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1 | // Created on: 1996-01-11 |
2 | // Created by: Jacques GOUSSARD |
3 | // Copyright (c) 1996-1999 Matra Datavision |
4 | // Copyright (c) 1999-2012 OPEN CASCADE SAS |
5 | // |
6 | // The content of this file is subject to the Open CASCADE Technology Public |
7 | // License Version 6.5 (the "License"). You may not use the content of this file |
8 | // except in compliance with the License. Please obtain a copy of the License |
9 | // at http://www.opencascade.org and read it completely before using this file. |
10 | // |
11 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
12 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
13 | // |
14 | // The Original Code and all software distributed under the License is |
15 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
16 | // Initial Developer hereby disclaims all such warranties, including without |
17 | // limitation, any warranties of merchantability, fitness for a particular |
18 | // purpose or non-infringement. Please see the License for the specific terms |
19 | // and conditions governing the rights and limitations under the License. |
20 | |
7fd59977 |
21 | |
22 | |
23 | #include <LocOpe_WiresOnShape.ixx> |
24 | |
25 | #include <TopExp_Explorer.hxx> |
26 | #include <BRep_Builder.hxx> |
27 | #include <BRep_Tool.hxx> |
28 | #include <TopTools_MapOfShape.hxx> |
29 | #include <TopTools_DataMapIteratorOfDataMapOfShapeShape.hxx> |
30 | #include <TopTools_ListOfShape.hxx> |
31 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
32 | |
33 | #include <GeomAPI_ProjectPointOnCurve.hxx> |
34 | #include <GeomAdaptor_Surface.hxx> |
35 | #include <Geom_Curve.hxx> |
36 | #include <Geom_TrimmedCurve.hxx> |
37 | #include <Geom_Surface.hxx> |
38 | #include <Geom_RectangularTrimmedSurface.hxx> |
39 | #include <Geom2d_Curve.hxx> |
40 | |
41 | #include <gp_Pnt2d.hxx> |
42 | #include <gp_Vec2d.hxx> |
43 | #include <gp_Vec.hxx> |
44 | |
45 | #include <TopoDS.hxx> |
46 | #include <TopExp.hxx> |
47 | #include <BRepTools.hxx> |
48 | #include <GeomProjLib.hxx> |
49 | #include <LocOpe.hxx> |
50 | #include <Precision.hxx> |
51 | |
52 | #include <Standard_ConstructionError.hxx> |
53 | #include <TopoDS_Compound.hxx> |
54 | #include <BRepLib.hxx> |
55 | |
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56 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> |
57 | #include <BRepAdaptor_Curve2d.hxx> |
58 | #include <Bnd_Box2d.hxx> |
59 | #include <BndLib_Add2dCurve.hxx> |
60 | #include <Extrema_ExtCC.hxx> |
61 | #include <BRepLib_MakeVertex.hxx> |
62 | |
63 | |
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64 | static Standard_Boolean Project(const TopoDS_Vertex&, |
65 | const TopoDS_Face&, |
66 | TopoDS_Edge&, |
67 | Standard_Real&); |
68 | |
69 | static Standard_Real Project(const TopoDS_Vertex&, |
70 | const TopoDS_Edge&); |
71 | |
72 | |
73 | static void PutPCurve(const TopoDS_Edge&, |
74 | const TopoDS_Face&); |
75 | |
76 | |
77 | static void PutPCurves(const TopoDS_Edge&, |
78 | const TopoDS_Edge&, |
79 | const TopoDS_Shape&); |
80 | |
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81 | static void FindInternalIntersections(const TopoDS_Edge&, |
82 | const TopoDS_Face&, |
83 | TopTools_IndexedDataMapOfShapeListOfShape&, |
84 | TopTools_DataMapOfShapeShape&, |
85 | TopTools_MapOfShape&); |
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86 | |
87 | //======================================================================= |
88 | //function : LocOpe_WiresOnShape |
89 | //purpose : |
90 | //======================================================================= |
91 | |
92 | LocOpe_WiresOnShape::LocOpe_WiresOnShape(const TopoDS_Shape& S): |
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93 | myShape(S),myCheckInterior(Standard_True),myDone(Standard_False) |
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94 | {} |
95 | |
96 | |
97 | |
98 | //======================================================================= |
99 | //function : Init |
100 | //purpose : |
101 | //======================================================================= |
102 | |
103 | void LocOpe_WiresOnShape::Init(const TopoDS_Shape& S) |
104 | { |
105 | myShape = S; |
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106 | myCheckInterior = Standard_True; |
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107 | myDone = Standard_False; |
108 | myMap.Clear(); |
109 | myMapEF.Clear(); |
110 | } |
111 | |
112 | |
113 | |
114 | //======================================================================= |
115 | //function : Bind |
116 | //purpose : |
117 | //======================================================================= |
118 | |
119 | void LocOpe_WiresOnShape::Bind(const TopoDS_Wire& W, |
120 | const TopoDS_Face& F) |
121 | { |
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122 | for (TopExp_Explorer exp(W, TopAbs_EDGE); exp.More(); exp.Next()) { |
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123 | Bind(TopoDS::Edge(exp.Current()),F); |
124 | } |
125 | } |
126 | |
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127 | //======================================================================= |
128 | //function : Bind |
