[GRASSLIST:7823] Re: r.cost execution time

[Glynn Clements]

[CC'd to development list.]

Ellen De Beuckeleer wrote:

> My cost layer contained some negative values. That's why the r.cost got 
> into an infinite loop.  I hope that by writing this here another newbe 
> might not loose so much time...

Yeah, I can see how that could cause problems. I'm fairly sure that
r.cost assumes non-negative costs, although it should probably
actually check this.

-- 
Glynn Clements <glynn at gclements.plus.com>