Drul_array<bool> broken (false, false);
Drul_array<Real> height = robust_scm2drul
(me->get_property ("edge-height"), Interval (0, 0));
Drul_array<bool> broken (false, false);
Drul_array<Real> height = robust_scm2drul
(me->get_property ("edge-height"), Interval (0, 0));