# Register the NTuple so the Inspector can see it.
NTupleController.instance().registerNTuple ( ntuple )
# Create dynamic histogram and attach it to NTuple.
# It will automatically adjust its range, title, and labels
dyhist = Display ( "Histogram", ntuple, ('X value', ) )
canvas.addDisplay ( dyhist )
mean = 45
sigma = 10
gauss = random.gauss
# Generate some data, fill the static histograms and NTuple.
for i in range(10000):
x = gauss( mean, sigma )
sthist.addValues ( (x, ) )
ntuple.addRow ( (x, ) )
if i < 1000 :
sthists.addValues ( (x, ) ) # only fill with first 1000
# Print some statistics from static histogram
# Could do same for dynamic
datarep = sthist.getDataRep()
print "Histogram :"
print " Title : " + sthist.getTitle()
print " Entries : %i" % sthist.numberOfEntries()
print " Mean = %f" % datarep.getMean ( 'x' )
print " Rms = %f" % datarep.getRMS ( 'x' )
