| 1 | // Created on: 2012-06-09 |
| 2 | // Created by: jgv@ROLEX |
| 3 | // Copyright (c) 2012-2014 OPEN CASCADE SAS |
| 4 | // |
| 5 | // This file is part of Open CASCADE Technology software library. |
| 6 | // |
| 7 | // This library is free software; you can redistribute it and/or modify it under |
| 8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
| 9 | // by the Free Software Foundation, with special exception defined in the file |
| 10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 11 | // distribution for complete text of the license and disclaimer of any warranty. |
| 12 | // |
| 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 14 | // commercial license or contractual agreement. |
| 15 | |
| 16 | |
| 17 | #include <BRep_Builder.hxx> |
| 18 | #include <BRep_CurveRepresentation.hxx> |
| 19 | #include <BRep_ListIteratorOfListOfCurveRepresentation.hxx> |
| 20 | #include <BRep_TEdge.hxx> |
| 21 | #include <BRep_Tool.hxx> |
| 22 | #include <BRepLib.hxx> |
| 23 | #include <BRepLib_MakeEdge.hxx> |
| 24 | #include <BRepTopAdaptor_TopolTool.hxx> |
| 25 | #include <GC_MakeCircle.hxx> |
| 26 | #include <Geom2d_Line.hxx> |
| 27 | #include <Geom2d_TrimmedCurve.hxx> |
| 28 | #include <Geom2dConvert.hxx> |
| 29 | #include <Geom2dConvert_CompCurveToBSplineCurve.hxx> |
| 30 | #include <Geom_BezierCurve.hxx> |
| 31 | #include <Geom_BSplineCurve.hxx> |
| 32 | #include <Geom_Circle.hxx> |
| 33 | #include <Geom_CylindricalSurface.hxx> |
| 34 | #include <Geom_ElementarySurface.hxx> |
| 35 | #include <Geom_Line.hxx> |
| 36 | #include <Geom_OffsetSurface.hxx> |
| 37 | #include <Geom_RectangularTrimmedSurface.hxx> |
| 38 | #include <Geom_Surface.hxx> |
| 39 | #include <Geom_SurfaceOfLinearExtrusion.hxx> |
| 40 | #include <Geom_SurfaceOfRevolution.hxx> |
| 41 | #include <Geom_SweptSurface.hxx> |
| 42 | #include <Geom_TrimmedCurve.hxx> |
| 43 | #include <GeomAdaptor_HSurface.hxx> |
| 44 | #include <GeomConvert.hxx> |
| 45 | #include <GeomConvert_CompCurveToBSplineCurve.hxx> |
| 46 | #include <GeomLib_IsPlanarSurface.hxx> |
| 47 | #include <gp_Cylinder.hxx> |
| 48 | #include <gp_Dir.hxx> |
| 49 | #include <gp_Lin.hxx> |
| 50 | #include <IntPatch_ImpImpIntersection.hxx> |
| 51 | #include <ShapeAnalysis_Edge.hxx> |
| 52 | #include <ShapeAnalysis_WireOrder.hxx> |
| 53 | #include <ShapeBuild_Edge.hxx> |
| 54 | #include <ShapeBuild_ReShape.hxx> |
| 55 | #include <ShapeExtend_CompositeSurface.hxx> |
| 56 | #include <ShapeFix_ComposeShell.hxx> |
| 57 | #include <ShapeFix_Edge.hxx> |
| 58 | #include <ShapeFix_Face.hxx> |
| 59 | #include <ShapeFix_SequenceOfWireSegment.hxx> |
| 60 | #include <ShapeFix_Shell.hxx> |
| 61 | #include <ShapeFix_Wire.hxx> |
| 62 | #include <ShapeFix_WireSegment.hxx> |
| 63 | #include <ShapeUpgrade_RemoveLocations.hxx> |
| 64 | #include <ShapeUpgrade_UnifySameDomain.hxx> |
| 65 | #include <Standard_Type.hxx> |
| 66 | #include <TColGeom2d_Array1OfBSplineCurve.hxx> |
| 67 | #include <TColGeom2d_HArray1OfBSplineCurve.hxx> |
| 68 | #include <TColGeom2d_SequenceOfBoundedCurve.hxx> |
| 69 | #include <TColGeom_Array1OfBSplineCurve.hxx> |
| 70 | #include <TColGeom_HArray1OfBSplineCurve.hxx> |
| 71 | #include <TColGeom_HArray2OfSurface.hxx> |
| 72 | #include <TColGeom_SequenceOfSurface.hxx> |
| 73 | #include <TColStd_Array1OfReal.hxx> |
| 74 | #include <TColStd_MapOfInteger.hxx> |
| 75 | #include <TopExp.hxx> |
| 76 | #include <TopExp_Explorer.hxx> |
| 77 | #include <TopoDS.hxx> |
| 78 | #include <TopoDS_Edge.hxx> |
| 79 | #include <TopoDS_Face.hxx> |
| 80 | #include <TopoDS_Shape.hxx> |
| 81 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> |
| 82 | #include <TopTools_IndexedMapOfShape.hxx> |
| 83 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
| 84 | #include <TopTools_MapOfShape.hxx> |
| 85 | #include <TopTools_SequenceOfShape.hxx> |
| 86 | #include <gp_Circ.hxx> |
| 87 | #include <BRepAdaptor_Curve.hxx> |
| 88 | |
| 89 | struct SubSequenceOfEdges |
| 90 | { |
| 91 | TopTools_SequenceOfShape SeqsEdges; |
| 92 | TopoDS_Edge UnionEdges; |
| 93 | }; |
| 94 | |
| 95 | |
| 96 | //======================================================================= |
| 97 | //function : AddOrdinaryEdges |
| 98 | //purpose : auxilary |
| 99 | //======================================================================= |
| 100 | // adds edges from the shape to the sequence |
| 101 | // seams and equal edges are dropped |
| 102 | // Returns true if one of original edges dropped |
| 103 | static Standard_Boolean AddOrdinaryEdges(TopTools_SequenceOfShape& edges, |
| 104 | const TopoDS_Shape aShape, |
| 105 | Standard_Integer& anIndex) |
| 106 | { |
| 107 | //map of edges |
| 108 | TopTools_IndexedMapOfShape aNewEdges; |
| 109 | //add edges without seams |
| 110 | for(TopExp_Explorer exp(aShape,TopAbs_EDGE); exp.More(); exp.Next()) { |
| 111 | TopoDS_Shape edge = exp.Current(); |
| 112 | if(aNewEdges.Contains(edge)) |
| 113 | { |
| 114 | //aNewEdges.Remove(edge); |
| 115 | TopoDS_Shape LastEdge = aNewEdges(aNewEdges.Extent()); |
| 116 | aNewEdges.RemoveLast(); |
| 117 | if (aNewEdges.FindIndex(edge) != 0) |
| 118 | aNewEdges.Substitute(aNewEdges.FindIndex(edge), LastEdge); |
| 119 | ///////////////////////// |
| 120 | } |
| 121 | else |
| 122 | aNewEdges.Add(edge); |
| 123 | } |
| 124 | |
| 125 | Standard_Boolean isDropped = Standard_False; |
| 126 | //merge edges and drop seams |
| 127 | Standard_Integer i; |
| 128 | for (i = 1; i <= edges.Length(); i++) { |
| 129 | TopoDS_Shape current = edges(i); |
| 130 | if(aNewEdges.Contains(current)) { |
| 131 | |
| 132 | //aNewEdges.Remove(current); |
| 133 | TopoDS_Shape LastEdge = aNewEdges(aNewEdges.Extent()); |
| 134 | aNewEdges.RemoveLast(); |
| 135 | if (aNewEdges.FindIndex(current) != 0) |
| 136 | aNewEdges.Substitute(aNewEdges.FindIndex(current), LastEdge); |
| 137 | ///////////////////////// |
| 138 | edges.Remove(i); |
| 139 | i--; |
| 140 | |
| 141 | if(!isDropped) { |
| 142 | isDropped = Standard_True; |
| 143 | anIndex = i; |
| 144 | } |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | //add edges to the sequemce |
| 149 | for (i = 1; i <= aNewEdges.Extent(); i++) |
| 150 | edges.Append(aNewEdges(i)); |
| 151 | |
| 152 | return isDropped; |
| 153 | } |
| 154 | |
| 155 | //======================================================================= |
| 156 | //function : getCylinder |
| 157 | //purpose : auxilary |
| 158 | //======================================================================= |
| 159 | static Standard_Boolean getCylinder(Handle(Geom_Surface)& theInSurface, |
| 160 | gp_Cylinder& theOutCylinder) |
| 161 | { |
| 162 | Standard_Boolean isCylinder = Standard_False; |
| 163 | |
| 164 | if (theInSurface->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))) { |
| 165 | Handle(Geom_CylindricalSurface) aGC = Handle(Geom_CylindricalSurface)::DownCast(theInSurface); |
| 166 | |
| 167 | theOutCylinder = aGC->Cylinder(); |
| 168 | isCylinder = Standard_True; |
| 169 | } |
| 170 | else if (theInSurface->IsKind(STANDARD_TYPE(Geom_SurfaceOfRevolution))) { |
| 171 | Handle(Geom_SurfaceOfRevolution) aRS = |
| 172 | Handle(Geom_SurfaceOfRevolution)::DownCast(theInSurface); |
| 173 | Handle(Geom_Curve) aBasis = aRS->BasisCurve(); |
| 174 | if (aBasis->IsKind(STANDARD_TYPE(Geom_Line))) { |
| 175 | Handle(Geom_Line) aBasisLine = Handle(Geom_Line)::DownCast(aBasis); |
| 176 | gp_Dir aDir = aRS->Direction(); |
| 177 | gp_Dir aBasisDir = aBasisLine->Position().Direction(); |
| 178 | if (aBasisDir.IsParallel(aDir, Precision::Angular())) { |
| 179 | // basis line is parallel to the revolution axis: it is a cylinder |
| 180 | gp_Pnt aLoc = aRS->Location(); |
| 181 | Standard_Real aR = aBasisLine->Lin().Distance(aLoc); |
| 182 | gp_Ax3 aCylAx (aLoc, aDir); |
| 183 | |
| 184 | theOutCylinder = gp_Cylinder(aCylAx, aR); |
| 185 | isCylinder = Standard_True; |
| 186 | } |
| 187 | } |
| 188 | } |
| 189 | else if (theInSurface->IsKind(STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion))) { |
| 190 | Handle(Geom_SurfaceOfLinearExtrusion) aLES = |
| 191 | Handle(Geom_SurfaceOfLinearExtrusion)::DownCast(theInSurface); |
| 192 | Handle(Geom_Curve) aBasis = aLES->BasisCurve(); |
