Bug 179913 Meter Chart color by categories with null values does not work correctly [0001]
Description: Meter Chart color by categories with null values does not work correctly. Build number: 2.2.0.v20070329-1055 Steps to reproduce: 1. New a Meter Chart with values as follows: Moto, null; Nokia, 58; null, 66; Benq, null. 2. In "Format Chart" tab, select "Series" node, choose "Color by Categories". 3. Preview. Expected result: 1. The needle which shows the second value should take the second color. 2. There should be four in the legend area and the third name is null. Actual result: 1. The needle which shows the second value should take the first color. 2. There should be three in the legend area. Error log: N/A
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/LegendBuilder.java
dFHeight,
						la.getCaption( ).getValue( ),
						dEHeight,
						extraText ) );
			}
			
			dRealWidth = Math.max( dRealWidth, dWidth );
			
			dRowHeight = dMaxH + legendData.dVerticalReservedSpace;
			if ( dExtraHeight + dRowHeight > legendData.dAvailableHeight
					+ legendData.dSafeSpacing )
			{
				
			}
			else
			{
				legendData.legendItems.addAll( columnList );
				if ( oneVisibleSerie )
				{
					dExtraHeight += dRowHeight;
					
					if ( j < seda.length - 1
							&& ( cm.getLegend( ).getSeparator( ) == null || cm.getLegend( )
									.getSeparator( )
									.isVisible( ) ) )
					{
						dHeight += legendData.dSeparatorThickness;
						legendData.legendItems.add( new LegendItemHints( LEGEND_SEPERATOR,
								new Point( 0, dExtraHeight
										- legendData.dSeparatorThickness