CSCLayer.h

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#ifndef Geometry_CSCGeometry_CSCLayer_H
#define Geometry_CSCGeometry_CSCLayer_H

#include <DataFormats/MuonDetId/interface/CSCDetId.h>

#include <Geometry/CommonDetUnit/interface/GeomDet.h>
#include <Geometry/CommonDetUnit/interface/GeomDetType.h>
#include <Geometry/CSCGeometry/interface/CSCLayerGeometry.h>
#include <Geometry/CSCGeometry/interface/CSCChamber.h>
#include <DataFormats/GeometryVector/interface/GlobalPoint.h>
#include <DataFormats/GeometrySurface/interface/BoundPlane.h>

//>
//typedef std::shared_ptr<CSCChamber> Pointer2Chamber;

class CSCLayer : public GeomDetUnit {
public:
  CSCLayer(const BoundPlane::BoundPlanePointer& sp, CSCDetId id, const CSCChamber* ch, const CSCLayerGeometry* geo)
      : GeomDetUnit(sp), theId(id), theChamber(ch), theGeometry(geo) {
    setDetId(id);
  }

  const GeomDetType& type() const override { return chamber()->type(); }

  const Topology& topology() const override { return *(geometry()->topology()); }

  CSCDetId id() const { return theId; }

  const CSCLayerGeometry* geometry() const { return theGeometry; }

  const CSCChamber* chamber() const { return theChamber; }

  GlobalPoint centerOfStrip(int strip) const;

  GlobalPoint centerOfWireGroup(int wireGroup) const;

private:
  CSCDetId theId;

  const CSCChamber* theChamber;  // NOT owned
  // Pointer2Chamber theChamber; // use a smart pointer instead

  // Local geometry is handled by the LayerGeometry
  // but only the Layer itself knows how to transform to the
  // global frame so global calculations are handled by the
  // Layer not the LayerGeometry.
  const CSCLayerGeometry* theGeometry;  // must have topology()
};

#endif  // Geometry_CSCGeometry_CSCLayer_H