Bug 208412 Enhance Chart Engine to process grouped, uni-dimensional Data
chart/org.eclipse.birt.chart.reportitem/src/org/eclipse/birt/chart/reportitem/ChartReportItemPresentationBase.java
handle = eih;
		Object of = handle.getProperty( ChartReportItemUtil.PROPERTY_OUTPUT );
		if ( of instanceof String )
		{
			outputFormat = (String) of;
		}
		of = ( (ChartReportItemImpl) item ).getProperty( ChartReportItemUtil.PROPERTY_SCALE );
		if ( of instanceof ScaleContext )
		{
			if ( rtc == null )
			{
				rtc = new RunTimeContext( );
			}
			rtc.setScale( (ScaleContext) of );
		}
	}
	protected IReportItem getReportItem( ExtendedItemHandle eih )
	{
		IReportItem item = null;
		try
		{
			item = eih.getReportItem( );
		}
		catch ( ExtendedElementException e )
		{
			logger.log( e );
		}
		if ( item == null )
		{
			try