| 1 | // Created by: Peter KURNEV |
| 2 | // Copyright (c) 2010-2012 OPEN CASCADE SAS |
| 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 | // |
| 7 | // The content of this file is subject to the Open CASCADE Technology Public |
| 8 | // License Version 6.5 (the "License"). You may not use the content of this file |
| 9 | // except in compliance with the License. Please obtain a copy of the License |
| 10 | // at http://www.opencascade.org and read it completely before using this file. |
| 11 | // |
| 12 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
| 13 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
| 14 | // |
| 15 | // The Original Code and all software distributed under the License is |
| 16 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
| 17 | // Initial Developer hereby disclaims all such warranties, including without |
| 18 | // limitation, any warranties of merchantability, fitness for a particular |
| 19 | // purpose or non-infringement. Please see the License for the specific terms |
| 20 | // and conditions governing the rights and limitations under the License. |
| 21 | |
| 22 | |
| 23 | #include <BOPTools_AlgoTools.ixx> |
| 24 | // |
| 25 | #include <Precision.hxx> |
| 26 | // |
| 27 | #include <gp_Pnt.hxx> |
| 28 | #include <gp_XYZ.hxx> |
| 29 | #include <gp_Pnt2d.hxx> |
| 30 | // |
| 31 | #include <Geom2d_Curve.hxx> |
| 32 | #include <Geom_Surface.hxx> |
| 33 | #include <Geom_TrimmedCurve.hxx> |
| 34 | #include <Geom_Curve.hxx> |
| 35 | #include <GeomAPI_ProjectPointOnSurf.hxx> |
| 36 | #include <Geom2dInt_Geom2dCurveTool.hxx> |
| 37 | // |
| 38 | #include <TopAbs_Orientation.hxx> |
| 39 | // |
| 40 | #include <TopoDS_Compound.hxx> |
| 41 | #include <TopoDS_CompSolid.hxx> |
| 42 | #include <TopoDS_Solid.hxx> |
| 43 | #include <TopoDS_Shell.hxx> |
| 44 | #include <TopoDS_Wire.hxx> |
| 45 | // |
| 46 | #include <BRep_Builder.hxx> |
| 47 | #include <BRep_Tool.hxx> |
| 48 | #include <BRepLib.hxx> |
| 49 | #include <BRepAdaptor_Curve2d.hxx> |
| 50 | #include <BRepClass3d_SolidClassifier.hxx> |
| 51 | #include <TopExp.hxx> |
| 52 | #include <TopExp_Explorer.hxx> |
| 53 | // |
| 54 | #include <IntTools_Tools.hxx> |
| 55 | // |
| 56 | #include <BOPTools_AlgoTools2D.hxx> |
| 57 | #include <BOPTools_AlgoTools3D.hxx> |
| 58 | // |
| 59 | #include <BOPCol_IndexedMapOfShape.hxx> |
| 60 | #include <BOPCol_MapOfShape.hxx> |
| 61 | // |
| 62 | #include <BOPTools.hxx> |
| 63 | #include <BOPTools_CoupleOfShape.hxx> |
| 64 | #include <BOPTools_ListOfCoupleOfShape.hxx> |
| 65 | #include <Geom_SurfaceOfLinearExtrusion.hxx> |
| 66 | #include <GeomAdaptor_Surface.hxx> |
| 67 | #include <gp_Cylinder.hxx> |
| 68 | #include <Geom_CylindricalSurface.hxx> |
| 69 | #include <gp_Lin.hxx> |
| 70 | #include <BOPInt_ShrunkRange.hxx> |
| 71 | |
| 72 | static |
| 73 | Standard_Real AngleWithRef(const gp_Dir& theD1, |
| 74 | const gp_Dir& theD2, |
| 75 | const gp_Dir& theDRef); |
| 76 | static |
| 77 | inline Standard_Real fsqrt(Standard_Real val); |
| 78 | |
| 79 | static |
| 80 | Standard_Boolean FindFacePairs (const TopoDS_Edge& theE, |
| 81 | const BOPCol_ListOfShape& thLF, |
| 82 | BOPTools_ListOfCoupleOfShape& theLCFF, |
| 83 | Handle(BOPInt_Context)& theContext); |
| 84 | static |
| 85 | TopAbs_Orientation Orientation(const TopoDS_Edge& anE, |
| 86 | const TopoDS_Face& aF); |
| 87 | |
| 88 | |
| 89 | |
| 90 | //======================================================================= |
| 91 | // function: MakeConnexityBlocks |
| 92 | // purpose: |
| 93 | //======================================================================= |
| 94 | void BOPTools_AlgoTools::MakeConnexityBlocks (const TopoDS_Shape& theS, |
| 95 | const TopAbs_ShapeEnum theType1, |
| 96 | const TopAbs_ShapeEnum theType2, |
| 97 | BOPCol_ListOfShape& theLCB) |
| 98 | { |
| 99 | Standard_Integer aNbF, aNbAdd, aNbAdd1, i; |
| 100 | BRep_Builder aBB; |
| 101 | TopoDS_Compound aC; |
| 102 | TopoDS_Iterator aIt; |
| 103 | TopExp_Explorer aExp; |
| 104 | BOPCol_MapOfShape aMP; |
| 105 | BOPCol_IndexedMapOfShape aMCB, aMAdd, aMAdd1; |
| 106 | BOPCol_IndexedDataMapOfShapeListOfShape aMEF; |
| 107 | BOPCol_ListIteratorOfListOfShape aItLF; |
| 108 | // |
| 109 | // 1. aMEF |
| 110 | BOPTools::MapShapesAndAncestors(theS, theType1, theType2, aMEF); |
| 111 | // |
| 112 | // 2. aMCB |
| 113 | aIt.Initialize(theS); |
| 114 | for (; aIt.More(); aIt.Next()) { |
| 115 | const TopoDS_Shape& aF1=aIt.Value(); |
| 116 | if (aMP.Contains(aF1)) { |
| 117 | continue; |
| 118 | } |
| 119 | // |
| 120 | aMCB.Clear(); |
| 121 | aMAdd.Clear(); |
| 122 | aMAdd.Add(aF1); |
| 123 | // |
| 124 | while(1) { |
| 125 | aMAdd1.Clear(); |
| 126 | // |
| 127 | aNbAdd = aMAdd.Extent(); |
| 128 | for (i=1; i<=aNbAdd; ++i) { |
| 129 | const TopoDS_Shape& aF=aMAdd(i); |
| 130 | // |
| 131 | aExp.Init(aF, theType1); |
| 132 | for (; aExp.More(); aExp.Next()) { |
| 133 | const TopoDS_Shape& aE=aExp.Current(); |
| 134 | // |
| 135 | const BOPCol_ListOfShape& aLF=aMEF.FindFromKey(aE); |
| 136 | aItLF.Initialize(aLF); |
| 137 | for (; aItLF.More(); aItLF.Next()) { |
| 138 | const TopoDS_Shape& aFx=aItLF.Value(); |
| 139 | if (aFx.IsSame(aF)) { |
| 140 | continue; |
| 141 | } |
| 142 | if (aMCB.Contains(aFx)) { |
| 143 | continue; |
| 144 | } |
| 145 | aMAdd1.Add(aFx); |
| 146 | } |
| 147 | }//for (; aExp.More(); aExp.Next()){ |
| 148 | aMCB.Add(aF); |
| 149 | }// for (i=1; i<=aNbAdd; ++i) { |
| 150 | // |
| 151 | aNbAdd1=aMAdd1.Extent(); |
| 152 | if (!aNbAdd1) { |
| 153 | break;// ->make new CB from aMCB |
| 154 | } |
| 155 | // |
| 156 | aMAdd.Clear(); |
| 157 | for (i=1; i<=aNbAdd1; ++i) { |
| 158 | const TopoDS_Shape& aFAdd = aMAdd1(i); |
| 159 | aMAdd.Add(aFAdd); |
| 160 | } |
| 161 | }//while(1) { |
| 162 | // |
| 163 | aNbF=aMCB.Extent(); |
| 164 | if (aNbF) { |
| 165 | aBB.MakeCompound(aC); |
| 166 | // |
| 167 | for (i=1; i<=aNbF; ++i) { |
| 168 | const TopoDS_Shape& aF=aMCB(i); |
| 169 | aBB.Add(aC, aF); |
| 170 | aMP.Add(aF); |
| 171 | } |
| 172 | theLCB.Append(aC); |
| 173 | } |
| 174 | }// for (; aIt.More(); aIt.Next()) |
| 175 | } |
| 176 | //======================================================================= |
| 177 | // function: OrientFacesOnShell |
| 178 | // purpose: |
| 179 | //======================================================================= |
| 180 | void BOPTools_AlgoTools::OrientFacesOnShell (TopoDS_Shape& aShell) |
| 181 | { |
| 182 | Standard_Boolean bIsProcessed1, bIsProcessed2; |
| 183 | Standard_Integer i, aNbE, aNbF, j; |
| 184 | TopAbs_Orientation anOrE1, anOrE2; |
| 185 | TopoDS_Face aF1x, aF2x; |
| 186 | TopoDS_Shape aShellNew; |
| 187 | BOPCol_IndexedDataMapOfShapeListOfShape aEFMap; |
| 188 | BOPCol_IndexedMapOfShape aProcessedFaces; |
| 189 | BRep_Builder aBB; |
| 190 | // |
| 191 | BOPTools_AlgoTools::MakeContainer(TopAbs_SHELL, aShellNew); |
| 192 | // |
| 193 | BOPTools::MapShapesAndAncestors(aShell, TopAbs_EDGE, TopAbs_FACE, aEFMap); |
| 194 | aNbE=aEFMap.Extent(); |
| 195 | // |
| 196 | // One seam edge in aEFMap contains 2 equivalent faces. |
| 197 | for (i=1; i<=aNbE; ++i) { |
| 198 | BOPCol_ListOfShape& aLF=aEFMap.ChangeFromIndex(i); |
| 199 | aNbF=aLF.Extent(); |
| 200 | if (aNbF>1) { |
| 201 | BOPCol_ListOfShape aLFTmp; |
| 202 | BOPCol_IndexedMapOfShape aFM; |
| 203 | // |
| 204 | BOPCol_ListIteratorOfListOfShape anIt(aLF); |
| 205 | for (; anIt.More(); anIt.Next()) { |
| 206 | const TopoDS_Shape& aF=anIt.Value(); |
| 207 | if (!aFM.Contains(aF)) { |
| 208 | aFM.Add(aF); |
| 209 | aLFTmp.Append(aF); |
| 210 | } |
| 211 | } |
| 212 | aLF.Clear(); |
| 213 | aLF=aLFTmp; |
| 214 | } |
| 215 | } |
| 216 | // |
| 217 | // Do |
| 218 | for (i=1; i<=aNbE; ++i) { |
| 219 | const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aEFMap.FindKey(i))); |
| 220 | if (BRep_Tool::Degenerated(aE)) { |
| 221 | continue; |
| 222 | } |
| 223 | // |
| 224 | const BOPCol_ListOfShape& aLF=aEFMap.FindFromIndex(i); |
| 225 | aNbF=aLF.Extent(); |
| 226 | if (aNbF!=2) { |
| 227 | continue; |
| 228 | } |
| 229 | // |
| 230 | TopoDS_Face& aF1=(*(TopoDS_Face*)(&aLF.First())); |
