def getQuarterLength(self):
'''determine the length in quarter notes from current information'''
if (self.__qtrLength):
return self.__qtrLength
if (self.typeToDuration.has_key(self.type)):
durationFromType = self.typeToDuration[self.type]
else:
raise KeyError, "No key in typeToDuration for " + self.type
if (durationFromType == 0):
raise ("Error: no correct Duration for " + self.type)
qtrLength = 0.0
qtrLength = durationFromType * common.dotMultiplier(self.dots)
###
if (len(self.dotGroups) > 0):
for thisDot in self.dotGroups:
qtrLength *= common.dotMultiplier(thisDot)
if (len(self.tuplets) > 0):
for thisTuplet in self.tuplets:
qtrLength *= thisTuplet.tupletMultiplier()
return qtrLength
def getQuarterLength(self):
'''determine the length in quarter notes from current information'''
if (self.__qtrLength):
return self.__qtrLength
if (self.typeToDuration.has_key(self.type)):
durationFromType = self.typeToDuration[self.type]
else:
raise KeyError, "No key in typeToDuration for " + self.type
if (durationFromType == 0):
raise ("Error: no correct Duration for " + self.type)
qtrLength = 0.0
qtrLength = durationFromType * common.dotMultiplier(self.dots)
###
if (len(self.dotGroups) > 0):
for thisDot in self.dotGroups:
qtrLength *= common.dotMultiplier(thisDot)
if (len(self.tuplets) > 0):
for thisTuplet in self.tuplets:
qtrLength *= thisTuplet.tupletMultiplier()
return qtrLength
def setDurationFromQtrLength(self, qL):
### rewrite using common.decimalToTuplet
noDotQL = qL * (2.0/3)
# JR -- assumes dots are of 14th-cent. nested form:
# MSC -- Do not assume that. Or if they are, set:
# note.duration.dots = 1
# note.duration.dotGroups = [1]
# test double dots with qL *
noDotQL2 = noDotQL * (2.0/3)
## look for functions already defined and reuse them
noDblDotQL = qL / common.dotMultiplier(2.0)
noTrpDotQL = qL / common.dotMultiplier(3.0)
# etc...
## clear old data
self.type = ""
self.dots = 0
self.dotGroups = []
self.tuplets = []
if (common.isPowerOfTwo(qL)):
tempType = self.getTypeFromQtrLength(qL)
if (tempType): self.type = tempType
else: raise DurationException("couldnt get type from Power of Two: %f" % qL)
elif (common.isPowerOfTwo(noDotQL)):
self.dots = 1
tempType = self.getTypeFromQtrLength(noDotQL)
if (tempType): self.type = tempType
else: raise DurationException
elif (common.isPowerOfTwo(noDblDotQL)):
self.dots = 2
tempType = self.getTypeFromQtrLength(noDblDotQL)
if (tempType): self.type = tempType
else: raise DurationException
elif (common.isPowerOfTwo(noTrpDotQL)):
self.dots = 3
tempType = self.getTypeFromQtrLength(noTrpDotQL)
if (tempType): self.type = tempType
else: raise DurationException
## add code for 4 dots...
elif (common.isPowerOfTwo(noDotQL2)): # medieval dotted dotted notes
self.dots = 1
self.dotGroups = [1]
tempType = self.getTypeFromQtrLength(noDotQL2)
if (tempType): self.type = tempType
else: raise DurationException
#(check for simple tuplets, but don't spend too much time on it
#python2.6 will have a Fraction class which will make finding the
#closest tuplet representation much easier)
else: raise DurationException("couldnt get type from Length: %f" % qL)
def setDurationFromQtrLength(self, qL):
### rewrite using common.decimalToTuplet
noDotQL = qL * (2.0 / 3)
# JR -- assumes dots are of 14th-cent. nested form:
# MSC -- Do not assume that. Or if they are, set:
# note.duration.dots = 1
# note.duration.dotGroups = [1]
# test double dots with qL *
noDotQL2 = noDotQL * (2.0 / 3)
## look for functions already defined and reuse them
noDblDotQL = qL / common.dotMultiplier(2.0)
noTrpDotQL = qL / common.dotMultiplier(3.0)
# etc...
## clear old data
self.type = ""
self.dots = 0
self.dotGroups = []
self.tuplets = []
if (common.isPowerOfTwo(qL)):
tempType = self.getTypeFromQtrLength(qL)
if (tempType): self.type = tempType
else:
raise DurationException(
"couldnt get type from Power of Two: %f" % qL)
elif (common.isPowerOfTwo(noDotQL)):
self.dots = 1
tempType = self.getTypeFromQtrLength(noDotQL)
if (tempType): self.type = tempType
else: raise DurationException
elif (common.isPowerOfTwo(noDblDotQL)):
self.dots = 2
tempType = self.getTypeFromQtrLength(noDblDotQL)
if (tempType): self.type = tempType
else: raise DurationException
elif (common.isPowerOfTwo(noTrpDotQL)):
self.dots = 3
tempType = self.getTypeFromQtrLength(noTrpDotQL)
if (tempType): self.type = tempType
else: raise DurationException
## add code for 4 dots...
elif (common.isPowerOfTwo(noDotQL2)): # medieval dotted dotted notes
self.dots = 1
self.dotGroups = [1]
tempType = self.getTypeFromQtrLength(noDotQL2)
if (tempType): self.type = tempType
else: raise DurationException
#(check for simple tuplets, but don't spend too much time on it
#python2.6 will have a Fraction class which will make finding the
#closest tuplet representation much easier)
else:
raise DurationException("couldnt get type from Length: %f" % qL)
