[GRASS-dev] tickets to solve for GRASS 6.4.2 release

Markus Metz markus.metz.giswork at googlemail.com
Fri Sep 2 05:04:39 EDT 2011


On Fri, Sep 2, 2011 at 9:20 AM, Moritz Lennert
<mlennert at club.worldonline.be> wrote:
> On 01/09/11 19:55, Markus Neteler wrote:
>>
>> On Thu, Sep 1, 2011 at 5:29 PM, Markus Metz
>>>
>>> v.rast.stats does not scale at all, for e.g. 10000 areas it is
>>> completely useless whereas v.rast.stats2 is 10000x faster, e.g. 20 sec
>>> vs 55 hours. That's the reason for the existence of v.rast.stats2
>>> making use of zonal statistics in r.univar, it's meant to be a
>>> replacement, not something new. More details in the ML archives.
>>
>> +1 for update.
>
> For whatever its worth: +1 from me, too.
>
> I hardly dare propose using v.rast.stats to students in its current state,
> unless they are working on really small numbers of areas, and I consider
> this functionality to be such a basic function of a GIS that I really would
> like to see it work.
>
Done in r48057-8, 6.4 and 6.5, respectively. 7.0 already uses a fast
python version for some time.

Markus M


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