Removed some dead code.
[u/mrichter/AliRoot.git] / FMD / AliFMDv2.cxx
CommitLineData
0d5ea2e8 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15 /////////////////////////////////////////////////////////////////////
16// //
17// Forward Multiplicity detector based on Silicon version 0 //
18//
19//Begin Html
20/*
21<img src="gif/AliFMDv0Class.gif">
22*/
23//End Html
24// //
25// //
26//////////////////////////////////////////////////////////////////////
27#include <TMath.h>
28#include <TGeometry.h>
29#include <TTUBE.h>
30#include <TFile.h>
31#include <TTree.h>
32#include <TNode.h>
33#include <TClonesArray.h>
34#include <TLorentzVector.h>
35#include <TDirectory.h>
36#include "AliFMDv2.h"
37#include "AliFMDv0.h"
38#include "AliRun.h"
39#include <Riostream.h>
40#include "AliMagF.h"
41#include "AliFMDhit.h"
42#include "AliFMDdigit.h"
43#include <stdlib.h>
44
45ClassImp(AliFMDv2)
46
47//--------------------------------------------------------------------
48AliFMDv2::AliFMDv2(const char *name, const char *title):
49 AliFMD(name,title)
50{
51 //
52 // Standart constructor for Forward Multiplicity Detector version 0
53 //
54 fIdSens1=0;
55 fIdSens2=0;
56 fIdSens3=0;
57 fIdSens4=0;
58 fIdSens5=0;
59// setBufferSize(128000);
60}
61//-------------------------------------------------------------------------
62void AliFMDv2::CreateGeometry()
63{
64 //
31a12f74 65 // Create the geometry of Forward Multiplicity Detector version 2
0d5ea2e8 66 //
31a12f74 67 //Detector consists of 5 volumes:
68 // 1st covered pseudorapidity interval from 3.4 to 2.0
0d5ea2e8 69 // and placed on 65cm in Z-direction;
31a12f74 70 // 2nd - from 2.2 to 1.7 and Z=85 cm;
0d5ea2e8 71 // 3d - the same pseudorapidity interval as the 1st
72 // but on the other side from the interaction point z=-65cm;
73 // 4th - simmetricaly with the 2nd :
74 // pseudorapidity from 2.0 to 1.6, Z=-85cm
75 // 5th - from 3.6 to 4.7, Z=-270cm
31a12f74 76 // Each part has 300mkm Si (sensetive area, detector itself),
0d5ea2e8 77 // 0.75cm of plastic simulated electronics material,
78 // Al support ring 2cm thickness and 1cm width placed on
79 // the outer radius of each Si disk;
80 //
81 // begin Html
82 /*
83 <img src="gif/AliFMDv0.gif">
84 */
85 //
86
87 Int_t *idtmed = fIdtmed->GetArray();
88
89 Int_t ifmd;
90 Int_t idrotm[999];
3230c98f 91 Float_t zFMD,par[3],ppcon[15];
0d5ea2e8 92 Float_t z[5]={62.8, 75.2, -83.4, -75.2, -340.};
93 Float_t NylonTube[3]={0.2,0.6,0.45};
94 Float_t zPCB=0.12; Float_t zHoneyComb=0.5;
95 Float_t zSi=0.03;
96
97//-------------------------------------------------------------------
98 // FMD
99 //------------------------------------------------------------------
100 // cout<<" !!!!!!!!!!!New FMD geometry !!!!!!!!!"<<endl;
101
102
103 char nameFMD[5], nameSi[5], nameSector[5], nameRing[5];
