Okay first of all I am a spiteful bitch because the "filter is being gatekept" or something. Onto >picrelI want to achieve the top effect on the bottom image. I assume GIMP was used to some effect (at least I managed to recreate the image as close as I could in GIMP). I zoomed into the pixels because that's the best way I can showcase the difference. Like, I understand it's basically every second pixel or so getting erased but I can't recreate it perfectly. I'm currently experimenting with stuff, any pointers to get so I can progress on this?
>>1497126Wouldn't you make a checkerboard and then use a blend mode to apply it to the original image? Alternatively, use the checkerboard as a transparency layer - I think that's a Krita specific thing though.My attempt here worked fine ok. I used the Gmic plugin of krita (GIMP also has a plugin, idk if it's built in though) to make the checkerboard layer containing white and transparent squares, then used the erase blend mode.
>>1497135Zoomed in, showing the transparent checkerboarding
>>1497135>>1497136Erased some parts of the original image to test blending
>>1497135This is close but not quite... I also attempted to make some sort of plugin myself on GIMP>https://rentry.co/bxzcqa2fI am not good at coding like at all. There's not even a preview. It does get close to that effect I want though.
>>1497143Not quite in what way?
Dunno about gimp specifically but every other editor lets you ctrl+click a layer to select all the filled pixels in that layer.So if you want to erase pixels in some pattern. Fill a layer with that pattern, ctrl+click it, switch to original layer and delete.Another option would be using clipping mask if you want non-destructive editing. Again, dont know specifics for gimp.
>>1497126the more general term for this is "dithering" (specifically, ordered dithering).in your case there's a single checkerboard pattern, but often various patterns are needed to represent other opacities (checkers being 50%).for Photoshop you have stuff like this: https://abductedplatypus.itch.io/dither-brushesfor pixel art, apps like Aseprite should include this functionality by default.I don't know of any ready-made plugins/brushes for GIMP, but you can e.g. fill the entire canvas with color #808080, then go to Image > Mode > Indexed, pick 1-bit palette, and enable Positioned dithering below. this should produce the checkerboard pattern over the entire image. for other colors it will do a different pattern.note that there's a "dither transparency" option there as well, if you're fine with your RGB channels in indexed mode.
>>1497126There are 2 sets of repeating patterns and you are just using 1.The issue is they are using a larger repeating pattern. You're attempt uses a small checkered pattern. The color for the repeating pattern matches the line art. Over that dark pattern there is a second pattern that goes over the darker pattern. Pic related was made in Photoshop. I have no clue how to use GIMP.
>>1497164
>>1497164gimp uses checkers as transparency background just like photoshop does.ignore the grey pattern, I'm fairly sure OP just wants checkered alpha.possibly in 3 or more "colors" (values) rather than simply 1-bit black/white, though that seems unlikely.
>>1497168Yes, that's it. There's a combination of darker pixels and some pixels set to alpha. With the plugin, I can set some pixels to darker hues but not to alpha (though a tactic here could be selective set fully to black then color to alpha into black? ) By the way, morning people, I'll get to trying more things out.
>>1497170I like how I made a pythonfu pluginbut as it turns out, there is a checkerboard filter under the render submenu in filters, though i guess i haven't found a way to make it remove already existing pixels, so i guess it wasn't a complete waste of time.
>>1497145Actually, that was a question I sat upon for a while. I think the effect used was sort of like, a blend-dissolve into alpha which I still cannot replicate (but out of this venture and the kind anons that replied, I picked up a bunch of things that I did not know, since graphic design itself is more like a hobby I come back to once in a while)
>>1497186Ohh, I get it. the purpley colour on the left goes between the checkerboarded blue section a bit. Hmmmmmmm, that's a hard one. Perhaps you could replicate it with a custom brush in Krita
>>1497126You mean dithering? Look at the documentation for ImageMagick. It uses dithering when converting a picture to monochrome, and you can probably customize it
