/*
 * CaloDedxVsBetaHistoAction.h
 *
 *  Created on: 03/ago/2009
 *      Author: Nicola Mori
 */

/*! @file CaloDedxVsBetaHistoAction.h The CaloDedxVsBetaHistoAction class declaration file. */

#ifndef CALODEDXVSBETAHISTOACTION_H_
#define CALODEDXVSBETAHISTOACTION_H_

#include "../CollectionAction/CollectionAction.h"
#include <TH2F.h>

/*! @brief An action that fills a CALO dE/dx Vs beta (from TOF) histogram. */
class CaloDedxVsBetaHistoAction: public CollectionAction {
public:

  /*! @brief Constructor.
   * *
   * @param actionName The action's name.
   * @param outFileName The output file name.
   * @param plane The plane from which dE/dx is retrieved (range: [0,21]).
   * @param view The view to use ( 0 = X, 1 = Y).
   * @param mode The mode of ROOT file creation (see documentation of TFile constructor
   *             in ROOT's reference guide).
   * @param minDedx The lower limit for dE/dx axis (in MIP).
   * @param maxDedx The upper limit for dE/dx axis (in MIP).
   * @param nBinsDedx The number of dE/dx bins.
   * @param minBeta The lower limit for beta axis.
   * @param maxBeta The upper limit for beta axis.
   * @param nBinsBeta The number of beta bins.
   */
  CaloDedxVsBetaHistoAction(const char *actionName, TString outFileName, unsigned int plane, unsigned int view, TString mode = "UPDATE",
      float minDedx = 0., float maxDedx = 50., unsigned int nBinsDedx = 100, float minBeta = 0., float maxBeta = 2.,
      unsigned int nBinsBeta = 100);

  /*! @brief Destructor. */
  ~CaloDedxVsBetaHistoAction() {
  }

  /*! @brief Fills histogram with the selected event.
   *
   * @param event The selected event.
   */
  void OnGood(PamLevel2 *event);

  /*! @brief Writes the histogram to the output ROOT file.*/
  void Finalize();

  /*! Returns the number of bad events.
   *
   *  Bad events are those events for which no valid dE/dx information (dE/dx > 0 && dE/dx < 4090)
   *  can be found for any layer.
   */
  /*unsigned int GetNBadEvents() {
    return _badEvents;
  }*/
private:

  TString _outFileName;
  unsigned int _plane;
  unsigned int _view;
  TH2F _histo;
  TString _mode;

};

#endif /* CALODEDXVSBETAHISTOACTION_H_ */