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4c039060 | 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 | $Log$ | |
94de3818 | 18 | Revision 1.8 2000/07/10 13:58:01 fca |
19 | New version of ZDC from E.Scomparin & C.Oppedisano | |
20 | ||
68ca986e | 21 | Revision 1.7 2000/01/19 17:17:40 fca |
22 | ||
1cedd08a | 23 | Revision 1.6 1999/09/29 09:24:35 fca |
24 | Introduction of the Copyright and cvs Log | |
25 | ||
4c039060 | 26 | */ |
27 | ||
fe4da5cc | 28 | /////////////////////////////////////////////////////////////////////////////// |
29 | // // | |
30 | // Zero Degree Calorimeter // | |
31 | // This class contains the basic functions for the Time Of Flight // | |
32 | // detector. Functions specific to one particular geometry are // | |
33 | // contained in the derived classes // | |
34 | // // | |
fe4da5cc | 35 | /////////////////////////////////////////////////////////////////////////////// |
36 | ||
37 | #include <TBRIK.h> | |
38 | #include <TNode.h> | |
94de3818 | 39 | #include "TGeometry.h" |
fe4da5cc | 40 | |
41 | #include "AliZDC.h" | |
42 | #include "AliRun.h" | |
43 | #include "AliCallf77.h" | |
44 | #include "AliConst.h" | |
45 | #include "AliMC.h" | |
46 | ||
fe4da5cc | 47 | |
48 | ClassImp(AliZDC) | |
49 | ||
50 | //_____________________________________________________________________________ | |
51 | AliZDC::AliZDC() | |
52 | { | |
53 | // | |
54 | // Default constructor for the Zero Degree Calorimeter base class | |
55 | // | |
68ca986e | 56 | fIshunt = 1; |
57 | fHits = 0; | |
fe4da5cc | 58 | } |
59 | ||
60 | //_____________________________________________________________________________ | |
61 | AliZDC::AliZDC(const char *name, const char *title) | |
62 | : AliDetector(name,title) | |
63 | { | |
64 | // | |
65 | // Standard constructor for the Zero Degree Calorimeter base class | |
66 | // | |
67 | ||
68 | // | |
69 | // Allocate the array of hits | |
70 | fHits = new TClonesArray("AliZDChit", 405); | |
1cedd08a | 71 | gAlice->AddHitList(fHits); |
fe4da5cc | 72 | |
68ca986e | 73 | fIshunt = 1; |
74 | ||
75 | fDimZN[0] = 3.52; | |
76 | fDimZN[1] = 3.52; | |
77 | fDimZN[2] = 50.; | |
78 | fDimZP[0] = 11.2; | |
79 | fDimZP[1] = 6.; | |
80 | fDimZP[2] = 75.; | |
81 | fPosZN[0] = 0.; | |
82 | fPosZN[1] = 0.; | |
83 | fPosZN[2] = 11650.; | |
84 | fPosZP[0] = -23.; | |
85 | fPosZP[1] = 0.; | |
86 | fPosZP[2] = 11600.; | |
87 | fFibZN[0] = 0.; | |
88 | fFibZN[1] = 0.01825; | |
89 | fFibZN[2] = 50.; | |
90 | fFibZP[0] = 0.; | |
91 | fFibZP[1] = 0.0275; | |
92 | fFibZP[2] = 75.; | |
93 | fGrvZN[0] = 0.03; | |
94 | fGrvZN[1] = 0.03; | |
95 | fGrvZN[2] = 50.; | |
96 | fGrvZP[0] = 0.04; | |
97 | fGrvZP[1] = 0.04; | |
98 | fGrvZP[2] = 75.; | |
99 | fDivZN[0] = 11; | |
100 | fDivZN[1] = 11; | |
101 | fDivZN[2] = 0; | |
102 | fDivZP[0] = 7; | |
103 | fDivZP[1] = 15; | |
104 | fDivZP[2] = 0; | |
105 | fTowZN[0] = 2; | |
106 | fTowZN[1] = 2; | |
107 | fTowZP[0] = 4; | |
108 | fTowZP[1] = 1; | |
fe4da5cc | 109 | } |
110 | ||
111 | //_____________________________________________________________________________ | |
112 | void AliZDC::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
113 | { | |
114 | // | |
68ca986e | 115 | // Add a ZDC hit |
fe4da5cc | 116 | // |
68ca986e | 117 | static Float_t primKinEn, xImpact, yImpact, sFlag; |
118 | ||
fe4da5cc | 119 | TClonesArray &lhits = *fHits; |
68ca986e | 120 | |
121 | AliZDChit *newquad, *curquad; | |
122 | newquad = new AliZDChit(fIshunt, track, vol, hits); | |
123 | Int_t i; | |
124 | for(i=0; i<fNhits; i++){ | |
125 | // If the hits are equal (same track, same volume), sum them. | |
