MUON/AliMUONSlatGeometryBuilder.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
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  15
  16 // $Id$
  17 //
  18 // Class AliMUONSlatGeometryBuilder
  19 // -------------------------------
  20 // Abstract base class for geometry construction per chamber.
  21 //
  22
  23
  24
  25 // This Builder is designed according to the enveloppe methode. The basic idea is to be able to allow moves
  26 // of the slats on the support panels.
  27 // Those moves can be described with a simple set of parameters. The next step should be now to describe all
  28 // the slats and their places by a unique
  29 // class, which would make the SlatBuilder far more compact since now only three parameters can define a slat
  30 // and its position, like:
  31 //   * Bool_t rounded_shape_slat
  32 //   * Float_t slat_length
  33 //   * Float_t slat_number or Float_t slat_position
  34
  35 #include <TVirtualMC.h>
  36 #include <TGeoBBox.h>
  37 #include <TGeoVolume.h>
  38 #include <TGeoManager.h>
  39 #include <TGeoMatrix.h>
  40 #include <TGeoCompositeShape.h>
  41 #include <TGeoTube.h>
  42
  43 #include <Riostream.h>
  44
  45 #include "AliRun.h"
  46 #include "AliLog.h"
  47
  48 #include "AliMUONSlatGeometryBuilder.h"
  49 #include "AliMUON.h"
  50 #include "AliMUONConstants.h"
  51 #include "AliMUONGeometryModule.h"
  52 #include "AliMUONGeometryEnvelopeStore.h"
  53 #include "AliMUONConstants.h"
  54
  55 /// \cond CLASSIMP
  56 ClassImp(AliMUONSlatGeometryBuilder)
  57 /// \endcond
  58
  59 //______________________________________________________________________________
  60 AliMUONSlatGeometryBuilder::AliMUONSlatGeometryBuilder(AliMUON* muon)
  61  : AliMUONVGeometryBuilder(4, 5, 6, 7, 8, 9),
  62    fMUON(muon)
  63 {
  64 // Standard constructor
  65
  66 }
  67
  68 //______________________________________________________________________________
  69 AliMUONSlatGeometryBuilder::AliMUONSlatGeometryBuilder()
  70  : AliMUONVGeometryBuilder(),
  71    fMUON(0)
  72 {
  73 // Default constructor
  74 }
  75
  76 //______________________________________________________________________________
  77 AliMUONSlatGeometryBuilder::~AliMUONSlatGeometryBuilder() {
  78 //
  79 }
  80
  81 //
  82 // public methods
  83 //
  84
  85 //______________________________________________________________________________
  86 void AliMUONSlatGeometryBuilder::CreateGeometry()
  87 {
  88   // CreateGeometry is the method containing all the informations concerning Stations 345 geometry.
  89   // It includes description and placements of support panels and slats.
  90   // The code comes directly from what was written in AliMUONv1.cxx before, with modifications concerning
  91   // the use of Enveloppe method to place the Geant volumes.
  92   // Now, few changes would allow the creation of a Slat methode where slat could be described by few parameters,
  93   // and this builder would then be dedicated only to the
  94   // placements of the slats. Those modifications could shorten the Station 345 geometry by a non-negligeable factor...
  95
  96   Int_t *idtmed = fMUON->GetIdtmed()->GetArray()-1099;
  97
  98   Float_t angle;
  99   Float_t *dum=0;
 100
 101   // define the id of tracking media:
 102   Int_t idAir    = idtmed[1100]; // medium 1
 103   Int_t idGas    = idtmed[1108]; // medium 9 = Ar-CO2 gas (80%+20%)
 104   Int_t idCopper = idtmed[1110];
 105   Int_t idG10    = idtmed[1111];
 106   Int_t idCarbon = idtmed[1112];
 107   Int_t idRoha   = idtmed[1113];
 108   Int_t idNomex  = idtmed[1114]; // honey comb
 109   Int_t idNoryl  = idtmed[1115];
 110   Int_t idNomexB = idtmed[1116]; // bulk material
 111
 112   // Getting mediums for pannel support geometry
 113   TGeoMedium* kMedNomex     = gGeoManager->GetMedium("MUON_Nomex");
 114   TGeoMedium* kMedCarbon    = gGeoManager->GetMedium("MUON_CARBON");
 115
 116   // sensitive area: 40*40 cm**2
 117   const Float_t kSensLength = 40.;
 118   const Float_t kSensHeight = 40.;
 119   const Float_t kSensWidth  = AliMUONConstants::Pitch()*2;// 0.5 cm, according to TDR fig 2.120
 120   const Int_t kSensMaterial = idGas;
 121   //     const Float_t kYoverlap   = 1.5;
 122
 123   // PCB dimensions in cm; width: 30 mum copper
 124   const Float_t kPcbLength  = kSensLength;
 125   const Float_t kPcbHeight  = 58.; // updated Ch. Finck
 126   const Float_t kPcbWidth   = 0.003;
 127   const Int_t kPcbMaterial  = idCopper;
 128
 129   // Insulating material: 220 mum G10 fiber  glued to pcb
 130   const Float_t kInsuLength = kPcbLength;
 131   const Float_t kInsuHeight = kPcbHeight;
 132   const Float_t kInsuWidth  = 0.022;  // updated Ch. Finck
 133   const Int_t kInsuMaterial = idG10;
 134
 135   // Carbon fiber panels: 200mum carbon/epoxy skin
 136   const Float_t kCarbonWidth  = 0.020;
 137   const Int_t kCarbonMaterial = idCarbon;
 138
 139   // Nomex (honey comb) between the two panel carbon skins
 140   const Float_t kNomexLength = kSensLength;
 141   const Float_t kNomexHeight = kSensHeight;
 142   const Float_t kNomexWidth  = 0.8; // updated Ch. Finck
 143   const Int_t kNomexMaterial = idNomex;
 144
 145   // Bulk Nomex under panel sandwich Ch. Finck
 146   const Float_t kNomexBWidth  = 0.025;
 147   const Int_t kNomexBMaterial = idNomexB;
 148
 149   // Panel sandwich 0.02 carbon*2 + 0.8 nomex
 150   const Float_t kPanelLength = kSensLength;
 151   const Float_t kPanelHeight = kSensHeight;
 152   const Float_t kPanelWidth  = 2 * kCarbonWidth + kNomexWidth;
 153
 154   // Frame along the rounded (spacers) slats
 155   const Float_t kRframeHeight = 2.00;
 156
 157   // spacer around the slat: 2 sticks along length,2 along height
 158   // H: the horizontal ones
 159   const Float_t kHframeLength = kPcbLength;
 160   const Float_t kHframeHeight = 1.95; // updated Ch. Finck
 161   const Float_t kHframeWidth  = kSensWidth;
 162   const Int_t kHframeMaterial = idNoryl;
 163
 164   // V: the vertical ones; vertical spacers
 165   const Float_t kVframeLength = 2.5;
 166   const Float_t kVframeHeight = kSensHeight + kHframeHeight;
 167   const Float_t kVframeWidth  = kSensWidth;
 168   const Int_t kVframeMaterial = idNoryl;
 169
 170   // B: the horizontal border filled with rohacell: ok Ch. Finck
 171   const Float_t kBframeLength = kHframeLength;
 172   const Float_t kBframeHeight = (kPcbHeight - kSensHeight)/2. - kHframeHeight;
 173   const Float_t kBframeWidth  = kHframeWidth;
 174   const Int_t kBframeMaterial = idRoha;
 175
 176   // NULOC: 30 mum copper + 200 mum vetronite (same radiation length as 14mum copper) for electronics
 177   const Float_t kNulocLength   = 2.5;
 178   const Float_t kNulocHeight   = kBframeHeight;
 179   const Float_t kNulocWidth    = 0.0030 + 0.0014; // equivalent copper width of vetronite;
 180   const Int_t   kNulocMaterial = idCopper;
 181
 182   // Slat parameters
 183   const Float_t kSlatHeight = kPcbHeight;
 184   const Float_t kSlatWidth  = kSensWidth + 2.*(kPcbWidth + kInsuWidth + kPanelWidth
 185                                                + kNomexBWidth); //replaced rohacell with Nomex Ch. Finck
 186   // const Int_t   kSlatMaterial = idAir;
 187   const Float_t kDslatLength  = -1.25; // position of the slat respect to the beam plane (half vertical spacer) Ch. Finck
 188   Float_t zSlat               = AliMUONConstants::DzSlat();// implemented Ch. Finck
 189   Float_t dzCh                = AliMUONConstants::DzCh();
 190
 191   Float_t spar[3];
 192   Int_t i, j;
 193   Int_t detElemId;
 194
 195   // the panel volume contains the nomex
 196   Float_t panelpar[3] = { kPanelLength/2., kPanelHeight/2., kPanelWidth/2. };
 197   Float_t nomexpar[3] = { kNomexLength/2., kNomexHeight/2., kNomexWidth/2. };
 198   Float_t twidth =  kPanelWidth +  kNomexBWidth;
 199   Float_t nomexbpar[3] = {kNomexLength/2., kNomexHeight/2.,twidth/2. };// bulk nomex
 200
 201   // insulating material contains PCB-> gas
 202   twidth = 2*(kInsuWidth + kPcbWidth) + kSensWidth ;
 203   Float_t insupar[3] = {kInsuLength/2., kInsuHeight/2., twidth/2. };
 204   twidth -= 2 * kInsuWidth;
 205   Float_t pcbpar[3]  = {kPcbLength/2., kPcbHeight/2., twidth/2. };
 206   Float_t senspar[3] = {kSensLength/2., kSensHeight/2., kSensWidth/2. };
 207   Float_t theight    = 2 * kHframeHeight + kSensHeight;
 208   Float_t hFramepar[3] = {kHframeLength/2., theight/2., kHframeWidth/2.};
 209   Float_t bFramepar[3] = {kBframeLength/2., kBframeHeight/2., kBframeWidth/2.};
 210   Float_t vFramepar[3] = {kVframeLength/2., kVframeHeight/2., kVframeWidth/2.};
 211   Float_t nulocpar[3]  = {kNulocLength/2.,  kNulocHeight/2.,  kNulocWidth/2.};
 212
 213   Float_t xx;
 214   Float_t xxmax = (kBframeLength - kNulocLength)/2.;
 215   Int_t index=0;
 216
 217   AliMUONChamber *iChamber, *iChamber1, *iChamber2;
 218
 219   Int_t* fStations = new Int_t[5];
 220   for (Int_t i=0; i<5; i++) fStations[i] = 1;
 221   fStations[2] = 1;
 222
 223   if (fStations[2])
 224     {
 225       //********************************************************************
 226       //                            Station 3                             **
 227       //********************************************************************
 228       // indices 1 and 2 for first and second chambers in the station
 229       // iChamber (first chamber) kept for other quanties than Z,
 230       // assumed to be the same in both chambers
 231
 232       iChamber = &fMUON->Chamber(4);
 233       iChamber1 = iChamber;
 234       iChamber2 = &fMUON->Chamber(5);
 235
 236       //GetGeometry(4)->SetDebug(kTRUE);
 237       //GetGeometry(5)->SetDebug(kTRUE);
 238
 239
 240       // Mother volume for each chamber in st3 are only defined if Dipole volue is there.
