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 email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  18 //
  19
  20 #include <Model_BodyBuilder.h>
  21
  22 #include <Model_Data.h>
  23 #include <Model_Document.h>
  24 #include <TNaming_Builder.hxx>
  25 #include <TNaming_NamedShape.hxx>
  26 #include <TNaming_Iterator.hxx>
  27 #include <TNaming_Tool.hxx>
  28 #include <TDataStd_Name.hxx>
  29 #include <TDataStd_Integer.hxx>
  30 #include <TopoDS.hxx>
  31 #include <TopoDS_Face.hxx>
  32 #include <TDF_ChildIterator.hxx>
  33 #include <TDF_Reference.hxx>
  34 #include <TopTools_MapOfShape.hxx>
  35 #include <TopExp_Explorer.hxx>
  36 #include <TopTools_ListOfShape.hxx>
  37 #include <TopTools_ListIteratorOfListOfShape.hxx>
  38 #include <TopTools_DataMapOfShapeListOfShape.hxx>
  39 #include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx>
  40 #include <TopTools_DataMapIteratorOfDataMapOfShapeShape.hxx>
  41 #include <TopTools_MapIteratorOfMapOfShape.hxx>
  42 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
  43 #include <TopTools_IndexedMapOfShape.hxx>
  44 #include <TopTools_DataMapOfShapeShape.hxx>
  45 #include <TopExp.hxx>
  46 #include <BRepTools.hxx>
  47 #include <BRep_Tool.hxx>
  48 #include <GeomAPI_Shape.h>
  49 #include <GeomAlgoAPI_MakeShape.h>
  50 #include <Config_PropManager.h>
  51 // DEB
  52 //#include <TCollection_AsciiString.hxx>
  53 //#include <TDF_Tool.hxx>
  54 //#define DEB_IMPORT 1
  55
  56 Model_BodyBuilder::Model_BodyBuilder(ModelAPI_Object* theOwner)
  57 : ModelAPI_BodyBuilder(theOwner)
  58 {
  59 }
  60
  61 // Converts evolution of naming shape to selection evelution and back to avoid
  62 // naming support on the disabled results. Deeply in the labels tree, recursively.
  63 static void evolutionToSelectionRec(TDF_Label theLab, const bool theFlag) {
  64   std::list<std::pair<TopoDS_Shape, TopoDS_Shape> > aShapePairs; // to store old and new shapes
  65   Handle(TNaming_NamedShape) aName;
  66   int anEvolution = -1;
  67   if (theLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
  68     TNaming_Evolution aNSEvol = aName->Evolution();
  69     if ((aNSEvol == TNaming_SELECTED && theFlag) ||
  70         (aNSEvol != TNaming_SELECTED && !theFlag)) { // nothing to do, it is already correct
  71       return;
  72     }
  73     anEvolution = (int)(aNSEvol);
  74     if (!theFlag) {
  75       Handle(TDataStd_Integer) anAttrEvol;
  76       if (theLab.FindAttribute(TDataStd_Integer::GetID(), anAttrEvol)) {
  77         anEvolution = anAttrEvol->Get();
  78       }
  79     } else {
  80       TDataStd_Integer::Set(theLab, anEvolution);
  81     }
  82
  83     for(TNaming_Iterator anIter(aName); anIter.More(); anIter.Next()) {
  84       // iterator goes in reversed order relatively to the Builder, to, make the list reversed
  85       aShapePairs.push_front(std::pair<TopoDS_Shape, TopoDS_Shape>
  86         (anIter.OldShape(), anIter.NewShape()));
  87     }
  88
  89     // create new
  90     TNaming_Builder aBuilder(theLab);
  91     TNaming_Evolution anEvol = (TNaming_Evolution)(anEvolution);
  92     std::list<std::pair<TopoDS_Shape, TopoDS_Shape> >::iterator aPairsIter = aShapePairs.begin();
  93     for(; aPairsIter != aShapePairs.end(); aPairsIter++) {
  94       if (theFlag) { // disabled => make selection
  95         aBuilder.Select(aPairsIter->second, aPairsIter->first);
  96       } else if (anEvol == TNaming_GENERATED) {
  97         aBuilder.Generated(aPairsIter->first, aPairsIter->second);
  98       } else if (anEvol == TNaming_MODIFY) {
  99         aBuilder.Modify(aPairsIter->first, aPairsIter->second);
 100       } else if (anEvol == TNaming_DELETE) {
 101         aBuilder.Delete(aPairsIter->first);
 102       } else if (anEvol == TNaming_PRIMITIVE) {
 103         aBuilder.Generated(aPairsIter->second);
 104       } else if (anEvol == TNaming_SELECTED) {
 105         aBuilder.Select(aPairsIter->second, aPairsIter->first);
 106       }
 107     }
 108   }
 109   // recursive call for all sub-labels
 110   TDF_ChildIterator anIter(theLab, Standard_False);
 111   for(; anIter.More(); anIter.Next()) {
 112     evolutionToSelectionRec(anIter.Value(), theFlag);
 113   }
 114 }
 115
 116 void Model_BodyBuilder::evolutionToSelection(const bool theFlag)
 117 {
 118   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 119   if (!aData) // unknown case
 120     return;
 121   TDF_Label& aShapeLab = aData->shapeLab();
