Removing AliMC and AliMCProcess
[u/mrichter/AliRoot.git] / START / AliSTARTv1.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
17 /////////////////////////////////////////////////////////////////////
18 //                                                                 //
19 // START ( T-zero) detector  version 1                             //
20 //
21 //Begin Html       
22 /*
23 <img src="gif/AliSTARTv1Class.gif">
24 */
25 //End Html
26 //                                                                  //
27 //                                                                  //
28 //////////////////////////////////////////////////////////////////////
29
30 #include <TMath.h>
31 #include <TGeometry.h>
32 #include <TTUBE.h>
33 #include <TNode.h>
34 #include <TLorentzVector.h>
35
36 #include "AliSTARTv1.h"
37 #include "AliRun.h"
38 #include "AliMagF.h"
39 #include "AliSTARThit.h"
40
41 #include <Riostream.h>
42
43 #include <stdlib.h>
44
45 ClassImp(AliSTARTv1)
46
47 //--------------------------------------------------------------------
48 AliSTARTv1::AliSTARTv1(const char *name, const char *title):
49  AliSTART(name,title)
50 {
51   //
52   // Standart constructor for START Detector version 0
53   //
54   fIdSens1=0;
55 //  setBufferSize(128000);
56 }
57 //-------------------------------------------------------------------------
58 void AliSTARTv1::CreateGeometry()
59 {
60   //
61   // Create the geometry of START Detector version 0
62   //
63   // begin Html
64   /*
65    <img src="gif/AliSTARTv0.gif">
66   */
67   //
68
69
70   Int_t *idtmed = fIdtmed->GetArray();
71   
72   Int_t is;
73   Int_t idrotm[999];
74   Float_t x,y,z;
75
76   Float_t pstart[3]={4.5,10.7,5.3};
77   Float_t pinstart[3]={0.,1.3,5.25};
78   Float_t ppmt[3]={0.,1.3,3.5};
79   Float_t pdivider[3]={0.,1.2,1.75};
80   Float_t pdiv2[3]={0.,1.2,1.25};
81   Float_t pdiv1[3]={0.6,1.2,0.5};
82   Float_t ptop[3]={0.,1.3,1.5};
83   Float_t pbot[3]={0.6,1.2,0.1};
84   Float_t pglass[3]={1.2,1.3,2.};
85   Float_t pcer[3]={0.9,1.1,0.09};
86   Float_t psteel[3]={0.9,1.1,0.01};
87   Float_t ppins[3]={0.6,1.2,0.014};
88   Float_t phole[3]={0.6,1.2,0.015};
89   Float_t pknob[3]={0.5,0.6,0.4};
90   Float_t pknob_vac[3]={0.,0.5,0.4};
91   Float_t pknob_bot[3]={0.,0.6,0.05};
92   Float_t pribber[3] = {0.,1.2,2.413/2.};
93   Float_t presist[3] = {0.,1.2,0.087/2.};
94
95   Float_t zdetRight=69.7,zdetLeft=350;
96  //-------------------------------------------------------------------
97  //  START volume 
98  //-------------------------------------------------------------------
99   
100   //  Float_t theta=TMath::ATan(6.5/zdet);
101   Float_t thetaRight=(180./3.1415)*TMath::ATan(6.5/zdetRight);
102   Float_t thetaLeft=(180./3.1415)*TMath::ATan(6.5/zdetLeft);
103     AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
104     
105     gMC->Gsvolu("0STR","TUBE",idtmed[1],pstart,3);
106     gMC->Gsvolu("0STL","TUBE",idtmed[1],pstart,3);
107     gMC->Gspos("0STR",1,"ALIC",0.,0.,zdetRight+pstart[2],0,"ONLY");
108     gMC->Gspos("0STL",1,"ALIC",0.,0.,-zdetLeft-pstart[2],idrotm[901],"ONLY");
109
110 //START interior
111     gMC->Gsvolu("0INS","TUBE",idtmed[1],pinstart,3);
112     gMC->Gsvolu("0PMT","TUBE",idtmed[3],ppmt,3);     
113     gMC->Gsvolu("0DIV","TUBE",idtmed[3],pdivider,3);     
114
115 // first ring: 12 units of Scintillator+PMT+divider
116     Double_t dang1 = 2*TMath::Pi()/12;
117     for (is=1; is<=12; is++)
118       {  
119         AliMatrix(idrotm[901+is], 
120                   90.-thetaRight, 30.*is, 
121                   90.,       90.+30.*is,
122                   thetaRight,    180.+30.*is); 
123         x=6.5*TMath::Sin(is*dang1);
124         y=6.5*TMath::Cos(is*dang1);
