# ==========================================================================
# AIDA Detector description implementation
# --------------------------------------------------------------------------
# Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
# All rights reserved.
#
# For the licensing terms see $DD4hepINSTALL/LICENSE.
# For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
#
# ==========================================================================
from __future__ import absolute_import, unicode_literals
import logging
from dd4hep_base import * # noqa: F403
import ddsix as six
logger = logging.getLogger(__name__)
def loadDDG4():
import ROOT
from ROOT import gSystem
# Try to load libglapi to avoid issues with TLS Static
# Turn off all errors from ROOT about the library missing
if('libglapi' not in gSystem.GetLibraries()):
orgLevel = ROOT.gErrorIgnoreLevel
ROOT.gErrorIgnoreLevel = 6000
gSystem.Load("libglapi")
ROOT.gErrorIgnoreLevel = orgLevel
import platform
import os
if platform.system() == "Darwin":
gSystem.SetDynamicPath(os.environ['DD4HEP_LIBRARY_PATH'])
os.environ['DYLD_LIBRARY_PATH'] = os.pathsep.join([os.environ['DD4HEP_LIBRARY_PATH'],
os.environ.get('DYLD_LIBRARY_PATH', '')]).strip(os.pathsep)
result = gSystem.Load("libDDG4Plugins")
if result < 0:
raise Exception('DDG4.py: Failed to load the DDG4 library libDDG4Plugins: ' + gSystem.GetErrorStr())
from ROOT import dd4hep as module
return module
# We are nearly there ....
current = __import__(__name__)
def _import_class(ns, nam):
scope = getattr(current, ns)
setattr(current, nam, getattr(scope, nam))
try:
dd4hep = loadDDG4()
except Exception as X:
logger.error('+--%-100s--+', 100 * '-')
logger.error('| %-100s |', 'Failed to load DDG4 library:')
logger.error('| %-100s |', str(X))
logger.error('+--%-100s--+', 100 * '-')
exit(1)
from ROOT import CLHEP as CLHEP # noqa
Core = dd4hep
Sim = dd4hep.sim
Simulation = dd4hep.sim
Kernel = Sim.KernelHandle
Interface = Sim.Geant4ActionCreation
Detector = Core.Detector
def _constant(self, name):
return self.constantAsString(name)
Detector.globalVal = _constant
def importConstants(description, namespace=None, debug=False):
"""
Import the Detector constants into the DDG4 namespace
"""
ns = current
if namespace is not None and not hasattr(current, namespace):
import imp
m = imp.new_module('DDG4.' + namespace)
setattr(current, namespace, m)
ns = m
evaluator = dd4hep.g4Evaluator()
cnt = 0
num = 0
todo = {}
strings = {}
for c in description.constants():
if c.second.dataType == 'string':
strings[c.first] = c.second.GetTitle()
else:
todo[c.first] = c.second.GetTitle().replace('(int)', '')
while len(todo) and cnt < 100:
cnt = cnt + 1
if cnt == 100:
logger.error('%s %d out of %d %s "%s": [%s]\n+++ %s',
'+++ FAILED to import',
len(todo), len(todo) + num,
'global values into namespace',
ns.__name__, 'Try to continue anyway', 100 * '=')
for k, v in todo.items():
if not hasattr(ns, k):
logger.error('+++ FAILED to import: "' + k + '" = "' + str(v) + '"')
logger.info('+++ %s', 100 * '=')
for k, v in list(todo.items()):
if not hasattr(ns, k):
val = evaluator.evaluate(str(v))
if val.first == 0:
evaluator.setVariable(str(k), val.second)
setattr(ns, k, val.second)
if debug:
logger.info('Imported global value: "' + k + '" = "' + str(val.second) + '" into namespace' + ns.__name__)
del todo[k]
num = num + 1
if cnt < 100:
logger.info('+++ Imported %d global values to namespace:%s', num, ns.__name__,)
def _registerGlobalAction(self, action):
self.get().registerGlobalAction(Interface.toAction(action))
def _registerGlobalFilter(self, filter):
self.get().registerGlobalFilter(Interface.toAction(filter))
def _evalProperty(data):
"""
Function necessary to extract real strings from the property value.
