eliminate warnings
[u/mrichter/AliRoot.git] / FMD / AliFMDv1.cxx
1 /**************************************************************************
2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3  *                                                                        *
4  * Author: The ALICE Off-line Project.                                    *
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15
16 /* $Id$ */
17
18  /////////////////////////////////////////////////////////////////////
19 //                                                                 //
20 // Forward Multiplicity detector based on Silicon version 0        //
21 //
22 //Begin Html       
23 /*
24 <img src="gif/AliFMDv0Class.gif">
25 */
26 //End Html
27 //                                                                  //
28 //                                                                  //
29 //////////////////////////////////////////////////////////////////////
30
31 #include <Riostream.h>
32 #include <stdlib.h>
33
34 #include <TClonesArray.h>
35 #include <TDirectory.h>
36 #include <TFile.h>
37 #include <TGeometry.h>
38 #include <TLorentzVector.h>
39 #include <TMath.h>
40 #include <TNode.h>
41 #include <TTUBE.h>
42 #include <TTree.h>
43 #include <TVirtualMC.h>
44
45 #include "AliFMDdigit.h"
46 #include "AliFMDhit.h"
47 #include "AliFMDv0.h"
48 #include "AliFMDv1.h"
49 #include "AliMagF.h"
50 #include "AliRun.h"
51
52 ClassImp(AliFMDv1)
53
54 //--------------------------------------------------------------------
55 AliFMDv1::AliFMDv1(const char *name, const char *title):
56  AliFMD(name,title)
57 {
58   //
59   // Standart constructor for Forward Multiplicity Detector version 0
60   //
61   fIdSens1=0;
62   fIdSens2=0;
63   fIdSens3=0;
64   fIdSens4=0;
65   fIdSens5=0;
66 //  setBufferSize(128000);
67  }
68 //-------------------------------------------------------------------------
69 void AliFMDv1::CreateGeometry()
70 {
71  //
72   // Create the geometry of Forward Multiplicity Detector version 0
73   //
74   //Detector consists of 6 volumes: 
75   // 1st covered pseudorapidity interval from 3.3 to 2.0
76   // and placed on 65cm in Z-direction;
77   // 2nd - from 2.0 to 1.6 and Z=85 cm;
78   // 3d  - the same pseudorapidity interval as the 1st 
79   // but on the other side from the interaction point z=-65cm;
80   // 4th - simmetricaly with the 2nd : 
81   // pseudorapidity from 2.0 to 1.6, Z=-85cm   
82   // 5th - from 3.6 to 4.7, Z=-270cm
83   // 6th - from 4.5 to 5.5 , Z=-630cm.
84   // Each part has 400mkm Si (sensetive area, detector itself),
85   // 0.75cm of plastic simulated electronics material,
86   // Al support ring 2cm thickness and 1cm width placed on 
87   // the outer radius of each Si disk;
88   //    
89   // begin Html
90   /*
91    <img src="gif/AliFMDv0.gif">
92    */
93   //
94
95
96
97   Int_t *idtmed = fIdtmed->GetArray();
98    
99   Int_t ifmd;
100   Int_t idrotm[999];
101   Float_t zFMD,par[3],ppcon[15];
102   Float_t z[5]={62.8, 75.2, -83.4, -75.2, -340.};
103   Float_t NylonTube[3]={0.2,0.6,0.45};
104   Float_t zPCB=0.12; Float_t zHoneyComb=0.5; 
