示例#1
0
 def _add_or_remove_notes_to_achieve_written_duration(
     self, new_written_duration):
     from abjad.tools import scoretools
     from abjad.tools import scoretools
     from abjad.tools import spannertools
     from abjad.tools import scoretools
     new_written_duration = durationtools.Duration(new_written_duration)
     if new_written_duration.is_assignable:
         self[0].written_duration = new_written_duration
         for leaf in self[1:]:
             parent = leaf._parent
             if parent:
                 index = parent.index(leaf)
                 del(parent[index])
         first = self[0]
         for spanner in first._get_spanners(spannertools.Tie):
             spanner._sever_all_components()
         #detach(spannertools.Tie, first)
     elif new_written_duration.has_power_of_two_denominator:
         durations = scoretools.make_notes(0, [new_written_duration])
         for leaf, token in zip(self, durations):
             leaf.written_duration = token.written_duration
         if len(self) == len(durations):
             pass
         elif len(durations) < len(self):
             for leaf in self[len(durations):]:
                 parent = leaf._parent
                 if parent:
                     index = parent.index(leaf)
                     del(parent[index])
         elif len(self) < len(durations):
             for spanner in self[0]._get_spanners(spannertools.Tie):
                 spanner._sever_all_components()
             #detach(spannertools.Tie, self[0])
             difference = len(durations) - len(self)
             extra_leaves = self[0] * difference
             for extra_leaf in extra_leaves:
                 for spanner in extra_leaf._get_spanners():
                     spanner._remove(extra_leaf)
             extra_tokens = durations[len(self):]
             for leaf, token in zip(extra_leaves, extra_tokens):
                 leaf.written_duration = token.written_duration
             ties = self[-1]._get_spanners(spannertools.Tie)
             if not ties:
                 tie = spannertools.Tie()
                 attach(tie, list(self))
             self[-1]._splice(extra_leaves, grow_spanners=True)
     else:
         durations = scoretools.make_notes(0, new_written_duration)
         assert isinstance(durations[0], scoretools.Tuplet)
         fmtuplet = durations[0]
         new_logical_tie_written = \
             fmtuplet[0]._get_logical_tie()._preprolated_duration
         self._add_or_remove_notes_to_achieve_written_duration(
             new_logical_tie_written)
         multiplier = fmtuplet.multiplier
         scoretools.Tuplet(multiplier, self.leaves)
     return self[0]._get_logical_tie()
示例#2
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 def _make_music(self, divisions, seeds):
     #assert not seeds, repr(seeds)
     if seeds is None:
         seeds = 0
     selections = []
     divisions = [durationtools.Division(_) for _ in divisions]
     denominators = datastructuretools.CyclicTuple(self.denominators)
     extra_counts_per_division = self.extra_counts_per_division or (0,)
     extra_counts_per_division = datastructuretools.CyclicTuple(
         extra_counts_per_division
         )
     for i, division in enumerate(divisions, seeds):
         # not yet extended to work with non-power-of-two divisions
         assert mathtools.is_positive_integer_power_of_two(
             division.denominator), repr(division)
         denominator = denominators[i]
         extra_count = extra_counts_per_division[i]
         basic_duration = durationtools.Duration(1, denominator)
         unprolated_note_count = None
         if division < 2 * basic_duration:
             notes = scoretools.make_notes([0], [division])
         else:
             unprolated_note_count = division / basic_duration
             unprolated_note_count = int(unprolated_note_count)
             unprolated_note_count = unprolated_note_count or 1
             if 0 < extra_count:
                 modulus = unprolated_note_count
                 extra_count = extra_count % modulus
             elif extra_count < 0:
                 modulus = int(math.ceil(unprolated_note_count / 2.0))
                 extra_count = abs(extra_count) % modulus
                 extra_count *= -1
             note_count = unprolated_note_count + extra_count
             durations = note_count * [basic_duration]
             notes = scoretools.make_notes([0], durations)
             assert all(
                 _.written_duration.denominator == denominator
                 for _ in notes
                 )
         tuplet_duration = durationtools.Duration(division)
         tuplet = scoretools.FixedDurationTuplet(
             duration=tuplet_duration,
             music=notes,
             )
         if unprolated_note_count is not None:
             preferred_denominator = unprolated_note_count
             tuplet.preferred_denominator = preferred_denominator
         selection = selectiontools.Selection(tuplet)
         selections.append(selection)
     self._apply_beam_specifier(selections)
     return selections
示例#3
0
文件: Leaf.py 项目: ajyoon/abjad
 def _set_duration(self, new_duration, use_messiaen_style_ties=False):
     from abjad.tools import scoretools
     from abjad.tools import spannertools
     new_duration = durationtools.Duration(new_duration)
     # change LilyPond multiplier if leaf already has LilyPond multiplier
     if self._get_indicators(durationtools.Multiplier):
         detach(durationtools.Multiplier, self)
         multiplier = new_duration.__div__(self.written_duration)
         attach(multiplier, self)
         return [self]
     # change written duration if new duration is assignable
     try:
         self.written_duration = new_duration
         return [self]
     except AssignabilityError:
         pass
     # make new notes or tuplets if new duration is nonassignable
     components = scoretools.make_notes(
         0,
         new_duration,
         use_messiaen_style_ties=use_messiaen_style_ties,
         )
     if isinstance(components[0], scoretools.Leaf):
         tied_leaf_count = len(components) - 1
         tied_leaves = tied_leaf_count * self
         all_leaves = [self] + tied_leaves
         for x, component in zip(all_leaves, components):
             x.written_duration = component.written_duration
         self._splice(tied_leaves, grow_spanners=True)
         parentage = self._get_parentage()
         if not parentage._get_spanners(spannertools.Tie):
             #if spannertools.Tie._attachment_test(self):
             tie = spannertools.Tie()
             if tie._attachment_test(self):
                 tie = spannertools.Tie(
                     use_messiaen_style_ties=use_messiaen_style_ties,
                     )
                 attach(tie, all_leaves)
         return all_leaves
     else:
         assert isinstance(components[0], scoretools.Tuplet)
         tuplet = components[0]
         components = tuplet[:]
         tied_leaf_count = len(components) - 1
         tied_leaves = tied_leaf_count * self
         all_leaves = [self] + tied_leaves
         for x, component in zip(all_leaves, components):
             x.written_duration = component.written_duration
         self._splice(tied_leaves, grow_spanners=True)
         if not self._get_spanners(spannertools.Tie):
             #if spannertools.Tie._attachment_test(self):
             tie = spannertools.Tie()
             if tie._attachment_test(self):
                 tie = spannertools.Tie(
                     use_messiaen_style_ties=use_messiaen_style_ties,
                     )
                 attach(tie, all_leaves)
         tuplet_multiplier = tuplet.multiplier
         scoretools.Tuplet(tuplet_multiplier, all_leaves)
         return [tuplet]
示例#4
0
文件: Leaf.py 项目: jefftrevino/abjad
    def _to_tuplet_with_ratio(self, proportions, is_diminution=True):
        from abjad.tools import scoretools
        from abjad.tools import scoretools

