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Tch
Account closed
Registered: Sep 2004
Posts: 512 |
Anti-Aliasing
I thought I understood but I am confused again.
What the hell is Anti-aliasing? |
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Scout
Registered: Dec 2002
Posts: 1568 |
The smoothing of edges.
And you're already using that technique :)
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Commodore 64 Scenemusic Podcast
http://8bitmayhem.blogspot.com/ |
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Tch
Account closed
Registered: Sep 2004
Posts: 512 |
That´s it??
Hmm,that´s basic pixeling,it doesn´t need an exotic name. :P |
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Cruzer
Registered: Dec 2001
Posts: 1048 |
In the world of IT, everything that can have a name has an exotic name, just so people can sound smart. Haven't you learned that yet? :)
Anyway, guess the expression comes from gfx algorithms, like line drawers. And in all fairness, it is easier with a name for a concept, rather than having to explain it all the time. |
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Scout
Registered: Dec 2002
Posts: 1568 |
Quote:In the world of IT, everything that can have a name has an exotic name, just so people can sound smart. Haven't you learned that yet? :)
We were already making "realtime rendered animated multimedia software" back in the 80s.
Only it was called a demo.
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Commodore 64 Scenemusic Podcast
http://8bitmayhem.blogspot.com/ |
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jailbird
Registered: Dec 2001
Posts: 1576 |
A quite rough definition would be that anti-aliasing is a tehnique to smooth up stairway-like curved edges (mostly produced by the combination high contrast and low resolution) by putting middle-value colors inbetween different x/y pixel levels. If you'd like a visual example on your PC, load up Photoshop, write something with the text tool and turn antialiasing to 'none'. You'll note the difference immediately.
Frankly, I have not seen Tch using a-a too much (UFLI in general), however, that haven't took out a single bit out the very high technical value of his amazing works. That's just an example that antialiasing is not always necessary for making extraordinary graphics.
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Bizzmo
Account closed
Registered: Mar 2005
Posts: 82 |
And I bet someone is going to try and tell me that "dithering" is just putting two different colours/shades in alternate pixels... |
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TDJ
Registered: Dec 2001
Posts: 1879 |
I'm still waiting for somebody to explain to me what 'pixelling' actually is. |
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Oswald
Registered: Apr 2002
Posts: 5022 |
http://en.wikipedia.org/wiki/Antialiasing
(and lookie what have I found http://en.wikipedia.org/wiki/Pixel_Art one of the example images is a c64 koala :D ) |
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Graham
Account closed
Registered: Dec 2002
Posts: 990 |
"Pixeling" seems like a C64 scene term to me, just like "part" (demopart). "Parts" are called "Pages" in the Atari scene for example :) |
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HCL
Registered: Feb 2003
Posts: 717 |
You can think of anti-aliasing as faking a higher resolution, thus each pixel is a merge of 2x2 or 4x4 pixels. If you apply that idea on an outline, each pixel gets some amount of the forground object color, and some other amount of the background color. Merge that in your head and choose the nearest usable color :).
That's in fact exactly how a-a works in some rendering programs. Generate a picture in 640x400 and reduce it down to 320x200 by merging pixels. Not really efficient but.. |
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