src/Model/Model_BodyBuilder.cpp

   1 // Copyright (C) 2014-2017  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
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include <Model_BodyBuilder.h>
  22
  23 #include <Model_Data.h>
  24 #include <Model_Document.h>
  25 #include <TNaming_Builder.hxx>
  26 #include <TNaming_NamedShape.hxx>
  27 #include <TNaming_Iterator.hxx>
  28 #include <TNaming_Tool.hxx>
  29 #include <TDataStd_Name.hxx>
  30 #include <TDataStd_Integer.hxx>
  31 #include <TopoDS.hxx>
  32 #include <TopoDS_Face.hxx>
  33 #include <TDF_ChildIterator.hxx>
  34 #include <TDF_ChildIDIterator.hxx>
  35 #include <TDF_Reference.hxx>
  36 #include <TopTools_MapOfShape.hxx>
  37 #include <TopExp_Explorer.hxx>
  38 #include <TopTools_ListOfShape.hxx>
  39 #include <TopTools_ListIteratorOfListOfShape.hxx>
  40 #include <TopTools_DataMapOfShapeListOfShape.hxx>
  41 #include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx>
  42 #include <TopTools_DataMapIteratorOfDataMapOfShapeShape.hxx>
  43 #include <TopTools_MapIteratorOfMapOfShape.hxx>
  44 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
  45 #include <TopTools_IndexedMapOfShape.hxx>
  46 #include <TopTools_DataMapOfShapeShape.hxx>
  47 #include <TopExp.hxx>
  48 #include <BRepTools.hxx>
  49 #include <BRep_Tool.hxx>
  50 #include <GeomAPI_Shape.h>
  51 #include <GeomAlgoAPI_MakeShape.h>
  52 #include <GeomAlgoAPI_SortListOfShapes.h>
  53 #include <Config_PropManager.h>
  54 // DEB
  55 //#include <TCollection_AsciiString.hxx>
  56 //#include <TDF_Tool.hxx>
  57 //#define DEB_IMPORT 1
  58
  59 Model_BodyBuilder::Model_BodyBuilder(ModelAPI_Object* theOwner)
  60 : ModelAPI_BodyBuilder(theOwner)
  61 {
  62 }
  63
  64 // Converts evolution of naming shape to selection evelution and back to avoid
  65 // naming support on the disabled results. Deeply in the labels tree, recursively.
  66 static void evolutionToSelectionRec(TDF_Label theLab, const bool theFlag) {
  67   std::list<std::pair<TopoDS_Shape, TopoDS_Shape> > aShapePairs; // to store old and new shapes
  68   Handle(TNaming_NamedShape) aName;
  69   int anEvolution = -1;
  70   if (theLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
  71     TNaming_Evolution aNSEvol = aName->Evolution();
  72     if ((aNSEvol == TNaming_SELECTED && theFlag) ||
  73         (aNSEvol != TNaming_SELECTED && !theFlag)) { // nothing to do, it is already correct
  74       return;
  75     }
  76     anEvolution = (int)(aNSEvol);
  77     if (!theFlag) {
  78       Handle(TDataStd_Integer) anAttrEvol;
  79       if (theLab.FindAttribute(TDataStd_Integer::GetID(), anAttrEvol)) {
  80         anEvolution = anAttrEvol->Get();
  81       }
  82     } else {
  83       TDataStd_Integer::Set(theLab, anEvolution);
  84     }
  85
  86     for(TNaming_Iterator anIter(aName); anIter.More(); anIter.Next()) {
  87       // iterator goes in reversed order relatively to the Builder, to, make the list reversed
  88       aShapePairs.push_front(std::pair<TopoDS_Shape, TopoDS_Shape>
  89         (anIter.OldShape(), anIter.NewShape()));
  90     }
  91
  92     // create new
  93     TNaming_Builder aBuilder(theLab);
  94     TNaming_Evolution anEvol = (TNaming_Evolution)(anEvolution);
  95     std::list<std::pair<TopoDS_Shape, TopoDS_Shape> >::iterator aPairsIter = aShapePairs.begin();
  96     for(; aPairsIter != aShapePairs.end(); aPairsIter++) {
  97       if (theFlag) { // disabled => make selection
  98         if (anEvolution == TNaming_DELETE) // issue 2274 : don't put too many same null shapes
  99           aBuilder.Select(aPairsIter->first, aPairsIter->first);
 100         else if (anEvolution == TNaming_PRIMITIVE)
 101           aBuilder.Select(aPairsIter->second, aPairsIter->second);
 102         else
 103           aBuilder.Select(aPairsIter->second, aPairsIter->first);
 104       } else if (anEvol == TNaming_GENERATED) {
 105         aBuilder.Generated(aPairsIter->first, aPairsIter->second);
 106       } else if (anEvol == TNaming_MODIFY) {
 107         aBuilder.Modify(aPairsIter->first, aPairsIter->second);
 108       } else if (anEvol == TNaming_DELETE) {
 109         aBuilder.Delete(aPairsIter->first);
 110       } else if (anEvol == TNaming_PRIMITIVE) {
 111         aBuilder.Generated(aPairsIter->second);
 112       } else if (anEvol == TNaming_SELECTED) {
 113         aBuilder.Select(aPairsIter->second, aPairsIter->first);
 114       }
 115     }
 116   }
 117   // recursive call for all sub-labels
 118   TDF_ChildIterator anIter(theLab, Standard_False);
 119   for(; anIter.More(); anIter.Next()) {
 120     evolutionToSelectionRec(anIter.Value(), theFlag);
 121   }
 122 }
 123
 124 void Model_BodyBuilder::evolutionToSelection(const bool theFlag)
 125 {
 126   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 127   if (!aData) // unknown case
 128     return;
 129   TDF_Label& aShapeLab = aData->shapeLab();
 130   evolutionToSelectionRec(aShapeLab, theFlag);
 131 }
 132
 133 void Model_BodyBuilder::store(const std::shared_ptr<GeomAPI_Shape>& theShape,
 134                               const bool theIsStoreSameShapes)
 135 {
 136   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 137   if (aData) {
 138     TDF_Label& aShapeLab = aData->shapeLab();
 139     // clean builders
 140     clean();
 141     // store the new shape as primitive
 142     TNaming_Builder aBuilder(aShapeLab);
