Comments updated and merge problems solved.
[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();
d28dcc0d 87 Int_t ifmd;
88 Int_t idrotm[999];
89 Float_t zfmd,par[3];
37c55dc0 90 char name[5], nameSi[5], nameSector[5], nameRing[5];
d28dcc0d 91
92 Float_t rin[6], rout[6],zpos;
37c55dc0 93
c45743f9 94 Float_t etain[5]= {3.40, 2.29, 3.68, 2.29, 5.09};
95 Float_t etaout[6]={2.01, 1.70, 2.28, 1.70, 3.68};
37c55dc0 96 // Float_t z[6]={64., 85., -64., -85., -270., -630};
c45743f9 97 Float_t z[6]={62.8, 75.2, -83.4, -75.2, -340.};
37c55dc0 98 Float_t zDet=0.03;
99 Float_t zElectronic=0.1;
100 Float_t zSupport=1.;
37c55dc0 101
102 Float_t zFMD=1.;
d28dcc0d 103//-------------------------------------------------------------------
104 // FMD
105 //------------------------------------------------------------------
c45743f9 106 cout<<" !!!!!!!!!!!New FMD geometry !!!!!!!!!"<<endl;
d28dcc0d 107
108 AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0);
109
37c55dc0 110 // gMC->Gsvolu("GSI","TUBE", idtmed[1], par, 0);
d28dcc0d 111 gMC->Gsvolu("GEL ","TUBE", idtmed[4], par, 0);
112 gMC->Gsvolu("GSUP","TUBE", idtmed[2], par, 0);
113
37c55dc0 114 for (ifmd =0; ifmd < 5; ifmd++){
d28dcc0d 115
37c55dc0 116 sprintf(name,"FMD%d",ifmd+1);
117 sprintf(nameSi,"GSI%d",ifmd+1);
118 sprintf(nameSector,"GSC%d",ifmd+1);
119 sprintf(nameRing,"GRN%d",ifmd+1);
120 printf(name,nameSi);
d28dcc0d 121
122 zfmd=TMath::Abs(z[ifmd]);
37c55dc0 123 printf("zfmd %f z[ifmd] %f",zfmd,z[ifmd]);
d28dcc0d 124 AliFMD::Eta2Radius(etain[ifmd],zfmd,&rin[ifmd]);
125 AliFMD::Eta2Radius(etaout[ifmd],zfmd,&rout[ifmd]);
126
127 par[0]=rin[ifmd]; // pipe size
128 par[1]=rout[ifmd];
129 par[2]=zFMD/2;
130 gMC->Gsvolu(name,"TUBE", idtmed[3], par, 3);
37c55dc0 131 // par[2]=zDet/2;
132 gMC->Gsvolu(nameSi,"TUBE", idtmed[1], par, 0);
d28dcc0d 133
37c55dc0 134 printf ("rin %f rout %f ZFMD %f\n",par[0],par[1],z[ifmd]);
d28dcc0d 135 if (z[ifmd] < 0){
136 gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],0, "ONLY");}
137 else {
138 gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],idrotm[901], "ONLY");}
139 //Silicon detector
140 par[2]=zDet/2;
141 zpos=zFMD/2 -par[2];
37c55dc0 142 gMC->Gsposp(nameSi,ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
143 cout<<" Si "<<nameSi<<" ifmd "<<ifmd<<" rin "<<par[0]<<" rout "<<par[1]<<
144 " zDet "<<par[2]<<endl;
145 //Granularity
146 cout<<"fSectorsSi1 "<<fSectorsSi1<<
147 " fRingsSi1 "<<fRingsSi1<<
148 " fSectorsSi2 "<<fSectorsSi2<<
149 " fRingsSi2 "<<fRingsSi2<<endl;
150 if(ifmd==1||ifmd==3)
151 {
152 gMC->Gsdvn(nameSector, nameSi , fSectorsSi2, 2);
153 gMC->Gsdvn(nameRing, nameSector, fRingsSi2, 1);
154 }
155 else
156 {
157 gMC->Gsdvn(nameSector, nameSi , fSectorsSi1, 2);
158 gMC->Gsdvn(nameRing, nameSector , fRingsSi1, 1);
159 }
d28dcc0d 160
161 //Plastic slice for electronics
162 par[2]=zElectronic/2;
163 zpos=zpos-zDet/2-par[2];
164 gMC->Gsposp("GEL ",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
165
166 //Simple Al support
