PLANET IGS-10020HPT User Manual

Page 311

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User’s Manual of IGS-10020HPT

It is possible to specify the direction to either North of the equator or South of the

equator.

Longitude

Longitude SHOULD be normalized to within 0-180 degrees with a maximum of 4

digits.

It is possible to specify the direction to either East of the prime meridian or West

of the prime meridian.

Altitude

Altitude SHOULD be normalized to within -32767 to 32767 with a maximum of 4

digits.

It is possible to select between two altitude types (floors or meters).

Meters

: Representing meters of Altitude defined by the vertical datum

specified.

Floors

: Representing altitude in a form more relevant in buildings which

have different floor-to-floor dimensions. An altitude = 0.0 is meaningful even

outside a building, and represents ground level at the given latitude and

longitude. Inside a building, 0.0 represents the floor level associated with

ground level at the main entrance.

Map Datum

The Map Datum used for the coordinates given in this Option

WGS84

: (Geographical 3D) - World Geodesic System 1984, CRS Code

4327, Prime Meridian Name: Greenwich.

NAD83/NAVD88

: North American Datum 1983, CRS Code 4269, Prime

Meridian Name: Greenwich; The associated vertical datum is the North

American Vertical Datum of 1988 (NAVD88). This datum pair is to be used

when referencing locations on land, not near tidal water (which would use

Datum = NAD83/MLLW).

NAD83/MLLW

: North American Datum 1983, CRS Code 4269, Prime

Meridian Name: Greenwich; The associated vertical datum is Mean Lower

Low Water (MLLW). This datum pair is to be used when referencing locations

on water/sea/ocean.

Civic Address Location

IETF Geopriv Civic Address based Location Configuration Information (Civic Address LCI).

Object

Description

Country code

The two-letter ISO 3166 country code in capital ASCII letters - Example: DK, DE

or US.

State

National subdivisions (state, canton, region, province, prefecture).

County

County, parish, gun (Japan), district.

City

City, township, shi (Japan) - Example: Copenhagen

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