src/GEOMImpl/GEOMImpl_ShapeDriver.cxx

   1 // Copyright (C) 2007-2014  CEA/DEN, EDF R&D, OPEN CASCADE
   2 //
   3 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 //
   6 // This library is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU Lesser General Public
   8 // License as published by the Free Software Foundation; either
   9 // version 2.1 of the License, or (at your option) any later version.
  10 //
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 // Lesser General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU Lesser General Public
  17 // License along with this library; if not, write to the Free Software
  18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 //
  20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  21 //
  22
  23 #include <GEOMImpl_ShapeDriver.hxx>
  24
  25 #include <GEOMImpl_IIsoline.hxx>
  26 #include <GEOMImpl_IShapes.hxx>
  27 #include <GEOMImpl_IVector.hxx>
  28 #include <GEOMImpl_Types.hxx>
  29 #include <GEOMImpl_Block6Explorer.hxx>
  30
  31 #include <GEOM_Function.hxx>
  32 #include <GEOMUtils_Hatcher.hxx>
  33
  34 // OCCT Includes
  35 #include <ShapeFix_Wire.hxx>
  36 #include <ShapeFix_Edge.hxx>
  37 #include <ShapeFix_Shape.hxx>
  38
  39 #include <BRep_Builder.hxx>
  40 #include <BRep_Tool.hxx>
  41 #include <BRepAdaptor_Curve.hxx>
  42 #include <BRepAlgo_FaceRestrictor.hxx>
  43 #include <BRepBuilderAPI_Copy.hxx>
  44 #include <BRepBuilderAPI_Sewing.hxx>
  45 #include <BRepBuilderAPI_MakeWire.hxx>
  46 #include <BRepBuilderAPI_MakeEdge.hxx>
  47 #include <BRepBuilderAPI_MakeSolid.hxx>
  48 #include <BRepCheck.hxx>
  49 #include <BRepCheck_Analyzer.hxx>
  50 #include <BRepCheck_Shell.hxx>
  51 #include <BRepClass3d_SolidClassifier.hxx>
  52 #include <BRepLib.hxx>
  53 #include <BRepLib_MakeEdge.hxx>
  54 #include <BRepTools_WireExplorer.hxx>
  55
  56 #include <ShapeAnalysis.hxx>
  57 #include <ShapeAnalysis_FreeBounds.hxx>
  58
  59 #include <TopAbs.hxx>
  60 #include <TopExp.hxx>
  61 #include <TopExp_Explorer.hxx>
  62 #include <TopoDS.hxx>
  63 #include <TopoDS_Shape.hxx>
  64 #include <TopoDS_Edge.hxx>
  65 #include <TopoDS_Wire.hxx>
  66 #include <TopoDS_Shell.hxx>
  67 #include <TopoDS_Solid.hxx>
  68 #include <TopoDS_Compound.hxx>
  69 #include <TopoDS_Iterator.hxx>
  70
  71 #include <TopTools_MapOfShape.hxx>
  72 #include <TopTools_HSequenceOfShape.hxx>
  73
  74 #include <ElCLib.hxx>
  75
  76 #include <GCPnts_AbscissaPoint.hxx>
  77
  78 #include <Geom_TrimmedCurve.hxx>
  79 #include <Geom_Surface.hxx>
  80 #include <GeomAbs_CurveType.hxx>
  81 #include <GeomConvert_CompCurveToBSplineCurve.hxx>
  82 #include <GeomConvert.hxx>
  83 #include <GeomLProp.hxx>
  84
  85 #include <TColStd_SequenceOfReal.hxx>
  86 #include <TColStd_HSequenceOfTransient.hxx>
  87 #include <TColStd_Array1OfReal.hxx>
  88 #include <TColGeom_SequenceOfCurve.hxx>
  89 #include <TColGeom_Array1OfBSplineCurve.hxx>
  90 #include <TColGeom_HArray1OfBSplineCurve.hxx>
  91
  92 #include <Precision.hxx>
  93
  94 #include <Standard_NullObject.hxx>
  95 #include <Standard_TypeMismatch.hxx>
  96 #include <Standard_ConstructionError.hxx>
  97
  98 //modified by NIZNHY-PKV Wed Dec 28 13:48:20 2011f
  99 //static
 100 //  void KeepEdgesOrder(const Handle(TopTools_HSequenceOfShape)& aEdges,
 101 //                    const Handle(TopTools_HSequenceOfShape)& aWires);
 102 //modified by NIZNHY-PKV Wed Dec 28 13:48:23 2011t
 103
 104 //=======================================================================
 105 //function : GetID
 106 //purpose  :
 107 //=======================================================================
 108 const Standard_GUID& GEOMImpl_ShapeDriver::GetID()
 109 {
 110   static Standard_GUID aShapeDriver("FF1BBB54-5D14-4df2-980B-3A668264EA16");
 111   return aShapeDriver;
 112 }
 113
 114
 115 //=======================================================================
 116 //function : GEOMImpl_ShapeDriver
 117 //purpose  :
 118 //=======================================================================
 119 GEOMImpl_ShapeDriver::GEOMImpl_ShapeDriver()
 120 {
 121 }
 122
 123 //=======================================================================
 124 //function : Execute
 125 //purpose  :
 126 //=======================================================================
 127 Standard_Integer GEOMImpl_ShapeDriver::Execute(TFunction_Logbook& log) const
 128 {
 129   if (Label().IsNull()) return 0;
 130   Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
 131
 132   GEOMImpl_IShapes aCI (aFunction);
 133   Standard_Integer aType = aFunction->GetType();
 134
 135   TopoDS_Shape aShape;
 136   TCollection_AsciiString aWarning;
 137   TopAbs_ShapeEnum anExpectedType = TopAbs_SHAPE;
 138
 139   BRep_Builder B;
 140
 141   if (aType == WIRE_EDGES) {
 142     anExpectedType = TopAbs_WIRE;
 143
 144     Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
 145
 146     Standard_Real aTolerance = aCI.GetTolerance();
 147     if (aTolerance < Precision::Confusion())
 148       aTolerance = Precision::Confusion();
 149
 150     aShape = MakeWireFromEdges(aShapes, aTolerance);
 151   }
 152   else if (aType == FACE_WIRE) {
 153     anExpectedType = TopAbs_FACE;
 154
 155     Handle(GEOM_Function) aRefBase = aCI.GetBase();
 156     TopoDS_Shape aShapeBase = aRefBase->GetValue();
 157     if (aShapeBase.IsNull()) Standard_NullObject::Raise("Argument Shape is null");
 158     TopoDS_Wire W;
 159     if (aShapeBase.ShapeType() == TopAbs_WIRE) {
 160       W = TopoDS::Wire(aShapeBase);
 161       // check the wire is closed
 162       TopoDS_Vertex aV1, aV2;
 163       TopExp::Vertices(W, aV1, aV2);
 164       if ( !aV1.IsNull() && !aV2.IsNull() && aV1.IsSame(aV2) )
 165         aShapeBase.Closed(true);
 166       else
 167         Standard_NullObject::Raise
 168           ("Shape for face construction is not closed");
 169     }
 170     else if (aShapeBase.ShapeType() == TopAbs_EDGE && aShapeBase.Closed()) {
 171       BRepBuilderAPI_MakeWire MW;
 172       MW.Add(TopoDS::Edge(aShapeBase));
 173       if (!MW.IsDone()) {
 174         Standard_ConstructionError::Raise("Wire construction failed");
 175       }
 176       W = MW;
 177     }
 178     else {
 179       Standard_NullObject::Raise
 180         ("Shape for face construction is neither a wire nor a closed edge");
