Function cam_geom::best_intersection_of_rays

pub fn best_intersection_of_rays<Coords, R>(
    rays: &[Ray<Coords, R>]
) -> Result<Points<Coords, R, U1, Owned<R, U1, U3>>, Error> where
    Coords: CoordinateSystem,
    R: RealField,
    DefaultAllocator: Allocator<R, Dynamic, U3>,
    DefaultAllocator: Allocator<R, U1, Dynamic>,
    DefaultAllocator: Allocator<R, U1, U3>, 

Return the 3D point which is the best intersection of rays.