[GRASS-user] creating custom filter with r.mfilter

[maning sambale]

Any working code I can start with to create custom filters?  I
basically want to run the speckle filters in GRASS.  Sample filters
are explained here:
http://resources.arcgis.com/en/help/main/10.1/index.html#//009t000001z7000000

-- 
cheers,
maning
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