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 <GeomAlgoAPI_SortListOfShapes.h>
  53 #include <Config_PropManager.h>
  54 // DEB
  55 //#include <TCollection_AsciiString.hxx>
  56 //#include <TDF_Tool.hxx>
  57 //#define DEB_IMPORT 1
  58
  59 Model_BodyBuilder::Model_BodyBuilder(ModelAPI_Object* theOwner)
  60 : ModelAPI_BodyBuilder(theOwner)
  61 {
  62 }
  63
  64 // Converts evolution of naming shape to selection evelution and back to avoid
  65 // naming support on the disabled results. Deeply in the labels tree, recursively.
  66 static void evolutionToSelectionRec(TDF_Label theLab, const bool theFlag) {
  67   std::list<std::pair<TopoDS_Shape, TopoDS_Shape> > aShapePairs; // to store old and new shapes
  68   Handle(TNaming_NamedShape) aName;
  69   int anEvolution = -1;
  70   if (theLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
  71     TNaming_Evolution aNSEvol = aName->Evolution();
  72     if ((aNSEvol == TNaming_SELECTED && theFlag) ||
  73         (aNSEvol != TNaming_SELECTED && !theFlag)) { // nothing to do, it is already correct
  74       return;
  75     }
  76     anEvolution = (int)(aNSEvol);
  77     if (!theFlag) {
  78       Handle(TDataStd_Integer) anAttrEvol;
  79       if (theLab.FindAttribute(TDataStd_Integer::GetID(), anAttrEvol)) {
  80         anEvolution = anAttrEvol->Get();
  81       }
  82     } else {
  83       TDataStd_Integer::Set(theLab, anEvolution);
  84     }
  85
  86     for(TNaming_Iterator anIter(aName); anIter.More(); anIter.Next()) {
  87       // iterator goes in reversed order relatively to the Builder, to, make the list reversed
  88       aShapePairs.push_front(std::pair<TopoDS_Shape, TopoDS_Shape>
  89         (anIter.OldShape(), anIter.NewShape()));
  90     }
  91
  92     // create new
  93     TNaming_Builder aBuilder(theLab);
  94     TNaming_Evolution anEvol = (TNaming_Evolution)(anEvolution);
  95     std::list<std::pair<TopoDS_Shape, TopoDS_Shape> >::iterator aPairsIter = aShapePairs.begin();
  96     for(; aPairsIter != aShapePairs.end(); aPairsIter++) {
  97       if (theFlag) { // disabled => make selection
  98         if (anEvolution == TNaming_DELETE) // issue 2274 : don't put too many same null shapes
  99           aBuilder.Select(aPairsIter->first, aPairsIter->first);
 100         else if (anEvolution == TNaming_PRIMITIVE)
 101           aBuilder.Select(aPairsIter->second, aPairsIter->second);
 102         else
 103           aBuilder.Select(aPairsIter->second, aPairsIter->first);
 104       } else if (anEvol == TNaming_GENERATED) {
 105         aBuilder.Generated(aPairsIter->first, aPairsIter->second);
 106       } else if (anEvol == TNaming_MODIFY) {
 107         aBuilder.Modify(aPairsIter->first, aPairsIter->second);
 108       } else if (anEvol == TNaming_DELETE) {
 109         aBuilder.Delete(aPairsIter->first);
 110       } else if (anEvol == TNaming_PRIMITIVE) {
 111         aBuilder.Generated(aPairsIter->second);
 112       } else if (anEvol == TNaming_SELECTED) {
 113         aBuilder.Select(aPairsIter->second, aPairsIter->first);
 114       }
 115     }
 116   }
 117   // recursive call for all sub-labels
 118   TDF_ChildIterator anIter(theLab, Standard_False);
 119   for(; anIter.More(); anIter.Next()) {
 120     evolutionToSelectionRec(anIter.Value(), theFlag);
 121   }
 122 }
 123
 124 void Model_BodyBuilder::evolutionToSelection(const bool theFlag)
 125 {
 126   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 127   if (!aData) // unknown case
 128     return;
 129   TDF_Label& aShapeLab = aData->shapeLab();
 130   evolutionToSelectionRec(aShapeLab, theFlag);
 131 }
 132
 133 void Model_BodyBuilder::store(const std::shared_ptr<GeomAPI_Shape>& theShape,
 134                               const bool theIsStoreSameShapes)
 135 {
 136   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 137   if (aData) {
 138     TDF_Label& aShapeLab = aData->shapeLab();
 139     // clean builders
 140     clean();
 141     // store the new shape as primitive
 142     TNaming_Builder aBuilder(aShapeLab);
 143     if (!theShape)
 144       return;  // bad shape
 145     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 146     if (aShape.IsNull())
 147       return;  // null shape inside
 148
 149     if(!theIsStoreSameShapes) {
 150       Handle(TNaming_NamedShape) aNS = TNaming_Tool::NamedShape(aShape, aShapeLab);
 151       if(!aNS.IsNull() && !aNS->IsEmpty()) {
 152         // This shape is already in document, store reference instead of shape;
 153         const TDF_Label aFoundLabel = aNS->Label();
 154         TDF_Reference::Set(aShapeLab, aFoundLabel);
 155         aShapeLab.ForgetAttribute(TNaming_NamedShape::GetID());
 156         return;
 157       }
 158     }
 159
 160     aBuilder.Generated(aShape);
 161     // register name
 162     aShapeLab.ForgetAttribute(TDF_Reference::GetID());
 163     if(!aBuilder.NamedShape()->IsEmpty()) {
 164       Handle(TDataStd_Name) anAttr;
 165       if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
 166         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
 167         if(!aName.empty()) {
 168           std::shared_ptr<Model_Document> aDoc =
 169             std::dynamic_pointer_cast<Model_Document>(document());
 170           aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
 171         }
 172       }
 173     }
 174   }
 175 }
 176
