[R-sig-Geo] grid has empty column/rows warning

[G. Allegri]

Thanks Edzer. It's a sparse grid, indeed. I created it as SpatialPixels.
I won't care... :-)

2008/4/7, Edzer Pebesma <edzer.pebesma at uni-muenster.de>:
> G. Allegri wrote:
> > Hi list,
> > what does this warning mean?
> >
> > "Warning in points2grid(points,tolerance):
> > grid has empty columns/rows in dimension 1"
> >
> >
> That, when forming a grid from points, complete rows/columns are emtpy.
> Dimension 1 is x.
> > It gets out when doing an overlay between points and grid
> > [overlay(grid, pointsdataframe)], with sp package.
> >
> >
> Probably because it converts a SpatialPixels object (points on a grid) to
> the full grid representation.
> > I receive a complete list of values for the points, uploaded from the
> > grid, but I don't know if I have to care about the warning...
> >
> >
> Probably not.
> --
> Edzer
> > Giovanni
> >
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>
>