2=Standard_False;
2254 PI1=0<=p2d1.X() && p2d1.X() <=M_PI;
2255 PI2=0<=p2d2.X() && p2d2.X() <=M_PI;
2257 if (Evive.Value(ic).IsSame(edgecouture)){
2259 if (PI2&&!PI1) xx=xx-2*M_PI;
2260 if (!PI2&&PI1) xx=xx+2*M_PI;
2264 if (Evive.Value(icplus).IsSame(edgecouture)){
2266 if (PI2&&!PI1) xx=xx+2*M_PI;
2267 if (!PI2&&PI1) xx=xx-2*M_PI;
2271 xdir= p2d2.X()-p2d1.X();
2272 ydir= p2d2.Y()-p2d1.Y();
2274 Standard_Real l0 = sqrt(xdir*xdir+ ydir*ydir );
2275 if (l0<1.e-7|| ponctuel.Value(ic)) {
2276 // unused connection
2278 ponctuel.SetValue(ic,Standard_True);
2280 if ( sharp.Value(icplus) && indpoint.Value(icplus,0) == 0 ) {
2281 indpoint.SetValue(icplus,0, indpoint.Value(ic,1));
2282 indpoint.SetValue(icplus,1, indpoint.Value(ic,1));
2284 if ( sharp.Value(ic) && indpoint.Value(ic,0) == 0 ) {
2285 indpoint.SetValue(ic,0,indpoint.Value(icmoins,1));
2286 indpoint.SetValue(ic,1,indpoint.Value(icmoins,1));
2290 else { // the connection is a straight line, projection or batten
2291 if (ratio>10 && nconges==1) raccordbatten=Standard_True;
2292 if (ratio>10 && raccordbatten) {
2293 CalculDroite(p2d1,xdir,ydir,pcurve);
2294 raccordbatten=Standard_False;
2296 else if (!raccordbatten){ // the projected curves are returned
2297 if (regul.Value(ic)) {
2298 if (cproj2.Value(ic).IsNull()){
2299 raccordbatten=Standard_True;
2302 pcurve=proj2d2.Value(ic);
2303 curveint=cproj2.Value(ic);
2309 if (cproj1.Value(ic+1).IsNull()) {
2310 raccordbatten=Standard_True;
2313 pcurve=proj2d1.Value(ic+1);
2314 curveint=cproj1.Value(ic+1);
2319 Standard_Boolean contraint1=Standard_True,
2320 contraint2=Standard_True;
2321 if (raccordbatten) {
2323 ChFi3d_InitChron(ch);// initial performances for battens
2325 Standard_Boolean inverseic,inverseicplus;
2326 if (sharp.Value(ic)) {
2327 inverseic=TopExp::FirstVertex(TopoDS::Edge(Evive.Value(ic))).
2331 inverseic=sens.Value(ic)==1;
2333 if (sharp.Value(icplus)){
2334 inverseicplus=TopExp::FirstVertex(TopoDS::Edge(Evive.Value(icplus))).
2338 inverseicplus=sens.Value(icplus)==1;
2340 if (TopoDS::Edge(Evive.Value(ic)).IsSame(edgelibre1) ||
2341 TopoDS::Edge(Evive.Value(ic)).IsSame(edgelibre2))
2342 contraint1=Standard_False;
2343 if (TopoDS::Edge(Evive.Value(icplus)).IsSame(edgelibre1) ||
2344 TopoDS::Edge(Evive.Value(icplus)).IsSame(edgelibre2))
2345 contraint2=Standard_False;
2346 CalculBatten(Asurf,TopoDS::Face(Fvive(ic,icplus)),xdir,ydir,p2d1,p2d2,contraint1,contraint2,curv2d1,curv2d2,p.Value(ic,icplus),
2347 p.Value(icplus,ic),inverseic,inverseicplus,pcurve);
2349 ChFi3d_ResultChron( ch,t_batten); // resulting performances for battens
2353 // construction of borders for Plate
2354 Handle (Geom2dAdaptor_HCurve) Acurv=new Geom2dAdaptor_HCurve(pcurve);
2355 Adaptor3d_CurveOnSurface CurvOnS (Acurv,Asurf);
2356 Handle(Adaptor3d_HCurveOnSurface) HCons =
2357 new Adaptor3d_HCurveOnSurface(CurvOnS);
2359 // constraints G1 are set if edges ic and icplus are not both alive
2362 Order.SetValue(n3d,0);
2363 if (!sharp.Value(ic)&& !sharp.Value(icplus))
2364 Order.SetValue(n3d,1);
2365 if (!contraint1 && !sharp.Value(icplus))
