Removal of useless dependecies via forward declarations
[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
35 #include "AliSTARTv1.h"
36 #include "AliRun.h"
37 #include "AliMC.h"
38 #include "AliMagF.h"
39 #include "AliSTARThit.h"
40
41 #include <iostream.h>
42 #include <fstream.h>
43
44 //#include "TGeant3.h"
45 #include <stdlib.h>
46
47 ClassImp(AliSTARTv1)
48
49 //--------------------------------------------------------------------
50 AliSTARTv1::AliSTARTv1(const char *name, const char *title):
51  AliSTART(name,title)
52 {
53   //
54   // Standart constructor for START Detector version 0
55   //
56   fIdSens1=0;
57 //  setBufferSize(128000);
58 }
59 //-------------------------------------------------------------------------
60 void AliSTARTv1::CreateGeometry()
61 {
62   //
63   // Create the geometry of START Detector version 0
64   //
65   // begin Html
66   /*
67    <img src="gif/AliSTARTv0.gif">
68   */
69   //
70
71
72   Int_t *idtmed = fIdtmed->GetArray();
73   
74   Int_t is;
75   Int_t idrotm[999];
76   Float_t x,y,z;
77
78   Float_t pstart[3]={4.5,10.7,5.3};
79   Float_t pinstart[3]={0.,1.3,5.25};
80   Float_t ppmt[3]={0.,1.3,3.5};
81   Float_t pdivider[3]={0.,1.2,1.75};
82   Float_t pdiv2[3]={0.,1.2,1.25};
83   Float_t pdiv1[3]={0.6,1.2,0.5};
84   Float_t ptop[3]={0.,1.3,1.5};
85   Float_t pbot[3]={0.6,1.2,0.1};
86   Float_t pglass[3]={1.2,1.3,2.};
87   Float_t pcer[3]={0.9,1.1,0.09};
88   Float_t psteel[3]={0.9,1.1,0.01};
89   Float_t ppins[3]={0.6,1.2,0.014};
90   Float_t phole[3]={0.6,1.2,0.015};
91   Float_t pknob[3]={0.5,0.6,0.4};
92   Float_t pknob_vac[3]={0.,0.5,0.4};
93   Float_t pknob_bot[3]={0.,0.6,0.05};
94   Float_t pribber[3] = {0.,1.2,2.413/2.};
95   Float_t presist[3] = {0.,1.2,0.087/2.};
96
97   Float_t zdet=75.;
98  //-------------------------------------------------------------------
99  //  START volume 
100  //-------------------------------------------------------------------
101   
102   //  Float_t theta=TMath::ATan(6.5/zdet);
103   Float_t theta=(180./3.1415)*TMath::ATan(6.5/zdet);
104     AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
105     
106     gMC->Gsvolu("STRT","TUBE",idtmed[1],pstart,3);
107     gMC->Gspos("STRT",1,"ALIC",0.,0.,zdet,0,"ONLY");
108     gMC->Gspos("STRT",2,"ALIC",0.,0.,-zdet,idrotm[901],"ONLY");
109
110 //START interior
111     gMC->Gsvolu("INST","TUBE",idtmed[1],pinstart,3);
112     gMC->Gsvolu("PMT ","TUBE",idtmed[3],ppmt,3);     
113     gMC->Gsvolu("DIVI","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.-theta, 30.*is, 
121                   90.,       90.+30.*is,
122                   theta,    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("INST",is,"STRT",x,y,z,idrotm[901+is],"ONLY");
127         printf("z PMT %f\n",z);
128
129         
130         x=0;
131         y=0;
132         z=-pinstart[2]+ppmt[2];
133         printf(" is %d, z Divider %f\n",is,z);
134         gMC->Gspos("PMT ",is,"INST",x,y,z,0,"ONLY");
135         z=pinstart[2]-pdivider[2];
136         gMC->Gspos("DIVI",is,"INST",x,y,z,0,"ONLY");
137       }
138      /*  
139 //second ring: 20 units of Scintillator+PMT+divider
140       Double_t dang2 = 2*TMath::Pi()/26;
141       Double_t dang3 = 2*TMath::Pi()/20;
142        for (is=14; is<=33;is++)  
