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Copy pathMocktilt_plan2_histo_zFinding.c
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Mocktilt_plan2_histo_zFinding.c
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#include "TH1.h"
using namespace std;
/*********************************************************************
* GLOBAL VARIABLES;
* ******************************************************************/
float zmin = -21.94;
float zmax = 20.22; // From sPHENIX paper, the stave's length is aroung 27.12 cm;
float scanstep = 0.0025; // unit: cm;
int bins = (zmax - zmin)/scanstep + 1;
float threshold_eta_xl = 0.0003; float threshold_phi_xl = 0.0003;
float threshold_eta_l = 0.0008; float threshold_phi_l = 0.0008;
float threshold_eta_s = 0.008; float threshold_phi_s = 0.008;
float ls_cut = 630;
//////////////////////////////////////////////////////////////////////
/*************************************
* @brief Remove NaN values in vetor
*
* @param vec
* @return ** void
************************************/
void remove_nan(std::vector<float>& vec) {
vec.erase(
std::remove_if(
vec.begin(),
vec.end(),
[](float value) { return std::isnan(value); }
),
vec.end()
);
}
/*********************************************************************
* Another Scanning method for zFinding:
* ******************************************************************/
float zScan2 (const int &evt, const vector<float> &gx, const vector<float> &gy, const vector<float> &gz, const float &etaThreshold, const float &phiThreshold) {
// /*
vector<float> phi_values, relative_r_values;
vector<float> eta_0, eta_1, eta_2;
vector<float> phi_0, phi_1, phi_2;
TH1D *h = new TH1D("", "", bins, zmin - scanstep/2, zmax + scanstep/2);
for (int j = 0; j < gx.size(); j++) {
float relative_x = gx[j];
float relative_y = gy[j];
float phi = atan2(relative_y, relative_x);
float global_r = sqrt(relative_x * relative_x + relative_y * relative_y);
float relative_r = global_r;
if (relative_r >= 2.37 && relative_r <= 2.80) {
eta_0.push_back(1.); phi_0.push_back(1.);
eta_1.push_back(std::nan("")); phi_1.push_back(std::nan(""));
eta_2.push_back(std::nan("")); phi_2.push_back(std::nan(""));
}
else if (relative_r >= 3.14 && relative_r <= 3.59) {
eta_0.push_back(std::nan("")); phi_0.push_back(std::nan(""));
eta_1.push_back(1.); phi_1.push_back(1.);
eta_2.push_back(std::nan("")); phi_2.push_back(std::nan(""));
}
else if (relative_r >= 3.91 && relative_r <= 4.3925) {
eta_0.push_back(std::nan("")); phi_0.push_back(std::nan(""));
eta_1.push_back(std::nan("")); phi_1.push_back(std::nan(""));
eta_2.push_back(1.); phi_2.push_back(1.);
}
else {
eta_0.push_back(std::nan("")); phi_0.push_back(std::nan(""));
eta_1.push_back(std::nan("")); phi_1.push_back(std::nan(""));
eta_2.push_back(std::nan("")); phi_2.push_back(std::nan(""));
}
phi_values.push_back(phi);
relative_r_values.push_back(relative_r);
}
// std::cout << eta_0.size() << "," << eta_1.size() << "," << eta_2.size() << "," << phi_0.size() << "," << phi_1.size() << "," << phi_2.size() << std::endl;
for (int s = 0; s < bins; s++) {
std::vector<float> eta_0Dummy = eta_0;
std::vector<float> eta_1Dummy = eta_1;
std::vector<float> eta_2Dummy = eta_2;
std::vector<float> phi_0Dummy = phi_0;
std::vector<float> phi_1Dummy = phi_1;
