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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 | /* |
| 17 | $Id$ |
| 18 | */ |
| 19 | |
| 20 | #include <Riostream.h> |
| 21 | #include <stdio.h> |
| 22 | #include <stdlib.h> |
| 23 | #include <TMath.h> |
| 24 | #include <TGeometry.h> |
| 25 | #include <TNode.h> |
| 26 | #include <TTUBE.h> |
| 27 | #include <TTUBS.h> |
| 28 | #include <TPCON.h> |
| 29 | #include <TFile.h> // only required for Tracking function? |
| 30 | #include <TCanvas.h> |
| 31 | #include <TObjArray.h> |
| 32 | #include <TLorentzVector.h> |
| 33 | #include <TObjString.h> |
| 34 | #include <TClonesArray.h> |
| 35 | #include <TBRIK.h> |
| 36 | #include <TSystem.h> |
| 867f3305 |
37 | #include <TVirtualMC.h> |
| 5a30b198 |
38 | |
| 867f3305 |
39 | #include "AliMC.h" |
| 5a30b198 |
40 | #include "AliRun.h" |
| 41 | #include "AliMagF.h" |
| 42 | #include "AliConst.h" |
| 43 | #include "AliITSGeant3Geometry.h" |
| 44 | #include "AliTrackReference.h" |
| 45 | #include "AliITShit.h" |
| 46 | #include "AliITS.h" |
| 47 | #include "AliITSvSDD03.h" |
| 48 | #include "AliITSgeom.h" |
| 49 | #include "AliITSgeomSPD.h" |
| 50 | #include "AliITSgeomSDD.h" |
| 51 | #include "AliITSgeomSSD.h" |
| 52 | #include "AliITSDetType.h" |
| 53 | #include "AliITSresponseSPD.h" |
| 54 | #include "AliITSresponseSDD.h" |
| 55 | #include "AliITSresponseSSD.h" |
| 56 | #include "AliITSsegmentationSPD.h" |
| 57 | #include "AliITSsegmentationSDD.h" |
| 58 | #include "AliITSsegmentationSSD.h" |
| 59 | #include "AliITSsimulationSPD.h" |
| 60 | #include "AliITSsimulationSDD.h" |
| 61 | #include "AliITSsimulationSSD.h" |
| 62 | #include "AliITSClusterFinderSPD.h" |
| 63 | #include "AliITSClusterFinderSDD.h" |
| 64 | #include "AliITSClusterFinderSSD.h" |
| 65 | |
| 66 | |
| 67 | ClassImp(AliITSvSDD03) |
| 68 | |
| 69 | //______________________________________________________________________ |
| 70 | AliITSvSDD03::AliITSvSDD03() { |
| 71 | //////////////////////////////////////////////////////////////////////// |
| 72 | // Standard default constructor for the ITS SDD test beam 2002 version 1. |
| 73 | // Inputs: |
| 74 | // none. |
| 75 | // Outputs: |
| 76 | // none. |
| 77 | // Return: |
| 78 | // A default created class. |
| 79 | //////////////////////////////////////////////////////////////////////// |
| 80 | Int_t i; |
| 81 | |
| 82 | fIdN = 0; |
| 83 | fIdName = 0; |
| 84 | fIdSens = 0; |
| 85 | fEuclidOut = kFALSE; // Don't write Euclide file |
| 86 | fGeomDetOut = kFALSE; // Don't write .det file |
| 87 | fGeomDetIn = kFALSE; // Don't Read .det file |
| 88 | fMajorVersion = IsVersion(); |
| 89 | fMinorVersion = -1; |
| 90 | for(i=0;i<60;i++) fRead[i] = '\0'; |
| 91 | for(i=0;i<60;i++) fWrite[i] = '\0'; |
| 92 | for(i=0;i<60;i++) fEuclidGeomDet[i] = '\0'; |
| 93 | } |
| 94 | //______________________________________________________________________ |
| 95 | AliITSvSDD03::AliITSvSDD03(const char *title) : AliITS("ITS", title){ |
| 96 | //////////////////////////////////////////////////////////////////////// |
| 97 | // Standard constructor for the ITS SDD testbeam 2002 version 1. |
| 98 | // Inputs: |
| 99 | // const char *title title for this ITS geometry. |
| 100 | // Outputs: |
| 101 | // none. |
| 102 | // Return: |
| 103 | // A standard created class. |
| 104 | //////////////////////////////////////////////////////////////////////// |
| 105 | Int_t i; |
| 106 | |
| 107 | fIdN = 2; |
| 108 | fIdName = new TString[fIdN]; |
| 109 | fIdName[0] = "IMBS"; |
| 110 | fIdName[1] = "ITST"; |
| 111 | fIdSens = new Int_t[fIdN]; |
| 112 | for(i=0;i<fIdN;i++) fIdSens[i] = 0; |
| 113 | fMajorVersion = IsVersion(); |
| 114 | fMinorVersion = 2; |
| 115 | fEuclidOut = kFALSE; // Don't write Euclide file |
| 116 | fGeomDetOut = kFALSE; // Don't write .det file |
| 117 | fGeomDetIn = kFALSE; // Don't Read .det file |
| 118 | SetThicknessDet1(); |
| 119 | SetThicknessDet2(); |
| 120 | SetThicknessChip1(); |
| 121 | SetThicknessChip2(); |
| 122 | |
| 123 | fEuclidGeometry="$ALICE_ROOT/ITS/ITSgeometry_vSDD032.euc"; |
| 124 | strncpy(fEuclidGeomDet,"$ALICE_ROOT/ITS/ITSgeometry_vSDD032.det",60); |
| 125 | strncpy(fRead,fEuclidGeomDet,60); |
| 126 | strncpy(fWrite,fEuclidGeomDet,60); |
| 127 | } |
| 128 | //______________________________________________________________________ |
| 129 | AliITSvSDD03::AliITSvSDD03(const AliITSvSDD03 &source) : AliITS(source){ |
