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1 | // Created on: 1994-08-25 |
2 | // Created by: Jacques GOUSSARD |
3 | // Copyright (c) 1994-1999 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 under |
9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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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 | |
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17 | // IFV 04.06.99 - PRO18974 - processing of INTERNAL shapes. |
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18 | |
19 | #include <BRepTools_Modifier.ixx> |
20 | |
21 | #include <TopoDS_Iterator.hxx> |
22 | #include <TopoDS_Vertex.hxx> |
23 | #include <TopoDS_Edge.hxx> |
24 | #include <TopoDS_Face.hxx> |
25 | #include <TopoDS_Shape.hxx> |
26 | #include <TopExp_Explorer.hxx> |
27 | #include <TopTools_DataMapIteratorOfDataMapOfShapeShape.hxx> |
28 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> |
29 | #include <TopTools_ListOfShape.hxx> |
30 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
31 | #include <TColStd_ListOfTransient.hxx> |
32 | #include <TColStd_ListIteratorOfListOfTransient.hxx> |
33 | |
34 | #if 0 |
35 | #include <Poly_Triangulation.hxx> |
36 | #include <Poly_Polygon3D.hxx> |
37 | #include <BRepMesh_IncrementalMesh.hxx> |
38 | #endif |
39 | |
40 | #include <Geom2d_Line.hxx> |
41 | #include <BRep_Builder.hxx> |
42 | #include <BRep_Tool.hxx> |
43 | #include <TopoDS.hxx> |
44 | #include <BRepTools.hxx> |
45 | #include <TopAbs.hxx> |
46 | #include <TopExp.hxx> |
47 | #include <gp_Pnt.hxx> |
48 | |
49 | #include <gp.hxx> |
50 | |
51 | #include <Standard_NullObject.hxx> |
52 | #include <gp_Trsf.hxx> |
53 | #include <BRepTools_TrsfModification.hxx> |
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54 | #include <Message_ProgressSentry.hxx> |
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55 | #include <Geom_Surface.hxx> |
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56 | |
57 | |
58 | //======================================================================= |
59 | //function : BRepTools_Modifier |
60 | //purpose : |
61 | //======================================================================= |
62 | |
63 | BRepTools_Modifier::BRepTools_Modifier ():myDone(Standard_False) |
64 | {} |
65 | |
66 | //======================================================================= |
67 | //function : BRepTools_Modifier |
68 | //purpose : |
69 | //======================================================================= |
70 | |
71 | BRepTools_Modifier::BRepTools_Modifier (const TopoDS_Shape& S) : |
72 | myShape(S),myDone(Standard_False) |
73 | { |
74 | myMap.Clear(); |
75 | Put(S); |
76 | } |
77 | |
78 | //======================================================================= |
79 | //function : BRepTools_Modifier |
80 | //purpose : |
81 | //======================================================================= |
82 | |
83 | BRepTools_Modifier::BRepTools_Modifier |
84 | (const TopoDS_Shape& S, |
85 | const Handle(BRepTools_Modification)& M) : myShape(S),myDone(Standard_False) |
86 | { |
87 | myMap.Clear(); |
88 | Put(S); |
89 | Perform(M); |
90 | } |
91 | |
92 | |
93 | //======================================================================= |
94 | //function : Init |
95 | //purpose : |
96 | //======================================================================= |
97 | |
98 | void BRepTools_Modifier::Init(const TopoDS_Shape& S) |
