You could try
require(grid)
trellis.focus()
names(iris)[round(unlist(grid.locator()))]
trellis.unfocus()
cheers
On Tue, Dec 11, 2012 at 11:59 AM, Eric Stone <eric.st...@temple.edu> wrote:
> Hi,
> I'd like to be able to generate a splom plot in R and then use my mouse to
> click on one of the sub-panels (panel.pairs, specifically) and have R
> return either the coordinates of that sub-panel, or even better, the names
> of the corresponding variables plotted in that sub-panel.
>
> Here's an example to work with:
>
> > library(lattice)
> > splom(~iris[1:4], groups = Species, data = iris,
> + panel = panel.superpose,
> + key = list(title = "Three Varieties of Iris",
> + columns = 3,
> + points = list(pch = super.sym$pch[1:3],
> + col = super.sym$col[1:3]),
> + text = list(c("Setosa", "Versicolor", "Virginica"))))
>
> This is what I've been able to come up with so far, but I know it's not
> what I need. I'd like to be able to select an entire sub-panel
>
> > trellis.focus()
> > panel.link.splom() #click on a point in the plot, then hit 'esc'
>
> [1] 80 111
>
> > trellis.unfocus() #to end trellis.focus
>
> Thanks for your help,
> Eric
>
>
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>
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>
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