[R] pie initial angle

Adrian Dusa dusa.adrian at gmail.com
Tue May 29 12:53:14 CEST 2007

Dear all,

I'd like to produce a simple pie chart for a customer (I know it's bad but 
they insist), and I have some difficulties setting the initial angle.
For example:

pie(c(60, 40), init.angle=14)


pie(c(80, 20), init.angle=338)

both present the slices in the same direction, where:

pie(c(60, 40))
pie(c(80, 20))

present the slices in different directions.

I read everything I could about init.angle argument, I even played with 
various formulas to compute it, but I just can't figure it out.
How can I preserve the desired *direction* of the slices?

Many thanks in advance,

Adrian Dusa
Romanian Social Data Archive
1, Schitu Magureanu Bd
050025 Bucharest sector 5
Tel./Fax: +40 21 3126618 \
          +40 21 3120210 / int.101

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