R devel - Jan 2001 - screen can't go back to (split) screen with log="y" plot (PR#831)

Hi.  Let's try to explain the subject line with some code:
> split.screen (c(2,1))
[1] 1 2
> screen(1)
> plot (1:2, 1:2, log="y", main="1")
> screen (2)
> plot (1:2, 1:2, main="2")
> screen (1)
Error in par(.split.screens[[n]]) : invalid value specified for graphics
parameter "yaxp".
> close.screen(all=TRUE)
Let's add comments:
> split.screen (c(2,1))
[1] 1 2

OK, plot in the top half screen:
> screen(1)
> plot (1:2, 1:2, log="y", main="1")
> par("yaxp")
[1]  1  2 -5

OK, switch to bottom half:
> screen (2)
> plot (1:2, 1:2, main="2")
> par("yaxp")
[1] 1 2 5

OK, looks fine, let's go back up:
> screen (1)
Error in par(.split.screens[[n]]) : invalid value specified for graphics
parameter "yaxp".

Bummer.
> close.screen(all=TRUE)
Somehow I'm hoping you'll tell me I'm doing something wrong, because
I'd really would like to be able to do the following:
  repeat {
    #calculate
    screen(1)
    #fancy plot
    screen (2)
    #even fancier plot ;-)
    if (user.bored()) break
  }
Which is roughly what I was doing when the error messages started
popping up.

Thanks,
  -tom

--please do not edit the information below--

Version:
 platform = i386-pc-linux-gnu
 arch = i386
 os = linux-gnu
 system = i386, linux-gnu
 status = 
 major = 1
 minor = 2.1
 year = 2001
 month = 01
 day = 15
 language = R

Search Path:
 .GlobalEnv, package:ctest, Autoloads, package:base



-- 
mailto:tov@ece.cmu.edu (Tom Vogels)   Tel: (412) 268-6638   FAX: -3204


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