Vignesh Sitaraman
d81e35d5e4
modified: TrackRecon.C Reconstruction only for the QQQ tracks new file: TrackRecon.h
406 lines
12 KiB
C
406 lines
12 KiB
C
#define TrackRecon_cxx
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#include "TrackRecon.h"
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#include "Armory/ClassPW.h"
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#include "Armory/HistPlotter.h"
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#include <TH2.h>
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#include <TStyle.h>
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#include <TCanvas.h>
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#include <TMath.h>
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#include "TVector3.h"
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#include <fstream>
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#include <iostream>
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#include <sstream>
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#include <map>
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#include <utility>
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#include <algorithm>
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// Global instances
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PW pw_contr;
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PW pwinstance;
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TVector3 hitPos;
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// Calibration globals
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const int MAX_QQQ = 4;
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const int MAX_RING = 16;
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const int MAX_WEDGE = 16;
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double qqqGain[MAX_QQQ][MAX_RING][MAX_WEDGE] = {{{0}}};
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bool qqqGainValid[MAX_QQQ][MAX_RING][MAX_WEDGE] = {{{false}}};
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double qqqCalib[MAX_QQQ][MAX_RING][MAX_WEDGE] = {{{0}}};
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bool qqqCalibValid[MAX_QQQ][MAX_RING][MAX_WEDGE] = {{{false}}};
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// PC Arrays
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double pcSlope[48];
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double pcIntercept[48];
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HistPlotter *plotter;
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bool HitNonZero;
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bool sx3ecut;
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bool qqqEcut;
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void TrackRecon::Begin(TTree * /*tree*/)
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{
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TString option = GetOption();
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plotter = new HistPlotter("Analyzer_QQQ.root", "TFILE");
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pw_contr.ConstructGeo();
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pwinstance.ConstructGeo();
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// ---------------------------------------------------------
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// 1. CRITICAL FIX: Initialize PC Arrays to Default (Raw)
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// ---------------------------------------------------------
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for (int i = 0; i < 48; i++)
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{
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pcSlope[i] = 1.0; // Default slope = 1 (preserves Raw energy)
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pcIntercept[i] = 0.0; // Default intercept = 0
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}
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// Calculate Crossover Geometry ONCE
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TVector3 a, c, diff;
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double a2, ac, c2, adiff, cdiff, denom, alpha;
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for (int i = 0; i < pwinstance.An.size(); i++)
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{
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a = pwinstance.An[i].first - pwinstance.An[i].second;
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for (int j = 0; j < pwinstance.Ca.size(); j++)
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{
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c = pwinstance.Ca[j].first - pwinstance.Ca[j].second;
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diff = pwinstance.An[i].first - pwinstance.Ca[j].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[i][j][0].x = pwinstance.An[i].first.X() + alpha * a.X();
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Crossover[i][j][0].y = pwinstance.An[i].first.Y() + alpha * a.Y();
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Crossover[i][j][0].z = pwinstance.An[i].first.Z() + alpha * a.Z();
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if (Crossover[i][j][0].z < -190 || Crossover[i][j][0].z > 190)
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{
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Crossover[i][j][0].z = 9999999;
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}
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Crossover[i][j][1].x = alpha;
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Crossover[i][j][1].y = 0;
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}
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}
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// Load PC Calibrations
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std::ifstream inputFile("slope_intercept_results.txt");
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if (inputFile.is_open())
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{
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std::string line;
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int index;
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double slope, intercept;
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while (std::getline(inputFile, line))
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{
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std::stringstream ss(line);
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ss >> index >> slope >> intercept;
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if (index >= 0 && index <= 47)
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{
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pcSlope[index] = slope;
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pcIntercept[index] = intercept;
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}
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}
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inputFile.close();
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}
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else
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{
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std::cerr << "Error opening slope_intercept.txt" << std::endl;
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}
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// ... (Load QQQ Gains and Calibs - same as before) ...
