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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 | // ALICE Cosmic Ray Trigger // |
| 21 | // // |
| 22 | // This class contains the functions for version 0 of the ALICE Cosmic Ray // |
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23 | // Trigger. This version will be used to simulation comic rays in alice with// |
| 24 | // all the detectors. It include geometry and hits (posicion and momentum) // |
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25 | // // |
| 19f796ed |
26 | // Send comments to: // |
| 27 | // Arturo Fernandez <afernand@fcfm.buap.mx> // |
| 28 | // Enrique Gamez <egamez@fcfm.buap.mx> // |
| 29 | // Eleazar Cuautle <ecuautle@nucleares.unam.mx> // |
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30 | /////////////////////////////////////////////////////////////////////////////// |
| 31 | |
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32 | |
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33 | #include "AliACORDEv0.h" |
| 34 | #include <TClonesArray.h> |
| 35 | #include <TLorentzVector.h> |
| 36 | #include <TVirtualMC.h> |
| 37 | #include <TPDGCode.h> |
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38 | #include <TGeometry.h> |
| 39 | #include <TBRIK.h> |
| 40 | #include <TNode.h> |
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41 | |
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42 | |
| 43 | #include "AliRun.h" |
| 44 | #include "AliConst.h" |
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45 | #include "AliACORDEhit.h" |
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46 | #include "AliACORDEConstants.h" |
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47 | #include "AliMC.h" |
| 48 | #include "AliLog.h" |
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49 | |
| 50 | ClassImp(AliACORDEv0) |
| 51 | |
| 52 | //_____________________________________________________________________________ |
| 53 | AliACORDEv0::AliACORDEv0() |
| 54 | : AliACORDE() |
| 55 | { |
| 56 | // |
| 57 | // Default constructor |
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58 | fIshunt = 0; |
| 59 | fHits = 0; |
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60 | // |
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61 | } |
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62 | //_____________________________________________________________________________ |
| 63 | AliACORDEv0::AliACORDEv0(const char *name, const char *title) |
| 64 | : AliACORDE(name, title) |
| 65 | { |
| 66 | // |
| 67 | // Standard constructor |
| 68 | // |
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69 | fIshunt = 1; // All hits are associated with primary particles |
| 70 | fHits = new TClonesArray("AliACORDEhit",400); |
| 71 | gAlice->GetMCApp()->AddHitList(fHits); |
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72 | } |
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73 | //_____________________________________________________________________________ |
| 74 | AliACORDEv0::~AliACORDEv0() |
| 75 | { |
| 76 | // |
| 77 | // Default destructor |
| 78 | // |
| 79 | } |
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80 | //_____________________________________________________________________________ |
| 81 | void AliACORDEv0::BuildGeometry() |
| 82 | { |
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83 | |
| 84 | // not needed anymore |
| 85 | |
| 86 | } |
| 87 | |
| 88 | //_____________________________________________________________________________ |
| 89 | void AliACORDEv0::CreateGeometry() |
| 90 | { |
| 91 | CreateAcorde(); |
| 92 | if (GetCreateCavern()) CreateCavern(); |
| 93 | } |
| 94 | |
| 95 | void AliACORDEv0::CreateCavern() |
| 96 | { |
| 97 | Int_t* idtmed = fIdtmed->GetArray() - 1099 ; |
| 98 | // Create the mother volume, the one which will contain all the material |
| 99 | // above the hall. |
| 100 | Float_t pbox[3]; |
| 101 | pbox[0] = AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad); |
| 102 | //pbox[0] = 12073; |
| 103 | pbox[1] = AliACORDEConstants::Instance()->Depth(); |
| 104 | pbox[2] = pbox[0]; |
| 105 | gMC->Gsvolu("ACORDE", "BOX", idtmed[1114], pbox, 3); |
