src/GeomAPI/GeomAPI_Shape.cpp

   1 // Copyright (C) 2014-2020  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
  59 #include <sstream>
  60 #include <algorithm> // for std::transform
  61
  62 #include <BRepTools.hxx>
  63
  64 #define MY_SHAPE implPtr<TopoDS_Shape>()
  65
  66 GeomAPI_Shape::GeomAPI_Shape()
  67     : GeomAPI_Interface(new TopoDS_Shape())
  68 {
  69 }
  70
  71 std::shared_ptr<GeomAPI_Shape> GeomAPI_Shape::emptyCopied() const
  72 {
  73   GeomShapePtr aShape(new GeomAPI_Shape());
  74   aShape->setImpl(new TopoDS_Shape(MY_SHAPE->EmptyCopied()));
  75   return aShape;
  76 }
  77
  78 bool GeomAPI_Shape::isNull() const
  79 {
  80   return MY_SHAPE->IsNull() == Standard_True;
  81 }
  82
  83 bool GeomAPI_Shape::isEqual(const std::shared_ptr<GeomAPI_Shape> theShape) const
  84 {
  85   if (!theShape.get())
  86     return false;
  87   if (isNull())
  88     return theShape->isNull();
  89   if (theShape->isNull())
  90     return false;
  91
  92   return MY_SHAPE->IsEqual(theShape->impl<TopoDS_Shape>()) == Standard_True;
  93 }
  94
  95 bool GeomAPI_Shape::isSame(const std::shared_ptr<GeomAPI_Shape> theShape) const
  96 {
  97   bool isNullShape = !theShape.get() || theShape->isNull();;
  98   if (isNull())
  99     return isNullShape;
 100   if (isNullShape)
 101     return false;
 102
 103   return MY_SHAPE->IsSame(theShape->impl<TopoDS_Shape>()) == Standard_True;
 104 }
 105
 106 bool GeomAPI_Shape::isSameGeometry(const std::shared_ptr<GeomAPI_Shape> theShape) const
 107 {
 108   if (isFace())
 109     return face()->isSameGeometry(theShape);
 110   else if (isEdge())
 111     return edge()->isSameGeometry(theShape);
 112   return false;
 113 }
 114
 115 bool GeomAPI_Shape::isVertex() const
 116 {
 117   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 118   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_VERTEX;
 119 }
 120
 121 bool GeomAPI_Shape::isEdge() const
 122 {
 123   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 124   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_EDGE;
 125 }
 126
 127 bool GeomAPI_Shape::isWire() const
 128 {
 129   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 130   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_WIRE;
 131 }
 132
 133 bool GeomAPI_Shape::isFace() const
 134 {
 135   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 136   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_FACE;
 137 }
 138
 139 bool GeomAPI_Shape::isShell() const
 140 {
 141   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 142   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_SHELL;
 143 }
 144
 145 bool GeomAPI_Shape::isCompound() const
 146 {
 147   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 148   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_COMPOUND;
 149 }
 150
 151 bool GeomAPI_Shape::isCompoundOfSolids() const
 152 {
 153   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 154   if (aShape.IsNull() || aShape.ShapeType() != TopAbs_COMPOUND)
 155     return false;
 156   bool isAtLeastOne = false;
 157   for(TopoDS_Iterator aSubs(aShape); aSubs.More(); aSubs.Next()) {
 158     if (aSubs.Value().IsNull() || aSubs.Value().ShapeType() != TopAbs_SOLID)
