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1 | // Created on: 1995-10-23 |
2 | // Created by: Yves FRICAUD |
3 | // Copyright (c) 1995-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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8 | // This library is free software; you can redistribute it and / or modify it |
9 | // under the terms of the GNU Lesser General Public version 2.1 as published |
10 | // by the Free Software Foundation, with special exception defined in the file |
11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
12 | // distribution for complete text of the license and disclaimer of any warranty. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
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16 | |
17 | #include <stdio.h> |
18 | |
19 | #include <BRepOffset_Tool.ixx> |
20 | |
21 | #include <BRepAlgo_Tool.hxx> |
22 | |
23 | #include <BRepAdaptor_Curve.hxx> |
24 | #include <BRepAdaptor_Surface.hxx> |
25 | #include <BRepAdaptor_HCurve.hxx> |
26 | #include <BRepAdaptor_HSurface.hxx> |
27 | |
28 | #include <BRepBndLib.hxx> |
29 | |
30 | #include <Bnd_Box2d.hxx> |
31 | #include <BndLib_Add3dCurve.hxx> |
32 | #include <BRep_Tool.hxx> |
33 | #include <BRepLib.hxx> |
34 | #include <BRepLib_MakeEdge.hxx> |
35 | #include <BRepLib_MakeVertex.hxx> |
36 | #include <BRepLib_MakePolygon.hxx> |
37 | #include <BRepLib_MakeFace.hxx> |
38 | #include <BRepLib_MakeWire.hxx> |
39 | #include <BRepTools.hxx> |
40 | #include <BRepTools_WireExplorer.hxx> |
41 | |
42 | #include <BRepTools_Modifier.hxx> |
43 | #include <BRepTools_TrsfModification.hxx> |
44 | #include <BRepTopAdaptor_FClass2d.hxx> |
45 | #include <BRepAdaptor_Curve.hxx> |
46 | #include <BRepAdaptor_Curve2d.hxx> |
47 | |
48 | #include <IntRes2d_IntersectionPoint.hxx> |
49 | #include <IntRes2d_IntersectionSegment.hxx> |
50 | #include <Extrema_ExtPC.hxx> |
51 | |
52 | #include <TopExp.hxx> |
53 | #include <TopExp_Explorer.hxx> |
54 | #include <TopAbs.hxx> |
55 | #include <Standard_ConstructionError.hxx> |
56 | |
57 | #include <TopOpeBRepBuild_Builder.hxx> |
58 | #include <TopOpeBRepDS_HDataStructure.hxx> |
59 | #include <TopOpeBRepDS_CurveExplorer.hxx> |
60 | #include <TopOpeBRep_DSFiller.hxx> |
61 | #include <TopOpeBRepTool_GeomTool.hxx> |
62 | #include <TopOpeBRep_ShapeIntersector.hxx> |
63 | #include <TopOpeBRep_FacesFiller.hxx> |
64 | #include <TopOpeBRep_GeomTool.hxx> |
65 | #include <TopoDS.hxx> |
66 | #include <TopoDS_Iterator.hxx> |
67 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
68 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> |
69 | |
70 | #include <Geom_Surface.hxx> |
71 | #include <Geom_RectangularTrimmedSurface.hxx> |
72 | #include <Geom_OffsetSurface.hxx> |
73 | #include <Geom_BezierSurface.hxx> |
74 | #include <Geom_BSplineSurface.hxx> |
75 | #include <Geom_ConicalSurface.hxx> |
76 | #include <Geom_Curve.hxx> |
77 | #include <Geom_Line.hxx> |
78 | #include <Geom_Conic.hxx> |
79 | #include <Geom_TrimmedCurve.hxx> |
80 | #include <GCPnts_QuasiUniformDeflection.hxx> |
81 | |
82 | #include <GeomLib.hxx> |
83 | #include <GeomAPI.hxx> |
84 | #include <GeomAPI_ProjectPointOnCurve.hxx> |
85 | #include <Geom2d_TrimmedCurve.hxx> |
86 | #include <Geom2d_Line.hxx> |
87 | #include <Geom2d_Curve.hxx> |
88 | #include <Geom2d_Circle.hxx> |
89 | #include <Geom2d_Ellipse.hxx> |
90 | #include <Geom2d_Parabola.hxx> |
91 | #include <Geom2d_Hyperbola.hxx> |
92 | #include <Geom2d_BezierCurve.hxx> |
93 | #include <Geom2d_BSplineCurve.hxx> |
94 | |
95 | #include <Geom2dAdaptor_Curve.hxx> |
96 | #include <Geom2dInt_GInter.hxx> |
97 | |
98 | #include <GeomAdaptor_Surface.hxx> |
99 | #include <GeomProjLib.hxx> |
100 | #include <GeomInt_IntSS.hxx> |
101 | #include <ProjLib_ProjectedCurve.hxx> |
102 | #include <ProjLib_HProjectedCurve.hxx> |
103 | |
104 | #include <ElSLib.hxx> |
105 | #include <ElCLib.hxx> |
106 | |
107 | #include <gp.hxx> |
108 | #include <gp_Pnt.hxx> |
109 | #include <gp_Vec.hxx> |
110 | |
111 | |
112 | #include <Precision.hxx> |
113 | #include <Standard_ConstructionError.hxx> |
114 | |
115 | #include <BRep_TEdge.hxx> |
116 | #include <Extrema_ExtPC2d.hxx> |
117 | |
118 | #include <Geom_SurfaceOfLinearExtrusion.hxx> |
119 | #include <Geom_SurfaceOfRevolution.hxx> |
120 | #include <GCPnts_AbscissaPoint.hxx> |
121 | |
122 | //tma: for new boolean operation |
123 | #include <TopTools_SequenceOfShape.hxx> |
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124 | #include <Geom_BSplineCurve.hxx> |
125 | #include <GeomConvert_CompCurveToBSplineCurve.hxx> |
126 | #include <Geom2dConvert_CompCurveToBSplineCurve.hxx> |
127 | #include <GeomConvert_ApproxCurve.hxx> |
128 | #include <Geom2dConvert_ApproxCurve.hxx> |
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129 | #include <TopoDS_Compound.hxx> |
130 | #include <GCPnts_UniformAbscissa.hxx> |
131 | #include <BRep_ListIteratorOfListOfCurveRepresentation.hxx> |
132 | #include <BRep_CurveRepresentation.hxx> |
133 | |
134 | #include <BRepOffset_ListOfInterval.hxx> |
135 | #include <BRepOffset_Interval.hxx> |
136 | #include <TColgp_Array1OfPnt2d.hxx> |
137 | #include <ShapeCustom_Curve2d.hxx> |
138 | #include <GeomAPI_ExtremaCurveCurve.hxx> |
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139 | |
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140 | #include <BOPDS_DS.hxx> |
141 | #include <BOPAlgo_PaveFiller.hxx> |
142 | #include <BOPTools_AlgoTools2D.hxx> |
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143 | |
144 | #ifdef DRAW |
145 | #include <DBRep.hxx> |
146 | #endif |
147 | |
148 | #ifdef DEB |
149 | Standard_Boolean AffichInter = Standard_False; |
150 | static Standard_Boolean AffichExtent = Standard_False; |
151 | static Standard_Integer NbNewEdges = 1; |
152 | static Standard_Integer NbFaces = 1; |
153 | static Standard_Integer NbFOB = 1; |
154 | static Standard_Integer NbFTE = 1; |
155 | static Standard_Integer NbExtE = 1; |
156 | //POP pour NT |
157 | //char* name = new char[100]; |
158 | #endif |
159 | |
160 | |
161 | //======================================================================= |
162 | //function : EdgeVertices |
163 | //purpose : |
164 | //======================================================================= |
165 | |
166 | void BRepOffset_Tool::EdgeVertices (const TopoDS_Edge& E, |
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167 | TopoDS_Vertex& V1, |
168 | TopoDS_Vertex& V2) |
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169 | { |
170 | if (E.Orientation() == TopAbs_REVERSED) { |
171 | TopExp::Vertices(E,V2,V1); |
172 | } |
173 | else { |
174 | TopExp::Vertices(E,V1,V2); |
175 | } |
176 | } |
177 | |
178 | //======================================================================= |
179 | //function : OriEdgeInFace |
180 | //purpose : |
181 | //======================================================================= |
182 | |
183 | TopAbs_Orientation BRepOffset_Tool::OriEdgeInFace (const TopoDS_Edge& E, |
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184 | const TopoDS_Face& F ) |
185 | |
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186 | { |
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187 | TopExp_Explorer Exp; |
188 | Exp.Init(F.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
189 | |
190 | for (; Exp.More() ;Exp.Next()) { |
191 | if (Exp.Current().IsSame(E)) { |
192 | return Exp.Current().Orientation(); |
193 | } |
194 | } |
195 | Standard_ConstructionError::Raise("BRepOffset_Tool::OriEdgeInFace"); |
196 | return E.Orientation(); |
197 | } |
198 | |
199 | |
200 | //======================================================================= |
201 | //function : FindPeriod |
202 | //purpose : |
203 | //======================================================================= |
204 | |
205 | static void FindPeriod (const TopoDS_Face& F, |
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206 | Standard_Real& umin, |
207 | Standard_Real& umax, |
208 | Standard_Real& vmin, |
209 | Standard_Real& vmax) |
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210 | { |
211 | |
212 | Bnd_Box2d B; |
213 | TopExp_Explorer exp; |
214 | for (exp.Init(F,TopAbs_EDGE); exp.More(); exp.Next()) { |
215 | const TopoDS_Edge& E = TopoDS::Edge(exp.Current()); |
216 | |
217 | Standard_Real pf,pl; |
218 | const Handle(Geom2d_Curve) C = BRep_Tool::CurveOnSurface(E,F,pf,pl); |
219 | if (C.IsNull()) return; |
220 | Geom2dAdaptor_Curve PC(C,pf,pl); |
221 | Standard_Real i, nbp = 20; |
222 | if (PC.GetType() == GeomAbs_Line) nbp = 2; |
223 | Standard_Real step = (pl - pf) / nbp; |
224 | gp_Pnt2d P; |
225 | PC.D0(pf,P); |
226 | B.Add(P); |
227 | for (i = 2; i < nbp; i++) { |
228 | pf += step; |
229 | PC.D0(pf,P); |
230 | B.Add(P); |
231 | } |
232 | PC.D0(pl,P); |
233 | B.Add(P); |
234 | B.Get(umin,vmin,umax,vmax); |
235 | } |
236 | } |
237 | |
238 | //======================================================================= |
239 | //function : PutInBounds |
240 | //purpose : Recadre la courbe 2d dans les bounds de la face |
241 | //======================================================================= |
242 | |
243 | static void PutInBounds (const TopoDS_Face& F, |
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244 | const TopoDS_Edge& E, |
245 | Handle(Geom2d_Curve)& C2d) |
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246 | { |
247 | Standard_Real umin,umax,vmin,vmax; |
248 | Standard_Real f,l; |
249 | BRep_Tool::Range(E,f,l); |
250 | |
251 | TopLoc_Location L; // Recup S avec la location pour eviter la copie. |
252 | Handle (Geom_Surface) S = BRep_Tool::Surface(F,L); |
253 | |
254 | if (S->IsInstance(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) { |
255 | S = (*(Handle_Geom_RectangularTrimmedSurface*)&S)->BasisSurface(); |
256 | } |
257 | //--------------- |
258 | // Recadre en U. |
259 | //--------------- |
260 | if (!S->IsUPeriodic() && !S->IsVPeriodic()) return; |
261 | |
262 | FindPeriod (F,umin,umax,vmin,vmax); |
263 | |
264 | if (S->IsUPeriodic()) { |
265 | Standard_Real period = S->UPeriod(); |
266 | Standard_Real eps = period*1.e-6; |
267 | gp_Pnt2d Pf = C2d->Value(f); |
268 | gp_Pnt2d Pl = C2d->Value(l); |
269 | gp_Pnt2d Pm = C2d->Value(0.34*f + 0.66*l); |
270 | Standard_Real minC = Min(Pf.X(),Pl.X()); minC = Min(minC,Pm.X()); |
271 | Standard_Real maxC = Max(Pf.X(),Pl.X()); maxC = Max(maxC,Pm.X()); |
272 | Standard_Real du = 0.; |
273 | if (minC< umin - eps) { |
274 | du = (int((umin - minC)/period) + 1)*period; |
275 | } |
276 | if (minC > umax + eps) { |
277 | du = -(int((minC - umax)/period) + 1)*period; |
278 | } |
279 | if (du != 0) { |
280 | gp_Vec2d T1(du,0.); |
281 | C2d->Translate(T1); |
282 | minC += du; maxC += du; |
283 | } |
284 | // Ajuste au mieux la courbe dans le domaine. |
285 | if (maxC > umax +100*eps) { |
286 | Standard_Real d1 = maxC - umax; |
287 | Standard_Real d2 = umin - minC + period; |
288 | if (d2 < d1) du =-period; |
289 | if ( du != 0.) { |
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290 | gp_Vec2d T2(du,0.); |
291 | C2d->Translate(T2); |
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292 | } |
293 | } |
294 | } |
295 | //------------------ |
296 | // Recadre en V. |
297 | //------------------ |
298 | if (S->IsVPeriodic()) { |
299 | Standard_Real period = S->VPeriod(); |
300 | Standard_Real eps = period*1.e-6; |
301 | gp_Pnt2d Pf = C2d->Value(f); |
302 | gp_Pnt2d Pl = C2d->Value(l); |
303 | gp_Pnt2d Pm = C2d->Value(0.34*f + 0.66*l); |
304 | Standard_Real minC = Min(Pf.Y(),Pl.Y()); minC = Min(minC,Pm.Y()); |
305 | Standard_Real maxC = Max(Pf.Y(),Pl.Y()); maxC = Max(maxC,Pm.Y()); |
306 | Standard_Real dv = 0.; |
307 | if (minC< vmin - eps) { |
308 | dv = (int((vmin - minC)/period) + 1)*period; |
309 | } |
310 | if (minC > vmax + eps) { |
311 | dv = -(int((minC - vmax)/period) + 1)*period; |
312 | } |
313 | if (dv != 0) { |
314 | gp_Vec2d T1(0.,dv); |
315 | C2d->Translate(T1); |
316 | minC += dv; maxC += dv; |
317 | } |
318 | // Ajuste au mieux la courbe dans le domaine. |
319 | if (maxC > vmax +100*eps) { |
320 | Standard_Real d1 = maxC - vmax; |
321 | Standard_Real d2 = vmin - minC + period; |
322 | if (d2 < d1) dv =-period; |
323 | if ( dv != 0.) { |
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324 | gp_Vec2d T2(0.,dv); |
325 | C2d->Translate(T2); |
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326 | } |
327 | } |
328 | } |
329 | } |
330 | |
331 | //======================================================================= |
332 | //function : Gabarit |
333 | //purpose : |
334 | //======================================================================= |
335 | |
336 | Standard_Real BRepOffset_Tool::Gabarit(const Handle(Geom_Curve)& aCurve) |
337 | { |
338 | GeomAdaptor_Curve GC( aCurve ); |
339 | Bnd_Box aBox; |
340 | BndLib_Add3dCurve::Add( GC, Precision::Confusion(), aBox ); |
341 | Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax, dist; |
342 | aBox.Get( aXmin, aYmin, aZmin, aXmax, aYmax, aZmax ); |
343 | dist = Max( (aXmax-aXmin), (aYmax-aYmin) ); |
344 | dist = Max( dist, (aZmax-aZmin) ); |
345 | return dist; |
346 | } |
347 | |
348 | //======================================================================= |
349 | //function : BuildPCurves |
350 | //purpose : |
351 | //======================================================================= |
352 | |
353 | static void BuildPCurves (const TopoDS_Edge& E, |
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354 | const TopoDS_Face& F) |
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355 | { |
356 | Standard_Real ff,ll; |
357 | Handle (Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface (E,F,ff,ll); |
358 | if (!C2d.IsNull()) return; |
359 | |
360 | //Standard_Real Tolerance = Max(Precision::Confusion(),BRep_Tool::Tolerance(E)); |
361 | Standard_Real Tolerance = Precision::Confusion(); |
362 | |
363 | BRepAdaptor_Surface AS(F,0); |
364 | BRepAdaptor_Curve AC(E); |
365 | |
366 | //Try to find pcurve on a bound of BSpline or Bezier surface |
367 | Handle( Geom_Surface ) theSurf = BRep_Tool::Surface( F ); |
368 | Handle( Standard_Type ) typS = theSurf->DynamicType(); |
369 | if (typS == STANDARD_TYPE(Geom_OffsetSurface)) |
370 | typS = (*((Handle(Geom_OffsetSurface)*)&theSurf))->BasisSurface()->DynamicType(); |
371 | if (typS == STANDARD_TYPE(Geom_BezierSurface) || typS == STANDARD_TYPE(Geom_BSplineSurface)) |
372 | { |
373 | gp_Pnt fpoint = AC.Value( AC.FirstParameter() ); |
374 | gp_Pnt lpoint = AC.Value( AC.LastParameter() ); |
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375 | TopoDS_Face theFace = BRepLib_MakeFace( theSurf, Precision::Confusion() ); |
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376 | Standard_Real U1 = 0., U2 = 0., TolProj = 1.e-4; //1.e-5; |
377 | TopoDS_Edge theEdge; |
378 | TopExp_Explorer Explo; |
379 | Explo.Init( theFace, TopAbs_EDGE ); |
380 | for (; Explo.More(); Explo.Next()) |
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381 | { |
382 | TopoDS_Edge anEdge = TopoDS::Edge( Explo.Current() ); |
383 | BRepAdaptor_Curve aCurve( anEdge ); |
384 | Extrema_ExtPC fextr( fpoint, aCurve ); |
385 | if (!fextr.IsDone() || fextr.NbExt() < 1) |
386 | continue; |
387 | Standard_Real dist2, dist2min = RealLast(); |
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388 | Standard_Integer i; |
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389 | for (i = 1; i <= fextr.NbExt(); i++) |
390 | { |
391 | dist2 = fextr.SquareDistance(i); |
392 | if (dist2 < dist2min) |
393 | { |
394 | dist2min = dist2; |
395 | U1 = fextr.Point(i).Parameter(); |
396 | } |
397 | } |
398 | if (dist2min > TolProj * TolProj) |
399 | continue; |
400 | Extrema_ExtPC lextr( lpoint, aCurve ); |
401 | if (!lextr.IsDone() || lextr.NbExt() <1) |
402 | continue; |
403 | dist2min = RealLast(); |
404 | for (i = 1; i <= lextr.NbExt(); i++) |
405 | { |
406 | dist2 = lextr.SquareDistance(i); |
407 | if (dist2 < dist2min) |
408 | { |
409 | dist2min = dist2; |
410 | U2 = lextr.Point(i).Parameter(); |
411 | } |
412 | } |
413 | if (dist2min <= TolProj * TolProj) |
414 | { |
415 | theEdge = anEdge; |
416 | break; |
417 | } |
418 | } // for (; Explo.More(); Explo.Current()) |
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419 | |
420 | if (! theEdge.IsNull()) |
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421 | { |
422 | //Construction of pcurve |
423 | if (U2 < U1) |
424 | { |
425 | Standard_Real temp = U1; |
426 | U1 = U2; |
427 | U2 = temp; |
428 | } |
429 | Standard_Real f, l; |
430 | C2d = BRep_Tool::CurveOnSurface( theEdge, theFace, f, l ); |
431 | C2d = new Geom2d_TrimmedCurve( C2d, U1, U2 ); |
432 | |
433 | if (theSurf->IsUPeriodic() || theSurf->IsVPeriodic()) |
434 | PutInBounds( F, E, C2d ); |
435 | |
436 | BRep_Builder B; |
437 | B.UpdateEdge( E, C2d, F, BRep_Tool::Tolerance(E) ); |
438 | BRepLib::SameRange( E ); |
439 | |
440 | return; |
441 | } |
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442 | } // if (typS == ... |
443 | |
444 | Handle(BRepAdaptor_HSurface) HS = new BRepAdaptor_HSurface(AS); |
445 | Handle(BRepAdaptor_HCurve) HC = new BRepAdaptor_HCurve(AC); |
446 | |
447 | ProjLib_ProjectedCurve Proj(HS,HC,Tolerance); |
448 | |
449 | switch ( Proj.GetType()) { |
450 | |
451 | case GeomAbs_Line: |
452 | C2d = new Geom2d_Line(Proj.Line()); |
453 | break; |
454 | |
455 | case GeomAbs_Circle: |
456 | C2d = new Geom2d_Circle(Proj.Circle()); |
457 | break; |
458 | |
459 | case GeomAbs_Ellipse: |
460 | C2d = new Geom2d_Ellipse(Proj.Ellipse()); |
461 | break; |
462 | |
463 | case GeomAbs_Parabola: |
464 | C2d = new Geom2d_Parabola(Proj.Parabola()); |
465 | break; |
466 | |
467 | case GeomAbs_Hyperbola: |
468 | C2d = new Geom2d_Hyperbola(Proj.Hyperbola()); |
469 | break; |
470 | |
471 | case GeomAbs_BezierCurve: |
472 | C2d = Proj.Bezier(); |
473 | break; |
474 | |
475 | case GeomAbs_BSplineCurve: |
476 | C2d = Proj.BSpline(); |
477 | break; |
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478 | default: |
479 | break; |
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480 | } |
481 | |
482 | if (AS.IsUPeriodic() || AS.IsVPeriodic()) { |
483 | PutInBounds(F,E,C2d); |
484 | } |
485 | if (!C2d.IsNull()) { |
486 | BRep_Builder B; |
487 | B.UpdateEdge (E,C2d,F,BRep_Tool::Tolerance(E)); |
488 | } |
489 | else { |
490 | Standard_ConstructionError::Raise("BRepOffset_Tool::BuildPCurves"); |
491 | cout <<"Echec ProjLib"<<endl; |
492 | } |
493 | } |
494 | |
495 | //======================================================================= |
496 | //function : OriSect |
497 | //purpose : |
498 | //======================================================================= |
