QGIS Point Clouds
Simon Nitz
Wow, now this is fun, first play with point clouds in QGISā¦
Also, I used roofer to create 3D LOD2.2 buildings from footprints and Lidarā¦ https://github.com/3DBAG/roofer
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Simon Nitz |
GIS Lead |
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Andrew Jeffrey
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WillyB
Simon Nitz
The LiDAR was captured for NgÄ TÄngata Tiaki o Whanganui by Landpro Ltd from 8th February 2025 to 21st May 2025.
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This was part of a project to capture lidar for the entire Whanganui River Catchment (which goes way beyond our own Council boundary), we contributed additional $$ to capture Lidar beyond the catchment to get 100% coverage of our Council area.
The point density is 28.66 points/square metre.
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We had updated building outlines captured during February as part of a separate Aerial Photography project for Council by Aerial Surveys NZ Ltd.
https://geonode.whanganui.govt.nz/catalogue/#/dataset/670
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So just two datasets: Lidar and building footprint outlines!
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Simon
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Simon Nitz
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GIS Lead |
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box...@iinet.net.au
For the geologists out there in QGIS land, I thought I would flag two new plug-ins that will be of interest.
Vertical exaggeration can now be applied to drill cross sections using the āGeoscience Section Vertical Exaggerationā plug-in. This plug-in also makes the temporary files permanent with one click.
The second plug-in makes it easy to add dip and strike data called āDip-Strike Toolsā. The plug-in can create a default file structure with a nice little dialog box for data entry.
Give these a go and let me know your feedback.
Cheers Grant, Perth.
Emma Hain
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North Road CartographyĀ ā¢Ā DevelopmentĀ ā¢Ā Spatial Analysis north-road.com    FOSS4G 2025 17-23 November, Auckland, New Zealand |
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Emma Hain
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North Road CartographyĀ ā¢Ā DevelopmentĀ ā¢Ā Spatial Analysis north-road.com FOSS4G 2025 17-23 November, Auckland, New Zealand |
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Juan Fernando BerrĆo
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Cameron Shorter
Simon Nitz
Hey Cameron
- Yeap I reckon it probably could be done! š
- I think you could.Ā In my data the stuff it didnāt handle so well was odd shape church spires, and domes.
- LINZ have the followingā¦
https://www.linz.govt.nz/products-services/data/types-linz-data/elevation-data
https://www.linz.govt.nz/products-services/data/types-linz-data/elevation-data/lidar-data-coverage
https://data.linz.govt.nz/layer/122082-new-zealand-lidar-1m-dsm/
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PS ā Will we see you at FOSS4G 2025 in Auckland?Ā That would be a great chance for you to catch up with not just LINZ re this but all the other initiatives happening around the world. https://2025.foss4g.org/
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Cheers
Simon
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Simon Nitz
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GIS Lead |
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Please consider the environment before printing this email CAUTION: This correspondence is confidential and intended for the named recipient(s) only. If you are not the named recipient and receive this correspondence in error, you must not copy, distribute or take an action in reliance on it and you should delete it from your system and notify the sender immediately. Unless otherwise stated, any views or opinions expressed are solely those of the author, and do not represent those of the organisation. |
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From: australian-qg...@googlegroups.com <australian-qg...@googlegroups.com>
On Behalf Of Cameron Shorter
Sent: Tuesday, 2 September 2025 11:21 pm
To: australian-qg...@googlegroups.com
Subject: Re: [QGIS-Australia-User-Group] Re: QGIS Point Clouds
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Simon,
So cool. Seems you are doing a bunch of stuff I want to learn (to determine NZ Rooftop Solar potential).
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Questions:
1. I'm wondering about the feasibility of creating a rooftop surface layer for New Zealand.
2. Could I create approximate roof slopes using 3DBAGĀ + New Zealand's 1x1m DEM layer?
3. If not, are there related initiatives to create a reasonable point cloud coverage of NZ? Is it aggregated into a common dataset somewhere?
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On Mon, 11 Aug 2025 at 05:47, 'Simon Nitz' via QGIS Australia User Group <australian-qg...@googlegroups.com> wrote:
The LiDAR was captured for NgÄ TÄngata Tiaki o Whanganui by Landpro Ltd from 8th February 2025 to 21st May 2025.
Ā
This was part of a project to capture lidar for the entire Whanganui River Catchment (which goes way beyond our own Council boundary), we contributed additional $$ to capture Lidar beyond the catchment to get 100% coverage of our Council area.
The point density is 28.66 points/square metre.
Ā
We had updated building outlines captured during February as part of a separate Aerial Photography project for Council by Aerial Surveys NZ Ltd.
https://geonode.whanganui.govt.nz/catalogue/#/dataset/670
Ā
So just two datasets: Lidar and building footprint outlines!
Ā
Simon
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Simon Nitz | GIS Lead
P: +64 349 3052 | M: +64
www.whanganui.govt.nz
Whanganui District Council | 101 Guyton StreetĀ |Ā Whanganui 4500