+//=======================================================================
+//function : GetElemFaceNodes
+//purpose : Returns three components of normal of given mesh face.
+//=======================================================================
+
+SMESH::double_array* SMESH_Mesh_i::GetFaceNormal(CORBA::Long elemId)
+{
+ if ( _preMeshInfo )
+ _preMeshInfo->FullLoadFromFile();
+
+ SMESH::double_array_var aResult = new SMESH::double_array();
+
+ if ( SMESHDS_Mesh* mesh = _impl->GetMeshDS() )
+ {
+ gp_XYZ normal;
+ if ( SMESH_MeshAlgos::FaceNormal( mesh->FindElement(elemId), normal, /*normalized=*/true ))
+ {
+ aResult->length( 3 );
+ aResult[ 0 ] = normal.X();
+ aResult[ 1 ] = normal.Y();
+ aResult[ 2 ] = normal.Z();
+ }
+ }
+ return aResult._retn();
+}
+