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[u/mrichter/AliRoot.git] / RICH / AliRICHv0.cxx
index 29f9293ffd30b02d5aeb9346e717103163cff4e2..b4b9fd8ba6d139b5053ebb26d4c0e202b684619e 100644 (file)
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- *                                                                        *
- * Author: The ALICE Off-line Project.                                    *
- * Contributors are mentioned in the code where appropriate.              *
- *                                                                        *
- * Permission to use, copy, modify and distribute this software and its   *
- * documentation strictly for non-commercial purposes is hereby granted   *
- * without fee, provided that the above copyright notice appears in all   *
- * copies and that both the copyright notice and this permission notice   *
- * appear in the supporting documentation. The authors make no claims     *
- * about the suitability of this software for any purpose. It is          *
- * provided "as is" without express or implied warranty.                  *
- **************************************************************************/
-
-/*
-  $Log$
-  Revision 1.22  2001/05/16 14:57:20  alibrary
-  New files for folders and Stack
-
-  Revision 1.21  2001/05/10 12:28:15  jbarbosa
-  Repositioned the RICH modules.
-
-  Revision 1.20  2001/02/23 17:25:57  jbarbosa
-  Setters for wire sag effect and voltage values.
-
-  Revision 1.19  2001/02/13 20:10:22  jbarbosa
-  Removed call to SetNSec() (obsolete). Fixed bug in chamber initialisation (not all chambers were initialised).
-
-  Revision 1.18  2000/12/20 14:07:36  jbarbosa
-  Removed dependencies on TGeant3 (thanks to F. Carminati and I. Hrivnacova)
-
-  Revision 1.17  2000/12/18 17:44:29  jbarbosa
-  Took two lines out of output.
-
-  Revision 1.16  2000/10/03 21:44:09  morsch
-  Use AliSegmentation and AliHit abstract base classes.
-
-  Revision 1.15  2000/10/02 15:54:55  jbarbosa
-  New default version (15 mm freon).
-
-  Revision 1.14  2000/07/10 15:28:39  fca
-  Correction of the inheritance scheme
-
-  Revision 1.13  2000/06/30 16:38:15  dibari
-  Test on kDebugevel
-
-  Revision 1.12  2000/06/13 13:06:28  jbarbosa
-  Fixed compiling error for HP (multiple declaration)
-
-  Revision 1.11  2000/06/12 15:35:44  jbarbosa
-  Cleaned up version.
-
-  Revision 1.10  2000/06/09 14:59:25  jbarbosa
-  New default version. No setters needed, no hits.
-
-  Revision 1.9  2000/05/31 08:19:38  jbarbosa
-  Fixed bug in StepManager
-
-  Revision 1.8  2000/05/26 17:30:08  jbarbosa
-  Cerenkov angle now stored within cerenkov data structure.
-
-  Revision 1.7  2000/05/18 10:31:36  jbarbosa
-  Fixed positioning of spacers inside freon.
-  Fixed positioning of proximity gap
-  inside methane.
-  Fixed cut on neutral particles in the StepManager.
-
-  Revision 1.6  2000/04/28 11:51:58  morsch
-   Dimensions of arrays hits and Ckov_data corrected.
-
-  Revision 1.5  2000/04/19 13:28:46  morsch
-  Major changes in geometry (parametrised), materials (updated) and
-  step manager (diagnostics) (JB, AM)
-
-*/
-
-
-
-/////////////////////////////////////////////////////////////
-//  Manager and hits classes for set: RICH default version //
-/////////////////////////////////////////////////////////////
-
-#include <TTUBE.h>
-#include <TNode.h> 
-#include <TRandom.h> 
+//**************************************************************************
+//  Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+//                                                                         *
+//  Author: The ALICE Off-line Project.                                    *
+//  Contributors are mentioned in the code where appropriate.              *
+//                                                                         *
+//  Permission to use, copy, modify and distribute this software and its   *
+//  documentation strictly for non-commercial purposes is hereby granted   *
+//  without fee, provided that the above copyright notice appears in all   *
+//  copies and that both the copyright notice and this permission notice   *
