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   // remove the old reference (if any)
 274   aLab.ForgetAttribute(TDF_Reference::GetID());
 275 }
 276
 277 Model_BodyBuilder::~Model_BodyBuilder()
 278 {
 279   clean();
 280 }
 281
 282 TNaming_Builder* Model_BodyBuilder::builder(const int theTag)
 283 {
 284   std::map<int, TNaming_Builder*>::iterator aFind = myBuilders.find(theTag);
 285   if (aFind == myBuilders.end()) {
 286     std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 287     myBuilders[theTag] = new TNaming_Builder(aData->shapeLab().FindChild(theTag));
 288     aFind = myBuilders.find(theTag);
 289   }
 290   return aFind->second;
 291 }
 292
 293 void Model_BodyBuilder::buildName(const int theTag, const std::string& theName)
 294 {
 295   std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
 296   //aDoc->addNamingName(builder(theTag)->NamedShape()->Label(), theName);
 297   TDataStd_Name::Set(builder(theTag)->NamedShape()->Label(), theName.c_str());
 298 }
 299 void Model_BodyBuilder::generated(
 300   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 301 {
 302   TopoDS_Shape aShape = theNewShape->impl<TopoDS_Shape>();
 303   builder(theTag)->Generated(aShape);
 304   if(!theName.empty())
 305     buildName(theTag, theName);
 306 }
 307
 308 void Model_BodyBuilder::generated(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 309   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 310 {
 311   TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
 312   TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
 313   builder(theTag)->Generated(anOldShape, aNewShape);
 314   if(!theName.empty())
 315     buildName(theTag, theName);
 316   TopAbs_ShapeEnum aGenShapeType = aNewShape.ShapeType();
 317   if(aGenShapeType == TopAbs_WIRE || aGenShapeType == TopAbs_SHELL) {
 318     TopAbs_ShapeEnum anExplodeShapeType = aGenShapeType == TopAbs_WIRE ? TopAbs_EDGE : TopAbs_FACE;
 319     const TDF_Label aLabel = builder(theTag)->NamedShape()->Label();
 320     int aTag = 1;
 321     std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
 322     for(TopExp_Explorer anExp(aNewShape, anExplodeShapeType); anExp.More(); anExp.Next()) {
 323       TDF_Label aChildLabel = aLabel.FindChild(aTag);
 324       TNaming_Builder aBuilder(aChildLabel);
 325       aBuilder.Generated(anOldShape, anExp.Current());
 326       TCollection_AsciiString aChildName = TCollection_AsciiString((theName + "_").c_str()) + aTag;
 327       //aDoc->addNamingName(aChildLabel, aChildName.ToCString());
 328       TDataStd_Name::Set(aChildLabel, aChildName.ToCString());
 329       aTag++;
 330     }
 331   }
 332 }
 333
 334
 335 void Model_BodyBuilder::modified(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 336   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 337 {
 338   TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
 339   TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
 340   builder(theTag)->Modify(anOldShape, aNewShape);
 341   if(!theName.empty())
 342     buildName(theTag, theName);
 343 }
 344
 345 void Model_BodyBuilder::deleted(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 346   const int theTag)
 347 {
 348   TopoDS_Shape aShape = theOldShape->impl<TopoDS_Shape>();
 349   builder(theTag)->Delete(aShape);
 350 }
 351
 352 void Model_BodyBuilder::loadDeletedShapes (GeomAlgoAPI_MakeShape* theMS,
 353   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 354   const int  theKindOfShape,
 355   const int  theTag)
 356 {
 357   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 358   TopTools_MapOfShape aView;
 359   TopExp_Explorer ShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 360   for (; ShapeExplorer.More(); ShapeExplorer.Next ()) {
 361     const TopoDS_Shape& aRoot = ShapeExplorer.Current ();
 362     if (!aView.Add(aRoot)) continue;
