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
EClass getClientArea( );
	/**
	 * Returns the meta object for the containment reference '{@link org.eclipse.birt.chart.model.layout.ClientArea#getBackground <em>Background</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for the containment reference '<em>Background</em>'.
	 * @see org.eclipse.birt.chart.model.layout.ClientArea#getBackground()
	 * @see #getClientArea()
	 * @generated
	 */
	EReference getClientArea_Background( );
	/**
	 * Returns the meta object for the containment reference '{@link org.eclipse.birt.chart.model.layout.ClientArea#getOutline <em>Outline</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for the containment reference '<em>Outline</em>'.
	 * @see org.eclipse.birt.chart.model.layout.ClientArea#getOutline()
	 * @see #getClientArea()
	 * @generated
	 */
	EReference getClientArea_Outline( );
	/**
	 * Returns the meta object for the containment reference '{@link org.eclipse.birt.chart.model.layout.ClientArea#getShadowColor <em>Shadow Color</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for the containment reference '<em>Shadow Color</em>'.
	 * @see org.eclipse.birt.chart.model.layout.ClientArea#getShadowColor()
	 * @see #getClientArea()
	 * @generated
	 */
	EReference getClientArea_ShadowColor( );
	/**
	 * Returns the meta object for the containment reference '{@link org.eclipse.birt.chart.model.layout.ClientArea#getInsets <em>Insets</em>}'.