[RQt-devel] unable to draw lines/segments with width>1

[Michael Lawrence]

Yes, it's much more likely a change in Qt or the OpenGL stack that is
causing this issue, instead of R. Does Tengfei have a different Ubuntu
version? Could you please figure out the change in Qt versions?

Thanks,
Michael

On Tue, May 3, 2011 at 10:09 AM, Yihui Xie <xieyihui at gmail.com> wrote:

> I've tried R 2.12.1 and it did not work. R 2.14 under development did
> not work either. It looks more like a problem related to a certain
> update on Qt instead of R itself. I upgraded to Ubuntu 11.04 from
> 10.10 and there might also be a hardware driver update.
>
> Regards,
> Yihui
> --
> Yihui Xie <xieyihui at gmail.com>
> Phone: 515-294-2465 Web: http://yihui.name
> Department of Statistics, Iowa State University
> 2215 Snedecor Hall, Ames, IA
>
>
>
> On Wed, Apr 27, 2011 at 10:54 PM, Yihui Xie <xieyihui at gmail.com> wrote:
> > My home laptop is using 2.13.0. Di must be working with 2.12.x or lower.
> >
> > Regards,
> > Yihui
> > --
> > Yihui Xie <xieyihui at gmail.com>
> > Phone: 515-294-2465 Web: http://yihui.name
> > Department of Statistics, Iowa State University
> > 2215 Snedecor Hall, Ames, IA
> >
> >
> >
> > On Wed, Apr 27, 2011 at 10:51 PM, Michael Lawrence
> > <lawrence.michael at gene.com> wrote:
> >>
> >> On Apr 27, 2011 4:59 PM, "Yihui Xie" <xieyihui at gmail.com> wrote:
> >>>
> >>> I'm using the latest version of qtpaint from the github repository.
> >>>
> >>> Just now I tested on my home laptop and the line width still works. I
> >>> know it also works on Di's Macbook.
> >>>
> >>
> >> Which version of R?
> >>
> >>> I will reinstall R 2.12 tomorrow on the school laptop and see what
> >>> happens.
> >>>
> >>> Regards,
> >>> Yihui
> >>> --
> >>> Yihui Xie <xieyihui at gmail.com>
> >>> Phone: 515-294-2465 Web: http://yihui.name
> >>> Department of Statistics, Iowa State University
> >>> 2215 Snedecor Hall, Ames, IA
> >>>
> >>>
> >>>
> >>> On Wed, Apr 27, 2011 at 5:06 PM, Michael Lawrence
> >>> <lawrence.michael at gene.com> wrote:
> >>> > Are you sure that you are not using a new version of qtpaint now vs.
> >>> > before?
> >>> > That would be helpful to know, if true.
> >>> >
> >>> > Thanks,
> >>> > Michael
> >>> >
> >>> > On Wed, Apr 27, 2011 at 3:00 PM, Yihui Xie <xieyihui at gmail.com>
> wrote:
> >>> >>
> >>> >> Hi,
> >>> >>
> >>> >> I'm not sure if this is a problem related to R 2.13.0 or my
> hardware,
> >>> >> but I just cannot draw thicker lines or segments now. They do not
> >>> >> appear on the screen but they are actually there, because brushing
> >>> >> still works. It worked when I was using R 2.12. Other graphical
> >>> >> elements are still OK with 2.13.
> >>> >>
> >>> >> s = qscene()
> >>> >> root = qlayer(s)
> >>> >> n = 10
> >>> >> x = rnorm(n, 50, 15)
> >>> >> y = runif(n, 20, 80)
> >>> >> test_layer = qlayer(root, function(layer, painter) {
> >>> >>    qdrawCircle(painter, x, y, r = 20, fill = "black")
> >>> >>    qlineWidth(painter) = 3  # only 1 works
> >>> >>    qdrawSegment(painter, 10, 10, 90, 90)
> >>> >> }, limits = qrect(0, 0, 100, 100))
> >>> >> qplotView(s)
> >>> >>
> >>> >>
> >>> >> > sessionInfo()
> >>> >> R version 2.13.0 (2011-04-13)
> >>> >> Platform: x86_64-pc-linux-gnu (64-bit)
> >>> >>
> >>> >> locale:
> >>> >> [1] en_US.utf8
> >>> >>
> >>> >> attached base packages:
> >>> >> [1] stats     graphics  grDevices utils     datasets  methods   base
> >>> >>
> >>> >> other attached packages:
> >>> >> [1] qtbase_0.8-13  qtpaint_0.7.22
> >>> >>
> >>> >>
> >>> >> Regards,
> >>> >> Yihui
> >>> >> --
> >>> >> Yihui Xie <xieyihui at gmail.com>
> >>> >> Phone: 515-294-2465 Web: http://yihui.name
> >>> >> Department of Statistics, Iowa State University
> >>> >> 2215 Snedecor Hall, Ames, IA
> >>> >> _______________________________________________
> >>> >> Qtinterfaces-devel mailing list
> >>> >> Qtinterfaces-devel at lists.r-forge.r-project.org
> >>> >>
> >>> >>
> >>> >>
> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/qtinterfaces-devel
> >>> >
> >>> >
> >>
> >
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/qtinterfaces-devel/attachments/20110503/8978cdcc/attachment.htm>