[Rd] graphics character misplaced (PR#548)

[Peter Dalgaard BSA]

ripley@stats.ox.ac.uk writes:

> Adrian Custer wrote:
> 
> > The character "*" displays too high in comparison to the graph space and
> > other characters in the plot. Consider:
> > 
> > > a_-0.15
> > > plot(c(0,100),c(0,1))
> > > for (i in 1:100){ points(i,(1-exp(a*i)),pch=".",col="blue")}
> > > for (i in 1:100){ points(i,(1-exp(a*i)),pch="*",col="red")}
> > > abline(1,0)
> 
> Can anyone reproduce this?  On my Solaris system the placing looks spot on
> on X11 and postscript, so it looks to me to be a system-specific
> font-metric problem.  I noticed it came from a beta OS (gnu-linux (mandrake
> 7.1beta)), and I am presumming that the X11 device was meant.

I don't see it either with current development sources. We used to get
that effect because "*" is a superscript asterisk (not a centered
operator) in the relevant X11 font, but Paul/Ross fixed that at some
point. Does example(points) look right on this system?

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)             FAX: (+45) 35327907
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