[GRASS-windows] Large file support?
greenberg at ucdavis.edu
Mon Jul 28 21:58:55 EDT 2008
Nope! It was ENVI format, and imported flawlessly on a *nix compile.
Roland Duhaime wrote:
> Hi Jonathan,
> Is it possible that the file is a tif file? I understand that tif and
> geotiff files have a 2 gb limit. As a result, it may be a limitation of
> the file type, and not the software. Just a thought.
> ----- Original Message ----
> From: Jonathan Greenberg <greenberg at ucdavis.edu>
> Cc: grass-windows at lists.osgeo.org
> Sent: Monday, July 28, 2008 4:24:32 PM
> Subject: Re: [GRASS-windows] Large file support?
> Marco (and GRASS'ers):
> Has anyone *successfully* imported a file > 4gb via r.in
> <http://r.in.gd/>.gdal into
> GRASS for Windows (including looking at the file and do a v.what in the
> lower portions of that image)? Enabling the lfs flag I don't think is
> the issue -- I think *grass* can deal with big files, but the GDAL
> compile it is relying on probably isn't configured correctly. I have
> confirmed this on two different computers, importing two different files
> (both are > 7gb) -- the import absolutely finished -- it failed on both
> computers in the same place. I gave it PLENTY of time (> 12 hours, it
> imported in about 2 hours on a comparable unix box) and the r.in.gdal
> "run" button returned to black (usually a good back-up indication that a
> process is finished, if the progress bar isn't working).
> Marco Pasetti wrote:
> > Hi Johnathan,
> >> I seem to be running up against a file size limitation in the latest
> >> version of grass for windows
> > I made nothing different about that in the latest binary release fo
> > Windows; I suppose it's a generic problem, not strictly related to the
> > latest release
> >> I'm trying to import a 7gb file and it seems to have imported only
> >> about the first 2gb or so of the file, and the rest is just
> >> empty/errored (when I do a v.what it gets a "can't read" in the lower
> >> 2/3 or so of the image, but returns correct values in the upper 1/3 or
> >> so of the image). I used r.in.gdal to import the file (it was an ENVI
> >> image file). Ideas?
> > Actually no, afraid.
> > If you read here
> > you can actually see that LFS is enabled.
> > Are you sure that the command worked fine or finished to process data?
> > sometimes the progress bar fails
> > Please, try again launching the command within the text command line
> > (msys or dos, as you prefer)
> > Please report me the results.
> > Regards,
> > Marco
> Jonathan A. Greenberg, PhD
> Postdoctoral Scholar
> Center for Spatial Technologies and Remote Sensing (CSTARS)
> University of California, Davis
> One Shields Avenue
> The Barn, Room 250N
> Davis, CA 95616
> Cell: 415-794-5043
> AIM: jgrn307, MSN: jgrn307 at hotmail.com <mailto:jgrn307 at hotmail.com>,
> Gchat: jgrn307
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Jonathan A. Greenberg, PhD
Center for Spatial Technologies and Remote Sensing (CSTARS)
University of California, Davis
One Shields Avenue
The Barn, Room 250N
Davis, CA 95616
AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307
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