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I get this response but no generation of any results or viewer.

QGIS version: 3.12.3-București
QGIS code revision: 82342615
Qt version: 5.14.2
GDAL version: 3.0.4
GEOS version: 3.8.1-CAPI-1.13.3
PROJ version: Rel. 6.3.1, February 10th, 2020
Processing algorithm…
Algorithm 'lasview' starting…
Input parameters:
{ 'ADDITIONAL_OPTIONS' : '', 'COLORING' : 0, 'GUI' : False, 'INPUT_LASLAZ' : '/home/jim/Documents/MOTTMAC/PROCESSING TESTING/Mapware/A430/A430.LAZ', 'POINTS' : 5000000, 'SIZE' : 0, 'VERBOSE' : False }

LAStools command line
C:\LAStools/bin/lasview -i "/home/jim/Documents/MOTTMAC/PROCESSING TESTING/Mapware/A430/A430.LAZ" -points 5000000
LAStools console output
/bin/sh: C:LAStools/bin/lasview: No such file or directory

Execution completed in 0.03 seconds
Results:
{'': None}

Loading resulting layers
Algorithm 'lasview' finished

Couldn't load plugin 'LAStools' due to an error when calling its classFactory() method

AttributeError: module 'LAStools' has no attribute 'classFactory'
Traceback (most recent call last):
File "C:/OSGEO4~1/apps/qgis/./python\qgis\utils.py", line 334, in _startPlugin
plugins[packageName] = package.classFactory(iface)
AttributeError: module 'LAStools' has no attribute 'classFactory'

Hi,

I am using QGIS 3.14 on Ubuntu focal.
I downloaded lastools and unzipped the archive. I ran make to create the libs for linux.
I then opened qgis and clicking on the wrench in the toolbox I set the directory for the LAStools folder correctly.
When I set the directory of wine (which is installed) to /usr/bin and click OK QGIS crashes every time.

Regards,

Hi,
When i try use the plugin and chose a file in path with special characters, QGIS return with msg:

LAStools command line
C:/LAStools\bin\lasview -i "R:\FTP\07 Geração do Modelo Digital de Superfície\LOTE-01\MDS\SC-24-Z-D-I-2-NE-A-I-4-D.las" -points 5000000
LAStools console output
Traceback (most recent call last):
File "C:\Users/56565464/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\LAStools\LAStools\lasview.py", line 67, in processAlgorithm
LAStoolsUtils.runLAStools(commands, feedback)
File "C:\Users/56565464/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\LAStools\LAStoolsUtils.py", line 61, in runLAStools
feedback.pushConsoleInfo(output.decode("UTF-8"))
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe7 in position 90: invalid continuation byte

Execution failed after 0.41 segundostion 90: invalid continuation byte

Note 1: I use windows 10 Pro 20h2.
Note 2: I tested the plugin with Windows 11 and work without errors.

Here's the error report:

An error has occurred while executing Python code: 

TypeError: QgsProcessingParameterFileDestination(): arguments did not match any overloaded call:   overload 1: too many arguments   overload 2: argument 1 has unexpected type 'str' 
Traceback (most recent call last):
  File "....../QGIS/QGIS3\profiles\default/python/plugins\LAStools\LAStoolsPipelines\flightlinesToMergedCHM_SpikeFree.py", line 49, in initAlgorithm
    self.addParametersRasterOutputGUI()
  File "....../QGIS/QGIS3\profiles\default/python/plugins\LAStools\LAStoolsAlgorithm.py", line 269, in addParametersRasterOutputGUI
    self.addParameter(QgsProcessingParameterFileDestination(LAStoolsAlgorithm.OUTPUT_RASTER, "Output raster file", "tif", "", True, False))
TypeError: QgsProcessingParameterFileDestination(): arguments did not match any overloaded call:
  overload 1: too many arguments
  overload 2: argument 1 has unexpected type 'str'

Python version: 3.6.0 (v3.6.0:41df79263a11, Dec 23 2016, 08:06:12) [MSC v.1900 64 bit (AMD64)] 
QGIS version: 3.0.2-Girona Girona, 307d082e3d 

I also couldn't see LASTools when searching for it from within QGIS, hence why I'm installing from the zip.

