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New versions of the PMD from S.Chattopadhyay.
[u/mrichter/AliRoot.git] / PMD / AliPMDv0.cxx
CommitLineData
6edc06da 1///////////////////////////////////////////////////////////////////////////////
2// //
3// Photon Multiplicity Detector Version 1 //
4// //
5//Begin_Html
6/*
7<img src="gif/AliPMDv0Class.gif">
8*/
9//End_Html
10// //
11///////////////////////////////////////////////////////////////////////////////
12#include "AliPMDv0.h"
13#include "AliRun.h"
14#include "AliMC.h"
15#include "AliConst.h"
16
17static Float_t smod2[3], smod3[3], smod4[3];
18static Int_t maxbox, kdet;
19static Float_t thgas,thmin,thmax,zdist,zdist1,thlow,
20 thhigh,edge;
21static Int_t numqu;
22static Float_t xbox[40][40], ybox[40][40];
23static Int_t pindex[40][40];
24
25ClassImp(AliPMDv0)
26//_____________________________________________________________________________
27AliPMDv0::AliPMDv0() : AliPMD()
28{
29 //
30 // Default constructor
31 //
32 fMedSens=0;
33}
34
35//_____________________________________________________________________________
36AliPMDv0::AliPMDv0(const char *name, const char *title)
37 : AliPMD(name,title)
38{
39 //
40 // Standard constructor
41 //
42 fMedSens=0;
43}
44
45//_____________________________________________________________________________
46void AliPMDv0::Coordnew()
47{
48 //
49 // Find coordinates for pad geometry
50 //
51 // Author Y.P. Viyogi, VECC Calcutta
52 //
53
54 Float_t th1, th2, dbox, dist;
55 //Float_t xoff[40][40], yoff[40][40];
56 Int_t i, j, nbox;
57 Float_t rlow;
58 Int_t xoff1[3], yoff1[3], l;
59 Float_t rhigh, dmax, hole;
60 Int_t kk, nhol;
61 Float_t rr, xx, yy;
62
63 th1 = thmin * kPI / 180;
64 th2 = thmax * kPI / 180;
65 /* ESTIMATES FOR OCTAGON */
66 dist = zdist * TMath::Tan(th2);
67 /* *** 04.06.97 Fixed Module size of 6 cm, 0 mm boundary. */
68 /* *** variable pad sizes of 0.3 mm, 0.5 mm, 1.0 mm and 1.2 mm */
69 dbox = edge * 2 + 24;
70 maxbox = Int_t(dist / dbox + .5);
71 dmax= maxbox * dbox;
72 /* NOW GET THE HOLE SIZE ETC. */
73 hole = zdist * TMath::Tan(th1);
74 nhol = Int_t(hole / dbox + .5);
75 hole = nhol * dbox;
76
77 rlow = zdist * TMath::Tan(thlow * kPI / 180);
78 rhigh = zdist * TMath::Tan(thhigh * kPI / 180);
79 for (i = 1; i <= 40; ++i) {
80 for (j = 1; j <= 40; ++j) {
81 //index[j][i] = 0;
82 //xoff[j][i] = 0;
83 //yoff[j][i] = 0;
84 xbox[j][i] = 0;
85 /* L5: */
86 ybox[j][i] = 0;
87 }
88 }
89
90 // NOW START PLACING THE BOXES IN VARIOUS LAYERS, START FROM THE CENTRE
91
92 yy = dbox / 2;
93 for(i=0;i<3;i++) yoff1[i]=0;
94 nbox = 0;
95 // PRINT*,'MAXBOX=',MAXBOX
96 for (i = 1; i <= maxbox; ++i) {
97 xx = dbox / 2;
98 for(j=0;j<3;j++) xoff1[j]=0;
99 for (j = 1; j <= maxbox; ++j) {
100 rr = sqrt(xx*xx+yy*yy);
101 if (rr >= hole && rr <= dmax) {
102 // BOX CAN BE FITTED
103 //index[j][i] = 2;
104 //if (rr < rlow) index[j][i] = 1;
105 //else if (rr > rhigh) index[j][i] = 3;
106 xbox[j][i] = xx;
107 ybox[j][i] = yy;
108 ++nbox;
109 //xoff[j][i] = xoff1[index[j][i] - 1];
110 //yoff[j][i] = yoff1[index[j][i] - 1];
111 }
112 if (kdet == 1) kk = 1; else kk = 0;
113 for (l = 1; l <= 3; ++l)
114 xoff1[l - 1] += fNumPads[l + kk - 1];
115 xx += dbox;
116 }
117
118 if (kdet == 1) kk = 1; else kk=0;
119
120 for (l = 1; l <= 3; ++l)
121 yoff1[l - 1] += fNumPads[l + kk - 1];
122 yy += dbox;
123 }
124}
125
126//_____________________________________________________________________________
127void AliPMDv0::Coordinates()
128{
129 //
130 // SUBROUTINE TO COMPUTE THE X- AND Y- COORDINATES OF THE BOXES
131 // WHICH CAN FIT INTO THE CIRCULAR REGION BETWEEN THE GIVEN ANGLES.