 177 void Model_BodyBuilder::storeGenerated(const std::shared_ptr<GeomAPI_Shape>& theFromShape,
 178   const std::shared_ptr<GeomAPI_Shape>& theToShape)
 179 {
 180   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 181   if (aData) {
 182     TDF_Label& aShapeLab = aData->shapeLab();
 183     // clean builders
 184     clean();
 185     // store the new shape as primitive
 186     TNaming_Builder aBuilder(aShapeLab);
 187     if (!theFromShape || !theToShape)
 188       return;  // bad shape
 189     TopoDS_Shape aShapeBasis = theFromShape->impl<TopoDS_Shape>();
 190     if (aShapeBasis.IsNull())
 191       return;  // null shape inside
 192     TopoDS_Shape aShapeNew = theToShape->impl<TopoDS_Shape>();
 193     if (aShapeNew.IsNull())
 194       return;  // null shape inside
 195     aBuilder.Generated(aShapeBasis, aShapeNew);
 196     // register name
 197     if(!aBuilder.NamedShape()->IsEmpty()) {
 198       Handle(TDataStd_Name) anAttr;
 199       if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
 200         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
 201         if(!aName.empty()) {
 202           std::shared_ptr<Model_Document> aDoc =
 203             std::dynamic_pointer_cast<Model_Document>(document());
 204           aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
 205         }
 206       }
 207     }
 208   }
 209 }
 210
 211 void Model_BodyBuilder::storeModified(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 212   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const int theDecomposeSolidsTag)
 213 {
 214   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 215   if (aData) {
 216     TDF_Label& aShapeLab = aData->shapeLab();
 217     // clean builders
 218     clean();
 219     // store the new shape as primitive
 220     TNaming_Builder aBuilder(aShapeLab);
 221     if (!theOldShape || !theNewShape)
 222       return;  // bad shape
 223     TopoDS_Shape aShapeOld = theOldShape->impl<TopoDS_Shape>();
 224     if (aShapeOld.IsNull())
 225       return;  // null shape inside
 226     TopoDS_Shape aShapeNew = theNewShape->impl<TopoDS_Shape>();
 227     if (aShapeNew.IsNull())
 228       return;  // null shape inside
 229     aBuilder.Modify(aShapeOld, aShapeNew);
 230     if(!aBuilder.NamedShape()->IsEmpty()) {
 231       Handle(TDataStd_Name) anAttr;
 232       if(aBuilder.NamedShape()->Label().FindAttribute(TDataStd_Name::GetID(),anAttr)) {
 233         std::string aName (TCollection_AsciiString(anAttr->Get()).ToCString());
 234         if(!aName.empty()) {
 235           std::shared_ptr<Model_Document> aDoc =
 236             std::dynamic_pointer_cast<Model_Document>(document());
 237           aDoc->addNamingName(aBuilder.NamedShape()->Label(), aName);
 238         }
 239       }
 240     }
 241   }
 242 }
 243
 244 void  Model_BodyBuilder::storeWithoutNaming(const std::shared_ptr<GeomAPI_Shape>& theShape)
 245 {
 246   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 247   if (aData) {
 248     clean();
 249     if (!theShape.get())
 250       return; // bad shape
 251     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 252     if (aShape.IsNull())
 253       return;  // null shape inside
 254     TNaming_Builder aBuilder(aData->shapeLab());
 255     aBuilder.Select(aShape, aShape);
 256   }
 257 }
 258
 259 void Model_BodyBuilder::clean()
 260 {
 261   TDF_Label aLab = std::dynamic_pointer_cast<Model_Data>(data())->shapeLab();
 262   if (aLab.IsNull())
 263     return;
 264   std::map<int, TNaming_Builder*>::iterator aBuilder = myBuilders.begin();
 265   for(; aBuilder != myBuilders.end(); aBuilder++) {
 266     delete aBuilder->second;
 267     // clear also shapes on cleaned sub-labels (#2241)
 268     Handle(TNaming_NamedShape) aNS;
 269     if (aLab.FindChild(aBuilder->first).FindAttribute(TNaming_NamedShape::GetID(), aNS)) {
 270       aNS->Clear();
 271     }
 272   }
 273   myBuilders.clear();
 274   // remove the old reference (if any)
 275   aLab.ForgetAttribute(TDF_Reference::GetID());
 276 }
 277
 278 Model_BodyBuilder::~Model_BodyBuilder()
 279 {
 280   clean();
 281 }
 282
 283 TNaming_Builder* Model_BodyBuilder::builder(const int theTag)
 284 {
 285   std::map<int, TNaming_Builder*>::iterator aFind = myBuilders.find(theTag);
 286   if (aFind == myBuilders.end()) {
 287     std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 288     myBuilders[theTag] = new TNaming_Builder(
 289       theTag == 0 ? aData->shapeLab() : aData->shapeLab().FindChild(theTag));
 290     aFind = myBuilders.find(theTag);
 291   }
 292   return aFind->second;
 293 }
 294
 295 void Model_BodyBuilder::buildName(const int theTag, const std::string& theName)
 296 {
 297   std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
 298   //aDoc->addNamingName(builder(theTag)->NamedShape()->Label(), theName);
 299   TDataStd_Name::Set(builder(theTag)->NamedShape()->Label(), theName.c_str());
 300 }
 301 void Model_BodyBuilder::generated(
 302   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 303 {
 304   TopoDS_Shape aShape = theNewShape->impl<TopoDS_Shape>();
 305   builder(theTag)->Generated(aShape);
 306   if(!theName.empty())
 307     buildName(theTag, theName);
 308 }
 309
 310 void Model_BodyBuilder::generated(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 311   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 312 {
 313   TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
