[GRASS-user] r.denoise segfaults on a raster of 1166468401 cells

Alexander Muriy amuriy at gmail.com
Thu Dec 20 23:07:54 PST 2012

2012/12/21 <grass-user-request at lists.osgeo.org>

> > Hi Nikos. In my experience, <mdenoise> utility works well with raster
> sizes
> > no more than 2000x2000 (regardless of RAM size). That's why the only way
> to
> > denoise the large rasters ? using of tiles and patching of final results.
> Of course! Yet, what about differently smoothed tile borders?  Any
> additional
> hints?

In my work, patching smoothed tiles (separate rasters) not cause any
serious distortions in result raster. Anyway, it needs some more
investigations :)

Best regards,
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