src/Model/Model_BodyBuilder.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        Model_ResultBody.cpp
   4 // Created:     08 Jul 2014
   5 // Author:      Mikhail PONIKAROV
   6
   7 #include <Model_BodyBuilder.h>
   8
   9 #include <Model_Data.h>
  10 #include <Model_Document.h>
  11 #include <ModelAPI_AttributeIntArray.h>
  12 #include <TNaming_Builder.hxx>
  13 #include <TNaming_NamedShape.hxx>
  14 #include <TNaming_Iterator.hxx>
  15 #include <TDataStd_Name.hxx>
  16 #include <TDataStd_Integer.hxx>
  17 #include <TopoDS.hxx>
  18 #include <TopoDS_Face.hxx>
  19 #include <TDF_ChildIterator.hxx>
  20 #include <TopTools_MapOfShape.hxx>
  21 #include <TopExp_Explorer.hxx>
  22 #include <TopTools_ListOfShape.hxx>
  23 #include <TopTools_ListIteratorOfListOfShape.hxx>
  24 #include <TopTools_DataMapOfShapeListOfShape.hxx>
  25 #include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx>
  26 #include <TopTools_DataMapIteratorOfDataMapOfShapeShape.hxx>
  27 #include <TopTools_MapIteratorOfMapOfShape.hxx>
  28 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
  29 #include <TopTools_IndexedMapOfShape.hxx>
  30 #include <TopTools_DataMapOfShapeShape.hxx>
  31 #include <TopExp.hxx>
  32 #include <BRepTools.hxx>
  33 #include <BRep_Tool.hxx>
  34 #include <GeomAPI_Shape.h>
  35 #include <GeomAlgoAPI_MakeShape.h>
  36 #include <Config_PropManager.h>
  37 // DEB
  38 //#include <TCollection_AsciiString.hxx>
  39 //#include <TDF_Tool.hxx>
  40 //#define DEB_IMPORT 1
  41
  42 Model_BodyBuilder::Model_BodyBuilder(ModelAPI_Object* theOwner)
  43 : ModelAPI_BodyBuilder(theOwner)
  44 {
  45 }
  46
  47 // Converts evolution of naming shape to selection evelution and back to avoid
  48 // naming support on the disabled results. Deeply in the labels tree, recursively.
  49 static void evolutionToSelectionRec(TDF_Label theLab, const bool theFlag) {
  50   std::list<std::pair<TopoDS_Shape, TopoDS_Shape> > aShapePairs; // to store old and new shapes
  51   Handle(TNaming_NamedShape) aName;
  52   int anEvolution = -1;
  53   if (theLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
  54     TNaming_Evolution aNSEvol = aName->Evolution();
  55     if ((aNSEvol == TNaming_SELECTED && theFlag) ||
  56         (aNSEvol != TNaming_SELECTED && !theFlag)) { // nothing to do, it is already correct
  57       return;
  58     }
  59     anEvolution = (int)(aNSEvol);
  60     if (!theFlag) {
  61       Handle(TDataStd_Integer) anAttrEvol;
  62       if (theLab.FindAttribute(TDataStd_Integer::GetID(), anAttrEvol)) {
  63         anEvolution = anAttrEvol->Get();
  64       }
  65     } else {
  66       TDataStd_Integer::Set(theLab, anEvolution);
  67     }
  68
  69     for(TNaming_Iterator anIter(aName); anIter.More(); anIter.Next()) {
  70       aShapePairs.push_back(std::pair<TopoDS_Shape, TopoDS_Shape>
  71         (anIter.OldShape(), anIter.NewShape()));
  72     }
  73   }
  74   // create new
  75   TNaming_Builder aBuilder(theLab);
  76   TNaming_Evolution anEvol = (TNaming_Evolution)(anEvolution);
  77   std::list<std::pair<TopoDS_Shape, TopoDS_Shape> >::iterator aPairsIter = aShapePairs.begin();
  78   for(; aPairsIter != aShapePairs.end(); aPairsIter++) {
  79     if (theFlag) { // disabled => make selection
  80       aBuilder.Select(aPairsIter->first, aPairsIter->second);
  81     } else if (anEvol == TNaming_GENERATED) {
  82       aBuilder.Generated(aPairsIter->first, aPairsIter->second);
  83     } else if (anEvol == TNaming_MODIFY) {
  84       aBuilder.Modify(aPairsIter->first, aPairsIter->second);
  85     } else if (anEvol == TNaming_DELETE) {
  86       aBuilder.Delete(aPairsIter->first);
  87     } else if (anEvol == TNaming_PRIMITIVE) {
  88       aBuilder.Generated(aPairsIter->second);
  89     } else if (anEvol == TNaming_SELECTED) {
  90       aBuilder.Select(aPairsIter->first, aPairsIter->second);
  91     }
  92   }
  93   // recursive call for all sub-labels
  94   TDF_ChildIterator anIter(theLab, Standard_False);
  95   for(; anIter.More(); anIter.Next()) {
  96     evolutionToSelectionRec(anIter.Value(), theFlag);
  97   }
  98 }
  99
 100 void Model_BodyBuilder::evolutionToSelection(const bool theFlag)
 101 {
