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"Alexander Enzmann" <xan### [at] mitre org> wrote in message
news:39D89FB5.1E8AC150@mitre.org...
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| Exactly as it should be - if 50% of the pixel is black (background), and
| 50% is red, then you should have a final pixel that is a dark red. If
| you don't do that, your final image will always look aliased (jaggy).
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| POV-Ray (as well as many other programs) uses the first method. It
| produces images that look correct in typical image viewers.
My commonsensical way of thinking tells me this original idea is to have a
invisible factor, something to antialias with that isn't color at all but in
fact a transparency info layer. Which is what Alpha Channel seems to
advertise. Red edge should go semitransparent is all, and when overlayed
later via post process in a piant program for example then the red edges
would be only shades of clear red.
Sorry, I'm just here to blab a little.
Bob
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