499 | |
500 | void BRepOffset_Tool::OrientSection (const TopoDS_Edge& E, |
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501 | const TopoDS_Face& F1, |
502 | const TopoDS_Face& F2, |
503 | TopAbs_Orientation& O1, |
504 | TopAbs_Orientation& O2) |
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505 | { |
506 | TopLoc_Location L; |
507 | Standard_Real f,l; |
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508 | |
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509 | |
510 | Handle (Geom_Surface) S1 = BRep_Tool::Surface(F1); |
511 | Handle (Geom_Surface) S2 = BRep_Tool::Surface(F2); |
512 | Handle (Geom2d_Curve) C1 = BRep_Tool::CurveOnSurface(E,F1,f,l); |
513 | Handle (Geom2d_Curve) C2 = BRep_Tool::CurveOnSurface(E,F2,f,l); |
514 | Handle (Geom_Curve) C = BRep_Tool::Curve(E,L,f,l); |
515 | |
516 | BRepAdaptor_Curve BAcurve( E ); |
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517 | |
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518 | GCPnts_AbscissaPoint AP(BAcurve,GCPnts_AbscissaPoint::Length(BAcurve)/2.0,f); |
519 | Standard_Real ParOnC; |
520 | |
521 | if(AP.IsDone()) |
522 | ParOnC = AP.Parameter(); |
523 | else |
524 | ParOnC = BOPTools_AlgoTools2D::IntermediatePoint(f, l); |
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525 | |
526 | gp_Vec T1 = C->DN(ParOnC,1).Transformed(L.Transformation()); |
527 | if (T1.SquareMagnitude() > gp::Resolution()) { |
528 | T1.Normalize(); |
529 | } |
530 | |
531 | gp_Pnt2d P = C1->Value(ParOnC); |
532 | gp_Pnt P3; |
533 | gp_Vec D1U,D1V; |
534 | |
535 | S1->D1(P.X(),P.Y(),P3,D1U,D1V); |
536 | gp_Vec DN1(D1U^D1V); |
537 | if (F1.Orientation() == TopAbs_REVERSED) DN1.Reverse(); |
538 | |
539 | P = C2->Value(ParOnC); |
540 | S2->D1(P.X(),P.Y(),P3,D1U,D1V); |
541 | gp_Vec DN2(D1U^D1V); |
542 | if (F2.Orientation() == TopAbs_REVERSED) DN2.Reverse(); |
543 | |
544 | gp_Vec ProVec = DN2^T1; |
545 | Standard_Real Prod = DN1.Dot(ProVec); |
546 | if (Prod < 0.0) { |
547 | O1 = TopAbs_FORWARD; |
548 | } |
549 | else { |
550 | O1 = TopAbs_REVERSED; |
551 | } |
552 | ProVec = DN1^T1; |
553 | Prod = DN2.Dot(ProVec); |
554 | if (Prod < 0.0) { |
555 | O2 = TopAbs_FORWARD; |
556 | } |
557 | else { |
558 | O2 = TopAbs_REVERSED; |
559 | } |
560 | if (F1.Orientation() == TopAbs_REVERSED) O1 = TopAbs::Reverse(O1); |
561 | if (F2.Orientation() == TopAbs_REVERSED) O2 = TopAbs::Reverse(O2); |
562 | } |
563 | |
564 | //======================================================================= |
565 | //function : HasCommonShape |
566 | //purpose : |
567 | //======================================================================= |
568 | |
569 | Standard_Boolean BRepOffset_Tool::HasCommonShapes (const TopoDS_Face& F1, |
ab87e6fc |
570 | const TopoDS_Face& F2, |
571 | TopTools_ListOfShape& LE, |
572 | TopTools_ListOfShape& LV) |
7fd59977 |
573 | { |
574 | Standard_Boolean Common = Standard_False; |
575 | LE.Clear(); LV.Clear(); |
576 | |
577 | TopExp_Explorer exp1; |
578 | exp1.Init(F1,TopAbs_EDGE); |
579 | |
580 | for (; exp1.More(); exp1.Next()) { |
581 | TopExp_Explorer exp2; |
582 | exp2.Init(F2,TopAbs_EDGE); |
583 | for (; exp2.More(); exp2.Next()) { |
584 | if (exp1.Current().IsSame(exp2.Current())) { |
ab87e6fc |
585 | Common = Standard_True; |
586 | LE.Append(exp1.Current()); |
7fd59977 |
587 | } |
588 | } |
589 | } |
590 | for (exp1.Init(F1,TopAbs_VERTEX); exp1.More(); exp1.Next()) { |
591 | TopExp_Explorer exp2; |
592 | exp2.Init(F2,TopAbs_EDGE); |
593 | for (exp2.Init(F2,TopAbs_VERTEX); exp2.More(); exp2.Next()) { |
594 | if (exp1.Current().IsSame(exp2.Current())) { |
ab87e6fc |
595 | Common = Standard_True; |
596 | LV.Append(exp1.Current()); |
7fd59977 |
597 | } |
598 | } |
599 | } |
600 | return Common; |
601 | } |
602 | |
603 | //======================================================================= |
604 | //function : ToSmall |
605 | //purpose : |
606 | //======================================================================= |
607 | |
608 | static Standard_Boolean ToSmall (const Handle(Geom_Curve)& C) |
609 | { |
610 | Standard_Real Tol = 10*Precision::Confusion(); |
611 | Standard_Real m = (C->FirstParameter()*0.668 + C->LastParameter()*0.332); |
612 | gp_Pnt P1 = C->Value(C->FirstParameter()); |
613 | gp_Pnt P2 = C->Value(C->LastParameter()); |
614 | gp_Pnt P3 = C->Value(m); |
615 | if (P1.Distance(P2) > Tol) return Standard_False; |
616 | if (P2.Distance(P3) > Tol) return Standard_False; |
617 | return Standard_True; |
618 | } |
619 | |
620 | |
621 | //======================================================================= |
622 | //function : IsOnSurface |
623 | //purpose : |
624 | //======================================================================= |
625 | |
626 | static Standard_Boolean IsOnSurface(const Handle(Geom_Curve)& C, |
ab87e6fc |
627 | const Handle(Geom_Surface)& S, |
628 | Standard_Real TolConf, |
629 | Standard_Real& TolReached) |
7fd59977 |
630 | { |
631 | Standard_Real f = C->FirstParameter(); |
632 | Standard_Real l = C->LastParameter(); |
633 | Standard_Integer n = 5; |
634 | Standard_Real du = (f-l)/(n-1); |
635 | TolReached = 0.; |
636 | |
637 | gp_Pnt P; |
638 | Standard_Real U,V; |
639 | |
640 | GeomAdaptor_Surface AS(S); |
641 | |
642 | switch ( AS.GetType()) { |
643 | case GeomAbs_Plane: |
644 | { |
645 | gp_Ax3 Ax = AS.Plane().Position(); |
646 | for ( Standard_Integer i = 0; i < n; i++) { |
ab87e6fc |
647 | P = C->Value(f+i*du); |
648 | ElSLib::PlaneParameters(Ax,P,U,V); |
649 | TolReached = P.Distance(ElSLib::PlaneValue(U,V,Ax)); |
650 | if ( TolReached > TolConf) |
651 | return Standard_False; |
7fd59977 |
652 | } |
653 | break; |
654 | } |
655 | case GeomAbs_Cylinder: |
656 | { |
657 | gp_Ax3 Ax = AS.Cylinder().Position(); |
658 | Standard_Real Rad = AS.Cylinder().Radius(); |
659 | for ( Standard_Integer i = 0; i < n; i++) { |
ab87e6fc |
660 | P = C->Value(f+i*du); |
661 | ElSLib::CylinderParameters(Ax,Rad,P,U,V); |
662 | TolReached = P.Distance(ElSLib::CylinderValue(U,V,Ax,Rad)); |
663 | if ( TolReached > TolConf) |
664 | return Standard_False; |
7fd59977 |
665 | } |
666 | break; |
667 | } |
668 | case GeomAbs_Cone: |
669 | { |
670 | gp_Ax3 Ax = AS.Cone().Position(); |
671 | Standard_Real Rad = AS.Cone().RefRadius(); |
672 | Standard_Real Alp = AS.Cone().SemiAngle(); |
673 | for ( Standard_Integer i = 0; i < n; i++) { |
ab87e6fc |
674 | P = C->Value(f+i*du); |
675 | ElSLib::ConeParameters(Ax,Rad,Alp,P,U,V); |
676 | TolReached = P.Distance(ElSLib::ConeValue(U,V,Ax,Rad,Alp)); |
677 | if ( TolReached > TolConf) |
678 | return Standard_False; |
7fd59977 |
679 | } |
680 | break; |
681 | } |
682 | case GeomAbs_Sphere: |
683 | { |
684 | gp_Ax3 Ax = AS.Sphere().Position(); |
685 | Standard_Real Rad = AS.Sphere().Radius(); |
686 | for ( Standard_Integer i = 0; i < n; i++) { |
ab87e6fc |
687 | P = C->Value(f+i*du); |
688 | ElSLib::SphereParameters(Ax,Rad,P,U,V); |
689 | TolReached = P.Distance(ElSLib::SphereValue(U,V,Ax,Rad)); |
690 | if ( TolReached > TolConf) |
691 | return Standard_False; |
7fd59977 |
692 | } |
693 | break; |
694 | } |
695 | case GeomAbs_Torus: |
696 | { |
697 | gp_Ax3 Ax = AS.Torus().Position(); |
698 | Standard_Real R1 = AS.Torus().MajorRadius(); |
699 | Standard_Real R2 = AS.Torus().MinorRadius(); |
700 | for ( Standard_Integer i = 0; i < n; i++) { |
ab87e6fc |
701 | P = C->Value(f+i*du); |
702 | ElSLib::TorusParameters(Ax,R1,R2,P,U,V); |
703 | TolReached = P.Distance(ElSLib::TorusValue(U,V,Ax,R1,R2)); |
704 | if ( TolReached > TolConf) |
705 | return Standard_False; |
7fd59977 |
706 | } |
707 | break; |
708 | } |
709 | |
710 | default: |
711 | { |
712 | return Standard_False; |
713 | } |
714 | } |
715 | |
716 | return Standard_True; |
717 | } |
718 | |
719 | |
720 | //======================================================================= |
721 | //function : PipeInter |
722 | //purpose : |
723 | //======================================================================= |
724 | |
725 | void BRepOffset_Tool::PipeInter(const TopoDS_Face& F1, |
ab87e6fc |
726 | const TopoDS_Face& F2, |
727 | TopTools_ListOfShape& L1, |
728 | TopTools_ListOfShape& L2, |
729 | const TopAbs_State Side) |
7fd59977 |
730 | { |
731 | #ifdef DRAW |
732 | if (AffichInter) { |
733 | // POP pour NT |
734 | char* name = new char[100]; |
735 | sprintf(name,"FF_%d",NbFaces++); |
736 | DBRep::Set(name,F1); |
737 | sprintf(name,"FF_%d",NbFaces++); |
738 | DBRep::Set(name,F2); |
739 | } |
740 | #endif |
741 | |
742 | Handle (Geom_Curve) CI; |
743 | TopoDS_Edge E; |
744 | TopAbs_Orientation O1,O2; |
745 | L1.Clear(); L2.Clear(); |
746 | BRep_Builder B; |
747 | Handle (Geom_Surface) S1 = BRep_Tool::Surface(F1); |
748 | Handle (Geom_Surface) S2 = BRep_Tool::Surface(F2); |
749 | |
750 | GeomInt_IntSS Inter (S1,S2, Precision::Confusion(),1,1,1); |
751 | |
752 | if (Inter.IsDone()) { |
753 | for (Standard_Integer i = 1; i <= Inter.NbLines(); i++) { |
754 | CI = Inter.Line(i); |
755 | if (ToSmall(CI)) continue; |
756 | TopoDS_Edge E = BRepLib_MakeEdge(CI); |
757 | if (Inter.HasLineOnS1(i)) { |
ab87e6fc |
758 | Handle(Geom2d_Curve) C2 = Inter.LineOnS1(i); |
759 | PutInBounds (F1,E,C2); |
760 | B.UpdateEdge (E,C2,F1,BRep_Tool::Tolerance(E)); |
7fd59977 |
761 | } |
762 | else { |
ab87e6fc |
763 | BuildPCurves (E,F1); |
7fd59977 |
764 | } |
765 | if (Inter.HasLineOnS2(i)) { |
ab87e6fc |
766 | Handle(Geom2d_Curve) C2 = Inter.LineOnS2(i); |
767 | PutInBounds (F2,E,C2); |
768 | B.UpdateEdge (E,C2,F2,BRep_Tool::Tolerance(E)); |
7fd59977 |
769 | } |
770 | else { |
ab87e6fc |
771 | BuildPCurves (E,F2); |
7fd59977 |
772 | } |
773 | OrientSection (E,F1,F2,O1,O2); |
774 | if (Side == TopAbs_OUT) { |
ab87e6fc |
775 | O1 = TopAbs::Reverse(O1); |
776 | O2 = TopAbs::Reverse(O2); |
7fd59977 |
777 | } |
778 | L1.Append (E.Oriented(O1)); |
779 | L2.Append (E.Oriented(O2)); |
780 | #ifdef DRAW |
781 | if (AffichInter) { |
782 | // POP pour NT |
ab87e6fc |
783 | char* name = new char[100]; |
784 | sprintf(name,"EI_%d",NbNewEdges++); |
785 | DBRep::Set(name,E.Oriented(O1)); |
7fd59977 |
786 | } |
787 | #endif |
788 | } |
789 | } |
790 | } |
791 | |
792 | |
793 | //======================================================================= |
794 | //function : IsAutonomVertex |
795 | //purpose : Checks wether a vertex is "autonom" or not |
796 | //======================================================================= |
797 | |
798 | static Standard_Boolean IsAutonomVertex(const TopoDS_Shape& aVertex, |
96a95605 |
799 | const BOPDS_PDS& pDS) |
7fd59977 |
800 | { |
96a95605 |
801 | Standard_Integer index; |
4e57c75e |
802 | Standard_Integer aNbVVs, aNbEEs, aNbEFs, aInt; |
803 | // |
804 | index = pDS->Index(aVertex); |
805 | if (index == -1) { |
806 | Standard_Integer i, i1, i2; |
807 | i1=pDS->NbSourceShapes(); |
808 | i2=pDS->NbShapes(); |
809 | for (i=i1; i<i2; ++i) { |
810 | const TopoDS_Shape& aSx=pDS->Shape(i); |
811 | if(aSx.IsSame(aVertex)) { |
ab87e6fc |
812 | index = i; |
813 | break; |
814 | } |
815 | } |
816 | } |
4e57c75e |
817 | // |
4e57c75e |
818 | if (!pDS->IsNewShape(index)) { |
819 | return Standard_False; |
ab87e6fc |
820 | } |
4e57c75e |
821 | //check if vertex with index "index" is not created in VV or EE or EF interference |
822 | //VV |
823 | BOPDS_VectorOfInterfVV& aVVs=pDS->InterfVV(); |
824 | aNbVVs = aVVs.Extent(); |
825 | for(aInt = 0; aInt < aNbVVs; aInt++) { |
826 | const BOPDS_InterfVV& aVV = aVVs(aInt); |
827 | if (aVV.HasIndexNew()) { |
828 | if (aVV.IndexNew() == index) { |
ab87e6fc |
829 | return Standard_False; |
830 | } |
831 | } |
7fd59977 |
832 | } |
4e57c75e |
833 | //EE |
834 | BOPDS_VectorOfInterfEE& aEEs=pDS->InterfEE(); |
835 | aNbEEs = aEEs.Extent(); |
836 | for(aInt = 0; aInt < aNbEEs; aInt++) { |
837 | const BOPDS_InterfEE& aEE = aEEs(aInt); |
838 | IntTools_CommonPrt aCP = aEE.CommonPart(); |
839 | if(aCP.Type() == TopAbs_VERTEX) { |
840 | if (aEE.IndexNew() == index) { |
ab87e6fc |
841 | return Standard_False; |
842 | } |
843 | } |
844 | } |
4e57c75e |
845 | //EF |
846 | BOPDS_VectorOfInterfEF& aEFs=pDS->InterfEF(); |
847 | aNbEFs = aEFs.Extent(); |
848 | for(aInt = 0; aInt < aNbEFs; aInt++) { |
849 | const BOPDS_InterfEF& aEF = aEFs(aInt); |
850 | IntTools_CommonPrt aCP = aEF.CommonPart(); |
851 | if(aCP.Type() == TopAbs_VERTEX) { |
852 | if (aEF.IndexNew() == index) { |
853 | return Standard_False; |
ab87e6fc |
854 | } |
4e57c75e |
855 | } |
856 | } |
7fd59977 |
857 | return Standard_True; |
858 | } |
859 | |
860 | |
861 | //======================================================================= |
862 | //function : AreConnex |
863 | //purpose : define if two shapes are connex by a vertex (vertices) |
864 | //======================================================================= |
865 | |
866 | static Standard_Boolean AreConnex(const TopoDS_Wire& W1, |
ab87e6fc |
867 | const TopoDS_Wire& W2, |
96a95605 |
868 | const BOPDS_PDS& pDS) |
7fd59977 |
869 | { |
870 | TopoDS_Vertex V11, V12, V21, V22; |
871 | TopExp::Vertices( W1, V11, V12 ); |
872 | TopExp::Vertices( W2, V21, V22 ); |
873 | |
874 | if (V11.IsSame(V21) || V11.IsSame(V22) || |
875 | V12.IsSame(V21) || V12.IsSame(V22)) |
876 | { |
877 | Standard_Boolean isCV1 = V11.IsSame(V21) || V11.IsSame(V22); |
878 | Standard_Boolean isCV2 = V12.IsSame(V21) || V12.IsSame(V22); |
96a95605 |
879 | if (isCV1 && !IsAutonomVertex(V11, pDS)) |
ab87e6fc |
880 | { |
881 | if (!isCV2) |
882 | return Standard_False; |
96a95605 |
883 | if (!IsAutonomVertex(V12, pDS)) |
ab87e6fc |
884 | return Standard_False; |
885 | } |
96a95605 |
886 | if (!isCV1 && !IsAutonomVertex(V12, pDS)) |
ab87e6fc |
887 | return Standard_False; |
7fd59977 |
888 | |
889 | TopoDS_Vertex CV = (V11.IsSame(V21) || V11.IsSame(V22))? V11 : V12; |
890 | TopoDS_Edge E1, E2; |
891 | TopoDS_Iterator itw( W1 ); |
892 | for (; itw.More(); itw.Next()) |
ab87e6fc |
893 | { |
894 | E1 = TopoDS::Edge(itw.Value()); |
895 | TopoDS_Vertex V1, V2; |
896 | TopExp::Vertices( E1, V1, V2 ); |
897 | if (V1.IsSame(CV) || V2.IsSame(CV)) |
898 | break; |
899 | } |
7fd59977 |
900 | itw.Initialize( W2 ); |
901 | E2 = TopoDS::Edge(itw.Value()); |
902 | |
903 | Standard_Real f, l; |
904 | Handle(Geom_Curve) C1 = BRep_Tool::Curve( E1, f, l ); |
905 | if (C1->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
ab87e6fc |
906 | C1 = (*((Handle(Geom_TrimmedCurve)*)&C1))->BasisCurve(); |
7fd59977 |
907 | |
908 | Handle(Geom_Curve) C2 = BRep_Tool::Curve( E2, f, l ); |
909 | if (C2->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
ab87e6fc |
910 | C2 = (*((Handle(Geom_TrimmedCurve)*)&C2))->BasisCurve(); |
7fd59977 |
911 | |
912 | if (C1->IsInstance(STANDARD_TYPE(Geom_Line)) && |
ab87e6fc |
913 | C2->IsInstance(STANDARD_TYPE(Geom_Line))) |
914 | { |
915 | Handle(Geom_Line) L1 = *((Handle(Geom_Line)*) &C1); |
916 | gp_Ax1 Axis1 = L1->Position(); |
917 | Handle(Geom_Line) L2 = *((Handle(Geom_Line)*) &C2); |
918 | gp_Ax1 Axis2 = L2->Position(); |
919 | if (! Axis1.IsParallel( Axis2, Precision::Angular() )) |
920 | return Standard_False; |
921 | } |
7fd59977 |
922 | |
923 | return Standard_True; |
924 | } |
925 | |
926 | return Standard_False; |
927 | } |
928 | |
929 | //======================================================================= |
930 | //function : AreClosed |
931 | //purpose : define if two edges are connex by two vertices |
932 | //======================================================================= |
933 | |
934 | static Standard_Boolean AreClosed(const TopoDS_Edge& E1, |
ab87e6fc |
935 | const TopoDS_Edge& E2) |
7fd59977 |
936 | { |
937 | TopoDS_Vertex V11, V12, V21, V22; |
938 | TopExp::Vertices( E1, V11, V12 ); |
939 | TopExp::Vertices( E2, V21, V22 ); |
940 | |
0ebaa4db |
941 | if ((V11.IsSame(V21) && V12.IsSame(V22)) || |
942 | (V11.IsSame(V22) && V12.IsSame(V21))) |
7fd59977 |
943 | return Standard_True; |
944 | |
945 | return Standard_False; |
946 | } |
947 | |
948 | //======================================================================= |
949 | //function : BSplineEdges |
950 | //purpose : |
951 | //======================================================================= |
952 | |
953 | static Standard_Boolean BSplineEdges(const TopoDS_Edge& E1, |
ab87e6fc |
954 | const TopoDS_Edge& E2, |
955 | const Standard_Integer par1, |
956 | const Standard_Integer par2, |
957 | Standard_Real& angle) |
7fd59977 |
958 | { |
959 | Standard_Real first1, last1, first2, last2, Param1, Param2; |
960 | |
961 | Handle(Geom_Curve) C1 = BRep_Tool::Curve( E1, first1, last1 ); |
962 | if (C1->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
963 | C1 = (*((Handle(Geom_TrimmedCurve)*)&C1))->BasisCurve(); |
964 | |
965 | Handle(Geom_Curve) C2 = BRep_Tool::Curve( E2, first2, last2 ); |
966 | if (C2->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
967 | C2 = (*((Handle(Geom_TrimmedCurve)*)&C2))->BasisCurve(); |
968 | |
969 | if (!C1->IsInstance(STANDARD_TYPE(Geom_BSplineCurve)) || |
970 | !C2->IsInstance(STANDARD_TYPE(Geom_BSplineCurve))) |
971 | return Standard_False; |
972 | |
973 | Param1 = (par1 == 0)? first1 : last1; |
974 | Param2 = (par2 == 0)? first2 : last2; |
975 | |
976 | gp_Pnt Pnt1, Pnt2; |
977 | gp_Vec Der1, Der2; |
978 | C1->D1( Param1, Pnt1, Der1 ); |
979 | C2->D1( Param2, Pnt2, Der2 ); |
980 | |
981 | if (Der1.Magnitude() <= gp::Resolution() || |
982 | Der2.Magnitude() <= gp::Resolution()) |
c6541a0c |
983 | angle = M_PI/2.; |
7fd59977 |
984 | else |
985 | angle = Der1.Angle(Der2); |
986 | |
987 | return Standard_True; |
988 | } |
989 | |
990 | //======================================================================= |
991 | //function : AngleWireEdge |
992 | //purpose : |
993 | //======================================================================= |
994 | |
995 | static Standard_Real AngleWireEdge(const TopoDS_Wire& aWire, |
ab87e6fc |
996 | const TopoDS_Edge& anEdge) |
7fd59977 |
997 | { |
998 | TopoDS_Vertex V11, V12, V21, V22, CV; |
999 | TopExp::Vertices( aWire, V11, V12 ); |
1000 | TopExp::Vertices( anEdge, V21, V22 ); |
1001 | CV = (V11.IsSame(V21) || V11.IsSame(V22))? V11 : V12; |
1002 | TopoDS_Edge FirstEdge; |
1003 | TopoDS_Iterator itw(aWire); |
1004 | for (; itw.More(); itw.Next()) |
1005 | { |
1006 | FirstEdge = TopoDS::Edge(itw.Value()); |
1007 | TopoDS_Vertex v1, v2; |
1008 | TopExp::Vertices( FirstEdge, v1, v2 ); |
1009 | if (v1.IsSame(CV) || v2.IsSame(CV)) |
ab87e6fc |
1010 | { |
1011 | V11 = v1; |
1012 | V12 = v2; |
1013 | break; |
1014 | } |
7fd59977 |
1015 | } |
1016 | Standard_Real Angle; |
1017 | if (V11.IsSame(CV) && V21.IsSame(CV)) |
1018 | { |
1019 | BSplineEdges( FirstEdge, anEdge, 0, 0, Angle ); |
c6541a0c |
