| 1 | // Created on: 1996-01-11 |
| 2 | // Created by: Jacques GOUSSARD |
| 3 | // Copyright (c) 1996-1999 Matra Datavision |
| 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| 5 | // |
| 6 | // This file is part of Open CASCADE Technology software library. |
| 7 | // |
| 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 |
| 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. |
| 13 | // |
| 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. |
| 16 | |
| 17 | #include <LocOpe_WiresOnShape.ixx> |
| 18 | |
| 19 | #include <TopExp_Explorer.hxx> |
| 20 | #include <BRep_Builder.hxx> |
| 21 | #include <BRep_Tool.hxx> |
| 22 | #include <TopTools_MapOfShape.hxx> |
| 23 | #include <TopTools_DataMapIteratorOfDataMapOfShapeShape.hxx> |
| 24 | #include <TopTools_ListOfShape.hxx> |
| 25 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
| 26 | |
| 27 | #include <Geom2dAPI_ProjectPointOnCurve.hxx> |
| 28 | #include <GeomAPI_ProjectPointOnCurve.hxx> |
| 29 | #include <GeomAdaptor_Surface.hxx> |
| 30 | #include <Geom_Curve.hxx> |
| 31 | #include <Geom_TrimmedCurve.hxx> |
| 32 | #include <Geom_Surface.hxx> |
| 33 | #include <Geom_RectangularTrimmedSurface.hxx> |
| 34 | #include <Geom2d_Curve.hxx> |
| 35 | |
| 36 | #include <gp_Pnt2d.hxx> |
| 37 | #include <gp_Vec2d.hxx> |
| 38 | #include <gp_Vec.hxx> |
| 39 | |
| 40 | #include <TopoDS.hxx> |
| 41 | #include <TopExp.hxx> |
| 42 | #include <BRepTools.hxx> |
| 43 | #include <GeomProjLib.hxx> |
| 44 | #include <LocOpe.hxx> |
| 45 | #include <Precision.hxx> |
| 46 | |
| 47 | #include <Standard_ConstructionError.hxx> |
| 48 | #include <TopoDS_Compound.hxx> |
| 49 | #include <BRepLib.hxx> |
| 50 | |
| 51 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> |
| 52 | #include <BRepAdaptor_Curve2d.hxx> |
| 53 | #include <Bnd_Box2d.hxx> |
| 54 | #include <BndLib_Add2dCurve.hxx> |
| 55 | #include <Extrema_ExtCC.hxx> |
| 56 | #include <BRepLib_MakeVertex.hxx> |
| 57 | |
| 58 | |
| 59 | static Standard_Boolean Project(const TopoDS_Vertex&, |
| 60 | const gp_Pnt2d&, |
| 61 | const TopoDS_Face&, |
| 62 | TopoDS_Edge&, |
| 63 | Standard_Real&); |
| 64 | |
| 65 | static Standard_Real Project(const TopoDS_Vertex&, |
| 66 | const TopoDS_Edge&); |
| 67 | |
| 68 | static Standard_Real Project(const TopoDS_Vertex&, |
| 69 | const gp_Pnt2d&, |
| 70 | const TopoDS_Edge&, |
| 71 | const TopoDS_Face&); |
| 72 | |
| 73 | |
| 74 | static void PutPCurve(const TopoDS_Edge&, |
| 75 | const TopoDS_Face&); |
| 76 | |
| 77 | |
| 78 | static void PutPCurves(const TopoDS_Edge&, |
| 79 | const TopoDS_Edge&, |
| 80 | const TopoDS_Shape&); |
| 81 | |
| 82 | static void FindInternalIntersections(const TopoDS_Edge&, |
| 83 | const TopoDS_Face&, |
| 84 | TopTools_IndexedDataMapOfShapeListOfShape&, |
| 85 | TopTools_DataMapOfShapeShape&, |
| 86 | TopTools_MapOfShape&); |
| 87 | |
| 88 | //======================================================================= |
| 89 | //function : LocOpe_WiresOnShape |
| 90 | //purpose : |
| 91 | //======================================================================= |
| 92 | |
| 93 | LocOpe_WiresOnShape::LocOpe_WiresOnShape(const TopoDS_Shape& S): |
| 94 | myShape(S),myCheckInterior(Standard_True),myDone(Standard_False) |
| 95 | {} |
| 96 | |
| 97 | |
| 98 | |
| 99 | //======================================================================= |
| 100 | //function : Init |
| 101 | //purpose : |
| 102 | //======================================================================= |
| 103 | |
| 104 | void LocOpe_WiresOnShape::Init(const TopoDS_Shape& S) |
| 105 | { |
| 106 | myShape = S; |
| 107 | myCheckInterior = Standard_True; |
| 108 | myDone = Standard_False; |
| 109 | myMap.Clear(); |
| 110 | myMapEF.Clear(); |
| 111 | } |
| 112 | |
| 113 | |
| 114 | |
| 115 | //======================================================================= |
| 116 | //function : Bind |
| 117 | //purpose : |
| 118 | //======================================================================= |
| 119 | |
| 120 | void LocOpe_WiresOnShape::Bind(const TopoDS_Wire& W, |
| 121 | const TopoDS_Face& F) |
| 122 | { |
| 123 | for (TopExp_Explorer exp(W, TopAbs_EDGE); exp.More(); exp.Next()) { |
| 124 | Bind(TopoDS::Edge(exp.Current()),F); |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | //======================================================================= |
| 129 | //function : Bind |
| 130 | //purpose : |
| 131 | //======================================================================= |
| 132 | |
| 133 | void LocOpe_WiresOnShape::Bind(const TopoDS_Compound& Comp, |
| 134 | const TopoDS_Face& F) |
| 135 | { |
| 136 | for (TopExp_Explorer exp(Comp, TopAbs_EDGE); exp.More(); exp.Next()) { |
| 137 | Bind(TopoDS::Edge(exp.Current()),F); |
| 138 | } |
| 139 | myFacesWithSection.Add(F); |
| 140 | } |
| 141 | |
| 142 | //======================================================================= |
| 143 | //function : Bind |
| 144 | //purpose : |
| 145 | //======================================================================= |
| 146 | |
| 147 | void LocOpe_WiresOnShape::Bind(const TopoDS_Edge& E, |
| 148 | const TopoDS_Face& F) |
| 149 | { |
| 150 | // if (!myMapEF.IsBound(E)) { |
| 151 | if (!myMapEF.Contains(E)) { |
| 152 | // for (TopExp_Explorer exp(F,TopAbs_EDGE);exp.More();exp.Next()) { |
| 153 | TopExp_Explorer exp(F,TopAbs_EDGE) ; |
| 154 | for ( ;exp.More();exp.Next()) { |
| 155 | if (exp.Current().IsSame(E)) { |
| 156 | break; |
| 157 | } |
| 158 | } |
| 159 | if (!exp.More()) { |
| 160 | // myMapEF.Bind(E,F); |
| 161 | myMapEF.Add(E,F); |
| 162 | } |
| 163 | } |
| 164 | else { |
| 165 | Standard_ConstructionError::Raise(); |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | |
