[R] lattice color problem with symbols: bug?

[John Kane]

When I tryyyour code I am getting unfilled symbols, no
colour.
--- Stefan Grosse <singularitaet at gmx.net> wrote:

> Dear useR's,
> 
> I have a problem with the lattice plotting of some
> symbols:
> 
> library(lattice)
> 
>
test<-data.frame(x=c(2,3,1,5),u=c(rep(1,2),rep(2,2)),g=c(rep(c(1,2),2)))
> 
> xyplot(x~u,groups=g,
>  data=test,
>  par.settings=list(
>     superpose.symbol=list(pch=c(22,
> 23),cex=c(1.7,1.6),col="black")
>     ),
>  key=list(
>     text=list(c("t1","t2")),
>     space = "bottom",pch=c(23, 22),
>     points=F,
>     cex=1.0,
>     col="black"
>     ),
> )
> 
> As you see the symbols which have been plotted into
> the plotting area appear 
> to have some filling color while in the legend there
> is no filling color 
> although the specification of the symbols is the
> same.
> 
> If I use a normal plot command, the symbols are also
> not filled:
> plot(c(1,2,3),c(1,2,3),pch=c(22,23,24),cex=1.5)
> 
> That problem must have occured during a recent
> lattice update since the color 
> was not there when I was plotting a year ago with
> R2.5.x and some older 
> lattice. It occurs on my linux as well as on my
> windows machine both with R 
> 2.6.1 and latest lattice from CRAN.
> 
> So here my questions: How do I get rid of the color?
> (or is it a bug?) If it 
> is a feature, so how do I determine the color in
> both the symbols in the 
> legend and in the plot itself? (Actually I was
> overlaying two plots e.g. one 
> colored diamond and one empty diamond to achieve
> that effect but if there is 
> a more efficient way to draw bordered symbols with
> customized color that 
> would be preferable...)
> 
> Stefan
> 
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