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.engine/src/org/eclipse/birt/chart/model/attribute/impl/AttributePackageImpl.java
createEAttribute( urlValueEClass, URL_VALUE__SERIES_PARAMETER_NAME );
		
		actionTypeEEnum = createEEnum( ACTION_TYPE );
		anchorEEnum = createEEnum( ANCHOR );
		angleTypeEEnum = createEEnum( ANGLE_TYPE );
		axisTypeEEnum = createEEnum( AXIS_TYPE );
		chartDimensionEEnum = createEEnum( CHART_DIMENSION );
		chartTypeEEnum = createEEnum( CHART_TYPE );
		dataPointComponentTypeEEnum = createEEnum( DATA_POINT_COMPONENT_TYPE );
		dataTypeEEnum = createEEnum( DATA_TYPE );
		dateFormatDetailEEnum = createEEnum( DATE_FORMAT_DETAIL );
		dateFormatTypeEEnum = createEEnum( DATE_FORMAT_TYPE );
		directionEEnum = createEEnum( DIRECTION );
		groupingUnitTypeEEnum = createEEnum( GROUPING_UNIT_TYPE );
		horizontalAlignmentEEnum = createEEnum( HORIZONTAL_ALIGNMENT );
		intersectionTypeEEnum = createEEnum( INTERSECTION_TYPE );
		leaderLineStyleEEnum = createEEnum( LEADER_LINE_STYLE );
		legendBehaviorTypeEEnum = createEEnum( LEGEND_BEHAVIOR_TYPE );
		legendItemTypeEEnum = createEEnum( LEGEND_ITEM_TYPE );
		lineDecoratorEEnum = createEEnum( LINE_DECORATOR );
		lineStyleEEnum = createEEnum( LINE_STYLE );
		markerTypeEEnum = createEEnum( MARKER_TYPE );
		orientationEEnum = createEEnum( ORIENTATION );
		positionEEnum = createEEnum( POSITION );
		riserTypeEEnum = createEEnum( RISER_TYPE );
		ruleTypeEEnum = createEEnum( RULE_TYPE );
		scaleUnitTypeEEnum = createEEnum( SCALE_UNIT_TYPE );
		sortOptionEEnum = createEEnum( SORT_OPTION );
		stretchEEnum = createEEnum( STRETCH );
		styledComponentEEnum = createEEnum( STYLED_COMPONENT );