/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * Copyright(c) 2007-2009, 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. *
**************************************************************************/
-/*
-$Log$
-$Id$
-*/
-
-//////////////////////////////////////////////////////////////////////////////
-// //
-// 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().
-#include <Riostream.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <TMath.h>
-#include <TGeometry.h>
-#include <TNode.h>
-#include <TTUBE.h>
-#include <TTUBS.h>
-#include <TPCON.h>
-#include <TFile.h> // only required for Tracking function?
-#include <TCanvas.h>
-#include <TObjArray.h>
-#include <TLorentzVector.h>
-#include <TObjString.h>
-#include <TClonesArray.h>
-#include <TBRIK.h>
-#include <TSystem.h>
+/* $Id: */
+
+
+//========================================================================
+//
+// Geometry of the Inner Tracking System
+// ---------------------------------------
+// This geometry is fully described in TGeo geometry (v11)
+//
+// Ludovic Gaudichet (gaudichet@to.infn.it)
+// Mario Sitta (sitta@to.infn.it)
+//
+//========================================================================
+
+
+// $Log$
+// Revision 1.1 2011/06/10 14:48:24 masera
+// First version from v11Hybrid to v11 (M. Sitta)
+//
+
+
+#include <TClonesArray.h>
+#include <TGeoGlobalMagField.h>
+#include <TGeoManager.h>
+#include <TGeoMatrix.h>
+#include <TGeoPhysicalNode.h>
+#include <TGeoVolume.h>
+#include <TGeoXtru.h>
+#include <TLorentzVector.h>
+#include <TString.h>
+#include <TVirtualMC.h>
-#include "AliRun.h"
-#include "AliMagF.h"
-#include "AliConst.h"
-#include "AliITSGeant3Geometry.h"
-#include "AliITShit.h"
#include "AliITS.h"
-#include "AliITSv11.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 "AliITSDetTypeSim.h"
+#include "AliITShit.h"
+#include "AliITSCalibrationSDD.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 "AliITSv11.h"
+#include "AliLog.h"
+#include "AliMC.h"
+#include "AliMagF.h"
+#include "AliRun.h"
+#include "AliTrackReference.h"
+#include "AliITSv11GeometrySPD.h"
+#include "AliITSv11GeometrySDD.h"
+#include "AliITSv11GeometrySSD.h"
+#include "AliITSv11GeometrySupport.h"
+#include "AliGeomManager.h"
ClassImp(AliITSv11)
//______________________________________________________________________
-AliITSv11::AliITSv11() : AliITS() {
-////////////////////////////////////////////////////////////////////////
-// Standard default constructor for the ITS version 11.
-////////////////////////////////////////////////////////////////////////
-}
-//______________________________________________________________________
-AliITSv11::AliITSv11(const char *title) : AliITS("ITS", title){
-////////////////////////////////////////////////////////////////////////
-// Standard constructor for the ITS version 11.
-////////////////////////////////////////////////////////////////////////
-}
-//______________________________________________________________________
-AliITSv11::~AliITSv11() {
-////////////////////////////////////////////////////////////////////////
-// Standard destructor for the ITS version 11.
-////////////////////////////////////////////////////////////////////////
-}
-//______________________________________________________________________
-void AliITSv11::Box(const char gnam[3],const TString &dis,
- Double_t dx,Double_t dy,Double_t dz,Int_t med){
- // Interface to TMC->Gsvolu() for ITS bos geometries. Box with faces
- // perpendicular to the axes. It has 3 paramters. See SetScale() for
- // units. Default units are geant 3 [cm].
- // Inputs:
- // const char gnam[3] 3 character geant volume name. The letter "I"
- // is appended to the front to indecate that this
- // is an ITS volume.
- // TString &dis String containging part discription.
- // Double_t dx half-length of box in x-axis
- // Double_t dy half-length of box in y-axis
- // Double_t dz half-length of box in z-axis
- // Int_t med media index number.
- // Output:
- // none.
- // Return.
- // none.
- char name[4];
- Float_t param[3];
-
- param[0] = fScale*dx;
- param[1] = fScale*dy;
- param[2] = fScale*dz;
- name[0] = 'I';
- for(Int_t i=0;i<3;i++) name[i+1] = gnam[i];
- gMC->Gsvolu(name,"BOX ",fidmed[med],param,3);
-}
-//______________________________________________________________________
-void AliITSv11::Trapezoid1(const char gnam[3],const TString &dis,
- Double_t dxn,Double_t dxp,Double_t dy,Double_t dz,
- Int_t med){
- // Interface to TMC->Gsvolu() for ITS TRD1 geometries. Trapezoid with the
- // x dimension varing along z. It has 4 parameters. See SetScale() for
- // units. Default units are geant 3 [cm].
- // Inputs:
- // const char gnam[3] 3 character geant volume name. The letter "I"
- // is appended to the front to indecate that this
- // is an ITS volume.
- // TString &dis String containging part discription.
- // Double_t dxn half-length along x at the z surface positioned
- // at -DZ
- // Double_t dxp half-length along x at the z surface positioned
- // at +DZ
- // Double_t dy half-length along the y-axis
- // Double_t dz half-length along the z-axis
- // Int_t med media index number.
- // Output:
- // none.
- // Return.
- // none.
- char name[4];
- Float_t param[4];
-
- param[0] = fScale*dxn;
- param[1] = fScale*dxp;
- param[2] = fScale*dy;
- param[3] = fScale*dz;
- name[0] = 'I';
- for(Int_t i=0;i<3;i++) name[i+1] = gnam[i];
- gMC->Gsvolu(name,"TRD1",fidmed[med],param,4);
-}
-//______________________________________________________________________
-void AliITSv11::Trapezoid2(const char gnam[3],const TString &dis,Double_t dxn,
- Double_t dxp,Double_t dyn,Double_t dyp,Double_t dz,
- Int_t med){
- // Interface to TMC->Gsvolu() for ITS TRD2 geometries. Trapezoid with the
- // x and y dimension varing along z. It has 5 parameters. See SetScale()
- // for units. Default units are geant 3 [cm].
+AliITSv11::AliITSv11():
+ fByThick(kTRUE),
+ fMajorVersion(IsVersion()),
+ fMinorVersion(-1),
+ fIDMother(0),
+ fInitGeom((AliITSVersion_t)fMajorVersion,fMinorVersion),
+ fSPDgeom(0),
+ fSDDgeom(0),
+ fSSDgeom(0),
+ fSupgeom(0)
+ {
+ // Standard default constructor
// Inputs:
- // const char gnam[3] 3 character geant volume name. The letter "I"
- // is appended to the front to indecate that this
- // is an ITS volume.
- // TString &dis String containging part discription.
- // Double_t dxn half-length along x at the z surface positioned
- // at -DZ
- // Double_t dxp half-length along x at the z surface positioned
- // at +DZ
- // Double_t dyn half-length along x at the z surface positioned
- // at -DZ
- // Double_t dyp half-length along x at the z surface positioned
- // at +DZ
- // Double_t dz half-length along the z-axis
- // Int_t med media index number.
- // Output:
- // none.
- // Return.
- // none.
- char name[4];
- Float_t param[5];
-
- param[0] = fScale*dxn;
- param[1] = fScale*dxp;
- param[2] = fScale*dyn;
- param[3] = fScale*dyp;
- param[4] = fScale*dz;
- name[0] = 'I';
- for(Int_t i=0;i<3;i++) name[i+1] = gnam[i];
- gMC->Gsvolu(name,"TRD2",fidmed[med],param,5);
-}
-//______________________________________________________________________
-void AliITSv11::Trapezoid(const char gnam[3],const TString &dis,Double_t dz,
- Double_t thet,Double_t phi,Double_t h1,Double_t bl1,
- Double_t tl1,Double_t alp1,Double_t h2,Double_t bl2,
- Double_t tl2,Double_t alp2,Int_t med){
- // Interface to TMC->Gsvolu() for ITS TRAP geometries. General Trapezoid,
- // The faces perpendicular to z are trapezia and their centers are not
- // necessarily on a line parallel to the z axis. This shape has 11
- // parameters, but only cosidering that the faces should be planar, only 9
- // are really independent. A check is performed on the user parameters and
- // a message is printed in case of non-planar faces. Ignoring this warning
- // may cause unpredictable effects at tracking time. See SetScale()
- // for units. Default units are geant 3 [cm].
- // Inputs:
- // const char gnam[3] 3 character geant volume name. The letter "I"
- // is appended to the front to indecate that this
- // is an ITS volume.
- // TString &dis String containging part discription.
- // Double_t dz Half-length along the z-asix
- // Double_t thet Polar angle of the line joing the center of the
- // face at -dz to the center of the one at dz
- // [degree].
- // Double_t phi aximuthal angle of the line joing the center of
- // the face at -dz to the center of the one at +dz
- // [degree].
- // Double_t h1 half-length along y of the face at -dz.
- // Double_t bl1 half-length along x of the side at -h1 in y of
- // the face at -dz in z.
- // Double_t tl1 half-length along x of teh side at +h1 in y of
- // the face at -dz in z.
- // Double_t alp1 angle with respect to the y axis from the center
- // of the side at -h1 in y to the cetner of the
- // side at +h1 in y of the face at -dz in z
- // [degree].
- // Double_t h2 half-length along y of the face at +dz
- // Double_t bl2 half-length along x of the side at -h2 in y of
- // the face at +dz in z.
- // Double_t tl2 half-length along x of the side at _h2 in y of
- // the face at +dz in z.
- // Double_t alp2 angle with respect to the y axis from the center
- // of the side at -h2 in y to the center of the
- // side at +h2 in y of the face at +dz in z
- // [degree].
- // Int_t med media index number.
- // Output:
- // none.
- // Return.
- // none.
- char name[4];
- Float_t param[11];
-
- param[0] = fScale*dz;
- param[1] = thet;
- param[2] = phi;
- param[3] = fScale*h1;
- param[4] = fScale*bl1;
- param[5] = fScale*tl1;
- param[6] = alp1;
- param[7] = fScale*h2;
- param[8] = fScale*bl2;
- param[9] = fScale*tl2;
- param[10] = alp2;
- name[0] = 'I';
- for(Int_t i=0;i<3;i++) name[i+1] = gnam[i];
- gMC->Gsvolu(name,"TRAP",fidmed[med],param,11);
-}
-//______________________________________________________________________
-void AliITSv11::Tube(const char gnam[3],const TString &dis,Double_t rmin,
- Double_t rmax,Double_t dz,Int_t med){
- // Interface to TMC->Gsvolu() for ITS TUBE geometries. Simple Tube. It has
- // 3 parameters. See SetScale()
- // for units. Default units are geant 3 [cm].
- // Inputs:
- // const char gnam[3] 3 character geant volume name. The letter "I"
- // is appended to the front to indecate that this
- // is an ITS volume.
- // TString &dis String containging part discription.
- // Double_t rmin Inside Radius.
- // Double_t rmax Outside Radius.
- // Double_t dz half-length along the z-axis
- // Int_t med media index number.
- // Output:
- // none.
- // Return.
- // none.
- char name[4];
- Float_t param[3];
-
- param[0] = fScale*rmin;
- param[1] = fScale*rmax;
- param[2] = fScale*dz;
- name[0] = 'I';
- for(Int_t i=0;i<3;i++) name[i+1] = gnam[i];
- gMC->Gsvolu(name,"TUBE",fidmed[med],param,3);
-}
-//______________________________________________________________________
-void AliITSv11::TubeSegment(const char gnam[3],const TString &dis,
- Double_t rmin,Double_t rmax,Double_t dz,
- Double_t phi1,Double_t phi2,Int_t med){
- // Interface to TMC->Gsvolu() for ITS TUBE geometries. Phi segment of a
- // tube. It has 5 parameters. Phi1 should be smaller than phi2. If this is
- // not the case, the system adds 360 degrees to phi2. See SetScale()
- // for units. Default units are geant 3 [cm].
- // Inputs:
- // const char gnam[3] 3 character geant volume name. The letter "I"
- // is appended to the front to indecate that this
- // is an ITS volume.
- // TString &dis String containging part discription.
- // Double_t rmin Inside Radius.
- // Double_t rmax Outside Radius.
- // Double_t dz half-length along the z-axis
- // Double_t phi1 Starting angle of the segment [degree].
- // Double_t phi2 Ending angle of the segment [degree].
- // Int_t med media index number.
- // Output:
- // none.
- // Return.
- // none.
- char name[4];
- Float_t param[5];
-
- param[0] = fScale*rmin;
- param[1] = fScale*rmax;
- param[2] = fScale*dz;
- param[3] = phi1;
- param[4] = phi2;
- name[0] = 'I';
- for(Int_t i=0;i<3;i++) name[i+1] = gnam[i];
- gMC->Gsvolu(name,"TUBS",fidmed[med],param,5);
-}
-//______________________________________________________________________
-void AliITSv11::Cone(const char gnam[3],const TString &dis,Double_t dz,
- Double_t rmin1,Double_t rmax1,Double_t rmin2,
- Double_t rmax2,Int_t med){
- // Interface to TMC->Gsvolu() for ITS Cone geometries. Conical tube. It
- // has 5 parameters. See SetScale()
- // for units. Default units are geant 3 [cm].
- // Inputs:
- // const char gnam[3] 3 character geant volume name. The letter "I"
- // is appended to the front to indecate that this
- // is an ITS volume.
- // TString &dis String containging part discription.
- // Double_t dz half-length along the z-axis
- // Double_t rmin1 Inside Radius at -dz.
- // Double_t rmax1 Outside Radius at -dz.
- // Double_t rmin2 inside radius at +dz.
- // Double_t rmax2 outside radius at +dz.
- // Int_t med media index number.
- // Output:
- // none.
- // Return.
- // none.