| 130 | //////////////////////////////////////////////////////////////////////// |
| 131 | // Copy Constructor for ITS SDD test beam 2002 version 1. |
| 132 | // This class is not to be copied. Function only dummy. |
| 133 | // Inputs: |
| 134 | // const AliITSvSDD03 &source The class to be copied |
| 135 | // Outputs: |
| 136 | // none. |
| 137 | // Return: |
| 138 | // A warning message. |
| 139 | //////////////////////////////////////////////////////////////////////// |
| 140 | if(&source == this) return; |
| 141 | Warning("Copy Constructor","Not allowed to copy AliITSvSDD03"); |
| 142 | return; |
| 143 | } |
| 144 | //______________________________________________________________________ |
| 145 | AliITSvSDD03& AliITSvSDD03::operator=(const AliITSvSDD03 &source){ |
| 146 | //////////////////////////////////////////////////////////////////////// |
| 147 | // Assignment operator for the ITS SDD test beam 2002 version 1. |
| 148 | // This class is not to be copied. Function only dummy. |
| 149 | // Inputs: |
| 150 | // const AliITSvSDD03 &source The class to be copied |
| 151 | // Outputs: |
| 152 | // none. |
| 153 | // Return: |
| 154 | // A Warning message |
| 155 | //////////////////////////////////////////////////////////////////////// |
| 156 | if(&source == this) return *this; |
| 157 | Warning("= operator","Not allowed to copy AliITSvSDD03"); |
| 158 | return *this; |
| 159 | } |
| 160 | //______________________________________________________________________ |
| 161 | AliITSvSDD03::~AliITSvSDD03() { |
| 162 | //////////////////////////////////////////////////////////////////////// |
| 163 | // Standard destructor for the ITS SDD test beam 2002 version 1. |
| 164 | // Inputs: |
| 165 | // none. |
| 166 | // Outputs: |
| 167 | // none. |
| 168 | // Return: |
| 169 | // none. |
| 170 | //////////////////////////////////////////////////////////////////////// |
| 171 | } |
| 172 | //______________________________________________________________________ |
| 173 | void AliITSvSDD03::BuildGeometry(){ |
| 174 | //////////////////////////////////////////////////////////////////////// |
| 175 | // Geometry builder for the ITS SDD test beam 2002 version 1. |
| 176 | // ALIC ALICE Mother Volume |
| 177 | // |- ITSV ITS Mother Volume |
| 178 | // |- IDET Detector under Test |
| 179 | // | |- ITS0 SDD Si Chip |
| 180 | // | | |- ITST SDD Sensitivve Volume |
| 181 | // | |- IPC0 *5 Readout chip |
| 182 | // |- ITEL *4 SDD Telescope |
| 183 | // |- IMB0 SDD Si Chip |
| 184 | // | |- IMBS SDD Sensitive volume |
| 185 | // |- ICMB Chip MiniBus. |
| 186 | // Inputs: |
| 187 | // none. |
| 188 | // Outputs: |
| 189 | // none. |
| 190 | // Return: |
| 191 | // none. |
| 192 | //////////////////////////////////////////////////////////////////////// |
| 193 | // Get the top alice volume. |
| 194 | TNode *ALIC = gAlice->GetGeometry()->GetNode("alice"); |
| 195 | ALIC->cd(); |
| 196 | |
| 197 | // Define ITS Mother Volume |
| 198 | Float_t data[3]; |
| 199 | Float_t ddettest=200.0E-4,ddettelescope=300.0E-4; |
| 200 | Float_t dchipMiniBus=750.0E-4,dchiptest=300.0E-4; |
| 201 | //Float_t yposition= 0.0; |
| 202 | TRotMatrix *r0 = new TRotMatrix("ITSidrotm0","ITSidrotm0", |
| 203 | 90.0,0,0.0,0,90.0,270.0); |
| 204 | data[0] = 10.0; |
| 205 | data[1] = 50.0; |
| 206 | data[2] = 100.0; |
| 207 | TBRIK *ITSVshape = new TBRIK("ITSVshape","ITS Logical Mother Volume","Air", |
| 208 | data[0],data[1],data[2]); |
| 209 | TNode *ITSV = new TNode("ITSV","ITS Mother Volume",ITSVshape, |
| 210 | 0.0,0.0,0.0,0,0); |
| 211 | ITSV->cd(); // set ourselve into ITSV subvolume of ALIC |
| 212 | |
| 213 | // SDD part of telescope (MiniBuS) |
| 214 | data[0] = 0.705; |
| 215 | data[1] = 0.5*ddettelescope; |
| 216 | data[2] = 3.536; |
| 217 | TBRIK *IMB0shape = new TBRIK("IMB0shape","SDD wafer","Si", |
| 218 | data[0],data[1],data[2]); |
| 219 | Float_t detMiniBusX,detMiniBusY,detMiniBusZ; |
| 220 | data[0] = detMiniBusX = 0.64; |
| 221 | data[1] = detMiniBusY = 0.5*ddettelescope; |
| 222 | data[2] = detMiniBusZ = 3.48; |
| 223 | TBRIK *IMBSshape = new TBRIK("IMBSshape","SDD Sensitive volume","Si", |
| 224 | data[0],data[1],data[2]); |
| 225 | Float_t chipMiniBusX,chipMiniBusY,chipMiniBusZ; |
| 226 | data[0] = chipMiniBusX = 0.793; |
| 227 | data[1] = chipMiniBusY = 0.5*dchipMiniBus; |
| 228 | data[2] = chipMiniBusZ = 0.68; |