| 231 | TopoDS_Face& aF2=(*(TopoDS_Face*)(&aLF.Last())); |
| 232 | // |
| 233 | bIsProcessed1=aProcessedFaces.Contains(aF1); |
| 234 | bIsProcessed2=aProcessedFaces.Contains(aF2); |
| 235 | if (bIsProcessed1 && bIsProcessed2) { |
| 236 | continue; |
| 237 | } |
| 238 | |
| 239 | if (!bIsProcessed1 && !bIsProcessed2) { |
| 240 | aProcessedFaces.Add(aF1); |
| 241 | aBB.Add(aShellNew, aF1); |
| 242 | bIsProcessed1=!bIsProcessed1; |
| 243 | } |
| 244 | // |
| 245 | aF1x=aF1; |
| 246 | if (bIsProcessed1) { |
| 247 | j=aProcessedFaces.FindIndex(aF1); |
| 248 | aF1x=(*(TopoDS_Face*)(&aProcessedFaces.FindKey(j))); |
| 249 | } |
| 250 | // |
| 251 | aF2x=aF2; |
| 252 | if (bIsProcessed2) { |
| 253 | j=aProcessedFaces.FindIndex(aF2); |
| 254 | aF2x=(*(TopoDS_Face*)(&aProcessedFaces.FindKey(j))); |
| 255 | } |
| 256 | // |
| 257 | anOrE1=Orientation(aE, aF1x); |
| 258 | anOrE2=Orientation(aE, aF2x); |
| 259 | // |
| 260 | if (bIsProcessed1 && !bIsProcessed2) { |
| 261 | if (anOrE1==anOrE2) { |
| 262 | if (!BRep_Tool::IsClosed(aE, aF1) && |
| 263 | !BRep_Tool::IsClosed(aE, aF2)) { |
| 264 | aF2.Reverse(); |
| 265 | } |
| 266 | } |
| 267 | aProcessedFaces.Add(aF2); |
| 268 | aBB.Add(aShellNew, aF2); |
| 269 | } |
| 270 | else if (!bIsProcessed1 && bIsProcessed2) { |
| 271 | if (anOrE1==anOrE2) { |
| 272 | if (!BRep_Tool::IsClosed(aE, aF1) && |
| 273 | !BRep_Tool::IsClosed(aE, aF2)) { |
| 274 | aF1.Reverse(); |
| 275 | } |
| 276 | } |
| 277 | aProcessedFaces.Add(aF1); |
| 278 | aBB.Add(aShellNew, aF1); |
| 279 | } |
| 280 | } |
| 281 | // |
| 282 | // |
| 283 | for (i=1; i<=aNbE; ++i) { |
| 284 | const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aEFMap.FindKey(i))); |
| 285 | if (BRep_Tool::Degenerated(aE)) { |
| 286 | continue; |
| 287 | } |
| 288 | // |
| 289 | const BOPCol_ListOfShape& aLF=aEFMap.FindFromIndex(i); |
| 290 | aNbF=aLF.Extent(); |
| 291 | if (aNbF!=2) { |
| 292 | BOPCol_ListIteratorOfListOfShape anIt(aLF); |
| 293 | for(; anIt.More(); anIt.Next()) { |
| 294 | const TopoDS_Face& aF=(*(TopoDS_Face*)(&anIt.Value())); |
| 295 | if (!aProcessedFaces.Contains(aF)) { |
| 296 | aProcessedFaces.Add(aF); |
| 297 | aBB.Add(aShellNew, aF); |
| 298 | } |
| 299 | } |
| 300 | } |
| 301 | } |
| 302 | aShell=aShellNew; |
| 303 | } |
| 304 | //======================================================================= |
| 305 | //function : Orientation |
| 306 | //purpose : |
| 307 | //======================================================================= |
| 308 | TopAbs_Orientation Orientation(const TopoDS_Edge& anE, |
| 309 | const TopoDS_Face& aF) |
| 310 | { |
| 311 | TopAbs_Orientation anOr=TopAbs_INTERNAL; |
| 312 | |
| 313 | TopExp_Explorer anExp; |
| 314 | anExp.Init(aF, TopAbs_EDGE); |
| 315 | for (; anExp.More(); anExp.Next()) { |
| 316 | const TopoDS_Edge& anEF1=(*(TopoDS_Edge*)(&anExp.Current())); |
| 317 | if (anEF1.IsSame(anE)) { |
| 318 | anOr=anEF1.Orientation(); |
| 319 | break; |
| 320 | } |
| 321 | } |
| 322 | return anOr; |
| 323 | } |
| 324 | |
| 325 | //////////// |
| 326 | |
| 327 | |
| 328 | //======================================================================= |
| 329 | // function: MakeConnexityBlock. |
| 330 | // purpose: |
| 331 | //======================================================================= |
| 332 | void BOPTools_AlgoTools::MakeConnexityBlock (BOPCol_ListOfShape& theLFIn, |
| 333 | BOPCol_IndexedMapOfShape& theMEAvoid, |
| 334 | BOPCol_ListOfShape& theLCB, |
| 335 | const Handle(NCollection_BaseAllocator)& theAllocator) |
| 336 | { |
| 337 | Standard_Integer aNbF, aNbAdd1, aNbAdd, i; |
| 338 | TopExp_Explorer aExp; |
| 339 | BOPCol_ListIteratorOfListOfShape aIt; |
| 340 | // |
| 341 | BOPCol_IndexedMapOfShape aMCB(100, theAllocator); |
| 342 | BOPCol_IndexedMapOfShape aMAdd(100, theAllocator); |
| 343 | BOPCol_IndexedMapOfShape aMAdd1(100, theAllocator); |
| 344 | BOPCol_IndexedDataMapOfShapeListOfShape aMEF(100, theAllocator); |
| 345 | // |
| 346 | // 1. aMEF |
| 347 | aNbF=theLFIn.Extent(); |
| 348 | aIt.Initialize(theLFIn); |
| 349 | for (; aIt.More(); aIt.Next()) { |
| 350 | const TopoDS_Shape& aF=aIt.Value(); |
| 351 | BOPTools::MapShapesAndAncestors(aF, TopAbs_EDGE, TopAbs_FACE, aMEF); |
| 352 | } |
| 353 | // |
| 354 | // 2. aMCB |
| 355 | const TopoDS_Shape& aF1=theLFIn.First(); |
| 356 | aMAdd.Add(aF1); |
| 357 | // |
| 358 | while(1) { |
| 359 | aMAdd1.Clear(); |
| 360 | aNbAdd = aMAdd.Extent(); |
| 361 | for (i=1; i<=aNbAdd; ++i) { |
| 362 | const TopoDS_Shape& aF=aMAdd(i); |
| 363 | // |
| 364 | //aMAdd1.Clear(); |
| 365 | aExp.Init(aF, TopAbs_EDGE); |
| 366 | for (; aExp.More(); aExp.Next()) { |
| 367 | const TopoDS_Shape& aE=aExp.Current(); |
| 368 | if (theMEAvoid.Contains(aE)){ |
| 369 | continue; |
| 370 | } |
| 371 | // |
| 372 | const BOPCol_ListOfShape& aLF=aMEF.FindFromKey(aE); |
| 373 | aIt.Initialize(aLF); |
| 374 | for (; aIt.More(); aIt.Next()) { |
| 375 | const TopoDS_Shape& aFx=aIt.Value(); |
| 376 | if (aFx.IsSame(aF)) { |
| 377 | continue; |
| 378 | } |
| 379 | if (aMCB.Contains(aFx)) { |
| 380 | continue; |
| 381 | } |
| 382 | aMAdd1.Add(aFx); |
| 383 | } |
| 384 | }//for (; aExp.More(); aExp.Next()){ |
| 385 | aMCB.Add(aF); |
| 386 | }// for (i=1; i<=aNbAdd; ++i) { |
| 387 | // |
| 388 | aNbAdd1=aMAdd1.Extent(); |
| 389 | if (!aNbAdd1) { |
| 390 | break; |
| 391 | } |
| 392 | // |
| 393 | aMAdd.Clear(); |
| 394 | for (i=1; i<=aNbAdd1; ++i) { |
| 395 | const TopoDS_Shape& aFAdd=aMAdd1(i); |
| 396 | aMAdd.Add(aFAdd); |
| 397 | } |
| 398 | // |
| 399 | }//while(1) { |
| 400 | |
| 401 | // |
| 402 | aNbF=aMCB.Extent(); |
| 403 | for (i=1; i<=aNbF; ++i) { |
| 404 | const TopoDS_Shape& aF=aMCB(i); |
| 405 | theLCB.Append(aF); |
| 406 | } |
| 407 | } |
| 408 | //======================================================================= |
| 409 | // function: ComputeStateByOnePoint |
| 410 | // purpose: |
| 411 | //======================================================================= |
| 412 | TopAbs_State BOPTools_AlgoTools::ComputeStateByOnePoint(const TopoDS_Shape& theS, |
| 413 | const TopoDS_Solid& theRef, |
| 414 | const Standard_Real theTol, |
| 415 | Handle(BOPInt_Context)& theContext) |
| 416 | { |
| 417 | TopAbs_State aState; |
| 418 | TopAbs_ShapeEnum aType; |
| 419 | // |
| 420 | aState=TopAbs_UNKNOWN; |
| 421 | aType=theS.ShapeType(); |
| 422 | if (aType==TopAbs_VERTEX) { |
| 423 | const TopoDS_Vertex& aV=(*(TopoDS_Vertex*)(&theS)); |
| 424 | aState=BOPTools_AlgoTools::ComputeState(aV, theRef, theTol, theContext); |
| 425 | } |
| 426 | else if (aType==TopAbs_EDGE) { |
| 427 | const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&theS)); |
| 428 | aState=BOPTools_AlgoTools::ComputeState(aE, theRef, theTol, theContext); |
| 429 | } |
| 430 | return aState; |
| 431 | } |
| 432 | |
| 433 | //======================================================================= |
| 434 | // function: ComputeState |
| 435 | // purpose: |
| 436 | //======================================================================= |
| 437 | TopAbs_State BOPTools_AlgoTools::ComputeState(const TopoDS_Face& theF, |
| 438 | const TopoDS_Solid& theRef, |
| 439 | const Standard_Real theTol, |
| 440 | BOPCol_IndexedMapOfShape& theBounds, |
| 441 | Handle(BOPInt_Context)& theContext) |
| 442 | { |
| 443 | TopAbs_State aState; |
| 444 | TopExp_Explorer aExp; |
| 445 | TopoDS_Edge aE1; |
| 446 | gp_Pnt2d aP2D; |
| 447 | gp_Pnt aP3D; |
| 448 | // |
| 449 | aState=TopAbs_UNKNOWN; |
| 450 | // |
| 451 | aExp.Init(theF, TopAbs_EDGE); |
| 452 | for (; aExp.More(); aExp.Next()) { |
| 453 | const TopoDS_Edge& aSE=(*(TopoDS_Edge*)(&aExp.Current())); |
| 454 | if (BRep_Tool::Degenerated(aSE)) { |
| 455 | continue; |
| 456 | } |
| 457 | // |
| 458 | if (!theBounds.Contains(aSE)) { |
| 459 | const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aSE)); |
| 460 | aState=BOPTools_AlgoTools::ComputeState(aE, theRef, theTol, theContext); |
| 461 | return aState; |
| 462 | } |
| 463 | if (aE1.IsNull()) { |
| 464 | aE1=(*(TopoDS_Edge*)(&aSE)); |
| 465 | } |
| 466 | } |
| 467 | // !!<- process edges that are all on theRef |