| 170 | //======================================================================= |
| 171 | //function : Bind |
| 172 | //purpose : |
| 173 | //======================================================================= |
| 174 | |
| 175 | void LocOpe_WiresOnShape::Bind(const TopoDS_Edge& Ewir, |
| 176 | const TopoDS_Edge& Efac) |
| 177 | { |
| 178 | if (Ewir.IsSame(Efac)) { |
| 179 | return; |
| 180 | } |
| 181 | myMap.Bind(Ewir,Efac); |
| 182 | } |
| 183 | |
| 184 | |
| 185 | //======================================================================= |
| 186 | //function : BindAll |
| 187 | //purpose : |
| 188 | //======================================================================= |
| 189 | |
| 190 | void LocOpe_WiresOnShape::BindAll() |
| 191 | { |
| 192 | if (myDone) { |
| 193 | return; |
| 194 | } |
| 195 | TopTools_MapOfShape theMap; |
| 196 | |
| 197 | // Detection des vertex a projeter ou a "binder" avec des vertex existants |
| 198 | TopTools_DataMapOfShapeShape mapV; |
| 199 | TopTools_DataMapIteratorOfDataMapOfShapeShape ite(myMap); |
| 200 | TopExp_Explorer exp,exp2; |
| 201 | for (; ite.More(); ite.Next()) { |
| 202 | const TopoDS_Edge& eref = TopoDS::Edge(ite.Key()); |
| 203 | const TopoDS_Edge& eimg = TopoDS::Edge(ite.Value()); |
| 204 | |
| 205 | PutPCurves(eref,eimg,myShape); |
| 206 | |
| 207 | for (exp.Init(eref,TopAbs_VERTEX); exp.More(); exp.Next()) { |
| 208 | const TopoDS_Vertex& vtx = TopoDS::Vertex(exp.Current()); |
| 209 | if (!theMap.Contains(vtx)) { // pas deja traite |
| 210 | for (exp2.Init(eimg,TopAbs_VERTEX); exp2.More(); exp2.Next()) { |
| 211 | const TopoDS_Vertex& vtx2 = TopoDS::Vertex(exp2.Current()); |
| 212 | if (vtx2.IsSame(vtx)) { |
| 213 | break; |
| 214 | } |
| 215 | else if (BRepTools::Compare(vtx,vtx2)) { |
| 216 | mapV.Bind(vtx,vtx2); |
| 217 | break; |
| 218 | } |
| 219 | } |
| 220 | if (!exp2.More()) { |
| 221 | mapV.Bind(vtx,eimg); |
| 222 | } |
| 223 | theMap.Add(vtx); |
| 224 | } |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | for (ite.Initialize(mapV); ite.More(); ite.Next()) { |
| 229 | myMap.Bind(ite.Key(),ite.Value()); |
| 230 | } |
| 231 | |
| 232 | TopTools_IndexedDataMapOfShapeListOfShape Splits; |
| 233 | Standard_Integer Ind; |
| 234 | for (Ind = 1; Ind <= myMapEF.Extent(); Ind++) |
| 235 | { |
| 236 | const TopoDS_Edge& edg = TopoDS::Edge(myMapEF.FindKey(Ind)); |
| 237 | const TopoDS_Face& fac = TopoDS::Face(myMapEF(Ind)); |
| 238 | |
| 239 | PutPCurve(edg,fac); |
| 240 | Standard_Real pf, pl; |
| 241 | Handle(Geom2d_Curve) aPCurve = BRep_Tool::CurveOnSurface(edg, fac, pf, pl); |
| 242 | if (aPCurve.IsNull()) |
| 243 | continue; |
| 244 | |
| 245 | if (myCheckInterior) |
| 246 | FindInternalIntersections(edg, fac, Splits, myMap, theMap); |
| 247 | } |
| 248 | |
| 249 | for (Ind = 1; Ind <= Splits.Extent(); Ind++) |
| 250 | { |
| 251 | TopoDS_Shape anEdge = Splits.FindKey(Ind); |
| 252 | TopoDS_Shape aFace = myMapEF.FindFromKey(anEdge); |
| 253 | //Remove "anEdge" from "myMapEF" |
| 254 | TopoDS_Shape LastEdge = myMapEF.FindKey(myMapEF.Extent()); |
| 255 | TopoDS_Shape LastFace = myMapEF(myMapEF.Extent()); |
| 256 | myMapEF.RemoveLast(); |
| 257 | if (myMapEF.FindIndex(anEdge) != 0) |
| 258 | myMapEF.Substitute(myMapEF.FindIndex(anEdge), LastEdge, LastFace); |
| 259 | //////////////////////////////// |
| 260 | TopTools_ListIteratorOfListOfShape itl(Splits(Ind)); |
| 261 | for (; itl.More(); itl.Next()) |
| 262 | myMapEF.Add(itl.Value(), aFace); |
| 263 | } |
| 264 | |
| 265 | // Il faut s`occuper maintenant des vertex "de changement de face", |
| 266 | // et des vertex "libres" |
| 267 | // TopTools_DataMapIteratorOfDataMapOfShapeShape ite2; |
| 268 | |
| 269 | // for (ite.Initialize(myMapEF); ite.More(); ite.Next()) { |
| 270 | // const TopoDS_Edge& edg = TopoDS::Edge(ite.Key()); |
| 271 | // const TopoDS_Face& fac = TopoDS::Face(ite.Value()); |
| 272 | for (Ind = 1; Ind <= myMapEF.Extent(); Ind++) { |
| 273 | const TopoDS_Edge& edg = TopoDS::Edge(myMapEF.FindKey(Ind)); |
| 274 | const TopoDS_Face& fac = TopoDS::Face(myMapEF(Ind)); |
| 275 | // JAG 02.02.96 : On verifie les pcurves... |
| 276 | |
| 277 | //PutPCurve(edg,fac); |
| 278 | |
| 279 | for (exp.Init(edg,TopAbs_VERTEX); exp.More(); exp.Next()) { |
| 280 | const TopoDS_Vertex& vtx = TopoDS::Vertex(exp.Current()); |
| 281 | if (theMap.Contains(vtx)) { |
| 282 | continue; |
| 283 | } |
| 284 | //// |
| 285 | Standard_Real vtx_param = BRep_Tool::Parameter(vtx, edg); |
| 286 | BRepAdaptor_Curve2d BAcurve2d(edg, fac); |
| 287 | gp_Pnt2d p2d = BAcurve2d.Value(vtx_param); |
| 288 | //// |
| 289 | TopoDS_Edge Epro; |
| 290 | Standard_Real prm = 0.; |
| 291 | Standard_Boolean ok = Project(vtx, p2d, fac, Epro, prm); |
| 292 | if (ok) { |
| 293 | for (exp2.Init(Epro,TopAbs_VERTEX); exp2.More(); exp2.Next()) { |
| 294 | const TopoDS_Vertex& vtx2 = TopoDS::Vertex(exp2.Current()); |
| 295 | if (vtx2.IsSame(vtx)) { |
| 296 | break; |
| 297 | } |
| 298 | else if (BRepTools::Compare(vtx,vtx2)) { |
| 299 | if (!BRep_Tool::Degenerated(Epro) || |
| 300 | Abs(prm-BAcurve2d.FirstParameter()) <= Precision::PConfusion() || |
| 301 | Abs(prm-BAcurve2d.LastParameter()) <= Precision::PConfusion()) |
| 302 | { |
| 303 | myMap.Bind(vtx,vtx2); |
| 304 | break; |
| 305 | } |
| 306 | } |
| 307 | } |
| 308 | if (!exp2.More()) { |
| 309 | myMap.Bind(vtx,Epro); |
| 310 | } |
| 311 | theMap.Add(vtx); |
| 312 | } |
| 313 | } |
| 314 | } |
| 315 | |
| 316 | // Modified by Sergey KHROMOV - Mon Feb 12 16:26:50 2001 Begin |
| 317 | for (ite.Initialize(myMap); ite.More(); ite.Next()) |
| 318 | if ((ite.Key()).ShapeType() == TopAbs_EDGE) |
| 319 | myMapEF.Add(ite.Key(),ite.Value()); |
