Minti,

For spatial objects (points, lines, polygons) you can use spTransform in
the rgdal package. For gridded data, as is the case here, you can use
projectRaster from the raster package.

Robert

On Mon, Oct 22, 2012 at 2:26 PM, Struve,Juliane <jstruve@ufl.edu> wrote:

> Hi Minti,
>
> Have a look at convUL() in package PBSmapping.
>
> Regards,
>
> Juliane
>
> -----Original Message-----
> From: r-sig-geo-bounces@r-project.org [mailto:
> r-sig-geo-bounces@r-project.org] On Behalf Of alemante zd
> Sent: Monday, October 22, 2012 5:16 PM
> To: r-sig-geo@r-project.org
> Subject: [R-sig-Geo] converting UTM to decimal (latitude and longitude)
>
> Dear all,
>
> I have an ascii grid file based on UTM coordinates. How can I transform it
> to decimal format.
>
> Regards
> Minti
>
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>
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