@@ -210,6 +210,7 @@ around_points(const LPoint3f *first, const LPoint3f *last) {
// Only one point; we have a radius of zero. This is not the same
// thing as an empty sphere, because our volume contains one
// point; an empty sphere contains no points.
+ _center = min_box;
_radius = 0.0;
} else {