Hi Felix,
I'm a bit stumped too - it's been a while since I've played around
with viewports in ggplot. I have a feeling that this might be due to
an old bug in grid that I thought had been fixed - you can't
downViewport to a viewport underneath a frame grob. I've cc'd Paul in
the hope that he might have a suggestion.
Hadley
2008/1/14 Felix Andrews <[EMAIL PROTECTED]>:
> list(...)
>
> I can not get at the grid viewports in a ggplot2 plot.
> I know there is supposed to be a viewport called "panel_1_1" but
> downViewport() can't find it. Has the viewport been popped?
> I had a quick look at the functions involved (eg ggplot_plot)
> but there is no obvious problem there.
>
> > library(ggplot2)
> > qplot(1:10, 1:10)
> > current.viewport()
> viewport[ROOT]
> > downViewport("panel_1_1")
> Error in downViewport.vpPath(vpPathDirect(name), strict, recording =
> recording) :
> Viewport 'panel_1_1' was not found
> > current.vpTree()
> viewport[ROOT]->(viewport[GRID.VP.1])
> > grid.ls(viewports=T, grob=F)
> ROOT
> GRID.VP.2
> 1
> GRID.VP.3
> layout
> strip_h_1_1
> 1
> strip_v_1_1
> 1
> axis_h_1_1
> 1
> axis_v_1_1
> 1
> panel_1_1
> 2
> layout
> panel_1_1
> 2
> layout
> axis_v_1_1
> left_axis
> labels
> 1
> ticks
> 2
> left_axis
> ticks
> 2
> left_axis
> labels
> 2
> 2
> layout
> axis_h_1_1
> bottom_axis
> labels
> 1
> ticks
> 2
> bottom_axis
> ticks
> 2
> bottom_axis
> labels
> 2
> 2
> layout
> panel_1_1
> 2
> layout
> panel_1_1
> 2
> layout
> panel_1_1
> 2
> 1
> GRID.VP.4
> 1
> GRID.VP.5
> 1
> GRID.VP.6
> 1
>
> > sessionInfo()
> R version 2.6.1 (2007-11-26)
> i386-pc-mingw32
>
> locale:
> LC_COLLATE=English_Australia.1252;LC_CTYPE=English_Australia.1252;LC_MONETARY=English_Australia.1252;LC_NUMERIC=C;LC_TIME=English_Australia.1252
>
> attached base packages:
> [1] splines grid stats graphics grDevices utils datasets
> [8] methods base
>
> other attached packages:
> [1] ggplot2_0.5.7 colorspace_0.95 RColorBrewer_1.0-2 MASS_7.2-38
> [5] proto_0.3-8 reshape_0.8.0
>
> loaded via a namespace (and not attached):
> [1] tools_2.6.1
>
>
> --
> Felix Andrews / 安福立
> PhD candidate
> Integrated Catchment Assessment and Management Centre
> The Fenner School of Environment and Society
> The Australian National University (Building 48A), ACT 0200
> Beijing Bag, Locked Bag 40, Kingston ACT 2604
> http://www.neurofractal.org/felix/
> 3358 543D AAC6 22C2 D336 80D9 360B 72DD 3E4C F5D8
>
>
> ______________________________________________
> 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.
>
>
--
http://had.co.nz/
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