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fe4da5cc | 1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // // | |
3 | // Time Of Flight // | |
4 | // This class contains the functions for version 3 of the Time Of Flight // | |
5 | // detector. // | |
6 | // // | |
7 | //Begin_Html | |
8 | /* | |
1439f98e | 9 | <img src="picts/AliTOFv3Class.gif"> |
fe4da5cc | 10 | */ |
11 | //End_Html | |
12 | // // | |
13 | /////////////////////////////////////////////////////////////////////////////// | |
14 | ||
15 | #include "AliTOFv3.h" | |
16 | #include <TNode.h> | |
17 | #include <TTUBE.h> | |
18 | #include "AliRun.h" | |
19 | #include "AliMC.h" | |
20 | ||
21 | ClassImp(AliTOFv3) | |
22 | ||
23 | //_____________________________________________________________________________ | |
ad51aeb0 | 24 | AliTOFv3::AliTOFv3() |
fe4da5cc | 25 | { |
26 | // | |
27 | // Default constructor | |
28 | // | |
29 | } | |
30 | ||
31 | //_____________________________________________________________________________ | |
32 | AliTOFv3::AliTOFv3(const char *name, const char *title) | |
33 | : AliTOF(name,title) | |
34 | { | |
35 | // | |
36 | // Standard constructor | |
37 | // | |
38 | } | |
39 | ||
40 | //_____________________________________________________________________________ | |
41 | void AliTOFv3::CreateGeometry() | |
42 | { | |
43 | // | |
44 | // Create geometry for Time Of Flight version 2 | |
45 | // | |
46 | //Begin_Html | |
47 | /* | |
1439f98e | 48 | <img src="picts/AliTOFv3.gif"> |
fe4da5cc | 49 | */ |
50 | //End_Html | |
51 | // | |
52 | ||
53 | // | |
54 | // Create common geometry between version 2 and 3 | |
55 | // | |
56 | AliTOF::CreateGeometry(); | |
57 | } | |
58 | ||
59 | //_____________________________________________________________________________ | |
60 | void AliTOFv3::TOFpc(Float_t xm, Float_t ym, Float_t zm0, | |
61 | Float_t zm1, Float_t zm2) | |
62 | { | |
63 | // | |
64 | // Definition of the Time Of Fligh Parallel Plate Chambers | |
65 | // | |
66 | ||
fe4da5cc | 67 | Int_t inum; |
68 | Float_t xcor, zcor, ytop; | |
69 | Int_t inum1; | |
70 | Float_t xcor1, xcor2, ycoor; | |
71 | Float_t stepx, stepz, dx, dy, dz, xp, yp, zp, shiftx, shiftz, ywidth; | |
72 | Float_t shiftx1, shiftx2, xad, zad; | |
73 | Int_t ink; | |
74 | Float_t par[10]; | |
75 | Int_t inz; | |
76 | Float_t xzd; | |
77 | Int_t nxp, npx, npz; | |
78 | Float_t xsz, ysz, zsz; | |
79 | Int_t nzp0, nzp1, nzp2; | |
80 | ||
ad51aeb0 | 81 | Int_t *idtmed = fIdtmed->GetArray()-499; |
fe4da5cc | 82 | |
83 | // X size of PPC plate | |
84 | xsz = 54.; | |
85 | // Y size of PPC plate | |
86 | ysz = .2; | |
87 | // Z size of PPC plate | |