129 | //purpose : |
130 | //======================================================================= |
131 | |
132 | void LocOpe_WiresOnShape::Bind(const TopoDS_Compound& Comp, |
133 | const TopoDS_Face& F) |
134 | { |
135 | for (TopExp_Explorer exp(Comp, TopAbs_EDGE); exp.More(); exp.Next()) { |
136 | Bind(TopoDS::Edge(exp.Current()),F); |
137 | } |
138 | myFacesWithSection.Add(F); |
139 | } |
7fd59977 |
140 | |
141 | //======================================================================= |
142 | //function : Bind |
143 | //purpose : |
144 | //======================================================================= |
145 | |
146 | void LocOpe_WiresOnShape::Bind(const TopoDS_Edge& E, |
147 | const TopoDS_Face& F) |
148 | { |
149 | // if (!myMapEF.IsBound(E)) { |
150 | if (!myMapEF.Contains(E)) { |
151 | // for (TopExp_Explorer exp(F,TopAbs_EDGE);exp.More();exp.Next()) { |
152 | TopExp_Explorer exp(F,TopAbs_EDGE) ; |
153 | for ( ;exp.More();exp.Next()) { |
154 | if (exp.Current().IsSame(E)) { |
155 | break; |
156 | } |
157 | } |
158 | if (!exp.More()) { |
159 | // myMapEF.Bind(E,F); |
160 | myMapEF.Add(E,F); |
161 | } |
162 | } |
163 | else { |
164 | Standard_ConstructionError::Raise(); |
165 | } |
166 | } |
167 | |
168 | |
169 | //======================================================================= |
170 | //function : Bind |
171 | //purpose : |
172 | //======================================================================= |
173 | |
174 | void LocOpe_WiresOnShape::Bind(const TopoDS_Edge& Ewir, |
175 | const TopoDS_Edge& Efac) |
176 | { |
177 | if (Ewir.IsSame(Efac)) { |
178 | return; |
179 | } |
180 | myMap.Bind(Ewir,Efac); |
181 | } |
182 | |
183 | |
184 | //======================================================================= |
185 | //function : BindAll |
186 | //purpose : |
187 | //======================================================================= |
188 | |
189 | void LocOpe_WiresOnShape::BindAll() |
190 | { |
191 | if (myDone) { |
192 | return; |
193 | } |
194 | TopTools_MapOfShape theMap; |
195 | |
196 | // Detection des vertex a projeter ou a "binder" avec des vertex existants |
197 | TopTools_DataMapOfShapeShape mapV; |
198 | TopTools_DataMapIteratorOfDataMapOfShapeShape ite(myMap); |
199 | TopExp_Explorer exp,exp2; |
200 | for (; ite.More(); ite.Next()) { |
201 | const TopoDS_Edge& eref = TopoDS::Edge(ite.Key()); |
202 | const TopoDS_Edge& eimg = TopoDS::Edge(ite.Value()); |
203 | |
204 | PutPCurves(eref,eimg,myShape); |
205 | |
206 | for (exp.Init(eref,TopAbs_VERTEX); exp.More(); exp.Next()) { |
207 | const TopoDS_Vertex& vtx = TopoDS::Vertex(exp.Current()); |
208 | if (!theMap.Contains(vtx)) { // pas deja traite |
209 | for (exp2.Init(eimg,TopAbs_VERTEX); exp2.More(); exp2.Next()) { |
210 | const TopoDS_Vertex& vtx2 = TopoDS::Vertex(exp2.Current()); |
211 | if (vtx2.IsSame(vtx)) { |
212 | break; |
213 | } |
214 | else if (BRepTools::Compare(vtx,vtx2)) { |
215 | mapV.Bind(vtx,vtx2); |
216 | break; |
217 | } |
218 | } |
219 | if (!exp2.More()) { |
220 | mapV.Bind(vtx,eimg); |
221 | } |
222 | theMap.Add(vtx); |
223 | } |
224 | } |
225 | } |
226 | |
227 | for (ite.Initialize(mapV); ite.More(); ite.Next()) { |
228 | myMap.Bind(ite.Key(),ite.Value()); |
229 | } |
230 | |
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231 | TopTools_IndexedDataMapOfShapeListOfShape Splits; |
232 | Standard_Integer Ind; |
233 | for (Ind = 1; Ind <= myMapEF.Extent(); Ind++) |
234 | { |
235 | const TopoDS_Edge& edg = TopoDS::Edge(myMapEF.FindKey(Ind)); |
236 | const TopoDS_Face& fac = TopoDS::Face(myMapEF(Ind)); |
237 | |
238 | PutPCurve(edg,fac); |
239 | Standard_Real pf, pl; |
240 | Handle(Geom2d_Curve) aPCurve = BRep_Tool::CurveOnSurface(edg, fac, pf, pl); |
241 | if (aPCurve.IsNull()) |
242 | continue; |
243 | |
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244 | if (myCheckInterior) |
245 | FindInternalIntersections(edg, fac, Splits, myMap, theMap); |
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246 | } |
247 | |
248 | for (Ind = 1; Ind <= Splits.Extent(); Ind++) |
249 | { |
250 | TopoDS_Shape anEdge = Splits.FindKey(Ind); |
251 | TopoDS_Shape aFace = myMapEF.FindFromKey(anEdge); |
252 | //Remove "anEdge" from "myMapEF" |
253 | TopoDS_Shape LastEdge = myMapEF.FindKey(myMapEF.Extent()); |
254 | TopoDS_Shape LastFace = myMapEF(myMapEF.Extent()); |
255 | myMapEF.RemoveLast(); |
256 | if (myMapEF.FindIndex(anEdge) != 0) |
257 | myMapEF.Substitute(myMapEF.FindIndex(anEdge), LastEdge, LastFace); |
258 | //////////////////////////////// |
259 | TopTools_ListIteratorOfListOfShape itl(Splits(Ind)); |
260 | for (; itl.More(); itl.Next()) |
261 | myMapEF.Add(itl.Value(), aFace); |
262 | } |
263 | |
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264 | // Il faut s`occuper maintenant des vertex "de changement de face", |
265 | // et des vertex "libres" |
266 | // TopTools_DataMapIteratorOfDataMapOfShapeShape ite2; |
267 | |
268 | // for (ite.Initialize(myMapEF); ite.More(); ite.Next()) { |
269 | // const TopoDS_Edge& edg = TopoDS::Edge(ite.Key()); |
270 | // const TopoDS_Face& fac = TopoDS::Face(ite.Value()); |
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271 | for (Ind = 1; Ind <= myMapEF.Extent(); Ind++) { |