| 468 | if (!aE1.IsNull()) { |
| 469 | BOPTools_AlgoTools3D::PointNearEdge(aE1, theF, aP2D, aP3D, theContext); |
| 470 | aState=BOPTools_AlgoTools::ComputeState(aP3D, theRef, theTol, theContext); |
| 471 | } |
| 472 | // |
| 473 | return aState; |
| 474 | } |
| 475 | //======================================================================= |
| 476 | // function: ComputeState |
| 477 | // purpose: |
| 478 | //======================================================================= |
| 479 | TopAbs_State BOPTools_AlgoTools::ComputeState(const TopoDS_Vertex& theV, |
| 480 | const TopoDS_Solid& theRef, |
| 481 | const Standard_Real theTol, |
| 482 | Handle(BOPInt_Context)& theContext) |
| 483 | { |
| 484 | TopAbs_State aState; |
| 485 | gp_Pnt aP3D; |
| 486 | // |
| 487 | aP3D=BRep_Tool::Pnt(theV); |
| 488 | aState=BOPTools_AlgoTools::ComputeState(aP3D, theRef, theTol, theContext); |
| 489 | return aState; |
| 490 | } |
| 491 | //======================================================================= |
| 492 | // function: ComputeState |
| 493 | // purpose: |
| 494 | //======================================================================= |
| 495 | TopAbs_State BOPTools_AlgoTools::ComputeState(const TopoDS_Edge& theE, |
| 496 | const TopoDS_Solid& theRef, |
| 497 | const Standard_Real theTol, |
| 498 | Handle(BOPInt_Context)& theContext) |
| 499 | { |
| 500 | Standard_Real aT1, aT2, aT = 0.; |
| 501 | TopAbs_State aState; |
| 502 | Handle(Geom_Curve) aC3D; |
| 503 | gp_Pnt aP3D; |
| 504 | // |
| 505 | aC3D = BRep_Tool::Curve(theE, aT1, aT2); |
| 506 | // |
| 507 | if(aC3D.IsNull()) { |
| 508 | //it means that we are in degenerated edge |
| 509 | const TopoDS_Vertex& aV = TopExp::FirstVertex(theE); |
| 510 | if(aV.IsNull()){ |
| 511 | return TopAbs_UNKNOWN; |
| 512 | } |
| 513 | aP3D=BRep_Tool::Pnt(aV); |
| 514 | } |
| 515 | else {//usual case |
| 516 | Standard_Boolean bF2Inf, bL2Inf; |
| 517 | Standard_Real dT=10.; |
| 518 | // |
| 519 | bF2Inf = Precision::IsNegativeInfinite(aT1); |
| 520 | bL2Inf = Precision::IsPositiveInfinite(aT2); |
| 521 | // |
| 522 | if (bF2Inf && !bL2Inf) { |
| 523 | aT=aT2-dT; |
| 524 | } |
| 525 | else if (!bF2Inf && bL2Inf) { |
| 526 | aT=aT1+dT; |
| 527 | } |
| 528 | else if (bF2Inf && bL2Inf) { |
| 529 | aT=0.; |
| 530 | } |
| 531 | else { |
| 532 | aT=IntTools_Tools::IntermediatePoint(aT1, aT2); |
| 533 | } |
| 534 | aC3D->D0(aT, aP3D); |
| 535 | } |
| 536 | // |
| 537 | aState=BOPTools_AlgoTools::ComputeState(aP3D, theRef, theTol, theContext); |
| 538 | // |
| 539 | return aState; |
| 540 | } |
| 541 | //======================================================================= |
| 542 | // function: ComputeState |
| 543 | // purpose: |
| 544 | //======================================================================= |
| 545 | TopAbs_State BOPTools_AlgoTools::ComputeState(const gp_Pnt& theP, |
| 546 | const TopoDS_Solid& theRef, |
| 547 | const Standard_Real theTol, |
| 548 | Handle(BOPInt_Context)& theContext) |
| 549 | { |
| 550 | TopAbs_State aState; |
| 551 | // |
| 552 | BRepClass3d_SolidClassifier& aSC=theContext->SolidClassifier(theRef); |
| 553 | aSC.Perform(theP, theTol); |
| 554 | // |
| 555 | aState=aSC.State(); |
| 556 | // |
| 557 | return aState; |
| 558 | } |
| 559 | //======================================================================= |
| 560 | //function : IsInternalFace |
| 561 | //purpose : |
| 562 | //======================================================================= |
| 563 | Standard_Boolean BOPTools_AlgoTools::IsInternalFace(const TopoDS_Face& theFace, |
| 564 | const TopoDS_Solid& theSolid, |
| 565 | BOPCol_IndexedDataMapOfShapeListOfShape& theMEF, |
| 566 | const Standard_Real theTol, |
| 567 | Handle(BOPInt_Context)& theContext) |
| 568 | { |
| 569 | Standard_Boolean bRet, bDegenerated; |
| 570 | Standard_Integer aNbF; |
| 571 | TopAbs_Orientation aOr; |
| 572 | TopoDS_Edge aEL; |
| 573 | TopExp_Explorer aExp; |
| 574 | BOPCol_ListIteratorOfListOfShape aItF; |
| 575 | // |
| 576 | bRet=Standard_False; |
| 577 | // |
| 578 | // 1 Try to find an edge from theFace in theMEF |
| 579 | aExp.Init(theFace, TopAbs_EDGE); |
| 580 | for(; aExp.More(); aExp.Next()) { |
| 581 | const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aExp.Current())); |
| 582 | if (!theMEF.Contains(aE)) { |
| 583 | continue; |
| 584 | } |
| 585 | // |
| 586 | aOr=aE.Orientation(); |
| 587 | if (aOr==TopAbs_INTERNAL) { |
| 588 | continue; |
| 589 | } |
| 590 | bDegenerated=BRep_Tool::Degenerated(aE); |
| 591 | if (bDegenerated){ |
| 592 | continue; |
| 593 | } |
| 594 | // aE |
| 595 | BOPCol_ListOfShape& aLF=theMEF.ChangeFromKey(aE); |
| 596 | aNbF=aLF.Extent(); |
| 597 | if (!aNbF) { |
| 598 | return bRet; // it can not be so |
| 599 | } |
| 600 | else if (aNbF==1) { |
| 601 | // aE is internal edge on aLF.First() |
| 602 | const TopoDS_Face& aF1=(*(TopoDS_Face*)(&aLF.First())); |
| 603 | bRet=BOPTools_AlgoTools::IsInternalFace(theFace, aE, aF1, aF1, theContext); |
| 604 | return bRet; |
| 605 | } |
| 606 | else if (aNbF==2) { |
| 607 | const TopoDS_Face& aF1=(*(TopoDS_Face*)(&aLF.First())); |
| 608 | const TopoDS_Face& aF2=(*(TopoDS_Face*)(&aLF.Last())); |
| 609 | // |
| 610 | if (aF2.IsSame(aF1) && BRep_Tool::IsClosed(aE, aF1)) { |
| 611 | // treat as it was for 1 face |
| 612 | bRet=BOPTools_AlgoTools::IsInternalFace(theFace, aE, aF1, aF2, theContext); |
| 613 | return bRet; |
| 614 | } |
| 615 | } |
| 616 | if (aNbF%2) { |
| 617 | return bRet; // it can not be so |
| 618 | } |
| 619 | else { // aNbF=2,4,6,8,... |
| 620 | bRet=BOPTools_AlgoTools::IsInternalFace(theFace, aE, aLF, theContext); |
| 621 | return bRet; |
| 622 | } |
| 623 | }//for(; aExp.More(); aExp.Next()) { |
| 624 | // |
| 625 | //======================================== |
| 626 | // 2. Classify face using classifier |
| 627 | // |
| 628 | TopAbs_State aState; |
| 629 | BOPCol_IndexedMapOfShape aBounds; |
| 630 | // |
| 631 | aState=BOPTools_AlgoTools::ComputeState(theFace, theSolid, theTol, aBounds, theContext); |
| 632 | bRet=(aState==TopAbs_IN); |
| 633 | // |
| 634 | return bRet; |
| 635 | } |
| 636 | //======================================================================= |
| 637 | //function : IsInternalFace |
| 638 | //purpose : |
| 639 | //======================================================================= |
| 640 | Standard_Boolean BOPTools_AlgoTools::IsInternalFace(const TopoDS_Face& theFace, |
| 641 | const TopoDS_Edge& theEdge, |
| 642 | BOPCol_ListOfShape& theLF, |
| 643 | Handle(BOPInt_Context)& theContext) |
| 644 | { |
| 645 | Standard_Boolean bRet; |
| 646 | Standard_Boolean aNbF; |
| 647 | // |
| 648 | bRet=Standard_False; |
| 649 | // |
| 650 | aNbF=theLF.Extent(); |
| 651 | if (aNbF==2) { |
| 652 | const TopoDS_Face& aF1=(*(TopoDS_Face*)(&theLF.First())); |
| 653 | const TopoDS_Face& aF2=(*(TopoDS_Face*)(&theLF.Last())); |
| 654 | bRet=BOPTools_AlgoTools::IsInternalFace(theFace, theEdge, aF1, aF2, theContext); |
| 655 | return bRet; |
| 656 | } |
| 657 | // |
| 658 | else { |
| 659 | BOPTools_ListOfCoupleOfShape aLCFF; |
| 660 | BOPTools_ListIteratorOfListOfCoupleOfShape aIt; |
| 661 | // |
| 662 | FindFacePairs(theEdge, theLF, aLCFF, theContext); |
| 663 | // |
| 664 | aIt.Initialize(aLCFF); |
| 665 | for (; aIt.More(); aIt.Next()) { |
| 666 | BOPTools_CoupleOfShape& aCSFF=aIt.ChangeValue(); |
| 667 | // |
| 668 | const TopoDS_Face& aF1=(*(TopoDS_Face*)(&aCSFF.Shape1())); |
| 669 | const TopoDS_Face& aF2=(*(TopoDS_Face*)(&aCSFF.Shape2())); |
| 670 | bRet=BOPTools_AlgoTools::IsInternalFace(theFace, theEdge, aF1, aF2, theContext); |
| 671 | if (bRet) { |
| 672 | return bRet; |
| 673 | } |
| 674 | } |
| 675 | } |
| 676 | return bRet; |
| 677 | } |
| 678 | //======================================================================= |
| 679 | //function : IsInternalFace |
| 680 | //purpose : |
| 681 | //======================================================================= |
| 682 | Standard_Boolean BOPTools_AlgoTools::IsInternalFace(const TopoDS_Face& theFace, |
| 683 | const TopoDS_Edge& theEdge, |
