Method zOrigin

src/model/Space.cpp:324–328

    }

    double Space_Impl::zOrigin() const {
      boost::optional<double> value = getDouble(OS_SpaceFields::ZOrigin, true);
      OS_ASSERT(value);
      return value.get();
    }

    bool Space_Impl::isZOriginDefaulted() const {
      return isEmpty(OS_SpaceFields::ZOrigin);