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fe4da5cc | 1 | ///////////////////////////////////////////////////////// |
2 | // Manager and hits classes for set:PHOS version 1 // | |
3 | ///////////////////////////////////////////////////////// | |
4 | ||
5 | // --- ROOT system --- | |
6 | #include "TH1.h" | |
7 | #include "TRandom.h" | |
8 | #include "TFile.h" | |
9 | #include "TTree.h" | |
10 | #include "TBRIK.h" | |
11 | #include "TNode.h" | |
12 | ||
13 | // --- galice header files --- | |
14 | #include "AliPHOSv1.h" | |
15 | #include "AliRun.h" | |
16 | #include "TGeant3.h" | |
17 | ||
18 | ClassImp(AliPHOSv1) | |
19 | ||
20 | //______________________________________________________________________________ | |
21 | ||
22 | ||
23 | AliPHOSv1::AliPHOSv1() : AliPHOS() | |
24 | { | |
25 | } | |
26 | ||
27 | //______________________________________________________________________________ | |
28 | ||
29 | AliPHOSv1::AliPHOSv1(const char *name, const char *title) | |
30 | : AliPHOS(name, title) | |
31 | { | |
32 | } | |
33 | ||
34 | //___________________________________________ | |
35 | void AliPHOSv1::CreateGeometry() | |
36 | { | |
37 | ||
38 | AliMC* pMC = AliMC::GetMC(); | |
39 | ||
6435828c | 40 | AliPHOS *PHOS_tmp = (AliPHOS*)gAlice->GetModule("PHOS"); |
fe4da5cc | 41 | if( NULL==PHOS_tmp ) |
42 | { | |
43 | printf("There isn't PHOS detector!\n"); | |
44 | return; | |
45 | } | |
46 | // AliPHOS &PHOS = *PHOS_tmp; | |
47 | ||
48 | ////////////////////////////////////////////////////////////////////////////// | |
49 | ||
50 | Int_t rotation_matrix_number=0; | |
51 | Float_t par[11], | |
52 | x,y,z; | |
53 | ||
54 | const float cell_length = GetCrystalLength()+GetAirThickness()+GetWrapThickness()+GetPIN_Length(), | |
55 | cell_side_size = GetCrystalSideSize()+2*GetAirThickness()+2*GetWrapThickness(), | |
56 | // cell_angle = 180/M_PI * 2 * atan(cell_side_size/2 / GetRadius()), // radians | |
57 | cradle_thikness = cell_length + GetCPV_Thickness() + GetCPV_PHOS_Distance(), | |
58 | distance_to_CPV = GetRadius() - GetCPV_Thickness() - GetCPV_PHOS_Distance(); | |
59 | ||
60 | ////////////////////////////////////////////////////////////////////////////// | |
61 | // CELL volume and subvolumes creation | |
62 | ////////////////////////////////////////////////////////////////////////////// | |
63 | ||
64 | par[0] = GetCrystalSideSize()/2 + GetWrapThickness(); | |
65 | par[1] = GetCrystalSideSize()/2 + GetWrapThickness(); | |
66 | par[2] = GetCrystalLength() /2 + GetWrapThickness()/2; | |
67 | pMC->Gsvolu("WRAP","BOX ",GetPHOS_IDTMED_Tyvek(),par,3); | |
68 | ||
69 | par[0] = GetCrystalSideSize()/2; | |
70 | par[1] = GetCrystalSideSize()/2; | |
71 | par[2] = GetCrystalLength()/2; | |
72 | pMC->Gsvolu("CRST","BOX ",GetPHOS_IDTMED_PbWO4(),par,3); | |
73 | ||
74 | // PIN | |
75 | par[0] = GetPIN_SideSize()/2; | |
76 | par[1] = GetPIN_SideSize()/2; | |
77 | par[2] = GetPIN_Length()/2; | |
