src/GeomAPI/GeomAPI_Shape.cpp

   1 // Copyright (C) 2014-2021  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "GeomAPI_Shape.h"
  21
  22 #include <GeomAPI_Pnt.h>
  23 #include <GeomAPI_Vertex.h>
  24 #include <GeomAPI_Edge.h>
  25 #include <GeomAPI_Wire.h>
  26 #include <GeomAPI_Face.h>
  27 #include <GeomAPI_Shell.h>
  28 #include <GeomAPI_Solid.h>
  29 #include <GeomAPI_Trsf.h>
  30
  31 #include <BRep_Tool.hxx>
  32 #include <BRepAlgoAPI_Section.hxx>
  33 #include <BRepBndLib.hxx>
  34 #include <BRepBuilderAPI_FindPlane.hxx>
  35 #include <BRepBuilderAPI_Copy.hxx>
  36 #include <BRepExtrema_DistShapeShape.hxx>
  37 #include <BRepTools.hxx>
  38 #include <Bnd_Box.hxx>
  39 #include <Geom_Circle.hxx>
  40 #include <Geom_Conic.hxx>
  41 #include <Geom_Curve.hxx>
  42 #include <Geom_Ellipse.hxx>
  43 #include <Geom_Hyperbola.hxx>
  44 #include <Geom_Line.hxx>
  45 #include <Geom_Parabola.hxx>
  46 #include <Geom_Plane.hxx>
  47 #include <Geom_RectangularTrimmedSurface.hxx>
  48 #include <Geom_TrimmedCurve.hxx>
  49 #include <GeomLib_IsPlanarSurface.hxx>
  50 #include <TopExp_Explorer.hxx>
  51 #include <TopoDS.hxx>
  52 #include <TopoDS_Iterator.hxx>
  53 #include <TopoDS_Shape.hxx>
  54 #include <NCollection_List.hxx>
  55
  56 #include <BOPAlgo_CheckerSI.hxx>
  57 #include <BOPDS_DS.hxx>
  58 #include <BOPTools_AlgoTools.hxx>
  59
  60 #include <sstream>
  61 #include <algorithm> // for std::transform
  62
  63 #include <BRepTools.hxx>
  64
  65 #define MY_SHAPE implPtr<TopoDS_Shape>()
  66
  67 GeomAPI_Shape::GeomAPI_Shape()
  68     : GeomAPI_Interface(new TopoDS_Shape())
  69 {
  70 }
  71
  72 std::shared_ptr<GeomAPI_Shape> GeomAPI_Shape::emptyCopied() const
  73 {
  74   GeomShapePtr aShape(new GeomAPI_Shape());
  75   aShape->setImpl(new TopoDS_Shape(MY_SHAPE->EmptyCopied()));
  76   return aShape;
  77 }
  78
  79 bool GeomAPI_Shape::isNull() const
  80 {
  81   return MY_SHAPE->IsNull() == Standard_True;
  82 }
  83
  84 bool GeomAPI_Shape::isEqual(const std::shared_ptr<GeomAPI_Shape> theShape) const
  85 {
  86   if (!theShape.get())
  87     return false;
  88   if (isNull())
  89     return theShape->isNull();
  90   if (theShape->isNull())
  91     return false;
  92
  93   return MY_SHAPE->IsEqual(theShape->impl<TopoDS_Shape>()) == Standard_True;
  94 }
  95
  96 bool GeomAPI_Shape::isSame(const std::shared_ptr<GeomAPI_Shape> theShape) const
  97 {
  98   bool isNullShape = !theShape.get() || theShape->isNull();;
  99   if (isNull())
 100     return isNullShape;
 101   if (isNullShape)
 102     return false;
 103
 104   return MY_SHAPE->IsSame(theShape->impl<TopoDS_Shape>()) == Standard_True;
 105 }
 106
 107 bool GeomAPI_Shape::isSameGeometry(const std::shared_ptr<GeomAPI_Shape> theShape) const
 108 {
 109   if (isFace())
 110     return face()->isSameGeometry(theShape);
 111   else if (isEdge())
 112     return edge()->isSameGeometry(theShape);
 113   return false;
 114 }
 115
 116 bool GeomAPI_Shape::isVertex() const
 117 {
 118   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 119   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_VERTEX;
 120 }
 121
 122 bool GeomAPI_Shape::isEdge() const
 123 {
 124   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 125   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_EDGE;
 126 }
 127
