MC-dependent part of AliRun extracted in AliMC (F.Carminati)
[u/mrichter/AliRoot.git] / FMD / AliFMDv0.cxx
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  **************************************************************************/
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 <TGeometry.h>
35 #include <TLorentzVector.h>
36 #include <TMath.h>
37 #include <TNode.h>
38 #include <TTUBE.h>
39 #include <TLorentzVector.h>
40 #include <TVirtualMC.h>
41
42 #include "AliFMDv0.h"
43 #include "AliMagF.h"
44 #include "AliRndm.h"
45 #include "AliRun.h"
46 #include "AliFMDhit.h"
47
48 ClassImp(AliFMDv0)
49
50 //--------------------------------------------------------------------
51 AliFMDv0::AliFMDv0(const char *name, const char *title):
52  AliFMD(name,title)
53 {
54   //
55   // Standart constructor for Forward Multiplicity Detector version 0
56   //
57   fIdSens1=0;
58   fIdSens2=0;
59   fIdSens3=0;
60   fIdSens4=0;
61   fIdSens5=0;
62 //  setBufferSize(128000);
63 }
64 //-------------------------------------------------------------------------
65
66 void AliFMDv0::CreateGeometry()
67 {
68 //
69   // Create the geometry of Forward Multiplicity Detector version 0
70   //
71   //Detector consists of 6 volumes: 
72   // 1st covered pseudorapidity interval from 3.3 to 2.0
73   // and placed on 65cm in Z-direction;
74   // 2nd - from 2.0 to 1.6 and Z=85 cm;
75   // 3d  - the same pseudorapidity interval as the 1st 
76   // but on the other side from the interaction point z=-65cm;
77   // 4th - simmetricaly with the 2nd : 
78   // pseudorapidity from 2.0 to 1.6, Z=-85cm   
79   // 5th - from 3.6 to 4.7, Z=-270cm
80   // 6th - from 4.5 to 5.5 , Z=-630cm.
81   // Each part has 400mkm Si (sensetive area, detector itself),
82   // 0.75cm of plastic simulated electronics material,
83   // Al support ring 2cm thickness and 1cm width placed on 
84   // the outer radius of each Si disk;
85   //    
86   // begin Html
87   /*
88    <img src="gif/AliFMDv0.gif">
89    */
90   //
91
92
93
94   Int_t *idtmed = fIdtmed->GetArray();
95    
96   Int_t ifmd;
97   Int_t idrotm[999];
98   Float_t zFMD,par[3],ppcon[15];
99   Float_t z[5]={-62.8, -75.2, 83.4, 75.2, 340.};
100   Float_t NylonTube[3]={0.2,0.6,0.45};
101   Float_t zPCB=0.12; Float_t zHoneyComb=0.5; 
102   Float_t zSi=0.03;
103  
104   char nameFMD[5], nameSi[5], nameSector[5], nameRing[5];
105   Char_t nameHoney[5], nameHoneyIn[5], nameHoneyOut[5];
106   Char_t namePCB[5], nameCopper[5], nameChips[5], nameG10[5];
107   Char_t nameLPCB[5], nameLCopper[5], nameLChips[5], nameGL10[5];;
108   Float_t rin[5]={4.2,15.4,4.2,15.4,4.2};
109   Float_t rout[5]={17.4,28.4,17.4,28.4,17.4};
110   Float_t RinHoneyComb[5] ={ 5.15,16.4,  5.15,16.4,  5.15};
111   Float_t RoutHoneyComb[5]={20.63,34.92,22.3, 32.02,20.63};
112   Float_t zInside;
113   Float_t zCooper=0.01; Float_t zChips=0.01;
114   Float_t yNylonTube[5]={10,20,10,20,10};
115
116
117   AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0);
118   
119   
120   // Nylon tubes
121    gMC->Gsvolu("GNYL","TUBE", idtmed[1], NylonTube, 3);  //support nylon tube
122    Float_t wideSupport=zSi+3*zPCB+2*NylonTube[2]+zHoneyComb;
