2014-08-14 13:35 GMT+02:00 John Packer <john.pack...@gmail.com>: > One question. > How would people map a cave? > As far as I know, GPSes don't really work underground, and obviously there > is no sattelite imagery for them. > I imagine that's why there is no scheme right now. >
2D Public Domain map, imported as layer to JOSM using PicLayer, oriented using multiple cave entrances. Cave entrances were located with GPS and/or visible on aerial images.
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