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
valueLa.getCaption( ).setColor( la.getCaption( ).getColor( ) );
		}
		
		LegendEntryRenderingHints lerh = new LegendEntryRenderingHints( la,
				valueLa,
				dataIndex,
				fPaletteEntry );
		ScriptHandler sh = getRunTimeContext( ).getScriptHandler( );
		
		ScriptHandler.callFunction( sh,
				ScriptHandler.BEFORE_DRAW_LEGEND_ENTRY,
				la,
				getRunTimeContext( ).getScriptContext( ) );
		getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_LEGEND_ENTRY,
				la );
		final Bounds bo = lirh.getLegendGraphicBounds( );
		if ( isRightToLeft( ) )
		{
			bo.setLeft( ( dX + dColumnWidth - dLeftInset - 1 - 3 * dItemHeight / 2 )
					/ dScale );
		}
		else
		{
			bo.setLeft( ( dX + dLeftInset + 1 ) / dScale );
		}
		bo.setTop( ( dY + 1 + ( dFullHeight - dItemHeight ) / 2 ) / dScale );
		bo.setWidth( ( 3 * dItemHeight / 2 ) / dScale );
		bo.setHeight( ( dItemHeight - 2 ) / dScale );
		ScriptHandler.callFunction( sh,
				ScriptHandler.BEFORE_DRAW_LEGEND_ITEM,