167 par[1]=rout[ifmd];
168 par[0]=rout[ifmd]-2;
169 par[2]=zSupport/2;
170 zpos=zpos-zElectronic/2-par[2];
37c55dc0 171 // gMC->Gsposp("GSUP",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
d28dcc0d 172
173
174 }
fe4da5cc 175
d28dcc0d 176}
37c55dc0 177
178
d28dcc0d 179//------------------------------------------------------------------------
180void AliFMDv0::CreateMaterials()
181{
182 Int_t isxfld = gAlice->Field()->Integ();
183 Float_t sxmgmx = gAlice->Field()->Max();
fe4da5cc 184
d28dcc0d 185 // Plastic CH
186 Float_t aPlastic[2]={1.01,12.01};
187 Float_t zPlastic[2]={1,6};
188 Float_t wPlastic[2]={1,1};
189 Float_t denPlastic=1.03;
190 //
191
192 //*** Definition Of avaible FMD materials ***
193 AliMaterial(0, "Si chip$", 28.0855,14.,2.33,9.36,999);
194 AliMaterial(1, "Al supprt$", 26.980,13.,2.70,8.9,999);
195 AliMaterial(2, "FMD Air$", 14.61, 7.3, .001205, 30423.,999);
196 AliMixture( 5, "Plastic$",aPlastic,zPlastic,denPlastic,-2,wPlastic);
197
fe4da5cc 198
d28dcc0d 199//**
200 AliMedium(1, "Si chip$", 0, 1, isxfld, sxmgmx, 1., .001, 1., .001, .001);
201 AliMedium(2, "Al support$", 1, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
202 AliMedium(3, "FMD air$", 2, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
203 AliMedium(4, "Plastic$", 5, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003);
204
205
206
207}
208//---------------------------------------------------------------------
209void AliFMDv0::DrawDetector()
fe4da5cc 210{
d28dcc0d 211//
212// Draw a shaded view of the Forward multiplicity detector version 0
213//
fe4da5cc 214
d28dcc0d 215AliMC* pMC = AliMC::GetMC();
216
217//Set ALIC mother transparent
218pMC->Gsatt("ALIC","SEEN",0);
219//
220//Set volumes visible
221gMC->Gsatt("FMD0","SEEN",1);
222gMC->Gsatt("FMD1","SEEN",1);
223gMC->Gsatt("FMD2","SEEN",1);
224gMC->Gsatt("FMD3","SEEN",1);
225gMC->Gsatt("FMD4","SEEN",1);
226gMC->Gsatt("FMD5","SEEN",1);
227
228//
229gMC->Gdopt("hide","on");
230gMC->Gdopt("shad","on");
231gMC->SetClipBox(".");
232gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
233gMC->DefaultRange();
234gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
235gMC->Gdhead(1111,"Forward multiplicity detector");
236gMC->Gdopt("hide","off");
237}
238//-------------------------------------------------------------------
239void AliFMDv0::Init()
240{
241// Initialises version 0 of the Forward Multiplicity Detector
242//
243AliMC* gMC=AliMC::GetMC();
244AliFMD::Init();
37c55dc0 245fIdSens1=gMC->VolId("GRN1");
246fIdSens2=gMC->VolId("GRN2");
247fIdSens3=gMC->VolId("GRN3");
248fIdSens4=gMC->VolId("GRN4");
249fIdSens5=gMC->VolId("GRN5");
0422d7f8 250if (fDebug) printf("*** FMD version 0 initialized ***\n");
fe4da5cc 251}
252
d28dcc0d 253//-------------------------------------------------------------------
254
255void AliFMDv0::StepManager()
fe4da5cc 256{
257 //
d28dcc0d 258 // Called for every step in the Forward Multiplicity Detector
fe4da5cc 259 //
37c55dc0 260}
fe4da5cc 261