Function rsgeo::prelude::radians [−][src]
pub fn radians(deg: f32) -> f32
transform a degree to radians value
Example
use rsgeo::prelude::radians; use std::f32::consts::PI; let a = 180.0f32; let b = 90.0f32; let c = 30.0f32; let d = -5.0f32; assert!((radians(a) - PI).abs() < 1e-6); assert!((radians(b) - (PI / 2.0)).abs() < 1e-6); assert!((radians(c) - (PI / 6.0)).abs() < 1e-6); assert!((radians(d) - -0.0872664).abs() < 1e-6);