def createClef(self, attributes):
r'''
Add a new clef to the current measure and return the currentClef.
Clef lines should look like: \|Clef\|Type:ClefType or
\|Clef\|Type:ClefType\|OctaveShift:Octave Down (or Up)
>>> nwt = noteworthy.translate.NoteworthyTranslator()
>>> nwt.currentMeasure = stream.Measure()
>>> nwt.createClef({"Type": "Treble"})
>>> nwt.currentMeasure.show('text')
{0.0} <music21.clef.TrebleClef>
>>> nwt.currentClef
'TREBLE'
>>> nwt.createClef({"Type" : "Bass", "OctaveShift" : "Octave Down"})
>>> nwt.currentMeasure.show('text')
{0.0} <music21.clef.TrebleClef>
{0.0} <music21.clef.Bass8vbClef>
If no clef can be found then it raises a NoteworthyTranslate exception
>>> nwt.createClef({"Type" : "OBonobo"})
Traceback (most recent call last):
NoteworthyTranslateException: Did not find a proper clef in type, OBonobo
'''
currentClef = None
if 'OctaveShift' in attributes:
if attributes['OctaveShift'] == 'Octave Down':
octaveShift = -1
elif attributes['OctaveShift'] == 'Octave Up':
octaveShift = 1
else:
raise NoteworthyTranslateException(
'Did not get a proper octave shift from %s' % attributes[3])
else:
octaveShift = 0
cl = attributes['Type']
if cl == "Treble":
if octaveShift == 0:
self.currentMeasure.append(clef.TrebleClef())
currentClef = "TREBLE"
elif octaveShift == -1:
self.currentMeasure.append(clef.Treble8vbClef())
currentClef = "TREBLE8dw"
elif octaveShift == 1:
self.currentMeasure.append(clef.Treble8vaClef())
currentClef = "TREBLE8up"
elif cl == "Bass":
if octaveShift == 0:
self.currentMeasure.append(clef.BassClef())
currentClef = "BASS"
elif octaveShift == -1:
self.currentMeasure.append(clef.Bass8vbClef())
currentClef = "BASS8dw"
elif octaveShift == 1:
self.currentMeasure.append(clef.Bass8vaClef())
currentClef = "BASS8up"
elif cl == "Alto":
if octaveShift != 0:
raise NoteworthyTranslateException('cannot shift octaves on an alto clef')
self.currentMeasure.append(clef.AltoClef())
currentClef = "ALTO"
elif cl == "Tenor":
if octaveShift != 0:
raise NoteworthyTranslateException('cannot shift octaves on a tenor clef')
self.currentMeasure.append(clef.TenorClef())
currentClef = "TENOR"
if currentClef is None:
raise NoteworthyTranslateException('Did not find a proper clef in type, %s' % cl)
self.currentClef = currentClef
def pendulumMusic(show = True,
loopLength = 160.0,
totalLoops = 1,
maxNotesPerLoop = 40,
totalParts = 16,
scaleStepSize = 3,
scaleType = scale.OctatonicScale,
startingPitch = 'C1'
):
totalLoops = totalLoops * 1.01
jMax = loopLength * totalLoops
p = pitch.Pitch(startingPitch)
if isinstance(scaleType, scale.Scale):
octo = scaleType
else:
octo = scaleType(p)
s = stream.Score()
s.metadata = metadata.Metadata()
s.metadata.title = 'Pendulum Waves'
s.metadata.composer = 'inspired by http://www.youtube.com/watch?v=yVkdfJ9PkRQ'
parts = [stream.Part(), stream.Part(), stream.Part(), stream.Part()]
parts[0].insert(0, clef.Treble8vaClef())
parts[1].insert(0, clef.TrebleClef())
parts[2].insert(0, clef.BassClef())
parts[3].insert(0, clef.Bass8vbClef())
for i in range(totalParts):
j = 1.0
while j < (jMax+1.0):
ps = p.ps
if ps > 84:
active = 0
elif ps >= 60:
active = 1
elif ps >= 36:
active = 2
elif ps < 36:
active = 3