        # check input
        proportions = mathtools.Ratio(proportions)
        # find target duration of fixed-duration tuplet
        target_duration = self.written_duration
        # find basic duration of note in tuplet
        basic_prolated_duration = target_duration / sum(proportions)
        # find basic written duration of note in tuplet
        basic_written_duration = basic_prolated_duration.equal_or_greater_assignable
        # find written duration of each note in tuplet
        written_durations = [x * basic_written_duration for x in proportions]
        # make tuplet notes
        try:
            notes = [scoretools.Note(0, x) for x in written_durations]
        except AssignabilityError:
            denominator = target_duration._denominator
            note_durations = [durationtools.Duration(x, denominator) for x in proportions]
            notes = scoretools.make_notes(0, note_durations)
        # make tuplet
        tuplet = scoretools.FixedDurationTuplet(target_duration, notes)
        # fix tuplet contents if necessary
        tuplet._fix()
        # change prolation if necessary
        if not tuplet.multiplier == 1:
            if is_diminution:
                if not tuplet.is_diminution:
                    tuplet.toggle_prolation()
            else:
                if tuplet.is_diminution:
                    tuplet.toggle_prolation()
        # return tuplet
        return tuplet
示例#5
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 def _make_container(self, division):
     from abjad.tools import rhythmmakertools
     duration_spelling_specifier = self.duration_spelling_specifier
     if duration_spelling_specifier is None:
         duration_spelling_specifier = \
             rhythmmakertools.DurationSpellingSpecifier()
     forbidden_written_duration = \
         duration_spelling_specifier.forbidden_written_duration
     time_signature = indicatortools.TimeSignature(division)
     implied_prolation = time_signature.implied_prolation
     numerator, denominator = division.pair
     denominator = mathtools.greatest_power_of_two_less_equal(denominator)
     assert mathtools.is_positive_integer_power_of_two(denominator)
     exponent = self.exponent or 0
     denominator_multiplier = 2**exponent
     denominator *= denominator_multiplier
     unit_duration = durationtools.Duration(1, denominator)
     if forbidden_written_duration is not None:
         multiplier = 1
         while forbidden_written_duration <= unit_duration:
             unit_duration /= 2
             multiplier *= 2
         numerator *= multiplier
     numerator *= denominator_multiplier
     notes = scoretools.make_notes(numerator * [0], [unit_duration])
     if implied_prolation == 1:
         result = scoretools.Container(notes)
     else:
         multiplier = implied_prolation
         result = scoretools.Tuplet(multiplier, notes)
     return result
示例#6
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    def __illustrate__(self):
        r'''Illustrates pitch segment.

        ::

            >>> named_pitch_segment = pitchtools.PitchSegment(
            ...     ['bf,', 'aqs', "fs'", "g'", 'bqf', "g'"],
            ...     item_class=NamedPitch,
            ...     )
            >>> show(named_pitch_segment) # doctest: +SKIP

        Returns LilyPond file.
        '''
        from abjad.tools import durationtools
        from abjad.tools import lilypondfiletools
        from abjad.tools import markuptools
        from abjad.tools import pitchtools
        from abjad.tools import scoretools
        from abjad.tools import spannertools
        from abjad.tools.topleveltools import attach
        from abjad.tools.topleveltools import iterate
        from abjad.tools.topleveltools import override
        named_pitches = [pitchtools.NamedPitch(x) for x in self]
        notes = scoretools.make_notes(named_pitches, [1])
        score, treble_staff, bass_staff = \
            scoretools.make_piano_sketch_score_from_leaves(notes)
        for leaf in iterate(score).by_class(scoretools.Leaf):
            attach(durationtools.Multiplier(1, 8), leaf)
        override(score).rest.transparent = True
        lilypond_file = lilypondfiletools.make_basic_lilypond_file(score)
        lilypond_file.header_block.tagline = markuptools.Markup('""')
        return lilypond_file
示例#7
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    def __illustrate__(self):
        r'''Illustrates pitch segment.

        ::

            >>> named_pitch_segment = pitchtools.PitchSegment(
            ...     ['bf,', 'aqs', "fs'", "g'", 'bqf', "g'"],
            ...     item_class=NamedPitch,
            ...     )
            >>> show(named_pitch_segment) # doctest: +SKIP

        Returns LilyPond file.
        '''
        from abjad.tools import durationtools
        from abjad.tools import lilypondfiletools
        from abjad.tools import markuptools
        from abjad.tools import pitchtools
        from abjad.tools import scoretools
        from abjad.tools.topleveltools import attach
        from abjad.tools.topleveltools import iterate
        from abjad.tools.topleveltools import override
        named_pitches = [pitchtools.NamedPitch(x) for x in self]
        notes = scoretools.make_notes(named_pitches, [1])
        score, treble_staff, bass_staff = \
            scoretools.make_piano_sketch_score_from_leaves(notes)
        for leaf in iterate(score).by_class(scoretools.Leaf):
            attach(durationtools.Multiplier(1, 8), leaf)
        override(score).rest.transparent = True
        lilypond_file = lilypondfiletools.make_basic_lilypond_file(score)
        lilypond_file.header_block.tagline = markuptools.Markup('""')
        return lilypond_file
 def _make_container(self, division):
     from abjad.tools import rhythmmakertools
     duration_spelling_specifier = self._get_duration_spelling_specifier()
     forbidden_written_duration = \
         duration_spelling_specifier.forbidden_written_duration
     time_signature = indicatortools.TimeSignature(division)
     implied_prolation = time_signature.implied_prolation
     numerator, denominator = division.pair
     denominator = mathtools.greatest_power_of_two_less_equal(denominator)
     assert mathtools.is_positive_integer_power_of_two(denominator)
     exponent = self.exponent or 0
     denominator_multiplier = 2 ** exponent
     denominator *= denominator_multiplier
     unit_duration = durationtools.Duration(1, denominator)
     if forbidden_written_duration is not None:
         multiplier = 1
         while forbidden_written_duration <= unit_duration:
             unit_duration /= 2
             multiplier *= 2
         numerator *= multiplier
     numerator *= denominator_multiplier
     notes = scoretools.make_notes(numerator * [0], [unit_duration])
     if implied_prolation == 1:
         result = scoretools.Container(notes)
     else:
         multiplier = implied_prolation
         result = scoretools.Tuplet(multiplier, notes)
     return result
示例#9
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    def __call__(self, pulse_duration):
        r'''Calls q-grid leaf.

        Returns selection of notes.
        '''
        pulse_duration = durationtools.Duration(pulse_duration)
        total_duration = pulse_duration * self.preprolated_duration
        return scoretools.make_notes(0, total_duration)
示例#10
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    def __call__(self, pulse_duration):
        r'''Calls q-grid leaf.

