on.exit(par(old.par)) warnings
From the help page's examples section
## Alternatively,
op <- par(no.readonly = TRUE) # the whole list of settable par's.
## do lots of plotting and par(.) calls, then reset:
par(op)
and no, it's not new and it is not a mistake (in R).
On Mon, 12 May 2003, Paul Gilbert wrote:
I often use something like old.par <- par(set someting) on.exit(par(old.par)) but in R 1.7.0. I now get warnings:
Note: that's not the same thing as the previous usage.
old.par <- par() par(old.par)
Warning messages: 1: parameter "cin" can't be set in: par(args) 2: parameter "cra" can't be set in: par(args) 3: parameter "csi" can't be set in: par(args) 4: parameter "cxy" can't be set in: par(args) 5: parameter "din" can't be set in: par(args) 6: gamma cannot be modified on this device in: par(args) Is this a mistake or a new feature? If it is a new feature, is there a simple way to avoid the warnings?
Brian D. Ripley, ripley@stats.ox.ac.uk Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595