def compute_result(self, arg_contextual_note, target_contextual_note,
down_steps, up_steps):
arg_pitch = arg_contextual_note.note.diatonic_pitch
pitches = PitchScale.compute_tonal_pitch_range(
target_contextual_note.policy_context.harmonic_context.tonality,
arg_pitch, down_steps, up_steps)
result = OrderedSet()
for pitch in pitches:
result.add(
Note(pitch, self.note_two.base_duration,
self.note_two.num_dots))
return result
def verify(self, parameter_map):
"""
Verify that p_map has values satisfying the constraint.
:param parameter_map:
:return:
"""
first_contextual_note = parameter_map[self.note_one]
second_contextual_note = parameter_map[self.note_two]
if first_contextual_note.note is None or second_contextual_note.note is None:
return False
pitches = PitchScale.compute_tonal_pitch_range(
second_contextual_note.policy_context.harmonic_context.tonality,
first_contextual_note.note.diatonic_pitch, self.lower_steps,
self.upper_steps)
return second_contextual_note.note.diatonic_pitch in pitches
def test_compute_tonal_pitch_range(self):
logging.debug('Start test_compute_tonal_pitch_range')
tonality = Tonality.create(ModalityType.Major, DiatonicTone('Ab'))
pitch = DiatonicPitch(4, 'B#')
pitches = PitchScale.compute_tonal_pitch_range(tonality, pitch, 5, 7)
for p in reversed(pitches):
print(p)
test_pitches = [
'A:4', 'B:4', 'C:4', 'D:4', 'E:4', 'F:4', 'G:4', 'Ab:4', 'Bb:4',
'Db:4', 'Eb:4', 'C#:4', 'D#:4', 'G#:4', 'A#:4', 'B#:4', 'Cb:4',
'B##:4', 'Cbb:4'
]
ranges = [[0, 5], [-5, 0], [-4, 2], [-5, -3], [5, 7]]
answers = [
'[Ab:4,Bb:4,C:5,Db:5,Eb:5,F:5,G:5]',
'[C:4,Db:4,Eb:4,F:4,G:4,Ab:4,Bb:4]',
'[Db:4,Eb:4,F:4,G:4,Ab:4,Bb:4,C:5,Db:5]',
'[C:4,Db:4,Eb:4]',
'[G:5,Ab:5,Bb:5]',
'[Bb:4,C:5,Db:5,Eb:5,F:5,G:5,Ab:5]',
'[Db:4,Eb:4,F:4,G:4,Ab:4,Bb:4,C:5]',
'[Eb:4,F:4,G:4,Ab:4,Bb:4,C:5,Db:5,Eb:5]',
'[Db:4,Eb:4,F:4]',
'[Ab:5,Bb:5,C:6]',
'[C:4,Db:4,Eb:4,F:4,G:4,Ab:4]',
'[Eb:3,F:3,G:3,Ab:3,Bb:3,C:4]',
'[F:3,G:3,Ab:3,Bb:3,C:4,Db:4,Eb:4]',
'[Eb:3,F:3,G:3]',
'[Ab:4,Bb:4,C:5]',
'[Db:4,Eb:4,F:4,G:4,Ab:4,Bb:4,C:5]',
'[F:3,G:3,Ab:3,Bb:3,C:4,Db:4,Eb:4]',
'[G:3,Ab:3,Bb:3,C:4,Db:4,Eb:4,F:4,G:4]',
'[F:3,G:3,Ab:3]',
'[C:5,Db:5,Eb:5]',
'[Eb:4,F:4,G:4,Ab:4,Bb:4,C:5,Db:5]',
'[G:3,Ab:3,Bb:3,C:4,Db:4,Eb:4,F:4]',
'[Ab:3,Bb:3,C:4,Db:4,Eb:4,F:4,G:4,Ab:4]',
'[G:3,Ab:3,Bb:3]',
'[Db:5,Eb:5,F:5]',
'[F:4,G:4,Ab:4,Bb:4,C:5,Db:5]',
'[Ab:3,Bb:3,C:4,Db:4,Eb:4,F:4]',
'[Bb:3,C:4,Db:4,Eb:4,F:4,G:4,Ab:4]',
'[Ab:3,Bb:3,C:4]',
'[Db:5,Eb:5,F:5]',
