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
direction
						},
						Messages.getResourceBundle( xs.getULocale( ) ) );
			}
		}
		else
		{
			throw new ChartException( ChartEnginePlugin.ID,
					ChartException.GENERATION,
					"exception.illegal.rendering.orientation", 
					new Object[]{
						orientation
					},
					Messages.getResourceBundle( xs.getULocale( ) ) );
		}
		if ( size == null )
		{
			return SizeImpl.create( 0, 0 );
		}
		double dWidth = size[0], dHeight = size[1];
		if ( iTitlePos != -1 )
		{
			double shadowness = 3 * legendData.dScale;
			switch ( iTitlePos )
			{
				case Position.ABOVE :
				case Position.BELOW :
					dHeight += titleBounding.getHeight( ) + 2 * shadowness;
					dWidth = Math.max( dWidth, titleBounding.getWidth( )
							+ 2