#include <JetMatchingMadgraph.h>

Inheritance diagram for gen::JetMatchingMadgraph:

Public Member Functions
	JetMatchingMadgraph (const edm::ParameterSet &params)

	~JetMatchingMadgraph ()

Public Member Functions inherited from gen::JetMatching
const std::vector < JetPartonMatch > &	getMatchSummary () const

bool	isMatchingDone ()

	JetMatching (const edm::ParameterSet &params)

void	resetMatchingStatus ()

virtual	~JetMatching ()

Private Member Functions
void	beforeHadronisation (const lhef::LHEEvent *event)

void	beforeHadronisationExec ()

std::set< std::string >	capabilities () const

template<typename T >
T	getParameter (const std::string &var, const T &defValue=T()) const

void	init (const lhef::LHERunInfo *runInfo)

int	match (const HepMC::GenEvent partonLevel, const HepMC::GenEvent finalState, bool showeredFinalState)

Static Private Member Functions
template<typename T >
static T	getParameter (const std::map< std::string, std::string > &params, const std::string &var, const T &defValue=T())

template<typename T >
static T	parseParameter (const std::string &value)

template<typename T >
static void	updateOrDie (const std::map< std::string, std::string > &params, T &param, const std::string &name)

Private Attributes
bool	eventInitialized

bool	exclusive

std::map< std::string, std::string >	mgParams

bool	runInitialized

bool	soup

Additional Inherited Members
Static Public Member Functions inherited from gen::JetMatching
static std::auto_ptr< JetMatching >	create (const edm::ParameterSet &params)

Protected Attributes inherited from gen::JetMatching
bool	fMatchingStatus

std::vector< JetPartonMatch >	matchSummary

Detailed Description

Definition at line 9 of file JetMatchingMadgraph.h.

Constructor & Destructor Documentation

gen::JetMatchingMadgraph::JetMatchingMadgraph ( const edm::ParameterSet & params )

Definition at line 125 of file JetMatchingMadgraph.cc.

References gen::MEMAIN::clfact, gen::MEMAIN::etaclmax, gen::MEMAIN::etcjet, edm::hlt::Exception, exclusive, gen::MEMAIN::excres, gen::OUTTREE::flag, edm::ParameterSet::getParameter(), getHLTprescales::index, gen::MEMAIN::ktsche, gen::MEMAIN::maxjets, gen::memain_, gen::MEMAIN::minjets, mode, gen::MEMAIN::nexcres, gen::MEMAIN::nqmatch, gen::outtree_, gen::MEMAIN::qcut, gen::MEMAIN::rclmax, gen::MEMAIN::showerkt, and soup.

                                                                       :
     JetMatching(params),
     runInitialized(false)
 {
     std::string mode = params.getParameter<std::string>("mode");
     if (mode == "inclusive") {
         soup = false;
         exclusive = false;
     } else if (mode == "exclusive") {
         soup = false;
         exclusive = true;
     } else if (mode == "auto")
         soup = true;
     else
         throw cms::Exception("Generator|LHEInterface")
             << "Madgraph jet matching scheme requires \"mode\" "
                "parameter to be set to either \"inclusive\", "
                "\"exclusive\" or \"auto\"." << std::endl;
 
     memain_.etcjet = 0.;
     memain_.rclmax = 0.0;
     memain_.clfact = 0.0;
     memain_.ktsche = 0.0;
     memain_.etaclmax = params.getParameter<double>("MEMAIN_etaclmax");
     memain_.qcut = params.getParameter<double>("MEMAIN_qcut");
     memain_.minjets = params.getParameter<int>("MEMAIN_minjets");
     memain_.maxjets = params.getParameter<int>("MEMAIN_maxjets");
     memain_.showerkt = params.getParameter<double>("MEMAIN_showerkt");
     memain_.nqmatch = params.getParameter<int>("MEMAIN_nqmatch");
     outtree_.flag = params.getParameter<int>("outTree_flag");
     std::string list_excres = params.getParameter<std::string>("MEMAIN_excres");
     std::vector<std::string> elems;
     std::stringstream ss(list_excres);
     std::string item;
     int index=0;
     while(std::getline(ss, item, ',')) {
             elems.push_back(item);
         memain_.excres[index]=std::atoi(item.c_str());
         index++;
     }
     memain_.nexcres=index;
 
     
 
 }

gen::JetMatchingMadgraph::~JetMatchingMadgraph ( )

Definition at line 171 of file JetMatchingMadgraph.cc.

