Polar chart

One series across cyclic categories: angle is the category, radius the value.

1 polar chart examples

Daily demand profile

Request volume by three-hour window, as a percentage of the daily peak.

Angle is the time of day and radius is the magnitude, so the shape of a day reads at a glance. Rays are lollipops, never filled wedges, because area would exaggerate the peak the accent already points at.

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