add a node

add a node

node(
  x,
  y,
  r = 0.1,
  label = "",
  rx = r,
  ry = r,
  node_col = "grey80",
  border_col = "black",
  label_font = 1,
  label_col = "black",
  label_cex = 1,
  ...
)

Arguments

x	cental x position
y	central y position
r	radius of node
label	node label
rx	radius of node in x-direction
ry	radius of node in y-direction
node_col	colour of node
border_col	colour of node border
label_font	label font, see par()
label_col	colour of label
label_cex	size of label text
...	other formatting arguments to rect()