std::vector<float> phi_2Dummy = phi_2;
for (int i = 0; i < gx.size(); i++) {
// double x = gx[i];
// double y = gy[i];
float z = gz[i] - (zmin + s*scanstep);
// double phi = atan2(y, x);
// double rv = sqrt(x*x + y*y); double rg = sqrt(gx[i]*gx[i] + gy[i]*gy[i]);
float theta = atan2(relative_r_values[i], z);
float eta;
if (z >= 0) {
eta = -log(tan(theta/2));
}
else {
eta = log(tan((M_PI - theta)/2));
}
eta_0Dummy[i] *= eta; eta_1Dummy[i] *= eta; eta_2Dummy[i] *= eta;
phi_0Dummy[i] *= phi_values[i]; phi_1Dummy[i] *= phi_values[i]; phi_2Dummy[i] *= phi_values[i];
}
remove_nan(eta_0Dummy); remove_nan(eta_1Dummy); remove_nan(eta_2Dummy);
remove_nan(phi_0Dummy); remove_nan(phi_1Dummy); remove_nan(phi_2Dummy);
// eta_0Dummy.erase(std::remove_if(eta_0Dummy.begin(), eta_0Dummy.end(), [](float value) { return std::isnan(value); } ), eta_0Dummy.end());
// eta_1Dummy.erase(std::remove_if(eta_1Dummy.begin(), eta_1Dummy.end(), [](float value) { return std::isnan(value); } ), eta_1Dummy.end());
// eta_2Dummy.erase(std::remove_if(eta_2Dummy.begin(), eta_2Dummy.end(), [](float value) { return std::isnan(value); } ), eta_2Dummy.end());
// phi_0Dummy.erase(std::remove_if(phi_0Dummy.begin(), phi_0Dummy.end(), [](float value) { return std::isnan(value); } ), phi_0Dummy.end());
// phi_1Dummy.erase(std::remove_if(phi_1Dummy.begin(), phi_1Dummy.end(), [](float value) { return std::isnan(value); } ), phi_1Dummy.end());
// phi_2Dummy.erase(std::remove_if(phi_2Dummy.begin(), phi_2Dummy.end(), [](float value) { return std::isnan(value); } ), phi_2Dummy.end());
// for(float val : eta_0Dummy) {
// std::cout << val << " ";
// }
// std::cout << std::endl;
for (int i = 0; i < eta_0Dummy.size(); i++) {
for (int j = 0; j < eta_1Dummy.size(); j++) {
float d_eta = abs(eta_0Dummy[i] - eta_1Dummy[j]);
float d_phi = abs(phi_0Dummy[i] - phi_1Dummy[j]);
bool within_deta_range, within_dphi_range;
within_deta_range = d_eta < etaThreshold;
within_dphi_range = d_phi < phiThreshold;
if (within_deta_range && within_dphi_range ) {
h -> Fill(zmin + s*scanstep);
}
}
}
for (int i = 0; i < eta_0Dummy.size(); i++) {
for (int j = 0; j < eta_2Dummy.size(); j++) {
float d_eta = abs(eta_0Dummy[i] - eta_2Dummy[j]);
float d_phi = abs(phi_0Dummy[i] - phi_2Dummy[j]);
bool within_deta_range, within_dphi_range;
within_deta_range = d_eta < etaThreshold;
within_dphi_range = d_phi < phiThreshold;
if (within_deta_range && within_dphi_range ) {
h -> Fill(zmin + s*scanstep);
}
}
}
for (int i = 0; i < eta_1Dummy.size(); i++) {
for (int j = 0; j < eta_2Dummy.size(); j++) {
float d_eta = abs(eta_1Dummy[i] - eta_2Dummy[j]);
float d_phi = abs(phi_1Dummy[i] - phi_2Dummy[j]);
bool within_deta_range, within_dphi_range;
within_deta_range = d_eta < etaThreshold;
within_dphi_range = d_phi < phiThreshold;
if (within_deta_range && within_dphi_range ) {
h -> Fill(zmin + s*scanstep);
}
}
}
eta_0Dummy.clear(); std::vector<float>().swap(eta_0Dummy);
eta_1Dummy.clear(); std::vector<float>().swap(eta_1Dummy);
eta_2Dummy.clear(); std::vector<float>().swap(eta_2Dummy);
phi_0Dummy.clear(); std::vector<float>().swap(phi_0Dummy);
phi_1Dummy.clear(); std::vector<float>().swap(phi_1Dummy);
phi_2Dummy.clear(); std::vector<float>().swap(phi_2Dummy);
}
int binmax = h -> GetMaximumBin();
float xlabel0 = h -> GetXaxis() -> GetBinCenter(binmax);
