May 19, 2014 yup not so easy to convert nz map grid to wgs84 or the other way around. Grid reference systems used with paper map series in new zealand. Nzgd49 new zealand map grid new zealand map grid nzmg. Map of new zealand showing substations and transmission lines. Sep 11, 20 grid reference systems used with paper map series in new zealand. Illustration of the new zealand national grid coordinate system. New zealand map grid to nz transverse mercator 2000 using default datum transform.
Nztm new zealand transverse mercator 2000 projection for topo. You can convert additional coordinate sets from the same source by just entering the new coordinates and clicking on the convert. Attached are three files implementing a proj4js projection for new zealand map grid. Nztm new zealand transverse mercator 2000 projection for. New zealand map grid nzmg is a projection used to convert latitude and longitude to easting and northing coordinates in metres. Scale is constant along any given parallel and is highly accurate for new zealand. New zealand map reference converter nzmapconv is software that linz provides to convert map references between the old nzms260 map series and the new nztopo50 map series. This diagram shows how the system operator manages frequency. The new zealand map grid nzmg is a map projection based on the new zealand geodetic datum 1949.
Coordinate converter software products home gns science. Change the position format to the user grid setting. Declination around new zealand earths magnetic field. The cs2cs program will convert a data file between two coordinate systems. John moen is a cartographer who along with his wife are the orignal founders. If your software uses vector maps, the software can probably reproject the. In this projection grid north differs from true north except at a longitude of 173 e, the midline of the projection. It can also be used for converting between new zealand map grid nzmg, new zealand transverse mercator 2000 nztm2000, and latitude and longitude in terms of the new. You should consider convertingstoring your map coordinates in nztm or wgs84.
Coordinate converter gns science has a suite of functions for coordinate conversions between latlong, nz map grid, national yard grid, nztm and between the nzgs49 datum and wgs84. You can share the new zealand gps coordinates with anyone using the share link above. Nz 1km pop grid new zealand gis map data blair rogers. Nz transverse mercator uses a datum which is basically the same as.
Along with the paperbased topo50 map series, digital images of the maps are also publicly available. Scale is the same in all directions near any given point. Data maps topographic gis data map mapping linz data. The following is a list of maps and diagram we maintain for the new zealand power system that are updated periodically.
These are packaged as addons for msexcel and msaccess. This page explains how to convert nzmg projection coordinates n, e to their nzgd1949 geographic equivalents and vice versa. Microsoft windows version only the program performs immediate conversions, all values. Projectionspecific parameters are set by the software. Nz transverse mercator uses a datum which is basically the same as wgs84 so much simpler to convert. In total, the national grid contains 11,803 kilometres 7,334 mi of highvoltage lines and. Coordinates can be shown in new zealand transverse mercator nztm 2000, new zealand map grid nzmg or wgs84 latlong coordinates. There are 60 longitudinal projection zones numbered 1 to 60 starting at 180w. You can also use our latitude and longitude app to find new zealand coordinates. Expertgps can also convert new zealand coordinates and datums, geocode new zealand addresses, calculate areas and acreage, and act as a batch converter for all of your gis, cad, and gps data. Pick one of your waypoints and write down the nzmg coordinates. Replaced by nzgd2000 new zealand transverse mercator 2000 from july 2001.
New zealand map reference converter nzmapconv is software that. World geographic reference system coordinate string support. When referring to a position we write the map sheet followed by the grid reference. Mapgrids may be used just for converting data in any supported grid, e. Nz map reference converter the new zealand map reference converter nzmapconv is software that linz provides to convert map references between the old nzms260 map series and the new nztopo50 map series or vice versa. The above map shows the new zealand coordinates, latitude longitude, and address. Select new zealand map grid on the gps position format page.
New zealand map grid transformation formulae land information. It is a sixthorder conformal modification of the mercator projection using the international spheroid. The ellipsoid is a simple mathematical form that roughly models the size and shape of the earth. If you look at eastings and northings on a topo50 map, you are reading numbers from the nztm2000 projection. Use the converter to convert your nzmg coordinate to nztm.
It has now been replaced by the new zealand transverse mercator 2000 projection, which is based on the new zealand geodetic datum 2000 using the grs80 reference ellipsoid this is the grid setting used for gps in new zealand. Oct 05, 2007 the official projection for topographic mapping in new zealand is the new zealand transverse mercator 2000 nztm2000. Gridakl is the innovation campus in wynyard quarter operating out of three buildings, john lysaght, mason brothers and 12 madden street. It can also be used for converting between other common projections and datums. New zealand map grid to nz transverse mercator 2000 using best datum transform via the distortion grid file, download it from linz website, 1030cm accuracy. Using expertgps map software as a coordinate converter for new zealand gps, gis, and cad data. New zealand map reference converter nzmapconv is a programme for converting map references between the old nzms260 map series and the new nztopo50 map series. Military gridreference system mgrs new zealand map grid. The official projection for topographic mapping in new zealand is the new zealand transverse mercator 2000 nztm2000. Coordinates and coordinate systems general introduction and definitions describing a point on the realworld earth as a point on the earth model. Topographical maps for your computer topo maps of new. Gns science is new zealands leading provider of earth, geoscience and.
I have a database of key locations of interest to us with grid references in nzmg or nztm projections. It has now been replaced by the new zealand transverse mercator 2000 projection, which is based on the new zealand geodetic datum 2000 using the grs80 reference ellipsoid. New national map series federated mountain clubs of new zealand. New zealand layer layer drilldown tool was used to determine the values for each grid layer at the location 170. Osm map section with shading for elevation display. The problem is that they are on different underlying datums and the shift between datums uses a complex formula. System 1984, nzmg new zealand map grid and nztm2000 new. Yup not so easy to convert nz map grid to wgs84 or the other way around. Expertgps can also convert new zealand coordinates and datums, geocode new zealand addresses, calculate areas and acreage, and act as a batch. This was the standard projection for largescale maps of new zealand. The new zealand map grid nzmg is a projection based on the nzgd49 datum.
