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

Michael Lawrence lawrence.michael at gene.com
Tue May 3 20:44:31 CEST 2011


So the only difference between Tengfei and Yihui is hardware? Could you try
downgrading your driver?

Michael

On Tue, May 3, 2011 at 10:44 AM, Yihui Xie <xieyihui at gmail.com> wrote:

> the current Qt version is 4.7.2; the version in Ubuntu 10.10 should be
> 4.7.0, I think.
>
> 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 Tue, May 3, 2011 at 12:23 PM, Michael Lawrence
> <lawrence.michael at gene.com> wrote:
> > 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
> >> >>> >
> >> >>> >
> >> >>
> >> >
> >
> >
>
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