[R-SIG-Mac] broken lines with quartz device
ba208 at exeter.ac.uk
Thu Jul 17 20:33:43 CEST 2008
Thanks, I'm glad this has a logical and easy explanation!
I assume the nightly build you refer to is located here: http://r.research.att.com/
, would it suffice to upgrade the R.app or is the quartz thing part of
the heavy R dmg file? Two days ago I tried to install R from source
and it failed for some (obscure to me) reason, so I hope it's not
required to fix this.
On 17 Jul 2008, at 15:50, Simon Urbanek wrote:
> Me culpa - it's a bug in Quartz code that uses bitmap rendering
> (i.e. on-screen and bitmap formats) which splits lines to segments
> for faster rendering and produces a gap between such segments. It
> should be fixed in tonight's nightlies.
> On Jul 17, 2008, at 4:28 AM, Peter Macdonald wrote:
>> Yes, I have just started to notice this in the past two weeks and I
>> have no explanation.
>> On 2008-07-16 8:08 AM, "baptiste auguie" <ba208 at exeter.ac.uk> wrote:
>>> Dear all,
>>> I've just installed R on a new MacBook Pro, and I'm facing the
>>> following issue: continuous lines in some graphs appear with a
>>> discontinuity when I use the quartz or png() device. I really
>>> don't think it comes from this specific code as the pdf() output
>>> is fine, and so is the output on other machines. I have no clue
>>> where the problem is, I can't nail down what triggers it (I
>>> haven't been able yet to create a minimal example, sadly). The
>>> screenshot attached shows the result of the pdf() device vs the
>>> default quartz() device, note the broken lines in the middle of
>>> the right side graph.
>>> Has anybody faced a similar glitch before?
>>> Many thanks,
>>> R version 2.7.1 (2008-06-23)
>>> attached base packages:
>>>  stats graphics grDevices utils datasets methods base
>>> PS: apologies for any duplicate, i've been trying to send to this
>>> list for 2 days without any apparent success.
>>> Baptiste Auguié
>>> School of Physics
>>> University of Exeter
>>> Stocker Road,
>>> Exeter, Devon,
>>> EX4 4QL, UK
>>> Phone: +44 1392 264187
>>> R-SIG-Mac mailing list
>>> R-SIG-Mac at stat.math.ethz.ch
>> Peter D.M. Macdonald, D.Phil., P.Stat.
>> Professor of Math & Statistics
>> McMaster University
>> Hamilton, Ontario, Canada L8S 4K1
>> R-SIG-Mac mailing list
>> R-SIG-Mac at stat.math.ethz.ch
School of Physics
University of Exeter
EX4 4QL, UK
Phone: +44 1392 264187
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