- char name[4];
- Float_t param[5];
-
- param[0] = fScale*dz;
- param[1] = fScale*rmin1;
- param[2] = fScale*rmax1;
- param[3] = fScale*rmin2;
- param[4] = fScale*rmax2;
- name[0] = 'I';
- for(Int_t i=0;i<3;i++) name[i+1] = gnam[i];
- gMC->Gsvolu(name,"CONS",fidmed[med],param,5);
-}
-//______________________________________________________________________
-void AliITSv11::ConeSegment(const char gnam[3],const TString &dis,Double_t dz,
- Double_t rmin1,Double_t rmax1,Double_t rmin2,
- Double_t rmax2,Double_t phi1,Double_t phi2,
- Int_t med){
- // Interface to TMC->Gsvolu() for ITS ConS geometries. One segment of a
- // conical tube. It has 7 parameters. Phi1 should be smaller than phi2. If
- // this is not the case, the system adds 360 degrees to phi2. See
- // SetScale() for units. Default units are geant 3 [cm].
- // Inputs:
- // const char gnam[3] 3 character geant volume name. The letter "I"
- // is appended to the front to indecate that this
- // is an ITS volume.
- // TString &dis String containging part discription.
- // Double_t dz half-length along the z-axis
- // Double_t rmin1 Inside Radius at -dz.
- // Double_t rmax1 Outside Radius at -dz.
- // Double_t rmin2 inside radius at +dz.
- // Double_t rmax2 outside radius at +dz.
- // Double_t phi1 Starting angle of the segment [degree].
- // Double_t phi2 Ending angle of the segment [degree].
- // Int_t med media index number.
- // Output:
- // none.
- // Return.
- // none.
- char name[4];
- Float_t param[7];
-
- param[0] = fScale*dz;
- param[1] = fScale*rmin1;
- param[2] = fScale*rmax1;
- param[3] = fScale*rmin2;
- param[4] = fScale*rmax2;
- param[5] = phi1;
- param[6] = phi2;
- name[0] = 'I';
- for(Int_t i=0;i<3;i++) name[i+1] = gnam[i];
- gMC->Gsvolu(name,"CONS",fidmed[med],param,7);
-}
-//______________________________________________________________________
-void AliITSv11::Sphere(const char gnam[3],const TString &dis,Double_t rmin,
- Double_t rmax,Double_t the1,Double_t the2,Double_t phi1,
- Double_t phi2,Int_t med){
- // Interface to TMC->Gsvolu() for ITS SPHE geometries. Segment of a
- // sphereical shell. It has 6 parameters. See SetScale()
- // for units. Default units are geant 3 [cm].
- // Inputs:
- // const char gnam[3] 3 character geant volume name. The letter "I"
- // is appended to the front to indecate that this
- // is an ITS volume.
- // TString &dis String containging part discription.
- // Double_t rmin Inside Radius.
- // Double_t rmax Outside Radius.
- // Double_t the1 staring polar angle of the shell [degree].
- // Double_t the2 ending polar angle of the shell [degree].
- // Double_t phui staring asimuthal angle of the shell [degree].
- // Double_t phi2 ending asimuthal angle of the shell [degree].
- // Int_t med media index number.
- // Output:
- // none.
- // Return.
- // none.
- char name[4];
- Float_t param[6];
-
- param[0] = fScale*rmin;
- param[1] = fScale*rmax;
- param[2] = the1;
- param[3] = the2;
- param[4] = phi1;
- param[5] = phi2;
- name[0] = 'I';
- for(Int_t i=0;i<3;i++) name[i+1] = gnam[i];
- gMC->Gsvolu(name,"SPHE",fidmed[med],param,6);
-}
-//______________________________________________________________________
-void AliITSv11::Parallelepiped(const char gnam[3],const TString &dis,
- Double_t dx,Double_t dy,Double_t dz,
- Double_t alph,Double_t thet,Double_t phi,
- Int_t med){
- // Interface to TMC->Gsvolu() for ITS PARA geometries. Parallelepiped. It
- // has 6 parameters. See SetScale() for units. Default units are geant 3
- // [cm].
- // Inputs:
- // const char gnam[3] 3 character geant volume name. The letter "I"
- // is appended to the front to indecate that this
- // is an ITS volume.
- // TString &dis String containging part discription.
- // Double_t dx half-length allong x-axis
- // Double_t dy half-length allong y-axis
- // Double_t dz half-length allong z-axis
- // Double_t alpha angle formed by the y axis and by the plane
- // joining the center of teh faces parallel to the
- // z-x plane at -dY and +dy [degree].
- // Double_t thet polar angle of the line joining the centers of
- // the faces at -dz and +dz in z [degree].
- // Double_t phi azimuthal angle of teh line joing the centers of
- // the faaces at -dz and +dz in z [degree].
- // Int_t med media index number.
- // Output:
- // none.
- // Return.
- // none.
- char name[4];
- Float_t param[6];
-
- param[0] = fScale*dx;
- param[1] = fScale*dy;
- param[2] = fScale*dz;
- param[3] = alpha;
- param[4] = thet;
- param[5] = phi;
- name[0] = 'I';
- for(Int_t i=0;i<3;i++) name[i+1] = gnam[i];
- gMC->Gsvolu(name,"PARA",fidmed[med],param,6);
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
}
+
//______________________________________________________________________
-void AliITSv11::Polygon(const char gnam[3],const TString &dis,Double_t phi1,
- Double_t dphi,Int_t npdv,Int_t nz,Double_t *z,
- Double_t *rmin,Double_t *rmax,Double_t ,Int_t med){
- // Interface to TMC->Gsvolu() for ITS PGON geometry. Polygon It has 10
- // parameters or more. See SetScale() for units. Default units are geant 3
- // [cm].
+AliITSv11::AliITSv11(const char *title)
+ : AliITS("ITS", title),
+ fByThick(kTRUE),
+ fMajorVersion(IsVersion()),
+ fMinorVersion(1),
+ fIDMother(0),
+ fInitGeom((AliITSVersion_t)fMajorVersion,fMinorVersion),
+ fSPDgeom(0),
+ fSDDgeom(0),
+ fSSDgeom(0),
+ fSupgeom(0)
+{
+ // Standard constructor for the v11 geometry.
// Inputs:
- // const char gnam[3] 3 character geant volume name. The letter "I"
- // is appended to the front to indecate that this
- // is an ITS volume.
- // TString &dis String containging part discription.
- // Double_t phi1 the azimuthal angle at which the volume begins
- // (angles are counted clouterclockwise) [degrees].
- // Double_t dphi opening angle of the volume, which extends from
- // phi1 to phi1+dphi [degree].
- // Int_t npdv the number of sides of teh cross section between
- // the given phi limits.
- // Int_t nz number of planes perpendicular to the z axis
- // where the dimension of the section is given -
- // this number should be at least 2 and NP triples
- // of number must follow.
- // Double_t *z array [nz] of z coordiates of the sections..
- // Double_t *rmin array [nz] of radius of teh circle tangent to
- // the sides of the inner polygon in teh
- // cross-section.
- // Double_t *rmax array [nz] of radius of the circle tangent to
- // the sides of the outer polygon in the
- // cross-section.
- // Int_t med media index number.
- // Output:
- // none.
- // Return.
- // none.
- char name[4];
- Float_t *param;
- Int_t n,i;
-
- n = 4+3*nz;
- param = new Float_t[n]
- param[0] = phi1;
- param[1] = dphi;
- param[2] = (Float_t)npdv;
- param[3] = (Float_t)nz;
- for(i=0;i<nz;i++){
- param[4+3*i] = z[i];
- param[5+3*i] = rmin[i];
- param[6+3*i] = rmax[i];
- } // end for i
- name[0] = 'I';
- for(i=0;i<3;i++) name[i+1] = gnam[i];
- gMC->Gsvolu(name,"PGON",fidmed[med],param,n);
-
- delete[] param;
+ // const char * title Arbitrary title
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ Int_t i;
+
+ fSPDgeom = new AliITSv11GeometrySPD();
+ fSDDgeom = new AliITSv11GeometrySDD(0);
+ fSSDgeom = new AliITSv11GeometrySSD();
+ fSupgeom = new AliITSv11GeometrySupport();
+
+ 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;
+
+ SetDensityServicesByThickness();
+
}
+
//______________________________________________________________________
-void AliITSv11::PolyCone(const char gnam[3],const TString &dis,Double_t phi1,
- Double_t dphi,Int_t nz,Double_t *z,Double_t *rmin,
- Double_t *rmax,Int_t med){
- // Interface to TMC->Gsvolu() for ITS PCON geometry. Poly-cone It has 9
- // parameters or more. See SetScale() for units. Default units are geant 3
- // [cm].
+AliITSv11::AliITSv11(const char *name, const char *title)
+ : AliITS("ITS", title),
+ fByThick(kTRUE),
+ fMajorVersion(IsVersion()),
+ fMinorVersion(1),
+ fIDMother(0),
+ fInitGeom((AliITSVersion_t)fMajorVersion,fMinorVersion),
+ fSPDgeom(0),
+ fSDDgeom(0),
+ fSSDgeom(0),
+ fSupgeom(0)
+{
+ // Standard constructor for the v11 geometry.
// Inputs:
- // const char gnam[3] 3 character geant volume name. The letter "I"
- // is appended to the front to indecate that this
- // is an ITS volume.
- // TString &dis String containging part discription.
- // Double_t phi1 the azimuthal angle at which the volume begins
- // (angles are counted clouterclockwise) [degrees].
- // Double_t dphi opening angle of the volume, which extends from
- // phi1 to phi1+dphi [degree].
- // Int_t nz number of planes perpendicular to the z axis
- // where the dimension of the section is given -
- // this number should be at least 2 and NP triples
- // of number must follow.
- // Double_t *z Array [nz] of z coordinate of the section.
- // Double_t *rmin Array [nz] of radius of teh inner circle in the
- // cross-section.
- // Double_t *rmax Array [nz] of radius of the outer circle in the
- // cross-section.
- // Int_t med media index number.
- // Output:
- // none.
- // Return.
- // none.
- char name[4];
- Float_t *param;
- Int_t n,i;
-
- n = 3+3*nz;
- param = new Float_t[n];
- param[0] = phi1;
- param[1] = dphi;
- param[2] = (Float_t) nz;
- for(i=0;i<nz;i++){
- param[3+3*i] = z[i];
- param[4+3*i] = rmin[i];
- param[5+3*i] = rmax[i];
- } // end for i
- name[0] = 'I';
- for(i=0;i<3;i++) name[i+1] = gnam[i];
- gMC->Gsvolu(name,"PCON",fidmed[med],param,n);
-
- delete[] param;
+ // const char * name Ignored, set to "ITS"
+ // const char * title Arbitrary title
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ Int_t i;
+
+ fSPDgeom = new AliITSv11GeometrySPD();
+ fSDDgeom = new AliITSv11GeometrySDD(0);
+ fSSDgeom = new AliITSv11GeometrySSD();
+ fSupgeom = new AliITSv11GeometrySupport();
+
+ fIdN = 6;
+ fIdName = new TString[fIdN];
+
+ (void) name; // removes warning message
+
+ 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;
+
+ SetDensityServicesByThickness();
+
}
+
//______________________________________________________________________
-void AliITSv11::TubeElliptical(const char gnam[3],const TString &dis,
- Double_t p1,Double_t p2,Double_t dz,Int_t med){
- // Interface to TMC->Gsvolu() for ITS ELTU geometries. Elliptical
- // cross-section Tube. It has 3 parameters. See SetScale()
- // for units. Default units are geant 3 [cm]. The equation of the surface
- // is x^2 * p1^-2 + y^2 * p2^-2 = 1.
+AliITSv11::~AliITSv11() {
+ // Standard destructor
// Inputs:
- // const char gnam[3] 3 character geant volume name. The letter "I"
- // is appended to the front to indecate that this
- // is an ITS volume.
- // TString &dis String containging part discription.
- // Double_t p1 semi-axis of the elipse along x.
- // Double_t p2 semi-axis of the elipse along y.
- // Double_t dz half-length along the z-axis
- // Int_t med media index number.
- // Output:
- // none.
- // Return.
- // none.
- char name[4];
- Float_t param[3];
-
- param[0] = fScale*p1;
- param[1] = fScale*p2;
- param[2] = fScale*dz;
- name[0] = 'I';
- for(Int_t i=0;i<3;i++) name[i+1] = gnam[i];
- gMC->Gsvolu(name,"ELTU",fidmed[med],param,3);
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ delete fSPDgeom;
+ delete fSDDgeom;
+ delete fSSDgeom;
+ delete fSupgeom;
}
+
//______________________________________________________________________
-void AliITSv11::HyperbolicTube(const char gnam[3],const TString &dis,
- Double_t rmin,Double_t rmax,Double_t dz,
- Double_t thet,Int_t med){
- // Interface to TMC->Gsvolu() for ITS HYPE geometries. Hyperbolic tube.
- // Fore example the inner and outer surfaces are hyperboloids, as would be
- // foumed by a system of cylinderical wires which were then rotated
- // tangentially about their centers. It has 4 parameters. See SetScale()
- // for units. Default units are geant 3 [cm]. The hyperbolic surfaces are
- // given by r^2 = (ztan(thet)^2 + r(z=0)^2.
- // Inputs:
- // const char gnam[3] 3 character geant volume name. The letter "I"
- // is appended to the front to indecate that this
- // is an ITS volume.
- // TString &dis String containging part discription.
- // Double_t rmin Inner radius at z=0 where tube is narrowest.
- // Double_t rmax Outer radius at z=0 where tube is narrowest.
- // Double_t dz half-length along the z-axis
- // Double_t thet stero angel of rotation of the two faces
- // [degrees].
- // Int_t med media index number.
- // Output:
- // none.
- // Return.
- // none.
