b311480e |
1 | // Created on: 1995-10-23 |
2 | // Created by: Yves FRICAUD |
3 | // Copyright (c) 1995-1999 Matra Datavision |
4 | // Copyright (c) 1999-2012 OPEN CASCADE SAS |
5 | // |
6 | // The content of this file is subject to the Open CASCADE Technology Public |
7 | // License Version 6.5 (the "License"). You may not use the content of this file |
8 | // except in compliance with the License. Please obtain a copy of the License |
9 | // at http://www.opencascade.org and read it completely before using this file. |
10 | // |
11 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
12 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
13 | // |
14 | // The Original Code and all software distributed under the License is |
15 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
16 | // Initial Developer hereby disclaims all such warranties, including without |
17 | // limitation, any warranties of merchantability, fitness for a particular |
18 | // purpose or non-infringement. Please see the License for the specific terms |
19 | // and conditions governing the rights and limitations under the License. |
20 | |
7fd59977 |
21 | |
22 | #include <stdio.h> |
23 | |
24 | #include <BRepOffset_Tool.ixx> |
25 | |
26 | #include <BRepAlgo_Tool.hxx> |
27 | |
28 | #include <BRepAdaptor_Curve.hxx> |
29 | #include <BRepAdaptor_Surface.hxx> |
30 | #include <BRepAdaptor_HCurve.hxx> |
31 | #include <BRepAdaptor_HSurface.hxx> |
32 | |
33 | #include <BRepBndLib.hxx> |
34 | |
35 | #include <Bnd_Box2d.hxx> |
36 | #include <BndLib_Add3dCurve.hxx> |
37 | #include <BRep_Tool.hxx> |
38 | #include <BRepLib.hxx> |
39 | #include <BRepLib_MakeEdge.hxx> |
40 | #include <BRepLib_MakeVertex.hxx> |
41 | #include <BRepLib_MakePolygon.hxx> |
42 | #include <BRepLib_MakeFace.hxx> |
43 | #include <BRepLib_MakeWire.hxx> |
44 | #include <BRepTools.hxx> |
45 | #include <BRepTools_WireExplorer.hxx> |
46 | |
47 | #include <BRepTools_Modifier.hxx> |
48 | #include <BRepTools_TrsfModification.hxx> |
49 | #include <BRepTopAdaptor_FClass2d.hxx> |
50 | #include <BRepAdaptor_Curve.hxx> |
51 | #include <BRepAdaptor_Curve2d.hxx> |
52 | |
53 | #include <IntRes2d_IntersectionPoint.hxx> |
54 | #include <IntRes2d_IntersectionSegment.hxx> |
55 | #include <Extrema_ExtPC.hxx> |
56 | |
57 | #include <TopExp.hxx> |
58 | #include <TopExp_Explorer.hxx> |
59 | #include <TopAbs.hxx> |
60 | #include <Standard_ConstructionError.hxx> |
61 | |
62 | #include <TopOpeBRepBuild_Builder.hxx> |
63 | #include <TopOpeBRepDS_HDataStructure.hxx> |
64 | #include <TopOpeBRepDS_CurveExplorer.hxx> |
65 | #include <TopOpeBRep_DSFiller.hxx> |
66 | #include <TopOpeBRepTool_GeomTool.hxx> |
67 | #include <TopOpeBRep_ShapeIntersector.hxx> |
68 | #include <TopOpeBRep_FacesFiller.hxx> |
69 | #include <TopOpeBRep_GeomTool.hxx> |
70 | #include <TopoDS.hxx> |
71 | #include <TopoDS_Iterator.hxx> |
72 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
73 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> |
74 | |
75 | #include <Geom_Surface.hxx> |
76 | #include <Geom_RectangularTrimmedSurface.hxx> |
77 | #include <Geom_OffsetSurface.hxx> |
78 | #include <Geom_BezierSurface.hxx> |
79 | #include <Geom_BSplineSurface.hxx> |
80 | #include <Geom_ConicalSurface.hxx> |
81 | #include <Geom_Curve.hxx> |
82 | #include <Geom_Line.hxx> |
83 | #include <Geom_Conic.hxx> |
84 | #include <Geom_TrimmedCurve.hxx> |
85 | #include <GCPnts_QuasiUniformDeflection.hxx> |
86 | |
87 | #include <GeomLib.hxx> |
88 | #include <GeomAPI.hxx> |
89 | #include <GeomAPI_ProjectPointOnCurve.hxx> |
90 | #include <Geom2d_TrimmedCurve.hxx> |
91 | #include <Geom2d_Line.hxx> |
92 | #include <Geom2d_Curve.hxx> |
93 | #include <Geom2d_Circle.hxx> |
94 | #include <Geom2d_Ellipse.hxx> |
95 | #include <Geom2d_Parabola.hxx> |
96 | #include <Geom2d_Hyperbola.hxx> |
97 | #include <Geom2d_BezierCurve.hxx> |
98 | #include <Geom2d_BSplineCurve.hxx> |
99 | |
100 | #include <Geom2dAdaptor_Curve.hxx> |
101 | #include <Geom2dInt_GInter.hxx> |
102 | |
103 | #include <GeomAdaptor_Surface.hxx> |
104 | #include <GeomProjLib.hxx> |
105 | #include <GeomInt_IntSS.hxx> |
106 | #include <ProjLib_ProjectedCurve.hxx> |
107 | #include <ProjLib_HProjectedCurve.hxx> |
108 | |
109 | #include <ElSLib.hxx> |
110 | #include <ElCLib.hxx> |
111 | |
112 | #include <gp.hxx> |
113 | #include <gp_Pnt.hxx> |
114 | #include <gp_Vec.hxx> |
115 | |
116 | |
117 | #include <Precision.hxx> |
118 | #include <Standard_ConstructionError.hxx> |
119 | |
120 | #include <BRep_TEdge.hxx> |
121 | #include <Extrema_ExtPC2d.hxx> |
122 | |
123 | #include <Geom_SurfaceOfLinearExtrusion.hxx> |
124 | #include <Geom_SurfaceOfRevolution.hxx> |
125 | #include <GCPnts_AbscissaPoint.hxx> |
126 | |
127 | //tma: for new boolean operation |
128 | #include <TopTools_SequenceOfShape.hxx> |
129 | #include <BOPTools_DSFiller.hxx> |
130 | #include <Geom_BSplineCurve.hxx> |
131 | #include <GeomConvert_CompCurveToBSplineCurve.hxx> |
132 | #include <Geom2dConvert_CompCurveToBSplineCurve.hxx> |
133 | #include <GeomConvert_ApproxCurve.hxx> |
134 | #include <Geom2dConvert_ApproxCurve.hxx> |
135 | //#include <BRepAlgoAPI_Section.hxx> |
136 | #include <BooleanOperations_ShapesDataStructure.hxx> |
137 | #include <BOPTools_InterferencePool.hxx> |
138 | #include <BOPTools_SSInterference.hxx> |
139 | #include <BOPTools_SequenceOfCurves.hxx> |
140 | #include <BOPTools_Curve.hxx> |
141 | #include <BOPTools_ListOfPaveBlock.hxx> |
142 | #include <BOPTools_ListIteratorOfListOfPaveBlock.hxx> |
143 | #include <BOPTools_PaveBlock.hxx> |
144 | #include <BRepAlgoAPI_Section.hxx> |
145 | #include <BOPTools_SSIntersectionAttribute.hxx> |
146 | #include <BOPTools_PaveFiller.hxx> |
147 | #include <BOPTools_Tools2D.hxx> |
148 | #include <BOPTools_ListIteratorOfListOfPave.hxx> |
149 | #include <TopoDS_Compound.hxx> |
150 | #include <GCPnts_UniformAbscissa.hxx> |
151 | #include <BRep_ListIteratorOfListOfCurveRepresentation.hxx> |
152 | #include <BRep_CurveRepresentation.hxx> |
153 | |
154 | #include <BRepOffset_ListOfInterval.hxx> |
155 | #include <BRepOffset_Interval.hxx> |
156 | #include <TColgp_Array1OfPnt2d.hxx> |
157 | #include <ShapeCustom_Curve2d.hxx> |
158 | #include <GeomAPI_ExtremaCurveCurve.hxx> |
b311480e |
159 | |
7fd59977 |
160 | |
161 | #ifdef DRAW |
162 | #include <DBRep.hxx> |
163 | #endif |
164 | |
165 | #ifdef DEB |
166 | Standard_Boolean AffichInter = Standard_False; |
167 | static Standard_Boolean AffichExtent = Standard_False; |
168 | static Standard_Integer NbNewEdges = 1; |
169 | static Standard_Integer NbFaces = 1; |
170 | static Standard_Integer NbFOB = 1; |
171 | static Standard_Integer NbFTE = 1; |
172 | static Standard_Integer NbExtE = 1; |
173 | //POP pour NT |
174 | //char* name = new char[100]; |
175 | #endif |
176 | |
177 | |
178 | //======================================================================= |
179 | //function : EdgeVertices |
180 | //purpose : |
181 | //======================================================================= |
182 | |
183 | void BRepOffset_Tool::EdgeVertices (const TopoDS_Edge& E, |
184 | TopoDS_Vertex& V1, |
185 | TopoDS_Vertex& V2) |
186 | { |
187 | if (E.Orientation() == TopAbs_REVERSED) { |
188 | TopExp::Vertices(E,V2,V1); |
189 | } |
190 | else { |
191 | TopExp::Vertices(E,V1,V2); |
192 | } |
193 | } |
194 | |
195 | //======================================================================= |
196 | //function : OriEdgeInFace |
197 | //purpose : |
198 | //======================================================================= |
199 | |
200 | TopAbs_Orientation BRepOffset_Tool::OriEdgeInFace (const TopoDS_Edge& E, |
201 | const TopoDS_Face& F ) |
202 | |
203 | { |
7fd59977 |
204 | TopExp_Explorer Exp; |
205 | Exp.Init(F.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
206 | |
207 | for (; Exp.More() ;Exp.Next()) { |
208 | if (Exp.Current().IsSame(E)) { |
209 | return Exp.Current().Orientation(); |
210 | } |
211 | } |
212 | Standard_ConstructionError::Raise("BRepOffset_Tool::OriEdgeInFace"); |
213 | return E.Orientation(); |
214 | } |
215 | |
216 | |
217 | //======================================================================= |
218 | //function : FindPeriod |
219 | //purpose : |
220 | //======================================================================= |
221 | |
222 | static void FindPeriod (const TopoDS_Face& F, |
223 | Standard_Real& umin, |
224 | Standard_Real& umax, |
225 | Standard_Real& vmin, |
226 | Standard_Real& vmax) |
227 | { |
228 | |
229 | Bnd_Box2d B; |
230 | TopExp_Explorer exp; |
231 | for (exp.Init(F,TopAbs_EDGE); exp.More(); exp.Next()) { |
232 | const TopoDS_Edge& E = TopoDS::Edge(exp.Current()); |
233 | |
234 | Standard_Real pf,pl; |
235 | const Handle(Geom2d_Curve) C = BRep_Tool::CurveOnSurface(E,F,pf,pl); |
236 | if (C.IsNull()) return; |
237 | Geom2dAdaptor_Curve PC(C,pf,pl); |
238 | Standard_Real i, nbp = 20; |
239 | if (PC.GetType() == GeomAbs_Line) nbp = 2; |
240 | Standard_Real step = (pl - pf) / nbp; |
241 | gp_Pnt2d P; |
242 | PC.D0(pf,P); |
243 | B.Add(P); |
244 | for (i = 2; i < nbp; i++) { |
245 | pf += step; |
246 | PC.D0(pf,P); |
247 | B.Add(P); |
248 | } |
249 | PC.D0(pl,P); |
250 | B.Add(P); |
251 | B.Get(umin,vmin,umax,vmax); |
252 | } |
253 | } |
254 | |
255 | //======================================================================= |
256 | //function : PutInBounds |
257 | //purpose : Recadre la courbe 2d dans les bounds de la face |
258 | //======================================================================= |
259 | |
260 | static void PutInBounds (const TopoDS_Face& F, |
261 | const TopoDS_Edge& E, |
262 | Handle(Geom2d_Curve)& C2d) |
263 | { |
264 | Standard_Real umin,umax,vmin,vmax; |
265 | Standard_Real f,l; |
266 | BRep_Tool::Range(E,f,l); |
267 | |
268 | TopLoc_Location L; // Recup S avec la location pour eviter la copie. |
269 | Handle (Geom_Surface) S = BRep_Tool::Surface(F,L); |
270 | |
271 | if (S->IsInstance(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) { |
272 | S = (*(Handle_Geom_RectangularTrimmedSurface*)&S)->BasisSurface(); |
273 | } |
274 | //--------------- |
275 | // Recadre en U. |
276 | //--------------- |
277 | if (!S->IsUPeriodic() && !S->IsVPeriodic()) return; |
278 | |
279 | FindPeriod (F,umin,umax,vmin,vmax); |
280 | |
281 | if (S->IsUPeriodic()) { |
282 | Standard_Real period = S->UPeriod(); |
283 | Standard_Real eps = period*1.e-6; |
284 | gp_Pnt2d Pf = C2d->Value(f); |
285 | gp_Pnt2d Pl = C2d->Value(l); |
286 | gp_Pnt2d Pm = C2d->Value(0.34*f + 0.66*l); |
287 | Standard_Real minC = Min(Pf.X(),Pl.X()); minC = Min(minC,Pm.X()); |
288 | Standard_Real maxC = Max(Pf.X(),Pl.X()); maxC = Max(maxC,Pm.X()); |
289 | Standard_Real du = 0.; |
290 | if (minC< umin - eps) { |
291 | du = (int((umin - minC)/period) + 1)*period; |
292 | } |
293 | if (minC > umax + eps) { |
294 | du = -(int((minC - umax)/period) + 1)*period; |
295 | } |
296 | if (du != 0) { |
297 | gp_Vec2d T1(du,0.); |
298 | C2d->Translate(T1); |
299 | minC += du; maxC += du; |
300 | } |
301 | // Ajuste au mieux la courbe dans le domaine. |
302 | if (maxC > umax +100*eps) { |
303 | Standard_Real d1 = maxC - umax; |
304 | Standard_Real d2 = umin - minC + period; |
305 | if (d2 < d1) du =-period; |
306 | if ( du != 0.) { |
307 | gp_Vec2d T2(du,0.); |
308 | C2d->Translate(T2); |
309 | } |
310 | } |
311 | } |
312 | //------------------ |
313 | // Recadre en V. |
314 | //------------------ |
315 | if (S->IsVPeriodic()) { |
316 | Standard_Real period = S->VPeriod(); |
317 | Standard_Real eps = period*1.e-6; |
318 | gp_Pnt2d Pf = C2d->Value(f); |
319 | gp_Pnt2d Pl = C2d->Value(l); |
320 | gp_Pnt2d Pm = C2d->Value(0.34*f + 0.66*l); |
321 | Standard_Real minC = Min(Pf.Y(),Pl.Y()); minC = Min(minC,Pm.Y()); |
322 | Standard_Real maxC = Max(Pf.Y(),Pl.Y()); maxC = Max(maxC,Pm.Y()); |
323 | Standard_Real dv = 0.; |
324 | if (minC< vmin - eps) { |
325 | dv = (int((vmin - minC)/period) + 1)*period; |
326 | } |
327 | if (minC > vmax + eps) { |
328 | dv = -(int((minC - vmax)/period) + 1)*period; |
329 | } |
330 | if (dv != 0) { |
331 | gp_Vec2d T1(0.,dv); |
332 | C2d->Translate(T1); |
333 | minC += dv; maxC += dv; |
334 | } |
335 | // Ajuste au mieux la courbe dans le domaine. |
336 | if (maxC > vmax +100*eps) { |
337 | Standard_Real d1 = maxC - vmax; |
338 | Standard_Real d2 = vmin - minC + period; |
339 | if (d2 < d1) dv =-period; |
340 | if ( dv != 0.) { |
341 | gp_Vec2d T2(0.,dv); |
342 | C2d->Translate(T2); |
343 | } |
344 | } |
345 | } |
346 | } |
347 | |
348 | //======================================================================= |
349 | //function : Gabarit |
350 | //purpose : |
351 | //======================================================================= |
352 | |
353 | Standard_Real BRepOffset_Tool::Gabarit(const Handle(Geom_Curve)& aCurve) |
354 | { |
355 | GeomAdaptor_Curve GC( aCurve ); |
356 | Bnd_Box aBox; |
357 | BndLib_Add3dCurve::Add( GC, Precision::Confusion(), aBox ); |
358 | Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax, dist; |
359 | aBox.Get( aXmin, aYmin, aZmin, aXmax, aYmax, aZmax ); |
360 | dist = Max( (aXmax-aXmin), (aYmax-aYmin) ); |
361 | dist = Max( dist, (aZmax-aZmin) ); |
362 | return dist; |
363 | } |
364 | |
365 | //======================================================================= |
366 | //function : BuildPCurves |
367 | //purpose : |
368 | //======================================================================= |
369 | |
370 | static void BuildPCurves (const TopoDS_Edge& E, |
371 | const TopoDS_Face& F) |
372 | { |
373 | Standard_Real ff,ll; |
374 | Handle (Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface (E,F,ff,ll); |
375 | if (!C2d.IsNull()) return; |
376 | |
377 | //Standard_Real Tolerance = Max(Precision::Confusion(),BRep_Tool::Tolerance(E)); |
378 | Standard_Real Tolerance = Precision::Confusion(); |
379 | |
380 | BRepAdaptor_Surface AS(F,0); |
381 | BRepAdaptor_Curve AC(E); |
382 | |
383 | //Try to find pcurve on a bound of BSpline or Bezier surface |
384 | Handle( Geom_Surface ) theSurf = BRep_Tool::Surface( F ); |
385 | Handle( Standard_Type ) typS = theSurf->DynamicType(); |
386 | if (typS == STANDARD_TYPE(Geom_OffsetSurface)) |
387 | typS = (*((Handle(Geom_OffsetSurface)*)&theSurf))->BasisSurface()->DynamicType(); |
388 | if (typS == STANDARD_TYPE(Geom_BezierSurface) || typS == STANDARD_TYPE(Geom_BSplineSurface)) |
389 | { |
390 | gp_Pnt fpoint = AC.Value( AC.FirstParameter() ); |
391 | gp_Pnt lpoint = AC.Value( AC.LastParameter() ); |
1c72dff6 |
392 | TopoDS_Face theFace = BRepLib_MakeFace( theSurf, Precision::Confusion() ); |
7fd59977 |
393 | Standard_Real U1 = 0., U2 = 0., TolProj = 1.e-4; //1.e-5; |
394 | TopoDS_Edge theEdge; |
395 | TopExp_Explorer Explo; |
396 | Explo.Init( theFace, TopAbs_EDGE ); |
397 | for (; Explo.More(); Explo.Next()) |
398 | { |
399 | TopoDS_Edge anEdge = TopoDS::Edge( Explo.Current() ); |
400 | BRepAdaptor_Curve aCurve( anEdge ); |
401 | Extrema_ExtPC fextr( fpoint, aCurve ); |
402 | if (!fextr.IsDone() || fextr.NbExt() < 1) |
403 | continue; |
404 | Standard_Real dist2, dist2min = RealLast(); |
405 | Standard_Integer i; |
406 | for (i = 1; i <= fextr.NbExt(); i++) |
407 | { |
408 | dist2 = fextr.SquareDistance(i); |
409 | if (dist2 < dist2min) |
410 | { |
411 | dist2min = dist2; |
412 | U1 = fextr.Point(i).Parameter(); |
413 | } |
414 | } |
415 | if (dist2min > TolProj * TolProj) |
416 | continue; |
417 | Extrema_ExtPC lextr( lpoint, aCurve ); |
418 | if (!lextr.IsDone() || lextr.NbExt() <1) |
419 | continue; |
420 | dist2min = RealLast(); |
421 | for (i = 1; i <= lextr.NbExt(); i++) |
422 | { |
423 | dist2 = lextr.SquareDistance(i); |
424 | if (dist2 < dist2min) |
425 | { |
426 | dist2min = dist2; |
427 | U2 = lextr.Point(i).Parameter(); |
428 | } |
429 | } |
430 | if (dist2min <= TolProj * TolProj) |
431 | { |
432 | theEdge = anEdge; |
433 | break; |
434 | } |
435 | } // for (; Explo.More(); Explo.Current()) |
436 | |
437 | if (! theEdge.IsNull()) |
438 | { |
439 | //Construction of pcurve |
440 | if (U2 < U1) |
441 | { |
442 | Standard_Real temp = U1; |
443 | U1 = U2; |
444 | U2 = temp; |
445 | } |
446 | Standard_Real f, l; |
447 | C2d = BRep_Tool::CurveOnSurface( theEdge, theFace, f, l ); |
448 | C2d = new Geom2d_TrimmedCurve( C2d, U1, U2 ); |
449 | |
450 | if (theSurf->IsUPeriodic() || theSurf->IsVPeriodic()) |
451 | PutInBounds( F, E, C2d ); |
452 | |
453 | BRep_Builder B; |
454 | B.UpdateEdge( E, C2d, F, BRep_Tool::Tolerance(E) ); |
455 | BRepLib::SameRange( E ); |
456 | |
457 | return; |
458 | } |
459 | } // if (typS == ... |
460 | |
461 | Handle(BRepAdaptor_HSurface) HS = new BRepAdaptor_HSurface(AS); |
462 | Handle(BRepAdaptor_HCurve) HC = new BRepAdaptor_HCurve(AC); |
463 | |
464 | ProjLib_ProjectedCurve Proj(HS,HC,Tolerance); |
465 | |
466 | switch ( Proj.GetType()) { |
467 | |
468 | case GeomAbs_Line: |
469 | C2d = new Geom2d_Line(Proj.Line()); |
470 | break; |
471 | |
472 | case GeomAbs_Circle: |
473 | C2d = new Geom2d_Circle(Proj.Circle()); |
474 | break; |
475 | |
476 | case GeomAbs_Ellipse: |
477 | C2d = new Geom2d_Ellipse(Proj.Ellipse()); |
478 | break; |
479 | |
480 | case GeomAbs_Parabola: |
481 | C2d = new Geom2d_Parabola(Proj.Parabola()); |
482 | break; |
483 | |
484 | case GeomAbs_Hyperbola: |
485 | C2d = new Geom2d_Hyperbola(Proj.Hyperbola()); |
486 | break; |
487 | |
488 | case GeomAbs_BezierCurve: |
489 | C2d = Proj.Bezier(); |
490 | break; |
491 | |
492 | case GeomAbs_BSplineCurve: |
493 | C2d = Proj.BSpline(); |
494 | break; |
495 | #ifndef DEB |
496 | default: |
497 | break; |
498 | #endif |
499 | } |
500 | |
501 | if (AS.IsUPeriodic() || AS.IsVPeriodic()) { |
502 | PutInBounds(F,E,C2d); |
503 | } |
504 | if (!C2d.IsNull()) { |
505 | BRep_Builder B; |
506 | B.UpdateEdge (E,C2d,F,BRep_Tool::Tolerance(E)); |
507 | } |
508 | else { |
509 | Standard_ConstructionError::Raise("BRepOffset_Tool::BuildPCurves"); |
510 | cout <<"Echec ProjLib"<<endl; |
511 | } |
512 | } |
513 | |
514 | //======================================================================= |
515 | //function : OriSect |
