Re: distortion (domes, etc)

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Angus Dorbie (dorbie++at++bitch.reading.sgi.com)
Wed, 19 Feb 1997 21:02:33 +0000

On Feb 19, 8:29am, Steve Baker wrote:
> Subject: Re: distortion (domes, etc)
>

> That approach is OK for fairly mild distortions - but for drastic ones you
> can suffer from a lack of pixel resolution in some areas of the screen - and
> an excess of resolution (which will cause aliasing) in others.
>

You can avoid the worst of this by having multiple primary channels
at varying resolutions. The bilinear filtering means you get away with
a lot in both directions, magnification and minification.

Cheers,
Angus.
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