 241       // Outer excess and inner recess for mother volume radius
 242       // with respect to ROuter and RInner
 243       Float_t dMotherInner = AliMUONConstants::Rmin(2)-kRframeHeight;
 244       Float_t dMotherOutner= AliMUONConstants::Rmax(2)+kVframeLength + 37.0;
 245       // Additional 37 cm gap is needed to wrap the corners of the slats sin Rmax represent the maximum active radius of the chamber with 2pi phi acceptance
 246       Float_t tpar[3];
 247       Double_t dstation =  ( (-AliMUONConstants::DefaultChamberZ(5)) -
 248                              (-AliMUONConstants::DefaultChamberZ(4)) ) /2.1;
 249       tpar[0] = dMotherInner;
 250       tpar[1] = dMotherOutner;
 251       tpar[2] = dstation;
 252       if (!gAlice->GetModule("DIPO")) {
 253         gMC->Gsvolu("CH05", "TUBE", idAir, tpar, 3);
 254         gMC->Gsvolu("CH06", "TUBE", idAir, tpar, 3);
 255       }
 256       // volumes for slat geometry (xx=5,..,10 chamber id):
 257       // Sxx0 Sxx1 Sxx2 Sxx3  -->   Slat Mother volumes
 258       // SxxG                          -->   Sensitive volume (gas)
 259       // SxxP                          -->   PCB (copper)
 260       // SxxI                          -->   Insulator (G10)
 261       // SxxC                          -->   Carbon panel
 262       // SxxN                          -->   Nomex comb
 263       // SxxX                          -->   Nomex bulk
 264       // SxxH, SxxV                    -->   Horizontal and Vertical frames (Noryl)
 265       // SB5x                          -->   Volumes for the 35 cm long PCB
 266       // slat dimensions: slat is a MOTHER volume!!! made of air
 267
 268       // only for chamber 5: slat 1 has a PCB shorter by 5cm!
 269
 270       Float_t tlength = 35.;
 271       Float_t panelpar2[3]  = { tlength/2., panelpar[1],  panelpar[2]};
 272       Float_t nomexpar2[3]  = { tlength/2., nomexpar[1],  nomexpar[2]};
 273       Float_t nomexbpar2[3] = { tlength/2., nomexbpar[1],  nomexbpar[2]};
 274       Float_t insupar2[3]   = { tlength/2., insupar[1],   insupar[2]};
 275       Float_t pcbpar2[3]    = { tlength/2., pcbpar[1],    pcbpar[2]};
 276       Float_t senspar2[3]   = { tlength/2., senspar[1],   senspar[2]};
 277       Float_t hFramepar2[3] = { tlength/2., hFramepar[1], hFramepar[2]};
 278       Float_t bFramepar2[3] = { tlength/2., bFramepar[1], bFramepar[2]};
 279       Float_t *dum=0;
 280       Float_t pcbDLength3   = (kPcbLength - tlength);
 281
 282       const Int_t   kNslats3         = 5;  // number of slats per quadrant
 283       const Int_t   kNPCB3[kNslats3] = {4, 4, 4, 3, 2}; // n PCB per slat
 284       const Float_t kXpos3[kNslats3] = {0., 0., 0., 0., 0.};//{31., 0., 0., 0., 0.};
 285       const Float_t kYpos3[kNslats3] = {0, 37.8, 37.7, 37.3, 33.7};
 286       Float_t slatLength3[kNslats3];
 287
 288       // create and position the slat (mother) volumes
 289
 290       char idSlatCh5[5];
 291       char idSlatCh6[5];
 292       Float_t xSlat3;
 293       Float_t ySlat3 = 0;
 294       Float_t angle = 0.;
 295       Float_t spar2[3];
 296       for (i = 0; i < kNslats3; i++){
 297
 298         slatLength3[i] = kPcbLength * kNPCB3[i] + 2.* kVframeLength;
 299         xSlat3 = slatLength3[i]/2. +  kDslatLength + kXpos3[i];
 300         ySlat3 += kYpos3[i];
 301
 302         spar[0] = slatLength3[i]/2.;
 303         spar[1] = kSlatHeight/2.;
 304         spar[2] = kSlatWidth/2.;
 305         // take away 5 cm from the first slat in chamber 5
 306         if (i == 0 || i == 1 || i == 2) { // 1 pcb is shortened by 5cm
 307           spar2[0] = spar[0] - pcbDLength3/2.;
 308         } else {
 309           spar2[0] = spar[0];
 310         }
 311         spar2[1] = spar[1];
 312         spar2[2] = spar[2];
 313         Float_t dzCh3 = dzCh;
 314         Float_t zSlat3 = (i%2 ==0)? -zSlat : zSlat; // seems not that zSlat3 = zSlat4 & 5 refering to plan PQ7EN345-6 ?
 315
 316         sprintf(idSlatCh5,"LA%d",i+kNslats3-1);
 317         //gMC->Gsvolu(idSlatCh5,"BOX",kSlatMaterial,spar2,3);
 318         detElemId = 509 - (i + kNslats3-1-4);
 319         GetEnvelopes(4)->AddEnvelope(idSlatCh5, detElemId, true, TGeoTranslation(xSlat3, ySlat3, -zSlat3 + dzCh3),
 320                                      TGeoRotation("rot1",90,angle,90,90+angle,0,0) );
 321
 322         sprintf(idSlatCh5,"LA%d",3*kNslats3-2+i);
 323         //gMC->Gsvolu(idSlatCh5,"BOX",kSlatMaterial,spar2,3);
 324         detElemId = 500 + (i + kNslats3-1-4);
 325         GetEnvelopes(4)->AddEnvelope(idSlatCh5, detElemId, true, TGeoTranslation(-xSlat3, ySlat3, zSlat3 - dzCh3),
 326                                      TGeoRotation("rot2",90,180+angle,90,90+angle,180,0) );
 327
 328         if (i > 0) {
 329           sprintf(idSlatCh5,"LA%d",kNslats3-1-i);
 330           // gMC->Gsvolu(idSlatCh5,"BOX",kSlatMaterial,spar2,3);
 331           detElemId = 509 + (i + kNslats3-1-4);
 332           GetEnvelopes(4)->AddEnvelope(idSlatCh5, detElemId, true, TGeoTranslation(xSlat3, -ySlat3, -zSlat3 + dzCh3),
 333                                        TGeoRotation("rot3",90,angle,90,270+angle,180,0) );
 334
 335           sprintf(idSlatCh5,"LA%d",3*kNslats3-2-i);
 336           // gMC->Gsvolu(idSlatCh5,"BOX",kSlatMaterial,spar2,3);
 337           detElemId = 518 - (i + kNslats3-1-4);
 338           GetEnvelopes(4)->AddEnvelope(idSlatCh5, detElemId, true, TGeoTranslation(-xSlat3, -ySlat3, zSlat3 - dzCh3),
 339                                        TGeoRotation("rot4",90,180+angle,90,270+angle,0,0) );
 340         }
 341
 342         sprintf(idSlatCh6,"LB%d",kNslats3-1+i);
 343         // gMC->Gsvolu(idSlatCh6,"BOX",kSlatMaterial,spar,3);
 344         detElemId = 609 - (i  + kNslats3-1-4);
 345         GetEnvelopes(5)->AddEnvelope(idSlatCh6, detElemId, true, TGeoTranslation(xSlat3, ySlat3, -zSlat3 + dzCh3),
 346                                      TGeoRotation("rot5",90,angle,90,90+angle,0,0) );
 347         sprintf(idSlatCh6,"LB%d",3*kNslats3-2+i);
 348         // gMC->Gsvolu(idSlatCh6,"BOX",kSlatMaterial,spar,3);
 349         detElemId = 600 + (i + kNslats3-1-4);
 350         GetEnvelopes(5)->AddEnvelope(idSlatCh6, detElemId, true, TGeoTranslation(-xSlat3, ySlat3, zSlat3 - dzCh3),
 351                                      TGeoRotation("rot6",90,180+angle,90,90+angle,180,0) );
 352
 353         if (i > 0) {
 354           sprintf(idSlatCh6,"LB%d",kNslats3-1-i);
 355           //gMC->Gsvolu(idSlatCh6,"BOX",kSlatMaterial,spar,3);
 356           detElemId = 609 + (i + kNslats3-1-4);
 357           GetEnvelopes(5)->AddEnvelope(idSlatCh6, detElemId, true, TGeoTranslation(xSlat3, -ySlat3, -zSlat3 + dzCh3),
 358                                        TGeoRotation("rot7",90,angle,90,270+angle,180,0) );
 359
 360           sprintf(idSlatCh6,"LB%d",3*kNslats3-2-i);
 361           //gMC->Gsvolu(idSlatCh6,"BOX",kSlatMaterial,spar,3);
 362           detElemId = 618 - (i + kNslats3-1-4);
 363           GetEnvelopes(5)->AddEnvelope(idSlatCh6, detElemId, true, TGeoTranslation(-xSlat3, -ySlat3, zSlat3 - dzCh3),
 364                                        TGeoRotation("rot8",90,180+angle,90,270+angle,0,0) );
 365         }
 366       }
 367
 368       // create the panel volume
 369
 370       gMC->Gsvolu("S05C","BOX",kCarbonMaterial,panelpar,3);
 371       gMC->Gsvolu("SB5C","BOX",kCarbonMaterial,panelpar2,3);
 372       gMC->Gsvolu("S06C","BOX",kCarbonMaterial,panelpar,3);
 373
 374       // create the nomex volume (honey comb)
 375
 376       gMC->Gsvolu("S05N","BOX",kNomexMaterial,nomexpar,3);
 377       gMC->Gsvolu("SB5N","BOX",kNomexMaterial,nomexpar2,3);
 378       gMC->Gsvolu("S06N","BOX",kNomexMaterial,nomexpar,3);
 379
 380       // create the nomex volume (bulk)
 381
 382       gMC->Gsvolu("S05X","BOX",kNomexBMaterial,nomexbpar,3);
 383       gMC->Gsvolu("SB5X","BOX",kNomexBMaterial,nomexbpar2,3);
 384       gMC->Gsvolu("S06X","BOX",kNomexBMaterial,nomexbpar,3);
 385
 386       // create the insulating material volume
 387
 388       gMC->Gsvolu("S05I","BOX",kInsuMaterial,insupar,3);
 389       gMC->Gsvolu("SB5I","BOX",kInsuMaterial,insupar2,3);
 390       gMC->Gsvolu("S06I","BOX",kInsuMaterial,insupar,3);
 391
 392       // create the PCB volume
 393
 394       gMC->Gsvolu("S05P","BOX",kPcbMaterial,pcbpar,3);
 395       gMC->Gsvolu("SB5P","BOX",kPcbMaterial,pcbpar2,3);
 396       gMC->Gsvolu("S06P","BOX",kPcbMaterial,pcbpar,3);
 397
 398       // create the sensitive volumes,
 399
 400       gMC->Gsvolu("S05G","BOX",kSensMaterial,dum,0);
 401       gMC->Gsvolu("S06G","BOX",kSensMaterial,dum,0);
