Understanding Map Projections

NEW ZEALAND NATIONAL GRID
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.
The central meridian is 173° E, and the latitude of origin is
41° S. The false easting is 2,510,000 meters, and the false
northing is 6,023,150 meters.
DESCRIPTION
This is the standard projection for large-scale maps
of New Zealand.
PROJECTION METHOD
Modified cylindrical. A sixth-order conformal
modification of the Mercator projection using the
International spheroid.
POINT OF TANGENCY
173° E, 41° S.
LINEAR GRATICULES
None.
PROPERTIES
Shape
Conformal. Local shapes are correct.
Supported map projections• 73