 122   evolutionToSelectionRec(aShapeLab, theFlag);
 123 }
 124
 125 void Model_BodyBuilder::store(const std::shared_ptr<GeomAPI_Shape>& theShape,
 126                               const bool theIsStoreSameShapes)
 127 {
 128   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 129   if (aData) {
 130     TDF_Label& aShapeLab = aData->shapeLab();
 131     // clean builders
 132     clean();
 133     // store the new shape as primitive
 134     TNaming_Builder aBuilder(aShapeLab);
 135     if (!theShape)
 136       return;  // bad shape
 137     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 138     if (aShape.IsNull())
 139       return;  // null shape inside
 140
 141     if(!theIsStoreSameShapes) {
 142       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aShape, aShapeLab);
 143       if(!aNS.IsNull() && !aNS->IsEmpty()) {
 144         // This shape is already in document, store reference instead of shape;
 145         const TDF_Label aFoundLabel = aNS->Label();
 146         TDF_Reference::Set(aShapeLab, aFoundLabel);
 147         aShapeLab.ForgetAttribute(TNaming_NamedShape::GetID());
 148         return;
 149       }
 150     }
 151
 152     aBuilder.Generated(aShape);
 153     // register name
 154     aShapeLab.ForgetAttribute(TDF_Reference::GetID());
 155     if(!aBuilder.NamedShape()->IsEmpty()) {
 156       Handle(TDataStd_Name) anAttr;
 157       if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
 158         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
 159         if(!aName.empty()) {
 160           std::shared_ptr<Model_Document> aDoc =
 161             std::dynamic_pointer_cast<Model_Document>(document());
 162           aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
 163         }
 164       }
 165     }
 166   }
 167 }
 168
 169 void Model_BodyBuilder::storeGenerated(const std::shared_ptr<GeomAPI_Shape>& theFromShape,
 170   const std::shared_ptr<GeomAPI_Shape>& theToShape)
 171 {
 172   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 173   if (aData) {
 174     TDF_Label& aShapeLab = aData->shapeLab();
 175     // clean builders
 176     clean();
 177     // store the new shape as primitive
 178     TNaming_Builder aBuilder(aShapeLab);
 179     if (!theFromShape || !theToShape)
 180       return;  // bad shape
 181     TopoDS_Shape aShapeBasis = theFromShape->impl<TopoDS_Shape>();
 182     if (aShapeBasis.IsNull())
 183       return;  // null shape inside
 184     TopoDS_Shape aShapeNew = theToShape->impl<TopoDS_Shape>();
 185     if (aShapeNew.IsNull())
 186       return;  // null shape inside
 187     aBuilder.Generated(aShapeBasis, aShapeNew);
 188     // register name
 189     if(!aBuilder.NamedShape()->IsEmpty()) {
 190       Handle(TDataStd_Name) anAttr;
 191       if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
 192         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
 193         if(!aName.empty()) {
 194           std::shared_ptr<Model_Document> aDoc =
 195             std::dynamic_pointer_cast<Model_Document>(document());
 196           aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
 197         }
 198       }
 199     }
 200   }
 201 }
 202
 203 void Model_BodyBuilder::storeModified(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 204   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const int theDecomposeSolidsTag)
 205 {
 206   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 207   if (aData) {
 208     TDF_Label& aShapeLab = aData->shapeLab();
 209     // clean builders
 210     clean();
 211     // store the new shape as primitive
 212     TNaming_Builder aBuilder(aShapeLab);
 213     if (!theOldShape || !theNewShape)
 214       return;  // bad shape
 215     TopoDS_Shape aShapeOld = theOldShape->impl<TopoDS_Shape>();
 216     if (aShapeOld.IsNull())
 217       return;  // null shape inside
 218     TopoDS_Shape aShapeNew = theNewShape->impl<TopoDS_Shape>();
 219     if (aShapeNew.IsNull())
 220       return;  // null shape inside
 221     aBuilder.Modify(aShapeOld, aShapeNew);
 222     if(!aBuilder.NamedShape()->IsEmpty()) {
 223       Handle(TDataStd_Name) anAttr;
 224       if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
 225         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
 226         if(!aName.empty()) {
 227           std::shared_ptr<Model_Document> aDoc =
 228             std::dynamic_pointer_cast<Model_Document>(document());
