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1 | // Created on: 1993-10-15 |
2 | // Created by: Remi LEQUETTE |
3 | // Copyright (c) 1993-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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8 | // This library is free software; you can redistribute it and/or modify it under |
9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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10 | // by the Free Software Foundation, with special exception defined in the file |
11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
12 | // distribution for complete text of the license and disclaimer of any warranty. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
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16 | |
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17 | #include <BRepAlgoAPI_BooleanOperation.ixx> |
18 | |
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19 | #include <BRepAlgoAPI.hxx> |
20 | #include <BRepAlgoAPI_Check.hxx> |
21 | |
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22 | #include <BRepLib_FuseEdges.hxx> |
23 | #include <TopExp.hxx> |
24 | #include <TopTools_MapOfShape.hxx> |
25 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
26 | |
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27 | #include <BOPDS_DS.hxx> |
28 | |
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29 | #include <BOPAlgo_PaveFiller.hxx> |
30 | #include <BOPAlgo_BOP.hxx> |
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31 | #include <BOPAlgo_Section.hxx> |
32 | |
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33 | |
34 | //======================================================================= |
35 | //function : BRepAlgoAPI_BooleanOperation |
36 | //purpose : |
37 | //======================================================================= |
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38 | BRepAlgoAPI_BooleanOperation::BRepAlgoAPI_BooleanOperation |
39 | (const TopoDS_Shape& aS1, |
40 | const TopoDS_Shape& aS2, |
41 | const BOPAlgo_Operation anOp) |
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42 | : |
43 | myS1(aS1), |
44 | myS2(aS2), |
45 | myBuilderCanWork(Standard_False), |
46 | myOperation(anOp), |
47 | myErrorStatus(1), |
48 | myDSFiller(NULL), |
49 | myBuilder(NULL), |
50 | myEntryType(1), |
51 | myFuseEdges(Standard_False) |
52 | { |
53 | } |
54 | //======================================================================= |
55 | //function : BRepAlgoAPI_BooleanOperation |
56 | //purpose : |
57 | //======================================================================= |
58 | BRepAlgoAPI_BooleanOperation::BRepAlgoAPI_BooleanOperation(const TopoDS_Shape& aS1, |
4e57c75e |
59 | const TopoDS_Shape& aS2, |
60 | const BOPAlgo_PaveFiller& aDSFiller, |
61 | const BOPAlgo_Operation anOp) |
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62 | : |
63 | myS1(aS1), |
64 | myS2(aS2), |
65 | myBuilderCanWork(Standard_False), |
66 | myOperation(anOp), |
67 | myErrorStatus(1), |
68 | myDSFiller(NULL), |
69 | myBuilder(NULL), |
70 | myEntryType(0), |
71 | myFuseEdges(Standard_False) |
72 | { |
73 | if ((Standard_Address) &aDSFiller!=NULL) { |
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74 | myDSFiller=(BOPAlgo_PaveFiller*)&aDSFiller; |
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75 | } |
76 | } |
77 | //======================================================================= |
78 | //function : Destroy |
79 | //purpose : |
80 | //======================================================================= |
81 | void BRepAlgoAPI_BooleanOperation::Destroy() |
82 | { |
83 | if (myBuilder!=NULL) { |
84 | delete myBuilder; |
85 | myBuilder=NULL; |
86 | } |
87 | if (myDSFiller!=NULL && myEntryType) { |
88 | delete myDSFiller; |
89 | myDSFiller=NULL; |
90 | } |
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91 | |
92 | // |
93 | myModifFaces.Clear(); |
94 | myEdgeMap.Clear(); |
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95 | } |
96 | //======================================================================= |
97 | //function : SetOperation |
98 | //purpose : |
99 | //======================================================================= |
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100 | void BRepAlgoAPI_BooleanOperation::SetOperation (const BOPAlgo_Operation anOp) |
