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The <projection-transverse-mercator> element specifies the units and projection to be used for the map and reporting routines.

Frequency Parent Elements (the <projection-transverse-mercator> element is valid within):
PO+ <identify-report-coordinates>
PO <map-center-coordinate>
PR1 <map-projection>
PR+ <upload-projections>
   

Frequency Description (in this context)
PO Zero or one projection element may appear within the <map-center-coordinate> element.
PO+ Zero or more projection element may appear in the <identify-report-coordinates> element.
PR1 Exactly one allowable projection element must appear within the <map-projection> element.
PR+ One or more projection elements must appear within the <upload-projections> element.
   

Attributes Description
alias The user name of the projection. Optional.
ellipsoid The name of the ellipsoid. See valid list below. Required.
central-meridian The central meridian. Required.
reference-latitude The reference latitude. Required.
scale-factor The projection's scale factor. Required.
false-easting The X adjustment. Specify in meters unless the projection units are feet, in which case the false easting and northing values should also be in feet. Required.
false-northing The Y adjustment. Specify in meters unless the projection units are feet, in which case the false easting and northing values should also be in feet. Required.
units The map units of the projection. Valid values are "meters" and "feet". Note that if feet are used, the false easting and northing values should also be in feet. Required.
   

Example: 

<!-- NAD_1983_StatePlane_Illinois_East_FIPS_1201_Feet -->
<projection-transverse-mercator alias="IL-E State Plane"
                                ellipsoid="GRS 1980"
                                central-meridian="-88.33333333333333"
                                reference-latitude="36.66666666666666"
                                scale-factor="0.999975"
                                false-easting="984250.0"
                                false-northing="0.0"
                                units="feet"/>

Valid ellipsoid names:

WGS 84
Airy 1830
Airy Modified 1849
Australian National Spheroid
Bessel 1841
Bessel Modified
Bessel Namibia
Clarke 1880 (Benoit)
Clarke 1880 (IGN)
Clarke 1880 (RGS)
Clarke 1880 (SGA 1922)
CLARK1866
Clarke 1866
CLARKE1866
Everest 1830 (1937 Adjustment)
Everest 1830 (1962 Definition)
Everest 1830 (1967 Definition)
Everest 1830 (1975 Definition)
Everest 1830 Modified
GEM 10C
GRS 1967
GRS 1980
GRS80
Helmert 1906
Indonesian National Spheroid
Krassowsky 1940
NWL 9D
OSU86F
OSU91A
Plessis 1817
Struve 1860
War Office
WGS 72
WGS 84
Xian 1980

If you need to define a projection with an ellipsoid not on this list, consider using a <projection-wkt> projection element instead.

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