On Apr 7, 2010, at 10:17 AM, Aaron Reyna wrote: > Thanks Howard, > > So, does that mean that libLAS is incapable of extracting that information > based on it's current version? Maybe I didn't understand your reply.
Currently released version, 1.2.1, does not have the capability to provide *both* the point source id and the user_data, only the user_data. The latest version in the repository does have this capability, however. > > I ran it the other night and looked at the results, it seems to be correct. > Striations could be seen in the raster I created that looked similar to that > in the intensity raster. Excellent, glad you are having success. > > Oh, and it should be noted that only Raw .las files contain this information > in the User Data/Point Source Id. User data and point source id are not the same thing, and my grouping them together as equivalent was incorrect. user data is a single byte per point, and point source id is two bytes of data per point. > When those files are imported into usable delineations and grounded, (as in, > not per flight line) the Point Id is written over with gps time. > _______________________________________________ Liblas-devel mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/liblas-devel
