src/GeomAPI/GeomAPI_Shape.cpp

   1 // Copyright (C) 2014-2019  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 <BRepExtrema_DistShapeShape.hxx>
  36 #include <BRepTools.hxx>
  37 #include <Bnd_Box.hxx>
  38 #include <Geom_Circle.hxx>
  39 #include <Geom_Conic.hxx>
  40 #include <Geom_Curve.hxx>
  41 #include <Geom_Ellipse.hxx>
  42 #include <Geom_Hyperbola.hxx>
  43 #include <Geom_Line.hxx>
  44 #include <Geom_Parabola.hxx>
  45 #include <Geom_Plane.hxx>
  46 #include <Geom_RectangularTrimmedSurface.hxx>
  47 #include <Geom_TrimmedCurve.hxx>
  48 #include <TopExp_Explorer.hxx>
  49 #include <TopoDS.hxx>
  50 #include <TopoDS_Iterator.hxx>
  51 #include <TopoDS_Shape.hxx>
  52 #include <NCollection_List.hxx>
  53
  54 #include <BOPAlgo_CheckerSI.hxx>
  55 #include <BOPDS_DS.hxx>
  56
  57 #include <sstream>
  58 #include <algorithm> // for std::transform
  59
  60 #include <BRepTools.hxx>
  61
  62 #define MY_SHAPE implPtr<TopoDS_Shape>()
  63
  64 GeomAPI_Shape::GeomAPI_Shape()
  65     : GeomAPI_Interface(new TopoDS_Shape())
  66 {
  67 }
  68
  69 std::shared_ptr<GeomAPI_Shape> GeomAPI_Shape::emptyCopied() const
  70 {
  71   GeomShapePtr aShape(new GeomAPI_Shape());
  72   aShape->setImpl(new TopoDS_Shape(MY_SHAPE->EmptyCopied()));
  73   return aShape;
  74 }
  75
  76 bool GeomAPI_Shape::isNull() const
  77 {
  78   return MY_SHAPE->IsNull() == Standard_True;
  79 }
  80
  81 bool GeomAPI_Shape::isEqual(const std::shared_ptr<GeomAPI_Shape> theShape) const
  82 {
  83   if (!theShape.get())
  84     return false;
  85   if (isNull())
  86     return theShape->isNull();
  87   if (theShape->isNull())
  88     return false;
  89
  90   return MY_SHAPE->IsEqual(theShape->impl<TopoDS_Shape>()) == Standard_True;
  91 }
  92
  93 bool GeomAPI_Shape::isSame(const std::shared_ptr<GeomAPI_Shape> theShape) const
  94 {
  95   if (!theShape.get())
  96     return false;
  97   if (isNull())
  98     return theShape->isNull();
  99   if (theShape->isNull())
 100     return false;
 101
 102   return MY_SHAPE->IsSame(theShape->impl<TopoDS_Shape>()) == Standard_True;
 103 }
 104
 105 bool GeomAPI_Shape::isSameGeometry(const std::shared_ptr<GeomAPI_Shape> theShape) const
 106 {
 107   if (isFace())
 108     return face()->isSameGeometry(theShape);
 109   else if (isEdge())
 110     return edge()->isSameGeometry(theShape);
 111   return false;
 112 }
 113
 114 bool GeomAPI_Shape::isVertex() const
 115 {
 116   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 117   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_VERTEX;
 118 }
 119
 120 bool GeomAPI_Shape::isEdge() const
 121 {
 122   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 123   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_EDGE;
 124 }
 125
 126 bool GeomAPI_Shape::isWire() const
 127 {
 128   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 129   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_WIRE;
 130 }
 131
 132 bool GeomAPI_Shape::isFace() const
 133 {
 134   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 135   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_FACE;
 136 }
 137
 138 bool GeomAPI_Shape::isShell() const
 139 {
 140   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 141   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_SHELL;
 142 }
 143
 144 bool GeomAPI_Shape::isCompound() const
 145 {
 146   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 147   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_COMPOUND;
 148 }
 149
 150 bool GeomAPI_Shape::isCompoundOfSolids() const
 151 {