143      {  
144      x=9.3*TMath::Sin(dang2+(is-13)*dang3);
145      y=9.3*TMath::Cos(dang2+(is-13)*dang3);
146       z=-pstart[2]+ppmt[2];
147       gMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
148       z=z+ppmt[2]+pdiv2[2];
149       gMC->Gspos("DIVI",is,"STRT",x,y,z,0,"ONLY");
150       }
151      */
152 // PMT
153       
154     // Entry window (glass)
155     gMC->Gsvolu("PTOP","TUBE",idtmed[6],ptop,3);
156     z=-ppmt[2]+ptop[2];
157     gMC->Gspos("PTOP",1,"PMT ",0,0,z,0,"ONLY");
158     //     printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]);
159     // Bottom glass
160     gMC->Gsvolu("PBOT","TUBE",idtmed[6],pbot,3);
161     z=ppmt[2]-pbot[2];
162     printf("Z bottom %f\n",z);
163     gMC->Gspos("PBOT",1,"PMT ",0,0,z,0,"ONLY");
164     // Side cylinder glass
165     gMC->Gsvolu("POUT","TUBE",idtmed[6],pglass,3);
166     z=ppmt[2]-pglass[2];
167     //      printf("Z glass %f\n",z);
168     gMC->Gspos("POUT",1,"PMT ",0,0,z,0,"ONLY");
169     //PMT electrodes support structure
170     gMC->Gsvolu("PCER","TUBE",idtmed[4],pcer,3);
171     gMC->Gsvolu("PSTE","TUBE",idtmed[8],psteel,3);
172     z=-ppmt[2]+2*ptop[2]+0.3;;
173     //      printf("Z Cer 1 %f\n",z);
174     for (is=1; is<=15; is++)
175       {
176         z=z+psteel[2]+pcer[2];
177         gMC->Gspos("PCER",is,"PMT",0,0,z,0,"ONLY");
178         z=z+psteel[2]+pcer[2];
179         gMC->Gspos("PSTE",is,"PMT",0,0,z,0,"ONLY");
180       }
181     
182     // Divider
183     // Knob at the bottom of PMT baloon
184     
185     gMC->Gsvolu("KNOB","TUBE",idtmed[6],pknob,3);
186     z=-pdivider[2]+pknob[2];
187     //      printf("zknob %f\n",z);
188     gMC->Gspos("KNOB",1,"DIVI",0,0,z,0,"ONLY");
189     gMC->Gsvolu("KNBO","TUBE",idtmed[6],pknob_bot,3);
190     z=-pdivider[2]+2*pknob[2]+pknob_bot[2];
191     //      printf("knobbot %f\n",z);
192     gMC->Gspos("KNBO",1,"DIVI ",0,0,z,0,"ONLY");
193     gMC->Gsvolu("KNVA","TUBE",idtmed[3],pknob_vac,3);
194     z=-pdivider[2]+pknob_vac[2];
195     //      printf("knobvac %f\n",z);
196     gMC->Gspos("KNVA",1,"DIVI",0,0,z,0,"ONLY");
197     //Steel pins + pin holes
198     gMC->Gsvolu("PINS","TUBE",idtmed[8],ppins,3);
199     z=-pdivider[2]+ppins[2];
200     gMC->Gspos("PINS",1,"DIVI",0,0,z,0,"ONLY");
201     gMC->Gsvolu("HOLE","TUBE",idtmed[11],phole,3);
202     z=-pdivider[2]+2*ppins[2]+phole[2];
203     gMC->Gspos("HOLE",1,"DIVI",0,0,z,0,"ONLY");
204     
205     //Socket
206     gMC->Gsvolu("DIV1","TUBE",idtmed[4],pdiv1,3);
207     z=-pdivider[2]+pdiv1[2];
208     gMC->Gspos("DIV1",1,"DIVI",0,0,z,0,"ONLY");
209     //Resistors
210     gMC->Gsvolu("DIV2","TUBE",idtmed[1],pdiv2,3);
211     z=pdivider[2]-pdiv2[2];
212     gMC->Gspos("DIV2",1,"DIVI",0,0,z,0,"ONLY");
213     gMC->Gsvolu("DRES","TUBE",idtmed[4],presist,3);
214     z=-pdiv2[2]+presist[2];
215     gMC->Gspos("DRES",1,"DIV2",0,0,z,0,"ONLY");
216     gMC->Gsvolu("DRIB","TUBE",idtmed[9],pribber,3);
217     z=pdiv2[2]-pribber[2];
218     gMC->Gspos("DRIB",1,"DIV2",0,0,z,0,"ONLY");
219     //      printf("z DRIB %f\n",z);
220     
221     
222 }    
223 //------------------------------------------------------------------------
224 void AliSTARTv1::CreateMaterials()
225 {
226    Int_t isxfld   = gAlice->Field()->Integ();
