on.exit(par(old.par)) warnings

Marc Schwartz · 2003-05-12T22:47:31Z

>-----Original Message----- >From: r-devel-bounces@stat.math.ethz.ch >[mailto:r-devel-bounces@stat.math.ethz.ch] On Behalf Of Paul Gilbert >Sent: Monday, May 12, 2003 3:33 PM >To: R-devel@stat.math.ethz.ch >Subject: [Rd] on.exit(par(old.par)) warnings > > >I often use something like > > old.par on.exit(par(old.par)) > >but in R 1.7.0. I now get warnings: > >> old.par > par(old.par) >Warning messages: >1: parameter "cin" can't be set i

Marc Schwartz

Mon, May 12, 2003 3:47 PM

Paul,

You should be using:

old.par <- par(no.readonly=TRUE)
on.exit(par(old.par))

Without the  'no.readonly=TRUE' in the first call, you will store and
then try to set non-user adjustable (read only) parameters, hence the
warning.

HTH,

Marc Schwartz

Thread (4 messages)

Paul Gilbert on.exit(par(old.par)) warnings May 12 Marc Schwartz on.exit(par(old.par)) warnings May 12 Brian Ripley on.exit(par(old.par)) warnings May 12 Paul Gilbert on.exit(par(old.par)) warnings May 12