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Perfect dithering

Printed From: Pixel Joint
Category: The Lounge
Forum Name: Resources and Support
Forum Discription: Help your fellow pixel artists out with links to good tutorials, other forums, software, fonts, etc. Bugs and support issues should go here as well.
URL: https://pixeljoint.com/forum/forum_posts.asp?TID=21075
Printed Date: 14 September 2025 at 1:47am


Topic: Perfect dithering
Posted By: Limes
Subject: Perfect dithering
Date Posted: 25 January 2015 at 7:42pm
I don't seem to understand dithering, I mean I can make the checker board stuff. But what I am talking about is people who so flawlessly dither so that with little colours you can get some amazing looks, I mostly see stuff like this in the sky. Here is an example.



If anyone could explain the mechanics I would be very grateful.

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I use GraphicsGale



Replies:
Posted By: DawnBringer
Date Posted: 25 January 2015 at 10:30pm
That there, is a dither approximating http://en.wikipedia.org/wiki/Ordered_dithering - Ordered dithering ; the application of a treshold matrix (as in contrast to error-diffusion performed by algorithms as Floyd-Steinberg). More simply, one is producing a symmetrical pattern with different proportions of two colors. These patterns will/can then seamlessly transition between areas with different proportions over any distance (depending on the colors that one is trying to simulate).

Yeah, it's kinda confusing when explaining the technical nature of it :/ ... just study, practice and try to develop a natural feeling for it.

Another thread with more on Ordered dithering http://www.pixeljoint.com/forum/forum_posts.asp?TID=18432&KW=ordered+dither&PID=184219#184219 - Here


Posted By: Limes
Date Posted: 25 January 2015 at 10:49pm
Thanks DB Ill give it a go.

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I use GraphicsGale



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