Line data Source code
1 : /**************************************************************************
2 : * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 : * *
4 : * Author: The ALICE Off-line Project. *
5 : * Contributors are mentioned in the code where appropriate. *
6 : * *
7 : * Permission to use, copy, modify and distribute this software and its *
8 : * documentation strictly for non-commercial purposes is hereby granted *
9 : * without fee, provided that the above copyright notice appears in all *
10 : * copies and that both the copyright notice and this permission notice *
11 : * appear in the supporting documentation. The authors make no claims *
12 : * about the suitability of this software for any purpose. It is *
13 : * provided "as is" without express or implied warranty. *
14 : **************************************************************************/
15 :
16 : /* $Id$ */
17 :
18 : ///////////////////////////////////////////////////////////////////////////////
19 : // //
20 : // Cosmic Rays ALICE Trigger //
21 : // This class contains the basic functions for the Cosmic Ray ALICE //
22 : // detector. Functions specific to one particular geometry are //
23 : // contained in the derived classes //
24 : //
25 : // Begin_Html
26 : /*
27 : <img src="picts/AliACORDEClass.gif">
28 : </pre>
29 : <p>The responsible person for this module is
30 : <a href="mailto:Enrique.Gamez.Flores@cern.ch">Enrique Gamez Flores</a>.
31 : </font>
32 : <pre>
33 : */
34 : //End_Html
35 : //
36 : //
37 : // //
38 : ///////////////////////////////////////////////////////////////////////////////
39 :
40 : #include <TClonesArray.h>
41 : #include <TGeoGlobalMagField.h>
42 : #include <TGeoManager.h>
43 : #include <TStopwatch.h>
44 : #include <TTree.h>
45 : #include <TVirtualMC.h>
46 :
47 : #include "AliACORDE.h"
48 : #include "AliMagF.h"
49 : #include "AliRun.h"
50 : #include "AliACORDERawData.h"
51 : #include "AliACORDERawStream.h"
52 :
53 12 : ClassImp(AliACORDE)
54 :
55 : //_____________________________________________________________________________
56 : AliACORDE::AliACORDE()
57 12 : : AliDetector(),
58 12 : fCreateCavern(0),
59 12 : f4CentralModulesGeometry(0)
60 36 : {
61 : //
62 : // Default constructor
63 : //
64 12 : }
65 :
66 : //_____________________________________________________________________________
67 : AliACORDE::AliACORDE(const char *name, const char *title)
68 1 : : AliDetector(name, title),
69 1 : fCreateCavern(kFALSE),
70 1 : f4CentralModulesGeometry(kTRUE)
71 :
72 3 : {
73 : //
74 : // Standard constructor
75 1 : }
76 :
77 : //_____________________________________________________________________________
78 : AliACORDE::~AliACORDE()
79 0 : {
80 : //
81 : // Default destructor
82 : //
83 26 : }
84 :
85 : //_____________________________________________________________________________
86 : void AliACORDE::CreateMaterials()
87 : {
88 : // Magnatic field inside the pit
89 2 : Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
90 1 : Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
91 :
92 : //Magnetic field above the Magnet.
93 : Int_t xfield = 0; // no Magnetic field.
94 : Float_t xfieldm = 0;
95 : Float_t xepsil = 0.1; // Tracking precission in cm. obove the pit
96 :
97 : // --- Define the various materials for GEANT ---
98 : Float_t epsil, stmin, tmaxfd, deemax, stemax;
99 : //
100 : // Aluminum
101 1 : AliMaterial(9, "ALUMINIUM0$", 26.98, 13., 2.7, 8.9, 37.2);
102 : // AliMaterial(29, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2);
103 : //AliMaterial(49, "ALUMINIUM2$", 26.98, 13., 2.7, 8.9, 37.2);
104 : //
105 : // Iron
106 : //AliMaterial(10, "IRON0$ ", 55.85, 26., 7.87, 1.76, 17.1);
107 : //AliMaterial(30, "IRON1$ ", 55.85, 26., 7.87, 1.76, 17.1);
108 : //AliMaterial(50, "IRON2$ ", 55.85, 26., 7.87, 1.76, 17.1);
109 : //
110 : // Air
111 1 : Float_t as[] = { 12.0107, 14.0067, 15.9994, 39.948 };
112 1 : Float_t zs[] = { 6., 7., 8., 18. };
113 1 : Float_t ws[] = { 0.000124, 0.755267, 0.231781, 0.012827 };
114 : Double_t density = .00120479;
115 1 : AliMixture(15, "AIR0$", as, zs, density, 4, ws);
116 :
117 : //AliMaterial(15, "AIR0$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
118 : //AliMaterial(35, "AIR1$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
119 : //AliMaterial(55, "AIR2$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
120 : //AliMaterial(75, "AIR3$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
121 : //AliMaterial(95, "AIR4$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
122 :
123 :
124 : // Scintillator material polystyrene
125 1 : Float_t aP[2] = {12.011, 1.00794};
126 1 : Float_t zP[2] = {6.0, 1.0};
127 1 : Float_t wP[2] = {1.0, 1.0};
128 : Float_t dP = 1.032;
129 1 : AliMixture(13, "Polystyrene$", aP, zP, dP, -2, wP);
130 : // Subalpine Molasse over the ALICE hall.
