src/FeaturesPlugin/FeaturesPlugin_CompositeSketch.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 <FeaturesPlugin_CompositeSketch.h>
  22
  23 #include <ModelAPI_AttributeSelectionList.h>
  24 #include <ModelAPI_AttributeReference.h>
  25 #include <ModelAPI_BodyBuilder.h>
  26 #include <ModelAPI_ResultConstruction.h>
  27 #include <ModelAPI_Session.h>
  28 #include <ModelAPI_Validator.h>
  29
  30 #include <GeomAlgoAPI_CompoundBuilder.h>
  31 #include <GeomAlgoAPI_Prism.h>
  32 #include <GeomAlgoAPI_Revolution.h>
  33 #include <GeomAlgoAPI_ShapeTools.h>
  34 #include <GeomAlgoAPI_SketchBuilder.h>
  35
  36 #include <GeomAPI_PlanarEdges.h>
  37 #include <GeomAPI_ShapeExplorer.h>
  38
  39 #include <map>
  40 #include <sstream>
  41
  42 static void storeSubShape(ResultBodyPtr theResultBody,
  43                           const GeomShapePtr theShape,
  44                           const GeomAPI_Shape::ShapeType theType,
  45                           const std::shared_ptr<GeomAPI_DataMapOfShapeShape> theMapOfSubShapes,
  46                           const std::string theName,
  47                           int& theShapeIndex,
  48                           int& theTag);
  49
  50 //=================================================================================================
  51 void FeaturesPlugin_CompositeSketch::initCompositeSketchAttribtues(const int theInitFlags)
  52 {
  53   // Initialize sketch launcher.
  54   if(theInitFlags & InitSketchLauncher) {
  55     data()->addAttribute(SKETCH_ID(), ModelAPI_AttributeReference::typeId());
  56     ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), SKETCH_ID());
  57   }
  58
  59   // Initialize selection list.
  60   if(theInitFlags & InitBaseObjectsList) {
  61     data()->addAttribute(BASE_OBJECTS_ID(), ModelAPI_AttributeSelectionList::typeId());
  62   }
  63 }
  64
  65 //=================================================================================================
  66 std::shared_ptr<ModelAPI_Feature> FeaturesPlugin_CompositeSketch::addFeature(std::string theID)
  67 {
  68   FeaturePtr aNew = document()->addFeature(theID, false);
  69   if(aNew) {
  70     data()->reference(SKETCH_ID())->setValue(aNew);
  71   }
  72
  73   // Set as current also after it becomes sub to set correctly enabled for other sketch subs.
  74   document()->setCurrentFeature(aNew, false);
  75   return aNew;
  76 }
  77
  78 //=================================================================================================
  79 int FeaturesPlugin_CompositeSketch::numberOfSubs(bool forTree) const
  80 {
  81   ObjectPtr aObj = data()->reference(SKETCH_ID())->value();
  82   return aObj.get() ? 1 : 0;
  83 }
  84
  85 //=================================================================================================
  86 std::shared_ptr<ModelAPI_Feature> FeaturesPlugin_CompositeSketch::subFeature(const int theIndex,
  87                                                                              bool forTree)
  88 {
  89   if(theIndex == 0) {
  90     return std::dynamic_pointer_cast<ModelAPI_Feature>(data()->reference(SKETCH_ID())->value());
  91   }
  92
  93   return std::shared_ptr<ModelAPI_Feature>();
  94 }
  95
  96 //=================================================================================================
  97 int FeaturesPlugin_CompositeSketch::subFeatureId(const int theIndex) const
  98 {
  99   if(theIndex == 0) {
 100     FeaturePtr aFeature =
 101       std::dynamic_pointer_cast<ModelAPI_Feature>(data()->reference(SKETCH_ID())->value());
 102     if(aFeature.get()) {
 103       return aFeature->data()->featureId();
 104     }
 105   }
 106
 107   return -1;
 108 }
 109
 110 //=================================================================================================
 111 bool FeaturesPlugin_CompositeSketch::isSub(ObjectPtr theObject) const
 112 {
 113   // Check is this feature of result
 114   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theObject);
 115   if(!aFeature.get()) {
 116     return false;
 117   }
 118
 119   ObjectPtr aSub = data()->reference(SKETCH_ID())->value();
 120   return aSub == theObject;
 121 }
 122
 123 //=================================================================================================
