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70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
#ifndef __STRIP_DETECTOR_H
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#define __STRIP_DETECTOR_H
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// +z is along beam axis
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// +y is vertically "upward" in the lab frame
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//angles must be in radians, but distances can be whatever
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//PROVIDED all input distances are the same
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//Front strips from lowest y to highest y
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//Back strips from lowest z to highest z
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#include <cmath>
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#include <vector>
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#include <random>
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#include "Vec3.h"
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#include "Rotation.h"
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#include "RandomGenerator.h"
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class StripDetector {
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public:
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StripDetector(int ns, double len, double wid, double cphi, double cz, double crho);
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~StripDetector();
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inline Mask::Vec3 GetFrontStripCoordinates(int stripch, int corner) { return front_strip_coords[stripch][corner]; }
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inline Mask::Vec3 GetBackStripCoordinates(int stripch, int corner) { return back_strip_coords[stripch][corner]; }
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inline Mask::Vec3 GetRotatedFrontStripCoordinates(int stripch, int corner) { return rotated_front_strip_coords[stripch][corner]; }
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inline Mask::Vec3 GetRotatedBackStripCoordinates(int stripch, int corner) { return rotated_back_strip_coords[stripch][corner]; }
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inline Mask::Vec3 GetNormRotated() { return zRot*m_norm_unrot; }
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inline void TurnOnRandomizedCoordinates() { rndmFlag = true; }
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inline void TurnOffRandomizedCoordinates() { rndmFlag = false; }
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Mask::Vec3 GetHitCoordinates(int front_stripch, double front_strip_ratio);
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std::pair<int,double> GetChannelRatio(double theta, double phi);
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private:
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inline bool ValidChannel(int f) { return ((f >= 0 && f < num_strips) ? true : false); };
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inline bool ValidRatio(double r) { return ((r >= -1 && r <= 1) ? true : false); };
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void CalculateCorners();
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int num_strips;
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static constexpr int num_corners = 4;
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double length; //common to all strips, hence total
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double total_width;
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double front_strip_width; //assuming equal widths
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double back_strip_length; //assuming equal widths
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double center_phi; //assuming det centered above x-axis (corresponds to zero phi)
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double center_z;
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double center_rho; //perpendicular radius from axis
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std::vector<std::vector<Mask::Vec3>> front_strip_coords, back_strip_coords;
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std::vector<std::vector<Mask::Vec3>> rotated_front_strip_coords, rotated_back_strip_coords;
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Mask::Vec3 m_norm_unrot;
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Mask::ZRotation zRot;
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std::uniform_real_distribution<double> m_uniform_fraction;
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bool rndmFlag;
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};
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#endif
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