| 229 | TBRIK *ICMBshape = new TBRIK("ICMBshape","chip Minibus","Si", |
| 230 | data[0],data[1],data[2]); |
| 231 | data[0] = TMath::Max(detMiniBusX,chipMiniBusX); |
| 232 | data[1] = detMiniBusY+chipMiniBusY; |
| 233 | data[2] = TMath::Max(detMiniBusZ,chipMiniBusZ); |
| 234 | TBRIK *ITELshape = new TBRIK("ITELshape","ITELshape","Air", |
| 235 | data[0],data[1],data[2]); |
| 236 | |
| 237 | // SDD under test |
| 238 | Float_t spdX,spdY,spdZ,spdchipX,spdchipY,spdchipZ; |
| 239 | data[0] = 0.705; |
| 240 | data[1] = ddettest; |
| 241 | data[2] = 3.536; |
| 242 | TBRIK *ITS0shape = new TBRIK("ITS0shape","SDD wafer","Si", |
| 243 | data[0],data[1],data[2]); // contains detector |
| 244 | data[0] = spdX = 0.64; |
| 245 | data[1] = spdY = ddettest; |
| 246 | data[2] = spdZ = 3.48; |
| 247 | TBRIK *ITSTshape = new TBRIK("ITSTshape","SDD sensitive volume","Si", |
| 248 | data[0],data[1],data[2]); |
| 249 | // ITS0 with no translation and unit rotation matrix. |
| 250 | data[0] = spdchipX = 0.793; |
| 251 | data[1] = spdchipY = dchiptest; |
| 252 | data[2] = spdchipZ = 0.68; |
| 253 | TBRIK *IPC0shape = new TBRIK("IPC0shape","Readout Chips","Si", |
| 254 | data[0],data[1],data[2]); // chip under test |
| 255 | data[0] = TMath::Max(spdchipX,spdX); |
| 256 | data[1] = spdY+spdchipY; |
| 257 | data[2] = TMath::Max(spdchipZ,spdZ); |
| 258 | TBRIK *IDETshape = new TBRIK("IDETshape","Detector Under Test","Air", |
| 259 | data[0],data[1],data[2]); |
| 260 | // Place volumes in geometry |
| 261 | Int_t i,j; |
| 262 | char name[20],title[50]; |
| 263 | Double_t px=0.0,py=0.0,pz[4]={-38.0,0.0,0.0,0.0}; |
| 264 | pz[1] = pz[0]+2.0; |
| 265 | pz[2] = pz[1]+38.0+spdY+spdchipY+34.5; |
| 266 | pz[3] = pz[2]+2.0; |
| 267 | TNode *ITEL[4],*ICMB[4],*IMB0[4],*IMBS[4]; |
| 268 | TNode *IDET = new TNode("IDET","Detector Under Test",IDETshape, |
| 269 | 0.0,0.0,pz[1]+38.0,r0,0); |
| 270 | IDET->cd(); |
| 271 | TNode *ITS0 = new TNode("ITS0","SDD Chip",ITS0shape, |
| 272 | 0.0,IDETshape->GetDy()-spdY,0.0,0,0); |
| 273 | TNode *IPC0[5]; |
| 274 | for(i=0;i<5;i++) { //place readout chips on the back of SDD chip under test |
| 275 | sprintf(name,"IPC0%d",i); |
| 276 | sprintf(title,"Readout chip #%d",i+1); |
| 277 | j = i-2; |
| 278 | IPC0[i] = new TNode(name,title,IPC0shape, |
| 279 | 0.0,spdchipY-IDETshape->GetDy(), |
| 280 | j*2.0*spdchipZ+j*0.25*(spdZ-5.*spdchipZ),0,0); |
| 281 | } // end for i |
| 282 | ITS0->cd(); |
| 283 | TNode *ITST = new TNode("ITST","SDD sensitive volume",ITSTshape, |
| 284 | 0.0,0.0,0.0,0,0); |
| 285 | for(Int_t i=0;i<4;i++){ |
| 286 | ITSV->cd(); |
| 287 | sprintf(name,"ITEL%d",i); |
| 288 | sprintf(title,"Test beam telescope element #%d",i+1); |
| 289 | ITEL[i] = new TNode(name,title,ITELshape,px,py,pz[i],r0,0); |
| 290 | ITEL[i]->cd(); |
| 291 | ICMB[i] = new TNode("ICMB","Chip MiniBus",ICMBshape, |
| 292 | 0.0,-ITELshape->GetDy()+detMiniBusY,0.0,0,0); |
| 293 | IMB0[i] = new TNode("IMB0","Chip MiniBus",IMB0shape, |
| 294 | 0.0, ITELshape->GetDy()-detMiniBusY,0.0,0,0); |
| 295 | IMB0[i]->cd(); |
| 296 | IMBS[i] = new TNode("IMBS","IMBS",IMBSshape,0.0,0.0,0.0,0,0); |
| 297 | // place IMBS inside IMB0 with no translation and unit rotation matrix. |
| 298 | } // end for i |
| 299 | ALIC->cd(); |
| 300 | ITST->SetLineColor(kYellow); |
| 301 | fNodes->Add(ITST); |
| 302 | for(i=0;i<4;i++){ |
| 303 | IMBS[i]->SetLineColor(kGreen); |
| 304 | fNodes->Add(IMBS[i]); |
| 305 | } // end for i |
| 306 | } |
| 307 | //______________________________________________________________________ |
| 308 | void AliITSvSDD03::CreateGeometry(){ |
| 309 | //////////////////////////////////////////////////////////////////////// |
| 310 | // This routine defines and Creates the geometry for version 1 of the ITS. |
| 311 | // ALIC ALICE Mother Volume |
| 312 | // |- ITSV ITS Mother Volume |
| 313 | // |- IDET Detector under Test (box containing SDD) |
| 314 | // | |-IDAI Air inside box |
| 315 | // | |- ITS0 SDD Si Chip |
| 316 | // | |- ITST SDD Sensitivve Volume |
| 317 | // |- ITEL *10 SSD Telescope (plastic box containting SSD's) |
| 318 | // | |- ITAI Air inside box |
| 319 | // | |- IMB0 SDD Si Chip |
| 320 | // | |- IMBS SDD Sensitive volume |
| 321 | // |-ISNT*4 Sintilator triggers |
| 322 | // Inputs: |
| 323 | // none. |
| 324 | // Outputs: |
| 325 | // none. |
| 326 | // Return: |
| 327 | // none. |
| 328 | //////////////////////////////////////////////////////////////////////// |
