[R] quartz() on MAC OSX

From: Rolf Turner <r.turner_at_auckland.ac.nz>
Date: Mon, 21 May 2007 18:14:27 +1200

I am (desperately) trying to get used to using a Mac here at my new location. (Why *anyone* would ever use anything other than Linux, except under duress as I am, totally escapes me, but that's another story.)

Fortunately much of the Mac OSX is actually Unix, so a civilized person can manage to carry on ... But there are some things. (Like this <expletive deleted> mailer ... But that's another story.)

When I ``open'' R using the icon on the ``dock'' several things are unsatisfactory; like I can't clear the screen using system("clear"), nor can I use vi syntax in command line editing. When I start R from the command line (as a civilized person would do) these unsatisfactory circumstances go away, but then a new one rears its ugly head: I can't plot!!! If I try a plot without explicitly opening a plotting device, a postscript device with file name ``Rplots.ps'' is silently opened. If I try opening a device with quartz() to get an on-screen plot, I get a warning message

quartz() device interactivity reduced without an event loop manager in: quartz()

And a little coloured wheel spins round and round and the quartz() window that opens hides underneath the terminal window and appears to be frozen to the spot.

Apparently ``it'' wants .Platform$GUI to be equal to "AQUA", but it is (under the circumstances) "X11".

Trying to open a device using x11() simply results in an error.

Is there any way to get a working on-screen graphics window under these circumstances?

I am very much hand-cuffed by the officious ITS policies here as to what I can install on my Mac. (Effectively, nothing.)

                                ``cheers'' (Hah!),

                                        Rolf Turner
                                        r.turner_at_auckland.ac.nz



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