EPSG
New Zealand National Institute for Water and Atmospheric Research
2019-09-17
Topographic mapping (medium and small scale).
For projects extending within the 12 nautical mile line or onshore, NIWA recommends using NZCS2000 (projection code 17964). For offshore statistical analysis see NIWA Albers (projection code 9190).
Southwestern Pacific Ocean and Southern Ocean areas surrounding New Zealand.
(0,)
Definition: OGC Well Known Text 2 (2019)
CONVERSION["Mercator 41", METHOD["Mercator (variant B)", ID["EPSG",9805]], PARAMETER["Latitude of 1st standard parallel",-41, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8823]], PARAMETER["Longitude of natural origin",100, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["False easting",0, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",0, LENGTHUNIT["metre",1], ID["EPSG",8807]], ID["EPSG",19843]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Conversion", "name": "Mercator 41", "method": { "name": "Mercator (variant B)", "id": { "authority": "EPSG", "code": 9805 } }, "parameters": [ { "name": "Latitude of 1st standard parallel", "value": -41, "unit": "degree", "id": { "authority": "EPSG", "code": 8823 } }, { "name": "Longitude of natural origin", "value": 100, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "False easting", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ], "id": { "authority": "EPSG", "code": 19843 } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=merc +lat_ts=-41 +lon_0=100 +x_0=0 +y_0=0"> <Layer srs="+proj=merc +lat_ts=-41 +lon_0=100 +x_0=0 +y_0=0"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 19843, 'EPSG', 19843, '+proj=merc +lat_ts=-41 +lon_0=100 +x_0=0 +y_0=0', 'PROJECTION["Mercator_2SP"],PARAMETER["standard_parallel_1",-41],PARAMETER["central_meridian",100],PARAMETER["false_easting",0],PARAMETER["false_northing",0]');