TM-SNYDER: Transverse Mercator per J.P. Snyder

This variation of the Transverse Mercator projection is based on the algorithms of J.P. Snyder. This should not be used unless these algorithms are required — usually the TM projection should be used instead.

Parameter Name

Description

PARM1

Longitude, in degrees, of the central meridian.

ORG_LAT

Latitude, in degrees, of the origin of the projection.

SCL_RED

The scale reduction to be applied. This is also referred to as the scale of the central meridian.

X_OFF

The false easting to be applied to all X coordinates, selected to cause all X coordinates within the coordinate system to be positive values of reasonable size.

Y_OFF

The false northing to be applied to all Y coordinates.