2366 Order.SetValue(n3d,1);
2367 if (!contraint2 && !sharp.Value(ic))
2368 Order.SetValue(n3d,1);
2369 if (tangentregul(ic) || tangentregul(icplus) )
2370 Order.SetValue(n3d,1);
2372 Order.SetValue(n3d,1);
2373 Handle(GeomPlate_CurveConstraint) Cont =
2374 new GeomPlate_CurveConstraint(HCons,Order.Value(n3d),10,tolesp,angular,0.1);
2377 //calculation of curve 3d if it is not a projection
2378 if (curveint.IsNull()) {
2379 GeomLib::BuildCurve3d(tolapp,CurvOnS,CurvOnS.FirstParameter(),
2380 CurvOnS.LastParameter(),Curv3d,maxapp1,avedev);
2381 pardeb=CurvOnS.FirstParameter();
2382 parfin= CurvOnS.LastParameter();
2383 curveint= new Geom_TrimmedCurve(Curv3d,pardeb,parfin);
2387 TopOpeBRepDS_Curve tcurv3d( curveint,maxapp1);
2388 indcurve3d.SetValue(n3d, DStr.AddCurve(tcurv3d));
2389 pardeb=curveint->FirstParameter();
2390 parfin=curveint->LastParameter();
2391 if ( sharp.Value(icplus) && indpoint.Value(icplus,0) == 0) {
2392 // it is necessary to initialize indpoint[icplus][0] and indpoint[icplus][1]
2394 point2 =curveint->Value(parfin);
2395 TopOpeBRepDS_Point tpoint2 (point2,maxapp);
2396 indpoint.SetValue(icplus,0,DStr.AddPoint(tpoint2));
2397 indpoint.SetValue(icplus,1,indpoint.Value(icplus,0));
2399 Standard_Boolean IsVt1=Standard_False;
2400 Standard_Boolean IsVt2=Standard_False;
2402 IsVt1=sharp.Value(ic);
2403 IsVt2=sharp.Value(icplus);
2405 Interfp1=ChFi3d_FilPointInDS(TopAbs_FORWARD,indcurve3d.Value(n3d),
2406 indpoint.Value(ic,1),pardeb,IsVt1);
2407 Interfp2=ChFi3d_FilPointInDS(TopAbs_REVERSED,indcurve3d.Value(n3d),
2408 indpoint(icplus,0),parfin,IsVt2);
2409 DStr.ChangeCurveInterferences(indcurve3d.Value(n3d)).Append(Interfp1);
2410 DStr.ChangeCurveInterferences(indcurve3d.Value(n3d)).Append(Interfp2);
2412 TopOpeBRepDS_Point & tpt1= DStr.ChangePoint(indpoint(ic,1));
2413 tpt1.Tolerance (tpt1.Tolerance()+maxapp1);
2416 TopOpeBRepDS_Point &tpt2= DStr.ChangePoint(indpoint(icplus,0));
2417 tpt2.Tolerance (tpt2.Tolerance()+maxapp1);
2420 // calculate orientation of the curve
2421 TopAbs_Orientation orinterf;
2422 if (!sharp.Value(ic)) {
2423 OrientationIcNonVive(CD.Value(ic),jf.Value(ic),i.Value(ic,icplus),sens.Value(ic),orinterf);
2425 else if (!sharp.Value(icplus)) {
2426 OrientationIcplusNonVive(CD.Value(icplus),jf.Value(icplus),i.Value(icplus,ic),sens.Value(icplus),orinterf);
2429 OrientationAreteViveConsecutive (Fvive.Value(ic,icplus) ,Evive.Value(ic),V1,orinterf);
2431 Interfc=ChFi3d_FilCurveInDS(indcurve3d.Value(n3d),numfa.Value(ic,icplus),pcurve,orinterf);
2432 DStr.ChangeShapeInterferences(numfa.Value(ic,icplus)).Append(Interfc);
2434 } // end of processing by edge
2435 } // end of the loop on edges
2436 } // end of processing for intermediary curves
2438 // storage in the DS of curves projected on several faces
2439 for (ic=0;ic<nedge;ic++) {
2440 if (moresurf.Value(ic) ){
2441 TopoDS_Vertex Vf,Vl;
2442 gp_Pnt Pf,Pl,P1,P2,Pcom;
2443 ind = 0; //must be initialized because of possible use, see L2249
2444 Standard_Real up1,up2;
2445 TopAbs_Orientation orvt;