 314   TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
 315   builder(theTag)->Generated(anOldShape, aNewShape);
 316   if(!theName.empty())
 317     buildName(theTag, theName);
 318   TopAbs_ShapeEnum aGenShapeType = aNewShape.ShapeType();
 319   if(aGenShapeType == TopAbs_WIRE || aGenShapeType == TopAbs_SHELL) {
 320     TopAbs_ShapeEnum anExplodeShapeType = aGenShapeType == TopAbs_WIRE ? TopAbs_EDGE : TopAbs_FACE;
 321     const TDF_Label aLabel = builder(theTag)->NamedShape()->Label();
 322     int aTag = 1;
 323     std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(document());
 324     for(TopExp_Explorer anExp(aNewShape, anExplodeShapeType); anExp.More(); anExp.Next()) {
 325       TDF_Label aChildLabel = aLabel.FindChild(aTag);
 326       TNaming_Builder aBuilder(aChildLabel);
 327       aBuilder.Generated(anOldShape, anExp.Current());
 328       TCollection_AsciiString aChildName = TCollection_AsciiString((theName + "_").c_str()) + aTag;
 329       //aDoc->addNamingName(aChildLabel, aChildName.ToCString());
 330       TDataStd_Name::Set(aChildLabel, aChildName.ToCString());
 331       aTag++;
 332     }
 333   }
 334 }
 335
 336
 337 void Model_BodyBuilder::modified(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 338   const std::shared_ptr<GeomAPI_Shape>& theNewShape, const std::string& theName, const int theTag)
 339 {
 340   TopoDS_Shape anOldShape = theOldShape->impl<TopoDS_Shape>();
 341   TopoDS_Shape aNewShape = theNewShape->impl<TopoDS_Shape>();
 342   builder(theTag)->Modify(anOldShape, aNewShape);
 343   if(!theName.empty())
 344     buildName(theTag, theName);
 345 }
 346
 347 void Model_BodyBuilder::deleted(const std::shared_ptr<GeomAPI_Shape>& theOldShape,
 348   const int theTag)
 349 {
 350   TopoDS_Shape aShape = theOldShape->impl<TopoDS_Shape>();
 351   builder(theTag)->Delete(aShape);
 352 }
 353
 354 void Model_BodyBuilder::loadDeletedShapes (GeomAlgoAPI_MakeShape* theMS,
 355   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 356   const int  theKindOfShape,
 357   const int  theTag)
 358 {
 359   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 360   TopTools_MapOfShape aView;
 361   TopExp_Explorer ShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 362   for (; ShapeExplorer.More(); ShapeExplorer.Next ()) {
 363     const TopoDS_Shape& aRoot = ShapeExplorer.Current ();
 364     if (!aView.Add(aRoot)) continue;
 365     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 366     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 367     if (theMS->isDeleted (aRShape)) {
 368       builder(theTag)->Delete(aRoot);
 369     }
 370   }
 371 }
 372
 373 void Model_BodyBuilder::loadAndOrientModifiedShapes (
 374   GeomAlgoAPI_MakeShape* theMS,
 375   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 376   const int  theKindOfShape,
 377   const int  theTag,
 378   const std::string& theName,
 379   GeomAPI_DataMapOfShapeShape& theSubShapes,
 380   const bool theIsStoreSeparate,
 381   const bool theIsStoreAsGenerated)
 382 {
 383   int anIndex = 1;
 384   int aTag = theTag;
 385   bool isBuilt = !theName.empty();
 386   std::string aName = theName;
 387   std::ostringstream aStream;
 388   GeomShapePtr aResultShape = shape();
 389   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 390   TopTools_MapOfShape aView;
 391   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 392   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
 393     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
 394     if (!aView.Add(aRoot)) continue;
 395     if (TNaming_Tool::NamedShape(aRoot, builder(theTag)->NamedShape()->Label()).IsNull())
 396       continue; // there is no sense to write history if old shape does not exist in the document
 397     ListOfShape aList;
 398     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 399     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 400     theMS->modified(aRShape, aList);
 401     // sort the list of images before naming
 402     GeomAlgoAPI_SortListOfShapes::sort(aList);
 403
 404     // to trace situation where several objects are produced by one parent (#2317)
 405     int aSameParentShapes = -1;
 406     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator
 407       anIt = aList.begin(), aLast = aList.end();
 408     for (; anIt != aLast; anIt++) {
 409       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 410       if (theSubShapes.isBound(*anIt)) {
 411         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
 412         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
 413       }
 414       GeomShapePtr aGeomNewShape(new GeomAPI_Shape());
 415       aGeomNewShape->setImpl(new TopoDS_Shape(aNewShape));
 416       if(!aRoot.IsSame(aNewShape) && aResultShape->isSubShape(aGeomNewShape, false) &&
 417          !aResultShape->isSame(*anIt)) { // to avoid put of same shape on main label and sub
 418         int aBuilderTag = aTag;
 419         if (!theIsStoreSeparate)
 420           aSameParentShapes++;
 421         if (aSameParentShapes > 0) { // store in other label
 422           aBuilderTag = 100000 - aSameParentShapes * 10 - aTag;
 423         }
 424         if(theIsStoreAsGenerated) {
 425           // Here we store shapes as generated, to avoid problem when one parent shape produce
 426           // several child shapes. In this case naming could not determine which shape to select.