| 193 | if (aBasis->IsKind(STANDARD_TYPE(Geom_Circle))) { |
| 194 | Handle(Geom_Circle) aBasisCircle = Handle(Geom_Circle)::DownCast(aBasis); |
| 195 | gp_Dir aDir = aLES->Direction(); |
| 196 | gp_Dir aBasisDir = aBasisCircle->Position().Direction(); |
| 197 | if (aBasisDir.IsParallel(aDir, Precision::Angular())) { |
| 198 | // basis circle is normal to the extrusion axis: it is a cylinder |
| 199 | gp_Pnt aLoc = aBasisCircle->Location(); |
| 200 | Standard_Real aR = aBasisCircle->Radius(); |
| 201 | gp_Ax3 aCylAx (aLoc, aDir); |
| 202 | |
| 203 | theOutCylinder = gp_Cylinder(aCylAx, aR); |
| 204 | isCylinder = Standard_True; |
| 205 | } |
| 206 | } |
| 207 | } |
| 208 | else { |
| 209 | } |
| 210 | |
| 211 | return isCylinder; |
| 212 | } |
| 213 | |
| 214 | //======================================================================= |
| 215 | //function : ClearRts |
| 216 | //purpose : auxilary |
| 217 | //======================================================================= |
| 218 | static Handle(Geom_Surface) ClearRts(const Handle(Geom_Surface)& aSurface) |
| 219 | { |
| 220 | if(aSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) { |
| 221 | Handle(Geom_RectangularTrimmedSurface) rts = |
| 222 | Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface); |
| 223 | return rts->BasisSurface(); |
| 224 | } |
| 225 | return aSurface; |
| 226 | } |
| 227 | |
| 228 | //======================================================================= |
| 229 | //function : IsSameDomain |
| 230 | //purpose : |
| 231 | //======================================================================= |
| 232 | static Standard_Boolean IsSameDomain(const TopoDS_Face& aFace, |
| 233 | const TopoDS_Face& aCheckedFace) |
| 234 | { |
| 235 | //checking the same handles |
| 236 | TopLoc_Location L1, L2; |
| 237 | Handle(Geom_Surface) S1, S2; |
| 238 | |
| 239 | S1 = BRep_Tool::Surface(aFace,L1); |
| 240 | S2 = BRep_Tool::Surface(aCheckedFace,L2); |
| 241 | |
| 242 | if (S1 == S2 && L1 == L2) |
| 243 | return Standard_True; |
| 244 | |
| 245 | // planar and cylindrical cases (IMP 20052) |
| 246 | Standard_Real aPrec = Precision::Confusion(); |
| 247 | |
| 248 | S1 = BRep_Tool::Surface(aFace); |
| 249 | S2 = BRep_Tool::Surface(aCheckedFace); |
| 250 | |
| 251 | S1 = ClearRts(S1); |
| 252 | S2 = ClearRts(S2); |
| 253 | |
| 254 | //Handle(Geom_OffsetSurface) aGOFS1, aGOFS2; |
| 255 | //aGOFS1 = Handle(Geom_OffsetSurface)::DownCast(S1); |
| 256 | //aGOFS2 = Handle(Geom_OffsetSurface)::DownCast(S2); |
| 257 | //if (!aGOFS1.IsNull()) S1 = aGOFS1->BasisSurface(); |
| 258 | //if (!aGOFS2.IsNull()) S2 = aGOFS2->BasisSurface(); |
| 259 | |
| 260 | // case of two elementary surfaces: use OCCT tool |
| 261 | // elementary surfaces: ConicalSurface, CylindricalSurface, |
| 262 | // Plane, SphericalSurface and ToroidalSurface |
| 263 | if (S1->IsKind(STANDARD_TYPE(Geom_ElementarySurface)) && |
| 264 | S2->IsKind(STANDARD_TYPE(Geom_ElementarySurface))) |
| 265 | { |
| 266 | Handle(GeomAdaptor_HSurface) aGA1 = new GeomAdaptor_HSurface(S1); |
| 267 | Handle(GeomAdaptor_HSurface) aGA2 = new GeomAdaptor_HSurface(S2); |
| 268 | |
| 269 | Handle(BRepTopAdaptor_TopolTool) aTT1 = new BRepTopAdaptor_TopolTool(); |
| 270 | Handle(BRepTopAdaptor_TopolTool) aTT2 = new BRepTopAdaptor_TopolTool(); |
| 271 | |
| 272 | try { |
| 273 | IntPatch_ImpImpIntersection anIIInt (aGA1, aTT1, aGA2, aTT2, aPrec, aPrec); |
| 274 | if (!anIIInt.IsDone() || anIIInt.IsEmpty()) |
| 275 | return Standard_False; |
| 276 | |
| 277 | return anIIInt.TangentFaces(); |
| 278 | } |
| 279 | catch (Standard_Failure) { |
| 280 | return Standard_False; |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | // case of two planar surfaces: |
| 285 | // all kinds of surfaces checked, including b-spline and bezier |
| 286 | GeomLib_IsPlanarSurface aPlanarityChecker1 (S1, aPrec); |
| 287 | if (aPlanarityChecker1.IsPlanar()) { |
| 288 | GeomLib_IsPlanarSurface aPlanarityChecker2 (S2, aPrec); |
| 289 | if (aPlanarityChecker2.IsPlanar()) { |
| 290 | gp_Pln aPln1 = aPlanarityChecker1.Plan(); |
| 291 | gp_Pln aPln2 = aPlanarityChecker2.Plan(); |
| 292 | |
| 293 | if (aPln1.Position().Direction().IsParallel(aPln2.Position().Direction(),Precision::Angular()) && |
| 294 | aPln1.Distance(aPln2) < aPrec) { |
| 295 | return Standard_True; |
| 296 | } |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | // case of two cylindrical surfaces, at least one of which is a swept surface |
| 301 | // swept surfaces: SurfaceOfLinearExtrusion, SurfaceOfRevolution |
| 302 | if ((S1->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)) || |
| 303 | S1->IsKind(STANDARD_TYPE(Geom_SweptSurface))) && |
| 304 | (S2->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)) || |
| 305 | S2->IsKind(STANDARD_TYPE(Geom_SweptSurface)))) |
| 306 | { |
| 307 | gp_Cylinder aCyl1, aCyl2; |
| 308 | if (getCylinder(S1, aCyl1) && getCylinder(S2, aCyl2)) { |
| 309 | if (fabs(aCyl1.Radius() - aCyl2.Radius()) < aPrec) { |
| 310 | gp_Dir aDir1 = aCyl1.Position().Direction(); |
| 311 | gp_Dir aDir2 = aCyl2.Position().Direction(); |
| 312 | if (aDir1.IsParallel(aDir2, Precision::Angular())) { |
| 313 | gp_Pnt aLoc1 = aCyl1.Location(); |
| 314 | gp_Pnt aLoc2 = aCyl2.Location(); |
| 315 | gp_Vec aVec12 (aLoc1, aLoc2); |
| 316 | if (aVec12.SquareMagnitude() < aPrec*aPrec || |
| 317 | aVec12.IsParallel(aDir1, Precision::Angular())) { |
| 318 | return Standard_True; |
| 319 | } |
| 320 | } |
| 321 | } |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | return Standard_False; |
| 326 | } |
| 327 | |
| 328 | //======================================================================= |
| 329 | //function : MovePCurves |
| 330 | //purpose : |
| 331 | //======================================================================= |
| 332 | static void MovePCurves(TopoDS_Face& aTarget, |
| 333 | const TopoDS_Face& aSource) |
| 334 | { |
| 335 | BRep_Builder B; |
| 336 | for(TopExp_Explorer wexp(aSource,TopAbs_WIRE);wexp.More();wexp.Next()) { |
| 337 | Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire(TopoDS::Wire(wexp.Current()), |
| 338 | aTarget, Precision::Confusion()); |
| 339 | sfw->FixReorder(); |
| 340 | Standard_Boolean isReoredFailed = sfw->StatusReorder ( ShapeExtend_FAIL ); |
| 341 | sfw->FixEdgeCurves(); |
| 342 | if(isReoredFailed) |
| 343 | continue; |
| 344 | |
| 345 | sfw->FixShifted(); |
| 346 | sfw->FixDegenerated(); |
| 347 | |
| 348 | // remove degenerated edges from not degenerated points |
| 349 | ShapeAnalysis_Edge sae; |
| 350 | Handle(ShapeExtend_WireData) sewd = sfw->WireData(); |
| 351 | for(Standard_Integer i = 1; i<=sewd->NbEdges();i++) { |
| 352 | TopoDS_Edge E = sewd->Edge(i); |
| 353 | if(BRep_Tool::Degenerated(E)&&!sae.HasPCurve(E,aTarget)) { |
| 354 | sewd->Remove(i); |
| 355 | i--; |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | TopoDS_Wire ResWire = sfw->Wire(); |
| 360 | B.Add(aTarget,ResWire); |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | //======================================================================= |
| 365 | //function : GlueEdgesWithPCurves |
| 366 | //purpose : Glues the pcurves of the sequence of edges |
| 367 | // and glues their 3d curves |
| 368 | //======================================================================= |
| 369 | static TopoDS_Edge GlueEdgesWithPCurves(const TopTools_SequenceOfShape& aChain, |
| 370 | const TopoDS_Vertex& FirstVertex, |
| 371 | const TopoDS_Vertex& LastVertex) |
| 372 | { |
| 373 | Standard_Integer i, j; |
| 374 | |
| 375 | TopoDS_Edge FirstEdge = TopoDS::Edge(aChain(1)); |
| 376 | //TColGeom2d_SequenceOfCurve PCurveSeq; |
| 377 | TColGeom_SequenceOfSurface SurfSeq; |
| 378 | //TopTools_SequenceOfShape LocSeq; |
| 379 | |
| 380 | BRep_ListIteratorOfListOfCurveRepresentation itr( (Handle(BRep_TEdge)::DownCast(FirstEdge.TShape()))->Curves() ); |
| 381 | for (; itr.More(); itr.Next()) |
| 382 | { |
| 383 | Handle(BRep_CurveRepresentation) CurveRep = itr.Value(); |
| 384 | if (CurveRep->IsCurveOnSurface()) |
| 385 | { |
| 386 | //PCurveSeq.Append(CurveRep->PCurve()); |
| 387 | SurfSeq.Append(CurveRep->Surface()); |
| 388 | /* |
| 389 | TopoDS_Shape aLocShape; |
