| 1 | // Created on: 1995-04-20 |
| 2 | // Created by: Bruno DUMORTIER |
| 3 | // Copyright (c) 1995-1999 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 | // Modified by skv - Fri Jul 8 11:21:38 2005 OCC9145 |
| 18 | |
| 19 | #include <stdio.h> |
| 20 | |
| 21 | #include <BRepFill_OffsetWire.ixx> |
| 22 | |
| 23 | #include <BRepAdaptor_Curve.hxx> |
| 24 | #include <BRepAdaptor_Surface.hxx> |
| 25 | |
| 26 | #include <BRepFill_DataMapOfNodeShape.hxx> |
| 27 | #include <BRepFill_DataMapOfShapeSequenceOfPnt.hxx> |
| 28 | #include <BRepFill_DataMapOfShapeSequenceOfReal.hxx> |
| 29 | #include <BRepFill_DataMapOfOrientedShapeListOfShape.hxx> |
| 30 | #include <BRepFill_TrimEdgeTool.hxx> |
| 31 | #include <BRepLib.hxx> |
| 32 | #include <BRepLib_MakeVertex.hxx> |
| 33 | #include <BRepLib_MakeFace.hxx> |
| 34 | #include <BRepLib_MakeWire.hxx> |
| 35 | #include <BRepLib_MakeEdge.hxx> |
| 36 | #include <BRepTools.hxx> |
| 37 | #include <BRep_Builder.hxx> |
| 38 | #include <BRep_Tool.hxx> |
| 39 | #include <BRep_TEdge.hxx> |
| 40 | #include <BRep_CurveRepresentation.hxx> |
| 41 | #include <BRep_GCurve.hxx> |
| 42 | #include <BRepTools_WireExplorer.hxx> |
| 43 | #include <BRepMAT2d_Explorer.hxx> |
| 44 | #include <Geom2dAdaptor_Curve.hxx> |
| 45 | #include <Geom2dAdaptor_HCurve.hxx> |
| 46 | #include <Adaptor3d_OffsetCurve.hxx> |
| 47 | #include <Adaptor3d_Curve.hxx> |
| 48 | #include <Geom_Surface.hxx> |
| 49 | #include <Geom_Plane.hxx> |
| 50 | #include <Geom2d_Curve.hxx> |
| 51 | #include <Geom2d_Circle.hxx> |
| 52 | #include <Geom2d_Line.hxx> |
| 53 | #include <Geom2d_TrimmedCurve.hxx> |
| 54 | #include <Geom2d_OffsetCurve.hxx> |
| 55 | #include <GeomAPI.hxx> |
| 56 | #include <Geom_TrimmedCurve.hxx> |
| 57 | #include <Geom_Circle.hxx> |
| 58 | #include <Geom_OffsetCurve.hxx> |
| 59 | #include <MAT_Arc.hxx> |
| 60 | #include <MAT_Node.hxx> |
| 61 | #include <MAT_Graph.hxx> |
| 62 | #include <MAT2d_CutCurve.hxx> |
| 63 | #include <Precision.hxx> |
| 64 | #include <Standard_NotImplemented.hxx> |
| 65 | #include <TColgp_SequenceOfPnt.hxx> |
| 66 | #include <TColStd_SequenceOfReal.hxx> |
| 67 | #include <TopAbs.hxx> |
| 68 | #include <TopExp.hxx> |
| 69 | #include <TopExp_Explorer.hxx> |
| 70 | #include <TopoDS.hxx> |
| 71 | #include <TopoDS_Wire.hxx> |
| 72 | #include <TopoDS_Compound.hxx> |
| 73 | #include <TopoDS_Iterator.hxx> |
| 74 | #include <TopTools_MapOfShape.hxx> |
| 75 | #include <TopTools_MapIteratorOfMapOfShape.hxx> |
| 76 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
| 77 | #include <TopTools_DataMapOfShapeListOfShape.hxx> |
| 78 | #include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx> |
| 79 | #include <TopTools_DataMapIteratorOfDataMapOfShapeShape.hxx> |
| 80 | #include <TopTools_SequenceOfShape.hxx> |
| 81 | #include <TopTools_ListOfShape.hxx> |
| 82 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> |
| 83 | #include <TopTools_DataMapOfShapeSequenceOfShape.hxx> |
| 84 | |
| 85 | #include <gp.hxx> |
| 86 | #include <gp_Vec.hxx> |
| 87 | #include <gp_Ax2.hxx> |
| 88 | #include <gp_Pln.hxx> |
| 89 | #include <gp_Dir2d.hxx> |
| 90 | |
| 91 | #include <BRep_TVertex.hxx> |
| 92 | #include <TopTools_IndexedMapOfShape.hxx> |
| 93 | #include <Geom2d_BSplineCurve.hxx> |
| 94 | #include <TColgp_Array1OfPnt2d.hxx> |
| 95 | #include <TColStd_Array1OfReal.hxx> |
| 96 | #include <TColStd_Array1OfInteger.hxx> |
| 97 | #include <BRepTools_Substitution.hxx> |
| 98 | #include <BRepLib_MakeVertex.hxx> |
| 99 | #include <Geom2dLProp_CLProps2d.hxx> |
| 100 | #include <Geom2dConvert_CompCurveToBSplineCurve.hxx> |
| 101 | #include <Standard_ErrorHandler.hxx> |
| 102 | |
| 103 | #ifdef DRAW |
| 104 | #include <Draw.hxx> |
| 105 | #include <DrawTrSurf.hxx> |
| 106 | #include <DrawTrSurf_Curve2d.hxx> |
| 107 | #include <DBRep.hxx> |
| 108 | #endif |
| 109 | |
| 110 | #ifdef DEB |
| 111 | static Standard_Boolean AffichGeom = Standard_False; |
| 112 | static Standard_Boolean Affich2d = Standard_False; |
| 113 | static Standard_Boolean AffichEdge = Standard_False; |
| 114 | static Standard_Integer NbTRIMEDGES = 0; |
| 115 | static Standard_Integer NbOFFSET = 0; |
| 116 | static Standard_Integer NbEDGES = 0; |
| 117 | static Standard_Integer NbBISSEC = 0; |
| 118 | #ifndef WNT |
| 119 | static char tname[100]; |
| 120 | static Standard_CString name = tname ; |
| 121 | #endif |
| 122 | #endif |
| 123 | |
| 124 | // Modified by Sergey KHROMOV - Thu Nov 16 17:24:39 2000 Begin |
| 125 | |
| 126 | static void QuasiFleche(const Adaptor3d_Curve& C, |
| 127 | const Standard_Real Deflection2, |
| 128 | const Standard_Real Udeb, |
| 129 | const gp_Pnt& Pdeb, |
| 130 | const gp_Vec& Vdeb, |
| 131 | const Standard_Real Ufin, |
| 132 | const gp_Pnt& Pfin, |
| 133 | const gp_Vec& Vfin, |
| 134 | const Standard_Integer Nbmin, |
| 135 | const Standard_Real Eps, |
| 136 | TColStd_SequenceOfReal& Parameters, |
| 137 | TColgp_SequenceOfPnt& Points); |
| 138 | |
| 139 | static Standard_Boolean PerformCurve (TColStd_SequenceOfReal& Parameters, |
| 140 | TColgp_SequenceOfPnt& Points, |
| 141 | const Adaptor3d_Curve& C, |
| 142 | const Standard_Real Deflection, |
| 143 | const Standard_Real U1, |
| 144 | const Standard_Real U2, |
| 145 | const Standard_Real EPSILON, |
| 146 | const Standard_Integer Nbmin); |
| 147 | |
| 148 | static void CheckBadEdges(const TopoDS_Face& Spine, const Standard_Real Offset, |
| 149 | const BRepMAT2d_BisectingLocus& Locus, |
| 150 | const BRepMAT2d_LinkTopoBilo& Link, |
| 151 | TopTools_ListOfShape& BadEdges); |
| 152 | |
| 153 | static Standard_Integer CutEdge (const TopoDS_Edge& E, |
| 154 | const TopoDS_Face& F, |
| 155 | Standard_Integer ForceCut, |
| 156 | TopTools_ListOfShape& Cuts); |
| 157 | |
| 158 | |
| 159 | static void CutCurve (const Handle(Geom2d_TrimmedCurve)& C, |
| 160 | const Standard_Integer nbParts, |
| 161 | TColGeom2d_SequenceOfCurve& theCurves); |
| 162 | // Modified by Sergey KHROMOV - Thu Nov 16 17:24:47 2000 End |
| 163 | |
| 164 | |
| 165 | static void EdgeVertices (const TopoDS_Edge& E, |
| 166 | TopoDS_Vertex& V1, |
| 167 | TopoDS_Vertex& V2) |
| 168 | { |
| 169 | if (E.Orientation() == TopAbs_REVERSED) { |
| 170 | TopExp::Vertices(E,V2,V1); |
| 171 | } |
| 172 | else { |
| 173 | TopExp::Vertices(E,V1,V2); |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | static void UpdateDetromp (TopTools_ListOfShape& Detromp1, |
| 178 | TopTools_ListOfShape& Detromp2, |
| 179 | const TopTools_SequenceOfShape& Vertices, |
| 180 | const TColgp_SequenceOfPnt& Params, |
| 181 | const Bisector_Bisec& Bisec, |
| 182 | const Standard_Boolean SOnE, |
| 183 | const Standard_Boolean EOnE, |
| 184 | const BRepFill_TrimEdgeTool& Trim); |
| 185 | |
| 186 | static Standard_Boolean VertexFromNode |
| 187 | (const Handle(MAT_Node)& aNode, |
| 188 | const Standard_Real Offset, |
| 189 | gp_Pnt2d& PN, |
| 190 | BRepFill_DataMapOfNodeShape& MapNodeVertex, |
| 191 | TopoDS_Vertex& VN); |
| 192 | |
| 193 | static void StoreInMap (const TopoDS_Shape& V1, |
| 194 | const TopoDS_Shape& V2, |
| 195 | TopTools_IndexedDataMapOfShapeShape& MapVV); |
| 196 | |
| 197 | static void TrimEdge (const TopoDS_Edge& CurrentEdge, |
| 198 | const TopTools_ListOfShape& D, |
| 199 | TopTools_SequenceOfShape& Sv, |
| 200 | TColStd_SequenceOfReal& MapverPar, |
| 201 | TopTools_SequenceOfShape& S, |
| 202 | TopTools_IndexedDataMapOfShapeShape& MapVV); |
| 203 | |
| 204 | static Standard_Boolean DoubleOrNotInside (const TopTools_ListOfShape& EC, |
| 205 | const TopoDS_Vertex& V); |
| 206 | |
| 207 | static Standard_Boolean IsSmallClosedEdge(const TopoDS_Edge& anEdge, |
| 208 | const TopoDS_Vertex& aVertex); |
| 209 | |
| 210 | static void MakeCircle |
| 211 | (const TopoDS_Edge& E, |
| 212 | const TopoDS_Vertex& V, |
| 213 | const TopoDS_Face& F, |
| 214 | const Standard_Real Offset, |
| 215 | BRepFill_IndexedDataMapOfOrientedShapeListOfShape& Map, |
| 216 | const Handle(Geom_Plane)& RefPlane); |
| 217 | |
| 218 | static void MakeOffset |
| 219 | (const TopoDS_Edge& E, |
| 220 | const TopoDS_Face& F, |
| 221 | const Standard_Real Offset, |
| 222 | BRepFill_IndexedDataMapOfOrientedShapeListOfShape& Map, |
| 223 | const Handle(Geom_Plane)& RefPlane); |
| 224 | |
| 225 | |
| 226 | |
| 227 | //======================================================================= |
| 228 | //function : CheckFace |
| 229 | //purpose : Check if face contains an edge with C0 continuity |
| 230 | //======================================================================= |
| 231 | // |
| 232 | static void CheckFace(const TopoDS_Face& theFace) |
| 233 | { |
| 234 | TopExp_Explorer ex(theFace,TopAbs_EDGE); |
| 235 | for(; ex.More(); ex.Next()) |
| 236 | { |
| 237 | TopoDS_Edge anEdge=TopoDS::Edge(ex.Current()); |
| 238 | Standard_Real f,l; |
| 239 | const Handle(Geom2d_Curve) C = BRep_Tool::CurveOnSurface(anEdge,theFace,f,l); |
| 240 | if (C->Continuity() == GeomAbs_C0) |
| 241 | Standard_ConstructionError::Raise("Initial shape contains an edge with C0 continuity"); |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | //======================================================================= |
| 246 | //function : KPartCircle |
| 247 | //purpose : |
| 248 | //======================================================================= |
| 249 | |
| 250 | static Standard_Boolean KPartCircle |
| 251 | (const TopoDS_Face& mySpine, |
| 252 | const Standard_Real myOffset, |
| 253 | const Standard_Real Alt, |
| 254 | TopoDS_Shape& myShape, |
| 255 | BRepFill_IndexedDataMapOfOrientedShapeListOfShape& myMap, |
| 256 | Standard_Boolean& myIsDone) |
| 257 | { |
| 258 | // The only contour which is a closed circle |
| 259 | TopExp_Explorer exp(mySpine,TopAbs_EDGE); |
| 260 | Standard_Integer NbEdges = 0; |
| 261 | TopoDS_Edge E; |
| 262 | |
| 263 | for (; exp.More(); exp.Next()) { |
| 264 | NbEdges++; |
| 265 | E = TopoDS::Edge(exp.Current()); |
| 266 | if (NbEdges > 1) return Standard_False; |
| 267 | } |
| 268 | TopoDS_Vertex V1,V2; |
| 269 | TopExp::Vertices(E,V1,V2); |
| 270 | if (!V1.IsSame(V2)) return Standard_False; |
| 271 | |
| 272 | Standard_Real f,l; |
| 273 | TopLoc_Location L; |
| 274 | Handle(Geom_Curve) C = BRep_Tool::Curve(E,L,f,l); |
| 275 | |
| 276 | if (C->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) { |
| 277 | Handle(Geom_TrimmedCurve) Ct = Handle(Geom_TrimmedCurve)::DownCast(C); |
| 278 | C = Ct->BasisCurve(); |
| 279 | } |
| 280 | |
| 281 | if (!C->IsKind(STANDARD_TYPE(Geom_Circle))) return Standard_False; |
| 282 | Handle(Geom_Circle) CE = Handle(Geom_Circle)::DownCast(C); |
| 283 | Standard_Real anOffset = myOffset; |
| 284 | if (E.Orientation() == TopAbs_REVERSED) anOffset *= -1; |
| 285 | |
| 286 | if (anOffset < 0. || Abs(anOffset) < CE->Radius()) { |
| 287 | Handle(Geom_Circle) OC = new Geom_Circle (CE->Position(),CE->Radius() - anOffset); |
| 288 | myShape = BRepLib_MakeEdge(OC,f,l); |
| 289 | |
| 290 | myShape.Orientation(E.Orientation()); |
| 291 | myShape.Location(L); |
| 292 | if (Alt != 0.) { |
| 293 | BRepAdaptor_Surface S(mySpine,0); |
| 294 | gp_Ax1 Nor = S.Plane().Axis(); |
| 295 | gp_Trsf T; |
| 296 | gp_Vec Trans(Nor.Direction()); |
| 297 | Trans = Alt*Trans; |
| 298 | T.SetTranslation(Trans); |
| 299 | myShape.Move(TopLoc_Location(T)); |
| 300 | } |
| 301 | |
