Bug 117149 Add additional datapoint markers
I would like to propose adding additional datapoint markers. Attached is a set of markers I would like supported.
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/type/AreaChart.java
else
			{
				imgStacked = UIHelper.getImage( "icons/wizban/horizontalstackedareachartimage.gif" ); 
				imgPercentStacked = UIHelper.getImage( "icons/wizban/horizontalpercentstackedareachartimage.gif" ); 
				imgSideBySide = UIHelper.getImage( "icons/wizban/horizontalsidebysideareachartimage.gif" ); 
			}
			vSubTypes.add( new DefaultChartSubTypeImpl( OVERLAY_SUBTYPE_LITERAL,
					imgSideBySide,
					sOverlayDescription,
					Messages.getString( "AreaChart.SubType.Overlay" ) ) );
			vSubTypes.add( new DefaultChartSubTypeImpl( STACKED_SUBTYPE_LITERAL,
					imgStacked,
					sStackedDescription,
					Messages.getString( "AreaChart.SubType.Stacked" ) ) );
			vSubTypes.add( new DefaultChartSubTypeImpl( PERCENTSTACKED_SUBTYPE_LITERAL,
					imgPercentStacked,
					sPercentStackedDescription,
					Messages.getString( "AreaChart.SubType.PercentStacked" ) ) );
		}
		else if ( sDimension.equals( TWO_DIMENSION_WITH_DEPTH_TYPE )
				|| sDimension.equals( ChartDimension.TWO_DIMENSIONAL_WITH_DEPTH_LITERAL.getName( ) ) )
		{
			if ( orientation.equals( Orientation.VERTICAL_LITERAL ) )
			{
				imgStackedWithDepth = UIHelper.getImage( "icons/wizban/stackedareachartwithdepthimage.gif" ); 
			}
			else
			{
				imgStackedWithDepth = UIHelper.getImage( "icons/wizban/horizontalstackedareachartwithdepthimage.gif" ); 
			}