R help - Oct 2012 - impossible to fill point glyphs in a lattice plot

(sorry for repetition: the previous mail resulted from a weird manipulation
in the forum)

With the following code :

dat1 <- matrix(nrow=4, ncol=2)
dat1[1,] <- c(-2, 1)
dat1[2,] <- c(-1.7, 0.9)
dat1[3,] <- c(0.1, 0.6)
dat1[4,] <- c(0.5, 0.5)
theplot <- xyplot(V2 ~ V1, as.data.frame(dat1), pch=c(4,1,5,4))
plot(theplot, prefix="theplot") # for a predictable name
grid.edit("theplot.xyplot.points.panel.1.1", gp=gpar(lwd=c(2,2,2,2),
cex=c(2,3,3,2),
  col=1, fill=c("transparent", "grey", "grey",
"transparent")))


I would like to plot 4 points, and have the circle and diamond shapes
filledwith grey. What am I missing ?

Thanks by advance for your help,
Pierrick Bruneau
Research Fellow
CRP Gabriel Lippmann

	[[alternative HTML version deleted]]

I don't understand why my questions never get posted on the mailing list...
The one above is still unresolved.



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