 363     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 364     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 365     if (theMS->isDeleted (aRShape)) {
 366       builder(theTag)->Delete(aRoot);
 367     }
 368   }
 369 }
 370
 371 void Model_BodyBuilder::loadAndOrientModifiedShapes (
 372   GeomAlgoAPI_MakeShape* theMS,
 373   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 374   const int  theKindOfShape,
 375   const int  theTag,
 376   const std::string& theName,
 377   GeomAPI_DataMapOfShapeShape& theSubShapes,
 378   const bool theIsStoreSeparate,
 379   const bool theIsStoreAsGenerated)
 380 {
 381   int anIndex = 1;
 382   int aTag = theTag;
 383   bool isBuilt = !theName.empty();
 384   std::string aName = theName;
 385   std::ostringstream aStream;
 386   GeomShapePtr aResultShape = shape();
 387   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 388   TopTools_MapOfShape aView;
 389   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 390   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
 391     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
 392     if (!aView.Add(aRoot)) continue;
 393     if (TNaming_Tool::NamedShape(aRoot, builder(theTag)->NamedShape()->Label()).IsNull())
 394       continue; // there is no sense to write history if old shape does not exist in the document
 395     ListOfShape aList;
 396     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 397     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 398     theMS->modified(aRShape, aList);
 399     // to trace situation where several objects are produced by one parent (#2317)
 400     int aSameParentShapes = -1;
 401     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator
 402       anIt = aList.begin(), aLast = aList.end();
 403     for (; anIt != aLast; anIt++) {
 404       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 405       if (theSubShapes.isBound(*anIt)) {
 406         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
 407         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
 408       }
 409       GeomShapePtr aGeomNewShape(new GeomAPI_Shape());
 410       aGeomNewShape->setImpl(new TopoDS_Shape(aNewShape));
 411       if(!aRoot.IsSame(aNewShape) && aResultShape->isSubShape(aGeomNewShape, false) &&
 412          !aResultShape->isSame(*anIt)) { // to avoid put of same shape on main label and sub
 413         int aBuilderTag = aTag;
 414         if (!theIsStoreSeparate)
 415           aSameParentShapes++;
 416         if (aSameParentShapes > 0) { // store in other label
 417           aBuilderTag = 100000 - aSameParentShapes * 10 - aTag;
 418         }
 419         if(theIsStoreAsGenerated) {
 420           // Here we store shapes as generated, to avoid problem when one parent shape produce
 421           // several child shapes. In this case naming could not determine which shape to select.
 422           builder(aBuilderTag)->Generated(aRoot,aNewShape);
 423         } else {
 424           builder(aBuilderTag)->Modify(aRoot,aNewShape);
 425         }
 426         if(isBuilt) {
 427           if(theIsStoreSeparate) {
 428             aStream.str(std::string());
 429             aStream.clear();
 430             aStream << theName << "_" << anIndex++;
 431             aName = aStream.str();
 432           }
 433           if (aSameParentShapes > 0) {
 434             aStream.str(std::string());
 435             aStream.clear();
 436             aStream << aName << "_" << aSameParentShapes << "divided";
 437             std::string aNameDiv = aStream.str();
 438             buildName(aBuilderTag, aNameDiv);
 439           } else {
 440             buildName(aBuilderTag, aName);
 441           }
 442         }
 443         if(theIsStoreSeparate) {
 444           aTag++;
 445         }
 446       }
 447     }
 448   }
 449 }
 450
 451 void Model_BodyBuilder::loadAndOrientGeneratedShapes (
 452   GeomAlgoAPI_MakeShape* theMS,