 181     }
 182     aWarning = GEOMImpl_Block6Explorer::MakeFace(W, aCI.GetIsPlanar(), aShape);
 183     if (aShape.IsNull()) {
 184       Standard_ConstructionError::Raise("Face construction failed");
 185     }
 186   }
 187   else if (aType == FACE_WIRES) {
 188     anExpectedType = TopAbs_FACE;
 189
 190     // Try to build a face from a set of wires and edges
 191     int ind;
 192
 193     Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
 194     int nbshapes = aShapes->Length();
 195     if (nbshapes < 1) {
 196       Standard_ConstructionError::Raise("No wires or edges given");
 197     }
 198
 199     // 1. Extract all edges from the given arguments
 200     TopTools_MapOfShape aMapEdges;
 201     Handle(TopTools_HSequenceOfShape) aSeqEdgesIn = new TopTools_HSequenceOfShape;
 202
 203     for (ind = 1; ind <= nbshapes; ind++) {
 204       Handle(GEOM_Function) aRefSh_i = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
 205       TopoDS_Shape aSh_i = aRefSh_i->GetValue();
 206
 207       TopExp_Explorer anExpE_i (aSh_i, TopAbs_EDGE);
 208       for (; anExpE_i.More(); anExpE_i.Next()) {
 209         if (aMapEdges.Add(anExpE_i.Current())) {
 210           aSeqEdgesIn->Append(anExpE_i.Current());
 211         }
 212       }
 213     }
 214
 215     if (aSeqEdgesIn->IsEmpty()) {
 216       Standard_ConstructionError::Raise("No edges given");
 217     }
 218
 219     // 2. Connect edges to wires of maximum length
 220     Handle(TopTools_HSequenceOfShape) aSeqWiresOut;
 221     ShapeAnalysis_FreeBounds::ConnectEdgesToWires(aSeqEdgesIn, Precision::Confusion(),
 222                                                   /*shared*/Standard_False, aSeqWiresOut);
 223     //modified by NIZNHY-PKV Wed Dec 28 13:46:55 2011f
 224     //KeepEdgesOrder(aSeqEdgesIn, aSeqWiresOut);
 225     //modified by NIZNHY-PKV Wed Dec 28 13:46:59 2011t
 226
 227     // 3. Separate closed wires
 228     Handle(TopTools_HSequenceOfShape) aSeqClosedWires = new TopTools_HSequenceOfShape;
 229     Handle(TopTools_HSequenceOfShape) aSeqOpenWires = new TopTools_HSequenceOfShape;
 230     for (ind = 1; ind <= aSeqWiresOut->Length(); ind++) {
 231       if (aSeqWiresOut->Value(ind).Closed())
 232         aSeqClosedWires->Append(aSeqWiresOut->Value(ind));
 233       else
 234         aSeqOpenWires->Append(aSeqWiresOut->Value(ind));
 235     }
 236
 237     if (aSeqClosedWires->Length() < 1) {
 238       Standard_ConstructionError::Raise
 239         ("There is no closed contour can be built from the given arguments");
 240     }
 241
 242     // 4. Build a face / list of faces from all the obtained closed wires
 243
 244     // 4.a. Basic face
 245     TopoDS_Shape aFFace;
 246     TopoDS_Wire aW1 = TopoDS::Wire(aSeqClosedWires->Value(1));
 247     aWarning = GEOMImpl_Block6Explorer::MakeFace(aW1, aCI.GetIsPlanar(), aFFace);
 248     if (aFFace.IsNull()) {
 249       Standard_ConstructionError::Raise("Face construction failed");
 250     }
 251
 252     // 4.b. Add other wires
 253     if (aSeqClosedWires->Length() == 1) {
 254       aShape = aFFace;
 255     }
 256     else {
 257       TopoDS_Compound C;
 258       BRep_Builder aBuilder;
 259       aBuilder.MakeCompound(C);
 260       BRepAlgo_FaceRestrictor FR;
 261
 262       TopAbs_Orientation OriF = aFFace.Orientation();
 263       TopoDS_Shape aLocalS = aFFace.Oriented(TopAbs_FORWARD);
 264       FR.Init(TopoDS::Face(aLocalS), Standard_False, Standard_True);
 265
 266       for (ind = 1; ind <= aSeqClosedWires->Length(); ind++) {
 267         TopoDS_Wire aW = TopoDS::Wire(aSeqClosedWires->Value(ind));
 268         FR.Add(aW);
 269       }
 270
 271       FR.Perform();
 272
 273       if (FR.IsDone()) {
 274         int k = 0;
 275         TopoDS_Shape aFace;
 276         for (; FR.More(); FR.Next()) {
 277           aFace = FR.Current().Oriented(OriF);
 278           aBuilder.Add(C, aFace);
 279           k++;
 280         }
 281         if (k == 1) {
 282           aShape = aFace;
 283         } else {
 284           aShape = C;
 285         }
 286       }
 287     }
 288
 289     // 5. Add all open wires to the result
 290     if (aSeqOpenWires->Length() > 0) {
 291       //Standard_ConstructionError::Raise("There are some open wires");
 292       TopoDS_Compound C;
 293       BRep_Builder aBuilder;
 294       if (aSeqClosedWires->Length() == 1) {
 295         aBuilder.MakeCompound(C);
 296         aBuilder.Add(C, aShape);
 297       }
 298       else {
 299         C = TopoDS::Compound(aShape);
 300       }
 301
 302       for (ind = 1; ind <= aSeqOpenWires->Length(); ind++) {
 303         aBuilder.Add(C, aSeqOpenWires->Value(ind));
 304       }
 305
 306       aShape = C;
 307     }
 308   }
 309   else if (aType == SHELL_FACES) {
 310     anExpectedType = TopAbs_SHELL;
 311
 312     Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
 313     unsigned int ind, nbshapes = aShapes->Length();
 314
 315     // add faces
 316     BRepBuilderAPI_Sewing aSewing (Precision::Confusion()*10.0);
 317     for (ind = 1; ind <= nbshapes; ind++) {
 318       Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
 319       TopoDS_Shape aShape_i = aRefShape->GetValue();
 320       if (aShape_i.IsNull()) {
 321         Standard_NullObject::Raise("Face for shell construction is null");
 322       }
 323       aSewing.Add(aShape_i);
 324     }
 325
 326     aSewing.Perform();
 327
 328     TopoDS_Shape sh = aSewing.SewedShape();
 329
 330     if (sh.ShapeType()==TopAbs_FACE && nbshapes==1) {
 331       // case for creation of shell from one face - PAL12722 (skl 26.06.2006)
 332       TopoDS_Shell ss;
 333       B.MakeShell(ss);
 334       B.Add(ss,sh);
 335       aShape = ss;
 336     }
 337     else {
 338       //TopExp_Explorer exp (aSewing.SewedShape(), TopAbs_SHELL);
 339       TopExp_Explorer exp (sh, TopAbs_SHELL);
 340       Standard_Integer ish = 0;
 341       for (; exp.More(); exp.Next()) {
 342         aShape = exp.Current();
 343         ish++;
 344       }
 345
 346       if (ish != 1) {
 347         // try the case of one face (Mantis issue 0021809)
 348         TopExp_Explorer expF (sh, TopAbs_FACE);
 349         Standard_Integer ifa = 0;
 350         for (; expF.More(); expF.Next()) {
 351           aShape = expF.Current();
 352           ifa++;
 353         }