 143     if (!theShape)
 144       return;  // bad shape
 145     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 146     if (aShape.IsNull())
 147       return;  // null shape inside
 148
 149     if(!theIsStoreSameShapes) {
 150       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aShape, aShapeLab);
 151       if(!aNS.IsNull() && !aNS->IsEmpty()) {
 152         // This shape is already in document, store reference instead of shape;
 153         const TDF_Label aFoundLabel = aNS->Label();
 154         TDF_Reference::Set(aShapeLab, aFoundLabel);
 155         aShapeLab.ForgetAttribute(TNaming_NamedShape::GetID());
 156         return;
 157       }
 158     }
 159
 160     aBuilder.Generated(aShape);
 161     // register name
 162     aShapeLab.ForgetAttribute(TDF_Reference::GetID());
 163     if(!aBuilder.NamedShape()->IsEmpty()) {
 164       Handle(TDataStd_Name) anAttr;
 165       if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
 166         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
 167         if(!aName.empty()) {
 168           std::shared_ptr<Model_Document> aDoc =
 169             std::dynamic_pointer_cast<Model_Document>(document());
 170           aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
 171         }
 172       }
 173     }
 174   }
 175 }
 176
 177 void Model_BodyBuilder::storeGenerated(const std::shared_ptr<GeomAPI_Shape>& theFromShape,
 178   const std::shared_ptr<GeomAPI_Shape>& theToShape)
 179 {
 180   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 181   if (aData) {
 182     TDF_Label& aShapeLab = aData->shapeLab();
 183     // clean builders
 184     clean();
 185     // store the new shape as primitive
 186     TNaming_Builder aBuilder(aShapeLab);
 187     if (!theFromShape || !theToShape)
 188       return;  // bad shape
 189     TopoDS_Shape aShapeBasis = theFromShape->impl<TopoDS_Shape>();
 190     if (aShapeBasis.IsNull())
 191       return;  // null shape inside
 192     TopoDS_Shape aShapeNew = theToShape->impl<TopoDS_Shape>();
 193     if (aShapeNew.IsNull())
 194       return;  // null shape inside
 195     aBuilder.Generated(aShapeBasis, aShapeNew);
 196     // register name
 197     if(!aBuilder.NamedShape()->IsEmpty()) {
 198       Handle(TDataStd_Name) anAttr;
 199       if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
 200         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
 201         if(!aName.empty()) {
 202           std::shared_ptr<Model_Document> aDoc =
 203             std::dynamic_pointer_cast<Model_Document>(document());
 204           aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
 205         }
 206       }
 207     }
 208   }
 209 }
 210
 211 void Model_BodyBuilder::storeModified(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 212   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const int theDecomposeSolidsTag)
 213 {
 214   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 215   if (aData) {
 216     TDF_Label& aShapeLab = aData->shapeLab();
 217     // clean builders
 218     clean();
 219     // store the new shape as primitive
 220     TNaming_Builder aBuilder(aShapeLab);
 221     if (!theOldShape || !theNewShape)
 222       return;  // bad shape
 223     TopoDS_Shape aShapeOld = theOldShape->impl<TopoDS_Shape>();
 224     if (aShapeOld.IsNull())
 225       return;  // null shape inside
 226     TopoDS_Shape aShapeNew = theNewShape->impl<TopoDS_Shape>();
 227     if (aShapeNew.IsNull())
 228       return;  // null shape inside
 229     aBuilder.Modify(aShapeOld, aShapeNew);
 230     if(!aBuilder.NamedShape()->IsEmpty()) {
 231       Handle(TDataStd_Name) anAttr;
 232       if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
 233         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
 234         if(!aName.empty()) {
 235           std::shared_ptr<Model_Document> aDoc =
 236             std::dynamic_pointer_cast<Model_Document>(document());
 237           aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
 238         }
 239       }
 240     }
 241   }
 242 }
 243
 244 void  Model_BodyBuilder::storeWithoutNaming(const std::shared_ptr<GeomAPI_Shape>& theShape)
 245 {
 246   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 247   if (aData) {
 248     clean();
 249     if (!theShape.get())
 250       return; // bad shape
 251     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 252     if (aShape.IsNull())
 253       return;  // null shape inside
 254     TNaming_Builder aBuilder(aData->shapeLab());
 255     aBuilder.Select(aShape, aShape);
 256   }
 257 }
 258
 259 void Model_BodyBuilder::clean()
 260 {
 261   TDF_Label aLab = std::dynamic_pointer_cast<Model_Data>(data())->shapeLab();
 262   if (aLab.IsNull())
 263     return;
 264   std::map<int, TNaming_Builder*>::iterator aBuilder = myBuilders.begin();
 265   for(; aBuilder != myBuilders.end(); aBuilder++) {
 266     delete aBuilder->second;
 267     // clear also shapes on cleaned sub-labels (#2241)
 268     Handle(TNaming_NamedShape) aNS;
 269     if (aLab.FindChild(aBuilder->first).FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
 270       aNS->Clear();
 271     }
 272   }
 273   myBuilders.clear();
 274   // remove the old reference (if any)
 275   aLab.ForgetAttribute(TDF_Reference::GetID());
 276 }
 277
 278 Model_BodyBuilder::~Model_BodyBuilder()
 279 {
 280   clean();
