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     if (theDecomposeSolidsTag != -2)
 219       clean();
 220     // store the new shape as primitive
 221     TNaming_Builder aBuilder(aShapeLab);
 222     if (!theOldShape || !theNewShape)
 223       return;  // bad shape
 224     TopoDS_Shape aShapeOld = theOldShape->impl<TopoDS_Shape>();
 225     if (aShapeOld.IsNull())
 226       return;  // null shape inside
 227     TopoDS_Shape aShapeNew = theNewShape->impl<TopoDS_Shape>();
 228     if (aShapeNew.IsNull())
 229       return;  // null shape inside
 230     aBuilder.Modify(aShapeOld, aShapeNew);
 231     if(!aBuilder.NamedShape()->IsEmpty()) {
 232       Handle(TDataStd_Name) anAttr;
 233       if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
 234         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
 235         if(!aName.empty()) {
 236           std::shared_ptr<Model_Document> aDoc =
 237             std::dynamic_pointer_cast<Model_Document>(document());
 238           aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
 239         }
 240       }
 241     }
 242   }
 243 }
 244
 245 void  Model_BodyBuilder::storeWithoutNaming(const std::shared_ptr<GeomAPI_Shape>& theShape)
 246 {
 247   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 248   if (aData) {
 249     clean();
 250     if (!theShape.get())
 251       return; // bad shape
 252     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 253     if (aShape.IsNull())
 254       return;  // null shape inside
 255     TNaming_Builder aBuilder(aData->shapeLab());
 256     aBuilder.Select(aShape, aShape);
 257   }
 258 }
 259
 260 void Model_BodyBuilder::clean()
 261 {
 262   TDF_Label aLab = std::dynamic_pointer_cast<Model_Data>(data())->shapeLab();
 263   if (aLab.IsNull())
 264     return;
 265   std::map<int, TNaming_Builder*>::iterator aBuilder = myBuilders.begin();
 266   for(; aBuilder != myBuilders.end(); aBuilder++) {
 267     delete aBuilder->second;
 268     // clear also shapes on cleaned sub-labels (#2241)
 269     Handle(TNaming_NamedShape) aNS;
 270     if (aLab.FindChild(aBuilder->first).FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
 271       aNS->Clear();
 272     }
 273   }
 274   myBuilders.clear();
 275   // remove the old reference (if any)
 276   aLab.ForgetAttribute(TDF_Reference::GetID());
 277 }
 278
 279 Model_BodyBuilder::~Model_BodyBuilder()
 280 {
 281   clean();
 282 }
 283
 284 TNaming_Builder* Model_BodyBuilder::builder(const int theTag)
 285 {
 286   std::map<int, TNaming_Builder*>::iterator aFind = myBuilders.find(theTag);
 287   if (aFind == myBuilders.end()) {
 288     std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 289     myBuilders[theTag] = new TNaming_Builder(
 290       theTag == 0 ? aData->shapeLab() : aData->shapeLab().FindChild(theTag));
 291     aFind = myBuilders.find(theTag);
 292   }
 293   return aFind->second;
 294 }
 295
 296 void Model_BodyBuilder::buildName(const int theTag, const std::string& theName)
 297 {
 298   std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
 299   //aDoc->addNamingName(builder(theTag)->NamedShape()->Label(), theName);
 300   TDataStd_Name::Set(builder(theTag)->NamedShape()->Label(), theName.c_str());
 301 }
 302 void Model_BodyBuilder::generated(
 303   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 304 {
 305   TopoDS_Shape aShape = theNewShape->impl<TopoDS_Shape>();
 306   builder(theTag)->Generated(aShape);
 307   if(!theName.empty())
 308     buildName(theTag, theName);
 309 }
 310
 311 void Model_BodyBuilder::generated(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 312   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 313 {
 314   TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
 315   TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
 316   builder(theTag)->Generated(anOldShape, aNewShape);
 317   if(!theName.empty())
 318     buildName(theTag, theName);
 319   TopAbs_ShapeEnum aGenShapeType = aNewShape.ShapeType();
 320   if(aGenShapeType == TopAbs_WIRE || aGenShapeType == TopAbs_SHELL) {
 321     TopAbs_ShapeEnum anExplodeShapeType = aGenShapeType == TopAbs_WIRE ? TopAbs_EDGE : TopAbs_FACE;
 322     const TDF_Label aLabel = builder(theTag)->NamedShape()->Label();
 323     int aTag = 1;
 324     std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
 325     for(TopExp_Explorer anExp(aNewShape, anExplodeShapeType); anExp.More(); anExp.Next()) {
