InterpolationSpecifier

class abjadext.rmakers.InterpolationSpecifier.InterpolationSpecifier(*, start_duration=(1, 8), stop_duration=(1, 16), written_duration=(1, 16))

Interpolation specifier.

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Attributes Summary

reverse	Swaps start duration and stop duration of interpolation specifier.
start_duration	Gets start duration.
stop_duration	Gets stop duration.
written_duration	Gets written duration.

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Special methods

(AbjadValueObject).__copy__(*arguments)

Copies Abjad value object.

Returns new Abjad value object.

(AbjadValueObject).__eq__(argument)

Is true when all initialization values of Abjad value object equal the initialization values of argument.

Returns true or false.

(AbjadObject).__format__(format_specification='')

Formats Abjad object.

Set format_specification to '' or 'storage'. Interprets '' equal to 'storage'.

Returns string.

(AbjadValueObject).__hash__()

Hashes Abjad value object.

Returns integer.

(AbjadObject).__repr__()

Gets interpreter representation of Abjad object.

Returns string.

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Methods

reverse()

Swaps start duration and stop duration of interpolation specifier.

Changes accelerando specifier to ritardando specifier:

>>> specifier = abjadext.rmakers.InterpolationSpecifier(
...     start_duration=(1, 4),
...     stop_duration=(1, 16),
...     written_duration=(1, 16),
...     )
>>> specifier = specifier.reverse()
>>> abjad.f(specifier)
abjadext.rmakers.InterpolationSpecifier(
    start_duration=abjad.Duration(1, 16),
    stop_duration=abjad.Duration(1, 4),
    written_duration=abjad.Duration(1, 16),
    )

Changes ritardando specifier to accelerando specifier:

>>> specifier = abjadext.rmakers.InterpolationSpecifier(
...     start_duration=(1, 16),
...     stop_duration=(1, 4),
...     written_duration=(1, 16),
...     )
>>> specifier = specifier.reverse()
>>> abjad.f(specifier)
abjadext.rmakers.InterpolationSpecifier(
    start_duration=abjad.Duration(1, 4),
    stop_duration=abjad.Duration(1, 16),
    written_duration=abjad.Duration(1, 16),
    )

Return type:InterpolationSpecifier

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Read-only properties

start_duration

Gets start duration.

Return type:Duration

stop_duration

Gets stop duration.

Return type:Duration

written_duration

Gets written duration.

Return type:Duration