- char name[4];
- Float_t param[4];
-
- param[0] = fScale*rmin;
- param[1] = fScale*rmax;
- param[2] = fScale*dz;
- param[3] = thet;
- name[0] = 'I';
- for(Int_t i=0;i<3;i++) name[i+1] = gnam[i];
- gMC->Gsvolu(name,"HYPE",fidmed[med],param,4);
+void AliITSv11::SetT2Lmatrix(Int_t uid, Double_t yShift,
+ Bool_t yFlip, Bool_t yRot180) const
+{
+
+ //
+ // Creates the TGeo Local to Tracking transformation matrix
+ // and sends it to the corresponding TGeoPNEntry
+ //
+ // This function is used in AddAlignableVolumes()
+
+ TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(uid);
+ TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
+
+ Double_t *gtrans = globMatrix->GetTranslation(), rotMatrix[9];
+ memcpy(&rotMatrix[0], globMatrix->GetRotationMatrix(), 9*sizeof(Double_t));
+ Double_t al = TMath::ATan2(rotMatrix[1],rotMatrix[0]);
+ if (yRot180) {
+ al = TMath::ATan2(rotMatrix[1],-rotMatrix[0]);
+ }
+ Double_t xShift = gtrans[0]*TMath::Cos(al)+gtrans[1]*TMath::Sin(al);
+ Double_t zShift = -gtrans[2];
+
+ TGeoHMatrix *matLtoT = new TGeoHMatrix;
+ matLtoT->SetDx( xShift ); // translation
+ matLtoT->SetDy( yShift );
+ matLtoT->SetDz( zShift );
+ rotMatrix[0]= 0; rotMatrix[1]= 1; rotMatrix[2]= 0; // + rotation
+ rotMatrix[3]= 1; rotMatrix[4]= 0; rotMatrix[5]= 0;
+ rotMatrix[6]= 0; rotMatrix[7]= 0; rotMatrix[8]=-1;
+ if (yFlip) rotMatrix[3] = -1; // flipping in y (for SPD1)
+ if (yFlip) rotMatrix[1] = -1; // flipping in y (for SPD1)
+
+ if (yRot180) { // rotation of pi around the axis perpendicular to the wafer
+ if (yFlip) matLtoT->SetDx( -xShift ); // flipping in y (for SPD1)
+ matLtoT->SetDy( -yShift );
+ matLtoT->SetDz( -zShift );
+ rotMatrix[8]=1;
+ rotMatrix[3] = -1;
+ if (yFlip) rotMatrix[3] = 1; // flipping in y (for SPD1)
+ }
+
+ TGeoRotation rot;
+ rot.SetMatrix(rotMatrix);
+ matLtoT->MultiplyLeft(&rot);
+ TGeoHMatrix *matTtoL = new TGeoHMatrix(matLtoT->Inverse());
+ delete matLtoT;
+ alignableEntry->SetMatrix(matTtoL);
}
+
//______________________________________________________________________
-void AliITSv11::TwistedTrapezoid(const char gnam[3],const TString &dis,
- Double_t dz,Double_t thet,Double_t phi,
- Double_t twist,Double_t h1,Double_t bl1,
- Double_t tl1,Double_t apl1,Double_t h2,
- Double_t bl2,Double_t tl2,Double_t apl2,
- Int_t med){
- // Interface to TMC->Gsvolu() for ITS GTRA geometries. General twisted
- // trapazoid. The faces perpendicular to z are trapazia and their centers
- // are not necessarily on a line parallel to the z axis as the TRAP.
- // Additionally, the faces may be twisted so that none of their edges are
- // parallel. It is a TRAP shape, exept that it is twisted in the x-y plane
- // as a function of z. The parallel sides perpendicular to the x axis are
- // rotated with respect to the x axis by an angle TWIST, which is one of
- // the parameters. The shape is defined by the eight corners and is assumed
- // to be constructed of straight lines joingin points on the boundry of the
- // trapezoidal face at Z=-dz to the coresponding points on the face at
- // z=+dz. Divisions are not allowed. It has 12 parameters. See SetScale()
- // for units. Default units are geant 3 [cm]. Note: This shape suffers from
- // the same limitations than the TRAP. The tracking routines assume that
- // the faces are planar, but htis constraint is not easily expressed in
- // terms of the 12 parameters. Additionally, no check on th efaces is
- // performed in this case. Users should avoid to use this shape as much as
- // possible, and if they have to do so, they should make sure that the
- // faces are really planes. If this is not the case, the result of the
- // trasport is unpredictable. To accelerat ethe computations necessary for
- // trasport, 18 additioanl parameters are calculated for this shape are
- // 1 DXODZ dx/dz of the line joing the centers of the faces at z=+_dz.
- // 2 DYODZ dy/dz of the line joing the centers of the faces at z=+_dz.
- // 3 XO1 x at z=0 for line joing the + on parallel side, perpendicular
- // corners at z=+_dz.
- // 4 YO1 y at z=0 for line joing the + on parallel side, + on
- // perpendicular corners at z=+-dz.
- // 5 DXDZ1 dx/dz for line joing the + on parallel side, + on
- // perpendicular corners at z=+-dz.
- // 6 DYDZ1 dy/dz for line joing the + on parallel side, + on
- // perpendicular corners at z=+-dz.
- // 7 X02 x at z=0 for line joing the - on parallel side, + on
- // perpendicular corners at z=+-dz.
- // 8 YO2 y at z=0 for line joing the - on parallel side, + on
- // perpendicular corners at z=+-dz.
- // 9 DXDZ2 dx/dz for line joing the - on parallel side, + on
- // perpendicular corners at z=+-dz.
- // 10 DYDZ2dy/dz for line joing the - on parallel side, + on
- // perpendicular corners at z=+-dz.
- // 11 XO3 x at z=0 for line joing the - on parallel side, - on
- // perpendicular corners at z=+-dz.
- // 12 YO3 y at z=0 for line joing the - on parallel side, - on
- // perpendicular corners at z=+-dz.
- // 13 DXDZ3 dx/dzfor line joing the - on parallel side, - on
- // perpendicular corners at z=+-dz.
- // 14 DYDZ3 dydz for line joing the - on parallel side, - on
- // perpendicular corners at z=+-dz.
- // 15 XO4 x at z=0 for line joing the + on parallel side, - on
- // perpendicular corners at z=+-dz.
- // 16 YO4 y at z=0 for line joing the + on parallel side, - on
- // perpendicular corners at z=+-dz.
- // 17 DXDZ4 dx/dz for line joing the + on parallel side, - on
- // perpendicular corners at z=+-dz.
- // 18 DYDZ4 dydz for line joing the + on parallel side, - on
- // perpendicular corners at z=+-dz.
- // Inputs:
- // const char gnam[3] 3 character geant volume name. The letter "I"
- // is appended to the front to indecate that this
- // is an ITS volume.
- // TString &dis String containging part discription.
- // Double_t dz half-length along the z axis.
- // Double_t thet polar angle of the line joing the center of the
- // face at -dz to the center of the one at +dz
- // [degrees].
- // Double_t phi Azymuthal angle of teh line joing the centre of
- // the face at -dz to the center of the one at +dz
- // [degrees].
- // Double_t twist Twist angle of the faces parallel to the x-y
- // plane at z=+-dz around an axis parallel to z
- // passing through their centre [degrees].
- // Double_t h1 Half-length along y of the face at -dz.
- // Double_t bl1 half-length along x of the side -h1 in y of the
- // face at -dz in z.
- // Double_t tl1 half-length along x of the side at +h1 in y of
- // the face at -dz in z.
- // Double_t apl1 Angle with respect to the y ais from the center
- // of the side at -h1 in y to the centere of the
- // side at +h1 in y of the face at -dz in z
- // [degrees].
- // Double_t h2 half-length along the face at +dz.
- // Double_t bl2 half-length along x of the side at -h2 in y of
- // the face at -dz in z.
- // Double_t tl2 half-length along x of the side at +h2 in y of
- // the face at +dz in z.
- // Double_t apl2 angle with respect to the y axis from the center
- // of the side at -h2 in y to the center of the side
- // at +h2 in y of the face at +dz in z [degrees].
- // Int_t med media index number.
- // Output:
- // none.
- // Return.
- // none.
- char name[4];
- Float_t param[12];
-
- param[0] = fScale*dz;
- param[1] = thet;
- param[2] = phi;
- param[3] = twist;
- param[4] = fScale*h1;
- param[5] = fScale*bl1;
- param[6] = fScale*tl1;
- param[7] = alp1;
- param[8] = fScale*h2;
- param[9] = fScale*bl2;
- param[10] = fScale*tl2;
- param[11] = alp2;
- name[0] = 'I';
- for(Int_t i=0;i<3;i++) name[i+1] = gnam[i];
- gMC->Gsvolu(name,"GTRA",fidmed[med],param,12);
+void AliITSv11::AddAlignableVolumes() const
+{
+ // Creates entries for alignable volumes associating the symbolic volume
+ // name with the corresponding volume path.
+ //
+ // Records in the alignable entries the transformation matrices converting
+ // TGeo local coordinates (in the RS of alignable volumes) to the tracking
+ // system
+ // For this, this function has to run before the misalignment because we
+ // are using the ideal positions in the AliITSgeom object.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+
+ AliInfo("Add ITS alignable volumes");
+
+ if (!gGeoManager) {
+ AliFatal("TGeoManager doesn't exist !");
+ return;
+ }
+
+ AliGeomManager::ELayerID layerId;
+ Int_t modUID, modnum;
+
+ if( !gGeoManager->SetAlignableEntry("ITS","ALIC_1/ITSV_1") )
+ AliFatal(Form("Unable to set alignable entry ! %s :: %s",
+ "ITS","ALIC_1/ITSV_1"));
+
+ TString strSPD = "ITS/SPD";
+ TString strSDD = "ITS/SDD";
+ TString strSSD = "ITS/SSD";
+ TString strStave = "/Stave";
+ TString strHalfStave = "/HalfStave";
+ TString strLadder = "/Ladder";
+ TString strSector = "/Sector";
+ TString strSensor = "/Sensor";
+ TString strEntryName1;
+ TString strEntryName2;
+ TString strEntryName3;
+ TString strEntryName4;
+
+ TString str0;
+ TString str1;
+ TString str2;
+
+ TString ladder;
+
+ //===== SPD layers =====
+
+ str0 = "ALIC_1/ITSV_1/ITSSPD_1/ITSSPDCarbonFiberSectorV_";
+ str1 = "/ITSSPDSensitiveVirtualvolumeM0_1/ITSSPDlay1-Stave_";
+
+ TString str1Bis = "/ITSSPDhalf-Stave";
+ TString str1Tierce = "_1";
+
+ str2 = "/ITSSPDlay1-Ladder_";
+
+ TString sector;
+ TString stave;
+ TString halfStave;
+ TString module;
+
+ layerId = AliGeomManager::kSPD1;
+ modnum = 0;
+
+ for(Int_t cSect = 0; cSect<10; cSect++) {
+
+ sector = str0;
+ sector += cSect+1; // this is one full sector
+ strEntryName1 = strSPD;
+ strEntryName1 += 0;
+ strEntryName1 += strSector;
+ strEntryName1 += cSect;
+ if(!gGeoManager->SetAlignableEntry(strEntryName1.Data(),sector.Data()))
+ AliFatal(Form("New lay 1: Unable to set alignable entry 1! %s::%s",
+ strEntryName1.Data(),sector.Data()));
+
+ for(Int_t cStave=0; cStave<2; cStave++) {
+
+ stave = sector;
+ stave += str1;
+ stave += cStave+1;
+ strEntryName2 = strEntryName1;
+ strEntryName2 += strStave;
+ strEntryName2 += cStave;
+
+ for(Int_t cHS=0; cHS<2; cHS++) {
+
+ halfStave = stave;
+ halfStave += str1Bis;
+ halfStave += cHS;
+ halfStave += str1Tierce;
+ strEntryName3 = strEntryName2;
+ strEntryName3 += strHalfStave;
+ strEntryName3 += cHS;
+
+ if(!gGeoManager->SetAlignableEntry(strEntryName3.Data(),
+ halfStave.Data()))
+ AliFatal(Form("New lay 1: Unable to set alignable entry 3! %s::%s",
+ strEntryName3.Data(),halfStave.Data()));
+
+ for(Int_t cLad=0; cLad<2; cLad++) {
+
+ modUID = AliGeomManager::LayerToVolUID(layerId,modnum++);
+ module = halfStave;
+ module += str2;
+ module += cLad+cHS*2+1;
+ strEntryName4 = strEntryName3;
+ strEntryName4 += strLadder;
+ strEntryName4 += cLad+cHS*2;
+ if(!gGeoManager->SetAlignableEntry(strEntryName4.Data(),module.Data(),modUID))
+ AliFatal(Form("New lay 1: Unable to set alignable entry 4! %s::%s",
+ strEntryName4.Data(),module.Data()));
+
+ SetT2Lmatrix(modUID, 0.0081, kTRUE, kTRUE);
+ // 0.0081 is the shift between the centers of alignable
+ // and sensitive volumes. It is directly extracted from
+ // the new SPD geometry
+ } // end for cLad
+ } // end for cHS
+ } // end for cStave
+ } // end for cSect
+
+ layerId = AliGeomManager::kSPD2;
+ modnum = 0;
+ str1 = "/ITSSPDSensitiveVirtualvolumeM0_1/ITSSPDlay2-Stave_";
+ str2 = "/ITSSPDlay2-Ladder_";
+
+ for(Int_t cSect = 0; cSect<10; cSect++) {
+
+ sector = str0;
+ sector += cSect+1; // this is one full sector
+ strEntryName1 = strSPD;
+ strEntryName1 += 1;
+ strEntryName1 += strSector;