| 329 | Float_t data[49]; |
| 330 | // Define media off-set |
| 331 | Int_t *idtmed = fIdtmed->GetArray()+1; // array of media indexes |
| 332 | Int_t idrotm[4]; // Array of rotation matrix indexes |
| 333 | //Float_t ddettest=200.0E-4,ddettelescope=300.0E-4; |
| 334 | //Float_t dchipMiniBus=750.0E-4,dchiptest=300.0E-4; |
| 335 | //Float_t yposition= 0.0; |
| 336 | const Float_t kmm=0.1,kcm=1.0,kmicm=0.001; |
| 337 | |
| 338 | // Define Rotation-reflextion Matrixes needed |
| 339 | // 0 is the unit matrix |
| 340 | AliMatrix(idrotm[0], 90.0,0.0, 0.0,0.0, 90.0,270.0); // SDD and SSD X |
| 341 | AliMatrix(idrotm[1], 90.0,0.0, 0.0,0.0, 90.0,270.0); // SSD Y |
| 342 | data[0] = 100.0*kmm; |
| 343 | data[1] = 100.0*kmm; |
| 344 | data[2] = 800.0*kmm; |
| 345 | gMC->Gsvolu("ITSV","BOX ",idtmed[0],data,3); |
| 346 | gMC->Gspos("ITSV",1,"ALIC",0.0,0.0,0.0,0,"ONLY"); |
| 347 | |
| 348 | //cout << "idtmed[0]=" << idtmed[0]<<endl; |
| 349 | //cout << "idtmed[1]=" << idtmed[1]<<endl; |
| 350 | // Crossed sintilator triggers (2 in front 2 in back) |
| 351 | AliMatrix(idrotm[2],90.0,0.0,90.0,90.0,90.0,0.0);//Rotate about Z 90 degree |
| 352 | data[0] = 10.0*kcm; |
| 353 | data[1] = 2.0*kcm; |
| 354 | data[2] = 2.0*kmm; |
| 355 | gMC->Gsvolu("ISNT","BOX ",idtmed[3],data,3); |
| 356 | gMC->Gspos("ISNT",1,"ITSV",0.0,0.0,800.0*kmm+data[2],0,"ONLY"); |
| 357 | gMC->Gspos("ISNT",2,"ITSV",0.0,0.0,800.0*kmm,idrotm[2],"ONLY"); |
| 358 | gMC->Gspos("ISNT",3,"ITSV",0.0,0.0,-800.0*kmm,0,"ONLY"); |
| 359 | gMC->Gspos("ISNT",4,"ITSV",0.0,0.0,-800.0*kmm-data[2],idrotm[2],"ONLY"); |
| 360 | Float_t detMiniBusX,detMiniBusY,detMiniBusZ; |
| 361 | // SSD part of telescope (MiniBuS) |
| 362 | data[0] = detMiniBusX = 10600.0*kmicm; |
| 363 | data[1] = detMiniBusY = 0.0150*kcm; |
| 364 | data[2] = detMiniBusZ = 1.1*kcm; |
| 365 | gMC->Gsvolu("IMB0", "BOX ", idtmed[1], data, 3); // contains detector |
| 366 | data[0] = 0.5*384*50*kmicm; |
| 367 | data[1] = 0.1499*kcm; |
| 368 | data[2] = 1.0*kcm; |
| 369 | gMC->Gsvolu("IMBS","BOX ",idtmed[1],data,3); // sensitive detecor volulme |
| 370 | gMC->Gspos("IMBS",1,"IMB0",0.0,0.0,0.0,0,"ONLY"); // place IMBS inside |
| 371 | // Box containing SSD's |
| 372 | data[0] = 4.0*kcm; |
| 373 | data[1] = 0.500*kcm; |
| 374 | data[2] = 5.0*kcm; |
| 375 | gMC->Gsvolu("ITAI","BOX ",idtmed[0],data,3); |
| 376 | // Plastic box size = insize + thickness. |
| 377 | data[0] = data[0] + 2.0*kmm; |
| 378 | data[1] = data[1] + 200.0*kmicm; |
| 379 | data[2] = data[2] + 2.0*kmm; |
| 380 | gMC->Gsvolu("ITEL","BOX ",idtmed[4],data,3); |
| 381 | gMC->Gspos("ITAI",1,"ITEL",0.0,0.0,0.0,0,"ONLY"); |
| 382 | gMC->Gspos("IMB0",1,"ITAI",0.0,data[1]-detMiniBusY,0.0,0,"ONLY"); |
| 383 | |
| 384 | // SDD under test |
| 385 | Float_t sddX,sddY,sddZ; |
| 386 | data[0] = sddX = 3.62500*kcm; |
| 387 | data[1] = sddY = 0.01500*kcm; |
| 388 | data[2] = sddZ = 4.37940*kcm; |
| 389 | gMC->Gsvolu("ITS0", "BOX ", idtmed[1], data, 3); // contains detector |
| 390 | data[0] = 3.50860*kcm; |
| 391 | data[1] = 0.01499*kcm; |
| 392 | data[2] = 3.76320*kcm; |
| 393 | gMC->Gsvolu("ITST","BOX ",idtmed[1],data,3);// sensitive detecor volume |
| 394 | gMC->Gspos("ITST",1,"ITS0",0.0,0.0,0.0,0,"ONLY"); // place ITST inside |
| 395 | // Box containing SDD under test |
| 396 | data[0] = 4.0*kcm; |
| 397 | data[1] = 0.5*kcm; |
| 398 | data[2] = 5.0*kcm; |
| 399 | gMC->Gsvolu("IDAI","BOX ",idtmed[0],data,3); |
| 400 | data[0] = data[0] + 2.0*kmm; |
| 401 | data[1] = data[1] + 200.0*kmicm; |
| 402 | data[2] = data[2] = 2.0*kmm; |
| 403 | gMC->Gsvolu("IDET","BOX ",idtmed[0],data,3); |
| 404 | gMC->Gspos("IDAI",1,"IDET",0.0,0.0,0.0,0,"ONLY"); |
| 405 | gMC->Gspos("ITS0",1,"IDAI",0.0,0.0,0.0,0,"ONLY"); |
| 406 | |
| 407 | // Positions detectors, Beam Axis Z, X to the right, Y up to the sky. |
| 408 | Float_t p00X,p00Y,p00Z,p01X,p01Y,p01Z,p10X,p10Y,p10Z,p11X,p11Y,p11Z; |
| 409 | p00X = 0.0*kcm; |
| 410 | p00Y = 0.0*kcm; |
| 411 | p00Z = -694*kmm; |
| 412 | gMC->Gspos("ITEL",1,"ITSV",p00X,p00Y,p00Z,idrotm[0],"ONLY");//SSD X |
| 413 | p01X = 0.0*kcm; |
| 414 | p01Y = 0.0*kcm; |
| 415 | p01Z = -684*kmm; |
| 416 | gMC->Gspos("ITEL",2,"ITSV",p01X,p01Y,p01Z,idrotm[1],"ONLY");//SSD Y |
| 417 | p01X = 0.0*kcm; |
| 418 | p01Y = 0.0*kcm; |
| 419 | p01Z = -612*kmm; |
| 420 | gMC->Gspos("ITEL",3,"ITSV",p01X,p01Y,p01Z,idrotm[0],"ONLY");//SSD X |
