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Allegro CL version 8.2
Unrevised from 8.1 to 8.2.
8.1 version

x-axis

Arguments: plot-widget

Returns the value of the x-axis property of a plot-widget. The value may be set at creation time by passing the x-axis initarg to make-instance when creating a plot-widget, or any time later by calling (setf x-axis).

The x-axis of a plot-widget is the primary horizontal axis of the widget, and always lies along the bottom side of the plot. If a secondary horizontal axis is desired along the top side of a plot, then use the x-axis-2 property for that.

The value of the x-axis property should be an instance of the plot-value-axis class, and holds properties that determine how the axis is drawn and the range of values that it displays. The properties are inherited from the value-axis and chart-axis classes.

The value of this property will always be a plot-value-axis instance. If you do not pass a plot-value-axis instance as the value of the x-axis initarg when creating a plot-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 axis for their x coordinates while others use the x-axis-2 axis.

See also x-axis-2, y-axis, y-axis-2, and plot-widget.


Copyright (c) 1998-2012, Franz Inc. Oakland, CA., USA. All rights reserved.
Documentation for Allegro CL version 8.2. This page was not revised from the 8.1 page.
Created 2010.1.21.

ToCDocOverviewCGDocRelNotesFAQIndexPermutedIndex
Allegro CL version 8.2
Unrevised from 8.1 to 8.2.
8.1 version