TimedEdge

TimedEdge(
    type: EdgeType,
    origin: EdgeOrigin = EdgeOrigin.ASSERTED,
    anchor: TimingAnchor = TimingAnchor.ONSET,
    displacement: Duration | None = None,
)

An edge that places its target in time relative to its source.

The target starts at the anchor of the source (its onset or its offset) plus a signed displacement; None means no displacement, so the target coincides with the anchor.

Attributes

Name	Description
type
origin
meta
id
anchor
displacement

Methods

Name	Description
nudge	Nudges the displacement of this edge in the specified direction by the specified amount.
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nudge

nudge(direction: NudgeDirection, amount: Duration)

Nudges the displacement of this edge in the specified direction by the specified amount.

The displacement is a signed Duration: negative means the target starts before the anchor.

>>> from openmusickit.systems.wsmn.temporal.symbols import quarter, half
>>> edge = Branch()
>>> edge.nudge(NudgeDirection.FORWARD, quarter)
>>> edge.nudge(NudgeDirection.BACKWARD, half)
>>> edge.displacement
MetricalDuration(-1, 4)

Raises

Name	Type	Description
	TemporalCompatibilityError	if amount belongs to a different temporal system than the current displacement.

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