HK80 (version 0.0.2)

WGS84UTM_TO_HK80GEO: Convert WGS84UTM coordinates to HK80GEO coordinates

Description

Convert WGS84UTM coordinates to HK80GEO coordinates

Usage

WGS84UTM_TO_HK80GEO(N, E, zone)

Arguments

N

Numeric, The northern coordinate

E

Numeric, The eastern coordinate

zone

zone, numeric, either 49 or 50

Value

Details

This function converts the coordinates first to WGS84GEO and then to HK80GEO.

References

Survey & Mapping Office Lands Department, Hong Kong Government (1995). Explanatory Notes on Geodetic Datums in Hong Kong, available at: http://www.geodetic.gov.hk/smo/gsi/data/pdf/explanatorynotes.pdf

See Also

HK80GEO_TO_WGS84UTM

Examples

options(digits = 15)
WGS84UTM_TO_HK80GEO(2471279, 205494, zone = 50)

#### $latitude
#### [1] 22.323667977877
#### 
#### $longitude
#### [1] 114.138738570444

#### Results from http://www.geodetic.gov.hk/smo/tform/tform.aspx
#### 22.323701767
#### 114.138734989