COn0E65N {clim.pact} | R Documentation

## Convert long-lat to km-km

### Description

The function returns the distance in km from 0E 65N given the longitude and latitude. See also `km2lon` and `km2lat`.

### Usage

    COn0E65N(lon, lat)

### Arguments

`lon` | longitude
`lat` | latitude

### Value

list(y=latitudes distance,x= longitudes distance)

### Author(s)

R.E. Benestad

### Examples

    library(clim.pact)
    data(oslo.t2m)
    print(c(oslo.t2m$lon,oslo.t2m$lat))
    #[1] 10.71667 59.95000
    xy<-COn0E65N(oslo.t2m$lon,oslo.t2m$lat)
    oslo.t2m$lon<-xy$x
    oslo.t2m$lat<-xy$y
    print(c(oslo.t2m$lon,oslo.t2m$lat))
    #[1]  595.4086 -560.3004
    lon<-km2lon(oslo.t2m$lon,oslo.t2m$lat,x.centre=0,y.centre=65)
    lat<-km2lat(oslo.t2m$lon,oslo.t2m$lat,x.centre=0,y.centre=65)
    print(c(lon,lat))
    #[1] 10.71667 59.95000

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