Lidar data in its delivered state usually contains many more points than PC CAD based systems can handle. Not naming any names, but we’ve personally seem 30 million plus points bring well known PC CAD software to a grinding halt, locking up the session leading to a task manager shut down. All the points in a 30 acre project could hit that point. So there must be some filtering (weeding) in place even for small projects.
Read More →
You may receive an ESRI Shapefile collection from a GIS user for a data source in generating a surface. This is typically a ShapeFile Type 1 (Point) or Type 2 (Polyline) which contains the XY values in the .SHP file, along with the elevations in a field of the associated .DBF file.