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SAD69 to SIRGAS2000 reprojection

Question asked by bmnds on Oct 1, 2014
Latest reply on Mar 5, 2015 by bmnds

What should I be aware of before trying to reproject a SAD69 feature class to SIRGAS2000? What are the steps needed to accomplish this task?

I found this link that points to a program called ProGriD developed by IBGE (the brazilian institute of geography and statistic).

Instead of using a third-party software I would like to do it in ArcMap, because in ArcMap I can create a python script to run against all feature classes at once and store the reprojected data in a brand new database instead of modifying the old one.


*Note:I 'm not familiar with reprojections. I'm a developer, not a geographer.