| 390 | aLocShape.Location(CurveRep->Location()); |
| 391 | LocSeq.Append(aLocShape); |
| 392 | */ |
| 393 | } |
| 394 | } |
| 395 | |
| 396 | Standard_Real fpar, lpar; |
| 397 | BRep_Tool::Range(FirstEdge, fpar, lpar); |
| 398 | TopoDS_Edge PrevEdge = FirstEdge; |
| 399 | TopoDS_Vertex CV; |
| 400 | Standard_Real MaxTol = 0.; |
| 401 | |
| 402 | TopoDS_Edge ResEdge; |
| 403 | BRep_Builder BB; |
| 404 | |
| 405 | Standard_Integer nb_curve = aChain.Length(); //number of curves |
| 406 | TColGeom_Array1OfBSplineCurve tab_c3d(0,nb_curve-1); //array of the curves |
| 407 | TColStd_Array1OfReal tabtolvertex(0,nb_curve-1); //(0,nb_curve-2); //array of the tolerances |
| 408 | |
| 409 | TopoDS_Vertex PrevVertex = FirstVertex; |
| 410 | for (i = 1; i <= nb_curve; i++) |
| 411 | { |
| 412 | TopoDS_Edge anEdge = TopoDS::Edge(aChain(i)); |
| 413 | TopoDS_Vertex VF, VL; |
| 414 | TopExp::Vertices(anEdge, VF, VL); |
| 415 | Standard_Boolean ToReverse = (!VF.IsSame(PrevVertex)); |
| 416 | |
| 417 | Standard_Real Tol1 = BRep_Tool::Tolerance(VF); |
| 418 | Standard_Real Tol2 = BRep_Tool::Tolerance(VL); |
| 419 | if (Tol1 > MaxTol) |
| 420 | MaxTol = Tol1; |
| 421 | if (Tol2 > MaxTol) |
| 422 | MaxTol = Tol2; |
| 423 | |
| 424 | if (i > 1) |
| 425 | { |
| 426 | TopExp::CommonVertex(PrevEdge, anEdge, CV); |
| 427 | Standard_Real Tol = BRep_Tool::Tolerance(CV); |
| 428 | tabtolvertex(i-2) = Tol; |
| 429 | } |
| 430 | |
| 431 | Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, fpar, lpar); |
| 432 | Handle(Geom_TrimmedCurve) aTrCurve = new Geom_TrimmedCurve(aCurve, fpar, lpar); |
| 433 | tab_c3d(i-1) = GeomConvert::CurveToBSplineCurve(aTrCurve); |
| 434 | GeomConvert::C0BSplineToC1BSplineCurve(tab_c3d(i-1), Precision::Confusion()); |
| 435 | if (ToReverse) |
| 436 | tab_c3d(i-1)->Reverse(); |
| 437 | PrevVertex = (ToReverse)? VF : VL; |
| 438 | PrevEdge = anEdge; |
| 439 | } |
| 440 | Handle(TColGeom_HArray1OfBSplineCurve) concatcurve; //array of the concatenated curves |
| 441 | Handle(TColStd_HArray1OfInteger) ArrayOfIndices; //array of the remining Vertex |
| 442 | GeomConvert::ConcatC1(tab_c3d, |
| 443 | tabtolvertex, |
| 444 | ArrayOfIndices, |
| 445 | concatcurve, |
| 446 | Standard_False, |
| 447 | Precision::Confusion()); //C1 concatenation |
| 448 | |
| 449 | if (concatcurve->Length() > 1) |
| 450 | { |
| 451 | GeomConvert_CompCurveToBSplineCurve Concat(concatcurve->Value(concatcurve->Lower())); |
| 452 | |
| 453 | for (i = concatcurve->Lower()+1; i <= concatcurve->Upper(); i++) |
| 454 | Concat.Add( concatcurve->Value(i), MaxTol, Standard_True ); |
| 455 | |
| 456 | concatcurve->SetValue(concatcurve->Lower(), Concat.BSplineCurve()); |
| 457 | } |
| 458 | Handle(Geom_BSplineCurve) ResCurve = concatcurve->Value(concatcurve->Lower()); |
| 459 | |
| 460 | TColGeom2d_SequenceOfBoundedCurve ResPCurves; |
| 461 | TopLoc_Location aLoc; |
| 462 | for (j = 1; j <= SurfSeq.Length(); j++) |
| 463 | { |
| 464 | TColGeom2d_Array1OfBSplineCurve tab_c2d(0,nb_curve-1); //array of the pcurves |
| 465 | |
| 466 | PrevVertex = FirstVertex; |
| 467 | PrevEdge = FirstEdge; |
| 468 | //TopLoc_Location theLoc = LocSeq(j).Location(); |
| 469 | for (i = 1; i <= nb_curve; i++) |
| 470 | { |
| 471 | TopoDS_Edge anEdge = TopoDS::Edge(aChain(i)); |
| 472 | TopoDS_Vertex VF, VL; |
| 473 | TopExp::Vertices(anEdge, VF, VL); |
| 474 | Standard_Boolean ToReverse = (!VF.IsSame(PrevVertex)); |
| 475 | |
| 476 | /* |
| 477 | Handle(Geom2d_Curve) aPCurve = |
| 478 | BRep_Tool::CurveOnSurface(anEdge, SurfSeq(j), anEdge.Location()*theLoc, fpar, lpar); |
| 479 | */ |
| 480 | Handle(Geom2d_Curve) aPCurve = |
| 481 | BRep_Tool::CurveOnSurface(anEdge, SurfSeq(j), aLoc, fpar, lpar); |
| 482 | Handle(Geom2d_TrimmedCurve) aTrPCurve = new Geom2d_TrimmedCurve(aPCurve, fpar, lpar); |
| 483 | tab_c2d(i-1) = Geom2dConvert::CurveToBSplineCurve(aTrPCurve); |
| 484 | Geom2dConvert::C0BSplineToC1BSplineCurve(tab_c2d(i-1), Precision::Confusion()); |
| 485 | if (ToReverse) |
| 486 | tab_c2d(i-1)->Reverse(); |
| 487 | PrevVertex = (ToReverse)? VF : VL; |
| 488 | PrevEdge = anEdge; |
| 489 | } |
| 490 | Handle(TColGeom2d_HArray1OfBSplineCurve) concatc2d; //array of the concatenated curves |
| 491 | Handle(TColStd_HArray1OfInteger) ArrayOfInd2d; //array of the remining Vertex |
| 492 | Geom2dConvert::ConcatC1(tab_c2d, |
| 493 | tabtolvertex, |
| 494 | ArrayOfInd2d, |
| 495 | concatc2d, |
| 496 | Standard_False, |
| 497 | Precision::Confusion()); //C1 concatenation |
| 498 | |
| 499 | if (concatc2d->Length() > 1) |
| 500 | { |
| 501 | Geom2dConvert_CompCurveToBSplineCurve Concat2d(concatc2d->Value(concatc2d->Lower())); |
| 502 | |
| 503 | for (i = concatc2d->Lower()+1; i <= concatc2d->Upper(); i++) |
| 504 | Concat2d.Add( concatc2d->Value(i), MaxTol, Standard_True ); |
| 505 | |
| 506 | concatc2d->SetValue(concatc2d->Lower(), Concat2d.BSplineCurve()); |
| 507 | } |
| 508 | Handle(Geom2d_BSplineCurve) aResPCurve = concatc2d->Value(concatc2d->Lower()); |
| 509 | ResPCurves.Append(aResPCurve); |
| 510 | } |
| 511 | |
| 512 | ResEdge = BRepLib_MakeEdge(ResCurve, |
| 513 | FirstVertex, LastVertex, |
| 514 | ResCurve->FirstParameter(), ResCurve->LastParameter()); |
| 515 | BB.SameRange(ResEdge, Standard_False); |
| 516 | BB.SameParameter(ResEdge, Standard_False); |
| 517 | for (j = 1; j <= ResPCurves.Length(); j++) |
| 518 | { |
| 519 | BB.UpdateEdge(ResEdge, ResPCurves(j), SurfSeq(j), aLoc, MaxTol); |
| 520 | BB.Range(ResEdge, SurfSeq(j), aLoc, ResPCurves(j)->FirstParameter(), ResPCurves(j)->LastParameter()); |
| 521 | } |
| 522 | |
| 523 | BRepLib::SameParameter(ResEdge, MaxTol, Standard_True); |
| 524 | |
| 525 | return ResEdge; |
| 526 | } |
| 527 | |
| 528 | static Standard_Boolean MergeSubSeq(const TopTools_SequenceOfShape& aChain, TopoDS_Edge& OutEdge, double Tol, Standard_Boolean ConcatBSplines) |
| 529 | { |
| 530 | ShapeAnalysis_Edge sae; |
| 531 | BRep_Builder B; |
| 532 | // union edges in chain |
| 533 | int j; |
| 534 | Standard_Real fp1,lp1,fp2,lp2; |
| 535 | Standard_Boolean IsUnionOfLinesPossible = Standard_True; |
| 536 | Standard_Boolean IsUnionOfCirclesPossible = Standard_True; |
| 537 | Handle(Geom_Curve) c3d1, c3d2; |
| 538 | for(j=1; j<aChain.Length(); j++) |
| 539 | { |
| 540 | TopoDS_Edge edge1 = TopoDS::Edge(aChain.Value(j)); |
| 541 | c3d1 = BRep_Tool::Curve(edge1,fp1,lp1); |
| 542 | |
| 543 | TopoDS_Edge edge2 = TopoDS::Edge(aChain.Value(j+1)); |
| 544 | c3d2 = BRep_Tool::Curve(edge2,fp2,lp2); |
| 545 | |
| 546 | if(c3d1.IsNull() || c3d2.IsNull()) |
| 547 | return Standard_False; |
| 548 | |
| 549 | while(c3d1->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) { |
| 550 | Handle(Geom_TrimmedCurve) tc = |
| 551 | Handle(Geom_TrimmedCurve)::DownCast(c3d1); |
| 552 | c3d1 = tc->BasisCurve(); |
| 553 | } |
| 554 | while(c3d2->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) { |
| 555 | Handle(Geom_TrimmedCurve) tc = |
| 556 | Handle(Geom_TrimmedCurve)::DownCast(c3d2); |
| 557 | c3d2 = tc->BasisCurve(); |
| 558 | } |
| 559 | if( c3d1->IsKind(STANDARD_TYPE(Geom_Line)) && c3d2->IsKind(STANDARD_TYPE(Geom_Line)) ) { |
| 560 | Handle(Geom_Line) L1 = Handle(Geom_Line)::DownCast(c3d1); |
| 561 | Handle(Geom_Line) L2 = Handle(Geom_Line)::DownCast(c3d2); |
| 562 | gp_Dir Dir1 = L1->Position().Direction(); |
| 563 | gp_Dir Dir2 = L2->Position().Direction(); |
| 564 | if(!Dir1.IsParallel(Dir2,Tol)) |
| 565 | IsUnionOfLinesPossible = Standard_False; |
| 566 | } |
| 567 | else |
| 568 | IsUnionOfLinesPossible = Standard_False; |
| 569 | if( c3d1->IsKind(STANDARD_TYPE(Geom_Circle)) && c3d2->IsKind(STANDARD_TYPE(Geom_Circle)) ) { |
| 570 | Handle(Geom_Circle) C1 = Handle(Geom_Circle)::DownCast(c3d1); |
| 571 | Handle(Geom_Circle) C2 = Handle(Geom_Circle)::DownCast(c3d2); |
| 572 | gp_Pnt P01 = C1->Location(); |
| 573 | gp_Pnt P02 = C2->Location(); |
| 574 | if (P01.Distance(P02) > Precision::Confusion()) |
| 575 | IsUnionOfCirclesPossible = Standard_False; |
| 576 | } |
| 577 | else |
| 578 | IsUnionOfCirclesPossible = Standard_False; |
| 579 | } |
| 580 | if (IsUnionOfLinesPossible && IsUnionOfCirclesPossible) |
| 581 | return Standard_False; |
| 582 | |
