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/AttributePackage.java
*/
		EAttribute LINE_ATTRIBUTES__THICKNESS = eINSTANCE.getLineAttributes_Thickness( );
		/**
		 * The meta object literal for the '<em><b>Color</b></em>' containment reference feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EReference LINE_ATTRIBUTES__COLOR = eINSTANCE.getLineAttributes_Color( );
		/**
		 * The meta object literal for the '<em><b>Visible</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute LINE_ATTRIBUTES__VISIBLE = eINSTANCE.getLineAttributes_Visible( );
		/**
		 * The meta object literal for the '{@link org.eclipse.birt.chart.model.attribute.impl.LocationImpl <em>Location</em>}' class.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @see org.eclipse.birt.chart.model.attribute.impl.LocationImpl
		 * @see org.eclipse.birt.chart.model.attribute.impl.AttributePackageImpl#getLocation()
		 * @generated
		 */
		EClass LOCATION = eINSTANCE.getLocation( );
		/**
		 * The meta object literal for the '<em><b>X</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated