Bug 197245 Interactivity in Gantt series doesn't work[13]
Description: Inconsistent behaviors occur when (Y) Series and Legend Interactivity [Series Color By: Value Series] Build number: 2.2.1.v20070720-0630 Steps: 1. Create a Gantt Chart, Set Color By: Value Series. 2. Set Interavtivity Event: Mouse Click, Action: Highlight at (Y) Series and Legend. 3. Preview and Click. (Y) Series and Legend. Expected result: (Y) Series change color. Actual result: Chart Area change color. Error log: N/A
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
*/
	protected static double OVERRIDE_TRANSPARENCY = 50;
	/**
	 * The associated runtimeContext.
	 */
	protected transient RunTimeContext rtc = null;
	
	
	protected DeferredCacheManager fDeferredCacheManager;
	private static ILogger logger = Logger.getLogger( "org.eclipse.birt.chart.engine/render" ); 
	/**
	 * The internal constructor that must be defined as public
	 * 
	 * @param _ir
	 * @param _cm
	 */
	public BaseRenderer( )
	{
	}
	/**
	 * Sets the context infomation for current renderer.
	 * 
	 * @param _cm
	 * @param _o
	 * @param _se
	 * @param _ax
	 * @param _sd
	 */
	public void set( Chart _cm, Object _oComputation, Series _se,
			SeriesDefinition _sd )