 152   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 153   if (aShape.IsNull() || aShape.ShapeType() != TopAbs_COMPOUND)
 154     return false;
 155   bool isAtLeastOne = false;
 156   for(TopoDS_Iterator aSubs(aShape); aSubs.More(); aSubs.Next()) {
 157     if (aSubs.Value().IsNull() || aSubs.Value().ShapeType() != TopAbs_SOLID)
 158       return false;
 159     isAtLeastOne = true;
 160   }
 161   return isAtLeastOne;
 162 }
 163
 164 // LCOV_EXCL_START
 165 GeomAPI_Shape::ShapeType GeomAPI_Shape::typeOfCompoundShapes() const
 166 {
 167   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 168   if (aShape.IsNull() || aShape.ShapeType() != TopAbs_COMPOUND)
 169     return SHAPE;
 170   int aType = -1;
 171   for(TopoDS_Iterator aSubs(aShape); aSubs.More(); aSubs.Next()) {
 172     if (!aSubs.Value().IsNull()) {
 173       if (aType == -1)
 174         aType = aSubs.Value().ShapeType();
 175       else if (aSubs.Value().ShapeType() != aType)
 176         return SHAPE;
 177     }
 178   }
 179   return (GeomAPI_Shape::ShapeType) aType;
 180 }
 181 // LCOV_EXCL_STOP
 182
 183 // adds the nopt-compound elements recursively to the list
 184 static void addSimpleToList(const TopoDS_Shape& theShape, NCollection_List<TopoDS_Shape>& theList)
 185 {
 186   if (!theShape.IsNull()) {
 187     if (theShape.ShapeType() == TopAbs_COMPOUND) {
 188       for(TopoDS_Iterator aSubs(theShape); aSubs.More(); aSubs.Next()) {
 189         addSimpleToList(aSubs.Value(), theList);
 190       }
 191     } else {
 192       theList.Append(theShape);
 193     }
 194   }
 195 }
 196
 197 bool GeomAPI_Shape::isConnectedTopology() const
 198 {
 199   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 200   if (aShape.IsNull() || aShape.ShapeType() != TopAbs_COMPOUND)
 201     return false;
 202   // list of simple elements that are not detected in connection to others
 203   NCollection_List<TopoDS_Shape> aNotConnected;
 204   addSimpleToList(aShape, aNotConnected);
 205   if (aNotConnected.IsEmpty()) // an empty compound
 206     return false;
 207
 208   // collect here the group of connected subs, starting with one first element
 209   NCollection_List<TopoDS_Shape> aNewConnected;
 210   aNewConnected.Append(aNotConnected.First());
 211   aNotConnected.RemoveFirst();
 212   // iterate until some new element become connected
 213   while(!aNewConnected.IsEmpty() && !aNotConnected.IsEmpty()) {
 214     NCollection_List<TopoDS_Shape> aNew; // very new connected to new connected
 215     NCollection_List<TopoDS_Shape>::Iterator aNotIter(aNotConnected);
 216     while(aNotIter.More()) {
 217       // optimization to avoid TopExp_Explorer double-cycle, collect all vertices in the list first
 218       NCollection_List<TopoDS_Shape> aNotVertices;
 219       for(TopExp_Explorer anExp1(aNotIter.Value(), TopAbs_VERTEX); anExp1.More(); anExp1.Next()) {
 220         aNotVertices.Append(anExp1.Current());
 221       }
 222
 223       bool aConnected =  false;
 224       NCollection_List<TopoDS_Shape>::Iterator aNewIter(aNewConnected);
 225       for(; !aConnected && aNewIter.More(); aNewIter.Next()) {
 226         // checking topological connecion of aNotIter and aNewIter
 227         // (if shapes are connected, vertices are connected for sure)
 228         TopExp_Explorer anExp2(aNewIter.Value(), TopAbs_VERTEX);
 229         for(; !aConnected && anExp2.More(); anExp2.Next()) {
 230           NCollection_List<TopoDS_Shape>::Iterator aNotIter(aNotVertices);
 231           for(; aNotIter.More(); aNotIter.Next()) {
 232             if (aNotIter.Value().IsSame(anExp2.Current())) {
 233               aConnected = true;
