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#csg

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Continued thread

And of course if possible you want to let the user choose arbitrary inter-particle spacings, possibly at runtime. This is e.g. the reason why #GPUSPH has a built-in simple #CSG (#ConstructiveSolidGeometry) system: it's not needed for #SPH, but it allows user to set up test cases even with relatively complex geometries without resorting to external preprocessing stages that wouldn't give the same flexibility in term of resolution choices.

And here's the thing: the CSG in GPUSPH has a *lot* of room for improvement, but it's not really the “core” of GPUSPH: how much developer time should be dedicated to it, especially considering that the number of developers is small, and most have more competences in the mathematical and physical aspects of SPH rather than in CSG?

The end result is that things get implemented “as needed”, which brings me back to the gamedev thread I was mentioning earlier:

3/

#GodotEngine #CSG

BTW, learned today (via experience) that:

let `p = PlaneMesh.new()`

Then, distort the verts of p. Like pull some up.

1. Assign to a CSG node csg.mesh = p : will display that plane mesh in low-poly style.

2. Assign to a MeshInstance3d.mesh = p : will display the mesh in smoothed-normals style.

There's different routes through the rendering internals of CSG and MeshInstance!

🦇

Continued thread

The latest Water Technical Advisory Group meeting minutes on the Santos website are terrifying. Santos is walking further away from its commitment to monitor groundwater in the #Pilliga and the experts seem to be allowing this to happen. How can cumulative impact on groundwater be assessed when monitoring is so weak? Randall Cox from OGIA is not concerned.

#EPBC #PilligaPipeline #CSG #AUSpol

narrabrigasproject.com.au/wp-c

Stumbled Across Lots Of Indicators Of Coal Seam Gas Drilling Pads, #Wieambilla, QLD, #Australia
--
maps.app.goo.gl/mB9KWHLw4tzfr4
--
espace.library.uq.edu.au/view/
--
A mate moved to Wieambilla, I was checking out their new town in Google Maps – and noticed all these drilling pads in close proximity to each other.
I have not worked as a geologist in Australia for 20+ years, so was not sure of the reason for them.
Looks like they are related to coal seam gas (CSG) mining, aka methane - and drilled before the ready advent of horizontal / drilling drilling (or cheaper to throw in a bunch of old school wells.)
The PhD submission linked above, although older, gave some good background.
It is a very distinct set of features on the landscape – and brought back a lot of memories of a variety of previous professional ‘lives.’
#GIS #spatial #mapping #GoogleMaps #remotesensing #imagery #queensland #gas #naturalresources #coalseamgas #CSG #methane #oilandgas #extraction #drilling #drillingpads #fracking #publichealth #geology #coal

Continued thread

Depuis que la sécurité sociale rembourse les frais à 100%, on a supprimé les mutuelles (celles qui sont moins efficaces que la sécurité sociale et qui se permettent quand même de ne pas rembourser les dents). Les cotisations ont augmenté dans l'absolue mais avec la suppression de la CSG et la progressivité, un meilleurs équilibre a été trouvé. De plus, les dépenses ont baissé.

Continued thread

The BALMAN mission was successfully performed today. At 4:00 UTC, the balloon was launched from the observation point "Colibri" near the Ariane 6 launch pad of the Centre Spatial Guyanaise in Kourou.

After reaching an altitude of 17.8 km the mission was terminated and the balloon impacted in the Atlantic Ocean, 42 km NE of Kourou.

The total flight time was 3 hours.

" armoured vehicles" concluded an agreement with the holding Czechoslovak Group () on cooperation in the production of 155-mm shells. Production is planned to begin in early 2025.

According to the agreements, part of the ammunition will be manufactured in and part - in the .
Production and delivery of 100,000 in 2025 and over 300,000 in 2026 are planned.
According to the materials of "Military".

We joined about 50 people outside Labor MP Peter Khalil’s office on Sydney Road Coburg protesting the 11th new coal and gas project approved by Australian Environment Minister Tanya Plibersek since Labor came to power in May 2022. This was the Billionaire Gina RhineHart company Senex with their ATLAS coal seam gas project in Queensland. Labor talk big on #ClimateAction but their actions belie their words

#CSG #fracking #Australia #FossilGas #ClimateCrisis
#DogsOfMastodon
#ChihuahuasForClimateAction #ExtinctionRebellion

Here is what Dad had to say:

climateactionmerribek.org/2024