227    Float_t sxmgmx = gAlice->Field()->Max();
228    Float_t a,z,d,radl,absl,buf[1];
229    Int_t nbuf;
230
231 // Scintillator CH
232    Float_t ascin[2]={1.01,12.01};
233    Float_t zscin[2]={1,6};
234    Float_t wscin[2]={1,1};
235    Float_t denscin=1.03;
236 // PMT glass SiO2
237    Float_t aglass[2]={28.0855,15.9994};
238    Float_t zglass[2]={14.,8.};
239    Float_t wglass[2]={1.,2.};
240    Float_t dglass=2.65;
241 // Ceramic   97.2% Al2O3 , 2.8% SiO2
242    Float_t acer[2],zcer[2],wcer[2]={0.972,0.028};
243    Float_t aal2o3[2]  = { 26.981539,15.9994 };
244    Float_t zal2o3[2]  = { 13.,8. };
245    Float_t wal2o3[2]  = { 2.,3. };
246    Float_t denscer  = 3.6;
247
248 // Brass 80% Cu, 20% Zn
249    Float_t abrass[2] = {63.546,65.39};
250    Float_t zbrass[2] = {29,30};
251    Float_t wbrass[2] = {0.8,0.2};
252    Float_t denbrass=8.96;
253
254 //Ribber C6H12S
255    Float_t aribber[3] = {12.,1.,32.};
256    Float_t zribber[3] = {6.,1.,16.};
257    Float_t wribber[3] = {6.,12.,1.};
258    Float_t denribber=0.8;
259    /*
260 // Definition Cherenkov parameters
261    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 };
262    Float_t rindex_quarz[14] = { 1.528309,1.533333,
263                                 1.538243,1.544223,1.550568,1.55777,
264                                 1.565463,1.574765,1.584831,1.597027,
265                                 1.611858,1.6277,1.6472,1.6724 };
266  
267    Float_t absco_quarz[14] = { 20.126,16.27,13.49,11.728,9.224,8.38,7.44,7.17,
268                                 6.324,4.483,1.6,.323,.073,0. };
269    */
270     
271 //*** Definition Of avaible START materials ***
272    AliMaterial(0, "START Steel$", 55.850,26.,7.87,1.76,999);
273    AliMaterial(1, "START Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
274    AliMaterial(2, "START Air$", 14.61, 7.3, .001205, 30423.,999); 
275
276    AliMixture( 3, "Al2O3   $", aal2o3, zal2o3, denscer, -2, wal2o3);
277    AliMixture( 4, "PMT glass   $",aglass,zglass,dglass,-2,wglass);
278    char namate[21];
279    gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
280    acer[0]=a;
281    zcer[0]=z;
282    gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
283    acer[1]=a;
284    zcer[1]=z;
285    
286    AliMixture( 9, "Ceramic    $", acer, zcer, denscer, 2, wcer);
287    AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
288    AliMixture( 6, "Brass    $", abrass, zbrass, denbrass, 2, wbrass);
289    
290    AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
291    
292    
293    AliMedium(1, "START Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
294    AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
295    AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
296    AliMedium(4, "Ceramic$", 9, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
297    AliMedium(6, "Glass$", 4, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
298    AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
299    AliMedium(9, "Ribber  $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
300    AliMedium(11, "Brass  $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
301    cout<<"++++++++++++++Medium set++++++++++"<<endl;
302
303 //  geant3->Gsckov(idtmed[2105], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
