[gdal-dev] Downsample with averaging?

[Jean-Claude Repetto]

Le 22/02/2011 16:39, Jay Jennings a écrit :
>  >> there is a gdal method to extract a single overview level from a tif
> but I can never
>
>  >> remember it maybe someone will chime in...
>
> If so, that would be really helpful. Does anyone know how to extract a
> single overview from a pyramid’d image such as made from a command like:
>
> gdaladdo XXXX.tif 2 4 8 16 32 64 128 256
>

gdal_translate with the -outsize parameter should do the job.

Jean-Claude