| [35cdc46] | 1 | //FJSTARTHEADER
|
|---|
| [b7b836a] | 2 | // $Id: ClusterSequenceArea.hh 4354 2018-04-22 07:12:37Z salam $
|
|---|
| [d7d2da3] | 3 | //
|
|---|
| [b7b836a] | 4 | // Copyright (c) 2006-2018, Matteo Cacciari, Gavin P. Salam and Gregory Soyez
|
|---|
| [d7d2da3] | 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
|
|---|
| [35cdc46] | 15 | // development. They are described in the original FastJet paper,
|
|---|
| 16 | // hep-ph/0512210 and in the manual, arXiv:1111.6097. If you use
|
|---|
| [d7d2da3] | 17 | // FastJet as part of work towards a scientific publication, please
|
|---|
| [35cdc46] | 18 | // quote the version you use and include a citation to the manual and
|
|---|
| 19 | // optionally also to hep-ph/0512210.
|
|---|
| [d7d2da3] | 20 | //
|
|---|
| 21 | // FastJet is distributed in the hope that it will be useful,
|
|---|
| 22 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 23 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 24 | // GNU General Public License for more details.
|
|---|
| 25 | //
|
|---|
| 26 | // You should have received a copy of the GNU General Public License
|
|---|
| 27 | // along with FastJet. If not, see <http://www.gnu.org/licenses/>.
|
|---|
| 28 | //----------------------------------------------------------------------
|
|---|
| [35cdc46] | 29 | //FJENDHEADER
|
|---|
| [d7d2da3] | 30 |
|
|---|
| 31 | #ifndef __FASTJET_CLUSTERSEQUENCEAREA_HH__
|
|---|
| 32 | #define __FASTJET_CLUSTERSEQUENCEAREA_HH__
|
|---|
| 33 |
|
|---|
| 34 | #include "fastjet/ClusterSequenceAreaBase.hh"
|
|---|
| 35 | #include "fastjet/ClusterSequenceActiveArea.hh"
|
|---|
| 36 | #include "fastjet/ClusterSequenceActiveAreaExplicitGhosts.hh"
|
|---|
| 37 | #include "fastjet/ClusterSequencePassiveArea.hh"
|
|---|
| 38 | #include "fastjet/ClusterSequenceVoronoiArea.hh"
|
|---|
| 39 | #include "fastjet/AreaDefinition.hh"
|
|---|
| 40 |
|
|---|
| 41 | FASTJET_BEGIN_NAMESPACE
|
|---|
| 42 |
|
|---|
| 43 | /// @ingroup area_classes
|
|---|
| 44 | /// \class ClusterSequenceArea
|
|---|
| 45 | /// General class for user to obtain ClusterSequence with additional
|
|---|
| 46 | /// area information.
|
|---|
| 47 | ///
|
|---|
| 48 | /// Based on the area_def, it automatically dispatches the work to the
|
|---|
| 49 | /// appropriate actual ClusterSequenceAreaBase-derived-class to do the
|
|---|
| 50 | /// real work.
