[R] helix spring in R

Dear useRs, Is there a way to draw helix spring in R of desired diameter and number of turns? regards, Eliza [[alternative HTML version deleted]] __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/ma

[R] vertical semi-circles in R

Dear useRs, I am to teach my students some drawing techniques in R. I started shape of an handle by using the following codes; >plot(0,0,col="white") >segments(0,0,0.3,0.3) >segments(0.3,0.4,0.3,0.3) >segments(0.3,0.4,0,0.7) >segments(0,0.7,0,0.6) >segments(0,0.0,0,0.1) The coding will dr