import laspy
import open3d as o3d
import numpy as np
las = laspy.read("file.laz")
When I use this code, I get the error: laspy.errors.LaspyException: No LazBackend selected, cannot decompress data
How can I resolve this?
What is the Laspy error when reading laz files?
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I also had the same issue and unfortunately, while working in colab, installing the laspy tool and the dependancies for .laz files using !pip install laspy[lazrs,laszip] did not help in reading the .laz file. Luckily, Qgis has the tool to convert from .las to .laz found in the Processing Toolbox > Point Cloud Conversion > Convert format. It also has the option of batch processing as well.
The laspy website explains how to enable filehandling of .laz files.
https://laspy.readthedocs.io/en/latest/installation.html#
You have to install one of the two given .laz backends. On the top of the page are installation examples.
With unix/macOS this worked for me:
Make sure to reload your python environment after the installation.