Nothing
WGS84UTM_TO_HK80GEO <-
function(N, E, zone){
### The unit for N and E is meter, and zone is either 49 or 50
temp1 <- WGS84UTM_TO_WGS84GEO(N, E, zone)
res <- WGS84GEO_TO_HK80GEO(temp1$latitude, temp1$longitude)
return(res)
}
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