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 <BRepTools_History.hxx>
  51 #include <GeomAPI_Shape.h>
  52 #include <GeomAlgoAPI_MakeShape.h>
  53 #include <GeomAlgoAPI_SortListOfShapes.h>
  54 #include <Config_PropManager.h>
  55 // DEB
  56 //#include <TCollection_AsciiString.hxx>
  57 //#include <TDF_Tool.hxx>
  58 //#define DEB_IMPORT 1
  59
  60 Model_BodyBuilder::Model_BodyBuilder(ModelAPI_Object* theOwner)
  61 : ModelAPI_BodyBuilder(theOwner),
  62   myDividedIndex(1),
  63   myVIndex(1),
  64   myEIndex(1),
  65   myFIndex(1)
  66 {
  67 }
  68
  69 // Converts evolution of naming shape to selection evelution and back to avoid
  70 // naming support on the disabled results. Deeply in the labels tree, recursively.
  71 static void evolutionToSelectionRec(TDF_Label theLab, const bool theFlag) {
  72   std::list<std::pair<TopoDS_Shape, TopoDS_Shape> > aShapePairs; // to store old and new shapes
  73   Handle(TNaming_NamedShape) aName;
  74   int anEvolution = -1;
  75   if (theLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
  76     TNaming_Evolution aNSEvol = aName->Evolution();
  77     if ((aNSEvol == TNaming_SELECTED && theFlag) ||
  78         (aNSEvol != TNaming_SELECTED && !theFlag)) { // nothing to do, it is already correct
  79       return;
  80     }
  81     anEvolution = (int)(aNSEvol);
  82     if (!theFlag) {
  83       Handle(TDataStd_Integer) anAttrEvol;
  84       if (theLab.FindAttribute(TDataStd_Integer::GetID(), anAttrEvol)) {
  85         anEvolution = anAttrEvol->Get();
  86       }
  87     } else {
  88       TDataStd_Integer::Set(theLab, anEvolution);
  89     }
  90
  91     for(TNaming_Iterator anIter(aName); anIter.More(); anIter.Next()) {
  92       // iterator goes in reversed order relatively to the Builder, to, make the list reversed
  93       aShapePairs.push_front(std::pair<TopoDS_Shape, TopoDS_Shape>
  94         (anIter.OldShape(), anIter.NewShape()));
  95     }
  96
  97     // create new
  98     TNaming_Builder aBuilder(theLab);
  99     TNaming_Evolution anEvol = (TNaming_Evolution)(anEvolution);
 100     std::list<std::pair<TopoDS_Shape, TopoDS_Shape> >::iterator aPairsIter = aShapePairs.begin();
 101     for(; aPairsIter != aShapePairs.end(); aPairsIter++) {
 102       if (theFlag) { // disabled => make selection
 103         if (anEvolution == TNaming_DELETE) // issue 2274 : don't put too many same null shapes
 104           aBuilder.Select(aPairsIter->first, aPairsIter->first);
 105         else if (anEvolution == TNaming_PRIMITIVE)
 106           aBuilder.Select(aPairsIter->second, aPairsIter->second);
 107         else
 108           aBuilder.Select(aPairsIter->second, aPairsIter->first);
 109       } else if (anEvol == TNaming_GENERATED) {
 110         aBuilder.Generated(aPairsIter->first, aPairsIter->second);
 111       } else if (anEvol == TNaming_MODIFY) {
 112         aBuilder.Modify(aPairsIter->first, aPairsIter->second);
 113       } else if (anEvol == TNaming_DELETE) {
 114         aBuilder.Delete(aPairsIter->first);
 115       } else if (anEvol == TNaming_PRIMITIVE) {
 116         aBuilder.Generated(aPairsIter->second);
 117       } else if (anEvol == TNaming_SELECTED) {
 118         aBuilder.Select(aPairsIter->second, aPairsIter->first);
 119       }
 120     }
 121   }
 122   // recursive call for all sub-labels
 123   TDF_ChildIterator anIter(theLab, Standard_False);
 124   for(; anIter.More(); anIter.Next()) {
 125     evolutionToSelectionRec(anIter.Value(), theFlag);
 126   }
 127 }
 128
 129 void Model_BodyBuilder::evolutionToSelection(const bool theFlag)
 130 {
 131   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 132   if (!aData || !aData->isValid()) // unknown case
 133     return;
 134   TDF_Label& aShapeLab = aData->shapeLab();
 135   evolutionToSelectionRec(aShapeLab, theFlag);
 136 }
 137
 138 void Model_BodyBuilder::store(const std::shared_ptr<GeomAPI_Shape>& theShape,
 139                               const bool theIsStoreSameShapes)
 140 {
 141   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 142   if (aData) {
 143     TDF_Label& aShapeLab = aData->shapeLab();
 144     // clean builders
 145     clean();
 146     // store the new shape as primitive
 147     TNaming_Builder aBuilder(aShapeLab);
 148     if (!theShape)
 149       return;  // bad shape
 150     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 151     if (aShape.IsNull())
 152       return;  // null shape inside
 153
 154     if(!theIsStoreSameShapes) {
 155       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aShape, aShapeLab);
 156       if(!aNS.IsNull() && !aNS->IsEmpty()) {
 157         // This shape is already in document, store reference instead of shape;
 158         const TDF_Label aFoundLabel = aNS->Label();
 159         TDF_Reference::Set(aShapeLab, aFoundLabel);
 160         aShapeLab.ForgetAttribute(TNaming_NamedShape::GetID());
 161         return;
 162       }
 163     }
 164
 165     aBuilder.Generated(aShape);
 166     // register name
 167     aShapeLab.ForgetAttribute(TDF_Reference::GetID());
 168     if(!aBuilder.NamedShape()->IsEmpty()) {
 169       Handle(TDataStd_Name) anAttr;
 170       if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
 171         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
 172         if(!aName.empty()) {
 173           std::shared_ptr<Model_Document> aDoc =
 174             std::dynamic_pointer_cast<Model_Document>(document());
 175           aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
 176         }
 177       }
 178     }
 179   }
 180 }
 181
 182 void Model_BodyBuilder::storeGenerated(const std::shared_ptr<GeomAPI_Shape>& theFromShape,
 183   const std::shared_ptr<GeomAPI_Shape>& theToShape)
 184 {
 185   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 186   if (aData) {
 187     TDF_Label& aShapeLab = aData->shapeLab();
 188     // clean builders
 189     clean();
 190     // store the new shape as primitive
 191     TNaming_Builder aBuilder(aShapeLab);
 192     if (!theFromShape || !theToShape)
 193       return;  // bad shape
 194     TopoDS_Shape aShapeBasis = theFromShape->impl<TopoDS_Shape>();
 195     if (aShapeBasis.IsNull())
 196       return;  // null shape inside
 197     TopoDS_Shape aShapeNew = theToShape->impl<TopoDS_Shape>();
 198     if (aShapeNew.IsNull())
 199       return;  // null shape inside
 200     aBuilder.Generated(aShapeBasis, aShapeNew);
