Geometry/CSCGeometry/src/CSCSlantedWireGeometry.h - master - githubmirror/cmssw

Geometry/CSCGeometry/src/CSCSlantedWireGeometry.h

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11 май 2019, 12:09

11 май 2019, 12:0902cea70

#ifndef CSC_SLANTED_WIRE_GEOMETRY_H
#define CSC_SLANTED_WIRE_GEOMETRY_H

/** \class CSCSlantedWireGeometry
 * A concrete CSCWireGeometry in which wires are slanted,
 * i.e. they have a fixed, non-zero angle w.r.t. local x axis.
 *
 * \author Tim Cox
 *
 */

#include "Geometry/CSCGeometry/interface/CSCWireGeometry.h"
#include "DataFormats/GeometryVector/interface/LocalPoint.h"

class CSCSlantedWireGeometry : public CSCWireGeometry {
public:
  ~CSCSlantedWireGeometry() override {}

  /**
   * Constructor from wire spacing and wire angle
   */
  CSCSlantedWireGeometry(
      double wireSpacing, double yOfFirstWire, double narrow, double wide, double length, float wireAngle);

  /**
   * The angle of the wires w.r.t local x axis (in radians)
   */
  float wireAngle() const override { return theWireAngle; }

  /**
   * The nearest (virtual) wire to a given LocalPoint.
   * Beware that this wire might not exist or be read out!
   */
  int nearestWire(const LocalPoint& lp) const override;

  /**
   * Local y of a given wire 'number' (float) at given x
   */
  float yOfWire(float wire, float x = 0.) const override;

  /**
   * Clone to handle correct copy of component objects referenced
   * by base class pointer.
   */
  CSCWireGeometry* clone() const override { return new CSCSlantedWireGeometry(*this); }

private:
  float theWireAngle;
  float cosWireAngle;
  float sinWireAngle;
  float theWireOffset;  // local y of first wire * cos(wire angle)
};

#endif