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7fd59977 | 1 | // File: BRepAlgo_Loop.cxx |
2 | // Created: Fri Nov 10 16:25:22 1995 | |
3 | // Author: Yves FRICAUD | |
4 | // <yfr@stylox> | |
5 | ||
6 | #include <stdio.h> | |
7 | ||
8 | #include <BRepAlgo_Loop.ixx> | |
9 | ||
10 | #include <BRep_Builder.hxx> | |
11 | #include <BRepAlgo_FaceRestrictor.hxx> | |
12 | #include <BRep_Tool.hxx> | |
13 | ||
14 | #include <Geom2d_Curve.hxx> | |
15 | #include <Geom_Surface.hxx> | |
16 | #include <TopExp.hxx> | |
17 | #include <TopTools_SequenceOfShape.hxx> | |
18 | #include <TopTools_MapOfShape.hxx> | |
19 | #include <TopTools_ListIteratorOfListOfShape.hxx> | |
20 | #include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx> | |
21 | ||
22 | #include <TopoDS.hxx> | |
23 | #include <TopoDS_Vertex.hxx> | |
24 | #include <TopoDS_Wire.hxx> | |
25 | #include <gp_Pnt.hxx> | |
26 | #include <gp_Pnt2d.hxx> | |
27 | #include <Precision.hxx> | |
28 | #include <BRep_TVertex.hxx> | |
29 | #include <BRep_TEdge.hxx> | |
30 | #include <TopExp_Explorer.hxx> | |
31 | #include <TopoDS_Iterator.hxx> | |
32 | #include <TopTools_DataMapIteratorOfDataMapOfShapeShape.hxx> | |
33 | ||
34 | #ifdef DRAW | |
35 | #include <DBRep.hxx> | |
36 | #endif | |
37 | #ifdef DEB | |
38 | Standard_Boolean AffichLoop = Standard_False; | |
39 | Standard_Integer NbLoops = 0; | |
40 | Standard_Integer NbWires = 1; | |
41 | static char* name = new char[100]; | |
42 | #endif | |
43 | ||
44 | //======================================================================= | |
45 | //function : BRepAlgo_Loop | |
46 | //purpose : | |
47 | //======================================================================= | |
48 | ||
49 | BRepAlgo_Loop::BRepAlgo_Loop() | |
50 | { | |
51 | } | |
52 | ||
53 | ||
54 | //======================================================================= | |
55 | //function : Init | |
56 | //purpose : | |
57 | //======================================================================= | |
58 | ||
59 | void BRepAlgo_Loop::Init(const TopoDS_Face& F) | |
60 | { | |
61 | myConstEdges.Clear(); | |
62 | myVerOnEdges.Clear(); | |
63 | myNewWires .Clear(); | |
64 | myNewFaces .Clear(); | |
65 | myNewEdges .Clear(); | |
66 | myFace = F; | |
67 | } | |
68 | ||
69 | ||
70 | //======================================================================= | |
71 | //function : Bubble | |
0d969553 | 72 | //purpose : Orders the sequence of vertices by increasing parameter. |
7fd59977 | 73 | //======================================================================= |
74 | ||
75 | static void Bubble(const TopoDS_Edge& E, | |
76 | TopTools_SequenceOfShape& Seq) | |
77 | { | |
78 | Standard_Boolean Invert = Standard_True; | |
79 | Standard_Integer NbPoints = Seq.Length(); | |
80 | Standard_Real U1,U2; | |
81 | TopoDS_Vertex V1,V2; | |
82 | ||
83 | while (Invert) { | |
84 | Invert = Standard_False; | |
85 | for ( Standard_Integer i = 1; i < NbPoints; i++) { | |
86 | TopoDS_Shape aLocalV = Seq.Value(i) .Oriented(TopAbs_INTERNAL); | |
87 | V1 = TopoDS::Vertex(aLocalV); | |
88 | aLocalV = Seq.Value(i+1).Oriented(TopAbs_INTERNAL); | |
89 | V2 = TopoDS::Vertex(aLocalV); | |
90 | // V1 = TopoDS::Vertex(Seq.Value(i) .Oriented(TopAbs_INTERNAL)); | |
91 | // V2 = TopoDS::Vertex(Seq.Value(i+1).Oriented(TopAbs_INTERNAL)); | |
92 | ||
93 | U1 = BRep_Tool::Parameter(V1,E); | |
94 | U2 = BRep_Tool::Parameter(V2,E); | |
95 | if (U2 < U1) { | |
96 | Seq.Exchange(i,i+1); | |
97 | Invert = Standard_True; | |
98 | } | |
99 | } | |
100 | } | |
101 | } | |
102 | ||
103 | ||
104 | ||
105 | //======================================================================= | |
106 | //function : AddEdges | |
107 | //purpose : | |
108 | //======================================================================= | |
109 | ||
110 | void BRepAlgo_Loop::AddEdge (TopoDS_Edge& E, | |
111 | const TopTools_ListOfShape& LV) | |
112 | { | |
113 | myVerOnEdges.Bind(E,LV); | |
114 | } | |
115 | ||
116 | ||
117 | //======================================================================= | |
118 | //function : AddConstEdges | |
