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
list.add( array[i] );
		}
	}
	/**
	 * Caches label position for different subtype.
	 * 
	 * @param seriesDefinition
	 *            the series definition in chart.
	 */
	public static void saveLabelPositionIntoCache(
			SeriesDefinition seriesDefinition )
	{
		if ( seriesDefinition == null )
		{
			return;
		}
		
		for ( Series series : seriesDefinition.getSeries( ) )
		{
			if ( series instanceof BarSeries )
			{
				String stackedCase = ChartUIConstants.NON_STACKED_TYPE;
				if ( series.isStacked( ) )
				{
					stackedCase = ChartUIConstants.STACKED_TYPE;
				}
				ChartCacheManager.getInstance( )
						.cacheLabelPositionWithStackedCase( stackedCase,
								series.getLabelPosition( ) );
				break;