+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * *
+ * Author: The ALICE Off-line Project. *
+ * Contributors are mentioned in the code where appropriate. *
+ * *
+ * Permission to use, copy, modify and distribute this software and its *
+ * documentation strictly for non-commercial purposes is hereby granted *
+ * without fee, provided that the above copyright notice appears in all *
+ * copies and that both the copyright notice and this permission notice *
+ * appear in the supporting documentation. The authors make no claims *
+ * about the suitability of this software for any purpose. It is *
+ * provided "as is" without express or implied warranty. *
+ **************************************************************************/
+
+/*
+$Log$
+Revision 1.23 2000/11/01 14:53:20 cblume
+Merge with TRD-develop
+
+
+Revision 1.17.2.6 2000/10/15 23:29:08 cblume
+Introduced more detailed geometry for the display
+
+Revision 1.17.2.5 2000/10/06 16:49:46 cblume
+Made Getters const
+
+Revision 1.17.2.4 2000/10/04 16:34:57 cblume
+Replace include files by forward declarations
+
+Revision 1.17.2.3 2000/09/22 14:45:17 cblume
+Included changes for the tracking
+
+Revision 1.17.2.2 2000/09/18 13:25:13 cblume
+Included LoadPoints() method to display the TR photons
+
+Revision 1.22 2000/10/02 21:28:19 fca
+Removal of useless dependecies via forward declarations
+
+Revision 1.21 2000/06/09 11:10:07 cblume
+Compiler warnings and coding conventions, next round
+
+Revision 1.20 2000/06/08 18:32:57 cblume
+Make code compliant to coding conventions
+
+Revision 1.19 2000/06/07 16:25:37 cblume
+Try to remove compiler warnings on Sun and HP
+
+Revision 1.18 2000/05/08 16:17:27 cblume
+Merge TRD-develop
+
+Revision 1.21 2000/06/09 11:10:07 cblume
+Compiler warnings and coding conventions, next round
+
+Revision 1.20 2000/06/08 18:32:57 cblume
+Make code compliant to coding conventions
+
+Revision 1.19 2000/06/07 16:25:37 cblume
+Try to remove compiler warnings on Sun and HP
+
+Revision 1.18 2000/05/08 16:17:27 cblume
+Merge TRD-develop
+
+Revision 1.17.2.1 2000/05/08 14:28:59 cblume
+Introduced SetPHOShole() and SetRICHhole(). AliTRDrecPoint container is now a TObjArray
+
+Revision 1.17 2000/02/28 19:10:26 cblume
+Include the new TRD classes
+
+Revision 1.16.2.2 2000/02/28 17:53:24 cblume
+Introduce TRD geometry classes
+
+Revision 1.16.2.1 2000/02/28 17:04:19 cblume
+Include functions and data members for AliTRDrecPoint
+
+Revision 1.16 2000/01/19 17:17:35 fca
+Introducing a list of lists of hits -- more hits allowed for detector now
+
+Revision 1.15 1999/11/02 17:04:25 fca
+Small syntax change for HP compiler
+
+Revision 1.14 1999/11/02 16:57:02 fca
+Avoid non ansi warnings on HP compilers
+
+Revision 1.13 1999/11/02 16:35:56 fca
+New version of TRD introduced
+
+Revision 1.12 1999/11/01 20:41:51 fca
+Added protections against using the wrong version of FRAME
+
+Revision 1.11 1999/09/29 09:24:34 fca
+Introduction of the Copyright and cvs Log
+
+*/
+
///////////////////////////////////////////////////////////////////////////////
// //
// Transition Radiation Detector //
// This class contains the basic functions for the Transition Radiation //
-// detector. Functions specific to one particular geometry are //
-// contained in the derived classes //
-// //
-//Begin_Html
-/*
-<img src="gif/AliTRDClass.gif">
-*/
-//End_Html
-// //
+// Detector. //
// //
///////////////////////////////////////////////////////////////////////////////
+#include <stdlib.h>
+#include <iostream.h>
+
#include <TMath.h>
-#include <TRandom.h>
-#include <TVector.h>
-#include <TGeometry.h>
#include <TNode.h>
-#include <TObjectTable.h>
