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1 | // Created by: Peter KURNEV |
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2 | // Copyright (c) 2010-2014 OPEN CASCADE SAS |
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3 | // Copyright (c) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE |
4 | // Copyright (c) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN, CEDRAT, |
5 | // EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS |
6 | // |
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7 | // This file is part of Open CASCADE Technology software library. |
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8 | // |
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9 | // This library is free software; you can redistribute it and/or modify it under |
10 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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11 | // by the Free Software Foundation, with special exception defined in the file |
12 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
13 | // distribution for complete text of the license and disclaimer of any warranty. |
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14 | // |
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15 | // Alternatively, this file may be used under the terms of Open CASCADE |
16 | // commercial license or contractual agreement. |
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17 | |
18 | #include <BOPTools_AlgoTools.ixx> |
19 | // |
20 | #include <Precision.hxx> |
21 | // |
22 | #include <gp_Pnt.hxx> |
23 | #include <gp_XYZ.hxx> |
24 | #include <gp_Pnt2d.hxx> |
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25 | #include <gp_Cylinder.hxx> |
26 | #include <gp_Cone.hxx> |
27 | #include <gp_Sphere.hxx> |
28 | #include <gp_Torus.hxx> |
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29 | #include <gp_Lin.hxx> |
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30 | // |
31 | #include <Geom2d_Curve.hxx> |
32 | #include <Geom_Surface.hxx> |
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33 | #include <Geom_Plane.hxx> |
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34 | #include <Geom_TrimmedCurve.hxx> |
35 | #include <Geom_Curve.hxx> |
36 | #include <GeomAPI_ProjectPointOnSurf.hxx> |
37 | #include <Geom2dInt_Geom2dCurveTool.hxx> |
38 | // |
39 | #include <TopAbs_Orientation.hxx> |
40 | // |
41 | #include <TopoDS_Compound.hxx> |
42 | #include <TopoDS_CompSolid.hxx> |
43 | #include <TopoDS_Solid.hxx> |
44 | #include <TopoDS_Shell.hxx> |
45 | #include <TopoDS_Wire.hxx> |
46 | // |
47 | #include <BRep_Builder.hxx> |
48 | #include <BRep_Tool.hxx> |
49 | #include <BRepLib.hxx> |
50 | #include <BRepAdaptor_Curve2d.hxx> |
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51 | #include <BRepAdaptor_Surface.hxx> |
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52 | #include <BRepClass3d_SolidClassifier.hxx> |
53 | #include <TopExp.hxx> |
54 | #include <TopExp_Explorer.hxx> |
55 | // |
56 | #include <IntTools_Tools.hxx> |
57 | // |
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58 | #include <BOPTools.hxx> |
59 | #include <BOPTools_CoupleOfShape.hxx> |
60 | #include <BOPTools_ListOfCoupleOfShape.hxx> |
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61 | #include <BOPTools_AlgoTools2D.hxx> |
62 | #include <BOPTools_AlgoTools3D.hxx> |
63 | // |
64 | #include <BOPCol_IndexedMapOfShape.hxx> |
65 | #include <BOPCol_MapOfShape.hxx> |
66 | // |
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67 | #include <BOPInt_ShrunkRange.hxx> |
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68 | // |
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69 | |
70 | static |
71 | Standard_Real AngleWithRef(const gp_Dir& theD1, |
72 | const gp_Dir& theD2, |
73 | const gp_Dir& theDRef); |
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74 | |
75 | static |
76 | Standard_Boolean FindFacePairs (const TopoDS_Edge& theE, |
77 | const BOPCol_ListOfShape& thLF, |
78 | BOPTools_ListOfCoupleOfShape& theLCFF, |
79 | Handle(BOPInt_Context)& theContext); |
80 | static |
81 | TopAbs_Orientation Orientation(const TopoDS_Edge& anE, |
82 | const TopoDS_Face& aF); |
83 | |
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84 | static |
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85 | void GetFaceDir(const TopoDS_Edge& aE, |
86 | const TopoDS_Face& aF, |
87 | const gp_Pnt& aP, |
88 | const Standard_Real aT, |
89 | const gp_Dir& aDTgt, |
90 | gp_Dir& aDN, |
91 | gp_Dir& aDB, |
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92 | Handle(BOPInt_Context)& theContext, |
93 | GeomAPI_ProjectPointOnSurf& aProjPL); |
94 | static |
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95 | Standard_Boolean FindPointInFace(const TopoDS_Edge& aE, |
96 | const TopoDS_Face& aF, |
97 | const gp_Pnt& aP, |
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98 | gp_Dir& aDB, |
99 | gp_Pnt& aPOut, |
100 | Handle(BOPInt_Context)& theContext, |
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101 | GeomAPI_ProjectPointOnSurf& aProjPL); |
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102 | |
103 | //======================================================================= |
104 | // function: MakeConnexityBlocks |
105 | // purpose: |
106 | //======================================================================= |
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107 | void BOPTools_AlgoTools::MakeConnexityBlocks |
108 | (const TopoDS_Shape& theS, |
109 | const TopAbs_ShapeEnum theType1, |
110 | const TopAbs_ShapeEnum theType2, |
111 | BOPCol_ListOfShape& theLCB) |
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112 | { |
113 | Standard_Integer aNbF, aNbAdd, aNbAdd1, i; |
114 | BRep_Builder aBB; |
115 | TopoDS_Compound aC; |
116 | TopoDS_Iterator aIt; |
117 | TopExp_Explorer aExp; |
118 | BOPCol_MapOfShape aMP; |
119 | BOPCol_IndexedMapOfShape aMCB, aMAdd, aMAdd1; |
120 | BOPCol_IndexedDataMapOfShapeListOfShape aMEF; |
121 | BOPCol_ListIteratorOfListOfShape aItLF; |
122 | // |
123 | // 1. aMEF |
124 | BOPTools::MapShapesAndAncestors(theS, theType1, theType2, aMEF); |
125 | // |
126 | // 2. aMCB |
127 | aIt.Initialize(theS); |
128 | for (; aIt.More(); aIt.Next()) { |
129 | const TopoDS_Shape& aF1=aIt.Value(); |
130 | if (aMP.Contains(aF1)) { |
131 | continue; |
132 | } |
133 | // |
134 | aMCB.Clear(); |
135 | aMAdd.Clear(); |
136 | aMAdd.Add(aF1); |
137 | // |
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138 | for(;;) { |
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139 | aMAdd1.Clear(); |
140 | // |
141 | aNbAdd = aMAdd.Extent(); |
142 | for (i=1; i<=aNbAdd; ++i) { |
143 | const TopoDS_Shape& aF=aMAdd(i); |
144 | // |
145 | aExp.Init(aF, theType1); |
146 | for (; aExp.More(); aExp.Next()) { |
147 | const TopoDS_Shape& aE=aExp.Current(); |
148 | // |
149 | const BOPCol_ListOfShape& aLF=aMEF.FindFromKey(aE); |
150 | aItLF.Initialize(aLF); |
151 | for (; aItLF.More(); aItLF.Next()) { |
152 | const TopoDS_Shape& aFx=aItLF.Value(); |
153 | if (aFx.IsSame(aF)) { |
154 | continue; |
155 | } |
156 | if (aMCB.Contains(aFx)) { |
157 | continue; |
158 | } |
159 | aMAdd1.Add(aFx); |
160 | } |
161 | }//for (; aExp.More(); aExp.Next()){ |
162 | aMCB.Add(aF); |
163 | }// for (i=1; i<=aNbAdd; ++i) { |
164 | // |
165 | aNbAdd1=aMAdd1.Extent(); |
166 | if (!aNbAdd1) { |
167 | break;// ->make new CB from aMCB |
168 | } |
169 | // |
170 | aMAdd.Clear(); |
171 | for (i=1; i<=aNbAdd1; ++i) { |
172 | const TopoDS_Shape& aFAdd = aMAdd1(i); |
173 | aMAdd.Add(aFAdd); |
174 | } |
175 | }//while(1) { |
176 | // |
177 | aNbF=aMCB.Extent(); |
178 | if (aNbF) { |
179 | aBB.MakeCompound(aC); |
180 | // |
181 | for (i=1; i<=aNbF; ++i) { |
182 | const TopoDS_Shape& aF=aMCB(i); |
183 | aBB.Add(aC, aF); |
184 | aMP.Add(aF); |
185 | } |
186 | theLCB.Append(aC); |
187 | } |
188 | }// for (; aIt.More(); aIt.Next()) |
189 | } |
190 | //======================================================================= |
191 | // function: OrientFacesOnShell |
192 | // purpose: |
193 | //======================================================================= |
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194 | void BOPTools_AlgoTools::OrientFacesOnShell (TopoDS_Shape& aShell) |
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195 | { |
196 | Standard_Boolean bIsProcessed1, bIsProcessed2; |
197 | Standard_Integer i, aNbE, aNbF, j; |
198 | TopAbs_Orientation anOrE1, anOrE2; |
199 | TopoDS_Face aF1x, aF2x; |