123      cout<<" wideSupport "<<wideSupport<<endl;
124
125  for (ifmd=0; ifmd<5; ifmd++)
126     {
127       sprintf(nameFMD,"FMD%d",ifmd+1);
128       ppcon[0]=0;
129       ppcon[1]=360;
130       ppcon[2]=4;
131       
132       ppcon[3]=-wideSupport;
133       ppcon[4]=rin[ifmd]+0.1;
134       ppcon[5]=rout[ifmd]+0.1;
135       
136       ppcon[6]=ppcon[3]+2*zSi+2*zPCB+2*NylonTube[2];
137       ppcon[7]=rin[ifmd]+0.1;
138       ppcon[8]=rout[ifmd]+0.1;
139       
140       ppcon[9]=ppcon[6];
141       ppcon[10]=RinHoneyComb[ifmd]+0.1;
142       ppcon[11]=RoutHoneyComb[ifmd]+0.1;
143
144       ppcon[12]=ppcon[9]+2*zHoneyComb+zPCB;
145       ppcon[13]=RinHoneyComb[ifmd]+0.1;
146       ppcon[14]=RoutHoneyComb[ifmd]+0.1;
147       gMC->Gsvolu(nameFMD,"PCON",idtmed[0],ppcon,15);
148       if (z[ifmd] >0){  
149         zFMD=z[ifmd]+wideSupport;
150         gMC->Gspos(nameFMD,1,"ALIC",0,0,zFMD,0, "ONLY");}
151       else {
152         zFMD=z[ifmd]-wideSupport;
153         gMC->Gspos(nameFMD,1,"ALIC",0,0,zFMD,idrotm[901], "ONLY");}
154      //silicon
155       sprintf(nameSi,"GSI%d",ifmd+1);
156       sprintf(nameSector,"GSC%d",ifmd+1);
157       sprintf(nameRing,"GRN%d",ifmd+1);
158       
159       //honeycomb support
160       sprintf(nameHoney,"GSU%d",ifmd+1);
161       gMC->Gsvolu(nameHoney,"TUBE", idtmed[0], par, 0);  //honeycomb 
162       sprintf(nameHoneyIn,"GHI%d",ifmd+1);
163       gMC->Gsvolu(nameHoneyIn,"TUBE", idtmed[7], par, 0);  //honey comb inside 
164       sprintf(nameHoneyOut,"GHO%d",ifmd+1);
165       gMC->Gsvolu(nameHoneyOut,"TUBE", idtmed[6], par, 0);  //honey comb skin
166       //PCB
167       sprintf(namePCB,"GPC%d",ifmd+1);
168       gMC->Gsvolu(namePCB,"TUBE", idtmed[0], par, 0); //PCB
169       sprintf(nameCopper,"GCO%d",ifmd+1);
170       gMC->Gsvolu(nameCopper,"TUBE", idtmed[3], par, 0);  // Cooper
171       sprintf(nameChips,"GCH%d",ifmd+1);
172       gMC->Gsvolu(nameChips,"TUBE", idtmed[5], par, 0); // Si chips
173       sprintf(nameG10,"G10%d",ifmd+1);
174       gMC->Gsvolu(nameG10,"TUBE", idtmed[2], par, 0);  //G10 plate
175       //last PCB
176       sprintf(nameLPCB,"GPL%d",ifmd+1);
177       gMC->Gsvolu(nameLPCB,"TUBE", idtmed[0], par, 0); //PCB
178       sprintf(nameLCopper,"GCL%d",ifmd+1);
179       gMC->Gsvolu(nameLCopper,"TUBE", idtmed[3], par, 0);  // Cooper
180       sprintf(nameLChips,"GHL%d",ifmd+1);
181       gMC->Gsvolu(nameLChips,"TUBE", idtmed[5], par, 0); // Si chips
182       sprintf(nameGL10,"G1L%d",ifmd+1);
183       gMC->Gsvolu(nameGL10,"TUBE", idtmed[2], par, 0); // Last G10
184       par[0]=rin[ifmd]; // pipe size
185       par[1]=rout[ifmd];
186       par[2]=zSi/2;
187       gMC->Gsvolu(nameSi,"TUBE", idtmed[4], par, 3);
188       zInside=ppcon[3]+par[2];
189        gMC->Gspos(nameSi,ifmd+1,nameFMD,0,0,zInside,0, "ONLY");
190       //PCB 1
191       zInside += par[2]+zPCB/2;
192       par[2]=zPCB/2;
193       gMC->Gsposp(namePCB,1,nameFMD,0,0,zInside,0, "ONLY",par,3);
194       zInside += zPCB;
195       gMC->Gsposp(namePCB,2,nameFMD,0,0,zInside,0, "ONLY",par,3);
196       Float_t NulonTubeBegin=zInside+2.5*zPCB;