125         z=-pstart[2]+pinstart[2];
126         gMC->Gspos("0INS",is,"0STR",x,y,z,idrotm[901+is],"ONLY");
127
128       } 
129     for (is=1; is<=12; is++)
130       {
131         AliMatrix(idrotm[901+is],
132                   90.-thetaLeft, 30.*is,
133                   90.,       90.+30.*is,
134                   thetaLeft,    180.+30.*is);
135
136         x=6.5*TMath::Sin(is*dang1);
137         y=6.5*TMath::Cos(is*dang1);
138         z=-pstart[2]+pinstart[2];
139         gMC->Gspos("0INS",is,"0STL",x,y,z,idrotm[901+is],"ONLY");
140
141       }
142      x=0;
143     y=0;
144     z=-pinstart[2]+ppmt[2];
145     if(fDebug) printf("%s: is %d, z Divider %f\n",ClassName(),is,z);
146     gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY");
147     z=pinstart[2]-pdivider[2];
148     gMC->Gspos("0DIV",1,"0INS",x,y,z,0,"ONLY");
149       
150      /*  
151 //second ring: 20 units of Scintillator+PMT+divider
152       Double_t dang2 = 2*TMath::Pi()/26;
153       Double_t dang3 = 2*TMath::Pi()/20;
154        for (is=14; is<=33;is++)  
155      {  
156      x=9.3*TMath::Sin(dang2+(is-13)*dang3);
157      y=9.3*TMath::Cos(dang2+(is-13)*dang3);
158       z=-pstart[2]+ppmt[2];
159       gMC->Gspos("0PMT",is,"0STA",x,y,z,0,"ONLY");
160       z=z+ppmt[2]+pdiv2[2];
161       gMC->Gspos("0DIV",is,"0STA",x,y,z,0,"ONLY");
162       }
163      */
164 // PMT
165       
166     // Entry window (glass)
167     gMC->Gsvolu("0TOP","TUBE",idtmed[6],ptop,3); //glass
168      //   gMC->Gsvolu("0TOP","TUBE",idtmed[12],ptop,3); //lucite
169      z=-ppmt[2]+ptop[2];
170     gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY");
171     //     printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]);
172     
173     // Bottom glass
174     gMC->Gsvolu("0BOT","TUBE",idtmed[6],pbot,3);
175     z=ppmt[2]-pbot[2];
176     if(fDebug) printf("%s: Z bottom %f\n",ClassName(),z);
177     gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY");
178     // Side cylinder glass
179     gMC->Gsvolu("0OUT","TUBE",idtmed[6],pglass,3);
180     z=ppmt[2]-pglass[2];
181     //      printf("Z glass %f\n",z);
182     gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY");
183     //PMT electrodes support structure
184     gMC->Gsvolu("0CER","TUBE",idtmed[4],pcer,3);
185     gMC->Gsvolu("0STE","TUBE",idtmed[8],psteel,3);
186     z=-ppmt[2]+2*ptop[2]+0.3;;
187     //      printf("Z Cer 1 %f\n",z);
188     for (is=1; is<=15; is++)
189       {
190         z=z+psteel[2]+pcer[2];
191         gMC->Gspos("0CER",is,"0PMT",0,0,z,0,"ONLY");
192         z=z+psteel[2]+pcer[2];
193         gMC->Gspos("0STE",is,"0PMT",0,0,z,0,"ONLY");
194       }
195     
196     // Divider
197     // Knob at the bottom of PMT baloon
198     
199     gMC->Gsvolu("0NB","TUBE",idtmed[6],pknob,3);
200     z=-pdivider[2]+pknob[2];
201     //      printf("zknob %f\n",z);
202     gMC->Gspos("0NB",1,"0DIV",0,0,z,0,"ONLY");
203     gMC->Gsvolu("0KB","TUBE",idtmed[6],pknob_bot,3);
204     z=-pdivider[2]+2*pknob[2]+pknob_bot[2];
205     //      printf(knobbot %f\n",z);
206     gMC->Gspos("0KB",1,"0DIV ",0,0,z,0,"ONLY");
207     gMC->Gsvolu("0VAC","TUBE",idtmed[3],pknob_vac,3);
208     z=-pdivider[2]+pknob_vac[2];
209     //      printf("knobvac %f\n",z);
210     gMC->Gspos("0VAC",1,"0DIV",0,0,z,0,"ONLY");
211     //Steel pins + pin holes
212     gMC->Gsvolu("0PIN","TUBE",idtmed[8],ppins,3);
213     z=-pdivider[2]+ppins[2];
214     gMC->Gspos("0PIN",1,"0DIV",0,0,z,0,"ONLY");
215     gMC->Gsvolu("0HOL","TUBE",idtmed[11],phole,3);
216     z=-pdivider[2]+2*ppins[2]+phole[2];
217     gMC->Gspos("0HOL",1,"0DIV",0,0,z,0,"ONLY");
218     
219     //Socket
220     gMC->Gsvolu("0V1","TUBE",idtmed[4],pdiv1,3);
