[GRASS-dev] [SoC] Parallelization of Raster and Vector modules

[Jordan Neumeyer]

Thanks guys for putting that into perspective.

On Mon, Apr 5, 2010 at 6:38 PM, <Doug_Newcomb at fws.gov> wrote:

>  Jordan,
> I've dealt with ERDAS Imagine files larger than 10 GB on a regular basis.
>  I have occasionally tried to reproject and merge all of the 1 m NAIP
> imagery tiles  for North Carolina into 1 BigTIFF > 500GB with gdal.  Any
> parallelizaion work for open source geospatial tools would be welcome :-).
>
So you "tried" to do that? Does that mean you failed or is the system still
processing it? :-P I kid, but that is a very large file... it's bigger than
my current desktop's hard drive.

>
> Doug
>
> Doug Newcomb
> USFWS
> Raleigh, NC
> 919-856-4520 ext. 14 doug_newcomb at fws.gov
>
> ---------------------------------------------------------------------------------------------------------
> The opinions I express are my own and are not representative of the
> official policy of the U.S.Fish and Wildlife Service or Dept. of the
> Interior.   Life is too short for undocumented, proprietary data formats.
>
> -----grass-dev-bounces at lists.osgeo.org wrote: -----
>
> To: Jordan Neumeyer <jordan.neumeyer at mines.sdsmt.edu>
> From: Markus Neteler <neteler at osgeo.org>
> Sent by: grass-dev-bounces at lists.osgeo.org
> Date: 04/05/2010 04:06AM
> cc: GRASS developers list <grass-dev at lists.osgeo.org>
> Subject: Re: [GRASS-dev] [SoC] Parallelization of Raster and Vector modules
>
> On Sun, Apr 4, 2010 at 3:22 AM, Jordan Neumeyer
> <jordan.neumeyer at mines.sdsmt.edu> wrote:
> > I didn't realize how big the data set could be. What's
> > biggest map you've seen?
>
> Our provincial DEM is a 3.5GB Geotiff which is of 48800x58000 size.
> Another file which I recently had to import was a 4GB Geotiff with
> 21550 bands. Finally, in remote sensing, you can quickly generate
> quickly files in the multi-GB range.
>
> Markus
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>

~Jordan
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