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
* @param lg
	 * @param la
	 * @param dX
	 * @param dY
	 * @param dW
	 * @param dItemHeight
	 * @param dLeftInset
	 * @param dHorizontalSpacing
	 * @param se
	 * @param fPaletteEntry
	 * @param lirh
	 * @param i
	 *            data row index
	 * 
	 * @throws RenderingException
	 */
	protected final void renderLegendItem( IPrimitiveRenderer ipr, Legend lg,
			Label la, Label valueLa, double dX, double dY, double dW,
			double dItemHeight, double dFullHeight, double dExtraHeight,
			double dColumnWidth, double dLeftInset, double dHorizontalSpacing,
			Series se, Fill fPaletteEntry, LegendItemRenderingHints lirh,
			int dataIndex, double dScale ) throws ChartException
	{
		
		if ( la != null
				&& la.getCaption( ) != null
				&& valueLa != null
				&& valueLa.getCaption( ) != null )
		{
			valueLa.getCaption( ).setFont( la.getCaption( ).getFont( ) );