This function converts a coordinate pair specifying a location in a
grid viewport() in grid units to a coordinate pair specifying a
location in device units relative to the lower left corner of the plotting
canvas.
gridToDevice(x = 0, y = 0, units = "native")
| x | x coordinate. |
|---|---|
| y | y coordinate. If no values are given for |
| units | Character string indicating the units of |
A tuple of coordinates in device units.
unit()
viewport()
convertX()
convertY()
current.transform()