]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - ITS/AliITSv11.cxx
New survey data for V0A (Lizardo)
[u/mrichter/AliRoot.git] / ITS / AliITSv11.cxx
index 9869cc1d2b5d278f4d7ab979074cd811d084389b..cb4a1a6bf0bb7cd477f20f730f50f60195fe4f93 100644 (file)
@@ -1,5 +1,5 @@
 /**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * Copyright(c) 2007-2008, ALICE Experiment at CERN, All rights reserved. *
  *                                                                        *
  * Author: The ALICE Off-line Project.                                    *
  * Contributors are mentioned in the code where appropriate.              *
  * provided "as is" without express or implied warranty.                  *
  **************************************************************************/
 
-/* $Id$ */
-
-//////////////////////////////////////////////////////////////////////////////
-//                                                                          //
-//  Inner Traking System version 11                                         //
-//  This class contains the base procedures for the Inner Tracking System   //
-//                                                                          //
-// Authors: R. Barbera                                                      //
-// version 6.                                                               //
-// Created  2000.                                                           //
-//                                                                          //
-//  NOTE: THIS IS THE  SYMMETRIC PPR geometry of the ITS.                   //
-// THIS WILL NOT WORK                                                       //
-// with the geometry or module classes or any analysis classes. You are     //
-// strongly encouraged to uses AliITSv5.                                    //
-//                                                                          //
-//////////////////////////////////////////////////////////////////////////////
-// See AliITSv11::StepManager().
-// General C/C++ includes
-#include <stdio.h>
-#include <stdlib.h>
-// General Root includes
-#include <Riostream.h>
-#include <TMath.h>
-#include <float.h>
-#include <TFile.h>    // only required for Tracking function?
-#include <TObjArray.h>
+
+//************************************************************************
+//
+//                 Inner Traking System geometry v11
+//
+//  Based on ROOT geometrical modeler
+//
+// B. Nilsen, L. Gaudichet
+//************************************************************************
+
 #include <TClonesArray.h>
-#include <TLorentzVector.h>
-#include <TObjString.h>
-// Root Geometry includes
 #include <TGeoManager.h>
-#include <TGeoVolume.h>
 #include <TGeoPcon.h>
-#include <TGeoCone.h>
-#include <TGeoTube.h> // contaings TGeoTubeSeg
-#include <TGeoArb8.h>
-#include <TGeoCompositeShape.h>
-#include <TGeoMatrix.h>
-#include <TGeoNode.h>
-#include <TGeoMaterial.h>
-#include <TGeoMedium.h>
-#include "AliITSv11GeometrySupport.h"
-// General AliRoot includes
-#include "AliRun.h"
-#include "AliMagF.h"
-#include "AliConst.h"
-// ITS specific includes
-#include "AliITShit.h"
+#include <TGeoVolume.h>
+#include <TLorentzVector.h>
+#include <TVirtualMC.h>
+
+#include "AliITS.h"
+#include "AliITSCalibrationSDD.h"
+#include "AliITSDetTypeSim.h"
 #include "AliITSgeom.h"
-#include "AliITSgeomSPD.h"
-#include "AliITSgeomSDD.h"
-#include "AliITSgeomSSD.h"
-#include "AliITSDetType.h"
-#include "AliITSresponseSPD.h"
-#include "AliITSresponseSDD.h"
-#include "AliITSresponseSSD.h"
-#include "AliITSsegmentationSPD.h"
+#include "AliITShit.h"
 #include "AliITSsegmentationSDD.h"
+#include "AliITSsegmentationSPD.h"
 #include "AliITSsegmentationSSD.h"
-#include "AliITSsimulationSPD.h"
-#include "AliITSsimulationSDD.h"
-#include "AliITSsimulationSSD.h"
-#include "AliITSClusterFinderSPD.h"
-#include "AliITSClusterFinderSDD.h"
-#include "AliITSClusterFinderSSD.h"
-#include "AliITSBaseGeometry.h"
 #include "AliITSv11.h"
+#include "AliITSv11GeometrySDD.h"
+#include "AliITSv11GeometrySPD.h"
+#include "AliITSv11GeometrySSD.h"
 #include "AliITSv11GeometrySupport.h"
+#include "AliMC.h"
+#include "AliMagF.h"
+#include "AliRun.h"
+#include "AliTrackReference.h"
 
 ClassImp(AliITSv11)
-
-/*
-  Some temparary #define's used untill ROOT has addoppted the proper
-  Getter in it's classes.
-  These Below are for TGeoPcon functions.
-*/
-
 //______________________________________________________________________
-AliITSv11::AliITSv11() : AliITS() {
-    // Standard default constructor for the ITS version 11.
-    // Inputs:
-    //   none.
-    // Outputs:
-    //   none.
