BoundaryTimespanMaker¶

class tsmakers.BoundaryTimespanMaker.BoundaryTimespanMaker(start_talea=None, stop_talea=None, start_groupings=None, stop_groupings=None, start_anchor=Left, stop_anchor=Left, labels=None, division_masks=None, padding=None, seed=None, timespan_specifier=None, voice_names=None)[source]¶

A boundary timespan-maker.

>>> timespan_maker = tsmakers.BoundaryTimespanMaker(
...     start_talea=rmakers.Talea(
...         counts=[1],
...         denominator=2,
...     ),
...     stop_talea=rmakers.Talea(
...         counts=[1],
...         denominator=4,
...     ),
...     voice_names=("A", "B"),
... )
>>> print(abjad.storage(timespan_maker))
tsmakers.BoundaryTimespanMaker(
    start_talea=rmakers.Talea(
        [1],
        2
        ),
    stop_talea=rmakers.Talea(
        [1],
        4
        ),
    start_anchor=Left,
    stop_anchor=Left,
    voice_names=('A', 'B'),
    )

>>> timespan_list = abjad.TimespanList(
...     [
...         tsmakers.PerformedTimespan(
...             start_offset=0,
...             stop_offset=1,
...             voice_name="A",
...         ),
...         tsmakers.PerformedTimespan(
...             start_offset=(1, 2),
...             stop_offset=(3, 2),
...             voice_name="B",
...         ),
...         tsmakers.PerformedTimespan(
...             start_offset=3,
...             stop_offset=4,
...             voice_name="B",
...         ),
...     ]
... )
>>> music_specifiers = {"C": None}
>>> target_timespan = abjad.Timespan(0, 10)
>>> timespan_list = timespan_maker(
...     music_specifiers=music_specifiers,
...     target_timespan=target_timespan,
...     timespan_list=timespan_list,
... )
>>> ts_list = abjad.TimespanList(
...     [
...         abjad.AnnotatedTimespan(
...             start_offset=_.start_offset,
...             stop_offset=_.stop_offset,
...             annotation=_.voice_name,
...         )
...         for _ in timespan_list
...     ]
... )
>>> abjad.show(ts_list, scale=0.5, key="annotation")  

Attributes Summary

`labels`
`start_anchor`
`start_groupings`
`start_talea`
`stop_anchor`
`stop_groupings`
`stop_talea`
`voice_names`

Special methods

(TimespanMaker).__call__(layer=None, music_specifiers=None, rotation=None, silenced_context_names=None, target_timespan=None, timespan_list=None)¶: Call self as a function.