[R] rgl crashes after one successful draw

[Bryan Hanson]

Thank you Brian.  Yes, problem is on R.app  I will send to R-sig-mac.  Thanks, Bryan

On May 29, 2013, at 11:07 AM, Prof Brian Ripley <ripley at stats.ox.ac.uk> wrote:

> This is most relevant to R-sig-mac.  There are two different rgl devices on OS X, depending how you are running this.  One based on X11 and one on Apple's GL.  In particular, are you using command-line R or R.app?
> 
> I seem to be able to reproduce it using R.app, in which case it is most definitely for R-sig-mac, and a workaround is to use command-line R.
> 
> On 29/05/2013 15:11, Bryan Hanson wrote:
>> This is really odd, and probably 100% local to me, but I'm at a loss as to a next step.
>> 
>> After narrowing things down, here's how to reproduce:
>> 
>> library("rgl")
>> showSomething <- function() {
>> 	open3d()
>> 	points3d(rnorm(10),rnorm(10),rnorm(10))
>> 	axes3d()
>> 	title3d('main','sub','xlab','ylab','zlab')
>> 	}
>> showSomething() # works as expected.
>> # Close the current rgl window
>> showSomething() # crashes R with the following report:
>> 
>>  *** caught segfault ***
>> address 0x0, cause 'unknown'
>> 
>> Traceback:
>>  1: .C(rgl_dev_open, success = FALSE)
>>  2: rgl.open()
>>  3: open3d()
>>  4: showSomething()
>> 
>> This will probably work fine for any of you, it's so simple and fundamental.  If I don't close the open rgl windows, it doesn't crash, and I can execute the function over and over successfully.  And the same thing happens if I just do the commands inside the function individually.  SessionInfo() below.
>> 
>> Perhaps something is corrupt with my X11 window system?  Thanks, Bryan
>> 
>> R version 3.0.1 (2013-05-16)
>> Platform: x86_64-apple-darwin10.8.0 (64-bit)
>> 
>> locale:
>> [1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
>> 
>> attached base packages:
>> [1] stats     graphics  grDevices utils     datasets  methods   base
>> 
>> other attached packages:
>> [1] rgl_0.93.940 sos_1.3-5    brew_1.0-6
>> ______________________________________________
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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.
>> 
> 
> 
> -- 
> Brian D. Ripley,                  ripley at 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