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b86e74f5 | 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 | ||
7ca4655f | 40 | #include <TClonesArray.h> |
b86e74f5 | 41 | #include <TTree.h> |
42 | #include <TVirtualMC.h> | |
19f796ed | 43 | #include <TGeoManager.h> |
b86e74f5 | 44 | |
7ca4655f | 45 | #include "AliACORDE.h" |
7ca4655f | 46 | #include "AliMagF.h" |
47 | #include "AliRun.h" | |
19f796ed | 48 | #include "AliACORDERawData.h" |
b86e74f5 | 49 | |
50 | ClassImp(AliACORDE) | |
51 | ||
52 | //_____________________________________________________________________________ | |
53 | AliACORDE::AliACORDE() | |
54 | : AliDetector(), | |
19f796ed | 55 | fCreateCavern(0), |
56 | fITSGeometry(0) | |
b86e74f5 | 57 | { |
58 | // | |
59 | // Default constructor | |
60 | // | |
61 | } | |
62 | ||
63 | //_____________________________________________________________________________ | |
64 | AliACORDE::AliACORDE(const char *name, const char *title) | |
65 | : AliDetector(name, title), | |
19f796ed | 66 | fCreateCavern(kFALSE), |
67 | fITSGeometry(kTRUE) | |
68 | ||
b86e74f5 | 69 | { |
70 | // | |
71 | // Standard constructor | |
b86e74f5 | 72 | } |
73 | ||
74 | //_____________________________________________________________________________ | |
75 | AliACORDE::~AliACORDE() | |
76 | { | |
77 | // | |
78 | // Default destructor | |
79 | // | |
b86e74f5 | 80 | } |
81 | ||
82 | //_____________________________________________________________________________ | |
83 | void AliACORDE::CreateMaterials() | |
84 | { | |
85 | // Magnatic field inside the pit | |
86 | Int_t isxfld = gAlice->Field()->Integ(); | |
87 | Float_t sxmgmx = gAlice->Field()->Max(); | |
88 | ||
89 | //Magnetic field above the Magnet. | |
90 | Int_t xfield = 0; // no Magnetic field. | |
91 | Float_t xfieldm = 0; | |
92 | Float_t xepsil = 0.1; // Tracking precission in cm. obove the pit | |
93 | ||
94 | // --- Define the various materials for GEANT --- | |
95 | Float_t epsil, stmin, tmaxfd, deemax, stemax; | |
96 | // | |
97 | // Aluminum | |
98 | AliMaterial(9, "ALUMINIUM0$", 26.98, 13., 2.7, 8.9, 37.2); | |
467bdc2b | 99 | // AliMaterial(29, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2); |
100 | //AliMaterial(49, "ALUMINIUM2$", 26.98, 13., 2.7, 8.9, 37.2); | |
b86e74f5 | 101 | // |
102 | // Iron | |
467bdc2b | 103 | //AliMaterial(10, "IRON0$ ", 55.85, 26., 7.87, 1.76, 17.1); |
104 | //AliMaterial(30, "IRON1$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
105 | //AliMaterial(50, "IRON2$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
b86e74f5 | 106 | // |
107 | // Air | |
467bdc2b | 108 | Float_t as[] = { 12.0107, 14.0067, 15.9994, 39.948 }; |
109 | Float_t zs[] = { 6., 7., 8., 18. }; | |
110 | Float_t ws[] = { 0.000124, 0.755267, 0.231781, 0.012827 }; | |
111 | Double_t density = .00120479; | |
112 | AliMixture(15, "AIR0$", as, zs, density, 4, ws); | |
113 | ||
114 | //AliMaterial(15, "AIR0$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
115 | //AliMaterial(35, "AIR1$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
116 | //AliMaterial(55, "AIR2$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
117 | //AliMaterial(75, "AIR3$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
118 | //AliMaterial(95, "AIR4$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
b86e74f5 | 119 | |
120 | ||
121 | // Scintillator material polystyrene | |
122 | Float_t aP[2] = {12.011, 1.00794}; | |
123 | Float_t zP[2] = {6.0, 1.0}; | |
124 | Float_t wP[2] = {1.0, 1.0}; | |
125 | Float_t dP = 1.032; | |
126 | AliMixture(13, "Polystyrene$", aP, zP, dP, -2, wP); | |
127 | // Subalpine Molasse over the ALICE hall. | |
128 | Float_t aMolasse[10] = { 1., 12.01, 15.994, 22.99, 24.305, 26.98, 28.086, 39.1, 40.08, 55.85 }; | |
