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
}
			else if ( i == iSmallestYIndex )
			{
				
				
				if ( !bSolidColor )
				{
					pre.setBackground( LIGHT_GLASS );
				}
				if ( bDeferred )
				{
					alModel.add( pre.copy( ) );
				}
				else
				{
					ipr.fillPolygon( pre );
				}
			}
			else
			{
				
				
				if ( !bSolidColor )
				{
					pre.setBackground( DARK_GLASS );
				}
				if ( bDeferred )
				{
					alModel.add( pre.copy( ) );
				}