 234               break;
 235             }
 236           }
 237         }
 238       }
 239       if (aConnected) {
 240         aNew.Append(aNotIter.Value());
 241         aNotConnected.Remove(aNotIter);
 242       } else {
 243         aNotIter.Next();
 244       }
 245     }
 246     // remove all new connected and put to this list very new connected
 247     aNewConnected.Clear();
 248     aNewConnected.Append(aNew);
 249   }
 250   return aNotConnected.IsEmpty() == Standard_True;
 251 }
 252
 253 bool GeomAPI_Shape::isSolid() const
 254 {
 255   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 256   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_SOLID;
 257 }
 258
 259 bool GeomAPI_Shape::isCompSolid() const
 260 {
 261   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 262   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_COMPSOLID;
 263 }
 264
 265 bool GeomAPI_Shape::isPlanar() const
 266 {
 267   TopoDS_Shape aShape = impl<TopoDS_Shape>();
 268
 269   if(aShape.IsNull()) {
 270     return false;
 271   }
 272
 273   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 274   if(aShapeType == TopAbs_COMPOUND) {
 275     TopoDS_Iterator anIt(aShape);
 276     int aShNum = 0;
 277     for(; anIt.More(); anIt.Next()) {
 278       ++aShNum;
 279     }
 280     if(aShNum == 1) {
 281       anIt.Initialize(aShape);
 282       aShape = anIt.Value();
 283     }
 284   }
 285
 286   aShapeType = aShape.ShapeType();
 287   if(aShapeType == TopAbs_VERTEX) {
 288     return true;
 289   } else if(aShapeType == TopAbs_FACE) {
 290     const Handle(Geom_Surface)& aSurface = BRep_Tool::Surface(TopoDS::Face(aShape));
 291     Handle(Standard_Type) aType = aSurface->DynamicType();
 292
 293     if(aType == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) {
 294       Handle(Geom_RectangularTrimmedSurface) aTrimSurface =
 295         Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface);
 296       aType = aTrimSurface->BasisSurface()->DynamicType();
 297     }
 298     return (aType == STANDARD_TYPE(Geom_Plane)) == Standard_True;
 299   } else {
 300     BRepBuilderAPI_FindPlane aFindPlane(aShape);
 301     bool isFound = aFindPlane.Found() == Standard_True;
 302
 303     if(!isFound && aShapeType == TopAbs_EDGE) {
 304       Standard_Real aFirst, aLast;
 305       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aShape), aFirst, aLast);
 306       Handle(Standard_Type) aType = aCurve->DynamicType();
 307
 308       if(aType == STANDARD_TYPE(Geom_TrimmedCurve)) {
 309         Handle(Geom_TrimmedCurve) aTrimCurve = Handle(Geom_TrimmedCurve)::DownCast(aCurve);
 310         aType = aTrimCurve->BasisCurve()->DynamicType();
 311       }
 312
 313       if(aType == STANDARD_TYPE(Geom_Line)
 314           || aType == STANDARD_TYPE(Geom_Conic)
 315           || aType == STANDARD_TYPE(Geom_Circle)
 316           || aType == STANDARD_TYPE(Geom_Ellipse)
 317           || aType == STANDARD_TYPE(Geom_Hyperbola)
 318           || aType == STANDARD_TYPE(Geom_Parabola)) {
 319         isFound = true;
 320       }
 321     }
 322
 323     return isFound;
 324   }
 325
 326   return false;
 327 }
 328
 329 std::shared_ptr<GeomAPI_Vertex> GeomAPI_Shape::vertex() const
 330 {
 331   GeomVertexPtr aVertex;
 332   if (isVertex()) {
 333     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 334     aVertex = GeomVertexPtr(new GeomAPI_Vertex);
 335     aVertex->setImpl(new TopoDS_Shape(aShape));
 336   }
 337   return aVertex;
 338 }
 339
 340 std::shared_ptr<GeomAPI_Edge> GeomAPI_Shape::edge() const
 341 {
 342   GeomEdgePtr anEdge;
