Defining an arrow

zenarrow(turn, angle = 80, length = 1, coord.scale = 1)

Arguments

turn

The direction in which the arrow will point ("l", "r", "d", "u")

angle

The angle

length

The length of the arrow in [0,1] from tip to base

coord.scale

Scale the coordinates of the arrow

Value

A 3-column matrix containing the (x,y) coordinates of the left edge end point, the arrow head and the right edge end point

See also

Other graphical tools: l_ispace_config(), na_omit_loon(), plot_region(), vport()

Author

Marius Hofert