las3dpoly

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davidma...@gmail.com

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Aug 28, 2025, 5:35:26 AM (13 days ago) Aug 28
to LAStools - efficient tools for LiDAR processing
Hi Jochen, in 2023, you implemented the fantastic las3dpoly. Could you please consider adding the functionality to use a 3D polygon instead of just 3D polylines? I would greatly appreciate your help in this regard. Thanks in advance.

Jochen Rapidlasso

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Aug 28, 2025, 5:10:11 PM (12 days ago) Aug 28
to LAStools - efficient tools for LiDAR processing
Hi David,
thanks for the positive feedback about las3dpoly :)
The tool should be able to cut or classify along polylines and polygons.
A simple test out of our demo data:

las3dpoly64 -i  lake.laz -poly lake_breakline.shp -o tmp.laz -distance 4 -remove_points

lake_breakline.shp is a polygon:
laslook_shp.png
The result shows the lake line without borders:

laslook_las3dpoly_result.png

If this don't work with your data: Please provide a small sample and we will have a look.

Cheers,

Jochen @rapidlasso

davidma...@gmail.com

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Aug 29, 2025, 1:22:00 AM (12 days ago) Aug 29
to LAStools - efficient tools for LiDAR processing
Jochen, as you say, it's just working fine !
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