Scan direction flag

[Adrian Draghici]

Dear support,

I have a situation where I need to make the difference between two laser heads of LiDAR sensor VQ1560II. For Channel 1 scan direction flag to be set to 0 and for Channel 2 scan direction flag to be set to 1. There is any option in las2las that would help me? I did not found anything related to it in the readme file.. 

Thank you in advance,

Adrian

[Jorge Delgado García]

You can configure then using las2las

las2las -cpu64 -i "<your_input_file.laz>" -set_scanner_channel 1 -set_scan_direction 0 -odir "<your_output_directory>" -o "<your_output_file.laz"

You need to have in separate files the Channel 1 and Channel 2 datasets, of course.

Jorge

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[Adrian Draghici]

Thank you Jorge!

Which version do you use? I downloaded the latest version available on LAStools website and command line  -set_scan_direction doesn't exist in las2las. 

Adrian

[Support at rapidlasso]

Thanks Jorge for your help! 

I think the flag is "-set_scan_direction_flag"

so

las2las -cpu64 -i "<your_input_file.laz>" -set_scanner_channel 1 -set_scan_direction_flag 0 -odir "<your_output_directory>" -o "<your_output_file.laz"

may work...

Jochen

[Jorge Delgado García]

I have the last one from LAStools webpage. The option doesn’t appear in the README file but I tested it and I don’t have any error, so the option exists (there is included in txt2las programme). 

I have not checked the final result ... las2info doesn’t provide information about this but I want to check read the LAS file directly. 

Jorge 

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