Bug 207268 Add visibility option for plot within axes
For chart with axes, we should make plot within axes invisible. Meantime, other plots, such as axes, legend and title, should be visible. This enhancement doesn't include UI change, and it is required for cross tab integration.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/model/layout/LayoutPackage.java
*/
	int LEGEND__SHOW_TOTAL = BLOCK_FEATURE_COUNT + 13;
	/**
	 * The feature id for the '<em><b>Wrapping Size</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int LEGEND__WRAPPING_SIZE = BLOCK_FEATURE_COUNT + 14;
	/**
	 * The number of structural features of the '<em>Legend</em>' class.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int LEGEND_FEATURE_COUNT = BLOCK_FEATURE_COUNT + 15;
	/**
	 * The meta object id for the '{@link org.eclipse.birt.chart.model.layout.impl.PlotImpl <em>Plot</em>}' class.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see org.eclipse.birt.chart.model.layout.impl.PlotImpl
	 * @see org.eclipse.birt.chart.model.layout.impl.LayoutPackageImpl#getPlot()
	 * @generated
	 */
	int PLOT = 4;
	/**
	 * The feature id for the '<em><b>Children</b></em>' containment reference list.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 * @ordered