-    // Return
-    //   A default constructed AliITSv11 class.
+AliITSv11::AliITSv11() : 
+fByThick(kTRUE),
+fMajorVersion(IsVersion()),
+fMinorVersion(0),
+fSPDgeom(),
+fSDDgeom(0),
+fSSDgeom(),
+fSupgeom(),
+fIgm(kv11)
+{
+  //    Standard default constructor for the ITS version 11.
 
-    //fITSV = 0;
-    //fcS = 0;
-//   fcD = 0;
+    fIdN          = 0;
+    fIdName       = 0;
+    fIdSens       = 0;
 }
-//______________________________________________________________________
-AliITSv11::AliITSv11(const char *title) : AliITS("ITS", title){
-    // Standard constructor for the ITS version 11.
-    // Inputs:
-    //   const char *title  The title of for this geometry.
-    // Outputs:
-    //   none.
-    // Return
-    //   A Standard constructed AliITSv11 class.
 
-    //fITSV = 0;
-    //fcS = 0;
-//    fcD = 0;
-}
-//______________________________________________________________________
-AliITSv11::~AliITSv11() {
-    // Standard destructor for the ITS version 11.
-    // Inputs:
-    //   none.
-    // Outputs:
-    //   none.
-    // Return
-    //   none.
 
-//    if(fITSV!=0) delete fITSV;
-//    if(fcS!=0) delete fcS;
-//    if(fcD!=0) delete fcD;
-}
 //______________________________________________________________________
-AliITSv11::AliITSv11(const AliITSv11 &source) : AliITS(source){
-    //     Copy Constructor for ITS version 11.
-    // Inputs:
-    //   AliITSv11 &source  class to be copied from.
-    // Outputs:
-    //   none.
-    // Return
-    //   none.
+AliITSv11::AliITSv11(const char *name, const char *title): 
+AliITS("ITS", title),
+fByThick(kTRUE),
+fMajorVersion(IsVersion()),
+fMinorVersion(0),
+fSPDgeom(),
+fSDDgeom(0),
+fSSDgeom(),
+fSupgeom(),
+fIgm(kv11)
+{
+  //    Standard constructor for the ITS version 11.
 
-    if(&source == this) return;
-    Error("Copy Constructor","Not allowed to copy AliITSv11");
-    return;
-}
-//______________________________________________________________________
-AliITSv11& AliITSv11::operator=(const AliITSv11 &source){
-    //    Assignment operator for the ITS version 11.
-    // Inputs:
-    //   AliITSv11 &source  class to be copied from.
-    // Outputs:
-    //   none.
-    // Return
-    //   none.
+  fSDDgeom = new AliITSv11GeometrySDD(0);
 
-    if(&source == this) return *this;
-    Error("= operator","Not allowed to copy AliITSv11");
-    return *this;
+  Int_t i;
+  fIdN = 6;
+  fIdName = new TString[fIdN];
+  fIdName[0] = name; // removes warning message
+  fIdName[0] = "ITS1";
+  fIdName[1] = "ITS2";
+  fIdName[2] = fSDDgeom->GetSenstiveVolumeName3();
+  fIdName[3] = fSDDgeom->GetSenstiveVolumeName4();
+  fIdName[4] = "ITS5";
+  fIdName[5] = "ITS6";
+  fIdSens    = new Int_t[fIdN];
+  for(i=0;i<fIdN;i++) fIdSens[i] = 0;
+  // not needed, fByThick set to kTRUE in in the member initialization lis
+  
 }
 //______________________________________________________________________
-void AliITSv11::BuildGeometry(){
-    // This routine defines and Creates the geometry for version 11 of 
-    // the ITS for use in the simulation display routines. This is a 
-    // very simplified geometry for speed of viewing.
-    // Inputs:
-    //   none.
-    // Outputs:
-    //   none.
-    // Return
-    //   none.
-    TVector3 t(0.0,0.0,0.0);
+AliITSv11::AliITSv11(Int_t debugITS,Int_t debugSPD,Int_t debugSDD,
+                  Int_t debugSSD,Int_t debugSUP) :
+AliITS("ITS","ITS geometry v11"),
+fByThick(kTRUE),
+fMajorVersion(IsVersion()),
+fMinorVersion(0),
+fSPDgeom(),
+fSDDgeom(0),
+fSSDgeom(),
+fSupgeom(),
+fIgm(kv11)
+{
+  // Standard default constructor for the ITS version 11.
