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
}
		ScriptHandler.callFunction( sh,
				ScriptHandler.AFTER_DRAW_LEGEND_ITEM,
				lerh,
				bo,
				getRunTimeContext( ).getScriptContext( ) );
		getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.AFTER_DRAW_LEGEND_ITEM,
				lerh );
		ScriptHandler.callFunction( sh,
				ScriptHandler.AFTER_DRAW_LEGEND_ENTRY,
				la,
				getRunTimeContext( ).getScriptContext( ) );
		getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.AFTER_DRAW_LEGEND_ENTRY,
				la );
	}
	/**
	 * Renders the Plot
	 * 
	 * @param ipr
	 *            The Primitive Renderer of a Device Renderer
	 * @param p
	 *            The Plot to render
	 * 
	 * @throws ChartException
	 */
	public void renderPlot( IPrimitiveRenderer ipr, Plot p )
			throws ChartException
	{
		if ( !p.isVisible( ) ) 
		{