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272 | const TopoDS_Edge& edg = TopoDS::Edge(myMapEF.FindKey(Ind)); |
273 | const TopoDS_Face& fac = TopoDS::Face(myMapEF(Ind)); |
274 | // JAG 02.02.96 : On verifie les pcurves... |
275 | |
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276 | //PutPCurve(edg,fac); |
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277 | |
278 | for (exp.Init(edg,TopAbs_VERTEX); exp.More(); exp.Next()) { |
279 | const TopoDS_Vertex& vtx = TopoDS::Vertex(exp.Current()); |
280 | if (theMap.Contains(vtx)) { |
281 | continue; |
282 | } |
283 | TopoDS_Edge Epro; |
284 | Standard_Real prm; |
285 | Standard_Boolean ok = Project(vtx,fac,Epro,prm); |
286 | if (ok) { |
287 | for (exp2.Init(Epro,TopAbs_VERTEX); exp2.More(); exp2.Next()) { |
288 | const TopoDS_Vertex& vtx2 = TopoDS::Vertex(exp2.Current()); |
289 | if (vtx2.IsSame(vtx)) { |
290 | break; |
291 | } |
292 | else if (BRepTools::Compare(vtx,vtx2)) { |
293 | myMap.Bind(vtx,vtx2); |
294 | break; |
295 | } |
296 | } |
297 | if (!exp2.More()) { |
298 | myMap.Bind(vtx,Epro); |
299 | } |
300 | theMap.Add(vtx); |
301 | } |
302 | } |
303 | } |
304 | |
305 | // Modified by Sergey KHROMOV - Mon Feb 12 16:26:50 2001 Begin |
306 | for (ite.Initialize(myMap); ite.More(); ite.Next()) |
307 | if ((ite.Key()).ShapeType() == TopAbs_EDGE) |
308 | myMapEF.Add(ite.Key(),ite.Value()); |
309 | // Modified by Sergey KHROMOV - Mon Feb 12 16:26:52 2001 End |
310 | |
311 | |
312 | myDone = Standard_True; |
313 | |
314 | } |
315 | |
316 | |
317 | //======================================================================= |
318 | //function : InitEdgeIterator |
319 | //purpose : |
320 | //======================================================================= |
321 | |
322 | void LocOpe_WiresOnShape::InitEdgeIterator() |
323 | { |
324 | BindAll(); |
325 | // myIt.Initialize(myMapEF); |
326 | myIndex = 1; |
327 | } |
328 | |
329 | |
330 | //======================================================================= |
331 | //function : MoreEdge |
332 | //purpose : |
333 | //======================================================================= |
334 | |
335 | Standard_Boolean LocOpe_WiresOnShape::MoreEdge() |
336 | { |
337 | // return myIt.More(); |
338 | return (myIndex <= myMapEF.Extent()); |
339 | } |
340 | |
341 | |
342 | //======================================================================= |
343 | //function : Edge |
344 | //purpose : |
345 | //======================================================================= |
346 | |
347 | TopoDS_Edge LocOpe_WiresOnShape::Edge() |
348 | { |
349 | // return TopoDS::Edge(myIt.Key()); |
350 | return TopoDS::Edge(myMapEF.FindKey(myIndex)); |
351 | } |
352 | |
353 | |
354 | //======================================================================= |
355 | //function : Face |
356 | //purpose : |
357 | //======================================================================= |
358 | |
359 | TopoDS_Face LocOpe_WiresOnShape::OnFace() |
360 | { |
361 | // return TopoDS::Face(myIt.Value()); |
362 | return TopoDS::Face(myMapEF(myIndex)); |
363 | } |
364 | |
365 | |
366 | //======================================================================= |
367 | //function : OnEdge |
368 | //purpose : |
369 | //======================================================================= |
370 | |
371 | Standard_Boolean LocOpe_WiresOnShape::OnEdge(TopoDS_Edge& E) |
372 | { |
373 | // if (myMap.IsBound(myIt.Key())) { |
374 | if (myMap.IsBound(myMapEF.FindKey(myIndex))) { |
375 | // E = TopoDS::Edge(myMap(myIt.Key())); |
376 | E = TopoDS::Edge(myMap(myMapEF.FindKey(myIndex))); |
377 | return Standard_True; |
378 | } |
379 | return Standard_False; |
380 | } |
381 | |
382 | |
383 | |
384 | |
385 | //======================================================================= |
386 | //function : NextEdge |
387 | //purpose : |
388 | //======================================================================= |
389 | |
390 | void LocOpe_WiresOnShape::NextEdge() |
391 | { |
392 | // myIt.Next(); |
393 | myIndex++; |
394 | } |
395 | |
396 | |
397 | |
398 | //======================================================================= |
399 | //function : OnVertex |
400 | //purpose : |
401 | //======================================================================= |
402 | |
403 | Standard_Boolean LocOpe_WiresOnShape::OnVertex(const TopoDS_Vertex& Vw, |
404 | TopoDS_Vertex& Vs) |
405 | { |
406 | if (myMap.IsBound(Vw)) { |
407 | if (myMap(Vw).ShapeType() == TopAbs_VERTEX) { |
408 | Vs = TopoDS::Vertex(myMap(Vw)); |
409 | return Standard_True; |
410 | } |
411 | return Standard_False; |
412 | } |
413 | return Standard_False; |
414 | } |
415 | |
416 | |
417 | |
418 | |
419 | //======================================================================= |
420 | //function : OnEdge |
421 | //purpose : |
422 | //======================================================================= |
423 | |
424 | Standard_Boolean LocOpe_WiresOnShape::OnEdge(const TopoDS_Vertex& V, |
425 | TopoDS_Edge& Ed, |
426 | Standard_Real& prm) |
427 | { |
428 | if (!myMap.IsBound(V) || |
429 | myMap(V).ShapeType() == TopAbs_VERTEX) { |
430 | return Standard_False; |
431 | } |
432 | |
433 | Ed = TopoDS::Edge(myMap(V)); |
434 | prm = Project(V,Ed); |