 201     // register name
 202     if(!aBuilder.NamedShape()->IsEmpty()) {
 203       Handle(TDataStd_Name) anAttr;
 204       if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
 205         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
 206         if(!aName.empty()) {
 207           std::shared_ptr<Model_Document> aDoc =
 208             std::dynamic_pointer_cast<Model_Document>(document());
 209           aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
 210         }
 211       }
 212     }
 213   }
 214 }
 215
 216 TNaming_Builder* Model_BodyBuilder::builder(const int theTag)
 217 {
 218   std::map<int, TNaming_Builder*>::iterator aFind = myBuilders.find(theTag);
 219   if (aFind == myBuilders.end()) {
 220     std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 221     myBuilders[theTag] = new TNaming_Builder(
 222       theTag == 0 ? aData->shapeLab() : aData->shapeLab().FindChild(theTag));
 223     aFind = myBuilders.find(theTag);
 224   }
 225   return aFind->second;
 226 }
 227
 228 void Model_BodyBuilder::storeModified(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 229   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const int theDecomposeSolidsTag)
 230 {
 231   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 232   if (aData) {
 233     TDF_Label& aShapeLab = aData->shapeLab();
 234     // clean builders
 235     if (theDecomposeSolidsTag != -2)
 236       clean();
 237     // store the new shape as primitive
 238     TNaming_Builder* aBuilder = builder(0);
 239     if (!theOldShape || !theNewShape)
 240       return;  // bad shape
 241     TopoDS_Shape aShapeOld = theOldShape->impl<TopoDS_Shape>();
 242     if (aShapeOld.IsNull())
 243       return;  // null shape inside
 244     TopoDS_Shape aShapeNew = theNewShape->impl<TopoDS_Shape>();
 245     if (aShapeNew.IsNull())
 246       return;  // null shape inside
 247     aBuilder->Modify(aShapeOld, aShapeNew);
 248     if(!aBuilder->NamedShape()->IsEmpty()) {
 249       Handle(TDataStd_Name) anAttr;
 250       if(aBuilder->NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
 251         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
 252         if(!aName.empty()) {
 253           std::shared_ptr<Model_Document> aDoc =
 254             std::dynamic_pointer_cast<Model_Document>(document());
 255           aDoc->addNamingName(aBuilder->NamedShape()->Label(), aName);
 256         }
 257       }
 258     }
 259   }
 260 }
 261
 262 void  Model_BodyBuilder::storeWithoutNaming(const std::shared_ptr<GeomAPI_Shape>& theShape)
 263 {
 264   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 265   if (aData) {
 266     clean();
 267     if (!theShape.get())
 268       return; // bad shape
 269     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 270     if (aShape.IsNull())
 271       return;  // null shape inside
 272     TNaming_Builder aBuilder(aData->shapeLab());
 273     aBuilder.Select(aShape, aShape);
 274   }
 275 }
 276
 277 void Model_BodyBuilder::clean()
 278 {
 279   TDF_Label aLab = std::dynamic_pointer_cast<Model_Data>(data())->shapeLab();
 280   if (aLab.IsNull())
 281     return;
 282   std::map<int, TNaming_Builder*>::iterator aBuilder = myBuilders.begin();
 283   for(; aBuilder != myBuilders.end(); aBuilder++) {
 284     delete aBuilder->second;
 285     // clear also shapes on cleaned sub-labels (#2241)
 286     Handle(TNaming_NamedShape) aNS;
 287     if (aLab.FindChild(aBuilder->first).FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
 288       aNS->Clear();
 289     }
 290   }
 291   myBuilders.clear();
 292   // remove the old reference (if any)
 293   aLab.ForgetAttribute(TDF_Reference::GetID());
 294   myDividedIndex = 1;
 295   myVIndex = 1;
 296   myEIndex = 1;
 297   myFIndex = 1;
 298 }
 299
 300 Model_BodyBuilder::~Model_BodyBuilder()
 301 {
 302   clean();
 303 }
 304
 305 void Model_BodyBuilder::buildName(const int theTag, const std::string& theName)
 306 {
 307   std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
 308   //aDoc->addNamingName(builder(theTag)->NamedShape()->Label(), theName);
 309   TDataStd_Name::Set(builder(theTag)->NamedShape()->Label(), theName.c_str());
 310 }
 311 void Model_BodyBuilder::generated(
 312   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 313 {
 314   TopoDS_Shape aShape = theNewShape->impl<TopoDS_Shape>();
 315   builder(theTag)->Generated(aShape);
 316   if(!theName.empty())
 317     buildName(theTag, theName);
 318 }
 319
 320 void Model_BodyBuilder::generated(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 321   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 322 {
 323   TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
 324   TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
 325   builder(theTag)->Generated(anOldShape, aNewShape);
 326   if(!theName.empty())
 327     buildName(theTag, theName);
 328   TopAbs_ShapeEnum aGenShapeType = aNewShape.ShapeType();
 329   if(aGenShapeType == TopAbs_WIRE || aGenShapeType == TopAbs_SHELL) {
 330     TopAbs_ShapeEnum anExplodeShapeType = aGenShapeType == TopAbs_WIRE ? TopAbs_EDGE : TopAbs_FACE;
 331     const TDF_Label aLabel = builder(theTag)->NamedShape()->Label();
 332     int aTag = 1;
 333     std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
 334     for(TopExp_Explorer anExp(aNewShape, anExplodeShapeType); anExp.More(); anExp.Next()) {
 335       TDF_Label aChildLabel = aLabel.FindChild(aTag);
 336       TNaming_Builder aBuilder(aChildLabel);
 337       aBuilder.Generated(anOldShape, anExp.Current());
 338       TCollection_AsciiString aChildName = TCollection_AsciiString((theName + "_").c_str()) + aTag;
 339       //aDoc->addNamingName(aChildLabel, aChildName.ToCString());
 340       TDataStd_Name::Set(aChildLabel, aChildName.ToCString());
 341       aTag++;
 342     }
 343   }
 344 }
 345
 346
 347 void Model_BodyBuilder::modified(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 348   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 349 {
 350   TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
 351   TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
 352   builder(theTag)->Modify(anOldShape, aNewShape);
 353   if(!theName.empty())
 354     buildName(theTag, theName);
 355 }
 356
 357 void Model_BodyBuilder::deleted(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 358   const int theTag)
 359 {
 360   TopoDS_Shape aShape = theOldShape->impl<TopoDS_Shape>();
