Trigger board object base class
[u/mrichter/AliRoot.git] / CRT / AliCRT.cxx
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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
88cb7938 16/* $Id$ */
fb7a1f55 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/AliCRTClass.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
fddb5247 40#include "AliCRT.h"
41
fb7a1f55 42#include <TTree.h>
192ec4f4 43#include <TVirtualMC.h>
fb7a1f55 44
88cb7938 45#include "AliRun.h"
387cc25e 46#include "AliMagF.h"
192ec4f4 47//#include "AliMC.h"
387cc25e 48
192ec4f4 49//#include "AliCRThit.h"
fddb5247 50#include "AliCRTModule.h"
387cc25e 51
fb7a1f55 52ClassImp(AliCRT)
53
fb7a1f55 54//_____________________________________________________________________________
55AliCRT::AliCRT()
fddb5247 56 : AliDetector(),
57 fModule(0)
fb7a1f55 58{
59 //
387cc25e 60 // Default constructor
fb7a1f55 61 //
fb7a1f55 62}
63
64//_____________________________________________________________________________
65AliCRT::AliCRT(const char *name, const char *title)
fddb5247 66 : AliDetector(name, title),
67 fModule(0)
fb7a1f55 68{
69 //
387cc25e 70 // Standard constructor
fb7a1f55 71 //
192ec4f4 72 //fHits = new TClonesArray("AliCRThit", 400);
73 //gAlice->GetMCApp()->AddHitList(fHits);
fb7a1f55 74}
75
76//_____________________________________________________________________________
d2293f45 77AliCRT::AliCRT(const AliCRT& crt)
fddb5247 78 : AliDetector(crt),
79 fModule(crt.fModule)
d2293f45 80{
81 //
387cc25e 82 // Copy constructor
d2293f45 83 //
84 crt.Copy(*this);
d2293f45 85}
86
87//_____________________________________________________________________________
fb7a1f55 88AliCRT::~AliCRT()
89{
90 //
387cc25e 91 // Default destructor
fb7a1f55 92 //
fddb5247 93 if ( fModule ) { delete fModule; fModule = 0; }
fb7a1f55 94}
95
96//_____________________________________________________________________________
387cc25e 97AliCRT& AliCRT::operator=(const AliCRT& crt)
fb7a1f55 98{
d2293f45 99 //
387cc25e 100 // Asingment operator.
fb7a1f55 101 //
387cc25e 102 crt.Copy(*this);
103 return *this;
fb7a1f55 104}
105
106//_____________________________________________________________________________
107void AliCRT::CreateMaterials()
108{
109 // Magnatic field inside the pit
110 Int_t isxfld = gAlice->Field()->Integ();
111 Float_t sxmgmx = gAlice->Field()->Max();
112
113 //Magnetic field above the Magnet.
114 Int_t xfield = 0; // no Magnetic field.
115 Float_t xfieldm = 0;
116 Float_t xepsil = 0.1; // Tracking precission in cm. obove the pit
117
118 // --- Define the various materials for GEANT ---
fb7a1f55 119 Float_t epsil, stmin, tmaxfd, deemax, stemax;
120 //
121 // Aluminum
4a9de4af 122 AliMaterial(9, "ALUMINIUM0$", 26.98, 13., 2.7, 8.9, 37.2);
123 AliMaterial(29, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2);
124 AliMaterial(49, "ALUMINIUM2$", 26.98, 13., 2.7, 8.9, 37.2);
fb7a1f55 125 //
126 // Iron
4a9de4af 127 AliMaterial(10, "IRON0$ ", 55.85, 26., 7.87, 1.76, 17.1);
128 AliMaterial(30, "IRON1$ ", 55.85, 26., 7.87, 1.76, 17.1);
129 AliMaterial(50, "IRON2$ ", 55.85, 26., 7.87, 1.76, 17.1);
fb7a1f55 130 //
131 // Air
4a9de4af 132 AliMaterial(15, "AIR0$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
133 AliMaterial(35, "AIR1$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
134 AliMaterial(55, "AIR2$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
135 AliMaterial(75, "AIR3$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
136 AliMaterial(95, "AIR4$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
d2293f45 137
fb7a1f55 138
139 // Scintillator material polystyrene
140 Float_t aP[2] = {12.011, 1.00794};
141 Float_t zP[2] = {6.0, 1.0};
142 Float_t wP[2] = {1.0, 1.0};
143 Float_t dP = 1.032;
2c3b33cd 144 AliMixture(13, "Polystyrene$", aP, zP, dP, -2, wP);
c8a19f01 145 // Subalpine Molasse over the ALICE hall.