132 // INPUT : ZDIST, THMIN, THMAX, PADSIZE (FOR INSIDE and OUTSIDE PMD).
133 // ALL DIMENSIONS IN CM.
134 // -- Author : Y.P. VIYOGI, 10/05/1996.
135
136 Float_t hole, dmax, dbox;
137 Int_t nhol;
138 Float_t dist;
139 Int_t nbox;
140 Float_t rlow;
141 Int_t i, j;
142 Float_t rhigh, rr, xx, yy, th1, th2;
143
144 th1 = thmin*kPI/180;
145 th2 = thmax*kPI/180;
146 // ESTIMATES FOR OCTAGON
147 dist = zdist * TMath::Tan(th2);
148 // *** 04.06.97 Fixed Module size of 24 cm, 3 mm boundary.
149 // *** variable pad sizes of 8 mm, 10 mm, 12mm and 15 mm
150 dbox = edge*2 + 24.;
151 maxbox = Int_t(dist / dbox + .5);
152 dmax = maxbox*dbox;
153 // NOW GET THE HOLE SIZE ETC.
154 hole = zdist * TMath::Tan(th1);
155 nhol = Int_t(hole / dbox + .5);
156 hole = nhol * dbox;
157
158 rlow = zdist * TMath::Tan(thlow*kPI/180);
159 rhigh = zdist * TMath::Tan(thhigh*kPI/180);
160 for (i = 0; i < 40; ++i) {
161 for (j = 0; j < 40; ++j) {
162 pindex[j][i] = 0;
163 xbox[j][i] = 0;
164 ybox[j][i] = 0;
165 }
166 }
167
168 // NOW START PLACING THE BOXES IN VARIOUS LAYERS, START FROM THE CENTRE
169 yy = dbox / 2;
170 nbox = 0;
171 for (i = 0; i < maxbox; ++i) {
172 xx = dbox / 2;
173 for (j = 0; j < maxbox; ++j) {
174 rr = TMath::Sqrt(xx*xx + yy*yy);
175 if (rr >= hole && rr <= dmax) { // BOX CAN BE FITTED
176 pindex[j][i] = 2;
177 if (rr < rlow) pindex[j][i] = 1;
178 if (rr > rhigh) pindex[j][i] = 3;
179 xbox[j][i] = xx;
180 ybox[j][i] = yy;
181 ++nbox;
182 }
183 xx += dbox;
184 }
185 yy += dbox;
186 }
187}
188
189//_____________________________________________________________________________
190void AliPMDv0::CreateGeometry()
191{
192 //
193 // Create geometry for Photon Multiplicity Detector Version 1
194 //
195 //Begin_Html
196 /*
197 <img src="gif/AliPMDv0.gif">
198 */
199 //End_Html
200 //Begin_Html
201 /*
202 <img src="gif/AliPMDv0Tree.gif">
203 */
204 //End_Html
205 CreatePads();
206 CreateInside();
207}
208
209//_____________________________________________________________________________
210void AliPMDv0::CreateInside()
211{
212 //
213 // Create inside of Pads
214 //
215 // -- Author : Y.P. VIYOGI, 07/05/1996.
