[R] Error while working with png output on linux server

[Henrik Bengtsson]

You could try with png2() in the R.devices package, which is just a
convenient wrapper around the bitmap() device which can also produce PNGs.
It's not perfect but it might get you going.

Henrik

On Feb 1, 2018 08:24, "Sariya, Sanjeev" <ss5505 at cumc.columbia.edu> wrote:

> Thanks for your reply. I searched for the error on Google before resorting
> to the R forum (help group).
> I tried Sys.env(...) too, but didn't resolve the error I get. Hence I am
> looking for solution.
>
>
>
> --
>
>
> -----Original Message-----
> From: Thierry Onkelinx [mailto:thierry.onkelinx at inbo.be]
> Sent: Thursday, February 01, 2018 10:57 AM
> To: Sariya, Sanjeev <ss5505 at cumc.columbia.edu>
> Cc: Jeff Newmiller <jdnewmil at dcn.davis.ca.us>; r-help at r-project.org
> Subject: Re: [R] Error while working with png output on linux server
>
> Dear Sanjeev,
>
> It seems that you system neither supports X11 devices nor cairo devices.
> See http://lmgtfy.com/?q=R+unable+to+open+connection+to+X11
> for possible solutions.
>
> Best regards,
>
> ir. Thierry Onkelinx
> Statisticus / Statistician
>
> Vlaamse Overheid / Government of Flanders INSTITUUT VOOR NATUUR- EN
> BOSONDERZOEK / RESEARCH INSTITUTE FOR NATURE AND FOREST Team Biometrie &
> Kwaliteitszorg / Team Biometrics & Quality Assurance
> thierry.onkelinx at inbo.be Havenlaan 88 bus 73, 1000 Brussel www.inbo.be
>
> ////////////////////////////////////////////////////////////
> ///////////////////////////////
> To call in the statistician after the experiment is done may be no more
> than asking him to perform a post-mortem examination: he may be able to say
> what the experiment died of. ~ Sir Ronald Aylmer Fisher The plural of
> anecdote is not data. ~ Roger Brinner The combination of some data and an
> aching desire for an answer does not ensure that a reasonable answer can be
> extracted from a given body of data. ~ John Tukey
> ////////////////////////////////////////////////////////////
> ///////////////////////////////
>
>
>
>
> 2018-02-01 16:18 GMT+01:00 Sariya, Sanjeev <ss5505 at cumc.columbia.edu>:
> > Thanks for pointing to FAQ: I tried with cairo (shared in commands),
> unfortunately didn't work.
> >
> > --
> > Sanjeev Sariya
> >
> >
> > -----Original Message-----
> > From: Jeff Newmiller [mailto:jdnewmil at dcn.davis.ca.us]
> > Sent: Thursday, February 01, 2018 10:12 AM
> > To: r-help at r-project.org; Sariya, Sanjeev <ss5505 at cumc.columbia.edu>;
> > r-help at r-project.org
> > Subject: Re: [R] Error while working with png output on linux server
> >
> > FAQ 7.19?
> >
> > Also, read the Posting Guide, in particular about posting using plain
> text.
> > --
> > Sent from my phone. Please excuse my brevity.
> >
> > On February 1, 2018 6:50:42 AM PST, "Sariya, Sanjeev" <
> ss5505 at cumc.columbia.edu> wrote:
> >>I'm working on linux server:
> >>Linux  4.9.0-4-amd64 #1 SMP Debian 4.9.51-1 (2017-09-28) x86_64
> >>GNU/Linux
> >>
> >>I get error while creating png files. I'm sharing my commands and
> >>error while I run those commands:
> >>
> >>>png("abc", type="cairo")
> >>Error in .External2(C_X11, paste0("png::", filename), g$width,
> >>g$height,  :
> >>  unable to start device PNG
> >>In addition: Warning message:
> >>In png("abc", type = "cairo") : unable to open connection to X11
> >>display ''
> >>
> >>> png("apoeqqplot.png", res=600)
> >>Error in .External2(C_X11, paste0("png::", filename), g$width,
> >>g$height,  :
> >>  unable to start device PNG
> >>In addition: Warning message:
> >>In png("apoeqqplot.png", res = 600) :
> >>  unable to open connection to X11 display ''
> >>
> >>dev.off()
> >>
> >>R version 3.4.2 (2017-09-28)
> >>Platform: x86_64-pc-linux-gnu (64-bit) Running under: Debian GNU/Linux
> >>9 (stretch)
> >>
> >>Matrix products: default
> >>BLAS: /mnt/mfs/cluster/bin/R-3.4/lib/libRblas.so
> >>LAPACK: /mnt/mfs/cluster/bin/R-3.4/lib/libRlapack.so
> >>
> >>locale:
> >>[1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C
> >>[3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8
> >>[5] LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8
> >>[7] LC_PAPER=en_US.UTF-8       LC_NAME=C
> >>[9] LC_ADDRESS=C               LC_TELEPHONE=C
> >>[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
> >>
> >>attached base packages:
> >>[1] stats     graphics  grDevices utils     datasets  methods   base
> >>
> >>other attached packages:
> >>[1] CMplot_3.3.1
> >>
> >>loaded via a namespace (and not attached):
> >>[1] compiler_3.4.2 tools_3.4.2
> >>
> >>
> >>How do I fix this?
> >>
> >>
> >>       [[alternative HTML version deleted]]
> >>
> >>______________________________________________
> >>R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> >>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 at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> > 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 at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> 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.
>

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