78 | pMC->Gsvolu("PIN ","BOX ",GetPHOS_IDTMED_PIN(),par,3); | |
79 | ||
80 | ////////////////////////////////////////////////////////////////////////////// | |
81 | // CRADLE,CPV creation. | |
82 | ////////////////////////////////////////////////////////////////////////////// | |
83 | ||
84 | par[0] = cell_side_size/2 * GetNz(); | |
85 | par[1] = cell_side_size/2 * GetNphi(); | |
86 | par[2] = cradle_thikness/2; | |
87 | pMC->Gsvolu("PHOS","BOX ",GetPHOS_IDTMED_AIR(),par,3); | |
88 | ||
89 | //par[0] : the same as above | |
90 | //par[1] : the same as above | |
91 | par[2] = GetCPV_Thickness()/2; | |
92 | pMC->Gsvolu("CPV ","BOX ",GetPHOS_IDTMED_CPV(),par,3); | |
93 | ||
94 | x = 0; | |
95 | y = 0; | |
96 | z = (cell_length+GetCPV_PHOS_Distance())/2; | |
97 | pMC->Gspos("CPV ",1,"PHOS",x,y,z,0,"ONLY"); | |
98 | ||
99 | par[0] = cell_side_size/2 * GetNz(); | |
100 | par[1] = cell_side_size/2 * GetNphi(); | |
101 | par[2] = cell_length/2; | |
102 | pMC->Gsvolu("CRS0","BOX ",GetPHOS_IDTMED_AIR(),par,3); | |
103 | ||
104 | x = 0; | |
105 | y = 0; | |
106 | z = -(cradle_thikness-cell_length)/2; | |
107 | pMC->Gspos("CRS0",1,"PHOS",x,y,z,0,"ONLY"); | |
108 | ||
109 | pMC->Gsdvn("CRS1","CRS0",GetNphi(),2); | |
110 | pMC->Gsdvn("CELL","CRS1",GetNz() ,1); | |
111 | ||
112 | ////////////////////////////////////////////////////////////////////////////// | |
113 | // CELL creation | |
114 | ////////////////////////////////////////////////////////////////////////////// | |
115 | ||
116 | x = 0; | |
117 | y = 0; | |
118 | z = -GetWrapThickness()/2; | |
119 | pMC->Gspos("CRST",1,"WRAP",x,y,z,0,"ONLY"); | |
120 | ||
121 | x = 0; | |
122 | y = 0; | |
123 | z = GetPIN_Length()/2; | |
124 | pMC->Gspos("WRAP",1,"CELL",x,y,z,0,"ONLY"); | |
125 | ||
126 | x = 0; | |
127 | y = 0; | |
128 | z = -GetCrystalLength()/2-GetWrapThickness()/2; | |
129 | pMC->Gspos("PIN ",1,"CELL",x,y,z,0,"ONLY"); | |
130 | ||
131 | ////////////////////////////////////////////////////////////////////////////// | |
132 | // CELL has been created. | |
133 | ////////////////////////////////////////////////////////////////////////////// | |
134 | ||
135 | // int n=0; | |
136 | // z = -(GetCPV_Thickness()+GetCPV_PHOS_Distance())/2; | |
137 | // | |
138 | // for( int iy=0; iy<GetNphi(); iy++ ) | |
139 | // { | |
140 | // y = (iy-(GetNphi()-1)/2.)*cell_side_size; | |
141 | // for( int ix=0; ix<GetNz(); ix++ ) | |
142 | // { | |
143 | // x = (ix-(GetNz()-1)/2.)*cell_side_size; | |
144 | // pMC->Gspos("CELL",++n,"PHOS",x,y,z,0,"ONLY"); | |
145 | // } | |
146 | // } | |
147 | ||
148 | ////////////////////////////////////////////////////////////////////////////// | |
149 | // End of CRADLE creation. | |
150 | ////////////////////////////////////////////////////////////////////////////// | |
151 | ||
152 | ||
153 | ////////////////////////////////////////////////////////////////////////////// | |
154 | // PHOS creation | |
155 | ////////////////////////////////////////////////////////////////////////////// | |