 229           aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
 230         }
 231       }
 232     }
 233   }
 234 }
 235
 236 void  Model_BodyBuilder::storeWithoutNaming(const std::shared_ptr<GeomAPI_Shape>& theShape)
 237 {
 238   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 239   if (aData) {
 240     clean();
 241     if (!theShape.get())
 242       return; // bad shape
 243     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 244     if (aShape.IsNull())
 245       return;  // null shape inside
 246     TNaming_Builder aBuilder(aData->shapeLab());
 247     aBuilder.Select(aShape, aShape);
 248   }
 249 }
 250
 251 void Model_BodyBuilder::clean()
 252 {
 253   std::vector<TNaming_Builder*>::iterator aBuilder = myBuilders.begin();
 254   for(; aBuilder != myBuilders.end(); aBuilder++)
 255     delete *aBuilder;
 256   myBuilders.clear();
 257 }
 258
 259 Model_BodyBuilder::~Model_BodyBuilder()
 260 {
 261   clean();
 262 }
 263
 264 TNaming_Builder* Model_BodyBuilder::builder(const int theTag)
 265 {
 266   if (myBuilders.size() <= (unsigned int)theTag) {
 267     myBuilders.insert(myBuilders.end(), theTag - myBuilders.size() + 1, NULL);
 268   }
 269   if (!myBuilders[theTag]) {
 270     std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 271     myBuilders[theTag] = new TNaming_Builder(aData->shapeLab().FindChild(theTag));
 272     //TCollection_AsciiString entry;//
 273     //TDF_Tool::Entry(aData->shapeLab().FindChild(theTag), entry);
 274     //cout << "Label = " <<entry.ToCString() <<endl;
 275   }
 276   return myBuilders[theTag];
 277 }
 278
 279 void Model_BodyBuilder::buildName(const int theTag, const std::string& theName)
 280 {
 281   std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
 282   //aDoc->addNamingName(builder(theTag)->NamedShape()->Label(), theName);
 283   TDataStd_Name::Set(builder(theTag)->NamedShape()->Label(), theName.c_str());
 284 }
 285 void Model_BodyBuilder::generated(
 286   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 287 {
 288   TopoDS_Shape aShape = theNewShape->impl<TopoDS_Shape>();
 289   builder(theTag)->Generated(aShape);
 290   if(!theName.empty())
 291     buildName(theTag, theName);
 292 }
 293
 294 void Model_BodyBuilder::generated(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 295   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 296 {
 297   TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
 298   TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
 299   builder(theTag)->Generated(anOldShape, aNewShape);
 300   if(!theName.empty())
 301     buildName(theTag, theName);
 302   TopAbs_ShapeEnum aGenShapeType = aNewShape.ShapeType();
 303   if(aGenShapeType == TopAbs_WIRE || aGenShapeType == TopAbs_SHELL) {
 304     TopAbs_ShapeEnum anExplodeShapeType = aGenShapeType == TopAbs_WIRE ? TopAbs_EDGE : TopAbs_FACE;
 305     const TDF_Label aLabel = builder(theTag)->NamedShape()->Label();
 306     int aTag = 1;
 307     std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
 308     for(TopExp_Explorer anExp(aNewShape, anExplodeShapeType); anExp.More(); anExp.Next()) {
 309       TDF_Label aChildLabel = aLabel.FindChild(aTag);
 310       TNaming_Builder aBuilder(aChildLabel);
 311       aBuilder.Generated(anOldShape, anExp.Current());
 312       TCollection_AsciiString aChildName = TCollection_AsciiString((theName + "_").c_str()) + aTag;
 313       //aDoc->addNamingName(aChildLabel, aChildName.ToCString());
 314       TDataStd_Name::Set(aChildLabel, aChildName.ToCString());
 315       aTag++;
 316     }
 317   }
 318 }
 319
 320
 321 void Model_BodyBuilder::modified(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 322   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 323 {
 324   TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
 325   TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
 326   builder(theTag)->Modify(anOldShape, aNewShape);
 327   if(!theName.empty())
 328     buildName(theTag, theName);
 329 }
 330
 331 void Model_BodyBuilder::deleted(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 332   const int theTag)
 333 {
 334   TopoDS_Shape aShape = theOldShape->impl<TopoDS_Shape>();
 335   builder(theTag)->Delete(aShape);
 336 }
 337
 338 void Model_BodyBuilder::loadDeletedShapes (GeomAlgoAPI_MakeShape* theMS,
 339   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 340   const int  theKindOfShape,
 341   const int  theTag)
 342 {