+//  appear in the supporting documentation. The authors make no claims     *
+//  about the suitability of this software for any purpose. It is          *
+//  provided "as is" without express or implied warranty.                  *
+//**************************************************************************
 
 #include "AliRICHv0.h"
-#include "AliSegmentation.h"
-#include "AliRICHResponse.h"
-#include "AliRICHSegmentationV0.h"
-#include "AliRICHResponseV0.h"
-#include "AliRICHGeometry.h"
-#include "AliRun.h"
-#include "AliMC.h"
-#include "iostream.h"
-#include "AliCallf77.h"
-#include "AliConst.h" 
-#include "AliPDG.h" 
+#include "AliRICHChamber.h" 
+#include <AliRun.h>
+#include <AliMC.h>
+#include <TVirtualMC.h>
+#include <TPDGCode.h>
+#include <TLorentzVector.h>
+#include <TMath.h>
 
 ClassImp(AliRICHv0)
-    
-//___________________________________________
-AliRICHv0::AliRICHv0() : AliRICH()
-{
-
-// Default constructor
-
-    //fChambers = 0;
-}
-
-//___________________________________________
-AliRICHv0::AliRICHv0(const char *name, const char *title)
-    : AliRICH(name,title)
-{
-    //
-// Version 0
-// Default Segmentation, no hits
-    AliRICHSegmentationV0* segmentation = new AliRICHSegmentationV0;
-//
-//  Segmentation parameters
-    segmentation->SetPadSize(0.84,0.80);
-    segmentation->SetDAnod(0.84/2);
-//
-//  Geometry parameters
-    AliRICHGeometry* geometry = new AliRICHGeometry;
-    geometry->SetGapThickness(8);
-    geometry->SetProximityGapThickness(.4);
-    geometry->SetQuartzLength(131);
-    geometry->SetQuartzWidth(126.2);
-    geometry->SetQuartzThickness(.5);
-    geometry->SetOuterFreonLength(131);
-    geometry->SetOuterFreonWidth(40.3);
-    geometry->SetInnerFreonLength(131);
-    geometry->SetInnerFreonWidth(40.3);
-    geometry->SetFreonThickness(1.5);
-//
-//  Response parameters
-    AliRICHResponseV0*  response   = new AliRICHResponseV0;
-    response->SetSigmaIntegration(5.);
-    response->SetChargeSlope(27.);
-    response->SetChargeSpread(0.18, 0.18);
-    response->SetMaxAdc(4096);
-    response->SetAlphaFeedback(0.036);
-    response->SetEIonisation(26.e-9);
-    response->SetSqrtKx3(0.77459667);
-    response->SetKx2(0.962);
-    response->SetKx4(0.379);
-    response->SetSqrtKy3(0.77459667);
-    response->SetKy2(0.962);
-    response->SetKy4(0.379);
-    response->SetPitch(0.25);
-    response->SetWireSag(0);                     // 1->On, 0->Off
-    response->SetVoltage(2150);                  // Should only be 2000, 2050, 2100 or 2150
-//
-//    AliRICH *RICH = (AliRICH *) gAlice->GetDetector("RICH"); 
-    
-    fCkovNumber=0;
-    fFreonProd=0;
-    Int_t i=0;
-    
-    fChambers = new TObjArray(kNCH);
-    for (i=0; i<kNCH; i++) {
-      
-      //PH      (*fChambers)[i] = new AliRICHChamber();  
-      fChambers->AddAt(new AliRICHChamber(), i);  
-      
-    }
-  
-    for (i=0; i<kNCH; i++) {
-      SetGeometryModel(i,geometry);
-      SetSegmentationModel(i, segmentation);
-      SetResponseModel(i, response);
-      SetDebugLevel(0);
-    }
-}
-
-
-
-//___________________________________________
 
-void AliRICHv0::Init()
+void AliRICHv0::StepManager()
 {
-
-  if(fDebug) {
-    printf("%s: *********************************** RICH_INIT ***********************************\n",ClassName());
-    printf("%s: *                                                                               *\n",ClassName());
-    printf("%s: *                       AliRICHv0 Default version started                       *\n",ClassName());
-    printf("%s: *                                                                               *\n",ClassName());
+//This StepManager is a provision for different test-learn activities on the current MC layer  
+  const char *sParticle;
+  switch(gMC->TrackPid()){
+    case kProton:
+      sParticle="proton";break;
+    case kNeutron:
+      sParticle="neutron";break;
+    case kGamma:
+      sParticle="gamma";break;
+    case kCerenkov:
+      sParticle="photon";break;
+    case kPi0:
+      sParticle="Pi0";break;  
+    case kElectron:
+      sParticle="electron";break;  
+    default:
+      sParticle="not known";break;
