dimanche 22 juillet 2012

Continuously variable proportional circle map





A continuously variable proportional circle map is a proportional circle map in which the size of the circles are relative to the data collected for a given area. This is one of the first continuously variable proportional circle map, it is from the 1850's and was created by Charles Joseph Minard in order to show the different types of meat sent to Paris butcheries from different french regions.

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