API for State Plane Coordinates (SPC) Service
Query Parameter
Description
Northing; may be specified in meters, US Survey feet, or international feet
Easting; may be specified in meters, US Survey feet, or international feet. Easting units must match northing units.
Units used for SPC northing and easting; defaults to meters, if the parameter is not used; valid values are: m,usft,ift
Datum of input coordinate;to be chosen from Regional Datums defined above
Datum of output coordinate;to be chosen from Regional Datums defined above
A 4-digit SPC zone to be used for SPC conversion
A 2-digit UTM zone to be used for UTM conversion; UTM zone is automatically determined based on a given SPC; you may optionally override this by specifying your own 2-digit UTM zone
Ellipsoid height in meters; defaults to undefined if the parameter is not used. Combined factors and XYZ are not returned, if no height is specified
Geopotential Datum of input orthometric height; to be chosen from Regional Geopotential Datums defined above
Geopotential Datum of output orthometric height; to be chosen from Regional Geopotential Datums defined above
Orthometric height chosen for transformation
* Required Field
** Optional Field, to override defaults
