In Part 4, Dr. Martin Isenburg describes the details of setting up key modules of LAStools in processing LiDAR data. He walks through a series of GUI's for each LAStool module. He starts with viewing the unclassified data in LASview. He describes key parameters to set in LASground to classify the LiDAR data. LAS2dem and blast2dem process LiDAR data to a digital terrain model. LiDAR ground elevations have a classification of "2".
He makes comments about licencing. LAStools can be explored in details at rapidlasso.com
Dr. Isenburg's presentation was part of the University of Lethbridge's LiDAR and radar workshop, June 26-27, 2014.