[GRASS-dev] Re: r.walk and r.drain improvements

[Dylan Beaudette]

On Tue, Jun 24, 2008 at 4:22 AM, Colin Nielsen <colin.nielsen at gmail.com> wrote:
> Hi Dylan,
> Excellently documented example by the way.

Thanks!

> The path is probably quite similar but the point is that there is
> currently no way to ensure that the r.drain path conforms to the same
> path as the optimal path of cost accumulation (calculated by r.walk or
> r.cost).

I see. I didn't quite understand your original post apparently. I
would be happy to help try out any modifications to r.walk/r.drain.

> Specifically I can't comment on your example yet because I haven't
> completed my changes to r.drain. When I do (assuming I remember) I
> will be glad to re-run your analysis to see what difference is
> present.
>
> -Colin

Sounds good.
Cheers,

Dylan

>>Interesting post Colin. Can you comment on the differences between
>>r.drain and r.walk in this example [1], in light of your findings?
>>
>>1. http://casoilresource.lawr.ucdavis.edu/drupal/node/544
>>
>>
>>Cheers,
>>
>>Dylan
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