Adaption to new fluka common blocks (E. Futo)
[u/mrichter/AliRoot.git] / FMD / AliFMDv1.cxx
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4c039060 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 **************************************************************************/
b9a2d5e4 15 /////////////////////////////////////////////////////////////////////
16// //
17// Forward Multiplicity detector based on Silicon version 0 //
18//
19//Begin Html
fe4da5cc 20/*
b9a2d5e4 21<img src="gif/AliFMDv0Class.gif">
fe4da5cc 22*/
b9a2d5e4 23//End Html
24// //
25// //
26//////////////////////////////////////////////////////////////////////
27
28#include <TMath.h>
29#include <TGeometry.h>
30#include <TTUBE.h>
31#include <TFile.h>
32#include <TTree.h>
33#include <TNode.h>
34#include <TClonesArray.h>
35#include <TLorentzVector.h>
36#include <TDirectory.h>
fe4da5cc 37#include "AliFMDv1.h"
37c55dc0 38#include "AliFMDv0.h"
b9a2d5e4 39#include "AliRun.h"
93bdec82 40#include <Riostream.h>
94de3818 41#include "AliMagF.h"
b9a2d5e4 42#include "AliFMDhit.h"
43#include "AliFMDdigit.h"
f707b5c1 44#include <stdlib.h>
b9a2d5e4 45//#include "TGeant3.h"
46//class TGeant3;
fe4da5cc 47ClassImp(AliFMDv1)
b9a2d5e4 48
49//--------------------------------------------------------------------
50AliFMDv1::AliFMDv1(const char *name, const char *title):
51 AliFMD(name,title)
fe4da5cc 52{
53 //
b9a2d5e4 54 // Standart constructor for Forward Multiplicity Detector version 0
fe4da5cc 55 //
b9a2d5e4 56 fIdSens1=0;
37c55dc0 57 fIdSens2=0;
58 fIdSens3=0;
59 fIdSens4=0;
60 fIdSens5=0;
b9a2d5e4 61// setBufferSize(128000);
fe4da5cc 62}
b9a2d5e4 63//-------------------------------------------------------------------------
fe4da5cc 64void AliFMDv1::CreateGeometry()
65{
b9a2d5e4 66 //
67 // Create the geometry of Forward Multiplicity Detector version 0
fe4da5cc 68 //
b9a2d5e4 69 //Detector consists of 6 volumes:
70 // 1st covered pseudorapidity interval from 3.3 to 2.0
71 // and placed on 65cm in Z-direction;
72 // 2nd - from 2.0 to 1.6 and Z=85 cm;
73 // 3d - the same pseudorapidity interval as the 1st
74 // but on the other side from the interaction point z=-65cm;
75 // 4th - simmetricaly with the 2nd :
76 // pseudorapidity from 2.0 to 1.6, Z=-85cm
77 // 5th - from 3.6 to 4.7, Z=-270cm
78 // 6th - from 4.5 to 5.5 , Z=-630cm.
79 // Each part has 400mkm Si (sensetive area, detector itself),
80 // 0.75cm of plastic simulated electronics material,
81 // Al support ring 2cm thickness and 1cm width placed on
82 // the outer radius of each Si disk;
83 //
84 // begin Html
fe4da5cc 85 /*
b9a2d5e4 86 <img src="gif/AliFMDv0.gif">
87 */
88 //
0d630091 89
37c55dc0 90
b9a2d5e4 91 Int_t *idtmed = fIdtmed->GetArray();
92
93 Int_t ifmd;
94 Int_t idrotm[999];
95 Float_t zfmd,par[3];
37c55dc0 96 char name[5], nameSi[5], nameSector[5], nameRing[5];
b9a2d5e4 97
98 Float_t rin[6], rout[6],zpos;
37c55dc0 99
c45743f9 100 Float_t etain[5]= {3.40, 2.29, 3.68, 2.29, 5.09};
101 Float_t etaout[6]={2.01, 1.70, 2.28, 1.70, 3.68};
dc8af42e 102 // Float_t z[6]={64., 85., -64., -85., -270., -630};
c45743f9 103 Float_t z[6]={62.8, 75.2, -83.4, -75.2, -340.};
37c55dc0 104 Float_t zDet=0.03;
105 Float_t zElectronic=0.1;
b9a2d5e4 106 Float_t zSupport=1.;
37c55dc0 107
108 Float_t zFMD=1.;
b9a2d5e4 109//-------------------------------------------------------------------
110 // FMD