 453   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 454   const int  theKindOfShape,
 455   const int  theTag,
 456   const std::string& theName,
 457   GeomAPI_DataMapOfShapeShape& theSubShapes)
 458 {
 459   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 460   TopTools_MapOfShape aView;
 461   bool isBuilt = !theName.empty();
 462   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 463   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
 464     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
 465     if (!aView.Add(aRoot)) continue;
 466     //if (TNaming_Tool::NamedShape(aRoot, builder(theTag)->NamedShape()->Label()).IsNull())
 467     //  continue; // there is no sense to write history if old shape does not exist in the document
 468     ListOfShape aList;
 469     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 470     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 471     theMS->generated(aRShape, aList);
 472     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator
 473       anIt = aList.begin(), aLast = aList.end();
 474     for (; anIt != aLast; anIt++) {
 475       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 476       if (theSubShapes.isBound(*anIt)) {
 477         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
 478         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
 479       }
 480       if (!aRoot.IsSame (aNewShape)) {
 481         builder(theTag)->Generated(aRoot,aNewShape);
 482         if(isBuilt)
 483           buildName(theTag, theName);
 484       }
 485       TopAbs_ShapeEnum aGenShapeType = aNewShape.ShapeType();
 486       if(aGenShapeType == TopAbs_WIRE || aGenShapeType == TopAbs_SHELL) {
 487         TopAbs_ShapeEnum anExplodeShapeType =
 488           aGenShapeType == TopAbs_WIRE ? TopAbs_EDGE : TopAbs_FACE;
 489         const TDF_Label aLabel = builder(theTag)->NamedShape()->Label();
 490         int aTag = 1;
 491         std::shared_ptr<Model_Document> aDoc =
 492           std::dynamic_pointer_cast<Model_Document>(document());
 493         for(TopExp_Explorer anExp(aNewShape, anExplodeShapeType); anExp.More(); anExp.Next()) {
 494           TDF_Label aChildLabel = aLabel.FindChild(aTag);
 495           TNaming_Builder aBuilder(aChildLabel);
 496           aBuilder.Generated(aRoot, anExp.Current());
 497           TCollection_AsciiString aChildName =
 498             TCollection_AsciiString((theName + "_").c_str()) + aTag;
 499           TDataStd_Name::Set(aChildLabel, aChildName.ToCString());
 500           aTag++;
 501         }
 502       }
 503     }
 504   }
 505 }
 506
 507 //=======================================================================
 508 int getDangleShapes(const TopoDS_Shape&           theShapeIn,
 509   const TopAbs_ShapeEnum        theGeneratedFrom,
 510   TopTools_DataMapOfShapeShape& theDangles)
 511 {
 512   theDangles.Clear();
 513   TopTools_IndexedDataMapOfShapeListOfShape subShapeAndAncestors;
 514   TopAbs_ShapeEnum GeneratedTo;
 515   if (theGeneratedFrom == TopAbs_FACE) GeneratedTo = TopAbs_EDGE;
 516   else if (theGeneratedFrom == TopAbs_EDGE) GeneratedTo = TopAbs_VERTEX;
 517   else return Standard_False;
 518   TopExp::MapShapesAndAncestors(theShapeIn, GeneratedTo, theGeneratedFrom, subShapeAndAncestors);
 519   for (Standard_Integer i = 1; i <= subShapeAndAncestors.Extent(); i++) {
 520     const TopoDS_Shape& mayBeDangle = subShapeAndAncestors.FindKey(i);
 521     const TopTools_ListOfShape& ancestors = subShapeAndAncestors.FindFromIndex(i);
 522     if (ancestors.Extent() == 1) theDangles.Bind(ancestors.First(), mayBeDangle);
 523   }
 524   return theDangles.Extent();
 525 }
 526
 527 //=======================================================================
 528 void loadGeneratedDangleShapes(
 529   const TopoDS_Shape&      theShapeIn,
 530   const TopAbs_ShapeEnum   theGeneratedFrom,
 531   TNaming_Builder *        theBuilder)