216 // -- Modified: P.V.K.S.Baba(JU), 15-12-97.
217
218 Float_t sipmd[3] = { 300.,300.,5. };
219
220 Int_t i2;
221
222 Float_t xiqa[4], yiqa[4];
223 Int_t inum2, inum3, inum4, i, j, k;
224 Float_t siqad[4];
225 Float_t zd, xd, yd, xp, yp, zp;
226 Int_t idrotm[100];
227
228 Int_t *idtmed = gAlice->Idtmed();
229
230 // VOLUMES Names : begining with D for all PMD volumes,
231 // The names of SIZE variables begin with S and have more meaningful
232 // characters as shown below.
233
234 // VOLUME SIZE MEDIUM : REMARKS
235 // ------ ----- ------ : ---------------------------
236
237 // DPMD SIPMD AIR : INSIDE PMD and its SIZE
238
239
240
241 // *** Define the DPMD Volume and fill with air ***
242
243 AliMC* pMC = AliMC::GetMC();
244
245 pMC->Gsvolu("DPMD", "BOX ", idtmed[698], sipmd, 3);
246
247 // *** Define DIQU Volume and fill with air
248 siqad[0] = sipmd[0] / 2. - 1.;
249 siqad[1] = sipmd[1] / 2. - 1.;
250 siqad[2] = sipmd[2];
251 pMC->Gsvolu("DIQU","BOX ", idtmed[698], siqad, 3);
252 pMC->Gsatt("DIQU", "SEEN", 1);
253
254
255 // --- Place the modules in INSIDE PMD (DPMD)
256 // --- FIRST CALCULATE THE COORDINATES OF THE MODULES WHICH CAN BE
257 // --- ACCOMODATED.
258
259 kdet = 1;
260 Coordinates();
261
262 //inum = 0;
263 zd = 0.;
264 AliMatrix(idrotm[1], 90., 0., 90., 90., 0., 0.);
265 AliMatrix(idrotm[2], 90., 180., 90., 90., 0., 0.);
266 AliMatrix(idrotm[3], 90., 180., 90., 270., 0., 0.);
267 AliMatrix(idrotm[4], 90., 0., 90., 270., 0., 0.);
268 // **** Filling the DIQU Vol. (One Quadrant)
269 inum2 = 0;
270 inum3 = 0;
271 inum4 = 0;
272 for (i = 0; i < maxbox; ++i) {
273 i2 = maxbox;
274 for (j = 0; j < i2; ++j) {
275 if (xbox[j][i] <= 0 && ybox[j][i] <= 0) continue;
276 xd = xbox[j][i] - siqad[0];
277 yd = ybox[j][i] - siqad[1];
278 if (pindex[j][i] == 1) {
279 ++inum2;
280 pMC->Gsposp("DM11", inum2, "DIQU", xd, yd, zd, 0, "ONLY", smod2, 3);
281 }
282 if (pindex[j][i] == 2) {
283 ++inum3;
284 pMC->Gsposp("DM12", inum3, "DIQU", xd, yd, zd, 0, "ONLY", smod3, 3);
285 }
286 if (pindex[j][i] == 3) {
287 ++inum4;
288 pMC->Gsposp("DM13", inum4, "DIQU", xd, yd, zd, 0, "ONLY", smod4, 3);
289 }
290 }
291 }
292 xiqa[0] = siqad[0];
293 xiqa[1] = -siqad[0];
294 xiqa[2] = xiqa[1];
295 xiqa[3] = xiqa[0];
296 yiqa[0] = siqad[0];
297 yiqa[1] = yiqa[0];
298 yiqa[2] = -siqad[0];
299 yiqa[3] = yiqa[2];
300 i2 = numqu;
301 for (k = 1; k <= i2; ++k) {
302 pMC->Gsposp("DIQU", k, "DPMD", xiqa[k-1], yiqa[k-1], zd, idrotm[k], "ONLY", siqad, 3);
303 }
304
305 // --- Place the DPMD in ALICE with front edge 6.0m from vertex ---
306 xp = 0.;
307 yp = 0.;
308 zp = zdist1;
309 pMC->Gspos("DPMD", 1, "ALIC", xp, yp, zp, 0, "ONLY");
310
311}
312
313//_____________________________________________________________________________
314void AliPMDv0::CreatePads()
315{
316 //
317 // Create the geometry of the pads
318 // *** DEFINITION OF THE GEOMETRY OF THE PMD ***
319 // *** DIFFERENT PADS WITH SIZES 8 MM, 10 MM, 12 MM AND 15 MM SQUARE
320 // -- Author : Y.P. VIYOGI, 04/06/1997.