435 | return Standard_True; |
436 | } |
437 | |
438 | |
439 | //======================================================================= |
440 | //function : Project |
441 | //purpose : |
442 | //======================================================================= |
443 | |
444 | Standard_Boolean Project(const TopoDS_Vertex& V, |
445 | const TopoDS_Face& F, |
446 | TopoDS_Edge& theEdge, |
447 | Standard_Real& param) |
448 | { |
449 | Handle(Geom_Curve) C; |
450 | TopLoc_Location Loc; |
451 | Standard_Real f,l; |
452 | |
453 | Standard_Real dmin = RealLast(); |
454 | gp_Pnt toproj(BRep_Tool::Pnt(V)); |
455 | Standard_Boolean valret = Standard_False; |
456 | GeomAPI_ProjectPointOnCurve proj; |
457 | |
458 | for (TopExp_Explorer exp(F.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
459 | exp.More(); exp.Next()) { |
460 | const TopoDS_Edge& edg = TopoDS::Edge(exp.Current()); |
461 | if (!BRep_Tool::Degenerated(edg)) { |
462 | C = BRep_Tool::Curve(edg,Loc,f,l); |
463 | if (!Loc.IsIdentity()) { |
464 | Handle(Geom_Geometry) GG = C->Transformed(Loc.Transformation()); |
465 | C = *((Handle(Geom_Curve)*)&GG); |
466 | } |
467 | proj.Init(toproj,C,f,l); |
468 | if (proj.NbPoints() > 0) { |
469 | if (proj.LowerDistance() < dmin) { |
470 | theEdge = edg; |
471 | theEdge.Orientation(edg.Orientation()); |
472 | dmin = proj.LowerDistance(); |
473 | param = proj.LowerDistanceParameter(); |
474 | } |
475 | } |
476 | } |
477 | } |
478 | |
479 | if(theEdge.IsNull()) |
480 | return Standard_False; |
481 | |
482 | Standard_Real ttol = BRep_Tool::Tolerance(V) + BRep_Tool::Tolerance(theEdge); |
483 | if (dmin <= ttol) { |
484 | valret = Standard_True; |
485 | BRep_Builder B; |
486 | B.UpdateVertex(V, Max(dmin, BRep_Tool::Tolerance(V))); |
487 | } |
488 | #ifdef DEB_MESH |
489 | else { |
490 | cout <<"LocOpe_WiresOnShape::Project --> le vertex projete est a une "; |
491 | cout <<"distance / la face = "<<dmin <<" superieure a la tolerance = "<<ttol<<endl; |
492 | } |
493 | #endif |
494 | return valret; |
495 | } |
496 | |
497 | //======================================================================= |
498 | //function : Project |
499 | //purpose : |
500 | //======================================================================= |
501 | |
502 | Standard_Real Project(const TopoDS_Vertex& V, |
503 | const TopoDS_Edge& theEdge) |
504 | { |
505 | Handle(Geom_Curve) C; |
506 | TopLoc_Location Loc; |
507 | Standard_Real f,l; |
508 | |
509 | gp_Pnt toproj(BRep_Tool::Pnt(V)); |
510 | GeomAPI_ProjectPointOnCurve proj; |
511 | |
512 | C = BRep_Tool::Curve(theEdge,Loc,f,l); |
513 | if (!Loc.IsIdentity()) { |
514 | Handle(Geom_Geometry) GG = C->Transformed(Loc.Transformation()); |
515 | C = *((Handle(Geom_Curve)*)&GG); |
516 | } |
517 | proj.Init(toproj,C,f,l); |
518 | |
519 | |
520 | return proj.LowerDistanceParameter(); |
521 | } |
522 | |
523 | |
524 | //======================================================================= |
525 | //function : PutPCurve |
526 | //purpose : |
527 | //======================================================================= |
528 | |
529 | void PutPCurve(const TopoDS_Edge& Edg, |
530 | const TopoDS_Face& Fac) |
531 | { |
532 | BRep_Builder B; |
533 | TopLoc_Location LocFac; |
534 | |
535 | Handle(Geom_Surface) S = BRep_Tool::Surface(Fac, LocFac); |
536 | Handle(Standard_Type) styp = S->DynamicType(); |
537 | |
538 | if (styp == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
539 | S = (*((Handle(Geom_RectangularTrimmedSurface)*)&(S)))->BasisSurface(); |
540 | styp = S->DynamicType(); |
541 | } |
542 | |
543 | if (styp == STANDARD_TYPE(Geom_Plane)) { |
544 | return; |
545 | } |
546 | |
547 | Standard_Real Umin,Umax,Vmin,Vmax; |
548 | BRepTools::UVBounds(Fac,Umin,Umax,Vmin,Vmax); |
549 | |
550 | Standard_Real f,l; |
551 | |
552 | //if (!BRep_Tool::CurveOnSurface(Edg,Fac,f,l).IsNull()) { |
553 | // return; |
554 | //} |
555 | Handle(Geom2d_Curve) aC2d = BRep_Tool::CurveOnSurface(Edg,Fac,f,l); |
556 | if ( !aC2d.IsNull() ) { |
557 | gp_Pnt2d p2d; |
558 | aC2d->D0(f,p2d); |
559 | Standard_Boolean IsIn = Standard_True; |
560 | if ( ( p2d.X() < Umin-Precision::PConfusion() ) || |
561 | ( p2d.X() > Umax+Precision::PConfusion() ) ) |
562 | IsIn = Standard_False; |
563 | if ( ( p2d.Y() < Vmin-Precision::PConfusion() ) || |
564 | ( p2d.Y() > Vmax+Precision::PConfusion() ) ) |
565 | IsIn = Standard_False; |
566 | aC2d->D0(l,p2d); |
567 | if ( ( p2d.X() < Umin-Precision::PConfusion() ) || |
568 | ( p2d.X() > Umax+Precision::PConfusion() ) ) |
569 | IsIn = Standard_False; |
570 | if ( ( p2d.Y() < Vmin-Precision::PConfusion() ) || |
571 | ( p2d.Y() > Vmax+Precision::PConfusion() ) ) |
572 | IsIn = Standard_False; |
573 | if (IsIn) |
574 | return; |
575 | } |
576 | |
577 | TopLoc_Location Loc; |
578 | Handle(Geom_Curve) C = BRep_Tool::Curve(Edg,Loc,f,l); |
579 | if (!Loc.IsIdentity()) { |
580 | Handle(Geom_Geometry) GG = C->Transformed(Loc.Transformation()); |
581 | C = *((Handle(Geom_Curve)*)&GG); |
582 | } |
583 | |
584 | if (C->DynamicType() != STANDARD_TYPE(Geom_TrimmedCurve)) { |
585 | C = new Geom_TrimmedCurve(C,f,l); |
586 | } |
587 | |
588 | S = BRep_Tool::Surface(Fac); |
589 | |
590 | // Compute the tol2d |
591 | Standard_Real tol3d = Max(BRep_Tool::Tolerance(Edg), |
