]>
Commit | Line | Data |
---|---|---|
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 | /* | |
1439f98e | 9 | <img src="picts/AliTOFv0Class.gif"> |
fe4da5cc | 10 | */ |
11 | //End_Html | |
12 | // // | |
13 | /////////////////////////////////////////////////////////////////////////////// | |
14 | ||
15 | #include "AliTOFv0.h" | |
16 | #include "AliRun.h" | |
fe4da5cc | 17 | #include "AliConst.h" |
18 | ||
19 | ClassImp(AliTOFv0) | |
20 | ||
21 | //_____________________________________________________________________________ | |
151e057e | 22 | AliTOFv0::AliTOFv0() |
fe4da5cc | 23 | { |
24 | // | |
25 | // Default constructor | |
26 | // | |
27 | } | |
28 | ||
29 | //_____________________________________________________________________________ | |
30 | AliTOFv0::AliTOFv0(const char *name, const char *title) | |
31 | : AliTOF(name,title) | |
32 | { | |
33 | // | |
34 | // Standard constructor for version 0 of the Time Of Flight | |
35 | // | |
36 | } | |
37 | ||
38 | //_____________________________________________________________________________ | |
39 | void AliTOFv0::CreateGeometry() | |
40 | { | |
41 | // | |
42 | // Definition of Geometry | |
43 | // Authors : Maxim Martemianov, Boris Zagreev (ITEP) 18/09/98 | |
44 | //Begin_Html | |
45 | /* | |
1439f98e | 46 | <img src="picts/AliTOFv0.gif"> |
fe4da5cc | 47 | */ |
48 | //End_Html | |
49 | // | |
50 | ||
fe4da5cc | 51 | Float_t fil_rich; |
52 | Int_t lmax; | |
53 | Float_t phos_phi, zcor2, zcor3, ztof0, ztof1, ztof2; | |
54 | Float_t zl, phos_r; | |
55 | Int_t idrotm[101]; | |
56 | Float_t phos_x; | |
57 | Float_t rp1, rp2; | |
58 | Float_t par[10], fil_min, fil_max, ysz, fil0; | |
59 | // | |
ad51aeb0 | 60 | Int_t *idtmed = fIdtmed->GetArray()-499; |
fe4da5cc | 61 | // |
62 | // barrel size along Z axis | |
151e057e | 63 | // rp1 = 360.; |
64 | // rp2 = 372.; | |
65 | rp1 = 370; | |
66 | rp2 = rp1 + 12; | |
fe4da5cc | 67 | zl = 720.; |
68 | // | |
69 | // TOF width along radius of barrel | |
70 | //xtof = rp2 - rp1; | |
71 | ztof0 = 350.; | |
72 | ztof1 = 200.; | |
73 | ztof2 = 150.; | |
74 | // | |
75 | // Plate width | |
76 | ysz = .6; | |
77 | // PHOS and RICH angles | |
78 | phos_x = 214.6; | |
79 | phos_r = 467.; | |
80 | //phos_z = 260.; | |
81 | //rich_z = 472.5; | |
82 | fil_rich = 30.; | |
83 | lmax = 19; | |
84 | zcor2 = ztof0 - ztof1 / 2.; | |
85 | zcor3 = ztof0 - ztof2 / 2.; | |
86 | phos_phi = TMath::ATan(phos_x / (phos_r * 2.)); | |
87 | fil_min = (kPI - phos_phi * 4.) * kRaddeg - 180. / lmax; | |
88 | fil_max = (phos_phi * 4. + kPI) * kRaddeg + 180. / lmax; | |
89 | // barrel radius in ALIC | |
90 | par[0] = rp1; | |
91 | par[1] = rp2; | |
92 | par[2] = zl / 2.; | |
cfce8870 | 93 | gMC->Gsvolu("FBAR", "TUBE", idtmed[500], par, 3); |
94 | gMC->Gspos("FBAR", 1, "ALIC", 0., 0., 0., 0, "ONLY"); | |
95 | gMC->Gsatt("FBAR", "SEEN", 0); | |
fe4da5cc | 96 | // First Block |
97 | par[0] = (rp1+rp2-ysz)/2.; | |
98 | par[1] = (rp1+rp2+ysz)/2.; | |
99 | par[2] = ztof0; | |
100 | par[3] = 90. - fil_min; | |
101 | par[4] = 90. - fil_rich; | |
102 | fil0 = 180. - (par[3] + par[4]); | |
cfce8870 | 103 | gMC->Gsvolu("FBT1", "TUBS", idtmed[507], par, 5); |
fe4da5cc | 104 | AliMatrix(idrotm[1], 90., fil0, 90., fil0 + 90., 0., 0.); |
cfce8870 | 105 | gMC->Gspos("FBT1", 0, "FBAR", 0., 0., 0., 0, "ONLY"); |
106 | gMC->Gspos("FBT1", 1, "FBAR", 0., 0., 0., idrotm[1], "ONLY"); | |
fe4da5cc | 107 | // --- Second block |
108 | par[2] = ztof1 / 2.; | |
109 | par[3] = 90. - fil_max; | |
110 | par[4] = 90. - fil_min; | |
