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
BoundingBox bb = null;
				try
				{
					bb = Methods.computeBox( xs, IConstants.ABOVE, la, 0, 0 );
				}
				catch ( IllegalArgumentException uiex )
				{
					throw new ChartException( ChartEnginePlugin.ID,
							ChartException.RENDERING,
							uiex );
				}
				dH = bb.getHeight( );
				double dFHeight = dH;
				double dFWidth = bb.getWidth( );
				double dEHeight = 0;
				String extraText = null;
				dDeltaWidth = legendData.insCa.getLeft( )
						+ ( 3 * legendData.dItemHeight )
						/ 2
						+ dFWidth
						+ legendData.insCa.getRight( )
						+ legendData.dHorizontalSpacing;
				if ( cm.getLegend( ).isShowValue( ) )
				{
					DataSetIterator dsiBase = null;
					try
					{
						dsiBase = new DataSetIterator( se.getDataSet( ) );
					}
					catch ( Exception ex )