PDAL

 

PDAL offers 2 methods for ground classification (SMRF and PMF) and it is significantly faster than MCC-LIDAR, already has 64-bit binaries ready for use and also supports compressed LAZ files. You can download and install it via OS4GEO here: http://download.osgeo.org/osgeo4w/osgeo4w-setup-x86_64.exe  Its command line can be challenging. 

 

commands

 

Consider:

Point cloud distances: https://www.pdal.io/apps/hausdorff.html

Outlier removal: https://www.pdal.io/tutorial/pcl_ground/index.html#pcl-ground


last revised 2/14/2018