 402
 403       // create the vertical frame volume
 404
 405       gMC->Gsvolu("S05V","BOX",kVframeMaterial,vFramepar,3);
 406       gMC->Gsvolu("S06V","BOX",kVframeMaterial,vFramepar,3);
 407
 408       // create the horizontal frame volume
 409
 410       gMC->Gsvolu("S05H","BOX",kHframeMaterial,hFramepar,3);
 411       gMC->Gsvolu("SB5H","BOX",kHframeMaterial,hFramepar2,3);
 412       gMC->Gsvolu("S06H","BOX",kHframeMaterial,hFramepar,3);
 413
 414       // create the horizontal border volume
 415
 416       gMC->Gsvolu("S05B","BOX",kBframeMaterial,bFramepar,3);
 417       gMC->Gsvolu("SB5B","BOX",kBframeMaterial,bFramepar2,3);
 418       gMC->Gsvolu("S06B","BOX",kBframeMaterial,bFramepar,3);
 419
 420       index = 0;
 421       for (i = 0; i<kNslats3; i++){
 422         for (Int_t quadrant = 1; quadrant <= 4; quadrant++) {
 423
 424           if (i == 0 && quadrant == 2) continue;
 425           if (i == 0 && quadrant == 4) continue;
 426
 427           sprintf(idSlatCh5,"LA%d",ConvertSlatNum(i,quadrant,kNslats3-1));
 428           sprintf(idSlatCh6,"LB%d",ConvertSlatNum(i,quadrant,kNslats3-1));
 429           Float_t xvFrame  = (slatLength3[i] - kVframeLength)/2.;
 430           Float_t xvFrame2  = xvFrame;
 431
 432           if (i == 0 || i == 1 || i == 2) xvFrame2 -= pcbDLength3/2.;
 433
 434           // position the vertical frames
 435           if ( i > 2) {
 436             GetEnvelopes(4)->AddEnvelopeConstituent("S05V", idSlatCh5,
 437                                                     (2*i-1)*10+quadrant,TGeoTranslation(xvFrame,0.,0.));
 438             GetEnvelopes(4)->AddEnvelopeConstituent("S05V", idSlatCh5,
 439                                                     (2*i)*10+quadrant,TGeoTranslation(-xvFrame,0.,0.));
 440             GetEnvelopes(5)->AddEnvelopeConstituent("S06V", idSlatCh6,
 441                                                     (2*i-1)*10+quadrant,TGeoTranslation(xvFrame,0.,0.));
 442             GetEnvelopes(5)->AddEnvelopeConstituent("S06V", idSlatCh6,
 443                                                     (2*i)*10+quadrant,TGeoTranslation(-xvFrame,0.,0.));
 444           }
 445
 446           if (i == 2) {
 447             GetEnvelopes(4)->AddEnvelopeConstituent("S05V", idSlatCh5,
 448                                                     (2*i-1)*10+quadrant,TGeoTranslation(xvFrame2,0.,0.));
 449             GetEnvelopes(4)->AddEnvelopeConstituent("S05V", idSlatCh5,
 450                                                     (2*i)*10+quadrant,TGeoTranslation(-xvFrame,0.,0.));
 451             GetEnvelopes(5)->AddEnvelopeConstituent("S06V", idSlatCh6,
 452                                                     (2*i-1)*10+quadrant,TGeoTranslation(xvFrame,0.,0.));
 453             GetEnvelopes(5)->AddEnvelopeConstituent("S06V", idSlatCh6,
 454                                                     (2*i)*10+quadrant,TGeoTranslation(-xvFrame,0.,0.));
 455           }
 456
 457           if (i == 0 || i == 1) { // no rounded spacer for the moment (Ch. Finck)
 458             GetEnvelopes(4)->AddEnvelopeConstituent("S05V", idSlatCh5,
 459                                                     (2*i-1)*10+quadrant,TGeoTranslation(xvFrame2,0.,0.));
 460             GetEnvelopes(5)->AddEnvelopeConstituent("S06V", idSlatCh6,
 461                                                     (2*i-1)*10+quadrant,TGeoTranslation(xvFrame,0.,0.));
 462           }
 463
 464           // position the panels and the insulating material
 465           for (j = 0; j < kNPCB3[i]; j++){
 466             if (i == 1 && j == 0) continue;
 467             if (i == 0 && j == 0) continue;
 468             index++;
 469             Float_t xx = kSensLength * (-kNPCB3[i]/2. + j + 0.5);
 470             Float_t xx2 = xx - pcbDLength3/2.;
 471
 472             Float_t zPanel = spar[2] - nomexbpar[2];
 473
 474             if ( (i == 0 || i == 1 || i == 2) && j == kNPCB3[i]-1) { // 1 pcb is shortened by 5cm
 475               GetEnvelopes(4)->AddEnvelopeConstituent("SB5X", idSlatCh5, 2*index-1,TGeoTranslation(xx2,0.,zPanel));
 476               GetEnvelopes(4)->AddEnvelopeConstituent("SB5X", idSlatCh5, 2*index,TGeoTranslation(xx2,0.,-zPanel));
 477               GetEnvelopes(4)->AddEnvelopeConstituent("SB5I", idSlatCh5, index,TGeoTranslation(xx2,0.,0.));
 478             } else {
 479               GetEnvelopes(4)->AddEnvelopeConstituent("S05X", idSlatCh5, 2*index-1,TGeoTranslation(xx,0.,zPanel));
 480               GetEnvelopes(4)->AddEnvelopeConstituent("S05X", idSlatCh5, 2*index,TGeoTranslation(xx,0.,-zPanel));
 481               GetEnvelopes(4)->AddEnvelopeConstituent("S05I", idSlatCh5, index,TGeoTranslation(xx,0.,0.));
 482             }
 483             GetEnvelopes(5)->AddEnvelopeConstituent("S06X", idSlatCh6, 2*index-1,TGeoTranslation(xx,0.,zPanel));
 484             GetEnvelopes(5)->AddEnvelopeConstituent("S06X", idSlatCh6, 2*index,TGeoTranslation(xx,0.,-zPanel));
 485             GetEnvelopes(5)->AddEnvelopeConstituent("S06I", idSlatCh6, index,TGeoTranslation(xx,0.,0.));
 486
 487           }
 488         }
 489       }
 490
 491       // position the nomex volume inside the panel volume
 492       gMC->Gspos("S05N",1,"S05C",0.,0.,0.,0,"ONLY");
 493       gMC->Gspos("SB5N",1,"SB5C",0.,0.,0.,0,"ONLY");
 494       gMC->Gspos("S06N",1,"S06C",0.,0.,0.,0,"ONLY");
 495
 496       // position panel volume inside the bulk nomex material volume
 497       gMC->Gspos("S05C",1,"S05X",0.,0.,kNomexBWidth/2.,0,"ONLY");
 498       gMC->Gspos("SB5C",1,"SB5X",0.,0.,kNomexBWidth/2.,0,"ONLY");
 499       gMC->Gspos("S06C",1,"S06X",0.,0.,kNomexBWidth/2.,0,"ONLY");
 500
 501       // position the PCB volume inside the insulating material volume
 502       gMC->Gspos("S05P",1,"S05I",0.,0.,0.,0,"ONLY");
 503       gMC->Gspos("SB5P",1,"SB5I",0.,0.,0.,0,"ONLY");
 504       gMC->Gspos("S06P",1,"S06I",0.,0.,0.,0,"ONLY");
 505
 506       // position the horizontal frame volume inside the PCB volume
 507       gMC->Gspos("S05H",1,"S05P",0.,0.,0.,0,"ONLY");
 508       gMC->Gspos("SB5H",1,"SB5P",0.,0.,0.,0,"ONLY");
 509       gMC->Gspos("S06H",1,"S06P",0.,0.,0.,0,"ONLY");
 510
 511       // position the sensitive volume inside the horizontal frame volume
 512       gMC->Gsposp("S05G",1,"S05H",0.,0.,0.,0,"ONLY",senspar,3);
 513       gMC->Gsposp("S05G",1,"SB5H",0.,0.,0.,0,"ONLY",senspar2,3);
 514       gMC->Gsposp("S06G",1,"S06H",0.,0.,0.,0,"ONLY",senspar,3);
 515
 516
 517       // position the border volumes inside the PCB volume
 518       Float_t yborder = ( kPcbHeight - kBframeHeight ) / 2.;
 519       gMC->Gspos("S05B",1,"S05P",0., yborder,0.,0,"ONLY");
 520       gMC->Gspos("S05B",2,"S05P",0.,-yborder,0.,0,"ONLY");
 521       gMC->Gspos("SB5B",1,"SB5P",0., yborder,0.,0,"ONLY");
 522       gMC->Gspos("SB5B",2,"SB5P",0.,-yborder,0.,0,"ONLY");
 523
 524       gMC->Gspos("S06B",1,"S06P",0., yborder,0.,0,"ONLY");
 525       gMC->Gspos("S06B",2,"S06P",0.,-yborder,0.,0,"ONLY");
 526
 527       // create the NULOC volume and position it in the horizontal frame
 528       gMC->Gsvolu("S05E","BOX",kNulocMaterial,nulocpar,3);
 529       gMC->Gsvolu("S06E","BOX",kNulocMaterial,nulocpar,3);
 530       index = 0;
 531       Float_t xxmax2 = xxmax - pcbDLength3/2.;
 532       for (xx = -xxmax; xx <= xxmax; xx += 2*kNulocLength) {
 533         index++;
 534         gMC->Gspos("S05E",2*index-1,"S05B", xx, 0.,-kBframeWidth/2. + kNulocWidth/2, 0, "ONLY");
 535         gMC->Gspos("S05E",2*index  ,"S05B", xx, 0., kBframeWidth/2. - kNulocWidth/2, 0, "ONLY");
 536         gMC->Gspos("S06E",2*index-1,"S06B", xx, 0.,-kBframeWidth/2. + kNulocWidth/2, 0, "ONLY");
 537         gMC->Gspos("S06E",2*index  ,"S06B", xx, 0., kBframeWidth/2.-  kNulocWidth/2, 0, "ONLY");
 538         if (xx > -xxmax2 && xx< xxmax2) {
 539           gMC->Gspos("S05E",2*index-1,"SB5B", xx, 0.,-kBframeWidth/2.+ kNulocWidth/2, 0, "ONLY");
 540           gMC->Gspos("S05E",2*index  ,"SB5B", xx, 0., kBframeWidth/2.- kNulocWidth/2, 0, "ONLY");
 541         }
 542       }
 543
 544       // position the volumes approximating the circular section of the pipe
 545       Float_t epsilon = 0.001;
 546       Int_t ndiv = 6;
 547       Int_t imax = 1;
 548       Double_t divpar[3];
 549       Double_t dydiv = kSensHeight/ndiv;
 550       Double_t ydiv  = (kSensHeight - dydiv)/2.;
 551       Double_t rmin  = AliMUONConstants::Rmin(2);// Same radius for both chamber in St3
 552       Double_t xdiv  = 0.;
 553       Float_t xvol;
 554       Float_t yvol;
 555
 556       for (Int_t idiv = 0; idiv < ndiv; idiv++){
