On 10.06.2011 14:40, Gabor Grothendieck wrote:
On Fri, Jun 10, 2011 at 8:31 AM, Janko Thyson
<janko.thyson.rst...@googlemail.com> wrote:
On 10.06.2011 13:00, Gabor Grothendieck wrote:
On Fri, Jun 10, 2011 at 6:04 AM, Janko Thyson
<janko.thyson.rst...@googlemail.com> wrote:
Dear list,
I've been trying to get gWidgets/gWidgetsRGtk2 to run every other month for
a while, but somehow I simply can't figure out what's going wrong.
1. Use the automatically installed GTk2, not some other version.
Thanks for answering. I didn't even know there GTk2 already ships with R.
Prof. Brian Ripley linked me to the readme file with recommendations with
respect to an GTK2 distribution to use:
"What it means is that RGtk2.dll or one of the DLLs it depends on cannot be
found. See the instructions at
http://cran.r-project.org/bin/windows/contrib/2.13/@ReadMe "
2. Note that the automatically installed one will be at
...\GTk2-runtime\bin and that will be put at the *end* of your PATH.
Change it so that its at the beginning of your PATH to be sure its not
picking up something else.
My R distribution does not seem to have such a directory (standard windows
R-2.13.0 installer from CRAN)
How do I manage to have this ...\GTk2-runtime\bin directory available?
#1 is referring to the fact that when you run RGTk2 it will ask you if
you want it to install GTk2. Say yes and let it install that version
to be sure you are using the right one. If you install it yourself
manually instead you could very easily install the wrong version.
The only problem with the automatic installation is that it puts the
GTk2 dll's at the end of your PATH so you can't be sure that something
else on your path (such as graphviz which has its own potentially
conflicting dll's) won't interfere. To fix that change the PATH so
that GTk2 is at the beginning (or at least before anything else that
could interere).
Hm, I did install GTK2 via the automatic installation now (choosing to
put the DLLs in the /bin directory). The problem is, that R keeps asking
me to repeat this step (the dialog box) every time I try to load (in new
R sessions) either RGTk2 or gWidgetsRGtk2 displaying the same error:
Loading required package: gWidgetsRGtk2
Loading required package: gWidgets
Error in inDL(x, as.logical(local), as.logical(now), ...) :
unable to load shared object
'R:/Apps/R/R-2.13.0/library/RGtk2/libs/i386/RGtk2.dll':
LoadLibrary failure: The specified module could not be found.
Failed to load RGtk2 dynamic library, attempting to install it.
Learn more about GTK+ at http://www.gtk.org
If the package still does not load, please ensure that GTK+ is installed
and that it is on your PATH environment variable
IN ANY CASE, RESTART R BEFORE TRYING TO LOAD THE PACKAGE AGAIN
Error : .onAttach failed in attachNamespace() for 'gWidgetsRGtk2', details:
call: .Call(name, ..., PACKAGE = PACKAGE)
error: C symbol name "S_gtk_icon_factory_new" not in DLL for package
"RGtk2"
I also tried it on a different machine running Windows 7 and R-2.13.0.
:-/
Do you have any other idea?
Thanks a lot,
Janko
Thanks a lot,
Janko
3. If you are changing the path through the control panel and starting
R from the command line note that your new path won't be picked up in
old command line sessions so start a new command line session to start
R.
4. When you start a new R session double check that the automatically
installed ...\GTk2-runtime\bin is at the beginning of your path:
strsplit(Sys.getenv("PATH"), ";")[[1]]
--
________________________________
Janko Thyson
janko.thy...@googlemail.com
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D-85049 Ingolstadt
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