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
return (Location[]) al.toArray( new Location[al.size( )] );
	}
	/**
	 * Check the if the given value is NaN.
	 * 
	 * @param value
	 * @return
	 */
	protected static boolean isNaN( Object value )
	{
		return ( value == null )
				|| ( value instanceof Number && Double.isNaN( ( (Number) value ).doubleValue( ) ) );
	}
	/**
	 * Returns if the right-left mode is enabled.
	 * 
	 * @return
	 */
	public boolean isRightToLeft( )
	{
		if ( rtc == null )
		{
			return false;
		}
		return rtc.isRightToLeft( );
	}
	/**
	 * Returns if current palette is from the category series.
	 * 
	 * @return