321 // -- Modified: P.V.K.S.Baba(JU), 13-12-97.
322
323 AliMC* pMC = AliMC::GetMC();
324
325 Int_t npad2;
326 Float_t /* scpv1[3], */ scpv2[3] /*, scpv3[3], scpv4[3] */;
327 Float_t spsw1[3], spsw2[3];//, spsw3[3], spsw4[3];
328 Float_t sw[3], xc, yc, zc;
329 Float_t sfe[3];
330 Float_t spb[3], pad1, pad2, pad3, pad4;
331 // VOLUMES Names : begining with D for all PMD volumes,
332
333 // DM11 : MODULE TYPE
334
335 // The names of SIZE variables begin with S and have more meaningful
336 // characters as shown below.
337
338 // VOLUME SIZE MEDIUM : REMARKS
339 // ------ ----- ------ : ---------------------------
340
341 // DPPB SPB PB : PB Converter and its SIZE
342 // DPFE SFE FE : FE Support Plate and its SIZE
343
344 // DW11 SPSW3 G10 : PRESHOWER
345 // DV11 SCPV3 G10 : CPV
346 // ****************** VOLUME TREE ******************
347
348 // DM11 (Module)
349 // |
350 // |
351 // -------------------------------------------------
352 // | | | |
353 // | | | |
354 // DV11( CPV) DPFE DPPB DW11(Preshower)
355 // ************************************************************
356
357
358
359 Int_t *idtmed = gAlice->Idtmed();
360
361 thgas = fPar[2];
362 thmin = fIn[0];
363 thmax = fIn[1];
364 zdist1 = fIn[2];
365 zdist = TMath::Abs(zdist1);
366 thlow = fIn[3];
367 thhigh = fIn[4];
368 edge = fGeo[1];
369 numqu = Int_t(fGeo[2]);
370
371 pad1 = fPadSize[0];
372 pad2 = fPadSize[1];
373 pad3 = fPadSize[2];
374 pad4 = fPadSize[3];
375 npad2 = Int_t(24/fPadSize[1]);
376
377 spsw2[0] = (npad2 * pad2)/2 + edge;
378 spsw2[1] = spsw2[0];
379 spsw2[2] = (thgas + .4) / 2;
380 scpv2[0] = spsw2[0];
381 scpv2[1] = spsw2[1];
382 scpv2[2] = spsw2[2];
383// The modules (DW11 and DV11 are filed with gas, G10 plate is ignored)
384 pMC->Gsvolu("DW11","BOX ", idtmed[604], spsw2, 3);
385 pMC->Gsatt("DW11", "SEEN", 1);
386 pMC->Gsvolu("DV11","BOX ", idtmed[604], spsw2, 3);
387 pMC->Gsatt("DV11", "SEEN", 1);
388
389 // --- DEFINE MODULES, IRON, TUNGSTEN AND LEAD VOLUMES
390
391
392 spb[0] = spsw1[0];
393 spb[1] = spsw1[1];
394 spb[2] = .75;
395 pMC->Gsvolu("DPPB","BOX ", idtmed[600], spb, 3);
396 pMC->Gsatt("DPPB", "SEEN", 1);
397
398 sw[0] = spsw1[0];
399 sw[1] = spsw1[1];
400 sw[2] = 0.9/2.;
401 pMC->Gsvolu("DPW ","BOX ", idtmed[600], sw, 3);
402 pMC->Gsatt("DPW ", "SEEN", 1);
403
404 sfe[0] = spsw1[0];
405 sfe[1] = spsw1[1];
406 sfe[2] = 0.6/2.;
407 pMC->Gsvolu("DPFE","BOX ", idtmed[605], sfe, 3);
408 pMC->Gsatt("DPFE", "SEEN", 1);
409
410 smod2[0] = spsw2[0];
411 smod2[1] = smod2[0];
412 smod2[2] = spsw2[2] + sfe[2] + spb[2] + scpv2[2];
413 pMC->Gsvolu("DM11", "BOX ", idtmed[698], smod2, 3);
414
415 // --- place gas box (as CPV), iron support, lead converter and gas box
416 // --- (preshower) in the module
