def createChordGraph(flatStream):
chords = flatStream.getElementsByClass(chord.Chord)
k = flatStream.analyze('key')
scaleNotes = k.chord._notes
# k.correlationCoefficient
listOfChords = []
for i in chords:
listOfChords.append(i)
for singleChord in listOfChords:
listOfRankings = []
listOfRankingsFloat = []
for chordFunction in toneChords:
matchingNotes = objects.rational()
for tempPitch in singleChord.pitchNames:
for scaleDegree in chordFunction:
if tempPitch == scaleNotes[scaleDegree].name:
if matchingNotes.denominator == -1:
matchingNotes.denominator = 1
matchingNotes.numerator += 1
else:
matchingNotes.denominator += 1
matchingNotes.numerator += 1
else:
matchingNotes.denominator += 1
listOfRankings.append(matchingNotes)
for e in listOfRankings:
listOfRankingsFloat.append(e.getFloat())
if listOfRankingsFloat.index(max(listOfRankingsFloat)) not in chordDegree:
chordDegree[listOfRankingsFloat.index(max(listOfRankingsFloat))] = []
chordDegree[listOfRankingsFloat.index(max(listOfRankingsFloat))].append(singleChord)
else:
chordDegree[listOfRankingsFloat.index(max(listOfRankingsFloat))].append(singleChord)
adjacencyMatrix = [[0 for x in range(len(toneChords))] for x in range(len(toneChords))]
for i in range(len(adjacencyMatrix)):
for j in range(len(adjacencyMatrix)):
adjacencyMatrix[i][j] = objects.rational()
return chords
def createRhythmGraph(flatStream):
measureNumbers = []
# old stuff
# dictOfTime = musicAttributes.getTimeSignatures(flatStream)
# dictOfRhythmicDissonances = measureRhythmicDissonance(flatStream, dictOfTime)
dictOfRhythmicDissonances = getRhythmicDissonances(flatStream)
for i in dictOfRhythmicDissonances:
measureNumbers.append(i)
measureNumbers.sort()
# # first pass create states
# for i in measureNumbers:
# if dictOfRhythmicDissonances[i] not in states:
# states.append(dictOfRhythmicDissonances[i])
states = getRhythmicStates(flatStream)
# second pass create edges
# adjacency matrix[exit node][enter node]
adjacencyMatrix = [[0 for x in range(len(states)+1)] for x in range(len(states)+1)]
for i in range(len(adjacencyMatrix)):
for j in range(len(adjacencyMatrix)):
adjacencyMatrix[i][j] = objects.rational()
# should make a square adjacency matrix
for i in measureNumbers:
if i > 1:
try:
previousState = dictOfRhythmicDissonances[i-1]
currentState = dictOfRhythmicDissonances[i]
if adjacencyMatrix[states.index(previousState)][states.index(currentState)].denominator == -1:
adjacencyMatrix[states.index(previousState)][states.index(currentState)].numerator += 1
for column in adjacencyMatrix[states.index(previousState)]:
column.denominator = 1
else:
adjacencyMatrix[states.index(previousState)][states.index(currentState)].numerator += 1
for column in adjacencyMatrix[states.index(previousState)]:
column.denominator += 1
except KeyError:
print 'damn a key error f**k it'
# for row in adjacencyMatrix:
# for column in row:
# print str(column.numerator) + '/' + str(column.denominator)
# print "-----------------------------------------"
return adjacencyMatrix
def createNoteGraph(flatStream):
listOfNotes = flatStream.getElementsByClass(note.Note)
listofMyNotes = []
noteStates = []
# for noteElement in listOfNotes:
# listofMyNotes.append(objects.myNote(noteElement, flatStream))
for noteElement in listOfNotes:
listofMyNotes.append(noteElement.nameWithOctave)
# create note states
# for myNote in listofMyNotes:
# if myNote not in noteStates:
# noteStates.append(myNote)
for noteElement in listOfNotes:
if noteElement.nameWithOctave not in noteStates:
noteStates.append(noteElement.nameWithOctave)
# secind pass create adjacency matrix
adjacencyMatrix = [[0 for x in range(len(noteStates))] for x in range(len(noteStates))]
# make those adjacency matrix cells rationals
for i in range(len(adjacencyMatrix)):
for j in range(len(adjacencyMatrix)):
adjacencyMatrix[i][j] = objects.rational()
# create reationals
for i in range(1, len(listofMyNotes)):
previousState = listofMyNotes[i-1]
currentState = listofMyNotes[i]
if adjacencyMatrix[noteStates.index(previousState)][noteStates.index(currentState)].denominator == -1:
adjacencyMatrix[noteStates.index(previousState)][noteStates.index(currentState)].numerator += 1
for column in adjacencyMatrix[noteStates.index(previousState)]:
column.denominator = 1
else:
adjacencyMatrix[noteStates.index(previousState)][noteStates.index(currentState)].numerator += 1
for column in adjacencyMatrix[noteStates.index(previousState)]:
column.denominator += 1
return adjacencyMatrix, noteStates
