New version of FMD code (A.Maevskaia)
[u/mrichter/AliRoot.git] / FMD / AliFMDv0.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 **************************************************************************/
d28dcc0d 15 /////////////////////////////////////////////////////////////////////
16// //
17// Forward Multiplicity detector based on Silicon version 0 //
18//
19//Begin Html
fe4da5cc 20/*
d28dcc0d 21<img src="gif/AliFMDv0Class.gif">
fe4da5cc 22*/
d28dcc0d 23//End Html
24// //
25// //
26//////////////////////////////////////////////////////////////////////
fe4da5cc 27
d28dcc0d 28#include <TMath.h>
29#include <TGeometry.h>
30#include <TTUBE.h>
31#include <TNode.h>
32#include <TLorentzVector.h>
fe4da5cc 33#include "AliFMDv0.h"
d28dcc0d 34#include "AliRun.h"
fe4da5cc 35#include "AliMC.h"
d28dcc0d 36#include <iostream.h>
37#include <fstream.h>
f277ac7c 38#include "AliRndm.h"
94de3818 39#include "AliMagF.h"
d28dcc0d 40#include "AliFMDhit.h"
41#include <stdlib.h>
94de3818 42
d28dcc0d 43//class TGeant3;
fe4da5cc 44ClassImp(AliFMDv0)
d28dcc0d 45
46//--------------------------------------------------------------------
47AliFMDv0::AliFMDv0(const char *name, const char *title):
48 AliFMD(name,title)
fe4da5cc 49{
50 //
d28dcc0d 51 // Standart constructor for Forward Multiplicity Detector version 0
fe4da5cc 52 //
d28dcc0d 53 fIdSens1=0;
37c55dc0 54 fIdSens2=0;
55 fIdSens3=0;
56 fIdSens4=0;
57 fIdSens5=0;
d28dcc0d 58// setBufferSize(128000);
fe4da5cc 59}
d28dcc0d 60//-------------------------------------------------------------------------
37c55dc0 61
fe4da5cc 62void AliFMDv0::CreateGeometry()
63{
d28dcc0d 64 //
65 // Create the geometry of Forward Multiplicity Detector version 0
37c55dc0 66 //Detector consists of 5 volumes:
67 // 1st covered pseudorapidity interval from 3.58 to 2.03
68 // and placed on 62.8cm in Z-direction;
69 // 2nd - from 1.94 to 1.51 and Z=75.2 cm;
d28dcc0d 70 // 3d - the same pseudorapidity interval as the 1st
37c55dc0 71 // but on the other side from the interaction point z=-62.8cm;
d28dcc0d 72 // 4th - simmetricaly with the 2nd :
37c55dc0 73 // pseudorapidity from 1.94 to 1.51, Z=-75.2cm
74 // 5th - from 3.71 to 5.28, Z=-345cm
75 // Each part has 300mkm Si (sensetive area, detector itself),
d28dcc0d 76 // 0.75cm of plastic simulated electronics material,
77 // Al support ring 2cm thickness and 1cm width placed on
78 // the outer radius of each Si disk;
37c55dc0 79 //
d28dcc0d 80 // begin Html
fe4da5cc 81 /*
d28dcc0d 82 <img src="gif/AliFMDv0.gif">
37c55dc0 83 */
d28dcc0d 84 //
85
86 Int_t *idtmed = fIdtmed->GetArray();
87
88 Int_t ifmd;
89 Int_t idrotm[999];
90 Float_t zfmd,par[3];
37c55dc0 91 char name[5], nameSi[5], nameSector[5], nameRing[5];
d28dcc0d 92
93 Float_t rin[6], rout[6],zpos;
37c55dc0 94
95 Float_t etain[5]= {3.58, 1.94, 3.58, 1.94, 5.28};
96 Float_t etaout[6]={2.03, 1.51, 2.03, 1.51, 3.71};
