HK80UTM_TO_WGS84UTM {HK80} | R Documentation |
Convert HK80UTM coordinates to WGS84UTM coordinates
Description
Convert HK80UTM coordinates to WGS84UTM coordinates
Usage
HK80UTM_TO_WGS84UTM(N, E, zone = c(49, 50))
Arguments
N |
Numeric, Northern coordinate in meters. |
E |
Numeric, Eastern coordinate in meters. |
zone |
zone, UTM zone number, either 49 or 50. |
Details
This function uses the simplified relationship described on page B6 to convert HK80UTM to WGS84UTM coordinates.
Value
N |
Northern coordinate in meters |
E |
Eastern coordinate in meters |
zone |
UTM zone, either 49 or 50 |
Note
The coordinates should be within the range of Hong Kong. Providing coordinates outside Hong Kong will lead to wrong results.
Author(s)
Jinlong Zhang
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
Examples
#### This function was not tested since similar
#### conversion service is not available at
#### http://www.geodetic.gov.hk/smo/tform/tform.aspx
options(digits = 15)
HK80UTM_TO_WGS84UTM(N = 2471279, E = 205494, zone = 50)
[Package HK80 version 0.0.2 Index]