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
positionObjectEDataType = createEDataType( POSITION_OBJECT );
		rgbValueEDataType = createEDataType( RGB_VALUE );
		rgbValueObjectEDataType = createEDataType( RGB_VALUE_OBJECT );
		riserTypeObjectEDataType = createEDataType( RISER_TYPE_OBJECT );
		ruleTypeObjectEDataType = createEDataType( RULE_TYPE_OBJECT );
		scaleUnitTypeObjectEDataType = createEDataType( SCALE_UNIT_TYPE_OBJECT );
		sortOptionObjectEDataType = createEDataType( SORT_OPTION_OBJECT );
		stretchObjectEDataType = createEDataType( STRETCH_OBJECT );
		styledComponentObjectEDataType = createEDataType( STYLED_COMPONENT_OBJECT );
		tickStyleObjectEDataType = createEDataType( TICK_STYLE_OBJECT );
		triggerConditionObjectEDataType = createEDataType( TRIGGER_CONDITION_OBJECT );
		triggerFlowObjectEDataType = createEDataType( TRIGGER_FLOW_OBJECT );
		unitsOfMeasurementObjectEDataType = createEDataType( UNITS_OF_MEASUREMENT_OBJECT );
		verticalAlignmentObjectEDataType = createEDataType( VERTICAL_ALIGNMENT_OBJECT );
	}
	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	private boolean isInitialized = false;
	/**
	 * Complete the initialization of the package and its meta-model. This
	 * method is guarded to have no affect on any invocation but its first. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public void initializePackageContents( )
	{
		if ( isInitialized )