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fb7a1f55 | 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 | /* | |
17 | $Log$ | |
d2293f45 | 18 | Revision 1.4 2002/07/12 12:56:18 gamez |
19 | Material numbers, correction | |
20 | ||
2c3b33cd | 21 | Revision 1.3.2.1 2002/07/12 12:31:30 gamez |
22 | Material numbers, correction | |
23 | ||
24 | Revision 1.3 2002/07/10 15:53:10 gamez | |
25 | Molasse redefinition | |
26 | ||
c8a19f01 | 27 | Revision 1.2 2002/07/09 08:45:35 hristov |
28 | Old style include files needed on HP (aCC) | |
29 | ||
b73f53b3 | 30 | Revision 1.1 2002/06/16 17:08:19 hristov |
31 | First version of CRT | |
32 | ||
fb7a1f55 | 33 | |
34 | */ | |
35 | ||
36 | /////////////////////////////////////////////////////////////////////////////// | |
37 | // // | |
38 | // Cosmic Rays ALICE Trigger // | |
39 | // This class contains the basic functions for the Cosmic Ray ALICE // | |
40 | // detector. Functions specific to one particular geometry are // | |
41 | // contained in the derived classes // | |
42 | // | |
43 | // Begin_Html | |
44 | /* | |
45 | <img src="picts/AliCRTClass.gif"> | |
46 | </pre> | |
47 | <p>The responsible person for this module is | |
48 | <a href="mailto:Enrique.Gamez.Flores@cern.ch">Enrique Gamez Flores</a>. | |
49 | </font> | |
50 | <pre> | |
51 | */ | |
52 | //End_Html | |
53 | // | |
54 | // | |
55 | // // | |
56 | /////////////////////////////////////////////////////////////////////////////// | |
57 | ||
fb7a1f55 | 58 | #include <TTree.h> |
59 | ||
fb7a1f55 | 60 | #include "AliMC.h" |
61 | #include "AliRun.h" | |
62 | #include "AliMagF.h" | |
63 | ||
64 | #include "AliCRT.h" | |
65 | #include "AliCRTConstants.h" | |
fb7a1f55 | 66 | #include "AliCRThit.h" |
67 | ||
68 | ||
69 | ClassImp(AliCRT) | |
70 | ||
fb7a1f55 | 71 | //_____________________________________________________________________________ |
72 | AliCRT::AliCRT() | |
73 | { | |
74 | // | |
d2293f45 | 75 | // Default constructor for the CRT |
fb7a1f55 | 76 | // |
77 | ||
d2293f45 | 78 | fIshunt = 0; |
fb7a1f55 | 79 | fHits = 0; |
d2293f45 | 80 | |
fb7a1f55 | 81 | } |
82 | ||
83 | //_____________________________________________________________________________ | |
84 | AliCRT::AliCRT(const char *name, const char *title) | |
85 | : AliDetector(name,title) | |
86 | { | |
87 | // | |
88 | // Standard constructor for the CRT module | |
89 | // | |
90 | ||
91 | fIshunt = 1; // All hits are associated with primary particles | |
92 | ||
93 | fHits = new TClonesArray("AliCRThit",400) ; | |
fb7a1f55 | 94 | |
95 | gAlice->AddHitList(fHits); | |
96 | ||
97 | SetMarkerColor(7); | |
98 | SetMarkerStyle(2); | |
99 | SetMarkerSize(0.4); | |
100 | ||
101 | } | |
102 | ||
d2293f45 | 103 | //_____________________________________________________________________________ |
104 | AliCRT::AliCRT(const AliCRT& crt) | |
105 | { | |
106 | // | |
107 | // Copy ctor. | |
108 | // | |
109 | crt.Copy(*this); | |
110 | } | |
111 | ||
112 | //_____________________________________________________________________________ | |
113 | AliCRT& AliCRT::operator= (const AliCRT& crt) | |
114 | { | |
115 | // | |
116 | // Asingment operator. | |
117 | // | |
118 | crt.Copy(*this); | |
119 | return *this; | |
120 | } | |
121 | ||
fb7a1f55 | 122 | //_____________________________________________________________________________ |
123 | AliCRT::~AliCRT() | |
124 | { | |
125 | // | |
126 | // Standar destructor. | |
127 | // | |
128 | if (fHits) { | |
129 | fHits->Delete(); | |
130 | delete fHits; | |
131 | } | |
132 | } | |
133 | ||
134 | //_____________________________________________________________________________ | |
135 | void AliCRT::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
136 | { | |
137 | // | |
138 | // Add a CRT hit | |
139 | // | |
140 | TClonesArray &lhits = *fHits; | |
141 | new(lhits[fNhits++]) AliCRThit(fIshunt,track,vol,hits); | |
142 | } | |
143 | ||
144 | //_____________________________________________________________________________ | |
145 | void AliCRT::AddDigit(Int_t *tracks,Int_t *digits) | |
146 | { | |
d2293f45 | 147 | // |
fb7a1f55 | 148 | // Add a CRT digit to the list. Dummy function. |