| 302 | TopTools_ListOfShape LL; |
| 303 | LL.Append(myShape); |
| 304 | myMap.Add(E,LL); |
| 305 | } |
| 306 | myIsDone = Standard_True; |
| 307 | return Standard_True; |
| 308 | } |
| 309 | |
| 310 | //======================================================================= |
| 311 | //function : BRepFill_OffsetWire |
| 312 | //purpose : |
| 313 | //======================================================================= |
| 314 | |
| 315 | BRepFill_OffsetWire::BRepFill_OffsetWire() |
| 316 | :myIsDone(Standard_False) |
| 317 | { |
| 318 | } |
| 319 | |
| 320 | |
| 321 | //======================================================================= |
| 322 | //function : BRepFill_OffsetWire |
| 323 | //purpose : |
| 324 | //======================================================================= |
| 325 | |
| 326 | BRepFill_OffsetWire::BRepFill_OffsetWire(const TopoDS_Face& Spine, |
| 327 | const GeomAbs_JoinType Join ) |
| 328 | { |
| 329 | Init(Spine,Join); |
| 330 | } |
| 331 | |
| 332 | //======================================================================= |
| 333 | //function : Init |
| 334 | //purpose : |
| 335 | //======================================================================= |
| 336 | |
| 337 | void BRepFill_OffsetWire::Init(const TopoDS_Face& Spine, |
| 338 | const GeomAbs_JoinType Join ) |
| 339 | { |
| 340 | Standard_NotImplemented_Raise_if(Join > GeomAbs_Arc, |
| 341 | "Only GeomAbs_Arc is implemented"); |
| 342 | |
| 343 | myIsDone = Standard_False; |
| 344 | TopoDS_Shape aLocalShape = Spine.Oriented(TopAbs_FORWARD); |
| 345 | mySpine = TopoDS::Face(aLocalShape); |
| 346 | // mySpine = TopoDS::Face(Spine.Oriented(TopAbs_FORWARD)); |
| 347 | myJoinType = Join; |
| 348 | |
| 349 | CheckFace(mySpine); |
| 350 | |
| 351 | myMap.Clear(); |
| 352 | myMapSpine.Clear(); |
| 353 | //------------------------------------------------------------------ |
| 354 | // cut the spine for bissectors. |
| 355 | //------------------------------------------------------------------ |
| 356 | // Modified by Sergey KHROMOV - Tue Nov 26 17:39:03 2002 Begin |
| 357 | static BRepMAT2d_Explorer Exp; |
| 358 | |
| 359 | Exp.Perform(mySpine); |
| 360 | |
| 361 | // TopoDS_Face anOldSpine = mySpine; |
| 362 | |
| 363 | mySpine = TopoDS::Face(Exp.ModifiedShape(mySpine)); |
| 364 | PrepareSpine (); |
| 365 | |
| 366 | // Modified by Sergey KHROMOV - Tue Nov 26 17:39:03 2002 End |
| 367 | TopoDS_Shape aShape; |
| 368 | BRepFill_IndexedDataMapOfOrientedShapeListOfShape aMap; |
| 369 | Standard_Boolean Done; |
| 370 | if (KPartCircle(myWorkSpine,1.,0.,aShape,aMap,Done)) return; |
| 371 | |
| 372 | |
| 373 | //----------------------------------------------------- |
| 374 | // Calculate the map of bissectors to the left. |
| 375 | // and Links Topology -> base elements of the map. |
| 376 | //----------------------------------------------------- |
| 377 | |
| 378 | // Modified by Sergey KHROMOV - Tue Nov 26 17:39:03 2002 Begin |
| 379 | // static BRepMAT2d_Explorer Exp; |
| 380 | // Modified by Sergey KHROMOV - Tue Nov 26 17:39:03 2002 End |
| 381 | Exp.Perform(myWorkSpine); |
| 382 | myBilo.Compute(Exp,1,MAT_Left); |
| 383 | myLink.Perform(Exp,myBilo); |
| 384 | } |
| 385 | |
| 386 | |
| 387 | //======================================================================= |
| 388 | //function : IsDone |
| 389 | //purpose : |
| 390 | //======================================================================= |
| 391 | |
| 392 | Standard_Boolean BRepFill_OffsetWire::IsDone() const |
| 393 | { |
| 394 | return myIsDone; |
| 395 | } |
| 396 | |
| 397 | |
| 398 | //======================================================================= |
| 399 | //function : Spine |
| 400 | //purpose : |
| 401 | //======================================================================= |
| 402 | |
| 403 | const TopoDS_Face& BRepFill_OffsetWire::Spine() const |
| 404 | { |
| 405 | return mySpine; |
| 406 | } |
| 407 | |
| 408 | |
| 409 | //======================================================================= |
| 410 | //function : Shape |
| 411 | //purpose : |
| 412 | //======================================================================= |
| 413 | |
| 414 | const TopoDS_Shape& BRepFill_OffsetWire::Shape() const |
| 415 | { |
| 416 | return myShape; |
| 417 | } |
| 418 | |
| 419 | |
| 420 | //======================================================================= |
| 421 | //function : GeneratedShapes |
| 422 | //purpose : |
| 423 | //======================================================================= |
| 424 | |
| 425 | const TopTools_ListOfShape& BRepFill_OffsetWire::GeneratedShapes |
| 426 | (const TopoDS_Shape& SpineShape) |
| 427 | { |
| 428 | if (!myCallGen) { |
| 429 | if (!myMapSpine.IsEmpty()) { |
| 430 | // myMapSpine can be empty if passed by PerformWithBilo. |
| 431 | TopTools_DataMapIteratorOfDataMapOfShapeShape it(myMapSpine); |
| 432 | for (; it.More(); it.Next()) { |
| 433 | if (myMap.Contains(it.Key())) { |
| 434 | if (!myMap.Contains(it.Value())) { |
| 435 | TopTools_ListOfShape L; |
| 436 | myMap.Add(it.Value(),L); |
| 437 | } |
| 438 | if ( !it.Value().IsSame(it.Key())) { |
| 439 | myMap.ChangeFromKey(it.Value()).Append(myMap.ChangeFromKey(it.Key())); |
| 440 | //myMap.UnBind(it.Key()); |
| 441 | TopoDS_Shape LastShape = myMap.FindKey(myMap.Extent()); |
| 442 | TopTools_ListOfShape LastList; |
| 443 | LastList.Append(myMap(myMap.Extent())); |
| 444 | myMap.RemoveLast(); |
| 445 | if (myMap.FindIndex(it.Key()) != 0) |
| 446 | myMap.Substitute(myMap.FindIndex(it.Key()), LastShape, LastList); |
| 447 | } |
| 448 | } |
| 449 | if (myMap.Contains(it.Key().Reversed())) { |
| 450 | if (!myMap.Contains(it.Value().Reversed())) { |
| 451 | TopTools_ListOfShape L; |
| 452 | myMap.Add(it.Value().Reversed(),L); |
| 453 | } |
| 454 | if ( !it.Value().IsSame(it.Key())) { |
| 455 | myMap.ChangeFromKey(it.Value().Reversed()).Append(myMap.ChangeFromKey(it.Key().Reversed())); |
| 456 | //myMap.UnBind(it.Key().Reversed()); |
| 457 | TopoDS_Shape LastShape = myMap.FindKey(myMap.Extent()); |
| 458 | TopTools_ListOfShape LastList; |
| 459 | LastList.Append(myMap(myMap.Extent())); |
| 460 | myMap.RemoveLast(); |
| 461 | if (myMap.FindIndex(it.Key().Reversed()) != 0) |
| 462 | myMap.Substitute(myMap.FindIndex(it.Key().Reversed()), LastShape, LastList); |
| 463 | } |
| 464 | } |
| 465 | } |
| 466 | } |
| 467 | myCallGen = Standard_True; |
| 468 | } |
| 469 | |
| 470 | if (myMap.Contains(SpineShape)) { |
| 471 | return myMap.FindFromKey(SpineShape); |
| 472 | } |
| 473 | else { |
| 474 | static TopTools_ListOfShape Empty; |
| 475 | return Empty; |
| 476 | } |
| 477 | } |
| 478 | |
| 479 | |
| 480 | //======================================================================= |
| 481 | //function : JoinType |
| 482 | //purpose : |
| 483 | //======================================================================= |
| 484 | |
| 485 | GeomAbs_JoinType BRepFill_OffsetWire::JoinType() const |
| 486 | { |
| 487 | return myJoinType; |
| 488 | } |
| 489 | |
| 490 | //======================================================================= |
| 491 | //function : Perform |
| 492 | //purpose : |
| 493 | //======================================================================= |
| 494 | |
| 495 | void BRepFill_OffsetWire::Perform (const Standard_Real Offset, |
| 496 | const Standard_Real Alt) |
| 497 | { |
| 498 | // Modified by skv - Fri Jul 8 11:21:38 2005 OCC9145 Begin |
| 499 | try |
| 500 | { |
| 501 | OCC_CATCH_SIGNALS |
| 502 | myCallGen = Standard_False; |
| 503 | if (KPartCircle(mySpine,Offset,Alt,myShape,myMap,myIsDone)) return; |
| 504 | |
| 505 | TopoDS_Face oldWorkSpain = myWorkSpine; |
| 506 | |
| 507 | TopTools_ListOfShape BadEdges; |
| 508 | CheckBadEdges(myWorkSpine,Offset,myBilo,myLink,BadEdges); |
| 509 | |
| 510 | if(!BadEdges.IsEmpty()) |
| 511 | { |
| 512 | // Modification of myWorkSpine; |
| 513 | //cout << "Modification of myWorkSpine : " << BadEdges.Extent() << endl; |
| 514 | BRepTools_Substitution aSubst; |
| 515 | TopTools_ListIteratorOfListOfShape it(BadEdges); |
| 516 | TopTools_ListOfShape aL; |
| 517 | Standard_Real aDefl = .01 * Abs(Offset); |
| 518 | TColStd_SequenceOfReal Parameters; |
| 519 | TColgp_SequenceOfPnt Points; |
| 520 | |
| 521 | for(; it.More(); it.Next()) { |
| 522 | aL.Clear(); |
| 523 | Parameters.Clear(); |
| 524 | Points.Clear(); |
| 525 | const TopoDS_Shape& anE = it.Value(); |
| 526 | |
| 527 | TopoDS_Vertex Vf, Vl; |
| 528 | TopExp::Vertices(TopoDS::Edge(anE), Vf, Vl); |
| 529 | |
| 530 | Standard_Real f, l; |
| 531 | Handle(Geom_Curve) G3d = BRep_Tool::Curve(TopoDS::Edge(anE),f,l); |
| 532 | GeomAdaptor_Curve AC(G3d,f,l); |
| 533 | |
| 534 | PerformCurve(Parameters, Points, AC, aDefl, f, |
| 535 | l, Precision::Confusion(), 2); |
| 536 | |
| 537 | Standard_Integer NPnts = Points.Length(); |
| 538 | if(NPnts > 2) |
| 539 | { |
| 540 | //cout << NPnts << " points " << endl; |
| 541 | TopoDS_Vertex FV = Vf; |
| 542 | TopoDS_Vertex LV; |
| 543 | TopoDS_Edge newE; |
| 544 | Standard_Integer np; |
| 545 | for(np = 2; np < NPnts; np++) { |
| 546 | gp_Pnt LP = Points(np); |
| 547 | LV = BRepLib_MakeVertex(LP); |
| 548 | newE = BRepLib_MakeEdge(FV, LV); |
| 549 | aL.Append(newE); |
| 550 | FV = LV; |
| 551 | } |
| 552 | LV = Vl; |
| 553 | newE = BRepLib_MakeEdge(FV, LV); |
| 554 | aL.Append(newE); |
| 555 | } |
| 556 | else |
| 557 | { |
| 558 | //cout << " 2 points " << endl; |
| 559 | TopoDS_Edge newE = BRepLib_MakeEdge(Vf, Vl); |
| 560 | aL.Append(newE); |
| 561 | } |
| 562 | //Update myMapSpine |
| 563 | if (myMapSpine.IsBound( anE )) |
| 564 | { |
| 565 | TopTools_ListIteratorOfListOfShape newit( aL ); |
| 566 | for (; newit.More(); newit.Next()) |
| 567 | { |
| 568 | TopoDS_Edge NewEdge = TopoDS::Edge( newit.Value() ); |
| 569 | myMapSpine.Bind( NewEdge, myMapSpine(anE) ); |
| 570 | TopoDS_Vertex NewV1, NewV2; |
| 571 | EdgeVertices( NewEdge, NewV1, NewV2 ); |
| 572 | if (!myMapSpine.IsBound(NewV1)) myMapSpine.Bind( NewV1, myMapSpine(anE) ); |
| 573 | if (!myMapSpine.IsBound(NewV2)) myMapSpine.Bind( NewV2, myMapSpine(anE) ); |
| 574 | } |
| 575 | myMapSpine.UnBind( anE ); |
| 576 | } |
| 577 | /////////////////// |
| 578 | aSubst.Substitute(anE, aL); |
| 579 | } |
| 580 | |
| 581 | TopTools_DataMapOfShapeListOfShape wwmap; |
| 582 | TopoDS_Iterator itws( myWorkSpine ); |
| 583 | for (; itws.More(); itws.Next()) |
| 584 | { |
| 585 | TopoDS_Shape aWire = itws.Value(); |
| 586 | aSubst.Build( aWire ); |
| 587 | if (aSubst.IsCopied(aWire)) |
| 588 | { |
| 589 | TopoDS_Wire NewWire = TopoDS::Wire( aSubst.Copy(aWire).First() ); |
| 590 | NewWire.Closed( aWire.Closed() ); |
| 591 | TopTools_ListOfShape Lw; |
| 592 | Lw.Append( NewWire ); |
| 593 | wwmap.Bind( aWire, Lw ); |
| 594 | } |
| 595 | } |
| 596 | aSubst.Clear(); |
| 597 | TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itmap( wwmap ); |
| 598 | for (; itmap.More(); itmap.Next()) |
| 599 | aSubst.Substitute( itmap.Key(), itmap.Value() ); |
| 600 | |
| 601 | aSubst.Build(myWorkSpine); |
| 602 | |
| 603 | if(aSubst.IsCopied(myWorkSpine)) { |
| 604 | myWorkSpine = TopoDS::Face(aSubst.Copy(myWorkSpine).First()); |
| 605 | //sprintf(name,"WS1"); |
| 606 | //DBRep::Set(name,myWorkSpine); |
| 607 | |
| 608 | BRepMAT2d_Explorer newExp; |