200 | TopoDS_Shape aShellNew; |
201 | BOPCol_IndexedDataMapOfShapeListOfShape aEFMap; |
202 | BOPCol_IndexedMapOfShape aProcessedFaces; |
203 | BRep_Builder aBB; |
204 | // |
205 | BOPTools_AlgoTools::MakeContainer(TopAbs_SHELL, aShellNew); |
206 | // |
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207 | BOPTools::MapShapesAndAncestors(aShell, |
208 | TopAbs_EDGE, TopAbs_FACE, |
209 | aEFMap); |
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210 | aNbE=aEFMap.Extent(); |
211 | // |
212 | // One seam edge in aEFMap contains 2 equivalent faces. |
213 | for (i=1; i<=aNbE; ++i) { |
214 | BOPCol_ListOfShape& aLF=aEFMap.ChangeFromIndex(i); |
215 | aNbF=aLF.Extent(); |
216 | if (aNbF>1) { |
217 | BOPCol_ListOfShape aLFTmp; |
218 | BOPCol_IndexedMapOfShape aFM; |
219 | // |
220 | BOPCol_ListIteratorOfListOfShape anIt(aLF); |
221 | for (; anIt.More(); anIt.Next()) { |
222 | const TopoDS_Shape& aF=anIt.Value(); |
223 | if (!aFM.Contains(aF)) { |
224 | aFM.Add(aF); |
225 | aLFTmp.Append(aF); |
226 | } |
227 | } |
228 | aLF.Clear(); |
229 | aLF=aLFTmp; |
230 | } |
231 | } |
232 | // |
233 | // Do |
234 | for (i=1; i<=aNbE; ++i) { |
235 | const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aEFMap.FindKey(i))); |
236 | if (BRep_Tool::Degenerated(aE)) { |
237 | continue; |
238 | } |
239 | // |
240 | const BOPCol_ListOfShape& aLF=aEFMap.FindFromIndex(i); |
241 | aNbF=aLF.Extent(); |
242 | if (aNbF!=2) { |
243 | continue; |
244 | } |
245 | // |
246 | TopoDS_Face& aF1=(*(TopoDS_Face*)(&aLF.First())); |
247 | TopoDS_Face& aF2=(*(TopoDS_Face*)(&aLF.Last())); |
248 | // |
249 | bIsProcessed1=aProcessedFaces.Contains(aF1); |
250 | bIsProcessed2=aProcessedFaces.Contains(aF2); |
251 | if (bIsProcessed1 && bIsProcessed2) { |
252 | continue; |
253 | } |
254 | |
255 | if (!bIsProcessed1 && !bIsProcessed2) { |
256 | aProcessedFaces.Add(aF1); |
257 | aBB.Add(aShellNew, aF1); |
258 | bIsProcessed1=!bIsProcessed1; |
259 | } |
260 | // |
261 | aF1x=aF1; |
262 | if (bIsProcessed1) { |
263 | j=aProcessedFaces.FindIndex(aF1); |
264 | aF1x=(*(TopoDS_Face*)(&aProcessedFaces.FindKey(j))); |
265 | } |
266 | // |
267 | aF2x=aF2; |
268 | if (bIsProcessed2) { |
269 | j=aProcessedFaces.FindIndex(aF2); |
270 | aF2x=(*(TopoDS_Face*)(&aProcessedFaces.FindKey(j))); |
271 | } |
272 | // |
273 | anOrE1=Orientation(aE, aF1x); |
274 | anOrE2=Orientation(aE, aF2x); |
275 | // |
276 | if (bIsProcessed1 && !bIsProcessed2) { |
277 | if (anOrE1==anOrE2) { |
278 | if (!BRep_Tool::IsClosed(aE, aF1) && |
279 | !BRep_Tool::IsClosed(aE, aF2)) { |
280 | aF2.Reverse(); |
281 | } |
282 | } |
283 | aProcessedFaces.Add(aF2); |
284 | aBB.Add(aShellNew, aF2); |
285 | } |
286 | else if (!bIsProcessed1 && bIsProcessed2) { |
287 | if (anOrE1==anOrE2) { |
288 | if (!BRep_Tool::IsClosed(aE, aF1) && |
289 | !BRep_Tool::IsClosed(aE, aF2)) { |
290 | aF1.Reverse(); |
291 | } |
292 | } |
293 | aProcessedFaces.Add(aF1); |
294 | aBB.Add(aShellNew, aF1); |
295 | } |
296 | } |
297 | // |
298 | // |
299 | for (i=1; i<=aNbE; ++i) { |
300 | const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aEFMap.FindKey(i))); |
301 | if (BRep_Tool::Degenerated(aE)) { |
302 | continue; |
303 | } |
304 | // |
305 | const BOPCol_ListOfShape& aLF=aEFMap.FindFromIndex(i); |
306 | aNbF=aLF.Extent(); |
307 | if (aNbF!=2) { |
308 | BOPCol_ListIteratorOfListOfShape anIt(aLF); |
309 | for(; anIt.More(); anIt.Next()) { |
310 | const TopoDS_Face& aF=(*(TopoDS_Face*)(&anIt.Value())); |
311 | if (!aProcessedFaces.Contains(aF)) { |
312 | aProcessedFaces.Add(aF); |
313 | aBB.Add(aShellNew, aF); |
314 | } |
315 | } |
316 | } |
317 | } |
318 | aShell=aShellNew; |
319 | } |
320 | //======================================================================= |
321 | //function : Orientation |
322 | //purpose : |
323 | //======================================================================= |
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324 | TopAbs_Orientation Orientation(const TopoDS_Edge& anE, |
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325 | const TopoDS_Face& aF) |
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326 | { |
327 | TopAbs_Orientation anOr=TopAbs_INTERNAL; |
328 | |
329 | TopExp_Explorer anExp; |
330 | anExp.Init(aF, TopAbs_EDGE); |
331 | for (; anExp.More(); anExp.Next()) { |
332 | const TopoDS_Edge& anEF1=(*(TopoDS_Edge*)(&anExp.Current())); |
333 | if (anEF1.IsSame(anE)) { |
334 | anOr=anEF1.Orientation(); |
335 | break; |
336 | } |
337 | } |
338 | return anOr; |
339 | } |
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340 | //======================================================================= |
341 | // function: MakeConnexityBlock. |
342 | // purpose: |
343 | //======================================================================= |
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344 | void BOPTools_AlgoTools::MakeConnexityBlock |
345 | (BOPCol_ListOfShape& theLFIn, |
346 | BOPCol_IndexedMapOfShape& theMEAvoid, |
347 | BOPCol_ListOfShape& theLCB, |
348 | const Handle(NCollection_BaseAllocator)& theAllocator) |
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349 | { |
350 | Standard_Integer aNbF, aNbAdd1, aNbAdd, i; |
351 | TopExp_Explorer aExp; |
352 | BOPCol_ListIteratorOfListOfShape aIt; |
353 | // |
354 | BOPCol_IndexedMapOfShape aMCB(100, theAllocator); |
355 | BOPCol_IndexedMapOfShape aMAdd(100, theAllocator); |
356 | BOPCol_IndexedMapOfShape aMAdd1(100, theAllocator); |
357 | BOPCol_IndexedDataMapOfShapeListOfShape aMEF(100, theAllocator); |
358 | // |
359 | // 1. aMEF |
360 | aNbF=theLFIn.Extent(); |
361 | aIt.Initialize(theLFIn); |
362 | for (; aIt.More(); aIt.Next()) { |
363 | const TopoDS_Shape& aF=aIt.Value(); |
364 | BOPTools::MapShapesAndAncestors(aF, TopAbs_EDGE, TopAbs_FACE, aMEF); |
365 | } |
366 | // |
367 | // 2. aMCB |
368 | const TopoDS_Shape& aF1=theLFIn.First(); |
369 | aMAdd.Add(aF1); |
370 | // |
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371 | for(;;) { |
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372 | aMAdd1.Clear(); |
373 | aNbAdd = aMAdd.Extent(); |
374 | for (i=1; i<=aNbAdd; ++i) { |
375 | const TopoDS_Shape& aF=aMAdd(i); |
376 | // |
377 | //aMAdd1.Clear(); |
378 | aExp.Init(aF, TopAbs_EDGE); |
379 | for (; aExp.More(); aExp.Next()) { |
380 | const TopoDS_Shape& aE=aExp.Current(); |
381 | if (theMEAvoid.Contains(aE)){ |
382 | continue; |
383 | } |
384 | // |
385 | const BOPCol_ListOfShape& aLF=aMEF.FindFromKey(aE); |
386 | aIt.Initialize(aLF); |
387 | for (; aIt.More(); aIt.Next()) { |
388 | const TopoDS_Shape& aFx=aIt.Value(); |
389 | if (aFx.IsSame(aF)) { |
390 | continue; |
391 | } |
392 | if (aMCB.Contains(aFx)) { |
393 | continue; |
394 | } |
395 | aMAdd1.Add(aFx); |
396 | } |
397 | }//for (; aExp.More(); aExp.Next()){ |
398 | aMCB.Add(aF); |
399 | }// for (i=1; i<=aNbAdd; ++i) { |
400 | // |
401 | aNbAdd1=aMAdd1.Extent(); |
402 | if (!aNbAdd1) { |
403 | break; |
404 | } |
405 | // |
406 | aMAdd.Clear(); |
407 | for (i=1; i<=aNbAdd1; ++i) { |
408 | const TopoDS_Shape& aFAdd=aMAdd1(i); |
409 | aMAdd.Add(aFAdd); |
410 | } |
411 | // |
412 | }//while(1) { |
413 | |
414 | // |
415 | aNbF=aMCB.Extent(); |
416 | for (i=1; i<=aNbF; ++i) { |
417 | const TopoDS_Shape& aF=aMCB(i); |
418 | theLCB.Append(aF); |
419 | } |
420 | } |
421 | //======================================================================= |
422 | // function: ComputeStateByOnePoint |
423 | // purpose: |
424 | //======================================================================= |
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425 | TopAbs_State BOPTools_AlgoTools::ComputeStateByOnePoint |
426 | (const TopoDS_Shape& theS, |
427 | const TopoDS_Solid& theRef, |
428 | const Standard_Real theTol, |
429 | Handle(BOPInt_Context)& theContext) |
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430 | { |
431 | TopAbs_State aState; |
432 | TopAbs_ShapeEnum aType; |
433 | // |
434 | aState=TopAbs_UNKNOWN; |
435 | aType=theS.ShapeType(); |
436 | if (aType==TopAbs_VERTEX) { |
437 | const TopoDS_Vertex& aV=(*(TopoDS_Vertex*)(&theS)); |
438 | aState=BOPTools_AlgoTools::ComputeState(aV, theRef, theTol, theContext); |
439 | } |
440 | else if (aType==TopAbs_EDGE) { |
441 | const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&theS)); |
442 | aState=BOPTools_AlgoTools::ComputeState(aE, theRef, theTol, theContext); |
443 | } |
444 | return aState; |
445 | } |
446 | |
447 | //======================================================================= |
