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I have a point shape (10.000 Points). Before interpolating theses points I need to filter them with a statistical background. Is there a tool or something I could use? Is it possible to select / filter those points that doesnt make sense (in comparison with the neighbour points)?

Thanx!

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Closely related: gis.stackexchange.com/questions/31014/…. – whuber♦ Nov 6 '12 at 15:37
did you tried OGRSpatialFilter gdal.org/ogr/… – rashad Nov 6 '12 at 16:43

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SAGA gis has several tools for working with point clouds:

First import Point Cloud from Shape File or xyz-textfile

Then look at if you can use one these or use any tool that works with point shapefile. They will also work with point clouds.

You can export again to shape or txt or interpolate your results in saga.

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