Ask HN: How does software smooth lines?

[theterriblestid]

Photoshop and other digital paint apps have a “smoothing” option that causes lines drawn to be curvier. What’s the math of it?

[gus_massa]

I'm not an specialist, but you can start with https://en.wikipedia.org/wiki/Spatial_anti-aliasing

[billconan]

you can read https://en.wikipedia.org/wiki/B-spline

most of them simply use a lasso method.