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ab99804f | 1 | // $Id$ |
2 | ||
3 | #include <iostream.h> | |
4 | ||
5 | void hits() | |
6 | { | |
7 | hits("FMD","1"); | |
ab99804f | 8 | hits("PHOS","1"); |
8518c5ee | 9 | hits("START","1"); |
10 | hits("TOF","2"); | |
11 | hits("TPC","2"); | |
12 | ||
13 | //hits("ITS","5"); | |
14 | //hits("MUON","0"); | |
15 | //hits("PMD","1"); | |
16 | //hits("RICH","1"); | |
ab99804f | 17 | } |
18 | ||
19 | void hits(const TString& detName, const TString& detVersion) | |
20 | { | |
8518c5ee | 21 | cout << detName << endl; |
22 | ||
ab99804f | 23 | // labels |
24 | TString g3 = "G3: "; | |
25 | TString g4 = "G4: "; | |
26 | ||
27 | // construct file names | |
28 | TString top = getenv("ALICE_ROOT"); | |
29 | TString f1NameEnd = "test10.root"; | |
30 | TString f2NameEnd = "test20.root"; | |
8518c5ee | 31 | |
ab99804f | 32 | TString g3File1Name = top + "/test/" + f1NameEnd; |
33 | TString g3File2Name = top + "/test/" + f2NameEnd; | |
34 | TString g4File1Name = top + "/AliGeant4/test/" + f1NameEnd; | |
35 | TString g4File2Name = top + "/AliGeant4/test/" + f2NameEnd; | |
36 | ||
37 | cout << "Files: " << endl; | |
38 | cout << g3File1Name << endl; | |
39 | cout << g3File2Name << endl; | |
40 | cout << g4File1Name << endl; | |
41 | cout << g4File2Name << endl; | |
42 | ||
43 | // link shared libs | |
44 | if (gClassTable->GetID("AliRun") < 0) { | |
45 | gROOT->LoadMacro("loadlibs.C"); | |
46 | loadlibs(); | |
47 | } | |
48 | cout << "AliRoot libraries were loaded." << endl; | |
49 | ||
50 | // set histogram ranges | |
51 | Int_t nbin; | |
52 | Int_t g3xmin; Int_t g4xmin; Int_t g3xmax; Int_t g4xmax; | |
53 | Int_t g3ymin; Int_t g4ymin; Int_t g3ymax; Int_t g4ymax; | |
54 | Int_t g3zmin; Int_t g4zmin; Int_t g3zmax; Int_t g4zmax; | |
55 | SetHistogramRanges(detName, nbin, | |
56 | g3xmin, g3xmax, g4xmin, g4xmax, | |
57 | g3ymin, g3ymax, g4ymin, g4ymax, | |
58 | g3zmin, g3zmax, g4zmin, g4zmax); | |
59 | ||
60 | ||
61 | // create histograms | |
62 | TH1F* g3x = new TH1F("g3x", g3 + detName + " hits per x", nbin, g3xmin, g3xmax); | |
63 | TH1F* g3xh = new TH1F("g3xh", g3 + detName + " hits per x", nbin, g3xmin, g3xmax); | |
64 | TH1F* g4x = new TH1F("g4x", g4 + detName + " hits per x", nbin, g4xmin, g4xmax); | |
65 | TH1F* g4xh = new TH1F("g4xh", g4 + detName + " hits per x", nbin, g4xmin, g4xmax); | |
66 | ||
67 | TH1F* g3z = new TH1F("g3z", g3 + detName + " hits per z", nbin, g3zmin, g3zmax); | |
68 | TH1F* g3zh = new TH1F("g3zh", g3 + detName + " hits per z", nbin, g3zmin, g3zmax); | |
69 | TH1F* g4z = new TH1F("g4z", g4 + detName + " hits per z", nbin, g4zmin, g4zmax); | |
70 | TH1F* g4zh = new TH1F("g4zh", g4 + detName + " hits per z", nbin, g4zmin, g4zmax); | |
71 | ||
72 | TH1F* g3y = 0; | |
73 | TH1F* g3yh = 0; | |
74 | TH1F* g4y = 0; | |
75 | TH1F* g4yh = 0; | |
76 | if (detName == "PHOS") { | |
77 | TH1F* g3y = new TH1F("g3y", g3 + detName + " hits per y", nbin, g3ymin, g3ymax); | |
78 | TH1F* g3yh = new TH1F("g3yh", g3 + detName + " hits per y", nbin, g3ymin, g3ymax); | |
79 | TH1F* g4y = new TH1F("g4y", g4 + detName + " hits per y", nbin, g4ymin, g4ymax); | |