516 | //purpose : |
517 | //======================================================================= |
518 | |
519 | void BRepOffset_Tool::OrientSection (const TopoDS_Edge& E, |
520 | const TopoDS_Face& F1, |
521 | const TopoDS_Face& F2, |
522 | TopAbs_Orientation& O1, |
523 | TopAbs_Orientation& O2) |
524 | { |
525 | TopLoc_Location L; |
526 | Standard_Real f,l; |
527 | |
528 | Handle (Geom_Surface) S1 = BRep_Tool::Surface(F1); |
529 | Handle (Geom_Surface) S2 = BRep_Tool::Surface(F2); |
530 | Handle (Geom2d_Curve) C1 = BRep_Tool::CurveOnSurface(E,F1,f,l); |
531 | Handle (Geom2d_Curve) C2 = BRep_Tool::CurveOnSurface(E,F2,f,l); |
532 | Handle (Geom_Curve) C = BRep_Tool::Curve(E,L,f,l); |
533 | |
534 | BRepAdaptor_Curve BAcurve( E ); |
535 | GCPnts_UniformAbscissa Distribution( BAcurve, 3 ); |
536 | Standard_Real ParOnC = Distribution.Parameter(2); //0.5*(f+l); |
537 | |
538 | gp_Vec T1 = C->DN(ParOnC,1).Transformed(L.Transformation()); |
539 | if (T1.SquareMagnitude() > gp::Resolution()) { |
540 | T1.Normalize(); |
541 | } |
542 | |
543 | gp_Pnt2d P = C1->Value(ParOnC); |
544 | gp_Pnt P3; |
545 | gp_Vec D1U,D1V; |
546 | |
547 | S1->D1(P.X(),P.Y(),P3,D1U,D1V); |
548 | gp_Vec DN1(D1U^D1V); |
549 | if (F1.Orientation() == TopAbs_REVERSED) DN1.Reverse(); |
550 | |
551 | P = C2->Value(ParOnC); |
552 | S2->D1(P.X(),P.Y(),P3,D1U,D1V); |
553 | gp_Vec DN2(D1U^D1V); |
554 | if (F2.Orientation() == TopAbs_REVERSED) DN2.Reverse(); |
555 | |
556 | gp_Vec ProVec = DN2^T1; |
557 | Standard_Real Prod = DN1.Dot(ProVec); |
558 | if (Prod < 0.0) { |
559 | O1 = TopAbs_FORWARD; |
560 | } |
561 | else { |
562 | O1 = TopAbs_REVERSED; |
563 | } |
564 | ProVec = DN1^T1; |
565 | Prod = DN2.Dot(ProVec); |
566 | if (Prod < 0.0) { |
567 | O2 = TopAbs_FORWARD; |
568 | } |
569 | else { |
570 | O2 = TopAbs_REVERSED; |
571 | } |
572 | if (F1.Orientation() == TopAbs_REVERSED) O1 = TopAbs::Reverse(O1); |
573 | if (F2.Orientation() == TopAbs_REVERSED) O2 = TopAbs::Reverse(O2); |
574 | } |
575 | |
576 | //======================================================================= |
577 | //function : HasCommonShape |
578 | //purpose : |
579 | //======================================================================= |
580 | |
581 | Standard_Boolean BRepOffset_Tool::HasCommonShapes (const TopoDS_Face& F1, |
582 | const TopoDS_Face& F2, |
583 | TopTools_ListOfShape& LE, |
584 | TopTools_ListOfShape& LV) |
585 | { |
586 | Standard_Boolean Common = Standard_False; |
587 | LE.Clear(); LV.Clear(); |
588 | |
589 | TopExp_Explorer exp1; |
590 | exp1.Init(F1,TopAbs_EDGE); |
591 | |
592 | for (; exp1.More(); exp1.Next()) { |
593 | TopExp_Explorer exp2; |
594 | exp2.Init(F2,TopAbs_EDGE); |
595 | for (; exp2.More(); exp2.Next()) { |
596 | if (exp1.Current().IsSame(exp2.Current())) { |
597 | Common = Standard_True; |
598 | LE.Append(exp1.Current()); |
599 | } |
600 | } |
601 | } |
602 | for (exp1.Init(F1,TopAbs_VERTEX); exp1.More(); exp1.Next()) { |
603 | TopExp_Explorer exp2; |
604 | exp2.Init(F2,TopAbs_EDGE); |
605 | for (exp2.Init(F2,TopAbs_VERTEX); exp2.More(); exp2.Next()) { |
606 | if (exp1.Current().IsSame(exp2.Current())) { |
607 | Common = Standard_True; |
608 | LV.Append(exp1.Current()); |
609 | } |
610 | } |
611 | } |
612 | return Common; |
613 | } |
614 | |
615 | //======================================================================= |
616 | //function : ToSmall |
617 | //purpose : |
618 | //======================================================================= |
619 | |
620 | static Standard_Boolean ToSmall (const Handle(Geom_Curve)& C) |
621 | { |
622 | Standard_Real Tol = 10*Precision::Confusion(); |
623 | Standard_Real m = (C->FirstParameter()*0.668 + C->LastParameter()*0.332); |
624 | gp_Pnt P1 = C->Value(C->FirstParameter()); |
625 | gp_Pnt P2 = C->Value(C->LastParameter()); |
626 | gp_Pnt P3 = C->Value(m); |
627 | if (P1.Distance(P2) > Tol) return Standard_False; |
628 | if (P2.Distance(P3) > Tol) return Standard_False; |
629 | return Standard_True; |
630 | } |
631 | |
632 | |
633 | //======================================================================= |
634 | //function : IsOnSurface |
635 | //purpose : |
636 | //======================================================================= |
637 | |
638 | static Standard_Boolean IsOnSurface(const Handle(Geom_Curve)& C, |
639 | const Handle(Geom_Surface)& S, |
640 | Standard_Real TolConf, |
641 | Standard_Real& TolReached) |
642 | { |
643 | Standard_Real f = C->FirstParameter(); |
644 | Standard_Real l = C->LastParameter(); |
645 | Standard_Integer n = 5; |
646 | Standard_Real du = (f-l)/(n-1); |
647 | TolReached = 0.; |
648 | |
649 | gp_Pnt P; |
650 | Standard_Real U,V; |
651 | |
652 | GeomAdaptor_Surface AS(S); |
653 | |
654 | switch ( AS.GetType()) { |
655 | case GeomAbs_Plane: |
656 | { |
657 | gp_Ax3 Ax = AS.Plane().Position(); |
658 | for ( Standard_Integer i = 0; i < n; i++) { |
659 | P = C->Value(f+i*du); |
660 | ElSLib::PlaneParameters(Ax,P,U,V); |
661 | TolReached = P.Distance(ElSLib::PlaneValue(U,V,Ax)); |
662 | if ( TolReached > TolConf) |
663 | return Standard_False; |
664 | } |
665 | break; |
666 | } |
667 | case GeomAbs_Cylinder: |
668 | { |
669 | gp_Ax3 Ax = AS.Cylinder().Position(); |
670 | Standard_Real Rad = AS.Cylinder().Radius(); |
671 | for ( Standard_Integer i = 0; i < n; i++) { |
672 | P = C->Value(f+i*du); |
673 | ElSLib::CylinderParameters(Ax,Rad,P,U,V); |
674 | TolReached = P.Distance(ElSLib::CylinderValue(U,V,Ax,Rad)); |
675 | if ( TolReached > TolConf) |
676 | return Standard_False; |
677 | } |
678 | break; |
679 | } |
680 | case GeomAbs_Cone: |
681 | { |
682 | gp_Ax3 Ax = AS.Cone().Position(); |
683 | Standard_Real Rad = AS.Cone().RefRadius(); |
684 | Standard_Real Alp = AS.Cone().SemiAngle(); |
685 | for ( Standard_Integer i = 0; i < n; i++) { |
686 | P = C->Value(f+i*du); |
687 | ElSLib::ConeParameters(Ax,Rad,Alp,P,U,V); |
688 | TolReached = P.Distance(ElSLib::ConeValue(U,V,Ax,Rad,Alp)); |
689 | if ( TolReached > TolConf) |
690 | return Standard_False; |
691 | } |
692 | break; |
693 | } |
694 | case GeomAbs_Sphere: |
695 | { |
696 | gp_Ax3 Ax = AS.Sphere().Position(); |
697 | Standard_Real Rad = AS.Sphere().Radius(); |
698 | for ( Standard_Integer i = 0; i < n; i++) { |
699 | P = C->Value(f+i*du); |
700 | ElSLib::SphereParameters(Ax,Rad,P,U,V); |
701 | TolReached = P.Distance(ElSLib::SphereValue(U,V,Ax,Rad)); |
702 | if ( TolReached > TolConf) |
703 | return Standard_False; |
704 | } |
705 | break; |
706 | } |
707 | case GeomAbs_Torus: |
708 | { |
709 | gp_Ax3 Ax = AS.Torus().Position(); |
710 | Standard_Real R1 = AS.Torus().MajorRadius(); |
711 | Standard_Real R2 = AS.Torus().MinorRadius(); |
712 | for ( Standard_Integer i = 0; i < n; i++) { |
713 | P = C->Value(f+i*du); |
714 | ElSLib::TorusParameters(Ax,R1,R2,P,U,V); |
715 | TolReached = P.Distance(ElSLib::TorusValue(U,V,Ax,R1,R2)); |
716 | if ( TolReached > TolConf) |
717 | return Standard_False; |
718 | } |
719 | break; |
720 | } |
721 | |
722 | default: |
723 | { |
724 | return Standard_False; |
725 | } |
726 | } |
727 | |
728 | return Standard_True; |
729 | } |
730 | |
731 | |
732 | //======================================================================= |
733 | //function : PipeInter |
734 | //purpose : |
735 | //======================================================================= |
736 | |
737 | void BRepOffset_Tool::PipeInter(const TopoDS_Face& F1, |
738 | const TopoDS_Face& F2, |
739 | TopTools_ListOfShape& L1, |
740 | TopTools_ListOfShape& L2, |
741 | const TopAbs_State Side) |
742 | { |
743 | #ifdef DRAW |
744 | if (AffichInter) { |
745 | // POP pour NT |
746 | char* name = new char[100]; |
747 | sprintf(name,"FF_%d",NbFaces++); |
748 | DBRep::Set(name,F1); |
749 | sprintf(name,"FF_%d",NbFaces++); |
750 | DBRep::Set(name,F2); |
751 | } |
752 | #endif |
753 | |
754 | Handle (Geom_Curve) CI; |
755 | TopoDS_Edge E; |
756 | TopAbs_Orientation O1,O2; |
757 | L1.Clear(); L2.Clear(); |
758 | BRep_Builder B; |
759 | Handle (Geom_Surface) S1 = BRep_Tool::Surface(F1); |
760 | Handle (Geom_Surface) S2 = BRep_Tool::Surface(F2); |
761 | |
762 | GeomInt_IntSS Inter (S1,S2, Precision::Confusion(),1,1,1); |
763 | |
764 | if (Inter.IsDone()) { |
765 | for (Standard_Integer i = 1; i <= Inter.NbLines(); i++) { |
766 | CI = Inter.Line(i); |
767 | if (ToSmall(CI)) continue; |
768 | TopoDS_Edge E = BRepLib_MakeEdge(CI); |
769 | if (Inter.HasLineOnS1(i)) { |
770 | Handle(Geom2d_Curve) C2 = Inter.LineOnS1(i); |
771 | PutInBounds (F1,E,C2); |
772 | B.UpdateEdge (E,C2,F1,BRep_Tool::Tolerance(E)); |
773 | } |
774 | else { |
775 | BuildPCurves (E,F1); |
776 | } |
777 | if (Inter.HasLineOnS2(i)) { |
778 | Handle(Geom2d_Curve) C2 = Inter.LineOnS2(i); |
779 | PutInBounds (F2,E,C2); |
780 | B.UpdateEdge (E,C2,F2,BRep_Tool::Tolerance(E)); |
781 | } |
782 | else { |
783 | BuildPCurves (E,F2); |
784 | } |
785 | OrientSection (E,F1,F2,O1,O2); |
786 | if (Side == TopAbs_OUT) { |
787 | O1 = TopAbs::Reverse(O1); |
788 | O2 = TopAbs::Reverse(O2); |
789 | } |
790 | L1.Append (E.Oriented(O1)); |
791 | L2.Append (E.Oriented(O2)); |
792 | #ifdef DRAW |
793 | if (AffichInter) { |
794 | // POP pour NT |
795 | char* name = new char[100]; |
796 | sprintf(name,"EI_%d",NbNewEdges++); |
797 | DBRep::Set(name,E.Oriented(O1)); |
798 | } |
799 | #endif |
800 | } |
801 | } |
802 | } |
803 | |
804 | |
805 | //======================================================================= |
806 | //function : IsAutonomVertex |
807 | //purpose : Checks wether a vertex is "autonom" or not |
808 | //======================================================================= |
809 | |
810 | static Standard_Boolean IsAutonomVertex(const TopoDS_Shape& aVertex, |
811 | const TopoDS_Shape& F1, |
812 | const TopoDS_Shape& F2, |
813 | const BooleanOperations_ShapesDataStructure& theDS, |
814 | const BOPTools_PaveFiller& thePaveFiller) |
815 | { |
816 | Standard_Integer i, index = theDS.ShapeIndex( aVertex, 1 ); |
817 | if (index == 0) |
818 | { |
819 | index = theDS.ShapeIndex( aVertex, 2 ); |
820 | if (index == 0) |
821 | { |
822 | for (i = theDS.NumberOfSourceShapes()+1; i <= theDS.NumberOfInsertedShapes(); i++) |
823 | { |
824 | const TopoDS_Shape& aShape = theDS.GetShape(i); |
825 | if (aVertex.IsSame(aShape)) |
826 | { |
827 | index = i; |
828 | break; |
829 | } |
830 | } |
831 | } |
832 | } |
833 | |
834 | Standard_Integer indF1 = theDS.ShapeIndex( F1, 1 ); |
835 | Standard_Integer indF2 = theDS.ShapeIndex( F2, 2 ); |
836 | |
837 | BooleanOperations_KindOfInterference theTypeInterf; |
838 | const BOPTools_PavePool& thePavePool = thePaveFiller.PavePool(); |
839 | BOPTools_ListIteratorOfListOfPave itpave; |
840 | for (i = 1; i <= thePavePool.Length(); i++) |
841 | { |
842 | const BOPTools_ListOfPave& aPaveList = thePavePool(i).Set(); |
843 | for (itpave.Initialize( aPaveList ); itpave.More(); itpave.Next()) |
844 | { |
845 | BOPTools_Pave aPave = itpave.Value(); |
846 | if (aPave.Index() == index) |
847 | { |
848 | theTypeInterf = aPave.Type(); |
849 | if (theTypeInterf != BooleanOperations_SurfaceSurface && |
850 | theTypeInterf != BooleanOperations_UnknownInterference) |
851 | return Standard_False; |
852 | } |
853 | } |
854 | } |
855 | |
856 | BOPTools_PaveFiller * pPF = (BOPTools_PaveFiller*) &thePaveFiller; |
857 | BOPTools_PaveFiller& thePF = *pPF; |
858 | BOPTools_CArray1OfSSInterference& aFFs = thePF.InterfPool()->SSInterferences(); |
859 | Standard_Integer aNbFFs=aFFs.Extent(); |
860 | for (i = 1; i <= aNbFFs; i++) |
861 | { |
862 | BOPTools_SSInterference& aFFi = aFFs(i); |
863 | |
864 | if (aFFi.Index1() == indF1 && aFFi.Index2() == indF2) |
865 | { |
866 | const BOPTools_ListOfPave& aPaveList = aFFi.NewPaveSet().Set(); |
867 | for (itpave.Initialize( aPaveList ); itpave.More(); itpave.Next()) |
868 | { |
869 | BOPTools_Pave aPave = itpave.Value(); |
870 | if (aPave.Index() == index) |
871 | { |
872 | theTypeInterf = aPave.Type(); |
873 | if (theTypeInterf != BooleanOperations_SurfaceSurface && |
874 | theTypeInterf != BooleanOperations_UnknownInterference) |
875 | return Standard_False; |
876 | } |
877 | } |
878 | } |
879 | } |
880 | |
881 | return Standard_True; |
882 | } |
883 | |
884 | |
885 | //======================================================================= |
886 | //function : AreConnex |
887 | //purpose : define if two shapes are connex by a vertex (vertices) |
888 | //======================================================================= |
889 | |
890 | static Standard_Boolean AreConnex(const TopoDS_Wire& W1, |
891 | const TopoDS_Wire& W2, |
892 | const TopoDS_Shape& F1, |
893 | const TopoDS_Shape& F2, |
894 | const BOPTools_DSFiller* pDF) |
895 | { |
896 | TopoDS_Vertex V11, V12, V21, V22; |
897 | TopExp::Vertices( W1, V11, V12 ); |
898 | TopExp::Vertices( W2, V21, V22 ); |
899 | |
900 | if (V11.IsSame(V21) || V11.IsSame(V22) || |
901 | V12.IsSame(V21) || V12.IsSame(V22)) |
902 | { |
903 | Standard_Boolean isCV1 = V11.IsSame(V21) || V11.IsSame(V22); |
904 | Standard_Boolean isCV2 = V12.IsSame(V21) || V12.IsSame(V22); |
905 | if (isCV1 && !IsAutonomVertex(V11, F1, F2, pDF->DS(), pDF->PaveFiller())) |
906 | { |
907 | if (!isCV2) |
908 | return Standard_False; |
909 | if (!IsAutonomVertex(V12, F1, F2, pDF->DS(), pDF->PaveFiller())) |
910 | return Standard_False; |
911 | } |
912 | if (!isCV1 && !IsAutonomVertex(V12, F1, F2, pDF->DS(), pDF->PaveFiller())) |
913 | return Standard_False; |
914 | |
915 | TopoDS_Vertex CV = (V11.IsSame(V21) || V11.IsSame(V22))? V11 : V12; |
916 | TopoDS_Edge E1, E2; |
917 | TopoDS_Iterator itw( W1 ); |
918 | for (; itw.More(); itw.Next()) |
919 | { |
920 | E1 = TopoDS::Edge(itw.Value()); |
921 | TopoDS_Vertex V1, V2; |
922 | TopExp::Vertices( E1, V1, V2 ); |
923 | if (V1.IsSame(CV) || V2.IsSame(CV)) |
924 | break; |
925 | } |
926 | itw.Initialize( W2 ); |
927 | E2 = TopoDS::Edge(itw.Value()); |
928 | |
929 | Standard_Real f, l; |
930 | Handle(Geom_Curve) C1 = BRep_Tool::Curve( E1, f, l ); |
931 | if (C1->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
932 | C1 = (*((Handle(Geom_TrimmedCurve)*)&C1))->BasisCurve(); |
933 | |
934 | Handle(Geom_Curve) C2 = BRep_Tool::Curve( E2, f, l ); |
935 | if (C2->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
936 | C2 = (*((Handle(Geom_TrimmedCurve)*)&C2))->BasisCurve(); |
937 | |
938 | if (C1->IsInstance(STANDARD_TYPE(Geom_Line)) && |
939 | C2->IsInstance(STANDARD_TYPE(Geom_Line))) |
940 | { |
941 | Handle(Geom_Line) L1 = *((Handle(Geom_Line)*) &C1); |
942 | gp_Ax1 Axis1 = L1->Position(); |
943 | Handle(Geom_Line) L2 = *((Handle(Geom_Line)*) &C2); |
944 | gp_Ax1 Axis2 = L2->Position(); |
945 | if (! Axis1.IsParallel( Axis2, Precision::Angular() )) |
946 | return Standard_False; |
947 | } |
948 | |
949 | return Standard_True; |
950 | } |
951 | |
952 | return Standard_False; |
953 | } |
954 | |
955 | //======================================================================= |
956 | //function : AreClosed |
957 | //purpose : define if two edges are connex by two vertices |
958 | //======================================================================= |
959 | |
960 | static Standard_Boolean AreClosed(const TopoDS_Edge& E1, |
961 | const TopoDS_Edge& E2) |
962 | { |
963 | TopoDS_Vertex V11, V12, V21, V22; |
964 | TopExp::Vertices( E1, V11, V12 ); |
965 | TopExp::Vertices( E2, V21, V22 ); |
966 | |
967 | if (V11.IsSame(V21) && V12.IsSame(V22) || |
968 | V11.IsSame(V22) && V12.IsSame(V21)) |
969 | return Standard_True; |
970 | |
971 | return Standard_False; |
972 | } |
973 | |
974 | //======================================================================= |
975 | //function : BSplineEdges |
976 | //purpose : |
977 | //======================================================================= |
978 | |
979 | static Standard_Boolean BSplineEdges(const TopoDS_Edge& E1, |
980 | const TopoDS_Edge& E2, |
981 | const Standard_Integer par1, |
982 | const Standard_Integer par2, |
983 | Standard_Real& angle) |
984 | { |
985 | Standard_Real first1, last1, first2, last2, Param1, Param2; |
986 | |
987 | Handle(Geom_Curve) C1 = BRep_Tool::Curve( E1, first1, last1 ); |
988 | if (C1->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
989 | C1 = (*((Handle(Geom_TrimmedCurve)*)&C1))->BasisCurve(); |
990 | |
991 | Handle(Geom_Curve) C2 = BRep_Tool::Curve( E2, first2, last2 ); |
992 | if (C2->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
993 | C2 = (*((Handle(Geom_TrimmedCurve)*)&C2))->BasisCurve(); |
994 | |
995 | if (!C1->IsInstance(STANDARD_TYPE(Geom_BSplineCurve)) || |
996 | !C2->IsInstance(STANDARD_TYPE(Geom_BSplineCurve))) |
997 | return Standard_False; |
998 | |
999 | Param1 = (par1 == 0)? first1 : last1; |
1000 | Param2 = (par2 == 0)? first2 : last2; |
1001 | |
1002 | gp_Pnt Pnt1, Pnt2; |
1003 | gp_Vec Der1, Der2; |
1004 | C1->D1( Param1, Pnt1, Der1 ); |
1005 | C2->D1( Param2, Pnt2, Der2 ); |
1006 | |
1007 | if (Der1.Magnitude() <= gp::Resolution() || |
1008 | Der2.Magnitude() <= gp::Resolution()) |
c6541a0c |
1009 | angle = M_PI/2.; |
7fd59977 |
1010 | else |
1011 | angle = Der1.Angle(Der2); |
1012 | |
1013 | return Standard_True; |
1014 | } |
1015 | |
1016 | //======================================================================= |
1017 | //function : AngleWireEdge |
1018 | //purpose : |
1019 | //======================================================================= |
1020 | |
1021 | static Standard_Real AngleWireEdge(const TopoDS_Wire& aWire, |
1022 | const TopoDS_Edge& anEdge) |
1023 | { |
1024 | TopoDS_Vertex V11, V12, V21, V22, CV; |
1025 | TopExp::Vertices( aWire, V11, V12 ); |
1026 | TopExp::Vertices( anEdge, V21, V22 ); |
1027 | CV = (V11.IsSame(V21) || V11.IsSame(V22))? V11 : V12; |
1028 | TopoDS_Edge FirstEdge; |
1029 | TopoDS_Iterator itw(aWire); |
1030 | for (; itw.More(); itw.Next()) |
1031 | { |
1032 | FirstEdge = TopoDS::Edge(itw.Value()); |
1033 | TopoDS_Vertex v1, v2; |
1034 | TopExp::Vertices( FirstEdge, v1, v2 ); |
1035 | if (v1.IsSame(CV) || v2.IsSame(CV)) |
1036 | { |
1037 | V11 = v1; |
1038 | V12 = v2; |
1039 | break; |
1040 | } |
1041 | } |
