PDAL

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sudo_ki
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PDAL

Post by sudo_ki »

I'm wondering if any folk here have a decent amount of experience writing pipelines for PDAL.

I have used it loosely for various functions in the past, but never a start to finish project.

Is it worth getting into? Or should I save myself and stick with cyclone?
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Re: PDAL

Post by jedfrechette »

I wouldn't think of it as a replacement for Cyclone (although I have thought a little bit about what it would take to build an interactive registration package on top of it) but PDAL is fantastic. It's the first tool I'll look at for any non-interactive point cloud related task. I really like how the tools are structured and there are often ways to write pipelines that are massively parallel so it can be quite efficient.

I'd absolutely suggest more people take a look at it as I think it will only get better.
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sudo_ki
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Re: PDAL

Post by sudo_ki »

hey jed,

https://www.laserscanningforum.com/foru ... 44&t=13792 maybe you remember this post from a few years ago. Unfortunately I haven't been working with laser scan data since, but it seems i may have the opportunity once more.

I see your point.

have you come across http://www.open3d.org/? I was pondering using this instead, but i've never put large data sets through it, would love to see someone test its limits
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Re: PDAL

Post by jedfrechette »

I think much of that discussion is still entirely relevant. Open3D looks pretty cool too, although not a project I've had a chance to play with myself.

One interesting development in this general area is the recent proposal to work on point cloud visualization inside QGIS via PDAL:

https://github.com/qgis/QGIS-Enhancemen ... issues/194

Certainly PDAL is much more targeted at geographic scale data compared to Open3D, which seems more targeted at object scale data. Ground-based scan data is somewhere in between, so I could see both being valuable.
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sudo_ki
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Re: PDAL

Post by sudo_ki »

A project like this is well overdue, so nice to see that someone has found the time and motivation to pursue it. Being able to present clients with a project file which contains vector, rasta and point cloud information is really where we need to be. QGIS is a great tool for accomplishing that.
Certainly PDAL is much more targeted at geographic scale data compared to Open3D, which seems more targeted at object scale data. Ground-based scan data is somewhere in between, so I could see both being valuable.
Absolutely.
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Re: PDAL

Post by jedfrechette »

sudo_ki wrote: Sun Aug 23, 2020 11:07 am
A project like this is well overdue, so nice to see that someone has found the time and motivation to pursue it.
Agreed, I just saw on the PDAL mailing list that they are setting up a crown funding drive to pay for.

https://www.lutraconsulting.co.uk//crow ... loud-qgis/

They're only looking for $49k euros ($58k usd) for the initial work which seems totally doable if a few companies see the potential value pitch in.

I know I am planning to make a pledge. The development pace and responsiveness to bug reports that I've observed from both QGIS and PDAL make me think it is a pretty good investment.
Jed
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Re: PDAL

Post by sudo_ki »

XD I was just coming back to post the same link!

i'll be making a donation myself :)
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