[pdal] filtering noise in EPT data from the USGS public AWS bucket

[Greenberg, David - FS, Vallejo, CA]

Hi everyone,

I'm interested in filtering noise from point clouds stored in EPT within the USGS public AWS bucket. I see that the points already have classifications. Does anyone know what method was used to classify the noise in these datasets?

I ask because my inclination is to use filters.outlier with the statistical option, and I'd like to evaluate this option against the method that has already been used. When I remove the original classifications and use filter.outlier with that option and the default parameters, I get a very different set of noise-classified points than the one that comes with the point clouds.

Thanks in advance

David




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