1020 | Angle = M_PI - Angle; |
7fd59977 |
1021 | } |
1022 | else if (V11.IsSame(CV) && V22.IsSame(CV)) |
1023 | BSplineEdges( FirstEdge, anEdge, 0, 1, Angle ); |
1024 | else if (V12.IsSame(CV) && V21.IsSame(CV)) |
1025 | BSplineEdges( FirstEdge, anEdge, 1, 0, Angle ); |
1026 | else |
1027 | { |
1028 | BSplineEdges( FirstEdge, anEdge, 1, 1, Angle ); |
c6541a0c |
1029 | Angle = M_PI - Angle; |
7fd59977 |
1030 | } |
1031 | return Angle; |
1032 | } |
1033 | |
1034 | |
1035 | //======================================================================= |
1036 | //function : ReconstructPCurves |
1037 | //purpose : |
1038 | //======================================================================= |
1039 | |
1040 | static void ReconstructPCurves(const TopoDS_Edge& anEdge) |
1041 | { |
1042 | Standard_Real f, l; |
1043 | Handle(Geom_Curve) C3d = BRep_Tool::Curve(anEdge, f, l); |
1044 | |
1045 | BRep_ListIteratorOfListOfCurveRepresentation |
1046 | itcr( (Handle(BRep_TEdge)::DownCast(anEdge.TShape()))->ChangeCurves() ); |
1047 | for (; itcr.More(); itcr.Next()) |
1048 | { |
1049 | Handle( BRep_CurveRepresentation ) CurveRep = itcr.Value(); |
1050 | if (CurveRep->IsCurveOnSurface()) |
ab87e6fc |
1051 | { |
1052 | Handle(Geom_Surface) theSurf = CurveRep->Surface(); |
1053 | TopLoc_Location theLoc = CurveRep->Location(); |
1054 | theLoc = anEdge.Location() * theLoc; |
1055 | theSurf = Handle(Geom_Surface)::DownCast |
1056 | (theSurf->Transformed(theLoc.Transformation())); |
1057 | Handle(Geom2d_Curve) ProjPCurve = |
1058 | GeomProjLib::Curve2d( C3d, f, l, theSurf ); |
1059 | CurveRep->PCurve( ProjPCurve ); |
1060 | } |
7fd59977 |
1061 | } |
1062 | } |
1063 | |
1064 | //======================================================================= |
1065 | //function : ConcatPCurves |
1066 | //purpose : |
1067 | //======================================================================= |
1068 | |
1069 | static Handle(Geom2d_Curve) ConcatPCurves(const TopoDS_Edge& E1, |
ab87e6fc |
1070 | const TopoDS_Edge& E2, |
1071 | const TopoDS_Face& F, |
1072 | const Standard_Boolean After, |
1073 | Standard_Real& newFirst, |
1074 | Standard_Real& newLast) |
7fd59977 |
1075 | { |
1076 | Standard_Real Tol = 1.e-7; |
1077 | GeomAbs_Shape Continuity = GeomAbs_C1; |
1078 | Standard_Integer MaxDeg = 14; |
1079 | Standard_Integer MaxSeg = 16; |
1080 | |
1081 | Standard_Real first1, last1, first2, last2; |
1082 | Handle(Geom2d_Curve) PCurve1, PCurve2, newPCurve; |
1083 | |
1084 | PCurve1 = BRep_Tool::CurveOnSurface( E1, F, first1, last1 ); |
1085 | if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_TrimmedCurve))) |
1086 | PCurve1 = (*((Handle(Geom2d_TrimmedCurve)*)&PCurve1))->BasisCurve(); |
1087 | |
1088 | PCurve2 = BRep_Tool::CurveOnSurface( E2, F, first2, last2 ); |
1089 | if (PCurve2->IsInstance(STANDARD_TYPE(Geom2d_TrimmedCurve))) |
1090 | PCurve2 = (*((Handle(Geom2d_TrimmedCurve)*)&PCurve2))->BasisCurve(); |
1091 | |
1092 | if (PCurve1 == PCurve2) |
1093 | { |
1094 | newPCurve = PCurve1; |
1095 | newFirst = Min( first1, first2 ); |
1096 | newLast = Max( last1, last2 ); |
1097 | } |
1098 | else if (PCurve1->DynamicType() == PCurve2->DynamicType() && |
ab87e6fc |
1099 | (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Line)) || |
1100 | PCurve1->IsKind(STANDARD_TYPE(Geom2d_Conic)))) |
7fd59977 |
1101 | { |
1102 | newPCurve = PCurve1; |
1103 | gp_Pnt2d P1, P2; |
1104 | P1 = PCurve2->Value( first2 ); |
1105 | P2 = PCurve2->Value( last2 ); |
1106 | if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Line))) |
ab87e6fc |
1107 | { |
1108 | Handle(Geom2d_Line) Lin1 = *((Handle(Geom2d_Line)*) &PCurve1); |
1109 | gp_Lin2d theLin = Lin1->Lin2d(); |
1110 | first2 = ElCLib::Parameter( theLin, P1 ); |
1111 | last2 = ElCLib::Parameter( theLin, P2 ); |
1112 | } |
7fd59977 |
1113 | else if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Circle))) |
ab87e6fc |
1114 | { |
1115 | Handle(Geom2d_Circle) Circ1 = *((Handle(Geom2d_Circle)*) &PCurve1); |
1116 | gp_Circ2d theCirc = Circ1->Circ2d(); |
1117 | first2 = ElCLib::Parameter( theCirc, P1 ); |
1118 | last2 = ElCLib::Parameter( theCirc, P2 ); |
1119 | } |
7fd59977 |
1120 | else if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Ellipse))) |
ab87e6fc |
1121 | { |
1122 | Handle(Geom2d_Ellipse) Ell1 = *((Handle(Geom2d_Ellipse)*) &PCurve1); |
1123 | gp_Elips2d theElips = Ell1->Elips2d(); |
1124 | first2 = ElCLib::Parameter( theElips, P1 ); |
1125 | last2 = ElCLib::Parameter( theElips, P2 ); |
1126 | } |
7fd59977 |
1127 | else if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Parabola))) |
ab87e6fc |
1128 | { |
1129 | Handle(Geom2d_Parabola) Parab1 = *((Handle(Geom2d_Parabola)*) &PCurve1); |
1130 | gp_Parab2d theParab = Parab1->Parab2d(); |
1131 | first2 = ElCLib::Parameter( theParab, P1 ); |
1132 | last2 = ElCLib::Parameter( theParab, P2 ); |
1133 | } |
7fd59977 |
1134 | else if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Hyperbola))) |
ab87e6fc |
1135 | { |
1136 | Handle(Geom2d_Hyperbola) Hypr1 = *((Handle(Geom2d_Hyperbola)*) &PCurve1); |
1137 | gp_Hypr2d theHypr = Hypr1->Hypr2d(); |
1138 | first2 = ElCLib::Parameter( theHypr, P1 ); |
1139 | last2 = ElCLib::Parameter( theHypr, P2 ); |
1140 | } |
7fd59977 |
1141 | newFirst = Min( first1, first2 ); |
1142 | newLast = Max( last1, last2 ); |
1143 | } |
1144 | else |
1145 | { |
1146 | Handle(Geom2d_TrimmedCurve) TC1 = new Geom2d_TrimmedCurve( PCurve1, first1, last1 ); |
1147 | Handle(Geom2d_TrimmedCurve) TC2 = new Geom2d_TrimmedCurve( PCurve2, first2, last2 ); |
1148 | Geom2dConvert_CompCurveToBSplineCurve Concat2d( TC1 ); |
1149 | Concat2d.Add( TC2, Precision::Confusion(), After ); |
1150 | newPCurve = Concat2d.BSplineCurve(); |
1151 | if (newPCurve->Continuity() < GeomAbs_C1) |
ab87e6fc |
1152 | { |
1153 | Geom2dConvert_ApproxCurve Approx2d( newPCurve, Tol, Continuity, MaxSeg, MaxDeg ); |
1154 | if (Approx2d.HasResult()) |
1155 | newPCurve = Approx2d.Curve(); |
1156 | } |
7fd59977 |
1157 | newFirst = newPCurve->FirstParameter(); |
1158 | newLast = newPCurve->LastParameter(); |
1159 | } |
1160 | |
1161 | return newPCurve; |
1162 | } |
1163 | |
1164 | //======================================================================= |
1165 | //function : Glue |
1166 | //purpose : glue two edges. |
1167 | //======================================================================= |
1168 | |
1169 | static TopoDS_Edge Glue(const TopoDS_Edge& E1, |
ab87e6fc |
1170 | const TopoDS_Edge& E2, |
1171 | const TopoDS_Vertex& Vfirst, |
1172 | const TopoDS_Vertex& Vlast, |
1173 | const Standard_Boolean After, |
1174 | const TopoDS_Face& F1, |
1175 | const Standard_Boolean addPCurve1, |
1176 | const TopoDS_Face& F2, |
1177 | const Standard_Boolean addPCurve2) |
7fd59977 |
1178 | { |
1179 | Standard_Real Tol = 1.e-7; |
1180 | GeomAbs_Shape Continuity = GeomAbs_C1; |
1181 | Standard_Integer MaxDeg = 14; |
1182 | Standard_Integer MaxSeg = 16; |
1183 | |
1184 | Handle(Geom_Curve) C1, C2, newCurve; |
1185 | Handle(Geom2d_Curve) PCurve1, PCurve2, newPCurve; |
1186 | Standard_Real first1, last1, first2, last2, fparam=0., lparam=0.; |
1187 | Standard_Boolean IsCanonic = Standard_False; |
1188 | |
1189 | C1 = BRep_Tool::Curve( E1, first1, last1 ); |
1190 | if (C1->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
1191 | C1 = (*((Handle(Geom_TrimmedCurve)*)&C1))->BasisCurve(); |
1192 | |
1193 | C2 = BRep_Tool::Curve( E2, first2, last2 ); |
1194 | if (C2->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
1195 | C2 = (*((Handle(Geom_TrimmedCurve)*)&C2))->BasisCurve(); |
1196 | |
1197 | if (C1 == C2) |
1198 | { |
1199 | newCurve = C1; |
1200 | fparam = Min( first1, first2 ); |
1201 | lparam = Max( last1, last2 ); |
1202 | } |
1203 | else if (C1->DynamicType() == C2->DynamicType() && |
ab87e6fc |
1204 | (C1->IsInstance(STANDARD_TYPE(Geom_Line)) || |
1205 | C1->IsKind(STANDARD_TYPE(Geom_Conic)))) |
7fd59977 |
1206 | { |
1207 | IsCanonic = Standard_True; |
1208 | newCurve = C1; |
1209 | } |
1210 | else |
1211 | { |
1212 | Handle(Geom_TrimmedCurve) TC1 = new Geom_TrimmedCurve( C1, first1, last1 ); |
1213 | Handle(Geom_TrimmedCurve) TC2 = new Geom_TrimmedCurve( C2, first2, last2 ); |
1214 | GeomConvert_CompCurveToBSplineCurve Concat( TC1 ); |
1215 | Concat.Add( TC2, Precision::Confusion(), After ); |
1216 | newCurve = Concat.BSplineCurve(); |
1217 | if (newCurve->Continuity() < GeomAbs_C1) |
ab87e6fc |
1218 | { |
1219 | GeomConvert_ApproxCurve Approx3d( newCurve, Tol, Continuity, MaxSeg, MaxDeg ); |
1220 | if (Approx3d.HasResult()) |
1221 | newCurve = Approx3d.Curve(); |
1222 | } |
7fd59977 |
1223 | fparam = newCurve->FirstParameter(); |
1224 | lparam = newCurve->LastParameter(); |
1225 | } |
1226 | |
1227 | TopoDS_Edge newEdge; |
1228 | BRep_Builder BB; |
1229 | |
1230 | if (IsCanonic) |
1231 | newEdge = BRepLib_MakeEdge( newCurve, Vfirst, Vlast ); |
1232 | else |
1233 | newEdge = BRepLib_MakeEdge( newCurve, Vfirst, Vlast, fparam, lparam ); |
1234 | |
1235 | Standard_Real newFirst, newLast; |
1236 | if (addPCurve1) |
1237 | { |
1238 | newPCurve = ConcatPCurves( E1, E2, F1, After, newFirst, newLast ); |
1239 | BB.UpdateEdge( newEdge, newPCurve, F1, 0. ); |
1240 | BB.Range( newEdge, F1, newFirst, newLast ); |
1241 | } |
1242 | if (addPCurve2) |
1243 | { |
1244 | newPCurve = ConcatPCurves( E1, E2, F2, After, newFirst, newLast ); |
1245 | BB.UpdateEdge( newEdge, newPCurve, F2, 0. ); |
1246 | BB.Range( newEdge, F2, newFirst, newLast ); |
1247 | } |
1248 | |
1249 | return newEdge; |
1250 | } |
1251 | |
1252 | |
1253 | //======================================================================= |
1254 | //function : FindNewVerticesOnBoundsOfFace |
1255 | //purpose : |
1256 | //======================================================================= |
1257 | |
4e57c75e |
1258 | static void FindNewVerticesOnBoundsOfFace(const BOPDS_PDS& pDS, |
ab87e6fc |
1259 | const TopoDS_Face& aFace, |
1260 | TopTools_DataMapOfShapeShape& VEmap) |
7fd59977 |
1261 | { |
1262 | TopTools_IndexedMapOfShape OldVertices; |
1263 | TopExp::MapShapes( aFace, TopAbs_VERTEX, OldVertices ); |
4e57c75e |
1264 | BOPDS_ListIteratorOfListOfPaveBlock aItLPB; |
1265 | TopoDS_Vertex V1, V2; |
ab87e6fc |
1266 | |
7fd59977 |
1267 | TopExp_Explorer Explo( aFace, TopAbs_EDGE ); |
4e57c75e |
1268 | for (; Explo.More(); Explo.Next()) { |
1269 | const TopoDS_Shape& aE = Explo.Current(); |
1270 | Standard_Integer nE = pDS->Index(aE); |
1271 | // |
1272 | const BOPDS_ListOfPaveBlock& aLPB = pDS->PaveBlocks(nE); |
1273 | aItLPB.Initialize(aLPB); |
1274 | for (; aItLPB.More(); aItLPB.Next()) { |
1275 | const Handle(BOPDS_PaveBlock)& aPB = aItLPB.Value(); |
1276 | const TopoDS_Edge& aESp = *(TopoDS_Edge*)&pDS->Shape(aPB->Edge()); |
1277 | // |
1278 | TopExp::Vertices( aESp, V1, V2 ); |
1279 | if (!OldVertices.Contains( V1 )) { |
1280 | VEmap.Bind( V1, aE ); |
ab87e6fc |
1281 | } |
4e57c75e |
1282 | // |
1283 | if (!OldVertices.Contains( V2 )) { |
1284 | VEmap.Bind( V2, aE ); |
7fd59977 |
1285 | } |
ab87e6fc |
1286 | } |
4e57c75e |
1287 | } |
7fd59977 |
1288 | } |
ab87e6fc |
1289 | |
7fd59977 |
1290 | //======================================================================= |
1291 | //function : CheckIntersFF |
1292 | //purpose : |
1293 | //======================================================================= |
1294 | |
4e57c75e |
1295 | static Standard_Boolean CheckIntersFF(const BOPDS_PDS& pDS, |
ab87e6fc |
1296 | const TopoDS_Edge& RefEdge, |
1297 | const TopoDS_Face& F1, |
1298 | const TopoDS_Face& F2, |
1299 | TopTools_IndexedMapOfShape& TrueEdges) |
7fd59977 |
1300 | { |
1301 | Standard_Boolean isEl1 = Standard_False, isEl2 = Standard_False; |
1302 | Standard_Boolean isPlane1 = Standard_False, isPlane2 = Standard_False; |
1303 | |
1304 | Handle(Geom_Surface) aSurf = BRep_Tool::Surface(F1); |
1305 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) |
1306 | aSurf = (*((Handle(Geom_RectangularTrimmedSurface)*)&aSurf))->BasisSurface(); |
1307 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_Plane))) |
1308 | isPlane1 = Standard_True; |
1309 | else if (aSurf->IsKind(STANDARD_TYPE(Geom_ElementarySurface))) |
1310 | isEl1 = Standard_True; |
1311 | |
1312 | aSurf = BRep_Tool::Surface(F2); |
1313 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) |
1314 | aSurf = (*((Handle(Geom_RectangularTrimmedSurface)*)&aSurf))->BasisSurface(); |
1315 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_Plane))) |
1316 | isPlane2 = Standard_True; |
1317 | else if (aSurf->IsKind(STANDARD_TYPE(Geom_ElementarySurface))) |
1318 | isEl2 = Standard_True; |
1319 | |
1320 | if (isPlane1 || isPlane2) |
1321 | return Standard_True; |
1322 | |
1323 | if (isEl1 && isEl2) |
1324 | return Standard_True; |
1325 | |
4e57c75e |
1326 | BOPDS_VectorOfInterfFF& aFFs = pDS->InterfFF(); |
7fd59977 |
1327 | Standard_Integer aNb = aFFs.Extent(); |
1328 | Standard_Integer i, j, nbe = 0; |
1329 | |
1330 | TopTools_SequenceOfShape Edges; |
1331 | |
4e57c75e |
1332 | for (i = 0; i < aNb; ++i) |
7fd59977 |
1333 | { |
4e57c75e |
1334 | BOPDS_InterfFF& aFFi=aFFs(i); |
1335 | const BOPDS_VectorOfCurve& aBCurves=aFFi.Curves(); |
1336 | Standard_Integer aNbCurves = aBCurves.Extent(); |
7fd59977 |
1337 | |
4e57c75e |
1338 | for (j = 0; j < aNbCurves; ++j) |
ab87e6fc |
1339 | { |
4e57c75e |
1340 | const BOPDS_Curve& aBC=aBCurves(j); |
1341 | const BOPDS_ListOfPaveBlock& aSectEdges = aBC.PaveBlocks(); |
ab87e6fc |
1342 | |
4e57c75e |
1343 | BOPDS_ListIteratorOfListOfPaveBlock aPBIt; |
1344 | aPBIt.Initialize(aSectEdges); |
ab87e6fc |
1345 | |
1346 | for (; aPBIt.More(); aPBIt.Next()) |
1347 | { |
4e57c75e |
1348 | const Handle(BOPDS_PaveBlock)& aPB = aPBIt.Value(); |
1349 | Standard_Integer nSect = aPB->Edge(); |
1350 | const TopoDS_Edge& anEdge = *(TopoDS_Edge*)&pDS->Shape(nSect); |
ab87e6fc |
1351 | Edges.Append( anEdge ); |
1352 | nbe++; |
1353 | } |
1354 | } |
7fd59977 |
1355 | } |
1356 | |
1357 | if (nbe <= 1) |
1358 | return Standard_True; |
1359 | |
1360 | //define tangents of RefEdge on start and on end |
1361 | BRepAdaptor_Curve cref(RefEdge); |
1362 | gp_Vec RefTangFirst = cref.DN(cref.FirstParameter(), 1); |
1363 | gp_Vec RefTangLast = cref.DN(cref.LastParameter(), 1); |
1364 | |
1365 | //find the start edge and take it from Edges |
1366 | TopoDS_Edge StartEdge; //, StartEonF1, StartEonF2, EndEonF1, EndEonF2; |
1367 | |
1368 | TopTools_DataMapOfShapeShape VEmapF1, VEmapF2; |
4e57c75e |
1369 | FindNewVerticesOnBoundsOfFace( pDS, F1, VEmapF1 ); |
1370 | FindNewVerticesOnBoundsOfFace( pDS, F2, VEmapF2 ); |
7fd59977 |
1371 | |
1372 | Standard_Real AngTol = 0.1; |
1373 | Standard_Boolean V1onBound = Standard_False; |
1374 | Standard_Boolean V2onBound = Standard_False; |
1375 | TopoDS_Vertex V1, V2, Vcur; |
1376 | gp_Vec TangFirst, TangLast, TangCur; |
1377 | for (i = 1; i <= Edges.Length(); i++) |
1378 | { |
1379 | StartEdge = TopoDS::Edge(Edges(i)); |
1380 | TopExp::Vertices( StartEdge, V1, V2 ); |
1381 | V1onBound = VEmapF1.IsBound(V1) || VEmapF2.IsBound(V1); // && ? |
1382 | V2onBound = VEmapF1.IsBound(V2) || VEmapF2.IsBound(V2); // && ? |
1383 | if (V1onBound || V2onBound) |
ab87e6fc |
1384 | { |
1385 | BRepAdaptor_Curve CE(StartEdge); |
1386 | TangFirst = CE.DN( CE.FirstParameter(), 1 ); |
1387 | TangLast = CE.DN( CE.LastParameter(), 1 ); |
1388 | if (V1onBound) |
1389 | { |
1390 | if (TangFirst.IsParallel( RefTangFirst, AngTol ) || |
1391 | TangFirst.IsParallel( RefTangLast, AngTol )) |
1392 | break; //start edged found |
1393 | } |
1394 | else if (V2onBound) |
1395 | { |
1396 | if (TangLast.IsParallel( RefTangLast, AngTol ) || |
1397 | TangLast.IsParallel( RefTangFirst, AngTol )) |
1398 | break; //start edged found |
1399 | } |
1400 | } |
7fd59977 |
1401 | } |
1402 | |
1403 | if (i > Edges.Length()) //start edged not found |
1404 | return Standard_False; |
1405 | |
1406 | if (V1onBound && V2onBound) |
1407 | { |
0ebaa4db |
1408 | if ((TangFirst.IsParallel(RefTangFirst,AngTol) && TangLast.IsParallel(RefTangLast,AngTol)) || |
1409 | (TangFirst.IsParallel(RefTangLast,AngTol) && TangLast.IsParallel(RefTangFirst,AngTol))) |
1410 | { |
1411 | TrueEdges.Add( Edges(i) ); |
1412 | return Standard_True; |
1413 | } |
7fd59977 |
1414 | else |
0ebaa4db |
1415 | return Standard_False; |
7fd59977 |
1416 | } |
1417 | |
1418 | //StartEonF1 = (V1onBound)? VEmapF1( V1 ) : VEmapF1( V2 ); |
1419 | //StartEonF2 = (V1onBound)? VEmapF2( V1 ) : VEmapF2( V2 ); |
1420 | |
1421 | TrueEdges.Add( Edges(i) ); |
1422 | Edges.Remove(i); |
1423 | Vcur = (V1onBound)? V2 : V1; |
1424 | TangCur = (V1onBound)? TangLast : TangFirst; |
1425 | if (V2onBound) |
1426 | TangCur.Reverse(); |
1427 | |
1428 | //build the chain from StartEdge till the opposite bound of face |
1429 | for (;;) |
1430 | { |
1431 | TColStd_SequenceOfInteger Candidates; |
1432 | for (i = 1; i <= Edges.Length(); i++) |
ab87e6fc |
1433 | { |
1434 | TopoDS_Edge anEdge = TopoDS::Edge(Edges(i)); |
1435 | TopExp::Vertices( anEdge, V1, V2 ); |
1436 | if (V1.IsSame(Vcur) || V2.IsSame(Vcur)) |
1437 | Candidates.Append(i); |
1438 | } |
7fd59977 |
1439 | if (Candidates.IsEmpty()) |
ab87e6fc |
1440 | { |
1441 | TrueEdges.Clear(); |
1442 | return Standard_False; |
1443 | } |
7fd59977 |
1444 | |
1445 | Standard_Integer minind = 1; |
1446 | if (Candidates.Length() > 1) |
ab87e6fc |
1447 | { |
1448 | Standard_Real MinAngle = RealLast(); |
1449 | for (i = 1; i <= Candidates.Length(); i++) |
1450 | { |
1451 | TopoDS_Edge anEdge = TopoDS::Edge(Edges(Candidates(i))); |
1452 | TopExp::Vertices( anEdge, V1, V2 ); |
1453 | Standard_Boolean ConnectByFirst = (Vcur.IsSame(V1))? Standard_True : Standard_False; |
1454 | BRepAdaptor_Curve CE(anEdge); |
1455 | gp_Vec aTang = (ConnectByFirst)? |
1456 | CE.DN( CE.FirstParameter(), 1 ) : CE.DN( CE.LastParameter(), 1 ); |
1457 | if (!ConnectByFirst) |
1458 | aTang.Reverse(); |
1459 | Standard_Real anAngle = TangCur.Angle(aTang); |
1460 | if (anAngle < MinAngle) |
1461 | { |
1462 | MinAngle = anAngle; |
1463 | minind = i; |
1464 | } |
1465 | } |
1466 | } |
7fd59977 |
1467 | TopoDS_Edge CurEdge = TopoDS::Edge(Edges(Candidates(minind))); |
1468 | TrueEdges.Add( CurEdge ); |
1469 | Edges.Remove(Candidates(minind)); |
1470 | TopExp::Vertices( CurEdge, V1, V2 ); |
1471 | Standard_Boolean ConnectByFirst = (Vcur.IsSame(V1))? Standard_True : Standard_False; |
1472 | Vcur = (ConnectByFirst)? V2 : V1; |
1473 | BRepAdaptor_Curve CE(CurEdge); |
1474 | TangCur = (ConnectByFirst)? CE.DN( CE.LastParameter(), 1 ) : CE.DN( CE.FirstParameter(), 1 ); |
1475 | if (!ConnectByFirst) |
ab87e6fc |
1476 | TangCur.Reverse(); |
7fd59977 |
1477 | //check if Vcur is on bounds of faces |