| 609 | newExp.Perform(myWorkSpine); |
| 610 | BRepMAT2d_BisectingLocus newBilo; |
| 611 | BRepMAT2d_LinkTopoBilo newLink; |
| 612 | newBilo.Compute(newExp,1,MAT_Left); |
| 613 | |
| 614 | if(!newBilo.IsDone()) |
| 615 | { |
| 616 | myShape.Nullify(); |
| 617 | myIsDone = Standard_False; |
| 618 | return; |
| 619 | } |
| 620 | |
| 621 | newLink.Perform(newExp,newBilo); |
| 622 | PerformWithBiLo(myWorkSpine,Offset,newBilo,newLink,myJoinType,Alt); |
| 623 | myWorkSpine = oldWorkSpain; |
| 624 | } |
| 625 | else { |
| 626 | PerformWithBiLo(myWorkSpine,Offset,myBilo,myLink,myJoinType,Alt); |
| 627 | } |
| 628 | } |
| 629 | else |
| 630 | { |
| 631 | PerformWithBiLo(myWorkSpine,Offset,myBilo,myLink,myJoinType,Alt); |
| 632 | } |
| 633 | } |
| 634 | catch (...)//Every exception was caught. |
| 635 | { |
| 636 | myShape.Nullify(); |
| 637 | myIsDone = Standard_False; |
| 638 | cout<<"An exception was caught in BRepFill_OffsetWire::Perform : "; |
| 639 | Standard_Failure::Caught()->Print(cout); |
| 640 | cout<<endl; |
| 641 | |
| 642 | return; |
| 643 | } |
| 644 | |
| 645 | // Modified by skv - Fri Jul 8 11:21:38 2005 OCC9145 End |
| 646 | // Modified by Sergey KHROMOV - Thu Mar 14 10:48:15 2002 Begin |
| 647 | TopExp_Explorer anExp(myShape, TopAbs_WIRE); |
| 648 | |
| 649 | for (; anExp.More(); anExp.Next()) { |
| 650 | const TopoDS_Shape &aWire = anExp.Current(); |
| 651 | |
| 652 | if (!aWire.Closed()) { |
| 653 | myShape.Nullify(); |
| 654 | myIsDone = Standard_False; |
| 655 | Standard_ConstructionError::Raise("Offset wire is not closed."); |
| 656 | } |
| 657 | } |
| 658 | // Modified by Sergey KHROMOV - Thu Mar 14 10:48:16 2002 End |
| 659 | } |
| 660 | |
| 661 | //======================================================================= |
| 662 | //function : Compute |
| 663 | //purpose : |
| 664 | //======================================================================= |
| 665 | |
| 666 | void Compute (const TopoDS_Face& Spine, |
| 667 | TopoDS_Shape& aShape, |
| 668 | BRepFill_IndexedDataMapOfOrientedShapeListOfShape& Map, |
| 669 | const Standard_Real Alt) |
| 670 | { |
| 671 | BRep_Builder B; |
| 672 | B.MakeCompound(TopoDS::Compound(aShape)); |
| 673 | Standard_Real ALT = Alt; |
| 674 | if ( Spine.Orientation() == TopAbs_REVERSED) ALT = -Alt; |
| 675 | gp_Trsf T; |
| 676 | T.SetTranslation(gp_Vec(0.,0.,ALT)); |
| 677 | TopLoc_Location L(T); |
| 678 | |
| 679 | for ( TopExp_Explorer exp(Spine,TopAbs_WIRE); exp.More(); exp.Next()) { |
| 680 | const TopoDS_Wire& CurW = TopoDS::Wire(exp.Current()); |
| 681 | TopoDS_Shape aLocalShape = CurW.Moved(L); |
| 682 | TopoDS_Wire NewW = TopoDS::Wire(aLocalShape); |
| 683 | // TopoDS_Wire NewW = TopoDS::Wire(CurW.Moved(L)); |
| 684 | B.Add(aShape,NewW); |
| 685 | // update Map. |
| 686 | TopoDS_Iterator it1( CurW); |
| 687 | TopoDS_Iterator it2( NewW); |
| 688 | for ( ; it1.More(); it1.Next(), it2.Next()) { |
| 689 | TopTools_ListOfShape List; |
| 690 | List.Append(it2.Value()); |
| 691 | Map.Add(it1.Value(), List); |
| 692 | } |
| 693 | } |
| 694 | } |
| 695 | |
| 696 | //======================================================================= |
| 697 | //function : PerformWithBiLo |
| 698 | //purpose : |
| 699 | //======================================================================= |
| 700 | |
| 701 | void BRepFill_OffsetWire::PerformWithBiLo |
| 702 | (const TopoDS_Face& Spine, |
| 703 | const Standard_Real Offset, |
| 704 | const BRepMAT2d_BisectingLocus& Locus, |
| 705 | BRepMAT2d_LinkTopoBilo& Link, |
| 706 | const GeomAbs_JoinType Join, |
| 707 | const Standard_Real Alt) |
| 708 | { |
| 709 | Standard_NotImplemented_Raise_if (Join > GeomAbs_Arc, |
| 710 | "Only GeomAbs_Arc is implemented"); |
| 711 | |
| 712 | myIsDone = Standard_False; |
| 713 | TopoDS_Shape aLocalShape = Spine.Oriented(TopAbs_FORWARD); |
| 714 | myWorkSpine = TopoDS::Face(aLocalShape); |
| 715 | // myWorkSpine = TopoDS::Face(Spine.Oriented(TopAbs_FORWARD)); |
| 716 | myJoinType = Join; |
| 717 | myOffset = Offset ; |
| 718 | myShape.Nullify(); |
| 719 | |
| 720 | |
| 721 | if (mySpine.IsNull()) { |
| 722 | TopoDS_Shape aLocalShape = Spine.Oriented(TopAbs_FORWARD); |
| 723 | mySpine = TopoDS::Face(aLocalShape); |
| 724 | // mySpine = TopoDS::Face(Spine.Oriented(TopAbs_FORWARD)); |
| 725 | } |
| 726 | myMap.Clear(); |
| 727 | |
| 728 | if ( Abs(myOffset) < Precision::Confusion()) { |
| 729 | Compute(mySpine,myShape,myMap,Alt); |
| 730 | myIsDone = Standard_True; |
| 731 | return; |
| 732 | } |
| 733 | |
| 734 | //******************************** |
| 735 | // Calculate for a non null offset |
| 736 | //******************************** |
| 737 | if (KPartCircle(mySpine,Offset,Alt,myShape,myMap,myIsDone)) |
| 738 | return; |
| 739 | |
| 740 | BRep_Builder myBuilder; |
| 741 | myBuilder.MakeCompound(TopoDS::Compound(myShape)); |
| 742 | |
| 743 | //--------------------------------------------------------------------- |
| 744 | // MapNodeVertex : associate to each node of the map (key1) and to |
| 745 | // each element of the profile (key2) a vertex (item). |
| 746 | // MapBis : all edges or vertices (item) generated by |
| 747 | // a bisectrice on a face or an edge (key) of revolution tubes. |
| 748 | // MapVerPar : Map of parameters of vertices on parallel edges |
| 749 | // the list contained in MapVerPar (E) corresponds to |
| 750 | // parameters on E of vertices contained in MapBis(E); |
| 751 | //--------------------------------------------------------------------- |
| 752 | |
| 753 | |
| 754 | BRepFill_DataMapOfNodeShape MapNodeVertex; |
| 755 | TopTools_DataMapOfShapeSequenceOfShape MapBis; |
| 756 | BRepFill_DataMapOfShapeSequenceOfReal MapVerPar; |
| 757 | |
| 758 | TopTools_DataMapOfShapeShape EmptyMap; |
| 759 | TopTools_SequenceOfShape EmptySeq; |
| 760 | TopTools_ListOfShape EmptyList; |
| 761 | TColStd_SequenceOfReal EmptySeqOfReal; |
| 762 | |
| 763 | Standard_Real ALT = Alt; |
| 764 | Handle(Geom_Plane) RefPlane = |
| 765 | Handle(Geom_Plane)::DownCast(BRep_Tool::Surface(myWorkSpine)); |
| 766 | if ( myWorkSpine.Orientation() == TopAbs_REVERSED) ALT = -Alt; |
| 767 | RefPlane = Handle(Geom_Plane)::DownCast |
| 768 | (RefPlane->Translated( ALT * gp_Vec(RefPlane->Axis().Direction() ))); |
| 769 | |
| 770 | //--------------------------------------------------------------- |
| 771 | // Construction of Circles and OffsetCurves |
| 772 | //--------------------------------------------------------------- |
| 773 | |
| 774 | for (Standard_Integer ic = 1; ic <= Locus.NumberOfContours(); ic++) { |
| 775 | TopoDS_Shape PEE = Link.GeneratingShape(Locus.BasicElt(ic,Locus.NumberOfElts(ic))); |
| 776 | TopoDS_Shape& PE = PEE ; |
| 777 | for (Standard_Integer ie = 1; ie <= Locus.NumberOfElts(ic); ie++) { |
| 778 | const TopoDS_Shape& SE = Link.GeneratingShape(Locus.BasicElt(ic,ie)); |
| 779 | if (SE.ShapeType() == TopAbs_VERTEX) { |
| 780 | MakeCircle (TopoDS::Edge(PE),TopoDS::Vertex(SE), |
| 781 | myWorkSpine,myOffset,myMap,RefPlane); |
| 782 | } |
| 783 | else { |
| 784 | MakeOffset (TopoDS::Edge(SE),myWorkSpine,myOffset,myMap,RefPlane); |
| 785 | PE = SE; |
| 786 | } |
| 787 | } |
| 788 | } |
| 789 | |
| 790 | |
| 791 | #ifdef DEB |
| 792 | if (AffichEdge) { |
| 793 | cout << " End Construction of geometric primitives "<<endl; |
| 794 | } |
| 795 | #endif |
| 796 | |
| 797 | |
| 798 | //--------------------------------------------------- |
| 799 | // Construction of offset vertices. |
| 800 | //--------------------------------------------------- |
| 801 | BRepFill_DataMapOfOrientedShapeListOfShape Detromp; |
| 802 | Handle(MAT_Arc) CurrentArc; |
| 803 | Handle(Geom2d_Curve) Bis, PCurve1, PCurve2 ; |
| 804 | Handle(Geom_Curve) CBis; |
| 805 | Standard_Boolean Reverse; |
| 806 | TopoDS_Edge CurrentEdge; |
| 807 | TopoDS_Shape S [2]; |
| 808 | TopoDS_Edge E [2]; |
| 809 | TopLoc_Location L; |
| 810 | Standard_Integer j, k; |
| 811 | |
| 812 | for (Standard_Integer i = 1; i <= Locus.Graph()->NumberOfArcs(); i++) { |
| 813 | |
| 814 | CurrentArc = Locus.Graph()->Arc(i); |
| 815 | Bisector_Bisec Bisec = Locus.GeomBis(CurrentArc,Reverse); |
| 816 | |
| 817 | #ifdef DRAW |
| 818 | if ( AffichGeom) { |
| 819 | sprintf(name,"BISSEC_%d",NbBISSEC++); |
| 820 | DrawTrSurf::Set(name,Bisec.Value()); |
| 821 | } |
| 822 | #endif |
| 823 | |
| 824 | //------------------------------------------------------------------- |
| 825 | // Return elements of the spine corresponding to separate basicElts. |
| 826 | //------------------------------------------------------------------- |
| 827 | S [0] = Link.GeneratingShape(CurrentArc->FirstElement()); |
| 828 | S [1] = Link.GeneratingShape(CurrentArc->SecondElement()); |
| 829 | |
| 830 | TopTools_SequenceOfShape Vertices; |
| 831 | TColgp_SequenceOfPnt Params; |
| 832 | |
| 833 | TopTools_DataMapOfShapeSequenceOfShape MapSeqVer; |
| 834 | BRepFill_DataMapOfShapeSequenceOfPnt MapSeqPar; |
| 835 | |
| 836 | //----------------------------------------------------------- |
| 837 | // Return parallel edges on each face. |
| 838 | // If no offset generated => move to the next bissectrice. |
| 839 | //-------------------------------------------------------------- |
| 840 | if (myMap.Contains(S[0]) && myMap.Contains(S[1])) { |
| 841 | E [0] = TopoDS::Edge(myMap.FindFromKey(S[0]).First()); |
| 842 | E [1] = TopoDS::Edge(myMap.FindFromKey(S[1]).First()); |
| 843 | } |
| 844 | else continue; |
| 845 | |
| 846 | //----------------------------------------------------------- |
| 847 | // Construction of vertices corresponding to the node of the map. |
| 848 | // if they are on the offset. |
| 849 | //----------------------------------------------------------- |
| 850 | TopoDS_Vertex VS,VE; |
| 851 | Handle(MAT_Node) Node1, Node2; |
| 852 | |
| 853 | if (Reverse) { |
| 854 | Node1 = CurrentArc->SecondNode(); |
| 855 | Node2 = CurrentArc->FirstNode(); |
| 856 | } |
| 857 | else { |
| 858 | Node1 = CurrentArc->FirstNode(); |
| 859 | Node2 = CurrentArc->SecondNode(); |
| 860 | } |
| 861 | |
| 862 | Standard_Boolean StartOnEdge = 0, EndOnEdge = 0; |
| 863 | |
| 864 | if (!Node1->Infinite()) { |
| 865 | gp_Pnt2d aLocalPnt2d = Locus.GeomElt(Node1); |
| 866 | StartOnEdge = VertexFromNode(Node1, myOffset, aLocalPnt2d ,MapNodeVertex,VS); |
| 867 | // StartOnEdge = VertexFromNode(Node1, myOffset, Locus.GeomElt(Node1), |
| 868 | // MapNodeVertex,VS); |
| 869 | } |
| 870 | if (!Node2->Infinite()) { |
| 871 | gp_Pnt2d aLocalPnt2d = Locus.GeomElt(Node2) ; |
| 872 | EndOnEdge = VertexFromNode(Node2, myOffset, aLocalPnt2d ,MapNodeVertex,VE); |
| 873 | // EndOnEdge = VertexFromNode(Node2, myOffset, Locus.GeomElt(Node2), |
| 874 | // MapNodeVertex,VE); |
| 875 | } |
| 876 | |
| 877 | //--------------------------------------------- |
| 878 | // Construction of geometries. |
| 879 | //--------------------------------------------- |
| 880 | BRepFill_TrimEdgeTool Trim (Bisec, |
| 881 | Locus.GeomElt(CurrentArc->FirstElement()), |
| 882 | Locus.GeomElt(CurrentArc->SecondElement()), |
| 883 | myOffset); |
| 884 | |
| 885 | //----------------------------------------------------------- |
| 886 | // Construction of vertices on edges parallel to the spine. |
| 887 | //----------------------------------------------------------- |
| 888 | |
| 889 | Trim.IntersectWith(E [0], E [1], Params); |
| 890 | |
| 891 | for (Standard_Integer s = 1; s <= Params.Length(); s++) { |
| 892 | TopoDS_Vertex VC; |
| 893 | myBuilder.MakeVertex (VC); |
| 894 | gp_Pnt2d P2 = Bisec.Value()->Value(Params.Value(s).X()); |
| 895 | gp_Pnt PVC(P2.X(),P2.Y(),0.); |
| 896 | |
| 897 | myBuilder.UpdateVertex(VC,PVC,Precision::Confusion()); |
| 898 | Vertices.Append(VC); |
| 899 | } |
| 900 | if (StartOnEdge) { |
| 901 | Standard_Boolean Start = 1; |
| 902 | Trim.AddOrConfuse(Start, E[0], E[1], Params); |
| 903 | if (Params.Length() == Vertices.Length()) |
| 904 | Vertices.SetValue(1,VS); |
| 905 | |
| 906 | else |
| 907 | // the point was not found by IntersectWith |
| 908 | Vertices.Prepend(VS); |
| 909 | } |
| 910 | if (EndOnEdge) { |
| 911 | Standard_Boolean Start = 0; |
| 912 | Trim.AddOrConfuse(Start, E[0], E[1], Params); |
| 913 | if (Params.Length() == Vertices.Length()) |
| 914 | Vertices.SetValue(Params.Length(),VE); |
| 915 | |
| 916 | else |
| 917 | // the point was not found by IntersectWith |
| 918 | Vertices.Append(VE); |
| 919 | } |
| 920 | |
| 921 | //------------------------------------------------------------ |
| 922 | // Update Detromp. |
| 923 | // Detromp allows to remove vertices on the offset |
| 924 | // corresponding to tangency zones |
| 925 | // Detromp ranks the vertices that limit |
| 926 | // the parts of the bissectrices located between the spine and the |
| 927 | // offset. |
| 928 | //------------------------------------------------------------ |
| 929 | if (!Detromp.IsBound(S[0])) Detromp.Bind(S[0],EmptyList); |
| 930 | if (!Detromp.IsBound(S[1])) Detromp.Bind(S[1],EmptyList); |
| 931 | |
| 932 | |
| 933 | UpdateDetromp (Detromp(S[0]), Detromp(S[1]), Vertices, Params, |
| 934 | Bisec, StartOnEdge, EndOnEdge, Trim); |
| 935 | //---------------------------------------------- |
| 936 | // Storage of vertices on parallel edges. |
| 937 | // fill MapBis and MapVerPar. |
| 938 | //---------------------------------------------- |
| 939 | if (!Vertices.IsEmpty()) { |
| 940 | for (k = 0; k <= 1; k++) { |
| 941 | if (!MapBis.IsBound(E[k])) { |
| 942 | MapBis .Bind(E[k],EmptySeq); |
| 943 | MapVerPar.Bind(E[k],EmptySeqOfReal); |
| 944 | } |
| 945 | for (Standard_Integer ii = 1; ii <= Vertices.Length(); ii++) { |
| 946 | MapBis (E[k]).Append(Vertices.Value(ii)); |
| 947 | if (k == 0) MapVerPar (E[k]).Append(Params.Value(ii).Y()); |
| 948 | else MapVerPar (E[k]).Append(Params.Value(ii).Z()); |
| 949 | } |
| 950 | } |
| 951 | } |
| 952 | else { |
| 953 | //------------------------------------------------------------ |
| 954 | // FOR COMPLETE CIRCLES. the parallel line can be contained |
| 955 | // in the zone without intersection with the border |
| 956 | // no intersection |
| 957 | // if myoffset is < distance of nodes the parallel can be valid. |
| 958 | //------------------------------------------------------------- |
| 959 | for (k = 0; k <= 1; k++) { |
| 960 | if (!MapBis.IsBound(E[k])) { |
| 961 | if (Node1->Distance() > myOffset && Node2->Distance() > myOffset) { |
| 962 | MapBis .Bind(E[k],EmptySeq); |
| 963 | MapVerPar.Bind(E[k],EmptySeqOfReal); |
| 964 | } |
| 965 | } |
| 966 | } |
| 967 | } |
| 968 | } |
| 969 | |
| 970 | #ifdef DEB |
| 971 | if (AffichEdge) { |
| 972 | cout << " End Construction of vertices on offsets"<<endl; |
| 973 | } |
| 974 | #endif |
| 975 | |
| 976 | //---------------------------------- |
| 977 | // Construction of parallel edges. |
| 978 | //---------------------------------- |
| 979 | TopTools_IndexedDataMapOfShapeShape MapVV; |
| 980 | |
| 981 | TopoDS_Shape CurrentSpine; |
| 982 | |
| 983 | //BRepFill_DataMapIteratorOfDataMapOfOrientedShapeListOfShape ite1; |
| 984 | |
| 985 | for (j = 1; j <= myMap.Extent(); j++) { |
| 986 | CurrentSpine = myMap.FindKey(j); |
| 987 | CurrentEdge = TopoDS::Edge(myMap(j).First()); |
| 988 | |
| 989 | myMap(j).Clear(); |
| 990 | if (MapBis.IsBound(CurrentEdge)) { |
| 991 | TopTools_SequenceOfShape S; |
| 992 | if (!MapBis(CurrentEdge).IsEmpty()) { |
| 993 | TrimEdge (CurrentEdge, |
| 994 | Detromp (CurrentSpine), |
| 995 | MapBis (CurrentEdge) , |
| 996 | MapVerPar(CurrentEdge) , |
| 997 | S, MapVV); |
| 998 | for ( k = 1; k <= S.Length(); k++) { |
| 999 | myMap(j).Append(S.Value(k)); |
| 1000 | } |
| 1001 | } |
| 1002 | else { |
| 1003 | //----------------- |
| 1004 | // Complete circles |
| 1005 | //----------------- |
| 1006 | myMap(j).Append(CurrentEdge); |
| 1007 | } |
| 1008 | } |
| 1009 | } |
| 1010 | |
| 1011 | Standard_Integer ind; |
| 1012 | for (ind = 1; ind <= MapVV.Extent(); ind++) |
| 1013 | { |
| 1014 | TopoDS_Vertex OldV = TopoDS::Vertex(MapVV.FindKey(ind)); |
| 1015 | TopoDS_Vertex NewV = TopoDS::Vertex(MapVV(ind)); |
| 1016 | gp_Pnt P1 = BRep_Tool::Pnt(OldV); |
| 1017 | gp_Pnt P2 = BRep_Tool::Pnt(NewV); |
| 1018 | myBuilder.UpdateVertex(NewV, P1.Distance(P2)); |
| 1019 | TopTools_ListOfShape LV; |
| 1020 | LV.Append( NewV.Oriented(TopAbs_FORWARD) ); |
| 1021 | BRepTools_Substitution aSubst; |
| 1022 | aSubst.Substitute( OldV, LV ); |
| 1023 | for (j = 1; j <= myMap.Extent(); j++) |
| 1024 | { |
| 1025 | TopTools_ListIteratorOfListOfShape itl(myMap(j)); |
| 1026 | for (; itl.More(); itl.Next()) |
| 1027 | { |
| 1028 | aSubst.Build(itl.Value()); |
| 1029 | if (aSubst.IsCopied(itl.Value())) |
| 1030 | { |
| 1031 | const TopTools_ListOfShape& listSh = aSubst.Copy(itl.Value()); |
| 1032 | TopAbs_Orientation SaveOr = itl.Value().Orientation(); |
| 1033 | itl.Value() = listSh.First(); |
| 1034 | itl.Value().Orientation(SaveOr); |
| 1035 | } |
| 1036 | } |
| 1037 | } |
| 1038 | } |
| 1039 | |
| 1040 | //---------------------------------- |
| 1041 | // Construction of offset wires. |
| 1042 | //---------------------------------- |
| 1043 | MakeWires (); |
| 1044 | |
| 1045 | // Update vertices ( Constructed in the plane Z = 0) !!! |
| 1046 | TopTools_MapOfShape MapVertex; |
| 1047 | for ( TopExp_Explorer exp(myShape,TopAbs_VERTEX); exp.More(); exp.Next()) { |
| 1048 | TopoDS_Vertex V = TopoDS::Vertex(exp.Current()); |
| 1049 | if ( MapVertex.Add(V)) { |
| 1050 | gp_Pnt P = BRep_Tool::Pnt(V); |
| 1051 | P = RefPlane->Value(P.X(),P.Y()); |
| 1052 | myBuilder.UpdateVertex(V,P, Precision::Confusion()); |
| 1053 | } |
| 1054 | } |
| 1055 | |
| 1056 | // Construction of curves 3d. |
| 1057 | BRepLib::BuildCurves3d(myShape); |
| 1058 | MapVertex.Clear(); |
| 1059 | TopExp_Explorer Explo( myShape, TopAbs_EDGE ); |
| 1060 | for (; Explo.More(); Explo.Next()) |
| 1061 | { |
| 1062 | TopoDS_Edge E = TopoDS::Edge( Explo.Current() ); |
| 1063 | TopoDS_Vertex V1, V2; |
| 1064 | TopExp::Vertices( E, V1, V2 ); |
| 1065 | Handle(BRep_TVertex)& TV1 = *((Handle(BRep_TVertex)*) &(V1).TShape()); |
| 1066 | Handle(BRep_TVertex)& TV2 = *((Handle(BRep_TVertex)*) &(V2).TShape()); |
| 1067 | |
| 1068 | TopLoc_Location loc; |
| 1069 | Standard_Real f, l; |
| 1070 | Handle( Geom_Curve ) theCurve = BRep_Tool::Curve( E, loc, f, l ); |
| 1071 | theCurve = Handle( Geom_Curve )::DownCast( theCurve->Copy() ); |
| 1072 | theCurve->Transform( loc.Transformation() ); |
| 1073 | gp_Pnt f3d = theCurve->Value( f ); |
| 1074 | gp_Pnt l3d = theCurve->Value( l ); |
| 1075 | |
| 1076 | Standard_Real dist1, dist2; |
| 1077 | dist1 = f3d.Distance( TV1->Pnt() ); |
| 1078 | dist2 = l3d.Distance( TV2->Pnt() ); |
| 1079 | if (! MapVertex.Contains( V1 )) |
| 1080 | { |
| 1081 | TV1->Pnt( f3d ); |
| 1082 | MapVertex.Add( V1 ); |
| 1083 | } |
| 1084 | else |
| 1085 | TV1->UpdateTolerance( 1.5*dist1 ); |
| 1086 | if (! MapVertex.Contains( V2 )) |
| 1087 | { |
| 1088 | TV2->Pnt( l3d ); |
| 1089 | MapVertex.Add( V2 ); |
| 1090 | } |
| 1091 | else |
| 1092 | TV2->UpdateTolerance( 1.5*dist2 ); |
| 1093 | } |
| 1094 | |
| 1095 | FixHoles(); |
| 1096 | |
| 1097 | myIsDone = Standard_True; |
| 1098 | } |
| 1099 | |
| 1100 | |
| 1101 | //======================================================================= |
| 1102 | //function : Generated |
| 1103 | //purpose : |
| 1104 | //======================================================================= |
| 1105 | |
| 1106 | BRepFill_IndexedDataMapOfOrientedShapeListOfShape& |
| 1107 | BRepFill_OffsetWire::Generated() |
| 1108 | { |
| 1109 | return myMap; |
| 1110 | } |
| 1111 | |
| 1112 | |
| 1113 | //======================================================================= |
| 1114 | //function : PrepareSpine |
| 1115 | //purpose : |
| 1116 | //======================================================================= |
| 1117 | |
| 1118 | void BRepFill_OffsetWire::PrepareSpine() |
| 1119 | { |
| 1120 | BRep_Builder B; |
| 1121 | TopTools_ListOfShape Cuts; |
| 1122 | TopTools_ListIteratorOfListOfShape IteCuts; |
| 1123 | TopoDS_Vertex V1,V2; |
| 1124 | |
| 1125 | myWorkSpine.Nullify(); |
| 1126 | myMapSpine.Clear(); |
| 1127 | |
| 1128 | TopLoc_Location L; |
| 1129 | const Handle(Geom_Surface)& S = BRep_Tool::Surface (mySpine,L); |
| 1130 | Standard_Real TolF = BRep_Tool::Tolerance(mySpine); |
| 1131 | B.MakeFace(myWorkSpine,S,L,TolF); |
| 1132 | |
| 1133 | for (TopoDS_Iterator IteF(mySpine) ; IteF.More(); IteF.Next()) { |
| 1134 | |
| 1135 | TopoDS_Wire NW; |
| 1136 | B.MakeWire (NW); |
| 1137 | |
| 1138 | // Modified by Sergey KHROMOV - Thu Nov 16 17:29:55 2000 Begin |
| 1139 | Standard_Integer ForcedCut = 0; |
| 1140 | Standard_Integer nbResEdges = -1; |
| 1141 | TopTools_IndexedMapOfShape EdgeMap; |
| 1142 | |
| 1143 | TopExp::MapShapes(IteF.Value(), TopAbs_EDGE, EdgeMap); |
| 1144 | Standard_Integer nbEdges = EdgeMap.Extent(); |
| 1145 | |
| 1146 | if (nbEdges == 1) |
| 1147 | ForcedCut = 2; |
| 1148 | // Modified by Sergey KHROMOV - Thu Nov 16 17:29:48 2000 End |
| 1149 | |
| 1150 | for (TopoDS_Iterator IteW(IteF.Value()); IteW.More(); IteW.Next()) { |
| 1151 | |
| 1152 | const TopoDS_Edge& E = TopoDS::Edge(IteW.Value()); |
| 1153 | EdgeVertices(E,V1,V2); |
| 1154 | myMapSpine.Bind(V1,V1); |
| 1155 | myMapSpine.Bind(V2,V2); |
| 1156 | Cuts.Clear(); |
| 1157 | |
| 1158 | // Cut |
| 1159 | TopoDS_Shape aLocalShape = E.Oriented(TopAbs_FORWARD); |
| 1160 | // Modified by Sergey KHROMOV - Thu Nov 16 17:29:29 2000 Begin |
| 1161 | if (nbEdges == 2 && nbResEdges == 0) |
| 1162 | ForcedCut = 1; |
| 1163 | // Modified by Sergey KHROMOV - Thu Nov 16 17:29:33 2000 End |
| 1164 | nbResEdges = CutEdge (TopoDS::Edge(aLocalShape), mySpine, ForcedCut, Cuts); |
| 1165 | |
| 1166 | if (Cuts.IsEmpty()) { |
| 1167 | B.Add(NW,E); |
| 1168 | myMapSpine.Bind(E,E); |
| 1169 | } |
| 1170 | else { |
| 1171 | for (IteCuts.Initialize(Cuts); IteCuts.More(); IteCuts.Next()) { |
| 1172 | TopoDS_Edge NE = TopoDS::Edge(IteCuts.Value()); |
| 1173 | NE.Orientation(E.Orientation()); |
| 1174 | B.Add(NW,NE); |
| 1175 | myMapSpine.Bind(NE,E); |
| 1176 | EdgeVertices(NE,V1,V2); |
| 1177 | if (!myMapSpine.IsBound(V1)) myMapSpine.Bind(V1,E); |
| 1178 | if (!myMapSpine.IsBound(V2)) myMapSpine.Bind(V2,E); |
| 1179 | } |
| 1180 | } |
| 1181 | } |
| 1182 | // Modified by Sergey KHROMOV - Thu Mar 7 09:17:41 2002 Begin |
| 1183 | TopoDS_Vertex aV1; |
| 1184 | TopoDS_Vertex aV2; |
| 1185 | |
| 1186 | TopExp::Vertices(NW, aV1, aV2); |
| 1187 | |
| 1188 | NW.Closed(aV1.IsSame(aV2)); |
| 1189 | // Modified by Sergey KHROMOV - Thu Mar 7 09:17:43 2002 End |
| 1190 | B.Add(myWorkSpine, NW); |
| 1191 | } |
| 1192 | |
| 1193 | #ifdef DRAW |
| 1194 | if ( AffichEdge) { |