 326       TDF_Label aChildLabel = aLabel.FindChild(aTag);
 327       TNaming_Builder aBuilder(aChildLabel);
 328       aBuilder.Generated(anOldShape, anExp.Current());
 329       TCollection_AsciiString aChildName = TCollection_AsciiString((theName + "_").c_str()) + aTag;
 330       //aDoc->addNamingName(aChildLabel, aChildName.ToCString());
 331       TDataStd_Name::Set(aChildLabel, aChildName.ToCString());
 332       aTag++;
 333     }
 334   }
 335 }
 336
 337
 338 void Model_BodyBuilder::modified(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 339   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 340 {
 341   TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
 342   TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
 343   builder(theTag)->Modify(anOldShape, aNewShape);
 344   if(!theName.empty())
 345     buildName(theTag, theName);
 346 }
 347
 348 void Model_BodyBuilder::deleted(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 349   const int theTag)
 350 {
 351   TopoDS_Shape aShape = theOldShape->impl<TopoDS_Shape>();
 352   builder(theTag)->Delete(aShape);
 353 }
 354
 355 void Model_BodyBuilder::loadDeletedShapes (GeomAlgoAPI_MakeShape* theMS,
 356   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 357   const int  theKindOfShape,
 358   const int  theTag)
 359 {
 360   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 361   TopTools_MapOfShape aView;
 362   TopExp_Explorer ShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 363   for (; ShapeExplorer.More(); ShapeExplorer.Next ()) {
 364     const TopoDS_Shape& aRoot = ShapeExplorer.Current ();
 365     if (!aView.Add(aRoot)) continue;
 366     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 367     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 368     if (theMS->isDeleted (aRShape)) {
 369       builder(theTag)->Delete(aRoot);
 370     }
 371   }
 372 }
 373
 374 // Keep only the shapes with minimal shape type
 375 static void keepTopLevelShapes(ListOfShape& theShapes, const TopoDS_Shape& theRoot,
 376   const GeomShapePtr& theResultShape = GeomShapePtr())
 377 {
 378   GeomAPI_Shape::ShapeType aKeepShapeType = GeomAPI_Shape::SHAPE;
 379   ListOfShape::iterator anIt = theShapes.begin();
 380   while (anIt != theShapes.end()) {
 381     TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 382     if (theRoot.IsSame(aNewShape) || (theResultShape &&
 383         (!theResultShape->isSubShape(*anIt, false) || theResultShape->isSame(*anIt)))) {
 384       ListOfShape::iterator aRemoveIt = anIt++;
 385       theShapes.erase(aRemoveIt);
 386     } else {
 387       GeomAPI_Shape::ShapeType aType = (*anIt)->shapeType();
 388       if (aType < aKeepShapeType) {
 389         // found a shape with lesser shape type => remove all previous shapes
 390         aKeepShapeType = aType;
 391         theShapes.erase(theShapes.begin(), anIt);
 392         ++anIt;
 393       } else if (aType > aKeepShapeType) {
 394         // shapes with greater shape type should be removed from the list
 395         ListOfShape::iterator aRemoveIt = anIt++;
 396         theShapes.erase(aRemoveIt);
 397       } else
 398         ++anIt;
 399     }
 400   }
 401 }
 402
 403 // returns an ancestor shape-type thaty used for naming-definition of the sub-type
 404 TopAbs_ShapeEnum typeOfAncestor(const TopAbs_ShapeEnum theSubType) {
 405   if (theSubType == TopAbs_VERTEX)
 406     return TopAbs_EDGE;
 407   if (theSubType == TopAbs_EDGE)
 408     return TopAbs_FACE;
 409   return TopAbs_VERTEX; // bad case
 410 }
 411
 412 void Model_BodyBuilder::loadAndOrientModifiedShapes (
 413   GeomAlgoAPI_MakeShape* theMS,
 414   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 415   const int  theKindOfShape,
 416   const int  theTag,
 417   const std::string& theName,
 418   GeomAPI_DataMapOfShapeShape& theSubShapes,
 419   const bool theIsStoreSeparate,
 420   const bool theIsStoreAsGenerated)
 421 {
 422   int anIndex = 1;
 423   int aTag = theTag;
 424   bool isBuilt = !theName.empty();
 425   std::string aName = theName;
 426   std::ostringstream aStream;
 427   GeomShapePtr aResultShape = shape();
 428   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 429   TopTools_MapOfShape aView;
 430   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 431   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 432   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