105   Float_t zSi=0.03;
106  
107   char nameFMD[5], nameSi[5], nameSector[5], nameRing[5];
108   Char_t nameHoney[5], nameHoneyIn[5], nameHoneyOut[5];
109   Char_t namePCB[5], nameCopper[5], nameChips[5], nameG10[5];
110   Char_t nameLPCB[5], nameLCopper[5], nameLChips[5], nameGL10[5];;
111   Float_t rin[5]={4.2,15.4,4.2,15.4,4.2};
112   Float_t rout[5]={17.4,28.4,17.4,28.4,17.4};
113   Float_t RinHoneyComb[5] ={ 5.15,16.4,  5.15,16.4,  5.15};
114   Float_t RoutHoneyComb[5]={20.63,34.92,22.3, 32.02,20.63};
115   Float_t zInside;
116   Float_t zCooper=0.01; Float_t zChips=0.01;
117   Float_t yNylonTube[5]={10,20,10,20,10};
118
119
120   AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0);
121   
122   
123   // Nylon tubes
124    gMC->Gsvolu("GNYL","TUBE", idtmed[1], NylonTube, 3);  //support nylon tube
125    Float_t wideSupport=zSi+3*zPCB+2*NylonTube[2]+zHoneyComb;
126      cout<<" wideSupport "<<wideSupport<<endl;
127
128  for (ifmd=0; ifmd<5; ifmd++)
129     {
130       sprintf(nameFMD,"FMD%d",ifmd+1);
131       ppcon[0]=0;
132       ppcon[1]=360;
133       ppcon[2]=4;
134       
135       ppcon[3]=-wideSupport;
136       ppcon[4]=rin[ifmd]+0.1;
137       ppcon[5]=rout[ifmd]+0.1;
138       
139       ppcon[6]=ppcon[3]+2*zSi+2*zPCB+2*NylonTube[2];
140       ppcon[7]=rin[ifmd]+0.1;
141       ppcon[8]=rout[ifmd]+0.1;
142       
143       ppcon[9]=ppcon[6];
144       ppcon[10]=RinHoneyComb[ifmd]+0.1;
145       ppcon[11]=RoutHoneyComb[ifmd]+0.1;
146
147       ppcon[12]=ppcon[9]+2*zHoneyComb+zPCB;
148       ppcon[13]=RinHoneyComb[ifmd]+0.1;
149       ppcon[14]=RoutHoneyComb[ifmd]+0.1;
150       gMC->Gsvolu(nameFMD,"PCON",idtmed[0],ppcon,15);
151       if (z[ifmd] >0){  
152         zFMD=z[ifmd]+wideSupport;
153         gMC->Gspos(nameFMD,1,"ALIC",0,0,zFMD,0, "ONLY");}
154       else {
155         zFMD=z[ifmd]-wideSupport;
156         gMC->Gspos(nameFMD,1,"ALIC",0,0,zFMD,idrotm[901], "ONLY");}
157      //silicon
158       sprintf(nameSi,"GSI%d",ifmd+1);
159       sprintf(nameSector,"GSC%d",ifmd+1);
160       sprintf(nameRing,"GRN%d",ifmd+1);
161       
162       //honeycomb support
163       sprintf(nameHoney,"GSU%d",ifmd+1);
164       gMC->Gsvolu(nameHoney,"TUBE", idtmed[0], par, 0);  //honeycomb 
165       sprintf(nameHoneyIn,"GHI%d",ifmd+1);
166       gMC->Gsvolu(nameHoneyIn,"TUBE", idtmed[7], par, 0);  //honey comb inside 
167       sprintf(nameHoneyOut,"GHO%d",ifmd+1);
168       gMC->Gsvolu(nameHoneyOut,"TUBE", idtmed[6], par, 0);  //honey comb skin
169       //PCB
170       sprintf(namePCB,"GPC%d",ifmd+1);
171       gMC->Gsvolu(namePCB,"TUBE", idtmed[0], par, 0); //PCB
172       sprintf(nameCopper,"GCO%d",ifmd+1);
173       gMC->Gsvolu(nameCopper,"TUBE", idtmed[3], par, 0);  // Cooper
174       sprintf(nameChips,"GCH%d",ifmd+1);
175       gMC->Gsvolu(nameChips,"TUBE", idtmed[5], par, 0); // Si chips
176       sprintf(nameG10,"G10%d",ifmd+1);
177       gMC->Gsvolu(nameG10,"TUBE", idtmed[2], par, 0);  //G10 plate
178       //last PCB
179       sprintf(nameLPCB,"GPL%d",ifmd+1);
180       gMC->Gsvolu(nameLPCB,"TUBE", idtmed[0], par, 0); //PCB