 281 }
 282
 283 TNaming_Builder* Model_BodyBuilder::builder(const int theTag)
 284 {
 285   std::map<int, TNaming_Builder*>::iterator aFind = myBuilders.find(theTag);
 286   if (aFind == myBuilders.end()) {
 287     std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 288     myBuilders[theTag] = new TNaming_Builder(
 289       theTag == 0 ? aData->shapeLab() : aData->shapeLab().FindChild(theTag));
 290     aFind = myBuilders.find(theTag);
 291   }
 292   return aFind->second;
 293 }
 294
 295 void Model_BodyBuilder::buildName(const int theTag, const std::string& theName)
 296 {
 297   std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
 298   //aDoc->addNamingName(builder(theTag)->NamedShape()->Label(), theName);
 299   TDataStd_Name::Set(builder(theTag)->NamedShape()->Label(), theName.c_str());
 300 }
 301 void Model_BodyBuilder::generated(
 302   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 303 {
 304   TopoDS_Shape aShape = theNewShape->impl<TopoDS_Shape>();
 305   builder(theTag)->Generated(aShape);
 306   if(!theName.empty())
 307     buildName(theTag, theName);
 308 }
 309
 310 void Model_BodyBuilder::generated(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 311   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 312 {
 313   TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
 314   TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
 315   builder(theTag)->Generated(anOldShape, aNewShape);
 316   if(!theName.empty())
 317     buildName(theTag, theName);
 318   TopAbs_ShapeEnum aGenShapeType = aNewShape.ShapeType();
 319   if(aGenShapeType == TopAbs_WIRE || aGenShapeType == TopAbs_SHELL) {
 320     TopAbs_ShapeEnum anExplodeShapeType = aGenShapeType == TopAbs_WIRE ? TopAbs_EDGE : TopAbs_FACE;
 321     const TDF_Label aLabel = builder(theTag)->NamedShape()->Label();
 322     int aTag = 1;
 323     std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
 324     for(TopExp_Explorer anExp(aNewShape, anExplodeShapeType); anExp.More(); anExp.Next()) {
 325       TDF_Label aChildLabel = aLabel.FindChild(aTag);
 326       TNaming_Builder aBuilder(aChildLabel);
 327       aBuilder.Generated(anOldShape, anExp.Current());
 328       TCollection_AsciiString aChildName = TCollection_AsciiString((theName + "_").c_str()) + aTag;
 329       //aDoc->addNamingName(aChildLabel, aChildName.ToCString());
 330       TDataStd_Name::Set(aChildLabel, aChildName.ToCString());
 331       aTag++;
 332     }
 333   }
 334 }
 335
 336
 337 void Model_BodyBuilder::modified(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 338   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 339 {
 340   TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
 341   TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
 342   builder(theTag)->Modify(anOldShape, aNewShape);
 343   if(!theName.empty())
 344     buildName(theTag, theName);
 345 }
 346
 347 void Model_BodyBuilder::deleted(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 348   const int theTag)
 349 {
 350   TopoDS_Shape aShape = theOldShape->impl<TopoDS_Shape>();
 351   builder(theTag)->Delete(aShape);
 352 }
 353
 354 void Model_BodyBuilder::loadDeletedShapes (GeomAlgoAPI_MakeShape* theMS,
 355   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 356   const int  theKindOfShape,
 357   const int  theTag)
 358 {
 359   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 360   TopTools_MapOfShape aView;
 361   TopExp_Explorer ShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 362   for (; ShapeExplorer.More(); ShapeExplorer.Next ()) {
 363     const TopoDS_Shape& aRoot = ShapeExplorer.Current ();
 364     if (!aView.Add(aRoot)) continue;
 365     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 366     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 367     if (theMS->isDeleted (aRShape)) {
 368       builder(theTag)->Delete(aRoot);
 369     }
 370   }
 371 }
 372
 373 // Keep only the shapes with minimal shape type
 374 static void keepTopLevelShapes(ListOfShape& theShapes, const TopoDS_Shape& theRoot,
 375   const GeomShapePtr& theResultShape = GeomShapePtr())
 376 {
 377   GeomAPI_Shape::ShapeType aKeepShapeType = GeomAPI_Shape::SHAPE;
 378   ListOfShape::iterator anIt = theShapes.begin();
 379   while (anIt != theShapes.end()) {
 380     TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 381     if (theRoot.IsSame(aNewShape) || (theResultShape &&
 382         (!theResultShape->isSubShape(*anIt, false) || theResultShape->isSame(*anIt)))) {
 383       ListOfShape::iterator aRemoveIt = anIt++;
 384       theShapes.erase(aRemoveIt);
 385     } else {
 386       GeomAPI_Shape::ShapeType aType = (*anIt)->shapeType();
 387       if (aType < aKeepShapeType) {
 388         // found a shape with lesser shape type => remove all previous shapes
 389         aKeepShapeType = aType;
 390         theShapes.erase(theShapes.begin(), anIt);
 391         ++anIt;
 392       } else if (aType > aKeepShapeType) {
 393         // shapes with greater shape type should be removed from the list
 394         ListOfShape::iterator aRemoveIt = anIt++;
 395         theShapes.erase(aRemoveIt);
 396       } else
 397         ++anIt;
 398     }
 399   }
 400 }
 401
 402 // returns an ancestor shape-type thaty used for naming-definition of the sub-type
 403 TopAbs_ShapeEnum typeOfAncestor(const TopAbs_ShapeEnum theSubType) {
