segmentmins[0] = min(start[0], end[0]) + boxmins[0] - 1;
segmentmins[1] = min(start[1], end[1]) + boxmins[1] - 1;
segmentmins[2] = min(start[2], end[2]) + boxmins[2] - 1;
segmentmins[0] = min(start[0], end[0]) + boxmins[0] - 1;
segmentmins[1] = min(start[1], end[1]) + boxmins[1] - 1;
segmentmins[2] = min(start[2], end[2]) + boxmins[2] - 1;