1042 | Standard_Real Angle; |
1043 | if (V11.IsSame(CV) && V21.IsSame(CV)) |
1044 | { |
1045 | BSplineEdges( FirstEdge, anEdge, 0, 0, Angle ); |
c6541a0c |
1046 | Angle = M_PI - Angle; |
7fd59977 |
1047 | } |
1048 | else if (V11.IsSame(CV) && V22.IsSame(CV)) |
1049 | BSplineEdges( FirstEdge, anEdge, 0, 1, Angle ); |
1050 | else if (V12.IsSame(CV) && V21.IsSame(CV)) |
1051 | BSplineEdges( FirstEdge, anEdge, 1, 0, Angle ); |
1052 | else |
1053 | { |
1054 | BSplineEdges( FirstEdge, anEdge, 1, 1, Angle ); |
c6541a0c |
1055 | Angle = M_PI - Angle; |
7fd59977 |
1056 | } |
1057 | return Angle; |
1058 | } |
1059 | |
1060 | |
1061 | //======================================================================= |
1062 | //function : ReconstructPCurves |
1063 | //purpose : |
1064 | //======================================================================= |
1065 | |
1066 | static void ReconstructPCurves(const TopoDS_Edge& anEdge) |
1067 | { |
1068 | Standard_Real f, l; |
1069 | Handle(Geom_Curve) C3d = BRep_Tool::Curve(anEdge, f, l); |
1070 | |
1071 | BRep_ListIteratorOfListOfCurveRepresentation |
1072 | itcr( (Handle(BRep_TEdge)::DownCast(anEdge.TShape()))->ChangeCurves() ); |
1073 | for (; itcr.More(); itcr.Next()) |
1074 | { |
1075 | Handle( BRep_CurveRepresentation ) CurveRep = itcr.Value(); |
1076 | if (CurveRep->IsCurveOnSurface()) |
1077 | { |
1078 | Handle(Geom_Surface) theSurf = CurveRep->Surface(); |
1079 | TopLoc_Location theLoc = CurveRep->Location(); |
1080 | theLoc = anEdge.Location() * theLoc; |
1081 | theSurf = Handle(Geom_Surface)::DownCast |
1082 | (theSurf->Transformed(theLoc.Transformation())); |
1083 | Handle(Geom2d_Curve) ProjPCurve = |
1084 | GeomProjLib::Curve2d( C3d, f, l, theSurf ); |
1085 | CurveRep->PCurve( ProjPCurve ); |
1086 | } |
1087 | } |
1088 | } |
1089 | |
1090 | //======================================================================= |
1091 | //function : ConcatPCurves |
1092 | //purpose : |
1093 | //======================================================================= |
1094 | |
1095 | static Handle(Geom2d_Curve) ConcatPCurves(const TopoDS_Edge& E1, |
1096 | const TopoDS_Edge& E2, |
1097 | const TopoDS_Face& F, |
1098 | const Standard_Boolean After, |
1099 | Standard_Real& newFirst, |
1100 | Standard_Real& newLast) |
1101 | { |
1102 | Standard_Real Tol = 1.e-7; |
1103 | GeomAbs_Shape Continuity = GeomAbs_C1; |
1104 | Standard_Integer MaxDeg = 14; |
1105 | Standard_Integer MaxSeg = 16; |
1106 | |
1107 | Standard_Real first1, last1, first2, last2; |
1108 | Handle(Geom2d_Curve) PCurve1, PCurve2, newPCurve; |
1109 | |
1110 | PCurve1 = BRep_Tool::CurveOnSurface( E1, F, first1, last1 ); |
1111 | if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_TrimmedCurve))) |
1112 | PCurve1 = (*((Handle(Geom2d_TrimmedCurve)*)&PCurve1))->BasisCurve(); |
1113 | |
1114 | PCurve2 = BRep_Tool::CurveOnSurface( E2, F, first2, last2 ); |
1115 | if (PCurve2->IsInstance(STANDARD_TYPE(Geom2d_TrimmedCurve))) |
1116 | PCurve2 = (*((Handle(Geom2d_TrimmedCurve)*)&PCurve2))->BasisCurve(); |
1117 | |
1118 | if (PCurve1 == PCurve2) |
1119 | { |
1120 | newPCurve = PCurve1; |
1121 | newFirst = Min( first1, first2 ); |
1122 | newLast = Max( last1, last2 ); |
1123 | } |
1124 | else if (PCurve1->DynamicType() == PCurve2->DynamicType() && |
1125 | (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Line)) || |
1126 | PCurve1->IsKind(STANDARD_TYPE(Geom2d_Conic)))) |
1127 | { |
1128 | newPCurve = PCurve1; |
1129 | gp_Pnt2d P1, P2; |
1130 | P1 = PCurve2->Value( first2 ); |
1131 | P2 = PCurve2->Value( last2 ); |
1132 | if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Line))) |
1133 | { |
1134 | Handle(Geom2d_Line) Lin1 = *((Handle(Geom2d_Line)*) &PCurve1); |
1135 | gp_Lin2d theLin = Lin1->Lin2d(); |
1136 | first2 = ElCLib::Parameter( theLin, P1 ); |
1137 | last2 = ElCLib::Parameter( theLin, P2 ); |
1138 | } |
1139 | else if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Circle))) |
1140 | { |
1141 | Handle(Geom2d_Circle) Circ1 = *((Handle(Geom2d_Circle)*) &PCurve1); |
1142 | gp_Circ2d theCirc = Circ1->Circ2d(); |
1143 | first2 = ElCLib::Parameter( theCirc, P1 ); |
1144 | last2 = ElCLib::Parameter( theCirc, P2 ); |
1145 | } |
1146 | else if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Ellipse))) |
1147 | { |
1148 | Handle(Geom2d_Ellipse) Ell1 = *((Handle(Geom2d_Ellipse)*) &PCurve1); |
1149 | gp_Elips2d theElips = Ell1->Elips2d(); |
1150 | first2 = ElCLib::Parameter( theElips, P1 ); |
1151 | last2 = ElCLib::Parameter( theElips, P2 ); |
1152 | } |
1153 | else if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Parabola))) |
1154 | { |
1155 | Handle(Geom2d_Parabola) Parab1 = *((Handle(Geom2d_Parabola)*) &PCurve1); |
1156 | gp_Parab2d theParab = Parab1->Parab2d(); |
1157 | first2 = ElCLib::Parameter( theParab, P1 ); |
1158 | last2 = ElCLib::Parameter( theParab, P2 ); |
1159 | } |
1160 | else if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Hyperbola))) |
1161 | { |
1162 | Handle(Geom2d_Hyperbola) Hypr1 = *((Handle(Geom2d_Hyperbola)*) &PCurve1); |
1163 | gp_Hypr2d theHypr = Hypr1->Hypr2d(); |
1164 | first2 = ElCLib::Parameter( theHypr, P1 ); |
1165 | last2 = ElCLib::Parameter( theHypr, P2 ); |
1166 | } |
1167 | newFirst = Min( first1, first2 ); |
1168 | newLast = Max( last1, last2 ); |
1169 | } |
1170 | else |
1171 | { |
1172 | Handle(Geom2d_TrimmedCurve) TC1 = new Geom2d_TrimmedCurve( PCurve1, first1, last1 ); |
1173 | Handle(Geom2d_TrimmedCurve) TC2 = new Geom2d_TrimmedCurve( PCurve2, first2, last2 ); |
1174 | Geom2dConvert_CompCurveToBSplineCurve Concat2d( TC1 ); |
1175 | Concat2d.Add( TC2, Precision::Confusion(), After ); |
1176 | newPCurve = Concat2d.BSplineCurve(); |
1177 | if (newPCurve->Continuity() < GeomAbs_C1) |
1178 | { |
1179 | Geom2dConvert_ApproxCurve Approx2d( newPCurve, Tol, Continuity, MaxSeg, MaxDeg ); |
1180 | if (Approx2d.HasResult()) |
1181 | newPCurve = Approx2d.Curve(); |
1182 | } |
1183 | newFirst = newPCurve->FirstParameter(); |
1184 | newLast = newPCurve->LastParameter(); |
1185 | } |
1186 | |
1187 | return newPCurve; |
1188 | } |
1189 | |
1190 | //======================================================================= |
1191 | //function : Glue |
1192 | //purpose : glue two edges. |
1193 | //======================================================================= |
1194 | |
1195 | static TopoDS_Edge Glue(const TopoDS_Edge& E1, |
1196 | const TopoDS_Edge& E2, |
1197 | const TopoDS_Vertex& Vfirst, |
1198 | const TopoDS_Vertex& Vlast, |
1199 | const Standard_Boolean After, |
1200 | const TopoDS_Face& F1, |
1201 | const Standard_Boolean addPCurve1, |
1202 | const TopoDS_Face& F2, |
1203 | const Standard_Boolean addPCurve2) |
1204 | { |
1205 | Standard_Real Tol = 1.e-7; |
1206 | GeomAbs_Shape Continuity = GeomAbs_C1; |
1207 | Standard_Integer MaxDeg = 14; |
1208 | Standard_Integer MaxSeg = 16; |
1209 | |
1210 | Handle(Geom_Curve) C1, C2, newCurve; |
1211 | Handle(Geom2d_Curve) PCurve1, PCurve2, newPCurve; |
1212 | Standard_Real first1, last1, first2, last2, fparam=0., lparam=0.; |
1213 | Standard_Boolean IsCanonic = Standard_False; |
1214 | |
1215 | C1 = BRep_Tool::Curve( E1, first1, last1 ); |
1216 | if (C1->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
1217 | C1 = (*((Handle(Geom_TrimmedCurve)*)&C1))->BasisCurve(); |
1218 | |
1219 | C2 = BRep_Tool::Curve( E2, first2, last2 ); |
1220 | if (C2->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
1221 | C2 = (*((Handle(Geom_TrimmedCurve)*)&C2))->BasisCurve(); |
1222 | |
1223 | if (C1 == C2) |
1224 | { |
1225 | newCurve = C1; |
1226 | fparam = Min( first1, first2 ); |
1227 | lparam = Max( last1, last2 ); |
1228 | } |
1229 | else if (C1->DynamicType() == C2->DynamicType() && |
1230 | (C1->IsInstance(STANDARD_TYPE(Geom_Line)) || |
1231 | C1->IsKind(STANDARD_TYPE(Geom_Conic)))) |
1232 | { |
1233 | IsCanonic = Standard_True; |
1234 | newCurve = C1; |
1235 | } |
1236 | else |
1237 | { |
1238 | Handle(Geom_TrimmedCurve) TC1 = new Geom_TrimmedCurve( C1, first1, last1 ); |
1239 | Handle(Geom_TrimmedCurve) TC2 = new Geom_TrimmedCurve( C2, first2, last2 ); |
1240 | GeomConvert_CompCurveToBSplineCurve Concat( TC1 ); |
1241 | Concat.Add( TC2, Precision::Confusion(), After ); |
1242 | newCurve = Concat.BSplineCurve(); |
1243 | if (newCurve->Continuity() < GeomAbs_C1) |
1244 | { |
1245 | GeomConvert_ApproxCurve Approx3d( newCurve, Tol, Continuity, MaxSeg, MaxDeg ); |
1246 | if (Approx3d.HasResult()) |
1247 | newCurve = Approx3d.Curve(); |
1248 | } |
1249 | fparam = newCurve->FirstParameter(); |
1250 | lparam = newCurve->LastParameter(); |
1251 | } |
1252 | |
1253 | TopoDS_Edge newEdge; |
1254 | BRep_Builder BB; |
1255 | |
1256 | if (IsCanonic) |
1257 | newEdge = BRepLib_MakeEdge( newCurve, Vfirst, Vlast ); |
1258 | else |
1259 | newEdge = BRepLib_MakeEdge( newCurve, Vfirst, Vlast, fparam, lparam ); |
1260 | |
1261 | Standard_Real newFirst, newLast; |
1262 | if (addPCurve1) |
1263 | { |
1264 | newPCurve = ConcatPCurves( E1, E2, F1, After, newFirst, newLast ); |
1265 | BB.UpdateEdge( newEdge, newPCurve, F1, 0. ); |
1266 | BB.Range( newEdge, F1, newFirst, newLast ); |
1267 | } |
1268 | if (addPCurve2) |
1269 | { |
1270 | newPCurve = ConcatPCurves( E1, E2, F2, After, newFirst, newLast ); |
1271 | BB.UpdateEdge( newEdge, newPCurve, F2, 0. ); |
1272 | BB.Range( newEdge, F2, newFirst, newLast ); |
1273 | } |
1274 | |
1275 | return newEdge; |
1276 | } |
1277 | |
1278 | |
1279 | //======================================================================= |
1280 | //function : FindNewVerticesOnBoundsOfFace |
1281 | //purpose : |
1282 | //======================================================================= |
1283 | |
1284 | static void FindNewVerticesOnBoundsOfFace(const BOPTools_DSFiller& pDF, |
1285 | const TopoDS_Face& aFace, |
1286 | const Standard_Integer iFace, |
1287 | TopTools_DataMapOfShapeShape& VEmap) |
1288 | { |
1289 | TopTools_IndexedMapOfShape OldVertices; |
1290 | TopExp::MapShapes( aFace, TopAbs_VERTEX, OldVertices ); |
1291 | |
1292 | const BOPTools_SplitShapesPool& aPool = pDF.SplitShapesPool(); |
1293 | |
1294 | TopExp_Explorer Explo( aFace, TopAbs_EDGE ); |
1295 | for (; Explo.More(); Explo.Next()) |
1296 | { |
1297 | TopoDS_Shape anEdge = Explo.Current(); |
1298 | Standard_Integer eind = pDF.DS().ShapeIndex(anEdge,iFace); |
1299 | const BOPTools_ListOfPaveBlock& aSplitEdges = aPool( pDF.DS().RefEdge(eind) ); |
1300 | BOPTools_ListIteratorOfListOfPaveBlock itpb( aSplitEdges ); |
1301 | for (; itpb.More(); itpb.Next()) |
1302 | { |
1303 | BOPTools_PaveBlock& aPaveBlock = itpb.Value(); |
1304 | TopoDS_Shape aSplit = pDF.DS().GetShape( aPaveBlock.Edge() ); |
1305 | TopoDS_Edge aNewEdge = TopoDS::Edge(aSplit); |
1306 | TopoDS_Vertex V1, V2; |
1307 | TopExp::Vertices( aNewEdge, V1, V2 ); |
1308 | if (!OldVertices.Contains( V1 )) |
1309 | VEmap.Bind( V1, anEdge ); |
1310 | if (!OldVertices.Contains( V2 )) |
1311 | VEmap.Bind( V2, anEdge ); |
1312 | } |
1313 | } |
1314 | } |
1315 | |
1316 | //======================================================================= |
1317 | //function : CheckIntersFF |
1318 | //purpose : |
1319 | //======================================================================= |
1320 | |
1321 | static Standard_Boolean CheckIntersFF(const BOPTools_DSFiller& pDF, |
1322 | const TopoDS_Edge& RefEdge, |
1323 | const TopoDS_Face& F1, |
1324 | const TopoDS_Face& F2, |
1325 | TopTools_IndexedMapOfShape& TrueEdges) |
1326 | { |
1327 | Standard_Boolean isEl1 = Standard_False, isEl2 = Standard_False; |
1328 | Standard_Boolean isPlane1 = Standard_False, isPlane2 = Standard_False; |
1329 | |
1330 | Handle(Geom_Surface) aSurf = BRep_Tool::Surface(F1); |
1331 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) |
1332 | aSurf = (*((Handle(Geom_RectangularTrimmedSurface)*)&aSurf))->BasisSurface(); |
1333 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_Plane))) |
1334 | isPlane1 = Standard_True; |
1335 | else if (aSurf->IsKind(STANDARD_TYPE(Geom_ElementarySurface))) |
1336 | isEl1 = Standard_True; |
1337 | |
1338 | aSurf = BRep_Tool::Surface(F2); |
1339 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) |
1340 | aSurf = (*((Handle(Geom_RectangularTrimmedSurface)*)&aSurf))->BasisSurface(); |
1341 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_Plane))) |
1342 | isPlane2 = Standard_True; |
1343 | else if (aSurf->IsKind(STANDARD_TYPE(Geom_ElementarySurface))) |
1344 | isEl2 = Standard_True; |
1345 | |
1346 | if (isPlane1 || isPlane2) |
1347 | return Standard_True; |
1348 | |
1349 | if (isEl1 && isEl2) |
1350 | return Standard_True; |
1351 | |
1352 | const BooleanOperations_ShapesDataStructure& aDS = pDF.DS(); |
1353 | BOPTools_InterferencePool* anIntrPool = (BOPTools_InterferencePool*)&pDF.InterfPool(); |
1354 | BOPTools_CArray1OfSSInterference& aFFs = anIntrPool->SSInterferences(); |
1355 | Standard_Integer aNb = aFFs.Extent(); |
1356 | Standard_Integer i, j, nbe = 0; |
1357 | |
1358 | TopTools_SequenceOfShape Edges; |
1359 | |
1360 | for (i = 1; i <= aNb; i++) |
1361 | { |
1362 | BOPTools_SSInterference& aFFi = aFFs(i); |
1363 | BOPTools_SequenceOfCurves& aBCurves = aFFi.Curves(); |
1364 | Standard_Integer aNbCurves = aBCurves.Length(); |
1365 | |
1366 | for (j = 1; j <= aNbCurves; j++) |
1367 | { |
1368 | BOPTools_Curve& aBC = aBCurves(j); |
1369 | const BOPTools_ListOfPaveBlock& aSectEdges = aBC.NewPaveBlocks(); |
1370 | |
1371 | BOPTools_ListIteratorOfListOfPaveBlock aPBIt(aSectEdges); |
1372 | |
1373 | for (; aPBIt.More(); aPBIt.Next()) |
1374 | { |
1375 | BOPTools_PaveBlock& aPB=aPBIt.Value(); |
1376 | Standard_Integer nSect = aPB.Edge(); |
1377 | TopoDS_Edge anEdge = TopoDS::Edge(aDS.Shape(nSect)); |
1378 | Edges.Append( anEdge ); |
1379 | nbe++; |
1380 | } |
1381 | } |
1382 | } |
1383 | |
1384 | if (nbe <= 1) |
1385 | return Standard_True; |
1386 | |
1387 | //define tangents of RefEdge on start and on end |
1388 | BRepAdaptor_Curve cref(RefEdge); |
1389 | gp_Vec RefTangFirst = cref.DN(cref.FirstParameter(), 1); |
1390 | gp_Vec RefTangLast = cref.DN(cref.LastParameter(), 1); |
1391 | |
1392 | //find the start edge and take it from Edges |
1393 | TopoDS_Edge StartEdge; //, StartEonF1, StartEonF2, EndEonF1, EndEonF2; |
1394 | |
1395 | TopTools_DataMapOfShapeShape VEmapF1, VEmapF2; |
1396 | FindNewVerticesOnBoundsOfFace( pDF, F1, 1, VEmapF1 ); |
1397 | FindNewVerticesOnBoundsOfFace( pDF, F2, 2, VEmapF2 ); |
1398 | |
1399 | Standard_Real AngTol = 0.1; |
1400 | Standard_Boolean V1onBound = Standard_False; |
1401 | Standard_Boolean V2onBound = Standard_False; |
1402 | TopoDS_Vertex V1, V2, Vcur; |
1403 | gp_Vec TangFirst, TangLast, TangCur; |
1404 | for (i = 1; i <= Edges.Length(); i++) |
1405 | { |
1406 | StartEdge = TopoDS::Edge(Edges(i)); |
1407 | TopExp::Vertices( StartEdge, V1, V2 ); |
1408 | V1onBound = VEmapF1.IsBound(V1) || VEmapF2.IsBound(V1); // && ? |
1409 | V2onBound = VEmapF1.IsBound(V2) || VEmapF2.IsBound(V2); // && ? |
1410 | if (V1onBound || V2onBound) |
1411 | { |
1412 | BRepAdaptor_Curve CE(StartEdge); |
1413 | TangFirst = CE.DN( CE.FirstParameter(), 1 ); |
1414 | TangLast = CE.DN( CE.LastParameter(), 1 ); |
1415 | if (V1onBound) |
1416 | { |
1417 | if (TangFirst.IsParallel( RefTangFirst, AngTol ) || |
1418 | TangFirst.IsParallel( RefTangLast, AngTol )) |
1419 | break; //start edged found |
1420 | } |
1421 | else if (V2onBound) |
1422 | { |
1423 | if (TangLast.IsParallel( RefTangLast, AngTol ) || |
1424 | TangLast.IsParallel( RefTangFirst, AngTol )) |
1425 | break; //start edged found |
1426 | } |
1427 | } |
1428 | } |
1429 | |
1430 | if (i > Edges.Length()) //start edged not found |
1431 | return Standard_False; |
1432 | |
1433 | if (V1onBound && V2onBound) |
1434 | { |
1435 | if (TangFirst.IsParallel(RefTangFirst,AngTol) && TangLast.IsParallel(RefTangLast,AngTol) || |
1436 | TangFirst.IsParallel(RefTangLast,AngTol) && TangLast.IsParallel(RefTangFirst,AngTol)) |
1437 | { |
1438 | TrueEdges.Add( Edges(i) ); |
1439 | return Standard_True; |
1440 | } |
1441 | else |
1442 | return Standard_False; |
1443 | } |
1444 | |
1445 | //StartEonF1 = (V1onBound)? VEmapF1( V1 ) : VEmapF1( V2 ); |
1446 | //StartEonF2 = (V1onBound)? VEmapF2( V1 ) : VEmapF2( V2 ); |
1447 | |
1448 | TrueEdges.Add( Edges(i) ); |
1449 | Edges.Remove(i); |
1450 | Vcur = (V1onBound)? V2 : V1; |
1451 | TangCur = (V1onBound)? TangLast : TangFirst; |
1452 | if (V2onBound) |
1453 | TangCur.Reverse(); |
1454 | |
1455 | //build the chain from StartEdge till the opposite bound of face |
1456 | for (;;) |
1457 | { |
1458 | TColStd_SequenceOfInteger Candidates; |
1459 | for (i = 1; i <= Edges.Length(); i++) |
1460 | { |
1461 | TopoDS_Edge anEdge = TopoDS::Edge(Edges(i)); |
1462 | TopExp::Vertices( anEdge, V1, V2 ); |
1463 | if (V1.IsSame(Vcur) || V2.IsSame(Vcur)) |
1464 | Candidates.Append(i); |
1465 | } |
1466 | if (Candidates.IsEmpty()) |
1467 | { |
1468 | TrueEdges.Clear(); |
1469 | return Standard_False; |
1470 | } |
1471 | |
1472 | Standard_Integer minind = 1; |
1473 | if (Candidates.Length() > 1) |
1474 | { |
1475 | Standard_Real MinAngle = RealLast(); |
1476 | for (i = 1; i <= Candidates.Length(); i++) |
1477 | { |
1478 | TopoDS_Edge anEdge = TopoDS::Edge(Edges(Candidates(i))); |
1479 | TopExp::Vertices( anEdge, V1, V2 ); |
1480 | Standard_Boolean ConnectByFirst = (Vcur.IsSame(V1))? Standard_True : Standard_False; |
1481 | BRepAdaptor_Curve CE(anEdge); |
1482 | gp_Vec aTang = (ConnectByFirst)? |
1483 | CE.DN( CE.FirstParameter(), 1 ) : CE.DN( CE.LastParameter(), 1 ); |
1484 | if (!ConnectByFirst) |
1485 | aTang.Reverse(); |
1486 | Standard_Real anAngle = TangCur.Angle(aTang); |
1487 | if (anAngle < MinAngle) |
1488 | { |
1489 | MinAngle = anAngle; |
1490 | minind = i; |
1491 | } |
1492 | } |
1493 | } |
1494 | TopoDS_Edge CurEdge = TopoDS::Edge(Edges(Candidates(minind))); |
1495 | TrueEdges.Add( CurEdge ); |
1496 | Edges.Remove(Candidates(minind)); |
1497 | TopExp::Vertices( CurEdge, V1, V2 ); |
1498 | Standard_Boolean ConnectByFirst = (Vcur.IsSame(V1))? Standard_True : Standard_False; |
1499 | Vcur = (ConnectByFirst)? V2 : V1; |
