A continuously variable proportional circle map is a proportional circle map which utilizes circles to create point data. This relates the scales to the specific data. The circles are in proportion to the variable being measured. The circle map to the right shows the major industries in West Germany. The more industry, the bigger the circle. Each circle is also divided up by industry so that you can get a bigger picture on the industries that are big (and small) in West Germany.http://www.lib.utexas.edu/maps/europe/west_germany_ind_1972.jpg
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