 354
 355         if (ifa == 1) {
 356           TopoDS_Shell ss;
 357           B.MakeShell(ss);
 358           B.Add(ss,aShape);
 359           aShape = ss;
 360         }
 361         else {
 362           aShape = aSewing.SewedShape();
 363         }
 364       }
 365     }
 366
 367   }
 368   else if (aType == SOLID_SHELLS) {
 369     anExpectedType = TopAbs_SOLID;
 370
 371     Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
 372     unsigned int ind, nbshapes = aShapes->Length();
 373     Standard_Integer ish = 0;
 374     BRepBuilderAPI_MakeSolid aMkSolid;
 375
 376     // add shapes
 377     for (ind = 1; ind <= nbshapes; ind++) {
 378       Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
 379       TopoDS_Shape aShapeShell = aRefShape->GetValue();
 380       if (aShapeShell.IsNull()) {
 381         Standard_NullObject::Raise("Shell for solid construction is null");
 382       }
 383       if (aShapeShell.ShapeType() == TopAbs_COMPOUND) {
 384         TopoDS_Iterator It (aShapeShell, Standard_True, Standard_True);
 385         if (It.More()) aShapeShell = It.Value();
 386       }
 387       if (aShapeShell.ShapeType() == TopAbs_SHELL) {
 388         aMkSolid.Add(TopoDS::Shell(aShapeShell));
 389         ish++;
 390       }
 391     }
 392     if (ish == 0 || !aMkSolid.IsDone()) return 0;
 393
 394     TopoDS_Solid Sol = aMkSolid.Solid();
 395     BRepClass3d_SolidClassifier SC (Sol);
 396     SC.PerformInfinitePoint(Precision::Confusion());
 397     if (SC.State() == TopAbs_IN)
 398       aShape = Sol.Reversed();
 399     else
 400       aShape = Sol;
 401   }
 402   else if (aType == COMPOUND_SHAPES) {
 403     anExpectedType = TopAbs_COMPOUND;
 404
 405     Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
 406     unsigned int ind, nbshapes = aShapes->Length();
 407
 408     // add shapes
 409     TopoDS_Compound C;
 410     B.MakeCompound(C);
 411     for (ind = 1; ind <= nbshapes; ind++) {
 412       Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(ind));
 413       TopoDS_Shape aShape_i = aRefShape->GetValue();
 414       if (aShape_i.IsNull()) {
 415         Standard_NullObject::Raise("Shape for compound construction is null");
 416       }
 417       B.Add(C, aShape_i);
 418     }
 419
 420     aShape = C;
 421
 422   }
 423   else if (aType == EDGE_WIRE) {
 424     anExpectedType = TopAbs_EDGE;
 425
 426     Handle(GEOM_Function) aRefBase = aCI.GetBase();
 427     TopoDS_Shape aWire = aRefBase->GetValue();
 428     Standard_Real LinTol = aCI.GetTolerance();
 429     Standard_Real AngTol = aCI.GetAngularTolerance();
 430     if (aWire.IsNull()) Standard_NullObject::Raise("Argument Wire is null");
 431
 432     aShape = MakeEdgeFromWire(aWire, LinTol, AngTol);
 433   }
 434   else if (aType == EDGE_CURVE_LENGTH) {
 435     anExpectedType = TopAbs_EDGE;
 436
 437     GEOMImpl_IVector aVI (aFunction);
 438
 439     // RefCurve
 440     Handle(GEOM_Function) aRefCurve = aVI.GetPoint1();
 441     if (aRefCurve.IsNull()) Standard_NullObject::Raise("Argument Curve is null");
 442     TopoDS_Shape aRefShape1 = aRefCurve->GetValue();
 443     if (aRefShape1.ShapeType() != TopAbs_EDGE) {
 444       Standard_TypeMismatch::Raise
 445         ("Edge On Curve creation aborted : curve shape is not an edge");
 446     }
 447     TopoDS_Edge aRefEdge = TopoDS::Edge(aRefShape1);
 448     TopoDS_Vertex V1, V2;
 449     TopExp::Vertices(aRefEdge, V1, V2, Standard_True);
 450
 451     // RefPoint
 452     TopoDS_Vertex aRefVertex;
 453     Handle(GEOM_Function) aRefPoint = aVI.GetPoint2();
 454     if (aRefPoint.IsNull()) {
 455       aRefVertex = V1;
 456     }
 457     else {
 458       TopoDS_Shape aRefShape2 = aRefPoint->GetValue();
 459       if (aRefShape2.ShapeType() != TopAbs_VERTEX) {
 460         Standard_TypeMismatch::Raise
 461           ("Edge On Curve creation aborted : start point shape is not a vertex");
 462       }
 463       aRefVertex = TopoDS::Vertex(aRefShape2);
 464     }
 465     gp_Pnt aRefPnt = BRep_Tool::Pnt(aRefVertex);
 466
 467     // Length
 468     Standard_Real aLength = aVI.GetParameter();
 469     //Standard_Real aCurveLength = IntTools::Length(aRefEdge);
 470     //if (aLength > aCurveLength) {
 471     //  Standard_ConstructionError::Raise
 472     //    ("Edge On Curve creation aborted : given length is greater than edges length");
 473     //}
 474     if (fabs(aLength) < Precision::Confusion()) {
 475       Standard_ConstructionError::Raise
 476         ("Edge On Curve creation aborted : given length is smaller than Precision::Confusion()");
 477     }
 478
 479     // Check orientation
 480     Standard_Real UFirst, ULast;
 481     Handle(Geom_Curve) EdgeCurve = BRep_Tool::Curve(aRefEdge, UFirst, ULast);
 482     Handle(Geom_Curve) ReOrientedCurve = EdgeCurve;
 483
 484     Standard_Real dU = ULast - UFirst;
 485     Standard_Real par1 = UFirst + 0.1 * dU;
 486     Standard_Real par2 = ULast  - 0.1 * dU;
 487
 488     gp_Pnt P1 = EdgeCurve->Value(par1);
 489     gp_Pnt P2 = EdgeCurve->Value(par2);
 490
 491     if (aRefPnt.SquareDistance(P2) < aRefPnt.SquareDistance(P1)) {
 492       ReOrientedCurve = EdgeCurve->Reversed();
 493       UFirst = EdgeCurve->ReversedParameter(ULast);
 494     }
 495
 496     // Get the point by length
 497     GeomAdaptor_Curve AdapCurve = GeomAdaptor_Curve(ReOrientedCurve);
 498     GCPnts_AbscissaPoint anAbsPnt (AdapCurve, aLength, UFirst);
 499     Standard_Real aParam = anAbsPnt.Parameter();
 500
 501     if (AdapCurve.IsClosed() && aLength < 0.0) {
 502       Standard_Real aTmp = aParam;
 503       aParam = UFirst;
 504       UFirst = aTmp;
 505     }
 506
 507     BRepBuilderAPI_MakeEdge aME (ReOrientedCurve, UFirst, aParam);
 508     if (aME.IsDone())
 509       aShape = aME.Shape();
 510   } else if (aType == SHAPE_ISOLINE) {
 511     GEOMImpl_IIsoline     aII (aFunction);
 512     Handle(GEOM_Function) aRefFace = aII.GetFace();
 513     TopoDS_Shape          aShapeFace = aRefFace->GetValue();
 514
 515     if (aShapeFace.ShapeType() == TopAbs_FACE) {
 516       TopoDS_Face   aFace  = TopoDS::Face(aShapeFace);
 517       bool          isUIso = aII.GetIsUIso();
 518       Standard_Real aParam = aII.GetParameter();
 519       Standard_Real U1,U2,V1,V2;
 520
 521       // Construct a real geometric parameter.
