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Herwig7Config.py
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1 # Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
2 
3 
5 
6 from . import Herwig7Utils as hw7Utils
7 
8 # Helper for resetting process number
9 from MCJobOptionUtils.JOsupport import check_reset_proc_number
10 
11 # import Athena modules
12 from AthenaCommon import Logging
13 athMsgLog = Logging.logging.getLogger('Herwig7Config')
14 
15 
17 
18 
19  def __init__(self, genSeq, runArgs, run_name="Herwig"):
20 
21  # Force Herwig7 to run in single-core mode
23 
24  self.genSeq = genSeq
25  self.runArgs = runArgs
26 
27  self.run_name = run_name
28  # self.seed = runArgs.randomSeed
29  # self.energy = runArgs.ecmEnergy
30 
31  self.me_pdf_name = "MMHT2014lo68cl"
32  self.mpi_pdf_name = "MMHT2014lo68cl"
33 
34  self.set_printout_commands = False
37  self.use_PDGparams = False
38 
39  self.default_commands = hw7Utils.ConfigurationCommands()
40  self.commands = hw7Utils.ConfigurationCommands()
41 
42 
45  return """
46 ## =========================================
47 ## Global Pre-Commands from Herwig7Config.py
48 ## =========================================
49 
50 ## ensure JetFinder uses AntiKt with R=0.4
51 set /Herwig/Cuts/JetFinder:Variant AntiKt
52 set /Herwig/Cuts/JetFinder:ConeRadius 0.4
53 """
54 
55 
56 
57  def add_commands(self, commands):
58 
59  self.commands += commands
60 
61 
62 
64 
65  return("""
66 ## Random number generator seed
67 set /Herwig/Random:Seed {}
68 """.format(self.runArgs.randomSeed))
69 
70 
71  def beam_commands(self):
72 
73  if self.beams == "EE":
74  return("""
75 ## Commands for lepton-lepton collisions
76 read snippets/EECollider.in
77 set /Herwig/Shower/PartnerFinder:QEDPartner IIandFF
78 set /Herwig/Shower/ShowerHandler:MPIHandler NULL
79 set /Herwig/DipoleShower/DipoleShowerHandler:MPIHandler NULL
80 set /Herwig/Shower/PowhegShowerHandler:MPIHandler NULL
81 """)
82  elif self.beams == "EP":
83  return("""
84 ## Commands for proton-lepton collisions
85 read snippets/EPCollider.in
86 do /Herwig/Shower/SplittingGenerator:DeleteFinalSplitting e-->e-,gamma; /Herwig/Shower/LtoLGammaSudakov
87 do /Herwig/Shower/SplittingGenerator:DeleteFinalSplitting mu-->mu-,gamma; /Herwig/Shower/LtoLGammaSudakov
88 do /Herwig/Shower/SplittingGenerator:DeleteFinalSplitting tau-->tau-,gamma; /Herwig/Shower/LtoLGammaSudakov
89 set /Herwig/Shower/KinematicsReconstructor:ReconstructionOption Colour
90 """)
91  else:
92  return("""
93 ## Commands for proton-proton collisions
94 read snippets/PPCollider.in
95 """)
96 
97 
108  def energy_commands(self):
109 
110  return("""
111 ## Center-of-mass energy
112 set /Herwig/Generators/EventGenerator:EventHandler:LuminosityFunction:Energy {}
113 """.format(self.runArgs.ecmEnergy))
114 
115 
116 
117  def printout_commands(self):
118 
119  self.set_printout_commands = True
120 
121  return("""
122 
123 ## Verbosity and printout settings
124 set /Herwig/Generators/EventGenerator:DebugLevel 1
125 set /Herwig/Generators/EventGenerator:PrintEvent 2
126 set /Herwig/Generators/EventGenerator:UseStdout Yes
127 set /Herwig/Generators/EventGenerator:NumberOfEvents 1000000000
128 set /Herwig/Generators/EventGenerator:MaxErrors 500
129 
130 ## Make sampler print out cross sections for each subprocess
131 set /Herwig/Samplers/Sampler:Verbose Yes
132 """)
133 
134 
138 
140  if self.use_PDGparams:
141  paramlist = []
143 
144  paramlist.append("## Masses and widths: PDG 2019 values")
145 
146 
147  from EvgenProdTools.offline_dict import parameters
148  for k,v in parameters.items():
149  if k == 'particles':
150  for key,value in v.items():
151  if int(key) == 24:
152  paramlist.append("set /Herwig/Particles/"+value['name']+"+:NominalMass "+value['mass'])
153  paramlist.append("set /Herwig/Particles/"+value['name']+"+:Width "+value['width'])
154  paramlist.append("set /Herwig/Particles/"+value['name']+"-:NominalMass "+value['mass'])
155  paramlist.append("set /Herwig/Particles/"+value['name']+"-:Width "+value['width'])
156  if int(key) == 23:
157  paramlist.append("set /Herwig/Particles/"+value['name']+"0:NominalMass "+value['mass'])
158  paramlist.append("set /Herwig/Particles/"+value['name']+"0:Width "+value['width'])
159  if int(key) == 6:
160  paramlist.append("set /Herwig/Particles/"+value['name']+"bar:NominalMass "+value['mass'])
161  paramlist.append("set /Herwig/Particles/"+value['name']+"bar:Width "+value['width'])
162  paramlist.append("set /Herwig/Particles/"+value['name']+":NominalMass "+value['mass'])
163  paramlist.append("set /Herwig/Particles/"+value['name']+":Width "+value['width'])
164 
165 
166  if k == 'EW_parameters':
167  for key,value in v.items():
168  if key[2] == "Sin2ThetaW":
169  paramlist.append("set /Herwig/Model:EW/"+str(key[2])+" "+str(value))
170  paramstring = '\n'.join(paramlist)
171  return(paramstring)
172 
173  else:
174  self.physics_parameter_commands = True
175 
176  return("""
177 ## Masses and widths: PDG 2010 values (except TOP mass; kept at PDG2007)
178 
179 ## top-quark
180 set /Herwig/Particles/t:NominalMass 172.5*GeV
181 set /Herwig/Particles/tbar:NominalMass 172.5*GeV
182 ## W boson
183 set /Herwig/Particles/W+:NominalMass 80.399*GeV
184 set /Herwig/Particles/W-:NominalMass 80.399*GeV
185 set /Herwig/Particles/W+:Width 2.085*GeV
186 set /Herwig/Particles/W-:Width 2.085*GeV
187 ## Z boson
188 set /Herwig/Particles/Z0:NominalMass 91.1876*GeV
189 set /Herwig/Particles/Z0:Width 2.4952*GeV
190 ## b quark
191 set /Herwig/Particles/b:NominalMass 4.95*GeV
192 set /Herwig/Particles/bbar:NominalMass 4.95*GeV
193 
194 ## Weinberg angle
195 set /Herwig/Model:EW/Sin2ThetaW 0.23113
196 """)
197 
199 
201 
202  return("""
203 ## Disable default attempts to use Pomeron PDF data files, until we're worked how to do that on the Grid!
204 set /Herwig/Particles/pomeron:PDF /Herwig/Partons/NoPDF
205 
206 ## Set long-lived particles stable
207 set /Herwig/Decays/DecayHandler:MaxLifeTime 10*mm
208 """)
209 
210 
211 
212 
221  def me_alphas_commands(self, order="NLO", scale=91.1876, value=0.118):
222 
223  if order not in ["LO", "NLO"]:
224  raise RuntimeError(hw7Utils.ansi_format_error("Parameter 'order' must either be 'LO' or 'NLO'!"))
225 
226  self.commands += """
227 ## Configure {0} AlphaS for the hard process
228 ## (LO: 1-loop-running / NLO: 2-loop running)
229 set /Herwig/Couplings/{0}AlphaS:input_scale {1}
230 set /Herwig/Couplings/{0}AlphaS:input_alpha_s {2}
231 set /Herwig/Model:QCD/RunningAlphaS /Herwig/Couplings/{0}AlphaS
232 """.format(order, scale, value)
233 
234 
235 
241  def me_pdf_commands(self, order="NLO", name="MMHT2014nlo68cl", member=0, max_flav=5):
242 
243  if order not in ["LO", "NLO"]:
244  raise RuntimeError(hw7Utils.ansi_format_error("Parameter 'order' must either be 'LO' or 'NLO'!"))