 343   if (isEdge()) {
 344     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 345     anEdge = GeomEdgePtr(new GeomAPI_Edge);
 346     anEdge->setImpl(new TopoDS_Shape(aShape));
 347   }
 348   return anEdge;
 349 }
 350
 351 std::shared_ptr<GeomAPI_Wire> GeomAPI_Shape::wire() const
 352 {
 353   GeomWirePtr aWire;
 354   if (isWire()) {
 355     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 356     aWire = GeomWirePtr(new GeomAPI_Wire);
 357     aWire->setImpl(new TopoDS_Shape(aShape));
 358   }
 359   return aWire;
 360 }
 361
 362 std::shared_ptr<GeomAPI_Face> GeomAPI_Shape::face() const
 363 {
 364   GeomFacePtr aFace;
 365   if (isFace()) {
 366     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 367     aFace = GeomFacePtr(new GeomAPI_Face);
 368     aFace->setImpl(new TopoDS_Shape(aShape));
 369   }
 370   return aFace;
 371 }
 372
 373 std::shared_ptr<GeomAPI_Shell> GeomAPI_Shape::shell() const
 374 {
 375   GeomShellPtr aShell;
 376   if (isShell()) {
 377     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 378     aShell = GeomShellPtr(new GeomAPI_Shell);
 379     aShell->setImpl(new TopoDS_Shape(aShape));
 380   }
 381   return aShell;
 382 }
 383
 384 std::shared_ptr<GeomAPI_Solid> GeomAPI_Shape::solid() const
 385 {
 386   GeomSolidPtr aSolid;
 387   if (isSolid()) {
 388     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 389     aSolid = GeomSolidPtr(new GeomAPI_Solid);
 390     aSolid->setImpl(new TopoDS_Shape(aShape));
 391   }
 392   return aSolid;
 393 }
 394
 395 std::list<std::shared_ptr<GeomAPI_Shape> >
 396 GeomAPI_Shape::subShapes(ShapeType theSubShapeType) const
 397 {
 398   ListOfShape aSubs;
 399   const TopoDS_Shape& aShape = impl<TopoDS_Shape>();
 400   if (aShape.IsNull())
 401     return aSubs;
 402
 403   // process multi-level compounds
 404   if (shapeType() == COMPOUND && theSubShapeType == COMPOUND) {
 405     for (TopoDS_Iterator anIt(aShape); anIt.More(); anIt.Next()) {
 406       const TopoDS_Shape& aCurrent = anIt.Value();
 407       if (aCurrent.ShapeType() == TopAbs_COMPOUND) {
 408         GeomShapePtr aSub(new GeomAPI_Shape);
 409         aSub->setImpl(new TopoDS_Shape(aCurrent));
 410         aSubs.push_back(aSub);
 411       }
 412     }
 413     // add self
 414     GeomShapePtr aSub(new GeomAPI_Shape);
 415     aSub->setImpl(new TopoDS_Shape(aShape));
 416     aSubs.push_back(aSub);
 417   }
 418   else {
 419     for (TopExp_Explorer anExp(aShape, (TopAbs_ShapeEnum)theSubShapeType);
 420          anExp.More(); anExp.Next()) {
 421       GeomShapePtr aSub(new GeomAPI_Shape);
 422       aSub->setImpl(new TopoDS_Shape(anExp.Current()));
 423       aSubs.push_back(aSub);
 424     }
 425   }
 426   return aSubs;
 427 }
 428
 429 GeomAPI_Shape::ShapeType GeomAPI_Shape::shapeType() const
 430 {
 431   const TopoDS_Shape& aShape = impl<TopoDS_Shape>();
 432   if (aShape.IsNull())
 433     return GeomAPI_Shape::SHAPE;
 434
 435   ShapeType aST = GeomAPI_Shape::SHAPE;
 436
 437   switch(aShape.ShapeType()) {
 438   case TopAbs_COMPOUND:
 439     aST = GeomAPI_Shape::COMPOUND;
 440     break;
 441   case TopAbs_COMPSOLID:
 442     aST = GeomAPI_Shape::COMPSOLID;
 443     break;
 444   case TopAbs_SOLID:
 445     aST = GeomAPI_Shape::SOLID;
 446     break;
 447   case TopAbs_SHELL:
 448     aST = GeomAPI_Shape::SHELL;
 449     break;
 450   case TopAbs_FACE:
 451     aST = GeomAPI_Shape::FACE;
 452     break;
 453   case TopAbs_WIRE:
 454     aST = GeomAPI_Shape::WIRE;
 455     break;
 456   case TopAbs_EDGE:
 457     aST = GeomAPI_Shape::EDGE;
 458     break;
