[GRASS-user] units used in r.stream.distance

Margherita Di Leo diregola at gmail.com
Tue Dec 16 12:12:27 PST 2014


Hi,

On Tue, Dec 16, 2014 at 9:09 PM, Markus Neteler <neteler at osgeo.org> wrote:
>
>
>
> No it depends on the respective command. Eg:
>
> http://grass.osgeo.org/grass70/manuals/v.distance.html#notes
> "In lat-long locations v.distance gives distances (dist, from_along,
> and to_along) not in degrees but in meters calculated as geodesic
> distances on a sphere. "
>
> Regarding r.stream.distance one would need to check the source code
> (and then document it).
>

Thank you. Jarek (the author of the module) confirmed that the distance is
in meters. I'm expanding the documentation accordingly,

Thanks,
madi

>
>
>

-- 
Best regards,

Dr. Margherita DI LEO
Scientific / technical project officer

European Commission - DG JRC
Institute for Environment and Sustainability (IES)
Via Fermi, 2749
I-21027 Ispra (VA) - Italy - TP 261

Tel. +39 0332 78 3600
margherita.di-leo at jrc.ec.europa.eu

Disclaimer: The views expressed are purely those of the writer and may not
in any circumstance be regarded as stating an official position of the
European Commission.
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