        Returns selection of notes.
        '''
        pulse_duration = durationtools.Duration(pulse_duration)
        total_duration = pulse_duration * self.preprolated_duration
        return scoretools.make_notes(0, total_duration)
示例#11
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 def _set_duration(self, new_duration, use_messiaen_style_ties=False):
     from abjad.tools import scoretools
     from abjad.tools import spannertools
     new_duration = durationtools.Duration(new_duration)
     # change LilyPond multiplier if leaf already has LilyPond multiplier
     if self._get_indicators(durationtools.Multiplier):
         detach(durationtools.Multiplier, self)
         multiplier = new_duration.__div__(self.written_duration)
         attach(multiplier, self)
         return [self]
     # change written duration if new duration is assignable
     try:
         self.written_duration = new_duration
         return [self]
     except AssignabilityError:
         pass
     # make new notes or tuplets if new duration is nonassignable
     components = scoretools.make_notes(
         0,
         new_duration,
         use_messiaen_style_ties=use_messiaen_style_ties,
     )
     if isinstance(components[0], scoretools.Leaf):
         tied_leaf_count = len(components) - 1
         tied_leaves = tied_leaf_count * self
         all_leaves = [self] + tied_leaves
         for x, component in zip(all_leaves, components):
             x.written_duration = component.written_duration
         self._splice(tied_leaves, grow_spanners=True)
         parentage = self._get_parentage()
         if not parentage._get_spanners(spannertools.Tie):
             #if spannertools.Tie._attachment_test(self):
             tie = spannertools.Tie()
             if tie._attachment_test(self):
                 tie = spannertools.Tie(
                     use_messiaen_style_ties=use_messiaen_style_ties, )
                 attach(tie, all_leaves)
         return all_leaves
     else:
         assert isinstance(components[0], scoretools.Tuplet)
         tuplet = components[0]
         components = tuplet[:]
         tied_leaf_count = len(components) - 1
         tied_leaves = tied_leaf_count * self
         all_leaves = [self] + tied_leaves
         for x, component in zip(all_leaves, components):
             x.written_duration = component.written_duration
         self._splice(tied_leaves, grow_spanners=True)
         if not self._get_spanners(spannertools.Tie):
             #if spannertools.Tie._attachment_test(self):
             tie = spannertools.Tie()
             if tie._attachment_test(self):
                 tie = spannertools.Tie(
                     use_messiaen_style_ties=use_messiaen_style_ties, )
                 attach(tie, all_leaves)
         tuplet_multiplier = tuplet.multiplier
         scoretools.Tuplet(tuplet_multiplier, all_leaves)
         return [tuplet]
示例#12
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 def _make_container(self, division):
     numerator, denominator = division
     # eventually allow for non-power-of-two divisions
     assert mathtools.is_positive_integer_power_of_two(denominator)
     denominator_multiplier = 2 ** self.denominator_multiplier_exponent
     denominator *= denominator_multiplier
     unit_duration = durationtools.Duration(1, denominator)
     numerator *= denominator_multiplier
     notes = scoretools.make_notes(numerator * [0], [unit_duration])
     container = scoretools.Container(notes)
     if self.beam_each_cell:
         beam = spannertools.MultipartBeam()
         attach(beam, container)
     return container
示例#13
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    def __call__(self, pulse_duration):
        r'''Generate Abjad score components:

        ::

            >>> leaf = rhythmtreetools.RhythmTreeLeaf(5)
            >>> leaf((1, 4))
            Selection(Note("c'1"), Note("c'4"))

        Returns sequence of components.
        '''
        pulse_duration = durationtools.Duration(pulse_duration)
        total_duration = pulse_duration * self.preprolated_duration
        if self.is_pitched:
            return scoretools.make_notes(0, total_duration)
        return scoretools.make_rests(total_duration)
示例#14
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    def __call__(self, pulse_duration):
        r'''Generate Abjad score components:

        ::

            >>> leaf = rhythmtreetools.RhythmTreeLeaf(5)
            >>> leaf((1, 4))
            Selection(Note("c'1"), Note("c'4"))

        Returns sequence of components.
        '''
        pulse_duration = durationtools.Duration(pulse_duration)
        total_duration = pulse_duration * self.preprolated_duration
        if self.is_pitched:
            return scoretools.make_notes(0, total_duration)
        return scoretools.make_rests(total_duration)
示例#15
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 def _simplify_tuplets(self, selections):
     tuplet_spelling_specifier = self._get_tuplet_spelling_specifier()
     if not tuplet_spelling_specifier.simplify_tuplets:
         return
     for tuplet in iterate(selections).by_class(scoretools.Tuplet):
         if tuplet.is_trivial:
             continue
         duration = tuplet._get_duration()
         if all(isinstance(x, scoretools.Rest) for x in tuplet):
             rests = scoretools.make_rests([duration])
             tuplet[:] = rests
         elif all(isinstance(x, scoretools.Note) for x in tuplet):
             logical_ties = set([x._get_logical_tie() for x in tuplet])
             if len(logical_ties) == 1:
                 notes = scoretools.make_notes([0], [duration])
                 tuplet[:] = notes
示例#16
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 def _simplify_tuplets(self, selections):
     tuplet_spelling_specifier = self._get_tuplet_spelling_specifier()
     if not tuplet_spelling_specifier.simplify_tuplets:
         return
     for tuplet in iterate(selections).by_class(scoretools.Tuplet):
         if tuplet.is_trivial:
             continue
         duration = tuplet._get_duration()
         if all(isinstance(x, scoretools.Rest) for x in tuplet):
             rests = scoretools.make_rests([duration])
             tuplet[:] = rests
         elif all(isinstance(x, scoretools.Note) for x in tuplet):
             logical_ties = set([x._get_logical_tie() for x in tuplet])
             if len(logical_ties) == 1:
                 notes = scoretools.make_notes([0], [duration])
                 tuplet[:] = notes
def edit_first_violin_voice(score, durated_reservoir):
    r'''Edits first violin voice.
    '''

    voice = score['First Violin Voice']
    descents = durated_reservoir['First Violin']
    descents = selectiontools.Selection(descents)

    last_descent = select(descents[-1])
    copied_descent = mutate(last_descent).copy()
    voice.extend(copied_descent)

    final_sustain_rhythm = [(6, 4)] * 43 + [(1, 2)]
    final_sustain_notes = scoretools.make_notes(["c'"], final_sustain_rhythm)
    voice.extend(final_sustain_notes)
    tie = spannertools.Tie()
    attach(tie, final_sustain_notes)
    voice.extend('r4 r2.')
示例#18
0
def make_repeated_notes(count, duration=durationtools.Duration(1, 8)):
    r'''Make `count` repeated notes with note head-assignable `duration`:

    ::

        >>> scoretools.make_repeated_notes(4)
        Selection(Note("c'8"), Note("c'8"), Note("c'8"), Note("c'8"))

    Make `count` repeated logical ties with tied `duration`:

    ::

        >>> notes = scoretools.make_repeated_notes(2, (5, 16))
        >>> voice = Voice(notes)

    ..  doctest::

        >>> print(format(voice))
        \new Voice {
            c'4 ~
            c'16
            c'4 ~
            c'16
        }

    Make ad hoc tuplet holding `count` repeated notes with
    non-power-of-two `duration`:

    ::

        >>> scoretools.make_repeated_notes(3, (1, 12))
        Selection(Tuplet(Multiplier(2, 3), "c'8 c'8 c'8"),)

    Set pitch of all notes created to middle C.

    Returns list of zero or more newly constructed notes or list
    of one newly constructed tuplet.
    '''
    from abjad.tools import scoretools

    return scoretools.make_notes([0] * count, [duration])
示例#19
0
 def _to_tuplet_with_ratio(self, proportions, is_diminution=True):
     from abjad.tools import scoretools
     # check input
     proportions = mathtools.Ratio(proportions)
     # find target duration of fixed-duration tuplet
     target_duration = self.written_duration
     # find basic duration of note in tuplet
     basic_prolated_duration = target_duration / sum(proportions.numbers)
     # find basic written duration of note in tuplet
     basic_written_duration = \
         basic_prolated_duration.equal_or_greater_assignable
     # find written duration of each note in tuplet
     written_durations = [
         _ * basic_written_duration for _ in proportions.numbers
     ]
     # make tuplet notes
     try:
         notes = [scoretools.Note(0, x) for x in written_durations]
     except AssignabilityError:
         denominator = target_duration._denominator
         note_durations = [
             durationtools.Duration(_, denominator)
             for _ in proportions.numbers
         ]
         notes = scoretools.make_notes(0, note_durations)
     # make tuplet
     tuplet = scoretools.FixedDurationTuplet(target_duration, notes)
     # fix tuplet contents if necessary
     tuplet._fix()
     # change prolation if necessary
     if not tuplet.multiplier == 1:
         if is_diminution:
             if not tuplet.is_diminution:
                 tuplet.toggle_prolation()
         else:
             if tuplet.is_diminution:
                 tuplet.toggle_prolation()
     # return tuplet
     return tuplet
示例#20
0
 def __call__(
     self,
     logical_tie,
     seed=0,
     ):
     assert isinstance(logical_tie, selectiontools.LogicalTie)
     if self.counts is None:
         return
     previous_leaf = logical_tie.head._get_leaf(-1)
     if previous_leaf is None:
         return
     silence_prototype = (
         scoretools.Rest,
         scoretools.MultimeasureRest,
         scoretools.Skip,
         )
     if self.only_if_preceded_by_silence:
         if not isinstance(previous_leaf, silence_prototype):
             return
     if self.only_if_preceded_by_nonsilence:
         if isinstance(previous_leaf, silence_prototype):
             return
     grace_count = self.counts[seed]
     if not grace_count:
         return
     kind = 'after'
     leaf_to_attach_to = previous_leaf
     leaves = []
     notes = scoretools.make_notes([0], [(1, 16)] * grace_count)
     leaves.extend(notes)
     assert len(leaves)
     grace_container = scoretools.GraceContainer(
         leaves,
         kind=kind,
         )
     override(grace_container).flag.stroke_style = \
         schemetools.Scheme('grace', force_quotes=True)
     override(grace_container).script.font_size = 0.5
     attach(grace_container, leaf_to_attach_to)
示例#21
0
def edit_viola_voice(score, durated_reservoir):
    r'''Edits viola voice.
    '''