119 | //purpose : | |
120 | //======================================================================= | |
121 | ||
122 | void BRepAlgo_Loop::AddConstEdge (const TopoDS_Edge& E) | |
123 | { | |
124 | myConstEdges.Append(E); | |
125 | } | |
126 | ||
127 | //======================================================================= | |
128 | //function : AddConstEdges | |
129 | //purpose : | |
130 | //======================================================================= | |
131 | ||
132 | void BRepAlgo_Loop::AddConstEdges(const TopTools_ListOfShape& LE) | |
133 | { | |
134 | TopTools_ListIteratorOfListOfShape itl(LE); | |
135 | for (; itl.More(); itl.Next()) { | |
136 | myConstEdges.Append(itl.Value()); | |
137 | } | |
138 | } | |
139 | ||
140 | ||
141 | //======================================================================= | |
142 | //function : UpdateClosedEdge | |
0d969553 Y |
143 | //purpose : If the first or the last vertex of intersection |
144 | // coincides with the closing vertex, it is removed from SV. | |
145 | // it will be added at the beginning and the end of SV by the caller. | |
7fd59977 | 146 | //======================================================================= |
147 | ||
148 | static TopoDS_Vertex UpdateClosedEdge(const TopoDS_Edge& E, | |
149 | TopTools_SequenceOfShape& SV) | |
150 | { | |
151 | TopoDS_Vertex VB [2], V1, V2, VRes; | |
152 | gp_Pnt P,PC; | |
153 | Standard_Boolean OnStart = 0, OnEnd = 0; | |
154 | //// modified by jgv, 13.04.04 for OCC5634 //// | |
155 | TopExp::Vertices (E,V1,V2); | |
156 | //Standard_Real Tol = Precision::Confusion(); | |
157 | Standard_Real Tol = BRep_Tool::Tolerance( V1 ); | |
158 | /////////////////////////////////////////////// | |
159 | ||
160 | if (SV.IsEmpty()) return VRes; | |
161 | ||
162 | VB[0] = TopoDS::Vertex(SV.First()); | |
163 | VB[1] = TopoDS::Vertex(SV.Last ()); | |
164 | PC = BRep_Tool::Pnt(V1); | |
165 | ||
166 | for ( Standard_Integer i = 0 ; i < 2 ; i++) { | |
167 | P = BRep_Tool::Pnt(VB [i]); | |
168 | if (P.IsEqual(PC,Tol)) { | |
169 | VRes = VB [i]; | |
170 | if (i == 0) OnStart = Standard_True; | |
171 | else OnEnd = Standard_True; | |
172 | } | |
173 | } | |
174 | if (OnStart && OnEnd) { | |
175 | if (!VB[0].IsSame(VB[1])) { | |
176 | #ifdef DEB | |
177 | if (AffichLoop) | |
0d969553 | 178 | cout <<"Two different vertices on the closing vertex"<<endl; |
7fd59977 | 179 | #endif |
180 | } | |
181 | else { | |
182 | SV.Remove(1); | |
183 | if (!SV.IsEmpty()) SV.Remove(SV.Length()); | |
184 | } | |
185 | } | |
186 | else if (OnStart) SV.Remove(1); | |
187 | else if (OnEnd ) SV.Remove(SV.Length()); | |
188 | ||
189 | return VRes; | |
190 | } | |
191 | ||
192 | ||
193 | ||
194 | //======================================================================= | |
195 | //function : RemovePendingEdges | |
196 | //purpose : | |
197 | //======================================================================= | |
198 | ||
199 | static void RemovePendingEdges(TopTools_DataMapOfShapeListOfShape& MVE) | |
200 | { | |
201 | //-------------------------------- | |
0d969553 | 202 | // Remove hanging edges. |
7fd59977 | 203 | //-------------------------------- |
204 | TopTools_DataMapIteratorOfDataMapOfShapeListOfShape Mapit; | |
205 | TopTools_ListOfShape ToRemove; | |
206 | TopTools_ListIteratorOfListOfShape itl; | |
207 | Standard_Boolean YaSupress = Standard_True; | |
208 | TopoDS_Vertex V1,V2; | |
209 | ||
210 | while (YaSupress) { | |
211 | YaSupress = Standard_False; | |
212 | TopTools_ListOfShape VToRemove; | |
213 | TopTools_MapOfShape EToRemove; | |
214 | ||
215 | for (Mapit.Initialize(MVE); Mapit.More(); Mapit.Next()) { | |
216 | ||
217 | if (Mapit.Value().IsEmpty()) { | |
218 | VToRemove.Append(Mapit.Key()); | |
219 | } | |
220 | if (Mapit.Value().Extent() == 1) { | |
221 | const TopoDS_Edge& E = TopoDS::Edge(Mapit.Value().First()); | |
222 | TopExp::Vertices(E,V1,V2) ; | |
223 | if (!V1.IsSame(V2)) { | |
224 | VToRemove.Append(Mapit.Key()); | |
225 | EToRemove.Add(Mapit.Value().First()); | |
226 | } | |
227 | } | |
228 | } | |
229 | ||