| 320 | // Modified by Sergey KHROMOV - Mon Feb 12 16:26:52 2001 End |
| 321 | |
| 322 | |
| 323 | myDone = Standard_True; |
| 324 | |
| 325 | } |
| 326 | |
| 327 | |
| 328 | //======================================================================= |
| 329 | //function : InitEdgeIterator |
| 330 | //purpose : |
| 331 | //======================================================================= |
| 332 | |
| 333 | void LocOpe_WiresOnShape::InitEdgeIterator() |
| 334 | { |
| 335 | BindAll(); |
| 336 | // myIt.Initialize(myMapEF); |
| 337 | myIndex = 1; |
| 338 | } |
| 339 | |
| 340 | |
| 341 | //======================================================================= |
| 342 | //function : MoreEdge |
| 343 | //purpose : |
| 344 | //======================================================================= |
| 345 | |
| 346 | Standard_Boolean LocOpe_WiresOnShape::MoreEdge() |
| 347 | { |
| 348 | // return myIt.More(); |
| 349 | return (myIndex <= myMapEF.Extent()); |
| 350 | } |
| 351 | |
| 352 | |
| 353 | //======================================================================= |
| 354 | //function : Edge |
| 355 | //purpose : |
| 356 | //======================================================================= |
| 357 | |
| 358 | TopoDS_Edge LocOpe_WiresOnShape::Edge() |
| 359 | { |
| 360 | // return TopoDS::Edge(myIt.Key()); |
| 361 | return TopoDS::Edge(myMapEF.FindKey(myIndex)); |
| 362 | } |
| 363 | |
| 364 | |
| 365 | //======================================================================= |
| 366 | //function : Face |
| 367 | //purpose : |
| 368 | //======================================================================= |
| 369 | |
| 370 | TopoDS_Face LocOpe_WiresOnShape::OnFace() |
| 371 | { |
| 372 | // return TopoDS::Face(myIt.Value()); |
| 373 | return TopoDS::Face(myMapEF(myIndex)); |
| 374 | } |
| 375 | |
| 376 | |
| 377 | //======================================================================= |
| 378 | //function : OnEdge |
| 379 | //purpose : |
| 380 | //======================================================================= |
| 381 | |
| 382 | Standard_Boolean LocOpe_WiresOnShape::OnEdge(TopoDS_Edge& E) |
| 383 | { |
| 384 | // if (myMap.IsBound(myIt.Key())) { |
| 385 | if (myMap.IsBound(myMapEF.FindKey(myIndex))) { |
| 386 | // E = TopoDS::Edge(myMap(myIt.Key())); |
| 387 | E = TopoDS::Edge(myMap(myMapEF.FindKey(myIndex))); |
| 388 | return Standard_True; |
| 389 | } |
| 390 | return Standard_False; |
| 391 | } |
| 392 | |
| 393 | |
| 394 | |
| 395 | |
| 396 | //======================================================================= |
| 397 | //function : NextEdge |
| 398 | //purpose : |
| 399 | //======================================================================= |
| 400 | |
| 401 | void LocOpe_WiresOnShape::NextEdge() |
| 402 | { |
| 403 | // myIt.Next(); |
| 404 | myIndex++; |
| 405 | } |
| 406 | |
| 407 | |
| 408 | |
| 409 | //======================================================================= |
| 410 | //function : OnVertex |
| 411 | //purpose : |
| 412 | //======================================================================= |
| 413 | |
| 414 | Standard_Boolean LocOpe_WiresOnShape::OnVertex(const TopoDS_Vertex& Vw, |
| 415 | TopoDS_Vertex& Vs) |
| 416 | { |
| 417 | if (myMap.IsBound(Vw)) { |
| 418 | if (myMap(Vw).ShapeType() == TopAbs_VERTEX) { |
| 419 | Vs = TopoDS::Vertex(myMap(Vw)); |
| 420 | return Standard_True; |
| 421 | } |
| 422 | return Standard_False; |
| 423 | } |
| 424 | return Standard_False; |
| 425 | } |
| 426 | |
| 427 | |
| 428 | //======================================================================= |
| 429 | //function : OnEdge |
| 430 | //purpose : |
| 431 | //======================================================================= |
| 432 | |
| 433 | Standard_Boolean LocOpe_WiresOnShape::OnEdge(const TopoDS_Vertex& V, |
| 434 | TopoDS_Edge& Ed, |
| 435 | Standard_Real& prm) |
| 436 | { |
| 437 | if (!myMap.IsBound(V) || |
| 438 | myMap(V).ShapeType() == TopAbs_VERTEX) { |
| 439 | return Standard_False; |
| 440 | } |
| 441 | |
| 442 | Ed = TopoDS::Edge(myMap(V)); |
| 443 | prm = Project(V,Ed); |
| 444 | return Standard_True; |
| 445 | } |
| 446 | |
| 447 | //======================================================================= |
| 448 | //function : OnEdge |
| 449 | //purpose : |
| 450 | //======================================================================= |
| 451 | |
| 452 | Standard_Boolean LocOpe_WiresOnShape::OnEdge(const TopoDS_Vertex& V, |
| 453 | const TopoDS_Edge& EdgeFrom, |
| 454 | TopoDS_Edge& Ed, |
| 455 | Standard_Real& prm) |
| 456 | { |
| 457 | if (!myMap.IsBound(V) || |
| 458 | myMap(V).ShapeType() == TopAbs_VERTEX) { |
| 459 | return Standard_False; |
| 460 | } |
| 461 | |
| 462 | Ed = TopoDS::Edge(myMap(V)); |
| 463 | TopoDS_Face theFace = TopoDS::Face(myMapEF.FindFromKey(EdgeFrom)); |
| 464 | //// |
| 465 | Standard_Real vtx_param = BRep_Tool::Parameter(V, EdgeFrom); |
| 466 | BRepAdaptor_Curve2d BAcurve2d(EdgeFrom, theFace); |
| 467 | gp_Pnt2d p2d = BAcurve2d.Value(vtx_param); |
| 468 | //// |
| 469 | prm = Project(V, p2d, Ed, theFace); |
| 470 | return Standard_True; |
| 471 | } |
| 472 | |
| 473 | |
| 474 | //======================================================================= |
| 475 | //function : Project |
| 476 | //purpose : |
| 477 | //======================================================================= |
| 478 | |
| 479 | Standard_Boolean Project(const TopoDS_Vertex& V, |
| 480 | const gp_Pnt2d& p2d, |
| 481 | const TopoDS_Face& F, |
| 482 | TopoDS_Edge& theEdge, |
| 483 | Standard_Real& param) |
| 484 | { |
| 485 | Handle(Geom2d_Curve) PC; |
| 486 | //TopLoc_Location Loc; |
| 487 | Standard_Real f,l; |
| 488 | |
