> From: Wayne Harridge <jnlaruneevqtr@xxxxxxxxxxxxxxx>
>
> If I have a scanner which has a native resolution of 4800 ppi but I
> then scan at 1200 ppi, how is that handled by the scanner ? Does
> the scanner just use 1 pixel of each 4 or does it average over the 4
> pixels ?
You can bet that only the firmware developers know for sure. And
they're all dead. :-)
My guess is that if it's a newer scanner, they scan at full res and
down-sample in software. In the old days, there used to be a speed
advantage to pixel-picking tricks, but I suspect no longer.
:::: "I feel frustrated that whenever I have a comment or criticism
about your behavior, you immediately turn it back onto me." ::::
:::: "But what about you; you do the same thing!" ::::
:::: Jan Steinman, EcoReality <http://www.EcoReality.org> ::::
--
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