230 | if (!VToRemove.IsEmpty()) { | |
231 | YaSupress = Standard_True; | |
232 | for (itl.Initialize(VToRemove); itl.More(); itl.Next()) { | |
233 | MVE.UnBind(itl.Value()); | |
234 | } | |
235 | if (!EToRemove.IsEmpty()) { | |
236 | for (Mapit.Initialize(MVE); Mapit.More(); Mapit.Next()) { | |
237 | TopTools_ListOfShape& LE = MVE.ChangeFind(Mapit.Key()); | |
238 | itl.Initialize(LE); | |
239 | while (itl.More()) { | |
240 | if (EToRemove.Contains(itl.Value())) { | |
241 | LE.Remove(itl); | |
242 | } | |
243 | else itl.Next(); | |
244 | } | |
245 | } | |
246 | } | |
247 | } | |
248 | } | |
249 | } | |
250 | //======================================================================= | |
251 | //function : SamePnt2d | |
252 | //purpose : | |
253 | //======================================================================= | |
254 | ||
255 | static Standard_Boolean SamePnt2d(TopoDS_Vertex V, | |
256 | TopoDS_Edge& E1, | |
257 | TopoDS_Edge& E2, | |
258 | TopoDS_Face& F) | |
259 | { | |
260 | Standard_Real f1,f2,l1,l2; | |
261 | gp_Pnt2d P1,P2; | |
262 | TopoDS_Shape aLocalF = F.Oriented(TopAbs_FORWARD); | |
263 | TopoDS_Face FF = TopoDS::Face(aLocalF); | |
264 | // TopoDS_Face FF = TopoDS::Face(F.Oriented(TopAbs_FORWARD)); | |
265 | Handle(Geom2d_Curve) C1 = BRep_Tool::CurveOnSurface(E1,FF,f1,l1); | |
266 | Handle(Geom2d_Curve) C2 = BRep_Tool::CurveOnSurface(E2,FF,f2,l2); | |
267 | if (E1.Orientation () == TopAbs_FORWARD) P1 = C1->Value(f1); | |
268 | else P1 = C1->Value(l1); | |
269 | ||
270 | if (E2.Orientation () == TopAbs_FORWARD) P2 = C2->Value(l2); | |
271 | else P2 = C2->Value(f2); | |
272 | Standard_Real Tol = 100*BRep_Tool::Tolerance(V); | |
273 | Standard_Real Dist = P1.Distance(P2); | |
274 | return Dist < Tol; | |
275 | } | |
276 | ||
277 | //======================================================================= | |
278 | //function : SelectEdge | |
0d969553 Y |
279 | //purpose : Find edge <NE> connected to <CE> by vertex <CV> in the |
280 | // list <LE>. <NE> is removed from the list. If <CE> is | |
281 | // also in the list <LE> with the same orientation, it is | |
282 | // removed from the list. | |
7fd59977 | 283 | //======================================================================= |
284 | ||
285 | static Standard_Boolean SelectEdge(const TopoDS_Face& F, | |
286 | const TopoDS_Edge& CE, | |
287 | const TopoDS_Vertex& CV, | |
288 | TopoDS_Edge& NE, | |
289 | TopTools_ListOfShape& LE) | |
290 | { | |
291 | TopTools_ListIteratorOfListOfShape itl; | |
292 | NE.Nullify(); | |
293 | #ifdef DEB | |
294 | if (AffichLoop) { | |
295 | if ( LE.Extent() > 2) { | |
0d969553 | 296 | cout <<"vertex on more than 2 edges in a face."<<endl; |
7fd59977 | 297 | } |
298 | } | |
299 | #endif | |
300 | for ( itl.Initialize(LE); itl.More(); itl.Next()) { | |
301 | if (itl.Value().IsEqual(CE)) { | |
302 | LE.Remove(itl); | |
303 | break; | |
304 | } | |
305 | } | |
306 | if (LE.Extent() > 1) { | |
307 | //-------------------------------------------------------------- | |
0d969553 Y |
308 | // Several edges possible. |
309 | // - Test edges different from CE , Selection of edge | |
310 | // for which CV has U,V closer to the face | |
311 | // than corresponding to CE. | |
312 | // - If several edges give representation less than the tolerance. | |
313 | // discrimination on tangents. | |
7fd59977 | 314 | //-------------------------------------------------------------- |
315 | TopLoc_Location L; | |
316 | Standard_Real f,l; | |
317 | TopoDS_Face FForward = F; | |
318 | FForward.Orientation(TopAbs_FORWARD); | |
319 | ||
320 | Handle(Geom2d_Curve) C = BRep_Tool::CurveOnSurface(CE,FForward,f,l); | |
321 | Standard_Integer k = 1, kmin = 0; | |
322 | Standard_Real dist,distmin = 100*BRep_Tool::Tolerance(CV); | |
323 | Standard_Real u ; | |
324 | if (CE.Orientation () == TopAbs_FORWARD) u = l; | |
325 | else u = f; | |
326 | ||
327 | gp_Pnt2d P2,PV = C->Value(u); | |
328 | ||
329 | for ( itl.Initialize(LE); itl.More(); itl.Next()) { | |
330 | const TopoDS_Edge& E = TopoDS::Edge(itl.Value()); | |
331 | if (!E.IsSame(CE)) { | |
332 | C = BRep_Tool::CurveOnSurface(E,FForward,f,l); | |
333 | if (E.Orientation () == TopAbs_FORWARD) u = f; | |
334 | else u = l; | |
335 | P2 = C->Value(u); | |
336 | dist = PV.Distance(P2); | |
337 | if ( dist <= distmin) { | |
338 | kmin = k; | |
339 | distmin = dist; | |
340 | } | |
341 | } | |
342 | k++; | |
343 | } | |
344 | if (kmin == 0) return Standard_False; | |
345 | ||
346 | k = 1; itl.Initialize(LE); | |
347 | while (k < kmin) {k++; itl.Next();} | |
348 | NE = TopoDS::Edge(itl.Value()); | |
349 | LE.Remove(itl); | |
350 | } | |
351 | else if (LE.Extent() == 1) { | |
352 | NE = TopoDS::Edge(LE.First()); | |
353 | LE.RemoveFirst(); | |
354 | } | |
355 | else { | |
356 | return Standard_False; | |
357 | } | |
358 | #ifdef DRAW | |
359 | if (AffichLoop) { | |
360 | DBRep::Set("Selected",NE); | |
361 | } | |
362 | ||
363 | #endif | |
364 | return Standard_True; | |
365 | } | |
366 | //======================================================================= | |
367 | //function : Store | |
368 | //purpose : | |
369 | //======================================================================= | |
370 | ||
371 | static void PurgeNewEdges(TopTools_DataMapOfShapeListOfShape& NewEdges, | |
372 | const TopTools_MapOfShape& UsedEdges) | |
373 | { | |
374 | TopTools_DataMapIteratorOfDataMapOfShapeListOfShape it(NewEdges); | |
375 | for (; it.More(); it.Next()) { | |
376 | TopTools_ListOfShape& LNE = NewEdges.ChangeFind(it.Key()); | |
377 | TopTools_ListIteratorOfListOfShape itL(LNE); | |
378 | while (itL.More()) { | |
379 | const TopoDS_Shape& NE = itL.Value(); | |
380 | if (!UsedEdges.Contains(NE)) { | |
381 | LNE.Remove(itL); | |
382 | } | |
383 | else { | |
384 | itL.Next(); | |
385 | } | |
386 | } | |
387 | } | |
388 | ||
389 | } | |
390 | ||
391 | //======================================================================= | |
392 | //function : Store | |
393 | //purpose : | |
394 | //======================================================================= | |
395 | ||
396 | static void StoreInMVE (const TopoDS_Face& F, | |
397 | TopoDS_Edge& E, | |
398 | TopTools_DataMapOfShapeListOfShape& MVE, | |
399 | Standard_Boolean& YaCouture, | |
400 | TopTools_DataMapOfShapeShape& VerticesForSubstitute ) | |
401 | { | |
402 | TopoDS_Vertex V1, V2, V; | |
403 | TopTools_ListOfShape Empty; | |
404 | ||
405 | Standard_Real Tol = 0.001; //5.e-05; //5.e-07; | |
406 | // gp_Pnt P1, P2, P; | |
407 | gp_Pnt P1, P; | |
408 | TopTools_DataMapIteratorOfDataMapOfShapeListOfShape Mapit; | |
409 | BRep_Builder BB; | |
410 | for (Mapit.Initialize( MVE ); Mapit.More(); Mapit.Next()) | |
411 | { | |
412 | V = TopoDS::Vertex( Mapit.Key() ); | |
413 | P = BRep_Tool::Pnt( V ); | |
414 | TopTools_ListOfShape VList; | |
415 | TopoDS_Iterator VerExp( E ); | |
416 | for (; VerExp.More(); VerExp.Next()) | |
417 | VList.Append( VerExp.Value() ); | |
418 | TopTools_ListIteratorOfListOfShape itl( VList ); | |
419 | for (; itl.More(); itl.Next()) | |
420 | { | |
421 | V1 = TopoDS::Vertex( itl.Value() ); | |
422 | P1 = BRep_Tool::Pnt( V1 ); | |
423 | if (P.IsEqual( P1, Tol ) && !V.IsSame(V1)) | |
424 | { | |
425 | V.Orientation( V1.Orientation() ); | |
426 | if (VerticesForSubstitute.IsBound( V1 )) | |
427 | { | |
428 | TopoDS_Shape OldNewV = VerticesForSubstitute( V1 ); | |
429 | if (! OldNewV.IsSame( V )) | |
430 | { | |
431 | VerticesForSubstitute.Bind( OldNewV, V ); | |
432 | VerticesForSubstitute( V1 ) = V; | |
433 | } | |
434 | } | |
435 | else | |
436 | { | |
437 | if (VerticesForSubstitute.IsBound( V )) | |
438 | { | |
439 | TopoDS_Shape NewNewV = VerticesForSubstitute( V ); | |
440 | if (! NewNewV.IsSame( V1 )) | |
441 | VerticesForSubstitute.Bind( V1, NewNewV ); | |
442 | } | |
443 | else | |
444 | { | |
445 | VerticesForSubstitute.Bind( V1, V ); | |
446 | TopTools_DataMapIteratorOfDataMapOfShapeShape mapit( VerticesForSubstitute ); | |
447 | for (; mapit.More(); mapit.Next()) | |
448 | if (mapit.Value().IsSame( V1 )) | |
449 | VerticesForSubstitute( mapit.Key() ) = V; | |
450 | } | |
451 | } | |
452 | E.Free( Standard_True ); | |
453 | BB.Remove( E, V1 ); | |
