[GRASS-user] Least cost search algorithm

[Markus Neteler]

Hi,

On Thu, Jan 4, 2018 at 8:59 PM, Shane Carey <careyshan at gmail.com> wrote:
> Hi,
>
> Just wondering when was the least cost search algorithmic (r.watershed)
> implemented into GRASS Gis?

The initial version was published in 1989, then reworked several times
(also in recent years). For references, see

https://grass.osgeo.org/grass74/manuals/r.watershed.html#references

Best,
Markus

-- 
Markus Neteler, PhD
http://www.mundialis.de - free data with free software
http://grass.osgeo.org
http://courses.neteler.org/blog