def makePitchLabelsUnicode(ticks):
'''
Given a list of ticks, replace all labels with alternative/unicode symbols where necessary.
>>> ticks = [(60, 'C4'), (61, 'C#4'), (62, 'D4'), (63, 'E-4')]
>>> t2 = graph.axis.PitchAxis.makePitchLabelsUnicode(ticks)
>>> len(t2)
4
>>> [num for num, label in t2]
[60, 61, 62, 63]
>>> t2[0]
(60, 'C4')
>>> for num, label in t2:
... label
'C4'
'C♯4'
'D4'
'E♭4'
'''
# environLocal.printDebug(['calling filterPitchLabel', ticks])
# this uses tex mathtext, which happens to define sharp and flat
# http://matplotlib.org/users/mathtext.html
post = []
for value, label in ticks:
label = accidentalLabelToUnicode(label)
post.append((value, label))
return post
def makePitchLabelsUnicode(ticks):
'''
Given a list of ticks, replace all labels with alternative/unicode symbols where necessary.
>>> ticks = [(60, 'C4'), (61, 'C#4'), (62, 'D4'), (63, 'E-4')]
>>> t2 = graph.axis.PitchAxis.makePitchLabelsUnicode(ticks)
>>> len(t2)
4
>>> [num for num, label in t2]
[60, 61, 62, 63]
>>> t2[0]
(60, 'C4')
>>> for num, label in t2:
... print(label) # printing for PY2
C4
C♯4
D4
E♭4
'''
# environLocal.printDebug(['calling filterPitchLabel', ticks])
# this uses tex mathtext, which happens to define sharp and flat
#http://matplotlib.org/users/mathtext.html
post = []
for value, label in ticks:
label = accidentalLabelToUnicode(label)
post.append((value, label))
return post
def _pitchTickHelper(self, attributeCounter, attributeCompare):
'''
Helper method that can apply all the showEnharmonic, etc. values consistently
see the `ticks` methods below.
Returns a list of two-element tuples
'''
s = self.stream
if s is None:
# better hope that hideUnused is False, or just will get an empty list
nameCount = {}
else:
nameCount = pitchAnalysis.pitchAttributeCount(s, attributeCounter)
ticks = []
helperDict = {}
for i in range(int(self.minValue), int(self.maxValue) + 1):
p = pitch.Pitch()
setattr(p, attributeCompare, i)
weights = [] # a list of pairs of count/label
for key in nameCount:
if key not in helperDict:
# store a dict of say, C4: 60, etc. so we don't need to make so many
# pitch.Pitch objects
helperDict[key] = getattr(pitch.Pitch(key),
attributeCompare)
if helperDict[key] == i:
weights.append((nameCount[key], key))
weights.sort()
label = None
if not weights: # get a default
if self.hideUnused:
continue # don't append any ticks...
if not self.blankLabelUnused:
label = getattr(p, attributeCounter)
else: # use an empty label to maintain spacing
label = ''
elif not self.showEnharmonic:
# get just the first weighted
label = weights[0][1] # second value is label
else:
sub = []
for unused_weight, name in weights:
sub.append(accidentalLabelToUnicode(name))
label = '/'.join(sub)
ticks.append((i, label))
ticks = self.makePitchLabelsUnicode(ticks)
return ticks
def _pitchTickHelper(self, attributeCounter, attributeCompare):
'''
Helper method that can apply all the showEnharmonic, etc. values consistently
see the `ticks` methods below.
Returns a list of two-element tuples
'''
s = self.stream
if s is None:
# better hope that hideUnused is False, or just will get an empty list
nameCount = {}
else:
nameCount = pitchAnalysis.pitchAttributeCount(s, attributeCounter)
ticks = []
helperDict = {}
octavesSeen = set()
def weightedSortHelper(x):
'''
ensure that higher weighed weights come first, but
then alphabetical by name, except that G comes before
A... since we are only comparing enharmonics...
