def make_cells_with_prominences_score():
from manifolds.etc.pitch import prominent_section_numbers
from manifolds.etc.pitch import sequence_with_prominences as sections
from manifolds.etc.pitch._helpers import field_id_to_segmented_field
from manifolds.etc.pitch._helpers import section_index_to_polar_value
assert len(sections) == 46
score, treble, bass = make_piano_staff()
prominence_lengths = _prominence_lengths()
duration = Fraction(1, 16)
output_cells = []
cell_index_in_score = 0
## enumerate forty-six separate sections
for section_index, section in enumerate(sections):
cur_polar_value = section_index_to_polar_value(section_index)
next_polar_value = section_index_to_polar_value(section_index + 1)
prominence_length = prominence_lengths[section_index]
first_prominent_triple = len(section) - prominence_length - 1
cell_number_in_section = 1
first_field_id_in_prominence = None
second_field_id_in_prominence = None
for triple_index, triple in enumerate(section):
section_number = section_index + 1
field_id, middle, cell = triple
segmented_field = field_id_to_segmented_field(field_id)
cell_number_in_field = segmented_field.index(cell) + 1
if 0 < prominence_length and first_prominent_triple <= triple_index:
if cell_number_in_prominence is None:
cell_number_in_prominence = 1
first_field_id_in_prominence = field_id
else:
cell_number_in_prominence += 1
if not field_id == first_field_id_in_prominence:
second_field_id_in_prominence = field_id
else:
cell_number_in_prominence = None
measure = AnonymousMeasure([])
notes = [Note(pitch, duration) for pitch in cell]
measure.extend(notes)
if triple_index + 1 == len(section):
measure.barline.kind = '||'
if cell_number_in_prominence is not None:
measure.notehead.style = 'harmonic'
for leaf in measure.leaves:
leaf.notehead.color = 'red'
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]
cell_clef = pitchtools.suggest_clef(pitches)
if cell_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
notated_polar_value = cur_polar_value
if cell_number_in_prominence is not None:
if field_id == second_field_id_in_prominence:
notated_polar_value = next_polar_value
polar_clef = pitchtools.suggest_clef([Pitch(notated_polar_value)])
if polar_clef == cell_clef:
chord = Chord(measure[0])
notehead = NoteHead(None, notated_polar_value)
chord.append(notehead)
else:
note = Note(rest_measure[0])
note.pitch = notated_polar_value
notehead = note.notehead
notehead.style = 'harmonic'
notehead.color = 'blue'
first_leaf = bass[-1].leaves[0]
if cell_number_in_prominence is not None:
first_markup = r'\small \line { %s / %s-%s-%s }' % (
cell_index_in_score, section_number,
first_prominent_triple + 1, cell_number_in_prominence)
else:
first_markup = r'\small \line { %s / %s-%s }' % (
cell_index_in_score, section_number, cell_number_in_section)
first_leaf.markup.down.append(first_markup)
second_markup = r'\small \line { %s-%s \with-color #blue (%s) }' % (
field_id, cell_number_in_field, notated_polar_value)
first_leaf.markup.down.append(second_markup)
## make output to write to disk
output_cell = (
cell_index_in_score,
field_id,
cell_number_in_field,
cell,
section_number,
cell_number_in_section,
cell_number_in_prominence,
notated_polar_value)
output_cells.append(output_cell)
cell_number_in_section += 1
cell_index_in_score += 1
lower_bass_markup_blocks(bass)
front, back = Fraction(1, 16), Fraction(1, 32)
layout.insert_measure_padding(score, front, back)
section_lengths = [len(section) for section in sections]
label_sections_in_treble_in_blue(treble, section_lengths)
treble.text.X_offset = 'center'
treble.text.self_alignment_X = 'center'
bass.text.staff_padding = 4
layout.line_break_every_prolated(treble, Fraction(54, 16))
layout.line_break_every_prolated(bass, Fraction(54, 16))
staves = StaffAlignmentOffsets(0, -10)
systems = SystemYOffsets(45, 5)
positioning = FixedStaffPositioning(systems, staves)
layout.apply_fixed_staff_positioning(treble, positioning)
score.rest.transparent = True
score.formatter.number.measures = 'comment'
return score, output_cells
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