417 xc = 0.;
418 yc = 0.;
419 // --- First the CPV box
420 zc = -(spsw2[2] + sfe[2] + spb[2] + spsw2[2]) + spsw2[2];
421 pMC->Gspos("DV11", 1, "DM11", xc, yc, zc, 0, "ONLY");
422 // --- Then iron support plate
423 zc = zc + sfe[2] + spsw2[2];
424 pMC->Gspos("DPFE", 1, "DM11", xc, yc, zc, 0, "ONLY");
425 // --- Then lead converter plate
426 zc = zc + sfe[2] + spb[2];
427 pMC->Gspos("DPPB", 1, "DM11", xc, yc, zc, 0, "ONLY");
428 // --- Lastly the preshower box
429 zc = zc + spb[2] + spsw2[2];
430 pMC->Gspos("DW11", 1, "DM11", xc, yc, zc, 0, "ONLY");
431
432}
433
434//_____________________________________________________________________________
435void AliPMDv0::DrawModule()
436{
437 //
438 // Draw a shaded view of the Photon Multiplicity Detector
439 //
440
441 AliMC* pMC = AliMC::GetMC();
442
443 pMC->Gsatt("*", "seen", -1);
444 pMC->Gsatt("alic", "seen", 0);
445 //
446 // Set the visibility of the components
447 //
448 pMC->Gsatt("DW11","seen",0);
449 pMC->Gsatt("DV11","seen",0);
450 pMC->Gsatt("DPPB","seen",1);
451 pMC->Gsatt("DPW ","seen",1);
452 pMC->Gsatt("DPFE","seen",1);
453 pMC->Gsatt("DM11","seen",1);
454 pMC->Gsatt("DPMD","seen",0);
455 pMC->Gsatt("DIQU","seen",0);
456 //
457 pMC->Gdopt("hide", "on");
458 pMC->Gdopt("shad", "on");
459 pMC->Gsatt("*", "fill", 7);
460 pMC->SetClipBox(".");
461 pMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000);
462 pMC->DefaultRange();
463 pMC->Gdraw("alic", 40, 30, 0, 22, 15.5, .04, .04);
464 pMC->Gdhead(1111, "Photon Multiplicity Detector Version 1");
465 pMC->Gdman(17, 5, "MAN");
466 pMC->Gdopt("hide", "off");
467}
468
469//_____________________________________________________________________________
470void AliPMDv0::CreateMaterials()
471{
472 //
473 // Create materials for the PMD version 1
474 //
475 // ORIGIN : Y. P. VIYOGI
476 //
477
478 AliMC* pMC = AliMC::GetMC();
479
480 // --- The Argon- CO2 mixture ---
481 Float_t ag[2] = { 39.95 };
482 Float_t zg[2] = { 18. };
483 Float_t wg[2] = { .8,.2 };
484 Float_t dar = .001782; // --- Ar density in g/cm3 ---
485 // --- CO2 ---
486 Float_t ac[2] = { 12.,16. };
487 Float_t zc[2] = { 6.,8. };
488 Float_t wc[2] = { 1.,2. };
489 Float_t dc = .001977;
490 Float_t dco = .002; // --- CO2 density in g/cm3 ---
491
492 Float_t absl, radl, a, d, z;
493 Float_t dg;
494 Float_t x0ar;
495 Float_t buf[1];
496 Int_t nbuf;
497
498 Int_t *idtmed = gAlice->Idtmed();
499 Int_t isxfld = gAlice->Field()->Integ();
500 Float_t sxmgmx = gAlice->Field()->Max();
501
502 // --- Define the various materials for GEANT ---
503 AliMaterial(1, "Pb $", 207.19, 82., 11.35, .56, 18.5);
504 x0ar = 19.55 / dar;
505 AliMaterial(2, "Argon$", 39.95, 18., dar, x0ar, 6.5e4);
506 AliMixture(3, "CO2 $", ac, zc, dc, -2, wc);