2446 TopAbs_Orientation oredge = TopAbs_FORWARD;
2447 Standard_Integer indpoint1,indpoint2;
2448 Indices(nedge,ic,icplus,icmoins);
2449 Handle(Geom2d_Curve) proj,proj2d;
2450 Handle(Geom_Curve) projc,cproj;
2451 TopOpeBRepDS_Point& tpt1= DStr.ChangePoint(indpoint(ic,1));
2452 TopOpeBRepDS_Point& tpt2= DStr.ChangePoint(indpoint(icplus,0));
2453 tpt1.Tolerance (tpt1.Tolerance()+error);
2454 tpt2.Tolerance (tpt1.Tolerance()+error);
2455 for(nb=1;nb<=nbface;nb++) {
2456 orvt=TopAbs_REVERSED;
2457 Vf=TopExp::FirstVertex(TopoDS::Edge(Ecom.Value(nb)));
2458 Vl=TopExp::LastVertex (TopoDS::Edge(Ecom.Value(nb)));
2459 Pf=BRep_Tool::Pnt(Vf);
2460 Pl=BRep_Tool::Pnt(Vl);
2461 para=parcom.Value(nb);
2462 Pcom=BRep_Tool::Curve(TopoDS::Edge(Ecom.Value(nb)),up1,up2)->Value(para);
2463 if (Pf.Distance(BRep_Tool::Pnt(V1))< Pl.Distance(BRep_Tool::Pnt(V1)))
2464 orvt=TopAbs_FORWARD;
2465 if (!Eproj.Value(nb).IsNull()) {
2467 proj=BRep_Tool::CurveOnSurface(TopoDS::Edge(Eproj.Value(nb)),
2468 TopoDS::Face(Fproj.Value(nb)),up1,up2);
2469 proj2d=new Geom2d_TrimmedCurve(proj,up1,up2);
2470 projc=BRep_Tool::Curve(TopoDS::Edge(Eproj.Value(nb)),up1,up2);
2471 cproj=new Geom_TrimmedCurve(projc,up1,up2);
2472 pardeb=cproj->FirstParameter();
2473 parfin=cproj->LastParameter();
2474 P1=cproj->Value(pardeb);
2475 P2=cproj->Value(parfin);
2476 if (P1.Distance(tpt1.Point())<1.e-3)
2477 indpoint1=indpoint(ic,1);
2479 if (P2.Distance(tpt2.Point())<1.e-3)
2480 indpoint2=indpoint(icplus,0);
2482 TopOpeBRepDS_Point tpoint2 (P2,error);
2483 indpoint2= DStr.AddPoint(tpoint2);
2486 Handle (GeomAdaptor_HSurface) Asurf;
2487 Asurf = new GeomAdaptor_HSurface(BRep_Tool::Surface
2488 (TopoDS::Face(Fproj.Value(nb))));
2489 Handle (Geom2dAdaptor_HCurve) Acurv=new Geom2dAdaptor_HCurve(proj2d);
2490 Adaptor3d_CurveOnSurface CurvOnS (Acurv,Asurf);
2491 Handle(Adaptor3d_HCurveOnSurface) HCons =new Adaptor3d_HCurveOnSurface(CurvOnS);
2492 Order.SetValue(n3d,1);
2493 Handle(GeomPlate_CurveConstraint) Cont =
2494 new GeomPlate_CurveConstraint(HCons,Order.Value(n3d),10,tolesp,angular,0.1);
2496 TopOpeBRepDS_Curve tcurv3d( cproj,error);
2497 indcurve3d.SetValue(n3d, DStr.AddCurve(tcurv3d));
2498 Interfp1=ChFi3d_FilPointInDS(TopAbs_FORWARD,indcurve3d.Value(n3d),
2500 Interfp2=ChFi3d_FilPointInDS(TopAbs_REVERSED,indcurve3d.Value(n3d),
2502 DStr.ChangeCurveInterferences(indcurve3d.Value(n3d)).Append(Interfp1);
2503 DStr.ChangeCurveInterferences(indcurve3d.Value(n3d)).Append(Interfp2);
2504 num=DStr.AddShape(Fproj.Value(nb));
2506 for(ex.Init(Fproj.Value(nb).Oriented(TopAbs_FORWARD),TopAbs_EDGE);
2507 ex.More(); ex.Next()){
2508 if(Ecom.Value(nb).IsSame(ex.Current())) {
2509 oredge = ex.Current().Orientation();
2514 //calculation of the orientation
2515 TopAbs_Orientation orinterf;
2516 if (P1.Distance(Pcom)>1.e-4) {
2517 if (orvt==TopAbs_FORWARD) {
2521 orinterf=TopAbs::Reverse(oredge);
2525 if (orvt==TopAbs_FORWARD) {
2526 orinterf=TopAbs::Reverse(oredge);
2532 Interfc=ChFi3d_FilCurveInDS(indcurve3d.Value(n3d),num,proj2d,orinterf);
2533 DStr.ChangeShapeInterferences(num).Append(Interfc);
