[pdal] Digitized building footprints

[adam steer]

Hey Stephen

Also - do some testing with the CSF filter. I've found it to be the best
method (so far) of getting ground from SfM datasets.

Cheers

Adam


On Tue, 30 Jun 2020 at 03:16, Stephen V. Mather <svm at clevelandmetroparks.com>
wrote:

> Hi Andrew,
>
> The goal is to use the digitized footprints to filter the point cloud of
> the known buildings. With the buildings removed, I plan to then feed this
> in to SMRF to remove the vegetation points as best as possible. Something
> similar to this:
>
> https://smathermather.com/2016/10/15/finding-peace-finding-the-grounddrone-flights-for-hydrologic-modeling/
>
> Thanks,
> Best,
> Steve
>
>
> [image: http://sig.cmparks.net/cmp-ms-90x122.png] *Stephen V. Mather*
> GIS Manager
> (216) 635-3243 (Work)
> clevelandmetroparks.com
>
>
>
>
> ------------------------------
> *From:* Andrew Bell <andrew.bell.ia at gmail.com>
> *Sent:* Monday, June 29, 2020 12:43 PM
> *To:* Stephen V. Mather <svm at clevelandmetroparks.com>
> *Cc:* pdal <pdal at lists.osgeo.org>
> *Subject:* Re: [pdal] Digitized building footprints
>
>
> *WARNING: This email originated outside of Cleveland Metroparks. DO NOT
> CLICK links or attachments unless you recognize the sender and know the
> content is safe.*
>
>
> On Mon, Jun 29, 2020 at 11:25 AM Stephen V. Mather <
> svm at clevelandmetroparks.com> wrote:
>
> Hi All,
>
> I am processing a dataset for which I have a digitized building
> footprints. It'd be even cooler if I had vegetation, but beggers !=
> choosers.
>
> In principle, I could use filters.overlay, but this is a massive dataset,
> so I am curious if it makes more sense to rasterize, tile things up, and
> use filters.colorization.
>
> Happy to test and report back on what is fastest, but in case someone has
> a hunch, or an alternative recommended approach, I thought I would ask.
>
>
> It's not clear to me what you're trying to do. Maybe you could state your
> goal?
>
> --
> Andrew Bell
> andrew.bell.ia at gmail.com
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-- 
Dr. Adam Steer
http://spatialised.net
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