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
}
		}
	}
	/**
	 * Restore cached label position to BarSeries in current chart.
	 * 
	 * @param currentChart
	 *            current chart.
	 */
	public static void restoreLabelPositionFromCache( Chart currentChart )
	{
		if ( currentChart == null )
		{
			return;
		}
		SeriesDefinition[] sds = currentChart.getSeriesForLegend( );
		for ( int i = 0; i < sds.length; i++ )
		{
			EList<Series> seriesList = sds[i].getSeries( );
			for ( Iterator<Series> iter = seriesList.iterator( ); iter.hasNext( ); )
			{
				Series series = iter.next( );
				if ( series instanceof BarSeries )
				{
					String stackedCase = ChartUIConstants.NON_STACKED_TYPE;
					if ( series.isStacked( ) )
					{
						stackedCase = ChartUIConstants.STACKED_TYPE;
					}
					Position labelPosition = ChartCacheManager.getInstance( )