 343   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 344   TopTools_MapOfShape aView;
 345   TopExp_Explorer ShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 346   for (; ShapeExplorer.More(); ShapeExplorer.Next ()) {
 347     const TopoDS_Shape& aRoot = ShapeExplorer.Current ();
 348     if (!aView.Add(aRoot)) continue;
 349     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 350     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 351     if (theMS->isDeleted (aRShape)) {
 352       builder(theTag)->Delete(aRoot);
 353     }
 354   }
 355 }
 356
 357 void Model_BodyBuilder::loadAndOrientModifiedShapes (
 358   GeomAlgoAPI_MakeShape* theMS,
 359   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 360   const int  theKindOfShape,
 361   const int  theTag,
 362   const std::string& theName,
 363   GeomAPI_DataMapOfShapeShape& theSubShapes,
 364   const bool theIsStoreSeparate,
 365   const bool theIsStoreAsGenerated)
 366 {
 367   int anIndex = 1;
 368   int aTag = theTag;
 369   bool isBuilt = !theName.empty();
 370   std::string aName = theName;
 371   std::ostringstream aStream;
 372   GeomShapePtr aResultShape = shape();
 373   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 374   TopTools_MapOfShape aView;
 375   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 376   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
 377     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
 378     if (!aView.Add(aRoot)) continue;
 379     ListOfShape aList;
 380     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 381     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 382     theMS->modified(aRShape, aList);
 383     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator
 384       anIt = aList.begin(), aLast = aList.end();
 385     for (; anIt != aLast; anIt++) {
 386       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 387       if (theSubShapes.isBound(*anIt)) {
 388         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
 389         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
 390       }
 391       GeomShapePtr aGeomNewShape(new GeomAPI_Shape());
 392       aGeomNewShape->setImpl(new TopoDS_Shape(aNewShape));
 393       if(!aRoot.IsSame(aNewShape) && aResultShape->isSubShape(aGeomNewShape)) {
 394         if(theIsStoreAsGenerated) {
 395           // Here we store shapes as generated, to avoid problem when one parent shape produce
 396           // several child shapes. In this case naming could not determine which shape to select.
 397           builder(aTag)->Generated(aRoot,aNewShape);
 398         } else {
 399           builder(aTag)->Modify(aRoot,aNewShape);
 400         }
 401         if(isBuilt) {
 402           if(theIsStoreSeparate) {
 403             aStream.str(std::string());
 404             aStream.clear();
 405             aStream << theName << "_" << anIndex++;
 406             aName = aStream.str();
 407           }
 408           buildName(aTag, aName);
 409         }
 410         if(theIsStoreSeparate) {
 411           aTag++;
 412         }
 413       }
 414     }
 415   }
 416 }
 417
 418 void Model_BodyBuilder::loadAndOrientGeneratedShapes (
 419   GeomAlgoAPI_MakeShape* theMS,
 420   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 421   const int  theKindOfShape,
 422   const int  theTag,
 423   const std::string& theName,
 424   GeomAPI_DataMapOfShapeShape& theSubShapes)
 425 {
 426   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 427   TopTools_MapOfShape aView;
 428   bool isBuilt = !theName.empty();
 429   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 430   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
 431     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
 432     if (!aView.Add(aRoot)) continue;
 433     ListOfShape aList;
 434     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 435     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 436     theMS->generated(aRShape, aList);
 437     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator
 438       anIt = aList.begin(), aLast = aList.end();
 439     for (; anIt != aLast; anIt++) {
 440       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 441       if (theSubShapes.isBound(*anIt)) {
 442         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
 443         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
 444       }
 445       if (!aRoot.IsSame (aNewShape)) {