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{
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std::string filename = "qqq_GainMatch.txt";
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std::ifstream infile(filename);
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if (infile.is_open())
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{
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int det, ring, wedge;
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double gainw, gainr;
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while (infile >> det >> ring >> wedge >> gainw >> gainr)
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{
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qqqGain[det][ring][wedge] = gainw;
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qqqGainValid[det][ring][wedge] = (gainw > 0);
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}
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infile.close();
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}
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}
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{
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std::string filename = "qqq_Calib.txt";
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std::ifstream infile(filename);
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if (infile.is_open())
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{
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int det, ring, wedge;
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double slope;
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while (infile >> det >> ring >> wedge >> slope)
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{
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qqqCalib[det][ring][wedge] = slope;
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qqqCalibValid[det][ring][wedge] = (slope > 0);
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}
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infile.close();
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}
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}
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}
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Bool_t TrackRecon::Process(Long64_t entry)
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{
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hitPos.Clear();
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HitNonZero = false;
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b_sx3Multi->GetEntry(entry);
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b_sx3ID->GetEntry(entry);
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b_sx3Ch->GetEntry(entry);
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b_sx3E->GetEntry(entry);
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b_sx3T->GetEntry(entry);
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b_qqqMulti->GetEntry(entry);
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b_qqqID->GetEntry(entry);
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b_qqqCh->GetEntry(entry);
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b_qqqE->GetEntry(entry);
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b_qqqT->GetEntry(entry);
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b_pcMulti->GetEntry(entry);
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b_pcID->GetEntry(entry);
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b_pcCh->GetEntry(entry);
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b_pcE->GetEntry(entry);
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b_pcT->GetEntry(entry);
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sx3.CalIndex();
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qqq.CalIndex();
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pc.CalIndex();
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// QQQ Processing
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qqqEcut = false;
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for (int i = 0; i < qqq.multi; i++)
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{
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plotter->Fill2D("QQQ_Index_Vs_Energy", 16*8, 0, 16*8, 2000, 0, 16000, qqq.index[i], qqq.e[i], "hRawQQQ");
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if (qqq.e[i] > 100)
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qqqEcut = true;
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for (int j = 0; j < qqq.multi; j++)
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{
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if (j == i)
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continue;
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plotter->Fill2D("QQQ_Coincidence_Matrix", 16*8, 0, 16*8, 16*8, 0, 16*8, qqq.index[i], qqq.index[j], "hRawQQQ");
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}
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for (int k = 0; k < pc.multi; k++)
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{
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if (pc.index[k] < 24 && pc.e[k] > 50)
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{
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plotter->Fill2D("QQQ_Vs_PC_Energy", 400, 0, 4000, 1000, 0, 16000, qqq.e[i], pc.e[k]);
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plotter->Fill2D("QQQ_Index_Vs_PC_Index", 16, 0, 16, 24, 0, 24, qqq.index[i], pc.index[k]);
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}
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}
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for (int j = i + 1; j < qqq.multi; j++)
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{
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if (qqq.id[i] == qqq.id[j])
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{
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if (qqq.e[i] > 100)
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qqqEcut = true;
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if (qqq.id[i] == qqq.id[j])
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{
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int chWedge = -1;
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int chRing = -1;
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float eWedge = 0.0;
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float eWedgeMeV = 0.0;
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float eRing = 0.0;
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float eRingMeV = 0.0;
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if (qqq.ch[i] < 16 && qqq.ch[j] >= 16 && qqqGainValid[qqq.id[i]][qqq.ch[i]][qqq.ch[j] - 16])
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{
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chWedge = qqq.ch[i];
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eWedge = qqq.e[i] * qqqGain[qqq.id[i]][qqq.ch[i]][qqq.ch[j] - 16];
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chRing = qqq.ch[j] - 16;
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eRing = qqq.e[j];
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}
