On 21/01/2012 22:39, Tengfei Yin wrote:
Hi dear all,
In my laptop(ubuntu 11.10 64bit), I maintained a released R (2.14) and a
developmental R, I can specify qplot(..., alpha = ) in R 2.14 , but when I
try to use transparency in developmental R, I got a warning message and the
plot is clearly not I want.
You have not told us which device this is ....
Assuming it is X11(), most likely you built R-devel without
cairographics suppoort.
For more information, see the R-admin list (and the posting guide: this
is a topic for the R-devel list, so please follow up there).
minimal example:
qplot(data = mtcars, x = mpg, y = cyl, alpha = cyl)
Warning message:
In grid.Call.graphics(L_points, x$x, x$y, x$pch, x$size) :
semi-transparency is not supported on this device: reported only once per
page
sessionInfo()
R Under development (unstable) (2012-01-21 r58156)
Platform: x86_64-unknown-linux-gnu (64-bit)
locale:
[1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C
[3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8
[5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8
[7] LC_PAPER=C LC_NAME=C
[9] LC_ADDRESS=C LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
attached base packages:
[1] grid stats graphics grDevices utils datasets methods
[8] base
other attached packages:
[1] ggplot2_0.8.9 proto_0.3-9.2 reshape_0.8.4 plyr_1.7.1
loaded via a namespace (and not attached):
[1] digest_0.5.1
I have no idea what happened here, because if I miss some important system
dependencies, why it's still working in R 2.14?
Any suggestions or possible solution will be really appreciated. Thanks
Tengfei
--
Brian D. Ripley, rip...@stats.ox.ac.uk
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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