Configuring a loon plot to accommodate ispace
l_ispace_config(
  baseplot,
  ispace = NULL,
  x = NULL,
  y = NULL,
  xlim = NULL,
  ylim = NULL,
  ...
)The baseplot
The plot to be modified
The inner space (in [0,1])
The x data
The y data
The x-axis limits; if NULL, the data limits are used
The y-axis limits; if NULL, the data limits are used
Additional arguments passed to loon::l_configure
R. W. Oldford
Other graphical tools: 
na_omit_loon(),
plot_region(),
vport(),
zenarrow()