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 {
 369   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 370   TopTools_MapOfShape aView;
 371   TopExp_Explorer ShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 372   GeomShapePtr aResultShape = shape();
 373   for (; ShapeExplorer.More(); ShapeExplorer.Next ()) {
 374     const TopoDS_Shape& aRoot = ShapeExplorer.Current ();
 375     if (!aView.Add(aRoot)) continue;
 376     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 377     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 378     if (theMS->isDeleted (aRShape)) {
 379       if (!aResultShape->isSubShape(aRShape, false)) {
 380           ListOfShape aHist;
 381           if (BRepTools_History::IsSupportedType(aRoot)) // to avoid crash in #2572
 382             theMS->modified(aRShape, aHist);
 383           if (aHist.size() == 0 || (aHist.size() == 1 && aHist.front()->isSame(aRShape)))
 384             builder(theTag)->Delete(aRoot);
 385       }
 386     }
 387   }
 388 }
 389
 390 static void removeBadShapes(ListOfShape& theShapes)
 391 {
 392   ListOfShape::iterator anIt = theShapes.begin();
 393   while (anIt != theShapes.end()) {
 394     TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 395     bool aSkip = aNewShape.IsNull()
 396       || (aNewShape.ShapeType() == TopAbs_EDGE && BRep_Tool::Degenerated(TopoDS::Edge(aNewShape)));
 397     if (aSkip) {
 398       ListOfShape::iterator aRemoveIt = anIt++;
 399       theShapes.erase(aRemoveIt);
 400     } else {
 401       ++anIt;
 402     }
 403   }
 404 }
 405
 406 // Keep only the shapes with minimal shape type
 407 static void keepTopLevelShapes(ListOfShape& theShapes, const TopoDS_Shape& theRoot,
 408   const GeomShapePtr& theResultShape = GeomShapePtr())
 409 {
 410   GeomAPI_Shape::ShapeType aKeepShapeType = GeomAPI_Shape::SHAPE;
 411   ListOfShape::iterator anIt = theShapes.begin();
 412   while (anIt != theShapes.end()) {
 413     TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 414     bool aSkip = aNewShape.IsNull() ||
 415       (aNewShape.ShapeType() == TopAbs_EDGE && BRep_Tool::Degenerated(TopoDS::Edge(aNewShape)));
 416     if (aSkip || theRoot.IsSame(aNewShape) || (theResultShape &&
 417         (!theResultShape->isSubShape(*anIt, false) || theResultShape->isSame(*anIt)))) {
 418       ListOfShape::iterator aRemoveIt = anIt++;
 419       theShapes.erase(aRemoveIt);
 420     } else {
 421       GeomAPI_Shape::ShapeType aType = (*anIt)->shapeType();
 422       if (aType < aKeepShapeType) {
 423         // found a shape with lesser shape type => remove all previous shapes
 424         aKeepShapeType = aType;
 425         theShapes.erase(theShapes.begin(), anIt);
 426         ++anIt;
 427       } else if (aType > aKeepShapeType) {
 428         // shapes with greater shape type should be removed from the list
 429         ListOfShape::iterator aRemoveIt = anIt++;
 430         theShapes.erase(aRemoveIt);
 431       } else
 432         ++anIt;
 433     }
 434   }
 435 }
 436
 437 // returns an ancestor shape-type thaty used for naming-definition of the sub-type
 438 TopAbs_ShapeEnum typeOfAncestor(const TopAbs_ShapeEnum theSubType) {
 439   if (theSubType == TopAbs_VERTEX)
 440     return TopAbs_EDGE;
 441   if (theSubType == TopAbs_EDGE)
 442     return TopAbs_FACE;
 443   return TopAbs_VERTEX; // bad case
 444 }
 445
 446 void Model_BodyBuilder::loadAndOrientModifiedShapes (
 447   GeomAlgoAPI_MakeShape* theMS,
 448   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 449   const int  theKindOfShape,
 450   const int  theTag,
 451   const std::string& theName,
 452   GeomAPI_DataMapOfShapeShape& theSubShapes,
 453   const bool theIsStoreSeparate,
 454   const bool theIsStoreAsGenerated)
 455 {
 456   static const int THE_ANCHOR_TAG = 100000;
 457
 458   int anIndex = 1;
 459   int aTag = theTag;
 460   bool isBuilt = !theName.empty();
 461   std::string aName = theName;
 462   std::ostringstream aStream;
 463   GeomShapePtr aResultShape = shape();
 464   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 465   TopTools_MapOfShape aView;
 466   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 467   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 468   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
 469     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
 470     if (!aView.Add(aRoot)) continue;
 471
 472     bool aNotInTree =
 473       TNaming_Tool::NamedShape(aRoot, aData->shapeLab()).IsNull();
 474     if (aNotInTree && !theIsStoreSeparate) {
 475       // there is no sense to write history if old shape does not exist in the document
 476       continue; // but if it is stored separately, it will be builded as a primitive
 477     }
 478     ListOfShape aList;
 479     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 480     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 481     theMS->modified(aRShape, aList);