+ strEntryName1 += cSect;
+
+ for(Int_t cStave=0; cStave<4; cStave++) {
+
+ stave = sector;
+ stave += str1;
+ stave += cStave+1;
+ strEntryName2 = strEntryName1;
+ strEntryName2 += strStave;
+ strEntryName2 += cStave;
+
+ for(Int_t cHS=0; cHS<2; cHS++) {
+
+ halfStave = stave;
+ halfStave += str1Bis;
+ halfStave += cHS;
+ halfStave += str1Tierce;
+ strEntryName3 = strEntryName2;
+ strEntryName3 += strHalfStave;
+ strEntryName3 += cHS;
+
+ if(!gGeoManager->SetAlignableEntry(strEntryName3.Data(),
+ halfStave.Data()))
+ AliFatal(Form("New lay 2: Unable to set alignable entry 3! %s::%s",
+ strEntryName3.Data(),halfStave.Data()));
+
+ for(Int_t cLad=0; cLad<2; cLad++) {
+
+ modUID = AliGeomManager::LayerToVolUID(layerId,modnum++);
+ module = halfStave;
+ module += str2;
+ module += cLad+cHS*2 +1;
+ strEntryName4 = strEntryName3;
+ strEntryName4 += strLadder;
+ strEntryName4 += cLad+cHS*2;
+ if(!gGeoManager->SetAlignableEntry(strEntryName4.Data(),module.Data(),modUID))
+ AliFatal(Form("New lay 2: Unable to set alignable entry 4! %s::%s",
+ strEntryName4.Data(),module.Data()));
+
+ SetT2Lmatrix(modUID, -0.0081, kFALSE);
+ } // end for cLad
+ } // end for cHS
+ } // end for cStave
+ } // cSect
+
+ //===== SDD layers =====
+
+ layerId = AliGeomManager::kSDD1;
+ modnum = 0;
+
+ str0 = "/ALIC_1/ITSV_1/ITSsddLayer3_1/ITSsddLadd_"; // SDD layer1
+ str1 = "/ITSsddSensor3_";
+
+ TString sensor;
+
+ for(Int_t c1 = 0; c1<14; c1++) {
+
+ ladder = str0;
+ ladder += c1; // the set of wafers from one ladder
+ strEntryName1 = strSDD;
+ strEntryName1 += 2;
+ strEntryName1 +=strLadder;
+ strEntryName1 += c1;
+ //printf("%s == %s\n",strEntryName1.Data(),ladder.Data());
+ if(!gGeoManager->SetAlignableEntry(strEntryName1.Data(),ladder.Data()))
+ AliFatal(Form("Unable to set alignable entry 1! %s :: %s",
+ strEntryName1.Data(),ladder.Data()));
+
+ for(Int_t c2 =0; c2<6; c2++) {
+
+ modUID = AliGeomManager::LayerToVolUID(layerId,modnum++);
+ sensor = ladder;
+ sensor += str1;
+ sensor += c2;
+ strEntryName2 = strEntryName1;
+ strEntryName2 += strSensor;
+ strEntryName2 += c2;
+ //printf("%s == %s\n",strEntryName2.Data(),wafer.Data());
+ if(!gGeoManager->SetAlignableEntry(strEntryName2.Data(),sensor.Data(),modUID))
+ AliFatal(Form("Unable to set alignable entry 2! %s :: %s",
+ strEntryName2.Data(),sensor.Data()));
+
+ SetT2Lmatrix(modUID, 0, kFALSE, c2>=3);
+ }
+ }
+
+ layerId = AliGeomManager::kSDD2;
+ modnum = 0;
+ str0 = "/ALIC_1/ITSV_1/ITSsddLayer4_1/ITSsddLadd_"; // SDD layer2
+ str1 = "/ITSsddSensor4_";
+
+ for(Int_t c1 = 0; c1<22; c1++) {
+
+ ladder = str0;
+ ladder += c1; // the set of wafers from one ladder
+ strEntryName1 = strSDD;
+ strEntryName1 += 3;
+ strEntryName1 += strLadder;
+ strEntryName1 += c1;
+ //printf("%s == %s\n",strEntryName1.Data(),ladder.Data());
+ if(!gGeoManager->SetAlignableEntry(strEntryName1.Data(),ladder.Data()))
+ AliFatal(Form("Unable to set alignable entry 1! %s :: %s",
+ strEntryName1.Data(),ladder.Data()));
+
+ for(Int_t c2 =0; c2<8; c2++) {
+
+ modUID = AliGeomManager::LayerToVolUID(layerId,modnum++);
+ sensor = ladder;
+ sensor += str1;
+ sensor += c2;
+ strEntryName2 = strEntryName1;
+ strEntryName2 += strSensor;
+ strEntryName2 += c2;
+ //printf("%s == %s\n",strEntryName2.Data(),wafer.Data());
+ if(!gGeoManager->SetAlignableEntry(strEntryName2.Data(),sensor.Data(),modUID))
+ AliFatal(Form("Unable to set alignable entry 2! %s :: %s",
+ strEntryName2.Data(),sensor.Data()));
+
+ SetT2Lmatrix(modUID, 0, kFALSE, c2>=4);
+ }
+ }
+
+ //===== SSD layers =====
+
+ layerId = AliGeomManager::kSSD1;
+ modnum = 0;
+
+ str0 = "/ALIC_1/ITSV_1/ITSssdLayer5_1/ITSssdLay5Ladd_";//SSD layer1
+ str1 = "/ITSssdSensor5_";
+ str2 = "";
+
+ TString wafer;
+
+ for(Int_t c1 = 0; c1<34; c1++) {
+
+ ladder = str0;
+ ladder += c1; // the set of wafers from one ladder
+ strEntryName1 = strSSD;
+ strEntryName1 += 4;
+ strEntryName1 += strLadder;
+ strEntryName1 += c1;
+ //printf("%s == %s\n",strEntryName1.Data(),ladder.Data());
+ if(!gGeoManager->SetAlignableEntry(strEntryName1.Data(),ladder.Data()))
+ AliFatal(Form("Unable to set alignable entry 1! %s :: %s",
+ strEntryName1.Data(),ladder.Data()));
+
+ for(Int_t c2 =0; c2<22; c2++) {
+
+ modUID = AliGeomManager::LayerToVolUID(layerId,modnum++);
+ wafer = ladder;
+ wafer += str1;
+ wafer += c2;
+ //wafer += str2; // one wafer
+ strEntryName2 = strEntryName1;
+ strEntryName2 += strSensor;
+ strEntryName2 += c2;
+ //printf("%s == %s\n",strEntryName2.Data(),wafer.Data());
+ if(!gGeoManager->SetAlignableEntry(strEntryName2.Data(),wafer.Data(),modUID))
+ AliFatal(Form("Unable to set alignable entry 2! %s :: %s",
+ strEntryName2.Data(),wafer.Data()));
+
+ SetT2Lmatrix(modUID, 0, kFALSE, kFALSE);
+ }
+ }
+
+ layerId = AliGeomManager::kSSD2;
+ modnum = 0;
+ str0 = "/ALIC_1/ITSV_1/ITSssdLayer6_1/ITSssdLay6Ladd_"; // SSD layer2
+ str1 = "/ITSssdSensor6_";
+ str2 = "";
+
+ for(Int_t c1 = 0; c1<38; c1++) {
+
+ ladder = str0;
+ ladder += c1; // the set of wafers from one ladder
+ strEntryName1 = strSSD;
+ strEntryName1 += 5;
+ strEntryName1 += strLadder;
+ strEntryName1 += c1;
+ //printf("%s == %s\n",strEntryName1.Data(),ladder.Data());
+ if(!gGeoManager->SetAlignableEntry(strEntryName1.Data(),ladder.Data()))
+ AliFatal(Form("Unable to set alignable entry 1! %s :: %s",
+ strEntryName1.Data(),ladder.Data()));
+
+ for(Int_t c2 =0; c2<25; c2++) {
+
+ modUID = AliGeomManager::LayerToVolUID(layerId,modnum++);
+ wafer = ladder;
+ wafer += str1;
+ wafer += c2;
+ //wafer += str2; // one wafer
+ strEntryName2 = strEntryName1;
+ strEntryName2 += strSensor;
+ strEntryName2 += c2;
+ //printf("%s == %s\n",strEntryName2.Data(),wafer.Data());
+ if(!gGeoManager->SetAlignableEntry(strEntryName2.Data(),wafer.Data(),modUID))
+ AliFatal(Form("Unable to set alignable entry 2! %s :: %s",
+ strEntryName2.Data(),wafer.Data()));
+
+ SetT2Lmatrix(modUID, 0, kFALSE, kFALSE);
+ }
+ }
+
}
+
//______________________________________________________________________
-void AliITSv11::CutTube(const char gnam[3],const TString &dis,Double_t rmin,
- Double_t rmax,Double_t dz,Double_t phi1,Double_t phi2,
- Double_t lx,Double_t ly,Double_t lz,Double_t hx,
- Double_t hy,Double_t hz,Int_t med){
- // Interface to TMC->Gsvolu() for ITS CTUB geometries. Cut tube. A tube cut
- // at the extremities with planes not necessarily perpendicular tot he z
- // axis. It has 11 parameters. See SetScale() for units. Default units are
- // geant 3 [cm]. phi1 should be smaller than phi2. If this is not the case,
- // the system adds 360 degrees to phi2.
- // Inputs:
- // const char gnam[3] 3 character geant volume name. The letter "I"
- // is appended to the front to indecate that this
- // is an ITS volume.
- // TString &dis String containging part discription.
- // Double_t rmin Inner radius at z=0 where tube is narrowest.
- // Double_t rmax Outer radius at z=0 where tube is narrowest.
- // Double_t dz half-length along the z-axis
- // Double_t dz half-length along the z-axis
- // Double_t phi1 Starting angle of the segment [degree].
- // Double_t phi2 Ending angle of the segment [degree].
- // Double_t lx x component of a unit vector perpendicular to
- // the face at -dz.
- // Double_t ly y component of a unit vector perpendicular to
- // the face at -dz.
- // Double_t lz z component of a unit vector perpendicular to
- // the face at -dz.
- // Double_t hx x component of a unit vector perpendicular to
- // the face at +dz.
- // Double_t hy y component of a unit vector perpendicular to
- // the face at +dz.
- // Double_t hz z component of a unit vector perpendicular to
- // the face at +dz.
- // Int_t med media index number.
- // Output:
- // none.
- // Return.
- // none.
- char name[4];
- Float_t param[11];
-
- param[0] = fScale*rmin;
- param[1] = fScale*rmax;
- param[2] = fScale*dz;
- param[3] = phi1;
- param[4] = phi2;
- param[5] = lx;
- param[6] = ly;
- param[7] = lz;
- param[8] = hx;
- param[9] = hy;
- param[10] = hz;
- name[0] = 'I';
- for(Int_t i=0;i<3;i++) name[i+1] = gnam[i];
- gMC->Gsvolu(name,"CTUB",fidmed[med],param,11);
+void AliITSv11::CreateGeometry()
+{
+ // Create the geometry and insert it in ALIC
+
+ TGeoManager *geoManager = gGeoManager;
+
+ TGeoVolume *vALIC = geoManager->GetVolume("ALIC");
+
+ // This part is really ugly, needs to be redone
+ new TGeoVolumeAssembly("ITSV");
+ new TGeoVolumeAssembly("ITSS");
+
+ TGeoVolume *vITSV = geoManager->GetVolume("ITSV");
+ TGeoVolume *vITSS = geoManager->GetVolume("ITSS");
+
+ vALIC->AddNode(vITSV, 1, 0);
+ vALIC->AddNode(vITSS, 1, 0);
+
+ //
+ const Char_t *cvsDate="$Date$";
+ const Char_t *cvsRevision="$Revision$";
+ const Int_t kLength=100;
+ Char_t vstrng[kLength];
+ if(fInitGeom.WriteVersionString(vstrng,kLength,(AliITSVersion_t)IsVersion(),
+ fMinorVersion,cvsDate,cvsRevision)) {
+ vITSV->SetTitle(vstrng);
+ vITSS->SetTitle(vstrng);
+ }
+
+ fSPDgeom->SPDSector(vITSV);
+
+ fSDDgeom->Layer3(vITSV);
+ fSDDgeom->Layer4(vITSV);
+ fSDDgeom->ForwardLayer3(vITSV);
+ fSDDgeom->ForwardLayer4(vITSV);
+
+ fSSDgeom->Layer5(vITSV);
+ fSSDgeom->Layer6(vITSV);
+ fSSDgeom->LadderSupportLayer5(vITSV);
+ fSSDgeom->LadderSupportLayer6(vITSV);
+ fSSDgeom->EndCapSupportSystemLayer6(vITSV);
+ fSSDgeom->EndCapSupportSystemLayer5(vITSV);
+
+ fSupgeom->SPDCone(vITSV);
+ fSupgeom->SDDCone(vITSV);
+ fSupgeom->SSDCone(vITSV);
+
+ fSDDgeom->SDDCables(vITSV);
+ fSSDgeom->SSDCables(vITSV);
+ fSupgeom->ServicesCableSupport(vITSS);
+
+ fSupgeom->ITSTPCSupports(vITSS);
+
}
+
//______________________________________________________________________
-void AliITSv11::Pos(const char vol[3],Int_t cn,const char moth[3],Double_t x,
- Double_t y,Double_t z,Int_t irot){
- // Place a copy of a volume previously defined by a call to GSVOLU inside
- // its mother volulme moth.
+void AliITSv11::CreateMaterials()
+{
+ // Create ITS materials
+ // This function defines the default materials used in the Geant
+ // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
+ // AliITSv11.
+ // In general it is automatically replaced by
+ // the CreateMaterials routine defined in AliITSv?. Should the function
+ // CreateMaterials not exist for the geometry version you are using this
+ // one is used. See the definition found in AliITSv5 or the other routine
+ // for a complete definition.
// Inputs:
- // const char vol[3] 3 character geant volume name. The letter "I"
- // is appended to the front to indecate that this
- // is an ITS volume.
- // const char moth[3] 3 character geant volume name of the mother volume
- // in which vol will be placed. The letter "I" is
- // appended to the front to indecate that this is an
- // ITS volume.
- // Double_t x The x positon of the volume in the mother's
- // reference system
- // Double_t y The y positon of the volume in the mother's
- // reference system
- // Double_t z The z positon of the volume in the mother's
- // reference system
- // Int_t irot the index for the rotation matrix to be used.
- // irot=-1 => unit rotation.
+ // none.
// Outputs:
- // none.
+ // none.
// Return:
- // none.
- char name[4],mother[4];
- Float_t param[3];
- Int_t r=0,i;
-
- param[0] = x;
- param[1] = y;
- param[2] = z;
- name[0] = 'I';
- for(i=0;i<3;i++) name[i+1] = vol[i];
- mother[0] = 'I';
- for(i=0;i<3;i++) mother[i+1] = moth[i];
- if(irot>=0) r=fidrot[irot];
- fMC->Gspos(name,mother,param[0],param[1],param[2],r,"ONLY");
+ // none.
