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/****************************************************************************
*
* This is a part of TOTEM offline software.
* Authors:
* Jan Kašpar (jan.kaspar@gmail.com)
*
****************************************************************************/
#ifndef DataFormats_CTPPSReco_TotemRPUVPattern
#define DataFormats_CTPPSReco_TotemRPUVPattern
#include "DataFormats/Common/interface/DetSet.h"
#include "DataFormats/Common/interface/DetSetVector.h"
#include "DataFormats/CTPPSReco/interface/TotemRPRecHit.h"
/**
*\brief A linear pattern in U or V projection.
* The intercept b is taken at the middle of a RP:
* (geometry->GetRPDevice(RPId)->translation().z())
* The global coordinate system is used (wrt. the beam). This is the same convention
* as for the 1-RP track fits.
**/
class TotemRPUVPattern {
public:
enum ProjectionType { projInvalid, projU, projV };
TotemRPUVPattern() : projection_(projInvalid), a_(0.), b_(0.), w_(0.), fittable_(false) {}
ProjectionType projection() const { return projection_; }
void setProjection(ProjectionType type) { projection_ = type; }
double a() const { return a_; }
void setA(double a) { a_ = a; }
double b() const { return b_; }
void setB(double b) { b_ = b; }
double w() const { return w_; }
void setW(double w) { w_ = w; }
bool fittable() const { return fittable_; }
void setFittable(bool fittable) { fittable_ = fittable; }
void addHit(edm::det_id_type detId, const TotemRPRecHit &hit) { hits_.find_or_insert(detId).push_back(hit); }
const edm::DetSetVector<TotemRPRecHit> &hits() const { return hits_; }
friend bool operator<(const TotemRPUVPattern &l, const TotemRPUVPattern &r);
private:
ProjectionType projection_; ///< projection
double a_; ///< slope in rad
double b_; ///< intercept in mm
double w_; ///< weight
bool fittable_; ///< whether this pattern is worth including in track fits
edm::DetSetVector<TotemRPRecHit> hits_; ///< hits associated with the pattern
};
//----------------------------------------------------------------------------------------------------
extern bool operator<(const TotemRPUVPattern &l, const TotemRPUVPattern &r);
#endif
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