 102   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 103   if (!aData) // unknown case
 104     return;
 105   TDF_Label& aShapeLab = aData->shapeLab();
 106   evolutionToSelectionRec(aShapeLab, theFlag);
 107 }
 108
 109 void Model_BodyBuilder::store(const std::shared_ptr<GeomAPI_Shape>& theShape)
 110 {
 111   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 112   if (aData) {
 113     TDF_Label& aShapeLab = aData->shapeLab();
 114     // clean builders
 115     clean();
 116     // store the new shape as primitive
 117     TNaming_Builder aBuilder(aShapeLab);
 118     if (!theShape)
 119       return;  // bad shape
 120     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 121     if (aShape.IsNull())
 122       return;  // null shape inside
 123
 124     aBuilder.Generated(aShape);
 125     // register name
 126     if(!aBuilder.NamedShape()->IsEmpty()) {
 127       Handle(TDataStd_Name) anAttr;
 128       if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
 129         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
 130         if(!aName.empty()) {
 131           std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
 132           aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
 133         }
 134       }
 135     }
 136   }
 137 }
 138
 139 void Model_BodyBuilder::storeGenerated(const std::shared_ptr<GeomAPI_Shape>& theFromShape,
 140   const std::shared_ptr<GeomAPI_Shape>& theToShape)
 141 {
 142   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 143   if (aData) {
 144     TDF_Label& aShapeLab = aData->shapeLab();
 145     // clean builders
 146     clean();
 147     // store the new shape as primitive
 148     TNaming_Builder aBuilder(aShapeLab);
 149     if (!theFromShape || !theToShape)
 150       return;  // bad shape
 151     TopoDS_Shape aShapeBasis = theFromShape->impl<TopoDS_Shape>();
 152     if (aShapeBasis.IsNull())
 153       return;  // null shape inside
 154     TopoDS_Shape aShapeNew = theToShape->impl<TopoDS_Shape>();
 155     if (aShapeNew.IsNull())
 156       return;  // null shape inside
 157     aBuilder.Generated(aShapeBasis, aShapeNew);
 158     // register name
 159     if(!aBuilder.NamedShape()->IsEmpty()) {
 160       Handle(TDataStd_Name) anAttr;
 161       if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
 162         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
 163         if(!aName.empty()) {
 164           std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
 165           aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
 166         }
 167       }
 168     }
 169   }
 170 }
 171
 172 void Model_BodyBuilder::storeModified(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 173   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const int theDecomposeSolidsTag)
 174 {
 175   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 176   if (aData) {
 177     TDF_Label& aShapeLab = aData->shapeLab();
 178     // clean builders
 179     clean();
 180     // store the new shape as primitive
 181     TNaming_Builder aBuilder(aShapeLab);
 182     if (!theOldShape || !theNewShape)
 183       return;  // bad shape
 184     TopoDS_Shape aShapeOld = theOldShape->impl<TopoDS_Shape>();
 185     if (aShapeOld.IsNull())
 186       return;  // null shape inside
 187     TopoDS_Shape aShapeNew = theNewShape->impl<TopoDS_Shape>();
 188     if (aShapeNew.IsNull())
 189       return;  // null shape inside
 190     aBuilder.Modify(aShapeOld, aShapeNew);
 191     if (theDecomposeSolidsTag && aShapeNew.ShapeType() == TopAbs_COMPOUND) { // make sub elements as subs
 192
 193       // register name if it is possible
 194       TCollection_AsciiString aName;
 195       if(!aBuilder.NamedShape()->IsEmpty()) {
 196         Handle(TDataStd_Name) anAttr;
 197         if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
 198           aName = TCollection_AsciiString(anAttr->Get()).ToCString();
 199         }
 200       }
 201
 202       TopoDS_Iterator aSubIter(aShapeNew);
 203       for(int aTag = theDecomposeSolidsTag; aSubIter.More(); aSubIter.Next()) {
 204         TNaming_Builder aSubBuilder(aShapeLab.FindChild(aTag++));
 205         aSubBuilder.Generated(aSubIter.Value());
 206         if(!aName.IsEmpty()) {
