validation/calo/plot_nodes.C

0001 #include <TCanvas.h>
0002 #include <TFile.h>
0003 #include <TH1.h>
0004 #include <TString.h>
0005 #include <TText.h>
0006
0007 #include <iostream>
0008
0009 void plot_nodes()
0010 {
0011     TFile *file = new TFile("HIST_CALOR_QA-00043901-0004.root", "READ");
0012
0013     TString name = "h_CaloValid_nodes_exists";
0014     TH1 *hist = (TH1*)file->Get(name.Data());
0015
0016     TCanvas *c1 = new TCanvas("c1", "Histogram with Bin Labels", 800, 600);
0017
0018     hist->Draw();
0019
0020     //label each bin
0021
0022     std::string binNames[] = {"GlobalVertexMap", "TOWERINFO_CALIB_CEMC", "TOWERINFO_CALIB_HCALIN", "TOWERINFO_CALIB_HCALOUT", "TOWERINFO_CALIB_ZDC", "TOWERS_ZDC", "TOWERS_CEMC", "TOWERS_HCALOUT", "TOWERS_HCALIN", "MbdPmtContainer", "CLUSTERINFO_POS_COR_CEMC"};
0023
0024     int size = sizeof(binNames)/sizeof(binNames[0]);
0025
0026     for (int i=0; i<size; i++)
0027     {
0028         std::cout << binNames[i] << std::endl;
0029     }
0030
0031     for (int i = 1; i <= hist->GetNbinsX(); i++)
0032     {
0033         float binCenter = hist->GetBinCenter(i);
0034         float binContent = hist->GetBinContent(i);
0035         // Create a TText object
0036         TText *text = new TText(binCenter, binContent + 1, binNames[i-1].c_str());
0037         //TText *text = new TText(binCenter, binContent + 1, Form(binNames[i-1].c_str()));
0038         //TText *text = new TText(binCenter, binContent + 1, Form("Bin %d", i));
0039         // Set text alignment (centered)
0040         text->SetTextAlign(22);
0041         text->SetTextSize(0.04);
0042         text->SetTextAngle(90);
0043         text->Draw();
0044     }
0045
0046     c1->Update();
0047 }