1478 | if (VEmapF1.IsBound(Vcur) || VEmapF2.IsBound(Vcur)) |
ab87e6fc |
1479 | break; |
7fd59977 |
1480 | } //end of for (;;) |
1481 | |
1482 | if (TangCur.IsParallel( RefTangFirst, AngTol ) || |
1483 | TangCur.IsParallel( RefTangLast, AngTol )) |
1484 | return Standard_True; |
1485 | |
1486 | TrueEdges.Clear(); |
1487 | return Standard_False; |
1488 | } |
1489 | |
1490 | //======================================================================= |
1491 | //function : AssembleEdge |
1492 | //purpose : |
1493 | //======================================================================= |
1494 | |
4e57c75e |
1495 | static TopoDS_Edge AssembleEdge(const BOPDS_PDS& pDS, |
ab87e6fc |
1496 | const TopoDS_Face& F1, |
1497 | const TopoDS_Face& F2, |
1498 | const Standard_Boolean addPCurve1, |
1499 | const Standard_Boolean addPCurve2, |
1500 | const TopTools_SequenceOfShape& EdgesForConcat) |
7fd59977 |
1501 | { |
1502 | TopoDS_Edge CurEdge = TopoDS::Edge( EdgesForConcat(1) ); |
1503 | for (Standard_Integer j = 2; j <= EdgesForConcat.Length(); j++) |
1504 | { |
1505 | TopoDS_Edge anEdge = TopoDS::Edge( EdgesForConcat(j) ); |
1506 | Standard_Boolean After = Standard_False; |
1507 | TopoDS_Vertex Vfirst, Vlast; |
1508 | if (AreClosed( CurEdge, anEdge )) |
ab87e6fc |
1509 | { |
1510 | TopoDS_Vertex V1, V2; |
1511 | TopExp::Vertices( CurEdge, V1, V2 ); |
96a95605 |
1512 | if (IsAutonomVertex( V1, pDS )) |
ab87e6fc |
1513 | { |
1514 | After = Standard_False; |
1515 | Vfirst = Vlast = V2; |
1516 | } |
1517 | else |
1518 | { |
1519 | After = Standard_True; |
1520 | Vfirst = Vlast = V1; |
1521 | } |
1522 | } |
7fd59977 |
1523 | else |
ab87e6fc |
1524 | { |
1525 | TopoDS_Vertex CV, V11, V12, V21, V22; |
1526 | TopExp::CommonVertex( CurEdge, anEdge, CV ); |
1527 | TopExp::Vertices( CurEdge, V11, V12 ); |
1528 | TopExp::Vertices( anEdge, V21, V22 ); |
1529 | if (V11.IsSame(CV) && V21.IsSame(CV)) |
1530 | { |
1531 | Vfirst = V22; |
1532 | Vlast = V12; |
1533 | } |
1534 | else if (V11.IsSame(CV) && V22.IsSame(CV)) |
1535 | { |
1536 | Vfirst = V21; |
1537 | Vlast = V12; |
1538 | } |
1539 | else if (V12.IsSame(CV) && V21.IsSame(CV)) |
1540 | { |
1541 | Vfirst = V11; |
1542 | Vlast = V22; |
1543 | } |
1544 | else |
1545 | { |
1546 | Vfirst = V11; |
1547 | Vlast = V21; |
1548 | } |
1549 | } //end of else (open wire) |
7fd59977 |
1550 | |
1551 | TopoDS_Edge NewEdge = Glue(CurEdge, anEdge, |
ab87e6fc |
1552 | Vfirst, Vlast, After, |
1553 | F1, addPCurve1, F2, addPCurve2); |
7fd59977 |
1554 | CurEdge = NewEdge; |
1555 | } //end of for (Standard_Integer j = 2; j <= EdgesForConcat.Length(); j++) |
1556 | |
1557 | return CurEdge; |
1558 | } |
1559 | |
1560 | //======================================================================= |
1561 | //function : Inter3D |
1562 | //purpose : |
1563 | //======================================================================= |
1564 | |
1565 | void BRepOffset_Tool::Inter3D(const TopoDS_Face& F1, |
ab87e6fc |
1566 | const TopoDS_Face& F2, |
1567 | TopTools_ListOfShape& L1, |
1568 | TopTools_ListOfShape& L2, |
1569 | const TopAbs_State Side, |
1570 | const TopoDS_Edge& RefEdge, |
1571 | const Standard_Boolean IsRefEdgeDefined) |
7fd59977 |
1572 | { |
1573 | #ifdef DRAW |
1574 | if (AffichInter) { |
1575 | // POP pour NT |
1576 | char* name = new char[100]; |
1577 | sprintf(name,"FF_%d",NbFaces++); |
1578 | DBRep::Set(name,F1); |
1579 | sprintf(name,"FF_%d",NbFaces++); |
1580 | DBRep::Set(name,F2); |
1581 | } |
1582 | #endif |
1583 | |
1584 | TopoDS_Face cpF1=F1; |
1585 | TopoDS_Face cpF2=F2; |
1586 | // create 3D curves on faces |
1587 | BRepLib::BuildCurves3d(cpF1); |
1588 | BRepLib::BuildCurves3d(cpF2); |
1589 | |
4e57c75e |
1590 | BOPAlgo_PaveFiller aPF1, aPF2; |
1591 | BOPCol_ListOfShape aLS; |
1592 | aLS.Append(cpF1); |
1593 | aLS.Append(cpF2); |
1594 | aPF1.SetArguments(aLS); |
1595 | // |
1596 | aPF1.Perform(); |
7fd59977 |
1597 | |
ab87e6fc |
1598 | BOPAlgo_PaveFiller *pPF = &aPF1; |
1599 | |
4e57c75e |
1600 | aLS.Clear(); |
7fd59977 |
1601 | TopTools_IndexedMapOfShape TrueEdges; |
4e57c75e |
1602 | if (IsRefEdgeDefined && !CheckIntersFF( pPF->PDS(), RefEdge, cpF1, cpF2, TrueEdges )) |
7fd59977 |
1603 | { |
1604 | cpF1 = F2; |
1605 | cpF2 = F1; |
4e57c75e |
1606 | aLS.Append(cpF1); |
1607 | aLS.Append(cpF2); |
1608 | aPF2.SetArguments(aLS); |
1609 | aPF2.Perform(); |
1610 | pPF = &aPF2; |
1611 | CheckIntersFF( pPF->PDS(), RefEdge, cpF1, cpF2, TrueEdges ); |
7fd59977 |
1612 | } |
1613 | |
4e57c75e |
1614 | Standard_Boolean addPCurve1 = 1; |
1615 | Standard_Boolean addPCurve2 = 1; |
7fd59977 |
1616 | |
4e57c75e |
1617 | const BOPDS_PDS& pDS = pPF->PDS(); |
1618 | BOPDS_VectorOfInterfFF& aFFs=pDS->InterfFF(); |
7fd59977 |
1619 | Standard_Integer aNb = aFFs.Extent(); |
1620 | Standard_Integer i = 0, j = 0, k; |
1621 | // Store Result |
1622 | L1.Clear(); L2.Clear(); |
1623 | TopAbs_Orientation O1,O2; |
1624 | |
4e57c75e |
1625 | for (i = 0; i < aNb; i++) { |
1626 | BOPDS_InterfFF& aFFi=aFFs(i); |
1627 | const BOPDS_VectorOfCurve& aBCurves=aFFi.Curves(); |
7fd59977 |
1628 | |
ab87e6fc |
1629 | Standard_Integer aNbCurves = aBCurves.Extent(); |
1630 | |
4e57c75e |
1631 | for (j = 0; j < aNbCurves; j++) { |
1632 | const BOPDS_Curve& aBC=aBCurves(j); |
1633 | const BOPDS_ListOfPaveBlock& aSectEdges = aBC.PaveBlocks(); |
ab87e6fc |
1634 | |
4e57c75e |
1635 | BOPDS_ListIteratorOfListOfPaveBlock aPBIt; |
1636 | aPBIt.Initialize(aSectEdges); |
7fd59977 |
1637 | |
1638 | for (; aPBIt.More(); aPBIt.Next()) { |
4e57c75e |
1639 | const Handle(BOPDS_PaveBlock)& aPB = aPBIt.Value(); |
1640 | Standard_Integer nSect = aPB->Edge(); |
1641 | const TopoDS_Edge& anEdge = *(TopoDS_Edge*)&pDS->Shape(nSect); |
ab87e6fc |
1642 | if (!TrueEdges.IsEmpty() && !TrueEdges.Contains(anEdge)) |
1643 | continue; |
7fd59977 |
1644 | |
1645 | Standard_Real f, l; |
ab87e6fc |
1646 | const Handle(Geom_Curve)& aC3DE = BRep_Tool::Curve(anEdge, f, l); |
1647 | Handle(Geom_TrimmedCurve) aC3DETrim; |
1648 | |
1649 | if(!aC3DE.IsNull()) |
7fd59977 |
1650 | aC3DETrim = new Geom_TrimmedCurve(aC3DE, f, l); |
1651 | |
1652 | BRep_Builder aBB; |
ab87e6fc |
1653 | Standard_Real aTolEdge = BRep_Tool::Tolerance(anEdge); |
1654 | |
4e57c75e |
1655 | if (!BOPTools_AlgoTools2D::HasCurveOnSurface(anEdge, cpF1)) { |
7fd59977 |
1656 | Handle(Geom2d_Curve) aC2d = aBC.Curve().FirstCurve2d(); |
1657 | if(!aC3DETrim.IsNull()) { |
ab87e6fc |
1658 | Handle(Geom2d_Curve) aC2dNew; |
1659 | |
1660 | if(aC3DE->IsPeriodic()) { |
4e57c75e |
1661 | BOPTools_AlgoTools2D::AdjustPCurveOnFace(cpF1, f, l, aC2d, aC2dNew); |
ab87e6fc |
1662 | } |
1663 | else { |
4e57c75e |
1664 | BOPTools_AlgoTools2D::AdjustPCurveOnFace(cpF1, aC3DETrim, aC2d, aC2dNew); |
ab87e6fc |
1665 | } |
1666 | aC2d = aC2dNew; |
1667 | } |
1668 | aBB.UpdateEdge(anEdge, aC2d, cpF1, aTolEdge); |
7fd59977 |
1669 | } |
1670 | |
4e57c75e |
1671 | if (!BOPTools_AlgoTools2D::HasCurveOnSurface(anEdge, cpF2)) { |
7fd59977 |
1672 | Handle(Geom2d_Curve) aC2d = aBC.Curve().SecondCurve2d(); |
1673 | if(!aC3DETrim.IsNull()) { |
ab87e6fc |
1674 | Handle(Geom2d_Curve) aC2dNew; |
1675 | |
1676 | if(aC3DE->IsPeriodic()) { |
4e57c75e |
1677 | BOPTools_AlgoTools2D::AdjustPCurveOnFace(cpF2, f, l, aC2d, aC2dNew); |
ab87e6fc |
1678 | } |
1679 | else { |
4e57c75e |
1680 | BOPTools_AlgoTools2D::AdjustPCurveOnFace(cpF2, aC3DETrim, aC2d, aC2dNew); |
ab87e6fc |
1681 | } |
1682 | aC2d = aC2dNew; |
1683 | } |
1684 | aBB.UpdateEdge(anEdge, aC2d, cpF2, aTolEdge); |
7fd59977 |
1685 | } |
1686 | |
1687 | OrientSection (anEdge, F1, F2, O1, O2); |
1688 | if (Side == TopAbs_OUT) { |
1689 | O1 = TopAbs::Reverse(O1); |
1690 | O2 = TopAbs::Reverse(O2); |
1691 | } |
1692 | |
1693 | L1.Append (anEdge.Oriented(O1)); |
1694 | L2.Append (anEdge.Oriented(O2)); |
1695 | |
1696 | #ifdef DRAW |
1697 | if (AffichInter) { |
1698 | char* name = new char[100]; |
ab87e6fc |
1699 | sprintf(name,"EI_%d",NbNewEdges++); |
7fd59977 |
1700 | DBRep::Set(name,anEdge.Oriented(O1)); |
1701 | |
1702 | } |
1703 | #endif |
1704 | } |
1705 | } |
1706 | } |
1707 | |
1708 | Standard_Real aSameParTol = Precision::Confusion(); |
1709 | Standard_Boolean isEl1 = Standard_False, isEl2 = Standard_False; |
1710 | |
1711 | Handle(Geom_Surface) aSurf = BRep_Tool::Surface(cpF1); |
1712 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) |
1713 | aSurf = (*((Handle(Geom_RectangularTrimmedSurface)*)&aSurf))->BasisSurface(); |
1714 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_Plane))) |
1715 | addPCurve1 = Standard_False; |
1716 | else if (aSurf->IsKind(STANDARD_TYPE(Geom_ElementarySurface))) |
1717 | isEl1 = Standard_True; |
1718 | |
1719 | aSurf = BRep_Tool::Surface(cpF2); |
1720 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) |
1721 | aSurf = (*((Handle(Geom_RectangularTrimmedSurface)*)&aSurf))->BasisSurface(); |
1722 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_Plane))) |
1723 | addPCurve2 = Standard_False; |
1724 | else if (aSurf->IsKind(STANDARD_TYPE(Geom_ElementarySurface))) |
1725 | isEl2 = Standard_True; |
1726 | |
1727 | if (L1.Extent() > 1 && (!isEl1 || !isEl2)) { |
1728 | TopTools_SequenceOfShape eseq; |
1729 | TopTools_SequenceOfShape EdgesForConcat; |
1730 | |
1731 | if (!TrueEdges.IsEmpty()) |
1732 | { |
ab87e6fc |
1733 | for (i = TrueEdges.Extent(); i >= 1; i--) |
1734 | EdgesForConcat.Append( TrueEdges(i) ); |
1735 | TopoDS_Edge theEdge = |
4e57c75e |
1736 | AssembleEdge( pDS, cpF1, cpF2, addPCurve1, addPCurve2, EdgesForConcat ); |
ab87e6fc |
1737 | eseq.Append(theEdge); |
7fd59977 |
1738 | } |
1739 | else |
1740 | { |
ab87e6fc |
1741 | |
1742 | TopTools_SequenceOfShape wseq; |
1743 | TopTools_SequenceOfShape edges; |
1744 | TopTools_ListIteratorOfListOfShape itl(L1); |
1745 | for (; itl.More(); itl.Next()) |
1746 | edges.Append( itl.Value() ); |
1747 | while (!edges.IsEmpty()) |
1748 | { |
1749 | TopoDS_Edge anEdge = TopoDS::Edge( edges.First() ); |
1750 | TopoDS_Wire aWire = BRepLib_MakeWire( anEdge ), resWire; |
1751 | TColStd_SequenceOfInteger Candidates; |
1752 | for (k = 1; k <= wseq.Length(); k++) |
1753 | { |
1754 | resWire = TopoDS::Wire(wseq(k)); |
96a95605 |
1755 | if (AreConnex( resWire, aWire, pDS )) |
ab87e6fc |
1756 | { |
1757 | Candidates.Append( 1 ); |
1758 | break; |
1759 | } |
1760 | } |
1761 | if (Candidates.IsEmpty()) |
1762 | { |
1763 | wseq.Append( aWire ); |
1764 | edges.Remove(1); |
1765 | } |
1766 | else |
1767 | { |
1768 | for (j = 2; j <= edges.Length(); j++) |
1769 | { |
1770 | anEdge = TopoDS::Edge( edges(j) ); |
1771 | //if (anEdge.IsSame(edges(Candidates.First()))) |
1772 | //continue; |
1773 | aWire = BRepLib_MakeWire( anEdge ); |
96a95605 |
1774 | if (AreConnex( resWire, aWire, pDS )) |
ab87e6fc |
1775 | Candidates.Append( j ); |
1776 | } |
1777 | Standard_Integer minind = 1; |
1778 | if (Candidates.Length() > 1) |
1779 | { |
1780 | Standard_Real MinAngle = RealLast(); |
1781 | for (j = 1; j <= Candidates.Length(); j++) |
1782 | { |
1783 | anEdge = TopoDS::Edge( edges(Candidates(j)) ); |
1784 | Standard_Real anAngle = AngleWireEdge( resWire, anEdge ); |
1785 | if (anAngle < MinAngle) |
1786 | { |
1787 | MinAngle = anAngle; |
1788 | minind = j; |
1789 | } |
1790 | } |
1791 | } |
1792 | TopoDS_Wire NewWire = BRepLib_MakeWire( resWire, TopoDS::Edge(edges(Candidates(minind))) ); |
1793 | wseq(k) = NewWire; |
1794 | edges.Remove(Candidates(minind)); |
1795 | } |
1796 | } //end of while (!edges.IsEmpty()) |
1797 | |
1798 | for (i = 1; i <= wseq.Length(); i++) |
1799 | { |
1800 | TopoDS_Wire aWire = TopoDS::Wire(wseq(i)); |
1801 | TopTools_SequenceOfShape EdgesForConcat; |
1802 | if (aWire.Closed()) |
1803 | { |
1804 | TopoDS_Vertex StartVertex; |
1805 | TopoDS_Edge StartEdge; |
1806 | Standard_Boolean StartFound = Standard_False; |
1807 | TopTools_ListOfShape Elist; |
1808 | |
1809 | TopoDS_Iterator itw(aWire); |
1810 | for (; itw.More(); itw.Next()) |
1811 | { |
1812 | TopoDS_Edge anEdge = TopoDS::Edge(itw.Value()); |
1813 | if (StartFound) |
1814 | Elist.Append(anEdge); |
1815 | else |
1816 | { |
1817 | TopoDS_Vertex V1, V2; |
1818 | TopExp::Vertices( anEdge, V1, V2 ); |
96a95605 |
1819 | if (!IsAutonomVertex( V1, pDS )) |
ab87e6fc |
1820 | { |
1821 | StartVertex = V2; |
1822 | StartEdge = anEdge; |
1823 | StartFound = Standard_True; |
1824 | } |
96a95605 |
1825 | else if (!IsAutonomVertex( V2, pDS )) |
ab87e6fc |
1826 | { |
1827 | StartVertex = V1; |
1828 | StartEdge = anEdge; |
1829 | StartFound = Standard_True; |
1830 | } |
1831 | else |
1832 | Elist.Append(anEdge); |
1833 | } |
1834 | } //end of for (; itw.More(); itw.Next()) |
1835 | if (!StartFound) |
1836 | { |
1837 | itl.Initialize(Elist); |
1838 | StartEdge = TopoDS::Edge(itl.Value()); |
1839 | Elist.Remove(itl); |
1840 | TopoDS_Vertex V1, V2; |
1841 | TopExp::Vertices( StartEdge, V1, V2 ); |
1842 | StartVertex = V1; |
1843 | } |
1844 | EdgesForConcat.Append( StartEdge ); |
1845 | while (!Elist.IsEmpty()) |
1846 | { |
1847 | for (itl.Initialize(Elist); itl.More(); itl.Next()) |
1848 | { |
1849 | TopoDS_Edge anEdge = TopoDS::Edge(itl.Value()); |
1850 | TopoDS_Vertex V1, V2; |
1851 | TopExp::Vertices( anEdge, V1, V2 ); |
1852 | if (V1.IsSame(StartVertex)) |
1853 | { |
1854 | StartVertex = V2; |
1855 | EdgesForConcat.Append( anEdge ); |
1856 | Elist.Remove(itl); |
1857 | break; |
1858 | } |
1859 | else if (V2.IsSame(StartVertex)) |
1860 | { |
1861 | StartVertex = V1; |
1862 | EdgesForConcat.Append( anEdge ); |
1863 | Elist.Remove(itl); |
1864 | break; |
1865 | } |
1866 | } |
1867 | } //end of while (!Elist.IsEmpty()) |
1868 | } //end of if (aWire.Closed()) |
1869 | else |
1870 | { |
1871 | BRepTools_WireExplorer Wexp( aWire ); |
1872 | for (; Wexp.More(); Wexp.Next()) |
1873 | EdgesForConcat.Append( Wexp.Current() ); |
1874 | } |
1875 | |
1876 | TopoDS_Edge theEdge = |
4e57c75e |
1877 | AssembleEdge( pDS, cpF1, cpF2, addPCurve1, addPCurve2, EdgesForConcat ); |
ab87e6fc |
1878 | eseq.Append( theEdge ); |
1879 | } |
7fd59977 |
1880 | } //end of else (when TrueEdges is empty) |
1881 | |
1882 | if (eseq.Length() < L1.Extent()) |
1883 | { |
ab87e6fc |
1884 | L1.Clear(); |
1885 | L2.Clear(); |
1886 | for (i = 1; i <= eseq.Length(); i++) |
1887 | { |
1888 | TopoDS_Edge anEdge = TopoDS::Edge(eseq(i)); |
1889 | BRepLib::SameParameter(anEdge, aSameParTol, Standard_True); |
1890 | Standard_Real EdgeTol = BRep_Tool::Tolerance(anEdge); |
7fd59977 |
1891 | #ifdef DEB |
ab87e6fc |
1892 | cout<<"Tolerance of glued E = "<<EdgeTol<<endl; |
7fd59977 |
1893 | #endif |
ab87e6fc |
1894 | if (EdgeTol > 1.e-2) |
1895 | continue; |
7fd59977 |
1896 | |
ab87e6fc |
1897 | if (EdgeTol >= 1.e-4) |
1898 | { |
1899 | ReconstructPCurves(anEdge); |
1900 | BRepLib::SameParameter(anEdge, aSameParTol, Standard_True); |
7fd59977 |
1901 | #ifdef DEB |
ab87e6fc |
1902 | cout<<"After projection tol of E = "<<BRep_Tool::Tolerance(anEdge)<<endl; |
7fd59977 |
1903 | #endif |
ab87e6fc |
1904 | } |
1905 | |
1906 | OrientSection( anEdge, F1, F2, O1, O2 ); |
1907 | if (Side == TopAbs_OUT) |
1908 | { |
1909 | O1 = TopAbs::Reverse(O1); |
1910 | O2 = TopAbs::Reverse(O2); |
1911 | } |
1912 | |
1913 | L1.Append( anEdge.Oriented(O1) ); |
1914 | L2.Append( anEdge.Oriented(O2) ); |
1915 | } |
7fd59977 |
1916 | } |
1917 | } //end of if (L1.Extent() > 1) |
1918 | |
1919 | else |
1920 | { |
1921 | TopTools_ListIteratorOfListOfShape itl(L1); |
1922 | for (; itl.More(); itl.Next()) |
ab87e6fc |
1923 | { |
1924 | const TopoDS_Edge& anEdge = TopoDS::Edge( itl.Value() ); |
1925 | BRepLib::SameParameter(anEdge, aSameParTol, Standard_True); |
1926 | } |
7fd59977 |
1927 | } |
1928 | } |
1929 | |
1930 | //======================================================================= |
1931 | //function : TryProject |
1932 | //purpose : |
1933 | //======================================================================= |
1934 | |
1935 | Standard_Boolean BRepOffset_Tool::TryProject |
1936 | (const TopoDS_Face& F1, |
1937 | const TopoDS_Face& F2, |
1938 | const TopTools_ListOfShape& Edges, |
1939 | TopTools_ListOfShape& LInt1, |
1940 | TopTools_ListOfShape& LInt2, |
1941 | const TopAbs_State Side, |
1942 | const Standard_Real TolConf) |
1943 | { |
1944 | #ifdef DRAW |
1945 | if (AffichInter) { |
1946 | // POP pour NT |
1947 | char* name = new char[100]; |
1948 | sprintf(name,"FF_%d",NbFaces++); |
1949 | DBRep::Set(name,F1); |
1950 | sprintf(name,"FF_%d",NbFaces++); |
1951 | DBRep::Set(name,F2); |
1952 | } |
1953 | #endif |
1954 | |
1955 | // try to find if the edges <Edges> are laying on the face F1. |
1956 | LInt1.Clear(); LInt2.Clear(); |
1957 | TopTools_ListIteratorOfListOfShape it(Edges); |
1958 | Standard_Boolean isOk = Standard_True; |
1959 | Standard_Boolean Ok = Standard_True; |
1960 | TopAbs_Orientation O1,O2; |
1961 | Handle(Geom_Surface) Bouchon = BRep_Tool::Surface(F1); |
1962 | BRep_Builder B; |
1963 | |
1964 | for ( ; it.More(); it.Next()) { |
1965 | TopLoc_Location L; |
1966 | Standard_Real f,l; |
1967 | TopoDS_Edge CurE = TopoDS::Edge(it.Value()); |
1968 | Handle(Geom_Curve) C = BRep_Tool::Curve(CurE,L,f,l); |
1969 | if (C.IsNull()) { |
1970 | BRepLib::BuildCurve3d(CurE,BRep_Tool::Tolerance(CurE)); |
1971 | C = BRep_Tool::Curve(CurE,L,f,l); |
1972 | } |
1973 | C = new Geom_TrimmedCurve(C,f,l); |
1974 | if ( !L.IsIdentity()) C->Transform(L); |
1975 | Standard_Real TolReached; |
1976 | isOk = IsOnSurface(C,Bouchon,TolConf,TolReached); |
1977 | |
1978 | if ( isOk) { |
1979 | B.UpdateEdge(CurE,TolReached); |
1980 | BuildPCurves(CurE,F1); |
1981 | OrientSection (CurE,F1,F2,O1,O2); |
1982 | if (Side == TopAbs_OUT) { |
ab87e6fc |
1983 | O1 = TopAbs::Reverse(O1); |
1984 | O2 = TopAbs::Reverse(O2); |
7fd59977 |
1985 | } |
1986 | LInt1.Append (CurE.Oriented(O1)); |
1987 | LInt2.Append (CurE.Oriented(O2)); |
1988 | #ifdef DRAW |
1989 | if (AffichInter) { |
1990 | // POP pour NT |
ab87e6fc |
1991 | char* name = new char[100]; |
1992 | sprintf(name,"EI_%d",NbNewEdges++); |
1993 | DBRep::Set(name,CurE.Oriented(O1)); |
7fd59977 |
1994 | } |
1995 | #endif |
1996 | } |
1997 | else |
1998 | Ok = Standard_False; |
1999 | } |
2000 | return Ok; |
2001 | } |
2002 | |
2003 | |
2004 | //======================================================================= |
2005 | //function : InterOrExtent |
2006 | //purpose : |
2007 | //======================================================================= |
2008 | |
2009 | void BRepOffset_Tool::InterOrExtent(const TopoDS_Face& F1, |
ab87e6fc |
2010 | const TopoDS_Face& F2, |
2011 | TopTools_ListOfShape& L1, |
2012 | TopTools_ListOfShape& L2, |
2013 | const TopAbs_State Side) |
7fd59977 |
2014 | { |
2015 | #ifdef DRAW |