181       sprintf(nameLCopper,"GCL%d",ifmd+1);
182       gMC->Gsvolu(nameLCopper,"TUBE", idtmed[3], par, 0);  // Cooper
183       sprintf(nameLChips,"GHL%d",ifmd+1);
184       gMC->Gsvolu(nameLChips,"TUBE", idtmed[5], par, 0); // Si chips
185       sprintf(nameGL10,"G1L%d",ifmd+1);
186       gMC->Gsvolu(nameGL10,"TUBE", idtmed[2], par, 0); // Last G10
187       par[0]=rin[ifmd]; // pipe size
188       par[1]=rout[ifmd];
189       par[2]=zSi/2;
190       gMC->Gsvolu(nameSi,"TUBE", idtmed[4], par, 3);
191       zInside=ppcon[3]+par[2];
192        gMC->Gspos(nameSi,ifmd+1,nameFMD,0,0,zInside,0, "ONLY");
193       //PCB 1
194       zInside += par[2]+zPCB/2;
195       par[2]=zPCB/2;
196       gMC->Gsposp(namePCB,1,nameFMD,0,0,zInside,0, "ONLY",par,3);
197       zInside += zPCB;
198       gMC->Gsposp(namePCB,2,nameFMD,0,0,zInside,0, "ONLY",par,3);
199       Float_t NulonTubeBegin=zInside+2.5*zPCB;
200       par[2]=zPCB/2-0.02;
201       Float_t zInPCB = -zPCB/2+par[2];
202       gMC->Gsposp(nameG10,1,namePCB,0,0,zInPCB,0, "ONLY",par,3);
203       zInPCB+=par[2]+zCooper/2 ;
204       par[2]=zCooper/2;
205       gMC->Gsposp(nameCopper,1,namePCB,0,0,zInPCB,0, "ONLY",par,3);
206       zInPCB += zCooper/2 + zChips/2;
207       par[2]=zChips/2;
208       gMC->Gsposp(nameChips,1,namePCB,0,0,zInPCB,0, "ONLY",par,3);
209       //HoneyComb
210       zHoneyComb=0.8;   
211       par[0] = RinHoneyComb[ifmd];
212       par[1] = RoutHoneyComb[ifmd];
213       par[2] = zHoneyComb/2;
214       zInside += 2*NylonTube[2]+par[2];
215       gMC->Gsposp(nameHoney,1,nameFMD,0,0,zInside,0, "ONLY",par,3);
216       par[2]=0.1/2;
217       Float_t zHoney=-zHoneyComb/2+par[2];
218       gMC->Gsposp(nameHoneyOut,1,nameHoney,0,0,zHoney,0,
219                   "ONLY",par,3); //shkurki
220       zHoney=zHoneyComb/2-par[2];
221       gMC->Gsposp(nameHoneyOut,2,nameHoney,0,0,zHoney,0, "ONLY",par,3);
222       par[2]=(zHoneyComb-2.*0.1)/2; //soty vnutri
223       gMC->Gsposp(nameHoneyIn,1,nameHoney,0,0,0,0, "ONLY",par,3);
224       
225       gMC->Gspos("GNYL",1,nameFMD,0,yNylonTube[ifmd],
226                  NulonTubeBegin+NylonTube[2]/2.,0, "ONLY");
227       gMC->Gspos("GNYL",2,nameFMD,0,-yNylonTube[ifmd],
228                  NulonTubeBegin+NylonTube[2]/2.,0, "ONLY");
229          
230       //last PCB
231       par[0]=RoutHoneyComb[ifmd]-9;
232       par[1]=RoutHoneyComb[ifmd];
233       par[2]=zPCB/2;
234       zInside += zHoneyComb/2+par[2];
235       gMC->Gsposp(nameLPCB,1,nameFMD,0,0,zInside,0, "ONLY",par,3);
236       
237        par[2]=zPCB/2-0.02;
238        zInPCB = -zPCB/2+par[2];
239        gMC->Gsposp(nameGL10,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3);
240        zInPCB+=par[2]+zCooper/2 ;
241        par[2]=zCooper/2;
242        gMC->Gsposp(nameLCopper,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3);
243        zInPCB += zCooper/2 + zChips/2;
244        par[2]=zChips/2;
245        gMC->Gsposp(nameLChips,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3);
246       
247            
248      //Granularity
249     fSectorsSi1=20;
250     fRingsSi1=256*2;
