[GRASS-user] Limits on computation

[Monica Buescu]

Hi Glynn
Thanks
Just one question aboht that limit of number of cells: is that limit
applicable to CELL or DCELL?
Thanks
Monica

On Mon, May 30, 2011 at 2:17 PM, Glynn Clements <glynn at gclements.plus.com>wrote:

>
> Monica Buescu wrote:
>
> > Is there any defined limits on computation? I mean, for instance I'm
> > creating a mosaic. Is there any limits on size of images or size of data
> > that is known in GRASS?
>
> You may encounter problems with maps with over 2^31 (2147483648) cells
> or files over 2GiB.
>
> The 2GiB file limit shouldn't be an issue for GRASS 7 on Unix with
> large file support (LFS) enabled, but LFS doesn't work on Windows and
> is incomplete in 6.x.
>
> Some modules have problems with large amounts of data, either
> requiring too much memory or taking forever to run. In these cases,
> there isn't any clear limit; it depends upon how much RAM is
> available, whether the system is 32-bit or 64-bit, and how long is
> "too long".
>
> --
> Glynn Clements <glynn at gclements.plus.com>
>
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