Very good question -- sorry to have left that info out of my posting.

windows()

Thanks for any help.

Bill


On Mon, Sep 30, 2013 at 4:46 PM, Bert Gunter <gunter.berton@gene.com> wrote:

> On Windows or X11, (others ???)
>
> ?getGraphicsEvent
>
> Cheers,
> Bert
>
> On Mon, Sep 30, 2013 at 7:46 AM, Stanislav Aggerwal
> <stan.aggerwal@gmail.com> wrote:
> > Consider the following:
> >
> > par(mar=c(0,0,0,0),xaxs = 'i',yaxs='i')
> > plot.new()
> > for(i in 1:20)
> >   {
> >   z <- matrix(runif(256*256), ncol=256)
> >   dev.hold()
> >   image(z, col=grey(0:255/255),zlim=c(0,1),useRaster=TRUE)
> >   dev.flush()
> >   Sys.sleep(.1)
> >   }
> >
> > I would like to continuously display the animation until a mouse click
> > happens. Obviously, locator() can't be used for this, because it will
> halt
> > the animation while waiting for the mouse click. So something like this
> > won't work:
> >
> > while((r<-locator(n=1)) == NULL)
> >   {
> >   z <- matrix(runif(256*256), ncol=256)
> >   dev.hold()
> >   image(z, col=grey(0:255/255),zlim=c(0,1),useRaster=TRUE)
> >   dev.flush()
> >   Sys.sleep(.1)
> >   }
> >
> > Can somebody suggest a way to get user input while displaying the
> > animation? I am willing to use a keypress if not the mouse. Essentially,
> I
> > need an input routine that does not wait for a response but just checks
> at
> > one instant (like kbhit in C).
> >
> > Thanks very much for any help.
> >
> > Stan
> >
> >         [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help@r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
>
>
> --
>
> Bert Gunter
> Genentech Nonclinical Biostatistics
>
> Internal Contact Info:
> Phone: 467-7374
> Website:
>
> http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm
>

	[[alternative HTML version deleted]]

