[R] or, you could consider R-spatial.

[Vladimir Eremeev]

http://r-spatial.sourceforge.net



Linda Smith wrote:
> 
> I have a netcdf gridded file with LCC projection. I can easily use
> image.plot to visualize it. However, as the axises are in X,Y, not Lat and
> Lon, I could not add state or country maps onto it (or lat lon
> information).
> I do have a grid2d file that describes the lat and lon for each (X,Y)
> grid,
> but the lat and lon are not regularly spaced, so I could not use
> image.plot.
> 
> Does anyone know how to plot this type of gridded data so that country or
> state borders can be easily added? Thanks a lot!
> 
> Linda
> 

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