507 AliMaterial(4, "Al $", 26.98, 13., 2.7, 8.9, 18.5);
508 AliMaterial(6, "Fe $", 55.85, 26., 7.87, 1.76, 18.5);
509 AliMaterial(7, "W $", 183.85, 74., 19.3, .35, 10.3);
510 AliMaterial(8, "G10 $", 20., 10., 1.7, 19.4, 999);
511 AliMaterial(9, "SILIC$", 28.09, 14., 2.33, 9.36, 45.);
512 AliMaterial(10, "Be $", 9.01, 4., 1.848, 35.3, 36.7);
513 AliMaterial(15, "Cu $", 63.54, 29., 8.96, 1.43, 15.);
514 AliMaterial(16, "C $", 12.01, 6., 2.265, 18.8, 49.9);
515
516 AliMaterial(96, "MYLAR$", 8.73, 4.55, 1.39, 28.7, 62.);
517 AliMaterial(97, "CONCR$", 20., 10., 2.5, 10.7, 40.);
518 AliMaterial(98, "Vacum$", 1e-9, 1e-9, 1e-9, 1e16, 1e16);
519 AliMaterial(99, "Air $", 14.61, 7.3, .0012, 30420., 67500.);
520
521 // define gas-mixtures
522
523 char namate[21];
524 pMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
525 ag[1] = a;
526 zg[1] = z;
527 dg = (dar * 4 + dco) / 5;
528 AliMixture(5, "ArCO2$", ag, zg, dg, 2, wg);
529
530 // Define tracking media
531 AliMedium(601, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
532 AliMedium(607, "W conv.$", 7, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
533 AliMedium(608, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
534 AliMedium(604, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
535 AliMedium(606, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
536 AliMedium(605, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
537 AliMedium(609, "SILICON $", 9, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
538 AliMedium(610, "Be $", 10, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
539 AliMedium(698, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .1, 10);
540 AliMedium(699, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .1, .1);
541 AliMedium(615, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
542 AliMedium(616, "C $", 16, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
543
544 // --- Generate explicitly delta rays in the iron, aluminium and lead ---
545 pMC->Gstpar(idtmed[600], "LOSS", 3.);
546 pMC->Gstpar(idtmed[600], "DRAY", 1.);
547
548 pMC->Gstpar(idtmed[603], "LOSS", 3.);
549 pMC->Gstpar(idtmed[603], "DRAY", 1.);
550
551 pMC->Gstpar(idtmed[604], "LOSS", 3.);
552 pMC->Gstpar(idtmed[604], "DRAY", 1.);
553
554 pMC->Gstpar(idtmed[605], "LOSS", 3.);
555 pMC->Gstpar(idtmed[605], "DRAY", 1.);
556
557 pMC->Gstpar(idtmed[606], "LOSS", 3.);
558 pMC->Gstpar(idtmed[606], "DRAY", 1.);
559
560 pMC->Gstpar(idtmed[607], "LOSS", 3.);
561 pMC->Gstpar(idtmed[607], "DRAY", 1.);
562
563 // --- Energy cut-offs in the Pb and Al to gain time in tracking ---
564 // --- without affecting the hit patterns ---
565 pMC->Gstpar(idtmed[600], "CUTGAM", 1e-4);
