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agatha

@geometrian.bsky.social

Computer graphics researcher / mathematician / liberal elitist / musician / artist STEM / C++ / pathtracing / hard-scifi / caffè / thai+indian food / snark Truth and kindness are the most important things

49 Followers  |  18 Following  |  17 Posts  |  Joined: 01.09.2023  |  1.9342

Latest posts by geometrian.bsky.social on Bluesky

I legitimately thought this was some kind of advanced humor, but yeah no this tee unfortunately is just AI slop.

Banned books definitionally challenge the mainstream, so it greatly undercuts the point that the shirt promotes them by mixing the mainstream into a slurry and selling it as original!

05.11.2025 06:28 — 👍 2    🔁 0    💬 0    📌 0

This image is definitely fake. Look at the lighting on the clouds vs. mountains for example; it's in completely opposite directions.

Please be careful reposting secondhand images with secondhand captions. Most beautiful things you see on the internet today are blatant forgeries, to everyone's loss.

22.10.2025 22:28 — 👍 9    🔁 2    💬 0    📌 0

We split the atom,
And kill hundreds of thousands.

We split the atom,
And threaten billions more.

We split the atom,
And power our cities.

The fossil lobby smiles.

We split the atom,
And "green" groups scream for coal.

We forget how to split the atom.

And destruction's peril
Becomes certainty.

21.10.2025 19:13 — 👍 1    🔁 0    💬 1    📌 0

Tech names should not alias common terminology!

Nowadays you'll search like "bread recipe" and it will turn out "bread" is a JS compiler and a "bread recipe" is its config file. The top results will be 2 billion posts on StackOverflow about that.

Instead of, you know, an *actual recipe for bread*.

21.10.2025 17:15 — 👍 5    🔁 0    💬 0    📌 0

The western literary canon everyone teaches and studies is terrible: mediocre works dominated by crufty white male authors.

This, at the expense of attention to *every other* demographic's work, even amounting to entire literary subgenres.

Insane to urge kids to read widely when the canon doesn't.

14.10.2025 03:47 — 👍 5    🔁 0    💬 0    📌 0

When your level designer is a little too excited to get to the interesting bits that they don't spend enough care on the backrooms:

03.10.2025 23:12 — 👍 0    🔁 0    💬 0    📌 0

What kind of five-year-old writes in flawless common meter (four lines of alternating iambic tetrameter and iambic trimeter)?

02.10.2025 16:41 — 👍 1    🔁 0    💬 1    📌 0

The cool, colorful, fashionable Autumn, the holiday-filled, sparkling peace of Winter, and the new life of early Spring.

"Reverse seasonal affective disorder" is a real thing, but I've never understood how *we* are supposedly the weird ones!

Me, I am aligned to the rain.

02.10.2025 13:48 — 👍 0    🔁 0    💬 0    📌 0

Water is restorative. Water is life. The country rains nourish plants and animals, while the city rains refresh the parched and cleanse pollutants from the air.

Meanwhile, the sun is a nuclear fireball that you cannot even look at. It scorches the earth and burns your very skin.

02.10.2025 13:48 — 👍 0    🔁 0    💬 1    📌 0

Anonymous structs are "not supported", but in practice every C++ compiler supports them (in particular, Clang, GCC, and MSVC all do), so they can actually be freely used.

Note for any members' constructors you just initialize directly, as if the anonymous struct wasn't wrapping them.

18.09.2025 19:10 — 👍 0    🔁 0    💬 0    📌 0

(1) It sucks because it is ad-driven, and therefore Google has a perverse incentive to make your results worse, ensuring you spend more time looking at ads.

(2) Kagi

15.09.2025 17:32 — 👍 5    🔁 0    💬 0    📌 0

I goddamn love autumn so much I’m so excited for all the colourful leaves and nice temperatures and cosy vibes and rain and

02.09.2025 19:24 — 👍 59    🔁 7    💬 7    📌 2

The tech people rejoice in what *can* be built.

The academics despair in what *has* been built.

12.08.2025 08:14 — 👍 3    🔁 0    💬 0    📌 0

This is actually an AO render. Originally, I was going to make it a render with glass material and an envmap, but the ray depth explodes. It also turns out all those interactions efficiently attenuate paths, so the right answer for glass is a mostly black image anyway. AO brings out more detail!

22.05.2025 01:00 — 👍 1    🔁 0    💬 0    📌 0
Preview
The Mohmmeter A steampunk ohmmeter (and voltmeter) made as a birthday present for my mom.

So I made a steampunk multimeter
geometrian.com/projects/ele...

04.05.2025 18:36 — 👍 4    🔁 0    💬 2    📌 0
1 billion Utah teapots arranged into a cube.

1 billion Utah teapots arranged into a cube.

From the archives: ever wonder what 1 billion Utah teapots looks like?

Boom. 1 gigateapot.

(Rendered with my old pathtracer, using a recursive BVH.)

11.02.2025 02:54 — 👍 2    🔁 1    💬 2    📌 0
Preview
The Raster Graphics Pipeline This is a high-level but still technical survey of the graphics pipeline.

Just to get us started, here's a thing I wrote about how the 3D rasterization pipeline works.

Also included is a small (single-file, < 300 lines, including comments) implementation in C++, because code is worth 1000 words.

geometrian.com/resources/tu...

28.01.2025 21:07 — 👍 3    🔁 0    💬 0    📌 0
Preview
Homepage of Agatha Mallett geometrian.com: Home page / index of Agatha Mallett, PhD.

This is post 0.

I am Agatha Mallett (geometrian.com). I mainly do computer graphics, but you may catch me doing everything from designing PCBs to playing fiddle.

Hello!

28.01.2025 20:48 — 👍 7    🔁 1    💬 0    📌 0

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