 482     if (!theIsStoreSeparate) {
 483       //keepTopLevelShapes(aList, aRoot, aResultShape);
 484       removeBadShapes(aList);
 485     }
 486     // sort the list of images before naming
 487     GeomAlgoAPI_SortListOfShapes::sort(aList);
 488
 489     // to trace situation where several objects are produced by one parent (#2317)
 490     int aSameParentShapes = (aShapeIn.ShapeType() == TopAbs_WIRE
 491                              || aShapeIn.ShapeType() == TopAbs_SHELL
 492                              || aShapeIn.ShapeType() == TopAbs_COMPOUND) ? 0 : -1;
 493     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator
 494       anIt = aList.begin(), aLast = aList.end();
 495     for (; anIt != aLast; anIt++) {
 496       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 497       if (theSubShapes.isBound(*anIt)) {
 498         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
 499         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
 500       }
 501       isBuilt = !theName.empty();
 502       if(!aRoot.IsSame(aNewShape)
 503          && aResultShape->isSubShape((*anIt), false)
 504          && !aResultShape->isSame(*anIt)) // to avoid put of same shape on main label and sub
 505       {
 506         if (!theIsStoreSeparate) {
 507           aSameParentShapes++;
 508         } else if (aNotInTree) // check this new shape can not be represented as
 509                               // a sub-shape of higher level sub-shapes
 510         {
 511           TopAbs_ShapeEnum aNewType = aNewShape.ShapeType();
 512           TopAbs_ShapeEnum anAncestorType = typeOfAncestor(aNewType);
 513           if (anAncestorType != TopAbs_VERTEX) {
 514             bool aFound = false;
 515             TopoDS_Shape aResultTShape = aResultShape->impl<TopoDS_Shape>();
 516             TopExp_Explorer anAncestorExp(aResultTShape, anAncestorType);
 517             for(; anAncestorExp.More() && !aFound; anAncestorExp.Next()) {
 518               if (aResultTShape.IsSame(anAncestorExp.Current()))
 519                 continue;
 520               TopExp_Explorer aSubExp(anAncestorExp.Current(), aNewType);
 521               for(; aSubExp.More(); aSubExp.Next()) {
 522                 if (aNewShape.IsSame(aSubExp.Current())) {
 523                   aFound = true;
 524                   break;
 525                 }
 526               }
 527             }
 528             if (aFound) {
 529               continue; // not need to store this shape in the BRep structure
 530             }
 531           }
 532         }
 533
 534         int aFoundTag = 0;
 535         bool isFoundSameOld = false;
 536         bool isFoundDiffOld = false;
 537
 538         // Check if new shape was already stored.
 539         for (std::map<int, TNaming_Builder*>::iterator aBuildersIt = myBuilders.begin();
 540              aBuildersIt != myBuilders.end();
 541              ++aBuildersIt)
 542         {
 543           TNaming_Builder* aBuilder = aBuildersIt->second;
 544           for (TNaming_Iterator aNamingIt(aBuilder->NamedShape());
 545                aNamingIt.More();
 546                aNamingIt.Next())
 547           {
 548             if (aNamingIt.NewShape().IsSame(aNewShape))
 549             {
 550               aNamingIt.OldShape().IsSame(aRoot) ? isFoundSameOld = true
 551                                                  : isFoundDiffOld = true;
 552               aFoundTag = aBuildersIt->first;
 553             }
 554           }
 555
 556           if (isFoundSameOld || isFoundDiffOld) break;
 557         }
 558
 559         if (isFoundSameOld) {
 560           // Builder already contains same old->new shapes, don't store it twice.
 561           continue;
 562         }
 563
 564         int aBuilderTag = aSameParentShapes > 0 ? THE_ANCHOR_TAG : aTag;
 565
 566         int aCurShapeType = (int)((*anIt)->shapeType());
 567         bool needSuffix = false; // suffix for the name based on the shape type
 568         if (aCurShapeType != theKindOfShape) {
 569           // modified shape has different type => set another tag
 570           // to avoid shapes of different types on the same label
 571           aBuilderTag = THE_ANCHOR_TAG;
 572           needSuffix = true;
 573         }
 574         std::string aSuffix;
 575         if (needSuffix) {
 576           switch (aCurShapeType) {
 577             case GeomAPI_Shape::VERTEX: aSuffix = "_v_" + std::to_string(myVIndex++); break;
 578             case GeomAPI_Shape::EDGE:   aSuffix = "_e_" + std::to_string(myEIndex++); break;
 579             case GeomAPI_Shape::FACE:   aSuffix = "_f_" + std::to_string(myFIndex++); break;
 580             default: break;
 581           }
 582         }
 583
 584         std::vector<std::pair<TopoDS_Shape, TopoDS_Shape>> aKeepShapes, aMoveShapes;
 585         if (isFoundDiffOld) {
 586           // Found same new shape with different old shape.