448 | // function: ComputeState |
449 | // purpose: |
450 | //======================================================================= |
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451 | TopAbs_State BOPTools_AlgoTools::ComputeState |
452 | (const TopoDS_Face& theF, |
453 | const TopoDS_Solid& theRef, |
454 | const Standard_Real theTol, |
455 | BOPCol_IndexedMapOfShape& theBounds, |
456 | Handle(BOPInt_Context)& theContext) |
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457 | { |
458 | TopAbs_State aState; |
459 | TopExp_Explorer aExp; |
460 | TopoDS_Edge aE1; |
461 | gp_Pnt2d aP2D; |
462 | gp_Pnt aP3D; |
463 | // |
464 | aState=TopAbs_UNKNOWN; |
465 | // |
466 | aExp.Init(theF, TopAbs_EDGE); |
467 | for (; aExp.More(); aExp.Next()) { |
468 | const TopoDS_Edge& aSE=(*(TopoDS_Edge*)(&aExp.Current())); |
469 | if (BRep_Tool::Degenerated(aSE)) { |
470 | continue; |
471 | } |
472 | // |
473 | if (!theBounds.Contains(aSE)) { |
474 | const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aSE)); |
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475 | aState=BOPTools_AlgoTools::ComputeState(aE, theRef, theTol, |
476 | theContext); |
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477 | return aState; |
478 | } |
479 | if (aE1.IsNull()) { |
480 | aE1=(*(TopoDS_Edge*)(&aSE)); |
481 | } |
482 | } |
483 | // !!<- process edges that are all on theRef |
484 | if (!aE1.IsNull()) { |
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485 | BOPTools_AlgoTools3D::PointNearEdge(aE1, theF, |
486 | aP2D, aP3D, theContext); |
487 | aState=BOPTools_AlgoTools::ComputeState(aP3D, theRef, theTol, |
488 | theContext); |
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489 | } |
490 | // |
491 | return aState; |
492 | } |
493 | //======================================================================= |
494 | // function: ComputeState |
495 | // purpose: |
496 | //======================================================================= |
505abfb8 |
497 | TopAbs_State BOPTools_AlgoTools::ComputeState |
498 | (const TopoDS_Vertex& theV, |
499 | const TopoDS_Solid& theRef, |
500 | const Standard_Real theTol, |
501 | Handle(BOPInt_Context)& theContext) |
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502 | { |
503 | TopAbs_State aState; |
504 | gp_Pnt aP3D; |
505 | // |
506 | aP3D=BRep_Tool::Pnt(theV); |
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507 | aState=BOPTools_AlgoTools::ComputeState(aP3D, theRef, theTol, |
508 | theContext); |
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509 | return aState; |
510 | } |
511 | //======================================================================= |
512 | // function: ComputeState |
513 | // purpose: |
514 | //======================================================================= |
505abfb8 |
515 | TopAbs_State BOPTools_AlgoTools::ComputeState |
516 | (const TopoDS_Edge& theE, |
517 | const TopoDS_Solid& theRef, |
518 | const Standard_Real theTol, |
519 | Handle(BOPInt_Context)& theContext) |
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520 | { |
521 | Standard_Real aT1, aT2, aT = 0.; |
522 | TopAbs_State aState; |
523 | Handle(Geom_Curve) aC3D; |
524 | gp_Pnt aP3D; |
525 | // |
526 | aC3D = BRep_Tool::Curve(theE, aT1, aT2); |
527 | // |
528 | if(aC3D.IsNull()) { |
529 | //it means that we are in degenerated edge |
530 | const TopoDS_Vertex& aV = TopExp::FirstVertex(theE); |
531 | if(aV.IsNull()){ |
532 | return TopAbs_UNKNOWN; |
533 | } |
534 | aP3D=BRep_Tool::Pnt(aV); |
535 | } |
536 | else {//usual case |
537 | Standard_Boolean bF2Inf, bL2Inf; |
538 | Standard_Real dT=10.; |
539 | // |
540 | bF2Inf = Precision::IsNegativeInfinite(aT1); |
541 | bL2Inf = Precision::IsPositiveInfinite(aT2); |
542 | // |
543 | if (bF2Inf && !bL2Inf) { |
544 | aT=aT2-dT; |
545 | } |
546 | else if (!bF2Inf && bL2Inf) { |
547 | aT=aT1+dT; |
548 | } |
549 | else if (bF2Inf && bL2Inf) { |
550 | aT=0.; |
551 | } |
552 | else { |
553 | aT=IntTools_Tools::IntermediatePoint(aT1, aT2); |
554 | } |
555 | aC3D->D0(aT, aP3D); |
556 | } |
557 | // |
505abfb8 |
558 | aState=BOPTools_AlgoTools::ComputeState(aP3D, theRef, theTol, |
559 | theContext); |
4e57c75e |
560 | // |
561 | return aState; |
562 | } |
563 | //======================================================================= |
564 | // function: ComputeState |
565 | // purpose: |
566 | //======================================================================= |
505abfb8 |
567 | TopAbs_State BOPTools_AlgoTools::ComputeState |
568 | (const gp_Pnt& theP, |
569 | const TopoDS_Solid& theRef, |
570 | const Standard_Real theTol, |
571 | Handle(BOPInt_Context)& theContext) |
4e57c75e |
572 | { |
573 | TopAbs_State aState; |
574 | // |
575 | BRepClass3d_SolidClassifier& aSC=theContext->SolidClassifier(theRef); |
576 | aSC.Perform(theP, theTol); |
577 | // |
578 | aState=aSC.State(); |
579 | // |
580 | return aState; |
581 | } |
582 | //======================================================================= |
583 | //function : IsInternalFace |
584 | //purpose : |
585 | //======================================================================= |
744511c8 |
586 | Standard_Integer BOPTools_AlgoTools::IsInternalFace |
587 | (const TopoDS_Face& theFace, |
588 | const TopoDS_Solid& theSolid, |
589 | BOPCol_IndexedDataMapOfShapeListOfShape& theMEF, |
590 | const Standard_Real theTol, |
591 | Handle(BOPInt_Context)& theContext) |
4e57c75e |
592 | { |
744511c8 |
593 | Standard_Boolean bDegenerated; |
594 | Standard_Integer aNbF, iRet, iFound; |
4e57c75e |
595 | TopAbs_Orientation aOr; |
744511c8 |
596 | TopoDS_Edge aE1; |
4e57c75e |
597 | TopExp_Explorer aExp; |
598 | BOPCol_ListIteratorOfListOfShape aItF; |
599 | // |
744511c8 |
600 | // For all invoked functions: [::IsInternalFace(...)] |
601 | // the returned value iRet means: |
602 | // iRet=0; - state is not IN |
603 | // iRet=1; - state is IN |
604 | // iRet=2; - state can not be found by the method of angles |
605 | // |
606 | // For this function the returned value iRet means: |
607 | // iRet=0; - state is not IN |
608 | // iRet=1; - state is IN |
4e57c75e |
609 | // |
744511c8 |
610 | iRet=0; |
4e57c75e |
611 | // 1 Try to find an edge from theFace in theMEF |
744511c8 |
612 | iFound=0; |
4e57c75e |
613 | aExp.Init(theFace, TopAbs_EDGE); |
614 | for(; aExp.More(); aExp.Next()) { |
615 | const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aExp.Current())); |
616 | if (!theMEF.Contains(aE)) { |
617 | continue; |
618 | } |
619 | // |
744511c8 |
620 | ++iFound; |
621 | // |
4e57c75e |
622 | aOr=aE.Orientation(); |
623 | if (aOr==TopAbs_INTERNAL) { |
624 | continue; |
625 | } |
626 | bDegenerated=BRep_Tool::Degenerated(aE); |
627 | if (bDegenerated){ |
628 | continue; |
629 | } |
630 | // aE |
631 | BOPCol_ListOfShape& aLF=theMEF.ChangeFromKey(aE); |
632 | aNbF=aLF.Extent(); |
633 | if (!aNbF) { |
744511c8 |
634 | return iRet; // it can not be so |
4e57c75e |
635 | } |
744511c8 |
636 | // |
4e57c75e |
637 | else if (aNbF==1) { |
638 | // aE is internal edge on aLF.First() |
639 | const TopoDS_Face& aF1=(*(TopoDS_Face*)(&aLF.First())); |
744511c8 |
640 | BOPTools_AlgoTools::GetEdgeOnFace(aE, aF1, aE1); |
641 | if (aE1.Orientation()!=TopAbs_INTERNAL) { |
bb58e462 |
642 | iRet=2; |
643 | break; |
744511c8 |
644 | } |
645 | // |
505abfb8 |
646 | iRet=BOPTools_AlgoTools::IsInternalFace(theFace, aE, aF1, aF1, |
647 | theContext); |
744511c8 |
648 | break; |
4e57c75e |
649 | } |
744511c8 |
650 | // |
4e57c75e |
651 | else if (aNbF==2) { |
652 | const TopoDS_Face& aF1=(*(TopoDS_Face*)(&aLF.First())); |
653 | const TopoDS_Face& aF2=(*(TopoDS_Face*)(&aLF.Last())); |
654 | // |
655 | if (aF2.IsSame(aF1) && BRep_Tool::IsClosed(aE, aF1)) { |
656 | // treat as it was for 1 face |
505abfb8 |
657 | iRet=BOPTools_AlgoTools::IsInternalFace(theFace, aE, aF1, aF2, |
658 | theContext); |
bb58e462 |
659 | break; |
4e57c75e |
660 | } |
661 | } |
744511c8 |
662 | // |
4e57c75e |
663 | if (aNbF%2) { |
744511c8 |
664 | iRet=0; |
665 | return iRet; // it can not be so |
4e57c75e |
666 | } |
667 | else { // aNbF=2,4,6,8,... |
505abfb8 |
668 | iRet=BOPTools_AlgoTools::IsInternalFace(theFace, aE, aLF, |
669 | theContext); |
744511c8 |
670 | break; |
4e57c75e |
671 | } |
672 | }//for(; aExp.More(); aExp.Next()) { |
673 | // |
744511c8 |
674 | if (!iFound) { |
675 | // the face has no shared edges with the solid |
676 | iRet=2; |
677 | } |
678 | // |
679 | if (iRet!=2) { |
680 | return iRet; |
681 | } |
682 | // |
4e57c75e |