 522       aFace.Orientation(TopAbs_FORWARD);
 523       ShapeAnalysis::GetFaceUVBounds(aFace,U1,U2,V1,V2);
 524
 525       if (isUIso) {
 526         aParam = U1 + (U2 - U1)*aParam;
 527       } else {
 528         aParam = V1 + (V2 - V1)*aParam;
 529       }
 530
 531       aShape = MakeIsoline(aFace, isUIso, aParam);
 532     } else {
 533       Standard_NullObject::Raise
 534         ("Shape for isoline construction is not a face");
 535     }
 536   }
 537   else {
 538   }
 539
 540   if (aShape.IsNull()) return 0;
 541
 542   // Check shape validity
 543   BRepCheck_Analyzer ana (aShape, false);
 544   if (!ana.IsValid()) {
 545     //Standard_ConstructionError::Raise("Algorithm have produced an invalid shape result");
 546     // For Mantis issue 0021772: EDF 2336 GEOM: Non valid face created from two circles
 547     Handle(ShapeFix_Shape) aSfs = new ShapeFix_Shape (aShape);
 548     aSfs->Perform();
 549     aShape = aSfs->Shape();
 550   }
 551
 552   // Check if the result shape type is compatible with the expected.
 553   const TopAbs_ShapeEnum aShType = aShape.ShapeType();
 554
 555   if (anExpectedType != TopAbs_SHAPE && anExpectedType != aShType) {
 556     Standard_ConstructionError::Raise("Result type check failed");
 557   }
 558
 559   aFunction->SetValue(aShape);
 560
 561   log.SetTouched(Label());
 562
 563   if (!aWarning.IsEmpty())
 564     Standard_Failure::Raise(aWarning.ToCString());
 565
 566   return 1;
 567 }
 568
 569 TopoDS_Wire GEOMImpl_ShapeDriver::MakeWireFromEdges(const Handle(TColStd_HSequenceOfTransient)& theEdgesFuncs,
 570                                                     const Standard_Real theTolerance)
 571 {
 572   BRep_Builder B;
 573
 574   TopoDS_Wire aWire;
 575   B.MakeWire(aWire);
 576
 577   // add edges
 578   for (unsigned int ind = 1; ind <= theEdgesFuncs->Length(); ind++) {
 579     Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast(theEdgesFuncs->Value(ind));
 580     TopoDS_Shape aShape_i = aRefShape->GetValue();
 581     if (aShape_i.IsNull()) {
 582       Standard_NullObject::Raise("Shape for wire construction is null");
 583     }
 584     if (aShape_i.ShapeType() == TopAbs_EDGE || aShape_i.ShapeType() == TopAbs_WIRE) {
 585       TopExp_Explorer exp (aShape_i, TopAbs_EDGE);
 586       for (; exp.More(); exp.Next())
 587         B.Add(aWire, TopoDS::Edge(exp.Current()));
 588     } else {
 589       Standard_TypeMismatch::Raise
 590         ("Shape for wire construction is neither an edge nor a wire");
 591     }
 592   }
 593
 594   // fix edges order
 595   Handle(ShapeFix_Wire) aFW = new ShapeFix_Wire;
 596   aFW->Load(aWire);
 597   aFW->FixReorder();
 598
 599   if (aFW->StatusReorder(ShapeExtend_FAIL1)) {
 600     Standard_ConstructionError::Raise("Wire construction failed: several loops detected");
 601   }
 602   else if (aFW->StatusReorder(ShapeExtend_FAIL)) {
 603     Standard_ConstructionError::Raise("Wire construction failed");
 604   }
 605   else {
 606   }
 607
 608   // IMP 0019766: Building a Wire from unconnected edges by introducing a tolerance
 609   aFW->ClosedWireMode() = Standard_False;
 610   aFW->FixConnected(theTolerance);
 611   if (aFW->StatusConnected(ShapeExtend_FAIL)) {
 612     Standard_ConstructionError::Raise("Wire construction failed: cannot build connected wire");
 613   }
 614   // IMP 0019766
 615   if (aFW->StatusConnected(ShapeExtend_DONE3)) {
 616     // Confused with <prec> but not Analyzer.Precision(), set the same
 617     aFW->FixGapsByRangesMode() = Standard_True;
 618     if (aFW->FixGaps3d()) {
 619       Handle(ShapeExtend_WireData) sbwd = aFW->WireData();
 620       Handle(ShapeFix_Edge) aFe = new ShapeFix_Edge;
 621       for (Standard_Integer iedge = 1; iedge <= sbwd->NbEdges(); iedge++) {
 622         TopoDS_Edge aEdge = TopoDS::Edge(sbwd->Edge(iedge));
 623         aFe->FixVertexTolerance(aEdge);
 624         aFe->FixSameParameter(aEdge);
 625       }
 626     }
 627     else if (aFW->StatusGaps3d(ShapeExtend_FAIL)) {
 628       Standard_ConstructionError::Raise("Wire construction failed: cannot fix 3d gaps");
 629     }
 630   }
 631   aWire = aFW->WireAPIMake();
 632
 633   return aWire;
 634 }
 635
 636 TopoDS_Edge GEOMImpl_ShapeDriver::MakeEdgeFromWire(const TopoDS_Shape& aWire,
 637                                                    const Standard_Real LinTol,
 638                                                    const Standard_Real AngTol)
 639 {
 640     TopoDS_Edge ResEdge;
 641
 642     BRepLib::BuildCurves3d(aWire);
 643     Handle(ShapeFix_Shape) Fixer = new ShapeFix_Shape(aWire);
 644     Fixer->SetPrecision(LinTol);
 645     Fixer->SetMaxTolerance(LinTol);
 646     Fixer->Perform();
 647     TopoDS_Wire theWire = TopoDS::Wire(Fixer->Shape());
 648
 649     TColGeom_SequenceOfCurve CurveSeq;
 650     TopTools_SequenceOfShape LocSeq;
 651     TColStd_SequenceOfReal FparSeq;
 652     TColStd_SequenceOfReal LparSeq;
 653     TColStd_SequenceOfReal TolSeq;
 654     GeomAbs_CurveType CurType;
 655     TopoDS_Vertex FirstVertex, LastVertex;
 656
 657     BRepTools_WireExplorer wexp(theWire) ;
 658     for (; wexp.More(); wexp.Next())
 659     {
 660       TopoDS_Edge anEdge = wexp.Current();
 661       Standard_Real fpar, lpar;
 662       TopLoc_Location aLoc;
 663       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aLoc, fpar, lpar);
 664       if (aCurve.IsNull())
 665         continue;
 666
 667       BRepAdaptor_Curve BAcurve(anEdge);
 668       GeomAbs_CurveType aType = BAcurve.GetType();
 669
 670       Handle(Geom_Curve) aBasisCurve = BAcurve.Curve().Curve();
 671
 672       if (aBasisCurve->IsPeriodic())
 673         ElCLib::AdjustPeriodic(aBasisCurve->FirstParameter(), aBasisCurve->LastParameter(),
