Fix for the issue #346.

diff --git a/src/Model/Model_ResultBody.cpp b/src/Model/Model_ResultBody.cpp
index 134a3f32d94de46ad088415ca96e530d22b9434c..7d3fa0b8219b24d5b70540ad72362f489d24fbbe 100644 (file)
--- a/src/Model/Model_ResultBody.cpp
+++ b/src/Model/Model_ResultBody.cpp
@@ -435,6 +435,49 @@ void Model_ResultBody::loadNextLevels(std::shared_ptr<GeomAPI_Shape> theShape,
        }
   }
 }
+
+//=======================================================================
+int findAmbiguities(const TopoDS_Shape&           theShapeIn,                                  
+                                         TopTools_ListOfShape&   theList) 
+{
+  int aNumEdges(0);
+  theList.Clear();
+  TopTools_IndexedDataMapOfShapeListOfShape subShapeAndAncestors;
+  TopAbs_ShapeEnum aTS(TopAbs_EDGE);
+  TopAbs_ShapeEnum aTA(TopAbs_FACE);
+  TopTools_MapOfShape aMap1, aMap2; // map1 - for edge ancestors; map2 - for keys => edges
+  TopTools_ListOfShape aKeyList;
+  TopExp::MapShapesAndAncestors(theShapeIn, aTS, aTA, subShapeAndAncestors);
+  for (Standard_Integer i = 1; i <= subShapeAndAncestors.Extent(); i++) {
+    const TopoDS_Shape& aKeyEdge1 = subShapeAndAncestors.FindKey(i);
+    const TopTools_ListOfShape& ancestors1 = subShapeAndAncestors.FindFromIndex(i);
+       aMap1.Clear();
+    TopTools_ListIteratorOfListOfShape it(ancestors1);
+       for(;it.More();it.Next()) aMap1.Add(it.Value()); // fill map with key ancestors => aKey1
+       for (Standard_Integer j = 1; j <= subShapeAndAncestors.Extent(); j++) {
+         if (i == j) continue;
+      const TopoDS_Shape& aKeyEdge2 = subShapeAndAncestors.FindKey(j);
+      const TopTools_ListOfShape& ancestors2 = subShapeAndAncestors.FindFromIndex(j);
+         if(ancestors1.Extent() == ancestors2.Extent() && ancestors1.Extent() > 1) {
+               int aNum (ancestors2.Extent());
+           TopTools_ListIteratorOfListOfShape it(ancestors2);
+           for(;it.More();it.Next()) 
+                       if(aMap1.Contains(it.Value())) aNum--;
+               if(aNum == 0) {
+                 if(aMap2.Add(aKeyEdge1)) 
+                       aKeyList.Append(aKeyEdge1);
+                 if(aMap2.Add(aKeyEdge2))
+                       aKeyList.Append(aKeyEdge2);
+               }
+         }
+       } // at the end ==> List of edges to be named in addition       
+  }
+  aNumEdges = aKeyList.Extent();
+  if(aNumEdges)
+       theList.Assign(aKeyList);       
+  return aNumEdges; 
+}
+
 //=======================================================================
 void Model_ResultBody::loadFirstLevel(
                     std::shared_ptr<GeomAPI_Shape> theShape, const std::string& theName, int&  theTag)
@@ -467,6 +510,16 @@ void Model_ResultBody::loadFirstLevel(
     itrShape->setImpl(new TopoDS_Shape(aShape));
        loadNextLevels(itrShape, theName, theTag); 
   }
+  TopTools_ListOfShape   aList;
+  if(findAmbiguities(aShape, aList)) {
+       TopTools_ListIteratorOfListOfShape it(aList);
+    for (; it.More(); it.Next(),theTag++) {
+         builder(theTag)->Generated(it.Value());
+         TCollection_AsciiString aStr(theTag);
+         aName = theName + aStr.ToCString();
+         buildName(theTag, aName);
+       }
+  }
 }
 
 //=======================================================================
@@ -599,4 +652,4 @@ void Model_ResultBody::loadDisconnectedVertexes(std::shared_ptr<GeomAPI_Shape> t
                theTag++;
        }
   }
-}
\ No newline at end of file
+}