So the only difference between Tengfei and Yihui is hardware? Could you try downgrading your driver?<br><br>Michael<br><br><div class="gmail_quote">On Tue, May 3, 2011 at 10:44 AM, Yihui Xie <span dir="ltr"><<a href="mailto:xieyihui@gmail.com">xieyihui@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">the current Qt version is 4.7.2; the version in Ubuntu 10.10 should be<br>
4.7.0, I think.<br>
<div class="im"><br>
Regards,<br>
Yihui<br>
--<br>
Yihui Xie <<a href="mailto:xieyihui@gmail.com">xieyihui@gmail.com</a>><br>
Phone: 515-294-2465 Web: <a href="http://yihui.name" target="_blank">http://yihui.name</a><br>
Department of Statistics, Iowa State University<br>
2215 Snedecor Hall, Ames, IA<br>
<br>
<br>
<br>
</div>On Tue, May 3, 2011 at 12:23 PM, Michael Lawrence<br>
<div><div></div><div class="h5"><<a href="mailto:lawrence.michael@gene.com">lawrence.michael@gene.com</a>> wrote:<br>
> Yes, it's much more likely a change in Qt or the OpenGL stack that is<br>
> causing this issue, instead of R. Does Tengfei have a different Ubuntu<br>
> version? Could you please figure out the change in Qt versions?<br>
><br>
> Thanks,<br>
> Michael<br>
><br>
> On Tue, May 3, 2011 at 10:09 AM, Yihui Xie <<a href="mailto:xieyihui@gmail.com">xieyihui@gmail.com</a>> wrote:<br>
>><br>
>> I've tried R 2.12.1 and it did not work. R 2.14 under development did<br>
>> not work either. It looks more like a problem related to a certain<br>
>> update on Qt instead of R itself. I upgraded to Ubuntu 11.04 from<br>
>> 10.10 and there might also be a hardware driver update.<br>
>><br>
>> Regards,<br>
>> Yihui<br>
>> --<br>
>> Yihui Xie <<a href="mailto:xieyihui@gmail.com">xieyihui@gmail.com</a>><br>
>> Phone: 515-294-2465 Web: <a href="http://yihui.name" target="_blank">http://yihui.name</a><br>
>> Department of Statistics, Iowa State University<br>
>> 2215 Snedecor Hall, Ames, IA<br>
>><br>
>><br>
>><br>
>> On Wed, Apr 27, 2011 at 10:54 PM, Yihui Xie <<a href="mailto:xieyihui@gmail.com">xieyihui@gmail.com</a>> wrote:<br>
>> > My home laptop is using 2.13.0. Di must be working with 2.12.x or lower.<br>
>> ><br>
>> > Regards,<br>
>> > Yihui<br>
>> > --<br>
>> > Yihui Xie <<a href="mailto:xieyihui@gmail.com">xieyihui@gmail.com</a>><br>
>> > Phone: 515-294-2465 Web: <a href="http://yihui.name" target="_blank">http://yihui.name</a><br>
>> > Department of Statistics, Iowa State University<br>
>> > 2215 Snedecor Hall, Ames, IA<br>
>> ><br>
>> ><br>
>> ><br>
>> > On Wed, Apr 27, 2011 at 10:51 PM, Michael Lawrence<br>
>> > <<a href="mailto:lawrence.michael@gene.com">lawrence.michael@gene.com</a>> wrote:<br>
>> >><br>
>> >> On Apr 27, 2011 4:59 PM, "Yihui Xie" <<a href="mailto:xieyihui@gmail.com">xieyihui@gmail.com</a>> wrote:<br>
>> >>><br>
>> >>> I'm using the latest version of qtpaint from the github repository.<br>
>> >>><br>
>> >>> Just now I tested on my home laptop and the line width still works. I<br>
>> >>> know it also works on Di's Macbook.<br>
>> >>><br>
>> >><br>
>> >> Which version of R?<br>
>> >><br>
>> >>> I will reinstall R 2.12 tomorrow on the school laptop and see what<br>
>> >>> happens.<br>
>> >>><br>
>> >>> Regards,<br>
