[R-sig-Geo] plot methods in sp
patrick.giraudoux at univ-fcomte.fr
Sat Dec 30 08:59:01 CET 2006
I am working since a while with the sp package and still wonder how the
plot methods are managed with sp spatial objects. For instance,
SpatialPolygonsDataFrame objects have obviously a plot method. However
it cannot be found in the list provided by methods(plot) . Furthermore
?plot.SpatialPolygonsDataFrame, nor ?plot.SpatialPolygons, etc.. provide
a help, though the lattice function spplot is adequately documented.
On the other hand, plot(myobject, border="grey"), with myobject a
SpatialPolygonsDataframe is well interpreted and recalls the syntax of
plot.polylist of matools (though myobject is far from being a polylist...).
Can anybody (especially the package's authors...) comment on this? Where
a help with the list of the plot function arguments can be found?
Thanks for any hint,
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