| 106 | gMC->Gspos("ACORDE", 1, "ALIC", 0, 0, 0, 0, "ONLY"); |
| 107 | CreateShafts(); |
| 108 | CreateMolasse(); |
| 109 | } |
| 110 | |
| 111 | void AliACORDEv0::CreateShafts() |
| 112 | |
| 113 | { |
| 114 | |
| 115 | // |
| 116 | Int_t idrotm[2499]; // The rotation matrix. |
| 117 | Int_t* idtmed = fIdtmed->GetArray() - 1099 ; |
| 118 | |
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119 | // |
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120 | // Acces shafts |
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121 | // |
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122 | AliMatrix(idrotm[2001], 0, 0, 90, 0, 90, 90); |
| 123 | |
| 124 | |
| 125 | // Create a bing cilinder to hold the main structures in the shaft. |
| 126 | // All the structures relative to the shaft will be put into |
| 127 | // this volume. |
| 128 | // This shaft is composed by an open tube down in the hall, and |
| 129 | // a cilinder avobe the level of the ceiling. |
| 130 | Float_t ptube[3]; |
| 131 | ptube[0] = 0; // inner radius |
| 132 | ptube[1] = 1250; // outer radius |
| 133 | ptube[2] = 5150/2; // Half lenght in Z |
| 134 | gMC->Gsvolu("CSF1", "TUBE", idtmed[1114], ptube, 3); |
| 135 | |
| 136 | Float_t ptubs[5]; |
| 137 | // The open section of the PX24 |
| 138 | ptubs[0] = 1150; // Inner radius |
| 139 | ptubs[1] = 1250; // Outer radius |
| 140 | ptubs[2] = 1300; // Half length |
| 141 | ptubs[3] = 180 + kRaddeg*TMath::ASin(1070/ptubs[0]); // starting angle |
| 142 | ptubs[4] = 180 - kRaddeg*TMath::ASin(1070/ptubs[0]); |
| 143 | gMC->Gsvolu("CSF2", "TUBS", idtmed[1116], ptubs, 5); |
| 144 | gMC->Gspos("CSF2", 1, "CSF1", 0, 0, -ptube[2] + ptubs[2], 0, "MANY"); |
| 145 | |
| 146 | // The other part of the shaft. |
| 147 | ptube[0] = ptubs[0]; // Inner radius |
| 148 | ptube[1] = ptubs[1]; // Outer radius |
| 149 | ptube[2] = 5150/2 - ptubs[2]; // Half lenght |
| 150 | gMC->Gsvolu("CSF3", "TUBE", idtmed[1116], ptube, 3); |
| 151 | gMC->Gspos("CSF3", 1, "CSF1", 0, 0, 5150/2 - ptube[2], 0, "MANY"); |
| 152 | |
| 153 | Float_t pbox[3]; |
| 154 | // Concrete walls along the shaft (next to the elevator.) |
| 155 | pbox[0] = 480/2; // Half length in X |
| 156 | pbox[1] = 120/2; // Half length in Y |
| 157 | pbox[2] = 5150/2; // Half length in Z |
| 158 | gMC->Gsvolu("CSW1", "BOX", idtmed[1116], pbox, 3); |
| 159 | gMC->Gspos("CSW1", 1, "CSF1", 820+pbox[0], 150+pbox[1], 0, 0, "MANY"); |
| 160 | gMC->Gspos("CSW1", 2, "CSF1", 820+pbox[0], -300-pbox[1], 0, 0, "MANY"); |
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161 | |
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162 | // |
| 163 | pbox[0] = 120/2; // Half length in X |
| 164 | pbox[1] = 750/2; // Half length in Y |
| 165 | pbox[2] = 5150/2; // Half length in Z |
| 166 | gMC->Gsvolu("CSW2", "BOX", idtmed[1116], pbox, 3); |
| 167 | gMC->Gspos("CSW2", 1, "CSF1", 820-60, 150+pbox[1], 0, 0, "MANY"); |
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168 | |
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169 | // |
| 170 | pbox[0] = 120/2; // Half length in X |
| 171 | pbox[1] = 600/2; // Half lenght in Y |
| 172 | pbox[2] = 5150/2; // Half length in Z |
| 173 | gMC->Gsvolu("CSW3", "BOX", idtmed[1116], pbox, 3); |
| 174 | gMC->Gspos("CSW3", 1, "CSF1", 820-60, -300-pbox[1], 0, 0, "MANY"); |
| 175 | |
| 176 | // Material below the counting rooms. |
| 177 | pbox[0] = 400/2; |
| 178 | pbox[1] = 2300/2; |
| 179 | pbox[2] = 300/2; |
| 180 | gMC->Gsvolu("CSW4", "BOX", idtmed[1116], pbox, 3); |
| 181 | gMC->Gspos("CSW4",1,"CSF1",2300/2-pbox[0],0,3000-5150/2-pbox[2], 0, "MANY"); |
| 182 | |
| 183 | // Shielding plug. |
| 184 | pbox[0] = 1400/2; |
| 185 | pbox[1] = 2300/2; |
| 186 | pbox[2] = 170/2; |
| 187 | gMC->Gsvolu("CSW5", "BOX", idtmed[1116], pbox, 3); |
| 188 | gMC->Gspos("CSW5", 1, "CSF1", 0, 0, 3000-5150/2-130, 0, "MANY"); |
| 189 | |
| 190 | // The end of the support for the shielding plug. |
| 191 | pbox[0] = 170/2; |
| 192 | pbox[1] = 2300/2; |
| 193 | pbox[2] = 300/2; |
| 194 | gMC->Gsvolu("CSW6", "BOX", idtmed[1116], pbox, 3); |
| 195 | gMC->Gspos("CSW6",1,"CSF1",-1400/2-pbox[0],0,3000-5150/2-pbox[2],0,"MANY"); |
| 196 | |
| 197 | // ... |
| 198 | pbox[0] = 100/2; |
| 199 | pbox[1] = 2300/2; |
