require("grid")
require("lattice")
fred = data.frame(x=1:5,y=runif(5))
vplayout <- function (x,y) viewport(layout.pos.row=x, layout.pos.col=y)
grid.newpage()
pushViewport(viewport(layout=grid.layout(2,2)))
p = xyplot(y~x,fred)
print( p,newpage=FALSE,draw.in=vplayout(2,2)$name)
On Mon, Jul 12, 2010 at 8:58 AM, Felix Andrews <fe...@nfrac.org> wrote:
>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>
> Yes, please, reproducible code.
>
>
>
> On 10 July 2010 00:49, Mark Connolly <wmcon...@ncsu.edu> wrote:
>> I am attempting to plot a trellis object on a grid.
>>
>> vplayout = viewport(layout.pos.row=x, layout.pos.col=y)
>>
>> grid.newpage()
>> pushViewport(viewport(layout=grid.layout(2,2)))
>>
>> g1 = ggplot() ...
>> g2 = ggplot() ...
>> g3 = ggplot() ...
>> p = xyplot() ...
>>
>> # works as expected
>> print(g1, vp=vplayout(1,1))
>> print(g2, vp=vplayout(1,2))
>> print(g3, vp=vplayout(2,1))
>>
>> # does not work
>> print( p,
>> newpage=FALSE,
>> draw.in=vplayout(2,2)$name)
>>
>> Error in grid.Call.graphics("L_downviewport", name$name, strict) :
>> Viewport 'GRID.VP.112' was not found
>>
>>
>> What am I doing wrong?
>>
>> Thanks!
>>
>> ______________________________________________
>> 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.
>>
>
>
>
> --
> Felix Andrews / 安福立
> http://www.neurofractal.org/felix/
>
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