>Mike Wrote:
>Ah. Its sub pixel positioning. (a rose by any other name wouldn't be as
alliterative as a ppp name)

I banged my head against a wall for days trying to get smooth shading of 3d
objects correct. (assembler on a 1980's ECL super computer) until the light
went on and I used center pixel coordinates for the color calculations. The
integer x/y pixel positions didn't cut it. Had to go center pixel floating
point.

Ralph DiMola
IT Director
Evergreen Information Services
rdim...@evergreeninfo.net



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