int entry0 = h -> GetBinContent(binmax);
float xlabel_1 = h -> GetXaxis() -> GetBinCenter(binmax - 1); double entry_1 = h -> GetBinContent(binmax - 1);
float xlabel1 = h -> GetXaxis() -> GetBinCenter(binmax + 1); double entry1 = h -> GetBinContent(binmax + 1);
float ctz = (xlabel0*entry0 + xlabel_1*entry_1 + xlabel1*entry1) / (entry0 + entry1 + entry_1);
TCanvas *can2 = new TCanvas("c2","c2",0,50,1800,550);
h -> Draw();
h -> SetFillColor(kYellow - 7);
h -> SetLineWidth(1);
h -> SetFillStyle(1001);
h -> GetXaxis() -> SetTitle("Z coordinate [cm]");
h -> GetXaxis() -> SetTitleSize(.05);
h -> GetXaxis() -> SetLabelSize(.04);
h -> GetXaxis() -> CenterTitle(true);
h -> GetXaxis() -> SetNdivisions(31, 5, 0);
h -> GetXaxis() -> SetTitleOffset(.8);
h -> GetYaxis() -> SetTitle("# of Counts");
h -> GetYaxis() -> SetTitleSize(.05);
h -> GetYaxis() -> SetLabelSize(.04);
h -> GetYaxis() -> SetTitleOffset(.62);
h -> GetYaxis() -> CenterTitle(true);
h -> SetTitle("Displacement at the farthest end is 0.4 mm");
h -> SetMinimum(0);
int max_entry = h -> GetBinContent(h -> FindBin(ctz));
TLine *l1 = new TLine(ctz, 0, ctz, max_entry);
l1 -> SetLineColor(kRed);
l1 -> SetLineStyle(2);
l1 -> SetLineWidth(1);
l1 -> Draw("same");
TLegend *lg = new TLegend(0.12, 0.8, 0.72, 0.9);
if (gx.size() > ls_cut) {
lg -> AddEntry(h, Form("%2.4fcm, Scan_step=%1.0f#mum, threshold_eta |#Delta#eta|<%1.5f, |#Delta#phi|<%1.5f", ctz, scanstep*1e4, threshold_eta_l, threshold_phi_l), "f");
}else {
lg -> AddEntry(h, Form("%2.4fcm, Scan_step=%1.0f#mum, threshold_eta |#Delta#eta|<%1.5f, |#Delta#phi|<%1.5f", ctz, scanstep*1e4, threshold_eta_s, threshold_phi_s), "f");
}
gStyle -> SetLegendTextSize(.03);
lg -> Draw("same");
gPad -> SetGrid(1,1); gPad -> Update();
can2 -> SaveAs(Form("histoZScan/foundz_%d_04.png", evt));
delete can2;
delete h; h = 0;
phi_values.clear(); relative_r_values.clear();
std::vector<float>().swap(phi_values);
std::vector<float>().swap(relative_r_values);
eta_0.clear(); std::vector<float>().swap(eta_0);
eta_1.clear(); std::vector<float>().swap(eta_1);
eta_2.clear(); std::vector<float>().swap(eta_2);
phi_0.clear(); std::vector<float>().swap(phi_0);
phi_1.clear(); std::vector<float>().swap(phi_1);
phi_2.clear(); std::vector<float>().swap(phi_2);
return ctz;
}
/*********************************************************************
* Scan for found_z vertex:
* ******************************************************************/
float zScan (const int &evt, const vector<float> &gx, const vector<float> &gy, const vector<float> &gz, const float &etaThreshold, const float &phiThreshold) {
vector<float> phi_values, global_r_values, relative_r_values;
TH1D *h = new TH1D("", "", bins, zmin - scanstep/2, zmax + scanstep/2);
for (int j = 0; j < gx.size(); j++) {
float relative_x = gx[j];
float relative_y = gy[j];
float phi = atan2(relative_y, relative_x);
float global_r = sqrt(relative_x * relative_x + relative_y * relative_y);
float relative_r = global_r;
phi_values.push_back(phi);
global_r_values.push_back(global_r);
relative_r_values.push_back(relative_r);
}
for (int s = 0; s < bins; s++) {
vector<float> eta_0, eta_1, eta_2;
vector<float> phi_0, phi_1, phi_2;
for (int i = 0; i < gx.size(); i++) {
// double x = gx[i];
// double y = gy[i];
float z = gz[i] - (zmin + s*scanstep);