| 421 | p01X = 0.0*kcm; |
| 422 | p01Y = 0.0*kcm; |
| 423 | p01Z = -602*kmm; |
| 424 | Float_t pdetX,pdetY,pdetZ; |
| 425 | gMC->Gspos("ITEL",4,"ITSV",p01X,p01Y,p01Z,idrotm[1],"ONLY");//SSD Y |
| 426 | pdetX = 0.0*kcm; |
| 427 | pdetY = 0.0*kcm; |
| 428 | pdetZ = 0.0*kcm; |
| 429 | gMC->Gspos("IDET",1,"ITSV",pdetX,pdetY,pdetZ,idrotm[0],"ONLY");// Detecor |
| 430 | p10X = 0.0*kcm; |
| 431 | p10Y = 0.0*kcm; |
| 432 | p10Z = +450.0*kmm; |
| 433 | gMC->Gspos("ITEL",5,"ITSV",p10X,p10Y,p10Z,idrotm[0],"ONLY");//SSD X |
| 434 | p11X = 0.0*kcm; |
| 435 | p11Y = 0.0*kcm; |
| 436 | p11Z = +460.0*kcm; |
| 437 | gMC->Gspos("ITEL",6,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y |
| 438 | p11X = 0.0*kcm; |
| 439 | p11Y = 0.0*kcm; |
| 440 | p11Z = +540.0*kcm; |
| 441 | gMC->Gspos("ITEL",7,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");//SSD X |
| 442 | p11X = 0.0*kcm; |
| 443 | p11Y = 0.0*kcm; |
| 444 | p11Z = +550.0*kcm; |
| 445 | gMC->Gspos("ITEL",8,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y |
| 446 | p11X = 0.0*kcm; |
| 447 | p11Y = 0.0*kcm; |
| 448 | p11Z = +737.0*kcm; |
| 449 | gMC->Gspos("ITEL",9,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");//SSD X |
| 450 | p11X = 0.0*kcm; |
| 451 | p11Y = 0.0*kcm; |
| 452 | p11Z = +747.0*kcm; |
| 453 | gMC->Gspos("ITEL",10,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y |
| 454 | } |
| 455 | //______________________________________________________________________ |
| 456 | void AliITSvSDD03::CreateMaterials(){ |
| 457 | //////////////////////////////////////////////////////////////////////// |
| 458 | // |
| 459 | // Create ITS SDD test beam materials |
| 460 | // This function defines the default materials used in the Geant |
| 461 | // Monte Carlo simulations for the geometries AliITSv1, AliITSv3, |
| 462 | // AliITSvSDD03. |
| 463 | // In general it is automatically replaced by |
| 464 | // the CreatMaterials routine defined in AliITSv?. Should the function |
| 465 | // CreateMaterials not exist for the geometry version you are using this |
| 466 | // one is used. See the definition found in AliITSv5 or the other routine |
| 467 | // for a complete definition. |
| 468 | // |
| 469 | // Inputs: |
| 470 | // none. |
| 471 | // Outputs: |
| 472 | // none. |
| 473 | // Return: |
| 474 | // none. |
| 475 | ///////////////////////////////////////////////////////////////////////// |
| 476 | Float_t tmaxfdSi = 0.1; // Degree |
| 477 | Float_t stemaxSi = 0.0075; // cm |
| 478 | Float_t deemaxSi = 0.1; // Fraction of particle's energy 0<deemax<=1 |
| 479 | Float_t epsilSi = 1.0E-4;// |
| 480 | Float_t stminSi = 0.0; // cm "Default value used" |
| 481 | |
| 482 | Float_t tmaxfdAir = 0.1; // Degree |
| 483 | Float_t stemaxAir = .10000E+01; // cm |
| 484 | Float_t deemaxAir = 0.1; // Fraction of particle's energy 0<deemax<=1 |
| 485 | Float_t epsilAir = 1.0E-4;// |
| 486 | Float_t stminAir = 0.0; // cm "Default value used" |
| 487 | Int_t ifield = gAlice->Field()->Integ(); |
| 488 | Float_t fieldm = gAlice->Field()->Max(); |
| 489 | // |
| 490 | const Float_t kgpcm3=1.0,kcm=1.0; |
| 491 | // |
| 492 | Float_t z[10],a[10],w[10]; |
| 493 | |
| 494 | z[0] = 7.0; a[0] = 14.00674; w[0] = 0.80; |
| 495 | z[1] = 8.0; a[1] = 15.99940; w[1] = 0.20; |
| 496 | AliMixture(1,"AIR$",a,z,0.12050E-02*kgpcm3,2,w); |
| 497 | AliMedium(1,"AIR$",1,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir, |
| 498 | epsilAir,stminAir); |
| 499 | |
| 500 | AliMaterial(2,"SI$",0.28086E+02,0.14000E+02,0.23300E+01, |
| 501 | 0.93600E+01*kcm,0.99900E+03); |
| 502 | AliMedium(2,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi, |
| 503 | epsilSi,stminSi); |
| 504 | // sintilator is basicaly polystyrene |
| 505 | z[0] = 7.0; a[0] = 14.00674; w[0] = 0.80; |
| 506 | AliMixture(3,"Sintilator$",a,z,1.032*kgpcm3,0,w); |
| 507 | AliMedium(3,"Sintilator$",3,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi, |
| 508 | epsilSi,stminSi); |
| 509 | // assumed to be Lucite/Plexiglas |
| 510 | z[0] = 7.0; a[0] = 14.00674; w[0] = 0.80; |
| 511 | AliMixture(4,"PlasticBox$",a,z,1.18*kgpcm3,0,w); |
| 512 | AliMedium(4,"PlasticBox$",4,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi, |
| 513 | epsilSi,stminSi); |
| 514 | } |
| 515 | //______________________________________________________________________ |
| 516 | void AliITSvSDD03::InitAliITSgeom(){ |
| 517 | // Based on the geometry tree defined in Geant 3.21, this |
