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 1.7 2001/05/10 12:28:26 jbarbosa
19 Repositioned the RICH modules.
21 Revision 1.6 2001/02/13 20:10:45 jbarbosa
22 Removed call to SetNSec() (obsolete). Fixed bug in chamber initialisation (not all chambers were initialised).
24 Revision 1.5 2000/12/20 14:08:14 jbarbosa
25 Removed dependencies on TGeant3 (thanks to F. Carminati and I. Hrivnacova)
27 Revision 1.4 2000/12/18 17:44:49 jbarbosa
28 Took two lines out of output.
30 Revision 1.3 2000/10/03 21:44:09 morsch
31 Use AliSegmentation and AliHit abstract base classes.
33 Revision 1.2 2000/07/10 15:28:39 fca
34 Correction of the inheritance scheme
36 Revision 1.1 2000/06/30 16:40:03 dibari
37 New configurale version.
39 Revision 1.4 2000/06/13 13:13:40 jbarbosa
40 Correcting previous correction...
42 Revision 1.3 2000/06/13 13:06:38 jbarbosa
43 Fixed compiling error for HP (multiple declaration)
45 Revision 1.2 2000/06/12 15:36:16 jbarbosa
48 Revision 1.1 2000/06/09 15:00:31 jbarbosa
49 New full version. All parameters configurable.
51 Revision 1.9 2000/05/31 08:19:38 jbarbosa
52 Fixed bug in StepManager
54 Revision 1.8 2000/05/26 17:30:08 jbarbosa
55 Cerenkov angle now stored within cerenkov data structure.
57 Revision 1.7 2000/05/18 10:31:36 jbarbosa
58 Fixed positioning of spacers inside freon.
59 Fixed positioning of proximity gap
61 Fixed cut on neutral particles in the StepManager.
63 Revision 1.6 2000/04/28 11:51:58 morsch
64 Dimensions of arrays hits and Ckov_data corrected.
66 Revision 1.5 2000/04/19 13:28:46 morsch
67 Major changes in geometry (parametrised), materials (updated) and
68 step manager (diagnostics) (JB, AM)
74 //////////////////////////////////////////////////////////
75 // Manager and hits classes for set: RICH full version //
76 //////////////////////////////////////////////////////////
81 #include <TParticle.h>
83 #include "AliRICHv2.h"
84 #include "AliRICHHit.h"
88 #include "AliCallf77.h"
94 //___________________________________________
95 AliRICHv2::AliRICHv2()
98 // Default constructor fo AliRICHvv2 (full version)
103 //___________________________________________
104 AliRICHv2::AliRICHv2(const char *name, const char *title)
105 : AliRICH(name,title)
108 // Full version of RICH with hits and diagnostics, CONFIURABLE
113 fChambers = new TObjArray(kNCH);
114 for (Int_t i=0; i<kNCH; i++) {
116 (*fChambers)[i] = new AliRICHChamber();
121 void AliRICHv2::Init()
125 printf("%s: *********************************** RICH_INIT ***********************************\n",ClassName());
126 printf("%s: * *\n",ClassName());
127 printf("%s: * AliRICHv2 Configurable version started *\n",ClassName());
128 printf("%s: * *\n",ClassName());
132 AliSegmentation* segmentation;
133 AliRICHGeometry* geometry;
134 AliRICHResponse* response;
138 // Initialize Tracking Chambers
140 for (Int_t i=0; i<kNCH; i++) {
142 ( (AliRICHChamber*) (*fChambers)[i])->Init(i);
146 // Set the chamber (sensitive region) GEANT identifier
148 ((AliRICHChamber*)(*fChambers)[0])->SetGid(1);
149 ((AliRICHChamber*)(*fChambers)[1])->SetGid(2);
150 ((AliRICHChamber*)(*fChambers)[2])->SetGid(3);
151 ((AliRICHChamber*)(*fChambers)[3])->SetGid(4);
152 ((AliRICHChamber*)(*fChambers)[4])->SetGid(5);
