Function project_on_surface 

pub fn project_on_surface(
    surface: &SurfaceGeometry,
    target: Point,
    samples: usize,
    tol: Tolerances,
) -> OgeomResult<SurfaceProjection>

The nearest point on a surface to target.

A seed, then Newton on the two conditions that define a foot point: the displacement from the surface to the target is perpendicular to both tangents. An elementary or swept surface seeds in closed form or along its profile. A B-spline patch seeds by branch and bound over its knot spans, to within a hundredth of the confusion of the nearest point of the whole patch, and ignores samples. Any other surface seeds from a grid of samples per direction: the distance to a surface is generally multi-modal, and the grid sets how fine a basin it can tell apart.

Where two feet of a B-spline patch are equally near to within a hundredth of the confusion, either is a right answer, and the one returned is fixed by the patch and the target: the one at the smaller u, then v, among the points the search seeds Newton from.

Errors

OgeomError::Domain if the surface cannot be evaluated over its own domain.