| 684 | const TopoDS_Face& theFace1, |
| 685 | const TopoDS_Face& theFace2, |
| 686 | Handle(BOPInt_Context)& theContext) |
| 687 | { |
| 688 | Standard_Boolean bRet; |
| 689 | TopoDS_Edge aE1, aE2; |
| 690 | TopoDS_Face aFOff; |
| 691 | BOPTools_ListOfCoupleOfShape theLCSOff; |
| 692 | BOPTools_CoupleOfShape aCS1, aCS2; |
| 693 | // |
| 694 | BOPTools_AlgoTools::GetEdgeOnFace(theEdge, theFace1, aE1); |
| 695 | if (aE1.Orientation()==TopAbs_INTERNAL) { |
| 696 | aE2=aE1; |
| 697 | aE1.Orientation(TopAbs_FORWARD); |
| 698 | aE2.Orientation(TopAbs_REVERSED); |
| 699 | } |
| 700 | else if (theFace1==theFace2) { |
| 701 | aE2=aE1; |
| 702 | aE1.Orientation(TopAbs_FORWARD); |
| 703 | aE2.Orientation(TopAbs_REVERSED); |
| 704 | } |
| 705 | else { |
| 706 | BOPTools_AlgoTools::GetEdgeOnFace(theEdge, theFace2, aE2); |
| 707 | } |
| 708 | // |
| 709 | aCS1.SetShape1(theEdge); |
| 710 | aCS1.SetShape2(theFace); |
| 711 | theLCSOff.Append(aCS1); |
| 712 | // |
| 713 | aCS2.SetShape1(aE2); |
| 714 | aCS2.SetShape2(theFace2); |
| 715 | theLCSOff.Append(aCS2); |
| 716 | // |
| 717 | GetFaceOff(aE1, theFace1, theLCSOff, aFOff, theContext); |
| 718 | // |
| 719 | bRet = theFace.IsEqual(aFOff); |
| 720 | return bRet; |
| 721 | } |
| 722 | //======================================================================= |
| 723 | //function : GetFaceOff |
| 724 | //purpose : |
| 725 | //======================================================================= |
| 726 | void BOPTools_AlgoTools::GetFaceOff(const TopoDS_Edge& theE1, |
| 727 | const TopoDS_Face& theF1, |
| 728 | BOPTools_ListOfCoupleOfShape& theLCSOff, |
| 729 | TopoDS_Face& theFOff, |
| 730 | Handle(BOPInt_Context)& theContext) |
| 731 | { |
| 732 | Standard_Real aT, aT1, aT2, aAngle, aTwoPI, aAngleMin; |
| 733 | gp_Pnt aPn1, aPn2, aPx; |
| 734 | gp_Vec aVTgt; |
| 735 | gp_Dir aDN1, aDN2; |
| 736 | Handle(Geom_Curve)aC3D; |
| 737 | BOPTools_ListIteratorOfListOfCoupleOfShape aIt; |
| 738 | // |
| 739 | aAngleMin=100.; |
| 740 | aTwoPI=M_PI+M_PI; |
| 741 | aC3D =BRep_Tool::Curve(theE1, aT1, aT2); |
| 742 | //BRep_Tool::Range(theE1, aT1, aT2); |
| 743 | aT=BOPTools_AlgoTools2D::IntermediatePoint(aT1, aT2); |
| 744 | aC3D->D0(aT, aPx); |
| 745 | // Ref |
| 746 | BOPTools_AlgoTools2D::EdgeTangent(theE1, aT, aVTgt); |
| 747 | gp_Dir aDTtgt(aVTgt); |
| 748 | aDTtgt.Reverse(); |
| 749 | Handle(Geom_Plane) aPL; |
| 750 | aPL = new Geom_Plane(aPx, aDTtgt); |
| 751 | // N1 |
| 752 | BOPTools_AlgoTools3D::GetApproxNormalToFaceOnEdge(theE1, theF1, aT, aPn1, aDN1, theContext); |
| 753 | // |
| 754 | gp_Pnt aPFx, aPF2x; |
| 755 | CorrectPoint(aPn1, aPL, aPFx); |
| 756 | gp_Vec aVBF (aPx, aPFx ); |
| 757 | gp_Dir aDTF; |
| 758 | gp_Dir aDBF (aVBF); |
| 759 | aDTF=aDN1^aDBF; |
| 760 | // |
| 761 | aIt.Initialize(theLCSOff); |
| 762 | for (; aIt.More(); aIt.Next()) { |
| 763 | const BOPTools_CoupleOfShape& aCS=aIt.Value(); |
| 764 | const TopoDS_Edge& aE2=(*(TopoDS_Edge*)(&aCS.Shape1())); |
| 765 | const TopoDS_Face& aF2=(*(TopoDS_Face*)(&aCS.Shape2())); |
| 766 | // |
| 767 | /*if (aF2==theF1) { |
| 768 | aAngle=M_PI; |
| 769 | } |
| 770 | else if (aF2.IsSame(theF1)) { |
| 771 | aAngle=aTwoPI; |
| 772 | } |
| 773 | else {*/ |
| 774 | if (!theE1.IsEqual(aE2) || |
| 775 | !GetProjectPoint(theF1, aPn1, aF2, aPn2, aDN2, theContext)) { |
| 776 | BOPTools_AlgoTools3D::GetApproxNormalToFaceOnEdge (aE2, aF2, aT, aPn2, aDN2, theContext); |
| 777 | } |
| 778 | CorrectPoint(aPn2, aPL, aPF2x); |
| 779 | gp_Vec aVBF2(aPx, aPF2x); |
| 780 | gp_Dir aDBF2(aVBF2); |
| 781 | //Angle |
| 782 | aAngle=AngleWithRef(aDBF, aDBF2, aDTF); |
| 783 | // |
| 784 | if(aAngle<0.) { |
| 785 | aAngle=aTwoPI+aAngle; |
| 786 | } |
| 787 | //} |
| 788 | |
| 789 | if (aAngle<aAngleMin){ |
| 790 | aAngleMin=aAngle; |
| 791 | theFOff=aF2; |
| 792 | } |
| 793 | } |
| 794 | } |
| 795 | //======================================================================= |
| 796 | //function : GetEdgeOff |
| 797 | //purpose : |
| 798 | //======================================================================= |
| 799 | Standard_Boolean BOPTools_AlgoTools::GetEdgeOff(const TopoDS_Edge& theE1, |
| 800 | const TopoDS_Face& theF2, |
| 801 | TopoDS_Edge& theE2) |
| 802 | { |
| 803 | Standard_Boolean bFound; |
| 804 | TopAbs_Orientation aOr1, aOr1C, aOr2; |
| 805 | TopExp_Explorer anExp; |
| 806 | // |
| 807 | bFound=Standard_False; |
| 808 | aOr1=theE1.Orientation(); |
| 809 | aOr1C=TopAbs::Reverse(aOr1); |
| 810 | // |
| 811 | anExp.Init(theF2, TopAbs_EDGE); |
| 812 | for (; anExp.More(); anExp.Next()) { |
| 813 | const TopoDS_Edge& aEF2=(*(TopoDS_Edge*)(&anExp.Current())); |
| 814 | if (aEF2.IsSame(theE1)) { |
| 815 | aOr2=aEF2.Orientation(); |
| 816 | if (aOr2==aOr1C) { |
| 817 | theE2=aEF2; |
| 818 | bFound=!bFound; |
| 819 | return bFound; |
| 820 | } |
| 821 | } |
| 822 | } |
| 823 | return bFound; |
| 824 | } |
| 825 | |
| 826 | //======================================================================= |
| 827 | //function : AreFacesSameDomain |
| 828 | //purpose : |
| 829 | //======================================================================= |
| 830 | Standard_Boolean BOPTools_AlgoTools::AreFacesSameDomain(const TopoDS_Face& theF1, |
| 831 | const TopoDS_Face& theF2, |
| 832 | Handle(BOPInt_Context)& theContext) |
| 833 | { |
| 834 | Standard_Boolean bFlag; |
| 835 | Standard_Integer iP; |
| 836 | Standard_Real aTolF1, aTolF2, aTol; |
| 837 | gp_Pnt2d aP2D; |
| 838 | gp_Pnt aP; |
| 839 | TopoDS_Face aF1, aF2; |
| 840 | TopoDS_Edge aE1; |
| 841 | TopExp_Explorer aExp; |
| 842 | // |
| 843 | bFlag=Standard_False; |
| 844 | // |
| 845 | aF1=theF1; |
| 846 | aF1.Orientation(TopAbs_FORWARD); |
| 847 | aF2=theF2; |
| 848 | aF2.Orientation(TopAbs_FORWARD); |
| 849 | // |
| 850 | aTolF1=BRep_Tool::Tolerance(aF1); |
| 851 | // 1 |
| 852 | iP=0; |
| 853 | aExp.Init(aF1, TopAbs_EDGE); |
| 854 | for (; aExp.More(); aExp.Next()) { |
| 855 | aE1=(*(TopoDS_Edge*)(&aExp.Current())); |
| 856 | if (!BRep_Tool::Degenerated(aE1)) { |
| 857 | iP=1; |
| 858 | //break; |
| 859 | Standard_Real aTolE = BRep_Tool::Tolerance(aE1); |
| 860 | aTolF1 = (aTolE > aTolF1) ? aTolE : aTolF1; |
| 861 | } |
| 862 | } |
| 863 | if (!iP) { |
| 864 | return bFlag; |
| 865 | } |
| 866 | // |
| 867 | // 2 |
| 868 | aTolF2=BRep_Tool::Tolerance(aF2); |
| 869 | aTol=aTolF1+aTolF2; |
| 870 | // |
| 871 | BOPTools_AlgoTools3D::PointNearEdge(aE1, aF1, aP2D, aP, theContext); |
| 872 | bFlag=theContext->IsValidPointForFace(aP, aF2, aTol); |
| 873 | // |
| 874 | return bFlag; |
| 875 | } |
| 876 | |
| 877 | //======================================================================= |
| 878 | //function : CheckSameGeom |
| 879 | //purpose : |
| 880 | //======================================================================= |
| 881 | Standard_Boolean BOPTools_AlgoTools::CheckSameGeom(const TopoDS_Face& theF1, |
| 882 | const TopoDS_Face& theF2, |
| 883 | Handle(BOPInt_Context)& theContext) |
| 884 | { |
| 885 | Standard_Boolean bRet; |
| 886 | Standard_Real aTolF1, aTolF2, aTol; |
| 887 | gp_Pnt2d aP2D; |
| 888 | gp_Pnt aP; |
| 889 | TopExp_Explorer aExp; |
| 890 | // |
| 891 | bRet=Standard_False; |
| 892 | aExp.Init(theF1, TopAbs_EDGE); |
| 893 | for (; aExp.More(); aExp.Next()) { |
| 894 | const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aExp.Current())); |
| 895 | if (!BRep_Tool::Degenerated(aE)) { |
| 896 | aTolF1=BRep_Tool::Tolerance(theF1); |
| 897 | aTolF2=BRep_Tool::Tolerance(theF2); |
| 898 | aTol=aTolF1+aTolF2; |
| 899 | BOPTools_AlgoTools3D::PointNearEdge(aE, theF1, aP2D, aP, theContext); |
| 900 | bRet=theContext->IsValidPointForFace(aP, theF2, aTol); |
| 901 | break; |
| 902 | } |
| 903 | } |
| 904 | return bRet; |
| 905 | } |
| 906 | //======================================================================= |
| 907 | // function: Sense |
| 908 | // purpose: |
| 909 | //======================================================================= |
| 910 | Standard_Integer BOPTools_AlgoTools::Sense (const TopoDS_Face& theF1, |
| 911 | const TopoDS_Face& theF2) |
| 912 | { |
| 913 | Standard_Integer iSense=0; |
