RICH/AliRICHv3.cxx

   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 #include <Riostream.h>
  18
  19 #include <TBRIK.h>
  20 #include <TGeometry.h>
  21 #include <TLorentzVector.h>
  22 #include <TNode.h>
  23 #include <TParticle.h>
  24 #include <TVector3.h>
  25 #include <TVirtualMC.h>
  26 #include <TPDGCode.h> //for kNuetron
  27 #include <TCanvas.h>
  28 #include <TF1.h>
  29 #include <TH1.h>
  30 #include <TH2.h>
  31 #include <TStyle.h>
  32
  33 #include "AliConst.h"
  34 #include "AliMagF.h"
  35 #include "AliPDG.h"
  36 #include "AliRICHGeometry.h"
  37 #include "AliRICHResponseV0.h"
  38 #include "AliRICHSegmentationV1.h"
  39 #include "AliRICHv3.h"
  40 #include "AliRun.h"
  41 #include "AliRICHRawCluster.h"
  42 #include "AliRICHDigit.h"
  43 #include "AliRICHRecHit1D.h"
  44
  45
  46 ClassImp(AliRICHv3)
  47
  48 //______________________________________________________________
  49 //    Implementation of the RICH version 3 with azimuthal rotation
  50
  51
  52 AliRICHv3::AliRICHv3(const char *sName, const char *sTitle)
  53           :AliRICH(sName,sTitle)
  54 {
  55 // The named ctor currently creates a single copy of
  56 // AliRICHGeometry AliRICHSegmentationV1 AliRICHResponseV0
  57 // and initialises the corresponding models of all 7 chambers with these stuctures.
  58 // Note: all chambers share the single copy of models. MUST be changed later (???).
  59   if(GetDebug())Info("named ctor","Start.");
  60
  61    fCkovNumber=fFreonProd=0;
  62
  63    AliRICHGeometry       *pRICHGeometry    =new AliRICHGeometry;           // ??? to be moved to AlRICHChamber::named ctor
  64    AliRICHSegmentationV1 *pRICHSegmentation=new AliRICHSegmentationV1;     // ??? to be moved to AlRICHChamber::named ctor
  65    AliRICHResponseV0     *pRICHResponse    =new AliRICHResponseV0;         // ??? to be moved to AlRICHChamber::named ctor
  66
  67    for (Int_t i=1; i<=kNCH; i++){
  68       SetGeometryModel(i,pRICHGeometry);
  69       SetSegmentationModel(i,pRICHSegmentation);
  70       SetResponseModel(i,pRICHResponse);
  71       C(i)->Init(i); // ??? to be removed
  72    }
  73   if(GetDebug())Info("named ctor","Stop.");
  74 }//AliRICHv3::ctor(const char *pcName, const char *pcTitle)
  75
  76 AliRICHv3::~AliRICHv3()
  77 {
  78 // Dtor deletes RICH models. In future (???) AliRICHChamber will be responsible for that.
  79    if(GetDebug()) cout<<ClassName()<<"::dtor()>\n";
  80
  81    if(fChambers) {
  82      AliRICHChamber *ch =C(1);
  83      if(ch) {
  84        delete ch->GetGeometryModel();
  85        delete ch->GetResponseModel();
  86        delete ch->GetSegmentationModel();
  87      }
  88    }
  89 }//AliRICHv3::dtor()
  90
  91
  92 void AliRICHv3::CreateGeometry()
  93 {
  94 // Provides geometry structure for simulation (currently GEANT volumes tree)
  95    if(GetDebug()) cout<<ClassName()<<"::CreateGeometry()>\n";
  96
  97   AliRICH *pRICH = (AliRICH *) gAlice->GetDetector("RICH");
  98   AliRICHSegmentationV0*  segmentation;
  99   AliRICHGeometry*  geometry;
 100   AliRICHChamber*       iChamber;
 101
 102   iChamber = &(pRICH->Chamber(0));
 103   segmentation=(AliRICHSegmentationV0*) iChamber->GetSegmentationModel();
 104   geometry=iChamber->GetGeometryModel();
 105
 106   Float_t distance;
 107   distance = geometry->GetFreonThickness()/2 + geometry->GetQuartzThickness() + geometry->GetGapThickness();
 108   geometry->SetRadiatorToPads(distance);
 109
 110   //Opaque quartz thickness
 111   Float_t oqua_thickness = .5;
 112   //CsI dimensions
 113
 114
 115   Float_t csi_width = segmentation->Npx()*segmentation->Dpx() + segmentation->DeadZone();
 116   Float_t csi_length = segmentation->Npy()*segmentation->Dpy() + 2*segmentation->DeadZone();
 117
 118
 119   Int_t *idtmed = fIdtmed->GetArray()-999;
 120
 121     Int_t i;
 122     Float_t zs;
 123     Int_t idrotm[1099];
 124     Float_t par[3];
 125
 126     // --- Define the RICH detector
 127     //     External aluminium box
 128     par[0] = 68.8;
 129     par[1] = 13;                 //Original Settings
 130     par[2] = 70.86;
 131     gMC->Gsvolu("RICH", "BOX ", idtmed[1009], par, 3);
 132
 133     //     Air
 134     par[0] = 66.3;
 135     par[1] = 13;                 //Original Settings
 136     par[2] = 68.35;
 137     gMC->Gsvolu("SRIC", "BOX ", idtmed[1000], par, 3);
 138
 139     //    Air 2 (cutting the lower part of the box)
 140
 141     par[0] = 1.25;
 142     par[1] = 3;                 //Original Settings
 143     par[2] = 70.86;
 144     gMC->Gsvolu("AIR2", "BOX ", idtmed[1000], par, 3);
 145
 146     //    Air 3 (cutting the lower part of the box)
 147
 148     par[0] = 66.3;
 149     par[1] = 3;                 //Original Settings
 150     par[2] = 1.2505;
 151     gMC->Gsvolu("AIR3", "BOX ", idtmed[1000], par, 3);
 152
 153     //     Honeycomb
 154     par[0] = 66.3;
 155     par[1] = .188;                 //Original Settings
 156     par[2] = 68.35;
 157     gMC->Gsvolu("HONE", "BOX ", idtmed[1001], par, 3);
 158
 159     //     Aluminium sheet
 160     par[0] = 66.3;
 161     par[1] = .025;                 //Original Settings
 162     par[2] = 68.35;
 163     /*par[0] = 66.5;
 164     par[1] = .025;
 165     par[2] = 63.1;*/
 166     gMC->Gsvolu("ALUM", "BOX ", idtmed[1009], par, 3);
 167
 168     //     Quartz
 169     par[0] = geometry->GetQuartzWidth()/2;
 170     par[1] = geometry->GetQuartzThickness()/2;
 171     par[2] = geometry->GetQuartzLength()/2;
 172     gMC->Gsvolu("QUAR", "BOX ", idtmed[1002], par, 3);
 173
 174     //     Spacers (cylinders)
 175     par[0] = 0.;
 176     par[1] = .5;
 177     par[2] = geometry->GetFreonThickness()/2;
 178     gMC->Gsvolu("SPAC", "TUBE", idtmed[1002], par, 3);
 179
 180     //     Feet (freon slabs supports)
 181
 182     par[0] = .7;
 183     par[1] = .3;
 184     par[2] = 1.9;
 185     gMC->Gsvolu("FOOT", "BOX", idtmed[1009], par, 3);
 186
 187     //     Opaque quartz
 188     par[0] = geometry->GetQuartzWidth()/2;
 189     par[1] = .2;
 190     par[2] = geometry->GetQuartzLength()/2;
 191     gMC->Gsvolu("OQUA", "BOX ", idtmed[1007], par, 3);
 192
 193     //     Frame of opaque quartz
 194     par[0] = geometry->GetOuterFreonWidth()/2;
 195     par[1] = geometry->GetFreonThickness()/2;
 196     par[2] = geometry->GetOuterFreonLength()/2;
 197     gMC->Gsvolu("OQF1", "BOX ", idtmed[1007], par, 3);
 198
 199     par[0] = geometry->GetInnerFreonWidth()/2;
 200     par[1] = geometry->GetFreonThickness()/2;
 201     par[2] = geometry->GetInnerFreonLength()/2;
 202     gMC->Gsvolu("OQF2", "BOX ", idtmed[1007], par, 3);
 203
 204
 205     //     Freon
 206     par[0] = geometry->GetOuterFreonWidth()/2 - oqua_thickness;
 207     par[1] = geometry->GetFreonThickness()/2;
 208     par[2] = geometry->GetOuterFreonLength()/2 - 2*oqua_thickness;
 209     gMC->Gsvolu("FRE1", "BOX ", idtmed[1003], par, 3);
 210
 211     par[0] = geometry->GetInnerFreonWidth()/2 - oqua_thickness;
 212     par[1] = geometry->GetFreonThickness()/2;
 213     par[2] = geometry->GetInnerFreonLength()/2 - 2*oqua_thickness;
 214     gMC->Gsvolu("FRE2", "BOX ", idtmed[1003], par, 3);
 215
 216     //     Methane
 217     par[0] = csi_width/2;
 218     par[1] = geometry->GetGapThickness()/2;
 219     par[2] = csi_length/2;
 220     gMC->Gsvolu("META", "BOX ", idtmed[1004], par, 3);
 221
 222     //     Methane gap
 223     par[0] = csi_width/2;
 224     par[1] = geometry->GetProximityGapThickness()/2;
 225     par[2] = csi_length/2;
 226     gMC->Gsvolu("GAP ", "BOX ", idtmed[1008], par, 3);
 227
 228     //     CsI photocathode
 229     par[0] = csi_width/2;
 230     par[1] = .25;
 231     par[2] = csi_length/2;
 232     gMC->Gsvolu("CSI ", "BOX ", idtmed[1005], par, 3);
 233
 234     //     Anode grid
 235     par[0] = 0.;
 236     par[1] = .001;
 237     par[2] = 20.;
 238     gMC->Gsvolu("GRID", "TUBE", idtmed[1006], par, 3);
 239
 240     // Wire supports
 241     // Bar of metal
 242
 243     par[0] = csi_width/2;
 244     par[1] = 1.05;
 245     par[2] = 1.05;
 246     gMC->Gsvolu("WSMe", "BOX ", idtmed[1009], par, 3);
 247
 248     // Ceramic pick up (base)
 249