 361   builder(theTag)->Delete(aShape);
 362 }
 363
 364 void Model_BodyBuilder::loadDeletedShapes (GeomAlgoAPI_MakeShape* theMS,
 365   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 366   const int  theKindOfShape,
 367   const int  theTag,
 368   const GeomShapePtr theShapes)
 369 {
 370   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 371   TopTools_MapOfShape aView;
 372   TopExp_Explorer ShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 373   GeomShapePtr aResultShape = shape();
 374   for (; ShapeExplorer.More(); ShapeExplorer.Next ()) {
 375     const TopoDS_Shape& aRoot = ShapeExplorer.Current ();
 376     if (!aView.Add(aRoot)) continue;
 377     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 378     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 379     if (!theMS->isDeleted(aRShape)
 380         || aResultShape->isSubShape(aRShape, false)
 381         || (theShapes.get() && theShapes->isSubShape(aRShape, false))) {
 382       continue;
 383     }
 384
 385     ListOfShape aHist;
 386     if (BRepTools_History::IsSupportedType(aRoot)) // to avoid crash in #2572
 387       theMS->modified(aRShape, aHist);
 388     if (aHist.size() == 0 || (aHist.size() == 1 && aHist.front()->isSame(aRShape)))
 389       builder(theTag)->Delete(aRoot);
 390   }
 391 }
 392
 393 static void removeBadShapes(ListOfShape& theShapes)
 394 {
 395   ListOfShape::iterator anIt = theShapes.begin();
 396   while (anIt != theShapes.end()) {
 397     TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 398     bool aSkip = aNewShape.IsNull()
 399       || (aNewShape.ShapeType() == TopAbs_EDGE && BRep_Tool::Degenerated(TopoDS::Edge(aNewShape)));
 400     if (aSkip) {
 401       ListOfShape::iterator aRemoveIt = anIt++;
 402       theShapes.erase(aRemoveIt);
 403     } else {
 404       ++anIt;
 405     }
 406   }
 407 }
 408
 409 // Keep only the shapes with minimal shape type
 410 static void keepTopLevelShapes(ListOfShape& theShapes, const TopoDS_Shape& theRoot,
 411   const GeomShapePtr& theResultShape = GeomShapePtr())
 412 {
 413   GeomAPI_Shape::ShapeType aKeepShapeType = GeomAPI_Shape::SHAPE;
 414   ListOfShape::iterator anIt = theShapes.begin();
 415   while (anIt != theShapes.end()) {
 416     TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 417     bool aSkip = aNewShape.IsNull() ||
 418       (aNewShape.ShapeType() == TopAbs_EDGE && BRep_Tool::Degenerated(TopoDS::Edge(aNewShape)));
 419     if (aSkip || theRoot.IsSame(aNewShape) || (theResultShape &&
 420         (!theResultShape->isSubShape(*anIt, false) || theResultShape->isSame(*anIt)))) {
 421       ListOfShape::iterator aRemoveIt = anIt++;
 422       theShapes.erase(aRemoveIt);
 423     } else {
 424       GeomAPI_Shape::ShapeType aType = (*anIt)->shapeType();
 425       if (aType < aKeepShapeType) {
 426         // found a shape with lesser shape type => remove all previous shapes
 427         aKeepShapeType = aType;
 428         theShapes.erase(theShapes.begin(), anIt);
 429         ++anIt;
 430       } else if (aType > aKeepShapeType) {
 431         // shapes with greater shape type should be removed from the list
 432         ListOfShape::iterator aRemoveIt = anIt++;
 433         theShapes.erase(aRemoveIt);
 434       } else
 435         ++anIt;
 436     }
 437   }
 438 }
 439
 440 // returns an ancestor shape-type thaty used for naming-definition of the sub-type
 441 TopAbs_ShapeEnum typeOfAncestor(const TopAbs_ShapeEnum theSubType) {
 442   if (theSubType == TopAbs_VERTEX)
 443     return TopAbs_EDGE;
 444   if (theSubType == TopAbs_EDGE)
 445     return TopAbs_FACE;
 446   return TopAbs_VERTEX; // bad case
 447 }
 448
 449 void Model_BodyBuilder::loadAndOrientModifiedShapes (
 450   GeomAlgoAPI_MakeShape* theMS,
 451   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 452   const int  theKindOfShape,
 453   const int  theTag,
 454   const std::string& theName,
 455   GeomAPI_DataMapOfShapeShape& theSubShapes,
 456   const bool theIsStoreSeparate,
 457   const bool theIsStoreAsGenerated)
 458 {
 459   static const int THE_ANCHOR_TAG = 100000;
 460
 461   int anIndex = 1;
 462   int aTag = theTag;
 463   bool isBuilt = !theName.empty();
 464   std::string aName = theName;
 465   std::ostringstream aStream;
 466   GeomShapePtr aResultShape = shape();
 467   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 468   TopTools_MapOfShape aView;
 469   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 470   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 471   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
 472     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
 473     if (!aView.Add(aRoot)) continue;
 474
 475     bool aNotInTree =
 476       TNaming_Tool::NamedShape(aRoot, aData->shapeLab()).IsNull();
 477     if (aNotInTree && !theIsStoreSeparate) {
 478       // there is no sense to write history if old shape does not exist in the document
 479       continue; // but if it is stored separately, it will be builded as a primitive
 480     }
 481     ListOfShape aList;
 482     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 483     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 484     theMS->modified(aRShape, aList);
 485     if (!theIsStoreSeparate) {
 486       //keepTopLevelShapes(aList, aRoot, aResultShape);
 487       removeBadShapes(aList);
 488     }
 489     // sort the list of images before naming
 490     GeomAlgoAPI_SortListOfShapes::sort(aList);
 491
 492     // to trace situation where several objects are produced by one parent (#2317)
 493     int aSameParentShapes = (aShapeIn.ShapeType() == TopAbs_WIRE
 494                              || aShapeIn.ShapeType() == TopAbs_SHELL
 495                              || aShapeIn.ShapeType() == TopAbs_COMPOUND) ? 0 : -1;
 496     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator
 497       anIt = aList.begin(), aLast = aList.end();
 498     for (; anIt != aLast; anIt++) {
 499       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 500       if (theSubShapes.isBound(*anIt)) {
 501         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
 502         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
 503       }
 504       isBuilt = !theName.empty();
 505       if(!aRoot.IsSame(aNewShape)
 506          && aResultShape->isSubShape((*anIt), false)
 507          && !aResultShape->isSame(*anIt)) // to avoid put of same shape on main label and sub