| 914 | gp_Dir aDNF1, aDNF2; |
| 915 | TopoDS_Edge aE1, aE2; |
| 916 | TopExp_Explorer aExp; |
| 917 | // |
| 918 | aExp.Init(theF1, TopAbs_EDGE); |
| 919 | for (; aExp.More(); aExp.Next()) { |
| 920 | aE1=(*(TopoDS_Edge*)(&aExp.Current())); |
| 921 | if (!BRep_Tool::Degenerated(aE1)) { |
| 922 | if (!BRep_Tool::IsClosed(aE1, theF1)) { |
| 923 | break; |
| 924 | } |
| 925 | } |
| 926 | } |
| 927 | // |
| 928 | aExp.Init(theF2, TopAbs_EDGE); |
| 929 | for (; aExp.More(); aExp.Next()) { |
| 930 | aE2=(*(TopoDS_Edge*)(&aExp.Current())); |
| 931 | if (!BRep_Tool::Degenerated(aE2)) { |
| 932 | if (!BRep_Tool::IsClosed(aE2, theF2)) { |
| 933 | if (aE2.IsSame(aE1)) { |
| 934 | iSense=1; |
| 935 | break; |
| 936 | } |
| 937 | } |
| 938 | } |
| 939 | } |
| 940 | // |
| 941 | if (!iSense) { |
| 942 | return iSense; |
| 943 | } |
| 944 | // |
| 945 | BOPTools_AlgoTools3D::GetNormalToFaceOnEdge(aE1, theF1, aDNF1); |
| 946 | BOPTools_AlgoTools3D::GetNormalToFaceOnEdge(aE2, theF2, aDNF2); |
| 947 | // |
| 948 | iSense=BOPTools_AlgoTools3D::SenseFlag(aDNF1, aDNF2); |
| 949 | // |
| 950 | return iSense; |
| 951 | } |
| 952 | //======================================================================= |
| 953 | // function: IsSplitToReverse |
| 954 | // purpose: |
| 955 | //======================================================================= |
| 956 | Standard_Boolean BOPTools_AlgoTools::IsSplitToReverse(const TopoDS_Shape& theSp, |
| 957 | const TopoDS_Shape& theSr, |
| 958 | Handle(BOPInt_Context)& theContext) |
| 959 | { |
| 960 | Standard_Boolean bRet; |
| 961 | TopAbs_ShapeEnum aType; |
| 962 | // |
| 963 | bRet=Standard_False; |
| 964 | // |
| 965 | aType=theSp.ShapeType(); |
| 966 | switch (aType) { |
| 967 | case TopAbs_EDGE: { |
| 968 | const TopoDS_Edge& aESp=(*(TopoDS_Edge*)(&theSp)); |
| 969 | const TopoDS_Edge& aESr=(*(TopoDS_Edge*)(&theSr)); |
| 970 | bRet=BOPTools_AlgoTools::IsSplitToReverse(aESp, aESr, theContext); |
| 971 | } |
| 972 | break; |
| 973 | // |
| 974 | case TopAbs_FACE: { |
| 975 | const TopoDS_Face& aFSp=(*(TopoDS_Face*)(&theSp)); |
| 976 | const TopoDS_Face& aFSr=(*(TopoDS_Face*)(&theSr)); |
| 977 | bRet=BOPTools_AlgoTools::IsSplitToReverse(aFSp, aFSr, theContext); |
| 978 | } |
| 979 | break; |
| 980 | // |
| 981 | default: |
| 982 | break; |
| 983 | } |
| 984 | return bRet; |
| 985 | } |
| 986 | //======================================================================= |
| 987 | //function :IsSplitToReverse |
| 988 | //purpose : |
| 989 | //======================================================================= |
| 990 | Standard_Boolean BOPTools_AlgoTools::IsSplitToReverse(const TopoDS_Face& theFSp, |
| 991 | const TopoDS_Face& theFSr, |
| 992 | Handle(BOPInt_Context)& theContext) |
| 993 | { |
| 994 | Standard_Boolean bRet, bFound, bInFace; |
| 995 | Standard_Real aT1, aT2, aT, aU, aV, aScPr; |
| 996 | gp_Pnt aPFSp, aPFSr; |
| 997 | gp_Dir aDNFSp; |
| 998 | gp_Vec aD1U, aD1V; |
| 999 | Handle(Geom_Surface) aSr, aSp; |
| 1000 | TopAbs_Orientation aOrSr, aOrSp; |
| 1001 | TopExp_Explorer anExp; |
| 1002 | TopoDS_Edge aESp; |
| 1003 | // |
| 1004 | bRet=Standard_False; |
| 1005 | // |
| 1006 | aSr=BRep_Tool::Surface(theFSr); |
| 1007 | aSp=BRep_Tool::Surface(theFSp); |
| 1008 | if (aSr==aSp) { |
| 1009 | aOrSr=theFSr.Orientation(); |
| 1010 | aOrSp=theFSp.Orientation(); |
| 1011 | bRet=(aOrSr!=aOrSp); |
| 1012 | return bRet; |
| 1013 | } |
| 1014 | // |
| 1015 | bFound=Standard_False; |
| 1016 | anExp.Init(theFSp, TopAbs_EDGE); |
| 1017 | for (; anExp.More(); anExp.Next()) { |
| 1018 | aESp=(*(TopoDS_Edge*)(&anExp.Current())); |
| 1019 | if (!BRep_Tool::Degenerated(aESp)) { |
| 1020 | if (!BRep_Tool::IsClosed(aESp, theFSp)) { |
| 1021 | bFound=!bFound; |
| 1022 | break; |
| 1023 | } |
| 1024 | } |
| 1025 | } |
| 1026 | if (!bFound) { |
| 1027 | Standard_Boolean bFlag; |
| 1028 | Standard_Integer iErr; |
| 1029 | gp_Pnt2d aP2DFSp; |
| 1030 | // |
| 1031 | iErr=BOPTools_AlgoTools3D::PointInFace(theFSp, aPFSp, aP2DFSp, theContext); |
| 1032 | if (iErr) { |
| 1033 | return bRet; |
| 1034 | } |
| 1035 | // |
| 1036 | aP2DFSp.Coord(aU, aV); |
| 1037 | bFlag=BOPTools_AlgoTools3D::GetNormalToSurface(aSp, aU, aV, aDNFSp); |
| 1038 | if (!bFlag) { |
| 1039 | return bRet; |
| 1040 | } |
| 1041 | } |
| 1042 | else { |
| 1043 | BRep_Tool::Range(aESp, aT1, aT2); |
| 1044 | aT=BOPTools_AlgoTools2D::IntermediatePoint(aT1, aT2); |
| 1045 | BOPTools_AlgoTools3D::GetApproxNormalToFaceOnEdge(aESp, theFSp, aT, aPFSp, aDNFSp, theContext); |
| 1046 | } |
| 1047 | // |
| 1048 | // Parts of theContext->ComputeVS(..) |
| 1049 | GeomAPI_ProjectPointOnSurf& aProjector=theContext->ProjPS(theFSr); |
| 1050 | aProjector.Perform(aPFSp); |
| 1051 | if (!aProjector.IsDone()) { |
| 1052 | return bRet; |
| 1053 | } |
| 1054 | // |
| 1055 | aProjector.LowerDistanceParameters(aU, aV); |
| 1056 | gp_Pnt2d aP2D(aU, aV); |
| 1057 | bInFace=theContext->IsPointInFace (theFSr, aP2D); |
| 1058 | if (!bInFace) { |
| 1059 | return bRet; |
| 1060 | } |
| 1061 | // |
| 1062 | aSr->D1(aU, aV, aPFSr, aD1U, aD1V); |
| 1063 | gp_Dir aDD1U(aD1U); |
| 1064 | gp_Dir aDD1V(aD1V); |
| 1065 | gp_Dir aDNFSr=aDD1U^aDD1V; |
| 1066 | if (theFSr.Orientation()==TopAbs_REVERSED){ |
| 1067 | aDNFSr.Reverse(); |
| 1068 | } |
| 1069 | // |
| 1070 | aScPr=aDNFSp*aDNFSr; |
| 1071 | bRet=(aScPr<0.); |
| 1072 | // |
| 1073 | return bRet; |
| 1074 | } |
| 1075 | //======================================================================= |
| 1076 | //function :IsSplitToReverse |
| 1077 | //purpose : |
| 1078 | //======================================================================= |
| 1079 | Standard_Boolean BOPTools_AlgoTools::IsSplitToReverse(const TopoDS_Edge& aEF1, |
| 1080 | const TopoDS_Edge& aEF2, |
| 1081 | Handle(BOPInt_Context)& theContext) |
| 1082 | { |
| 1083 | Standard_Boolean bRet, bIsDegenerated; |
| 1084 | // |
| 1085 | bRet=Standard_False; |
| 1086 | bIsDegenerated=(BRep_Tool::Degenerated(aEF1) || |
| 1087 | BRep_Tool::Degenerated(aEF2)); |
| 1088 | if (bIsDegenerated) { |
| 1089 | return bRet; |
| 1090 | } |
| 1091 | // |
| 1092 | Standard_Real a, b; |
| 1093 | TopAbs_Orientation aOrE, aOrSp; |
| 1094 | Handle(Geom_Curve)aC1, aC2; |
| 1095 | // |
| 1096 | aC2=BRep_Tool::Curve(aEF2, a, b); |
| 1097 | aC1=BRep_Tool::Curve(aEF1, a, b); |
| 1098 | // |
| 1099 | if (aC1==aC2) { |
| 1100 | aOrE=aEF2.Orientation(); |
| 1101 | aOrSp=aEF1.Orientation(); |
| 1102 | bRet=(aOrE!=aOrSp); |
| 1103 | return bRet; |
| 1104 | } |
| 1105 | // |
| 1106 | Standard_Real aT1, aT2, aScPr; |
| 1107 | gp_Vec aV1, aV2; |
| 1108 | gp_Pnt aP; |
| 1109 | // |
| 1110 | aT1=BOPTools_AlgoTools2D::IntermediatePoint(a, b); |
| 1111 | aC1->D0(aT1, aP); |
| 1112 | BOPTools_AlgoTools2D::EdgeTangent(aEF1, aT1, aV1); |
| 1113 | gp_Dir aDT1(aV1); |
| 1114 | // |
| 1115 | theContext->ProjectPointOnEdge(aP, aEF2, aT2); |
| 1116 | // |
| 1117 | BOPTools_AlgoTools2D::EdgeTangent(aEF2, aT2, aV2); |
| 1118 | gp_Dir aDT2(aV2); |
| 1119 | // |
| 1120 | aScPr=aDT1*aDT2; |
| 1121 | bRet=(aScPr<0.); |
| 1122 | // |
| 1123 | return bRet; |
| 1124 | } |
| 1125 | |
| 1126 | //======================================================================= |
| 1127 | //function : IsHole |
| 1128 | //purpose : |
| 1129 | //======================================================================= |
| 1130 | Standard_Boolean BOPTools_AlgoTools::IsHole(const TopoDS_Shape& aW, |
| 1131 | const TopoDS_Shape& aFace) |
| 1132 | { |
| 1133 | Standard_Boolean bIsHole; |
| 1134 | Standard_Integer i, aNbS; |
| 1135 | Standard_Real aT1, aT2, aS; |
| 1136 | Standard_Real aU1, aU2, aU, dU; |
| 1137 | Standard_Real aX1, aY1, aX0, aY0; |
| 1138 | TopAbs_Orientation aOr; |
| 1139 | |
| 1140 | gp_Pnt2d aP2D0, aP2D1; |
| 1141 | Handle(Geom2d_Curve) aC2D; |
| 1142 | TopoDS_Face aF, aFF; |
| 1143 | TopoDS_Iterator aItW; |
| 1144 | // |
| 1145 | bIsHole=Standard_False; |
| 1146 | // |
| 1147 | aF=(*(TopoDS_Face *)(&aFace)); |
| 1148 | aFF=aF; |
| 1149 | aFF.Orientation(TopAbs_FORWARD); |
| 1150 | // |
| 1151 | aS=0.; |
| 1152 | aItW.Initialize(aW); |
| 1153 | for (; aItW.More(); aItW.Next()) { |