 427           builder(aBuilderTag)->Generated(aRoot, aNewShape);
 428         } else {
 429           builder(aBuilderTag)->Modify(aRoot, aNewShape);
 430         }
 431         if(isBuilt) {
 432           if(theIsStoreSeparate) {
 433             aStream.str(std::string());
 434             aStream.clear();
 435             aStream << theName << "_" << anIndex++;
 436             aName = aStream.str();
 437           }
 438           if (aSameParentShapes > 0) {
 439             aStream.str(std::string());
 440             aStream.clear();
 441             aStream << aName << "_" << aSameParentShapes << "divided";
 442             std::string aNameDiv = aStream.str();
 443             buildName(aBuilderTag, aNameDiv);
 444           } else {
 445             buildName(aBuilderTag, aName);
 446           }
 447         }
 448         if(theIsStoreSeparate) {
 449           aTag++;
 450         }
 451       } else if (aResultShape->isSame(*anIt)) {
 452         // keep the modification evolution on the root level (2241 - history propagation issue)
 453         if(theIsStoreAsGenerated) {
 454           builder(0)->Generated(aRoot, aNewShape);
 455         } else {
 456           builder(0)->Modify(aRoot, aNewShape);
 457         }
 458       }
 459     }
 460   }
 461 }
 462
 463 // Keep only the shapes with minimal shape type
 464 static void keepTopLevelShapes(ListOfShape& theShapes)
 465 {
 466   GeomAPI_Shape::ShapeType aKeepShapeType = GeomAPI_Shape::SHAPE;
 467   ListOfShape::iterator anIt = theShapes.begin();
 468   while (anIt != theShapes.end()) {
 469     GeomAPI_Shape::ShapeType aType = (*anIt)->shapeType();
 470     if (aType < aKeepShapeType) {
 471       // found a shape with lesser shape type => remove all previous shapes
 472       aKeepShapeType = aType;
 473       theShapes.erase(theShapes.begin(), anIt);
 474       ++anIt;
 475     } else if (aType > aKeepShapeType) {
 476       // shapes with greater shape type should be removed from the list
 477       ListOfShape::iterator aRemoveIt = anIt++;
 478       theShapes.erase(aRemoveIt);
 479     } else
 480       ++anIt;
 481   }
 482 }
 483
 484 void Model_BodyBuilder::loadAndOrientGeneratedShapes (
 485   GeomAlgoAPI_MakeShape* theMS,
 486   std::shared_ptr<GeomAPI_Shape>  theShapeIn,
 487   const int  theKindOfShape,
 488   const int  theTag,
 489   const std::string& theName,
 490   GeomAPI_DataMapOfShapeShape& theSubShapes)
 491 {
 492   TopoDS_Shape aShapeIn = theShapeIn->impl<TopoDS_Shape>();
 493   TopTools_MapOfShape aView;
 494   bool isBuilt = !theName.empty();
 495   TopExp_Explorer aShapeExplorer (aShapeIn, (TopAbs_ShapeEnum)theKindOfShape);
 496   for (; aShapeExplorer.More(); aShapeExplorer.Next ()) {
 497     const TopoDS_Shape& aRoot = aShapeExplorer.Current ();
 498     if (!aView.Add(aRoot)) continue;
 499     //if (TNaming_Tool::NamedShape(aRoot, builder(theTag)->NamedShape()->Label()).IsNull())
 500     //  continue; // there is no sense to write history if old shape does not exist in the document
 501     ListOfShape aList;
 502     std::shared_ptr<GeomAPI_Shape> aRShape(new GeomAPI_Shape());
 503     aRShape->setImpl((new TopoDS_Shape(aRoot)));
 504     theMS->generated(aRShape, aList);
 505     keepTopLevelShapes(aList);
 506     std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator
 507       anIt = aList.begin(), aLast = aList.end();
 508     for (; anIt != aLast; anIt++) {
 509       TopoDS_Shape aNewShape = (*anIt)->impl<TopoDS_Shape>();
 510       if (theSubShapes.isBound(*anIt)) {
 511         std::shared_ptr<GeomAPI_Shape> aMapShape(theSubShapes.find(*anIt));
 512         aNewShape.Orientation(aMapShape->impl<TopoDS_Shape>().Orientation());
 513       }
 514       if (!aRoot.IsSame (aNewShape)) {
 515         builder(theTag)->Generated(aRoot,aNewShape);
 516         if(isBuilt)
 517           buildName(theTag, theName);
 518       }
 519       TopAbs_ShapeEnum aGenShapeType = aNewShape.ShapeType();
 520       if(aGenShapeType == TopAbs_WIRE || aGenShapeType == TopAbs_SHELL) {
 521         TopAbs_ShapeEnum anExplodeShapeType =
 522           aGenShapeType == TopAbs_WIRE ? TopAbs_EDGE : TopAbs_FACE;
 523         const TDF_Label aLabel = builder(theTag)->NamedShape()->Label();
 524         int aTag = 1;
 525         std::shared_ptr<Model_Document> aDoc =
 526           std::dynamic_pointer_cast<Model_Document>(document());
 527         for(TopExp_Explorer anExp(aNewShape, anExplodeShapeType); anExp.More(); anExp.Next()) {
