def fbFeatureExtraction():
exampleFB = converter.parse('ismir2011_fb_example1b.xml')
fe1 = features.jSymbolic.PitchClassDistributionFeature(exampleFB)
print (fe1.extract().vector)
# [0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.6666666666666666, 0.0, 0.0, 1.0, 0.0, 0.0]
n1 = exampleFB.parts[0][1][5]
n1.expressions.append(expressions.Turn())
x = expressions.realizeOrnaments(n1)
n2 = exampleFB.parts[0][2][2]
n2.expressions.append(expressions.Mordent())
y = expressions.realizeOrnaments(n2)
exampleFB.parts[0][1].elements = [exampleFB.parts[0][1][4]]
exampleFB.parts[0][1].append(x)
exampleFB.parts[0][2].elements = [exampleFB.parts[0][2][0], exampleFB.parts[0][2][1]]
exampleFB.parts[0][2].append(y)
fb1 = figuredBass.realizer.figuredBassFromStream(exampleFB.parts[1])
#realization = fb1.realize()
sol1 = fb1.generateRandomRealization()
exampleFBOut = stream.Score()
exampleFBOut.insert(0, exampleFB.parts[0])
exampleFBOut.insert(0, sol1.parts[0])
exampleFBOut.insert(0, sol1.parts[1])
fe1.setData(exampleFBOut)
print (fe1.extract().vector)
def testOrnamentA(self):
from music21 import expressions
from music21 import chord
s = stream.Stream()
s.repeatAppend(note.Note(), 4)
s.repeatAppend(chord.Chord(['c4', 'g5']), 4)
#s.insert(4, expressions.Trill())
s.notes[3].expressions.append(expressions.Trill())
s.notes[2].expressions.append(expressions.Mordent())
s.notes[1].expressions.append(expressions.InvertedMordent())
s.notes[6].expressions.append(expressions.Trill())
s.notes[7].expressions.append(expressions.Mordent())
s.notes[5].expressions.append(expressions.InvertedMordent())
raw = fromMusic21Object(s)
#s.show()
self.assertEqual(raw.count('<trill-mark'), 2)
self.assertEqual(raw.count('<ornaments>'), 6)
self.assertEqual(raw.count('<inverted-mordent/>'), 2)
self.assertEqual(raw.count('<mordent/>'), 2)