Strings may be emraced by quotes: '<value>'
"""
try:
if isinstance(data, str):
return eval(data)
except TypeError:
pass
finally:
pass
return data
def _getKernelProperty(self, name):
ret = Interface.getPropertyKernel(self.get(), name)
if ret.status > 0:
return _evalProperty(ret.data)
elif hasattr(self.get(), name):
return _evalProperty(getattr(self.get(), name))
elif hasattr(self, name):
return _evalProperty(getattr(self, name))
msg = 'Geant4Kernel::GetProperty [Unhandled]: Cannot access Kernel.' + name
raise KeyError(msg)
def _setKernelProperty(self, name, value):
if Interface.setPropertyKernel(self.get(), str(name), str(value)):
return
msg = 'Geant4Kernel::SetProperty [Unhandled]: Cannot set Kernel.' + name + ' = ' + str(value)
raise KeyError(msg)
def _kernel_phase(self, name):
return self.addSimplePhase(str(name), False)
def _kernel_worker(self):
return Kernel(self.get().createWorker())
def _kernel_terminate(self):
return self.get().terminate()
Kernel.phase = _kernel_phase
Kernel.registerGlobalAction = _registerGlobalAction
Kernel.registerGlobalFilter = _registerGlobalFilter
Kernel.createWorker = _kernel_worker
Kernel.__getattr__ = _getKernelProperty
Kernel.__setattr__ = _setKernelProperty
Kernel.terminate = _kernel_terminate
ActionHandle = Sim.ActionHandle
def SensitiveAction(kernel, nam, det, shared=False):
return Interface.createSensitive(kernel, str(nam), str(det), shared)
def Action(kernel, nam, shared=False):
return Interface.createAction(kernel, str(nam), shared)
def Filter(kernel, nam, shared=False):
return Interface.createFilter(kernel, str(nam), shared)
def PhaseAction(kernel, nam, shared=False):
return Interface.createPhaseAction(kernel, str(nam), shared)
def RunAction(kernel, nam, shared=False):
return Interface.createRunAction(kernel, str(nam), shared)
def EventAction(kernel, nam, shared=False):
return Interface.createEventAction(kernel, str(nam), shared)
def GeneratorAction(kernel, nam, shared=False):
return Interface.createGeneratorAction(kernel, str(nam), shared)
def TrackingAction(kernel, nam, shared=False):
return Interface.createTrackingAction(kernel, str(nam), shared)
def SteppingAction(kernel, nam, shared=False):
return Interface.createSteppingAction(kernel, str(nam), shared)
def StackingAction(kernel, nam, shared=False):
return Interface.createStackingAction(kernel, str(nam), shared)
def DetectorConstruction(kernel, nam):
return Interface.createDetectorConstruction(kernel, str(nam))
def PhysicsList(kernel, nam):
return Interface.createPhysicsList(kernel, str(nam))
def UserInitialization(kernel, nam):
return Interface.createUserInitialization(kernel, str(nam))
def SensitiveSequence(kernel, nam):
return Interface.createSensDetSequence(kernel, str(nam))
def _setup(obj):
def _adopt(self, action):
self.__adopt(action.get())
_import_class('Sim', obj)
o = getattr(current, obj)
setattr(o, '__adopt', getattr(o, 'adopt'))
setattr(o, 'adopt', _adopt)
setattr(o, 'add', _adopt)
def _setup_callback(obj):
def _adopt(self, action):
self.__adopt(action.get(), action.callback())
_import_class('Sim', obj)
o = getattr(current, obj)
setattr(o, '__adopt', getattr(o, 'add'))
setattr(o, 'add', _adopt)
_setup_callback('Geant4ActionPhase')