// double phi = atan2(y, x);
// double rv = sqrt(x*x + y*y); double rg = sqrt(gx[i]*gx[i] + gy[i]*gy[i]);
float theta = atan2(relative_r_values[i], z);
float eta;
if (z >= 0) {
eta = -log(tan(theta/2));
}
else {
eta = log(tan((M_PI - theta)/2));
}
if (global_r_values[i] >= 2.37 && global_r_values[i] <= 2.80) {
eta_0.push_back(eta);
phi_0.push_back(phi_values[i]);
}
else if (global_r_values[i] >= 3.14 && global_r_values[i] <= 3.59) {
eta_1.push_back(eta);
phi_1.push_back(phi_values[i]);
}
else if (global_r_values[i] >= 3.91 && global_r_values[i] <= 4.3925) {
eta_2.push_back(eta);
phi_2.push_back(phi_values[i]);
}
}
for (int i = 0; i < eta_0.size(); i++) {
for (int j = 0; j < eta_1.size(); j++) {
float d_eta = abs(eta_0[i] - eta_1[j]);
float d_phi = abs(phi_0[i] - phi_1[j]);
bool within_deta_range, within_dphi_range;
within_deta_range = d_eta < etaThreshold;
within_dphi_range = d_phi < phiThreshold;
if (within_deta_range && within_dphi_range) {
h -> Fill(zmin + s*scanstep);
}
}
}
for (int i = 0; i < eta_0.size(); i++) {
for (int j = 0; j < eta_2.size(); j++) {
float d_eta = abs(eta_0[i] - eta_2[j]);
float d_phi = abs(phi_0[i] - phi_2[j]);
bool within_deta_range, within_dphi_range;
within_deta_range = d_eta < etaThreshold;
within_dphi_range = d_phi < phiThreshold;
if (within_deta_range && within_dphi_range) {
h -> Fill(zmin + s*scanstep);
}
}
}
for (int i = 0; i < eta_1.size(); i++) {
for (int j = 0; j < eta_2.size(); j++) {
float d_eta = abs(eta_1[i] - eta_2[j]);
float d_phi = abs(phi_1[i] - phi_2[j]);
bool within_deta_range, within_dphi_range;
within_deta_range = d_eta < etaThreshold;
within_dphi_range = d_phi < phiThreshold;
if (within_deta_range && within_dphi_range) {
h -> Fill(zmin + s*scanstep);
}
}
}
eta_0.clear(); std::vector<float>().swap(eta_0);
eta_1.clear(); std::vector<float>().swap(eta_1);
eta_2.clear(); std::vector<float>().swap(eta_2);
phi_0.clear(); std::vector<float>().swap(phi_0);
phi_1.clear(); std::vector<float>().swap(phi_1);
phi_2.clear(); std::vector<float>().swap(phi_2);
}
int binmax = h -> GetMaximumBin();
float xlabel0 = h -> GetXaxis() -> GetBinCenter(binmax);
int entry0 = h -> GetBinContent(binmax);
float xlabel_1 = h -> GetXaxis() -> GetBinCenter(binmax - 1); double entry_1 = h -> GetBinContent(binmax - 1);
float xlabel1 = h -> GetXaxis() -> GetBinCenter(binmax + 1); double entry1 = h -> GetBinContent(binmax + 1);
float ctz = (xlabel0*entry0 + xlabel_1*entry_1 + xlabel1*entry1) / (entry0 + entry1 + entry_1);
TCanvas *can2 = new TCanvas("c2","c2",0,50,1800,550);
h -> Draw();
h -> SetFillColor(kYellow - 7);
h -> SetLineWidth(1);
h -> SetFillStyle(1001);
h -> GetXaxis() -> SetTitle("Z coordinate [cm]");
h -> GetXaxis() -> SetTitleSize(.05);
h -> GetXaxis() -> SetLabelSize(.04);
h -> GetXaxis() -> CenterTitle(true);
h -> GetXaxis() -> SetNdivisions(31, 5, 0);
h -> GetXaxis() -> SetTitleOffset(.8);
h -> GetYaxis() -> SetTitle("# of Counts");
h -> GetYaxis() -> SetTitleSize(.05);
h -> GetYaxis() -> SetLabelSize(.04);
h -> GetYaxis() -> SetTitleOffset(.62);
h -> GetYaxis() -> CenterTitle(true);
h -> SetTitle("Displacement at the farthest end is 0.4 mm");
h -> SetMinimum(0);
int max_entry = h -> GetBinContent(h -> FindBin(ctz));
TLine *l1 = new TLine(ctz, 0, ctz, max_entry);
l1 -> SetLineColor(kRed);
l1 -> SetLineStyle(2);