 508       {
 509         if (!theIsStoreSeparate) {
 510           aSameParentShapes++;
 511         } else if (aNotInTree) // check this new shape can not be represented as
 512                               // a sub-shape of higher level sub-shapes
 513         {
 514           TopAbs_ShapeEnum aNewType = aNewShape.ShapeType();
 515           TopAbs_ShapeEnum anAncestorType = typeOfAncestor(aNewType);
 516           if (anAncestorType != TopAbs_VERTEX) {
 517             bool aFound = false;
 518             TopoDS_Shape aResultTShape = aResultShape->impl<TopoDS_Shape>();
 519             TopExp_Explorer anAncestorExp(aResultTShape, anAncestorType);
 520             for(; anAncestorExp.More() && !aFound; anAncestorExp.Next()) {
 521               if (aResultTShape.IsSame(anAncestorExp.Current()))
 522                 continue;
 523               TopExp_Explorer aSubExp(anAncestorExp.Current(), aNewType);
 524               for(; aSubExp.More(); aSubExp.Next()) {
 525                 if (aNewShape.IsSame(aSubExp.Current())) {
 526                   aFound = true;
 527                   break;
 528                 }
 529               }
 530             }
 531             if (aFound) {
 532               continue; // not need to store this shape in the BRep structure
 533             }
 534           }
 535         }
 536
 537         int aFoundTag = 0;
 538         bool isFoundSameOld = false;
 539         bool isFoundDiffOld = false;
 540
 541         // Check if new shape was already stored.
 542         for (std::map<int, TNaming_Builder*>::iterator aBuildersIt = myBuilders.begin();
 543              aBuildersIt != myBuilders.end();
 544              ++aBuildersIt)
 545         {
 546           TNaming_Builder* aBuilder = aBuildersIt->second;
 547           for (TNaming_Iterator aNamingIt(aBuilder->NamedShape());
 548                aNamingIt.More();
 549                aNamingIt.Next())
 550           {
 551             if (aNamingIt.NewShape().IsSame(aNewShape))
 552             {
 553               aNamingIt.OldShape().IsSame(aRoot) ? isFoundSameOld = true
 554                                                  : isFoundDiffOld = true;
 555               aFoundTag = aBuildersIt->first;
 556             }
 557           }
 558
 559           if (isFoundSameOld || isFoundDiffOld) break;
 560         }
 561
 562         if (isFoundSameOld) {
 563           // Builder already contains same old->new shapes, don't store it twice.
 564           continue;
 565         }
 566
 567         int aBuilderTag = aSameParentShapes > 0 ? THE_ANCHOR_TAG : aTag;
 568
 569         int aCurShapeType = (int)((*anIt)->shapeType());
 570         bool needSuffix = false; // suffix for the name based on the shape type
 571         if (aCurShapeType != theKindOfShape) {
 572           // modified shape has different type => set another tag
 573           // to avoid shapes of different types on the same label
 574           aBuilderTag = THE_ANCHOR_TAG;
 575           needSuffix = true;
 576         }
 577         std::string aSuffix;
 578         if (needSuffix) {
 579           switch (aCurShapeType) {
 580             case GeomAPI_Shape::VERTEX: aSuffix = "_v_" + std::to_string(myVIndex++); break;
 581             case GeomAPI_Shape::EDGE:   aSuffix = "_e_" + std::to_string(myEIndex++); break;
 582             case GeomAPI_Shape::FACE:   aSuffix = "_f_" + std::to_string(myFIndex++); break;
 583             default: break;
 584           }
 585         }
 586
 587         std::vector<std::pair<TopoDS_Shape, TopoDS_Shape>> aKeepShapes, aMoveShapes;
 588         if (isFoundDiffOld) {
 589           // Found same new shape with different old shape.
 590           if (aFoundTag >= THE_ANCHOR_TAG) {
 591             // Found on separated tag.
 592             aBuilderTag = aFoundTag; // Store it on the same tag.
 593             isBuilt = false; // Don't change name;
 594           } else {
 595             // Found on previous tag.
 596             if (aBuilderTag < THE_ANCHOR_TAG) {
 597               // New shape shouls not be separated.
 598               aBuilderTag = aFoundTag; // Store it on the same tag.
 599               isBuilt = false; // Don't change name;
 600             } else {
 601               // New shape should be separated from others. Move shapes from found tag to new tag.
 602               while (myBuilders.find(aBuilderTag) != myBuilders.end()) {
 603                 ++aBuilderTag;
 604               }
 605
 606               TNaming_Builder* aFoundBuilder = myBuilders.at(aFoundTag);
 607               Handle(TNaming_NamedShape) aFoundNamedShape = aFoundBuilder->NamedShape();
 608               TDF_Label aFoundLabel = aFoundNamedShape->Label();
 609               TNaming_Evolution anEvolution = aFoundNamedShape->Evolution();
 610               for (TNaming_Iterator aNamingIt(aFoundNamedShape);
 611                    aNamingIt.More();
 612                    aNamingIt.Next())
 613               {
 614                 std::pair<TopoDS_Shape, TopoDS_Shape> aShapesPair =
 615                   std::make_pair(aNamingIt.OldShape(), aNamingIt.NewShape());
 616                 aNamingIt.NewShape().IsSame(aNewShape) ? aMoveShapes.push_back(aShapesPair)
 617                                                        : aKeepShapes.push_back(aShapesPair);
 618               }
 619
 620               aFoundNamedShape->Clear();
 621               for (std::vector<std::pair<TopoDS_Shape, TopoDS_Shape>>::iterator aKeepIt =
 622                      aKeepShapes.begin();
 623                    aKeepIt != aKeepShapes.end();
 624                    ++aKeepIt)
 625               {
 626                 if (anEvolution == TNaming_GENERATED) {
 627                   aFoundBuilder->Generated(aKeepIt->first, aKeepIt->second);
 628                 } else {
 629                   aFoundBuilder->Modify(aKeepIt->first, aKeepIt->second);
 630                 }
 631               }
 632             }
 633           }
 634         } else if (aBuilderTag == THE_ANCHOR_TAG) {
 635           while (myBuilders.find(aBuilderTag) != myBuilders.end()) {
 636             ++aBuilderTag;
 637           }
 638         }
 639
 640         if(theIsStoreAsGenerated) {
 641           // Here we store shapes as generated, to avoid problem when one parent shape produce
 642           // several child shapes. In this case naming could not determine which shape to select.