2537 if (Eproj.Value(nb).IsNull()) indice=indpoint(ic,1);
2538 if (Eproj.Value(nb+1).IsNull()) indice=indpoint(icplus,0);
2539 Indice.SetValue(n3d,indice);
2540 Standard_Integer Iarc1=DStr.AddShape(TopoDS::Edge(Ecom.Value(nb)));
2541 Interfp1=ChFi3d_FilPointInDS(orvt,Iarc1,indice,parcom.Value(nb));
2542 DStr.ChangeShapeInterferences(Iarc1).Append(Interfp1);
2548 // case when two free borders are tangent
2550 for (ic=0;ic<nedge;ic++) {
2551 Handle(Geom_Curve) curve,ctrim,rcurve;
2552 Handle(Geom2d_Curve) curve2d,ctrim2d,rcurve2d;
2553 Standard_Real ufirst,ulast;
2554 Indices(nedge,ic,icplus,icmoins);
2555 Standard_Integer indpoint1,indpoint2;
2556 Standard_Boolean isvt1=Standard_False,isvt2=Standard_False;
2557 TopoDS_Edge ecur =TopoDS::Edge(Evive.Value(ic));
2558 if (ecur.IsSame(edgelibre1)|| ecur.IsSame(edgelibre2)) {
2560 curve2d=BRep_Tool::CurveOnSurface(TopoDS::Edge(Evive.Value(ic)),
2561 TopoDS::Face(Fvive.Value(ic,icplus)),ufirst,ulast);
2562 curve=BRep_Tool::Curve(TopoDS::Edge(Evive.Value(ic)),ufirst,ulast);
2563 if (TopExp::FirstVertex((TopoDS::Edge(Evive.Value(ic)))).IsSame (V1)) {
2564 ctrim=new Geom_TrimmedCurve(curve,ufirst,p.Value(ic,icmoins));
2565 ctrim2d=new Geom2d_TrimmedCurve(curve2d,ufirst,p.Value(ic,icmoins));
2566 indpoint1=DStr.AddShape(V1);
2568 indpoint2=indpoint(ic,1);
2571 ctrim=new Geom_TrimmedCurve(curve, p.Value(ic,icmoins),ulast);
2572 ctrim2d=new Geom2d_TrimmedCurve(curve2d,p.Value(ic,icmoins),ulast);
2573 indpoint2=DStr.AddShape(V1);
2575 indpoint1=indpoint(ic,1);
2577 if (libre.Value(ic)){
2578 if (TopExp::FirstVertex((TopoDS::Edge(Evive.Value(ic)))).IsSame(V1)) {
2581 indpoint2=DStr.AddShape(V1);
2584 indpoint1=indpoint(ic,1);
2588 if (TopExp::LastVertex((TopoDS::Edge(Evive.Value(ic)))).IsSame(V1)) {
2591 indpoint1=DStr.AddShape(V1);
2594 indpoint2=indpoint(ic,1);
2597 ufirst=ctrim->FirstParameter();
2598 ulast=ctrim->LastParameter();
2599 Handle (GeomAdaptor_HSurface) Asurf;
2600 Asurf = new GeomAdaptor_HSurface(BRep_Tool::Surface
2601 (TopoDS::Face(Fvive.Value(ic,icplus))));
2602 Handle (Geom2dAdaptor_HCurve) Acurv=new Geom2dAdaptor_HCurve(ctrim2d);
2603 Adaptor3d_CurveOnSurface CurvOnS (Acurv,Asurf);
2604 Handle(Adaptor3d_HCurveOnSurface) HCons =new Adaptor3d_HCurveOnSurface(CurvOnS);
2605 Order.SetValue(n3d,0);
2606 Handle(GeomPlate_CurveConstraint) Cont =
2607 new GeomPlate_CurveConstraint(HCons,Order.Value(n3d),10,tolesp,angular,0.1);
2609 TopOpeBRepDS_Curve tcurv3d( ctrim,1.e-4);
2610 indcurve3d.SetValue(n3d, DStr.AddCurve(tcurv3d));
2611 Interfp1=ChFi3d_FilPointInDS(TopAbs_FORWARD,indcurve3d.Value(n3d),
2612 indpoint1,ufirst,isvt1);
2613 Interfp2=ChFi3d_FilPointInDS(TopAbs_REVERSED,indcurve3d.Value(n3d),
2614 indpoint2,ulast,isvt2);
2615 DStr.ChangeCurveInterferences(indcurve3d.Value(n3d)).Append(Interfp1);
2616 DStr.ChangeCurveInterferences(indcurve3d.Value(n3d)).Append(Interfp2);
2621 ChFi3d_InitChron(ch); // init performances for plate
2627 ChFi3d_ResultChron(ch, t_plate); //result performances for plate
2633 ChFi3d_InitChron(ch); // init performances for approxplate
