[GRASS-dev] Topographic prominence in GRASS

Benjamin Ducke benducke at fastmail.fm
Tue Oct 21 01:40:39 PDT 2014

Well, there is already r.prominence:


See also this older mailing list post:


The source code in the Add-ons repository seems outdated.
I have attached a more recent version in which I have outsourced
the normalization functions to a separate module (r.normalize),
also attached.

I doubt that r.prominence captures the entire concept of
"prominence" as used in mountaineering, but maybe it's a
starting point.



On 21/10/14 10:28, Martin Landa wrote:
> Hi all,
> when searching for a suitable topic (smaller project) for one student
> of mine I found [1,2].
> """
> Create a new GRASS module to find the topographic_prominence of peaks
> from a raster elevation map within the region. (probably this would
> only make up 1/4 to 1/2 of a multi-part GSoC project)
> """
> I don't know this topic enough, is there anyone who has any opinion,
> suggestion or comment?
> Thanks in advance, Martin
> [1] http://grasswiki.osgeo.org/wiki/GRASS_SoC_Ideas_2012
> [2] http://en.wikipedia.org/wiki/Topographic_prominence

Dr. Benjamin Ducke
{*} Geospatial Consultant
{*} GIS Developer

Spatial technology for the masses, not the classes:
experience free and open source GIS at http://gvsigce.org
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