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