Platform: WinXP, Splus 6.2 Professional for
Windows Network
I am using the following code to generate some
xy-plots
for a presentation that I need to give:
trellis.device(graphsheet,
file="C:/..blah../Graph##.jpg", format="JPEG")
tmp.strip.bg <- trellis.par.get("strip.background")
tmp.plot.sym <- trellis.par.get("plot.symbol")
tmp.add.line <- trellis.par.get("add.line")
tmp.strip.shing <- trellis.par.get("strip.shingle")
tmp.add.text <- trellis.par.get("add.text")
tmp.main.label <- trellis.par.get("main.label")
tmp.strip.bg$col[1] <- 13
tmp.plot.sym$pch <- 6
tmp.plot.sym$cex <- 1.2
tmp.add.line$lwd <- 4
tmp.strip.shing$col <- 13
tmp.main.label$cex <- 1.2
tmp.add.text$cex <- 1.2
trellis.par.set("strip.background", tmp.strip.bg)
trellis.par.set("plot.symbol",tmp.plot.sym)
trellis.par.set("add.line",tmp.add.line)
trellis.par.set("strip.shingle",tmp.strip.shing)
trellis.par.set("main.label",tmp.main.label)
trellis.par.set("add.text",tmp.add.text)
xyplot(Y ~ X | Z, data = PlotData.frame,
xlab = "...", ylab = "...",
panel = function(x, y)
{
panel.xyplot(x,y)
panel.loess(x,y,span = .75)
panel.grid(h=-1, v=-1, lwd = 1)
},
between = list(x = .75, y = .75),
main = "...",
strip = function(...)
{
strip.default(...,
par.strip.text = list(cex=1.1) )
}
)
Here are my questions:
(1) The outputted .jpg files are nice, but have lower
resolution than what I need; is there a way to
increase
the resolution so that the graphs look nice when
projected on a screen?
(2) The strip.default(...) option does indeed cause
the fontsize of the strip labels to increase, but
the strip heights are not changing to accommodate
them.
Is there a way to cause the strips to increase in
height?
(3) I have searched high and low (Splus manuals,
online
documentation, Splus listserv records) and have not
found a way to get Splus to tell me what my options
are with respect to the "col = ... " option in trellis
graphics. Does someone know how to do this?
Thank you for your help,
Greg
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