 159       return false;
 160     isAtLeastOne = true;
 161   }
 162   return isAtLeastOne;
 163 }
 164
 165 // LCOV_EXCL_START
 166 GeomAPI_Shape::ShapeType GeomAPI_Shape::typeOfCompoundShapes() const
 167 {
 168   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 169   if (aShape.IsNull() || aShape.ShapeType() != TopAbs_COMPOUND)
 170     return SHAPE;
 171   int aType = -1;
 172   for(TopoDS_Iterator aSubs(aShape); aSubs.More(); aSubs.Next()) {
 173     if (!aSubs.Value().IsNull()) {
 174       if (aType == -1)
 175         aType = aSubs.Value().ShapeType();
 176       else if (aSubs.Value().ShapeType() != aType)
 177         return SHAPE;
 178     }
 179   }
 180   return (GeomAPI_Shape::ShapeType) aType;
 181 }
 182 // LCOV_EXCL_STOP
 183
 184 // adds the nopt-compound elements recursively to the list
 185 static void addSimpleToList(const TopoDS_Shape& theShape, NCollection_List<TopoDS_Shape>& theList)
 186 {
 187   if (!theShape.IsNull()) {
 188     if (theShape.ShapeType() == TopAbs_COMPOUND) {
 189       for(TopoDS_Iterator aSubs(theShape); aSubs.More(); aSubs.Next()) {
 190         addSimpleToList(aSubs.Value(), theList);
 191       }
 192     } else {
 193       theList.Append(theShape);
 194     }
 195   }
 196 }
 197
 198 bool GeomAPI_Shape::isConnectedTopology() const
 199 {
 200   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 201   if (aShape.IsNull() || aShape.ShapeType() != TopAbs_COMPOUND)
 202     return false;
 203   // list of simple elements that are not detected in connection to others
 204   NCollection_List<TopoDS_Shape> aNotConnected;
 205   addSimpleToList(aShape, aNotConnected);
 206   if (aNotConnected.IsEmpty()) // an empty compound
 207     return false;
 208
 209   // collect here the group of connected subs, starting with one first element
 210   NCollection_List<TopoDS_Shape> aNewConnected;
 211   aNewConnected.Append(aNotConnected.First());
 212   aNotConnected.RemoveFirst();
 213   // iterate until some new element become connected
 214   while(!aNewConnected.IsEmpty() && !aNotConnected.IsEmpty()) {
 215     NCollection_List<TopoDS_Shape> aNew; // very new connected to new connected
 216     NCollection_List<TopoDS_Shape>::Iterator aNotIter(aNotConnected);
 217     while(aNotIter.More()) {
 218       // optimization to avoid TopExp_Explorer double-cycle, collect all vertices in the list first
 219       NCollection_List<TopoDS_Shape> aNotVertices;
 220       for(TopExp_Explorer anExp1(aNotIter.Value(), TopAbs_VERTEX); anExp1.More(); anExp1.Next()) {
 221         aNotVertices.Append(anExp1.Current());
 222       }
 223
 224       bool aConnected =  false;
 225       NCollection_List<TopoDS_Shape>::Iterator aNewIter(aNewConnected);
 226       for(; !aConnected && aNewIter.More(); aNewIter.Next()) {
 227         // checking topological connecion of aNotIter and aNewIter
 228         // (if shapes are connected, vertices are connected for sure)
 229         TopExp_Explorer anExp2(aNewIter.Value(), TopAbs_VERTEX);
 230         for(; !aConnected && anExp2.More(); anExp2.Next()) {
 231           NCollection_List<TopoDS_Shape>::Iterator aNotVIter(aNotVertices);
 232           for(; aNotVIter.More(); aNotVIter.Next()) {
