Description
This was the standard projection for large-scale maps of New Zealand. Currently being replaced with New Zealand Transverse Mercator 2000.
Projection method
Modified cylindrical. A sixth-order conformal modification of the Mercator projection using the International spheroid.
Point of tangency
41° S, 173° E.
Linear graticules
None.
Properties
Shape
Conformal. Local shapes are correct.
Area
Distortion is less than 0.04 percent for New Zealand.
Direction
Minimal distortion within New Zealand.
Distance
Scale is within 0.02 percent of true scale for New Zealand.
Limitations
Not useful for areas outside New Zealand.
Uses and applications
Used for large-scale maps of New Zealand.
Parameters
Desktop
- False Easting
- False Northing
- Longitude of origin
- Latitude of origin
Workstation
- Projection-specific parameters are set by the software.