197       par[2]=zPCB/2-0.02;
198       Float_t zInPCB = -zPCB/2+par[2];
199       gMC->Gsposp(nameG10,1,namePCB,0,0,zInPCB,0, "ONLY",par,3);
200       zInPCB+=par[2]+zCooper/2 ;
201       par[2]=zCooper/2;
202       gMC->Gsposp(nameCopper,1,namePCB,0,0,zInPCB,0, "ONLY",par,3);
203       zInPCB += zCooper/2 + zChips/2;
204       par[2]=zChips/2;
205       gMC->Gsposp(nameChips,1,namePCB,0,0,zInPCB,0, "ONLY",par,3);
206       //HoneyComb
207       zHoneyComb=0.8;   
208       par[0] = RinHoneyComb[ifmd];
209       par[1] = RoutHoneyComb[ifmd];
210       par[2] = zHoneyComb/2;
211       zInside += 2*NylonTube[2]+par[2];
212       gMC->Gsposp(nameHoney,1,nameFMD,0,0,zInside,0, "ONLY",par,3);
213       par[2]=0.1/2;
214       Float_t zHoney=-zHoneyComb/2+par[2];
215       gMC->Gsposp(nameHoneyOut,1,nameHoney,0,0,zHoney,0,
216                   "ONLY",par,3); //shkurki
217       zHoney=zHoneyComb/2-par[2];
218       gMC->Gsposp(nameHoneyOut,2,nameHoney,0,0,zHoney,0, "ONLY",par,3);
219       par[2]=(zHoneyComb-2.*0.1)/2; //soty vnutri
220       gMC->Gsposp(nameHoneyIn,1,nameHoney,0,0,0,0, "ONLY",par,3);
221       
222       gMC->Gspos("GNYL",1,nameFMD,0,yNylonTube[ifmd],
223                  NulonTubeBegin+NylonTube[2]/2.,0, "ONLY");
224       gMC->Gspos("GNYL",2,nameFMD,0,-yNylonTube[ifmd],
225                  NulonTubeBegin+NylonTube[2]/2.,0, "ONLY");
226          
227       //last PCB
228       par[0]=RoutHoneyComb[ifmd]-9;
229       par[1]=RoutHoneyComb[ifmd];
230       par[2]=zPCB/2;
231       zInside += zHoneyComb/2+par[2];
232       gMC->Gsposp(nameLPCB,1,nameFMD,0,0,zInside,0, "ONLY",par,3);
233       
234        par[2]=zPCB/2-0.02;
235        zInPCB = -zPCB/2+par[2];
236        gMC->Gsposp(nameGL10,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3);
237        zInPCB+=par[2]+zCooper/2 ;
238        par[2]=zCooper/2;
239        gMC->Gsposp(nameLCopper,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3);
240        zInPCB += zCooper/2 + zChips/2;
241        par[2]=zChips/2;
242        gMC->Gsposp(nameLChips,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3);
243       
244            
245      //Granularity
246        fSectorsSi1=20;
247        fRingsSi1=256*2;
248     // fRingsSi1=3; // for drawing only
249        fSectorsSi2=40;
250        fRingsSi2=128*2;
251      //  fRingsSi2=3; //for  drawing onl
252     if(ifmd==1||ifmd==3)
253       { 
254         gMC->Gsdvn(nameSector, nameSi , fSectorsSi2, 2);
255         gMC->Gsdvn(nameRing, nameSector, fRingsSi2, 1);
256       }
257     else
258       {
259         gMC->Gsdvn(nameSector, nameSi , fSectorsSi1, 2);
260         gMC->Gsdvn(nameRing, nameSector , fRingsSi1, 1);
261       }
262     
263     }
264 }    
265
266
267 //------------------------------------------------------------------------
268 void AliFMDv0::CreateMaterials() 
269 {
270  Int_t isxfld   = gAlice->Field()->Integ();
271  Float_t sxmgmx = gAlice->Field()->Max();
272
273  // Plastic CH
274  Float_t aPlastic[2]={1.01,12.01};
275  Float_t zPlastic[2]={1,6};
276  Float_t wPlastic[2]={1,1};
277  Float_t denPlastic=1.03;
278    //
279   //     60% SiO2 , 40% G10FR4 
280  // PC board