 446         builder(theTag)->Generated(aRoot,aNewShape);
 447         if(isBuilt)
 448           buildName(theTag, theName);
 449       }
 450       TopAbs_ShapeEnum aGenShapeType = aNewShape.ShapeType();
 451       if(aGenShapeType == TopAbs_WIRE || aGenShapeType == TopAbs_SHELL) {
 452         TopAbs_ShapeEnum anExplodeShapeType =
 453           aGenShapeType == TopAbs_WIRE ? TopAbs_EDGE : TopAbs_FACE;
 454         const TDF_Label aLabel = builder(theTag)->NamedShape()->Label();
 455         int aTag = 1;
 456         std::shared_ptr<Model_Document> aDoc =
 457           std::dynamic_pointer_cast<Model_Document>(document());
 458         for(TopExp_Explorer anExp(aNewShape, anExplodeShapeType); anExp.More(); anExp.Next()) {
 459           TDF_Label aChildLabel = aLabel.FindChild(aTag);
 460           TNaming_Builder aBuilder(aChildLabel);
 461           aBuilder.Generated(aRoot, anExp.Current());
 462           TCollection_AsciiString aChildName =
 463             TCollection_AsciiString((theName + "_").c_str()) + aTag;
 464           TDataStd_Name::Set(aChildLabel, aChildName.ToCString());
 465           aTag++;
 466         }
 467       }
 468     }
 469   }
 470 }
 471
 472 //=======================================================================
 473 int getDangleShapes(const TopoDS_Shape&           theShapeIn,
 474   const TopAbs_ShapeEnum        theGeneratedFrom,
 475   TopTools_DataMapOfShapeShape& theDangles)
 476 {
 477   theDangles.Clear();
 478   TopTools_IndexedDataMapOfShapeListOfShape subShapeAndAncestors;
 479   TopAbs_ShapeEnum GeneratedTo;
 480   if (theGeneratedFrom == TopAbs_FACE) GeneratedTo = TopAbs_EDGE;
 481   else if (theGeneratedFrom == TopAbs_EDGE) GeneratedTo = TopAbs_VERTEX;
 482   else return Standard_False;
 483   TopExp::MapShapesAndAncestors(theShapeIn, GeneratedTo, theGeneratedFrom, subShapeAndAncestors);
 484   for (Standard_Integer i = 1; i <= subShapeAndAncestors.Extent(); i++) {
 485     const TopoDS_Shape& mayBeDangle = subShapeAndAncestors.FindKey(i);
 486     const TopTools_ListOfShape& ancestors = subShapeAndAncestors.FindFromIndex(i);
 487     if (ancestors.Extent() == 1) theDangles.Bind(ancestors.First(), mayBeDangle);
 488   }
 489   return theDangles.Extent();
 490 }
 491
 492 //=======================================================================
 493 void loadGeneratedDangleShapes(
 494   const TopoDS_Shape&      theShapeIn,
 495   const TopAbs_ShapeEnum   theGeneratedFrom,
 496   TNaming_Builder *        theBuilder)
 497 {
 498   TopTools_DataMapOfShapeShape dangles;
 499   if (!getDangleShapes(theShapeIn, theGeneratedFrom, dangles)) return;
 500   TopTools_DataMapIteratorOfDataMapOfShapeShape itr(dangles);
 501   for (; itr.More(); itr.Next())
 502     theBuilder->Generated(itr.Key(), itr.Value());
 503 }
 504
 505 //=======================================================================
 506 void Model_BodyBuilder::loadNextLevels(std::shared_ptr<GeomAPI_Shape> theShape,
 507   const std::string& theName, int&  theTag)
 508 {
 509   if(theShape->isNull()) return;
 510   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 511   std::string aName;
 512   if (aShape.ShapeType() == TopAbs_SOLID) {
 513     TopExp_Explorer expl(aShape, TopAbs_FACE);
 514     for (; expl.More(); expl.Next()) {
 515       builder(theTag)->Generated(expl.Current());
 516       TCollection_AsciiString aStr(theTag);
 517       aName = theName + aStr.ToCString();
 518       buildName(theTag, aName);
 519       theTag++;
 520     }
 521   }
 522   else if (aShape.ShapeType() == TopAbs_SHELL || aShape.ShapeType() == TopAbs_FACE) {
 523     // load faces and all the free edges
 524     TopTools_IndexedMapOfShape Faces;
 525     TopExp::MapShapes(aShape, TopAbs_FACE, Faces);
 526     if (Faces.Extent() > 1 || (aShape.ShapeType() == TopAbs_SHELL && Faces.Extent() == 1)) {
 527       TopExp_Explorer expl(aShape, TopAbs_FACE);
 528       for (; expl.More(); expl.Next()) {
 529         builder(theTag)->Generated(expl.Current());
 530         TCollection_AsciiString aStr(theTag);
 531         aName = theName + aStr.ToCString();
 532         buildName(theTag, aName);
 533         theTag++;
 534       }
 535     }
 536     TopTools_IndexedDataMapOfShapeListOfShape anEdgeAndNeighbourFaces;
 537     TopExp::MapShapesAndAncestors(aShape, TopAbs_EDGE, TopAbs_FACE, anEdgeAndNeighbourFaces);
 538     for (Standard_Integer i = 1; i <= anEdgeAndNeighbourFaces.Extent(); i++)
