DTTrigGeomUtils.h

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#ifndef DTTrigGeomUtils_H
#define DTTrigGeomUtils_H

/*
 * \file DTTrigGeomUtils.h
 *
 * \author C. Battilana - CIEMAT
 *
*/

#include "FWCore/Framework/interface/ESHandle.h"
#include "DataFormats/GeometryVector/interface/Pi.h"

#include <cmath>

class DTGeometry;
class DTRecSegment4D;
class DTChamberId;
class L1MuDTChambPhDigi;

class DTTrigGeomUtils {
public:
  DTTrigGeomUtils(edm::ESHandle<DTGeometry> muonGeom, bool dirInDeg = true);

  virtual ~DTTrigGeomUtils();

  void phiRange(const DTChamberId& id, float& min, float& max, int& nbins, float step = 15);

  void thetaRange(const DTChamberId& id, float& min, float& max, int& nbins, float step = 15);

  void computeSCCoordinates(const DTRecSegment4D* track, int& scsec, float& x, float& xdir, float& y, float& ydir);

  float trigPos(const L1MuDTChambPhDigi* trig);

  float trigDir(const L1MuDTChambPhDigi* trig);

  void trigToSeg(int st, float& x, float dir) { x -= tan(dir / radToDeg_) * zcn_[st - 1]; };

  bool hasPosRF(int wh, int sec) { return wh > 0 || (wh == 0 && sec % 4 > 1); };

private:
  edm::ESHandle<DTGeometry> muonGeom_;
  float zcn_[4];
  float radToDeg_;
  float xCenter_[2];  // 0=4/13 - 1=10/14
};

#endif

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