Exemple #1
0
def label_leaves_in_expr_with_numbered_interval_classes(
        expr, markup_direction=Up):
    r"""Label leaves in `expr` with numbered interval classes:

    ::

        >>> notes = scoretools.make_notes(
        ...     [0, 25, 11, -4, -14, -13, 9, 10, 6, 5],
        ...     [Duration(1, 8)],
        ...     )
        >>> staff = Staff(notes)
        >>> labeltools.label_leaves_in_expr_with_numbered_interval_classes(
        ...     staff)

    ..  doctest::

        >>> print(format(staff))
        \new Staff {
            c'8 ^ \markup { +1 }
            cs'''8 ^ \markup { -2 }
            b'8 ^ \markup { -3 }
            af8 ^ \markup { -10 }
            bf,8 ^ \markup { +1 }
            b,8 ^ \markup { +10 }
            a'8 ^ \markup { +1 }
            bf'8 ^ \markup { -4 }
            fs'8 ^ \markup { -1 }
            f'8
        }

    ::

        >>> show(staff) # doctest: +SKIP

    Returns none.
    """

    for note in iterate(expr).by_class(scoretools.Note):
        logical_voice_iterator = iterate(note).by_logical_voice_from_component(
            scoretools.Leaf, )
        try:
            next(logical_voice_iterator)
            next_leaf = next(logical_voice_iterator)
            if isinstance(next_leaf, scoretools.Note):
                mdi = note.written_pitch - next_leaf.written_pitch
                mci = pitchtools.NumberedInterval(mdi)
                mcic = pitchtools.NumberedIntervalClass(mci)
                markup = markuptools.Markup(mcic, markup_direction)
                attach(markup, note)
        except StopIteration:
            pass
 def __init__(self, number=0):
     from abjad.tools import pitchtools
     if isinstance(number, (int, float)):
         pass
     elif isinstance(number, pitchtools.Interval):
         number = number.semitones
     elif isinstance(number, pitchtools.IntervalClass):
         interval_class = pitchtools.NumberedIntervalClass(number)
         number = interval_class.number
     else:
         message = 'can not initialize {} from {!r}.'
         message = message.format(type(self).__name__, number)
         raise TypeError(message)
     number = mathtools.integer_equivalent_number_to_integer(number)
     self._number = number
Exemple #3
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 def __init__(self, arg=None):
     from abjad.tools import pitchtools
     if isinstance(arg, (int, float, int)):
         number = arg
     elif isinstance(arg, pitchtools.Interval):
         number = arg.semitones
     elif isinstance(arg, pitchtools.IntervalClass):
         interval_class = pitchtools.NumberedIntervalClass(arg)
         number = interval_class.number
     elif arg is None:
         number = 0
     else:
         message = 'can not initialize {}: {!r}.'
         message = message.format(type(self).__name__, arg)
         raise TypeError(message)
     self._number = number
Exemple #4
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def instantiate_pitch_and_interval_test_collection():
    r'''Instantiate pitch and interval test collection:

    ::

        >>> for x in pitchtools.instantiate_pitch_and_interval_test_collection(): x
        ...
        NumberedInversionEquivalentIntervalClass(1)
        NamedInversionEquivalentIntervalClass('+M2')
        NumberedInterval(1)
        NumberedIntervalClass(1)
        NamedInterval('+M2')
        NamedIntervalClass('+M2')
        NamedPitch('c')
        NamedPitchClass('c')
        NumberedPitch(1)
        NumberedPitchClass(1)

    Use to test pitch and interval interface consistency.

    Returns list.
    '''
    from abjad.tools import pitchtools

    result = []
    result.append(pitchtools.NumberedInversionEquivalentIntervalClass(1))
    result.append(pitchtools.NamedInversionEquivalentIntervalClass('M2'))
    result.append(pitchtools.NumberedInterval(1))
    result.append(pitchtools.NumberedIntervalClass(1))
    result.append(pitchtools.NamedInterval('M2'))
    result.append(pitchtools.NamedIntervalClass('M2'))
    result.append(pitchtools.NamedPitch('c'))
    result.append(pitchtools.NamedPitchClass('c'))
    result.append(pitchtools.NumberedPitch(1))
    result.append(pitchtools.NumberedPitchClass(1))
    return result