[pdal] About litree filter: too much computation time, and other questions.

[Bradley Chambers]

On Tue, Jan 17, 2023 at 1:36 PM Ulises Ibarra <ulisesmartinibarra at gmail.com>
wrote:

>
> 1. Sampling a point inside a cube with a size of about 10 centimeters on
> each side, would this seem like a good level of subsampling to you?
>

I have not thoroughly studied this topic and it will be data dependent, but
I would guess that this would still work quite well. You might just have to
experiment on a small patch to tune the settings to your liking before
expanding to the full scene.


> 2. I could cut the cloud of points into tiles, but would something serious
> happen if a tree is half in one tile and half in another?
>

Correct. In the best case, you'd have two correctly segmented half trees in
each tile that you'd need to stitch together somehow.


> 3. Would each of the files for each tile be processed by batch processing?
>

 Any batch processing or parallelization of your workflow will be external
to PDAL, but would be a reasonable approach to the problem.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/pdal/attachments/20230117/829b0e6e/attachment.htm>