code: def volumetric(self):
      return True
  
imports: import logging
  import numpy
  from cellprofiler_core.constants.measurement import COLTYPE_FLOAT
  from cellprofiler_core.constants.measurement import IMAGE
  from cellprofiler_core.constants.measurement import R_FIRST_IMAGE_NUMBER
  from cellprofiler_core.constants.measurement import R_FIRST_OBJECT_NUMBER
  from cellprofiler_core.constants.measurement import R_PARENT
  from cellprofiler_core.constants.measurement import R_SECOND_IMAGE_NUMBER
  from cellprofiler_core.constants.measurement import R_SECOND_OBJECT_NUMBER
  from cellprofiler_core.module import Module
  from cellprofiler_core.setting import Binary
  from cellprofiler_core.setting import Divider
  from cellprofiler_core.setting import Measurement
  from cellprofiler_core.setting import ValidationError
  from cellprofiler_core.setting.choice import Choice
  from cellprofiler_core.setting.subscriber import LabelSubscriber
  from cellprofiler_core.setting.text import Alphanumeric
  from cellprofiler_core.setting.text import Float
  from cellprofiler_core.setting.text import Integer
label_desc: Use image node_id 16 for calling the CalculateMath obj's underlying member method code with example usage: obj.volumetric() and returns: True