#8868: Make R graphics work regardless of X and other things
---------------------------+------------------------------------------------
   Reporter:  kcrisman     |       Owner:  jason, was
       Type:  enhancement  |      Status:  new       
   Priority:  minor        |   Milestone:  sage-5.0  
  Component:  graphics     |    Keywords:            
     Author:               |    Upstream:  N/A       
   Reviewer:               |      Merged:            
Work_issues:               |  
---------------------------+------------------------------------------------

Comment(by kcrisman):

 Some comments from #8834:
 R install guide says:
 {{{
 Unless you do not want to view graphs on-screen you need ‘X11’ installed,
 including its headers and client libraries. For recent Fedora
 distributions it means (at least) ‘libX11’, ‘libX11-devel’, ‘libXt’ and
 ‘libXt-devel’. On Debian we recommend the meta-package ‘xorg-dev’. If you
 really do not want these you will need to explicitly configure R without
 X11, using --with-x=no.
 }}}
 But see
 [http://stat.ethz.ch/R-manual/R-patched/library/grDevices/html/Devices.html
 this], which talks about the devices more generally, as well as the
 R_DEFAULT_DEVICE variable.  In particular, the
 [http://stat.ethz.ch/R-manual/R-patched/library/grDevices/html/pdf.html
 pdf] output, or png via the
 [http://stat.ethz.ch/R-manual/R-patched/library/grDevices/html/dev2bitmap.html
 bitmap] function, could be platform-independent enough to reinstate
 doctests for R graphics.  Though the bitmap function apparently needs
 ghostscript, though, which we also can't always count on being present, I
 don't think.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8868#comment:1>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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