80 | TH1F* g4yh = new TH1F("g4yh", g4 + detName + " hits per y", nbin, g4ymin, g4ymax); | |
81 | } | |
82 | ||
83 | cout << "Histograms were created." << endl; | |
84 | ||
85 | // fill histograms | |
86 | AliDetector* detector; | |
87 | ||
74eaafe2 | 88 | detector = LoadDetector(g3File1Name, detName, g3); |
89 | FillHistogram(detector, g3, g3x, g3y, g3z); | |
ab99804f | 90 | |
8518c5ee | 91 | detector = LoadDetector(g3File2Name, detName, g3); |
f2b0ecac | 92 | FillHistogram(detector, g3, g3xh, g3yh, g3zh); |
8518c5ee | 93 | //TH1F* g3xh = LoadHistograms("g3xh"); |
94 | //TH1F* g3zh = LoadHistograms("g3zh"); | |
ab99804f | 95 | |
f2b0ecac | 96 | detector = LoadDetector(g4File1Name, detName, g4); |
97 | FillHistogram(detector, g4, g4x, g4y, g4z); | |
ab99804f | 98 | |
8518c5ee | 99 | detector = LoadDetector(g4File2Name, detName, g4); |
f2b0ecac | 100 | FillHistogram(detector, g4, g4xh, g4yh, g4zh); |
ab99804f | 101 | |
102 | // compose picture name | |
103 | TString gifNameBase = "hits" + detName + "v" + detVersion; | |
104 | TString title = detName + " hits"; | |
105 | ||
74eaafe2 | 106 | // draw histograms (G3, G4 in one canvas) |
8518c5ee | 107 | DrawHistograms(title, gifNameBase + ".gif", g3xh, g4xh, g3zh, g4zh); |
108 | if (detName == "PHOS") | |
109 | DrawHistograms(title, gifNameBase + "2.gif", g3yh, g4yh, g3zh, g4zh); | |
110 | ||
111 | //DrawHistograms(title, gifNameBase + "_x.gif", g3x, g4x, g3xh, g4xh); | |
112 | //DrawHistograms(title, gifNameBase + "_y.gif", g3y, g4y, g3yh, g4yh); | |
113 | //DrawHistograms(title, gifNameBase + "_z.gif", g3z, g4z, g3zh, g4zh); | |
114 | ||
74eaafe2 | 115 | // draw histograms (one by one) |
116 | DrawHistogram(title, "g3x_"+ gifNameBase + ".gif", g3xh); | |
117 | DrawHistogram(title, "g4x_"+ gifNameBase + ".gif", g4xh); | |
118 | DrawHistogram(title, "g3z_"+ gifNameBase + ".gif", g3zh); | |
119 | DrawHistogram(title, "g4z_"+ gifNameBase + ".gif", g4zh); | |
120 | ||
ab99804f | 121 | } |
122 | ||
123 | void SetHistogramRanges(TString& detName, Int_t& nbin, | |
124 | Int_t& g3xmin, Int_t& g3xmax, | |
125 | Int_t& g4xmin, Int_t& g4xmax, | |
126 | Int_t& g3ymin, Int_t& g3ymax, | |
127 | Int_t& g4ymin, Int_t& g4ymax, | |
128 | Int_t& g3zmin, Int_t& g3zmax, | |
129 | Int_t& g4zmin, Int_t& g4zmax) | |
130 | { | |
131 | nbin = 200; | |
132 | ||
133 | g3xmin = 0; g4xmin = g3xmin; | |
134 | g3xmax = 1; g4xmax = g3xmax; | |
135 | g3ymin = 0; g4ymin = g3xmin; | |
136 | g3ymax = 1; g4ymax = g3xmax; | |
137 | g3zmin = 0; g4zmin = g3zmin; | |
138 | g3zmax = 1; g4zmax = g3zmax; | |
139 | ||
140 | if (detName == "FMD") { | |
8518c5ee | 141 | g3xmin = -50; g4xmin = g3xmin; |
142 | g3xmax = 50; g4xmax = g3xmax; | |
143 | g3zmin = -700; g4zmin = g3zmin; | |
144 | g3zmax = 150; g4zmax = g3zmax; | |
ab99804f | 145 | } |
146 | else if (detName == "ITS") { | |
147 | g3xmin = -60; g4xmin = g3xmin; | |
148 | g3xmax = 60; g4xmax = g3xmax; | |
149 | g3zmin = -60; g4zmin = g3zmin; | |
150 | g3zmax = 60; g4zmax = g3zmax; | |
151 | } | |
152 | else if (detName == "MUON") { | |
153 | g3xmin = -450; g4xmin = g3xmin; | |
154 | g3xmax = 450; g4xmax = g3xmax; | |