131 1 : Float_t aMolasse[10] = { 1., 12.01, 15.994, 22.99, 24.305, 26.98, 28.086, 39.1, 40.08, 55.85 };
132 1 : Float_t zMolasse[10] = {1., 6., 8., 11., 12., 13., 14., 19., 20., 26.};
133 1 : Float_t wMolasse[10] = {0.008, 0.043, 0.485, 0.007, 0.042, 0.037, 0.215, 0.023, 0.1, 0.04};
134 : Float_t dMolasse = 2.40;
135 1 : AliMixture(24, "Molasse$", aMolasse, zMolasse, 2*dMolasse, 10, wMolasse); // correction to density of molasse alpine newDen=2*dmolasse
136 :
137 : // ****************
138 : // Defines tracking media parameters.
139 : // Les valeurs sont commentees pour laisser le defaut
140 : // a GEANT (version 3-21, page CONS200), f.m.
141 : epsil = .001; // Tracking precision, Inside the pit
142 : stemax = -1.; // Maximum displacement for multiple scattering
143 : tmaxfd = -20.; // Maximum angle due to field deflection
144 : deemax = -.3; // Maximum fractional energy loss, DLS
145 : stmin = -.8;
146 : // ***************
147 :
148 : Float_t atmaxfd = 10.;
149 : Float_t adeemax = -0.1;
150 : Float_t aepsil = 0.1;
151 : Float_t astmin = -10.;
152 :
153 : //
154 : // Aluminum
155 1 : AliMedium(9, "ALU_C0 ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
156 : // AliMedium(29, "ALU_C1 ", 29, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
157 : //AliMedium(49, "ALU_C2 ", 49, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
158 : //
159 : // Iron
160 : //AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
161 : //AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
162 : //AliMedium(50, "FE_C2 ", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
163 : //
164 : // Air
165 1 : AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin);
166 : // AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin);
167 : //AliMedium(55, "AIR_C2 ", 55, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin);
168 : //AliMedium(75, "AIR_C4 ", 75, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin);
169 : //AliMedium(95, "AIR_C5 ", 95, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin);
170 :
171 :
172 :
173 : // The scintillator of the CPV made of Polystyrene
174 : // scintillator -> idtmed[1112]
175 : //AliMedium(12 , "CPV scint.0 ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
176 1 : AliMedium(13 , "CPV scint.1 ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
177 : //AliMedium(14 , "CPV scint.2 ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
178 :
179 : // Molasse -> idtmed[1123]
180 1 : AliMedium(24 , "Molasse ", 24, 0, xfield, xfieldm, tmaxfd, stemax, deemax, xepsil, stmin);
181 :
182 : // Concrete, in case if we need to put hte shafts by ourselves.
183 :
184 1 : Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98,28.086,39.1,40.08,55.85 };
185 1 : Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. };
186 1 : Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872,.337021,.013,.044,.014 };
187 :
188 1 : AliMixture(17, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
189 : // Concrete
190 1 : AliMedium(17, "CC_C0 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
191 : // AliMedium(27, "CC_C1 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // MX24
192 : //AliMedium(37, "CC_C2 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // PM25
193 : //AliMedium(47, "CC_C3 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // PGC2
194 :
195 1 : }
196 :
197 : //_____________________________________________________________________________
198 : void AliACORDE::SetTreeAddress()
199 : {
200 :
201 : TBranch *branch;
202 298 : char branchname[20];
203 149 : snprintf(branchname,19,"%s",GetName());
204 : // Branch address for hit tree
205 149 : TTree *treeH = fLoader->TreeH();
206 149 : if (treeH ) {
207 24 : branch = treeH->GetBranch(branchname);
208 47 : if (branch) branch->SetAddress(&fHits);
209 : }
210 149 : }
211 :
212 : //_____________________________________________________________________________
213 : void AliACORDE::MakeBranch(Option_t* opt)
214 : {
215 : //
216 : // Initializes the branches of the ACORDE inside the trees written
217 : // for each event.
