Vignesh Sitaraman
8c2657255c
new file: Armory/SX3Geom.h modified: MakeVertex.C renamed: sx3cal/sx3cal/EXFit.C -> sx3cal/EXFit.C renamed: sx3cal/sx3cal/LRFit.C -> sx3cal/LRFit.C renamed: sx3cal/sx3cal/backgains.dat -> sx3cal/backgains.dat renamed: sx3cal/sx3cal/backgains.dat.unity -> sx3cal/backgains.dat.unity renamed: sx3cal/sx3cal/frontgains.dat -> sx3cal/frontgains.dat renamed: sx3cal/sx3cal/frontgains.dat.unity -> sx3cal/frontgains.dat.unity renamed: sx3cal/sx3cal/rightgains.dat -> sx3cal/rightgains.dat renamed: sx3cal/sx3cal/rightgains.dat.unity -> sx3cal/rightgains.dat.unity
491 lines
18 KiB
C++
Executable File
491 lines
18 KiB
C++
Executable File
#ifndef ClassPW_h
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#define ClassPW_h
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#include <cstdio>
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#include <iostream>
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#include <TMath.h>
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#include <TVector3.h>
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#include <TRandom.h>
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struct PWHitInfo
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{
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std::pair<short, short> nearestWire; // anode, cathode
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std::pair<double, double> nearestDist; // anode, cathode
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std::pair<short, short> nextNearestWire; // anode, cathode
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std::pair<double, double> nextNearestDist; // anode, cathode
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void Clear()
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{
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nearestWire.first = -1;
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nearestWire.second = -1;
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nearestDist.first = 999999999;
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nearestDist.second = 999999999;
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nextNearestWire.first = -1;
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nextNearestWire.second = -1;
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nextNearestDist.first = 999999999;
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nextNearestDist.second = 999999999;
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}
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};
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struct Coord
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{
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float x, y, z;
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Coord() : x(0), y(0), z(0) {}
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Coord(const TVector3 &vec)
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{
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x = vec.X(); // TVector3's X() returns the x-coordinate
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y = vec.Y(); // TVector3's Y() returns the y-coordinate
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z = vec.Z(); // TVector3's Z() returns the z-coordinate
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}
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};
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//! ########################################################
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class PW
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{ // proportional wire
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public:
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PW() { ClearHitInfo(); };
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~PW() {};
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PWHitInfo GetHitInfo() const { return hitInfo; }
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std::pair<short, short> GetNearestID() const { return hitInfo.nearestWire; }
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std::pair<double, double> GetNearestDistance() const { return hitInfo.nearestDist; }
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std::pair<short, short> Get2ndNearestID() const { return hitInfo.nextNearestWire; }
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std::pair<double, double> Get2ndNearestDistance() const { return hitInfo.nextNearestDist; }
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std::vector<std::pair<TVector3, TVector3>> An; // the anode wire position vector in space
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std::vector<std::pair<TVector3, TVector3>> Ca; // the cathode wire position vector in space
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TVector3 GetTrackPos() const { return trackPos; }
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TVector3 GetTrackVec() const { return trackVec; }
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double GetTrackTheta() const { return trackVec.Theta(); }
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double GetTrackPhi() const { return trackVec.Phi(); }
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double GetZ0();
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inline std::tuple<std::pair<TVector3, TVector3>, double, double, double> GetPseudoWire(const std::vector<std::tuple<int,double,double>>& cluster, std::string type);
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inline std::tuple<TVector3,double,double,double,double,double,double,double>
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FindCrossoverProperties(const std::vector<std::tuple<int,double,double>>& a_cluster, const std::vector<std::tuple<int,double,double>>& c_cluster);
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inline std::vector<std::vector<std::tuple<int,double,double>>>
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Make_Clusters(std::unordered_map<int,std::tuple<int,double,double>> wireEvents);