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101 | { |
102 | myOperation=anOp; |
103 | } |
104 | //======================================================================= |
105 | //function : Operation |
106 | //purpose : |
107 | //======================================================================= |
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108 | BOPAlgo_Operation BRepAlgoAPI_BooleanOperation::Operation ()const |
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109 | { |
110 | return myOperation; |
111 | } |
112 | |
113 | //======================================================================= |
114 | //function : FuseEdges |
115 | //purpose : |
116 | //======================================================================= |
117 | Standard_Boolean BRepAlgoAPI_BooleanOperation::FuseEdges ()const |
118 | { |
119 | return myFuseEdges; |
120 | } |
121 | |
122 | //======================================================================= |
123 | //function : Shape1 |
124 | //purpose : |
125 | //======================================================================= |
126 | const TopoDS_Shape& BRepAlgoAPI_BooleanOperation::Shape1() const |
127 | { |
128 | return myS1; |
129 | } |
130 | |
131 | //======================================================================= |
132 | //function : Shape2 |
133 | //purpose : |
134 | //======================================================================= |
135 | const TopoDS_Shape& BRepAlgoAPI_BooleanOperation::Shape2() const |
136 | { |
137 | return myS2; |
138 | } |
139 | |
140 | //======================================================================= |
141 | //function : BuilderCanWork |
142 | //purpose : |
143 | //======================================================================= |
144 | Standard_Boolean BRepAlgoAPI_BooleanOperation::BuilderCanWork() const |
145 | { |
146 | return myBuilderCanWork; |
147 | } |
148 | //======================================================================= |
149 | //function : ErrorStatus |
150 | //purpose : |
151 | //======================================================================= |
152 | Standard_Integer BRepAlgoAPI_BooleanOperation::ErrorStatus()const |
153 | { |
154 | return myErrorStatus; |
155 | } |
156 | //======================================================================= |
157 | //function : Modified |
158 | //purpose : |
159 | //======================================================================= |
160 | const TopTools_ListOfShape& BRepAlgoAPI_BooleanOperation::Modified(const TopoDS_Shape& aS) |
161 | { |
162 | if (myBuilder==NULL) { |
163 | myGenerated.Clear(); |
164 | return myGenerated; |
165 | } |
166 | else { |
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167 | myGenerated = myBuilder->Modified(aS); |
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168 | |
169 | if(myFuseEdges) { |
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170 | TopTools_ListOfShape theLS; |
171 | theLS.Assign(myGenerated); |
172 | // |
173 | RefinedList(theLS); |
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174 | } |
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175 | return myGenerated; |
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176 | } |
177 | } |
178 | |
179 | //======================================================================= |
180 | //function : IsDeleted |
181 | //purpose : |
182 | //======================================================================= |
183 | Standard_Boolean BRepAlgoAPI_BooleanOperation::IsDeleted(const TopoDS_Shape& aS) |
184 | { |
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185 | Standard_Boolean bDeleted = Standard_True; |
186 | if (myBuilder != NULL) { |
187 | bDeleted=myBuilder->IsDeleted(aS); |
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188 | } |
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189 | return bDeleted; |
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190 | } |
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191 | |
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192 | //======================================================================= |
193 | //function : PrepareFiller |
194 | //purpose : |
195 | //======================================================================= |
196 | Standard_Boolean BRepAlgoAPI_BooleanOperation::PrepareFiller() |
