[GRASSLIST:369] Re: Import jpg with r.in.gdal size problem
Laurent Courty
lrntct at gmail.com
Fri Mar 24 14:10:48 EST 2006
Silvia Franceschi wrote:
> Hi everyone,
> I have imported some jpg files (230 orthophoto of my region) in GRASS using
> the command r.in.gdal. The original size of the data is about 3-5 MB with a
> text file of about 150 B. When I import the data in GRASS I obtain files of
> 75-100 MB and that means too much space to disk.
> Do someone know if there is a way to compress them? Now I have a location of
> 15 GB and I can't manage it.
>
> Please help me...
>
> Thanks,
> Silvia
>
Hi,
jpeg compress a lot but cause loss of quality. AFAIK, GRASS
automatically apply a lossless compression on raster.
The size is bigger than jpeg.
Laurent
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