Have you compiled R yourself?
If so, you probably have the header files for png and friends support
not installed. If you have a binary install, the one who compiled R for
you have not had it.
Uwe Ligges
Martial Sankar wrote:> Hello,
>
> I 've just re-installed R 2.9.0 on ubuntu 9.04.
>
> I do not understand why I am unable to use simple device function such as
jpeg(), png()...
>
>> png()
> Error in X11(paste("png::", filename, sep = ""), width,
height, pointsize, :
> unable to start device PNG
> In addition: Warning message:
> In png() : no png support in this version of R
>
>
>> capabilities()
> jpeg png tiff tcltk X11 aqua http/ftp sockets
> FALSE FALSE FALSE FALSE TRUE FALSE TRUE TRUE
> libxml fifo cledit iconv NLS profmem cairo
> TRUE TRUE FALSE TRUE TRUE FALSE FALSE
>
> It's not really a problem because i use cairo but i would like to know
the source of this error.
>
> I checked the library as proposed in previous post :
>
> https://stat.ethz.ch/pipermail/r-help/2005-December/085177.html
>
> but all of them (libpng, libjpeg...) are already installed.
>
> Did someone ever find the source of this R Error ?
>
> Thanks !
>
> - Martial
>
>
>
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