 
-    //if(fITSV==0) fITSV = new AliITSGeometryITSV(this,"ALIC");
-    //if(fcS==0) fcS = new AliITSGeometrySSDCone(this,t,"TSV",1);
 
-    //fcS->BuildDisplayGeometry();
+  //   fSPDgeom = new AliITSv11GeometrySPD(debugSPD);
+  fSDDgeom = new AliITSv11GeometrySDD(debugSDD);
+  fSDDgeom->SetDebug(debugSDD);
+  //   fSupgeom = new AliITSv11GeometrySupport(debugSUP);
+
+  Int_t i;
+  fIdN = 6;
+  fIdName = new TString[fIdN];
+  fIdName[0] = fSPDgeom->GetSenstiveVolumeName1();
+  fIdName[1] = fSPDgeom->GetSenstiveVolumeName2();
+  fIdName[2] = fSDDgeom->GetSenstiveVolumeName3();
+  fIdName[3] = fSDDgeom->GetSenstiveVolumeName4();
+  fIdName[4] = fSSDgeom->GetSenstiveVolumeName5();
+  fIdName[5] = fSSDgeom->GetSenstiveVolumeName6();
+  fIdSens    = new Int_t[fIdN];
+  for(i=0;i<fIdN;i++) fIdSens[i] = 0;
+  debugITS = (debugSPD && debugSSD && debugSUP && debugSDD); //remove temp. warnings
+}
+//______________________________________________________________________
+AliITSv11::~AliITSv11() {
+  delete fSDDgeom;
 }
 //______________________________________________________________________
 void AliITSv11::CreateGeometry(){
-    // This routine defines and Creates the geometry for version 11 of 
-    // the ITS. The geometry is used by the particle trasport routines,
-    // and therefore, is very detailed.
-    // Inputs:
-    //   none.
-    // Outputs:
-    //   none.
-    // Return
-    //   none.
-    TVector3 t(0.0,0.0,0.0);
+    //
+    // Create ROOT geometry
+    //
+    // These constant character strings are set by cvs during commit
+    // do not change them unless you know what you are doing!
+    const Char_t *cvsDate="$Date$";
+    const Char_t *cvsRevision="$Revision$";
 
-    TGeoManager *mgr = gGeoManager;
-    TGeoVolume *ALIC = mgr->GetTopVolume();
+    TGeoManager *geoManager = gGeoManager;
+    TGeoVolume *vALIC = geoManager->GetTopVolume();
+
+    TGeoPcon *sITS = new TGeoPcon("ITS Top Volume",0.0,360.0,2);
 
-    TGeoPcon *itsv = new TGeoPcon("ITS Top Volume, Daughter of ALIC",
-                                  0.0,360.0,2);
     // DefineSection(section number, Z, Rmin, Rmax).
-    itsv->DefineSection(0,-300.0*kcm,0.01*kcm,50.0*kcm);
-    itsv->DefineSection(1,+300.0*kcm,0.01*kcm,50.0*kcm);
-    TGeoVolume *ITSV = new TGeoVolume("ITSV",itsv,0);
-    //mgr->AddVolume(ITSV);
-    ITSV->SetVisibility(kFALSE);
-    ALIC->AddNode(ITSV,1,0);
-    //
-    AliITSv11GeometrySupport *sup = new AliITSv11GeometrySupport(GetDebug());
-    //sup->SPDCone(ITSV);
-    //sup->SDDCone(ITSV);
-    sup->SSDCone(ITSV);
-    //sup->ServicesCableSupport(ITSV);
+    const Double_t kcm = 1.0;
+    sITS->DefineSection(0,-300.0*kcm,0.01*kcm,50.0*kcm);
+    sITS->DefineSection(1,+300.0*kcm,0.01*kcm,50.0*kcm);
+
+    TGeoMedium *air = gGeoManager->GetMedium("ITS_AIR$");
+    TGeoVolume *vITS = new TGeoVolume("ITSV",sITS,air);
+    vITS->SetVisibility(kFALSE);
+    const Int_t length=100;
+    Char_t vstrng[length];
+    if(fIgm.WriteVersionString(vstrng,length,(AliITSVersion_t)IsVersion(),
+                               fMinorVersion,cvsDate,cvsRevision))
+        vITS->SetTitle(vstrng);
+    //printf("Title set to %s\n",vstrng);
+    vALIC->AddNode(vITS,1,0);
+
+//   fSPDgeom->CenteralSPD(vITS);
+
+  fSDDgeom->Layer3(vITS);
+  fSDDgeom->Layer4(vITS);
+
+//     fSupgeom->SPDCone(vITS);
+//     fSupgeom->SPDThermalSheald(vITS);
+//     fSupgeom->SDDCone(vITS);
+//     fSupgeom->SSDCone(vITS);
+//     fSupgeom->ServicesCableSupport(vITS);
+
 }
 //______________________________________________________________________
 void AliITSv11::CreateMaterials(){
-    // Create ITS materials
-    //     This function defines the default materials used in the Geant
-    // Monte Carlo simulations for the geometries AliITSv11.
-    // In general it is automatically replaced by
+    // Create Standard ITS Materials
     // Inputs:
-    //   none.
