Alige, >From European Datum 1950 (ED50) to WGS84 Datum, the TR8350.2 published parameters for Iran are: Delta a = -251 Delta f x 10^4 = -0.14192702 Delta X = -117, plus or minus 9 meters Delta Y = -132, plus or minus 12 meters Delta Z = -164, plus or minus 11 meters and that solution is based on collocation at 27 points. Some 35 years ago, I worked (in Washington, D.C.), with a fellow that had participated in the classical triangulation of Iran. He used to do WILD T-4 astronomical observations from various locations in the mountains. The stories were vivid! Clifford J. Mugnier Chief of Geodesy and Associate Director, CENTER FOR GEOINFORMATICS Department of Civil Engineering CEBA 3223A LOUISIANA STATE UNIVERSITY Baton Rouge, LA 70803 Voice and Facsimile: (225) 578-8536 [Academic] Voice and Facsimile: (225) 578-4474 [Research] ====================================================== http://www.asprs.org/resources/GRIDS/ http://www.cee.lsu.edu/facultyStaff/mugnier/index.html ====================================================== Dear All, I need help to register 1:50000 scaled scanned maps of Iran with UTM-ED50(Iran) projection. I would be gratefull if anybody will help me to find the related parameters. Thanks in advance alige --------------------------------------------------------------------- List hosting provided by Directions Magazine | www.directionsmag.com | To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] Message number: 14892
