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Commit | Line | Data |
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9ecab72f | 1 | /** |
2 | * @file | |
3 | * | |
4 | * Scripts to draw energy loss fits from correction object file | |
5 | * | |
f0ef1e71 | 6 | * @ingroup pwg2_forward_scripts_corr |
9ecab72f | 7 | */ |
8 | /** | |
9 | * Clear canvas | |
10 | * | |
11 | * @param c Canvas to clear | |
12 | * | |
f0ef1e71 | 13 | * @ingroup pwg2_forward_scripts_corr |
9ecab72f | 14 | */ |
15 | void | |
16 | ClearCanvas(TCanvas* c) | |
17 | { | |
18 | c->SetLeftMargin(.1); | |
19 | c->SetRightMargin(.05); | |
20 | c->SetBottomMargin(.1); | |
21 | c->SetTopMargin(.05); | |
22 | c->Clear(); | |
23 | } | |
24 | ||
25 | /** | |
26 | * Draw energy loss fits to a multi-page PDF. | |
27 | * | |
28 | * @par Input: | |
29 | * The input file is expected to contain a AliFMDCorrELossFit object | |
970b1a8a | 30 | * named @c elossfits in the top level directory. |
9ecab72f | 31 | * |
970b1a8a | 32 | * @par Output: |
9ecab72f | 33 | * A multi-page PDF. Note, that the PDF generated by ROOT in this way |
34 | * is broken (cannot be read by Acrobat Reader on Windows and MacOSX) | |
35 | * and one should pass it through a filter to correct these problems. | |
36 | * | |
37 | * @param fname File name | |
38 | * @param option Drawing options | |
39 | * | |
f0ef1e71 | 40 | * @ingroup pwg2_forward_scripts_corr |
9ecab72f | 41 | */ |
42 | void | |
43 | DrawCorrAcc2(const char* fname, const char* option="colz") | |
44 | { | |
45 | //__________________________________________________________________ | |
46 | // Load libraries and object | |
47 | gROOT->Macro("$ALICE_ROOT/PWG2/FORWARD/analysis2/scripts/LoadLibs.C"); | |
48 | ||
49 | TFile* file = TFile::Open(fname, "READ"); | |
50 | if (!file) { | |
51 | Error("DrawCorrAcc", "Failed to open %s", fname); | |
52 | return; | |
53 | } | |
54 | TString pname(fname); | |
55 | pname.ReplaceAll(".root", ".pdf"); | |
56 | ||
57 | const char* objName = | |
58 | AliForwardCorrectionManager::Instance() | |
59 | .GetObjectName(AliForwardCorrectionManager::kAcceptance); | |
60 | AliFMDCorrAcceptance* corr = | |
61 | static_cast<AliFMDCorrAcceptance*>(file->Get(objName)); | |
62 | if (!corr) { | |
63 | Error("DrawCorrAcc", "Object '%s' not found in %s", objName, fname); | |
64 | return; | |
65 | } | |
66 | ||
67 | //__________________________________________________________________ | |
68 | // Create a canvas | |
69 | // TCanvas* c = new TCanvas("c", "c", 800 / TMath::Sqrt(2), 800); | |
70 | TCanvas* c = new TCanvas("c", "c", 800, 800 / TMath::Sqrt(2)); | |
71 | c->SetFillColor(0); | |
72 | c->SetBorderSize(0); | |
73 | c->SetBorderMode(0); | |
74 | ||
75 | gStyle->SetOptStat(0); | |
76 | gStyle->SetTitleColor(0); | |
77 | gStyle->SetTitleStyle(0); | |
78 | gStyle->SetTitleBorderSize(0); | |
79 | gStyle->SetTitleX(.1); | |
80 | gStyle->SetTitleY(1); | |
81 | gStyle->SetTitleW(.8); | |
82 | gStyle->SetTitleH(.09); | |
83 | gStyle->SetFrameFillColor(kWhite); | |
84 | gStyle->SetFrameBorderSize(1); | |
85 | gStyle->SetFrameBorderMode(1); | |
86 | gStyle->SetPalette(1); | |
87 | ||
88 | ClearCanvas(c); | |
89 | const TAxis& vtxAxis = corr->GetVertexAxis(); | |
90 | Int_t nVtx = vtxAxis.GetNbins(); | |
91 | c->Divide((nVtx+2)/3, 3, 0, 0); | |
92 | Int_t ipad = 0; | |
93 | ||
94 | //__________________________________________________________________ | |
95 | // Draw all corrections | |
96 | for (UShort_t v = 1; v <= nVtx; v++) { | |
97 | ipad++; | |
98 | if (ipad == 1 || ipad == 12) ipad++; | |
99 | ||
100 | TVirtualPad* p = c->cd(ipad); | |
101 | p->SetFillColor(kWhite); | |
102 | ||
103 | THStack* stack = new THStack(Form("vtx%02d", v), | |
104 | Form("%+5.1f<v_{z}<%+5.1f", | |
105 | vtxAxis.GetBinLowEdge(v), | |
106 | vtxAxis.GetBinUpEdge(v))); | |
107 | for (UShort_t d = 1; d <= 3; d++) { | |
108 | UShort_t nQ = (d == 1 ? 1 : 2); | |
109 | for (UShort_t q = 0; q < nQ; q++) { | |
110 | Char_t r = (q == 0 ? 'I' : 'O'); | |
111 | ||
112 | TH2* h1 = corr->GetCorrection(d, r, v); | |
113 | if (!h1) { | |
114 | Warning("DrawCorrAcc", "No correction for r=%c, v=%d", r, v); | |
115 | continue; | |
116 | } | |
117 | TH1* hh = h1->ProjectionX(Form("FMD%d%c", d, r)); | |
118 | hh->Scale(1. / h1->GetNbinsY()); | |
119 | hh->SetDirectory(0); | |
120 | hh->SetMarkerColor(AliForwardUtil::RingColor(d, r)); | |
121 | ||
122 | stack->Add(hh); | |
123 | } | |
124 | } | |
125 | stack->SetMaximum(1.2); | |
126 | stack->Draw("nostack"); | |
127 | } | |
128 | //__________________________________________________________________ | |
129 | // Close output file | |
130 | c->SaveAs("acceptance.png"); | |
131 | } | |
132 | // | |
133 | // EOF | |
134 | // |