I want to draw a grid rectangle without a border.
?gpar says:
"Specifying the value NULL for a parameter is the same as not specifying any
value for that parameter, except for col and fill, where NULL indicates not
to draw a border or not to fill an area (respectively)."
pushViewport(viewport(height=unit(.8, "npc")))
grid.rect(gp=gpar(col=NULL, fill="green"))
popViewport()
Still a border is drawn. What am I doing wrong?
TIA, Mark
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