Hi
On 29/09/2010 8:17 p.m., Tal Galili wrote:
My honor.
A short question: if there is something in the device that is sensitive
to the overlapping of the text, then is it possible to add a warning
massage output when the length of the text is longer then the device
dimensions?
The graphics engine does a lot of this sort of clipping (not just text),
but all of it is silent. You certainly wouldn't want to print all
clipping warnings to screen and there is no current plan to return
clipping information from the graphics engine. The current expectation
is that the interested useR/developeR will use the R-level tools, such
as strwidth(), to check for overlap, etc.
Paul
With much respect,
Tal
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On Wed, Sep 29, 2010 at 1:24 AM, Paul Murrell <p.murr...@auckland.ac.nz
<mailto:p.murr...@auckland.ac.nz>> wrote:
Hi
It is a bug. A fix has been committed.
Thanks for the report!
Paul
On 29/09/2010 10:15 a.m., Ben Bolker wrote:
Barry Rowlingson<b.rowlingson<at> lancaster.ac.uk
<http://lancaster.ac.uk>> writes:
My point is that in regular text, ylab plots it where it
then goes outside
the borders.
With the use of expressions - the text just doesn't show up.
Originally I thought it was because of my miss-use of
expressions, until I
figured it was the level of cex.lab I was using.
The problem is that when you can't see the text, you
don't have a sense of
how much to decrease the cex.lab so the text will fit.
I hope I was now clearer.
Gotcha. Seems to only affect ylab though. Do this:
> t = expression(paste("test
loooooooooooooooooooooooooooooooooooooooooooooo(% of 360"
*degree,
")"))
> plot(1,xlab=t,ylab=t,main=t)
then if I shrink my graphics window I can make the ylab
disappear but
not the xlab or title.
Seems to affect any rotated expressions:
plot(1)
text(1,1,t,srt=90)
text(1,1,t,srt=0)
text(1,1,t,srt=45)
Now shrink window and watch the rotated expressions
vanish! They
disappear when they start (or finish) out of the entire graphics
device, not the plot region...
I cant find anything relating to clipping in the help, and
I am on
Linux, so see if there's any news about it, try it with
R-patched or
R-devel and then report a bug after having read all the
other stuff
about R bug reporting!
Barry
I don't claim to understand it, but there is something quite
fundamental about the properties of the X11() graphics device in R
that makes labels that would otherwise overlap, disappear -- if
you do 'extreme resizing' with the graphics above, you can see that
otherwise-overlapping x- and y-axis tick labels disappear as the
graph gets scrunched. This is (apparently) true of X11 graphics
on MacOS as well -- Quartz window has a different behavior.
Trying with pdf() as well -- for height=2, width=2, only 1 y-axis
and 2 x-axis tick labels survive, *but* the x and y labels and the
title are all still present (but clipped, of course).
[Hmmm. Take my reports above with a grain of salt, I wasn't
always using expression()s.]
So I would guess that if you reported this as a bug you would
be told that it was a poorly documented property of R's X11
graphics model, rather than a bug ...
I have no idea where to start looking for more information
about what defines this behavior -- if I were desperate to know
I would probably try asking Paul Murrell ...
I would be very interested to see this discussed on r-devel,
if anyone bit ...
Ben Bolker
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--
Dr Paul Murrell
Department of Statistics
The University of Auckland
Private Bag 92019
Auckland
New Zealand
64 9 3737599 x85392
p...@stat.auckland.ac.nz <mailto:p...@stat.auckland.ac.nz>
http://www.stat.auckland.ac.nz/~paul/
______________________________________________
R-help@r-project.org <mailto:R-help@r-project.org> mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
--
Dr Paul Murrell
Department of Statistics
The University of Auckland
Private Bag 92019
Auckland
New Zealand
64 9 3737599 x85392
p...@stat.auckland.ac.nz
http://www.stat.auckland.ac.nz/~paul/
______________________________________________
R-help@r-project.org mailing list
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
