Method addShadingControl

src/model/SubSurface.cpp:634–641

    }

    bool SubSurface_Impl::addShadingControl(ShadingControl& shadingControl) {
      bool result = false;
      if (allowShadingControl()) {
        auto thisSubSurface = getObject<SubSurface>();
        result = shadingControl.addSubSurface(thisSubSurface);
      }
      return result;
    }

    bool SubSurface_Impl::addShadingControls(std::vector<ShadingControl>& shadingControls) {
      bool ok = true;