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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 | //_____________________________________________________________________________ | |
24 | AliTOFv3::AliTOFv3() : AliTOF() | |
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 | ||
67 | AliMC* pMC = AliMC::GetMC(); | |
68 | ||
69 | Int_t inum; | |
70 | Float_t xcor, zcor, ytop; | |
71 | Int_t inum1; | |
72 | Float_t xcor1, xcor2, ycoor; | |
73 | Float_t stepx, stepz, dx, dy, dz, xp, yp, zp, shiftx, shiftz, ywidth; | |
74 | Float_t shiftx1, shiftx2, xad, zad; | |
75 | Int_t ink; | |
76 | Float_t par[10]; | |
77 | Int_t inz; | |
78 | Float_t xzd; | |
79 | Int_t nxp, npx, npz; | |
80 | Float_t xsz, ysz, zsz; | |
81 | Int_t nzp0, nzp1, nzp2; | |
82 | ||
83 | Int_t *idtmed = gAlice->Idtmed(); | |
84 | ||
85 | // X size of PPC plate | |
86 | xsz = 54.; | |
87 | // Y size of PPC plate | |
88 | ysz = .2; | |
89 | // Z size of PPC plate | |
90 | zsz = 48.; | |
91 | // First return additional shift along X | |
92 | xad = 1.5; | |
93 | // Second return additional shift along X | |
94 | xzd = .5; | |
95 | // Return additional shift along Z | |
96 | zad = .25; | |
97 | // Width of DME box | |
98 | ywidth = 4.; | |
99 | // X size of PPC chamber | |
100 | xp = 5.7; | |
101 | // Y size of PPC chamber | |
102 | yp = .32; | |
103 | // Z size of PPC chamber | |
104 | zp = 5.7; | |
105 | // Frame width along X,Y and Z axis of PPC chambers | |
106 | dx = .2; | |
107 | dy = .1; | |
108 | dz = .2; | |
109 | // No sensitive volumes with DME | |
110 | par[0] = xm / 2.; | |
111 | par[1] = ywidth / 2.; | |
112 | par[2] = zm0 / 2.; | |
113 | ycoor = ym / 3. - ywidth / 2.; | |
114 | pMC->Gsvolu("FBT1", "BOX ", idtmed[505], par, 3); | |
115 | pMC->Gspos("FBT1", 0, "FTO1", 0., 0., 0., 0, "ONLY"); | |
116 | par[2] = zm1 / 2.; | |
117 | pMC->Gsvolu("FBT2", "BOX ", idtmed[505], par, 3); | |
118 | pMC->Gspos("FBT2", 1, "FTO2", 0., 0., 0., 0, "ONLY"); | |
119 | par[2] = zm2 / 2.; | |
120 | pMC->Gsvolu("FBT3", "BOX ", idtmed[505], par, 3); | |
121 | pMC->Gspos("FBT3", 2, "FTO3", 0., 0., 0., 0, "ONLY"); | |
122 | // Electronic plate | |
123 | par[1] = ysz / 2.; | |
124 | par[2] = zm0 / 2.; | |
125 | ycoor = ywidth / 2. - ysz / 2.; | |
126 | pMC->Gsvolu("FPE1", "BOX ", idtmed[504], par, 3); | |
127 | pMC->Gspos("FPE1", 0, "FBT1", 0., ycoor, 0., 0, "ONLY"); | |
128 | pMC->Gspos("FPE1", 1, "FBT1", 0., -ycoor, 0., 0, "ONLY"); | |
129 | par[2] = zm1 / 2.; | |
130 | pMC->Gsvolu("FPE2", "BOX ", idtmed[504], par, 3); | |
131 | pMC->Gspos("FPE2", 0, "FBT2", 0., ycoor, 0., 0, "ONLY"); | |
132 | pMC->Gspos("FPE2", 1, "FBT2", 0., -ycoor, 0., 0, "ONLY"); | |
133 | par[2] = zm2 / 2.; | |
134 | pMC->Gsvolu("FPE3", "BOX ", idtmed[504], par, 3); | |
