One way would be to use the grid function arrow(). Paul Murrell's document on
"Integrating Grid Graphics Output
with Base Graphics Output" has an example of integrating grid graphics arrows
in base graphics.
There's also an Arrows() function in the package IDPMisc.
Mikkel
>Hi all,
>
>I've been using the arrows() function in plots a lot, but I'm not
>happy with the appearance of the arrow heads. I understand that arrows
>() doesn't offer more sophisticated arrowhead shapes like e.g. a
>filled triangle, possibly with choice of angle at the point. Does
>anyone know an easy way to achieve this?
>
>thanks
>Hendrik
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