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 if ( sSubType.equalsIgnoreCase( OVERLAY_SUBTYPE_LITERAL ) )
		{
			( (Axis) ( (Axis) newChart.getAxes( ).get( 0 ) ).getAssociatedAxes( )
					.get( 0 ) ).setOrientation( Orientation.VERTICAL_LITERAL );
			( (Axis) ( (Axis) newChart.getAxes( ).get( 0 ) ).getAssociatedAxes( )
					.get( 0 ) ).setType( AxisType.LINEAR_LITERAL );
			SeriesDefinition sdY = SeriesDefinitionImpl.create( );
			sdY.getSeriesPalette( ).update( 0 );
			Series valueSeries = AreaSeriesImpl.create( );
			valueSeries.getLabel( ).setVisible( true );
			( (AreaSeries) valueSeries ).getMarker( ).setVisible( false );
			( (AreaSeries) valueSeries ).getLineAttributes( )
					.setColor( ColorDefinitionImpl.BLUE( ) );
			( (AreaSeries) valueSeries ).setStacked( false );
			sdY.getSeries( ).add( valueSeries );
			( (Axis) ( (Axis) newChart.getAxes( ).get( 0 ) ).getAssociatedAxes( )
					.get( 0 ) ).getSeriesDefinitions( ).add( sdY );
		}
		if ( sDimension.equals( THREE_DIMENSION_TYPE ) )
		{
			newChart.setRotation( Rotation3DImpl.create( new Angle3D[]{
				Angle3DImpl.create( -20, 45, 0 )
			} ) );
			newChart.setUnitSpacing( 50 );
			newChart.getPrimaryBaseAxes( )[0].getAncillaryAxes( ).clear( );
			Axis zAxisAncillary = AxisImpl.create( Axis.ANCILLARY_BASE );
			zAxisAncillary.setTitlePosition( Position.BELOW_LITERAL );
			zAxisAncillary.getTitle( )
					.getCaption( )