old_contents: """This file contains variables that are shared by several modules.
  
  Also useful to hold command line arguments.
  
  """
  
  # define variables used to initialise the sector mask
  init_centre = (0, 0)
  init_radius = 100
  init_theta = (0, 360)
  
  # segmentator main command line variables
  filename = 'sample_filename_here'
  gramag = '3D_scharr'
  perc_min = 2.5
  perc_max = 97.5
  scale = 400
  cbar_max = 5.0
  cbar_init = 2.0
  discard_zeros = True
  
  # possible gradient magnitude computation keyword options
  gramag_options = ['3D_scharr', '3D_sobel', '3D_prewitt', 'numpy']
  
  # used in segmentator ncut
  ncut = False
  max_rec = 8
  nr_sup_pix = 2500
  compactness = 2
  
new_contents: """This file contains variables that are shared by several modules.
  
  Also useful to hold command line arguments.
  
  """
  
  # define variables used to initialise the sector mask
  init_centre = (0, 0)
  init_radius = 100
  init_theta = (0, 360)
  
  # segmentator main command line variables
  filename = 'sample_filename_here'
  gramag = '3D_scharr'
  perc_min = 2.5
  perc_max = 97.5
  scale = 400
  cbar_max = 5.0
  cbar_init = 3.0
  discard_zeros = True
  
  # possible gradient magnitude computation keyword options
  gramag_options = ['3D_scharr', '3D_sobel', '3D_prewitt', 'numpy']
  
  # used in segmentator ncut
  ncut = False
  max_rec = 8
  nr_sup_pix = 2500
  compactness = 2
  
subject: change cbar_init default back to 3