1 | #ifndef _JETCLU_ALGORITHM_HH_ |
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2 | #define _JETCLU_ALGORITHM_HH_ |
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3 | |
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4 | //---------------------------------------------------------------------- |
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5 | // This file distributed with FastJet has been obtained from |
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6 | // http://www.pa.msu.edu/~huston/Les_Houches_2005/JetClu+Midpoint-StandAlone.tgz |
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7 | // |
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8 | // Permission to distribute it with FastJet has been granted by Joey |
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9 | // Huston (see the COPYING file in the main FastJet directory for |
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10 | // details). |
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11 | // Changes from the original file are listed below. |
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12 | //---------------------------------------------------------------------- |
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13 | |
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14 | // History of changes compared to the original JetCluAlgorithm.hh file |
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15 | // |
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16 | // 2009-01-17 Gregory Soyez <soyez@fastjet.fr> |
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17 | // |
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18 | // * put the code in the fastjet::cdf namespace |
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19 | // |
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20 | // 2006-09-24 Gavin Salam <salam@lpthe.jussieu.fr> |
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21 | // |
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22 | // * added JetClu+MidPoint to FastJet |
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23 | |
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24 | #include "PhysicsTower.hh" |
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25 | #include "Cluster.hh" |
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26 | #include <vector> |
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27 | |
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28 | #include <fastjet/internal/base.hh> |
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29 | |
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30 | FASTJET_BEGIN_NAMESPACE |
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31 | |
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32 | namespace cdf{ |
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33 | |
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34 | class JetCluAlgorithm |
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35 | { |
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36 | private: |
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37 | double _seedThreshold; |
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38 | double _coneRadius; |
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39 | int _adjacencyCut; |
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40 | int _maxIterations; |
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41 | int _iratch; |
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42 | double _overlapThreshold; |
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43 | |
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44 | public: |
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45 | JetCluAlgorithm(): |
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46 | _seedThreshold(1), |
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47 | _coneRadius(0.7), |
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48 | _adjacencyCut(2), |
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49 | _maxIterations(100), |
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50 | _iratch(1), |
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51 | _overlapThreshold(0.75) |
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52 | {} |
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53 | JetCluAlgorithm(double st, double cr, int ac, int mi, int ir, double ot): |
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54 | _seedThreshold(st), |
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55 | _coneRadius(cr), |
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56 | _adjacencyCut(ac), |
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57 | _maxIterations(mi), |
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58 | _iratch(ir), |
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59 | _overlapThreshold(ot) |
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60 | {} |
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61 | void makeSeedTowers(std::vector<PhysicsTower>& towers, std::vector<Cluster>& seedTowers); |
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62 | void buildPreClusters(std::vector<Cluster>& seedTowers, std::vector<PhysicsTower>& towers, std::vector<Cluster>& preClusters); |
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63 | void findStableCones(std::vector<Cluster>& preClusters, std::vector<PhysicsTower>& towers, std::vector<Cluster>& stableCones); |
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64 | void splitAndMerge(std::vector<Cluster>& stableCones, std::vector<Cluster>& jets); |
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65 | void run(std::vector<PhysicsTower>& towers, std::vector<Cluster>& jets); |
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66 | }; |
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67 | |
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68 | } // namespace cdf |
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69 | |
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70 | FASTJET_END_NAMESPACE |
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71 | |
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72 | #endif |
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