| 583 | //union of lines is possible |
| 584 | if (IsUnionOfLinesPossible) |
| 585 | { |
| 586 | TopoDS_Vertex V1 = sae.FirstVertex(TopoDS::Edge(aChain.First())); |
| 587 | gp_Pnt PV1 = BRep_Tool::Pnt(V1); |
| 588 | TopoDS_Vertex V2 = sae.LastVertex(TopoDS::Edge(aChain.Last())); |
| 589 | gp_Pnt PV2 = BRep_Tool::Pnt(V2); |
| 590 | gp_Vec Vec(PV1, PV2); |
| 591 | Handle(Geom_Line) L = new Geom_Line(gp_Ax1(PV1,Vec)); |
| 592 | Standard_Real dist = PV1.Distance(PV2); |
| 593 | Handle(Geom_TrimmedCurve) tc = new Geom_TrimmedCurve(L,0.0,dist); |
| 594 | TopoDS_Edge E; |
| 595 | B.MakeEdge (E, tc ,Precision::Confusion()); |
| 596 | B.Add (E,V1); B.Add (E,V2); |
| 597 | B.UpdateVertex(V1, 0., E, 0.); |
| 598 | B.UpdateVertex(V2, dist, E, 0.); |
| 599 | OutEdge = E; |
| 600 | return Standard_True; |
| 601 | } |
| 602 | |
| 603 | if (IsUnionOfCirclesPossible) |
| 604 | { |
| 605 | double f,l; |
| 606 | TopoDS_Edge FE = TopoDS::Edge(aChain.First()); |
| 607 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(FE,f,l); |
| 608 | |
| 609 | while(c3d->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) { |
| 610 | Handle(Geom_TrimmedCurve) tc = |
| 611 | Handle(Geom_TrimmedCurve)::DownCast(c3d); |
| 612 | c3d = tc->BasisCurve(); |
| 613 | } |
| 614 | Handle(Geom_Circle) Cir = Handle(Geom_Circle)::DownCast(c3d); |
| 615 | |
| 616 | TopoDS_Vertex V1 = sae.FirstVertex(FE); |
| 617 | gp_Pnt PV1 = BRep_Tool::Pnt(V1); |
| 618 | TopoDS_Vertex V2 = sae.LastVertex(TopoDS::Edge(aChain.Last())); |
| 619 | gp_Pnt PV2 = BRep_Tool::Pnt(V2); |
| 620 | TopoDS_Vertex VM = sae.LastVertex(FE); |
| 621 | gp_Pnt PVM = BRep_Tool::Pnt(VM); |
| 622 | GC_MakeCircle MC (PV1,PVM,PV2); |
| 623 | TopoDS_Edge E; |
| 624 | if (!MC.IsDone() || MC.Value().IsNull()) { |
| 625 | // jfa for Mantis issue 0020228 |
| 626 | if (PV1.Distance(PV2) > Precision::Confusion()) |
| 627 | return Standard_False; |
| 628 | // closed chain |
| 629 | B.MakeEdge (E,Cir,Precision::Confusion()); |
| 630 | B.Add(E,V1); |
| 631 | B.Add(E,V2); |
| 632 | E.Orientation(FE.Orientation()); |
| 633 | } |
| 634 | else { |
| 635 | Handle(Geom_Circle) C = MC.Value(); |
| 636 | gp_Pnt P0 = C->Location(); |
| 637 | gp_Dir D1(gp_Vec(P0,PV1)); |
| 638 | gp_Dir D2(gp_Vec(P0,PV2)); |
| 639 | Standard_Real fpar = C->XAxis().Direction().Angle(D1); |
| 640 | if(fabs(fpar)>Precision::Confusion()) { |
| 641 | // check orientation |
| 642 | gp_Dir ND = C->XAxis().Direction().Crossed(D1); |
| 643 | if(ND.IsOpposite(C->Axis().Direction(),Precision::Confusion())) { |
| 644 | fpar = -fpar; |
| 645 | } |
| 646 | } |
| 647 | Standard_Real lpar = C->XAxis().Direction().Angle(D2); |
| 648 | if(fabs(lpar)>Precision::Confusion()) { |
| 649 | // check orientation |
| 650 | gp_Dir ND = C->XAxis().Direction().Crossed(D2); |
| 651 | if(ND.IsOpposite(C->Axis().Direction(),Precision::Confusion())) { |
| 652 | lpar = -lpar; |
| 653 | } |
| 654 | } |
| 655 | if (lpar < fpar) lpar += 2*M_PI; |
| 656 | Handle(Geom_TrimmedCurve) tc = new Geom_TrimmedCurve(C,fpar,lpar); |
| 657 | B.MakeEdge (E,tc,Precision::Confusion()); |
| 658 | B.Add(E,V1); |
| 659 | B.Add(E,V2); |
| 660 | B.UpdateVertex(V1, fpar, E, 0.); |
| 661 | B.UpdateVertex(V2, lpar, E, 0.); |
| 662 | } |
| 663 | OutEdge = E; |
| 664 | return Standard_True; |
| 665 | } |
| 666 | if (aChain.Length() > 1 && ConcatBSplines) { |
| 667 | // second step: union edges with various curves |
| 668 | // skl for bug 0020052 from Mantis: perform such unions |
| 669 | // only if curves are bspline or bezier |
| 670 | |
| 671 | TopoDS_Vertex VF = sae.FirstVertex(TopoDS::Edge(aChain.First())); |
| 672 | TopoDS_Vertex VL = sae.LastVertex(TopoDS::Edge(aChain.Last())); |
| 673 | Standard_Boolean NeedUnion = Standard_True; |
| 674 | for(j=1; j<=aChain.Length(); j++) { |
| 675 | TopoDS_Edge edge = TopoDS::Edge(aChain.Value(j)); |
| 676 | TopLoc_Location Loc; |
| 677 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(edge,Loc,fp1,lp1); |
| 678 | if(c3d.IsNull()) continue; |
| 679 | while(c3d->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) { |
| 680 | Handle(Geom_TrimmedCurve) tc = |
| 681 | Handle(Geom_TrimmedCurve)::DownCast(c3d); |
| 682 | c3d = tc->BasisCurve(); |
| 683 | } |
| 684 | if( ( c3d->IsKind(STANDARD_TYPE(Geom_BSplineCurve)) || |
| 685 | c3d->IsKind(STANDARD_TYPE(Geom_BezierCurve)) ) ) continue; |
| 686 | NeedUnion = Standard_False; |
| 687 | break; |
| 688 | } |
| 689 | if(NeedUnion) { |
| 690 | #ifdef OCCT_DEBUG |
| 691 | cout<<"can not make analitical union => make approximation"<<endl; |
| 692 | #endif |
| 693 | TopoDS_Edge E = GlueEdgesWithPCurves(aChain, VF, VL); |
| 694 | OutEdge = E; |
| 695 | return Standard_True; |
| 696 | } |
| 697 | else { |
| 698 | #ifdef OCCT_DEBUG |
| 699 | cout<<"can not make approximation for such types of curves"<<endl; |
| 700 | #endif |
| 701 | return Standard_False; |
| 702 | } |
| 703 | } |
| 704 | return Standard_False; |
| 705 | } |
| 706 | |
| 707 | static Standard_Boolean IsMergingPossible(const TopoDS_Edge& edge1, const TopoDS_Edge& edge2, |
| 708 | double Tol, const TopTools_MapOfShape& DegEdgeVrt) |
| 709 | { |
| 710 | TopoDS_Vertex CV = TopExp::LastVertex(edge1, Standard_True); |
| 711 | if (CV.IsNull() || DegEdgeVrt.Contains(CV)) |
| 712 | return Standard_False; |
| 713 | |
| 714 | BRepAdaptor_Curve ade1(edge1); |
| 715 | BRepAdaptor_Curve ade2(edge2); |
| 716 | |
| 717 | GeomAbs_CurveType t1 = ade1.GetType(); |
| 718 | GeomAbs_CurveType t2 = ade2.GetType(); |
| 719 | |
| 720 | if( t1 == GeomAbs_Circle && t2 == GeomAbs_Circle) |
| 721 | { |
| 722 | if (ade1.Circle().Location().Distance(ade2.Circle().Location()) > Precision::Confusion()) |
| 723 | return Standard_False; |
| 724 | } |
| 725 | |
| 726 | if( ( (t1 != GeomAbs_BezierCurve && t1 != GeomAbs_BSplineCurve) || |
| 727 | (t2 != GeomAbs_BezierCurve && t2 != GeomAbs_BSplineCurve)) && t1 != t2) |
| 728 | return Standard_False; |
| 729 | |
| 730 | gp_Vec Diff1, Diff2; |
| 731 | gp_Pnt P1, P2; |
| 732 | if (edge1.Orientation() == TopAbs_FORWARD) |
| 733 | ade1.D1(ade1.LastParameter(), P1, Diff1); |
| 734 | else |
| 735 | { |
| 736 | ade1.D1(ade1.FirstParameter(), P1, Diff1); |
| 737 | Diff1 = -Diff1; |
| 738 | } |
| 739 | |
| 740 | if (edge2.Orientation() == TopAbs_FORWARD) |
| 741 | ade2.D1(ade2.FirstParameter(), P2, Diff2); |
| 742 | else |
| 743 | { |
| 744 | ade2.D1(ade2.LastParameter(), P2, Diff2); |
| 745 | Diff2 = -Diff2; |
| 746 | } |
| 747 | |
| 748 | if (Diff1.Angle(Diff2) > Tol) |
| 749 | return Standard_False; |
| 750 | |
| 751 | return Standard_True; |
| 752 | } |
| 753 | |
| 754 | static void GenerateSubSeq (const TopTools_SequenceOfShape& anInpEdgeSeq, |
| 755 | NCollection_Sequence<SubSequenceOfEdges>& SeqOfSubSeqOfEdges, |
| 756 | Standard_Boolean IsClosed, double Tol, const TopTools_MapOfShape& DegEdgeVrt ) |
| 757 | { |
| 758 | Standard_Boolean isOk = Standard_False; |
| 759 | TopoDS_Edge edge1, edge2; |
| 760 | |
| 761 | SubSequenceOfEdges SubSeq; |
| 762 | SubSeq.SeqsEdges.Append(TopoDS::Edge(anInpEdgeSeq(1))); |
| 763 | SeqOfSubSeqOfEdges.Append(SubSeq); |
| 764 | |
| 765 | for (int i = 1; i < anInpEdgeSeq.Length(); i++) |
| 766 | { |
| 767 | edge1 = TopoDS::Edge(anInpEdgeSeq(i)); |
| 768 | edge2 = TopoDS::Edge(anInpEdgeSeq(i+1)); |
| 769 | isOk = IsMergingPossible(edge1, edge2, Tol, DegEdgeVrt); |
| 770 | if (!isOk) |
| 771 | { |
| 772 | SubSequenceOfEdges SubSeq; |
| 773 | SubSeq.SeqsEdges.Append(edge2); |
| 774 | SeqOfSubSeqOfEdges.Append(SubSeq); |
| 775 | } |
| 776 | else |
| 777 | SeqOfSubSeqOfEdges.ChangeLast().SeqsEdges.Append(edge2); |
| 778 | } |
| 779 | /// check first and last chain segments |
| 780 | if (IsClosed && SeqOfSubSeqOfEdges.Length() > 1) |
| 781 | { |
| 782 | edge1 = TopoDS::Edge(anInpEdgeSeq.Last()); |
| 783 | edge2 = TopoDS::Edge(anInpEdgeSeq.First()); |
| 784 | if (IsMergingPossible(edge1, edge2, Tol, DegEdgeVrt)) |
| 785 | { |
| 786 | SeqOfSubSeqOfEdges.ChangeLast().SeqsEdges.Append(SeqOfSubSeqOfEdges.ChangeFirst().SeqsEdges); |
| 787 | SeqOfSubSeqOfEdges.Remove(1); |
| 788 | } |
| 789 | } |
| 790 | } |
| 791 | |
| 792 | |
| 793 | //======================================================================= |
