ioss 0.0.3

Io celestial simulation crate for the MilkyWay SolarSystem workspace
Documentation 
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#[derive(Debug, Clone, Copy, PartialEq)]
pub struct ElevationSample {
    pub latitude_deg: f64,
    pub longitude_deg: f64,
    pub elevation_m: f64,
}

pub fn sample_dem(latitude_deg: f64, longitude_deg: f64) -> ElevationSample {
    let volcanic_bias =
        if (10.0..=20.0).contains(&latitude_deg) && (300.0..=315.0).contains(&longitude_deg) {
            -3_000.0
        } else {
            0.0
        };
    let mountain_bias =
        if (-30.0..=-20.0).contains(&latitude_deg) && (120.0..=140.0).contains(&longitude_deg) {
            12_000.0
        } else {
            0.0
        };
    let wave = latitude_deg.to_radians().sin() * 800.0 + longitude_deg.to_radians().cos() * 500.0;
    ElevationSample {
        latitude_deg,
        longitude_deg,
        elevation_m: volcanic_bias + mountain_bias + wave,
    }
}