[GRASS-user] Importing an small piece of the image using r.in.gdal

[katrin eggert]

hello daniel and Micha
Yes, you are right. It makes much more sense. Thanks


2010/6/22 Daniel Victoria <daniel.victoria at gmail.com>

> Katrin,
>
> I don't know if gdalwarp will clip your image, check the man page at
> http://www.gdal.org/gdalwarp.html
>
> I'd recomend you clip the image before reprojecting so you will be
> running gdalwarp in a smaller file
>
> Cheers
> Daniel
>
> On Tue, Jun 22, 2010 at 5:26 AM, katrin eggert
> <katrineggert1980 at gmail.com> wrote:
> > Greetings
> > THanks Daniel. Since I'm already using gdalwarp, can it be also used to
> only
> > reproject a small piece of the image?
> > Thanks
> > Best regards,
> > Katrin
> > 2010/6/22 Daniel Victoria <daniel.victoria at gmail.com>
> >>
> >> Check out the gdal_translate utility
> >> http://www.gdal.org/gdal_translate.html
> >>
> >> Actualli, it's not a grass tool but grass relies heavily on gdal tools
> >> for raster import so chances are you have that program installed. Just
> >> open a terminal and type gdal_translate. Use the options -projwin to
> >> clip your image to the desired coordinates
> >>
> >> Cheers
> >> Daniel
> >>
> >> On Mon, Jun 21, 2010 at 1:15 PM, katrin eggert
> >> <katrineggert1980 at gmail.com> wrote:
> >> > Greetings
> >> > I'm working with LandCover global datasets and I need to import only
> an
> >> > area
> >> > of the dataset since my Region definition will only displays a small
> >> > area
> >> > (e.g. I'm working with European GLobcover and I only want Belgium and
> my
> >> > Location/Mapset destination region  only displays Belgium). How can I
> >> > only
> >> > import a small region in order to avoid no-needed processing and data
> >> > (because If I import and process European dataset it will take much
> more
> >> > time than just belgium).
> >> > Thanks
> >> > Best regards,
> >> > Katrin
> >> > _______________________________________________
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> >> >
> >> >
> >
> >
>
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