#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum IoRegion {
VolcanicPlains,
SulfurFlows,
MountainRange,
PolarFrost,
}
pub fn named_region(latitude_deg: f64, longitude_deg: f64) -> IoRegion {
if latitude_deg.abs() > 60.0 {
IoRegion::PolarFrost
} else if (250.0..=320.0).contains(&longitude_deg) {
IoRegion::VolcanicPlains
} else if (-30.0..=-15.0).contains(&latitude_deg) && (110.0..=150.0).contains(&longitude_deg) {
IoRegion::MountainRange
} else {
IoRegion::SulfurFlows
}
}