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 ...
Take the twisting lines of contour and iconography of a United States Geological Survey (USGS) topographical map, blend in a high-resolution aerial photograph, and you’ll get a TopoPhoto, a new type ...
A contour heat map of Greenland, indicating elevations in the region. The star indicates the southeastern dome of the Greenland Ice Sheet, where the ice core in this study was collected (Yutaka ...
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