 557         ydiv += dydiv;
 558         xdiv = 0.;
 559         if (ydiv < rmin) xdiv = rmin * TMath::Sin( TMath::ACos((ydiv-dydiv/2.)/rmin) );
 560         divpar[0] = (kPcbLength - xdiv)/2.;
 561         divpar[1] = dydiv/2. - epsilon;
 562         divpar[2] = kSensWidth/2.;
 563         xvol = (kPcbLength + xdiv)/2.;
 564         yvol = ydiv;
 565
 566         // Volumes close to the beam pipe for slat i=1 so 4 slats per chamber
 567         for (Int_t quadrant = 1; quadrant <= 4; quadrant++) {
 568           sprintf(idSlatCh5,"LA%d",ConvertSlatNum(1,quadrant,kNslats3-1));
 569           sprintf(idSlatCh6,"LB%d",ConvertSlatNum(1,quadrant,kNslats3-1));
 570
 571           GetEnvelopes(4)->AddEnvelopeConstituentParam("S05G", idSlatCh5, quadrant*100+imax+4*idiv+1,
 572                                                        TGeoTranslation(xvol-(kPcbLength * kNPCB3[1]/2.),yvol-kPcbLength,0.),3,divpar);
 573
 574           GetEnvelopes(5)->AddEnvelopeConstituentParam("S06G", idSlatCh6,  quadrant*100+imax+4*idiv+1,
 575                                                        TGeoTranslation(xvol-(kPcbLength * kNPCB3[1]/2.),yvol-kPcbLength,0.),3,divpar);
 576         }
 577       }
 578
 579       // Volumes close to the beam pipe for slat i=0 so 2 slats per chamber (central slat for station 3)
 580       //      Gines Martinez, Subatech sep 04
 581       // 9 box volumes are used to define the PCB closed to the beam pipe of the slat 122000SR1 of chamber 5 and 6 of St3
 582       // Accordingly to plan PQ-LAT-SR1 of CEA-DSM-DAPNIA-SIS/BE ph HARDY 8-Oct-2002
 583       // Rmin = 31.5 cm
 584       rmin = AliMUONConstants::Rmin(2); // Same radius for both chamber in St3
 585       ndiv  = 9;
 586       dydiv = kSensHeight/ndiv;           // Vertical size of the box volume approximating the rounded PCB
 587       ydiv  = -kSensHeight/2 + dydiv/2.;   // Initializing vertical position of the volume from bottom
 588       xdiv  = 0.;                         // Initializing horizontal position of the box volumes
 589
 590       for (Int_t idiv = 0; idiv < ndiv; idiv++){
 591         xdiv = TMath::Abs( rmin * TMath::Sin( TMath::ACos(ydiv/rmin) ) );
 592         divpar[0] = (kPcbLength - xdiv)/2.; // Dimension of the box volume
 593         divpar[1] = dydiv/2. - epsilon;
 594         divpar[2] = kSensWidth/2.;
 595         xvol = (kPcbLength + xdiv)/2.; //2D traslition for positionning of box volume
 596         yvol =  ydiv;
 597         Int_t side;
 598         for (side = 1; side <= 2; side++) {
 599           sprintf(idSlatCh5,"LA%d",4);
 600           sprintf(idSlatCh6,"LB%d",4);
 601           if(side == 2) {
 602             sprintf(idSlatCh5,"LA%d",13);
 603             sprintf(idSlatCh6,"LB%d",13);
 604           }
 605           GetEnvelopes(4)->AddEnvelopeConstituentParam("S05G", idSlatCh5,500+side*100+imax+4*idiv+1,
 606                                                        TGeoTranslation(xvol-(kPcbLength * kNPCB3[0]/2.),yvol,0.),3,divpar);
 607
 608           GetEnvelopes(5)->AddEnvelopeConstituentParam("S06G", idSlatCh6,500+side*100+imax+4*idiv+1,
 609                                                        TGeoTranslation(xvol-(kPcbLength * kNPCB3[0]/2.),yvol,0.),3,divpar);
 610         }
 611         ydiv += dydiv; // Going from bottom to top
 612       }
 613
 614
 615     //
 616     //Geometry of the support pannel Verticla length 3.62m, horizontal length 1.62m, internal radius  dMotherInner of CH05 and CH06  (F. Orsini, Saclay)
 617     //Carbon fiber of 0.3 mm thick (2 layers) and a central layer of Nomex of 15mm thick.
 618     Float_t nomexthickness = 1.5;
 619     Float_t carbonthickness = 0.03;
 620     Float_t supporthlength =  162.;
 621     Float_t supportvlength =  362.;
 622     // Generating the composite shape of the carbon and nomex pannels
 623     new TGeoBBox("shNomexBoxSt3",supporthlength/2., supportvlength/2. ,nomexthickness/2.+carbonthickness);
 624     new TGeoBBox("shCarbonBoxSt3",supporthlength/2., supportvlength/2. ,carbonthickness/2.);
 625     new TGeoTubeSeg("shNomexHoleSt3",0., dMotherInner, nomexthickness/2.+carbonthickness+0.001, -90. ,90.);
 626     new TGeoTubeSeg("shCarbonHoleSt3",0., dMotherInner, carbonthickness/2.+0.001, -90. ,90.);
 627     TGeoTranslation * trHoleSt3 = new TGeoTranslation("trHoleSt3",-supporthlength/2.,0.,0.);
 628     trHoleSt3->RegisterYourself();
 629     TGeoCompositeShape * shNomexSupportSt3  = new TGeoCompositeShape("shNomexSupportSt3","shNomexBoxSt3-shNomexHoleSt3:trHoleSt3");
 630     TGeoCompositeShape * shCarbonSupportSt3 = new TGeoCompositeShape("shCarbonSupportSt3","shCarbonBoxSt3-shCarbonHoleSt3:trHoleSt3");
 631
 632    // Generating Nomex and Carbon pannel volumes
 633     TGeoVolume * voNomexSupportSt3  = new TGeoVolume("S05S", shNomexSupportSt3, kMedNomex);
 634     TGeoVolume * voCarbonSupportSt3 = new TGeoVolume("S05K", shCarbonSupportSt3, kMedCarbon);
 635     TGeoTranslation *trCarbon1St3   = new TGeoTranslation("trCarbon1St3",0.,0., -(nomexthickness+carbonthickness)/2.);
 636     TGeoTranslation *trCarbon2St3   = new TGeoTranslation("trCarbon2St3",0.,0.,  (nomexthickness+carbonthickness)/2.);
 637     voNomexSupportSt3->AddNode(voCarbonSupportSt3,1,trCarbon1St3);
 638     voNomexSupportSt3->AddNode(voCarbonSupportSt3,2,trCarbon2St3);
 639     Float_t dzCh5  = dzCh;
 640     TGeoTranslation * trSupport1St3   = new TGeoTranslation("trSupport1St3", supporthlength/2., 0. , dzCh5);
 641     TGeoRotation    * roSupportSt3    = new TGeoRotation("roSupportSt3",90.,180.,-90.);
 642     TGeoCombiTrans  * coSupport2St3   = new TGeoCombiTrans(-supporthlength/2., 0., -dzCh5, roSupportSt3);
 643     if (!gAlice->GetModule("DIPO")) {
 644       gGeoManager->FindVolumeFast("CH05")->AddNode(voNomexSupportSt3,1,trSupport1St3);
 645       gGeoManager->FindVolumeFast("CH05")->AddNode(voNomexSupportSt3,2,coSupport2St3);
 646       gGeoManager->FindVolumeFast("CH06")->AddNode(voNomexSupportSt3,3,trSupport1St3);
 647       gGeoManager->FindVolumeFast("CH06")->AddNode(voNomexSupportSt3,4,coSupport2St3);
 648     }
 649     else {
 650       GetEnvelopes(4)->AddEnvelope("S05S", 0, 1, *trSupport1St3);
 651       GetEnvelopes(4)->AddEnvelope("S05S", 0, 2, *coSupport2St3);
 652       GetEnvelopes(5)->AddEnvelope("S05S", 0, 3, *trSupport1St3);
 653       GetEnvelopes(5)->AddEnvelope("S05S", 0, 4, *coSupport2St3);
 654     }
 655     // End of pannel support geometry
 656
 657     // cout << "Geometry for Station 3...... done" << endl;
 658     }
 659
 660   if (fStations[3]) {
 661
 662
 663     // //********************************************************************
 664     // //                            Station 4                             **
 665     // //********************************************************************
 666     //      // indices 1 and 2 for first and second chambers in the station
 667     //      // iChamber (first chamber) kept for other quanties than Z,
 668     //      // assumed to be the same in both chambers
 669     //      corrected geometry (JP. Cussonneau, Ch. Finck)
 670
 671     iChamber = &fMUON->Chamber(6);
 672     iChamber1 = iChamber;
 673     iChamber2 = &fMUON->Chamber(7);
 674
 675     const Int_t   kNslats4          = 7;  // number of slats per quadrant
 676     const Int_t   kNPCB4[kNslats4]  = {5, 6, 5, 5, 4, 3, 2}; // n PCB per slat
 677     const Float_t kXpos4[kNslats4]  = {38.2, 0., 0., 0., 0., 0., 0.};
 678     const Float_t kYpos41[kNslats4] = {0., 38.2, 34.40, 36.60, 29.3, 37.0, 28.6};
 679     const Float_t kYpos42[kNslats4] = {0., 38.2, 37.85, 37.55, 29.4, 37.0, 28.6};
 680
 681     Float_t slatLength4[kNslats4];
 682
 683
 684     // Mother volume for each chamber
 685     // Outer excess and inner recess for mother volume radius
 686     // with respect to ROuter and RInner
 687     Float_t dMotherInner =  AliMUONConstants::Rmin(3)-kRframeHeight;
 688     // Additional 40 cm gap is needed to wrap the corners of the slats since Rmax represent the maximum active radius of the chamber with 2pi phi acceptance
 689     Float_t dMotherOutner= AliMUONConstants::Rmax(3)+kVframeLength + 40.0;
 690     Float_t tpar[3];
 691     Double_t dstation =  ( (-AliMUONConstants::DefaultChamberZ(7)) -
 692                            (-AliMUONConstants::DefaultChamberZ(6)) ) /2.2;
 693     tpar[0] = dMotherInner;
 694     tpar[1] = dMotherOutner;
 695     tpar[2] = dstation;
 696     gMC->Gsvolu("CH07", "TUBE", idAir, tpar, 3);
 697     gMC->Gsvolu("CH08", "TUBE", idAir, tpar, 3);
 698
 699     // create and position the slat (mother) volumes