683 | //======================================== |
684 | // 2. Classify face using classifier |
685 | // |
686 | TopAbs_State aState; |
687 | BOPCol_IndexedMapOfShape aBounds; |
688 | // |
744511c8 |
689 | BOPTools::MapShapes(theSolid, TopAbs_EDGE, aBounds); |
690 | // |
505abfb8 |
691 | aState=BOPTools_AlgoTools::ComputeState(theFace, theSolid, |
692 | theTol, aBounds, theContext); |
4e57c75e |
693 | // |
744511c8 |
694 | iRet=(aState==TopAbs_IN)? 1 : 0; |
695 | // |
696 | return iRet; |
4e57c75e |
697 | } |
698 | //======================================================================= |
699 | //function : IsInternalFace |
700 | //purpose : |
701 | //======================================================================= |
505abfb8 |
702 | Standard_Integer BOPTools_AlgoTools::IsInternalFace |
703 | (const TopoDS_Face& theFace, |
704 | const TopoDS_Edge& theEdge, |
705 | BOPCol_ListOfShape& theLF, |
706 | Handle(BOPInt_Context)& theContext) |
4e57c75e |
707 | { |
744511c8 |
708 | Standard_Integer aNbF, iRet; |
4e57c75e |
709 | // |
744511c8 |
710 | iRet=0; |
4e57c75e |
711 | // |
712 | aNbF=theLF.Extent(); |
713 | if (aNbF==2) { |
714 | const TopoDS_Face& aF1=(*(TopoDS_Face*)(&theLF.First())); |
715 | const TopoDS_Face& aF2=(*(TopoDS_Face*)(&theLF.Last())); |
505abfb8 |
716 | iRet=BOPTools_AlgoTools::IsInternalFace(theFace, theEdge, aF1, aF2, |
717 | theContext); |
744511c8 |
718 | return iRet; |
4e57c75e |
719 | } |
720 | // |
721 | else { |
722 | BOPTools_ListOfCoupleOfShape aLCFF; |
723 | BOPTools_ListIteratorOfListOfCoupleOfShape aIt; |
724 | // |
725 | FindFacePairs(theEdge, theLF, aLCFF, theContext); |
726 | // |
727 | aIt.Initialize(aLCFF); |
728 | for (; aIt.More(); aIt.Next()) { |
729 | BOPTools_CoupleOfShape& aCSFF=aIt.ChangeValue(); |
730 | // |
731 | const TopoDS_Face& aF1=(*(TopoDS_Face*)(&aCSFF.Shape1())); |
732 | const TopoDS_Face& aF2=(*(TopoDS_Face*)(&aCSFF.Shape2())); |
505abfb8 |
733 | iRet=BOPTools_AlgoTools::IsInternalFace(theFace, theEdge, aF1, aF2, |
734 | theContext); |
744511c8 |
735 | if (iRet) { |
736 | return iRet; |
4e57c75e |
737 | } |
738 | } |
739 | } |
744511c8 |
740 | return iRet; |
4e57c75e |
741 | } |
742 | //======================================================================= |
743 | //function : IsInternalFace |
744 | //purpose : |
745 | //======================================================================= |
744511c8 |
746 | Standard_Integer BOPTools_AlgoTools::IsInternalFace |
747 | (const TopoDS_Face& theFace, |
748 | const TopoDS_Edge& theEdge, |
749 | const TopoDS_Face& theFace1, |
750 | const TopoDS_Face& theFace2, |
751 | Handle(BOPInt_Context)& theContext) |
4e57c75e |
752 | { |
753 | Standard_Boolean bRet; |
744511c8 |
754 | Standard_Integer iRet; |
4e57c75e |
755 | TopoDS_Edge aE1, aE2; |
756 | TopoDS_Face aFOff; |
757 | BOPTools_ListOfCoupleOfShape theLCSOff; |
758 | BOPTools_CoupleOfShape aCS1, aCS2; |
759 | // |
760 | BOPTools_AlgoTools::GetEdgeOnFace(theEdge, theFace1, aE1); |
761 | if (aE1.Orientation()==TopAbs_INTERNAL) { |
762 | aE2=aE1; |
763 | aE1.Orientation(TopAbs_FORWARD); |
764 | aE2.Orientation(TopAbs_REVERSED); |
765 | } |
766 | else if (theFace1==theFace2) { |
767 | aE2=aE1; |
768 | aE1.Orientation(TopAbs_FORWARD); |
769 | aE2.Orientation(TopAbs_REVERSED); |
770 | } |
771 | else { |
772 | BOPTools_AlgoTools::GetEdgeOnFace(theEdge, theFace2, aE2); |
773 | } |
774 | // |
775 | aCS1.SetShape1(theEdge); |
776 | aCS1.SetShape2(theFace); |
777 | theLCSOff.Append(aCS1); |
778 | // |
779 | aCS2.SetShape1(aE2); |
780 | aCS2.SetShape2(theFace2); |
781 | theLCSOff.Append(aCS2); |
782 | // |
744511c8 |
783 | bRet=GetFaceOff(aE1, theFace1, theLCSOff, aFOff, theContext); |
4e57c75e |
784 | // |
744511c8 |
785 | iRet=0; // theFace is not internal |
786 | if (theFace.IsEqual(aFOff)) { |
787 | // theFace is internal |
788 | iRet=1; |
789 | if (!bRet) { |
790 | // theFace seems to be internal |
791 | iRet=2; |
792 | } |
793 | } |
794 | return iRet; |
4e57c75e |
795 | } |
796 | //======================================================================= |
797 | //function : GetFaceOff |
798 | //purpose : |
799 | //======================================================================= |
744511c8 |
800 | Standard_Boolean BOPTools_AlgoTools::GetFaceOff |
801 | (const TopoDS_Edge& theE1, |
802 | const TopoDS_Face& theF1, |
803 | BOPTools_ListOfCoupleOfShape& theLCSOff, |
804 | TopoDS_Face& theFOff, |
805 | Handle(BOPInt_Context)& theContext) |
4e57c75e |
806 | { |
744511c8 |
807 | Standard_Boolean bRet; |
4e57c75e |
808 | Standard_Real aT, aT1, aT2, aAngle, aTwoPI, aAngleMin; |
bb58e462 |
809 | Standard_Real aUmin, aUsup, aVmin, aVsup; |
4e57c75e |
810 | gp_Pnt aPn1, aPn2, aPx; |
df017cc9 |
811 | gp_Dir aDN1, aDN2, aDBF, aDBF2, aDTF; |
4e57c75e |
812 | gp_Vec aVTgt; |
df017cc9 |
813 | TopAbs_Orientation aOr; |
4e57c75e |
814 | Handle(Geom_Curve)aC3D; |
bb58e462 |
815 | Handle(Geom_Plane) aPL; |
4e57c75e |
816 | BOPTools_ListIteratorOfListOfCoupleOfShape aIt; |
bb58e462 |
817 | GeomAPI_ProjectPointOnSurf aProjPL; |
4e57c75e |
818 | // |
819 | aAngleMin=100.; |
820 | aTwoPI=M_PI+M_PI; |
821 | aC3D =BRep_Tool::Curve(theE1, aT1, aT2); |
4e57c75e |
822 | aT=BOPTools_AlgoTools2D::IntermediatePoint(aT1, aT2); |
823 | aC3D->D0(aT, aPx); |
df017cc9 |
824 | // |
4e57c75e |
825 | BOPTools_AlgoTools2D::EdgeTangent(theE1, aT, aVTgt); |
df017cc9 |
826 | gp_Dir aDTgt(aVTgt), aDTgt2; |
827 | aOr = theE1.Orientation(); |
828 | // |
bb58e462 |
829 | aPL = new Geom_Plane(aPx, aDTgt); |
830 | aPL->Bounds(aUmin, aUsup, aVmin, aVsup); |
831 | aProjPL.Init(aPL, aUmin, aUsup, aVmin, aVsup); |
832 | // |
505abfb8 |
833 | GetFaceDir(theE1, theF1, aPx, aT, aDTgt, aDN1, aDBF, theContext, |
834 | aProjPL); |
df017cc9 |
835 | // |
4e57c75e |
836 | aDTF=aDN1^aDBF; |
837 | // |
744511c8 |
838 | bRet=Standard_True; |
4e57c75e |
839 | aIt.Initialize(theLCSOff); |
840 | for (; aIt.More(); aIt.Next()) { |
841 | const BOPTools_CoupleOfShape& aCS=aIt.Value(); |
842 | const TopoDS_Edge& aE2=(*(TopoDS_Edge*)(&aCS.Shape1())); |
843 | const TopoDS_Face& aF2=(*(TopoDS_Face*)(&aCS.Shape2())); |
844 | // |
df017cc9 |
845 | aDTgt2 = (aE2.Orientation()==aOr) ? aDTgt : aDTgt.Reversed(); |
505abfb8 |
846 | GetFaceDir(aE2, aF2, aPx, aT, aDTgt2, aDN2, aDBF2, theContext, |
847 | aProjPL); |
4e57c75e |
848 | //Angle |
849 | aAngle=AngleWithRef(aDBF, aDBF2, aDTF); |
850 | // |
851 | if(aAngle<0.) { |
852 | aAngle=aTwoPI+aAngle; |
853 | } |
df017cc9 |
854 | // |
855 | if (aAngle<Precision::Angular()) { |
856 | if (aF2==theF1) { |
857 | aAngle=M_PI; |
858 | } |
859 | else if (aF2.IsSame(theF1)) { |
860 | aAngle=aTwoPI; |
861 | } |
862 | } |
863 | // |
4e57c75e |
864 | if (aAngle<aAngleMin){ |
865 | aAngleMin=aAngle; |
866 | theFOff=aF2; |
867 | } |
744511c8 |
868 | else if (aAngle==aAngleMin) { |
869 | // the minimal angle can not be found |
870 | bRet=Standard_False; |
871 | } |
4e57c75e |
872 | } |
744511c8 |
873 | return bRet; |
4e57c75e |
874 | } |
875 | //======================================================================= |
876 | //function : GetEdgeOff |
877 | //purpose : |
878 | //======================================================================= |
bb58e462 |
879 | Standard_Boolean BOPTools_AlgoTools::GetEdgeOff(const TopoDS_Edge& theE1, |
880 | const TopoDS_Face& theF2, |
881 | TopoDS_Edge& theE2) |
4e57c75e |
882 | { |
883 | Standard_Boolean bFound; |
884 | TopAbs_Orientation aOr1, aOr1C, aOr2; |
885 | TopExp_Explorer anExp; |
886 | // |
887 | bFound=Standard_False; |
888 | aOr1=theE1.Orientation(); |
889 | aOr1C=TopAbs::Reverse(aOr1); |
890 | // |
891 | anExp.Init(theF2, TopAbs_EDGE); |
892 | for (; anExp.More(); anExp.Next()) { |
893 | const TopoDS_Edge& aEF2=(*(TopoDS_Edge*)(&anExp.Current())); |
894 | if (aEF2.IsSame(theE1)) { |
895 | aOr2=aEF2.Orientation(); |
896 | if (aOr2==aOr1C) { |
897 | theE2=aEF2; |
898 | bFound=!bFound; |
899 | return bFound; |
900 | } |
901 | } |
902 | } |
903 | return bFound; |
904 | } |
905 | |
906 | //======================================================================= |
907 | //function : AreFacesSameDomain |
908 | //purpose : |
909 | //======================================================================= |
505abfb8 |
910 | Standard_Boolean BOPTools_AlgoTools::AreFacesSameDomain |
911 | (const TopoDS_Face& theF1, |
912 | const TopoDS_Face& theF2, |
913 | Handle(BOPInt_Context)& theContext) |
4e57c75e |
914 | { |
915 | Standard_Boolean bFlag; |
e656bcbe |
916 | Standard_Integer iErr; |
4e57c75e |
