Bug 188029 Top face is missing in Area chart of 2D+ with negative values
Top face is missing in Area chart of 2D+ with negative values. Please see attached screenshot.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/withaxes/PlotWith2DAxes.java
{
									dGroupMax += dValue; 
								}
								else if ( dValue < 0 )
								{
									dGroupMin += dValue; 
								}
							}
							iSeriesIndex++;
						}
						final AxisSubUnit au = ssl.getSubUnit( sg, k );
						au.setPositiveTotal( dGroupMax );
						au.setNegativeTotal( dGroupMin );
						
						
						dAxisMax = Math.max( dGroupMax, dAxisMax );
						dAxisMin = Math.min( dGroupMin, dAxisMin );
						if ( ax.isPercent( ) )
						{
							if ( dAbsTotal != 0d )
							{
								dPercentMax = Math.max( ( dGroupMax / dAbsTotal ) * 100d,
										dPercentMax );
								dPercentMin = Math.min( ( dGroupMin / dAbsTotal ) * 100d,
										dPercentMin );
							}
						}
					}
				}
			}