 532 {
 533   TopTools_DataMapOfShapeShape dangles;
 534   if (!getDangleShapes(theShapeIn, theGeneratedFrom, dangles)) return;
 535   TopTools_DataMapIteratorOfDataMapOfShapeShape itr(dangles);
 536   for (; itr.More(); itr.Next())
 537     theBuilder->Generated(itr.Key(), itr.Value());
 538 }
 539
 540 //=======================================================================
 541 void Model_BodyBuilder::loadNextLevels(std::shared_ptr<GeomAPI_Shape> theShape,
 542   const std::string& theName, int&  theTag)
 543 {
 544   if(theShape->isNull()) return;
 545   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 546   std::string aName;
 547   if (aShape.ShapeType() == TopAbs_SOLID) {
 548     TopExp_Explorer expl(aShape, TopAbs_FACE);
 549     for (; expl.More(); expl.Next()) {
 550       builder(theTag)->Generated(expl.Current());
 551       TCollection_AsciiString aStr(theTag);
 552       aName = theName + aStr.ToCString();
 553       buildName(theTag, aName);
 554       theTag++;
 555     }
 556   }
 557   else if (aShape.ShapeType() == TopAbs_SHELL || aShape.ShapeType() == TopAbs_FACE) {
 558     // load faces and all the free edges
 559     TopTools_IndexedMapOfShape Faces;
 560     TopExp::MapShapes(aShape, TopAbs_FACE, Faces);
 561     if (Faces.Extent() > 1 || (aShape.ShapeType() == TopAbs_SHELL && Faces.Extent() == 1)) {
 562       TopExp_Explorer expl(aShape, TopAbs_FACE);
 563       for (; expl.More(); expl.Next()) {
 564         builder(theTag)->Generated(expl.Current());
 565         TCollection_AsciiString aStr(theTag);
 566         aName = theName + aStr.ToCString();
 567         buildName(theTag, aName);
 568         theTag++;
 569       }
 570     }
 571     TopTools_IndexedDataMapOfShapeListOfShape anEdgeAndNeighbourFaces;
 572     TopExp::MapShapesAndAncestors(aShape, TopAbs_EDGE, TopAbs_FACE, anEdgeAndNeighbourFaces);
 573     for (Standard_Integer i = 1; i <= anEdgeAndNeighbourFaces.Extent(); i++)
 574     {
 575       const TopTools_ListOfShape& aLL = anEdgeAndNeighbourFaces.FindFromIndex(i);
 576       if (aLL.Extent() < 2) {
 577         if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeAndNeighbourFaces.FindKey(i))))
 578           continue;
 579         builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
 580         TCollection_AsciiString aStr(theTag);
 581         aName = theName + aStr.ToCString();
 582         buildName(theTag, aName);
 583         theTag++;
 584       } else {
 585         TopTools_ListIteratorOfListOfShape anIter(aLL);
 586         const TopoDS_Face& aFace = TopoDS::Face(anIter.Value());
 587         anIter.Next();
 588         if(aFace.IsEqual(anIter.Value())) {
 589           builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
 590           TCollection_AsciiString aStr(theTag);
 591           aName = theName + aStr.ToCString();
 592           buildName(theTag, aName);
 593           theTag++;
 594         }
 595       }
 596     }
 597   } else if (aShape.ShapeType() == TopAbs_WIRE) {
 598     TopTools_IndexedMapOfShape Edges;
 599     BRepTools::Map3DEdges(aShape, Edges);
 600     if (Edges.Extent() == 1) {
 601       builder(theTag++)->Generated(Edges.FindKey(1));
 602       TopExp_Explorer expl(aShape, TopAbs_VERTEX);
 603       for (; expl.More(); expl.Next()) {
 604         builder(theTag)->Generated(expl.Current());
 605         TCollection_AsciiString aStr(theTag);
 606         aName = theName + aStr.ToCString();
 607         buildName(theTag, aName);
 608         theTag++;
 609       }
 610     } else {
 611       TopExp_Explorer expl(aShape, TopAbs_EDGE);
 612       for (; expl.More(); expl.Next()) {
 613         builder(theTag)->Generated(expl.Current());
 614         TCollection_AsciiString aStr(theTag);
 615         aName = theName + aStr.ToCString();
 616         buildName(theTag, aName);
 617         theTag++;
 618       }
 619       // and load generated vertices.
