pdal translate -i ept://http://act-2015-rgb.s3.amazonaws.com \
 -o ./exercises/analysis/meshing/building-exercise.ply \
 range poisson \
 --filters.range.limits="Classification[2:2],Classification[6:6]" \
 --filters.poisson.depth=16 \
 --readers.ept.bounds="([692738, 692967], [6092255,6092562])" \
 --verbose 4