I have the same problem. I am using R on our bioinformatics server. From what
I have read jpeg() needs to use a widows graphics device like X11 to be able
to generate a jpeg file.
I am also very curious to see if anyone knows a solution, now I need to use
pdf() of ps() which is more time consuming and uses more diskspace.
> jpeg()
Error in X11(paste("jpeg::", quality, ":", filename, sep =
""), width, :
unable to start device JPEG
In addition: Warning message:
In jpeg() : unable to open connection to X11 display
''> capabilities()
jpeg png tcltk X11 http/ftp sockets libxml fifo
FALSE FALSE TRUE FALSE TRUE TRUE TRUE TRUE
cledit iconv NLS profmem
TRUE TRUE TRUE FALSE
Haiyan Pan wrote:>
> r-help，
> When I want to use jpeg() in R-2.1.1 which is installed in linux platform
> to generate a jpeg file, the error occurs as following:
>
> > jpeg()
> Error in X11(paste("jpeg::", quality, ":", filename,
sep = ""), width, :
> unable to start device JPEG
> In addition: Warning message:
> unable to open connection to X11 display ''
>> capabilities()
> jpeg png tcltk X11 http/ftp sockets libxml fifo
> FALSE FALSE TRUE FALSE TRUE TRUE TRUE TRUE
> cledit IEEE754 iconv
> TRUE TRUE TRUE
>
> X11 device is existed in this machine, would you suggest me how to resolve
> this problem.
> Many thanks for your help and it will be greatly appreciated!
>
>
>
> = = = = = = = = = = = = = = = = = = = =
>
> Haiyan Pan
> hypan@scbit.org
>
> Tel: 021-64363311-123
> Shanghai Center for Bioinformatics Technology
> Floor 12th,100# QinZhou Road
> Shanghai,China,200235
>
>
> ______________________________________________
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