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
/**
	 * Renders the Chart Title Block
	 * 
	 * @param ipr
	 *            The Primitive Renderer of a Device Renderer
	 * @param b
	 *            The TitleBlock to render
	 * 
	 * @throws ChartException
	 */
	public void renderTitle( IPrimitiveRenderer ipr, TitleBlock b )
			throws ChartException
	{
		
		TextAlignment restoreValue = b.getLabel( )
				.getCaption( )
				.getFont( )
				.getAlignment( );
		b.getLabel( )
				.getCaption( )
				.getFont( )
				.setAlignment( switchTextAlignment( restoreValue ) );
		renderLabel( ipr, b, StructureSource.createTitle( b ) );
		
		b.getLabel( ).getCaption( ).getFont( ).setAlignment( restoreValue );
		if ( isInteractivityEnabled( ) )
		{
			Trigger tg;
			EList elTriggers = b.getTriggers( );
			Location[] loaHotspot = new Location[4];