CTPPSPixelTopology.h

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#ifndef Geometry_VeryForwardGeometry_CTPPSPixelTopology_h
#define Geometry_VeryForwardGeometry_CTPPSPixelTopology_h

#include "CondFormats/CTPPSReadoutObjects/interface/CTPPSPixelIndices.h"

class CTPPSPixelTopology {
public:
  CTPPSPixelTopology() = default;
  ~CTPPSPixelTopology() = default;

  static constexpr double pitch_simY_ = 150E-3;
  static constexpr double pitch_simX_ = 100E-3;
  static constexpr double thickness_ = 0.23;
  static constexpr unsigned short no_of_pixels_simX_ = 160;
  static constexpr unsigned short no_of_pixels_simY_ = 156;
  static constexpr unsigned short no_of_pixels_ = 160 * 156;
  static constexpr double simX_width_ = 16.6;
  static constexpr double simY_width_ = 24.4;
  static constexpr double dead_edge_width_ = 200E-3;
  static constexpr double active_edge_sigma_ = 0.02;
  static constexpr double phys_active_edge_dist_ = 0.150;

  inline double detPitchSimX() const { return pitch_simX_; }
  inline double detPitchSimY() const { return pitch_simY_; }
  inline double detThickness() const { return thickness_; }
  inline unsigned short detPixelSimXNo() const { return no_of_pixels_simX_; }
  inline unsigned short detPixelSimYNo() const { return no_of_pixels_simY_; }
  inline unsigned short detPixelNo() const { return no_of_pixels_; }
  inline double detXWidth() const { return simX_width_; }
  inline double detYWidth() const { return simY_width_; }
  inline double detDeadEdgeWidth() const { return dead_edge_width_; }
  inline double activeEdgeSigma() const { return active_edge_sigma_; }
  inline double physActiveEdgeDist() const { return phys_active_edge_dist_; }

  static bool isPixelHit(float xLocalCoordinate, float yLocalCoordinate, bool is3x2 = true) {
    // check hit fiducial boundaries
    double xModuleSize = 2 * ((no_of_pixels_simX_ / 2. + 1) * pitch_simX_ + dead_edge_width_);
    if (xLocalCoordinate < -xModuleSize / 2. || xLocalCoordinate > xModuleSize / 2.)
      return false;

    double yModuleSize = (no_of_pixels_simY_ + 4.) * pitch_simY_ + 2. * dead_edge_width_;
    double y2x2top = no_of_pixels_simY_ / 6. * pitch_simY_ + dead_edge_width_;
    if (is3x2 && (yLocalCoordinate < -yModuleSize / 2. || yLocalCoordinate > yModuleSize / 2.))
      return false;

    if (!is3x2 && (yLocalCoordinate < -yModuleSize / 2. || yLocalCoordinate > y2x2top))
      return false;

    return true;
  }

  CTPPSPixelIndices indices_;
};

#endif