def add_voice(self, voice: list, offset: int = 0):
try:
assert len(voice) + offset <= self.size
except AssertionError:
raise ValueError(
"Voice doesn't fit in PitchMap. PitchMap is too short!")
voice = [PitchMapTone(mel.EmptyPitch(), 0)
for i in range(offset)] + list(voice)
while len(voice) < self.size:
voice.append(PitchMapTone(mel.EmptyPitch(), 0))
self.__voices.add(tuple(voice))
def _data(self):
data = [set([]) for i in range(self.size)]
for v in self.voices:
for i, sub in enumerate(v):
if sub.pitch != mel.EmptyPitch():
data[i].add(sub)
return data
def add_voice(self, voice: list, offset: int = 0):
try:
assert len(voice) + offset <= len(self)
except AssertionError:
raise ValueError(
"Voice doesn't fit in PitchMap. PitchMap is too short!")
for i, tone in enumerate(voice):
if tone.pitch != mel.EmptyPitch() and tone.weight > 0:
self.add_tone(i + offset, tone)
def sub(melody):
new = []
for i, it0 in enumerate(melody):
try:
it1 = melody[i + 1]
except IndexError:
new.append(it0)
break
pitch_test = (
all(p == mel.EmptyPitch() for p in it0.pitch),
all(p == mel.EmptyPitch() for p in it1.pitch),
)
if all(pitch_test):
t_new = type(it0)(
it0.pitch, it0.duration + it1.delay, it0.duration + it1.duration
)
return new + sub([t_new] + melody[i + 2 :])
else:
new.append(it0)
return new
def match(self, idx: int, pitch: ji.JIPitch):
data = self[idx]
harmonicity_weight_pairs = []
for sub in data:
if sub.pitch != mel.EmptyPitch():
harmonicity = self.harmonicity_function(sub.pitch, pitch)
harmonicity_weight_pairs.append((harmonicity, sub.weight))
full_harmonicity = sum(p[0] * p[1]
for p in harmonicity_weight_pairs) / sum(
p[1] for p in harmonicity_weight_pairs)
return full_harmonicity
def calculate_harmonicity_of(self, idx: int):
item = self[idx]
item = filter(lambda p: p.pitch != mel.EmptyPitch(), item)
combinations = itertools.combinations(item, 2)
harmonicity_weight_pairs = tuple(
(self.harmonicity_function(p0.pitch, p1.pitch),
p0.weight + p1.weight) for p0, p1 in combinations)
if harmonicity_weight_pairs:
return sum(p[0] * p[1] for p in harmonicity_weight_pairs) / sum(
p[1] for p in harmonicity_weight_pairs)
else:
return 0
def convert2abjad_pitches(self, pitches) -> list:
res = []
for pitch in pitches:
chord = []
for p in pitch:
if p != mel.EmptyPitch():
res_string = None
for s in self.strings:
if p == s.pitch:
res_string = s.number
break
if res_string is not None:
pitch_number = Monochord.convert_string_number2pitch_number(
res_string)
abjad_pitch = abjad.NumberedPitch(pitch_number)
chord.append(abjad_pitch)
else:
raise ValueError(
"Pitch: {0} could not be found in Monochord-Tuning!"
.format(p))
res.append(chord)
return res