 233             if (aNotVIter.Value().IsSame(anExp2.Current())) {
 234               aConnected = true;
 235               break;
 236             }
 237           }
 238         }
 239       }
 240       if (aConnected) {
 241         aNew.Append(aNotIter.Value());
 242         aNotConnected.Remove(aNotIter);
 243       } else {
 244         aNotIter.Next();
 245       }
 246     }
 247     // remove all new connected and put to this list very new connected
 248     aNewConnected.Clear();
 249     aNewConnected.Append(aNew);
 250   }
 251   return aNotConnected.IsEmpty() == Standard_True;
 252 }
 253
 254 bool GeomAPI_Shape::isSolid() const
 255 {
 256   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 257   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_SOLID;
 258 }
 259
 260 bool GeomAPI_Shape::isCompSolid() const
 261 {
 262   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 263   return !aShape.IsNull() && aShape.ShapeType() == TopAbs_COMPSOLID;
 264 }
 265
 266 bool GeomAPI_Shape::isPlanar() const
 267 {
 268   TopoDS_Shape aShape = impl<TopoDS_Shape>();
 269
 270   if(aShape.IsNull()) {
 271     return false;
 272   }
 273
 274   TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
 275   if(aShapeType == TopAbs_COMPOUND) {
 276     TopoDS_Iterator anIt(aShape);
 277     int aShNum = 0;
 278     for(; anIt.More(); anIt.Next()) {
 279       ++aShNum;
 280     }
 281     if(aShNum == 1) {
 282       anIt.Initialize(aShape);
 283       aShape = anIt.Value();
 284     }
 285   }
 286
 287   aShapeType = aShape.ShapeType();
 288   if(aShapeType == TopAbs_VERTEX) {
 289     return true;
 290   } else if(aShapeType == TopAbs_FACE) {
 291     Handle(Geom_Surface) aSurface = BRep_Tool::Surface(TopoDS::Face(aShape));
 292     if(aSurface->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) {
 293       Handle(Geom_RectangularTrimmedSurface) aTrimSurface =
 294           Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface);
 295       aSurface = aTrimSurface->BasisSurface();
 296     }
 297     return GeomLib_IsPlanarSurface(aSurface).IsPlanar();
 298   } else {
 299     BRepBuilderAPI_FindPlane aFindPlane(aShape);
 300     bool isFound = aFindPlane.Found() == Standard_True;
 301
 302     if(!isFound && aShapeType == TopAbs_EDGE) {
 303       Standard_Real aFirst, aLast;
 304       Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aShape), aFirst, aLast);
 305       Handle(Standard_Type) aType = aCurve->DynamicType();
 306
 307       if(aType == STANDARD_TYPE(Geom_TrimmedCurve)) {
 308         Handle(Geom_TrimmedCurve) aTrimCurve = Handle(Geom_TrimmedCurve)::DownCast(aCurve);
 309         aType = aTrimCurve->BasisCurve()->DynamicType();
 310       }
 311
 312       if(aType == STANDARD_TYPE(Geom_Line)
 313           || aType == STANDARD_TYPE(Geom_Conic)
 314           || aType == STANDARD_TYPE(Geom_Circle)
 315           || aType == STANDARD_TYPE(Geom_Ellipse)
 316           || aType == STANDARD_TYPE(Geom_Hyperbola)
 317           || aType == STANDARD_TYPE(Geom_Parabola)) {
 318         isFound = true;
 319       }
 320     }
 321
 322     return isFound;
 323   }
 324
 325   return false;
 326 }
 327
 328 std::shared_ptr<GeomAPI_Vertex> GeomAPI_Shape::vertex() const