| 200 | pbox[2] = 450/2; |
| 201 | gMC->Gsvolu("CSW7", "BOX", idtmed[1116], pbox, 3); |
| 202 | gMC->Gspos("CSW7",1,"CSF1",-1400/2-170-pbox[0],0,3000-5150/2+pbox[2],0,"MANY"); |
| 203 | |
| 204 | // Material close to the pipe. |
| 205 | pbox[0] = 300/2; |
| 206 | pbox[1] = 2300/2; |
| 207 | pbox[2] = 170/2; |
| 208 | gMC->Gsvolu("CSW8", "BOX", idtmed[1116], pbox, 3); |
| 209 | gMC->Gspos("CSW8",1,"CSF1",-2300/2+pbox[0],0,2500-5150/2,0,"MANY"); |
| 210 | |
| 211 | // Now put the shaft into the mother volume. |
| 212 | gMC->Gspos("CSF1", 1, "ACORDE", 0, AliACORDEConstants::Instance()->Depth() - 5150/2, 2300, idrotm[2001], "MANY"); |
| 213 | |
| 214 | // PM25 Access Shaft |
| 215 | ptube[0] = 910/2; |
| 216 | ptube[1] = ptube[0] + 100; |
| 217 | ptube[2] = (5150 - 1166)/2; |
| 218 | gMC->Gsvolu("CSF4", "TUBE", idtmed[1116], ptube, 3); |
| 219 | gMC->Gspos("CSF4", 1, "ACORDE", 2100, AliACORDEConstants::Instance()->Depth()-ptube[2], 0, idrotm[2001], "MANY"); |
| 220 | |
| 221 | // PGC2 Access Shaft |
| 222 | ptube[0] = 1100/2; |
| 223 | ptube[1] = ptube[0] + 100; |
| 224 | ptube[2] = (5150 - 690)/2; |
| 225 | gMC->Gsvolu("CSF5", "TUBE", idtmed[1116], ptube, 3); |
| 226 | gMC->Gspos("CSF5", 1, "ACORDE", -375, AliACORDEConstants::Instance()->Depth()-ptube[2], -1900 - 2987.7, idrotm[2001], "MANY"); |
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227 | |
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228 | } |
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229 | |
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230 | |
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231 | void AliACORDEv0::CreateMolasse() |
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232 | |
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233 | { |
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234 | |
| 235 | // |
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236 | Int_t idrotm[2499]; // The rotation matrix. |
| 237 | Int_t* idtmed = fIdtmed->GetArray() - 1099 ; |
| 238 | |
| 239 | Float_t px24radius = 2300/2; |
| 240 | Float_t px24X = 0; |
| 241 | //Float_t px24Y = ; |
| 242 | Float_t px24Z = 2300; |
| 243 | |
| 244 | Float_t pm25radius = 910/2; |
| 245 | Float_t pm25X = 2100; |
| 246 | //Float_t pm25Y = ; |
| 247 | Float_t pm25Z = 0; |
| 248 | |
| 249 | Float_t pgc2radius = 1100/2; |
| 250 | Float_t pgc2X = -375; |
| 251 | //Float_t pgc2Y = ; |
| 252 | Float_t pgc2Z = -(1900 + 2987.7); |
| 253 | |
| 254 | Float_t concreteWidth = 100; // Standard width of the hall walls. |
| 255 | |
| 256 | |
| 257 | // Create a local mother volume. |
| 258 | Float_t pbox[3]; |
| 259 | pbox[0] = AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad); |
| 260 | pbox[1] = AliACORDEConstants::Instance()->Depth()/2; |
| 261 | pbox[2] = pbox[0]; |
| 262 | gMC->Gsvolu("CMO1", "BOX", idtmed[1114], pbox, 3); |
| 263 | |
| 264 | // Now put the molasse exactly above the hall. OK |
| 265 | // Above the ceiling |
| 266 | Float_t ptubs[5]; |
| 267 | ptubs[0] = 1170; |
| 268 | ptubs[1] = 2100 - pm25radius; |
| 269 | ptubs[2] = 1900/2 + px24radius; |
| 270 | ptubs[3] = 0; |
| 271 | ptubs[4] = 180; |
| 272 | gMC->Gsvolu("CMO2", "TUBS", idtmed[1123], ptubs, 5); |
| 273 | gMC->Gspos("CMO2", 1, "CMO1", 0, 500-AliACORDEConstants::Instance()->Depth()/2, ptubs[2]-1900, 0, "MANY"); |
| 274 | |
| 275 | // Molasse around the RB24/26 Wall. OK |
| 276 | ptubs[0] = 220 + 1600; |
| 277 | ptubs[1] = AliACORDEConstants::Instance()->Depth() - ptubs[0]; |
| 278 | ptubs[2] = 2987.7/2 - 1100/4 - concreteWidth/2; |
| 279 | ptubs[3] = 0; |
| 280 | ptubs[4] = 180; |
| 281 | gMC->Gsvolu("CMO3", "TUBS", idtmed[1123], ptubs, 5); |
| 282 | gMC->Gspos("CMO3", 1, "CMO1", 70, 40-AliACORDEConstants::Instance()->Depth()/2, -1900 - ptubs[2], 0, "MANY"); |
| 283 | |
| 284 | // A big block above the RB24/26 wall. OK |
| 285 | pbox[0] = AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad); |
| 286 | pbox[1] = (AliACORDEConstants::Instance()->Depth() - 220 - 1600)/2; |
| 287 | pbox[2] = 2987.7/2 - 1100/4 - concreteWidth/2; |
| 288 | gMC->Gsvolu("CMO4", "BOX", idtmed[1123], pbox, 3); |
| 289 | gMC->Gspos("CMO4", 1, "CMO1", 0, AliACORDEConstants::Instance()->Depth()/2 - pbox[1], -1900 - pbox[2], 0, "MANY"); |
