code: def visualize(path, levels, threshold, ccore, **kwargs):
      sample = read_sample(path)
  
      bang_instance = bang(
          sample, levels, ccore, density_threshold=threshold
      )
      bang_instance.process()
  
      directory = bang_instance.get_directory()
      dendrogram = bang_instance.get_dendrogram()
  
      bang_visualizer.show_blocks(directory)
      bang_visualizer.show_dendrogram(dendrogram)
  
file_path: pyclustering/pyclustering/cluster/tests/bang_templates.py
imports: import matplotlib
  from pyclustering.tests.assertion import assertion
  from pyclustering.cluster.bang import bang, bang_visualizer, bang_animator
  from pyclustering.utils import read_sample
label_desc: Use image node_id 2 for calling the bang_test_template obj's underlying member method code with example usage: obj.visualize(path, levels, threshold, ccore) without return types