What’s the easiest way to draw a circle but only from angle_1 to angle_2?
You can use the arc function.
Here is an example:
#let circle-segment(start, stop) = canvas({
import draw: *
let arc-color = rgb("#76BDE9")
//Draw the blue circle segment in three parts/lines/strokes
merge-path(
fill: arc-color,
stroke: none,
{
line((0,0), (start, 1))
arc((0,0), start: start, stop: stop, anchor: "origin")
line((0,0), (stop, 1))
})
//Draw the black start and stop lines
line((0,0), (start, 1.3))
line((0,0), (stop, 1.3))
})
The result could look something like this:
https://typst.app/project/rwkY7GDDuI8iy8QXzanAF2
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Thanks a lot, I was especially missing
arc(..., anchor:"origin")
Hi @M4R1S, thanks for your question! If you feel the response you got has sufficiently answered your question, be sure to give it a checkmark. This will help others find the solution in the future. Thanks!
(also, thanks @Mathemensch for fixing the line in your “full rotation” example, it was bugging me in the question’s example screenshot 
)
2 Likes