| 1154 | const TopoDS_Edge& aE=(*(TopoDS_Edge *)(&aItW.Value())); |
| 1155 | aOr=aE.Orientation(); |
| 1156 | if (!(aOr==TopAbs_FORWARD || |
| 1157 | aOr==TopAbs_REVERSED)) { |
| 1158 | continue; |
| 1159 | } |
| 1160 | // |
| 1161 | aC2D=BRep_Tool::CurveOnSurface(aE, aFF, aT1, aT2); |
| 1162 | if (aC2D.IsNull()) { |
| 1163 | break; //xx |
| 1164 | } |
| 1165 | // |
| 1166 | BRepAdaptor_Curve2d aBAC2D(aE, aFF); |
| 1167 | aNbS=Geom2dInt_Geom2dCurveTool::NbSamples(aBAC2D); |
| 1168 | if (aNbS>2) { |
| 1169 | aNbS*=4; |
| 1170 | } |
| 1171 | // |
| 1172 | dU=(aT2-aT1)/(Standard_Real)(aNbS-1); |
| 1173 | aU =aT1; |
| 1174 | aU1=aT1; |
| 1175 | aU2=aT2; |
| 1176 | if (aOr==TopAbs_REVERSED) { |
| 1177 | aU =aT2; |
| 1178 | aU1=aT2; |
| 1179 | aU2=aT1; |
| 1180 | dU=-dU; |
| 1181 | } |
| 1182 | // |
| 1183 | aC2D->D0(aU, aP2D0); |
| 1184 | for(i=2; i<=aNbS; i++) { |
| 1185 | aU=aU1+(i-1)*dU; |
| 1186 | aC2D->D0(aU, aP2D1); |
| 1187 | aP2D0.Coord(aX0, aY0); |
| 1188 | aP2D1.Coord(aX1, aY1); |
| 1189 | // |
| 1190 | aS=aS+(aY0+aY1)*(aX1-aX0); |
| 1191 | // |
| 1192 | aP2D0=aP2D1; |
| 1193 | } |
| 1194 | }//for (; aItW.More(); aItW.Next()) { |
| 1195 | bIsHole=(aS>0.); |
| 1196 | return bIsHole; |
| 1197 | } |
| 1198 | |
| 1199 | //======================================================================= |
| 1200 | // function: MakeContainer |
| 1201 | // purpose: |
| 1202 | //======================================================================= |
| 1203 | void BOPTools_AlgoTools::MakeContainer(const TopAbs_ShapeEnum theType, |
| 1204 | TopoDS_Shape& theC) |
| 1205 | { |
| 1206 | BRep_Builder aBB; |
| 1207 | // |
| 1208 | switch(theType) { |
| 1209 | case TopAbs_COMPOUND:{ |
| 1210 | TopoDS_Compound aC; |
| 1211 | aBB.MakeCompound(aC); |
| 1212 | theC=aC; |
| 1213 | } |
| 1214 | break; |
| 1215 | // |
| 1216 | case TopAbs_COMPSOLID:{ |
| 1217 | TopoDS_CompSolid aCS; |
| 1218 | aBB.MakeCompSolid(aCS); |
| 1219 | theC=aCS; |
| 1220 | } |
| 1221 | break; |
| 1222 | // |
| 1223 | case TopAbs_SOLID:{ |
| 1224 | TopoDS_Solid aSolid; |
| 1225 | aBB.MakeSolid(aSolid); |
| 1226 | theC=aSolid; |
| 1227 | } |
| 1228 | break; |
| 1229 | // |
| 1230 | // |
| 1231 | case TopAbs_SHELL:{ |
| 1232 | TopoDS_Shell aShell; |
| 1233 | aBB.MakeShell(aShell); |
| 1234 | theC=aShell; |
| 1235 | } |
| 1236 | break; |
| 1237 | // |
| 1238 | case TopAbs_WIRE: { |
| 1239 | TopoDS_Wire aWire; |
| 1240 | aBB.MakeWire(aWire); |
| 1241 | theC=aWire; |
| 1242 | } |
| 1243 | break; |
| 1244 | // |
| 1245 | default: |
| 1246 | break; |
| 1247 | } |
| 1248 | } |
| 1249 | //======================================================================= |
| 1250 | // function: MakePCurve |
| 1251 | // purpose: |
| 1252 | //======================================================================= |
| 1253 | void BOPTools_AlgoTools::MakePCurve(const TopoDS_Edge& aE, |
| 1254 | const TopoDS_Face& aF1, |
| 1255 | const TopoDS_Face& aF2, |
| 1256 | const IntTools_Curve& aIC, |
| 1257 | const Standard_Boolean bPC1, |
| 1258 | const Standard_Boolean bPC2) |
| 1259 | |
| 1260 | { |
| 1261 | Standard_Integer i; |
| 1262 | Standard_Real aTolE, aT1, aT2, aOutFirst, aOutLast, aOutTol; |
| 1263 | Handle(Geom2d_Curve) aC2D, aC2DA, aC2Dx1; |
| 1264 | TopoDS_Face aFFWD; |
| 1265 | BRep_Builder aBB; |
| 1266 | Standard_Boolean bPC; |
| 1267 | // |
| 1268 | aTolE=BRep_Tool::Tolerance(aE); |
| 1269 | // |
| 1270 | const Handle(Geom_Curve)& aC3DE=BRep_Tool::Curve(aE, aT1, aT2); |
| 1271 | Handle(Geom_TrimmedCurve)aC3DETrim=new Geom_TrimmedCurve(aC3DE, aT1, aT2); |
| 1272 | // |
| 1273 | for (i=0; i<2; ++i) { |
| 1274 | bPC = !i ? bPC1 : bPC2; |
| 1275 | if (!bPC) { |
| 1276 | continue; |
| 1277 | } |
| 1278 | // |
| 1279 | if (!i) { |
| 1280 | aFFWD=aF1; |
| 1281 | aC2Dx1=aIC.FirstCurve2d(); |
| 1282 | } |
| 1283 | else { |
| 1284 | aFFWD=aF2; |
| 1285 | aC2Dx1=aIC.SecondCurve2d(); |
| 1286 | } |
| 1287 | // |
| 1288 | aFFWD.Orientation(TopAbs_FORWARD); |
| 1289 | // |
| 1290 | aC2D=aC2Dx1; |
| 1291 | if (aC2D.IsNull()) { |
| 1292 | BOPTools_AlgoTools2D::BuildPCurveForEdgeOnFace(aE, aFFWD); |
| 1293 | BOPTools_AlgoTools2D::CurveOnSurface(aE, aFFWD, aC2D, |
| 1294 | aOutFirst, aOutLast, |
| 1295 | aOutTol); |
| 1296 | } |
| 1297 | // |
| 1298 | if (aC3DE->IsPeriodic()) { |
| 1299 | BOPTools_AlgoTools2D::AdjustPCurveOnFace(aFFWD, aT1, aT2, aC2D, aC2DA); |
| 1300 | } |
| 1301 | else { |
| 1302 | BOPTools_AlgoTools2D::AdjustPCurveOnFace(aFFWD, aC3DETrim, aC2D, aC2DA); |
| 1303 | } |
| 1304 | // |
| 1305 | aBB.UpdateEdge(aE, aC2DA, aFFWD, aTolE); |
| 1306 | //BRepLib::SameParameter(aE); |
| 1307 | } |
| 1308 | BRepLib::SameParameter(aE); |
| 1309 | } |
| 1310 | //======================================================================= |
| 1311 | // function: MakeEdge |
| 1312 | // purpose: |
| 1313 | //======================================================================= |
| 1314 | void BOPTools_AlgoTools::MakeEdge(const IntTools_Curve& theIC, |
| 1315 | const TopoDS_Vertex& theV1, |
| 1316 | const Standard_Real theT1, |
| 1317 | const TopoDS_Vertex& theV2, |
| 1318 | const Standard_Real theT2, |
| 1319 | const Standard_Real theTolR3D, |
| 1320 | TopoDS_Edge& theE) |
| 1321 | { |
| 1322 | Standard_Real aTolV; |
| 1323 | BRep_Builder aBB; |
| 1324 | // |
| 1325 | BOPTools_AlgoTools::MakeSectEdge (theIC, theV1, theT1, theV2, theT2, theE); |
| 1326 | // |
| 1327 | aBB.UpdateEdge(theE, theTolR3D); |
| 1328 | // |
| 1329 | aTolV=BRep_Tool::Tolerance(theV1); |
| 1330 | if (aTolV<theTolR3D) { |
| 1331 | aBB.UpdateVertex(theV1, theTolR3D); |
| 1332 | } |
| 1333 | // |
| 1334 | aTolV=BRep_Tool::Tolerance(theV2); |
| 1335 | if (aTolV<theTolR3D) { |
| 1336 | aBB.UpdateVertex(theV2, theTolR3D); |
| 1337 | } |
| 1338 | } |
| 1339 | //======================================================================= |
| 1340 | // function: ComputeVV |
| 1341 | // purpose: |
| 1342 | //======================================================================= |
| 1343 | Standard_Integer BOPTools_AlgoTools::ComputeVV(const TopoDS_Vertex& aV1, |
| 1344 | const gp_Pnt& aP2, |
| 1345 | const Standard_Real aTolP2) |
| 1346 | { |
| 1347 | Standard_Real aTolV1, aTolSum, aTolSum2, aD2; |
| 1348 | gp_Pnt aP1; |
| 1349 | // |
| 1350 | aTolV1=BRep_Tool::Tolerance(aV1); |
| 1351 | |
| 1352 | aTolSum=aTolV1+aTolP2; |
| 1353 | aTolSum2=aTolSum*aTolSum; |
| 1354 | // |
| 1355 | aP1=BRep_Tool::Pnt(aV1); |
| 1356 | // |
| 1357 | aD2=aP1.SquareDistance(aP2); |
| 1358 | if (aD2>aTolSum2) { |
| 1359 | return 1; |
| 1360 | } |
| 1361 | return 0; |
| 1362 | } |
| 1363 | //======================================================================= |
| 1364 | // function: ComputeVV |
| 1365 | // purpose: |
| 1366 | //======================================================================= |
| 1367 | Standard_Integer BOPTools_AlgoTools::ComputeVV(const TopoDS_Vertex& aV1, |
| 1368 | const TopoDS_Vertex& aV2) |
| 1369 | { |
| 1370 | Standard_Real aTolV1, aTolV2, aTolSum, aTolSum2, aD2; |
| 1371 | gp_Pnt aP1, aP2; |
| 1372 | // |
| 1373 | aTolV1=BRep_Tool::Tolerance(aV1); |
| 1374 | aTolV2=BRep_Tool::Tolerance(aV2); |
| 1375 | aTolSum=aTolV1+aTolV2; |
| 1376 | aTolSum2=aTolSum*aTolSum; |
| 1377 | // |
| 1378 | aP1=BRep_Tool::Pnt(aV1); |
| 1379 | aP2=BRep_Tool::Pnt(aV2); |
| 1380 | // |
| 1381 | aD2=aP1.SquareDistance(aP2); |
| 1382 | if (aD2>aTolSum2) { |
| 1383 | return 1; |
| 1384 | } |
| 1385 | return 0; |
| 1386 | } |
| 1387 | //======================================================================= |
| 1388 | // function: MakeVertex |
| 1389 | // purpose : |
| 1390 | //======================================================================= |
| 1391 | void BOPTools_AlgoTools::MakeVertex(BOPCol_ListOfShape& aLV, |
| 1392 | TopoDS_Vertex& aVnew) |
| 1393 | { |
| 1394 | Standard_Integer aNb; |
| 1395 | Standard_Real aTi, aDi, aDmax; |
| 1396 | gp_Pnt aPi, aP; |
| 1397 | gp_XYZ aXYZ(0.,0.,0.), aXYZi; |
| 1398 | BOPCol_ListIteratorOfListOfShape aIt; |
| 1399 | // |
| 1400 | aNb=aLV.Extent(); |
| 1401 | if (aNb) { |
| 1402 | aIt.Initialize(aLV); |
| 1403 | for (; aIt.More(); aIt.Next()) { |
| 1404 | TopoDS_Vertex& aVi=*((TopoDS_Vertex*)(&aIt.Value())); |
| 1405 | aPi=BRep_Tool::Pnt(aVi); |
| 1406 | aXYZi=aPi.XYZ(); |
| 1407 | aXYZ=aXYZ+aXYZi; |
| 1408 | } |
| 1409 | // |
| 1410 | aXYZ.Divide((Standard_Real)aNb); |
| 1411 | aP.SetXYZ(aXYZ); |
| 1412 | // |
| 1413 | aDmax=-1.; |
| 1414 | aIt.Initialize(aLV); |
| 1415 | for (; aIt.More(); aIt.Next()) { |
| 1416 | TopoDS_Vertex& aVi=*((TopoDS_Vertex*)(&aIt.Value())); |
| 1417 | aPi=BRep_Tool::Pnt(aVi); |
| 1418 | aTi=BRep_Tool::Tolerance(aVi); |
| 1419 | aDi=aP.SquareDistance(aPi); |
| 1420 | aDi=fsqrt(aDi); |
| 1421 | aDi=aDi+aTi; |
| 1422 | if (aDi > aDmax) { |
| 1423 | aDmax=aDi; |
| 1424 | } |
| 1425 | } |
| 1426 | // |
| 1427 | BRep_Builder aBB; |
| 1428 | aBB.MakeVertex (aVnew, aP, aDmax); |
| 1429 | } |
| 1430 | } |
| 1431 | //======================================================================= |
| 1432 | //function : GetEdgeOnFace |
| 1433 | //purpose : |
| 1434 | //======================================================================= |
| 1435 | Standard_Boolean BOPTools_AlgoTools::GetEdgeOnFace(const TopoDS_Edge& theE1, |
| 1436 | const TopoDS_Face& theF2, |
| 1437 | TopoDS_Edge& theE2) |
| 1438 | { |
| 1439 | Standard_Boolean bFound; |
| 1440 | TopoDS_Iterator aItF, aItW; |
| 1441 | // |
| 1442 | bFound=Standard_False; |
| 1443 | // |
| 1444 | aItF.Initialize(theF2); |
| 1445 | for (; aItF.More(); aItF.Next()) { |
| 1446 | const TopoDS_Shape& aW=aItF.Value(); |
| 1447 | aItW.Initialize(aW); |
| 1448 | for (; aItW.More(); aItW.Next()) { |
| 1449 | const TopoDS_Shape& aE=aItW.Value(); |
| 1450 | if (aE.IsSame(theE1)) { |
| 1451 | theE2=(*(TopoDS_Edge*)(&aE)); |
| 1452 | bFound=!bFound; |
| 1453 | return bFound; |
| 1454 | } |
| 1455 | } |
| 1456 | } |
| 1457 | return bFound; |
| 1458 | } |
| 1459 | //======================================================================= |
| 1460 | //function : FindFacePairs |
| 1461 | //purpose : |
| 1462 | //======================================================================= |
| 1463 | Standard_Boolean FindFacePairs (const TopoDS_Edge& theE, |
| 1464 | const BOPCol_ListOfShape& thLF, |
| 1465 | BOPTools_ListOfCoupleOfShape& theLCFF, |
| 1466 | Handle(BOPInt_Context)& theContext) |
| 1467 | { |
| 1468 | Standard_Boolean bFound; |
| 1469 | Standard_Integer i, aNbCEF; |
| 1470 | TopAbs_Orientation aOr, aOrC; |
| 1471 | BOPCol_MapOfShape aMFP; |
| 1472 | TopoDS_Face aF1, aF2; |
| 1473 | TopoDS_Edge aEL, aE1; |
| 1474 | BOPCol_ListIteratorOfListOfShape aItLF; |
| 1475 | BOPTools_CoupleOfShape aCEF, aCFF; |
| 1476 | BOPTools_ListOfCoupleOfShape aLCEF, aLCEFx; |
| 1477 | BOPTools_ListIteratorOfListOfCoupleOfShape aIt; |
| 1478 | // |
| 1479 | bFound=Standard_True; |
| 1480 | // |
| 1481 | // Preface aLCEF |
| 1482 | aItLF.Initialize(thLF); |
| 1483 | for (; aItLF.More(); aItLF.Next()) { |
| 1484 | const TopoDS_Face& aFL=(*(TopoDS_Face*)(&aItLF.Value())); |
| 1485 | // |
| 1486 | bFound=BOPTools_AlgoTools::GetEdgeOnFace(theE, aFL, aEL); |
| 1487 | if (!bFound) { |
| 1488 | return bFound; // it can not be so |
| 1489 | } |
| 1490 | // |
| 1491 | aCEF.SetShape1(aEL); |
| 1492 | aCEF.SetShape2(aFL); |
| 1493 | aLCEF.Append(aCEF); |
| 1494 | } |
| 1495 | // |
| 1496 | aNbCEF=aLCEF.Extent(); |
| 1497 | while(aNbCEF) { |
| 1498 | // |
| 1499 | // aLCEFx |
| 1500 | aLCEFx.Clear(); |
| 1501 | aIt.Initialize(aLCEF); |
| 1502 | for (i=0; aIt.More(); aIt.Next(), ++i) { |
| 1503 | const BOPTools_CoupleOfShape& aCSx=aIt.Value(); |
| 1504 | const TopoDS_Shape& aEx=aCSx.Shape1(); |
| 1505 | const TopoDS_Shape& aFx=aCSx.Shape2(); |
| 1506 | // |
| 1507 | aOr=aEx.Orientation(); |
| 1508 | // |
| 1509 | if (!i) { |
| 1510 | aOrC=TopAbs::Reverse(aOr); |
| 1511 | aE1=(*(TopoDS_Edge*)(&aEx)); |
| 1512 | aF1=(*(TopoDS_Face*)(&aFx)); |
| 1513 | aMFP.Add(aFx); |
| 1514 | continue; |
| 1515 | } |
| 1516 | // |
| 1517 | if (aOr==aOrC) { |
| 1518 | aLCEFx.Append(aCSx); |
| 1519 | aMFP.Add(aFx); |
| 1520 | } |
| 1521 | } |
| 1522 | // |
| 1523 | // F2 |
| 1524 | BOPTools_AlgoTools::GetFaceOff(aE1, aF1, aLCEFx, aF2, theContext); |
| 1525 | // |
| 1526 | aCFF.SetShape1(aF1); |
| 1527 | aCFF.SetShape2(aF2); |
| 1528 | theLCFF.Append(aCFF); |
| 1529 | // |
| 1530 | aMFP.Add(aF1); |
| 1531 | aMFP.Add(aF2); |
| 1532 | // |
| 1533 | // refine aLCEF |
| 1534 | aLCEFx.Clear(); |
| 1535 | aLCEFx=aLCEF; |
| 1536 | aLCEF.Clear(); |
| 1537 | aIt.Initialize(aLCEFx); |
| 1538 | for (; aIt.More(); aIt.Next()) { |
| 1539 | const BOPTools_CoupleOfShape& aCSx=aIt.Value(); |
| 1540 | const TopoDS_Shape& aFx=aCSx.Shape2(); |
| 1541 | if (!aMFP.Contains(aFx)) { |
| 1542 | aLCEF.Append(aCSx); |
| 1543 | } |
| 1544 | } |
| 1545 | // |
| 1546 | aNbCEF=aLCEF.Extent(); |
| 1547 | }//while(aNbCEF) { |
| 1548 | // |
| 1549 | return bFound; |
| 1550 | } |
| 1551 | //======================================================================= |
| 1552 | //function : AngleWithRef |
| 1553 | //purpose : |
| 1554 | //======================================================================= |
| 1555 | Standard_Real AngleWithRef(const gp_Dir& theD1, |
| 1556 | const gp_Dir& theD2, |
| 1557 | const gp_Dir& theDRef) |
| 1558 | { |
| 1559 | Standard_Real aCosinus, aSinus, aBeta, aHalfPI, aScPr; |
| 1560 | gp_XYZ aXYZ; |
| 1561 | // |
| 1562 | aHalfPI=0.5*M_PI; |
| 1563 | // |
| 1564 | const gp_XYZ& aXYZ1=theD1.XYZ(); |
| 1565 | const gp_XYZ& aXYZ2=theD2.XYZ(); |
| 1566 | aXYZ=aXYZ1.Crossed(aXYZ2); |
| 1567 | aSinus=aXYZ.Modulus(); |
| 1568 | aCosinus=theD1*theD2; |
| 1569 | // |
| 1570 | aBeta=0.; |
| 1571 | if (aSinus>=0.) { |
| 1572 | aBeta=aHalfPI*(1.-aCosinus); |
| 1573 | } |
| 1574 | else { |
| 1575 | aBeta=2.*M_PI-aHalfPI*(3.+aCosinus); |
| 1576 | } |
| 1577 | // |
| 1578 | aScPr=aXYZ.Dot(theDRef.XYZ()); |
| 1579 | if (aScPr<0.) { |
| 1580 | aBeta=-aBeta; |
| 1581 | } |
| 1582 | return aBeta; |
| 1583 | } |
| 1584 | //======================================================================= |
| 1585 | //function : fsqrt |
| 1586 | //purpose : |
| 1587 | //======================================================================= |
| 1588 | Standard_Real fsqrt(Standard_Real val) |
| 1589 | { |
| 1590 | union { |
| 1591 | int tmp; |
| 1592 | float val; |
| 1593 | } u; |
| 1594 | // |
| 1595 | u.val = (float)val; |
| 1596 | u.tmp -= 1<<23; /* Remove last bit so 1.0 gives 1.0 */ |
| 1597 | /* tmp is now an approximation to logbase2(val) */ |
| 1598 | u.tmp >>= 1; /* divide by 2 */ |
| 1599 | u.tmp += 1<<29; /* add 64 to exponent: (e+127)/2 =(e/2)+63, */ |
| 1600 | /* that represents (e/2)-64 but we want e/2 */ |
| 1601 | return (double)u.val; |
| 1602 | } |
| 1603 | |
| 1604 | //======================================================================= |
| 1605 | //function : CorrectPoint |
| 1606 | //purpose : |
| 1607 | //======================================================================= |
| 1608 | void BOPTools_AlgoTools::CorrectPoint(const gp_Pnt& thePnt, |
| 1609 | const Handle(Geom_Plane)& thePL, |
| 1610 | gp_Pnt& theNewPnt) |
| 1611 | { |
| 1612 | theNewPnt = thePnt; |
| 1613 | GeomAPI_ProjectPointOnSurf aProjector; |
| 1614 | aProjector.Init(thePnt, thePL); |
| 1615 | if (aProjector.NbPoints()) { |
| 1616 | theNewPnt = aProjector.NearestPoint(); |
| 1617 | } |
| 1618 | } |
| 1619 | |
| 1620 | //======================================================================= |
| 1621 | // function: IsBlockInOnFace |
| 1622 | // purpose: |
| 1623 | //======================================================================= |
| 1624 | Standard_Boolean BOPTools_AlgoTools::IsBlockInOnFace (const IntTools_Range& aShrR, |
| 1625 | const TopoDS_Face& aF, |
| 1626 | const TopoDS_Edge& aE1, |
| 1627 | Handle(BOPInt_Context)& aContext) |
| 1628 | { |
| 1629 | Standard_Boolean bFlag; |
| 1630 | Standard_Real f1, l1, ULD, VLD; |
| 1631 | gp_Pnt2d aP2D; |
| 1632 | gp_Pnt aP11, aP12; |
| 1633 | // |
| 1634 | aShrR.Range(f1, l1); |
| 1635 | Standard_Real dt=0.0075, k;//dt=0.001, k; |
| 1636 | k=dt*(l1-f1); |
| 1637 | f1=f1+k; |
| 1638 | l1=l1-k; |
| 1639 | // |
| 1640 | // Treatment P11 |