1500 | BRepAdaptor_Curve CE(CurEdge); |
1501 | TangCur = (ConnectByFirst)? CE.DN( CE.LastParameter(), 1 ) : CE.DN( CE.FirstParameter(), 1 ); |
1502 | if (!ConnectByFirst) |
1503 | TangCur.Reverse(); |
1504 | //check if Vcur is on bounds of faces |
1505 | if (VEmapF1.IsBound(Vcur) || VEmapF2.IsBound(Vcur)) |
1506 | break; |
1507 | } //end of for (;;) |
1508 | |
1509 | if (TangCur.IsParallel( RefTangFirst, AngTol ) || |
1510 | TangCur.IsParallel( RefTangLast, AngTol )) |
1511 | return Standard_True; |
1512 | |
1513 | TrueEdges.Clear(); |
1514 | return Standard_False; |
1515 | } |
1516 | |
1517 | //======================================================================= |
1518 | //function : AssembleEdge |
1519 | //purpose : |
1520 | //======================================================================= |
1521 | |
1522 | static TopoDS_Edge AssembleEdge(const BOPTools_DSFiller* pDF, |
1523 | const TopoDS_Face& F1, |
1524 | const TopoDS_Face& F2, |
1525 | const Standard_Boolean addPCurve1, |
1526 | const Standard_Boolean addPCurve2, |
1527 | const TopTools_SequenceOfShape& EdgesForConcat) |
1528 | { |
1529 | TopoDS_Edge CurEdge = TopoDS::Edge( EdgesForConcat(1) ); |
1530 | for (Standard_Integer j = 2; j <= EdgesForConcat.Length(); j++) |
1531 | { |
1532 | TopoDS_Edge anEdge = TopoDS::Edge( EdgesForConcat(j) ); |
1533 | Standard_Boolean After = Standard_False; |
1534 | TopoDS_Vertex Vfirst, Vlast; |
1535 | if (AreClosed( CurEdge, anEdge )) |
1536 | { |
1537 | TopoDS_Vertex V1, V2; |
1538 | TopExp::Vertices( CurEdge, V1, V2 ); |
1539 | if (IsAutonomVertex( V1, F1, F2, pDF->DS(), pDF->PaveFiller() )) |
1540 | { |
1541 | After = Standard_False; |
1542 | Vfirst = Vlast = V2; |
1543 | } |
1544 | else |
1545 | { |
1546 | After = Standard_True; |
1547 | Vfirst = Vlast = V1; |
1548 | } |
1549 | } |
1550 | else |
1551 | { |
1552 | TopoDS_Vertex CV, V11, V12, V21, V22; |
1553 | TopExp::CommonVertex( CurEdge, anEdge, CV ); |
1554 | TopExp::Vertices( CurEdge, V11, V12 ); |
1555 | TopExp::Vertices( anEdge, V21, V22 ); |
1556 | if (V11.IsSame(CV) && V21.IsSame(CV)) |
1557 | { |
1558 | Vfirst = V22; |
1559 | Vlast = V12; |
1560 | } |
1561 | else if (V11.IsSame(CV) && V22.IsSame(CV)) |
1562 | { |
1563 | Vfirst = V21; |
1564 | Vlast = V12; |
1565 | } |
1566 | else if (V12.IsSame(CV) && V21.IsSame(CV)) |
1567 | { |
1568 | Vfirst = V11; |
1569 | Vlast = V22; |
1570 | } |
1571 | else |
1572 | { |
1573 | Vfirst = V11; |
1574 | Vlast = V21; |
1575 | } |
1576 | } //end of else (open wire) |
1577 | |
1578 | TopoDS_Edge NewEdge = Glue(CurEdge, anEdge, |
1579 | Vfirst, Vlast, After, |
1580 | F1, addPCurve1, F2, addPCurve2); |
1581 | CurEdge = NewEdge; |
1582 | } //end of for (Standard_Integer j = 2; j <= EdgesForConcat.Length(); j++) |
1583 | |
1584 | return CurEdge; |
1585 | } |
1586 | |
1587 | //======================================================================= |
1588 | //function : Inter3D |
1589 | //purpose : |
1590 | //======================================================================= |
1591 | |
1592 | void BRepOffset_Tool::Inter3D(const TopoDS_Face& F1, |
1593 | const TopoDS_Face& F2, |
1594 | TopTools_ListOfShape& L1, |
1595 | TopTools_ListOfShape& L2, |
1596 | const TopAbs_State Side, |
1597 | const TopoDS_Edge& RefEdge, |
1598 | const Standard_Boolean IsRefEdgeDefined) |
1599 | { |
1600 | #ifdef DRAW |
1601 | if (AffichInter) { |
1602 | // POP pour NT |
1603 | char* name = new char[100]; |
1604 | sprintf(name,"FF_%d",NbFaces++); |
1605 | DBRep::Set(name,F1); |
1606 | sprintf(name,"FF_%d",NbFaces++); |
1607 | DBRep::Set(name,F2); |
1608 | } |
1609 | #endif |
1610 | |
1611 | TopoDS_Face cpF1=F1; |
1612 | TopoDS_Face cpF2=F2; |
1613 | // create 3D curves on faces |
1614 | BRepLib::BuildCurves3d(cpF1); |
1615 | BRepLib::BuildCurves3d(cpF2); |
1616 | |
1617 | BOPTools_DSFiller pDF1, pDF2; |
1618 | pDF1.SetShapes(cpF1, cpF2); |
1619 | |
1620 | pDF1.Perform(); |
1621 | |
1622 | BOPTools_DSFiller * pDF = &pDF1; |
1623 | TopTools_IndexedMapOfShape TrueEdges; |
1624 | if (IsRefEdgeDefined && !CheckIntersFF( pDF1, RefEdge, cpF1, cpF2, TrueEdges )) |
1625 | { |
1626 | cpF1 = F2; |
1627 | cpF2 = F1; |
1628 | pDF2.SetShapes(cpF1, cpF2); |
1629 | pDF2.Perform(); |
1630 | CheckIntersFF( pDF2, RefEdge, cpF1, cpF2, TrueEdges ); |
1631 | pDF = &pDF2; |
1632 | } |
1633 | |
1634 | Standard_Boolean addPCurve1 = pDF->PaveFiller().SectionAttribute().PCurveOnS1(); |
1635 | Standard_Boolean addPCurve2 = pDF->PaveFiller().SectionAttribute().PCurveOnS2(); |
1636 | |
1637 | const BooleanOperations_ShapesDataStructure& aDS = pDF->DS(); |
1638 | BOPTools_InterferencePool* anIntrPool = (BOPTools_InterferencePool*)& pDF->InterfPool(); |
1639 | BOPTools_CArray1OfSSInterference& aFFs = anIntrPool->SSInterferences(); |
1640 | Standard_Integer aNb = aFFs.Extent(); |
1641 | Standard_Integer i = 0, j = 0, k; |
1642 | // Store Result |
1643 | L1.Clear(); L2.Clear(); |
1644 | TopAbs_Orientation O1,O2; |
1645 | |
1646 | for (i = 1; i <= aNb; i++) { |
1647 | BOPTools_SSInterference& aFFi = aFFs(i); |
1648 | BOPTools_SequenceOfCurves& aBCurves = aFFi.Curves(); |
1649 | Standard_Integer aNbCurves = aBCurves.Length(); |
1650 | |
1651 | for (j = 1; j <= aNbCurves; j++) { |
1652 | BOPTools_Curve& aBC = aBCurves(j); |
1653 | const BOPTools_ListOfPaveBlock& aSectEdges = aBC.NewPaveBlocks(); |
1654 | |
1655 | BOPTools_ListIteratorOfListOfPaveBlock aPBIt(aSectEdges); |
1656 | |
1657 | for (; aPBIt.More(); aPBIt.Next()) { |
1658 | BOPTools_PaveBlock& aPB=aPBIt.Value(); |
1659 | Standard_Integer nSect = aPB.Edge(); |
1660 | TopoDS_Edge anEdge = TopoDS::Edge(aDS.Shape(nSect)); |
1661 | if (!TrueEdges.IsEmpty() && !TrueEdges.Contains(anEdge)) |
1662 | continue; |
1663 | |
1664 | Standard_Real f, l; |
1665 | const Handle(Geom_Curve)& aC3DE = BRep_Tool::Curve(anEdge, f, l); |
1666 | Handle(Geom_TrimmedCurve) aC3DETrim; |
1667 | |
1668 | if(!aC3DE.IsNull()) |
1669 | aC3DETrim = new Geom_TrimmedCurve(aC3DE, f, l); |
1670 | |
1671 | BRep_Builder aBB; |
1672 | Standard_Real aTolEdge = BRep_Tool::Tolerance(anEdge); |
1673 | |
1674 | if (!BOPTools_Tools2D::HasCurveOnSurface(anEdge, cpF1)) { |
1675 | Handle(Geom2d_Curve) aC2d = aBC.Curve().FirstCurve2d(); |
1676 | if(!aC3DETrim.IsNull()) { |
1677 | Handle(Geom2d_Curve) aC2dNew; |
1678 | |
1679 | if(aC3DE->IsPeriodic()) { |
1680 | BOPTools_Tools2D::AdjustPCurveOnFace(cpF1, f, l, aC2d, aC2dNew); |
1681 | } |
1682 | else { |
1683 | BOPTools_Tools2D::AdjustPCurveOnFace(cpF1, aC3DETrim, aC2d, aC2dNew); |
1684 | } |
1685 | aC2d = aC2dNew; |
1686 | } |
1687 | aBB.UpdateEdge(anEdge, aC2d, cpF1, aTolEdge); |
1688 | } |
1689 | |
1690 | if (!BOPTools_Tools2D::HasCurveOnSurface(anEdge, cpF2)) { |
1691 | Handle(Geom2d_Curve) aC2d = aBC.Curve().SecondCurve2d(); |
1692 | if(!aC3DETrim.IsNull()) { |
1693 | Handle(Geom2d_Curve) aC2dNew; |
1694 | |
1695 | if(aC3DE->IsPeriodic()) { |
1696 | BOPTools_Tools2D::AdjustPCurveOnFace(cpF2, f, l, aC2d, aC2dNew); |
1697 | } |
1698 | else { |
1699 | BOPTools_Tools2D::AdjustPCurveOnFace(cpF2, aC3DETrim, aC2d, aC2dNew); |
1700 | } |
1701 | aC2d = aC2dNew; |
1702 | } |
1703 | aBB.UpdateEdge(anEdge, aC2d, cpF2, aTolEdge); |
1704 | } |
1705 | |
1706 | OrientSection (anEdge, F1, F2, O1, O2); |
1707 | if (Side == TopAbs_OUT) { |
1708 | O1 = TopAbs::Reverse(O1); |
1709 | O2 = TopAbs::Reverse(O2); |
1710 | } |
1711 | |
1712 | L1.Append (anEdge.Oriented(O1)); |
1713 | L2.Append (anEdge.Oriented(O2)); |
1714 | |
1715 | #ifdef DRAW |
1716 | if (AffichInter) { |
1717 | char* name = new char[100]; |
1718 | sprintf(name,"EI_%d",NbNewEdges++); |
1719 | DBRep::Set(name,anEdge.Oriented(O1)); |
1720 | |
1721 | } |
1722 | #endif |
1723 | } |
1724 | } |
1725 | } |
1726 | |
1727 | Standard_Real aSameParTol = Precision::Confusion(); |
1728 | Standard_Boolean isEl1 = Standard_False, isEl2 = Standard_False; |
1729 | |
1730 | Handle(Geom_Surface) aSurf = BRep_Tool::Surface(cpF1); |
1731 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) |
1732 | aSurf = (*((Handle(Geom_RectangularTrimmedSurface)*)&aSurf))->BasisSurface(); |
1733 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_Plane))) |
1734 | addPCurve1 = Standard_False; |
1735 | else if (aSurf->IsKind(STANDARD_TYPE(Geom_ElementarySurface))) |
1736 | isEl1 = Standard_True; |
1737 | |
1738 | aSurf = BRep_Tool::Surface(cpF2); |
1739 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) |
1740 | aSurf = (*((Handle(Geom_RectangularTrimmedSurface)*)&aSurf))->BasisSurface(); |
1741 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_Plane))) |
1742 | addPCurve2 = Standard_False; |
1743 | else if (aSurf->IsKind(STANDARD_TYPE(Geom_ElementarySurface))) |
1744 | isEl2 = Standard_True; |
1745 | |
1746 | if (L1.Extent() > 1 && (!isEl1 || !isEl2)) { |
1747 | TopTools_SequenceOfShape eseq; |
1748 | TopTools_SequenceOfShape EdgesForConcat; |
1749 | |
1750 | if (!TrueEdges.IsEmpty()) |
1751 | { |
1752 | for (i = TrueEdges.Extent(); i >= 1; i--) |
1753 | EdgesForConcat.Append( TrueEdges(i) ); |
1754 | TopoDS_Edge theEdge = |
1755 | AssembleEdge( pDF, cpF1, cpF2, addPCurve1, addPCurve2, EdgesForConcat ); |
1756 | eseq.Append(theEdge); |
1757 | } |
1758 | else |
1759 | { |
1760 | const BOPTools_PaveFiller& thePaveFiller = pDF->PaveFiller(); |
1761 | |
1762 | TopTools_SequenceOfShape wseq; |
1763 | TopTools_SequenceOfShape edges; |
1764 | TopTools_ListIteratorOfListOfShape itl(L1); |
1765 | for (; itl.More(); itl.Next()) |
1766 | edges.Append( itl.Value() ); |
1767 | while (!edges.IsEmpty()) |
1768 | { |
1769 | TopoDS_Edge anEdge = TopoDS::Edge( edges.First() ); |
1770 | TopoDS_Wire aWire = BRepLib_MakeWire( anEdge ), resWire; |
1771 | TColStd_SequenceOfInteger Candidates; |
1772 | for (k = 1; k <= wseq.Length(); k++) |
1773 | { |
1774 | resWire = TopoDS::Wire(wseq(k)); |
1775 | if (AreConnex( resWire, aWire, cpF1, cpF2, pDF )) |
1776 | { |
1777 | Candidates.Append( 1 ); |
1778 | break; |
1779 | } |
1780 | } |
1781 | if (Candidates.IsEmpty()) |
1782 | { |
1783 | wseq.Append( aWire ); |
1784 | edges.Remove(1); |
1785 | } |
1786 | else |
1787 | { |
1788 | for (j = 2; j <= edges.Length(); j++) |
1789 | { |
1790 | anEdge = TopoDS::Edge( edges(j) ); |
1791 | //if (anEdge.IsSame(edges(Candidates.First()))) |
1792 | //continue; |
1793 | aWire = BRepLib_MakeWire( anEdge ); |
1794 | if (AreConnex( resWire, aWire, cpF1, cpF2, pDF )) |
1795 | Candidates.Append( j ); |
1796 | } |
1797 | Standard_Integer minind = 1; |
1798 | if (Candidates.Length() > 1) |
1799 | { |
1800 | Standard_Real MinAngle = RealLast(); |
1801 | for (j = 1; j <= Candidates.Length(); j++) |
1802 | { |
1803 | anEdge = TopoDS::Edge( edges(Candidates(j)) ); |
1804 | Standard_Real anAngle = AngleWireEdge( resWire, anEdge ); |
1805 | if (anAngle < MinAngle) |
1806 | { |
1807 | MinAngle = anAngle; |
1808 | minind = j; |
1809 | } |
1810 | } |
1811 | } |
1812 | TopoDS_Wire NewWire = BRepLib_MakeWire( resWire, TopoDS::Edge(edges(Candidates(minind))) ); |
1813 | wseq(k) = NewWire; |
1814 | edges.Remove(Candidates(minind)); |
1815 | } |
1816 | } //end of while (!edges.IsEmpty()) |
1817 | |
1818 | for (i = 1; i <= wseq.Length(); i++) |
1819 | { |
1820 | TopoDS_Wire aWire = TopoDS::Wire(wseq(i)); |
1821 | TopTools_SequenceOfShape EdgesForConcat; |
1822 | if (aWire.Closed()) |
1823 | { |
1824 | TopoDS_Vertex StartVertex; |
1825 | TopoDS_Edge StartEdge; |
1826 | Standard_Boolean StartFound = Standard_False; |
1827 | TopTools_ListOfShape Elist; |
1828 | |
1829 | TopoDS_Iterator itw(aWire); |
1830 | for (; itw.More(); itw.Next()) |
1831 | { |
1832 | TopoDS_Edge anEdge = TopoDS::Edge(itw.Value()); |
1833 | if (StartFound) |
1834 | Elist.Append(anEdge); |
1835 | else |
1836 | { |
1837 | TopoDS_Vertex V1, V2; |
1838 | TopExp::Vertices( anEdge, V1, V2 ); |
1839 | if (!IsAutonomVertex( V1, cpF1, cpF2, aDS, thePaveFiller )) |
1840 | { |
1841 | StartVertex = V2; |
1842 | StartEdge = anEdge; |
1843 | StartFound = Standard_True; |
1844 | } |
1845 | else if (!IsAutonomVertex( V2, cpF1, cpF2, aDS, thePaveFiller )) |
1846 | { |
1847 | StartVertex = V1; |
1848 | StartEdge = anEdge; |
1849 | StartFound = Standard_True; |
1850 | } |
1851 | else |
1852 | Elist.Append(anEdge); |
1853 | } |
1854 | } //end of for (; itw.More(); itw.Next()) |
1855 | if (!StartFound) |
1856 | { |
1857 | itl.Initialize(Elist); |
1858 | StartEdge = TopoDS::Edge(itl.Value()); |
1859 | Elist.Remove(itl); |
1860 | TopoDS_Vertex V1, V2; |
1861 | TopExp::Vertices( StartEdge, V1, V2 ); |
1862 | StartVertex = V1; |
1863 | } |
1864 | EdgesForConcat.Append( StartEdge ); |
1865 | while (!Elist.IsEmpty()) |
1866 | { |
1867 | for (itl.Initialize(Elist); itl.More(); itl.Next()) |
1868 | { |
1869 | TopoDS_Edge anEdge = TopoDS::Edge(itl.Value()); |
1870 | TopoDS_Vertex V1, V2; |
1871 | TopExp::Vertices( anEdge, V1, V2 ); |
1872 | if (V1.IsSame(StartVertex)) |
1873 | { |
1874 | StartVertex = V2; |
1875 | EdgesForConcat.Append( anEdge ); |
1876 | Elist.Remove(itl); |
1877 | break; |
1878 | } |
1879 | else if (V2.IsSame(StartVertex)) |
1880 | { |
1881 | StartVertex = V1; |
1882 | EdgesForConcat.Append( anEdge ); |
1883 | Elist.Remove(itl); |
1884 | break; |
1885 | } |
1886 | } |
1887 | } //end of while (!Elist.IsEmpty()) |
1888 | } //end of if (aWire.Closed()) |
1889 | else |
1890 | { |
1891 | BRepTools_WireExplorer Wexp( aWire ); |
1892 | for (; Wexp.More(); Wexp.Next()) |
1893 | EdgesForConcat.Append( Wexp.Current() ); |
1894 | } |
1895 | |
1896 | TopoDS_Edge theEdge = |
1897 | AssembleEdge( pDF, cpF1, cpF2, addPCurve1, addPCurve2, EdgesForConcat ); |
1898 | eseq.Append( theEdge ); |
1899 | } |
1900 | } //end of else (when TrueEdges is empty) |
1901 | |
1902 | if (eseq.Length() < L1.Extent()) |
1903 | { |
1904 | L1.Clear(); |
1905 | L2.Clear(); |
1906 | for (i = 1; i <= eseq.Length(); i++) |
1907 | { |
1908 | TopoDS_Edge anEdge = TopoDS::Edge(eseq(i)); |
1909 | BRepLib::SameParameter(anEdge, aSameParTol, Standard_True); |
1910 | Standard_Real EdgeTol = BRep_Tool::Tolerance(anEdge); |
1911 | #ifdef DEB |
1912 | cout<<"Tolerance of glued E = "<<EdgeTol<<endl; |
1913 | #endif |
1914 | if (EdgeTol > 1.e-2) |
1915 | continue; |
1916 | |
1917 | if (EdgeTol >= 1.e-4) |
1918 | { |
1919 | ReconstructPCurves(anEdge); |
1920 | BRepLib::SameParameter(anEdge, aSameParTol, Standard_True); |
1921 | #ifdef DEB |
1922 | cout<<"After projection tol of E = "<<BRep_Tool::Tolerance(anEdge)<<endl; |
1923 | #endif |
1924 | } |
1925 | |
1926 | OrientSection( anEdge, F1, F2, O1, O2 ); |
1927 | if (Side == TopAbs_OUT) |
1928 | { |
1929 | O1 = TopAbs::Reverse(O1); |
1930 | O2 = TopAbs::Reverse(O2); |
1931 | } |
1932 | |
1933 | L1.Append( anEdge.Oriented(O1) ); |
1934 | L2.Append( anEdge.Oriented(O2) ); |
1935 | } |
1936 | } |
1937 | } //end of if (L1.Extent() > 1) |
1938 | |
1939 | else |
1940 | { |
1941 | TopTools_ListIteratorOfListOfShape itl(L1); |
1942 | for (; itl.More(); itl.Next()) |
1943 | { |
1944 | const TopoDS_Edge& anEdge = TopoDS::Edge( itl.Value() ); |
1945 | BRepLib::SameParameter(anEdge, aSameParTol, Standard_True); |
1946 | } |
1947 | } |
1948 | } |
1949 | |
1950 | //======================================================================= |
1951 | //function : TryProject |
1952 | //purpose : |
1953 | //======================================================================= |
1954 | |
1955 | Standard_Boolean BRepOffset_Tool::TryProject |
1956 | (const TopoDS_Face& F1, |
1957 | const TopoDS_Face& F2, |
1958 | const TopTools_ListOfShape& Edges, |
1959 | TopTools_ListOfShape& LInt1, |
1960 | TopTools_ListOfShape& LInt2, |
1961 | const TopAbs_State Side, |
1962 | const Standard_Real TolConf) |
1963 | { |
1964 | #ifdef DRAW |
1965 | if (AffichInter) { |
1966 | // POP pour NT |
1967 | char* name = new char[100]; |
1968 | sprintf(name,"FF_%d",NbFaces++); |
1969 | DBRep::Set(name,F1); |
1970 | sprintf(name,"FF_%d",NbFaces++); |
1971 | DBRep::Set(name,F2); |
1972 | } |
1973 | #endif |
1974 | |
1975 | // try to find if the edges <Edges> are laying on the face F1. |
1976 | LInt1.Clear(); LInt2.Clear(); |
1977 | TopTools_ListIteratorOfListOfShape it(Edges); |
1978 | Standard_Boolean isOk = Standard_True; |
1979 | Standard_Boolean Ok = Standard_True; |
1980 | TopAbs_Orientation O1,O2; |
1981 | Handle(Geom_Surface) Bouchon = BRep_Tool::Surface(F1); |
1982 | BRep_Builder B; |
1983 | |
1984 | for ( ; it.More(); it.Next()) { |
1985 | TopLoc_Location L; |
1986 | Standard_Real f,l; |
1987 | TopoDS_Edge CurE = TopoDS::Edge(it.Value()); |
1988 | Handle(Geom_Curve) C = BRep_Tool::Curve(CurE,L,f,l); |
1989 | if (C.IsNull()) { |
1990 | BRepLib::BuildCurve3d(CurE,BRep_Tool::Tolerance(CurE)); |
1991 | C = BRep_Tool::Curve(CurE,L,f,l); |
1992 | } |
1993 | C = new Geom_TrimmedCurve(C,f,l); |
1994 | if ( !L.IsIdentity()) C->Transform(L); |
1995 | Standard_Real TolReached; |
1996 | isOk = IsOnSurface(C,Bouchon,TolConf,TolReached); |
1997 | |
1998 | if ( isOk) { |
1999 | B.UpdateEdge(CurE,TolReached); |
2000 | BuildPCurves(CurE,F1); |
2001 | OrientSection (CurE,F1,F2,O1,O2); |
2002 | if (Side == TopAbs_OUT) { |
2003 | O1 = TopAbs::Reverse(O1); |
2004 | O2 = TopAbs::Reverse(O2); |
2005 | } |
2006 | LInt1.Append (CurE.Oriented(O1)); |
2007 | LInt2.Append (CurE.Oriented(O2)); |
2008 | #ifdef DRAW |
2009 | if (AffichInter) { |
2010 | // POP pour NT |
2011 | char* name = new char[100]; |
2012 | sprintf(name,"EI_%d",NbNewEdges++); |
2013 | DBRep::Set(name,CurE.Oriented(O1)); |
2014 | } |
2015 | #endif |
2016 | } |
2017 | else |
2018 | Ok = Standard_False; |
2019 | } |
2020 | return Ok; |
2021 | } |
2022 | |
2023 | |
2024 | //======================================================================= |
2025 | //function : InterOrExtent |
2026 | //purpose : |
2027 | //======================================================================= |
2028 | |
2029 | void BRepOffset_Tool::InterOrExtent(const TopoDS_Face& F1, |
2030 | const TopoDS_Face& F2, |
2031 | TopTools_ListOfShape& L1, |
2032 | TopTools_ListOfShape& L2, |
2033 | const TopAbs_State Side) |
2034 | { |
2035 | #ifdef DRAW |
2036 | if (AffichInter) { |