 124 void FeaturesPlugin_CompositeSketch::removeFeature(std::shared_ptr<ModelAPI_Feature> theFeature)
 125 {
 126   AttributeSelectionListPtr aBaseObjectsSelectionList = selectionList(BASE_OBJECTS_ID());
 127   if(aBaseObjectsSelectionList.get() && aBaseObjectsSelectionList->size() > 0) {
 128     aBaseObjectsSelectionList->clear();
 129   }
 130
 131   reference(SKETCH_ID())->setValue(ObjectPtr());
 132 }
 133
 134 //=================================================================================================
 135 void FeaturesPlugin_CompositeSketch::getBaseShapes(ListOfShape& theBaseShapesList,
 136                                                    const bool theIsMakeShells)
 137 {
 138   theBaseShapesList.clear();
 139
 140   ListOfShape aBaseFacesList;
 141   std::map<ResultConstructionPtr, ListOfShape> aSketchWiresMap;
 142   AttributeSelectionListPtr aBaseObjectsSelectionList = selectionList(BASE_OBJECTS_ID());
 143   if(!aBaseObjectsSelectionList.get()) {
 144     setError("Error: Could not get base objects selection list.");
 145     return;
 146   }
 147   if(aBaseObjectsSelectionList->size() == 0) {
 148     setError("Error: Base objects list is empty.");
 149     return;
 150   }
 151   for(int anIndex = 0; anIndex < aBaseObjectsSelectionList->size(); anIndex++) {
 152     AttributeSelectionPtr aBaseObjectSelection = aBaseObjectsSelectionList->value(anIndex);
 153     if(!aBaseObjectSelection.get()) {
 154       setError("Error: Selected base object is empty.");
 155       return;
 156     }
 157     GeomShapePtr aBaseShape = aBaseObjectSelection->value();
 158     if(aBaseShape.get() && !aBaseShape->isNull()) {
 159       GeomAPI_Shape::ShapeType aST = aBaseShape->shapeType();
 160       if(aST == GeomAPI_Shape::SOLID || aST == GeomAPI_Shape::COMPSOLID) {
 161         setError("Error: Selected shapes has unsupported type.");
 162         return;
 163       }
 164       ResultConstructionPtr aConstruction =
 165         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aBaseObjectSelection->context());
 166       if(aConstruction.get() && !aBaseShape->isEqual(aConstruction->shape()) &&
 167           aST == GeomAPI_Shape::WIRE) {
 168         // It is a wire on the sketch, store it to make face later.
 169         aSketchWiresMap[aConstruction].push_back(aBaseShape);
 170         continue;
 171       } else {
 172       aST == GeomAPI_Shape::FACE ? aBaseFacesList.push_back(aBaseShape) :
 173                                    theBaseShapesList.push_back(aBaseShape);
 174       }
 175     } else {
 176       // This may be the whole sketch result selected, check and get faces.
 177       ResultConstructionPtr aConstruction =
 178         std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aBaseObjectSelection->context());
 179       if(!aConstruction.get()) {
 180         setError("Error: Selected sketches does not have results.");
 181         return;
 182       }
 183       int aFacesNum = aConstruction->facesNum();
 184       if(aFacesNum == 0) {
 185         // Probably it can be construction.
 186         aBaseShape = aConstruction->shape();
 187         if(aBaseShape.get() && !aBaseShape->isNull()) {
 188           GeomAPI_Shape::ShapeType aST = aBaseShape->shapeType();
 189           if(aST != GeomAPI_Shape::VERTEX && aST != GeomAPI_Shape::EDGE &&
 190              aST != GeomAPI_Shape::WIRE &&
 191              aST != GeomAPI_Shape::FACE && aST != GeomAPI_Shape::SHELL) {
 192             setError("Error: Selected shapes has unsupported type.");
 193             return;
 194           }
 195           aST == GeomAPI_Shape::FACE ? aBaseFacesList.push_back(aBaseShape) :
 196                                        theBaseShapesList.push_back(aBaseShape);
 197         }
 198       } else {
 199         for(int aFaceIndex = 0; aFaceIndex < aFacesNum; aFaceIndex++) {
 200           GeomShapePtr aBaseFace = aConstruction->face(aFaceIndex);
 201           if(!aBaseFace.get() || aBaseFace->isNull()) {
 202             setError("Error: One of the faces on selected sketch is null.");
 203             return;
 204           }
 205           aBaseFacesList.push_back(aBaseFace);
 206         }
 207       }
 208     }
 209   }
 210
 211   // Make faces from sketch wires.