| 489 | Standard_Real dmin = RealLast(); |
| 490 | //gp_Pnt toproj(BRep_Tool::Pnt(V)); |
| 491 | Standard_Boolean valret = Standard_False; |
| 492 | Geom2dAPI_ProjectPointOnCurve proj; |
| 493 | |
| 494 | for (TopExp_Explorer exp(F.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
| 495 | exp.More(); exp.Next()) { |
| 496 | const TopoDS_Edge& edg = TopoDS::Edge(exp.Current()); |
| 497 | //C = BRep_Tool::Curve(edg,Loc,f,l); |
| 498 | PC = BRep_Tool::CurveOnSurface(edg, F, f, l); |
| 499 | proj.Init(p2d, PC, f, l); |
| 500 | if (proj.NbPoints() > 0) { |
| 501 | if (proj.LowerDistance() < dmin) { |
| 502 | theEdge = edg; |
| 503 | theEdge.Orientation(edg.Orientation()); |
| 504 | dmin = proj.LowerDistance(); |
| 505 | param = proj.LowerDistanceParameter(); |
| 506 | } |
| 507 | } |
| 508 | } |
| 509 | |
| 510 | if(theEdge.IsNull()) |
| 511 | return Standard_False; |
| 512 | |
| 513 | Standard_Real ttol = BRep_Tool::Tolerance(V) + BRep_Tool::Tolerance(theEdge); |
| 514 | if (dmin <= ttol) { |
| 515 | valret = Standard_True; |
| 516 | BRep_Builder B; |
| 517 | B.UpdateVertex(V, Max(dmin, BRep_Tool::Tolerance(V))); |
| 518 | } |
| 519 | #ifdef DEB_MESH |
| 520 | else { |
| 521 | cout <<"LocOpe_WiresOnShape::Project --> le vertex projete est a une "; |
| 522 | cout <<"distance / la face = "<<dmin <<" superieure a la tolerance = "<<ttol<<endl; |
| 523 | } |
| 524 | #endif |
| 525 | return valret; |
| 526 | } |
| 527 | |
| 528 | //======================================================================= |
| 529 | //function : Project |
| 530 | //purpose : |
| 531 | //======================================================================= |
| 532 | |
| 533 | Standard_Real Project(const TopoDS_Vertex& V, |
| 534 | const TopoDS_Edge& theEdge) |
| 535 | { |
| 536 | Handle(Geom_Curve) C; |
| 537 | TopLoc_Location Loc; |
| 538 | Standard_Real f,l; |
| 539 | |
| 540 | gp_Pnt toproj(BRep_Tool::Pnt(V)); |
| 541 | GeomAPI_ProjectPointOnCurve proj; |
| 542 | |
| 543 | C = BRep_Tool::Curve(theEdge,Loc,f,l); |
| 544 | if (!Loc.IsIdentity()) { |
| 545 | Handle(Geom_Geometry) GG = C->Transformed(Loc.Transformation()); |
| 546 | C = *((Handle(Geom_Curve)*)&GG); |
| 547 | } |
| 548 | proj.Init(toproj,C,f,l); |
| 549 | |
| 550 | |
| 551 | return proj.LowerDistanceParameter(); |
| 552 | } |
| 553 | |
| 554 | //======================================================================= |
| 555 | //function : Project |
| 556 | //purpose : |
| 557 | //======================================================================= |
| 558 | |
| 559 | Standard_Real Project(const TopoDS_Vertex&, |
| 560 | const gp_Pnt2d& p2d, |
| 561 | const TopoDS_Edge& theEdge, |
| 562 | const TopoDS_Face& theFace) |
| 563 | { |
| 564 | //Handle(Geom_Curve) C; |
| 565 | Handle(Geom2d_Curve) PC; |
| 566 | //TopLoc_Location Loc; |
| 567 | Standard_Real f,l; |
| 568 | |
| 569 | Geom2dAPI_ProjectPointOnCurve proj; |
| 570 | |
| 571 | PC = BRep_Tool::CurveOnSurface(theEdge, theFace, f, l); |
| 572 | /* |
| 573 | if (!Loc.IsIdentity()) { |
| 574 | Handle(Geom_Geometry) GG = C->Transformed(Loc.Transformation()); |
| 575 | C = *((Handle(Geom_Curve)*)&GG); |
| 576 | } |
| 577 | */ |
| 578 | proj.Init(p2d, PC, f, l); |
| 579 | |
| 580 | return proj.LowerDistanceParameter(); |
| 581 | } |
| 582 | |
| 583 | |
| 584 | //======================================================================= |
| 585 | //function : PutPCurve |
| 586 | //purpose : |
| 587 | //======================================================================= |
| 588 | |
| 589 | void PutPCurve(const TopoDS_Edge& Edg, |
| 590 | const TopoDS_Face& Fac) |
| 591 | { |
| 592 | BRep_Builder B; |
| 593 | TopLoc_Location LocFac; |
| 594 | |
| 595 | Handle(Geom_Surface) S = BRep_Tool::Surface(Fac, LocFac); |
| 596 | Handle(Standard_Type) styp = S->DynamicType(); |
| 597 | |
| 598 | if (styp == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
| 599 | S = (*((Handle(Geom_RectangularTrimmedSurface)*)&(S)))->BasisSurface(); |
| 600 | styp = S->DynamicType(); |
| 601 | } |
| 602 | |
| 603 | if (styp == STANDARD_TYPE(Geom_Plane)) { |
| 604 | return; |
| 605 | } |
| 606 | |
| 607 | Standard_Real Umin,Umax,Vmin,Vmax; |
| 608 | BRepTools::UVBounds(Fac,Umin,Umax,Vmin,Vmax); |
| 609 | |
| 610 | Standard_Real f,l; |
| 611 | |
| 612 | //if (!BRep_Tool::CurveOnSurface(Edg,Fac,f,l).IsNull()) { |
| 613 | // return; |
| 614 | //} |
| 615 | Handle(Geom2d_Curve) aC2d = BRep_Tool::CurveOnSurface(Edg,Fac,f,l); |
| 616 | if ( !aC2d.IsNull() ) { |
| 617 | gp_Pnt2d p2d; |
| 618 | aC2d->D0(f,p2d); |
| 619 | Standard_Boolean IsIn = Standard_True; |
| 620 | if ( ( p2d.X() < Umin-Precision::PConfusion() ) || |
| 621 | ( p2d.X() > Umax+Precision::PConfusion() ) ) |
| 622 | IsIn = Standard_False; |
| 623 | if ( ( p2d.Y() < Vmin-Precision::PConfusion() ) || |
| 624 | ( p2d.Y() > Vmax+Precision::PConfusion() ) ) |
| 625 | IsIn = Standard_False; |
| 626 | aC2d->D0(l,p2d); |
| 627 | if ( ( p2d.X() < Umin-Precision::PConfusion() ) || |
| 628 | ( p2d.X() > Umax+Precision::PConfusion() ) ) |
| 629 | IsIn = Standard_False; |
| 630 | if ( ( p2d.Y() < Vmin-Precision::PConfusion() ) || |
| 631 | ( p2d.Y() > Vmax+Precision::PConfusion() ) ) |
| 632 | IsIn = Standard_False; |
| 633 | if (IsIn) |
| 634 | return; |
| 635 | } |
| 636 | |
| 637 | TopLoc_Location Loc; |
| 638 | Handle(Geom_Curve) C = BRep_Tool::Curve(Edg,Loc,f,l); |
| 639 | if (!Loc.IsIdentity()) { |
| 640 | Handle(Geom_Geometry) GG = C->Transformed(Loc.Transformation()); |
| 641 | C = *((Handle(Geom_Curve)*)&GG); |
| 642 | } |
| 643 | |
| 644 | if (C->DynamicType() != STANDARD_TYPE(Geom_TrimmedCurve)) { |
| 645 | C = new Geom_TrimmedCurve(C,f,l); |
| 646 | } |
| 647 | |
