[R-sig-Geo] spplot specifying printing character (pch) broken?

Edzer Pebesma edzer.pebesma at uni-muenster.de
Wed Feb 6 12:20:52 CET 2013


David, this is a bug that has now been corrected on r-forge.

Thanks for reporting,

On 02/02/2013 04:52 PM, d.g.rossiter at utwente.nl wrote:
> I believe some recent change to spplot has removed the possibility of specifying a printing character other than the default 16 (fill=T) or 1.
>
> The following code produces a plot of an attribute of a SpatialPointsDataFrame:
>
> require(gstat)
> data(jura)
> coordinates(jura.pred) <- ~Xloc + Yloc
> spplot(jura.pred, zcol="Co", col.regions=bpy.colors(64))
>
> In the past (as of 09-Feb-2012 if not later) the it was possible to specify a different printing character:
>
> spplot(jura.pred, zcol="Co", col.regions=bpy.colors(64), pch=2)
>
> and this is promised in the documentation of spplot:
>
>   pch
>       integer; plotting character to use; defaults to 16 if fill is TRUE, else 1
>
> However now with sp 1.0-5, lattice 0.20-13, running under R 2.15.2, the last-shown command prints only some of the points, all in black; the legend shows no characters.
>
> David Rossiter
> University of Twente (NL) / Faculty ITC
>
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>

-- 
Edzer Pebesma
Institute for Geoinformatics (ifgi), University of Münster
Weseler Straße 253, 48151 Münster, Germany. Phone: +49 251
8333081, Fax: +49 251 8339763  http://ifgi.uni-muenster.de
http://www.52north.org/geostatistics      e.pebesma at wwu.de



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