We recently did several posts about drawing contours using altitude data from different Altitude API services. The first version used the Google Maps Elevation API and the second used Mapzen’s ...
Thank you to GEB reader ‘DJ’ for suggesting this idea in the comments of our post on simulating lakes. It turns out that the algorithm for drawing contours given a regular array of altitude data is ...
Ever since Google Earth 5.0, you've been able to connect your GPS to Google Earth and import tracks for anything from hiking to skiing to sailing, and then follow your desired path. The recently ...
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