def make_hepmc(self, parse):
#HepMC3 output
global hepmc
from pyHepMC3 import HepMC3 as hepmc
nam = parse.get("main", "nam").strip("\"'") + ".hepmc"
print("HepMC3 output name:", nam)
self.hepmc_out = hepmc.WriterAscii(nam, hepmc.GenRunInfo())
self.hepmc_ievt = 0
def test_IO1():
inputA = hm.ReaderAsciiHepMC2("inputIO1.hepmc")
if inputA.failed():
sys.exit(1)
outputA = hm.WriterAscii(python_label() + "frominputIO1.hepmc")
if outputA.failed():
sys.exit(2)
while not inputA.failed():
evt = hm.GenEvent()
inputA.read_event(evt)
if inputA.failed():
print("End of file reached. Exit.\n")
break
outputA.write_event(evt)
evt.clear()
inputA.close()
outputA.close()
inputB = hm.ReaderAscii(python_label() + "frominputIO1.hepmc")
if inputB.failed():
sys.exit(3)
outputB = hm.WriterAsciiHepMC2(python_label() + "fromfrominputIO1.hepmc")
if outputB.failed():
sys.exit(4)
while not inputB.failed():
evt = hm.GenEvent()
inputB.read_event(evt)
if inputB.failed():
print("End of file reached. Exit.\n")
break
outputB.write_event(evt)
evt.clear()
inputB.close()
outputB.close()
assert 0 == COMPARE_ASCII_FILES(python_label() + "fromfrominputIO1.hepmc",
"inputIO1.hepmc")
return 0
def test_Pythia8():
try:
pythia = p8.Pythia()
except ImportError:
return 0
pythia.readString("WeakSingleBoson:ffbar2gmZ = on")
pythia.readString("Beams:idA = 11")
pythia.readString("Beams:idB = -11")
pythia.readString("Beams:eCM = 91.2")
pythia.init()
p8tohm = Pythia8ToHepMC3()
p8tohm.m_store_pdf = True
out = hm.WriterAscii(python_label() + "test_Pythia.hepmc")
for iEvent in range(0, 100):
if not pythia.next():
continue
nCharged = 0
evt = hm.GenEvent()
p8tohm.fill_next_event1(pythia, evt, iEvent)
out.write_event(evt)
evt.clear()
pythia.stat()
out.close()
return 0
def test_Polarization():
xout1 = hm.WriterAscii(python_label() + "testPolarization1.dat")
xout2 = hm.WriterAscii(python_label() + "testPolarization2.dat")
xout4 = hm.WriterAsciiHepMC2(python_label() + "testPolarization4.dat")
xout5 = hm.WriterAscii(python_label() + "testPolarization5.dat")
# Build the graph, which will look like
# Please note this is not physically meaningful event.
# p7 #
# p1 / #
# \v1__p3 p5---v4 #
# \_v3_/ \ #
# / \ p8 #
# v2__p4 \ #
# / p6 #
# p3 #
#
# define a flow pattern as p1 . p3 . p6
# and p2 . p4 . p5
#
# First create the event container, with Signal Process 20, event number 1
#
evt = hm.GenEvent(hm.Units.GEV, hm.Units.MM)
evt.set_event_number(1)
evt.add_attribute("signal_process_id", hm.IntAttribute(20))
v1 = hm.GenVertex()
evt.add_vertex(v1)
p1 = hm.GenParticle(hm.FourVector(0, 0, 7000, 7000), 2212, 3)
evt.add_particle(p1)
p1.add_attribute("flow1", hm.IntAttribute(231))
p1.add_attribute("flow1", hm.IntAttribute(231))
p1.add_attribute("theta", hm.DoubleAttribute(random.random() * math.pi))
p1.add_attribute("phi", hm.DoubleAttribute(random.random() * math.pi * 2))
v1.add_particle_in(p1)
v2 = hm.GenVertex()
evt.add_vertex(v2)
p2 = hm.GenParticle(hm.FourVector(0, 0, -7000, 7000), 2212, 3)
evt.add_particle(p2)
p2.add_attribute("flow1", hm.IntAttribute(243))
p2.add_attribute("theta", hm.DoubleAttribute(random.random() * math.pi))
p2.add_attribute("phi", hm.DoubleAttribute(random.random() * math.pi * 2))
v2.add_particle_in(p2)
p3 = hm.GenParticle(hm.FourVector(0.751, -1.569, 32.191, 32.238), 1, 3)
evt.add_particle(p3)
p3.add_attribute("flow1", hm.IntAttribute(231))
p3.add_attribute("theta", hm.DoubleAttribute(random.random() * math.pi))
p3.add_attribute("phi", hm.DoubleAttribute(random.random() * math.pi * 2))
v1.add_particle_out(p3)
p4 = hm.GenParticle(hm.FourVector(-3.047, -19.0, -54.629, 57.920), -2, 3)