|
|---|
| 51 | class ClusterSequenceArea : public ClusterSequenceAreaBase {
|
|---|
| 52 | public:
|
|---|
| 53 | /// main constructor
|
|---|
| 54 | template<class L> ClusterSequenceArea
|
|---|
| 55 | (const std::vector<L> & pseudojets,
|
|---|
| 56 | const JetDefinition & jet_def_in,
|
|---|
| 57 | const AreaDefinition & area_def_in) : _area_def(area_def_in) {
|
|---|
| 58 | initialize_and_run_cswa(pseudojets, jet_def_in);
|
|---|
| 59 | }
|
|---|
| 60 |
|
|---|
| 61 | /// constructor with a GhostedAreaSpec
|
|---|
| 62 | template<class L> ClusterSequenceArea
|
|---|
| 63 | (const std::vector<L> & pseudojets,
|
|---|
| 64 | const JetDefinition & jet_def_in,
|
|---|
| 65 | const GhostedAreaSpec & ghost_spec) : _area_def(ghost_spec){
|
|---|
| 66 | initialize_and_run_cswa(pseudojets, jet_def_in);
|
|---|
| 67 | }
|
|---|
| 68 |
|
|---|
| 69 | /// constructor with a VoronoiAreaSpec
|
|---|
| 70 | template<class L> ClusterSequenceArea
|
|---|
| 71 | (const std::vector<L> & pseudojets,
|
|---|
| 72 | const JetDefinition & jet_def_in,
|
|---|
| 73 | const VoronoiAreaSpec & voronoi_spec) : _area_def(voronoi_spec){
|
|---|
| 74 | initialize_and_run_cswa(pseudojets, jet_def_in);
|
|---|
| 75 | }
|
|---|
| 76 |
|
|---|
| 77 | /// return a reference to the area definition
|
|---|
| 78 | const AreaDefinition & area_def() const {return _area_def;}
|
|---|
| 79 |
|
|---|
| 80 |
|
|---|
| 81 | /// return the area associated with the given jet
|
|---|
| [1d208a2] | 82 | virtual double area (const PseudoJet & jet) const FASTJET_OVERRIDE {
|
|---|
| [d7d2da3] | 83 | return _area_base->area(jet);}
|
|---|
| 84 |
|
|---|
| 85 | /// return the error (uncertainty) associated with the determination
|
|---|
| 86 | /// of the area of this jet
|
|---|
| [1d208a2] | 87 | virtual double area_error (const PseudoJet & jet) const FASTJET_OVERRIDE {
|
|---|
| [d7d2da3] | 88 | return _area_base->area_error(jet);}
|
|---|
| 89 |
|
|---|
| 90 | /// return the 4-vector area
|
|---|
| [1d208a2] | 91 | virtual PseudoJet area_4vector(const PseudoJet & jet) const FASTJET_OVERRIDE {
|
|---|
| [d7d2da3] | 92 | return _area_base->area_4vector(jet);}
|
|---|
| 93 |
|
|---|
| 94 | // /// return the total area, up to |y|<maxrap, that is free of jets
|
|---|
| 95 | // virtual double empty_area(double maxrap) const {
|
|---|
| 96 | // return _area_base->empty_area(maxrap);}
|
|---|
| 97 | //
|
|---|
| 98 | // /// return something similar to the number of pure ghost jets
|
|---|
| 99 | // /// in the given rapidity range in an active area case.
|
|---|
| 100 | // /// For the local implementation we return empty_area/(0.55 pi R^2),
|
|---|
| 101 | // /// based on measured properties of ghost jets with kt and cam. Note
|
|---|
| 102 | // /// that the number returned is a double.
|
|---|
| 103 | // virtual double n_empty_jets(double maxrap) const {
|
|---|
| 104 | // return _area_base->n_empty_jets(maxrap);
|
|---|
| 105 |
|
|---|
| 106 | /// return the total area, corresponding to the given selector, that
|
|---|
| 107 | /// is free of jets
|
|---|
| 108 | ///
|
|---|
| 109 | /// The selector needs to have a finite area and be applicable jet by
|
|---|
| 110 | /// jet (see the BackgroundEstimator and Subtractor tools for more
|
|---|
| 111 | /// advanced usage)
|
|---|
| [1d208a2] | 112 | virtual double empty_area(const Selector & selector) const FASTJET_OVERRIDE {
|
|---|
| [d7d2da3] | 113 | return _area_base->empty_area(selector);}
|
|---|
| 114 |
|
|---|
| 115 | /// return something similar to the number of pure ghost jets
|
|---|
| 116 | /// in the given rap-phi range in an active area case.
|
|---|
| 117 | /// For the local implementation we return empty_area/(0.55 pi R^2),
|
|---|
| 118 | /// based on measured properties of ghost jets with kt and cam. Note
|
|---|
| 119 | /// that the number returned is a double.