2635 if (PSurf.IsDone()) {
2636 Standard_Integer nbcarreau=9;
2637 Standard_Integer degmax=8;
2638 Standard_Real seuil;
2639 Handle(GeomPlate_Surface) gpPlate = PSurf.Surface();
2641 TColgp_SequenceOfXY S2d;
2642 TColgp_SequenceOfXYZ S3d;
2645 PSurf.Disc2dContour(4,S2d);
2646 PSurf.Disc3dContour(4,0,S3d);
2647 seuil = Max(tolapp,10*PSurf.G0Error());
2648 GeomPlate_PlateG0Criterion critere (S2d,S3d,seuil);
2649 GeomPlate_MakeApprox Mapp(gpPlate,critere,tolapp,nbcarreau,degmax);
2650 Handle (Geom_Surface) Surf (Mapp.Surface());
2651 Standard_Real coef = 1.1 ,apperror;
2652 apperror=Mapp.CriterionError()*coef;
2655 ChFi3d_ResultChron(ch, t_approxplate); // result performances for approxplate
2658 // Storage of the surface plate and corresponding curves in the DS
2660 TopAbs_Orientation orplate,orsurfdata,orpcurve,orien;
2662 // Standard_Real ang1=PSurf.G1Error();
2664 // gp_Vec n1,n2,du,dv,du1,dv1;
2666 // Standard_Real tpar;
2668 // Standard_Real scal;
2670 TopOpeBRepDS_Surface Tsurf(Surf,Mapp.ApproxError());
2671 Standard_Integer Isurf=DStr.AddSurface(Tsurf);
2672 //lbo : historique QDF.
2673 if(!myEVIMap.IsBound(V1)){
2674 TColStd_ListOfInteger li;
2675 myEVIMap.Bind(V1,li);
2677 myEVIMap.ChangeFind(V1).Append(Isurf);
2679 Standard_Integer SolInd = CD.Value(0)->SolidIndex();
2680 TopOpeBRepDS_ListOfInterference& SolidInterfs =
2681 DStr.ChangeShapeInterferences(SolInd);
2683 // in case when one rereads at top, it is necessary that
2684 // alive edges that arrive at the top should be removed from the DS.
2685 // For this they are stored in the DS with their inverted orientation
2686 Standard_Integer nbedge;
2689 for (ic=0;ic<nedge;ic++) {
2690 if (!sharp.Value(ic)){
2691 nbedge = CD.Value(ic)->Spine()->NbEdges();
2692 TopoDS_Edge Arcspine;
2693 if (sens.Value(ic) ==1)
2694 Arcspine=CD.Value(ic) ->Spine()->Edges(1);
2696 Arcspine= CD.Value(ic)->Spine()->Edges(nbedge);
2697 Standard_Integer IArcspine = DStr.AddShape(Arcspine);
2698 TopAbs_Orientation OVtx = TopAbs_FORWARD;
2699 for(ex.Init(Arcspine.Oriented(TopAbs_FORWARD),TopAbs_VERTEX);
2700 ex.More(); ex.Next()){
2701 if(V1.IsSame(ex.Current())) {
2702 OVtx = ex.Current().Orientation();
2706 OVtx = TopAbs::Reverse(OVtx);
2707 Standard_Real parVtx = BRep_Tool::Parameter(V1,Arcspine);
2708 Handle(TopOpeBRepDS_CurvePointInterference)
2709 interfv = ChFi3d_FilVertexInDS(OVtx,IArcspine,IVtx,parVtx);
2710 DStr.ChangeShapeInterferences(IArcspine).Append(interfv);
2714 // calculate orientation of Plate orplate corresponding to surfdata
2715 // calculation corresponding to the first stripe
2716 Indices(nedge,0,icplus,icmoins);
2717 isfirst=(sens.Value(0)==1);
2718 const Handle(ChFiDS_SurfData)& Fd =
2719 CD.Value(0)->SetOfSurfData()->Value(i.Value(0,icmoins));
2721 // Handle (Geom_Surface) surfdata = DStr.Surface(indice).Surface();
2722 // tpar= (CD.Value(0)->PCurve(isfirst)->FirstParameter()+
2723 // CD.Value(0)->PCurve(isfirst)->LastParameter())/2 ;
2724 // CD.Value(0)->PCurve(isfirst)->D0(tpar,uv);
2725 // surfdata->D1(uv.X(),uv.Y(),pp,du,dv);