| 518 | // routine initilizes the Class AliITSgeom from the Geant 3.21 ITS geometry |
| 519 | // sturture. |
| 520 | // Inputs: |
| 521 | // none. |
| 522 | // Outputs: |
| 523 | // none. |
| 524 | // Return: |
| 525 | // none. |
| 526 | if(strcmp(gMC->GetName(),"TGeant3")) { |
| 527 | Error("InitAliITSgeom", |
| 528 | "Wrong Monte Carlo. InitAliITSgeom uses TGeant3 calls"); |
| 529 | return; |
| 530 | } // end if |
| 531 | cout << "Reading Geometry transformation directly from Geant 3." << endl; |
| 532 | const Int_t np=384; |
| 533 | const Float_t pitch=50.E-4;/*cm*/ |
| 534 | Float_t box[3]={0.5*pitch*(Float_t)np,150.E-4,1.0},p[np],n[np]; |
| 535 | const Int_t ltypess = 2; |
| 536 | const Int_t nlayers = 6; |
| 537 | const Int_t ndeep = 6; |
| 538 | Int_t itsGeomTreeNames[ltypess][ndeep],lnam[20],lnum[20]; |
| 539 | Int_t nlad[nlayers],ndet[nlayers]; |
| 540 | Double_t t[3],r[10]; |
| 541 | Float_t par[20],att[20]; |
| 542 | Int_t npar,natt,idshape,imat,imed; |
| 543 | AliITSGeant3Geometry *ig = new AliITSGeant3Geometry(); |
| 544 | Int_t mod,typ,lay,lad,det,cpy,i,j,k; |
| 545 | Char_t names[ltypess][ndeep][4]; |
| 546 | Int_t itsGeomTreeCopys[ltypess][ndeep]; |
| 547 | Char_t *namesA[ltypess][ndeep] = { |
| 548 | {"ALIC","ITSV","ITEL","ITIA","IMB0","IMBS"}, // lay=5 |
| 549 | {"ALIC","ITSV","IDET","IDAI","ITS0","ITST"}};// Test SDD |
| 550 | Int_t itsGeomTreeCopysA[ltypess][ndeep]= {{1,1,10,1,1,1},// lay=5 |
| 551 | {1,1,1,1,1,1}};//lay=3 TestSDD |
| 552 | for(i=0;i<ltypess;i++)for(j=0;j<ndeep;j++){ |
| 553 | for(k=0;k<4;k++) names[i][j][k] = namesA[i][j][k]; |
| 554 | itsGeomTreeCopys[i][j] = itsGeomTreeCopysA[i][j]; |
| 555 | } // end for i,j |
| 556 | for(i=0;i<np;i++){// Fill in anode and cathode strip locations (lower edge) |
| 557 | p[i] = 0.5*pitch*(Float_t)np + pitch*(Float_t)i; |
| 558 | n[i] = pitch*(Float_t)np - p[i]; |
| 559 | } // end for i |
| 560 | // Sorry, but this is not very pritty code. It should be replaced |
| 561 | // at some point with a version that can search through the geometry |
| 562 | // tree its self. |
| 563 | cout << "Reading Geometry informaton from Geant3 common blocks" << endl; |
| 564 | for(i=0;i<20;i++) lnam[i] = lnum[i] = 0; |
| 565 | for(i=0;i<ltypess;i++)for(j=0;j<ndeep;j++) |
| 566 | strncpy((char*) &itsGeomTreeNames[i][j],names[i][j],4); |
| 567 | // itsGeomTreeNames[i][j] = ig->StringToInt(names[i][j]); |
| 568 | mod = 5; |
| 569 | if(fITSgeom!=0) delete fITSgeom; |
| 570 | nlad[0]=1;nlad[1]=1;nlad[2]=1;nlad[3]=1;nlad[4]=1; |
| 571 | ndet[0]=1;ndet[1]=1;ndet[2]=1;ndet[3]=1;ndet[4]=1; |
| 572 | fITSgeom = new AliITSgeom(0,nlayers,nlad,ndet,mod); |
| 573 | for(typ=1;typ<=ltypess;typ++){ |
| 574 | for(j=0;j<ndeep;j++) lnam[j] = itsGeomTreeNames[typ-1][j]; |
| 575 | for(j=0;j<ndeep;j++) lnum[j] = itsGeomTreeCopys[typ-1][j]; |
| 576 | lad = 1; |
| 577 | det = 1; |
| 578 | for(cpy=1;cpy<=itsGeomTreeCopys[typ-1][2];cpy++){ |
| 579 | lnum[2] = cpy; |
| 580 | lay = cpy; |
| 581 | if(cpy>2 && typ==1) lay = cpy +1; |
| 582 | if(typ==2) lay = 3; |
| 583 | mod = lay-1; |
| 584 | ig->GetGeometry(ndeep,lnam,lnum,t,r,idshape,npar,natt,par,att, |
| 585 | imat,imed); |
| 586 | if(!(fITSgeom->IsShapeDefined((Int_t)kSDD)))if(typ==1){ |
| 587 | fITSgeom->CreatMatrix(mod,lay,lad,det,kSDD,t,r); |
| 588 | fITSgeom->ReSetShape(kSDD,new AliITSgeomSDD256(npar,par)); |
| 589 | }else{ |
| 590 | fITSgeom->CreatMatrix(mod,lay,lad,det,kSSD,t,r); |
| 591 | fITSgeom->ReSetShape(kSSD,new AliITSgeomSSD(box,0.0,0.0, |
| 592 | np+1,p,np+1,n)); |
| 593 | } // end if |
| 594 | } // end for cpy |
| 595 | } // end for typ |
| 596 | return; |
| 597 | } |
| 598 | //______________________________________________________________________ |
| 599 | void AliITSvSDD03::Init(){ |
| 600 | //////////////////////////////////////////////////////////////////////// |
| 601 | // Initialise the ITS after it has been created. |
| 602 | // Inputs: |
| 603 | // none. |
| 604 | // Outputs: |
| 605 | // none. |
| 606 | // Return: |
| 607 | // none. |
| 608 | //////////////////////////////////////////////////////////////////////// |
| 609 | Int_t i; |
| 610 | |
| 611 | cout << endl; |
| 612 | for(i=0;i<26;i++) cout << "*"; |
| 613 | cout << " AliITSvSDD03" << fMinorVersion << "_Init "; |
| 614 | for(i=0;i<25;i++) cout << "*";cout << endl; |
| 615 | // |
| 616 | if(fRead[0]=='\0') strncpy(fRead,fEuclidGeomDet,60); |