l1 -> SetLineWidth(1);
l1 -> Draw("same");
TLegend *lg = new TLegend(0.12, 0.8, 0.72, 0.9);
if (gx.size() > ls_cut) {
lg -> AddEntry(h, Form("%2.4fcm, Scan_step=%1.0f#mum, threshold_eta |#Delta#eta|<%1.5f, |#Delta#phi|<%1.5f", ctz, scanstep*1e4, threshold_eta_l, threshold_phi_l), "f");
}else {
lg -> AddEntry(h, Form("%2.4fcm, Scan_step=%1.0f#mum, threshold_eta |#Delta#eta|<%1.5f, |#Delta#phi|<%1.5f", ctz, scanstep*1e4, threshold_eta_s, threshold_phi_s), "f");
}
gStyle -> SetLegendTextSize(.03);
lg -> Draw("same");
gPad -> SetGrid(1,1); gPad -> Update();
can2 -> SaveAs(Form("histoZScan/foundz_%d_04.png", evt));
delete can2;
delete h; h = 0;
phi_values.clear(); global_r_values.clear(); relative_r_values.clear();
std::vector<float>().swap(phi_values);
std::vector<float>().swap(relative_r_values);
std::vector<float>().swap(global_r_values);
return ctz;
}
void Mocktilt_plan2_histo_zFinding (Int_t target) {
ifstream myfile("plan2_tilted_upper_everyThing_0.4.txt");
if (!myfile .is_open()) {
cout << "Unable to open sorted file." << endl;
system("read -n 1 -s -p \"Press any key to continue...\" echo");
exit(1);
}
ofstream outFile("plan2_histo_foundZ_0.4.txt", std::ios_base::app);
if (!outFile .is_open()) {
cout << "Unable to open modified file." << endl;
system("read -n 1 -s -p \"Press any key to continue...\" echo");
exit(1);
}
int event_num;
int indicator = 990; int cntr = 0;
float global_x, global_y, global_z;
vector<float> gx, gy, gz;
vector<int> evt;
string line_in, fragment;
while(getline(myfile, line_in)) {
stringstream str(line_in);
getline(str, fragment, ',');
event_num = stoi(fragment);
// getline(str, fragment, ','); getline(str, fragment, ','); getline(str, fragment, ',');
// getline(str, fragment, ','); getline(str, fragment, ','); getline(str, fragment, ',');
// getline(str, fragment, ','); getline(str, fragment, ','); getline(str, fragment, ',');
// getline(str, fragment, ','); getline(str, fragment, ','); getline(str, fragment, ',');
// getline(str, fragment, ','); getline(str, fragment, ','); getline(str, fragment, ',');
// getline(str, fragment, ','); getline(str, fragment, ','); getline(str, fragment, ',');
getline(str, fragment, ',');
global_x = stof(fragment);
getline(str, fragment, ',');
global_y = stof(fragment);
getline(str, fragment, ',');
global_z = stof(fragment);
// getline(str, fragment, ','); getline(str, fragment, ','); getline(str, fragment, ',');
// getline(str, fragment, ','); getline(str, fragment, ','); getline(str, fragment, ',');
// getline(str, fragment, ',');
// vertex_x = stod(fragment);
// getline(str, fragment, ',');
// vertex_y = stod(fragment);
// getline(str, fragment, ',');
// vertex_z = stod(fragment);
if (indicator != event_num) {
if (cntr >= target) {
float re;
if (gx.size() > ls_cut) {
re = zScan2(evt[0], gx, gy, gz, threshold_eta_l, threshold_phi_l);
}else {
re = zScan2(evt[0], gx, gy, gz, threshold_eta_s, threshold_phi_s);
}
outFile << indicator << "," << re << "," << gx.size() << endl;
}
cntr++;
indicator = event_num;
gx.clear();
gy.clear();
gz.clear();
evt.clear();
std::vector<float>().swap(gx);
std::vector<float>().swap(gy);
std::vector<float>().swap(gz);
std::vector<int>().swap(evt);
}
gx.push_back(global_x);
gy.push_back(global_y);
gz.push_back(global_z);
evt.push_back(event_num);
}
}