 128 bool GeomAPI_Shape::isWire() const
 129 {
 130   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 131   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_WIRE;
 132 }
 133
 134 bool GeomAPI_Shape::isFace() const
 135 {
 136   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 137   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_FACE;
 138 }
 139
 140 bool GeomAPI_Shape::isShell() const
 141 {
 142   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 143   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_SHELL;
 144 }
 145
 146 bool GeomAPI_Shape::isCompound() const
 147 {
 148   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 149   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_COMPOUND;
 150 }
 151
 152 bool GeomAPI_Shape::isCollectionOfSolids() const
 153 {
 154   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 155   if (aShape.IsNull())
 156     return false;
 157
 158   if (aShape.ShapeType() == TopAbs_SOLID ||
 159       aShape.ShapeType() == TopAbs_COMPSOLID)
 160     return true;
 161
 162   if (aShape.ShapeType() != TopAbs_COMPOUND)
 163     return false;
 164
 165   TopTools_ListOfShape aLS;
 166   TopTools_MapOfShape aMFence;
 167   BOPTools_AlgoTools::TreatCompound(aShape, aLS, &aMFence);
 168   TopTools_ListOfShape::Iterator it(aLS);
 169   for (; it.More(); it.Next()) {
 170     const TopoDS_Shape& aSx = it.Value();
 171     if (aSx.ShapeType() != TopAbs_SOLID &&
 172         aSx.ShapeType() != TopAbs_COMPSOLID)
 173       return false;
 174   }
 175   return true;
 176 }
 177
 178 bool GeomAPI_Shape::isCompoundOfSolids() const
 179 {
 180   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 181   if (aShape.IsNull() || aShape.ShapeType() != TopAbs_COMPOUND)
 182     return false;
 183   bool isAtLeastOne = false;
 184   for(TopoDS_Iterator aSubs(aShape); aSubs.More(); aSubs.Next()) {
 185     if (aSubs.Value().IsNull() || aSubs.Value().ShapeType() != TopAbs_SOLID)
 186       return false;
 187     isAtLeastOne = true;
 188   }
 189   return isAtLeastOne;
 190 }
 191
 192 // LCOV_EXCL_START
 193 GeomAPI_Shape::ShapeType GeomAPI_Shape::typeOfCompoundShapes() const
 194 {
 195   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 196   if (aShape.IsNull() || aShape.ShapeType() != TopAbs_COMPOUND)
 197     return SHAPE;
 198   int aType = -1;
 199   for(TopoDS_Iterator aSubs(aShape); aSubs.More(); aSubs.Next()) {
 200     if (!aSubs.Value().IsNull()) {
 201       if (aType == -1)
 202         aType = aSubs.Value().ShapeType();
 203       else if (aSubs.Value().ShapeType() != aType)
 204         return SHAPE;
 205     }
 206   }
 207   return (GeomAPI_Shape::ShapeType) aType;
 208 }
 209 // LCOV_EXCL_STOP
 210
 211 // adds the nopt-compound elements recursively to the list
 212 static void addSimpleToList(const TopoDS_Shape& theShape, NCollection_List<TopoDS_Shape>& theList)
 213 {
 214   if (!theShape.IsNull()) {
 215     if (theShape.ShapeType() == TopAbs_COMPOUND) {
 216       for(TopoDS_Iterator aSubs(theShape); aSubs.More(); aSubs.Next()) {
 217         addSimpleToList(aSubs.Value(), theList);
 218       }
 219     } else {
 220       theList.Append(theShape);
 221     }
 222   }
 223 }
 224
 225 bool GeomAPI_Shape::isConnectedTopology() const
 226 {
 227   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 228   if (aShape.IsNull() || aShape.ShapeType() != TopAbs_COMPOUND)