 700
 701     char idSlatCh7[5];
 702     char idSlatCh8[5];
 703     Float_t xSlat4;
 704     Float_t ySlat41 = 0;
 705     Float_t ySlat42 = 0;
 706
 707     angle = 0.;
 708
 709     for (i = 0; i<kNslats4; i++){
 710       slatLength4[i] = kPcbLength * kNPCB4[i] + 2. * kVframeLength;
 711       xSlat4 = slatLength4[i]/2. + kDslatLength + kXpos4[i];
 712       ySlat41 += kYpos41[i];
 713       ySlat42 += kYpos42[i];
 714
 715       spar[0] = slatLength4[i]/2.;
 716       spar[1] = kSlatHeight/2.;
 717       spar[2] = kSlatWidth/2.;
 718       Float_t dzCh4 = dzCh;
 719       Float_t zSlat4 = (i%2 ==0)? -zSlat : zSlat;
 720
 721       sprintf(idSlatCh7,"LC%d",kNslats4-1+i);
 722       //gMC->Gsvolu(idSlatCh7,"BOX",kSlatMaterial,spar,3);
 723       detElemId = 713 - (i + kNslats4-1-6);
 724       GetEnvelopes(6)->AddEnvelope(idSlatCh7, detElemId, true, TGeoTranslation(xSlat4, ySlat41, -zSlat4 + dzCh4),
 725                                    TGeoRotation("rot1",90,angle,90,90+angle,0,0) );
 726
 727       sprintf(idSlatCh7,"LC%d",3*kNslats4-2+i);
 728       //gMC->Gsvolu(idSlatCh7,"BOX",kSlatMaterial,spar,3);
 729       detElemId = 700 + (i + kNslats4-1-6);
 730       GetEnvelopes(6)->AddEnvelope(idSlatCh7, detElemId, true, TGeoTranslation(-xSlat4, ySlat41, zSlat4 - dzCh4),
 731                                    TGeoRotation("rot2",90,180+angle,90,90+angle,180,0) );
 732
 733       if (i > 0) {
 734         sprintf(idSlatCh7,"LC%d",kNslats4-1-i);
 735         //gMC->Gsvolu(idSlatCh7,"BOX",kSlatMaterial,spar,3);
 736         detElemId = 713 + (i + kNslats4-1-6);
 737         GetEnvelopes(6)->AddEnvelope(idSlatCh7, detElemId, true, TGeoTranslation(xSlat4, -ySlat41, -zSlat4 + dzCh4),
 738                                      TGeoRotation("rot3",90,angle,90,270+angle,180,0) );
 739
 740         sprintf(idSlatCh7,"LC%d",3*kNslats4-2-i);
 741         detElemId = 726 - (i + kNslats4-1-6);
 742         //gMC->Gsvolu(idSlatCh7,"BOX",kSlatMaterial,spar,3);
 743         GetEnvelopes(6)->AddEnvelope(idSlatCh7, detElemId, true,
 744                                      TGeoTranslation(-xSlat4, -ySlat41, zSlat4 - dzCh4),
 745                                      TGeoRotation("rot4",90,180+angle,90,270+angle,0,0) );
 746       }
 747
 748       sprintf(idSlatCh8,"LD%d",kNslats4-1+i);
 749       //gMC->Gsvolu(idSlatCh8,"BOX",kSlatMaterial,spar,3);
 750       detElemId = 813 - (i + kNslats4-1-6);
 751       GetEnvelopes(7)->AddEnvelope(idSlatCh8, detElemId, true, TGeoTranslation(xSlat4, ySlat42, -zSlat4 + dzCh4),
 752                                    TGeoRotation("rot5",90,angle,90,90+angle,0,0) );
 753
 754       sprintf(idSlatCh8,"LD%d",3*kNslats4-2+i);
 755       detElemId = 800 + (i + kNslats4-1-6);
 756       //gMC->Gsvolu(idSlatCh8,"BOX",kSlatMaterial,spar,3);
 757       GetEnvelopes(7)->AddEnvelope(idSlatCh8, detElemId, true, TGeoTranslation(-xSlat4, ySlat42, zSlat4 - dzCh4),
 758                                    TGeoRotation("rot6",90,180+angle,90,90+angle,180,0) );
 759       if (i > 0) {
 760         sprintf(idSlatCh8,"LD%d",kNslats4-1-i);
 761         detElemId = 813 + (i + kNslats4-1-6);
 762         //gMC->Gsvolu(idSlatCh8,"BOX",kSlatMaterial,spar,3);
 763         GetEnvelopes(7)->AddEnvelope(idSlatCh8, detElemId, true, TGeoTranslation(xSlat4, -ySlat42, -zSlat4 + dzCh4),
 764                                      TGeoRotation("rot7",90,angle,90,270+angle,180,0) );
 765         sprintf(idSlatCh8,"LD%d",3*kNslats4-2-i);
 766         detElemId = 826 - (i + kNslats4-1-6);
 767         //gMC->Gsvolu(idSlatCh8,"BOX",kSlatMaterial,spar,3);
 768         GetEnvelopes(7)->AddEnvelope(idSlatCh8, detElemId, true, TGeoTranslation(-xSlat4, -ySlat42, zSlat4 - dzCh4),
 769                                      TGeoRotation("rot8",90,180+angle,90,270+angle,0,0) );
 770       }
 771     }
 772
 773     // create the panel volume
 774
 775     gMC->Gsvolu("S07C","BOX",kCarbonMaterial,panelpar,3);
 776     gMC->Gsvolu("S08C","BOX",kCarbonMaterial,panelpar,3);
 777
 778     // create the nomex volume
 779
 780     gMC->Gsvolu("S07N","BOX",kNomexMaterial,nomexpar,3);
 781     gMC->Gsvolu("S08N","BOX",kNomexMaterial,nomexpar,3);
 782
 783
 784     // create the nomex volume (bulk)
 785
 786     gMC->Gsvolu("S07X","BOX",kNomexBMaterial,nomexbpar,3);
 787     gMC->Gsvolu("S08X","BOX",kNomexBMaterial,nomexbpar,3);
 788
 789     // create the insulating material volume
 790
 791     gMC->Gsvolu("S07I","BOX",kInsuMaterial,insupar,3);
 792     gMC->Gsvolu("S08I","BOX",kInsuMaterial,insupar,3);
 793
 794     // create the PCB volume
 795
 796     gMC->Gsvolu("S07P","BOX",kPcbMaterial,pcbpar,3);
 797     gMC->Gsvolu("S08P","BOX",kPcbMaterial,pcbpar,3);
 798
 799     // create the sensitive volumes,
 800
 801     gMC->Gsvolu("S07G","BOX",kSensMaterial,dum,0);
 802     gMC->Gsvolu("S08G","BOX",kSensMaterial,dum,0);
 803
 804     // create the vertical frame volume
 805
 806     gMC->Gsvolu("S07V","BOX",kVframeMaterial,vFramepar,3);
 807     gMC->Gsvolu("S08V","BOX",kVframeMaterial,vFramepar,3);
 808
 809     // create the horizontal frame volume
 810
 811     gMC->Gsvolu("S07H","BOX",kHframeMaterial,hFramepar,3);
 812     gMC->Gsvolu("S08H","BOX",kHframeMaterial,hFramepar,3);
 813
 814     // create the horizontal border volume
 815
 816     gMC->Gsvolu("S07B","BOX",kBframeMaterial,bFramepar,3);
 817     gMC->Gsvolu("S08B","BOX",kBframeMaterial,bFramepar,3);
 818
 819     index = 0;
 820     for (i = 0; i < kNslats4; i++){
 821       for (Int_t quadrant = 1; quadrant <= 4; quadrant++) {
 822
 823         if (i == 0 && quadrant == 2) continue;
 824         if (i == 0 && quadrant == 4) continue;
 825
 826         sprintf(idSlatCh7,"LC%d",ConvertSlatNum(i,quadrant,kNslats4-1));
 827         sprintf(idSlatCh8,"LD%d",ConvertSlatNum(i,quadrant,kNslats4-1));
 828         Float_t xvFrame  = (slatLength4[i] - kVframeLength)/2.;
 829
 830         // position the vertical frames
 831         if (i != 1) {
 832           GetEnvelopes(6)->AddEnvelopeConstituent("S07V", idSlatCh7, (2*i-1)*10+quadrant,TGeoTranslation(xvFrame,0.,0.));
 833           GetEnvelopes(6)->AddEnvelopeConstituent("S07V", idSlatCh7, (2*i)*10+quadrant,TGeoTranslation(-xvFrame,0.,0.));
 834           GetEnvelopes(7)->AddEnvelopeConstituent("S08V", idSlatCh8, (2*i-1)*10+quadrant,TGeoTranslation(xvFrame,0.,0.));
 835           GetEnvelopes(7)->AddEnvelopeConstituent("S08V", idSlatCh8, (2*i)*10+quadrant,TGeoTranslation(-xvFrame,0.,0.));
 836         } else { // no rounded spacer yet
 837           GetEnvelopes(6)->AddEnvelopeConstituent("S07V", idSlatCh7, (2*i-1)*10+quadrant,TGeoTranslation(xvFrame,0.,0.));
 838           // GetEnvelopes(6)->AddEnvelopeConstituent("S07V", idSlatCh7, (2*i)*10+quadrant,TGeoTranslation(-xvFrame,0.,0.));
 839           GetEnvelopes(7)->AddEnvelopeConstituent("S08V", idSlatCh8, (2*i-1)*10+quadrant,TGeoTranslation(xvFrame,0.,0.));
 840           // GetEnvelopes(7)->AddEnvelopeConstituent("S08V", idSlatCh8, (2*i)*10+quadrant,TGeoTranslation(-xvFrame,0.,0.));
 841         }
 842         // position the panels and the insulating material
 843         for (j = 0; j < kNPCB4[i]; j++){
 844           if (i == 1 && j == 0) continue;
 845           index++;
 846           Float_t xx = kSensLength * (-kNPCB4[i]/2.+j+.5);
 847
 848           Float_t zPanel = spar[2] - nomexbpar[2];
 849           GetEnvelopes(6)->AddEnvelopeConstituent("S07X", idSlatCh7, 2*index-1,TGeoTranslation(xx,0.,zPanel));
 850           GetEnvelopes(6)->AddEnvelopeConstituent("S07X", idSlatCh7, 2*index,TGeoTranslation(xx,0.,-zPanel));
 851           GetEnvelopes(6)->AddEnvelopeConstituent("S07I", idSlatCh7, index,TGeoTranslation(xx,0.,0.));
 852           GetEnvelopes(7)->AddEnvelopeConstituent("S08X", idSlatCh8, 2*index-1,TGeoTranslation(xx,0.,zPanel));
 853           GetEnvelopes(7)->AddEnvelopeConstituent("S08X", idSlatCh8, 2*index,TGeoTranslation(xx,0.,-zPanel));
 854           GetEnvelopes(7)->AddEnvelopeConstituent("S08I", idSlatCh8, index,TGeoTranslation(xx,0.,0.));
 855         }
 856       }
 857     }
 858
 859     // position the nomex volume inside the panel volume
 860     gMC->Gspos("S07N",1,"S07C",0.,0.,0.,0,"ONLY");
 861     gMC->Gspos("S08N",1,"S08C",0.,0.,0.,0,"ONLY");
 862
 863     // position panel volume inside the bulk nomex material volume
 864     gMC->Gspos("S07C",1,"S07X",0.,0.,kNomexBWidth/2.,0,"ONLY");
 865     gMC->Gspos("S08C",1,"S08X",0.,0.,kNomexBWidth/2.,0,"ONLY");
 866
 867     // position the PCB volume inside the insulating material volume