 212   for(std::map<ResultConstructionPtr, ListOfShape>::const_iterator anIt = aSketchWiresMap.cbegin();
 213       anIt != aSketchWiresMap.cend(); ++anIt) {
 214     const std::shared_ptr<GeomAPI_PlanarEdges> aSketchPlanarEdges =
 215       std::dynamic_pointer_cast<GeomAPI_PlanarEdges>((*anIt).first->shape());
 216     const ListOfShape& aWiresList = (*anIt).second;
 217     ListOfShape aFaces;
 218     GeomAlgoAPI_ShapeTools::makeFacesWithHoles(aSketchPlanarEdges->origin(),
 219                                                aSketchPlanarEdges->norm(),
 220                                                aWiresList,
 221                                                aFaces);
 222     aBaseFacesList.insert(aBaseFacesList.end(), aFaces.begin(), aFaces.end());
 223   }
 224
 225   // Searching faces with common edges.
 226   if(theIsMakeShells && aBaseFacesList.size() > 1) {
 227     ListOfShape aShells;
 228     ListOfShape aFreeFaces;
 229     GeomShapePtr aFacesCompound = GeomAlgoAPI_CompoundBuilder::compound(aBaseFacesList);
 230     GeomAlgoAPI_ShapeTools::combineShapes(aFacesCompound, GeomAPI_Shape::SHELL,
 231                                           aShells, aFreeFaces);
 232     theBaseShapesList.insert(theBaseShapesList.end(), aFreeFaces.begin(), aFreeFaces.end());
 233     theBaseShapesList.insert(theBaseShapesList.end(), aShells.begin(), aShells.end());
 234   } else {
 235     theBaseShapesList.insert(theBaseShapesList.end(), aBaseFacesList.begin(),
 236                              aBaseFacesList.end());
 237   }
 238 }
 239
 240 //=================================================================================================
 241 bool FeaturesPlugin_CompositeSketch::isMakeShapeValid(
 242   const std::shared_ptr<GeomAlgoAPI_MakeShape> theMakeShape)
 243 {
 244   // Check that algo is done.
 245   if(!theMakeShape->isDone()) {
 246     setError("Error: " + getKind() + " algorithm failed.");
 247     return false;
 248   }
 249
 250   // Check if shape is not null.
 251   if(!theMakeShape->shape().get() || theMakeShape->shape()->isNull()) {
 252     setError("Error: Resulting shape is null.");
 253     return false;
 254   }
 255
 256   // Check that resulting shape is valid.
 257   if(!theMakeShape->isValid()) {
 258     setError("Error: Resulting shape is not valid.");
 259     return false;
 260   }
 261
 262   return true;
 263 }
 264
 265 //=================================================================================================
 266 void FeaturesPlugin_CompositeSketch::storeResult(const GeomShapePtr theBaseShape,
 267                                         const std::shared_ptr<GeomAlgoAPI_MakeShape> theMakeShape,
 268                                         const int theIndex)
 269 {
 270   // Create result body.
 271   ResultBodyPtr aResultBody = document()->createBody(data(), theIndex);
 272
 273   // Store generated shape.
 274   aResultBody->storeGenerated(theBaseShape, theMakeShape->shape());
 275
 276   // Store generated edges/faces.