 587           if (aFoundTag >= THE_ANCHOR_TAG) {
 588             // Found on separated tag.
 589             aBuilderTag = aFoundTag; // Store it on the same tag.
 590             isBuilt = false; // Don't change name;
 591           } else {
 592             // Found on previous tag.
 593             if (aBuilderTag < THE_ANCHOR_TAG) {
 594               // New shape shouls not be separated.
 595               aBuilderTag = aFoundTag; // Store it on the same tag.
 596               isBuilt = false; // Don't change name;
 597             } else {
 598               // New shape should be separated from others. Move shapes from found tag to new tag.
 599               while (myBuilders.find(aBuilderTag) != myBuilders.end()) {
 600                 ++aBuilderTag;
 601               }
 602
 603               TNaming_Builder* aFoundBuilder = myBuilders.at(aFoundTag);
 604               Handle(TNaming_NamedShape) aFoundNamedShape = aFoundBuilder->NamedShape();
 605               TDF_Label aFoundLabel = aFoundNamedShape->Label();
 606               TNaming_Evolution anEvolution = aFoundNamedShape->Evolution();
 607               for (TNaming_Iterator aNamingIt(aFoundNamedShape);
 608                    aNamingIt.More();
 609                    aNamingIt.Next())
 610               {
 611                 std::pair<TopoDS_Shape, TopoDS_Shape> aShapesPair =
 612                   std::make_pair(aNamingIt.OldShape(), aNamingIt.NewShape());
 613                 aNamingIt.NewShape().IsSame(aNewShape) ? aMoveShapes.push_back(aShapesPair)
 614                                                        : aKeepShapes.push_back(aShapesPair);
 615               }
 616
 617               aFoundNamedShape->Clear();
 618               for (std::vector<std::pair<TopoDS_Shape, TopoDS_Shape>>::iterator aKeepIt =
 619                      aKeepShapes.begin();
 620                    aKeepIt != aKeepShapes.end();
 621                    ++aKeepIt)
 622               {
 623                 if (anEvolution == TNaming_GENERATED) {
 624                   aFoundBuilder->Generated(aKeepIt->first, aKeepIt->second);
 625                 } else {
 626                   aFoundBuilder->Modify(aKeepIt->first, aKeepIt->second);
 627                 }
 628               }
 629             }
 630           }
 631         } else if (aBuilderTag == THE_ANCHOR_TAG) {
 632           while (myBuilders.find(aBuilderTag) != myBuilders.end()) {
 633             ++aBuilderTag;
 634           }
 635         }
 636
 637         if(theIsStoreAsGenerated) {
 638           // Here we store shapes as generated, to avoid problem when one parent shape produce
 639           // several child shapes. In this case naming could not determine which shape to select.
 640           builder(aBuilderTag)->Generated(aRoot, aNewShape);
 641           for (std::vector<std::pair<TopoDS_Shape, TopoDS_Shape>>::iterator aMoveIt =
 642                aMoveShapes.begin();
 643                aMoveIt != aMoveShapes.end();
 644                ++aMoveIt)
 645           {
 646             builder(aBuilderTag)->Generated(aMoveIt->first, aMoveIt->second);
 647           }
 648         } else if (aNotInTree) {
 649           // not in tree -> store as primitive (stored as separated)
 650           builder(aBuilderTag)->Generated(aNewShape);
 651         } else if (aCurShapeType != theKindOfShape) {
 652            // if different shape type is produced, make it as generated
 653           builder(aBuilderTag)->Generated(aRoot, aNewShape);
 654         } else {
 655           builder(aBuilderTag)->Modify(aRoot, aNewShape);
 656           for (std::vector<std::pair<TopoDS_Shape, TopoDS_Shape>>::iterator aMoveIt =
 657                aMoveShapes.begin();
 658                aMoveIt != aMoveShapes.end();
 659                ++aMoveIt) {
 660             builder(aBuilderTag)->Modify(aMoveIt->first, aMoveIt->second);
 661           }
 662         }
 663         if(isBuilt) {
 664           aStream.str(std::string());
 665           aStream.clear();
 666           aStream << theName;
 667           if (theIsStoreSeparate && !isFoundDiffOld)
 668              aStream << "_" << anIndex++;
 669
 670           if (aSameParentShapes > 0) {
 671             aStream.str(std::string());
 672             aStream.clear();
 673             aStream << aName << "_" << "divided" << "_" << myDividedIndex++;
 674           }
 675
 676           aStream << aSuffix;
 677           buildName(aBuilderTag, aStream.str());
 678         }
 679         if(theIsStoreSeparate && !isFoundDiffOld) {
 680           aTag++;
 681         }
 682       } else if (aResultShape->isSame(*anIt)) {
 683         // keep the modification evolution on the root level (2241 - history propagation issue)
 684         TNaming_Builder* aBuilder = builder(0);
 685         TDF_Label aShapeLab = aBuilder->NamedShape()->Label();
 686         Handle(TDF_Reference) aRef;
 687         // Store only in case if it does not have reference.