129 | Float_t zMolasse[10] = {1., 6., 8., 11., 12., 13., 14., 19., 20., 26.}; | |
130 | Float_t wMolasse[10] = {0.008, 0.043, 0.485, 0.007, 0.042, 0.037, 0.215, 0.023, 0.1, 0.04}; | |
131 | Float_t dMolasse = 2.40; | |
132 | AliMixture(24, "Molasse$", aMolasse, zMolasse, dMolasse, 10, wMolasse); | |
133 | ||
134 | // **************** | |
135 | // Defines tracking media parameters. | |
136 | // Les valeurs sont commentees pour laisser le defaut | |
137 | // a GEANT (version 3-21, page CONS200), f.m. | |
138 | epsil = .001; // Tracking precision, Inside the pit | |
139 | stemax = -1.; // Maximum displacement for multiple scattering | |
140 | tmaxfd = -20.; // Maximum angle due to field deflection | |
141 | deemax = -.3; // Maximum fractional energy loss, DLS | |
142 | stmin = -.8; | |
143 | // *************** | |
144 | ||
145 | Float_t atmaxfd = 10.; | |
146 | Float_t adeemax = -0.1; | |
147 | Float_t aepsil = 0.1; | |
148 | Float_t astmin = -10.; | |
149 | ||
150 | // | |
151 | // Aluminum | |
152 | AliMedium(9, "ALU_C0 ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
467bdc2b | 153 | // AliMedium(29, "ALU_C1 ", 29, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
154 | //AliMedium(49, "ALU_C2 ", 49, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
b86e74f5 | 155 | // |
156 | // Iron | |
467bdc2b | 157 | //AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
158 | //AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
159 | //AliMedium(50, "FE_C2 ", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
b86e74f5 | 160 | // |
161 | // Air | |
162 | AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
467bdc2b | 163 | // AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); |
164 | //AliMedium(55, "AIR_C2 ", 55, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
165 | //AliMedium(75, "AIR_C4 ", 75, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
166 | //AliMedium(95, "AIR_C5 ", 95, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
b86e74f5 | 167 | |
168 | ||
169 | ||
170 | // The scintillator of the CPV made of Polystyrene | |
171 | // scintillator -> idtmed[1112] | |
467bdc2b | 172 | //AliMedium(12 , "CPV scint.0 ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin); |
b86e74f5 | 173 | AliMedium(13 , "CPV scint.1 ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin); |
467bdc2b | 174 | //AliMedium(14 , "CPV scint.2 ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin); |
b86e74f5 | 175 | |
176 | // Molasse -> idtmed[1123] | |
177 | AliMedium(24 , "Molasse ", 24, 0, xfield, xfieldm, tmaxfd, stemax, deemax, xepsil, stmin); | |
178 | ||
179 | // Concrete, in case if we need to put hte shafts by ourselves. | |
180 | ||
181 | Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98,28.086,39.1,40.08,55.85 }; | |
182 | Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. }; | |
183 | Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872,.337021,.013,.044,.014 }; | |
184 | ||
185 | AliMixture(17, "CONCRETE$", aconc, zconc, 2.35, 10, wconc); | |
186 | // Concrete | |
187 | AliMedium(17, "CC_C0 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
467bdc2b | 188 | // AliMedium(27, "CC_C1 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // MX24 |
189 | //AliMedium(37, "CC_C2 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // PM25 | |
190 | //AliMedium(47, "CC_C3 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // PGC2 | |
b86e74f5 | 191 | |
192 | } | |
193 | ||
194 | //_____________________________________________________________________________ | |
195 | void AliACORDE::SetTreeAddress() | |
196 | { | |
197 | ||
198 | TBranch *branch; | |
199 | char branchname[20]; | |
200 | sprintf(branchname,"%s",GetName()); | |
201 | // Branch address for hit tree | |
