Lidar Ground Classification

From the "CLASS" tab on LIDAR Point clouds control form.  You must have installed the selected program in the location where MICRODEM expects it.

Program and setup diretions Module Parameters Notes
mcc-lidar  
  • scale ('s') parameter
  • curvature threshold ('t')
  
Fusion groundfilter Approximately 7  
PDAL translate pmf
   Very slow
  translate smrf
   Uses point data type 3, which is very verbose
Whitebox whitebox_tools.exe -r=LidarGroundPointFilter
  • radius plus .....
  
  whitebox_tools.exe -r=LidarSegmentationBasedFilter
  • radius plus......
  
LAStools lasground
lasheight
lasclassify
  • step size which affects how buildings will be excluded
  • bulge parameter which affects local variation in the surface created by a TIN of the ground points
 Classify (LAStools).  Note this has license restrictions.

 

LIDAR Point cloud form  option,  Class tab

  • Classify options
  • Denoise options
  • Program settings which control how the other programs operate

 

Last revised 6/21/2020