add_arrows_xy.Rd
Draw arrows from one point set to another
add_arrows_xy( xy_launch, xy_land, M, min_edge_frac = 0.95, r = 0, arw_lng = 0.1, lwd = 2, lamp = 1, clr = "darkgreen" )
origin point set
destination point set
the dispersal matrix
the fraction of mass to plot
the radius of a ring around destination points
the arrow length
scale the line width
arrow width scaling factor
the arrow color
invisible(NULL)