Hi June Kim,
Thats great. Both examples you supplied work for me.
Thanks for your help.
Wayne
> Date: Thu, 23 Jul 2009 16:17:11 +0900
> Subject: Re: [Rpy] RPy2 win xp R plotting
> From: junea...@gmail.com
> To: lgaut...@gmail.com
> CC: rpy-list@lists.sourceforge.net; wayne_be...@hotmail.com
>
> Two working examples, tested on DOS console and IDLE.
>
> #test1.py
> #r gui in a separate thread with processevents
>
> from rpy2 import robjects
> from rpy2 import rinterface
> import thread
>
> def refresh():
> while True:
> rinterface.process_revents()
> time.sleep(0.1)
> def plot():
> robjects.r.plot([1,2,3,4],[1,2,3,4])
> refresh()
>
> thread.start_new_thread(plot,())
>
> Run this code with "python -i test1.py".
>
>
> #test2.py
> #r gui and process events all in the main thread
>
> from rpy2 import robjects
> from rpy2 import rinterface
> import thread
>
> def refresh():
> while True:
> rinterface.process_revents()
> time.sleep(0.1)
> def plot():
> robjects.r.plot([1,2,3,4],[1,2,3,4])
>
> plot()
> refresh()
>
>
> If you want to get interactive inputs, you need to make a thread for
> input and handle that from a main event loop (with a Queue or
> something).
>
> On Thu, Jul 23, 2009 at 4:00 PM, June Kim<junea...@gmail.com> wrote:
> > On Thu, Jul 23, 2009 at 2:44 PM, Laurent Gautier<lgaut...@gmail.com> wrote:
> >> I am curious to hear whether this is changing much, since the
> >> win32-specific
> >> fix proposed has been implemented since 2.0.3
> >> (http://rpy.sourceforge.net/rpy2/doc/html/changes.html#new-features)
> >
> > Yes, that works, too.
> >
> >>
> >> You can also see it for yourself here:
> >> http://bitbucket.org/lgautier/rpy2/src/6c793f1f1a37/rpy/rinterface/rinterface.c#cl-422
> >>
> >> The intriguing part is that it works with IDle but not with the (DOS)
> >> console (note that your bug report mentioned that at the time it was not
> >> working with IDle).
> >
> > The plot window isn't fully responsive in IDLE, too, with the solution
> > of "threading".
> >
> > As far as I know, R_ProcessEvents should be called from a main thread.
> >
> > From the R FAQ:
> >
> > 7.7 The console freezes when my compiled code is running.
> > =========================================================
> >
> > The console, pagers and graphics window all run in the same thread as
> > the R engine. To allow the console etc to respond to Windows events,
> > call `R_ProcessEvents()' periodically from your compiled code. If you
> > want output to be updated on the console, call `R_FlushConsole()' and
> > then `R_ProcessEvents()'.
> >
> >
> >>
> >>
> >> L.
> >>
> >>
> >>
> >> June Kim wrote:
> >>>
> >>> Look at how I solved that problem. I have no problem with plot window
> >>> currently.
> >>>
> >>>
> >>> http://sourceforge.net/tracker/?func=detail&atid=453021&aid=1944503&group_id=48422
> >>>
> >>>
> >>>
> >>> On Wed, Jul 22, 2009 at 12:45 AM, wayne jones<wayne_be...@hotmail.com>
> >>> wrote:
> >>>>
> >>>> Hi Everyone,
> >>>>
> >>>> I am trying to run the following simple script to test R graphics using
> >>>> rpy2:
> >>>>
> >>>>
> >>>> import rpy2.robjects as robjects
> >>>> r = robjects.r
> >>>> m = r.matrix(r.rnorm(100), ncol=5)
> >>>> pca = r.princomp(m)
> >>>> r.plot(pca, main="Eigen values")
> >>>>
> >>>>
> >>>> If I run this script from Idle everything works fine.
> >>>>
> >>>> However if I run this script line by line in the python terminal window
> >>>> then
> >>>> the graphics appears but no graph is displayed and when I try to move or
> >>>> resize the
> >>>> plot it fails and eventually crashes Python.
> >>>>
> >>>> If I run the script by just double clicking the script file, the graph
> >>>> does
> >>>> appear this time
> >>>> but exhibits strange resizing properties, such as only only being
> >>>> patrially
> >>>> displayed when the
> >>>> window is maximised. Furthermore the graphics menus (such as file->save
> >>>> as->jpeg) crash the
> >>>> R graphics window.
> >>>>
> >>>> I am very new to Python and rpy2 but have a good deal of experience with
> >>>> R.
> >>>>
> >>>> Am I missing something? Any help would be appreciated.
> >>>>
> >>>>
> >>>> My setup is:
> >>>>
> >>>> OS: Windows XP
> >>>> Python version: 2.6.2
> >>>> R version: 2.9.1
> >>>> rpy2: 2.06 (installed from rpy2-2.0.6.win32-py2.6.msi)
> >>>>
> >>>>
> >>>>
> >>>> Thanks,
> >>>>
> >>>> Wayne
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
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