Tom's Hardware > Forum > Graphic & Displays > Graphics Cards > The pixel - Squared or Round!!
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boyaka   10-21-2002 at 03:09:59 PM

I always thought that the pixel was squared, until today the professor of my Computer Graphics course described the pixel as circular. When i came up to him after the class, he insisted that the pixel was more of a blob and he sited the book "Computer Graphics: Principles and Practice" by Foley as reference. Does anyone know for sure the shape of the pixel??? Even the tomshardware article "Birth of the Pixel" does not mention the shape of the pixel. Any info is appreciated!

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johnoh   10-21-2002 at 05:05:26 PM
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Way back when I had a 13" cga monitor on my PCjr it sure looked like they were round.

John A

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Ghostdog   10-21-2002 at 06:29:28 PM
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But if you zoom in on a image real close they look quite square.

<font color=red>I´m starting to feel like a real computer consultant.</font color=red>

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coolcat   10-21-2002 at 07:39:16 PM
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By looking really close to my 15" LCD they sure look square.

:mad: Are you talkin' to me? :mad:
:cool: That means you know martian :cool:

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phsstpok   10-21-2002 at 08:15:10 PM
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Aperture grill monitors (like Sony Trinitron) have square pixels.

Shadow Mask monitors have round pixels (or nearly so).

<b>I type sixty words per minute. Ten are spelled correctly.</b>

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knowan   10-21-2002 at 09:05:46 PM
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Last I heard they were working on triangular pixels so that they can fit then together tighter.

This is the first I heard of square pixels, I thought that they were all round. I don't know about LCD's, I think those are rectangular.

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boyaka   10-21-2002 at 09:23:26 PM
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Regardless of what type of monitor (CRT,LCD or even TV) ur using, the way an image pixel is represented is the same at the Graphic card level and should have the same shape independent of ur display type...It's true I also heard they were researching triangular even hexagonal shapes but I don't think they applied it yet...the thing that really confuses me is that if the pixel was round then there would be a lot of empty spaces in an image...shouldn't we be able at least see those empty spaces?
Thnx for the replies

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phsstpok   10-23-2002 at 01:23:49 AM
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This should explain why pixels have different shapes in CRTs.

<A HREF="http://www.pctechguide.com/06crtmon.htm" target="_new">http://www.pctechguide.com/06crtmon.htm</A>

LCD panels also have square/rectangular pixels and are very distinctive because each subpixel (pixels are made up of red, green, and blue subixels) is actually one liquid crystal cell.

<b>I type sixty words per minute. Ten are spelled correctly.</b><P ID="edit"><FONT SIZE=-1><EM>Edited by phsstpok on 10/22/02 07:36 PM.</EM></FONT></P>

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Flamethrower205   10-23-2002 at 02:23:52 AM
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Dude, where ya been? I love that name!!

What if you had admin rights to life?

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