[QGIS-Developer] R: New QEP: Point clouds in QGIS (Martin Dobias)

Niccolò Marchi sciurusurbanus at hotmail.it
Tue Aug 11 01:23:56 PDT 2020


Hi Martin,
great news: I’m craving for such an enhancement!

Reading the description of the QEP I didn’t see great considerations about LAS & LASlib.
>From my experience, LAS format is almost a standard for ALS LiDAR data sharing and, even if LAZ is still not well known, the size can be shrinked to 1/10 thanks to it. It has a 2D index that can be easily created through the open source tools of LAStools and it’s definitely well exploited using the streaming filters provided by LASlib (at least in IO operations). For what concerns the visualization, here<https://github.com/Jean-Romain/PointCloudViewer> you can find how it has been solved for the R language (horrible for memory handling) making use of OpenGL.

BTW, I’m just a user and not a programmer…just curious why the above choices :)
All the best and keep up the great work!

Niccolò





Da: qgis-developer-request at lists.osgeo.org<mailto:qgis-developer-request at lists.osgeo.org>
Inviato: lunedì 10 agosto 2020 21:00
A: qgis-developer at lists.osgeo.org<mailto:qgis-developer at lists.osgeo.org>
Oggetto: QGIS-Developer Digest, Vol 178, Issue 20


Message: 1
Date: Mon, 10 Aug 2020 15:25:29 +0200
From: Martin Dobias <wonder.sk at gmail.com>
To: qgis-dev <qgis-developer at lists.osgeo.org>
Subject: [QGIS-Developer] New QEP: Point clouds in QGIS
Message-ID:
        <CAC2XbFc47Ow2hpiq-s_Fn_y02A5TfHEhfnABaBvYwQbMfMiehg at mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"

Hi all

I have just published a draft of the proposal for introduction of
point cloud visualization in QGIS:
https://github.com/qgis/QGIS-Enhancement-Proposals/issues/194

Any feedback would be highly appreciated!

We will be soon launching a crowdfunding campaign for the
implementation - stay tuned!

Regards
Martin


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