+/**************************************************************************
+ * 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. *
+ **************************************************************************/
+
+/* $Id$ */
+
///////////////////////////////////////////////////////////////////////////////
// //
// 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 <TMath.h>
-#include <TRandom.h>
-#include <TVector.h>
-#include <TGeometry.h>
-#include <TNode.h>
-#include <TBRIK.h>
-#include <TPGON.h>
+#include <TGeoGlobalMagField.h>
+#include <TVirtualMC.h>
+
+#include "AliMC.h"
+#include "AliMagF.h"
+#include "AliRun.h"
#include "AliTRD.h"
-#include "AliRun.h"
+#include "AliTRDdigitizer.h"
+#include "AliTRDdigitsManager.h"
+#include "AliTRDgeometry.h"
+#include "AliTRDhit.h"
+#include "AliTRDrawData.h"
+#include "AliTRDCommonParam.h"
-#include "AliMC.h"
-#include "AliConst.h"
-
ClassImp(AliTRD)
//_____________________________________________________________________________
AliTRD::AliTRD()
+ :AliDetector()
+ ,fGeometry(0)
+ ,fGasDensity(0)
+ ,fFoilDensity(0)
+ ,fGasNobleFraction(0)
{
//
// Default constructor
//
- fIshunt = 0;
- fGasMix = 0;
- fSensSelect = 0;
- fSensPlane = 0;
- fSensChamber = 0;
- fSensSector = 0;
+
}
//_____________________________________________________________________________
AliTRD::AliTRD(const char *name, const char *title)
- : AliDetector(name,title)
+ :AliDetector(name,title)
+ ,fGeometry(0)
+ ,fGasDensity(0)
+ ,fFoilDensity(0)
+ ,fGasNobleFraction(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) {
+ AliError("TRD needs FRAME to be present\n");
+ exit(1);
+ }
+
+ // Define the TRD geometry
+ if ((frame->IsVersion() == 0) ||
+ (frame->IsVersion() == 1)) {
+ fGeometry = new AliTRDgeometry();
+ }
+ else {
+ AliError("Could not find valid FRAME version\n");
+ exit(1);
+ }
+
// Allocate the hit array
-
- fHits = new TClonesArray("AliTRDhit", 405);
-
- fIshunt = 0;
- fGasMix = 0;
- fSensSelect = 0;
- fSensPlane = 0;
- fSensChamber = 0;
- fSensSector = 0;
+ fHits = new TClonesArray("AliTRDhit",405);
+ gAlice->GetMCApp()->AddHitList(fHits);
+
+}
+
+//_____________________________________________________________________________
+AliTRD::~AliTRD()
+{
+ //
+ // TRD destructor
+ //
+
+ if (fGeometry) {
+ delete fGeometry;
+ fGeometry = 0;
+ }
+
+ if (fHits) {
+ delete fHits;
+ fHits = 0;
+ }
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::Hits2Digits()
+{
+ //
+ // Create digits
+ //
+
+ AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class");
+ AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel());
+
+ // Initialization
+ digitizer.InitDetector();
+
+ if (!fLoader->TreeH()) {
+ fLoader->LoadHits("read");
+ }
+ fLoader->LoadDigits("recreate");
+
+ AliRunLoader *runLoader = fLoader->GetRunLoader();
+
+ for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
+ runLoader->GetEvent(iEvent);
+ digitizer.Open(runLoader,iEvent);
+ digitizer.MakeDigits();
+ digitizer.WriteDigits();
+ }
+
+ fLoader->UnloadHits();
+ fLoader->UnloadDigits();
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::Hits2SDigits()
+{
+ //
+ // Create summable digits
+ //
+
+ AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class");
+ // For the summable digits
+ digitizer.SetSDigits(kTRUE);
+ AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel());
+
+ // Initialization
+ digitizer.InitDetector();
+
+ if (!fLoader->TreeH()) {
+ fLoader->LoadHits("read");
+ }
+ fLoader->LoadSDigits("recreate");
+
+ AliRunLoader *runLoader = fLoader->GetRunLoader();
+
+ for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
+ runLoader->GetEvent(iEvent);
+ digitizer.Open(runLoader,iEvent);
+ digitizer.MakeDigits();
+ digitizer.WriteDigits();
+ }
+
+ fLoader->UnloadHits();
+ fLoader->UnloadSDigits();
- SetMarkerColor(kWhite);
}
-
+
//_____________________________________________________________________________
-void AliTRD::AddHit(Int_t track, Int_t *vol, Float_t *hits)
+AliDigitizer *AliTRD::CreateDigitizer(AliRunDigitizer *manager) const
{
//
- // Add a hit for the TRD
+ // Creates a new digitizer object
//
- TClonesArray &lhits = *fHits;
- new(lhits[fNhits++]) AliTRDhit(fIshunt,track,vol,hits);
+
+ return new AliTRDdigitizer(manager);
+
}
//_____________________________________________________________________________
-void AliTRD::BuildGeometry()
+void AliTRD::SDigits2Digits()
{
//
- // Create the ROOT TNode geometry for the TRD
+ // Create final digits from summable digits
//
- TNode *Node, *Top;
- TPGON *pgon;
- const Int_t kColorTRD = 46;
+
+ // Create the TRD digitizer
+ AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class");
+ AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel());
+
+ // Set the parameter
+ digitizer.SetEvent(gAlice->GetEvNumber());
+
+ // Initialization
+ digitizer.InitDetector();
+
+ // Read the s-digits via digits manager
+ AliTRDdigitsManager sdigitsManager;
+
+ AliLog::SetClassDebugLevel("TRDdigitisManager",AliDebugLevel());
+ sdigitsManager.SetSDigits(kTRUE);
+ sdigitsManager.CreateArrays();
- // Find the top node alice
- Top=gAlice->GetGeometry()->GetNode("alice");
+ if (!fLoader->TreeS()) {
+ if (fLoader->LoadSDigits("read")) {
+ return;
+ }
+ }
+ if (!fLoader->TreeS()) {
+ AliError(Form("Error while reading SDigits for event %d",gAlice->GetEvNumber()));
+ return;
+ }
- pgon = new TPGON("S_TRD","TRD","void",0,360,nsect,4);
- Float_t ff = TMath::Cos(kDegrad * 180 / nsect);
- Float_t rrmin = rmin / ff;
- Float_t rrmax = rmax / ff;
- pgon->DefineSection(0,-zmax1,rrmax,rrmax);
- pgon->DefineSection(1,-zmax2,rrmin,rrmax);
- pgon->DefineSection(2, zmax2,rrmin,rrmax);
- pgon->DefineSection(3, zmax1,rrmax,rrmax);
- Top->cd();
- Node = new TNode("TRD","TRD","S_TRD",0,0,0,"");
- Node->SetLineColor(kColorTRD);
- fNodes->Add(Node);
+ sdigitsManager.ReadDigits(fLoader->TreeS());
+
+ // Add the s-digits to the input list
+ digitizer.AddSDigitsManager(&sdigitsManager);
+
+ // Convert the s-digits to normal digits
+ digitizer.SDigits2Digits();
+
+ // Store the digits
+ if (!fLoader->TreeD()) {
+ fLoader->MakeTree("D");
+ }
+ if (digitizer.MakeBranch(fLoader->TreeD())){
+ digitizer.WriteDigits();
+ }
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::Digits2Raw()
+{
+ //
+ // Convert digits of the current event to raw data
+ //
+
+ fLoader->LoadDigits();
+ TTree *digits = fLoader->TreeD();
