Produces (and possibly draws) a Grid frame grob which is a colorkey that can be placed in other Grid plots. Used in levelplot
draw.colorkey(key, draw=FALSE, vp=NULL)
A list determining the key. See documentation for
levelplot
, in particular the section describing the
colorkey
argument, for details.
logical, whether the grob is to be drawn.
viewport
A Grid frame object (that inherits from "grob"
)