+    //  none.
     // Outputs:
-    //   none.
-    // Return
-    //   none.
-
-    //TGeoMaterial *C  = new TGeoMaterial("ITSCarbon",12.0,6.0,2.265);
-    TGeoMaterial *Al = new TGeoMaterial("ITSAluminum",26.981539,13.0,2.07);
-    TGeoMixture *Cfiber = new TGeoMixture("ITSCarbonFiber",6,1.930);
-    TGeoMixture *Rohacell = new TGeoMixture("ITSRohacell",6,1.930);
-    TGeoMixture *Staselite = new TGeoMixture("ITSStaselite4411w",6,1.930);
-    TGeoMixture *Air = new TGeoMixture("ITSAir",6,1.205*1.E-3);
-    TGeoMixture *Stainless = new TGeoMixture("ITSStainless",6,1.930);
-    //
-    Double_t SPDcone[20];
-    SPDcone[0] = 1.0; // imat
-    SPDcone[1] = 0.0; // isvol
-    SPDcone[2] = gAlice->Field()->Integ(); // ifield
-    SPDcone[3] = gAlice->Field()->Max(); // fieldm
-    SPDcone[4] = 1.0; // tmaxfd [degrees]
-    SPDcone[5] = 1.0; // stemax [cm]
-    SPDcone[6] = 0.5; // deemax [fraction]
-    SPDcone[7] = 1.0E-3; // epsil [cm]
-    SPDcone[8] = 0.0; // stmin [cm]
-    new TGeoMedium("ITSspdCarbonFiber",1,Cfiber,SPDcone);
-    SPDcone[0] += 1.0;
-    new TGeoMedium("ITSspdStaselite4411w",2,Staselite,SPDcone);
-    SPDcone[0] += 1.0;
-    new TGeoMedium("ITSspdRohacell50A",3,Rohacell,SPDcone);
-    SPDcone[0] += 1.0;
-    new TGeoMedium("ITSspdStainlesSteal",4,Stainless,SPDcone);
-    SPDcone[0] += 1.0;
-    new TGeoMedium("ITSspdAir",5,Air,SPDcone);
-    SPDcone[0] += 1.0;
-    new TGeoMedium("ITSspdAl",6,Al,SPDcone);
+    //  none.
+    // Return:
+    // none.
+
+    
     //
-    Double_t SSDcone[20];
-    SSDcone[0] = 1.0; // imat
-    SSDcone[1] = 0.0; // isvol
-    SSDcone[2] = gAlice->Field()->Integ(); // ifield
-    SSDcone[3] = gAlice->Field()->Max(); // fieldm
-    SSDcone[4] = 1.0; // tmaxfd [degrees]
-    SSDcone[5] = 1.0; // stemax [cm]
-    SSDcone[6] = 0.5; // deemax [fraction]
-    SSDcone[7] = 1.0E-3; // epsil [cm]
-    SSDcone[8] = 0.0; // stmin [cm]
-    new TGeoMedium("ITSssdCarbonFiber",1,Cfiber,SSDcone);
-    SSDcone[0] += 1.0;
-    new TGeoMedium("ITSssdStaselite4411w",2,Staselite,SSDcone);
-    SSDcone[0] += 1.0;
-    new TGeoMedium("ITSssdRohacell50A",3,Rohacell,SSDcone);
-    SSDcone[0] += 1.0;
-    new TGeoMedium("ITSssdStainlesSteal",4,Stainless,SSDcone);
-    SSDcone[0] += 1.0;
-    new TGeoMedium("ITSssdAir",5,Air,SSDcone);
-    SSDcone[0] += 1.0;
-    new TGeoMedium("ITSssdAl",6,Al,SSDcone);
+    fSPDgeom->AliITSv11Geometry::CreateDefaultMaterials();
+    // Detector specific material definistions
+    fSPDgeom->CreateMaterials();
+    fSDDgeom->CreateMaterials();
+    fSSDgeom->CreateMaterials();
+    fSupgeom->CreateMaterials();
 }
+/*
 //______________________________________________________________________
 void AliITSv11::InitAliITSgeom(){
-    // Based on the geometry tree defined in Geant 3.21, this
-    // routine initilizes the Class AliITSgeom from the Geant 3.21 ITS 
-    // geometry sturture.
-    // Inputs:
-    //   none.
-    // Outputs:
-    //   none.
-    // Return
-    //   none.
