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
/ 2 ),
								dRealWidth,
								0,
								null,
								0,
								null ) );
					}
				}
			}
			columnList.clear( );
			
			dMaxH = 0;
			dWidth = 0;
		}
		dHeight += dExtraHeight;
		dWidth = Math.max( dRealWidth, dWidth );
		return new double[]{
				dWidth, dHeight
		};
	}
	private double[] computeHorizalByLeftRightValue( IDisplayServer xs,
			Chart cm, SeriesDefinition[] seda, RunTimeContext rtc,
			ITextMetrics itm, Label la, LegendData legendData )
			throws ChartException
	{
		double dWidth = 0, dHeight = 0;
		double dMaxH = 0, dRowHeight;
		double dRealWidth = 0, dExtraHeight = 0, dDeltaWidth;
		ArrayList columnList = new ArrayList( );