Bug 168839 Chart Legend Toggle Visibility does not work correctly for Pie chart in SVG[0001]
Description: Chart Legend Toggle Visibility does not work correctly . Build number: 2.1.2.v20061221-0710 Steps to reproduce: 1. Preview the attached design file. 2. Click the legend. Expected result: Toggle Visibility works correctly. Actual result: Pie slice of different color disappears when being click. Error log: N/A
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
{
		ArrayList al = new ArrayList( );
		for ( int i = 0; i < ll.length; i++ )
		{
			if ( Double.isNaN( ll[i].getX( ) ) || Double.isNaN( ll[i].getY( ) ) )
			{
				continue;
			}
			al.add( ll[i] );
		}
		if ( ll instanceof Location3D[] )
		{
			return (Location3D[]) al.toArray( new Location3D[al.size( )] );
		}
		else
		{
			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( ) ) );
	}