104 Char_t nameHoney[5], nameHoneyIn[5], nameHoneyOut[5];
105 Char_t namePCB[5], nameCopper[5], nameChips[5], nameG10[5];
106 Char_t nameLPCB[5], nameLCopper[5], nameLChips[5], nameGL10[5];;
107 Float_t rin[5]={4.2,15.4,4.2,15.4,4.2};
108 Float_t rout[5]={17.4,28.4,17.4,28.4,17.4};
109 Float_t RinHoneyComb[5] ={ 5.15,16.4, 5.15,16.4, 5.15};
110 Float_t RoutHoneyComb[5]={20.63,34.92,22.3, 32.02,20.63};
111 Float_t zInside;
112 Float_t zCooper=0.01; Float_t zChips=0.01;
113 Float_t yNylonTube[5]={10,20,10,20,10};
114
115
116 AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0);
117
118
119 // Nylon tubes
120 gMC->Gsvolu("GNYL","TUBE", idtmed[1], NylonTube, 3); //support nylon tube
121 Float_t wideSupport=zSi+3*zPCB+2*NylonTube[2]+zHoneyComb;
122 // cout<<" wideSupport "<<wideSupport<<endl;
123
124 for (ifmd=0; ifmd<5; ifmd++)
125 {
126 sprintf(nameFMD,"FMD%d",ifmd+1);
127 ppcon[0]=0;
128 ppcon[1]=360;
129 ppcon[2]=4;
130
23ab7963 131 ppcon[3]=-wideSupport;
132 ppcon[4]=rin[ifmd]+0.1;
133 ppcon[5]=rout[ifmd]+0.1;
0d5ea2e8 134
31a12f74 135 ppcon[6]=ppcon[3]+2*zSi+2*zPCB+2*NylonTube[2];
23ab7963 136 ppcon[7]=rin[ifmd]+0.1;
137 ppcon[8]=rout[ifmd]+0.1;
0d5ea2e8 138
139 ppcon[9]=ppcon[6];
23ab7963 140 ppcon[10]=RinHoneyComb[ifmd]+0.1;
141 ppcon[11]=RoutHoneyComb[ifmd]+0.1;
0d5ea2e8 142
23ab7963 143 ppcon[12]=ppcon[9]+2*zHoneyComb+zPCB;
144 ppcon[13]=RinHoneyComb[ifmd]+0.1;
145 ppcon[14]=RoutHoneyComb[ifmd]+0.1;
0d5ea2e8 146 zFMD=z[ifmd]+wideSupport/2.;
0d5ea2e8 147 gMC->Gsvolu(nameFMD,"PCON",idtmed[0],ppcon,15);
148 if (z[ifmd] >0){
149 gMC->Gspos(nameFMD,1,"ALIC",0,0,z[ifmd],0, "ONLY");}
150 else {
151 gMC->Gspos(nameFMD,1,"ALIC",0,0,z[ifmd],idrotm[901], "ONLY");}
152 //silicon
153 sprintf(nameSi,"GSI%d",ifmd+1);
154 sprintf(nameSector,"GSC%d",ifmd+1);
155 sprintf(nameRing,"GRN%d",ifmd+1);
23ab7963 156
0d5ea2e8 157 //honeycomb support
158 sprintf(nameHoney,"GSU%d",ifmd+1);
159 gMC->Gsvolu(nameHoney,"TUBE", idtmed[0], par, 0); //honeycomb
160 sprintf(nameHoneyIn,"GHI%d",ifmd+1);
161 gMC->Gsvolu(nameHoneyIn,"TUBE", idtmed[7], par, 0); //honey comb inside
162 sprintf(nameHoneyOut,"GHO%d",ifmd+1);
163 gMC->Gsvolu(nameHoneyOut,"TUBE", idtmed[6], par, 0); //honey comb skin
164 //PCB
165 sprintf(namePCB,"GPC%d",ifmd+1);
166 gMC->Gsvolu(namePCB,"TUBE", idtmed[0], par, 0); //PCB
167 sprintf(nameCopper,"GCO%d",ifmd+1);
168 gMC->Gsvolu(nameCopper,"TUBE", idtmed[3], par, 0); // Cooper
169 sprintf(nameChips,"GCH%d",ifmd+1);
170 gMC->Gsvolu(nameChips,"TUBE", idtmed[5], par, 0); // Si chips
171 sprintf(nameG10,"G10%d",ifmd+1);
172 gMC->Gsvolu(nameG10,"TUBE", idtmed[2], par, 0); //G10 plate
173 //last PCB
174 sprintf(nameLPCB,"GPL%d",ifmd+1);
175 gMC->Gsvolu(nameLPCB,"TUBE", idtmed[0], par, 0); //PCB
176 sprintf(nameLCopper,"GCL%d",ifmd+1);
