2 * @file DrawBeforeAfter.C
3 * @author Christian Holm Christensen <cholm@nbi.dk>
4 * @date Thu Nov 17 11:18:18 2011
6 * @brief Script to draw the before/after merging energy loss spectra
8 * @deprecated Use QATrender instead
9 * @ingroup pwg2_forward_scripts_qa
28 * Draw the before/after merging image for a single ring
30 * @param p Parent list
34 * @deprecated Use QATrender instead
35 * @ingroup pwg2_forward_scripts_qa
38 DrawRingBeforeAfter(TList* p, UShort_t d, Char_t r)
42 TList* ring = static_cast<TList*>(p->FindObject(Form("FMD%d%c",d,r)));
44 Error("DrawBeforeAfter", "List FMD%d%c not found in %s",d,r,p->GetName());
48 TH2* corr = static_cast<TH2D*>(ring->FindObject("beforeAfter"));
50 Error("DrawRingBeforeAfter", "Histogram esdEloss not found in FMD%d%c",
55 gPad->SetFillColor(0);
56 corr->SetTitle(Form("FMD%d%c",d,r));
59 corr->GetXaxis()->SetRangeUser(-.5, 4);
60 corr->GetYaxis()->SetRangeUser(-.5, 4);
66 * Draw the before/after sharing image for all rings
68 * @param filename Input file name
69 * @param folder Input folder in file
71 * @deprecated Use QATrender instead
72 * @ingroup pwg2_forward_scripts_qa
75 DrawBeforeAfter(const char* filename="forward.root",
76 const char* folder="ForwardResults")
78 gStyle->SetPalette(1);
80 gStyle->SetOptStat(0);
81 gStyle->SetOptTitle(1);
82 gStyle->SetTitleW(.4);
83 gStyle->SetTitleH(.1);
84 gStyle->SetTitleColor(0);
85 gStyle->SetTitleStyle(0);
86 gStyle->SetTitleBorderSize(0);
87 gStyle->SetTitleX(.6);
89 TFile* file = TFile::Open(filename, "READ");
91 Error("DrawBeforeAfter", "failed to open %s", filename);
95 TList* forward = static_cast<TList*>(file->Get(folder));
97 Error("DrawBeforeAfter", "List %s not found in %s", folder, filename);
101 TList* sf = static_cast<TList*>(forward->FindObject("fmdSharingFilter"));
103 Error("DrawBeforeAfter", "List fmdSharingFilter not found in Forward");
107 TCanvas* c = new TCanvas("beforeAfter",
108 "Signals before and after merging", 900, 700);
111 c->SetLeftMargin(0.15);
112 c->SetRightMargin(0.02);
113 c->SetTopMargin(0.02);
114 c->Divide(3, 2, 0, 0);
116 c->cd(1); DrawRingBeforeAfter(sf, 1, 'I');
117 c->cd(2); DrawRingBeforeAfter(sf, 2, 'I');
118 c->cd(5); DrawRingBeforeAfter(sf, 2, 'O');
119 c->cd(3); DrawRingBeforeAfter(sf, 3, 'I');
120 c->cd(6); DrawRingBeforeAfter(sf, 3, 'O');
121 TVirtualPad* p = c->cd(4);
122 // p->SetTopMargin(0.05);
123 p->SetRightMargin(0.15);
125 TH2D* highCuts = static_cast<TH2D*>(sf->FindObject("highCuts"));
126 if (highCuts) highCuts->Draw("colz");
128 c->SaveAs("beforeAfter.png");