| 290 | // Small blocks below the volume CMO4 on both sides of the wall RB24/26. OK |
| 291 | pbox[0] = (AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad) - |
| 292 | ptubs[0])/2; |
| 293 | pbox[1] = AliACORDEConstants::Instance()->Depth()/2 - pbox[1]; |
| 294 | gMC->Gsvolu("CM17", "BOX", idtmed[1123], pbox, 3); |
| 295 | gMC->Gspos("CM17", 1, "CMO1", AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad) - pbox[0], -AliACORDEConstants::Instance()->Depth()/2 + pbox[1], -1900 - pbox[2], 0, "MANY"); |
| 296 | gMC->Gspos("CM17", 2, "CMO1", -AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad)+ pbox[0], -AliACORDEConstants::Instance()->Depth()/2 + pbox[1], -1900 - pbox[2], 0, "MANY"); |
| 297 | |
| 298 | // And a big block of molasse above the hall up to the surface. OK |
| 299 | pbox[0] = pm25X - pm25radius; |
| 300 | pbox[1] = (AliACORDEConstants::Instance()->Depth()-500-1170)/2; |
| 301 | pbox[2] = (1900 + 1150)/2; |
| 302 | gMC->Gsvolu("CMO5", "BOX", idtmed[1123], pbox, 3); |
| 303 | gMC->Gspos("CMO5", 1, "CMO1", 0,AliACORDEConstants::Instance()->Depth()/2-pbox[1], pbox[2]-1900, 0, "MANY"); |
| 304 | // Small blocks of molasse betwen the blocks CMO2, CMO5 and PM25. Ok |
| 305 | pbox[0] = (pm25X - pm25radius - 1170)/2; |
| 306 | pbox[1] = 1000; |
| 307 | gMC->Gsvolu("CM16", "BOX", idtmed[1123], pbox, 3); |
| 308 | gMC->Gspos("CM16", 1, "CMO1", 1170 + pbox[0], -AliACORDEConstants::Instance()->Depth()/2+pbox[1], pbox[2] - 1900, 0, "MANY"); |
| 309 | |
| 310 | // Molasse around the shafts. |
| 311 | AliMatrix(idrotm[2003], 0, 0, 90, 0, 90, 90); |
| 312 | // Around the PX24, the open section. OK |
| 313 | ptubs[0] = px24radius + concreteWidth; |
| 314 | ptubs[1] = ptubs[0] + 1000; |
| 315 | ptubs[2] = (2300 - (5150 - AliACORDEConstants::Instance()->Depth()))/2; |
| 316 | ptubs[3] = 180 + kRaddeg*TMath::ASin(1070/ptubs[0]); |
| 317 | ptubs[4] = 180 - kRaddeg*TMath::ASin(1070/ptubs[0]); |
| 318 | gMC->Gsvolu("CMO6", "TUBS", idtmed[1123], ptubs, 5); |
| 319 | gMC->Gspos("CMO6", 1, "CMO1", px24X, ptubs[2] - AliACORDEConstants::Instance()->Depth()/2, px24Z, idrotm[2003], "MANY"); |
| 320 | // Around the PX24, the closed section. OK |
| 321 | Float_t ptube[3]; |
| 322 | ptube[0] = px24radius + concreteWidth; |
| 323 | ptube[1] = ptube[0] + 1000; |
| 324 | ptube[2] = (5150 - 2300)/2; |
| 325 | gMC->Gsvolu("CMO7", "TUBE", idtmed[1123], ptube, 3); |
| 326 | gMC->Gspos("CMO7", 1, "CMO1", px24X, AliACORDEConstants::Instance()->Depth()/2 - ptube[2], px24Z, idrotm[2003], "MANY"); |
| 327 | |
| 328 | // Around PM25. OK |
| 329 | ptube[0] = pm25radius + concreteWidth; |
| 330 | ptube[1] = ptube[0] + 400; |
| 331 | ptube[2] = AliACORDEConstants::Instance()->Depth()/2; |
| 332 | gMC->Gsvolu("CMO8", "TUBE", idtmed[1123], ptube, 3); |
| 333 | gMC->Gspos("CMO8", 1, "CMO1", pm25X, 0, pm25Z, idrotm[2003], "MANY"); |
| 334 | // On both sides of the PM25 along the HALL. |
| 335 | pbox[0] = (2100 + pm25radius - 1170)/2; |
| 336 | pbox[1] = AliACORDEConstants::Instance()->Depth()/2; |
| 337 | pbox[2] = (3*px24radius - pm25radius)/2; |
| 338 | gMC->Gsvolu("CM18", "BOX", idtmed[1123], pbox, 3); |
| 339 | gMC->Gspos("CM18", 1, "CMO1", 2100, 0, pbox[2] + pm25radius, 0, "MANY"); |
| 340 | |
| 341 | pbox[2] = (1900 - pm25radius)/2; |
| 342 | gMC->Gsvolu("CM19", "BOX", idtmed[1123], pbox, 3); |
| 343 | gMC->Gspos("CM19", 1, "CMO1", 2100, 0, -pbox[2] - pm25radius, 0, "MANY"); |
| 344 | |
| 345 | // Around the PGC2. OK |
| 346 | ptube[0] = pgc2radius + concreteWidth; |
| 347 | ptube[1] = 2987.7 - 740; |
| 348 | ptube[2] = AliACORDEConstants::Instance()->Depth()/2; |
| 349 | gMC->Gsvolu("CMO9", "TUBE", idtmed[1123], ptube, 3); |
| 350 | gMC->Gspos("CMO9", 1, "CMO1", pgc2X, 0, pgc2Z, idrotm[2003], "MANY"); |
| 351 | |
| 352 | // On both sides of the PGC2.OK |
| 353 | pbox[0] = (AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad) - |
| 354 | 1100 - 375)/2; |
| 355 | pbox[1] = AliACORDEConstants::Instance()->Depth()/2; |
| 356 | pbox[2] = pgc2radius + concreteWidth; |
| 357 | gMC->Gsvolu("CM10", "BOX", idtmed[1123], pbox, 3); |
| 358 | gMC->Gspos("CM10", 1, "CMO1", AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad) - pbox[0], 0, pgc2Z, 0, "MANY"); |
