R help - Mar 2012 - "figure margins too large" in RGtk2 drawing area as cairo device - why?

When using a gtkDrawingArea as a Cairo device I very often encounter the error:
"figure margins too large"
Even for the below "getting started" example from
http://www.ggobi.org/rgtk2/ this is the case.
> win = gtkWindow()
> da = gtkDrawingArea()
> win$add(da)
> asCairoDevice(da)
[1] TRUE
> plot(1:10)   
Fehler in plot.new() : Grafikr?nder zu gro?
> 
Also enlarging the drawing area does not help.
> win = gtkWindow()
> da = gtkDrawingArea()
> win$add(da)
> asCairoDevice(da)
[1] TRUE
> da$setSizeRequest(700, 700)
> plot(1:10)   
Fehler in plot.new() : Grafikr?nder zu gro?

Any ideas?
Thanks in advance.
--Mark

PS. My system:

R version 2.14.1 (2011-12-22)
Platform: i386-apple-darwin9.8.0/i386 (32-bit)
MacOS 10.6



????????????????????????????????????
Mark Heckmann
Blog: www.markheckmann.de
R-Blog: http://ryouready.wordpress.com

Mark Heckmann <mark.heckmann <at> gmx.de> writes:
> 
> When using a gtkDrawingArea as a Cairo device I very often 
> encounter the error:  "figure margins  too large" 
> Even for the below "getting started" example from 
> http://www.ggobi.org/rgtk2/   this is the case.

This can be avoided with the following:

library(RGtk2)
library(cairoDevice)
win = gtkWindow(show=FALSE)
da = gtkDrawingArea()
da$setSizeRequest(700, 700)

da$AddEvents(GdkEventMask["all-events-mask"])
gSignalConnect(da, "map-event", function(...) {
  asCairoDevice(da)
  return(TRUE)
})

win$add(da)
win$show()

plot(1:10)



.. snip ..
> 
> ????????????????????????????????????
> Mark Heckmann
> Blog: www.markheckmann.de
> R-Blog: http://ryouready.wordpress.com
> 
>

On Mar 8, 2012, at 20:27 , Mark Heckmann wrote:
> When using a gtkDrawingArea as a Cairo device I very often encounter the
error: "figure margins too large"
> Even for the below "getting started" example from
http://www.ggobi.org/rgtk2/ this is the case.
> 
>> win = gtkWindow()
>> da = gtkDrawingArea()
>> win$add(da)
>> asCairoDevice(da)
> [1] TRUE
>> plot(1:10)   
> Fehler in plot.new() : Grafikr?nder zu gro?
>> 
> 
> Also enlarging the drawing area does not help.
> 
>> win = gtkWindow()
>> da = gtkDrawingArea()
>> win$add(da)
>> asCairoDevice(da)
> [1] TRUE
>> da$setSizeRequest(700, 700)
>> plot(1:10)   
> Fehler in plot.new() : Grafikr?nder zu gro?
> 
> Any ideas?
I'd check the par() settings for the device. Especially mar/mai and cra/cin
to see whether margins are set unusually large and/or character sizes are
unusually big, but check help(par) yourself.

-- 
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com

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