If you use map() with the projection= option, then see ?mapproject, which
allows you to
project arbitrary (long/lat) points with the previously defined projection.
Then you use
points() to overlay them onto the map.
HTH,
Ray Brownrigg
On Tue, 16 Feb 2010, Shaun Langley wrote:
> I have lat/lo
I have lat/lon coordinates in Michigan GeoRef that I need to re-project so
they can be shown over a Michigan county map generated from the Maps
library. I'm very confused as to how to do this. Can anyone help?
Thanks,
Shaun
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