 433     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
 434     if (!aView.Add(aRoot)) continue;
 435
 436     bool aNotInTree =
 437       TNaming_Tool::NamedShape(aRoot, aData->shapeLab()).IsNull();
 438     if (aNotInTree && !theIsStoreSeparate) {
 439       // there is no sense to write history if old shape does not exist in the document
 440       continue; // but if it is stored separately, it will be builded as a primitive
 441     }
 442     ListOfShape aList;
 443     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 444     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 445     theMS->modified(aRShape, aList);
 446     if (!theIsStoreSeparate)
 447       keepTopLevelShapes(aList, aRoot, aResultShape);
 448     // sort the list of images before naming
 449     GeomAlgoAPI_SortListOfShapes::sort(aList);
 450
 451     // to trace situation where several objects are produced by one parent (#2317)
 452     int aSameParentShapes = -1;
 453     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator
 454       anIt = aList.begin(), aLast = aList.end();
 455     for (; anIt != aLast; anIt++) {
 456       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 457       if (theSubShapes.isBound(*anIt)) {
 458         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
 459         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
 460       }
 461       GeomShapePtr aGeomNewShape(new GeomAPI_Shape());
 462       aGeomNewShape->setImpl(new TopoDS_Shape(aNewShape));
 463       if(!aRoot.IsSame(aNewShape) && aResultShape->isSubShape(aGeomNewShape, false) &&
 464          !aResultShape->isSame(*anIt)) { // to avoid put of same shape on main label and sub
 465         int aBuilderTag = aTag;
 466         if (!theIsStoreSeparate) {
 467           aSameParentShapes++;
 468         } else if (aNotInTree) { // check this new shape can not be represented as
 469           // a sub-shape of higher level sub-shapes
 470           TopAbs_ShapeEnum aNewType = aNewShape.ShapeType();
 471           TopAbs_ShapeEnum anAncestorType = typeOfAncestor(aNewType);
 472           if (anAncestorType != TopAbs_VERTEX) {
 473             bool aFound = false;
 474             TopoDS_Shape aResultTShape = aResultShape->impl<TopoDS_Shape>();
 475             TopExp_Explorer anAncestorExp(aResultTShape, anAncestorType);
 476             for(; anAncestorExp.More() && !aFound; anAncestorExp.Next()) {
 477               if (aResultTShape.IsSame(anAncestorExp.Current()))
 478                 continue;
 479               TopExp_Explorer aSubExp(anAncestorExp.Current(), aNewType);
 480               for(; aSubExp.More(); aSubExp.Next()) {
 481                 if (aNewShape.IsSame(aSubExp.Current())) {
 482                   aFound = true;
 483                   break;
 484                 }
 485               }
 486             }
 487             if (aFound) {
 488               continue; // not need to store this shape in the BRep structure
 489             }
 490           }
 491         }
 492
 493         static const int THE_ANCHOR_TAG = 100000;
 494         int aCurShapeType = (int)((*anIt)->shapeType());
 495         bool needSuffix = false; // suffix for the name based on the shape type
 496         if (aSameParentShapes > 0) { // store in other label
 497           aBuilderTag = THE_ANCHOR_TAG - aSameParentShapes * 10 - aCurShapeType;
 498           needSuffix = true;
 499         } else if (aCurShapeType != theKindOfShape) {
 500           // modified shape has different type => set another tag
 501           // to avoid shapes of different types on the same label
 502           aBuilderTag = THE_ANCHOR_TAG - aCurShapeType;
 503           needSuffix = true;
 504         }
 505         std::string aSuffix;
 506         if (needSuffix) {
 507           switch (aCurShapeType) {
 508           case GeomAPI_Shape::VERTEX: aSuffix = "_v"; break;
 509           case GeomAPI_Shape::EDGE:   aSuffix = "_e"; break;
 510           case GeomAPI_Shape::FACE:   aSuffix = "_f"; break;
 511           default: break;
 512           }
 513         }
 514
 515         if(theIsStoreAsGenerated) {
 516           // Here we store shapes as generated, to avoid problem when one parent shape produce
 517           // several child shapes. In this case naming could not determine which shape to select.