Each of these zones is 6 degrees wide, apart from a few exceptions around norway and svalbard. Yes, it is possible in mapviewer 8 to convert from a coordinate system like lat long to new zealand transverse mercator. The new zealand govnernment survey agency, linz land information new zealand has published two series of maps covering the mainland areas of new zealand. Visit the coordinate converter at the linz website. The national electricity transmission grid is owned, operated, and maintained by stateowned enterprise transpower new zealand, although some lines are owned by local distribution companies and leased to transpower. Several steps are necessary for describing a point in space, since the earth has not a uniform shape.
New zealand latitude new zealand coordinates latitude. B3 software and documentation for the lambert conical orthomorphic grid b4 software and documentation for the madagascar gauss laborde grid b5 software and documentation for the rectified skewed rthomorphic grid b6 software and documentation for the new zealand map grid b7 software and documentation for the guam azimuthal equidistant. New zealand map map of new zealand, new zealand outline map. National energy grid of new zealand national electricity. May 04, 2020 using expertgps map software as a coordinate converter for new zealand gps, gis, and cad data. Several coordinate conversion tools already exist, however, here is what makes the strength of twcc. Coordinate conversion software, map projections coordinate calculator, perform gps coordinate conversions between different geodetic datums and map projections.
New zealand supported map grids or coordinate reference. You should consider convertingstoring your map coordinates in nztm or wgs 84. In 1893, new zealand became the first country to allow all women to vote. Software conversions coordinates can be converted between datums and projections automatically using free downloadable software. Georeferenced raster digital images are provided at a resolution of 300 dpi. Conversion from nzmg to latitude and longitude geographic. More information about converting coordinates between the nztm2000 and. Understanding new zealand coordinate systems new zealand.
Maptoaster faq do i need a map update to use topo50. Grid reference systems covering nz have been used in conjunction with paper based map series. This coordinate system is gradually replacing new zealand map grid nzmg. B6 software and documentation for the new zealand map grid b7 software and documentation for the guam azimuthal equidistant grid xii.
The national grid is the nationwide system of electric power transmission in new zealand. I have searched on internet but there is no proper explanation of h. Converting nzmg or nztm to latitude longitude for use. Twcc, the world coordinate converter, is an open source tool to convert geodetic coordinates in a wide range of reference systems. Support for historical australian milesmilitary map coordinates ang and grid refs. New zealand map grid nzmg land information new zealand. Conversion between supported datums see list below. New zealand street mapping software international street mapping maptitude allows you to perform detailed street level mapping and analysis in many countries new zealand, australia, brazil, canada, italy, mexico, united kingdom, u. Us state plane 1927 both original and exact solutions us state plane 1983. Topographical maps for your computer topo maps of new zealand. In the september 2009 linz released a new series of topographical maps, projected in nztm. Drawing a map of new zealand is easy, as is adding cities. New zealand map map of new zealand, new zealand outline. The topo50 map series provides topographic mapping for the new zealand mainland, the chatham islands, and offshore islands at 1.
Download geodetic software land information new zealand. Convert gps coordinates from decimal degrees to new zealand. New zealand street mapping software address mapping software. Utm grid zones of the world compiled by alan morton. Coordinates can be converted between datums and projections. Convert new zealand coordinates new zealand north island, new. In 2001 land information new zealand linz adopted new zealand transverse mercator nztm or nztm2000 as the new standard coordinate system for general mapping in new zealand. In the graphic above, the grid layers new zealand feet and new zealand meters have been displayed in the map window. Large and medium scale topographic mapping and engineering survey.
But as far as i can tell to project more data onto the maps i need latitude and longitude information. The new zealand map grid is a conformal map projection specifically designed for largescale mapping of new zealand. This diagram shows how the new zealand power system is modelled for the purposes of scheduling, pricing, and dispatch as a national set of nodes and branches connecting those nodes. I want to convert new zealand map grid coordinates i. Note that recent earthquakes in new zealand have moved large. License creative commons attributionnoncommercialsharealike 3. It can also be used for converting between new zealand map grid. New zealand supported map grids or coordinate reference systems.
New zealand is in oceania and its country code is nz its 3 letter code is nzl capital. Datums and coordinate conversion practical exercise. Within 20 years, gridakl will be a major asiapacific hub and showcase of innovation in the creative and hightech industries. Check the coordinates are that same as those that show on. In the current topo50 map series each map sheet has a unique id such as ce17. Supported map projections include transverse mercator, oblique mercator, mercator, gauss kruger, universal transverse mercator, oblique stereographic, polar stereographic, albers equal area, cassini, krovak, lambert conformal conic. Feb 17, 2020 the topo50 map series provides topographic mapping for the new zealand mainland, the chatham islands, and offshore islands at 1. Maptoaster uses ntv2 for best possible accuracy when converting between nz map grid and wgs84nztm. Utm universal transverse mercator north and south zones. The grid layer layer drilldown tool was used to determine the values for each grid layer at the location 170. The map shows the location history track of a thuraya subscriber.
Accurate coordinate conversion maptoaster uses ntv2 for best possible accuracy when converting between nz map grid and wgs84nztm. Replaces 27291 nzgd49 north island grid and 27292 nzgd49 south island grid from 1972. The north island of new zealand is the most populated island in the country. The new zealand map grid projection is a modified cylindrical projection and is conformal. Grid square ham radio maps and great circle software calculator bearing category is a curation of 40 web resources on, ham atlas, workedgrids, premuloc for windows.
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