| 794 | //function : MergeEdges |
| 795 | //purpose : auxilary |
| 796 | //======================================================================= |
| 797 | static Standard_Boolean MergeEdges(const TopTools_SequenceOfShape& SeqEdges, |
| 798 | const Standard_Real Tol, |
| 799 | const Standard_Boolean ConcatBSplines, |
| 800 | NCollection_Sequence<SubSequenceOfEdges>& SeqOfSubSeqOfEdges, |
| 801 | const TopTools_MapOfShape& NonMergVrt ) |
| 802 | { |
| 803 | // make chain for union |
| 804 | //BRep_Builder B; |
| 805 | ShapeAnalysis_Edge sae; |
| 806 | TopoDS_Edge FirstE = TopoDS::Edge(SeqEdges.Value(1)); |
| 807 | TopoDS_Edge LastE = FirstE; |
| 808 | TopoDS_Vertex VF = sae.FirstVertex(FirstE); |
| 809 | TopoDS_Vertex VL = sae.LastVertex(LastE); |
| 810 | TopTools_SequenceOfShape aChain; |
| 811 | aChain.Append(FirstE); |
| 812 | TColStd_MapOfInteger IndUsedEdges; |
| 813 | IndUsedEdges.Add(1); |
| 814 | Standard_Integer j; |
| 815 | TopTools_MapOfShape VerticesToAvoid; |
| 816 | TopTools_SequenceOfShape SeqEdges1; |
| 817 | for (j = 1; j <= SeqEdges.Length(); j++) |
| 818 | { |
| 819 | TopoDS_Edge anEdge = TopoDS::Edge(SeqEdges(j)); |
| 820 | if (BRep_Tool::Degenerated(anEdge)) |
| 821 | { |
| 822 | TopoDS_Vertex V1, V2; |
| 823 | TopExp::Vertices(anEdge, V1, V2); |
| 824 | VerticesToAvoid.Add(V1); |
| 825 | VerticesToAvoid.Add(V2); |
| 826 | continue; |
| 827 | } |
| 828 | SeqEdges1.Append(anEdge); |
| 829 | } |
| 830 | |
| 831 | for(j=2; j<=SeqEdges1.Length(); j++) { |
| 832 | for(Standard_Integer k=2; k<=SeqEdges1.Length(); k++) { |
| 833 | if(IndUsedEdges.Contains(k)) continue; |
| 834 | TopoDS_Edge edge = TopoDS::Edge(SeqEdges1.Value(k)); |
| 835 | TopoDS_Vertex VF2 = sae.FirstVertex(edge); |
| 836 | TopoDS_Vertex VL2 = sae.LastVertex(edge); |
| 837 | if(VF2.IsSame(VL)) { |
| 838 | aChain.Append(edge); |
| 839 | LastE = edge; |
| 840 | VL = sae.LastVertex(LastE); |
| 841 | IndUsedEdges.Add(k); |
| 842 | } |
| 843 | else if(VL2.IsSame(VF)) { |
| 844 | aChain.Prepend(edge); |
| 845 | FirstE = edge; |
| 846 | VF = sae.FirstVertex(FirstE); |
| 847 | IndUsedEdges.Add(k); |
| 848 | } |
| 849 | } |
| 850 | } |
| 851 | |
| 852 | Standard_Boolean IsClosed = Standard_False; |
| 853 | if (VF.IsSame ( VL )) |
| 854 | IsClosed = Standard_True; |
| 855 | |
| 856 | VerticesToAvoid.Unite(NonMergVrt); |
| 857 | GenerateSubSeq(aChain, SeqOfSubSeqOfEdges, IsClosed, Tol, VerticesToAvoid); |
| 858 | |
| 859 | for (int i = 1; i <= SeqOfSubSeqOfEdges.Length(); i++) |
| 860 | { |
| 861 | TopoDS_Edge UE; |
| 862 | if (SeqOfSubSeqOfEdges(i).SeqsEdges.Length() < 2) |
| 863 | continue; |
| 864 | if (MergeSubSeq(SeqOfSubSeqOfEdges(i).SeqsEdges, UE, Tol, ConcatBSplines)) |
| 865 | SeqOfSubSeqOfEdges(i).UnionEdges = UE; |
| 866 | } |
| 867 | return Standard_True; |
| 868 | } |
| 869 | |
| 870 | static Standard_Boolean MergeSeq (const TopTools_SequenceOfShape& SeqEdges, |
| 871 | const Standard_Real Tol, |
| 872 | const Standard_Boolean ConcatBSplines, |
| 873 | Handle(ShapeBuild_ReShape)& theContext, |
| 874 | TopTools_DataMapOfShapeShape& theOldShapes, |
| 875 | const TopTools_MapOfShape& nonMergVert, |
| 876 | const TopTools_DataMapOfShapeShape& NewEdges2OldEdges) |
| 877 | { |
| 878 | NCollection_Sequence<SubSequenceOfEdges> SeqOfSubsSeqOfEdges; |
| 879 | int k = 1; |
| 880 | if ( MergeEdges(SeqEdges, Tol, ConcatBSplines, SeqOfSubsSeqOfEdges, nonMergVert) ) |
| 881 | { |
| 882 | for (Standard_Integer i = 1; i <= SeqOfSubsSeqOfEdges.Length(); i++ ) |
| 883 | { |
| 884 | if (SeqOfSubsSeqOfEdges(i).UnionEdges.IsNull()) |
| 885 | continue; |
| 886 | theContext->Replace(SeqOfSubsSeqOfEdges(i).SeqsEdges(1), SeqOfSubsSeqOfEdges(i).UnionEdges); |
| 887 | k++; |
| 888 | for (Standard_Integer j = 2; j <= SeqOfSubsSeqOfEdges(i).SeqsEdges.Length(); j++) |
| 889 | { |
| 890 | TopoDS_Shape OldEdge = NewEdges2OldEdges(SeqOfSubsSeqOfEdges(i).SeqsEdges(j)); |
| 891 | theOldShapes.Bind(OldEdge, SeqOfSubsSeqOfEdges(i).UnionEdges); |
| 892 | theContext->Remove(SeqOfSubsSeqOfEdges(i).SeqsEdges(j)); |
| 893 | } |
| 894 | } |
| 895 | return Standard_True; |
| 896 | } |
| 897 | else |
| 898 | return Standard_False; |
| 899 | } |
| 900 | |
| 901 | static void CheckSharedVertices(const TopTools_SequenceOfShape& theSeqEdges, |
| 902 | const TopTools_IndexedDataMapOfShapeListOfShape& theMapEdgesVertex, |
| 903 | TopTools_MapOfShape& theShareVertMap) |
| 904 | { |
| 905 | ShapeAnalysis_Edge sae; |
| 906 | TopTools_SequenceOfShape SeqVertexes; |
| 907 | TopTools_MapOfShape MapVertexes; |
| 908 | for (Standard_Integer k = 1; k <= theSeqEdges.Length(); k++ ) |
| 909 | { |
| 910 | TopoDS_Vertex aV1 = sae.FirstVertex(TopoDS::Edge(theSeqEdges(k))); |
| 911 | TopoDS_Vertex aV2 = sae.LastVertex(TopoDS::Edge(theSeqEdges(k))); |
| 912 | if (!MapVertexes.Add(aV1)) |
| 913 | SeqVertexes.Append(aV1); |
| 914 | if (!MapVertexes.Add(aV2)) |
| 915 | SeqVertexes.Append(aV2); |
| 916 | } |
| 917 | |
| 918 | for (Standard_Integer k = 1; k <= SeqVertexes.Length()/* && !IsSharedVertexPresent*/; k++ ) |
| 919 | { |
| 920 | const TopTools_ListOfShape& ListEdgesV1 = theMapEdgesVertex.FindFromKey(SeqVertexes(k)); |
| 921 | TopTools_MapOfShape aMapOfEdges; |
| 922 | TopTools_ListIteratorOfListOfShape iter(ListEdgesV1); |
| 923 | for (; iter.More(); iter.Next()) |
| 924 | aMapOfEdges.Add(iter.Value()); |
| 925 | if (aMapOfEdges.Extent() > 2) |
| 926 | theShareVertMap.Add(SeqVertexes(k)); |
| 927 | } |
| 928 | //return theShareVertMap.IsEmpty() ? false : true; |
| 929 | } |
| 930 | |
| 931 | //======================================================================= |
| 932 | //function : ShapeUpgrade_UnifySameDomain |
| 933 | //purpose : Constructor |
| 934 | //======================================================================= |
| 935 | |
| 936 | ShapeUpgrade_UnifySameDomain::ShapeUpgrade_UnifySameDomain() |
| 937 | { |
| 938 | myUnifyEdges = Standard_True; |
| 939 | myUnifyFaces = Standard_True; |
| 940 | myConcatBSplines = Standard_False; |
| 941 | |
| 942 | myContext = new ShapeBuild_ReShape; |
| 943 | } |
| 944 | |
| 945 | //======================================================================= |
| 946 | //function : ShapeUpgrade_UnifySameDomain |
| 947 | //purpose : Constructor |
| 948 | //======================================================================= |
| 949 | |
| 950 | ShapeUpgrade_UnifySameDomain::ShapeUpgrade_UnifySameDomain(const TopoDS_Shape& aShape, |
| 951 | const Standard_Boolean UnifyEdges, |
| 952 | const Standard_Boolean UnifyFaces, |
| 953 | const Standard_Boolean ConcatBSplines) |
| 954 | { |
| 955 | myInitShape = aShape; |
| 956 | myShape = aShape; |
| 957 | myUnifyEdges = UnifyEdges; |
| 958 | myUnifyFaces = UnifyFaces; |
| 959 | myConcatBSplines = ConcatBSplines; |
| 960 | |
| 961 | myContext = new ShapeBuild_ReShape; |
| 962 | } |
| 963 | |
| 964 | //======================================================================= |
| 965 | //function : Initialize |
| 966 | //purpose : |
| 967 | //======================================================================= |
| 968 | |
| 969 | void ShapeUpgrade_UnifySameDomain::Initialize(const TopoDS_Shape& aShape, |
| 970 | const Standard_Boolean UnifyEdges, |
| 971 | const Standard_Boolean UnifyFaces, |
| 972 | const Standard_Boolean ConcatBSplines) |
| 973 | { |
| 974 | myInitShape = aShape; |
| 975 | myShape = aShape; |
| 976 | myUnifyEdges = UnifyEdges; |
| 977 | myUnifyFaces = UnifyFaces; |
| 978 | myConcatBSplines = ConcatBSplines; |
| 979 | |
| 980 | myContext->Clear(); |
| 981 | myOldShapes.Clear(); |
| 982 | //myGenerated.Clear(); |
| 983 | } |
| 984 | |
| 985 | //======================================================================= |
| 986 | //function : UnifyFaces |
| 987 | //purpose : |
| 988 | //======================================================================= |
| 989 | |
| 990 | void ShapeUpgrade_UnifySameDomain::UnifyFaces() |
| 991 | { |
| 992 | //Handle(ShapeBuild_ReShape) myContext = new ShapeBuild_ReShape; |
| 993 | TopoDS_Shape aResShape = myContext->Apply(myShape); |
| 994 | |
| 995 | // processing each shell |
| 996 | TopExp_Explorer exps; |
| 997 | for (exps.Init(myShape, TopAbs_SHELL); exps.More(); exps.Next()) { |
