def getCountRateHist(self):
'''Plots a histogram of the count rate. The number of bins is
for the histogram, and the sample length is how long the count rate
is averaged over (equivalent to "sample length" for the count rate
vs. time graph.'''
#check if data has been imported. if not, give a warning
if self.dataSet:
#ask for number of bins for histogram
labelText = "Enter the number of bins"
numBins = tksd.askinteger("Count Rate Histogram", labelText, parent=self.root, minvalue=1)
if not numBins:
return
#ask for length of sample to calculate count rate
labelText = "Enter the sample length (seconds)"
sampleLength = tksd.askfloat("Sample Length", labelText, parent=self.root, minvalue=0)
if not sampleLength:
return
#plot histogram in matplotlib
pd.plotHistOfCountRates(self.dataSet, sampleLength, numBins)
else:
self.showImportAlert()