 207           std::string aSolidName =
 208             (aName + "_Solid_" + TCollection_AsciiString(aTag - theDecomposeSolidsTag)).ToCString();
 209           std::shared_ptr<Model_Document> aDoc =
 210             std::dynamic_pointer_cast<Model_Document>(document());
 211           aDoc->addNamingName(aSubBuilder.NamedShape()->Label(), aSolidName);
 212           TDataStd_Name::Set(aSubBuilder.NamedShape()->Label(), aSolidName.c_str());
 213         }
 214       }
 215     }
 216   }
 217 }
 218
 219 void  Model_BodyBuilder::storeWithoutNaming(const std::shared_ptr<GeomAPI_Shape>& theShape)
 220 {
 221   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 222   if (aData) {
 223     clean();
 224     if (!theShape.get())
 225       return; // bad shape
 226     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 227     if (aShape.IsNull())
 228       return;  // null shape inside
 229     TNaming_Builder aBuilder(aData->shapeLab());
 230     aBuilder.Select(aShape, aShape);
 231   }
 232 }
 233
 234 void Model_BodyBuilder::clean()
 235 {
 236   std::vector<TNaming_Builder*>::iterator aBuilder = myBuilders.begin();
 237   for(; aBuilder != myBuilders.end(); aBuilder++)
 238     delete *aBuilder;
 239   myBuilders.clear();
 240 }
 241
 242 Model_BodyBuilder::~Model_BodyBuilder()
 243 {
 244   clean();
 245 }
 246
 247 TNaming_Builder* Model_BodyBuilder::builder(const int theTag)
 248 {
 249   if (myBuilders.size() <= (unsigned int)theTag) {
 250     myBuilders.insert(myBuilders.end(), theTag - myBuilders.size() + 1, NULL);
 251   }
 252   if (!myBuilders[theTag]) {
 253     std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 254     myBuilders[theTag] = new TNaming_Builder(aData->shapeLab().FindChild(theTag));
 255     //TCollection_AsciiString entry;//
 256     //TDF_Tool::Entry(aData->shapeLab().FindChild(theTag), entry);
 257     //cout << "Label = " <<entry.ToCString() <<endl;
 258   }
 259   return myBuilders[theTag];
 260 }
 261
 262 void Model_BodyBuilder::buildName(const int theTag, const std::string& theName)
 263 {
 264   std::string aName = data()->name() + "/" + theName;
 265   std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
 266   aDoc->addNamingName(builder(theTag)->NamedShape()->Label(), aName);
 267   TDataStd_Name::Set(builder(theTag)->NamedShape()->Label(),aName.c_str());
 268 }
 269 void Model_BodyBuilder::generated(
 270   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 271 {
 272   TopoDS_Shape aShape = theNewShape->impl<TopoDS_Shape>();
 273   builder(theTag)->Generated(aShape);
 274   if(!theName.empty())
 275     buildName(theTag, theName);
 276 }
 277
 278 void Model_BodyBuilder::generated(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 279   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 280 {
 281   TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
 282   TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
 283   builder(theTag)->Generated(anOldShape, aNewShape);
 284   if(!theName.empty())
 285     buildName(theTag, theName);
 286 }
 287
 288
 289 void Model_BodyBuilder::modified(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 290   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 291 {
 292   TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
 293   TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
 294   builder(theTag)->Modify(anOldShape, aNewShape);
 295   if(!theName.empty())
 296     buildName(theTag, theName);
 297 }
 298
 299 void Model_BodyBuilder::deleted(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 300   const int theTag)
 301 {
 302   TopoDS_Shape aShape = theOldShape->impl<TopoDS_Shape>();
 303   builder(theTag)->Delete(aShape);
 304 }
 305
 306 void Model_BodyBuilder::loadDeletedShapes (GeomAlgoAPI_MakeShape* theMS,
 307   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 308   const int  theKindOfShape,
 309   const int  theTag)
 310 {
 311   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 312   TopTools_MapOfShape aView;
 313   TopExp_Explorer ShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 314   for (; ShapeExplorer.More(); ShapeExplorer.Next ()) {
 315     const TopoDS_Shape& aRoot = ShapeExplorer.Current ();