d2293f45 | 149 | // |
fb7a1f55 | 150 | } |
151 | ||
152 | //_____________________________________________________________________________ | |
153 | void AliCRT::Init() const | |
154 | { | |
155 | // | |
156 | // Initialise ... | |
157 | // | |
158 | ||
159 | Int_t i; | |
160 | // | |
161 | if(fDebug) { | |
162 | printf("\n%s: ",ClassName()); | |
163 | for(i=0;i<35;i++) printf("*"); | |
164 | printf(" CRT_INIT "); | |
165 | for(i=0;i<35;i++) printf("*"); | |
166 | printf("\n%s: ",ClassName()); | |
167 | // | |
168 | // Here the CRT initialisation code (if any!) | |
169 | for(i=0;i<80;i++) printf("*"); | |
170 | printf("\n"); | |
171 | } | |
172 | } | |
173 | ||
174 | //_____________________________________________________________________________ | |
d2293f45 | 175 | void AliCRT::ResetHits() |
fb7a1f55 | 176 | { |
177 | // Reset number of clusters and the cluster array for this detector | |
d2293f45 | 178 | AliDetector::ResetHits(); |
fb7a1f55 | 179 | } |
180 | ||
181 | //_____________________________________________________________________________ | |
d2293f45 | 182 | void AliCRT::ResetDigits() |
fb7a1f55 | 183 | { |
184 | // | |
185 | // Reset number of digits and the digits array for this detector | |
d2293f45 | 186 | AliDetector::ResetDigits(); |
fb7a1f55 | 187 | } |
188 | ||
189 | //____________________________________________________________________________ | |
190 | void AliCRT::FinishEvent() | |
191 | { | |
192 | // do nothing | |
193 | } | |
194 | ||
195 | //_____________________________________________________________________________ | |
196 | void AliCRT::BuildGeometry() | |
197 | { | |
198 | // | |
199 | // Build simple ROOT TNode geometry for event display | |
200 | // | |
201 | } | |
202 | ||
203 | //_____________________________________________________________________________ | |
204 | void AliCRT::CreateGeometry() | |
205 | { | |
206 | // | |
207 | // Build simple ROOT TNode geometry for GEANT simulations | |
208 | // | |
209 | } | |
210 | ||
211 | //_____________________________________________________________________________ | |
212 | void AliCRT::CreateMaterials() | |
213 | { | |
214 | // Magnatic field inside the pit | |
215 | Int_t isxfld = gAlice->Field()->Integ(); | |
216 | Float_t sxmgmx = gAlice->Field()->Max(); | |
217 | ||
218 | //Magnetic field above the Magnet. | |
219 | Int_t xfield = 0; // no Magnetic field. | |
220 | Float_t xfieldm = 0; | |
221 | Float_t xepsil = 0.1; // Tracking precission in cm. obove the pit | |
222 | ||
223 | // --- Define the various materials for GEANT --- | |
fb7a1f55 | 224 | Float_t epsil, stmin, tmaxfd, deemax, stemax; |
225 | // | |
226 | // Aluminum | |
227 | AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
228 | AliMaterial(29, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
229 | AliMaterial(49, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
230 | // | |
231 | // Iron | |
232 | AliMaterial(10, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
233 | AliMaterial(30, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
234 | AliMaterial(50, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
235 | // | |
236 | // Air | |
237 | AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
238 | AliMaterial(35, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
239 | AliMaterial(55, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
d2293f45 | 240 | AliMaterial(75, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); |
241 | AliMaterial(95, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
242 | ||
fb7a1f55 | 243 | |
244 | // Scintillator material polystyrene | |
245 | Float_t aP[2] = {12.011, 1.00794}; | |
246 | Float_t zP[2] = {6.0, 1.0}; | |
247 | Float_t wP[2] = {1.0, 1.0}; | |
248 | Float_t dP = 1.032; | |
2c3b33cd | 249 | AliMixture(13, "Polystyrene$", aP, zP, dP, -2, wP); |
c8a19f01 | 250 | // Subalpine Molasse over the ALICE hall. |
2c3b33cd | 251 | Float_t aMolasse[10] = { 1., 12.01, 15.994, 22.99, 24.305, 26.98, 28.086, 39.1, 40.08, 55.85 }; |
c8a19f01 | 252 | Float_t zMolasse[10] = {1., 6., 8., 11., 12., 13., 14., 19., 20., 26.}; |
