SOTM: South-Oriented Transverse Mercator

This variation of Transverse Mercator projection produces results needed by coordinates used in South Africa, as an example.

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.