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
oaxPrimaryOrthogonal.set(
		
		getIntersection( axPrimaryOrthogonal )
		
		);
		oaxPrimaryOrthogonal.set( axPrimaryOrthogonal.getLineAttributes( ) );
		aax.definePrimary( oaxPrimaryOrthogonal ); 
		
		aax.initOverlays( axaOverlayOrthogonal.length,
				getOrientation( IConstants.ORTHOGONAL ) );
		OneAxis oaxOverlayOrthogonal;
		for ( int i = 0; i < axaOverlayOrthogonal.length; i++ )
		{
			if ( !axaOverlayOrthogonal[i].isSetOrientation( ) )
			{
				axaOverlayOrthogonal[i].setOrientation( Orientation.VERTICAL_LITERAL );
			}
			validateAxis( axaOverlayOrthogonal[i] );
			oaxOverlayOrthogonal = new OneAxis( axaOverlayOrthogonal[i] );
			oaxOverlayOrthogonal.set( getOrientation( IConstants.ORTHOGONAL ),
					transposeLabelPosition( IConstants.ORTHOGONAL,
							getLabelPosition( !isTransposed ? axaOverlayOrthogonal[i].getLabelPosition( )
									: axaOverlayOrthogonal[i].getLabelPosition( ) ) ),
					transposeLabelPosition( IConstants.ORTHOGONAL,
							getLabelPosition( !isTransposed ? axaOverlayOrthogonal[i].getTitlePosition( )
									: axaOverlayOrthogonal[i].getTitlePosition( ) ) ),
					axaOverlayOrthogonal[i].isSetCategoryAxis( )
							&& axaOverlayOrthogonal[i].isCategoryAxis( ),
					axaOverlayOrthogonal[i].getScale( )
							.isTickBetweenCategories( ) );