99 | { |
100 | myShape = S; |
101 | myDone = Standard_False; |
102 | myMap.Clear(); |
103 | Put(S); |
104 | } |
105 | |
106 | |
107 | //======================================================================= |
108 | //function : Perform |
109 | //purpose : |
110 | //======================================================================= |
111 | |
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112 | void BRepTools_Modifier::Perform(const Handle(BRepTools_Modification)& M, const Handle(Message_ProgressIndicator) & aProgress) |
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113 | { |
114 | if (myShape.IsNull()) { |
115 | Standard_NullObject::Raise(); |
116 | } |
117 | TopTools_DataMapIteratorOfDataMapOfShapeShape theIter(myMap); |
118 | |
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119 | // Set to Null the value of shapes, in case when another modification is applied to the start shape. |
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120 | |
121 | if (!theIter.Value().IsNull()) { |
122 | while (theIter.More()) { |
123 | myMap(theIter.Value()).Nullify(); |
124 | theIter.Next(); |
125 | } |
126 | theIter.Reset(); |
127 | } |
128 | |
129 | /* |
130 | while (theIter.More()) { |
131 | Rebuild(theIter.Key(),M); |
132 | theIter.Next(); |
133 | } |
134 | */ |
135 | |
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136 | Message_ProgressSentry aPSentry(aProgress, "Converting Shape", 0, 2, 1); |
137 | |
138 | Rebuild(myShape, M, aProgress); |
139 | |
140 | if (!aPSentry.More()) |
141 | { |
142 | // The processing was broken |
143 | return; |
144 | } |
145 | |
146 | aPSentry.Next(); |
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147 | |
148 | if (myShape.ShapeType() == TopAbs_FACE) { |
149 | if (myShape.Orientation() == TopAbs_REVERSED) { |
150 | myMap(myShape).Reverse(); |
151 | } |
152 | else{ |
153 | myMap(myShape).Orientation(myShape.Orientation()); |
154 | } |
155 | } |
156 | else { |
157 | myMap(myShape).Orientation(myShape.Orientation()); |
158 | } |
159 | |
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160 | // Update the continuities |
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161 | |
162 | TopTools_IndexedDataMapOfShapeListOfShape theEFMap; |
163 | TopExp::MapShapesAndAncestors(myShape,TopAbs_EDGE,TopAbs_FACE,theEFMap); |
164 | BRep_Builder B; |
165 | |
166 | /* |
167 | Standard_Boolean RecomputeTriangles = Standard_False; |
168 | Standard_Real MaxDeflection = RealFirst(); |
169 | Handle(Poly_Triangulation) Tr; |
170 | Handle(Poly_Polygon3D) Po; |
171 | TopLoc_Location Loc; |
172 | */ |
173 | |
174 | while (theIter.More()) { |
175 | const TopoDS_Shape& S = theIter.Key(); |
176 | /* |
177 | if (S.ShapeType() == TopAbs_FACE && !S.IsSame(theIter.Value())) { |
178 | Tr = BRep_Tool::Triangulation(TopoDS::Face(S),Loc); |
179 | if (!Tr.IsNull()) { |
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180 | RecomputeTriangles = Standard_True; |
181 | MaxDeflection = Max(MaxDeflection,Tr->Deflection()); |
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182 | } |
183 | } |
184 | else */ if (S.ShapeType() == TopAbs_EDGE && !S.IsSame(theIter.Value())) { |
185 | const TopoDS_Edge& edg = TopoDS::Edge(S); |
186 | /* |
187 | Po = BRep_Tool::Polygon3D(edg,Loc); |
188 | if (!Po.IsNull()) { |
189 | RecomputeTriangles = Standard_True; |
190 | MaxDeflection = Max(MaxDeflection,Po->Deflection()); |
191 | } |
192 | */ |
193 | TopTools_ListIteratorOfListOfShape it; |
