high-low-value-style

Arguments: chart-view

Returns the value of the high-low-value-style property of a chart-view. The value may be set at creation time by passing the high-low-value-style initarg, or any time later by calling (setf high-low-value-style).

A value indicating the particular style in which any :high-value and :low-value values in a chart-widget are currently drawn. Here are the possible values:

• :tee - Each value is drawn as a thin line from the main value to the high or low value, with a short perpendicular line drawn at the high or low value to form a tee. This style is commonly used to show an error range around a main value. This is the default value.
• :bar - Each value is drawn as a filled rectangular bar from the main value to the high or low value. This may be useful when a more prominent annotation is desired than the more common :tee style.
• :diamond - Each value is drawn as a triangle with a base at the main data value and proceeding to a single point at the high or low value. When there is both a high and a low value, the overall shape is that of a diamond. This style tends to look heavy-handed on a line graph, but may be more useful on a bar chart.

See also draw-high-low-values, high-low-fill-colors, and high-low-tee-colors.

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

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Created 2010.1.21.