[R-SIG-Mac] rgl window problem

stefano iacus stefano.iacus at unimi.it
Wed Dec 6 17:43:17 CET 2006

with CRAN binary of R 2.4.0 + rgl (from cran as well), it works for  
me in Aqua. I mean from inside the R.app.

As said, it cannot work from the shell nor under xterm with cran  
version of rgl, unless you build rgl by forcing the build against X11  
OpenGL instead of Cocoa OpenGL.

the error at startup look like some problem with your .RData



On 07/dic/06, at 01:09, roger koenker wrote:

> I'm still a bit lost...  It is true that I'm still using X11 to run R
> but I would
> be happy to use the GUI -- in fact I have used it a bit from my laptop
> for teaching purposes, but on my desktop I'm in need of building
> packages from source and haven't managed to see my way clear
> to using the binary versions that Simon is providing.  So ....
> I tried just downloading the GUI from  Simon's ATT page.  When
> this starts up, I get:
> Error in checkConflicts(value) : unimplemented type 'character' in
> 'asLogical'
> Error in seq_along(specs) : argument is not interpretable as logical
> Error in gzfile(file) : invalid 'encoding' argument
> [Workspace restored from /Users/roger/.RData]
> and library(rgl)  doesn't produce any messages, but neither does it
> do anything
> in response to example(suface3d) except return a prompt.  This also
> happens
> with other packages:  no complaints on loading, but no response from
> attempts
> to use the package, and search indicates that the packages aren't in
> the search
> list.  When R starts up it says it is running:
> 	R version 2.4.0 Under development (unstable) (2006-08-16 r38905)
> but this isn't the version that I'm running from my X11 windows...as
> noted below.
> url:    www.econ.uiuc.edu/~roger            Roger Koenker
> email    rkoenker at uiuc.edu            Department of Economics
> vox:     217-333-4558                University of Illinois
> fax:       217-244-6678                Champaign, IL 61820
> On Dec 6, 2006, at 9:14 AM, Duncan Murdoch wrote:
>> On 12/6/2006 9:51 AM, stefano iacus wrote:
>>> we usually use .Platform$GUI to check if we are under R.app or
>>> under  the console
>>> Un R.app .Platform$GUI="AQUA", under terminal it is set to
>>> "X11" (if  R is built with X11 support, which is the case of CRAN
>>> binary)
>>> stefano
>>> p.s. and this is Cocoa not Carbon. The OS X GUI itself is called
>>> AQUA  though. Both Cocoa and Carbon are layers between the system
>>> and the  AQUA GUI. So, definitely AQUA but not Carbon.
>> Thanks.  I'll see if I can put in a test based on .Platform$GUI.
>> Duncan Murdoch
>>> On 06/dic/06, at 23:08, Duncan Murdoch wrote:
>>>> On 12/6/2006 8:43 AM, roger koenker wrote:
>>>>> I've recently installed rgl on a:
>>>>> R version 2.5.0 Under development (unstable) (2006-09-10 r39242)
>>>>> powerpc-apple-darwin8.7.0
>>>>> system, from source and everything seemed to be ok, the package
>>>>> loads without complaints, however  trying to run any of the
>>>>> examples
>>>>> produces the usual window, but no plotting occurs.  The window
>>>>> is blank, and moving the cursor over the window gives the dreaded
>>>>> spinning pinwheel of cluelessness.
>>>>> Can anyone suggest a strategy for further diagnosis?
>>>> This sounds as though you are running from the console rather than
>>>> R.app, but have built rgl (or downloaded a copy built) to use  
>>>> AGL in
>>>> Carbon rather than X11.  That doesn't work.  AGL calls only work
>>>> from R.app.
>>>> If someone knows a nice run-time test for whether Carbon will
>>>> work I'd
>>>> put it in to at least give a meaningful error message.  I'd really
>>>> prefer it to fall back to trying X11 in that case, but that looks
>>>> much
>>>> harder:  for an OSX newbie like me, I think the AGL/X11 decision
>>>> needs
>>>> to be done at link time, not run time.  (On Windows I'd load the
>>>> appropriate OpenGL .dll when the package loaded, and do all the
>>>> calls
>>>> indirectly.  But I don't know how to do this on OSX.)
>>>> If my assumption in the first paragraph is wrong, please let me
>>>> know.
>>>> And if "Carbon" is the wrong name for the graphics system that
>>>> supports
>>>> the standard Mac GUI and AGL, I wouldn't mind hearing that either.
>>>> Duncan Murdoch
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