plot(...,type='h') and the pdf driver don't play nice

<ripley at stats.ox.ac.uk> writes:

Yes.  Try in postscript() too.  I just followed postscript, but
consciously that one had to specify the desired behaviour.

That's not the way to draw boxes ....

Exactly. For a bar plot, try barplot().

Sophisticated graphics interfaces have options for how lines end and join,
but S's (and hence R's) predates such things.  )But Windows' GDI does not,
as far as I know.)

Not by much I think. PostScript has always had round/bevel/miter joins
and is roughly the same age as S. Of course the GRZ model on which S
builds is still older... I think the basic issue is that round joins
are the only thing that works at acute angles without unpleasant
artifacts, so if we want a single common polyline routine to do all
line drawing, round joins will look best, and line endings follow from
that I believe, but things like box(lwd=10) get to look odd. I suppose
we could add a graphics parameter for join style. One more or less...

BTW, I gather that GDI does have PS_JOIN_MITER &friends, or was that
not what you meant?

O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
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