Bug 312761 It makes no difference changing the series labels position in Radar chart.[13]
chart/org.eclipse.birt.chart.ui/src/org/eclipse/birt/chart/ui/util/ChartUIUtil.java
EList<Query> queries = vs.getDataDefinition( );
				while ( queries.size( ) < 3 )
				{
					queries.add( QueryImpl.create( "" ) ); 
				}
				setSeriesAggregation( queries.get( 0 ), "Min" );
				setSeriesAggregation( queries.get( 1 ), "Max" );
			}
		}
	}
	private static void setSeriesAggregation( Query query, String aggFunc )
	{
		SeriesGrouping grouping = query.getGrouping( );
		if ( grouping == null )
		{
			grouping = SeriesGroupingImpl.create( );
			query.setGrouping( grouping );
		}
		grouping.setEnabled( true );
		grouping.setAggregateExpression( aggFunc );
		query.setGrouping( grouping );
	}
	/**
	 * Populate the chart types for UI.
	 * 
	 * @param context
	 * @since 2.5
	 */
	public static void populateTypeTable( IWizardContext context )
	{