 528           TDF_Label aChildLabel = aLabel.FindChild(aTag);
 529           TNaming_Builder aBuilder(aChildLabel);
 530           aBuilder.Generated(aRoot, anExp.Current());
 531           TCollection_AsciiString aChildName =
 532             TCollection_AsciiString((theName + "_").c_str()) + aTag;
 533           TDataStd_Name::Set(aChildLabel, aChildName.ToCString());
 534           aTag++;
 535         }
 536       }
 537     }
 538   }
 539 }
 540
 541 //=======================================================================
 542 int getDangleShapes(const TopoDS_Shape&           theShapeIn,
 543   const TopAbs_ShapeEnum        theGeneratedFrom,
 544   TopTools_DataMapOfShapeShape& theDangles)
 545 {
 546   theDangles.Clear();
 547   TopTools_IndexedDataMapOfShapeListOfShape subShapeAndAncestors;
 548   TopAbs_ShapeEnum GeneratedTo;
 549   if (theGeneratedFrom == TopAbs_FACE) GeneratedTo = TopAbs_EDGE;
 550   else if (theGeneratedFrom == TopAbs_EDGE) GeneratedTo = TopAbs_VERTEX;
 551   else return Standard_False;
 552   TopExp::MapShapesAndAncestors(theShapeIn, GeneratedTo, theGeneratedFrom, subShapeAndAncestors);
 553   for (Standard_Integer i = 1; i <= subShapeAndAncestors.Extent(); i++) {
 554     const TopoDS_Shape& mayBeDangle = subShapeAndAncestors.FindKey(i);
 555     const TopTools_ListOfShape& ancestors = subShapeAndAncestors.FindFromIndex(i);
 556     if (ancestors.Extent() == 1) theDangles.Bind(ancestors.First(), mayBeDangle);
 557   }
 558   return theDangles.Extent();
 559 }
 560
 561 //=======================================================================
 562 void loadGeneratedDangleShapes(
 563   const TopoDS_Shape&      theShapeIn,
 564   const TopAbs_ShapeEnum   theGeneratedFrom,
 565   TNaming_Builder *        theBuilder)
 566 {
 567   TopTools_DataMapOfShapeShape dangles;
 568   if (!getDangleShapes(theShapeIn, theGeneratedFrom, dangles)) return;
 569   TopTools_DataMapIteratorOfDataMapOfShapeShape itr(dangles);
 570   for (; itr.More(); itr.Next())
 571     theBuilder->Generated(itr.Key(), itr.Value());
 572 }
 573
 574 //=======================================================================
 575 void Model_BodyBuilder::loadNextLevels(std::shared_ptr<GeomAPI_Shape> theShape,
 576   const std::string& theName, int&  theTag)
 577 {
 578   if(theShape->isNull()) return;
 579   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 580   std::string aName;
 581   if (aShape.ShapeType() == TopAbs_SOLID) {
 582     TopExp_Explorer expl(aShape, TopAbs_FACE);
 583     for (; expl.More(); expl.Next()) {
 584       builder(theTag)->Generated(expl.Current());
 585       TCollection_AsciiString aStr(theTag);
 586       aName = theName + aStr.ToCString();
 587       buildName(theTag, aName);
 588       theTag++;
 589     }
 590   }
 591   else if (aShape.ShapeType() == TopAbs_SHELL || aShape.ShapeType() == TopAbs_FACE) {
 592     // load faces and all the free edges
 593     TopTools_IndexedMapOfShape Faces;
 594     TopExp::MapShapes(aShape, TopAbs_FACE, Faces);
 595     if (Faces.Extent() > 1 || (aShape.ShapeType() == TopAbs_SHELL && Faces.Extent() == 1)) {
 596       TopExp_Explorer expl(aShape, TopAbs_FACE);
 597       for (; expl.More(); expl.Next()) {
 598         builder(theTag)->Generated(expl.Current());
 599         TCollection_AsciiString aStr(theTag);
 600         aName = theName + aStr.ToCString();
 601         buildName(theTag, aName);
 602         theTag++;
 603       }
 604     }
 605     TopTools_IndexedDataMapOfShapeListOfShape anEdgeAndNeighbourFaces;
 606     TopExp::MapShapesAndAncestors(aShape, TopAbs_EDGE, TopAbs_FACE, anEdgeAndNeighbourFaces);
 607     for (Standard_Integer i = 1; i <= anEdgeAndNeighbourFaces.Extent(); i++)
 608     {
 609       const TopTools_ListOfShape& aLL = anEdgeAndNeighbourFaces.FindFromIndex(i);
 610       if (aLL.Extent() < 2) {
 611         if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeAndNeighbourFaces.FindKey(i))))
 612           continue;
 613         builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
 614         TCollection_AsciiString aStr(theTag);
 615         aName = theName + aStr.ToCString();
 616         buildName(theTag, aName);
 617         theTag++;
 618       } else {
 619         TopTools_ListIteratorOfListOfShape anIter(aLL);
 620         const TopoDS_Face& aFace = TopoDS::Face(anIter.Value());
 621         anIter.Next();
 622         if(aFace.IsEqual(anIter.Value())) {
 623           builder(theTag)->Generated(anEdgeAndNeighbourFaces.FindKey(i));