 404   if (theSubType == TopAbs_VERTEX)
 405     return TopAbs_EDGE;
 406   if (theSubType == TopAbs_EDGE)
 407     return TopAbs_FACE;
 408   return TopAbs_VERTEX; // bad case
 409 }
 410
 411 void Model_BodyBuilder::loadAndOrientModifiedShapes (
 412   GeomAlgoAPI_MakeShape* theMS,
 413   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 414   const int  theKindOfShape,
 415   const int  theTag,
 416   const std::string& theName,
 417   GeomAPI_DataMapOfShapeShape& theSubShapes,
 418   const bool theIsStoreSeparate,
 419   const bool theIsStoreAsGenerated)
 420 {
 421   int anIndex = 1;
 422   int aTag = theTag;
 423   bool isBuilt = !theName.empty();
 424   std::string aName = theName;
 425   std::ostringstream aStream;
 426   GeomShapePtr aResultShape = shape();
 427   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 428   TopTools_MapOfShape aView;
 429   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 430   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 431   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
 432     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
 433     if (!aView.Add(aRoot)) continue;
 434
 435     bool aNotInTree =
 436       TNaming_Tool::NamedShape(aRoot, aData->shapeLab()).IsNull();
 437     if (aNotInTree && !theIsStoreSeparate) {
 438       // there is no sense to write history if old shape does not exist in the document
 439       continue; // but if it is stored separately, it will be builded as a primitive
 440     }
 441     ListOfShape aList;
 442     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 443     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 444     theMS->modified(aRShape, aList);
 445     if (!theIsStoreSeparate)
 446       keepTopLevelShapes(aList, aRoot, aResultShape);
 447     // sort the list of images before naming
 448     GeomAlgoAPI_SortListOfShapes::sort(aList);
 449
 450     // to trace situation where several objects are produced by one parent (#2317)
 451     int aSameParentShapes = -1;
 452     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator
 453       anIt = aList.begin(), aLast = aList.end();
 454     for (; anIt != aLast; anIt++) {
 455       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 456       if (theSubShapes.isBound(*anIt)) {
 457         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
 458         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
 459       }
 460       GeomShapePtr aGeomNewShape(new GeomAPI_Shape());
 461       aGeomNewShape->setImpl(new TopoDS_Shape(aNewShape));
 462       if(!aRoot.IsSame(aNewShape) && aResultShape->isSubShape(aGeomNewShape, false) &&
 463          !aResultShape->isSame(*anIt)) { // to avoid put of same shape on main label and sub
 464         int aBuilderTag = aTag;
 465         if (!theIsStoreSeparate) {
 466           aSameParentShapes++;
 467         } else if (aNotInTree) { // check this new shape can not be represented as
 468           // a sub-shape of higher level sub-shapes
 469           TopAbs_ShapeEnum aNewType = aNewShape.ShapeType();
 470           TopAbs_ShapeEnum anAncestorType = typeOfAncestor(aNewType);
 471           if (anAncestorType != TopAbs_VERTEX) {
 472             bool aFound = false;
 473             TopoDS_Shape aResultTShape = aResultShape->impl<TopoDS_Shape>();
 474             TopExp_Explorer anAncestorExp(aResultTShape, anAncestorType);
 475             for(; anAncestorExp.More() && !aFound; anAncestorExp.Next()) {
 476               if (aResultTShape.IsSame(anAncestorExp.Current()))
 477                 continue;
 478               TopExp_Explorer aSubExp(anAncestorExp.Current(), aNewType);
 479               for(; aSubExp.More(); aSubExp.Next()) {
 480                 if (aNewShape.IsSame(aSubExp.Current())) {
 481                   aFound = true;
 482                   break;
 483                 }
 484               }
 485             }
 486             if (aFound) {
 487               continue; // not need to store this shape in the BRep structure
 488             }
 489           }
 490         }
 491
 492         static const int THE_ANCHOR_TAG = 100000;
 493         int aCurShapeType = (int)((*anIt)->shapeType());
 494         bool needSuffix = false; // suffix for the name based on the shape type
 495         if (aSameParentShapes > 0) { // store in other label
 496           aBuilderTag = THE_ANCHOR_TAG - aSameParentShapes * 10 - aCurShapeType;
 497           needSuffix = true;
 498         } else if (aCurShapeType != theKindOfShape) {
 499           // modified shape has different type => set another tag
 500           // to avoid shapes of different types on the same label
 501           aBuilderTag = THE_ANCHOR_TAG - aCurShapeType;
 502           needSuffix = true;
 503         }
 504         std::string aSuffix;
 505         if (needSuffix) {
 506           switch (aCurShapeType) {
 507           case GeomAPI_Shape::VERTEX: aSuffix = "_v"; break;
 508           case GeomAPI_Shape::EDGE:   aSuffix = "_e"; break;
 509           case GeomAPI_Shape::FACE:   aSuffix = "_f"; break;
 510           default: break;
 511           }
 512         }
 513
 514         if(theIsStoreAsGenerated) {
 515           // Here we store shapes as generated, to avoid problem when one parent shape produce
 516           // several child shapes. In this case naming could not determine which shape to select.
