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Another Transformation Question NAD83 to WGS84 (Melita K:HELP!)

Question asked by jborgion Champion on Aug 5, 2015
Latest reply on Aug 6, 2015 by MKennedy-esristaff

A few days ago I posted Transformation from StatePlane NAD83 to WGS84 ;  I ended up contacting tech support and they pointed me an on line doc that specifies which transformation option to use here in the lower 48.


My original confusion stemmed from a couple conversations with colleagues who just said:  "I use the default when I project"


When you use the project tool, it does indeed provide a default transformation:

I read the default as wgs84 to nad83, not nad83 to wgs84.....


However, when you use a geoprocessing tool you can set your Output Coordinates Environment Setting.  There is no default provided.  I don't see the the one highlighted above in the pick list, only the ones mentioned in the tech paper sited in my earlier post:



So at this point I'm right back to my earlier confused state....