+//================================================================================
+/*!
+ * \brief Double nodes on some external faces and create flat elements.
+ * Flat elements are mainly used by some types of mechanic calculations.
+ *
+ * Each group of the list must be constituted of faces.
+ * Triangles are transformed in prisms, and quadrangles in hexahedrons.
+ * @param theGroupsOfFaces - list of groups of faces
+ * @return TRUE if operation has been completed successfully, FALSE otherwise
+ */
+//================================================================================
+
+CORBA::Boolean SMESH_MeshEditor_i::CreateFlatElementsOnFacesGroups( const SMESH::ListOfGroups& theGroupsOfFaces )
+{
+ initData();
+
+ ::SMESH_MeshEditor aMeshEditor( myMesh );
+
+ SMESHDS_Mesh* aMeshDS = GetMeshDS();
+
+ vector<TIDSortedElemSet> faceGroups;
+ faceGroups.clear();
+
+ for ( int i = 0, n = theGroupsOfFaces.length(); i < n; i++ )
+ {
+ SMESH::SMESH_GroupBase_var aGrp = theGroupsOfFaces[ i ];
+ if ( !CORBA::is_nil( aGrp ) && ( aGrp->GetType() != SMESH::NODE ) )
+ {
+ TIDSortedElemSet faceGroup;
+ faceGroup.clear();
+ faceGroups.push_back(faceGroup);
+ SMESH::long_array_var anIDs = aGrp->GetIDs();
+ arrayToSet( anIDs, aMeshDS, faceGroups[ i ], SMDSAbs_All );
+ }
+ }
+
+ bool aResult = aMeshEditor.CreateFlatElementsOnFacesGroups( faceGroups );
+ // TODO publish the groups of flat elements in study
+
+ storeResult( aMeshEditor) ;
+ myMesh->GetMeshDS()->Modified();
+
+ // Update Python script
+ TPythonDump() << "isDone = " << this << ".CreateFlatElementsOnFacesGroups( " << &theGroupsOfFaces << " )";
+ return aResult;
+}
+