[GRASSLIST:2617] Re: finding nearest downstream node

Christopher Fonnesbeck chris at fonnesbeck.org
Sat Feb 14 16:48:13 EST 2004


On Feb 13, 2004, at 8:05 PM, Hamish wrote:

>> Is there currently a function in the vector library for locating the
>> nearest downstream (as in elevation) node on a stream network. I 
>> wanted
>> to make sure before attempting to code one myself.
>
>
> You might look at d.rast.arrow as a starting point.
>

Looks interesting. However, I'm looking for something that works on the 
nodes of a vector stream layer, rather than using raster flow 
directions.

C.
--
Christopher J. Fonnesbeck ( c h r i s @ f o n n e s b e c k . o r g )
Georgia Cooperative Fish & Wildlife Research Unit, University of Georgia




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