r - Can I get coordinates of the circle created by `floating.pie` function in `plotrix`? -


i wondering how can x, , y values forming "circle" of pie chart produced "plotrix" package in r?

as example, how can x, , y values making "circle" of pie chart produced the r code below:

install.packages('plotrix') library("plotrix")  plot(1:5, type="n", xlab="x", ylab="y",xpd=t) floating.pie(3, 3, 1, col="white", radius=1)

you can obtain on own using polar coordinates. , floating.pie doing same.

let radius, edges, xpos , ypos same feed floating.pie, circle determined following points:

radius <- 1; edges <- 200; xpos <- ypos <- 3  x <- radius * cos(seq(0, 2 * pi, length = edges)) + xpos y <- radius * sin(seq(0, 2 * pi, length = edges)) + ypos circle <- cbind(x, y)  plot(1:5, asp = 1)  ## set axis ratio 1:1 polygon(circle)

enter image description here


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