111 //------------------------------------------------------------------
c45743f9 112 cout<<" !!!!!!!!!!!New FMD geometry !!!!!!!!!"<<endl;
b9a2d5e4 113
114 AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0);
115
37c55dc0 116 // gMC->Gsvolu("GSI","TUBE", idtmed[1], par, 0);
b9a2d5e4 117 gMC->Gsvolu("GEL ","TUBE", idtmed[4], par, 0);
118 gMC->Gsvolu("GSUP","TUBE", idtmed[2], par, 0);
119
dc8af42e 120 for (ifmd =0; ifmd < 5; ifmd++){
b9a2d5e4 121
37c55dc0 122 sprintf(name,"FMD%d",ifmd+1);
123 sprintf(nameSi,"GSI%d",ifmd+1);
124 sprintf(nameSector,"GSC%d",ifmd+1);
125 sprintf(nameRing,"GRN%d",ifmd+1);
f075b58b 126
b9a2d5e4 127 zfmd=TMath::Abs(z[ifmd]);
f075b58b 128
b9a2d5e4 129 AliFMD::Eta2Radius(etain[ifmd],zfmd,&rin[ifmd]);
130 AliFMD::Eta2Radius(etaout[ifmd],zfmd,&rout[ifmd]);
131
132 par[0]=rin[ifmd]; // pipe size
133 par[1]=rout[ifmd];
134 par[2]=zFMD/2;
135 gMC->Gsvolu(name,"TUBE", idtmed[3], par, 3);
37c55dc0 136 gMC->Gsvolu(nameSi,"TUBE", idtmed[1], par, 0);
b9a2d5e4 137
b9a2d5e4 138 if (z[ifmd] < 0){
139 gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],0, "ONLY");}
140 else {
141 gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],idrotm[901], "ONLY");}
142 //Silicon detector
143 par[2]=zDet/2;
144 zpos=zFMD/2 -par[2];
37c55dc0 145 gMC->Gsposp(nameSi,ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
f075b58b 146
37c55dc0 147 //Granularity
f075b58b 148 fSectorsSi1=20;
149 fRingsSi1=256;
150 fSectorsSi2=40;
151 fRingsSi2=128;
37c55dc0 152 if(ifmd==1||ifmd==3)
153 {
154 gMC->Gsdvn(nameSector, nameSi , fSectorsSi2, 2);
155 gMC->Gsdvn(nameRing, nameSector, fRingsSi2, 1);
156 }
157 else
158 {
159 gMC->Gsdvn(nameSector, nameSi , fSectorsSi1, 2);
160 gMC->Gsdvn(nameRing, nameSector , fRingsSi1, 1);
161 }
162
b9a2d5e4 163 //Plastic slice for electronics
164 par[2]=zElectronic/2;
165 zpos=zpos-zDet/2-par[2];
166 gMC->Gsposp("GEL ",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
167
168 //Simple Al support
169 par[1]=rout[ifmd];
170 par[0]=rout[ifmd]-2;
171 par[2]=zSupport/2;
172 zpos=zpos-zElectronic/2-par[2];
37c55dc0 173 // gMC->Gsposp("GSUP",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
b9a2d5e4 174
175
176 }
b9a2d5e4 177
178}
37c55dc0 179
b9a2d5e4 180//------------------------------------------------------------------------
181void AliFMDv1::CreateMaterials()
182{
183 Int_t isxfld = gAlice->Field()->Integ();
184 Float_t sxmgmx = gAlice->Field()->Max();
185
186 // Plastic CH
187 Float_t aPlastic[2]={1.01,12.01};
188 Float_t zPlastic[2]={1,6};
189 Float_t wPlastic[2]={1,1};
190 Float_t denPlastic=1.03;
191 //
192
193 //*** Definition Of avaible FMD materials ***
194 AliMaterial(0, "Si chip$", 28.0855,14.,2.33,9.36,999);
195 AliMaterial(1, "Al supprt$", 26.980,13.,2.70,8.9,999);
196 AliMaterial(2, "FMD Air$", 14.61, 7.3, .001205, 30423.,999);
197 AliMixture( 5, "Plastic$",aPlastic,zPlastic,denPlastic,-2,wPlastic);
198
0d630091 199
b9a2d5e4 200//**
201 AliMedium(1, "Si chip$", 0, 1, isxfld, sxmgmx, 1., .001, 1., .001, .001);
202 AliMedium(2, "Al support$", 1, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
203 AliMedium(3, "FMD air$", 2, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
204 AliMedium(4, "Plastic$", 5, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003);
205
0d630091 206
0d630091 207
fe4da5cc 208}
b9a2d5e4 209//---------------------------------------------------------------------
210void AliFMDv1::DrawDetector()
