With the latest release of LAStools (230731) we are introducing two new tools:
- las3dpoly (modifies points within a certain distance of 3D polylines): https://rapidlasso.de/modify-las-laz-files-via-3d-polylines.
- lasintensity (corrects the intensity attenuation due to atmospheric absorption): https://rapidlasso.de/lasintensity/ and https://downloads.rapidlasso.de/doc/lasintensity.pdf.