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// -*- C++ -*-
//
// SubProcessHandler.cc is a part of ThePEG - Toolkit for HEP Event Generation
// Copyright (C) 1999-2011 Leif Lonnblad
//
// ThePEG is licenced under version 2 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
//
// This is the implementation of the non-inlined, non-templated member
// functions of the SubProcessHandler class.
//
#include "SubProcessHandler.h"
#include "ThePEG/PDF/PartonExtractor.h"
#include "ThePEG/Handlers/Hint.h"
#include "ThePEG/Persistency/PersistentOStream.h"
#include "ThePEG/Persistency/PersistentIStream.h"
#include "ThePEG/Handlers/CascadeHandler.h"
#include "ThePEG/Handlers/MultipleInteractionHandler.h"
#include "ThePEG/Handlers/HadronizationHandler.h"
#include "ThePEG/Handlers/DecayHandler.h"
#include "ThePEG/Cuts/Cuts.h"
#include "ThePEG/Interface/RefVector.h"
#include "ThePEG/Interface/Reference.h"
#include "ThePEG/Interface/ClassDocumentation.h"
#include "ThePEG/EventRecord/Particle.h"
#include "ThePEG/MatrixElement/MEBase.h"
#include "ThePEG/MatrixElement/ReweightBase.h"
using namespace ThePEG;
SubProcessHandler::~SubProcessHandler() {}
SubProcessHandler::SubProcessHandler() {
setupGroups();
}
SubProcessHandler::SubProcessHandler(const SubProcessHandler & sph)
: HandlerBase(sph),
thePartonExtractor(sph.thePartonExtractor), theMEs(sph.theMEs),
theCuts(sph.theCuts), theSubprocessGroup(sph.theSubprocessGroup),
theCascadeGroup(sph.theCascadeGroup), theMultiGroup(sph.theMultiGroup),
theHadronizationGroup(sph.theHadronizationGroup),
theDecayGroup(sph.theDecayGroup),
reweights(sph.reweights), preweights(sph.preweights) {
setupGroups();
}
void SubProcessHandler::setupGroups() {
theGroups.clear();
theGroups.push_back(&theSubprocessGroup);
theGroups.push_back(&theCascadeGroup);
theGroups.push_back(&theMultiGroup);
theGroups.push_back(&theHadronizationGroup);
theGroups.push_back(&theDecayGroup);
}
IBPtr SubProcessHandler::clone() const {
return new_ptr(*this);
}
IBPtr SubProcessHandler::fullclone() const {
return new_ptr(*this);
}
const HandlerGroupBase &
SubProcessHandler::handlerGroup(Group::Handler group) const {
return *(theGroups[group]);
}
tCascHdlPtr SubProcessHandler::CKKWHandler() const {
return dynamic_ptr_cast<tCascHdlPtr>(theCascadeGroup.defaultHandler());
}
void SubProcessHandler::persistentOutput(PersistentOStream & os) const {
os << thePartonExtractor << theCuts << theSubprocessGroup << theCascadeGroup
<< theMultiGroup << theHadronizationGroup << theDecayGroup
<< theMEs << reweights << preweights;
}
void SubProcessHandler::persistentInput(PersistentIStream & is, int) {
is >> thePartonExtractor >> theCuts >> theSubprocessGroup >> theCascadeGroup
>> theMultiGroup >> theHadronizationGroup >> theDecayGroup
>> theMEs >> reweights >> preweights;
}
void SubProcessHandler::doinit() {
for ( MEVector::iterator me = theMEs.begin(); me != theMEs.end(); ++me ) {
(**me).init();
for ( ReweightVector::iterator i = reweights.begin();
i != reweights.end(); ++i ) (**me).addReweighter(*i);
for ( ReweightVector::iterator i = preweights.begin();
i != preweights.end(); ++i ) (**me).addPreweighter(*i);
}
HandlerBase::doinit();
}
void SubProcessHandler::doinitrun() {
HandlerBase::doinitrun();
pExtractor()->initrun();