2016 | if (AffichInter) { |
2017 | // POP pour NT |
2018 | char* name = new char[100]; |
2019 | sprintf(name,"FF_%d",NbFaces++); |
2020 | DBRep::Set(name,F1); |
2021 | sprintf(name,"FF_%d",NbFaces++); |
2022 | DBRep::Set(name,F2); |
2023 | } |
2024 | #endif |
2025 | |
2026 | Handle (Geom_Curve) CI; |
2027 | TopoDS_Edge E; |
2028 | TopAbs_Orientation O1,O2; |
2029 | L1.Clear(); L2.Clear(); |
2030 | Handle (Geom_Surface) S1 = BRep_Tool::Surface(F1); |
2031 | Handle (Geom_Surface) S2 = BRep_Tool::Surface(F2); |
2032 | |
2033 | if (S1->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
2034 | Handle(Geom_RectangularTrimmedSurface) RTS ; |
2035 | RTS = *((Handle(Geom_RectangularTrimmedSurface)*) &S1); |
2036 | if (RTS->BasisSurface()->DynamicType() == STANDARD_TYPE(Geom_Plane)) { |
2037 | S1 = RTS->BasisSurface(); |
2038 | } |
2039 | } |
2040 | if (S2->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
2041 | Handle(Geom_RectangularTrimmedSurface) RTS ; |
2042 | RTS = *((Handle(Geom_RectangularTrimmedSurface)*) &S2); |
2043 | if (RTS->BasisSurface()->DynamicType() == STANDARD_TYPE(Geom_Plane)) { |
2044 | S2 = RTS->BasisSurface(); |
2045 | } |
2046 | } |
2047 | |
2048 | GeomInt_IntSS Inter (S1,S2, Precision::Confusion()); |
2049 | |
2050 | if (Inter.IsDone()) { |
2051 | for (Standard_Integer i = 1; i <= Inter.NbLines(); i++) { |
2052 | CI = Inter.Line(i); |
2053 | |
2054 | if (ToSmall(CI)) continue; |
2055 | TopoDS_Edge E = BRepLib_MakeEdge(CI); |
2056 | BuildPCurves (E,F1); |
2057 | BuildPCurves (E,F2); |
2058 | OrientSection (E,F1,F2,O1,O2); |
2059 | if (Side == TopAbs_OUT) { |
ab87e6fc |
2060 | O1 = TopAbs::Reverse(O1); |
2061 | O2 = TopAbs::Reverse(O2); |
7fd59977 |
2062 | } |
2063 | L1.Append (E.Oriented(O1)); |
2064 | L2.Append (E.Oriented(O2)); |
2065 | #ifdef DRAW |
2066 | if (AffichInter) { |
2067 | // POP pour NT |
2068 | char* name = new char[100]; |
ab87e6fc |
2069 | sprintf(name,"EI_%d",NbNewEdges++); |
2070 | DBRep::Set(name,E.Oriented(O1)); |
7fd59977 |
2071 | } |
2072 | #endif |
2073 | } |
2074 | } |
2075 | } |
2076 | |
2077 | //======================================================================= |
2078 | //function : ExtentEdge |
2079 | //purpose : |
2080 | //======================================================================= |
2081 | |
2082 | static void ExtentEdge(const TopoDS_Face& F, |
ab87e6fc |
2083 | const TopoDS_Face& EF, |
2084 | const TopoDS_Edge& E, |
2085 | TopoDS_Edge& NE) |
7fd59977 |
2086 | { |
2087 | BRepAdaptor_Curve CE(E); |
2088 | GeomAbs_CurveType Type = CE.GetType(); |
2089 | TopoDS_Shape aLocalEdge = E.EmptyCopied(); |
2090 | NE = TopoDS::Edge(aLocalEdge); |
2091 | // NE = TopoDS::Edge(E.EmptyCopied()); |
2092 | |
2093 | if (Type == GeomAbs_Line || Type == GeomAbs_Circle || Type == GeomAbs_Ellipse || |
2094 | Type == GeomAbs_Hyperbola || Type == GeomAbs_Parabola) { |
2095 | return; |
2096 | } |
2097 | // Extension en tangence jusqu'au bord de la surface. |
2098 | Standard_Real PMax = 1.e2; |
2099 | TopLoc_Location L; |
2100 | Handle(Geom_Surface) S = BRep_Tool::Surface(F,L); |
2101 | Standard_Real umin,umax,vmin,vmax; |
2102 | |
2103 | S->Bounds(umin,umax,vmin,vmax); |
2104 | umin = Max(umin,-PMax);vmin = Max(vmin,-PMax); |
2105 | umax = Min(umax, PMax);vmax = Min(vmax, PMax); |
2106 | |
2107 | |
2108 | Standard_Real f,l; |
2109 | Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E,F,f,l); |
2110 | |
2111 | //calcul point cible . ie point d'intersection du prolongement tangent et des bords. |
2112 | gp_Pnt2d P; |
2113 | gp_Vec2d Tang; |
2114 | C2d->D1(CE.FirstParameter(),P,Tang); |
2115 | Standard_Real tx,ty,tmin; |
2116 | tx = ty = Precision::Infinite(); |
2117 | if (Abs(Tang.X()) > Precision::Confusion()) |
2118 | tx = Min (Abs((umax - P.X())/Tang.X()), Abs((umin - P.X())/Tang.X())); |
2119 | if (Abs(Tang.Y()) > Precision::Confusion()) |
2120 | ty = Min (Abs((vmax - P.Y())/Tang.Y()), Abs((vmin - P.Y())/Tang.Y())); |
2121 | tmin = Min (tx,ty); |
2122 | Tang = tmin*Tang; |
2123 | gp_Pnt2d PF2d (P.X() - Tang.X(),P.Y() - Tang.Y()); |
2124 | |
2125 | C2d->D1(CE.LastParameter(),P,Tang); |
2126 | tx = ty = Precision::Infinite(); |
2127 | if (Abs(Tang.X()) > Precision::Confusion()) |
2128 | tx = Min (Abs((umax - P.X())/Tang.X()), Abs((umin - P.X())/Tang.X())); |
2129 | if (Abs(Tang.Y()) > Precision::Confusion()) |
2130 | ty = Min (Abs((vmax - P.Y())/Tang.Y()), Abs((vmin - P.Y())/Tang.Y())); |
2131 | tmin = Min (tx,ty); |
2132 | Tang = tmin*Tang; |
2133 | gp_Pnt2d PL2d (P.X() + Tang.X(),P.Y() + Tang.Y()); |
2134 | |
2135 | Handle(Geom_Curve) CC = GeomAPI::To3d(C2d,gp_Pln(gp::XOY())); |
2136 | gp_Pnt PF(PF2d.X(),PF2d.Y(),0.); |
2137 | gp_Pnt PL(PL2d.X(),PL2d.Y(),0.); |
2138 | |
2139 | Handle(Geom_BoundedCurve) ExtC = Handle(Geom_BoundedCurve)::DownCast(CC); |
2140 | if (ExtC.IsNull()) return; |
2141 | |
2142 | GeomLib::ExtendCurveToPoint(ExtC,PF,1,0); |
2143 | GeomLib::ExtendCurveToPoint(ExtC,PL,1,1); |
2144 | |
2145 | Handle(Geom2d_Curve) CNE2d = GeomAPI::To2d(ExtC,gp_Pln(gp::XOY())); |
2146 | |
2147 | //Construction de la nouvelle arrete; |
2148 | BRep_Builder B; |
2149 | B.MakeEdge(NE); |
2150 | // B.UpdateEdge (NE,CNE2d,F,BRep_Tool::Tolerance(E)); |
2151 | B.UpdateEdge (NE,CNE2d,EF,BRep_Tool::Tolerance(E)); |
2152 | B.Range (NE,CNE2d->FirstParameter(), CNE2d->LastParameter()); |
2153 | NE.Orientation(E.Orientation()); |
2154 | #ifdef DRAW |
2155 | if (AffichExtent) { |
2156 | char* name = new char[100]; |
2157 | sprintf (name,"F_%d",NbExtE); |
2158 | DBRep::Set(name,EF); |
2159 | sprintf (name,"OE_%d",NbExtE); |
2160 | DBRep::Set (name,E); |
2161 | sprintf (name,"ExtE_%d",NbExtE++); |
2162 | DBRep::Set(name,NE); |
2163 | } |
2164 | #endif |
2165 | } |
2166 | |
2167 | //======================================================================= |
2168 | //function : ProjectVertexOnEdge |
2169 | //purpose : |
2170 | //======================================================================= |
2171 | |
2172 | static Standard_Boolean ProjectVertexOnEdge(TopoDS_Vertex& V, |
ab87e6fc |
2173 | const TopoDS_Edge& E, |
2174 | Standard_Real TolConf) |
7fd59977 |
2175 | { |
2176 | #ifdef DRAW |
2177 | if (AffichExtent) { |
2178 | DBRep::Set("V",V); |
2179 | DBRep::Set("E",E); |
2180 | } |
2181 | #endif |
2182 | BRep_Builder B; |
2183 | Standard_Real f,l; |
7fd59977 |
2184 | Standard_Real U = 0.; |
7fd59977 |
2185 | TopLoc_Location L; |
2186 | Standard_Boolean found = Standard_False; |
2187 | |
2188 | gp_Pnt P = BRep_Tool::Pnt (V); |
2189 | BRepAdaptor_Curve C = BRepAdaptor_Curve(E); |
2190 | f = C.FirstParameter(); l = C.LastParameter(); |
2191 | |
2192 | if (V.Orientation() == TopAbs_FORWARD) { |
2193 | if (Abs(f) < Precision::Infinite()) { |
2194 | gp_Pnt PF = C.Value (f); |
2195 | if (PF.IsEqual(P,TolConf)) { |
ab87e6fc |
2196 | U = f; |
2197 | found = Standard_True; |
7fd59977 |
2198 | } |
2199 | } |
2200 | } |
2201 | if (V.Orientation() == TopAbs_REVERSED) { |
2202 | if (!found && Abs(l) < Precision::Infinite()) { |
2203 | gp_Pnt PL = C.Value (l); |
2204 | if (PL.IsEqual(P,TolConf)) { |
ab87e6fc |
2205 | U = l; |
2206 | found = Standard_True; |
7fd59977 |
2207 | } |
2208 | } |
2209 | } |
2210 | if (!found) { |
2211 | Extrema_ExtPC Proj(P,C); |
2212 | if (Proj.IsDone() && Proj.NbExt() > 0) { |
2213 | Standard_Real Dist2,Dist2Min = Proj.SquareDistance(1); |
2214 | U = Proj.Point(1).Parameter(); |
2215 | for (Standard_Integer i = 2; i <= Proj.NbExt(); i++) { |
ab87e6fc |
2216 | Dist2 = Proj.SquareDistance(i); |
2217 | if (Dist2 < Dist2Min) { |
2218 | Dist2Min = Dist2; |
2219 | U = Proj.Point(i).Parameter(); |
2220 | } |
7fd59977 |
2221 | } |
2222 | found = Standard_True; |
2223 | } |
2224 | } |
2225 | |
2226 | #ifdef DEB |
2227 | if (AffichExtent) { |
2228 | Standard_Real Dist = P.Distance(C.Value(U)); |
2229 | if (Dist > TolConf) { |
2230 | cout << " ProjectVertexOnEdge :distance vertex edge :"<<Dist<<endl; |
2231 | } |
2232 | if (U < f - Precision::Confusion() || |
ab87e6fc |
2233 | U > l + Precision::Confusion()) { |
7fd59977 |
2234 | cout << " ProjectVertexOnEdge : hors borne :"<<endl; |
2235 | cout << " f = "<<f<<" l ="<<l<< " U ="<<U<<endl; |
2236 | } |
2237 | } |
2238 | if (!found) { |
2239 | cout <<"BRepOffset_Tool::ProjectVertexOnEdge Parameter no found"<<endl; |
2240 | if (Abs(f) < Precision::Infinite() && |
ab87e6fc |
2241 | Abs(l) < Precision::Infinite()) { |
7fd59977 |
2242 | #ifdef DRAW |
2243 | DBRep::Set("E",E); |
2244 | #endif |
2245 | } |
2246 | } |
2247 | #endif |
2248 | if (found) { |
2249 | TopoDS_Shape aLocalShape = E.Oriented(TopAbs_FORWARD); |
2250 | TopoDS_Edge EE = TopoDS::Edge(aLocalShape); |
2251 | aLocalShape = V.Oriented(TopAbs_INTERNAL); |
2252 | // TopoDS_Edge EE = TopoDS::Edge(E.Oriented(TopAbs_FORWARD)); |
2253 | B.UpdateVertex(TopoDS::Vertex(aLocalShape), |
ab87e6fc |
2254 | U,EE,BRep_Tool::Tolerance(E)); |
7fd59977 |
2255 | |
2256 | } |
2257 | return found; |
2258 | } |
2259 | |
2260 | //======================================================================= |
ab87e6fc |
2261 | //function : Inter2d |
7fd59977 |
2262 | //purpose : |
2263 | //======================================================================= |
2264 | |
2265 | void BRepOffset_Tool::Inter2d (const TopoDS_Face& F, |
ab87e6fc |
2266 | const TopoDS_Edge& E1, |
2267 | const TopoDS_Edge& E2, |
2268 | TopTools_ListOfShape& LV, |
2269 | const Standard_Real TolConf) |
7fd59977 |
2270 | { |
2271 | #ifdef DRAW |
2272 | if (AffichExtent) { |
2273 | DBRep::Set("E1",E1); |
2274 | DBRep::Set("E2",E2); |
2275 | DBRep::Set("F",F); |
2276 | } |
2277 | #endif |
2278 | BRep_Builder B; |
2279 | Standard_Real fl1[2],fl2[2]; |
2280 | LV.Clear(); |
2281 | |
2282 | // Si l edge a ete etendu les pcurves ne sont pas forcement |
2283 | // a jour. |
2284 | BuildPCurves(E1,F); |
2285 | BuildPCurves(E2,F); |
2286 | |
2287 | |
2288 | // Construction des curves 3d si elles n existent pas |
2289 | // utile pour coder correctement les parametres des vertex |
2290 | // d intersection sur les edges. |
2291 | //TopLoc_Location L; |
2292 | //Standard_Real f,l; |
2293 | //Handle(Geom_Curve) C3d1 = BRep_Tool::Curve(E1,L,f,l); |
2294 | //if (C3d1.IsNull()) { |
2295 | // BRepLib::BuildCurve3d(E1,BRep_Tool::Tolerance(E1)); |
2296 | //} |
2297 | //Handle(Geom_Curve) C3d2 = BRep_Tool::Curve(E2,L,f,l); |
2298 | //if (C3d2.IsNull()) { |
2299 | // BRepLib::BuildCurve3d(E2,BRep_Tool::Tolerance(E2)); |
2300 | //} |
2301 | |
2302 | Standard_Integer NbPC1 = 1, NbPC2 = 1; |
2303 | if (BRep_Tool::IsClosed(E1,F)) NbPC1++; |
2304 | if (BRep_Tool::IsClosed(E2,F)) NbPC2++; |
2305 | |
2306 | Handle(Geom_Surface) S = BRep_Tool::Surface(F); |
2307 | Handle(Geom2d_Curve) C1, C2; |
2308 | Standard_Boolean YaSol = Standard_False; |
2309 | Standard_Integer itry = 0; |
2310 | |
2311 | while (!YaSol && itry < 2) { |
2312 | for ( Standard_Integer i = 1; i <= NbPC1 ; i++) { |
ab87e6fc |
2313 | TopoDS_Shape aLocalEdge = E1.Reversed(); |
7fd59977 |
2314 | if (i == 1) C1 = BRep_Tool::CurveOnSurface(E1,F,fl1[0],fl1[1]); |
2315 | else C1 = BRep_Tool::CurveOnSurface(TopoDS::Edge(aLocalEdge), |
ab87e6fc |
2316 | F,fl1[0],fl1[1]); |
7fd59977 |
2317 | // if (i == 1) C1 = BRep_Tool::CurveOnSurface(E1,F,fl1[0],fl1[1]); |
2318 | // else C1 = BRep_Tool::CurveOnSurface(TopoDS::Edge(E1.Reversed()), |
ab87e6fc |
2319 | // F,fl1[0],fl1[1]); |
7fd59977 |
2320 | for ( Standard_Integer j = 1; j <= NbPC2; j++ ) { |
ab87e6fc |
2321 | TopoDS_Shape aLocalEdge = E2.Reversed(); |
2322 | if (j == 1) C2 = BRep_Tool::CurveOnSurface(E2,F,fl2[0],fl2[1]); |
2323 | else C2 = BRep_Tool::CurveOnSurface(TopoDS::Edge(aLocalEdge), |
2324 | F,fl2[0],fl2[1]); |
2325 | // if (j == 1) C2 = BRep_Tool::CurveOnSurface(E2,F,fl2[0],fl2[1]); |
2326 | // else C2 = BRep_Tool::CurveOnSurface(TopoDS::Edge(E2.Reversed()), |
2327 | // F,fl2[0],fl2[1]); |
7fd59977 |
2328 | #ifdef DEB |
ab87e6fc |
2329 | if (C1.IsNull() || C2.IsNull()) { |
2330 | cout <<"Inter2d : Pas de pcurve"<<endl; |
7fd59977 |
2331 | #ifdef DRAW |
ab87e6fc |
2332 | DBRep::Set("E1",E1); |
2333 | DBRep::Set("E2",E2); |
2334 | DBRep::Set("F",F); |
7fd59977 |
2335 | #endif |
ab87e6fc |
2336 | return; |
2337 | } |
7fd59977 |
2338 | #endif |
ab87e6fc |
2339 | Standard_Real U1 = 0.,U2 = 0.; |
2340 | gp_Pnt2d P2d; |
2341 | if (itry == 1) { |
2342 | fl1[0] = C1->FirstParameter(); fl1[1] = C1->LastParameter(); |
2343 | fl2[0] = C2->FirstParameter(); fl2[1] = C2->LastParameter(); |
2344 | } |
2345 | Geom2dAdaptor_Curve AC1(C1,fl1[0],fl1[1]); |
2346 | Geom2dAdaptor_Curve AC2(C2,fl2[0],fl2[1]); |
2347 | |
2348 | if (itry == 0) { |
2349 | gp_Pnt2d P1[2],P2[2]; |
2350 | P1[0] = C1->Value(fl1[0]); P1[1] = C1->Value(fl1[1]); |
2351 | P2[0] = C2->Value(fl2[0]); P2[1] = C2->Value(fl2[1]); |
2352 | |
2353 | Standard_Integer i1 ; |
2354 | for ( i1 = 0; i1 < 2; i1++) { |
2355 | for (Standard_Integer i2 = 0; i2 < 2; i2++) { |
2356 | if (Abs(fl1[i1]) < Precision::Infinite() && |
2357 | Abs(fl2[i2]) < Precision::Infinite() ) { |
2358 | if (P1[i1].IsEqual(P2[i2],TolConf)) { |
2359 | YaSol = Standard_True; |
2360 | U1 = fl1[i1]; U2 = fl2[i2]; |
2361 | P2d = C1->Value(U1); |
2362 | } |
2363 | } |
2364 | } |
2365 | } |
2366 | if (!YaSol) |
2367 | for (i1 = 0; i1 < 2; i1++) |
2368 | { |
2369 | Extrema_ExtPC2d extr( P1[i1], AC2 ); |
2370 | if (extr.IsDone() && extr.NbExt() > 0) |
2371 | { |
2372 | Standard_Real Dist2, Dist2Min = extr.SquareDistance(1); |
2373 | Standard_Integer IndexMin = 1; |
2374 | for (Standard_Integer ind = 2; ind <= extr.NbExt(); ind++) |
2375 | { |
2376 | Dist2 = extr.SquareDistance(ind); |
2377 | if (Dist2 < Dist2Min) |
2378 | { |
2379 | Dist2Min = Dist2; |
2380 | IndexMin = ind; |
2381 | } |
2382 | } |
08cd2f6b |
2383 | if (Dist2Min <= Precision::SquareConfusion()) |
ab87e6fc |
2384 | { |
2385 | YaSol = Standard_True; |
2386 | P2d = P1[i1]; |
2387 | U1 = fl1[i1]; |
2388 | U2 = (extr.Point(IndexMin)).Parameter(); |
2389 | break; |
2390 | } |
2391 | } |
2392 | } |
2393 | if (!YaSol) |
2394 | for (Standard_Integer i2 = 0; i2 < 2; i2++) |
2395 | { |
2396 | Extrema_ExtPC2d extr( P2[i2], AC1 ); |
2397 | if (extr.IsDone() && extr.NbExt() > 0) |
2398 | { |
2399 | Standard_Real Dist2, Dist2Min = extr.SquareDistance(1); |
2400 | Standard_Integer IndexMin = 1; |
2401 | for (Standard_Integer ind = 2; ind <= extr.NbExt(); ind++) |
2402 | { |
2403 | Dist2 = extr.SquareDistance(ind); |
2404 | if (Dist2 < Dist2Min) |
2405 | { |
2406 | Dist2Min = Dist2; |
2407 | IndexMin = ind; |
2408 | } |
2409 | } |
08cd2f6b |
2410 | if (Dist2Min <= Precision::SquareConfusion()) |
ab87e6fc |
2411 | { |
2412 | YaSol = Standard_True; |
2413 | P2d = P2[i2]; |
2414 | U2 = fl2[i2]; |
2415 | U1 = (extr.Point(IndexMin)).Parameter(); |
2416 | break; |
2417 | } |
2418 | } |
2419 | } |
2420 | } |
2421 | |
2422 | if (!YaSol) { |
2423 | Geom2dInt_GInter Inter (AC1,AC2,TolConf,TolConf); |
2424 | |
2425 | if (!Inter.IsEmpty() && Inter.NbPoints() > 0) { |
2426 | YaSol = Standard_True; |
2427 | U1 = Inter.Point(1).ParamOnFirst(); |
2428 | U2 = Inter.Point(1).ParamOnSecond(); |
2429 | P2d = Inter.Point(1).Value(); |
2430 | } |
2431 | else if (!Inter.IsEmpty() && Inter.NbSegments() > 0) { |
2432 | YaSol = Standard_True; |
2433 | IntRes2d_IntersectionSegment Seg = Inter.Segment(1); |
2434 | IntRes2d_IntersectionPoint IntP1 = Seg.FirstPoint(); |
2435 | IntRes2d_IntersectionPoint IntP2 = Seg.LastPoint(); |
2436 | Standard_Real U1on1 = IntP1.ParamOnFirst(); |
2437 | Standard_Real U1on2 = IntP2.ParamOnFirst(); |
2438 | Standard_Real U2on1 = IntP1.ParamOnSecond(); |
2439 | Standard_Real U2on2 = IntP2.ParamOnSecond(); |
7fd59977 |
2440 | #ifdef DEB |
ab87e6fc |
2441 | cout << " BRepOffset_Tool::Inter2d SEGMENT d intersection" << endl; |
2442 | cout << " ===> Parametres sur Curve1 : "; |
2443 | cout << U1on1 << " " << U1on2 << endl; |
2444 | cout << " ===> Parametres sur Curve2 : "; |
2445 | cout << U2on1 << " " << U2on2 << endl; |
7fd59977 |
2446 | #endif |
ab87e6fc |
2447 | U1 = (U1on1 + U1on2)/2.; |
2448 | U2 = (U2on1 + U2on2)/2.; |
2449 | gp_Pnt2d P2d1 = C1->Value(U1); |
2450 | gp_Pnt2d P2d2 = C2->Value(U2); |
2451 | P2d.SetX( (P2d1.X() + P2d2.X()) / 2.); |
2452 | P2d.SetY( (P2d1.Y() + P2d2.Y()) / 2.); |
2453 | } |
2454 | } |
2455 | if (YaSol) { |
2456 | gp_Pnt P = S->Value(P2d.X(),P2d.Y()); |
2457 | TopoDS_Vertex V = BRepLib_MakeVertex(P); |
2458 | V.Orientation(TopAbs_INTERNAL); |
2459 | TopoDS_Shape aLocalEdge = E1.Oriented(TopAbs_FORWARD); |
2460 | B.UpdateVertex(V,U1,TopoDS::Edge(aLocalEdge),TolConf); |
2461 | aLocalEdge = E2.Oriented(TopAbs_FORWARD); |
2462 | B.UpdateVertex(V,U2,TopoDS::Edge(aLocalEdge),TolConf); |
2463 | // B.UpdateVertex(V,U1,TopoDS::Edge(E1.Oriented(TopAbs_FORWARD)),TolConf); |
2464 | // B.UpdateVertex(V,U2,TopoDS::Edge(E2.Oriented(TopAbs_FORWARD)),TolConf); |
2465 | LV.Append(V); |
2466 | } |
7fd59977 |
2467 | } |
2468 | } |
2469 | itry++; |
2470 | } |
2471 | |
2472 | if (LV.Extent() > 1) { |
2473 | //------------------------------------------------ |
2474 | // garde seulement les vertex les plus proches du |
2475 | //debut et de la fin. |
2476 | //------------------------------------------------ |
2477 | TopTools_ListIteratorOfListOfShape it(LV); |
2478 | TopoDS_Vertex VF,VL; |
2479 | Standard_Real UMin = Precision::Infinite(); |
2480 | Standard_Real UMax = -Precision::Infinite(); |
2481 | Standard_Real U; |
2482 | |
2483 | for ( ; it.More(); it.Next()) { |
2484 | TopoDS_Vertex CV = TopoDS::Vertex(it.Value()); |
2485 | TopoDS_Shape aLocalEdge = E1.Oriented(TopAbs_FORWARD); |
2486 | U = BRep_Tool::Parameter(CV,TopoDS::Edge(aLocalEdge)); |
2487 | // U = BRep_Tool::Parameter(CV,TopoDS::Edge(E1.Oriented(TopAbs_FORWARD))); |
2488 | if ( U < UMin) { |
ab87e6fc |
2489 | VF = CV; UMin = U; |
7fd59977 |
2490 | } |
2491 | if ( U > UMax) { |
ab87e6fc |
2492 | VL = CV; UMax = U; |
7fd59977 |
2493 | } |
2494 | } |
2495 | LV.Clear();LV.Append(VF); LV.Append(VL); |
2496 | } |
2497 | |
2498 | #ifdef DEB |
2499 | if (!YaSol) { |
2500 | cout <<"Inter2d : Pas de solution"<<endl; |
2501 | #ifdef DRAW |
2502 | DBRep::Set("E1",E1); |
2503 | DBRep::Set("E2",E2); |
2504 | DBRep::Set("F",F); |
2505 | #endif |
2506 | } |
2507 | #endif |
2508 | } |
2509 | |
2510 | //======================================================================= |
2511 | //function : SelectEdge |
2512 | //purpose : |
2513 | //======================================================================= |
2514 | |
35e08fe8 |
2515 | static void SelectEdge (const TopoDS_Face& /*F*/, |
2516 | const TopoDS_Face& /*EF*/, |
ab87e6fc |
2517 | const TopoDS_Edge& E, |
2518 | TopTools_ListOfShape& LInt) |
7fd59977 |
2519 | { |
2520 | //------------------------------------------------------------ |