-#include <TBRIK.h>
+#include <TGeometry.h>
+#include <TTree.h>
#include <TPGON.h>
-#include "GParticle.h"
-#include "AliTRD.h"
#include "AliRun.h"
-#include <iostream.h>
-#include <fstream.h>
-
-#include "TGeant3.h"
+#include "AliConst.h"
+#include "AliDigit.h"
+#include "AliMagF.h"
+#include "AliMC.h"
+#include "AliTRD.h"
+#include "AliTRDhit.h"
+#include "AliTRDpoints.h"
+#include "AliTRDdigit.h"
+#include "AliTRDdigitizer.h"
+#include "AliTRDclusterizer.h"
+#include "AliTRDgeometryHole.h"
+#include "AliTRDgeometryFull.h"
+#include "AliTRDrecPoint.h"
+#include "AliTRDdigitsManager.h"
+
ClassImp(AliTRD)
//_____________________________________________________________________________
//
// Default constructor
//
- fIshunt = 0;
+
+ fIshunt = 0;
+ fGasMix = 0;
+ fHits = 0;
+ fDigits = 0;
+
+ fRecPoints = 0;
+ fNRecPoints = 0;
+
+ fGeometry = 0;
+
+ fGasDensity = 0;
+ fFoilDensity = 0;
+
+ fDrawTR = 0;
+ fDisplayType = 0;
+
}
//_____________________________________________________________________________
// Standard constructor for the TRD
//
- //
+ // Check that FRAME is there otherwise we have no place where to
+ // put TRD
+ AliModule* frame = gAlice->GetModule("FRAME");
+ if (!frame) {
+ Error("Ctor","TRD needs FRAME to be present\n");
+ exit(1);
+ }
+
+ // Define the TRD geometry according to the FRAME geometry
+ if (frame->IsVersion() == 0) {
+ // Geometry with hole
+ fGeometry = new AliTRDgeometryHole();
+ }
+ else if (frame->IsVersion() == 1) {
+ // Geometry without hole
+ fGeometry = new AliTRDgeometryFull();
+ }
+ else {
+ Error("Ctor","Could not find valid FRAME version\n");
+ exit(1);
+ }
+
// Allocate the hit array
-
- fHits = new TClonesArray("AliTRDhit", 405);
-
+ fHits = new TClonesArray("AliTRDhit" ,405);
+ gAlice->AddHitList(fHits);
+
+ // Allocate the digits array
+ fDigits = 0;
+
+ // Allocate the rec point array
+ fRecPoints = new TObjArray(400);
+ fNRecPoints = 0;
+
+ fIshunt = 0;
+ fGasMix = 0;
+
+ fGasDensity = 0;
+ fFoilDensity = 0;
+
+ fDrawTR = 0;
+ fDisplayType = 0;
+
+ SetMarkerColor(kWhite);
+
+}
+
+//_____________________________________________________________________________
+AliTRD::AliTRD(const AliTRD &trd)
+{
+ //
+ // Copy constructor
+ //
+
+ ((AliTRD &) trd).Copy(*this);
+
+}
+
+//_____________________________________________________________________________
+AliTRD::~AliTRD()
+{
+ //
+ // TRD destructor
+ //
+
fIshunt = 0;
+
+ delete fGeometry;
+ delete fHits;
+ delete fRecPoints;
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::AddRecPoint(Float_t *pos, Int_t *digits, Int_t det, Float_t amp
+ , Int_t *tracks)
+{
+ //
+ // Add a reconstructed point for the TRD
+ //
+
+ AliTRDrecPoint *recPoint = new AliTRDrecPoint();
+ TVector3 posVec(pos[0],pos[1],pos[2]);
+ recPoint->SetLocalPosition(posVec);
+ recPoint->SetDetector(det);
+ recPoint->SetEnergy(amp);
+ for (Int_t iDigit = 0; iDigit < 3; iDigit++) {
+ recPoint->AddDigit(digits[iDigit]);
+ }
+
+ recPoint->AddTrackIndex(tracks);
+
+ recPoint->SetTrackingYZ(0.,0.); // variance values set inside
+ fRecPoints->Add(recPoint);
+
+}
+//___________________________________________
+void AliTRD::SDigits2Digits()
+{
+ //
+ // Create digits
+ //
+ AliTRDdigitizer *Digitizer = new AliTRDdigitizer("digitizer","TRD digitizer class");
+
+ // Set the parameter
+ Digitizer->SetDiffusion();
+ Digitizer->SetVerbose(1);
- SetMarkerColor(kWhite);
+ //Digitizer->SetExB();
+ //Digitizer->SetElAttach();
+ //Digitizer->SetAttachProb();
+
+ Digitizer->InitDetector();
+
+ // Create the digits
+ Digitizer->MakeDigits();
+ cout<<"After MakeDigits"<<endl;
+
+ // Write the digits into the input file
+ if (Digitizer->Digits()->MakeBranch(fDigitsFile))
