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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 | $Log$ | |
b27180a1 | 18 | Revision 1.6 2002/10/14 14:55:34 hristov |
19 | Merging the VirtualMC branch to the main development branch (HEAD) | |
20 | ||
b9d0a01d | 21 | Revision 1.4.2.2 2002/10/10 14:40:31 hristov |
22 | Updating VirtualMC to v3-09-02 | |
23 | ||
24 | Revision 1.5 2002/10/07 11:12:26 gamez | |
25 | Cleaned up version | |
26 | ||
d2293f45 | 27 | Revision 1.4 2002/07/12 12:56:18 gamez |
28 | Material numbers, correction | |
29 | ||
2c3b33cd | 30 | Revision 1.3.2.1 2002/07/12 12:31:30 gamez |
31 | Material numbers, correction | |
32 | ||
33 | Revision 1.3 2002/07/10 15:53:10 gamez | |
34 | Molasse redefinition | |
35 | ||
c8a19f01 | 36 | Revision 1.2 2002/07/09 08:45:35 hristov |
37 | Old style include files needed on HP (aCC) | |
38 | ||
b73f53b3 | 39 | Revision 1.1 2002/06/16 17:08:19 hristov |
40 | First version of CRT | |
41 | ||
fb7a1f55 | 42 | |
43 | */ | |
44 | ||
45 | /////////////////////////////////////////////////////////////////////////////// | |
46 | // // | |
47 | // Cosmic Rays ALICE Trigger // | |
48 | // This class contains the basic functions for the Cosmic Ray ALICE // | |
49 | // detector. Functions specific to one particular geometry are // | |
50 | // contained in the derived classes // | |
51 | // | |
52 | // Begin_Html | |
53 | /* | |
54 | <img src="picts/AliCRTClass.gif"> | |
55 | </pre> | |
56 | <p>The responsible person for this module is | |
57 | <a href="mailto:Enrique.Gamez.Flores@cern.ch">Enrique Gamez Flores</a>. | |
58 | </font> | |
59 | <pre> | |
60 | */ | |
61 | //End_Html | |
62 | // | |
63 | // | |
64 | // // | |
65 | /////////////////////////////////////////////////////////////////////////////// | |
66 | ||
fb7a1f55 | 67 | #include <TTree.h> |
68 | ||
fb7a1f55 | 69 | #include "AliRun.h" |
70 | #include "AliMagF.h" | |
71 | ||
72 | #include "AliCRT.h" | |
73 | #include "AliCRTConstants.h" | |
fb7a1f55 | 74 | #include "AliCRThit.h" |
75 | ||
76 | ||
77 | ClassImp(AliCRT) | |
78 | ||
fb7a1f55 | 79 | //_____________________________________________________________________________ |
80 | AliCRT::AliCRT() | |
81 | { | |
82 | // | |
d2293f45 | 83 | // Default constructor for the CRT |
fb7a1f55 | 84 | // |
85 | ||
d2293f45 | 86 | fIshunt = 0; |
fb7a1f55 | 87 | fHits = 0; |
d2293f45 | 88 | |
fb7a1f55 | 89 | } |
90 | ||
91 | //_____________________________________________________________________________ | |
92 | AliCRT::AliCRT(const char *name, const char *title) | |
93 | : AliDetector(name,title) | |
94 | { | |
95 | // | |
96 | // Standard constructor for the CRT module | |
97 | // | |
98 | ||
99 | fIshunt = 1; // All hits are associated with primary particles | |
100 | ||
101 | fHits = new TClonesArray("AliCRThit",400) ; | |
fb7a1f55 | 102 | |
103 | gAlice->AddHitList(fHits); | |
104 | ||
105 | SetMarkerColor(7); | |
106 | SetMarkerStyle(2); | |
107 | SetMarkerSize(0.4); | |
108 | ||
109 | } | |
110 | ||
d2293f45 | 111 | //_____________________________________________________________________________ |
112 | AliCRT::AliCRT(const AliCRT& crt) | |
113 | { | |
114 | // | |
115 | // Copy ctor. | |
116 | // | |
117 | crt.Copy(*this); | |
118 | } | |
119 | ||
120 | //_____________________________________________________________________________ | |
121 | AliCRT& AliCRT::operator= (const AliCRT& crt) | |
122 | { | |
123 | // | |
124 | // Asingment operator. | |
125 | // | |
126 | crt.Copy(*this); | |
127 | return *this; | |
128 | } | |
129 | ||
fb7a1f55 | 130 | //_____________________________________________________________________________ |
131 | AliCRT::~AliCRT() | |
132 | { | |
133 | // | |
134 | // Standar destructor. | |
135 | // | |
136 | if (fHits) { | |
137 | fHits->Delete(); | |
138 | delete fHits; | |
139 | } | |
140 | } | |
141 | ||
142 | //_____________________________________________________________________________ | |
143 | void AliCRT::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
144 | { | |
145 | // | |
146 | // Add a CRT hit | |
147 | // | |
148 | TClonesArray &lhits = *fHits; | |
149 | new(lhits[fNhits++]) AliCRThit(fIshunt,track,vol,hits); | |
150 | } | |
151 | ||
