[gdal-dev] erosion/dilation in gdal ?

Frank Warmerdam warmerdam at pobox.com
Tue Feb 3 10:33:54 EST 2009

Johan Nouvel wrote:
> Hello all,
> Is there a way to do erosion/dilatation on image in gdal ?
> I've looked in alg.h, but I've seen no straight way to do such thing.


I am not aware of anything intended specifically for this.  There is the
raster fill algorithm which can "grow" an image by a specific amount.

Best regards,
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    | Geospatial Programmer for Rent

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