917 | Standard_Real aTolF1, aTolF2, aTol; |
918 | gp_Pnt2d aP2D; |
919 | gp_Pnt aP; |
920 | TopoDS_Face aF1, aF2; |
921 | TopoDS_Edge aE1; |
922 | TopExp_Explorer aExp; |
923 | // |
924 | bFlag=Standard_False; |
925 | // |
926 | aF1=theF1; |
927 | aF1.Orientation(TopAbs_FORWARD); |
928 | aF2=theF2; |
929 | aF2.Orientation(TopAbs_FORWARD); |
930 | // |
931 | aTolF1=BRep_Tool::Tolerance(aF1); |
932 | // 1 |
4e57c75e |
933 | aExp.Init(aF1, TopAbs_EDGE); |
934 | for (; aExp.More(); aExp.Next()) { |
935 | aE1=(*(TopoDS_Edge*)(&aExp.Current())); |
936 | if (!BRep_Tool::Degenerated(aE1)) { |
4e57c75e |
937 | Standard_Real aTolE = BRep_Tool::Tolerance(aE1); |
938 | aTolF1 = (aTolE > aTolF1) ? aTolE : aTolF1; |
939 | } |
940 | } |
4e57c75e |
941 | // 2 |
942 | aTolF2=BRep_Tool::Tolerance(aF2); |
943 | aTol=aTolF1+aTolF2; |
944 | // |
505abfb8 |
945 | iErr = BOPTools_AlgoTools3D::PointInFace(aF1, aP, aP2D, |
946 | theContext); |
e656bcbe |
947 | if (!iErr) { |
948 | bFlag=theContext->IsValidPointForFace(aP, aF2, aTol); |
949 | } |
4e57c75e |
950 | // |
951 | return bFlag; |
952 | } |
953 | |
954 | //======================================================================= |
955 | //function : CheckSameGeom |
956 | //purpose : |
957 | //======================================================================= |
505abfb8 |
958 | Standard_Boolean BOPTools_AlgoTools::CheckSameGeom |
959 | (const TopoDS_Face& theF1, |
960 | const TopoDS_Face& theF2, |
961 | Handle(BOPInt_Context)& theContext) |
4e57c75e |
962 | { |
963 | Standard_Boolean bRet; |
964 | Standard_Real aTolF1, aTolF2, aTol; |
965 | gp_Pnt2d aP2D; |
966 | gp_Pnt aP; |
967 | TopExp_Explorer aExp; |
968 | // |
969 | bRet=Standard_False; |
970 | aExp.Init(theF1, TopAbs_EDGE); |
971 | for (; aExp.More(); aExp.Next()) { |
972 | const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aExp.Current())); |
973 | if (!BRep_Tool::Degenerated(aE)) { |
974 | aTolF1=BRep_Tool::Tolerance(theF1); |
975 | aTolF2=BRep_Tool::Tolerance(theF2); |
976 | aTol=aTolF1+aTolF2; |
977 | BOPTools_AlgoTools3D::PointNearEdge(aE, theF1, aP2D, aP, theContext); |
978 | bRet=theContext->IsValidPointForFace(aP, theF2, aTol); |
979 | break; |
980 | } |
981 | } |
982 | return bRet; |
983 | } |
984 | //======================================================================= |
985 | // function: Sense |
986 | // purpose: |
987 | //======================================================================= |
bb58e462 |
988 | Standard_Integer BOPTools_AlgoTools::Sense (const TopoDS_Face& theF1, |
989 | const TopoDS_Face& theF2) |
4e57c75e |
990 | { |
991 | Standard_Integer iSense=0; |
992 | gp_Dir aDNF1, aDNF2; |
993 | TopoDS_Edge aE1, aE2; |
994 | TopExp_Explorer aExp; |
995 | // |
996 | aExp.Init(theF1, TopAbs_EDGE); |
997 | for (; aExp.More(); aExp.Next()) { |
998 | aE1=(*(TopoDS_Edge*)(&aExp.Current())); |
999 | if (!BRep_Tool::Degenerated(aE1)) { |
1000 | if (!BRep_Tool::IsClosed(aE1, theF1)) { |
1001 | break; |
1002 | } |
1003 | } |
1004 | } |
1005 | // |
1006 | aExp.Init(theF2, TopAbs_EDGE); |
1007 | for (; aExp.More(); aExp.Next()) { |
1008 | aE2=(*(TopoDS_Edge*)(&aExp.Current())); |
1009 | if (!BRep_Tool::Degenerated(aE2)) { |
1010 | if (!BRep_Tool::IsClosed(aE2, theF2)) { |
1011 | if (aE2.IsSame(aE1)) { |
1012 | iSense=1; |
1013 | break; |
1014 | } |
1015 | } |
1016 | } |
1017 | } |
1018 | // |
1019 | if (!iSense) { |
1020 | return iSense; |
1021 | } |
1022 | // |
1023 | BOPTools_AlgoTools3D::GetNormalToFaceOnEdge(aE1, theF1, aDNF1); |
1024 | BOPTools_AlgoTools3D::GetNormalToFaceOnEdge(aE2, theF2, aDNF2); |
1025 | // |
1026 | iSense=BOPTools_AlgoTools3D::SenseFlag(aDNF1, aDNF2); |
1027 | // |
1028 | return iSense; |
1029 | } |
1030 | //======================================================================= |
1031 | // function: IsSplitToReverse |
1032 | // purpose: |
1033 | //======================================================================= |
505abfb8 |
1034 | Standard_Boolean BOPTools_AlgoTools::IsSplitToReverse |
1035 | (const TopoDS_Shape& theSp, |
1036 | const TopoDS_Shape& theSr, |
1037 | Handle(BOPInt_Context)& theContext) |
4e57c75e |
1038 | { |
1039 | Standard_Boolean bRet; |
1040 | TopAbs_ShapeEnum aType; |
1041 | // |
1042 | bRet=Standard_False; |
1043 | // |
1044 | aType=theSp.ShapeType(); |
1045 | switch (aType) { |
1046 | case TopAbs_EDGE: { |
1047 | const TopoDS_Edge& aESp=(*(TopoDS_Edge*)(&theSp)); |
1048 | const TopoDS_Edge& aESr=(*(TopoDS_Edge*)(&theSr)); |
1049 | bRet=BOPTools_AlgoTools::IsSplitToReverse(aESp, aESr, theContext); |
1050 | } |
1051 | break; |
1052 | // |
1053 | case TopAbs_FACE: { |
1054 | const TopoDS_Face& aFSp=(*(TopoDS_Face*)(&theSp)); |
1055 | const TopoDS_Face& aFSr=(*(TopoDS_Face*)(&theSr)); |
1056 | bRet=BOPTools_AlgoTools::IsSplitToReverse(aFSp, aFSr, theContext); |
1057 | } |
1058 | break; |
1059 | // |
1060 | default: |
1061 | break; |
1062 | } |
1063 | return bRet; |
1064 | } |
1065 | //======================================================================= |
1066 | //function :IsSplitToReverse |
1067 | //purpose : |
1068 | //======================================================================= |
505abfb8 |
1069 | Standard_Boolean BOPTools_AlgoTools::IsSplitToReverse |
1070 | (const TopoDS_Face& theFSp, |
1071 | const TopoDS_Face& theFSr, |
1072 | Handle(BOPInt_Context)& theContext) |
4e57c75e |
1073 | { |
1074 | Standard_Boolean bRet, bFound, bInFace; |
1075 | Standard_Real aT1, aT2, aT, aU, aV, aScPr; |
1076 | gp_Pnt aPFSp, aPFSr; |
1077 | gp_Dir aDNFSp; |
1078 | gp_Vec aD1U, aD1V; |
1079 | Handle(Geom_Surface) aSr, aSp; |
1080 | TopAbs_Orientation aOrSr, aOrSp; |
1081 | TopExp_Explorer anExp; |
1082 | TopoDS_Edge aESp; |
1083 | // |
1084 | bRet=Standard_False; |
1085 | // |
1086 | aSr=BRep_Tool::Surface(theFSr); |
1087 | aSp=BRep_Tool::Surface(theFSp); |
1088 | if (aSr==aSp) { |
1089 | aOrSr=theFSr.Orientation(); |
1090 | aOrSp=theFSp.Orientation(); |
1091 | bRet=(aOrSr!=aOrSp); |
1092 | return bRet; |
1093 | } |
1094 | // |
1095 | bFound=Standard_False; |
1096 | anExp.Init(theFSp, TopAbs_EDGE); |
1097 | for (; anExp.More(); anExp.Next()) { |
1098 | aESp=(*(TopoDS_Edge*)(&anExp.Current())); |
1099 | if (!BRep_Tool::Degenerated(aESp)) { |
1100 | if (!BRep_Tool::IsClosed(aESp, theFSp)) { |
1101 | bFound=!bFound; |
1102 | break; |
1103 | } |
1104 | } |
1105 | } |
1106 | if (!bFound) { |
1107 | Standard_Boolean bFlag; |
1108 | Standard_Integer iErr; |
1109 | gp_Pnt2d aP2DFSp; |
1110 | // |
505abfb8 |
1111 | iErr=BOPTools_AlgoTools3D::PointInFace(theFSp, aPFSp, aP2DFSp, |
1112 | theContext); |
4e57c75e |
1113 | if (iErr) { |
1114 | return bRet; |
1115 | } |
1116 | // |
1117 | aP2DFSp.Coord(aU, aV); |
1118 | bFlag=BOPTools_AlgoTools3D::GetNormalToSurface(aSp, aU, aV, aDNFSp); |
1119 | if (!bFlag) { |
1120 | return bRet; |
1121 | } |
1122 | } |
1123 | else { |
1124 | BRep_Tool::Range(aESp, aT1, aT2); |
1125 | aT=BOPTools_AlgoTools2D::IntermediatePoint(aT1, aT2); |
505abfb8 |
1126 | BOPTools_AlgoTools3D::GetApproxNormalToFaceOnEdge(aESp, theFSp, aT, |
1127 | aPFSp, aDNFSp, |
1128 | theContext); |
4e57c75e |
1129 | } |
1130 | // |
1131 | // Parts of theContext->ComputeVS(..) |
1132 | GeomAPI_ProjectPointOnSurf& aProjector=theContext->ProjPS(theFSr); |
1133 | aProjector.Perform(aPFSp); |
1134 | if (!aProjector.IsDone()) { |
1135 | return bRet; |
1136 | } |
1137 | // |
1138 | aProjector.LowerDistanceParameters(aU, aV); |
1139 | gp_Pnt2d aP2D(aU, aV); |
1140 | bInFace=theContext->IsPointInFace (theFSr, aP2D); |
1141 | if (!bInFace) { |
1142 | return bRet; |
1143 | } |
1144 | // |
1145 | aSr->D1(aU, aV, aPFSr, aD1U, aD1V); |
1146 | gp_Dir aDD1U(aD1U); |
1147 | gp_Dir aDD1V(aD1V); |
1148 | gp_Dir aDNFSr=aDD1U^aDD1V; |
1149 | if (theFSr.Orientation()==TopAbs_REVERSED){ |
1150 | aDNFSr.Reverse(); |
1151 | } |
1152 | // |
1153 | aScPr=aDNFSp*aDNFSr; |
1154 | bRet=(aScPr<0.); |
1155 | // |
1156 | return bRet; |
1157 | } |
1158 | //======================================================================= |
1159 | //function :IsSplitToReverse |
1160 | //purpose : |
1161 | //======================================================================= |
505abfb8 |
1162 | Standard_Boolean BOPTools_AlgoTools::IsSplitToReverse |
1163 | (const TopoDS_Edge& aEF1, |
1164 | const TopoDS_Edge& aEF2, |
1165 | Handle(BOPInt_Context)& theContext) |
4e57c75e |
1166 | { |
1167 | Standard_Boolean bRet, bIsDegenerated; |
1168 | // |
1169 | bRet=Standard_False; |
1170 | bIsDegenerated=(BRep_Tool::Degenerated(aEF1) || |
1171 | BRep_Tool::Degenerated(aEF2)); |