155 | g3zmin = 400; g4zmin = g3zmin; | |
156 | g3zmax = 1800; g4zmax = g3zmax; | |
157 | } | |
158 | else if (detName == "PHOS") { | |
159 | g3xmin = -400; g4xmin = g3xmin; | |
160 | g3xmax = 400; g4xmax = g3xmax; | |
8518c5ee | 161 | g3ymin = 250; g4ymin = g3ymin; |
162 | g3ymax = 500; g4ymax = g3ymax; | |
ab99804f | 163 | g3zmin = -80; g4zmin = g3zmin; |
164 | g3zmax = 80; g4zmax = g3zmax; | |
165 | } | |
166 | else if (detName == "PMD") { | |
167 | g3xmin = -200; g4xmin = g3xmin*10; | |
168 | g3xmax = 200; g4xmax = g3xmax*10; | |
169 | g3zmin = -582; g4zmin = g3zmin*10; | |
170 | g3zmax = -578; g4zmax = g3zmax*10; | |
171 | } | |
8518c5ee | 172 | else if (detName == "RICH") { |
173 | g3xmin = -250; g4xmin = g3xmin; | |
174 | g3xmax = 250; g4xmax = g3xmax; | |
175 | g3zmin = -250; g4zmin = g3zmin; | |
176 | g3zmax = 250; g4zmax = g3zmax; | |
177 | } | |
ab99804f | 178 | else if (detName == "START") { |
179 | g3xmin = -10; g4xmin = g3xmin; | |
180 | g3xmax = 10; g4xmax = g3xmax; | |
181 | g3zmin = -80; g4zmin = g3zmin; | |
182 | g3zmax = 80; g4zmax = g3zmax; | |
183 | } | |
184 | else if (detName == "TOF") { | |
185 | g3xmin = -400; g4xmin = g3xmin; | |
186 | g3xmax = 400; g4xmax = g3xmax; | |
187 | g3zmin = -400; g4zmin = g3zmin; | |
188 | g3zmax = 400; g4zmax = g3zmax; | |
189 | } | |
190 | else if (detName == "TPC") { | |
191 | g3xmin = -300; g4xmin = g3xmin; | |
192 | g3xmax = 300; g4xmax = g3xmax; | |
193 | g3zmin = -300; g4zmin = g3zmin; | |
194 | g3zmax = 300; g4zmax = g3zmax; | |
195 | } | |
196 | } | |
197 | ||
198 | AliDetector* LoadDetector(TString& fileName, TString& detName, TString& label) | |
199 | { | |
200 | // connect the Root files | |
201 | TFile* file = new TFile(fileName); | |
202 | if (!file) { | |
203 | cerr << "Root file was not found." << endl; | |
204 | return 0; | |
205 | } | |
206 | ||
207 | // get AliRun object from file | |
208 | if (gAlice) delete gAlice; | |
209 | gAlice = 0; | |
210 | gAlice = (AliRun*)file->Get("gAlice"); | |
211 | if (!gAlice) { | |
212 | cerr << label << "AliRun object not found in a file." << endl; | |
213 | return 0; | |
214 | } | |
215 | ||
216 | // import the hits trees | |
217 | Int_t nparticles = gAlice->GetEvent(0); | |
218 | if (nparticles <= 0) { | |
219 | cerr << label << "No particles in a file." << endl; | |
220 | return 0; | |
221 | } | |
222 | cout << label << "got nparticles = " << nparticles << endl; | |
223 | ||
224 | // get detector | |
225 | AliDetector* detector = gAlice->GetDetector(detName); | |
226 | if (!detector) { | |
227 | cerr << label << "No detector " << detName << " in a file." << endl; | |
228 | return 0; | |
229 | } | |
230 | ||
231 | return detector; | |
232 | } | |
233 | ||
f2b0ecac | 234 | void FillHistogram(AliDetector* detector, TString& label, |
ab99804f | 235 | TH1F* hx, TH1F* hy, TH1F* hz) |
236 | { | |
237 | Int_t nofHits = 0; | |
238 | // get number of primary tracks | |
239 | Int_t ntracks = gAlice->TreeH()->GetEntries(); | |
240 | cout << label << "got ntracks = " << ntracks << endl; | |
241 | ||
242 | // loop on tracks in the hits container | |