 250     par[0] =  csi_width/2;
 251     par[1] = .25;
 252     par[2] = 1.05;
 253     gMC->Gsvolu("WSG1", "BOX ", idtmed[1010], par, 3);
 254
 255     // Ceramic pick up (head)
 256
 257     par[0] = csi_width/2;
 258     par[1] = .1;
 259     par[2] = .1;
 260     gMC->Gsvolu("WSG2", "BOX ", idtmed[1010], par, 3);
 261
 262     // Aluminium supports for methane and CsI
 263     // Short bar
 264
 265     par[0] = csi_width/2;
 266     par[1] = geometry->GetGapThickness()/2 + .25;
 267     par[2] = (68.35 - csi_length/2)/2;
 268     gMC->Gsvolu("SMSH", "BOX", idtmed[1009], par, 3);
 269
 270     // Long bar
 271
 272     par[0] = (66.3 - csi_width/2)/2;
 273     par[1] = geometry->GetGapThickness()/2 + .25;
 274     par[2] = csi_length/2 + 68.35 - csi_length/2;
 275     gMC->Gsvolu("SMLG", "BOX", idtmed[1009], par, 3);
 276
 277     // Aluminium supports for freon
 278     // Short bar
 279
 280     par[0] = geometry->GetQuartzWidth()/2;
 281     par[1] = .3;
 282     par[2] = (68.35 - geometry->GetQuartzLength()/2)/2;
 283     gMC->Gsvolu("SFSH", "BOX", idtmed[1009], par, 3);
 284
 285     // Long bar
 286
 287     par[0] = (66.3 - geometry->GetQuartzWidth()/2)/2;
 288     par[1] = .3;
 289     par[2] = geometry->GetQuartzLength()/2 + 68.35 - geometry->GetQuartzLength()/2;
 290     gMC->Gsvolu("SFLG", "BOX", idtmed[1009], par, 3);
 291
 292     // PCB backplane
 293
 294     par[0] = csi_width/2;
 295     par[1] = .25;
 296     par[2] = csi_length/4 -.5025;
 297     gMC->Gsvolu("PCB ", "BOX", idtmed[1011], par, 3);
 298
 299
 300     // Backplane supports
 301
 302     // Aluminium slab
 303
 304     par[0] = 33.15;
 305     par[1] = 2;
 306     par[2] = 21.65;
 307     gMC->Gsvolu("BACK", "BOX", idtmed[1009], par, 3);
 308
 309     // Big hole
 310
 311     par[0] = 9.05;
 312     par[1] = 2;
 313     par[2] = 4.4625;
 314     gMC->Gsvolu("BKHL", "BOX", idtmed[1000], par, 3);
 315
 316     // Small hole
 317
 318     par[0] = 5.7;
 319     par[1] = 2;
 320     par[2] = 4.4625;
 321     gMC->Gsvolu("BKHS", "BOX", idtmed[1000], par, 3);
 322
 323     // Place holes inside backplane support
 324
 325     gMC->Gspos("BKHS", 1, "BACK", .8 + 5.7,0., .6 + 4.4625, 0, "ONLY");
 326     gMC->Gspos("BKHS", 2, "BACK", -.8 - 5.7,0., .6 + 4.4625, 0, "ONLY");
 327     gMC->Gspos("BKHS", 3, "BACK", .8 + 5.7,0., -.6 - 4.4625, 0, "ONLY");
 328     gMC->Gspos("BKHS", 4, "BACK", -.8 - 5.7,0., -.6 - 4.4625, 0, "ONLY");
 329     gMC->Gspos("BKHS", 5, "BACK", .8 + 5.7,0., .6 + 8.925 + 1.2 + 4.4625, 0, "ONLY");
 330     gMC->Gspos("BKHS", 6, "BACK", -.8 - 5.7,0., .6 + 8.925 + 1.2 + 4.4625, 0, "ONLY");
 331     gMC->Gspos("BKHS", 7, "BACK", .8 + 5.7,0., -.6 - 8.925 - 1.2 - 4.4625, 0, "ONLY");
 332     gMC->Gspos("BKHS", 8, "BACK", -.8 - 5.7,0., -.6 - 8.925 - 1.2 - 4.4625, 0, "ONLY");
 333     gMC->Gspos("BKHL", 1, "BACK", .8 + 11.4 + 1.6 + 9.05, 0., .6 + 4.4625, 0, "ONLY");
 334     gMC->Gspos("BKHL", 2, "BACK", -.8 - 11.4 - 1.6 - 9.05, 0., .6 + 4.4625, 0, "ONLY");
 335     gMC->Gspos("BKHL", 3, "BACK", .8 + 11.4 + 1.6 + 9.05, 0., -.6 - 4.4625, 0, "ONLY");
 336     gMC->Gspos("BKHL", 4, "BACK", -.8 - 11.4 - 1.6 - 9.05, 0., -.6 - 4.4625, 0, "ONLY");
 337     gMC->Gspos("BKHL", 5, "BACK", .8 + 11.4+ 1.6 + 9.05, 0., .6 + 8.925 + 1.2 + 4.4625, 0, "ONLY");
 338     gMC->Gspos("BKHL", 6, "BACK", -.8 - 11.4 - 1.6 - 9.05, 0., .6 + 8.925 + 1.2 + 4.4625, 0, "ONLY");
 339     gMC->Gspos("BKHL", 7, "BACK", .8 + 11.4 + 1.6 + 9.05, 0., -.6 - 8.925 - 1.2 - 4.4625, 0, "ONLY");
 340     gMC->Gspos("BKHL", 8, "BACK", -.8 - 11.4 - 1.6 - 9.05, 0., -.6 - 8.925 - 1.2 - 4.4625, 0, "ONLY");
 341
 342
 343
 344     // --- Places the detectors defined with GSVOLU
 345     //     Place material inside RICH
 346     gMC->Gspos("SRIC", 1, "RICH", 0.,0., 0., 0, "ONLY");
 347     gMC->Gspos("AIR2", 1, "RICH", 66.3 + 1.2505, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, 0., 0, "ONLY");
 348     gMC->Gspos("AIR2", 2, "RICH", -66.3 - 1.2505, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, 0., 0, "ONLY");
 349     gMC->Gspos("AIR3", 1, "RICH", 0.,  1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, -68.35 - 1.25, 0, "ONLY");
 350     gMC->Gspos("AIR3", 2, "RICH", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35,  68.35 + 1.25, 0, "ONLY");
 351
 352
 353     gMC->Gspos("ALUM", 1, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .6 - .05 - .376 -.025, 0., 0, "ONLY");
 354     gMC->Gspos("HONE", 1, "SRIC", 0., 1.276- geometry->GetGapThickness()/2  - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .6 - .05 - .188, 0., 0, "ONLY");
 355     gMC->Gspos("ALUM", 2, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .6 - .025, 0., 0, "ONLY");
 356     gMC->Gspos("FOOT", 1, "SRIC", 64.95, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .3, 36.9, 0, "ONLY");
 357     gMC->Gspos("FOOT", 2, "SRIC", 21.65, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .3 , 36.9, 0, "ONLY");
 358     gMC->Gspos("FOOT", 3, "SRIC", -21.65, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .3, 36.9, 0, "ONLY");
 359     gMC->Gspos("FOOT", 4, "SRIC", -64.95, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .3, 36.9, 0, "ONLY");
 360     gMC->Gspos("FOOT", 5, "SRIC", 64.95, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .3, -36.9, 0, "ONLY");
 361     gMC->Gspos("FOOT", 6, "SRIC", 21.65, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .3, -36.9, 0, "ONLY");
 362     gMC->Gspos("FOOT", 7, "SRIC", -21.65, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .3, -36.9, 0, "ONLY");
 363     gMC->Gspos("FOOT", 8, "SRIC", -64.95, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .4 - .3, -36.9, 0, "ONLY");
 364     gMC->Gspos("OQUA", 1, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()- .2, 0., 0, "ONLY");
 365
 366     // Supports placing
 367
 368     // Methane supports
 369     gMC->Gspos("SMLG", 1, "SRIC", csi_width/2 + (66.3 - csi_width/2)/2, 1.276 + .25, 0., 0, "ONLY");
 370     gMC->Gspos("SMLG", 2, "SRIC", - csi_width/2 - (66.3 - csi_width/2)/2, 1.276 + .25, 0., 0, "ONLY");
 371     gMC->Gspos("SMSH", 1, "SRIC", 0., 1.276 + .25, csi_length/2 + (68.35 - csi_length/2)/2, 0, "ONLY");
 372     gMC->Gspos("SMSH", 2, "SRIC", 0., 1.276 + .25, - csi_length/2 - (68.35 - csi_length/2)/2, 0, "ONLY");
 373
 374     //Freon supports
 375
 376     Float_t supp_y = 1.276 - geometry->GetGapThickness()/2- geometry->GetQuartzThickness() -geometry->GetFreonThickness() - .2 + .3; //y position of freon supports
 377
 378     gMC->Gspos("SFLG", 1, "SRIC", geometry->GetQuartzWidth()/2 + (66.3 - geometry->GetQuartzWidth()/2)/2, supp_y, 0., 0, "ONLY");
 379     gMC->Gspos("SFLG", 2, "SRIC", - geometry->GetQuartzWidth()/2 - (66.3 - geometry->GetQuartzWidth()/2)/2, supp_y, 0., 0, "ONLY");
 380     gMC->Gspos("SFSH", 1, "SRIC", 0., supp_y, geometry->GetQuartzLength()/2 + (68.35 - geometry->GetQuartzLength()/2)/2, 0, "ONLY");
 381     gMC->Gspos("SFSH", 2, "SRIC", 0., supp_y, - geometry->GetQuartzLength()/2 - (68.35 - geometry->GetQuartzLength()/2)/2, 0, "ONLY");
 382
 383     AliMatrix(idrotm[1019], 0., 0., 90., 0., 90., 90.);
 384
 385
 386     Int_t nspacers = 30;
 387
 388     for (i = 0; i < nspacers/3; i++) {
 389         zs = -11.6/2 + (TMath::Abs(nspacers/6) - i) * 12.2;
 390         gMC->Gspos("SPAC", i, "FRE1", 10.5, 0., zs, idrotm[1019], "ONLY");  //Original settings
 391     }
 392
 393     for (i = nspacers/3; i < (nspacers*2)/3; i++) {
 394         zs = -11.6/2 + (nspacers/3 + TMath::Abs(nspacers/6) - i) * 12.2;
 395         gMC->Gspos("SPAC", i, "FRE1", 0, 0., zs, idrotm[1019], "ONLY");  //Original settings
 396     }
 397
 398     for (i = (nspacers*2)/3; i < nspacers; ++i) {
 399         zs = -11.6/2 + ((nspacers*2)/3 + TMath::Abs(nspacers/6) - i) * 12.2;
 400         gMC->Gspos("SPAC", i, "FRE1", -10.5, 0., zs, idrotm[1019], "ONLY"); //Original settings
 401     }
 402
 403     for (i = 0; i < nspacers/3; i++) {
 404         zs = -11.6/2 + (TMath::Abs(nspacers/6) - i) * 12.2;
 405         gMC->Gspos("SPAC", i, "FRE2", 10.5, 0., zs, idrotm[1019], "ONLY");  //Original settings
 406     }
 407
 408     for (i = nspacers/3; i < (nspacers*2)/3; i++) {
