Saturday, March 22, 2014

Proportional circle map

http://geographyfieldwork.com/DataPresentationMappingTechniques.htm

A proportional circle map shows values using a circle as a symbol. The area of the circle is in proportion to the size of the value being shown. This is an example of a proportional circle map. It was taken of Czech Republic and displays the common languages with different sized circles and colors. Each slice represents the proportion of those that speak that language. 

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