 316     if (!aView.Add(aRoot)) continue;
 317     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 318     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 319     if (theMS->isDeleted (aRShape)) {
 320       builder(theTag)->Delete(aRoot);
 321     }
 322   }
 323 }
 324
 325 void Model_BodyBuilder::loadAndOrientModifiedShapes (
 326   GeomAlgoAPI_MakeShape* theMS,
 327   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 328   const int  theKindOfShape,
 329   const int  theTag,
 330   const std::string& theName,
 331   GeomAPI_DataMapOfShapeShape& theSubShapes)
 332 {
 333   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 334   TopTools_MapOfShape aView;
 335   bool isBuilt = theName.empty();
 336   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 337   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
 338     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
 339     if (!aView.Add(aRoot)) continue;
 340     ListOfShape aList;
 341     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 342     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 343     theMS->modified(aRShape, aList);
 344     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator anIt = aList.begin(), aLast = aList.end();
 345     for (; anIt != aLast; anIt++) {
 346       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 347       if (theSubShapes.isBound(*anIt)) {
 348         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
 349         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
 350       }
 351       if (!aRoot.IsSame (aNewShape)) {
 352         builder(theTag)->Modify(aRoot,aNewShape);
 353         if(!isBuilt)
 354           buildName(theTag, theName);
 355       }
 356     }
 357   }
 358 }
 359
 360 void Model_BodyBuilder::loadAndOrientGeneratedShapes (
 361   GeomAlgoAPI_MakeShape* theMS,
 362   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 363   const int  theKindOfShape,
 364   const int  theTag,
 365   const std::string& theName,
 366   GeomAPI_DataMapOfShapeShape& theSubShapes)
 367 {
 368   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 369   TopTools_MapOfShape aView;
 370   bool isBuilt = theName.empty();
 371   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 372   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
 373     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
 374     if (!aView.Add(aRoot)) continue;
 375     ListOfShape aList;
 376     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 377     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 378     theMS->generated(aRShape, aList);
 379     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator anIt = aList.begin(), aLast = aList.end();
 380     for (; anIt != aLast; anIt++) {
 381       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 382       if (theSubShapes.isBound(*anIt)) {
 383         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
 384         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
 385       }
 386       if (!aRoot.IsSame (aNewShape)) {
 387         builder(theTag)->Generated(aRoot,aNewShape);
 388         if(!isBuilt)
 389           buildName(theTag, theName);
 390       }
 391     }
 392   }
 393 }
 394
 395 //=======================================================================
 396 int getDangleShapes(const TopoDS_Shape&           theShapeIn,
 397   const TopAbs_ShapeEnum        theGeneratedFrom,
 398   TopTools_DataMapOfShapeShape& theDangles)
 399 {
 400   theDangles.Clear();
 401   TopTools_IndexedDataMapOfShapeListOfShape subShapeAndAncestors;
 402   TopAbs_ShapeEnum GeneratedTo;
 403   if (theGeneratedFrom == TopAbs_FACE) GeneratedTo = TopAbs_EDGE;
 404   else if (theGeneratedFrom == TopAbs_EDGE) GeneratedTo = TopAbs_VERTEX;
 405   else return Standard_False;
 406   TopExp::MapShapesAndAncestors(theShapeIn, GeneratedTo, theGeneratedFrom, subShapeAndAncestors);
 407   for (Standard_Integer i = 1; i <= subShapeAndAncestors.Extent(); i++) {
 408     const TopoDS_Shape& mayBeDangle = subShapeAndAncestors.FindKey(i);
 409     const TopTools_ListOfShape& ancestors = subShapeAndAncestors.FindFromIndex(i);
 410     if (ancestors.Extent() == 1) theDangles.Bind(ancestors.First(), mayBeDangle);