+ {
+ Digitizer->WriteDigits();
+ cout<<"After write digits"<<endl;
+
+ // Save the digitizer class in the AliROOT
+ Digitizer->Write();
+ cout<<"After write digitizer"<<endl;
+ }
}
-
+
//_____________________________________________________________________________
-void AliTRD::AddHit(Int_t track, Int_t *vol, Float_t *hits)
+void AliTRD::AddDigit(Int_t *digits, Int_t *amp)
+{
+ //
+ // Add a digit for the TRD
+ //
+
+ TClonesArray &ldigits = *fDigits;
+ new(ldigits[fNdigits++]) AliTRDdigit(kFALSE,digits,amp);
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::AddHit(Int_t track, Int_t det, Float_t *hits, Int_t q)
{
//
// Add a hit for the TRD
//
+
TClonesArray &lhits = *fHits;
- new(lhits[fNhits++]) AliTRDhit(fIshunt,track,vol,hits);
+ new(lhits[fNhits++]) AliTRDhit(fIshunt,track,det,hits,q);
+
}
//_____________________________________________________________________________
//
// Create the ROOT TNode geometry for the TRD
//
- TNode *Node, *Top;
+
+ TNode *node, *top;
TPGON *pgon;
+
+ Float_t rmin, rmax;
+ Float_t zmax1, zmax2;
+
const Int_t kColorTRD = 46;
- //
+
// Find the top node alice
- Top=gAlice->GetGeometry()->GetNode("alice");
+ top = gAlice->GetGeometry()->GetNode("alice");
+
+ switch (fDisplayType) {
+
+ case 0:
+
+ pgon = new TPGON("S_TRD","TRD","void",0,360,AliTRDgeometry::Nsect(),4);
+ rmin = AliTRDgeometry::Rmin();
+ rmax = AliTRDgeometry::Rmax();
+ pgon->DefineSection(0,-AliTRDgeometry::Zmax1(),rmax,rmax);
+ pgon->DefineSection(1,-AliTRDgeometry::Zmax2(),rmin,rmax);
+ pgon->DefineSection(2, AliTRDgeometry::Zmax2(),rmin,rmax);
+ pgon->DefineSection(3, AliTRDgeometry::Zmax1(),rmax,rmax);
+ top->cd();
+ node = new TNode("TRD","TRD","S_TRD",0,0,0,"");
+ node->SetLineColor(kColorTRD);
+ fNodes->Add(node);
+
+ break;
+
+ case 1:
+
+ Float_t slope = (AliTRDgeometry::Zmax1() - AliTRDgeometry::Zmax2())
+ / (AliTRDgeometry::Rmax() - AliTRDgeometry::Rmin());
+
+ rmin = AliTRDgeometry::Rmin() + AliTRDgeometry::RaThick();
+ rmax = rmin + AliTRDgeometry::DrThick();
+ zmax2 = AliTRDgeometry::Zmax2() + slope * AliTRDgeometry::RaThick();
+ zmax1 = zmax2 + slope * AliTRDgeometry::DrThick();
+ Char_t name[7];
+
+ for (Int_t iPlan = 0; iPlan < AliTRDgeometry::Nplan(); iPlan++) {
+
+ sprintf(name,"S_TRD%d",iPlan);
+ pgon = new TPGON(name,"TRD","void",0,360,AliTRDgeometry::Nsect(),4);
+ pgon->DefineSection(0,-zmax1,rmax,rmax);
+ pgon->DefineSection(1,-zmax2,rmin,rmax);
+ pgon->DefineSection(2, zmax2,rmin,rmax);
+ pgon->DefineSection(3, zmax1,rmax,rmax);
+ top->cd();
+ node = new TNode("TRD","TRD",name,0,0,0,"");
+ node->SetLineColor(kColorTRD);
+ fNodes->Add(node);
+
+ Float_t height = AliTRDgeometry::Cheight() + AliTRDgeometry::Cspace();
+ rmin = rmin + height;
+ rmax = rmax + height;
+ zmax1 = zmax1 + slope * height;
+ zmax2 = zmax2 + slope * height;
+
+ }
+
+ break;
+
+ };
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::Copy(TObject &trd)
+{
//
- pgon = new TPGON("S_TRD","TRD","void",0,360,18,2);
- pgon->DefineSection(0,-351.2,285.335,355.686);
- pgon->DefineSection(1, 351.2,285.335,355.686);
- Top->cd();
- Node = new TNode("TRD","TRD","S_TRD",0,0,0,"");
- Node->SetLineColor(kColorTRD);
- fNodes->Add(Node);
+ // Copy function
+ //
+
+ ((AliTRD &) trd).fGasMix = fGasMix;
+ ((AliTRD &) trd).fGeometry = fGeometry;
+ ((AliTRD &) trd).fRecPoints = fRecPoints;
+ ((AliTRD &) trd).fNRecPoints = fNRecPoints;
+ ((AliTRD &) trd).fGasDensity = fGasDensity;
+ ((AliTRD &) trd).fFoilDensity = fFoilDensity;
+ ((AliTRD &) trd).fDrawTR = fDrawTR;
+ ((AliTRD &) trd).fDisplayType = fDisplayType;
+
+ //AliDetector::Copy(trd);
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::CreateGeometry()