| 1195 | sprintf(name,"WS"); |
| 1196 | DBRep::Set(name,myWorkSpine); |
| 1197 | } |
| 1198 | #endif |
| 1199 | |
| 1200 | } |
| 1201 | |
| 1202 | //======================================================================= |
| 1203 | //function : MakeWires |
| 1204 | //purpose : |
| 1205 | //======================================================================= |
| 1206 | |
| 1207 | void BRepFill_OffsetWire::MakeWires() |
| 1208 | { |
| 1209 | //-------------------------------------------------------- |
| 1210 | // creation of a single list of created parallel edges. |
| 1211 | //-------------------------------------------------------- |
| 1212 | TopTools_SequenceOfShape TheEdges; |
| 1213 | TopTools_ListOfShape TheWires; |
| 1214 | TopTools_ListIteratorOfListOfShape itl; |
| 1215 | //BRepFill_DataMapIteratorOfDataMapOfOrientedShapeListOfShape ite; |
| 1216 | TopTools_IndexedDataMapOfShapeListOfShape MVE; |
| 1217 | //TopTools_DataMapIteratorOfDataMapOfShapeListOfShape MVEit; |
| 1218 | TopoDS_Vertex V1,V2,VF,CV; |
| 1219 | Standard_Integer i; |
| 1220 | |
| 1221 | for (i = 1; i <= myMap.Extent(); i++) { |
| 1222 | for (itl.Initialize(myMap(i)); itl.More(); itl.Next()) { |
| 1223 | const TopoDS_Edge& E = TopoDS::Edge(itl.Value()); |
| 1224 | TopExp::Vertices (E,V1,V2); |
| 1225 | if (V1.IsSame(V2) && IsSmallClosedEdge(E, V1)) |
| 1226 | continue; //remove small closed edges |
| 1227 | if (!MVE.Contains(V1)) { |
| 1228 | TopTools_ListOfShape empty; |
| 1229 | MVE.Add(V1,empty); |
| 1230 | } |
| 1231 | MVE.ChangeFromKey(V1).Append(E); |
| 1232 | if (!MVE.Contains(V2)) { |
| 1233 | TopTools_ListOfShape empty; |
| 1234 | MVE.Add(V2,empty); |
| 1235 | } |
| 1236 | MVE.ChangeFromKey(V2).Append(E); |
| 1237 | } |
| 1238 | } |
| 1239 | |
| 1240 | //-------------------------------------- |
| 1241 | // Creation of parallel wires. |
| 1242 | //-------------------------------------- |
| 1243 | BRep_Builder B; |
| 1244 | |
| 1245 | // Standard_Integer NbEdges; |
| 1246 | // Standard_Boolean NewWire = Standard_True; |
| 1247 | // Standard_Boolean AddEdge = Standard_False; |
| 1248 | |
| 1249 | TopoDS_Wire NW; |
| 1250 | Standard_Boolean End; |
| 1251 | TopoDS_Edge CE; |
| 1252 | |
| 1253 | while (!MVE.IsEmpty()) { |
| 1254 | B.MakeWire(NW); |
| 1255 | |
| 1256 | //MVEit.Initialize(MVE); |
| 1257 | for (i = 1; i <= MVE.Extent(); i++) |
| 1258 | if(MVE(i).Extent() == 1) |
| 1259 | break; |
| 1260 | |
| 1261 | //if(!MVEit.More()) MVEit.Initialize(MVE); |
| 1262 | if (i > MVE.Extent()) |
| 1263 | i = 1; |
| 1264 | |
| 1265 | CV = VF = TopoDS::Vertex(MVE.FindKey(i)); |
| 1266 | CE = TopoDS::Edge(MVE(i).First()); |
| 1267 | End = Standard_False; |
| 1268 | MVE.ChangeFromKey(CV).RemoveFirst(); |
| 1269 | |
| 1270 | // Modified by Sergey KHROMOV - Thu Mar 14 11:29:59 2002 Begin |
| 1271 | Standard_Boolean isClosed = Standard_False; |
| 1272 | // Modified by Sergey KHROMOV - Thu Mar 14 11:30:00 2002 End |
| 1273 | |
| 1274 | while(!End) { |
| 1275 | //------------------------------- |
| 1276 | // Construction of a wire. |
| 1277 | //------------------------------- |
| 1278 | TopExp::Vertices(CE,V1,V2); |
| 1279 | if (!CV.IsSame(V1)) CV = V1; else CV = V2; |
| 1280 | |
| 1281 | B.Add (NW,CE); |
| 1282 | |
| 1283 | if (VF.IsSame(CV) || !MVE.Contains(CV)) { |
| 1284 | // Modified by Sergey KHROMOV - Thu Mar 14 11:30:14 2002 Begin |
| 1285 | isClosed = VF.IsSame(CV); |
| 1286 | // Modified by Sergey KHROMOV - Thu Mar 14 11:30:15 2002 End |
| 1287 | End = Standard_True; |
| 1288 | //MVE.UnBind(VF); |
| 1289 | TopoDS_Shape LastShape = MVE.FindKey(MVE.Extent()); |
| 1290 | TopTools_ListOfShape LastList; |
| 1291 | LastList.Append(MVE(MVE.Extent())); |
| 1292 | MVE.RemoveLast(); |
| 1293 | if (MVE.FindIndex(VF) != 0) |
| 1294 | MVE.Substitute(MVE.FindIndex(VF), LastShape, LastList); |
| 1295 | } |
| 1296 | |
| 1297 | if (!End) { |
| 1298 | if (MVE.FindFromKey(CV).Extent() > 2) { |
| 1299 | //cout <<"vertex on more that 2 edges in a face."<<endl; |
| 1300 | } |
| 1301 | for ( itl.Initialize(MVE.FindFromKey(CV)); itl.More(); itl.Next()) { |
| 1302 | if (itl.Value().IsSame(CE)) { |
| 1303 | MVE.ChangeFromKey(CV).Remove(itl); |
| 1304 | break; |
| 1305 | } |
| 1306 | } |
| 1307 | if (!MVE.FindFromKey(CV).IsEmpty()) { |
| 1308 | CE = TopoDS::Edge(MVE.FindFromKey(CV).First()); |
| 1309 | MVE.ChangeFromKey(CV).RemoveFirst(); |
| 1310 | } |
| 1311 | if (MVE.FindFromKey(CV).IsEmpty()) |
| 1312 | { |
| 1313 | //MVE.UnBind(CV); |
| 1314 | TopoDS_Shape LastShape = MVE.FindKey(MVE.Extent()); |
| 1315 | TopTools_ListOfShape LastList; |
| 1316 | LastList.Append(MVE(MVE.Extent())); |
| 1317 | MVE.RemoveLast(); |
| 1318 | if (MVE.FindIndex(CV) != 0) |
| 1319 | MVE.Substitute(MVE.FindIndex(CV), LastShape, LastList); |
| 1320 | } |
| 1321 | } |
| 1322 | } |
| 1323 | // Modified by Sergey KHROMOV - Thu Mar 14 11:29:31 2002 Begin |
| 1324 | // NW.Closed(Standard_True); |
| 1325 | NW.Closed(isClosed); |
| 1326 | // Modified by Sergey KHROMOV - Thu Mar 14 11:29:37 2002 End |
| 1327 | TheWires.Append(NW); |
| 1328 | } |
| 1329 | |
| 1330 | // update myShape : |
| 1331 | // -- if only one wire : myShape is a Wire |
| 1332 | // -- if several wires : myShape is a Compound. |
| 1333 | if ( TheWires.Extent() == 1) { |
| 1334 | myShape = TheWires.First(); |
| 1335 | } |
| 1336 | else { |
| 1337 | TopoDS_Compound R; |
| 1338 | B.MakeCompound(R); |
| 1339 | TopTools_ListIteratorOfListOfShape it(TheWires); |
| 1340 | for ( ; it.More(); it.Next()) { |
| 1341 | B.Add(R, it.Value()); |
| 1342 | } |
| 1343 | myShape = R; |
| 1344 | } |
| 1345 | |
| 1346 | } |
| 1347 | |
| 1348 | //======================================================================= |
| 1349 | //function : FixHoles |
| 1350 | //purpose : |
| 1351 | //======================================================================= |
| 1352 | |
| 1353 | void BRepFill_OffsetWire::FixHoles() |
| 1354 | { |
| 1355 | TopTools_SequenceOfShape ClosedWires, UnclosedWires, IsolatedWires; |
| 1356 | |
| 1357 | Standard_Real MaxTol = 0.; |
| 1358 | Standard_Integer i; |
| 1359 | BRep_Builder BB; |
| 1360 | |
| 1361 | TopExp_Explorer Explo( mySpine, TopAbs_VERTEX ); |
| 1362 | for (; Explo.More(); Explo.Next()) |
| 1363 | { |
| 1364 | const TopoDS_Vertex& aVertex = TopoDS::Vertex( Explo.Current() ); |
| 1365 | Standard_Real Tol = BRep_Tool::Tolerance(aVertex); |
| 1366 | if (Tol > MaxTol) |
| 1367 | MaxTol = Tol; |
| 1368 | } |
| 1369 | MaxTol *= 100.; |
| 1370 | |
| 1371 | Explo.Init( myShape, TopAbs_WIRE ); |
| 1372 | for (; Explo.More(); Explo.Next()) |
| 1373 | { |
| 1374 | TopoDS_Shape aWire = Explo.Current(); |
| 1375 | // Remove duplicated edges |
| 1376 | TopTools_DataMapOfShapeListOfShape EEmap; |
| 1377 | TopoDS_Iterator it( aWire ); |
| 1378 | for (; it.More(); it.Next()) |
| 1379 | { |
| 1380 | const TopoDS_Shape& anEdge = it.Value(); |
| 1381 | if (! EEmap.IsBound( anEdge )) |
| 1382 | { |
| 1383 | TopTools_ListOfShape LE; |
| 1384 | EEmap.Bind( anEdge, LE ); |
| 1385 | } |
| 1386 | else |
| 1387 | EEmap(anEdge).Append( anEdge ); |
| 1388 | } |
| 1389 | aWire.Free( Standard_True ); |
| 1390 | TopTools_DataMapIteratorOfDataMapOfShapeListOfShape mapit( EEmap ); |
| 1391 | for (; mapit.More(); mapit.Next()) |
| 1392 | { |
| 1393 | const TopTools_ListOfShape& LE = mapit.Value(); |
| 1394 | TopTools_ListIteratorOfListOfShape itl( LE ); |
| 1395 | for (; itl.More(); itl.Next()) |
| 1396 | BB.Remove( aWire, itl.Value() ); |
| 1397 | } |
| 1398 | // Sorting |
| 1399 | if (aWire.Closed()) |
| 1400 | ClosedWires.Append( aWire ); |
| 1401 | else |
| 1402 | UnclosedWires.Append( aWire ); |
| 1403 | } |
| 1404 | |
| 1405 | while (!UnclosedWires.IsEmpty()) |
| 1406 | { |
| 1407 | TopoDS_Wire& Base = TopoDS::Wire( UnclosedWires(1) ); |
| 1408 | TopoDS_Vertex Vf, Vl; |
| 1409 | TopExp::Vertices( Base, Vf, Vl ); |
| 1410 | if(Vf.IsNull() || Vl.IsNull()) |
| 1411 | Standard_Failure::Raise("BRepFill_OffsetWire::FixHoles(): Wrong wire."); |
| 1412 | gp_Pnt Pf, Pl; |
| 1413 | Pf = BRep_Tool::Pnt(Vf); |
| 1414 | Pl = BRep_Tool::Pnt(Vl); |
| 1415 | Standard_Real DistF = RealLast(), DistL = RealLast(); |
| 1416 | Standard_Integer IndexF = 1, IndexL = 1; |
| 1417 | Standard_Boolean IsFirstF = Standard_False, IsFirstL = Standard_False; |
| 1418 | for (Standard_Integer i = 2; i <= UnclosedWires.Length(); i++) |
| 1419 | { |
| 1420 | TopoDS_Wire aWire = TopoDS::Wire( UnclosedWires(i) ); |
| 1421 | TopoDS_Vertex V1, V2; |
| 1422 | TopExp::Vertices( aWire, V1, V2 ); |
| 1423 | |
| 1424 | if(V1.IsNull() || V2.IsNull()) |
| 1425 | Standard_Failure::Raise("BRepFill_OffsetWire::FixHoles(): Wrong wire."); |
| 1426 | |
| 1427 | gp_Pnt P1, P2; |
| 1428 | P1 = BRep_Tool::Pnt(V1); |
| 1429 | P2 = BRep_Tool::Pnt(V2); |
| 1430 | Standard_Real dist = Pf.Distance( P1 ); |
| 1431 | if (dist < DistF) |
| 1432 | { |
| 1433 | DistF = dist; |
| 1434 | IndexF = i; |
| 1435 | IsFirstF = Standard_True; |
| 1436 | } |
| 1437 | dist = Pf.Distance( P2 ); |
| 1438 | if (dist < DistF) |
| 1439 | { |
| 1440 | DistF = dist; |
| 1441 | IndexF = i; |
| 1442 | IsFirstF = Standard_False; |
| 1443 | } |
| 1444 | dist = Pl.Distance( P1 ); |
| 1445 | if (dist < DistL) |
| 1446 | { |
| 1447 | DistL = dist; |
| 1448 | IndexL = i; |
| 1449 | IsFirstL = Standard_True; |
| 1450 | } |
| 1451 | dist = Pl.Distance( P2 ); |
| 1452 | if (dist < DistL) |
| 1453 | { |
| 1454 | DistL = dist; |
| 1455 | IndexL = i; |
| 1456 | IsFirstL = Standard_False; |
| 1457 | } |
| 1458 | } |
| 1459 | TopoDS_Wire theWire; |
| 1460 | TopoDS_Edge theEdge; |
| 1461 | TopoDS_Vertex theVertex; |
| 1462 | Standard_Real CommonTol; |
| 1463 | Standard_Boolean TryToClose = Standard_True; |
| 1464 | if (DistF <= MaxTol && DistL <= MaxTol && IndexF == IndexL && IsFirstF == IsFirstL) |
| 1465 | { |
| 1466 | if (DistF < DistL) |
| 1467 | { |
| 1468 | DistL = RealLast(); |
| 1469 | IndexL++; |
| 1470 | } |
| 1471 | else |
| 1472 | { |
| 1473 | DistF = RealLast(); |
| 1474 | IndexF++; |
| 1475 | } |
| 1476 | TryToClose = Standard_False; |
| 1477 | } |
| 1478 | if (DistF <= MaxTol) |
| 1479 | { |
| 1480 | theWire = TopoDS::Wire( UnclosedWires(IndexF) ); |
| 1481 | TopoDS_Vertex V1, V2; |
| 1482 | TopExp::Vertices( theWire, V1, V2 ); |
| 1483 | TopTools_IndexedDataMapOfShapeListOfShape VEmap; |
| 1484 | TopExp::MapShapesAndAncestors( theWire, TopAbs_VERTEX, TopAbs_EDGE, VEmap ); |
| 1485 | theEdge = (IsFirstF)? TopoDS::Edge(VEmap.FindFromKey( V1 ).First()) : |
| 1486 | TopoDS::Edge(VEmap.FindFromKey( V2 ).First()); |
| 1487 | TopoDS_Iterator it( theWire ); |
| 1488 | for (; it.More(); it.Next()) |
| 1489 | { |
| 1490 | TopoDS_Edge anEdge = TopoDS::Edge( it.Value() ); |
| 1491 | if (IsFirstF) anEdge.Reverse(); |
| 1492 | if (!anEdge.IsSame( theEdge )) |
| 1493 | BB.Add( Base, anEdge ); |
| 1494 | } |
| 1495 | theVertex = (IsFirstF)? V1 : V2; |
| 1496 | CommonTol = Max( BRep_Tool::Tolerance(Vf), BRep_Tool::Tolerance(theVertex) ); |
| 1497 | if (DistF <= CommonTol) |
| 1498 | { |
| 1499 | theEdge.Free( Standard_True ); |
| 1500 | Vf.Orientation( theVertex.Orientation() ); |
| 1501 | BB.Remove( theEdge, theVertex ); |
| 1502 | BB.Add( theEdge, Vf ); |
| 1503 | BB.UpdateVertex( Vf, CommonTol ); |
| 1504 | if (IsFirstF) theEdge.Reverse(); |
| 1505 | BB.Add( Base, theEdge ); |
| 1506 | } |