221     z=-pdivider[2]+pdiv1[2];
222     gMC->Gspos("0V1",1,"0DIV",0,0,z,0,"ONLY");
223     //Resistors
224     gMC->Gsvolu("0V2","TUBE",idtmed[1],pdiv2,3);
225     z=pdivider[2]-pdiv2[2];
226     gMC->Gspos("0V2",1,"0DIV",0,0,z,0,"ONLY");
227     gMC->Gsvolu("0RS","TUBE",idtmed[4],presist,3);
228     z=-pdiv2[2]+presist[2];
229     gMC->Gspos("0RS",1,"0V2",0,0,z,0,"ONLY");
230     gMC->Gsvolu("0RB","TUBE",idtmed[9],pribber,3);
231     z=pdiv2[2]-pribber[2];
232     gMC->Gspos("0RB",1,"0V2",0,0,z,0,"ONLY");
233     //      printf("z DRIB %f\n",z);
234        
235     
236 }    
237 //------------------------------------------------------------------------
238 void AliSTARTv1::CreateMaterials()
239 {
240    Int_t isxfld   = gAlice->Field()->Integ();
241    Float_t sxmgmx = gAlice->Field()->Max();
242    Float_t a,z,d,radl,absl,buf[1];
243    Int_t nbuf;
244
245 // Scintillator CH
246    Float_t ascin[2]={1.01,12.01};
247    Float_t zscin[2]={1,6};
248    Float_t wscin[2]={1,1};
249    Float_t denscin=1.03;
250 //Lucite C(CH3)CO2CH3
251    Float_t alucite[3]={1.01,12.01,15.999};
252    Float_t zlucite[3]={1,6,8};
253    Float_t wlucite[3]={8,5,2};
254    Float_t denlucite=1.16;
255  // PMT glass SiO2
256    Float_t aglass[2]={28.0855,15.9994};
257    Float_t zglass[2]={14.,8.};
258    Float_t wglass[2]={1.,2.};
259    Float_t dglass=2.65;
260 // Ceramic   97.2% Al2O3 , 2.8% SiO2
261    Float_t acer[2],zcer[2],wcer[2]={0.972,0.028};
262    Float_t aal2o3[2]  = { 26.981539,15.9994 };
263    Float_t zal2o3[2]  = { 13.,8. };
264    Float_t wal2o3[2]  = { 2.,3. };
265    Float_t denscer  = 3.6;
266
267 // Brass 80% Cu, 20% Zn
268    Float_t abrass[2] = {63.546,65.39};
269    Float_t zbrass[2] = {29,30};
270    Float_t wbrass[2] = {0.8,0.2};
271    Float_t denbrass=8.96;
272
273 //Ribber C6H12S
274    Float_t aribber[3] = {12.,1.,32.};
275    Float_t zribber[3] = {6.,1.,16.};
276    Float_t wribber[3] = {6.,12.,1.};
277    Float_t denribber=0.8;
278    /*
279 // Definition Cherenkov parameters
280    Float_t ppckov[14] = { 5.63e-9,5.77e-9,5.9e-9,6.05e-9,6.2e-9,6.36e-9,6.52e-9,6.7e-9,6.88e-9,7.08e-9,7.3e-9,7.51e-9,7.74e-9,8e-9 };
281    Float_t rindex_quarz[14] = { 1.528309,1.533333,
282                                 1.538243,1.544223,1.550568,1.55777,
283                                 1.565463,1.574765,1.584831,1.597027,
284                                 1.611858,1.6277,1.6472,1.6724 };
285  
286    Float_t absco_quarz[14] = { 20.126,16.27,13.49,11.728,9.224,8.38,7.44,7.17,
287                                 6.324,4.483,1.6,.323,.073,0. };
288    */
289     
290 //*** Definition Of avaible START materials ***
291    AliMaterial(0, "START Steel$", 55.850,26.,7.87,1.76,999);
292    AliMaterial(1, "START Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
293    AliMaterial(2, "START Air$", 14.61, 7.3, .001205, 30423.,999); 
294
295    AliMixture( 3, "Al2O3   $", aal2o3, zal2o3, denscer, -2, wal2o3);
296    AliMixture( 4, "PMT glass   $",aglass,zglass,dglass,-2,wglass);
297    char namate[21];
298    gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
299    acer[0]=a;
300    zcer[0]=z;
301    gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
302    acer[1]=a;
303    zcer[1]=z;
304    
305    AliMixture( 9, "Ceramic    $", acer, zcer, denscer, 2, wcer);
306    AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
307    AliMixture( 6, "Brass    $", abrass, zbrass, denbrass, 2, wbrass);
308    
309    AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
310    AliMixture( 8, "Lucite$",alucite,zlucite,denlucite,-3,wlucite);
311    
312    
313    AliMedium(1, "START Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
314    AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