fe4da5cc 211{
b9a2d5e4 212//
213// Draw a shaded view of the Forward multiplicity detector version 0
214//
215
b9a2d5e4 216
217//Set ALIC mother transparent
5d02ea6f 218gMC->Gsatt("ALIC","SEEN",0);
b9a2d5e4 219//
220//Set volumes visible
b9a2d5e4 221gMC->Gsatt("FMD1","SEEN",1);
222gMC->Gsatt("FMD2","SEEN",1);
223gMC->Gsatt("FMD3","SEEN",1);
224gMC->Gsatt("FMD4","SEEN",1);
225gMC->Gsatt("FMD5","SEEN",1);
226
227//
228gMC->Gdopt("hide","on");
229gMC->Gdopt("shad","on");
230gMC->SetClipBox(".");
231gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
232gMC->DefaultRange();
233gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
234gMC->Gdhead(1111,"Forward multiplicity detector");
235gMC->Gdopt("hide","off");
236}
237//-------------------------------------------------------------------
238void AliFMDv1::Init()
239{
240// Initialises version 0 of the Forward Multiplicity Detector
241//
37c55dc0 242AliFMD::Init();
243fIdSens1=gMC->VolId("GRN1");
244fIdSens2=gMC->VolId("GRN2");
245fIdSens3=gMC->VolId("GRN3");
246fIdSens4=gMC->VolId("GRN4");
247fIdSens5=gMC->VolId("GRN5");
248printf("*** FMD version 1 initialized ***\n");
fe4da5cc 249}
250
b9a2d5e4 251//-------------------------------------------------------------------
252
253void AliFMDv1::StepManager()
fe4da5cc 254{
255 //
b9a2d5e4 256 // Called for every step in the Forward Multiplicity Detector
fe4da5cc 257 //
b9a2d5e4 258 Int_t id,copy,copy1,copy2;
259 static Float_t hits[9];
260 static Int_t vol[3];
261 static Float_t de;
262 TLorentzVector pos;
263 TLorentzVector mom;
fe4da5cc 264
0d630091 265
b9a2d5e4 266 TClonesArray &lhits = *fHits;
b9a2d5e4 267 if(!gMC->IsTrackAlive()) return; // particle has disappeared
0d630091 268
b9a2d5e4 269 Float_t charge = gMC->TrackCharge();
270 if(TMath::Abs(charge)<=0.) return; //take only charged particles
271
272 // printf(" in StepManeger \n");
273 id=gMC->CurrentVolID(copy);
37c55dc0 274 //((TGeant3*)gMC)->Gpcxyz();
fe4da5cc 275
b9a2d5e4 276// Check the sensetive volume
37c55dc0 277 if(id==fIdSens1||id==fIdSens2||id==fIdSens3||id==fIdSens4||id==fIdSens5)
b9a2d5e4 278 {
279 if(gMC->IsTrackEntering())
280 {
b9a2d5e4 281 vol[2]=copy;
282 gMC->CurrentVolOffID(1,copy1);
283 vol[1]=copy1;
284 gMC->CurrentVolOffID(2,copy2);
285 vol[0]=copy2;
f075b58b 286
b9a2d5e4 287 gMC->TrackPosition(pos);
288 hits[0]=pos[0];
289 hits[1]=pos[1];
290 hits[2]=pos[2];
f075b58b 291
b9a2d5e4 292 gMC->TrackMomentum(mom);
293 hits[3]=mom[0];
294 hits[4]=mom[1];
295 hits[5]=mom[2];
296
297 Int_t iPart= gMC->TrackPid();
298 Int_t partId=gMC->IdFromPDG(iPart);
299 hits[7]=partId;
300 hits[8]=1e9*gMC->TrackTime();
301 de=0.;
b9a2d5e4 302 }
303 if(gMC->IsTrackInside()){
304 de=de+1000.*gMC->Edep();
305 }
306
307 if(gMC->IsTrackExiting()
308 ||gMC->IsTrackDisappeared()||
309 gMC->IsTrackStop())
310 {
311 hits[6]=de+1000.*gMC->Edep();
37c55dc0 312 new(lhits[fNhits++]) AliFMDhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
b9a2d5e4 313 } // IsTrackExiting()
314 }
315 }
dc8af42e 316//--------------------------------------------------------------------------
317
318void AliFMDv1::Response( Float_t Edep)
319{
320 Float_t I=1.664*0.04*2.33/22400; // = 0.69e-6;
321 Float_t chargeOnly=Edep/I;
322 //Add noise ~500electrons
323 Int_t charge=500;
324 if (Edep>0)
325 charge=Int_t(gRandom->Gaus(chargeOnly,500));
326 }
b9a2d5e4 327
328
329
330
fe4da5cc 331
0d630091 332