566 pMC->Gstpar(idtmed[600], "CUTELE", 1e-4);
567 pMC->Gstpar(idtmed[600], "CUTNEU", 1e-4);
568 pMC->Gstpar(idtmed[600], "CUTHAD", 1e-4);
569 pMC->Gstpar(idtmed[605], "CUTGAM", 1e-4);
570 pMC->Gstpar(idtmed[605], "CUTELE", 1e-4);
571 pMC->Gstpar(idtmed[605], "CUTNEU", 1e-4);
572 pMC->Gstpar(idtmed[605], "CUTHAD", 1e-4);
573 pMC->Gstpar(idtmed[606], "CUTGAM", 1e-4);
574 pMC->Gstpar(idtmed[606], "CUTELE", 1e-4);
575 pMC->Gstpar(idtmed[606], "CUTNEU", 1e-4);
576 pMC->Gstpar(idtmed[606], "CUTHAD", 1e-4);
577 pMC->Gstpar(idtmed[603], "CUTGAM", 1e-4);
578 pMC->Gstpar(idtmed[603], "CUTELE", 1e-4);
579 pMC->Gstpar(idtmed[603], "CUTNEU", 1e-4);
580 pMC->Gstpar(idtmed[603], "CUTHAD", 1e-4);
581 pMC->Gstpar(idtmed[609], "CUTGAM", 1e-4);
582 pMC->Gstpar(idtmed[609], "CUTELE", 1e-4);
583 pMC->Gstpar(idtmed[609], "CUTNEU", 1e-4);
584 pMC->Gstpar(idtmed[609], "CUTHAD", 1e-4);
585
586 // --- Prevent particles stopping in the gas due to energy cut-off ---
587 pMC->Gstpar(idtmed[604], "CUTGAM", 1e-5);
588 pMC->Gstpar(idtmed[604], "CUTELE", 1e-5);
589 pMC->Gstpar(idtmed[604], "CUTNEU", 1e-5);
590 pMC->Gstpar(idtmed[604], "CUTHAD", 1e-5);
591 pMC->Gstpar(idtmed[604], "CUTMUO", 1e-5);
592}
593
594//_____________________________________________________________________________
595void AliPMDv0::Init()
596{
597 //
598 // Initialises PMD detector after it has been built
599 //
600 Int_t i;
601 kdet=1;
602 //
603 printf("\n");
604 for(i=0;i<35;i++) printf("*");
605 printf(" PMD_INIT ");
606 for(i=0;i<35;i++) printf("*");
607 printf("\n");
608 printf(" PMD simulation package initialised\n");
609 printf(" parameters of pmd\n");
610 printf("%6d %10.2f %10.2f %10.2f %10.2f %10.2f\n",kdet,thmin,thmax,zdist,thlow,thhigh);
611 //
612 for(i=0;i<80;i++) printf("*");
613 printf("\n");
614 //
615 Int_t *idtmed = gAlice->Idtmed();
616 fMedSens=idtmed[605-1];
617}
618
619//_____________________________________________________________________________
620void AliPMDv0::StepManager()
621{
622 //
623 // Called at each step in the PMD
624 //
625 Int_t copy;
626 Float_t hits[4], destep;
627 Float_t center[3] = {0,0,0};
628 Int_t vol[5];
629 Text_t namep[5];
630
631 AliMC* pMC=AliMC::GetMC();
632 if(pMC->GetMedium() == fMedSens && (destep = pMC->Edep())) {
633
634 pMC->CurrentVol(namep, copy);
635 vol[0]=copy;
636 pMC->CurrentVolOff(1,namep,copy);
637 vol[1]=copy;
638 pMC->CurrentVolOff(2,namep,copy);
639 vol[2]=copy;
640 if(strncmp(namep,"DW11",4))vol[2]=1;
641 if(strncmp(namep,"DV11",4))vol[2]=2;
642 pMC->CurrentVolOff(3,namep,copy);
643 vol[3]=copy;
644 pMC->CurrentVolOff(4,namep,copy);
645 vol[4]=copy;
646 pMC->Gdtom(center,hits,1);
647 hits[3] = destep*1e9; //Number in eV
648 AddHit(gAlice->CurrentTrack(), vol, hits);
649 }
650}