'''
weight, name = x
if name.startswith('A'):
name = 'H' + name[1:]
return (-1 * weight, name)
def unweightedSortHelper(x):
weight, name = x
if name.startswith('A'):
name = 'H' + name[1:]
return (weight, name)
for i in range(int(self.minValue), int(self.maxValue) + 1):
p = pitch.Pitch()
setattr(p, attributeCompare, i)
weights = [] # a list of pairs of count/label
for key in nameCount:
if key not in helperDict:
# store a dict of say, C4: 60, etc. so we don't need to make so many
# pitch.Pitch objects
helperDict[key] = getattr(pitch.Pitch(key),
attributeCompare)
if helperDict[key] == i:
weights.append((nameCount[key], key))
if self.showEnharmonic:
weights.sort(key=unweightedSortHelper)
else:
weights.sort(key=weightedSortHelper)
label = None
if not weights: # get a default
if self.hideUnused:
continue # don't append any ticks...
if not self.blankLabelUnused:
label = getattr(p, attributeCounter)
else: # use an empty label to maintain spacing
label = ''
elif not self.showEnharmonic:
# get just the first weighted
label = weights[0][1] # second value is label
else:
sub = []
for unused_weight, name in weights:
sub.append(accidentalLabelToUnicode(name))
label = '/'.join(sub)
if self.showOctaves is False:
label = re.sub(r'\d', '', label)
elif self.showOctaves == 'few':
matchOctave = re.search(r'\d', label)
if matchOctave:
octaveMatch = matchOctave.group(0)
if octaveMatch in octavesSeen:
label = re.sub(r'\d', '', label)
else:
octavesSeen.add(octaveMatch)
ticks.append((i, label))
ticks = self.makePitchLabelsUnicode(ticks)
return ticks
def _pitchTickHelper(self, attributeCounter, attributeCompare):
'''
Helper method that can apply all the showEnharmonic, etc. values consistently
see the `ticks` methods below.
Returns a list of two-element tuples
'''
s = self.stream
if s is None:
# better hope that hideUnused is False, or just will get an empty list
nameCount = {}
else:
nameCount = pitchAnalysis.pitchAttributeCount(s, attributeCounter)
ticks = []
helperDict = {}
octavesSeen = set()
def weightedSortHelper(x):
'''
ensure that higher weighed weights come first, but
then alphabetical by name, except that G comes before
A... since we are only comparing enharmonics...
'''
weight, name = x
if name.startswith('A'):
name = 'H' + name[1:]
return (-1 * weight, name)
def unweightedSortHelper(x):
weight, name = x
if name.startswith('A'):
name = 'H' + name[1:]
return (weight, name)
for i in range(int(self.minValue), int(self.maxValue) + 1):
p = pitch.Pitch()
setattr(p, attributeCompare, i)
weights = [] # a list of pairs of count/label
for key in nameCount:
if key not in helperDict:
# store a dict of say, C4: 60, etc. so we don't need to make so many
# pitch.Pitch objects
helperDict[key] = getattr(pitch.Pitch(key), attributeCompare)
if helperDict[key] == i:
weights.append((nameCount[key], key))
if self.showEnharmonic:
weights.sort(key=unweightedSortHelper)
else:
weights.sort(key=weightedSortHelper)
label = None
if not weights: # get a default
if self.hideUnused:
continue # don't append any ticks...
if not self.blankLabelUnused:
label = getattr(p, attributeCounter)
else: # use an empty label to maintain spacing
label = ''
elif not self.showEnharmonic:
# get just the first weighted
label = weights[0][1] # second value is label
else:
sub = []
for unused_weight, name in weights:
sub.append(accidentalLabelToUnicode(name))
label = '/'.join(sub)
if self.showOctaves is False:
label = re.sub(r'\d', '', label)
elif self.showOctaves == 'few':
matchOctave = re.search(r'\d', label)
if matchOctave:
octaveMatch = matchOctave.group(0)
if octaveMatch in octavesSeen:
label = re.sub(r'\d', '', label)
else:
octavesSeen.add(octaveMatch)
ticks.append((i, label))
ticks = self.makePitchLabelsUnicode(ticks)
return ticks