8518c5ee | 243 | for (Int_t i=0; i<ntracks; i++) { |
ab99804f | 244 | // loop on hits |
245 | for(AliHit* hit= detector->FirstHit(i); hit; hit=detector->NextHit()) { | |
8518c5ee | 246 | |
247 | TString detName = detector->GetName(); | |
248 | if (detName == "PHOS") { | |
249 | // PHOS special | |
250 | FillPHOSHit(detector, hit, hx, hy, hz); | |
251 | } | |
252 | else { | |
253 | FillHit(hit, hx, hy, hz); | |
254 | } | |
255 | ||
ab99804f | 256 | nofHits++; |
257 | } | |
8518c5ee | 258 | } |
259 | /* | |
260 | TFile* file = new TFile("tmp.root","recreate"); | |
261 | hx->Write(); | |
262 | hz->Write(); | |
263 | file->Close(); | |
264 | */ | |
ab99804f | 265 | cout << label << "filled " << nofHits << " hits" << endl; |
266 | } | |
267 | ||
8518c5ee | 268 | TH1F* LoadHistograms(TString name) |
269 | { | |
270 | TFile* file = new TFile("tmp.root"); | |
271 | return (TH1F*)file->Get(name); | |
272 | } | |
273 | ||
274 | void FillHit(AliHit* hit, TH1F* hx, TH1F* hy, TH1F* hz) | |
275 | { | |
276 | if (hx) hx->Fill(hit->X()); | |
277 | if (hy) hy->Fill(hit->Y()); | |
278 | if (hz) hz->Fill(hit->Z()); | |
279 | } | |
280 | ||
281 | void FillPHOSHit(AliDetector* detector, AliHit* hit, | |
282 | TH1F* hx, TH1F* hy, TH1F* hz) | |
283 | { | |
284 | // PHOS special | |
285 | Float_t id = ((AliPHOSHit*)hit)->GetId(); | |
286 | ||
287 | TVector3 pos; | |
288 | ((AliPHOS*)detector)->GetGeometry()->RelPosInAlice(id, pos); | |
289 | ||
290 | if (hx) hx->Fill(pos.X()); | |
291 | if (hy) hy->Fill(pos.Y()); | |
292 | if (hz) hz->Fill(pos.Z()); | |
293 | } | |
294 | ||
ab99804f | 295 | void DrawHistograms(TString& title, TString& gifName, |
296 | TH1F* h1, TH1F* h2, TH1F* h3, TH1F* h4) | |
297 | { | |
298 | // Create canvas, set the view range, show histograms. | |
299 | // --- | |
300 | ||
301 | if (h1 && h2 && h3 && h4) { | |
302 | // create canvas | |
74eaafe2 | 303 | TCanvas* canvas1 = new TCanvas("c1", title, 400, 10, 400, 300); |
304 | TCanvas* canvas2 = new TCanvas("c2", title, 400, 10, 400, 300); | |
305 | TCanvas* canvas3 = new TCanvas("c3", title, 400, 10, 400, 300); | |
306 | TCanvas* canvas4 = new TCanvas("c4", title, 400, 10, 400, 300); | |
307 | //canvas->Divide(2,2); | |
ab99804f | 308 | |
309 | // draw histograms | |
74eaafe2 | 310 | canvas1->cd(1); h1->Draw(); |
311 | canvas2->cd(1); h2->Draw(); | |
312 | canvas3->cd(1); h3->Draw(); | |
313 | canvas4->cd(1); h4->Draw(); | |
ab99804f | 314 | |
315 | // save gif | |
316 | //canvas->SaveAs(gifNameBase + "_x.gif"); | |
74eaafe2 | 317 | canvas1->SaveAs(gifName+"1"); |
318 | canvas2->SaveAs(gifName+"2"); | |
319 | canvas3->SaveAs(gifName+"3"); | |
320 | canvas4->SaveAs(gifName+"4"); | |
321 | } | |
322 | } | |
323 | ||
324 | void DrawHistogram(TString& title, TString& gifName, TH1F* h) | |
325 | { | |
326 | // Create canvas, set the view range, show histograms. | |
327 | // --- | |
328 | ||
329 | if (h){ | |
330 | // create canvas | |
331 | TCanvas* canvas = new TCanvas("c", title, 400, 10, 400, 300); | |
332 | ||
333 | // draw histograms | |
334 | h->Draw(); | |
335 | ||
336 | // save gif | |
ab99804f | 337 | canvas->SaveAs(gifName); |
338 | } | |
339 | } |