CTPPSPixelTopology.h

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#ifndef Geometry_VeryForwardGeometry_CTPPSPixelTopology_h
#define Geometry_VeryForwardGeometry_CTPPSPixelTopology_h

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

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

    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