194 | it.Initialize(theEFMap.FindFromKey(edg)); |
195 | TopoDS_Face F1,F2; |
196 | while (it.More() && F2.IsNull()) { |
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197 | if (F1.IsNull()) { |
198 | F1 = TopoDS::Face(it.Value()); |
199 | } |
200 | else { |
201 | F2 = TopoDS::Face(it.Value()); |
202 | } |
203 | it.Next(); |
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204 | } |
205 | if (!F2.IsNull()) { |
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206 | const TopoDS_Edge& newedg = TopoDS::Edge(myMap(edg)); |
207 | const TopoDS_Face& newf1 = TopoDS::Face(myMap(F1)); |
208 | const TopoDS_Face& newf2 = TopoDS::Face(myMap(F2)); |
209 | GeomAbs_Shape Newcont = M->Continuity(edg,F1,F2,newedg,newf1,newf2); |
210 | if (Newcont > GeomAbs_C0) { |
211 | B.Continuity(newedg,newf1,newf2,Newcont); |
212 | } |
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213 | } |
214 | } |
215 | theIter.Next(); |
216 | } |
217 | /* |
218 | if (RecomputeTriangles) { |
219 | BRepMesh_IncrementalMesh(myMap(myShape),MaxDeflection); |
220 | } |
221 | */ |
222 | |
223 | myDone = Standard_True; |
224 | |
225 | } |
226 | |
227 | //======================================================================= |
228 | //function : Put |
229 | //purpose : |
230 | //======================================================================= |
231 | |
232 | void BRepTools_Modifier::Put(const TopoDS_Shape& S) |
233 | { |
234 | if (!myMap.IsBound(S)) { |
235 | myMap.Bind(S,TopoDS_Shape()); |
236 | for(TopoDS_Iterator theIterator(S,Standard_False);theIterator.More();theIterator.Next()) { |
237 | |
238 | Put(theIterator.Value()); |
239 | } |
240 | } |
241 | } |
242 | |
243 | //======================================================================= |
244 | //function : Rebuild |
245 | //purpose : |
246 | //======================================================================= |
247 | |
248 | Standard_Boolean BRepTools_Modifier::Rebuild |
249 | (const TopoDS_Shape& S, |
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250 | const Handle(BRepTools_Modification)& M, |
251 | const Handle(Message_ProgressIndicator)& aProgress) |
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252 | { |
253 | TopoDS_Shape& result = myMap(S); |
254 | // if (!result.IsNull()) return ! S.IsEqual(result); |
255 | if (!result.IsNull()) return ! S.IsSame(result); |
256 | Standard_Boolean rebuild = Standard_False, RevWires = Standard_False; |
257 | TopAbs_Orientation ResOr = TopAbs_FORWARD; |
258 | BRep_Builder B; |
259 | Standard_Real tol; |
260 | Standard_Boolean No3DCurve = Standard_False; // en fait, si on n`a pas de |
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261 | //modif geometry 3d , it is necessary to test the existence of a curve 3d. |
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262 | |
263 | // new geometry ? |
264 | |
265 | TopAbs_ShapeEnum ts = S.ShapeType(); |
266 | switch (ts) { |
267 | case TopAbs_FACE: |
268 | { |
269 | Standard_Boolean RevFace; |
270 | Handle(Geom_Surface) surface; |
271 | TopLoc_Location location; |
272 | rebuild = M->NewSurface(TopoDS::Face(S),surface,location,tol, |
273 | RevWires,RevFace); |
274 | if (rebuild) { |
275 | B.MakeFace(TopoDS::Face(result),surface, |
276 | location.Predivided(S.Location()),tol); |
277 | result.Location(S.Location()); |
278 | // result.Orientation(S.Orientation()); |
279 | if (RevFace) { |
280 | ResOr = TopAbs_REVERSED; |
281 | } |
