That is great, bitmap works. Now I have the problem that the gray levels are too bright. I tried using col="black" in the hist function, but that only fills the bars. The tick marks etc are all in a fainting gray... Any idea on how to get those darker???
Thanks again, Bernd |-----Original Message----- |From: Benilton Carvalho [mailto:[EMAIL PROTECTED] |Sent: Monday, October 29, 2007 1:26 PM |To: Duncan Murdoch |Cc: Bernd Jagla; r-help@r-project.org |Subject: Re: [R] Qsub - unable to open connection to X11 display | |But doesn't it suffice to replace png() by bitmap()? |b | |On Oct 29, 2007, at 12:47 PM, Duncan Murdoch wrote: | |> On 10/29/2007 12:06 PM, Bernd Jagla wrote: |>> Hi there, |>> |>> |>> |>> I want to run an R script on a cluster with qsub. Obviously I |>> don't want to |>> display any X window, but I want use png() or something else to |>> write out |>> images. |>> |>> Unfortunately I get the following error message: |>> |>> |>> |>>> png(filename = " ALL.png", width = 480, height = 480, pointsize = |>>> 12, bg = |>> "white", res = NA) |>> |>> Error in X11(paste("png::", filename, sep = ""), width, height, |>> pointsize, |>> : |>> |>> unable to start device PNG |>> |>> In addition: Warning message: |>> |>> unable to open connection to X11 display '' |>> |>> Execution halted |>> |>> |>> |>> When X11 is working everything works fine. |>> |>> |>> |>> Is there a way to make this work without X11? |>> |>> |>> |>> Or, how would I simulate an X11 environment (including the correct |>> DISPLAY |>> variable) on a cluster node? |> |> Xvfb is the usual trick to fake an X11 environment without a display. |> (It's a "virtual frame buffer" X server.) I don't know if PNG works |> with it or not. |> |> Duncan Murdoch |>> |>> |>> |>> I appreciate any comments or suggestions. |>> |>> |>> |>> Thanks, |>> |>> |>> |>> Bernd |>> |>> |>> [[alternative HTML version deleted]] |>> |>> ______________________________________________ |>> R-help@r-project.org mailing list |>> https://stat.ethz.ch/mailman/listinfo/r-help |>> PLEASE do read the posting guide http://www.R-project.org/posting- |>> guide.html |>> and provide commented, minimal, self-contained, reproducible code. |> |> ______________________________________________ |> R-help@r-project.org mailing list |> https://stat.ethz.ch/mailman/listinfo/r-help |> PLEASE do read the posting guide http://www.R-project.org/posting- |> guide.html |> and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