2037 | // POP pour NT |
2038 | char* name = new char[100]; |
2039 | sprintf(name,"FF_%d",NbFaces++); |
2040 | DBRep::Set(name,F1); |
2041 | sprintf(name,"FF_%d",NbFaces++); |
2042 | DBRep::Set(name,F2); |
2043 | } |
2044 | #endif |
2045 | |
2046 | Handle (Geom_Curve) CI; |
2047 | TopoDS_Edge E; |
2048 | TopAbs_Orientation O1,O2; |
2049 | L1.Clear(); L2.Clear(); |
2050 | Handle (Geom_Surface) S1 = BRep_Tool::Surface(F1); |
2051 | Handle (Geom_Surface) S2 = BRep_Tool::Surface(F2); |
2052 | |
2053 | if (S1->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
2054 | Handle(Geom_RectangularTrimmedSurface) RTS ; |
2055 | RTS = *((Handle(Geom_RectangularTrimmedSurface)*) &S1); |
2056 | if (RTS->BasisSurface()->DynamicType() == STANDARD_TYPE(Geom_Plane)) { |
2057 | S1 = RTS->BasisSurface(); |
2058 | } |
2059 | } |
2060 | if (S2->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
2061 | Handle(Geom_RectangularTrimmedSurface) RTS ; |
2062 | RTS = *((Handle(Geom_RectangularTrimmedSurface)*) &S2); |
2063 | if (RTS->BasisSurface()->DynamicType() == STANDARD_TYPE(Geom_Plane)) { |
2064 | S2 = RTS->BasisSurface(); |
2065 | } |
2066 | } |
2067 | |
2068 | GeomInt_IntSS Inter (S1,S2, Precision::Confusion()); |
2069 | |
2070 | if (Inter.IsDone()) { |
2071 | for (Standard_Integer i = 1; i <= Inter.NbLines(); i++) { |
2072 | CI = Inter.Line(i); |
2073 | |
2074 | if (ToSmall(CI)) continue; |
2075 | TopoDS_Edge E = BRepLib_MakeEdge(CI); |
2076 | BuildPCurves (E,F1); |
2077 | BuildPCurves (E,F2); |
2078 | OrientSection (E,F1,F2,O1,O2); |
2079 | if (Side == TopAbs_OUT) { |
2080 | O1 = TopAbs::Reverse(O1); |
2081 | O2 = TopAbs::Reverse(O2); |
2082 | } |
2083 | L1.Append (E.Oriented(O1)); |
2084 | L2.Append (E.Oriented(O2)); |
2085 | #ifdef DRAW |
2086 | if (AffichInter) { |
2087 | // POP pour NT |
2088 | char* name = new char[100]; |
2089 | sprintf(name,"EI_%d",NbNewEdges++); |
2090 | DBRep::Set(name,E.Oriented(O1)); |
2091 | } |
2092 | #endif |
2093 | } |
2094 | } |
2095 | } |
2096 | |
2097 | //======================================================================= |
2098 | //function : ExtentEdge |
2099 | //purpose : |
2100 | //======================================================================= |
2101 | |
2102 | static void ExtentEdge(const TopoDS_Face& F, |
2103 | const TopoDS_Face& EF, |
2104 | const TopoDS_Edge& E, |
2105 | TopoDS_Edge& NE) |
2106 | { |
2107 | BRepAdaptor_Curve CE(E); |
2108 | GeomAbs_CurveType Type = CE.GetType(); |
2109 | TopoDS_Shape aLocalEdge = E.EmptyCopied(); |
2110 | NE = TopoDS::Edge(aLocalEdge); |
2111 | // NE = TopoDS::Edge(E.EmptyCopied()); |
2112 | |
2113 | if (Type == GeomAbs_Line || Type == GeomAbs_Circle || Type == GeomAbs_Ellipse || |
2114 | Type == GeomAbs_Hyperbola || Type == GeomAbs_Parabola) { |
2115 | return; |
2116 | } |
2117 | // Extension en tangence jusqu'au bord de la surface. |
2118 | Standard_Real PMax = 1.e2; |
2119 | TopLoc_Location L; |
2120 | Handle(Geom_Surface) S = BRep_Tool::Surface(F,L); |
2121 | Standard_Real umin,umax,vmin,vmax; |
2122 | |
2123 | S->Bounds(umin,umax,vmin,vmax); |
2124 | umin = Max(umin,-PMax);vmin = Max(vmin,-PMax); |
2125 | umax = Min(umax, PMax);vmax = Min(vmax, PMax); |
2126 | |
2127 | |
2128 | Standard_Real f,l; |
2129 | Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E,F,f,l); |
2130 | |
2131 | //calcul point cible . ie point d'intersection du prolongement tangent et des bords. |
2132 | gp_Pnt2d P; |
2133 | gp_Vec2d Tang; |
2134 | C2d->D1(CE.FirstParameter(),P,Tang); |
2135 | Standard_Real tx,ty,tmin; |
2136 | tx = ty = Precision::Infinite(); |
2137 | if (Abs(Tang.X()) > Precision::Confusion()) |
2138 | tx = Min (Abs((umax - P.X())/Tang.X()), Abs((umin - P.X())/Tang.X())); |
2139 | if (Abs(Tang.Y()) > Precision::Confusion()) |
2140 | ty = Min (Abs((vmax - P.Y())/Tang.Y()), Abs((vmin - P.Y())/Tang.Y())); |
2141 | tmin = Min (tx,ty); |
2142 | Tang = tmin*Tang; |
2143 | gp_Pnt2d PF2d (P.X() - Tang.X(),P.Y() - Tang.Y()); |
2144 | |
2145 | C2d->D1(CE.LastParameter(),P,Tang); |
2146 | tx = ty = Precision::Infinite(); |
2147 | if (Abs(Tang.X()) > Precision::Confusion()) |
2148 | tx = Min (Abs((umax - P.X())/Tang.X()), Abs((umin - P.X())/Tang.X())); |
2149 | if (Abs(Tang.Y()) > Precision::Confusion()) |
2150 | ty = Min (Abs((vmax - P.Y())/Tang.Y()), Abs((vmin - P.Y())/Tang.Y())); |
2151 | tmin = Min (tx,ty); |
2152 | Tang = tmin*Tang; |
2153 | gp_Pnt2d PL2d (P.X() + Tang.X(),P.Y() + Tang.Y()); |
2154 | |
2155 | Handle(Geom_Curve) CC = GeomAPI::To3d(C2d,gp_Pln(gp::XOY())); |
2156 | gp_Pnt PF(PF2d.X(),PF2d.Y(),0.); |
2157 | gp_Pnt PL(PL2d.X(),PL2d.Y(),0.); |
2158 | |
2159 | Handle(Geom_BoundedCurve) ExtC = Handle(Geom_BoundedCurve)::DownCast(CC); |
2160 | if (ExtC.IsNull()) return; |
2161 | |
2162 | GeomLib::ExtendCurveToPoint(ExtC,PF,1,0); |
2163 | GeomLib::ExtendCurveToPoint(ExtC,PL,1,1); |
2164 | |
2165 | Handle(Geom2d_Curve) CNE2d = GeomAPI::To2d(ExtC,gp_Pln(gp::XOY())); |
2166 | |
2167 | //Construction de la nouvelle arrete; |
2168 | BRep_Builder B; |
2169 | B.MakeEdge(NE); |
2170 | // B.UpdateEdge (NE,CNE2d,F,BRep_Tool::Tolerance(E)); |
2171 | B.UpdateEdge (NE,CNE2d,EF,BRep_Tool::Tolerance(E)); |
2172 | B.Range (NE,CNE2d->FirstParameter(), CNE2d->LastParameter()); |
2173 | NE.Orientation(E.Orientation()); |
2174 | #ifdef DRAW |
2175 | if (AffichExtent) { |
2176 | char* name = new char[100]; |
2177 | sprintf (name,"F_%d",NbExtE); |
2178 | DBRep::Set(name,EF); |
2179 | sprintf (name,"OE_%d",NbExtE); |
2180 | DBRep::Set (name,E); |
2181 | sprintf (name,"ExtE_%d",NbExtE++); |
2182 | DBRep::Set(name,NE); |
2183 | } |
2184 | #endif |
2185 | } |
2186 | |
2187 | //======================================================================= |
2188 | //function : ProjectVertexOnEdge |
2189 | //purpose : |
2190 | //======================================================================= |
2191 | |
2192 | static Standard_Boolean ProjectVertexOnEdge(TopoDS_Vertex& V, |
2193 | const TopoDS_Edge& E, |
2194 | Standard_Real TolConf) |
2195 | { |
2196 | #ifdef DRAW |
2197 | if (AffichExtent) { |
2198 | DBRep::Set("V",V); |
2199 | DBRep::Set("E",E); |
2200 | } |
2201 | #endif |
2202 | BRep_Builder B; |
2203 | Standard_Real f,l; |
2204 | #ifndef DEB |
2205 | Standard_Real U = 0.; |
2206 | #else |
2207 | Standard_Real U; |
2208 | #endif |
2209 | TopLoc_Location L; |
2210 | Standard_Boolean found = Standard_False; |
2211 | |
2212 | gp_Pnt P = BRep_Tool::Pnt (V); |
2213 | BRepAdaptor_Curve C = BRepAdaptor_Curve(E); |
2214 | f = C.FirstParameter(); l = C.LastParameter(); |
2215 | |
2216 | if (V.Orientation() == TopAbs_FORWARD) { |
2217 | if (Abs(f) < Precision::Infinite()) { |
2218 | gp_Pnt PF = C.Value (f); |
2219 | if (PF.IsEqual(P,TolConf)) { |
2220 | U = f; |
2221 | found = Standard_True; |
2222 | } |
2223 | } |
2224 | } |
2225 | if (V.Orientation() == TopAbs_REVERSED) { |
2226 | if (!found && Abs(l) < Precision::Infinite()) { |
2227 | gp_Pnt PL = C.Value (l); |
2228 | if (PL.IsEqual(P,TolConf)) { |
2229 | U = l; |
2230 | found = Standard_True; |
2231 | } |
2232 | } |
2233 | } |
2234 | if (!found) { |
2235 | Extrema_ExtPC Proj(P,C); |
2236 | if (Proj.IsDone() && Proj.NbExt() > 0) { |
2237 | Standard_Real Dist2,Dist2Min = Proj.SquareDistance(1); |
2238 | U = Proj.Point(1).Parameter(); |
2239 | for (Standard_Integer i = 2; i <= Proj.NbExt(); i++) { |
2240 | Dist2 = Proj.SquareDistance(i); |
2241 | if (Dist2 < Dist2Min) { |
2242 | Dist2Min = Dist2; |
2243 | U = Proj.Point(i).Parameter(); |
2244 | } |
2245 | } |
2246 | found = Standard_True; |
2247 | } |
2248 | } |
2249 | |
2250 | #ifdef DEB |
2251 | if (AffichExtent) { |
2252 | Standard_Real Dist = P.Distance(C.Value(U)); |
2253 | if (Dist > TolConf) { |
2254 | cout << " ProjectVertexOnEdge :distance vertex edge :"<<Dist<<endl; |
2255 | } |
2256 | if (U < f - Precision::Confusion() || |
2257 | U > l + Precision::Confusion()) { |
2258 | cout << " ProjectVertexOnEdge : hors borne :"<<endl; |
2259 | cout << " f = "<<f<<" l ="<<l<< " U ="<<U<<endl; |
2260 | } |
2261 | } |
2262 | if (!found) { |
2263 | cout <<"BRepOffset_Tool::ProjectVertexOnEdge Parameter no found"<<endl; |
2264 | if (Abs(f) < Precision::Infinite() && |
2265 | Abs(l) < Precision::Infinite()) { |
2266 | #ifdef DRAW |
2267 | DBRep::Set("E",E); |
2268 | #endif |
2269 | } |
2270 | } |
2271 | #endif |
2272 | if (found) { |
2273 | TopoDS_Shape aLocalShape = E.Oriented(TopAbs_FORWARD); |
2274 | TopoDS_Edge EE = TopoDS::Edge(aLocalShape); |
2275 | aLocalShape = V.Oriented(TopAbs_INTERNAL); |
2276 | // TopoDS_Edge EE = TopoDS::Edge(E.Oriented(TopAbs_FORWARD)); |
2277 | B.UpdateVertex(TopoDS::Vertex(aLocalShape), |
2278 | U,EE,BRep_Tool::Tolerance(E)); |
2279 | |
2280 | } |
2281 | return found; |
2282 | } |
2283 | |
2284 | //======================================================================= |
2285 | //function : Inter2d |
2286 | //purpose : |
2287 | //======================================================================= |
2288 | |
2289 | void BRepOffset_Tool::Inter2d (const TopoDS_Face& F, |
2290 | const TopoDS_Edge& E1, |
2291 | const TopoDS_Edge& E2, |
2292 | TopTools_ListOfShape& LV, |
2293 | const Standard_Real TolConf) |
2294 | { |
2295 | #ifdef DRAW |
2296 | if (AffichExtent) { |
2297 | DBRep::Set("E1",E1); |
2298 | DBRep::Set("E2",E2); |
2299 | DBRep::Set("F",F); |
2300 | } |
2301 | #endif |
2302 | BRep_Builder B; |
2303 | Standard_Real fl1[2],fl2[2]; |
2304 | LV.Clear(); |
2305 | |
2306 | // Si l edge a ete etendu les pcurves ne sont pas forcement |
2307 | // a jour. |
2308 | BuildPCurves(E1,F); |
2309 | BuildPCurves(E2,F); |
2310 | |
2311 | |
2312 | // Construction des curves 3d si elles n existent pas |
2313 | // utile pour coder correctement les parametres des vertex |
2314 | // d intersection sur les edges. |
2315 | //TopLoc_Location L; |
2316 | //Standard_Real f,l; |
2317 | //Handle(Geom_Curve) C3d1 = BRep_Tool::Curve(E1,L,f,l); |
2318 | //if (C3d1.IsNull()) { |
2319 | // BRepLib::BuildCurve3d(E1,BRep_Tool::Tolerance(E1)); |
2320 | //} |
2321 | //Handle(Geom_Curve) C3d2 = BRep_Tool::Curve(E2,L,f,l); |
2322 | //if (C3d2.IsNull()) { |
2323 | // BRepLib::BuildCurve3d(E2,BRep_Tool::Tolerance(E2)); |
2324 | //} |
2325 | |
2326 | Standard_Integer NbPC1 = 1, NbPC2 = 1; |
2327 | if (BRep_Tool::IsClosed(E1,F)) NbPC1++; |
2328 | if (BRep_Tool::IsClosed(E2,F)) NbPC2++; |
2329 | |
2330 | Handle(Geom_Surface) S = BRep_Tool::Surface(F); |
2331 | Handle(Geom2d_Curve) C1, C2; |
2332 | Standard_Boolean YaSol = Standard_False; |
2333 | Standard_Integer itry = 0; |
2334 | |
2335 | while (!YaSol && itry < 2) { |
2336 | for ( Standard_Integer i = 1; i <= NbPC1 ; i++) { |
2337 | TopoDS_Shape aLocalEdge = E1.Reversed(); |
2338 | if (i == 1) C1 = BRep_Tool::CurveOnSurface(E1,F,fl1[0],fl1[1]); |
2339 | else C1 = BRep_Tool::CurveOnSurface(TopoDS::Edge(aLocalEdge), |
2340 | F,fl1[0],fl1[1]); |
2341 | // if (i == 1) C1 = BRep_Tool::CurveOnSurface(E1,F,fl1[0],fl1[1]); |
2342 | // else C1 = BRep_Tool::CurveOnSurface(TopoDS::Edge(E1.Reversed()), |
2343 | // F,fl1[0],fl1[1]); |
2344 | for ( Standard_Integer j = 1; j <= NbPC2; j++ ) { |
2345 | TopoDS_Shape aLocalEdge = E2.Reversed(); |
2346 | if (j == 1) C2 = BRep_Tool::CurveOnSurface(E2,F,fl2[0],fl2[1]); |
2347 | else C2 = BRep_Tool::CurveOnSurface(TopoDS::Edge(aLocalEdge), |
2348 | F,fl2[0],fl2[1]); |
2349 | // if (j == 1) C2 = BRep_Tool::CurveOnSurface(E2,F,fl2[0],fl2[1]); |
2350 | // else C2 = BRep_Tool::CurveOnSurface(TopoDS::Edge(E2.Reversed()), |
2351 | // F,fl2[0],fl2[1]); |
2352 | #ifdef DEB |
2353 | if (C1.IsNull() || C2.IsNull()) { |
2354 | cout <<"Inter2d : Pas de pcurve"<<endl; |
2355 | #ifdef DRAW |
2356 | DBRep::Set("E1",E1); |
2357 | DBRep::Set("E2",E2); |
2358 | DBRep::Set("F",F); |
2359 | #endif |
2360 | return; |
2361 | } |
2362 | #endif |
2363 | #ifndef DEB |
2364 | Standard_Real U1 = 0.,U2 = 0.; |
2365 | #else |
2366 | Standard_Real U1,U2; |
2367 | #endif |
2368 | gp_Pnt2d P2d; |
2369 | if (itry == 1) { |
2370 | fl1[0] = C1->FirstParameter(); fl1[1] = C1->LastParameter(); |
2371 | fl2[0] = C2->FirstParameter(); fl2[1] = C2->LastParameter(); |
2372 | } |
2373 | Geom2dAdaptor_Curve AC1(C1,fl1[0],fl1[1]); |
2374 | Geom2dAdaptor_Curve AC2(C2,fl2[0],fl2[1]); |
2375 | |
2376 | if (itry == 0) { |
2377 | gp_Pnt2d P1[2],P2[2]; |
2378 | P1[0] = C1->Value(fl1[0]); P1[1] = C1->Value(fl1[1]); |
2379 | P2[0] = C2->Value(fl2[0]); P2[1] = C2->Value(fl2[1]); |
2380 | |
2381 | Standard_Integer i1 ; |
2382 | for ( i1 = 0; i1 < 2; i1++) { |
2383 | for (Standard_Integer i2 = 0; i2 < 2; i2++) { |
2384 | if (Abs(fl1[i1]) < Precision::Infinite() && |
2385 | Abs(fl2[i2]) < Precision::Infinite() ) { |
2386 | if (P1[i1].IsEqual(P2[i2],TolConf)) { |
2387 | YaSol = Standard_True; |
2388 | U1 = fl1[i1]; U2 = fl2[i2]; |
2389 | P2d = C1->Value(U1); |
2390 | } |
2391 | } |
2392 | } |
2393 | } |
2394 | if (!YaSol) |
2395 | for (i1 = 0; i1 < 2; i1++) |
2396 | { |
2397 | Extrema_ExtPC2d extr( P1[i1], AC2 ); |
2398 | if (extr.IsDone() && extr.NbExt() > 0) |
2399 | { |
2400 | Standard_Real Dist2, Dist2Min = extr.SquareDistance(1); |
2401 | Standard_Integer IndexMin = 1; |
2402 | for (Standard_Integer ind = 2; ind <= extr.NbExt(); ind++) |
2403 | { |
2404 | Dist2 = extr.SquareDistance(ind); |
2405 | if (Dist2 < Dist2Min) |
2406 | { |
2407 | Dist2Min = Dist2; |
2408 | IndexMin = ind; |
2409 | } |
2410 | } |
2411 | if (Dist2Min <= Precision::Confusion() * Precision::Confusion()) |
2412 | { |
2413 | YaSol = Standard_True; |
2414 | P2d = P1[i1]; |
2415 | U1 = fl1[i1]; |
2416 | U2 = (extr.Point(IndexMin)).Parameter(); |
2417 | break; |
2418 | } |
2419 | } |
2420 | } |
2421 | if (!YaSol) |
2422 | for (Standard_Integer i2 = 0; i2 < 2; i2++) |
2423 | { |
2424 | Extrema_ExtPC2d extr( P2[i2], AC1 ); |
2425 | if (extr.IsDone() && extr.NbExt() > 0) |
2426 | { |
2427 | Standard_Real Dist2, Dist2Min = extr.SquareDistance(1); |
2428 | Standard_Integer IndexMin = 1; |
2429 | for (Standard_Integer ind = 2; ind <= extr.NbExt(); ind++) |
2430 | { |
2431 | Dist2 = extr.SquareDistance(ind); |
2432 | if (Dist2 < Dist2Min) |
2433 | { |
2434 | Dist2Min = Dist2; |
2435 | IndexMin = ind; |
2436 | } |
2437 | } |
2438 | if (Dist2Min <= Precision::Confusion() * Precision::Confusion()) |
2439 | { |
2440 | YaSol = Standard_True; |
2441 | P2d = P2[i2]; |
2442 | U2 = fl2[i2]; |
2443 | U1 = (extr.Point(IndexMin)).Parameter(); |
2444 | break; |
2445 | } |
2446 | } |
2447 | } |
2448 | } |
2449 | |
2450 | if (!YaSol) { |
2451 | Geom2dInt_GInter Inter (AC1,AC2,TolConf,TolConf); |
2452 | |
2453 | if (!Inter.IsEmpty() && Inter.NbPoints() > 0) { |
2454 | YaSol = Standard_True; |
2455 | U1 = Inter.Point(1).ParamOnFirst(); |
2456 | U2 = Inter.Point(1).ParamOnSecond(); |
2457 | P2d = Inter.Point(1).Value(); |
2458 | } |
2459 | else if (!Inter.IsEmpty() && Inter.NbSegments() > 0) { |
2460 | YaSol = Standard_True; |
2461 | IntRes2d_IntersectionSegment Seg = Inter.Segment(1); |
2462 | IntRes2d_IntersectionPoint IntP1 = Seg.FirstPoint(); |
2463 | IntRes2d_IntersectionPoint IntP2 = Seg.LastPoint(); |
2464 | Standard_Real U1on1 = IntP1.ParamOnFirst(); |
2465 | Standard_Real U1on2 = IntP2.ParamOnFirst(); |
2466 | Standard_Real U2on1 = IntP1.ParamOnSecond(); |
2467 | Standard_Real U2on2 = IntP2.ParamOnSecond(); |
2468 | #ifdef DEB |
2469 | cout << " BRepOffset_Tool::Inter2d SEGMENT d intersection" << endl; |
2470 | cout << " ===> Parametres sur Curve1 : "; |
2471 | cout << U1on1 << " " << U1on2 << endl; |
2472 | cout << " ===> Parametres sur Curve2 : "; |
2473 | cout << U2on1 << " " << U2on2 << endl; |
2474 | #endif |
2475 | U1 = (U1on1 + U1on2)/2.; |
2476 | U2 = (U2on1 + U2on2)/2.; |
2477 | gp_Pnt2d P2d1 = C1->Value(U1); |
2478 | gp_Pnt2d P2d2 = C2->Value(U2); |
2479 | P2d.SetX( (P2d1.X() + P2d2.X()) / 2.); |
2480 | P2d.SetY( (P2d1.Y() + P2d2.Y()) / 2.); |
2481 | } |
2482 | } |
2483 | if (YaSol) { |
2484 | gp_Pnt P = S->Value(P2d.X(),P2d.Y()); |
2485 | TopoDS_Vertex V = BRepLib_MakeVertex(P); |
2486 | V.Orientation(TopAbs_INTERNAL); |
2487 | TopoDS_Shape aLocalEdge = E1.Oriented(TopAbs_FORWARD); |
2488 | B.UpdateVertex(V,U1,TopoDS::Edge(aLocalEdge),TolConf); |
2489 | aLocalEdge = E2.Oriented(TopAbs_FORWARD); |
2490 | B.UpdateVertex(V,U2,TopoDS::Edge(aLocalEdge),TolConf); |
2491 | // B.UpdateVertex(V,U1,TopoDS::Edge(E1.Oriented(TopAbs_FORWARD)),TolConf); |
2492 | // B.UpdateVertex(V,U2,TopoDS::Edge(E2.Oriented(TopAbs_FORWARD)),TolConf); |
2493 | LV.Append(V); |
2494 | } |
2495 | } |
2496 | } |
2497 | itry++; |
2498 | } |
2499 | |
2500 | if (LV.Extent() > 1) { |
2501 | //------------------------------------------------ |
2502 | // garde seulement les vertex les plus proches du |
2503 | //debut et de la fin. |
2504 | //------------------------------------------------ |
2505 | TopTools_ListIteratorOfListOfShape it(LV); |
2506 | TopoDS_Vertex VF,VL; |
2507 | Standard_Real UMin = Precision::Infinite(); |
2508 | Standard_Real UMax = -Precision::Infinite(); |
2509 | Standard_Real U; |
2510 | |
2511 | for ( ; it.More(); it.Next()) { |
2512 | TopoDS_Vertex CV = TopoDS::Vertex(it.Value()); |
2513 | TopoDS_Shape aLocalEdge = E1.Oriented(TopAbs_FORWARD); |
2514 | U = BRep_Tool::Parameter(CV,TopoDS::Edge(aLocalEdge)); |
2515 | // U = BRep_Tool::Parameter(CV,TopoDS::Edge(E1.Oriented(TopAbs_FORWARD))); |
2516 | if ( U < UMin) { |
2517 | VF = CV; UMin = U; |
2518 | } |
2519 | if ( U > UMax) { |
2520 | VL = CV; UMax = U; |
2521 | } |
2522 | } |
2523 | LV.Clear();LV.Append(VF); LV.Append(VL); |
2524 | } |
2525 | |
2526 | #ifdef DEB |
2527 | if (!YaSol) { |
2528 | cout <<"Inter2d : Pas de solution"<<endl; |
2529 | #ifdef DRAW |
2530 | DBRep::Set("E1",E1); |
2531 | DBRep::Set("E2",E2); |
2532 | DBRep::Set("F",F); |
2533 | #endif |
2534 | } |
2535 | #endif |
2536 | } |
2537 | |
2538 | //======================================================================= |
2539 | //function : SelectEdge |
2540 | //purpose : |
2541 | //======================================================================= |
2542 | |
2543 | static void SelectEdge (const TopoDS_Face& F, |
2544 | const TopoDS_Face& EF, |
2545 | const TopoDS_Edge& E, |