282 | // set specifics flags of a Face |
283 | B.NaturalRestriction(TopoDS::Face(result), |
284 | BRep_Tool::NaturalRestriction(TopoDS::Face(S))); |
285 | } |
286 | } |
287 | break; |
288 | |
289 | case TopAbs_EDGE: |
290 | { |
291 | Handle(Geom_Curve) curve; |
292 | TopLoc_Location location; |
293 | rebuild = M->NewCurve(TopoDS::Edge(S),curve,location,tol); |
294 | if (rebuild) { |
295 | if (curve.IsNull()) { |
296 | B.MakeEdge(TopoDS::Edge(result)); |
297 | B.Degenerated(TopoDS::Edge(result), |
298 | BRep_Tool::Degenerated(TopoDS::Edge(S))); |
299 | B.UpdateEdge(TopoDS::Edge(result),tol); //OCC217 |
300 | No3DCurve = Standard_True; |
301 | } |
302 | else { |
303 | B.MakeEdge(TopoDS::Edge(result),curve, |
304 | location.Predivided(S.Location()),tol); |
305 | No3DCurve = Standard_False; |
306 | } |
307 | result.Location(S.Location()); |
308 | // result.Orientation(S.Orientation()); |
309 | |
310 | // set specifics flags of an Edge |
311 | B.SameParameter(TopoDS::Edge(result), |
312 | BRep_Tool::SameParameter(TopoDS::Edge(S))); |
313 | B.SameRange(TopoDS::Edge(result), |
314 | BRep_Tool::SameRange(TopoDS::Edge(S))); |
315 | } |
316 | } |
317 | break; |
318 | |
319 | case TopAbs_VERTEX: |
320 | { |
321 | gp_Pnt vtx; |
322 | rebuild = M->NewPoint(TopoDS::Vertex(S),vtx,tol); |
323 | if (rebuild) { |
324 | B.MakeVertex(TopoDS::Vertex(result),vtx,tol); |
325 | } |
326 | } |
327 | break; |
328 | |
329 | default: |
330 | { |
331 | } |
332 | } |
333 | |
334 | // rebuild sub-shapes and test new sub-shape ? |
335 | |
336 | Standard_Boolean newgeom = rebuild; |
337 | |
338 | TopoDS_Iterator it; |
339 | |
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340 | { |
341 | Standard_Integer aShapeCount = 0; |
342 | { |
343 | for (it.Initialize(S, Standard_False); it.More(); it.Next()) ++aShapeCount; |
344 | } |
345 | |
346 | Message_ProgressSentry aPSentry(aProgress, "Converting SubShapes", 0, aShapeCount, 1); |
347 | // |
348 | for (it.Initialize(S, Standard_False); it.More() && aPSentry.More(); it.Next(), aPSentry.Next()) { |
349 | // always call Rebuild |
350 | Standard_Boolean subrebuilt = Rebuild(it.Value(), M, aProgress); |
351 | rebuild = subrebuilt || rebuild ; |
352 | } |
353 | if (!aPSentry.More()) |
354 | { |
355 | // The processing was broken |
356 | return Standard_False; |
357 | } |
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358 | } |
359 | |
360 | // make an empty copy |
361 | if (rebuild && !newgeom) { |
362 | result = S.EmptyCopied(); |
363 | result.Orientation(TopAbs_FORWARD); |
364 | } |
365 | |
366 | // copy the sub-elements |
367 | |
368 | if (rebuild) { |
369 | TopAbs_Orientation orient; |
370 | for (it.Initialize(S,Standard_False); it.More(); it.Next()) { |
371 | orient = it.Value().Orientation(); |
372 | if (RevWires || myMap(it.Value()).Orientation() == TopAbs_REVERSED) { |
373 | orient = TopAbs::Reverse(orient); |
374 | } |
375 | B.Add(result,myMap(it.Value()).Oriented(orient)); |
376 | } |
377 | |
378 | |
379 | if (ts == TopAbs_FACE) { |
380 | // pcurves |
381 | Handle(Geom2d_Curve) curve2d; //,curve2d1; |
382 | TopoDS_Face face = TopoDS::Face(S); |
383 | TopAbs_Orientation fcor = face.Orientation(); |
384 | if(fcor != TopAbs_REVERSED) fcor = TopAbs_FORWARD; |
385 | |
386 | TopExp_Explorer ex(face.Oriented(fcor),TopAbs_EDGE); |
387 | for (;ex.More(); ex.Next()) |
388 | { |
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389 | const TopoDS_Edge& edge = TopoDS::Edge(ex.Current()); |
