Bug 312761 It makes no difference changing the series labels position in Radar chart.[13]
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/util/LiteralHelper.java
return new NameSet( prefix,
				suffix,
				toStringNameArray( MarkerType.VALUES ) );
	}
	private static NameSet getDataPointComponentTypeSet( )
	{
		String prefix = "DataPointComponentType."; 
		String suffix = ".displayName"; 
		return new NameSet( prefix,
				suffix,
				toStringNameArray( DataPointComponentType.VALUES ) );
	}
	private static NameSet getStretchSet( )
	{
		String prefix = "Stretch."; 
		String suffix = ".displayName"; 
		return new NameSet( prefix, suffix, toStringNameArray( Stretch.VALUES ) );
	}
	private static NameSet getOrientationSet( )
	{
		String prefix = "Orientation."; 
		String suffix = ".displayName"; 
		return new NameSet( prefix,
				suffix,
				toStringNameArray( Orientation.VALUES ) );
	}
	private static NameSet getDirectionSet( )
	{
		String prefix = "Direction."; 
		String suffix = ".displayName";