251     // fRingsSi1=3; // for drawing only
252     fSectorsSi2=40;
253      fRingsSi2=128*2;
254      //  fRingsSi2=3; //for  drawing onl
255     if(ifmd==1||ifmd==3)
256       { 
257         gMC->Gsdvn(nameSector, nameSi , fSectorsSi2, 2);
258         gMC->Gsdvn(nameRing, nameSector, fRingsSi2, 1);
259       }
260     else
261       {
262         gMC->Gsdvn(nameSector, nameSi , fSectorsSi1, 2);
263         gMC->Gsdvn(nameRing, nameSector , fRingsSi1, 1);
264       }
265     
266     }
267 }    
268
269
270 //------------------------------------------------------------------------
271 void AliFMDv1::CreateMaterials() 
272 {
273  Int_t isxfld   = gAlice->Field()->Integ();
274  Float_t sxmgmx = gAlice->Field()->Max();
275
276  // Plastic CH
277  Float_t aPlastic[2]={1.01,12.01};
278  Float_t zPlastic[2]={1,6};
279  Float_t wPlastic[2]={1,1};
280  Float_t denPlastic=1.03;
281    //
282   //     60% SiO2 , 40% G10FR4 
283  // PC board
284  Float_t apcb[3]  = { 28.0855,15.9994,17.749 };
285  Float_t zpcb[3]  = { 14.,8.,8.875 };
286  Float_t wpcb[3]  = { .28,.32,.4 };
287  Float_t denspcb  = 1.8;
288    //
289  //*** Definition Of avaible FMD materials ***
290  AliMaterial(0, "FMD Air$", 14.61, 7.3, .001205, 30423.,999); 
291  AliMixture(1, "Plastic$",aPlastic,zPlastic,denPlastic,-2,wPlastic);
292  AliMixture(2, "SSD PCB$",   apcb, zpcb, denspcb, 3, wpcb);
293  AliMaterial(3, "SSD Copper$", 63.546, 29., 8.96, 1.43, 999.);
294  AliMaterial(4, "SSD Si$",      28.0855, 14., 2.33, 9.36, 999.);
295  AliMaterial(5, "SSD Si chip$", 28.0855, 14., 2.33, 9.36, 999.);
296  AliMaterial(6, "SSD C$",       12.011,   6., 2.265,18.8, 999.);
297  AliMaterial(7, "SSD Kapton$", 12.011, 6., 0.01, 31.27, 999.);//honeycomb
298   AliMaterial(8, "SSD G10FR4$", 17.749, 8.875, 1.8, 21.822, 999.);
299    
300
301 //**
302  AliMedium(0, "FMD air$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
303  AliMedium(1, "Plastic$", 1, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
304  AliMedium(2, "SSD PCB$", 2, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
305  AliMedium(3, "SSD Copper$", 3, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
306  AliMedium(4, "SSD Si$", 4, 1, isxfld, sxmgmx, 1., .001, 1., .001, .001);
307  AliMedium(5, "SSD Si chip$", 5, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
308  AliMedium(6, "SSD C$", 6, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
309  AliMedium(7, "SSD Kapton$", 7, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
310  AliMedium(8, "SSD G10FR4$", 8, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
311  
312
313
314 }
315 //---------------------------------------------------------------------
316 void AliFMDv1::DrawDetector()
317 {
318 //
319 // Draw a shaded view of the Forward multiplicity detector version 0
320 //
321
322 //Set ALIC mother transparent
323 gMC->Gsatt("ALIC","SEEN",0);
324 //
325 //Set volumes visible
326 gMC->Gsatt("FMD1","SEEN",1);
327 gMC->Gsatt("FMD2","SEEN",1);
328 gMC->Gsatt("FMD3","SEEN",1);
329 gMC->Gsatt("FMD4","SEEN",1);
330 gMC->Gsatt("FMD5","SEEN",1);
331
332 //
333 gMC->Gdopt("hide","on");
