text: """An example file showing how to plot data from a simulation."""
  
  import matplotlib.pyplot as plt
  
  from opendeplete import read_results, \
                          evaluate_single_nuclide, \
                          evaluate_reaction_rate, \
                          evaluate_eigenvalue
  
  # Set variables for where the data is, and what we want to read out.
  result_folder = "test"
  
  # Load data
  results = read_results(result_folder + "/results.h5")
  
  cell = "5"
  nuc = "Gd157"
  rxn = "(n,gamma)"
  
  # Total number of nuclides
  plt.figure()
  # Pointwise data
  x, y = evaluate_single_nuclide(results, cell, nuc)
  plt.semilogy(x, y)
  
  plt.xlabel("Time, s")
  plt.ylabel("Total Number")
  plt.savefig("number.pdf")
  
  # Reaction rate
  plt.figure()
  x, y = evaluate_reaction_rate(results, cell, nuc, rxn)
  plt.plot(x, y)
  plt.xlabel("Time, s")
  plt.ylabel("Reaction Rate, 1/s")
  
  plt.savefig("rate.pdf")
  
  # Eigenvalue
  plt.figure()
  x, y = evaluate_eigenvalue(results)
  plt.plot(x, y)
  plt.xlabel("Time, s")
  plt.ylabel("Eigenvalue")
  
  plt.savefig("eigvl.pdf")
  