    voice = score['Viola Voice']
    descents = durated_reservoir['Viola']

    for leaf in descents[-1]:
        articulation = indicatortools.Articulation('accent')
        attach(articulation, leaf)
        articulation = indicatortools.Articulation('tenuto')
        attach(articulation, leaf)
    last_descent = select(descents[-1])
    copied_descent = mutate(last_descent).copy()
    for leaf in copied_descent:
        if leaf.written_duration == durationtools.Duration(4, 4):
            leaf.written_duration = durationtools.Duration(8, 4)
        else:
            leaf.written_duration = durationtools.Duration(4, 4)
    voice.extend(copied_descent)

    bridge = scoretools.Note('e1')
    articulation = indicatortools.Articulation('tenuto')
    attach(articulation, bridge)
    articulation = indicatortools.Articulation('accent')
    attach(articulation, bridge)
    voice.append(bridge)

    final_sustain_rhythm = [(6, 4)] * 21 + [(1, 2)]
    final_sustain_notes = scoretools.make_notes(['e'], final_sustain_rhythm)
    articulation = indicatortools.Articulation('accent')
    attach(articulation, final_sustain_notes[0])
    articulation = indicatortools.Articulation('tenuto')
    attach(articulation, final_sustain_notes[0])
    voice.extend(final_sustain_notes)
    tie = spannertools.Tie()
    attach(tie, final_sustain_notes)
    voice.extend('r4 r2.')
示例#22
0
 def _make_illustration(self):
     analysis = ChromaAnalysis(self)
     analysis.read()
     chroma_mean = self._normalize(analysis.mean)
     chroma_std = self._normalize(analysis.std)
     v_mean = scoretools.Voice([])
     v_std = scoretools.Voice([])
     staff = scoretools.Staff([v_mean, v_std])
     staff.is_simultaneous = True
     pitches = [x / 2. for x in range(0, 24)]
     v_mean.extend(scoretools.make_notes(pitches, (1, 4)))
     v_std.extend(scoretools.Skip((1, 4)) * len(v_mean))
     for i, val in enumerate(chroma_mean):
         x_extent = (0, 1.25)
         y_extent = ((val * -5.) - 0.75, (val * 5.) + 0.75)
         markup = markuptools.Markup.filled_box(x_extent, y_extent, 1)
         markup = markuptools.Markup(markup, 'up')
         attach(markup, v_mean[i])
         color = (90 - int(val * 90))
         color = schemetools.SchemeColor('grey{}'.format(color))
         override(v_mean[i]).text_script.color = color
     for i, val in enumerate(chroma_std):
         x_extent = (0, 1.25)
         y_extent = ((val * -5.) - 0.75, (val * 5.) + 0.75)
         markup = markuptools.Markup.filled_box(x_extent, y_extent, 1)
         markup = markuptools.Markup(markup, 'down')
         attach(markup, v_std[i])
         color = (90 - int(val * 90))
         color = schemetools.SchemeColor('grey{}'.format(color))
         override(v_std[i]).text_script.color = color
     override(v_mean).text_script.staff_padding = 1.5
     override(v_std).text_script.staff_padding = 3.0
     override(staff).stem.transparent = True
     staff.remove_commands.append('Time_signature_engraver')
     staff.remove_commands.append('Bar_engraver')
     score = scoretools.Score([staff])
     illustration = score.__illustrate__()
     return illustration
示例#23
0
    def make_notes(self, n=None, written_duration=None):
        r'''Makes first `n` notes in pitch segment.

        Set `n` equal to `n` or length of segment.

        Set `written_duration` equal to `written_duration` or ``1/8``:

        ::

            >>> notes = named_pitch_segment.make_notes()
            >>> staff = Staff(notes)
            >>> show(staff) # doctest: +SKIP

        ..  doctest::

            >>> print(format(staff))
            \new Staff {
                bf,8
                aqs8
                fs'8
                g'8
                bqf8
                g'8
            }

        Allows nonassignable `written_duration`:

        ::

            >>> notes = named_pitch_segment.make_notes(4, Duration(5, 16))
            >>> staff = Staff(notes)
            >>> time_signature = TimeSignature((5, 4))
            >>> attach(time_signature, staff)
            >>> show(staff) # doctest: +SKIP

        ..  doctest::

            >>> print(format(staff))
            \new Staff {
                \time 5/4
                bf,4 ~
                bf,16
                aqs4 ~
                aqs16
                fs'4 ~
                fs'16
                g'4 ~
                g'16
            }

        Returns list of notes.
        '''
        from abjad.tools import durationtools
        from abjad.tools import scoretools
        n = n or len(self)
        written_duration = written_duration or durationtools.Duration(1, 8)
        result = scoretools.make_notes([0] * n, [written_duration])
        for i, logical_tie in enumerate(iterate(result).by_logical_tie()):
            pitch = self[i % len(self)]
            for note in logical_tie:
                note.written_pitch = pitch
        return result
示例#24
0
文件: Meter.py 项目: adorsk/abjad
    def _make_gridded_test_rhythm(grid_length, rhythm_number, denominator=16):
        r'''Make test rhythm number `rhythm_number` that fits `grid_length`.

        Returns selection of one or more possibly tied notes.

        ..  container:: example

            **Example 1.** The eight test rhythms that fit a length-``4``
            grid:

            ::

                >>> from abjad.tools.metertools import Meter
                >>> for rhythm_number in range(8):
                ...     notes = Meter._make_gridded_test_rhythm(
                ...         4, rhythm_number, denominator=4)
                ...     measure = Measure((4, 4), notes)
                ...     print '{}\t{}'.format(rhythm_number, str(measure))
                ...
                0   |4/4 c'1|
                1   |4/4 c'2. c'4|
                2   |4/4 c'2 c'4 c'4|
                3   |4/4 c'2 c'2|
                4   |4/4 c'4 c'4 c'2|
                5   |4/4 c'4 c'4 c'4 c'4|
                6   |4/4 c'4 c'2 c'4|
                7   |4/4 c'4 c'2.|

        ..  container:: example

            **Example 2.** The sixteenth test rhythms for that a length-``5``
            grid:

            ::