 518           builder(aBuilderTag)->Generated(aRoot, aNewShape);
 519         } else if (aNotInTree) {
 520           // not in tree -> store as primitive (stored as separated)
 521           builder(aBuilderTag)->Generated(aNewShape);
 522         } else if (aNewShape.ShapeType() > aRoot.ShapeType()) {
 523            // if lower-level type is produced, make it as generated
 524           builder(aBuilderTag)->Generated(aRoot, aNewShape);
 525         } else {
 526           builder(aBuilderTag)->Modify(aRoot, aNewShape);
 527         }
 528         if(isBuilt) {
 529           aStream.str(std::string());
 530           aStream.clear();
 531           aStream << theName;
 532           if(theIsStoreSeparate)
 533              aStream << "_" << anIndex++;
 534
 535           if (aSameParentShapes > 0) {
 536             aStream.str(std::string());
 537             aStream.clear();
 538             aStream << aName << "_" << aSameParentShapes << "divided";
 539           }
 540
 541           aStream << aSuffix;
 542           buildName(aBuilderTag, aStream.str());
 543         }
 544         if(theIsStoreSeparate) {
 545           aTag++;
 546         }
 547       } else if (aResultShape->isSame(*anIt)) {
 548         // keep the modification evolution on the root level (2241 - history propagation issue)
 549         if(theIsStoreAsGenerated) {
 550           builder(0)->Generated(aRoot, aNewShape);
 551         } else {
 552           builder(0)->Modify(aRoot, aNewShape);
 553         }
 554       }
 555     }
 556   }
 557 }
 558
 559 void Model_BodyBuilder::loadAndOrientGeneratedShapes (
 560   GeomAlgoAPI_MakeShape* theMS,
 561   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 562   const int  theKindOfShape,
 563   const int  theTag,
 564   const std::string& theName,
 565   GeomAPI_DataMapOfShapeShape& theSubShapes)
 566 {
 567   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 568   TopTools_MapOfShape aView;
 569   bool isBuilt = !theName.empty();
 570   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 571   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
 572     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
 573     if (!aView.Add(aRoot)) continue;
 574     //if (TNaming_Tool::NamedShape(aRoot, builder(theTag)->NamedShape()->Label()).IsNull())
 575     //  continue; // there is no sense to write history if old shape does not exist in the document
 576     ListOfShape aList;
 577     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 578     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 579     theMS->generated(aRShape, aList);
 580     keepTopLevelShapes(aList, aRoot);
 581     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator
 582       anIt = aList.begin(), aLast = aList.end();
 583     for (; anIt != aLast; anIt++) {
 584       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 585       if (theSubShapes.isBound(*anIt)) {
 586         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
 587         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
 588       }
 589       if (!aRoot.IsSame (aNewShape)) {
 590         builder(theTag)->Generated(aRoot,aNewShape);
 591         if(isBuilt)
 592           buildName(theTag, theName);
 593       }
 594       TopAbs_ShapeEnum aGenShapeType = aNewShape.ShapeType();
 595       if(aGenShapeType == TopAbs_WIRE || aGenShapeType == TopAbs_SHELL) {
 596         TopAbs_ShapeEnum anExplodeShapeType =
 597           aGenShapeType == TopAbs_WIRE ? TopAbs_EDGE : TopAbs_FACE;
 598         const TDF_Label aLabel = builder(theTag)->NamedShape()->Label();
 599         int aTag = 1;
 600         std::shared_ptr<Model_Document> aDoc =
 601           std::dynamic_pointer_cast<Model_Document>(document());
 602         for(TopExp_Explorer anExp(aNewShape, anExplodeShapeType); anExp.More(); anExp.Next()) {
 603           TDF_Label aChildLabel = aLabel.FindChild(aTag);
 604           TNaming_Builder aBuilder(aChildLabel);
 605           aBuilder.Generated(aRoot, anExp.Current());
 606           TCollection_AsciiString aChildName =
 607             TCollection_AsciiString((theName + "_").c_str()) + aTag;
 608           TDataStd_Name::Set(aChildLabel, aChildName.ToCString());
 609           aTag++;
 610         }
 611       }
 612     }
 613   }
 614 }
 615
 616 //=======================================================================
 617 int getDangleShapes(const TopoDS_Shape&           theShapeIn,
 618   const TopAbs_ShapeEnum        theGeneratedFrom,
 619   TopTools_DataMapOfShapeShape& theDangles)
 620 {
 621   theDangles.Clear();
 622   TopTools_IndexedDataMapOfShapeListOfShape subShapeAndAncestors;
 623   TopAbs_ShapeEnum GeneratedTo;
 624   if (theGeneratedFrom == TopAbs_FACE) GeneratedTo = TopAbs_EDGE;
