code: def display_split(self, workspace, figure):
      import matplotlib.cm
  
      input_image = workspace.display_data.input_image
      disp_collection = workspace.display_data.disp_collection
      ndisp = len(disp_collection)
      ncols = int(numpy.ceil((ndisp + 1) ** 0.5))
      subplots = (ncols, (ndisp // ncols) + 1)
      figure.set_subplots(subplots)
      figure.subplot_imshow_color(
          0, 0, input_image, title="Original image"
      )
  
      for eachplot in range(ndisp):
          placenum = eachplot + 1
          figure.subplot_imshow(
              placenum % ncols,
              placenum // ncols,
              disp_collection[eachplot][0],
              title="%s" % (disp_collection[eachplot][1]),
              colormap=matplotlib.cm.Greys_r,
              sharexy=figure.subplot(0, 0),
          )
  
imports: import re
  import matplotlib.colors
  import numpy
  from cellprofiler_core.image import Image
  from cellprofiler_core.module import Module
  from cellprofiler_core.setting import Binary
  from cellprofiler_core.setting import HiddenCount
  from cellprofiler_core.setting import SettingsGroup
  from cellprofiler_core.setting import ValidationError
  from cellprofiler_core.setting.choice import Choice
  from cellprofiler_core.setting.do_something import DoSomething
  from cellprofiler_core.setting.do_something import RemoveSettingButton
  from cellprofiler_core.setting.subscriber import ImageSubscriber
  from cellprofiler_core.setting.text import Float
  from cellprofiler_core.setting.text import ImageName
  from cellprofiler_core.setting.text import Integer
label_desc: Use image node_id 16 for calling the ColorToGray obj's underlying member method code with example usage: obj.display_split(workspace, figure) without return types