Hi Yyan,
The proj4R package by Roger Bivand will allow you to project data in many ways and directions.
http://spatial.nhh.no/R/Devel/proj4R-pkg.pdf
It uses the proj libraries from:
http://www.remotesensing.org/proj/
Not sure where you would derive the time zone!
Good luck,
Sander.
yyan liu wrote:
Hi: Is there any function in R which can convert the long/lat to UTM(Universal Transverse Mercator)? There are quite a few converters on Internet. However, the interface is designed as input->output which I can not convert lots of locations at the same time. Another question is whether there is a function in R which can tell the time zone from the location's lat/long? Thank you!
liu
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