Create a list of settings for a legend.
amLegend(
  position = "bottom",
  maxHeight = NULL,
  scrollable = FALSE,
  maxWidth = 220,
  itemsWidth = 20,
  itemsHeight = 20
)A list of settings for a legend.
legend position
maximum height for a horizontal legend
(position = "bottom" or position = "top")
whether a vertical legend should be scrollable
maximum width for a vertical legend
(position = "left" or position = "right"); set it to
NULL for no limit
width of the legend items
height of the legend items