[R-sig-Geo] flip SpatialGridDataFrame across axis

[Sebastian P. Luque]

On Tue, 3 Nov 2009 07:40:59 +1100,
Michael Sumner <mdsumner at gmail.com> wrote:

> Hi Sebastian, I think the "north-south" note is referring to
> possibly-rotated grids (using the transform values supported by many
> formats) - not to "north vs. south" in orientation.

> You can easily flip a grid by reverting it (one band at a time) to an
> xyz image and using indexing. I find this approach the least confusing
> and easily repeatable.

[...]

Thanks for the quick reply Mike!!


Cheers,

-- 
Seb