Nothing
zeroAxes <-
function(col='blue') {
abline(v = 0, h = 0, col=col, lwd=.5) ## Axes
# scx = (max(xy[,1])-min(xy[,1]))/100
# scy = (max(xy[,2])-min(xy[,2]))/100
# lines(scx*cos(seq(0, 2*pi, l=100)), (scx)*sin(seq(0, 2*pi, l=100)),col=col,lwd=.5)
}
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