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390 | |
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391 | if (M->NewCurve2d(edge, face, TopoDS::Edge(myMap(ex.Current())), TopoDS::Face(result), curve2d, tol)) |
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392 | { |
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393 | // rem dub 16/09/97 : Make constant topology or not make at all. |
394 | // Do not make if CopySurface = 1 |
395 | // Atention, TRUE sewing edges (RealyClosed) |
396 | // stay even if CopySurface is true. |
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397 | |
398 | // check that edge contains two pcurves on this surface: |
399 | // either it is true seam on the current face, or belongs to two faces |
400 | // built on that same surface (see OCC21772) |
401 | // Note: this check could be made separate method in BRepTools |
402 | Standard_Boolean isClosed = Standard_False; |
403 | if(BRep_Tool::IsClosed(edge,face)) |
404 | { |
405 | isClosed = ( ! newgeom || BRepTools::IsReallyClosed(edge,face) ); |
406 | if ( ! isClosed ) |
407 | { |
408 | TopLoc_Location aLoc; |
409 | TopoDS_Shape resface = (myMap.IsBound(face) ? myMap(face) : face); |
410 | if(resface.IsNull()) |
411 | resface = face; |
412 | Handle(Geom_Surface) aSurf = BRep_Tool::Surface(TopoDS::Face(resface), aLoc); |
413 | // check other faces sharing the same surface |
414 | TopExp_Explorer aExpF(myShape,TopAbs_FACE); |
415 | for( ; aExpF.More() && !isClosed; aExpF.Next()) |
416 | { |
417 | TopoDS_Face anOther = TopoDS::Face(aExpF.Current()); |
418 | if(anOther.IsSame(face)) |
419 | continue; |
420 | TopoDS_Shape resface2 = (myMap.IsBound(anOther) ? myMap(anOther) : anOther); |
421 | if(resface2.IsNull()) |
422 | resface2 = anOther; |
423 | TopLoc_Location anOtherLoc; |
424 | Handle(Geom_Surface) anOtherSurf = |
425 | BRep_Tool::Surface(TopoDS::Face(resface2), anOtherLoc); |
426 | if ( aSurf == anOtherSurf && aLoc.IsEqual (anOtherLoc) ) |
427 | { |
428 | TopExp_Explorer aExpE(anOther,TopAbs_EDGE); |
429 | for( ; aExpE.More() && !isClosed ; aExpE.Next()) |
430 | isClosed = edge.IsSame(aExpE.Current()); |
431 | } |
432 | } |
433 | } |
434 | } |
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435 | if (isClosed) |
436 | { |
437 | TopoDS_Edge CurE = TopoDS::Edge(myMap(edge)); |
438 | TopoDS_Shape aLocalResult = result; |
439 | aLocalResult.Orientation(TopAbs_FORWARD); |
440 | TopoDS_Face CurF = TopoDS::Face(aLocalResult); |
441 | Handle(Geom2d_Curve) curve2d1, currcurv; |
442 | Standard_Real f,l; |
443 | if ((!RevWires && fcor != edge.Orientation()) || |
444 | ( RevWires && fcor == edge.Orientation())) { |
445 | CurE.Orientation(TopAbs_FORWARD); |
446 | curve2d1 = BRep_Tool::CurveOnSurface(CurE,CurF,f,l); |
447 | if (curve2d1.IsNull()) curve2d1 = new Geom2d_Line(gp::OX2d()); |
448 | B.UpdateEdge (CurE, curve2d1, curve2d, CurF, 0.); |
449 | } |
450 | else { |
451 | CurE.Orientation(TopAbs_REVERSED); |
452 | curve2d1 = BRep_Tool::CurveOnSurface(CurE,CurF,f,l); |
453 | if (curve2d1.IsNull()) curve2d1 = new Geom2d_Line(gp::OX2d()); |
454 | B.UpdateEdge (CurE, curve2d, curve2d1, CurF, 0.); |
455 | } |
456 | currcurv = BRep_Tool::CurveOnSurface(edge,face,f,l); |
457 | B.Range(edge,f,l); |
458 | } |
459 | else { |
460 | B.UpdateEdge(TopoDS::Edge(myMap(ex.Current())), |
461 | curve2d, |
462 | TopoDS::Face(result), 0.); |
463 | } |
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464 | |