|
|---|
| 120 | ///
|
|---|
| 121 | /// The selector needs to have a finite area and be applicable jet by
|
|---|
| 122 | /// jet (see the BackgroundEstimator and Subtractor tools for more
|
|---|
| 123 | /// advanced usage)
|
|---|
| [1d208a2] | 124 | virtual double n_empty_jets(const Selector & selector) const FASTJET_OVERRIDE {
|
|---|
| [d7d2da3] | 125 | return _area_base->n_empty_jets(selector);
|
|---|
| 126 | }
|
|---|
| 127 |
|
|---|
| 128 | /// true if a jet is made exclusively of ghosts
|
|---|
| [1d208a2] | 129 | virtual bool is_pure_ghost(const PseudoJet & jet) const FASTJET_OVERRIDE {
|
|---|
| [d7d2da3] | 130 | return _area_base->is_pure_ghost(jet);
|
|---|
| 131 | }
|
|---|
| 132 |
|
|---|
| 133 | /// true if this ClusterSequence has explicit ghosts
|
|---|
| [1d208a2] | 134 | virtual bool has_explicit_ghosts() const FASTJET_OVERRIDE {
|
|---|
| [d7d2da3] | 135 | return _area_base->has_explicit_ghosts();
|
|---|
| 136 | }
|
|---|
| 137 |
|
|---|
| 138 |
|
|---|
| 139 | /// overload version of what's in the ClusterSequenceAreaBase class, which
|
|---|
| 140 | /// additionally checks compatibility between "selector" and region in which
|
|---|
| 141 | /// ghosts are thrown.
|
|---|
| 142 | ///
|
|---|
| 143 | /// The selector needs to have a finite area and be applicable jet by
|
|---|
| 144 | /// jet (see the BackgroundEstimator and Subtractor tools for more
|
|---|
| 145 | /// advanced usage)
|
|---|
| [1d208a2] | 146 | //FASTJET_DEPRECATED_MSG("ClusterSequenceArea::get_median_rho_and_sigma(...) is deprecated since FastJet 3.0. Use the BackgroundEstimator series of tools instead")
|
|---|
| [d7d2da3] | 147 | virtual void get_median_rho_and_sigma(const std::vector<PseudoJet> & all_jets,
|
|---|
| 148 | const Selector & selector,
|
|---|
| 149 | bool use_area_4vector,
|
|---|
| 150 | double & median, double & sigma,
|
|---|
| 151 | double & mean_area,
|
|---|
| [1d208a2] | 152 | bool all_are_incl = false) const FASTJET_OVERRIDE {
|
|---|
| [d7d2da3] | 153 | _warn_if_range_unsuitable(selector);
|
|---|
| [1d208a2] | 154 | ClusterSequenceAreaBase::_get_median_rho_and_sigma(
|
|---|
| [d7d2da3] | 155 | all_jets, selector, use_area_4vector,
|
|---|
| 156 | median, sigma, mean_area, all_are_incl);
|
|---|
| 157 | }
|
|---|
| 158 |
|
|---|
| 159 | /// overload version of what's in the ClusterSequenceAreaBase class,
|
|---|
| 160 | /// which actually just does the same thing as the base version (but
|
|---|
| 161 | /// since we've overridden the 5-argument version above, we have to
|
|---|
| 162 | /// override the 4-argument version too.
|
|---|
| [1d208a2] | 163 | //FASTJET_DEPRECATED_MSG("ClusterSequenceArea::get_median_rho_and_sigma(...) is deprecated since FastJet 3.0. Use the BackgroundEstimator series of tools instead")
|
|---|
| [d7d2da3] | 164 | virtual void get_median_rho_and_sigma(const Selector & selector,
|
|---|
| 165 | bool use_area_4vector,
|
|---|
| [1d208a2] | 166 | double & median, double & sigma) const FASTJET_OVERRIDE {
|
|---|
| 167 | ClusterSequenceAreaBase::_get_median_rho_and_sigma(selector,use_area_4vector,
|
|---|
| 168 | median,sigma);
|
|---|
| [d7d2da3] | 169 | }
|
|---|
| 170 |
|
|---|
| 171 | /// overload version of what's in the ClusterSequenceAreaBase class,
|
|---|
| 172 | /// which actually just does the same thing as the base version (but
|
|---|
| 173 | /// since we've overridden the multi-argument version above, we have to
|
|---|
| 174 | /// override the 5-argument version too.
