modified: .gitignore
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6cfb38b564
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2
.gitignore
vendored
2
.gitignore
vendored
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@ -4,7 +4,7 @@ EventBuilder*
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*.pcm
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*.root
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*.exe
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*.txt
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Mapper
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AnasenMS
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@ -1,283 +0,0 @@
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#ifndef ClassPW_h
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#define ClassPW_h
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#include <cstdio>
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#include <TMath.h>
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#include <TVector3.h>
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struct PWHitInfo{
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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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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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//!########################################################
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class PW{ // 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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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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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, PWHitInfo hitInfo, double sigmaA = 0, double sigmaC = 0, bool verbose = false);
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void Print(){
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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 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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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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hitInfo.Clear();
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}
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inline void PW::ConstructGeo(){
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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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// 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
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q1.first.SetXYZ( radiusC * TMath::Cos( TMath::TwoPi() / nWire * (i) + TMath::PiOver2()),
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radiusC * TMath::Sin( TMath::TwoPi() / nWire * (i) + TMath::PiOver2()),
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zLen/2);
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q1.second.SetXYZ( radiusC * TMath::Cos( TMath::TwoPi() / nWire * (i - wireShift) + TMath::PiOver2()),
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radiusC * TMath::Sin( TMath::TwoPi() / nWire * (i - wireShift) + TMath::PiOver2()),
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-zLen/2);
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Ca.push_back(q1);
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}
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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) );
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}
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inline void PW::FindWireID(TVector3 pos, TVector3 direction, bool verbose ){
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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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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 ) phiL = phiL + TMath::TwoPi();
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if( phi < 0 && phiS > phiL ) phiS = phiS - TMath::TwoPi();
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if( phiS < phi && phi < phiL) {
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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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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());
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if( phi > 0 && phiS > phiL ) phiL = phiL + TMath::TwoPi();
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if( phi < 0 && phiS > phiL ) phiS = phiS - TMath::TwoPi();
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if(phiS < phi && phi < phiL) {
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disC = Distance( pos, pos + direction, Ca[i].first, Ca[i].second);
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if( disC < hitInfo.nearestDist.second ){
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hitInfo.nearestDist.second = disC;
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hitInfo.nearestWire.second = i;
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}
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}
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if(verbose) printf(" %2d | %8.2f, %8.2f\n", i, disA, disC);
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}
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//==== find the 2nd nearest wire
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short anode1 = hitInfo.nearestWire.first;
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short aaa1 = anode1 - 1; if( aaa1 < 0 ) aaa1 += nWire;
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short aaa2 = (anode1 + 1) % nWire;
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double haha1 = Distance( pos, pos + direction, An[aaa1].first, An[aaa1].second);
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double haha2 = Distance( pos, pos + direction, An[aaa2].first, An[aaa2].second);
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if( haha1 < haha2){
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hitInfo.nextNearestWire.first = aaa1;
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hitInfo.nextNearestDist.first = haha1;
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}else{
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hitInfo.nextNearestWire.first = aaa2;
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hitInfo.nextNearestDist.first = haha2;
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}
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short cathode1 = hitInfo.nearestWire.second;
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short ccc1 = cathode1 - 1; if( ccc1 < 0 ) ccc1 += nWire;
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short ccc2 = (cathode1 + 1) % nWire;
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haha1 = Distance( pos, pos + direction, Ca[ccc1].first, Ca[ccc1].second);
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haha2 = Distance( pos, pos + direction, Ca[ccc2].first, Ca[ccc2].second);
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if( haha1 < haha2){
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hitInfo.nextNearestWire.second = ccc1;
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hitInfo.nextNearestDist.second = haha1;
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}else{
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hitInfo.nextNearestWire.second = ccc2;
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hitInfo.nextNearestDist.second = haha2;
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}
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if( verbose ) Print();
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}
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inline void PW::CalTrack(TVector3 sx3Pos, int anodeID, int cathodeID, bool verbose){
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trackPos = sx3Pos;
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TVector3 n1 = (An[anodeID].first - An[anodeID].second).Cross((sx3Pos - An[anodeID].second)).Unit();
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TVector3 n2 = (Ca[cathodeID].first - Ca[cathodeID].second).Cross((sx3Pos - Ca[cathodeID].second)).Unit();
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// if the handiness of anode and cathode revered, it should be n2 cross n1
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trackVec = (n2.Cross(n1)).Unit();
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if( verbose ) printf("Theta, Phi = %f, %f \n", trackVec.Theta() *TMath::RadToDeg(), trackVec.Phi()*TMath::RadToDeg());
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}
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inline void PW::CalTrack2(TVector3 sx3Pos, PWHitInfo hitInfo, double sigmaA, double sigmaC, bool verbose){
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trackPos = sx3Pos;
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double p1 = TMath::Abs(hitInfo.nearestDist.first + gRandom->Gaus(0, sigmaA));
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double p2 = TMath::Abs(hitInfo.nextNearestDist.first + gRandom->Gaus(0, sigmaA));
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double fracA = p1 / (p1 + p2);
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short anodeID1 = hitInfo.nearestWire.first;
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short anodeID2 = hitInfo.nextNearestWire.first;
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TVector3 shiftA1 = (An[anodeID2].first - An[anodeID1].first) * fracA;
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TVector3 shiftA2 = (An[anodeID2].second - An[anodeID1].second) * fracA;
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double q1 = TMath::Abs(hitInfo.nearestDist.second + gRandom->Gaus(0, sigmaC));
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double q2 = TMath::Abs(hitInfo.nextNearestDist.second + gRandom->Gaus(0, sigmaC));
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double fracC = q1 / (q1 + q2);
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short cathodeID1 = hitInfo.nearestWire.second;
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short cathodeID2 = hitInfo.nextNearestWire.second;
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TVector3 shiftC1 = (Ca[cathodeID2].first - Ca[cathodeID1].first) * fracC;
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TVector3 shiftC2 = (Ca[cathodeID2].second - Ca[cathodeID1].second) * fracC;
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TVector3 a1 = An[anodeID1].first + shiftA1;
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TVector3 a2 = An[anodeID1].second + shiftA2;
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TVector3 c1 = Ca[cathodeID1].first + shiftC1;
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TVector3 c2 = Ca[cathodeID1].second + shiftC2;
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TVector3 n1 = (a1 - a2).Cross((sx3Pos - a2)).Unit();
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TVector3 n2 = (c1 - c2).Cross((sx3Pos - c2)).Unit();
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// if the handiness of anode and cathode revered, it should be n2 cross n1
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trackVec = (n2.Cross(n1)).Unit();
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if( verbose ) printf("Theta, Phi = %f, %f \n", trackVec.Theta() *TMath::RadToDeg(), trackVec.Phi()*TMath::RadToDeg());
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}
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inline double PW::GetZ0(){
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double x = trackPos.X();
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double y = trackPos.Y();
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double rho = TMath::Sqrt(x*x + y*y);
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double theta = trackVec.Theta();
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return trackPos.Z() - rho / TMath::Tan(theta);
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}
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#endif
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