| 617 | if(fWrite[0]=='\0') strncpy(fWrite,fEuclidGeomDet,60); |
| 618 | if(fITSgeom!=0) delete fITSgeom; |
| 619 | fITSgeom = new AliITSgeom(); |
| 620 | if(fGeomDetIn) fITSgeom->ReadNewFile(fRead); |
| 621 | if(!fGeomDetIn) this->InitAliITSgeom(); |
| 622 | if(fGeomDetOut) fITSgeom->WriteNewFile(fWrite); |
| 623 | AliITS::Init(); |
| 624 | // |
| 625 | for(i=0;i<72;i++) cout << "*"; |
| 626 | cout << endl; |
| 627 | fIDMother = gMC->VolId("ITSV"); // ITS Mother Volume ID. |
| 628 | } |
| 629 | //______________________________________________________________________ |
| 630 | void AliITSvSDD03::SetDefaults(){ |
| 631 | // sets the default segmentation, response, digit and raw cluster classes |
| 632 | // Inputs: |
| 633 | // none. |
| 634 | // Outputs: |
| 635 | // none. |
| 636 | // Return: |
| 637 | // none. |
| 638 | const Float_t kconv = 1.0e+04; // convert cm to microns |
| 639 | |
| 640 | Info("SetDefaults","Setting up only SDD detector"); |
| 641 | |
| 642 | AliITSDetType *iDetType; |
| 643 | AliITSgeomSDD *s1; |
| 644 | AliITSgeomSSD *s2; |
| 645 | //Int_t i; |
| 646 | //Float_t bx[256],bz[280]; |
| 647 | |
| 648 | // SDD |
| 649 | iDetType=DetType(kSDD); |
| 650 | s1 = (AliITSgeomSDD*) fITSgeom->GetShape(kSDD);// Get shape info. Do it this way for now. |
| 651 | AliITSresponseSDD *resp1=new AliITSresponseSDD("simulated"); |
| 652 | SetResponseModel(kSDD,resp1); |
| 653 | AliITSsegmentationSDD *seg1=new AliITSsegmentationSDD(fITSgeom,resp1); |
| 654 | seg1->SetDetSize(s1->GetDx()*kconv, // base this on AliITSgeomSDD |
| 655 | s1->GetDz()*2.*kconv, // for now. |
| 656 | s1->GetDy()*2.*kconv); // x,z,y full width in microns. |
| 657 | seg1->SetNPads(256,256);// Use AliITSgeomSDD for now |
| 658 | SetSegmentationModel(kSDD,seg1); |
| 659 | const char *kData1=(iDetType->GetResponseModel())->DataType(); |
| 660 | const char *kopt=iDetType->GetResponseModel()->ZeroSuppOption(); |
| 661 | if((!strstr(kopt,"2D")) && (!strstr(kopt,"1D")) || strstr(kData1,"real") ){ |
| 662 | iDetType->ClassNames("AliITSdigit","AliITSRawClusterSDD"); |
| 663 | } else iDetType->ClassNames("AliITSdigitSDD","AliITSRawClusterSDD"); |
| 664 | // SetSimulationModel(kSDD,new AliITSsimulationSDD(seg1,resp1)); |
| 665 | // iDetType->ReconstructionModel(new AliITSClusterFinderSDD()); |
| 666 | |
| 667 | // SSD Layer 5 |
| 668 | iDetType=DetType(kSSD); |
| 669 | s2 = (AliITSgeomSSD*) fITSgeom->GetShape(kSSD);// Get shape info. Do it this way for now. |
| 670 | AliITSresponse *resp2=new AliITSresponseSSD("simulated"); |
| 671 | SetResponseModel(kSSD,resp2); |
| 672 | AliITSsegmentationSSD *seg2=new AliITSsegmentationSSD(fITSgeom); |
| 673 | seg2->SetDetSize(s2->GetDx()*2.*kconv, // base this on AliITSgeomSSD |
| 674 | s2->GetDz()*2.*kconv, // for now. |
| 675 | s2->GetDy()*2.*kconv); // x,z,y full width in microns. |
| 676 | seg2->SetPadSize(95.,0.); // strip x pitch in microns |
| 677 | seg2->SetNPads(768,0); // number of strips on each side. |
| 678 | seg2->SetAngles(0.0075,0.0275); // strip angels rad P and N side. |
| 679 | seg2->SetAnglesLay5(0.0075,0.0275); // strip angels rad P and N side. |
| 680 | seg2->SetAnglesLay6(0.0275,0.0075); // strip angels rad P and N side. |
| 681 | SetSegmentationModel(kSSD,seg2); |
| 682 | const char *kData2=(iDetType->GetResponseModel())->DataType(); |
| 683 | if(strstr(kData2,"real") ) iDetType->ClassNames("AliITSdigit", |
| 684 | "AliITSRawClusterSSD"); |
| 685 | else iDetType->ClassNames("AliITSdigitSSD","AliITSRawClusterSSD"); |
| 686 | // SetSimulationModel(kSSD,new AliITSsimulationSSD(seg2,resp2)); |
| 687 | // iDetType->ReconstructionModel(new AliITSClusterFinderSSD()); |
| 688 | |
| 689 | if(kNTYPES>3){ |
| 690 | Warning("SetDefaults", |
| 691 | "Only the four basic detector types are initialised!"); |
| 692 | }// end if |
| 693 | return; |
| 694 | } |
| 695 | //______________________________________________________________________ |
| 696 | void AliITSvSDD03::DrawModule(){ |
| 697 | //////////////////////////////////////////////////////////////////////// |
| 698 | // Draw a shaded view of the ITS SDD test beam version 1. |
| 699 | // Inputs: |
| 700 | // none. |
| 701 | // Outputs: |
| 702 | // none. |
| 703 | // Return: |
| 704 | // none. |
| 705 | //////////////////////////////////////////////////////////////////////// |
| 706 | // Set everything unseen |
| 707 | gMC->Gsatt("*", "seen", -1); |
