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
newPrimaryAxis.setLabelPosition( oldPrimaryAxis.getLabelPosition( ) );
			newPrimaryAxis.setTitlePosition( oldPrimaryAxis.getTitlePosition( ) );
		}
		ChartAdapter.endIgnoreNotifications( );
		
		getAxisXForProcessing( (ChartWithAxes) chartModel ).getAssociatedAxes( )
				.remove( axisIndex );
	}
	public static int getLastSeriesIndexWithinAxis( Chart chartModel,
			int axisIndex )
	{
		if ( chartModel instanceof ChartWithoutAxes
				|| axisIndex < 0
				|| axisIndex >= getOrthogonalAxisNumber( chartModel ) )
		{
			return -1;
		}
		int seriesIndex = -1;
		for ( int i = 0; i <= axisIndex; i++ )
		{
			seriesIndex += getOrthogonalSeriesDefinitions( chartModel, i ).size( );
		}
		return seriesIndex;
	}
	/**
	 * Reorder the index of the orthogonal sample data. If index is wrong,
	 * sample data can't display correctly.
	 * 
	 * @param chartModel
	 */