454 | BB.Add( E, V ); | |
455 | } | |
456 | } | |
457 | } | |
458 | ||
459 | TopExp::Vertices(E,V1,V2); | |
460 | if( V1.IsNull() && V2.IsNull() ){ YaCouture = Standard_False; return; } | |
461 | if (!MVE.IsBound(V1)) { | |
462 | MVE.Bind(V1,Empty); | |
463 | } | |
464 | MVE(V1).Append(E); | |
465 | if (!V1.IsSame(V2)) { | |
466 | if (!MVE.IsBound(V2)) { | |
467 | MVE.Bind(V2,Empty); | |
468 | } | |
469 | MVE(V2).Append(E); | |
470 | } | |
471 | TopLoc_Location L ; | |
472 | Handle(Geom_Surface) S = BRep_Tool::Surface(F,L); | |
473 | if (BRep_Tool::IsClosed(E,S,L)) { | |
474 | MVE(V2).Append(E.Reversed()); | |
475 | if (!V1.IsSame(V2)) { | |
476 | MVE(V1).Append(E.Reversed()); | |
477 | } | |
478 | YaCouture = Standard_True; | |
479 | } | |
480 | } | |
481 | ||
482 | //======================================================================= | |
483 | //function : Perform | |
484 | //purpose : | |
485 | //======================================================================= | |
486 | ||
487 | void BRepAlgo_Loop::Perform() | |
488 | { | |
489 | TopTools_DataMapIteratorOfDataMapOfShapeListOfShape Mapit; | |
490 | TopTools_ListIteratorOfListOfShape itl; | |
491 | TopoDS_Vertex V1,V2; | |
492 | Standard_Boolean YaCouture = Standard_False; | |
493 | ||
494 | #ifdef DEB | |
495 | if (AffichLoop) { | |
496 | cout <<"NewLoop"<<endl; | |
497 | Standard_Integer NbEdges = 1; | |
498 | NbLoops++; | |
499 | #ifdef DRAW | |
500 | sprintf(name,"FLoop_%d",NbLoops); | |
501 | DBRep::Set(name,myFace); | |
502 | #endif | |
503 | for (Mapit.Initialize(myVerOnEdges); Mapit.More(); Mapit.Next()) { | |
504 | const TopoDS_Edge& E = TopoDS::Edge(Mapit.Key()); | |
505 | #ifdef DRAW | |
506 | sprintf(name,"EEE_%d_%d",NbLoops,NbEdges++); | |
507 | DBRep::Set(name,E); | |
508 | #endif | |
509 | } | |
510 | for (itl.Initialize(myConstEdges); itl.More(); itl.Next()) { | |
511 | const TopoDS_Edge& E = TopoDS::Edge(itl.Value()); | |
512 | #ifdef DRAW | |
513 | sprintf(name,"EEE_%d_%d",NbLoops,NbEdges++); | |
514 | DBRep::Set(name,E); | |
515 | #endif | |
516 | } | |
517 | } | |
518 | #endif | |
519 | ||
520 | //------------------------------------------------ | |
0d969553 | 521 | // Cut edges |
7fd59977 | 522 | //------------------------------------------------ |
523 | for (Mapit.Initialize(myVerOnEdges); Mapit.More(); Mapit.Next()) { | |
524 | TopTools_ListOfShape LCE; | |
525 | ||
526 | CutEdge (TopoDS::Edge(Mapit.Key()),Mapit.Value(), LCE); | |
527 | ||
528 | myNewEdges.Bind(Mapit.Key(),LCE); | |
529 | } | |
530 | //----------------------------------- | |
531 | // Construction map vertex => edges | |
532 | //----------------------------------- | |
533 | TopTools_DataMapOfShapeListOfShape MVE; | |
534 | ||
0d969553 | 535 | // add cut edges. |
7fd59977 | 536 | for (Mapit.Initialize(myNewEdges); Mapit.More(); Mapit.Next()) { |
537 | for (itl.Initialize(myNewEdges(Mapit.Key())); itl.More(); itl.Next()) { | |
538 | TopoDS_Edge& E = TopoDS::Edge(itl.Value()); | |
539 | StoreInMVE(myFace,E,MVE,YaCouture,myVerticesForSubstitute); | |
540 | } | |
541 | } | |
542 | ||
0d969553 Y |
543 | // add const edges |
544 | // Sewn edges can be doubled or not in myConstEdges | |
545 | // => call only once StoreInMVE which should double them | |
7fd59977 | 546 | TopTools_MapOfShape DejaVu; |
547 | for (itl.Initialize(myConstEdges); itl.More(); itl.Next()) { | |
548 | TopoDS_Edge& E = TopoDS::Edge(itl.Value()); | |
549 | if (DejaVu.Add(E)) | |
550 | StoreInMVE(myFace,E,MVE,YaCouture,myVerticesForSubstitute); | |
551 | } | |
552 | ||
553 | #ifdef DRAW | |
554 | if (AffichLoop) { | |
555 | cout <<"NewLoop"<<endl; | |
556 | Standard_Integer NbEdges = 1; | |
557 | TopTools_MapOfShape Done; | |
558 | for (Mapit.Initialize(MVE); Mapit.More();Mapit.Next()) { | |
559 | for (itl.Initialize(Mapit.Value()); itl.More(); itl.Next()) { | |
560 | TopoDS_Edge& E = TopoDS::Edge(itl.Value()); | |
561 | if (Done.Add(E)) { | |
562 | sprintf(name,"EEC_%d_%d",NbLoops,NbEdges++); | |
563 | DBRep::Set(name,E); | |
564 | } | |
565 | } | |
566 | } | |
567 | } | |
568 | #endif | |