for ( MEVector::iterator me = theMEs.begin(); me != theMEs.end(); ++me )
(**me).initrun();
for ( ReweightVector::iterator i = reweights.begin();
i != reweights.end(); ++i ) (**i).initrun();
for ( ReweightVector::iterator i = preweights.begin();
i != preweights.end(); ++i ) (**i).initrun();
}
ClassDescription<SubProcessHandler> SubProcessHandler::initSubProcessHandler;
void SubProcessHandler::Init() {
static ClassDocumentation<SubProcessHandler> documentation
("This object contains information about a set of possible sub-processes "
"to be generated from inside ThePEG. It must contain a "
"<interface>PartonExtractor</interface> do describe how the partons "
"entering into the hard sub-process are extracted from the beam "
"particles. It must also include at least one matrix element object "
"in <interface>MatrixElements</interface> and a "
"<interface>Cuts</interface> object describing the kinematical cuts "
"imposed on the sub-process generation.");
static Reference<SubProcessHandler,PartonExtractor> interfacePartonExtractor
("PartonExtractor",
"The PartonExtractor object to describe the way partons are extracted "
"from the incoming particles.",
&SubProcessHandler::thePartonExtractor, false, false, true, false);
static RefVector<SubProcessHandler,MEBase> interfaceMEs
("MatrixElements",
"A list of MEBase objects describing the \\f$2\\rightarrow n\\f$ hard "
"matrix elements.",
&SubProcessHandler::theMEs, 0, false, false, true, false);
static Reference<SubProcessHandler,Cuts> interfaceCuts
("Cuts",
"Common kinematical cuts for this SubProcessHandler. These cuts "
"overides those in a EventHandler.",
&SubProcessHandler::theCuts, false, false, true, true);
static RefVector<SubProcessHandler,ReweightBase> interfaceReweights
("Reweights",
"A list of ThePEG::ReweightBase objects to modify all matrix elements "
"in this SubProcessHandler.",
&SubProcessHandler::reweights, 0, false, false, true, false);
static RefVector<SubProcessHandler,ReweightBase> interfacePreweights
("Preweights",
"A list of ThePEG::ReweightBase objects to bias the phase space for all "
"matrix elements without in this SubProcessHandler influencing the "
"actual cross section.",
&SubProcessHandler::preweights, 0, false, false, true, false);
ThePEG_DECLARE_PREPOST_OBJECTS(SubProcessHandler, SubProcessHandler,
Post, after);
ThePEG_DECLARE_GROUPINTERFACE_OBJECTS(SubProcessHandler, CascadeHandler);
ThePEG_DECLARE_GROUPINTERFACE_OBJECTS(SubProcessHandler,
MultipleInteractionHandler);
ThePEG_DECLARE_GROUPINTERFACE_OBJECTS(SubProcessHandler,
HadronizationHandler);
ThePEG_DECLARE_GROUPINTERFACE_OBJECTS(SubProcessHandler, DecayHandler);
interfacePartonExtractor.rank(10);
interfaceMEs.rank(9);
interfaceCuts.rank(8);
}
ThePEG_IMPLEMENT_PREPOST_GROUP(SubProcessHandler,SubProcessHandler,
theSubprocessGroup,Post)\
ThePEG_IMPLEMENT_GROUPINTERFACE(SubProcessHandler,CascadeHandler,
theCascadeGroup,CascHdlPtr) \
ThePEG_IMPLEMENT_GROUPINTERFACE(SubProcessHandler,MultipleInteractionHandler,
theMultiGroup,MIHdlPtr) \
ThePEG_IMPLEMENT_GROUPINTERFACE(SubProcessHandler,HadronizationHandler,
theHadronizationGroup,HadrHdlPtr) \
ThePEG_IMPLEMENT_GROUPINTERFACE(SubProcessHandler,DecayHandler,
theDecayGroup,DecayHdlPtr) \
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