| 648 | S = BRep_Tool::Surface(Fac); |
| 649 | |
| 650 | // Compute the tol2d |
| 651 | Standard_Real tol3d = Max(BRep_Tool::Tolerance(Edg), |
| 652 | BRep_Tool::Tolerance(Fac)); |
| 653 | GeomAdaptor_Surface Gas(S,Umin,Umax,Vmin,Vmax); |
| 654 | Standard_Real TolU = Gas.UResolution(tol3d); |
| 655 | Standard_Real TolV = Gas.VResolution(tol3d); |
| 656 | Standard_Real tol2d = Max(TolU,TolV); |
| 657 | |
| 658 | Handle(Geom2d_Curve) C2d = |
| 659 | GeomProjLib::Curve2d(C,S,Umin,Umax,Vmin,Vmax,tol2d); |
| 660 | if(C2d.IsNull()) |
| 661 | return; |
| 662 | gp_Pnt2d pf(C2d->Value(f)); |
| 663 | gp_Pnt2d pl(C2d->Value(l)); |
| 664 | gp_Pnt PF,PL; |
| 665 | S->D0(pf.X(),pf.Y(),PF); |
| 666 | S->D0(pl.X(),pl.Y(),PL); |
| 667 | TopoDS_Vertex V1,V2; |
| 668 | if (Edg.Orientation() == TopAbs_REVERSED) { |
| 669 | V1 = TopExp::LastVertex(Edg); |
| 670 | V1.Reverse(); |
| 671 | } |
| 672 | else { |
| 673 | V1 = TopExp::FirstVertex (Edg); |
| 674 | } |
| 675 | if (Edg.Orientation() == TopAbs_REVERSED) { |
| 676 | V2 = TopExp::FirstVertex(Edg); |
| 677 | V2.Reverse(); |
| 678 | } |
| 679 | else { |
| 680 | V2 = TopExp::LastVertex (Edg); |
| 681 | } |
| 682 | |
| 683 | if(!V1.IsNull() && V2.IsNull()) { |
| 684 | //Handling of internal vertices |
| 685 | Standard_Real old1 = BRep_Tool::Tolerance (V1); |
| 686 | Standard_Real old2 = BRep_Tool::Tolerance (V2); |
| 687 | gp_Pnt pnt1 = BRep_Tool::Pnt (V1); |
| 688 | gp_Pnt pnt2 = BRep_Tool::Pnt (V2); |
| 689 | Standard_Real tol1 = pnt1.Distance(PF); |
| 690 | Standard_Real tol2 = pnt2.Distance(PL); |
| 691 | B.UpdateVertex(V1,Max(old1,tol1)); |
| 692 | B.UpdateVertex(V2,Max(old2,tol2)); |
| 693 | } |
| 694 | |
| 695 | if (S->IsUPeriodic()) { |
| 696 | Standard_Real up = S->UPeriod(); |
| 697 | Standard_Real tolu = Precision::PConfusion();// Epsilon(up); |
| 698 | Standard_Integer nbtra = 0; |
| 699 | Standard_Real theUmin = Min(pf.X(),pl.X()); |
| 700 | Standard_Real theUmax = Max(pf.X(),pl.X()); |
| 701 | |
| 702 | if (theUmin < Umin-tolu) { |
| 703 | while (theUmin < Umin-tolu) { |
| 704 | theUmin += up; |
| 705 | nbtra++; |
| 706 | } |
| 707 | } |
| 708 | else if (theUmax > Umax+tolu) { |
| 709 | while (theUmax > Umax+tolu) { |
| 710 | theUmax -= up; |
| 711 | nbtra--; |
| 712 | } |
| 713 | } |
| 714 | |
| 715 | /* |
| 716 | if (theUmin > Umax-tolu) { |
| 717 | while (theUmin > Umax-tolu) { |
| 718 | theUmin -= up; |
| 719 | nbtra--; |
| 720 | } |
| 721 | } |
| 722 | else if (theUmax < Umin+tolu) { |
| 723 | while (theUmax < Umin+tolu) { |
| 724 | theUmax += up; |
| 725 | nbtra++; |
| 726 | } |
| 727 | } |
| 728 | */ |
| 729 | if (nbtra !=0) { |
| 730 | C2d->Translate(gp_Vec2d(nbtra*up,0.)); |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | if (S->IsVPeriodic()) { |
| 735 | Standard_Real vp = S->VPeriod(); |
| 736 | Standard_Real tolv = Precision::PConfusion();// Epsilon(vp); |
| 737 | Standard_Integer nbtra = 0; |
| 738 | Standard_Real theVmin = Min(pf.Y(),pl.Y()); |
| 739 | Standard_Real theVmax = Max(pf.Y(),pl.Y()); |
| 740 | |
| 741 | if (theVmin < Vmin-tolv) { |
| 742 | while (theVmin < Vmin-tolv) { |
| 743 | theVmin += vp; theVmax += vp; |
| 744 | nbtra++; |
| 745 | } |
| 746 | } |
| 747 | else if (theVmax > Vmax+tolv) { |
| 748 | while (theVmax > Vmax+tolv) { |
| 749 | theVmax -= vp; theVmin -= vp; |
| 750 | nbtra--; |
| 751 | } |
| 752 | } |
| 753 | /* |
| 754 | if (theVmin > Vmax-tolv) { |
| 755 | while (theVmin > Vmax-tolv) { |
| 756 | theVmin -= vp; |
| 757 | nbtra--; |
| 758 | } |
| 759 | } |
| 760 | else if (theVmax < Vmin+tolv) { |
| 761 | while (theVmax < Vmin+tolv) { |
| 762 | theVmax += vp; |
| 763 | nbtra++; |
| 764 | } |
| 765 | } |
| 766 | */ |
| 767 | if (nbtra !=0) { |
| 768 | C2d->Translate(gp_Vec2d(0.,nbtra*vp)); |
| 769 | } |
| 770 | } |
| 771 | B.UpdateEdge(Edg,C2d,Fac,BRep_Tool::Tolerance(Edg)); |
| 772 | |
| 773 | B.SameParameter(Edg,Standard_False); |
| 774 | BRepLib::SameParameter(Edg,tol2d); |
| 775 | } |
| 776 | |
| 777 | |
| 778 | //======================================================================= |
| 779 | //function : PutPCurves |
| 780 | //purpose : |
| 781 | //======================================================================= |
| 782 | |
| 783 | void PutPCurves(const TopoDS_Edge& Efrom, |
| 784 | const TopoDS_Edge& Eto, |
| 785 | const TopoDS_Shape& myShape) |
| 786 | { |
| 787 | |
| 788 | TopTools_ListOfShape Lfaces; |
| 789 | TopExp_Explorer exp,exp2; |
| 790 | |
| 791 | for (exp.Init(myShape,TopAbs_FACE); exp.More(); exp.Next()) { |
| 792 | for (exp2.Init(exp.Current(), TopAbs_EDGE); exp2.More();exp2.Next()) { |
| 793 | if (exp2.Current().IsSame(Eto)) { |
| 794 | Lfaces.Append(exp.Current()); |
| 795 | } |
| 796 | } |
| 797 | } |
| 798 | |
| 799 | if (Lfaces.Extent() != 1 && Lfaces.Extent() !=2) { |
| 800 | Standard_ConstructionError::Raise(); |
| 801 | } |
| 802 | |
| 803 | // soit bord libre, soit connexite entre 2 faces, eventuellement edge closed |
| 804 | |
| 805 | if (Lfaces.Extent() ==1) { |
| 806 | return; // sera fait par PutPCurve.... on l`espere |
| 807 | } |
| 808 | |
| 809 | BRep_Builder B; |
| 810 | Handle(Geom_Surface) S; |
| 811 | Handle(Standard_Type) styp; |
| 812 | Handle(Geom_Curve) C; |
| 813 | Standard_Real Umin,Umax,Vmin,Vmax; |
| 814 | Standard_Real f,l; |
| 815 | TopLoc_Location Loc, LocFac; |
| 816 | |
| 817 | if (!Lfaces.First().IsSame(Lfaces.Last())) { |
| 818 | TopTools_ListIteratorOfListOfShape itl(Lfaces); |
| 819 | for (; itl.More(); itl.Next()) { |
| 820 | const TopoDS_Face& Fac = TopoDS::Face(itl.Value()); |
| 821 | |
| 822 | if (!BRep_Tool::CurveOnSurface(Efrom,Fac,f,l).IsNull()) { |
| 823 | continue; |
| 824 | } |
| 825 | S = BRep_Tool::Surface(Fac, LocFac); |
| 826 | styp = S->DynamicType(); |