88 | zsz = 48.; | |
89 | // First return additional shift along X | |
90 | xad = 1.5; | |
91 | // Second return additional shift along X | |
92 | xzd = .5; | |
93 | // Return additional shift along Z | |
94 | zad = .25; | |
95 | // Width of DME box | |
96 | ywidth = 4.; | |
97 | // X size of PPC chamber | |
98 | xp = 5.7; | |
99 | // Y size of PPC chamber | |
100 | yp = .32; | |
101 | // Z size of PPC chamber | |
102 | zp = 5.7; | |
103 | // Frame width along X,Y and Z axis of PPC chambers | |
104 | dx = .2; | |
105 | dy = .1; | |
106 | dz = .2; | |
107 | // No sensitive volumes with DME | |
108 | par[0] = xm / 2.; | |
109 | par[1] = ywidth / 2.; | |
110 | par[2] = zm0 / 2.; | |
111 | ycoor = ym / 3. - ywidth / 2.; | |
cfce8870 | 112 | gMC->Gsvolu("FBT1", "BOX ", idtmed[505], par, 3); |
113 | gMC->Gspos("FBT1", 0, "FTO1", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 114 | par[2] = zm1 / 2.; |
cfce8870 | 115 | gMC->Gsvolu("FBT2", "BOX ", idtmed[505], par, 3); |
116 | gMC->Gspos("FBT2", 1, "FTO2", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 117 | par[2] = zm2 / 2.; |
cfce8870 | 118 | gMC->Gsvolu("FBT3", "BOX ", idtmed[505], par, 3); |
119 | gMC->Gspos("FBT3", 2, "FTO3", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 120 | // Electronic plate |
121 | par[1] = ysz / 2.; | |
122 | par[2] = zm0 / 2.; | |
123 | ycoor = ywidth / 2. - ysz / 2.; | |
cfce8870 | 124 | gMC->Gsvolu("FPE1", "BOX ", idtmed[504], par, 3); |
125 | gMC->Gspos("FPE1", 0, "FBT1", 0., ycoor, 0., 0, "ONLY"); | |
126 | gMC->Gspos("FPE1", 1, "FBT1", 0., -ycoor, 0., 0, "ONLY"); | |
fe4da5cc | 127 | par[2] = zm1 / 2.; |
cfce8870 | 128 | gMC->Gsvolu("FPE2", "BOX ", idtmed[504], par, 3); |
129 | gMC->Gspos("FPE2", 0, "FBT2", 0., ycoor, 0., 0, "ONLY"); | |
130 | gMC->Gspos("FPE2", 1, "FBT2", 0., -ycoor, 0., 0, "ONLY"); | |
fe4da5cc | 131 | par[2] = zm2 / 2.; |
cfce8870 | 132 | gMC->Gsvolu("FPE3", "BOX ", idtmed[504], par, 3); |
133 | gMC->Gspos("FPE3", 0, "FBT3", 0., ycoor, 0., 0, "ONLY"); | |
134 | gMC->Gspos("FPE3", 1, "FBT3", 0., -ycoor, 0., 0, "ONLY"); | |
fe4da5cc | 135 | // Electronic insensitive volumes |
136 | par[1] = yp / 2.; | |
137 | par[2] = zm0 / 2.; | |
138 | ytop = ywidth / 2. - (ysz * 2 + yp) / 2.; | |
cfce8870 | 139 | gMC->Gsvolu("FST1", "BOX ", idtmed[505], par, 3); |
140 | gMC->Gsvolu("FLT1", "BOX ", idtmed[505], par, 3); | |
141 | gMC->Gspos("FST1", 0, "FBT1", 0., ytop, 0., 0, "ONLY"); | |
142 | gMC->Gspos("FLT1", 0, "FBT1", 0., -ytop, 0., 0, "ONLY"); | |
fe4da5cc | 143 | par[2] = zm1 / 2.; |
cfce8870 | 144 | gMC->Gsvolu("FST2", "BOX ", idtmed[505], par, 3); |
145 | gMC->Gsvolu("FLT2", "BOX ", idtmed[505], par, 3); | |
