def main(
pdfset,
flavours,
output_filename,
n_points,
q,
q2, # q2 instead of q
members,
folder):
"""evaluate a PDF set and write the resuling TGraph to disk"""
if folder is not None and not os.path.exists(folder):
os.makedirs(folder)
out = ROOT.TFile((folder+"/" if folder is not None else "") + output_filename, "RECREATE")
x_values = np.logspace(-4, -0.01, n_points) # TODO get min, max x from PDF set
## Version info, search paths, and metadata
print "LHAPDF version", lhapdf.version()
lhapdf.pathsPrepend(os.getcwd())
lhapdf.setVerbosity(0)
print "LHAPDF paths",lhapdf.paths()
pset = lhapdf.getPDFSet(pdfset)
print pset.description
n_members = pset.size
if members is not None:
n_members=members
# iterate over flavours, get pdfgraph, write
for flavour in flavours:
tgraph = get_pdf_tgraph(pset, flavour, x_values, n_points, n_members, q, q2)
tgraph.Write(partondict[flavour].replace(' ', '_'))
print "Written to", output_filename
out.Close()
def prepare(opts):
lhapdf.setVerbosity(opts.verbosity)
makeDirs(os.path.split(opts.fout)[0])
jsonsamp = json.loads(filecontent(opts.jsonsamp))
jsonvars = json.loads(filecontent(opts.jsonvars))
jsoninfo = json.loads(filecontent(opts.jsoninfo))
jsonpdfs = json.loads(filecontent(opts.jsonpdfs))
jsons = {'samp':jsonsamp,'vars':jsonvars,'info':jsoninfo,'pdfs':jsonpdfs}
# fix binning
if opts.binning:
for v in opts.binning:
#print v
jsons['vars']['variables'][v[0]]['nbins_x'] = v[1]
jsons['vars']['variables'][v[0]]['xmin'] = v[2]
jsons['vars']['variables'][v[0]]['xmax'] = v[3]
return jsons
def setup_pdf_objs(all_pdfs, cache={}):
import lhapdf
lhapdf.setVerbosity(1)
os.environ['LHAPDF_DATA_PATH'] = '/cvmfs/sft.cern.ch/lcg/releases/MCGenerators/lhapdf/6.2.1-7149a/x86_64-centos7-gcc8-opt/share/LHAPDF/'
paths = [
'/cvmfs/sft.cern.ch/lcg/external/lhapdfsets/current/',
]
lhapdf.setPaths(paths)
pdf_objs = {}
for p in all_pdfs:
if p in cache:
pdf_objs[p] = cache[p]
else:
pdf_objs[p] = lhapdf.mkPDF(p)
cache[p] = pdf_objs[p]
return pdf_objs
def prepare(opts):
lhapdf.setVerbosity(opts.verbosity)
makeDirs(os.path.split(opts.fout)[0])
jsonsamp = json.loads(filecontent(opts.jsonsamp))
jsonvars = json.loads(filecontent(opts.jsonvars))
jsoninfo = json.loads(filecontent(opts.jsoninfo))
jsonpdfs = json.loads(filecontent(opts.jsonpdfs))
jsons = {
'samp': jsonsamp,
'vars': jsonvars,
'info': jsoninfo,
'pdfs': jsonpdfs
}
# fix binning
if opts.binning:
for v in opts.binning:
#print v
jsons['vars']['variables'][v[0]]['nbins_x'] = v[1]
jsons['vars']['variables'][v[0]]['xmin'] = v[2]
jsons['vars']['variables'][v[0]]['xmax'] = v[3]
return jsons
#!/usr/bin/python
import numpy as np
from sys import path
path.append("./")
import DSSV
DSSV.dssvini()
import lhapdf
lhapdf.setVerbosity(0)
pdf = lhapdf.mkPDF("DSSV2014",0);
def DSSVxfxQ2(pid,x,Q2):
DUV,DDV,DUBAR,DDBAR,DSTR,DGLU = DSSV.dssvgupdate(x,Q2)
if -2 == pid: return DDBAR
if -1 == pid: return DUBAR
if 1 == pid: return DUBAR+DUV
if 2 == pid: return DDBAR+DDV
if 3 == pid or -3 == pid: return DSTR
if 21 == pid: return DGLU
raise "unknown PID"
pids = [-3, -2, -1, 1, 2, 3, 21]
xs = """1.000000e-05 4.000000e-05 6.700000e-05 1.000000e-04 1.400000e-04 2.000000e-04 3.000000e-04 4.500000e-04 6.700000e-04 1.000000e-03 1.400000e-03 2.000000e-03 3.000000e-03 4.500000e-03 6.700000e-03 1.000000e-02 1.400000e-02 2.000000e-02 3.000000e-02 4.500000e-02 6.000000e-02 8.000000e-02 1.000000e-01 1.250000e-01 1.500000e-01 1.750000e-01 2.000000e-01 2.250000e-01 2.500000e-01 2.750000e-01 3.000000e-01 3.250000e-01 3.500000e-01 3.750000e-01 4.000000e-01 4.500000e-01 5.000000e-01 5.500000e-01 6.000000e-01 6.500000e-01 7.000000e-01 7.500000e-01 8.000000e-01 8.500000e-01 9.000000e-01 9.500000e-01 1.000000e+00"""
Qs = """8.944272e-01 1.000000e+00 1.118034e+00 1.224745e+00 1.414214e+00 1.581139e+00 2.000000e+00 2.529822e+00 3.162278e+00 3.872983e+00 5.000000e+00 6.324555e+00 8.000000e+00 1.000000e+01 1.341641e+01 1.788854e+01 2.408319e+01 3.162278e+01 4.242641e+01 5.656854e+01 7.615773e+01 1.000000e+02 1.341641e+02 1.788854e+02 2.408319e+02 3.162278e+02 4.242641e+02 5.656854e+02 7.615773e+02 1.000000e+03"""
def printGrid():
for xx in xs.split(" "):
x = float(xx)
for QQ in Qs.split(" "):
#!/usr/bin/env python3
import json
import lhapdf
import argparse
from rich.console import Console
from pycompressor.pdfgrid import XGrid
from pycompressor.pdfgrid import PdfSet
from pycompressor.errfunction import ErfComputation
console = Console()
lhapdf.setVerbosity(0)
NF = 4
Q0 = 1.65
EST_DIC = {
"corr_estimators": ["correlation"],
"stat_estimators": ["kolmogorov_smirnov"],
"moment_estimators": ["mean", "stdev", "skewness", "kurtosis"],
}
def arg_parser():
"""Perse input argument"""
parser = argparse.ArgumentParser(
description="Compute the ERFs between two PDFs.")
parser.add_argument(
"-p",
"--prior",
type=str,