'[G:4,Ab:4,Bb:4,C:5,Db:5,Eb:5]',
'[Bb:3,C:4,Db:4,Eb:4,F:4,G:4]',
'[C:4,Db:4,Eb:4,F:4,G:4,Ab:4,Bb:4]',
'[Bb:3,C:4,Db:4]',
'[Eb:5,F:5,G:5]',
'[Ab:4,Bb:4,C:5,Db:5,Eb:5,F:5]',
'[C:4,Db:4,Eb:4,F:4,G:4,Ab:4]',
'[Db:4,Eb:4,F:4,G:4,Ab:4,Bb:4,C:5]',
'[C:4,Db:4,Eb:4]',
'[F:5,G:5,Ab:5]',
'[Bb:4,C:5,Db:5,Eb:5,F:5,G:5]',
'[Db:4,Eb:4,F:4,G:4,Ab:4,Bb:4]',
'[Eb:4,F:4,G:4,Ab:4,Bb:4,C:5,Db:5]',
'[Db:4,Eb:4,F:4]',
'[G:5,Ab:5,Bb:5]',
'[Db:4,Eb:4,F:4,G:4,Ab:4,Bb:4]',
'[F:3,G:3,Ab:3,Bb:3,C:4,Db:4]',
'[G:3,Ab:3,Bb:3,C:4,Db:4,Eb:4,F:4]',
'[F:3,G:3,Ab:3]',
'[Bb:4,C:5,Db:5]',
'[Eb:4,F:4,G:4,Ab:4,Bb:4,C:5]',
'[G:3,Ab:3,Bb:3,C:4,Db:4,Eb:4]',
'[Ab:3,Bb:3,C:4,Db:4,Eb:4,F:4,G:4]',
'[G:3,Ab:3,Bb:3]',
'[C:5,Db:5,Eb:5]',
'[Db:4,Eb:4,F:4,G:4,Ab:4,Bb:4]',
'[F:3,G:3,Ab:3,Bb:3,C:4,Db:4]',
'[G:3,Ab:3,Bb:3,C:4,Db:4,Eb:4,F:4]',
'[F:3,G:3,Ab:3]',
'[Bb:4,C:5,Db:5]',
'[Eb:4,F:4,G:4,Ab:4,Bb:4,C:5]',
'[G:3,Ab:3,Bb:3,C:4,Db:4,Eb:4]',
'[Ab:3,Bb:3,C:4,Db:4,Eb:4,F:4,G:4]',
'[G:3,Ab:3,Bb:3]',
'[C:5,Db:5,Eb:5]',
'[Ab:4,Bb:4,C:5,Db:5,Eb:5,F:5]',
'[C:4,Db:4,Eb:4,F:4,G:4,Ab:4]',
'[Db:4,Eb:4,F:4,G:4,Ab:4,Bb:4,C:5]',
'[C:4,Db:4,Eb:4]',
'[F:5,G:5,Ab:5]',
'[Bb:4,C:5,Db:5,Eb:5,F:5,G:5]',
'[Db:4,Eb:4,F:4,G:4,Ab:4,Bb:4]',
'[Eb:4,F:4,G:4,Ab:4,Bb:4,C:5,Db:5]',
'[Db:4,Eb:4,F:4]',
'[G:5,Ab:5,Bb:5]',
'[C:5,Db:5,Eb:5,F:5,G:5,Ab:5]',
'[Eb:4,F:4,G:4,Ab:4,Bb:4,C:5]',
'[F:4,G:4,Ab:4,Bb:4,C:5,Db:5,Eb:5]',
'[Eb:4,F:4,G:4]',
'[Ab:5,Bb:5,C:6]',
'[Bb:3,C:4,Db:4,Eb:4,F:4,G:4,Ab:4]',
'[Db:3,Eb:3,F:3,G:3,Ab:3,Bb:3,C:4]',
'[Eb:3,F:3,G:3,Ab:3,Bb:3,C:4,Db:4,Eb:4]',
'[Db:3,Eb:3,F:3]',
'[Ab:4,Bb:4,C:5]',
'[Db:5,Eb:5,F:5,G:5,Ab:5,Bb:5]',
'[F:4,G:4,Ab:4,Bb:4,C:5,Db:5]',
'[G:4,Ab:4,Bb:4,C:5,Db:5,Eb:5,F:5]',
'[F:4,G:4,Ab:4]',
'[Bb:5,C:6,Db:6]',
'[Bb:3,C:4,Db:4,Eb:4,F:4,G:4]',
'[Db:3,Eb:3,F:3,G:3,Ab:3,Bb:3]',
'[Eb:3,F:3,G:3,Ab:3,Bb:3,C:4,Db:4]',
'[Db:3,Eb:3,F:3]',
'[G:4,Ab:4,Bb:4]',
]
answer_idx = 0
for pitch_str in test_pitches:
for r in ranges:
pitch = DiatonicPitch.parse(pitch_str)
pitches = PitchScale.compute_tonal_pitch_range(
tonality, pitch, r[0], r[1])
answer_str = '[' + (','.join(str(p) for p in pitches)) + ']'
# print '\'[' + (','.join(str(p) for p in pitches)) + ']\','
answer = answers[answer_idx]
answer_idx = answer_idx + 1
print('{0} [{1}, {2}]: {3}'.format(pitch, r[0], r[1],
answer_str))
assert answer == answer_str
logging.debug('End test_compute_tonal_pitch_range')
def values(self, p_map, v_note):
"""
:param p_map:
:param v_note:
:return:
"""