592 | BRep_Tool::Tolerance(Fac)); |
593 | GeomAdaptor_Surface Gas(S,Umin,Umax,Vmin,Vmax); |
594 | Standard_Real TolU = Gas.UResolution(tol3d); |
595 | Standard_Real TolV = Gas.VResolution(tol3d); |
596 | Standard_Real tol2d = Max(TolU,TolV); |
597 | |
598 | Handle(Geom2d_Curve) C2d = |
599 | GeomProjLib::Curve2d(C,S,Umin,Umax,Vmin,Vmax,tol2d); |
600 | if(C2d.IsNull()) |
601 | return; |
602 | gp_Pnt2d pf(C2d->Value(f)); |
603 | gp_Pnt2d pl(C2d->Value(l)); |
604 | gp_Pnt PF,PL; |
605 | S->D0(pf.X(),pf.Y(),PF); |
606 | S->D0(pl.X(),pl.Y(),PL); |
607 | TopoDS_Vertex V1,V2; |
608 | if (Edg.Orientation() == TopAbs_REVERSED) { |
609 | V1 = TopExp::LastVertex(Edg); |
610 | V1.Reverse(); |
611 | } |
612 | else { |
613 | V1 = TopExp::FirstVertex (Edg); |
614 | } |
615 | if (Edg.Orientation() == TopAbs_REVERSED) { |
616 | V2 = TopExp::FirstVertex(Edg); |
617 | V2.Reverse(); |
618 | } |
619 | else { |
620 | V2 = TopExp::LastVertex (Edg); |
621 | } |
622 | |
623 | if(!V1.IsNull() && V2.IsNull()) { |
624 | //Handling of internal vertices |
625 | Standard_Real old1 = BRep_Tool::Tolerance (V1); |
626 | Standard_Real old2 = BRep_Tool::Tolerance (V2); |
627 | gp_Pnt pnt1 = BRep_Tool::Pnt (V1); |
628 | gp_Pnt pnt2 = BRep_Tool::Pnt (V2); |
629 | Standard_Real tol1 = pnt1.Distance(PF); |
630 | Standard_Real tol2 = pnt2.Distance(PL); |
631 | B.UpdateVertex(V1,Max(old1,tol1)); |
632 | B.UpdateVertex(V2,Max(old2,tol2)); |
633 | } |
634 | |
635 | if (S->IsUPeriodic()) { |
636 | Standard_Real up = S->UPeriod(); |
637 | Standard_Real tolu = Precision::PConfusion();// Epsilon(up); |
638 | Standard_Integer nbtra = 0; |
639 | Standard_Real theUmin = Min(pf.X(),pl.X()); |
640 | Standard_Real theUmax = Max(pf.X(),pl.X()); |
641 | |
642 | if (theUmin < Umin-tolu) { |
643 | while (theUmin < Umin-tolu) { |
644 | theUmin += up; |
645 | nbtra++; |
646 | } |
647 | } |
648 | else if (theUmax > Umax+tolu) { |
649 | while (theUmax > Umax+tolu) { |
650 | theUmax -= up; |
651 | nbtra--; |
652 | } |
653 | } |
654 | |
655 | /* |
656 | if (theUmin > Umax-tolu) { |
657 | while (theUmin > Umax-tolu) { |
658 | theUmin -= up; |
659 | nbtra--; |
660 | } |
661 | } |
662 | else if (theUmax < Umin+tolu) { |
663 | while (theUmax < Umin+tolu) { |
664 | theUmax += up; |
665 | nbtra++; |
666 | } |
667 | } |
668 | */ |
669 | if (nbtra !=0) { |
670 | C2d->Translate(gp_Vec2d(nbtra*up,0.)); |
671 | } |
672 | } |
673 | |
674 | if (S->IsVPeriodic()) { |
675 | Standard_Real vp = S->VPeriod(); |
676 | Standard_Real tolv = Precision::PConfusion();// Epsilon(vp); |
677 | Standard_Integer nbtra = 0; |
678 | Standard_Real theVmin = Min(pf.Y(),pl.Y()); |
679 | Standard_Real theVmax = Max(pf.Y(),pl.Y()); |
680 | |
681 | if (theVmin < Vmin-tolv) { |
682 | while (theVmin < Vmin-tolv) { |
683 | theVmin += vp; theVmax += vp; |
684 | nbtra++; |
685 | } |
686 | } |
687 | else if (theVmax > Vmax+tolv) { |
688 | while (theVmax > Vmax+tolv) { |
689 | theVmax -= vp; theVmin -= vp; |
690 | nbtra--; |
691 | } |
692 | } |
693 | /* |
694 | if (theVmin > Vmax-tolv) { |
695 | while (theVmin > Vmax-tolv) { |
696 | theVmin -= vp; |
697 | nbtra--; |
698 | } |
699 | } |
700 | else if (theVmax < Vmin+tolv) { |
701 | while (theVmax < Vmin+tolv) { |
702 | theVmax += vp; |
703 | nbtra++; |
704 | } |
705 | } |
706 | */ |
707 | if (nbtra !=0) { |
708 | C2d->Translate(gp_Vec2d(0.,nbtra*vp)); |
709 | } |
710 | } |
711 | B.UpdateEdge(Edg,C2d,Fac,BRep_Tool::Tolerance(Edg)); |
712 | |
713 | B.SameParameter(Edg,Standard_False); |
714 | BRepLib::SameParameter(Edg,tol2d); |
715 | } |
716 | |
717 | |
718 | //======================================================================= |
719 | //function : PutPCurves |
720 | //purpose : |
721 | //======================================================================= |
722 | |
723 | void PutPCurves(const TopoDS_Edge& Efrom, |
724 | const TopoDS_Edge& Eto, |
725 | const TopoDS_Shape& myShape) |
726 | { |
727 | |
728 | TopTools_ListOfShape Lfaces; |
729 | TopExp_Explorer exp,exp2; |
730 | |
731 | for (exp.Init(myShape,TopAbs_FACE); exp.More(); exp.Next()) { |
732 | for (exp2.Init(exp.Current(), TopAbs_EDGE); exp2.More();exp2.Next()) { |
733 | if (exp2.Current().IsSame(Eto)) { |
734 | Lfaces.Append(exp.Current()); |
735 | } |
736 | } |
737 | } |
738 | |
739 | if (Lfaces.Extent() != 1 && Lfaces.Extent() !=2) { |
740 | Standard_ConstructionError::Raise(); |
741 | } |
742 | |
743 | // soit bord libre, soit connexite entre 2 faces, eventuellement edge closed |
744 | |
745 | if (Lfaces.Extent() ==1) { |
746 | return; // sera fait par PutPCurve.... on l`espere |
747 | } |
748 | |
749 | BRep_Builder B; |
750 | Handle(Geom_Surface) S; |
751 | Handle(Standard_Type) styp; |
752 | Handle(Geom_Curve) C; |
753 | Standard_Real Umin,Umax,Vmin,Vmax; |
754 | Standard_Real f,l; |
755 | TopLoc_Location Loc, LocFac; |
756 | |
757 | if (!Lfaces.First().IsSame(Lfaces.Last())) { |
758 | TopTools_ListIteratorOfListOfShape itl(Lfaces); |
759 | for (; itl.More(); itl.Next()) { |
760 | const TopoDS_Face& Fac = TopoDS::Face(itl.Value()); |
761 | |
762 | if (!BRep_Tool::CurveOnSurface(Efrom,Fac,f,l).IsNull()) { |
763 | continue; |
764 | } |
765 | S = BRep_Tool::Surface(Fac, LocFac); |
766 | styp = S->DynamicType(); |
