[GRASS-user] zonal statistics/metrics - beyond simple statistics

[Moritz Lennert]

On 12/04/18 16:56, Bernardo Santos wrote:
> For example, I am still not sure how I would use a combination of 
> r.univar/r.stats and some kind of input raster map to produce, say, 
> zonal info of number of habitat patches, structural or functional 
> connectivity, isolation, or other more complex metrics used in landscape 
> ecology.
> That's way I was building something like that, so that we can just write 
> an alternative function using any raster input map that returns the 
> value of one of such metrics, and then use it to calculate them over 
> sets of zones.

Have you looked into the landscape metrics modules, notably the r.li 
suite of modules, but also the r.pi suite in the addons (although ISTR 
that the latter is not really usable in its current state) ?

Moritz