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
oComputations,
									se,
									axaOrthogonal[i],
									bPaletteByCategory ? sdBase : sd );
							ar.iSeriesIndex = iSI++;
							al.add( ar );
						}
					}
				}
				
				brna = new BaseRenderer[iSI];
				for ( int i = 0; i < iSI; i++ )
				{
					ar = (AxesRenderer) al.get( i );
					ar.iSeriesCount = iSI;
					brna[i] = ar;
				}
			}
		}
		else if ( cm instanceof ChartWithoutAxes )
		{
			final ChartWithoutAxes cwoa = (ChartWithoutAxes) cm;
			EList elBase = cwoa.getSeriesDefinitions( );
			EList elOrthogonal;
			SeriesDefinition sd, sdBase;
			List alRuntimeSeries;
			final Series[] sea = cwoa.getRunTimeSeries( );
			Series se;
			final int iSeriesCount = sea.length;
			brna = new BaseRenderer[iSeriesCount];