 517           builder(aBuilderTag)->Generated(aRoot, aNewShape);
 518         } else if (aNotInTree) {
 519           // not in tree -> store as primitive (stored as separated)
 520           builder(aBuilderTag)->Generated(aNewShape);
 521         } else {
 522           builder(aBuilderTag)->Modify(aRoot, aNewShape);
 523         }
 524         if(isBuilt) {
 525           aStream.str(std::string());
 526           aStream.clear();
 527           aStream << theName;
 528           if(theIsStoreSeparate)
 529              aStream << "_" << anIndex++;
 530
 531           if (aSameParentShapes > 0) {
 532             aStream.str(std::string());
 533             aStream.clear();
 534             aStream << aName << "_" << aSameParentShapes << "divided";
 535           }
 536
 537           aStream << aSuffix;
 538           buildName(aBuilderTag, aStream.str());
 539         }
 540         if(theIsStoreSeparate) {
 541           aTag++;
 542         }
 543       } else if (aResultShape->isSame(*anIt)) {
 544         // keep the modification evolution on the root level (2241 - history propagation issue)
 545         if(theIsStoreAsGenerated) {
 546           builder(0)->Generated(aRoot, aNewShape);
 547         } else {
 548           builder(0)->Modify(aRoot, aNewShape);
 549         }
 550       }
 551     }
 552   }
 553 }
 554
 555 void Model_BodyBuilder::loadAndOrientGeneratedShapes (
 556   GeomAlgoAPI_MakeShape* theMS,
 557   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 558   const int  theKindOfShape,
 559   const int  theTag,
 560   const std::string& theName,
 561   GeomAPI_DataMapOfShapeShape& theSubShapes)
 562 {
 563   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 564   TopTools_MapOfShape aView;
 565   bool isBuilt = !theName.empty();
 566   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 567   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
 568     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
 569     if (!aView.Add(aRoot)) continue;
 570     //if (TNaming_Tool::NamedShape(aRoot, builder(theTag)->NamedShape()->Label()).IsNull())
 571     //  continue; // there is no sense to write history if old shape does not exist in the document
 572     ListOfShape aList;
 573     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 574     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 575     theMS->generated(aRShape, aList);
 576     keepTopLevelShapes(aList, aRoot);
 577     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator
 578       anIt = aList.begin(), aLast = aList.end();
 579     for (; anIt != aLast; anIt++) {
 580       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 581       if (theSubShapes.isBound(*anIt)) {
 582         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
 583         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
 584       }
 585       if (!aRoot.IsSame (aNewShape)) {
 586         builder(theTag)->Generated(aRoot,aNewShape);
 587         if(isBuilt)
 588           buildName(theTag, theName);
 589       }
 590       TopAbs_ShapeEnum aGenShapeType = aNewShape.ShapeType();
 591       if(aGenShapeType == TopAbs_WIRE || aGenShapeType == TopAbs_SHELL) {
 592         TopAbs_ShapeEnum anExplodeShapeType =
 593           aGenShapeType == TopAbs_WIRE ? TopAbs_EDGE : TopAbs_FACE;
 594         const TDF_Label aLabel = builder(theTag)->NamedShape()->Label();
 595         int aTag = 1;
 596         std::shared_ptr<Model_Document> aDoc =
 597           std::dynamic_pointer_cast<Model_Document>(document());
 598         for(TopExp_Explorer anExp(aNewShape, anExplodeShapeType); anExp.More(); anExp.Next()) {
 599           TDF_Label aChildLabel = aLabel.FindChild(aTag);
 600           TNaming_Builder aBuilder(aChildLabel);
 601           aBuilder.Generated(aRoot, anExp.Current());
 602           TCollection_AsciiString aChildName =
 603             TCollection_AsciiString((theName + "_").c_str()) + aTag;
 604           TDataStd_Name::Set(aChildLabel, aChildName.ToCString());
 605           aTag++;
 606         }
 607       }
 608     }
 609   }
 610 }
 611
 612 //=======================================================================
 613 int getDangleShapes(const TopoDS_Shape&           theShapeIn,
 614   const TopAbs_ShapeEnum        theGeneratedFrom,
 615   TopTools_DataMapOfShapeShape& theDangles)
 616 {
 617   theDangles.Clear();
 618   TopTools_IndexedDataMapOfShapeListOfShape subShapeAndAncestors;
 619   TopAbs_ShapeEnum GeneratedTo;
 620   if (theGeneratedFrom == TopAbs_FACE) GeneratedTo = TopAbs_EDGE;
 621   else if (theGeneratedFrom == TopAbs_EDGE) GeneratedTo = TopAbs_VERTEX;
 622   else return Standard_False;
 623   TopExp::MapShapesAndAncestors(theShapeIn, GeneratedTo, theGeneratedFrom, subShapeAndAncestors);
 624   for (Standard_Integer i = 1; i <= subShapeAndAncestors.Extent(); i++) {
 625     const TopoDS_Shape& mayBeDangle = subShapeAndAncestors.FindKey(i);
 626     const TopTools_ListOfShape& ancestors = subShapeAndAncestors.FindFromIndex(i);
 627     if (ancestors.Extent() == 1) theDangles.Bind(ancestors.First(), mayBeDangle);
 628   }
 629   return theDangles.Extent();
 630 }
 631
 632 //=======================================================================
 633 void loadGeneratedDangleShapes(
 634   const TopoDS_Shape&      theShapeIn,
 635   const TopAbs_ShapeEnum   theGeneratedFrom,
 636   TNaming_Builder *        theBuilder)
 637 {