1172 | if (bIsDegenerated) { |
1173 | return bRet; |
1174 | } |
1175 | // |
1176 | Standard_Real a, b; |
1177 | TopAbs_Orientation aOrE, aOrSp; |
1178 | Handle(Geom_Curve)aC1, aC2; |
1179 | // |
1180 | aC2=BRep_Tool::Curve(aEF2, a, b); |
1181 | aC1=BRep_Tool::Curve(aEF1, a, b); |
1182 | // |
1183 | if (aC1==aC2) { |
1184 | aOrE=aEF2.Orientation(); |
1185 | aOrSp=aEF1.Orientation(); |
1186 | bRet=(aOrE!=aOrSp); |
1187 | return bRet; |
1188 | } |
1189 | // |
1190 | Standard_Real aT1, aT2, aScPr; |
1191 | gp_Vec aV1, aV2; |
1192 | gp_Pnt aP; |
1193 | // |
1194 | aT1=BOPTools_AlgoTools2D::IntermediatePoint(a, b); |
1195 | aC1->D0(aT1, aP); |
1196 | BOPTools_AlgoTools2D::EdgeTangent(aEF1, aT1, aV1); |
1197 | gp_Dir aDT1(aV1); |
1198 | // |
1199 | theContext->ProjectPointOnEdge(aP, aEF2, aT2); |
1200 | // |
1201 | BOPTools_AlgoTools2D::EdgeTangent(aEF2, aT2, aV2); |
1202 | gp_Dir aDT2(aV2); |
1203 | // |
1204 | aScPr=aDT1*aDT2; |
1205 | bRet=(aScPr<0.); |
1206 | // |
1207 | return bRet; |
1208 | } |
1209 | |
1210 | //======================================================================= |
1211 | //function : IsHole |
1212 | //purpose : |
1213 | //======================================================================= |
bb58e462 |
1214 | Standard_Boolean BOPTools_AlgoTools::IsHole(const TopoDS_Shape& aW, |
1215 | const TopoDS_Shape& aFace) |
4e57c75e |
1216 | { |
1217 | Standard_Boolean bIsHole; |
1218 | Standard_Integer i, aNbS; |
1219 | Standard_Real aT1, aT2, aS; |
96a95605 |
1220 | Standard_Real aU1, aU, dU; |
4e57c75e |
1221 | Standard_Real aX1, aY1, aX0, aY0; |
1222 | TopAbs_Orientation aOr; |
1223 | |
1224 | gp_Pnt2d aP2D0, aP2D1; |
1225 | Handle(Geom2d_Curve) aC2D; |
1226 | TopoDS_Face aF, aFF; |
1227 | TopoDS_Iterator aItW; |
1228 | // |
1229 | bIsHole=Standard_False; |
1230 | // |
1231 | aF=(*(TopoDS_Face *)(&aFace)); |
1232 | aFF=aF; |
1233 | aFF.Orientation(TopAbs_FORWARD); |
1234 | // |
1235 | aS=0.; |
1236 | aItW.Initialize(aW); |
1237 | for (; aItW.More(); aItW.Next()) { |
1238 | const TopoDS_Edge& aE=(*(TopoDS_Edge *)(&aItW.Value())); |
1239 | aOr=aE.Orientation(); |
1240 | if (!(aOr==TopAbs_FORWARD || |
1241 | aOr==TopAbs_REVERSED)) { |
1242 | continue; |
1243 | } |
1244 | // |
1245 | aC2D=BRep_Tool::CurveOnSurface(aE, aFF, aT1, aT2); |
1246 | if (aC2D.IsNull()) { |
1247 | break; //xx |
1248 | } |
1249 | // |
1250 | BRepAdaptor_Curve2d aBAC2D(aE, aFF); |
1251 | aNbS=Geom2dInt_Geom2dCurveTool::NbSamples(aBAC2D); |
1252 | if (aNbS>2) { |
1253 | aNbS*=4; |
1254 | } |
1255 | // |
1256 | dU=(aT2-aT1)/(Standard_Real)(aNbS-1); |
1257 | aU =aT1; |
1258 | aU1=aT1; |
4e57c75e |
1259 | if (aOr==TopAbs_REVERSED) { |
1260 | aU =aT2; |
1261 | aU1=aT2; |
4e57c75e |
1262 | dU=-dU; |
1263 | } |
1264 | // |
1265 | aC2D->D0(aU, aP2D0); |
1266 | for(i=2; i<=aNbS; i++) { |
1267 | aU=aU1+(i-1)*dU; |
1268 | aC2D->D0(aU, aP2D1); |
1269 | aP2D0.Coord(aX0, aY0); |
1270 | aP2D1.Coord(aX1, aY1); |
1271 | // |
1272 | aS=aS+(aY0+aY1)*(aX1-aX0); |
1273 | // |
1274 | aP2D0=aP2D1; |
1275 | } |
1276 | }//for (; aItW.More(); aItW.Next()) { |
1277 | bIsHole=(aS>0.); |
1278 | return bIsHole; |
1279 | } |
1280 | |
1281 | //======================================================================= |
1282 | // function: MakeContainer |
1283 | // purpose: |
1284 | //======================================================================= |
bb58e462 |
1285 | void BOPTools_AlgoTools::MakeContainer(const TopAbs_ShapeEnum theType, |
1286 | TopoDS_Shape& theC) |
4e57c75e |
1287 | { |
1288 | BRep_Builder aBB; |
1289 | // |
1290 | switch(theType) { |
1291 | case TopAbs_COMPOUND:{ |
1292 | TopoDS_Compound aC; |
1293 | aBB.MakeCompound(aC); |
1294 | theC=aC; |
1295 | } |
1296 | break; |
1297 | // |
1298 | case TopAbs_COMPSOLID:{ |
1299 | TopoDS_CompSolid aCS; |
1300 | aBB.MakeCompSolid(aCS); |
1301 | theC=aCS; |
1302 | } |
1303 | break; |
1304 | // |
1305 | case TopAbs_SOLID:{ |
1306 | TopoDS_Solid aSolid; |
1307 | aBB.MakeSolid(aSolid); |
1308 | theC=aSolid; |
1309 | } |
1310 | break; |
1311 | // |
1312 | // |
1313 | case TopAbs_SHELL:{ |
1314 | TopoDS_Shell aShell; |
1315 | aBB.MakeShell(aShell); |
1316 | theC=aShell; |
1317 | } |
1318 | break; |
1319 | // |
1320 | case TopAbs_WIRE: { |
1321 | TopoDS_Wire aWire; |
1322 | aBB.MakeWire(aWire); |
1323 | theC=aWire; |
1324 | } |
1325 | break; |
1326 | // |
1327 | default: |
1328 | break; |
1329 | } |
1330 | } |
1331 | //======================================================================= |
1332 | // function: MakePCurve |
1333 | // purpose: |
1334 | //======================================================================= |
bb58e462 |
1335 | void BOPTools_AlgoTools::MakePCurve(const TopoDS_Edge& aE, |
1336 | const TopoDS_Face& aF1, |
1337 | const TopoDS_Face& aF2, |
1338 | const IntTools_Curve& aIC, |
1339 | const Standard_Boolean bPC1, |
1340 | const Standard_Boolean bPC2) |
4e57c75e |
1341 | |
1342 | { |
1343 | Standard_Integer i; |
1344 | Standard_Real aTolE, aT1, aT2, aOutFirst, aOutLast, aOutTol; |
1345 | Handle(Geom2d_Curve) aC2D, aC2DA, aC2Dx1; |
1346 | TopoDS_Face aFFWD; |
1347 | BRep_Builder aBB; |
1348 | Standard_Boolean bPC; |
1349 | // |
1350 | aTolE=BRep_Tool::Tolerance(aE); |
1351 | // |
1352 | const Handle(Geom_Curve)& aC3DE=BRep_Tool::Curve(aE, aT1, aT2); |
505abfb8 |
1353 | Handle(Geom_TrimmedCurve)aC3DETrim= |
1354 | new Geom_TrimmedCurve(aC3DE, aT1, aT2); |
4e57c75e |
1355 | // |
1356 | for (i=0; i<2; ++i) { |
1357 | bPC = !i ? bPC1 : bPC2; |
1358 | if (!bPC) { |
1359 | continue; |
1360 | } |
1361 | // |
1362 | if (!i) { |
1363 | aFFWD=aF1; |
1364 | aC2Dx1=aIC.FirstCurve2d(); |
1365 | } |
1366 | else { |
1367 | aFFWD=aF2; |
1368 | aC2Dx1=aIC.SecondCurve2d(); |
1369 | } |
1370 | // |
1371 | aFFWD.Orientation(TopAbs_FORWARD); |
1372 | // |
1373 | aC2D=aC2Dx1; |
1374 | if (aC2D.IsNull()) { |
1375 | BOPTools_AlgoTools2D::BuildPCurveForEdgeOnFace(aE, aFFWD); |
1376 | BOPTools_AlgoTools2D::CurveOnSurface(aE, aFFWD, aC2D, |
1377 | aOutFirst, aOutLast, |
1378 | aOutTol); |
1379 | } |
1380 | // |
1381 | if (aC3DE->IsPeriodic()) { |
505abfb8 |
1382 | BOPTools_AlgoTools2D::AdjustPCurveOnFace(aFFWD, aT1, aT2, aC2D, |
1383 | aC2DA); |
4e57c75e |
1384 | } |
1385 | else { |
505abfb8 |
1386 | BOPTools_AlgoTools2D::AdjustPCurveOnFace(aFFWD, aC3DETrim, aC2D, |
1387 | aC2DA); |
4e57c75e |
1388 | } |
1389 | // |
1390 | aBB.UpdateEdge(aE, aC2DA, aFFWD, aTolE); |
1391 | //BRepLib::SameParameter(aE); |
1392 | } |
1393 | BRepLib::SameParameter(aE); |
1394 | } |
1395 | //======================================================================= |
1396 | // function: MakeEdge |
1397 | // purpose: |
1398 | //======================================================================= |
bb58e462 |
1399 | void BOPTools_AlgoTools::MakeEdge(const IntTools_Curve& theIC, |
1400 | const TopoDS_Vertex& theV1, |
1401 | const Standard_Real theT1, |
1402 | const TopoDS_Vertex& theV2, |
1403 | const Standard_Real theT2, |
1404 | const Standard_Real theTolR3D, |
1405 | TopoDS_Edge& theE) |
4e57c75e |
1406 | { |
1407 | Standard_Real aTolV; |
1408 | BRep_Builder aBB; |
1409 | // |
505abfb8 |
1410 | BOPTools_AlgoTools::MakeSectEdge (theIC, theV1, theT1, theV2, theT2, |
1411 | theE); |
4e57c75e |
1412 | // |
1413 | aBB.UpdateEdge(theE, theTolR3D); |
1414 | // |
1415 | aTolV=BRep_Tool::Tolerance(theV1); |
1416 | if (aTolV<theTolR3D) { |
1417 | aBB.UpdateVertex(theV1, theTolR3D); |
1418 | } |
1419 | // |
1420 | aTolV=BRep_Tool::Tolerance(theV2); |
1421 | if (aTolV<theTolR3D) { |
1422 | aBB.UpdateVertex(theV2, theTolR3D); |
1423 | } |
1424 | } |
1425 | //======================================================================= |
1426 | // function: ComputeVV |
1427 | // purpose: |
1428 | //======================================================================= |
bb58e462 |
1429 | Standard_Integer BOPTools_AlgoTools::ComputeVV(const TopoDS_Vertex& aV1, |
1430 | const gp_Pnt& aP2, |
1431 | const Standard_Real aTolP2) |
4e57c75e |
1432 | { |
1433 | Standard_Real aTolV1, aTolSum, aTolSum2, aD2; |
1434 | gp_Pnt aP1; |
1435 | // |
1436 | aTolV1=BRep_Tool::Tolerance(aV1); |
1437 | |
1438 | aTolSum=aTolV1+aTolP2; |
1439 | aTolSum2=aTolSum*aTolSum; |
1440 | // |
1441 | aP1=BRep_Tool::Pnt(aV1); |
1442 | // |
1443 | aD2=aP1.SquareDistance(aP2); |
1444 | if (aD2>aTolSum2) { |
1445 | return 1; |
1446 | } |
1447 | return 0; |
1448 | } |
1449 | //======================================================================= |
1450 | // function: ComputeVV |
1451 | // purpose: |
