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I have the following info for a feature class in ArcGIS that is supposed to be in WGS 1984/UTM 16N projected coordinate system:

Projection: Transverse_Mercator

False_Easting: 500000.000000

False_Northing: 0.000000

Central_Meridian: -87.000000

Scale_Factor: 0.999600

Latitude_Of_Origin: 0.000000

Linear Unit: Meter (1.000000)

Geographic Coordinate System: GCS_WGS_1984

Angular Unit: Degree (0.017453292519943299)

Prime Meridian: Greenwich (0.000000000000000000)

Datum: D_WGS_1984

Spheroid: WGS_1984

Semimajor Axis: 6378137.000000000000000000

Semiminor Axis: 6356752.314245179300000000

Inverse Flattening: 298.257223563000030000

I also have a vector shapefile imported into QGIS that is also supposed to be projected WGS 1984/UTM 16N, with the EPSG 32616 and ID 3100.

Since I don't know what the EPSG and ID means, I am not sure if the shapefile in QGIS and the feature class in ArcGIS are actually in the same coordinate system.

Can anyone help with this? And if they are not in the same system, what should I do to correct that?

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1 Answer

up vote 8 down vote accepted

Here EPSG:32616 WKT, both are same

PROJCS["WGS 84 / UTM zone 16N", 
GEOGCS["WGS 84", 
DATUM["World Geodetic System 1984", 
  SPHEROID["WGS 84", 6378137.0, 298.257223563, AUTHORITY["EPSG","7030"]], 
  AUTHORITY["EPSG","6326"]], 
PRIMEM["Greenwich", 0.0, AUTHORITY["EPSG","8901"]], 
UNIT["degree", 0.017453292519943295], 
AXIS["Geodetic longitude", EAST], 
AXIS["Geodetic latitude", NORTH], 
AUTHORITY["EPSG","4326"]], 
PROJECTION["Transverse Mercator", AUTHORITY["EPSG","9807"]], 
PARAMETER["central_meridian", -87.0], 
PARAMETER["latitude_of_origin", 0.0], 
PARAMETER["scale_factor", 0.9996], 
PARAMETER["false_easting", 500000.0], 
PARAMETER["false_northing", 0.0], 
UNIT["m", 1.0], 
AXIS["Easting", EAST], 
AXIS["Northing", NORTH], 
AUTHORITY["EPSG","32616"]]
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Thanks! How did you get the "EPSG:32616 WKT"? –  hpy Apr 20 '11 at 21:29
3  
I have SRS reference list in GeoServer and had look that. However these are standard reference and available in web too. Check : spatialreference.org/ref/epsg/32616/html –  Senthil Apr 20 '11 at 21:34
    
Great, thanks for the answer! –  hpy Apr 20 '11 at 21:50
2  
there are some other good references for getting this info at: gis.stackexchange.com/questions/7608/… –  RyanDalton Apr 20 '11 at 21:51
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