message: Added doc regarding the flag ComputeLineIntegral in rtk::OraLookupTableImageFilter.
diff: @@ -29,7 +29,8 @@ namespace rtk
  * \brief Lookup table for Ora data.
  *
  * The lookup table uses the slope and intercept from the meta information to
  - * create a linear lookup table.
  + * create a linear lookup table. The log is taken depending on the flag
  + * ComputeLineIntegral.
  *
  * \test rtkoratest.cxx
  *
  