 409         zs = -11.6/2 + (nspacers/3 + TMath::Abs(nspacers/6) - i) * 12.2;
 410         gMC->Gspos("SPAC", i, "FRE2", 0, 0., zs, idrotm[1019], "ONLY");  //Original settings
 411     }
 412
 413     for (i = (nspacers*2)/3; i < nspacers; ++i) {
 414         zs = -11.6/2 + ((nspacers*2)/3 + TMath::Abs(nspacers/6) - i) * 12.2;
 415         gMC->Gspos("SPAC", i, "FRE2", -10.5, 0., zs, idrotm[1019], "ONLY"); //Original settings
 416     }
 417
 418
 419     gMC->Gspos("FRE1", 1, "OQF1", 0., 0., 0., 0, "ONLY");
 420     gMC->Gspos("FRE2", 1, "OQF2", 0., 0., 0., 0, "ONLY");
 421     gMC->Gspos("OQF1", 1, "SRIC", geometry->GetOuterFreonWidth()/2 + geometry->GetInnerFreonWidth()/2 + 2, 1.276 - geometry->GetGapThickness()/2- geometry->GetQuartzThickness() -geometry->GetFreonThickness()/2, 0., 0, "ONLY"); //Original settings (31.3)
 422     gMC->Gspos("OQF2", 2, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()/2, 0., 0, "ONLY");          //Original settings
 423     gMC->Gspos("OQF1", 3, "SRIC", - (geometry->GetOuterFreonWidth()/2 + geometry->GetInnerFreonWidth()/2) - 2, 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness() - geometry->GetFreonThickness()/2, 0., 0, "ONLY");       //Original settings (-31.3)
 424     gMC->Gspos("QUAR", 1, "SRIC", 0., 1.276 - geometry->GetGapThickness()/2 - geometry->GetQuartzThickness()/2, 0., 0, "ONLY");
 425     gMC->Gspos("GAP ", 1, "META", 0., geometry->GetGapThickness()/2 - geometry->GetProximityGapThickness()/2 - 0.0001, 0., 0, "ONLY");
 426     gMC->Gspos("META", 1, "SRIC", 0., 1.276, 0., 0, "ONLY");
 427     gMC->Gspos("CSI ", 1, "SRIC", 0., 1.276 + geometry->GetGapThickness()/2 + .25, 0., 0, "ONLY");
 428     printf("CSI pos: %f\n",1.276 + geometry->GetGapThickness()/2 + .25);
 429
 430     // Wire support placing
 431
 432     gMC->Gspos("WSG2", 1, "GAP ", 0., geometry->GetProximityGapThickness()/2 - .1, 0., 0, "ONLY");
 433     gMC->Gspos("WSG1", 1, "CSI ", 0., 0., 0., 0, "ONLY");
 434     gMC->Gspos("WSMe", 1, "SRIC ", 0., 1.276 + geometry->GetGapThickness()/2 + .5 + 1.05, 0., 0, "ONLY");
 435
 436     // Backplane placing
 437
 438     gMC->Gspos("BACK", 1, "SRIC ", -33.15, 1.276 + geometry->GetGapThickness()/2 + .5 + 2.1 + 2, 43.3, 0, "ONLY");
 439     gMC->Gspos("BACK", 2, "SRIC ", 33.15, 1.276 + geometry->GetGapThickness()/2 + .5 + 2.1 + 2 , 43.3, 0, "ONLY");
 440     gMC->Gspos("BACK", 3, "SRIC ", -33.15, 1.276 + geometry->GetGapThickness()/2 + .5 + 2.1 + 2, 0., 0, "ONLY");
 441     gMC->Gspos("BACK", 4, "SRIC ", 33.15, 1.276 + geometry->GetGapThickness()/2 + .5 + 2.1 + 2, 0., 0, "ONLY");
 442     gMC->Gspos("BACK", 5, "SRIC ", 33.15, 1.276 + geometry->GetGapThickness()/2 + .5 + 2.1 + 2, -43.3, 0, "ONLY");
 443     gMC->Gspos("BACK", 6, "SRIC ", -33.15, 1.276 + geometry->GetGapThickness()/2 + .5 + 2.1 + 2, -43.3, 0, "ONLY");
 444
 445     // PCB placing
 446
 447     gMC->Gspos("PCB ", 1, "SRIC ", 0.,  1.276 + geometry->GetGapThickness()/2 + .5 + 1.05, csi_width/4 + .5025 + 2.5, 0, "ONLY");
 448     gMC->Gspos("PCB ", 2, "SRIC ", 0.,  1.276 + geometry->GetGapThickness()/2 + .5 + 1.05, -csi_width/4 - .5025 - 2.5, 0, "ONLY");
 449
 450 // Place chambers into mother volume ALIC
 451
 452    Double_t dOffset        = geometry->GetOffset() - geometry->GetGapThickness()/2;  // distance from center of mother volume ALIC to methane
 453
 454    Double_t dAlpha         = geometry->GetAlphaAngle(); // angle between centers of chambers - y-z plane
 455    Double_t dAlphaRad      = dAlpha*kDegrad;
 456
 457    Double_t dBeta          = geometry->GetBetaAngle();   // angle between center of chambers - y-x plane
 458    Double_t dBetaRad       = dBeta*kDegrad;
 459
 460    Double_t dRotAngle      = geometry->GetRotationAngle();     // the whole RICH is to be rotated in x-y plane + means clockwise rotation
 461    Double_t dRotAngleRad   = dRotAngle*kDegrad;
 462
 463
 464    TRotMatrix *pRotMatrix; // tmp pointer
 465
 466    TVector3 vector(0,dOffset,0); // Position of chamber 2 without rotation
 467
 468 // Chamber 0  standalone (no other chambers in this row)
 469    pRotMatrix = new TRotMatrix("rot993","rot993", 0., 0., 0.,0.,0.,0.);
 470    const Double_t* r   = pRotMatrix->SetAngles(90., 0., 90.-dAlpha , 90.,  dAlpha, -90.);
 471    Double_t* rr  = RotateXY(r, -dRotAngleRad);
 472    AliMatrix(idrotm[1000], rr[0], rr[1], rr[2], rr[3], rr[4], rr[5]);
 473    pRotMatrix->SetAngles(rr[0], rr[1], rr[2], rr[3], rr[4], rr[5]);
 474
 475    vector.SetXYZ(0,dOffset,0);  vector.RotateX(dAlphaRad);
 476    vector.RotateZ(-dRotAngleRad);
 477
 478    gMC->Gspos("RICH",1,"ALIC",vector.X(),vector.Y(),vector.Z(),idrotm[1000], "ONLY");
 479    Chamber(0).SetChamberTransform(vector.X(),vector.Y(),vector.Z(),pRotMatrix);
 480   if(GetDebug()) Info("CreateGeometry 0","%8.3f %8.3f %8.3f %8.3f %8.3f %8.3f",rr[0],rr[1],rr[2],rr[3],rr[4],rr[5]);
 481   if(GetDebug()) Info("CreateGeometry 0","x=%8.3f y=%8.3f z=%8.3f",vector.X(),vector.Y(),vector.Z());
 482 // Chamber 1
 483    pRotMatrix = new TRotMatrix("rot994","rot994", 0., 0., 0.,0.,0.,0.);
 484    r   = pRotMatrix->SetAngles(90., -dBeta, 90., 90.-dBeta,  0., 0.);
 485    rr  = RotateXY(r, -dRotAngleRad);
 486    AliMatrix(idrotm[1001], rr[0], rr[1], rr[2], rr[3], rr[4], rr[5]);
 487    pRotMatrix->SetAngles(rr[0], rr[1], rr[2], rr[3], rr[4], rr[5]);
 488    vector.SetXYZ(0,dOffset,0);  vector.RotateZ(-dBetaRad);
 489    vector.RotateZ(-dRotAngleRad);
 490
 491    gMC->Gspos("RICH",2,"ALIC",vector.X(),vector.Y(),vector.Z(),idrotm[1001], "ONLY");
 492    Chamber(1).SetChamberTransform(vector.X(),vector.Y(),vector.Z(),pRotMatrix);
 493   if(GetDebug()) Info("CreateGeometry 1","%8.3f %8.3f %8.3f %8.3f %8.3f %8.3f",rr[0],rr[1],rr[2],rr[3],rr[4],rr[5]);
 494   if(GetDebug()) Info("CreateGeometry 1","x=%8.3f y=%8.3f z=%8.3f",vector.X(),vector.Y(),vector.Z());
 495 // Chamber 2   the top one with no Alpha-Beta rotation
 496    pRotMatrix = new TRotMatrix("rot995","rot995", 0., 0., 0.,0.,0.,0.);
 497    r   = pRotMatrix->SetAngles(90., 0., 90., 90.,  0., 0.);
 498    rr  = RotateXY(r, -dRotAngleRad);
 499    AliMatrix(idrotm[1002], rr[0], rr[1], rr[2], rr[3], rr[4], rr[5]);
 500    pRotMatrix->SetAngles(rr[0], rr[1], rr[2], rr[3], rr[4], rr[5]);
 501    vector.SetXYZ(0,dOffset,0);
 502    vector.RotateZ(-dRotAngleRad);
 503    gMC->Gspos("RICH",3,"ALIC",vector.X(),vector.Y(),vector.Z(),idrotm[1002], "ONLY");
 504    Chamber(2).SetChamberTransform(vector.X(),vector.Y(),vector.Z(),pRotMatrix);
 505   if(GetDebug()) Info("CreateGeometry 2","%8.3f %8.3f %8.3f %8.3f %8.3f %8.3f",rr[0],rr[1],rr[2],rr[3],rr[4],rr[5]);
 506   if(GetDebug()) Info("CreateGeometry 2","x=%8.3f y=%8.3f z=%8.3f",vector.X(),vector.Y(),vector.Z());
 507 // Chamber 3
 508    pRotMatrix = new TRotMatrix("rot996","rot996", 0., 0., 0.,0.,0.,0.);
 509    r   = pRotMatrix->SetAngles(90., dBeta, 90., 90.+dBeta,  0., 0.);
 510    rr  = RotateXY(r, -dRotAngleRad);
 511    AliMatrix(idrotm[1003], rr[0], rr[1], rr[2], rr[3], rr[4], rr[5]);
 512    pRotMatrix->SetAngles(rr[0], rr[1], rr[2], rr[3], rr[4], rr[5]);
 513    vector.SetXYZ(0,dOffset,0);  vector.RotateZ(dBetaRad);
 514    vector.RotateZ(-dRotAngleRad);
 515
 516    gMC->Gspos("RICH",4,"ALIC",vector.X(),vector.Y(),vector.Z(),idrotm[1003], "ONLY");
 517    Chamber(3).SetChamberTransform(vector.X(),vector.Y(),vector.Z(),pRotMatrix);
 518   if(GetDebug()) Info("CreateGeometry 3","%8.3f %8.3f %8.3f %8.3f %8.3f %8.3f",rr[0],rr[1],rr[2],rr[3],rr[4],rr[5]);
 519   if(GetDebug()) Info("CreateGeometry 3","x=%8.3f y=%8.3f z=%8.3f",vector.X(),vector.Y(),vector.Z());
 520 // Chamber 4
 521    pRotMatrix = new TRotMatrix("rot997","rot997", 0., 0., 0.,0.,0.,0.);
 522    r   = pRotMatrix->SetAngles(90., 360.-dBeta, 108.2, 90.-dBeta,  18.2, 90.-dBeta);
 523    rr  = RotateXY(r, -dRotAngleRad);
 524    AliMatrix(idrotm[1004], rr[0], rr[1], rr[2], rr[3], rr[4], rr[5]);
 525    pRotMatrix->SetAngles(rr[0], rr[1], rr[2], rr[3], rr[4], rr[5]);
 526    vector.SetXYZ(0,dOffset,0);  vector.RotateZ(-dBetaRad); vector.RotateX(-dAlphaRad);
 527    vector.RotateZ(-dRotAngleRad);
 528
 529    gMC->Gspos("RICH",5,"ALIC",vector.X(),vector.Y(),vector.Z(),idrotm[1004], "ONLY");