+  //
+  // Fill fITSgeom with the 3 sub-detector geometries
+  //
+
+  if (gGeoManager) gGeoManager->Export("geometry.root");
+
+    const Int_t knlayers = 6;
+    const Int_t kndeep = 3;
+    const AliITSDetector kidet[knlayers]={kSPD,kSPD,kSDD,kSDD,kSSD,kSSD};
+    const TString knames[knlayers] = {
+      "AliITSv11:spd missing",  // lay=1
+      "AliITSv11:spd missing",  // lay=2
+      "/ALIC_1/ITSV_1/ITSsddLayer3_1/ITSsddLadd_%d/ITSsddSensor_%d/ITSsddWafer_%d", // lay=3
+      "/ALIC_1/ITSV_1/ITSsddLayer4_1/ITSsddLadd_%d/ITSsddSensor_%d/ITSsddWafer_%d", // lay=4
+      "AliITSv11:ssd missing",  // lay=5
+      "AliITSv11:ssd missing"   // lay=6
+    };
+
+    const Int_t kitsGeomTreeCopys[knlayers][kndeep]= {{10, 2, 4},// lay=1
+                                                     {10, 4, 4}, // lay=2
+                                                     {14, 6, 1}, // lay=3
+                                                     {22, 8, 1}, // lay=4
+                                                     {34,22, 1}, // lay=5
+                                                     {38,25, 1}};// lay=6
+    Int_t       nlad[knlayers],ndet[knlayers];
+    Int_t       mod,lay,lad=0,det=0,i,j,k,cp0,cp1,cp2;
+    TString path,shapeName;
+    TGeoHMatrix materix;
+    Double_t trans[3]={3*0.0},rot[10]={9*0.0,1.0};
+    TArrayD shapePar;
+    TArrayF shapeParF;
+    Bool_t shapeDefined[3]={kFALSE,kFALSE,kFALSE};
+
+    AliDebug(1,"Reading Geometry transformation directly from Modler.");
+    mod = 0;
+    for(i=0;i<knlayers;i++){
+        k = 1;
+        for(j=0;j<kndeep;j++) if(kitsGeomTreeCopys[i][j]!=0)
+            k *= TMath::Abs(kitsGeomTreeCopys[i][j]);
+        mod += k;
+    } // end for i
+
+    SetITSgeom(0);
+    nlad[0]=20;nlad[1]=40;nlad[2]=14;nlad[3]=22;nlad[4]=34;nlad[5]=38;
+    ndet[0]= 4;ndet[1]= 4;ndet[2]= 6;ndet[3]= 8;ndet[4]=22;ndet[5]=25;
+    AliITSgeom* geom = new AliITSgeom(0,6,nlad,ndet,mod);
+    SetITSgeom(geom);
+    mod = 0;
+    for(lay=1;lay<=knlayers;lay++){
+
+        for(cp0=0; cp0<kitsGeomTreeCopys[lay-1][0]; cp0++){
+            for(cp1=0; cp1<kitsGeomTreeCopys[lay-1][1]; cp1++){
+                for(cp2=1; cp2<=kitsGeomTreeCopys[lay-1][2]; cp2++){
+
+                    path.Form(knames[lay-1].Data(),
+                              cp0,cp1,cp2);
+                    switch (lay){
+                    case 1:{
+                        det = cp2;
+                        lad = cp1+2*(cp0-1);
+                    }break;
+                    case 2:{
+                        det = cp2;
+                        lad = cp1+4*(cp0-1);
+                    } break;
+                    case 3: case 4: case 5: case 6:{
+                        det = cp1;
+                        lad = cp0;
+                    } break;
+                    } // end switch
+                         //AliInfo(Form("path=%s lay=%d lad=%d det=%d",
+                         //             path.Data(),lay,lad,det));
+                    gMC->GetTransformation(path.Data(),materix);
+                    gMC->GetShape(path.Data(),shapeName,shapePar);
+                    shapeParF.Set(shapePar.GetSize());
+                    for(i=0;i<shapePar.GetSize();i++) shapeParF[i]=shapePar[i];
+                    geom->CreateMatrix(mod,lay,lad,det,kidet[lay-1],trans,rot);
+                    geom->SetTrans(mod,materix.GetTranslation());
+                    geom->SetRotMatrix(mod,materix.GetRotationMatrix());
+                   geom->GetGeomMatrix(mod)->SetPath(path.Data());
+                    switch (lay){
+                    case 1: case 2:
+                       if(!shapeDefined[kSPD]){
+                        geom->ReSetShape(kSPD,new AliITSgeomSPD425Short(
+                                shapeParF.GetSize(),shapeParF.GetArray()));
+                       shapeDefined[kSPD] = kTRUE;
+                    }break;
+                    case 3: case 4:
+                       if(!shapeDefined[kSDD]){
+                        geom->ReSetShape(kSDD,new AliITSgeomSDD256(
+                                shapeParF.GetSize(),shapeParF.GetArray()));
+                       shapeDefined[kSDD] = kTRUE;
+                    }break;
+                    case 5: case 6:
+                       if(!shapeDefined[kSSD]){
+                        geom->ReSetShape(kSSD,new AliITSgeomSSD75and275(
+                                shapeParF.GetSize(),shapeParF.GetArray()));
+                       shapeDefined[kSSD] = kTRUE;
+                    }break;
+                    default:{
+                    }break;
+                    } // end switch
+                    mod++;
+                } /// end for cp2
+            } // end for cp1
+        } // end for cp0
+    } // end for lay
+
+//   fSDDgeom->ExportSensorGeometry(GetITSgeom(), +3, 0);  //SDD
 }
+*/
 //______________________________________________________________________
 void AliITSv11::Init(){
-    // Initialise the ITS after it has been created.