+{
+ //
+ // Creates the volumes for the TRD chambers
+ //
+
+ // Check that FRAME is there otherwise we have no place where to put the TRD
+ AliModule* frame = gAlice->GetModule("FRAME");
+ if (!frame) {
+ printf(" The TRD needs the FRAME to be defined first\n");
+ return;
+ }
+
+ fGeometry->CreateGeometry(fIdtmed->GetArray() - 1299);
+
}
//_____________________________________________________________________________
// Origin Y.Foka
//
- AliMC* pMC = AliMC::GetMC();
+ Int_t isxfld = gAlice->Field()->Integ();
+ Float_t sxmgmx = gAlice->Field()->Max();
- Int_t ISXFLD = gAlice->Field()->Integ();
- Float_t SXMGMX = gAlice->Field()->Max();
-
- // --- For polyethilene (CH2)
- Float_t ape[2] = { 12.,1. };
- Float_t zpe[2] = { 6.,1. };
- Float_t wpe[2] = { .33,.67 };
- Float_t dpe = .95;
- // --- For mylar (C5H4O2)
- Float_t amy[3] = { 12.,1.,16. };
- Float_t zmy[3] = { 6.,1.,8. };
- Float_t wmy[3] = { 5.,4.,2. };
+ // For polyethilene (CH2)
+ Float_t ape[2] = { 12., 1. };
+ Float_t zpe[2] = { 6., 1. };
+ Float_t wpe[2] = { 1., 2. };
+ Float_t dpe = 0.95;
+
+ // For mylar (C5H4O2)
+ Float_t amy[3] = { 12., 1., 16. };
+ Float_t zmy[3] = { 6., 1., 8. };
+ Float_t wmy[3] = { 5., 4., 2. };
Float_t dmy = 1.39;
- // --- For CO2
- Float_t aco[2] = { 12.,16. };
- Float_t zco[2] = { 6.,8. };
- Float_t wco[2] = { 1.,2. };
- Float_t dco = .001977;
- // --- For Xe/CO2-gas-mixture
- // --- Xe-content of the gas-mixture (90% / 10%)
- Float_t fxe = .9;
+
+ // For CO2
+ Float_t aco[2] = { 12., 16. };
+ Float_t zco[2] = { 6., 8. };
+ Float_t wco[2] = { 1., 2. };
+ Float_t dco = 0.001977;
+
+ // For water
+ Float_t awa[2] = { 1., 16. };
+ Float_t zwa[2] = { 1., 8. };
+ Float_t wwa[2] = { 2., 1. };
+ Float_t dwa = 1.0;
+
+ // For isobutane (C4H10)
+ Float_t ais[2] = { 12., 1. };
+ Float_t zis[2] = { 6., 1. };
+ Float_t wis[2] = { 4., 10. };
+ Float_t dis = 0.00267;
+
+ // For Xe/CO2-gas-mixture
+ // Xe-content of the Xe/CO2-mixture (90% / 10%)
+ Float_t fxc = .90;
+ // Xe-content of the Xe/Isobutane-mixture (97% / 3%)
+ Float_t fxi = .97;
Float_t dxe = .005858;
- // --- General tracking parameter
+ // General tracking parameter
Float_t tmaxfd = -10.;
Float_t stemax = -1e10;
- Float_t deemax = -.1;
- Float_t epsil = 1e-4;
- Float_t stmin = -.001;
+ Float_t deemax = -0.1;
+ Float_t epsil = 1e-4;
+ Float_t stmin = -0.001;
Float_t absl, radl, d, buf[1];
- Float_t agm[2], dgm, zgm[2], wgm[2];
- Int_t nbuf;
+ Float_t agm[2], zgm[2], wgm[2];
+ Float_t dgm1, dgm2;
+ Int_t nbuf;
+ //////////////////////////////////////////////////////////////////////////
// Define Materials
+ //////////////////////////////////////////////////////////////////////////
+
+ AliMaterial( 1, "Al $", 26.98, 13.0, 2.7 , 8.9 , 37.2);
+ AliMaterial( 2, "Air$", 14.61, 7.3, 0.001205, 30420.0 , 67500.0);
+ AliMaterial( 4, "Xe $", 131.29, 54.0, dxe , 1447.59, 0.0);
+ AliMaterial( 5, "Cu $", 63.54, 29.0, 8.96 , 1.43, 14.8);
+ AliMaterial( 6, "C $", 12.01, 6.0, 2.265 , 18.8 , 74.4);
+ AliMaterial(12, "G10$", 20.00, 10.0, 1.7 , 19.4 , 999.0);
+
+ // Mixtures
+ AliMixture(3, "Polyethilene$", ape, zpe, dpe, -2, wpe);
+ AliMixture(7, "Mylar$", amy, zmy, dmy, -3, wmy);
+ AliMixture(8, "CO2$", aco, zco, dco, -2, wco);
+ AliMixture(9, "Isobutane$", ais, zis, dis, -2, wis);
+ AliMixture(13,"Water$", awa, zwa, dwa, -2, wwa);
+
+ // Gas mixtures
+ Char_t namate[21];
+ // Xe/CO2-mixture
+ // Get properties of Xe
+ gMC->Gfmate((*fIdmate)[4], namate, agm[0], zgm[0], d, radl, absl, buf, nbuf);
+ // Get properties of CO2
+ gMC->Gfmate((*fIdmate)[8], namate, agm[1], zgm[1], d, radl, absl, buf, nbuf);
+ // Create gas mixture
+ wgm[0] = fxc;
+ wgm[1] = 1. - fxc;