                >>> for rhythm_number in range(16):
                ...     notes = Meter._make_gridded_test_rhythm(
                ...         5, rhythm_number, denominator=4)
                ...     measure = Measure((5, 4), notes)
                ...     print '{}\t{}'.format(rhythm_number, str(measure))
                ...
                0   |5/4 c'1 ~ c'4|
                1   |5/4 c'1 c'4|
                2   |5/4 c'2. c'4 c'4|
                3   |5/4 c'2. c'2|
                4   |5/4 c'2 c'4 c'2|
                5   |5/4 c'2 c'4 c'4 c'4|
                6   |5/4 c'2 c'2 c'4|
                7   |5/4 c'2 c'2.|
                8   |5/4 c'4 c'4 c'2.|
                9   |5/4 c'4 c'4 c'2 c'4|
                10  |5/4 c'4 c'4 c'4 c'4 c'4|
                11  |5/4 c'4 c'4 c'4 c'2|
                12  |5/4 c'4 c'2 c'2|
                13  |5/4 c'4 c'2 c'4 c'4|
                14  |5/4 c'4 c'2. c'4|
                15  |5/4 c'4 c'1|

        Use for testing meter establishment.
        '''
        from abjad.tools import scoretools
        # check input
        assert mathtools.is_positive_integer(grid_length)
        assert isinstance(rhythm_number, int)
        assert mathtools.is_positive_integer_power_of_two(denominator)
        # find count of all rhythms that fit grid length
        rhythm_count = 2 ** (grid_length - 1)
        # read rhythm number cyclically to allow large and
        # negative rhythm numbers
        rhythm_number = rhythm_number % rhythm_count
        # find binary representation of rhythm
        binary_representation = \
            mathtools.integer_to_binary_string(rhythm_number)
        binary_representation = binary_representation.zfill(grid_length)
        # partition binary representation of rhythm
        parts = sequencetools.partition_sequence_by_value_of_elements(
            binary_representation)
        # find durations
        durations = [
            durationtools.Duration(len(part), denominator)
            for part in parts
            ]
        # make notes
        notes = scoretools.make_notes([0], durations)
        # return notes
        return notes
示例#25
0
def fill_measures_in_expr_with_minimal_number_of_notes(
    expr,
    decrease_durations_monotonically=True,
    iterctrl=None,
):
    '''Fills measures in `expr` with minimal number of notes that decrease
    durations monotonically:

    ::

        >>> measure = Measure((5, 18), [], implicit_scaling=True)

    ::

        >>> scoretools.fill_measures_in_expr_with_minimal_number_of_notes(
        ...     measure, decrease_durations_monotonically=True)

    ..  doctest::

        >>> print(format(measure))
        {
            \time 5/18
            \scaleDurations #'(8 . 9) {
                c'4 ~
                c'16
            }
        }

    Fill measures in `expr` with minimal number of notes that increase
    durations monotonically:

    ::

        >>> measure = Measure((5, 18), [])
        >>> measure.implicit_scaling = True

    ::

        >>> scoretools.fill_measures_in_expr_with_minimal_number_of_notes(
        ...     measure, decrease_durations_monotonically=False)

    ..  doctest::

        >>> print(format(measure))
        {
            \time 5/18
            \scaleDurations #'(8 . 9) {
                c'16 ~
                c'4
            }
        }

    Returns none.
    '''
    from abjad.tools import scoretools

    if iterctrl is None:
        iterctrl = lambda measure, i: True
    for i, measure in enumerate(iterate(expr).by_class(scoretools.Measure)):
        if iterctrl(measure, i):
            time_signature = measure.time_signature
            written_duration = time_signature.duration / time_signature.implied_prolation
            notes = scoretools.make_notes(0,
                                          written_duration,
                                          decrease_durations_monotonically=
                                          decrease_durations_monotonically)
            measure[:] = notes
示例#26
0
    def make_notes(self, n=None, written_duration=None):
        r'''Makes first `n` notes in pitch segment.

        Set `n` equal to `n` or length of segment.

        Set `written_duration` equal to `written_duration` or ``1/8``:

        ::

            >>> notes = named_pitch_segment.make_notes()
            >>> staff = Staff(notes)
            >>> show(staff) # doctest: +SKIP

        ..  doctest::

            >>> print(format(staff))
            \new Staff {
                bf,8
                aqs8
                fs'8
                g'8
                bqf8
                g'8
            }

        Allows nonassignable `written_duration`:

        ::

            >>> notes = named_pitch_segment.make_notes(4, Duration(5, 16))
            >>> staff = Staff(notes)
            >>> time_signature = TimeSignature((5, 4))
            >>> attach(time_signature, staff)
            >>> show(staff) # doctest: +SKIP

        ..  doctest::

            >>> print(format(staff))
            \new Staff {
                \time 5/4
                bf,4 ~
                bf,16
                aqs4 ~
                aqs16
                fs'4 ~
                fs'16
                g'4 ~
                g'16
            }

        Returns list of notes.
        '''
        from abjad.tools import durationtools
        from abjad.tools import scoretools
        n = n or len(self)
        written_duration = written_duration or durationtools.Duration(1, 8)
        result = scoretools.make_notes([0] * n, [written_duration])
        for i, logical_tie in enumerate(iterate(result).by_logical_tie()):
            pitch = self[i % len(self)]
            for note in logical_tie:
                note.written_pitch = pitch
        return result
def fill_measures_in_expr_with_minimal_number_of_notes(expr, decrease_durations_monotonically=True, iterctrl=None):
    """Fills measures in `expr` with minimal number of notes that decrease
    durations monotonically:

    ::

        >>> measure = Measure((5, 18), [], implicit_scaling=True)

    ::

        >>> scoretools.fill_measures_in_expr_with_minimal_number_of_notes(
        ...     measure, decrease_durations_monotonically=True)

    ..  doctest::

        >>> print(format(measure))
        {
            \time 5/18
            \scaleDurations #'(8 . 9) {
                c'4 ~
                c'16
            }
        }

    Fill measures in `expr` with minimal number of notes that increase
    durations monotonically:

    ::

        >>> measure = Measure((5, 18), [])
        >>> measure.implicit_scaling = True

    ::

        >>> scoretools.fill_measures_in_expr_with_minimal_number_of_notes(
        ...     measure, decrease_durations_monotonically=False)

    ..  doctest::

        >>> print(format(measure))
        {
            \time 5/18
            \scaleDurations #'(8 . 9) {
                c'16 ~
                c'4
            }
        }

    Returns none.
    """
    from abjad.tools import scoretools

    if iterctrl is None:
        iterctrl = lambda measure, i: True
    for i, measure in enumerate(iterate(expr).by_class(scoretools.Measure)):
        if iterctrl(measure, i):
            time_signature = measure.time_signature
            written_duration = time_signature.duration / time_signature.implied_prolation
            notes = scoretools.make_notes(
                0, written_duration, decrease_durations_monotonically=decrease_durations_monotonically
            )
            measure[:] = notes
示例#28
0
    def to_tuplet(
        self,
        proportions,
        dotted=False,
        is_diminution=True,
        ):
        r'''Change logical tie to tuplet.