156 | ||
157 | for( int i=0; i<GetCradlesAmount(); i++ ) | |
158 | { | |
159 | float c = distance_to_CPV, // Distance to CPV | |
160 | l = cell_side_size*GetNphi()/2, // Cradle half size around beam (for rect. geom.) | |
161 | cradle_angle = 360/M_PI*atan(l/c), | |
162 | cradle_angle_pos = -90+(i-(GetCradlesAmount()-1)/2.) * (cradle_angle+GetAngleBetweenCradles()); | |
163 | // Cradles are numerated in clock reversed order. (general way of angle increment) | |
164 | ||
165 | float r = GetRadius() + cradle_thikness/2; | |
166 | x = r*cos(cradle_angle_pos*M_PI/180); | |
167 | y = r*sin(cradle_angle_pos*M_PI/180); | |
168 | z = 0; | |
169 | AliMatrix(rotation_matrix_number, 0,0 , 90,90+cradle_angle_pos , 90,180+cradle_angle_pos); | |
170 | pMC->Gspos("PHOS",i+1,"ALIC",x,y,z,rotation_matrix_number,"ONLY"); | |
171 | ||
172 | GetCradleAngle(i) = cradle_angle_pos; | |
173 | // | |
174 | // int n = PHOS.fCradles->GetEntries(); | |
175 | // PHOS.fCradles->Add(new AliPHOSCradle( 1, // geometry. | |
176 | // GetCrystalSideSize (), | |
177 | // GetCrystalLength (), | |
178 | // GetWrapThickness (), | |
179 | // GetAirThickness (), | |
180 | // GetPIN_SideSize (), | |
181 | // GetPIN_Length (), | |
182 | // GetRadius (), | |
183 | // GetCPV_Thickness (), | |
184 | // GetCPV_PHOS_Distance (), | |
185 | // GetNz (), | |
186 | // GetNphi (), | |
187 | // cradle_angle_pos )); | |
188 | // | |
189 | // if( n+1 != PHOS.fCradles->GetEntries() || | |
190 | // NULL == PHOS.fCradles->At(n) ) | |
191 | // { | |
192 | // cout << " Can not create or add AliPHOSCradle.\n"; | |
193 | // exit(1); | |
194 | // } | |
195 | } | |
196 | AddPHOSCradles(); | |
197 | ||
198 | ////////////////////////////////////////////////////////////////////////////// | |
199 | // All is done. | |
200 | // Print some information. | |
201 | ////////////////////////////////////////////////////////////////////////////// | |
202 | } | |
203 | ||
204 | void AliPHOSv1::StepManager() | |
205 | { | |
206 | static Bool_t inwold=0; // Status of previous ctrak->inwvol | |
207 | AliMC *MC = AliMC::GetMC(); | |
208 | Int_t copy; | |
209 | ||
210 | // cout << form("PHOS STEP: %d %d %d %d\n", | |
211 | // MC->GetMedium(),cvolu->nlevel,ctrak->inwvol,inwold); | |
212 | ||
213 | int cradle_number, cell_Z, cell_Phi; // Variables that describe cell position. | |
214 | ||
215 | if( MC->GetMedium() == GetPHOS_IDTMED_PIN() && (MC->TrackInside() || MC->TrackExiting()==2) && inwold && MC->TrackCharge()!=0 ) | |
216 | { | |
217 | // GEANT particle just have entered into PIN diode. | |
218 | ||
6435828c | 219 | AliPHOS &PHOS = *(AliPHOS*)gAlice->GetModule("PHOS"); |
fe4da5cc | 220 | |
221 | MC->CurrentVolOff(4,0,copy); | |
222 | cradle_number = copy-1; | |
223 | MC->CurrentVolOff(1,0,copy); | |
224 | cell_Z = copy-1; | |
225 | MC->CurrentVolOff(2,0,copy); | |
226 | cell_Phi = copy-1; | |
227 | /* | |
228 | cradle_number = cvolu->number[cvolu->nlevel-5]-1; | |
229 | cell_Z = cvolu->number[cvolu->nlevel-2]-1; | |
230 | cell_Phi = cvolu->number[cvolu->nlevel-3]-1; | |
231 | */ | |
232 | ||
233 | TH2S &h = PHOS.GetCradle(cradle_number).fChargedTracksInPIN; | |
234 | h.AddBinContent(h.GetBin(cell_Z,cell_Phi)); | |
235 | } | |
236 | ||
237 | ////////////////////////////////////////////////////////////////////////////// | |
238 | ||
239 | if( MC->GetMedium() == GetPHOS_IDTMED_PbWO4() ) //&& gckine_.CHARGE ) | |
240 | { | |
241 | // GEANT particle into crystal. | |
242 | ||
6435828c | 243 | AliPHOS &PHOS = *(AliPHOS*)gAlice->GetModule("PHOS"); |
fe4da5cc | 244 | |
245 | MC->CurrentVolOff(5,0,copy); | |
246 | cradle_number = copy-1; | |
247 | MC->CurrentVolOff(2,0,copy); | |
248 | cell_Z = copy-1; | |
249 | MC->CurrentVolOff(3,0,copy); | |
250 | cell_Phi = copy-1; | |
251 | /* | |
252 | cradle_number = cvolu->number[cvolu->nlevel-6]-1; | |
253 | cell_Z = cvolu->number[cvolu->nlevel-3]-1; | |
254 | cell_Phi = cvolu->number[cvolu->nlevel-4]-1; | |
255 | */ | |
256 | TH2F &h = PHOS.GetCradle(cradle_number).fCellEnergy; | |
257 | h.AddBinContent(h.GetBin(cell_Z,cell_Phi),MC->Edep()); | |
258 | } | |
259 | ||
260 | ////////////////////////////////////////////////////////////////////////////// | |
261 | ||
262 | if( MC->GetMedium()==GetPHOS_IDTMED_CPV() && (MC->TrackInside() || MC->TrackExiting()) && inwold ) | |
263 | { | |
264 | // GEANT particle just have entered into CPV detector. | |
265 | ||
6435828c | 266 | AliPHOS &PHOS = *(AliPHOS*)gAlice->GetModule("PHOS"); |
fe4da5cc | 267 | |
268 | MC->CurrentVolOff(1,0,cradle_number); | |
269 | cradle_number--; | |
270 | // cradle_number = cvolu->number[cvolu->nlevel-2]-1; | |
271 | ||
272 | // Save CPV x,y hits position of charged particles. | |
273 | ||
274 | AliPHOSCradle &cradle = PHOS.GetCradle(cradle_number); | |
275 | ||
276 | Float_t xyz[3]; | |
277 | MC->TrackPosition(xyz); | |
278 | Hep3Vector p(xyz[0],xyz[1],xyz[2]),v; | |
279 | ||
280 | float x,y,l; | |
281 | float R = cradle.GetRadius() - cradle.GetCPV_PHOS_Distance() - cradle.GetCPV_Thikness(); | |
282 | cradle.GetXY(p,v,R,x,y,l); | |
283 | if( PHOS.fDebugLevel>0 ) | |
284 | if( l<0 ) | |
285 | printf("PHOS_STEP: warning: negative distance to CPV!! %f\n", l); | |
286 | ||
287 | // Store current particle in the list of Cradle particles. | |
288 | Float_t pmom[4]; | |
289 | MC->TrackMomentum(pmom); | |
290 | float Px = pmom[0] * pmom[3], | |
291 | Py = pmom[1] * pmom[3], | |
292 | Pz = pmom[2] * pmom[3]; | |
293 | ||
294 | // TClonesArray &P=cradle.GetParticles(); | |
295 | // new( P[P.GetEntries()] ) AliPHOSgamma(x,0,y,0,ctrak->getot,0,Px,Py,Pz); | |
296 | cradle.GetParticles().Add(new AliPHOSgamma(x,0,y,0,MC->Etot(),0,Px,Py,Pz)); | |
297 | ||
298 | if( MC->TrackCharge()!=0 ) | |
299 | cradle.AddCPVHit(x,y); | |
300 | } | |
301 | ||
302 | inwold=MC->TrackEntering(); // Save current status of GEANT variable. | |
303 | } | |
304 |