TrackingTools/TrackRefitter/interface/RefitDirection.h - master - githubmirror/cmssw

TrackingTools/TrackRefitter/interface/RefitDirection.h

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03 июн 2019, 06:44

03 июн 2019, 06:447622cf3

#ifndef TrackingTools_TrackRefitter_RefitDirection_H
#define TrackingTools_TrackRefitter_RefitDirection_H

/** \class RefitDirection
 *  Help class in order to handle the different refit possibilities
 *
 *  \author R. Bellan - INFN Torino <riccardo.bellan@cern.ch>
 */

#include "DataFormats/TrajectorySeed/interface/PropagationDirection.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"

class RefitDirection {
public:
  enum GeometricalDirection { insideOut, outsideIn, undetermined };

  /// Constructor
  RefitDirection() {
    thePropagationDirection = anyDirection;
    theGeoDirection = undetermined;
  }

  explicit RefitDirection(std::string const& type) {
    thePropagationDirection = anyDirection;
    theGeoDirection = undetermined;

    if (type == "alongMomentum")
      thePropagationDirection = alongMomentum;
    else if (type == "oppositeToMomentum")
      thePropagationDirection = oppositeToMomentum;
    else if (type == "insideOut")
      theGeoDirection = insideOut;
    else if (type == "outsideIn")
      theGeoDirection = outsideIn;
    else
      throw cms::Exception("RefitDirection")
          << "Wrong refit direction chosen in TrackTransformer ParameterSet"
          << "\n"
          << "Possible choices are:"
          << "\n"
          << "RefitDirection = [alongMomentum, oppositeToMomentum, insideOut, outsideIn]";
  }

  // Operations
  inline GeometricalDirection geometricalDirection() const {
    if (theGeoDirection == undetermined)
      LogTrace("Reco|TrackingTools|TrackTransformer") << "Try to use undetermined geometrical direction";
    return theGeoDirection;
  }
  inline PropagationDirection propagationDirection() const {
    if (thePropagationDirection == anyDirection)
      LogTrace("Reco|TrackingTools|TrackTransformer") << "Try to use anyDirection as propagation direction";
    return thePropagationDirection;
  }

protected:
private:
  GeometricalDirection theGeoDirection;
  PropagationDirection thePropagationDirection;
};
#endif