        ..  container:: example

            **Example 1.** Change logical tie to diminished tuplet:

            ::

                >>> staff = Staff(r"c'8 ~ c'16 cqs''4")
                >>> crescendo = spannertools.Hairpin(descriptor='p < f')
                >>> attach(crescendo, staff[:])
                >>> override(staff).dynamic_line_spanner.staff_padding = 3
                >>> time_signature = TimeSignature((7, 16))
                >>> attach(time_signature, staff)

            ..  doctest::

                >>> print(format(staff))
                \new Staff \with {
                    \override DynamicLineSpanner #'staff-padding = #3
                } {
                    \time 7/16
                    c'8 ~ \< \p
                    c'16
                    cqs''4 \f
                }

            ::

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

            ::

                >>> logical_tie = inspect_(staff[0]).get_logical_tie()
                >>> logical_tie.to_tuplet([2, 1, 1, 1], is_diminution=True)
                FixedDurationTuplet(Duration(3, 16), "c'8 c'16 c'16 c'16")

            ..  doctest::

                >>> print(format(staff))
                \new Staff \with {
                    \override DynamicLineSpanner #'staff-padding = #3
                } {
                    \time 7/16
                    \tweak #'text #tuplet-number::calc-fraction-text
                    \times 3/5 {
                        c'8 \< \p
                        c'16
                        c'16
                        c'16
                    }
                    cqs''4 \f
                }

            ::

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

        ..  container:: example

            **Example 2.** Change logical tie to augmented tuplet:

            ::

                >>> staff = Staff(r"c'8 ~ c'16 cqs''4")
                >>> crescendo = spannertools.Hairpin(descriptor='p < f')
                >>> attach(crescendo, staff[:])
                >>> override(staff).dynamic_line_spanner.staff_padding = 3
                >>> time_signature = TimeSignature((7, 16))
                >>> attach(time_signature, staff)

            ..  doctest::

                >>> print(format(staff))
                \new Staff \with {
                    \override DynamicLineSpanner #'staff-padding = #3
                } {
                    \time 7/16
                    c'8 ~ \< \p
                    c'16
                    cqs''4 \f
                }

            ::

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

            ::

                >>> logical_tie = inspect_(staff[0]).get_logical_tie()
                >>> logical_tie.to_tuplet([2, 1, 1, 1], is_diminution=False)
                FixedDurationTuplet(Duration(3, 16), "c'16 c'32 c'32 c'32")

            ..  doctest::

                >>> print(format(staff))
                \new Staff \with {
                    \override DynamicLineSpanner #'staff-padding = #3
                } {
                    \time 7/16
                    \tweak #'text #tuplet-number::calc-fraction-text
                    \times 6/5 {
                        c'16 \< \p
                        c'32
                        c'32
                        c'32
                    }
                    cqs''4 \f
                }

            ::

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

        Returns tuplet.
        '''
        from abjad.tools import scoretools
        from abjad.tools import mathtools
        from abjad.tools import spannertools

        # coerce input
        proportions = mathtools.Ratio(proportions)

        # find target duration of fixed-duration tuplet
        target_duration = self._preprolated_duration

        # find duration of each note in tuplet
        prolated_duration = target_duration / sum(proportions)

        # find written duration of each notes in tuplet
        if is_diminution:
            if dotted:
                basic_written_duration = \
                    prolated_duration.equal_or_greater_assignable
            else:
                basic_written_duration = \
                    prolated_duration.equal_or_greater_power_of_two
        else:
            if dotted:
                basic_written_duration = \
                    prolated_duration.equal_or_lesser_assignable
            else:
                basic_written_duration = \
                    prolated_duration.equal_or_lesser_power_of_two

        # find written duration of each note in tuplet
        written_durations = [x * basic_written_duration for x in proportions]

        # make tuplet notes
        try:
            notes = [scoretools.Note(0, x) for x in written_durations]
        except AssignabilityError:
            denominator = target_duration._denominator
            note_durations = [durationtools.Duration(x, denominator)
                for x in proportions]
            notes = scoretools.make_notes(0, note_durations)

        # make tuplet
        tuplet = scoretools.FixedDurationTuplet(target_duration, notes)

        # replace logical tie with tuplet
        mutate(self).replace(tuplet)

        # untie tuplet
        for spanner in tuplet._get_spanners(spannertools.Tie):
            spanner._sever_all_components()
        #detach(spannertools.Tie, tuplet)

        # return tuplet
        return tuplet
示例#29
0
文件: Scale.py 项目: jdavancens/abjad
    def make_notes(self, n, written_duration=None):
        r'''Makes first `n` notes in ascending diatonic scale
        according to `key_signature`.

        Set `written_duration` equal to `written_duration` or ``1/8``:

        ::

            >>> scale = tonalanalysistools.Scale('c', 'major')
            >>> notes = scale.make_notes(8)
            >>> staff = Staff(notes)

        ..  doctest::

            >>> print(format(staff))
            \new Staff {
                c'8
                d'8
                e'8
                f'8
                g'8
                a'8
                b'8
                c''8
            }

        ::

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

        Allow nonassignable `written_duration`:

        ::

            >>> notes = scale.make_notes(4, Duration(5, 16))
            >>> staff = Staff(notes)
            >>> time_signature = TimeSignature((5, 4))
            >>> attach(time_signature, staff)

        ..  doctest::

            >>> print(format(staff))
            \new Staff {
                \time 5/4
                c'4 ~
                c'16
                d'4 ~
                d'16
                e'4 ~
                e'16
                f'4 ~
                f'16
            }

        ::

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

        Returns list of notes.
        '''
        written_duration = written_duration or durationtools.Duration(1, 8)
        result = scoretools.make_notes(n * [0], [written_duration])
        self._set_ascending_named_diatonic_pitches_on_logical_ties_in_expr(
            result)
        return result
示例#30
0
    def _make_gridded_test_rhythm(grid_length, rhythm_number, denominator=16):
        r'''Make test rhythm number `rhythm_number` that fits `grid_length`.

        Returns selection of one or more possibly tied notes.

        ..  container:: example

            **Example 1.** The eight test rhythms that fit a length-``4``
            grid:

            ::

                >>> from abjad.tools.metertools import Meter
                >>> for rhythm_number in range(8):
                ...     notes = Meter._make_gridded_test_rhythm(
                ...         4, rhythm_number, denominator=4)
                ...     measure = Measure((4, 4), notes)
                ...     print('{}\t{}'.format(rhythm_number, str(measure)))
                ...
                0	Measure((4, 4), "c'1")
                1	Measure((4, 4), "c'2. c'4")
                2	Measure((4, 4), "c'2 c'4 c'4")
                3	Measure((4, 4), "c'2 c'2")
                4	Measure((4, 4), "c'4 c'4 c'2")
                5	Measure((4, 4), "c'4 c'4 c'4 c'4")
                6	Measure((4, 4), "c'4 c'2 c'4")
                7	Measure((4, 4), "c'4 c'2.")

        ..  container:: example

            **Example 2.** The sixteenth test rhythms for that a length-``5``
            grid:

            ::

                >>> for rhythm_number in range(16):
                ...     notes = Meter._make_gridded_test_rhythm(
                ...         5, rhythm_number, denominator=4)
                ...     measure = Measure((5, 4), notes)
                ...     print('{}\t{}'.format(rhythm_number, str(measure)))
                ...
                0	Measure((5, 4), "c'1 ~ c'4")
                1	Measure((5, 4), "c'1 c'4")
                2	Measure((5, 4), "c'2. c'4 c'4")
                3	Measure((5, 4), "c'2. c'2")
                4	Measure((5, 4), "c'2 c'4 c'2")
                5	Measure((5, 4), "c'2 c'4 c'4 c'4")
                6	Measure((5, 4), "c'2 c'2 c'4")
                7	Measure((5, 4), "c'2 c'2.")
                8	Measure((5, 4), "c'4 c'4 c'2.")
                9	Measure((5, 4), "c'4 c'4 c'2 c'4")
                10	Measure((5, 4), "c'4 c'4 c'4 c'4 c'4")
                11	Measure((5, 4), "c'4 c'4 c'4 c'2")
                12	Measure((5, 4), "c'4 c'2 c'2")
                13	Measure((5, 4), "c'4 c'2 c'4 c'4")
                14	Measure((5, 4), "c'4 c'2. c'4")
                15	Measure((5, 4), "c'4 c'1")

        Use for testing meter establishment.
        '''
        from abjad.tools import scoretools
        # check input
        assert mathtools.is_positive_integer(grid_length)
        assert isinstance(rhythm_number, int)
        assert mathtools.is_positive_integer_power_of_two(denominator)
        # find count of all rhythms that fit grid length
        rhythm_count = 2**(grid_length - 1)
        # read rhythm number cyclically to allow large and
        # negative rhythm numbers
        rhythm_number = rhythm_number % rhythm_count
        # find binary representation of rhythm
        binary_representation = \
            mathtools.integer_to_binary_string(rhythm_number)
        binary_representation = binary_representation.zfill(grid_length)
        # partition binary representation of rhythm
        parts = sequencetools.partition_sequence_by_value_of_elements(
            binary_representation)
        # find durations
        durations = [
            durationtools.Duration(len(part), denominator) for part in parts
        ]
        # make notes
        notes = scoretools.make_notes([0], durations)
        # return notes
        return notes
示例#31
0
    def make_notes(self, n=None, written_duration=None):
        r'''Make first `n` notes in pitch class segment.