2546 | TopTools_ListOfShape& LInt) |
2547 | { |
2548 | //------------------------------------------------------------ |
2549 | // detrompeur sur les intersections sur les faces periodiques |
2550 | //------------------------------------------------------------ |
2551 | TopTools_ListIteratorOfListOfShape it(LInt); |
2552 | Standard_Real dU = 1.0e100; |
2553 | TopoDS_Edge GE; |
2554 | |
2555 | Standard_Real Fst, Lst, tmp; |
2556 | BRep_Tool::Range(E, Fst, Lst); |
2557 | BRepAdaptor_Curve Ad1(E); |
2558 | |
2559 | gp_Pnt PFirst = Ad1.Value( Fst ); |
2560 | gp_Pnt PLast = Ad1.Value( Lst ); |
2561 | |
2562 | //---------------------------------------------------------------------- |
2563 | // Selection de l edge qui couvre le plus le domaine de l edge initiale. |
2564 | //---------------------------------------------------------------------- |
2565 | for (; it.More(); it.Next()) { |
2566 | const TopoDS_Edge& EI = TopoDS::Edge(it.Value()); |
2567 | |
2568 | BRep_Tool::Range(EI, Fst, Lst); |
2569 | BRepAdaptor_Curve Ad2(EI); |
2570 | gp_Pnt P1 = Ad2.Value(Fst); |
2571 | gp_Pnt P2 = Ad2.Value(Lst); |
2572 | |
2573 | tmp = P1.Distance(PFirst) + P2.Distance(PLast); |
2574 | if( tmp <= dU ) { |
2575 | dU = tmp; |
2576 | GE = EI; |
2577 | } |
2578 | |
2579 | } |
2580 | LInt.Clear(); |
2581 | LInt.Append(GE); |
2582 | } |
2583 | |
2584 | |
2585 | //======================================================================= |
2586 | //function : Init |
2587 | //purpose : |
2588 | //======================================================================= |
2589 | |
2590 | static void MakeFace(const Handle(Geom_Surface)& S, |
2591 | const Standard_Real Um, |
2592 | const Standard_Real UM, |
2593 | const Standard_Real Vm, |
2594 | const Standard_Real VM, |
2595 | const Standard_Boolean isVminDegen, |
2596 | const Standard_Boolean isVmaxDegen, |
2597 | TopoDS_Face& F) |
2598 | { |
2599 | Standard_Real UMin = Um; |
2600 | Standard_Real UMax = UM; |
2601 | Standard_Real VMin = Vm; |
2602 | Standard_Real VMax = VM; |
2603 | Standard_Real epsilon = Precision::Confusion(); |
2604 | |
2605 | Standard_Real umin,umax,vmin,vmax; |
2606 | S->Bounds(umin,umax,vmin,vmax); |
2607 | |
2608 | |
2609 | // compute infinite flags |
2610 | Standard_Boolean umininf = Precision::IsNegativeInfinite(UMin); |
2611 | Standard_Boolean umaxinf = Precision::IsPositiveInfinite(UMax); |
2612 | Standard_Boolean vmininf = Precision::IsNegativeInfinite(VMin); |
2613 | Standard_Boolean vmaxinf = Precision::IsPositiveInfinite(VMax); |
2614 | |
2615 | // closed flag |
2616 | Standard_Boolean IsSuclosed = S->IsUClosed(), IsSvclosed = S->IsVClosed(); |
2617 | if (S->DynamicType() == STANDARD_TYPE(Geom_OffsetSurface)) |
2618 | { |
2619 | Handle(Geom_Surface) BasisSurf = (*((Handle(Geom_OffsetSurface)*)&S))->BasisSurface(); |
2620 | IsSuclosed = BasisSurf->IsUClosed(); |
2621 | IsSvclosed = BasisSurf->IsVClosed(); |
2622 | } |
2623 | |
2624 | Standard_Boolean uclosed = |
2625 | IsSuclosed && |
2626 | Abs(UMin - umin) < epsilon && |
2627 | Abs(UMax - umax) < epsilon; |
2628 | |
2629 | Standard_Boolean vclosed = |
2630 | IsSvclosed && |
2631 | Abs(VMin - vmin) < epsilon && |
2632 | Abs(VMax - vmax) < epsilon; |
2633 | |
2634 | // degenerated flags (for cones) |
2635 | Standard_Boolean vmindegen = isVminDegen, vmaxdegen = isVmaxDegen; |
2636 | Handle(Geom_Surface) theSurf = S; |
2637 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) |
2638 | theSurf = (*(Handle_Geom_RectangularTrimmedSurface*)&S)->BasisSurface(); |
2639 | if (theSurf->DynamicType() == STANDARD_TYPE(Geom_ConicalSurface)) |
2640 | { |
2641 | Handle(Geom_ConicalSurface) ConicalS = *((Handle(Geom_ConicalSurface)*) &theSurf); |
2642 | gp_Cone theCone = ConicalS->Cone(); |
2643 | gp_Pnt theApex = theCone.Apex(); |
2644 | Standard_Real Uapex, Vapex; |
2645 | ElSLib::Parameters( theCone, theApex, Uapex, Vapex ); |
2646 | if (Abs(VMin - Vapex) <= Precision::Confusion()) |
2647 | vmindegen = Standard_True; |
2648 | if (Abs(VMax - Vapex) <= Precision::Confusion()) |
2649 | vmaxdegen = Standard_True; |
2650 | } |
2651 | |
2652 | // compute vertices |
2653 | BRep_Builder B; |
2654 | Standard_Real tol = Precision::Confusion(); |
2655 | |
2656 | TopoDS_Vertex V00,V10,V11,V01; |
2657 | |
2658 | if (!umininf) { |
2659 | if (!vmininf) B.MakeVertex(V00,S->Value(UMin,VMin),tol); |
2660 | if (!vmaxinf) B.MakeVertex(V01,S->Value(UMin,VMax),tol); |
2661 | } |
2662 | if (!umaxinf) { |
2663 | if (!vmininf) B.MakeVertex(V10,S->Value(UMax,VMin),tol); |
2664 | if (!vmaxinf) B.MakeVertex(V11,S->Value(UMax,VMax),tol); |
2665 | } |
2666 | |
2667 | if (uclosed) { |
2668 | V10 = V00; |
2669 | V11 = V01; |
2670 | } |
2671 | |
2672 | if (vclosed) { |
2673 | V01 = V00; |
2674 | V11 = V10; |
2675 | } |
2676 | |
2677 | if (vmindegen) |
2678 | V10 = V00; |
2679 | if (vmaxdegen) |
2680 | V11 = V01; |
2681 | |
2682 | // make the lines |
2683 | Handle(Geom2d_Line) Lumin,Lumax,Lvmin,Lvmax; |
2684 | if (!umininf) |
2685 | Lumin = new Geom2d_Line(gp_Pnt2d(UMin,0),gp_Dir2d(0,1)); |
2686 | if (!umaxinf) |
2687 | Lumax = new Geom2d_Line(gp_Pnt2d(UMax,0),gp_Dir2d(0,1)); |
2688 | if (!vmininf) |
2689 | Lvmin = new Geom2d_Line(gp_Pnt2d(0,VMin),gp_Dir2d(1,0)); |
2690 | if (!vmaxinf) |
2691 | Lvmax = new Geom2d_Line(gp_Pnt2d(0,VMax),gp_Dir2d(1,0)); |
2692 | |
2693 | Handle(Geom_Curve) Cumin,Cumax,Cvmin,Cvmax; |
2694 | Standard_Real TolApex = 1.e-5; |
2695 | //Standard_Boolean hasiso = ! S->IsKind(STANDARD_TYPE(Geom_OffsetSurface)); |
2696 | Standard_Boolean hasiso = S->IsKind(STANDARD_TYPE(Geom_ElementarySurface)); |
2697 | if (hasiso) { |
2698 | if (!umininf) |
2699 | Cumin = S->UIso(UMin); |
2700 | if (!umaxinf) |
2701 | Cumax = S->UIso(UMax); |
2702 | if (!vmininf) |
2703 | { |
2704 | Cvmin = S->VIso(VMin); |
2705 | if (BRepOffset_Tool::Gabarit( Cvmin ) <= TolApex) |
2706 | vmindegen = Standard_True; |
2707 | } |
2708 | if (!vmaxinf) |
2709 | { |
2710 | Cvmax = S->VIso(VMax); |
2711 | if (BRepOffset_Tool::Gabarit( Cvmax ) <= TolApex) |
2712 | vmaxdegen = Standard_True; |
2713 | } |
2714 | } |
2715 | |
2716 | // make the face |
2717 | B.MakeFace(F,S,tol); |
2718 | |
2719 | // make the edges |
2720 | TopoDS_Edge eumin,eumax,evmin,evmax; |
2721 | |
2722 | if (!umininf) { |
2723 | if (hasiso) |
2724 | B.MakeEdge(eumin,Cumin,tol); |
2725 | else |
2726 | B.MakeEdge(eumin); |
2727 | if (uclosed) |
2728 | B.UpdateEdge(eumin,Lumax,Lumin,F,tol); |
2729 | else |
2730 | B.UpdateEdge(eumin,Lumin,F,tol); |
2731 | if (!vmininf) { |
2732 | V00.Orientation(TopAbs_FORWARD); |
2733 | B.Add(eumin,V00); |
2734 | } |
2735 | if (!vmaxinf) { |
2736 | V01.Orientation(TopAbs_REVERSED); |
2737 | B.Add(eumin,V01); |
2738 | } |
2739 | B.Range(eumin,VMin,VMax); |
2740 | } |
2741 | |
2742 | if (!umaxinf) { |
2743 | if (uclosed) |
2744 | eumax = eumin; |
2745 | else { |
2746 | if (hasiso) |
2747 | B.MakeEdge(eumax,Cumax,tol); |
2748 | else |
2749 | B.MakeEdge(eumax); |
2750 | B.UpdateEdge(eumax,Lumax,F,tol); |
2751 | if (!vmininf) { |
2752 | V10.Orientation(TopAbs_FORWARD); |
2753 | B.Add(eumax,V10); |
2754 | } |
2755 | if (!vmaxinf) { |
2756 | V11.Orientation(TopAbs_REVERSED); |
2757 | B.Add(eumax,V11); |
2758 | } |
2759 | B.Range(eumax,VMin,VMax); |
2760 | } |
2761 | } |
2762 | |
2763 | if (!vmininf) { |
2764 | if (hasiso && !vmindegen) |
2765 | B.MakeEdge(evmin,Cvmin,tol); |
2766 | else |
2767 | B.MakeEdge(evmin); |
2768 | if (vclosed) |
2769 | B.UpdateEdge(evmin,Lvmin,Lvmax,F,tol); |
2770 | else |
2771 | B.UpdateEdge(evmin,Lvmin,F,tol); |
2772 | if (!umininf) { |
2773 | V00.Orientation(TopAbs_FORWARD); |
2774 | B.Add(evmin,V00); |
2775 | } |
2776 | if (!umaxinf) { |
2777 | V10.Orientation(TopAbs_REVERSED); |
2778 | B.Add(evmin,V10); |
2779 | } |
2780 | B.Range(evmin,UMin,UMax); |
2781 | if (vmindegen) |
2782 | B.Degenerated(evmin, Standard_True); |
2783 | } |
2784 | |
2785 | if (!vmaxinf) { |
2786 | if (vclosed) |
2787 | evmax = evmin; |
2788 | else { |
2789 | if (hasiso && !vmaxdegen) |
2790 | B.MakeEdge(evmax,Cvmax,tol); |
2791 | else |
2792 | B.MakeEdge(evmax); |
2793 | B.UpdateEdge(evmax,Lvmax,F,tol); |
2794 | if (!umininf) { |
2795 | V01.Orientation(TopAbs_FORWARD); |
2796 | B.Add(evmax,V01); |
2797 | } |
2798 | if (!umaxinf) { |
2799 | V11.Orientation(TopAbs_REVERSED); |
2800 | B.Add(evmax,V11); |
2801 | } |
2802 | B.Range(evmax,UMin,UMax); |
2803 | if (vmaxdegen) |
2804 | B.Degenerated(evmax, Standard_True); |
2805 | } |
2806 | } |
2807 | |
2808 | // make the wires and add them to the face |
2809 | eumin.Orientation(TopAbs_REVERSED); |
2810 | evmax.Orientation(TopAbs_REVERSED); |
2811 | |
2812 | TopoDS_Wire W; |
2813 | |
2814 | if (!umininf && !umaxinf && vmininf && vmaxinf) { |
2815 | // two wires in u |
2816 | B.MakeWire(W); |
2817 | B.Add(W,eumin); |
2818 | B.Add(F,W); |
2819 | B.MakeWire(W); |
2820 | B.Add(W,eumax); |
2821 | B.Add(F,W); |
2822 | F.Closed(uclosed); |
2823 | } |
2824 | |
2825 | else if (umininf && umaxinf && !vmininf && !vmaxinf) { |
2826 | // two wires in v |
2827 | B.MakeWire(W); |
2828 | B.Add(W,evmin); |
2829 | B.Add(F,W); |
2830 | B.MakeWire(W); |
2831 | B.Add(W,evmax); |
2832 | B.Add(F,W); |
2833 | F.Closed(vclosed); |
2834 | } |
2835 | |
2836 | else if (!umininf || !umaxinf || !vmininf || !vmaxinf) { |
2837 | // one wire |
2838 | B.MakeWire(W); |
2839 | if (!umininf) B.Add(W,eumin); |
2840 | if (!vmininf) B.Add(W,evmin); |
2841 | if (!umaxinf) B.Add(W,eumax); |
2842 | if (!vmaxinf) B.Add(W,evmax); |
2843 | B.Add(F,W); |
2844 | W.Closed(!umininf && !umaxinf && !vmininf && !vmaxinf); |
2845 | F.Closed(uclosed && vclosed); |
2846 | } |
2847 | } |
2848 | |
2849 | //======================================================================= |
2850 | //function : EnLargeGeometry |
2851 | //purpose : |
2852 | //======================================================================= |
2853 | |
2854 | static Standard_Boolean EnlargeGeometry(Handle(Geom_Surface)& S, |
2855 | Standard_Real& U1, |
2856 | Standard_Real& U2, |
2857 | Standard_Real& V1, |
2858 | Standard_Real& V2, |
2859 | Standard_Boolean& IsV1degen, |
2860 | Standard_Boolean& IsV2degen, |
2861 | const Standard_Real uf1, |
2862 | const Standard_Real uf2, |
2863 | const Standard_Real vf1, |
2864 | const Standard_Real vf2, |
2865 | const Standard_Boolean GlobalEnlargeU, |
2866 | const Standard_Boolean GlobalEnlargeVfirst, |
2867 | const Standard_Boolean GlobalEnlargeVlast) |
2868 | { |
2869 | const Standard_Real coeff = 4.; |
2870 | const Standard_Real TolApex = 1.e-5; |
2871 | |
2872 | Standard_Boolean SurfaceChange = Standard_False; |
2873 | if ( S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
2874 | Handle(Geom_Surface) BS = (*((Handle(Geom_RectangularTrimmedSurface)*)&S))->BasisSurface(); |
2875 | EnlargeGeometry(BS,U1,U2,V1,V2,IsV1degen,IsV2degen, |
2876 | uf1,uf2,vf1,vf2,GlobalEnlargeU,GlobalEnlargeVfirst,GlobalEnlargeVlast); |
2877 | if (!GlobalEnlargeVfirst) |
2878 | V1 = vf1; |
2879 | if (!GlobalEnlargeVlast) |
2880 | V2 = vf2; |
2881 | if (!GlobalEnlargeVfirst || !GlobalEnlargeVlast) |
2882 | //(*((Handle(Geom_RectangularTrimmedSurface)*)&S))->SetTrim( U1, U2, V1, V2 ); |
2883 | S = new Geom_RectangularTrimmedSurface( BS, U1, U2, V1, V2 ); |
2884 | else |
2885 | S = BS; |
2886 | SurfaceChange = Standard_True; |
2887 | } |
2888 | else if (S->DynamicType() == STANDARD_TYPE(Geom_OffsetSurface)) { |
2889 | Handle(Geom_Surface) Surf = (*((Handle(Geom_OffsetSurface)*)&S))->BasisSurface(); |
2890 | SurfaceChange = EnlargeGeometry(Surf,U1,U2,V1,V2,IsV1degen,IsV2degen, |
2891 | uf1,uf2,vf1,vf2,GlobalEnlargeU,GlobalEnlargeVfirst,GlobalEnlargeVlast); |
2892 | Handle(Geom_OffsetSurface)::DownCast(S)->SetBasisSurface(Surf); |
2893 | } |
2894 | else if (S->DynamicType() == STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion) || |
2895 | S->DynamicType() == STANDARD_TYPE(Geom_SurfaceOfRevolution)) |
2896 | { |
2897 | Standard_Real du=0., dv=0.; |
2898 | Handle( Geom_Curve ) uiso, viso, uiso1, uiso2, viso1, viso2; |
2899 | Standard_Real u1, u2, v1, v2; |
2900 | Standard_Boolean enlargeU = GlobalEnlargeU, enlargeV = Standard_True; |
2901 | Standard_Boolean enlargeUfirst = enlargeU, enlargeUlast = enlargeU; |
2902 | Standard_Boolean enlargeVfirst = GlobalEnlargeVfirst, enlargeVlast = GlobalEnlargeVlast; |
2903 | S->Bounds( u1, u2, v1, v2 ); |
2904 | if (Precision::IsInfinite(u1) || Precision::IsInfinite(u2)) |
2905 | { |
2906 | du = uf2-uf1; |
2907 | u1 = uf1-du; |
2908 | u2 = uf2+du; |
2909 | enlargeU = Standard_False; |
2910 | } |
2911 | else if (S->IsUClosed()) |
2912 | enlargeU = Standard_False; |
2913 | else |
2914 | { |
2915 | viso = S->VIso( vf1 ); |
2916 | GeomAdaptor_Curve gac( viso ); |
2917 | du = GCPnts_AbscissaPoint::Length( gac ) / coeff; |
2918 | uiso1 = S->UIso( uf1 ); |
2919 | uiso2 = S->UIso( uf2 ); |
2920 | if (BRepOffset_Tool::Gabarit( uiso1 ) <= TolApex) |
2921 | enlargeUfirst = Standard_False; |
2922 | if (BRepOffset_Tool::Gabarit( uiso2 ) <= TolApex) |
2923 | enlargeUlast = Standard_False; |
2924 | } |
2925 | if (Precision::IsInfinite(v1) || Precision::IsInfinite(v2)) |
2926 | { |
2927 | dv = vf2-vf1; |
2928 | v1 = vf1-dv; |
2929 | v2 = vf2+dv; |
2930 | enlargeV = Standard_False; |
2931 | } |
2932 | else if (S->IsVClosed()) |
2933 | enlargeV = Standard_False; |
2934 | else |
2935 | { |
2936 | uiso = S->UIso( uf1 ); |
2937 | GeomAdaptor_Curve gac( uiso ); |
2938 | dv = GCPnts_AbscissaPoint::Length( gac ) / coeff; |
2939 | viso1 = S->VIso( vf1 ); |
2940 | viso2 = S->VIso( vf2 ); |
2941 | if (BRepOffset_Tool::Gabarit( viso1 ) <= TolApex) |
2942 | { |
2943 | enlargeVfirst = Standard_False; |
2944 | IsV1degen = Standard_True; |
2945 | } |
2946 | if (BRepOffset_Tool::Gabarit( viso2 ) <= TolApex) |
2947 | { |
2948 | enlargeVlast = Standard_False; |
2949 | IsV2degen = Standard_True; |
2950 | } |
2951 | } |
2952 | S = new Geom_RectangularTrimmedSurface( S, u1, u2, v1, v2 ); |
2953 | if (enlargeU) |
2954 | { |
2955 | if (enlargeUfirst) |
2956 | GeomLib::ExtendSurfByLength( *((Handle(Geom_BoundedSurface)*)&S), du, 1, Standard_True, Standard_False ); |
2957 | if (enlargeUlast) |
2958 | GeomLib::ExtendSurfByLength( *((Handle(Geom_BoundedSurface)*)&S), du, 1, Standard_True, Standard_True ); |
2959 | } |
2960 | if (enlargeV) |
2961 | { |
2962 | if (enlargeVfirst) |
2963 | GeomLib::ExtendSurfByLength( *((Handle(Geom_BoundedSurface)*)&S), dv, 1, Standard_False, Standard_False ); |
2964 | if (enlargeVlast) |
2965 | GeomLib::ExtendSurfByLength( *((Handle(Geom_BoundedSurface)*)&S), dv, 1, Standard_False, Standard_True ); |
2966 | } |
2967 | S->Bounds( U1, U2, V1, V2 ); |
2968 | SurfaceChange = Standard_True; |
2969 | } |
2970 | else if (S->DynamicType() == STANDARD_TYPE(Geom_BezierSurface) || |
2971 | S->DynamicType() == STANDARD_TYPE(Geom_BSplineSurface)) |
2972 | { |
2973 | Standard_Boolean enlargeU = GlobalEnlargeU, enlargeV = Standard_True; |
2974 | Standard_Boolean enlargeUfirst = enlargeU, enlargeUlast = enlargeU; |
2975 | Standard_Boolean enlargeVfirst = GlobalEnlargeVfirst, enlargeVlast = GlobalEnlargeVlast; |
2976 | if (S->IsUClosed()) |
2977 | enlargeU = Standard_False; |
2978 | if (S->IsVClosed()) |
2979 | enlargeV = Standard_False; |
2980 | |
2981 | Standard_Real duf = uf2-uf1, dvf = vf2-vf1; |
2982 | Standard_Real u1, u2, v1, v2; |
2983 | S->Bounds( u1, u2, v1, v2 ); |
2984 | |
2985 | Standard_Real du=0., dv=0.; |
2986 | Handle( Geom_Curve ) uiso, viso, uiso1, uiso2, viso1, viso2; |
2987 | GeomAdaptor_Curve gac; |
2988 | if (enlargeU) |
2989 | { |
2990 | viso = S->VIso( v1 ); |
2991 | gac.Load( viso ); |
2992 | du = GCPnts_AbscissaPoint::Length( gac ) / coeff; |
2993 | uiso1 = S->UIso( u1 ); |
2994 | uiso2 = S->UIso( u2 ); |
2995 | if (BRepOffset_Tool::Gabarit( uiso1 ) <= TolApex) |
2996 | enlargeUfirst = Standard_False; |
2997 | if (BRepOffset_Tool::Gabarit( uiso2 ) <= TolApex) |
2998 | enlargeUlast = Standard_False; |
2999 | } |
3000 | if (enlargeV) |
3001 | { |
3002 | uiso = S->UIso( u1 ); |
3003 | gac.Load( uiso ); |
3004 | dv = GCPnts_AbscissaPoint::Length( gac ) / coeff; |
3005 | viso1 = S->VIso( v1 ); |
3006 | viso2 = S->VIso( v2 ); |
3007 | if (BRepOffset_Tool::Gabarit( viso1 ) <= TolApex) |
3008 | { |
3009 | enlargeVfirst = Standard_False; |
3010 | IsV1degen = Standard_True; |
3011 | } |
3012 | if (BRepOffset_Tool::Gabarit( viso2 ) <= TolApex) |
3013 | { |
3014 | enlargeVlast = Standard_False; |
3015 | IsV2degen = Standard_True; |
3016 | } |
3017 | } |
3018 | |
3019 | if (enlargeU) |
3020 | { |
3021 | if (enlargeUfirst && uf1-u1 < duf) |
3022 | GeomLib::ExtendSurfByLength( *((Handle(Geom_BoundedSurface)*)&S), du, 1, Standard_True, Standard_False ); |
3023 | if (enlargeUlast && u2-uf2 < duf) |
3024 | GeomLib::ExtendSurfByLength( *((Handle(Geom_BoundedSurface)*)&S), du, 1, Standard_True, Standard_True ); |
3025 | } |
3026 | if (enlargeV) |
3027 | { |
3028 | if (enlargeVfirst && vf1-v1 < dvf) |
3029 | GeomLib::ExtendSurfByLength( *((Handle(Geom_BoundedSurface)*)&S), dv, 1, Standard_False, Standard_False ); |
3030 | if (enlargeVlast && v2-vf2 < dvf) |
3031 | GeomLib::ExtendSurfByLength( *((Handle(Geom_BoundedSurface)*)&S), dv, 1, Standard_False, Standard_True ); |
3032 | } |
3033 | |
3034 | S->Bounds( U1, U2, V1, V2 ); |
3035 | SurfaceChange = Standard_True; |
3036 | } |
3037 | // else if (S->DynamicType() == STANDARD_TYPE(Geom_BezierSurface) || |
3038 | // S->DynamicType() == STANDARD_TYPE(Geom_BSplineSurface)) { |
3039 | // S->Bounds(U1,U2,V1,V2); |
3040 | // } |
3041 | else { |
3042 | Standard_Real UU1,UU2,VV1,VV2; |
3043 | S->Bounds(UU1,UU2,VV1,VV2); |
3044 | // Pas d extension au dela des bornes de la surface. |
3045 | U1 = Max(UU1,U1); |
3046 | V1 = Max(VV1,V1); |
3047 | U2 = Min(UU2,U2); |
3048 | V2 = Min(VV2,V2); |
3049 | } |
3050 | return SurfaceChange; |
3051 | } |
3052 | |
3053 | //======================================================================= |
3054 | //function : UpDatePCurve |
3055 | //purpose : Mise a jour des pcurves de F sur la surface de de BF. |
3056 | // F and BF has to be FORWARD, |
