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370be031 | 1 | //STARTHEADER |
2 | // $Id: NestedDefsPlugin.hh 1394 2009-01-17 05:08:31Z soyez $ | |
3 | // | |
4 | // Copyright (c) 2007-2008, Matteo Cacciari, Gavin Salam and Gregory Soyez | |
5 | // | |
6 | //---------------------------------------------------------------------- | |
7 | // This file is part of FastJet. | |
8 | // | |
9 | // FastJet is free software; you can redistribute it and/or modify | |
10 | // it under the terms of the GNU General Public License as published by | |
11 | // the Free Software Foundation; either version 2 of the License, or | |
12 | // (at your option) any later version. | |
13 | // | |
14 | // The algorithms that underlie FastJet have required considerable | |
15 | // development and are described in hep-ph/0512210. If you use | |
16 | // FastJet as part of work towards a scientific publication, please | |
17 | // include a citation to the FastJet paper. | |
18 | // | |
19 | // FastJet is distributed in the hope that it will be useful, | |
20 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | // GNU General Public License for more details. | |
23 | // | |
24 | // You should have received a copy of the GNU General Public License | |
25 | // along with FastJet; if not, write to the Free Software | |
26 | // Foundation, Inc.: | |
27 | // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
28 | //---------------------------------------------------------------------- | |
29 | //ENDHEADER | |
30 | ||
31 | #ifndef __NESTEDALGSPLUGIN_HH__ | |
32 | #define __NESTEDALGSPLUGIN_HH__ | |
33 | ||
34 | #include "fastjet/JetDefinition.hh" | |
35 | #include <list> | |
36 | #include <memory> | |
37 | #include <cmath> | |
38 | ||
39 | // questionable whether this should be in fastjet namespace or not... | |
40 | namespace fastjet { // defined in fastjet/internal/base.hh | |
41 | ||
42 | // another forward declaration to reduce includes | |
43 | class PseudoJet; | |
44 | ||
45 | //---------------------------------------------------------------------- | |
46 | // | |
47 | /// NestedAglsPlugin is a plugin for fastjet (v2.4 upwards) that, given | |
48 | /// a list of jet definitions, performs the clustering by feeding the | |
49 | /// particles to the first algorithm and then, successively feeding the | |
50 | /// output to the next algorithm in the list. | |
51 | // | |
52 | class NestedDefsPlugin : public JetDefinition::Plugin { | |
53 | public: | |
54 | /// Main constructor for the NestedDefs Plugin class. | |
55 | /// | |
56 | /// The argument is an initialised list of jet algorithms | |
57 | NestedDefsPlugin (std::list<JetDefinition> &defs) : | |
58 | _defs(defs){} | |
59 | ||
60 | /// copy constructor | |
61 | NestedDefsPlugin (const NestedDefsPlugin & plugin) { | |
62 | *this = plugin; | |
63 | } | |
64 | ||
65 | // the things that are required by base class | |
66 | virtual std::string description () const; | |
67 | virtual void run_clustering(ClusterSequence &) const; | |
68 | /// the plugin mechanism's standard way of accessing the jet radius | |
69 | /// here we return the R of the last alg in the list | |
70 | virtual double R() const {return _defs.rbegin()->R();} | |
71 | ||
72 | private: | |
73 | std::list<JetDefinition> _defs; | |
74 | }; | |
75 | ||
76 | } // fastjet namespace | |
77 | ||
78 | #endif // __SISCONEPLUGIN_HH__ | |
79 |