+
+ Int_t ifield = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
+ Float_t fieldm = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
+
+ Float_t tmaxfd = 0.1; // 1.0; // Degree
+ Float_t stemax = 1.0; // cm
+ Float_t deemax = 0.1; // 30.0; // Fraction of particle's energy 0<deemax<=1
+ Float_t epsil = 1.0E-4; // 1.0; // cm
+ Float_t stmin = 0.0; // cm "Default value used"
+
+ Float_t tmaxfdSi = 0.1; // .10000E+01; // Degree
+ Float_t stemaxSi = 0.0075; // .10000E+01; // cm
+ Float_t deemaxSi = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1
+ Float_t epsilSi = 1.0E-4;// .10000E+01;
+ Float_t stminSi = 0.0; // cm "Default value used"
+
+ Float_t tmaxfdAir = 0.1; // .10000E+01; // Degree
+ Float_t stemaxAir = .10000E+01; // cm
+ Float_t deemaxAir = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1
+ Float_t epsilAir = 1.0E-4;// .10000E+01;
+ Float_t stminAir = 0.0; // cm "Default value used"
+
+ Float_t tmaxfdServ = 1.0; // 10.0; // Degree
+ Float_t stemaxServ = 1.0; // 0.01; // cm
+ Float_t deemaxServ = 0.5; // 0.1; // Fraction of particle's energy 0<deemax<=1
+ Float_t epsilServ = 1.0E-3; // 0.003; // cm
+ Float_t stminServ = 0.0; //0.003; // cm "Default value used"
+
+ // Freon PerFluorobuthane C4F10 see
+ // http://st-support-cooling-electronics.web.cern.ch/
+ // st-support-cooling-electronics/default.htm
+ Float_t afre[2] = { 12.011,18.9984032 };
+ Float_t zfre[2] = { 6., 9. };
+ Float_t wfre[2] = { 4.,10. };
+ Float_t densfre = 1.52;
+
+
+ //CM55J
+
+ Float_t aCM55J[4]={12.0107,14.0067,15.9994,1.00794};
+ Float_t zCM55J[4]={6.,7.,8.,1.};
+ Float_t wCM55J[4]={0.908508078,0.010387573,0.055957585,0.025146765};
+ Float_t dCM55J = 1.8;
+
+ //ALCM55J
+
+ Float_t aALCM55J[5]={12.0107,14.0067,15.9994,1.00794,26.981538};
+ Float_t zALCM55J[5]={6.,7.,8.,1.,13.};
+ Float_t wALCM55J[5]={0.817657902,0.0093488157,0.0503618265,0.0226320885,0.1};
+ Float_t dALCM55J = 1.9866;
+
+ //Si Chips
+
+ Float_t aSICHIP[6]={12.0107,14.0067,15.9994,1.00794,28.0855,107.8682};
+ Float_t zSICHIP[6]={6.,7.,8.,1.,14., 47.};
+ Float_t wSICHIP[6]={0.039730642,0.001396798,0.01169634,0.004367771,0.844665,0.09814344903};
+ Float_t dSICHIP = 2.36436;
+
+ //Inox
+
+ Float_t aINOX[9]={12.0107,54.9380, 28.0855,30.9738,32.066,58.6928,51.9961,95.94,55.845};
+ Float_t zINOX[9]={6.,25.,14.,15.,16., 28.,24.,42.,26.};
+ Float_t wINOX[9]={0.0003,0.02,0.01,0.00045,0.0003,0.12,0.17,0.025,0.654};
+ Float_t dINOX = 8.03;
+
+ //AISI 304 L (from F.Tosello's web page - M.S. 18 Oct 10)
+
+ Float_t a304L[8]={12.0107,54.9380, 28.0855,30.9738,32.066,58.6928,51.9961,55.845};
+ Float_t z304L[8]={6.,25.,14.,15.,16., 28.,24.,26.};
+ Float_t w304L[8]={0.0003,0.02,0.01,0.00045,0.003,0.0925,0.19,0.6865};
+ Float_t d304L = 8.03;
+
+ //SDD HV microcable
+
+ Float_t aHVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
+ Float_t zHVm[5]={6.,1.,7.,8.,13.};
+ Float_t wHVm[5]={0.520088819984,0.01983871336,0.0551367996,0.157399667056, 0.247536};
+ Float_t dHVm = 1.6087;
+
+ //SDD LV+signal cable
+
+ Float_t aLVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
+ Float_t zLVm[5]={6.,1.,7.,8.,13.};
+ Float_t wLVm[5]={0.21722436468,0.0082859922,0.023028867,0.06574077612, 0.68572};
+ Float_t dLVm = 2.1035;
+
+ //SDD hybrid microcab
+
+ Float_t aHLVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
+ Float_t zHLVm[5]={6.,1.,7.,8.,13.};
+ Float_t wHLVm[5]={0.24281879711,0.00926228815,0.02574224025,0.07348667449, 0.64869};
+ Float_t dHLVm = 2.0502;
+
+ //SDD anode microcab
+
+ Float_t aALVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
+ Float_t zALVm[5]={6.,1.,7.,8.,13.};
+ Float_t wALVm[5]={0.392653705471,0.0128595919215,0.041626868025,0.118832707289, 0.431909};
+ Float_t dALVm = 2.0502;
+
+ //X7R capacitors - updated from F.Tosello's web page - M.S. 18 Oct 10
+
+ Float_t aX7R[6]={137.327,47.867,15.9994,58.6928,63.5460,118.710};
+ Float_t zX7R[6]={56.,22.,8.,28.,29.,50.};
+ Float_t wX7R[6]={0.524732,0.176736,0.179282,0.079750,0.019750,0.019750};
+ Float_t dX7R = 6.07914;
+
+ //X7R weld, i.e. Sn 60% Pb 40% (from F.Tosello's web page - M.S. 15 Oct 10)
+
+ Float_t aX7Rweld[2]={118.71 , 207.20};
+ Float_t zX7Rweld[2]={ 50. , 82. };
+ Float_t wX7Rweld[2]={ 0.60 , 0.40};
+ Float_t dX7Rweld = 8.52358;
+
+ // AIR
+
+ Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
+ Float_t zAir[4]={6.,7.,8.,18.};
+ Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
+ Float_t dAir = 1.20479E-3;
+
+ // Water
+
+ Float_t aWater[2]={1.00794,15.9994};
+ Float_t zWater[2]={1.,8.};
+ Float_t wWater[2]={0.111894,0.888106};
+ Float_t dWater = 1.0;
+
+ // CERAMICS
+ // 94.4% Al2O3 , 2.8% SiO2 , 2.3% MnO , 0.5% Cr2O3
+ Float_t acer[5] = { 26.981539,15.9994,28.0855,54.93805,51.9961 };
+ Float_t zcer[5] = { 13., 8., 14., 25., 24. };
+ Float_t wcer[5] = {.4443408,.5213375,.0130872,.0178135,.003421};
+ Float_t denscer = 3.6;
+
+ //G10FR4
+
+ Float_t zG10FR4[14] = {14.00, 20.00, 13.00, 12.00, 5.00, 22.00, 11.00, 19.00, 26.00, 9.00, 8.00, 6.00, 7.00, 1.00};
+ Float_t aG10FR4[14] = {28.0855000,40.0780000,26.9815380,24.3050000,10.8110000,47.8670000,22.9897700,39.0983000,55.8450000,18.9984000,15.9994000,12.0107000,14.0067000,1.0079400};
+ Float_t wG10FR4[14] = {0.15144894,0.08147477,0.04128158,0.00904554,0.01397570,0.00287685,0.00445114,0.00498089,0.00209828,0.00420000,0.36043788,0.27529426,0.01415852,0.03427566};
+ Float_t densG10FR4= 1.8;
+
+ //--- EPOXY --- C18 H19 O3
+ Float_t aEpoxy[3] = {15.9994, 1.00794, 12.0107} ;
+ Float_t zEpoxy[3] = { 8., 1., 6.} ;
+ Float_t wEpoxy[3] = { 3., 19., 18.} ;
+ Float_t dEpoxy = 1.8 ;
+
+ // rohacell: C9 H13 N1 O2
+ Float_t arohac[4] = {12.01, 1.01, 14.010, 16.};
+ Float_t zrohac[4] = { 6., 1., 7., 8.};
+ Float_t wrohac[4] = { 14., 10., 2., 6.};
+ Float_t drohac = 0.052;
+
+ // If he/she means stainless steel (inox) + Aluminium and Zeff=15.3383 then
+//
+// %Al=81.6164 %inox=100-%Al
+
+ Float_t aInAl[5] = {27., 55.847,51.9961,58.6934,28.0855 };
+ Float_t zInAl[5] = {13., 26.,24.,28.,14. };
+ Float_t wInAl[5] = {.816164, .131443,.0330906,.0183836,.000919182};
+ Float_t dInAl = 3.075;
+
+ // Aluminum alloy with 12% Copper - 21 Oct 10
+
+ Float_t aAlCu12[2] = {26.9815, 63.546};
+ Float_t zAlCu12[2] = {13. , 29. };
+ Float_t wAlCu12[2] = { 0.88 , 0.12 };
+ Float_t dAlCu12 = 2.96;
+
+ // Kapton
+
+ Float_t aKapton[4]={1.00794,12.0107, 14.010,15.9994};
+ Float_t zKapton[4]={1.,6.,7.,8.};
+ Float_t wKapton[4]={0.026362,0.69113,0.07327,0.209235};
+ Float_t dKapton = 1.42;
+
+ // Kapton + Cu (for Pixel Bus)
+
+ Float_t aKaptonCu[5]={1.00794, 12.0107, 14.010, 15.9994, 63.5460};
+ Float_t zKaptonCu[5]={1., 6., 7., 8., 29.};
+ Float_t wKaptonCuBus[5];
+
+ // Kapton + Cu (for Pixel MCM)
+
+ Float_t wKaptonCuMCM[5];
+
+ // Kapton + Cu (mix of two above)
+
+ Float_t wKaptonCuMix[5];
+
+ //SDD ruby sph.
+ Float_t aAlOxide[2] = { 26.981539,15.9994};
+ Float_t zAlOxide[2] = { 13., 8.};
+ Float_t wAlOxide[2] = {0.4707, 0.5293};
+ Float_t dAlOxide = 3.97;
+
+ // Silica for optical fibers: Si O2
+ Float_t aoptfib[2] = { 28.0855, 15.9994};
+ Float_t zoptfib[2] = { 14., 8. };
+ Float_t woptfib[2] = { 1., 2. };
+ Float_t doptfib = 2.55;
+
+ // Tetrafluorethylene-Perfluorpropylene (FEP) - 08 Mar 10
+ Float_t aFEP[2] = { 12.0107, 18.9984};
+ Float_t zFEP[2] = { 6. , 9. };
+ Float_t wFEP[2] = { 1. , 2. };
+ Float_t dFEP = 2.15;
+
+ // PVC (C2H3Cl)n - 08 Jul 10
+ Float_t aPVC[3] = { 12.0107, 1.00794, 35.4527};
+ Float_t zPVC[3] = { 6. , 1. , 35. };
+ Float_t wPVC[3] = { 2. , 3. , 1. };
+ Float_t dPVC = 1.3;
+
+ // PBT (Polybutylene terephthalate = C12-H12-O4) - 01 Sep 10
+ Float_t aPBT[3] = { 12.0107, 1.00794, 15.9994};
+ Float_t zPBT[3] = { 6. , 1. , 8. };
+ Float_t wPBT[3] = { 12. ,12. , 4. };
+ Float_t dPBT = 1.31;
+
+ // POLYAX (POLYAX = C37-H24-O6-N2) - 03 Sep 10
+ Float_t aPOLYAX[4] = { 12.0107, 1.00794, 15.9994, 14.00674};
+ Float_t zPOLYAX[4] = { 6. , 1. , 8. , 7. };
+ Float_t wPOLYAX[4] = { 37. ,24. , 6. , 2. };
+ Float_t dPOLYAX = 1.27;
+
+ // PPS (PPS = C6-H4-S) - 05 Sep 10
+ Float_t aPPS[3] = { 12.0107, 1.00794, 32.066};
+ Float_t zPPS[3] = { 6. , 1. , 16. };
+ Float_t wPPS[3] = { 6. , 4. , 1. };
+ Float_t dPPS = 1.35;
+
+ // Megolon (Polyolefin = (C-H2)n) - 20 Oct 10
+ Float_t aMegolon[2] = { 12.0107, 1.00794};
+ Float_t zMegolon[2] = { 6. , 1. };
+ Float_t wMegolon[2] = { 1. , 2. };
+ Float_t dMegolon = 1.51; // Mean of various types
+
+ // Standard glass (from glassproperties.com/glasses - M.S. 21 Oct 10)
+ Float_t aStdGlass[7] = {15.9994 ,28.0855 ,22.98977 ,40.078 ,
+ 24.305 ,26.981539,39.0983 };
+ Float_t zStdGlass[7] = { 8. ,14. ,11. ,20. ,
+ 12. ,13. ,19. };
+ Float_t wStdGlass[7] = { 0.468377, 0.348239, 0.096441, 0.071469,
+ 0.006030, 0.005293, 0.004151};
+ Float_t dStdGlass = 2.53;
+
+ // Glass Fiber (from F.Tosello's web page - M.S. 15 Oct 10)
+ Float_t aGlass[11] = {15.9994 ,28.0855 ,40.078 ,26.981539,10.811 ,
+ 24.305 ,39.0983 ,22.98977 ,18.9984 ,47.867 ,55.845};
+ Float_t zGlass[11] = { 8. ,14. ,20 ,13 , 5 ,
+ 12. ,19 ,11 , 9 ,22 ,26 };
+ Float_t wGlass[11] = { 0.473610, 0.252415, 0.135791, 0.068803, 0.023293,
+ 0.015076, 0.008301, 0.007419, 0.007000, 0.004795, 0.003497};
+ Float_t dGlass = 2.61;
+
+ // Ryton R-4 04 (from F.Tosello's web page - M.S. 15 Oct 10)
+ Float_t aRyton[14] = {15.9994 ,28.0855 ,40.078 ,26.981539,10.811 ,
+ 24.305 ,39.0983 ,22.98977 ,18.9984 ,47.867 ,
+ 55.845 ,12.0107 , 1.00794 ,32.066 };
+ Float_t zRyton[14] = { 8. ,14. ,20. ,13. , 5. ,
+ 12. ,19. ,11. , 9. ,22. ,
+ 26. , 6. , 1. ,16. };
+ Float_t wRyton[14] = { 0.189445, 0.100966, 0.054316, 0.027521, 0.009317,
+ 0.006030, 0.003320, 0.002968, 0.002800, 0.001918,
+ 0.001399, 0.399760, 0.022365, 0.177875};
+ Float_t dRyton = 1.65;
+
+ // Plexiglas (Poly(methyl methacrylate) (C5O2H8)n - M.S. 05 nov 10)
+ Float_t aPlexy[3] = { 12.0107, 15.9994, 1.00794};
+ Float_t zPlexy[3] = { 6. , 8. , 1. };
+ Float_t wPlexy[3] = { 5. , 2. , 8. };
+ Float_t dPlexy = 1.18;
+
+ //SSD NiSn capacitor ends
+ Float_t aNiSn[2] = { 56.6934,118.710};
+ Float_t zNiSn[2] = { 28., 50.};
+ Float_t wNiSn[2] = {0.33, 0.67};
+ Float_t dNiSn = wNiSn[0]*8.908 + wNiSn[1]*7.310;
+
+ AliMaterial(1,"SI$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
+ AliMedium(1,"SI$",1,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
+
+ AliMaterial(2,"SPD SI CHIP$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
+ AliMedium(2,"SPD SI CHIP$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
+
+ AliMaterial(3,"SPD SI BUS$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
+ AliMedium(3,"SPD SI BUS$",3,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
+
+ AliMixture(4,"C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
+ AliMedium(4,"C (M55J)$",4,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(5,"AIR$",aAir,zAir,dAir,4,wAir);
+ AliMedium(5,"AIR$",5,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
+
+ AliMixture(6,"GEN AIR$",aAir,zAir,dAir,4,wAir);
+ AliMedium(6,"GEN AIR$",6,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