 625   else if (theGeneratedFrom == TopAbs_EDGE) GeneratedTo = TopAbs_VERTEX;
 626   else return Standard_False;
 627   TopExp::MapShapesAndAncestors(theShapeIn, GeneratedTo, theGeneratedFrom, subShapeAndAncestors);
 628   for (Standard_Integer i = 1; i <= subShapeAndAncestors.Extent(); i++) {
 629     const TopoDS_Shape& mayBeDangle = subShapeAndAncestors.FindKey(i);
 630     const TopTools_ListOfShape& ancestors = subShapeAndAncestors.FindFromIndex(i);
 631     if (ancestors.Extent() == 1) theDangles.Bind(ancestors.First(), mayBeDangle);
 632   }
 633   return theDangles.Extent();
 634 }
 635
 636 //=======================================================================
 637 void loadGeneratedDangleShapes(
 638   const TopoDS_Shape&      theShapeIn,
 639   const TopAbs_ShapeEnum   theGeneratedFrom,
 640   TNaming_Builder *        theBuilder)
 641 {
 642   TopTools_DataMapOfShapeShape dangles;
 643   if (!getDangleShapes(theShapeIn, theGeneratedFrom, dangles)) return;
 644   TopTools_DataMapIteratorOfDataMapOfShapeShape itr(dangles);
 645   for (; itr.More(); itr.Next())
 646     theBuilder->Generated(itr.Key(), itr.Value());
 647 }
 648
 649 //=======================================================================
 650 void Model_BodyBuilder::loadNextLevels(std::shared_ptr<GeomAPI_Shape> theShape,
 651   const std::string& theName, int&  theTag)
 652 {
 653   if(theShape->isNull()) return;
 654   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 655   std::string aName;
 656   if (aShape.ShapeType() == TopAbs_SOLID) {
 657     TopExp_Explorer expl(aShape, TopAbs_FACE);
 658     for (; expl.More(); expl.Next()) {
 659       builder(theTag)->Generated(expl.Current());
 660       TCollection_AsciiString aStr(theTag);
 661       aName = theName + aStr.ToCString();
 662       buildName(theTag, aName);
 663       theTag++;
 664     }
 665   }
 666   else if (aShape.ShapeType() == TopAbs_SHELL || aShape.ShapeType() == TopAbs_FACE) {
 667     // load faces and all the free edges
 668     TopTools_IndexedMapOfShape Faces;
 669     TopExp::MapShapes(aShape, TopAbs_FACE, Faces);
 670     if (Faces.Extent() > 1 || (aShape.ShapeType() == TopAbs_SHELL && Faces.Extent() == 1)) {
 671       TopExp_Explorer expl(aShape, TopAbs_FACE);
 672       for (; expl.More(); expl.Next()) {
 673         builder(theTag)->Generated(expl.Current());
 674         TCollection_AsciiString aStr(theTag);
 675         aName = theName + aStr.ToCString();
 676         buildName(theTag, aName);
 677         theTag++;
 678       }
 679     }
 680     TopTools_IndexedDataMapOfShapeListOfShape anEdgeAndNeighbourFaces;
 681     TopExp::MapShapesAndAncestors(aShape, TopAbs_EDGE, TopAbs_FACE, anEdgeAndNeighbourFaces);
 682     for (Standard_Integer i = 1; i <= anEdgeAndNeighbourFaces.Extent(); i++)
 683     {
 684       const TopTools_ListOfShape& aLL = anEdgeAndNeighbourFaces.FindFromIndex(i);
 685       if (aLL.Extent() < 2) {
 686         if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeAndNeighbourFaces.FindKey(i))))
 687           continue;
 688         builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
 689         TCollection_AsciiString aStr(theTag);
 690         aName = theName + aStr.ToCString();
 691         buildName(theTag, aName);
 692         theTag++;
 693       } else {
 694         TopTools_ListIteratorOfListOfShape anIter(aLL);
 695         const TopoDS_Face& aFace = TopoDS::Face(anIter.Value());
 696         anIter.Next();
 697         if(aFace.IsEqual(anIter.Value())) {
 698           builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
 699           TCollection_AsciiString aStr(theTag);
 700           aName = theName + aStr.ToCString();
 701           buildName(theTag, aName);
 702           theTag++;
 703         }
 704       }
 705     }
 706   } else if (aShape.ShapeType() == TopAbs_WIRE) {
 707     TopTools_IndexedMapOfShape Edges;
 708     BRepTools::Map3DEdges(aShape, Edges);
 709     if (Edges.Extent() == 1) {
 710       builder(theTag++)->Generated(Edges.FindKey(1));
 711       TopExp_Explorer expl(aShape, TopAbs_VERTEX);
 712       for (; expl.More(); expl.Next()) {
 713         builder(theTag)->Generated(expl.Current());
 714         TCollection_AsciiString aStr(theTag);
 715         aName = theName + aStr.ToCString();
 716         buildName(theTag, aName);
 717         theTag++;
 718       }
 719     } else {
 720       TopExp_Explorer expl(aShape, TopAbs_EDGE);
 721       for (; expl.More(); expl.Next()) {
 722         builder(theTag)->Generated(expl.Current());
 723         TCollection_AsciiString aStr(theTag);
 724         aName = theName + aStr.ToCString();
 725         buildName(theTag, aName);
 726         theTag++;
 727       }
 728       // and load generated vertices.