cfce8870 | 111 | gMC->Gsvolu("FBT2", "TUBS", idtmed[507], par, 5); |
112 | gMC->Gspos("FBT2", 0, "FBAR", 0., 0., zcor2, 0, "ONLY"); | |
113 | gMC->Gspos("FBT2", 1, "FBAR", 0., 0.,-zcor2, 0, "ONLY"); | |
fe4da5cc | 114 | // --- Third block |
115 | par[2] = ztof2 / 2.; | |
116 | par[3] = 90. - fil_rich; | |
117 | par[4] = fil_rich + 90.; | |
cfce8870 | 118 | gMC->Gsvolu("FBT3", "TUBS", idtmed[507], par, 5); |
119 | gMC->Gspos("FBT3", 0, "FBAR", 0., 0., zcor3, 0, "ONLY"); | |
120 | gMC->Gspos("FBT3", 1, "FBAR", 0., 0., -zcor3, 0, "ONLY"); | |
fe4da5cc | 121 | } |
122 | ||
123 | //_____________________________________________________________________________ | |
8f72dc0c | 124 | void AliTOFv0::DrawModule() |
fe4da5cc | 125 | { |
126 | // | |
127 | // Draw a shaded view of the common part of the TOF geometry | |
128 | // for versions 2 and 3 | |
129 | // | |
130 | ||
fe4da5cc | 131 | // Set everything unseen |
cfce8870 | 132 | gMC->Gsatt("*", "seen", -1); |
fe4da5cc | 133 | // |
134 | // Set ALIC mother transparent | |
cfce8870 | 135 | gMC->Gsatt("ALIC","SEEN",0); |
fe4da5cc | 136 | // |
137 | // Set the volumes visible | |
cfce8870 | 138 | gMC->Gsatt("FBAR","SEEN",0); |
139 | gMC->Gsatt("FBT1","SEEN",1); | |
140 | gMC->Gsatt("FBT2","SEEN",1); | |
141 | gMC->Gsatt("FBT3","SEEN",1); | |
142 | // | |
143 | gMC->Gdopt("hide", "on"); | |
144 | gMC->Gdopt("shad", "on"); | |
145 | gMC->Gsatt("*", "fill", 7); | |
146 | // | |
147 | gMC->SetClipBox("."); | |
148 | gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000); | |
149 | gMC->DefaultRange(); | |
150 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02); | |
151 | gMC->Gdhead(1111, "Time Of Flight"); | |
152 | gMC->Gdman(18, 4, "MAN"); | |
153 | gMC->Gdopt("hide","off"); | |
fe4da5cc | 154 | } |
155 | ||
156 | //_____________________________________________________________________________ | |
157 | void AliTOFv0::CreateMaterials() | |
158 | { | |
159 | // | |
160 | // Define materials for the Time Of Flight | |
161 | // | |
162 | AliTOF::CreateMaterials(); | |
163 | } | |
164 | ||
165 | //_____________________________________________________________________________ | |
166 | void AliTOFv0::Init() | |
167 | { | |
168 | // | |
169 | // Initialise detector after that it has been built | |
170 | // | |
171 | ||
fe4da5cc | 172 | AliTOF::Init(); |
cfce8870 | 173 | fIdFBT2=gMC->VolId("FBT2"); |
174 | fIdFBT3=gMC->VolId("FBT3"); | |
fe4da5cc | 175 | } |
176 | ||
177 | //_____________________________________________________________________________ | |
178 | void AliTOFv0::StepManager() | |
179 | { | |
180 | // | |
181 | // Procedure called at each step in the Time Of Flight | |
182 | Float_t hits[8]; | |
183 | Int_t vol[3]; | |
184 | Int_t copy, id; | |
185 | // | |
186 | // Get the pointer to the MonteCarlo | |
ad51aeb0 | 187 | Int_t *idtmed = fIdtmed->GetArray()-499; |
cfce8870 | 188 | if(gMC->GetMedium()==idtmed[510-1] && |
189 | gMC->TrackEntering() && gMC->TrackCharge() | |
190 | && (id=gMC->CurrentVol(0,copy))==fIdSens) { | |
fe4da5cc | 191 | TClonesArray &lhits = *fHits; |
192 | // | |
193 | // Record only charged tracks at entrance | |
194 | vol[2]=copy; | |
cfce8870 | 195 | vol[1]=gMC->CurrentVolOff(1,0,copy); |
fe4da5cc | 196 | if(id==fIdFBT2) copy+=2; else |
197 | if(id==fIdFBT2) copy+=4; | |
198 | vol[0]=1; | |
cfce8870 | 199 | gMC->TrackPosition(hits); |
200 | gMC->TrackMomentum(&hits[3]); | |
201 | hits[7]=gMC->TrackTime(); | |
fe4da5cc | 202 | new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),vol,hits); |
203 | } | |
204 | } | |
205 | ||
206 |