2c3b33cd | 253 | Float_t wMolasse[10] = {0.008, 0.043, 0.485, 0.007, 0.042, 0.037, 0.215, 0.023, 0.1, 0.04}; |
c8a19f01 | 254 | Float_t dMolasse = 2.40; |
2c3b33cd | 255 | AliMixture(24, "Molasse$", aMolasse, zMolasse, dMolasse, 10, wMolasse); |
fb7a1f55 | 256 | |
257 | // **************** | |
258 | // Defines tracking media parameters. | |
259 | // Les valeurs sont commentees pour laisser le defaut | |
260 | // a GEANT (version 3-21, page CONS200), f.m. | |
261 | epsil = .001; // Tracking precision, Inside the pit | |
262 | stemax = -1.; // Maximum displacement for multiple scattering | |
263 | tmaxfd = -20.; // Maximum angle due to field deflection | |
264 | deemax = -.3; // Maximum fractional energy loss, DLS | |
265 | stmin = -.8; | |
266 | // *************** | |
267 | ||
d2293f45 | 268 | Float_t atmaxfd = 10.; |
269 | Float_t adeemax = -0.1; | |
270 | Float_t aepsil = 0.1; | |
271 | Float_t astmin = -10.; | |
272 | ||
fb7a1f55 | 273 | // |
274 | // Aluminum | |
275 | AliMedium(9, "ALU_C0 ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
276 | AliMedium(29, "ALU_C1 ", 29, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
277 | AliMedium(49, "ALU_C2 ", 49, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
278 | // | |
279 | // Iron | |
280 | AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
281 | AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
282 | AliMedium(50, "FE_C2 ", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
283 | // | |
284 | // Air | |
d2293f45 | 285 | AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); |
286 | AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
287 | AliMedium(55, "AIR_C2 ", 55, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
288 | AliMedium(75, "AIR_C4 ", 75, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
289 | AliMedium(75, "AIR_C5 ", 95, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
290 | ||
fb7a1f55 | 291 | |
292 | ||
293 | // The scintillator of the CPV made of Polystyrene | |
2c3b33cd | 294 | // scintillator -> idtmed[1112] |
295 | AliMedium(13 , "CPV scint. ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin); | |
fb7a1f55 | 296 | |
2c3b33cd | 297 | // Molasse -> idtmed[1123] |
298 | AliMedium(24 , "Molasse ", 24, 0, xfield, xfieldm, tmaxfd, stemax, deemax, xepsil, stmin); | |
fb7a1f55 | 299 | |
d2293f45 | 300 | // Concrete, in case if we need to put hte shafts by ourselves. |
fb7a1f55 | 301 | |
d2293f45 | 302 | Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98,28.086,39.1,40.08,55.85 }; |
303 | Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. }; | |
304 | Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872,.337021,.013,.044,.014 }; | |
305 | ||
306 | AliMixture(17, "CONCRETE$", aconc, zconc, 2.35, 10, wconc); | |
307 | // Concrete | |
308 | AliMedium(17, "CC_C0 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fb7a1f55 | 309 | |
d2293f45 | 310 | } |
311 | /* | |
fb7a1f55 | 312 | //_____________________________________________________________________________ |
313 | void AliCRT::MakeBranch(Option_t* option, const char *file) | |
314 | { | |
315 | // | |
316 | // Specific CRT branches | |
317 | // | |
318 | // Create Tree branches for the CRT. | |
319 | Int_t buffersize = 400; | |
320 | char branchname[10]; | |
321 | sprintf(branchname,"%s",GetName()); | |
322 | ||
323 | AliDetector::MakeBranch(option,file); | |
324 | ||
325 | const char *cD = strstr(option,"D"); | |
326 | ||
327 | if (cD) { | |
328 | digits = new AliCRTdigit(); | |
329 | MakeBranchInTree(gAlice->TreeD(), branchname, "AliCRTdigit", | |
330 | digits, buffersize, 1, file); | |
331 | } | |
332 | ||
333 | } | |
d2293f45 | 334 | */ |
fb7a1f55 | 335 | //_____________________________________________________________________________ |
d2293f45 | 336 | void AliCRT::SetTreeAddress() |
337 | { | |
338 | ||
339 | TBranch *branch; | |
340 | char branchname[20]; | |
341 | sprintf(branchname,"%s",GetName()); | |
342 | ||
343 | // Branch address for hit tree | |
344 | TTree *treeH = gAlice->TreeH(); | |
345 | if (treeH && fHits) { | |
346 | branch = treeH->GetBranch(branchname); | |
347 | if (branch) branch->SetAddress(&fHits); | |
348 | } | |
349 | ||
350 | } |