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Subject: RE: [emergency] Re: Circle and Polygon
We agreed early on in CAP to stick to one global coordinate reference
system to remove all chance of mis-communication. I think this was/is
the right thing to do. NATO and most military coalitions that need to
interoperate have settled on this method. There have been many deadly
mistakes caused by a misunderstanding of CRSs.
If there is a requirement to use different reference systems I suggest
they be -in addition to - Or - it be very apparent that a non-standard
CRS is being used. Users should not be able to get to the coordinates
without knowing what CRS is being used.
Dave
David M. Danko
GIS Standards
Environmental Systems Research Institute, Inc.
8620 Westwood Center Drive
Vienna, VA 22182-2214
USA
E-mail: ddanko@esri.com
Tel: 703-506-9515 x 8011
Mobile: 703-989-1863
Fax: 703-506 9514