matplotlib example export all (snippet)

Python matplotlib example 'export all'

Functions in program:

def convert_to_matplotlib(p):

Modules used in program:

import cPickle as pick
import numpy
import matplotlib.pyplot as plt
import matplotlib
import sys
import ROOT

python export all

Python matplotlib example: export all

import ROOT
import sys
import matplotlib
#matplotlib.use('QTAgg')
import matplotlib.pyplot as plt
import numpy
import cPickle as pick

ns = 24
#matplotlib.rcParams.update({'font.size': ns})
matplotlib.rc('xtick', labelsize=ns)
matplotlib.rc('ytick', labelsize=ns)
matplotlib.rcParams['ytick.major.pad']='8'
#matplotlib.rc('text', usetex=True)


def convert_to_matplotlib(p):
    curves = [] 
    hists = []
    for i in p.GetListOfPrimitives():
        if i.IsA().InheritsFrom(ROOT.RooCurve.Class()):
            curves.append(i.Clone())
        if i.IsA().InheritsFrom(ROOT.RooHist.Class()):
            hists.append(i.Clone())

    return curves, hists


afile = ROOT.TFile(sys.argv[1])
try:
    res = afile.Get("wspResult")
    ll = res.allGenericObjects() 
except AttributeError:
    ll = ROOT.list('TObject*')()
    for k in afile.GetListOfKeys():
        ll.push_back(afile.Get(k.GetName()))

print(ll)
output_dict = {}
while 1:
    if ll.size() == 0: break
    o = ll.front()
    print(o)
    if not o: break
    try: 
        p = o.GetListOfPrimitives().FindObject("pad1")
        output_dict[o.GetName()] = {}
        output_dict[o.GetName()]["fit"] = convert_to_matplotlib(p) 
        p = o.GetListOfPrimitives().FindObject("pad3")
        output_dict[o.GetName()]["residuals"] = convert_to_matplotlib(p) 
        convert_to_matplotlib(p)
    except: pass
    ll.pop_front()

pick.dump(output_dict, open("fit_results_old.pkl", "w"))

Python links

Learn Python: https://pythonbasics.org/
Python Tutorial: https://pythonprogramminglanguage.com