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
public static final NameSet riserTypeSet = getRiserTypeSet( );
	/**
	 * Comment for <code>scaleUnitTypeSet</code>
	 */
	public static final NameSet scaleUnitTypeSet = getScaleUnitTypeSet( );
	/**
	 * Comment for <code>sortOptionSet</code>
	 */
	public static final NameSet sortOptionSet = getSortOptionSet( );
	/**
	 * Comment for <code>stretchSet</code>
	 */
	public static final NameSet stretchSet = getStretchSet( );
	/**
	 * Comment for <code>triggerConditionSet</code>
	 */
	public static final NameSet triggerConditionSet = getTriggerConditionSet( );
	/**
	 * Comment for <code>unitsOfMeasurementSet</code>
	 */
	public static final NameSet unitsOfMeasurementSet = getUnitsOfMeasurementSet( );
	/**
	 * Comment for <code>leaderLineStyleSet</code>
	 */
	public static final NameSet leaderLineStyleSet = getLeaderLineStyleSet( );
	/**
	 * Comment for <code>anchorSet</code>
	 */
	public static final NameSet anchorSet = getAnchorSet( );
	/**