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else if (qqq.ch[j] < 16 && qqq.ch[i] >= 16 && qqqGainValid[qqq.id[j]][qqq.ch[j]][qqq.ch[i] - 16])
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{
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chWedge = qqq.ch[j];
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eWedge = qqq.e[j] * qqqGain[qqq.id[j]][qqq.ch[j]][qqq.ch[i] - 16];
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chRing = qqq.ch[i] - 16;
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eRing = qqq.e[i];
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}
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else
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continue;
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if (qqqCalibValid[qqq.id[i]][chRing][chWedge])
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{
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eWedgeMeV = eWedge * qqqCalib[qqq.id[i]][chRing][chWedge] / 1000;
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eRingMeV = eRing * qqqCalib[qqq.id[i]][chRing][chWedge] / 1000;
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}
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else
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continue;
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plotter->Fill2D("WedgeE_Vs_RingECal", 1000, 0, 10, 1000, 0, 10, eWedgeMeV, eRingMeV, "hCalQQQ");
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for (int k = 0; k < pc.multi; k++)
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{
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if (pc.index[k] < 24 && pc.e[k] > 50)
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{
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plotter->Fill2D("QQQ_Calib_Vs_PC_Energy", 1000,0,16, 2000, 0, 30000, eWedgeMeV, pc.e[k], "hCalQQQ");
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plotter->Fill2D("QQQ_Calib_Vs_PC_Energy",1000,0,16, 2000, 0, 30000, eRingMeV, pc.e[k], "hCalQQQ");
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}
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}
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double theta = -TMath::Pi() / 2 + 2 * TMath::Pi() / 16 / 4. * (qqq.id[i] * 16 + chWedge + 0.5);
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double rho = 50. + 40. / 16. * (chRing + 0.5);
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plotter->Fill2D("QQQPolarPlot", 200, -2*TMath::Pi() , 2*TMath::Pi() , 400, 40, 100, theta, rho, "hCalQQQ");
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if (!HitNonZero)
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{
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double x = rho * TMath::Cos(theta);
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double y = rho * TMath::Sin(theta);
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hitPos.SetXYZ(x, y, 23 + 75 + 30);
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HitNonZero = true;
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}
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}
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}
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}
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}
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// PC Gain Matching and Filling
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for (int i = 0; i < pc.multi; i++)
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{
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if (pc.e[i] > 100)
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{
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plotter->Fill2D("PC_Index_Vs_Energy", 24, 0, 24, 2000, 0, 30000, pc.index[i], pc.e[i], "hRawPC");
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}
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if (pc.index[i] >= 0 && pc.index[i] < 48)
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{
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// FIX: pcSlope defaults to 1.0 now, so this won't zero out data if file entry is missing
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pc.e[i] = pcSlope[pc.index[i]] * pc.e[i] + pcIntercept[pc.index[i]];
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plotter->Fill2D("PC_Index_VS_GainMatched_Energy", 24, 0, 24, 2000, 0, 30000, pc.index[i], pc.e[i], "hGMPC");
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}
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for(int j=i+1;j<pc.multi;j++)
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{
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plotter->Fill2D("PC_Coincidence_Matrix",24, 0, 24, 24, 24, 48, pc.index[i], pc.index[j], "hRawPC");
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}
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}
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anodeHits.clear();
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cathodeHits.clear();
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corrcatMax.clear();
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int aID = 0;
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int cID = 0;
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float aE = 0;
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float cE = 0;
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float aESum = 0;
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float cESum = 0;
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float aEMax = 0;
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int aIDMax = 0;
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for (int i = 0; i < pc.multi; i++)
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{
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if (pc.e[i] > 100)
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{
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if (pc.index[i] < 24)
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anodeHits.push_back(std::pair<int, double>(pc.index[i], pc.e[i]));
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else if (pc.index[i] >= 24)
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cathodeHits.push_back(std::pair<int, double>(pc.index[i] - 24, pc.e[i]));
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}
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}
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std::sort(anodeHits.begin(), anodeHits.end(), [](const std::pair<int, double> &a, const std::pair<int, double> &b)
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{ return a.second > b.second; });
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std::sort(cathodeHits.begin(), cathodeHits.end(), [](const std::pair<int, double> &a, const std::pair<int, double> &b)
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{ return a.second > b.second; });
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if (anodeHits.size() >= 1 && cathodeHits.size() > 1)
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{
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// 2. CRITICAL FIX: Define reference vector 'a'
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// In Analyzer.cxx, 'a' was left over from the loop. We use the first anode wire as reference here.