 277   int aGenTag = 1;
 278   storeGenerationHistory(aResultBody, theBaseShape, theMakeShape, aGenTag);
 279
 280   setResult(aResultBody, theIndex);
 281 }
 282
 283 //=================================================================================================
 284 void FeaturesPlugin_CompositeSketch::storeGenerationHistory(ResultBodyPtr theResultBody,
 285                                         const GeomShapePtr theBaseShape,
 286                                         const std::shared_ptr<GeomAlgoAPI_MakeShape> theMakeShape,
 287                                         int& theTag)
 288 {
 289   GeomAPI_Shape::ShapeType aBaseShapeType = theBaseShape->shapeType();
 290   GeomAPI_Shape::ShapeType aShapeTypeToExplode = GeomAPI_Shape::SHAPE;
 291   std::string aGenName = "Generated_";
 292
 293   std::shared_ptr<GeomAPI_DataMapOfShapeShape> aMapOfSubShapes = theMakeShape->mapOfSubShapes();
 294   switch(aBaseShapeType) {
 295     case GeomAPI_Shape::EDGE: {
 296             aShapeTypeToExplode = GeomAPI_Shape::VERTEX;
 297       break;
 298     }
 299     case GeomAPI_Shape::WIRE: {
 300       //std::shared_ptr<GeomAPI_Vertex> aV1, aV2;
 301       //GeomAlgoAPI_ShapeTools::findBounds(theBaseShape, aV1, aV2);
 302       //ListOfShape aV1History, aV2History;
 303       //theMakeShape->generated(aV1, aV1History);
 304       //theMakeShape->generated(aV2, aV2History);
 305       //if(!aV1History.empty()) {
 306       //  theResultBody->generated(aV1, aV1History.front(), aGenName + "Edge_1", theTag++);
 307       //}
 308       //if(!aV2History.empty()) {
 309       //  theResultBody->generated(aV2, aV2History.front(), aGenName + "Edge_2", theTag++);
 310       //}
 311       aShapeTypeToExplode = GeomAPI_Shape::COMPOUND;
 312       break;
 313     }
 314     case GeomAPI_Shape::FACE:
 315     case GeomAPI_Shape::SHELL: {
 316       aShapeTypeToExplode = GeomAPI_Shape::EDGE;
 317       break;
 318     }
 319     case GeomAPI_Shape::COMPOUND: {
 320       aShapeTypeToExplode = GeomAPI_Shape::COMPOUND;
 321     }
 322   }
 323
 324   if(aShapeTypeToExplode == GeomAPI_Shape::VERTEX ||
 325       aShapeTypeToExplode == GeomAPI_Shape::COMPOUND) {
 326     theResultBody->loadAndOrientGeneratedShapes(theMakeShape.get(), theBaseShape,
 327                                                 GeomAPI_Shape::VERTEX,
 328                                                 theTag++, aGenName + "Edge",
 329                                                 *aMapOfSubShapes.get());
 330   }
 331   if(aShapeTypeToExplode == GeomAPI_Shape::EDGE ||
 332       aShapeTypeToExplode == GeomAPI_Shape::COMPOUND) {
 333     theResultBody->loadAndOrientGeneratedShapes(theMakeShape.get(),
 334                                                 theBaseShape, GeomAPI_Shape::EDGE,
 335                                                 theTag++, aGenName + "Face",
 336                                                 *aMapOfSubShapes.get());
 337   }
 338   // issue #2197: make naming of edges generated from vertices
 339   if (aShapeTypeToExplode == GeomAPI_Shape::EDGE) {
 340     GeomAPI_DataMapOfShapeShape aFacesFromFromEdges;
 341     GeomAPI_ShapeExplorer anEdgeExp(theBaseShape, GeomAPI_Shape::EDGE);
 342     for(; anEdgeExp.more(); anEdgeExp.next()) {
 343       ListOfShape aGenerated;
 344       theMakeShape->generated(anEdgeExp.current(), aGenerated);
 345       ListOfShape::iterator aGenIter = aGenerated.begin();
 346       for(; aGenIter != aGenerated.end(); aGenIter++) {
 347         GeomShapePtr aGen = *aGenIter;
 348         if (aGen.get() && !aGen->isNull()) {
 349           if ((*aGenIter)->shapeType() == GeomAPI_Shape::FACE) { // normal case
 350             aFacesFromFromEdges.bind(aGen, anEdgeExp.current());
 351           }
 352         }
 353       }
 354     }
 355
 356     // closed revolution of 1-3 faces can not distinguish lateral and base edges
