code: def volumetric(self):
      return True
  
imports: import centrosome.cpmorphology
  import centrosome.zernike
  import numpy
  import scipy.ndimage
  import skimage.measure
  from cellprofiler_core.constants.measurement import COLTYPE_FLOAT
  from cellprofiler_core.module import Module
  from cellprofiler_core.object import Objects
  from cellprofiler_core.setting import Divider, Binary, ValidationError
  from cellprofiler_core.setting.subscriber import LabelListSubscriber
  import cellprofiler.gui.help.content
  import cellprofiler.icons
label_desc: Use image node_id 19 for calling the MeasureObjectSizeShape obj's underlying member method code with example usage: obj.volumetric() and returns: True