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How do I convert State Plane Coordinates to Latitude and Longitude?

Posted 11 years ago
I don't understand why this code doesn't work to convert State Plane Coordinates to decimal degrees? I need to get from State Plane Coordates 83 Long Island Zone 4 to lat/long.  
LatitudeLongitude[GeoPosition[{172248, 1002321, 0}, "SPCS83NY04"]]
POSTED BY: J Lu
2 Replies
Posted 11 years ago
thanks!  the documentation wasn't very clear (to me) that I should be using GeoGridPosition instead for State Plane! 
POSTED BY: J Lu
It looks like you're trying to go from cartographic to geodetic coordinates:
LatitudeLongitude[GeoGridPosition[{172248, 1002321, 0}, "SPCS83NY04"]]
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