Convert compass labels to radians

Converts the eight standard compass labels N, NE, E, SE, S, SW, W and NW to bearing angles in radians, where zero is north and angles increase clockwise.

Usage

compass_to_rad(x)

Arguments

x

Character vector of compass labels.

Value

Numeric vector of bearing angles in radians.

See also

Other angle utilities: angular_difference(), angular_distance(), check_angle(), deg_to_rad(), hour_to_rad(), is_angle(), normalize_angle(), rad_to_compass(), rad_to_deg(), rad_to_hour()

Examples

compass_to_rad(c("N", "E", "S", "W"))
#> [1] 0.000000 1.570796 3.141593 4.712389