1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 Revision 1.10 2002/10/22 16:28:21 alibrary
19 Introducing Riostream.h
21 Revision 1.9 2002/10/14 14:57:32 hristov
22 Merging the VirtualMC branch to the main development branch (HEAD)
24 Revision 1.8.10.2 2002/07/24 10:07:52 alibrary
27 Revision 1.8.10.1 2002/06/10 15:12:46 hristov
30 Revision 1.8 2001/05/16 14:57:20 alibrary
31 New files for folders and Stack
33 Revision 1.7 2001/05/10 12:28:26 jbarbosa
34 Repositioned the RICH modules.
36 Revision 1.6 2001/02/13 20:10:45 jbarbosa
37 Removed call to SetNSec() (obsolete). Fixed bug in chamber initialisation (not all chambers were initialised).
39 Revision 1.5 2000/12/20 14:08:14 jbarbosa
40 Removed dependencies on TGeant3 (thanks to F. Carminati and I. Hrivnacova)
42 Revision 1.4 2000/12/18 17:44:49 jbarbosa
43 Took two lines out of output.
45 Revision 1.3 2000/10/03 21:44:09 morsch
46 Use AliSegmentation and AliHit abstract base classes.
48 Revision 1.2 2000/07/10 15:28:39 fca
49 Correction of the inheritance scheme
51 Revision 1.1 2000/06/30 16:40:03 dibari
52 New configurale version.
54 Revision 1.4 2000/06/13 13:13:40 jbarbosa
55 Correcting previous correction...
57 Revision 1.3 2000/06/13 13:06:38 jbarbosa
58 Fixed compiling error for HP (multiple declaration)
60 Revision 1.2 2000/06/12 15:36:16 jbarbosa
63 Revision 1.1 2000/06/09 15:00:31 jbarbosa
64 New full version. All parameters configurable.
66 Revision 1.9 2000/05/31 08:19:38 jbarbosa
67 Fixed bug in StepManager
69 Revision 1.8 2000/05/26 17:30:08 jbarbosa
70 Cerenkov angle now stored within cerenkov data structure.
72 Revision 1.7 2000/05/18 10:31:36 jbarbosa
73 Fixed positioning of spacers inside freon.
74 Fixed positioning of proximity gap
76 Fixed cut on neutral particles in the StepManager.
78 Revision 1.6 2000/04/28 11:51:58 morsch
79 Dimensions of arrays hits and Ckov_data corrected.
81 Revision 1.5 2000/04/19 13:28:46 morsch
82 Major changes in geometry (parametrised), materials (updated) and
83 step manager (diagnostics) (JB, AM)
89 //////////////////////////////////////////////////////////
90 // Manager and hits classes for set: RICH full version //
91 //////////////////////////////////////////////////////////
96 #include <TParticle.h>
98 #include "AliRICHv2.h"
99 #include "AliRICHHit.h"
101 #include "Riostream.h"
102 #include "AliConst.h"
107 //___________________________________________
108 AliRICHv2::AliRICHv2()
111 // Default constructor fo AliRICHvv2 (full version)
116 //___________________________________________
117 AliRICHv2::AliRICHv2(const char *name, const char *title)
118 : AliRICH(name,title)
121 // Full version of RICH with hits and diagnostics, CONFIURABLE
126 fChambers = new TObjArray(kNCH);
127 for (Int_t i=0; i<kNCH; i++) {
129 (*fChambers)[i] = new AliRICHChamber();
134 void AliRICHv2::Init()
138 printf("%s: *********************************** RICH_INIT ***********************************\n",ClassName());
139 printf("%s: * *\n",ClassName());
140 printf("%s: * AliRICHv2 Configurable version started *\n",ClassName());
141 printf("%s: * *\n",ClassName());
145 AliSegmentation* segmentation;
146 AliRICHGeometry* geometry;
147 AliRICHResponse* response;
151 // Initialize Tracking Chambers
153 for (Int_t i=0; i<kNCH; i++) {
155 ( (AliRICHChamber*) (*fChambers)[i])->Init(i);
159 // Set the chamber (sensitive region) GEANT identifier
161 ((AliRICHChamber*)(*fChambers)[0])->SetGid(1);
