code: def __update_clusters(self):
      for k in self.__cluster_actors:
          length_validation = (
              self.__cluster_actors[k]["length"]
              < self.__selected_length
          )
          size_validation = (
              self.__cluster_actors[k]["size"] < self.__selected_size
          )
          if length_validation or size_validation:
              self.__cluster_actors[k]["actor"].SetVisibility(False)
              if k.GetVisibility():
                  k.SetVisibility(False)
          else:
              self.__cluster_actors[k]["actor"].SetVisibility(True)
  
file_path: dipy/dipy/viz/horizon/tab/cluster.py
imports: import numpy
  from dipy.utils.optpkg import optional_package
  from dipy.viz.horizon.tab import HorizonTab, build_label, color_single_slider
label_desc: Use image node_id 5 for calling the ClustersTab obj's underlying member method code with example usage: obj.__update_clusters() without return types