 638   TopTools_DataMapOfShapeShape dangles;
 639   if (!getDangleShapes(theShapeIn, theGeneratedFrom, dangles)) return;
 640   TopTools_DataMapIteratorOfDataMapOfShapeShape itr(dangles);
 641   for (; itr.More(); itr.Next())
 642     theBuilder->Generated(itr.Key(), itr.Value());
 643 }
 644
 645 //=======================================================================
 646 void Model_BodyBuilder::loadNextLevels(std::shared_ptr<GeomAPI_Shape> theShape,
 647   const std::string& theName, int&  theTag)
 648 {
 649   if(theShape->isNull()) return;
 650   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 651   std::string aName;
 652   if (aShape.ShapeType() == TopAbs_SOLID) {
 653     TopExp_Explorer expl(aShape, TopAbs_FACE);
 654     for (; expl.More(); expl.Next()) {
 655       builder(theTag)->Generated(expl.Current());
 656       TCollection_AsciiString aStr(theTag);
 657       aName = theName + aStr.ToCString();
 658       buildName(theTag, aName);
 659       theTag++;
 660     }
 661   }
 662   else if (aShape.ShapeType() == TopAbs_SHELL || aShape.ShapeType() == TopAbs_FACE) {
 663     // load faces and all the free edges
 664     TopTools_IndexedMapOfShape Faces;
 665     TopExp::MapShapes(aShape, TopAbs_FACE, Faces);
 666     if (Faces.Extent() > 1 || (aShape.ShapeType() == TopAbs_SHELL && Faces.Extent() == 1)) {
 667       TopExp_Explorer expl(aShape, TopAbs_FACE);
 668       for (; expl.More(); expl.Next()) {
 669         builder(theTag)->Generated(expl.Current());
 670         TCollection_AsciiString aStr(theTag);
 671         aName = theName + aStr.ToCString();
 672         buildName(theTag, aName);
 673         theTag++;
 674       }
 675     }
 676     TopTools_IndexedDataMapOfShapeListOfShape anEdgeAndNeighbourFaces;
 677     TopExp::MapShapesAndAncestors(aShape, TopAbs_EDGE, TopAbs_FACE, anEdgeAndNeighbourFaces);
 678     for (Standard_Integer i = 1; i <= anEdgeAndNeighbourFaces.Extent(); i++)
 679     {
 680       const TopTools_ListOfShape& aLL = anEdgeAndNeighbourFaces.FindFromIndex(i);
 681       if (aLL.Extent() < 2) {
 682         if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeAndNeighbourFaces.FindKey(i))))
 683           continue;
 684         builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
 685         TCollection_AsciiString aStr(theTag);
 686         aName = theName + aStr.ToCString();
 687         buildName(theTag, aName);
 688         theTag++;
 689       } else {
 690         TopTools_ListIteratorOfListOfShape anIter(aLL);
 691         const TopoDS_Face& aFace = TopoDS::Face(anIter.Value());
 692         anIter.Next();
 693         if(aFace.IsEqual(anIter.Value())) {
 694           builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
 695           TCollection_AsciiString aStr(theTag);
 696           aName = theName + aStr.ToCString();
 697           buildName(theTag, aName);
 698           theTag++;
 699         }
 700       }
 701     }
 702   } else if (aShape.ShapeType() == TopAbs_WIRE) {
 703     TopTools_IndexedMapOfShape Edges;
 704     BRepTools::Map3DEdges(aShape, Edges);
 705     if (Edges.Extent() == 1) {
 706       builder(theTag++)->Generated(Edges.FindKey(1));
 707       TopExp_Explorer expl(aShape, TopAbs_VERTEX);
 708       for (; expl.More(); expl.Next()) {
 709         builder(theTag)->Generated(expl.Current());
 710         TCollection_AsciiString aStr(theTag);
 711         aName = theName + aStr.ToCString();
 712         buildName(theTag, aName);
 713         theTag++;
 714       }
 715     } else {
 716       TopExp_Explorer expl(aShape, TopAbs_EDGE);
 717       for (; expl.More(); expl.Next()) {
 718         builder(theTag)->Generated(expl.Current());
 719         TCollection_AsciiString aStr(theTag);
 720         aName = theName + aStr.ToCString();
 721         buildName(theTag, aName);
 722         theTag++;
 723       }
 724       // and load generated vertices.
 725       TopTools_DataMapOfShapeShape generated;
 726       if (getDangleShapes(aShape, TopAbs_EDGE, generated))
 727       {
 728         TNaming_Builder* pBuilder = builder(theTag++);
 729         loadGeneratedDangleShapes(aShape, TopAbs_EDGE, pBuilder);
 730       }
 731     }
 732   } else if (aShape.ShapeType() == TopAbs_EDGE) {
 733     TopExp_Explorer expl(aShape, TopAbs_VERTEX);
 734     for (; expl.More(); expl.Next()) {
 735       builder(theTag)->Generated(expl.Current());
 736       TCollection_AsciiString aStr(theTag);
 737       aName = theName + aStr.ToCString();
 738       buildName(theTag, aName);
 739       theTag++;
 740     }
 741   }
 742 }
 743
 744 //=======================================================================
 745 int findAmbiguities(const TopoDS_Shape&           theShapeIn,
 746   TopTools_ListOfShape&   theList)
 747 {
 748   theList.Clear();
 749   // edges -> ancestor faces list
 750   TopTools_IndexedDataMapOfShapeListOfShape aSubShapeAndAncestors;
 751   TopExp::MapShapesAndAncestors(theShapeIn, TopAbs_EDGE, TopAbs_FACE, aSubShapeAndAncestors);
 752   // keeps the shapes which are already in the resulting list
 753   TopTools_MapOfShape alreadyThere;
 754   // map from faces identifier (combination of hash-codes) to list of edges produced such ID
 755   NCollection_DataMap<int, NCollection_List<TopoDS_Shape> > aFacesIDs;
 756
 757   TopTools_IndexedDataMapOfShapeListOfShape::Iterator anAncestorsIter(aSubShapeAndAncestors);
