Bug 177483 [Regression] The value in chart area and legend area are different for Meter chart [0001]
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/LegendBuilder.java
catch ( IllegalArgumentException uiex )
			{
				throw new ChartException( ChartEnginePlugin.ID,
						ChartException.RENDERING,
						uiex );
			}
			iTitlePos = lg.getTitlePosition( ).getValue( );
			
			if ( rtc.isRightToLeft( ) )
			{
				if ( iTitlePos == Position.LEFT )
				{
					iTitlePos = Position.RIGHT;
				}
				else if ( iTitlePos == Position.RIGHT )
				{
					iTitlePos = Position.LEFT;
				}
			}
			double shadowness = 3 * legendData.dScale;
			switch ( iTitlePos )
			{
				case Position.ABOVE :
				case Position.BELOW :
					legendData.dAvailableHeight -= titleBounding.getHeight( )
							+ 2
							* shadowness;
					break;
				case Position.LEFT :
				case Position.RIGHT :