public static void ClearCache()
 {
     if (SparseSpatialMapManager.isAvailable())
     {
         using (var manager = SparseSpatialMapManager.create())
         {
             manager.clear();
         }
     }
 }
        /// <summary>
        /// MonoBehaviour Awake
        /// </summary>
        protected virtual void Awake()
        {
            if (!EasyARController.Initialized)
            {
                return;
            }
            if (!SparseSpatialMap.isAvailable())
            {
                throw new UIPopupException(typeof(SparseSpatialMap) + " not available");
            }
            if (!SparseSpatialMapManager.isAvailable())
            {
                throw new UIPopupException(typeof(SparseSpatialMapManager) + " not available");
            }

            mapRoot = new GameObject("SparseSpatialMapRoot");
            sparseSpatialMapWorker = SparseSpatialMap.create();
            Builder   = sparseSpatialMapWorker;
            Localizer = sparseSpatialMapWorker;
            Manager   = SparseSpatialMapManager.create();
        }