|
|---|
| [1d208a2] | 175 | //FASTJET_DEPRECATED_MSG("ClusterSequenceArea::get_median_rho_and_sigma(...) is deprecated since FastJet 3.0. Use the BackgroundEstimator series of tools instead")
|
|---|
| [d7d2da3] | 176 | virtual void get_median_rho_and_sigma(const Selector & selector,
|
|---|
| 177 | bool use_area_4vector,
|
|---|
| 178 | double & median, double & sigma,
|
|---|
| [1d208a2] | 179 | double & mean_area) const FASTJET_OVERRIDE {
|
|---|
| 180 | ClusterSequenceAreaBase::_get_median_rho_and_sigma(selector,use_area_4vector,
|
|---|
| 181 | median,sigma, mean_area);
|
|---|
| [d7d2da3] | 182 | }
|
|---|
| 183 |
|
|---|
| 184 |
|
|---|
| 185 | /// overload version of what's in the ClusterSequenceAreaBase class, which
|
|---|
| 186 | /// additionally checks compatibility between "range" and region in which
|
|---|
| 187 | /// ghosts are thrown.
|
|---|
| [1d208a2] | 188 | //FASTJET_DEPRECATED_MSG("ClusterSequenceArea::parabolic_pt_per_unit_area(...) is deprecated since FastJet 3.0. Use the BackgroundEstimator series of tools instead")
|
|---|
| [d7d2da3] | 189 | virtual void parabolic_pt_per_unit_area(double & a, double & b,
|
|---|
| 190 | const Selector & selector,
|
|---|
| 191 | double exclude_above=-1.0,
|
|---|
| [1d208a2] | 192 | bool use_area_4vector=false) const FASTJET_OVERRIDE {
|
|---|
| 193 | return _parabolic_pt_per_unit_area(a,b,selector,exclude_above,use_area_4vector);
|
|---|
| [d7d2da3] | 194 | }
|
|---|
| 195 |
|
|---|
| 196 |
|
|---|
| 197 | private:
|
|---|
| 198 |
|
|---|
| 199 | /// print a warning if the range is unsuitable for the current
|
|---|
| 200 | /// calculation of the area (e.g. because ghosts do not extend
|
|---|
| 201 | /// far enough).
|
|---|
| 202 | void _warn_if_range_unsuitable(const Selector & selector) const;
|
|---|
| 203 |
|
|---|
| 204 | template<class L> void initialize_and_run_cswa (
|
|---|
| 205 | const std::vector<L> & pseudojets,
|
|---|
| 206 | const JetDefinition & jet_def);
|
|---|
| 207 |
|
|---|
| [1d208a2] | 208 | SharedPtr<ClusterSequenceAreaBase> _area_base;
|
|---|
| [d7d2da3] | 209 | AreaDefinition _area_def;
|
|---|
| 210 | static LimitedWarning _range_warnings;
|
|---|
| 211 | static LimitedWarning _explicit_ghosts_repeats_warnings;
|
|---|
| 212 |
|
|---|
| [1d208a2] | 213 | // the following set of private methods are all deprecated. Their
|
|---|
| 214 | // role is simply to hide the corresponding methods (without the
|
|---|
| 215 | // first underscore) from the public interface so that they can be
|
|---|
| 216 | // used internally until all the deprecated methods are removed.
|
|---|
| 217 | // DO NOT USE ANY OF THESE METHODS: THEY ARE DEPRECATED AND WILL BE
|
|---|
| 218 | // REMOVED.