245 
246  self.me_pdf_name = name
247 
248  self.commands += """
249 ## Configure {0} PDF set for the hard process
250 set /Herwig/Partons/Hard{0}PDF:PDFName {1}
251 set /Herwig/Partons/Hard{0}PDF:Member {2}
252 set /Herwig/Partons/Hard{0}PDF:MaxFlav {3}
253 set /Herwig/Partons/Hard{0}PDF:RemnantHandler /Herwig/Partons/HadronRemnants
254 set /Herwig/Particles/p+:PDF /Herwig/Partons/Hard{0}PDF
255 set /Herwig/Particles/pbar-:PDF /Herwig/Partons/Hard{0}PDF
256 set /Herwig/Partons/PPExtractor:FirstPDF /Herwig/Partons/Hard{0}PDF
257 set /Herwig/Partons/PPExtractor:SecondPDF /Herwig/Partons/Hard{0}PDF
258 """.format(order, name, member, max_flav)
259 
260 
261 
267  def shower_pdf_commands(self, order="LO", name="MMHT2014lo68cl", member=0, max_flav=5):
268 
269  if order not in ["LO", "NLO"]:
270  raise RuntimeError(hw7Utils.ansi_format_error("Parameter 'order' must either be 'LO' or 'NLO'!"))
271 
272 
274 
275  self.commands += """
276 ## Configure {0} PDF set for the parton shower
277 set /Herwig/Partons/Shower{0}PDF:PDFName {1}
278 set /Herwig/Partons/Shower{0}PDF:Member {2}
279 set /Herwig/Partons/Shower{0}PDF:MaxFlav {3}
280 set /Herwig/Shower/ShowerHandler:PDFA /Herwig/Partons/Shower{0}PDF
281 set /Herwig/Shower/ShowerHandler:PDFB /Herwig/Partons/Shower{0}PDF
282 set /Herwig/Shower/PowhegShowerHandler:PDFA /Herwig/Partons/Shower{0}PDF
283 set /Herwig/Shower/PowhegShowerHandler:PDFB /Herwig/Partons/Shower{0}PDF
284 set /Herwig/DipoleShower/DipoleShowerHandler:PDFA /Herwig/Partons/Shower{0}PDF
285 set /Herwig/DipoleShower/DipoleShowerHandler:PDFB /Herwig/Partons/Shower{0}PDF
286 """.format(order, name, member, max_flav)
287 
288 
289 
294  def mpi_pdf_commands(self, name="MMHT2014lo68cl", member=0, max_flav=5):
295 
296  self.mpi_pdf_name = name
297 
298  self.commands += """
299 ## Configure MPI PDF
300 set /Herwig/Partons/MPIPDF:PDFName {}
301 set /Herwig/Partons/MPIPDF:Member {}
302 set /Herwig/Partons/MPIPDF:MaxFlav {}
303 """.format(name, member, max_flav)
304 
305 
306 
311  def remnant_pdf_commands(self, name="MMHT2014lo68cl", member=0, max_flav=5):
312 
313  self.commands += """
314 ## Configure Remnant PDF
315 set /Herwig/Partons/RemnantPDF:PDFName {}
316 set /Herwig/Partons/RemnantPDF:Member {}
317 set /Herwig/Partons/RemnantPDF:MaxFlav {}
318 """.format(name, member, max_flav)
319 
320 
321 
322 
327  def tune_commands(self, ps_tune_name = "H7-PS-MMHT2014LO", ue_tune_name = "H7.2-Default"):
328 
329  cmds = """
330 ## -------------
331 ## Tune Settings
332 ## -------------
333 """
334  self.commands += cmds
335  # self.ps_tune_commands(tune_name = ps_tune_name) # the name of the default PS tune may be obsolete
336  self.ue_tune_commands(tune_name = ue_tune_name)
337 
338 
339 
343  def ps_tune_commands(self, tune_name = "H7-PS-MMHT2014LO"):
344 
345  cmds = """
346 ## Parton shower / hadronization tune settings
347 """
348 
349  if tune_name == "H7-PS-MMHT2014LO":
350  cmds += """
351 # > The parton shower / hadronization tune "H7-MMHT2014LO" is already
352 # > configured in Herwig7 via the default settings.
