[R] .eps files and powerpoint

Thu Jul 25 00:40:01 CEST 2013

Hi Marc

I sometimes had trouble with postscript and pdf files with lattice 
and I printed with trellis.device(device = pdf, ...) or 
trellis.device(device = postscript, ...)

I wonder if this is the case here

Duncan

Duncan Mackay
Department of Agronomy and Soil Science
University of New England
Armidale NSW 2351
Email: home: mackay at northnet.com.au


At 03:22 25/07/2013, you wrote:
>Hi Rich,
>
>That's curious.
>
>I noted that you are using barchart() below which is lattice versus 
>base graphics. Is there any difference in the result on Windows if 
>you use barplot() instead? If so, perhaps there is something about 
>lattice graphics in this context.
>
>Also, are you using Office 2008 or Office 2011 on your Mac? 2011 
>substantially improved Windows file format compatibility, not to 
>mention a plethora of bug fixes.
>
>Regards,
>
>Marc
>
>
>On Jul 24, 2013, at 11:37 AM, Richard M. Heiberger <rmh at temple.edu> wrote:
>
> > Marc,
> >
> > very interesting.
> >
> > Your example works on Windows.  This example doesn't work on windows
> >
> >> postscript(file = "file2.eps", height = 4, width = 4,
> > +                 horizontal = FALSE, onefile = FALSE, paper = "special")
> >> barchart(1:3)
> >> dev.off()
> >
> > Several examples, including the real one I was having trouble with
> > previously, work on
> > PowerPoint on Mac.  They don't work on PowerPoint in Windows.
> >
> > More: I put some eps figures into PP on Mac (where they work) and then
> > saved the file and
> > opened it in PP on Windows.  They don't work on Windows.
> >
> > Since Windows PP users are the target audience at the moment, I will stay
> > with the res=300 png file.
> >
> > This is consistent with my other experiences with PP and Word for Mac,
> > compared to PP and
> > Word for Windows.  The two MS sets of programs are highly correlated, but
> > far from identical.
> >
> > When people send my PP or Word files, I am more likely to open them first
> > on the Mac side of my
> > machine.  The graphs have spurious lines (connecting the end of the red
> > line to the beginning of
> > the green line, for example, when the two lines should be distinct).
> > Alignment is different
> > (two-line titles will get folded at the wrong place).  I need to move back
> > to the Windows side in
> > the VM to see the files as the author intended.
> >
> > Rich
> >
> >
> > On Wed, Jul 24, 2013 at 12:16 PM, Marc Schwartz 
> <marc_schwartz at me.com>wrote:
> >
> >> Hi Rich,
> >>
> >> Seems to work for me using Powerpoint in MS Office 2011 for Mac.
> >>
> >> I used the following code:
> >>
> >> postscript(file = "file.eps", height = 4, width = 4,
> >>                horizontal = FALSE, onefile = FALSE, paper = "special")
> >>
> >> plot(rnorm(20))
> >>
> >> dev.off()
> >>
> >>
> >>
> >> Then I used the insert picture from file function in Powerpoint. It
> >> created the PNG preview during import and I can see that on the slide in
> >> the application without issue.
> >>
> >> I put the EPS file and the PPTX file up on DropBox if you want to look at
> >> them:
> >>
> >> EPS File: https://www.dropbox.com/s/d8avze4yv51blso/file.eps
> >>
> >> PPTX file: https://www.dropbox.com/s/pm7oejm0g6rc0a5/RPlot.pptx
> >>
> >>
> >> Regards,
> >>
> >> Marc
> >>
> >>
> >>
> >> On Jul 24, 2013, at 10:49 AM, "Richard M. Heiberger" <rmh at temple.edu>
> >> wrote:
> >>
> >> Thanks Marc,
> >>
> >> the extra arguments to postscript still don't produce something that
> >> PowerPoint will accept.
> >> With your call, PP still displayed only the icon.  PP did not generate its
> >> own png file.
> >>
> >> Since my immediate goal is the projection screen for a PowerPoint