 688         if (!aShapeLab.FindAttribute(TDF_Reference::GetID(), aRef)) {
 689           if (theIsStoreAsGenerated) {
 690             TNaming_Builder* aBuilder = builder(0);
 691             if (!aBuilder->NamedShape().IsNull() &&
 692                 aBuilder->NamedShape()->Evolution() != TNaming_GENERATED) {
 693               myBuilders.erase(0); // clear old builder to avoid different evolutions crash
 694             }
 695             builder(0)->Generated(aRoot, aNewShape);
 696           } else {
 697             TNaming_Builder* aBuilder = builder(0);
 698             if (!aBuilder->NamedShape().IsNull() &&
 699               aBuilder->NamedShape()->Evolution() != TNaming_MODIFY) {
 700               myBuilders.erase(0); // clear old builder to avoid different evolutions crash
 701             }
 702             builder(0)->Modify(aRoot, aNewShape);
 703           }
 704         }
 705       }
 706     }
 707   }
 708 }
 709
 710 void Model_BodyBuilder::loadAndOrientGeneratedShapes (
 711   GeomAlgoAPI_MakeShape* theMS,
 712   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 713   const int  theKindOfShape,
 714   const int  theTag,
 715   const std::string& theName,
 716   GeomAPI_DataMapOfShapeShape& theSubShapes)
 717 {
 718   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 719   TopTools_MapOfShape aView;
 720   bool isBuilt = !theName.empty();
 721   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 722   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
 723     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
 724     if (!aView.Add(aRoot)) continue;
 725     //if (TNaming_Tool::NamedShape(aRoot, builder(theTag)->NamedShape()->Label()).IsNull())
 726     //  continue; // there is no sense to write history if old shape does not exist in the document
 727     ListOfShape aList;
 728     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 729     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 730     theMS->generated(aRShape, aList);
 731     keepTopLevelShapes(aList, aRoot);
 732     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator
 733       anIt = aList.begin(), aLast = aList.end();
 734     for (; anIt != aLast; anIt++) {
 735       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 736       if (theSubShapes.isBound(*anIt)) {
 737         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
 738         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
 739       }
 740       if (!aRoot.IsSame (aNewShape)) {
 741         builder(theTag)->Generated(aRoot,aNewShape);
 742         if(isBuilt)
 743           buildName(theTag, theName);
 744       }
 745       TopAbs_ShapeEnum aGenShapeType = aNewShape.ShapeType();
 746       if(aGenShapeType == TopAbs_WIRE || aGenShapeType == TopAbs_SHELL) {
 747         TopAbs_ShapeEnum anExplodeShapeType =
 748           aGenShapeType == TopAbs_WIRE ? TopAbs_EDGE : TopAbs_FACE;
 749         const TDF_Label aLabel = builder(theTag)->NamedShape()->Label();
 750         int aTag = 1;
 751         std::shared_ptr<Model_Document> aDoc =
 752           std::dynamic_pointer_cast<Model_Document>(document());
 753         for(TopExp_Explorer anExp(aNewShape, anExplodeShapeType); anExp.More(); anExp.Next()) {
 754           TDF_Label aChildLabel = aLabel.FindChild(aTag);
 755           TNaming_Builder aBuilder(aChildLabel);
 756           aBuilder.Generated(aRoot, anExp.Current());
 757           TCollection_AsciiString aChildName =
 758             TCollection_AsciiString((theName + "_").c_str()) + aTag;
 759           TDataStd_Name::Set(aChildLabel, aChildName.ToCString());
 760           aTag++;
 761         }
 762       }
 763     }
 764   }
 765 }
 766
 767 //=======================================================================
 768 int getDangleShapes(const TopoDS_Shape&           theShapeIn,
 769   const TopAbs_ShapeEnum        theGeneratedFrom,
 770   TopTools_DataMapOfShapeShape& theDangles)
 771 {
 772   theDangles.Clear();
 773   TopTools_IndexedDataMapOfShapeListOfShape subShapeAndAncestors;
 774   TopAbs_ShapeEnum GeneratedTo;
 775   if (theGeneratedFrom == TopAbs_FACE) GeneratedTo = TopAbs_EDGE;
 776   else if (theGeneratedFrom == TopAbs_EDGE) GeneratedTo = TopAbs_VERTEX;
 777   else return Standard_False;
 778   TopExp::MapShapesAndAncestors(theShapeIn, GeneratedTo, theGeneratedFrom, subShapeAndAncestors);
 779   for (Standard_Integer i = 1; i <= subShapeAndAncestors.Extent(); i++) {
