[ncl-talk] defining valid range, missing value

[Elham Ghasemifar]

daer colleges
any one can help me how i can define valid range for the section.i dont know i should change which one in the line below.
; Process valid_range. Fill value and missing value will be handled by this
; since they are outside of range values.
  data = where(data_raw.gt.data_hdf4 at valid_range(0) .and. data_raw.lt.data_hdf4 at valid_range(1), data_raw, data_hdf4 at _FillValue)


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