177 gMC->Gsvolu(nameLCopper,"TUBE", idtmed[3], par, 0); // Cooper
178 sprintf(nameLChips,"GHL%d",ifmd+1);
179 gMC->Gsvolu(nameLChips,"TUBE", idtmed[5], par, 0); // Si chips
180 sprintf(nameGL10,"G1L%d",ifmd+1);
31a12f74 181 gMC->Gsvolu(nameGL10,"TUBE", idtmed[2], par, 0); // Last G10
0d5ea2e8 182 par[0]=rin[ifmd]; // pipe size
183 par[1]=rout[ifmd];
184 par[2]=zSi/2;
185 gMC->Gsvolu(nameSi,"TUBE", idtmed[4], par, 3);
0d5ea2e8 186 zInside=ppcon[3]+par[2];
23ab7963 187 gMC->Gspos(nameSi,ifmd+1,nameFMD,0,0,zInside,0, "ONLY");
0d5ea2e8 188 //PCB 1
189 zInside += par[2]+zPCB/2;
190 par[2]=zPCB/2;
0d5ea2e8 191 gMC->Gsposp(namePCB,1,nameFMD,0,0,zInside,0, "ONLY",par,3);
192 zInside += zPCB;
0d5ea2e8 193 gMC->Gsposp(namePCB,2,nameFMD,0,0,zInside,0, "ONLY",par,3);
31a12f74 194 Float_t NulonTubeBegin=zInside+2.5*zPCB;
0d5ea2e8 195 par[2]=zPCB/2-0.02;
196 Float_t zInPCB = -zPCB/2+par[2];
197 gMC->Gsposp(nameG10,1,namePCB,0,0,zInPCB,0, "ONLY",par,3);
198 zInPCB+=par[2]+zCooper/2 ;
199 par[2]=zCooper/2;
200 gMC->Gsposp(nameCopper,1,namePCB,0,0,zInPCB,0, "ONLY",par,3);
201 zInPCB += zCooper/2 + zChips/2;
202 par[2]=zChips/2;
203 gMC->Gsposp(nameChips,1,namePCB,0,0,zInPCB,0, "ONLY",par,3);
204 //HoneyComb
205 zHoneyComb=0.8;
206 par[0] = RinHoneyComb[ifmd];
207 par[1] = RoutHoneyComb[ifmd];
208 par[2] = zHoneyComb/2;
0d5ea2e8 209 zInside += 2*NylonTube[2]+par[2];
0d5ea2e8 210 gMC->Gsposp(nameHoney,1,nameFMD,0,0,zInside,0, "ONLY",par,3);
211 par[2]=0.1/2;
212 Float_t zHoney=-zHoneyComb/2+par[2];
0d5ea2e8 213 gMC->Gsposp(nameHoneyOut,1,nameHoney,0,0,zHoney,0,
214 "ONLY",par,3); //shkurki
215 zHoney=zHoneyComb/2-par[2];
0d5ea2e8 216 gMC->Gsposp(nameHoneyOut,2,nameHoney,0,0,zHoney,0, "ONLY",par,3);
217 par[2]=(zHoneyComb-2.*0.1)/2; //soty vnutri
218 gMC->Gsposp(nameHoneyIn,1,nameHoney,0,0,0,0, "ONLY",par,3);
219
220 gMC->Gspos("GNYL",1,nameFMD,0,yNylonTube[ifmd],
221 NulonTubeBegin+NylonTube[2]/2.,0, "ONLY");
222 gMC->Gspos("GNYL",2,nameFMD,0,-yNylonTube[ifmd],
223 NulonTubeBegin+NylonTube[2]/2.,0, "ONLY");
224
225 //last PCB
226 par[0]=RoutHoneyComb[ifmd]-9;
227 par[1]=RoutHoneyComb[ifmd];
228 par[2]=zPCB/2;
0d5ea2e8 229 zInside += zHoneyComb/2+par[2];
230 gMC->Gsposp(nameLPCB,1,nameFMD,0,0,zInside,0, "ONLY",par,3);
231
232 par[2]=zPCB/2-0.02;
233 zInPCB = -zPCB/2+par[2];
234 gMC->Gsposp(nameGL10,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3);
235 zInPCB+=par[2]+zCooper/2 ;
236 par[2]=zCooper/2;
237 gMC->Gsposp(nameLCopper,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3);
238 zInPCB += zCooper/2 + zChips/2;
239 par[2]=zChips/2;
240 gMC->Gsposp(nameLChips,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3);
241
23ab7963 242
0d5ea2e8 243 //Granularity
244 fSectorsSi1=20;
245 fRingsSi1=256*3;
23ab7963 246 // fRingsSi1=3; // for drawing only
0d5ea2e8 247 fSectorsSi2=40;