 868     gMC->Gspos("S07P",1,"S07I",0.,0.,0.,0,"ONLY");
 869     gMC->Gspos("S08P",1,"S08I",0.,0.,0.,0,"ONLY");
 870
 871     // position the horizontal frame volume inside the PCB volume
 872     gMC->Gspos("S07H",1,"S07P",0.,0.,0.,0,"ONLY");
 873     gMC->Gspos("S08H",1,"S08P",0.,0.,0.,0,"ONLY");
 874
 875     // position the sensitive volume inside the horizontal frame volume
 876     gMC->Gsposp("S07G",1,"S07H",0.,0.,0.,0,"ONLY",senspar,3);
 877     gMC->Gsposp("S08G",1,"S08H",0.,0.,0.,0,"ONLY",senspar,3);
 878
 879     // position the border volumes inside the PCB volume
 880     Float_t yborder = ( kPcbHeight - kBframeHeight ) / 2.;
 881     gMC->Gspos("S07B",1,"S07P",0., yborder,0.,0,"ONLY");
 882     gMC->Gspos("S07B",2,"S07P",0.,-yborder,0.,0,"ONLY");
 883     gMC->Gspos("S08B",1,"S08P",0., yborder,0.,0,"ONLY");
 884     gMC->Gspos("S08B",2,"S08P",0.,-yborder,0.,0,"ONLY");
 885
 886     // create the NULOC volume and position it in the horizontal frame
 887
 888     gMC->Gsvolu("S07E","BOX",kNulocMaterial,nulocpar,3);
 889     gMC->Gsvolu("S08E","BOX",kNulocMaterial,nulocpar,3);
 890     index = 0;
 891     for (xx = -xxmax; xx <= xxmax; xx += 2*kNulocLength) {
 892       index++;
 893       gMC->Gspos("S07E",2*index-1,"S07B", xx, 0.,-kBframeWidth/2. + kNulocWidth/2, 0, "ONLY");
 894       gMC->Gspos("S07E",2*index  ,"S07B", xx, 0., kBframeWidth/2. - kNulocWidth/2, 0, "ONLY");
 895       gMC->Gspos("S08E",2*index-1,"S08B", xx, 0.,-kBframeWidth/2. + kNulocWidth/2, 0, "ONLY");
 896       gMC->Gspos("S08E",2*index  ,"S08B", xx, 0., kBframeWidth/2. - kNulocWidth/2, 0, "ONLY");
 897     }
 898
 899     // position the volumes approximating the circular section of the pipe
 900
 901     Float_t epsilon = 0.001;
 902     Int_t ndiv = 10;
 903     Int_t imax = 1;
 904     Double_t divpar[3];
 905     Double_t dydiv = kSensHeight/ndiv;
 906     Double_t ydiv  = (kSensHeight - dydiv)/2.;
 907     Float_t rmin   = AliMUONConstants::Rmin(3); // Same radius for both chamber of St4
 908     Float_t xdiv   = 0.;
 909     Float_t xvol;
 910     Float_t yvol;
 911
 912     for (Int_t idiv = 0; idiv < ndiv; idiv++){
 913       ydiv += dydiv;
 914       xdiv = 0.;
 915       if (ydiv < rmin) xdiv = rmin * TMath::Sin( TMath::ACos((ydiv-dydiv/2.)/rmin) );
 916       divpar[0] = (kPcbLength - xdiv)/2.;
 917       divpar[1] = dydiv/2. - epsilon;
 918       divpar[2] = kSensWidth/2.;
 919       xvol = (kPcbLength + xdiv)/2.;
 920       yvol = ydiv ;
 921
 922       for (Int_t quadrant = 1; quadrant <= 4; quadrant++) {
 923         sprintf(idSlatCh7,"LC%d",ConvertSlatNum(1,quadrant,kNslats4-1));
 924         sprintf(idSlatCh8,"LD%d",ConvertSlatNum(1,quadrant,kNslats4-1));
 925
 926         GetEnvelopes(6)->AddEnvelopeConstituentParam("S07G",idSlatCh7, quadrant*100+imax+4*idiv+1,
 927                                                      TGeoTranslation(xvol-kPcbLength * kNPCB4[1]/2.,yvol-kPcbLength,0.),3,divpar);
 928
 929         GetEnvelopes(7)->AddEnvelopeConstituentParam("S08G", idSlatCh8, quadrant*100+imax+4*idiv+1,
 930                                                      TGeoTranslation(xvol-kPcbLength * kNPCB4[1]/2.,yvol-kPcbLength,0.),3,divpar);
 931       }
 932     }
 933
 934
 935    //
 936     //Geometry of the support pannel Verticla length 5.3m, horizontal length 2.6m, internal radius  dMotherInner o CH07 and CH08  (F. Orsini, Saclay)
 937     //Carbon fiber of 0.3 mm thick (2 layers) and a central layer of Nomex of 15mm thick.
 938     Float_t nomexthickness = 1.5;
 939     Float_t carbonthickness = 0.03;
 940     Float_t supporthlength =  260.;
 941     Float_t supportvlength =  530.;
 942     // Generating the composite shape of the carbon and nomex pannels
 943     new TGeoBBox("shNomexBoxSt4",supporthlength/2., supportvlength/2. ,nomexthickness/2.+carbonthickness);
 944     new TGeoBBox("shCarbonBoxSt4",supporthlength/2., supportvlength/2. ,carbonthickness/2.);
 945     new TGeoTubeSeg("shNomexHoleSt4",0., dMotherInner, nomexthickness/2.+carbonthickness+0.001, -90. ,90.);
 946     new TGeoTubeSeg("shCarbonHoleSt4",0., dMotherInner, carbonthickness/2.+0.001, -90. ,90.);
 947     TGeoTranslation * trHoleSt4 = new TGeoTranslation("trHoleSt4",-supporthlength/2.,0.,0.);
 948     trHoleSt4->RegisterYourself();
 949     TGeoCompositeShape * shNomexSupportSt4  = new TGeoCompositeShape("shNomexSupportSt4","shNomexBoxSt4-shNomexHoleSt4:trHoleSt4");
 950     TGeoCompositeShape * shCarbonSupportSt4 = new TGeoCompositeShape("shCarbonSupportSt4","shCarbonBoxSt4-shCarbonHoleSt4:trHoleSt4");
 951
 952    // Generating Nomex and Carbon pannel volumes
 953     TGeoVolume * voNomexSupportSt4  = new TGeoVolume("S07S", shNomexSupportSt4, kMedNomex);
 954     TGeoVolume * voCarbonSupportSt4 = new TGeoVolume("S07K", shCarbonSupportSt4, kMedCarbon);
 955     TGeoTranslation *trCarbon1St4   = new TGeoTranslation("trCarbon1St4",0.,0., -(nomexthickness+carbonthickness)/2.);
 956     TGeoTranslation *trCarbon2St4   = new TGeoTranslation("trCarbon2St4",0.,0.,  (nomexthickness+carbonthickness)/2.);
 957     voNomexSupportSt4->AddNode(voCarbonSupportSt4,1,trCarbon1St4);
 958     voNomexSupportSt4->AddNode(voCarbonSupportSt4,2,trCarbon2St4);
 959     Float_t dzCh7  = dzCh;
 960     TGeoTranslation * trSupport1St4   = new TGeoTranslation("trSupport1St4", supporthlength/2., 0. , dzCh7);
 961     TGeoRotation    * roSupportSt4    = new TGeoRotation("roSupportSt4",90.,180.,-90.);
 962     TGeoCombiTrans  * coSupport2St4   = new TGeoCombiTrans(-supporthlength/2., 0., -dzCh7, roSupportSt4);
 963     gGeoManager->FindVolumeFast("CH07")->AddNode(voNomexSupportSt4,1,trSupport1St4);
 964     gGeoManager->FindVolumeFast("CH07")->AddNode(voNomexSupportSt4,2,coSupport2St4);
 965     gGeoManager->FindVolumeFast("CH08")->AddNode(voNomexSupportSt4,3,trSupport1St4);
 966     gGeoManager->FindVolumeFast("CH08")->AddNode(voNomexSupportSt4,4,coSupport2St4);
 967     // End of pannel support geometry
 968
 969     // cout << "Geometry for Station 4...... done" << endl;
 970
 971   }
 972
 973   if (fStations[4]) {
 974
 975
 976     // //********************************************************************
 977     // //                            Station 5                             **
 978     // //********************************************************************
 979     //      // indices 1 and 2 for first and second chambers in the station
 980     //      // iChamber (first chamber) kept for other quanties than Z,
 981     //      // assumed to be the same in both chambers
 982     //      corrected geometry (JP. Cussonneau, Ch. Finck)
 983
 984     iChamber = &fMUON->Chamber(8);
 985     iChamber1 = iChamber;
 986     iChamber2 = &fMUON->Chamber(9);
 987
 988     const Int_t   kNslats5         = 7;  // number of slats per quadrant
 989     const Int_t   kNPCB5[kNslats5] = {5, 6, 6, 6, 5, 4, 3}; // n PCB per slat
 990     const Float_t kXpos5[kNslats5] = {38.2, 0., 0., 0., 0., 0., 0.};
 991     const Float_t kYpos5[kNslats5] = {0., 38.2, 37.9, 37.6, 37.3, 37.05, 36.75};
 992     Float_t slatLength5[kNslats5];
 993
 994     // Mother volume for each chamber
 995     // Outer excess and inner recess for mother volume radius
 996     // with respect to ROuter and RInner
 997     Float_t dMotherInner =  AliMUONConstants::Rmin(4)-kRframeHeight;
 998     // Additional 40 cm gap is needed to wrap the corners of the slats since Rmax represent the maximum active radius of the chamber with 2pi phi acceptance
 999     Float_t dMotherOutner= AliMUONConstants::Rmax(4)+kVframeLength + 40.0;
1000     Float_t tpar[3];
1001     Double_t dstation =  ( (-AliMUONConstants::DefaultChamberZ(9)) -
1002                            (-AliMUONConstants::DefaultChamberZ(8)) ) /2.3;
1003     tpar[0] = dMotherInner;
1004     tpar[1] = dMotherOutner;
1005     tpar[2] = dstation;
1006     gMC->Gsvolu("CH09", "TUBE", idAir, tpar, 3);
1007     gMC->Gsvolu("CH10", "TUBE", idAir, tpar, 3);
1008
1009     // create and position the slat (mother) volumes
1010
1011     char idSlatCh9[5];
1012     char idSlatCh10[5];
1013     Float_t xSlat5;
1014     Float_t ySlat5 = 0;
1015     angle = 0.;
1016
1017     for (i = 0; i < kNslats5; i++){
1018
1019       slatLength5[i] = kPcbLength * kNPCB5[i] + 2.* kVframeLength;
1020       xSlat5 = slatLength5[i]/2. + kDslatLength + kXpos5[i];
1021       ySlat5 += kYpos5[i];
1022
1023       spar[0] = slatLength5[i]/2.;
1024       spar[1] = kSlatHeight/2.;
1025       spar[2] = kSlatWidth/2.;
1026
1027       Float_t dzCh5  = dzCh;
1028       Float_t zSlat5 = (i%2 ==0)? -zSlat : zSlat;
1029