 530    Chamber(4).SetChamberTransform(vector.X(),vector.Y(),vector.Z(),pRotMatrix);
 531   if(GetDebug()) Info("CreateGeometry 4","%8.3f %8.3f %8.3f %8.3f %8.3f %8.3f",rr[0],rr[1],rr[2],rr[3],rr[4],rr[5]);
 532   if(GetDebug()) Info("CreateGeometry 4","x=%8.3f y=%8.3f z=%8.3f",vector.X(),vector.Y(),vector.Z());
 533 // Chamber 5
 534    pRotMatrix = new TRotMatrix("rot998","rot998", 0., 0., 0.,0.,0.,0.);
 535    r   = pRotMatrix->SetAngles(90., 0., 90.+dAlpha, 90.,  dAlpha, 90.);
 536    rr  = RotateXY(r, -dRotAngleRad);
 537    AliMatrix(idrotm[1005], rr[0], rr[1], rr[2], rr[3], rr[4], rr[5]);
 538    pRotMatrix->SetAngles(rr[0], rr[1], rr[2], rr[3], rr[4], rr[5]);
 539    vector.SetXYZ(0,dOffset,0); vector.RotateX(-dAlphaRad);
 540    vector.RotateZ(-dRotAngleRad);
 541
 542    gMC->Gspos("RICH",6,"ALIC",vector.X(),vector.Y(),vector.Z(),idrotm[1005], "ONLY");
 543    Chamber(5).SetChamberTransform(vector.X(),vector.Y(),vector.Z(),pRotMatrix);
 544   if(GetDebug()) Info("CreateGeometry 5","%8.3f %8.3f %8.3f %8.3f %8.3f %8.3f",rr[0],rr[1],rr[2],rr[3],rr[4],rr[5]);
 545   if(GetDebug()) Info("CreateGeometry 5","x=%8.3f y=%8.3f z=%8.3f",vector.X(),vector.Y(),vector.Z());
 546 // Chamber 6
 547    pRotMatrix = new TRotMatrix("rot999","rot999", 0., 0., 0.,0.,0.,0.);
 548    r   = pRotMatrix->SetAngles(90., dBeta, 108.2, 90.+dBeta,  18.2, 90.+dBeta);
 549    rr  = RotateXY(r, -dRotAngleRad);
 550    AliMatrix(idrotm[1006], rr[0], rr[1], rr[2], rr[3], rr[4], rr[5]);
 551    pRotMatrix->SetAngles(rr[0], rr[1], rr[2], rr[3], rr[4], rr[5]);
 552    vector.SetXYZ(0,dOffset,0);  vector.RotateZ(dBetaRad); vector.RotateX(-dAlphaRad);
 553    vector.RotateZ(-dRotAngleRad);
 554
 555    gMC->Gspos("RICH",7,"ALIC",vector.X(),vector.Y(),vector.Z(),idrotm[1006], "ONLY");
 556    Chamber(6).SetChamberTransform(vector.X(),vector.Y(),vector.Z(),pRotMatrix);
 557   if(GetDebug()) Info("CreateGeometry 6","%8.3f %8.3f %8.3f %8.3f %8.3f %8.3f",rr[0],rr[1],rr[2],rr[3],rr[4],rr[5]);
 558   if(GetDebug()) Info("CreateGeometry 6","x=%8.3f y=%8.3f z=%8.3f",vector.X(),vector.Y(),vector.Z());
 559
 560 }//void AliRICHv3::CreateGeometry()
 561 //______________________________________________________________________________
 562 void AliRICHv3::Init()
 563 {//Makes nothing for a while
 564   if(GetDebug())Info("Init","Start.");
 565   if(GetDebug())Info("Init","Stop.");
 566 }
 567 //______________________________________________________________________________
 568 Double_t* AliRICHv3::RotateXY(const Double_t* r, Double_t a)
 569 {
 570     // Rotatation in xy-plane
 571     // by angle a
 572     // The resulting rotation matrix is given back in the G3 notation.
 573     Double_t* rr = new Double_t[6];
 574     Double_t m[9];
 575     Int_t i,j,k;
 576
 577     for (i = 0; i < 3; i++) {
 578         j = 3*i;
 579         m[j]   = r[j] * TMath::Cos(a) - r[j+1] * TMath::Sin(a);
 580         m[j+1] = r[j] * TMath::Sin(a) + r[j+1] * TMath::Cos(a);
 581         m[j+2] = r[j+2];
 582     }
 583
 584     for (i = 0; i < 3; i++) {
 585             j = 3*i;
 586             k = 2*i;
 587             rr[k]    = TMath::ACos(m[j+2])        * kRaddeg;
 588             rr[k+1]  = TMath::ATan2(m[j+1], m[j]) * kRaddeg;
 589     }
 590     return rr;
 591 }//Double_t* AliRICHv3::RotateXY(const Double_t* r, Double_t a)
 592 //______________________________________________________________________________
 593 void AliRICHv3::StepManager()
 594 {//Full Step Manager
 595
 596     Int_t          copy, id;
 597     static Int_t   idvol;
 598     static Int_t   vol[2];
 599     Int_t          ipart;
 600     static Float_t hits[22];
 601     static Float_t ckovData[19];
 602     TLorentzVector position;
 603     TLorentzVector momentum;
 604     Float_t        pos[3];
 605     Float_t        mom[4];
 606     Float_t        localPos[3];
 607     Float_t        localMom[4];
 608     Float_t        localTheta,localPhi;
 609     Float_t        theta,phi;
 610     Float_t        destep, step;
 611     Double_t        ranf[2];
 612     Float_t        coscerenkov;
 613     static Float_t eloss, xhit, yhit, tlength;
 614     const  Float_t kBig=1.e10;
 615
 616     TClonesArray &lhits = *fHits;
 617     TParticle *current = (TParticle*)(*gAlice->Particles())[gAlice->GetCurrentTrackNumber()];
 618
 619  //if (current->Energy()>1)
 620    //{
 621
 622     // Only gas gap inside chamber
 623     // Tag chambers and record hits when track enters
 624
 625
 626     id=gMC->CurrentVolID(copy);
 627     idvol = copy-1;
 628     Float_t cherenkovLoss=0;
 629     //gAlice->KeepTrack(gAlice->GetCurrentTrackNumber());
 630
 631     gMC->TrackPosition(position);
 632     pos[0]=position(0);
 633     pos[1]=position(1);
 634     pos[2]=position(2);
 635     //bzero((char *)ckovData,sizeof(ckovData)*19);
 636     ckovData[1] = pos[0];                 // X-position for hit
 637     ckovData[2] = pos[1];                 // Y-position for hit
 638     ckovData[3] = pos[2];                 // Z-position for hit
 639     ckovData[6] = 0;                      // dummy track length
 640     //ckovData[11] = gAlice->GetCurrentTrackNumber();
 641
 642     //printf("\n+++++++++++\nTrack: %d\n++++++++++++\n",gAlice->GetCurrentTrackNumber());
 643
 644     //AliRICH *RICH = (AliRICH *) gAlice->GetDetector("RICH");
 645
 646     /********************Store production parameters for Cerenkov photons************************/
 647 //is it a Cerenkov photon?
 648     if (gMC->TrackPid() == 50000050) {
 649
 650       //if (gMC->VolId("GAP ")==gMC->CurrentVolID(copy))
 651         //{
 652           Float_t ckovEnergy = current->Energy();
 653           //energy interval for tracking
 654           if  (ckovEnergy > 5.6e-09 && ckovEnergy < 7.8e-09 )
 655             //if (ckovEnergy > 0)
 656             {
 657               if (gMC->IsTrackEntering()){        //is track entering?
 658                 //printf("Track entered (1)\n");
 659                 if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy))
 660                   {                                                          //is it in freo?
 661                     if (gMC->IsNewTrack()){                          //is it the first step?
 662                       //printf("I'm in!\n");
 663                       Int_t mother = current->GetFirstMother();
 664
 665                       //printf("Second Mother:%d\n",current->GetSecondMother());
 666
 667                       ckovData[10] = mother;
 668                       ckovData[11] = gAlice->GetCurrentTrackNumber();
 669                       ckovData[12] = 1;             //Media where photon was produced 1->Freon, 2->Quarz
 670                       //printf("Produced in FREO\n");
 671                       fCkovNumber++;
 672                       fFreonProd=1;
 673                       //printf("Index: %d\n",fCkovNumber);
 674                     }    //first step question
 675                   }        //freo question
 676
 677                 if (gMC->IsNewTrack()){                                  //is it first step?
 678                   if (gMC->VolId("QUAR")==gMC->CurrentVolID(copy))             //is it in quarz?
 679                     {
 680                       ckovData[12] = 2;
 681                       //printf("Produced in QUAR\n");
 682                     }    //quarz question
 683                 }        //first step question
 684
 685                 //printf("Before %d\n",fFreonProd);
 686               }   //track entering question
 687
 688               if (ckovData[12] == 1)                                        //was it produced in Freon?
 689                 //if (fFreonProd == 1)
 690                 {
 691                   if (gMC->IsTrackEntering()){                                     //is track entering?
 692                     //printf("Track entered (2)\n");
 693                     //printf("Current volume (should be META): %s\n",gMC->CurrentVolName());
 694                     //printf("VolId: %d, CurrentVolID: %d\n",gMC->VolId("META"),gMC->CurrentVolID(copy));
 695                     if (gMC->VolId("META")==gMC->CurrentVolID(copy))                //is it in gap?