 539     {
 540       const TopTools_ListOfShape& aLL = anEdgeAndNeighbourFaces.FindFromIndex(i);
 541       if (aLL.Extent() < 2) {
 542         if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeAndNeighbourFaces.FindKey(i))))
 543           continue;
 544         builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
 545         TCollection_AsciiString aStr(theTag);
 546         aName = theName + aStr.ToCString();
 547         buildName(theTag, aName);
 548         theTag++;
 549       } else {
 550         TopTools_ListIteratorOfListOfShape anIter(aLL);
 551         const TopoDS_Face& aFace = TopoDS::Face(anIter.Value());
 552         anIter.Next();
 553         if(aFace.IsEqual(anIter.Value())) {
 554           builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
 555           TCollection_AsciiString aStr(theTag);
 556           aName = theName + aStr.ToCString();
 557           buildName(theTag, aName);
 558           theTag++;
 559         }
 560       }
 561     }
 562   } else if (aShape.ShapeType() == TopAbs_WIRE) {
 563     TopTools_IndexedMapOfShape Edges;
 564     BRepTools::Map3DEdges(aShape, Edges);
 565     if (Edges.Extent() == 1) {
 566       builder(++theTag)->Generated(Edges.FindKey(1));
 567       TopExp_Explorer expl(aShape, TopAbs_VERTEX);
 568       for (; expl.More(); expl.Next()) {
 569         builder(theTag)->Generated(expl.Current());
 570         TCollection_AsciiString aStr(theTag);
 571         aName = theName + aStr.ToCString();
 572         buildName(theTag, aName);
 573         theTag++;
 574       }
 575     } else {
 576       TopExp_Explorer expl(aShape, TopAbs_EDGE);
 577       for (; expl.More(); expl.Next()) {
 578         builder(theTag)->Generated(expl.Current());
 579         TCollection_AsciiString aStr(theTag);
 580         aName = theName + aStr.ToCString();
 581         buildName(theTag, aName);
 582         theTag++;
 583       }
 584       // and load generated vertices.
 585       TopTools_DataMapOfShapeShape generated;
 586       if (getDangleShapes(aShape, TopAbs_EDGE, generated))
 587       {
 588         TNaming_Builder* pBuilder = builder(theTag++);
 589         loadGeneratedDangleShapes(aShape, TopAbs_EDGE, pBuilder);
 590       }
 591     }
 592   } else if (aShape.ShapeType() == TopAbs_EDGE) {
 593     TopExp_Explorer expl(aShape, TopAbs_VERTEX);
 594     for (; expl.More(); expl.Next()) {
 595       builder(theTag)->Generated(expl.Current());
 596       TCollection_AsciiString aStr(theTag);
 597       aName = theName + aStr.ToCString();
 598       buildName(theTag, aName);
 599       theTag++;
 600     }
 601   }
 602 }
 603
 604 //=======================================================================
 605 int findAmbiguities(const TopoDS_Shape&           theShapeIn,
 606   TopTools_ListOfShape&   theList)
 607 {
 608   int aNumEdges(0);
 609   theList.Clear();
 610   TopTools_IndexedDataMapOfShapeListOfShape subShapeAndAncestors;
 611   TopAbs_ShapeEnum aTS(TopAbs_EDGE);
 612   TopAbs_ShapeEnum aTA(TopAbs_FACE);
 613   TopTools_MapOfShape aMap1, aMap2; // map1 - for edge ancestors; map2 - for keys => edges
 614   TopTools_ListOfShape aKeyList;
 615   TopExp::MapShapesAndAncestors(theShapeIn, aTS, aTA, subShapeAndAncestors);
 616   for (Standard_Integer i = 1; i <= subShapeAndAncestors.Extent(); i++) {
 617     const TopoDS_Shape& aKeyEdge1 = subShapeAndAncestors.FindKey(i);
 618     const TopTools_ListOfShape& ancestors1 = subShapeAndAncestors.FindFromIndex(i);
 619     aMap1.Clear();
 620     TopTools_ListIteratorOfListOfShape it(ancestors1);
 621     for(;it.More();it.Next()) aMap1.Add(it.Value()); // fill map with key ancestors => aKey1
 622     for (Standard_Integer j = 1; j <= subShapeAndAncestors.Extent(); j++) {
 623       if (i == j) continue;
 624       const TopoDS_Shape& aKeyEdge2 = subShapeAndAncestors.FindKey(j);
 625       const TopTools_ListOfShape& ancestors2 = subShapeAndAncestors.FindFromIndex(j);
 626       if(ancestors1.Extent() == ancestors2.Extent() && ancestors1.Extent() > 1) {
 627         int aNum (ancestors2.Extent());
 628         TopTools_ListIteratorOfListOfShape it(ancestors2);
 629         for(;it.More();it.Next())
 630           if(aMap1.Contains(it.Value())) aNum--;
 631         if(aNum == 0) {
 632           if(aMap2.Add(aKeyEdge1))
 633             aKeyList.Append(aKeyEdge1);
 634           if(aMap2.Add(aKeyEdge2))
 635             aKeyList.Append(aKeyEdge2);
