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direction

unit_sphere::vector

Function direction 

Source 
pub fn direction<T>(a: &Vector3<T>, pole: &Vector3<T>) -> Vector3<T>
where
    T: Float + Scalar + ComplexField<RealField = T>,
Expand description

Calculate the direction vector of a Great Circle arc.

  • a - the start point.
  • pole - the pole of a Great Circle.

returns the direction vector at the point on the great circle.