 329 {
 330   GeomVertexPtr aVertex;
 331   if (isVertex()) {
 332     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 333     aVertex = GeomVertexPtr(new GeomAPI_Vertex);
 334     aVertex->setImpl(new TopoDS_Shape(aShape));
 335   }
 336   return aVertex;
 337 }
 338
 339 std::shared_ptr<GeomAPI_Edge> GeomAPI_Shape::edge() const
 340 {
 341   GeomEdgePtr anEdge;
 342   if (isEdge()) {
 343     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 344     anEdge = GeomEdgePtr(new GeomAPI_Edge);
 345     anEdge->setImpl(new TopoDS_Shape(aShape));
 346   }
 347   return anEdge;
 348 }
 349
 350 std::shared_ptr<GeomAPI_Wire> GeomAPI_Shape::wire() const
 351 {
 352   GeomWirePtr aWire;
 353   if (isWire()) {
 354     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 355     aWire = GeomWirePtr(new GeomAPI_Wire);
 356     aWire->setImpl(new TopoDS_Shape(aShape));
 357   }
 358   return aWire;
 359 }
 360
 361 std::shared_ptr<GeomAPI_Face> GeomAPI_Shape::face() const
 362 {
 363   GeomFacePtr aFace;
 364   if (isFace()) {
 365     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 366     aFace = GeomFacePtr(new GeomAPI_Face);
 367     aFace->setImpl(new TopoDS_Shape(aShape));
 368   }
 369   return aFace;
 370 }
 371
 372 std::shared_ptr<GeomAPI_Shell> GeomAPI_Shape::shell() const
 373 {
 374   GeomShellPtr aShell;
 375   if (isShell()) {
 376     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 377     aShell = GeomShellPtr(new GeomAPI_Shell);
 378     aShell->setImpl(new TopoDS_Shape(aShape));
 379   }
 380   return aShell;
 381 }
 382
 383 std::shared_ptr<GeomAPI_Solid> GeomAPI_Shape::solid() const
 384 {
 385   GeomSolidPtr aSolid;
 386   if (isSolid()) {
 387     const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 388     aSolid = GeomSolidPtr(new GeomAPI_Solid);
 389     aSolid->setImpl(new TopoDS_Shape(aShape));
 390   }
 391   return aSolid;
 392 }
 393
 394 std::list<std::shared_ptr<GeomAPI_Shape> >
 395 GeomAPI_Shape::subShapes(ShapeType theSubShapeType) const
 396 {
 397   ListOfShape aSubs;
 398   const TopoDS_Shape& aShape = impl<TopoDS_Shape>();
 399   if (aShape.IsNull())
 400     return aSubs;
 401
 402   // process multi-level compounds
 403   if (shapeType() == COMPOUND && theSubShapeType == COMPOUND) {
 404     for (TopoDS_Iterator anIt(aShape); anIt.More(); anIt.Next()) {
 405       const TopoDS_Shape& aCurrent = anIt.Value();
 406       if (aCurrent.ShapeType() == TopAbs_COMPOUND) {
 407         GeomShapePtr aSub(new GeomAPI_Shape);
 408         aSub->setImpl(new TopoDS_Shape(aCurrent));
 409         aSubs.push_back(aSub);
 410       }
 411     }
 412     // add self
 413     GeomShapePtr aSub(new GeomAPI_Shape);
 414     aSub->setImpl(new TopoDS_Shape(aShape));
 415     aSubs.push_back(aSub);
 416   }
 417   else {
 418     for (TopExp_Explorer anExp(aShape, (TopAbs_ShapeEnum)theSubShapeType);
 419          anExp.More(); anExp.Next()) {
 420       GeomShapePtr aSub(new GeomAPI_Shape);
 421       aSub->setImpl(new TopoDS_Shape(anExp.Current()));
 422       aSubs.push_back(aSub);
 423     }
 424   }
 425   return aSubs;
 426 }
 427
 428 GeomAPI_Shape::ShapeType GeomAPI_Shape::shapeType() const
 429 {
