A Handy Tool for Making Scale Comparisons

One of the most valuable graphics in the planner's toolbox is the scale comparison. However, producing such graphics can be a tedious process. A web-based tool utilizing Google Maps seeks to make cartographic “mixtures” much easier to produce.
May 10, 2013, 12pm PDT | Jonathan Nettler | @nettsj
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Henry Grabar looks at MapFrappe, "Kevin Thompson's cartographic mixing engine." The site lets users outline any location on a Google Map and view that outline overlaid on a comparison map that retains the scale of the original shape.

"Once you get tired of outlining your own interests -- your walk to work in London, or Buckingham Palace on your block -- you can check out Drew's MapFrappe blog, which has hundreds of preset outlines to choose from." The site even lets you generate a permanent URL of the comparison to direct others to, or bookmark for later use. 

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Published on Friday, May 10, 2013 in The Atlantic Cities
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