767 | if (styp == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
768 | S = (*((Handle(Geom_RectangularTrimmedSurface)*)&(S)))->BasisSurface(); |
769 | styp = S->DynamicType(); |
770 | } |
771 | if (styp == STANDARD_TYPE(Geom_Plane)) { |
772 | continue; |
773 | } |
774 | |
775 | |
776 | BRepTools::UVBounds(Fac,Umin,Umax,Vmin,Vmax); |
777 | C = BRep_Tool::Curve(Efrom,Loc,f,l); |
778 | if (!Loc.IsIdentity()) { |
779 | Handle(Geom_Geometry) GG = C->Transformed(Loc.Transformation()); |
780 | C = *((Handle(Geom_Curve)*)&GG); |
781 | } |
782 | |
783 | if (C->DynamicType() != STANDARD_TYPE(Geom_TrimmedCurve)) { |
784 | C = new Geom_TrimmedCurve(C,f,l); |
785 | } |
786 | |
787 | S = BRep_Tool::Surface(Fac); |
788 | |
789 | // Compute the tol2d |
790 | Standard_Real tol3d = Max(BRep_Tool::Tolerance(Efrom), |
791 | BRep_Tool::Tolerance(Fac)); |
792 | GeomAdaptor_Surface Gas(S,Umin,Umax,Vmin,Vmax); |
793 | Standard_Real TolU = Gas.UResolution(tol3d); |
794 | Standard_Real TolV = Gas.VResolution(tol3d); |
795 | Standard_Real tol2d = Max(TolU,TolV); |
796 | |
797 | Handle(Geom2d_Curve) C2d = |
798 | GeomProjLib::Curve2d(C,S,Umin,Umax,Vmin,Vmax,tol2d); |
799 | if(C2d.IsNull()) |
800 | return; |
801 | |
802 | gp_Pnt2d pf(C2d->Value(f)); |
803 | gp_Pnt2d pl(C2d->Value(l)); |
804 | |
805 | if (S->IsUPeriodic()) { |
806 | Standard_Real up = S->UPeriod(); |
807 | Standard_Real tolu = Precision::PConfusion();// Epsilon(up); |
808 | Standard_Integer nbtra = 0; |
809 | Standard_Real theUmin = Min(pf.X(),pl.X()); |
810 | Standard_Real theUmax = Max(pf.X(),pl.X()); |
811 | |
812 | if (theUmin < Umin-tolu) { |
813 | while (theUmin < Umin-tolu) { |
814 | theUmin += up; theUmax += up; |
815 | nbtra++; |
816 | } |
817 | } |
818 | else if (theUmax > Umax+tolu) { |
819 | while (theUmax > Umax+tolu) { |
820 | theUmax -= up; theUmin -= up; |
821 | nbtra--; |
822 | } |
823 | } |
824 | /* |
825 | if (theUmin > Umax+tolu) { |
826 | while (theUmin > Umax+tolu) { |
827 | theUmin -= up; |
828 | nbtra--; |
829 | } |
830 | } |
831 | else if (theUmax < Umin-tolu) { |
832 | while (theUmax < Umin-tolu) { |
833 | theUmax += up; |
834 | nbtra++; |
835 | } |
836 | } |
837 | */ |
838 | if (nbtra !=0) { |
839 | C2d->Translate(gp_Vec2d(nbtra*up,0.)); |
840 | } |
841 | } |
842 | |
843 | if (S->IsVPeriodic()) { |
844 | Standard_Real vp = S->VPeriod(); |
845 | Standard_Real tolv = Precision::PConfusion();// Epsilon(vp); |
846 | Standard_Integer nbtra = 0; |
847 | Standard_Real theVmin = Min(pf.Y(),pl.Y()); |
848 | Standard_Real theVmax = Max(pf.Y(),pl.Y()); |
849 | |
850 | if (theVmin < Vmin-tolv) { |
851 | while (theVmin < Vmin-tolv) { |
852 | theVmin += vp; theVmax += vp; |
853 | nbtra++; |
854 | } |
855 | } |
856 | else if (theVmax > Vmax+tolv) { |
857 | while (theVmax > Vmax+tolv) { |
858 | theVmax -= vp; theVmin -= vp; |
859 | nbtra--; |
860 | } |
861 | } |
862 | /* |
863 | if (theVmin > Vmax+tolv) { |
864 | while (theVmin > Vmax+tolv) { |
865 | theVmin -= vp; |
866 | nbtra--; |
867 | } |
868 | } |
869 | else if (theVmax < Vmin-tolv) { |
870 | while (theVmax < Vmin-tolv) { |
871 | theVmax += vp; |
872 | nbtra++; |
873 | } |
874 | } |
875 | */ |
876 | if (nbtra !=0) { |
877 | C2d->Translate(gp_Vec2d(0.,nbtra*vp)); |
878 | } |
879 | } |
880 | B.UpdateEdge(Efrom,C2d,Fac,BRep_Tool::Tolerance(Efrom)); |
881 | } |
882 | } |
883 | |
884 | else { |
885 | const TopoDS_Face& Fac = TopoDS::Face(Lfaces.First()); |
886 | if (!BRep_Tool::IsClosed(Eto,Fac)) { |
887 | Standard_ConstructionError::Raise(); |
888 | } |
889 | |
890 | TopoDS_Shape aLocalE = Efrom.Oriented(TopAbs_FORWARD); |
891 | TopoDS_Shape aLocalF = Fac.Oriented(TopAbs_FORWARD); |
892 | Handle(Geom2d_Curve) c2dff = |
893 | BRep_Tool::CurveOnSurface(TopoDS::Edge(aLocalE), |
894 | TopoDS::Face(aLocalF), |
895 | f,l); |
896 | |
897 | // Handle(Geom2d_Curve) c2dff = |
898 | // BRep_Tool::CurveOnSurface(TopoDS::Edge(Efrom.Oriented(TopAbs_FORWARD)), |
899 | // TopoDS::Face(Fac.Oriented(TopAbs_FORWARD)), |
900 | // f,l); |
901 | |
902 | aLocalE = Efrom.Oriented(TopAbs_REVERSED); |
903 | aLocalF = Fac.Oriented(TopAbs_FORWARD); |
904 | Handle(Geom2d_Curve) c2dfr = |
905 | BRep_Tool::CurveOnSurface(TopoDS::Edge(aLocalE), |
906 | TopoDS::Face(aLocalF), |
907 | f,l); |
908 | // Handle(Geom2d_Curve) c2dfr = |
909 | // BRep_Tool::CurveOnSurface(TopoDS::Edge(Efrom.Oriented(TopAbs_REVERSED)), |
910 | // TopoDS::Face(Fac.Oriented(TopAbs_FORWARD)), |
911 | // f,l); |
912 | |
913 | aLocalE = Eto.Oriented(TopAbs_FORWARD); |
914 | aLocalF = Fac.Oriented(TopAbs_FORWARD); |
915 | Handle(Geom2d_Curve) c2dtf = |
916 | BRep_Tool::CurveOnSurface(TopoDS::Edge(aLocalE), |
917 | TopoDS::Face(aLocalF), |
918 | f,l); |
919 | |
920 | // Handle(Geom2d_Curve) c2dtf = |
921 | // BRep_Tool::CurveOnSurface(TopoDS::Edge(Eto.Oriented(TopAbs_FORWARD)), |
922 | // TopoDS::Face(Fac.Oriented(TopAbs_FORWARD)), |
923 | // f,l); |
924 | aLocalE = Eto.Oriented(TopAbs_REVERSED); |
925 | aLocalF = Fac.Oriented(TopAbs_FORWARD); |
926 | Handle(Geom2d_Curve) c2dtr = |
927 | BRep_Tool::CurveOnSurface(TopoDS::Edge(aLocalE), |
928 | TopoDS::Face(aLocalF), |
929 | f,l); |
930 | // Handle(Geom2d_Curve) c2dtr = |
931 | // BRep_Tool::CurveOnSurface(TopoDS::Edge(Eto.Oriented(TopAbs_REVERSED)), |