| 827 | if (styp == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
| 828 | S = (*((Handle(Geom_RectangularTrimmedSurface)*)&(S)))->BasisSurface(); |
| 829 | styp = S->DynamicType(); |
| 830 | } |
| 831 | if (styp == STANDARD_TYPE(Geom_Plane)) { |
| 832 | continue; |
| 833 | } |
| 834 | |
| 835 | |
| 836 | BRepTools::UVBounds(Fac,Umin,Umax,Vmin,Vmax); |
| 837 | C = BRep_Tool::Curve(Efrom,Loc,f,l); |
| 838 | if (!Loc.IsIdentity()) { |
| 839 | Handle(Geom_Geometry) GG = C->Transformed(Loc.Transformation()); |
| 840 | C = *((Handle(Geom_Curve)*)&GG); |
| 841 | } |
| 842 | |
| 843 | if (C->DynamicType() != STANDARD_TYPE(Geom_TrimmedCurve)) { |
| 844 | C = new Geom_TrimmedCurve(C,f,l); |
| 845 | } |
| 846 | |
| 847 | S = BRep_Tool::Surface(Fac); |
| 848 | |
| 849 | // Compute the tol2d |
| 850 | Standard_Real tol3d = Max(BRep_Tool::Tolerance(Efrom), |
| 851 | BRep_Tool::Tolerance(Fac)); |
| 852 | GeomAdaptor_Surface Gas(S,Umin,Umax,Vmin,Vmax); |
| 853 | Standard_Real TolU = Gas.UResolution(tol3d); |
| 854 | Standard_Real TolV = Gas.VResolution(tol3d); |
| 855 | Standard_Real tol2d = Max(TolU,TolV); |
| 856 | |
| 857 | Handle(Geom2d_Curve) C2d = |
| 858 | GeomProjLib::Curve2d(C,S,Umin,Umax,Vmin,Vmax,tol2d); |
| 859 | if(C2d.IsNull()) |
| 860 | return; |
| 861 | |
| 862 | gp_Pnt2d pf(C2d->Value(f)); |
| 863 | gp_Pnt2d pl(C2d->Value(l)); |
| 864 | |
| 865 | if (S->IsUPeriodic()) { |
| 866 | Standard_Real up = S->UPeriod(); |
| 867 | Standard_Real tolu = Precision::PConfusion();// Epsilon(up); |
| 868 | Standard_Integer nbtra = 0; |
| 869 | Standard_Real theUmin = Min(pf.X(),pl.X()); |
| 870 | Standard_Real theUmax = Max(pf.X(),pl.X()); |
| 871 | |
| 872 | if (theUmin < Umin-tolu) { |
| 873 | while (theUmin < Umin-tolu) { |
| 874 | theUmin += up; theUmax += up; |
| 875 | nbtra++; |
| 876 | } |
| 877 | } |
| 878 | else if (theUmax > Umax+tolu) { |
| 879 | while (theUmax > Umax+tolu) { |
| 880 | theUmax -= up; theUmin -= up; |
| 881 | nbtra--; |
| 882 | } |
| 883 | } |
| 884 | /* |
| 885 | if (theUmin > Umax+tolu) { |
| 886 | while (theUmin > Umax+tolu) { |
| 887 | theUmin -= up; |
| 888 | nbtra--; |
| 889 | } |
| 890 | } |
| 891 | else if (theUmax < Umin-tolu) { |
| 892 | while (theUmax < Umin-tolu) { |
| 893 | theUmax += up; |
| 894 | nbtra++; |
| 895 | } |
| 896 | } |
| 897 | */ |
| 898 | if (nbtra !=0) { |
| 899 | C2d->Translate(gp_Vec2d(nbtra*up,0.)); |
| 900 | } |
| 901 | } |
| 902 | |
| 903 | if (S->IsVPeriodic()) { |
| 904 | Standard_Real vp = S->VPeriod(); |
| 905 | Standard_Real tolv = Precision::PConfusion();// Epsilon(vp); |
| 906 | Standard_Integer nbtra = 0; |
| 907 | Standard_Real theVmin = Min(pf.Y(),pl.Y()); |
| 908 | Standard_Real theVmax = Max(pf.Y(),pl.Y()); |
| 909 | |
| 910 | if (theVmin < Vmin-tolv) { |
| 911 | while (theVmin < Vmin-tolv) { |
| 912 | theVmin += vp; theVmax += vp; |
| 913 | nbtra++; |
| 914 | } |
| 915 | } |
| 916 | else if (theVmax > Vmax+tolv) { |
| 917 | while (theVmax > Vmax+tolv) { |
| 918 | theVmax -= vp; theVmin -= vp; |
| 919 | nbtra--; |
| 920 | } |
| 921 | } |
| 922 | /* |
| 923 | if (theVmin > Vmax+tolv) { |
| 924 | while (theVmin > Vmax+tolv) { |
| 925 | theVmin -= vp; |
| 926 | nbtra--; |
| 927 | } |
| 928 | } |
| 929 | else if (theVmax < Vmin-tolv) { |
| 930 | while (theVmax < Vmin-tolv) { |
| 931 | theVmax += vp; |
| 932 | nbtra++; |
| 933 | } |
| 934 | } |
| 935 | */ |
| 936 | if (nbtra !=0) { |
| 937 | C2d->Translate(gp_Vec2d(0.,nbtra*vp)); |
| 938 | } |
| 939 | } |
| 940 | B.UpdateEdge(Efrom,C2d,Fac,BRep_Tool::Tolerance(Efrom)); |
| 941 | } |
| 942 | } |
| 943 | |
| 944 | else { |
| 945 | const TopoDS_Face& Fac = TopoDS::Face(Lfaces.First()); |
| 946 | if (!BRep_Tool::IsClosed(Eto,Fac)) { |
| 947 | Standard_ConstructionError::Raise(); |
| 948 | } |
| 949 | |
| 950 | TopoDS_Shape aLocalE = Efrom.Oriented(TopAbs_FORWARD); |
| 951 | TopoDS_Shape aLocalF = Fac.Oriented(TopAbs_FORWARD); |
| 952 | Handle(Geom2d_Curve) c2dff = |
| 953 | BRep_Tool::CurveOnSurface(TopoDS::Edge(aLocalE), |
| 954 | TopoDS::Face(aLocalF), |
| 955 | f,l); |
| 956 | |
| 957 | // Handle(Geom2d_Curve) c2dff = |
| 958 | // BRep_Tool::CurveOnSurface(TopoDS::Edge(Efrom.Oriented(TopAbs_FORWARD)), |
| 959 | // TopoDS::Face(Fac.Oriented(TopAbs_FORWARD)), |
| 960 | // f,l); |
| 961 | |
| 962 | aLocalE = Efrom.Oriented(TopAbs_REVERSED); |
| 963 | aLocalF = Fac.Oriented(TopAbs_FORWARD); |
| 964 | Handle(Geom2d_Curve) c2dfr = |
| 965 | BRep_Tool::CurveOnSurface(TopoDS::Edge(aLocalE), |
| 966 | TopoDS::Face(aLocalF), |
| 967 | f,l); |
| 968 | // Handle(Geom2d_Curve) c2dfr = |
| 969 | // BRep_Tool::CurveOnSurface(TopoDS::Edge(Efrom.Oriented(TopAbs_REVERSED)), |
| 970 | // TopoDS::Face(Fac.Oriented(TopAbs_FORWARD)), |
| 971 | // f,l); |
| 972 | |
| 973 | aLocalE = Eto.Oriented(TopAbs_FORWARD); |
| 974 | aLocalF = Fac.Oriented(TopAbs_FORWARD); |
| 975 | Handle(Geom2d_Curve) c2dtf = |
| 976 | BRep_Tool::CurveOnSurface(TopoDS::Edge(aLocalE), |
| 977 | TopoDS::Face(aLocalF), |
| 978 | f,l); |
| 979 | |
| 980 | // Handle(Geom2d_Curve) c2dtf = |
| 981 | // BRep_Tool::CurveOnSurface(TopoDS::Edge(Eto.Oriented(TopAbs_FORWARD)), |
| 982 | // TopoDS::Face(Fac.Oriented(TopAbs_FORWARD)), |
| 983 | // f,l); |
| 984 | aLocalE = Eto.Oriented(TopAbs_REVERSED); |
| 985 | aLocalF = Fac.Oriented(TopAbs_FORWARD); |
| 986 | Handle(Geom2d_Curve) c2dtr = |
| 987 | BRep_Tool::CurveOnSurface(TopoDS::Edge(aLocalE), |
| 988 | TopoDS::Face(aLocalF), |
| 989 | f,l); |
| 990 | // Handle(Geom2d_Curve) c2dtr = |
| 991 | // BRep_Tool::CurveOnSurface(TopoDS::Edge(Eto.Oriented(TopAbs_REVERSED)), |
| 992 | // TopoDS::Face(Fac.Oriented(TopAbs_FORWARD)), |
| 993 | // f,l); |
| 994 | |