146 | gMC->Gspos("FST2", 0, "FBT2", 0., ytop, 0., 0, "ONLY"); | |
147 | gMC->Gspos("FLT2", 0, "FBT2", 0., -ytop, 0., 0, "ONLY"); | |
fe4da5cc | 148 | par[2] = zm2 / 2.; |
cfce8870 | 149 | gMC->Gsvolu("FST3", "BOX ", idtmed[505], par, 3); |
150 | gMC->Gsvolu("FLT3", "BOX ", idtmed[505], par, 3); | |
151 | gMC->Gspos("FST3", 0, "FBT3", 0., ytop, 0., 0, "ONLY"); | |
152 | gMC->Gspos("FLT3", 0, "FBT3", 0., -ytop, 0., 0, "ONLY"); | |
fe4da5cc | 153 | // PPC-plate number along X axis |
154 | nxp = Int_t (xm / xsz); | |
155 | // PPC-plate number along Z axis | |
156 | nzp0 = Int_t (zm0 / zsz); | |
157 | nzp1 = Int_t (zm1 / zsz); | |
158 | nzp2 = Int_t (zm2 / zsz); | |
159 | // Position of big PPC-plate | |
160 | par[0] = xm * .5 / nxp; | |
161 | par[2] = zm0 * .5 / nzp0; | |
cfce8870 | 162 | gMC->Gsvolu("FSK1", "BOX ", idtmed[505], par, 3); |
163 | gMC->Gsvolu("FLK1", "BOX ", idtmed[505], par, 3); | |
fe4da5cc | 164 | inum = 0; |
165 | for (ink = 1; ink <= nxp; ++ink) { | |
166 | xcor = xm * .5 * ((ink * 2 - 1) / (Float_t) nxp - 1.); | |
167 | for (inz = 1; inz <= nzp0; ++inz) { | |
168 | zcor = zm0 * .5 * ((inz * 2 - 1) / (Float_t) nzp0 - 1.); | |
169 | ++inum; | |
cfce8870 | 170 | gMC->Gspos("FSK1", inum, "FST1", xcor, 0., zcor, 0, "ONLY"); |
171 | gMC->Gspos("FLK1", inum, "FLT1", xcor, 0., zcor, 0, "ONLY"); | |
fe4da5cc | 172 | } |
173 | for (inz = 1; inz <= nzp1; ++inz) { | |
174 | zcor = zm1 * .5 * ((inz * 2 - 1) / (Float_t) nzp1 - 1.); | |
175 | ++inum; | |
cfce8870 | 176 | gMC->Gspos("FSK1", inum, "FST2", xcor, 0., zcor, 0, "ONLY"); |
177 | gMC->Gspos("FLK1", inum, "FLT2", xcor, 0., zcor, 0, "ONLY"); | |
fe4da5cc | 178 | } |
179 | for (inz = 1; inz <= nzp2; ++inz) { | |
180 | zcor = zm2 * .5 * ((inz * 2 - 1) / (Float_t) nzp2 - 1.); | |
181 | ++inum; | |
cfce8870 | 182 | gMC->Gspos("FSK1", inum, "FST3", xcor, 0., zcor, 0, "ONLY"); |
183 | gMC->Gspos("FLK1", inum, "FLT3", xcor, 0., zcor, 0, "ONLY"); | |
fe4da5cc | 184 | } |
185 | } | |
186 | par[0] = xsz / 2.; | |
187 | par[1] = yp / 2.; | |
188 | par[2] = zsz / 2.; | |
cfce8870 | 189 | gMC->Gsvolu("FSL1", "BOX ", idtmed[505], par, 3); |
190 | gMC->Gsvolu("FLL1", "BOX ", idtmed[505], par, 3); | |
fe4da5cc | 191 | shiftx = (xp / 2. + xad / 2.) / 2.; |
192 | shiftz = (zm0 / nzp0 - zsz) / 2.; | |
cfce8870 | 193 | gMC->Gspos("FSL1", 0, "FSK1", -shiftx, 0., -shiftz, 0, "ONLY"); |
194 | gMC->Gspos("FLL1", 0, "FLK1", shiftx, 0., shiftz, 0, "ONLY"); | |
fe4da5cc | 195 | // PPC position on PPC-plate |
196 | npx = 4; | |
197 | npz = 8; | |
198 | par[0] = xp / 2.; | |
199 | par[1] = yp / 2.; | |
200 | par[2] = zp / 2.; | |
201 | stepx = (xad + xzd + xp * 2) / 2.; | |