1452 | //======================================================================= |
bb58e462 |
1453 | Standard_Integer BOPTools_AlgoTools::ComputeVV(const TopoDS_Vertex& aV1, |
1454 | const TopoDS_Vertex& aV2) |
4e57c75e |
1455 | { |
1456 | Standard_Real aTolV1, aTolV2, aTolSum, aTolSum2, aD2; |
1457 | gp_Pnt aP1, aP2; |
1458 | // |
1459 | aTolV1=BRep_Tool::Tolerance(aV1); |
1460 | aTolV2=BRep_Tool::Tolerance(aV2); |
1461 | aTolSum=aTolV1+aTolV2; |
1462 | aTolSum2=aTolSum*aTolSum; |
1463 | // |
1464 | aP1=BRep_Tool::Pnt(aV1); |
1465 | aP2=BRep_Tool::Pnt(aV2); |
1466 | // |
1467 | aD2=aP1.SquareDistance(aP2); |
1468 | if (aD2>aTolSum2) { |
1469 | return 1; |
1470 | } |
1471 | return 0; |
1472 | } |
1473 | //======================================================================= |
1474 | // function: MakeVertex |
1475 | // purpose : |
1476 | //======================================================================= |
bb58e462 |
1477 | void BOPTools_AlgoTools::MakeVertex(BOPCol_ListOfShape& aLV, |
1478 | TopoDS_Vertex& aVnew) |
4e57c75e |
1479 | { |
1480 | Standard_Integer aNb; |
1481 | Standard_Real aTi, aDi, aDmax; |
1482 | gp_Pnt aPi, aP; |
1483 | gp_XYZ aXYZ(0.,0.,0.), aXYZi; |
1484 | BOPCol_ListIteratorOfListOfShape aIt; |
1485 | // |
1486 | aNb=aLV.Extent(); |
1487 | if (aNb) { |
1488 | aIt.Initialize(aLV); |
1489 | for (; aIt.More(); aIt.Next()) { |
1490 | TopoDS_Vertex& aVi=*((TopoDS_Vertex*)(&aIt.Value())); |
1491 | aPi=BRep_Tool::Pnt(aVi); |
1492 | aXYZi=aPi.XYZ(); |
1493 | aXYZ=aXYZ+aXYZi; |
1494 | } |
1495 | // |
1496 | aXYZ.Divide((Standard_Real)aNb); |
1497 | aP.SetXYZ(aXYZ); |
1498 | // |
1499 | aDmax=-1.; |
1500 | aIt.Initialize(aLV); |
1501 | for (; aIt.More(); aIt.Next()) { |
1502 | TopoDS_Vertex& aVi=*((TopoDS_Vertex*)(&aIt.Value())); |
1503 | aPi=BRep_Tool::Pnt(aVi); |
1504 | aTi=BRep_Tool::Tolerance(aVi); |
1505 | aDi=aP.SquareDistance(aPi); |
4889b44e |
1506 | aDi=sqrt(aDi); |
4e57c75e |
1507 | aDi=aDi+aTi; |
1508 | if (aDi > aDmax) { |
1509 | aDmax=aDi; |
1510 | } |
1511 | } |
1512 | // |
1513 | BRep_Builder aBB; |
1514 | aBB.MakeVertex (aVnew, aP, aDmax); |
1515 | } |
1516 | } |
1517 | //======================================================================= |
1518 | //function : GetEdgeOnFace |
1519 | //purpose : |
1520 | //======================================================================= |
505abfb8 |
1521 | Standard_Boolean BOPTools_AlgoTools::GetEdgeOnFace |
1522 | (const TopoDS_Edge& theE1, |
1523 | const TopoDS_Face& theF2, |
1524 | TopoDS_Edge& theE2) |
4e57c75e |
1525 | { |
1526 | Standard_Boolean bFound; |
1527 | TopoDS_Iterator aItF, aItW; |
1528 | // |
1529 | bFound=Standard_False; |
1530 | // |
1531 | aItF.Initialize(theF2); |
1532 | for (; aItF.More(); aItF.Next()) { |
1533 | const TopoDS_Shape& aW=aItF.Value(); |
1534 | aItW.Initialize(aW); |
1535 | for (; aItW.More(); aItW.Next()) { |
1536 | const TopoDS_Shape& aE=aItW.Value(); |
1537 | if (aE.IsSame(theE1)) { |
1538 | theE2=(*(TopoDS_Edge*)(&aE)); |
1539 | bFound=!bFound; |
1540 | return bFound; |
1541 | } |
1542 | } |
1543 | } |
1544 | return bFound; |
1545 | } |
1546 | //======================================================================= |
1547 | //function : FindFacePairs |
1548 | //purpose : |
1549 | //======================================================================= |
1550 | Standard_Boolean FindFacePairs (const TopoDS_Edge& theE, |
1551 | const BOPCol_ListOfShape& thLF, |
1552 | BOPTools_ListOfCoupleOfShape& theLCFF, |
1553 | Handle(BOPInt_Context)& theContext) |
1554 | { |
1555 | Standard_Boolean bFound; |
1556 | Standard_Integer i, aNbCEF; |
1d47d8d0 |
1557 | TopAbs_Orientation aOr, aOrC = TopAbs_FORWARD; |
4e57c75e |
1558 | BOPCol_MapOfShape aMFP; |
1559 | TopoDS_Face aF1, aF2; |
1560 | TopoDS_Edge aEL, aE1; |
1561 | BOPCol_ListIteratorOfListOfShape aItLF; |
1562 | BOPTools_CoupleOfShape aCEF, aCFF; |
1563 | BOPTools_ListOfCoupleOfShape aLCEF, aLCEFx; |
1564 | BOPTools_ListIteratorOfListOfCoupleOfShape aIt; |
1565 | // |
1566 | bFound=Standard_True; |
1567 | // |
1568 | // Preface aLCEF |
1569 | aItLF.Initialize(thLF); |
1570 | for (; aItLF.More(); aItLF.Next()) { |
1571 | const TopoDS_Face& aFL=(*(TopoDS_Face*)(&aItLF.Value())); |
1572 | // |
1573 | bFound=BOPTools_AlgoTools::GetEdgeOnFace(theE, aFL, aEL); |
1574 | if (!bFound) { |
1575 | return bFound; // it can not be so |
1576 | } |
1577 | // |
1578 | aCEF.SetShape1(aEL); |
1579 | aCEF.SetShape2(aFL); |
1580 | aLCEF.Append(aCEF); |
1581 | } |
1582 | // |
1583 | aNbCEF=aLCEF.Extent(); |
1584 | while(aNbCEF) { |
1585 | // |
1586 | // aLCEFx |
1587 | aLCEFx.Clear(); |
1588 | aIt.Initialize(aLCEF); |
1589 | for (i=0; aIt.More(); aIt.Next(), ++i) { |
1590 | const BOPTools_CoupleOfShape& aCSx=aIt.Value(); |
1591 | const TopoDS_Shape& aEx=aCSx.Shape1(); |
1592 | const TopoDS_Shape& aFx=aCSx.Shape2(); |
1593 | // |
1594 | aOr=aEx.Orientation(); |
1595 | // |
1596 | if (!i) { |
1597 | aOrC=TopAbs::Reverse(aOr); |
1598 | aE1=(*(TopoDS_Edge*)(&aEx)); |
1599 | aF1=(*(TopoDS_Face*)(&aFx)); |
1600 | aMFP.Add(aFx); |
1601 | continue; |
1602 | } |
1603 | // |
1604 | if (aOr==aOrC) { |
1605 | aLCEFx.Append(aCSx); |
1606 | aMFP.Add(aFx); |
1607 | } |
1608 | } |
1609 | // |
1610 | // F2 |
1611 | BOPTools_AlgoTools::GetFaceOff(aE1, aF1, aLCEFx, aF2, theContext); |
1612 | // |
1613 | aCFF.SetShape1(aF1); |
1614 | aCFF.SetShape2(aF2); |
1615 | theLCFF.Append(aCFF); |
1616 | // |
1617 | aMFP.Add(aF1); |
1618 | aMFP.Add(aF2); |
1619 | // |
1620 | // refine aLCEF |
1621 | aLCEFx.Clear(); |
1622 | aLCEFx=aLCEF; |
1623 | aLCEF.Clear(); |
1624 | aIt.Initialize(aLCEFx); |
1625 | for (; aIt.More(); aIt.Next()) { |
1626 | const BOPTools_CoupleOfShape& aCSx=aIt.Value(); |
1627 | const TopoDS_Shape& aFx=aCSx.Shape2(); |
1628 | if (!aMFP.Contains(aFx)) { |
1629 | aLCEF.Append(aCSx); |
1630 | } |
1631 | } |
1632 | // |
1633 | aNbCEF=aLCEF.Extent(); |
1634 | }//while(aNbCEF) { |
1635 | // |
1636 | return bFound; |
1637 | } |
1638 | //======================================================================= |
1639 | //function : AngleWithRef |
1640 | //purpose : |
1641 | //======================================================================= |
1642 | Standard_Real AngleWithRef(const gp_Dir& theD1, |
1643 | const gp_Dir& theD2, |
1644 | const gp_Dir& theDRef) |
1645 | { |
1646 | Standard_Real aCosinus, aSinus, aBeta, aHalfPI, aScPr; |
1647 | gp_XYZ aXYZ; |
1648 | // |
1649 | aHalfPI=0.5*M_PI; |
1650 | // |
1651 | const gp_XYZ& aXYZ1=theD1.XYZ(); |
1652 | const gp_XYZ& aXYZ2=theD2.XYZ(); |
1653 | aXYZ=aXYZ1.Crossed(aXYZ2); |
1654 | aSinus=aXYZ.Modulus(); |
1655 | aCosinus=theD1*theD2; |
1656 | // |
1657 | aBeta=0.; |
1658 | if (aSinus>=0.) { |
1659 | aBeta=aHalfPI*(1.-aCosinus); |
1660 | } |
1661 | else { |
1662 | aBeta=2.*M_PI-aHalfPI*(3.+aCosinus); |
1663 | } |
1664 | // |
1665 | aScPr=aXYZ.Dot(theDRef.XYZ()); |
1666 | if (aScPr<0.) { |
1667 | aBeta=-aBeta; |
1668 | } |
1669 | return aBeta; |
1670 | } |
4e57c75e |
1671 | //======================================================================= |
1672 | // function: IsBlockInOnFace |
1673 | // purpose: |
1674 | //======================================================================= |
505abfb8 |
1675 | Standard_Boolean BOPTools_AlgoTools::IsBlockInOnFace |
1676 | (const IntTools_Range& aShrR, |
1677 | const TopoDS_Face& aF, |
1678 | const TopoDS_Edge& aE1, |
1679 | Handle(BOPInt_Context)& aContext) |
4e57c75e |
1680 | { |
1681 | Standard_Boolean bFlag; |
1682 | Standard_Real f1, l1, ULD, VLD; |
1683 | gp_Pnt2d aP2D; |
1684 | gp_Pnt aP11, aP12; |
1685 | // |
1686 | aShrR.Range(f1, l1); |
1687 | Standard_Real dt=0.0075, k;//dt=0.001, k; |
1688 | k=dt*(l1-f1); |
1689 | f1=f1+k; |
1690 | l1=l1-k; |
1691 | // |
1692 | // Treatment P11 |
1693 | BOPTools_AlgoTools::PointOnEdge(aE1, f1, aP11); |
1694 | // |
1695 | GeomAPI_ProjectPointOnSurf& aProjector=aContext->ProjPS(aF); |
1696 | aProjector.Perform(aP11); |
1697 | // |
1698 | bFlag=aProjector.IsDone(); |
1699 | if (!bFlag) { |
1700 | return bFlag; |
1701 | } |
1702 | |
1703 | aProjector.LowerDistanceParameters(ULD, VLD); |
1704 | aP2D.SetCoord(ULD, VLD); |
1705 | // |
1706 | bFlag=aContext->IsPointInOnFace (aF, aP2D); |
1707 | // |
1708 | if (!bFlag) { |
1709 | return bFlag; |
1710 | } |
1711 | // |
1712 | // Treatment P12 |
1713 | BOPTools_AlgoTools::PointOnEdge(aE1, l1, aP12); |
1714 | // |
1715 | aProjector.Perform(aP12); |
1716 | // |
1717 | bFlag=aProjector.IsDone(); |
1718 | if (!bFlag) { |
1719 | return bFlag; |
1720 | } |