| 1507 | else |
| 1508 | { |
| 1509 | if (IsFirstF) theEdge.Reverse(); |
| 1510 | BB.Add( Base, theEdge ); |
| 1511 | // Creating new edge from theVertex to Vf |
| 1512 | TopoDS_Edge NewEdge = BRepLib_MakeEdge( theVertex, Vf ); |
| 1513 | BB.Add( Base, NewEdge ); |
| 1514 | } |
| 1515 | } |
| 1516 | if (DistL <= MaxTol && IndexL != IndexF) |
| 1517 | { |
| 1518 | theWire = TopoDS::Wire( UnclosedWires(IndexL) ); |
| 1519 | TopoDS_Vertex V1, V2; |
| 1520 | TopExp::Vertices( theWire, V1, V2 ); |
| 1521 | TopTools_IndexedDataMapOfShapeListOfShape VEmap; |
| 1522 | TopExp::MapShapesAndAncestors( theWire, TopAbs_VERTEX, TopAbs_EDGE, VEmap ); |
| 1523 | theEdge = (IsFirstL)? TopoDS::Edge(VEmap.FindFromKey( V1 ).First()) : |
| 1524 | TopoDS::Edge(VEmap.FindFromKey( V2 ).First()); |
| 1525 | TopoDS_Iterator it( theWire ); |
| 1526 | for (; it.More(); it.Next()) |
| 1527 | { |
| 1528 | TopoDS_Edge anEdge = TopoDS::Edge( it.Value() ); |
| 1529 | if (!IsFirstL) anEdge.Reverse(); |
| 1530 | if (!anEdge.IsSame( theEdge )) |
| 1531 | BB.Add( Base, anEdge ); |
| 1532 | } |
| 1533 | theVertex = (IsFirstL)? V1 : V2; |
| 1534 | CommonTol = Max( BRep_Tool::Tolerance(Vl), BRep_Tool::Tolerance(theVertex) ); |
| 1535 | if (DistL <= CommonTol) |
| 1536 | { |
| 1537 | theEdge.Free( Standard_True ); |
| 1538 | Vl.Orientation( theVertex.Orientation() ); |
| 1539 | BB.Remove( theEdge, theVertex ); |
| 1540 | BB.Add( theEdge, Vl ); |
| 1541 | BB.UpdateVertex( Vl, CommonTol ); |
| 1542 | if (!IsFirstL) theEdge.Reverse(); |
| 1543 | BB.Add( Base, theEdge ); |
| 1544 | } |
| 1545 | else |
| 1546 | { |
| 1547 | if (!IsFirstL) theEdge.Reverse(); |
| 1548 | BB.Add( Base, theEdge ); |
| 1549 | // Creating new edge from Vl to theVertex |
| 1550 | TopoDS_Edge NewEdge = BRepLib_MakeEdge( Vl, theVertex ); |
| 1551 | BB.Add( Base, NewEdge ); |
| 1552 | } |
| 1553 | } |
| 1554 | // Check if it is possible to close resulting wire |
| 1555 | if (TryToClose) |
| 1556 | { |
| 1557 | TopExp::Vertices( Base, Vf, Vl ); |
| 1558 | CommonTol = Max( BRep_Tool::Tolerance(Vf), BRep_Tool::Tolerance(Vl) ); |
| 1559 | TopTools_IndexedDataMapOfShapeListOfShape VEmap; |
| 1560 | TopExp::MapShapesAndAncestors( Base, TopAbs_VERTEX, TopAbs_EDGE, VEmap ); |
| 1561 | TopoDS_Edge Efirst, Elast; |
| 1562 | Efirst = TopoDS::Edge(VEmap.FindFromKey( Vf ).First()); |
| 1563 | Elast = TopoDS::Edge(VEmap.FindFromKey( Vl ).First()); |
| 1564 | Pf = BRep_Tool::Pnt(Vf); |
| 1565 | Pl = BRep_Tool::Pnt(Vl); |
| 1566 | Standard_Real Dist = Pf.Distance(Pl); |
| 1567 | if (Dist <= CommonTol) |
| 1568 | { |
| 1569 | Elast.Free( Standard_True ); |
| 1570 | Vf.Orientation( Vl.Orientation() ); |
| 1571 | BB.Remove( Elast, Vl ); |
| 1572 | BB.Add( Elast, Vf ); |
| 1573 | BB.UpdateVertex( Vf, CommonTol ); |
| 1574 | Base.Closed( Standard_True ); |
| 1575 | } |
| 1576 | else if (Dist <= MaxTol) |
| 1577 | { |
| 1578 | // Creating new edge from Vl to Vf |
| 1579 | TopoDS_Edge NewEdge = BRepLib_MakeEdge( Vf, Vl ); |
| 1580 | BB.Add( Base, NewEdge ); |
| 1581 | Base.Closed( Standard_True ); |
| 1582 | } |
| 1583 | } |
| 1584 | // Updating sequences ClosedWires and UnclosedWires |
| 1585 | if (DistF <= MaxTol) |
| 1586 | UnclosedWires.Remove( IndexF ); |
| 1587 | if (DistL <= MaxTol && IndexL != IndexF) |
| 1588 | { |
| 1589 | if (DistF <= MaxTol && IndexL > IndexF) |
| 1590 | IndexL--; |
| 1591 | UnclosedWires.Remove( IndexL ); |
| 1592 | } |
| 1593 | if (Base.Closed()) |
| 1594 | { |
| 1595 | ClosedWires.Append( Base ); |
| 1596 | UnclosedWires.Remove( 1 ); |
| 1597 | } |
| 1598 | else if (DistF > MaxTol && DistL > MaxTol) |
| 1599 | { |
| 1600 | IsolatedWires.Append( Base ); |
| 1601 | UnclosedWires.Remove( 1 ); |
| 1602 | } |
| 1603 | } |
| 1604 | |
| 1605 | // Updating myShape |
| 1606 | if (ClosedWires.Length() + IsolatedWires.Length() == 1) |
| 1607 | { |
| 1608 | if (!ClosedWires.IsEmpty()) |
| 1609 | myShape = ClosedWires.First(); |
| 1610 | else |
| 1611 | myShape = IsolatedWires.First(); |
| 1612 | } |
| 1613 | else |
| 1614 | { |
| 1615 | TopoDS_Compound R; |
| 1616 | BB.MakeCompound( R ); |
| 1617 | for (i = 1; i <= ClosedWires.Length(); i++) |
| 1618 | BB.Add( R, ClosedWires(i) ); |
| 1619 | for (i = 1; i <= IsolatedWires.Length(); i++) |
| 1620 | BB.Add( R, IsolatedWires(i) ); |
| 1621 | myShape = R; |
| 1622 | } |
| 1623 | } |
| 1624 | |
| 1625 | //======================================================================= |
| 1626 | //function : CutEdge |
| 1627 | //purpose : Cut edge at the extrema of curvatures and points of inflexion. |
| 1628 | // So, closed circles are cut in two. |
| 1629 | // If <Cuts> is empty, the edge is not modified. |
| 1630 | // The first and the last vertex of the initial edge |
| 1631 | // belong to the first and the last parts respectively. |
| 1632 | //======================================================================= |
| 1633 | Standard_Integer CutEdge (const TopoDS_Edge& E, |
| 1634 | const TopoDS_Face& F, |
| 1635 | Standard_Integer ForceCut, |
| 1636 | TopTools_ListOfShape& Cuts) |
| 1637 | { |
| 1638 | Cuts.Clear(); |
| 1639 | MAT2d_CutCurve Cuter; |
| 1640 | TColGeom2d_SequenceOfCurve theCurves; |
| 1641 | Standard_Real f,l; |
| 1642 | Handle(Geom2d_Curve) C2d; |
| 1643 | Handle(Geom2d_TrimmedCurve) CT2d; |
| 1644 | // Modified by Sergey KHROMOV - Wed Mar 6 17:36:25 2002 Begin |
| 1645 | Standard_Real aTol = BRep_Tool::Tolerance(E); |
| 1646 | Handle(Geom_Curve) aC; |
| 1647 | // Modified by Sergey KHROMOV - Wed Mar 6 17:36:25 2002 End |
| 1648 | |
| 1649 | TopoDS_Vertex V1,V2,VF,VL; |
| 1650 | TopExp::Vertices (E,V1,V2); |
| 1651 | BRep_Builder B; |
| 1652 | |
| 1653 | C2d = BRep_Tool::CurveOnSurface (E,F,f,l); |
| 1654 | // Modified by Sergey KHROMOV - Wed Mar 6 17:36:54 2002 Begin |
| 1655 | aC = BRep_Tool::Curve(E,f,l); |
| 1656 | // Modified by Sergey KHROMOV - Wed Mar 6 17:36:54 2002 End |
| 1657 | CT2d = new Geom2d_TrimmedCurve(C2d,f,l); |
| 1658 | //if (E.Orientation() == TopAbs_REVERSED) CT2d->Reverse(); |
| 1659 | |
| 1660 | if (CT2d->BasisCurve()->IsKind(STANDARD_TYPE(Geom2d_Circle)) && |
| 1661 | ( Abs(f-l) >= M_PI) ) { |
| 1662 | return 0; |
| 1663 | } |
| 1664 | |
| 1665 | //------------------------- |
| 1666 | // Cut curve. |
| 1667 | //------------------------- |
| 1668 | Cuter.Perform(CT2d); |
| 1669 | |
| 1670 | // Modified by Sergey KHROMOV - Thu Nov 16 17:28:29 2000 Begin |
| 1671 | if (ForceCut == 0) { |
| 1672 | if (Cuter.UnModified()) { |
| 1673 | //----------------------------- |
| 1674 | // edge not modified => return. |
| 1675 | //----------------------------- |
| 1676 | return 0; |
| 1677 | } else { |
| 1678 | for (Standard_Integer k = 1; k <= Cuter.NbCurves(); k++) |
| 1679 | theCurves.Append(Cuter.Value(k)); |
| 1680 | } |
| 1681 | } else if (ForceCut == 1) { |
| 1682 | if (Cuter.UnModified()) { |
| 1683 | CutCurve (CT2d, 2, theCurves); |
| 1684 | } else { |
| 1685 | for (Standard_Integer k = 1; k <= Cuter.NbCurves(); k++) |
| 1686 | theCurves.Append(Cuter.Value(k)); |
| 1687 | } |
| 1688 | } else if (ForceCut == 2) { |
| 1689 | if (Cuter.UnModified()) { |
| 1690 | CutCurve (CT2d, 3, theCurves); |
| 1691 | } else { |
| 1692 | if (Cuter.NbCurves() == 2) { |
| 1693 | Handle(Geom2d_TrimmedCurve)CC = Cuter.Value(1); |
| 1694 | |
| 1695 | if (CC->LastParameter() > (l+f)/2.) { |
| 1696 | CutCurve (CC, 2, theCurves); |
| 1697 | theCurves.Append(Cuter.Value(2)); |
| 1698 | } else { |
| 1699 | theCurves.Append(CC); |
| 1700 | CutCurve (Cuter.Value(2), 2, theCurves); |
| 1701 | } |
| 1702 | } else { |
| 1703 | for (Standard_Integer k = 1; k <= Cuter.NbCurves(); k++) |
| 1704 | theCurves.Append(Cuter.Value(k)); |
| 1705 | } |
| 1706 | } |
| 1707 | } |
| 1708 | // Modified by Sergey KHROMOV - Thu Nov 16 17:28:37 2000 End |
| 1709 | |
| 1710 | //-------------------------------------- |
| 1711 | // Creation of cut edges. |
| 1712 | //-------------------------------------- |
| 1713 | VF = V1; |
| 1714 | |
| 1715 | for (Standard_Integer k = 1; k <= theCurves.Length(); k++) { |
| 1716 | |
| 1717 | Handle(Geom2d_TrimmedCurve)CC = Handle(Geom2d_TrimmedCurve)::DownCast(theCurves.Value(k)); |
| 1718 | |
| 1719 | if (k == theCurves.Length()) {VL = V2;} |
| 1720 | else { |
| 1721 | // Modified by Sergey KHROMOV - Wed Mar 6 17:38:02 2002 Begin |
| 1722 | gp_Pnt P = aC->Value(CC->LastParameter()); |
| 1723 | |
| 1724 | VL = BRepLib_MakeVertex(P); |
| 1725 | B.UpdateVertex(VL, aTol); |
| 1726 | // Modified by Sergey KHROMOV - Wed Mar 6 17:38:05 2002 End |
| 1727 | } |
| 1728 | TopoDS_Shape aLocalShape = E.EmptyCopied(); |
| 1729 | TopoDS_Edge NE = TopoDS::Edge(aLocalShape); |
| 1730 | // TopoDS_Edge NE = TopoDS::Edge(E.EmptyCopied()); |
| 1731 | NE.Orientation(TopAbs_FORWARD); |
| 1732 | B.Add (NE,VF.Oriented(TopAbs_FORWARD)); |
| 1733 | B.Add (NE,VL.Oriented(TopAbs_REVERSED)); |
| 1734 | B.Range(NE,CC->FirstParameter(),CC->LastParameter()); |
| 1735 | Cuts.Append(NE.Oriented(E.Orientation())); |
| 1736 | VF = VL; |
| 1737 | } |
| 1738 | |
| 1739 | return theCurves.Length(); |
| 1740 | } |
| 1741 | |
| 1742 | // Modified by Sergey KHROMOV - Thu Nov 16 17:27:56 2000 Begin |
| 1743 | //======================================================================= |
| 1744 | //function : CutCurve |
| 1745 | //purpose : |
| 1746 | //======================================================================= |
| 1747 | |
| 1748 | void CutCurve (const Handle(Geom2d_TrimmedCurve)& C, |
| 1749 | const Standard_Integer nbParts, |
| 1750 | TColGeom2d_SequenceOfCurve& theCurves) |
| 1751 | { |
| 1752 | Handle(Geom2d_TrimmedCurve) TrimC; |
| 1753 | Standard_Real UF,UL,UC; |
| 1754 | Standard_Real Step; |
| 1755 | gp_Pnt2d PF,PL,PC; |
| 1756 | Standard_Real PTol = Precision::PConfusion()*10; |
| 1757 | Standard_Real Tol = Precision::Confusion()*10; |
| 1758 | Standard_Boolean YaCut = Standard_False; |
| 1759 | |
| 1760 | UF = C->FirstParameter(); |
| 1761 | UL = C->LastParameter (); |
| 1762 | PF = C->Value(UF); |
| 1763 | PL = C->Value(UL); |
| 1764 | |
| 1765 | Step = (UL - UF)/nbParts; |
| 1766 | |
| 1767 | for (Standard_Integer i = 1; i < nbParts; i++) { |
| 1768 | |
| 1769 | UC = UF + i*Step; |
| 1770 | PC = C->Value(UC); |
| 1771 | |
| 1772 | if (UC - UF > PTol && PC.Distance(PF) > Tol) { |
| 1773 | if ( UL - UC < PTol || PL.Distance(PC) < Tol) |
| 1774 | continue; |
| 1775 | |
| 1776 | TrimC = new Geom2d_TrimmedCurve(C,UF,UC); |
| 1777 | theCurves.Append(TrimC); |
| 1778 | UF = UC; |
| 1779 | PF = PC; |
| 1780 | YaCut = Standard_True; |
| 1781 | } |
| 1782 | } |
| 1783 | if (YaCut) { |
| 1784 | TrimC = new Geom2d_TrimmedCurve(C,UF,UL); |
| 1785 | theCurves.Append(TrimC); |
| 1786 | } else |
| 1787 | theCurves.Append(C); |
| 1788 | } |
| 1789 | // Modified by Sergey KHROMOV - Thu Nov 16 17:28:13 2000 End |
| 1790 | |
| 1791 | //======================================================================= |
| 1792 | //function : MakeCircle |
| 1793 | //purpose : |
| 1794 | //======================================================================= |
| 1795 | |
| 1796 | void MakeCircle (const TopoDS_Edge& E, |
| 1797 | const TopoDS_Vertex& V, |
| 1798 | const TopoDS_Face& F, |
| 1799 | const Standard_Real Offset, |
| 1800 | BRepFill_IndexedDataMapOfOrientedShapeListOfShape& Map, |
| 1801 | const Handle(Geom_Plane)& RefPlane) |
