void KVCanvas::ProjectionX(TH2* hh)
{
TString pname = Form("%s_px", hh->GetName());
Int_t ip = 1;
while (gROOT->FindObject(pname.Data())) {
pname = Form("%s_px%d", hh->GetName(), ip);
ip++;
}
TH1* px = hh->ProjectionX(pname.Data());
if (!px) return;
Double_t minY = (hh->GetYaxis()->GetXmin());
Double_t maxY = (hh->GetYaxis()->GetXmax());
Double_t dY = (maxY - minY) * 0.8;
Double_t maxH = px->GetBinContent(px->GetMaximumBin());
TGraph* gg = 0;
if ((gg = (TGraph*)gROOT->FindObject(Form("%s_gjx", hh->GetName())))) gg->Delete();
gg = new TGraph;
for (int i = 0; i < px->GetNbinsX(); i++) {
gg->SetPoint(i, px->GetBinCenter(i), minY + px->GetBinContent(i)*dY / maxH);
}
gg->SetName(Form("%s_gjx", hh->GetName()));
gg->SetTitle(Form("%s_gjx", hh->GetName()));
gg->SetLineColor(kBlack);
gg->SetMarkerColor(kBlack);
gg->SetMarkerStyle(8);
gg->Draw("PL");
Modified();
Update();
}
//===============================================================================
void Calibration(){
//===============================================================================
gStyle->SetOptTitle(0);
//The root files with the individual plots
const int numberoffiles = 4;
const int numberofchambers = 6;
TString filename[numberoffiles];
//mu-
filename[0]="testcalo_mu-_50.root";
filename[1]="testcalo_mu-_100.root";
filename[2]="testcalo_mu-_150.root";
filename[3]="testcalo_mu-_200.root";
//Energy distributions we want to fit
TString energy[numberofchambers];
//nosmear
// energy[0] = "histo/6";
// energy[1] = "histo/7";
// energy[2] = "histo/8";
// energy[3] = "histo/9";
// energy[4] = "histo/10";
// energy[5] = "histo/11";
//smeared
energy[0] = "histo/18";
energy[1] = "histo/19";
energy[2] = "histo/20";
energy[3] = "histo/21";
energy[4] = "histo/22";
energy[5] = "histo/23";
double mpshift = 0;//-0.22278298;
TGraphErrors *grMPV[numberoffiles];
TString mpvname[numberoffiles];
TGraphErrors *grSigma[numberoffiles];
TString sigmaname[numberoffiles];
//For the mpv and sigma plot
const Int_t nch = 6;
char *chamb[nch] = {"Std1","Star","Mirror","Snake","Spider","Std2"};
std::vector<double> chambb;
chambb.push_back(1.);chambb.push_back(2.);chambb.push_back(3.);chambb.push_back(4.);chambb.push_back(5.);chambb.push_back(6.);
std::vector<double> mpv;
std::vector<double> thesigma;
std::vector<double> chamr;
std::vector<double> mpvr;
std::vector<double> thesigmaerr;
//The TH2F to save the histos with mpv and sigma for the different energies
TH2F * mpvhistos[numberoffiles];
TH2F * sigmahistos[numberoffiles];
//======================================================================================
//Canvas
TCanvas *can[numberoffiles][numberofchambers];
TString canname;
TCanvas *canmpv[numberoffiles];
//======================================================================================
//Read the files and histograms here
TFile* files[numberoffiles];
for (int k=0; k<numberoffiles; k++){
files[k]= new TFile(filename[k]);
}
TH1F * histo[numberoffiles][numberofchambers];
for (int i=0; i<numberoffiles; i++){
gROOT->Reset();
mpvname[i] = "MPV_" + filename[i];
sigmaname[i] = "Sigma" + filename[i];
mpvhistos[i] = new TH2F(mpvname[i],mpvname[i],nch,0,nch,300,0.7,1.0);
sigmahistos[i] = new TH2F(sigmaname[i],sigmaname[i],nch,0,nch,300,0.7,1.0);
//mpvhistos[i]->SetStats(0);
sigmahistos[i]->SetStats(0);
for (int k=0; k<numberofchambers; k++){
histo[i][k]= (TH1F*) files[i]->Get(energy[k]);
if (!histo[i][k]){std::cerr << "Could not get histogram " << energy[k] << "in file "
<< files[i]->GetName() << std::endl;}
std::cout << "=========================================================================" << std::endl;
std::cout << files[i]->GetName() << std::endl;
canname = filename[i] + histo[i][k]->GetName();
can[i][k] = new TCanvas(canname, canname,800,600);
can[i][k]->cd();
histo[i][k]->Draw();
TF1 *fit = 0;
double mpc = 0;
double minfit = 0.;
double maxfit = 0.05;
histo[i][k]->Fit("landau","R+","same",minfit,maxfit);
fit = (TF1*) histo[i][k]->GetFunction("landau");
mpc = fit->GetParameter(1) - mpshift * fit->GetParameter(2);
