Bug 176582 "Show Lines as Curves" does not work correctly for Area Chart [0001]
Description: "Show Lines as Curves" does not work correctly for Area Chart. Build number: 2.2.0.v20070307-1128 Steps to reproduce: 1. New a Area Chart. 2. In "Format Chart" tab, select Series->Value (Y) Series, tick and untick "Show Lines as Curves" checkbox. Expected result: Null value point e is treated the same when tick and untick "Show Lines as Curves" checkbox. Actual result: Null value point e is treated differently (see the screenshot). Error log: N/A
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
se = (Series) alRuntimeSeries.get( k );
						brna[iSI] = ( se.getClass( ) == SeriesImpl.class ) ? new EmptyWithoutAxes( )
								: ps.getRenderer( se.getClass( ) );
						
						brna[iSI].set( cm,
								oComputations,
								se,
								bPaletteByCategory ? sdBase : sd );
						brna[iSI].iSeriesIndex = iSI++;
					}
				}
			}
			for ( int k = 0; k < iSI; k++ )
			{
				brna[k].iSeriesCount = iSI;
			}
		}
		return brna;
	}
	/**
	 * @return Returns series associated with current renderer.
	 */
	public final Series getSeries( )
	{
		return se;
	}
	/**
	 * @return Returns chart model associated with current renderer.
	 */
	public final Chart getModel( )