[GRASS-dev] terracost and large files more generally

Francesco Paolo Lovergine frankie at debian.org
Fri Apr 13 15:10:17 EDT 2007

On Sat, Apr 07, 2007 at 03:23:11PM +0200, Markus Neteler wrote:
> On Sat, Apr 07, 2007 at 08:13:39AM -0500, Gerald Nelson wrote:
> > While you (plural) are cranking on the next release, it's probably not the best time to ask but... 
> > 
> > - would it be possible to add the terracost functionality to r.cost (http://www.bowdoin.edu/~ltoma/research.html). My impression is that for a C programmer it would be fairly easy. 
> > 
> > - file size limitations issues. I'm bumping up against a 2 gb limit in r.out.arc. We're using grass6.3, compiled with large file support and we can't export files that would be larger than 2 gb. My postdoc (who knows java but not C) and I looked at the source code for r.out.arc and couldn't see any obvious reason why there would be a size limit.
> >
> It would be good to use this as motivation to better document
> the needed steps as already drafted here:
> http://grass.gdf-hannover.de/wiki/Large_File_Support

I would also add to that page that some exporting/inporting formats have their 
own intrinsic limitations, see for instance:


Francesco P. Lovergine

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