>> >>> Yihui<br>
>> >>> --<br>
>> >>> Yihui Xie <<a href="mailto:xieyihui@gmail.com">xieyihui@gmail.com</a>><br>
>> >>> Phone: 515-294-2465 Web: <a href="http://yihui.name" target="_blank">http://yihui.name</a><br>
>> >>> Department of Statistics, Iowa State University<br>
>> >>> 2215 Snedecor Hall, Ames, IA<br>
>> >>><br>
>> >>><br>
>> >>><br>
>> >>> On Wed, Apr 27, 2011 at 5:06 PM, Michael Lawrence<br>
>> >>> <<a href="mailto:lawrence.michael@gene.com">lawrence.michael@gene.com</a>> wrote:<br>
>> >>> > Are you sure that you are not using a new version of qtpaint now vs.<br>
>> >>> > before?<br>
>> >>> > That would be helpful to know, if true.<br>
>> >>> ><br>
>> >>> > Thanks,<br>
>> >>> > Michael<br>
>> >>> ><br>
>> >>> > On Wed, Apr 27, 2011 at 3:00 PM, Yihui Xie <<a href="mailto:xieyihui@gmail.com">xieyihui@gmail.com</a>><br>
>> >>> > wrote:<br>
>> >>> >><br>
>> >>> >> Hi,<br>
>> >>> >><br>
>> >>> >> I'm not sure if this is a problem related to R 2.13.0 or my<br>
>> >>> >> hardware,<br>
>> >>> >> but I just cannot draw thicker lines or segments now. They do not<br>
>> >>> >> appear on the screen but they are actually there, because brushing<br>
>> >>> >> still works. It worked when I was using R 2.12. Other graphical<br>
>> >>> >> elements are still OK with 2.13.<br>
>> >>> >><br>
>> >>> >> s = qscene()<br>
>> >>> >> root = qlayer(s)<br>
>> >>> >> n = 10<br>
>> >>> >> x = rnorm(n, 50, 15)<br>
>> >>> >> y = runif(n, 20, 80)<br>
>> >>> >> test_layer = qlayer(root, function(layer, painter) {<br>
>> >>> >> qdrawCircle(painter, x, y, r = 20, fill = "black")<br>
>> >>> >> qlineWidth(painter) = 3 # only 1 works<br>
>> >>> >> qdrawSegment(painter, 10, 10, 90, 90)<br>
>> >>> >> }, limits = qrect(0, 0, 100, 100))<br>
>> >>> >> qplotView(s)<br>
>> >>> >><br>
>> >>> >><br>
>> >>> >> > sessionInfo()<br>
>> >>> >> R version 2.13.0 (2011-04-13)<br>
>> >>> >> Platform: x86_64-pc-linux-gnu (64-bit)<br>
>> >>> >><br>
>> >>> >> locale:<br>
>> >>> >> [1] en_US.utf8<br>
>> >>> >><br>
>> >>> >> attached base packages:<br>
>> >>> >> [1] stats graphics grDevices utils datasets methods<br>
>> >>> >> base<br>
>> >>> >><br>
>> >>> >> other attached packages:<br>
>> >>> >> [1] qtbase_0.8-13 qtpaint_0.7.22<br>
>> >>> >><br>
>> >>> >><br>
>> >>> >> Regards,<br>
>> >>> >> Yihui<br>
>> >>> >> --<br>
>> >>> >> Yihui Xie <<a href="mailto:xieyihui@gmail.com">xieyihui@gmail.com</a>><br>
>> >>> >> Phone: 515-294-2465 Web: <a href="http://yihui.name" target="_blank">http://yihui.name</a><br>
>> >>> >> Department of Statistics, Iowa State University<br>
>> >>> >> 2215 Snedecor Hall, Ames, IA<br>
>> >>> >> _______________________________________________<br>
>> >>> >> Qtinterfaces-devel mailing list<br>
>> >>> >> <a href="mailto:Qtinterfaces-devel@lists.r-forge.r-project.org">Qtinterfaces-devel@lists.r-forge.r-project.org</a><br>
>> >>> >><br>
>> >>> >><br>
>> >>> >><br>
>> >>> >> <a href="https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/qtinterfaces-devel" target="_blank">https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/qtinterfaces-devel</a><br>
>> >>> ><br>
>> >>> ><br>
>> >><br>
>> ><br>
><br>
><br>
</div></div></blockquote></div><br>