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Removing outliers from LiDAR point cloud using ArcMap

Geographic Information Systems Asked by andm on May 24, 2021

I have a city-wide LiDAR (LAS format) dataset that I’d like to clear of outlier points to process in ArcMap 10.7. I’ve identified the points using the Locate Outliers tool.

How do I use the resulting point feature class to rid the point cloud of those points?

I understand it’s possible with LasTools in ArcGIS Pro, but I do not have access to it.

One Answer

It's not ArcMap, but it is straightforward to identify noise (classification == 7) and remove it in a pdal translate operation:

pdal translate input.las output.las lof range --filters.range.limits="Classification![7:7]"

PDAL can be installed into your ArcMap Conda environment by using the Conda Forge channel. See more about installing PDAL in from Conda here.

Answered by Howard Butler on May 24, 2021

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