-    // Inputs:
-    //   none.
-    // Outputs:
-    //   none.
-    // Return
-    //   none.
+  //
+  //     Initialise the ITS after it has been created.
+  //
+
+  //AliInfo(Form("Minor version %d",fMinorVersion));
+    //
+    UpdateInternalGeometry();
+    AliITS::Init();
+
+    //
+/*
+    if(GetITSgeom()!=0) SetITSgeom(0x0);
+    AliITSgeom* geom = new AliITSgeom();
+    SetITSgeom(geom);
+    AliITS::Init();
+*/    //
 }
+
+
 //______________________________________________________________________
 void AliITSv11::SetDefaults(){
-    // Sets the default segmentation, response, digit and raw cluster 
-    // classes to be used. These defaults can be overwritten in the
-    // macros that do these later steps. Defaults are give hear for the
-    // general user.
-    // Inputs:
-    //   none.
-    // Outputs:
-    //   none.
-    // Return
-    //   none.
+  //
+  // Set response and segmentation models for SPD, SDD and SSD
+  //
+
+//     if(!fDetTypeSim) fDetTypeSim = new AliITSDetTypeSim();
+//     fDetTypeSim->SetITSgeom(GetITSgeom());
+    if(!fDetTypeSim) {
+      Warning("SetDefaults","Error fDetTypeSim not defined");
+      return;
+    }
+  
+    fDetTypeSim->ResetCalibrationArray();
+    fDetTypeSim->ResetSegmentation();
+    fDetTypeSim->SetDefaults();
+    
+    if(fgkNTYPES>3){
+       Warning("SetDefaults",
+               "Only the four basic detector types are initialised!");
+    }// end if
+
+    
+    return;
 }
+
+
+
+
+
 //______________________________________________________________________
-void AliITSv11::DrawModule(){
-    // Draw a standard set of shaded view of the ITS version 11.
-    // Inputs:
-    //   none.
-    // Outputs:
-    //   none.
-    // Return
-    //   none.
+void AliITSv11::DrawModule() const{
+
 }
+
+// //______________________________________________________________________
+// void AliITSv11::StepManager(){
+//   //
+//   //    Called for every step in the ITS, then calles the AliITShit class
+//   // creator with the information to be recoreded about that hit.
+//   //
+//     Int_t         copy, id;
+//     TLorentzVector position, momentum;
+//     static TLorentzVector position0;
+//     static Int_t stat0=0;
+
+//     if(!(this->IsActive())){
+//     return;
+//     } // end if !Active volume.
+
+//     if(!(gMC->TrackCharge())) return;
+
+//     id=gMC->CurrentVolID(copy);
+
+//     Bool_t sensvol = kFALSE;
+//     for(Int_t kk=0;kk<6;kk++)if(id == fIdSens[kk])sensvol=kTRUE;
+//     if(sensvol && (gMC->IsTrackExiting())){
+//     copy = fTrackReferences->GetEntriesFast();
+//     TClonesArray &lTR = *fTrackReferences;
+//     // Fill TrackReference structure with this new TrackReference.
+//     new(lTR[copy]) AliTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
+//     } // if Outer ITS mother Volume
+
+
+//     Int_t   copy1,copy2;  
+//     Int_t   vol[5];
+//     TClonesArray &lhits = *fHits;
+//     //
+//     // Track status
+//     vol[3] = 0;
+//     vol[4] = 0;
+//     if(gMC->IsTrackInside())      vol[3] +=  1;
+//     if(gMC->IsTrackEntering())    vol[3] +=  2;
+//     if(gMC->IsTrackExiting())     vol[3] +=  4;
+//     if(gMC->IsTrackOut())         vol[3] +=  8;
+//     if(gMC->IsTrackDisappeared()) vol[3] += 16;
+//     if(gMC->IsTrackStop())        vol[3] += 32;
+//     if(gMC->IsTrackAlive())       vol[3] += 64;
+//     //
+//     // Fill hit structure.