3057 | //======================================================================= |
3058 | |
3059 | static void UpdatePCurves (const TopoDS_Face& F, |
3060 | TopoDS_Face& BF) |
3061 | { |
3062 | Standard_Real f,l; |
3063 | Standard_Integer i; |
3064 | BRep_Builder B; |
3065 | TopTools_IndexedMapOfShape Emap; |
3066 | Handle(Geom2d_Curve) NullPCurve; |
3067 | |
3068 | TopExp::MapShapes( F, TopAbs_EDGE, Emap ); |
3069 | |
3070 | for (i = 1; i <= Emap.Extent(); i++) |
3071 | { |
3072 | TopoDS_Edge CE = TopoDS::Edge( Emap(i) ); |
3073 | CE.Orientation( TopAbs_FORWARD ); |
3074 | Handle(Geom2d_Curve) C2 = BRep_Tool::CurveOnSurface( CE, F, f, l ); |
3075 | if (!C2.IsNull()) |
3076 | { |
3077 | if (BRep_Tool::IsClosed( CE, F )) |
3078 | { |
3079 | CE.Reverse(); |
3080 | Handle(Geom2d_Curve) C2R = BRep_Tool::CurveOnSurface( CE, F, f, l ); |
3081 | B.UpdateEdge( CE, NullPCurve, NullPCurve, F, BRep_Tool::Tolerance(CE) ); |
3082 | B.UpdateEdge( CE, C2, C2R, BF, BRep_Tool::Tolerance(CE) ); |
3083 | } |
3084 | else |
3085 | { |
3086 | B.UpdateEdge( CE, NullPCurve, F, BRep_Tool::Tolerance(CE) ); |
3087 | B.UpdateEdge( CE, C2, BF, BRep_Tool::Tolerance(CE) ); |
3088 | } |
3089 | |
3090 | B.Range(CE,f,l); |
3091 | } |
3092 | } |
3093 | } |
3094 | |
3095 | //======================================================================= |
3096 | //function :CompactUVBounds |
3097 | //purpose : |
3098 | //======================================================================= |
3099 | |
3100 | static void CompactUVBounds (const TopoDS_Face& F, |
3101 | Standard_Real& UMin, |
3102 | Standard_Real& UMax, |
3103 | Standard_Real& VMin, |
3104 | Standard_Real& VMax) |
3105 | { |
3106 | // Calcul serre pour que les bornes ne couvrent pas plus d une periode |
3107 | Standard_Real U1,U2; |
3108 | Standard_Real N = 33; |
3109 | Bnd_Box2d B; |
3110 | |
3111 | TopExp_Explorer exp; |
3112 | for (exp.Init(F, TopAbs_EDGE); exp.More(); exp.Next()) { |
3113 | const TopoDS_Edge& E = TopoDS::Edge(exp.Current()); |
3114 | BRepAdaptor_Curve2d C(E,F); |
3115 | BRep_Tool::Range(E,U1,U2); |
3116 | gp_Pnt2d P; |
3117 | Standard_Real U = U1; |
3118 | Standard_Real DU = (U2-U1)/(N-1); |
3119 | for (Standard_Integer j=1;j<N;j++) { |
3120 | C.D0(U,P); |
3121 | U+=DU; |
3122 | B.Add(P); |
3123 | } |
3124 | C.D0(U2,P); |
3125 | B.Add(P); |
3126 | } |
3127 | B.Get(UMin,VMin,UMax,VMax); |
3128 | } |
3129 | |
3130 | //======================================================================= |
3131 | //function : CheckBounds |
3132 | //purpose : |
3133 | //======================================================================= |
3134 | |
3135 | void BRepOffset_Tool::CheckBounds(const TopoDS_Face& F, |
3136 | const BRepOffset_Analyse& Analyse, |
3137 | Standard_Boolean& enlargeU, |
3138 | Standard_Boolean& enlargeVfirst, |
3139 | Standard_Boolean& enlargeVlast) |
3140 | { |
3141 | enlargeU = Standard_True; |
3142 | enlargeVfirst = Standard_True; enlargeVlast = Standard_True; |
3143 | |
3144 | Standard_Integer Ubound = 0, Vbound = 0; |
3145 | Standard_Real Ufirst = RealLast(), Ulast = RealFirst(); |
3146 | Standard_Real Vfirst = RealLast(), Vlast = RealFirst(); |
3147 | |
3148 | Standard_Real UF1,UF2,VF1,VF2; |
3149 | CompactUVBounds(F,UF1,UF2,VF1,VF2); |
3150 | |
3151 | Handle(Geom_Surface) theSurf = BRep_Tool::Surface(F); |
3152 | if (theSurf->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) |
3153 | theSurf = (*((Handle(Geom_RectangularTrimmedSurface)*)&theSurf))->BasisSurface(); |
3154 | |
3155 | if (theSurf->DynamicType() == STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion) || |
3156 | theSurf->DynamicType() == STANDARD_TYPE(Geom_SurfaceOfRevolution) || |
3157 | theSurf->DynamicType() == STANDARD_TYPE(Geom_BezierSurface) || |
3158 | theSurf->DynamicType() == STANDARD_TYPE(Geom_BSplineSurface)) |
3159 | { |
3160 | TopExp_Explorer Explo(F, TopAbs_EDGE); |
3161 | for (; Explo.More(); Explo.Next()) |
3162 | { |
3163 | const TopoDS_Edge& anEdge = TopoDS::Edge(Explo.Current()); |
3164 | const BRepOffset_ListOfInterval& L = Analyse.Type(anEdge); |
3165 | if (!L.IsEmpty() || BRep_Tool::Degenerated(anEdge)) |
3166 | { |
3167 | BRepOffset_Type OT = L.First().Type(); |
3168 | if (OT == BRepOffset_Tangent || BRep_Tool::Degenerated(anEdge)) |
3169 | { |
3170 | Standard_Real fpar, lpar; |
3171 | Handle(Geom2d_Curve) aCurve = BRep_Tool::CurveOnSurface(anEdge, F, fpar, lpar); |
3172 | if (aCurve->DynamicType() == STANDARD_TYPE(Geom2d_TrimmedCurve)) |
3173 | aCurve = (*((Handle(Geom2d_TrimmedCurve)*)&aCurve))->BasisCurve(); |
3174 | |
3175 | Handle(Geom2d_Line) theLine; |
3176 | if (aCurve->DynamicType() == STANDARD_TYPE(Geom2d_Line)) |
3177 | theLine = *((Handle(Geom2d_Line)*)&aCurve); |
3178 | else if (aCurve->DynamicType() == STANDARD_TYPE(Geom2d_BezierCurve) || |
3179 | aCurve->DynamicType() == STANDARD_TYPE(Geom2d_BSplineCurve)) |
3180 | { |
3181 | Standard_Real newFpar, newLpar, deviation; |
3182 | theLine = ShapeCustom_Curve2d::ConvertToLine2d(aCurve, fpar, lpar, Precision::Confusion(), |
3183 | newFpar, newLpar, deviation); |
3184 | } |
3185 | |
3186 | if (!theLine.IsNull()) |
3187 | { |
3188 | gp_Dir2d theDir = theLine->Direction(); |
3189 | if (theDir.IsParallel( gp::DX2d(), Precision::Angular() )) |
3190 | { |
3191 | Vbound++; |
3192 | if (BRep_Tool::Degenerated(anEdge)) |
3193 | { |
3194 | if (Abs(theLine->Location().Y() - VF1) <= Precision::Confusion()) |
3195 | enlargeVfirst = Standard_False; |
3196 | else //theLine->Location().Y() is near VF2 |
3197 | enlargeVlast = Standard_False; |
3198 | } |
3199 | else |
3200 | { |
3201 | if (theLine->Location().Y() < Vfirst) |
3202 | Vfirst = theLine->Location().Y(); |
3203 | if (theLine->Location().Y() > Vlast) |
3204 | Vlast = theLine->Location().Y(); |
3205 | } |
3206 | } |
3207 | else if (theDir.IsParallel( gp::DY2d(), Precision::Angular() )) |
3208 | { |
3209 | Ubound++; |
3210 | if (theLine->Location().X() < Ufirst) |
3211 | Ufirst = theLine->Location().X(); |
3212 | if (theLine->Location().X() > Ulast) |
3213 | Ulast = theLine->Location().X(); |
3214 | } |
3215 | } |
3216 | } |
3217 | } |
3218 | } |
3219 | } |
3220 | |
3221 | if (Ubound >= 2 || Vbound >= 2) |
3222 | { |
3223 | if (Ubound >= 2 && |
3224 | Abs(UF1-Ufirst) <= Precision::Confusion() && |
3225 | Abs(UF2-Ulast) <= Precision::Confusion()) |
3226 | enlargeU = Standard_False; |
3227 | if (Vbound >= 2 && |
3228 | Abs(VF1-Vfirst) <= Precision::Confusion() && |
3229 | Abs(VF2-Vlast) <= Precision::Confusion()) |
3230 | { |
3231 | enlargeVfirst = Standard_False; |
3232 | enlargeVlast = Standard_False; |
3233 | } |
3234 | } |
3235 | } |
3236 | |
3237 | //======================================================================= |
3238 | //function : EnLargeFace |
3239 | //purpose : |
3240 | //======================================================================= |
3241 | |
3242 | Standard_Boolean BRepOffset_Tool::EnLargeFace |
3243 | (const TopoDS_Face& F, |
3244 | TopoDS_Face& BF, |
3245 | const Standard_Boolean CanExtentSurface, |
3246 | const Standard_Boolean UpdatePCurve, |
3247 | const Standard_Boolean enlargeU, |
3248 | const Standard_Boolean enlargeVfirst, |
3249 | const Standard_Boolean enlargeVlast) |
3250 | { |
3251 | //--------------------------- |
3252 | // extension de la geometrie. |
3253 | //--------------------------- |
3254 | TopLoc_Location L; |
3255 | Handle (Geom_Surface) S = BRep_Tool::Surface(F,L); |
3256 | Standard_Real UU1,VV1,UU2,VV2; |
3257 | Standard_Boolean isVV1degen = Standard_False, isVV2degen = Standard_False; |
3258 | Standard_Real US1,VS1,US2,VS2; |
3259 | Standard_Real UF1,VF1,UF2,VF2; |
3260 | Standard_Real infini = 1.e8; |
3261 | Standard_Boolean SurfaceChange = Standard_False; |
3262 | |
3263 | if (S->IsUPeriodic() || S->IsVPeriodic()) { |
3264 | // Calcul serre pour que les bornes ne couvre pas plus d une periode |
3265 | CompactUVBounds(F,UF1,UF2,VF1,VF2); |
3266 | } |
3267 | else { |
3268 | BRepTools::UVBounds(F,UF1,UF2,VF1,VF2); |
3269 | } |
3270 | |
3271 | S->Bounds (US1,US2,VS1,VS2); |
3272 | UU1 = VV1 = - infini; |
3273 | UU2 = VV2 = infini; |
3274 | |
3275 | if (CanExtentSurface) { |
3276 | SurfaceChange = EnlargeGeometry( S, UU1, UU2, VV1, VV2, isVV1degen, isVV2degen, UF1, UF2, VF1, VF2, |
3277 | enlargeU, enlargeVfirst, enlargeVlast ); |
3278 | } |
3279 | else { |
3280 | UU1 = Max(US1,UU1); UU2 = Min(UU2,US2); |
3281 | VV1 = Max(VS1,VV1); VV2 = Min(VS2,VV2); |
3282 | } |
3283 | |
3284 | if (S->IsUPeriodic()) { |
3285 | Standard_Real Period = S->UPeriod(); |
3286 | Standard_Real Delta = Period - (UF2 - UF1); |
3287 | Standard_Real alpha = 0.1; |
3288 | UU1 = UF1 - alpha*Delta; UU2 = UF2 + alpha*Delta; |
3289 | if ((UU2 - UU1) > Period) { |
3290 | UU2 = UU1 + Period; |
3291 | } |
3292 | } |
3293 | if (S->IsVPeriodic()) { |
3294 | Standard_Real Period = S->VPeriod(); |
3295 | Standard_Real Delta = Period - (VF2 - VF1); |
3296 | Standard_Real alpha = 0.1; |
3297 | VV1 = VF1 - alpha*Delta; VV2 = VF2 + alpha*Delta; |
3298 | if ((VV2 - VV1) > Period) { |
3299 | VV2 = VV1 + Period; |
3300 | } |
3301 | } |
3302 | |
3303 | //Special treatment for conical surfaces |
3304 | Handle(Geom_Surface) theSurf = S; |
3305 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) |
3306 | theSurf = (*(Handle_Geom_RectangularTrimmedSurface*)&S)->BasisSurface(); |
3307 | if (theSurf->DynamicType() == STANDARD_TYPE(Geom_ConicalSurface)) |
3308 | { |
3309 | Handle(Geom_ConicalSurface) ConicalS = *((Handle(Geom_ConicalSurface)*) &theSurf); |
3310 | gp_Cone theCone = ConicalS->Cone(); |
3311 | gp_Pnt theApex = theCone.Apex(); |
3312 | Standard_Real Uapex, Vapex; |
3313 | ElSLib::Parameters( theCone, theApex, Uapex, Vapex ); |
3314 | if (VV1 < Vapex && Vapex < VV2) |
3315 | { |
3316 | //consider that VF1 and VF2 are on the same side from apex |
3317 | Standard_Real TolApex = 1.e-5; |
3318 | if (Vapex - VF1 >= TolApex || |
3319 | Vapex - VF2 >= TolApex) //if (VF1 < Vapex || VF2 < Vapex) |
3320 | VV2 = Vapex; |
3321 | else |
3322 | VV1 = Vapex; |
3323 | } |
3324 | } |
3325 | |
3326 | if (!enlargeU) |
3327 | { |
3328 | UU1 = UF1; UU2 = UF2; |
3329 | } |
3330 | if (!enlargeVfirst) |
3331 | VV1 = VF1; |
3332 | if (!enlargeVlast) |
3333 | VV2 = VF2; |
3334 | |
3335 | MakeFace(S,UU1,UU2,VV1,VV2,isVV1degen,isVV2degen,BF); |
3336 | BF.Location(L); |
3337 | /* |
3338 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
3339 | BRep_Builder B; |
3340 | //---------------------------------------------------------------- |
3341 | // utile pour les bouchons on ne doit pas changer leur geometrie. |
3342 | // (Ce que fait BRepLib_MakeFace si S est restreinte). |
3343 | // On remet S et on update les pcurves. |
3344 | //---------------------------------------------------------------- |
3345 | TopExp_Explorer exp; |
3346 | exp.Init(BF,TopAbs_EDGE); |
3347 | Standard_Real f=0.,l=0.; |
3348 | for (; exp.More(); exp.Next()) { |
3349 | TopoDS_Edge CE = TopoDS::Edge(exp.Current()); |
3350 | Handle(Geom2d_Curve) C2 = BRep_Tool::CurveOnSurface(CE,BF,f,l); |
3351 | B.UpdateEdge (CE,C2,S,L,BRep_Tool::Tolerance(CE)); |
3352 | } |
3353 | B.UpdateFace(BF,S,L,BRep_Tool::Tolerance(F)); |
3354 | } |
3355 | */ |
3356 | if (SurfaceChange && UpdatePCurve) { |
3357 | TopoDS_Shape aLocalFace = F.Oriented(TopAbs_FORWARD); |
3358 | UpdatePCurves(TopoDS::Face(aLocalFace),BF); |
3359 | //UpdatePCurves(TopoDS::Face(F.Oriented(TopAbs_FORWARD)),BF); |
3360 | BRep_Builder BB; |
3361 | BB.UpdateFace( F, S, L, BRep_Tool::Tolerance(F) ); |
3362 | } |
3363 | |
3364 | BF.Orientation(F.Orientation()); |
3365 | return SurfaceChange; |
3366 | } |
3367 | |
3368 | //======================================================================= |
3369 | //function : TryParameter |
3370 | //purpose : |
3371 | //======================================================================= |
3372 | |
3373 | static Standard_Boolean TryParameter (const TopoDS_Edge& OE, |
3374 | TopoDS_Vertex& V, |
3375 | const TopoDS_Edge& NE, |
3376 | Standard_Real TolConf) |
3377 | { |
3378 | BRepAdaptor_Curve OC(OE); |
3379 | BRepAdaptor_Curve NC(NE); |
3380 | Standard_Real Of = OC.FirstParameter(); Standard_Real Ol = OC.LastParameter(); |
3381 | Standard_Real Nf = NC.FirstParameter(); Standard_Real Nl = NC.LastParameter(); |
3382 | #ifndef DEB |
3383 | Standard_Real U = 0.; |
3384 | #else |
3385 | Standard_Real U; |
3386 | #endif |
3387 | gp_Pnt P = BRep_Tool::Pnt(V); |
3388 | Standard_Boolean OK = Standard_False; |
3389 | |
3390 | if (P.Distance(OC.Value(Of)) < TolConf) { |
3391 | if (Of > Nf && Of < Nl && P.Distance(NC.Value(Of)) < TolConf) { |
3392 | OK = Standard_True; |
3393 | U = Of; |
3394 | } |
3395 | } |
3396 | if (P.Distance(OC.Value(Ol)) < TolConf) { |
3397 | if (Ol > Nf && Ol < Nl && P.Distance(NC.Value(Ol)) < TolConf) { |
3398 | OK = Standard_True; |
3399 | U = Ol; |
3400 | } |
3401 | } |
3402 | if (OK) { |
3403 | BRep_Builder B; |
3404 | TopoDS_Shape aLocalShape = NE.Oriented(TopAbs_FORWARD); |
3405 | TopoDS_Edge EE = TopoDS::Edge(aLocalShape); |
3406 | // TopoDS_Edge EE = TopoDS::Edge(NE.Oriented(TopAbs_FORWARD)); |
3407 | aLocalShape = V.Oriented(TopAbs_INTERNAL); |
3408 | B.UpdateVertex(TopoDS::Vertex(aLocalShape), |
3409 | U,NE,BRep_Tool::Tolerance(NE)); |
3410 | // B.UpdateVertex(TopoDS::Vertex(V.Oriented(TopAbs_INTERNAL)), |
3411 | // U,NE,BRep_Tool::Tolerance(NE)); |
3412 | } |
3413 | return OK; |
3414 | } |
3415 | |
3416 | //======================================================================= |
3417 | //function : |
3418 | //purpose : |
3419 | //======================================================================= |
3420 | |
3421 | void BRepOffset_Tool::MapVertexEdges (const TopoDS_Shape& S, |
3422 | TopTools_DataMapOfShapeListOfShape& MEV) |
3423 | { |
3424 | TopExp_Explorer exp; |
3425 | exp.Init(S.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
3426 | TopTools_MapOfShape DejaVu; |
3427 | for ( ; exp.More(); exp.Next()) { |
3428 | const TopoDS_Edge& E = TopoDS::Edge(exp.Current()); |
3429 | if (DejaVu.Add(E)) { |
3430 | TopoDS_Vertex V1,V2; |
3431 | TopExp::Vertices (E,V1,V2); |
3432 | if (!MEV.IsBound(V1)) { |
3433 | TopTools_ListOfShape empty; |
3434 | MEV.Bind(V1,empty); |
3435 | } |
3436 | MEV(V1).Append(E); |
3437 | if (!V1.IsSame(V2)) { |
3438 | if (!MEV.IsBound(V2)) { |
3439 | TopTools_ListOfShape empty; |
3440 | MEV.Bind(V2,empty); |
3441 | } |
3442 | MEV(V2).Append(E); |
3443 | } |
3444 | } |
3445 | } |
3446 | } |
3447 | |
3448 | //======================================================================= |
3449 | //function : |
3450 | //purpose : |
3451 | //======================================================================= |
3452 | |
3453 | void BRepOffset_Tool::BuildNeighbour (const TopoDS_Wire& W, |
3454 | const TopoDS_Face& F, |
3455 | TopTools_DataMapOfShapeShape& NOnV1, |
3456 | TopTools_DataMapOfShapeShape& NOnV2) |
3457 | { |
3458 | TopoDS_Vertex V1,V2,VP1,VP2,FV1,FV2; |
3459 | TopoDS_Edge CurE,FirstE,PrecE; |
3460 | BRepTools_WireExplorer wexp; |
3461 | |
3462 | TopoDS_Shape aLocalFace = F.Oriented(TopAbs_FORWARD); |
3463 | TopoDS_Shape aLocalWire = W.Oriented(TopAbs_FORWARD); |
3464 | wexp.Init(TopoDS::Wire(aLocalWire),TopoDS::Face(aLocalFace)); |
3465 | // wexp.Init(TopoDS::Wire(W.Oriented(TopAbs_FORWARD)), |
3466 | // TopoDS::Face(F.Oriented(TopAbs_FORWARD))); |
3467 | CurE = FirstE = PrecE = wexp.Current(); |
3468 | TopExp::Vertices(CurE,V1,V2); |
3469 | FV1 = VP1 = V1; FV2 = VP2 = V2; |
3470 | wexp.Next(); |
3471 | while (wexp.More()) { |
3472 | CurE = wexp.Current(); |
3473 | TopExp::Vertices(CurE,V1,V2); |
3474 | if (V1.IsSame(VP1)) { NOnV1.Bind(PrecE,CurE); NOnV1.Bind(CurE,PrecE);} |
3475 | if (V1.IsSame(VP2)) { NOnV2.Bind(PrecE,CurE); NOnV1.Bind(CurE,PrecE);} |
3476 | if (V2.IsSame(VP1)) { NOnV1.Bind(PrecE,CurE); NOnV2.Bind(CurE,PrecE);} |
3477 | if (V2.IsSame(VP2)) { NOnV2.Bind(PrecE,CurE); NOnV2.Bind(CurE,PrecE);} |
3478 | PrecE = CurE; |
3479 | VP1 = V1; VP2 = V2; |
3480 | wexp.Next(); |
3481 | } |
3482 | if (V1.IsSame(FV1)) { NOnV1.Bind(FirstE,CurE); NOnV1.Bind(CurE,FirstE);} |
3483 | if (V1.IsSame(FV2)) { NOnV2.Bind(FirstE,CurE); NOnV1.Bind(CurE,FirstE);} |
3484 | if (V2.IsSame(FV1)) { NOnV1.Bind(FirstE,CurE); NOnV2.Bind(CurE,FirstE);} |
3485 | if (V2.IsSame(FV2)) { NOnV2.Bind(FirstE,CurE); NOnV2.Bind(CurE,FirstE);} |
3486 | } |
3487 | |
3488 | //======================================================================= |
3489 | //function : ExtentFace |
3490 | //purpose : |
3491 | //======================================================================= |
3492 | |
3493 | void BRepOffset_Tool::ExtentFace (const TopoDS_Face& F, |
3494 | TopTools_DataMapOfShapeShape& ConstShapes, |
3495 | TopTools_DataMapOfShapeShape& ToBuild, |
3496 | const TopAbs_State Side, |
3497 | const Standard_Real TolConf, |
3498 | TopoDS_Face& NF) |
3499 | { |
3500 | #ifdef DRAW |
3501 | if (AffichInter) { |
3502 | // POP pour NT |
3503 | char* name = new char[100]; |
3504 | sprintf(name,"FTE_%d",NbFTE++); |
3505 | DBRep::Set(name,F); |
3506 | } |
3507 | #endif |
3508 | |
3509 | TopExp_Explorer exp,exp2; |
3510 | TopTools_DataMapOfShapeShape Build; |
3511 | TopTools_DataMapOfShapeShape Extent; |
3512 | TopoDS_Edge FirstE,PrecE,CurE,NE; |
3513 | BRep_Builder B; |
3514 | TopoDS_Face EF; |
3515 | |
3516 | // Construction de la boite englobante de la face a etendre et des bouchons pour |
3517 | // limiter les extensions. |
3518 | //Bnd_Box ContextBox; |
3519 | //BRepBndLib::Add(F,B); |
3520 | //TopTools_DataMapIteratorOfDataMapOfShape itTB(ToBuild); |
3521 | //for (; itTB.More(); itTB.Next()) { |
3522 | //BRepBndLib::Add(TopBuild.Value(), ContextBox); |
3523 | //} |
3524 | |
3525 | |
3526 | Standard_Boolean SurfaceChange; |
3527 | SurfaceChange = EnLargeFace (F,EF,Standard_True); |
3528 | |
3529 | TopoDS_Shape aLocalShape = EF.EmptyCopied(); |
3530 | NF = TopoDS::Face(aLocalShape); |
3531 | // NF = TopoDS::Face(EF.EmptyCopied()); |
3532 | NF.Orientation(TopAbs_FORWARD); |
3533 | |
3534 | if (SurfaceChange) { |
3535 | //------------------------------------------------ |
3536 | // Mise a jour des pcurves sur la surface de base. |
