[R-sig-Geo] sp and latticeExtra: add colorbar for layer drawn 'under'
Edzer Pebesma
edzer.pebesma at uni-muenster.de
Wed Sep 2 16:01:05 CEST 2015
On 09/02/2015 03:07 PM, Ben Tupper wrote:
> I can see in the source code, spplot.R, that SpatialPolygonsDataFrame and SpatialLinesDataFrame are handled by levelplot; thanks for pointing that out. That SpatialPointsDataFrame is handled by xyplot gives me pause now. In fact, if I think about it it confuses me, so I best not think about that first thing in the morning!
xyplot has the concept of one symbol per observation, with a colour, a
size, a symbol type. That is how I thought of plots of
SpatialPointsDataFrame at the time I wrote it.
--
Edzer Pebesma
Institute for Geoinformatics (ifgi), University of Münster,
Heisenbergstraße 2, 48149 Münster, Germany; +49 251 83 33081
Journal of Statistical Software: http://www.jstatsoft.org/
Computers & Geosciences: http://elsevier.com/locate/cageo/
Spatial Statistics Society http://www.spatialstatistics.info
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