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File indexing completed on 2021-02-14 12:53:21

0001 #ifndef DataFormats_ForwardDetId_HGCalTriggerDetId_H
0002 #define DataFormats_ForwardDetId_HGCalTriggerDetId_H 1
0003 
0004 #include <iosfwd>
0005 #include <vector>
0006 #include "DataFormats/DetId/interface/DetId.h"
0007 #include "DataFormats/ForwardDetId/interface/ForwardSubdetector.h"
0008 #include "DataFormats/ForwardDetId/interface/HGCSiliconDetId.h"
0009 
0010 /* \brief description of the bit assigment
0011    [0:3]   u-coordinate of the cell (measured from the lower left
0012    [4:7]   v-coordinate of the cell  corner of the wafer)
0013    [8:11]  abs(u) of the wafer (u-axis points along -x axis)
0014    [12:12] sign of u (0:+u; 1:-u) (u=0 is at the center of beam line)
0015    [13:16] abs(v) of the wafer (v-axis points 60-degree wrt x-axis)
0016    [17:17] sign of v (0:+v; 1:-v) (v=0 is at the center of beam line)
0017    [18:22] layer number 
0018    [23:24] Type (0 fine divisions of wafer with 120 mum thick silicon
0019                  1 coarse divisions of wafer with 200 mum thick silicon
0020                  2 coarse divisions of wafer with 300 mum thick silicon)
0021    [25:26] Subdetector Type (HGCalEETrigger/HGCalHSiTrigger)
0022    [27:27] z-side (0 for +z; 1 for -z)
0023    [28:31] Detector type (HGCalTrigger)
0024 */
0025 
0026 class HGCalTriggerDetId : public DetId {
0027 public:
0028   static const int HGCalTriggerCell = 4;
0029 
0030   /** Create a null cellid*/
0031   HGCalTriggerDetId();
0032   /** Create cellid from raw id (0=invalid tower id) */
0033   HGCalTriggerDetId(uint32_t rawid);
0034   /** Constructor from subdetector, zplus, layer, module, cell numbers */
0035   HGCalTriggerDetId(int subdet, int zp, int type, int layer, int waferU, int waferV, int cellU, int cellV);
0036   /** Constructor from a generic cell id */
0037   HGCalTriggerDetId(const DetId& id);
0038   /** Assignment from a generic cell id */
0039   HGCalTriggerDetId& operator=(const DetId& id);
0040 
0041   /// get the subdetector
0042   HGCalTriggerSubdetector subdet() const {
0043     return (HGCalTriggerSubdetector)((id_ >> kHGCalSubdetOffset) & kHGCalSubdetMask);
0044   }
0045 
0046   /// get the type
0047   int type() const { return (id_ >> kHGCalTypeOffset) & kHGCalTypeMask; }
0048 
0049   /// get the z-side of the cell (1/-1)
0050   int zside() const { return (((id_ >> kHGCalZsideOffset) & kHGCalZsideMask) ? -1 : 1); }
0051 
0052   /// get the layer #
0053   int layer() const { return (id_ >> kHGCalLayerOffset) & kHGCalLayerMask; }
0054 
0055   /** Converter for a geometry cell id */
0056   HGCSiliconDetId geometryCell() const { return HGCSiliconDetId(det(), zside(), 0, layer(), waferU(), waferV(), 0, 0); }
0057   HGCSiliconDetId moduleId() const {
0058     return HGCSiliconDetId(det(), zside(), type(), layer(), waferU(), waferV(), 0, 0);
0059   }
0060 
0061   /// get the cell #'s in u,v or in x,y
0062   int triggerCellU() const { return (id_ >> kHGCalCellUOffset) & kHGCalCellUMask; }
0063   int triggerCellV() const { return (id_ >> kHGCalCellVOffset) & kHGCalCellVMask; }
0064   std::pair<int, int> triggerCellUV() const { return std::pair<int, int>(triggerCellU(), triggerCellV()); }
0065   int triggerCellX() const;
0066   int triggerCellY() const;
0067   std::pair<int, int> triggerCellXY() const { return std::pair<int, int>(triggerCellX(), triggerCellY()); }
0068 
0069   /// get the wafer #'s in u,v or in x,y
0070   int waferUAbs() const { return (id_ >> kHGCalWaferUOffset) & kHGCalWaferUMask; }
0071   int waferVAbs() const { return (id_ >> kHGCalWaferVOffset) & kHGCalWaferVMask; }
0072   int waferU() const { return (((id_ >> kHGCalWaferUSignOffset) & kHGCalWaferUSignMask) ? -waferUAbs() : waferUAbs()); }
0073   int waferV() const { return (((id_ >> kHGCalWaferVSignOffset) & kHGCalWaferVSignMask) ? -waferVAbs() : waferVAbs()); }
0074   std::pair<int, int> waferUV() const { return std::pair<int, int>(waferU(), waferV()); }
0075   int waferX() const { return (-2 * waferU() + waferV()); }
0076   int waferY() const { return (2 * waferV()); }
0077   std::pair<int, int> waferXY() const { return std::pair<int, int>(waferX(), waferY()); }
0078 
0079   // get trigger cell u,v
0080   std::vector<int> cellU() const;
0081   std::vector<int> cellV() const;
0082   std::vector<std::pair<int, int> > cellUV() const;
0083 
0084   /// consistency check : no bits left => no overhead
0085   bool isEE() const { return (subdet() == HGCalEETrigger); }
0086   bool isHSilicon() const { return (subdet() == HGCalHSiTrigger); }
0087   bool isForward() const { return true; }
0088 
0089   static const HGCalTriggerDetId Undefined;
0090 
0091   static const int kHGCalCellUOffset = 0;
0092   static const int kHGCalCellUMask = 0xF;
0093   static const int kHGCalCellVOffset = 4;
0094   static const int kHGCalCellVMask = 0xF;
0095   static const int kHGCalWaferUOffset = 8;
0096   static const int kHGCalWaferUMask = 0xF;
0097   static const int kHGCalWaferUSignOffset = 12;
0098   static const int kHGCalWaferUSignMask = 0x1;
0099   static const int kHGCalWaferVOffset = 13;
0100   static const int kHGCalWaferVMask = 0xF;
0101   static const int kHGCalWaferVSignOffset = 17;
0102   static const int kHGCalWaferVSignMask = 0x1;
0103   static const int kHGCalLayerOffset = 18;
0104   static const int kHGCalLayerMask = 0x1F;
0105   static const int kHGCalTypeOffset = 23;
0106   static const int kHGCalTypeMask = 0x3;
0107   static const int kHGCalZsideOffset = 27;
0108   static const int kHGCalZsideMask = 0x1;
0109   static const int kHGCalSubdetOffset = 25;
0110   static const int kHGCalSubdetMask = 0x3;
0111 };
0112 
0113 std::ostream& operator<<(std::ostream&, const HGCalTriggerDetId& id);
0114 
0115 #endif