 459   case TopAbs_VERTEX:
 460     aST = GeomAPI_Shape::VERTEX;
 461     break;
 462   case TopAbs_SHAPE:
 463     aST = GeomAPI_Shape::SHAPE;
 464     break;
 465   }
 466
 467   return aST;
 468 }
 469
 470 GeomAPI_Shape::ShapeType GeomAPI_Shape::shapeTypeByStr(std::string theType)
 471 {
 472   std::transform(theType.begin(), theType.end(), theType.begin(), ::toupper);
 473   if (theType == "COMPOUND" || theType == "COMPOUNDS")
 474     return COMPOUND;
 475   if (theType == "COMPSOLID" || theType == "COMPSOLIDS")
 476     return COMPSOLID;
 477   if (theType == "SOLID" || theType == "SOLIDS")
 478     return SOLID;
 479   if (theType == "SHELL" || theType == "SHELLS")
 480     return SHELL;
 481   if (theType == "FACE" || theType == "FACES")
 482     return FACE;
 483   if (theType == "WIRE" || theType == "WIRES")
 484     return WIRE;
 485   if (theType == "EDGE" || theType == "EDGES")
 486     return EDGE;
 487   if (theType == "VERTEX" || theType == "VERTICES")
 488     return VERTEX;
 489   return SHAPE; // default
 490 }
 491
 492 std::string GeomAPI_Shape::shapeTypeStr() const
 493 {
 494   ShapeType aShapeType = shapeType();
 495   std::string aShapeTypeStr;
 496
 497   switch(aShapeType) {
 498     case COMPOUND: {
 499       aShapeTypeStr = "COMPOUND";
 500       break;
 501     }
 502     case COMPSOLID: {
 503       aShapeTypeStr = "COMPSOLID";
 504       break;
 505     }
 506     case SOLID: {
 507       aShapeTypeStr = "SOLID";
 508       break;
 509     }
 510     case SHELL: {
 511       aShapeTypeStr = "SHELL";
 512       break;
 513     }
 514     case FACE: {
 515       aShapeTypeStr = "FACE";
 516       break;
 517     }
 518     case WIRE: {
 519       aShapeTypeStr = "WIRE";
 520       break;
 521     }
 522     case EDGE: {
 523       aShapeTypeStr = "EDGE";
 524       break;
 525     }
 526     case VERTEX: {
 527       aShapeTypeStr = "VERTEX";
 528       break;
 529     }
 530     case SHAPE: {
 531       aShapeTypeStr = "SHAPE";
 532       break;
 533     }
 534   }
 535
 536   return aShapeTypeStr;
 537 }
 538
 539 GeomAPI_Shape::Orientation GeomAPI_Shape::orientation() const
 540 {
 541   TopAbs_Orientation anOrientation = MY_SHAPE->Orientation();
 542
 543   switch(anOrientation) {
 544     case TopAbs_FORWARD:  return FORWARD;
 545     case TopAbs_REVERSED: return REVERSED;
 546     case TopAbs_INTERNAL: return INTERNAL;
 547     case TopAbs_EXTERNAL: return EXTERNAL;
 548     default:              return FORWARD;
 549   }
 550 }
 551
 552 void GeomAPI_Shape::setOrientation(const GeomAPI_Shape::Orientation theOrientation)
 553 {
 554   TopAbs_Orientation anOrientation = MY_SHAPE->Orientation();
 555
 556   switch(theOrientation) {
 557     case FORWARD:  MY_SHAPE->Orientation(TopAbs_FORWARD);  break;
 558     case REVERSED: MY_SHAPE->Orientation(TopAbs_REVERSED); break;
 559     case INTERNAL: MY_SHAPE->Orientation(TopAbs_INTERNAL); break;
 560     case EXTERNAL: MY_SHAPE->Orientation(TopAbs_EXTERNAL); break;
 561   }
 562 }
 563
 564 void GeomAPI_Shape::reverse()
 565 {
 566   MY_SHAPE->Reverse();
 567 }
 568
 569 bool GeomAPI_Shape::isSubShape(const std::shared_ptr<GeomAPI_Shape> theShape,
 570                                const bool theCheckOrientation) const
 571 {
 572   if(!theShape.get()) {
 573     return false;
 574   }
 575
 576   const TopoDS_Shape& aShapeToSearch = theShape->impl<TopoDS_Shape>();
 577   if(aShapeToSearch.IsNull()) {
 578     return false;
 579   }
 580
 581   for(TopExp_Explorer anExp(*MY_SHAPE, aShapeToSearch.ShapeType()); anExp.More(); anExp.Next()) {
 582     if(theCheckOrientation ?
