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Plot dagger symbol in R

7 messages · Rau, Roland, Duncan Murdoch, Mark Difford +2 more

Original
Rau, Roland
# 
Dear all,

I would like to plot the dagger symbol in R (like LaTeX's \dagger).
However, I was unable to do so.

First, I thought maybe dagger actually exists just like the degree
symbol:

plot(0:1,0:1, type="n")
text(x=0.5, y=0.5, labels=expression(degree))

plot(0:1,0:1, type="n")
text(x=0.5, y=0.5, labels=expression(dagger))

However, this was not very successful. New hope emerged that I will
succeed when I read the help page (as so often) for ?plotmath.
There I discovered the 'symbol' thing and read that the Adobe Symbol
font encodings are used. The closest thing I could fine, though, was:

plot(0:1,0:1, type="n")
text(x=0.5, y=0.5, labels=expression(symbol("\247")))

But this is obviously not a dagger and it seems the Adobe Symbol font
does not have a dagger.

We also know this :-D

library(fortunes)
fortune("Yoda")

So maybe someone can give me some advice?

Thanks in advance,
Roland

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Duncan Murdoch
#
Rau, Roland wrote:
I think it will depend on your output device whether the character glyph 
exists, but this works for me on a Mac:

 plot(1, main="My dagger: \u2020")

Duncan Murdoch
Mark Difford
# 
Hi Roland,
True, but ... Yoda was here.

plot(0:1,0:1, type="n")
text(x=0.5, y=0.5, labels=expression("\u2020"))
text(x=0.4, y=0.6, labels=expression("\u2021"))

?plotmath, sub "Other symbols" ... "Any Unicode character can be...."

Regards, Mark.

PS: Works under Windows Vista, but ...
Rau, Roland wrote:

  
    

      
      
    

  


  


      

    

    

      
      

        


  

        

      Baptiste Auguie
    

    

      
      #
    

  


  

      
Hi,

If all else fails, you could consider using LaTeX itself with psfrag,  
or perhaps a similar idea involving eps2pgf.

http://biostat.mc.vanderbilt.edu/twiki/bin/view/Main/PsFrag

Hope this helps,

baptiste

        
On 29 Jan 2009, at 11:24, Rau, Roland wrote:

        

            

      
      
      
    

        

      
      
    

        
_____________________________

Baptiste Augui?

School of Physics
University of Exeter
Stocker Road,
Exeter, Devon,
EX4 4QL, UK

Phone: +44 1392 264187

http://newton.ex.ac.uk/research/emag

  
  


  


      

    

    

      
      

        


  

        

      Brian Ripley
    

    

      
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On Thu, 29 Jan 2009, Mark Difford wrote:

        

            

      
      
      
    

        
That would be expected to work

(in a UTF-8 locale || on Windows)
&& on a device with Unicode support
&& in a font that has the glyph.

(it works on Windows because we fake much of a UTF-8 locale there).

There is an alternative: dagger _is_ in the standard Adobe character 
set, so this will work as something \206 (untested) in 8-bit Windows 
character sets on windows(), postscript(), pdf() ... devices

As ever, the information asked for in the posting guide helps us give 
a better answer.

            

      
      
      
    

        
But the Adobe Standard encoding does.

            

      
      
      
    

        

  
    

      
      
    

  


  


      

    

    

      
      

        


  

        

      Rau, Roland
    

    

      
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Dear all,

thank you very much.
Yes, indeed, I should have included the sessionInfo().
Both examples (unicode and standard encoding) work fine; however, I
prefer the suggestion by Prof. Ripley since it allows me to do things
like:

plot(1, main=expression(e^"\206"))

This fails, however, with:

plot(1, main=expression(e^"\u2020"))		

Thank you once again,
Roland

            

      
      
      
    

        
R version 2.7.0 (2008-04-22) 
i386-pc-mingw32 

locale:
LC_COLLATE=English_United States.1252;LC_CTYPE=English_United
States.1252;LC_MONETARY=English_United
States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

            

      
      
      
    

        

      
      
    

        
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      Duncan Murdoch
    

    

      
      #
    

  


  

      
On 1/29/2009 8:56 AM, Rau, Roland wrote:

            

      
      
      
    

        
That's 9 months old  -- ancient!  The exact line you posted works for me 
in 2.8.1.  However, I don't like the dagger in the default font; it 
looks better as

plot(1, main=expression(e^"\u2020"), family="serif")


Duncan Murdoch