| 359 | gMC->Gspos("CM10", 2, "CMO1", -AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad) + pbox[0], 0, pgc2Z, 0, "MANY"); |
| 360 | |
| 361 | // big block of molasse behind the PX24. OK |
| 362 | pbox[0] = AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad); |
| 363 | pbox[1] = AliACORDEConstants::Instance()->Depth()/2; |
| 364 | pbox[2] = (pbox[0] - (2300 + 1150 + 100))/2; |
| 365 | gMC->Gsvolu("CM12", "BOX", idtmed[1123], pbox, 3); |
| 366 | gMC->Gspos("CM12", 1, "CMO1", px24X, 0, px24Z + px24radius + concreteWidth + pbox[2], 0, "MANY"); |
| 367 | |
| 368 | // big block of molasse in the opposite side of the PM25. OK |
| 369 | pbox[0] = (AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad) - |
| 370 | 1150)/2; |
| 371 | pbox[1] = AliACORDEConstants::Instance()->Depth()/2; |
| 372 | pbox[2] = (1900 + 2300 + 1150)/2; |
| 373 | gMC->Gsvolu("CM13", "BOX", idtmed[1123], pbox, 3); |
| 374 | gMC->Gspos("CM13", 1, "CMO1", -1150 - pbox[0], 0, pbox[2] - 1900, 0, "MANY"); |
| 375 | |
| 376 | // big block of molasse behind the PM25. OK |
| 377 | pbox[0] = (AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad) - |
| 378 | (2100 + 910/2 + 100))/2; |
| 379 | pbox[1] = AliACORDEConstants::Instance()->Depth()/2; |
| 380 | pbox[2] = (1900 + 2300 + 1150)/2; |
| 381 | gMC->Gsvolu("CM14", "BOX", idtmed[1123], pbox, 3); |
| 382 | gMC->Gspos("CM14", 1, "CMO1", pm25X + pm25radius + concreteWidth + pbox[0], 0, pbox[2] - 1900, 0, "MANY"); |
| 383 | |
| 384 | // big block of molasse behind the PGC2. OK |
| 385 | pbox[0] = AliACORDEConstants::Instance()->Depth()*TMath::Tan(67.5*kDegrad); |
| 386 | pbox[1] = AliACORDEConstants::Instance()->Depth()/2; |
| 387 | pbox[2] = (pbox[0] - (2987.7 + 1900 + 1100/2 + 100))/2; |
| 388 | gMC->Gsvolu("CM15", "BOX", idtmed[1123], pbox, 3); |
| 389 | gMC->Gspos("CM15", 1, "CMO1", 0, 0, -pbox[0] + pbox[2], 0, "MANY"); |
| 390 | |
| 391 | gMC->Gspos("CMO1",1,"ACORDE",0,AliACORDEConstants::Instance()->Depth()/2,0,0,"MANY"); |
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392 | |
| 393 | } |
| 394 | |
| 19f796ed |
395 | void AliACORDEv0::CreateAcorde() |
| b86e74f5 |
396 | { |
| 397 | // |
| 398 | // Create geometry for the ACORDE array |
| 19f796ed |
399 | // done in two main steps |
| 400 | // 1.- definition of the modules |
| 401 | // 2.- placement of the modules |
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402 | // |
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403 | Int_t idrotm[2499]; // The rotation matrix. |
| 404 | Int_t* idtmed = fIdtmed->GetArray() - 1099; |
| 19f796ed |
405 | AliACORDEConstants* constants = AliACORDEConstants::Instance(); |
| b86e74f5 |
406 | Float_t box[3]; |
| 19f796ed |
407 | Float_t placed_at; |
| 408 | Float_t placed_at2; |
| 409 | Float_t small = 0.05; // to separate slightly some volumes |
| 410 | // by half a mm so that they do not overlap |
| 411 | |
| 412 | |
| 413 | // 1.- Definition of a module |
| 414 | // * ACORDE1 => volume filled with air, representing a module |
| 415 | // it contains all other volumes defining the module |
| 416 | // there are 60 copies of it |
| 417 | // * ACORDE2 => volume defining one scintillator pad |
| 418 | // there are 2 copies of it per module |
| 419 | // * ACORDE3-6 => volumes representing the Al walls of box |
| 420 | // surrounding the plastic |
| 421 | // 3: long wall, 2 copies (front, back) |
| 422 | // 4: end caps, 2 copies (left, right) |
| 423 | // 5: long stripe to model the profile |
| 424 | // 4 copies (upper front and back, lower) |
| 425 | // 6: short stripe to model the profile |
| 426 | // 4 copies (upper left, right; lower) |
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427 | |
| 428 | // The full module volume. |
| 429 | // This volume will be ocupied by all the material of the module |
| 430 | // the scintillators, the aluminium frame, etc. |
| 19f796ed |
431 | box[0] = constants->ModuleLength()/2; |
| 432 | box[1] = constants->ModuleHeight()/2; |
| 433 | box[2] = constants->ModuleWidth()/2; |
| 434 | gMC->Gsvolu("ACORDE1", "BOX", idtmed[1114], box, 3); |
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435 | |
| 436 | // The scintillators |
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437 | box[0] = constants->PlasticLength()/2; |