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// (Assuming pwinstance.An is populated and wires are generally parallel).
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TVector3 refAnode = pwinstance.An[0].first - pwinstance.An[0].second;
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if (((TMath::TanH(hitPos.Y() / hitPos.X())) > (TMath::TanH(refAnode.Y() / refAnode.X()) - TMath::PiOver4())) ||
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((TMath::TanH(hitPos.Y() / hitPos.X())) < (TMath::TanH(refAnode.Y() / refAnode.X()) + TMath::PiOver4())))
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{
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for (const auto &anode : anodeHits)
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{
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aID = anode.first;
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aE = anode.second;
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aESum += aE;
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if (aE > aEMax)
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{
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aEMax = aE;
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aIDMax = aID;
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}
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}
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for (const auto &cathode : cathodeHits)
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{
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cID = cathode.first;
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cE = cathode.second;
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plotter->Fill2D("AnodeMax_Vs_Cathode_Coincidence_Matrix", 24, 0, 24, 24, 0, 24, aIDMax, cID, "hGMPC");
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plotter->Fill2D("Anode_Vs_Cathode_Coincidence_Matrix", 24, 0, 24, 24, 0, 24, aID, cID, "hGMPC");
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plotter->Fill2D("Anode_vs_CathodeE", 2000, 0, 30000, 2000, 0, 30000, aE, cE, "hGMPC");
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for (int j = -4; j < 3; j++)
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{
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if ((aIDMax + 24 + j) % 24 == 23 - cID)
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{
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corrcatMax.push_back(std::pair<int, double>(cID, cE));
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cESum += cE;
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}
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}
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}
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}
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}
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TVector3 anodeIntersection;
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anodeIntersection.Clear();
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{
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float x = 0, y = 0, z = 0;
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for (const auto &corr : corrcatMax)
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{
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if (cESum > 0)
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{
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x += (corr.second) / cESum * Crossover[aIDMax][corr.first][0].x;
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y += (corr.second) / cESum * Crossover[aIDMax][corr.first][0].y;
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z += (corr.second) / cESum * Crossover[aIDMax][corr.first][0].z;
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}
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}
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anodeIntersection = TVector3(x, y, z);
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}
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if (anodeIntersection.Z() != 0)
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{
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plotter->Fill1D("PC_Z_Projection", 600, -300, 300, anodeIntersection.Z(), "hGMPC");
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}
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plotter->Fill2D("AnodeMaxE_Vs_Cathode_Sum_Energy", 2000, 0, 30000, 2000, 0, 30000, aEMax, cESum, "hGMPC");
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plotter->Fill1D("Correlated_Cathode_MaxAnode", 6, 0, 5, corrcatMax.size(), "hGMPC");
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plotter->Fill2D("Correlated_Cathode_VS_MaxAnodeEnergy", 6, 0, 5, 2000, 0, 30000, corrcatMax.size(), aEMax, "hGMPC");
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plotter->Fill1D("AnodeHits", 12, 0, 11, anodeHits.size(), "hGMPC");
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if (anodeHits.size() < 1)
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{
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plotter->Fill1D("NoAnodeHits_CathodeHits", 6, 0, 5, cathodeHits.size(), "hGMPC");
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}
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if (HitNonZero && anodeIntersection.Z() != 0)
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{
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pw_contr.CalTrack2(hitPos, anodeIntersection);
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plotter->Fill1D("VertexRecon", 600, -300, 300, pw_contr.GetZ0(), "hGMPC");
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}
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return kTRUE;
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}
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void TrackRecon::Terminate()
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{
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plotter->FlushToDisk();
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} |