3537 | //------------------------------------------------ |
3538 | TopoDS_Face Fforward = F; |
3539 | Fforward.Orientation(TopAbs_FORWARD); |
3540 | TopTools_IndexedMapOfShape Emap; |
3541 | TopExp::MapShapes( Fforward, TopAbs_EDGE, Emap ); |
3542 | Standard_Real f,l; |
3543 | for (Standard_Integer i = 1; i <= Emap.Extent(); i++) { |
3544 | TopoDS_Edge CE = TopoDS::Edge( Emap(i) ); |
3545 | CE.Orientation(TopAbs_FORWARD); |
3546 | TopoDS_Edge Ecs; //patch |
3547 | Handle(Geom2d_Curve) C2 = BRep_Tool::CurveOnSurface(CE,Fforward,f,l); |
3548 | if (!C2.IsNull()) { |
3549 | if (ConstShapes.IsBound(CE)) { |
3550 | Ecs = TopoDS::Edge(ConstShapes(CE)); |
3551 | BRep_Tool::Range(Ecs,f,l); |
3552 | } |
3553 | if (BRep_Tool::IsClosed(CE,Fforward)) { |
3554 | TopoDS_Shape aLocalShape = CE.Reversed(); |
3555 | Handle(Geom2d_Curve) C2R = |
3556 | BRep_Tool::CurveOnSurface(TopoDS::Edge(aLocalShape),Fforward,f,l); |
3557 | // Handle(Geom2d_Curve) C2R = |
3558 | // BRep_Tool::CurveOnSurface(TopoDS::Edge(CE.Reversed()),F,f,l); |
3559 | B.UpdateEdge (CE,C2,C2R,EF,BRep_Tool::Tolerance(CE)); |
3560 | if (! Ecs.IsNull()) |
3561 | B.UpdateEdge (Ecs,C2,C2R,EF,BRep_Tool::Tolerance(CE)); |
3562 | } |
3563 | else { |
3564 | B.UpdateEdge (CE,C2,EF,BRep_Tool::Tolerance(CE)); |
3565 | if (! Ecs.IsNull()) |
3566 | B.UpdateEdge (Ecs,C2,EF,BRep_Tool::Tolerance(CE)); |
3567 | } |
3568 | B.Range(CE,f,l); |
3569 | if (! Ecs.IsNull()) |
3570 | B.Range(Ecs,f,l); |
3571 | } |
3572 | } |
3573 | } |
3574 | |
3575 | for (exp.Init(F.Oriented(TopAbs_FORWARD),TopAbs_WIRE); |
3576 | exp.More(); |
3577 | exp.Next()) { |
3578 | const TopoDS_Wire& W = TopoDS::Wire(exp.Current()); |
3579 | TopTools_DataMapOfShapeListOfShape MVE; // Vertex -> Edges incidentes. |
3580 | TopTools_DataMapOfShapeShape NOnV1; |
3581 | TopTools_DataMapOfShapeShape NOnV2; |
3582 | |
3583 | MapVertexEdges (W,MVE); |
3584 | BuildNeighbour (W,F,NOnV1,NOnV2); |
3585 | |
3586 | TopTools_ListOfShape LInt1,LInt2; |
3587 | TopoDS_Face StopFace; |
3588 | //------------------------------------------------ |
3589 | // Construction edges |
3590 | //------------------------------------------------ |
3591 | for (exp2.Init(W.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
3592 | exp2.More(); exp2.Next()) { |
3593 | const TopoDS_Edge& E = TopoDS::Edge(exp2.Current()); |
3594 | if (ConstShapes.IsBound(E)) ToBuild.UnBind(E); |
3595 | if (ToBuild.IsBound(E)) { |
3596 | TopTools_ListOfShape LOE; |
3597 | LOE.Append(E); |
3598 | BRepOffset_Tool::TryProject (TopoDS::Face(ToBuild(E)), |
3599 | EF,LOE,LInt2,LInt1,Side,TolConf); |
3600 | if (!LInt1.IsEmpty()) |
3601 | ToBuild.UnBind(E); |
3602 | } |
3603 | } |
3604 | |
3605 | for (exp2.Init(W.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
3606 | exp2.More(); exp2.Next()) { |
3607 | const TopoDS_Edge& E = TopoDS::Edge(exp2.Current()); |
3608 | if (ConstShapes.IsBound(E)) ToBuild.UnBind(E); |
3609 | if (ToBuild.IsBound(E)) { |
3610 | EnLargeFace(TopoDS::Face(ToBuild(E)),StopFace,Standard_False); |
3611 | BRepOffset_Tool::Inter3D (EF,StopFace,LInt1,LInt2,Side,E,Standard_True); |
3612 | if (LInt1.Extent() > 1) { |
3613 | // l intersection est en plusieurs edges (franchissement de couture) |
3614 | SelectEdge (F,EF,E,LInt1); |
3615 | } |
3616 | NE = TopoDS::Edge(LInt1.First()); |
3617 | Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*) &NE.TShape()); |
3618 | TE->Tolerance( TE->Tolerance()*10. ); //???? |
3619 | if (NE.Orientation() == E.Orientation()) { |
3620 | Build.Bind(E,NE.Oriented(TopAbs_FORWARD)); |
3621 | } |
3622 | else { |
3623 | Build.Bind(E,NE.Oriented(TopAbs_REVERSED)); |
3624 | } |
3625 | const TopoDS_Edge& EOnV1 = TopoDS::Edge(NOnV1(E)); |
3626 | if (!ToBuild .IsBound(EOnV1) && |
3627 | !ConstShapes.IsBound(EOnV1) && |
3628 | !Build .IsBound(EOnV1)) { |
3629 | ExtentEdge (F,EF,EOnV1,NE); |
3630 | Build.Bind (EOnV1,NE.Oriented(TopAbs_FORWARD)); |
3631 | } |
3632 | const TopoDS_Edge& EOnV2 = TopoDS::Edge(NOnV2(E)); |
3633 | if (!ToBuild .IsBound(EOnV2) && |
3634 | !ConstShapes.IsBound(EOnV2) && |
3635 | !Build .IsBound(EOnV2)) { |
3636 | ExtentEdge (F,EF,EOnV2,NE); |
3637 | Build.Bind (EOnV2,NE.Oriented (TopAbs_FORWARD)); |
3638 | } |
3639 | } |
3640 | } |
3641 | |
3642 | //------------------------------------------------ |
3643 | // Construction Vertex. |
3644 | //------------------------------------------------ |
3645 | TopTools_ListOfShape LV; |
3646 | Standard_Real f,l; |
3647 | TopoDS_Edge ERef; |
3648 | TopoDS_Vertex V1,V2; |
3649 | |
3650 | for (exp2.Init(W.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
3651 | exp2.More(); exp2.Next()) { |
3652 | const TopoDS_Edge& E = TopoDS::Edge(exp2.Current()); |
3653 | TopExp::Vertices (E,V1,V2); |
3654 | BRep_Tool::Range (E,f,l); |
3655 | TopoDS_Vertex V; |
3656 | if (Build.IsBound(E)) { |
3657 | const TopoDS_Edge& NEOnV1 = TopoDS::Edge(NOnV1(E)); |
3658 | if (Build.IsBound(NEOnV1) && |
3659 | (ToBuild.IsBound(E) || ToBuild.IsBound(NEOnV1))) { |
3660 | if (E.IsSame(NEOnV1)) |
3661 | V = TopExp::FirstVertex(TopoDS::Edge(Build(E))); |
3662 | else { |
3663 | //--------------- |
3664 | // intersection. |
3665 | //--------------- |
3666 | if (!Build.IsBound(V1)) { |
3667 | Inter2d (EF,TopoDS::Edge(Build(E)), |
3668 | TopoDS::Edge(Build(NEOnV1)),LV,/*TolConf*/Precision::Confusion()); |
3669 | if (Build(E).Orientation() == TopAbs_FORWARD) { |
3670 | V = TopoDS::Vertex(LV.First()); |
3671 | } |
3672 | else { |
3673 | V = TopoDS::Vertex(LV.Last()); |
3674 | } |
3675 | } |
3676 | else { |
3677 | V = TopoDS::Vertex(Build(V1)); |
3678 | if (MVE (V1).Extent() > 2) { |
3679 | V.Orientation(TopAbs_FORWARD); |
3680 | if (Build(E).Orientation() == TopAbs_REVERSED) |
3681 | V.Orientation(TopAbs_REVERSED); |
3682 | ProjectVertexOnEdge(V,TopoDS::Edge(Build(E)),TolConf); |
3683 | } |
3684 | } |
3685 | } |
3686 | } |
3687 | else { |
3688 | //------------ |
3689 | //projection |
3690 | //------------ |
3691 | V = V1; |
3692 | if (ConstShapes.IsBound(V1)) V = TopoDS::Vertex(ConstShapes(V1)); |
3693 | V.Orientation(TopAbs_FORWARD); |
3694 | if (Build(E).Orientation() == TopAbs_REVERSED) |
3695 | V.Orientation(TopAbs_REVERSED); |
3696 | if (!TryParameter (E,V,TopoDS::Edge(Build(E)),TolConf)) |
3697 | ProjectVertexOnEdge(V,TopoDS::Edge(Build(E)),TolConf); |
3698 | } |
3699 | ConstShapes.Bind(V1,V); |
3700 | Build.Bind (V1,V); |
3701 | const TopoDS_Edge& NEOnV2 = TopoDS::Edge(NOnV2(E)); |
3702 | if (Build.IsBound(NEOnV2) && |
3703 | (ToBuild.IsBound(E) || ToBuild.IsBound(NEOnV2))) { |
3704 | if (E.IsSame(NEOnV2)) |
3705 | V = TopExp::LastVertex(TopoDS::Edge(Build(E))); |
3706 | else { |
3707 | //-------------- |
3708 | // intersection. |
3709 | //--------------- |
3710 | if (!Build.IsBound(V2)) { |
3711 | Inter2d (EF,TopoDS::Edge(Build(E)), |
3712 | TopoDS::Edge(Build(NEOnV2)),LV,/*TolConf*/Precision::Confusion()); |
3713 | if (Build(E).Orientation() == TopAbs_FORWARD) { |
3714 | V = TopoDS::Vertex(LV.Last()); |
3715 | } |
3716 | else { |
3717 | V = TopoDS::Vertex(LV.First()); |
3718 | } |
3719 | } |
3720 | else { |
3721 | V = TopoDS::Vertex(Build(V2)); |
3722 | if (MVE (V2).Extent() > 2) { |
3723 | V.Orientation(TopAbs_REVERSED); |
3724 | if (Build(E).Orientation() == TopAbs_REVERSED) |
3725 | V.Orientation(TopAbs_FORWARD); |
3726 | ProjectVertexOnEdge(V,TopoDS::Edge(Build(E)),TolConf); |
3727 | } |
3728 | } |
3729 | } |
3730 | } |
3731 | else { |
3732 | //------------ |
3733 | //projection |
3734 | //------------ |
3735 | V = V2; |
3736 | if (ConstShapes.IsBound(V2)) V = TopoDS::Vertex(ConstShapes(V2)); |
3737 | V.Orientation(TopAbs_REVERSED); |
3738 | if (Build(E).Orientation() == TopAbs_REVERSED) |
3739 | V.Orientation(TopAbs_FORWARD); |
3740 | if (!TryParameter (E,V,TopoDS::Edge(Build(E)),TolConf)) |
3741 | ProjectVertexOnEdge(V,TopoDS::Edge(Build(E)),TolConf); |
3742 | } |
3743 | ConstShapes.Bind(V2,V); |
3744 | Build.Bind(V2,V); |
3745 | } |
3746 | } |
3747 | |
3748 | TopoDS_Wire NW; |
3749 | TopoDS_Vertex NV1,NV2; |
3750 | TopAbs_Orientation Or; |
3751 | Standard_Real U1,U2; |
3752 | Standard_Real eps = Precision::Confusion(); |
3753 | |
3754 | #ifdef DEB |
3755 | TopLoc_Location L; |
3756 | #endif |
3757 | B.MakeWire(NW); |
3758 | |
3759 | //----------------- |
3760 | // Reconstruction. |
3761 | //----------------- |
3762 | for (exp2.Init(W.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
3763 | exp2.More(); exp2.Next()) { |
3764 | const TopoDS_Edge& E = TopoDS::Edge(exp2.Current()); |
3765 | TopExp::Vertices (E,V1,V2); |
3766 | if (Build.IsBound(E)) { |
3767 | NE = TopoDS::Edge(Build(E)); |
3768 | BRep_Tool::Range(NE,f,l); |
3769 | Or = NE.Orientation(); |
3770 | //----------------------------------------------------- |
3771 | // Copy pour virer les vertex deja sur la nouvelle edge. |
3772 | //----------------------------------------------------- |
3773 | NV1 = TopoDS::Vertex(ConstShapes(V1)); |
3774 | NV2 = TopoDS::Vertex(ConstShapes(V2)); |
3775 | |
3776 | TopoDS_Shape aLocalVertex = NV1.Oriented(TopAbs_INTERNAL); |
3777 | TopoDS_Shape aLocalEdge = NE.Oriented(TopAbs_INTERNAL); |
3778 | |
3779 | U1 = BRep_Tool::Parameter(TopoDS::Vertex(aLocalVertex), |
3780 | TopoDS::Edge (aLocalEdge)); |
3781 | aLocalVertex = NV2.Oriented(TopAbs_INTERNAL); |
3782 | aLocalEdge = NE.Oriented(TopAbs_FORWARD); |
3783 | U2 = BRep_Tool::Parameter |
3784 | (TopoDS::Vertex(aLocalVertex),TopoDS::Edge (aLocalEdge)); |
3785 | // U1 = BRep_Tool::Parameter |
3786 | // (TopoDS::Vertex(NV1.Oriented(TopAbs_INTERNAL)), |
3787 | // TopoDS::Edge (NE .Oriented(TopAbs_FORWARD))); |
3788 | // U2 = BRep_Tool::Parameter |
3789 | // (TopoDS::Vertex(NV2.Oriented(TopAbs_INTERNAL)), |
3790 | // TopoDS::Edge (NE.Oriented(TopAbs_FORWARD))); |
3791 | aLocalEdge = NE.EmptyCopied(); |
3792 | NE = TopoDS::Edge(aLocalEdge); |
3793 | NE.Orientation(TopAbs_FORWARD); |
3794 | if (NV1.IsSame(NV2)) |
3795 | { |
3796 | //-------------- |
3797 | // edge ferme. |
3798 | //-------------- |
3799 | if (Or == TopAbs_FORWARD) {U1 = f; U2 = l;} |
3800 | else {U1 = l; U2 = f;} |
3801 | if (Or == TopAbs_FORWARD) |
3802 | { |
3803 | if (U1 > U2) |
3804 | { |
3805 | if (Abs(U1-l) < eps) U1 = f; |
3806 | if (Abs(U2-f) < eps) U2 = l; |
3807 | } |
3808 | TopoDS_Shape aLocalVertex = NV1.Oriented(TopAbs_FORWARD ); |
3809 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3810 | aLocalVertex = NV2.Oriented(TopAbs_REVERSED); |
3811 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3812 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_FORWARD ))); |
3813 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_REVERSED))); |
3814 | B.Range(NE,U1,U2); |
3815 | ConstShapes.Bind(E,NE); |
3816 | NE.Orientation(E.Orientation()); |
3817 | } |
3818 | else |
3819 | { |
3820 | if (U2 > U1) |
3821 | { |
3822 | if (Abs(U2-l) < eps) U2 = f; |
3823 | if (Abs(U1-f) < eps) U1 = l; |
3824 | } |
3825 | TopoDS_Shape aLocalVertex = NV2.Oriented(TopAbs_FORWARD ); |
3826 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3827 | aLocalVertex = NV1.Oriented(TopAbs_REVERSED); |
3828 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3829 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_FORWARD ))); |
3830 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_REVERSED))); |
3831 | B.Range(NE,U2,U1); |
3832 | ConstShapes.Bind(E,NE.Oriented(TopAbs_REVERSED)); |
3833 | NE.Orientation(TopAbs::Reverse(E.Orientation())); |
3834 | } |
3835 | } |
3836 | else |
3837 | { |
3838 | //------------------- |
3839 | // edge is not ferme. |
3840 | //------------------- |
3841 | if (Or == TopAbs_FORWARD) { |
3842 | if (U1 > U2) { |
3843 | TopoDS_Shape aLocalVertex = NV2.Oriented(TopAbs_FORWARD ); |
3844 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3845 | aLocalVertex = NV1.Oriented(TopAbs_REVERSED); |
3846 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3847 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_FORWARD ))); |
3848 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_REVERSED))); |
3849 | B.Range(NE,U2,U1); |
3850 | } |
3851 | else |
3852 | { |
3853 | TopoDS_Shape aLocalVertex = NV1.Oriented(TopAbs_FORWARD ); |
3854 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3855 | aLocalVertex = NV2.Oriented(TopAbs_REVERSED); |
3856 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3857 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_FORWARD ))); |
3858 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_REVERSED))); |
3859 | B.Range(NE,U1,U2); |
3860 | } |
3861 | ConstShapes.Bind(E,NE); |
3862 | NE.Orientation(E.Orientation()); |
3863 | } |
3864 | else { |
3865 | if (U2 > U1) { |
3866 | TopoDS_Shape aLocalVertex = NV1.Oriented(TopAbs_FORWARD ); |
3867 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3868 | aLocalVertex = NV2.Oriented(TopAbs_REVERSED); |
3869 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3870 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_FORWARD ))); |
3871 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_REVERSED))); |
3872 | B.Range(NE,U1,U2); |
3873 | ConstShapes.Bind(E,NE); |
3874 | NE.Orientation(E.Orientation()); |
3875 | } |
3876 | else |
3877 | { |
3878 | TopoDS_Shape aLocalVertex = NV2.Oriented(TopAbs_FORWARD ); |
3879 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3880 | aLocalVertex = NV1.Oriented(TopAbs_REVERSED); |
3881 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3882 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_FORWARD ))); |
3883 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_REVERSED))); |
3884 | B.Range(NE,U2,U1); |
3885 | ConstShapes.Bind(E,NE.Oriented(TopAbs_REVERSED)); |
3886 | NE.Orientation(TopAbs::Reverse(E.Orientation())); |
3887 | } |
3888 | } |
3889 | } |
3890 | Build.UnBind(E); |
3891 | } // Build.IsBound(E) |
3892 | else if (ConstShapes.IsBound(E)) { // !Build.IsBound(E) |
3893 | NE = TopoDS::Edge(ConstShapes(E)); |
3894 | BuildPCurves(NE,NF); |
3895 | Or = NE.Orientation(); |
3896 | if (Or == TopAbs_REVERSED) { |
3897 | NE.Orientation(TopAbs::Reverse(E.Orientation())); |
3898 | } |
3899 | else { |
3900 | NE.Orientation(E.Orientation()); |
3901 | } |
3902 | } |
3903 | else { |
3904 | NE = E; |
3905 | ConstShapes.Bind(E,NE.Oriented(TopAbs_FORWARD)); |
3906 | } |
3907 | B.Add(NW,NE); |
3908 | } |
3909 | B.Add(NF,NW.Oriented(W.Orientation())); |
3910 | } |
3911 | NF.Orientation(F.Orientation()); |
3912 | BRepTools::Update(NF); // Maj des UVPoints |
3913 | |
3914 | #ifdef DRAW |
3915 | if (AffichInter) { |
3916 | // POP pour NT |
3917 | char* name = new char[100]; |
3918 | sprintf(name,"FOB_%d",NbFOB++); |
3919 | DBRep::Set(name,NF); |
3920 | } |
3921 | #endif |
3922 | } |
3923 | |
3924 | |
3925 | //======================================================================= |
3926 | //function : Deboucle3D |
3927 | //purpose : |
3928 | //======================================================================= |
3929 | |
3930 | TopoDS_Shape BRepOffset_Tool::Deboucle3D(const TopoDS_Shape& S, |
3931 | const TopTools_MapOfShape& Boundary) |
3932 | { |
3933 | return BRepAlgo_Tool::Deboucle3D(S,Boundary); |
3934 | } |
3935 | |
3936 | //======================================================================= |
3937 | //function : IsInOut |
3938 | //purpose : |
3939 | //======================================================================= |
3940 | |
3941 | static Standard_Boolean IsInOut (BRepTopAdaptor_FClass2d& FC, |
3942 | Geom2dAdaptor_Curve AC, |
3943 | const TopAbs_State& S ) |
3944 | { |
3945 | Standard_Real Def = 100*Precision::Confusion(); |
3946 | GCPnts_QuasiUniformDeflection QU(AC,Def); |
3947 | |
3948 | for (Standard_Integer i = 1; i <= QU.NbPoints(); i++) { |
3949 | gp_Pnt2d P = AC.Value(QU.Parameter(i)); |
3950 | if (FC.Perform(P) != S) { |
3951 | return Standard_False; |
3952 | break; |
3953 | } |
3954 | } |
3955 | return Standard_True; |
3956 | } |
3957 | |
3958 | //======================================================================= |
3959 | //function : CorrectOrientation |
3960 | //purpose : |
3961 | //======================================================================= |
3962 | |
3963 | void BRepOffset_Tool::CorrectOrientation(const TopoDS_Shape& SI, |
975ec82a |
3964 | const TopTools_IndexedMapOfShape& NewEdges, |
7fd59977 |
3965 | Handle(BRepAlgo_AsDes)& AsDes, |
3966 | BRepAlgo_Image& InitOffset, |
3967 | const Standard_Real Offset) |
3968 | { |
3969 | |
3970 | TopExp_Explorer exp; |
3971 | exp.Init(SI,TopAbs_FACE); |
3972 | Standard_Real f=0.,l=0.; |
3973 | |
3974 | for (; exp.More(); exp.Next()) { |
3975 | |
3976 | const TopoDS_Face& FI = TopoDS::Face(exp.Current()); |
3977 | const TopTools_ListOfShape& LOF = InitOffset.Image(FI); |
3978 | TopTools_ListIteratorOfListOfShape it(LOF); |
3979 | for (; it.More(); it.Next()) { |
3980 | const TopoDS_Face& OF = TopoDS::Face(it.Value()); |
3981 | TopTools_ListOfShape& LOE = AsDes->ChangeDescendant(OF); |
3982 | TopTools_ListIteratorOfListOfShape itE(LOE); |
3983 | |
3984 | Standard_Boolean YaInt = Standard_False; |
3985 | for (; itE.More(); itE.Next()) { |
3986 | const TopoDS_Edge& OE = TopoDS::Edge(itE.Value()); |
3987 | if (NewEdges.Contains(OE)) {YaInt = Standard_True; break;} |
3988 | } |
3989 | if (YaInt) { |
3990 | TopoDS_Shape aLocalFace = FI.Oriented(TopAbs_FORWARD); |
3991 | BRepTopAdaptor_FClass2d FC (TopoDS::Face(aLocalFace), |
3992 | Precision::Confusion()); |
3993 | // BRepTopAdaptor_FClass2d FC (TopoDS::Face(FI.Oriented(TopAbs_FORWARD)), |
3994 | // Precision::Confusion()); |
3995 | for (itE.Initialize(LOE); itE.More(); itE.Next()) { |
3996 | TopoDS_Shape& OE = itE.Value(); |
3997 | if (NewEdges.Contains(OE)) { |
3998 | Handle(Geom2d_Curve) CO2d = |
3999 | BRep_Tool::CurveOnSurface(TopoDS::Edge(OE),OF,f,l); |
4000 | Geom2dAdaptor_Curve AC(CO2d,f,l); |
4001 | |
4002 | if (Offset > 0) { |
4003 | if (IsInOut(FC,AC,TopAbs_OUT)) OE.Reverse(); |
4004 | } |
4005 | // else { |
4006 | // if (IsInOut(FC,AC,TopAbs_IN)) OE.Reverse(); |
4007 | // } |
4008 | } |
4009 | } |
4010 | } |
4011 | } |
4012 | } |
4013 | |
4014 | } |
4015 | |
4016 | |
4017 | |