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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 | $Log$ | |
2c3b33cd | 18 | Revision 1.3.2.1 2002/07/12 12:31:30 gamez |
19 | Material numbers, correction | |
20 | ||
21 | Revision 1.3 2002/07/10 15:53:10 gamez | |
22 | Molasse redefinition | |
23 | ||
c8a19f01 | 24 | Revision 1.2 2002/07/09 08:45:35 hristov |
25 | Old style include files needed on HP (aCC) | |
26 | ||
b73f53b3 | 27 | Revision 1.1 2002/06/16 17:08:19 hristov |
28 | First version of CRT | |
29 | ||
fb7a1f55 | 30 | |
31 | */ | |
32 | ||
33 | /////////////////////////////////////////////////////////////////////////////// | |
34 | // // | |
35 | // Cosmic Rays ALICE Trigger // | |
36 | // This class contains the basic functions for the Cosmic Ray ALICE // | |
37 | // detector. Functions specific to one particular geometry are // | |
38 | // contained in the derived classes // | |
39 | // | |
40 | // Begin_Html | |
41 | /* | |
42 | <img src="picts/AliCRTClass.gif"> | |
43 | </pre> | |
44 | <p>The responsible person for this module is | |
45 | <a href="mailto:Enrique.Gamez.Flores@cern.ch">Enrique Gamez Flores</a>. | |
46 | </font> | |
47 | <pre> | |
48 | */ | |
49 | //End_Html | |
50 | // | |
51 | // | |
52 | // // | |
53 | /////////////////////////////////////////////////////////////////////////////// | |
54 | ||
55 | ||
b73f53b3 | 56 | #include <iostream.h> |
57 | #include <fstream.h> | |
fb7a1f55 | 58 | |
59 | #include <TTree.h> | |
60 | ||
61 | ||
62 | #include "AliMC.h" | |
63 | #include "AliRun.h" | |
64 | #include "AliMagF.h" | |
65 | ||
66 | #include "AliCRT.h" | |
67 | #include "AliCRTConstants.h" | |
68 | #include "AliCRTdigit.h" | |
69 | #include "AliCRThit.h" | |
70 | ||
71 | ||
72 | ClassImp(AliCRT) | |
73 | ||
74 | ||
75 | static AliCRTdigit *digits; | |
76 | ||
77 | //_____________________________________________________________________________ | |
78 | AliCRT::AliCRT() | |
79 | { | |
80 | // | |
81 | // Default constructor for L3 magnet | |
82 | // | |
83 | ||
84 | fIshunt = 1; | |
85 | fHits = 0; | |
86 | fDigits = 0; | |
87 | } | |
88 | ||
89 | //_____________________________________________________________________________ | |
90 | AliCRT::AliCRT(const char *name, const char *title) | |
91 | : AliDetector(name,title) | |
92 | { | |
93 | // | |
94 | // Standard constructor for the CRT module | |
95 | // | |
96 | ||
97 | fIshunt = 1; // All hits are associated with primary particles | |
98 | ||
99 | fHits = new TClonesArray("AliCRThit",400) ; | |
100 | fDigits = new TClonesArray("AliCRTdigit",400) ; | |
101 | ||
102 | gAlice->AddHitList(fHits); | |
103 | ||
104 | SetMarkerColor(7); | |
105 | SetMarkerStyle(2); | |
106 | SetMarkerSize(0.4); | |
107 | ||
108 | } | |
109 | ||
110 | //_____________________________________________________________________________ | |
111 | AliCRT::~AliCRT() | |
112 | { | |
113 | // | |
114 | // Standar destructor. | |
115 | // | |
116 | if (fHits) { | |
117 | fHits->Delete(); | |
118 | delete fHits; | |
119 | } | |
120 | } | |
121 | ||
122 | //_____________________________________________________________________________ | |
123 | void AliCRT::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
124 | { | |
125 | // | |
126 | // Add a CRT hit | |
127 | // | |
128 | TClonesArray &lhits = *fHits; | |
129 | new(lhits[fNhits++]) AliCRThit(fIshunt,track,vol,hits); | |
130 | } | |
131 | ||
132 | //_____________________________________________________________________________ | |
133 | void AliCRT::AddDigit(Int_t *tracks,Int_t *digits) | |
134 | { | |
135 | ||
136 | // Add a CRT digit to the list. Dummy function. | |
137 | ||
138 | } | |
139 | ||
140 | //_____________________________________________________________________________ | |
141 | void AliCRT::Init() const | |
142 | { | |
143 | // | |
144 | // Initialise ... | |
145 | // | |
146 | ||
147 | Int_t i; | |
148 | // | |
149 | if(fDebug) { | |
150 | printf("\n%s: ",ClassName()); | |
151 | for(i=0;i<35;i++) printf("*"); | |
152 | printf(" CRT_INIT "); | |
153 | for(i=0;i<35;i++) printf("*"); | |
154 | printf("\n%s: ",ClassName()); | |
155 | // | |
156 | // Here the CRT initialisation code (if any!) | |
157 | for(i=0;i<80;i++) printf("*"); | |
158 | printf("\n"); | |
159 | } | |
160 | } | |
161 | ||
162 | //_____________________________________________________________________________ | |
163 | void AliCRT::ResetHits () | |
164 | { | |
165 | // Reset number of clusters and the cluster array for this detector | |
166 | AliDetector::ResetHits (); | |
167 | } | |
168 | ||
169 | //_____________________________________________________________________________ | |
170 | void AliCRT::ResetDigits () | |
171 | { | |
172 | // | |
173 | // Reset number of digits and the digits array for this detector | |
174 | AliDetector::ResetDigits (); | |
175 | // | |
176 | } | |
177 | ||
178 | //____________________________________________________________________________ | |
179 | void AliCRT::FinishEvent() | |
180 | { | |
181 | // do nothing | |
182 | } | |
183 | ||
184 | //_____________________________________________________________________________ | |