 430   const TopoDS_Shape& aShape = impl<TopoDS_Shape>();
 431   if (aShape.IsNull())
 432     return GeomAPI_Shape::SHAPE;
 433
 434   ShapeType aST = GeomAPI_Shape::SHAPE;
 435
 436   switch(aShape.ShapeType()) {
 437   case TopAbs_COMPOUND:
 438     aST = GeomAPI_Shape::COMPOUND;
 439     break;
 440   case TopAbs_COMPSOLID:
 441     aST = GeomAPI_Shape::COMPSOLID;
 442     break;
 443   case TopAbs_SOLID:
 444     aST = GeomAPI_Shape::SOLID;
 445     break;
 446   case TopAbs_SHELL:
 447     aST = GeomAPI_Shape::SHELL;
 448     break;
 449   case TopAbs_FACE:
 450     aST = GeomAPI_Shape::FACE;
 451     break;
 452   case TopAbs_WIRE:
 453     aST = GeomAPI_Shape::WIRE;
 454     break;
 455   case TopAbs_EDGE:
 456     aST = GeomAPI_Shape::EDGE;
 457     break;
 458   case TopAbs_VERTEX:
 459     aST = GeomAPI_Shape::VERTEX;
 460     break;
 461   case TopAbs_SHAPE:
 462     aST = GeomAPI_Shape::SHAPE;
 463     break;
 464   }
 465
 466   return aST;
 467 }
 468
 469 GeomAPI_Shape::ShapeType GeomAPI_Shape::shapeTypeByStr(std::string theType)
 470 {
 471   std::transform(theType.begin(), theType.end(), theType.begin(),
 472                  [](char c) { return static_cast<char>(::toupper(c)); });
 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   switch(theOrientation) {
 555     case FORWARD:  MY_SHAPE->Orientation(TopAbs_FORWARD);  break;
 556     case REVERSED: MY_SHAPE->Orientation(TopAbs_REVERSED); break;
 557     case INTERNAL: MY_SHAPE->Orientation(TopAbs_INTERNAL); break;
 558     case EXTERNAL: MY_SHAPE->Orientation(TopAbs_EXTERNAL); break;
 559   }
 560 }
 561
 562 void GeomAPI_Shape::reverse()
 563 {
 564   MY_SHAPE->Reverse();
 565 }
 566
 567 bool GeomAPI_Shape::isSubShape(const std::shared_ptr<GeomAPI_Shape> theShape,
 568                                const bool theCheckOrientation) const
 569 {
 570   if(!theShape.get()) {
 571     return false;
 572   }
 573
 574   const TopoDS_Shape& aShapeToSearch = theShape->impl<TopoDS_Shape>();
 575   if(aShapeToSearch.IsNull()) {
 576     return false;
 577   }
 578
 579   for(TopExp_Explorer anExp(*MY_SHAPE, aShapeToSearch.ShapeType()); anExp.More(); anExp.Next()) {
 580     if(theCheckOrientation ?
 581        aShapeToSearch.IsEqual(anExp.Current()) : aShapeToSearch.IsSame(anExp.Current())) {
 582       return true;
 583     }
 584   }
 585
 586   return false;
 587 }
 588
 589 bool GeomAPI_Shape::computeSize(double& theXmin, double& theYmin, double& theZmin,
 590                                 double& theXmax, double& theYmax, double& theZmax) const
 591 {
 592   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 593   if (aShape.IsNull())
 594     return false;
 595   Bnd_Box aBndBox;
 596   BRepBndLib::AddOptimal(aShape, aBndBox, false, true);
 597   if (aBndBox.IsVoid())
 598     return false;
 599   aBndBox.Get(theXmin, theYmin, theZmin, theXmax, theYmax, theZmax);
 600   return true;
 601 }
 602
 603 GeomPointPtr GeomAPI_Shape::middlePoint() const
 604 {
 605   GeomPointPtr aMiddlePoint;
 606
 607   switch (shapeType()) {
 608   case VERTEX:
 609     aMiddlePoint = vertex()->point();
 610     break;
 611   case EDGE:
 612     aMiddlePoint = edge()->middlePoint();
 613     break;
 614   case WIRE:
 615     aMiddlePoint = wire()->middlePoint();
 616     break;
 617   case FACE:
 618     aMiddlePoint = face()->middlePoint();
 619     break;
 620   case SHELL:
 621     aMiddlePoint = shell()->middlePoint();
 622     break;
 623   case SOLID:
 624     aMiddlePoint = solid()->middlePoint();
 625     break;
 626   default: {
 627       // get middle point as center of the bounding box
 628       double aMinX, aMinY, aMinZ, aMaxX, aMaxY, aMaxZ;
 629       computeSize(aMinX, aMinY, aMinZ, aMaxX, aMaxY, aMaxZ);
 630       aMiddlePoint = GeomPointPtr(new GeomAPI_Pnt(
 631           (aMinX + aMaxX) * 0.5, (aMinY + aMaxY) * 0.5, (aMinZ + aMaxZ) * 0.5));
 632     }
 633   }
 634
 635   return aMiddlePoint;
 636 }
 637
 638 // LCOV_EXCL_START
 639 std::string GeomAPI_Shape::getShapeStream(const bool theWithTriangulation) const
 640 {
 641   std::ostringstream aStream;
 642   const TopoDS_Shape& aShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 643   if (!theWithTriangulation) { // make a copy of shape without triangulation
 644     BRepBuilderAPI_Copy aCopy(aShape, Standard_False, Standard_False);
 645     const TopoDS_Shape& aCopyShape = aCopy.Shape();
 646     // make all faces unchecked to make the stream of shapes the same
 647     TopExp_Explorer aFaceExp(aCopyShape, TopAbs_FACE);
 648     for(; aFaceExp.More(); aFaceExp.Next()) {
 649       aFaceExp.Current().TShape()->Checked(Standard_False);
 650     }
 651     BRepTools::Write(aCopyShape, aStream);
 652   } else {
 653     BRepTools::Write(aShape, aStream);
 654   }
 655   return aStream.str();
 656 }
 657 // LCOV_EXCL_STOP
 658
 659 GeomShapePtr GeomAPI_Shape::intersect(const GeomShapePtr theShape) const
 660 {
 661   const TopoDS_Shape& aShape1 = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 662   const TopoDS_Shape& aShape2 = theShape->impl<TopoDS_Shape>();
 663
 664   BRepAlgoAPI_Section aCommon(aShape1, aShape2);
 665   if (!aCommon.IsDone())
 666     return GeomShapePtr();
 667
 668   TopoDS_Shape aResult = aCommon.Shape();
 669   if (aResult.ShapeType() == TopAbs_COMPOUND) {
 670     NCollection_List<TopoDS_Shape> aSubs;
 671     addSimpleToList(aResult, aSubs);
 672     if(aSubs.Size() == 1) {
 673       aResult = aSubs.First();
 674     } else if(aSubs.Size() == 0) {
 675       return GeomShapePtr();
 676     }
 677   }
 678
 679   GeomShapePtr aResShape(new GeomAPI_Shape);
 680   aResShape->setImpl(new TopoDS_Shape(aResult));
 681   return aResShape;
 682 }
 683
 684 bool GeomAPI_Shape::isIntersect(const GeomShapePtr theShape) const
 685 {
 686   if(!theShape.get()) {
 687     return false;
 688   }
 689
 690   const TopoDS_Shape& aShape1 = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 691   const TopoDS_Shape& aShape2 = theShape->impl<TopoDS_Shape>();
 692
 693   BRepExtrema_DistShapeShape aDist(aShape1, aShape2);
 694   aDist.Perform();
 695   if(aDist.IsDone() && aDist.Value() < Precision::Confusion()) {
 696     return true;
 697   }
 698
 699   return false;
 700 }
 701
 702 void GeomAPI_Shape::translate(const std::shared_ptr<GeomAPI_Dir> theDir, const double theOffset)
 703 {
 704   gp_Dir aDir = theDir->impl<gp_Dir>();
 705   gp_Vec aTrsfVec(aDir.XYZ() * theOffset);