932 | // TopoDS::Face(Fac.Oriented(TopAbs_FORWARD)), |
933 | // f,l); |
934 | |
935 | gp_Pnt2d ptf(c2dtf->Value(f)); // sur courbe frw |
936 | gp_Pnt2d ptr(c2dtr->Value(f)); // sur courbe rev |
937 | |
938 | Standard_Boolean isoU = (Abs(ptf.Y()-ptr.Y())<Epsilon(ptf.X())); // meme V |
939 | |
940 | // Efrom et Eto dans le meme sens??? |
941 | |
942 | C = BRep_Tool::Curve(Efrom,Loc,f,l); |
943 | if (!Loc.IsIdentity()) { |
944 | Handle(Geom_Geometry) GG = C->Transformed(Loc.Transformation()); |
945 | C = *((Handle(Geom_Curve)*)&GG); |
946 | } |
947 | |
948 | gp_Pnt pt; |
949 | gp_Vec d1f,d1t; |
950 | |
951 | C->D1(f,pt,d1f); |
952 | |
953 | Standard_Real prmproj = Project(TopExp::FirstVertex(Efrom),Eto); |
954 | |
955 | C = BRep_Tool::Curve(Eto,Loc,f,l); |
956 | if (!Loc.IsIdentity()) { |
957 | Handle(Geom_Geometry) GG = C->Transformed(Loc.Transformation()); |
958 | C = *((Handle(Geom_Curve)*)&GG); |
959 | } |
960 | |
961 | C->D1(prmproj,pt,d1t); |
962 | |
963 | Standard_Real SameOri = (d1t.Dot(d1f)>0.); |
964 | |
965 | |
966 | if (c2dff.IsNull() && c2dfr.IsNull()) { |
967 | S = BRep_Tool::Surface(Fac); |
968 | styp = S->DynamicType(); |
969 | if (styp == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
970 | S = (*((Handle(Geom_RectangularTrimmedSurface)*)&(S)))->BasisSurface(); |
971 | styp = S->DynamicType(); |
972 | } |
973 | |
974 | C = BRep_Tool::Curve(Efrom,Loc,f,l); |
975 | if (!Loc.IsIdentity()) { |
976 | Handle(Geom_Geometry) GG = C->Transformed(Loc.Transformation()); |
977 | C = *((Handle(Geom_Curve)*)&GG); |
978 | } |
979 | |
980 | if (C->DynamicType() != STANDARD_TYPE(Geom_TrimmedCurve)) { |
981 | C = new Geom_TrimmedCurve(C,f,l); |
982 | } |
983 | |
984 | // Compute the tol2d |
985 | BRepTools::UVBounds(Fac,Umin,Umax,Vmin,Vmax); |
986 | |
987 | Standard_Real tol3d = Max(BRep_Tool::Tolerance(Efrom), |
988 | BRep_Tool::Tolerance(Fac)); |
989 | GeomAdaptor_Surface Gas(S,Umin,Umax,Vmin,Vmax); |
990 | Standard_Real TolU = Gas.UResolution(tol3d); |
991 | Standard_Real TolV = Gas.VResolution(tol3d); |
992 | Standard_Real tol2d = Max(TolU,TolV); |
993 | |
994 | Handle(Geom2d_Curve) C2d = |
995 | GeomProjLib::Curve2d(C,S,Umin,Umax,Vmin,Vmax,tol2d); |
996 | c2dff = C2d; |
997 | c2dfr = C2d; |
998 | } |
999 | else if (c2dfr.IsNull()) { |
1000 | c2dfr = c2dff; |
1001 | |
1002 | } |
1003 | else if (c2dff.IsNull()) { |
1004 | c2dff = c2dfr; |
1005 | } |
1006 | |
1007 | BRep_Tool::Range(Efrom,f,l); |
1008 | |
1009 | gp_Pnt2d p2f = c2dff->Value(f); |
1010 | gp_Pnt2d p2r = c2dfr->Value(f); |
1011 | |
1012 | if (isoU) { |
1013 | if (SameOri) { |
1014 | if (Abs(ptf.X()-p2f.X()) > Epsilon(ptf.X())) { |
1015 | c2dff = Handle(Geom2d_Curve)::DownCast |
1016 | (c2dff->Translated(gp_Vec2d(ptf.X()-p2f.X(),0.))); |
1017 | } |
1018 | if (Abs(ptr.X()-p2r.X()) > Epsilon(ptr.X())) { |
1019 | c2dfr = Handle(Geom2d_Curve)::DownCast |
1020 | (c2dfr->Translated(gp_Vec2d(ptr.X()-p2r.X(),0.))); |
1021 | } |
1022 | } |
1023 | else { |
1024 | if (Abs(ptr.X()-p2f.X()) > Epsilon(ptr.X())) { |
1025 | c2dff = Handle(Geom2d_Curve)::DownCast |
1026 | (c2dff->Translated(gp_Vec2d(ptr.X()-p2f.X(),0.))); |
1027 | } |
1028 | |
1029 | if (Abs(ptf.X()-p2r.X()) > Epsilon(ptf.X())) { |
1030 | c2dfr = Handle(Geom2d_Curve)::DownCast |
1031 | (c2dfr->Translated(gp_Vec2d(ptf.X()-p2r.X(),0.))); |
1032 | } |
1033 | } |
1034 | |
1035 | // on est bien en U, recalage si periodique en V a faire |
1036 | |
1037 | |
1038 | |
1039 | } |
1040 | |
1041 | else { // !isoU soit isoV |
1042 | if (SameOri) { |
1043 | if (Abs(ptf.Y()-p2f.Y()) > Epsilon(ptf.Y())) { |
1044 | c2dff = Handle(Geom2d_Curve)::DownCast |
1045 | (c2dff->Translated(gp_Vec2d(0.,ptf.Y()-p2f.Y()))); |
1046 | } |
1047 | if (Abs(ptr.Y()-p2r.Y()) > Epsilon(ptr.Y())) { |
1048 | c2dfr = Handle(Geom2d_Curve)::DownCast |
1049 | (c2dfr->Translated(gp_Vec2d(0.,ptr.Y()-p2r.Y()))); |
1050 | } |
1051 | } |
1052 | else { |
1053 | if (Abs(ptr.Y()-p2f.Y()) > Epsilon(ptr.Y())) { |
1054 | c2dff = Handle(Geom2d_Curve)::DownCast |
1055 | (c2dff->Translated(gp_Vec2d(0.,ptr.Y()-p2f.Y()))); |
1056 | } |
1057 | if (Abs(ptf.Y()-p2r.Y()) > Epsilon(ptf.Y())) { |
1058 | c2dfr = Handle(Geom2d_Curve)::DownCast |
1059 | (c2dfr->Translated(gp_Vec2d(0.,ptf.Y()-p2r.Y()))); |
1060 | } |
1061 | } |
1062 | // on est bien en V, recalage si periodique en U a faire |
1063 | |
1064 | } |
1065 | B.UpdateEdge(Efrom,c2dff,c2dfr,Fac,BRep_Tool::Tolerance(Efrom)); |
1066 | } |
1067 | } |
1068 | |
ed60a55e |
1069 | //======================================================================= |
1070 | //function : FindInternalIntersections |
1071 | //purpose : |
1072 | //======================================================================= |
1073 | |
1074 | void FindInternalIntersections(const TopoDS_Edge& theEdge, |
1075 | const TopoDS_Face& theFace, |
1076 | TopTools_IndexedDataMapOfShapeListOfShape& Splits, |
1077 | TopTools_DataMapOfShapeShape& GlobalMap, |
1078 | TopTools_MapOfShape& theMap) |
1079 | { |
1080 | Standard_Real TolExt = Precision::PConfusion(); |
1081 | Standard_Integer i, j, aNbExt; |
1082 | |
1083 | TColStd_SequenceOfReal SplitPars; |
1084 | |
1085 | TopoDS_Vertex theVertices [2]; |
1086 | TopExp::Vertices(theEdge, theVertices[0], theVertices[1]); |
1087 | if (theEdge.Orientation() == TopAbs_REVERSED) |