 780     const TopoDS_Shape& mayBeDangle = subShapeAndAncestors.FindKey(i);
 781     const TopTools_ListOfShape& ancestors = subShapeAndAncestors.FindFromIndex(i);
 782     if (ancestors.Extent() == 1) theDangles.Bind(ancestors.First(), mayBeDangle);
 783   }
 784   return theDangles.Extent();
 785 }
 786
 787 //=======================================================================
 788 void loadGeneratedDangleShapes(
 789   const TopoDS_Shape&      theShapeIn,
 790   const TopAbs_ShapeEnum   theGeneratedFrom,
 791   TNaming_Builder *        theBuilder)
 792 {
 793   TopTools_DataMapOfShapeShape dangles;
 794   if (!getDangleShapes(theShapeIn, theGeneratedFrom, dangles)) return;
 795   TopTools_DataMapIteratorOfDataMapOfShapeShape itr(dangles);
 796   for (; itr.More(); itr.Next())
 797     theBuilder->Generated(itr.Key(), itr.Value());
 798 }
 799
 800 //=======================================================================
 801 void Model_BodyBuilder::loadNextLevels(std::shared_ptr<GeomAPI_Shape> theShape,
 802   const std::string& theName, int&  theTag)
 803 {
 804   if(theShape->isNull()) return;
 805   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 806   std::string aName;
 807   if (aShape.ShapeType() == TopAbs_SOLID) {
 808     TopExp_Explorer expl(aShape, TopAbs_FACE);
 809     for (; expl.More(); expl.Next()) {
 810       builder(theTag)->Generated(expl.Current());
 811       TCollection_AsciiString aStr(theTag);
 812       aName = theName + aStr.ToCString();
 813       buildName(theTag, aName);
 814       theTag++;
 815     }
 816   }
 817   else if (aShape.ShapeType() == TopAbs_SHELL || aShape.ShapeType() == TopAbs_FACE) {
 818     // load faces and all the free edges
 819     TopTools_IndexedMapOfShape Faces;
 820     TopExp::MapShapes(aShape, TopAbs_FACE, Faces);
 821     if (Faces.Extent() > 1 || (aShape.ShapeType() == TopAbs_SHELL && Faces.Extent() == 1)) {
 822       TopExp_Explorer expl(aShape, TopAbs_FACE);
 823       for (; expl.More(); expl.Next()) {
 824         builder(theTag)->Generated(expl.Current());
 825         TCollection_AsciiString aStr(theTag);
 826         aName = theName + aStr.ToCString();
 827         buildName(theTag, aName);
 828         theTag++;
 829       }
 830     }
 831     TopTools_IndexedDataMapOfShapeListOfShape anEdgeAndNeighbourFaces;
 832     TopExp::MapShapesAndAncestors(aShape, TopAbs_EDGE, TopAbs_FACE, anEdgeAndNeighbourFaces);
 833     for (Standard_Integer i = 1; i <= anEdgeAndNeighbourFaces.Extent(); i++)
 834     {
 835       const TopTools_ListOfShape& aLL = anEdgeAndNeighbourFaces.FindFromIndex(i);
 836       if (aLL.Extent() < 2) {
 837         if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeAndNeighbourFaces.FindKey(i))))
 838           continue;
 839         builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
 840         TCollection_AsciiString aStr(theTag);
 841         aName = theName + aStr.ToCString();
 842         buildName(theTag, aName);
 843         theTag++;
 844       } else {
 845         TopTools_ListIteratorOfListOfShape anIter(aLL);
 846         const TopoDS_Face& aFace = TopoDS::Face(anIter.Value());
 847         anIter.Next();
 848         if(aFace.IsEqual(anIter.Value())) {
 849           builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
 850           TCollection_AsciiString aStr(theTag);
 851           aName = theName + aStr.ToCString();
 852           buildName(theTag, aName);
 853           theTag++;
 854         }
 855       }
 856     }
 857   } else if (aShape.ShapeType() == TopAbs_WIRE) {
 858     TopTools_IndexedMapOfShape Edges;
 859     BRepTools::Map3DEdges(aShape, Edges);
 860     if (Edges.Extent() == 1) {
 861       builder(theTag++)->Generated(Edges.FindKey(1));
 862       TopExp_Explorer expl(aShape, TopAbs_VERTEX);
 863       for (; expl.More(); expl.Next()) {
 864         builder(theTag)->Generated(expl.Current());
 865         TCollection_AsciiString aStr(theTag);
 866         aName = theName + aStr.ToCString();
 867         buildName(theTag, aName);
 868         theTag++;
 869       }
 870     } else {
 871       TopExp_Explorer expl(aShape, TopAbs_EDGE);
 872       for (; expl.More(); expl.Next()) {
 873         builder(theTag)->Generated(expl.Current());
 874         TCollection_AsciiString aStr(theTag);
 875         aName = theName + aStr.ToCString();
 876         buildName(theTag, aName);
 877         theTag++;
 878       }
 879       // and load generated vertices.
