MeterInterface — Abjad v1.1.1 documentation

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# MeterInterface

class `abjad.meter.interface.` `MeterInterface`(_client, _updateInterface)

  Bases: `abjad.core.observer._Observer`, `abjad.core.grobhandler._GrobHandler`, `abjad.core.backtracking._BacktrackingInterface`

  Handle LilyPond TimeSignature grob. Publish information about effective and forced meter.

  `change`
    True when core attribute changes at client, otherwise False.
  `default`
  `effective`
    Effective core attribute governing client.
  `forced`
  `suppress`

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