Re: r.watershed

Hi Shane,

I don't know the internals of r.watershed but your best option is to take a
look at the man page [1] and the references listed at the bottom. It
contains all the references for the algorithms used.

Cheers
Daniel
[1] - https://grass.osgeo.org/grass72/manuals/r.watershed

On Wed, Jan 17, 2018 at 3:30 PM Shane Carey <[email protected]> wrote:

> Hi,
>
> I was wondering if someone could tell me how r.watershed works in terms of
> creating stream network. I was of the opinion it just mapped a river from A
> to B based on the least cost search algorithm where elevation is the "cost"!
>
> However, it also calculates flow directions and flow accumulations - Are
> these just an added bonus?
>
> Thanks
>
> --
> Le gach dea ghui,
> *Shane Carey*
>
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