docs: def printStats(self):
          """ Print the requested statistics values for those fields specified on input. """
          print("--- Imagestats Results ---")
  
          if (self.fields.find('npix') != -1 ):
              print("Number of pixels  :  ",self.npix)
          if (self.fields.find('min') != -1 ):
              print("Minimum value     :  ",self.min)
          if (self.fields.find('max') != -1 ):
              print("Maximum value     :  ",self.max)
          if (self.fields.find('stddev') != -1 ):
              print("Standard Deviation:  ",self.stddev)
          if (self.fields.find('mean') != -1 ):
              print("Mean              :  ",self.mean)
          if (self.fields.find('mode') != -1 ):
              print("Mode              :  ",self.mode)
          if (self.fields.find('median') != -1 ):
              print("Median            :  ",self.median)
          if (self.fields.find('midpt') != -1 ):
              print("Midpt            :  ",self.midpt)