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int GetNumWire() const { return nWire; }
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double GetDeltaAngle() const { return dAngle; }
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double GetAnodeLength() const { return anodeLength; }
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double GetCathodeLength() const { return cathodeLength; }
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TVector3 GetAnodeDn(short id) const { return An[id].first; }
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TVector3 GetAnodeUp(short id) const { return An[id].second; }
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TVector3 GetCathodeDn(short id) const { return Ca[id].first; }
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TVector3 GetCathodeUp(short id) const { return Ca[id].second; }
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TVector3 GetAnodneMid(short id) const { return (An[id].first + An[id].second) * 0.5; }
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double GetAnodeTheta(short id) const { return (An[id].first - An[id].second).Theta(); }
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double GetAnodePhi(short id) const { return (An[id].first - An[id].second).Phi(); }
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TVector3 GetCathodneMid(short id) const { return (Ca[id].first + Ca[id].second) * 0.5; }
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double GetCathodeTheta(short id) const { return (Ca[id].first - Ca[id].second).Theta(); }
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double GetCathodePhi(short id) const { return (Ca[id].first - Ca[id].second).Phi(); }
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void ClearHitInfo();
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void ConstructGeo();
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void FindWireID(TVector3 pos, TVector3 direction, bool verbose = false);
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void CalTrack(TVector3 sx3Pos, int anodeID, int cathodeID, bool verbose = false);
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void CalTrack2(TVector3 sx3Pos, TVector3 anodeInt, bool verbose = false);
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void Print()
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{
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printf(" The nearest | Anode: %2d(%5.2f) Cathode: %2d(%5.2f)\n", hitInfo.nearestWire.first,
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hitInfo.nearestDist.first,
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hitInfo.nearestWire.second,
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hitInfo.nearestDist.second);
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printf(" The 2nd nearest | Anode: %2d(%5.2f) Cathode: %2d(%5.2f)\n", hitInfo.nextNearestWire.first,
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hitInfo.nextNearestDist.first,
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hitInfo.nextNearestWire.second,
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hitInfo.nextNearestDist.second);
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}
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private:
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PWHitInfo hitInfo;
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TVector3 trackPos;
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TVector3 trackVec;
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const int nWire = 24;
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const int wireShift = 3;
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//const float zLen = 380; // mm
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const float zLen = 348.6; // mm
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const float radiusA = 37;
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const float radiusC = 43;
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double dAngle;
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double anodeLength;
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double cathodeLength;
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// std::vector<std::pair<TVector3, TVector3>> An; // the anode wire position vector in space
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// std::vector<std::pair<TVector3, TVector3>> Ca; // the cathode wire position vector in space
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double Distance(TVector3 a1, TVector3 a2, TVector3 b1, TVector3 b2)
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{
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TVector3 na = a1 - a2;
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TVector3 nb = b1 - b2;
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TVector3 nd = (na.Cross(nb)).Unit();
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return TMath::Abs(nd.Dot(a1 - b2));
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}
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};
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inline void PW::ClearHitInfo()
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{
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hitInfo.Clear();
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}
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inline void PW::ConstructGeo()
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{
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An.clear();
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Ca.clear();
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std::pair<TVector3, TVector3> p1; // anode
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std::pair<TVector3, TVector3> q1; // cathode
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// anode and cathode start at pos-Y axis and count in right-Hand
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// anode wire shift is right-hand.
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// cathode wire shift is left-hand.
