On Tue, Apr 28, 2009 at 11:51 AM, Sebastien Bihorel
<sebastien.biho...@cognigencorp.com> wrote:
> Dear R-users,
>
> I am trying to understand what the different padding arguments in
> trellis.par.set are exactly controlling the space around lattice plots. I
> have used the following code as a basis for testing but it did not really
> help me to visualize how the value of each argument changes the margins and
> the plotting area. I guess a better way to visualize the effects of these
> padding items would be to create colored polygons for each related "area" of
> interest... but I would need to know what are these areas beforehand!
You can retrieve the undelying grid layout and show it using
library(grid)
grid.show.layout(lattice:::lattice.getStatus("layout.details")$page.layout)
which is close to what you are describing. Otherwise, there's no easy
way to insert polygons in these areas that I know of.
You could try setting negative padding values to see what they do.
-Deepayan
> Any advise on how to improve this code would be greatly appreciated.
>
> Sebastien
>
> #######################
> library(lattice)
> foo <-
> data.frame(x=rep(seq(10),9),y=rep(seq(10),9),z=rep(0,90),id=rep(seq(9),each=10))
> plot1 <- xyplot(y+z~x|id,
> data=foo,
> type=c("p","l"),
> distribute.type = TRUE,
> main="This is a test",
> sub="Subtitle",
> auto.key=T)
> trellis.device(pdf, file = "trellis_par_test.pdf",
> paper="letter",
> #family="Courier",
> theme = list(fontsize = list(text = 10, points = 10)))
> trellis.par.set(layout.widths =list(left.padding=0,
> right.padding=0),
> layout.heights=list(top.padding =1,
> main.key.padding =1,
> axis.xlab.padding=1,
> key.sub.padding =1,
> bottom.padding =1),
> axis.components=list(top=list(tck=1,
> pad1=1,
> pad2=1), right=list(tck=1,
> pad1=1,
> pad2=1))) print(plot1)
> dev.off()
> ###########################
>
>
>
> --
> *Sebastien Bihorel, PharmD, PhD*
> PKPD Scientist
> Cognigen Corp
> Email: sebastien.biho...@cognigencorp.com
> <mailto:sebastien.biho...@cognigencorp.com>
> Phone: (716) 633-3463 ext. 323
>
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