is a tool that reads LIDAR points from LAS/LAZ or ASCII files and computes the flight line overlap and / or the vertical and horizontal alignment. The output rasters can either be a color coded visual illustration of the level of overlap or the differences or the actual values and can be either in BIL, ASC, IMG, FLT, XYZ, DTM, TIF, PNG or JPG format. For more details see the README file.