 674                                Precision::PConfusion(), fpar, lpar);
 675
 676       if (CurveSeq.IsEmpty())
 677       {
 678         CurveSeq.Append(aCurve);
 679         TopoDS_Shape aLocShape;
 680         aLocShape.Location(aLoc);
 681         aLocShape.Orientation(wexp.Orientation());
 682         LocSeq.Append(aLocShape);
 683         FparSeq.Append(fpar);
 684         LparSeq.Append(lpar);
 685         CurType = aType;
 686         FirstVertex = wexp.CurrentVertex();
 687       }
 688       else
 689       {
 690         Standard_Boolean Done = Standard_False;
 691         Standard_Real NewFpar, NewLpar;
 692         GeomAdaptor_Curve GAprevcurve(CurveSeq.Last());
 693         TopoDS_Vertex CurVertex = wexp.CurrentVertex();
 694         TopoDS_Vertex CurFirstVer = TopExp::FirstVertex(anEdge);
 695         TopAbs_Orientation ConnectByOrigin = (CurVertex.IsSame(CurFirstVer))? TopAbs_FORWARD : TopAbs_REVERSED;
 696         if (aCurve == CurveSeq.Last())
 697         {
 698           NewFpar = fpar;
 699           NewLpar = lpar;
 700           if (aBasisCurve->IsPeriodic())
 701           {
 702             if (NewLpar < NewFpar)
 703               NewLpar += aBasisCurve->Period();
 704             if (ConnectByOrigin == TopAbs_FORWARD)
 705               ElCLib::AdjustPeriodic(FparSeq.Last(),
 706                                      FparSeq.Last() + aBasisCurve->Period(),
 707                                      Precision::PConfusion(), NewFpar, NewLpar);
 708             else
 709               ElCLib::AdjustPeriodic(FparSeq.Last() - aBasisCurve->Period(),
 710                                      FparSeq.Last(),
 711                                      Precision::PConfusion(), NewFpar, NewLpar);
 712           }
 713           Done = Standard_True;
 714         }
 715         else if (aType == CurType &&
 716                  aType != GeomAbs_BezierCurve &&
 717                  aType != GeomAbs_BSplineCurve &&
 718                  aType != GeomAbs_OtherCurve)
 719         {
 720           switch (aType)
 721           {
 722           case GeomAbs_Line:
 723             {
 724               gp_Lin aLine    = BAcurve.Line();
 725               gp_Lin PrevLine = GAprevcurve.Line();
 726               if (aLine.Contains(PrevLine.Location(), LinTol) &&
 727                   aLine.Direction().IsParallel(PrevLine.Direction(), AngTol))
 728               {
 729                 gp_Pnt P1 = ElCLib::Value(fpar, aLine);
 730                 gp_Pnt P2 = ElCLib::Value(lpar, aLine);
 731                 NewFpar = ElCLib::Parameter(PrevLine, P1);
 732                 NewLpar = ElCLib::Parameter(PrevLine, P2);
 733                 if (NewLpar < NewFpar)
 734                 {
 735                   Standard_Real MemNewFpar = NewFpar;
 736                   NewFpar = NewLpar;
 737                   NewLpar = MemNewFpar;
 738                   ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
 739                 }
 740                 Done = Standard_True;
 741               }
 742               break;
 743             }
 744           case GeomAbs_Circle:
 745             {
 746               gp_Circ aCircle    = BAcurve.Circle();
 747               gp_Circ PrevCircle = GAprevcurve.Circle();
 748               if (aCircle.Location().Distance(PrevCircle.Location()) <= LinTol &&
 749                   Abs(aCircle.Radius() - PrevCircle.Radius()) <= LinTol &&
 750                   aCircle.Axis().IsParallel(PrevCircle.Axis(), AngTol))
 751               {
 752                 if (aCircle.Axis().Direction() * PrevCircle.Axis().Direction() < 0.)
 753                 {
 754                   Standard_Real memfpar = fpar;
 755                   fpar = lpar;
 756                   lpar = memfpar;
 757                   ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
 758                 }
 759                 gp_Pnt P1 = ElCLib::Value(fpar, aCircle);
 760                 gp_Pnt P2 = ElCLib::Value(lpar, aCircle);
 761                 NewFpar = ElCLib::Parameter(PrevCircle, P1);
 762                 NewLpar = ElCLib::Parameter(PrevCircle, P2);
 763                 if (NewLpar < NewFpar)
 764                   NewLpar += 2.*M_PI;
 765                 //Standard_Real MemNewFpar = NewFpar, MemNewLpar =  NewLpar;
 766                 if (ConnectByOrigin == TopAbs_FORWARD)
 767                   ElCLib::AdjustPeriodic(FparSeq.Last(),
 768                                          FparSeq.Last() + 2.*M_PI,
 769                                          Precision::PConfusion(), NewFpar, NewLpar);
 770                 else
 771                   ElCLib::AdjustPeriodic(FparSeq.Last() - 2.*M_PI,
 772                                          FparSeq.Last(),
 773                                          Precision::PConfusion(), NewFpar, NewLpar);
 774                 Done = Standard_True;
 775               }
 776               break;
 777             }
 778           case GeomAbs_Ellipse:
 779             {
 780               gp_Elips anEllipse   = BAcurve.Ellipse();
 781               gp_Elips PrevEllipse = GAprevcurve.Ellipse();
 782               if (anEllipse.Focus1().Distance(PrevEllipse.Focus1()) <= LinTol &&
 783                   anEllipse.Focus2().Distance(PrevEllipse.Focus2()) <= LinTol &&
 784                   Abs(anEllipse.MajorRadius() - PrevEllipse.MajorRadius()) <= LinTol &&
 785                   Abs(anEllipse.MinorRadius() - PrevEllipse.MinorRadius()) <= LinTol &&
 786                   anEllipse.Axis().IsParallel(PrevEllipse.Axis(), AngTol))
 787               {
 788                 if (anEllipse.Axis().Direction() * PrevEllipse.Axis().Direction() < 0.)