+ dgm1 = wgm[0] * dxe + wgm[1] * dco;
+ AliMixture(10, "Gas mixture 1$", agm, zgm, dgm1, 2, wgm);
+ // Xe/Isobutane-mixture
+ // Get properties of Xe
+ gMC->Gfmate((*fIdmate)[4], namate, agm[0], zgm[0], d, radl, absl, buf, nbuf);
+ // Get properties of Isobutane
+ gMC->Gfmate((*fIdmate)[9], namate, agm[1], zgm[1], d, radl, absl, buf, nbuf);
+ // Create gas mixture
+ wgm[0] = fxi;
+ wgm[1] = 1. - fxi;
+ dgm2 = wgm[0] * dxe + wgm[1] * dis;
+ AliMixture(11, "Gas mixture 2$", agm, zgm, dgm2, 2, wgm);
+
+ //////////////////////////////////////////////////////////////////////////
+ // Tracking Media Parameters
+ //////////////////////////////////////////////////////////////////////////
+
+ // Al Frame
+ AliMedium(1, "Al Frame$", 1, 0, isxfld, sxmgmx
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Air
+ AliMedium(2, "Air$", 2, 0, isxfld, sxmgmx
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Polyethilene
+ AliMedium(3, "Radiator$", 3, 0, isxfld, sxmgmx
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Xe
+ AliMedium(4, "Xe$", 4, 1, isxfld, sxmgmx
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Cu pads
+ AliMedium(5, "Padplane$", 5, 1, isxfld, sxmgmx
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Fee + cables
+ AliMedium(6, "Readout$", 1, 0, isxfld, sxmgmx
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // C frame
+ AliMedium(7, "C Frame$", 6, 0, isxfld, sxmgmx
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Mylar foils
+ AliMedium(8, "Mylar$", 7, 0, isxfld, sxmgmx
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ if (fGasMix == 1) {
+ // Gas-mixture (Xe/CO2)
+ AliMedium(9, "Gas-mix$", 10, 1, isxfld, sxmgmx
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ }
+ else {
+ // Gas-mixture (Xe/Isobutane)
+ AliMedium(9, "Gas-mix$", 11, 1, isxfld, sxmgmx
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ }
+ // Nomex-honeycomb (use carbon for the time being)
+ AliMedium(10, "Nomex$", 6, 0, isxfld, sxmgmx
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Kapton foils (use Mylar for the time being)
+ AliMedium(11, "Kapton$", 7, 0, isxfld, sxmgmx
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Gas-filling of the radiator
+ AliMedium(12, "CO2$", 8, 0, isxfld, sxmgmx
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // G10-plates
+ AliMedium(13, "G10-plates$",12, 0, isxfld, sxmgmx
+ , tmaxfd, stemax, deemax, epsil, stmin);
+ // Cooling water
+ AliMedium(14, "Water$", 13, 0, isxfld, sxmgmx
+ , tmaxfd, stemax, deemax, epsil, stmin);
+
+ // Save the density values for the TRD absorbtion
+ fFoilDensity = dmy;
+ if (fGasMix == 1)
+ fGasDensity = dgm1;
+ else
+ fGasDensity = dgm2;
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::DrawModule()
+{
+ //
+ // Draw a shaded view of the Transition Radiation Detector version 0
+ //
+
+ // Set everything unseen
+ gMC->Gsatt("*" ,"SEEN",-1);
- // ***********************************************************************
- AliMaterial(1, "Al $", 26.98, 13., 2.7, 8.9, 37.2);
- AliMaterial(2, "Air$", 14.61, 7.3, .001205, 30420., 67500);
- AliMaterial(4, "Xe $", 131.29, 54., dxe, 1447.59, 0);
- AliMaterial(5, "Cu $", 63.54, 29., 8.96, 1.43, 14.8);
- AliMaterial(6, "C $", 12.01, 6., 2.265, 18.8, 74.4);
- // --- Mixtures
- AliMixture(3, "Polyethilene$", ape, zpe, dpe, -2, wpe);
- AliMixture(7, "Mylar$", amy, zmy, dmy, -3, wmy);
- AliMixture(8, "CO2$", aco, zco, dco, -2, wco);
- char namate[21];
- // --- Get properties of Xe
- pMC->Gfmate((*fIdmate)[4], namate, agm[0], zgm[0], d, radl, absl, buf, nbuf);
- // --- Get properties of CO2
- pMC->Gfmate((*fIdmate)[8], namate, agm[1], zgm[1], d, radl, absl, buf, nbuf);
- // --- Create gas mixture
