[Mapserver-users] RE: latitude and longitude

[Ed McNierney]

Ryanne -

If you are working with a map in a "geographic" projection (where you assume latitude and longitude make a rectangular grid) then the longitude (east-west) is usually the X coordinate, and latitude is usually the Y coordinate.  There's no reason you couldn't turn the Earth so the equator was a vertical line up the middle of your map, but people just don't seem to do it that way.

	- Ed

Ed McNierney
President and Chief Mapmaker
TopoZone.com / Maps a la carte, Inc.
73 Princeton Street, Suite 305
North Chelmsford, MA  01863
ed at topozone.com
(978) 251-4242 

-----Original Message-----
From: ryanne cruz [mailto:ryanne.cruz at up.edu.ph]
Sent: Thursday, March 13, 2003 10:36 AM
To: mapserver-users at lists.gis.umn.edu
Subject: [Mapserver-users] RE: latitude and longitude


 
hi list. 
 
im sorry if this had been asked before and i have read someone post that when 
you query for x(geom) you are referring to the longitude and y(geom) with the 
latitude. is this correct? because i am getting very confused! 
 
thanks for all the help. we will soon be uploading our site and i hope you'll 
have the time to see it. i'll post next time our website.  
 
ryanne 
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