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

[Colin Nielsen]

Hi Dylan,
Excellently documented example by the way.

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).

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

>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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