197 | { |
198 | Standard_Boolean bIsNewFiller=Standard_False; |
199 | myErrorStatus=1; |
200 | // |
201 | if (myS1.IsNull() || myS2.IsNull()) { |
202 | myErrorStatus=2; |
203 | return bIsNewFiller; |
204 | } |
205 | // |
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206 | if (myOperation==BOPAlgo_UNKNOWN) { |
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207 | myErrorStatus=6; |
208 | return bIsNewFiller; |
209 | } |
210 | // |
211 | if (myDSFiller==NULL) { |
212 | bIsNewFiller=!bIsNewFiller; |
213 | |
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214 | myDSFiller=new BOPAlgo_PaveFiller; |
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215 | // |
216 | if (myDSFiller==NULL) { |
217 | myErrorStatus=4; |
218 | return bIsNewFiller; |
219 | } |
220 | // |
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221 | BOPCol_ListOfShape aLS; |
222 | aLS.Append(myS1); |
223 | aLS.Append(myS2); |
224 | // |
225 | myDSFiller->SetArguments(aLS); |
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226 | } |
227 | |
228 | return bIsNewFiller; |
229 | } |
230 | //======================================================================= |
231 | //function : Build |
232 | //purpose : |
233 | //======================================================================= |
234 | void BRepAlgoAPI_BooleanOperation::Build() |
235 | { |
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236 | Standard_Boolean bIsNewFiller; |
237 | Standard_Integer iErr; |
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238 | // |
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239 | //dump arguments and result of boolean operation in tcl script |
240 | char *pathdump = getenv("CSF_DEBUG_BOP"); |
241 | Standard_Boolean isDump = (pathdump != NULL), |
242 | isDumpArgs = Standard_False, |
243 | isDumpRes = Standard_False; |
244 | Standard_CString aPath = pathdump; |
245 | // |
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246 | myBuilderCanWork=Standard_False; |
247 | NotDone(); |
248 | // |
249 | bIsNewFiller=PrepareFiller(); |
250 | // |
251 | if (myErrorStatus!=1) { |
252 | // there was errors during the preparation |
253 | return; |
254 | } |
255 | // |
256 | if (bIsNewFiller) { |
257 | //Prepare the DS |
258 | myDSFiller->Perform(); |
259 | } |
260 | // |
261 | if (myBuilder!=NULL) { |
262 | delete myBuilder; |
263 | myBuilder=NULL; |
264 | } |
265 | // |
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266 | const TopoDS_Shape& aS1 = myS1; |
267 | const TopoDS_Shape& aS2 = myS2; |
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268 | // |
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269 | if (isDump) { |
270 | BRepAlgoAPI_Check aChekArgs(aS1, aS2, myOperation); |
271 | isDumpArgs = !aChekArgs.IsValid(); |
272 | } |
273 | // |
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274 | myShape.Nullify(); |
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275 | // |
276 | if (myOperation==BOPAlgo_SECTION) { |
277 | myBuilder=new BOPAlgo_Section; |
278 | myBuilder->AddArgument(aS1); |
279 | myBuilder->AddArgument(aS2); |
280 | } |
281 | else { |
282 | BOPAlgo_BOP *pBOP; |
283 | // |
284 | pBOP=new BOPAlgo_BOP; |
285 | myBuilder=pBOP; |
286 | pBOP->AddArgument(aS1); |
287 | pBOP->AddTool(aS2); |
288 | pBOP->SetOperation(myOperation); |
289 | } |
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290 | // |
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291 | myBuilder->PerformWithFiller(*myDSFiller); |
292 | iErr = myBuilder->ErrorStatus(); |
293 | if (!iErr) { |
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294 | myErrorStatus=0; |
295 | myBuilderCanWork=Standard_True; |
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296 | myShape=myBuilder->Shape(); |
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297 | // |
298 | if (isDump) { |
299 | BRepAlgoAPI_Check aCheckRes(myShape); |
300 | isDumpRes = !aCheckRes.IsValid(); |
301 | if (isDumpArgs || isDumpRes) { |
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302 | BRepAlgoAPI::DumpOper(aPath, |
303 | aS1, |
304 | aS2, |
305 | myShape, |
306 | myOperation, |
307 | isDumpArgs); |
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308 | } |
309 | } |
310 | // |
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311 | Done(); |
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312 | } |