135 | pMC->Gspos("FPE3", 0, "FBT3", 0., ycoor, 0., 0, "ONLY"); | |
136 | pMC->Gspos("FPE3", 1, "FBT3", 0., -ycoor, 0., 0, "ONLY"); | |
137 | // Electronic insensitive volumes | |
138 | par[1] = yp / 2.; | |
139 | par[2] = zm0 / 2.; | |
140 | ytop = ywidth / 2. - (ysz * 2 + yp) / 2.; | |
141 | pMC->Gsvolu("FST1", "BOX ", idtmed[505], par, 3); | |
142 | pMC->Gsvolu("FLT1", "BOX ", idtmed[505], par, 3); | |
143 | pMC->Gspos("FST1", 0, "FBT1", 0., ytop, 0., 0, "ONLY"); | |
144 | pMC->Gspos("FLT1", 0, "FBT1", 0., -ytop, 0., 0, "ONLY"); | |
145 | par[2] = zm1 / 2.; | |
146 | pMC->Gsvolu("FST2", "BOX ", idtmed[505], par, 3); | |
147 | pMC->Gsvolu("FLT2", "BOX ", idtmed[505], par, 3); | |
148 | pMC->Gspos("FST2", 0, "FBT2", 0., ytop, 0., 0, "ONLY"); | |
149 | pMC->Gspos("FLT2", 0, "FBT2", 0., -ytop, 0., 0, "ONLY"); | |
150 | par[2] = zm2 / 2.; | |
151 | pMC->Gsvolu("FST3", "BOX ", idtmed[505], par, 3); | |
152 | pMC->Gsvolu("FLT3", "BOX ", idtmed[505], par, 3); | |
153 | pMC->Gspos("FST3", 0, "FBT3", 0., ytop, 0., 0, "ONLY"); | |
154 | pMC->Gspos("FLT3", 0, "FBT3", 0., -ytop, 0., 0, "ONLY"); | |
155 | // PPC-plate number along X axis | |
156 | nxp = Int_t (xm / xsz); | |
157 | // PPC-plate number along Z axis | |
158 | nzp0 = Int_t (zm0 / zsz); | |
159 | nzp1 = Int_t (zm1 / zsz); | |
160 | nzp2 = Int_t (zm2 / zsz); | |
161 | // Position of big PPC-plate | |
162 | par[0] = xm * .5 / nxp; | |
163 | par[2] = zm0 * .5 / nzp0; | |
164 | pMC->Gsvolu("FSK1", "BOX ", idtmed[505], par, 3); | |
165 | pMC->Gsvolu("FLK1", "BOX ", idtmed[505], par, 3); | |
166 | inum = 0; | |
167 | for (ink = 1; ink <= nxp; ++ink) { | |
168 | xcor = xm * .5 * ((ink * 2 - 1) / (Float_t) nxp - 1.); | |
169 | for (inz = 1; inz <= nzp0; ++inz) { | |
170 | zcor = zm0 * .5 * ((inz * 2 - 1) / (Float_t) nzp0 - 1.); | |
171 | ++inum; | |
172 | pMC->Gspos("FSK1", inum, "FST1", xcor, 0., zcor, 0, "ONLY"); | |
173 | pMC->Gspos("FLK1", inum, "FLT1", xcor, 0., zcor, 0, "ONLY"); | |
174 | } | |
175 | for (inz = 1; inz <= nzp1; ++inz) { | |
176 | zcor = zm1 * .5 * ((inz * 2 - 1) / (Float_t) nzp1 - 1.); | |
177 | ++inum; | |
178 | pMC->Gspos("FSK1", inum, "FST2", xcor, 0., zcor, 0, "ONLY"); | |
179 | pMC->Gspos("FLK1", inum, "FLT2", xcor, 0., zcor, 0, "ONLY"); | |
180 | } | |
181 | for (inz = 1; inz <= nzp2; ++inz) { | |
182 | zcor = zm2 * .5 * ((inz * 2 - 1) / (Float_t) nzp2 - 1.); | |
183 | ++inum; | |
184 | pMC->Gspos("FSK1", inum, "FST3", xcor, 0., zcor, 0, "ONLY"); | |
185 | pMC->Gspos("FLK1", inum, "FLT3", xcor, 0., zcor, 0, "ONLY"); | |
186 | } | |
187 | } | |
188 | par[0] = xsz / 2.; | |
189 | par[1] = yp / 2.; | |
190 | par[2] = zsz / 2.; | |
191 | pMC->Gsvolu("FSL1", "BOX ", idtmed[505], par, 3); | |
192 | pMC->Gsvolu("FLL1", "BOX ", idtmed[505], par, 3); | |