+//     if(!(gMC->TrackCharge())) return;
+//     //
+//     // Only entering charged tracks
+//     if((id = gMC->CurrentVolID(copy)) == fIdSens[0]) {
+//     vol[0] = 1;
+//     id = gMC->CurrentVolOffID(2,copy);
+//     //detector copy in the ladder = 1<->4  (ITS1 < I101 < I103 < I10A)
+//     vol[1] = copy;
+//     gMC->CurrentVolOffID(3,copy1);
+//     //ladder copy in the module   = 1<->2  (I10A < I12A)
+//     gMC->CurrentVolOffID(4,copy2);
+//     //module copy in the layer    = 1<->10 (I12A < IT12)
+//     vol[2] = copy1+(copy2-1)*2;//# of ladders in one module  = 2
+//     } else if(id == fIdSens[1]){
+//     vol[0] = 2;
+//     id = gMC->CurrentVolOffID(2,copy);
+//     //detector copy in the ladder = 1<->4  (ITS2 < I1D1 < I1D3 < I20A)
+//     vol[1] = copy;
+//     gMC->CurrentVolOffID(3,copy1);
+//     //ladder copy in the module   = 1<->4  (I20A < I12A)
+//     gMC->CurrentVolOffID(4,copy2);
+//     //module copy in the layer    = 1<->10 (I12A < IT12)
+//     vol[2] = copy1+(copy2-1)*4;//# of ladders in one module  = 4
+//     } else if(id == fIdSens[2]){
+//     vol[0] = 3;
+//     id = gMC->CurrentVolOffID(1,copy);
+//     //detector copy in the ladder = 1<->6  (ITS3 < I302 < I004)
+//     vol[1] = copy;
+//     id = gMC->CurrentVolOffID(2,copy);
+//     //ladder copy in the layer    = 1<->14 (I004 < IT34)
+//     vol[2] = copy;
+//     } else if(id == fIdSens[3]){
+//     vol[0] = 4;
+//     id = gMC->CurrentVolOffID(1,copy);
+//     //detector copy in the ladder = 1<->8  (ITS4 < I402 < I005)
+//     vol[1] = copy;
+//     id = gMC->CurrentVolOffID(2,copy);
+//     //ladder copy in the layer    = 1<->22 (I005 < IT34))
+//     vol[2] = copy;
+//     }else if(id == fIdSens[4]){
+//     vol[0] = 5;
+//     id = gMC->CurrentVolOffID(1,copy);
+//     //detector copy in the ladder = 1<->22  (ITS5 < I562 < I565)
+//     vol[1] = copy;
+//     id = gMC->CurrentVolOffID(2,copy);
+//     //ladder copy in the layer    = 1<->34 (I565 < IT56)
+//     vol[2] = copy;
+//     }else if(id == fIdSens[5]){
+//     vol[0] = 6;
+//     id = gMC->CurrentVolOffID(1,copy);
+//     //detector copy in the ladder = 1<->25  (ITS6 < I566 < I569)
+//     vol[1] = copy;
+//     id = gMC->CurrentVolOffID(2,copy);
+//     //ladder copy in the layer = 1<->38 (I569 < IT56)
+//     vol[2] = copy;
+//     } else {
+//     return; // not an ITS volume?
+//     } // end if/else if (gMC->CurentVolID(copy) == fIdSens[i])
+//     //
+//     gMC->TrackPosition(position);
+//     gMC->TrackMomentum(momentum);
+//     vol[4] = stat0;
+//     if(gMC->IsTrackEntering()){
+//     position0 = position;
+//     stat0 = vol[3];
+//     return;
+//     } // end if IsEntering
+//     // Fill hit structure with this new hit.
+    
+//     new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->GetMCApp()->GetCurrentTrackNumber(),vol,
+//                                gMC->Edep(),gMC->TrackTime(),position,
+//                                position0,momentum);
+
+//     position0 = position;
+//     stat0 = vol[3];
+
+//     return;
+// }
+
+
 //______________________________________________________________________
 void AliITSv11::StepManager(){
-    // Called for every step in the ITS, then calles the AliITShit class
-    // creator with the information to be recoreded about that hit.
-    //  The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
-    // printing of information to a file which can be used to create a .det
-    // file read in by the routine CreateGeometry(). If set to 0 or any other
-    // value except 1, the default behavior, then no such file is created nor
-    // is the extra variables and the like used in the printing allocated.
+  //
+  //    Called for every step in the ITS, then calles the AliITShit class
+  // creator with the information to be recoreded about that hit.
+  //
+    Int_t         copy, id;
+    TLorentzVector position, momentum;
+    static TLorentzVector position0;
+    static Int_t stat0=0;
+
+    if(!(this->IsActive())){
+       return;
+    } // end if !Active volume.