| 438 | box[1] = constants->PlasticHeight()/2; |
| 439 | box[2] = constants->PlasticWidth()/2; |
| 440 | gMC->Gsvolu("ACORDE2", "BOX", idtmed[1112], box, 3); |
| 441 | |
| 442 | // it is important to keep this order for easy assignment of |
| 443 | // a volume to a physical module: |
| 444 | placed_at = box[1]+constants->ProfileThickness() |
| 445 | - constants->ModuleHeight()/2+small; |
| 446 | gMC->Gspos("ACORDE2", 1, "ACORDE1", 0, placed_at, 0, 0, "MANY"); |
| 447 | placed_at = placed_at + 2.0*box[1]+small; |
| 448 | gMC->Gspos("ACORDE2", 2, "ACORDE1", 0, placed_at, 0, 0, "MANY"); |
| 449 | |
| 450 | |
| 451 | // The metallic frame: long walls of box |
| 452 | // back,front,left,right, defined looking |
| 453 | // from the + z diraction into alice; i.e. |
| 454 | // back ==> z<0, front ==> z>0 |
| 455 | // left ==> x<0, right ==> x>0 |
| 456 | // up ==> increasing y, down ==> decreasing y |
| 457 | box[0] = constants->ModuleLength()/2; |
| 458 | box[1] = constants->ModuleHeight()/2; |
| 459 | box[2] = constants->ProfileThickness()/2.0; |
| 460 | gMC->Gsvolu("ACORDE3", "BOX", idtmed[1108], box, 3); |
| 461 | // front wall |
| 462 | placed_at = constants->ModuleWidth()/2-constants->ProfileThickness()/2.0; |
| 463 | gMC->Gspos("ACORDE3", 1, "ACORDE1", 0, 0, placed_at, 0, "MANY"); |
| 464 | // back wall |
| 465 | gMC->Gspos("ACORDE3", 2, "ACORDE1", 0, 0, -placed_at , 0, "MANY"); |
| 466 | |
| 467 | // The metallic frame: end caps |
| 468 | box[0] = constants->ProfileThickness()/2.0; |
| 469 | box[1] = constants->ModuleHeight()/2; |
| 470 | box[2] = constants->ModuleWidth()/2; |
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471 | gMC->Gsvolu("ACORDE4", "BOX", idtmed[1108], box, 3); |
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472 | // right cap |
| 473 | placed_at = constants->ModuleLength()/2-constants->ProfileThickness()/2.0; |
| 474 | gMC->Gspos("ACORDE4", 1, "ACORDE1", placed_at, 0, 0, 0, "MANY"); |
| 475 | // left cap |
| 476 | gMC->Gspos("ACORDE4", 2, "ACORDE1", -placed_at, 0, 0, 0, "MANY"); |
| 477 | |
| 478 | // The metallic frame: the profile, long stripes |
| 479 | box[0] = constants->ModuleLength()/2.0; |
| 480 | box[1] = constants->ProfileThickness()/2; |
| 481 | box[2] = constants->ProfileWidth()/2; |
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482 | gMC->Gsvolu("ACORDE5", "BOX", idtmed[1108], box, 3); |
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483 | // upper front |
| 484 | placed_at = constants->ModuleHeight()/2-box[1]; |
| 485 | placed_at2 = constants->ModuleWidth()/2- |
| 486 | constants->ProfileThickness()-box[2]; |
| 487 | gMC->Gspos("ACORDE5", 1, "ACORDE1",0,placed_at,placed_at2, 0, "MANY"); |
| 488 | // upper back |
| 489 | gMC->Gspos("ACORDE5", 2, "ACORDE1",0,placed_at,-placed_at2, 0, "MANY"); |
| 490 | // lower front |
| 491 | gMC->Gspos("ACORDE5", 3, "ACORDE1",0,-placed_at,placed_at2, 0, "MANY"); |
| 492 | // lower back |
| 493 | gMC->Gspos("ACORDE5", 4, "ACORDE1",0,-placed_at,-placed_at2, 0, "MANY"); |
| 494 | |
| 495 | // The metallic frame: the profile, long stripes |
| 496 | box[0] = constants->ProfileWidth()/2.0; |
| 497 | box[1] = constants->ProfileThickness()/2; |
| 498 | box[2] = constants->ModuleWidth()/2-constants->ProfileWidth(); |
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499 | gMC->Gsvolu("ACORDE6", "BOX", idtmed[1108], box, 3); |
| 19f796ed |
500 | // upper right |
| 501 | placed_at = constants->ModuleHeight()/2-box[1]; |
| 502 | placed_at2 = constants->ModuleLength()/2- |
| 503 | constants->ProfileThickness()-box[0]; |
| 504 | gMC->Gspos("ACORDE6", 1, "ACORDE1",placed_at2,placed_at,0, 0, "MANY"); |
| 505 | // upper left |
| 506 | gMC->Gspos("ACORDE6", 2, "ACORDE1",-placed_at2,placed_at,0, 0, "MANY"); |
| 507 | // lower right |
| 508 | gMC->Gspos("ACORDE6", 3, "ACORDE1",placed_at2,-placed_at,0, 0, "MANY"); |
| 509 | // lower left |
| 510 | gMC->Gspos("ACORDE6", 4, "ACORDE1",-placed_at2,-placed_at,0, 0, "MANY"); |
| 511 | |
| 512 | // End of MODULE definition |
| 513 | |
| 514 | //////////////////////////////////////////////////////////////////// |
| 515 | //////////////////////////////////////////////////////////////////// |
| 516 | |