2726 // tpar=(PSurf.Curves2d()->Value(1)->FirstParameter()+
2727 // PSurf.Curves2d()->Value(1)->LastParameter())/2;
2728 // (PSurf.Curves2d())->Value(1)->D0(tpar,uv);
2729 // Surf-> D1(uv.X(),uv.Y(),pp1,du1,dv1);
2730 // n1=du.Crossed(dv);
2731 // n2=du1.Crossed(dv1);
2732 // scal= n1.Dot(n2);
2733 orsurfdata=Fd->Orientation();
2734 // if (scal>0) orplate=orsurfdata;
2735 // else orplate=TopAbs::Reverse(orsurfdata);
2736 orplate = PlateOrientation(Surf,PSurf.Curves2d(),SumFaceNormalAtV1);
2738 // creation of solidinterderence for Plate
2739 Handle(TopOpeBRepDS_SolidSurfaceInterference) SSI =
2740 new TopOpeBRepDS_SolidSurfaceInterference(TopOpeBRepDS_Transition(orplate),
2743 TopOpeBRepDS_SURFACE,
2745 SolidInterfs.Append(SSI);
2747 // calculate orientation orien of pcurves of Plate
2748 // the curves from ic to icplus the pcurves of Plate
2749 // all have the same orientation
2750 Standard_Integer Ishape1,Ishape2;
2751 TopAbs_Orientation trafil1 = TopAbs_FORWARD, trafil2 = TopAbs_FORWARD;
2752 Ishape1 = Fd->IndexOfS1();
2753 Ishape2 = Fd->IndexOfS2();
2754 const ChFiDS_FaceInterference& Fi1 = Fd->InterferenceOnS1();
2755 const ChFiDS_FaceInterference& Fi2 = Fd->InterferenceOnS2();
2758 trafil1 = DStr.Shape(Ishape1).Orientation();
2760 trafil1 = TopAbs::Compose(trafil1,Fd->Orientation());
2761 trafil1 = TopAbs::Compose(TopAbs::Reverse(Fi1.Transition()),trafil1);
2762 trafil2 = TopAbs::Reverse(trafil1);
2766 trafil2 = DStr.Shape(Ishape2).Orientation();
2768 trafil2 = TopAbs::Compose(trafil2,Fd->Orientation());
2769 trafil2 = TopAbs::Compose(TopAbs::Reverse(Fi2.Transition()),trafil2);
2770 trafil1 = TopAbs::Reverse(trafil2);
2773 orpcurve=TopAbs::Reverse(trafil1);
2774 orpcurve= TopAbs::Compose(orpcurve,CD.Value(0)->FirstPCurveOrientation ()); }
2777 orpcurve= TopAbs::Compose(orpcurve,CD.Value(0)->LastPCurveOrientation ());
2779 if (orsurfdata==orplate)
2780 orien =TopAbs::Reverse(orpcurve);
2781 else orien=orpcurve;
2785 for (ic=0;ic<=nedge;ic++) {
2786 if (libre.Value(ic)) {
2787 Standard_Integer icplus21;
2788 Indices(nedge,ic,icplus,icmoins);
2789 Indices(nedge,icplus,icplus21,ic);
2791 Handle (Geom_Curve) C3d;
2792 Handle (Geom2d_Curve) C2d,curv2d;
2793 gp_Pnt ptic,pticplus;
2794 BRepAdaptor_Curve BCurv1(TopoDS::Edge(Evive.Value(ic)));
2795 BRepAdaptor_Curve BCurv2(TopoDS::Edge(Evive.Value(icplus)));
2796 Standard_Real par1=p.Value(ic,icplus);
2797 Standard_Real par2=p.Value(icplus,ic);
2798 BCurv1.D0(par1,ptic);
2799 BCurv2.D0(par2,pticplus);
2800 ParametrePlate(n3d,PSurf,Surf,ptic,apperror,UV1);
2801 ParametrePlate(n3d,PSurf,Surf,pticplus,apperror,UV2);
2802 Standard_Real to3d=1.e-3,to2d=1.e-6,tolreached;
2803 ChFiDS_CommonPoint CP1,CP2;
2804 CP1.SetArc(1.e-3, TopoDS::Edge(Evive.Value(ic)),par1,TopAbs_FORWARD);
2806 CP2.SetArc(1.e-3, TopoDS::Edge(Evive.Value(icplus)),par2,TopAbs_FORWARD);
2807 CP2.SetPoint(pticplus);
2808 Standard_Real param1,param2;
2809 ChFi3d_ComputeArete( CP1,UV1,CP2,UV2,Surf,C3d,C2d,param1,param2,
2810 to3d,to2d,tolreached,0);
2811 TopOpeBRepDS_Curve tcurv3d( C3d,tolreached);