 229     return false;
 230   // list of simple elements that are not detected in connection to others
 231   NCollection_List<TopoDS_Shape> aNotConnected;
 232   addSimpleToList(aShape, aNotConnected);
 233   if (aNotConnected.IsEmpty()) // an empty compound
 234     return false;
 235
 236   // collect here the group of connected subs, starting with one first element
 237   NCollection_List<TopoDS_Shape> aNewConnected;
 238   aNewConnected.Append(aNotConnected.First());
 239   aNotConnected.RemoveFirst();
 240   // iterate until some new element become connected
 241   while(!aNewConnected.IsEmpty() && !aNotConnected.IsEmpty()) {
 242     NCollection_List<TopoDS_Shape> aNew; // very new connected to new connected
 243     NCollection_List<TopoDS_Shape>::Iterator aNotIter(aNotConnected);
 244     while(aNotIter.More()) {
 245       // optimization to avoid TopExp_Explorer double-cycle, collect all vertices in the list first
 246       NCollection_List<TopoDS_Shape> aNotVertices;
 247       for(TopExp_Explorer anExp1(aNotIter.Value(), TopAbs_VERTEX); anExp1.More(); anExp1.Next()) {
 248         aNotVertices.Append(anExp1.Current());
 249       }
 250
 251       bool aConnected =  false;
 252       NCollection_List<TopoDS_Shape>::Iterator aNewIter(aNewConnected);
 253       for(; !aConnected && aNewIter.More(); aNewIter.Next()) {
 254         // checking topological connecion of aNotIter and aNewIter
 255         // (if shapes are connected, vertices are connected for sure)
 256         TopExp_Explorer anExp2(aNewIter.Value(), TopAbs_VERTEX);
 257         for(; !aConnected && anExp2.More(); anExp2.Next()) {
 258           NCollection_List<TopoDS_Shape>::Iterator aNotVIter(aNotVertices);
 259           for(; aNotVIter.More(); aNotVIter.Next()) {
 260             if (aNotVIter.Value().IsSame(anExp2.Current())) {
 261               aConnected = true;
 262               break;
 263             }
 264           }
 265         }
 266       }
 267       if (aConnected) {
 268         aNew.Append(aNotIter.Value());
 269         aNotConnected.Remove(aNotIter);
 270       } else {
 271         aNotIter.Next();
 272       }
 273     }
 274     // remove all new connected and put to this list very new connected
 275     aNewConnected.Clear();
 276     aNewConnected.Append(aNew);
 277   }
 278   return aNotConnected.IsEmpty() == Standard_True;
 279 }
 280
 281 bool GeomAPI_Shape::isSolid() const
 282 {
 283   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 284   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_SOLID;
 285 }
 286
 287 bool GeomAPI_Shape::isCompSolid() const
 288 {
 289   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 290   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_COMPSOLID;
 291 }
 292
 293 bool GeomAPI_Shape::isPlanar() const
 294 {
 295   TopoDS_Shape aShape = impl<TopoDS_Shape>();
 296
 297   if(aShape.IsNull()) {
 298     return false;
 299   }
 300
 301   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 302   if(aShapeType == TopAbs_COMPOUND) {
 303     TopoDS_Iterator anIt(aShape);
 304     int aShNum = 0;
 305     for(; anIt.More(); anIt.Next()) {
 306       ++aShNum;
 307     }
 308     if(aShNum == 1) {
 309       anIt.Initialize(aShape);
 310       aShape = anIt.Value();
 311     }