| 517 | // 2.- placement of the module |
| 518 | // Now put all of them in the right position in |
| 519 | // master volume ALIC |
| 520 | |
| 521 | // rotation matrices (see Geant manual for conventions) |
| 522 | // for columns 4 and 5 |
| 523 | AliMatrix(idrotm[231], 90, 45, 90, 135, 0, 0); |
| 524 | // for columns 0 and 1 |
| 525 | AliMatrix(idrotm[232], 90, 315, 90, 45, 0, 0); |
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526 | |
| 19f796ed |
527 | // place each one of the 6 columns in turn |
| 528 | // for the first and the last column the position |
| 529 | // of the two last modules depends on the value |
| 530 | // of the fITSGeometry variable |
| 531 | |
| 532 | // it is important to keep this order because |
| 533 | // the copy number defines the module! |
| 534 | |
| 535 | // first column, except first and last modules |
| 536 | for (Int_t copy = 2; copy < 10; copy++) |
| 537 | gMC->Gspos("ACORDE1",copy,"ALIC", |
| 538 | constants->ModulePositionX(copy-1), |
| 539 | constants->ModulePositionY(copy-1), |
| 540 | constants->ModulePositionZ(copy-1), |
| 541 | idrotm[232], "MANY"); |
| 542 | // second column |
| 543 | for (Int_t copy = 11; copy < 21; copy++) |
| 544 | gMC->Gspos("ACORDE1",copy,"ALIC", |
| 545 | constants->ModulePositionX(copy-1), |
| 546 | constants->ModulePositionY(copy-1), |
| 547 | constants->ModulePositionZ(copy-1), |
| 548 | idrotm[232], "MANY"); |
| 549 | // third and fourth columns |
| 550 | for (Int_t copy = 21; copy < 41; copy++) |
| 551 | gMC->Gspos("ACORDE1",copy,"ALIC", |
| 552 | constants->ModulePositionX(copy-1), |
| 553 | constants->ModulePositionY(copy-1), |
| 554 | constants->ModulePositionZ(copy-1), |
| 555 | 0, "MANY"); |
| 556 | // fifth column |
| 557 | for (Int_t copy = 41; copy < 51; copy++) |
| 558 | gMC->Gspos("ACORDE1",copy,"ALIC", |
| 559 | constants->ModulePositionX(copy-1), |
| 560 | constants->ModulePositionY(copy-1), |
| 561 | constants->ModulePositionZ(copy-1), |
| 562 | idrotm[231], "MANY"); |
| 563 | // last column, except first and last modules |
| 564 | for (Int_t copy = 52; copy < 60; copy++) |
| 565 | gMC->Gspos("ACORDE1",copy,"ALIC", |
| 566 | constants->ModulePositionX(copy-1), |
| 567 | constants->ModulePositionY(copy-1), |
| 568 | constants->ModulePositionZ(copy-1), |
| 569 | idrotm[231], "MANY"); |
| 570 | // the last four modules |
| 571 | if (GetITSGeometry()) { |
| 572 | gMC->Gspos("ACORDE1",1,"ALIC", |
| 573 | constants->ExtraModulePositionX(), |
| 574 | constants->ExtraModulePositionY(), |
| 575 | constants->ExtraModulePositionZ(0), |
| 576 | 0, "MANY"); |
| 577 | gMC->Gspos("ACORDE1",10,"ALIC", |
| 578 | constants->ExtraModulePositionX(), |
| 579 | constants->ExtraModulePositionY(), |
| 580 | constants->ExtraModulePositionZ(1), |
| 581 | 0, "MANY"); |
| 582 | gMC->Gspos("ACORDE1",51,"ALIC", |
| 583 | constants->ExtraModulePositionX(), |
| 584 | constants->ExtraModulePositionY(), |
| 585 | constants->ExtraModulePositionZ(2), |
| 586 | 0, "MANY"); |
| 587 | gMC->Gspos("ACORDE1",60,"ALIC", |
| 588 | constants->ExtraModulePositionX(), |
| 589 | constants->ExtraModulePositionY(), |
| 590 | constants->ExtraModulePositionZ(3), |
| 591 | 0, "MANY"); |
| 592 | } else { |
| 593 | gMC->Gspos("ACORDE1",1,"ALIC", |
| 594 | constants->ModulePositionX(0), |
| 595 | constants->ModulePositionY(0), |
| 596 | constants->ModulePositionZ(0), |
| 597 | idrotm[232], "MANY"); |
| 598 | gMC->Gspos("ACORDE1",10,"ALIC", |
| 599 | constants->ModulePositionX(9), |
| 600 | constants->ModulePositionY(9), |
| 601 | constants->ModulePositionZ(9), |
| 602 | idrotm[232], "MANY"); |
| 603 | gMC->Gspos("ACORDE1",51,"ALIC", |
| 604 | constants->ModulePositionX(50), |
| 605 | constants->ModulePositionY(50), |
| 606 | constants->ModulePositionZ(50), |
| 607 | idrotm[231], "MANY"); |
| 608 | gMC->Gspos("ACORDE1",60,"ALIC", |
| 609 | constants->ModulePositionX(59), |
| 610 | constants->ModulePositionY(59), |
| 611 | constants->ModulePositionZ(59), |
| 612 | idrotm[231], "MANY"); |
| 613 | } // end if (fITSGeometry) |
| b86e74f5 |
614 | |
| 19f796ed |
615 | } |
| 616 | //_____________________________________________________________________________ |
| 617 | void AliACORDEv0::DrawDetector() const |
| 618 | { |