   }
 
+  Info("","event=%i hunt=%i tid=%i pid=%i(%s) m=%f q=%3.1f dEdX=%9.3f",
+                            gMC->CurrentEvent(),
+                            fIshunt,
+                            gAlice->GetMCApp()->GetCurrentTrackNumber(),
+                            gMC->TrackPid(),
+                            sParticle,
+                            gMC->TrackMass(),
+                            gMC->TrackCharge(),
+                            gMC->Edep());
+  Info("","Flags:alive(%i) disap(%i) enter(%i) exit(%i) inside(%i) out(%i) stop(%i) new(%i)",
+                            gMC->IsTrackAlive(),
+                            gMC->IsTrackDisappeared(),
+                            gMC->IsTrackEntering(),
+                            gMC->IsTrackExiting(),
+                            gMC->IsTrackInside(),
+                            gMC->IsTrackOut(),
+                            gMC->IsTrackStop(),
+                            gMC->IsNewTrack());
+  Int_t copy0,copy1,copy2,copy3;
+  Int_t vid0=gMC->CurrentVolID(copy0);
+  Int_t vid1=gMC->CurrentVolOffID(1,copy1);
+  Int_t vid2=gMC->CurrentVolOffID(2,copy2);
+  Int_t vid3=gMC->CurrentVolOffID(3,copy3);
+  Info("","vid0=%i(%s)c%i vid1=%i(%s)c%i vid2=%i(%s)c%i vid3=%i(%s)c%i   %s-%s-%s-%s",
+                      vid0,gMC->VolName(vid0),copy0, 
+                      vid1,gMC->VolName(vid1),copy1, 
+                      vid2,gMC->VolName(vid2),copy2, 
+                      vid3,gMC->VolName(vid3),copy3, 
+                      gMC->CurrentVolName(),
+                      gMC->CurrentVolOffName(1),
+                      gMC->CurrentVolOffName(2),
+                      gMC->CurrentVolOffName(3));
   
-  AliSegmentation*  segmentation;
-  AliRICHGeometry*  geometry;
-  AliRICHResponse*  response;
-
-
-    // 
-    // Initialize Tracking Chambers
-    //
-    for (Int_t i=0; i<kNCH; i++) {
-       //printf ("i:%d",i);
-      //PH     ( (AliRICHChamber*) (*fChambers)[i])->Init(i);  
-       ( (AliRICHChamber*) fChambers->At(i))->Init(i);  
-    }  
-    
-    //
-    // Set the chamber (sensitive region) GEANT identifier
-    
-    //PH    ((AliRICHChamber*)(*fChambers)[0])->SetGid(1);  
-    //PH    ((AliRICHChamber*)(*fChambers)[1])->SetGid(2);  
-    //PH    ((AliRICHChamber*)(*fChambers)[2])->SetGid(3);  
-    //PH    ((AliRICHChamber*)(*fChambers)[3])->SetGid(4);  
-    //PH    ((AliRICHChamber*)(*fChambers)[4])->SetGid(5);  
-    //PH    ((AliRICHChamber*)(*fChambers)[5])->SetGid(6);  
-    //PH    ((AliRICHChamber*)(*fChambers)[6])->SetGid(7); 
-
-    ((AliRICHChamber*)fChambers->At(0))->SetGid(1);  
-    ((AliRICHChamber*)fChambers->At(1))->SetGid(2);  
-    ((AliRICHChamber*)fChambers->At(2))->SetGid(3);  
-    ((AliRICHChamber*)fChambers->At(3))->SetGid(4);  
-    ((AliRICHChamber*)fChambers->At(4))->SetGid(5);  
-    ((AliRICHChamber*)fChambers->At(5))->SetGid(6);  
-    ((AliRICHChamber*)fChambers->At(6))->SetGid(7);  
-
-    segmentation=Chamber(0).GetSegmentationModel(0);
-    geometry=Chamber(0).GetGeometryModel();
-    response=Chamber(0).GetResponseModel();
-    
-    Float_t offset       = 490 + 1.276 - geometry->GetGapThickness()/2;        //distance from center of mother volume to methane
-    Float_t deltaphi     = 19.5;                                               //phi angle between center of chambers - z direction
-    Float_t deltatheta   = 20;                                                 //theta angle between center of chambers - x direction
-    Float_t cosphi       = TMath::Cos(deltaphi*TMath::Pi()/180);
-    Float_t sinphi       = TMath::Sin(deltaphi*TMath::Pi()/180);
-    Float_t costheta     = TMath::Cos(deltatheta*TMath::Pi()/180);
-    Float_t sintheta     = TMath::Sin(deltatheta*TMath::Pi()/180);
-
-    Float_t pos1[3]={0.                , offset*cosphi         , offset*sinphi};
-    Float_t pos2[3]={offset*sintheta   , offset*costheta       , 0. };
-    Float_t pos3[3]={0.                , offset                , 0.};
-    Float_t pos4[3]={-offset*sintheta  , offset*costheta       , 0.};
-    Float_t pos5[3]={offset*sinphi     , offset*costheta*cosphi, -offset*sinphi};
