[Tagging] Topographic Prominence for Peaks

Graeme Fitzpatrick graemefitz1 at gmail.com
Fri Sep 28 06:04:58 UTC 2018

On Fri, 28 Sep 2018 at 15:02, Joseph Eisenberg <joseph.eisenberg at gmail.com>

> and added a description of how the key saddle of a peak can be found by
> looking at a topo map
> with contours.
> I also added additional warnings against copying this data from
> wikipedia and other sources which are incompatible with the OSM
> license. I suspect that many of wikipedia and wikidata prominence
> values were inappropriately copied from websites like peakbagger.com,
> hence the need for a clean data source in Openstreetmap.

Not wanting to be a pain here Joseph :-), but do we have (or need?) the OK
to use said topo maps?

I know the ex-Army topo maps that I use (for navigation, not mapping!) are
all copyright Australian Dept of Natural Resources (circa 1967!)


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