Raster* objects. This adds methods for
SpatialPoints*, SpatialLines*, and SpatialPolygons*,
returning an empty character vector of length 1.
This function was created to give consistent, meaningful results for all
classes of objects plotted by Plot.
layerNames(object)
"layerNames"(object)
"layerNames"(object)
"layerNames"(object)
"layerNames"(object)
"layerNames"(object)Raster*, SpatialPoints*, SpatialLines*,
or SpatialPolygons* object; or list of these.