 643           builder(aBuilderTag)->Generated(aRoot, aNewShape);
 644           for (std::vector<std::pair<TopoDS_Shape, TopoDS_Shape>>::iterator aMoveIt =
 645                aMoveShapes.begin();
 646                aMoveIt != aMoveShapes.end();
 647                ++aMoveIt)
 648           {
 649             builder(aBuilderTag)->Generated(aMoveIt->first, aMoveIt->second);
 650           }
 651         } else if (aNotInTree) {
 652           // not in tree -> store as primitive (stored as separated)
 653           builder(aBuilderTag)->Generated(aNewShape);
 654         } else if (aCurShapeType != theKindOfShape) {
 655            // if different shape type is produced, make it as generated
 656           builder(aBuilderTag)->Generated(aRoot, aNewShape);
 657         } else {
 658           builder(aBuilderTag)->Modify(aRoot, aNewShape);
 659           for (std::vector<std::pair<TopoDS_Shape, TopoDS_Shape>>::iterator aMoveIt =
 660                aMoveShapes.begin();
 661                aMoveIt != aMoveShapes.end();
 662                ++aMoveIt) {
 663             builder(aBuilderTag)->Modify(aMoveIt->first, aMoveIt->second);
 664           }
 665         }
 666         if(isBuilt) {
 667           aStream.str(std::string());
 668           aStream.clear();
 669           aStream << theName;
 670           if (theIsStoreSeparate && !isFoundDiffOld)
 671              aStream << "_" << anIndex++;
 672
 673           if (aSameParentShapes > 0) {
 674             aStream.str(std::string());
 675             aStream.clear();
 676             aStream << aName << "_" << "divided" << "_" << myDividedIndex++;
 677           }
 678
 679           aStream << aSuffix;
 680           buildName(aBuilderTag, aStream.str());
 681         }
 682         if(theIsStoreSeparate && !isFoundDiffOld) {
 683           aTag++;
 684         }
 685       } else if (aResultShape->isSame(*anIt)) {
 686         // keep the modification evolution on the root level (2241 - history propagation issue)
 687         TNaming_Builder* aBuilder = builder(0);
 688         TDF_Label aShapeLab = aBuilder->NamedShape()->Label();
 689         Handle(TDF_Reference) aRef;
 690         // Store only in case if it does not have reference.
 691         if (!aShapeLab.FindAttribute(TDF_Reference::GetID(), aRef)) {
 692           if (theIsStoreAsGenerated) {
 693             TNaming_Builder* aBuilder = builder(0);
 694             if (!aBuilder->NamedShape().IsNull() &&
 695                 aBuilder->NamedShape()->Evolution() != TNaming_GENERATED) {
 696               myBuilders.erase(0); // clear old builder to avoid different evolutions crash
 697             }
 698             builder(0)->Generated(aRoot, aNewShape);
 699           } else {
 700             TNaming_Builder* aBuilder = builder(0);
 701             if (!aBuilder->NamedShape().IsNull() &&
 702               aBuilder->NamedShape()->Evolution() != TNaming_MODIFY) {
 703               myBuilders.erase(0); // clear old builder to avoid different evolutions crash
 704             }
 705             builder(0)->Modify(aRoot, aNewShape);
 706           }
 707         }
 708       }
 709     }
 710   }
 711 }
 712
 713 void Model_BodyBuilder::loadAndOrientGeneratedShapes (
 714   GeomAlgoAPI_MakeShape* theMS,
 715   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 716   const int  theKindOfShape,
 717   const int  theTag,
 718   const std::string& theName,
 719   GeomAPI_DataMapOfShapeShape& theSubShapes)
 720 {
 721   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 722   TopTools_MapOfShape aView;
 723   bool isBuilt = !theName.empty();
 724   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 725   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
 726     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
 727     if (!aView.Add(aRoot)) continue;
 728     //if (TNaming_Tool::NamedShape(aRoot, builder(theTag)->NamedShape()->Label()).IsNull())
 729     //  continue; // there is no sense to write history if old shape does not exist in the document
 730     ListOfShape aList;
 731     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 732     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 733     theMS->generated(aRShape, aList);
 734     keepTopLevelShapes(aList, aRoot);
 735     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator
 736       anIt = aList.begin(), aLast = aList.end();
 737     for (; anIt != aLast; anIt++) {
 738       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 739       if (theSubShapes.isBound(*anIt)) {
 740         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
 741         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
 742       }
 743       if (!aRoot.IsSame (aNewShape)) {
 744         builder(theTag)->Generated(aRoot,aNewShape);
 745         if(isBuilt)
 746           buildName(theTag, theName);
 747       }
 748       TopAbs_ShapeEnum aGenShapeType = aNewShape.ShapeType();
 749       if(aGenShapeType == TopAbs_WIRE || aGenShapeType == TopAbs_SHELL) {
 750         TopAbs_ShapeEnum anExplodeShapeType =
 751           aGenShapeType == TopAbs_WIRE ? TopAbs_EDGE : TopAbs_FACE;
 752         const TDF_Label aLabel = builder(theTag)->NamedShape()->Label();
 753         int aTag = 1;
 754         std::shared_ptr<Model_Document> aDoc =
 755           std::dynamic_pointer_cast<Model_Document>(document());
 756         for(TopExp_Explorer anExp(aNewShape, anExplodeShapeType); anExp.More(); anExp.Next()) {
 757           TDF_Label aChildLabel = aLabel.FindChild(aTag);
 758           TNaming_Builder aBuilder(aChildLabel);
