Does anyone know of a function to plot a geologic time scale as a series of
concentric circles on a circularly plotted tree?
As far as I can tell there are three available functions that can do this on a
But none of these works with a circular tree, as far as I can tell. It
shouldn’t be too hard to code this manually as a series of concentric circles
(going try that now), but I figured I’d ask here in case someone has already
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