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cdfmidpoint_example.cc

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00001 //STARTHEADER
00002 // $Id: cdfmidpoint_example.cc 385 2006-12-12 17:00:33Z salam $
00003 //
00004 // Copyright (c) 2005-2006, Matteo Cacciari and Gavin Salam
00005 //
00006 //----------------------------------------------------------------------
00007 // This file is part of FastJet.
00008 //
00009 //  FastJet is free software; you can redistribute it and/or modify
00010 //  it under the terms of the GNU General Public License as published by
00011 //  the Free Software Foundation; either version 2 of the License, or
00012 //  (at your option) any later version.
00013 //
00014 //  The algorithms that underlie FastJet have required considerable
00015 //  development and are described in hep-ph/0512210. If you use
00016 //  FastJet as part of work towards a scientific publication, please
00017 //  include a citation to the FastJet paper.
00018 //
00019 //  FastJet is distributed in the hope that it will be useful,
00020 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
00021 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00022 //  GNU General Public License for more details.
00023 //
00024 //  You should have received a copy of the GNU General Public License
00025 //  along with FastJet; if not, write to the Free Software
00026 //  Foundation, Inc.:
00027 //      59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00028 //----------------------------------------------------------------------
00029 //ENDHEADER
00030 
00031 //----------------------------------------------------------------------
00032 // example program to illustrate the use of the cdf midpoint plugin
00033 //
00034 // Compile it with: make cdfmidpoint_example
00035 // run it with    : ./cdfmidpoint_example < data/single-event.dat
00036 //
00037 //----------------------------------------------------------------------
00038 
00039 #include "run_jet_finder.hh"
00040 #include "CDFMidPointPlugin.hh"
00041 #include<vector>
00042 #include<iostream>
00043 using namespace std;
00044 
00045 int main(int argc, char** argv) {
00046 
00047   
00048   // define a plugin pointer
00049   fastjet::JetDefinition::Plugin * plugin;
00050 
00051   // allocate a new plugin
00052   double seed_threshold = 1.0;
00053   double cone_radius = 0.7;
00054   double cone_area_fraction = 1.0;
00055   int    max_pair_size = 2;
00056   int    max_iterations = 100;
00057   double overlap_threshold = 0.5;
00058   plugin = new fastjet::CDFMidPointPlugin (seed_threshold, cone_radius, 
00059                                            cone_area_fraction, max_pair_size,
00060                                            max_iterations, overlap_threshold);
00061 
00062   // create a jet-definition based on the plugin
00063   fastjet::JetDefinition jet_def(plugin);
00064 
00065   // call the example routine that runs with arbitrary jet definitions
00066   vector<fastjet::PseudoJet> particles;
00067   read_input_particles(cin, particles);
00068   run_jet_finder(particles, jet_def);
00069 
00070   // clean up plugin memory.
00071   delete plugin;
00072 }

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