97 // Float_t z[6]={64., 85., -64., -85., -270., -630};
98 Float_t z[6]={62.8, 75.2, -62.8, -75.2, -345.};
99 Float_t zDet=0.03;
100 Float_t zElectronic=0.1;
101 Float_t zSupport=1.;
102 /*
103 Float_t etain[6]= {3.3, 2.0, 3.3, 2.0, 4.5, 5.5};
104 Float_t etaout[6]={2.0, 1.6, 2.0, 1.6, 3.3, 4.5};
105 Float_t z[6]={64., 85., -64., -85., -240., -630};
d28dcc0d 106 Float_t zDet=0.04;
107 Float_t zElectronic=0.75;
108 Float_t zSupport=1.;
37c55dc0 109 */
110
111 Float_t zFMD=1.;
d28dcc0d 112//-------------------------------------------------------------------
113 // FMD
114 //------------------------------------------------------------------
115
116 AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0);
117
37c55dc0 118 // gMC->Gsvolu("GSI","TUBE", idtmed[1], par, 0);
d28dcc0d 119 gMC->Gsvolu("GEL ","TUBE", idtmed[4], par, 0);
120 gMC->Gsvolu("GSUP","TUBE", idtmed[2], par, 0);
121
37c55dc0 122 for (ifmd =0; ifmd < 5; ifmd++){
d28dcc0d 123
37c55dc0 124 sprintf(name,"FMD%d",ifmd+1);
125 sprintf(nameSi,"GSI%d",ifmd+1);
126 sprintf(nameSector,"GSC%d",ifmd+1);
127 sprintf(nameRing,"GRN%d",ifmd+1);
128 printf(name,nameSi);
d28dcc0d 129
130 zfmd=TMath::Abs(z[ifmd]);
37c55dc0 131 printf("zfmd %f z[ifmd] %f",zfmd,z[ifmd]);
d28dcc0d 132 AliFMD::Eta2Radius(etain[ifmd],zfmd,&rin[ifmd]);
133 AliFMD::Eta2Radius(etaout[ifmd],zfmd,&rout[ifmd]);
134
135 par[0]=rin[ifmd]; // pipe size
136 par[1]=rout[ifmd];
137 par[2]=zFMD/2;
138 gMC->Gsvolu(name,"TUBE", idtmed[3], par, 3);
37c55dc0 139 // par[2]=zDet/2;
140 gMC->Gsvolu(nameSi,"TUBE", idtmed[1], par, 0);
d28dcc0d 141
37c55dc0 142 printf ("rin %f rout %f ZFMD %f\n",par[0],par[1],z[ifmd]);
d28dcc0d 143 if (z[ifmd] < 0){
144 gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],0, "ONLY");}
145 else {
146 gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],idrotm[901], "ONLY");}
147 //Silicon detector
148 par[2]=zDet/2;
149 zpos=zFMD/2 -par[2];
37c55dc0 150 gMC->Gsposp(nameSi,ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
151 cout<<" Si "<<nameSi<<" ifmd "<<ifmd<<" rin "<<par[0]<<" rout "<<par[1]<<
152 " zDet "<<par[2]<<endl;
153 //Granularity
154 cout<<"fSectorsSi1 "<<fSectorsSi1<<
155 " fRingsSi1 "<<fRingsSi1<<
156 " fSectorsSi2 "<<fSectorsSi2<<
157 " fRingsSi2 "<<fRingsSi2<<endl;
158 if(ifmd==1||ifmd==3)
159 {
160 gMC->Gsdvn(nameSector, nameSi , fSectorsSi2, 2);
161 gMC->Gsdvn(nameRing, nameSector, fRingsSi2, 1);
162 }
163 else
164 {
165 gMC->Gsdvn(nameSector, nameSi , fSectorsSi1, 2);
166 gMC->Gsdvn(nameRing, nameSector , fRingsSi1, 1);
167 }
d28dcc0d 168
169 //Plastic slice for electronics
170 par[2]=zElectronic/2;
171 zpos=zpos-zDet/2-par[2];
172 gMC->Gsposp("GEL ",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
173
174 //Simple Al support
175 par[1]=rout[ifmd];
176 par[0]=rout[ifmd]-2;
177 par[2]=zSupport/2;
178 zpos=zpos-zElectronic/2-par[2];