304
305 }
306 //---------------------------------------------------------------------
307 void AliSTARTv1::DrawDetector()
308 {
309 //
310 // Draw a shaded view of the Forward multiplicity detector version 0
311 //
312   
313   //Set ALIC mother transparent
314   gMC->Gsatt("ALIC","SEEN",0);
315   //
316   //Set volumes visible
317   //  gMC->Gsatt("STRT","SEEN",0);
318   gMC->Gsatt("INST","SEEN",0);
319   gMC->Gsatt("PMT ","SEEN",1);
320   gMC->Gsatt("DIVI","SEEN",1);
321   //
322   gMC->Gdopt("hide","on");
323   gMC->Gdopt("shad","on");
324   gMC->SetClipBox(".");
325   gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
326   gMC->DefaultRange();
327   gMC->Gdraw("alic",40,30,0,12,9.5,.7,0.7);
328   gMC->Gdhead(1111,"T-Zero detector");
329   gMC->Gdopt("hide","off");
330 }
331
332 //-------------------------------------------------------------------
333 void AliSTARTv1::Init()
334 {
335 // Initialises version 0 of the Forward Multiplicity Detector
336 //
337 //Int_t *idtmed  = gAlice->Idtmed();
338   AliSTART::Init();
339   fIdSens1=gMC->VolId("PTOP");
340   printf("*** START version 0 initialized ***\n");
341  
342 }
343
344 //-------------------------------------------------------------------
345
346 void AliSTARTv1::StepManager()
347 {
348   //
349   // Called for every step in the START Detector
350   //
351   Int_t id,copy,copy1;
352   static Float_t hits[7];
353   static Float_t edep;
354   static Int_t vol[2];
355   TLorentzVector pos;
356   
357   TClonesArray &lhits = *fHits;
358   
359   if(!gMC->IsTrackAlive()) return; // particle has disappeared
360   Float_t charge = gMC->TrackCharge();
361   if(TMath::Abs(charge)<=0.) return; //take only charged particles
362   id=gMC->CurrentVolID(copy);
363   
364   
365   //  printf("gMC->ckine->ipart %d",gMC->ckine->ipart);
366   // Check the sensetive volume
367   if(id==fIdSens1 ) {
368     if(gMC->IsTrackEntering()) {
369       gMC->CurrentVolOffID(2,copy);
370       vol[0]=copy;
371       gMC->CurrentVolOffID(1,copy1);
372       vol[1]=copy1;
373       gMC->TrackPosition(pos);
374       hits[0] = pos[0];
375       hits[1] = pos[1];
376       hits[2] = pos[2];
377       Float_t etot=gMC->Etot();
378       hits[4]=etot;
379       Int_t iPart= gMC->TrackPid();
380       Int_t partID=gMC->IdFromPDG(iPart);
381       hits[5]=partID;
382       Float_t ttime=gMC->TrackTime();
383       hits[6]=ttime*1e9;
384       edep=0;
385     }
386     if(gMC->IsTrackInside())    {
387       Float_t de=gMC->Edep(); 
388       edep=edep+de;
389       //       printf ("E deposition %f\n",edep);
390       //    for (i=0; i<=6; i++){
391       //    printf(" HITS on START inside %f\n",hits[i]); } 
392     }
393     if(gMC->IsTrackExiting())   {
394       Float_t de=gMC->Edep(); 
395       edep=edep+de;
396       hits[3]=edep*1e3;
397       Int_t i;
398       for (i=0; i<=6; i++){
399         printf(" HITS on START Exit %f\n",hits[i]); } 
400       //      for (i=0; i<=1; i++) { printf("START vol %d\n",vol[i]);}
401      
402       new(lhits[fNhits++]) AliSTARThit(fIshunt,gAlice->CurrentTrack(),vol,hits);      
403     }
404   }
405 //---------------------------------------------------------------------
406 }
407
408
409
410
411
412
413
414
415