[R] how to plot image() without painting a map (the background)

[hadley wickham]

> I would like to plot akilonlat03 and then akilonlat06 and keep the map of
> France in background.
> My script (see below) doesn't work as image "paints" the background as I
> read somewhere in this forum.

I don't see how you can plot both temperatures on the same plot -
won't they be on top of one another?  (And it seems obvious that you
should want to plot the map last, rather than first)

Hadley

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