jQuant = round(j*8)/8.0
establishedChords = parts[active].getElementsByOffset(jQuant)
if len(establishedChords) == 0:
c = chord.Chord([p])
c.duration.type = '32nd'
parts[active].insert(jQuant, c)
else:
c = establishedChords[0]
pitches = c.pitches
pitches.append(p)
c.pitches = pitches
j += loopLength/(maxNotesPerLoop - totalParts + i)
#j += (8+(8-i))/8.0
p = octo.next(p, stepSize = scaleStepSize)
parts[0].insert(0, tempo.MetronomeMark(number = 120, referent = duration.Duration(2.0)))
for i in range(4):
parts[i].insert(int((jMax + 4.0)/4)*4, note.Rest(quarterLength=4.0))
parts[i].makeRests(fillGaps=True, inPlace=True)
parts[i] = parts[i].makeNotation()
s.insert(0, parts[i])
if show == True:
#s.show('text')
s.show('midi')
s.show()
def test_clef_to_lily_2(self):
bee_ell = clef.Treble8vaClef()
expected = u"\\clef \"treble^8\"\n"
self.assertEqual(functions.clef_to_lily(bee_ell), expected)
def createClef(self, attributes):
r'''
Add a new clef to the current measure and return the currentClef.
Clef lines should look like: \|Clef\|Type:ClefType or
\|Clef\|Type:ClefType\|OctaveShift:Octave Down (or Up)
>>> nwt = noteworthy.translate.NoteworthyTranslator()
>>> nwt.currentMeasure = stream.Measure()
>>> nwt.createClef({'Type': 'Treble'})
>>> nwt.currentMeasure.show('text')
{0.0} <music21.clef.TrebleClef>
>>> nwt.currentClef
'TREBLE'
>>> nwt.createClef({'Type' : 'Bass', 'OctaveShift' : 'Octave Down'})
>>> nwt.currentMeasure.show('text')
{0.0} <music21.clef.TrebleClef>
{0.0} <music21.clef.Bass8vbClef>
If no clef can be found then it raises a NoteworthyTranslate exception
>>> nwt.createClef({'Type' : 'OrangeClef'})
Traceback (most recent call last):
music21.noteworthy.translate.NoteworthyTranslateException: Did
not find a proper clef in type, OrangeClef
'''
currentClef = None
if 'OctaveShift' in attributes:
if attributes['OctaveShift'] == 'Octave Down':
octaveShift = -1
elif attributes['OctaveShift'] == 'Octave Up':
octaveShift = 1
else:
raise NoteworthyTranslateException(
f'Did not get a proper octave shift from {attributes[3]}')
else:
octaveShift = 0
cl = attributes['Type']
if cl == 'Treble':
if octaveShift == 0:
self.currentMeasure.append(clef.TrebleClef())
currentClef = 'TREBLE'
elif octaveShift == -1:
self.currentMeasure.append(clef.Treble8vbClef())
currentClef = 'TREBLE8dw'
elif octaveShift == 1:
self.currentMeasure.append(clef.Treble8vaClef())
currentClef = 'TREBLE8up'
elif cl == 'Bass':
if octaveShift == 0:
self.currentMeasure.append(clef.BassClef())
currentClef = 'BASS'
elif octaveShift == -1:
self.currentMeasure.append(clef.Bass8vbClef())
currentClef = 'BASS8dw'
elif octaveShift == 1:
self.currentMeasure.append(clef.Bass8vaClef())
currentClef = 'BASS8up'
elif cl == 'Alto':
if octaveShift != 0:
raise NoteworthyTranslateException(
'cannot shift octaves on an alto clef')
self.currentMeasure.append(clef.AltoClef())
currentClef = 'ALTO'
elif cl == 'Tenor':
if octaveShift != 0:
raise NoteworthyTranslateException(
'cannot shift octaves on a tenor clef')
self.currentMeasure.append(clef.TenorClef())
currentClef = 'TENOR'
if currentClef is None:
raise NoteworthyTranslateException(
f'Did not find a proper clef in type, {cl}')
self.currentClef = currentClef