172 {

173 }

Member Function Documentation

void gen::JetMatchingMadgraph::beforeHadronisation ( const lhef::LHEEvent * event )

privatevirtual

Reimplemented from gen::JetMatching.

Definition at line 291 of file JetMatchingMadgraph.cc.

References indexGen::comments, eventInitialized, edm::hlt::Exception, i, gen::UPPRIV::ickkw, lhef::HEPEUP::NUP, ExpressReco_HICollisions_FallBack::pt, gen::PYPART::ptpart, lhef::HEPEUP::PUP, gen::pypart_, runInitialized, mathSSE::sqrt(), and gen::uppriv_.

 {
     if (!runInitialized)
         throw cms::Exception("Generator|PartonShowerVeto")
             << "Run not initialized in JetMatchingMadgraph"
             << std::endl;
 
 
     if (uppriv_.ickkw) {
         std::vector<std::string> comments = event->getComments();
         if (comments.size() == 1) {
             std::istringstream ss(comments[0].substr(1));
             for(int i = 0; i < 1000; i++) {
                 double pt;
                 ss >> pt;
                 if (!ss.good())
                     break;
                 pypart_.ptpart[i] = pt;
             }
         } else {
             edm::LogWarning("Generator|LHEInterface")
                 << "Expected exactly one comment line per "
                    "event containing MadGraph parton scale "
                    "information."
                 << std::endl;
 
             const lhef::HEPEUP *hepeup = event->getHEPEUP();
             for(int i = 2; i < hepeup->NUP; i++) {
                 double mt2 =
                     hepeup->PUP[i][0] * hepeup->PUP[i][0] +
                     hepeup->PUP[i][1] * hepeup->PUP[i][1] +
                     hepeup->PUP[i][4] * hepeup->PUP[i][4];
                 pypart_.ptpart[i - 2] = std::sqrt(mt2);
             }
         }
     }
 
     // mgevnt_();
     eventInitialized = true;
 }

void gen::JetMatchingMadgraph::beforeHadronisationExec ( )

privatevirtual

Reimplemented from gen::JetMatching.

Definition at line 332 of file JetMatchingMadgraph.cc.

References eventInitialized, and gen::mgevnt_().

 {
     mgevnt_();
     eventInitialized = true;
         return;
 }

std::set< std::string > gen::JetMatchingMadgraph::capabilities ( ) const

privatevirtual

Reimplemented from gen::JetMatching.

Definition at line 175 of file JetMatchingMadgraph.cc.

References query::result.

 {
     std::set<std::string> result;
     result.insert("psFinalState");
     result.insert("hepevt");
     result.insert("pythia6");
     return result;
 }

template<typename T >

T gen::JetMatchingMadgraph::getParameter	(	const std::map< std::string, std::string > &	params,
		const std::string &	var,
		const T &	defValue = `T()`
	)

staticprivate

Definition at line 107 of file JetMatchingMadgraph.cc.

References pos.

Referenced by getParameter(), and updateOrDie().

 {
     std::map<std::string, std::string>::const_iterator pos =
                             params.find(var);
     if (pos == params.end())
         return defValue;
     return parseParameter<T>(pos->second);
 }

template<typename T >

T gen::JetMatchingMadgraph::getParameter	(	const std::string &	var,
		const T &	defValue = `T()`
	)		const

private

Definition at line 119 of file JetMatchingMadgraph.cc.

References getParameter(), and mgParams.

 { 
     return getParameter(mgParams, var, defValue); 
 }

void gen::JetMatchingMadgraph::init ( const lhef::LHERunInfo * runInfo )

privatevirtual

Reimplemented from gen::JetMatching.

Definition at line 232 of file JetMatchingMadgraph.cc.

References gather_cfg::cout, gen::MEMAIN::etaclmax, lhef::LHERunInfo::findHeader(), gen::UPPRIV::ickkw, gen::MEMAIN::maxjets, gen::MEMAIN::mektsc, gen::memain_, gen::mginit_(), mgParams, gen::MEMAIN::minjets, gen::MEMAIN::nqmatch, ExpressReco_HICollisions_FallBack::parameters, gen::parseHeader(), gen::MEMAIN::qcut, runInitialized, gen::MEMAIN::showerkt, updateOrDie(), gen::uppriv_, and makeHLTPrescaleTable::values.