353 """
354  # elif tune_name == "some-other-name":
355  # cmds += self.load_PS_tune(tune_name)
356  else:
357  raise Exception("Parton shower tune name '{}' unknown".format(tune_name))
358 
359  self.commands += cmds
360 
361 
362  def load_PS_tune(self, tune_name):
363 
364  return """
365 ## some commands
366 """
367 
368 
369 
373  def ue_tune_commands(self, tune_name = "H7.2-Default"):
374 
375  cmds = """
376 ## Underlying event tune settings
377 """
378 
379  if tune_name == "H7.2-Default":
380  cmds += """
381 # > The underlying event tune "H7.2-Default" is already
382 # > configured in Herwig7 via the default settings.
383 """
384  # elif tune_name == "some-other-name":
385  # cmds = self.UE_tune_commands(tune_name)
386  else:
387  raise Exception("Underlying event tune name '{}' unknown".format(tune_name))
388 
389  self.commands += cmds
390 
391 
392  def load_ue_tune(self, tune_name):
393 
394  return """
395 ## some commands
396 """
397 
398 
399  def get_dpdf_path(self):
400  import os
401  cmt_path = os.environ.get("CMAKE_PREFIX_PATH")
402  cmt_dir = os.environ.get("BINARY_TAG")
403 
404  cmtPaths = cmt_path.split(':')
405 
406  for path in cmtPaths:
407  pathNow = path + "/InstallArea/" + cmt_dir + "/share/"
408  try:
409  fileList = os.listdir(pathNow)
410  except Exception:
411  fileList = []
412  if "HerwigDefaults.rpo" in fileList:
413  simSharePath = pathNow
414 
415  dpdf_path = os.path.dirname(os.path.normpath(os.path.join(simSharePath, os.readlink(simSharePath + 'HerwigDefaults.rpo')))) + "/PDF/diffraction/"
416 
417  return dpdf_path
418 
419 
420 
421  def pdf_pomeron_cmds(self, flux, pdf):
422 
423  dpdf_path = self.get_dpdf_path()
424 
425  cmds = "\n"
426  cmds += "set /Herwig/Partons/PomeronPDF:RootName %s\n" % dpdf_path
427  cmds += "set /Herwig/Partons/PomeronFlux:PDFFit %s\n" % flux
428  cmds += "set /Herwig/Partons/PomeronPDF:PDFFit %s\n" % pdf
429 
430  cmds += """\
431 set /Herwig/Particles/pomeron:PDF /Herwig/Partons/PomeronPDF
432 
433 # Technical parameters for this run
434 set /Herwig/Generators/EventGenerator:EventHandler:Sampler:Ntry 100000
435 set /Herwig/Generators/EventGenerator:MaxErrors 500
436 
437 # MPI doesn't work
438 # TODO: Is this a problem?
439 set /Herwig/Generators/EventGenerator:EventHandler:CascadeHandler:MPIHandler NULL
440 
441 # Choice of phase-space generation for PDFs
442 set /Herwig/Partons/PPExtractor:FlatSHatY 0
443 
444 """
445  return cmds
446 
447 
448 
451 
452  return """
453 
454 # Technical parameters for this run
455 set /Herwig/Generators/EventGenerator:EventHandler:Sampler:Ntry 100000
456 
457 # Choice of phase-space generation for PDFs
458 set /Herwig/Partons/PPExtractor:FlatSHatY 0
459 
460 # Change the proton PDFs to those for photon radiation
461 set /Herwig/Particles/p+:PDF /Herwig/Partons/BudnevPDF
462 set /Herwig/Particles/pbar-:PDF /Herwig/Partons/BudnevPDF
463 
464 # MPI doesn't work
465 # TODO: Is this a problem?
