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
