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