 411   }
 412   return theDangles.Extent();
 413 }
 414
 415 //=======================================================================
 416 void loadGeneratedDangleShapes(
 417   const TopoDS_Shape&      theShapeIn,
 418   const TopAbs_ShapeEnum   theGeneratedFrom,
 419   TNaming_Builder *        theBuilder)
 420 {
 421   TopTools_DataMapOfShapeShape dangles;
 422   if (!getDangleShapes(theShapeIn, theGeneratedFrom, dangles)) return;
 423   TopTools_DataMapIteratorOfDataMapOfShapeShape itr(dangles);
 424   for (; itr.More(); itr.Next())
 425     theBuilder->Generated(itr.Key(), itr.Value());
 426 }
 427
 428 //=======================================================================
 429 void Model_BodyBuilder::loadNextLevels(std::shared_ptr<GeomAPI_Shape> theShape,
 430   const std::string& theName, int&  theTag)
 431 {
 432   if(theShape->isNull()) return;
 433   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 434   std::string aName;
 435   if (aShape.ShapeType() == TopAbs_SOLID) {
 436     TopExp_Explorer expl(aShape, TopAbs_FACE);
 437     for (; expl.More(); expl.Next()) {
 438       builder(theTag)->Generated(expl.Current());
 439       TCollection_AsciiString aStr(theTag);
 440       aName = theName + aStr.ToCString();
 441       buildName(theTag, aName);
 442       theTag++;
 443     }
 444   }
 445   else if (aShape.ShapeType() == TopAbs_SHELL || aShape.ShapeType() == TopAbs_FACE) {
 446     // load faces and all the free edges
 447     TopTools_IndexedMapOfShape Faces;
 448     TopExp::MapShapes(aShape, TopAbs_FACE, Faces);
 449     if (Faces.Extent() > 1 || (aShape.ShapeType() == TopAbs_SHELL && Faces.Extent() == 1)) {
 450       TopExp_Explorer expl(aShape, TopAbs_FACE);
 451       for (; expl.More(); expl.Next()) {
 452         builder(theTag)->Generated(expl.Current());
 453         TCollection_AsciiString aStr(theTag);
 454         aName = theName + aStr.ToCString();
 455         buildName(theTag, aName);
 456         theTag++;
 457       }
 458     }
 459     TopTools_IndexedDataMapOfShapeListOfShape anEdgeAndNeighbourFaces;
 460     TopExp::MapShapesAndAncestors(aShape, TopAbs_EDGE, TopAbs_FACE, anEdgeAndNeighbourFaces);
 461     for (Standard_Integer i = 1; i <= anEdgeAndNeighbourFaces.Extent(); i++)
 462     {
 463       const TopTools_ListOfShape& aLL = anEdgeAndNeighbourFaces.FindFromIndex(i);
 464       if (aLL.Extent() < 2) {
 465         if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeAndNeighbourFaces.FindKey(i))))
 466           continue;
 467         builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
 468         TCollection_AsciiString aStr(theTag);
 469         aName = theName + aStr.ToCString();
 470         buildName(theTag, aName);
 471         theTag++;
 472       } else {
 473         TopTools_ListIteratorOfListOfShape anIter(aLL);
 474         const TopoDS_Face& aFace = TopoDS::Face(anIter.Value());
 475         anIter.Next();
 476         if(aFace.IsEqual(anIter.Value())) {
 477           builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
 478           TCollection_AsciiString aStr(theTag);
 479           aName = theName + aStr.ToCString();
 480           buildName(theTag, aName);
 481           theTag++;
 482         }
 483       }
 484     }
 485   } else if (aShape.ShapeType() == TopAbs_WIRE) {
 486     TopTools_IndexedMapOfShape Edges;
 487     BRepTools::Map3DEdges(aShape, Edges);
 488     if (Edges.Extent() == 1) {
 489       builder(++theTag)->Generated(Edges.FindKey(1));
 490       TopExp_Explorer expl(aShape, TopAbs_VERTEX);
 491       for (; expl.More(); expl.Next()) {
 492         builder(theTag)->Generated(expl.Current());
 493         TCollection_AsciiString aStr(theTag);
 494         aName = theName + aStr.ToCString();
 495         buildName(theTag, aName);
 496         theTag++;
 497       }
 498     } else {
 499       TopExp_Explorer expl(aShape, TopAbs_EDGE);
 500       for (; expl.More(); expl.Next()) {
 501         builder(theTag)->Generated(expl.Current());
 502         TCollection_AsciiString aStr(theTag);
 503         aName = theName + aStr.ToCString();
 504         buildName(theTag, aName);
 505         theTag++;
 506       }
 507       // and load generated vertices.
