[R-sig-Geo] spplot.points: one panel per level of a factor

[Edzer Pebesma]

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I don't think you are missing something here -- spplot doesn't do that
much more than the underlying lattice functions, and in particular it
tries to plot attributes of spatial features, using panels for
different attributes. Your question seems to only address plotting
points, sth that spplot does not try to.

You did not say which spplot options you want to take advantage of,
but suppose you want to add some referencing (a polygon), and remove
axis labels and tics, you might want to use:

library(sp)
demo(meuse, ask = FALSE)
xyplot(y~x|ffreq, as(meuse, "data.frame"), asp="iso",
	panel = function(x,y,...) {
		sp.polygons(meuse.riv)
		# anything else you want to do in every panel
		panel.xyplot(x,y,...)
	},
	scales = list(draw = FALSE),
	xlab = NULL, ylab = NULL
)

Hth,

On 10/03/2013 10:25 PM, Alexandre Villers wrote:
> Good evening,
> 
> I'm sure I'm missing something really obvious but I couldn't figure
> it out (or find the solution on the Internet). Is there a way to
> produce the same type of graph as
> 
> library(lattice) data(meuse) xyplot(y~x|ffreq, meuse, asp=1)
> 
> with spplot.points and a SpatialPointsDataFrame ?
> 
> I would like to represent the locations of different individuals
> on different panels but still  taking advantage of the spplot
> options.
> 
> Thanks in advance and sorry if this is a trivial question
> 
> Alex
> 
> [[alternative HTML version deleted]]
> 
> _______________________________________________ R-sig-Geo mailing
> list R-sig-Geo at r-project.org 
> https://stat.ethz.ch/mailman/listinfo/r-sig-geo
> 

- -- 
Edzer Pebesma
Institute for Geoinformatics (ifgi), University of Münster
Heisenbergstraße 2, 48149 Münster, Germany. Phone: +49 251
83 33081, Fax: +49 251 8339763 http://ifgi.uni-muenster.de
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