| 995 | gp_Pnt2d ptf(c2dtf->Value(f)); // sur courbe frw |
| 996 | gp_Pnt2d ptr(c2dtr->Value(f)); // sur courbe rev |
| 997 | |
| 998 | Standard_Boolean isoU = (Abs(ptf.Y()-ptr.Y())<Epsilon(ptf.X())); // meme V |
| 999 | |
| 1000 | // Efrom et Eto dans le meme sens??? |
| 1001 | |
| 1002 | C = BRep_Tool::Curve(Efrom,Loc,f,l); |
| 1003 | if (!Loc.IsIdentity()) { |
| 1004 | Handle(Geom_Geometry) GG = C->Transformed(Loc.Transformation()); |
| 1005 | C = *((Handle(Geom_Curve)*)&GG); |
| 1006 | } |
| 1007 | |
| 1008 | gp_Pnt pt; |
| 1009 | gp_Vec d1f,d1t; |
| 1010 | |
| 1011 | C->D1(f,pt,d1f); |
| 1012 | |
| 1013 | //// |
| 1014 | TopoDS_Vertex FirstVertex = TopExp::FirstVertex(Efrom); |
| 1015 | Standard_Real vtx_param = BRep_Tool::Parameter(FirstVertex, Efrom); |
| 1016 | BRepAdaptor_Curve2d BAcurve2d(Efrom, Fac); |
| 1017 | gp_Pnt2d p2d = BAcurve2d.Value(vtx_param); |
| 1018 | //// |
| 1019 | Standard_Real prmproj = Project(TopExp::FirstVertex(Efrom),p2d,Eto,Fac); |
| 1020 | |
| 1021 | C = BRep_Tool::Curve(Eto,Loc,f,l); |
| 1022 | if (!Loc.IsIdentity()) { |
| 1023 | Handle(Geom_Geometry) GG = C->Transformed(Loc.Transformation()); |
| 1024 | C = *((Handle(Geom_Curve)*)&GG); |
| 1025 | } |
| 1026 | |
| 1027 | C->D1(prmproj,pt,d1t); |
| 1028 | |
| 1029 | Standard_Real SameOri = (d1t.Dot(d1f)>0.); |
| 1030 | |
| 1031 | |
| 1032 | if (c2dff.IsNull() && c2dfr.IsNull()) { |
| 1033 | S = BRep_Tool::Surface(Fac); |
| 1034 | styp = S->DynamicType(); |
| 1035 | if (styp == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
| 1036 | S = (*((Handle(Geom_RectangularTrimmedSurface)*)&(S)))->BasisSurface(); |
| 1037 | styp = S->DynamicType(); |
| 1038 | } |
| 1039 | |
| 1040 | C = BRep_Tool::Curve(Efrom,Loc,f,l); |
| 1041 | if (!Loc.IsIdentity()) { |
| 1042 | Handle(Geom_Geometry) GG = C->Transformed(Loc.Transformation()); |
| 1043 | C = *((Handle(Geom_Curve)*)&GG); |
| 1044 | } |
| 1045 | |
| 1046 | if (C->DynamicType() != STANDARD_TYPE(Geom_TrimmedCurve)) { |
| 1047 | C = new Geom_TrimmedCurve(C,f,l); |
| 1048 | } |
| 1049 | |
| 1050 | // Compute the tol2d |
| 1051 | BRepTools::UVBounds(Fac,Umin,Umax,Vmin,Vmax); |
| 1052 | |
| 1053 | Standard_Real tol3d = Max(BRep_Tool::Tolerance(Efrom), |
| 1054 | BRep_Tool::Tolerance(Fac)); |
| 1055 | GeomAdaptor_Surface Gas(S,Umin,Umax,Vmin,Vmax); |
| 1056 | Standard_Real TolU = Gas.UResolution(tol3d); |
| 1057 | Standard_Real TolV = Gas.VResolution(tol3d); |
| 1058 | Standard_Real tol2d = Max(TolU,TolV); |
| 1059 | |
| 1060 | Handle(Geom2d_Curve) C2d = |
| 1061 | GeomProjLib::Curve2d(C,S,Umin,Umax,Vmin,Vmax,tol2d); |
| 1062 | c2dff = C2d; |
| 1063 | c2dfr = C2d; |
| 1064 | } |
| 1065 | else if (c2dfr.IsNull()) { |
| 1066 | c2dfr = c2dff; |
| 1067 | |
| 1068 | } |
| 1069 | else if (c2dff.IsNull()) { |
| 1070 | c2dff = c2dfr; |
| 1071 | } |
| 1072 | |
| 1073 | BRep_Tool::Range(Efrom,f,l); |
| 1074 | |
| 1075 | gp_Pnt2d p2f = c2dff->Value(f); |
| 1076 | gp_Pnt2d p2r = c2dfr->Value(f); |
| 1077 | |
| 1078 | if (isoU) { |
| 1079 | if (SameOri) { |
| 1080 | if (Abs(ptf.X()-p2f.X()) > Epsilon(ptf.X())) { |
| 1081 | c2dff = Handle(Geom2d_Curve)::DownCast |
| 1082 | (c2dff->Translated(gp_Vec2d(ptf.X()-p2f.X(),0.))); |
| 1083 | } |
| 1084 | if (Abs(ptr.X()-p2r.X()) > Epsilon(ptr.X())) { |
| 1085 | c2dfr = Handle(Geom2d_Curve)::DownCast |
| 1086 | (c2dfr->Translated(gp_Vec2d(ptr.X()-p2r.X(),0.))); |
| 1087 | } |
| 1088 | } |
| 1089 | else { |
| 1090 | if (Abs(ptr.X()-p2f.X()) > Epsilon(ptr.X())) { |
| 1091 | c2dff = Handle(Geom2d_Curve)::DownCast |
| 1092 | (c2dff->Translated(gp_Vec2d(ptr.X()-p2f.X(),0.))); |
| 1093 | } |
| 1094 | |
| 1095 | if (Abs(ptf.X()-p2r.X()) > Epsilon(ptf.X())) { |
| 1096 | c2dfr = Handle(Geom2d_Curve)::DownCast |
| 1097 | (c2dfr->Translated(gp_Vec2d(ptf.X()-p2r.X(),0.))); |
| 1098 | } |
| 1099 | } |
| 1100 | |
| 1101 | // on est bien en U, recalage si periodique en V a faire |
| 1102 | |
| 1103 | |
| 1104 | |
| 1105 | } |
| 1106 | |
| 1107 | else { // !isoU soit isoV |
| 1108 | if (SameOri) { |
| 1109 | if (Abs(ptf.Y()-p2f.Y()) > Epsilon(ptf.Y())) { |
| 1110 | c2dff = Handle(Geom2d_Curve)::DownCast |
| 1111 | (c2dff->Translated(gp_Vec2d(0.,ptf.Y()-p2f.Y()))); |
| 1112 | } |
| 1113 | if (Abs(ptr.Y()-p2r.Y()) > Epsilon(ptr.Y())) { |
| 1114 | c2dfr = Handle(Geom2d_Curve)::DownCast |
| 1115 | (c2dfr->Translated(gp_Vec2d(0.,ptr.Y()-p2r.Y()))); |
| 1116 | } |
| 1117 | } |
| 1118 | else { |
| 1119 | if (Abs(ptr.Y()-p2f.Y()) > Epsilon(ptr.Y())) { |
| 1120 | c2dff = Handle(Geom2d_Curve)::DownCast |
| 1121 | (c2dff->Translated(gp_Vec2d(0.,ptr.Y()-p2f.Y()))); |
| 1122 | } |
| 1123 | if (Abs(ptf.Y()-p2r.Y()) > Epsilon(ptf.Y())) { |
| 1124 | c2dfr = Handle(Geom2d_Curve)::DownCast |
| 1125 | (c2dfr->Translated(gp_Vec2d(0.,ptf.Y()-p2r.Y()))); |
| 1126 | } |
| 1127 | } |
| 1128 | // on est bien en V, recalage si periodique en U a faire |
| 1129 | |
| 1130 | } |
| 1131 | B.UpdateEdge(Efrom,c2dff,c2dfr,Fac,BRep_Tool::Tolerance(Efrom)); |
| 1132 | } |
| 1133 | } |
| 1134 | |
| 1135 | //======================================================================= |
| 1136 | //function : FindInternalIntersections |
| 1137 | //purpose : |
| 1138 | //======================================================================= |
| 1139 | |
| 1140 | void FindInternalIntersections(const TopoDS_Edge& theEdge, |
| 1141 | const TopoDS_Face& theFace, |
| 1142 | TopTools_IndexedDataMapOfShapeListOfShape& Splits, |
| 1143 | TopTools_DataMapOfShapeShape& GlobalMap, |
| 1144 | TopTools_MapOfShape& theMap) |
| 1145 | { |
| 1146 | Standard_Real TolExt = Precision::PConfusion(); |
| 1147 | Standard_Integer i, j, aNbExt; |
| 1148 | |
| 1149 | TColStd_SequenceOfReal SplitPars; |
| 1150 | |
| 1151 | TopoDS_Vertex theVertices [2]; |