 696                       {
 697                         //printf("Got in META\n");
 698                         gMC->TrackMomentum(momentum);
 699                         mom[0]=momentum(0);
 700                         mom[1]=momentum(1);
 701                         mom[2]=momentum(2);
 702                         mom[3]=momentum(3);
 703
 704                         gMC->Gmtod(mom,localMom,2);
 705                         Float_t cophi = TMath::Cos(TMath::ATan2(localMom[0], localMom[1]));
 706                         Float_t t = (1. - .025 / cophi) * (1. - .05 /  cophi);
 707                         /**************** Photons lost in second grid have to be calculated by hand************/
 708                         gMC->GetRandom()->RndmArray(1,ranf);
 709                         if (ranf[0] > t) {
 710                           gMC->StopTrack();
 711                           ckovData[13] = 5;
 712                           AddCerenkov(gAlice->GetCurrentTrackNumber(),vol,ckovData);
 713                           //printf("Added One (1)!\n");
 714                           //printf("Lost one in grid\n");
 715                         }
 716                         /**********************************************************************************/
 717                       }    //gap
 718
 719                     //printf("Current volume (should be CSI) (1): %s\n",gMC->CurrentVolName());
 720                     //printf("VolId: %d, CurrentVolID: %d\n",gMC->VolId("CSI "),gMC->CurrentVolID(copy));
 721                     if (gMC->VolId("CSI ")==gMC->CurrentVolID(copy))             //is it in csi?
 722                       {
 723                         //printf("Got in CSI\n");
 724                         gMC->TrackMomentum(momentum);
 725                         mom[0]=momentum(0);
 726                         mom[1]=momentum(1);
 727                         mom[2]=momentum(2);
 728                         mom[3]=momentum(3);
 729
 730                         gMC->Gmtod(mom,localMom,2);
 731                         /********* Photons lost by Fresnel reflection have to be calculated by hand********/
 732                         /***********************Cerenkov phtons (always polarised)*************************/
 733                         Double_t localTc = localMom[0]*localMom[0]+localMom[2]*localMom[2];
 734                         Double_t localRt = TMath::Sqrt(localTc);
 735                         localTheta   = Float_t(TMath::ATan2(localRt,Double_t(localMom[1])));
 736                         Double_t cotheta = TMath::Abs(cos(localTheta));
 737                         Float_t t = Fresnel(ckovEnergy*1e9,cotheta,1);
 738                             gMC->GetRandom()->RndmArray(1,ranf);
 739                             if (ranf[0] < t) {
 740                               gMC->StopTrack();
 741                               ckovData[13] = 6;
 742                               AddCerenkov(gAlice->GetCurrentTrackNumber(),vol,ckovData);
 743
 744                               //printf("Added One (2)!\n");
 745                               //printf("Lost by Fresnel\n");
 746                             }
 747                             /**********************************************************************************/
 748                       }
 749                   } //track entering?
 750
 751
 752                   /********************Evaluation of losses************************/
 753                   /******************still in the old fashion**********************/
 754
 755                   TArrayI procs;
 756                   Int_t i1 = gMC->StepProcesses(procs);            //number of physics mechanisms acting on the particle
 757                   for (Int_t i = 0; i < i1; ++i) {
 758                     //        Reflection loss
 759                     if (procs[i] == kPLightReflection) {        //was it reflected
 760                       ckovData[13]=10;
 761                       if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy))
 762                         ckovData[13]=1;
 763                       if (gMC->CurrentVolID(copy) == gMC->VolId("QUAR"))
 764                         ckovData[13]=2;
 765                       //gMC->StopTrack();
 766                       //AddCerenkov(gAlice->GetCurrentTrackNumber(),vol,ckovData);
 767                     } //reflection question
 768
 769                     //        Absorption loss
 770                     else if (procs[i] == kPLightAbsorption) {              //was it absorbed?
 771                       //printf("Got in absorption\n");
 772                       ckovData[13]=20;
 773                       if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy))
 774                         ckovData[13]=11;
 775                       if (gMC->CurrentVolID(copy) == gMC->VolId("QUAR"))
 776                         ckovData[13]=12;
 777                       if (gMC->CurrentVolID(copy) == gMC->VolId("META"))
 778                         ckovData[13]=13;
 779                       if (gMC->CurrentVolID(copy) == gMC->VolId("GAP "))
 780                         ckovData[13]=13;
 781
 782                       if (gMC->CurrentVolID(copy) == gMC->VolId("SRIC"))
 783                         ckovData[13]=15;
 784
 785                       //        CsI inefficiency
 786                       if (gMC->CurrentVolID(copy) == gMC->VolId("CSI ")) {
 787                         ckovData[13]=16;
 788                       }
 789                       gMC->StopTrack();
 790                       AddCerenkov(gAlice->GetCurrentTrackNumber(),vol,ckovData);
 791                       //printf("Added One (3)!\n");
 792                       //printf("Added cerenkov %d\n",fCkovNumber);
 793                     } //absorption question
 794
 795
 796                     //        Photon goes out of tracking scope
 797                     else if (procs[i] == kPStop) {                 //is it below energy treshold?
 798                       ckovData[13]=21;
 799                       gMC->StopTrack();
 800                       AddCerenkov(gAlice->GetCurrentTrackNumber(),vol,ckovData);
 801                       //printf("Added One (4)!\n");
 802                     }   // energy treshold question
 803                   }  //number of mechanisms cycle
 804                   /**********************End of evaluation************************/
 805                 } //freon production question
 806             } //energy interval question
 807         //}//inside the proximity gap question
 808     } //cerenkov photon question
 809
 810     /**************************************End of Production Parameters Storing*********************/
 811
 812
 813     /*******************************Treat photons that hit the CsI (Ckovs and Feedbacks)************/
 814
 815     if (gMC->TrackPid() == 50000050 || gMC->TrackPid() == 50000051) {
 816       //printf("Cerenkov\n");
 817
 818       //if (gMC->TrackPid() == 50000051)
 819         //printf("Tracking a feedback\n");
 820
 821       if (gMC->VolId("CSI ")==gMC->CurrentVolID(copy))
 822         {
 823           //printf("Current volume (should be CSI) (2): %s\n",gMC->CurrentVolName());
 824           //printf("VolId: %d, CurrentVolID: %d\n",gMC->VolId("CSI "),gMC->CurrentVolID(copy));
 825           //printf("Got in CSI\n");
 826           //printf("Tracking a %d\n",gMC->TrackPid());
 827           if (gMC->Edep() > 0.){
 828                 gMC->TrackPosition(position);
 829                 gMC->TrackMomentum(momentum);
 830                 pos[0]=position(0);
 831                 pos[1]=position(1);
 832                 pos[2]=position(2);
 833                 mom[0]=momentum(0);
 834                 mom[1]=momentum(1);
 835                 mom[2]=momentum(2);
 836                 mom[3]=momentum(3);
 837                 Double_t tc = mom[0]*mom[0]+mom[1]*mom[1];
 838                 Double_t rt = TMath::Sqrt(tc);
 839                 theta   = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg;
 840                 phi     = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
 841
 842                 gMC->CurrentVolOffID(2,copy);
 843                 vol[0]=copy;
 844                 idvol=vol[0]-1;
 845
 846
 847                 gMC->Gmtod(pos,localPos,1);
 848
 849                 //Chamber(idvol).GlobaltoLocal(pos,localPos);
 850
 851                 gMC->Gmtod(mom,localMom,2);
 852
 853                 //Chamber(idvol).GlobaltoLocal(mom,localMom);
 854
 855                 gMC->CurrentVolOffID(2,copy);
 856                 vol[0]=copy;
 857                 idvol=vol[0]-1;
 858
 859                 //Int_t sector=((AliRICHChamber*) (*fChambers)[idvol])
 860                         //->Sector(localPos[0], localPos[2]);
 861                 //printf("Sector:%d\n",sector);
 862
 863                 /*if (gMC->TrackPid() == 50000051){
 864                   fFeedbacks++;
 865                   printf("Feedbacks:%d\n",fFeedbacks);
 866                 }*/
 867
 868         //PH            ((AliRICHChamber*) (*fChambers)[idvol])
 869                 ((AliRICHChamber*)fChambers->At(idvol))
 870                     ->SigGenInit(localPos[0], localPos[2], localPos[1]);
 871                 if(idvol<kNCH) {
 872                     ckovData[0] = gMC->TrackPid();        // particle type
 873                     ckovData[1] = pos[0];                 // X-position for hit
 874                     ckovData[2] = pos[1];                 // Y-position for hit
 875                     ckovData[3] = pos[2];                 // Z-position for hit
 876                     ckovData[4] = theta;                      // theta angle of incidence
 877                     ckovData[5] = phi;                      // phi angle of incidence
 878                     ckovData[8] = (Float_t) fNsdigits;      // first sdigit
 879                     ckovData[9] = -1;                       // last pad hit
 880                     ckovData[13] = 4;                       // photon was detected
 881                     ckovData[14] = mom[0];
 882                     ckovData[15] = mom[1];
 883                     ckovData[16] = mom[2];
 884
 885                     destep = gMC->Edep();
 886                     gMC->SetMaxStep(kBig);
 887                     cherenkovLoss  += destep;
 888                     ckovData[7]=cherenkovLoss;
 889
 890                     ckovData[17] = Hits2SDigits(localPos[0],localPos[2],cherenkovLoss,idvol,kPhoton);//for photons in CsI
 891
 892                     if (fNsdigits > (Int_t)ckovData[8]) {
 893                         ckovData[8]= ckovData[8]+1;
 894                         ckovData[9]= (Float_t) fNsdigits;
 895                     }
 896
 897
 898                     //TClonesArray *Hits = RICH->Hits();
 899                     AliRICHhit *mipHit =  (AliRICHhit*) (fHits->UncheckedAt(0));
 900                     if (mipHit)
 901                       {
 902                         mom[0] = current->Px();
 903                         mom[1] = current->Py();
 904                         mom[2] = current->Pz();
 905                         Float_t mipPx = mipHit->MomX();
 906                         Float_t mipPy = mipHit->MomY();
 907                         Float_t mipPz = mipHit->MomZ();
 908
 909                         Float_t r = mom[0]*mom[0] + mom[1]*mom[1] + mom[2]*mom[2];
 910                         Float_t rt = TMath::Sqrt(r);
 911                         Float_t mipR = mipPx*mipPx + mipPy*mipPy + mipPz*mipPz;
 912                         Float_t mipRt = TMath::Sqrt(mipR);
 913                         if ((rt*mipRt) > 0)
 914                           {
 915                             coscerenkov = (mom[0]*mipPx + mom[1]*mipPy + mom[2]*mipPz)/(rt*mipRt);
 916                           }
 917                         else
 918                           {
 919                             coscerenkov = 0;
 920                           }
 921                         Float_t cherenkov = TMath::ACos(coscerenkov);
 922                         ckovData[18]=cherenkov;
 923                       }
 924                     //if (sector != -1)
 925                     //{
 926                     AddHit(gAlice->GetCurrentTrackNumber(),vol,ckovData);
 927                     AddCerenkov(gAlice->GetCurrentTrackNumber(),vol,ckovData);
 928                     //printf("Added One (5)!\n");
 929                     //}
 930                 }
 931             }
 932         }
 933     }
 934
 935     /***********************************************End of photon hits*********************************************/
 936
 937
 938     /**********************************************Charged particles treatment*************************************/
 939
 940     else if (gMC->TrackCharge()){
 941 //If MIP
 942         /*if (gMC->IsTrackEntering())
 943           {
 944             hits[13]=20;//is track entering?
