[pdal] Problem smrf output

[Bradley Chambers]

Luca,

I'm not sure there is enough info here for me to say definitively, but does
your data have noise points below ground in those regions? If so,
filters.elm might help.

Brad

On Thu, Jul 2, 2026 at 8:22 AM Luca Delucchi via pdal <pdal at lists.osgeo.org>
wrote:

> Dear all,
>
> I'm facing a problem with filter.smrf, it creates some big artifact
> (unclassified point, grey, when it should be ground, brown), could I
> improve the output?
> Using different parameters or filter?
>
> Thanks a lot
>
> PS
> I'm using docker to run it
>
> --
> ciao
> Luca
>
> www.lucadelu.org
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