Bug 210054 Axis labels will disappear when only select the first series as visible.
Description: Axis labels will disappear when only select the first series to display. build version: 2.3 v20071115-0800 steps to reproduce: 1. New a report. 2. New a datasource and dataset. 3. New a bar chart. 4. On Select Data page, create two value series. 5. Switch to Format Chart page, select Series. 6. Uncheck the two Visiable check box to hide the two series. 7. Check the first Visible check box to display the first series. Expected result: The Axis lables should not disappear. Actual result: The Axis lables disappear both in live preview and in preview.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
}
		return ta;
	}
	/**
	 * Returns if interactivity is enabled on the model.
	 * 
	 * @return
	 */
	public boolean isInteractivityEnabled( )
	{
		return ( cm.getInteractivity( ) == null || cm.getInteractivity( )
				.isEnable( ) );
	}
	/**
	 * Returns if the corresponding category entry is filtered as minslice in
	 * legend. Subclass should override this method to implement their own
	 * legend strategy.
	 * 
	 * @return return null if no minslice applied or minslice feature is not
	 *         supported.
	 */
	public int[] getFilteredMinSliceEntry( DataSetIterator dsi )
	{
		
		return null;
	}
	/**
	 * Updates the tranlucency of the fill according to series setting.
	 * 
	 * @param fill