 945           }*/
 946         if (gMC->VolId("FRE1")==gMC->CurrentVolID(copy) || gMC->VolId("FRE2")==gMC->CurrentVolID(copy))
 947           {
 948             gMC->TrackMomentum(momentum);
 949             mom[0]=momentum(0);
 950             mom[1]=momentum(1);
 951             mom[2]=momentum(2);
 952             mom[3]=momentum(3);
 953             hits [19] = mom[0];
 954             hits [20] = mom[1];
 955             hits [21] = mom[2];
 956             fFreonProd=1;
 957           }
 958
 959         if (gMC->VolId("GAP ")== gMC->CurrentVolID(copy)) {//is in GAP?
 960 // Get current particle id (ipart), track position (pos)  and momentum (mom)
 961
 962             gMC->CurrentVolOffID(3,copy);
 963             vol[0]=copy;
 964             idvol=vol[0]-1;
 965
 966             //Int_t sector=((AliRICHChamber*) (*fChambers)[idvol])
 967                         //->Sector(localPos[0], localPos[2]);
 968             //printf("Sector:%d\n",sector);
 969
 970             gMC->TrackPosition(position);
 971             gMC->TrackMomentum(momentum);
 972             pos[0]=position(0);
 973             pos[1]=position(1);
 974             pos[2]=position(2);
 975             mom[0]=momentum(0);
 976             mom[1]=momentum(1);
 977             mom[2]=momentum(2);
 978             mom[3]=momentum(3);
 979
 980             gMC->Gmtod(pos,localPos,1);
 981
 982             //Chamber(idvol).GlobaltoLocal(pos,localPos);
 983
 984             gMC->Gmtod(mom,localMom,2);
 985
 986             //Chamber(idvol).GlobaltoLocal(mom,localMom);
 987
 988             ipart  = gMC->TrackPid();
 989             //
 990             // momentum loss and steplength in last step
 991             destep = gMC->Edep();
 992             step   = gMC->TrackStep();
 993
 994             //
 995             // record hits when track enters ...
 996             if( gMC->IsTrackEntering()) {
 997 //              gMC->SetMaxStep(fMaxStepGas);
 998                 Double_t tc = mom[0]*mom[0]+mom[1]*mom[1];
 999                 Double_t rt = TMath::Sqrt(tc);
1000                 theta   = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg;
1001                 phi     = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
1002
1003
1004                 Double_t localTc = localMom[0]*localMom[0]+localMom[2]*localMom[2];
1005                 Double_t localRt = TMath::Sqrt(localTc);
1006                 localTheta   = Float_t(TMath::ATan2(localRt,Double_t(localMom[1])))*kRaddeg;
1007                 localPhi     = Float_t(TMath::ATan2(Double_t(localMom[2]),Double_t(localMom[0])))*kRaddeg;
1008
1009                 hits[0] = Float_t(ipart);         // particle type
1010                 hits[1] = localPos[0];                 // X-position for hit
1011                 hits[2] = localPos[1];                 // Y-position for hit
1012                 hits[3] = localPos[2];                 // Z-position for hit
1013                 hits[4] = localTheta;                  // theta angle of incidence
1014                 hits[5] = localPhi;                    // phi angle of incidence
1015                 hits[8] = (Float_t) fNsdigits;    // first sdigit
1016                 hits[9] = -1;                     // last pad hit
1017                 hits[13] = fFreonProd;           // did id hit the freon?
1018                 hits[14] = mom[0];
1019                 hits[15] = mom[1];
1020                 hits[16] = mom[2];
1021                 hits[18] = 0;               // dummy cerenkov angle
1022
1023                 tlength = 0;
1024                 eloss   = 0;
1025                 fFreonProd = 0;
1026
1027                 Chamber(idvol).LocaltoGlobal(localPos,hits+1);
1028
1029
1030                 //To make chamber coordinates x-y had to pass localPos[0], localPos[2]
1031                 xhit    = localPos[0];
1032                 yhit    = localPos[2];
1033                 // Only if not trigger chamber
1034                 if(idvol<kNCH) {
1035                     //
1036                     //  Initialize hit position (cursor) in the segmentation model
1037           //PH              ((AliRICHChamber*) (*fChambers)[idvol])
1038                     ((AliRICHChamber*)fChambers->At(idvol))
1039                         ->SigGenInit(localPos[0], localPos[2], localPos[1]);
1040                 }
1041             }
1042
1043             //
1044             // Calculate the charge induced on a pad (disintegration) in case
1045             //
1046             // Mip left chamber ...
1047             if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){
1048                 gMC->SetMaxStep(kBig);
1049                 eloss   += destep;
1050                 tlength += step;
1051
1052
1053                 // Only if not trigger chamber
1054                 if(idvol<kNCH) {
1055                   if (eloss > 0)
1056                     {
1057                       if(gMC->TrackPid() == kNeutron)
1058                         printf("\n\n\n\n\n Neutron Making Pad Hit!!! \n\n\n\n");
1059                       hits[17] = Hits2SDigits(xhit,yhit,eloss,idvol,kMip); //for MIP
1060                     }
1061                 }
1062
1063                 hits[6]=tlength;
1064                 hits[7]=eloss;
1065                 if (fNsdigits > (Int_t)hits[8]) {
1066                     hits[8]= hits[8]+1;
1067                     hits[9]= (Float_t) fNsdigits;
1068                 }
1069
1070                 //if(sector !=-1)
1071                 new(lhits[fNhits++]) AliRICHhit(fIshunt,gAlice->GetCurrentTrackNumber(),vol,hits);
1072                 eloss = 0;
1073                 //
1074                 // Check additional signal generation conditions
1075                 // defined by the segmentation
1076                 // model (boundary crossing conditions)
1077             }else if(((AliRICHChamber*)fChambers->At(idvol))->SigGenCond(localPos[0], localPos[2], localPos[1])){
1078                 ((AliRICHChamber*)fChambers->At(idvol))->SigGenInit(localPos[0], localPos[2], localPos[1]);
1079                 if (eloss > 0)
1080                   {
1081                     if(gMC->TrackPid() == kNeutron)
1082                       printf("\n\n\n\n\n Neutron Making Pad Hit!!! \n\n\n\n");
1083                     hits[17] = Hits2SDigits(xhit,yhit,eloss,idvol,kMip);//for n
1084                   }
1085                 xhit     = localPos[0];
1086                 yhit     = localPos[2];
1087                 eloss    = destep;
1088                 tlength += step ;
1089                 //
1090                 // nothing special  happened, add up energy loss
1091             } else {
1092                 eloss   += destep;
1093                 tlength += step ;
1094             }
1095         }//is in GAP?
1096       }//is MIP?
1097     /*************************************************End of MIP treatment**************************************/
1098 }//void AliRICHv3::StepManager()
1099 //__________________________________________________________________________________________________
1100 Int_t AliRICHv3::Hits2SDigits(Float_t xhit,Float_t yhit,Float_t eloss, Int_t idvol, ResponseType res)
1101 {//calls the charge disintegration method of the current chamber and adds all generated sdigits to the list of digits
1102
1103    Float_t newclust[4][500];
1104    Int_t clhits[5];
1105    Int_t iNdigits;
1106    clhits[0]=fNhits+1;
1107
1108   ((AliRICHChamber*)fChambers->At(idvol))->DisIntegration(eloss, xhit, yhit, iNdigits,newclust, res);
1109
1110   for (Int_t i=0; i<iNdigits; i++) {
1111     if (Int_t(newclust[0][i]) > 0) {
1112             clhits[1] = Int_t(newclust[0][i]);//  Cluster Charge
1113             clhits[2] = Int_t(newclust[1][i]);//  Pad: ix
1114             clhits[3] = Int_t(newclust[2][i]);//  Pad: iy
1115             clhits[4] = Int_t(newclust[3][i]);//  Pad: chamber sector
1116             AddSpecialOld(clhits);
1117         }
1118     }
1119   return iNdigits;
1120 }//Int_t AliRICHv3::Hits2SDigits(Float_t xhit,Float_t yhit,Float_t eloss, Int_t idvol, ResponseType res)
1121 //__________________________________________________________________________________________________
1122 void AliRICHv3::DiagnosticsFE(Int_t evNumber1,Int_t evNumber2)
1123 {
1124
1125   Int_t NpadX = 162;                 // number of pads on X
1126   Int_t NpadY = 162;                 // number of pads on Y
1127
1128   Int_t Pad[162][162];
1129   for (Int_t i=0;i<NpadX;i++) {
1130     for (Int_t j=0;j<NpadY;j++) {
1131       Pad[i][j]=0;
1132     }
1133   }
1134
1135   //  Create some histograms
1136
1137   TH1F *pionspectra1 = new TH1F("pionspectra1","Pion Spectra",200,-4,2);
1138   TH1F *pionspectra2 = new TH1F("pionspectra2","Pion Spectra",200,-4,2);
1139   TH1F *pionspectra3 = new TH1F("pionspectra3","Pion Spectra",200,-4,2);
1140   TH1F *protonspectra1 = new TH1F("protonspectra1","Proton Spectra",200,-4,2);
1141   TH1F *protonspectra2 = new TH1F("protonspectra2","Proton Spectra",200,-4,2);
1142   TH1F *protonspectra3 = new TH1F("protonspectra3","Proton Spectra",200,-4,2);
1143   TH1F *kaonspectra1 = new TH1F("kaonspectra1","Kaon Spectra",100,-4,2);
1144   TH1F *kaonspectra2 = new TH1F("kaonspectra2","Kaon Spectra",100,-4,2);
1145   TH1F *kaonspectra3 = new TH1F("kaonspectra3","Kaon Spectra",100,-4,2);
1146   TH1F *electronspectra1 = new TH1F("electronspectra1","Electron Spectra",100,-4,2);
1147   TH1F *electronspectra2 = new TH1F("electronspectra2","Electron Spectra",100,-4,2);
1148   TH1F *electronspectra3 = new TH1F("electronspectra3","Electron Spectra",100,-4,2);
1149   TH1F *muonspectra1 = new TH1F("muonspectra1","Muon Spectra",100,-4,2);
1150   TH1F *muonspectra2 = new TH1F("muonspectra2","Muon Spectra",100,-4,2);
1151   TH1F *muonspectra3 = new TH1F("muonspectra3","Muon Spectra",100,-4,2);
1152   TH1F *neutronspectra1 = new TH1F("neutronspectra1","Neutron Spectra",100,-4,2);
1153   TH1F *neutronspectra2 = new TH1F("neutronspectra2","Neutron Spectra",100,-4,2);
1154   TH1F *neutronspectra3 = new TH1F("neutronspectra2","Neutron Spectra",100,-4,2);
1155   TH1F *chargedspectra1 = new TH1F("chargedspectra1","Charged particles above 1 GeV Spectra",100,-1,3);
1156   TH1F *chargedspectra2 = new TH1F("chargedspectra2","Charged particles above 1 GeV Spectra",100,-1,3);
1157   TH1F *chargedspectra3 = new TH1F("chargedspectra2","Charged particles above 1 GeV Spectra",100,-1,3);
1158   TH1F *pionptspectrafinal = new TH1F("pionptspectrafinal","Primary Pions Transverse Momenta at HMPID",20,0,5);