 312   }
 313
 314   aShapeType = aShape.ShapeType();
 315   if(aShapeType == TopAbs_VERTEX) {
 316     return true;
 317   } else if(aShapeType == TopAbs_FACE) {
 318     Handle(Geom_Surface) aSurface = BRep_Tool::Surface(TopoDS::Face(aShape));
 319     if(aSurface->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) {
 320       Handle(Geom_RectangularTrimmedSurface) aTrimSurface =
 321           Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface);
 322       aSurface = aTrimSurface->BasisSurface();
 323     }
 324     return GeomLib_IsPlanarSurface(aSurface).IsPlanar();
 325   } else {
 326     BRepBuilderAPI_FindPlane aFindPlane(aShape);
 327     bool isFound = aFindPlane.Found() == Standard_True;
 328
 329     if(!isFound && aShapeType == TopAbs_EDGE) {
 330       Standard_Real aFirst, aLast;
 331       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aShape), aFirst, aLast);
 332       Handle(Standard_Type) aType = aCurve->DynamicType();
 333
 334       if(aType == STANDARD_TYPE(Geom_TrimmedCurve)) {
 335         Handle(Geom_TrimmedCurve) aTrimCurve = Handle(Geom_TrimmedCurve)::DownCast(aCurve);
 336         aType = aTrimCurve->BasisCurve()->DynamicType();
 337       }
 338
 339       if(aType == STANDARD_TYPE(Geom_Line)
 340           || aType == STANDARD_TYPE(Geom_Conic)
 341           || aType == STANDARD_TYPE(Geom_Circle)
 342           || aType == STANDARD_TYPE(Geom_Ellipse)
 343           || aType == STANDARD_TYPE(Geom_Hyperbola)
 344           || aType == STANDARD_TYPE(Geom_Parabola)) {
 345         isFound = true;
 346       }
 347     }
 348
 349     return isFound;
 350   }
 351
 352   return false;
 353 }
 354
 355 std::shared_ptr<GeomAPI_Vertex> GeomAPI_Shape::vertex() const
 356 {
 357   GeomVertexPtr aVertex;
 358   if (isVertex()) {
 359     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 360     aVertex = GeomVertexPtr(new GeomAPI_Vertex);
 361     aVertex->setImpl(new TopoDS_Shape(aShape));
 362   }
 363   return aVertex;
 364 }
 365
 366 std::shared_ptr<GeomAPI_Edge> GeomAPI_Shape::edge() const
 367 {
 368   GeomEdgePtr anEdge;
 369   if (isEdge()) {
 370     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 371     anEdge = GeomEdgePtr(new GeomAPI_Edge);
 372     anEdge->setImpl(new TopoDS_Shape(aShape));
 373   }
 374   return anEdge;
 375 }
 376
 377 std::shared_ptr<GeomAPI_Wire> GeomAPI_Shape::wire() const
 378 {
 379   GeomWirePtr aWire;
 380   if (isWire()) {
 381     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 382     aWire = GeomWirePtr(new GeomAPI_Wire);
 383     aWire->setImpl(new TopoDS_Shape(aShape));
 384   }
 385   return aWire;
 386 }
 387
 388 std::shared_ptr<GeomAPI_Face> GeomAPI_Shape::face() const
 389 {
 390   GeomFacePtr aFace;
 391   if (isFace()) {
 392     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 393     aFace = GeomFacePtr(new GeomAPI_Face);
 394     aFace->setImpl(new TopoDS_Shape(aShape));
 395   }
 396   return aFace;
 397 }
 398
 399 std::shared_ptr<GeomAPI_Shell> GeomAPI_Shape::shell() const
 400 {
 401   GeomShellPtr aShell;
 402   if (isShell()) {
 403     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 404     aShell = GeomShellPtr(new GeomAPI_Shell);
 405     aShell->setImpl(new TopoDS_Shape(aShape));
 406   }
 407   return aShell;
 408 }
 409
 410 std::shared_ptr<GeomAPI_Solid> GeomAPI_Shape::solid() const