202 | TTree *treeH = fLoader->TreeH(); | |
203 | if (treeH ) { | |
204 | branch = treeH->GetBranch(branchname); | |
205 | if (branch) branch->SetAddress(&fHits); | |
206 | } | |
207 | } | |
208 | ||
209 | //_____________________________________________________________________________ | |
210 | void AliACORDE::MakeBranch(Option_t* opt) | |
211 | { | |
212 | // | |
213 | // Initializes the branches of the ACORDE inside the trees written | |
214 | // for each event. | |
215 | // | |
216 | const char* oH = strstr(opt, "H"); | |
217 | if ( fLoader->TreeH() && oH && (fHits == 0x0) ) { | |
218 | fHits = new TClonesArray("AliACORDEhit", 1000); | |
219 | fNhits = 0; | |
220 | } | |
221 | AliDetector::MakeBranch(opt); | |
222 | } | |
778dbce8 | 223 | |
19f796ed | 224 | AliLoader* AliACORDE::MakeLoader(const char* topfoldername) |
225 | { | |
226 | ||
227 | AliDebug(1,Form("Creating AliACORDELoader, Top folder is %s ", | |
228 | topfoldername)); | |
229 | fLoader = new AliACORDELoader(GetName(),topfoldername); | |
230 | return fLoader; | |
231 | } | |
232 | ||
233 | ||
234 | AliDigitizer* AliACORDE::CreateDigitizer(AliRunDigitizer* manager) const | |
235 | { | |
236 | // | |
237 | // | |
238 | return new AliACORDEDigitizer(manager); | |
239 | } | |
240 | ||
241 | void AliACORDE::Digits2Raw() | |
242 | { | |
243 | // Produce Raw data starting from digits | |
244 | // 1. Get digits | |
245 | // 2. From digits get an array with the state of the modules | |
246 | // 3. Unload digits | |
247 | // 4. Write raw data | |
248 | ||
249 | // 1. Get digits | |
250 | ||
251 | // 1.1 Get detector, load digits and set branch | |
252 | AliACORDE* acorde = (AliACORDE*)gAlice->GetDetector("ACORDE"); | |
253 | fLoader->LoadDigits("READ"); | |
254 | TTree* treeD = fLoader->TreeD(); | |
255 | if (!treeD) { | |
256 | Error("Digits2Raw", "no digits tree"); | |
257 | return; | |
258 | } | |
259 | TClonesArray *adigits = new TClonesArray ("AliACORDEdigit", 1000); | |
260 | treeD->GetBranch("ACORDEdigit")->SetAddress(&adigits); | |
261 | // 1.2 Get first entry (there is always only one) | |
262 | acorde->ResetDigits(); | |
263 | treeD->GetEvent(0); | |
264 | ||
265 | // 2. From digits get an array with the state of the modules | |
266 | // 2.1 Define and initialize the array | |
267 | Bool_t Modules[60]; | |
268 | for (Int_t i=0;i<60;i++) Modules[i]= kFALSE; | |
269 | // 2.2 Loop over all digits | |
270 | Int_t ndig = adigits->GetEntriesFast(); | |
271 | for (Int_t idig=0;idig<ndig;idig++) { | |
272 | // 2.3 set the array entry for each digit | |
273 | AliACORDEdigit* digit = (AliACORDEdigit*) adigits->At(idig); | |
274 | Int_t mod = digit->GetModule(); | |
275 | Modules[mod-1]=kTRUE; | |
276 | } | |
277 | // 3. Unload digits | |
278 | fLoader->UnloadDigits(); | |
279 | ||
280 | // 4. Write raw data | |
281 | AliACORDERawData rawdata; | |
282 | rawdata.WriteACORDERawData(Modules); | |
283 | } | |
284 | ||
778dbce8 | 285 | //_____________________________________________________________________________ |
286 | void AliACORDE::AddAlignableVolumes() const | |
287 | { | |
288 | // | |
289 | // Create entries for alignable volumes associating the symbolic volume | |
290 | // name with the corresponding volume path. Needs to be syncronized with | |
291 | // eventual changes in the geometry. | |
292 | // | |
293 | TString vpstr1 = "ALIC_1/ACORDE1_"; | |
294 | TString snstr1="ACORDE/Array"; | |
295 | TString volpath, symname; | |
296 | ||
297 | for(Int_t cnt=1; cnt<=3; cnt++){ | |
298 | volpath = vpstr1; | |
299 | volpath += cnt; | |
300 | symname = snstr1; | |
301 | symname += cnt; | |
302 | if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data())) | |
303 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data())); | |
304 | } | |
305 | ||
306 | } |