152 | //_____________________________________________________________________________ | |
153 | void AliCRT::AddDigit(Int_t *tracks,Int_t *digits) | |
154 | { | |
d2293f45 | 155 | // |
fb7a1f55 | 156 | // Add a CRT digit to the list. Dummy function. |
d2293f45 | 157 | // |
fb7a1f55 | 158 | } |
159 | ||
160 | //_____________________________________________________________________________ | |
161 | void AliCRT::Init() const | |
162 | { | |
163 | // | |
164 | // Initialise ... | |
165 | // | |
166 | ||
167 | Int_t i; | |
168 | // | |
169 | if(fDebug) { | |
170 | printf("\n%s: ",ClassName()); | |
171 | for(i=0;i<35;i++) printf("*"); | |
172 | printf(" CRT_INIT "); | |
173 | for(i=0;i<35;i++) printf("*"); | |
174 | printf("\n%s: ",ClassName()); | |
175 | // | |
176 | // Here the CRT initialisation code (if any!) | |
177 | for(i=0;i<80;i++) printf("*"); | |
178 | printf("\n"); | |
179 | } | |
180 | } | |
181 | ||
182 | //_____________________________________________________________________________ | |
d2293f45 | 183 | void AliCRT::ResetHits() |
fb7a1f55 | 184 | { |
185 | // Reset number of clusters and the cluster array for this detector | |
d2293f45 | 186 | AliDetector::ResetHits(); |
fb7a1f55 | 187 | } |
188 | ||
189 | //_____________________________________________________________________________ | |
d2293f45 | 190 | void AliCRT::ResetDigits() |
fb7a1f55 | 191 | { |
192 | // | |
193 | // Reset number of digits and the digits array for this detector | |
d2293f45 | 194 | AliDetector::ResetDigits(); |
fb7a1f55 | 195 | } |
196 | ||
197 | //____________________________________________________________________________ | |
198 | void AliCRT::FinishEvent() | |
199 | { | |
200 | // do nothing | |
201 | } | |
202 | ||
203 | //_____________________________________________________________________________ | |
204 | void AliCRT::BuildGeometry() | |
205 | { | |
206 | // | |
207 | // Build simple ROOT TNode geometry for event display | |
208 | // | |
209 | } | |
210 | ||
211 | //_____________________________________________________________________________ | |
212 | void AliCRT::CreateGeometry() | |
213 | { | |
214 | // | |
215 | // Build simple ROOT TNode geometry for GEANT simulations | |
216 | // | |
217 | } | |
218 | ||
219 | //_____________________________________________________________________________ | |
220 | void AliCRT::CreateMaterials() | |
221 | { | |
222 | // Magnatic field inside the pit | |
223 | Int_t isxfld = gAlice->Field()->Integ(); | |
224 | Float_t sxmgmx = gAlice->Field()->Max(); | |
225 | ||
226 | //Magnetic field above the Magnet. | |
227 | Int_t xfield = 0; // no Magnetic field. | |
228 | Float_t xfieldm = 0; | |
229 | Float_t xepsil = 0.1; // Tracking precission in cm. obove the pit | |
230 | ||
231 | // --- Define the various materials for GEANT --- | |
fb7a1f55 | 232 | Float_t epsil, stmin, tmaxfd, deemax, stemax; |
233 | // | |
234 | // Aluminum | |
235 | AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
236 | AliMaterial(29, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
237 | AliMaterial(49, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
238 | // | |
239 | // Iron | |
240 | AliMaterial(10, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
241 | AliMaterial(30, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
242 | AliMaterial(50, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
243 | // | |
244 | // Air | |
245 | AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
246 | AliMaterial(35, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
247 | AliMaterial(55, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
d2293f45 | 248 | AliMaterial(75, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); |
249 | AliMaterial(95, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
250 | ||
fb7a1f55 | 251 | |
252 | // Scintillator material polystyrene | |
253 | Float_t aP[2] = {12.011, 1.00794}; | |
254 | Float_t zP[2] = {6.0, 1.0}; | |
255 | Float_t wP[2] = {1.0, 1.0}; | |
256 | Float_t dP = 1.032; | |
2c3b33cd | 257 | AliMixture(13, "Polystyrene$", aP, zP, dP, -2, wP); |
c8a19f01 | 258 | // Subalpine Molasse over the ALICE hall. |
2c3b33cd | 259 | Float_t aMolasse[10] = { 1., 12.01, 15.994, 22.99, 24.305, 26.98, 28.086, 39.1, 40.08, 55.85 }; |
