>From simple geometry pie(c(x, y), init.angle=(300+y/2*360/100)-360)
shall do what you request. Although I am not sure if it is wise. Regards Petr [EMAIL PROTECTED] [EMAIL PROTECTED] napsal dne 29.05.2007 13:30:06: > Hi > > [EMAIL PROTECTED] napsal dne 29.05.2007 12:53:14: > > > > > 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) > > > > and > > > > pie(c(80, 20), init.angle=338) > > > > both present the slices in the same direction, where: > > I presume you misunderstand init angle. Above statements points an arrow > of both slices to the similar direction but slices starts at different > initial angles. > > > > > pie(c(60, 40)) > > pie(c(80, 20)) > > > > present the slices in different directions. > > The arrow slices point to different direction **but** they both **start** > at the same initial angle 0 deg. > > > > > 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? > > You probably need to compute initial angle based on proportions in your > pie chart (If you really want each pie chart starting at different > position). > > Regards > Petr > > > > > Many thanks in advance, > > Adrian > > > > > > -- > > Adrian Dusa > > Romanian Social Data Archive > > 1, Schitu Magureanu Bd > > 050025 Bucharest sector 5 > > Romania > > Tel./Fax: +40 21 3126618 \ > > +40 21 3120210 / int.101 > > > > ______________________________________________ > > R-help@stat.math.ethz.ch mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.