Woolpert lidar processing

I took delivery of the full Woolpert dataset on 5/27/2016.

The delivered data included:

Folder	Filetypes	Description
Bridge_Breaklines	ArcGIS .shp files	Location of major bridges
Control	ArcGIS .shp files	Point locations of the control points used in the survey
DEM_IMG	*.img	Digital Elevation images in 1km² tiles
DEM_IMG	*.img	Digital Surface images in 1km² tiles
Final_Report	*.pdf	Reports on the point cloud creation and control point collect
Intensity_Images	*.tif	Intensity images in 1km² tiles
LAS_1.4	*.las	Classified lidar point cloud in 1 km² tiles
Metadata	*.xml	Metadata files for the processed data products.
Swath_1.4	*.las	Point cloud by flight line
Tile_Index	ArcGIS .shp files	Shape files with location of the tiles and survey boundary.

The final report:

and survey report:

I wanted to produce a suite of processed derivatives from the point cloud data. These include

Name	Data Type	Description	Date	Note
wgew_laz	*.laz	Compressed *.laz file of the entire collection	5/31/2016	TBD
wgew_filtered	*.laz	Filtered statistical outliers, addition of 2015 NAIP RGB		Outliers were removed using PDAL statisticaloutlier and RGB color added using PDAL colorization
wgew_ground	*.laz	Compressed *.laz files of only the classified ground returns (~560 million points)	5/31/2016	Thes files have been re-formatted to LAS 1.2 and the EVLRs have been converted to VLRs by LAStools las2las
wgew_ground	*.tif	A merged 1 m DEM of the entire WGEW (derived from Points2Grid and PDAL)
wgew_hillshade	*.tif	A basic hillshade of the surface (180 degree azimuth, 40 degree sun angle).		Calculated in QGIS using GDAL.
wgew_relief	*.tif	A basic relief (colored) surface model		Calculated in QGIS, nice workflow here.
gridmetrics_30m	*.asc	FUSION GridMetrics for height above ground and intensity	5/8/2016	Description of files are here.
QAQC	.html, .jpeg	FUSION Quality Assessment Quality Control		I calculated total point density between 8-12 ppsm, first return density between 4-8 ppsm