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for (int i = 0; i < nWire; i++)
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{
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// Anode rotate right-hand
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p1.first.SetXYZ(radiusA * TMath::Cos(TMath::TwoPi() / nWire * (i) + TMath::PiOver2()),
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radiusA * TMath::Sin(TMath::TwoPi() / nWire * (i) + TMath::PiOver2()),
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zLen / 2);
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p1.second.SetXYZ(radiusA * TMath::Cos(TMath::TwoPi() / nWire * (i + wireShift) + TMath::PiOver2()),
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radiusA * TMath::Sin(TMath::TwoPi() / nWire * (i + wireShift) + TMath::PiOver2()),
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-zLen / 2);
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An.push_back(p1);
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// Cathod rotate left-hand with the 3 wire offset accounted for (+1 from the calculated offset from the PC coincidence spectrum)
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q1.first.SetXYZ(radiusC * TMath::Cos(TMath::TwoPi() / nWire * (i + wireShift + 1) + TMath::PiOver2()),
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radiusC * TMath::Sin(TMath::TwoPi() / nWire * (i + wireShift + 1) + TMath::PiOver2()),
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zLen / 2);
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q1.second.SetXYZ(radiusC * TMath::Cos(TMath::TwoPi() / nWire * (i + 1) + TMath::PiOver2()),
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radiusC * TMath::Sin(TMath::TwoPi() / nWire * (i + 1) + TMath::PiOver2()),
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-zLen / 2);
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Ca.push_back(q1);
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}
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// correcting for the fact that the order of the cathode wires is reversed
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std::reverse(Ca.begin(), Ca.end());
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// adjusting for the 3 wire offset, the rbegin and rend are used as the rotation of the wires is done in the opposite direction i.e. 1,2,3 -> 3,1,2
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// NOT NECESSARY ANY MORE, HAS BEEN IMCORPORATED INTO THE WIREOFFSET IN THE BEGINNING
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// std::rotate(Ca.rbegin(), Ca.rbegin() + 4, Ca.rend());
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dAngle = wireShift * TMath::TwoPi() / nWire;
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anodeLength = TMath::Sqrt(zLen * zLen + TMath::Power(2 * radiusA * TMath::Sin(dAngle / 2), 2));
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cathodeLength = TMath::Sqrt(zLen * zLen + TMath::Power(2 * radiusC * TMath::Sin(dAngle / 2), 2)); //chord length subtending an angle alpha is 2rsin(alpha/2)
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}
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inline std::vector<std::vector<std::tuple<int,double,double>>>
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PW::Make_Clusters(std::unordered_map<int,std::tuple<int,double,double>> wireEvents) {
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std::vector<std::vector<std::tuple<int,double,double>>> wireClusters;
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std::vector<std::tuple<int,double,double>> wireCluster;
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//TODO: Write a macro once, call it twice
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int wirecount=0;
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while(wirecount < 24) {
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if(wireEvents.find(wirecount)==wireEvents.end()) {
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wirecount++;
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continue;
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}
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wireCluster.clear();
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int ctr2=wirecount;
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do {
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wireCluster.emplace_back(wireEvents[ctr2]);
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ctr2+=1;
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if(ctr2==24 || ctr2-wirecount == 7) break; //loose logic, needs to be looked at.
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} while(wireEvents.find(ctr2)!=wireEvents.end());
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wireClusters.push_back(std::move(wireCluster));
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wirecount = ctr2; //we already dealt with wires until the last value of ctr2
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}
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if(wireClusters.size() > 1) { //Deal with wraparound if required
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auto first_cluster = wireClusters.front(); //front and back provide references to the elements themselves. less copy, can modify etc
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auto last_cluster = wireClusters.back();
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if(std::get<0>(last_cluster.back())==23 && std::get<0>(first_cluster.front())==0) {
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last_cluster.insert(last_cluster.end(),first_cluster.begin(),first_cluster.end());
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}
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wireClusters.erase(wireClusters.begin()); //canonically, erase() needs an iterator, hence begin() not front()
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//TODO: Can also deal with 'gaps' of missing wires similarly. end of one segment and beginning of another segment will be separated by missing wire --> combine the two
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//TODO: Also needs some development regarding the time-correlation. Don't put wires in the same cluster if they aren't time coincident
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}
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return wireClusters;
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/*if(aClusters.size()>1 || cClusters.size() > 1) {
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std::cout << " ============== " << std::endl;
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}
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if(aClusters.size()>1 && cClusters.size() >=1) {
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std::cout << aClusters.size() << " new anode clusters ----> " << std::endl;
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int cc=1;
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for(auto ac : aClusters) {
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std::cout << " Cluster " << cc << std::endl;
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double first_ts = std::get<2>(ac.at(0));
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for(auto item : ac) {
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std::cout << " \t" << std::get<0>(item) << " " << std::get<1>(item) << " " << std::get<2>(item)-first_ts << std::endl;
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}
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std::cout << " ------" << std::endl;
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cc++;
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}
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}
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if(cClusters.size()>=1 ) {
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std::cout << cClusters.size() << " new cathode clusters ----> " << std::endl;
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int cc=1;
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for(auto ac : cClusters) {
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std::cout << " Cluster " << cc << std::endl;
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double first_ts = std::get<2>(ac.at(0));
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for(auto item : ac) {
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std::cout << " \t" << std::get<0>(item) << " " << std::get<1>(item) << " " << std::get<2>(item)-first_ts << std::endl;
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}
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std::cout << " ------" << std::endl;
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cc++;
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}
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} */
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}
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inline std::tuple<std::pair<TVector3, TVector3>, double, double, double>
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PW::GetPseudoWire(const std::vector<std::tuple<int,double,double>>& cluster, std::string type) {
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std::pair<TVector3,TVector3> avgvec = std::pair(TVector3(0,0,0),TVector3(0,0,0));
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double sumEnergy = 0;
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double maxEnergy = 0;
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double tsMaxEnergy = 0;
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if(type=="ANODE") {
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//if(cluster.size()>1) std::cout << " -------anodes" << std::endl;
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for( auto wire : cluster) {
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avgvec.first += std::get<1>(wire)*TVector3(An.at(std::get<0>(wire)).first.X(), An.at(std::get<0>(wire)).first.Y(), 0) ;
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avgvec.second += std::get<1>(wire)*TVector3(An.at(std::get<0>(wire)).second.X(), An.at(std::get<0>(wire)).second.Y(), 0);
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sumEnergy += std::get<1>(wire);
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if(std::get<1>(wire) > maxEnergy) {
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maxEnergy = std::get<1>(wire);
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tsMaxEnergy = std::get<2>(wire);
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}
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/*if(cluster.size()>1) {
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std::cout << "\t\t ch:" << std::get<0>(wire) << " " << std::get<1>(wire) << " " << std::get<2>(wire) << std::endl;
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std::cout << "\t\t w1(r,phi,z):" << An.at(std::get<0>(wire)).first.Perp() << " " << An.at(std::get<0>(wire)).first.Phi()*180/M_PI << " " << An.at(std::get<0>(wire)).first.Z() << std::endl;
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std::cout << "\t\t w2(r,phi,z):" << An.at(std::get<0>(wire)).second.Perp() << " " << An.at(std::get<0>(wire)).second.Phi()*180/M_PI << " " << An.at(std::get<0>(wire)).second.Z() << std::endl;
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}*/
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}
