Thanks for your message! Yes, the fault was with my configuration --- I changed the video card refresh rate setting from 75 Hz to 60 Hz and the behavior is no longer sluggish.
On Mon, Mar 31, 2008 at 4:03 AM, Prof Brian Ripley <[EMAIL PROTECTED]> wrote: > I don't see this on a much older and slower machine, so suspect a problem > with your Windows. It looks like something is set up to ask R to repaint > after the mouse pointer, whereas Windows ought to be doing that. Even > then, R uses double buffering, so the repaint should be fast (provided > graphics acceleration is turned on). > > If you want to try updated versions of R, we suggest you use 2.7.0 alpha > and not R-patched. But R updates will not solve Windows problems. > > > > On Mon, 31 Mar 2008, Richard Yeh wrote: > > > I just noticed when using 2.6.1, 2.6.2 (2008-02-08), 2.6.2pat > > (2008-02-21 r44582), and 2.6.2pat (2008-03-24 r44975) on my poor old > > Celeron D330 (2.6 GHz; 3.5 years old) running Windows XP, that the > > mouse cursor appears to be redrawn more sluggishly when the pointer is > > over R windows graphics devices than over the R console window or > > other applications' windows. The slowdown seems to start only after I > > plotting something in the window (running "windows()" to open the > > device does not cause any slowdown), but the behavior starts after a > > "plot(rnorm(100))". The slowdown seems to depend on the area of the R > > graphics window that is visible. The slowdown also occurs when moving > > the plot window. For example, if the graphics window is frontmost, > > and I want to move it until it is mostly offscreen, then the movement > > is jerky. However, once the window is mostly offscreen, dragging it > > back onto the screen is smooth and fast. (When I drag windows, I only > > see the frame, not the contents.) This seems to affect SDI and MDI > > modes. The Windows task manager confirms that when the plot window is > > frontmost, Rgui.exe takes most of the CPU time. > > > > My graphics card is based on an ATI Radeon 7000, with 32 MB of RAM. > > > > I am surprised that I never noticed this before. Nobody else seems to > > have reported it to the r-help list. Is this problem restricted to my > > system? (My work machine is much newer, and I do not notice the > > problem there.) > > > > -- > > 607-351-4838 / [EMAIL PROTECTED] > > > > ______________________________________________ > > 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. > > > > -- > Brian D. Ripley, [EMAIL PROTECTED] > 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 > -- 607-351-4838 / [EMAIL PROTECTED] ______________________________________________ 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.