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313 | else { |
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314 | myErrorStatus=100+iErr; |
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315 | NotDone(); |
316 | } |
317 | } |
318 | |
319 | // |
320 | //======================================================================= |
321 | //function : SectionEdges |
322 | //purpose : |
323 | //======================================================================= |
324 | const TopTools_ListOfShape& BRepAlgoAPI_BooleanOperation::SectionEdges() |
325 | { |
326 | if (myBuilder==NULL) { |
327 | myGenerated.Clear(); |
328 | return myGenerated; |
329 | } |
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330 | // |
331 | Standard_Integer aNb, i, j, aNbCurves, nE; |
332 | BOPDS_ListIteratorOfListOfPaveBlock anIt; |
333 | // |
334 | const BOPDS_PDS& pDS = myDSFiller->PDS(); |
335 | BOPDS_VectorOfInterfFF& aFFs=pDS->InterfFF(); |
336 | myGenerated.Clear(); |
337 | // |
338 | aNb=aFFs.Extent(); |
339 | for (i = 0; i < aNb; i++) { |
340 | BOPDS_InterfFF& aFFi=aFFs(i); |
341 | const BOPDS_VectorOfCurve& aSeqOfCurve=aFFi.Curves(); |
342 | // |
343 | aNbCurves=aSeqOfCurve.Extent(); |
344 | for (j=0; j<aNbCurves; j++) { |
345 | const BOPDS_Curve& aCurve=aSeqOfCurve(j); |
346 | const BOPDS_ListOfPaveBlock& aSectEdges = aCurve.PaveBlocks(); |
347 | // |
348 | anIt.Initialize(aSectEdges); |
349 | for(; anIt.More(); anIt.Next()) { |
350 | const Handle(BOPDS_PaveBlock)& aPB = anIt.Value(); |
351 | nE = aPB->Edge(); |
352 | const TopoDS_Shape& aE = pDS->Shape(nE); |
353 | myGenerated.Append(aE); |
354 | } |
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355 | } |
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356 | } |
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357 | // |
358 | if(myFuseEdges) { |
359 | TopTools_ListOfShape theLS; |
360 | theLS.Assign(myGenerated); |
361 | // |
362 | RefinedList(theLS); |
363 | } |
364 | // |
365 | return myGenerated; |
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366 | } |
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367 | |
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368 | // ================================================================================================ |
369 | // function: Generated |
370 | // purpose: |
371 | // ================================================================================================ |
372 | const TopTools_ListOfShape& BRepAlgoAPI_BooleanOperation::Generated(const TopoDS_Shape& S) |
373 | { |
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374 | if (myBuilder==NULL) { |
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375 | myGenerated.Clear(); |
376 | return myGenerated; |
377 | } |
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378 | // |
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379 | if(myFuseEdges) { |
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380 | const TopTools_ListOfShape& aL = myBuilder->Generated(S); |
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381 | return RefinedList(aL); |
382 | } |
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383 | |
384 | return myBuilder->Generated(S); |
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385 | } |
386 | |
387 | // ================================================================================================ |
388 | // function: HasModified |
389 | // purpose: |
390 | // ================================================================================================ |
391 | Standard_Boolean BRepAlgoAPI_BooleanOperation::HasModified() const |
392 | { |
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393 | if (myBuilder==NULL) { |
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394 | return Standard_False; |
395 | } |
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396 | return myBuilder->HasModified(); |
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397 | } |
398 | |
399 | // ================================================================================================ |
400 | // function: HasGenerated |
401 | // purpose: |
402 | // ================================================================================================ |
403 | Standard_Boolean BRepAlgoAPI_BooleanOperation::HasGenerated() const |
404 | { |
