Neglected to reply to all. Sorry.


----- Forwarded Message ----
From: Adam Carr <adamlc...@yahoo.com>
To: David Winsemius <dwinsem...@comcast.net>
Sent: Sat, January 1, 2011 8:58:26 AM
Subject: Re: [R] pdf() Export Problem: Circles Interpreted as Fonts from 
ggplot2 
Graphics


Hello David:

Thanks for the reply and for the suggestion on an alternative character. I will 
try this today and see what happens.

As I searched for solutions to this a more experienced graphics editor 
recommended a package called Xara Photo and Graphic Designer 6. This package, 
which has an open-source version for Linux, imported the PDF without any font 
interpretation difficulties. The text editing process required about thirty 
seconds.

Happy New Year,

Adam




________________________________
From: David Winsemius <dwinsem...@comcast.net>

Cc: r-help@r-project.org
Sent: Thu, December 30, 2010 7:07:30 PM
Subject: Re: [R] pdf() Export Problem: Circles Interpreted as Fonts from 
ggplot2 
Graphics

You could try using the Symbol font's solid circle as pch ,  octmode 267,  if I 
am reading the output from the TestChars function on the points help page 
correctly.

BTW, I opened your document in GIMP and it shows "q"'s as well.

--david.


On Dec 30, 2010, at 5:59 PM, Adam Carr wrote:

> Good Evening:
> 
> I am putting together a large report with plots created in R, V 2.12.0. Most 
of
> the plots are created using ggplot2 V0.8.9. I use R's pdf() command to export
> the plot to a pdf file. I am exporting the plots and attempting to edit the
> title text in Inkscape primarily because ggplot2 does not support superscript 
>or
> subscript formatting in the title text. For the report I am working on these
> formats are essential.
> 
> 
> I am running the R version mentioned above and Inkscape 0.48 on a Windows XP
> machine with the following system details:
> 
> OS Name Microsoft Windows XP Professional
> Version 5.1.2600 Service Pack 3 Build 2600
> System Type X86-based PC
> Processor x86 Family 6 Model 15 Stepping 11 GenuineIntel ~1995 Mhz
> BIOS Version/Date LENOVO 7LETB7WW (2.17 ), 4/25/2008
> Total Physical Memory 4,096.00 MB
> Available Physical Memory 1.62 GB
> Total Virtual Memory 2.00 GB
> Available Virtual Memory 1.96 GB
> Page File Space 8.69 GB
> 
> I do not think this is a ggplot2-specific problem.
> 
> I use a simple version of the pdf() command to export the file that includes 
>the
> file name and path only. The PDF looks fine actually, it is the restriction on
> text editing caused by Adobe's intepretation of the graphic that is the 
>problem.
> 
> I have attached two files to this email:
> 
> 1. An R-exported pdf file exactly as it looks as opened in Adobe Reader V9. 
>This
> file is named exportforinkscapeforum.pdf.
> 
> 2. An example of the way the plot appears after I import it into Inkscape. 
This
> file is named Example of How Imported File Appears in Inkscape.pdf.
> 
> The problem I have is that when I import the pdf into Inkscape the solid,
>filled
> circles on the plot are converted to the lower case letter q. I read about
> similar problems on R-help.org and other R-related sites, but the 
> descriptions 
>I
> found seemed to indicate that the lower case q was visible in the pdf file 
when
> opened with Adobe or other viewers. This does not seem to be my problem.
> 
> 
> I posted this problem to the Inkscape forum and received a reply suggesting 
>that
> Adobe is interpreting the solid, filled circles not as solid, filled circles 
>but
> as font objects. The user who replied suggested that I look for the Zpf 
Dingbat
> font embedded in the PDF and it is in fact there. This is the font Adobe is
> applying to my solid, filled circles. Apparently there are known issues with
> Inkscape's ability to import fonts via PDF and the problem is documented on
> their bug list.
> 
> The Inkscape user asked if there was any way that R could be coerced to use
> actual circles or paths for the points. I am not aware of a way to do this so
> any input from anyone here would be greatly appreciated.
> 
> To briefly return to my main problem: if there is another way to edit the main
> title text to include a superscripted character (in my particular case it is
> Unicode character 00AE, the registered trademark sign) I would appreciate the
> insight.
> 
> 
> Any help on this issue would be appreciated.
> 
> Adam
> 
> 
> <Example of How Imported PDF Looks in 
>Inkscape.pdf><exportforinkscapeforum.pdf>______________________________________________
>
> 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.

David Winsemius, MD
West Hartford, CT


      
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