[Tagging] Elevation and height on vertical features

Mike Thompson miketho16 at gmail.com
Thu Jan 7 22:57:40 UTC 2016

On Thu, Jan 7, 2016 at 3:40 PM, Colin Smale <colin.smale at xs4all.nl> wrote:

> Cliffs are never truly vertical. A bird's eye view from above will show
> that. If they are steep enough they could be modelled as a line, but in
> general we should allow for a polygon, with a high side and a low side.
Actually, sometimes they are "less than vertical", in other words,
overhanging, e.g. [1]

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