I am ashamed to admit that I missed the nondingbat option. I too tried the 
alternative character approach and it seemed to work fine. I am using a rather 
straightforward set of colors and, as far as I could tell anyway, the colors 
appeared to be reproduced correctly.

Thanks again for taking to the time to help me.




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

Cc: r-help@r-project.org
Sent: Sat, January 1, 2011 11:09:23 AM
Subject: Re: [R] pdf() Export Problem: Circles Interpreted as Fonts from 
ggplot2 
Graphics

I thought Hadley's response was more definitive, but I did go on to test my
alternate character strategy in ggplot and it did succeed. Whether you could 
get 
coloring or sixing that was appropriate I cannot say, since I figured the 
non-dingbatting option was more general.

--David
On Jan 1, 2011, at 8:59 AM, Adam Carr wrote:

> Neglected to reply to all. Sorry.
> 
> 
> 
> ----- Forwarded Message ----

> 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
> 
> 
> 
>     [[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.

David Winsemius, MD
Heritage Laboratories
West Hartford, CT


      
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