+
+    if(!(gMC->TrackCharge())) return;
+
+    id=gMC->CurrentVolID(copy);
+
+    Bool_t sensvol = kFALSE;
+    for(Int_t kk=0;kk<6;kk++)if(id == fIdSens[kk])sensvol=kTRUE;
+    if(sensvol && (gMC->IsTrackExiting())){
+       AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kITS);
+    } // if Outer ITS mother Volume
+
+
+    Int_t   copy1,copy2;  
+    Int_t   vol[5];
+    TClonesArray &lhits = *fHits;
+    //
+    // Track status
+    vol[3] = 0;
+    vol[4] = 0;
+    if(gMC->IsTrackInside())      vol[3] +=  1;
+    if(gMC->IsTrackEntering())    vol[3] +=  2;
+    if(gMC->IsTrackExiting())     vol[3] +=  4;
+    if(gMC->IsTrackOut())         vol[3] +=  8;
+    if(gMC->IsTrackDisappeared()) vol[3] += 16;
+    if(gMC->IsTrackStop())        vol[3] += 32;
+    if(gMC->IsTrackAlive())       vol[3] += 64;
+    //
+    // Fill hit structure.
+    if(!(gMC->TrackCharge())) return;
+
+    // Only entering charged tracks
+    if((id = gMC->CurrentVolID(copy)) == fIdSens[0]) {
+       vol[0] = 1;
+       id = gMC->CurrentVolOffID(2,copy);
+       //detector copy in the ladder = 1<->4  (ITS1 < I101 < I103 < I10A)
+       vol[1] = copy;
+       gMC->CurrentVolOffID(3,copy1);
+       //ladder copy in the module   = 1<->2  (I10A < I12A)
+       gMC->CurrentVolOffID(4,copy2);
+       //module copy in the layer    = 1<->10 (I12A < IT12)
+       vol[2] = copy1+(copy2-1)*2;//# of ladders in one module  = 2
+
+    } else if(id == fIdSens[1]){
+       vol[0] = 2;
+       id = gMC->CurrentVolOffID(2,copy);
+       //detector copy in the ladder = 1<->4  (ITS2 < I1D1 < I1D3 < I20A)
+       vol[1] = copy;
+       gMC->CurrentVolOffID(3,copy1);
+       //ladder copy in the module   = 1<->4  (I20A < I12A)
+       gMC->CurrentVolOffID(4,copy2);
+       //module copy in the layer    = 1<->10 (I12A < IT12)
+       vol[2] = copy1+(copy2-1)*4;//# of ladders in one module  = 4
+
+    } else if(id == fIdSens[2]){
+       vol[0] = 3;
+       id = gMC->CurrentVolOffID(1,copy);
+       //detector copy in the ladder = 1<->6  (ITS3 < I302 < I004)
+       vol[1] = copy;
+       id = gMC->CurrentVolOffID(2,copy);
+       //ladder copy in the layer    = 1<->14 (I004 < IT34)
+       vol[2] = copy;
+
+    } else if(id == fIdSens[3]){
+       vol[0] = 4;
+       id = gMC->CurrentVolOffID(1,copy);
+       //detector copy in the ladder = 1<->8  (ITS4 < I402 < I005)
+       vol[1] = copy;
+       id = gMC->CurrentVolOffID(2,copy);
+       //ladder copy in the layer    = 1<->22 (I005 < IT34))
+       vol[2] = copy;
+
+    }else if(id == fIdSens[4]){
+       vol[0] = 5;
+       id = gMC->CurrentVolOffID(1,copy);
+       //detector copy in the ladder = 1<->22  (ITS5 < I562 < I565)
+       vol[1] = copy;
+       id = gMC->CurrentVolOffID(2,copy);
+       //ladder copy in the layer    = 1<->34 (I565 < IT56)
+       vol[2] = copy;
+
+    }else if(id == fIdSens[5]){
+       vol[0] = 6;
+       id = gMC->CurrentVolOffID(1,copy);
+       //detector copy in the ladder = 1<->25  (ITS6 < I566 < I569)
+       vol[1] = copy;
+       id = gMC->CurrentVolOffID(2,copy);
+       //ladder copy in the layer = 1<->38 (I569 < IT56)
+       vol[2] = copy;
+    } else {
+       return; // not an ITS volume?
+    } // end if/else if (gMC->CurentVolID(copy) == fIdSens[i])
+    //
+    gMC->TrackPosition(position);
+    gMC->TrackMomentum(momentum);
+    vol[4] = stat0;
+    if(gMC->IsTrackEntering()){
+       position0 = position;
+       stat0 = vol[3];
+       return;
+    } // end if IsEntering
+    // Fill hit structure with this new hit.
+    
+    new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->GetMCApp()->GetCurrentTrackNumber(),vol,
+                                  gMC->Edep(),gMC->TrackTime(),position,
+                                  position0,momentum);
+
+    position0 = position;
+    stat0 = vol[3];
+
+    return;
 }
+