On Thu, 10 Mar 2005, Marc Schwartz wrote:
On Thu, 2005-03-10 at 19:57 -0600, Deepayan Sarkar wrote:I'm seeing inconsistent symbols from the same expression with the following code:
expr = expression(sum(x, 1, n)) plot(1, main = expr, type = "n") text(1, 1, expr)
Moreover, the inconsistency is reversed in r-devel compared to R 2.0.1. In particular, the main label shows a \bigoplus instead of \sum in r-devel, and the other way round in 2.0.1. demo(plotmath) shows \sum in both.
Can anyone confirm? Is this intended behaviour (though I can't see how)?
No problem in "Version 2.0.1 Patched (2005-03-07)". I get \sum in both places. I do not see anything in the NEWS file suggesting a bug fix for this.
I just installed "Version 2.1.0 Under development (unstable) (2005-03-11)" and do not see the problem there either.
Both are under FC3.
We need to know both the device and the locale. Assuming this is X11, there are two fixes for font selection:
o X11() was only scaling its fonts to pointsize if the dpi
was within 0.5 of 100dpi. o X11() font selection was looking for any symbol font, and
sometimes got e.g. bold italic if the server has such a font.The main title in plot() and text() are asking for different sizes. If Deepayan had problems with getting a valid (Adobe symbol-encoded) font, this might vary by size which would explain the reported differences.
Deepayan: can you please check what symbol fonts you have: the pattern in R-devel is
"-adobe-symbol-medium-r-*-*-*-*-*-*-*-*-*-*"
(Ideally we would select on encoding, but that is usually 'fontspecific' so not helpful.)
Brian
-- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595
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