A) You probably need to provide more information, see this post:
B) Like @Tom_P said, you can subdivide a curve and draw a polyline through the resulting points:
240307_DivideCurve_00.gh (5.0 KB)
A) You probably need to provide more information, see this post:
B) Like @Tom_P said, you can subdivide a curve and draw a polyline through the resulting points: