Changes to compile with Root6 on macosx64
[u/mrichter/AliRoot.git] / FIT / AliFITv0.cxx
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c1c44db3 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: AliT0v1.cxx 50646 2011-07-18 14:40:16Z alla $ */
17
18/////////////////////////////////////////////////////////////////////
19// //
20// T0 ( T-zero) detector version 1 //
21//
22//Begin Html
23/*
24<img src="gif/AliT0v1Class.gif">
25*/
26//End Html
27// //
28// //
29//////////////////////////////////////////////////////////////////////
30
31#include <Riostream.h>
32#include <stdlib.h>
33
34#include "TGeoCompositeShape.h"
35#include "TGeoManager.h"
36#include "TGeoMatrix.h"
37#include "TGeoVolume.h"
38#include "TGeoTube.h"
39#include "TGeoBBox.h"
40#include "TGeoNode.h"
41
42
43#include <TGeoGlobalMagField.h>
44#include <TGraph.h>
45#include <TLorentzVector.h>
46#include <TMath.h>
47#include <TVirtualMC.h>
48#include <TString.h>
49
50#include "AliLog.h"
51#include "AliMagF.h"
52#include "AliRun.h"
53
54#include "AliFITHits.h"
55#include "AliFITv0.h"
56
57#include "AliMC.h"
58#include "AliCDBLocal.h"
59#include "AliCDBStorage.h"
60#include "AliCDBManager.h"
61#include "AliCDBEntry.h"
62#include "AliTrackReference.h"
63
64ClassImp(AliFITv0)
65
66
67//--------------------------------------------------------------------
68AliFITv0::AliFITv0(): AliFIT(),
69 fIdSens1(0)
70
71{
72 //
73 // Standart constructor for T0 Detector version 0
74}
75//--------------------------------------------------------------------
76AliFITv0::AliFITv0(const char *name, const char *title):
77 AliFIT(name,title),
78 fIdSens1(0)
79{
80 //
81 // Standart constructor for T0 Detector version 0
82 //
83 printf("@@@@@@@@@@@@@@@ AliFITv0::AliFITv0 \n");
84 fIshunt = 2;
85}
86//_____________________________________________________________________________
87
88AliFITv0::~AliFITv0()
89{
90 // desctructor
91}
92
93//-------------------------------------------------------------------------
94void AliFITv0::CreateGeometry()
95{
96 //
97 // Create the geometry of FIT Detector version 1 full geometry
98 //
99 // begin Html
100 //
101
102 printf("@@@@@@@@@@@ AliFITv0::CreateGeometry\n");
103 Int_t *idtmed = fIdtmed->GetArray();
104 /*
105 TGeoMedium* kMedAir = gGeoManager->GetMedium("T0_AIR");
106 TGeoMedium* kMedMCPGlass = gGeoManager->GetMedium("T0_glass");
107 TGeoMedium* kMedOptGlass = gGeoManager->GetMedium("T0_OpticalGlass");
108 TGeoMedium* kMedOptGlassCathode = gGeoManager->GetMedium("T0_OpticalGlassCathode");
109 */
110 Float_t zdetC = 80;
111 Float_t zdetA = 373.;
112 Int_t idrotm[999];
113 Double_t x,y,z;
114 Float_t pstart[3] = {6, 20 ,2.6};
115 Float_t pinstart[3] = {3,3,2.55};
116 Float_t pmcp[3] = {2.95, 2.95, 1.5}; //MCP
117 Float_t ptop[3] = {1.324, 1.324, 1.};//cherenkov radiator