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465 | TopLoc_Location theLoc; |
466 | Standard_Real theF,theL; |
467 | Handle(Geom_Curve) C3D = BRep_Tool::Curve(TopoDS::Edge(myMap(ex.Current())), theLoc, theF, theL); |
468 | if (C3D.IsNull()) { // Update vertices |
469 | Standard_Real param; |
470 | TopExp_Explorer ex2(edge,TopAbs_VERTEX); |
471 | while (ex2.More()) { |
472 | const TopoDS_Vertex& vertex = TopoDS::Vertex(ex2.Current()); |
473 | if (!M->NewParameter(vertex, edge, param, tol)) { |
474 | tol = BRep_Tool::Tolerance(vertex); |
475 | param = BRep_Tool::Parameter(vertex,edge); |
476 | } |
477 | |
478 | TopAbs_Orientation vtxrelat = vertex.Orientation(); |
479 | if (edge.Orientation() == TopAbs_REVERSED) { |
480 | // Update considere l'edge FORWARD, et le vertex en relatif |
481 | vtxrelat= TopAbs::Reverse(vtxrelat); |
482 | } |
483 | //if (myMap(edge).Orientation() == TopAbs_REVERSED) { |
484 | // vtxrelat= TopAbs::Reverse(vtxrelat); |
485 | //} |
486 | |
487 | TopoDS_Vertex aLocalVertex = TopoDS::Vertex(myMap(vertex)); |
488 | aLocalVertex.Orientation(vtxrelat); |
489 | //B.UpdateVertex(TopoDS::Vertex |
490 | //(myMap(vertex).Oriented(vtxrelat)), |
491 | B.UpdateVertex(aLocalVertex, param, TopoDS::Edge(myMap(edge)), tol); |
492 | ex2.Next(); |
493 | } |
494 | } |
495 | } |
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496 | } |
497 | |
498 | } |
499 | |
500 | // else if (ts == TopAbs_EDGE) { |
501 | else if (ts == TopAbs_EDGE && !No3DCurve) { |
502 | // Vertices |
503 | Standard_Real param; |
504 | const TopoDS_Edge& edge = TopoDS::Edge(S); |
505 | TopAbs_Orientation edor = edge.Orientation(); |
506 | if(edor != TopAbs_REVERSED) edor = TopAbs_FORWARD; |
507 | TopExp_Explorer ex(edge.Oriented(edor), TopAbs_VERTEX); |
508 | while (ex.More()) { |
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509 | const TopoDS_Vertex& vertex = TopoDS::Vertex(ex.Current()); |
510 | |
511 | if (!M->NewParameter(vertex, edge, param, tol)) { |
512 | tol = BRep_Tool::Tolerance(vertex); |
513 | param = BRep_Tool::Parameter(vertex,edge); |
514 | } |
515 | |
516 | TopAbs_Orientation vtxrelat = vertex.Orientation(); |
517 | if (edor == TopAbs_REVERSED) { |
518 | // Update considere l'edge FORWARD, et le vertex en relatif |
519 | vtxrelat= TopAbs::Reverse(vtxrelat); |
520 | } |
521 | |
522 | //if (result.Orientation() == TopAbs_REVERSED) { |
523 | // vtxrelat= TopAbs::Reverse(vtxrelat); |
524 | //} |
525 | TopoDS_Vertex aLocalVertex = TopoDS::Vertex(myMap(vertex)); |
526 | aLocalVertex.Orientation(vtxrelat); |
527 | //B.UpdateVertex(TopoDS::Vertex(myMap(vertex).Oriented(vtxrelat)), |
528 | B.UpdateVertex(aLocalVertex, param, TopoDS::Edge(result), tol); |
529 | |
530 | ex.Next(); |
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531 | } |
532 | |
533 | } |
534 | |
535 | // update flags |
536 | |
537 | result.Orientable(S.Orientable()); |
538 | result.Closed(S.Closed()); |
539 | result.Infinite(S.Infinite()); |
540 | } |
541 | else |
542 | result = S; |
543 | |
544 | // Set flag of the shape. |
545 | result.Orientation(ResOr); |
546 | |
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547 | result.Modified (S.Modified()); |
548 | result.Checked (S.Checked()); |
549 | result.Orientable(S.Orientable()); |
550 | result.Closed (S.Closed()); |
551 | result.Infinite (S.Infinite()); |
552 | result.Convex (S.Convex()); |
553 | |
554 | return rebuild; |
555 | } |
556 | |
557 | |