# This is a whitespace-based thesaurus of types of activities.
# Narrower terms are more deeply indented.
#
# Comments and Criticism to: prov-adhoc@g-vo.org

ivoat:dataAcquisition
  ivoat:observation
    # Waveband: No, characterisation
    # 1d, 2d, various axis: No, charactrisation
    # "purpose": could be terms from ivoat: observingTechnique -- is
    #   there a compelling use case for that?

ivoat:dataProcessing
  ivoat:dataReduction
    identityPreservingOperation
      # ? DM: can we portably mark up the "preserved" input?
      ivoat:calibration
        ivoat:darkCurrentCalibration
        ivoat:biasCalibration
          ?flatFieldingDome
          ?flatFieldingTwilight
          ?flatFieldingNight
        ivoat:linearityCalibration
        masking

    combiningOperation
      imageStacking
      merging (as of event lists)
      moasicing
      correlation (as for radio visibilities)
  
  extractingOperation
    cutout

  interpolation
    regridding
    combineEchelleOrders

  objectRegistration (any process producing object catalogs out of images)

  rendering (any process producing arrays out of relational data)