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/model/type/impl/PieSeriesImpl.java
/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet( int featureID, Object newValue )
	{
		switch ( featureID )
		{
			case TypePackage.PIE_SERIES__EXPLOSION :
				setExplosion( (Integer) newValue );
				return;
			case TypePackage.PIE_SERIES__EXPLOSION_EXPRESSION :
				setExplosionExpression( (String) newValue );
				return;
			case TypePackage.PIE_SERIES__TITLE :
				setTitle( (Label) newValue );
				return;
			case TypePackage.PIE_SERIES__TITLE_POSITION :
				setTitlePosition( (Position) newValue );
				return;
			case TypePackage.PIE_SERIES__LEADER_LINE_ATTRIBUTES :
				setLeaderLineAttributes( (LineAttributes) newValue );
				return;
			case TypePackage.PIE_SERIES__LEADER_LINE_STYLE :
				setLeaderLineStyle( (LeaderLineStyle) newValue );
				return;
			case TypePackage.PIE_SERIES__LEADER_LINE_LENGTH :
				setLeaderLineLength( (Double) newValue );