-    Float_t pos6[3]={0.                , offset*cosphi         , -offset*sinphi};
-    Float_t pos7[3]={ -offset*sinphi   , offset*costheta*cosphi, -offset*sinphi};
-
-    Chamber(0).SetChamberTransform(pos1[0],pos1[1],pos1[2],new TRotMatrix("rot993","rot993",90., 0.               , 90. - deltaphi, 90.             , deltaphi, -90.           ));
-    Chamber(1).SetChamberTransform(pos2[0],pos2[1],pos2[2],new TRotMatrix("rot994","rot994",90., -deltatheta      , 90.           , 90.- deltatheta , 0.      , 0.             ));
-    Chamber(2).SetChamberTransform(pos3[0],pos3[1],pos3[2],new TRotMatrix("rot995","rot995",90., 0.               , 90.           , 90.             , 0.      , 0.             ));
-    Chamber(3).SetChamberTransform(pos4[0],pos4[1],pos4[2],new TRotMatrix("rot996","rot996",90.,  deltatheta      , 90.           , 90 + deltatheta , 0.      , 0.             ));
-    Chamber(4).SetChamberTransform(pos5[0],pos5[1],pos5[2],new TRotMatrix("rot997","rot997",90., 360. - deltatheta, 108.2         , 90.- deltatheta ,18.2     , 90 - deltatheta));
-    Chamber(5).SetChamberTransform(pos6[0],pos6[1],pos6[2],new TRotMatrix("rot998","rot998",90., 0.               , 90 + deltaphi , 90.             , deltaphi, 90.            ));
-    Chamber(6).SetChamberTransform(pos7[0],pos7[1],pos7[2],new TRotMatrix("rot999","rot999",90., deltatheta       , 108.2         , 90.+ deltatheta ,18.2     , 90 + deltatheta));   
-     
-    if(fDebug) {
-      printf("%s: *                            Pads            : %3dx%3d                          *\n",
-            ClassName(),segmentation->Npx(),segmentation->Npy());
-      printf("%s: *                            Pad size        : %5.2f x%5.2f mm2                 *\n",
-            ClassName(),segmentation->Dpx(),segmentation->Dpy()); 
-      printf("%s: *                            Gap Thickness   : %5.1f cm                         *\n",
-            ClassName(),geometry->GetGapThickness());
-      printf("%s: *                            Radiator Width  : %5.1f cm                         *\n",
-            ClassName(),geometry->GetQuartzWidth());
-      printf("%s: *                            Radiator Length : %5.1f cm                         *\n",
-            ClassName(),geometry->GetQuartzLength());
-      printf("%s: *                            Freon Thickness : %5.1f cm                         *\n",
-            ClassName(),geometry->GetFreonThickness());
-      printf("%s: *                            Charge Slope    : %5.1f ADC                        *\n",
-            ClassName(),response->ChargeSlope());
-      printf("%s: *                            Feedback Prob.  : %5.2f %%                          *\n",
-            ClassName(),response->AlphaFeedback()*100);
-      printf("%s: *                                                                               *\n",
-            ClassName());
-      printf("%s: *********************************************************************************\n",
-            ClassName());
-    }
-}
-
+  Float_t a,z,den,rad,abs; a=z=den=rad=abs=kBad;
+  Int_t mid=gMC->CurrentMaterial(a,z,den,rad,abs);
+  Info("","mid=%i a=%7.2f z=%7.2f den=%7.2f rad=%7.2f abs=%7.2f",mid,a,z,den,rad,abs);
+  
+  TLorentzVector x4;
+  gMC->TrackPosition(x4);
+  Float_t glo[3],loc[3];
+  glo[0]=x4.X();glo[1]=x4.Y();glo[2]=x4.Z();  
+  gMC->Gmtod(glo,loc,1);
+  Info("","glo(%+8.3f,%+8.3f,%+8.3f) r=%8.3f theta=%8.3f phi=%8.3f",
+                      glo[0],glo[1],glo[2],x4.Rho(),x4.Theta()*TMath::RadToDeg(),x4.Phi()*TMath::RadToDeg());  
+  Info("","loc(%+8.3f,%+8.3f,%8.3f) by gMC->Gmtod()",         loc[0],loc[1],loc[2]);  
+  if(gMC->VolId("CSI ")==gMC->CurrentVolID(copy0)){
+    Int_t iChamber;
+    gMC->CurrentVolOffID(2,iChamber);
+    TVector3 x3=C(iChamber)->G2L(x4);
+    Info("","loc(%+8.3f,%+8.3f,%8.3f) by G2L",         x3.X(),x3.Y(),x3.Z());  
+    TVector2 x2=C(iChamber)->Glob2Loc(x4);
+    Info("","loc(%+8.3f,%+8.3f) by Global2Local",      x2.X(),x2.Y());  
+  }
+  Info("","end of current step\n");
+}//StepManager()
+//__________________________________________________________________________________________________