Hi Don, I'm assuming you mean UTM zone?
For UTM, given the zone number the formula for central meridian is: zone * 6 - 183 UTM zones are 6 degrees wide. >From this, you can generate the math for going in the other direction. Thanks, Orest. From: [email protected] [mailto:[email protected]] On Behalf Of Don C. MacGregor Sent: Wednesday, January 28, 2009 12:26 PM To: [email protected] Subject: [mapguide-users] Longitude, Zone and Reference meridian Hi folks There is a linear relationship among Longitude, Zone and Reference meridian, does anyone know any formula to calculate Zone and Reference Meridian if I know Longitude? Thanks ________________________________ Be smarter than spam. See how smart SpamGuard is at giving junk email the boot with the All-new Yahoo! Mail <http://ca.promos.yahoo.com/newmail/overview2/>
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