 706   gp_Trsf aTranslation;
 707   aTranslation.SetTranslation(aTrsfVec);
 708   TopoDS_Shape aResult = MY_SHAPE->Moved(aTranslation);
 709   setImpl(new TopoDS_Shape(aResult));
 710 }
 711
 712 void GeomAPI_Shape::move(const std::shared_ptr<GeomAPI_Trsf> theTransformation)
 713 {
 714   TopoDS_Shape aResult = MY_SHAPE->Moved(theTransformation->impl<gp_Trsf>());
 715   setImpl(new TopoDS_Shape(aResult));
 716 }
 717
 718 bool GeomAPI_Shape::isSelfIntersected(const int theLevelOfCheck) const
 719 {
 720   BOPAlgo_CheckerSI aCSI;  // checker of self-interferences
 721   aCSI.SetLevelOfCheck(theLevelOfCheck);
 722   TopTools_ListOfShape aList;
 723   const TopoDS_Shape& aThisShape = const_cast<GeomAPI_Shape*>(this)->impl<TopoDS_Shape>();
 724   aList.Append(aThisShape);
 725   aCSI.SetArguments(aList);
 726   aCSI.Perform();
 727   if (aCSI.HasErrors() || aCSI.DS().Interferences().Extent() > 0) {
 728     return true;
 729   }
 730
 731   return false;
 732 }
 733
 734 bool GeomAPI_Shape::Comparator::operator()(const std::shared_ptr<GeomAPI_Shape>& theShape1,
 735                                            const std::shared_ptr<GeomAPI_Shape>& theShape2) const
 736 {
 737   const TopoDS_Shape& aShape1 = theShape1->impl<TopoDS_Shape>();
 738   const TopoDS_Shape& aShape2 = theShape2->impl<TopoDS_Shape>();
 739   bool isLess = aShape1.TShape() < aShape2.TShape();
 740   if (aShape1.TShape() == aShape2.TShape()) {
 741     Standard_Integer aHash1 = aShape1.Location().HashCode(IntegerLast());
 742     Standard_Integer aHash2 = aShape2.Location().HashCode(IntegerLast());
 743     isLess = aHash1 < aHash2;
 744   }
 745   return isLess;
 746 }
 747
 748 bool GeomAPI_Shape::ComparatorWithOri::operator()(
 749     const std::shared_ptr<GeomAPI_Shape>& theShape1,
 750     const std::shared_ptr<GeomAPI_Shape>& theShape2) const
 751 {
 752   const TopoDS_Shape& aShape1 = theShape1->impl<TopoDS_Shape>();
 753   const TopoDS_Shape& aShape2 = theShape2->impl<TopoDS_Shape>();
 754   bool isLess = aShape1.TShape() < aShape2.TShape();
 755   if (aShape1.TShape() == aShape2.TShape()) {
 756     Standard_Integer aHash1 = aShape1.Location().HashCode(IntegerLast());
 757     Standard_Integer aHash2 = aShape2.Location().HashCode(IntegerLast());
 758     isLess = (aHash1 < aHash2) ||
 759              (aHash1 == aHash2 && aShape1.Orientation() < aShape2.Orientation());
 760   }
 761   return isLess;
 762 }
 763
 764 int GeomAPI_Shape::Hash::operator()(const std::shared_ptr<GeomAPI_Shape>& theShape) const
 765 {
 766   const TopoDS_Shape& aShape = theShape->impl<TopoDS_Shape>();
 767   return aShape.HashCode(IntegerLast());
 768 }
 769
 770 bool GeomAPI_Shape::Equal::operator()(const std::shared_ptr<GeomAPI_Shape>& theShape1,
 771                                       const std::shared_ptr<GeomAPI_Shape>& theShape2) const
 772 {
 773   const TopoDS_Shape& aShape1 = theShape1->impl<TopoDS_Shape>();
 774   const TopoDS_Shape& aShape2 = theShape2->impl<TopoDS_Shape>();
 775
 776   Standard_Integer aHash1 = aShape1.Location().HashCode(IntegerLast());
 777   Standard_Integer aHash2 = aShape2.Location().HashCode(IntegerLast());
 778
 779   return aShape1.TShape() == aShape2.TShape() && aHash1 == aHash2;
 780 }