Pixel Joint Forum: demystifying Anti Aliasing O_O

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   hello pixel joint, i have very stupid question, but please bear with me i am a beginner thank you   

i have read a lot of things about AA but i still don't understand why we replace some of the outline with the buffer shade... is it necessary ? what's the theory behind it ?

Edited by [VIII] - 16 January 2014 at 2:25am

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[VIII] Seaman Joined: 31 January 2014 Online Status: Offline Posts: 2	Topic: demystifying Anti Aliasing O_O Posted: 16 January 2014 at 2:15am
	hello pixel joint, i have very stupid question, but please bear with me i am a beginner thank you i have read a lot of things about AA but i still don't understand why we replace some of the outline with the buffer shade... is it necessary ? what's the theory behind it ? Edited by [VIII] - 16 January 2014 at 2:25am
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jalonso Admiral Joined: 29 November 2022 Online Status: Offline Posts: 13537	Posted: 16 January 2014 at 7:26am
	It is needed because the buffer shade is what visually softens the jaggy and the brain adjusts to read. There more on this in cure's pa thread and the noobtorial thread too.
	PJs FAQ <•> Sticky Reads
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Hapiel Rear Admiral Joined: 30 June 2023 Online Status: Offline Posts: 3266	Posted: 16 January 2014 at 12:05pm
	It is needed because if you have a 1 px line and you want to apply AA it will look thicker. For this you replace the outline with an extra thick portion of the buffer shade, because of the lighter color it will still look a bit like 1px thick lines of the line color. Of course once you start with AA you don't need to stick with a 1px line. Having a 1.5 px line (surrounded by buffer everywhere) or a dynamically changing line can be interesting too!
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Hypnos Seaman Joined: 19 November 2013 Online Status: Offline Posts: 19	Posted: 16 January 2014 at 9:44pm
	a lighter shade line appears thinner than a dark shaded line ,so this is why the replace some of the outlines with the buffer shade to trick the brain and controle the thikeness of the line, like Hapiel and Jalonso explained Edited by Hypnos - 16 January 2014 at 9:52pm
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[VIII] Seaman Joined: 31 January 2014 Online Status: Offline Posts: 2	Posted: 16 January 2014 at 9:55pm
	@Jalonso thank you , will check those tutorials :) @Hapiel well explained , now its more abvious than before :) @Hypnos thank you :)
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