[GRASS-dev] Exporting maps as multilayer GeoTIFF - layer limit?

[Markus Metz]

Markus Neteler wrote:
> Hi,
>
> I struggle to export a time series as multilayer GeoTIFF: it stops at layer 145.
> I have generated a time series with 365 maps and added all into a
> group. Exporting that in order to export as multilayer GeoTIFF, it
> fails:
>
> GRASS 7.0.svn (nc_spm_08):~ > r.out.gdal ...
> ...
>  100%
>  100%
>  100%
> Exporting raster data to GTiff format...
> ERROR 6: SetColorTable() not supported for multi-sample TIFF files.
>  100%
> ...
> ERROR: Unable to open input file
>        </home/neteler/grassdata/nc_spm_08/user1/cell_misc/testmap.145/f_format>

You were bitten by the ulimit of your system (ulimit -n). Actually it
was a bug in r.out.gdal which did not close raster maps after export.
Fixed in r58304.

Markus M

>
> Where is the trick? I have added a small script to generate a
> synthetic time series for debugging.
>
> If it matters:
> GRASS 7.0.svn (nc_spm_08):~ > ulimit
> unlimited
>
> It happens in a different location as well with my original dataset.
>
> Hints welcome,
> Markus
>
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