 880       TopTools_DataMapOfShapeShape generated;
 881       if (getDangleShapes(aShape, TopAbs_EDGE, generated))
 882       {
 883         TNaming_Builder* pBuilder = builder(theTag++);
 884         loadGeneratedDangleShapes(aShape, TopAbs_EDGE, pBuilder);
 885       }
 886     }
 887   } else if (aShape.ShapeType() == TopAbs_EDGE) {
 888     TopExp_Explorer expl(aShape, TopAbs_VERTEX);
 889     for (; expl.More(); expl.Next()) {
 890       builder(theTag)->Generated(expl.Current());
 891       TCollection_AsciiString aStr(theTag);
 892       aName = theName + aStr.ToCString();
 893       buildName(theTag, aName);
 894       theTag++;
 895     }
 896   }
 897 }
 898
 899 //=======================================================================
 900 int findAmbiguities(const TopoDS_Shape&           theShapeIn,
 901   TopTools_ListOfShape&   theList)
 902 {
 903   theList.Clear();
 904   // edges -> ancestor faces list
 905   TopTools_IndexedDataMapOfShapeListOfShape aSubShapeAndAncestors;
 906   TopExp::MapShapesAndAncestors(theShapeIn, TopAbs_EDGE, TopAbs_FACE, aSubShapeAndAncestors);
 907   // keeps the shapes which are already in the resulting list
 908   TopTools_MapOfShape alreadyThere;
 909   // map from faces identifier (combination of hash-codes) to list of edges produced such ID
 910   NCollection_DataMap<int, NCollection_List<TopoDS_Shape> > aFacesIDs;
 911
 912   TopTools_IndexedDataMapOfShapeListOfShape::Iterator anAncestorsIter(aSubShapeAndAncestors);
 913   for (; anAncestorsIter.More(); anAncestorsIter.Next()) {
 914     const TopTools_ListOfShape& ancestors = anAncestorsIter.Value();
 915     if (ancestors.Extent() < 2)
 916       continue;
 917     Standard_Integer anID = 0;
 918     for(TopTools_ListIteratorOfListOfShape aFaceIt(ancestors); aFaceIt.More(); aFaceIt.Next()) {
 919       anID ^= HashCode(aFaceIt.ChangeValue(), 1990657); // Pierpont prime
 920     }
 921     if (aFacesIDs.IsBound(anID)) { // there found same edge, check they really have same faces
 922       const NCollection_List<TopoDS_Shape>& aSameFaces1 =
 923         aSubShapeAndAncestors.FindFromKey(anAncestorsIter.Key());
 924       NCollection_List<TopoDS_Shape>::Iterator aSameEdge(aFacesIDs.ChangeFind(anID));
 925       for(; aSameEdge.More(); aSameEdge.Next()) {
 926         const NCollection_List<TopoDS_Shape>& aSameFaces2 =
 927           aSubShapeAndAncestors.FindFromKey(aSameEdge.Value());
 928         if (aSameFaces2.Extent() != aSameFaces1.Extent()) // the number of faces is different
 929           break;
 930
 931         NCollection_List<TopoDS_Shape>::Iterator aFaceIter1(aSameFaces1);
 932         for(; aFaceIter1.More(); aFaceIter1.Next()) {
 933           NCollection_List<TopoDS_Shape>::Iterator aFaceIter2(aSameFaces2);
 934           for(; aFaceIter2.More(); aFaceIter2.Next()) {
 935             if (aFaceIter1.Value().IsSame(aFaceIter2.Value()))
 936               break;
 937           }
 938           if (!aFaceIter2.More()) // aFaceIter1 contains a face, which is not in aFaceIter2
 939             break;
 940         }
 941         if (!aFaceIter1.More()) { // all the faces are same => put to the result
 942           if (alreadyThere.Add(aSameEdge.Value()))
 943             theList.Append(aSameEdge.Value());
 944           if (alreadyThere.Add(anAncestorsIter.Key()))
 945             theList.Append(anAncestorsIter.Key());
 946         }
 947       }
 948     } else { // ID is unique, just add this edge
 949       aFacesIDs.Bind(anID, NCollection_List<TopoDS_Shape>());
 950     }
 951     aFacesIDs.ChangeFind(anID).Append(anAncestorsIter.Key()); // add to the list anyway
 952   }
 953   return theList.Extent();
 954 }
 955
 956 //=======================================================================
 957 void Model_BodyBuilder::loadFirstLevel(
 958   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
 959 {
 960   if(theShape->isNull()) return;
 961   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 962   std::string aName;
 963   if (aShape.ShapeType() == TopAbs_COMPOUND || aShape.ShapeType() == TopAbs_COMPSOLID) {
 964     TopoDS_Iterator itr(aShape);
