HGCalCell.h

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#ifndef Geometry_HGCalCommonData_HGCalCell_h
#define Geometry_HGCalCommonData_HGCalCell_h

#include <cmath>
#include <cstdint>

class HGCalCell {
public:
  HGCalCell(double waferSize, int32_t nFine, int32_t nCoarse);

  static constexpr int32_t cellPlacementIndex0 = 0;
  static constexpr int32_t cellPlacementIndex1 = 1;
  static constexpr int32_t cellPlacementIndex2 = 2;
  static constexpr int32_t cellPlacementIndex3 = 3;
  static constexpr int32_t cellPlacementIndex4 = 4;
  static constexpr int32_t cellPlacementIndex5 = 5;
  static constexpr int32_t cellPlacementIndex6 = 6;
  static constexpr int32_t cellPlacementIndex7 = 7;
  static constexpr int32_t cellPlacementIndex8 = 8;
  static constexpr int32_t cellPlacementIndex9 = 9;
  static constexpr int32_t cellPlacementIndex10 = 10;
  static constexpr int32_t cellPlacementIndex11 = 11;

  static constexpr int32_t cellPlacementExtra = 6;
  static constexpr int32_t cellPlacementOld = 7;
  static constexpr int32_t cellPlacementTotal = 12;

  static constexpr int32_t fullCell = 0;
  static constexpr int32_t cornerCell = 1;
  static constexpr int32_t truncatedCell = 2;
  static constexpr int32_t extendedCell = 3;
  static constexpr int32_t truncatedMBCell = 4;
  static constexpr int32_t extendedMBCell = 5;
  static constexpr int32_t fullWaferCellsCount = 6;

  static constexpr int32_t halfCell = 11;
  static constexpr int32_t halfTrunCell = 12;
  static constexpr int32_t halfExtCell = 13;
  static constexpr int32_t partiaclWaferCellsOffset = 11;

  static constexpr int32_t LDPartial0714Cell = 14;
  static constexpr int32_t LDPartial0209Cell = 15;
  static constexpr int32_t LDPartial0007Cell = 16;
  static constexpr int32_t LDPartial0815Cell = 17;
  static constexpr int32_t LDPartial1415Cell = 18;
  static constexpr int32_t LDPartial1515Cell = 19;

  static constexpr int32_t HDPartial0920Cell = 20;
  static constexpr int32_t HDPartial1021Cell = 21;

  static constexpr int32_t undefinedCell = -1;
  static constexpr int32_t centralCell = 0;
  static constexpr int32_t bottomLeftEdge = 1;
  static constexpr int32_t leftEdge = 2;
  static constexpr int32_t topLeftEdge = 3;
  static constexpr int32_t topRightEdge = 4;
  static constexpr int32_t rightEdge = 5;
  static constexpr int32_t bottomRightEdge = 6;
  static constexpr int32_t bottomCorner = 11;
  static constexpr int32_t bottomLeftCorner = 12;
  static constexpr int32_t topLeftCorner = 13;
  static constexpr int32_t topCorner = 14;
  static constexpr int32_t topRightCorner = 15;
  static constexpr int32_t bottomRightCorner = 16;

  static constexpr int32_t leftCell = 21;
  static constexpr int32_t rightCell = 22;
  static constexpr int32_t topCell = 23;
  static constexpr int32_t bottomCell = 24;
  static constexpr int32_t partiaclCellsPosOffset = 21;

  std::pair<double, double> cellUV2XY1(int32_t u, int32_t v, int32_t placementIndex, int32_t type);
  std::pair<double, double> cellUV2XY2(int32_t u, int32_t v, int32_t placementIndex, int32_t type);
  // Get cell type and orientation index
  std::pair<int32_t, int32_t> cellUV2Cell(int32_t u, int32_t v, int32_t placementIndex, int32_t type);
  // Get the placement index from zside, front-back tag, orientation flag
  static int32_t cellPlacementIndex(int32_t iz, int32_t frontBack, int32_t orient);
  // Get the orientation flag and front-back tag from placement index
  static std::pair<int32_t, int32_t> cellOrient(int32_t placementIndex);
  // Get cell type and position in the list
  static std::pair<int32_t, int32_t> cellType(int32_t u, int32_t v, int32_t ncell, int32_t placementIndex);
  static std::pair<int32_t, int32_t> cellType(
      int32_t u, int32_t v, int32_t ncell, int32_t placementIndex, int32_t partialType);

private:
  const double sqrt3By2_ = (0.5 * std::sqrt(3.0));
  int32_t ncell_[2];
  double cellX_[2], cellY_[2];
};

#endif