 729       TopTools_DataMapOfShapeShape generated;
 730       if (getDangleShapes(aShape, TopAbs_EDGE, generated))
 731       {
 732         TNaming_Builder* pBuilder = builder(theTag++);
 733         loadGeneratedDangleShapes(aShape, TopAbs_EDGE, pBuilder);
 734       }
 735     }
 736   } else if (aShape.ShapeType() == TopAbs_EDGE) {
 737     TopExp_Explorer expl(aShape, TopAbs_VERTEX);
 738     for (; expl.More(); expl.Next()) {
 739       builder(theTag)->Generated(expl.Current());
 740       TCollection_AsciiString aStr(theTag);
 741       aName = theName + aStr.ToCString();
 742       buildName(theTag, aName);
 743       theTag++;
 744     }
 745   }
 746 }
 747
 748 //=======================================================================
 749 int findAmbiguities(const TopoDS_Shape&           theShapeIn,
 750   TopTools_ListOfShape&   theList)
 751 {
 752   theList.Clear();
 753   // edges -> ancestor faces list
 754   TopTools_IndexedDataMapOfShapeListOfShape aSubShapeAndAncestors;
 755   TopExp::MapShapesAndAncestors(theShapeIn, TopAbs_EDGE, TopAbs_FACE, aSubShapeAndAncestors);
 756   // keeps the shapes which are already in the resulting list
 757   TopTools_MapOfShape alreadyThere;
 758   // map from faces identifier (combination of hash-codes) to list of edges produced such ID
 759   NCollection_DataMap<int, NCollection_List<TopoDS_Shape> > aFacesIDs;
 760
 761   TopTools_IndexedDataMapOfShapeListOfShape::Iterator anAncestorsIter(aSubShapeAndAncestors);
 762   for (; anAncestorsIter.More(); anAncestorsIter.Next()) {
 763     const TopTools_ListOfShape& ancestors = anAncestorsIter.Value();
 764     if (ancestors.Extent() < 2)
 765       continue;
 766     Standard_Integer anID = 0;
 767     for(TopTools_ListIteratorOfListOfShape aFaceIt(ancestors); aFaceIt.More(); aFaceIt.Next()) {
 768       anID ^= HashCode(aFaceIt.ChangeValue(), 1990657); // Pierpont prime
 769     }
 770     if (aFacesIDs.IsBound(anID)) { // there found same edge, check they really have same faces
 771       const NCollection_List<TopoDS_Shape>& aSameFaces1 =
 772         aSubShapeAndAncestors.FindFromKey(anAncestorsIter.Key());
 773       NCollection_List<TopoDS_Shape>::Iterator aSameEdge(aFacesIDs.ChangeFind(anID));
 774       for(; aSameEdge.More(); aSameEdge.Next()) {
 775         const NCollection_List<TopoDS_Shape>& aSameFaces2 =
 776           aSubShapeAndAncestors.FindFromKey(aSameEdge.Value());
 777         if (aSameFaces2.Extent() != aSameFaces1.Extent()) // the number of faces is different
 778           break;
 779
 780         NCollection_List<TopoDS_Shape>::Iterator aFaceIter1(aSameFaces1);
 781         for(; aFaceIter1.More(); aFaceIter1.Next()) {
 782           NCollection_List<TopoDS_Shape>::Iterator aFaceIter2(aSameFaces2);
 783           for(; aFaceIter2.More(); aFaceIter2.Next()) {
 784             if (aFaceIter1.Value().IsSame(aFaceIter2.Value()))
 785               break;
 786           }
 787           if (!aFaceIter2.More()) // aFaceIter1 contains a face, which is not in aFaceIter2
 788             break;
 789         }
 790         if (!aFaceIter1.More()) { // all the faces are same => put to the result
 791           if (alreadyThere.Add(aSameEdge.Value()))
 792             theList.Append(aSameEdge.Value());
 793           if (alreadyThere.Add(anAncestorsIter.Key()))
 794             theList.Append(anAncestorsIter.Key());
 795         }
 796       }
 797     } else { // ID is unique, just add this edge
 798       aFacesIDs.Bind(anID, NCollection_List<TopoDS_Shape>());
 799     }
 800     aFacesIDs.ChangeFind(anID).Append(anAncestorsIter.Key()); // add to the list anyway
 801   }
 802   return theList.Extent();
 803 }
 804
 805 //=======================================================================
 806 void Model_BodyBuilder::loadFirstLevel(
 807   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
 808 {
 809   if(theShape->isNull()) return;
 810   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 811   std::string aName;
 812   if (aShape.ShapeType() == TopAbs_COMPOUND || aShape.ShapeType() == TopAbs_COMPSOLID) {
 813     TopoDS_Iterator itr(aShape);
