Method removeShadingZoneGroup

src/model/ShadowCalculation.cpp:274–284

    }

    bool ShadowCalculation_Impl::removeShadingZoneGroup(unsigned groupIndex) {
      if (auto _mo_list = getShadingZoneGroupModelObjectList(groupIndex)) {
        _mo_list->removeAllModelObjects();
        _mo_list->remove();
        // ModelObjectList will remove any object it has, so have to clear it first
        eraseExtensibleGroup(groupIndex);
        return true;
      }

      return false;
    }

    void ShadowCalculation_Impl::removeAllShadingZoneGroups() {