_setup('Geant4RunActionSequence')
_setup('Geant4EventActionSequence')
_setup('Geant4GeneratorActionSequence')
_setup('Geant4TrackingActionSequence')
_setup('Geant4SteppingActionSequence')
_setup('Geant4StackingActionSequence')
_setup('Geant4PhysicsListActionSequence')
_setup('Geant4SensDetActionSequence')
_setup('Geant4DetectorConstructionSequence')
_setup('Geant4UserInitializationSequence')
_setup('Geant4Sensitive')
_setup('Geant4ParticleHandler')
_import_class('Sim', 'Geant4Vertex')
_import_class('Sim', 'Geant4Particle')
_import_class('Sim', 'Geant4VertexVector')
_import_class('Sim', 'Geant4ParticleVector')
_import_class('Sim', 'Geant4Action')
_import_class('Sim', 'Geant4Filter')
_import_class('Sim', 'Geant4RunAction')
_import_class('Sim', 'Geant4TrackingAction')
_import_class('Sim', 'Geant4StackingAction')
_import_class('Sim', 'Geant4PhaseAction')
_import_class('Sim', 'Geant4UserParticleHandler')
_import_class('Sim', 'Geant4UserInitialization')
_import_class('Sim', 'Geant4DetectorConstruction')
_import_class('Sim', 'Geant4GeneratorWrapper')
_import_class('Sim', 'Geant4Random')
_import_class('CLHEP', 'HepRandom')
_import_class('CLHEP', 'HepRandomEngine')
def _get(self, name):
a = Interface.toAction(self)
ret = Interface.getProperty(a, name)
if ret.status > 0:
return ret.data
elif hasattr(self.action, name):
return getattr(self.action, name)
elif hasattr(a, name):
return getattr(a, name)
msg = 'Geant4Action::GetProperty [Unhandled]: Cannot access property ' + a.name() + '.' + name
raise KeyError(msg)
def _set(self, name, value):
"""This function is called when properties are passed to the c++ objects."""
from dd4hep_base import unicode_2_string
a = Interface.toAction(self)
name = unicode_2_string(name)
value = unicode_2_string(value)
if Interface.setProperty(a, name, value):
return
msg = 'Geant4Action::SetProperty [Unhandled]: Cannot set ' + a.name() + '.' + name + ' = ' + value
raise KeyError(msg)
def _props(obj):
_import_class('Sim', obj)
cl = getattr(current, obj)
cl.__getattr__ = _get
cl.__setattr__ = _set
_props('FilterHandle')
_props('ActionHandle')
_props('PhaseActionHandle')
_props('RunActionHandle')
_props('EventActionHandle')
_props('GeneratorActionHandle')
_props('PhysicsListHandle')
_props('TrackingActionHandle')
_props('SteppingActionHandle')
_props('StackingActionHandle')
_props('DetectorConstructionHandle')
_props('SensitiveHandle')
_props('UserInitializationHandle')
_props('Geant4ParticleHandler')
_props('Geant4UserParticleHandler')
_props('GeneratorActionSequenceHandle')
_props('RunActionSequenceHandle')
_props('EventActionSequenceHandle')
_props('TrackingActionSequenceHandle')
_props('SteppingActionSequenceHandle')
_props('StackingActionSequenceHandle')
_props('DetectorConstructionSequenceHandle')
_props('PhysicsListActionSequenceHandle')
_props('SensDetActionSequenceHandle')
_props('UserInitializationSequenceHandle')
_props('Geant4PhysicsListActionSequence')
class CommandLine:
"""
Helper to ease parsing the command line.
Any argument given in the command line is accessible
from the object. If no value is supplied, the returned
value is True. If the argument is not present None is returned.
