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fe4da5cc | 1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // // | |
3 | // Time Of Flight // | |
4 | // This class contains the functions for version 0 of the Time Of Flight // | |
5 | // detector. // | |
6 | // // | |
7 | //Begin_Html | |
8 | /* | |
9 | <img src="gif/AliTOFv0Class.gif"> | |
10 | */ | |
11 | //End_Html | |
12 | // // | |
13 | /////////////////////////////////////////////////////////////////////////////// | |
14 | ||
15 | #include "AliTOFv0.h" | |
16 | #include "AliRun.h" | |
17 | #include "AliMC.h" | |
18 | #include "AliConst.h" | |
19 | ||
20 | ClassImp(AliTOFv0) | |
21 | ||
22 | //_____________________________________________________________________________ | |
23 | AliTOFv0::AliTOFv0() : AliTOF() | |
24 | { | |
25 | // | |
26 | // Default constructor | |
27 | // | |
28 | } | |
29 | ||
30 | //_____________________________________________________________________________ | |
31 | AliTOFv0::AliTOFv0(const char *name, const char *title) | |
32 | : AliTOF(name,title) | |
33 | { | |
34 | // | |
35 | // Standard constructor for version 0 of the Time Of Flight | |
36 | // | |
37 | } | |
38 | ||
39 | //_____________________________________________________________________________ | |
40 | void AliTOFv0::CreateGeometry() | |
41 | { | |
42 | // | |
43 | // Definition of Geometry | |
44 | // Authors : Maxim Martemianov, Boris Zagreev (ITEP) 18/09/98 | |
45 | //Begin_Html | |
46 | /* | |
47 | <img src="gif/AliTOFv0.gif"> | |
48 | */ | |
49 | //End_Html | |
50 | // | |
51 | ||
52 | AliMC* pMC = AliMC::GetMC(); | |
53 | ||
54 | Float_t fil_rich; | |
55 | Int_t lmax; | |
56 | Float_t phos_phi, zcor2, zcor3, ztof0, ztof1, ztof2; | |
57 | Float_t zl, phos_r; | |
58 | Int_t idrotm[101]; | |
59 | Float_t phos_x; | |
60 | Float_t rp1, rp2; | |
61 | Float_t par[10], fil_min, fil_max, ysz, fil0; | |
62 | // | |
63 | Int_t *idtmed = gAlice->Idtmed(); | |
64 | // | |
65 | // barrel size along Z axis | |
66 | rp1 = 360.; | |
67 | rp2 = 372.; | |
68 | zl = 720.; | |
69 | // | |
70 | // TOF width along radius of barrel | |
71 | //xtof = rp2 - rp1; | |
72 | ztof0 = 350.; | |
73 | ztof1 = 200.; | |
74 | ztof2 = 150.; | |
75 | // | |
76 | // Plate width | |
77 | ysz = .6; | |
78 | // PHOS and RICH angles | |
79 | phos_x = 214.6; | |
80 | phos_r = 467.; | |
81 | //phos_z = 260.; | |
82 | //rich_z = 472.5; | |
83 | fil_rich = 30.; | |
84 | lmax = 19; | |
85 | zcor2 = ztof0 - ztof1 / 2.; | |
86 | zcor3 = ztof0 - ztof2 / 2.; | |
87 | phos_phi = TMath::ATan(phos_x / (phos_r * 2.)); | |
88 | fil_min = (kPI - phos_phi * 4.) * kRaddeg - 180. / lmax; | |
89 | fil_max = (phos_phi * 4. + kPI) * kRaddeg + 180. / lmax; | |
90 | // barrel radius in ALIC | |
91 | par[0] = rp1; | |
92 | par[1] = rp2; | |
93 | par[2] = zl / 2.; | |
94 | pMC->Gsvolu("FBAR", "TUBE", idtmed[500], par, 3); | |
95 | pMC->Gspos("FBAR", 1, "ALIC", 0., 0., 0., 0, "ONLY"); | |
96 | pMC->Gsatt("FBAR", "SEEN", 0); | |
97 | // First Block | |
98 | par[0] = (rp1+rp2-ysz)/2.; | |
99 | par[1] = (rp1+rp2+ysz)/2.; | |
100 | par[2] = ztof0; | |
101 | par[3] = 90. - fil_min; | |
102 | par[4] = 90. - fil_rich; | |
103 | fil0 = 180. - (par[3] + par[4]); | |
104 | pMC->Gsvolu("FBT1", "TUBS", idtmed[507], par, 5); | |
105 | AliMatrix(idrotm[1], 90., fil0, 90., fil0 + 90., 0., 0.); | |
106 | pMC->Gspos("FBT1", 0, "FBAR", 0., 0., 0., 0, "ONLY"); | |
107 | pMC->Gspos("FBT1", 1, "FBAR", 0., 0., 0., idrotm[1], "ONLY"); | |
108 | // --- Second block | |
109 | par[2] = ztof1 / 2.; | |
110 | par[3] = 90. - fil_max; | |