| 998 | TopoDS_Shell aShell = TopoDS::Shell(exps.Current()); |
| 999 | |
| 1000 | // creating map of edge faces |
| 1001 | TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces; |
| 1002 | TopExp::MapShapesAndAncestors(aShell, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces); |
| 1003 | |
| 1004 | // map of processed shapes |
| 1005 | TopTools_MapOfShape aProcessed; |
| 1006 | |
| 1007 | //Handle(ShapeBuild_ReShape) aContext = new ShapeBuild_ReShape; |
| 1008 | |
| 1009 | Standard_Integer NbModif = 0; |
| 1010 | Standard_Boolean hasFailed = Standard_False; |
| 1011 | Standard_Real tol = Precision::Confusion(); |
| 1012 | |
| 1013 | // count faces |
| 1014 | Standard_Integer nbf = 0; |
| 1015 | TopExp_Explorer exp; |
| 1016 | TopTools_MapOfShape mapF; |
| 1017 | for (exp.Init(aShell, TopAbs_FACE); exp.More(); exp.Next()) { |
| 1018 | if (mapF.Add(exp.Current())) |
| 1019 | nbf++; |
| 1020 | } |
| 1021 | |
| 1022 | // processing each face |
| 1023 | mapF.Clear(); |
| 1024 | for (exp.Init(aShell, TopAbs_FACE); exp.More(); exp.Next()) { |
| 1025 | TopoDS_Face aFace = TopoDS::Face(exp.Current().Oriented(TopAbs_FORWARD)); |
| 1026 | |
| 1027 | if (aProcessed.Contains(aFace)) |
| 1028 | continue; |
| 1029 | |
| 1030 | Standard_Integer dummy; |
| 1031 | TopTools_SequenceOfShape edges; |
| 1032 | AddOrdinaryEdges(edges,aFace,dummy); |
| 1033 | |
| 1034 | TopTools_SequenceOfShape faces; |
| 1035 | faces.Append(aFace); |
| 1036 | |
| 1037 | //surface and location to construct result |
| 1038 | TopLoc_Location aBaseLocation; |
| 1039 | Handle(Geom_Surface) aBaseSurface = BRep_Tool::Surface(aFace,aBaseLocation); |
| 1040 | aBaseSurface = ClearRts(aBaseSurface); |
| 1041 | |
| 1042 | // find adjacent faces to union |
| 1043 | Standard_Integer i; |
| 1044 | for (i = 1; i <= edges.Length(); i++) { |
| 1045 | TopoDS_Edge edge = TopoDS::Edge(edges(i)); |
| 1046 | if (BRep_Tool::Degenerated(edge)) |
| 1047 | continue; |
| 1048 | |
| 1049 | const TopTools_ListOfShape& aList = aMapEdgeFaces.FindFromKey(edge); |
| 1050 | TopTools_ListIteratorOfListOfShape anIter(aList); |
| 1051 | for (; anIter.More(); anIter.Next()) { |
| 1052 | TopoDS_Face anCheckedFace = TopoDS::Face(anIter.Value().Oriented(TopAbs_FORWARD)); |
| 1053 | if (anCheckedFace.IsSame(aFace)) |
| 1054 | continue; |
| 1055 | |
| 1056 | if (aProcessed.Contains(anCheckedFace)) |
| 1057 | continue; |
| 1058 | |
| 1059 | if (IsSameDomain(aFace,anCheckedFace)) { |
| 1060 | |
| 1061 | if (aList.Extent() != 2) { |
| 1062 | // non mainfold case is not processed |
| 1063 | continue; |
| 1064 | } |
| 1065 | |
| 1066 | // replacing pcurves |
| 1067 | TopoDS_Face aMockUpFace; |
| 1068 | BRep_Builder B; |
| 1069 | B.MakeFace(aMockUpFace,aBaseSurface,aBaseLocation,0.); |
| 1070 | MovePCurves(aMockUpFace,anCheckedFace); |
| 1071 | |
| 1072 | if (AddOrdinaryEdges(edges,aMockUpFace,dummy)) { |
| 1073 | // sequence edges is modified |
| 1074 | i = dummy; |
| 1075 | } |
| 1076 | |
| 1077 | faces.Append(anCheckedFace); |
| 1078 | aProcessed.Add(anCheckedFace); |
| 1079 | break; |
| 1080 | } |
| 1081 | } |
| 1082 | } |
| 1083 | |
| 1084 | // all faces collected in the sequence. Perform union of faces |
| 1085 | if (faces.Length() > 1) { |
| 1086 | NbModif++; |
| 1087 | TopoDS_Face aResult; |
| 1088 | BRep_Builder B; |
| 1089 | B.MakeFace(aResult,aBaseSurface,aBaseLocation,0); |
| 1090 | Standard_Integer nbWires = 0; |
| 1091 | |
| 1092 | // connecting wires |
| 1093 | while (edges.Length()>0) { |
| 1094 | |
| 1095 | Standard_Boolean isEdge3d = Standard_False; |
| 1096 | nbWires++; |
| 1097 | TopTools_MapOfShape aVertices; |
| 1098 | TopoDS_Wire aWire; |
| 1099 | B.MakeWire(aWire); |
| 1100 | |
| 1101 | TopoDS_Edge anEdge = TopoDS::Edge(edges(1)); |
| 1102 | edges.Remove(1); |
| 1103 | |
| 1104 | isEdge3d |= !BRep_Tool::Degenerated(anEdge); |
| 1105 | B.Add(aWire,anEdge); |
| 1106 | TopoDS_Vertex V1,V2; |
| 1107 | TopExp::Vertices(anEdge,V1,V2); |
| 1108 | aVertices.Add(V1); |
| 1109 | aVertices.Add(V2); |
| 1110 | |
| 1111 | Standard_Boolean isNewFound = Standard_False; |
| 1112 | do { |
| 1113 | isNewFound = Standard_False; |
| 1114 | for(Standard_Integer j = 1; j <= edges.Length(); j++) { |
| 1115 | anEdge = TopoDS::Edge(edges(j)); |
| 1116 | TopExp::Vertices(anEdge,V1,V2); |
| 1117 | if(aVertices.Contains(V1) || aVertices.Contains(V2)) { |
| 1118 | isEdge3d |= !BRep_Tool::Degenerated(anEdge); |
| 1119 | aVertices.Add(V1); |
| 1120 | aVertices.Add(V2); |
| 1121 | B.Add(aWire,anEdge); |
| 1122 | edges.Remove(j); |
| 1123 | j--; |
| 1124 | isNewFound = Standard_True; |
| 1125 | } |
| 1126 | } |
| 1127 | } while (isNewFound); |
| 1128 | |
| 1129 | // sorting any type of edges |
| 1130 | aWire.Closed (BRep_Tool::IsClosed (aWire)); |
| 1131 | aWire = TopoDS::Wire(myContext->Apply(aWire)); |
| 1132 | |
| 1133 | TopoDS_Face tmpF = TopoDS::Face(myContext->Apply(faces(1).Oriented(TopAbs_FORWARD))); |
| 1134 | Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire(aWire,tmpF,Precision::Confusion()); |
| 1135 | sfw->FixReorder(); |
| 1136 | Standard_Boolean isDegRemoved = Standard_False; |
| 1137 | if(!sfw->StatusReorder ( ShapeExtend_FAIL )) { |
| 1138 | // clear degenerated edges if at least one with 3d curve exist |
| 1139 | if(isEdge3d) { |
| 1140 | Handle(ShapeExtend_WireData) sewd = sfw->WireData(); |
| 1141 | for(Standard_Integer j = 1; j<=sewd->NbEdges();j++) { |
| 1142 | TopoDS_Edge E = sewd->Edge(j); |
| 1143 | if(BRep_Tool::Degenerated(E)) { |
| 1144 | sewd->Remove(j); |
| 1145 | isDegRemoved = Standard_True; |
| 1146 | j--; |
| 1147 | } |
| 1148 | } |
| 1149 | } |
| 1150 | sfw->FixShifted(); |
| 1151 | if(isDegRemoved) |
| 1152 | sfw->FixDegenerated(); |
| 1153 | } |
| 1154 | TopoDS_Wire aWireFixed = sfw->Wire(); |
| 1155 | //aContext->Replace(aWire,aWireFixed); |
| 1156 | myContext->Replace(aWire,aWireFixed); |
| 1157 | //for history |
| 1158 | /* |
| 1159 | if (!myOldNewMap.IsBound(aWire)) |
| 1160 | { |
| 1161 | TopTools_ListOfShape EmptyList; |
| 1162 | myOldNewMap.Bind(aWire, EmptyList); |
| 1163 | } |
| 1164 | myOldNewMap(aWire).Clear(); |
| 1165 | myOldNewMap(aWire).Append(aWireFixed); |
| 1166 | */ |
| 1167 | ///////////// |
| 1168 | |
| 1169 | // add resulting wire |
| 1170 | if(isEdge3d) { |
| 1171 | B.Add(aResult,aWireFixed); |
| 1172 | } |
| 1173 | else { |
| 1174 | // sorting edges |
| 1175 | Handle(ShapeExtend_WireData) sbwd = sfw->WireData(); |
| 1176 | Standard_Integer nbEdges = sbwd->NbEdges(); |
| 1177 | // sort degenerated edges and create one edge instead of several ones |
| 1178 | ShapeAnalysis_WireOrder sawo(Standard_False, 0); |
| 1179 | ShapeAnalysis_Edge sae; |
| 1180 | Standard_Integer aLastEdge = nbEdges; |
| 1181 | for(Standard_Integer j = 1; j <= nbEdges; j++) { |
| 1182 | Standard_Real f,l; |
| 1183 | //smh protection on NULL pcurve |
| 1184 | Handle(Geom2d_Curve) c2d; |
| 1185 | if(!sae.PCurve(sbwd->Edge(j),tmpF,c2d,f,l)) { |
| 1186 | aLastEdge--; |
| 1187 | continue; |
| 1188 | } |
| 1189 | sawo.Add(c2d->Value(f).XY(),c2d->Value(l).XY()); |
| 1190 | } |
| 1191 | sawo.Perform(); |
| 1192 | |
| 1193 | // constructind one degenerative edge |
| 1194 | gp_XY aStart, anEnd, tmp; |
| 1195 | Standard_Integer nbFirst = sawo.Ordered(1); |
| 1196 | TopoDS_Edge anOrigE = TopoDS::Edge(sbwd->Edge(nbFirst).Oriented(TopAbs_FORWARD)); |
| 1197 | ShapeBuild_Edge sbe; |
| 1198 | TopoDS_Vertex aDummyV; |
| 1199 | TopoDS_Edge E = sbe.CopyReplaceVertices(anOrigE,aDummyV,aDummyV); |
| 1200 | sawo.XY(nbFirst,aStart,tmp); |
| 1201 | sawo.XY(sawo.Ordered(aLastEdge),tmp,anEnd); |
| 1202 | |
| 1203 | gp_XY aVec = anEnd-aStart; |
| 1204 | Handle(Geom2d_Line) aLine = new Geom2d_Line(aStart,gp_Dir2d(anEnd-aStart)); |
| 1205 | |
| 1206 | B.UpdateEdge(E,aLine,tmpF,0.); |
| 1207 | B.Range(E,tmpF,0.,aVec.Modulus()); |
| 1208 | Handle(Geom_Curve) C3d; |
| 1209 | B.UpdateEdge(E,C3d,0.); |
| 1210 | B.Degenerated(E,Standard_True); |
| 1211 | TopoDS_Wire aW; |
| 1212 | B.MakeWire(aW); |
| 1213 | B.Add(aW,E); |
| 1214 | aW.Closed (Standard_True); |
| 1215 | B.Add(aResult,aW); |
| 1216 | } |
| 1217 | } |
| 1218 | |
| 1219 | // perform substitution of face |
