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Re:How to draw ugly lines fast by gopla on Tuesday December 20, 2022 @12:23PM (#34069048)
Here is an article that explains subpixel precision, with animations that show the effect.

https://kristoffer-dyrkorn.github.io/triangle-rasterizer/

Re:How to draw ugly lines fast by evancox100 on Tuesday December 20, 2022 @01:09PM (#34069766)
Thanks, I had no idea what was meant by sub-pixel, starting from section 6 of your link will explain this and show the smoothed animation.

(By sub-pixel they mean more finely determining the endpoints of the lines on an arbitrary grid finer than the output pixels — NOT physical display sub-pixels.)