Recently, I started adding a large number of roof:colour tags to buildings that had previously lacked this information. I started in Colorado Springs for no particular reason, but I plan to expand this activity further. For reasons I will explain later, starting and then continuing with American suburbia is easier than mapping other regions, but in theory, my approach would work world wide. For this mapping activity, I developed my own processes along with some little software helpers, that people on the OSM World Discord were interested in when I mentioned them. So without further ado, here is everything you need to know about my roof colour related activities.

Motivation

So why am I doing this to myself? The most honest answer would probably be “more data, more better”, which is mostly why I do any of the things I do on OSM, but there are two more concrete possible applications for the data I add: Art and science.

… See full entry