        Set `n` equal to `n` or length of segment.

        Set `written_duration` equal to `written_duration` or ``1/8``:

        ::

            >>> pitch_class_segment = pitchtools.PitchClassSegment(
            ...     [2, 4.5, 6, 11, 4.5, 10])

        ::

            >>> notes = pitch_class_segment.make_notes()
            >>> staff = Staff(notes)
            >>> show(staff) # doctest: +SKIP

        ..  doctest::

            >>> print(format(staff))
            \new Staff {
                d'8
                eqs'8
                fs'8
                b'8
                eqs'8
                bf'8
            }

        Allow nonassignable `written_duration`:

        ::

            >>> notes = pitch_class_segment.make_notes(4, Duration(5, 16))
            >>> staff = Staff(notes)
            >>> time_signature = TimeSignature((5, 4))
            >>> attach(time_signature, staff)
            >>> show(staff) # doctest: +SKIP

        ..  doctest::

            >>> print(format(staff))
            \new Staff {
                \time 5/4
                d'4 ~
                d'16
                eqs'4 ~
                eqs'16
                fs'4 ~
                fs'16
                b'4 ~
                b'16
            }

        Returns list of notes.
        '''
        from abjad.tools import scoretools
        from abjad.tools import pitchtools
        n = n or len(self)
        written_duration = written_duration or durationtools.Duration(1, 8)
        result = scoretools.make_notes([0] * n, [written_duration])
        for i, logical_tie in enumerate(iterate(result).by_logical_tie()):
            pitch_class = pitchtools.NamedPitchClass(self[i % len(self)])
            pitch = pitchtools.NamedPitch(pitch_class, 4)
            for note in logical_tie:
                note.written_pitch = pitch
        return result
示例#32
0
    def make_notes(self, n=None, written_duration=None):
        r"""Make first `n` notes in pitch class segment.

        Set `n` equal to `n` or length of segment.

        Set `written_duration` equal to `written_duration` or ``1/8``:

        ::

            >>> pitch_class_segment = pitchtools.PitchClassSegment(
            ...     [2, 4.5, 6, 11, 4.5, 10])

        ::

            >>> notes = pitch_class_segment.make_notes()
            >>> staff = Staff(notes)
            >>> show(staff) # doctest: +SKIP

        ..  doctest::

            >>> print format(staff)
            \new Staff {
                d'8
                eqs'8
                fs'8
                b'8
                eqs'8
                bf'8
            }

        Allow nonassignable `written_duration`:

        ::

            >>> notes = pitch_class_segment.make_notes(4, Duration(5, 16))
            >>> staff = Staff(notes)
            >>> time_signature = TimeSignature((5, 4))
            >>> attach(time_signature, staff)
            >>> show(staff) # doctest: +SKIP

        ..  doctest::

            >>> print format(staff)
            \new Staff {
                \time 5/4
                d'4 ~
                d'16
                eqs'4 ~
                eqs'16
                fs'4 ~
                fs'16
                b'4 ~
                b'16
            }

        Returns list of notes.
        """
        from abjad.tools import scoretools
        from abjad.tools import pitchtools

        n = n or len(self)
        written_duration = written_duration or durationtools.Duration(1, 8)
        result = scoretools.make_notes([0] * n, [written_duration])
        for i, logical_tie in enumerate(iterate(result).by_logical_tie()):
            pitch_class = pitchtools.NamedPitchClass(self[i % len(self)])
            pitch = pitchtools.NamedPitch(pitch_class, 4)
            for note in logical_tie:
                note.written_pitch = pitch
        return result
示例#33
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def make_repeated_notes_with_shorter_notes_at_end(
    pitch,
    written_duration,
    total_duration,
    prolation=1,
):
    r'''Makes repeated notes with `pitch` and `written_duration` summing to
    `total_duration` under `prolation`.

    ::

        >>> args = [0, Duration(1, 16), Duration(1, 4)]
        >>> notes = scoretools.make_repeated_notes_with_shorter_notes_at_end(*args)
        >>> voice = Voice(notes)

    ..  doctest::

        >>> print(format(voice))
        \new Voice {
            c'16
            c'16
            c'16
            c'16
        }

    Fill power-of-two remaining duration with power-of-two notes of lesser written duration:

    ::

        >>> args = [0, Duration(1, 16), Duration(9, 32)]
        >>> notes = scoretools.make_repeated_notes_with_shorter_notes_at_end(*args)
        >>> voice = Voice(notes)

    ..  doctest::

        >>> print(format(voice))
        \new Voice {
            c'16
            c'16
            c'16
            c'16
            c'32
        }

    Fill non-power-of-two remaining duration with ad hoc tuplet:

    ::

        >>> args = [0, Duration(1, 16), Duration(4, 10)]
        >>> notes = scoretools.make_repeated_notes_with_shorter_notes_at_end(*args)
        >>> voice = Voice(notes)

    ..  doctest::

        >>> print(format(voice))
        \new Voice {
            c'16
            c'16
            c'16
            c'16
            c'16
            c'16
            \tweak #'edge-height #'(0.7 . 0)
            \times 4/5 {
                c'32
            }
        }

    Set `prolation` when making notes in a measure with a non-power-of-two denominator.

    Returns list of components.
    '''
    from abjad.tools import scoretools

    written_duration = durationtools.Duration(written_duration)
    total_duration = durationtools.Duration(total_duration)
    prolation = durationtools.Duration(prolation)
    prolation = fractions.Fraction(prolation)

    duration = prolation * written_duration
    current_duration = durationtools.Duration(0)
    result = []
    while current_duration + duration <= total_duration:
        result.append(scoretools.Note(pitch, written_duration))
        current_duration += duration
    remainder_duration = total_duration - current_duration
    if durationtools.Duration(0) < remainder_duration:
        multiplied_remainder = remainder_duration / prolation
        result.extend(scoretools.make_notes(pitch, [multiplied_remainder]))

    result = selectiontools.Selection(result)
    return result
示例#34
0
文件: Scale.py 项目: DnMllr/abjad
    def make_notes(self, n, written_duration=None):
        r'''Makes first `n` notes in ascending diatonic scale
        according to `key_signature`.

