| grid.xaxis {grid} | R Documentation |
This function draws an x-axis.
grid.xaxis(at = NULL, label = TRUE, main = TRUE, gp = gpar(),
draw = TRUE, vp = NULL)
at |
A numeric vector of x-value locations for the tick marks. |
label |
A logical value indicating whether to draw the labels on the tick marks. |
main |
A logical value indicating whether to draw the axis
at the bottom (TRUE) or at the top (FALSE) of the
viewport. |
gp |
An object of class gpar, typically the output
from a call to the function gpar. This is basically
a list of graphical parameter settings. |
draw |
A logical value indicating whether graphics output should be produced. |
vp |
A Grid viewport obect (or NULL). |
The "grob" object contains an object of class "xaxis".
An object of class "grob".
Paul Murrell