569 | ||
570 | //----------------------------------------------- | |
0d969553 | 571 | // Construction of wires and new faces. |
7fd59977 | 572 | //---------------------------------------------- |
573 | TopoDS_Vertex VF,VL,CV; | |
574 | TopoDS_Edge CE,NE,EF; | |
575 | BRep_Builder B; | |
576 | TopoDS_Wire NW; | |
577 | Standard_Boolean End; | |
578 | ||
579 | TopTools_MapOfShape UsedEdges; | |
580 | ||
581 | while (!MVE.IsEmpty()) { | |
582 | B.MakeWire(NW); | |
583 | //-------------------------------- | |
0d969553 | 584 | // Removal of hanging edges. |
7fd59977 | 585 | //-------------------------------- |
586 | RemovePendingEdges(MVE); | |
587 | ||
588 | if (MVE.IsEmpty()) break; | |
589 | //-------------------------------- | |
0d969553 | 590 | // Start edge. |
7fd59977 | 591 | //-------------------------------- |
592 | Mapit.Initialize(MVE); | |
593 | EF = CE = TopoDS::Edge(Mapit.Value().First()); | |
594 | TopExp::Vertices(CE,V1,V2); | |
595 | //-------------------------------- | |
0d969553 | 596 | // VF vertex start of new wire |
7fd59977 | 597 | //-------------------------------- |
598 | if (CE.Orientation() == TopAbs_FORWARD) { CV = VF = V1;} | |
599 | else { CV = VF = V2;} | |
600 | if (!MVE.IsBound(CV)) continue; | |
601 | for ( itl.Initialize(MVE(CV)); itl.More(); itl.Next()) { | |
602 | if (itl.Value().IsEqual(CE)) { | |
603 | MVE(CV).Remove(itl); | |
604 | break; | |
605 | } | |
606 | } | |
607 | End = Standard_False; | |
608 | ||
609 | while (!End) { | |
610 | //------------------------------- | |
0d969553 | 611 | // Construction of a wire. |
7fd59977 | 612 | //------------------------------- |
613 | TopExp::Vertices(CE,V1,V2); | |
614 | if (!CV.IsSame(V1)) CV = V1; else CV = V2; | |
615 | ||
616 | B.Add (NW,CE); | |
617 | UsedEdges.Add(CE); | |
618 | ||
619 | if (!MVE.IsBound(CV) || MVE(CV).IsEmpty()) { | |
620 | End = Standard_True; | |
621 | } | |
622 | else { | |
623 | End = !SelectEdge(myFace,CE,CV,NE,MVE(CV)); | |
624 | if (!End) { | |
625 | CE = NE; | |
626 | if (MVE(CV).IsEmpty()) MVE.UnBind(CV); | |
627 | } | |
628 | } | |
629 | } | |
630 | //-------------------------------------------------- | |
0d969553 | 631 | // Add new wire to the set of wires |
7fd59977 | 632 | //------------------------------------------------ |
633 | Standard_Real Tol = 0.001; //5.e-05; //5.e-07; | |
634 | TopExp_Explorer explo( NW, TopAbs_VERTEX ); | |
635 | for (; explo.More(); explo.Next()) | |
636 | { | |
637 | const TopoDS_Vertex& aV = TopoDS::Vertex( explo.Current() ); | |
638 | Handle(BRep_TVertex)& TV = *((Handle(BRep_TVertex)*) &(aV).TShape()); | |
639 | TV->Tolerance( Tol ); | |
640 | TV->Modified( Standard_True ); | |
641 | } | |
642 | for (explo.Init( NW, TopAbs_EDGE ); explo.More(); explo.Next()) | |
643 | { | |
644 | const TopoDS_Edge& aE = TopoDS::Edge( explo.Current() ); | |
645 | Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*) &(aE).TShape()); | |
646 | TE->Tolerance( Tol ); | |
647 | TE->Modified( Standard_True ); | |
648 | } | |
649 | ||
650 | if (VF.IsSame(CV) && SamePnt2d(VF,EF,CE,myFace)) | |
651 | myNewWires.Append (NW); | |
652 | else { | |
653 | #ifdef DEB | |
654 | cout <<"BRepAlgo_Loop: Open Wire"<<endl; | |
655 | if (AffichLoop) | |
656 | cout << "OpenWire is : NW_"<<NbLoops<<"_"<<NbWires<<endl; | |
657 | #endif | |
658 | } | |
659 | #ifdef DRAW | |
660 | if (AffichLoop) { | |
661 | sprintf(name,"NW_%d_%d",NbLoops,NbWires++); | |
662 | DBRep::Set(name,NW); | |
663 | } | |
664 | #endif | |
665 | } | |
666 | ||
667 | PurgeNewEdges(myNewEdges,UsedEdges); | |
668 | } | |
669 | ||
670 | //======================================================================= | |
671 | //function : CutEdges | |
672 | //purpose : | |
673 | //======================================================================= | |
674 | ||
675 | void BRepAlgo_Loop::CutEdge (const TopoDS_Edge& E, | |
676 | const TopTools_ListOfShape& VOnE, | |
677 | TopTools_ListOfShape& NE ) const | |
678 | { | |
679 | TopoDS_Shape aLocalE = E.Oriented(TopAbs_FORWARD); | |
680 | TopoDS_Edge WE = TopoDS::Edge(aLocalE); | |