126 | curquad=(AliZDChit*) lhits[i]; | |
127 | if(*curquad==*newquad){ | |
128 | *curquad = *curquad+*newquad; | |
129 | delete newquad; | |
130 | // fHits->Print(""); | |
131 | return; | |
132 | } | |
133 | } | |
134 | ||
135 | //Otherwise create a new hit. | |
136 | if(fNhits==0){ | |
137 | // First hit -> setting flag for primary or secondary particle | |
138 | Int_t primary = gAlice->GetPrimary(track); | |
139 | if(track != primary){ | |
140 | newquad->fSFlag = 1; // Hit created by secondary particle entering the ZDC | |
141 | } | |
142 | else if(track == primary){ | |
143 | newquad->fSFlag = 0; // Hit created by PRIMARY particle entering the ZDC | |
144 | } | |
145 | sFlag = newquad->fSFlag; | |
146 | primKinEn = newquad->fPrimKinEn; | |
147 | xImpact = newquad->fXImpact; | |
148 | yImpact = newquad->fYImpact; | |
149 | } | |
150 | else{ | |
151 | newquad->fPrimKinEn = primKinEn; | |
152 | newquad->fXImpact = xImpact; | |
153 | newquad->fYImpact = yImpact; | |
154 | newquad->fSFlag = sFlag; | |
155 | } | |
156 | new(lhits[fNhits++]) AliZDChit(newquad); | |
157 | if(fNhits==1) { | |
158 | // Int_t Curtrack = gAlice->CurrentTrack(); | |
159 | // Int_t Prim = gAlice->GetPrimary(Curtrack); | |
160 | // printf (" Primary track: %d, Current track: %d \n", | |
161 | // Prim, Curtrack); | |
162 | // fHits->Print(""); | |
163 | } | |
164 | delete newquad; | |
165 | // fHits->Print(""); | |
166 | ||
fe4da5cc | 167 | } |
68ca986e | 168 | |
fe4da5cc | 169 | //_____________________________________________________________________________ |
170 | void AliZDC::BuildGeometry() | |
171 | { | |
172 | // | |
173 | // Build the ROOT TNode geometry for event display | |
174 | // in the Zero Degree Calorimeter | |
175 | // This routine is dummy for the moment | |
176 | // | |
177 | ||
68ca986e | 178 | TNode *node, *top; |
179 | TBRIK *brik; | |
180 | const int kColorZDC = kRed; | |
fe4da5cc | 181 | |
182 | // | |
68ca986e | 183 | top=gAlice->GetGeometry()->GetNode("alice"); |
fe4da5cc | 184 | |
185 | // ZDC | |
fe4da5cc | 186 | brik = new TBRIK("S_ZDC","ZDC box","void",300,300,5); |
68ca986e | 187 | top->cd(); |
188 | node = new TNode("ZDC","ZDC","S_ZDC",0,0,600,""); | |
189 | node->SetLineColor(kColorZDC); | |
190 | fNodes->Add(node); | |
fe4da5cc | 191 | } |
192 | ||
193 | //_____________________________________________________________________________ | |
194 | Int_t AliZDC::DistancetoPrimitive(Int_t , Int_t ) | |
195 | { | |
196 | // | |
197 | // Distance from the mouse to the Zero Degree Calorimeter | |
198 | // Dummy routine | |
199 | // | |
200 | return 9999; | |
201 | } | |
202 | ||
fe4da5cc | 203 | //_____________________________________________________________________________ |
204 | void AliZDC::StepManager() | |
205 | { | |
206 | // | |
207 | // Routine called at every step in the Zero Degree Calorimeter | |
fe4da5cc | 208 | // |
fe4da5cc | 209 | } |
210 | ||
211 | ClassImp(AliZDChit) | |
212 | ||
213 | //_____________________________________________________________________________ | |
214 | AliZDChit::AliZDChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits): | |
215 | AliHit(shunt, track) | |
216 | { | |
217 | // | |
68ca986e | 218 | // Add a ZDC hit |
fe4da5cc | 219 | // |
220 | Int_t i; | |
68ca986e | 221 | for(i=0; i<2; i++) fVolume[i] = vol[i]; |
222 | fX = hits[0]; | |
223 | fY = hits[1]; | |
224 | fZ = hits[2]; | |
225 | fPrimKinEn = hits[3]; | |
226 | fXImpact = hits[4]; | |
227 | fYImpact = hits[5]; | |
228 | fSFlag = hits[6]; | |
229 | fLightPMQ = hits[7]; | |
230 | fLightPMC = hits[8]; | |
231 | fEnergy = hits[9]; | |
fe4da5cc | 232 | } |