[gdal-dev] Tiling with overlap

[Luca Delucchi]

On 8 August 2016 at 21:01, Blumentrath, Stefan
<Stefan.Blumentrath at nina.no> wrote:
> Hei Madi,
>


Hi,

>
> Given that you are quite familiar with GRASS GIS here a GRASS / GDAL
> solution:
>
>
>
> 1.      Patch all tiles into one VRT with gdalbuildvrt
>
> 2.      Link the VRT and the individual tiles to GRASS (r.external)
>
> 3.      Loop over the tiles and adjust you region accordingly and apply what
> GRASS module you like.
>
>
>
> So something like this:
>
>
>
> gdalbuildvrt ...
>
>
>
> r.external input=vrt ...
>
> r.external input=tile ...
>
>
>
> for tile in $(g.list type=raster ...)
>
> do
>
> g.region -p raster=$tile n=n+x s=s-x w=w-x e=e+x (where x is your desired
> overlap in map units)
>
> r.*
>
> done
>

I didn't answer before because I was thinking to go OT but in GRASS
you can use t.tile with overlaps

https://grass.osgeo.org/grass70/manuals/r.tile.html

>
> Cheers
>
> Stefan
>




-- 
ciao
Luca

www.lucadelu.org