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File indexing completed on 2021-02-14 14:27:49

0001 #ifndef MSLayer_H
0002 #define MSLayer_H
0003 #include "FWCore/Utilities/interface/Visibility.h"
0004 #include "TrackingTools/DetLayers/interface/DetLayer.h"
0005 #include "RecoTracker/TkMSParametrization/interface/PixelRecoPointRZ.h"
0006 #include "RecoTracker/TkMSParametrization/interface/PixelRecoLineRZ.h"
0007 #include "RecoTracker/TkMSParametrization/interface/PixelRecoRange.h"
0008 #include <iosfwd>
0009 
0010 class DetLayer;
0011 class MSLayersKeeper;
0012 
0013 class MSLayer {
0014 public:
0015   typedef PixelRecoRange<float> Range;
0016 
0017   struct DataX0 {
0018     DataX0(const MSLayersKeeper* al = nullptr) : hasX0(false), hasFSlope(false), allLayers(al) {}
0019     DataX0(float ax0, float asX0D, float aCotTheta)
0020         : hasX0(true),
0021           hasFSlope(false),
0022           x0(ax0),
0023           sumX0D(asX0D),
0024           cotTheta(aCotTheta),
0025           slopeSumX0D(0.),
0026           allLayers(nullptr) {}
0027     void setForwardSumX0DSlope(float aSlope) {
0028       hasFSlope = true;
0029       slopeSumX0D = aSlope;
0030     }
0031     bool hasX0, hasFSlope;
0032     float x0, sumX0D, cotTheta, slopeSumX0D;
0033     const MSLayersKeeper* allLayers;
0034   };
0035 
0036 public:
0037   MSLayer(const DetLayer* layer, const DataX0& dataX0 = DataX0(nullptr)) dso_hidden;
0038   MSLayer() {}
0039 
0040   MSLayer(GeomDetEnumerators::Location part,
0041           float position,
0042           Range range,
0043           float halfThickness = 0.,
0044           const DataX0& dataX0 = DataX0(nullptr)) dso_hidden;
0045 
0046   // sequential number to be used in "maps"
0047   int seqNum() const { return theSeqNum; }
0048   // void setSeqNum(int sq) { theSeqNum=sq;}
0049 
0050   const Range& range() const { return theRange; }
0051 
0052   const GeomDetEnumerators::Location& face() const { return theFace; }
0053   float position() const { return thePosition; }
0054   float halfThickness() const { return theHalfThickness; }
0055 
0056   float x0(float cotTheta) const dso_hidden;
0057   float sumX0D(float cotTheta) const dso_hidden;
0058 
0059   bool operator==(const MSLayer& o) const dso_hidden;
0060   bool operator<(const MSLayer& o) const dso_hidden;
0061 
0062   std::pair<PixelRecoPointRZ, bool> crossing(const PixelRecoLineRZ& line) const dso_hidden;
0063   std::pair<PixelRecoPointRZ, bool> crossing(const SimpleLineRZ& line) const dso_hidden;
0064 
0065   float distance2(const PixelRecoPointRZ& point) const dso_hidden;
0066 
0067 private:
0068   GeomDetEnumerators::Location theFace;
0069   float thePosition;
0070   Range theRange;
0071   float theHalfThickness;
0072   int theSeqNum;
0073 
0074   DataX0 theX0Data;
0075 
0076   friend class MSLayersKeeper;
0077   friend std::ostream& operator<<(std::ostream& s, const MSLayer& l);
0078 };
0079 
0080 std::ostream& operator<<(std::ostream& s, const MSLayer& l) dso_hidden;
0081 std::ostream& operator<<(std::ostream& s, const MSLayer::DataX0& d) dso_hidden;
0082 #endif