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
	 */
	public boolean isSetExplosion( )
	{
		return explosionESet;
	}
	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public String getExplosionExpression( )
	{
		return explosionExpression;
	}
	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void setExplosionExpression( String newExplosionExpression )
	{
		String oldExplosionExpression = explosionExpression;
		explosionExpression = newExplosionExpression;
		if ( eNotificationRequired( ) )
			eNotify( new ENotificationImpl( this,
					Notification.SET,
					TypePackage.PIE_SERIES__EXPLOSION_EXPRESSION,
					oldExplosionExpression,