        Set `written_duration` equal to `written_duration` or ``1/8``:

        ::

            >>> scale = tonalanalysistools.Scale('c', 'major')
            >>> notes = scale.make_notes(8)
            >>> staff = Staff(notes)

        ..  doctest::

            >>> print(format(staff))
            \new Staff {
                c'8
                d'8
                e'8
                f'8
                g'8
                a'8
                b'8
                c''8
            }

        ::

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

        Allow nonassignable `written_duration`:

        ::

            >>> notes = scale.make_notes(4, Duration(5, 16))
            >>> staff = Staff(notes)
            >>> time_signature = TimeSignature((5, 4))
            >>> attach(time_signature, staff)

        ..  doctest::

            >>> print(format(staff))
            \new Staff {
                \time 5/4
                c'4 ~
                c'16
                d'4 ~
                d'16
                e'4 ~
                e'16
                f'4 ~
                f'16
            }

        ::

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

        Returns list of notes.
        '''
        written_duration = written_duration or durationtools.Duration(1, 8)
        result = scoretools.make_notes(n * [0], [written_duration])
        self._set_ascending_named_diatonic_pitches_on_logical_ties_in_expr(
            result)
        return result
示例#35
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    def to_tuplet(
        self,
        proportions,
        dotted=False,
        is_diminution=True,
        ):
        r'''Change logical tie to tuplet.

        ..  container:: example

            **Example 1.** Change logical tie to diminished tuplet:

            ::

                >>> staff = Staff(r"c'8 ~ c'16 cqs''4")
                >>> crescendo = spannertools.Hairpin(descriptor='p < f')
                >>> attach(crescendo, staff[:])
                >>> override(staff).dynamic_line_spanner.staff_padding = 3
                >>> time_signature = TimeSignature((7, 16))
                >>> attach(time_signature, staff)

            ..  doctest::

                >>> print(format(staff))
                \new Staff \with {
                    \override DynamicLineSpanner #'staff-padding = #3
                } {
                    \time 7/16
                    c'8 ~ \< \p
                    c'16
                    cqs''4 \f
                }

            ::

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

            ::

                >>> logical_tie = inspect_(staff[0]).get_logical_tie()
                >>> logical_tie.to_tuplet([2, 1, 1, 1], is_diminution=True)
                FixedDurationTuplet(Duration(3, 16), "c'8 c'16 c'16 c'16")

            ..  doctest::

                >>> print(format(staff))
                \new Staff \with {
                    \override DynamicLineSpanner #'staff-padding = #3
                } {
                    \time 7/16
                    \tweak #'text #tuplet-number::calc-fraction-text
                    \times 3/5 {
                        c'8 \< \p
                        c'16
                        c'16
                        c'16
                    }
                    cqs''4 \f
                }

            ::

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

        ..  container:: example

            **Example 2.** Change logical tie to augmented tuplet:

            ::

                >>> staff = Staff(r"c'8 ~ c'16 cqs''4")
                >>> crescendo = spannertools.Hairpin(descriptor='p < f')
                >>> attach(crescendo, staff[:])
                >>> override(staff).dynamic_line_spanner.staff_padding = 3
                >>> time_signature = TimeSignature((7, 16))
                >>> attach(time_signature, staff)

            ..  doctest::

                >>> print(format(staff))
                \new Staff \with {
                    \override DynamicLineSpanner #'staff-padding = #3
                } {
                    \time 7/16
                    c'8 ~ \< \p
                    c'16
                    cqs''4 \f
                }

            ::

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

            ::

                >>> logical_tie = inspect_(staff[0]).get_logical_tie()
                >>> logical_tie.to_tuplet([2, 1, 1, 1], is_diminution=False)
                FixedDurationTuplet(Duration(3, 16), "c'16 c'32 c'32 c'32")

            ..  doctest::

                >>> print(format(staff))
                \new Staff \with {
                    \override DynamicLineSpanner #'staff-padding = #3
                } {
                    \time 7/16
                    \tweak #'text #tuplet-number::calc-fraction-text
                    \times 6/5 {
                        c'16 \< \p
                        c'32
                        c'32
                        c'32
                    }
                    cqs''4 \f
                }

            ::

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

        Returns tuplet.
        '''
        from abjad.tools import scoretools
        from abjad.tools import mathtools
        from abjad.tools import agenttools
        from abjad.tools import scoretools
        from abjad.tools import spannertools
        from abjad.tools import scoretools

        # coerce input
        proportions = mathtools.Ratio(proportions)

        # find target duration of fixed-duration tuplet
        target_duration = self._preprolated_duration

        # find duration of each note in tuplet
        prolated_duration = target_duration / sum(proportions)

        # find written duration of each notes in tuplet
        if is_diminution:
            if dotted:
                basic_written_duration = \
                    prolated_duration.equal_or_greater_assignable
            else:
                basic_written_duration = \
                    prolated_duration.equal_or_greater_power_of_two
        else:
            if dotted:
                basic_written_duration = \
                    prolated_duration.equal_or_lesser_assignable
            else:
                basic_written_duration = \
                    prolated_duration.equal_or_lesser_power_of_two

        # find written duration of each note in tuplet
        written_durations = [x * basic_written_duration for x in proportions]

        # make tuplet notes
        try:
            notes = [scoretools.Note(0, x) for x in written_durations]
        except AssignabilityError:
            denominator = target_duration._denominator
            note_durations = [durationtools.Duration(x, denominator)
                for x in proportions]
            notes = scoretools.make_notes(0, note_durations)

        # make tuplet
        tuplet = scoretools.FixedDurationTuplet(target_duration, notes)

        # replace logical tie with tuplet
        mutate(self).replace(tuplet)

        # untie tuplet
        for spanner in tuplet._get_spanners(spannertools.Tie):
            spanner._sever_all_components()
        #detach(spannertools.Tie, tuplet)

        # return tuplet
        return tuplet
def make_repeated_notes_with_shorter_notes_at_end(
    pitch,
    written_duration,
    total_duration,
    prolation=1,
    ):
    r'''Makes repeated notes with `pitch` and `written_duration` summing to
    `total_duration` under `prolation`.

    ::

        >>> args = [0, Duration(1, 16), Duration(1, 4)]
        >>> notes = scoretools.make_repeated_notes_with_shorter_notes_at_end(*args)
        >>> voice = Voice(notes)

    ..  doctest::

        >>> print(format(voice))
        \new Voice {
            c'16
            c'16
            c'16
            c'16
        }

    Fill power-of-two remaining duration with power-of-two notes of lesser written duration:

    ::

        >>> args = [0, Duration(1, 16), Duration(9, 32)]
        >>> notes = scoretools.make_repeated_notes_with_shorter_notes_at_end(*args)
        >>> voice = Voice(notes)

    ..  doctest::

        >>> print(format(voice))
        \new Voice {
            c'16
            c'16
            c'16
            c'16
            c'32
        }

    Fill non-power-of-two remaining duration with ad hoc tuplet:

    ::

        >>> args = [0, Duration(1, 16), Duration(4, 10)]
        >>> notes = scoretools.make_repeated_notes_with_shorter_notes_at_end(*args)
        >>> voice = Voice(notes)

    ..  doctest::

        >>> print(format(voice))
        \new Voice {
            c'16
            c'16
            c'16
            c'16
            c'16
            c'16
            \tweak #'edge-height #'(0.7 . 0)
            \times 4/5 {
                c'32
            }
        }

    Set `prolation` when making notes in a measure with a non-power-of-two denominator.

    Returns list of components.
    '''
    from abjad.tools import scoretools

    written_duration = durationtools.Duration(written_duration)
    total_duration = durationtools.Duration(total_duration)
    prolation = durationtools.Duration(prolation)
    prolation = fractions.Fraction(prolation)

    duration = prolation * written_duration
    current_duration = durationtools.Duration(0)
    result = []
    while current_duration + duration <= total_duration:
        result.append(scoretools.Note(pitch, written_duration))
        current_duration += duration
    remainder_duration = total_duration - current_duration
    if durationtools.Duration(0) < remainder_duration:
        multiplied_remainder = remainder_duration / prolation
        result.extend(scoretools.make_notes(pitch, [multiplied_remainder]))

    result = selectiontools.Selection(result)
    return result