 508       TopTools_DataMapOfShapeShape generated;
 509       if (getDangleShapes(aShape, TopAbs_EDGE, generated))
 510       {
 511         TNaming_Builder* pBuilder = builder(theTag++);
 512         loadGeneratedDangleShapes(aShape, TopAbs_EDGE, pBuilder);
 513       }
 514     }
 515   } else if (aShape.ShapeType() == TopAbs_EDGE) {
 516     TopExp_Explorer expl(aShape, TopAbs_VERTEX);
 517     for (; expl.More(); expl.Next()) {
 518       builder(theTag)->Generated(expl.Current());
 519       TCollection_AsciiString aStr(theTag);
 520       aName = theName + aStr.ToCString();
 521       buildName(theTag, aName);
 522       theTag++;
 523     }
 524   }
 525 }
 526
 527 //=======================================================================
 528 int findAmbiguities(const TopoDS_Shape&           theShapeIn,
 529   TopTools_ListOfShape&   theList)
 530 {
 531   int aNumEdges(0);
 532   theList.Clear();
 533   TopTools_IndexedDataMapOfShapeListOfShape subShapeAndAncestors;
 534   TopAbs_ShapeEnum aTS(TopAbs_EDGE);
 535   TopAbs_ShapeEnum aTA(TopAbs_FACE);
 536   TopTools_MapOfShape aMap1, aMap2; // map1 - for edge ancestors; map2 - for keys => edges
 537   TopTools_ListOfShape aKeyList;
 538   TopExp::MapShapesAndAncestors(theShapeIn, aTS, aTA, subShapeAndAncestors);
 539   for (Standard_Integer i = 1; i <= subShapeAndAncestors.Extent(); i++) {
 540     const TopoDS_Shape& aKeyEdge1 = subShapeAndAncestors.FindKey(i);
 541     const TopTools_ListOfShape& ancestors1 = subShapeAndAncestors.FindFromIndex(i);
 542     aMap1.Clear();
 543     TopTools_ListIteratorOfListOfShape it(ancestors1);
 544     for(;it.More();it.Next()) aMap1.Add(it.Value()); // fill map with key ancestors => aKey1
 545     for (Standard_Integer j = 1; j <= subShapeAndAncestors.Extent(); j++) {
 546       if (i == j) continue;
 547       const TopoDS_Shape& aKeyEdge2 = subShapeAndAncestors.FindKey(j);
 548       const TopTools_ListOfShape& ancestors2 = subShapeAndAncestors.FindFromIndex(j);
 549       if(ancestors1.Extent() == ancestors2.Extent() && ancestors1.Extent() > 1) {
 550         int aNum (ancestors2.Extent());
 551         TopTools_ListIteratorOfListOfShape it(ancestors2);
 552         for(;it.More();it.Next())
 553           if(aMap1.Contains(it.Value())) aNum--;
 554         if(aNum == 0) {
 555           if(aMap2.Add(aKeyEdge1))
 556             aKeyList.Append(aKeyEdge1);
 557           if(aMap2.Add(aKeyEdge2))
 558             aKeyList.Append(aKeyEdge2);
 559         }
 560       }
 561     } // at the end ==> List of edges to be named in addition
 562   }
 563   aNumEdges = aKeyList.Extent();
 564   if(aNumEdges)
 565     theList.Assign(aKeyList);
 566   return aNumEdges;
 567 }
 568
 569 //=======================================================================
 570 void Model_BodyBuilder::loadFirstLevel(
 571   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
 572 {
 573   if(theShape->isNull()) return;
 574   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 575   std::string aName;
 576   if (aShape.ShapeType() == TopAbs_COMPOUND || aShape.ShapeType() == TopAbs_COMPSOLID) {
 577     TopoDS_Iterator itr(aShape);
 578     for (; itr.More(); itr.Next(),theTag++) {
 579       builder(theTag)->Generated(itr.Value());
 580       TCollection_AsciiString aStr(theTag);
 581       aName = theName + aStr.ToCString();
 582       buildName(theTag, aName);
 583       if(!theName.empty()) buildName(theTag, aName);
 584       if (itr.Value().ShapeType() == TopAbs_COMPOUND ||
 585         itr.Value().ShapeType() == TopAbs_COMPSOLID)
 586       {
