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