1159   TH1F *pionptspectravertex = new TH1F("pionptspectravertex","Primary Pions Transverse Momenta at vertex",20,0,5);
1160   TH1F *kaonptspectrafinal = new TH1F("kaonptspectrafinal","Primary Kaons Transverse Momenta at HMPID",20,0,5);
1161   TH1F *kaonptspectravertex = new TH1F("kaonptspectravertex","Primary Kaons Transverse Momenta at vertex",20,0,5);
1162   //TH1F *hitsPhi = new TH1F("hitsPhi","Distribution of phi angle of incidence",100,-180,180);
1163   TH1F *hitsTheta = new TH1F("hitsTheta","Distribution of Theta angle of incidence, all tracks",100,0,50);
1164   TH1F *hitsTheta500MeV = new TH1F("hitsTheta500MeV","Distribution of Theta angle of incidence, 0.5-1 GeV primary tracks",100,0,50);
1165   TH1F *hitsTheta1GeV = new TH1F("hitsTheta1GeV","Distribution of Theta angle of incidence, 1-2 GeV primary tracks",100,0,50);
1166   TH1F *hitsTheta2GeV = new TH1F("hitsTheta2GeV","Distribution of Theta angle of incidence, 2-3 GeV primary tracks",100,0,50);
1167   TH1F *hitsTheta3GeV = new TH1F("hitsTheta3GeV","Distribution of Theta angle of incidence, >3 GeV primary tracks",100,0,50);
1168   TH2F *production = new TH2F("production","Mother production vertices",100,-300,300,100,0,600);
1169
1170
1171
1172
1173 //   Start loop over events
1174
1175   Int_t pion=0, kaon=0, proton=0, electron=0, positron=0, neutron=0, highneutrons=0, muon=0;
1176   Int_t chargedpions=0,primarypions=0,highprimarypions=0,chargedkaons=0,primarykaons=0,highprimarykaons=0;
1177   Int_t photons=0, primaryphotons=0, highprimaryphotons=0;
1178   TRandom* random=0;
1179
1180    for (int nev=0; nev<= evNumber2; nev++) {
1181        Int_t nparticles = gAlice->GetEvent(nev);
1182
1183
1184        if (nev < evNumber1) continue;
1185        if (nparticles <= 0) return;
1186
1187 // Get pointers to RICH detector and Hits containers
1188
1189        AliRICH *pRICH = (AliRICH *) gAlice->GetDetector("RICH");
1190
1191        TTree *treeH = TreeH();
1192        Int_t ntracks =(Int_t) treeH->GetEntries();
1193
1194 // Start loop on tracks in the hits containers
1195
1196        for (Int_t track=0; track<ntracks;track++) {
1197            printf ("Processing Track: %d\n",track);
1198            gAlice->ResetHits();
1199            treeH->GetEvent(track);
1200
1201            for(AliRICHhit* mHit=(AliRICHhit*)pRICH->FirstHit(-1);
1202                mHit;
1203                mHit=(AliRICHhit*)pRICH->NextHit())
1204              {
1205                //Int_t nch  = mHit->fChamber;              // chamber number
1206                //Float_t x  = mHit->X();                    // x-pos of hit
1207                //Float_t y  = mHit->Z();                    // y-pos
1208                //Float_t z  = mHit->Y();
1209                //Float_t phi = mHit->Phi();                 //Phi angle of incidence
1210                Float_t theta = mHit->Theta();             //Theta angle of incidence
1211                Float_t px = mHit->MomX();
1212                Float_t py = mHit->MomY();
1213                Int_t index = mHit->Track();
1214                Int_t particle = (Int_t)(mHit->Particle());
1215                Float_t R;
1216                Float_t PTfinal;
1217                Float_t PTvertex;
1218
1219               TParticle *current = gAlice->Particle(index);
1220
1221               //Float_t energy=current->Energy();
1222
1223               R=TMath::Sqrt(current->Vx()*current->Vx() + current->Vy()*current->Vy());
1224               PTfinal=TMath::Sqrt(px*px + py*py);
1225               PTvertex=TMath::Sqrt(current->Px()*current->Px() + current->Py()*current->Py());
1226
1227
1228
1229               if (TMath::Abs(particle) < 10000000)
1230                 {
1231                   hitsTheta->Fill(theta,(float) 1);
1232                   if (R<5)
1233                     {
1234                       if (PTvertex>.5 && PTvertex<=1)
1235                         {
1236                           hitsTheta500MeV->Fill(theta,(float) 1);
1237                         }
1238                       if (PTvertex>1 && PTvertex<=2)
1239                         {
1240                           hitsTheta1GeV->Fill(theta,(float) 1);
1241                         }
1242                       if (PTvertex>2 && PTvertex<=3)
1243                         {
1244                           hitsTheta2GeV->Fill(theta,(float) 1);
1245                         }
1246                       if (PTvertex>3)
1247                         {
1248                           hitsTheta3GeV->Fill(theta,(float) 1);
1249                         }
1250                     }
1251
1252                 }
1253
1254               //if (nch == 3)
1255                 //{
1256
1257               if (TMath::Abs(particle) < 50000051)
1258                 {
1259                   //if (TMath::Abs(particle) == 50000050 || TMath::Abs(particle) == 2112)
1260                   if (TMath::Abs(particle) == 2112 || TMath::Abs(particle) == 50000050)
1261                     {
1262                       //gMC->Rndm(&random, 1);
1263                       if (random->Rndm() < .1)
1264                         production->Fill(current->Vz(),R,(float) 1);
1265                       if (TMath::Abs(particle) == 50000050)
1266                         //if (TMath::Abs(particle) > 50000000)
1267                         {
1268                           photons +=1;
1269                           if (R<5)
1270                             {
1271                               primaryphotons +=1;
1272                               if (current->Energy()>0.001)
1273                                 highprimaryphotons +=1;
1274                             }
1275                         }
1276                       if (TMath::Abs(particle) == 2112)
1277                         {
1278                           neutron +=1;
1279                           if (current->Energy()>0.0001)
1280                             highneutrons +=1;
1281                         }
1282                     }
1283                   if (TMath::Abs(particle) < 50000000)
1284                     {
1285                       production->Fill(current->Vz(),R,(float) 1);
1286                     }
1287                   //mip->Fill(x,y,(float) 1);
1288                 }
1289
1290               if (TMath::Abs(particle)==211 || TMath::Abs(particle)==111)
1291                 {
1292                   if (R<5)
1293                     {
1294                       pionptspectravertex->Fill(PTvertex,(float) 1);
1295                       pionptspectrafinal->Fill(PTfinal,(float) 1);
1296                     }
1297                 }
1298
1299               if (TMath::Abs(particle)==321 || TMath::Abs(particle)==130 || TMath::Abs(particle)==310
1300                   || TMath::Abs(particle)==311)
1301                 {
1302                   if (R<5)
1303                     {
1304                       kaonptspectravertex->Fill(PTvertex,(float) 1);
1305                       kaonptspectrafinal->Fill(PTfinal,(float) 1);
1306                     }
1307                 }
1308
1309
1310               if (TMath::Abs(particle)==211 || TMath::Abs(particle)==111)
1311                 {
1312                   pionspectra1->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1313                   if (current->Vx()>5 && current->Vy()>5 && current->Vz()>5)
1314                     pionspectra2->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1315                   if (R>250 && R<450)
1316                     {
1317                       pionspectra3->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1318                     }
1319                   pion +=1;
1320                   if (TMath::Abs(particle)==211)
1321                     {
1322                       chargedpions +=1;
1323                       if (R<5)
1324                         {
1325                           primarypions +=1;
1326                           if (current->Energy()>1)
1327                             highprimarypions +=1;
1328                         }
1329                     }
1330                 }
1331               if (TMath::Abs(particle)==2212)
1332                 {
1333                   protonspectra1->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1334                   //ptspectra->Fill(Pt,(float) 1);
1335                   if (current->Vx()>5 && current->Vy()>5 && current->Vz()>5)
1336                     protonspectra2->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1337                   if (R>250 && R<450)
1338                     protonspectra3->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1339                   proton +=1;
1340                 }
1341               if (TMath::Abs(particle)==321 || TMath::Abs(particle)==130 || TMath::Abs(particle)==310
1342                   || TMath::Abs(particle)==311)
1343                 {
1344                   kaonspectra1->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1345                   //ptspectra->Fill(Pt,(float) 1);
1346                   if (current->Vx()>5 && current->Vy()>5 && current->Vz()>5)
1347                     kaonspectra2->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1348                   if (R>250 && R<450)
1349                     kaonspectra3->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1350                   kaon +=1;
1351                   if (TMath::Abs(particle)==321)
1352                     {
1353                       chargedkaons +=1;
1354                       if (R<5)
1355                         {
1356                           primarykaons +=1;
1357                           if (current->Energy()>1)
1358                             highprimarykaons +=1;
1359                         }
1360                     }
1361                 }
1362               if (TMath::Abs(particle)==11)
1363                 {
1364                   electronspectra1->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1365                   //ptspectra->Fill(Pt,(float) 1);
1366                   if (current->Vx()>5 && current->Vy()>5 && current->Vz()>5)
1367                     electronspectra2->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1368                   if (R>250 && R<450)
1369                     electronspectra3->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1370                   if (particle == 11)
1371                     electron +=1;
1372                   if (particle == -11)
1373                     positron +=1;
1374                 }
1375               if (TMath::Abs(particle)==13)
1376                 {