153 ((AliRICHChamber*)(*fChambers)[5])->SetGid(6);
154 ((AliRICHChamber*)(*fChambers)[6])->SetGid(7);
156 segmentation=Chamber(0).GetSegmentationModel(0);
157 geometry=Chamber(0).GetGeometryModel();
158 response=Chamber(0).GetResponseModel();
160 Float_t offset = 490 + 1.276 - geometry->GetGapThickness()/2; //distance from center of mother volume to methane
161 Float_t deltaphi = 19.5; //phi angle between center of chambers - z direction
162 Float_t deltatheta = 20; //theta angle between center of chambers - x direction
163 Float_t cosphi = TMath::Cos(deltaphi*TMath::Pi()/180);
164 Float_t sinphi = TMath::Sin(deltaphi*TMath::Pi()/180);
165 Float_t costheta = TMath::Cos(deltatheta*TMath::Pi()/180);
166 Float_t sintheta = TMath::Sin(deltatheta*TMath::Pi()/180);
168 Float_t pos1[3]={0. , offset*cosphi , offset*sinphi};
169 Float_t pos2[3]={offset*sintheta , offset*costheta , 0. };
170 Float_t pos3[3]={0. , offset , 0.};
171 Float_t pos4[3]={-offset*sintheta , offset*costheta , 0.};
172 Float_t pos5[3]={offset*sinphi , offset*costheta*cosphi, -offset*sinphi};
173 Float_t pos6[3]={0. , offset*cosphi , -offset*sinphi};
174 Float_t pos7[3]={ -offset*sinphi , offset*costheta*cosphi, -offset*sinphi};
176 Chamber(0).SetChamberTransform(pos1[0],pos1[1],pos1[2],new TRotMatrix("rot993","rot993",90., 0. , 90. - deltaphi, 90. , deltaphi, -90. ));
177 Chamber(1).SetChamberTransform(pos2[0],pos2[1],pos2[2],new TRotMatrix("rot994","rot994",90., -deltatheta , 90. , 90.- deltatheta , 0. , 0. ));
178 Chamber(2).SetChamberTransform(pos3[0],pos3[1],pos3[2],new TRotMatrix("rot995","rot995",90., 0. , 90. , 90. , 0. , 0. ));
179 Chamber(3).SetChamberTransform(pos4[0],pos4[1],pos4[2],new TRotMatrix("rot996","rot996",90., deltatheta , 90. , 90 + deltatheta , 0. , 0. ));
180 Chamber(4).SetChamberTransform(pos5[0],pos5[1],pos5[2],new TRotMatrix("rot997","rot997",90., 360. - deltatheta, 108.2 , 90.- deltatheta ,18.2 , 90 - deltatheta));
181 Chamber(5).SetChamberTransform(pos6[0],pos6[1],pos6[2],new TRotMatrix("rot998","rot998",90., 0. , 90 + deltaphi , 90. , deltaphi, 90. ));
182 Chamber(6).SetChamberTransform(pos7[0],pos7[1],pos7[2],new TRotMatrix("rot999","rot999",90., deltatheta , 108.2 , 90.+ deltatheta ,18.2 , 90 + deltatheta));
185 printf("%s: * Pads : %3dx%3d *\n",
186 ClassName(),segmentation->Npx(),segmentation->Npy());
187 printf("%s: * Pad size : %5.2f x%5.2f mm2 *\n",
188 ClassName(),segmentation->Dpx(),segmentation->Dpy());
189 printf("%s: * Gap Thickness : %5.1f cm *\n",
190 ClassName(),geometry->GetGapThickness());
191 printf("%s: * Radiator Width : %5.1f cm *\n",
192 ClassName(),geometry->GetQuartzWidth());
193 printf("%s: * Radiator Length : %5.1f cm *\n",
194 ClassName(),geometry->GetQuartzLength());
195 printf("%s: * Freon Thickness : %5.1f cm *\n",
196 ClassName(),geometry->GetFreonThickness());
197 printf("%s: * Charge Slope : %5.1f ADC *\n",
198 ClassName(),response->ChargeSlope());
199 printf("%s: * Feedback Prob. : %5.2f %% *\n",
200 ClassName(),response->AlphaFeedback()*100);
201 printf("%s: * Debug Level : %3d *\n",
202 ClassName(),GetDebugLevel());
205 printf("%s: *********************************************************************************\n",