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// Copyright (c) 2010-11, Pierre-Antoine Delsart, Kurtis Geerlings, Joey Huston,
// Brian Martin, and Christopher Vermilion
//
//----------------------------------------------------------------------
// This file is part of SpartyJet.
//
// SpartyJet is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
//
// SpartyJet is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with SpartyJet; if not, write to the Free Software
// Foundation, Inc.:
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//----------------------------------------------------------------------
#ifndef _EVENTSHAPE_HH_
#define _EVENTSHAPE_HH_
#include "JetTools/JetSelectorTool.hh"
#include "JetCore/JetAnalysis.hh"
/////////////////////////////////////////////////////////////////////////
/// \class ShapeConfig
/// A convenience class to configure event shape calculation
///
/// This is just an easy way of configuring a JetAnalysis that will compute
/// event shapes. One gives ShapeConfig some JetTool that compute some global
/// moments, then ShapeConfig returns a properly configured JetAnalysis.
/// For example :
///
/// eventshape::ShapeConfig shape;
/// eventshape::ThrustTool tt("Thrust");
/// shape.add_eventshape(&tt);
/// builder.add_eventshape_alg(shape.get_algo());
///
/// where builder is a JetBuilder instance.
/////////////////////////////////////////////////////////////////////////
namespace SpartyJet {
namespace eventshape {
enum shape_type {
// official spartyjet eventshape
THRUST = 1,
THRUST_PHI,
THRUST_MINOR,
// Reserve for user
USER_DEFINED = 1000,
//
UNKNOWN = 10000
};
class ShapeConfig {
public:
ShapeConfig(std::string name="EventShape");
void set_eta_range(double etamin, double etamax) {m_etaSelec.setCut(etamax); m_etaSelec.setCut2(etamin);}
void set_pt_cut(double ptmin) {m_ptSelec.setCut(ptmin);}
void add_eventshape(shape_type type);
void add_eventshape(JetTool* tool);
JetAnalysis* get_analysis() {return &m_analysis;};
protected:
std::string m_name;
JetEtaCentralSelectorTool m_etaSelec;
JetPtSelectorTool m_ptSelec;
JetAnalysis m_analysis;
};
};
} // namespace SpartyJet
#endif

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