Quote:
Originally Posted by huhn
i guess i did the math wrong but you have thinked about it so it is fine.
and i can't test it.
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Well, if you think about it, the image needs to be downscaled vertically by 2x first. After that a 0.25 pixel shift is the same as a 0.5 pixel shift before downscaling. So we're probably both right, depending on whether we talk about the pixel shift before or after downscaling. Anyway...