A cartogram is a distorted map where the area or other visual encodings are used to represent quantity associated with each region.
Table of Contents
History #
- Wallace, J. W. Population map for health officers. Am. J. Pub. Health 16:1023, 1926
There was another design of cartogram in 1934 by Erwin Raisz (Geographical Review, Vol. 24, No. 2 (Apr., 1934), pp. 292-296) and this also looks like an almost proper treemap.
Examples #
- http://www.worldmapper.org/
- Types of cartogram
- election map 2008
- http://show.mappingworlds.com/world/
- http://www.datavis.ca/gallery/bright-ideas.php
- http://mbostock.github.com/protovis/ex/cartogram.html
- http://mbostock.github.com/d3/ex/cartogram.html
Software #
- http://www2.imperial.ac.uk/~mgastner/cartogram/cartogram.html
- http://www-personal.umich.edu/~mejn/cart/ - source code
- http://scapetoad.choros.ch/index.php
Articles #
- Why we didn’t use a cartogram in the Brexit map - a good summary of argument against the cartogram.
Incoming Links #
Related Articles (Article 0) #
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