def label_sections_in_treble_in_blue(treble, section_lengths):

    treble_sections = sequencetools.partition_by_lengths(
        treble[:], section_lengths, cyclic = True)

    for section_index, treble_section in enumerate(treble_sections):
        section_number = section_index + 1
        if 1 < len(treble_section):
            treble_leaves = list(iterate.naive(treble_section, _Leaf))
            bracket = Bracket(treble_leaves[1:])
            bracket.staff_padding = 8
            bracket.color = 'blue'
            bracket.dash_period = 2
            bracket.dash_fraction = 0.25
            section_markup = '\halign #0 \with-color #blue \circle { %s } " "'
            section_markup %= section_number
            bracket.bound_details__left__text = Markup(section_markup)
            bracket.bound_details__left__stencil_align_dir_y = 'center'
        else:
            first_note = treble_section[0][1]
            section_markup = '\with-color #blue \circle { %s } " "'
            section_markup %= section_number
            first_note.markup.up.append(section_markup)
            first_note.text.staff_padding = 8
def make_two_staff_unordered_cells_score():

    cells = manifolds.etc.pitch.unordered_cells_sequence
    directions = manifolds.etc.pitch.segmentation_series
    harmonic_walk = sequencetools.flatten_sequence(manifolds.etc.pitch.harmonic_walk)

    score = Score([])
    piano_staff = PianoStaff([])
    score.append(piano_staff)

    treble = Staff([])
    treble.accidental.style = "forget"
    treble.clef.forced = Clef("treble")

    bass = Staff([])
    bass.accidental.style = "forget"
    bass.clef.forced = Clef("bass")

    piano_staff.append(treble)
    piano_staff.append(bass)

    duration = Fraction(1, 16)
    for cell_number, cell in enumerate(cells):
        measure = AnonymousMeasure([])
        notes = [Note(pitch, duration) for pitch in cell]
        measure.extend(notes)

        rest_measure = clone.unspan([measure])[0]
        for i, note in enumerate(rest_measure):
            rest_measure[i] = Rest(note.duration.written)

        pitches = [note.pitch for note in notes]
        clef = pitchtools.suggest_clef(pitches)

        if clef == Clef("treble"):
            treble.append(measure)
            bass.append(rest_measure)
        else:
            treble.append(rest_measure)
            bass.append(measure)

        if 26 < max(cell):
            octavation = Octavation(measure[:])
            octavation.start = 1

        if directions[cell_number % 16] == -1:
            direction = "L"
        else:
            direction = "R"

        field_number = (cell_number + 6) % 8 + 1
        center_pitch = harmonic_walk[cell_number % len(harmonic_walk)]

        chord = Chord(measure[0])
        notehead = NoteHead(None, center_pitch)
        notehead.style = "harmonic"
        notehead.color = "blue"
        chord.append(notehead)

        first_leaf = treble[-1].leaves[0]
        first_leaf.markup.up.append(str(cell_number))

        label = r"\line { %s%s \with-color #blue (%s) }" % (direction, field_number, center_pitch)
        first_leaf.markup.up.append(label)

    front, back = Fraction(1, 16), Fraction(1, 32)
    layout.insert_measure_padding(score, front, back)

    lengths = manifolds.etc.pitch.harmonic_walk_lengths
    parts = sequencetools.partition_by_lengths(treble[:], lengths, cyclic=True)

    for part in parts:
        if 1 < len(part):
            bracket = Bracket(part)
            bracket.staff_padding = None

    parts = sequencetools.partition_by_lengths(bass[:], lengths, cyclic=True)
    for part_number, part in enumerate(parts):
        label = r"\with-color #blue \circle{ %s }" % (part_number + 1)
        part[0][1].markup.down.append(label)

    layout.line_break_every_prolated(treble, Fraction(58, 16))
    layout.line_break_every_prolated(bass, Fraction(58, 16))

    staves = StaffAlignmentOffsets(0, -10)
    systems = SystemYOffsets(45, 5)
    positioning = FixedStaffPositioning(systems, staves)
    layout.apply_fixed_staff_positioning(treble, positioning)

    score.rest.transparent = True

    return score
def make_unordered_cells_score():

    cells = manifolds.etc.pitch.unordered_cells_sequence
    directions = manifolds.etc.pitch.segmentation_series
    harmonic_walk = sequencetools.flatten_sequence(manifolds.etc.pitch.harmonic_walk)

    score = Score([])
    staff = Staff([])
    staff.accidental.style = 'forget'
    score.append(staff)

    duration = Fraction(1, 16)
    for cell_number, cell in enumerate(cells):
        measure = AnonymousMeasure([])
        notes = [Note(pitch, duration) for pitch in cell]
        measure.extend(notes)
        pitches = [note.pitch for note in notes]
        clef = pitchtools.suggest_clef(pitches)
        measure.clef.forced = clef

        if 26 < max(cell):
            octavation = Octavation(measure[:])
            octavation.start = 1

        measure.formatter.number.self = 'comment'
        staff.append(measure)

        if directions[cell_number % 16] == -1:
            direction = 'L'
        else:
            direction = 'R'

        field_number = (cell_number + 6) % 8 + 1
        center_pitch = harmonic_walk[cell_number % len(harmonic_walk)]

        chord = Chord(measure[0])
        notehead = NoteHead(None, center_pitch)
        notehead.style = 'harmonic'
        notehead.color = 'blue'
        chord.append(notehead)

        first_leaf = measure.leaves[0]
        first_leaf.markup.up.append(str(cell_number))

        label = r'\line { %s%s \with-color #blue (%s) }' % (
            direction, field_number, center_pitch)
        first_leaf.markup.up.append(label)

        front, back = Fraction(1, 16), Fraction(1, 32)
        layout.insert_measure_padding(measure, front, back)

    lengths = manifolds.etc.pitch.harmonic_walk_lengths
    parts = sequencetools.partition_by_lengths(staff[:], lengths, cyclic = True)
    spacing_voice = Voice([])

    for part_number, part in enumerate(parts):
        if 1 < len(part):
            bracket = Bracket(part)
            bracket.staff_padding = None

        skip = Skip((1, 16))
        spacing_voice.append(skip)

        skip = Skip((1, 1))
        skip.duration.multiplier = durationtools.sum_prolated(part) - Fraction(1, 16)
        spacing_voice.append(skip)

        label = r'\with-color #blue \circle { %s }' % (part_number + 1)
        skip.markup.down.append(label)

    spacing_voice.text.staff_padding = 4

    Voice(staff[:])
    staff.parallel = True
    staff.append(spacing_voice)

    lines = Fraction(58, 16)
    systems = SystemYOffsets(33, 7, 1)
    positioning = FixedStaffPositioning(systems)
    layout.line_break_every_prolated(staff, lines)
    layout.apply_fixed_staff_positioning(staff, positioning)

    score.rest.transparent = True

    return score