Gabriele Cosmo
75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
// Draw Longitudinal Shower Profile
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#include "TH1D.h"
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#include "TFile.h"
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#include "THStack.h"
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#include "TCanvas.h"
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#include "TString.h"
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#include "TLegend.h"
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TCanvas *cmpL() {
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//TString dataDir("/net/llrdata1.in2p3.fr/data/DATA/data.harpo/BH5D/");
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TString dataDir("./");
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TString dataFile[2];
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dataFile[0] = "gflash00.root";
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dataFile[1] = "gflash01.root";
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TFile *f[2];
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TProfile *p[2];
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// UInt_t col[] = { kRed, kBlue, kGreen, kViolet };
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UInt_t col[] = { kRed, kGreen, kBlue, kViolet };
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// UInt_t mark[] = { 20, 32, 21, 22};
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UInt_t mark[] = { 20, 21, 32, 22};
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//
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THStack *hs = new THStack("hs","");
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for (UInt_t i = 0; i < 2; i++) {
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TString tmp = dataDir + dataFile[i];
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f[i] = TFile::Open(tmp);
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if (!f[i]) return 0;
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p[i] = (TProfile *) (f[i])->Get("p0");
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//ShiftUp(p[i],0.0);
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// histogram
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p[i]->SetFillColor(col[i]);
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p[i]->SetLineStyle(i+2);
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p[i]->SetLineColor(col[i]);
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p[i]->SetLineWidth(2);
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p[i]->SetMarkerStyle(mark[i]);
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p[i]->SetMarkerColor(col[i]);
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p[i]->SetMarkerSize(1.5);
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hs->Add(p[i]);
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}
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TCanvas *cst = new TCanvas("cst","stacked hists",10,10,800,700);
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//gPad->SetGrid();
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hs->Draw("p,nostack");
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hs->SetTitle("Longitudinal Profile");
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hs->GetXaxis()->SetTitle("Depth (RadLen)");
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hs->GetYaxis()->SetTitle("E/E_{tot} (%/RadLen)");
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cst->RedrawAxis();
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cst->Update();
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TLegend* legend = new TLegend(0.79,0.84,0.94,0.94);
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legend->AddEntry(p[0],"full ","p");
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legend->AddEntry(p[1],"gflash","p");
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legend->Draw();
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cst->Update();
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//img->FromPad(c, 10, 10, 300, 200);
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// TImage *img = TImage::Create();
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// img->FromPad(cst);
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// img->WriteImage("hist0-640MeV-p.png");
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// for (UInt_t i = 0; i < 4; i++) {
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// f[i]->Close();
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// }
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return cst;
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}
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