31a12f74 248 fRingsSi2=128*3;
249 // fRingsSi2=3; //for drawing onl
0d5ea2e8 250 if(ifmd==1||ifmd==3)
251 {
252 gMC->Gsdvn(nameSector, nameSi , fSectorsSi2, 2);
253 gMC->Gsdvn(nameRing, nameSector, fRingsSi2, 1);
254 }
255 else
256 {
257 gMC->Gsdvn(nameSector, nameSi , fSectorsSi1, 2);
258 gMC->Gsdvn(nameRing, nameSector , fRingsSi1, 1);
259 }
260
261 }
262}
263
264
265//------------------------------------------------------------------------
266
267
268void AliFMDv2::CreateMaterials()
269{
270 Int_t isxfld = gAlice->Field()->Integ();
271 Float_t sxmgmx = gAlice->Field()->Max();
272
273 // Plastic CH
274 Float_t aPlastic[2]={1.01,12.01};
275 Float_t zPlastic[2]={1,6};
276 Float_t wPlastic[2]={1,1};
277 Float_t denPlastic=1.03;
278 // 60% SiO2 , 40% G10FR4
279 // PC board
280 Float_t apcb[3] = { 28.0855,15.9994,17.749 };
281 Float_t zpcb[3] = { 14.,8.,8.875 };
282 Float_t wpcb[3] = { .28,.32,.4 };
283 Float_t denspcb = 1.8;
284 //
285
286 //*** Definition Of avaible FMD materials ***
287 AliMaterial(0, "FMD Air$", 14.61, 7.3, .001205, 30423.,999);
288 AliMixture(1, "Plastic$",aPlastic,zPlastic,denPlastic,-2,wPlastic);
289 AliMixture(2, "SSD PCB$", apcb, zpcb, denspcb, 3, wpcb);
290 AliMaterial(3, "SSD Copper$", 63.546, 29., 8.96, 1.43, 999.);
291 AliMaterial(4, "SSD Si$", 28.0855, 14., 2.33, 9.36, 999.);
292 AliMaterial(5, "SSD Si chip$", 28.0855, 14., 2.33, 9.36, 999.);
293 AliMaterial(6, "SSD C$", 12.011, 6., 2.265,18.8, 999.);
294 AliMaterial(7, "SSD Kapton$", 12.011, 6., 0.01, 31.27, 999.);//honeycomb
295 AliMaterial(8, "SSD G10FR4$", 17.749, 8.875, 1.8, 21.822, 999.);
296
297
298//**
299 AliMedium(0, "FMD air$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
300 AliMedium(1, "Plastic$", 1, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003);
301 AliMedium(2, "SSD PCB$", 2, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
302 AliMedium(3, "SSD Copper$", 3, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003);
303 AliMedium(4, "SSD Si$", 4, 1, isxfld, sxmgmx, 1., .001, 1., .001, .001);
304 AliMedium(5, "SSD Si chip$", 5, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003);
305 AliMedium(6, "SSD C$", 6, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003);
306 AliMedium(7, "SSD Kapton$", 7, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
307 AliMedium(8, "SSD G10FR4$", 8, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003);
308
309
310
311}
312
313//---------------------------------------------------------------------
314void AliFMDv2::DrawDetector()
315{
316//
317// Draw a shaded view of the Forward multiplicity detector version 0
318//
319
320
321//Set ALIC mother transparent
322gMC->Gsatt("ALIC","SEEN",0);
323//
324//Set volumes visible
325gMC->Gsatt("FMD1","SEEN",1);
326gMC->Gsatt("FMD2","SEEN",1);