 587         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 588         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
 589         loadFirstLevel(itrShape, theName, theTag);
 590       } else {
 591         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 592         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
 593         loadNextLevels(itrShape, theName, theTag);
 594       }
 595     }
 596   } else {
 597     std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 598     itrShape->setImpl(new TopoDS_Shape(aShape));
 599     loadNextLevels(itrShape, theName, theTag);
 600   }
 601   TopTools_ListOfShape   aList;
 602   if(findAmbiguities(aShape, aList)) {
 603     TopTools_ListIteratorOfListOfShape it(aList);
 604     for (; it.More(); it.Next(),theTag++) {
 605       builder(theTag)->Generated(it.Value());
 606       TCollection_AsciiString aStr(theTag);
 607       aName = theName + aStr.ToCString();
 608       buildName(theTag, aName);
 609     }
 610   }
 611 }
 612
 613 //=======================================================================
 614 void Model_BodyBuilder::loadDisconnectedEdges(
 615   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
 616 {
 617   if(theShape->isNull()) return;
 618   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 619   TopTools_DataMapOfShapeListOfShape edgeNaborFaces;
 620   TopTools_ListOfShape empty;
 621   TopExp_Explorer explF(aShape, TopAbs_FACE);
 622   for (; explF.More(); explF.Next()) {
 623     const TopoDS_Shape& aFace = explF.Current();
 624     TopExp_Explorer explV(aFace, TopAbs_EDGE);
 625     for (; explV.More(); explV.Next()) {
 626       const TopoDS_Shape& anEdge = explV.Current();
 627       if (!edgeNaborFaces.IsBound(anEdge)) edgeNaborFaces.Bind(anEdge, empty);
 628       Standard_Boolean faceIsNew = Standard_True;
 629       TopTools_ListIteratorOfListOfShape itrF(edgeNaborFaces.Find(anEdge));
 630       for (; itrF.More(); itrF.Next()) {
 631         if (itrF.Value().IsSame(aFace)) {
 632           faceIsNew = Standard_False;
 633           break;
 634         }
 635       }
 636       if (faceIsNew)
 637         edgeNaborFaces.ChangeFind(anEdge).Append(aFace);
 638     }
 639   }
 640
 641   /*  TopTools_IndexedDataMapOfShapeListOfShape aDM;
 642   TopExp::MapShapesAndAncestors(aShape, TopAbs_EDGE, TopAbs_FACE, aDM);
 643   for(int i=1; i <= aDM.Extent(); i++) {
 644   if(aDM.FindFromIndex(i).Extent() > 1) continue;
 645   if (BRep_Tool::Degenerated(TopoDS::Edge(aDM.FindKey(i))))
 646   continue;
 647   builder(theTag)->Generated(aDM.FindKey(i));
 648   TCollection_AsciiString aStr(theTag);
 649   std::string aName = theName + aStr.ToCString();
 650   buildName(theTag, aName);
 651   #ifdef DEB_IMPORT
 652   aName +=  + ".brep";
 653   BRepTools::Write(aDM.FindKey(i), aName.c_str());
 654   #endif
 655   theTag++;
 656   }
 657   */
 658   TopTools_MapOfShape anEdgesToDelete;
 659   TopExp_Explorer anEx(aShape,TopAbs_EDGE);
 660   std::string aName;
 661   for(;anEx.More();anEx.Next()) {
 662     Standard_Boolean aC0 = Standard_False;
 663     TopoDS_Shape anEdge1 = anEx.Current();
 664     if (edgeNaborFaces.IsBound(anEdge1)) {
 665       const TopTools_ListOfShape& aList1 = edgeNaborFaces.Find(anEdge1);
 666       if (aList1.Extent()<2) continue;
 667       TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(edgeNaborFaces);
 668       for (; itr.More(); itr.Next()) {
 669         TopoDS_Shape anEdge2 = itr.Key();
 670         if(anEdgesToDelete.Contains(anEdge2)) continue;
 671         if (anEdge1.IsSame(anEdge2)) continue;
 672         const TopTools_ListOfShape& aList2 = itr.Value();