 814     for (; itr.More(); itr.Next()) {
 815       builder(theTag)->Generated(itr.Value());
 816       TCollection_AsciiString aStr(theTag);
 817       aName = theName + aStr.ToCString();
 818       buildName(theTag, aName);
 819       if(!theName.empty()) buildName(theTag, aName);
 820       theTag++;
 821       if (itr.Value().ShapeType() == TopAbs_COMPOUND ||
 822         itr.Value().ShapeType() == TopAbs_COMPSOLID)
 823       {
 824         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 825         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
 826         loadFirstLevel(itrShape, theName, theTag);
 827       } else {
 828         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 829         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
 830         loadNextLevels(itrShape, theName, theTag);
 831       }
 832     }
 833   } else {
 834     std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 835     itrShape->setImpl(new TopoDS_Shape(aShape));
 836     loadNextLevels(itrShape, theName, theTag);
 837   }
 838   TopTools_ListOfShape   aList;
 839   if(findAmbiguities(aShape, aList)) {
 840     TopTools_ListIteratorOfListOfShape it(aList);
 841     for (; it.More(); it.Next(),theTag++) {
 842       builder(theTag)->Generated(it.Value());
 843       TCollection_AsciiString aStr(theTag);
 844       aName = theName + aStr.ToCString();
 845       buildName(theTag, aName);
 846     }
 847   }
 848 }
 849
 850 //=======================================================================
 851 void Model_BodyBuilder::loadDisconnectedEdges(
 852   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
 853 {
 854   if(theShape->isNull()) return;
 855   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 856   TopTools_DataMapOfShapeListOfShape edgeNaborFaces;
 857   TopTools_ListOfShape empty;
 858   TopExp_Explorer explF(aShape, TopAbs_FACE);
 859   for (; explF.More(); explF.Next()) {
 860     const TopoDS_Shape& aFace = explF.Current();
 861     TopExp_Explorer explV(aFace, TopAbs_EDGE);
 862     for (; explV.More(); explV.Next()) {
 863       const TopoDS_Shape& anEdge = explV.Current();
 864       if (!edgeNaborFaces.IsBound(anEdge)) edgeNaborFaces.Bind(anEdge, empty);
 865       Standard_Boolean faceIsNew = Standard_True;
 866       TopTools_ListIteratorOfListOfShape itrF(edgeNaborFaces.Find(anEdge));
 867       for (; itrF.More(); itrF.Next()) {
 868         if (itrF.Value().IsSame(aFace)) {
 869           faceIsNew = Standard_False;
 870           break;
 871         }
 872       }
 873       if (faceIsNew)
 874         edgeNaborFaces.ChangeFind(anEdge).Append(aFace);
 875     }
 876   }
 877
 878   TopTools_MapOfShape anEdgesToDelete;
 879   TopExp_Explorer anEx(aShape,TopAbs_EDGE);
 880   std::string aName;
 881   for(;anEx.More();anEx.Next()) {
 882     Standard_Boolean aC0 = Standard_False;
 883     TopoDS_Shape anEdge1 = anEx.Current();
 884     if (edgeNaborFaces.IsBound(anEdge1)) {
 885       const TopTools_ListOfShape& aList1 = edgeNaborFaces.Find(anEdge1);
 886       if (aList1.Extent()<2) continue;
 887       TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(edgeNaborFaces);
 888       for (; itr.More(); itr.Next()) {
 889         TopoDS_Shape anEdge2 = itr.Key();
 890         if(anEdgesToDelete.Contains(anEdge2)) continue;
 891         if (anEdge1.IsSame(anEdge2)) continue;
 892         const TopTools_ListOfShape& aList2 = itr.Value();
 893         // compare lists of the neighbour faces of edge1 and edge2
 894         if (aList1.Extent() == aList2.Extent()) {
 895           Standard_Integer aMatches = 0;
 896           for(TopTools_ListIteratorOfListOfShape aLIter1(aList1);aLIter1.More();aLIter1.Next())
 897             for(TopTools_ListIteratorOfListOfShape aLIter2(aList2);aLIter2.More();aLIter2.Next())
 898               if (aLIter1.Value().IsSame(aLIter2.Value())) aMatches++;
 899           if (aMatches == aList1.Extent()) {
 900             aC0=Standard_True;
 901             builder(theTag)->Generated(anEdge2);
 902             anEdgesToDelete.Add(anEdge2);
 903             TCollection_AsciiString aStr(theTag);
