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
ir = _ir;
	}
	/**
	 * Sets the diplay server for current renderer.
	 */
	public final void set( IDisplayServer _xs )
	{
		xs = _xs;
	}
	/**
	 * Sets the series rendering hints for current renderer.
	 */
	public final void set( ISeriesRenderingHints _srh )
	{
		srh = _srh;
	}
	/**
	 * Setes all associated renderers used for current chart rendering.
	 */
	public final void set( BaseRenderer[] _brna )
	{
		brna = _brna;
	}
	/**
	 * Sets the runtime context object for current renderer.
	 */
	public final void set( RunTimeContext _rtc )
	{
		rtc = _rtc;
	}