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[challenge entry] No need to change Teletext. Just make everyone buy 12 TVs to pump up the resolution

From the Save Teletext challenge. See all 132 entries (closed)

(I helped save b3ta! sepang 's favourite day is, Wed 29 Jul 2009, 23:02, archived)
# i want 12 t.v's!
you have reminded me of my painful longing :(
(I helped save b3ta! Smash Monkey lowering the tone of the whole internet, Wed 29 Jul 2009, 23:05, archived)
# I was really disappointed earlier to find their website looked like that.
(I helped save b3ta! zeltergiset, Wed 29 Jul 2009, 23:05, archived)
# hehe
argh, this challenge is really pissing me off. I just want to pixelate an image but I keep getting crappy half and half pixels on borders. There must be stupidly simple way of doing it but I cant google it because it just keeps trying to get me to make my low res become high res and I want the other way round. I just want to basically divide an image up into a grid of my new pixel size and fill each square of the grid with the colour that dominates that square. Anyone know how I can do this? It must be so simple...
(gtfomh, Wed 29 Jul 2009, 23:08, archived)
# Mosaic filter might be a start to get what you want
(I helped save b3ta! sepang 's favourite day is, Wed 29 Jul 2009, 23:09, archived)
# I've tried that
but it gives half/half pixels on boundaries, so around the edges of an image for example, it make it part transparent. I want it to have solid blocks all the way round so I can make high res look like low res
(gtfomh, Wed 29 Jul 2009, 23:12, archived)
# Are you using Photoshop?
You could draw it small, then scale it up with Image Size, using the 'Nearest Neighbour' setting.

edit: You can also get a square brush, and do View > Show Grid and View > Snap To> Grid
(I helped save b3ta! Kamikaze Stoat £4.09, Wed 29 Jul 2009, 23:12, archived)
# thanks
It looks like I can play around with nearest neighbour shrinking/enlarging and get a blocky effect that way. I have tried using a square brush but it doesn't seem to want to let me change the hardness and it seems to end up blurred at the edges. I also investigated using the grid, but couldnt even work out how to change the size of it.
(gtfomh, Wed 29 Jul 2009, 23:25, archived)
# Pencil tool instead of a brush should mean it's all or nothing.
(I helped save b3ta! Kamikaze Stoat £4.09, Wed 29 Jul 2009, 23:44, archived)
# You could do it manually by selecting an area you want to be one pixel and blurring it to fuck
Giving you the average colour
(I helped save b3ta! zeltergiset, Wed 29 Jul 2009, 23:13, archived)
# that's kinda the trouble
I think the mosaic thing does something similar. I don't want the average colour which I think is what it's giving me. I want the whole "pixel" to be the colour that fills it the most.
(gtfomh, Wed 29 Jul 2009, 23:17, archived)
# Posterize after Mosaic.
That'll kill off any half bits left over.
(I helped save b3ta! Tahkcalb ω∞ for sigs, Wed 29 Jul 2009, 23:26, archived)
# Have you tried turning it off and on again?
(I helped save b3ta! epiphany coming live from sweden, Wed 29 Jul 2009, 23:14, archived)
# no
I'm keeping that one in reserve, just in case.
(gtfomh, Wed 29 Jul 2009, 23:26, archived)
# Great . . . I only need nine more !
(I helped save b3ta! Valin I changed glasses while I wasn't looking, Wed 29 Jul 2009, 23:11, archived)