- wgm[0] = fxe;
- wgm[1] = 1. - fxe;
- dgm = wgm[0] * dxe + wgm[1] * dco;
- AliMixture(9, "Gas mixture$", agm, zgm, dgm, 2, wgm);
- // ***********************************************************************
+ // Set ALIC mother transparent
+ gMC->Gsatt("ALIC","SEEN", 0);
- // Tracking Media Parameters
+ // Set the volumes visible
+ if (fGeometry->IsVersion() == 0) {
+ gMC->Gsatt("B071","SEEN", 0);
+ gMC->Gsatt("B074","SEEN", 0);
+ gMC->Gsatt("B075","SEEN", 0);
+ gMC->Gsatt("B077","SEEN", 0);
+ gMC->Gsatt("BTR1","SEEN", 0);
+ gMC->Gsatt("BTR2","SEEN", 0);
+ gMC->Gsatt("BTR3","SEEN", 0);
+ gMC->Gsatt("TRD1","SEEN", 0);
+ gMC->Gsatt("TRD2","SEEN", 0);
+ gMC->Gsatt("TRD3","SEEN", 0);
+ }
+ else {
+ gMC->Gsatt("B071","SEEN", 0);
+ gMC->Gsatt("B074","SEEN", 0);
+ gMC->Gsatt("B075","SEEN", 0);
+ gMC->Gsatt("B077","SEEN", 0);
+ gMC->Gsatt("BTR1","SEEN", 0);
+ gMC->Gsatt("BTR2","SEEN", 0);
+ gMC->Gsatt("BTR3","SEEN", 0);
+ gMC->Gsatt("TRD1","SEEN", 0);
+ if (fGeometry->GetPHOShole())
+ gMC->Gsatt("TRD2","SEEN", 0);
+ if (fGeometry->GetRICHhole())
+ gMC->Gsatt("TRD3","SEEN", 0);
+ }
+ gMC->Gsatt("UCII","SEEN", 0);
+ gMC->Gsatt("UCIM","SEEN", 0);
+ gMC->Gsatt("UCIO","SEEN", 0);
+ gMC->Gsatt("UL02","SEEN", 1);
+ gMC->Gsatt("UL05","SEEN", 1);
+ gMC->Gsatt("UL06","SEEN", 1);
- // ***********************************************************************
- // --- Al Frame
- AliMedium(1301, "Al Frame$", 1, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Air
- AliMedium(1302, "Air$", 2, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Polyethilene
- AliMedium(1303, "Radiator$", 3, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Xe
- AliMedium(1304, "Xe$", 4, 1, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Cu pads
- AliMedium(1305, "Padplane$", 5, 1, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Fee + cables
- AliMedium(1306, "Readout$", 1, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- C frame
- AliMedium(1307, "C Frame$", 6, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Mylar foils
- AliMedium(1308, "Mylar$", 7, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Gas-mixture
- AliMedium(1309, "Gas-mix$", 9, 1, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Nomex-honeycomb (use carbon for the time being)
- AliMedium(1310, "Nomex$", 6, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Kapton foils (use Mylar for the time being)
- AliMedium(1311, "Kapton$", 7, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- // --- Gas-filling of the radiator
- AliMedium(1312, "CO2$", 8, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
+ gMC->Gdopt("hide", "on");
+ gMC->Gdopt("shad", "on");
+ gMC->Gsatt("*", "fill", 7);
+ gMC->SetClipBox(".");
+ gMC->SetClipBox("*", 0, 2000, -2000, 2000, -2000, 2000);
+ gMC->DefaultRange();
+ gMC->Gdraw("alic", 40, 30, 0, 12, 9.4, .021, .021);
+ gMC->Gdhead(1111, "Transition Radiation Detector");
+ gMC->Gdman(18, 4, "MAN");
+
}
//_____________________________________________________________________________
//
// Distance between the mouse and the TRD detector on the screen
// Dummy routine
- //
- return 9999;
+
+ return 9999;
+
}
//_____________________________________________________________________________
void AliTRD::Init()
{
//
- // Initialise the TRD detector after the geometry has been created
+ // Initialize the TRD detector after the geometry has been created
//
+
Int_t i;
- //
+
printf("\n");
- for(i=0;i<35;i++) printf("*");
+ for (i = 0; i < 35; i++) printf("*");
printf(" TRD_INIT ");
- for(i=0;i<35;i++) printf("*");
+ for (i = 0; i < 35; i++) printf("*");
printf("\n");
- //
- // Here the TRD initialisation code (if any!)
