How to use the lazrs.compress_points function in lazrs
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tmontaigu / pylas / pylas / compression.py View on Github 
def lazrs_compress_points(points_data, parallel=True):
try:
import lazrs
except Exception as e:
raise LazError("lazrs is not installed") from e
try:
vlr = lazrs.LazVlr.new_for_compression(
points_data.point_format.id, points_data.point_format.num_extra_bytes)
compressed_data = lazrs.compress_points(
vlr,
np.frombuffer(points_data.array, np.uint8),
parallel
)
except lazrs.LazrsError as e:
raise LazError("lazrs error: {}".format(e)) from e
else:
return compressed_data, vlr.record_data()
