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
* 
	 * @return
	 */
	public static final Series create( )
	{
		final PieSeries se = TypeFactory.eINSTANCE.createPieSeries( );
		( (PieSeriesImpl) se ).initialize( );
		return se;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.model.component.Series#initialize()
	 */
	protected final void initialize( )
	{
		super.initialize( );
		setExplosion( 20 );
		setLabelPosition( Position.OUTSIDE_LITERAL );
		setLeaderLineAttributes( LineAttributesImpl.create( null,
				LineStyle.SOLID_LITERAL,
				1 ) );
		setLeaderLineLength( 40 );
		setLeaderLineStyle( LeaderLineStyle.STRETCH_TO_SIDE_LITERAL );
		
		
		getLabel( ).setVisible( true );
		final Label la = LabelImpl.create( );
		la.getCaption( ).getFont( ).setSize( 16 );
		la.getCaption( ).getFont( ).setBold( true );