 759           aBuilder.Generated(aRoot, anExp.Current());
 760           TCollection_AsciiString aChildName =
 761             TCollection_AsciiString((theName + "_").c_str()) + aTag;
 762           TDataStd_Name::Set(aChildLabel, aChildName.ToCString());
 763           aTag++;
 764         }
 765       }
 766     }
 767   }
 768 }
 769
 770 //=======================================================================
 771 int getDangleShapes(const TopoDS_Shape&           theShapeIn,
 772   const TopAbs_ShapeEnum        theGeneratedFrom,
 773   TopTools_DataMapOfShapeShape& theDangles)
 774 {
 775   theDangles.Clear();
 776   TopTools_IndexedDataMapOfShapeListOfShape subShapeAndAncestors;
 777   TopAbs_ShapeEnum GeneratedTo;
 778   if (theGeneratedFrom == TopAbs_FACE) GeneratedTo = TopAbs_EDGE;
 779   else if (theGeneratedFrom == TopAbs_EDGE) GeneratedTo = TopAbs_VERTEX;
 780   else return Standard_False;
 781   TopExp::MapShapesAndAncestors(theShapeIn, GeneratedTo, theGeneratedFrom, subShapeAndAncestors);
 782   for (Standard_Integer i = 1; i <= subShapeAndAncestors.Extent(); i++) {
 783     const TopoDS_Shape& mayBeDangle = subShapeAndAncestors.FindKey(i);
 784     const TopTools_ListOfShape& ancestors = subShapeAndAncestors.FindFromIndex(i);
 785     if (ancestors.Extent() == 1) theDangles.Bind(ancestors.First(), mayBeDangle);
 786   }
 787   return theDangles.Extent();
 788 }
 789
 790 //=======================================================================
 791 void loadGeneratedDangleShapes(
 792   const TopoDS_Shape&      theShapeIn,
 793   const TopAbs_ShapeEnum   theGeneratedFrom,
 794   TNaming_Builder *        theBuilder)
 795 {
 796   TopTools_DataMapOfShapeShape dangles;
 797   if (!getDangleShapes(theShapeIn, theGeneratedFrom, dangles)) return;
 798   TopTools_DataMapIteratorOfDataMapOfShapeShape itr(dangles);
 799   for (; itr.More(); itr.Next())
 800     theBuilder->Generated(itr.Key(), itr.Value());
 801 }
 802
 803 //=======================================================================
 804 void Model_BodyBuilder::loadNextLevels(std::shared_ptr<GeomAPI_Shape> theShape,
 805   const std::string& theName, int&  theTag)
 806 {
 807   if(theShape->isNull()) return;
 808   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 809   std::string aName;
 810   if (aShape.ShapeType() == TopAbs_SOLID) {
 811     TopExp_Explorer expl(aShape, TopAbs_FACE);
 812     for (; expl.More(); expl.Next()) {
 813       builder(theTag)->Generated(expl.Current());
 814       TCollection_AsciiString aStr(theTag);
 815       aName = theName + aStr.ToCString();
 816       buildName(theTag, aName);
 817       theTag++;
 818     }
 819   }
 820   else if (aShape.ShapeType() == TopAbs_SHELL || aShape.ShapeType() == TopAbs_FACE) {
 821     // load faces and all the free edges
 822     TopTools_IndexedMapOfShape Faces;
 823     TopExp::MapShapes(aShape, TopAbs_FACE, Faces);
 824     if (Faces.Extent() > 1 || (aShape.ShapeType() == TopAbs_SHELL && Faces.Extent() == 1)) {
 825       TopExp_Explorer expl(aShape, TopAbs_FACE);
 826       for (; expl.More(); expl.Next()) {
 827         builder(theTag)->Generated(expl.Current());
 828         TCollection_AsciiString aStr(theTag);
 829         aName = theName + aStr.ToCString();
 830         buildName(theTag, aName);
 831         theTag++;
 832       }
 833     }
 834     TopTools_IndexedDataMapOfShapeListOfShape anEdgeAndNeighbourFaces;
 835     TopExp::MapShapesAndAncestors(aShape, TopAbs_EDGE, TopAbs_FACE, anEdgeAndNeighbourFaces);
 836     for (Standard_Integer i = 1; i <= anEdgeAndNeighbourFaces.Extent(); i++)
 837     {
 838       const TopTools_ListOfShape& aLL = anEdgeAndNeighbourFaces.FindFromIndex(i);
 839       if (aLL.Extent() < 2) {
 840         if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeAndNeighbourFaces.FindKey(i))))
 841           continue;
 842         builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
 843         TCollection_AsciiString aStr(theTag);
 844         aName = theName + aStr.ToCString();
 845         buildName(theTag, aName);
 846         theTag++;
 847       } else {
 848         TopTools_ListIteratorOfListOfShape anIter(aLL);
 849         const TopoDS_Face& aFace = TopoDS::Face(anIter.Value());
 850         anIter.Next();
 851         if(aFace.IsEqual(anIter.Value())) {
 852           builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
 853           TCollection_AsciiString aStr(theTag);
 854           aName = theName + aStr.ToCString();
 855           buildName(theTag, aName);
 856           theTag++;
 857         }
 858       }
 859     }
 860   } else if (aShape.ShapeType() == TopAbs_WIRE) {
 861     TopTools_IndexedMapOfShape Edges;
 862     BRepTools::Map3DEdges(aShape, Edges);
 863     if (Edges.Extent() == 1) {
 864       builder(theTag++)->Generated(Edges.FindKey(1));
 865       TopExp_Explorer expl(aShape, TopAbs_VERTEX);
 866       for (; expl.More(); expl.Next()) {
 867         builder(theTag)->Generated(expl.Current());
 868         TCollection_AsciiString aStr(theTag);
 869         aName = theName + aStr.ToCString();
 870         buildName(theTag, aName);
 871         theTag++;
 872       }
 873     } else {
 874       TopExp_Explorer expl(aShape, TopAbs_EDGE);
 875       for (; expl.More(); expl.Next()) {
 876         builder(theTag)->Generated(expl.Current());
 877         TCollection_AsciiString aStr(theTag);
 878         aName = theName + aStr.ToCString();
 879         buildName(theTag, aName);
 880         theTag++;
 881       }
 882       // and load generated vertices.