37c55dc0 179 // gMC->Gsposp("GSUP",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
d28dcc0d 180
181
182 }
fe4da5cc 183
d28dcc0d 184}
37c55dc0 185
186
d28dcc0d 187//------------------------------------------------------------------------
188void AliFMDv0::CreateMaterials()
189{
190 Int_t isxfld = gAlice->Field()->Integ();
191 Float_t sxmgmx = gAlice->Field()->Max();
fe4da5cc 192
d28dcc0d 193 // Plastic CH
194 Float_t aPlastic[2]={1.01,12.01};
195 Float_t zPlastic[2]={1,6};
196 Float_t wPlastic[2]={1,1};
197 Float_t denPlastic=1.03;
198 //
199
200 //*** Definition Of avaible FMD materials ***
201 AliMaterial(0, "Si chip$", 28.0855,14.,2.33,9.36,999);
202 AliMaterial(1, "Al supprt$", 26.980,13.,2.70,8.9,999);
203 AliMaterial(2, "FMD Air$", 14.61, 7.3, .001205, 30423.,999);
204 AliMixture( 5, "Plastic$",aPlastic,zPlastic,denPlastic,-2,wPlastic);
205
fe4da5cc 206
d28dcc0d 207//**
208 AliMedium(1, "Si chip$", 0, 1, isxfld, sxmgmx, 1., .001, 1., .001, .001);
209 AliMedium(2, "Al support$", 1, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
210 AliMedium(3, "FMD air$", 2, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
211 AliMedium(4, "Plastic$", 5, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003);
212
213
214
215}
216//---------------------------------------------------------------------
217void AliFMDv0::DrawDetector()
fe4da5cc 218{
d28dcc0d 219//
220// Draw a shaded view of the Forward multiplicity detector version 0
221//
fe4da5cc 222
d28dcc0d 223AliMC* pMC = AliMC::GetMC();
224
225//Set ALIC mother transparent
226pMC->Gsatt("ALIC","SEEN",0);
227//
228//Set volumes visible
229gMC->Gsatt("FMD0","SEEN",1);
230gMC->Gsatt("FMD1","SEEN",1);
231gMC->Gsatt("FMD2","SEEN",1);
232gMC->Gsatt("FMD3","SEEN",1);
233gMC->Gsatt("FMD4","SEEN",1);
234gMC->Gsatt("FMD5","SEEN",1);
235
236//
237gMC->Gdopt("hide","on");
238gMC->Gdopt("shad","on");
239gMC->SetClipBox(".");
240gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
241gMC->DefaultRange();
242gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
243gMC->Gdhead(1111,"Forward multiplicity detector");
244gMC->Gdopt("hide","off");
245}
246//-------------------------------------------------------------------
247void AliFMDv0::Init()
248{
249// Initialises version 0 of the Forward Multiplicity Detector
250//
251AliMC* gMC=AliMC::GetMC();
252AliFMD::Init();
37c55dc0 253fIdSens1=gMC->VolId("GRN1");
254fIdSens2=gMC->VolId("GRN2");
255fIdSens3=gMC->VolId("GRN3");
256fIdSens4=gMC->VolId("GRN4");
257fIdSens5=gMC->VolId("GRN5");
0422d7f8 258if (fDebug) printf("*** FMD version 0 initialized ***\n");
fe4da5cc 259}
260
d28dcc0d 261//-------------------------------------------------------------------
262
263void AliFMDv0::StepManager()
fe4da5cc 264{
265 //
d28dcc0d 266 // Called for every step in the Forward Multiplicity Detector
fe4da5cc 267 //
37c55dc0 268}
fe4da5cc 269