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!

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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