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
* Returns the meta object for the attribute '{@link org.eclipse.birt.chart.model.attribute.Angle3D#getZAngle <em>ZAngle</em>}'.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @return the meta object for the attribute '<em>ZAngle</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.Angle3D#getZAngle()
	 * @see #getAngle3D()
	 * @generated
	 */
	EAttribute getAngle3D_ZAngle( );
	/**
	 * Returns the meta object for the attribute '{@link org.eclipse.birt.chart.model.attribute.Angle3D#getType <em>Type</em>}'.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @return the meta object for the attribute '<em>Type</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.Angle3D#getType()
	 * @see #getAngle3D()
	 * @generated
	 */
	EAttribute getAngle3D_Type( );
	/**
	 * Returns the meta object for class '{@link org.eclipse.birt.chart.model.attribute.AxisOrigin <em>Axis Origin</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for class '<em>Axis Origin</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.AxisOrigin
	 * @generated
	 */
	EClass getAxisOrigin( );
	/**
	 * Returns the meta object for the attribute '{@link org.eclipse.birt.chart.model.attribute.AxisOrigin#getType <em>Type</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->