gtable(grobs = list(), layout = NULL, widths = list(),
heights = list(), respect = FALSE, name = "layout")
t
, r
, b
, l
giving
top, right, bottom and left positions respectively,
clip
a string, either "on"
, "off"
ogrid.layout
for more
detailsIt constructs both the viewports and the gTree needed to display the table.