This was my initial reaction as well, but the article mentions that
> Each color cycle represents 4.8 inches (12 centimeters) of ground displacement either toward or away from the satellite.
...so what we're actually interested in is counting the number of cycles through the color map between two points, for which jet actually seems like a perfectly good choice.
> Each color cycle represents 4.8 inches (12 centimeters) of ground displacement either toward or away from the satellite.
...so what we're actually interested in is counting the number of cycles through the color map between two points, for which jet actually seems like a perfectly good choice.
jofer explains in their comment why the data is shown this way: https://news.ycombinator.com/item?id=20398703