2521 | // detrompeur sur les intersections sur les faces periodiques |
2522 | //------------------------------------------------------------ |
2523 | TopTools_ListIteratorOfListOfShape it(LInt); |
2524 | Standard_Real dU = 1.0e100; |
2525 | TopoDS_Edge GE; |
2526 | |
2527 | Standard_Real Fst, Lst, tmp; |
2528 | BRep_Tool::Range(E, Fst, Lst); |
2529 | BRepAdaptor_Curve Ad1(E); |
2530 | |
2531 | gp_Pnt PFirst = Ad1.Value( Fst ); |
2532 | gp_Pnt PLast = Ad1.Value( Lst ); |
2533 | |
2534 | //---------------------------------------------------------------------- |
2535 | // Selection de l edge qui couvre le plus le domaine de l edge initiale. |
2536 | //---------------------------------------------------------------------- |
2537 | for (; it.More(); it.Next()) { |
2538 | const TopoDS_Edge& EI = TopoDS::Edge(it.Value()); |
2539 | |
2540 | BRep_Tool::Range(EI, Fst, Lst); |
2541 | BRepAdaptor_Curve Ad2(EI); |
2542 | gp_Pnt P1 = Ad2.Value(Fst); |
2543 | gp_Pnt P2 = Ad2.Value(Lst); |
2544 | |
2545 | tmp = P1.Distance(PFirst) + P2.Distance(PLast); |
2546 | if( tmp <= dU ) { |
2547 | dU = tmp; |
2548 | GE = EI; |
2549 | } |
2550 | |
2551 | } |
2552 | LInt.Clear(); |
2553 | LInt.Append(GE); |
2554 | } |
2555 | |
2556 | |
2557 | //======================================================================= |
2558 | //function : Init |
2559 | //purpose : |
2560 | //======================================================================= |
2561 | |
2562 | static void MakeFace(const Handle(Geom_Surface)& S, |
ab87e6fc |
2563 | const Standard_Real Um, |
2564 | const Standard_Real UM, |
2565 | const Standard_Real Vm, |
2566 | const Standard_Real VM, |
2567 | const Standard_Boolean isVminDegen, |
2568 | const Standard_Boolean isVmaxDegen, |
2569 | TopoDS_Face& F) |
7fd59977 |
2570 | { |
2571 | Standard_Real UMin = Um; |
2572 | Standard_Real UMax = UM; |
2573 | Standard_Real VMin = Vm; |
2574 | Standard_Real VMax = VM; |
2575 | Standard_Real epsilon = Precision::Confusion(); |
2576 | |
2577 | Standard_Real umin,umax,vmin,vmax; |
2578 | S->Bounds(umin,umax,vmin,vmax); |
2579 | |
2580 | |
2581 | // compute infinite flags |
2582 | Standard_Boolean umininf = Precision::IsNegativeInfinite(UMin); |
2583 | Standard_Boolean umaxinf = Precision::IsPositiveInfinite(UMax); |
2584 | Standard_Boolean vmininf = Precision::IsNegativeInfinite(VMin); |
2585 | Standard_Boolean vmaxinf = Precision::IsPositiveInfinite(VMax); |
2586 | |
2587 | // closed flag |
2588 | Standard_Boolean IsSuclosed = S->IsUClosed(), IsSvclosed = S->IsVClosed(); |
2589 | if (S->DynamicType() == STANDARD_TYPE(Geom_OffsetSurface)) |
2590 | { |
2591 | Handle(Geom_Surface) BasisSurf = (*((Handle(Geom_OffsetSurface)*)&S))->BasisSurface(); |
2592 | IsSuclosed = BasisSurf->IsUClosed(); |
2593 | IsSvclosed = BasisSurf->IsVClosed(); |
2594 | } |
2595 | |
2596 | Standard_Boolean uclosed = |
2597 | IsSuclosed && |
2598 | Abs(UMin - umin) < epsilon && |
ab87e6fc |
2599 | Abs(UMax - umax) < epsilon; |
7fd59977 |
2600 | |
2601 | Standard_Boolean vclosed = |
2602 | IsSvclosed && |
2603 | Abs(VMin - vmin) < epsilon && |
ab87e6fc |
2604 | Abs(VMax - vmax) < epsilon; |
7fd59977 |
2605 | |
2606 | // degenerated flags (for cones) |
2607 | Standard_Boolean vmindegen = isVminDegen, vmaxdegen = isVmaxDegen; |
2608 | Handle(Geom_Surface) theSurf = S; |
2609 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) |
2610 | theSurf = (*(Handle_Geom_RectangularTrimmedSurface*)&S)->BasisSurface(); |
2611 | if (theSurf->DynamicType() == STANDARD_TYPE(Geom_ConicalSurface)) |
2612 | { |
2613 | Handle(Geom_ConicalSurface) ConicalS = *((Handle(Geom_ConicalSurface)*) &theSurf); |
2614 | gp_Cone theCone = ConicalS->Cone(); |
2615 | gp_Pnt theApex = theCone.Apex(); |
2616 | Standard_Real Uapex, Vapex; |
2617 | ElSLib::Parameters( theCone, theApex, Uapex, Vapex ); |
2618 | if (Abs(VMin - Vapex) <= Precision::Confusion()) |
ab87e6fc |
2619 | vmindegen = Standard_True; |
7fd59977 |
2620 | if (Abs(VMax - Vapex) <= Precision::Confusion()) |
ab87e6fc |
2621 | vmaxdegen = Standard_True; |
7fd59977 |
2622 | } |
2623 | |
2624 | // compute vertices |
2625 | BRep_Builder B; |
2626 | Standard_Real tol = Precision::Confusion(); |
2627 | |
2628 | TopoDS_Vertex V00,V10,V11,V01; |
2629 | |
2630 | if (!umininf) { |
2631 | if (!vmininf) B.MakeVertex(V00,S->Value(UMin,VMin),tol); |
2632 | if (!vmaxinf) B.MakeVertex(V01,S->Value(UMin,VMax),tol); |
2633 | } |
2634 | if (!umaxinf) { |
2635 | if (!vmininf) B.MakeVertex(V10,S->Value(UMax,VMin),tol); |
2636 | if (!vmaxinf) B.MakeVertex(V11,S->Value(UMax,VMax),tol); |
2637 | } |
2638 | |
2639 | if (uclosed) { |
2640 | V10 = V00; |
2641 | V11 = V01; |
2642 | } |
2643 | |
2644 | if (vclosed) { |
2645 | V01 = V00; |
2646 | V11 = V10; |
2647 | } |
2648 | |
2649 | if (vmindegen) |
2650 | V10 = V00; |
2651 | if (vmaxdegen) |
2652 | V11 = V01; |
2653 | |
2654 | // make the lines |
2655 | Handle(Geom2d_Line) Lumin,Lumax,Lvmin,Lvmax; |
2656 | if (!umininf) |
2657 | Lumin = new Geom2d_Line(gp_Pnt2d(UMin,0),gp_Dir2d(0,1)); |
2658 | if (!umaxinf) |
2659 | Lumax = new Geom2d_Line(gp_Pnt2d(UMax,0),gp_Dir2d(0,1)); |
2660 | if (!vmininf) |
2661 | Lvmin = new Geom2d_Line(gp_Pnt2d(0,VMin),gp_Dir2d(1,0)); |
2662 | if (!vmaxinf) |
2663 | Lvmax = new Geom2d_Line(gp_Pnt2d(0,VMax),gp_Dir2d(1,0)); |
2664 | |
2665 | Handle(Geom_Curve) Cumin,Cumax,Cvmin,Cvmax; |
2666 | Standard_Real TolApex = 1.e-5; |
2667 | //Standard_Boolean hasiso = ! S->IsKind(STANDARD_TYPE(Geom_OffsetSurface)); |
2668 | Standard_Boolean hasiso = S->IsKind(STANDARD_TYPE(Geom_ElementarySurface)); |
2669 | if (hasiso) { |
2670 | if (!umininf) |
2671 | Cumin = S->UIso(UMin); |
2672 | if (!umaxinf) |
2673 | Cumax = S->UIso(UMax); |
2674 | if (!vmininf) |
2675 | { |
ab87e6fc |
2676 | Cvmin = S->VIso(VMin); |
2677 | if (BRepOffset_Tool::Gabarit( Cvmin ) <= TolApex) |
2678 | vmindegen = Standard_True; |
7fd59977 |
2679 | } |
2680 | if (!vmaxinf) |
2681 | { |
ab87e6fc |
2682 | Cvmax = S->VIso(VMax); |
2683 | if (BRepOffset_Tool::Gabarit( Cvmax ) <= TolApex) |
2684 | vmaxdegen = Standard_True; |
7fd59977 |
2685 | } |
2686 | } |
2687 | |
2688 | // make the face |
2689 | B.MakeFace(F,S,tol); |
2690 | |
2691 | // make the edges |
2692 | TopoDS_Edge eumin,eumax,evmin,evmax; |
2693 | |
2694 | if (!umininf) { |
2695 | if (hasiso) |
2696 | B.MakeEdge(eumin,Cumin,tol); |
2697 | else |
2698 | B.MakeEdge(eumin); |
2699 | if (uclosed) |
2700 | B.UpdateEdge(eumin,Lumax,Lumin,F,tol); |
2701 | else |
2702 | B.UpdateEdge(eumin,Lumin,F,tol); |
2703 | if (!vmininf) { |
2704 | V00.Orientation(TopAbs_FORWARD); |
2705 | B.Add(eumin,V00); |
2706 | } |
2707 | if (!vmaxinf) { |
2708 | V01.Orientation(TopAbs_REVERSED); |
2709 | B.Add(eumin,V01); |
2710 | } |
2711 | B.Range(eumin,VMin,VMax); |
2712 | } |
2713 | |
2714 | if (!umaxinf) { |
2715 | if (uclosed) |
2716 | eumax = eumin; |
2717 | else { |
2718 | if (hasiso) |
ab87e6fc |
2719 | B.MakeEdge(eumax,Cumax,tol); |
7fd59977 |
2720 | else |
ab87e6fc |
2721 | B.MakeEdge(eumax); |
7fd59977 |
2722 | B.UpdateEdge(eumax,Lumax,F,tol); |
2723 | if (!vmininf) { |
ab87e6fc |
2724 | V10.Orientation(TopAbs_FORWARD); |
2725 | B.Add(eumax,V10); |
7fd59977 |
2726 | } |
2727 | if (!vmaxinf) { |
ab87e6fc |
2728 | V11.Orientation(TopAbs_REVERSED); |
2729 | B.Add(eumax,V11); |
7fd59977 |
2730 | } |
2731 | B.Range(eumax,VMin,VMax); |
2732 | } |
2733 | } |
2734 | |
2735 | if (!vmininf) { |
2736 | if (hasiso && !vmindegen) |
2737 | B.MakeEdge(evmin,Cvmin,tol); |
2738 | else |
2739 | B.MakeEdge(evmin); |
2740 | if (vclosed) |
2741 | B.UpdateEdge(evmin,Lvmin,Lvmax,F,tol); |
2742 | else |
2743 | B.UpdateEdge(evmin,Lvmin,F,tol); |
2744 | if (!umininf) { |
2745 | V00.Orientation(TopAbs_FORWARD); |
2746 | B.Add(evmin,V00); |
2747 | } |
2748 | if (!umaxinf) { |
2749 | V10.Orientation(TopAbs_REVERSED); |
2750 | B.Add(evmin,V10); |
2751 | } |
2752 | B.Range(evmin,UMin,UMax); |
2753 | if (vmindegen) |
2754 | B.Degenerated(evmin, Standard_True); |
2755 | } |
2756 | |
2757 | if (!vmaxinf) { |
2758 | if (vclosed) |
2759 | evmax = evmin; |
2760 | else { |
2761 | if (hasiso && !vmaxdegen) |
ab87e6fc |
2762 | B.MakeEdge(evmax,Cvmax,tol); |
7fd59977 |
2763 | else |
ab87e6fc |
2764 | B.MakeEdge(evmax); |
7fd59977 |
2765 | B.UpdateEdge(evmax,Lvmax,F,tol); |
2766 | if (!umininf) { |
ab87e6fc |
2767 | V01.Orientation(TopAbs_FORWARD); |
2768 | B.Add(evmax,V01); |
7fd59977 |
2769 | } |
2770 | if (!umaxinf) { |
ab87e6fc |
2771 | V11.Orientation(TopAbs_REVERSED); |
2772 | B.Add(evmax,V11); |
7fd59977 |
2773 | } |
2774 | B.Range(evmax,UMin,UMax); |
2775 | if (vmaxdegen) |
ab87e6fc |
2776 | B.Degenerated(evmax, Standard_True); |
7fd59977 |
2777 | } |
2778 | } |
2779 | |
2780 | // make the wires and add them to the face |
2781 | eumin.Orientation(TopAbs_REVERSED); |
2782 | evmax.Orientation(TopAbs_REVERSED); |
2783 | |
2784 | TopoDS_Wire W; |
2785 | |
2786 | if (!umininf && !umaxinf && vmininf && vmaxinf) { |
2787 | // two wires in u |
2788 | B.MakeWire(W); |
2789 | B.Add(W,eumin); |
2790 | B.Add(F,W); |
2791 | B.MakeWire(W); |
2792 | B.Add(W,eumax); |
2793 | B.Add(F,W); |
2794 | F.Closed(uclosed); |
2795 | } |
2796 | |
2797 | else if (umininf && umaxinf && !vmininf && !vmaxinf) { |
2798 | // two wires in v |
2799 | B.MakeWire(W); |
2800 | B.Add(W,evmin); |
2801 | B.Add(F,W); |
2802 | B.MakeWire(W); |
2803 | B.Add(W,evmax); |
2804 | B.Add(F,W); |
2805 | F.Closed(vclosed); |
2806 | } |
2807 | |
2808 | else if (!umininf || !umaxinf || !vmininf || !vmaxinf) { |
2809 | // one wire |
2810 | B.MakeWire(W); |
2811 | if (!umininf) B.Add(W,eumin); |
2812 | if (!vmininf) B.Add(W,evmin); |
2813 | if (!umaxinf) B.Add(W,eumax); |
2814 | if (!vmaxinf) B.Add(W,evmax); |
2815 | B.Add(F,W); |
2816 | W.Closed(!umininf && !umaxinf && !vmininf && !vmaxinf); |
2817 | F.Closed(uclosed && vclosed); |
2818 | } |
2819 | } |
2820 | |
2821 | //======================================================================= |
2822 | //function : EnLargeGeometry |
2823 | //purpose : |
2824 | //======================================================================= |
2825 | |
2826 | static Standard_Boolean EnlargeGeometry(Handle(Geom_Surface)& S, |
ab87e6fc |
2827 | Standard_Real& U1, |
2828 | Standard_Real& U2, |
2829 | Standard_Real& V1, |
2830 | Standard_Real& V2, |
2831 | Standard_Boolean& IsV1degen, |
2832 | Standard_Boolean& IsV2degen, |
2833 | const Standard_Real uf1, |
2834 | const Standard_Real uf2, |
2835 | const Standard_Real vf1, |
2836 | const Standard_Real vf2, |
2837 | const Standard_Boolean GlobalEnlargeU, |
2838 | const Standard_Boolean GlobalEnlargeVfirst, |
2839 | const Standard_Boolean GlobalEnlargeVlast) |
7fd59977 |
2840 | { |
2841 | const Standard_Real coeff = 4.; |
2842 | const Standard_Real TolApex = 1.e-5; |
2843 | |
2844 | Standard_Boolean SurfaceChange = Standard_False; |
2845 | if ( S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
2846 | Handle(Geom_Surface) BS = (*((Handle(Geom_RectangularTrimmedSurface)*)&S))->BasisSurface(); |
2847 | EnlargeGeometry(BS,U1,U2,V1,V2,IsV1degen,IsV2degen, |
ab87e6fc |
2848 | uf1,uf2,vf1,vf2,GlobalEnlargeU,GlobalEnlargeVfirst,GlobalEnlargeVlast); |
7fd59977 |
2849 | if (!GlobalEnlargeVfirst) |
2850 | V1 = vf1; |
2851 | if (!GlobalEnlargeVlast) |
2852 | V2 = vf2; |
2853 | if (!GlobalEnlargeVfirst || !GlobalEnlargeVlast) |
2854 | //(*((Handle(Geom_RectangularTrimmedSurface)*)&S))->SetTrim( U1, U2, V1, V2 ); |
2855 | S = new Geom_RectangularTrimmedSurface( BS, U1, U2, V1, V2 ); |
2856 | else |
2857 | S = BS; |
2858 | SurfaceChange = Standard_True; |
2859 | } |
2860 | else if (S->DynamicType() == STANDARD_TYPE(Geom_OffsetSurface)) { |
2861 | Handle(Geom_Surface) Surf = (*((Handle(Geom_OffsetSurface)*)&S))->BasisSurface(); |
2862 | SurfaceChange = EnlargeGeometry(Surf,U1,U2,V1,V2,IsV1degen,IsV2degen, |
ab87e6fc |
2863 | uf1,uf2,vf1,vf2,GlobalEnlargeU,GlobalEnlargeVfirst,GlobalEnlargeVlast); |
7fd59977 |
2864 | Handle(Geom_OffsetSurface)::DownCast(S)->SetBasisSurface(Surf); |
2865 | } |
2866 | else if (S->DynamicType() == STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion) || |
ab87e6fc |
2867 | S->DynamicType() == STANDARD_TYPE(Geom_SurfaceOfRevolution)) |
7fd59977 |
2868 | { |
2869 | Standard_Real du=0., dv=0.; |
2870 | Handle( Geom_Curve ) uiso, viso, uiso1, uiso2, viso1, viso2; |
2871 | Standard_Real u1, u2, v1, v2; |
2872 | Standard_Boolean enlargeU = GlobalEnlargeU, enlargeV = Standard_True; |
2873 | Standard_Boolean enlargeUfirst = enlargeU, enlargeUlast = enlargeU; |
2874 | Standard_Boolean enlargeVfirst = GlobalEnlargeVfirst, enlargeVlast = GlobalEnlargeVlast; |
2875 | S->Bounds( u1, u2, v1, v2 ); |
2876 | if (Precision::IsInfinite(u1) || Precision::IsInfinite(u2)) |
ab87e6fc |
2877 | { |
2878 | du = uf2-uf1; |
2879 | u1 = uf1-du; |
2880 | u2 = uf2+du; |
2881 | enlargeU = Standard_False; |
2882 | } |
7fd59977 |
2883 | else if (S->IsUClosed()) |
ab87e6fc |
2884 | enlargeU = Standard_False; |
7fd59977 |
2885 | else |
ab87e6fc |
2886 | { |
2887 | viso = S->VIso( vf1 ); |
2888 | GeomAdaptor_Curve gac( viso ); |
2889 | du = GCPnts_AbscissaPoint::Length( gac ) / coeff; |
2890 | uiso1 = S->UIso( uf1 ); |
2891 | uiso2 = S->UIso( uf2 ); |
2892 | if (BRepOffset_Tool::Gabarit( uiso1 ) <= TolApex) |
2893 | enlargeUfirst = Standard_False; |
2894 | if (BRepOffset_Tool::Gabarit( uiso2 ) <= TolApex) |
2895 | enlargeUlast = Standard_False; |
2896 | } |
7fd59977 |
2897 | if (Precision::IsInfinite(v1) || Precision::IsInfinite(v2)) |
ab87e6fc |
2898 | { |
2899 | dv = vf2-vf1; |
2900 | v1 = vf1-dv; |
2901 | v2 = vf2+dv; |
2902 | enlargeV = Standard_False; |
2903 | } |
7fd59977 |
2904 | else if (S->IsVClosed()) |
ab87e6fc |
2905 | enlargeV = Standard_False; |
7fd59977 |
2906 | else |
ab87e6fc |
2907 | { |
2908 | uiso = S->UIso( uf1 ); |
2909 | GeomAdaptor_Curve gac( uiso ); |
2910 | dv = GCPnts_AbscissaPoint::Length( gac ) / coeff; |
2911 | viso1 = S->VIso( vf1 ); |
2912 | viso2 = S->VIso( vf2 ); |
2913 | if (BRepOffset_Tool::Gabarit( viso1 ) <= TolApex) |
2914 | { |
2915 | enlargeVfirst = Standard_False; |
2916 | IsV1degen = Standard_True; |
2917 | } |
2918 | if (BRepOffset_Tool::Gabarit( viso2 ) <= TolApex) |
2919 | { |
2920 | enlargeVlast = Standard_False; |
2921 | IsV2degen = Standard_True; |
2922 | } |
2923 | } |
7fd59977 |
2924 | S = new Geom_RectangularTrimmedSurface( S, u1, u2, v1, v2 ); |
2925 | if (enlargeU) |
ab87e6fc |
2926 | { |
2927 | if (enlargeUfirst) |
2928 | GeomLib::ExtendSurfByLength( *((Handle(Geom_BoundedSurface)*)&S), du, 1, Standard_True, Standard_False ); |
2929 | if (enlargeUlast) |
2930 | GeomLib::ExtendSurfByLength( *((Handle(Geom_BoundedSurface)*)&S), du, 1, Standard_True, Standard_True ); |
2931 | } |
7fd59977 |
2932 | if (enlargeV) |
ab87e6fc |
2933 | { |
2934 | if (enlargeVfirst) |
2935 | GeomLib::ExtendSurfByLength( *((Handle(Geom_BoundedSurface)*)&S), dv, 1, Standard_False, Standard_False ); |
2936 | if (enlargeVlast) |
2937 | GeomLib::ExtendSurfByLength( *((Handle(Geom_BoundedSurface)*)&S), dv, 1, Standard_False, Standard_True ); |
2938 | } |
7fd59977 |
2939 | S->Bounds( U1, U2, V1, V2 ); |
2940 | SurfaceChange = Standard_True; |
2941 | } |
2942 | else if (S->DynamicType() == STANDARD_TYPE(Geom_BezierSurface) || |
ab87e6fc |
2943 | S->DynamicType() == STANDARD_TYPE(Geom_BSplineSurface)) |
7fd59977 |
2944 | { |
2945 | Standard_Boolean enlargeU = GlobalEnlargeU, enlargeV = Standard_True; |
2946 | Standard_Boolean enlargeUfirst = enlargeU, enlargeUlast = enlargeU; |
2947 | Standard_Boolean enlargeVfirst = GlobalEnlargeVfirst, enlargeVlast = GlobalEnlargeVlast; |
2948 | if (S->IsUClosed()) |
ab87e6fc |
2949 | enlargeU = Standard_False; |
7fd59977 |
2950 | if (S->IsVClosed()) |
ab87e6fc |
2951 | enlargeV = Standard_False; |
7fd59977 |
2952 | |
2953 | Standard_Real duf = uf2-uf1, dvf = vf2-vf1; |
2954 | Standard_Real u1, u2, v1, v2; |
2955 | S->Bounds( u1, u2, v1, v2 ); |
2956 | |
2957 | Standard_Real du=0., dv=0.; |
2958 | Handle( Geom_Curve ) uiso, viso, uiso1, uiso2, viso1, viso2; |
2959 | GeomAdaptor_Curve gac; |
2960 | if (enlargeU) |
ab87e6fc |
2961 | { |
2962 | viso = S->VIso( v1 ); |
2963 | gac.Load( viso ); |
2964 | du = GCPnts_AbscissaPoint::Length( gac ) / coeff; |
2965 | uiso1 = S->UIso( u1 ); |
2966 | uiso2 = S->UIso( u2 ); |
2967 | if (BRepOffset_Tool::Gabarit( uiso1 ) <= TolApex) |
2968 | enlargeUfirst = Standard_False; |
2969 | if (BRepOffset_Tool::Gabarit( uiso2 ) <= TolApex) |
2970 | enlargeUlast = Standard_False; |
2971 | } |
7fd59977 |
2972 | if (enlargeV) |
ab87e6fc |
2973 | { |
2974 | uiso = S->UIso( u1 ); |
2975 | gac.Load( uiso ); |
2976 | dv = GCPnts_AbscissaPoint::Length( gac ) / coeff; |
2977 | viso1 = S->VIso( v1 ); |
2978 | viso2 = S->VIso( v2 ); |
2979 | if (BRepOffset_Tool::Gabarit( viso1 ) <= TolApex) |
2980 | { |
2981 | enlargeVfirst = Standard_False; |
2982 | IsV1degen = Standard_True; |
2983 | } |
2984 | if (BRepOffset_Tool::Gabarit( viso2 ) <= TolApex) |
2985 | { |
2986 | enlargeVlast = Standard_False; |
2987 | IsV2degen = Standard_True; |
2988 | } |
2989 | } |
7fd59977 |
2990 | |
2991 | if (enlargeU) |
ab87e6fc |
2992 | { |
2993 | if (enlargeUfirst && uf1-u1 < duf) |
2994 | GeomLib::ExtendSurfByLength( *((Handle(Geom_BoundedSurface)*)&S), du, 1, Standard_True, Standard_False ); |
2995 | if (enlargeUlast && u2-uf2 < duf) |
2996 | GeomLib::ExtendSurfByLength( *((Handle(Geom_BoundedSurface)*)&S), du, 1, Standard_True, Standard_True ); |
2997 | } |
7fd59977 |
2998 | if (enlargeV) |
ab87e6fc |
2999 | { |
3000 | if (enlargeVfirst && vf1-v1 < dvf) |
3001 | GeomLib::ExtendSurfByLength( *((Handle(Geom_BoundedSurface)*)&S), dv, 1, Standard_False, Standard_False ); |
3002 | if (enlargeVlast && v2-vf2 < dvf) |
3003 | GeomLib::ExtendSurfByLength( *((Handle(Geom_BoundedSurface)*)&S), dv, 1, Standard_False, Standard_True ); |
3004 | } |
7fd59977 |
3005 | |
3006 | S->Bounds( U1, U2, V1, V2 ); |
3007 | SurfaceChange = Standard_True; |
3008 | } |
3009 | // else if (S->DynamicType() == STANDARD_TYPE(Geom_BezierSurface) || |
ab87e6fc |
3010 | // S->DynamicType() == STANDARD_TYPE(Geom_BSplineSurface)) { |
7fd59977 |
3011 | // S->Bounds(U1,U2,V1,V2); |
3012 | // } |
3013 | else { |
3014 | Standard_Real UU1,UU2,VV1,VV2; |
3015 | S->Bounds(UU1,UU2,VV1,VV2); |
3016 | // Pas d extension au dela des bornes de la surface. |
3017 | U1 = Max(UU1,U1); |
3018 | V1 = Max(VV1,V1); |
3019 | U2 = Min(UU2,U2); |
3020 | V2 = Min(VV2,V2); |
3021 | } |
3022 | return SurfaceChange; |
3023 | } |
3024 | |
3025 | //======================================================================= |
3026 | //function : UpDatePCurve |
