[R-sig-Geo] Lat / Long - x/y?

[Tom Gottfried]

Hi Sam,

Am 13.12.2011 13:27, schrieb Sam smith:
> Dear List i have been provided spatial data in the format lat/lon and i
> have realised that alot of functions in R require x/y coordinates i.e.
> positive integers only.

as far as I'm aware, coordinates are kept in numeric/double.

> I appreciate converting between the two is hard, taking into
> account projection, especially on the global scale that i am working.
>
> However i was wondering if there was a package / function that any body
> knew of that could do it? Or can arcGIS?

Could do what? Projection? In this case:

library(rgdal)
?spTransform

regards,
Tom

>
> Thanks
>
> Sam
>
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>
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