185 | void AliCRT::BuildGeometry() | |
186 | { | |
187 | // | |
188 | // Build simple ROOT TNode geometry for event display | |
189 | // | |
190 | } | |
191 | ||
192 | //_____________________________________________________________________________ | |
193 | void AliCRT::CreateGeometry() | |
194 | { | |
195 | // | |
196 | // Build simple ROOT TNode geometry for GEANT simulations | |
197 | // | |
198 | } | |
199 | ||
200 | //_____________________________________________________________________________ | |
201 | void AliCRT::CreateMaterials() | |
202 | { | |
203 | // Magnatic field inside the pit | |
204 | Int_t isxfld = gAlice->Field()->Integ(); | |
205 | Float_t sxmgmx = gAlice->Field()->Max(); | |
206 | ||
207 | //Magnetic field above the Magnet. | |
208 | Int_t xfield = 0; // no Magnetic field. | |
209 | Float_t xfieldm = 0; | |
210 | Float_t xepsil = 0.1; // Tracking precission in cm. obove the pit | |
211 | ||
212 | // --- Define the various materials for GEANT --- | |
fb7a1f55 | 213 | Float_t epsil, stmin, tmaxfd, deemax, stemax; |
214 | // | |
215 | // Aluminum | |
216 | AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
217 | AliMaterial(29, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
218 | AliMaterial(49, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
219 | // | |
220 | // Iron | |
221 | AliMaterial(10, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
222 | AliMaterial(30, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
223 | AliMaterial(50, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
224 | // | |
225 | // Air | |
226 | AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
227 | AliMaterial(35, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
228 | AliMaterial(55, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
fb7a1f55 | 229 | |
230 | // Scintillator material polystyrene | |
231 | Float_t aP[2] = {12.011, 1.00794}; | |
232 | Float_t zP[2] = {6.0, 1.0}; | |
233 | Float_t wP[2] = {1.0, 1.0}; | |
234 | Float_t dP = 1.032; | |
2c3b33cd | 235 | AliMixture(13, "Polystyrene$", aP, zP, dP, -2, wP); |
c8a19f01 | 236 | // Subalpine Molasse over the ALICE hall. |
2c3b33cd | 237 | Float_t aMolasse[10] = { 1., 12.01, 15.994, 22.99, 24.305, 26.98, 28.086, 39.1, 40.08, 55.85 }; |
c8a19f01 | 238 | Float_t zMolasse[10] = {1., 6., 8., 11., 12., 13., 14., 19., 20., 26.}; |
2c3b33cd | 239 | Float_t wMolasse[10] = {0.008, 0.043, 0.485, 0.007, 0.042, 0.037, 0.215, 0.023, 0.1, 0.04}; |
c8a19f01 | 240 | Float_t dMolasse = 2.40; |
2c3b33cd | 241 | AliMixture(24, "Molasse$", aMolasse, zMolasse, dMolasse, 10, wMolasse); |
fb7a1f55 | 242 | |
243 | // **************** | |
244 | // Defines tracking media parameters. | |
245 | // Les valeurs sont commentees pour laisser le defaut | |
246 | // a GEANT (version 3-21, page CONS200), f.m. | |
247 | epsil = .001; // Tracking precision, Inside the pit | |
248 | stemax = -1.; // Maximum displacement for multiple scattering | |
249 | tmaxfd = -20.; // Maximum angle due to field deflection | |
250 | deemax = -.3; // Maximum fractional energy loss, DLS | |
251 | stmin = -.8; | |
252 | // *************** | |
253 | ||
254 | // | |
255 | // Aluminum | |
256 | AliMedium(9, "ALU_C0 ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
257 | AliMedium(29, "ALU_C1 ", 29, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
258 | AliMedium(49, "ALU_C2 ", 49, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
259 | // | |
260 | // Iron | |
261 | AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
262 | AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
263 | AliMedium(50, "FE_C2 ", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
264 | // | |
265 | // Air | |
266 | AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
267 | AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
268 | AliMedium(55, "AIR_C2 ", 55, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fb7a1f55 | 269 | |
270 | ||
271 | // The scintillator of the CPV made of Polystyrene | |
2c3b33cd | 272 | // scintillator -> idtmed[1112] |
273 | AliMedium(13 , "CPV scint. ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin); | |
fb7a1f55 | 274 | |
2c3b33cd | 275 | // Molasse -> idtmed[1123] |
276 | AliMedium(24 , "Molasse ", 24, 0, xfield, xfieldm, tmaxfd, stemax, deemax, xepsil, stmin); | |
fb7a1f55 | 277 | |
278 | ||
279 | } | |
280 | ||
281 | //_____________________________________________________________________________ | |
282 | void AliCRT::MakeBranch(Option_t* option, const char *file) | |
283 | { | |
284 | // | |
285 | // Specific CRT branches | |
286 | // | |
287 | // Create Tree branches for the CRT. | |
288 | Int_t buffersize = 400; | |
289 | char branchname[10]; | |
290 | sprintf(branchname,"%s",GetName()); | |
291 | ||
292 | AliDetector::MakeBranch(option,file); | |
293 | ||
294 | const char *cD = strstr(option,"D"); | |
295 | ||
296 | if (cD) { | |
297 | digits = new AliCRTdigit(); | |
298 | MakeBranchInTree(gAlice->TreeD(), branchname, "AliCRTdigit", | |
299 | digits, buffersize, 1, file); | |
300 | } | |
301 | ||
302 | } | |
303 | //_____________________________________________________________________________ |