- for(i=0;i<80;i++) printf("*");
printf("\n");
+
+ if (fGeometry->IsVersion() == 0) {
+ printf(" Geometry for spaceframe with holes initialized.\n\n");
+ }
+ else if (fGeometry->IsVersion() == 1) {
+ printf(" Geometry for spaceframe without holes initialized.\n");
+ if (fGeometry->GetPHOShole())
+ printf(" Leave space in front of PHOS free.\n");
+ if (fGeometry->GetRICHhole())
+ printf(" Leave space in front of RICH free.\n");
+ printf("\n");
+ }
+
+ if (fGasMix == 1)
+ printf(" Gas Mixture: 90%% Xe + 10%% CO2\n\n");
+ else
+ printf(" Gas Mixture: 97%% Xe + 3%% Isobutane\n\n");
+
}
-ClassImp(AliTRDhit)
-
//_____________________________________________________________________________
-AliTRDhit::AliTRDhit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits):
- AliHit(shunt, track)
+void AliTRD::LoadPoints(Int_t track)
{
//
- // Create a TRD hit
+ // Store x, y, z of all hits in memory.
+ // Hit originating from TR photons are given a different color
//
+ if (!fDrawTR) {
+ AliDetector::LoadPoints(track);
+ return;
+ }
+
+ if (fHits == 0) return;
+
+ Int_t nhits = fHits->GetEntriesFast();
+ if (nhits == 0) return;
+
+ Int_t tracks = gAlice->GetNtrack();
+ if (fPoints == 0) fPoints = new TObjArray(tracks);
+
+ AliTRDhit *ahit;
+
+ Int_t *ntrkE = new Int_t[tracks];
+ Int_t *ntrkT = new Int_t[tracks];
+ Int_t *limiE = new Int_t[tracks];
+ Int_t *limiT = new Int_t[tracks];
+ Float_t **coorE = new Float_t*[tracks];
+ Float_t **coorT = new Float_t*[tracks];
+ for(Int_t i = 0; i < tracks; i++) {
+ ntrkE[i] = 0;
+ ntrkT[i] = 0;
+ coorE[i] = 0;
+ coorT[i] = 0;
+ limiE[i] = 0;
+ limiT[i] = 0;
+ }
+
+ AliTRDpoints *points = 0;
+ Float_t *fp = 0;
+ Int_t trk;
+ Int_t chunk = nhits / 4 + 1;
+
+ // Loop over all the hits and store their position
+ for (Int_t hit = 0; hit < nhits; hit++) {
+
+ ahit = (AliTRDhit *) fHits->UncheckedAt(hit);
+
+ // dEdx hits
+ if (ahit->GetCharge() >= 0) {
+
+ trk = ahit->GetTrack();
+ if (ntrkE[trk] == limiE[trk]) {
+ // Initialise a new track
+ fp = new Float_t[3*(limiE[trk]+chunk)];
+ if (coorE[trk]) {
+ memcpy(fp,coorE[trk],sizeof(Float_t)*3*limiE[trk]);
+ delete [] coorE[trk];
+ }
+ limiE[trk] += chunk;
+ coorE[trk] = fp;
+ }
+ else {
+ fp = coorE[trk];
+ }
+ fp[3*ntrkE[trk] ] = ahit->X();
+ fp[3*ntrkE[trk]+1] = ahit->Y();
+ fp[3*ntrkE[trk]+2] = ahit->Z();
+ ntrkE[trk]++;
+
+ }
+ // TR photon hits
+ else {
+
+ trk = ahit->GetTrack();
+ if (ntrkT[trk] == limiT[trk]) {
+ // Initialise a new track
+ fp = new Float_t[3*(limiT[trk]+chunk)];
+ if (coorT[trk]) {
+ memcpy(fp,coorT[trk],sizeof(Float_t)*3*limiT[trk]);
+ delete [] coorT[trk];
+ }
+ limiT[trk] += chunk;
+ coorT[trk] = fp;
+ }
+ else {
+ fp = coorT[trk];
+ }
+ fp[3*ntrkT[trk] ] = ahit->X();
+ fp[3*ntrkT[trk]+1] = ahit->Y();
+ fp[3*ntrkT[trk]+2] = ahit->Z();
+ ntrkT[trk]++;
+
+ }
+
+ }
+
+ for (trk = 0; trk < tracks; ++trk) {
+
+ if (ntrkE[trk] || ntrkT[trk]) {
+
+ points = new AliTRDpoints();
+ points->SetDetector(this);
