[R] Impossible to get jpeg or png output

[Prof Brian Ripley]

Probably you have no write permission in the current directory.  That 
message means (as it says) that the process cannot open the file for 
writing, and that is not an R issue.

On Thu, 8 Feb 2007, Mahieux Dimitri wrote:

> Hi,
>
> When I want to output a png file, I have the following error message :
>
> Error dans X11(paste("jpeg::", quality, ":", filename, sep = ""), width,  :
>        inpossible de démarrer le périphérique JPEG
> De plus : Warning message:
> impossible d'ouvrir le fichier JPEG 'Test.jpeg'
>
> or in english
>
> Error in X11(paste("jpeg::", quality, ":", filename, sep = ""), width,  :
>        inpossible to start the JPEG peripheral
> Warning message:
> impossible to open the file JPEG 'Test.jpeg'
>
> I've checked the capabilities which give :
>
> > capabilities()
>    jpeg      png    tcltk      X11 http/ftp  sockets   libxml     fifo
>    TRUE     TRUE    FALSE     TRUE     TRUE     TRUE     TRUE     TRUE
>  cledit    iconv      NLS
>    TRUE     TRUE     TRUE
>
> So I don't understand why I can't have a jpeg file ( or png file because
> I've the same problem to)
>
> Any Idea ?
>
> Thx a lot
>
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-- 
Brian D. Ripley,                  ripley at 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)
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