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
if ( uv.getBaseParameterName( ) != null
						&& uv.getBaseParameterName( ).length( ) > 0 )
				{
					sb.append( c );
					c = '&';
					sb.append( URLValueImpl.encode( uv.getBaseParameterName( ) ) );
					sb.append( '=' );
					sb.append( URLValueImpl.encode( dph.getBaseDisplayValue( ) ) );
				}
				if ( uv.getValueParameterName( ) != null
						&& uv.getValueParameterName( ).length( ) > 0 )
				{
					sb.append( c );
					c = '&';
					sb.append( URLValueImpl.encode( uv.getValueParameterName( ) ) );
					sb.append( '=' );
					sb.append( URLValueImpl.encode( dph.getOrthogonalDisplayValue( ) ) );
				}
				if ( uv.getSeriesParameterName( ) != null
						&& uv.getSeriesParameterName( ).length( ) > 0 )
				{
					sb.append( c );
					c = '&';
					sb.append( URLValueImpl.encode( uv.getSeriesParameterName( ) ) );
					sb.append( '=' );
					sb.append( URLValueImpl.encode( dph.getSeriesDisplayValue( ) ) );
				}
				uv.setBaseUrl( sb.toString( ) );
			}
		}