Very proud of my former student (now colleague!), Gabi, who just gave her first conference presentation at #foss4guk in Leeds.

#geospatial #gis #osgeo #postgis

So, TIL that a MultiPolygon is invalid if any of its polygon parts touch at more than a single point. Eg. a MultiPolygon where two 'polygon parts' share an edge is invalid.
I can see why this is the case - those two polygon parts should be merged, but it's a bit annoying.

#gis

Quite chuffed that my paper on Py6S - a Python interface I developed to the 6S Atmospheric Radiative Transfer model has now got to 200 citations. Not bad for a "software paper that will never get cited" as some people told me at the time!

#python #science #remotesensing

Just released another #3dprinting model - a lacemaking pin pusher. These are devices used by lacemakers to push little pins into their lace pillow (to hold the lace) without hurting their fingers. Available at makerworld.com/en/models/14... and probably coming to #emfcamp for a workshop!

Quite chuffed, I've got to 200 downloads of 3D models I've created and published on MakerWorld: makerworld.com/en/@robintw

Check them out - there are some models of bits of my body (from CT scans), railway signalling things, craft stuff, jokes and more!

#3dprinting

Love it when I do a quick search for a QGIS plugin and find exactly what I want - today I wanted an easy way for a non-GIS specialist to find a UK postcode in QGIS. The ZoomToPostcode plugin (plugins.qgis.org/plugins/Zoom...) does exactly what I want!

#gis #qgis

That's weird - that plane doesn't appear in my imagery

Fascinating thing I noticed today - the imagery of Heathrow Airport in Google Maps has literally zero planes. None on stands, on taxiways, on runways. I wonder why - I didn't think Heathrow ever closed fully.

I missed posting a few talks (including my own - I'll post a link to my slides later) but now we're on to Al Graham talking about Overture data, and using it for land cover. #foss4guk

Now we're on to Geospatial data for heritage and habitat by David Lovelace - with lovely georeferenced old maps

Adam Tweedie from @sparkgeo.bsky.social taking about a React component library for geospatial web apps now #foss4guk

Now we're hearing Rob Burgess taking about using Postgres, PostGIS and python for realtime vessel monitoring #foss4guk

Arrived at #foss4guk after a bit of a delay due to broken lifts at the station (they managed to find another step free way out).
Currently listening to James Milner talking about growing an open source project - building a software project is at least partially a marketing problem.

Looking forward to attending #foss4guk2024 tomorrow in Bristol.

I'll be speaking on using cloud native technologies to build a flood risk app, using Titiler, @postgis.bsky.social , MVTs and more!

#foss4g #python #postgis #gis

Join Rebalance Earth's GeoTAM Challenge Hackathon!

This open-source hackathon aims to create methods for estimating business turnover at specific locations in the UK. With prizes of up to £2000

20th-26th Nov, online

See www.rebalance.earth/geotam-chall...

#hackathon #opensource #climate #python