+
+ AliMixture(7,"SDD SI CHIP$",aSICHIP,zSICHIP,dSICHIP,6,wSICHIP);
+ AliMedium(7,"SDD SI CHIP$",7,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
+
+ AliMixture(9,"SDD C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
+ AliMedium(9,"SDD C (M55J)$",9,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(10,"SDD AIR$",aAir,zAir,dAir,4,wAir);
+ AliMedium(10,"SDD AIR$",10,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
+
+ AliMaterial(11,"AL$",0.26982E+02,0.13000E+02,0.26989E+01,0.89000E+01,0.99900E+03);
+ AliMedium(11,"AL$",11,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(12, "Water$",aWater,zWater,dWater,2,wWater);
+ AliMedium(12,"WATER$",12,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(13,"Freon$",afre,zfre,densfre,-2,wfre);
+ AliMedium(13,"Freon$",13,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMaterial(14,"COPPER$",0.63546E+02,0.29000E+02,0.89600E+01,0.14300E+01,0.99900E+03);
+ AliMedium(14,"COPPER$",14,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+ AliMixture(15,"CERAMICS$",acer,zcer,denscer,5,wcer);
+ AliMedium(15,"CERAMICS$",15,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(20,"SSD C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
+ AliMedium(20,"SSD C (M55J)$",20,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(21,"SSD AIR$",aAir,zAir,dAir,4,wAir);
+ AliMedium(21,"SSD AIR$",21,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
+
+ AliMixture(25,"G10FR4$",aG10FR4,zG10FR4,densG10FR4,14,wG10FR4);
+ AliMedium(25,"G10FR4$",25,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(26,"GEN C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
+ AliMedium(26,"GEN C (M55J)$",26,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(27,"GEN Air$",aAir,zAir,dAir,4,wAir);
+ AliMedium(27,"GEN Air$",27,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
+
+ AliMixture(35,"PLEXYGLAS$",aPlexy,zPlexy,dPlexy,-3,wPlexy);
+ AliMedium(35,"PLEXYGLAS$",35,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(36,"STDGLASS$",aStdGlass,zStdGlass,dStdGlass,7,wStdGlass);
+ AliMedium(36,"STDGLASS$",36,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(37,"ALCU12$",aAlCu12,zAlCu12,dAlCu12,2,wAlCu12);
+ AliMedium(37,"ALCU12$",37,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(38,"MEGOLON$",aMegolon,zMegolon,dMegolon,-2,wMegolon);
+ AliMedium(38,"MEGOLON$",38,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(39,"RYTON$",aRyton,zRyton,dRyton,14,wRyton);
+ AliMedium(39,"RYTON$",39,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(40,"GLASS FIBER$",aGlass,zGlass,dGlass,11,wGlass);
+ AliMedium(40,"GLASS FIBER$",40,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(41,"AISI304L$",a304L,z304L,d304L,8,w304L);
+ AliMedium(41,"AISI304L$",41,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMaterial(42,"NICKEL$",0.58693E+02,0.28000E+02,0.89080E+01,0.14200E+01,0.99900E+03);
+ AliMedium(42,"NICKEL$",42,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(43,"SDD X7R weld$",aX7Rweld,zX7Rweld,dX7Rweld,2,wX7Rweld);
+ AliMedium(43,"SDD X7R weld$",43,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(44,"PPS$",aPPS,zPPS,dPPS,-3,wPPS);
+ AliMedium(44,"PPS$",44,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(45,"POLYAX$",aPOLYAX,zPOLYAX,dPOLYAX,-4,wPOLYAX);
+ AliMedium(45,"POLYAX$",45,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(46,"PBT$",aPBT,zPBT,dPBT,-3,wPBT);
+ AliMedium(46,"PBT$",46,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(47,"PVC$",aPVC,zPVC,dPVC,-3,wPVC);
+ AliMedium(47,"PVC$",47,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ Double_t cuFrac = 0.56;
+ Double_t kFrac = 1.0 - cuFrac;
+ Double_t cuDens = 8.96;
+ Float_t dKaptonCuBus = cuFrac * cuDens + kFrac * dKapton;
+ for (Int_t j=0; j<4; j++)
+ wKaptonCuBus[j] = wKapton[j]*kFrac;
+ wKaptonCuBus[4] = cuFrac;
+ AliMixture(48, "SPD-BUS CU KAPTON", aKaptonCu, zKaptonCu, dKaptonCuBus, 5, wKaptonCuBus);
+ AliMedium(48,"SPD-BUS CU KAPTON$",48,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ cuFrac = 0.5;
+ kFrac = 1.0 - cuFrac;
+ Float_t dKaptonCuMCM = cuFrac * cuDens + kFrac * dKapton;
+ for (Int_t j=0; j<4; j++)
+ wKaptonCuMCM[j] = wKapton[j]*kFrac;
+ wKaptonCuMCM[4] = cuFrac;
+ AliMixture(49, "SPD-MCM CU KAPTON", aKaptonCu, zKaptonCu, dKaptonCuMCM, 5, wKaptonCuMCM);
+ AliMedium(49,"SPD-MCM CU KAPTON$",49,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ cuFrac = (0.56 + 0.5) / 2.0;
+ kFrac = 1.0 - cuFrac;
+ Float_t dKaptonCuMix = cuFrac * cuDens + kFrac * dKapton;
+ for (Int_t j=0; j<4; j++)
+ wKaptonCuMix[j] = wKapton[j]*kFrac;
+ wKaptonCuMix[4] = cuFrac;
+ AliMixture(50, "SPD-MIX CU KAPTON", aKaptonCu, zKaptonCu, dKaptonCuMix, 5, wKaptonCuMix);
+ AliMedium(50,"SPD-MIX CU KAPTON$",50,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMaterial(51,"SPD SI$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
+ AliMedium(51,"SPD SI$",51,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
+
+ AliMaterial(52,"SPD SI CHIP$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
+ AliMedium(52,"SPD SI CHIP$",52,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
+
+ AliMaterial(53,"SPD SI BUS$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
+ AliMedium(53,"SPD SI BUS$",53,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
+
+ AliMixture(54,"SPD C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
+ AliMedium(54,"SPD C (M55J)$",54,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(55,"SPD AIR$",aAir,zAir,dAir,4,wAir);
+ AliMedium(55,"SPD AIR$",55,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
+
+ AliMixture(56, "SPD KAPTON(POLYCH2)", aKapton, zKapton, dKapton, 4, wKapton);
+ AliMedium(56,"SPD KAPTON(POLYCH2)$",56,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ // Gaseous Freon has same chemical composition but air density at 1.7 atm
+ AliMixture(59,"GASEOUS FREON$",afre,zfre,1.7*dAir,-2,wfre);
+ AliMedium(59,"GASEOUS FREON$",59,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(61,"EPOXY$",aEpoxy,zEpoxy,dEpoxy,-3,wEpoxy);
+ AliMedium(61,"EPOXY$",61,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMaterial(62,"SILICON$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
+ AliMedium(62,"SILICON$",62,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
+
+ AliMixture(63, "KAPTONH(POLYCH2)", aKapton, zKapton, dKapton, 4, wKapton);
+ AliMedium(63,"KAPTONH(POLYCH2)$",63,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMaterial(64,"ALUMINUM$",0.26982E+02,0.13000E+02,0.26989E+01,0.89000E+01,0.99900E+03);
+ AliMedium(64,"ALUMINUM$",64,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(65,"INOX$",aINOX,zINOX,dINOX,9,wINOX);
+ AliMedium(65,"INOX$",65,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(66,"NiSn$",aNiSn,zNiSn,dNiSn,2,wNiSn);
+ AliMedium(66,"NiSn$",66,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMaterial(67,"Sn$", 118.710, 50., 7.310, 1.206, 999.);
+ AliMedium(67,"Sn$",67,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(68,"ROHACELL$",arohac,zrohac,drohac,-4,wrohac);
+ AliMedium(68,"ROHACELL$",68,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(69,"SDD C AL (M55J)$",aALCM55J,zALCM55J,dALCM55J,5,wALCM55J);
+ AliMedium(69,"SDD C AL (M55J)$",69,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(70, "SDDKAPTON (POLYCH2)", aKapton, zKapton, dKapton, 4, wKapton);
+ AliMedium(70,"SDDKAPTON (POLYCH2)$",70,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMaterial(71,"ITS SANDW A$",0.12011E+02,0.60000E+01,0.2115E+00,0.17479E+03,0.99900E+03);
+ AliMedium(71,"ITS SANDW A$",71,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMaterial(72,"ITS SANDW B$",0.12011E+02,0.60000E+01,0.27000E+00,0.18956E+03,0.99900E+03);
+ AliMedium(72,"ITS SANDW B$",72,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMaterial(73,"ITS SANDW C$",0.12011E+02,0.60000E+01,0.41000E+00,0.90868E+02,0.99900E+03);
+ AliMedium(73,"ITS SANDW C$",73,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMaterial(74,"HEAT COND GLUE$",0.12011E+02,0.60000E+01,0.1930E+01,0.22100E+02,0.99900E+03);
+ AliMedium(74,"HEAT COND GLUE$",74,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMaterial(75,"ELASTO SIL$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
+ AliMedium(75,"ELASTO SIL$",75,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ // SPD bus (data from Petra Riedler)
+ Float_t aSPDbus[5] = {1.00794,12.0107,14.01,15.9994,26.982 };
+ Float_t zSPDbus[5] = {1.,6.,7.,8.,13.};
+ Float_t wSPDbus[5] = {0.023523,0.318053,0.009776,0.078057,0.570591};
+ Float_t dSPDbus = 2.128505;
+
+ // AliMaterial(76,"SPDBUS(AL+KPT+EPOX)$",0.19509E+02,0.96502E+01,0.19060E+01,0.15413E+02,0.99900E+03);
+ AliMixture(76,"SPDBUS(AL+KPT+EPOX)$",aSPDbus,zSPDbus,dSPDbus,5,wSPDbus);
+ AliMedium(76,"SPDBUS(AL+KPT+EPOX)$",76,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(77,"SDD X7R capacitors$",aX7R,zX7R,dX7R,6,wX7R);
+ AliMedium(77,"SDD X7R capacitors$",77,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(78,"SDD ruby sph. Al2O3$",aAlOxide,zAlOxide,dAlOxide,2,wAlOxide);
+ AliMedium(78,"SDD ruby sph. Al2O3$",78,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMaterial(79,"SDD SI insensitive$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
+ AliMedium(79,"SDD SI insensitive$",79,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(80,"SDD HV microcable$",aHVm,zHVm,dHVm,5,wHVm);
+ AliMedium(80,"SDD HV microcable$",80,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(81,"SDD LV+signal cable$",aLVm,zLVm,dLVm,5,wLVm);
+ AliMedium(81,"SDD LV+signal cable$",81,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(82,"SDD hybrid microcab$",aHLVm, zHLVm,dHLVm,5,wHLVm);
+ AliMedium(82,"SDD hybrid microcab$",82,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(83,"SDD anode microcab$",aALVm,zALVm,dALVm,5,wALVm);
+ AliMedium(83,"SDD anode microcab$",83,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+ Float_t aDSring[4]={12.0107, 1.00794, 14.0067, 15.9994};
+ Float_t zDSring[4]={ 6., 1., 7., 8.};
+ Float_t wDSring[4]={ 0.854323888, 0.026408778, 0.023050265, 0.096217069};
+ Float_t dDSring = 0.2875;
+ AliMixture(84,"SDD/SSD rings$",aDSring,zDSring,dDSring,4,wDSring);
+ AliMedium(84,"SDD/SSD rings$",84,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(85,"inox/alum$",aInAl,zInAl,dInAl,5,wInAl);
+ AliMedium(85,"inox/alum$",85,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ // special media to take into account services in the SDD and SSD
+ // cones for the FMD
+ //Begin_Html
+ /*
+ <A HREF="http://www.Physics.ohio-state.edu/~nilsen/ITS/ITS_MatBudget_4B.xls">
+ </pre>
+ <br clear=left>
+ <font size=+2 color=blue>
+ <p> The Exel spread sheet from which these density number come from.
+ </font></A>
+ */
+ //End_Html
+
+ // AliMaterial(86,"AIRFMDSDD$",0.14610E+02,0.73000E+01,0.12050E-02,0.30423E+05,0.99900E+03);
+ Float_t aA[13],zZ[13],wW[13],den;
+ // From Pierluigi Barberis calculations of 2SPD+1SDD October 2 2002.