193 | shiftx = (xp / 2. + xad / 2.) / 2.; | |
194 | shiftz = (zm0 / nzp0 - zsz) / 2.; | |
195 | pMC->Gspos("FSL1", 0, "FSK1", -shiftx, 0., -shiftz, 0, "ONLY"); | |
196 | pMC->Gspos("FLL1", 0, "FLK1", shiftx, 0., shiftz, 0, "ONLY"); | |
197 | // PPC position on PPC-plate | |
198 | npx = 4; | |
199 | npz = 8; | |
200 | par[0] = xp / 2.; | |
201 | par[1] = yp / 2.; | |
202 | par[2] = zp / 2.; | |
203 | stepx = (xad + xzd + xp * 2) / 2.; | |
204 | stepz = (zp + zad) / 2.; | |
205 | shiftz = npz * (zad + zp) / 2.; | |
206 | shiftx = npx * (xp * 2 + xad + xzd) / 2.; | |
207 | shiftx1 = (xp * 2 + xzd + xad) / 2. - xp / 2.; | |
208 | shiftx2 = (xp * 2 + xzd + xad) / 2. - xp / 2. - xzd; | |
209 | pMC->Gsvolu("FPG1", "BOX ", idtmed[507], par, 3); | |
210 | for (ink = 1; ink <= npx; ++ink) { | |
211 | xcor1 = -shiftx + stepx * (ink * 2 - 1) - shiftx1; | |
212 | xcor2 = -shiftx + stepx * (ink * 2 - 1) + shiftx2; | |
213 | for (inz = 1; inz <= npz; ++inz) { | |
214 | zcor = -shiftz + stepz * (inz * 2 - 1); | |
215 | ++inum; | |
216 | inum1 = npx * npz + inum; | |
217 | pMC->Gspos("FPG1", inum, "FSL1", xcor1, 0., zcor, 0, "ONLY"); | |
218 | pMC->Gspos("FPG1", inum1, "FSL1", xcor2, 0., zcor, 0, "ONLY"); | |
219 | pMC->Gspos("FPG1", inum, "FLL1", xcor1, 0., zcor, 0, "ONLY"); | |
220 | pMC->Gspos("FPG1", inum1, "FLL1", xcor2, 0., zcor, 0, "ONLY"); | |
221 | } | |
222 | } | |
223 | par[0] = xp / 2. - dx; | |
224 | par[1] = yp / 2. - dy; | |
225 | par[2] = zp / 2. - dz; | |
226 | pMC->Gsvolu("FPG2", "BOX ", idtmed[509], par, 3); | |
227 | pMC->Gspos("FPG2", 0, "FPG1", 0., 0., 0., 0, "ONLY"); | |
228 | } | |
229 | ||
230 | //_____________________________________________________________________________ | |
8f72dc0c | 231 | void AliTOFv3::DrawModule() |
fe4da5cc | 232 | { |
233 | // | |
234 | // Draw a shaded view of the Time Of Flight version 3 | |
235 | // | |
236 | ||
237 | AliMC* pMC = AliMC::GetMC(); | |
238 | ||
239 | // Set everything unseen | |
240 | pMC->Gsatt("*", "seen", -1); | |
241 | // | |
242 | // Set ALIC mother transparent | |
243 | pMC->Gsatt("ALIC","SEEN",0); | |
244 | // | |
245 | // Set the volumes visible | |
246 | pMC->Gsatt("ALIC","SEEN",0); | |
247 | pMC->Gsatt("FBAR","SEEN",0); | |
248 | pMC->Gsatt("FTO1","SEEN",0); | |
249 | pMC->Gsatt("FTO2","SEEN",0); | |
250 | pMC->Gsatt("FTO3","SEEN",0); | |
251 | pMC->Gsatt("FBT1","SEEN",0); | |
252 | pMC->Gsatt("FBT2","SEEN",0); | |
253 | pMC->Gsatt("FBT3","SEEN",0); | |
254 | pMC->Gsatt("FST1","SEEN",0); | |
255 | pMC->Gsatt("FLT1","SEEN",0); | |
256 | pMC->Gsatt("FST2","SEEN",0); | |
257 | pMC->Gsatt("FLT2","SEEN",0); | |
258 | pMC->Gsatt("FST3","SEEN",0); | |
259 | pMC->Gsatt("FLT3","SEEN",0); | |
260 | pMC->Gsatt("FSK1","SEEN",0); | |
261 | pMC->Gsatt("FLK1","SEEN",0); | |
