[Proj] Help translating NAD83 coordinates to WGS84
Clifford J Mugnier
cjmce at lsu.edu
Tue Jan 11 10:37:37 EST 2005
There is NO difference between NAD83 and WGS84.
None in GIS-levels of precision!
If you have a problem, that is not it!
Clifford J. Mugnier
Chief of Geodesy and
CENTER FOR GEOINFORMATICS
Department of Civil Engineering
LOUISIANA STATE UNIVERSITY
Baton Rouge, LA 70803
Voice and Facsimile: (225) 578-8536 [Academic]
Voice and Facsimile: (225) 578-4474 [Research]
>>> cewallace at neogas.com 2004-12-28 5:35:39 AM >>>
>I stumbled across this site in search of projection issues. I work
>a program called MapInfo Professional, and the street files we use is
>the NAD 27 format Tiger data. Then we purchased the update which was
>Tiger data using the NAD 83 projection. Once bringing the two on top
>each other there is huge differences. Is there a fix to convert our
>fields? Also what is the difference between NAD 83 & WGS 84?
To fix your data you might want to have a look at the ogr2ogr utility
<http://ogr.maptools.org/>. I've only used it with ESRI shapefiles for
this purpose, but the documentation indicates that it works with
Dave Thayer, Public Health Engineer
Colorado Department of Public Health and Environment
Air Pollution Control Division / Stationary Sources Program
david.thayer at state.co.us, Voice:303-692-3187, FAX:303-782-0278
Proj mailing list
Proj at xserve.flids.com
More information about the Proj