code: def pixelwise_or(self, binary_im):
          
          data = np.copy(self._data)
          ind = np.where(binary_im.data > 0)
          data[ind[0], ind[1], ...] = BINARY_IM_MAX_VAL
          return BinaryImage(data, self._frame)
docs: Takes OR operation with other binary image.
  
          Parameters
          ----------
          binary_im : :obj:`BinaryImage`
              binary image for and operation
  
          Returns
          -------
          :obj:`BinaryImage`
              OR of this binary image and other image