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 ...

One of the greatest mysteries of makeup is how to contour and highlight based on your face shape. If you're anything like me, these two beauty aspects have confused and haunted me since my early teens ...

Last week we had a look at drawing contour lines using the Google Maps Elevation API. Because of restrictions on what you are allowed to do with Google’s elevation data, we chose not to create KML ...