 883       TopTools_DataMapOfShapeShape generated;
 884       if (getDangleShapes(aShape, TopAbs_EDGE, generated))
 885       {
 886         TNaming_Builder* pBuilder = builder(theTag++);
 887         loadGeneratedDangleShapes(aShape, TopAbs_EDGE, pBuilder);
 888       }
 889     }
 890   } else if (aShape.ShapeType() == TopAbs_EDGE) {
 891     TopExp_Explorer expl(aShape, TopAbs_VERTEX);
 892     for (; expl.More(); expl.Next()) {
 893       builder(theTag)->Generated(expl.Current());
 894       TCollection_AsciiString aStr(theTag);
 895       aName = theName + aStr.ToCString();
 896       buildName(theTag, aName);
 897       theTag++;
 898     }
 899   }
 900 }
 901
 902 //=======================================================================
 903 int findAmbiguities(const TopoDS_Shape&           theShapeIn,
 904   TopTools_ListOfShape&   theList)
 905 {
 906   theList.Clear();
 907   // edges -> ancestor faces list
 908   TopTools_IndexedDataMapOfShapeListOfShape aSubShapeAndAncestors;
 909   TopExp::MapShapesAndAncestors(theShapeIn, TopAbs_EDGE, TopAbs_FACE, aSubShapeAndAncestors);
 910   // keeps the shapes which are already in the resulting list
 911   TopTools_MapOfShape alreadyThere;
 912   // map from faces identifier (combination of hash-codes) to list of edges produced such ID
 913   NCollection_DataMap<int, NCollection_List<TopoDS_Shape> > aFacesIDs;
 914
 915   TopTools_IndexedDataMapOfShapeListOfShape::Iterator anAncestorsIter(aSubShapeAndAncestors);
 916   for (; anAncestorsIter.More(); anAncestorsIter.Next()) {
 917     const TopTools_ListOfShape& ancestors = anAncestorsIter.Value();
 918     if (ancestors.Extent() < 2)
 919       continue;
 920     Standard_Integer anID = 0;
 921     for(TopTools_ListIteratorOfListOfShape aFaceIt(ancestors); aFaceIt.More(); aFaceIt.Next()) {
 922       anID ^= HashCode(aFaceIt.ChangeValue(), 1990657); // Pierpont prime
 923     }
 924     if (aFacesIDs.IsBound(anID)) { // there found same edge, check they really have same faces
 925       const NCollection_List<TopoDS_Shape>& aSameFaces1 =
 926         aSubShapeAndAncestors.FindFromKey(anAncestorsIter.Key());
 927       NCollection_List<TopoDS_Shape>::Iterator aSameEdge(aFacesIDs.ChangeFind(anID));
 928       for(; aSameEdge.More(); aSameEdge.Next()) {
 929         const NCollection_List<TopoDS_Shape>& aSameFaces2 =
 930           aSubShapeAndAncestors.FindFromKey(aSameEdge.Value());
 931         if (aSameFaces2.Extent() != aSameFaces1.Extent()) // the number of faces is different
 932           break;
 933
 934         NCollection_List<TopoDS_Shape>::Iterator aFaceIter1(aSameFaces1);
 935         for(; aFaceIter1.More(); aFaceIter1.Next()) {
 936           NCollection_List<TopoDS_Shape>::Iterator aFaceIter2(aSameFaces2);
 937           for(; aFaceIter2.More(); aFaceIter2.Next()) {
 938             if (aFaceIter1.Value().IsSame(aFaceIter2.Value()))
 939               break;
 940           }
 941           if (!aFaceIter2.More()) // aFaceIter1 contains a face, which is not in aFaceIter2
 942             break;
 943         }
 944         if (!aFaceIter1.More()) { // all the faces are same => put to the result
 945           if (alreadyThere.Add(aSameEdge.Value()))
 946             theList.Append(aSameEdge.Value());
 947           if (alreadyThere.Add(anAncestorsIter.Key()))
 948             theList.Append(anAncestorsIter.Key());
 949         }
 950       }
 951     } else { // ID is unique, just add this edge
 952       aFacesIDs.Bind(anID, NCollection_List<TopoDS_Shape>());
 953     }
 954     aFacesIDs.ChangeFind(anID).Append(anAncestorsIter.Key()); // add to the list anyway
 955   }
 956   return theList.Extent();
 957 }
 958
 959 //=======================================================================
 960 void Model_BodyBuilder::loadFirstLevel(
 961   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
 962 {
 963   if(theShape->isNull()) return;
 964   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 965   std::string aName;
 966   if (aShape.ShapeType() == TopAbs_COMPOUND || aShape.ShapeType() == TopAbs_COMPSOLID) {
 967     TopoDS_Iterator itr(aShape);
 968     for (; itr.More(); itr.Next()) {
 969       builder(theTag)->Generated(itr.Value());
 970       TCollection_AsciiString aStr(theTag);
 971       aName = theName + aStr.ToCString();
 972       buildName(theTag, aName);
 973       if(!theName.empty()) buildName(theTag, aName);
 974       theTag++;
 975       if (itr.Value().ShapeType() == TopAbs_COMPOUND ||
 976         itr.Value().ShapeType() == TopAbs_COMPSOLID)
 977       {
 978         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 979         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
 980         loadFirstLevel(itrShape, theName, theTag);
 981       } else {
 982         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 983         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
 984         loadNextLevels(itrShape, theName, theTag);
 985       }
 986     }
 987   } else {
 988     std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 989     itrShape->setImpl(new TopoDS_Shape(aShape));
 990     loadNextLevels(itrShape, theName, theTag);
 991   }
 992   TopTools_ListOfShape   aList;
 993   if(findAmbiguities(aShape, aList)) {
 994     TopTools_ListIteratorOfListOfShape it(aList);
 995     for (; it.More(); it.Next(),theTag++) {
 996       builder(theTag)->Generated(it.Value());
 997       TCollection_AsciiString aStr(theTag);
 998       aName = theName + aStr.ToCString();
 999       buildName(theTag, aName);
1000     }
1001   }
1002 }
1003
1004 //=======================================================================
1005 void Model_BodyBuilder::loadDisconnectedEdges(
1006   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
1007 {
1008   if(theShape->isNull()) return;
1009   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
1010   TopTools_DataMapOfShapeListOfShape edgeNaborFaces;
1011   TopTools_ListOfShape empty;
1012   TopExp_Explorer explF(aShape, TopAbs_FACE);
1013   for (; explF.More(); explF.Next()) {
1014     const TopoDS_Shape& aFace = explF.Current();
1015     TopExp_Explorer explV(aFace, TopAbs_EDGE);
