On Tue, 02 May 2000 12:42:58 -0400, Glen Berry <7no### [at] ezwvcom>
wrote:

>Hmmm, I wonder if interpolation is the correct term to use when
>talking about up-sizing an image? Would the more technically correct
>term actually be extrapolation? It would seem that way to me, but I
>have never heard anyone refer to it like that.

Interpolation it is. If you scale an image up 8 times, the only values
you know for certain are those located at pixels with coordinates
which are exactly divisible by 8. The ones in between have to be
interpolated.


Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] usanet
TAG      e-mail : pet### [at] tagpovrayorg

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