[GRASS-user] r.to.vect error message

[Markus Metz]

On Wed, Jul 27, 2011 at 3:34 PM, Rich Shepard <rshepard at appl-ecosys.com> wrote:
> On Wed, 27 Jul 2011, Rebecca Bennett wrote:
>
>> Thanks fro replying. Hmm no I'm using the standard 6.4.1 distro on Ubuntu
>> 10.4 :(
>
> Rebecca,
>
>  The distribution and GRASS version has nothing to do with it.

The GRASS version has indeed something to with it because the reported
error is an out-of-memory error and GRASS 7 needs much less memory to
build topology for 3D points (about 5% of the memory needed in GRASS
6.x).

Markus M

>
>> Can I work round this? I don't really have time to build GRASS 7 on this
>> machine...
>
>  Yep. I've no idea if there's a Ubuntu repository that installs a pre-built
> GRASS. If there is, it's probably built without the large file option. If
> so, see if you can grab the source and look for '--enable-largefile' in the
> configuration options. Otherwise, it will be worth your time to recompile
> the source using that option. It will allow GRASS to use the available
> memory on your machine rather than the default (which I believe is 64M).
>
>  This is one reason why building from source (or using a package manager
> that lets you build on your local machines) is a good idea. Not everyone
> needs the options you do, and your hardware is not the same as everyone
> else's. Building your applications using your server/workstation ensures
> that they work for you.
>
> Hope this helps,
>
> Rich
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