1721 | |
1722 | aProjector.LowerDistanceParameters(ULD, VLD); |
1723 | aP2D.SetCoord(ULD, VLD); |
1724 | // |
1725 | bFlag=aContext->IsPointInOnFace (aF, aP2D); |
1726 | // |
1727 | if (!bFlag) { |
1728 | return bFlag; |
1729 | } |
1730 | // |
1731 | // Treatment intemediate |
1732 | Standard_Real m1, aTolF, aTolE, aTol, aDist; |
1733 | m1=IntTools_Tools::IntermediatePoint(f1, l1); |
1734 | BOPTools_AlgoTools::PointOnEdge(aE1, m1, aP12); |
1735 | // |
1736 | aProjector.Perform(aP12); |
1737 | // |
1738 | bFlag=aProjector.IsDone(); |
1739 | if (!bFlag) { |
1740 | return bFlag; |
1741 | } |
1742 | // |
1743 | aTolE=BRep_Tool::Tolerance(aE1); |
1744 | aTolF=BRep_Tool::Tolerance(aF); |
1745 | aTol=aTolE+aTolF; |
1746 | aDist=aProjector.LowerDistance(); |
1747 | if (aDist > aTol){ |
1748 | return Standard_False; |
1749 | } |
1750 | |
1751 | aProjector.LowerDistanceParameters(ULD, VLD); |
1752 | aP2D.SetCoord(ULD, VLD); |
1753 | // |
1754 | bFlag=aContext->IsPointInOnFace (aF, aP2D); |
1755 | // |
1756 | if (!bFlag) { |
1757 | return bFlag; |
1758 | } |
1759 | return bFlag; |
1760 | } |
1761 | |
4e57c75e |
1762 | //======================================================================= |
1763 | //function : IsMicroEdge |
1764 | //purpose : |
1765 | //======================================================================= |
505abfb8 |
1766 | Standard_Boolean BOPTools_AlgoTools::IsMicroEdge |
1767 | (const TopoDS_Edge& aE, |
1768 | const Handle(BOPInt_Context)& aCtx) |
4e57c75e |
1769 | { |
1770 | Standard_Boolean bRet; |
1771 | Standard_Integer iErr; |
1772 | Standard_Real aT1, aT2, aTmp; |
1773 | Handle(Geom_Curve) aC3D; |
1774 | TopoDS_Vertex aV1, aV2; |
1775 | // |
1776 | bRet=(BRep_Tool::Degenerated(aE) || |
1777 | !BRep_Tool::IsGeometric(aE)); |
1778 | if (bRet) { |
1779 | return bRet; |
1780 | } |
1781 | // |
1782 | aC3D=BRep_Tool::Curve(aE, aT1, aT2); |
1783 | TopExp::Vertices(aE, aV1, aV2); |
1784 | aT1=BRep_Tool::Parameter(aV1, aE); |
1785 | aT2=BRep_Tool::Parameter(aV2, aE); |
1786 | if (aT2<aT1) { |
1787 | aTmp=aT1; |
1788 | aT1=aT2; |
1789 | aT2=aTmp; |
1790 | } |
1791 | // |
1792 | BOPInt_ShrunkRange aSR; |
505abfb8 |
1793 | aSR.SetContext(aCtx); |
1794 | aSR.SetData(aE, aT1, aT2, aV1, aV2); |
4e57c75e |
1795 | aSR.Perform(); |
1796 | iErr=aSR.ErrorStatus(); |
1797 | bRet = !(iErr==0); |
1798 | // |
1799 | return bRet; |
1800 | } |
1801 | |
4e57c75e |
1802 | //======================================================================= |
df017cc9 |
1803 | //function : GetFaceDir |
1804 | //purpose : Get binormal direction for the face in the point aP |
1805 | //======================================================================= |
bb58e462 |
1806 | void GetFaceDir(const TopoDS_Edge& aE, |
1807 | const TopoDS_Face& aF, |
1808 | const gp_Pnt& aP, |
1809 | const Standard_Real aT, |
1810 | const gp_Dir& aDTgt, |
1811 | gp_Dir& aDN, |
1812 | gp_Dir& aDB, |
1813 | Handle(BOPInt_Context)& theContext, |
1814 | GeomAPI_ProjectPointOnSurf& aProjPL) |
df017cc9 |
1815 | { |
1816 | BOPTools_AlgoTools3D::GetNormalToFaceOnEdge(aE, aF, aT, aDN); |
1817 | if (aF.Orientation()==TopAbs_REVERSED){ |
1818 | aDN.Reverse(); |
1819 | } |
1820 | aDB = aDN^aDTgt; |
1821 | // |
bb58e462 |
1822 | gp_Pnt aPx; |
1823 | if (!FindPointInFace(aE, aF, aP, aDB, aPx, theContext, aProjPL)) { |
505abfb8 |
1824 | BOPTools_AlgoTools3D::GetApproxNormalToFaceOnEdge(aE, aF, aT, aPx, |
1825 | aDN, theContext); |
bb58e462 |
1826 | aProjPL.Perform(aPx); |
1827 | aPx = aProjPL.NearestPoint(); |
1828 | gp_Vec aVec(aP, aPx); |
1829 | aDB.SetXYZ(aVec.XYZ()); |
4e57c75e |
1830 | } |
df017cc9 |
1831 | } |
1832 | |
1833 | //======================================================================= |
1834 | //function : FindPointInFace |
1835 | //purpose : Find a point in the face in direction of <aDB> |
1836 | //======================================================================= |
bb58e462 |
1837 | Standard_Boolean FindPointInFace(const TopoDS_Edge& aE, |
1838 | const TopoDS_Face& aF, |
1839 | const gp_Pnt& aP, |
1840 | gp_Dir& aDB, |
1841 | gp_Pnt& aPOut, |
1842 | Handle(BOPInt_Context)& theContext, |
1843 | GeomAPI_ProjectPointOnSurf& aProjPL) |
df017cc9 |
1844 | { |
1845 | Standard_Integer aNbItMax; |
1846 | Standard_Real aDt, aDtMin, aTolE, aTolF, aDist; |
1847 | Standard_Boolean bRet; |
1848 | gp_Pnt aP1; |
bb58e462 |
1849 | BRepAdaptor_Surface aBAS; |
4e57c75e |
1850 | // |
df017cc9 |
1851 | bRet = Standard_False; |
1852 | aTolE = BRep_Tool::Tolerance(aE); |
1853 | aTolF = BRep_Tool::Tolerance(aF); |
1854 | aDt = 2*(aTolE+aTolF); |
bb58e462 |
1855 | aBAS.Initialize(aF, Standard_False); |
df017cc9 |
1856 | // |
1857 | aDtMin=5.e-4; |
1858 | if (aDt < aDtMin) { |
1859 | Standard_Real aR; |
bb58e462 |
1860 | GeomAbs_SurfaceType aSType=aBAS.GetType(); |
df017cc9 |
1861 | switch (aSType) { |
1862 | case GeomAbs_Cylinder: |
bb58e462 |
1863 | aR = aBAS.Cylinder().Radius(); |
df017cc9 |
1864 | break; |
b92a64cc |
1865 | case GeomAbs_Cone: { |
1866 | gp_Lin aL(aBAS.Cone().Axis()); |
1867 | aR = aL.Distance(aP); |
df017cc9 |
1868 | break; |
b92a64cc |
1869 | } |
df017cc9 |
1870 | case GeomAbs_Sphere: |
bb58e462 |
1871 | aR = aBAS.Sphere().Radius(); |
df017cc9 |
1872 | break; |
1873 | case GeomAbs_Torus: |
bb58e462 |
1874 | aR = aBAS.Torus().MinorRadius(); |
df017cc9 |
1875 | break; |
1876 | case GeomAbs_SurfaceOfRevolution: |
1877 | aR=1.; |
1878 | break; |
1879 | default: |
1880 | aR=0.001; |
1881 | } |
1882 | if (aR < 0.01) { |
1883 | aDtMin=5.e-6; |
1884 | } |
1885 | else if (aR > 100.) { |
1886 | aDtMin*=10; |
1887 | } |
1888 | if (aDt < aDtMin) { |
1889 | aDt=aDtMin; |
4e57c75e |
1890 | } |
1891 | } |
1892 | // |
df017cc9 |
1893 | GeomAPI_ProjectPointOnSurf& aProj=theContext->ProjPS(aF); |
1894 | aNbItMax = 15; |
4e57c75e |
1895 | // |
df017cc9 |
1896 | do { |
1897 | aP1.SetCoord(aP.X()+aDt*aDB.X(), |
1898 | aP.Y()+aDt*aDB.Y(), |
1899 | aP.Z()+aDt*aDB.Z()); |
1900 | // |
1901 | aProj.Perform(aP1); |
1902 | if (!aProj.IsDone()) { |
1903 | return bRet; |
1904 | } |
1905 | aPOut = aProj.NearestPoint(); |
1906 | aDist = aProj.LowerDistance(); |
1907 | // |
bb58e462 |
1908 | aProjPL.Perform(aPOut); |
1909 | aPOut = aProjPL.NearestPoint(); |
1910 | // |
df017cc9 |
1911 | gp_Vec aV(aP, aPOut); |
1912 | aDB.SetXYZ(aV.XYZ()); |
1913 | } while (aDist>Precision::Angular() && --aNbItMax); |
4e57c75e |
1914 | // |
df017cc9 |
1915 | bRet = aDist < Precision::Angular(); |
1916 | return bRet; |
4e57c75e |
1917 | } |
30ecd5f8 |
1918 | //======================================================================= |
1919 | //function : IsOpenShell |
1920 | //purpose : |
1921 | //======================================================================= |
505abfb8 |
1922 | Standard_Boolean BOPTools_AlgoTools::IsOpenShell(const TopoDS_Shell& aSh) |
30ecd5f8 |
1923 | { |
1924 | Standard_Boolean bRet; |
1925 | Standard_Integer i, aNbE, aNbF; |
1926 | TopAbs_Orientation aOrF; |
1927 | BOPCol_IndexedDataMapOfShapeListOfShape aMEF; |
1928 | BOPCol_ListIteratorOfListOfShape aItLS; |
1929 | // |
1930 | bRet=Standard_False; |
1931 | // |
1932 | BOPTools::MapShapesAndAncestors(aSh, TopAbs_EDGE, TopAbs_FACE, aMEF); |
1933 | // |
1934 | aNbE=aMEF.Extent(); |
1935 | for (i=1; i<=aNbE; ++i) { |
1936 | const TopoDS_Edge& aE=*((TopoDS_Edge*)&aMEF.FindKey(i)); |
1937 | if (BRep_Tool::Degenerated(aE)) { |
1938 | continue; |
1939 | } |
1940 | // |
1941 | aNbF=0; |
1942 | const BOPCol_ListOfShape& aLF=aMEF(i); |
1943 | aItLS.Initialize(aLF); |
1944 | for (; aItLS.More(); aItLS.Next()) { |
1945 | const TopoDS_Shape& aF=aItLS.Value(); |
1946 | aOrF=aF.Orientation(); |
1947 | if (aOrF==TopAbs_INTERNAL || aOrF==TopAbs_EXTERNAL) { |
505abfb8 |
1948 | continue; |
30ecd5f8 |
1949 | } |
1950 | ++aNbF; |
1951 | } |
1952 | // |
1953 | if (aNbF==1) { |
1954 | bRet=!bRet; // True |
1955 | break; |
1956 | } |
1957 | } |
1958 | // |
1959 | return bRet; |
1960 | } |
1961 | //======================================================================= |
1962 | //function : IsInvertedSolid |
1963 | //purpose : |
1964 | //======================================================================= |
1965 | Standard_Boolean |
1966 | BOPTools_AlgoTools::IsInvertedSolid(const TopoDS_Solid& aSolid) |
1967 | { |
1968 | Standard_Real aTolS; |
1969 | TopAbs_State aState; |
1970 | BRepClass3d_SolidClassifier aSC(aSolid); |
1971 | // |
1972 | aTolS=1.e-7; |
1973 | aSC.PerformInfinitePoint(aTolS); |
1974 | aState=aSC.State(); |
1975 | return (aState==TopAbs_IN); |
1976 | } |