Description Usage Arguments Value References Examples

Calculates the geodesic distance between two points specified by latitude/longitude using Vincenty inverse formula for ellipsoids

1 | ```
gcd_vif(long1, lat1, long2, lat2)
``` |

`long1` |
- Longitudinal value of first point in decimal degrees |

`lat1` |
- Latitudinal value of first point in decimal degrees |

`long2` |
- Longitudinal value of second point in decimal degrees |

`lat2` |
- Latitudinal value of second point in decimal degrees |

Returns the distance between two points on the Earth in kilometers

[1] Adapted from http://www.r-bloggers.com/great-circle-distance-calculations-in-r/

1 2 3 4 5 | ```
long1<-22
lat1<-44
long2<-52
lat2<-51
gcd_vif(long1,lat1,long2,lat2)
``` |

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