| 708 | // Set ALIC mother visible |
| 709 | gMC->Gsatt("ALIC","SEEN",0); |
| 710 | // Set ALIC ITS visible |
| 711 | gMC->Gsatt("ITSV","SEEN",0); |
| 712 | // Set ALIC Telescopes visible |
| 713 | gMC->Gsatt("ITEL","SEEN",0); |
| 714 | // Set ALIC detetcor visible |
| 715 | gMC->Gsatt("IDET","SEEN",0); |
| 716 | // Set Detector chip mother visible and drawn |
| 717 | gMC->Gsatt("IPC0","SEEN",1); |
| 718 | // Set Detector mother visible and drawn |
| 719 | gMC->Gsatt("ITS0","SEEN",1); |
| 720 | // Set minibus chip mother visible and drawn |
| 721 | gMC->Gsatt("ICMB","SEEN",1); |
| 722 | // Set minibus mother visible and drawn |
| 723 | gMC->Gsatt("IMB0","SEEN",1); |
| 724 | } |
| 725 | //______________________________________________________________________ |
| 726 | void AliITSvSDD03::StepManager(){ |
| 727 | //////////////////////////////////////////////////////////////////////// |
| 728 | // Called for every step in the ITS SDD test beam, then calles the |
| 729 | // AliITShit class creator with the information to be recoreded about |
| 730 | // that hit. |
| 731 | // The value of the macro ALIITSPRINTGEOM if set to 1 will allow the |
| 732 | // printing of information to a file which can be used to create a .det |
| 733 | // file read in by the routine CreateGeometry(). If set to 0 or any other |
| 734 | // value except 1, the default behavior, then no such file is created nor |
| 735 | // it the extra variables and the like used in the printing allocated. |
| 736 | // Inputs: |
| 737 | // none. |
| 738 | // Outputs: |
| 739 | // none. |
| 740 | // Return: |
| 741 | // none. |
| 742 | //////////////////////////////////////////////////////////////////////// |
| 743 | Int_t copy, id; |
| 744 | TLorentzVector position, momentum; |
| 745 | static TLorentzVector position0; |
| 746 | static Int_t stat0=0; |
| 747 | if((id=gMC->CurrentVolID(copy) == fIDMother)&& |
| 748 | (gMC->IsTrackEntering()||gMC->IsTrackExiting())){ |
| 749 | copy = fTrackReferences->GetEntriesFast(); |
| 750 | TClonesArray &lTR = *fTrackReferences; |
| 751 | // Fill TrackReference structure with this new TrackReference. |
| 752 | new(lTR[copy]) AliTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber()); |
| 753 | } // if Outer ITS mother Volume |
| 754 | if(!(this->IsActive())){ |
| 755 | return; |
| 756 | } // end if !Active volume. |
| 757 | Int_t vol[5]; |
| 758 | TClonesArray &lhits = *fHits; |
| 759 | // |
| 760 | // Track status |
| 761 | vol[3] = 0; |
| 762 | vol[4] = 0; |
| 763 | if(gMC->IsTrackInside()) vol[3] += 1; |
| 764 | if(gMC->IsTrackEntering()) vol[3] += 2; |
| 765 | if(gMC->IsTrackExiting()) vol[3] += 4; |
| 766 | if(gMC->IsTrackOut()) vol[3] += 8; |
| 767 | if(gMC->IsTrackDisappeared()) vol[3] += 16; |
| 768 | if(gMC->IsTrackStop()) vol[3] += 32; |
| 769 | if(gMC->IsTrackAlive()) vol[3] += 64; |
| 770 | // |
| 771 | // Fill hit structure. |
| 772 | if(!(gMC->TrackCharge())) return; |
| 773 | id = gMC->CurrentVolID(copy); |
| 774 | if(id==fIdSens[0]){ // Volume name "IMBS" |
| 775 | vol[2] = 1; // detector |
| 776 | id = gMC->CurrentVolOffID(3,copy); |
| 777 | //detector copy in the ladder = 1<->4 (ITS1 < I101 < I103 < I10A) |
| 778 | vol[1] = copy; // ladder |
| 779 | vol[0] = 5; // Lay |
| 780 | if(copy>4){ |
| 781 | vol[0] = 6; |
| 782 | vol[1] = copy - 4; |
| 783 | } // end if |
| 784 | if(copy>2) vol[0]++; |
| 785 | } else if(id == fIdSens[1]){ // Volume name "ITST" |
| 786 | vol[0] = 3; // layer |
| 787 | vol[1] = 1; // ladder |
| 788 | id = gMC->CurrentVolOffID(3,copy); |
| 789 | //detector copy in the ladder = 1<->4 (ITS2 < I1D1 < I1D3 < I20A) |
| 790 | vol[2] = 1; // detector |
| 791 | } else return; // end if |
| 792 | // |
| 793 | gMC->TrackPosition(position); |
| 794 | gMC->TrackMomentum(momentum); |
| 795 | vol[4] = stat0; |
| 796 | if(gMC->IsTrackEntering()){ |
| 797 | position0 = position; |
| 798 | stat0 = vol[3]; |
| 799 | return; |
| 800 | } // end if IsEntering |
| 801 | // Fill hit structure with this new hit only for non-entrerance hits. |
| 802 | else new(lhits[fNhits++]) AliITShit(fIshunt, |
| 803 | gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, |
| 804 | gMC->Edep(),gMC->TrackTime(),position, |
| 805 | position0,momentum); |
| 806 | // |
| 807 | position0 = position; |
| 808 | stat0 = vol[3]; |
| 809 | |
| 810 | return; |
| 811 | } |
| 812 | |
git://git.uio.no / u / mrichter / AliRoot.git / blame