[gdal-dev] Re: Do we have to know UTM zone a priori to convert to UTM from lat/lon

Tim Osborn tosborn at sbcglobal.net
Mon Sep 12 17:58:09 EDT 2011


UTM Zone = int(1+([Longitude]+180.0)/6.0)

Using this equation a point exactly on a West UTM boundary would be
considered in that Zone. A point exactly on an East UTM boundary would be
considered to be in the UTM Zone to the immediate East.

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