466 set /Herwig/Generators/EventGenerator:EventHandler:CascadeHandler:MPIHandler NULL
467 
468 """
469 
470  # Set the tune schemes for the new angular ordering of the shower
471  def set_tune_scheme(self, tune_scheme="DotProduct"):
472  tune_schemes = ["DotProduct-Veto","DotProduct","pT","Q2"]
473  if tune_scheme not in tune_schemes:
474  athMsgLog.warn("Please choose one of the supported tune-schemes! (DotProduct-Veto,DotProduct,pT,Q2)")
475  else:
476  athMsgLog.info("{tune_scheme:s} was used for the tune scheme.".format(tune_scheme=tune_scheme))
477  # create a tune-section in the config
478  self.commands += """\
479 \n## -------------
480 ## Tune Settings
481 ## -------------
482 
483 # Tune-{tune_scheme:s}
484 read snippets/EvolutionScheme-{tune_scheme:s}.in
485 read snippets/Tune-{tune_scheme:s}.in
486 """.format(tune_scheme=tune_scheme)
487 
488  # Add the commands for enabling shower scale variations
489  def enable_angularShowerScaleVariations(self, do_variations=False):
490  if do_variations:
491  self.commands += """\
492 \n## -----------------------
493 ## Shower scale variation
494 ## -----------------------
495 cd /Herwig/Shower
496 do ShowerHandler:AddVariation MUR2_MUF2_SHOWER_HARD 2 2 Hard
497 do ShowerHandler:AddVariation MUR2_MUF1_SHOWER_HARD 2 1 Hard
498 do ShowerHandler:AddVariation MUR1_MUF2_SHOWER_HARD 1 2 Hard
499 do ShowerHandler:AddVariation MUR1_MUF0.5_SHOWER_HARD 1 0.5 Hard
500 do ShowerHandler:AddVariation MUR0.5_MUF1_SHOWER_HARD 0.5 1 Hard
501 do ShowerHandler:AddVariation MUR0.5_MUF0.5_SHOWER_HARD 0.5 0.5 Hard
502 do ShowerHandler:AddVariation MUR2_MUF2_SHOWER_SEC 2 2 Secondary
503 do ShowerHandler:AddVariation MUR2_MUF1_SHOWER_SEC 2 1 Secondary
504 do ShowerHandler:AddVariation MUR1_MUF2_SHOWER_SEC 1 2 Secondary
505 do ShowerHandler:AddVariation MUR1_MUF0.5_SHOWER_SEC 1 0.5 Secondary
506 do ShowerHandler:AddVariation MUR0.5_MUF1_SHOWER_SEC 0.5 1 Secondary
507 do ShowerHandler:AddVariation MUR0.5_MUF0.5_SHOWER_SEC 0.5 0.5 Secondary
508 set SplittingGenerator:Detuning 2.0
509 """
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def technical_parameter_commands(self)
Definition: Herwig7Config.py:198
Herwig7Config.Hw7Config.set_printout_commands
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Definition: Herwig7Config.py:34
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Definition: Herwig7Config.py:24
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def load_PS_tune(self, tune_name)
Definition: Herwig7Config.py:362
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Definition: Herwig7Config.py:25
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Definition: vtune_athena.py:14
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def check_reset_proc_number(opts)
Definition: JOsupport.py:23
Herwig7Config.Hw7Config.me_pdf_commands
def me_pdf_commands(self, order="NLO", name="MMHT2014nlo68cl", member=0, max_flav=5)
Commands for setting the PDF in the hard process.
Definition: Herwig7Config.py:241
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Definition: Herwig7Config.py:40
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Definition: Herwig7Config.py:35
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Definition: Herwig7Config.py:31
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def load_ue_tune(self, tune_name)
Definition: Herwig7Config.py:392
Herwig7Config.Hw7Config.__init__
def __init__(self, genSeq, runArgs, run_name="Herwig")
Constructor.
