def make_harmonic_walk_sections():
harmonic_walk = manifolds.etc.pitch.harmonic_walk
harmonic_walk = sequencetools.flatten_sequence(harmonic_walk)
lengths = manifolds.etc.pitch.harmonic_walk_lengths
sections = sequencetools.partition_by_lengths(harmonic_walk, lengths)
sections = [tuple(x) for x in sections]
return sections
def make_territoires_parts():
ratio = [1] * 9
lengths = mathtools.partition_integer_by_ratio(164, ratio)
parts = sequencetools.partition_by_lengths(fully_labelled_cells, lengths)
parts = sequencetools.rotate(parts, -3)
territoires_parts = parts[:2] + parts[3:8]
originals = range(1, 9 + 1)
## territoires part numbers are [(4, 5), 6, (7, 8, 9, 1, 2), 3]
territoires_part_numbers = [4, 5, 7, 8, 9, 1, 2]
original_territoires_part_numbers = zip(originals, territoires_part_numbers)
parts = sequencetools.rotate(parts, -3)
manifolds_parts = parts[:4] + parts[5:]
## manifolds part numbers are [(7, 8, 9, 1), 2, (3, 4, 5, 6)]
manifolds_part_numbers = [7, 8, 9, 1, 3, 4, 5, 6]
original_manifolds_part_numbers = zip(originals, manifolds_part_numbers)
return territoires_parts, original_territoires_part_numbers, \
manifolds_parts, original_manifolds_part_numbers
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 P(l):
return sequencetools.partition_by_lengths(l, [12], cyclic=False, overhang=False)
# -*- coding: utf-8 -*-
from abjad.tools import sequencetools
from baca import tools
sixteenths = [[1, 1, 5], [1, 2, 4, 5]]
sixteenths = tools.helianthate(sixteenths, 1, 1)
sixteenths *= 3
# TODO: Unsure whether overhang should be True or False below
sixteenths = sequencetools.partition_by_lengths(
sixteenths,
[2, 3],
cyclic=True,
overhang=True,
)
sixteenths = [sum(part) for part in sixteenths]
pairs = [(n / 2, 8) if n % 2 == 0 else (n, 16) for n in sixteenths]
#durations = [duration.Duration(*p) for p in pairs]
durations = [Fraction(*p) for p in pairs]
directives = [r'\time %s/%s' % (p[0], p[1]) for p in pairs]
outer = [[2, 4, 4, 4], [2, 3, 4, 6], [2, 6, 6]] # valid
outer = tools.helianthate(outer, 1, 1)
#tools.segment(outer, sixteenths * 3, cycle = 'sheet')
#outer = tools.segment(outer, sixteenths * 5, cycle = 'sheet')
outer = sequencetools.repeat_list_to_weight(outer, sum(sixteenths * 5), remainder = 'more')
outer = sequencetools.partition_sequence_once_by_weights_at_least_without_overhang(outer, sixteenths * 5)
keys, shared, breath, rotation, distance = sequencetools.partition_by_lengths(
outer, len(sixteenths), cyclic = False, overhang = False)
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
def make_sequence_with_prominences():
harmonic_walk_lengths = manifolds.etc.pitch.harmonic_walk_lengths
harmonic_walk_lengths *= 2
field_center_cell_triples = manifolds.etc.pitch.field_center_cell_triples
assert sum(harmonic_walk_lengths) == len(field_center_cell_triples)
partitioned_triples = sequencetools.partition_by_lengths(
field_center_cell_triples, harmonic_walk_lengths)
prominent_sections = manifolds.etc.pitch.prominent_sections
assert len(prominent_sections) == len(partitioned_triples) == 46
prominent_section_numbers = manifolds.etc.pitch.prominent_section_numbers
pairwise_parts = sequencetools.pairwise(partitioned_triples, mode = 'wrap')
from manifolds.etc.pitch._helpers import field_number_to_field
prominent_counts = manifolds.etc.pitch.prominent_counts
modified_parts = []
for part_index, pair in enumerate(pairwise_parts):
first_part, second_part = pair
part_number = part_index + 1
if part_number in prominent_section_numbers:
start_triple = first_part[-1]
stop_triple = second_part[0]
start_field, start_direction, start_pitch = _unpack(start_triple)
stop_field, stop_direction, stop_pitch = _unpack(stop_triple)
count = prominent_counts[part_index]
if 0 < count:
prominence = make_prominence_between(
start_field, start_direction, start_pitch,
stop_field, stop_direction, stop_pitch,
count)
print len(prominence)
modified_first_part = list(first_part[:-1]) + prominence
else:
modified_first_part = list(first_part)
else:
modified_first_part = list(first_part)
modified_parts.append(modified_first_part)
assert len(modified_parts) == 46
return modified_parts