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avgvec.first = avgvec.first*(1.0/sumEnergy);
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avgvec.second = avgvec.second*(1.0/sumEnergy);
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double phi1 = avgvec.first.Phi();
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double phi2 = avgvec.second.Phi();
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avgvec.first.SetXYZ(radiusA*TMath::Cos(phi1), radiusA*TMath::Sin(phi1), zLen/2);
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avgvec.second.SetXYZ(radiusA*TMath::Cos(phi2), radiusA*TMath::Sin(phi2), -zLen/2);
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/*if(cluster.size()>1) {
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std::cout << "\t\t avg1(r,phi,z):" << avgvec.first.Perp() << " " << avgvec.first.Phi()*180/M_PI << " " << avgvec.first.Z() << std::endl;
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std::cout << "\t\t avg2(r,phi,z):" << avgvec.second.Perp() << " " << avgvec.second.Phi()*180/M_PI << " " << avgvec.second.Z() << std::endl;
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}*/
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} else if(type =="CATHODE") {
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for( auto wire : cluster) {
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avgvec.first += std::get<1>(wire)*TVector3(Ca.at(std::get<0>(wire)).first.X(), Ca.at(std::get<0>(wire)).first.Y(), 0) ;
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avgvec.second += std::get<1>(wire)*TVector3(Ca.at(std::get<0>(wire)).second.X(), Ca.at(std::get<0>(wire)).second.Y(), 0);
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sumEnergy += std::get<1>(wire);
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if(std::get<1>(wire) > maxEnergy) {
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maxEnergy = std::get<1>(wire);
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tsMaxEnergy = std::get<2>(wire);
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}
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}
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avgvec.first = avgvec.first*(1.0/sumEnergy);
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avgvec.second = avgvec.second*(1.0/sumEnergy);
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double phi1 = avgvec.first.Phi();
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double phi2 = avgvec.second.Phi();
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avgvec.first.SetXYZ(radiusC*TMath::Cos(phi1), radiusC*TMath::Sin(phi1), zLen/2);
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avgvec.second.SetXYZ(radiusC*TMath::Cos(phi2), radiusC*TMath::Sin(phi2), -zLen/2);
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}
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return std::tuple(avgvec, sumEnergy, maxEnergy, tsMaxEnergy);
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}
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inline std::tuple<TVector3,double,double,double,double,double,double,double> PW::FindCrossoverProperties(const std::vector<std::tuple<int,double,double>>& a_cluster,
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const std::vector<std::tuple<int,double,double>>& c_cluster) {
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//std::pair<TVector3, TVector3> apwire = GetPseudoWire(a_cluster,"ANODE",anodeSumE);
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//std::pair<TVector3, TVector3> cpwire = GetPseudoWire(c_cluster,"CATHODE",cathodeSumE);
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auto [apwire, apSumE, apMaxE, apTSMaxE] = GetPseudoWire(a_cluster,"ANODE");
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auto [cpwire, cpSumE, cpMaxE, cpTSMaxE] = GetPseudoWire(c_cluster,"CATHODE");
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TVector3 crossover;
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crossover.Clear();
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TVector3 a, c, diff;
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double a2, ac, c2, adiff, cdiff, denom, alpha=0;
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if(apSumE && cpSumE) {
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a = apwire.first - apwire.second;
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c = cpwire.first - cpwire.second;
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diff = apwire.first - cpwire.first;
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a2 = a.Dot(a);
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c2 = c.Dot(c);
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ac = a.Dot(c);
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adiff = a.Dot(diff);
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cdiff = c.Dot(diff);
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denom = a2 * c2 - ac * ac;
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alpha = (ac * cdiff - c2 * adiff) / denom;
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crossover = apwire.first + alpha*a;
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if(crossover.z() < -190 || crossover.Z() > 190 ) {
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alpha = 9999999;
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apSumE=-1; cpSumE=-1;
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apMaxE=-1; cpMaxE=-1;
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apTSMaxE=-1; cpTSMaxE=-1;
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}
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}
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//std::cout << apSumE << " " << cpSumE << " " << " " << crossover.Perp() << std::endl;