118 Float_t preg[3] = {1.324, 1.324, 0.05};//photcathode
119
120 AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
121
122 //-------------------------------------------------------------------
123 // T0 volume
124 //-------------------------------------------------------------------
125
126 Float_t x1[20] = {9, 9, 15 ,15 , 9,
127 3, -3, 3, -3, -9,
128 -9, -9, -15, -15, -9,
129 -3, 3, -3, 3, 9};
130
131 Float_t y1[20] = {3.2, -3.2, 3.2, -3.2, -9.2,
132 -9, -9, -15, -15, -9.2,
133 -3.2, 3.2, -3.2, 3.2, 9.2,
134 9, 9, 15, 15, 9.2};
135
136
137 //mother tube
2942f542 138 TVirtualMC::GetMC()->Gsvolu("0STR","TUBE",idtmed[kAir],pstart,18);
139 TVirtualMC::GetMC()->Gspos("0STR",1,"ALIC",0.,0.,-zdetC-pstart[2],idrotm[901],"ONLY");
140 TVirtualMC::GetMC()->Gspos("0STR",2,"ALIC",0.,0.,zdetA+pstart[2],0,"ONLY");
c1c44db3 141
142 //T0 interior
2942f542 143 TVirtualMC::GetMC()->Gsvolu("0INS","BOX",idtmed[kAir],pinstart,3);
c1c44db3 144 z=-pstart[2]+pinstart[2];
145 for (Int_t is=0; is<20; is++) {
2942f542 146 TVirtualMC::GetMC()->Gspos ("0INS", is + 1, "0STR", x1[is], y1[is], z, 0, "ONLY");
147 TVirtualMC::GetMC()->Gspos ("0INS", is + 21, "0STR", x1[is], y1[is], z, 0, "ONLY");
c1c44db3 148 printf(" 0INS is %i x %f y %f z %f \n",is, x1[is],y1[is], z);
149 }
150 //
151 x=y=0;
152 // Entry window (glass)
2942f542 153 TVirtualMC::GetMC()->Gsvolu("0TOP","BOX",idtmed[kAir],ptop,3); //glass
154 TVirtualMC::GetMC()->Gsvolu ("0REG", "BOX", idtmed[kSensAir], preg, 3);
155 TVirtualMC::GetMC()->Gsvolu("0MCP","BOX",idtmed[kGlass],pmcp,3); //glass
c1c44db3 156 Int_t ntops=0;
157 Float_t xin=0, yin=0;
158 for (Int_t ix=0; ix<4; ix++) {
159 xin = - pinstart[0] + 0.35 + (ix+0.5)*2*ptop[0] ;
160 for (Int_t iy=0; iy<4; iy++) {
161 z = - pinstart[2]+ptop[2];
162 yin = - pinstart[1] + 0.35 + (iy+0.5)*2*ptop[1];
163 ntops++;
2942f542 164 TVirtualMC::GetMC()->Gspos("0TOP",ntops,"0INS",xin,yin,z,0,"ONLY");
c1c44db3 165 // printf(" 0TOP full x %f y %f z %f \n", xin, yin, z);
166 z = -pinstart[2] + 2 * ptop[2] + preg[2];
2942f542 167 TVirtualMC::GetMC()->Gspos ("0REG",ntops, "0INS", xin, yin, z, 0, "ONLY");
c1c44db3 168 printf(" GEOGEO %i %i %i %f %f %f %f %f %f", ntops, ix, iy,
169 xin,yin,x1[ntops],y1[ntops],x1[ntops]+xin,y1[ntops]+yin);
170 }
171 }
172
173 // MCP
174 // TGeoVolume* mcp = gGeoManager->MakeBox("0MCP",kMedMCPGlass, 2.95, 2.95, 1.5);
175 z=-pinstart[2] + 2*ptop[2] + 2*preg[2] + pmcp[2];
2942f542 176 TVirtualMC::GetMC()->Gspos("0MCP",1,"0INS",0,0,z,0,"ONLY");
c1c44db3 177
178}
179//------------------------------------------------------------------------
180void AliFITv0::AddAlignableVolumes() const
181{
182 //
183 // Create entries for alignable volumes associating the symbolic volume
184 // name with the corresponding volume path. Needs to be syncronized with
185 // eventual changes in the geometry.
186 //
187 printf("@@@@@@@@@@@@@@@AliFITv0::AddAlignableVolumes()\n");
188 TString volPath;
189 TString symName, sn;
190 TString vpAalign = "/ALIC_1/0STR_1";
191 TString vpCalign = "/ALIC_1/0STR_2";
192 for (Int_t imod=0; imod<2; imod++) {
193 if (imod==0) {volPath = vpCalign; symName="/ALIC_1/0STR_1"; }
194 if (imod==1) {volPath = vpAalign; symName="/ALIC_1/0STR_2"; }
195
196 AliDebug(2,"--------------------------------------------");
197 AliDebug(2,Form("volPath=%s\n",volPath.Data()));
198 AliDebug(2,Form("symName=%s\n",symName.Data()));
199 AliDebug(2,"--------------------------------------------");
200 if(!gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data()))
201 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid",
202symName.Data(),volPath.Data()));
203 }
204}
205//------------------------------------------------------------------------
206void AliFITv0::CreateMaterials()
207{
208
209 printf("@@@@@@@@@@@@AliFITv0::CreateMaterials\n");
210 Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
211 Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
212 // Float_t a,z,d,radl,absl,buf[1];
213 // Int_t nbuf;
214// AIR
215
216 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
217 Float_t zAir[4]={6.,7.,8.,18.};
218 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
219 Float_t dAir = 1.20479E-3;
220 Float_t dAir1 = 1.20479E-11;
221
222 // PMT glass SiO2
223 Float_t aglass[2]={28.0855,15.9994};
224 Float_t zglass[2]={14.,8.};
225 Float_t wglass[2]={1.,2.};
226 Float_t dglass=2.65;
227
228
229//*** Definition Of avaible T0 materials ***
230 AliMixture(1, "Vacuum$", aAir, zAir, dAir1,4,wAir);
231 AliMixture(2, "Air$", aAir, zAir, dAir,4,wAir);
232 AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass);
233
234 AliMedium(1, "FIT_Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
235 AliMedium(22, "FIT_AirSens$", 2, 1, isxfld, sxmgmx, 10., .1, 1., .003, .003);
236 AliMedium(3, "FIT_Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
237 AliMedium(6, "Glass$", 4, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
238
239 AliDebugClass(1,": ++++++++++++++Medium set++++++++++");
240
241
242}
243
244
245//-------------------------------------------------------------------
246void AliFITv0::Init()
247{
248 // Initialises version 0 of the Forward Multiplicity Detector
249 //
250 AliFIT::Init();
2942f542 251 fIdSens1=TVirtualMC::GetMC()->VolId("0REG");
c1c44db3 252
253 AliDebug(1,Form("%s: *** FIT version 0 initialized ***\n",ClassName()));
254}
255
256//-------------------------------------------------------------------
257
258void AliFITv0::StepManager()
259{
260 //
261 // Called for every step in the T0 Detector
262 //
263 Int_t id,copy,copy1;
264 static Float_t hits[6];
265 static Int_t vol[3];
266 TLorentzVector pos;
267 TLorentzVector mom;
268
269 // TClonesArray &lhits = *fHits;
270
2942f542 271 if(!TVirtualMC::GetMC()->IsTrackAlive()) return; // particle has disappeared
c1c44db3 272
2942f542 273 id=TVirtualMC::GetMC()->CurrentVolID(copy);
c1c44db3 274 // Check the sensetive volume
275 if(id==fIdSens1 ) {
2942f542 276 if(TVirtualMC::GetMC()->IsTrackEntering()) {
277 TVirtualMC::GetMC()->CurrentVolOffID(1,copy1);
c1c44db3 278 vol[1] = copy1;
279 vol[0]=copy;
2942f542 280 TVirtualMC::GetMC()->TrackPosition(pos);
c1c44db3 281 hits[0] = pos[0];
282 hits[1] = pos[1];
283 hits[2] = pos[2];
284 if(pos[2]<0) vol[2] = 0;
285 else vol[2] = 1 ;
286 printf(" volumes pmt %i mcp %i side %i x %f y %f z %f\n", vol[0], vol[1], vol[2], hits[0], hits[1], hits[2] );
287
2942f542 288 Float_t etot=TVirtualMC::GetMC()->Etot();
c1c44db3 289 hits[3]=etot;
2942f542 290 Int_t iPart= TVirtualMC::GetMC()->TrackPid();
291 Int_t partID=TVirtualMC::GetMC()->IdFromPDG(iPart);
c1c44db3 292 hits[4]=partID;
2942f542 293 Float_t ttime=TVirtualMC::GetMC()->TrackTime();
c1c44db3 294 hits[5]=ttime*1e12;
295 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol,hits);
296 // Create a track reference at the exit of photocatode
297 }
298
299 //charge particle
2942f542 300 if ( TVirtualMC::GetMC()->TrackCharge() )
c1c44db3 301 AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kFIT);
302 } //sensitive
303
304}
305