\author M.Frank
\version 1.0
"""
def __init__(self, help=None):
import sys
self.data = {}
help_call = help
have_help = False
for i in range(len(sys.argv)):
if sys.argv[i][0] == '-':
key = sys.argv[i][1:]
val = True
if i + 1 < len(sys.argv):
v = sys.argv[i + 1]
if v[0] != '-':
val = v
self.data[key] = val
if key.upper() == 'HELP' or key.upper() == '?':
have_help = True
if have_help and help_call:
help_call()
def __getattr__(self, attr):
if self.data.get(attr):
return self.data.get(attr)
return None
class Geant4:
"""
Helper object to perform stuff, which occurs very often.
I am sick of typing the same over and over again.
Hence, I grouped often used python fragments to this small
class to re-usage.
\author M.Frank
\version 1.0
"""
def __init__(self, kernel=None,
calo='Geant4CalorimeterAction',
tracker='Geant4SimpleTrackerAction'):
kernel.UI = "UI"
kernel.printProperties()
self._kernel = kernel
if kernel is None:
self._kernel = Kernel()
self.description = self._kernel.detectorDescription()
self.sensitive_types = {}
self.sensitive_types['tracker'] = tracker
self.sensitive_types['calorimeter'] = calo
self.sensitive_types['escape_counter'] = 'Geant4EscapeCounter'
def kernel(self):
"""
Access the worker kernel object.
\author M.Frank
"""
return self._kernel.worker()
def master(self):
"""
Access the master kernel object.
\author M.Frank
"""
return self._kernel
def setupUI(self, typ='csh', vis=False, ui=True, macro=None):
"""
Configure the Geant4 command executive
\author M.Frank
"""
ui_action = Action(self.master(), "Geant4UIManager/UI")
if vis:
ui_action.HaveVIS = True
else:
ui_action.HaveVIS = False
if ui:
ui_action.HaveUI = True
else:
ui_action.HaveUI = False
ui_action.SessionType = typ
if macro:
ui_action.SetupUI = macro
self.master().registerGlobalAction(ui_action)
return ui_action
def setupCshUI(self, typ='csh', vis=False, ui=True, macro=None):
"""
Configure the Geant4 command executive with a csh like command prompt
\author M.Frank
"""
return self.setupUI(typ='csh', vis=vis, ui=ui, macro=macro)
def ui(self):
"""
Access UI manager action from the kernel object
\author M.Frank
"""
ui_name = getattr(self.master(), 'UI')
return self.master().globalAction(ui_name)
def addUserInitialization(self, worker, worker_args=None, master=None, master_args=None):
"""
Configure Geant4 user initialization for optionasl multi-threading mode
\author M.Frank
"""
init_seq = self.master().userInitialization(True)
init_action = UserInitialization(self.master(), 'Geant4PythonInitialization/PyG4Init')
#
if worker:
init_action.setWorkerSetup(worker, worker_args)
else:
raise RuntimeError('Invalid argument for Geant4 worker initialization')
#
if master:
init_action.setMasterSetup(master, master_args)
#
init_seq.adopt(init_action)
return init_seq, init_action
def detectorConstruction(self):
seq = self.master().detectorConstruction(True)
return seq
def addDetectorConstruction(self, name_type,
field=None, field_args=None,
geometry=None, geometry_args=None,
sensitives=None, sensitives_args=None,
allow_threads=False):
"""
Configure Geant4 user initialization for optionasl multi-threading mode
\author M.Frank
"""
init_seq = self.master().detectorConstruction(True)
init_action = DetectorConstruction(self.master(), name_type)
#
if geometry:
init_action.setConstructGeo(geometry, geometry_args)
#
if field:
init_action.setConstructField(field, field_args)
#
if sensitives:
init_action.setConstructSensitives(sensitives, sensitives_args)
#
init_seq.adopt(init_action)
if allow_threads:
last_action = DetectorConstruction(self.master(), "Geant4PythonDetectorConstructionLast/LastDetectorAction")
init_seq.adopt(last_action)
return init_seq, init_action
def addPhaseAction(self, phase_name, factory_specification, ui=True, instance=None):
"""
Add a new phase action to an arbitrary step.
