[Tagging] Mapping cave tunnels passable by human

[Mateusz Konieczny]

2014-08-14 13:35 GMT+02:00 John Packer <john.packer7 at 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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