index = self.actors.index(v_note) if v_note in self.actors else None
if index is None:
raise Exception('Cannot find v_note in constraints actors')
if p_map[v_note].note is not None:
return OrderedSet([p_map[v_note].note])
# find the first assigned note
assigned_index = None
for i in range(0, len(self.actors)):
if p_map[self.actors[i]].note is not None:
assigned_index = i
break
if assigned_index is None:
pitches = p_map.all_tonal_pitches(v_note)
return OrderedSet([Note(p, v_note.base_duration, v_note.num_dots) for p in pitches])
known_note = p_map[self.actors[assigned_index]].note
if assigned_index < index:
for i in range(assigned_index + 1, index + 1):
unknown_contextual_note = p_map[self.actors[i]]
unknown_note = unknown_contextual_note.note
if unknown_note is not None:
known_note = unknown_note
continue
lower_index = self.variance_list[i - 1] if self.variance_list[i - 1] < 0 else 0
upper_index = self.variance_list[i - 1] if self.variance_list[i - 1] > 0 else 0
pitches = PitchScale.compute_tonal_pitch_range(
unknown_contextual_note.policy_context.harmonic_context.tonality,
known_note.diatonic_pitch, lower_index, upper_index)
pitch_index = self.variance_list[i - 1] + (len(pitches) - 1 if self.variance_list[i - 1] < 0 else 0)
if pitch_index < 0 or pitch_index >= len(pitches):
if pitches is None or len(pitches) == 0:
return OrderedSet()
pitch = pitches[0] if pitch_index < 0 else pitches[len(pitches) - 1]
else:
pitch = pitches[pitch_index]
known_note = Note(pitch, self.actors[i].base_duration, self.actors[i].num_dots)
return OrderedSet([known_note])
for i in range(assigned_index - 1, index - 1, -1):
unknown_contextual_note = p_map[self.actors[i]]
unknown_note = unknown_contextual_note.note
if unknown_note is not None:
known_note = unknown_note
continue
upper_index = -self.variance_list[i] if self.variance_list[i] < 0 else 0
lower_index = -self.variance_list[i] if self.variance_list[i] > 0 else 0
pitches = PitchScale.compute_tonal_pitch_range(
unknown_contextual_note.policy_context.harmonic_context.tonality,
known_note.diatonic_pitch, lower_index, upper_index)
pitch_index = -self.variance_list[i] + (len(pitches) - 1 if self.variance_list[i] > 0 else 0)
if pitch_index < 0:
pitch_index = 0
elif pitch_index >= len(pitches):
pitch_index = len(pitches) - 1
pitch = pitches[pitch_index]
known_note = Note(pitch, self.actors[i].base_duration, self.actors[i].num_dots)
return OrderedSet([known_note])