\author M.Frank
"""
if instance is None:
instance = self.kernel()
action = PhaseAction(instance, factory_specification)
instance.phase(phase_name).add(action)
if ui:
action.enableUI()
return action
def addConfig(self, factory_specification):
"""
Add a new phase action to the 'configure' step.
Called at the beginning of Geant4Exec::configure.
The factory specification is the typical string "<factory_name>/<instance name>".
If no instance name is specified it defaults to the factory name.
\author M.Frank
"""
return self.addPhaseAction('configure', factory_specification, instance=self.master())
def addInit(self, factory_specification):
"""
Add a new phase action to the 'initialize' step.
Called at the beginning of Geant4Exec::initialize.
The factory specification is the typical string "<factory_name>/<instance name>".
If no instance name is specified it defaults to the factory name.
\author M.Frank
"""
return self.addPhaseAction('initialize', factory_specification)
def addStart(self, factory_specification):
"""
Add a new phase action to the 'start' step.
Called at the beginning of Geant4Exec::run.
The factory specification is the typical string "<factory_name>/<instance name>".
If no instance name is specified it defaults to the factory name.
\author M.Frank
"""
return self.addPhaseAction('start', factory_specification)
def addStop(self, factory_specification):
"""
Add a new phase action to the 'stop' step.
Called at the end of Geant4Exec::run.
The factory specification is the typical string "<factory_name>/<instance name>".
If no instance name is specified it defaults to the factory name.
\author M.Frank
"""
return self.addPhaseAction('stop', factory_specification)
def execute(self, num_events=None):
"""
Execute the Geant 4 program with all steps.
\author M.Frank
"""
self.kernel().configure()
self.kernel().initialize()
if num_events:
self.kernel().NumEvents = num_events
self.kernel().run()
self.kernel().terminate()
return self
def printDetectors(self):
"""
Scan the list of detectors and print detector name and sensitive type
\author M.Frank
"""
logger.info('+++ List of sensitive detectors:')
for i in self.description.detectors():
o = DetElement(i.second.ptr()) # noqa: F405
sd = self.description.sensitiveDetector(str(o.name()))
if sd.isValid():
typ = sd.type()
sdtyp = 'Unknown'
if typ in self.sensitive_types:
sdtyp = self.sensitive_types[typ]
logger.info('+++ %-32s type:%-12s --> Sensitive type: %s', o.name(), typ, sdtyp)
def setupDetectors(self):
"""
Scan the list of detectors and assign the proper sensitive actions
\author M.Frank
"""
seq = None
actions = []
logger.info('+++ Setting up sensitive detectors:')
for i in self.description.detectors():
o = DetElement(i.second.ptr()) # noqa: F405
sd = self.description.sensitiveDetector(str(o.name()))
if sd.isValid():
typ = sd.type()
sdtyp = 'Unknown'
if typ in self.sensitive_types:
sdtyp = self.sensitive_types[typ]
seq, act = self.setupDetector(o.name(), sdtyp, collections=None)
logger.info('+++ %-32s type:%-12s --> Sensitive type: %s', o.name(), typ, sdtyp)
actions.append(act)
continue
logger.info('+++ %-32s --> UNKNOWN Sensitive type: %s', o.name(), typ)
return (seq, actions)
def setupDetector(self, name, action, collections=None):
"""
Setup single subdetector and assign the proper sensitive action
\author M.Frank
"""
# fg: allow the action to be a tuple with parameter dictionary
sensitive_type = ""
parameterDict = {}
if isinstance(action, tuple) or isinstance(action, list):
sensitive_type = action[0]
parameterDict = action[1]
else:
sensitive_type = action
seq = SensitiveSequence(self.kernel(), 'Geant4SensDetActionSequence/' + name)
seq.enableUI()
acts = []
if collections is None:
sd = self.description.sensitiveDetector(str(name))
ro = sd.readout()
collections = ro.collectionNames()
if len(collections) == 0:
act = SensitiveAction(self.kernel(), sensitive_type + '/' + name + 'Handler', name)
for parameter, value in six.iteritems(parameterDict):
setattr(act, parameter, value)
acts.append(act)
# Work down the collections if present
if collections is not None:
for coll in collections:
params = {}
if isinstance(coll, tuple) or isinstance(coll, list):
if len(coll) > 2:
coll_nam = str(coll[0])
sensitive_type = coll[1]
params = str(coll[2])
elif len(coll) > 1:
coll_nam = str(coll[0])
sensitive_type = coll[1]
else:
coll_nam = str(coll[0])
else:
coll_nam = str(coll)
act = SensitiveAction(self.kernel(), sensitive_type + '/' + coll_nam + 'Handler', name)
act.CollectionName = coll_nam
for parameter, value in six.iteritems(params):
setattr(act, parameter, value)
acts.append(act)
for act in acts:
act.enableUI()
seq.add(act)
if len(acts) > 1:
return (seq, acts)
return (seq, acts[0])
def setupCalorimeter(self, name, type=None, collections=None):
"""
Setup subdetector of type 'calorimeter' and assign the proper sensitive action
\author M.Frank
"""
self.description.sensitiveDetector(str(name))
# sd.setType('calorimeter')
if type is None:
type = self.sensitive_types['calorimeter']
return self.setupDetector(name, type, collections)
def setupTracker(self, name, type=None, collections=None):
"""
Setup subdetector of type 'tracker' and assign the proper sensitive action
\author M.Frank
"""
self.description.sensitiveDetector(str(name))
# sd.setType('tracker')
if type is None:
type = self.sensitive_types['tracker']
return self.setupDetector(name, type, collections)
def _private_setupField(self, field, stepper, equation, prt):
import g4units
field.stepper = stepper
field.equation = equation
field.eps_min = 5e-05 * g4units.mm
field.eps_max = 0.001 * g4units.mm
field.min_chord_step = 0.01 * g4units.mm
field.delta_chord = 0.25 * g4units.mm
field.delta_intersection = 0.001 * g4units.mm
field.delta_one_step = 0.01 * g4units.mm
field.largest_step = 1000 * g4units.m
if prt:
logger.info('+++++> %s %s %s %s ', field.name, '-> stepper = ', str(field.stepper), '')
logger.info('+++++> %s %s %s %s ', field.name, '-> equation = ', str(field.equation), '')
logger.info('+++++> %s %s %s %s ', field.name, '-> eps_min = ', str(field.eps_min), '[mm]')
logger.info('+++++> %s %s %s %s ', field.name, '-> eps_max = ', str(field.eps_max), '[mm]')
logger.info('+++++> %s %s %s %s ', field.name, '-> delta_chord = ', str(field.delta_chord), '[mm]')
logger.info('+++++> %s %s %s %s ', field.name, '-> min_chord_step = ', str(field.min_chord_step), '[mm]')
logger.info('+++++> %s %s %s %s ', field.name, '-> delta_one_step = ', str(field.delta_one_step), '[mm]')
logger.info('+++++> %s %s %s %s ', field.name, '-> delta_intersection = ', str(field.delta_intersection), '[mm]')
logger.info('+++++> %s %s %s %s ', field.name, '-> largest_step = ', str(field.largest_step), '[mm]')
return field
def setupTrackingFieldMT(self, name='MagFieldTrackingSetup',
stepper='ClassicalRK4', equation='Mag_UsualEqRhs', prt=False):
seq, fld = self.addDetectorConstruction("Geant4FieldTrackingConstruction/" + name)
self._private_setupField(fld, stepper, equation, prt)
return (seq, fld)
def setupTrackingField(self, name='MagFieldTrackingSetup',
stepper='ClassicalRK4', equation='Mag_UsualEqRhs', prt=False):