1377                   muonspectra1->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1378                   //ptspectra->Fill(Pt,(float) 1);
1379                   if (current->Vx()>5 && current->Vy()>5 && current->Vz()>5)
1380                     muonspectra2->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1381                   if (R>250 && R<450)
1382                     muonspectra3->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1383                   muon +=1;
1384                 }
1385               if (TMath::Abs(particle)==2112)
1386                 {
1387                   neutronspectra1->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1388                   //ptspectra->Fill(Pt,(float) 1);
1389                   if (current->Vx()>5 && current->Vy()>5 && current->Vz()>5)
1390                     neutronspectra2->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1391                   if (R>250 && R<450)
1392                     {
1393                       neutronspectra3->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1394                     }
1395                   neutron +=1;
1396                 }
1397               if(TMath::Abs(particle)==211 || TMath::Abs(particle)==2212 || TMath::Abs(particle)==321)
1398                 {
1399                   if (current->Energy()-current->GetCalcMass()>1)
1400                     {
1401                       chargedspectra1->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1402                       if (current->Vx()>5 && current->Vy()>5 && current->Vz()>5)
1403                         chargedspectra2->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1404                       if (R>250 && R<450)
1405                         chargedspectra3->Fill(TMath::Log10(current->Energy() - current->GetCalcMass()),(float) 1);
1406                     }
1407                 }
1408               // Fill the histograms
1409               //Nh1+=nhits;
1410               //h->Fill(x,y,(float) 1);
1411               //}
1412               //}
1413            }
1414
1415        }
1416
1417    }
1418    //   }
1419
1420    TStyle *mystyle=new TStyle("Plain","mystyle");
1421    mystyle->SetPalette(1,0);
1422    mystyle->cd();
1423
1424    //Create canvases, set the view range, show histograms
1425
1426     TCanvas *c2 = new TCanvas("c2","Angles of incidence",150,150,100,150);
1427     c2->Divide(2,2);
1428     //c2->SetFillColor(42);
1429
1430     c2->cd(1);
1431     hitsTheta500MeV->SetFillColor(5);
1432     hitsTheta500MeV->Draw();
1433     c2->cd(2);
1434     hitsTheta1GeV->SetFillColor(5);
1435     hitsTheta1GeV->Draw();
1436     c2->cd(3);
1437     hitsTheta2GeV->SetFillColor(5);
1438     hitsTheta2GeV->Draw();
1439     c2->cd(4);
1440     hitsTheta3GeV->SetFillColor(5);
1441     hitsTheta3GeV->Draw();
1442
1443
1444
1445     TCanvas *c15 = new TCanvas("c15","Mothers Production Vertices",50,50,600,600);
1446     c15->cd();
1447     production->SetFillColor(42);
1448     production->SetXTitle("z (m)");
1449     production->SetYTitle("R (m)");
1450     production->Draw();
1451
1452     TCanvas *c10 = new TCanvas("c10","Pt Spectra",50,50,600,700);
1453     c10->Divide(2,2);
1454     c10->cd(1);
1455     pionptspectravertex->SetFillColor(5);
1456     pionptspectravertex->SetXTitle("Pt (GeV)");
1457     pionptspectravertex->Draw();
1458     c10->cd(2);
1459     pionptspectrafinal->SetFillColor(5);
1460     pionptspectrafinal->SetXTitle("Pt (GeV)");
1461     pionptspectrafinal->Draw();
1462     c10->cd(3);
1463     kaonptspectravertex->SetFillColor(5);
1464     kaonptspectravertex->SetXTitle("Pt (GeV)");
1465     kaonptspectravertex->Draw();
1466     c10->cd(4);
1467     kaonptspectrafinal->SetFillColor(5);
1468     kaonptspectrafinal->SetXTitle("Pt (GeV)");
1469     kaonptspectrafinal->Draw();
1470
1471
1472    TCanvas *c16 = new TCanvas("c16","Particles Spectra II",150,150,600,350);
1473    c16->Divide(2,1);
1474
1475    c16->cd(1);
1476    //TCanvas *c13 = new TCanvas("c13","Electron Spectra",400,10,600,700);
1477    electronspectra1->SetFillColor(5);
1478    electronspectra1->SetXTitle("log(GeV)");
1479    electronspectra2->SetFillColor(46);
1480    electronspectra2->SetXTitle("log(GeV)");
1481    electronspectra3->SetFillColor(10);
1482    electronspectra3->SetXTitle("log(GeV)");
1483    //c13->SetLogx();
1484    electronspectra1->Draw();
1485    electronspectra2->Draw("same");
1486    electronspectra3->Draw("same");
1487
1488    c16->cd(2);
1489    //TCanvas *c14 = new TCanvas("c14","Muon Spectra",400,10,600,700);
1490    muonspectra1->SetFillColor(5);
1491    muonspectra1->SetXTitle("log(GeV)");
1492    muonspectra2->SetFillColor(46);
1493    muonspectra2->SetXTitle("log(GeV)");
1494    muonspectra3->SetFillColor(10);
1495    muonspectra3->SetXTitle("log(GeV)");
1496    //c14->SetLogx();
1497    muonspectra1->Draw();
1498    muonspectra2->Draw("same");
1499    muonspectra3->Draw("same");
1500
1501    //c16->cd(3);
1502    //TCanvas *c16 = new TCanvas("c16","Neutron Spectra",400,10,600,700);
1503    //neutronspectra1->SetFillColor(42);
1504    //neutronspectra1->SetXTitle("log(GeV)");
1505    //neutronspectra2->SetFillColor(46);
1506    //neutronspectra2->SetXTitle("log(GeV)");
1507    //neutronspectra3->SetFillColor(10);
1508    //neutronspectra3->SetXTitle("log(GeV)");
1509    //c16->SetLogx();
1510    //neutronspectra1->Draw();
1511    //neutronspectra2->Draw("same");
1512    //neutronspectra3->Draw("same");
1513
1514    TCanvas *c9 = new TCanvas("c9","Particles Spectra",150,150,600,700);
1515    //TCanvas *c9 = new TCanvas("c9","Pion Spectra",400,10,600,700);
1516    c9->Divide(2,2);
1517
1518    c9->cd(1);
1519    pionspectra1->SetFillColor(5);
1520    pionspectra1->SetXTitle("log(GeV)");
1521    pionspectra2->SetFillColor(46);
1522    pionspectra2->SetXTitle("log(GeV)");
1523    pionspectra3->SetFillColor(10);
1524    pionspectra3->SetXTitle("log(GeV)");
1525    //c9->SetLogx();
1526    pionspectra1->Draw();
1527    pionspectra2->Draw("same");
1528    pionspectra3->Draw("same");
1529
1530    c9->cd(2);
1531    //TCanvas *c10 = new TCanvas("c10","Proton Spectra",400,10,600,700);
1532    protonspectra1->SetFillColor(5);
1533    protonspectra1->SetXTitle("log(GeV)");
1534    protonspectra2->SetFillColor(46);
1535    protonspectra2->SetXTitle("log(GeV)");
1536    protonspectra3->SetFillColor(10);
1537    protonspectra3->SetXTitle("log(GeV)");
1538    //c10->SetLogx();
1539    protonspectra1->Draw();
1540    protonspectra2->Draw("same");
1541    protonspectra3->Draw("same");
1542
1543    c9->cd(3);
1544    //TCanvas *c11 = new TCanvas("c11","Kaon Spectra",400,10,600,700);
1545    kaonspectra1->SetFillColor(5);
1546    kaonspectra1->SetXTitle("log(GeV)");
1547    kaonspectra2->SetFillColor(46);
1548    kaonspectra2->SetXTitle("log(GeV)");
1549    kaonspectra3->SetFillColor(10);
1550    kaonspectra3->SetXTitle("log(GeV)");
1551    //c11->SetLogx();
1552    kaonspectra1->Draw();
1553    kaonspectra2->Draw("same");
1554    kaonspectra3->Draw("same");
1555
1556    c9->cd(4);
1557    //TCanvas *c12 = new TCanvas("c12","Charged Particles Spectra",400,10,600,700);
1558    chargedspectra1->SetFillColor(5);
1559    chargedspectra1->SetXTitle("log(GeV)");
1560    chargedspectra2->SetFillColor(46);
1561    chargedspectra2->SetXTitle("log(GeV)");
1562    chargedspectra3->SetFillColor(10);
1563    chargedspectra3->SetXTitle("log(GeV)");
1564    //c12->SetLogx();
1565    chargedspectra1->Draw();
1566    chargedspectra2->Draw("same");
1567    chargedspectra3->Draw("same");
1568
1569
1570
1571    printf("*****************************************\n");
1572    printf("* Particle                   *  Counts  *\n");
1573    printf("*****************************************\n");
1574
1575    printf("* Pions:                     *   %4d   *\n",pion);
1576    printf("* Charged Pions:             *   %4d   *\n",chargedpions);
1577    printf("* Primary Pions:             *   %4d   *\n",primarypions);
1578    printf("* Primary Pions (p>1GeV/c):  *   %4d   *\n",highprimarypions);
1579    printf("* Kaons:                     *   %4d   *\n",kaon);
1580    printf("* Charged Kaons:             *   %4d   *\n",chargedkaons);
1581    printf("* Primary Kaons:             *   %4d   *\n",primarykaons);
1582    printf("* Primary Kaons (p>1GeV/c):  *   %4d   *\n",highprimarykaons);
1583    printf("* Muons:                     *   %4d   *\n",muon);
1584    printf("* Electrons:                 *   %4d   *\n",electron);
1585    printf("* Positrons:                 *   %4d   *\n",positron);
1586    printf("* Protons:                   *   %4d   *\n",proton);
1587    printf("* All Charged:               *   %4d   *\n",(chargedpions+chargedkaons+muon+electron+positron+proton));
1588    printf("*****************************************\n");
1589    //printf("* Photons:                   *   %3.1f   *\n",photons);
1590    //printf("* Primary Photons:           *   %3.1f   *\n",primaryphotons);
1591    //printf("* Primary Photons (p>1MeV/c):*   %3.1f   *\n",highprimaryphotons);
1592    //printf("*****************************************\n");
1593    //printf("* Neutrons:                  *   %3.1f   *\n",neutron);
1594    //printf("* Neutrons (p>100keV/c):     *   %3.1f   *\n",highneutrons);
1595    //printf("*****************************************\n");
1596
1597    if (gAlice->TreeD())
1598      {
1599        gAlice->TreeD()->GetEvent(0);
1600
1601        Float_t occ[7];
1602        Float_t sum=0;
1603        Float_t mean=0;
1604        printf("\n*****************************************\n");
1605        printf("* Chamber   * Digits      * Occupancy   *\n");
1606        printf("*****************************************\n");
1607
1608        for (Int_t ich=0;ich<7;ich++)
1609          {
1610            TClonesArray *Digits = DigitsAddress(ich);    //  Raw clusters branch
1611            Int_t ndigits = Digits->GetEntriesFast();
1612            occ[ich] = Float_t(ndigits)/(160*144);
1613            sum += Float_t(ndigits)/(160*144);
1614            printf("*   %d      *    %d      *   %3.1f%%     *\n",ich,ndigits,occ[ich]*100);
1615          }
1616        mean = sum/7;
1617        printf("*****************************************\n");
1618        printf("* Mean occupancy          *   %3.1f%%     *\n",mean*100);
1619        printf("*****************************************\n");
1620      }
1621
1622   printf("\nEnd of analysis\n");
1623
1624 }//void AliRICHv3::DiagnosticsFE(Int_t evNumber1,Int_t evNumber2)
1625 //__________________________________________________________________________________________________
1626