2c3b33cd 146 Float_t aMolasse[10] = { 1., 12.01, 15.994, 22.99, 24.305, 26.98, 28.086, 39.1, 40.08, 55.85 };
c8a19f01 147 Float_t zMolasse[10] = {1., 6., 8., 11., 12., 13., 14., 19., 20., 26.};
2c3b33cd 148 Float_t wMolasse[10] = {0.008, 0.043, 0.485, 0.007, 0.042, 0.037, 0.215, 0.023, 0.1, 0.04};
c8a19f01 149 Float_t dMolasse = 2.40;
2c3b33cd 150 AliMixture(24, "Molasse$", aMolasse, zMolasse, dMolasse, 10, wMolasse);
387cc25e 151
fb7a1f55 152 // ****************
153 // Defines tracking media parameters.
154 // Les valeurs sont commentees pour laisser le defaut
155 // a GEANT (version 3-21, page CONS200), f.m.
156 epsil = .001; // Tracking precision, Inside the pit
157 stemax = -1.; // Maximum displacement for multiple scattering
158 tmaxfd = -20.; // Maximum angle due to field deflection
159 deemax = -.3; // Maximum fractional energy loss, DLS
160 stmin = -.8;
161 // ***************
162
d2293f45 163 Float_t atmaxfd = 10.;
164 Float_t adeemax = -0.1;
165 Float_t aepsil = 0.1;
166 Float_t astmin = -10.;
167
fb7a1f55 168 //
169 // Aluminum
170 AliMedium(9, "ALU_C0 ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
171 AliMedium(29, "ALU_C1 ", 29, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
172 AliMedium(49, "ALU_C2 ", 49, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
173 //
174 // Iron
175 AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
176 AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
177 AliMedium(50, "FE_C2 ", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
178 //
179 // Air
d2293f45 180 AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin);
181 AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin);
182 AliMedium(55, "AIR_C2 ", 55, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin);
183 AliMedium(75, "AIR_C4 ", 75, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin);
387cc25e 184 AliMedium(95, "AIR_C5 ", 95, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin);
d2293f45 185
fb7a1f55 186
187
188 // The scintillator of the CPV made of Polystyrene
2c3b33cd 189 // scintillator -> idtmed[1112]
4a9de4af 190 AliMedium(12 , "CPV scint.0 ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
191 AliMedium(13 , "CPV scint.1 ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
192 AliMedium(14 , "CPV scint.2 ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
387cc25e 193
2c3b33cd 194 // Molasse -> idtmed[1123]
195 AliMedium(24 , "Molasse ", 24, 0, xfield, xfieldm, tmaxfd, stemax, deemax, xepsil, stmin);
fb7a1f55 196
d2293f45 197 // Concrete, in case if we need to put hte shafts by ourselves.
fb7a1f55 198
d2293f45 199 Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98,28.086,39.1,40.08,55.85 };
200 Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. };
201 Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872,.337021,.013,.044,.014 };
387cc25e 202
d2293f45 203 AliMixture(17, "CONCRETE$", aconc, zconc, 2.35, 10, wconc);
204 // Concrete
205 AliMedium(17, "CC_C0 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
387cc25e 206 AliMedium(27, "CC_C1 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // MX24
207 AliMedium(37, "CC_C2 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // PM25
208 AliMedium(47, "CC_C3 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // PGC2
fb7a1f55 209
d2293f45 210}
fb7a1f55 211
fb7a1f55 212//_____________________________________________________________________________
d2293f45 213void AliCRT::SetTreeAddress()
214{
215
216 TBranch *branch;
217 char branchname[20];
218 sprintf(branchname,"%s",GetName());
d2293f45 219 // Branch address for hit tree
88cb7938 220 TTree *treeH = fLoader->TreeH();
192ec4f4 221 if (treeH ) {
d2293f45 222 branch = treeH->GetBranch(branchname);
223 if (branch) branch->SetAddress(&fHits);
224 }
d2293f45 225}
192ec4f4 226
227//_____________________________________________________________________________
228void AliCRT::MakeBranch(Option_t* opt)
229{
230 //
231 // Initializes the branches of the CRT inside the trees written
232 // for each event.
233 //
234 const char* oH = strstr(opt, "H");
235 if ( fLoader->TreeH() && oH && (fHits == 0x0) ) {
236 fHits = new TClonesArray("AliCRThit", 1000);
237 fNhits = 0;
238 }
239 AliDetector::MakeBranch(opt);
240}