111 | par[4] = 90. - fil_min; | |
112 | pMC->Gsvolu("FBT2", "TUBS", idtmed[507], par, 5); | |
113 | pMC->Gspos("FBT2", 0, "FBAR", 0., 0., zcor2, 0, "ONLY"); | |
114 | pMC->Gspos("FBT2", 1, "FBAR", 0., 0.,-zcor2, 0, "ONLY"); | |
115 | // --- Third block | |
116 | par[2] = ztof2 / 2.; | |
117 | par[3] = 90. - fil_rich; | |
118 | par[4] = fil_rich + 90.; | |
119 | pMC->Gsvolu("FBT3", "TUBS", idtmed[507], par, 5); | |
120 | pMC->Gspos("FBT3", 0, "FBAR", 0., 0., zcor3, 0, "ONLY"); | |
121 | pMC->Gspos("FBT3", 1, "FBAR", 0., 0., -zcor3, 0, "ONLY"); | |
122 | } | |
123 | ||
124 | //_____________________________________________________________________________ | |
8f72dc0c | 125 | void AliTOFv0::DrawModule() |
fe4da5cc | 126 | { |
127 | // | |
128 | // Draw a shaded view of the common part of the TOF geometry | |
129 | // for versions 2 and 3 | |
130 | // | |
131 | ||
132 | AliMC* pMC = AliMC::GetMC(); | |
133 | ||
134 | // Set everything unseen | |
135 | pMC->Gsatt("*", "seen", -1); | |
136 | // | |
137 | // Set ALIC mother transparent | |
138 | pMC->Gsatt("ALIC","SEEN",0); | |
139 | // | |
140 | // Set the volumes visible | |
141 | pMC->Gsatt("FBAR","SEEN",0); | |
142 | pMC->Gsatt("FBT1","SEEN",1); | |
143 | pMC->Gsatt("FBT2","SEEN",1); | |
144 | pMC->Gsatt("FBT3","SEEN",1); | |
145 | // | |
146 | pMC->Gdopt("hide", "on"); | |
147 | pMC->Gdopt("shad", "on"); | |
148 | pMC->Gsatt("*", "fill", 7); | |
149 | // | |
150 | pMC->SetClipBox("."); | |
151 | pMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000); | |
152 | pMC->DefaultRange(); | |
153 | pMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02); | |
154 | pMC->Gdhead(1111, "Time Of Flight"); | |
155 | pMC->Gdman(18, 4, "MAN"); | |
156 | pMC->Gdopt("hide","off"); | |
157 | } | |
158 | ||
159 | //_____________________________________________________________________________ | |
160 | void AliTOFv0::CreateMaterials() | |
161 | { | |
162 | // | |
163 | // Define materials for the Time Of Flight | |
164 | // | |
165 | AliTOF::CreateMaterials(); | |
166 | } | |
167 | ||
168 | //_____________________________________________________________________________ | |
169 | void AliTOFv0::Init() | |
170 | { | |
171 | // | |
172 | // Initialise detector after that it has been built | |
173 | // | |
174 | ||
175 | AliMC* pMC = AliMC::GetMC(); | |
176 | ||
177 | AliTOF::Init(); | |
178 | fIdFBT2=pMC->VolId("FBT2"); | |
179 | fIdFBT3=pMC->VolId("FBT3"); | |
180 | } | |
181 | ||
182 | //_____________________________________________________________________________ | |
183 | void AliTOFv0::StepManager() | |
184 | { | |
185 | // | |
186 | // Procedure called at each step in the Time Of Flight | |
187 | Float_t hits[8]; | |
188 | Int_t vol[3]; | |
189 | Int_t copy, id; | |
190 | // | |
191 | // Get the pointer to the MonteCarlo | |
192 | AliMC *pMC= AliMC::GetMC(); | |
193 | Int_t *idtmed = gAlice->Idtmed(); | |
194 | if(pMC->GetMedium()==idtmed[510-1] && | |
195 | pMC->TrackEntering() && pMC->TrackCharge() | |
196 | && (id=pMC->CurrentVol(0,copy))==fIdSens) { | |
197 | TClonesArray &lhits = *fHits; | |
198 | // | |
199 | // Record only charged tracks at entrance | |
200 | vol[2]=copy; | |
201 | vol[1]=pMC->CurrentVolOff(1,0,copy); | |
202 | if(id==fIdFBT2) copy+=2; else | |
203 | if(id==fIdFBT2) copy+=4; | |
204 | vol[0]=1; | |
205 | pMC->TrackPosition(hits); | |
206 | pMC->TrackMomentum(&hits[3]); | |
207 | hits[7]=pMC->TrackTime(); | |
208 | new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),vol,hits); | |
209 | } | |
210 | } | |
211 | ||
212 |