 636         }
 637       }
 638     } // at the end ==> List of edges to be named in addition
 639   }
 640   aNumEdges = aKeyList.Extent();
 641   if(aNumEdges)
 642     theList.Assign(aKeyList);
 643   return aNumEdges;
 644 }
 645
 646 //=======================================================================
 647 void Model_BodyBuilder::loadFirstLevel(
 648   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
 649 {
 650   if(theShape->isNull()) return;
 651   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 652   std::string aName;
 653   if (aShape.ShapeType() == TopAbs_COMPOUND || aShape.ShapeType() == TopAbs_COMPSOLID) {
 654     TopoDS_Iterator itr(aShape);
 655     for (; itr.More(); itr.Next(),theTag++) {
 656       builder(theTag)->Generated(itr.Value());
 657       TCollection_AsciiString aStr(theTag);
 658       aName = theName + aStr.ToCString();
 659       buildName(theTag, aName);
 660       if(!theName.empty()) buildName(theTag, aName);
 661       if (itr.Value().ShapeType() == TopAbs_COMPOUND ||
 662         itr.Value().ShapeType() == TopAbs_COMPSOLID)
 663       {
 664         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 665         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
 666         loadFirstLevel(itrShape, theName, theTag);
 667       } else {
 668         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 669         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
 670         loadNextLevels(itrShape, theName, theTag);
 671       }
 672     }
 673   } else {
 674     std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 675     itrShape->setImpl(new TopoDS_Shape(aShape));
 676     loadNextLevels(itrShape, theName, theTag);
 677   }
 678   TopTools_ListOfShape   aList;
 679   if(findAmbiguities(aShape, aList)) {
 680     TopTools_ListIteratorOfListOfShape it(aList);
 681     for (; it.More(); it.Next(),theTag++) {
 682       builder(theTag)->Generated(it.Value());
 683       TCollection_AsciiString aStr(theTag);
 684       aName = theName + aStr.ToCString();
 685       buildName(theTag, aName);
 686     }
 687   }
 688 }
 689
 690 //=======================================================================
 691 void Model_BodyBuilder::loadDisconnectedEdges(
 692   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
 693 {
 694   if(theShape->isNull()) return;
 695   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 696   TopTools_DataMapOfShapeListOfShape edgeNaborFaces;
 697   TopTools_ListOfShape empty;
 698   TopExp_Explorer explF(aShape, TopAbs_FACE);
 699   for (; explF.More(); explF.Next()) {
 700     const TopoDS_Shape& aFace = explF.Current();
 701     TopExp_Explorer explV(aFace, TopAbs_EDGE);
 702     for (; explV.More(); explV.Next()) {
 703       const TopoDS_Shape& anEdge = explV.Current();
 704       if (!edgeNaborFaces.IsBound(anEdge)) edgeNaborFaces.Bind(anEdge, empty);
 705       Standard_Boolean faceIsNew = Standard_True;
 706       TopTools_ListIteratorOfListOfShape itrF(edgeNaborFaces.Find(anEdge));
 707       for (; itrF.More(); itrF.Next()) {
 708         if (itrF.Value().IsSame(aFace)) {
 709           faceIsNew = Standard_False;
 710           break;
 711         }
 712       }
 713       if (faceIsNew)
 714         edgeNaborFaces.ChangeFind(anEdge).Append(aFace);
 715     }
 716   }
 717
 718   TopTools_MapOfShape anEdgesToDelete;
 719   TopExp_Explorer anEx(aShape,TopAbs_EDGE);
 720   std::string aName;
 721   for(;anEx.More();anEx.Next()) {
 722     Standard_Boolean aC0 = Standard_False;
 723     TopoDS_Shape anEdge1 = anEx.Current();
 724     if (edgeNaborFaces.IsBound(anEdge1)) {
 725       const TopTools_ListOfShape& aList1 = edgeNaborFaces.Find(anEdge1);
 726       if (aList1.Extent()<2) continue;
 727       TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(edgeNaborFaces);
 728       for (; itr.More(); itr.Next()) {
 729         TopoDS_Shape anEdge2 = itr.Key();
 730         if(anEdgesToDelete.Contains(anEdge2)) continue;
 731         if (anEdge1.IsSame(anEdge2)) continue;
 732         const TopTools_ListOfShape& aList2 = itr.Value();
 733         // compare lists of the neighbour faces of edge1 and edge2
 734         if (aList1.Extent() == aList2.Extent()) {
 735           Standard_Integer aMatches = 0;
 736           for(TopTools_ListIteratorOfListOfShape aLIter1(aList1);aLIter1.More();aLIter1.Next())
 737             for(TopTools_ListIteratorOfListOfShape aLIter2(aList2);aLIter2.More();aLIter2.Next())
