Subject:
[R] Call to trellis.focus(); thenpanel.superpose()
From:
John Maindonald <john.maindonald@anu.edu.au>
Date:
Mon, 29 Nov 2004 21:46:00 +1100
To:
r-help@stat.math.ethz.ch

The following works fine with the x11 device, though it
may well be that an initial plot is overwritten.  With a pdf
or postscript device, I get two plots, the first of which
still has the red border from having the focus, while the
second is the plot that I want.

        library(lattice); library(grid)
        plt <- xyplot(uptake ~ conc, groups=Plant, data=CO2)
        print(plt)
        trellis.focus("panel", row=1, column=1)
        arglist=trellis.panelArgs()
        arglist$type <- "l"
        do.call("panel.superpose", args=arglist)
        trellis.unfocus()

Should I be able to use panel.superpose() in this way?

The new abilities provided by trellis.focus() etc add
greatly to the flexibility of what can be done with lattice
plots.  The grid-lattice combination is a great piece of
software.

John Maindonald             email: john.maindonald@anu.edu.au
phone : +61 2 (6125)3473    fax  : +61 2(6125)5549
Centre for Bioinformation Science, Room 1194,
John Dedman Mathematical Sciences Building (Building 27)
Australian National University, Canberra ACT 0200.

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