[pdal] PlyReader inspect QuickInfo

Andrew Bell andrew.bell.ia at gmail.com
Fri Oct 22 05:29:55 PDT 2021


I think that as long as you're providing some reasonable information, this
would be fine. The PCD reader, which is also a text format without much
that you can glean quickly, does the same thing.

On Fri, Oct 22, 2021 at 2:07 AM Daniel Brookes <dbrookes at micromine.com>
wrote:

> Hello point cloud people!
>
>
>
> One part of the PDAL C++ API we utilise in our application is the
> QuickInfo inspection to relatively quickly determine info about a point
> cloud file. We use this for some UI components. This works great for LAS
> and E57 but we recently had a request for this to work for PLY files as
> well.
>
>
>
> I’m happy to submit a PR to extend PlyReader for this but a problem I
> realised is that the PLY header does not specify bounds (or SRS) which
> would leave the QuickInfo incomplete (without reading the entire file to
> determine bounds, which defeats the purpose).
>
>
>
> What’s the feeling around that? Is it reasonable for the QuickInfo bounds
> to be empty and we fill out the parts we can - which for PLY would be the
> point count and dimensions.
>
>
>
> Regards,
>
>
>
> *Daniel Brookes | **Micromine Developer*
>
> *MICROMINE Pty Ltd*
>
> *e*: dbrookes at micromine.com
>
>
>
> <https://www.micromine.com/>
>
>
> [image: Micromine PL] <http://www.micromine.com>
>
> Micromine PL
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-- 
Andrew Bell
andrew.bell.ia at gmail.com
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