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
}
		return ta;
	}
	/**
	 * Returns if interactivity is enabled on the model.
	 * 
	 * @return
	 */
	public boolean isInteractivityEnabled( )
	{
		return ( cm.getInteractivity( ) == null || cm.getInteractivity( )
				.isEnable( ) );
	}
	/**
	 * Returns if the corresponding category entry is filtered as minslice in
	 * legend. Subclass should override this method to implement their own
	 * legend strategy.
	 * 
	 * @return return null if no minslice applied or minslice feature is not
	 *         supported.
	 */
	public int[] getFilteredMinSliceEntry( DataSetIterator dsi )
	{
		
		return null;
	}
	/**
	 * Updates the tranlucency of the fill according to series setting.
	 * 
	 * @param fill