ForwardDetLayer.h

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#ifndef DetLayers_ForwardDetLayer_H
#define DetLayers_ForwardDetLayer_H

#include "TrackingTools/DetLayers/interface/DetLayer.h"
#include "DataFormats/GeometrySurface/interface/Surface.h"
#include "DataFormats/GeometrySurface/interface/ReferenceCounted.h"
#include "DataFormats/GeometrySurface/interface/BoundDisk.h"
#include "DataFormats/GeometrySurface/interface/SimpleDiskBounds.h"
#include "DataFormats/GeometrySurface/interface/SimpleCylinderBounds.h"

#include <vector>
#include <algorithm>

class ForwardDetLayer : public DetLayer {
public:
  ForwardDetLayer(bool doHaveGroups) : DetLayer(doHaveGroups, false) {}

  ~ForwardDetLayer() override;

  // GeometricSearchDet interface
  const BoundSurface& surface() const final { return *theDisk; }

  std::pair<bool, TrajectoryStateOnSurface> compatible(const TrajectoryStateOnSurface&,
                                                       const Propagator&,
                                                       const MeasurementEstimator&) const override;

  // DetLayer interface
  Location location() const final { return GeomDetEnumerators::endcap; }

  // Extension of the interface
  virtual const BoundDisk& specificSurface() const final { return *theDisk; }

  bool contains(const Local3DPoint& p) const;

protected:
  virtual void initialize();

  float rmin() const { return theDisk->innerRadius(); }
  float rmax() const { return theDisk->outerRadius(); }
  float zmin() const { return (theDisk->position().z() - bounds().thickness() * 0.5f); }
  float zmax() const { return (theDisk->position().z() + bounds().thickness() * 0.5f); }

  void setSurface(BoundDisk* cp);
  virtual BoundDisk* computeSurface();

  SimpleDiskBounds const& bounds() const { return static_cast<SimpleDiskBounds const&>(theDisk->bounds()); }

private:
  ReferenceCountingPointer<BoundDisk> theDisk;
};

#endif