| 1641 | BOPTools_AlgoTools::PointOnEdge(aE1, f1, aP11); |
| 1642 | // |
| 1643 | GeomAPI_ProjectPointOnSurf& aProjector=aContext->ProjPS(aF); |
| 1644 | aProjector.Perform(aP11); |
| 1645 | // |
| 1646 | bFlag=aProjector.IsDone(); |
| 1647 | if (!bFlag) { |
| 1648 | return bFlag; |
| 1649 | } |
| 1650 | |
| 1651 | aProjector.LowerDistanceParameters(ULD, VLD); |
| 1652 | aP2D.SetCoord(ULD, VLD); |
| 1653 | // |
| 1654 | bFlag=aContext->IsPointInOnFace (aF, aP2D); |
| 1655 | // |
| 1656 | if (!bFlag) { |
| 1657 | return bFlag; |
| 1658 | } |
| 1659 | // |
| 1660 | // Treatment P12 |
| 1661 | BOPTools_AlgoTools::PointOnEdge(aE1, l1, aP12); |
| 1662 | // |
| 1663 | aProjector.Perform(aP12); |
| 1664 | // |
| 1665 | bFlag=aProjector.IsDone(); |
| 1666 | if (!bFlag) { |
| 1667 | return bFlag; |
| 1668 | } |
| 1669 | |
| 1670 | aProjector.LowerDistanceParameters(ULD, VLD); |
| 1671 | aP2D.SetCoord(ULD, VLD); |
| 1672 | // |
| 1673 | bFlag=aContext->IsPointInOnFace (aF, aP2D); |
| 1674 | // |
| 1675 | if (!bFlag) { |
| 1676 | return bFlag; |
| 1677 | } |
| 1678 | // |
| 1679 | // Treatment intemediate |
| 1680 | Standard_Real m1, aTolF, aTolE, aTol, aDist; |
| 1681 | m1=IntTools_Tools::IntermediatePoint(f1, l1); |
| 1682 | BOPTools_AlgoTools::PointOnEdge(aE1, m1, aP12); |
| 1683 | // |
| 1684 | aProjector.Perform(aP12); |
| 1685 | // |
| 1686 | bFlag=aProjector.IsDone(); |
| 1687 | if (!bFlag) { |
| 1688 | return bFlag; |
| 1689 | } |
| 1690 | // |
| 1691 | aTolE=BRep_Tool::Tolerance(aE1); |
| 1692 | aTolF=BRep_Tool::Tolerance(aF); |
| 1693 | aTol=aTolE+aTolF; |
| 1694 | aDist=aProjector.LowerDistance(); |
| 1695 | if (aDist > aTol){ |
| 1696 | return Standard_False; |
| 1697 | } |
| 1698 | |
| 1699 | aProjector.LowerDistanceParameters(ULD, VLD); |
| 1700 | aP2D.SetCoord(ULD, VLD); |
| 1701 | // |
| 1702 | bFlag=aContext->IsPointInOnFace (aF, aP2D); |
| 1703 | // |
| 1704 | if (!bFlag) { |
| 1705 | return bFlag; |
| 1706 | } |
| 1707 | return bFlag; |
| 1708 | } |
| 1709 | |
| 1710 | //======================================================================= |
| 1711 | //function : GetProjectPoint |
| 1712 | //purpose : |
| 1713 | //======================================================================= |
| 1714 | Standard_Boolean BOPTools_AlgoTools::GetProjectPoint(const TopoDS_Face& aF, |
| 1715 | const gp_Pnt& aPF, |
| 1716 | const TopoDS_Face& aF1, |
| 1717 | gp_Pnt& aPF1, |
| 1718 | gp_Dir& aDNF1, |
| 1719 | Handle(BOPInt_Context)& aContext) |
| 1720 | { |
| 1721 | Standard_Boolean bRet = Standard_False; |
| 1722 | Handle(Geom_Surface) aS, aS1; |
| 1723 | GeomAbs_SurfaceType aTS, aTS1; |
| 1724 | Handle(Geom_CylindricalSurface) aCS, aCS1; |
| 1725 | Standard_Real aR, aR1, dR, aU, aV, aDMin; |
| 1726 | // |
| 1727 | aS = BRep_Tool::Surface(aF); |
| 1728 | aS1 = BRep_Tool::Surface(aF1); |
| 1729 | GeomAdaptor_Surface aGAS(aS), aGAS1(aS1); |
| 1730 | // |
| 1731 | aTS = aGAS.GetType(); |
| 1732 | aTS1 = aGAS1.GetType(); |
| 1733 | // |
| 1734 | if (!(aTS == GeomAbs_Cylinder && aTS1 == GeomAbs_Cylinder)) { |
| 1735 | return bRet; |
| 1736 | } |
| 1737 | // |
| 1738 | aCS = Handle(Geom_CylindricalSurface)::DownCast(aS); |
| 1739 | aCS1 = Handle(Geom_CylindricalSurface)::DownCast(aS1); |
| 1740 | // |
| 1741 | if (aCS.IsNull() || aCS1.IsNull()) { |
| 1742 | return bRet; |
| 1743 | } |
| 1744 | // |
| 1745 | if (!aCS->Axis().IsParallel(aCS1->Axis(), Precision::Angular())) { |
| 1746 | return bRet; |
| 1747 | } |
| 1748 | // |
| 1749 | aR = aCS->Radius(); |
| 1750 | aR1 = aCS1->Radius(); |
| 1751 | dR = fabs(aR - aR1); |
| 1752 | // |
| 1753 | if (dR < Precision::Angular()) { |
| 1754 | return bRet; |
| 1755 | } |
| 1756 | |
| 1757 | gp_Lin aL(aCS->Axis()), aL1(aCS1->Axis()); |
| 1758 | if (Abs(aL.Distance(aL1) - dR) < Precision::Confusion()) { |
| 1759 | GeomAPI_ProjectPointOnSurf& aProjector=aContext->ProjPS(aF1); |
| 1760 | aProjector.Perform(aPF); |
| 1761 | if (!aProjector.IsDone()) { |
| 1762 | return bRet; |
| 1763 | } |
| 1764 | aDMin = aProjector.LowerDistance(); |
| 1765 | if (aDMin > dR) { |
| 1766 | return bRet; |
| 1767 | } |
| 1768 | aProjector.LowerDistanceParameters(aU, aV); |
| 1769 | Handle(Geom_Surface) aS = BRep_Tool::Surface(aF1); |
| 1770 | BOPTools_AlgoTools3D::GetNormalToSurface (aS, aU, aV, aDNF1); |
| 1771 | aS->D0(aU, aV, aPF1); |
| 1772 | bRet = !bRet; |
| 1773 | } |
| 1774 | return bRet; |
| 1775 | } |
| 1776 | |
| 1777 | //======================================================================= |
| 1778 | //function : IsMicroEdge |
| 1779 | //purpose : |
| 1780 | //======================================================================= |
| 1781 | Standard_Boolean BOPTools_AlgoTools::IsMicroEdge(const TopoDS_Edge& aE, |
| 1782 | const Handle(BOPInt_Context)& aCtx) |
| 1783 | { |
| 1784 | Standard_Boolean bRet; |
| 1785 | Standard_Integer iErr; |
| 1786 | Standard_Real aT1, aT2, aTmp; |
| 1787 | Handle(Geom_Curve) aC3D; |
| 1788 | TopoDS_Vertex aV1, aV2; |
| 1789 | // |
| 1790 | bRet=(BRep_Tool::Degenerated(aE) || |
| 1791 | !BRep_Tool::IsGeometric(aE)); |
| 1792 | if (bRet) { |
| 1793 | return bRet; |
| 1794 | } |
| 1795 | // |
| 1796 | aC3D=BRep_Tool::Curve(aE, aT1, aT2); |
| 1797 | TopExp::Vertices(aE, aV1, aV2); |
| 1798 | aT1=BRep_Tool::Parameter(aV1, aE); |
| 1799 | aT2=BRep_Tool::Parameter(aV2, aE); |
| 1800 | if (aT2<aT1) { |
| 1801 | aTmp=aT1; |
| 1802 | aT1=aT2; |
| 1803 | aT2=aTmp; |
| 1804 | } |
| 1805 | // |
| 1806 | BOPInt_ShrunkRange aSR; |
| 1807 | aSR.SetData(aE, aT1, aT2, aV1, aV2, aCtx); |
| 1808 | aSR.Perform(); |
| 1809 | iErr=aSR.ErrorStatus(); |
| 1810 | bRet = !(iErr==0); |
| 1811 | // |
| 1812 | return bRet; |
| 1813 | } |
| 1814 | |
| 1815 | /* |
| 1816 | //======================================================================= |
| 1817 | //function : AreFacesSameDomain |
| 1818 | //purpose : |
| 1819 | //======================================================================= |
| 1820 | Standard_Boolean BOPTools_AlgoTools::AreFacesSameDomain(const TopoDS_Face& theF1, |
| 1821 | const TopoDS_Face& theF2, |
| 1822 | Handle(BOPInt_Context)& theContext) |
| 1823 | { |
| 1824 | Standard_Boolean bFlag; |
| 1825 | |
| 1826 | Standard_Integer aNbE1, aNbE2; |
| 1827 | Standard_Real aTolF1, aTolF2, aTol; |
| 1828 | gp_Pnt2d aP2D; |
| 1829 | gp_Pnt aP; |
| 1830 | TopoDS_Face aF1, aF2; |
| 1831 | TopExp_Explorer aExp; |
| 1832 | BOPCol_MapOfShape aME1, aME2; |
| 1833 | BOPCol_MapIteratorOfMapOfShape aIt; |
| 1834 | // |
| 1835 | bFlag=Standard_False; |
| 1836 | // |
| 1837 | aF1=theF1; |
| 1838 | aF1.Orientation(TopAbs_FORWARD); |
| 1839 | aF2=theF2; |
| 1840 | aF2.Orientation(TopAbs_FORWARD); |
| 1841 | // |
| 1842 | // 1 |
| 1843 | aExp.Init(aF1, TopAbs_EDGE); |
| 1844 | for (; aExp.More(); aExp.Next()) { |
| 1845 | const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aExp.Current())); |
| 1846 | if (!BRep_Tool::Degenerated(aE)) { |
| 1847 | aME1.Add(aE); |
| 1848 | } |
| 1849 | } |
| 1850 | // |
| 1851 | aExp.Init(aF2, TopAbs_EDGE); |
| 1852 | for (; aExp.More(); aExp.Next()) { |
| 1853 | const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aExp.Current())); |
| 1854 | if (!BRep_Tool::Degenerated(aE)) { |
| 1855 | if (!aME1.Contains(aE)) { |
| 1856 | return bFlag; |
| 1857 | } |
| 1858 | aME2.Add(aE); |
| 1859 | } |
| 1860 | } |
| 1861 | // |
| 1862 | aNbE1=aME1.Extent(); |
| 1863 | aNbE2=aME2.Extent(); |
| 1864 | // |
| 1865 | if(!aNbE1 || !aNbE2){ |
| 1866 | return bFlag; |
| 1867 | } |
| 1868 | // |
| 1869 | if(aNbE1!=aNbE2) { |
| 1870 | return bFlag; |
| 1871 | } |
| 1872 | // |
| 1873 | // 2 |
| 1874 | aTolF1=BRep_Tool::Tolerance(aF1); |
| 1875 | aTolF2=BRep_Tool::Tolerance(aF2); |
| 1876 | aTol=aTolF1+aTolF2; |
| 1877 | // |
| 1878 | aIt.Initialize(aME1); |
| 1879 | for (; aIt.More(); aIt.Next()) { |
| 1880 | const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aIt.Key())); |
| 1881 | BOPTools_AlgoTools3D::PointNearEdge(aE, aF1, aP2D, aP); |
| 1882 | bFlag=theContext->IsValidPointForFace(aP, aF2, aTol); |
| 1883 | break; |
| 1884 | } |
| 1885 | // |
| 1886 | return bFlag; |
| 1887 | } |
| 1888 | */ |