 789                 {
 790                   Standard_Real memfpar = fpar;
 791                   fpar = lpar;
 792                   lpar = memfpar;
 793                   ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
 794                 }
 795                 gp_Pnt P1 = ElCLib::Value(fpar, anEllipse);
 796                 gp_Pnt P2 = ElCLib::Value(lpar, anEllipse);
 797                 NewFpar = ElCLib::Parameter(PrevEllipse, P1);
 798                 NewLpar = ElCLib::Parameter(PrevEllipse, P2);
 799                 if (NewLpar < NewFpar)
 800                   NewLpar += 2.*M_PI;
 801                 if (ConnectByOrigin == TopAbs_FORWARD)
 802                   ElCLib::AdjustPeriodic(FparSeq.Last(),
 803                                          FparSeq.Last() + 2.*M_PI,
 804                                          Precision::PConfusion(), NewFpar, NewLpar);
 805                 else
 806                   ElCLib::AdjustPeriodic(FparSeq.Last() - 2.*M_PI,
 807                                          FparSeq.Last(),
 808                                          Precision::PConfusion(), NewFpar, NewLpar);
 809                 Done = Standard_True;
 810               }
 811               break;
 812             }
 813           case GeomAbs_Hyperbola:
 814             {
 815               gp_Hypr aHypr    = BAcurve.Hyperbola();
 816               gp_Hypr PrevHypr = GAprevcurve.Hyperbola();
 817               if (aHypr.Focus1().Distance(PrevHypr.Focus1()) <= LinTol &&
 818                   aHypr.Focus2().Distance(PrevHypr.Focus2()) <= LinTol &&
 819                   Abs(aHypr.MajorRadius() - PrevHypr.MajorRadius()) <= LinTol &&
 820                   Abs(aHypr.MinorRadius() - PrevHypr.MinorRadius()) <= LinTol &&
 821                   aHypr.Axis().IsParallel(PrevHypr.Axis(), AngTol))
 822               {
 823                 gp_Pnt P1 = ElCLib::Value(fpar, aHypr);
 824                 gp_Pnt P2 = ElCLib::Value(lpar, aHypr);
 825                 NewFpar = ElCLib::Parameter(PrevHypr, P1);
 826                 NewLpar = ElCLib::Parameter(PrevHypr, P2);
 827                 if (NewLpar < NewFpar)
 828                 {
 829                   Standard_Real MemNewFpar = NewFpar;
 830                   NewFpar = NewLpar;
 831                   NewLpar = MemNewFpar;
 832                   ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
 833                 }
 834                 Done = Standard_True;
 835               }
 836               break;
 837             }
 838           case GeomAbs_Parabola:
 839             {
 840               gp_Parab aParab    = BAcurve.Parabola();
 841               gp_Parab PrevParab = GAprevcurve.Parabola();
 842               if (aParab.Location().Distance(PrevParab.Location()) <= LinTol &&
 843                   aParab.Focus().Distance(PrevParab.Focus()) <= LinTol &&
 844                   Abs(aParab.Focal() - PrevParab.Focal()) <= LinTol &&
 845                   aParab.Axis().IsParallel(PrevParab.Axis(), AngTol))
 846               {
 847                 gp_Pnt P1 = ElCLib::Value(fpar, aParab);
 848                 gp_Pnt P2 = ElCLib::Value(lpar, aParab);
 849                 NewFpar = ElCLib::Parameter(PrevParab, P1);
 850                 NewLpar = ElCLib::Parameter(PrevParab, P2);
 851                 if (NewLpar < NewFpar)
 852                 {
 853                   Standard_Real MemNewFpar = NewFpar;
 854                   NewFpar = NewLpar;
 855                   NewLpar = MemNewFpar;
 856                   ConnectByOrigin = TopAbs::Reverse(ConnectByOrigin);
 857                 }
 858                 Done = Standard_True;
 859               }
 860               break;
 861             }
 862           } //end of switch (aType)
 863         } // end of else if (aType == CurType && ...
 864         if (Done)
 865         {
 866           if (NewFpar < FparSeq.Last())
 867             FparSeq(FparSeq.Length()) = NewFpar;
 868           else
 869             LparSeq(LparSeq.Length()) = NewLpar;
 870         }
 871         else
 872         {
 873           CurveSeq.Append(aCurve);
 874           TopoDS_Shape aLocShape;
 875           aLocShape.Location(aLoc);
 876           aLocShape.Orientation(wexp.Orientation());
 877           LocSeq.Append(aLocShape);
 878           FparSeq.Append(fpar);
 879           LparSeq.Append(lpar);
 880           TolSeq.Append(BRep_Tool::Tolerance(CurVertex));
 881           CurType = aType;
 882         }
 883       } // end of else (CurveSeq.IsEmpty()) -> not first time
 884     } // end for (; wexp.More(); wexp.Next())
 885
 886     LastVertex = wexp.CurrentVertex();
 887     TolSeq.Append(BRep_Tool::Tolerance(LastVertex));
 888
 889     FirstVertex.Orientation(TopAbs_FORWARD);
 890     LastVertex.Orientation(TopAbs_REVERSED);
 891
 892     if (!CurveSeq.IsEmpty())
 893     {
 894       Standard_Integer nb_curve = CurveSeq.Length();   //number of curves
 895       TColGeom_Array1OfBSplineCurve tab(0,nb_curve-1);                    //array of the curves
 896       TColStd_Array1OfReal tabtolvertex(0,nb_curve-1); //(0,nb_curve-2);  //array of the tolerances
 897
 898       Standard_Integer i;
 899
 900       if (nb_curve > 1)
 901       {
 902         for (i = 1; i <= nb_curve; i++)
 903         {
 904           if (CurveSeq(i)->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve)))
 905             CurveSeq(i) = (*((Handle(Geom_TrimmedCurve)*)&(CurveSeq(i))))->BasisCurve();
 906
 907           Handle(Geom_TrimmedCurve) aTrCurve = new Geom_TrimmedCurve(CurveSeq(i), FparSeq(i), LparSeq(i));
 908           tab(i-1) = GeomConvert::CurveToBSplineCurve(aTrCurve);
 909           tab(i-1)->Transform(LocSeq(i).Location().Transformation());
 910           GeomConvert::C0BSplineToC1BSplineCurve(tab(i-1), Precision::Confusion());
 911           if (LocSeq(i).Orientation() == TopAbs_REVERSED)
 912             tab(i-1)->Reverse();
 913
 914           //Temporary
 915           //char* name = new char[100];
 916           //sprintf(name, "c%d", i);
 917           //DrawTrSurf::Set(name, tab(i-1));
 918
 919           if (i > 1)
 920             tabtolvertex(i-2) = TolSeq(i-1);
 921         } // end for (i = 1; i <= nb_curve; i++)
 922         tabtolvertex(nb_curve-1) = TolSeq(TolSeq.Length());
 923
 924         Standard_Boolean closed_flag = Standard_False;
 925         Standard_Real closed_tolerance = 0.;
 926         if (FirstVertex.IsSame(LastVertex) &&
 927             GeomLProp::Continuity(tab(0), tab(nb_curve-1),
 928                                   tab(0)->FirstParameter(),
 929                                   tab(nb_curve-1)->LastParameter(),
 930                                   Standard_False, Standard_False, LinTol, AngTol) >= GeomAbs_G1)
 931         {
 932           closed_flag = Standard_True ;
 933           closed_tolerance = BRep_Tool::Tolerance(FirstVertex);
 934         }
 935
 936         Handle(TColGeom_HArray1OfBSplineCurve)  concatcurve;     //array of the concatenated curves
 937         Handle(TColStd_HArray1OfInteger)        ArrayOfIndices;  //array of the remining Vertex
 938         GeomConvert::ConcatC1(tab,
 939                               tabtolvertex,
 940                               ArrayOfIndices,
 941                               concatcurve,
 942                               closed_flag,
 943                               closed_tolerance);   //C1 concatenation
 944
 945         if (concatcurve->Length() > 1)
 946         {
 947           GeomConvert_CompCurveToBSplineCurve Concat(concatcurve->Value(concatcurve->Lower()));
 948
 949           for (i = concatcurve->Lower()+1; i <= concatcurve->Upper(); i++)
 950             Concat.Add( concatcurve->Value(i), LinTol, Standard_True );
 951
 952           concatcurve->SetValue(concatcurve->Lower(), Concat.BSplineCurve());
 953         }
 954         // rnc : prevents the driver from building an edge without C1 continuity
 955         if (concatcurve->Value(concatcurve->Lower())->Continuity()==GeomAbs_C0){
 956           Standard_ConstructionError::Raise("Construction aborted : The given Wire has sharp bends between some Edges, no valid Edge can be built");
 957         }
 958
 959         Standard_Boolean isValidEndVtx = Standard_True;
 960
 961         if (closed_flag) {
 962           // Check if closed curve is reordered.