 357     if (aFacesFromFromEdges.size() <= 3) {
 358       bool isClosed = false; // lateral edges are closed (in full revolution)
 359       GeomAPI_DataMapOfShapeShape anEdgesFromVertices;
 360       GeomAPI_ShapeExplorer aVertExp(theBaseShape, GeomAPI_Shape::VERTEX);
 361       for(int anIndex = 1; aVertExp.more(); aVertExp.next()) {
 362         ListOfShape aGenerated;
 363         theMakeShape->generated(aVertExp.current(), aGenerated);
 364         ListOfShape::iterator aGenIter = aGenerated.begin();
 365         for(; aGenIter != aGenerated.end(); aGenIter++) {
 366           std::shared_ptr<GeomAPI_Shape> aGenerated = *aGenIter;
 367           if (anEdgesFromVertices.isBound(aGenerated)) // already here
 368             continue;
 369           std::ostringstream aStream;
 370           aStream<<"Lateral_Edge_"<<anIndex++;
 371           theResultBody->generated(aGenerated, aStream.str(), theTag++);
 372
 373           anEdgesFromVertices.bind(aGenerated, aVertExp.current());
 374           std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(aGenerated));
 375           isClosed = isClosed || anEdge->isClosed();
 376         }
 377       }
 378       if (isClosed) {
 379         GeomAPI_ShapeExplorer anEdgesExp(theMakeShape->shape(), GeomAPI_Shape::EDGE);
 380         for(int anIndex = 1; anEdgesExp.more(); anEdgesExp.next()) {
 381           if (!anEdgesFromVertices.isBound(anEdgesExp.current())) {
 382             // found a base edge
 383             std::ostringstream aStream;
 384             aStream<<"Base_Edge_"<<anIndex++;
 385             theResultBody->generated(anEdgesExp.current(), aStream.str(), theTag++);
 386             // only one orientation is needed
 387             anEdgesFromVertices.bind(anEdgesExp.current(), anEdgesExp.current());
 388           }
 389         }
 390       }
 391     } else { // issue #2197, test case 4 : edges that produce fully-revolved face,
 392       // but contain only 2 edges (on apex of revolution)
 393       GeomAPI_ShapeExplorer anEdgeExp(theBaseShape, GeomAPI_Shape::EDGE);
 394       for(int anIndex = 1; anEdgeExp.more(); anEdgeExp.next()) {
 395         ListOfShape aGenerated;
 396         theMakeShape->generated(anEdgeExp.current(), aGenerated);
 397         ListOfShape::iterator aGenIter = aGenerated.begin();
 398         for(; aGenIter != aGenerated.end(); aGenIter++) {
 399           GeomShapePtr aGen = (*aGenIter);
 400           if (aGen.get() && !aGen->isNull()) {
 401             GeomAPI_ShapeExplorer aFaceEdgeExp(aGen, GeomAPI_Shape::EDGE);
 402             int aNumEdges = 0;
 403             int aNumClosed = 0;
 404             GeomShapePtr aNotClosedEdge;
 405             GeomAPI_DataMapOfShapeShape alreadyIterated;
 406             for(; aFaceEdgeExp.more(); aFaceEdgeExp.next()) {
 407               std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(aFaceEdgeExp.current()));
 408               if (anEdge->isDegenerated() || alreadyIterated.isBound(anEdge))
 409                 continue;
 410               alreadyIterated.bind(anEdge, anEdge);
 411               aNumEdges++;
 412               if (anEdge->isClosed()) {
 413                 aNumClosed++;
 414               } else {
 415                 aNotClosedEdge = anEdge;
 416               }
 417             }
 418             if (aNumEdges == 2 && aNumClosed == 1) {
 419               std::ostringstream aStream;
 420               aStream<<"Base_Edge_"<<anIndex++;
 421               theResultBody->generated(aNotClosedEdge, aStream.str(), theTag++);
 422             }
 423           }
 424         }
 425       }
 426     }
 427   }
 428
 429   std::shared_ptr<GeomAlgoAPI_MakeSweep> aMakeSweep =
 430     std::dynamic_pointer_cast<GeomAlgoAPI_MakeSweep>(theMakeShape);
 431   if(aMakeSweep.get()) {
 432     // Store from shapes.