> >> presentation, I will go
> >> directly to the png file.  For the proceedings and for paper I will
> >> continue to use the pdf file.
> >>
> >> Rich
> >>
> >> On Wed, Jul 24, 2013 at 11:36 AM, Marc Schwartz 
> <marc_schwartz at me.com>wrote:
> >>
> >>> Rich,
> >>>
> >>> You are missing some options in the call to postscript() below. It needs
> >>> to be:
> >>>
> >>>  postscript(file = "file.eps", width = x, height = y,
> >>>             horizontal = FALSE, onefile = FALSE, paper = "special")
> >>>
> >>> The first line needs to have values for 'x' and 'y' for the width and
> >>> height of the image, as they default to 0.
> >>>
> >>> The second line of 3 options are all critical to producing an EPS file,
> >>> as opposed to a PS file. This is described in the 4th paragraph of the
> >>> Details section of ?postscript.
> >>>
> >>> If you import that file into any of the MS Office products (typically
> >>> also for OpenOffce, LibreOffice, etc.), a PNG preview image 
> will be created
> >>> during import. It is the PNG bitmapped image that you can see when
> >>> displaying the EPS file in the document, hence the degradation 
> in quality.
> >>> Some years ago, all you would see is a rectangular box with an "X" across
> >>> it, as a placeholder for the imported image.
> >>>
> >>> Only if you then print the Office file using a Postscript printer driver,
> >>> will you see the actual vector based EPS image. The target of 
> that printing
> >>> operation could be a printer for hard copy, a PS or a PDF file. MS Office
> >>> does not support the rendering of the EPS image directly.
> >>>
> >>> If you are operating on Windows, as opposed to Linux or OSX, typically
> >>> EMF/WMF files are the easiest way to go in terms of sticking R plots into
> >>> an Office file, as they are also vector based images, but are effectively
> >>> Windows only.
> >>>
> >>> Regards,
> >>>
> >>> Marc Schwartz
> >>>
> >>>
> >>> On Jul 24, 2013, at 10:20 AM, Richard M. Heiberger <rmh at temple.edu>
> >>> wrote:
> >>>
> >>>> png("png300.png", res=300, width=2880, height=1440)
> >>>>
> >>>> gives good behavior.  Thank you.  This will become my standard for
> >>> export
> >>>> to powerpoint.
> >>>>
> >>>> postscript(file='file.eps', onefile=FALSE)
> >>>> produces eps files that powerpoint rejects, even though ghostview is
> >>>> satisfied.
> >>>>
> >>>> Rich
> >>>>
> >>>>
> >>>> On Wed, Jul 24, 2013 at 2:07 AM, Patrick Connolly <
> >>>> p_connolly at slingshot.co.nz> wrote:
> >>>>
> >>>>> On Tue, 23-Jul-2013 at 10:23PM -0400, Richard M. Heiberger wrote:
> >>>>>
> >>>>> |> I have colleagues who use powerpoint.  When I send my colleagues pdf
> >>>>> files
> >>>>> |> or ps files, powerpoint
> >>>>> |> rejects them.  Powerpoint does accept some eps files.
> >>>>> |>
> >>>>>
> >>>>> [...]
> >>>>>
> >>>>> |> Does anyone know a workaround that will get vector graphics from R
> >>> into
> >>>>> |> powerpoint?
> >>>>> |> win.metafile is not acceptable.  The resolution of emf files from R
> >>> is
> >>>>> |> worse than png files.
> >>>>>
> >>>>> Maybe worse than png files at the default resolution which is 72 dpi.
> >>>>> Change that to something like 300 and nobody will see a jagged edge in
> >>>>> a PowerPoint slide.
> >>>>>
> >>>>> HTH
> >>>>>
> >>>>>
> >>>>> |>
> >>>>> |> Thanks
> >>>>> |> Rich
> >>>
> >>>
> >>
> >>
> >
> >       [[alternative HTML version deleted]]
> >
> > ______________________________________________
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> http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
>______________________________________________
>R-help at 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.