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Devil Lu Linvega's posts Post Back to profile
Devil Lu Linvega

Spending the day anchored, not moving for once. Enjoying some image programming coding to music. The Go tool I normally use to dither my images doesn't work on the pinebook, and firefox is fucked, so I can't use dither-it. So, to make my slides for SL23, I'll use this thing that assigns patterns to a gradient. I think it'll work out.
27 Jun 2023 at 22:23 | Open on merveilles.town
10 comments
Nina Kalinina

@neauoire does this one work maybe? gazs.github.io/canvas-atkinson
Also there's a decent ditherer in GIMP, if you have it

27 Jun 2023 at 22:33 | Open on tech.lgbt
lhp

@neauoire Naive RNG based dithering is actually quite simple to implement, should you have a way to load an image, iterate over its pixels and save it again. Also really fun to play around with. I used python with open-cv for exactly that a few weeks ago.

27 Jun 2023 at 23:36 | Open on mastodon.social
David JONES

@neauoire (I have a Python dithering tool). Is the Go on Pinebook problem for all Go code or just this particular tool? I've been considering porting the ditherer.

28 Jun 2023 at 7:44 | Open on typo.social
Devil Lu Linvega

@drj it's just my go installation that's messed up. I was able to get a precompiled version of the tool and it works now :)

28 Jun 2023 at 14:36 | Open on merveilles.town
David JONES

@neauoire yay. i'm on go 1.16 because i don't like it when i upgrade and it gets messed up.

28 Jun 2023 at 14:42 | Open on typo.social
Job

@neauoire If you feel like experimenting with threshold maps, here's an 8-bit variation of interleaved gradient noise:

noise(x, y) = (142 * x + 79 * y) & 255

Should be trivial to implement in uxn, no?
2 Jul 2023 at 10:28 | Open on vis.social
Devil Lu Linvega

@vanderZwan yeah that's an easy one to port :) have you tried it?

2 Jul 2023 at 15:14 | Open on merveilles.town
Job

@neauoire if you mean in uxn, no, because I wouldn't know how to load an arbitrary image file. If you have some pointers to how to make a CLI that can read an image file and then create a new one, this could be a neat first attempt at a uxn rom for me actually :).

If you mean trying it out for dithering in general, then yes: I have an ObservableHQ notebook that has it as one possible noise map. It also experiments with mixing it with a sharpening filter:

observablehq.com/d/8e32d923e41

@neauoire if you mean in uxn, no, because I wouldn't know how to load an arbitrary image file. If you have some pointers to how to make a CLI that can read an image file and then create a new one, this could be a neat first attempt at a uxn rom for me actually :).

If you mean trying it out for dithering in general, then yes: I have an ObservableHQ notebook that has it as one possible noise map. It also experiments with mixing it with a sharpening filter:

2 Jul 2023 at 16:05 | Open on vis.social
Devil Lu Linvega

@vanderZwan yeah, I meant in uxn, it'd be a good way to break into it, it's a pretty straight forward project to implement. There's lots of image parsing code around that you could base yourself on if you wanted to give it a try :)

2 Jul 2023 at 16:07 | Open on merveilles.town
Job

@neauoire I'll have a look around and maybe give it a shot!

But I'm saying this in an "explicitly *not* calling dibs on this"-manner, because I have a six month old and I know I have no spare time for creative coding for a while anyway ;)

2 Jul 2023 at 16:23 | Open on vis.social
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