 583        aShapeToSearch.IsEqual(anExp.Current()) : aShapeToSearch.IsSame(anExp.Current())) {
 584       return true;
 585     }
 586   }
 587
 588   return false;
 589 }
 590
 591 bool GeomAPI_Shape::computeSize(double& theXmin, double& theYmin, double& theZmin,
 592                                 double& theXmax, double& theYmax, double& theZmax) const
 593 {
 594   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 595   if (aShape.IsNull())
 596     return false;
 597   Bnd_Box aBndBox;
 598   BRepBndLib::Add(aShape, aBndBox, false);
 599   if (aBndBox.IsVoid())
 600     return false;
 601   aBndBox.Get(theXmin, theYmin, theZmin, theXmax, theYmax, theZmax);
 602   return true;
 603 }
 604
 605 GeomPointPtr GeomAPI_Shape::middlePoint() const
 606 {
 607   GeomPointPtr aMiddlePoint;
 608
 609   switch (shapeType()) {
 610   case VERTEX:
 611     aMiddlePoint = vertex()->point();
 612     break;
 613   case EDGE:
 614     aMiddlePoint = edge()->middlePoint();
 615     break;
 616   case WIRE:
 617     aMiddlePoint = wire()->middlePoint();
 618     break;
 619   case FACE:
 620     aMiddlePoint = face()->middlePoint();
 621     break;
 622   case SHELL:
 623     aMiddlePoint = shell()->middlePoint();
 624     break;
 625   case SOLID:
 626     aMiddlePoint = solid()->middlePoint();
 627     break;
 628   default: {
 629       // get middle point as center of the bounding box
 630       double aMinX, aMinY, aMinZ, aMaxX, aMaxY, aMaxZ;
 631       computeSize(aMinX, aMinY, aMinZ, aMaxX, aMaxY, aMaxZ);
 632       aMiddlePoint = GeomPointPtr(new GeomAPI_Pnt(
 633           (aMinX + aMaxX) * 0.5, (aMinY + aMaxY) * 0.5, (aMinZ + aMaxZ) * 0.5));
 634     }
 635   }
 636
 637   return aMiddlePoint;
 638 }
 639
 640 // LCOV_EXCL_START
 641 std::string GeomAPI_Shape::getShapeStream() const
 642 {
 643   std::ostringstream aStream;
 644   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 645   BRepTools::Write(aShape, aStream);
 646   return aStream.str();
 647 }
 648 // LCOV_EXCL_STOP
 649
 650 GeomShapePtr GeomAPI_Shape::intersect(const GeomShapePtr theShape) const
 651 {
 652   const TopoDS_Shape& aShape1 = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 653   const TopoDS_Shape& aShape2 = theShape->impl<TopoDS_Shape>();
 654
 655   BRepAlgoAPI_Section aCommon(aShape1, aShape2);
 656   if (!aCommon.IsDone())
 657     return GeomShapePtr();
 658
 659   TopoDS_Shape aResult = aCommon.Shape();
 660   if (aResult.ShapeType() == TopAbs_COMPOUND) {
 661     NCollection_List<TopoDS_Shape> aSubs;
 662     addSimpleToList(aResult, aSubs);
 663     if(aSubs.Size() == 1) {
 664       aResult = aSubs.First();
 665     } else if(aSubs.Size() == 0) {
 666       return GeomShapePtr();
 667     }
 668   }
 669
 670   GeomShapePtr aResShape(new GeomAPI_Shape);
 671   aResShape->setImpl(new TopoDS_Shape(aResult));
 672   return aResShape;
 673 }
 674
 675 bool GeomAPI_Shape::isIntersect(const GeomShapePtr theShape) const
 676 {
 677   if(!theShape.get()) {
 678     return false;