 624           TCollection_AsciiString aStr(theTag);
 625           aName = theName + aStr.ToCString();
 626           buildName(theTag, aName);
 627           theTag++;
 628         }
 629       }
 630     }
 631   } else if (aShape.ShapeType() == TopAbs_WIRE) {
 632     TopTools_IndexedMapOfShape Edges;
 633     BRepTools::Map3DEdges(aShape, Edges);
 634     if (Edges.Extent() == 1) {
 635       builder(theTag++)->Generated(Edges.FindKey(1));
 636       TopExp_Explorer expl(aShape, TopAbs_VERTEX);
 637       for (; expl.More(); expl.Next()) {
 638         builder(theTag)->Generated(expl.Current());
 639         TCollection_AsciiString aStr(theTag);
 640         aName = theName + aStr.ToCString();
 641         buildName(theTag, aName);
 642         theTag++;
 643       }
 644     } else {
 645       TopExp_Explorer expl(aShape, TopAbs_EDGE);
 646       for (; expl.More(); expl.Next()) {
 647         builder(theTag)->Generated(expl.Current());
 648         TCollection_AsciiString aStr(theTag);
 649         aName = theName + aStr.ToCString();
 650         buildName(theTag, aName);
 651         theTag++;
 652       }
 653       // and load generated vertices.
 654       TopTools_DataMapOfShapeShape generated;
 655       if (getDangleShapes(aShape, TopAbs_EDGE, generated))
 656       {
 657         TNaming_Builder* pBuilder = builder(theTag++);
 658         loadGeneratedDangleShapes(aShape, TopAbs_EDGE, pBuilder);
 659       }
 660     }
 661   } else if (aShape.ShapeType() == TopAbs_EDGE) {
 662     TopExp_Explorer expl(aShape, TopAbs_VERTEX);
 663     for (; expl.More(); expl.Next()) {
 664       builder(theTag)->Generated(expl.Current());
 665       TCollection_AsciiString aStr(theTag);
 666       aName = theName + aStr.ToCString();
 667       buildName(theTag, aName);
 668       theTag++;
 669     }
 670   }
 671 }
 672
 673 //=======================================================================
 674 int findAmbiguities(const TopoDS_Shape&           theShapeIn,
 675   TopTools_ListOfShape&   theList)
 676 {
 677   theList.Clear();
 678   // edges -> ancestor faces list
 679   TopTools_IndexedDataMapOfShapeListOfShape aSubShapeAndAncestors;
 680   TopExp::MapShapesAndAncestors(theShapeIn, TopAbs_EDGE, TopAbs_FACE, aSubShapeAndAncestors);
 681   // keeps the shapes which are already in the resulting list
 682   TopTools_MapOfShape alreadyThere;
 683   // map from faces identifier (combination of hash-codes) to list of edges produced such ID
 684   NCollection_DataMap<int, NCollection_List<TopoDS_Shape> > aFacesIDs;
 685
 686   TopTools_IndexedDataMapOfShapeListOfShape::Iterator anAncestorsIter(aSubShapeAndAncestors);
 687   for (; anAncestorsIter.More(); anAncestorsIter.Next()) {
 688     const TopTools_ListOfShape& ancestors = anAncestorsIter.Value();
 689     if (ancestors.Extent() < 2)
 690       continue;
 691     Standard_Integer anID = 0;
 692     for(TopTools_ListIteratorOfListOfShape aFaceIt(ancestors); aFaceIt.More(); aFaceIt.Next()) {
 693       anID ^= HashCode(aFaceIt.ChangeValue(), 1990657); // Pierpont prime
 694     }
 695     if (aFacesIDs.IsBound(anID)) { // there found same edge, check they really have same faces
 696       const NCollection_List<TopoDS_Shape>& aSameFaces1 =
 697         aSubShapeAndAncestors.FindFromKey(anAncestorsIter.Key());
 698       NCollection_List<TopoDS_Shape>::Iterator aSameEdge(aFacesIDs.ChangeFind(anID));
 699       for(; aSameEdge.More(); aSameEdge.Next()) {
 700         const NCollection_List<TopoDS_Shape>& aSameFaces2 =
 701           aSubShapeAndAncestors.FindFromKey(aSameEdge.Value());
 702         if (aSameFaces2.Extent() != aSameFaces1.Extent()) // the number of faces is different
 703           break;
 704
 705         NCollection_List<TopoDS_Shape>::Iterator aFaceIter1(aSameFaces1);
 706         for(; aFaceIter1.More(); aFaceIter1.Next()) {
 707           NCollection_List<TopoDS_Shape>::Iterator aFaceIter2(aSameFaces2);
 708           for(; aFaceIter2.More(); aFaceIter2.Next()) {
 709             if (aFaceIter1.Value().IsSame(aFaceIter2.Value()))
 710               break;
 711           }
 712           if (!aFaceIter2.More()) // aFaceIter1 contains a face, which is not in aFaceIter2
 713             break;
 714         }
 715         if (!aFaceIter1.More()) { // all the faces are same => put to the result
 716           if (alreadyThere.Add(aSameEdge.Value()))
 717             theList.Append(aSameEdge.Value());
 718           if (alreadyThere.Add(anAncestorsIter.Key()))
 719             theList.Append(anAncestorsIter.Key());
