gistools/geometry/
util.rs

1/// Earth's radius in meters
2pub const EARTH_RADIUS: f64 = 6_371_008.8;
3/// Earth's equatorial radius in meters
4pub const EARTH_RADIUS_EQUATORIAL: f64 = 6_378_137.0;
5/// Earth's polar radius in meters
6pub const EARTH_RADIUS_POLAR: f64 = 6_356_752.3;
7/// The average circumference of the world in meters
8pub const EARTH_CIRCUMFERENCE: f64 = 2.0 * core::f64::consts::PI * EARTH_RADIUS;
9
10/// Mars' radius in meters
11pub const MARS_RADIUS: f64 = 3_389_500.0;
12/// Mars' equatorial radius in meters
13pub const MARS_RADIUS_EQUATORIAL: f64 = 3_396_200.0;
14/// Mars' polar radius in meters
15pub const MARS_RADIUS_POLAR: f64 = 3_376_200.0;
16
17/// 900913 (Web Mercator) constant
18pub const A: f64 = 6_378_137.0;
19/// 900913 (Web Mercator) max extent
20pub const MAXEXTENT: f64 = 20_037_508.342789244;
21/// 900913 (Web Mercator) maximum latitude
22pub const MAXLAT: f64 = 85.0511287798;