2812 Standard_Integer ind1,ind2;
2813 ind1=indpoint(ic,0);
2814 ind2=indpoint(icplus,0);
2815 Standard_Integer indcurv=DStr.AddCurve(tcurv3d);
2816 Interfp1=ChFi3d_FilPointInDS(TopAbs_FORWARD,indcurv,ind1,param1);
2817 Interfp2=ChFi3d_FilPointInDS(TopAbs_REVERSED,indcurv,ind2,param2);
2818 DStr.ChangeCurveInterferences(indcurv).Append(Interfp1);
2819 DStr.ChangeCurveInterferences(indcurv).Append(Interfp2);
2820 Interfc=ChFi3d_FilCurveInDS(indcurv,Isurf,C2d,orien);
2821 DStr.ChangeSurfaceInterferences(Isurf).Append(Interfc);
2825 // stockage des courbes relatives aux stripes
2827 for (ic=0; ic<nedge ;ic++) {
2828 if (!sharp.Value(ic)) {
2830 Indices(nedge,ic,icplus,icmoins);
2832 isfirst=(sens.Value(ic)==1);
2833 // calculate curves interference relative to stripes
2835 apperror=Mapp.CriterionError()*coef;
2836 pardeb=CD.Value(ic)->PCurve(isfirst)->FirstParameter();
2837 parfin=CD.Value(ic)->PCurve(isfirst)->LastParameter();
2839 Interfp1=ChFi3d_FilPointInDS(TopAbs_FORWARD,indcurve3d.Value(n3d),
2840 indpoint.Value(ic,0),pardeb);
2841 Interfp2=ChFi3d_FilPointInDS(TopAbs_REVERSED,indcurve3d.Value(n3d),
2842 indpoint.Value(ic,1),parfin);
2843 DStr.ChangeCurveInterferences(indcurve3d.Value(n3d)).Append( Interfp1);
2844 DStr.ChangeCurveInterferences(indcurve3d.Value(n3d)).Append( Interfp2);
2845 TopOpeBRepDS_Curve& tcourb = DStr.ChangeCurve(indcurve3d.Value(n3d));
2847 tcourb.Tolerance(errapp.Value(ic)+apperror);
2848 TopOpeBRepDS_Point& tpt1= DStr.ChangePoint(indpoint(ic,0));
2849 TopOpeBRepDS_Point& tpt2= DStr.ChangePoint(indpoint(ic,1));
2850 tpt1.Tolerance (tpt1.Tolerance()+apperror);
2851 tpt2.Tolerance (tpt2.Tolerance()+apperror );
2853 // calculate surfaceinterference
2854 Interfc=ChFi3d_FilCurveInDS(indcurve3d.Value(n3d),Isurf,
2855 PSurf.Curves2d()->Value(n3d),orien);
2856 DStr.ChangeSurfaceInterferences(Isurf).Append(Interfc);
2857 regular.SetCurve(indcurve3d.Value(n3d));
2858 regular.SetS1(Isurf,Standard_False);
2859 indice=CD.Value(ic)->SetOfSurfData()->Value( i.Value(ic,icmoins))->Surf();
2860 regular.SetS2(indice,Standard_False);
2861 myRegul.Append(regular);
2865 // storage of connection curves
2867 for (ic=0; ic<nedge;ic++) {
2868 Indices(nedge,ic,icplus,icmoins);
2869 if (!oksea.Value(ic)) {
2870 if (sharp.Value(ic) &&!deuxconges) {
2871 // limitation of the alive edge
2872 TopAbs_Orientation ori;
2873 gp_Pnt Pf,Pl,sommet1;
2874 TopoDS_Vertex Vd = TopExp::FirstVertex(TopoDS::Edge(Evive.Value(ic)));
2875 TopoDS_Vertex Vf = TopExp::LastVertex(TopoDS::Edge(Evive.Value(ic)));
2876 Pf=BRep_Tool::Pnt(Vd);
2877 Pl=BRep_Tool::Pnt(Vf);
2878 sommet1=BRep_Tool::Pnt(V1);
2879 if (Pf.Distance(sommet1)<Pl.Distance(sommet1))
2880 ori = TopAbs_FORWARD;
2882 ori = TopAbs_REVERSED;
2883 Standard_Integer Iarc1=DStr.AddShape(TopoDS::Edge(Evive.Value(ic)));
2884 Interfp1=ChFi3d_FilPointInDS(ori,Iarc1,indpoint(ic,1),p.Value(ic,icplus));
2885 DStr.ChangeShapeInterferences(TopoDS::Edge(Evive.Value(ic))).Append(Interfp1);
2888 if (!ponctuel.Value(ic) && !libre.Value(ic)) {
2889 // actual connection