 673         // compare lists of the neighbour faces of edge1 and edge2
 674         if (aList1.Extent() == aList2.Extent()) {
 675           Standard_Integer aMatches = 0;
 676           for(TopTools_ListIteratorOfListOfShape aLIter1(aList1);aLIter1.More();aLIter1.Next())
 677             for(TopTools_ListIteratorOfListOfShape aLIter2(aList2);aLIter2.More();aLIter2.Next())
 678               if (aLIter1.Value().IsSame(aLIter2.Value())) aMatches++;
 679           if (aMatches == aList1.Extent()) {
 680             aC0=Standard_True;
 681             builder(theTag)->Generated(anEdge2);
 682             anEdgesToDelete.Add(anEdge2);
 683             TCollection_AsciiString aStr(theTag);
 684             aName = theName + aStr.ToCString();
 685             buildName(theTag, aName);
 686             theTag++;
 687           }
 688         }
 689       }
 690       TopTools_MapIteratorOfMapOfShape itDelete(anEdgesToDelete);
 691       for(;itDelete.More();itDelete.Next())
 692         edgeNaborFaces.UnBind(itDelete.Key());
 693       edgeNaborFaces.UnBind(anEdge1);
 694     }
 695     if (aC0) {
 696       builder(theTag)->Generated(anEdge1);
 697       TCollection_AsciiString aStr(theTag);
 698       aName = theName + aStr.ToCString();
 699       buildName(theTag, aName);
 700       theTag++;
 701     }
 702   }
 703 }
 704
 705 void Model_BodyBuilder::loadDisconnectedVertexes(std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
 706 {
 707   if(theShape->isNull()) return;
 708   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 709   TopTools_DataMapOfShapeListOfShape vertexNaborEdges;
 710   TopTools_ListOfShape empty;
 711   TopExp_Explorer explF(aShape, TopAbs_EDGE);
 712   for (; explF.More(); explF.Next()) {
 713     const TopoDS_Shape& anEdge = explF.Current();
 714     TopExp_Explorer explV(anEdge, TopAbs_VERTEX);
 715     for (; explV.More(); explV.Next()) {
 716       const TopoDS_Shape& aVertex = explV.Current();
 717       if (!vertexNaborEdges.IsBound(aVertex)) vertexNaborEdges.Bind(aVertex, empty);
 718       Standard_Boolean faceIsNew = Standard_True;
 719       TopTools_ListIteratorOfListOfShape itrF(vertexNaborEdges.Find(aVertex));
 720       for (; itrF.More(); itrF.Next()) {
 721         if (itrF.Value().IsSame(anEdge)) {
 722           faceIsNew = Standard_False;
 723           break;
 724         }
 725       }
 726       if (faceIsNew) {
 727         vertexNaborEdges.ChangeFind(aVertex).Append(anEdge);
 728       }
 729     }
 730   }
 731   std::string aName;
 732   TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(vertexNaborEdges);
 733   for (; itr.More(); itr.Next()) {
 734     const TopTools_ListOfShape& naborEdges = itr.Value();
 735     if (naborEdges.Extent() < 2) {
 736       builder(theTag)->Generated(itr.Key());
 737       TCollection_AsciiString aStr(theTag);
 738       aName = theName + aStr.ToCString();
 739       buildName(theTag, aName);
 740       theTag++;
 741     }
 742   }
 743 }
 744
 745 std::shared_ptr<GeomAPI_Shape> Model_BodyBuilder::shape()
 746 {
 747   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 748   if (aData) {
 749     TDF_Label& aShapeLab = aData->shapeLab();
 750     Handle(TNaming_NamedShape) aName;
 751     if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
 752       TopoDS_Shape aShape = aName->Get();
 753       if (!aShape.IsNull()) {
 754         std::shared_ptr<GeomAPI_Shape> aRes(new GeomAPI_Shape);
 755         aRes->setImpl(new TopoDS_Shape(aShape));
 756         return aRes;
 757       }
 758     }
 759   }
 760   return std::shared_ptr<GeomAPI_Shape>();
 761 }