 411 {
 412   GeomSolidPtr aSolid;
 413   if (isSolid()) {
 414     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 415     aSolid = GeomSolidPtr(new GeomAPI_Solid);
 416     aSolid->setImpl(new TopoDS_Shape(aShape));
 417   }
 418   return aSolid;
 419 }
 420
 421 std::list<std::shared_ptr<GeomAPI_Shape> >
 422 GeomAPI_Shape::subShapes(ShapeType theSubShapeType) const
 423 {
 424   ListOfShape aSubs;
 425   const TopoDS_Shape& aShape = impl<TopoDS_Shape>();
 426   if (aShape.IsNull())
 427     return aSubs;
 428
 429   // process multi-level compounds
 430   if (shapeType() == COMPOUND && theSubShapeType == COMPOUND) {
 431     for (TopoDS_Iterator anIt(aShape); anIt.More(); anIt.Next()) {
 432       const TopoDS_Shape& aCurrent = anIt.Value();
 433       if (aCurrent.ShapeType() == TopAbs_COMPOUND) {
 434         GeomShapePtr aSub(new GeomAPI_Shape);
 435         aSub->setImpl(new TopoDS_Shape(aCurrent));
 436         aSubs.push_back(aSub);
 437       }
 438     }
 439     // add self
 440     GeomShapePtr aSub(new GeomAPI_Shape);
 441     aSub->setImpl(new TopoDS_Shape(aShape));
 442     aSubs.push_back(aSub);
 443   }
 444   else {
 445     for (TopExp_Explorer anExp(aShape, (TopAbs_ShapeEnum)theSubShapeType);
 446          anExp.More(); anExp.Next()) {
 447       GeomShapePtr aSub(new GeomAPI_Shape);
 448       aSub->setImpl(new TopoDS_Shape(anExp.Current()));
 449       aSubs.push_back(aSub);
 450     }
 451   }
 452   return aSubs;
 453 }
 454
 455 GeomAPI_Shape::ShapeType GeomAPI_Shape::shapeType() const
 456 {
 457   const TopoDS_Shape& aShape = impl<TopoDS_Shape>();
 458   if (aShape.IsNull())
 459     return GeomAPI_Shape::SHAPE;
 460
 461   ShapeType aST = GeomAPI_Shape::SHAPE;
 462
 463   switch(aShape.ShapeType()) {
 464   case TopAbs_COMPOUND:
 465     aST = GeomAPI_Shape::COMPOUND;
 466     break;
 467   case TopAbs_COMPSOLID:
 468     aST = GeomAPI_Shape::COMPSOLID;
 469     break;
 470   case TopAbs_SOLID:
 471     aST = GeomAPI_Shape::SOLID;
 472     break;
 473   case TopAbs_SHELL:
 474     aST = GeomAPI_Shape::SHELL;
 475     break;
 476   case TopAbs_FACE:
 477     aST = GeomAPI_Shape::FACE;
 478     break;
 479   case TopAbs_WIRE:
 480     aST = GeomAPI_Shape::WIRE;
 481     break;
 482   case TopAbs_EDGE:
 483     aST = GeomAPI_Shape::EDGE;
 484     break;
 485   case TopAbs_VERTEX:
 486     aST = GeomAPI_Shape::VERTEX;
 487     break;
 488   case TopAbs_SHAPE:
 489     aST = GeomAPI_Shape::SHAPE;
 490     break;
 491   }
 492
 493   return aST;
 494 }
 495
 496 GeomAPI_Shape::ShapeType GeomAPI_Shape::shapeTypeByStr(std::string theType)
 497 {
 498   std::transform(theType.begin(), theType.end(), theType.begin(),
 499                  [](char c) { return static_cast<char>(::toupper(c)); });
 500   if (theType == "COMPOUND" || theType == "COMPOUNDS")
 501     return COMPOUND;
 502   if (theType == "COMPSOLID" || theType == "COMPSOLIDS")
 503     return COMPSOLID;
 504   if (theType == "SOLID" || theType == "SOLIDS")
 505     return SOLID;
 506   if (theType == "SHELL" || theType == "SHELLS")
 507     return SHELL;
 508   if (theType == "FACE" || theType == "FACES")
 509     return FACE;
 510   if (theType == "WIRE" || theType == "WIRES")
 511     return WIRE;
 512   if (theType == "EDGE" || theType == "EDGES")
 513     return EDGE;