 963           Handle(Geom_Curve) aCurve  = concatcurve->Value(concatcurve->Lower());
 964           Standard_Real      aFPar   = aCurve->FirstParameter();
 965           gp_Pnt             aPFirst;
 966           gp_Pnt             aPntVtx = BRep_Tool::Pnt(FirstVertex);
 967           Standard_Real      aTolVtx = BRep_Tool::Tolerance(FirstVertex);
 968
 969           aCurve->D0(aFPar, aPFirst);
 970
 971           if (!aPFirst.IsEqual(aPntVtx, aTolVtx)) {
 972             // The curve is reordered. Find the new first and last vertices.
 973             TopTools_IndexedMapOfShape aMapVtx;
 974             TopExp::MapShapes(theWire, TopAbs_VERTEX, aMapVtx);
 975
 976             const Standard_Integer aNbVtx = aMapVtx.Extent();
 977             Standard_Integer       iVtx;
 978
 979             for (iVtx = 1; iVtx <= aNbVtx; iVtx++) {
 980               const TopoDS_Vertex aVtx = TopoDS::Vertex(aMapVtx.FindKey(iVtx));
 981               const gp_Pnt        aPnt = BRep_Tool::Pnt(aVtx);
 982               const Standard_Real aTol = BRep_Tool::Tolerance(aVtx);
 983
 984               if (aPFirst.IsEqual(aPnt, aTol)) {
 985                 // The coinsident vertex is found.
 986                 FirstVertex = aVtx;
 987                 LastVertex  = aVtx;
 988                 FirstVertex.Orientation(TopAbs_FORWARD);
 989                 LastVertex.Orientation(TopAbs_REVERSED);
 990                 break;
 991               }
 992             }
 993
 994             if (iVtx > aNbVtx) {
 995               // It is necessary to create new vertices.
 996               isValidEndVtx = Standard_False;
 997             }
 998           }
 999         }
1000
1001         if (isValidEndVtx) {
1002           ResEdge = BRepLib_MakeEdge(concatcurve->Value(concatcurve->Lower()),
1003                                      FirstVertex, LastVertex,
1004                                      concatcurve->Value(concatcurve->Lower())->FirstParameter(),
1005                                      concatcurve->Value(concatcurve->Lower())->LastParameter());
1006         } else {
1007           ResEdge = BRepLib_MakeEdge(concatcurve->Value(concatcurve->Lower()),
1008                                      concatcurve->Value(concatcurve->Lower())->FirstParameter(),
1009                                      concatcurve->Value(concatcurve->Lower())->LastParameter());
1010         }
1011       }
1012       else
1013       {
1014         if (CurveSeq(1)->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve)))
1015           CurveSeq(1) = (*((Handle(Geom_TrimmedCurve)*)&(CurveSeq(1))))->BasisCurve();
1016
1017         Handle(Geom_Curve) aNewCurve =
1018           Handle(Geom_Curve)::DownCast(CurveSeq(1)->Copy());
1019
1020         aNewCurve->Transform(LocSeq(1).Location().Transformation());
1021
1022         if (LocSeq(1).Orientation() == TopAbs_REVERSED) {
1023           const TopoDS_Vertex aVtxTmp = FirstVertex;
1024
1025           FirstVertex = LastVertex;
1026           LastVertex  = aVtxTmp;
1027           FirstVertex.Orientation(TopAbs_FORWARD);
1028           LastVertex.Orientation(TopAbs_REVERSED);
1029         }
1030
1031         ResEdge = BRepLib_MakeEdge(aNewCurve,
1032                                    FirstVertex, LastVertex,
1033                                    FparSeq(1), LparSeq(1));
1034
1035         if (LocSeq(1).Orientation() == TopAbs_REVERSED) {
1036           ResEdge.Reverse();
1037         }
1038       }
1039     }
1040
1041     return ResEdge;
1042 }
1043
1044 //=============================================================================
1045 /*!
1046  * \brief Returns an isoline for a face.
1047  */
1048 //=============================================================================
1049
1050 TopoDS_Shape GEOMImpl_ShapeDriver::MakeIsoline
1051                             (const TopoDS_Face &theFace,
1052                              const bool         IsUIso,
1053                              const double       theParameter) const
1054 {
1055   TopoDS_Shape          aResult;
1056   GEOMUtils::Hatcher    aHatcher(theFace);
1057   const GeomAbs_IsoType aType = (IsUIso ? GeomAbs_IsoU : GeomAbs_IsoV);
1058
1059   aHatcher.Init(aType, theParameter);
1060   aHatcher.Perform();
1061
1062   if (!aHatcher.IsDone()) {
1063     Standard_ConstructionError::Raise("MakeIsoline : Hatcher failure");
1064   }
1065
1066   const Handle(TColStd_HArray1OfInteger) &anIndices =
1067     (IsUIso ? aHatcher.GetUIndices() : aHatcher.GetVIndices());
1068
1069   if (anIndices.IsNull()) {
1070     Standard_ConstructionError::Raise("MakeIsoline : Null hatching indices");
1071   }
1072
1073   const Standard_Integer anIsoInd = anIndices->Lower();
1074   const Standard_Integer aHatchingIndex = anIndices->Value(anIsoInd);
1075
1076   if (aHatchingIndex == 0) {
1077     Standard_ConstructionError::Raise("MakeIsoline : Invalid hatching index");
1078   }
1079
1080   const Standard_Integer aNbDomains =
1081     aHatcher.GetNbDomains(aHatchingIndex);
1082
1083   if (aNbDomains < 0) {
1084     Standard_ConstructionError::Raise("MakeIsoline : Invalid number of domains");
1085   }
1086
1087   // The hatching is performed successfully. Create the 3d Curve.
1088   Handle(Geom_Surface) aSurface   = BRep_Tool::Surface(theFace);
1089   Handle(Geom_Curve)   anIsoCurve = (IsUIso ?
1090     aSurface->UIso(theParameter) : aSurface->VIso(theParameter));
1091   Handle(Geom2d_Curve) aPIsoCurve =
1092     aHatcher.GetHatching(aHatchingIndex);
1093   const Standard_Real  aTol = Precision::Confusion();
1094   Standard_Integer     anIDom = 1;
1095   Standard_Real        aV1;
1096   Standard_Real        aV2;
1097   BRep_Builder         aBuilder;
1098   Standard_Integer     aNbEdges = 0;
1099
1100   for (; anIDom <= aNbDomains; anIDom++) {
1101     if (aHatcher.GetDomain(aHatchingIndex, anIDom, aV1, aV2)) {
1102       // Check first and last parameters.
1103       if (!aHatcher.IsDomainInfinite(aHatchingIndex, anIDom)) {
1104         // Create an edge.
1105         TopoDS_Edge anEdge = BRepBuilderAPI_MakeEdge(anIsoCurve, aV1, aV2);
1106
1107         // Update it with a parametric curve on face.
1108         aBuilder.UpdateEdge(anEdge, aPIsoCurve, theFace, aTol);
1109         aNbEdges++;
1110
1111         if (aNbEdges > 1) {
1112           // Result is a compond.