3027 | //purpose : Mise a jour des pcurves de F sur la surface de de BF. |
3028 | // F and BF has to be FORWARD, |
3029 | //======================================================================= |
3030 | |
3031 | static void UpdatePCurves (const TopoDS_Face& F, |
ab87e6fc |
3032 | TopoDS_Face& BF) |
7fd59977 |
3033 | { |
3034 | Standard_Real f,l; |
3035 | Standard_Integer i; |
3036 | BRep_Builder B; |
3037 | TopTools_IndexedMapOfShape Emap; |
3038 | Handle(Geom2d_Curve) NullPCurve; |
3039 | |
3040 | TopExp::MapShapes( F, TopAbs_EDGE, Emap ); |
3041 | |
3042 | for (i = 1; i <= Emap.Extent(); i++) |
3043 | { |
3044 | TopoDS_Edge CE = TopoDS::Edge( Emap(i) ); |
3045 | CE.Orientation( TopAbs_FORWARD ); |
3046 | Handle(Geom2d_Curve) C2 = BRep_Tool::CurveOnSurface( CE, F, f, l ); |
3047 | if (!C2.IsNull()) |
ab87e6fc |
3048 | { |
3049 | if (BRep_Tool::IsClosed( CE, F )) |
3050 | { |
3051 | CE.Reverse(); |
3052 | Handle(Geom2d_Curve) C2R = BRep_Tool::CurveOnSurface( CE, F, f, l ); |
3053 | B.UpdateEdge( CE, NullPCurve, NullPCurve, F, BRep_Tool::Tolerance(CE) ); |
3054 | B.UpdateEdge( CE, C2, C2R, BF, BRep_Tool::Tolerance(CE) ); |
3055 | } |
3056 | else |
3057 | { |
3058 | B.UpdateEdge( CE, NullPCurve, F, BRep_Tool::Tolerance(CE) ); |
3059 | B.UpdateEdge( CE, C2, BF, BRep_Tool::Tolerance(CE) ); |
3060 | } |
3061 | |
3062 | B.Range(CE,f,l); |
3063 | } |
7fd59977 |
3064 | } |
3065 | } |
3066 | |
3067 | //======================================================================= |
3068 | //function :CompactUVBounds |
3069 | //purpose : |
3070 | //======================================================================= |
3071 | |
3072 | static void CompactUVBounds (const TopoDS_Face& F, |
ab87e6fc |
3073 | Standard_Real& UMin, |
3074 | Standard_Real& UMax, |
3075 | Standard_Real& VMin, |
3076 | Standard_Real& VMax) |
7fd59977 |
3077 | { |
3078 | // Calcul serre pour que les bornes ne couvrent pas plus d une periode |
3079 | Standard_Real U1,U2; |
3080 | Standard_Real N = 33; |
3081 | Bnd_Box2d B; |
3082 | |
ab87e6fc |
3083 | TopExp_Explorer exp; |
7fd59977 |
3084 | for (exp.Init(F, TopAbs_EDGE); exp.More(); exp.Next()) { |
3085 | const TopoDS_Edge& E = TopoDS::Edge(exp.Current()); |
3086 | BRepAdaptor_Curve2d C(E,F); |
3087 | BRep_Tool::Range(E,U1,U2); |
3088 | gp_Pnt2d P; |
3089 | Standard_Real U = U1; |
3090 | Standard_Real DU = (U2-U1)/(N-1); |
3091 | for (Standard_Integer j=1;j<N;j++) { |
3092 | C.D0(U,P); |
3093 | U+=DU; |
3094 | B.Add(P); |
3095 | } |
3096 | C.D0(U2,P); |
3097 | B.Add(P); |
3098 | } |
3099 | B.Get(UMin,VMin,UMax,VMax); |
3100 | } |
3101 | |
3102 | //======================================================================= |
3103 | //function : CheckBounds |
3104 | //purpose : |
3105 | //======================================================================= |
3106 | |
3107 | void BRepOffset_Tool::CheckBounds(const TopoDS_Face& F, |
ab87e6fc |
3108 | const BRepOffset_Analyse& Analyse, |
3109 | Standard_Boolean& enlargeU, |
3110 | Standard_Boolean& enlargeVfirst, |
3111 | Standard_Boolean& enlargeVlast) |
7fd59977 |
3112 | { |
3113 | enlargeU = Standard_True; |
3114 | enlargeVfirst = Standard_True; enlargeVlast = Standard_True; |
3115 | |
3116 | Standard_Integer Ubound = 0, Vbound = 0; |
3117 | Standard_Real Ufirst = RealLast(), Ulast = RealFirst(); |
3118 | Standard_Real Vfirst = RealLast(), Vlast = RealFirst(); |
3119 | |
3120 | Standard_Real UF1,UF2,VF1,VF2; |
3121 | CompactUVBounds(F,UF1,UF2,VF1,VF2); |
3122 | |
3123 | Handle(Geom_Surface) theSurf = BRep_Tool::Surface(F); |
3124 | if (theSurf->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) |
3125 | theSurf = (*((Handle(Geom_RectangularTrimmedSurface)*)&theSurf))->BasisSurface(); |
3126 | |
3127 | if (theSurf->DynamicType() == STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion) || |
3128 | theSurf->DynamicType() == STANDARD_TYPE(Geom_SurfaceOfRevolution) || |
3129 | theSurf->DynamicType() == STANDARD_TYPE(Geom_BezierSurface) || |
3130 | theSurf->DynamicType() == STANDARD_TYPE(Geom_BSplineSurface)) |
3131 | { |
3132 | TopExp_Explorer Explo(F, TopAbs_EDGE); |
3133 | for (; Explo.More(); Explo.Next()) |
ab87e6fc |
3134 | { |
3135 | const TopoDS_Edge& anEdge = TopoDS::Edge(Explo.Current()); |
3136 | const BRepOffset_ListOfInterval& L = Analyse.Type(anEdge); |
3137 | if (!L.IsEmpty() || BRep_Tool::Degenerated(anEdge)) |
3138 | { |
3139 | BRepOffset_Type OT = L.First().Type(); |
3140 | if (OT == BRepOffset_Tangent || BRep_Tool::Degenerated(anEdge)) |
3141 | { |
3142 | Standard_Real fpar, lpar; |
3143 | Handle(Geom2d_Curve) aCurve = BRep_Tool::CurveOnSurface(anEdge, F, fpar, lpar); |
3144 | if (aCurve->DynamicType() == STANDARD_TYPE(Geom2d_TrimmedCurve)) |
3145 | aCurve = (*((Handle(Geom2d_TrimmedCurve)*)&aCurve))->BasisCurve(); |
3146 | |
3147 | Handle(Geom2d_Line) theLine; |
3148 | if (aCurve->DynamicType() == STANDARD_TYPE(Geom2d_Line)) |
3149 | theLine = *((Handle(Geom2d_Line)*)&aCurve); |
3150 | else if (aCurve->DynamicType() == STANDARD_TYPE(Geom2d_BezierCurve) || |
3151 | aCurve->DynamicType() == STANDARD_TYPE(Geom2d_BSplineCurve)) |
3152 | { |
3153 | Standard_Real newFpar, newLpar, deviation; |
3154 | theLine = ShapeCustom_Curve2d::ConvertToLine2d(aCurve, fpar, lpar, Precision::Confusion(), |
3155 | newFpar, newLpar, deviation); |
3156 | } |
3157 | |
3158 | if (!theLine.IsNull()) |
3159 | { |
3160 | gp_Dir2d theDir = theLine->Direction(); |
3161 | if (theDir.IsParallel( gp::DX2d(), Precision::Angular() )) |
3162 | { |
3163 | Vbound++; |
3164 | if (BRep_Tool::Degenerated(anEdge)) |
3165 | { |
3166 | if (Abs(theLine->Location().Y() - VF1) <= Precision::Confusion()) |
3167 | enlargeVfirst = Standard_False; |
3168 | else //theLine->Location().Y() is near VF2 |
3169 | enlargeVlast = Standard_False; |
3170 | } |
3171 | else |
3172 | { |
3173 | if (theLine->Location().Y() < Vfirst) |
3174 | Vfirst = theLine->Location().Y(); |
3175 | if (theLine->Location().Y() > Vlast) |
3176 | Vlast = theLine->Location().Y(); |
3177 | } |
3178 | } |
3179 | else if (theDir.IsParallel( gp::DY2d(), Precision::Angular() )) |
3180 | { |
3181 | Ubound++; |
3182 | if (theLine->Location().X() < Ufirst) |
3183 | Ufirst = theLine->Location().X(); |
3184 | if (theLine->Location().X() > Ulast) |
3185 | Ulast = theLine->Location().X(); |
3186 | } |
3187 | } |
3188 | } |
3189 | } |
3190 | } |
7fd59977 |
3191 | } |
3192 | |
3193 | if (Ubound >= 2 || Vbound >= 2) |
3194 | { |
3195 | if (Ubound >= 2 && |
ab87e6fc |
3196 | Abs(UF1-Ufirst) <= Precision::Confusion() && |
3197 | Abs(UF2-Ulast) <= Precision::Confusion()) |
3198 | enlargeU = Standard_False; |
7fd59977 |
3199 | if (Vbound >= 2 && |
ab87e6fc |
3200 | Abs(VF1-Vfirst) <= Precision::Confusion() && |
3201 | Abs(VF2-Vlast) <= Precision::Confusion()) |
3202 | { |
3203 | enlargeVfirst = Standard_False; |
3204 | enlargeVlast = Standard_False; |
3205 | } |
7fd59977 |
3206 | } |
3207 | } |
3208 | |
3209 | //======================================================================= |
3210 | //function : EnLargeFace |
3211 | //purpose : |
3212 | //======================================================================= |
3213 | |
3214 | Standard_Boolean BRepOffset_Tool::EnLargeFace |
3215 | (const TopoDS_Face& F, |
3216 | TopoDS_Face& BF, |
3217 | const Standard_Boolean CanExtentSurface, |
3218 | const Standard_Boolean UpdatePCurve, |
3219 | const Standard_Boolean enlargeU, |
3220 | const Standard_Boolean enlargeVfirst, |
3221 | const Standard_Boolean enlargeVlast) |
3222 | { |
3223 | //--------------------------- |
3224 | // extension de la geometrie. |
3225 | //--------------------------- |
3226 | TopLoc_Location L; |
3227 | Handle (Geom_Surface) S = BRep_Tool::Surface(F,L); |
3228 | Standard_Real UU1,VV1,UU2,VV2; |
3229 | Standard_Boolean isVV1degen = Standard_False, isVV2degen = Standard_False; |
3230 | Standard_Real US1,VS1,US2,VS2; |
3231 | Standard_Real UF1,VF1,UF2,VF2; |
3232 | Standard_Real infini = 1.e8; |
3233 | Standard_Boolean SurfaceChange = Standard_False; |
3234 | |
3235 | if (S->IsUPeriodic() || S->IsVPeriodic()) { |
3236 | // Calcul serre pour que les bornes ne couvre pas plus d une periode |
ab87e6fc |
3237 | CompactUVBounds(F,UF1,UF2,VF1,VF2); |
7fd59977 |
3238 | } |
3239 | else { |
3240 | BRepTools::UVBounds(F,UF1,UF2,VF1,VF2); |
3241 | } |
3242 | |
3243 | S->Bounds (US1,US2,VS1,VS2); |
3244 | UU1 = VV1 = - infini; |
3245 | UU2 = VV2 = infini; |
3246 | |
3247 | if (CanExtentSurface) { |
3248 | SurfaceChange = EnlargeGeometry( S, UU1, UU2, VV1, VV2, isVV1degen, isVV2degen, UF1, UF2, VF1, VF2, |
ab87e6fc |
3249 | enlargeU, enlargeVfirst, enlargeVlast ); |
7fd59977 |
3250 | } |
3251 | else { |
3252 | UU1 = Max(US1,UU1); UU2 = Min(UU2,US2); |
3253 | VV1 = Max(VS1,VV1); VV2 = Min(VS2,VV2); |
3254 | } |
3255 | |
3256 | if (S->IsUPeriodic()) { |
3257 | Standard_Real Period = S->UPeriod(); |
3258 | Standard_Real Delta = Period - (UF2 - UF1); |
3259 | Standard_Real alpha = 0.1; |
3260 | UU1 = UF1 - alpha*Delta; UU2 = UF2 + alpha*Delta; |
3261 | if ((UU2 - UU1) > Period) { |
3262 | UU2 = UU1 + Period; |
3263 | } |
3264 | } |
3265 | if (S->IsVPeriodic()) { |
3266 | Standard_Real Period = S->VPeriod(); |
3267 | Standard_Real Delta = Period - (VF2 - VF1); |
3268 | Standard_Real alpha = 0.1; |
3269 | VV1 = VF1 - alpha*Delta; VV2 = VF2 + alpha*Delta; |
3270 | if ((VV2 - VV1) > Period) { |
3271 | VV2 = VV1 + Period; |
3272 | } |
3273 | } |
3274 | |
3275 | //Special treatment for conical surfaces |
3276 | Handle(Geom_Surface) theSurf = S; |
3277 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) |
3278 | theSurf = (*(Handle_Geom_RectangularTrimmedSurface*)&S)->BasisSurface(); |
3279 | if (theSurf->DynamicType() == STANDARD_TYPE(Geom_ConicalSurface)) |
3280 | { |
3281 | Handle(Geom_ConicalSurface) ConicalS = *((Handle(Geom_ConicalSurface)*) &theSurf); |
3282 | gp_Cone theCone = ConicalS->Cone(); |
3283 | gp_Pnt theApex = theCone.Apex(); |
3284 | Standard_Real Uapex, Vapex; |
3285 | ElSLib::Parameters( theCone, theApex, Uapex, Vapex ); |
3286 | if (VV1 < Vapex && Vapex < VV2) |
ab87e6fc |
3287 | { |
3288 | //consider that VF1 and VF2 are on the same side from apex |
3289 | Standard_Real TolApex = 1.e-5; |
3290 | if (Vapex - VF1 >= TolApex || |
3291 | Vapex - VF2 >= TolApex) //if (VF1 < Vapex || VF2 < Vapex) |
3292 | VV2 = Vapex; |
3293 | else |
3294 | VV1 = Vapex; |
3295 | } |
7fd59977 |
3296 | } |
3297 | |
3298 | if (!enlargeU) |
3299 | { |
3300 | UU1 = UF1; UU2 = UF2; |
3301 | } |
3302 | if (!enlargeVfirst) |
3303 | VV1 = VF1; |
3304 | if (!enlargeVlast) |
3305 | VV2 = VF2; |
3306 | |
3307 | MakeFace(S,UU1,UU2,VV1,VV2,isVV1degen,isVV2degen,BF); |
3308 | BF.Location(L); |
3309 | /* |
3310 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
3311 | BRep_Builder B; |
3312 | //---------------------------------------------------------------- |
3313 | // utile pour les bouchons on ne doit pas changer leur geometrie. |
3314 | // (Ce que fait BRepLib_MakeFace si S est restreinte). |
3315 | // On remet S et on update les pcurves. |
3316 | //---------------------------------------------------------------- |
3317 | TopExp_Explorer exp; |
3318 | exp.Init(BF,TopAbs_EDGE); |
3319 | Standard_Real f=0.,l=0.; |
3320 | for (; exp.More(); exp.Next()) { |
3321 | TopoDS_Edge CE = TopoDS::Edge(exp.Current()); |
3322 | Handle(Geom2d_Curve) C2 = BRep_Tool::CurveOnSurface(CE,BF,f,l); |
3323 | B.UpdateEdge (CE,C2,S,L,BRep_Tool::Tolerance(CE)); |
3324 | } |
3325 | B.UpdateFace(BF,S,L,BRep_Tool::Tolerance(F)); |
3326 | } |
3327 | */ |
3328 | if (SurfaceChange && UpdatePCurve) { |
3329 | TopoDS_Shape aLocalFace = F.Oriented(TopAbs_FORWARD); |
3330 | UpdatePCurves(TopoDS::Face(aLocalFace),BF); |
3331 | //UpdatePCurves(TopoDS::Face(F.Oriented(TopAbs_FORWARD)),BF); |
3332 | BRep_Builder BB; |
3333 | BB.UpdateFace( F, S, L, BRep_Tool::Tolerance(F) ); |
3334 | } |
3335 | |
3336 | BF.Orientation(F.Orientation()); |
3337 | return SurfaceChange; |
3338 | } |
3339 | |
3340 | //======================================================================= |
3341 | //function : TryParameter |
3342 | //purpose : |
3343 | //======================================================================= |
3344 | |
3345 | static Standard_Boolean TryParameter (const TopoDS_Edge& OE, |
ab87e6fc |
3346 | TopoDS_Vertex& V, |
3347 | const TopoDS_Edge& NE, |
3348 | Standard_Real TolConf) |
7fd59977 |
3349 | { |
3350 | BRepAdaptor_Curve OC(OE); |
3351 | BRepAdaptor_Curve NC(NE); |
3352 | Standard_Real Of = OC.FirstParameter(); Standard_Real Ol = OC.LastParameter(); |
3353 | Standard_Real Nf = NC.FirstParameter(); Standard_Real Nl = NC.LastParameter(); |
7fd59977 |
3354 | Standard_Real U = 0.; |
7fd59977 |
3355 | gp_Pnt P = BRep_Tool::Pnt(V); |
3356 | Standard_Boolean OK = Standard_False; |
3357 | |
3358 | if (P.Distance(OC.Value(Of)) < TolConf) { |
3359 | if (Of > Nf && Of < Nl && P.Distance(NC.Value(Of)) < TolConf) { |
3360 | OK = Standard_True; |
3361 | U = Of; |
3362 | } |
3363 | } |
3364 | if (P.Distance(OC.Value(Ol)) < TolConf) { |
3365 | if (Ol > Nf && Ol < Nl && P.Distance(NC.Value(Ol)) < TolConf) { |
3366 | OK = Standard_True; |
3367 | U = Ol; |
3368 | } |
3369 | } |
3370 | if (OK) { |
3371 | BRep_Builder B; |
3372 | TopoDS_Shape aLocalShape = NE.Oriented(TopAbs_FORWARD); |
3373 | TopoDS_Edge EE = TopoDS::Edge(aLocalShape); |
3374 | // TopoDS_Edge EE = TopoDS::Edge(NE.Oriented(TopAbs_FORWARD)); |
3375 | aLocalShape = V.Oriented(TopAbs_INTERNAL); |
3376 | B.UpdateVertex(TopoDS::Vertex(aLocalShape), |
ab87e6fc |
3377 | U,NE,BRep_Tool::Tolerance(NE)); |
7fd59977 |
3378 | // B.UpdateVertex(TopoDS::Vertex(V.Oriented(TopAbs_INTERNAL)), |
ab87e6fc |
3379 | // U,NE,BRep_Tool::Tolerance(NE)); |
7fd59977 |
3380 | } |
3381 | return OK; |
3382 | } |
3383 | |
3384 | //======================================================================= |
3385 | //function : |
3386 | //purpose : |
3387 | //======================================================================= |
3388 | |
3389 | void BRepOffset_Tool::MapVertexEdges (const TopoDS_Shape& S, |
ab87e6fc |
3390 | TopTools_DataMapOfShapeListOfShape& MEV) |
7fd59977 |
3391 | { |
3392 | TopExp_Explorer exp; |
3393 | exp.Init(S.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
3394 | TopTools_MapOfShape DejaVu; |
3395 | for ( ; exp.More(); exp.Next()) { |
3396 | const TopoDS_Edge& E = TopoDS::Edge(exp.Current()); |
3397 | if (DejaVu.Add(E)) { |
3398 | TopoDS_Vertex V1,V2; |
3399 | TopExp::Vertices (E,V1,V2); |
3400 | if (!MEV.IsBound(V1)) { |
ab87e6fc |
3401 | TopTools_ListOfShape empty; |
3402 | MEV.Bind(V1,empty); |
7fd59977 |
3403 | } |
3404 | MEV(V1).Append(E); |
3405 | if (!V1.IsSame(V2)) { |
ab87e6fc |
3406 | if (!MEV.IsBound(V2)) { |
3407 | TopTools_ListOfShape empty; |
3408 | MEV.Bind(V2,empty); |
3409 | } |
3410 | MEV(V2).Append(E); |
7fd59977 |
3411 | } |
3412 | } |
3413 | } |
3414 | } |
3415 | |
3416 | //======================================================================= |
3417 | //function : |
3418 | //purpose : |
3419 | //======================================================================= |
3420 | |
3421 | void BRepOffset_Tool::BuildNeighbour (const TopoDS_Wire& W, |
ab87e6fc |
3422 | const TopoDS_Face& F, |
3423 | TopTools_DataMapOfShapeShape& NOnV1, |
3424 | TopTools_DataMapOfShapeShape& NOnV2) |
7fd59977 |
3425 | { |
3426 | TopoDS_Vertex V1,V2,VP1,VP2,FV1,FV2; |
3427 | TopoDS_Edge CurE,FirstE,PrecE; |
3428 | BRepTools_WireExplorer wexp; |
3429 | |
3430 | TopoDS_Shape aLocalFace = F.Oriented(TopAbs_FORWARD); |
3431 | TopoDS_Shape aLocalWire = W.Oriented(TopAbs_FORWARD); |
3432 | wexp.Init(TopoDS::Wire(aLocalWire),TopoDS::Face(aLocalFace)); |
3433 | // wexp.Init(TopoDS::Wire(W.Oriented(TopAbs_FORWARD)), |
ab87e6fc |
3434 | // TopoDS::Face(F.Oriented(TopAbs_FORWARD))); |
7fd59977 |
3435 | CurE = FirstE = PrecE = wexp.Current(); |
3436 | TopExp::Vertices(CurE,V1,V2); |
3437 | FV1 = VP1 = V1; FV2 = VP2 = V2; |
3438 | wexp.Next(); |
3439 | while (wexp.More()) { |
3440 | CurE = wexp.Current(); |
3441 | TopExp::Vertices(CurE,V1,V2); |
3442 | if (V1.IsSame(VP1)) { NOnV1.Bind(PrecE,CurE); NOnV1.Bind(CurE,PrecE);} |
3443 | if (V1.IsSame(VP2)) { NOnV2.Bind(PrecE,CurE); NOnV1.Bind(CurE,PrecE);} |
3444 | if (V2.IsSame(VP1)) { NOnV1.Bind(PrecE,CurE); NOnV2.Bind(CurE,PrecE);} |
3445 | if (V2.IsSame(VP2)) { NOnV2.Bind(PrecE,CurE); NOnV2.Bind(CurE,PrecE);} |
3446 | PrecE = CurE; |
3447 | VP1 = V1; VP2 = V2; |
3448 | wexp.Next(); |
3449 | } |
3450 | if (V1.IsSame(FV1)) { NOnV1.Bind(FirstE,CurE); NOnV1.Bind(CurE,FirstE);} |
3451 | if (V1.IsSame(FV2)) { NOnV2.Bind(FirstE,CurE); NOnV1.Bind(CurE,FirstE);} |
3452 | if (V2.IsSame(FV1)) { NOnV1.Bind(FirstE,CurE); NOnV2.Bind(CurE,FirstE);} |
3453 | if (V2.IsSame(FV2)) { NOnV2.Bind(FirstE,CurE); NOnV2.Bind(CurE,FirstE);} |
3454 | } |
3455 | |
3456 | //======================================================================= |
3457 | //function : ExtentFace |
3458 | //purpose : |
3459 | //======================================================================= |
3460 | |
3461 | void BRepOffset_Tool::ExtentFace (const TopoDS_Face& F, |
ab87e6fc |
3462 | TopTools_DataMapOfShapeShape& ConstShapes, |
3463 | TopTools_DataMapOfShapeShape& ToBuild, |
3464 | const TopAbs_State Side, |
3465 | const Standard_Real TolConf, |
3466 | TopoDS_Face& NF) |
7fd59977 |
3467 | { |
3468 | #ifdef DRAW |
3469 | if (AffichInter) { |
3470 | // POP pour NT |
3471 | char* name = new char[100]; |
3472 | sprintf(name,"FTE_%d",NbFTE++); |
3473 | DBRep::Set(name,F); |
3474 | } |
3475 | #endif |
3476 | |
3477 | TopExp_Explorer exp,exp2; |
3478 | TopTools_DataMapOfShapeShape Build; |
3479 | TopTools_DataMapOfShapeShape Extent; |
3480 | TopoDS_Edge FirstE,PrecE,CurE,NE; |
3481 | BRep_Builder B; |
3482 | TopoDS_Face EF; |
3483 | |
3484 | // Construction de la boite englobante de la face a etendre et des bouchons pour |
3485 | // limiter les extensions. |
3486 | //Bnd_Box ContextBox; |
3487 | //BRepBndLib::Add(F,B); |
3488 | //TopTools_DataMapIteratorOfDataMapOfShape itTB(ToBuild); |
3489 | //for (; itTB.More(); itTB.Next()) { |
3490 | //BRepBndLib::Add(TopBuild.Value(), ContextBox); |
3491 | //} |
3492 | |
3493 | |
3494 | Standard_Boolean SurfaceChange; |
3495 | SurfaceChange = EnLargeFace (F,EF,Standard_True); |
3496 | |
3497 | TopoDS_Shape aLocalShape = EF.EmptyCopied(); |
3498 | NF = TopoDS::Face(aLocalShape); |
3499 | // NF = TopoDS::Face(EF.EmptyCopied()); |
3500 | NF.Orientation(TopAbs_FORWARD); |
3501 | |
3502 | if (SurfaceChange) { |
3503 | //------------------------------------------------ |
3504 | // Mise a jour des pcurves sur la surface de base. |
3505 | //------------------------------------------------ |