+ zZ[0] = 1.0; aA[0] = 1.00794; // Hydrogen
+ zZ[1] = 6.0; aA[1] = 12.011; // Carbon
+ zZ[2] = 7.0; aA[2] = 14.00674; // Nitrogen
+ zZ[3] = 8.0; aA[3] = 15.9994; // Oxigen
+ zZ[4] = 14.0; aA[4] = 28.0855; // Silicon
+ zZ[5] = 24.0; aA[5] = 51.9961; //Cromium
+ zZ[6] = 25.0; aA[6] = 54.938049; // Manganese
+ zZ[7] = 26.0; aA[7] = 55.845; // Iron
+ zZ[8] = 28.0; aA[8] = 58.6934; // Nickle
+ zZ[9] = 29.0; aA[9] = 63.546; // Copper
+ zZ[10] = 13.0; aA[10] = 26.981539; // Alulminum
+ zZ[11] = 47.0; aA[11] = 107.8682; // Silver
+ zZ[12] = 27.0; aA[12] = 58.9332; // Cobolt
+ wW[0] = 0.019965;
+ wW[1] = 0.340961;
+ wW[2] = 0.041225;
+ wW[3] = 0.200352;
+ wW[4] = 0.000386;
+ wW[5] = 0.001467;
+ wW[6] = 0.000155;
+ wW[7] = 0.005113;
+ wW[8] = 0.000993;
+ wW[9] = 0.381262;
+ wW[10] = 0.008121;
+ wW[11] = 0.000000;
+ wW[12] = 0.000000;
+ if(fByThick){// New values seeITS_MatBudget_4B.xls
+ den = 1.5253276; // g/cm^3 Cell O370
+ }else{
+ den = 2.58423412; // g/cm^3 Cell L370
+ } // end if fByThick
+ //den = 6161.7/(3671.58978);//g/cm^3 Volume does not exclude holes
+ AliMixture(86,"AIRFMDSDD$",aA,zZ,den,+11,wW);
+ AliMedium(86,"AIRFMDSDD$",86,0,ifield,fieldm,tmaxfdAir,stemaxAir,
+ deemaxAir,epsilAir,stminAir);
+
+ //AliMaterial(87,"AIRFMDSSD$",0.14610E+02,0.73000E+01,0.12050E-02,0.30423E+05,0.99900E+03);
+ // From Pierluigi Barberis calculations of SSD October 2 2002.
+ wW[0] = 0.019777;
+ wW[1] = 0.325901;
+ wW[2] = 0.031848;
+ wW[3] = 0.147668;
+ wW[4] = 0.030609;
+ wW[5] = 0.013993;
+ wW[6] = 0.001479;
+ wW[7] = 0.048792;
+ wW[8] = 0.009477;
+ wW[9] = 0.350697;
+ wW[10] = 0.014546;
+ wW[11] = 0.005213;
+ wW[12] = 0.000000;
+ if(fByThick){// New values seeITS_MatBudget_4B.xls
+ den = 1.2464275; // g/cm^3 Cell O403
+ }else{
+ den = 1.28134409; // g/cm^3 Cell L403
+ } // end if fByThick
+ //den = 7666.3/(9753.553259); // volume does not exclude holes
+ AliMixture(87,"AIRFMDSSD$",aA,zZ,den,+12,wW);
+ AliMedium(87,"AIRFMDSSD$",87,0,ifield,fieldm,tmaxfdAir,stemaxAir,
+ deemaxAir,epsilAir,stminAir);
+
+ //AliMaterial(88,"ITS SANDW CFMDSDD$",0.12011E+02,0.60000E+01,0.41000E+00,0.90868E+02,0.99900E+03);
+ // From Pierluigi Barberis calculations of 1SDD+Carbon fiber October 2 2002
+ wW[0] = 0.016302;
+ wW[1] = 0.461870;
+ wW[2] = 0.033662;
+ wW[3] = 0.163595;
+ wW[4] = 0.000315;
+ wW[5] = 0.001197;
+ wW[6] = 0.000127;
+ wW[7] = 0.004175;
+ wW[8] = 0.000811;
+ wW[9] = 0.311315;
+ wW[10] = 0.006631;
+ wW[11] = 0.000000;
+ wW[12] = 0.000000;
+ if(fByThick){// New values seeITS_MatBudget_4B.xls
+ den = 1.9353276; // g/cm^3 Cell N370
+ }else{
+ den = 3.2788626; // g/cm^3 Cell F370
+ } // end if fByThick
+ //den = 7667.1/(3671.58978); // Volume does not excludeholes
+ AliMixture(88,"ITS SANDW CFMDSDD$",aA,zZ,den,+11,wW);
+ AliMedium(88,"ITS SANDW CFMDSDD$",88,0,ifield,fieldm,tmaxfd,stemax,
+ deemax,epsil,stmin);
+
+ //AliMaterial(89,"ITS SANDW CFMDSSD$",0.12011E+02,0.60000E+01,0.41000E+00,0.90868E+02,0.99900E+03);
+ // From Pierluigi Barberis calculations of SSD+Carbon fiber October 2 2002.
+ wW[0] = 0.014065;
+ wW[1] = 0.520598;
+ wW[2] = 0.022650;
+ wW[3] = 0.105018;
+ wW[4] = 0.021768;
+ wW[5] = 0.009952;
+ wW[6] = 0.001051;
+ wW[7] = 0.034700;
+ wW[8] = 0.006740;
+ wW[9] = 0.249406;
+ wW[10] = 0.010345;
+ wW[11] = 0.0003707;
+ wW[12] = 0.000000;
+ if(fByThick){// New values seeITS_MatBudget_4B.xls
+ den = 1.6564275; // g/cm^3 Cell N304
+ }else{
+ den = 1.7028296; // g/cm^3 Cell F304
+ } // end if fByThick
+ //den = 1166.5/(3671.58978); // Volume does not exclude holes
+ AliMixture(89,"ITS SANDW CFMDSSD$",aA,zZ,den,+12,wW);
+ AliMedium(89,"ITS SANDW CFMDSSD$",89,0,ifield,fieldm,tmaxfd,stemax,
+ deemax,epsil,stmin);
+
+ //AliMaterial(97,"SPD SERVICES$",0.12011E+02,0.60000E+01,0.41000E+00,0.90868E+02,0.99900E+03);
+ // From Pierluigi Barberis calculations of 1SPD October 2 2002.
+ wW[0] = 0.005970;
+ wW[1] = 0.304704;
+ wW[2] = 0.042510;
+ wW[3] = 0.121715;
+ wW[4] = 0.001118;
+ wW[5] = 0.030948;
+ wW[6] = 0.003270;
+ wW[7] = 0.107910;
+ wW[8] = 0.020960;
+ wW[9] = 0.360895;
+ wW[10] = 0.000000;
+ wW[11] = 0.000000;
+ wW[12] = 0.000000;
+ if(fByThick){// New values seeITS_MatBudget_4B.xls
+ den = 80.31136576; // g/cm^3 Cell H329
+ }else{
+ den = 87.13062; // g/cm^3 Cell G329
+ } // end if fByThick
+ //den = 1251.3/(0.05*2.0*TMath::Pi()*(7.75*7.75 - 3.7*3.7)); // g/cm^3
+ AliMixture(97,"SPD SERVICES$",aA,zZ,den,+10,wW);
+ AliMedium(97,"SPD SERVICES$",97,0,ifield,fieldm,tmaxfd,stemax,
+ deemax,epsil,stmin);
+
+
+ // Special media
+
+ AliMaterial(90,"SPD shield$", 12.011, 6., 1.93 , 22.36, 999);
+ AliMedium(90,"SPD shield$",90,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
+
+ // SPD End Ladder (data from Petra Riedler)
+ Float_t aSPDel[5] = {1.00794,12.0107,14.01,15.9994,63.54 };
+ Float_t zSPDel[5] = {1.,6.,7.,8.,29.};
+ Float_t wSPDel[5] = {0.004092,0.107274,0.011438,0.032476,0.844719};
+ Float_t dSPDel = 3.903403;
+
+ // AliMaterial(91, "SPD End ladder$", 47.0447, 21.7963, 3.6374, 4.4711, 999);
+ AliMixture(91,"SPD End ladder$",aSPDel,zSPDel,dSPDel,5,wSPDel);
+ AliMedium(91,"SPD End ladder$",91,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
+
+ AliMaterial(92, "SPD cone$",28.0855, 14., 2.33, 9.36, 999);
+ AliMedium(92,"SPD cone$",92,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
+ /* Material with fractional Z not actually used
+ AliMaterial(93, "SDD End ladder$", 69.9298, 29.8246, 0.3824, 36.5103, 999);
+ AliMedium(93,"SDD End ladder$",93,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
+ */
+ AliMaterial(94, "SDD cone$",63.546, 29., 1.15, 1.265, 999);
+ AliMedium(94,"SDD cone$",94,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
+ /* Material with fractional Z not actually used
+ AliMaterial(95, "SSD End ladder$", 32.0988, 15.4021, 0.68, 35.3238, 999);
+ AliMedium(95,"SSD End ladder$",95,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
+ */
+ AliMaterial(96, "SSD cone$",63.546, 29., 1.15, 1.265, 999);
+ AliMedium(96,"SSD cone$",96,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
+
+ AliMixture(98,"SDD OPTICFIB$",aoptfib,zoptfib,doptfib,-2,woptfib);
+ AliMedium(98,"SDD OPTICFIB$",98,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ AliMixture(95,"SSD FEP$",aFEP,zFEP,dFEP,-2,wFEP);
+ AliMedium(95,"SSD FEP$",95,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ // Mean material for low-voltage cables on SPD trays Side A
+ // (Copper + PolyEthylene (C2-H4)) (D.Elia for cable number and
+ // cross-section area, M.Sitta for elemental computation) - 26 Feb 10
+ wW[0] = 0.323024;//H
+ wW[2] = 0.515464;//Cu
+ wW[1] = 0.161512;//C
+ wW[3] = 0.000000;//O
+ wW[4] = 0.000000;//S
+ wW[5] = 0.000000;//F
+ wW[6] = 0.000000;//Sn
+ wW[7] = 0.000000;//Pb
+ wW[8] = 0.000000;//Cr
+ wW[9] = 0.000000;//Si
+ wW[10] = 0.000000;//Ni
+ wW[11] = 0.000000;//Ca
+
+ den = 5.078866;
+ AliMixture(60,"SPD_LOWCABLES$",aA,zZ,den,+3,wW);
+ AliMedium(60,"SPD_LOWCABLES$",60,0,ifield,fieldm,tmaxfd,stemax,
+ deemax,epsil,stmin);
+
+ // Mean material for high-voltage cables on SPD trays Side A & C
+ // (Copper + HD PolyEthylene (C2-H2)) (D.Elia for cable number and
+ // cross-section area, M.Sitta for elemental computation) - 10 Jun 10
+ wW[0] = 0.083766;//H
+ wW[2] = 0.417136;//Cu
+ wW[1] = 0.499098;//C
+ wW[3] = 0.000000;//O
+ wW[4] = 0.000000;//S
+ wW[5] = 0.000000;//F
+ wW[6] = 0.000000;//Sn
+ wW[7] = 0.000000;//Pb
+ wW[8] = 0.000000;//Cr
+ wW[9] = 0.000000;//Si
+ wW[10] = 0.000000;//Ni
+ wW[11] = 0.000000;//Ca
+
+ den = 1.514930;
+ AliMixture(58,"SPD_HICABLES$",aA,zZ,den,+3,wW);
+ AliMedium(58,"SPD_HICABLES$",58,0,ifield,fieldm,tmaxfd,stemax,
+ deemax,epsil,stmin);
+
+ // PolyUrethane [C25-H42-N2-O6] - 07 Mar 10
+ zZ[2] = 7.0; aA[2] = 14.0067; // Nitrogen - From Root TGeoElementTable
+
+ wW[0] = 0.090724;//H
+ wW[2] = 0.060035;//N
+ wW[1] = 0.643513;//C
+ wW[3] = 0.205728;//O
+ wW[4] = 0.000000;//S
+ wW[5] = 0.000000;//F
+ wW[6] = 0.000000;//Sn
+ wW[7] = 0.000000;//Pb
+ wW[8] = 0.000000;//Cr
+ wW[9] = 0.000000;//Si
+ wW[10] = 0.000000;//Ni
+ wW[11] = 0.000000;//Ca
+
+ den = 1.158910;
+ AliMixture(67,"POLYURETHANE$",aA,zZ,den,+4,wW);
+ AliMedium(67,"POLYURETHANE$",67,0,ifield,fieldm,tmaxfd,stemax,
+ deemax,epsil,stmin);
+
+ // POM (Polyoxymethylene = (CH2O)n ) - 02 May 10
+ zZ[2] = 8.0; aA[2] = 15.9994; // Oxigen
+
+ wW[0] = 0.067137;//H
+ wW[1] = 0.400016;//C
+ wW[2] = 0.532847;//O
+ wW[3] = 0.000000;//O
+ wW[4] = 0.000000;//S
+ wW[5] = 0.000000;//F
+ wW[6] = 0.000000;//Sn
+ wW[7] = 0.000000;//Pb
+ wW[8] = 0.000000;//Cr
+ wW[9] = 0.000000;//Si
+ wW[10] = 0.000000;//Ni
+ wW[11] = 0.000000;//Ca
+
+ den = 1.4200;
+ AliMixture(57,"POLYOXYMETHYLENE$",aA,zZ,den,+3,wW);
+ AliMedium(57,"POLYOXYMETHYLENE$",57,0,ifield,fieldm,tmaxfd,stemax,
+ deemax,epsil,stmin);
+
+
+ // Anticorodal (Aliminum alloy) - 08 nov 10
+ // A,Z from Root TGeoElementTable, W from Web sites
+ zZ[0] = 13.0; aA[0] = 26.9815; // Aluminium
+ zZ[1] = 29.0; aA[1] = 63.546 ; // Copper
+ zZ[2] = 26.0; aA[2] = 55.845 ; // Iron
+ zZ[3] = 25.0; aA[3] = 54.938 ; // Manganese
+ zZ[4] = 12.0; aA[4] = 24.305 ; // Magnesium
+ zZ[5] = 14.0; aA[5] = 28.0855; // Silicon
+ zZ[6] = 30.0; aA[6] = 65.39 ; // Zinc
+ zZ[7] = 24.0; aA[7] = 51.9961; // Chromium
+ zZ[8] = 22.0; aA[8] = 47.867 ; // Titanium
+
+ wW[1] = 0.001000;//Cu
+ wW[2] = 0.005000;//Fe
+ wW[3] = 0.007000;//Mn - mean value
+ wW[4] = 0.009000;//Mg - mean value
+ wW[5] = 0.001000;//Si - mean value
+ wW[6] = 0.002000;//Zn
+ wW[7] = 0.002500;//Cr
+ wW[8] = 0.001000;//Ti
+
+ Double_t totFrac = 0;
+ for (Int_t j=1; j<9; j++)
+ totFrac += wW[j];
+ wW[0] = 1. - totFrac;//Al - the remainder
+
+ den = 2.69;
+ AliMixture(93,"ANTICORODAL$",aA,zZ,den,+9,wW);
+ AliMedium(93,"ANTICORODAL$",93,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ // Hokotol (another Aluminium alloy) - 08 nov 10
+ // A,Z from Root TGeoElementTable, W from Web sites
+ zZ[0] = 13.0; aA[0] = 26.9815; // Aluminium
+ zZ[1] = 29.0; aA[1] = 63.546 ; // Copper
+ zZ[2] = 26.0; aA[2] = 55.845 ; // Iron