 758   for (; anAncestorsIter.More(); anAncestorsIter.Next()) {
 759     const TopTools_ListOfShape& ancestors = anAncestorsIter.Value();
 760     if (ancestors.Extent() < 2)
 761       continue;
 762     Standard_Integer anID = 0;
 763     for(TopTools_ListIteratorOfListOfShape aFaceIt(ancestors); aFaceIt.More(); aFaceIt.Next()) {
 764       anID ^= HashCode(aFaceIt.ChangeValue(), 1990657); // Pierpont prime
 765     }
 766     if (aFacesIDs.IsBound(anID)) { // there found same edge, check they really have same faces
 767       const NCollection_List<TopoDS_Shape>& aSameFaces1 =
 768         aSubShapeAndAncestors.FindFromKey(anAncestorsIter.Key());
 769       NCollection_List<TopoDS_Shape>::Iterator aSameEdge(aFacesIDs.ChangeFind(anID));
 770       for(; aSameEdge.More(); aSameEdge.Next()) {
 771         const NCollection_List<TopoDS_Shape>& aSameFaces2 =
 772           aSubShapeAndAncestors.FindFromKey(aSameEdge.Value());
 773         if (aSameFaces2.Extent() != aSameFaces1.Extent()) // the number of faces is different
 774           break;
 775
 776         NCollection_List<TopoDS_Shape>::Iterator aFaceIter1(aSameFaces1);
 777         for(; aFaceIter1.More(); aFaceIter1.Next()) {
 778           NCollection_List<TopoDS_Shape>::Iterator aFaceIter2(aSameFaces2);
 779           for(; aFaceIter2.More(); aFaceIter2.Next()) {
 780             if (aFaceIter1.Value().IsSame(aFaceIter2.Value()))
 781               break;
 782           }
 783           if (!aFaceIter2.More()) // aFaceIter1 contains a face, which is not in aFaceIter2
 784             break;
 785         }
 786         if (!aFaceIter1.More()) { // all the faces are same => put to the result
 787           if (alreadyThere.Add(aSameEdge.Value()))
 788             theList.Append(aSameEdge.Value());
 789           if (alreadyThere.Add(anAncestorsIter.Key()))
 790             theList.Append(anAncestorsIter.Key());
 791         }
 792       }
 793     } else { // ID is unique, just add this edge
 794       aFacesIDs.Bind(anID, NCollection_List<TopoDS_Shape>());
 795     }
 796     aFacesIDs.ChangeFind(anID).Append(anAncestorsIter.Key()); // add to the list anyway
 797   }
 798   return theList.Extent();
 799 }
 800
 801 //=======================================================================
 802 void Model_BodyBuilder::loadFirstLevel(
 803   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
 804 {
 805   if(theShape->isNull()) return;
 806   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 807   std::string aName;
 808   if (aShape.ShapeType() == TopAbs_COMPOUND || aShape.ShapeType() == TopAbs_COMPSOLID) {
 809     TopoDS_Iterator itr(aShape);
 810     for (; itr.More(); itr.Next()) {
 811       builder(theTag)->Generated(itr.Value());
 812       TCollection_AsciiString aStr(theTag);
 813       aName = theName + aStr.ToCString();
 814       buildName(theTag, aName);
 815       if(!theName.empty()) buildName(theTag, aName);
 816       theTag++;
 817       if (itr.Value().ShapeType() == TopAbs_COMPOUND ||
 818         itr.Value().ShapeType() == TopAbs_COMPSOLID)
 819       {
 820         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 821         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
 822         loadFirstLevel(itrShape, theName, theTag);
 823       } else {
 824         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 825         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
 826         loadNextLevels(itrShape, theName, theTag);
 827       }
 828     }
 829   } else {
 830     std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 831     itrShape->setImpl(new TopoDS_Shape(aShape));
 832     loadNextLevels(itrShape, theName, theTag);
 833   }
 834   TopTools_ListOfShape   aList;
 835   if(findAmbiguities(aShape, aList)) {
 836     TopTools_ListIteratorOfListOfShape it(aList);
 837     for (; it.More(); it.Next(),theTag++) {
 838       builder(theTag)->Generated(it.Value());
 839       TCollection_AsciiString aStr(theTag);
 840       aName = theName + aStr.ToCString();
 841       buildName(theTag, aName);
 842     }
 843   }
 844 }
 845
 846 //=======================================================================
 847 void Model_BodyBuilder::loadDisconnectedEdges(
 848   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
 849 {
 850   if(theShape->isNull()) return;
 851   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 852   TopTools_DataMapOfShapeListOfShape edgeNaborFaces;
 853   TopTools_ListOfShape empty;
 854   TopExp_Explorer explF(aShape, TopAbs_FACE);
 855   for (; explF.More(); explF.Next()) {
 856     const TopoDS_Shape& aFace = explF.Current();
 857     TopExp_Explorer explV(aFace, TopAbs_EDGE);
 858     for (; explV.More(); explV.Next()) {
 859       const TopoDS_Shape& anEdge = explV.Current();
 860       if (!edgeNaborFaces.IsBound(anEdge)) edgeNaborFaces.Bind(anEdge, empty);
 861       Standard_Boolean faceIsNew = Standard_True;
 862       TopTools_ListIteratorOfListOfShape itrF(edgeNaborFaces.Find(anEdge));
 863       for (; itrF.More(); itrF.Next()) {
 864         if (itrF.Value().IsSame(aFace)) {
 865           faceIsNew = Standard_False;
 866           break;
 867         }
 868       }
 869       if (faceIsNew)
 870         edgeNaborFaces.ChangeFind(anEdge).Append(aFace);
 871     }
 872   }
 873
 874   TopTools_MapOfShape anEdgesToDelete;
 875   TopExp_Explorer anEx(aShape,TopAbs_EDGE);
 876   std::string aName;
 877   for(;anEx.More();anEx.Next()) {