 738               if (aLIter1.Value().IsSame(aLIter2.Value())) aMatches++;
 739           if (aMatches == aList1.Extent()) {
 740             aC0=Standard_True;
 741             builder(theTag)->Generated(anEdge2);
 742             anEdgesToDelete.Add(anEdge2);
 743             TCollection_AsciiString aStr(theTag);
 744             aName = theName + aStr.ToCString();
 745             buildName(theTag, aName);
 746             theTag++;
 747           }
 748         }
 749       }
 750       TopTools_MapIteratorOfMapOfShape itDelete(anEdgesToDelete);
 751       for(;itDelete.More();itDelete.Next())
 752         edgeNaborFaces.UnBind(itDelete.Key());
 753       edgeNaborFaces.UnBind(anEdge1);
 754     }
 755     if (aC0) {
 756       builder(theTag)->Generated(anEdge1);
 757       TCollection_AsciiString aStr(theTag);
 758       aName = theName + aStr.ToCString();
 759       buildName(theTag, aName);
 760       theTag++;
 761     }
 762   }
 763 }
 764
 765 void Model_BodyBuilder::loadDisconnectedVertexes(std::shared_ptr<GeomAPI_Shape> theShape,
 766                                                  const std::string& theName, int&  theTag)
 767 {
 768   if(theShape->isNull()) return;
 769   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 770   TopTools_DataMapOfShapeListOfShape vertexNaborEdges;
 771   TopTools_ListOfShape empty;
 772   TopExp_Explorer explF(aShape, TopAbs_EDGE);
 773   for (; explF.More(); explF.Next()) {
 774     const TopoDS_Shape& anEdge = explF.Current();
 775     TopExp_Explorer explV(anEdge, TopAbs_VERTEX);
 776     for (; explV.More(); explV.Next()) {
 777       const TopoDS_Shape& aVertex = explV.Current();
 778       if (!vertexNaborEdges.IsBound(aVertex)) vertexNaborEdges.Bind(aVertex, empty);
 779       Standard_Boolean faceIsNew = Standard_True;
 780       TopTools_ListIteratorOfListOfShape itrF(vertexNaborEdges.Find(aVertex));
 781       for (; itrF.More(); itrF.Next()) {
 782         if (itrF.Value().IsSame(anEdge)) {
 783           faceIsNew = Standard_False;
 784           break;
 785         }
 786       }
 787       if (faceIsNew) {
 788         vertexNaborEdges.ChangeFind(aVertex).Append(anEdge);
 789       }
 790     }
 791   }
 792   std::string aName;
 793   TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(vertexNaborEdges);
 794   for (; itr.More(); itr.Next()) {
 795     const TopTools_ListOfShape& naborEdges = itr.Value();
 796     if (naborEdges.Extent() < 2) {
 797       builder(theTag)->Generated(itr.Key());
 798       TCollection_AsciiString aStr(theTag);
 799       aName = theName + aStr.ToCString();
 800       buildName(theTag, aName);
 801       theTag++;
 802     }
 803   }
 804 }
 805
 806 std::shared_ptr<GeomAPI_Shape> Model_BodyBuilder::shape()
 807 {
 808   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 809   if (aData) {
 810     TDF_Label aShapeLab = aData->shapeLab();
 811     Handle(TDF_Reference) aRef;
 812     if (aShapeLab.FindAttribute(TDF_Reference::GetID(), aRef)) {
 813       aShapeLab = aRef->Get();
 814     }
 815     Handle(TNaming_NamedShape) aName;
 816     if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
 817       TopoDS_Shape aShape = aName->Get();
 818       if (!aShape.IsNull()) {
 819         std::shared_ptr<GeomAPI_Shape> aRes(new GeomAPI_Shape);
 820         aRes->setImpl(new TopoDS_Shape(aShape));
 821         return aRes;
 822       }
 823     }
 824   }
 825   return std::shared_ptr<GeomAPI_Shape>();
 826 }
 827
 828 bool Model_BodyBuilder::isLatestEqual(const std::shared_ptr<GeomAPI_Shape>& theShape)
 829 {
 830   if (theShape.get()) {
 831     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 832     std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 833     if (aData) {
 834       TDF_Label& aShapeLab = aData->shapeLab();
 835       Handle(TNaming_NamedShape) aName;
 836       if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
 837         TopoDS_Shape aLatest = TNaming_Tool::CurrentShape(aName);
 838         if (aLatest.IsNull())
 839           return false;
 840         if (aLatest.IsEqual(aShape))
 841           return true;
 842         // check sub-shapes for comp-solids:
 843         for (TopExp_Explorer anExp(aShape, aLatest.ShapeType()); anExp.More(); anExp.Next()) {
 844           if (aLatest.IsEqual(anExp.Current()))
 845             return true;
 846         }
 847       }
 848     }
 849   }
 850   return false;
 851 }