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fastjet 2.4.5
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fastjet 2.4.5
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00001 //STARTHEADER 00002 // $Id: CDFMidPointPlugin.hh 1186 2008-04-04 16:15:39Z 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 #ifndef __CDFMIDPOINTPLUGIN_HH__ 00032 #define __CDFMIDPOINTPLUGIN_HH__ 00033 00034 #include "fastjet/JetDefinition.hh" 00035 00036 // questionable whether this should be in fastjet namespace or not... 00037 00038 FASTJET_BEGIN_NAMESPACE // defined in fastjet/internal/base.hh 00039 00040 //---------------------------------------------------------------------- 00041 // 00058 // 00059 //---------------------------------------------------------------------- 00060 class CDFMidPointPlugin : public JetDefinition::Plugin { 00061 public: 00063 // NB: just replicates what we've added to the CDF midpoint code 00064 enum SplitMergeScale {SM_pt, SM_Et, SM_mt, SM_pttilde}; 00065 00105 CDFMidPointPlugin ( 00106 double seed_threshold , 00107 double cone_radius , 00108 double cone_area_fraction , 00109 int max_pair_size , 00110 int max_iterations , 00111 double overlap_threshold , 00112 SplitMergeScale sm_scale = SM_pt) : 00113 _seed_threshold (seed_threshold ), 00114 _cone_radius (cone_radius ), 00115 _cone_area_fraction (cone_area_fraction ), 00116 _max_pair_size (max_pair_size ), 00117 _max_iterations (max_iterations ), 00118 _overlap_threshold (overlap_threshold ), 00119 _sm_scale (sm_scale) {} 00120 00128 CDFMidPointPlugin (double cone_radius, 00129 double overlap_threshold,// = 0.5, 00130 double seed_threshold = 1.0, 00131 double cone_area_fraction = 1.0) : 00132 _seed_threshold (seed_threshold ), 00133 _cone_radius (cone_radius ), 00134 _cone_area_fraction (cone_area_fraction ), 00135 _max_pair_size (2 ), 00136 _max_iterations (100 ), 00137 _overlap_threshold (overlap_threshold ), 00138 _sm_scale (SM_pt) {} 00139 00140 00141 // some functions to return info about parameters 00142 double seed_threshold () const {return _seed_threshold ;} 00143 double cone_radius () const {return _cone_radius ;} 00144 double cone_area_fraction () const {return _cone_area_fraction ;} 00145 int max_pair_size () const {return _max_pair_size ;} 00146 int max_iterations () const {return _max_iterations ;} 00147 double overlap_threshold () const {return _overlap_threshold ;} 00148 00149 00150 // the things that are required by base class 00151 virtual std::string description () const; 00152 virtual void run_clustering(ClusterSequence &) const; 00154 virtual double R() const {return cone_radius();} 00155 00156 private: 00157 00158 double _seed_threshold ; 00159 double _cone_radius ; 00160 double _cone_area_fraction; 00161 int _max_pair_size ; 00162 int _max_iterations ; 00163 double _overlap_threshold ; 00164 SplitMergeScale _sm_scale ; 00165 }; 00166 00167 FASTJET_END_NAMESPACE // defined in fastjet/internal/base.hh 00168 00169 #endif // __CDFMIDPOINTPLUGIN_HH__
1.7.4