| b86e74f5 |
619 | |
| 19f796ed |
620 | // not needed anymore |
| b86e74f5 |
621 | |
| 19f796ed |
622 | } |
| b86e74f5 |
623 | |
| 19f796ed |
624 | //____________________________________________________________________________ |
| 625 | |
| 626 | void AliACORDEv0::Init() |
| 627 | { |
| 628 | // Initialise L3 magnet after it has been built |
| 629 | Int_t i; |
| 630 | if(AliLog::GetGlobalDebugLevel()>0) { |
| 631 | printf("\n%s: ",ClassName()); |
| 632 | for(i=0;i<35;i++) printf("*"); |
| 633 | printf(" ACORDEv0_INIT "); |
| 634 | for(i=0;i<35;i++) printf("*"); |
| 635 | printf("\n%s: ",ClassName()); |
| 636 | // Here the ACORDEv initialisation code (if any!) |
| 637 | for(i=0;i<80;i++) printf("*"); |
| 638 | printf("\n"); |
| 639 | } |
| 640 | // AliACORDE::Init(); |
| 641 | } |
| 642 | //____________________________________________________________________________ |
| 643 | void AliACORDEv0::StepManager() |
| 644 | { |
| 645 | // |
| 646 | // Called for every step in the Cosmic Ray Trigger |
| 647 | // |
| 648 | |
| 649 | |
| 650 | // volume: |
| 651 | // [0] = module number 1-60 (1==>(0-0), 60 (5-9) |
| 652 | // [1] = Plastic number: 0 (down) to 1 (up) |
| 653 | static Int_t vol[2]; |
| 654 | // |
| 655 | // hit |
| 656 | // [0] = PID |
| 657 | // [1-3] = x, y, z |
| 658 | // [4] = time |
| 659 | // [5-7] = px, py, pz |
| 660 | // [8] = energy |
| 661 | // [9] = energy loss |
| 662 | // [10] = length of track through plastic |
| 663 | static Float_t hits[11]; |
| 664 | |
| 665 | // local static variables |
| 666 | static Float_t eloss; |
| 667 | static Float_t step; |
| 668 | // scintillator volume |
| 669 | static Int_t idScint = gMC->VolId("ACORDE2"); |
| 670 | |
| 671 | // local variables |
| 672 | Int_t copy; |
| 673 | TLorentzVector pos; |
| 674 | TLorentzVector mom; |
| 675 | |
| 676 | // only charged tracks |
| 677 | if ( !gMC->TrackCharge() || !gMC->IsTrackAlive() ) return; |
| 678 | |
| 679 | // only in sensitive material |
| 680 | if (gMC->CurrentVolID(copy) == idScint) { |
| 681 | step += gMC->TrackStep(); |
| 682 | eloss += gMC->Edep(); |
| 683 | // set all hit variables except eloss which is resetted |
| 684 | // set volume variables |
| 685 | if (gMC->IsTrackEntering()) { |
| 686 | eloss = 0.0; |
| 687 | step = 0.0; |
| 688 | gMC->TrackPosition(pos); |
| 689 | gMC->TrackMomentum(mom); |
| 690 | // hit |
| 691 | // [0] = PID |
| 692 | // [1-3] = x, y, z |
| 693 | // [4] = time |
| 694 | // [5-7] = px, py, pz |
| 695 | // [8] = energy |
| 696 | // [9] = energy loss |
| 697 | hits[0] = (Float_t ) gMC->TrackPid(); |
| 698 | hits[1] = pos[0]; |
| 699 | hits[2] = pos[1]; |
| 700 | hits[3] = pos[2]; |
| 701 | hits[4] = gMC->TrackTime(); |
| 702 | hits[5] = mom[0]; |
| 703 | hits[6] = mom[1]; |
| 704 | hits[7] = mom[2]; |
| 705 | hits[8] = gMC->Etot(); |
| 706 | // volume: |
| 707 | // [0] = module number 1-60 (1==>(0-0), 60 (5-9) |
| 708 | // [1] = Plastic number: 0 (down) to 1 (up) |
| 709 | Int_t copyPlastic; // plastic: down=1, up=2 |
| 710 | Int_t copyModule; // module: 1-60 |
| 711 | gMC->CurrentVolID(copyPlastic); |
| 712 | gMC->CurrentVolOffID(1, copyModule); |
| 713 | // module |
| 714 | vol[0] = copyModule; |
| 715 | // plastic: 0 = down, 1 = up |
| 716 | vol[1] = copyPlastic; |
| 717 | } // end if gMC->IsTrackEntering() |
| 718 | |
| 719 | // set hit[9] = total energy loss and book hit |
| 720 | if( gMC->IsTrackExiting() || |
| 721 | gMC->IsTrackStop() || |
| 722 | gMC->IsTrackDisappeared()){ |
| 723 | hits[9] = eloss; |
| 724 | hits[10] = step; |
| 725 | eloss = 0.0; |
| 726 | step = 0.0; |
| 727 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits); |
| 728 | } |
| 729 | } // end if in scintillator |
| b86e74f5 |
730 | |
| 731 | } |
| 732 | |
| 733 | //_____________________________________________________________________________ |
| 19f796ed |
734 | void AliACORDEv0::AddHit(Int_t track, Int_t *vol, Float_t *hits) |
| b86e74f5 |
735 | { |
| 736 | // |
| 19f796ed |
737 | // Add a ACORDE hit |
| b86e74f5 |
738 | // |
| 19f796ed |
739 | TClonesArray &lhits = *fHits; |
| 740 | new(lhits[fNhits++]) AliACORDEhit(fIshunt,track,vol,hits); |
| b86e74f5 |
741 | } |
| 19f796ed |
742 | |
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