315    AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
316    AliMedium(4, "Ceramic$", 9, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
317    AliMedium(6, "Glass$", 4, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
318    AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
319    AliMedium(9, "Ribber  $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
320    AliMedium(11, "Brass  $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
321    AliMedium(12, "Lucite$", 8, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);  
322
323    if(fDebug) cout<<ClassName()<<": ++++++++++++++Medium set++++++++++"<<endl;
324
325 //  geant3->Gsckov(idtmed[2105], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
326
327 }
328 //---------------------------------------------------------------------
329 void AliSTARTv1::DrawDetector()
330 {
331 //
332 // Draw a shaded view of the Forward multiplicity detector version 0
333 //
334   
335   //Set ALIC mother transparent
336   gMC->Gsatt("ALIC","SEEN",0);
337   //
338   //Set volumes visible
339   //  gMC->Gsatt("0ST","SEEN",0);
340   gMC->Gsatt("0INS","SEEN",0);
341   gMC->Gsatt("0PMT","SEEN",1);
342   gMC->Gsatt("0DIV","SEEN",1);
343   //
344   gMC->Gdopt("hide","on");
345   gMC->Gdopt("shad","on");
346   gMC->SetClipBox(".");
347   gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
348   gMC->DefaultRange();
349   gMC->Gdraw("alic",40,30,0,12,9.5,.7,0.7);
350   gMC->Gdhead(1111,"T-Zero detector");
351   gMC->Gdopt("hide","off");
352 }
353
354 //-------------------------------------------------------------------
355 void AliSTARTv1::Init()
356 {
357 // Initialises version 0 of the Forward Multiplicity Detector
358 //
359 //Int_t *idtmed  = gAlice->Idtmed();
360   AliSTART::Init();
361   fIdSens1=gMC->VolId("0TOP");
362   if(fDebug) printf("%s: *** START version 0 initialized ***\n",ClassName());
363  
364 }
365
366 //-------------------------------------------------------------------
367
368 void AliSTARTv1::StepManager()
369 {
370   //
371   // Called for every step in the START Detector
372   //
373   Int_t id,copy,copy1;
374   static Float_t hits[7];
375   static Float_t edep;
376   static Int_t vol[2];
377   TLorentzVector pos;
378   
379   TClonesArray &lhits = *fHits;
380   
381   if(!gMC->IsTrackAlive()) return; // particle has disappeared
382   //  Float_t charge = gMC->TrackCharge();
383   //  if(TMath::Abs(charge)<=0.) return; //take only charged particles
384   id=gMC->CurrentVolID(copy);
385   
386   
387    // Check the sensetive volume
388   if(id==fIdSens1 ) {
389     if(gMC->IsTrackEntering()) {
390       gMC->CurrentVolOffID(2,copy);
391       vol[1]=copy;
392       gMC->CurrentVolOffID(3,copy1);
393       vol[0]=copy1;
394
395       gMC->TrackPosition(pos);
396       hits[0] = pos[0];
397       hits[1] = pos[1];
398       hits[2] = pos[2];
399       if(pos[2]<0) vol[0]=2;
400       if(pos[2]>=0) vol[0]=1;
401      
402       Float_t etot=gMC->Etot();
403       hits[4]=etot;
404       Int_t iPart= gMC->TrackPid();
405       Int_t partID=gMC->IdFromPDG(iPart);
406       hits[5]=partID;
407       Float_t ttime=gMC->TrackTime();
408       hits[6]=ttime*1e9;
409       edep=0;
410     }
411     if(gMC->IsTrackInside())    {
412       Float_t de=gMC->Edep(); 
413       edep=edep+de;
414     } 
415   
416     if(gMC->IsTrackExiting())   {
417       Float_t de=gMC->Edep(); 
418       edep=edep+de;
419       hits[3]=edep*1e3;
420       new(lhits[fNhits++]) AliSTARThit(fIshunt,gAlice->CurrentTrack(),vol,hits);      
421     }
422   }
423 //---------------------------------------------------------------------
424 }
425
426
427
428
429
430
431
432
433