+ points->SetParticle(trk);
+
+ // Set the dEdx points
+ if (ntrkE[trk]) {
+ points->SetMarkerColor(GetMarkerColor());
+ points->SetMarkerSize(GetMarkerSize());
+ points->SetPolyMarker(ntrkE[trk],coorE[trk],GetMarkerStyle());
+ delete [] coorE[trk];
+ coorE[trk] = 0;
+ }
+
+ // Set the TR photon points
+ if (ntrkT[trk]) {
+ points->SetTRpoints(ntrkT[trk],coorT[trk]);
+ delete [] coorT[trk];
+ coorT[trk] = 0;
+ }
+
+ fPoints->AddAt(points,trk);
+
+ }
+
+ }
+
+ delete [] coorE;
+ delete [] coorT;
+ delete [] ntrkE;
+ delete [] ntrkT;
+ delete [] limiE;
+ delete [] limiT;
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::MakeBranch(Option_t* option, char *file)
+{
//
- // Store volume hierarchy
- fSector = vol[0];
- fChamber = vol[1];
- fPlane = vol[2];
+ // Create Tree branches for the TRD digits and cluster.
//
- // Store position and charge
- fX = hits[0];
- fY = hits[1];
- fZ = hits[2];
- fQ = hits[3];
+
+ //Int_t buffersize = 4000;
+ //Char_t branchname[15];
+
+ AliDetector::MakeBranch(option,file);
+
+ //Char_t *r = strstr(option,"R");
+ //sprintf(branchname,"%srecPoints",GetName());
+ //if (fRecPoints && gAlice->TreeR() && r) {
+ // MakeBranchInTree(gAlice->TreeR(),
+ // branchname, &fRecPoints,buffersize, file) ;
+ //}
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::ResetRecPoints()
+{
+ //
+ // Reset number of reconstructed points and the point array
+ //
+
+ if(fRecPoints) {
+ fNRecPoints = 0;
+ Int_t nentr = fRecPoints->GetEntriesFast();
+ for(Int_t i = 0; i < nentr; i++) delete fRecPoints->RemoveAt(i);
+ }
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::SetTreeAddress()
+{
+ //
+ // Set the branch addresses for the trees.
+ //
+
+ Char_t branchname[15];
+
+ AliDetector::SetTreeAddress();
+
+ TBranch *branch;
+ TTree *treeR = gAlice->TreeR();
+
+ if (treeR) {
+ sprintf(branchname,"%srecPoints",GetName());
+ if (fRecPoints) {
+ branch = treeR->GetBranch(branchname);
+ if (branch) {
+ branch->SetAddress(&fRecPoints);
+ }
+ }
+ }
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::SetGasMix(Int_t imix)
+{
+ //
+ // Defines the gas mixture (imix=0: Xe/Isobutane imix=1: Xe/CO2)
+ //
+
+ if ((imix < 0) || (imix > 1)) {
+ printf("Wrong input value: %d\n",imix);
+ printf("Use standard setting\n");
+ fGasMix = 0;
+ return;
+ }
+
+ fGasMix = imix;
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::SetPHOShole()
+{
+ //
+ // Selects a geometry with a hole in front of the PHOS
+ //
+
+ fGeometry->SetPHOShole();
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::SetRICHhole()
+{
+ //
+ // Selects a geometry with a hole in front of the RICH
+ //
+
+ fGeometry->SetRICHhole();
+
+}
+
+//_____________________________________________________________________________
+AliTRD &AliTRD::operator=(const AliTRD &trd)
+{
+ //
+ // Assignment operator
+ //
+
+ if (this != &trd) ((AliTRD &) trd).Copy(*this);
+ return *this;
+
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff