//centroid = new Point(round(centroid.x), round(centroid.y), round(centroid.z));
if (segments.size() >= 3)
for(Segment s : segments) {
//centroid = new Point(round(centroid.x), round(centroid.y), round(centroid.z));
if (segments.size() >= 3)
for(Segment s : segments) {