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

Michael Lawrence lawrence.michael at gene.com
Thu Apr 28 05:51:44 CEST 2011


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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