[R] projections

Ray Brownrigg Ray.Brownrigg at ecs.vuw.ac.nz
Tue Feb 16 04:00:18 CET 2010

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.

Ray Brownrigg

On Tue, 16 Feb 2010, Shaun Langley wrote:
> 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
> 	[[alternative HTML version deleted]]
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