 433     storeShapes(theResultBody, aBaseShapeType, aMapOfSubShapes,
 434                 aMakeSweep->fromShapes(), "From_", theTag);
 435
 436     // Store to shapes.
 437     storeShapes(theResultBody, aBaseShapeType, aMapOfSubShapes,
 438                 aMakeSweep->toShapes(), "To_", theTag);
 439   }
 440 }
 441
 442 //=================================================================================================
 443 void FeaturesPlugin_CompositeSketch::storeShapes(ResultBodyPtr theResultBody,
 444                               const GeomAPI_Shape::ShapeType theBaseShapeType,
 445                               const std::shared_ptr<GeomAPI_DataMapOfShapeShape> theMapOfSubShapes,
 446                               const ListOfShape& theShapes,
 447                               const std::string theName,
 448                               int& theTag)
 449 {
 450   GeomAPI_Shape::ShapeType aShapeTypeToExplore = GeomAPI_Shape::FACE;
 451   std::string aShapeTypeStr = "Face";
 452   switch(theBaseShapeType) {
 453     case GeomAPI_Shape::VERTEX: {
 454       aShapeTypeToExplore = GeomAPI_Shape::VERTEX;
 455       aShapeTypeStr = "Vertex";
 456       break;
 457     }
 458     case GeomAPI_Shape::EDGE:
 459     case GeomAPI_Shape::WIRE: {
 460       aShapeTypeToExplore = GeomAPI_Shape::EDGE;
 461       aShapeTypeStr = "Edge";
 462       break;
 463     }
 464     case GeomAPI_Shape::FACE:
 465     case GeomAPI_Shape::SHELL: {
 466       aShapeTypeToExplore = GeomAPI_Shape::FACE;
 467       aShapeTypeStr = "Face";
 468       break;
 469     }
 470     case GeomAPI_Shape::COMPOUND: {
 471       aShapeTypeToExplore = GeomAPI_Shape::COMPOUND;
 472       break;
 473     }
 474   }
 475
 476   // Store shapes.
 477   int aShapeIndex = 1;
 478   int aFaceIndex = 1;
 479   for(ListOfShape::const_iterator anIt = theShapes.cbegin(); anIt != theShapes.cend(); ++anIt) {
 480     GeomShapePtr aShape = *anIt;
 481
 482     if(aShapeTypeToExplore == GeomAPI_Shape::COMPOUND) {
 483       std::string aName = theName + (aShape->shapeType() == GeomAPI_Shape::EDGE ? "Edge" : "Face");
 484       storeSubShape(theResultBody,
 485                     aShape,
 486                     aShape->shapeType(),
 487                     theMapOfSubShapes,
 488                     aName,
 489                     aShape->shapeType() == GeomAPI_Shape::EDGE ? aShapeIndex : aFaceIndex,
 490                     theTag);
 491     } else {
 492       std::string aName = theName + aShapeTypeStr;
 493       storeSubShape(theResultBody, aShape, aShapeTypeToExplore,
 494                     theMapOfSubShapes, aName, aShapeIndex, theTag);
 495     }
 496   }
 497 }
 498
 499 void storeSubShape(ResultBodyPtr theResultBody,
 500                    const GeomShapePtr theShape,
 501                    const GeomAPI_Shape::ShapeType theType,
 502                    const std::shared_ptr<GeomAPI_DataMapOfShapeShape> theMapOfSubShapes,
 503                    const std::string theName,
 504                    int& theShapeIndex,
 505                    int& theTag)
 506 {
 507   for(GeomAPI_ShapeExplorer anExp(theShape, theType); anExp.more(); anExp.next()) {
 508     GeomShapePtr aSubShape = anExp.current();
 509     if(theMapOfSubShapes->isBound(aSubShape)) {
 510       aSubShape = theMapOfSubShapes->find(aSubShape);
 511     }
 512     std::ostringstream aStr;
 513     aStr << theName << "_" << theShapeIndex++;
 514     theResultBody->generated(aSubShape, aStr.str(), theTag++);
 515   }
 516 }