 620       TopTools_DataMapOfShapeShape generated;
 621       if (getDangleShapes(aShape, TopAbs_EDGE, generated))
 622       {
 623         TNaming_Builder* pBuilder = builder(theTag++);
 624         loadGeneratedDangleShapes(aShape, TopAbs_EDGE, pBuilder);
 625       }
 626     }
 627   } else if (aShape.ShapeType() == TopAbs_EDGE) {
 628     TopExp_Explorer expl(aShape, TopAbs_VERTEX);
 629     for (; expl.More(); expl.Next()) {
 630       builder(theTag)->Generated(expl.Current());
 631       TCollection_AsciiString aStr(theTag);
 632       aName = theName + aStr.ToCString();
 633       buildName(theTag, aName);
 634       theTag++;
 635     }
 636   }
 637 }
 638
 639 //=======================================================================
 640 int findAmbiguities(const TopoDS_Shape&           theShapeIn,
 641   TopTools_ListOfShape&   theList)
 642 {
 643   theList.Clear();
 644   // edges -> ancestor faces list
 645   TopTools_IndexedDataMapOfShapeListOfShape aSubShapeAndAncestors;
 646   TopExp::MapShapesAndAncestors(theShapeIn, TopAbs_EDGE, TopAbs_FACE, aSubShapeAndAncestors);
 647   // keeps the shapes which are already in the resulting list
 648   TopTools_MapOfShape alreadyThere;
 649   // map from faces identifier (combination of hash-codes) to list of edges produced such ID
 650   NCollection_DataMap<int, NCollection_List<TopoDS_Shape> > aFacesIDs;
 651
 652   TopTools_IndexedDataMapOfShapeListOfShape::Iterator anAncestorsIter(aSubShapeAndAncestors);
 653   for (; anAncestorsIter.More(); anAncestorsIter.Next()) {
 654     const TopTools_ListOfShape& ancestors = anAncestorsIter.Value();
 655     if (ancestors.Extent() < 2)
 656       continue;
 657     Standard_Integer anID = 0;
 658     for(TopTools_ListIteratorOfListOfShape aFaceIt(ancestors); aFaceIt.More(); aFaceIt.Next()) {
 659       anID ^= HashCode(aFaceIt.ChangeValue(), 1990657); // Pierpont prime
 660     }
 661     if (aFacesIDs.IsBound(anID)) { // there found same edge, check they really have same faces
 662       const NCollection_List<TopoDS_Shape>& aSameFaces1 =
 663         aSubShapeAndAncestors.FindFromKey(anAncestorsIter.Key());
 664       NCollection_List<TopoDS_Shape>::Iterator aSameEdge(aFacesIDs.ChangeFind(anID));
 665       for(; aSameEdge.More(); aSameEdge.Next()) {
 666         const NCollection_List<TopoDS_Shape>& aSameFaces2 =
 667           aSubShapeAndAncestors.FindFromKey(aSameEdge.Value());
 668         if (aSameFaces2.Extent() != aSameFaces1.Extent()) // the number of faces is different
 669           break;
 670
 671         NCollection_List<TopoDS_Shape>::Iterator aFaceIter1(aSameFaces1);
 672         for(; aFaceIter1.More(); aFaceIter1.Next()) {
 673           NCollection_List<TopoDS_Shape>::Iterator aFaceIter2(aSameFaces2);
 674           for(; aFaceIter2.More(); aFaceIter2.Next()) {
 675             if (aFaceIter1.Value().IsSame(aFaceIter2.Value()))
 676               break;
 677           }
 678           if (!aFaceIter2.More()) // aFaceIter1 contains a face, which is not in aFaceIter2
 679             break;
 680         }
 681         if (!aFaceIter1.More()) { // all the faces are same => put to the result
 682           if (alreadyThere.Add(aSameEdge.Value()))
 683             theList.Append(aSameEdge.Value());
 684           if (alreadyThere.Add(anAncestorsIter.Key()))
 685             theList.Append(anAncestorsIter.Key());
 686         }
 687       }
 688     } else { // ID is unique, just add this edge
 689       aFacesIDs.Bind(anID, NCollection_List<TopoDS_Shape>());
 690     }
 691     aFacesIDs.ChangeFind(anID).Append(anAncestorsIter.Key()); // add to the list anyway
 692   }
 693   return theList.Extent();
 694 }
 695
 696 //=======================================================================
 697 void Model_BodyBuilder::loadFirstLevel(
 698   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
 699 {
 700   if(theShape->isNull()) return;
 701   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 702   std::string aName;
 703   if (aShape.ShapeType() == TopAbs_COMPOUND || aShape.ShapeType() == TopAbs_COMPSOLID) {
 704     TopoDS_Iterator itr(aShape);