162 ((AliRICHChamber*)(*fChambers)[1])->SetGid(2);
163 ((AliRICHChamber*)(*fChambers)[2])->SetGid(3);
164 ((AliRICHChamber*)(*fChambers)[3])->SetGid(4);
165 ((AliRICHChamber*)(*fChambers)[4])->SetGid(5);
166 ((AliRICHChamber*)(*fChambers)[5])->SetGid(6);
167 ((AliRICHChamber*)(*fChambers)[6])->SetGid(7);
169 segmentation=Chamber(0).GetSegmentationModel(0);
170 geometry=Chamber(0).GetGeometryModel();
171 response=Chamber(0).GetResponseModel();
173 Float_t offset = 490 + 1.276 - geometry->GetGapThickness()/2; //distance from center of mother volume to methane
174 Float_t deltaphi = 19.5; //phi angle between center of chambers - z direction
175 Float_t deltatheta = 20; //theta angle between center of chambers - x direction
176 Float_t cosphi = TMath::Cos(deltaphi*TMath::Pi()/180);
177 Float_t sinphi = TMath::Sin(deltaphi*TMath::Pi()/180);
178 Float_t costheta = TMath::Cos(deltatheta*TMath::Pi()/180);
179 Float_t sintheta = TMath::Sin(deltatheta*TMath::Pi()/180);
181 Float_t pos1[3]={0. , offset*cosphi , offset*sinphi};
182 Float_t pos2[3]={offset*sintheta , offset*costheta , 0. };
183 Float_t pos3[3]={0. , offset , 0.};
184 Float_t pos4[3]={-offset*sintheta , offset*costheta , 0.};
185 Float_t pos5[3]={offset*sinphi , offset*costheta*cosphi, -offset*sinphi};
186 Float_t pos6[3]={0. , offset*cosphi , -offset*sinphi};
187 Float_t pos7[3]={ -offset*sinphi , offset*costheta*cosphi, -offset*sinphi};
189 Chamber(0).SetChamberTransform(pos1[0],pos1[1],pos1[2],new TRotMatrix("rot993","rot993",90., 0. , 90. - deltaphi, 90. , deltaphi, -90. ));
190 Chamber(1).SetChamberTransform(pos2[0],pos2[1],pos2[2],new TRotMatrix("rot994","rot994",90., -deltatheta , 90. , 90.- deltatheta , 0. , 0. ));
191 Chamber(2).SetChamberTransform(pos3[0],pos3[1],pos3[2],new TRotMatrix("rot995","rot995",90., 0. , 90. , 90. , 0. , 0. ));
192 Chamber(3).SetChamberTransform(pos4[0],pos4[1],pos4[2],new TRotMatrix("rot996","rot996",90., deltatheta , 90. , 90 + deltatheta , 0. , 0. ));
193 Chamber(4).SetChamberTransform(pos5[0],pos5[1],pos5[2],new TRotMatrix("rot997","rot997",90., 360. - deltatheta, 108.2 , 90.- deltatheta ,18.2 , 90 - deltatheta));
194 Chamber(5).SetChamberTransform(pos6[0],pos6[1],pos6[2],new TRotMatrix("rot998","rot998",90., 0. , 90 + deltaphi , 90. , deltaphi, 90. ));
195 Chamber(6).SetChamberTransform(pos7[0],pos7[1],pos7[2],new TRotMatrix("rot999","rot999",90., deltatheta , 108.2 , 90.+ deltatheta ,18.2 , 90 + deltatheta));
198 printf("%s: * Pads : %3dx%3d *\n",
199 ClassName(),segmentation->Npx(),segmentation->Npy());
200 printf("%s: * Pad size : %5.2f x%5.2f mm2 *\n",
201 ClassName(),segmentation->Dpx(),segmentation->Dpy());
202 printf("%s: * Gap Thickness : %5.1f cm *\n",
203 ClassName(),geometry->GetGapThickness());
204 printf("%s: * Radiator Width : %5.1f cm *\n",
205 ClassName(),geometry->GetQuartzWidth());
206 printf("%s: * Radiator Length : %5.1f cm *\n",
207 ClassName(),geometry->GetQuartzLength());
208 printf("%s: * Freon Thickness : %5.1f cm *\n",
209 ClassName(),geometry->GetFreonThickness());
210 printf("%s: * Charge Slope : %5.1f ADC *\n",
211 ClassName(),response->ChargeSlope());
212 printf("%s: * Feedback Prob. : %5.2f %% *\n",
213 ClassName(),response->AlphaFeedback()*100);
214 printf("%s: * Debug Level : %3d *\n",
215 ClassName(),GetDebugLevel());
218 printf("%s: *********************************************************************************\n",