[GRASS-dev] i.segment: invalid region id 0

[Nikos Alexandris]

On Friday 26 of July 2013 15:41:25 Moritz Lennert wrote:
> On 26/07/13 15:17, Nikos Alexandris wrote:
> > On Wednesday 17 of July 2013 12:56:58 Nikos Alexandris wrote:
> >> In any case, if wanted, I will try during the weekend to replicate a Huge
> >> region, as the one Moritz tested with a "rational" threshold (close to
> >> zero).
> > 
> > I couldn't make it -- my machine was under some sort of heavy
> > reconstruction during the last weekend.  Is this still of interest?  Let
> > a machine to chew-up a big region with i.segment?
> 
> Markus and I have been busy testing in the last weeks and thanks to
> Markus' rapid reaction in correcting some bugs, we've been able to
> segment an image with 555,727,911 non-null cells in a region with
> 2,617,375,744 total cells. Markus' machine did this in just 15 hours !
> On mine it took much longer, but this is probably in large parts due to
> a software raid 5 that makes disk io really slow.

WoW! Great news!  Lot of work behind the scenes I guess. Thanks a million... 
Let me know if and what I can test (besides my on-going work in which I do use 
i.segment).

Nikos