Draw arrows from a point set to itself

Draw arrows from a point set to itself

Usage

add_arrows_xx(
  xy,
  M,
  min_edge_frac = 0.99,
  r = 0,
  arw_lng = 0.1,
  lwd = 5,
  lamp = 1,
  arw_clr = "darkgreen",
  seg_clr = "#CCCCCC"
)

Arguments

xy

the point set

M

the dispersal matrix

min_edge_frac

the fraction of the mass to plot

r

the radius of a ring around destination points

arw_lng

the arrow length

lwd

scale the line width

lamp

arrow width scaling factor

arw_clr

the color to draw the arrow (asymetric part)

seg_clr

the color to draw the segment (symmetric part)

Value

invisible(NULL)