mpvhistos[i]->GetXaxis()->SetBinLabel( (k+1) , chamb[k]);
sigmahistos[i]->GetXaxis()->SetBinLabel( (k+1) , chamb[k]);
mpvhistos[i]->Fill(k , mpc * 1000. );
// mpvhistos[i]->SetBinError( (k+1) , fit->GetParError(1) );
sigmahistos[i]->Fill( k , fit->GetParameter(2) * 1000.);
// sigmahistos[i]->SetBinError( (k+1) , fit->GetParError(2) );
mpv.push_back(mpc);
mpvr.push_back(fit->GetParError(1));
chamr.push_back(0.);
thesigma.push_back(fit->GetParameter(2));
thesigmaerr.push_back(fit->GetParError(2));
// if(i==0) {mpvname = "grMPV_50GeV"; sigmaname = "grSigma_50GeV";}
// if(i==1) {mpvname = "grMPV_100GeV";sigmaname = "grSigma_100GeV";}
// if(i==2) {mpvname = "grMPV_150GeV";sigmaname = "grSigma_150GeV";}
// if(i==3) {mpvname = "grMPV_200GeV";sigmaname = "grSigma_200GeV";}
std::cout << "Chamber " << k << " MPV "<< mpc << std::endl;
can[i][k]->Print(canname + ".root",".root");
can[i][k]->Close();
}// end of loop over histos
TCanvas *c1 = new TCanvas("c1","mpv",200,10,700,500);
mpvhistos[i]->GetXaxis()->SetTitle("Chamber");
mpvhistos[i]->GetYaxis()->SetTitle("Landau MPV (MIPs) (keV) ");
// mpvhistos[i]->GetXaxis()->SetTitleOffset(1.2);
// mpvhistos[i]->GetYaxis()->SetTitleOffset(1.3);
mpvhistos[i]->GetXaxis()->SetTitleSize(0.045);
mpvhistos[i]->GetYaxis()->SetTitleSize(0.045);
mpvhistos[i]->GetXaxis()->SetTitleFont(42);
mpvhistos[i]->GetYaxis()->SetTitleFont(42);
mpvhistos[i]->SetMarkerStyle(20);
mpvhistos[i]->SetMarkerSize(1.2);
mpvhistos[i]->SetLineColor(2);
mpvhistos[i]->Draw();
c1->Update();
// TGraphErrors *gr = new TGraphErrors(mpv.size(),&chamb[0],&mpv[0],&mpvr[0],&chamr[0]);
TGraph *gr = new TGraph(mpv.size(),&chambb[0],&mpv[0]);
gr->Draw("CPS");
c1->Update();
c1->Print(mpvname[i]+".png",".png");
gr->Delete();
c1->Close();
// // c1->Print("mpv.png",".png");
// c1->Close();
thesigma.clear();
thesigmaerr.clear();
chamr.clear();
mpv.clear();
mpvr.clear();
// TCanvas *c1 = new TCanvas("c1","mpv",200,10,700,500);
// TGraphErrors *gr = new TGraphErrors(mpv.size(),&chamb[0],&mpv[0],&mpvr[0],&chamr[0]);
// gr->SetMarkerStyle(20);
// gr->SetMarkerSize(1.0);
// // gr->GetYaxis()->SetRangeUser(0.,100.);
// //gr->GetXaxis()->SetRangeUser(0.,300.);
// gr->SetTitle(mpvname[i]);
// gr->GetHistogram()->SetXTitle(" Chamber ");
// gr->GetHistogram()->SetYTitle(" Landau MPV (MIPs) ");
// gr->GetYaxis()->SetTitleOffset(1.6);
// TCanvas *c1 = new TCanvas("c1","mpv",200,10,700,500);
// gr->Draw("APL");
// c1->Update();
// c1->Print(mpvname[i]+".png",".png");
// c1->Close();
// mpv.clear();
// mpvr.clear();
// TGraphErrors *grs = new TGraphErrors(thesigma.size(),&chamb[0],&thesigma[0],&thesigmaerr[0],&chamr[0]);
// grs->SetMarkerStyle(20);
// grs->SetMarkerSize(1.0);
// // grs->GetYaxis()->SetRangeUser(0.,100.);
// //grs->GetXaxis()->SetRangeUser(0.,300.);
// grs->SetTitle(sigmaname[i]);
// grs->GetHistogram()->SetXTitle(" Chamber ");
// grs->GetHistogram()->SetYTitle(" Sigma ");
// grs->GetYaxis()->SetTitleOffset(1.6);
// TCanvas *c2 = new TCanvas("c2","sigma",200,10,700,500);
// grs->Draw("APL");
// c2->Update();
// c2->Print(sigmaname[i]+".png",".png");
// c2->Close();
// thesigma.clear();
// thesigmaerr.clear();
// chamr.clear();
// gr->Delete();
// c1->Close();
// c1->Close();
}// end of loop over files
// for (int i=0; i<numberoffiles; i++){
// // mpvhistos[i]->Draw(i==0?"":"same");
// mpvhistos[i]->GetXaxis()->SetTitle("Chamber");
// mpvhistos[i]->GetYaxis()->SetTitle("Landau MPV (MIPs) (keV) ");
// // mpvhistos[i]->GetXaxis()->SetTitleOffset(1.2);
// // mpvhistos[i]->GetYaxis()->SetTitleOffset(1.3);
// mpvhistos[i]->GetXaxis()->SetTitleSize(0.045);
// mpvhistos[i]->GetYaxis()->SetTitleSize(0.045);
// mpvhistos[i]->GetXaxis()->SetTitleFont(42);
// mpvhistos[i]->GetYaxis()->SetTitleFont(42);
// mpvhistos[i]->SetMarkerStyle(20);
// mpvhistos[i]->SetMarkerSize(1.2);
// mpvhistos[i]->SetLineColor(2);
// mpvhistos[i]->Draw();
// TGraph *gr = new TGraph(n,x,y);
// c1->Update();
// c1->Print(mpvname[i]+".png",".png");
// gr->Delete();
// }
// // c1->Print("mpv.png",".png");
// c1->Close();
}