evt.add_particle(p4)
p4.add_attribute("flow1", hm.IntAttribute(243))
p4.add_attribute("theta", hm.DoubleAttribute(random.random() * math.pi))
p4.add_attribute("phi", hm.DoubleAttribute(random.random() * math.pi * 2))
v2.add_particle_out(p4)
v3 = hm.GenVertex()
evt.add_vertex(v3)
v3.add_particle_in(p3)
v3.add_particle_in(p4)
p6 = hm.GenParticle(hm.FourVector(-3.813, 0.113, -1.833, 4.233), 22, 1)
evt.add_particle(p6)
p6.add_attribute("flow1", hm.IntAttribute(231))
p6.add_attribute("theta", hm.DoubleAttribute(random.random() * math.pi))
p6.add_attribute("phi", hm.DoubleAttribute(random.random() * math.pi * 2))
v3.add_particle_out(p6)
p5 = hm.GenParticle(hm.FourVector(1.517, -20.68, -20.605, 85.925), -24, 3)
evt.add_particle(p5)
p5.add_attribute("flow1", hm.IntAttribute(243))
p5.add_attribute("theta", hm.DoubleAttribute(random.random() * math.pi))
p5.add_attribute("phi", hm.DoubleAttribute(random.random() * math.pi * 2))
v3.add_particle_out(p5)
# create v4
v4 = hm.GenVertex(hm.FourVector(0.12, -0.3, 0.05, 0.004))
evt.add_vertex(v4)
v4.add_particle_in(p5)
p7 = hm.GenParticle(hm.FourVector(-2.445, 28.816, 6.082, 29.552), 1, 1)
evt.add_particle(p7)
v4.add_particle_out(p7)
p8 = hm.GenParticle(hm.FourVector(3.962, -49.498, -26.687, 56.373), -2, 1)
evt.add_particle(p8)
v4.add_particle_out(p8)
evt.add_attribute("signal_process_vertex", hm.IntAttribute(v3.id()))
evt.set_beam_particles(p1,p2)
# The event is complete, we now print it out
hm.Print.content(evt)
hm.Print.listing(evt, 8)
print(hm.version())
print(hm.Print.line(v4, True))
a = 0
print(evt.particles())
print(len(evt.particles()))
print(evt.particles()[0])
for ip in evt.particles():
print(hm.Print.line(ip, True))
xout1.write_event(evt)
# write event in old format
xout4.write_event(evt)
# make a copy and write it
xout5.write_event(hm.GenEvent(evt))
# try changing polarization
p2.add_attribute("theta", hm.DoubleAttribute(random.random() * math.pi))
p2.add_attribute("phi", hm.DoubleAttribute(random.random() * math.pi))
xout2.write_event(evt)
xout1.close()
xout2.close()
xout4.close()
xout5.close()
# now clean-up by deleteing all objects from memory
#
# deleting the event deletes all contained vertices, and all particles
# contained in those vertices
evt.clear()
assert (
COMPARE_ASCII_FILES(python_label() + "testPolarization1.dat", python_label() + "testPolarization5.dat") == 0
) and (COMPARE_ASCII_FILES(python_label() + "testPolarization1.dat", python_label() + "testPolarization2.dat") != 0)
inputA1 = hm.ReaderAscii(python_label() + "testPolarization1.dat")
if inputA1.failed():
return 1
while not inputA1.failed():
evt = hm.GenEvent()
inputA1.read_event(evt)
if inputA1.failed():
print("End of file reached. Exit.\n")
break
evt.clear()
inputA1.close()
inputA2 = hm.ReaderAscii(python_label() + "testPolarization2.dat")
if inputA2.failed():
return 2
while not inputA2.failed():
evt = hm.GenEvent()
inputA2.read_event(evt)
if inputA2.failed():
print("End of file reached. Exit.\n")
break
evt.clear()
inputA2.close()
inputA4 = hm.ReaderAsciiHepMC2(python_label() + "testPolarization4.dat")
if inputA4.failed():
return 4
while not inputA4.failed():
evt = hm.GenEvent()
inputA4.read_event(evt)
if inputA4.failed():
print("End of file reached. Exit.\n")
break
evt.clear()
inputA4.close()
inputA5 = hm.ReaderAscii(python_label() + "testPolarization5.dat")
if inputA5.failed():
return 4
while not inputA5.failed():
evt = hm.GenEvent()
inputA5.read_event(evt)
if inputA5.failed():
print("End of file reached. Exit.\n")
break
evt.clear()
inputA5.close()
return 0
def test_Print():
