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
}
		}
		return false;
	}
	/**
	 * Sets default aggregation functions for model
	 * 
	 * @param cm
	 *            model
	 * @since 2.5.1
	 */
	public static void updateDefaultAggregations( Chart cm )
	{
		for ( SeriesDefinition vsd : getAllOrthogonalSeriesDefinitions( cm ) )
		{
			Series vs = vsd.getDesignTimeSeries( );
			if ( vs instanceof StockSeries )
			{
				EList<Query> queries = vs.getDataDefinition( );
				while ( queries.size( ) < 4 )
				{
					queries.add( QueryImpl.create( "" ) ); 
				}
				setSeriesAggregation( queries.get( 0 ), "Max" );
				setSeriesAggregation( queries.get( 1 ), "Min" );
				setSeriesAggregation( queries.get( 2 ), "First" );
				setSeriesAggregation( queries.get( 3 ), "Last" );
			}
			if ( vs instanceof GanttSeries )
			{