[R] Circular plot

swaraj basu projectbasu at gmail.com
Mon Feb 13 17:33:31 CET 2017

I want to plot segments deleted from mitochondrial DNA of patients with
neuromuscular disorders. I generate the plot on a linear chromosome using a
code similar to as shown below


segments(dat$start, dat$score, dat$end, dat$score, col=dat$col, lwd=3)

Since the human mitochondria is a circular genome, I would like to
visualise the plot generated above as a circle where all segments with
positive score lie inside the circle and those with negative score lie
outside. Attached is a representation of my requirement, although here it
is manually drawn. Can someone help me on this?

Swaraj Basu
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