gtable.md
In gtable: Arrange 'Grobs' in Tables

as.gtable sensibly converts objects

Code
  as.gtable(g2, widths = unit(c(1, 1), "cm"))
Condition
  Warning:
  `widths` truncated to length 1.
Output
  TableGrob (1 x 1) "layout": 1 grobs
    z     cells   name                  grob
  1 1 (1-1,1-1) layout circle[GRID.circle.9]

Code
  as.gtable(g2, heights = unit(c(1, 1), "cm"))
Condition
  Warning:
  `heights` truncated to length 1.
Output
  TableGrob (1 x 1) "layout": 1 grobs
    z     cells   name                  grob
  1 1 (1-1,1-1) layout circle[GRID.circle.9]

Code
  as.gtable(1:5)
Condition
  Error in `as.gtable()`:
  ! Can't convert an integer vector to a <gtable>.

Code
  as.gtable(g1, foo = "bar")
Condition
  Error in `as.gtable()`:
  ! Arguments in `...` must be used.
  x Problematic argument:
  * foo = "bar"
  i Did you misspell an argument name?