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 ...

If you're going on a hike or just curious about a specific place's altitudes, Google Maps makes it easy to find the elevation for many locations. Google Maps doesn't show the elevation for all ...

The popular mapping service will tell you elevation changes on your walking route. If that sounds familiar it’s because Google introduced a similar feature for cyclists back in 2014. That version ...

When you think of Google Maps, you often only associate it with how to get around new cities. However, it's filled with secret features that you probably did not know about. In fact, did you know that ...

Google has quietly added elevation data to bike routes in its Maps service, providing better intel for intrepid cyclists. The feature, which launched Friday, seems to work for much of the U.S. and ...

When creating the Santa Tracker we made use of some code we had previously written for creating arcs in Google Earth. As we noted in that post, however, the arcs use relative altitudes, but for ...

Google today relaunched their Keyhole satellite Image mapping system as Google Earth. Google Earth combines 3D buildings and terrain with mapping capability and Google search and is based on Keyhole ...

Forest height in Indonesia and surrounding countries. NASA researchers have released a Google Earth version of a map showing the height of the world’s forests. The map was first published in 2010 by ...

Google's one billion Maps users should start to see sharper and more detailed images of Earth after the search company sifted through nearly a petabyte of NASA's latest satellite imagery to find the ...