Index: contrib/contribs/ValenciaPlugin/tags/2.0.0/ValenciaPlugin.hh =================================================================== --- contrib/contribs/ValenciaPlugin/tags/2.0.0/ValenciaPlugin.hh (revision 0) +++ contrib/contribs/ValenciaPlugin/tags/2.0.0/ValenciaPlugin.hh (revision 1204) @@ -0,0 +1,101 @@ +// $Id$ +// +// Copyright (c) 2014, Marcel Vos and Ignacio Garcia +// +//---------------------------------------------------------------------- +// This file is part of FastJet contrib. +// +// It is free software; you can redistribute it and/or modify it under +// the terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2 of the License, or (at +// your option) any later version. +// +// It is distributed in the hope that it will be useful, but WITHOUT +// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public +// License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this code. If not, see . +//---------------------------------------------------------------------- + +#ifndef __FASTJET_CONTRIB_VALENCIAJETALGORITHM_HH__ +#define __FASTJET_CONTRIB_VALENCIAJETALGORITHM_HH__ + +#include +#include "fastjet/JetDefinition.hh" +#include "fastjet/ClusterSequence.hh" +FASTJET_BEGIN_NAMESPACE // defined in fastjet/internal/base.hh + +namespace contrib{ + +//---------------------------------------------------------------------- +// +/// ValenciaPlugin is a plugin for fastjet (v2.4 upwards) +/// +/// It implements the Valencia algorithm, as defined in +/// Boronat, Garcia, Vos, +/// A new jet reconstruction algorithm for lepton colliders +/// +/// +class ValenciaPlugin : public JetDefinition::Plugin { +public: + + /// Constructor for the Valencia Plugin class. + /// Three floating point arguments are specified to set the parameters + /// the radius parameter R has the usual meaning, + /// the clustering order beta (beta = 1 yields kt-style clustering, + /// beta = 0 purely angular clustering a la C/A and beta = -1 + /// clusters hard, collinear radiation first, like anti-kt), + /// and gamma, that governs the shrinking jet size in the forward region + ValenciaPlugin (double R, double beta, double gamma) : _R(R), _beta(beta), _gamma(gamma){} + + /// Constructor for the Valencia Plugin class. + /// If two arguments are specified to set the parameters + /// the gamma exponent is set equal to beta + ValenciaPlugin (double R, double beta) : _R(R), _beta(beta), _gamma(beta){} + + /// copy constructor + ValenciaPlugin (const ValenciaPlugin & plugin) { + *this = plugin; + } + + // the things that are required by base class + virtual std::string description () const; + virtual void run_clustering(ClusterSequence &) const; + + /// the plugin mechanism's standard way of accessing the jet radius. + /// This must be set to return something sensible, even if R + /// does not make sense for this algorithm! + virtual double R() const {return _R;} + + // the Valencia algorithm has a second parameter beta that governs + // the exponent of the energy in the inter-particle and beam distance + // criteria, and thus determines the clustering order + virtual double beta() const {return _beta;} + + // the Valencia algorithm has a third parameter gamma that governs + // the exponent of the sin(theta) in the beam distance + // and thus the shrinking of the jet size in the forward region + virtual double gamma() const {return _gamma;} + + + + /// avoid the warning whenever the user requests "exclusive" jets + /// from the cluster sequence + virtual bool exclusive_sequence_meaningful() const {return true;} + +private: + double _R; + double _beta; + double _gamma; +}; + + + + +} // namespace contrib + +FASTJET_END_NAMESPACE + +#endif // __FASTJET_CONTRIB_VALENCIAJETALGORITHM_HH__ Property changes on: contrib/contribs/ValenciaPlugin/tags/2.0.0/ValenciaPlugin.hh ___________________________________________________________________ Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: contrib/contribs/ValenciaPlugin/tags/2.0.0/example.cc =================================================================== --- contrib/contribs/ValenciaPlugin/tags/2.0.0/example.cc (revision 0) +++ contrib/contribs/ValenciaPlugin/tags/2.0.0/example.cc (revision 1204) @@ -0,0 +1,125 @@ +//---------------------------------------------------------------------- +// Example on how to use this contribution +// +// run it with +// ./example < ../data/single-event.dat +//---------------------------------------------------------------------- +// +// Copyright (c) 2014-, Marcel Vos and Ignacio Garcia +// +//---------------------------------------------------------------------- +// This file is part of FastJet contrib. +// +// It is free software; you can redistribute it and/or modify it under +// the terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2 of the License, or (at +// your option) any later version. +// +// It is distributed in the hope that it will be useful, but WITHOUT +// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public +// License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this code. If not, see . +//---------------------------------------------------------------------- + +#include +#include + +#include "fastjet/JetDefinition.hh" +#include "fastjet/PseudoJet.hh" +#include "fastjet/Selector.hh" +#include "ValenciaPlugin.hh" +#include "fastjet/EECambridgePlugin.hh" + + +using namespace std; +using namespace fastjet; + +void read_event(vector &full_event); + +//---------------------------------------------------------------------- +int main(){ + // example for the creation and execution of the fastjet plugin + // for the Valencia jet algorithm + // + // the algorithm is intended for e+e- collisions, but can also be run + // on the simulated LHC data that ship with the fjcontrib area + // ./example ../data/Pythia-Zp2jets-lhc-pileup-1ev.dat + // + // read in input particles + //---------------------------------------------------------- + vector full_event; + read_event(full_event); + full_event = SelectorAbsRapMax(4.0)(full_event); + + // create the jet definition using the plugin mechanism + //---------------------------------------------------------- + fastjet::contrib::ValenciaPlugin * vlc_plugin = new fastjet::contrib::ValenciaPlugin(1.2, 0.8); + + fastjet::JetDefinition jet_def(vlc_plugin); + // do the clustering and get the jets + // only exclusive clustering is supported + //----------------------------------------------------------- + ClusterSequence clust_seq(full_event, jet_def); + + vector jets = clust_seq.inclusive_jets(20.); + + cout << "hard jets (pT > 20 GeV) in inclusive clustering " << endl; + for (unsigned int i=0; i> px >> py >> pz >> E; + PseudoJet particle(px,py,pz,E); + + // push event onto back of full_event vector + full_event.push_back(particle); + } + +} Property changes on: contrib/contribs/ValenciaPlugin/tags/2.0.0/example.cc ___________________________________________________________________ Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: contrib/contribs/ValenciaPlugin/tags/2.0.0/AUTHORS =================================================================== --- contrib/contribs/ValenciaPlugin/tags/2.0.0/AUTHORS (revision 0) +++ contrib/contribs/ValenciaPlugin/tags/2.0.0/AUTHORS (revision 1204) @@ -0,0 +1,7 @@ +The ValenciaJetAlgorithm FastJet contrib was written and is maintained and developed by: Ignacio Garcia Garcia, Marcel Vos, IFIC (UVEG/CSIC) Valencia, Spain + +Acknowledging suggestions by Gavin P. Salam (CERN) and J. Thaler (MIT) + +A preprint motivating the algorithm and describing its performance is available on: "A new jet algorithm for lepton colliders", arXiv:1404.4294 (submitted to PLB) + +Please contact: marcel.vos@ific.uv.es for questions, queries and comments Index: contrib/contribs/ValenciaPlugin/tags/2.0.0/VERSION =================================================================== --- contrib/contribs/ValenciaPlugin/tags/2.0.0/VERSION (revision 0) +++ contrib/contribs/ValenciaPlugin/tags/2.0.0/VERSION (revision 1204) @@ -0,0 +1 @@ +2.0.0 Index: contrib/contribs/ValenciaPlugin/tags/2.0.0/ValenciaPlugin.cc =================================================================== --- contrib/contribs/ValenciaPlugin/tags/2.0.0/ValenciaPlugin.cc (revision 0) +++ contrib/contribs/ValenciaPlugin/tags/2.0.0/ValenciaPlugin.cc (revision 1204) @@ -0,0 +1,133 @@ +// $Id$ +// +// Copyright (c) 2014, Marcel Vos and Ignacio Garcia +// +//---------------------------------------------------------------------- +// This file is part of FastJet contrib. +// +// It is free software; you can redistribute it and/or modify it under +// the terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2 of the License, or (at +// your option) any later version. +// +// It is distributed in the hope that it will be useful, but WITHOUT +// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public +// License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this code. If not, see . +//---------------------------------------------------------------------- + +#include "ValenciaPlugin.hh" +#include "fastjet/NNH.hh" + +// strings and streams +#include +#include + +FASTJET_BEGIN_NAMESPACE // defined in fastjet/internal/base.hh + +namespace contrib{ + +//---------------------------------------------------------------------- +/// class that contains the algorithm parameters R and beta +// needed to run the Valencia algorithm +class ValenciaInfo { + +public: + ValenciaInfo(double Ri, double betai, double gammai) + { R_ = Ri; beta_ = betai; gamma_ = gammai;} + + double beta() { return beta_; } + double gamma() { return gamma_; } + double R() { return R_; } + +private: + + double R_, beta_, gamma_; +}; + +class ValenciaBriefJet { +public: + void init(const PseudoJet & jet, ValenciaInfo * info) { + double norm = 1.0/sqrt(jet.modp2()); + // pseudo-jet information needed to calculate distance + nx = jet.px() * norm; + ny = jet.py() * norm; + nz = jet.pz() * norm; + E = jet.E(); + + // algorithm parameters needed in distance calculation + R = info->R(); + beta = info->beta(); + + // beam distance + // E-to-the-2*beta times sin(polar angle)-to-the-2*gamma + if (E==0. || jet.perp()==0.) diB=0.; + diB = pow(E,2*beta) * pow(jet.perp()/E,2*info->gamma()); + } + + double distance(const ValenciaBriefJet * jet) const { + // inter-particle distance is similar to Durham and e+e- kt + // two differences: + // R is redefined for greater flexibility + // the energy is elevated to 2*beta + double dij = 1 - nx*jet->nx + - ny*jet->ny + - nz*jet->nz; + + if (jet->E < E) + dij *= 2 * pow(jet->E,2*beta); + else + dij *= 2 * pow(E,2*beta); + + dij/=pow(R,2); + + return dij; + } + + double beam_distance() const { + return diB; + } + + + double E, nx, ny, nz; + double diB; + double R, beta; +}; + + +std::string ValenciaPlugin::description () const { + std::ostringstream desc; + desc << "Valencia plugin with R = " << R() << ", beta = " << beta() << " and gamma = " << gamma(); + return desc.str(); +} + +void ValenciaPlugin::run_clustering(fastjet::ClusterSequence & cs) const { + int njets = cs.jets().size(); + ValenciaInfo vinfo(R(),beta(),gamma()); + + NNH nnh(cs.jets(),&vinfo); + + while (njets > 0) { + int i, j, k; + double dij = nnh.dij_min(i, j); + + if (j >= 0) { + cs.plugin_record_ij_recombination(i, j, dij, k); + nnh.merge_jets(i, j, cs.jets()[k], k); + } else { + + cs.plugin_record_iB_recombination(i, dij); + nnh.remove_jet(i); + } + + njets--; + } +} + + +} // namespace contrib + +FASTJET_END_NAMESPACE Property changes on: contrib/contribs/ValenciaPlugin/tags/2.0.0/ValenciaPlugin.cc ___________________________________________________________________ Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: contrib/contribs/ValenciaPlugin/tags/2.0.0/example.ref =================================================================== --- contrib/contribs/ValenciaPlugin/tags/2.0.0/example.ref (revision 0) +++ contrib/contribs/ValenciaPlugin/tags/2.0.0/example.ref (revision 1204) @@ -0,0 +1,29 @@ +#-------------------------------------------------------------------------- +# FastJet release 3.0.6 +# M. Cacciari, G.P. Salam and G. Soyez +# A software package for jet finding and analysis at colliders +# http://fastjet.fr +# +# Please cite EPJC72(2012)1896 [arXiv:1111.6097] if you use this package +# for scientific work and optionally PLB641(2006)57 [hep-ph/0512210]. +# +# FastJet is provided without warranty under the terms of the GNU GPLv2. +# It uses T. Chan's closest pair algorithm, S. Fortune's Voronoi code +# and 3rd party plugin jet algorithms. See COPYING file for details. +#-------------------------------------------------------------------------- +hard jets (pT > 20 GeV) in inclusive clustering +pt = 982.835, rap = -0.866911 +pt = 909.442, rap = 0.223136 +pt = 73.1231, rap = -1.15058 + +hard jets in exclusive N=4 clustering +pt = 15.1466, rap = -2.04554 +pt = 73.1231, rap = -1.15058 +pt = 909.442, rap = 0.223136 +pt = 982.835, rap = -0.866911 + +hard jets in exclusive clustering up to d = 500 +pt = 73.1231, rap = -1.15058 +pt = 909.442, rap = 0.223136 +pt = 982.835, rap = -0.866911 + Index: contrib/contribs/ValenciaPlugin/tags/2.0.0/ChangeLog =================================================================== --- contrib/contribs/ValenciaPlugin/tags/2.0.0/ChangeLog (revision 0) +++ contrib/contribs/ValenciaPlugin/tags/2.0.0/ChangeLog (revision 1204) @@ -0,0 +1,27 @@ +24-02-2015 Marcel Vos + + *VERSION 2.0.0 + Releasing first production version + +21-02-2015 Marcel Vos + + *VERSION 2.0-devel + + *ValenciaPlugin.cc + changed diB filled after in NNH record after discussion with FJ team + released 2.0-devel + +27-01-2015 Marcel Vos + + *VERSION