 904             aName = theName + aStr.ToCString();
 905             buildName(theTag, aName);
 906             theTag++;
 907           }
 908         }
 909       }
 910       TopTools_MapIteratorOfMapOfShape itDelete(anEdgesToDelete);
 911       for(;itDelete.More();itDelete.Next())
 912         edgeNaborFaces.UnBind(itDelete.Key());
 913       edgeNaborFaces.UnBind(anEdge1);
 914     }
 915     if (aC0) {
 916       builder(theTag)->Generated(anEdge1);
 917       TCollection_AsciiString aStr(theTag);
 918       aName = theName + aStr.ToCString();
 919       buildName(theTag, aName);
 920       theTag++;
 921     }
 922   }
 923 }
 924
 925 void Model_BodyBuilder::loadDisconnectedVertexes(std::shared_ptr<GeomAPI_Shape> theShape,
 926                                                  const std::string& theName, int&  theTag)
 927 {
 928   if(theShape->isNull()) return;
 929   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 930   TopTools_DataMapOfShapeListOfShape vertexNaborEdges;
 931   TopTools_ListOfShape empty;
 932   TopExp_Explorer explF(aShape, TopAbs_EDGE);
 933   for (; explF.More(); explF.Next()) {
 934     const TopoDS_Shape& anEdge = explF.Current();
 935     TopExp_Explorer explV(anEdge, TopAbs_VERTEX);
 936     for (; explV.More(); explV.Next()) {
 937       const TopoDS_Shape& aVertex = explV.Current();
 938       if (!vertexNaborEdges.IsBound(aVertex)) vertexNaborEdges.Bind(aVertex, empty);
 939       Standard_Boolean faceIsNew = Standard_True;
 940       TopTools_ListIteratorOfListOfShape itrF(vertexNaborEdges.Find(aVertex));
 941       for (; itrF.More(); itrF.Next()) {
 942         if (itrF.Value().IsSame(anEdge)) {
 943           faceIsNew = Standard_False;
 944           break;
 945         }
 946       }
 947       if (faceIsNew) {
 948         vertexNaborEdges.ChangeFind(aVertex).Append(anEdge);
 949       }
 950     }
 951   }
 952   std::string aName;
 953   TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(vertexNaborEdges);
 954   for (; itr.More(); itr.Next()) {
 955     const TopTools_ListOfShape& naborEdges = itr.Value();
 956     if (naborEdges.Extent() < 2) {
 957       builder(theTag)->Generated(itr.Key());
 958       TCollection_AsciiString aStr(theTag);
 959       aName = theName + aStr.ToCString();
 960       buildName(theTag, aName);
 961       theTag++;
 962     }
 963   }
 964 }
 965
 966 std::shared_ptr<GeomAPI_Shape> Model_BodyBuilder::shape()
 967 {
 968   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 969   if (aData) {
 970     TDF_Label aShapeLab = aData->shapeLab();
 971     Handle(TDF_Reference) aRef;
 972     if (aShapeLab.FindAttribute(TDF_Reference::GetID(), aRef)) {
 973       aShapeLab = aRef->Get();
 974     }
 975     Handle(TNaming_NamedShape) aName;
 976     if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
 977       TopoDS_Shape aShape = aName->Get();
 978       if (!aShape.IsNull()) {
 979         std::shared_ptr<GeomAPI_Shape> aRes(new GeomAPI_Shape);
 980         aRes->setImpl(new TopoDS_Shape(aShape));
 981         return aRes;
 982       }
 983     }
 984   }
 985   return std::shared_ptr<GeomAPI_Shape>();
 986 }
 987
 988 bool Model_BodyBuilder::isLatestEqual(const std::shared_ptr<GeomAPI_Shape>& theShape)
 989 {
 990   if (theShape.get()) {
 991     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 992     std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 993     if (aData) {
 994       TDF_Label& aShapeLab = aData->shapeLab();
 995       Handle(TNaming_NamedShape) aName;
 996       if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
 997         TopoDS_Shape aLatest = TNaming_Tool::CurrentShape(aName);
 998         if (aLatest.IsNull())
 999           return false;
1000         if (aLatest.IsEqual(aShape))
1001           return true;
1002         // check sub-shapes for comp-solids:
1003         for (TopExp_Explorer anExp(aShape, aLatest.ShapeType()); anExp.More(); anExp.Next()) {
1004           if (aLatest.IsEqual(anExp.Current()))
1005             return true;
1006         }
1007       }
1008     }
1009   }
1010   return false;
1011 }