[GRASS-user] How to split raster map by specified rows

[Paulo van Breugel]

The function r.tileset (
http://grass.osgeo.org/grass64/manuals/html64_user/r.tileset.html) allows
you to split your raster layer in user-defined tiles (which could be a tile
of one row). The description states that it "produces tilings of the source
projection for use in the destination region and projection". If you use
the same projection for source and destination it will just split your
layer in tiles.


On Fri, Nov 9, 2012 at 11:13 AM, Andranik Hayrapetyan <
andranik.h89 at gmail.com> wrote:

> Hi.
>
> I am trying to split raster map into chunks to do calculations (with
> r.mapcalc) on each chunk separately.
> I browsed the net and found only the script called r.split.line, which
> needs vector file to split raster, but this is not that I want.
>
> Is there a way to split raster by rows? For example if I have a GeoTiff
> file with 8000 rows I want to split it into 8 files 1000 row per each.
>
> Or may by r.mapcalc can do the calculation I want only on specified number
> of rows?
>
> Can anyone help me please?
>
> Thanks in advance!
>
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