|
|---|
| 219 | virtual void _parabolic_pt_per_unit_area(double & a, double & b,
|
|---|
| 220 | const Selector & selector,
|
|---|
| 221 | double exclude_above=-1.0,
|
|---|
| 222 | bool use_area_4vector=false) const FASTJET_OVERRIDE {
|
|---|
| 223 | _warn_if_range_unsuitable(selector);
|
|---|
| 224 | ClusterSequenceAreaBase::_parabolic_pt_per_unit_area(
|
|---|
| 225 | a,b,selector, exclude_above, use_area_4vector);
|
|---|
| 226 | }
|
|---|
| 227 |
|
|---|
| [d7d2da3] | 228 | };
|
|---|
| 229 |
|
|---|
| 230 | //----------------------------------------------------------------------
|
|---|
| 231 | template<class L> void ClusterSequenceArea::initialize_and_run_cswa(
|
|---|
| 232 | const std::vector<L> & pseudojets,
|
|---|
| 233 | const JetDefinition & jet_def_in)
|
|---|
| 234 | {
|
|---|
| 235 |
|
|---|
| 236 | ClusterSequenceAreaBase * _area_base_ptr;
|
|---|
| 237 | switch(_area_def.area_type()) {
|
|---|
| 238 | case active_area:
|
|---|
| 239 | _area_base_ptr = new ClusterSequenceActiveArea(pseudojets,
|
|---|
| 240 | jet_def_in,
|
|---|
| 241 | _area_def.ghost_spec());
|
|---|
| 242 | break;
|
|---|
| 243 | case active_area_explicit_ghosts:
|
|---|
| 244 | if (_area_def.ghost_spec().repeat() != 1)
|
|---|
| 245 | _explicit_ghosts_repeats_warnings.warn("Requested active area with explicit ghosts with repeat != 1; only 1 set of ghosts will be used");
|
|---|
| 246 | _area_base_ptr = new ClusterSequenceActiveAreaExplicitGhosts(pseudojets,
|
|---|
| 247 | jet_def_in,
|
|---|
| 248 | _area_def.ghost_spec());
|
|---|
| 249 | break;
|
|---|
| 250 | case voronoi_area:
|
|---|
| 251 | _area_base_ptr = new ClusterSequenceVoronoiArea(pseudojets,
|
|---|
| 252 | jet_def_in,
|
|---|
| 253 | _area_def.voronoi_spec());
|
|---|
| 254 | break;
|
|---|
| 255 | case one_ghost_passive_area:
|
|---|
| 256 | _area_base_ptr = new ClusterSequence1GhostPassiveArea(pseudojets,
|
|---|
| 257 | jet_def_in,
|
|---|
| 258 | _area_def.ghost_spec());
|
|---|
| 259 | break;
|
|---|
| 260 | case passive_area:
|
|---|
| 261 | _area_base_ptr = new ClusterSequencePassiveArea(pseudojets,
|
|---|
| 262 | jet_def_in,
|
|---|
| 263 | _area_def.ghost_spec());
|
|---|
| 264 | break;
|
|---|
| 265 | default:
|
|---|
| [35cdc46] | 266 | std::ostringstream err;
|
|---|
| 267 | err << "Error: unrecognized area_type in ClusterSequenceArea:"
|
|---|
| 268 | << _area_def.area_type();
|
|---|
| 269 | throw Error(err.str());
|
|---|
| 270 | //exit(-1);
|
|---|
| [d7d2da3] | 271 | }
|
|---|
| 272 | // now copy across the information from the area base class
|
|---|
| [1d208a2] | 273 | _area_base = SharedPtr<ClusterSequenceAreaBase>(_area_base_ptr);
|
|---|
| [d7d2da3] | 274 | transfer_from_sequence(*_area_base);
|
|---|
| 275 | }
|
|---|
| 276 |
|
|---|
| 277 | FASTJET_END_NAMESPACE
|
|---|
| 278 |
|
|---|
| 279 | #endif // __FASTJET_CLUSTERSEQUENCEAREA_HH__
|
|---|
| 280 |
|
|---|
| 281 |
|
|---|