 965     for (; itr.More(); itr.Next()) {
 966       builder(theTag)->Generated(itr.Value());
 967       TCollection_AsciiString aStr(theTag);
 968       aName = theName + aStr.ToCString();
 969       buildName(theTag, aName);
 970       if(!theName.empty()) buildName(theTag, aName);
 971       theTag++;
 972       if (itr.Value().ShapeType() == TopAbs_COMPOUND ||
 973         itr.Value().ShapeType() == TopAbs_COMPSOLID)
 974       {
 975         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 976         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
 977         loadFirstLevel(itrShape, theName, theTag);
 978       } else {
 979         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 980         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
 981         loadNextLevels(itrShape, theName, theTag);
 982       }
 983     }
 984   } else {
 985     std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 986     itrShape->setImpl(new TopoDS_Shape(aShape));
 987     loadNextLevels(itrShape, theName, theTag);
 988   }
 989   TopTools_ListOfShape   aList;
 990   if(findAmbiguities(aShape, aList)) {
 991     TopTools_ListIteratorOfListOfShape it(aList);
 992     for (; it.More(); it.Next(),theTag++) {
 993       builder(theTag)->Generated(it.Value());
 994       TCollection_AsciiString aStr(theTag);
 995       aName = theName + aStr.ToCString();
 996       buildName(theTag, aName);
 997     }
 998   }
 999 }
1000
1001 //=======================================================================
1002 void Model_BodyBuilder::loadDisconnectedEdges(
1003   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
1004 {
1005   if(theShape->isNull()) return;
1006   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
1007   TopTools_DataMapOfShapeListOfShape edgeNaborFaces;
1008   TopTools_ListOfShape empty;
1009   TopExp_Explorer explF(aShape, TopAbs_FACE);
1010   for (; explF.More(); explF.Next()) {
1011     const TopoDS_Shape& aFace = explF.Current();
1012     TopExp_Explorer explV(aFace, TopAbs_EDGE);
1013     for (; explV.More(); explV.Next()) {
1014       const TopoDS_Shape& anEdge = explV.Current();
1015       if (!edgeNaborFaces.IsBound(anEdge)) edgeNaborFaces.Bind(anEdge, empty);
1016       Standard_Boolean faceIsNew = Standard_True;
1017       TopTools_ListIteratorOfListOfShape itrF(edgeNaborFaces.Find(anEdge));
1018       for (; itrF.More(); itrF.Next()) {
1019         if (itrF.Value().IsSame(aFace)) {
1020           faceIsNew = Standard_False;
1021           break;
1022         }
1023       }
1024       if (faceIsNew)
1025         edgeNaborFaces.ChangeFind(anEdge).Append(aFace);
1026     }
1027   }
1028
1029   TopTools_MapOfShape anEdgesToDelete;
1030   TopExp_Explorer anEx(aShape,TopAbs_EDGE);
1031   std::string aName;
1032   for(;anEx.More();anEx.Next()) {
1033     Standard_Boolean aC0 = Standard_False;
1034     TopoDS_Shape anEdge1 = anEx.Current();
1035     if (edgeNaborFaces.IsBound(anEdge1)) {
1036       const TopTools_ListOfShape& aList1 = edgeNaborFaces.Find(anEdge1);
1037       if (aList1.Extent()<2) continue;
1038       TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(edgeNaborFaces);
1039       for (; itr.More(); itr.Next()) {
1040         TopoDS_Shape anEdge2 = itr.Key();
1041         if(anEdgesToDelete.Contains(anEdge2)) continue;
1042         if (anEdge1.IsSame(anEdge2)) continue;
1043         const TopTools_ListOfShape& aList2 = itr.Value();
1044         // compare lists of the neighbour faces of edge1 and edge2
1045         if (aList1.Extent() == aList2.Extent()) {
1046           Standard_Integer aMatches = 0;
1047           for(TopTools_ListIteratorOfListOfShape aLIter1(aList1);aLIter1.More();aLIter1.Next())
1048             for(TopTools_ListIteratorOfListOfShape aLIter2(aList2);aLIter2.More();aLIter2.Next())
1049               if (aLIter1.Value().IsSame(aLIter2.Value())) aMatches++;
1050           if (aMatches == aList1.Extent()) {
1051             aC0=Standard_True;
1052             builder(theTag)->Generated(anEdge2);
1053             anEdgesToDelete.Add(anEdge2);
1054             TCollection_AsciiString aStr(theTag);
