pub fn farthest_point(
map: &DistanceMap,
subregion: &Polygon,
tolerance: f64,
) -> Result<Farthest, FarthestError>Expand description
The greatest distance to the nearest target over the points of
subregion in the map’s free space, bracketed to within tolerance.
§Errors
FarthestError, among them FarthestError::Unreachable with a
triangle as evidence when part of the subregion reaches no target.