In the past months, we have been busy adding support for point cloud data in QGIS (3.18). Read more on how to install and test this feature under MS Windows.
To be able to use this feature, you need extra packages and also the latest OSGeo4W installer.
Note: This is a completely revamped and different packaging system than the current OSGeo4W installer. To avoid any clash with your current installation, it is recommended to use a different path to install the new packages. The new packaging only supports 64-bit platform.
1- Download and run the NEW OSGeo4W installer
2- Select the Advanced install and pick qgis-dev from the list of packages
Special thanks to Jürgen Fischer for his hard work on preparing the new packages for Windows.
Once installation is completed, try to run QGIS from the installation path (e.g. C:\OSGeo4W64\bin\qgis-dev.bat). You should be able to load LAS\LAZ file to your map from the Browser panel or the Data Source Manager.
The point cloud data can be visualised in 2D and 3D map canvas.
Please test and let us know if you encounter any problems when loading, viewing or styling point cloud data. The best way to do that is to create a new issue on GitHub: https://github.com/qgis/QGIS/issues
QGIS 3.18 will be released later this week (February 19), so grab your copy of QGIS today and give it a try, so that we can fix any remaining issues before the release!
Problem: I am unable to add any LAS/LAZ point cloud file
Solution: Ensure you have used the correct installer linked above. Development builds of QGIS in the ordinary OSGeo4W installer DO NOT include support for point clouds.