| 1802 | { |
| 1803 | // evaluate the Axis of the Circle. |
| 1804 | Standard_Real f,l; |
| 1805 | Handle(Geom2d_Curve) GC = BRep_Tool::CurveOnSurface(E,F,f,l); |
| 1806 | gp_Vec2d DX; |
| 1807 | gp_Pnt2d P; |
| 1808 | |
| 1809 | if (E.Orientation() == TopAbs_FORWARD) { |
| 1810 | GC->D1(l,P,DX); |
| 1811 | DX.Reverse(); |
| 1812 | } |
| 1813 | else GC->D1(f,P,DX); |
| 1814 | |
| 1815 | gp_Ax2d Axis(P,gp_Dir2d(DX)); |
| 1816 | Handle(Geom2d_Circle) Circ |
| 1817 | = new Geom2d_Circle(Axis, Abs(Offset), Offset < 0.); |
| 1818 | |
| 1819 | // Bind the edges in my Map. |
| 1820 | TopoDS_Edge OE = BRepLib_MakeEdge(Circ, RefPlane); |
| 1821 | TopTools_ListOfShape LL; |
| 1822 | |
| 1823 | LL.Append(OE); |
| 1824 | Map.Add(V,LL); |
| 1825 | |
| 1826 | #ifdef DRAW |
| 1827 | if ( AffichGeom && !OE.IsNull()) { |
| 1828 | sprintf(name,"OFFSET_%d",++NbOFFSET); |
| 1829 | DBRep::Set(name,OE); |
| 1830 | } |
| 1831 | #endif |
| 1832 | } |
| 1833 | |
| 1834 | //======================================================================= |
| 1835 | //function : MakeOffset |
| 1836 | //purpose : |
| 1837 | //======================================================================= |
| 1838 | |
| 1839 | void MakeOffset (const TopoDS_Edge& E, |
| 1840 | const TopoDS_Face& F, |
| 1841 | const Standard_Real Offset, |
| 1842 | BRepFill_IndexedDataMapOfOrientedShapeListOfShape& Map, |
| 1843 | const Handle(Geom_Plane)& RefPlane) |
| 1844 | { |
| 1845 | Standard_Real f,l; |
| 1846 | Standard_Real anOffset = Offset; |
| 1847 | |
| 1848 | if (E.Orientation() == TopAbs_REVERSED) anOffset *= -1; |
| 1849 | |
| 1850 | Handle(Geom2d_Curve) G2d = BRep_Tool::CurveOnSurface(E,F,f,l); |
| 1851 | Handle(Geom2d_Curve) G2dOC; |
| 1852 | |
| 1853 | Geom2dAdaptor_Curve AC(G2d,f,l); |
| 1854 | if ( AC.GetType() == GeomAbs_Circle) { |
| 1855 | // if the offset is greater otr equal to the radius and the side of the |
| 1856 | // concavity of the circle => edge null. |
| 1857 | gp_Circ2d C1(AC.Circle()); |
| 1858 | gp_Ax22d axes( C1.Axis()); |
| 1859 | gp_Dir2d Xd = axes.XDirection(); |
| 1860 | gp_Dir2d Yd = axes.YDirection(); |
| 1861 | Standard_Real Crossed = Xd.X()*Yd.Y()-Xd.Y()*Yd.X(); |
| 1862 | Standard_Real Signe = ( Crossed > 0.) ? 1. : -1.; |
| 1863 | |
| 1864 | if (anOffset*Signe < AC.Circle().Radius()) { |
| 1865 | |
| 1866 | Handle(Geom2dAdaptor_HCurve) AHC = |
| 1867 | new Geom2dAdaptor_HCurve(G2d); |
| 1868 | Adaptor3d_OffsetCurve Off(AHC,-anOffset); |
| 1869 | Handle(Geom2d_Circle) CC = new Geom2d_Circle(Off.Circle()); |
| 1870 | |
| 1871 | Standard_Real Delta = 2*M_PI - l + f; |
| 1872 | f -= 0.2*Delta; l += 0.2*Delta; |
| 1873 | |
| 1874 | G2dOC = new Geom2d_TrimmedCurve(CC,f,l); |
| 1875 | } |
| 1876 | } |
| 1877 | else if (AC.GetType() == GeomAbs_Line) { |
| 1878 | Handle(Geom2dAdaptor_HCurve) AHC = |
| 1879 | new Geom2dAdaptor_HCurve(G2d); |
| 1880 | Adaptor3d_OffsetCurve Off(AHC,anOffset); |
| 1881 | Handle(Geom2d_Line) CC = new Geom2d_Line(Off.Line()); |
| 1882 | Standard_Real Delta = (l - f); |
| 1883 | f -= Delta; l += Delta; |
| 1884 | G2dOC = new Geom2d_TrimmedCurve(CC,f,l); |
| 1885 | } |
| 1886 | else { |
| 1887 | |
| 1888 | anOffset = -anOffset; |
| 1889 | Handle(Geom2d_TrimmedCurve) G2dT = new Geom2d_TrimmedCurve(G2d,f,l); |
| 1890 | G2dOC = new Geom2d_OffsetCurve( G2dT, anOffset); |
| 1891 | |
| 1892 | } |
| 1893 | |
| 1894 | // Bind the edges in my Map. |
| 1895 | if (!G2dOC.IsNull()) { |
| 1896 | TopoDS_Edge OE = BRepLib_MakeEdge(G2dOC, RefPlane); |
| 1897 | OE.Orientation(E.Orientation()); |
| 1898 | TopTools_ListOfShape LL; |
| 1899 | LL.Append(OE); |
| 1900 | Map.Add(E,LL); |
| 1901 | |
| 1902 | #ifdef DRAW |
| 1903 | if (AffichGeom && !OE.IsNull()) { |
| 1904 | sprintf(name,"OFFSET_%d",++NbOFFSET); |
| 1905 | DBRep::Set(name,OE); |
| 1906 | Standard_Real ii = 0; |
| 1907 | } |
| 1908 | #endif |
| 1909 | |
| 1910 | } |
| 1911 | } |
| 1912 | |
| 1913 | //======================================================================= |
| 1914 | //function : UpdateDetromp |
| 1915 | //purpose : For each interval on bissectrice defined by parameters |
| 1916 | // test if the medium point is at a distance > offset |
| 1917 | // in this case vertices corresponding to the extremities of the interval |
| 1918 | // are ranked in the proofing. |
| 1919 | // => If the same vertex appears in the proofing, the |
| 1920 | // border of the zone of proximity is tangent to the offset . |
| 1921 | //======================================================================= |
| 1922 | |
| 1923 | void UpdateDetromp (TopTools_ListOfShape& Detromp1, |
| 1924 | TopTools_ListOfShape& Detromp2, |
| 1925 | const TopTools_SequenceOfShape& Vertices, |
| 1926 | const TColgp_SequenceOfPnt& Params, |
| 1927 | const Bisector_Bisec& Bisec, |
| 1928 | const Standard_Boolean SOnE, |
| 1929 | const Standard_Boolean EOnE, |
| 1930 | const BRepFill_TrimEdgeTool& Trim) |
| 1931 | { |
| 1932 | Standard_Integer ii = 1; |
| 1933 | Standard_Real U1,U2; |
| 1934 | TopoDS_Vertex V1,V2; |
| 1935 | |
| 1936 | Handle(Geom2d_Curve) Bis = Bisec.Value(); |
| 1937 | |
| 1938 | U1 = Bis->FirstParameter(); |
| 1939 | |
| 1940 | if (SOnE) { |
| 1941 | // the first point of the bissectrice is on the offset |
| 1942 | V1 = TopoDS::Vertex(Vertices.Value(ii)); |
| 1943 | ii++; |
| 1944 | } |
| 1945 | |
| 1946 | while (ii <= Vertices.Length()) { |
| 1947 | U2 = Params.Value(ii).X(); |
| 1948 | V2 = TopoDS::Vertex(Vertices.Value(ii)); |
| 1949 | |
| 1950 | gp_Pnt2d P = Bis->Value((U2 + U1)*0.5); |
| 1951 | if (!Trim.IsInside(P)) { |
| 1952 | if (!V1.IsNull()) { |
| 1953 | Detromp1.Append(V1); |
| 1954 | Detromp2.Append(V1); |
| 1955 | } |
| 1956 | Detromp1.Append(V2); |
| 1957 | Detromp2.Append(V2); |
| 1958 | } |
| 1959 | U1 = U2; |
| 1960 | V1 = V2; |
| 1961 | ii ++; |
| 1962 | } |
| 1963 | |
| 1964 | // test medium point between the last parameter and the end of the bissectrice. |
| 1965 | U2 = Bis->LastParameter(); |
| 1966 | if (!EOnE) { |
| 1967 | if (!Precision::IsInfinite(U2)) { |
| 1968 | gp_Pnt2d P = Bis->Value((U2 + U1)*0.5); |
| 1969 | if (!Trim.IsInside(P)) { |
| 1970 | if (!V1.IsNull()) { |
| 1971 | Detromp1.Append(V1); |
| 1972 | Detromp2.Append(V1); |
| 1973 | } |
| 1974 | } |
| 1975 | } |
| 1976 | else { |
| 1977 | if (!V1.IsNull()) { |
| 1978 | Detromp1.Append(V1); |
| 1979 | Detromp2.Append(V1); |
| 1980 | } |
| 1981 | } |
| 1982 | } |
| 1983 | } |
| 1984 | |
| 1985 | //======================================================================= |
| 1986 | //function : VertexFromNode |
| 1987 | //purpose : |
| 1988 | //======================================================================= |
| 1989 | |
| 1990 | Standard_Boolean VertexFromNode (const Handle(MAT_Node)& aNode, |
| 1991 | const Standard_Real Offset, |
| 1992 | gp_Pnt2d& PN, |
| 1993 | BRepFill_DataMapOfNodeShape& MapNodeVertex, |
| 1994 | TopoDS_Vertex& VN) |
| 1995 | { |
| 1996 | Standard_Boolean Status; |
| 1997 | Standard_Real Tol = Precision::Confusion(); |
| 1998 | BRep_Builder B; |
| 1999 | |
| 2000 | if (!aNode->Infinite() && Abs(aNode->Distance()-Offset) < Tol) { |
| 2001 | //------------------------------------------------ |
| 2002 | // the Node gives a vertex on the offset |
| 2003 | //------------------------------------------------ |
| 2004 | if (MapNodeVertex.IsBound(aNode)) { |
| 2005 | VN = TopoDS::Vertex(MapNodeVertex(aNode)); |
| 2006 | } |
| 2007 | else { |
| 2008 | gp_Pnt P(PN.X(),PN.Y(),0.); |
| 2009 | B.MakeVertex (VN); |
| 2010 | B.UpdateVertex(VN,P, Precision::Confusion()); |
| 2011 | MapNodeVertex.Bind(aNode,VN); |
| 2012 | } |
| 2013 | Status = Standard_True; |
| 2014 | } |
| 2015 | else Status = Standard_False; |
| 2016 | |
| 2017 | return Status; |
| 2018 | } |
| 2019 | |
| 2020 | |
| 2021 | //======================================================================= |
| 2022 | //function : StoreInMap |
| 2023 | //purpose : |
| 2024 | //======================================================================= |
| 2025 | |
| 2026 | void StoreInMap (const TopoDS_Shape& V1, |
| 2027 | const TopoDS_Shape& V2, |
| 2028 | TopTools_IndexedDataMapOfShapeShape& MapVV) |
| 2029 | { |
| 2030 | TopoDS_Shape OldV = V1, NewV = V2; |
| 2031 | Standard_Integer i; |
| 2032 | |
| 2033 | if (MapVV.Contains(V2)) |
| 2034 | NewV = MapVV.FindFromKey(V2); |
| 2035 | |
| 2036 | if (MapVV.Contains(V1)) |
| 2037 | MapVV.ChangeFromKey(V1) = NewV; |
| 2038 | |
| 2039 | for (i = 1; i <= MapVV.Extent(); i++) |
| 2040 | if (MapVV(i).IsSame(V1)) |
| 2041 | MapVV(i) = NewV; |
| 2042 | |
| 2043 | MapVV.Add(V1, NewV); |
| 2044 | } |
| 2045 | |
| 2046 | //======================================================================= |
| 2047 | //function : TrimEdge |
| 2048 | //purpose : |
| 2049 | //======================================================================= |
| 2050 | |
| 2051 | void TrimEdge (const TopoDS_Edge& E, |
| 2052 | const TopTools_ListOfShape& Detromp, |
| 2053 | TopTools_SequenceOfShape& TheVer, |
| 2054 | TColStd_SequenceOfReal& ThePar, |
| 2055 | TopTools_SequenceOfShape& S, |
| 2056 | TopTools_IndexedDataMapOfShapeShape& MapVV) |
| 2057 | { |
| 2058 | Standard_Boolean Change = Standard_True; |
| 2059 | BRep_Builder TheBuilder; |
| 2060 | S.Clear(); |
| 2061 | |
| 2062 | //----------------------------------------------------------- |
| 2063 | // Parse two sequences depending on the parameter on the edge. |
| 2064 | //----------------------------------------------------------- |
| 2065 | while (Change) { |
| 2066 | Change = Standard_False; |
| 2067 | for (Standard_Integer i = 1; i < ThePar.Length(); i++) { |
| 2068 | if (ThePar.Value(i) > ThePar.Value(i+1)) { |
| 2069 | ThePar.Exchange(i,i+1); |
| 2070 | TheVer.Exchange(i,i+1); |
| 2071 | Change = Standard_True; |
| 2072 | } |
| 2073 | } |
| 2074 | } |
| 2075 | |
| 2076 | //---------------------------------------------------------- |
| 2077 | // If a vertex is not in the proofing, it is eliminated. |
| 2078 | //---------------------------------------------------------- |
| 2079 | if (!BRep_Tool::Degenerated(E)) { |
| 2080 | for (Standard_Integer k = 1; k <= TheVer.Length(); k ++) { |
| 2081 | if ( DoubleOrNotInside (Detromp, |
| 2082 | TopoDS::Vertex(TheVer.Value(k)))) { |
| 2083 | TheVer.Remove(k); |
| 2084 | ThePar.Remove(k); |
| 2085 | k--; |
| 2086 | } |
| 2087 | } |
| 2088 | } |
| 2089 | |
| 2090 | //---------------------------------------------------------- |
| 2091 | // If a vertex_double appears twice in the proofing |
| 2092 | // the vertex is removed. |
| 2093 | // otherwise preserve only one of its representations. |
| 2094 | //---------------------------------------------------------- |
| 2095 | if (!BRep_Tool::Degenerated(E)) { |
| 2096 | for (Standard_Integer k = 1; k < TheVer.Length(); k ++) { |
| 2097 | if (TheVer.Value(k).IsSame(TheVer.Value(k+1)) || |
| 2098 | Abs(ThePar.Value(k)-ThePar.Value(k+1)) <= Precision::PConfusion()) { |
| 2099 | |
| 2100 | if(k+1 == TheVer.Length()) { |
| 2101 | StoreInMap(TheVer(k), TheVer(k+1), MapVV); |
| 2102 | TheVer.Remove(k); |
| 2103 | ThePar.Remove(k); |
| 2104 | } |
| 2105 | else { |
| 2106 | StoreInMap(TheVer(k+1), TheVer(k), MapVV); |
| 2107 | TheVer.Remove(k+1); |
| 2108 | ThePar.Remove(k+1); |
| 2109 | } |
| 2110 | /* |
| 2111 | if ( DoubleOrNotInside (Detromp, |