 720         }
 721       }
 722     } else { // ID is unique, just add this edge
 723       aFacesIDs.Bind(anID, NCollection_List<TopoDS_Shape>());
 724     }
 725     aFacesIDs.ChangeFind(anID).Append(anAncestorsIter.Key()); // add to the list anyway
 726   }
 727   return theList.Extent();
 728 }
 729
 730 //=======================================================================
 731 void Model_BodyBuilder::loadFirstLevel(
 732   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
 733 {
 734   if(theShape->isNull()) return;
 735   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 736   std::string aName;
 737   if (aShape.ShapeType() == TopAbs_COMPOUND || aShape.ShapeType() == TopAbs_COMPSOLID) {
 738     TopoDS_Iterator itr(aShape);
 739     for (; itr.More(); itr.Next()) {
 740       builder(theTag)->Generated(itr.Value());
 741       TCollection_AsciiString aStr(theTag);
 742       aName = theName + aStr.ToCString();
 743       buildName(theTag, aName);
 744       if(!theName.empty()) buildName(theTag, aName);
 745       theTag++;
 746       if (itr.Value().ShapeType() == TopAbs_COMPOUND ||
 747         itr.Value().ShapeType() == TopAbs_COMPSOLID)
 748       {
 749         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 750         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
 751         loadFirstLevel(itrShape, theName, theTag);
 752       } else {
 753         std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 754         itrShape->setImpl(new TopoDS_Shape(itr.Value()));
 755         loadNextLevels(itrShape, theName, theTag);
 756       }
 757     }
 758   } else {
 759     std::shared_ptr<GeomAPI_Shape> itrShape(new GeomAPI_Shape());
 760     itrShape->setImpl(new TopoDS_Shape(aShape));
 761     loadNextLevels(itrShape, theName, theTag);
 762   }
 763   TopTools_ListOfShape   aList;
 764   if(findAmbiguities(aShape, aList)) {
 765     TopTools_ListIteratorOfListOfShape it(aList);
 766     for (; it.More(); it.Next(),theTag++) {
 767       builder(theTag)->Generated(it.Value());
 768       TCollection_AsciiString aStr(theTag);
 769       aName = theName + aStr.ToCString();
 770       buildName(theTag, aName);
 771     }
 772   }
 773 }
 774
 775 //=======================================================================
 776 void Model_BodyBuilder::loadDisconnectedEdges(
 777   std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
 778 {
 779   if(theShape->isNull()) return;
 780   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 781   TopTools_DataMapOfShapeListOfShape edgeNaborFaces;
 782   TopTools_ListOfShape empty;
 783   TopExp_Explorer explF(aShape, TopAbs_FACE);
 784   for (; explF.More(); explF.Next()) {
 785     const TopoDS_Shape& aFace = explF.Current();
 786     TopExp_Explorer explV(aFace, TopAbs_EDGE);
 787     for (; explV.More(); explV.Next()) {
 788       const TopoDS_Shape& anEdge = explV.Current();
 789       if (!edgeNaborFaces.IsBound(anEdge)) edgeNaborFaces.Bind(anEdge, empty);
 790       Standard_Boolean faceIsNew = Standard_True;
 791       TopTools_ListIteratorOfListOfShape itrF(edgeNaborFaces.Find(anEdge));
 792       for (; itrF.More(); itrF.Next()) {
 793         if (itrF.Value().IsSame(aFace)) {
 794           faceIsNew = Standard_False;
 795           break;
 796         }
 797       }
 798       if (faceIsNew)
 799         edgeNaborFaces.ChangeFind(anEdge).Append(aFace);
 800     }
 801   }
 802
 803   TopTools_MapOfShape anEdgesToDelete;
 804   TopExp_Explorer anEx(aShape,TopAbs_EDGE);
 805   std::string aName;
 806   for(;anEx.More();anEx.Next()) {
 807     Standard_Boolean aC0 = Standard_False;
 808     TopoDS_Shape anEdge1 = anEx.Current();
 809     if (edgeNaborFaces.IsBound(anEdge1)) {
 810       const TopTools_ListOfShape& aList1 = edgeNaborFaces.Find(anEdge1);
 811       if (aList1.Extent()<2) continue;
 812       TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(edgeNaborFaces);
 813       for (; itr.More(); itr.Next()) {
 814         TopoDS_Shape anEdge2 = itr.Key();
 815         if(anEdgesToDelete.Contains(anEdge2)) continue;
 816         if (anEdge1.IsSame(anEdge2)) continue;
 817         const TopTools_ListOfShape& aList2 = itr.Value();
 818         // compare lists of the neighbour faces of edge1 and edge2
 819         if (aList1.Extent() == aList2.Extent()) {
 820           Standard_Integer aMatches = 0;
 821           for(TopTools_ListIteratorOfListOfShape aLIter1(aList1);aLIter1.More();aLIter1.Next())