 679   }
 680
 681   const TopoDS_Shape& aShape1 = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 682   const TopoDS_Shape& aShape2 = theShape->impl<TopoDS_Shape>();
 683
 684   BRepExtrema_DistShapeShape aDist(aShape1, aShape2);
 685   aDist.Perform();
 686   if(aDist.IsDone() && aDist.Value() < Precision::Confusion()) {
 687     return true;
 688   }
 689
 690   return false;
 691 }
 692
 693 void GeomAPI_Shape::translate(const std::shared_ptr<GeomAPI_Dir> theDir, const double theOffset)
 694 {
 695   gp_Dir aDir = theDir->impl<gp_Dir>();
 696   gp_Vec aTrsfVec(aDir.XYZ() * theOffset);
 697   gp_Trsf aTranslation;
 698   aTranslation.SetTranslation(aTrsfVec);
 699   TopoDS_Shape aResult = MY_SHAPE->Moved(aTranslation);
 700   setImpl(new TopoDS_Shape(aResult));
 701 }
 702
 703 void GeomAPI_Shape::move(const std::shared_ptr<GeomAPI_Trsf> theTransformation)
 704 {
 705   TopoDS_Shape aResult = MY_SHAPE->Moved(theTransformation->impl<gp_Trsf>());
 706   setImpl(new TopoDS_Shape(aResult));
 707 }
 708
 709 bool GeomAPI_Shape::isSelfIntersected(const int theLevelOfCheck) const
 710 {
 711   BOPAlgo_CheckerSI aCSI;  // checker of self-interferences
 712   aCSI.SetLevelOfCheck(theLevelOfCheck);
 713   TopTools_ListOfShape aList;
 714   const TopoDS_Shape& aThisShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 715   aList.Append(aThisShape);
 716   aCSI.SetArguments(aList);
 717   aCSI.Perform();
 718   if (aCSI.HasErrors() || aCSI.DS().Interferences().Extent() > 0) {
 719     return true;
 720   }
 721
 722   return false;
 723 }
 724
 725 bool GeomAPI_Shape::Comparator::operator()(const std::shared_ptr<GeomAPI_Shape>& theShape1,
 726                                            const std::shared_ptr<GeomAPI_Shape>& theShape2) const
 727 {
 728   const TopoDS_Shape& aShape1 = theShape1->impl<TopoDS_Shape>();
 729   const TopoDS_Shape& aShape2 = theShape2->impl<TopoDS_Shape>();
 730   bool isLess = aShape1.TShape() < aShape2.TShape();
 731   if (aShape1.TShape() == aShape2.TShape()) {
 732     Standard_Integer aHash1 = aShape1.Location().HashCode(IntegerLast());
 733     Standard_Integer aHash2 = aShape2.Location().HashCode(IntegerLast());
 734     isLess = aHash1 < aHash2;
 735   }
 736   return isLess;
 737 }
 738
 739 bool GeomAPI_Shape::ComparatorWithOri::operator()(
 740     const std::shared_ptr<GeomAPI_Shape>& theShape1,
 741     const std::shared_ptr<GeomAPI_Shape>& theShape2) const
 742 {
 743   const TopoDS_Shape& aShape1 = theShape1->impl<TopoDS_Shape>();
 744   const TopoDS_Shape& aShape2 = theShape2->impl<TopoDS_Shape>();
 745   bool isLess = aShape1.TShape() < aShape2.TShape();
 746   if (aShape1.TShape() == aShape2.TShape()) {
 747     Standard_Integer aHash1 = aShape1.Location().HashCode(IntegerLast());
 748     Standard_Integer aHash2 = aShape2.Location().HashCode(IntegerLast());
 749     isLess = (aHash1 < aHash2) ||
 750              (aHash1 == aHash2 && aShape1.Orientation() < aShape2.Orientation());
 751   }
 752   return isLess;
 753 }