Variable number of modules introduced
[u/mrichter/AliRoot.git] / TOF / AliTOFv3.cxx
CommitLineData
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
21ClassImp(AliTOFv3)
22
23//_____________________________________________________________________________
ad51aeb0 24AliTOFv3::AliTOFv3()
fe4da5cc 25{
26 //
27 // Default constructor
28 //
29}
30
31//_____________________________________________________________________________
32AliTOFv3::AliTOFv3(const char *name, const char *title)
33 : AliTOF(name,title)
34{
35 //
36 // Standard constructor
37 //
38}
39
40//_____________________________________________________________________________
41void 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//_____________________________________________________________________________
60void 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
ad51aeb0 83 Int_t *idtmed = fIdtmed->GetArray()-499;
fe4da5cc 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 231void 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//_____________________________________________________________________________
278void AliTOFv3::CreateMaterials()
279{
280 //
281 // Define materials for the Time Of Flight
282 //
283 AliTOF::CreateMaterials();
284}
285
286//_____________________________________________________________________________
287void 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//_____________________________________________________________________________
304void 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();
ad51aeb0 313 Int_t *idtmed = fIdtmed->GetArray()-499;
fe4da5cc 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}