I'm trying to view a .las file with LAStools. I used ctrl+k to find lasview, and I use the file browser to pick a file, so the path is correct, but it says the path is not found. I'm using Windows, LAStools 1.0, and QGIS 3.2.2.

LAStools command line
C:\LAStools\bin\lasview -i "C:/Users/my_user/home/projects/lidar_exploration/las_data/sample_file.las" -points 5000000
LAStools console output
The system cannot find the path specified. 

Versão do QGIS: 3.12.3-București
Código de revisão do QGIS: 8234261527
Versão do Qt: 5.11.2
Versão do GDAL: 3.0.4
Versão do GEOS: 3.8.1-CAPI-1.13.3
Versão do PROJ: Rel. 6.3.2, May 1st, 2020
A processar o algoritmo...
Algoritmo 'lasinfo' starting…
Parâmetros de entrada:
{ 'ADDITIONAL_OPTIONS' : '', 'COMPUTE_DENSITY' : False, 'CPU64' : False, 'GUI' : False, 'HISTO1' : 0, 'HISTO1_BIN' : 1, 'HISTO2' : 0, 'HISTO2_BIN' : 1, 'HISTO3' : 0, 'HISTO3_BIN' : 1, 'INPUT_LASLAZ' : 'C:\Users\Miguel Morais\Downloads\nd_lidar.las', 'REPAIR_BB' : False, 'REPAIR_COUNTERS' : False, 'VERBOSE' : False }

LAStools command line
C:/Users/Miguel Morais/AppData/Roaming/QGIS/QGIS3/profiles/default/python/plugins/LAStools\bin\lasinfo -i "C:\Users\Miguel Morais\Downloads\nd_lidar.las"
LAStools console output
'C:/Users/Miguel' is not recognized as an internal or external command,
operable program or batch file.

Execução completa em 0.08 segundos
Resultados:
{'': None}

A carregar as camadas resultantes
Algoritmo 'lasinfo' terminado

When i try to use las2dem from Linux, it want to use the Windows version !
Here is the message :

LAStools command line
C:\LAStools/bin/las2dem -v -i "/home/user/data/LIDARHD_1-0_LAZ_MQ-0770_6281-2021/test_CC.las" -keep_class 2 -step 1.0 -o "/home/user/data/LIDARHD_1-0_LAZ_MQ-0770_6281-2021/output"
LAStools console output
/bin/sh: 1: C:LAStools/bin/las2dem: not found

Hello
When I try to run any tool with the .las entry, I receive this message:

Traceback (most recent call last):
File "C:/Users/Raphael/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\LAStools\LAStools\lasground.py", line 75, in processAlgorithm
LAStoolsUtils.runLAStools(commands, feedback)
File "C:/Users/Raphael/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\LAStools\LAStoolsUtils.py", line 61, in runLAStools
feedback.pushConsoleInfo(output.decode("utf-8"))
UnicodeDecodeError: 'utf-8' codec can't decode byte 0x8a in position 15: invalid start byte

I try different data source (usgs and government of quebec) but the same message appears.
Any idea to help ?
Thanks

LAStoolsUtils.runLAStools(commands, feedback)
File "C:/Users/chdo/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\LAStools\LAStoolsUtils.py", line 61, in runLAStools
feedback.pushConsoleInfo(output.decode("utf-8"))
UnicodeDecodeError: 'utf-8' codec can't decode byte 0x86 in position 5: invalid start byte

After I download LAStools from here where do I put this folder so it's accessible to QGIS's path? I added that folder to my system path but when I try to run las2shp I get the following output showing that it's looking for it in C: but I'm on MacOS

LAStools command line
C:\LAStools/bin/las2shp -v -gui -i "/Users/me/Downloads/file.las"
LAStools console output
/bin/sh: C:LAStools/bin/las2shp: No such file or directory

las2shp is available from my command line, however.