| 1152 | TopExp::Vertices(theEdge, theVertices[0], theVertices[1]); |
| 1153 | gp_Pnt thePnt [2]; |
| 1154 | thePnt[0] = BRep_Tool::Pnt(theVertices[0]); |
| 1155 | thePnt[1] = BRep_Tool::Pnt(theVertices[1]); |
| 1156 | |
| 1157 | BRepAdaptor_Curve2d thePCurve(theEdge, theFace); |
| 1158 | Bnd_Box2d theBox; |
| 1159 | BndLib_Add2dCurve::Add(thePCurve, BRep_Tool::Tolerance(theEdge), theBox); |
| 1160 | |
| 1161 | Standard_Real thePar [2]; |
| 1162 | Standard_Real /*theFpar, theLpar,*/ aFpar, aLpar; |
| 1163 | const Handle(Geom_Curve)& theCurve = BRep_Tool::Curve(theEdge, thePar[0], thePar[1]); |
| 1164 | GeomAdaptor_Curve theGAcurve(theCurve, thePar[0], thePar[1]); |
| 1165 | |
| 1166 | TopExp_Explorer Explo(theFace, TopAbs_EDGE); |
| 1167 | for (; Explo.More(); Explo.Next()) |
| 1168 | { |
| 1169 | const TopoDS_Edge& anEdge = TopoDS::Edge(Explo.Current()); |
| 1170 | BRepAdaptor_Curve2d aPCurve(anEdge, theFace); |
| 1171 | Bnd_Box2d aBox; |
| 1172 | BndLib_Add2dCurve::Add(aPCurve, BRep_Tool::Tolerance(anEdge), aBox); |
| 1173 | if (theBox.IsOut(aBox)) |
| 1174 | continue; |
| 1175 | |
| 1176 | const Handle(Geom_Curve)& aCurve = BRep_Tool::Curve(anEdge, aFpar, aLpar); |
| 1177 | GeomAdaptor_Curve aGAcurve(aCurve, aFpar, aLpar); |
| 1178 | Extrema_ExtCC anExtrema(theGAcurve, aGAcurve, TolExt, TolExt); |
| 1179 | |
| 1180 | if (!anExtrema.IsDone()) |
| 1181 | continue; |
| 1182 | if (anExtrema.IsParallel()) |
| 1183 | continue; |
| 1184 | |
| 1185 | aNbExt = anExtrema.NbExt(); |
| 1186 | Standard_Real MaxTol = Max(BRep_Tool::Tolerance(theEdge), BRep_Tool::Tolerance(anEdge)); |
| 1187 | for (i = 1; i <= aNbExt; i++) |
| 1188 | { |
| 1189 | Standard_Real aDist = Sqrt(anExtrema.SquareDistance(i)); |
| 1190 | if (aDist > MaxTol) |
| 1191 | continue; |
| 1192 | |
| 1193 | Extrema_POnCurv aPOnC1, aPOnC2; |
| 1194 | anExtrema.Points(i, aPOnC1, aPOnC2); |
| 1195 | Standard_Real theIntPar = aPOnC1.Parameter(); |
| 1196 | Standard_Real anIntPar = aPOnC2.Parameter(); |
| 1197 | Standard_Boolean IntersFound = Standard_False; |
| 1198 | for (j = 0; j < 2; j++) //try to find intersection on an extremity of "theEdge" |
| 1199 | { |
| 1200 | if (Abs(theIntPar - thePar[j]) <= Precision::PConfusion() && |
| 1201 | aDist <= Precision::Confusion()) |
| 1202 | { |
| 1203 | theMap.Add(theVertices[j]); |
| 1204 | TopExp_Explorer exp2(anEdge, TopAbs_VERTEX); |
| 1205 | for (; exp2.More(); exp2.Next()) |
| 1206 | { |
| 1207 | const TopoDS_Vertex& aVertex = TopoDS::Vertex(exp2.Current()); |
| 1208 | if (aVertex.IsSame(theVertices[j])) |
| 1209 | { |
| 1210 | IntersFound = Standard_True; |
| 1211 | break; |
| 1212 | } |
| 1213 | if (BRepTools::Compare(theVertices[j], aVertex)) |
| 1214 | { |
| 1215 | GlobalMap.Bind(theVertices[j], aVertex); |
| 1216 | IntersFound = Standard_True; |
| 1217 | break; |
| 1218 | } |
| 1219 | } |
| 1220 | if (!IntersFound) |
| 1221 | { |
| 1222 | GlobalMap.Bind(theVertices[j], anEdge); |
| 1223 | IntersFound = Standard_True; |
| 1224 | break; |
| 1225 | } |
| 1226 | } |
| 1227 | } |
| 1228 | if (!IntersFound && aDist <= Precision::Confusion()) //intersection is inside "theEdge" => split |
| 1229 | { |
| 1230 | gp_Pnt aPoint = aCurve->Value(anIntPar); |
| 1231 | if (aPoint.Distance(thePnt[0]) > BRep_Tool::Tolerance(theVertices[0]) && |
| 1232 | aPoint.Distance(thePnt[1]) > BRep_Tool::Tolerance(theVertices[1])) |
| 1233 | SplitPars.Append(theIntPar); |
| 1234 | } |
| 1235 | } |
| 1236 | } |
| 1237 | |
| 1238 | if (SplitPars.IsEmpty()) |
| 1239 | return; |
| 1240 | |
| 1241 | //Sort |
| 1242 | for (i = 1; i < SplitPars.Length(); i++) |
| 1243 | for (j = i+1; j <= SplitPars.Length(); j++) |
| 1244 | if (SplitPars(i) > SplitPars(j)) |
| 1245 | { |
| 1246 | Standard_Real Tmp = SplitPars(i); |
| 1247 | SplitPars(i) = SplitPars(j); |
| 1248 | SplitPars(j) = Tmp; |
| 1249 | } |
| 1250 | |
| 1251 | //Remove repeating points |
| 1252 | i = 1; |
| 1253 | while (i < SplitPars.Length()) |
| 1254 | { |
| 1255 | gp_Pnt Pnt1 = theCurve->Value(SplitPars(i)); |
| 1256 | gp_Pnt Pnt2 = theCurve->Value(SplitPars(i+1)); |
| 1257 | if (Pnt1.Distance(Pnt2) <= Precision::Confusion()) |
| 1258 | SplitPars.Remove(i+1); |
| 1259 | else |
| 1260 | i++; |
| 1261 | } |
| 1262 | |
| 1263 | //Split |
| 1264 | TopTools_ListOfShape NewEdges; |
| 1265 | BRep_Builder BB; |
| 1266 | //theVertices[0].Orientation(TopAbs_FORWARD); |
| 1267 | //theVertices[1].Orientation(TopAbs_REVERSED); |
| 1268 | TopoDS_Vertex FirstVertex = theVertices[0], LastVertex; |
| 1269 | Standard_Real FirstPar = thePar[0], LastPar; |
| 1270 | for (i = 1; i <= SplitPars.Length()+1; i++) |
| 1271 | { |
| 1272 | FirstVertex.Orientation(TopAbs_FORWARD); |
| 1273 | if (i <= SplitPars.Length()) |
| 1274 | { |
| 1275 | LastPar = SplitPars(i); |
| 1276 | gp_Pnt LastPoint = theCurve->Value(LastPar); |
| 1277 | LastVertex = BRepLib_MakeVertex(LastPoint); |
| 1278 | } |
| 1279 | else |
| 1280 | { |
| 1281 | LastPar = thePar[1]; |
| 1282 | LastVertex = theVertices[1]; |
| 1283 | } |
| 1284 | LastVertex.Orientation(TopAbs_REVERSED); |
| 1285 | |
| 1286 | TopoDS_Shape aLocalShape = theEdge.EmptyCopied(); |
| 1287 | TopAbs_Orientation anOrient = aLocalShape.Orientation(); |
| 1288 | aLocalShape.Orientation(TopAbs_FORWARD); |
| 1289 | TopoDS_Edge NewEdge = TopoDS::Edge(aLocalShape); |
| 1290 | BB.Range(NewEdge, FirstPar, LastPar); |
| 1291 | BB.Add(NewEdge, FirstVertex); |
| 1292 | BB.Add(NewEdge, LastVertex); |
| 1293 | NewEdge.Orientation(anOrient); |
| 1294 | NewEdges.Append(NewEdge); |
| 1295 | FirstVertex = LastVertex; |
| 1296 | FirstPar = LastPar; |
| 1297 | } |
| 1298 | |
| 1299 | if (!NewEdges.IsEmpty()) |
| 1300 | Splits.Add(theEdge, NewEdges); |
| 1301 | } |