public ActionResult GetDefaultDag()
        {
            DagSetup setup = new DagSetup
            {
                Settings = new Settings()
            };

            return(Json(setup.CreateDag()));
        }
        public ActionResult GetDag(Settings settings)
        {
            DagSetup setup = new DagSetup
            {
                Settings = settings
            };

            return(Json(setup.CreateDag()));
        }