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Defining an arrow
zenarrow(turn, angle = 80, length = 1, coord.scale = 1)
A 3-column matrix containing the (x,y) coordinates of the left edge end point, the arrow head and the right edge end point
The direction in which the arrow will point ("l", "r", "d", "u")
The angle
The length of the arrow in [0,1] from tip to base
Scale the coordinates of the arrow
Marius Hofert
Other graphical tools: l_ispace_config(), na_omit_loon(), plot_region(), vport()
l_ispace_config()
na_omit_loon()
plot_region()
vport()