Is a Map Always the Right Answer?

Anthony Marshall
Anthony Marshall
26 Oct 2011
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Here at Earthware, we have recently been working on a number of projects showing quite complex and multi-faceted data sets using consumer APIs such as Google Maps and Bing Maps.  This has led us to explore lots of different ways of displaying more than one thing at a time on a map:  We have looked at pie charts, shading, doughnuts (or donuts to our trans-Atlantic cousins).  But, I keep returning to the view that;

  1. Maps are never going to replace Excel – when you get more than two numerical parameters that you want to look at at the same time then it is almost certainly better to use a table or at least a different type of graphic.

2. A picture tells a thousand words – but if you try and show too much it becomes a bit more like a “Where’s Stig?” picture (great present book by the way) than a Rembrant.

3. Just because you’ve got the data in a database, it doesn’t mean you automatically put it on the map – so often we see websites and maps that are designed around the needs of the owner “I want to get as much of my stuff out there as I can!” and not the needs of the user “I want to see only the thing or things that most interest me in the quickest and easiest way that I will understand”.

Anyway, I recently read an article by Matthew Erikson who I think really made my points for me in a very detailed way and so I thought I would point you in the direction of his article.


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