All,
A user requested that las2las have options to extract specific classes
into a new file rather than using the elimination approach that it
currently uses. Unfortunately, the new release won't be out for a
while, and because las2las tracks Martin's tools, I'm a bit hesitant
to start adding lots of divergent options. One thing libLAS has that
LAStools doesn't is Python bindings, however, and this task is quite
simple in Python.
http://liblas.org/wiki/PyExtractClass
The following command line invocation would use the above script to
extract classifications 1 and 2 from the input.las file to the
output.las file...
python grab_classes.py --input input.las --output output.las --
classifications 1,2
Enjoy,
Howard
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