218 : //
219 0 : const char* oH = strstr(opt, "H");
220 0 : if ( fLoader->TreeH() && oH && (fHits == 0x0) ) {
221 0 : fHits = new TClonesArray("AliACORDEhit", 1000);
222 0 : fNhits = 0;
223 0 : }
224 0 : AliDetector::MakeBranch(opt);
225 0 : }
226 :
227 : AliLoader* AliACORDE::MakeLoader(const char* topfoldername)
228 : {
229 :
230 4 : AliDebug(1,Form("Creating AliACORDELoader, Top folder is %s ",
231 : topfoldername));
232 3 : fLoader = new AliACORDELoader(GetName(),topfoldername);
233 1 : return fLoader;
234 0 : }
235 :
236 :
237 : AliDigitizer* AliACORDE::CreateDigitizer(AliDigitizationInput* digInput) const
238 : {
239 : //
240 : //
241 3 : return new AliACORDEDigitizer(digInput);
242 0 : }
243 :
244 : void AliACORDE::Digits2Raw()
245 : {
246 : // Produce Raw data starting from digits
247 : // 1. Get digits
248 : // 2. From digits get an array with the state of the modules
249 : // 3. Unload digits
250 : // 4. Write raw data
251 :
252 : // 1. Get digits
253 :
254 : // 1.1 Get detector, load digits and set branch
255 8 : AliACORDE* acorde = (AliACORDE*)gAlice->GetDetector("ACORDE");
256 4 : fLoader->LoadDigits("READ");
257 4 : TTree* treeD = fLoader->TreeD();
258 4 : if (!treeD) {
259 0 : Error("Digits2Raw", "no digits tree");
260 0 : return;
261 : }
262 8 : TClonesArray *adigits = new TClonesArray ("AliACORDEdigit", 1000);
263 4 : treeD->GetBranch("ACORDEdigit")->SetAddress(&adigits);
264 : // 1.2 Get first entry (there is always only one)
265 4 : acorde->ResetDigits();
266 4 : treeD->GetEvent(0);
267 :
268 : // 2. From digits get an array with the state of the modules
269 : // 2.1 Define and initialize the array
270 4 : Bool_t Modules[60];
271 488 : for (Int_t i=0;i<60;i++) Modules[i]= kFALSE;
272 : // 2.2 Loop over all digits
273 4 : Int_t ndig = adigits->GetEntriesFast();
274 8 : for (Int_t idig=0;idig<ndig;idig++) {
275 : // 2.3 set the array entry for each digit
276 0 : AliACORDEdigit* digit = (AliACORDEdigit*) adigits->At(idig);
277 0 : Int_t mod = digit->GetModule();
278 0 : Modules[mod]=kTRUE;
279 : }
280 : // 3. Unload digits
281 4 : fLoader->UnloadDigits();
282 :
283 : // 4. Write raw data
284 4 : AliACORDERawData rawdata;
285 4 : rawdata.WriteACORDERawData(Modules,(ndig > 1));
286 8 : }
287 :
288 : //_____________________________________________________________________________
289 : Bool_t AliACORDE::Raw2SDigits(AliRawReader* rawReader)
290 : {
291 : //
292 : // Reads the raw data stream and exracts the digits
293 : //
294 : // Input:
295 : // rawReader : pointer to the current AliRawReader
296 : // Output:
297 : //
298 : // Created: 31 Jan 2008 Mario Sitta
299 : //
300 0 : TStopwatch timer;
301 0 : timer.Start();
302 :
303 0 : if(!fLoader) {
304 0 : AliError("no ACORDE loader found");
305 0 : return kFALSE;
306 : }
307 :
308 0 : TTree* treeD = fLoader->TreeD();
309 0 : if(!treeD) {
310 0 : fLoader->MakeTree("D");
311 0 : treeD = fLoader->TreeD();
312 0 : }
313 :
314 0 : AliACORDEdigit digit;
315 0 : AliACORDEdigit* pdigit = &digit;
316 : const Int_t kBufferSize = 4000;
317 :
318 0 : treeD->Branch("ACORDE", "AliACORDEdigit", &pdigit, kBufferSize);
319 :
320 : // rawReader->Reset();
321 0 : AliACORDERawStream* rawStream = new AliACORDERawStream(rawReader);
322 :
323 0 : if (!rawStream->Next()) return kFALSE; // No ACORDE data found
324 : /*
325 : for(Int_t i=0; i<64; i++) {
326 : new(pdigit) AliACORDEdigit(i, (Int_t)rawStream->GetADC(i), (Int_t)rawStream->GetTime(i));
327 : treeD->Fill();
328 : }
329 : */
330 0 : fLoader->WriteDigits("OVERWRITE");
331 0 : fLoader->UnloadDigits();
332 :
333 0 : delete rawStream;
334 :
335 0 : timer.Stop();
336 0 : timer.Print();
337 :
338 0 : return kTRUE;
339 0 : }
340 :
341 : //_____________________________________________________________________________
|