| 2112 | TopoDS::Vertex(TheVer.Value(k)))) { |
| 2113 | TheVer.Remove(k); |
| 2114 | ThePar.Remove(k); |
| 2115 | k--; |
| 2116 | } |
| 2117 | */ |
| 2118 | k--; |
| 2119 | } |
| 2120 | } |
| 2121 | } |
| 2122 | //----------------------------------------------------------- |
| 2123 | // Creation of edges. |
| 2124 | // the number of vertices should be even. The created edges |
| 2125 | // go from a vertex with uneven index i to vertex i+1; |
| 2126 | //----------------------------------------------------------- |
| 2127 | for (Standard_Integer k = 1; k < TheVer.Length(); k = k+2) { |
| 2128 | TopoDS_Shape aLocalShape = E.EmptyCopied(); |
| 2129 | TopoDS_Edge NewEdge = TopoDS::Edge(aLocalShape); |
| 2130 | // TopoDS_Edge NewEdge = TopoDS::Edge(E.EmptyCopied()); |
| 2131 | |
| 2132 | if (NewEdge.Orientation() == TopAbs_REVERSED) { |
| 2133 | TheBuilder.Add (NewEdge,TheVer.Value(k) .Oriented(TopAbs_REVERSED)); |
| 2134 | TheBuilder.Add (NewEdge,TheVer.Value(k+1).Oriented(TopAbs_FORWARD)); |
| 2135 | } |
| 2136 | else { |
| 2137 | TheBuilder.Add (NewEdge,TheVer.Value(k) .Oriented(TopAbs_FORWARD)); |
| 2138 | TheBuilder.Add (NewEdge,TheVer.Value(k+1).Oriented(TopAbs_REVERSED)); |
| 2139 | } |
| 2140 | |
| 2141 | |
| 2142 | TheBuilder.Range(NewEdge,ThePar.Value(k),ThePar.Value(k+1)); |
| 2143 | |
| 2144 | #ifdef DRAW |
| 2145 | if ( AffichEdge) { |
| 2146 | sprintf(name,"TRIMEDGE_%d",NbTRIMEDGES); |
| 2147 | DBRep::Set(name,NewEdge); |
| 2148 | } |
| 2149 | if (Affich2d) { |
| 2150 | TopLoc_Location L; |
| 2151 | Standard_Real f,l; |
| 2152 | Handle(Geom_Surface) Surf; |
| 2153 | Handle(Geom2d_Curve) C; |
| 2154 | BRep_Tool::CurveOnSurface(NewEdge,C,Surf,L,f,l); |
| 2155 | sprintf(name,"OFFSET2d_%d",NbTRIMEDGES++); |
| 2156 | Handle(Geom2d_TrimmedCurve) C2d = new Geom2d_TrimmedCurve(C,f,l); |
| 2157 | Handle(DrawTrSurf_Curve2d) dr = |
| 2158 | new DrawTrSurf_Curve2d(C2d,Standard_False); |
| 2159 | dr->SetColor(Draw_bleu); |
| 2160 | Draw::Set(name,dr); |
| 2161 | } |
| 2162 | #endif |
| 2163 | |
| 2164 | S.Append(NewEdge); |
| 2165 | } |
| 2166 | } |
| 2167 | |
| 2168 | //======================================================================= |
| 2169 | //function : DoubleOrNotInside |
| 2170 | //purpose : return True if V appears twice in LV or is not inside. |
| 2171 | //======================================================================= |
| 2172 | |
| 2173 | Standard_Boolean DoubleOrNotInside (const TopTools_ListOfShape& LV, |
| 2174 | const TopoDS_Vertex& V) |
| 2175 | { |
| 2176 | Standard_Boolean Vu = Standard_False; |
| 2177 | TopTools_ListIteratorOfListOfShape it(LV); |
| 2178 | |
| 2179 | for ( ; it.More(); it.Next()) { |
| 2180 | if (V.IsSame(it.Value())) { |
| 2181 | if (Vu) return Standard_True; |
| 2182 | else Vu = Standard_True; |
| 2183 | } |
| 2184 | } |
| 2185 | if (Vu) return Standard_False; |
| 2186 | else return Standard_True; |
| 2187 | } |
| 2188 | |
| 2189 | Standard_Boolean IsSmallClosedEdge(const TopoDS_Edge& anEdge, |
| 2190 | const TopoDS_Vertex& aVertex) |
| 2191 | { |
| 2192 | gp_Pnt PV = BRep_Tool::Pnt(aVertex); |
| 2193 | gp_Pnt2d PV2d, Pfirst, Plast, Pmid; |
| 2194 | PV2d.SetCoord( PV.X(), PV.Y() ); |
| 2195 | |
| 2196 | Handle(Geom2d_Curve) PCurve; |
| 2197 | Handle( BRep_CurveRepresentation ) CurveRep = |
| 2198 | ((Handle(BRep_TEdge)::DownCast(anEdge.TShape()))->Curves()).First(); |
| 2199 | PCurve = CurveRep->PCurve(); |
| 2200 | |
| 2201 | Standard_Real fpar = (Handle(BRep_GCurve)::DownCast(CurveRep))->First(); |
| 2202 | Standard_Real lpar = (Handle(BRep_GCurve)::DownCast(CurveRep))->Last(); |
| 2203 | Pfirst = PCurve->Value(fpar); |
| 2204 | Plast = PCurve->Value(lpar); |
| 2205 | Pmid = PCurve->Value((fpar + lpar)*0.5); |
| 2206 | |
| 2207 | Standard_Real theTol = BRep_Tool::Tolerance(aVertex); |
| 2208 | theTol *= 1.5; |
| 2209 | |
| 2210 | Standard_Real dist1 = Pfirst.Distance(PV2d); |
| 2211 | Standard_Real dist2 = Plast.Distance(PV2d); |
| 2212 | Standard_Real dist3 = Pmid.Distance(PV2d); |
| 2213 | |
| 2214 | if (dist1 <= theTol && dist2 <= theTol && dist3 <= theTol) |
| 2215 | return Standard_True; |
| 2216 | |
| 2217 | return Standard_False; |
| 2218 | } |
| 2219 | |
| 2220 | static void CheckBadEdges(const TopoDS_Face& Spine, const Standard_Real Offset, |
| 2221 | const BRepMAT2d_BisectingLocus& Locus, |
| 2222 | const BRepMAT2d_LinkTopoBilo& Link, |
| 2223 | TopTools_ListOfShape& BadEdges) |
| 2224 | { |
| 2225 | |
| 2226 | TopoDS_Face F = TopoDS::Face(Spine.Oriented(TopAbs_FORWARD)); |
| 2227 | Standard_Real eps = Precision::Confusion(); |
| 2228 | Standard_Real LimCurv = 1./Offset; |
| 2229 | |
| 2230 | TopTools_MapOfShape aMap; |
| 2231 | |
| 2232 | for (Standard_Integer ic = 1; ic <= Locus.NumberOfContours(); ic++) { |
| 2233 | for (Standard_Integer ie = 1; ie <= Locus.NumberOfElts(ic); ie++) { |
| 2234 | const TopoDS_Shape& SE = Link.GeneratingShape(Locus.BasicElt(ic,ie)); |
| 2235 | if (SE.ShapeType() == TopAbs_EDGE) { |
| 2236 | |
| 2237 | if (aMap.Contains(SE)) { |
| 2238 | //cout << "Edge is treated second time" << endl; |
| 2239 | continue; |
| 2240 | } |
| 2241 | |
| 2242 | TopoDS_Edge E = TopoDS::Edge(SE); |
| 2243 | |
| 2244 | Standard_Real f,l; |
| 2245 | |
| 2246 | Handle(Geom2d_Curve) G2d = BRep_Tool::CurveOnSurface(E,F,f,l); |
| 2247 | |
| 2248 | Geom2dAdaptor_Curve AC(G2d,f,l); |
| 2249 | GeomAbs_CurveType aCType = AC.GetType(); |
| 2250 | |
| 2251 | if(aCType != GeomAbs_Line && aCType != GeomAbs_Circle) { |
| 2252 | |
| 2253 | Standard_Boolean reverse = Standard_False; |
| 2254 | if (E.Orientation() == TopAbs_FORWARD) reverse = Standard_True; |
| 2255 | |
| 2256 | gp_Pnt2d P, Pc; |
| 2257 | gp_Dir2d N; |
| 2258 | |
| 2259 | Geom2dLProp_CLProps2d aCLProps(G2d, 2, eps); |
| 2260 | |
| 2261 | aCLProps.SetParameter(f); |
| 2262 | if(!aCLProps.IsTangentDefined()) { |
| 2263 | BadEdges.Append(SE); |
| 2264 | aMap.Add(SE); |
| 2265 | continue; |
| 2266 | } |
| 2267 | |
| 2268 | P = aCLProps.Value(); |
| 2269 | Standard_Real Crv = aCLProps.Curvature(); |
| 2270 | |
| 2271 | if(Crv >= eps) { |
| 2272 | aCLProps.Tangent(N); |
| 2273 | Standard_Real x = N.Y(), y = -N.X(); |
| 2274 | N.SetCoord(x, y); |
| 2275 | if (reverse) N.Reverse(); |
| 2276 | aCLProps.CentreOfCurvature(Pc); |
| 2277 | gp_Vec2d Dir( P, Pc ); |
| 2278 | if (N.Dot(Dir) > 0.) { |
| 2279 | if (LimCurv <= Crv + eps) { |
| 2280 | BadEdges.Append(SE); |
| 2281 | aMap.Add(SE); |
| 2282 | continue; |
| 2283 | } |
| 2284 | } |
| 2285 | } |
| 2286 | |
| 2287 | aCLProps.SetParameter(l); |
| 2288 | if(!aCLProps.IsTangentDefined()) { |
| 2289 | BadEdges.Append(SE); |
| 2290 | aMap.Add(SE); |
| 2291 | continue; |
| 2292 | } |
| 2293 | |
| 2294 | P = aCLProps.Value(); |
| 2295 | Crv = aCLProps.Curvature(); |
| 2296 | |
| 2297 | if(Crv >= eps) { |
| 2298 | aCLProps.Tangent(N); |
| 2299 | Standard_Real x = N.Y(), y = -N.X(); |
| 2300 | N.SetCoord(x, y); |
| 2301 | if (reverse) N.Reverse(); |
| 2302 | aCLProps.CentreOfCurvature(Pc); |
| 2303 | gp_Vec2d Dir( P, Pc ); |
| 2304 | if (N.Dot(Dir) > 0.) { |
| 2305 | if (LimCurv <= Crv + eps) { |
| 2306 | BadEdges.Append(SE); |
| 2307 | aMap.Add(SE); |
| 2308 | continue; |
| 2309 | } |
| 2310 | } |
| 2311 | } |
| 2312 | } |
| 2313 | } |
| 2314 | } |
| 2315 | } |
| 2316 | } |
| 2317 | |
| 2318 | |
| 2319 | //======================================================================= |
| 2320 | //function : PerformCurve |
| 2321 | //purpose : |
| 2322 | //======================================================================= |
| 2323 | |
| 2324 | static Standard_Boolean PerformCurve (TColStd_SequenceOfReal& Parameters, |
| 2325 | TColgp_SequenceOfPnt& Points, |
| 2326 | const Adaptor3d_Curve& C, |
| 2327 | const Standard_Real Deflection, |
| 2328 | const Standard_Real U1, |
| 2329 | const Standard_Real U2, |
| 2330 | const Standard_Real EPSILON, |
| 2331 | const Standard_Integer Nbmin) |
| 2332 | { |
| 2333 | Standard_Real UU1 = Min(U1, U2); |
| 2334 | Standard_Real UU2 = Max(U1, U2); |
| 2335 | |
| 2336 | gp_Pnt Pdeb, Pfin; |
| 2337 | gp_Vec Ddeb,Dfin; |
| 2338 | C.D1(UU1,Pdeb,Ddeb); |
| 2339 | Parameters.Append(UU1); |
| 2340 | Points.Append(Pdeb); |
| 2341 | |
| 2342 | C.D1(UU2,Pfin,Dfin); |
| 2343 | |
| 2344 | const Standard_Real aDelta = UU2 - UU1; |
| 2345 | const Standard_Real aDist = Pdeb.Distance(Pfin); |
| 2346 | |
| 2347 | if((aDelta/aDist) > 5.0e-14) |
| 2348 | { |
| 2349 | QuasiFleche(C,Deflection*Deflection, |
| 2350 | UU1,Pdeb, |
| 2351 | Ddeb, |
| 2352 | UU2,Pfin, |
| 2353 | Dfin, |
| 2354 | Nbmin, |
| 2355 | EPSILON*EPSILON, |
| 2356 | Parameters,Points); |
| 2357 | } |
| 2358 | |
| 2359 | return Standard_True; |
| 2360 | } |
| 2361 | //======================================================================= |
| 2362 | //function : QuasiFleche |
| 2363 | //purpose : |
| 2364 | //======================================================================= |
| 2365 | |
| 2366 | static void QuasiFleche(const Adaptor3d_Curve& C, |
| 2367 | const Standard_Real Deflection2, |
| 2368 | const Standard_Real Udeb, |
| 2369 | const gp_Pnt& Pdeb, |
| 2370 | const gp_Vec& Vdeb, |
| 2371 | const Standard_Real Ufin, |
| 2372 | const gp_Pnt& Pfin, |
| 2373 | const gp_Vec& Vfin, |
| 2374 | const Standard_Integer Nbmin, |
| 2375 | const Standard_Real Eps, |
| 2376 | TColStd_SequenceOfReal& Parameters, |
| 2377 | TColgp_SequenceOfPnt& Points) |
| 2378 | { |
| 2379 | Standard_Integer Ptslength = Points.Length(); |
| 2380 | Standard_Real Udelta = Ufin-Udeb; |
| 2381 | gp_Pnt Pdelta; |
| 2382 | gp_Vec Vdelta; |
| 2383 | if (Nbmin > 2) { |
| 2384 | Udelta /=(Nbmin-1); |
| 2385 | C.D1(Udeb+Udelta,Pdelta,Vdelta); |
| 2386 | } |
| 2387 | else { |
| 2388 | Pdelta = Pfin; |
| 2389 | Vdelta = Vfin; |
| 2390 | } |
| 2391 | |
| 2392 | |
| 2393 | Standard_Real Norme = gp_Vec(Pdeb,Pdelta).SquareMagnitude(); |
| 2394 | Standard_Real theFleche=0; |
| 2395 | Standard_Boolean flecheok = Standard_False; |
| 2396 | if (Norme > Eps) { |
| 2397 | // Evaluation of the arrow by interpolation. See IntWalk_IWalking_5.gxx |
| 2398 | Standard_Real N1 = Vdeb.SquareMagnitude(); |
| 2399 | Standard_Real N2 = Vdelta.SquareMagnitude(); |
| 2400 | if (N1 > Eps && N2 > Eps) { |
| 2401 | Standard_Real Normediff = |
| 2402 | (Vdeb.Normalized().XYZ()-Vdelta.Normalized().XYZ()).SquareModulus(); |
| 2403 | if (Normediff > Eps) { |
| 2404 | theFleche = Normediff*Norme/64.; |
| 2405 | flecheok = Standard_True; |
| 2406 | } |
| 2407 | } |
| 2408 | } |
| 2409 | if (!flecheok) { |
| 2410 | gp_Pnt Pmid((Pdeb.XYZ()+Pdelta.XYZ())/2.); |
| 2411 | gp_Pnt Pverif(C.Value(Udeb+Udelta/2.)); |
| 2412 | theFleche = Pmid.SquareDistance(Pverif); |
| 2413 | } |
| 2414 | |
| 2415 | if (theFleche < Deflection2) { |
| 2416 | Parameters.Append(Udeb+Udelta); |
| 2417 | Points.Append(Pdelta); |
| 2418 | } |
| 2419 | else { |
| 2420 | QuasiFleche(C,Deflection2,Udeb,Pdeb, |
| 2421 | Vdeb, |
| 2422 | Udeb+Udelta,Pdelta, |
| 2423 | Vdelta, |
| 2424 | 3, |
| 2425 | Eps, |
| 2426 | Parameters,Points); |
| 2427 | |
| 2428 | } |
| 2429 | |
| 2430 | if (Nbmin > 2) { |
| 2431 | QuasiFleche(C,Deflection2,Udeb+Udelta,Pdelta, |
| 2432 | Vdelta, |
| 2433 | Ufin,Pfin, |
| 2434 | Vfin, |
| 2435 | Nbmin-(Points.Length()-Ptslength), |
| 2436 | Eps, |
| 2437 | Parameters,Points); |
| 2438 | } |
| 2439 | } |
| 2440 | |