681 | // TopoDS_Edge WE = TopoDS::Edge(E.Oriented(TopAbs_FORWARD)); | |
682 | ||
683 | Standard_Real U1,U2; | |
684 | TopoDS_Vertex V1,V2; | |
685 | TopTools_SequenceOfShape SV; | |
686 | TopTools_ListIteratorOfListOfShape it(VOnE); | |
687 | BRep_Builder B; | |
688 | ||
689 | for ( ; it.More(); it.Next()) { | |
690 | SV.Append(it.Value()); | |
691 | } | |
692 | //-------------------------------- | |
0d969553 | 693 | // Parse vertices on the edge. |
7fd59977 | 694 | //-------------------------------- |
695 | Bubble (WE,SV); | |
696 | ||
697 | Standard_Integer NbVer = SV.Length(); | |
698 | //---------------------------------------------------------------- | |
0d969553 Y |
699 | // Construction of new edges. |
700 | // Note : vertices at the extremities of edges are not | |
701 | // onligatorily in the list of vertices | |
7fd59977 | 702 | //---------------------------------------------------------------- |
703 | if (SV.IsEmpty()) { | |
704 | NE.Append(E); | |
705 | return; | |
706 | } | |
707 | TopoDS_Vertex VF,VL; | |
708 | Standard_Real f,l; | |
709 | BRep_Tool::Range(WE,f,l); | |
710 | TopExp::Vertices(WE,VF,VL); | |
711 | ||
712 | if (NbVer == 2) { | |
713 | if (SV(1).IsEqual(VF) && SV(2).IsEqual(VL)) { | |
714 | NE.Append(E); | |
715 | #ifdef DRAW | |
716 | if (AffichLoop) { | |
717 | DBRep::Set("ECOpied",E); | |
718 | } | |
719 | #endif | |
720 | return; | |
721 | } | |
722 | } | |
723 | //---------------------------------------------------- | |
0d969553 Y |
724 | // Processing of closed edges |
725 | // If a vertex of intersection is on the common vertex | |
726 | // it should appear at the beginning and end of SV. | |
7fd59977 | 727 | //---------------------------------------------------- |
728 | TopoDS_Vertex VCEI; | |
729 | if (!VF.IsNull() && VF.IsSame(VL)) { | |
730 | VCEI = UpdateClosedEdge(WE,SV); | |
731 | if (!VCEI.IsNull()) { | |
732 | TopoDS_Shape aLocalV = VCEI.Oriented(TopAbs_FORWARD); | |
733 | VF = TopoDS::Vertex(aLocalV); | |
734 | aLocalV = VCEI.Oriented(TopAbs_REVERSED); | |
735 | VL = TopoDS::Vertex(aLocalV); | |
736 | // VF = TopoDS::Vertex(VCEI.Oriented(TopAbs_FORWARD)); | |
737 | // VL = TopoDS::Vertex(VCEI.Oriented(TopAbs_REVERSED)); | |
738 | } | |
739 | SV.Prepend(VF); | |
740 | SV.Append(VL); | |
741 | } | |
742 | else { | |
743 | //----------------------------------------- | |
0d969553 | 744 | // Eventually all extremities of the edge. |
7fd59977 | 745 | //----------------------------------------- |
746 | if (!VF.IsNull() && !VF.IsSame(SV.First())) SV.Prepend(VF); | |
747 | if (!VL.IsNull() && !VL.IsSame(SV.Last ())) SV.Append (VL); | |
748 | } | |
749 | ||
750 | while (!SV.IsEmpty()) { | |
751 | while (!SV.IsEmpty() && | |
752 | SV.First().Orientation() != TopAbs_FORWARD) { | |
753 | SV.Remove(1); | |
754 | } | |
755 | if (SV.IsEmpty()) | |
756 | break; | |
757 | V1 = TopoDS::Vertex(SV.First()); | |
758 | SV.Remove(1); | |
759 | if (SV.IsEmpty()) | |
760 | break; | |
761 | if (SV.First().Orientation() == TopAbs_REVERSED) { | |
762 | V2 = TopoDS::Vertex(SV.First()); | |
763 | SV.Remove(1); | |
764 | //------------------------------------------- | |
0d969553 | 765 | // Copy the edge and restriction by V1 V2. |
7fd59977 | 766 | //------------------------------------------- |
767 | TopoDS_Shape NewEdge = WE.EmptyCopied(); | |
768 | TopoDS_Shape aLocalEdge = V1.Oriented(TopAbs_FORWARD); | |
769 | B.Add (NewEdge,aLocalEdge); | |
770 | aLocalEdge = V2.Oriented(TopAbs_REVERSED); | |
771 | B.Add (TopoDS::Edge(NewEdge),aLocalEdge); | |
772 | // B.Add (NewEdge,V1.Oriented(TopAbs_FORWARD)); | |
773 | // B.Add (NewEdge,V2.Oriented(TopAbs_REVERSED)); | |
774 | if (V1.IsSame(VF)) | |
775 | U1 = f; | |
776 | else | |
777 | // U1=BRep_Tool::Parameter | |
778 | // (TopoDS::Vertex(V1.Oriented(TopAbs_INTERNAL)),WE); | |
779 | { | |
780 | TopoDS_Shape aLocalV = V1.Oriented(TopAbs_INTERNAL); | |
781 | U1=BRep_Tool::Parameter(TopoDS::Vertex(aLocalV),WE); | |
782 | } | |
783 | if (V2.IsSame(VL)) | |
784 | U2 = l; | |
785 | else | |
786 | { | |
787 | TopoDS_Shape aLocalV = V2.Oriented(TopAbs_INTERNAL); | |
