Bug 194727 Pyramid chart with 2d+ dimension should like a pyramid
Pyramid chart in 2d+ dimension should like a pyramid, rather than a triangle with depth effect. In addition, pyramid in 2d+ should like itself in 3d as well. Take a look at attached screenshot to compare the charts.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
{
		final PluginSettings ps = PluginSettings.instance( );
		BaseRenderer[] brna = null;
		final boolean bPaletteByCategory = ( cm.getLegend( )
				.getItemType( )
				.getValue( ) == LegendItemType.CATEGORIES );
		if ( cm instanceof ChartWithAxes )
		{
			final ChartWithAxes cwa = (ChartWithAxes) cm;
			final Axis[] axa = cwa.getPrimaryBaseAxes( );
			Axis axPrimaryBase = axa[0];
			Series se;
			AxesRenderer ar = null;
			List al = new ArrayList( ), alRunTimeSeries;
			EList elBase, elOrthogonal;
			SeriesDefinition sd = null;
			int iSI = 0; 
			elBase = axPrimaryBase.getSeriesDefinitions( );
			if ( elBase.isEmpty( ) ) 
			{
				return createEmptyInstance( cm, rtc, oComputations );
			}
			else
			{
				
				
				
				final SeriesDefinition sdBase = (SeriesDefinition) elBase.get( 0 );
				alRunTimeSeries = sdBase.getRunTimeSeries( );
				if ( alRunTimeSeries.isEmpty( ) )