1030       sprintf(idSlatCh9,"LE%d",kNslats5-1+i);
1031       detElemId = 913 - (i + kNslats5-1-6);
1032       //gMC->Gsvolu(idSlatCh9,"BOX",kSlatMaterial,spar,3);
1033       GetEnvelopes(8)->AddEnvelope(idSlatCh9, detElemId, true, TGeoTranslation(xSlat5, ySlat5, -zSlat5 + dzCh5),
1034                                    TGeoRotation("rot1",90,angle,90,90+angle,0,0) );
1035
1036       sprintf(idSlatCh9,"LE%d",3*kNslats5-2+i);
1037       detElemId = 900 + (i + kNslats5-1-6);
1038       //gMC->Gsvolu(idSlatCh9,"BOX",kSlatMaterial,spar,3);
1039       GetEnvelopes(8)->AddEnvelope(idSlatCh9, detElemId, true, TGeoTranslation(-xSlat5, ySlat5, zSlat5 - dzCh5),
1040                                    TGeoRotation("rot2",90,180+angle,90,90+angle,180,0) );
1041
1042       if (i > 0) {
1043         sprintf(idSlatCh9,"LE%d",kNslats5-1-i);
1044         detElemId = 913 + (i + kNslats5-1-6);
1045         //gMC->Gsvolu(idSlatCh9,"BOX",kSlatMaterial,spar,3);
1046         GetEnvelopes(8)->AddEnvelope(idSlatCh9, detElemId, true, TGeoTranslation(xSlat5, -ySlat5, -zSlat5 + dzCh5),
1047                                      TGeoRotation("rot3",90,angle,90,270+angle,180,0) );
1048
1049         sprintf(idSlatCh9,"LE%d",3*kNslats5-2-i);
1050         detElemId = 926 - (i + kNslats5-1-6);
1051         //gMC->Gsvolu(idSlatCh9,"BOX",kSlatMaterial,spar,3);
1052         GetEnvelopes(8)->AddEnvelope(idSlatCh9, detElemId, true, TGeoTranslation(-xSlat5, -ySlat5, zSlat5 - dzCh5),
1053                                      TGeoRotation("rot4",90,180+angle,90,270+angle,0,0)  );
1054       }
1055
1056       sprintf(idSlatCh10,"LF%d",kNslats5-1+i);
1057       detElemId = 1013 - (i + kNslats5-1-6);
1058       //gMC->Gsvolu(idSlatCh10,"BOX",kSlatMaterial,spar,3);
1059       GetEnvelopes(9)->AddEnvelope(idSlatCh10, detElemId, true, TGeoTranslation(xSlat5, ySlat5, -zSlat5 + dzCh5),
1060                                    TGeoRotation("rot5",90,angle,90,90+angle,0,0) );
1061
1062       sprintf(idSlatCh10,"LF%d",3*kNslats5-2+i);
1063       detElemId = 1000 + (i + kNslats5-1-6);
1064       //gMC->Gsvolu(idSlatCh10,"BOX",kSlatMaterial,spar,3);
1065       GetEnvelopes(9)->AddEnvelope(idSlatCh10, detElemId, true, TGeoTranslation(-xSlat5, ySlat5, zSlat5 - dzCh5),
1066                                    TGeoRotation("rot6",90,180+angle,90,90+angle,180,0) );
1067
1068       if (i > 0) {
1069         sprintf(idSlatCh10,"LF%d",kNslats5-1-i);
1070         detElemId = 1013 + (i + kNslats5-1-6);
1071         //gMC->Gsvolu(idSlatCh10,"BOX",kSlatMaterial,spar,3);
1072         GetEnvelopes(9)->AddEnvelope(idSlatCh10, detElemId, true, TGeoTranslation(xSlat5, -ySlat5, -zSlat5 + dzCh5),
1073                                      TGeoRotation("rot7",90,angle,90,270+angle,180,0) );
1074         sprintf(idSlatCh10,"LF%d",3*kNslats5-2-i);
1075         detElemId = 1026 - (i + kNslats5-1-6);
1076         //gMC->Gsvolu(idSlatCh10,"BOX",kSlatMaterial,spar,3);
1077         GetEnvelopes(9)->AddEnvelope(idSlatCh10, detElemId, true, TGeoTranslation(-xSlat5, -ySlat5, zSlat5 - dzCh5),
1078                                      TGeoRotation("rot8",90,180+angle,90,270+angle,0,0) );
1079       }
1080     }
1081
1082     // create the panel volume
1083
1084     gMC->Gsvolu("S09C","BOX",kCarbonMaterial,panelpar,3);
1085     gMC->Gsvolu("S10C","BOX",kCarbonMaterial,panelpar,3);
1086
1087     // create the nomex volume
1088
1089     gMC->Gsvolu("S09N","BOX",kNomexMaterial,nomexpar,3);
1090     gMC->Gsvolu("S10N","BOX",kNomexMaterial,nomexpar,3);
1091
1092
1093     // create the nomex volume (bulk)
1094
1095     gMC->Gsvolu("S09X","BOX",kNomexBMaterial,nomexbpar,3);
1096     gMC->Gsvolu("S10X","BOX",kNomexBMaterial,nomexbpar,3);
1097
1098     // create the insulating material volume
1099
1100     gMC->Gsvolu("S09I","BOX",kInsuMaterial,insupar,3);
1101     gMC->Gsvolu("S10I","BOX",kInsuMaterial,insupar,3);
1102
1103     // create the PCB volume
1104
1105     gMC->Gsvolu("S09P","BOX",kPcbMaterial,pcbpar,3);
1106     gMC->Gsvolu("S10P","BOX",kPcbMaterial,pcbpar,3);
1107
1108     // create the sensitive volumes,
1109
1110     gMC->Gsvolu("S09G","BOX",kSensMaterial,dum,0);
1111     gMC->Gsvolu("S10G","BOX",kSensMaterial,dum,0);
1112
1113     // create the vertical frame volume
1114
1115     gMC->Gsvolu("S09V","BOX",kVframeMaterial,vFramepar,3);
1116     gMC->Gsvolu("S10V","BOX",kVframeMaterial,vFramepar,3);
1117
1118     // create the horizontal frame volume
1119
1120     gMC->Gsvolu("S09H","BOX",kHframeMaterial,hFramepar,3);
1121     gMC->Gsvolu("S10H","BOX",kHframeMaterial,hFramepar,3);
1122
1123     // create the horizontal border volume
1124
1125     gMC->Gsvolu("S09B","BOX",kBframeMaterial,bFramepar,3);
1126     gMC->Gsvolu("S10B","BOX",kBframeMaterial,bFramepar,3);
1127
1128     index = 0;
1129     for (i = 0; i < kNslats5; i++){
1130       for (Int_t quadrant = 1; quadrant <= 4; quadrant++) {
1131
1132         if (i == 0 && quadrant == 2) continue;
1133         if (i == 0 && quadrant == 4) continue;
1134
1135         sprintf(idSlatCh9,"LE%d",ConvertSlatNum(i,quadrant,kNslats5-1));
1136         sprintf(idSlatCh10,"LF%d",ConvertSlatNum(i,quadrant,kNslats5-1));
1137         Float_t xvFrame  = (slatLength5[i] - kVframeLength)/2.; // ok
1138
1139         // position the vertical frames (spacers)
1140         if (i != 1) {
1141           GetEnvelopes(8)->AddEnvelopeConstituent("S09V", idSlatCh9, (2*i-1)*10+quadrant,TGeoTranslation(xvFrame,0.,0.));
1142           GetEnvelopes(8)->AddEnvelopeConstituent("S09V", idSlatCh9, (2*i)*10+quadrant,TGeoTranslation(-xvFrame,0.,0.));
1143           GetEnvelopes(9)->AddEnvelopeConstituent("S10V", idSlatCh10, (2*i-1)*10+quadrant,TGeoTranslation(xvFrame,0.,0.));
1144           GetEnvelopes(9)->AddEnvelopeConstituent("S10V", idSlatCh10, (2*i)*10+quadrant,TGeoTranslation(-xvFrame,0.,0.));
1145         } else {  // no rounded spacer yet
1146           GetEnvelopes(8)->AddEnvelopeConstituent("S09V", idSlatCh9, (2*i-1)*10+quadrant,TGeoTranslation(xvFrame,0.,0.));
1147           //       GetEnvelopes(8)->AddEnvelopeConstituent("S09V", idSlatCh9, (2*i)*10+quadrant,TGeoTranslation(-xvFrame,0.,0.));
1148           GetEnvelopes(9)->AddEnvelopeConstituent("S10V", idSlatCh10, (2*i-1)*10+quadrant,TGeoTranslation(xvFrame,0.,0.));
1149           //       GetEnvelopes(9)->AddEnvelopeConstituent("S10V", idSlatCh10, (2*i)*10+quadrant,TGeoTranslation(-xvFrame,0.,0.));
1150         }
1151
1152         // position the panels and the insulating material
1153         for (j = 0; j < kNPCB5[i]; j++){
1154           if (i == 1 && j == 0) continue;
1155           index++;
1156           Float_t xx = kSensLength * (-kNPCB5[i]/2.+j+.5);
1157
1158           Float_t zPanel = spar[2] - nomexbpar[2];
1159           GetEnvelopes(8)->AddEnvelopeConstituent("S09X", idSlatCh9, 2*index-1,TGeoTranslation(xx,0.,zPanel));
1160           GetEnvelopes(8)->AddEnvelopeConstituent("S09X", idSlatCh9, 2*index,TGeoTranslation(xx,0.,-zPanel));
1161           GetEnvelopes(8)->AddEnvelopeConstituent("S09I", idSlatCh9, index,TGeoTranslation(xx,0.,0.));
1162
1163           GetEnvelopes(9)->AddEnvelopeConstituent("S10X", idSlatCh10, 2*index-1,TGeoTranslation(xx,0.,zPanel));
1164           GetEnvelopes(9)->AddEnvelopeConstituent("S10X", idSlatCh10, 2*index,TGeoTranslation(xx,0.,-zPanel));
1165           GetEnvelopes(9)->AddEnvelopeConstituent("S10I", idSlatCh10, index,TGeoTranslation(xx,0.,0.));
1166         }
1167       }
1168     }
1169
1170     // position the nomex volume inside the panel volume
1171     gMC->Gspos("S09N",1,"S09C",0.,0.,0.,0,"ONLY");
1172     gMC->Gspos("S10N",1,"S10C",0.,0.,0.,0,"ONLY");
1173
1174     // position panel  volume inside the bulk nomex material volume
1175     gMC->Gspos("S09C",1,"S09X",0.,0.,kNomexBWidth/2.,0,"ONLY");
1176     gMC->Gspos("S10C",1,"S10X",0.,0.,kNomexBWidth/2.,0,"ONLY");
1177
1178     // position the PCB volume inside the insulating material volume
1179     gMC->Gspos("S09P",1,"S09I",0.,0.,0.,0,"ONLY");
1180     gMC->Gspos("S10P",1,"S10I",0.,0.,0.,0,"ONLY");
1181
1182     // position the horizontal frame volume inside the PCB volume
1183     gMC->Gspos("S09H",1,"S09P",0.,0.,0.,0,"ONLY");
1184     gMC->Gspos("S10H",1,"S10P",0.,0.,0.,0,"ONLY");
1185
1186     // position the sensitive volume inside the horizontal frame volume
1187     gMC->Gsposp("S09G",1,"S09H",0.,0.,0.,0,"ONLY",senspar,3);
1188     gMC->Gsposp("S10G",1,"S10H",0.,0.,0.,0,"ONLY",senspar,3);
1189
1190     // position the border volumes inside the PCB volume
1191     Float_t yborder = ( kPcbHeight - kBframeHeight ) / 2.;