1088 | { |
1089 | theVertices[0].Reverse(); |
1090 | theVertices[1].Reverse(); |
1091 | } |
1092 | gp_Pnt thePnt [2]; |
1093 | thePnt[0] = BRep_Tool::Pnt(theVertices[0]); |
1094 | thePnt[1] = BRep_Tool::Pnt(theVertices[1]); |
1095 | |
1096 | BRepAdaptor_Curve2d thePCurve(theEdge, theFace); |
1097 | Bnd_Box2d theBox; |
1098 | BndLib_Add2dCurve::Add(thePCurve, BRep_Tool::Tolerance(theEdge), theBox); |
1099 | |
1100 | Standard_Real thePar [2]; |
1101 | Standard_Real /*theFpar, theLpar,*/ aFpar, aLpar; |
1102 | const Handle(Geom_Curve)& theCurve = BRep_Tool::Curve(theEdge, thePar[0], thePar[1]); |
1103 | GeomAdaptor_Curve theGAcurve(theCurve, thePar[0], thePar[1]); |
1104 | |
1105 | TopExp_Explorer Explo(theFace, TopAbs_EDGE); |
1106 | for (; Explo.More(); Explo.Next()) |
1107 | { |
1108 | const TopoDS_Edge& anEdge = TopoDS::Edge(Explo.Current()); |
1109 | BRepAdaptor_Curve2d aPCurve(anEdge, theFace); |
1110 | Bnd_Box2d aBox; |
1111 | BndLib_Add2dCurve::Add(aPCurve, BRep_Tool::Tolerance(anEdge), aBox); |
1112 | if (theBox.IsOut(aBox)) |
1113 | continue; |
1114 | |
1115 | const Handle(Geom_Curve)& aCurve = BRep_Tool::Curve(anEdge, aFpar, aLpar); |
1116 | GeomAdaptor_Curve aGAcurve(aCurve, aFpar, aLpar); |
1117 | Extrema_ExtCC anExtrema(theGAcurve, aGAcurve, TolExt, TolExt); |
1118 | |
1119 | if (!anExtrema.IsDone()) |
1120 | continue; |
1121 | if (anExtrema.IsParallel()) |
1122 | continue; |
1123 | |
1124 | aNbExt = anExtrema.NbExt(); |
1125 | Standard_Real MaxTol = Max(BRep_Tool::Tolerance(theEdge), BRep_Tool::Tolerance(anEdge)); |
1126 | for (i = 1; i <= aNbExt; i++) |
1127 | { |
1128 | Standard_Real aDist = Sqrt(anExtrema.SquareDistance(i)); |
1129 | if (aDist > MaxTol) |
1130 | continue; |
1131 | |
1132 | Extrema_POnCurv aPOnC1, aPOnC2; |
1133 | anExtrema.Points(i, aPOnC1, aPOnC2); |
1134 | Standard_Real theIntPar = aPOnC1.Parameter(); |
1135 | Standard_Real anIntPar = aPOnC2.Parameter(); |
1136 | Standard_Boolean IntersFound = Standard_False; |
1137 | for (j = 0; j < 2; j++) //try to find intersection on an extremity of "theEdge" |
1138 | { |
1139 | if (Abs(theIntPar - thePar[j]) <= Precision::PConfusion() && |
1140 | aDist <= Precision::Confusion()) |
1141 | { |
1142 | theMap.Add(theVertices[j]); |
1143 | TopExp_Explorer exp2(anEdge, TopAbs_VERTEX); |
1144 | for (; exp2.More(); exp2.Next()) |
1145 | { |
1146 | const TopoDS_Vertex& aVertex = TopoDS::Vertex(exp2.Current()); |
1147 | if (aVertex.IsSame(theVertices[j])) |
1148 | { |
1149 | IntersFound = Standard_True; |
1150 | break; |
1151 | } |
1152 | if (BRepTools::Compare(theVertices[j], aVertex)) |
1153 | { |
1154 | GlobalMap.Bind(theVertices[j], aVertex); |
1155 | IntersFound = Standard_True; |
1156 | break; |
1157 | } |
1158 | } |
1159 | if (!IntersFound) |
1160 | { |
1161 | GlobalMap.Bind(theVertices[j], anEdge); |
1162 | IntersFound = Standard_True; |
1163 | break; |
1164 | } |
1165 | } |
1166 | } |
1167 | if (!IntersFound) //intersection is inside "theEdge" => split |
1168 | { |
1169 | gp_Pnt aPoint = aCurve->Value(anIntPar); |
1170 | if (aPoint.Distance(thePnt[0]) > BRep_Tool::Tolerance(theVertices[0]) && |
1171 | aPoint.Distance(thePnt[1]) > BRep_Tool::Tolerance(theVertices[1])) |
1172 | SplitPars.Append(theIntPar); |
1173 | } |
1174 | } |
1175 | } |
1176 | |
1177 | if (SplitPars.IsEmpty()) |
1178 | return; |
1179 | |
1180 | //Sort |
1181 | for (i = 1; i < SplitPars.Length(); i++) |
1182 | for (j = i+1; j <= SplitPars.Length(); j++) |
1183 | if (SplitPars(i) > SplitPars(j)) |
1184 | { |
1185 | Standard_Real Tmp = SplitPars(i); |
1186 | SplitPars(i) = SplitPars(j); |
1187 | SplitPars(j) = Tmp; |
1188 | } |
1189 | |
1190 | //Remove repeating points |
1191 | i = 1; |
1192 | while (i < SplitPars.Length()) |
1193 | { |
1194 | gp_Pnt Pnt1 = theCurve->Value(SplitPars(i)); |
1195 | gp_Pnt Pnt2 = theCurve->Value(SplitPars(i+1)); |
1196 | if (Pnt1.Distance(Pnt2) <= Precision::Confusion()) |
1197 | SplitPars.Remove(i+1); |
1198 | else |
1199 | i++; |
1200 | } |
1201 | |
1202 | //Split |
1203 | TopTools_ListOfShape NewEdges; |
1204 | BRep_Builder BB; |
1205 | //theVertices[0].Orientation(TopAbs_FORWARD); |
1206 | //theVertices[1].Orientation(TopAbs_REVERSED); |
1207 | TopoDS_Vertex FirstVertex = theVertices[0], LastVertex; |
1208 | Standard_Real FirstPar = thePar[0], LastPar; |
1209 | for (i = 1; i <= SplitPars.Length()+1; i++) |
1210 | { |
1211 | FirstVertex.Orientation(TopAbs_FORWARD); |
1212 | if (i <= SplitPars.Length()) |
1213 | { |
1214 | LastPar = SplitPars(i); |
1215 | gp_Pnt LastPoint = theCurve->Value(LastPar); |
1216 | LastVertex = BRepLib_MakeVertex(LastPoint); |
1217 | } |
1218 | else |
1219 | { |
1220 | LastPar = thePar[1]; |
1221 | LastVertex = theVertices[1]; |
1222 | } |
1223 | LastVertex.Orientation(TopAbs_REVERSED); |
1224 | |
1225 | TopoDS_Shape aLocalShape = theEdge.EmptyCopied(); |
1226 | TopoDS_Edge NewEdge = TopoDS::Edge(aLocalShape); |
1227 | BB.Range(NewEdge, FirstPar, LastPar); |
1228 | BB.Add(NewEdge, FirstVertex); |
1229 | BB.Add(NewEdge, LastVertex); |
1230 | |
1231 | NewEdges.Append(NewEdge); |
1232 | FirstVertex = LastVertex; |
1233 | FirstPar = LastPar; |
1234 | } |
1235 | |
1236 | if (!NewEdges.IsEmpty()) |
1237 | Splits.Add(theEdge, NewEdges); |
1238 | } |