HGCalTriggerDetId.h

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#ifndef DataFormats_ForwardDetId_HGCalTriggerDetId_H
#define DataFormats_ForwardDetId_HGCalTriggerDetId_H 1

#include <iosfwd>
#include <vector>
#include "DataFormats/DetId/interface/DetId.h"
#include "DataFormats/ForwardDetId/interface/ForwardSubdetector.h"
#include "DataFormats/ForwardDetId/interface/HGCSiliconDetId.h"

/* \brief description of the bit assigment
   [0:3]   u-coordinate of the cell (measured from the lower left
   [4:7]   v-coordinate of the cell  corner of the wafer)
   [8:11]  abs(u) of the wafer (u-axis points along -x axis)
   [12:12] sign of u (0:+u; 1:-u) (u=0 is at the center of beam line)
   [13:16] abs(v) of the wafer (v-axis points 60-degree wrt x-axis)
   [17:17] sign of v (0:+v; 1:-v) (v=0 is at the center of beam line)
   [18:22] layer number 
   [23:24] Type (0 fine divisions of wafer with 120 mum thick silicon
                 1 coarse divisions of wafer with 200 mum thick silicon
                 2 coarse divisions of wafer with 300 mum thick silicon)
   [25:26] Subdetector Type (HGCalEETrigger/HGCalHSiTrigger)
   [27:27] z-side (0 for +z; 1 for -z)
   [28:31] Detector type (HGCalTrigger)
*/

class HGCalTriggerDetId : public DetId {

public:
  
  static const int HGCalTriggerCell  =4;
  
  HGCalTriggerDetId();
  HGCalTriggerDetId(uint32_t rawid);
  HGCalTriggerDetId(int subdet, int zp, int type, int layer, 
            int waferU, int waferV, int cellU, int cellV);
  HGCalTriggerDetId(const DetId& id);
  HGCalTriggerDetId& operator=(const DetId& id);
  
  HGCalTriggerSubdetector subdet() const { 
    return (HGCalTriggerSubdetector)((id_>>kHGCalSubdetOffset)&kHGCalSubdetMask); }

  int type() const { return (id_>>kHGCalTypeOffset)&kHGCalTypeMask; }

  int zside() const { return (((id_>>kHGCalZsideOffset) & kHGCalZsideMask) ? -1 : 1); }

  int layer() const { return (id_>>kHGCalLayerOffset)&kHGCalLayerMask; }

  int triggerCellU() const { return (id_>>kHGCalCellUOffset)&kHGCalCellUMask; }
  int triggerCellV() const { return (id_>>kHGCalCellVOffset)&kHGCalCellVMask; }
  std::pair<int,int> triggerCellUV() const { 
    return std::pair<int,int>(triggerCellU(),triggerCellV()); }
  int triggerCellX() const;
  int triggerCellY() const;
  std::pair<int,int> triggerCellXY() const { 
    return std::pair<int,int>(triggerCellX(),triggerCellY()); }

  int waferUAbs() const { return (id_>>kHGCalWaferUOffset)&kHGCalWaferUMask; }
  int waferVAbs() const { return (id_>>kHGCalWaferVOffset)&kHGCalWaferVMask; }
  int waferU() const { return (((id_>>kHGCalWaferUSignOffset) & kHGCalWaferUSignMask) ? -waferUAbs() : waferUAbs()); }
  int waferV() const { return (((id_>>kHGCalWaferVSignOffset) & kHGCalWaferVSignMask) ? -waferVAbs() : waferVAbs()); }
  std::pair<int,int> waferUV() const { return std::pair<int,int>(waferU(),waferV()); }
  int waferX() const { return (-2*waferU()+waferV()); }
  int waferY() const { return (2*waferV()); }
  std::pair<int,int> waferXY() const { return std::pair<int,int>(waferX(),waferY()); }

  // get trigger cell u,v
  std::vector<int> cellU() const;
  std::vector<int> cellV() const;
  std::vector<std::pair<int,int> > cellUV() const;

  bool isEE()       const { return (subdet() == HGCalEETrigger); }
  bool isHSilicon() const { return (subdet() == HGCalHSiTrigger); }
  bool isForward()  const { return true; }
  
  static const HGCalTriggerDetId Undefined;

  private:

  static const int kHGCalCellUOffset      = 0;
  static const int kHGCalCellUMask        = 0xF;
  static const int kHGCalCellVOffset      = 4;
  static const int kHGCalCellVMask        = 0xF;
  static const int kHGCalWaferUOffset     = 8;
  static const int kHGCalWaferUMask       = 0xF;
  static const int kHGCalWaferUSignOffset = 12;
  static const int kHGCalWaferUSignMask   = 0x1;
  static const int kHGCalWaferVOffset     = 13;
  static const int kHGCalWaferVMask       = 0xF;
  static const int kHGCalWaferVSignOffset = 17;
  static const int kHGCalWaferVSignMask   = 0x1;
  static const int kHGCalLayerOffset      = 18;
  static const int kHGCalLayerMask        = 0x1F;
  static const int kHGCalTypeOffset       = 23;
  static const int kHGCalTypeMask         = 0x3;
  static const int kHGCalZsideOffset      = 27;
  static const int kHGCalZsideMask        = 0x1;
  static const int kHGCalSubdetOffset     = 25;
  static const int kHGCalSubdetMask       = 0x3;
};
  
std::ostream& operator<<(std::ostream&,const HGCalTriggerDetId& id);

#endif