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
return xs.getDpiResolution( ) / 72d;
	}
	/**
	 * @return Returns the series definition associated with current renderer.
	 */
	public final SeriesDefinition getSeriesDefinition( )
	{
		return sd;
	}
	/**
	 * Identifies the series sequence # in the list of series renders(start from
	 * 0).
	 * 
	 * @return The index of the Series being rendered
	 */
	public final int getSeriesIndex( )
	{
		return iSeriesIndex;
	}
	/**
	 * @return Returns the series count for current chart rendering.
	 */
	public final int getSeriesCount( )
	{
		return iSeriesCount;
	}
	/**
	 * @return Returns the deferred cache associated with current renderer.
	 */
	public final DeferredCache getDeferredCache( )