it corrected, meaning that the next CRAN release
> should work.
>
> I also noted that fn is ignored for grids; it should work there too, so
> that the lengthy
>
> g.poly <- as(g, "SpatialPolygons")
>
> wouldn't be required. This still needs some wo
Hi all,
I'm trying to get the sum of value z for all points that fall within a grid
square. I've been trying to use the overlay function on a grid converted to
polygons, however, it returns the sum of the coordinates and the z values,
how can I have it return only the sum of z?
Also, once I have