3506 | TopoDS_Face Fforward = F; |
3507 | Fforward.Orientation(TopAbs_FORWARD); |
3508 | TopTools_IndexedMapOfShape Emap; |
3509 | TopExp::MapShapes( Fforward, TopAbs_EDGE, Emap ); |
3510 | Standard_Real f,l; |
3511 | for (Standard_Integer i = 1; i <= Emap.Extent(); i++) { |
3512 | TopoDS_Edge CE = TopoDS::Edge( Emap(i) ); |
3513 | CE.Orientation(TopAbs_FORWARD); |
3514 | TopoDS_Edge Ecs; //patch |
3515 | Handle(Geom2d_Curve) C2 = BRep_Tool::CurveOnSurface(CE,Fforward,f,l); |
3516 | if (!C2.IsNull()) { |
ab87e6fc |
3517 | if (ConstShapes.IsBound(CE)) { |
3518 | Ecs = TopoDS::Edge(ConstShapes(CE)); |
3519 | BRep_Tool::Range(Ecs,f,l); |
3520 | } |
3521 | if (BRep_Tool::IsClosed(CE,Fforward)) { |
3522 | TopoDS_Shape aLocalShape = CE.Reversed(); |
3523 | Handle(Geom2d_Curve) C2R = |
3524 | BRep_Tool::CurveOnSurface(TopoDS::Edge(aLocalShape),Fforward,f,l); |
3525 | // Handle(Geom2d_Curve) C2R = |
3526 | // BRep_Tool::CurveOnSurface(TopoDS::Edge(CE.Reversed()),F,f,l); |
3527 | B.UpdateEdge (CE,C2,C2R,EF,BRep_Tool::Tolerance(CE)); |
3528 | if (! Ecs.IsNull()) |
3529 | B.UpdateEdge (Ecs,C2,C2R,EF,BRep_Tool::Tolerance(CE)); |
3530 | } |
3531 | else { |
3532 | B.UpdateEdge (CE,C2,EF,BRep_Tool::Tolerance(CE)); |
3533 | if (! Ecs.IsNull()) |
3534 | B.UpdateEdge (Ecs,C2,EF,BRep_Tool::Tolerance(CE)); |
3535 | } |
3536 | B.Range(CE,f,l); |
3537 | if (! Ecs.IsNull()) |
3538 | B.Range(Ecs,f,l); |
7fd59977 |
3539 | } |
3540 | } |
3541 | } |
3542 | |
3543 | for (exp.Init(F.Oriented(TopAbs_FORWARD),TopAbs_WIRE); |
3544 | exp.More(); |
3545 | exp.Next()) { |
3546 | const TopoDS_Wire& W = TopoDS::Wire(exp.Current()); |
3547 | TopTools_DataMapOfShapeListOfShape MVE; // Vertex -> Edges incidentes. |
3548 | TopTools_DataMapOfShapeShape NOnV1; |
3549 | TopTools_DataMapOfShapeShape NOnV2; |
3550 | |
3551 | MapVertexEdges (W,MVE); |
3552 | BuildNeighbour (W,F,NOnV1,NOnV2); |
3553 | |
3554 | TopTools_ListOfShape LInt1,LInt2; |
3555 | TopoDS_Face StopFace; |
3556 | //------------------------------------------------ |
3557 | // Construction edges |
3558 | //------------------------------------------------ |
3559 | for (exp2.Init(W.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
ab87e6fc |
3560 | exp2.More(); exp2.Next()) { |
7fd59977 |
3561 | const TopoDS_Edge& E = TopoDS::Edge(exp2.Current()); |
3562 | if (ConstShapes.IsBound(E)) ToBuild.UnBind(E); |
3563 | if (ToBuild.IsBound(E)) { |
ab87e6fc |
3564 | TopTools_ListOfShape LOE; |
3565 | LOE.Append(E); |
3566 | BRepOffset_Tool::TryProject (TopoDS::Face(ToBuild(E)), |
3567 | EF,LOE,LInt2,LInt1,Side,TolConf); |
3568 | if (!LInt1.IsEmpty()) |
3569 | ToBuild.UnBind(E); |
7fd59977 |
3570 | } |
3571 | } |
3572 | |
3573 | for (exp2.Init(W.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
ab87e6fc |
3574 | exp2.More(); exp2.Next()) { |
7fd59977 |
3575 | const TopoDS_Edge& E = TopoDS::Edge(exp2.Current()); |
3576 | if (ConstShapes.IsBound(E)) ToBuild.UnBind(E); |
3577 | if (ToBuild.IsBound(E)) { |
80e49d43 |
3578 | EnLargeFace(TopoDS::Face(ToBuild(E)),StopFace,Standard_False); |
3579 | BRepOffset_Tool::Inter3D (EF,StopFace,LInt1,LInt2,Side,E,Standard_True); |
3580 | // No intersection, it may happen for example for a chosen (non-offseted) planar face and |
3581 | // its neighbour offseted cylindrical face, if the offset is directed so that |
3582 | // the radius of the cylinder becomes smaller. |
3583 | if (LInt1.IsEmpty()) |
3584 | continue; |
ab87e6fc |
3585 | if (LInt1.Extent() > 1) { |
3586 | // l intersection est en plusieurs edges (franchissement de couture) |
3587 | SelectEdge (F,EF,E,LInt1); |
3588 | } |
3589 | NE = TopoDS::Edge(LInt1.First()); |
3590 | Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*) &NE.TShape()); |
3591 | TE->Tolerance( TE->Tolerance()*10. ); //???? |
3592 | if (NE.Orientation() == E.Orientation()) { |
3593 | Build.Bind(E,NE.Oriented(TopAbs_FORWARD)); |
3594 | } |
3595 | else { |
3596 | Build.Bind(E,NE.Oriented(TopAbs_REVERSED)); |
3597 | } |
3598 | const TopoDS_Edge& EOnV1 = TopoDS::Edge(NOnV1(E)); |
3599 | if (!ToBuild .IsBound(EOnV1) && |
3600 | !ConstShapes.IsBound(EOnV1) && |
3601 | !Build .IsBound(EOnV1)) { |
3602 | ExtentEdge (F,EF,EOnV1,NE); |
3603 | Build.Bind (EOnV1,NE.Oriented(TopAbs_FORWARD)); |
3604 | } |
3605 | const TopoDS_Edge& EOnV2 = TopoDS::Edge(NOnV2(E)); |
3606 | if (!ToBuild .IsBound(EOnV2) && |
3607 | !ConstShapes.IsBound(EOnV2) && |
3608 | !Build .IsBound(EOnV2)) { |
3609 | ExtentEdge (F,EF,EOnV2,NE); |
3610 | Build.Bind (EOnV2,NE.Oriented (TopAbs_FORWARD)); |
3611 | } |
7fd59977 |
3612 | } |
3613 | } |
3614 | |
3615 | //------------------------------------------------ |
3616 | // Construction Vertex. |
3617 | //------------------------------------------------ |
3618 | TopTools_ListOfShape LV; |
3619 | Standard_Real f,l; |
3620 | TopoDS_Edge ERef; |
3621 | TopoDS_Vertex V1,V2; |
3622 | |
3623 | for (exp2.Init(W.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
ab87e6fc |
3624 | exp2.More(); exp2.Next()) { |
7fd59977 |
3625 | const TopoDS_Edge& E = TopoDS::Edge(exp2.Current()); |
3626 | TopExp::Vertices (E,V1,V2); |
3627 | BRep_Tool::Range (E,f,l); |
3628 | TopoDS_Vertex V; |
3629 | if (Build.IsBound(E)) { |
ab87e6fc |
3630 | const TopoDS_Edge& NEOnV1 = TopoDS::Edge(NOnV1(E)); |
3631 | if (Build.IsBound(NEOnV1) && |
3632 | (ToBuild.IsBound(E) || ToBuild.IsBound(NEOnV1))) { |
3633 | if (E.IsSame(NEOnV1)) |
3634 | V = TopExp::FirstVertex(TopoDS::Edge(Build(E))); |
3635 | else { |
3636 | //--------------- |
3637 | // intersection. |
3638 | //--------------- |
3639 | if (!Build.IsBound(V1)) { |
3640 | Inter2d (EF,TopoDS::Edge(Build(E)), |
3641 | TopoDS::Edge(Build(NEOnV1)),LV,/*TolConf*/Precision::Confusion()); |
3642 | if (Build(E).Orientation() == TopAbs_FORWARD) { |
3643 | V = TopoDS::Vertex(LV.First()); |
3644 | } |
3645 | else { |
3646 | V = TopoDS::Vertex(LV.Last()); |
3647 | } |
3648 | } |
3649 | else { |
3650 | V = TopoDS::Vertex(Build(V1)); |
3651 | if (MVE (V1).Extent() > 2) { |
3652 | V.Orientation(TopAbs_FORWARD); |
3653 | if (Build(E).Orientation() == TopAbs_REVERSED) |
3654 | V.Orientation(TopAbs_REVERSED); |
3655 | ProjectVertexOnEdge(V,TopoDS::Edge(Build(E)),TolConf); |
3656 | } |
3657 | } |
3658 | } |
3659 | } |
3660 | else { |
3661 | //------------ |
3662 | //projection |
3663 | //------------ |
3664 | V = V1; |
3665 | if (ConstShapes.IsBound(V1)) V = TopoDS::Vertex(ConstShapes(V1)); |
3666 | V.Orientation(TopAbs_FORWARD); |
3667 | if (Build(E).Orientation() == TopAbs_REVERSED) |
3668 | V.Orientation(TopAbs_REVERSED); |
3669 | if (!TryParameter (E,V,TopoDS::Edge(Build(E)),TolConf)) |
3670 | ProjectVertexOnEdge(V,TopoDS::Edge(Build(E)),TolConf); |
3671 | } |
3672 | ConstShapes.Bind(V1,V); |
3673 | Build.Bind (V1,V); |
3674 | const TopoDS_Edge& NEOnV2 = TopoDS::Edge(NOnV2(E)); |
3675 | if (Build.IsBound(NEOnV2) && |
3676 | (ToBuild.IsBound(E) || ToBuild.IsBound(NEOnV2))) { |
3677 | if (E.IsSame(NEOnV2)) |
3678 | V = TopExp::LastVertex(TopoDS::Edge(Build(E))); |
3679 | else { |
3680 | //-------------- |
3681 | // intersection. |
3682 | //--------------- |
3683 | if (!Build.IsBound(V2)) { |
3684 | Inter2d (EF,TopoDS::Edge(Build(E)), |
3685 | TopoDS::Edge(Build(NEOnV2)),LV,/*TolConf*/Precision::Confusion()); |
3686 | if (Build(E).Orientation() == TopAbs_FORWARD) { |
3687 | V = TopoDS::Vertex(LV.Last()); |
3688 | } |
3689 | else { |
3690 | V = TopoDS::Vertex(LV.First()); |
3691 | } |
3692 | } |
3693 | else { |
3694 | V = TopoDS::Vertex(Build(V2)); |
3695 | if (MVE (V2).Extent() > 2) { |
3696 | V.Orientation(TopAbs_REVERSED); |
3697 | if (Build(E).Orientation() == TopAbs_REVERSED) |
3698 | V.Orientation(TopAbs_FORWARD); |
3699 | ProjectVertexOnEdge(V,TopoDS::Edge(Build(E)),TolConf); |
3700 | } |
3701 | } |
3702 | } |
3703 | } |
3704 | else { |
3705 | //------------ |
3706 | //projection |
3707 | //------------ |
3708 | V = V2; |
3709 | if (ConstShapes.IsBound(V2)) V = TopoDS::Vertex(ConstShapes(V2)); |
3710 | V.Orientation(TopAbs_REVERSED); |
3711 | if (Build(E).Orientation() == TopAbs_REVERSED) |
3712 | V.Orientation(TopAbs_FORWARD); |
3713 | if (!TryParameter (E,V,TopoDS::Edge(Build(E)),TolConf)) |
3714 | ProjectVertexOnEdge(V,TopoDS::Edge(Build(E)),TolConf); |
3715 | } |
3716 | ConstShapes.Bind(V2,V); |
3717 | Build.Bind(V2,V); |
7fd59977 |
3718 | } |
3719 | } |
3720 | |
3721 | TopoDS_Wire NW; |
3722 | TopoDS_Vertex NV1,NV2; |
3723 | TopAbs_Orientation Or; |
3724 | Standard_Real U1,U2; |
3725 | Standard_Real eps = Precision::Confusion(); |
3726 | |
3727 | #ifdef DEB |
3728 | TopLoc_Location L; |
3729 | #endif |
3730 | B.MakeWire(NW); |
3731 | |
3732 | //----------------- |
3733 | // Reconstruction. |
3734 | //----------------- |
3735 | for (exp2.Init(W.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
ab87e6fc |
3736 | exp2.More(); exp2.Next()) { |
7fd59977 |
3737 | const TopoDS_Edge& E = TopoDS::Edge(exp2.Current()); |
3738 | TopExp::Vertices (E,V1,V2); |
3739 | if (Build.IsBound(E)) { |
ab87e6fc |
3740 | NE = TopoDS::Edge(Build(E)); |
3741 | BRep_Tool::Range(NE,f,l); |
3742 | Or = NE.Orientation(); |
3743 | //----------------------------------------------------- |
3744 | // Copy pour virer les vertex deja sur la nouvelle edge. |
3745 | //----------------------------------------------------- |
3746 | NV1 = TopoDS::Vertex(ConstShapes(V1)); |
3747 | NV2 = TopoDS::Vertex(ConstShapes(V2)); |
3748 | |
3749 | TopoDS_Shape aLocalVertex = NV1.Oriented(TopAbs_INTERNAL); |
3750 | TopoDS_Shape aLocalEdge = NE.Oriented(TopAbs_INTERNAL); |
3751 | |
3752 | U1 = BRep_Tool::Parameter(TopoDS::Vertex(aLocalVertex), |
3753 | TopoDS::Edge (aLocalEdge)); |
3754 | aLocalVertex = NV2.Oriented(TopAbs_INTERNAL); |
3755 | aLocalEdge = NE.Oriented(TopAbs_FORWARD); |
3756 | U2 = BRep_Tool::Parameter |
3757 | (TopoDS::Vertex(aLocalVertex),TopoDS::Edge (aLocalEdge)); |
3758 | // U1 = BRep_Tool::Parameter |
3759 | // (TopoDS::Vertex(NV1.Oriented(TopAbs_INTERNAL)), |
3760 | // TopoDS::Edge (NE .Oriented(TopAbs_FORWARD))); |
3761 | // U2 = BRep_Tool::Parameter |
3762 | // (TopoDS::Vertex(NV2.Oriented(TopAbs_INTERNAL)), |
3763 | // TopoDS::Edge (NE.Oriented(TopAbs_FORWARD))); |
3764 | aLocalEdge = NE.EmptyCopied(); |
3765 | NE = TopoDS::Edge(aLocalEdge); |
3766 | NE.Orientation(TopAbs_FORWARD); |
3767 | if (NV1.IsSame(NV2)) |
3768 | { |
3769 | //-------------- |
3770 | // edge ferme. |
3771 | //-------------- |
3772 | if (Or == TopAbs_FORWARD) {U1 = f; U2 = l;} |
3773 | else {U1 = l; U2 = f;} |
3774 | if (Or == TopAbs_FORWARD) |
3775 | { |
3776 | if (U1 > U2) |
3777 | { |
3778 | if (Abs(U1-l) < eps) U1 = f; |
3779 | if (Abs(U2-f) < eps) U2 = l; |
3780 | } |
3781 | TopoDS_Shape aLocalVertex = NV1.Oriented(TopAbs_FORWARD ); |
3782 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3783 | aLocalVertex = NV2.Oriented(TopAbs_REVERSED); |
3784 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3785 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_FORWARD ))); |
3786 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_REVERSED))); |
3787 | B.Range(NE,U1,U2); |
3788 | ConstShapes.Bind(E,NE); |
3789 | NE.Orientation(E.Orientation()); |
3790 | } |
3791 | else |
3792 | { |
3793 | if (U2 > U1) |
3794 | { |
3795 | if (Abs(U2-l) < eps) U2 = f; |
3796 | if (Abs(U1-f) < eps) U1 = l; |
3797 | } |
3798 | TopoDS_Shape aLocalVertex = NV2.Oriented(TopAbs_FORWARD ); |
3799 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3800 | aLocalVertex = NV1.Oriented(TopAbs_REVERSED); |
3801 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3802 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_FORWARD ))); |
3803 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_REVERSED))); |
3804 | B.Range(NE,U2,U1); |
3805 | ConstShapes.Bind(E,NE.Oriented(TopAbs_REVERSED)); |
3806 | NE.Orientation(TopAbs::Reverse(E.Orientation())); |
3807 | } |
3808 | } |
3809 | else |
3810 | { |
3811 | //------------------- |
3812 | // edge is not ferme. |
3813 | //------------------- |
3814 | if (Or == TopAbs_FORWARD) { |
3815 | if (U1 > U2) { |
3816 | TopoDS_Shape aLocalVertex = NV2.Oriented(TopAbs_FORWARD ); |
3817 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3818 | aLocalVertex = NV1.Oriented(TopAbs_REVERSED); |
3819 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3820 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_FORWARD ))); |
3821 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_REVERSED))); |
3822 | B.Range(NE,U2,U1); |
3823 | } |
3824 | else |
3825 | { |
3826 | TopoDS_Shape aLocalVertex = NV1.Oriented(TopAbs_FORWARD ); |
3827 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3828 | aLocalVertex = NV2.Oriented(TopAbs_REVERSED); |
3829 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3830 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_FORWARD ))); |
3831 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_REVERSED))); |
3832 | B.Range(NE,U1,U2); |
3833 | } |
3834 | ConstShapes.Bind(E,NE); |
3835 | NE.Orientation(E.Orientation()); |
3836 | } |
3837 | else { |
3838 | if (U2 > U1) { |
3839 | TopoDS_Shape aLocalVertex = NV1.Oriented(TopAbs_FORWARD ); |
3840 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3841 | aLocalVertex = NV2.Oriented(TopAbs_REVERSED); |
3842 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3843 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_FORWARD ))); |
3844 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_REVERSED))); |
3845 | B.Range(NE,U1,U2); |
3846 | ConstShapes.Bind(E,NE); |
3847 | NE.Orientation(E.Orientation()); |
3848 | } |
3849 | else |
3850 | { |
3851 | TopoDS_Shape aLocalVertex = NV2.Oriented(TopAbs_FORWARD ); |
3852 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3853 | aLocalVertex = NV1.Oriented(TopAbs_REVERSED); |
3854 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3855 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_FORWARD ))); |
3856 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_REVERSED))); |
3857 | B.Range(NE,U2,U1); |
3858 | ConstShapes.Bind(E,NE.Oriented(TopAbs_REVERSED)); |
3859 | NE.Orientation(TopAbs::Reverse(E.Orientation())); |
3860 | } |
3861 | } |
3862 | } |
3863 | Build.UnBind(E); |
7fd59977 |
3864 | } // Build.IsBound(E) |
3865 | else if (ConstShapes.IsBound(E)) { // !Build.IsBound(E) |
ab87e6fc |
3866 | NE = TopoDS::Edge(ConstShapes(E)); |
3867 | BuildPCurves(NE,NF); |
3868 | Or = NE.Orientation(); |
3869 | if (Or == TopAbs_REVERSED) { |
3870 | NE.Orientation(TopAbs::Reverse(E.Orientation())); |
3871 | } |
3872 | else { |
3873 | NE.Orientation(E.Orientation()); |
3874 | } |
7fd59977 |
3875 | } |
3876 | else { |
ab87e6fc |
3877 | NE = E; |
3878 | ConstShapes.Bind(E,NE.Oriented(TopAbs_FORWARD)); |
7fd59977 |
3879 | } |
3880 | B.Add(NW,NE); |
3881 | } |
3882 | B.Add(NF,NW.Oriented(W.Orientation())); |
3883 | } |
3884 | NF.Orientation(F.Orientation()); |
3885 | BRepTools::Update(NF); // Maj des UVPoints |
3886 | |
3887 | #ifdef DRAW |
3888 | if (AffichInter) { |
3889 | // POP pour NT |
3890 | char* name = new char[100]; |
3891 | sprintf(name,"FOB_%d",NbFOB++); |
3892 | DBRep::Set(name,NF); |
3893 | } |
3894 | #endif |
3895 | } |
3896 | |
3897 | |
3898 | //======================================================================= |
3899 | //function : Deboucle3D |
3900 | //purpose : |
3901 | //======================================================================= |
3902 | |
3903 | TopoDS_Shape BRepOffset_Tool::Deboucle3D(const TopoDS_Shape& S, |
ab87e6fc |
3904 | const TopTools_MapOfShape& Boundary) |
7fd59977 |
3905 | { |
3906 | return BRepAlgo_Tool::Deboucle3D(S,Boundary); |
3907 | } |
3908 | |
3909 | //======================================================================= |
3910 | //function : IsInOut |
3911 | //purpose : |
3912 | //======================================================================= |
3913 | |
3914 | static Standard_Boolean IsInOut (BRepTopAdaptor_FClass2d& FC, |
ab87e6fc |
3915 | Geom2dAdaptor_Curve AC, |
3916 | const TopAbs_State& S ) |
7fd59977 |
3917 | { |
3918 | Standard_Real Def = 100*Precision::Confusion(); |
3919 | GCPnts_QuasiUniformDeflection QU(AC,Def); |
3920 | |
3921 | for (Standard_Integer i = 1; i <= QU.NbPoints(); i++) { |
3922 | gp_Pnt2d P = AC.Value(QU.Parameter(i)); |
3923 | if (FC.Perform(P) != S) { |
3924 | return Standard_False; |
7fd59977 |
3925 | } |
3926 | } |
3927 | return Standard_True; |
3928 | } |
ab87e6fc |
3929 | |
7fd59977 |
3930 | //======================================================================= |
3931 | //function : CorrectOrientation |
3932 | //purpose : |
3933 | //======================================================================= |
3934 | |
3935 | void BRepOffset_Tool::CorrectOrientation(const TopoDS_Shape& SI, |
ab87e6fc |
3936 | const TopTools_IndexedMapOfShape& NewEdges, |
3937 | Handle(BRepAlgo_AsDes)& AsDes, |
3938 | BRepAlgo_Image& InitOffset, |
3939 | const Standard_Real Offset) |
7fd59977 |
3940 | { |
3941 | |
3942 | TopExp_Explorer exp; |
3943 | exp.Init(SI,TopAbs_FACE); |
3944 | Standard_Real f=0.,l=0.; |
3945 | |
3946 | for (; exp.More(); exp.Next()) { |
3947 | |
3948 | const TopoDS_Face& FI = TopoDS::Face(exp.Current()); |
3949 | const TopTools_ListOfShape& LOF = InitOffset.Image(FI); |
3950 | TopTools_ListIteratorOfListOfShape it(LOF); |
3951 | for (; it.More(); it.Next()) { |
3952 | const TopoDS_Face& OF = TopoDS::Face(it.Value()); |
3953 | TopTools_ListOfShape& LOE = AsDes->ChangeDescendant(OF); |
3954 | TopTools_ListIteratorOfListOfShape itE(LOE); |
3955 | |
3956 | Standard_Boolean YaInt = Standard_False; |
3957 | for (; itE.More(); itE.Next()) { |
ab87e6fc |
3958 | const TopoDS_Edge& OE = TopoDS::Edge(itE.Value()); |
3959 | if (NewEdges.Contains(OE)) {YaInt = Standard_True; break;} |
7fd59977 |
3960 | } |
3961 | if (YaInt) { |
ab87e6fc |
3962 | TopoDS_Shape aLocalFace = FI.Oriented(TopAbs_FORWARD); |
3963 | BRepTopAdaptor_FClass2d FC (TopoDS::Face(aLocalFace), |
3964 | Precision::Confusion()); |
3965 | // BRepTopAdaptor_FClass2d FC (TopoDS::Face(FI.Oriented(TopAbs_FORWARD)), |
3966 | // Precision::Confusion()); |
3967 | for (itE.Initialize(LOE); itE.More(); itE.Next()) { |
3968 | TopoDS_Shape& OE = itE.Value(); |
3969 | if (NewEdges.Contains(OE)) { |
3970 | Handle(Geom2d_Curve) CO2d = |
3971 | BRep_Tool::CurveOnSurface(TopoDS::Edge(OE),OF,f,l); |
3972 | Geom2dAdaptor_Curve AC(CO2d,f,l); |
3973 | |
3974 | if (Offset > 0) { |
3975 | if (IsInOut(FC,AC,TopAbs_OUT)) OE.Reverse(); |
3976 | } |
3977 | // else { |
3978 | // if (IsInOut(FC,AC,TopAbs_IN)) OE.Reverse(); |
3979 | // } |
3980 | } |
3981 | } |
7fd59977 |
3982 | } |
3983 | } |
3984 | } |
3985 | |
3986 | } |
3987 | |
3988 | |
3989 | |