[GRASS-user] Meaning of 'Prevalent Orientation' in r.basin

[Margherita Di Leo]

>
> On Fri, Jun 22, 2012 at 6:37 PM, Rich Shepard <rshepard at appl-ecosys.com>wrote:
>
>>  The r.basin wiki page tells me, "The prevalent orientation: in GRASS the
>> aspect categories represent the number degrees of east and they increase
>> counterclockwise: (90deg is North, 180 is West, 270 is South 360 is East).
>> The aspect value 0 is used to indicate undefined aspect in flat areas with
>> slope=0. We instead calculate the orientation as the number of degree from
>> north, increasing counterclockwise."
>>
>
And, I am sorry, this is the definition of aspect, not of the prevalent
orientation, my mistake in the documentation, I'm fixing it.

-- 
Dr. Margherita Di Leo
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