I know I am preaching to the choir, but if anyone ever asks why OASIS standards specify a datum when using lat/long coordinates, attached is an example (and short) explanation. Written by Roger Lott (geodesy geek extraordinaire and current chairperson of The International Association of Oil & Gas producers ( OGP ) ). Cheers Carl Reed, PhD CTO and Executive Director Specification Program Open Geospatial Consortium
www.opengeospatial.org The OGC: Making Location Count! --------------------- This communication, including attachments, is for the exclusive use of addressee and may contain proprietary, confidential or privileged information. If you are not the intended recipient, any use, copying, disclosure, dissemination or distribution is strictly prohibited. If you are not the intended recipient, please notify the sender immediately by return email and delete this communication and destroy all copies. The important thing is not to stop questioning. -- Albert Einstein Security is mostly a superstition. It does not exist in nature. Life is either a daring adventure or nothing. -- Helen Keller Latitude and longitude coordinates are not unique.doc