field = self.addConfig('Geant4FieldTrackingSetupAction/' + name)
self._private_setupField(field, stepper, equation, prt)
return field
def setupPhysics(self, name):
phys = self.master().physicsList()
phys.extends = name
phys.decays = True
phys.enableUI()
phys.dump()
return phys
def addPhysics(self, name):
phys = self.master().physicsList()
opt = PhysicsList(self.master(), name)
opt.enableUI()
phys.adopt(opt)
return opt
def setupGun(self, name, particle, energy, typ="Geant4ParticleGun", isotrop=True,
multiplicity=1, position=(0.0, 0.0, 0.0), register=True, **args):
gun = GeneratorAction(self.kernel(), typ + "/" + name, True)
for i in args.items():
setattr(gun, i[0], i[1])
gun.Energy = energy
gun.particle = particle
gun.multiplicity = multiplicity
gun.position = position
gun.isotrop = isotrop
gun.enableUI()
if register:
self.kernel().generatorAction().add(gun)
return gun
def setupROOTOutput(self, name, output, mc_truth=True):
"""
Configure ROOT output for the simulated events
\author M.Frank
"""
evt_root = EventAction(self.kernel(), 'Geant4Output2ROOT/' + name, True)
evt_root.HandleMCTruth = mc_truth
evt_root.Control = True
if not output.endswith('.root'):
output = output + '.root'
evt_root.Output = output
evt_root.enableUI()
self.kernel().eventAction().add(evt_root)
return evt_root
def setupLCIOOutput(self, name, output):
"""
Configure LCIO output for the simulated events
\author M.Frank
"""
evt_lcio = EventAction(self.kernel(), 'Geant4Output2LCIO/' + name, True)
evt_lcio.Control = True
evt_lcio.Output = output
evt_lcio.enableUI()
self.kernel().eventAction().add(evt_lcio)
return evt_lcio
def setupEDM4hepOutput(self, name, output):
"""Configure EDM4hep root output for the simulated events."""
evt_edm4hep = EventAction(self.kernel(), 'Geant4Output2EDM4hep/' + name, True)
evt_edm4hep.Control = True
evt_edm4hep.Output = output
evt_edm4hep.enableUI()
self.kernel().eventAction().add(evt_edm4hep)
return evt_edm4hep
def buildInputStage(self, generator_input_modules, output_level=None, have_mctruth=True):
"""
Generic build of the input stage with multiple input modules.
Actions executed are:
1) Register Generation initialization action
2) Append all modules to build the complete input record
These modules are readers/particle sources, boosters and/or smearing actions.
3) Merge all existing interaction records
4) Add the MC truth handler
\author M.Frank
"""
ga = self.kernel().generatorAction()
# Register Generation initialization action
gen = GeneratorAction(self.kernel(), "Geant4GeneratorActionInit/GenerationInit")
if output_level is not None:
gen.OutputLevel = output_level
ga.adopt(gen)
# Now append all modules to build the complete input record
# These modules are readers/particle sources, boosters and/or smearing actions
for gen in generator_input_modules:
gen.enableUI()
if output_level is not None:
gen.OutputLevel = output_level
ga.adopt(gen)
# Merge all existing interaction records
gen = GeneratorAction(self.kernel(), "Geant4InteractionMerger/InteractionMerger")
gen.enableUI()
if output_level is not None:
gen.OutputLevel = output_level
ga.adopt(gen)
# Finally generate Geant4 primaries
if have_mctruth:
gen = GeneratorAction(self.kernel(), "Geant4PrimaryHandler/PrimaryHandler")
gen.RejectPDGs = "{1,2,3,4,5,6,21,23,24}"
gen.enableUI()
if output_level is not None:
gen.OutputLevel = output_level
ga.adopt(gen)
# Puuuhh! All done.
return self
def run(self):
"""
Execute the main Geant4 action
\author M.Frank
"""
from ROOT import PyDDG4
PyDDG4.run(self.master().get())
return self
Simple = Geant4