 705     for (; itr.More(); itr.Next()) {
 706       builder(theTag)->Generated(itr.Value());
 707       TCollection_AsciiString aStr(theTag);
 708       aName = theName + aStr.ToCString();
 709       buildName(theTag, aName);
 710       if(!theName.empty()) buildName(theTag, aName);
 711       theTag++;
 712       if (itr.Value().ShapeType() == TopAbs_COMPOUND ||
 713         itr.Value().ShapeType() == TopAbs_COMPSOLID)
 714       {
 715         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 716         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
 717         loadFirstLevel(itrShape, theName, theTag);
 718       } else {
 719         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 720         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
 721         loadNextLevels(itrShape, theName, theTag);
 722       }
 723     }
 724   } else {
 725     std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 726     itrShape->setImpl(new TopoDS_Shape(aShape));
 727     loadNextLevels(itrShape, theName, theTag);
 728   }
 729   TopTools_ListOfShape   aList;
 730   if(findAmbiguities(aShape, aList)) {
 731     TopTools_ListIteratorOfListOfShape it(aList);
 732     for (; it.More(); it.Next(),theTag++) {
 733       builder(theTag)->Generated(it.Value());
 734       TCollection_AsciiString aStr(theTag);
 735       aName = theName + aStr.ToCString();
 736       buildName(theTag, aName);
 737     }
 738   }
 739 }
 740
 741 //=======================================================================
 742 void Model_BodyBuilder::loadDisconnectedEdges(
 743   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
 744 {
 745   if(theShape->isNull()) return;
 746   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 747   TopTools_DataMapOfShapeListOfShape edgeNaborFaces;
 748   TopTools_ListOfShape empty;
 749   TopExp_Explorer explF(aShape, TopAbs_FACE);
 750   for (; explF.More(); explF.Next()) {
 751     const TopoDS_Shape& aFace = explF.Current();
 752     TopExp_Explorer explV(aFace, TopAbs_EDGE);
 753     for (; explV.More(); explV.Next()) {
 754       const TopoDS_Shape& anEdge = explV.Current();
 755       if (!edgeNaborFaces.IsBound(anEdge)) edgeNaborFaces.Bind(anEdge, empty);
 756       Standard_Boolean faceIsNew = Standard_True;
 757       TopTools_ListIteratorOfListOfShape itrF(edgeNaborFaces.Find(anEdge));
 758       for (; itrF.More(); itrF.Next()) {
 759         if (itrF.Value().IsSame(aFace)) {
 760           faceIsNew = Standard_False;
 761           break;
 762         }
 763       }
 764       if (faceIsNew)
 765         edgeNaborFaces.ChangeFind(anEdge).Append(aFace);
 766     }
 767   }
 768
 769   TopTools_MapOfShape anEdgesToDelete;
 770   TopExp_Explorer anEx(aShape,TopAbs_EDGE);
 771   std::string aName;
 772   for(;anEx.More();anEx.Next()) {
 773     Standard_Boolean aC0 = Standard_False;
 774     TopoDS_Shape anEdge1 = anEx.Current();
 775     if (edgeNaborFaces.IsBound(anEdge1)) {
 776       const TopTools_ListOfShape& aList1 = edgeNaborFaces.Find(anEdge1);
 777       if (aList1.Extent()<2) continue;
 778       TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(edgeNaborFaces);
 779       for (; itr.More(); itr.Next()) {
 780         TopoDS_Shape anEdge2 = itr.Key();
 781         if(anEdgesToDelete.Contains(anEdge2)) continue;
 782         if (anEdge1.IsSame(anEdge2)) continue;
 783         const TopTools_ListOfShape& aList2 = itr.Value();
 784         // compare lists of the neighbour faces of edge1 and edge2
 785         if (aList1.Extent() == aList2.Extent()) {
 786           Standard_Integer aMatches = 0;
 787           for(TopTools_ListIteratorOfListOfShape aLIter1(aList1);aLIter1.More();aLIter1.Next())
 788             for(TopTools_ListIteratorOfListOfShape aLIter2(aList2);aLIter2.More();aLIter2.Next())
 789               if (aLIter1.Value().IsSame(aLIter2.Value())) aMatches++;
 790           if (aMatches == aList1.Extent()) {
 791             aC0=Standard_True;
 792             builder(theTag)->Generated(anEdge2);
 793             anEdgesToDelete.Add(anEdge2);
 794             TCollection_AsciiString aStr(theTag);