262 | pMC->Gsatt("FSL1","SEEN",1); | |
263 | pMC->Gsatt("FLL1","SEEN",1); | |
264 | // | |
265 | pMC->Gdopt("hide", "on"); | |
266 | pMC->Gdopt("shad", "on"); | |
267 | pMC->Gsatt("*", "fill", 7); | |
268 | pMC->SetClipBox("."); | |
269 | pMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000); | |
270 | pMC->DefaultRange(); | |
271 | pMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02); | |
272 | pMC->Gdhead(1111, "Time Of Flight"); | |
273 | pMC->Gdman(18, 4, "MAN"); | |
274 | pMC->Gdopt("hide","off"); | |
275 | } | |
276 | ||
277 | //_____________________________________________________________________________ | |
278 | void AliTOFv3::CreateMaterials() | |
279 | { | |
280 | // | |
281 | // Define materials for the Time Of Flight | |
282 | // | |
283 | AliTOF::CreateMaterials(); | |
284 | } | |
285 | ||
286 | //_____________________________________________________________________________ | |
287 | void AliTOFv3::Init() | |
288 | { | |
289 | // | |
290 | // Initialise the detector after the geometry has been defined | |
291 | // | |
292 | ||
293 | AliMC* pMC = AliMC::GetMC(); | |
294 | ||
295 | AliTOF::Init(); | |
296 | fIdFTO2=pMC->VolId("FTO2"); | |
297 | fIdFTO3=pMC->VolId("FTO3"); | |
298 | fIdFLT1=pMC->VolId("FLT1"); | |
299 | fIdFLT2=pMC->VolId("FLT2"); | |
300 | fIdFLT3=pMC->VolId("FLT3"); | |
301 | } | |
302 | ||
303 | //_____________________________________________________________________________ | |
304 | void AliTOFv3::StepManager() | |
305 | { | |
306 | // | |
307 | // Procedure called at each step in the Time Of Flight | |
308 | // | |
309 | Float_t hits[8]; | |
310 | Int_t vol[3]; | |
311 | Int_t copy, id; | |
312 | AliMC *pMC= AliMC::GetMC(); | |
313 | Int_t *idtmed = gAlice->Idtmed(); | |
314 | if(pMC->GetMedium()==idtmed[510-1] && | |
315 | pMC->TrackEntering() && pMC->TrackCharge() | |
316 | && pMC->CurrentVol(0,copy)==fIdSens) { | |
317 | TClonesArray &lhits = *fHits; | |
318 | // | |
319 | // Record only charged tracks at entrance | |
320 | pMC->CurrentVolOff(1,0,copy); | |
321 | vol[2]=copy; | |
322 | pMC->CurrentVolOff(3,0,copy); | |
323 | vol[1]=copy; | |
324 | id=pMC->CurrentVolOff(6,0,copy); | |
325 | vol[0]=copy; | |
326 | if(id==fIdFTO3) { | |
327 | vol[0]+=22; | |
328 | id=pMC->CurrentVolOff(4,0,copy); | |
329 | if(id==fIdFLT3) vol[1]+=6; | |
330 | } else if (id==fIdFTO2) { | |
331 | vol[0]+=20; | |
332 | id=pMC->CurrentVolOff(4,0,copy); | |
333 | if(id==fIdFLT2) vol[1]+=8; | |
334 | } else { | |
335 | id=pMC->CurrentVolOff(4,0,copy); | |
336 | if(id==fIdFLT1) vol[1]+=14; | |
337 | } | |
338 | pMC->TrackPosition(hits); | |
339 | pMC->TrackMomentum(&hits[3]); | |
340 | hits[7]=pMC->TrackTime(); | |
341 | new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),vol,hits); | |
342 | } | |
343 | } |