 878     Standard_Boolean aC0 = Standard_False;
 879     TopoDS_Shape anEdge1 = anEx.Current();
 880     if (edgeNaborFaces.IsBound(anEdge1)) {
 881       const TopTools_ListOfShape& aList1 = edgeNaborFaces.Find(anEdge1);
 882       if (aList1.Extent()<2) continue;
 883       TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(edgeNaborFaces);
 884       for (; itr.More(); itr.Next()) {
 885         TopoDS_Shape anEdge2 = itr.Key();
 886         if(anEdgesToDelete.Contains(anEdge2)) continue;
 887         if (anEdge1.IsSame(anEdge2)) continue;
 888         const TopTools_ListOfShape& aList2 = itr.Value();
 889         // compare lists of the neighbour faces of edge1 and edge2
 890         if (aList1.Extent() == aList2.Extent()) {
 891           Standard_Integer aMatches = 0;
 892           for(TopTools_ListIteratorOfListOfShape aLIter1(aList1);aLIter1.More();aLIter1.Next())
 893             for(TopTools_ListIteratorOfListOfShape aLIter2(aList2);aLIter2.More();aLIter2.Next())
 894               if (aLIter1.Value().IsSame(aLIter2.Value())) aMatches++;
 895           if (aMatches == aList1.Extent()) {
 896             aC0=Standard_True;
 897             builder(theTag)->Generated(anEdge2);
 898             anEdgesToDelete.Add(anEdge2);
 899             TCollection_AsciiString aStr(theTag);
 900             aName = theName + aStr.ToCString();
 901             buildName(theTag, aName);
 902             theTag++;
 903           }
 904         }
 905       }
 906       TopTools_MapIteratorOfMapOfShape itDelete(anEdgesToDelete);
 907       for(;itDelete.More();itDelete.Next())
 908         edgeNaborFaces.UnBind(itDelete.Key());
 909       edgeNaborFaces.UnBind(anEdge1);
 910     }
 911     if (aC0) {
 912       builder(theTag)->Generated(anEdge1);
 913       TCollection_AsciiString aStr(theTag);
 914       aName = theName + aStr.ToCString();
 915       buildName(theTag, aName);
 916       theTag++;
 917     }
 918   }
 919 }
 920
 921 void Model_BodyBuilder::loadDisconnectedVertexes(std::shared_ptr<GeomAPI_Shape> theShape,
 922                                                  const std::string& theName, int&  theTag)
 923 {
 924   if(theShape->isNull()) return;
 925   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 926   TopTools_DataMapOfShapeListOfShape vertexNaborEdges;
 927   TopTools_ListOfShape empty;
 928   TopExp_Explorer explF(aShape, TopAbs_EDGE);
 929   for (; explF.More(); explF.Next()) {
 930     const TopoDS_Shape& anEdge = explF.Current();
 931     TopExp_Explorer explV(anEdge, TopAbs_VERTEX);
 932     for (; explV.More(); explV.Next()) {
 933       const TopoDS_Shape& aVertex = explV.Current();
 934       if (!vertexNaborEdges.IsBound(aVertex)) vertexNaborEdges.Bind(aVertex, empty);
 935       Standard_Boolean faceIsNew = Standard_True;
 936       TopTools_ListIteratorOfListOfShape itrF(vertexNaborEdges.Find(aVertex));
 937       for (; itrF.More(); itrF.Next()) {
 938         if (itrF.Value().IsSame(anEdge)) {
 939           faceIsNew = Standard_False;
 940           break;
 941         }
 942       }
 943       if (faceIsNew) {
 944         vertexNaborEdges.ChangeFind(aVertex).Append(anEdge);
 945       }
 946     }
 947   }
 948   std::string aName;
 949   TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(vertexNaborEdges);
 950   for (; itr.More(); itr.Next()) {
 951     const TopTools_ListOfShape& naborEdges = itr.Value();
 952     if (naborEdges.Extent() < 2) {
 953       builder(theTag)->Generated(itr.Key());
 954       TCollection_AsciiString aStr(theTag);
 955       aName = theName + aStr.ToCString();
 956       buildName(theTag, aName);
 957       theTag++;
 958     }
 959   }
 960 }
 961
 962 std::shared_ptr<GeomAPI_Shape> Model_BodyBuilder::shape()
 963 {
 964   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 965   if (aData) {
 966     TDF_Label aShapeLab = aData->shapeLab();
 967     Handle(TDF_Reference) aRef;
 968     if (aShapeLab.FindAttribute(TDF_Reference::GetID(), aRef)) {
 969       aShapeLab = aRef->Get();
 970     }
 971     Handle(TNaming_NamedShape) aName;
 972     if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
 973       TopoDS_Shape aShape = aName->Get();
 974       if (!aShape.IsNull()) {
 975         std::shared_ptr<GeomAPI_Shape> aRes(new GeomAPI_Shape);
 976         aRes->setImpl(new TopoDS_Shape(aShape));
 977         return aRes;
 978       }
 979     }
 980   }
 981   return std::shared_ptr<GeomAPI_Shape>();
 982 }
 983
 984 bool Model_BodyBuilder::isLatestEqual(const std::shared_ptr<GeomAPI_Shape>& theShape)
 985 {
 986   if (theShape.get()) {
 987     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 988     std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 989     if (aData) {
 990       TDF_Label& aShapeLab = aData->shapeLab();
 991       Handle(TNaming_NamedShape) aName;
 992       if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
 993         TopoDS_Shape aLatest = TNaming_Tool::CurrentShape(aName);
 994         if (aLatest.IsNull())
 995           return false;
 996         if (aLatest.IsEqual(aShape))
 997           return true;
 998         // check sub-shapes for comp-solids:
 999         for (TopExp_Explorer anExp(aShape, aLatest.ShapeType()); anExp.More(); anExp.Next()) {
1000           if (aLatest.IsEqual(anExp.Current()))
1001             return true;
1002         }
1003       }
1004     }
1005   }
1006   return false;
1007 }