Thanks, but it does NOT work using a loop (your
example without loop works):
trellis.device("postscript", file = "PSFile.ps")
for (i in 1:1)
{
plot(Loblolly)
}
dev.off()
Just an empty postscript file.
Karl.
--- Uwe Ligges <[EMAIL PROTECTED]> :>
> Note that this is a lattice plot:
>
> class(Loblolly)
> [1] "nfnGroupedData" "nfGroupedData" "groupedData"
> "data.frame"
>
> Thus, the method plot.nfnGroupedData() producing a
> lattice plot is
> called by the generic plot().
>
> So, you don't want to start postscript(), but
> trellis.device("postscript", file = "PSFile.ps")
> plot(Loblolly)
> dev.off()
>
> Uwe Ligges
>
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