Hi On Fri, Mar 5, 2021 at 3:13 AM Nicolas Cadieux <njacadieux.git...@gmail.com> wrote:
> LiDAR is new in QGIS and i’am not sure what files formats are supported > yet. I had trouble with the current version. It did show support for a > json file format but I expect the las/laz format support will pop up once > the bugs are worked out. In the mean while, I would use CloudCompare > (OpenSource) to read the cloud and create the DEM. Then, you could import > the DEM into QGIS to extract the contour lines. > QGIS 3.18 does support LAS/LAZ format to load point cloud datasets. The problem is that some installers for some platforms (most notably the Windows installer) do not include the PDAL library needed to read LAS/LAZ files. There is now an experimental alternative installer which includes also PDAL library and thus it can read LAS/LAZ files too: https://qgis.org/downloads/QGIS-OSGeo4W-3.18.0-1.msi Please note that 3.18.0 release has been pulled back few days ago because of several major bugs, so please consider this as a testing release where some things may not work. Regards Martin
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