 514   if (theType == "VERTEX" || theType == "VERTICES")
 515     return VERTEX;
 516   return SHAPE; // default
 517 }
 518
 519 std::string GeomAPI_Shape::shapeTypeStr() const
 520 {
 521   ShapeType aShapeType = shapeType();
 522   std::string aShapeTypeStr;
 523
 524   switch(aShapeType) {
 525     case COMPOUND: {
 526       aShapeTypeStr = "COMPOUND";
 527       break;
 528     }
 529     case COMPSOLID: {
 530       aShapeTypeStr = "COMPSOLID";
 531       break;
 532     }
 533     case SOLID: {
 534       aShapeTypeStr = "SOLID";
 535       break;
 536     }
 537     case SHELL: {
 538       aShapeTypeStr = "SHELL";
 539       break;
 540     }
 541     case FACE: {
 542       aShapeTypeStr = "FACE";
 543       break;
 544     }
 545     case WIRE: {
 546       aShapeTypeStr = "WIRE";
 547       break;
 548     }
 549     case EDGE: {
 550       aShapeTypeStr = "EDGE";
 551       break;
 552     }
 553     case VERTEX: {
 554       aShapeTypeStr = "VERTEX";
 555       break;
 556     }
 557     case SHAPE: {
 558       aShapeTypeStr = "SHAPE";
 559       break;
 560     }
 561   }
 562
 563   return aShapeTypeStr;
 564 }
 565
 566 GeomAPI_Shape::Orientation GeomAPI_Shape::orientation() const
 567 {
 568   TopAbs_Orientation anOrientation = MY_SHAPE->Orientation();
 569
 570   switch(anOrientation) {
 571     case TopAbs_FORWARD:  return FORWARD;
 572     case TopAbs_REVERSED: return REVERSED;
 573     case TopAbs_INTERNAL: return INTERNAL;
 574     case TopAbs_EXTERNAL: return EXTERNAL;
 575     default:              return FORWARD;
 576   }
 577 }
 578
 579 void GeomAPI_Shape::setOrientation(const GeomAPI_Shape::Orientation theOrientation)
 580 {
 581   switch(theOrientation) {
 582     case FORWARD:  MY_SHAPE->Orientation(TopAbs_FORWARD);  break;
 583     case REVERSED: MY_SHAPE->Orientation(TopAbs_REVERSED); break;
 584     case INTERNAL: MY_SHAPE->Orientation(TopAbs_INTERNAL); break;
 585     case EXTERNAL: MY_SHAPE->Orientation(TopAbs_EXTERNAL); break;
 586   }
 587 }
 588
 589 void GeomAPI_Shape::reverse()
 590 {
 591   MY_SHAPE->Reverse();
 592 }
 593
 594 bool GeomAPI_Shape::isSubShape(const std::shared_ptr<GeomAPI_Shape> theShape,
 595                                const bool theCheckOrientation) const
 596 {
 597   if(!theShape.get()) {
 598     return false;
 599   }
 600
 601   const TopoDS_Shape& aShapeToSearch = theShape->impl<TopoDS_Shape>();
 602   if(aShapeToSearch.IsNull()) {
 603     return false;
 604   }
 605
 606   for(TopExp_Explorer anExp(*MY_SHAPE, aShapeToSearch.ShapeType()); anExp.More(); anExp.Next()) {
 607     if(theCheckOrientation ?
 608        aShapeToSearch.IsEqual(anExp.Current()) : aShapeToSearch.IsSame(anExp.Current())) {
 609       return true;
 610     }
 611   }
 612
 613   return false;
 614 }
 615
 616 bool GeomAPI_Shape::computeSize(double& theXmin, double& theYmin, double& theZmin,
 617                                 double& theXmax, double& theYmax, double& theZmax) const
 618 {
 619   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 620   if (aShape.IsNull())
 621     return false;
 622   Bnd_Box aBndBox;
 623   // Workaround: compute optimal bounding box for the compounds of edges/vertices, because sometimes
 624   // the bounding box of sketch is calculated if the transformation is applied twice (issue #20167).