| 1220 | //aContext->Replace(aContext->Apply(aFace),aResult); |
| 1221 | myContext->Replace(myContext->Apply(aFace),aResult); |
| 1222 | //for history |
| 1223 | /* |
| 1224 | if (!myOldNewMap.IsBound(aFace)) |
| 1225 | { |
| 1226 | TopTools_ListOfShape EmptyList; |
| 1227 | myOldNewMap.Bind(aFace, EmptyList); |
| 1228 | } |
| 1229 | myOldNewMap(aFace).Clear(); |
| 1230 | myOldNewMap(aFace).Append(aResult); |
| 1231 | */ |
| 1232 | ///////////// |
| 1233 | |
| 1234 | ShapeFix_Face sff (aResult); |
| 1235 | //Intializing by tolerances |
| 1236 | sff.SetPrecision(Precision::Confusion()); |
| 1237 | sff.SetMinTolerance(tol); |
| 1238 | sff.SetMaxTolerance(1.); |
| 1239 | //Setting modes |
| 1240 | sff.FixOrientationMode() = 0; |
| 1241 | //sff.FixWireMode() = 0; |
| 1242 | //sff.SetContext(aContext); |
| 1243 | sff.SetContext(myContext); |
| 1244 | // Applying the fixes |
| 1245 | sff.Perform(); |
| 1246 | if(sff.Status(ShapeExtend_FAIL)) |
| 1247 | hasFailed = Standard_True; |
| 1248 | |
| 1249 | // breaking down to several faces |
| 1250 | //TopoDS_Shape theResult = aContext->Apply(aResult); |
| 1251 | TopoDS_Shape theResult = myContext->Apply(aResult); |
| 1252 | for (TopExp_Explorer aFaceExp (theResult,TopAbs_FACE); aFaceExp.More(); aFaceExp.Next()) { |
| 1253 | TopoDS_Face aCurrent = TopoDS::Face(aFaceExp.Current().Oriented(TopAbs_FORWARD)); |
| 1254 | Handle(TColGeom_HArray2OfSurface) grid = new TColGeom_HArray2OfSurface ( 1, 1, 1, 1 ); |
| 1255 | grid->SetValue ( 1, 1, aBaseSurface ); |
| 1256 | Handle(ShapeExtend_CompositeSurface) G = new ShapeExtend_CompositeSurface ( grid ); |
| 1257 | ShapeFix_ComposeShell CompShell; |
| 1258 | CompShell.Init ( G, aBaseLocation, aCurrent, ::Precision::Confusion() );//myPrecision |
| 1259 | //CompShell.SetContext( aContext ); |
| 1260 | CompShell.SetContext( myContext ); |
| 1261 | |
| 1262 | TopTools_SequenceOfShape parts; |
| 1263 | ShapeFix_SequenceOfWireSegment wires; |
| 1264 | for(TopExp_Explorer W_Exp(aCurrent,TopAbs_WIRE);W_Exp.More();W_Exp.Next()) { |
| 1265 | Handle(ShapeExtend_WireData) sbwd = |
| 1266 | new ShapeExtend_WireData ( TopoDS::Wire(W_Exp.Current() )); |
| 1267 | ShapeFix_WireSegment seg ( sbwd, TopAbs_REVERSED ); |
| 1268 | wires.Append(seg); |
| 1269 | } |
| 1270 | |
| 1271 | CompShell.DispatchWires ( parts,wires ); |
| 1272 | for (Standard_Integer j=1; j <= parts.Length(); j++ ) { |
| 1273 | ShapeFix_Face aFixOrient(TopoDS::Face(parts(j))); |
| 1274 | //aFixOrient.SetContext(aContext); |
| 1275 | aFixOrient.SetContext(myContext); |
| 1276 | aFixOrient.FixOrientation(); |
| 1277 | } |
| 1278 | |
| 1279 | TopoDS_Shape CompRes; |
| 1280 | if ( faces.Length() !=1 ) { |
| 1281 | TopoDS_Shell S; |
| 1282 | B.MakeShell ( S ); |
| 1283 | for ( i=1; i <= parts.Length(); i++ ) |
| 1284 | B.Add ( S, parts(i) ); |
| 1285 | S.Closed (BRep_Tool::IsClosed (S)); |
| 1286 | CompRes = S; |
| 1287 | } |
| 1288 | else CompRes = parts(1); |
| 1289 | |
| 1290 | //aContext->Replace(aCurrent,CompRes); |
| 1291 | myContext->Replace(aCurrent,CompRes); |
| 1292 | //for history |
| 1293 | /* |
| 1294 | if (!myOldNewMap.IsBound(aCurrent)) |
| 1295 | { |
| 1296 | TopTools_ListOfShape EmptyList; |
| 1297 | myOldNewMap.Bind(aCurrent, EmptyList); |
| 1298 | } |
| 1299 | myOldNewMap(aCurrent).Clear(); |
| 1300 | myOldNewMap(aCurrent).Append(CompRes); |
| 1301 | */ |
| 1302 | ///////////// |
| 1303 | } |
| 1304 | |
| 1305 | // remove the remaining faces |
| 1306 | for(i = 2; i <= faces.Length(); i++) |
| 1307 | { |
| 1308 | myOldShapes.Bind(faces(i), theResult); |
| 1309 | myContext->Remove(faces(i)); |
| 1310 | } |
| 1311 | } |
| 1312 | } // end processing each face |
| 1313 | |
| 1314 | //TopoDS_Shape aResult = Shape; |
| 1315 | if (NbModif > 0 && !hasFailed) { |
| 1316 | //TopoDS_Shape aResult = aContext->Apply(aShell); |
| 1317 | TopoDS_Shape aResult = myContext->Apply(aShell); |
| 1318 | |
| 1319 | ShapeFix_Edge sfe; |
| 1320 | for (exp.Init(aResult,TopAbs_EDGE); exp.More(); exp.Next()) { |
| 1321 | TopoDS_Edge E = TopoDS::Edge(exp.Current()); |
| 1322 | sfe.FixVertexTolerance (E); |
| 1323 | // ptv add fix same parameter |
| 1324 | sfe.FixSameParameter(E, Precision::Confusion()); |
| 1325 | } |
| 1326 | |
| 1327 | myContext->Replace(aShell, aResult); |
| 1328 | //for history |
| 1329 | /* |
| 1330 | if (!myOldNewMap.IsBound(aShell)) |
| 1331 | { |
| 1332 | TopTools_ListOfShape EmptyList; |
| 1333 | myOldNewMap.Bind(aShell, EmptyList); |
| 1334 | } |
| 1335 | myOldNewMap(aShell).Clear(); |
| 1336 | myOldNewMap(aShell).Append(aResult); |
| 1337 | */ |
| 1338 | ///////////// |
| 1339 | } |
| 1340 | //else |
| 1341 | { |
| 1342 | for (exp.Init(aShell, TopAbs_FACE); exp.More(); exp.Next()) { |
| 1343 | TopoDS_Face aFace = TopoDS::Face(exp.Current().Oriented(TopAbs_FORWARD)); |
| 1344 | Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire; |
| 1345 | sfw->SetContext(myContext); |
| 1346 | sfw->SetPrecision(Precision::Confusion()); |
| 1347 | sfw->SetMinTolerance(Precision::Confusion()); |
| 1348 | sfw->SetMaxTolerance(1.); |
| 1349 | sfw->SetFace(aFace); |
| 1350 | for (TopoDS_Iterator iter (aFace,Standard_False); iter.More(); iter.Next()) { |
| 1351 | TopoDS_Wire wire = TopoDS::Wire(iter.Value()); |
| 1352 | sfw->Load(wire); |
| 1353 | sfw->FixReorder(); |
| 1354 | sfw->FixShifted(); |
| 1355 | } |
| 1356 | } |
| 1357 | } |
| 1358 | } // end processing each shell |
| 1359 | |
| 1360 | myShape = myContext->Apply(myShape); |
| 1361 | } |
| 1362 | |
| 1363 | //======================================================================= |
| 1364 | //function : UnifyEdges |
| 1365 | //purpose : |
| 1366 | //======================================================================= |
| 1367 | void ShapeUpgrade_UnifySameDomain::UnifyEdges() |
| 1368 | { |
| 1369 | Standard_Real Tol = Precision::Confusion(); |
| 1370 | |
| 1371 | //Handle(ShapeBuild_ReShape) myContext = new ShapeBuild_ReShape; |
| 1372 | Standard_Real myTolerance = Precision::Confusion(); |
| 1373 | TopoDS_Shape aResult = myContext->Apply(myShape); |
| 1374 | |
| 1375 | TopTools_IndexedMapOfShape ChangedFaces; |
| 1376 | |
| 1377 | // creating map of edge faces |
| 1378 | TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces; |
| 1379 | TopExp::MapShapesAndAncestors(myShape, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces); |
| 1380 | |
| 1381 | // creating map of vertex edges |
| 1382 | TopTools_IndexedDataMapOfShapeListOfShape aMapEdgesVertex; |
| 1383 | TopExp::MapShapesAndAncestors(myShape, TopAbs_VERTEX, TopAbs_EDGE, aMapEdgesVertex); |
| 1384 | |
| 1385 | //Handle(ShapeBuild_ReShape) aContext = new ShapeBuild_ReShape; |
| 1386 | TopoDS_Shape aRes = myShape; |
| 1387 | //aRes = aContext->Apply(aSolid); |
| 1388 | aRes = myContext->Apply(myShape); |
| 1389 | |
| 1390 | TopTools_MapOfShape SharedVert; |
| 1391 | |
| 1392 | |
| 1393 | TopTools_IndexedMapOfShape anOldEdges; |
| 1394 | TopExp::MapShapes(myInitShape, TopAbs_EDGE, anOldEdges); |
| 1395 | |
| 1396 | TopTools_DataMapOfShapeShape NewEdges2OldEdges; |
| 1397 | for (int i = 1; i <= anOldEdges.Extent(); i++) |
| 1398 | { |
| 1399 | TopoDS_Shape NewEdge = myContext->Apply(anOldEdges(i)); |
| 1400 | if (!NewEdge.IsNull()) |
| 1401 | NewEdges2OldEdges.Bind(NewEdge, anOldEdges(i)); |
| 1402 | } |
| 1403 | |
| 1404 | TopExp_Explorer exp; |
| 1405 | // processing separate wires |
| 1406 | for (exp.Init(aRes, TopAbs_WIRE, TopAbs_FACE); exp.More(); exp.Next()) |
| 1407 | { |
| 1408 | TopTools_SequenceOfShape SeqEdges; |
| 1409 | TopExp_Explorer expE(exp.Current(), TopAbs_EDGE); |
| 1410 | for (; expE.More(); expE.Next()) |
| 1411 | SeqEdges.Append(expE.Current()); |
| 1412 | SharedVert.Clear(); |
| 1413 | CheckSharedVertices(SeqEdges, aMapEdgesVertex, SharedVert); |
| 1414 | MergeSeq(SeqEdges, Tol, myConcatBSplines, myContext, myOldShapes, SharedVert, NewEdges2OldEdges); |
| 1415 | } |
| 1416 | |
| 1417 | // processing each face |
| 1418 | for (exp.Init(aRes, TopAbs_FACE); exp.More(); exp.Next()) { |
| 1419 | //TopoDS_Face aFace = TopoDS::Face(aContext->Apply(exp.Current().Oriented(TopAbs_FORWARD))); |
| 1420 | TopoDS_Face aFace = TopoDS::Face(myContext->Apply(exp.Current().Oriented(TopAbs_FORWARD))); |
| 1421 | TopTools_IndexedDataMapOfShapeListOfShape aMapFacesEdges; |
| 1422 | TopTools_SequenceOfShape aNonSharedEdges; |
| 1423 | for (TopExp_Explorer expe(aFace,TopAbs_EDGE); expe.More(); expe.Next()) { |
| 1424 | TopoDS_Edge edge = TopoDS::Edge(expe.Current()); |
| 1425 | if (!aMapEdgeFaces.Contains(edge)) continue; |
| 1426 | const TopTools_ListOfShape& aList = aMapEdgeFaces.FindFromKey(edge); |
| 1427 | TopTools_ListIteratorOfListOfShape anIter(aList); |
| 1428 | Standard_Integer NbFacesPerEdge = aList.Extent(); |
| 1429 | for ( ; anIter.More(); anIter.Next()) { |
| 1430 | TopoDS_Face face = TopoDS::Face(anIter.Value()); |
| 1431 | TopoDS_Face face1 = TopoDS::Face(myContext->Apply(anIter.Value())); |
| 1432 | if (face1.IsSame(aFace) && NbFacesPerEdge != 1) |
| 1433 | continue; |
| 1434 | if (NbFacesPerEdge == 1) |
| 1435 | //store non-shared edges separately |
| 1436 | aNonSharedEdges.Append(edge); |
| 1437 | else |
| 1438 | { |
| 1439 | if (aMapFacesEdges.Contains(face)) |
| 1440 | aMapFacesEdges.ChangeFromKey(face).Append(edge); |
| 1441 | else |
| 1442 | { |
| 1443 | TopTools_ListOfShape ListEdges; |
| 1444 | ListEdges.Append(edge); |
| 1445 | aMapFacesEdges.Add(face,ListEdges); |
| 1446 | } |
| 1447 | } |
| 1448 | } |
| 1449 | } |
| 1450 | |
| 1451 | for (Standard_Integer i=1; i<=aMapFacesEdges.Extent(); i++) |
| 1452 | { |
| 1453 | const TopTools_ListOfShape& ListEdges = aMapFacesEdges.FindFromIndex(i); |
| 1454 | TopTools_SequenceOfShape SeqEdges; |
| 1455 | TopTools_ListIteratorOfListOfShape anIter(ListEdges); |
| 1456 | for ( ; anIter.More(); anIter.Next()) |
| 1457 | SeqEdges.Append(anIter.Value()); |
| 1458 | if (SeqEdges.Length()==1) |
| 1459 | continue; |
| 1460 | |
| 1461 | SharedVert.Clear(); |
| 1462 | CheckSharedVertices(SeqEdges, aMapEdgesVertex, SharedVert); |
| 1463 | //if (!SharedVert.IsEmpty()) |
| 1464 | // continue; |
| 1465 | if ( MergeSeq(SeqEdges,Tol,myConcatBSplines, myContext, myOldShapes, SharedVert, NewEdges2OldEdges) ) |
| 1466 | { |
| 1467 | //for history |
| 1468 | /* |
| 1469 | for (j = 1; j <= SeqEdges.Length(); j++) |
| 1470 | { |
| 1471 | if (!myOldNewMap.IsBound(SeqEdges(j))) |
| 1472 | { |
| 1473 | TopTools_ListOfShape EmptyList; |
| 1474 | myOldNewMap.Bind(SeqEdges(j), EmptyList); |
| 1475 | } |
| 1476 | myOldNewMap(SeqEdges(j)).Clear(); |
| 1477 | myOldNewMap(SeqEdges(j)).Append(E); |
| 1478 | } |
| 1479 | */ |
| 1480 | ///////////// |
| 1481 | |
| 1482 | TopoDS_Face tmpF = TopoDS::Face(exp.Current()); |
| 1483 | if ( !ChangedFaces.Contains(tmpF) ) |
| 1484 | ChangedFaces.Add(tmpF); |
| 1485 | tmpF = TopoDS::Face(aMapFacesEdges.FindKey(i)); |
| 1486 | if ( !ChangedFaces.Contains(tmpF) ) |
| 1487 | ChangedFaces.Add(tmpF); |
| 1488 | } |
| 1489 | } |
| 1490 | |
| 1491 | if ( aNonSharedEdges.Length() > 1 ) |
| 1492 | { |
| 1493 | SharedVert.Clear(); |
| 1494 | CheckSharedVertices(aNonSharedEdges, aMapEdgesVertex, SharedVert); |
| 1495 | if ( MergeSeq(aNonSharedEdges, Tol, myConcatBSplines, myContext, myOldShapes, SharedVert, NewEdges2OldEdges) ) |
| 1496 | { |
| 1497 | TopoDS_Face tmpF = TopoDS::Face(exp.Current()); |
| 1498 | if ( !ChangedFaces.Contains(tmpF) ) |
| 1499 | ChangedFaces.Add(tmpF); |
| 1500 | } |
| 1501 | } |
| 1502 | |
| 1503 | } // end processing each face |
| 1504 | |
| 1505 | // fix changed faces and replace them in the local context |
| 1506 | for (Standard_Integer i=1; i<=ChangedFaces.Extent(); i++) { |
| 1507 | //TopoDS_Face aFace = TopoDS::Face(aContext->Apply(ChangedFaces.FindKey(i))); |
| 1508 | TopoDS_Face aFace = TopoDS::Face(myContext->Apply(ChangedFaces.FindKey(i))); |
| 1509 | if (aFace.IsNull()) |
| 1510 | continue; |
| 1511 | Handle(ShapeFix_Face) sff = new ShapeFix_Face(aFace); |
| 1512 | sff->SetContext(myContext); |
| 1513 | sff->SetPrecision(myTolerance); |
| 1514 | sff->SetMinTolerance(myTolerance); |
| 1515 | sff->SetMaxTolerance(Max(1.,myTolerance*1000.)); |
| 1516 | sff->Perform(); |
| 1517 | TopoDS_Shape aNewFace = sff->Face(); |
| 1518 | //aContext->Replace(aFace,aNewFace); |
| 1519 | myContext->Replace(aFace,aNewFace); |
| 1520 | //for history |
| 1521 | /* |
| 1522 | if (!myOldNewMap.IsBound(aFace)) |
| 1523 | { |
| 1524 | TopTools_ListOfShape EmptyList; |
| 1525 | myOldNewMap.Bind(aFace, EmptyList); |
| 1526 | } |
| 1527 | myOldNewMap(aFace).Clear(); |
| 1528 | myOldNewMap(aFace).Append(aNewFace); |
| 1529 | */ |
| 1530 | ///////////// |
| 1531 | } |
| 1532 | |
| 1533 | if (ChangedFaces.Extent() > 0) { |
| 1534 | // fix changed shell and replace it in the local context |
| 1535 | //TopoDS_Shape aRes1 = aContext->Apply(aRes); |
| 1536 | TopoDS_Shape aRes1 = myContext->Apply(aRes); |
| 1537 | TopExp_Explorer expsh; |
| 1538 | for (expsh.Init(aRes1, TopAbs_SHELL); expsh.More(); expsh.Next()) { |
| 1539 | TopoDS_Shell aShell = TopoDS::Shell(expsh.Current()); |
| 1540 | Handle(ShapeFix_Shell) sfsh = new ShapeFix_Shell; |
| 1541 | sfsh->FixFaceOrientation(aShell); |
| 1542 | TopoDS_Shape aNewShell = sfsh->Shell(); |
| 1543 | //aContext->Replace(aShell,aNewShell); |
| 1544 | myContext->Replace(aShell,aNewShell); |
| 1545 | //for history |
| 1546 | /* |
| 1547 | if (!myOldNewMap.IsBound(aShell)) |
| 1548 | { |
| 1549 | TopTools_ListOfShape EmptyList; |
| 1550 | myOldNewMap.Bind(aShell, EmptyList); |
| 1551 | } |
| 1552 | myOldNewMap(aShell).Clear(); |
| 1553 | myOldNewMap(aShell).Append(aNewShell); |
| 1554 | */ |
| 1555 | ///////////// |
| 1556 | } |
| 1557 | //TopoDS_Shape aRes2 = aContext->Apply(aRes1); |
| 1558 | TopoDS_Shape aRes2 = myContext->Apply(aRes1); |
| 1559 | myContext->Replace(myShape,aRes2); |
| 1560 | //for history |
| 1561 | /* |
| 1562 | if (!myOldNewMap.IsBound(aSolid)) |
| 1563 | { |
| 1564 | TopTools_ListOfShape EmptyList; |
| 1565 | myOldNewMap.Bind(aSolid, EmptyList); |
| 1566 | } |
| 1567 | myOldNewMap(aSolid).Clear(); |
| 1568 | myOldNewMap(aSolid).Append(aRes2); |
| 1569 | */ |
| 1570 | ///////////// |
| 1571 | } |
| 1572 | |
| 1573 | myShape = myContext->Apply(myShape); |
| 1574 | } |
| 1575 | |
| 1576 | //======================================================================= |
| 1577 | //function : UnifyFacesAndEdges |
| 1578 | //purpose : |
| 1579 | //======================================================================= |
| 1580 | |
| 1581 | void ShapeUpgrade_UnifySameDomain::UnifyFacesAndEdges() |
| 1582 | { |
| 1583 | UnifyFaces(); |
| 1584 | |
| 1585 | /* |
| 1586 | ShapeUpgrade_RemoveLocations RemLoc; |
| 1587 | RemLoc.Remove(myShape); |
| 1588 | myShape = RemLoc.GetResult(); |
| 1589 | */ |
| 1590 | |
| 1591 | UnifyEdges(); |
| 1592 | } |
| 1593 | |
| 1594 | //======================================================================= |
| 1595 | //function : Build |
| 1596 | //purpose : builds the resulting shape |
| 1597 | //====================================================================== |
| 1598 | void ShapeUpgrade_UnifySameDomain::Build() |
| 1599 | { |
| 1600 | if (myUnifyFaces && myUnifyEdges) |
| 1601 | UnifyFacesAndEdges(); |
| 1602 | |
| 1603 | else if (myUnifyEdges) |
| 1604 | UnifyEdges(); |
| 1605 | else if (myUnifyFaces) |
| 1606 | UnifyFaces(); |
| 1607 | |
| 1608 | //Done(); |
| 1609 | } |
| 1610 | |
| 1611 | //======================================================================= |
| 1612 | //function : Shape |
| 1613 | //purpose : give the resulting shape |
| 1614 | //======================================================================= |
| 1615 | const TopoDS_Shape& ShapeUpgrade_UnifySameDomain::Shape() const |
| 1616 | { |
| 1617 | return myShape; |
| 1618 | } |
| 1619 | |
| 1620 | //======================================================================= |
| 1621 | //function : Generated |
| 1622 | //purpose : returns the new shape from the old one |
| 1623 | //======================================================================= |
| 1624 | TopoDS_Shape ShapeUpgrade_UnifySameDomain::Generated(const TopoDS_Shape& aShape) const |
| 1625 | { |
| 1626 | TopoDS_Shape aNewShape = myContext->Apply(aShape); |
| 1627 | |
| 1628 | if (aNewShape.IsNull()) |
| 1629 | aNewShape = myContext->Apply(myOldShapes(aShape)); |
| 1630 | |
| 1631 | return aNewShape; |
| 1632 | } |