Dear list,
I'm trying to get two lattice plots aligned on a page. They should
share a common x axis, hence the need for perfect alignment, but the
data is taken from unrelated, separate sources (it is therefore
inappropriate to combine them and use facetting to get an automatic
layout: the legend and y axis need to be different). I can get the
panels to be of the same size, but they have an horizontal offset due
to a differing size of the legend / ylabel.
Here's an example of what I've tried,
library(grid)
library(lattice)
x <- seq(0, 10, length=100)
y <- sin(x)
f <- rep(c("1", "2"), each=50)
p1 <- xyplot(y~x,groups=f, ylab="BIG LABEL",
auto.key=list(space="right"))
p2 <- xyplot(y~x, ylab="a")
pushViewport(viewport(layout=grid.layout(nrow = 2, ncol = 1 ,
widths=unit(6, "inches"),
heights=unit(c(3, 2), "inches"))))
pushViewport(viewport(layout.pos.col=1, layout.pos.row=1, just="center",
name = "top"))
print(p1, newpage=F, panel.width=list(4, "inches"),
panel.height=list(2.5, "inches"))
upViewport()
pushViewport(viewport(layout.pos.col=1, layout.pos.row=2, just="center",
name = "bottom"))
print(p2, newpage=F, panel.width=list(4, "inches"),
panel.height=list(1.5, "inches"))
upViewport()
I'm sure there is a clever trick to get the panels to be aligned as
opposed to the whole plots, but I can't see it.
Many thanks,
baptiste
_____________________________
Baptiste Auguié
School of Physics
University of Exeter
Stocker Road,
Exeter, Devon,
EX4 4QL, UK
Phone: +44 1392 264187
http://newton.ex.ac.uk/research/emag
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