 625   bool isShape1D = false;
 626   if (aShape.ShapeType() == TopAbs_COMPOUND) {
 627     isShape1D = true;
 628     for (TopoDS_Iterator anIt(aShape); anIt.More() && isShape1D; anIt.Next())
 629       if (anIt.Value().ShapeType() < TopAbs_WIRE)
 630         isShape1D = false;
 631   }
 632   if (isShape1D)
 633     BRepBndLib::AddOptimal(aShape, aBndBox, false, true);
 634   else
 635     BRepBndLib::Add(aShape, aBndBox, false);
 636   if (aBndBox.IsVoid())
 637     return false;
 638   aBndBox.Get(theXmin, theYmin, theZmin, theXmax, theYmax, theZmax);
 639   return true;
 640 }
 641
 642 GeomPointPtr GeomAPI_Shape::middlePoint() const
 643 {
 644   GeomPointPtr aMiddlePoint;
 645
 646   switch (shapeType()) {
 647   case VERTEX:
 648     aMiddlePoint = vertex()->point();
 649     break;
 650   case EDGE:
 651     aMiddlePoint = edge()->middlePoint();
 652     break;
 653   case WIRE:
 654     aMiddlePoint = wire()->middlePoint();
 655     break;
 656   case FACE:
 657     aMiddlePoint = face()->middlePoint();
 658     break;
 659   case SHELL:
 660     aMiddlePoint = shell()->middlePoint();
 661     break;
 662   case SOLID:
 663     aMiddlePoint = solid()->middlePoint();
 664     break;
 665   default: {
 666       // get middle point as center of the bounding box
 667       double aMinX, aMinY, aMinZ, aMaxX, aMaxY, aMaxZ;
 668       computeSize(aMinX, aMinY, aMinZ, aMaxX, aMaxY, aMaxZ);
 669       aMiddlePoint = GeomPointPtr(new GeomAPI_Pnt(
 670           (aMinX + aMaxX) * 0.5, (aMinY + aMaxY) * 0.5, (aMinZ + aMaxZ) * 0.5));
 671     }
 672   }
 673
 674   return aMiddlePoint;
 675 }
 676
 677 // LCOV_EXCL_START
 678 std::string GeomAPI_Shape::getShapeStream(const bool theWithTriangulation) const
 679 {
 680   std::ostringstream aStream;
 681   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 682   if (!theWithTriangulation) { // make a copy of shape without triangulation
 683     BRepBuilderAPI_Copy aCopy(aShape, Standard_False, Standard_False);
 684     const TopoDS_Shape& aCopyShape = aCopy.Shape();
 685     // make all faces unchecked to make the stream of shapes the same
 686     TopExp_Explorer aFaceExp(aCopyShape, TopAbs_FACE);
 687     for(; aFaceExp.More(); aFaceExp.Next()) {
 688       aFaceExp.Current().TShape()->Checked(Standard_False);
 689     }
 690     BRepTools::Write(aCopyShape, aStream);
 691   } else {
 692     BRepTools::Write(aShape, aStream);
 693   }
 694   return aStream.str();
 695 }
 696 // LCOV_EXCL_STOP
 697
 698 GeomShapePtr GeomAPI_Shape::intersect(const GeomShapePtr theShape) const
 699 {
 700   const TopoDS_Shape& aShape1 = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 701   const TopoDS_Shape& aShape2 = theShape->impl<TopoDS_Shape>();
 702
 703   BRepAlgoAPI_Section aCommon(aShape1, aShape2);
 704   if (!aCommon.IsDone())
 705     return GeomShapePtr();
 706
 707   TopoDS_Shape aResult = aCommon.Shape();
 708   if (aResult.ShapeType() == TopAbs_COMPOUND) {
 709     NCollection_List<TopoDS_Shape> aSubs;
 710     addSimpleToList(aResult, aSubs);
 711     if(aSubs.Size() == 1) {
 712       aResult = aSubs.First();
 713     } else if(aSubs.Size() == 0) {
 714       return GeomShapePtr();
 715     }
 716   }
 717
 718   GeomShapePtr aResShape(new GeomAPI_Shape);
 719   aResShape->setImpl(new TopoDS_Shape(aResult));
 720   return aResShape;
 721 }
 722
 723 bool GeomAPI_Shape::isIntersect(const GeomShapePtr theShape) const
 724 {
 725   if(!theShape.get()) {
 726     return false;
 727   }
 728
 729   const TopoDS_Shape& aShape1 = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 730   const TopoDS_Shape& aShape2 = theShape->impl<TopoDS_Shape>();