202 | stepz = (zp + zad) / 2.; | |
203 | shiftz = npz * (zad + zp) / 2.; | |
204 | shiftx = npx * (xp * 2 + xad + xzd) / 2.; | |
205 | shiftx1 = (xp * 2 + xzd + xad) / 2. - xp / 2.; | |
206 | shiftx2 = (xp * 2 + xzd + xad) / 2. - xp / 2. - xzd; | |
cfce8870 | 207 | gMC->Gsvolu("FPG1", "BOX ", idtmed[507], par, 3); |
fe4da5cc | 208 | for (ink = 1; ink <= npx; ++ink) { |
209 | xcor1 = -shiftx + stepx * (ink * 2 - 1) - shiftx1; | |
210 | xcor2 = -shiftx + stepx * (ink * 2 - 1) + shiftx2; | |
211 | for (inz = 1; inz <= npz; ++inz) { | |
212 | zcor = -shiftz + stepz * (inz * 2 - 1); | |
213 | ++inum; | |
214 | inum1 = npx * npz + inum; | |
cfce8870 | 215 | gMC->Gspos("FPG1", inum, "FSL1", xcor1, 0., zcor, 0, "ONLY"); |
216 | gMC->Gspos("FPG1", inum1, "FSL1", xcor2, 0., zcor, 0, "ONLY"); | |
217 | gMC->Gspos("FPG1", inum, "FLL1", xcor1, 0., zcor, 0, "ONLY"); | |
218 | gMC->Gspos("FPG1", inum1, "FLL1", xcor2, 0., zcor, 0, "ONLY"); | |
fe4da5cc | 219 | } |
220 | } | |
221 | par[0] = xp / 2. - dx; | |
222 | par[1] = yp / 2. - dy; | |
223 | par[2] = zp / 2. - dz; | |
cfce8870 | 224 | gMC->Gsvolu("FPG2", "BOX ", idtmed[509], par, 3); |
225 | gMC->Gspos("FPG2", 0, "FPG1", 0., 0., 0., 0, "ONLY"); | |
fe4da5cc | 226 | } |
227 | ||
228 | //_____________________________________________________________________________ | |
8f72dc0c | 229 | void AliTOFv3::DrawModule() |
fe4da5cc | 230 | { |
231 | // | |
232 | // Draw a shaded view of the Time Of Flight version 3 | |
233 | // | |
234 | ||
fe4da5cc | 235 | // Set everything unseen |
cfce8870 | 236 | gMC->Gsatt("*", "seen", -1); |
fe4da5cc | 237 | // |
238 | // Set ALIC mother transparent | |
cfce8870 | 239 | gMC->Gsatt("ALIC","SEEN",0); |
fe4da5cc | 240 | // |
241 | // Set the volumes visible | |
cfce8870 | 242 | gMC->Gsatt("ALIC","SEEN",0); |
243 | gMC->Gsatt("FBAR","SEEN",0); | |
244 | gMC->Gsatt("FTO1","SEEN",0); | |
245 | gMC->Gsatt("FTO2","SEEN",0); | |
246 | gMC->Gsatt("FTO3","SEEN",0); | |
247 | gMC->Gsatt("FBT1","SEEN",0); | |
248 | gMC->Gsatt("FBT2","SEEN",0); | |
249 | gMC->Gsatt("FBT3","SEEN",0); | |
250 | gMC->Gsatt("FST1","SEEN",0); | |
251 | gMC->Gsatt("FLT1","SEEN",0); | |
252 | gMC->Gsatt("FST2","SEEN",0); | |
253 | gMC->Gsatt("FLT2","SEEN",0); | |
254 | gMC->Gsatt("FST3","SEEN",0); | |
255 | gMC->Gsatt("FLT3","SEEN",0); | |
256 | gMC->Gsatt("FSK1","SEEN",0); | |
257 | gMC->Gsatt("FLK1","SEEN",0); | |
258 | gMC->Gsatt("FSL1","SEEN",1); | |
259 | gMC->Gsatt("FLL1","SEEN",1); | |
fe4da5cc | 260 | // |
cfce8870 | 261 | gMC->Gdopt("hide", "on"); |
262 | gMC->Gdopt("shad", "on"); | |
263 | gMC->Gsatt("*", "fill", 7); | |
264 | gMC->SetClipBox("."); | |
