Is there a name for this data visualization?

It's almost like half a pie chart. In this case, it was animated like a speedometer you would see on a car dashboard; the divider (the needle) pointed left fully horizontal at first.

  • $\begingroup$ I'd love to hear what Tufte would say about this! Data:ink ratio is rather poor. $\endgroup$
    – pmgjones
    Aug 20, 2011 at 21:06
  • 1
    $\begingroup$ I can't get enough of pop-charts .. more pls. $\endgroup$
    – suncoolsu
    Aug 21, 2011 at 6:15

1 Answer 1


Here they call it a gauge charge.

Here they call it an angular gauge, speedometer or dial chart.


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