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return std::tuple(crossover,alpha,apSumE,cpSumE,apMaxE,cpMaxE,apTSMaxE,cpTSMaxE);
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}
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inline void PW::FindWireID(TVector3 pos, TVector3 direction, bool verbose)
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{
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hitInfo.Clear();
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double phi = direction.Phi();
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for (int i = 0; i < nWire; i++)
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{
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double disA = 99999999;
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double phiS = An[i].first.Phi() - TMath::PiOver4();
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double phiL = An[i].second.Phi() + TMath::PiOver4();
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// printf("A%2d: %f %f | %f\n", i, phiS * TMath::RadToDeg(), phiL * TMath::RadToDeg(), phi * TMath::RadToDeg());
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if (phi > 0 && phiS > phiL)
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phiL = phiL + TMath::TwoPi();
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if (phi < 0 && phiS > phiL)
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phiS = phiS - TMath::TwoPi();
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if (phiS < phi && phi < phiL)
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{
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disA = Distance(pos, pos + direction, An[i].first, An[i].second);
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if (disA < hitInfo.nearestDist.first)
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{
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hitInfo.nearestDist.first = disA;
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hitInfo.nearestWire.first = i;
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}
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}
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double disC = 99999999;
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phiS = Ca[i].second.Phi() - TMath::PiOver4();
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phiL = Ca[i].first.Phi() + TMath::PiOver4();
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// printf("C%2d: %f %f\n", i, phiS * TMath::RadToDeg(), phiL * TMath::RadToDeg());
|
|
if (phi > 0 && phiS > phiL)
|
|
phiL = phiL + TMath::TwoPi();
|
|
if (phi < 0 && phiS > phiL)
|
|
phiS = phiS - TMath::TwoPi();
|
|
|
|
if (phiS < phi && phi < phiL)
|
|
{
|
|
disC = Distance(pos, pos + direction, Ca[i].first, Ca[i].second);
|
|
if (disC < hitInfo.nearestDist.second)
|
|
{
|
|
hitInfo.nearestDist.second = disC;
|
|
hitInfo.nearestWire.second = i;
|
|
}
|
|
}
|
|
|
|
if (verbose)
|
|
printf(" %2d | %8.2f, %8.2f\n", i, disA, disC);
|
|
}
|
|
|
|
//==== find the 2nd nearest wire
|
|
short anode1 = hitInfo.nearestWire.first;
|
|
short aaa1 = anode1 - 1;
|
|
if (aaa1 < 0)
|
|
aaa1 += nWire;
|
|
short aaa2 = (anode1 + 1) % nWire;
|
|
|
|
double haha1 = Distance(pos, pos + direction, An[aaa1].first, An[aaa1].second);
|
|
double haha2 = Distance(pos, pos + direction, An[aaa2].first, An[aaa2].second);
|
|
if (haha1 < haha2)
|
|
{
|
|
hitInfo.nextNearestWire.first = aaa1;
|
|
hitInfo.nextNearestDist.first = haha1;
|
|
}
|
|
else
|
|
{
|
|
hitInfo.nextNearestWire.first = aaa2;
|
|
hitInfo.nextNearestDist.first = haha2;
|
|
}
|
|
|
|
short cathode1 = hitInfo.nearestWire.second;
|
|
short ccc1 = cathode1 - 1;
|
|
if (ccc1 < 0)
|
|
ccc1 += nWire;
|
|
short ccc2 = (cathode1 + 1) % nWire;
|
|
|
|
haha1 = Distance(pos, pos + direction, Ca[ccc1].first, Ca[ccc1].second);
|
|
haha2 = Distance(pos, pos + direction, Ca[ccc2].first, Ca[ccc2].second);
|
|
if (haha1 < haha2)
|
|
{
|
|
hitInfo.nextNearestWire.second = ccc1;
|
|
hitInfo.nextNearestDist.second = haha1;
|
|
}
|
|
else
|
|
{
|
|
hitInfo.nextNearestWire.second = ccc2;
|
|
hitInfo.nextNearestDist.second = haha2;
|
|
}
|
|
|
|
if (verbose)
|
|
Print();
|
|
}
|
|
|
|
inline void PW::CalTrack(TVector3 sx3Pos, int anodeID, int cathodeID, bool verbose)
|
|
{
|
|
|
|
trackPos = sx3Pos;
|
|
|
|
TVector3 n1 = (An[anodeID].first - An[anodeID].second).Cross((sx3Pos - An[anodeID].second)).Unit();
|
|
TVector3 n2 = (Ca[cathodeID].first - Ca[cathodeID].second).Cross((sx3Pos - Ca[cathodeID].second)).Unit();
|
|
|
|
// if the handiness of anode and cathode revered, it should be n2 cross n1
|
|
trackVec = (n2.Cross(n1)).Unit();
|
|
|
|
if (verbose)
|
|
printf("Theta, Phi = %f, %f \n", trackVec.Theta() * TMath::RadToDeg(), trackVec.Phi() * TMath::RadToDeg());
|
|
}
|
|
|
|
|
|
inline void PW::CalTrack2(TVector3 siPos, TVector3 anodeInt, bool verbose)
|
|
{
|
|
|
|
double mx, my;
|
|
double z;
|
|
mx = siPos.X() / (siPos.X() - anodeInt.X());
|
|
my = siPos.Y() / (siPos.Y() - anodeInt.Y());
|
|
z=siPos.Z() + mx * (anodeInt.Z() - siPos.Z());
|
|
// if (mx == my)
|
|
{
|
|
trackVec=TVector3(0,0,z);
|
|
}
|
|
|
|
if (verbose)
|
|
printf("X slope = %f and Y slope = %f \n", mx, my);
|
|
}
|
|
|
|
/*inline TVector3 PW::CalTrack3(TVector3 siPos, TVector3 anodeInt, bool verbose)
|
|
{
|
|
|
|
TVector3 v = anodeInt-siPos;
|
|
double t_minimum = -1.0*(siPos.X()*v.X()+siPos.Y()*v.Y())/(v.X()*v.X()+v.Y()*v.Y());
|
|
TVector3 vector_closest_to_z = siPos + t_minimum*v;
|
|
|
|
return vector_closest_to_z;
|
|
if (verbose)
|
|
printf("X slope = %f and Y slope = %f \n", mx, my);
|
|
}*/
|
|
|
|
inline double PW::GetZ0()
|
|
{
|
|
|
|
double x = trackPos.X();
|
|
double y = trackPos.Y();
|
|
double rho = TMath::Sqrt(x * x + y * y);
|
|
double theta = trackVec.Theta();
|
|
|
|
return trackVec.Z();
|
|
}
|
|
|
|
#endif
|