265 | gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000); | |
266 | gMC->DefaultRange(); | |
267 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02); | |
268 | gMC->Gdhead(1111, "Time Of Flight"); | |
269 | gMC->Gdman(18, 4, "MAN"); | |
270 | gMC->Gdopt("hide","off"); | |
fe4da5cc | 271 | } |
272 | ||
273 | //_____________________________________________________________________________ | |
274 | void AliTOFv3::CreateMaterials() | |
275 | { | |
276 | // | |
277 | // Define materials for the Time Of Flight | |
278 | // | |
279 | AliTOF::CreateMaterials(); | |
280 | } | |
281 | ||
282 | //_____________________________________________________________________________ | |
283 | void AliTOFv3::Init() | |
284 | { | |
285 | // | |
286 | // Initialise the detector after the geometry has been defined | |
287 | // | |
288 | ||
fe4da5cc | 289 | AliTOF::Init(); |
cfce8870 | 290 | fIdFTO2=gMC->VolId("FTO2"); |
291 | fIdFTO3=gMC->VolId("FTO3"); | |
292 | fIdFLT1=gMC->VolId("FLT1"); | |
293 | fIdFLT2=gMC->VolId("FLT2"); | |
294 | fIdFLT3=gMC->VolId("FLT3"); | |
fe4da5cc | 295 | } |
296 | ||
297 | //_____________________________________________________________________________ | |
298 | void AliTOFv3::StepManager() | |
299 | { | |
300 | // | |
301 | // Procedure called at each step in the Time Of Flight | |
302 | // | |
303 | Float_t hits[8]; | |
304 | Int_t vol[3]; | |
305 | Int_t copy, id; | |
ad51aeb0 | 306 | Int_t *idtmed = fIdtmed->GetArray()-499; |
cfce8870 | 307 | if(gMC->GetMedium()==idtmed[510-1] && |
308 | gMC->TrackEntering() && gMC->TrackCharge() | |
309 | && gMC->CurrentVol(0,copy)==fIdSens) { | |
fe4da5cc | 310 | TClonesArray &lhits = *fHits; |
311 | // | |
312 | // Record only charged tracks at entrance | |
cfce8870 | 313 | gMC->CurrentVolOff(1,0,copy); |
fe4da5cc | 314 | vol[2]=copy; |
cfce8870 | 315 | gMC->CurrentVolOff(3,0,copy); |
fe4da5cc | 316 | vol[1]=copy; |
cfce8870 | 317 | id=gMC->CurrentVolOff(6,0,copy); |
fe4da5cc | 318 | vol[0]=copy; |
319 | if(id==fIdFTO3) { | |
320 | vol[0]+=22; | |
cfce8870 | 321 | id=gMC->CurrentVolOff(4,0,copy); |
fe4da5cc | 322 | if(id==fIdFLT3) vol[1]+=6; |
323 | } else if (id==fIdFTO2) { | |
324 | vol[0]+=20; | |
cfce8870 | 325 | id=gMC->CurrentVolOff(4,0,copy); |
fe4da5cc | 326 | if(id==fIdFLT2) vol[1]+=8; |
327 | } else { | |
cfce8870 | 328 | id=gMC->CurrentVolOff(4,0,copy); |
fe4da5cc | 329 | if(id==fIdFLT1) vol[1]+=14; |
330 | } | |
cfce8870 | 331 | gMC->TrackPosition(hits); |
332 | gMC->TrackMomentum(&hits[3]); | |
333 | hits[7]=gMC->TrackTime(); | |
fe4da5cc | 334 | new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),vol,hits); |
335 | } | |
336 | } |