docstr: Return tuples of channel indexes and the image names for output
docstr_tok: ["Return","tuples","of","channel","indexes","and","the","image","names","for","output"]
code: def channels_and_image_names(self):
      """Return tuples of channel indexes and the image names for output"""
      if self.rgb_or_channels == CH_RGB:
          rgb = (
              (self.use_red.value, self.red_name.value, "Red"),
              (self.use_green.value, self.green_name.value, "Green"),
              (self.use_blue.value, self.blue_name.value, "Blue"),
          )
          return [
              (i, name, title)
              for i, (use_it, name, title) in enumerate(rgb)
              if use_it
          ]
  
      if self.rgb_or_channels == CH_HSV:
          hsv = (
              (self.use_hue.value, self.hue_name.value, "Hue"),
              (
                  self.use_saturation.value,
                  self.saturation_name.value,
                  "Saturation",
              ),
              (self.use_value.value, self.value_name.value, "Value"),
          )
          return [
              (i, name, title)
              for i, (use_it, name, title) in enumerate(hsv)
              if use_it
          ]
  
      result = []
      for channel in self.channels:
          choice = channel.channel_choice.value
          channel_idx = self.get_channel_idx_from_choice(choice)
          if channel_idx < len(self.channel_names):
              channel_name = self.channel_names[channel_idx]
          else:
              channel_name = "Channel: " + str(choice)
          result.append(
              (channel_idx, channel.image_name.value, channel_name)
          )
      return result
  
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 10 for calling the ColorToGray obj's underlying member method code with example usage: obj.channels_and_image_names() and returns: result, unknown, unknown