 731
 732   BRepExtrema_DistShapeShape aDist(aShape1, aShape2);
 733   aDist.Perform();
 734   if(aDist.IsDone() && aDist.Value() < Precision::Confusion()) {
 735     return true;
 736   }
 737
 738   return false;
 739 }
 740
 741 void GeomAPI_Shape::translate(const std::shared_ptr<GeomAPI_Dir> theDir, const double theOffset)
 742 {
 743   gp_Dir aDir = theDir->impl<gp_Dir>();
 744   gp_Vec aTrsfVec(aDir.XYZ() * theOffset);
 745   gp_Trsf aTranslation;
 746   aTranslation.SetTranslation(aTrsfVec);
 747   TopoDS_Shape aResult = MY_SHAPE->Moved(aTranslation);
 748   setImpl(new TopoDS_Shape(aResult));
 749 }
 750
 751 void GeomAPI_Shape::move(const std::shared_ptr<GeomAPI_Trsf> theTransformation)
 752 {
 753   TopoDS_Shape aResult = MY_SHAPE->Moved(theTransformation->impl<gp_Trsf>());
 754   setImpl(new TopoDS_Shape(aResult));
 755 }
 756
 757 bool GeomAPI_Shape::isSelfIntersected(const int theLevelOfCheck) const
 758 {
 759   BOPAlgo_CheckerSI aCSI;  // checker of self-interferences
 760   aCSI.SetLevelOfCheck(theLevelOfCheck);
 761   TopTools_ListOfShape aList;
 762   const TopoDS_Shape& aThisShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 763   aList.Append(aThisShape);
 764   aCSI.SetArguments(aList);
 765   aCSI.Perform();
 766   if (aCSI.HasErrors() || aCSI.DS().Interferences().Extent() > 0) {
 767     return true;
 768   }
 769
 770   return false;
 771 }
 772
 773 bool GeomAPI_Shape::Comparator::operator()(const std::shared_ptr<GeomAPI_Shape>& theShape1,
 774                                            const std::shared_ptr<GeomAPI_Shape>& theShape2) const
 775 {
 776   const TopoDS_Shape& aShape1 = theShape1->impl<TopoDS_Shape>();
 777   const TopoDS_Shape& aShape2 = theShape2->impl<TopoDS_Shape>();
 778   bool isLess = aShape1.TShape() < aShape2.TShape();
 779   if (aShape1.TShape() == aShape2.TShape()) {
 780     Standard_Integer aHash1 = aShape1.Location().HashCode(IntegerLast());
 781     Standard_Integer aHash2 = aShape2.Location().HashCode(IntegerLast());
 782     isLess = aHash1 < aHash2;
 783   }
 784   return isLess;
 785 }
 786
 787 bool GeomAPI_Shape::ComparatorWithOri::operator()(
 788     const std::shared_ptr<GeomAPI_Shape>& theShape1,
 789     const std::shared_ptr<GeomAPI_Shape>& theShape2) const
 790 {
 791   const TopoDS_Shape& aShape1 = theShape1->impl<TopoDS_Shape>();
 792   const TopoDS_Shape& aShape2 = theShape2->impl<TopoDS_Shape>();
 793   bool isLess = aShape1.TShape() < aShape2.TShape();
 794   if (aShape1.TShape() == aShape2.TShape()) {
 795     Standard_Integer aHash1 = aShape1.Location().HashCode(IntegerLast());
 796     Standard_Integer aHash2 = aShape2.Location().HashCode(IntegerLast());
 797     isLess = (aHash1 < aHash2) ||
 798              (aHash1 == aHash2 && aShape1.Orientation() < aShape2.Orientation());
 799   }
 800   return isLess;
 801 }
 802
 803 int GeomAPI_Shape::Hash::operator()(const std::shared_ptr<GeomAPI_Shape>& theShape) const
 804 {
 805   const TopoDS_Shape& aShape = theShape->impl<TopoDS_Shape>();
 806   return aShape.HashCode(IntegerLast());
 807 }
 808
 809 bool GeomAPI_Shape::Equal::operator()(const std::shared_ptr<GeomAPI_Shape>& theShape1,
 810                                       const std::shared_ptr<GeomAPI_Shape>& theShape2) const
 811 {
 812   const TopoDS_Shape& aShape1 = theShape1->impl<TopoDS_Shape>();
 813   const TopoDS_Shape& aShape2 = theShape2->impl<TopoDS_Shape>();
 814
 815   Standard_Integer aHash1 = aShape1.Location().HashCode(IntegerLast());
 816   Standard_Integer aHash2 = aShape2.Location().HashCode(IntegerLast());
 817
 818   return aShape1.TShape() == aShape2.TShape() && aHash1 == aHash2;
 819 }