[Gdal-dev] mean value of rasters

Frank Warmerdam warmerdam at pobox.com
Thu May 4 15:59:53 EDT 2006


Christopher Condit wrote:
> I've got N raster files (GeoTiffs) of equal size and dimensions.  I'd
> like to create a single raster with the mean value of these N rasters
> (cell by cell).  Is there a good way to do this with GDAL, or with
> another tool?  

Chris,

There is not direct way of doing this with the commandline utilities.
It would be relatively easy to implement using Python bindings for
GDAL and Numerical Python.  I imagine this could also be done in something
like R or GRASS relatively directly.

Best regards,
-- 
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
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and watch the world go round - Rush    | President OSGF, http://osgeo.org




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