Definition: Herwig7Config.py:19
Herwig7Config.Hw7Config
Configuration base class for Herwig7.
Definition: Herwig7Config.py:16
Herwig7Config.Hw7Config.pdf_gammagamma_cmds
def pdf_gammagamma_cmds(self)
Initialize Budnev Photon flux for two-photon exclusive exchange.
Definition: Herwig7Config.py:450
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def tune_commands(self, ps_tune_name="H7-PS-MMHT2014LO", ue_tune_name="H7.2-Default")
Commands for setting PS/hadronization and UE/MPI tune simultaneously.
Definition: Herwig7Config.py:327
Herwig7Config.Hw7Config.ue_tune_commands
def ue_tune_commands(self, tune_name="H7.2-Default")
Commands for only setting the UE/MPI tune.
Definition: Herwig7Config.py:373
Herwig7Config.Hw7Config.global_pre_commands
def global_pre_commands(self)
Commands applied to all configuration classes before commands from the JobOptions.
Definition: Herwig7Config.py:44
Herwig7Config.Hw7Config.shower_pdf_commands
def shower_pdf_commands(self, order="LO", name="MMHT2014lo68cl", member=0, max_flav=5)
Commands for setting the PDF in the parton showers.
Definition: Herwig7Config.py:267
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Definition: Herwig7Config.py:27
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Herwig7Config.Hw7Config.mpi_pdf_commands
def mpi_pdf_commands(self, name="MMHT2014lo68cl", member=0, max_flav=5)
Commands for setting the PDF in the underlying event (UE)
Definition: Herwig7Config.py:294
Herwig7Config.Hw7Config.remnant_pdf_commands
def remnant_pdf_commands(self, name="MMHT2014lo68cl", member=0, max_flav=5)
Commands for setting the remnant PDF.
Definition: Herwig7Config.py:311
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def pdf_pomeron_cmds(self, flux, pdf)
Set pomeron structure function.
Definition: Herwig7Config.py:421
Herwig7Config.Hw7Config.physics_parameter_commands
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Load the dictionary and extract the values of the variables that were defined here before (top quark,...
Definition: Herwig7Config.py:142
Herwig7Config.Hw7Config.me_alphas_commands
def me_alphas_commands(self, order="NLO", scale=91.1876, value=0.118)
Commands for setting the strong coupling in the hard process.
Definition: Herwig7Config.py:221
Herwig7Config.Hw7Config.beams
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Definition: Herwig7Config.py:73
Herwig7Config.Hw7Config.beam_commands
def beam_commands(self)
Commands specific to certain beam / collision types.
Definition: Herwig7Config.py:71
Herwig7Config.Hw7Config.energy_commands
def energy_commands(self)
Sets center-of-mass energy sqrts(s) in GeV.
Definition: Herwig7Config.py:108
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Definition: Herwig7Config.py:39
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Definition: Herwig7Config.py:399
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Definition: Herwig7Config.py:37
Herwig7Config.Hw7Config.ps_tune_commands
def ps_tune_commands(self, tune_name="H7-PS-MMHT2014LO")
Commands for only setting the PS/hadronization tune.
Definition: Herwig7Config.py:343
Herwig7Config.Hw7Config.printout_commands
def printout_commands(self)
Sets printout verbosity and error tolerance.
Definition: Herwig7Config.py:117
Herwig7Config.Hw7Config.mpi_pdf_name
mpi_pdf_name
Definition: Herwig7Config.py:32
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Definition: Herwig7Config.py:36
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def random_seed_commands(self)
Sets the seed for the random number generator.
Definition: Herwig7Config.py:63
Herwig7Config.Hw7Config.enable_angularShowerScaleVariations
def enable_angularShowerScaleVariations(self, do_variations=False)
Definition: Herwig7Config.py:489
Herwig7Config.Hw7Config.add_commands
def add_commands(self, commands)
Add direct Herwig7 repository commands as they wo.
Definition: Herwig7Config.py:57