[GRASS-dev] Raster data compression confusion: identical CELL file size

[Moritz Lennert]

On 06/09/16 16:39, Yann Chemin wrote:
>
>
> On 6 September 2016 at 15:23, Markus Metz <markus.metz.giswork at gmail.com
> <mailto:markus.metz.giswork at gmail.com>> wrote:

>     Compressing a whole file instead of compressing each row separately
>     (GRASS reads and writes raster data row by row) can lead to higher
>     compression ratios.
>
>
> This brings to a long time amount of discussions about parallelization
> speed-ups of raster functions being limited by the row-based I/O of
> GRASS. Maybe we should look into this for GRASS8...



https://trac.osgeo.org/grass/wiki/Grass8Planning:

Raster library: Storage in tiles instead of by row

:-)

Moritz