[R-sig-Geo] Create a mask with 1 deg latitudinal bands

[Michael Sumner]

How about this?

library(raster)

## quick way to get 1-degree raster with your extents
r <- crop(raster(), extent(-58,-48,-17,-2))
r2 <- setValues(r, rowFromCell(r, 1:ncell(r)))
plot(r2)



On Tue, Jun 18, 2013 at 1:10 AM, ppanday <ppanday at clarku.edu> wrote:
> Hi, I am trying to create a mask within a specified extent [ext <-
> extent(-58,-48,-17,-2)] that has 1 degree latitudinal band masks. So every 1
> degree is a different number category. Eventually, I want to use it in zonal
> (as a mask) to obtain zonal statistics.
>
> I have a way that is a bit roundabout and I was trying to see if there is a
> more straightforward option.
>
> Sincerely
> Prajjwal
>
>
>
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>
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-- 
Michael Sumner
Hobart, Australia
e-mail: mdsumner at gmail.com