[R] curvilinear grid

[Tom Sgouros]

Hello all:

A question from a new user.  I have data on a geo-referenced curvilinear
grid.  This is a grid with 75 rows and 51 columns, is not aligned
north-south, and the rows and columns are not straight. (And the
coordinates are in meters.)  I want to make image plots of this data,
but where the grid is deformed according to the correct locations of the
grid points, instead of coming out rectangular.

I've found the sp package, which seems to be kind of close to what I'm
after, but maybe I haven't figured out how to invoke it properly, or
maybe there's another package I haven't found yet.  Can anyone direct me
to how to use R to map this kind of data?  Is there an example someone
might be able to share with me?

Is there a collection of plots somewhere that someone might browse to
answer questions like this?

Many thanks,

 -tom

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