1055             aName = theName + aStr.ToCString();
1056             buildName(theTag, aName);
1057             theTag++;
1058           }
1059         }
1060       }
1061       TopTools_MapIteratorOfMapOfShape itDelete(anEdgesToDelete);
1062       for(;itDelete.More();itDelete.Next())
1063         edgeNaborFaces.UnBind(itDelete.Key());
1064       edgeNaborFaces.UnBind(anEdge1);
1065     }
1066     if (aC0) {
1067       builder(theTag)->Generated(anEdge1);
1068       TCollection_AsciiString aStr(theTag);
1069       aName = theName + aStr.ToCString();
1070       buildName(theTag, aName);
1071       theTag++;
1072     }
1073   }
1074 }
1075
1076 void Model_BodyBuilder::loadDisconnectedVertexes(std::shared_ptr<GeomAPI_Shape> theShape,
1077                                                  const std::string& theName, int&  theTag)
1078 {
1079   if(theShape->isNull()) return;
1080   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
1081   TopTools_DataMapOfShapeListOfShape vertexNaborEdges;
1082   TopTools_ListOfShape empty;
1083   TopExp_Explorer explF(aShape, TopAbs_EDGE);
1084   for (; explF.More(); explF.Next()) {
1085     const TopoDS_Shape& anEdge = explF.Current();
1086     TopExp_Explorer explV(anEdge, TopAbs_VERTEX);
1087     for (; explV.More(); explV.Next()) {
1088       const TopoDS_Shape& aVertex = explV.Current();
1089       if (!vertexNaborEdges.IsBound(aVertex)) vertexNaborEdges.Bind(aVertex, empty);
1090       Standard_Boolean faceIsNew = Standard_True;
1091       TopTools_ListIteratorOfListOfShape itrF(vertexNaborEdges.Find(aVertex));
1092       for (; itrF.More(); itrF.Next()) {
1093         if (itrF.Value().IsSame(anEdge)) {
1094           faceIsNew = Standard_False;
1095           break;
1096         }
1097       }
1098       if (faceIsNew) {
1099         vertexNaborEdges.ChangeFind(aVertex).Append(anEdge);
1100       }
1101     }
1102   }
1103   std::string aName;
1104   TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(vertexNaborEdges);
1105   for (; itr.More(); itr.Next()) {
1106     const TopTools_ListOfShape& naborEdges = itr.Value();
1107     if (naborEdges.Extent() < 2) {
1108       builder(theTag)->Generated(itr.Key());
1109       TCollection_AsciiString aStr(theTag);
1110       aName = theName + aStr.ToCString();
1111       buildName(theTag, aName);
1112       theTag++;
1113     }
1114   }
1115 }
1116
1117 std::shared_ptr<GeomAPI_Shape> Model_BodyBuilder::shape()
1118 {
1119   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
1120   if (aData && aData->isValid()) {
1121     TDF_Label aShapeLab = aData->shapeLab();
1122     Handle(TDF_Reference) aRef;
1123     if (aShapeLab.FindAttribute(TDF_Reference::GetID(), aRef)) {
1124       aShapeLab = aRef->Get();
1125     }
1126     Handle(TNaming_NamedShape) aName;
1127     if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
1128       TopoDS_Shape aShape = aName->Get();
1129       if (!aShape.IsNull()) {
1130         std::shared_ptr<GeomAPI_Shape> aRes(new GeomAPI_Shape);
1131         aRes->setImpl(new TopoDS_Shape(aShape));
1132         return aRes;
1133       }
1134     }
1135   }
1136   return std::shared_ptr<GeomAPI_Shape>();
1137 }
1138
1139 bool Model_BodyBuilder::isLatestEqual(const std::shared_ptr<GeomAPI_Shape>& theShape)
1140 {
1141   if (theShape.get()) {
1142     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
1143     std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
1144     if (aData) {
1145       TDF_Label& aShapeLab = aData->shapeLab();
1146       Handle(TNaming_NamedShape) aName;
1147       if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
1148         TopoDS_Shape aLatest = TNaming_Tool::CurrentShape(aName);
1149         if (aLatest.IsNull())
1150           return false;
1151         if (aLatest.IsEqual(aShape))
1152           return true;
1153         // check sub-shapes for comp-solids:
1154         for (TopExp_Explorer anExp(aShape, aLatest.ShapeType()); anExp.More(); anExp.Next()) {
1155           if (aLatest.IsEqual(anExp.Current()))
1156             return true;
1157         }
1158       }
1159     }
1160   }
1161   return false;
1162 }