flinnengdahl
pub fn region_number(lat: f64, lon: f64) -> Result<usize, RegionError>
Get the Flinn_Engdahl region numner from a location at (lat,lon)
lat
lon
use flinn_engdahl as fe; let region = fe::region(37.871593, -122.272743).unwrap(); assert_eq!(region, "CENTRAL CALIFORNIA");