1016     for (; explV.More(); explV.Next()) {
1017       const TopoDS_Shape& anEdge = explV.Current();
1018       if (!edgeNaborFaces.IsBound(anEdge)) edgeNaborFaces.Bind(anEdge, empty);
1019       Standard_Boolean faceIsNew = Standard_True;
1020       TopTools_ListIteratorOfListOfShape itrF(edgeNaborFaces.Find(anEdge));
1021       for (; itrF.More(); itrF.Next()) {
1022         if (itrF.Value().IsSame(aFace)) {
1023           faceIsNew = Standard_False;
1024           break;
1025         }
1026       }
1027       if (faceIsNew)
1028         edgeNaborFaces.ChangeFind(anEdge).Append(aFace);
1029     }
1030   }
1031
1032   TopTools_MapOfShape anEdgesToDelete;
1033   TopExp_Explorer anEx(aShape,TopAbs_EDGE);
1034   std::string aName;
1035   for(;anEx.More();anEx.Next()) {
1036     Standard_Boolean aC0 = Standard_False;
1037     TopoDS_Shape anEdge1 = anEx.Current();
1038     if (edgeNaborFaces.IsBound(anEdge1)) {
1039       const TopTools_ListOfShape& aList1 = edgeNaborFaces.Find(anEdge1);
1040       if (aList1.Extent()<2) continue;
1041       TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(edgeNaborFaces);
1042       for (; itr.More(); itr.Next()) {
1043         TopoDS_Shape anEdge2 = itr.Key();
1044         if(anEdgesToDelete.Contains(anEdge2)) continue;
1045         if (anEdge1.IsSame(anEdge2)) continue;
1046         const TopTools_ListOfShape& aList2 = itr.Value();
1047         // compare lists of the neighbour faces of edge1 and edge2
1048         if (aList1.Extent() == aList2.Extent()) {
1049           Standard_Integer aMatches = 0;
1050           for(TopTools_ListIteratorOfListOfShape aLIter1(aList1);aLIter1.More();aLIter1.Next())
1051             for(TopTools_ListIteratorOfListOfShape aLIter2(aList2);aLIter2.More();aLIter2.Next())
1052               if (aLIter1.Value().IsSame(aLIter2.Value())) aMatches++;
1053           if (aMatches == aList1.Extent()) {
1054             aC0=Standard_True;
1055             builder(theTag)->Generated(anEdge2);
1056             anEdgesToDelete.Add(anEdge2);
1057             TCollection_AsciiString aStr(theTag);
1058             aName = theName + aStr.ToCString();
1059             buildName(theTag, aName);
1060             theTag++;
1061           }
1062         }
1063       }
1064       TopTools_MapIteratorOfMapOfShape itDelete(anEdgesToDelete);
1065       for(;itDelete.More();itDelete.Next())
1066         edgeNaborFaces.UnBind(itDelete.Key());
1067       edgeNaborFaces.UnBind(anEdge1);
1068     }
1069     if (aC0) {
1070       builder(theTag)->Generated(anEdge1);
1071       TCollection_AsciiString aStr(theTag);
1072       aName = theName + aStr.ToCString();
1073       buildName(theTag, aName);
1074       theTag++;
1075     }
1076   }
1077 }
1078
1079 void Model_BodyBuilder::loadDisconnectedVertexes(std::shared_ptr<GeomAPI_Shape> theShape,
1080                                                  const std::string& theName, int&  theTag)
1081 {
1082   if(theShape->isNull()) return;
1083   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
1084   TopTools_DataMapOfShapeListOfShape vertexNaborEdges;
1085   TopTools_ListOfShape empty;
1086   TopExp_Explorer explF(aShape, TopAbs_EDGE);
1087   for (; explF.More(); explF.Next()) {
1088     const TopoDS_Shape& anEdge = explF.Current();
1089     TopExp_Explorer explV(anEdge, TopAbs_VERTEX);
1090     for (; explV.More(); explV.Next()) {
1091       const TopoDS_Shape& aVertex = explV.Current();
1092       if (!vertexNaborEdges.IsBound(aVertex)) vertexNaborEdges.Bind(aVertex, empty);
1093       Standard_Boolean faceIsNew = Standard_True;
1094       TopTools_ListIteratorOfListOfShape itrF(vertexNaborEdges.Find(aVertex));
1095       for (; itrF.More(); itrF.Next()) {
1096         if (itrF.Value().IsSame(anEdge)) {
1097           faceIsNew = Standard_False;
1098           break;
1099         }
1100       }
1101       if (faceIsNew) {
1102         vertexNaborEdges.ChangeFind(aVertex).Append(anEdge);
1103       }
1104     }
1105   }
1106   std::string aName;
1107   TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(vertexNaborEdges);
1108   for (; itr.More(); itr.Next()) {
1109     const TopTools_ListOfShape& naborEdges = itr.Value();
1110     if (naborEdges.Extent() < 2) {
1111       builder(theTag)->Generated(itr.Key());
1112       TCollection_AsciiString aStr(theTag);
1113       aName = theName + aStr.ToCString();
1114       buildName(theTag, aName);
1115       theTag++;
1116     }
1117   }
1118 }
1119
1120 std::shared_ptr<GeomAPI_Shape> Model_BodyBuilder::shape()
1121 {
1122   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
1123   if (aData && aData->isValid()) {
1124     TDF_Label aShapeLab = aData->shapeLab();
1125     Handle(TDF_Reference) aRef;
1126     if (aShapeLab.FindAttribute(TDF_Reference::GetID(), aRef)) {
1127       aShapeLab = aRef->Get();
1128     }
1129     Handle(TNaming_NamedShape) aName;
1130     if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
1131       TopoDS_Shape aShape = aName->Get();
1132       if (!aShape.IsNull()) {
1133         std::shared_ptr<GeomAPI_Shape> aRes(new GeomAPI_Shape);
1134         aRes->setImpl(new TopoDS_Shape(aShape));
1135         return aRes;
1136       }
1137     }
1138   }
1139   return std::shared_ptr<GeomAPI_Shape>();
1140 }
1141
1142 bool Model_BodyBuilder::isLatestEqual(const std::shared_ptr<GeomAPI_Shape>& theShape)
1143 {
1144   if (theShape.get()) {
1145     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
1146     std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
1147     if (aData) {
1148       TDF_Label& aShapeLab = aData->shapeLab();
1149       Handle(TNaming_NamedShape) aName;
1150       if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
1151         TopoDS_Shape aLatest = TNaming_Tool::CurrentShape(aName);
1152         if (aLatest.IsNull())
1153           return false;
1154         if (aLatest.IsEqual(aShape))
1155           return true;
1156         // check sub-shapes for comp-solids:
1157         for (TopExp_Explorer anExp(aShape, aLatest.ShapeType()); anExp.More(); anExp.Next()) {
1158           if (aLatest.IsEqual(anExp.Current()))
1159             return true;
1160         }
1161       }
1162     }
1163   }
1164   return false;
1165 }