1192     gMC->Gspos("S09B",1,"S09P",0., yborder,0.,0,"ONLY");
1193     gMC->Gspos("S09B",2,"S09P",0.,-yborder,0.,0,"ONLY");
1194     gMC->Gspos("S10B",1,"S10P",0., yborder,0.,0,"ONLY");
1195     gMC->Gspos("S10B",2,"S10P",0.,-yborder,0.,0,"ONLY");
1196
1197     //      // create the NULOC volume and position it in the horizontal frame
1198
1199     gMC->Gsvolu("S09E","BOX",kNulocMaterial,nulocpar,3);
1200     gMC->Gsvolu("S10E","BOX",kNulocMaterial,nulocpar,3);
1201     index = 0;
1202     for (xx = -xxmax; xx <= xxmax; xx += 2*kNulocLength) {
1203       index++;
1204       gMC->Gspos("S09E",2*index-1,"S09B", xx, 0.,-kBframeWidth/2. + kNulocWidth/2, 0, "ONLY");
1205       gMC->Gspos("S09E",2*index  ,"S09B", xx, 0., kBframeWidth/2. - kNulocWidth/2, 0, "ONLY");
1206       gMC->Gspos("S10E",2*index-1,"S10B", xx, 0.,-kBframeWidth/2. + kNulocWidth/2, 0, "ONLY");
1207       gMC->Gspos("S10E",2*index  ,"S10B", xx, 0., kBframeWidth/2. - kNulocWidth/2, 0, "ONLY");
1208     }
1209
1210
1211     // position the volumes approximating the circular section of the pipe
1212     Float_t epsilon = 0.001;
1213     Int_t ndiv = 10;
1214     Int_t imax = 1;
1215     Double_t divpar[3];
1216     Double_t dydiv = kSensHeight/ndiv;
1217     Double_t ydiv  = (kSensHeight - dydiv)/2.;
1218     Float_t rmin   = AliMUONConstants::Rmin(4);
1219     Float_t xdiv   = 0.;
1220     Float_t xvol;
1221     Float_t yvol;
1222
1223     for (Int_t idiv = 0; idiv < ndiv; idiv++){
1224       ydiv += dydiv;
1225       xdiv = 0.;
1226       if (ydiv < rmin) xdiv = rmin * TMath::Sin( TMath::ACos((ydiv-dydiv/2.)/rmin) );
1227       divpar[0] = (kPcbLength - xdiv)/2.;
1228       divpar[1] = dydiv/2. - epsilon;
1229       divpar[2] = kSensWidth/2.;
1230       xvol = (kPcbLength + xdiv)/2.;
1231       yvol = ydiv;
1232
1233       for (Int_t quadrant = 1; quadrant <= 4; quadrant++) {
1234         sprintf(idSlatCh9,"LE%d",ConvertSlatNum(1,quadrant,kNslats5-1));
1235         sprintf(idSlatCh10,"LF%d",ConvertSlatNum(1,quadrant,kNslats5-1));
1236
1237         GetEnvelopes(8)->AddEnvelopeConstituentParam("S09G", idSlatCh9, quadrant*100+imax+4*idiv+1,
1238                                                      TGeoTranslation(xvol-kPcbLength * kNPCB5[1]/2.,yvol-kPcbLength,0.),3,divpar);
1239         GetEnvelopes(9)->AddEnvelopeConstituentParam("S10G", idSlatCh10,  quadrant*100+imax+4*idiv+1,
1240                                                      TGeoTranslation(xvol-kPcbLength * kNPCB5[1]/2.,yvol-kPcbLength,0.),3,divpar);
1241       }
1242     }
1243     //
1244     //Geometry of the support pannel Verticla length 5.7m, horizontal length 2.6m, internal radius  dMotherInner o CH09 and CH10  (F. Orsini, Saclay)
1245     //Carbon fiber of 0.3 mm thick (2 layers) and a central layer of Nomex of 15mm thick.
1246     Float_t nomexthickness = 1.5;
1247     Float_t carbonthickness = 0.03;
1248     Float_t supporthlength =  260.;
1249     Float_t supportvlength =  570.;
1250     // Generating the composite shape of the carbon and nomex pannels
1251     new TGeoBBox("shNomexBoxSt5",supporthlength/2., supportvlength/2. ,nomexthickness/2.+carbonthickness);
1252     new TGeoBBox("shCarbonBoxSt5",supporthlength/2., supportvlength/2. ,carbonthickness/2.);
1253     new TGeoTubeSeg("shNomexHoleSt5",0., dMotherInner, nomexthickness/2.+carbonthickness+0.001, -90. ,90.);
1254     new TGeoTubeSeg("shCarbonHoleSt5",0., dMotherInner, carbonthickness/2.+0.001, -90. ,90.);
1255     TGeoTranslation * trHoleSt5 = new TGeoTranslation("trHoleSt5",-supporthlength/2.,0.,0.);
1256     trHoleSt5->RegisterYourself();
1257     TGeoCompositeShape * shNomexSupportSt5  = new TGeoCompositeShape("shNomexSupportSt5","shNomexBoxSt5-shNomexHoleSt5:trHoleSt5");
1258     TGeoCompositeShape * shCarbonSupportSt5 = new TGeoCompositeShape("shCarbonSupportSt5","shCarbonBoxSt5-shCarbonHoleSt5:trHoleSt5");
1259
1260    // Generating Nomex and Carbon pannel volumes
1261     TGeoVolume * voNomexSupportSt5  = new TGeoVolume("S09S", shNomexSupportSt5, kMedNomex);
1262     TGeoVolume * voCarbonSupportSt5 = new TGeoVolume("S09K", shCarbonSupportSt5, kMedCarbon);
1263     TGeoTranslation *trCarbon1St5   = new TGeoTranslation("trCarbon1St5",0.,0., -(nomexthickness+carbonthickness)/2.);
1264     TGeoTranslation *trCarbon2St5   = new TGeoTranslation("trCarbon2St5",0.,0.,  (nomexthickness+carbonthickness)/2.);
1265     voNomexSupportSt5->AddNode(voCarbonSupportSt5,1,trCarbon1St5);
1266     voNomexSupportSt5->AddNode(voCarbonSupportSt5,2,trCarbon2St5);
1267     Float_t dzCh9  = dzCh;
1268     TGeoTranslation * trSupport1St5   = new TGeoTranslation("trSupport1St5", supporthlength/2., 0. , dzCh9);
1269     TGeoRotation    * roSupportSt5    = new TGeoRotation("roSupportSt5",90.,180.,-90.);
1270     TGeoCombiTrans  * coSupport2St5   = new TGeoCombiTrans(-supporthlength/2., 0., -dzCh9, roSupportSt5);
1271     gGeoManager->FindVolumeFast("CH09")->AddNode(voNomexSupportSt5,1,trSupport1St5);
1272     gGeoManager->FindVolumeFast("CH09")->AddNode(voNomexSupportSt5,2,coSupport2St5);
1273     gGeoManager->FindVolumeFast("CH10")->AddNode(voNomexSupportSt5,3,trSupport1St5);
1274     gGeoManager->FindVolumeFast("CH10")->AddNode(voNomexSupportSt5,4,coSupport2St5);
1275     // End of pannel support geometry
1276
1277     // cout << "Geometry for Station 5...... done" << endl;
1278
1279   }
1280 }
1281
1282
1283 //______________________________________________________________________________
1284 void AliMUONSlatGeometryBuilder::SetTransformations()
1285 {
1286 // Defines the transformations for the station345 chambers.
1287 // ---
1288
1289   if (gAlice->GetModule("DIPO")) {
1290     // if DIPO is preset, the whole station will be placed in DDIP volume
1291     SetMotherVolume(4, "DDIP");
1292     SetMotherVolume(5, "DDIP");
1293     SetVolume(4, "CH05", true);
1294     SetVolume(5, "CH06", true);
1295   }
1296   else {
1297     SetVolume(4, "CH05");
1298     SetVolume(5, "CH06");
1299   }
1300
1301   if (gAlice->GetModule("SHIL")) {
1302     SetMotherVolume(6, "YOUT2");
1303     SetMotherVolume(7, "YOUT2");
1304     SetMotherVolume(8, "YOUT2");
1305     SetMotherVolume(9, "YOUT2");
1306   }
1307
1308   SetVolume(6, "CH07");
1309   SetVolume(7, "CH08");
1310   SetVolume(8, "CH09");
1311   SetVolume(9, "CH10");
1312
1313 // Stations 345 are not perpendicular to the beam axis
1314 // See AliMUONConstants class
1315   TGeoRotation st345inclination("rot99");
1316   st345inclination.RotateX(AliMUONConstants::St345Inclination());
1317
1318   Double_t zpos1= - AliMUONConstants::DefaultChamberZ(4);
1319   SetTransformation(4, TGeoTranslation(0., 0., zpos1), st345inclination);
1320
1321   zpos1= - AliMUONConstants::DefaultChamberZ(5);
1322   SetTransformation(5, TGeoTranslation(0., 0., zpos1), st345inclination);
1323
1324   zpos1 = - AliMUONConstants::DefaultChamberZ(6);
1325   SetTransformation(6, TGeoTranslation(0., 0., zpos1), st345inclination);
1326
1327   zpos1 = - AliMUONConstants::DefaultChamberZ(7);
1328   SetTransformation(7, TGeoTranslation(0., 0., zpos1), st345inclination );
1329
1330   zpos1 = - AliMUONConstants::DefaultChamberZ(8);
1331   SetTransformation(8, TGeoTranslation(0., 0., zpos1), st345inclination);
1332
1333   zpos1 = - AliMUONConstants::DefaultChamberZ(9);
1334   SetTransformation(9, TGeoTranslation(0., 0., zpos1), st345inclination);
1335
1336 }
1337
1338 //______________________________________________________________________________
1339 void AliMUONSlatGeometryBuilder::SetSensitiveVolumes()
1340 {
1341 // Defines the sensitive volumes for slat stations chambers.
1342 // ---
1343
1344   GetGeometry(4)->SetSensitiveVolume("S05G");
1345   GetGeometry(5)->SetSensitiveVolume("S06G");
1346   GetGeometry(6)->SetSensitiveVolume("S07G");
1347   GetGeometry(7)->SetSensitiveVolume("S08G");
1348   GetGeometry(8)->SetSensitiveVolume("S09G");
1349   GetGeometry(9)->SetSensitiveVolume("S10G");
1350 }
1351
1352 //______________________________________________________________________________
1353 Int_t  AliMUONSlatGeometryBuilder::ConvertSlatNum(Int_t numslat, Int_t quadnum, Int_t fspq) const
1354 {
1355 // On-line function establishing the correspondance between numslat (the slat number on a particular quadrant (numslat->0....4 for St3))
1356 // and slatnum (the slat number on the whole panel (slatnum->1...18 for St3)
1357   numslat += 1;
1358   if (quadnum==2 || quadnum==3)
1359     numslat += fspq;
1360   else
1361     numslat = fspq + 2-numslat;
1362   numslat -= 1;
1363
1364   if (quadnum==3 || quadnum==4) numslat += 2*fspq+1;
1365
1366   return numslat;
1367 }