 {
     // read MadGraph run card
 
     std::map<std::string, std::string> parameters;
 
     std::vector<std::string> header = runInfo->findHeader("MGRunCard");
     if (header.empty())
         throw cms::Exception("Generator|PartonShowerVeto")
             << "In order to use MadGraph jet matching, "
                "the input file has to contain the corresponding "
                "MadGraph headers." << std::endl;
 
     mgParams = parseHeader(header);
 
     // set variables in common block
 
     std::vector<Param> params;
     std::vector<Param> values;
     for(std::map<std::string, std::string>::const_iterator iter =
             mgParams.begin(); iter != mgParams.end(); ++iter) {
         params.push_back(" " + iter->first);
         values.push_back(iter->second);
 
     }
 
     // set MG matching parameters
 
     uppriv_.ickkw = getParameter<int>("ickkw", 0);
     memain_.mektsc = getParameter<int>("ktscheme", 0);
 
     header = runInfo->findHeader("MGParamCMS");
     
     std::map<std::string, std::string> mgInfoCMS = parseHeader(header);
 
     for(std::map<std::string, std::string>::const_iterator iter =
                         mgInfoCMS.begin(); iter != mgInfoCMS.end(); ++iter) {
                         std::cout<<"mgInfoCMS: "<<iter->first<<" "<<iter->second<<std::endl;
 
         }
 
 
     updateOrDie(mgInfoCMS, memain_.etaclmax, "etaclmax");
     updateOrDie(mgInfoCMS, memain_.qcut, "qcut");
     updateOrDie(mgInfoCMS, memain_.minjets, "minjets");
     updateOrDie(mgInfoCMS, memain_.maxjets, "maxjets");
     updateOrDie(mgInfoCMS, memain_.showerkt, "showerkt");
     updateOrDie(mgInfoCMS, memain_.nqmatch, "nqmatch");
 
     // run Fortran initialization code
 
     int nparam = params.size();
     mginit_(&nparam, &params.front(), &values.front());
     runInitialized = true;
 }

int gen::JetMatchingMadgraph::match	(	const HepMC::GenEvent *	partonLevel,
		const HepMC::GenEvent *	finalState,
		bool	showeredFinalState
	)

privatevirtual

Implements gen::JetMatching.

Definition at line 339 of file JetMatchingMadgraph.cc.

References eventInitialized, edm::hlt::Exception, exclusive, gen::JetMatching::fMatchingStatus, gen::MEMAEV::iexc, gen::MEMAIN::maxjets, gen::memaev_, gen::memain_, gen::mgveto_(), gen::MEMAEV::nljets, runInitialized, and soup.

 {
     if (!showeredFinalState)
         throw cms::Exception("Generator|LHEInterface")
             << "MadGraph matching expected parton shower "
                "final state." << std::endl;
 
     if (!runInitialized)
         throw cms::Exception("Generator|LHEInterface")
             << "Run not initialized in JetMatchingMadgraph"
             << std::endl;
 
     if (!eventInitialized)
         throw cms::Exception("Generator|LHEInterface")
             << "Event not initialized in JetMatchingMadgraph"
             << std::endl;
 
     if (soup)
         memaev_.iexc = (memaev_.nljets < memain_.maxjets);
     else
         memaev_.iexc = exclusive;
 
     int veto = 0;
     mgveto_(&veto);
     fMatchingStatus=true;
     eventInitialized = false;
 
     return veto;
 }

template<typename T >

T gen::JetMatchingMadgraph::parseParameter ( const std::string & value )

staticprivate

Definition at line 77 of file JetMatchingMadgraph.cc.

References query::result.

 {
     std::istringstream ss(value);
     T result;
     ss >> result;
     return result;
 }

template<typename T >

void gen::JetMatchingMadgraph::updateOrDie	(	const std::map< std::string, std::string > &	params,
		T &	param,
		const std::string &	name
	)

staticprivate

Definition at line 215 of file JetMatchingMadgraph.cc.

References edm::hlt::Exception, and getParameter().

Referenced by init().

 {
     if (param < 0){
         param = getParameter(params, name, param);
     }
     if (param < 0)
         throw cms::Exception("Generator|PartonShowerVeto")
             << "The MGParamCMS header does not specify the jet "
                "matching parameter \"" << name << "\", but it "
                "is requested by the CMSSW configuration."
             << std::endl;
 }