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48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
/*
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QQQDetector.h
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Class implementing geometry for QQQDetector where the detector is perpendicular to the beam axis.
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Detector is first generated centered on the x-axis (phi=0)
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Coordinate convention : +z is downstream, -z is upstream. +y is vertically up in the lab.
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*/
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#ifndef QQQDETECTOR_H
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#define QQQDETECTOR_H
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#include <TRandom3.h>
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#include <cmath>
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#include "Vec3.h"
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#include "Rotation.h"
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class QQQDetector {
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public:
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QQQDetector(double R_in, double R_out, double deltaPhi, double phiCentral, double z, double x=0, double y=0);
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~QQQDetector();
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inline Mask::Vec3 GetRingCoordinates(int ringch, int corner) { return m_ringCoords[ringch][corner]; };
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inline Mask::Vec3 GetWedgeCoordinates(int wedgech, int corner) { return m_wedgeCoords[wedgech][corner]; };
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Mask::Vec3 GetTrajectoryCoordinates(double theta, double phi);
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std::pair<int, int> GetTrajectoryRingWedge(double theta, double phi);
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Mask::Vec3 GetHitCoordinates(int ringch, int wedgech);
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inline int GetNumberOfRings() { return nrings; };
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inline int GetNumberOfWedges() { return nwedges; };
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private:
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inline bool CheckChannel(int ch) { return (ch >=0 && ch < nrings); };
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inline bool CheckCorner(int corner) { return (corner >=0 && corner < 4); };
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void CalculateCorners();
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Mask::Vec3 TransformCoordinates(Mask::Vec3& vector) { return m_ZRot*vector + m_translation; };
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double m_Rinner, m_Router, m_deltaR, m_deltaPhi, m_deltaPhi_per_wedge, m_phiCentral;
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std::vector<std::vector<Mask::Vec3>> m_ringCoords, m_wedgeCoords;
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Mask::Vec3 m_translation;
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Mask::ZRotation m_ZRot;
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static constexpr int nrings = 16;
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static constexpr int nwedges = 16;
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static constexpr double deg2rad = M_PI/180.0;
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};
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#endif |