evt = hm.GenEvent(hm.Units.MomentumUnit.GEV, hm.Units.LengthUnit.CM)
evt.set_event_number(1)
evt.add_attribute("signal_process_id", hm.IntAttribute(20))
# create vertex 1
v1 = hm.GenVertex()
evt.add_vertex(v1)
p1 = hm.GenParticle(hm.FourVector(1.0, 1.0, 7000, 7000), 2212, 3)
evt.add_particle(p1)
p1.add_attribute("flow1", hm.IntAttribute(231))
p1.add_attribute("flow1", hm.IntAttribute(231))
p1.add_attribute("theta", hm.DoubleAttribute(random.random() * math.pi))
p1.add_attribute("phi", hm.DoubleAttribute(random.random() * math.pi * 2))
v2 = hm.GenVertex()
evt.add_vertex(v2)
p2 = hm.GenParticle(hm.FourVector(1.0, 1.0, -7000, 7000), 2212, 3)
evt.add_particle(p2)
p2.add_attribute("flow1", hm.IntAttribute(243))
p2.add_attribute("theta", hm.DoubleAttribute(random.random() * math.pi))
p2.add_attribute("phi", hm.DoubleAttribute(random.random() * math.pi * 2))
v2.add_particle_in(p2)
#
# create the outgoing particles of v1 and v2
p3 = hm.GenParticle(hm.FourVector(0.750, -1.569, 32.191, 32.238), 1, 3)
evt.add_particle(p3)
p3.add_attribute("flow1", hm.IntAttribute(231))
p3.add_attribute("theta", hm.DoubleAttribute(random.random() * math.pi))
p3.add_attribute("phi", hm.DoubleAttribute(random.random() * math.pi * 2))
v1.add_particle_out(p3)
p4 = hm.GenParticle(hm.FourVector(-3.047, -19.0, -54.629, 57.920), -2, 3)
evt.add_particle(p4)
p4.add_attribute("flow1", hm.IntAttribute(243))
p4.add_attribute("theta", hm.DoubleAttribute(random.random() * math.pi))
p4.add_attribute("phi", hm.DoubleAttribute(random.random() * math.pi * 2))
v2.add_particle_out(p4)
#
# create v3
v3 = hm.GenVertex()
evt.add_vertex(v3)
v3.add_particle_in(p3)
v3.add_particle_in(p4)
p6 = hm.GenParticle(hm.FourVector(-3.813, 0.113, -1.833, 4.233), 22, 1)
evt.add_particle(p6)
p6.add_attribute("flow1", hm.IntAttribute(231))
p6.add_attribute("theta", hm.DoubleAttribute(random.random() * math.pi))
p6.add_attribute("phi", hm.DoubleAttribute(random.random() * math.pi * 2))
v3.add_particle_out(p6)
p5 = hm.GenParticle(hm.FourVector(1.517, -20.68, -20.605, 85.925), -24, 3)
evt.add_particle(p5)
p5.add_attribute("flow1", hm.IntAttribute(243))
p5.add_attribute("theta", hm.DoubleAttribute(random.random() * math.pi))
p5.add_attribute("phi", hm.DoubleAttribute(random.random() * math.pi * 2))
v3.add_particle_out(p5)
#
# create v4
v4 = hm.GenVertex(hm.FourVector(0.12, -0.3, 0.05, 0.004))
evt.add_vertex(v4)
v4.add_particle_in(p5)
p7 = hm.GenParticle(hm.FourVector(-2.445, 28.816, 6.082, 29.552), 1, 1)
evt.add_particle(p7)
v4.add_particle_out(p7)
p8 = hm.GenParticle(hm.FourVector(3.962, -49.498, -26.687, 56.373), -2, 1)
evt.add_particle(p8)
v4.add_particle_out(p8)
#
# tell the event which vertex is the signal process vertex
evt.add_attribute("signal_process_vertex", hm.IntAttribute(v3.id()))
print(dir(hm))
print(hm.Print.content(evt))
# we now print it out in old format
print(hm.Print.listing(evt, 8))
# print each particle so we can see the polarization
for ip in evt.particles():
print(hm.Print.line(ip, True))
xout1 = hm.WriterAscii(python_label() + "testBoost1.out")
xout1.set_precision(6)
xout1.write_event(evt)
xout1.close()
# different outputs
ff = io.StringIO()
hm.Print.listing(ff, evt)
print(ff.getvalue())
# different outputs
for ip in evt.particles():
print(hm.Print.line(ip, True))
for ip in evt.particles():
print(hm.Print.line(ip, True))
xout2 = hm.WriterAscii(python_label() + "testBoost2.out")
xout2.set_precision(6)
xout2.write_event(evt)
xout2.close()
assert COMPARE_ASCII_FILES(python_label() + "testBoost1.out",
python_label() + "testBoost2.out") == 0
evt.clear()
return 0