Introducing Riostream.h
[u/mrichter/AliRoot.git] / FMD / AliFMDv0.cxx
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2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3  *                                                                        *
4  * Author: The ALICE Off-line Project.                                    *
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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
28 #include <TMath.h>
29 #include <TGeometry.h>
30 #include <TTUBE.h>
31 #include <TNode.h>
32 #include <TLorentzVector.h>
33 #include "AliFMDv0.h"
34 #include "AliRun.h"
35 #include "AliMC.h"
36 #include <Riostream.h>
37 #include <Riostream.h>
38 #include "AliRndm.h"
39 #include "AliMagF.h"
40 #include "AliFMDhit.h"
41 #include <stdlib.h>
42
43 //class TGeant3;
44 ClassImp(AliFMDv0)
45
46 //--------------------------------------------------------------------
47 AliFMDv0::AliFMDv0(const char *name, const char *title):
48  AliFMD(name,title)
49 {
50   //
51   // Standart constructor for Forward Multiplicity Detector version 0
52   //
53   fIdSens1=0;
54   fIdSens2=0;
55   fIdSens3=0;
56   fIdSens4=0;
57   fIdSens5=0;
58 //  setBufferSize(128000);
59 }
60 //-------------------------------------------------------------------------
61
62 void AliFMDv0::CreateGeometry()
63 {
64  //
65   // Create the geometry of Forward Multiplicity Detector version 0
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;
70   // 3d  - the same pseudorapidity interval as the 1st 
71   // but on the other side from the interaction point z=-62.8cm;
72   // 4th - simmetricaly with the 2nd : 
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),
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;
79    //
80   // begin Html
81   /*
82    <img src="gif/AliFMDv0.gif">
83    */
84   //
85
86   Int_t *idtmed = fIdtmed->GetArray();
87   Int_t ifmd;
88   Int_t idrotm[999];
89   Float_t zfmd,par[3];
90   char name[5], nameSi[5], nameSector[5], nameRing[5];
91
92   Float_t rin[6], rout[6],zpos;
93
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};
96   //  Float_t z[6]={64., 85., -64., -85., -270., -630};
97   Float_t z[6]={62.8, 75.2, -83.4, -75.2, -340.};
98   Float_t zDet=0.03;
99   Float_t zElectronic=0.1;
100   Float_t zSupport=1.;
101
102   Float_t zFMD=1.;
103 //-------------------------------------------------------------------
104  //  FMD 
105  //------------------------------------------------------------------
106         cout<<" !!!!!!!!!!!New FMD geometry !!!!!!!!!"<<endl;
107
108   AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0);
109
110   //  gMC->Gsvolu("GSI","TUBE", idtmed[1], par, 0);
111   gMC->Gsvolu("GEL ","TUBE", idtmed[4], par, 0);
112   gMC->Gsvolu("GSUP","TUBE", idtmed[2], par, 0);
113
114   for (ifmd =0; ifmd < 5; ifmd++){
115
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);
121     
122     zfmd=TMath::Abs(z[ifmd]);
123     printf("zfmd %f z[ifmd] %f",zfmd,z[ifmd]);
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);
131     //    par[2]=zDet/2;
132     gMC->Gsvolu(nameSi,"TUBE", idtmed[1], par, 0);
133     
134     printf ("rin %f rout %f ZFMD %f\n",par[0],par[1],z[ifmd]);
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];
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       }
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];
171    //   gMC->Gsposp("GSUP",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
172    
173
174   }  
175
176 }    
177
178
179 //------------------------------------------------------------------------
180 void AliFMDv0::CreateMaterials()
181 {
182  Int_t isxfld   = gAlice->Field()->Integ();
183  Float_t sxmgmx = gAlice->Field()->Max();
184
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  
198
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 //---------------------------------------------------------------------
209 void AliFMDv0::DrawDetector()
210 {
211 //
212 // Draw a shaded view of the Forward multiplicity detector version 0
213 //
214
215 AliMC* pMC = AliMC::GetMC();
216
217 //Set ALIC mother transparent
218 pMC->Gsatt("ALIC","SEEN",0);
219 //
220 //Set volumes visible
221 gMC->Gsatt("FMD0","SEEN",1);
222 gMC->Gsatt("FMD1","SEEN",1);
223 gMC->Gsatt("FMD2","SEEN",1);
224 gMC->Gsatt("FMD3","SEEN",1);
225 gMC->Gsatt("FMD4","SEEN",1);
226 gMC->Gsatt("FMD5","SEEN",1);
227
228 //
229 gMC->Gdopt("hide","on");
230 gMC->Gdopt("shad","on");
231 gMC->SetClipBox(".");
232 gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
233 gMC->DefaultRange();
234 gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
235 gMC->Gdhead(1111,"Forward multiplicity detector");
236 gMC->Gdopt("hide","off");
237 }
238 //-------------------------------------------------------------------
239 void AliFMDv0::Init()
240 {
241 // Initialises version 0 of the Forward Multiplicity Detector
242 //
243 AliMC* gMC=AliMC::GetMC();
244 AliFMD::Init();
245 fIdSens1=gMC->VolId("GRN1");
246 fIdSens2=gMC->VolId("GRN2");
247 fIdSens3=gMC->VolId("GRN3");
248 fIdSens4=gMC->VolId("GRN4");
249 fIdSens5=gMC->VolId("GRN5");
250 if (fDebug) printf("*** FMD version 0 initialized ***\n");
251 }
252
253 //-------------------------------------------------------------------
254
255 void AliFMDv0::StepManager()
256 {
257   //
258   // Called for every step in the Forward Multiplicity Detector
259   //
260 }
261