creating version 2.0-devel + ValenciaPlugin.cc + The algorithm now accepts three parameters: + R, the usual radius parameter + beta, the exponent of the energy in dij + gamma, the exponent of sin(theta) in diB + +13-03-2014 Marcel Vos + + *VERSION first development version 1.0-devel + ValenciaPlugin.cc + Implements the algorithm described in arXiv:1404.4294 Index: contrib/contribs/ValenciaPlugin/tags/2.0.0/COPYING =================================================================== --- contrib/contribs/ValenciaPlugin/tags/2.0.0/COPYING (revision 0) +++ contrib/contribs/ValenciaPlugin/tags/2.0.0/COPYING (revision 1204) @@ -0,0 +1,343 @@ +====================================================================== +====================================================================== +====================================================================== + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc. + 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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Index: contrib/contribs/ValenciaPlugin/tags/2.0.0/NEWS =================================================================== --- contrib/contribs/ValenciaPlugin/tags/2.0.0/NEWS (revision 0) +++ contrib/contribs/ValenciaPlugin/tags/2.0.0/NEWS (revision 1204) @@ -0,0 +1,5 @@ +24 February 2015: version 2.0.0 +21 February 2015: released 2.0-devel +27 January 2015: creating version 2.0-devel +13 March 2014: first development version 1.0-devel + Index: contrib/contribs/ValenciaPlugin/tags/2.0.0/Makefile =================================================================== --- contrib/contribs/ValenciaPlugin/tags/2.0.0/Makefile (revision 0) +++ contrib/contribs/ValenciaPlugin/tags/2.0.0/Makefile (revision 1204) @@ -0,0 +1,77 @@ +# If you are using this Makefile standalone and fastjet-config is not +# in your path, edit this line to specify the full path +FASTJETCONFIG=fastjet-config +PREFIX=`$(FASTJETCONFIG) --prefix` +CXX=g++ +CXXFLAGS= -O3 -Wall -g +install_script = $(SHELL) ../utils/install-sh +check_script = ../utils/check.sh + +# global contrib-wide Makefile include may override some of the above +# variables (leading "-" means don't give an error if you can't find +# the file) +-include ../.Makefile.inc + +#------------------------------------------------------------------------ +# things that are specific to this contrib +NAME=ValenciaPlugin +SRCS=ValenciaPlugin.cc +EXAMPLES=example +INSTALLED_HEADERS=ValenciaPlugin.hh +#------------------------------------------------------------------------ + +CXXFLAGS+= $(shell $(FASTJETCONFIG) --cxxflags) +LDFLAGS += -lm $(shell $(FASTJETCONFIG) --libs) + +OBJS = $(SRCS:.cc=.o) +EXAMPLES_SRCS = $(EXAMPLES:=.cc) + +install_HEADER = $(install_script) -c -m 644 +install_LIB = $(install_script) -c -m 644 +install_DIR = $(install_script) -d +install_DATA = $(install_script) -c -m 644 +install_PROGRAM = $(install_script) -c -s +install_SCRIPT = $(install_script) -c + +.PHONY: clean distclean examples check install + +# compilation of the code (default target) +all: lib$(NAME).a + +lib$(NAME).a: $(OBJS) + ar cru lib$(NAME).a $(OBJS) + ranlib lib$(NAME).a + +# building the examples +examples: $(EXAMPLES) + +# the following construct makes it possible to automatically build +# each of the examples listed in $EXAMPLES +$(EXAMPLES): % : %.o all + $(CXX) -o $@ $< -L. -l$(NAME) $(LDFLAGS) + +# check that everything went fine +check: examples + @for prog in $(EXAMPLES); do\ + $(check_script) $${prog} ../data/single-event.dat || exit 1; \ + done + @echo "All tests successful" + +# cleaning the directory +clean: + rm -f *~ *.o + +distclean: clean + rm -f lib$(NAME).a $(EXAMPLES) + +# install things in PREFIX/... +install: all + $(install_DIR) $(PREFIX)/include/fastjet/contrib + for header in $(INSTALLED_HEADERS); do\ + $(install_HEADER) $$header $(PREFIX)/include/fastjet/contrib/;\ + done + $(install_DIR) $(PREFIX)/lib + $(install_LIB) lib$(NAME).a $(PREFIX)/lib + +depend: + makedepend -Y -- -- $(SRCS) $(EXAMPLES_SRCS) Index: contrib/contribs/ValenciaPlugin/tags/2.0.0/README =================================================================== --- contrib/contribs/ValenciaPlugin/tags/2.0.0/README (revision 0) +++ contrib/contribs/ValenciaPlugin/tags/2.0.0/README (revision 1204) @@ -0,0 +1,2 @@ +The Valencia Jet algorithm provides robust performance at future lepton colliders with non-negligible background, while maintaining an inter-particle distance criterion based on energy and angle that matches closely the experimental practice at lepton colliders. +