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405 | if (myBuilder==NULL) { |
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406 | return Standard_False; |
407 | } |
4e57c75e |
408 | return myBuilder->HasGenerated(); |
7fd59977 |
409 | } |
410 | |
411 | // ================================================================================================ |
412 | // function: HasDeleted |
413 | // purpose: |
414 | // ================================================================================================ |
415 | Standard_Boolean BRepAlgoAPI_BooleanOperation::HasDeleted() const |
416 | { |
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417 | if (myBuilder==NULL) { |
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418 | return Standard_False; |
419 | } |
4e57c75e |
420 | return myBuilder->HasDeleted(); |
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421 | } |
422 | //======================================================================= |
423 | //function : RefineEdges |
424 | //purpose : |
425 | //======================================================================= |
426 | |
427 | void BRepAlgoAPI_BooleanOperation::RefineEdges () |
428 | { |
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429 | if(myFuseEdges) return; //Edges have been refined yet |
430 | |
431 | BRepLib_FuseEdges FE(myShape); |
432 | FE.SetConcatBSpl(Standard_True); |
433 | |
434 | // avoid fusing old edges |
435 | TopTools_IndexedMapOfShape mapOldEdges; |
436 | TopExp::MapShapes (myS1, TopAbs_EDGE, mapOldEdges); |
437 | TopExp::MapShapes (myS2, TopAbs_EDGE, mapOldEdges); |
438 | FE.AvoidEdges (mapOldEdges); |
439 | |
440 | // Get List of edges that have been fused |
441 | myFuseEdges = Standard_False; |
442 | myModifFaces.Clear(); |
443 | myEdgeMap.Clear(); |
444 | TopTools_DataMapOfIntegerListOfShape aFusedEdges; |
445 | |
446 | FE.Edges(aFusedEdges); |
447 | Standard_Integer nle = aFusedEdges.Extent(); |
448 | if (nle != 0) { |
449 | FE.Perform(); |
450 | myShape = FE.Shape(); |
451 | |
452 | TopTools_DataMapOfIntegerShape aResultEdges; |
453 | |
454 | FE.ResultEdges(aResultEdges); |
455 | FE.Faces(myModifFaces); |
456 | myFuseEdges = Standard_True; |
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457 | |
458 | Standard_Integer i; |
459 | for(i = 1; i <= nle; ++i) { |
460 | const TopoDS_Shape& aNewE = aResultEdges(i); |
461 | const TopTools_ListOfShape& aListOfOldEdges = aFusedEdges(i); |
462 | TopTools_ListIteratorOfListOfShape anIter(aListOfOldEdges); |
463 | for(; anIter.More(); anIter.Next()) { |
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464 | myEdgeMap.Bind(anIter.Value(), aNewE); |
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465 | } |
466 | } |
467 | } |
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468 | } |
469 | |
470 | //======================================================================= |
471 | //function : RefinedList |
472 | //purpose : |
473 | //======================================================================= |
474 | const TopTools_ListOfShape& |
475 | BRepAlgoAPI_BooleanOperation::RefinedList(const TopTools_ListOfShape& theL) |
476 | { |
477 | myGenerated.Clear(); |
478 | TopTools_MapOfShape aMap; |
479 | |
480 | TopTools_ListIteratorOfListOfShape anIter(theL); |
481 | |
482 | for(; anIter.More(); anIter.Next()) { |
483 | const TopoDS_Shape& anS = anIter.Value(); |
484 | |
485 | if(anS.ShapeType() == TopAbs_EDGE) { |
486 | if(myEdgeMap.IsBound(anS)) { |
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487 | const TopoDS_Shape& aNewEdge = myEdgeMap.Find(anS); |
488 | if(aMap.Add(aNewEdge)) { |
489 | myGenerated.Append(aNewEdge); |
490 | } |
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491 | } |
492 | else { |
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493 | myGenerated.Append(anS); |
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494 | } |
495 | } |
496 | else if (anS.ShapeType() == TopAbs_FACE) { |
497 | if(myModifFaces.IsBound(anS)) { |
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498 | myGenerated.Append(myModifFaces.Find(anS)); |
7fd59977 |
499 | } |
500 | else { |
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501 | myGenerated.Append(anS); |
7fd59977 |
502 | } |
503 | } |
504 | else { |
505 | myGenerated.Append(anS); |
506 | } |
507 | } |
508 | |
509 | return myGenerated; |
510 | |
511 | } |