334 gMC->Gdopt("shad","on");
335 gMC->SetClipBox(".");
336 gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
337 gMC->DefaultRange();
338 gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
339 gMC->Gdhead(1111,"Forward multiplicity detector");
340 gMC->Gdopt("hide","off");
341 }
342 //-------------------------------------------------------------------
343 void AliFMDv1::Init()
344 {
345 // Initialises version 0 of the Forward Multiplicity Detector
346 //
347 AliFMD::Init();
348 fIdSens1=gMC->VolId("GRN1");
349 fIdSens2=gMC->VolId("GRN2");
350 fIdSens3=gMC->VolId("GRN3");
351 fIdSens4=gMC->VolId("GRN4");
352 fIdSens5=gMC->VolId("GRN5");
353 printf("*** FMD version 1 initialized ***\n");
354 }
355
356 //-------------------------------------------------------------------
357
358 void AliFMDv1::StepManager()
359 {
360   //
361   // Called for every step in the Forward Multiplicity Detector
362   //
363   Int_t id,copy,copy1,copy2;
364   static Float_t hits[9];
365   static Int_t vol[3];
366   static Float_t de;
367   TLorentzVector pos;
368   TLorentzVector mom;
369
370
371   TClonesArray &lhits = *fHits;
372   if(!gMC->IsTrackAlive()) return; // particle has disappeared
373
374   Float_t charge = gMC->TrackCharge();
375   if(TMath::Abs(charge)<=0.) return; //take only charged particles
376
377   //  printf(" in StepManeger \n");
378   id=gMC->CurrentVolID(copy);
379   //((TGeant3*)gMC)->Gpcxyz();
380   
381 // Check the sensetive volume
382    if(id==fIdSens1||id==fIdSens2||id==fIdSens3||id==fIdSens4||id==fIdSens5)
383      {
384        if(gMC->IsTrackEntering())
385          {
386            vol[2]=copy;
387            gMC->CurrentVolOffID(1,copy1);
388            vol[1]=copy1;
389            gMC->CurrentVolOffID(2,copy2);
390            vol[0]=copy2;
391
392            gMC->TrackPosition(pos);
393            hits[0]=pos[0];
394            hits[1]=pos[1];
395            hits[2]=pos[2];
396
397            gMC->TrackMomentum(mom);
398            hits[3]=mom[0];
399            hits[4]=mom[1];
400            hits[5]=mom[2];
401
402            Int_t iPart= gMC->TrackPid();
403            Int_t partId=gMC->IdFromPDG(iPart);
404            hits[7]=partId;
405            hits[8]=1e9*gMC->TrackTime();
406            de=0.;
407          }
408        if(gMC->IsTrackInside()){
409            de=de+1000.*gMC->Edep();
410        }
411        
412        if(gMC->IsTrackExiting()
413           ||gMC->IsTrackDisappeared()||
414           gMC->IsTrackStop())
415          {
416              hits[6]=de+1000.*gMC->Edep();
417       new(lhits[fNhits++]) AliFMDhit(fIshunt,gAlice->GetCurrentTrackNumber(),vol,hits);
418          } // IsTrackExiting()
419      }
420   }
421 //--------------------------------------------------------------------------
422
423 void AliFMDv1::Response( Float_t Edep)
424 {
425   Float_t I=1.664*0.04*2.33/22400; // = 0.69e-6;
426   Float_t chargeOnly=Edep/I;
427   //Add noise ~500electrons
428   Int_t charge=500;
429   if (Edep>0)
430      charge=Int_t(gRandom->Gaus(chargeOnly,500));       
431  }   
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