 795             aName = theName + aStr.ToCString();
 796             buildName(theTag, aName);
 797             theTag++;
 798           }
 799         }
 800       }
 801       TopTools_MapIteratorOfMapOfShape itDelete(anEdgesToDelete);
 802       for(;itDelete.More();itDelete.Next())
 803         edgeNaborFaces.UnBind(itDelete.Key());
 804       edgeNaborFaces.UnBind(anEdge1);
 805     }
 806     if (aC0) {
 807       builder(theTag)->Generated(anEdge1);
 808       TCollection_AsciiString aStr(theTag);
 809       aName = theName + aStr.ToCString();
 810       buildName(theTag, aName);
 811       theTag++;
 812     }
 813   }
 814 }
 815
 816 void Model_BodyBuilder::loadDisconnectedVertexes(std::shared_ptr<GeomAPI_Shape> theShape,
 817                                                  const std::string& theName, int&  theTag)
 818 {
 819   if(theShape->isNull()) return;
 820   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 821   TopTools_DataMapOfShapeListOfShape vertexNaborEdges;
 822   TopTools_ListOfShape empty;
 823   TopExp_Explorer explF(aShape, TopAbs_EDGE);
 824   for (; explF.More(); explF.Next()) {
 825     const TopoDS_Shape& anEdge = explF.Current();
 826     TopExp_Explorer explV(anEdge, TopAbs_VERTEX);
 827     for (; explV.More(); explV.Next()) {
 828       const TopoDS_Shape& aVertex = explV.Current();
 829       if (!vertexNaborEdges.IsBound(aVertex)) vertexNaborEdges.Bind(aVertex, empty);
 830       Standard_Boolean faceIsNew = Standard_True;
 831       TopTools_ListIteratorOfListOfShape itrF(vertexNaborEdges.Find(aVertex));
 832       for (; itrF.More(); itrF.Next()) {
 833         if (itrF.Value().IsSame(anEdge)) {
 834           faceIsNew = Standard_False;
 835           break;
 836         }
 837       }
 838       if (faceIsNew) {
 839         vertexNaborEdges.ChangeFind(aVertex).Append(anEdge);
 840       }
 841     }
 842   }
 843   std::string aName;
 844   TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(vertexNaborEdges);
 845   for (; itr.More(); itr.Next()) {
 846     const TopTools_ListOfShape& naborEdges = itr.Value();
 847     if (naborEdges.Extent() < 2) {
 848       builder(theTag)->Generated(itr.Key());
 849       TCollection_AsciiString aStr(theTag);
 850       aName = theName + aStr.ToCString();
 851       buildName(theTag, aName);
 852       theTag++;
 853     }
 854   }
 855 }
 856
 857 std::shared_ptr<GeomAPI_Shape> Model_BodyBuilder::shape()
 858 {
 859   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 860   if (aData) {
 861     TDF_Label aShapeLab = aData->shapeLab();
 862     Handle(TDF_Reference) aRef;
 863     if (aShapeLab.FindAttribute(TDF_Reference::GetID(), aRef)) {
 864       aShapeLab = aRef->Get();
 865     }
 866     Handle(TNaming_NamedShape) aName;
 867     if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
 868       TopoDS_Shape aShape = aName->Get();
 869       if (!aShape.IsNull()) {
 870         std::shared_ptr<GeomAPI_Shape> aRes(new GeomAPI_Shape);
 871         aRes->setImpl(new TopoDS_Shape(aShape));
 872         return aRes;
 873       }
 874     }
 875   }
 876   return std::shared_ptr<GeomAPI_Shape>();
 877 }
 878
 879 bool Model_BodyBuilder::isLatestEqual(const std::shared_ptr<GeomAPI_Shape>& theShape)
 880 {
 881   if (theShape.get()) {
 882     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 883     std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 884     if (aData) {
 885       TDF_Label& aShapeLab = aData->shapeLab();
 886       Handle(TNaming_NamedShape) aName;
 887       if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
 888         TopoDS_Shape aLatest = TNaming_Tool::CurrentShape(aName);
 889         if (aLatest.IsNull())
 890           return false;
 891         if (aLatest.IsEqual(aShape))
 892           return true;
 893         // check sub-shapes for comp-solids:
 894         for (TopExp_Explorer anExp(aShape, aLatest.ShapeType()); anExp.More(); anExp.Next()) {
 895           if (aLatest.IsEqual(anExp.Current()))
 896             return true;
 897         }
 898       }
 899     }
 900   }
 901   return false;
 902 }