281  Float_t apcb[3]  = { 28.0855,15.9994,17.749 };
282  Float_t zpcb[3]  = { 14.,8.,8.875 };
283  Float_t wpcb[3]  = { .28,.32,.4 };
284  Float_t denspcb  = 1.8;
285    //
286  //*** Definition Of avaible FMD materials ***
287  AliMaterial(0, "FMD Air$", 14.61, 7.3, .001205, 30423.,999); 
288  AliMixture(1, "Plastic$",aPlastic,zPlastic,denPlastic,-2,wPlastic);
289  AliMixture(2, "SSD PCB$",   apcb, zpcb, denspcb, 3, wpcb);
290  AliMaterial(3, "SSD Copper$", 63.546, 29., 8.96, 1.43, 999.);
291  AliMaterial(4, "SSD Si$",      28.0855, 14., 2.33, 9.36, 999.);
292  AliMaterial(5, "SSD Si chip$", 28.0855, 14., 2.33, 9.36, 999.);
293  AliMaterial(6, "SSD C$",       12.011,   6., 2.265,18.8, 999.);
294  AliMaterial(7, "SSD Kapton$", 12.011, 6., 0.01, 31.27, 999.);//honeycomb
295   AliMaterial(8, "SSD G10FR4$", 17.749, 8.875, 1.8, 21.822, 999.);
296    
297
298 //**
299  AliMedium(0, "FMD air$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
300  AliMedium(1, "Plastic$", 1, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
301  AliMedium(2, "SSD PCB$", 2, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
302  AliMedium(3, "SSD Copper$", 3, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
303  AliMedium(4, "SSD Si$", 4, 1, isxfld, sxmgmx, 1., .001, 1., .001, .001);
304  AliMedium(5, "SSD Si chip$", 5, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
305  AliMedium(6, "SSD C$", 6, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
306  AliMedium(7, "SSD Kapton$", 7, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
307  AliMedium(8, "SSD G10FR4$", 8, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
308  
309
310
311 }
312 //---------------------------------------------------------------------
313 void AliFMDv0::DrawDetector()
314 {
315 //
316 // Draw a shaded view of the Forward multiplicity detector version 0
317 //
318
319
320 //Set ALIC mother transparent
321 gMC->Gsatt("ALIC","SEEN",0);
322 //
323 //Set volumes visible
324 gMC->Gsatt("FMD0","SEEN",1);
325 gMC->Gsatt("FMD1","SEEN",1);
326 gMC->Gsatt("FMD2","SEEN",1);
327 gMC->Gsatt("FMD3","SEEN",1);
328 gMC->Gsatt("FMD4","SEEN",1);
329 gMC->Gsatt("FMD5","SEEN",1);
330
331 //
332 gMC->Gdopt("hide","on");
333 gMC->Gdopt("shad","on");
334 gMC->SetClipBox(".");
335 gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
336 gMC->DefaultRange();
337 gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
338 gMC->Gdhead(1111,"Forward multiplicity detector");
339 gMC->Gdopt("hide","off");
340 }
341 //-------------------------------------------------------------------
342 void AliFMDv0::Init()
343 {
344 // Initialises version 0 of the Forward Multiplicity Detector
345 //
346 AliFMD::Init();
347 fIdSens1=gMC->VolId("GRN1");
348 fIdSens2=gMC->VolId("GRN2");
349 fIdSens3=gMC->VolId("GRN3");
350 fIdSens4=gMC->VolId("GRN4");
351 fIdSens5=gMC->VolId("GRN5");
352 if (fDebug) printf("*** FMD version 0 initialized ***\n");
353 }
354
355 //-------------------------------------------------------------------
356
357 void AliFMDv0::StepManager()
358 {
359   //
360   // Called for every step in the Forward Multiplicity Detector
361   //
362 }
363