788 | U2=BRep_Tool::Parameter(TopoDS::Vertex(aLocalV),WE); | |
789 | // U2=BRep_Tool::Parameter | |
790 | // (TopoDS::Vertex(V2.Oriented(TopAbs_INTERNAL)),WE); | |
791 | } | |
792 | B.Range (TopoDS::Edge(NewEdge),U1,U2); | |
793 | #ifdef DRAW | |
794 | if (AffichLoop) { | |
795 | DBRep::Set("Cut",NewEdge); | |
796 | } | |
797 | #endif | |
798 | NE.Append(NewEdge.Oriented(E.Orientation())); | |
799 | } | |
800 | } | |
801 | ||
802 | //Remove edges with size <= tolerance | |
803 | Standard_Real Tol = 0.001; //5.e-05; //5.e-07; | |
804 | it.Initialize(NE); | |
805 | while (it.More()) | |
806 | { | |
807 | // skl : I change "E" to "EE" | |
808 | TopoDS_Edge EE = TopoDS::Edge( it.Value() ); | |
809 | Standard_Real fpar, lpar; | |
810 | BRep_Tool::Range( EE, fpar, lpar ); | |
811 | if (lpar - fpar <= Precision::Confusion()) | |
812 | NE.Remove(it); | |
813 | else | |
814 | { | |
815 | gp_Pnt2d pf, pl; | |
816 | BRep_Tool::UVPoints( EE, myFace, pf, pl ); | |
817 | if (pf.Distance(pl) <= Tol && !EE.Closed()) | |
818 | NE.Remove(it); | |
819 | else | |
820 | it.Next(); | |
821 | } | |
822 | } | |
823 | } | |
824 | ||
825 | //======================================================================= | |
826 | //function : NewWires | |
827 | //purpose : | |
828 | //======================================================================= | |
829 | ||
830 | const TopTools_ListOfShape& BRepAlgo_Loop::NewWires() const | |
831 | { | |
832 | return myNewWires; | |
833 | } | |
834 | ||
835 | //======================================================================= | |
836 | //function : NewFaces | |
837 | //purpose : | |
838 | //======================================================================= | |
839 | ||
840 | const TopTools_ListOfShape& BRepAlgo_Loop::NewFaces() const | |
841 | { | |
842 | return myNewFaces; | |
843 | } | |
844 | ||
845 | //======================================================================= | |
846 | //function : WiresToFaces | |
847 | //purpose : | |
848 | //======================================================================= | |
849 | ||
850 | void BRepAlgo_Loop::WiresToFaces() | |
851 | { | |
852 | if (!myNewWires.IsEmpty()) { | |
853 | BRepAlgo_FaceRestrictor FR; | |
854 | TopoDS_Shape aLocalS = myFace.Oriented(TopAbs_FORWARD); | |
855 | FR.Init (TopoDS::Face(aLocalS),Standard_False); | |
856 | // FR.Init (TopoDS::Face(myFace.Oriented(TopAbs_FORWARD)), | |
857 | // Standard_False); | |
858 | TopTools_ListIteratorOfListOfShape it(myNewWires); | |
859 | for (; it.More(); it.Next()) { | |
860 | FR.Add(TopoDS::Wire(it.Value())); | |
861 | } | |
862 | ||
863 | FR.Perform(); | |
864 | ||
865 | if (FR.IsDone()) { | |
866 | TopAbs_Orientation OriF = myFace.Orientation(); | |
867 | for (; FR.More(); FR.Next()) { | |
868 | myNewFaces.Append(FR.Current().Oriented(OriF)); | |
869 | } | |
870 | } | |
871 | } | |
872 | } | |
873 | ||
874 | ||
875 | //======================================================================= | |
876 | //function : NewEdges | |
877 | //purpose : | |
878 | //======================================================================= | |
879 | ||
880 | const TopTools_ListOfShape& BRepAlgo_Loop::NewEdges(const TopoDS_Edge& E) const | |
881 | { | |
882 | return myNewEdges(E); | |
883 | } | |
884 | ||
885 | //======================================================================= | |
886 | //function : GetVerticesForSubstitute | |
887 | //purpose : | |
888 | //======================================================================= | |
889 | ||
890 | void BRepAlgo_Loop::GetVerticesForSubstitute( TopTools_DataMapOfShapeShape& VerVerMap ) const | |
891 | { | |
892 | VerVerMap = myVerticesForSubstitute; | |
893 | } | |
894 | //======================================================================= | |
895 | //function : VerticesForSubstitute | |
896 | //purpose : | |
897 | //======================================================================= | |
898 | ||
899 | void BRepAlgo_Loop::VerticesForSubstitute( TopTools_DataMapOfShapeShape& VerVerMap ) | |
900 | { | |
901 | myVerticesForSubstitute = VerVerMap; | |
902 | } |