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