c8a19f01 | 260 | Float_t zMolasse[10] = {1., 6., 8., 11., 12., 13., 14., 19., 20., 26.}; |
2c3b33cd | 261 | Float_t wMolasse[10] = {0.008, 0.043, 0.485, 0.007, 0.042, 0.037, 0.215, 0.023, 0.1, 0.04}; |
c8a19f01 | 262 | Float_t dMolasse = 2.40; |
2c3b33cd | 263 | AliMixture(24, "Molasse$", aMolasse, zMolasse, dMolasse, 10, wMolasse); |
fb7a1f55 | 264 | |
265 | // **************** | |
266 | // Defines tracking media parameters. | |
267 | // Les valeurs sont commentees pour laisser le defaut | |
268 | // a GEANT (version 3-21, page CONS200), f.m. | |
269 | epsil = .001; // Tracking precision, Inside the pit | |
270 | stemax = -1.; // Maximum displacement for multiple scattering | |
271 | tmaxfd = -20.; // Maximum angle due to field deflection | |
272 | deemax = -.3; // Maximum fractional energy loss, DLS | |
273 | stmin = -.8; | |
274 | // *************** | |
275 | ||
d2293f45 | 276 | Float_t atmaxfd = 10.; |
277 | Float_t adeemax = -0.1; | |
278 | Float_t aepsil = 0.1; | |
279 | Float_t astmin = -10.; | |
280 | ||
fb7a1f55 | 281 | // |
282 | // Aluminum | |
283 | AliMedium(9, "ALU_C0 ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
284 | AliMedium(29, "ALU_C1 ", 29, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
285 | AliMedium(49, "ALU_C2 ", 49, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
286 | // | |
287 | // Iron | |
288 | AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
289 | AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
290 | AliMedium(50, "FE_C2 ", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
291 | // | |
292 | // Air | |
d2293f45 | 293 | AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); |
294 | AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
295 | AliMedium(55, "AIR_C2 ", 55, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
296 | AliMedium(75, "AIR_C4 ", 75, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
297 | AliMedium(75, "AIR_C5 ", 95, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
298 | ||
fb7a1f55 | 299 | |
300 | ||
301 | // The scintillator of the CPV made of Polystyrene | |
2c3b33cd | 302 | // scintillator -> idtmed[1112] |
303 | AliMedium(13 , "CPV scint. ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin); | |
fb7a1f55 | 304 | |
2c3b33cd | 305 | // Molasse -> idtmed[1123] |
306 | AliMedium(24 , "Molasse ", 24, 0, xfield, xfieldm, tmaxfd, stemax, deemax, xepsil, stmin); | |
fb7a1f55 | 307 | |
d2293f45 | 308 | // Concrete, in case if we need to put hte shafts by ourselves. |
fb7a1f55 | 309 | |
d2293f45 | 310 | Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98,28.086,39.1,40.08,55.85 }; |
311 | Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. }; | |
312 | Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872,.337021,.013,.044,.014 }; | |
313 | ||
314 | AliMixture(17, "CONCRETE$", aconc, zconc, 2.35, 10, wconc); | |
315 | // Concrete | |
316 | AliMedium(17, "CC_C0 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fb7a1f55 | 317 | |
d2293f45 | 318 | } |
319 | /* | |
fb7a1f55 | 320 | //_____________________________________________________________________________ |
321 | void AliCRT::MakeBranch(Option_t* option, const char *file) | |
322 | { | |
323 | // | |
324 | // Specific CRT branches | |
325 | // | |
326 | // Create Tree branches for the CRT. | |
327 | Int_t buffersize = 400; | |
328 | char branchname[10]; | |
329 | sprintf(branchname,"%s",GetName()); | |
330 | ||
331 | AliDetector::MakeBranch(option,file); | |
332 | ||
333 | const char *cD = strstr(option,"D"); | |
334 | ||
335 | if (cD) { | |
336 | digits = new AliCRTdigit(); | |
337 | MakeBranchInTree(gAlice->TreeD(), branchname, "AliCRTdigit", | |
338 | digits, buffersize, 1, file); | |
339 | } | |
340 | ||
341 | } | |
d2293f45 | 342 | */ |
fb7a1f55 | 343 | //_____________________________________________________________________________ |
d2293f45 | 344 | void AliCRT::SetTreeAddress() |
345 | { | |
346 | ||
347 | TBranch *branch; | |
348 | char branchname[20]; | |
349 | sprintf(branchname,"%s",GetName()); | |
350 | ||
351 | // Branch address for hit tree | |
352 | TTree *treeH = gAlice->TreeH(); | |
353 | if (treeH && fHits) { | |
354 | branch = treeH->GetBranch(branchname); | |
355 | if (branch) branch->SetAddress(&fHits); | |
356 | } | |
357 | ||
358 | } |