value-axis-2

Arguments: chart-widget

Returns the value of the value-axis-2 property of a chart-widget. The value may be set at creation time by passing the :value-axis-2 initarg, or any time later by calling (setf value-axis-2).

value-axis-2 is a secondary axis of a chart-widget that indicates the magnitude of the displayed values. The value is an instance of the value-axis class, and holds properties that determine how the axis is drawn and the range of values that it displays. This axis will be drawn only when one or more of the chart objects are explicitly associated with this second axis in the chart-objects property.

The value of this property is always a value-axis instance. If you do not pass a value-axis instance as the value of the :value-axis-2 initarg when creating a chart-widget, then a default instance is created automatically.

If there are multiple chart objects (see chart-objects), then some of the objects may use this value axis while others use the primary value axis that is in the value-axis property.

See chart-widget and also cg-chart-widget.htm.

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Created 2012.5.30.