1113           if (aNbEdges == 2) {
1114             // Create a new compound.
1115             TopoDS_Compound aCompound;
1116
1117             aBuilder.MakeCompound(aCompound);
1118             aBuilder.Add(aCompound, aResult);
1119             aResult = aCompound;
1120           }
1121
1122           // Add an edge to the compound.
1123           aBuilder.Add(aResult, anEdge);
1124         } else {
1125           // Result is the edge.
1126           aResult = anEdge;
1127         }
1128       }
1129     }
1130   }
1131
1132   if (aNbEdges == 0) {
1133     Standard_ConstructionError::Raise("MakeIsoline : Empty result");
1134   }
1135
1136   return aResult;
1137 }
1138
1139 //================================================================================
1140 /*!
1141  * \brief Returns a name of creation operation and names and values of creation parameters
1142  */
1143 //================================================================================
1144
1145 bool GEOMImpl_ShapeDriver::
1146 GetCreationInformation(std::string&             theOperationName,
1147                        std::vector<GEOM_Param>& theParams)
1148 {
1149   if (Label().IsNull()) return 0;
1150   Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
1151
1152   GEOMImpl_IShapes aCI( function );
1153   Standard_Integer aType = function->GetType();
1154
1155   switch ( aType ) {
1156   case WIRE_EDGES:
1157     theOperationName = "WIRE";
1158     AddParam( theParams, "Wires/edges", aCI.GetShapes() );
1159     AddParam( theParams, "Tolerance", aCI.GetTolerance() );
1160     break;
1161   case FACE_WIRE:
1162     theOperationName = "FACE";
1163     AddParam( theParams, "Wire/edge", aCI.GetBase() );
1164     AddParam( theParams, "Is planar wanted", aCI.GetIsPlanar() );
1165     break;
1166   case FACE_WIRES:
1167     theOperationName = "FACE";
1168     AddParam( theParams, "Wires/edges", aCI.GetShapes() );
1169     AddParam( theParams, "Is planar wanted", aCI.GetIsPlanar() );
1170     break;
1171   case SHELL_FACES:
1172     theOperationName = "SHELL";
1173     AddParam( theParams, "Objects", aCI.GetShapes() );
1174     break;
1175   case SOLID_SHELLS:
1176     theOperationName = "SOLID";
1177     AddParam( theParams, "Objects", aCI.GetShapes() );
1178     break;
1179   case COMPOUND_SHAPES:
1180     theOperationName = "COMPOUND";
1181     AddParam( theParams, "Objects", aCI.GetShapes() );
1182     break;
1183   case EDGE_WIRE:
1184     theOperationName = "EDGE";
1185     AddParam( theParams, "Wire", aCI.GetBase() );
1186     AddParam( theParams, "Linear Tolerance", aCI.GetTolerance() );
1187     AddParam( theParams, "Angular Tolerance", aCI.GetAngularTolerance() );
1188     break;
1189   case EDGE_CURVE_LENGTH:
1190     theOperationName = "EDGE";
1191     {
1192       GEOMImpl_IVector aCI( function );
1193       AddParam( theParams, "Edge", aCI.GetPoint1() );
1194       AddParam( theParams, "Start point", aCI.GetPoint2() );
1195       AddParam( theParams, "Length", aCI.GetParameter() );
1196     }
1197     break;
1198   case SHAPES_ON_SHAPE:
1199   {
1200     theOperationName = "GetShapesOnShapeAsCompound";
1201     Handle(TColStd_HSequenceOfTransient) shapes = aCI.GetShapes();
1202     if ( !shapes.IsNull() && shapes->Length() > 0 )
1203       AddParam( theParams, "Check shape", shapes->Value(1) );
1204     if ( !shapes.IsNull() && shapes->Length() > 1 )
1205       AddParam( theParams, "Shape", shapes->Value(2) );
1206     AddParam( theParams, "Shape type", TopAbs_ShapeEnum( aCI.GetSubShapeType() ));
1207     AddParam( theParams, "State", TopAbs_State((int) aCI.GetTolerance() ));
1208     break;
1209   }
1210   case SHAPE_ISOLINE:
1211   {
1212     GEOMImpl_IIsoline aII (function);
1213
1214     theOperationName = "ISOLINE";
1215     AddParam(theParams, "Face", aII.GetFace());
1216     AddParam(theParams, "Isoline type", (aII.GetIsUIso() ? "U" : "V"));
1217     AddParam(theParams, "Parameter", aII.GetParameter());
1218     break;
1219   }
1220   default:
1221     return false;
1222   }
1223
1224   return true;
1225 }
1226
1227 IMPLEMENT_STANDARD_HANDLE (GEOMImpl_ShapeDriver,GEOM_BaseDriver);
1228 IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_ShapeDriver,GEOM_BaseDriver);
1229
1230 //modified by NIZNHY-PKV Wed Dec 28 13:48:31 2011f
1231 #include <TopoDS_Iterator.hxx>
1232 #include <TopTools_HSequenceOfShape.hxx>
1233 #include <ShapeAnalysis_FreeBounds.hxx>
1234 #include <TopTools_MapOfShape.hxx>
1235 #include <TopTools_MapOfOrientedShape.hxx>
1236 #include <BRep_Builder.hxx>
1237 #include <TopoDS_Wire.hxx>
1238
1239 //=======================================================================
1240 //function : KeepEdgesOrder
1241 //purpose  :
1242 //=======================================================================
1243 /*
1244 void KeepEdgesOrder(const Handle(TopTools_HSequenceOfShape)& aEdges,
1245                     const Handle(TopTools_HSequenceOfShape)& aWires)
1246 {
1247   Standard_Integer aNbWires, aNbEdges;
1248   //
1249   if (aEdges.IsNull()) {
1250     return;
1251   }
1252   //
1253   if (aWires.IsNull()) {
1254     return;
1255   }
1256   //
1257   aNbEdges=aEdges->Length();
1258   aNbWires=aWires->Length();
1259   if (!aNbEdges || !aNbWires) {
1260     return;
1261   }
1262   //-----
1263   Standard_Boolean bClosed;
1264   Standard_Integer i, j;
1265   TopoDS_Wire aWy;
1266   TopoDS_Iterator aIt;
1267   BRep_Builder aBB;
1268   TopTools_MapOfOrientedShape aMEx;
1269   //
1270   for (i=1; i<=aNbWires; ++i) {
1271     const TopoDS_Shape& aWx=aWires->Value(i);
1272     //
1273     aMEx.Clear();
1274     aIt.Initialize (aWx);
1275     for (; aIt.More(); aIt.Next()) {
1276       const TopoDS_Shape& aEx=aIt.Value();
1277       aMEx.Add(aEx);
1278     }
1279     // aWy
1280     aBB.MakeWire (aWy);
1281     for (j=1; j<=aNbEdges; ++j) {
1282       const TopoDS_Shape& aE=aEdges->Value(j);
1283       if (aMEx.Contains(aE)) {
1284         aBB.Add(aWy, aE);
1285       }
1286     }
1287     //
1288     bClosed=aWx.Closed();
1289     aWy.Closed(bClosed);
1290     //
1291     aWires->Append(aWy);
1292   }// for (i=1; i<=aNbWires; ++i) {
1293   //
1294   aWires->Remove(1, aNbWires);
1295 }
1296 */
1297 //modified by NIZNHY-PKV Wed Dec 28 13:48:34 2011t