JetWidthTool.h

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/
 
// JetWidthTool.h
 
#ifndef JetMomentTools_JetWidthTool_H
#define JetMomentTools_JetWidthTool_H

 
#include "JetInterface/IJetDecorator.h"
#include "AsgTools/AsgTool.h"
#include "AsgTools/PropertyWrapper.h"
#include "AsgTools/ToolHandle.h"
#include "AsgDataHandles/WriteDecorHandleKey.h"
 
#include "PFlowUtils/IWeightPFOTool.h"
 
class JetWidthTool : public asg::AsgTool,
                     virtual public IJetDecorator {
  ASG_TOOL_CLASS(JetWidthTool, IJetDecorator)
 
public:
 
  // Constructor from tool name.
  JetWidthTool(const std::string& myname);
 
  virtual StatusCode initialize() override;
 
  // Inherited method to decorate a jet container.
  // Calls width and puts the result on the jets.
  virtual StatusCode decorate(const xAOD::JetContainer& jets) const override;
 
  // Local method to calculate and return the width.
  float width(const xAOD::Jet& jet, float& widthEta, float& widthPhi) const;
 
private:
 
  Gaudi::Property<std::string> m_jetContainerName{this, "JetContainer", "",
      "SG key for the input jet container"};
 
  SG::WriteDecorHandleKey<xAOD::JetContainer> m_widthKey{this, "WidthKey", "Width",
      "SG key for width decoration (not including jet container name)"};
  SG::WriteDecorHandleKey<xAOD::JetContainer> m_widthPhiKey{this, "WidthPhiKey", "WidthPhi",
      "SG key for width phi decoration (not including jet container name)"};
};
 
#endif