327gMC->Gsatt("FMD3","SEEN",1);
328gMC->Gsatt("FMD4","SEEN",1);
329gMC->Gsatt("FMD5","SEEN",1);
330
331//
332gMC->Gdopt("hide","on");
333gMC->Gdopt("shad","on");
334gMC->SetClipBox(".");
335gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
336gMC->DefaultRange();
337gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
338gMC->Gdhead(1111,"Forward multiplicity detector");
339gMC->Gdopt("hide","off");
340}
341//-------------------------------------------------------------------
342void AliFMDv2::Init()
343{
344// Initialises version 0 of the Forward Multiplicity Detector
345//
346AliFMD::Init();
347fIdSens1=gMC->VolId("GRN1");
348fIdSens2=gMC->VolId("GRN2");
349fIdSens3=gMC->VolId("GRN3");
350fIdSens4=gMC->VolId("GRN4");
351fIdSens5=gMC->VolId("GRN5");
352printf("*** FMD version 2 initialized ***\n");
353}
354
355//-------------------------------------------------------------------
356
357void AliFMDv2::StepManager()
358{
359 //
360 // Called for every step in the Forward Multiplicity Detector
361 //
362 Int_t id,copy,copy1,copy2;
363 static Float_t hits[9];
364 static Int_t vol[3];
365 static Float_t de;
366 TLorentzVector pos;
367 TLorentzVector mom;
368
369
370 TClonesArray &lhits = *fHits;
371 if(!gMC->IsTrackAlive()) return; // particle has disappeared
372
373 Float_t charge = gMC->TrackCharge();
374 if(TMath::Abs(charge)<=0.) return; //take only charged particles
375
376 // printf(" in StepManeger \n");
377 id=gMC->CurrentVolID(copy);
378
379// Check the sensetive volume
380 if(id==fIdSens1||id==fIdSens2||id==fIdSens3||id==fIdSens4||id==fIdSens5)
381 {
382 if(gMC->IsTrackEntering())
383 {
384 vol[2]=copy;
385 gMC->CurrentVolOffID(1,copy1);
386 vol[1]=copy1;
387 gMC->CurrentVolOffID(2,copy2);
388 vol[0]=copy2;
389
390 gMC->TrackPosition(pos);
391 hits[0]=pos[0];
392 hits[1]=pos[1];
393 hits[2]=pos[2];
394
395 gMC->TrackMomentum(mom);
396 hits[3]=mom[0];
397 hits[4]=mom[1];
398 hits[5]=mom[2];
399
400 Int_t iPart= gMC->TrackPid();
401 Int_t partId=gMC->IdFromPDG(iPart);
402 hits[7]=partId;
403 hits[8]=1e9*gMC->TrackTime();
404 de=0.;
405 }
406 if(gMC->IsTrackInside()){
407 de=de+1000.*gMC->Edep();
408 }
409
410 if(gMC->IsTrackExiting()
411 ||gMC->IsTrackDisappeared()||
412 gMC->IsTrackStop())
413 {
414 hits[6]=de+1000.*gMC->Edep();
642f15cf 415 new(lhits[fNhits++]) AliFMDhit(fIshunt,gAlice->GetCurrentTrackNumber(),vol,hits);
0d5ea2e8 416 } // IsTrackExiting()
417 }
418 }
419
420//--------------------------------------------------------------------------
421
422void AliFMDv2::Response( Float_t Edep)
423{
424 Float_t I=1.664*0.04*2.33/22400; // = 0.69e-6;
425 Float_t chargeOnly=Edep/I;
426 //Add noise ~500electrons
427 Int_t charge=500;
428 if (Edep>0)
429 charge=Int_t(gRandom->Gaus(chargeOnly,500));
430 }
431
432
433
434
435
436
437