 822             for(TopTools_ListIteratorOfListOfShape aLIter2(aList2);aLIter2.More();aLIter2.Next())
 823               if (aLIter1.Value().IsSame(aLIter2.Value())) aMatches++;
 824           if (aMatches == aList1.Extent()) {
 825             aC0=Standard_True;
 826             builder(theTag)->Generated(anEdge2);
 827             anEdgesToDelete.Add(anEdge2);
 828             TCollection_AsciiString aStr(theTag);
 829             aName = theName + aStr.ToCString();
 830             buildName(theTag, aName);
 831             theTag++;
 832           }
 833         }
 834       }
 835       TopTools_MapIteratorOfMapOfShape itDelete(anEdgesToDelete);
 836       for(;itDelete.More();itDelete.Next())
 837         edgeNaborFaces.UnBind(itDelete.Key());
 838       edgeNaborFaces.UnBind(anEdge1);
 839     }
 840     if (aC0) {
 841       builder(theTag)->Generated(anEdge1);
 842       TCollection_AsciiString aStr(theTag);
 843       aName = theName + aStr.ToCString();
 844       buildName(theTag, aName);
 845       theTag++;
 846     }
 847   }
 848 }
 849
 850 void Model_BodyBuilder::loadDisconnectedVertexes(std::shared_ptr<GeomAPI_Shape> theShape,
 851                                                  const std::string& theName, int&  theTag)
 852 {
 853   if(theShape->isNull()) return;
 854   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 855   TopTools_DataMapOfShapeListOfShape vertexNaborEdges;
 856   TopTools_ListOfShape empty;
 857   TopExp_Explorer explF(aShape, TopAbs_EDGE);
 858   for (; explF.More(); explF.Next()) {
 859     const TopoDS_Shape& anEdge = explF.Current();
 860     TopExp_Explorer explV(anEdge, TopAbs_VERTEX);
 861     for (; explV.More(); explV.Next()) {
 862       const TopoDS_Shape& aVertex = explV.Current();
 863       if (!vertexNaborEdges.IsBound(aVertex)) vertexNaborEdges.Bind(aVertex, empty);
 864       Standard_Boolean faceIsNew = Standard_True;
 865       TopTools_ListIteratorOfListOfShape itrF(vertexNaborEdges.Find(aVertex));
 866       for (; itrF.More(); itrF.Next()) {
 867         if (itrF.Value().IsSame(anEdge)) {
 868           faceIsNew = Standard_False;
 869           break;
 870         }
 871       }
 872       if (faceIsNew) {
 873         vertexNaborEdges.ChangeFind(aVertex).Append(anEdge);
 874       }
 875     }
 876   }
 877   std::string aName;
 878   TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itr(vertexNaborEdges);
 879   for (; itr.More(); itr.Next()) {
 880     const TopTools_ListOfShape& naborEdges = itr.Value();
 881     if (naborEdges.Extent() < 2) {
 882       builder(theTag)->Generated(itr.Key());
 883       TCollection_AsciiString aStr(theTag);
 884       aName = theName + aStr.ToCString();
 885       buildName(theTag, aName);
 886       theTag++;
 887     }
 888   }
 889 }
 890
 891 std::shared_ptr<GeomAPI_Shape> Model_BodyBuilder::shape()
 892 {
 893   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 894   if (aData) {
 895     TDF_Label aShapeLab = aData->shapeLab();
 896     Handle(TDF_Reference) aRef;
 897     if (aShapeLab.FindAttribute(TDF_Reference::GetID(), aRef)) {
 898       aShapeLab = aRef->Get();
 899     }
 900     Handle(TNaming_NamedShape) aName;
 901     if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
 902       TopoDS_Shape aShape = aName->Get();
 903       if (!aShape.IsNull()) {
 904         std::shared_ptr<GeomAPI_Shape> aRes(new GeomAPI_Shape);
 905         aRes->setImpl(new TopoDS_Shape(aShape));
 906         return aRes;
 907       }
 908     }
 909   }
 910   return std::shared_ptr<GeomAPI_Shape>();
 911 }
 912
 913 bool Model_BodyBuilder::isLatestEqual(const std::shared_ptr<GeomAPI_Shape>& theShape)
 914 {
 915   if (theShape.get()) {
 916     TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 917     std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(data());
 918     if (aData) {
 919       TDF_Label& aShapeLab = aData->shapeLab();
 920       Handle(TNaming_NamedShape) aName;
 921       if (aShapeLab.FindAttribute(TNaming_NamedShape::GetID(), aName)) {
 922         TopoDS_Shape aLatest = TNaming_Tool::CurrentShape(aName);
 923         if (aLatest.IsNull())
 924           return false;
 925         if (aLatest.IsEqual(aShape))
 926           return true;
 927         // check sub-shapes for comp-solids:
 928         for (TopExp_Explorer anExp(aShape, aLatest.ShapeType()); anExp.More(); anExp.Next()) {
 929           if (aLatest.IsEqual(anExp.Current()))
 930             return true;
 931         }
 932       }
 933     }
 934   }
 935   return false;
 936 }