docstr: Get the scales for a measurement
  
  For the Zernikes, the scales are of the form, N2M2 or N2MM2 for
  negative azimuthal degree
docstr_tok: ["Get","the","scales","for","a","measurement","For","the","Zernikes",",","the","scales","are","of","the","form",",","N2M2","or","N2MM2","for","negative","azimuthal","degree"]
code: def get_measurement_scales(
      self, pipeline, object_name, category, measurement, image_name
  ):
      """Get the scales for a measurement
  
      For the Zernikes, the scales are of the form, N2M2 or N2MM2 for
      negative azimuthal degree
      """
  
      def get_scale(n, m):
          if m >= 0:
              return "N%dM%d" % (n, m)
  
          return "N%dMM%d" % (n, -m)
  
      if image_name in self.get_measurement_images(
          pipeline, object_name, category, measurement
      ):
          return [
              get_scale(n, m) for n, m in self.get_zernike_indexes(True)
          ]
  
      return []
  
imports: import centrosome.cpmorphology
  import centrosome.zernike
  import numpy
  import scipy.ndimage
  from cellprofiler_core.constants.measurement import COLTYPE_FLOAT
  from cellprofiler_core.module import Module
  from cellprofiler_core.setting.subscriber import ImageSubscriber, LabelSubscriber
  from cellprofiler_core.setting.text import Integer
label_desc: Use image node_id 13 for calling the MeasurementTemplate obj's underlying member method code with example usage: obj.get_measurement_scales(pipeline, object_name, category, measurement, image_name) and returns: list, unknown, unknown, unknown