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
{
		private final EObject eObj;
		private final EAttribute eAttr;
		public EAttributeAccessor( EObject eObj, EAttribute eAttr )
		{
			this.eObj = eObj;
			this.eAttr = eAttr;
		}
		@SuppressWarnings("unchecked")
		public T load( )
		{
			return (T) eObj.eGet( eAttr );
		}
		public void save( T value )
		{
			save( value, false );
		}
		public void save( T value, boolean bIgnoreNotification )
		{
			if ( bIgnoreNotification )
			{
				ChartAdapter.beginIgnoreNotifications( );
			}
			eObj.eSet( eAttr, value );