def identity(chunk, prev_note = 0, chordal = [], names = {}, name = ''):
if chordal == []:
return [chunk]
else:
if chunk.depth == 0:
if chunk.ctype == SCALEWISE:
a = transposeToChord(chunk, chordal)
a.setName(name)
return a
else:
above = []
below = []
for pit in chunk.pits:
above.append(hm.getClosestAbove(pit, chordal))
below.append(hm.getClosestBelow(pit, chordal))
return [Chunk(sub_chunks = None, pits = above, durs = chunk.durs, ctype = chunk.ctype, name = name), Chunk(sub_chunks = None, name=name, pits = below, durs = chunk.durs, ctype=chunk.ctype)]
elif chunk.depth == 1:
all_subs = OrderedDict()
i = 0
for sub_chunk_name, sub_chunk in chunk.sub_chunks.items():
new_name = getName(names, sub_chunk_name)
all_subs[new_name] = (identity(sub_chunk, chordal[i], name=new_name)[random.choice([0,1])])
i += 1
return [Chunk(sub_chunks = all_subs, name = name)]
else:
new_chunk = copy.deepcopy(chunk)
new_chunk.setName(name)
return new_chunk
def identity(chunk, chord = [], prev_note = 0, up_down = random.choice([-1,1])):
if chords == []:
return [chunk]
else:
if chunk.depth == 0:
if chunk.ctype == SCALEWISE:
return [copy.deepcopy(chunk)]
else:
above = []
below = []
for pit in chunk.pits:
above.append(hm.getClosestAbove(pit, chord))
below.append(hm.getClosestBelow(pit, chord))
return [Chunk(sub_chunks=None, pits=above, durs=chunk.durs, ctype = chunk.ctype), Chunk(sub_chunks=None, pits = below, durs = chunk.durs, ctype=chunk.ctype)]
def transposeToChord(chunk, prev_note = 0, chord = [], names = {}):
if chunk.depth == 0:
#get closest above with chord
distance = hm.getClosestAbove(chunk.pits[0], chord) - chunk.pits[0]
new_pits = [i + distance for i in chunk.pits]
chunk_above = Chunk(sub_chunks=None, pits=new_pits, durs=chunk.durs, ctype=chunk.ctype)
distance = chunk.pits[0] - hm.getClosestBelow(chunk.pits[0], chord)
new_pits = [i - distance for i in chunk.pits]
chunk_below = Chunk(sub_chunks=None, pits=new_pits, durs=chunk.durs, ctype=chunk.ctype)
new_chunks = [chunk_below, chunk_above]
if hm.chunkInChord(chunk, chord):
new_chunks.append(chunk)
return new_chunks
elif chunk.depth == 1:
return [Chunk]
else:
return [chunk]