Smooth gradients are unnecessary in PCB artwork, but laser photoplotting still benefits from anti-aliasing of edges

https://www.mediafire.com/file/v0toetg0as4q8sr/pdf-25450-56847.pdf/file

Smooth gradients are unnecessary in PCB artwork, but laser photoplotting still benefits from anti-aliasing of edges, producing cleaner arcs and diagonal traces that etch predictably and pass AOI.