+ zZ[3] = 25.0; aA[3] = 54.938 ; // Manganese
+ zZ[4] = 12.0; aA[4] = 24.305 ; // Magnesium
+ zZ[5] = 14.0; aA[5] = 28.0855; // Silicon
+ zZ[6] = 30.0; aA[6] = 65.39 ; // Zinc
+ zZ[7] = 24.0; aA[7] = 51.9961; // Chromium
+ zZ[8] = 22.0; aA[8] = 47.867 ; // Titanium
+ zZ[9] = 40.0; aA[9] = 91.224 ; // Zirconium
+
+ wW[1] = 0.020500;//Cu - mean value
+ wW[2] = 0.000300;//Fe
+ wW[3] = 0.022000;//Mn - mean value
+ wW[4] = 0.001000;//Mg - mean value
+ wW[5] = 0.002000;//Si - mean value
+ wW[6] = 0.066500;//Zn
+ wW[7] = 0.005000;//Cr
+ wW[8] = 0.000600;//Ti
+ wW[9] = 0.001650;//Zr - mean value
+
+ totFrac = 0;
+ for (Int_t j=1; j<10; j++)
+ totFrac += wW[j];
+ wW[0] = 1. - totFrac;//Al - the remainder
+
+ den = 2.69;
+ AliMixture(34,"HOKOTOL$",aA,zZ,den,+10,wW);
+ AliMedium(34,"HOKOTOL$",34,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
+ // Ergal (7075) (yet another Aluminium alloy) - 09 nov 10
+ // A,Z from Root TGeoElementTable, W from Web sites
+ zZ[0] = 13.0; aA[0] = 26.9815; // Aluminium
+ zZ[1] = 29.0; aA[1] = 63.546 ; // Copper
+ zZ[2] = 26.0; aA[2] = 55.845 ; // Iron
+ zZ[3] = 25.0; aA[3] = 54.938 ; // Manganese
+ zZ[4] = 12.0; aA[4] = 24.305 ; // Magnesium
+ zZ[5] = 14.0; aA[5] = 28.0855; // Silicon
+ zZ[6] = 30.0; aA[6] = 65.39 ; // Zinc
+ zZ[7] = 24.0; aA[7] = 51.9961; // Chromium
+ zZ[8] = 22.0; aA[8] = 47.867 ; // Titanium
+
+ wW[1] = 0.016000;//Cu - mean value
+ wW[2] = 0.005000;//Fe
+ wW[3] = 0.003000;//Mn
+ wW[4] = 0.025000;//Mg - mean value
+ wW[5] = 0.004000;//Si
+ wW[6] = 0.056000;//Zn - mean value
+ wW[7] = 0.002300;//Cr - mean value
+ wW[8] = 0.002000;//Ti
+
+ totFrac = 0;
+ for (Int_t j=1; j<9; j++)
+ totFrac += wW[j];
+ wW[0] = 1. - totFrac;//Al - the remainder
+
+ den = 2.69;
+ AliMixture(33,"ERGAL$",aA,zZ,den,+9,wW);
+ AliMedium(33,"ERGAL$",33,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
+
}
+
//______________________________________________________________________
-void AliITSv11::Matrix(Int_t irot,Double_t thet1,Double_t phi1,
- Double_t thet2,Double_t phi2,
- Double_t thet3,Double_t phi3){
- // Defines a Geant rotation matrix. checks to see if it is the unit
- // matrix. If so, then no additonal matrix is defined. Stores rotation
- // matrix irot in the data structure JROTM. If the matrix is not
- // orthonormal, it will be corrected by setting y' perpendicular to x'
- // and z' = x' X y'. A warning message is printed in this case.
+void AliITSv11::Init()
+{
+ // Initialise the ITS after it has been created.
// Inputs:
- // Int_t irot Intex specifing which rotation matrix.
- // Double_t thet1 Polar angle for axisw x [degrees].
- // Double_t phi1 azimuthal angle for axis x [degrees].
- // Double_t thet12Polar angle for axisw y [degrees].
- // Double_t phi2 azimuthal angle for axis y [degrees].
- // Double_t thet3 Polar angle for axisw z [degrees].
- // Double_t phi3 azimuthal angle for axis z [degrees].
+ // none.
// Outputs:
- // none.
+ // none.
// Return:
- // none.
- Float_t t1,p1,t2,p2,t3,p3;
+ // none.
- if(thet1==90.0&&phi1==0.0&&thet2==90.0&&phi2==90.0&&thet3==0.0&&phi3==0.0){
- fidrot[irot] = 0; // Unit matrix
- }else{
- t1 = thet1;
- p1 = phi1;
- t2 = thet2;
- p2 = phi2;
- t3 = thet3;
- p3 = phi3
- AliMatrix(fidrot[irot],t1,p1,t2,p2,t3,p3);
- } // end if
+ AliDebug(1,Form("Init: Major version %d Minor version %d",fMajorVersion,
+ fMinorVersion));
+ UpdateInternalGeometry();
+ AliITS::Init();
+
+ fIDMother = gMC->VolId("ITSV"); // ITS Mother Volume ID.
}
+
//______________________________________________________________________
-void AliITSv11::Matrix(Int_t irot,Double_t rot[3][3]){
- // Defines a Geant rotation matrix. checks to see if it is the unit
- // matrix. If so, then no additonal matrix is defined. Stores rotation
- // matrix irot in the data structure JROTM. If the matrix is not
- // orthonormal, it will be corrected by setting y' perpendicular to x'
- // and z' = x' X y'. A warning message is printed in this case.
+void AliITSv11::SetDefaults()
+{
+ // sets the default segmentation, response, digit and raw cluster classes
// Inputs:
- // Int_t irot Intex specifing which rotation matrix.
- // Double_t rot[3][3] The 3 by 3 rotation matrix.
+ // none.
// Outputs:
- // none.
+ // none.
// Return:
- // none.
+ // none.
- if(rot[0][0]==1.0&&rot[1][1]==1.0&&rot[2][2]==1.0&&
- rot[0][1]==0.0&&rot[0][2]==0.0&&rot[1][0]==0.0&&
- rot[1][2]==0.0&&rot[2][0]==0.0&&rot[2][1]==0.0){
- fidrot[irot] = 0; // Unit matrix
- }else{
- Double_t si,c=180./TMath::Pi();
- Double_t ang[6];
-
- ang[1] = TMath::ATan2(rot[0][1],rot[0][0]);
- if(TMath::Cos(ang[1])!=0.0) si = rot[0][0]/TMath::Cos(ang[1]);
- else si = rot[0][1]/TMath::Sin(ang[1]);
- ang[0] = TMath::ATan2(si,rot[0][2]);
-
- ang[3] = TMath::ATan2(rot[1][1],rot[1][0]);
- if(TMath::Cos(ang[3])!=0.0) si = rot[1][0]/TMath::Cos(ang[3]);
- else si = rot[1][1]/TMath::Sin(ang[3]);
- ang[2] = TMath::ATan2(si,rot[1][2]);
-
- ang[5] = TMath::ATan2(rot[2][1],rot[2][0]);
- if(TMath::Cos(ang[5])!=0.0) si = rot[2][0]/TMath::Cos(ang[5]);
- else si = rot[2][1]/TMath::Sin(ang[5]);
- ang[4] = TMath::ATan2(si,rot[2][2]);
-
- for(Int_t i=0;i<6;i++) {ang[i] *= c; if(ang[i]<0.0) ang[i] += 360.;}
- AliMatrix(fidrot[irot],ang[0],ang[1],ang[2],ang[3],ang[4],ang[5]);
- } // end if
+ if(!fDetTypeSim){
+ Warning("SetDefaults","Error fDetTypeSim not defined");
+ return;
+ }
+
+ fDetTypeSim->SetDefaults();
+
+
+ if(fgkNTYPES>3){
+ Warning("SetDefaults",
+ "Only the four basic detector types are initialised!");
+ }// end if
+ return;
}
+
//______________________________________________________________________
-void AliITSv11::Matrix(Int_t irot,Int_t axis,Double_t thet){
- // Defines a Geant rotation matrix. checks to see if it is the unit
- // matrix. If so, then no additonal matrix is defined. Stores rotation
- // matrix irot in the data structure JROTM. If the matrix is not
- // orthonormal, it will be corrected by setting y' perpendicular to x'
- // and z' = x' X y'. A warning message is printed in this case.
+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
+ // it the extra variables and the like used in the printing allocated.
// Inputs:
- // Int_t irot Intex specifing which rotation matrix.
- // Int_t axis Axis about which rotation is to be done.
- // Double_t thet Angle to rotate by [degrees].
+ // none.
// Outputs:
- // none.
+ // none.
// Return:
- // none.
+ // none.
- if(thet==0.0){
- fidrot[irot] = 0; // Unit matrix
- }else{
- switch (irot) {
- case 0: //Rotate about x-axis, x-axis does not change.
- AliMatrix(fidrot[irot],90.0,0.0,90.0+thet,90.0,thet,90.0);
- break;
- case 1: //Rotate about y-axis, y-axis does not change.
- AliMatrix(fidrot[irot],-90.0-thet,0.0,90.0,90.0,thet,90.0);
- break;
- case 2: //Rotate about z-axis, z-axis does not change.
- AliMatrix(fidrot[irot],90.0,thet,90.0,-thet-90.0,0.0,0.0);
- break;
- default:
- Error("Matrix","axis must be either 0, 1, or 2. for matrix=%d",
- irot);
- break;
- } // end if
-}
-//______________________________________________________________________
-void AliITSv11::CreateGeometry(){
-////////////////////////////////////////////////////////////////////////
-// This routine defines and Creates the geometry for version 9 of the ITS.
-////////////////////////////////////////////////////////////////////////
+ if(!(this->IsActive())) return;
+ if(!(gMC->TrackCharge())) return;
+
+ Int_t copy, lay = 0;
+ Int_t id = gMC->CurrentVolID(copy);
+
+ Bool_t notSens = kFALSE;
+ while ((lay<fIdN) && (notSens = id != fIdSens[lay])) ++lay;
+ if (notSens) return;
+
+ if(gMC->IsTrackExiting()) {
+ AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kITS);
+ } // if Outer ITS mother Volume
+
+ static TLorentzVector position, momentum; // Saves on calls to construtors
+ static AliITShit hit;// Saves on calls to constructors
+
+ TClonesArray &lhits = *(Hits());
+ Int_t cpn0, cpn1, mod, status = 0;
+ //
+ // Track status
+ if(gMC->IsTrackInside()) status += 1;
+ if(gMC->IsTrackEntering()) status += 2;
+ if(gMC->IsTrackExiting()) status += 4;
+ if(gMC->IsTrackOut()) status += 8;
+ if(gMC->IsTrackDisappeared()) status += 16;
+ if(gMC->IsTrackStop()) status += 32;
+ if(gMC->IsTrackAlive()) status += 64;
+
+ //
+ // retrieve the indices with the volume path
+ //
+ switch (lay) {
+ case 0:case 1: // SPD
+ gMC->CurrentVolOffID(1,copy); // ladder
+ gMC->CurrentVolOffID(3,cpn1); // stave
+ gMC->CurrentVolOffID(5,cpn0); // sector
+ break;
+ case 2:case 3: // SDD
+ copy = 1;
+ gMC->CurrentVolOffID(2,cpn1);
+ gMC->CurrentVolOffID(3,cpn0);
+ break;
+ case 4:case 5: // SSD
+ copy = 1;
+ gMC->CurrentVolOffID(1,cpn1);
+ gMC->CurrentVolOffID(2,cpn0);
+ break;
+ default:
+ AliError(Form("Invalid value: lay= %d . Not an ITS sensitive volume",lay));
+ return; // not an ITS sensitive volume.
+ } //
+
+ fInitGeom.DecodeDetector(mod,lay+1,cpn0,cpn1,copy);
+ // We should not need to pass by the switch !
+ // This is time consuming...
+ // therefore DecodeDetectorv11(...) shouldn't be private !
+ // and we should be able to use instead :
+ //fInitGeom.DecodeDetectorv11(mod,lay+1,cpn0,cpn1,copy);
+
+ //
+ // Fill hit structure.
+ //
+ hit.SetModule(mod);
+ hit.SetTrack(gAlice->GetMCApp()->GetCurrentTrackNumber());
+ gMC->TrackPosition(position);
+ gMC->TrackMomentum(momentum);
+ hit.SetPosition(position);
+ hit.SetTime(gMC->TrackTime());
+ hit.SetMomentum(momentum);
+ hit.SetStatus(status);
+ hit.SetEdep(gMC->Edep());
+ hit.SetShunt(GetIshunt());
+ if(gMC->IsTrackEntering()){
+ hit.SetStartPosition(position);
+ hit.SetStartTime(gMC->TrackTime());
+ hit.SetStartStatus(status);
+ return; // don't save entering hit.
+ } // end if IsEntering
+ // Fill hit structure with this new hit.
+ //Info("StepManager","Calling Copy Constructor");
+ new(lhits[fNhits++]) AliITShit(hit); // Use Copy Construtor.
+ // Save old position... for next hit.
+ hit.SetStartPosition(position);
+ hit.SetStartTime(gMC->TrackTime());
+ hit.SetStartStatus(status);
+
+ return;
}