2890 if (!moresurf.Value(ic)){
2892 TopOpeBRepDS_Curve& tcourb1 = DStr.ChangeCurve(indcurve3d.Value(n3d));
2893 tcourb1.Tolerance(tcourb1.Tolerance()+apperror);
2895 TopOpeBRepDS_Point& tpt11= DStr.ChangePoint(indpoint(ic,1));
2896 TopOpeBRepDS_Point& tpt21= DStr.ChangePoint(indpoint(icplus,0));
2897 tpt11.Tolerance (tpt11.Tolerance()+apperror);
2898 tpt21.Tolerance (tpt21.Tolerance()+apperror );
2900 Interfc=ChFi3d_FilCurveInDS(indcurve3d.Value(n3d),Isurf,
2901 PSurf.Curves2d()->Value(n3d),orien);
2902 DStr.ChangeSurfaceInterferences(Isurf).Append(Interfc);
2903 if( Order.Value(n3d)==1) {
2904 regular.SetCurve(indcurve3d.Value(n3d));
2905 regular.SetS1(Isurf,Standard_False);
2906 regular.SetS2(numfa.Value(ic,icplus));
2907 myRegul.Append(regular);
2914 //storage of curves projected on several faces
2915 for (ic=0; ic<nedge;ic++) {
2916 Indices(nedge,ic,icplus,icmoins);
2918 for (nb=1;nb<=nbface;nb++){
2919 if (!Eproj.Value(nb).IsNull()) {
2921 TopOpeBRepDS_Curve& tcourb1 = DStr.ChangeCurve(indcurve3d.Value(n3d));
2922 tcourb1.Tolerance(tcourb1.Tolerance()+apperror);
2923 if(Indice.Value(n3d)!=0) {
2924 TopOpeBRepDS_Point& tpt11= DStr.ChangePoint(Indice.Value(n3d));
2925 tpt11.Tolerance (tpt11.Tolerance()+apperror);
2927 Interfc=ChFi3d_FilCurveInDS(indcurve3d.Value(n3d),Isurf,
2928 PSurf.Curves2d()->Value(n3d),orien);
2929 DStr.ChangeSurfaceInterferences(Isurf).Append(Interfc);
2930 if( Order.Value(n3d)==1) {
2931 regular.SetCurve(indcurve3d.Value(n3d));
2932 regular.SetS1(Isurf,Standard_False);
2933 regular.SetS2(DStr.AddShape(TopoDS::Face(Fproj.Value(nb))));
2934 myRegul.Append(regular);
2940 // storage of curves in case of tangent free borders
2942 for (ic=0; ic<nedge;ic++) {
2943 Indices(nedge,ic,icplus,icmoins);
2945 ecom=TopoDS::Edge(Evive.Value(ic));
2946 if (ecom.IsSame(edgelibre1)||ecom.IsSame(edgelibre2)) {
2948 TopOpeBRepDS_Curve& tcourb1 = DStr.ChangeCurve(indcurve3d.Value(n3d));
2949 tcourb1.Tolerance(tcourb1.Tolerance()+apperror);
2950 Interfc=ChFi3d_FilCurveInDS(indcurve3d.Value(n3d),Isurf,
2951 PSurf.Curves2d()->Value(n3d),orien);
2952 DStr.ChangeSurfaceInterferences(Isurf).Append(Interfc);
2956 else { // there is only one partial result
2957 done=Standard_False;
2958 hasresult=Standard_True;
2959 for (ic=0; ic<nedge;ic++) {
2960 Indices(nedge,ic,icplus,icmoins);
2961 if (!oksea.Value(ic)) {
2962 if (sharp.Value(ic) &&!deuxconges) {
2963 // limitation of the alive edge
2964 TopAbs_Orientation ori;
2965 gp_Pnt Pf,Pl,sommet1;
2966 TopoDS_Vertex Vd = TopExp::FirstVertex(TopoDS::Edge(Evive.Value(ic)));
2967 TopoDS_Vertex Vf = TopExp::LastVertex(TopoDS::Edge(Evive.Value(ic)));
2968 Pf=BRep_Tool::Pnt(Vd);
2969 Pl=BRep_Tool::Pnt(Vf);
2970 sommet1=BRep_Tool::Pnt(V1);
2971 if (Pf.Distance(sommet1)<Pl.Distance(sommet1))
2972 ori = TopAbs_FORWARD;
2974 ori = TopAbs_REVERSED;
2975 Standard_Integer Iarc1=DStr.AddShape(TopoDS::Edge(Evive.Value(ic)));
2976 Interfp1=ChFi3d_FilPointInDS(ori,Iarc1,indpoint(ic,1),p.Value(ic,icplus));
2977 DStr.ChangeShapeInterferences(TopoDS::Edge(Evive.Value(ic))).Append(Interfp1);