+ if (!digits) {
+ AliError("No digits tree");
+ return;
+ }
+
+ AliTRDrawData rawWriter;
+ if (!rawWriter.Digits2Raw(digits)) {
+ AliError("The raw writer could not load the digits tree");
+ }
+
+ fLoader->UnloadDigits();
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::AddHit(Int_t track, Int_t det, Float_t *hits, Int_t q
+ , Float_t time, Bool_t inDrift)
+{
+ //
+ // Add a hit for the TRD
+ //
+
+ TClonesArray &lhits = *fHits;
+ AliTRDhit *hit = new(lhits[fNhits++]) AliTRDhit(fIshunt
+ ,track
+ ,det
+ ,hits
+ ,q
+ ,time);
+
+ if (inDrift) {
+ hit->SetDrift();
+ }
+ else {
+ hit->SetAmplification();
+ }
+
+ if (q < 0) {
+ hit->SetTRphoton();
+ }
}
//_____________________________________________________________________________
-void AliTRD::CreateMaterials()
+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) {
+ AliFatal("The TRD needs the FRAME to be defined first");
+ }
+
+ fGeometry->CreateGeometry(fIdtmed->GetArray() - 1299);
+
+}
+//_____________________________________________________________________________
+void AliTRD::CreateMaterials()
+{
//
// Create the materials for the TRD
- // Origin Y.Foka
//
- AliMC* pMC = AliMC::GetMC();
-
- Int_t ISXFLD = gAlice->Field()->Integ();
- Float_t SXMGMX = gAlice->Field()->Max();
+ Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
+ Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
// 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;
+ Float_t ape[2] = { 12.011 , 1.0079 };
+ Float_t zpe[2] = { 6.0 , 1.0 };
+ Float_t wpe[2] = { 1.0 , 2.0 };
+ Float_t dpe = 0.95;
// 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;
+ Float_t aco[2] = { 12.011 , 15.9994 };
+ Float_t zco[2] = { 6.0 , 8.0 };
+ Float_t wco[2] = { 1.0 , 2.0 };
+ Float_t dco = 0.00186; // at 20C
// 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;
+ Float_t awa[2] = { 1.0079, 15.9994 };
+ Float_t zwa[2] = { 1.0 , 8.0 };
+ Float_t wwa[2] = { 2.0 , 1.0 };
+ Float_t dwa = 1.0;
+
+ // For plexiglas (C5H8O2)
+ Float_t apg[3] = { 12.011 , 1.0079, 15.9994 };
+ Float_t zpg[3] = { 6.0 , 1.0 , 8.0 };
+ Float_t wpg[3] = { 5.0 , 8.0 , 2.0 };
+ Float_t dpg = 1.18;
+
+ // For epoxy (C18H19O3)
+ Float_t aEpoxy[3] = { 15.9994, 1.0079, 12.011 };
+ Float_t zEpoxy[3] = { 8.0 , 1.0 , 6.0 };
+ Float_t wEpoxy[3] = { 3.0 , 19.0 , 18.0 };
+ Float_t dEpoxy = 1.8 ;
+
+ // For Araldite, low density epoxy (C18H19O3)
+ Float_t aAral[3] = { 15.9994, 1.0079, 12.011 };
+ Float_t zAral[3] = { 8.0 , 1.0 , 6.0 };
+ Float_t wAral[3] = { 3.0 , 19.0 , 18.0 };
+ Float_t dAral = 1.05;
+
+ // For air
+ Float_t aAir[4] = { 12.011 , 14.0 , 15.9994 , 36.0 };
+ Float_t zAir[4] = { 6.0 , 7.0 , 8.0 , 18.0 };
+ Float_t wAir[4] = { 0.000124, 0.755267, 0.231781, 0.012827 };
+ Float_t dAir = 1.20479e-03;
+
+ // For G10
+ Float_t aG10[4] = { 1.0079 , 12.011 , 15.9994 , 28.086 };
+ Float_t zG10[4] = { 1.0 , 6.0 , 8.0 , 14.0 };
+ Float_t wG10[4] = { 0.15201 , 0.10641 , 0.49444 , 0.24714 };
+ Float_t dG10 = 1.7;
// 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;
+ Float_t aXeCO2[3] = { 131.29 , 12.0107 , 15.9994 };
+ Float_t zXeCO2[3] = { 54.0 , 6.0 , 8.0 };
+ Float_t wXeCO2[3] = { 8.5 , 1.5 , 3.0 };
+ // Xe-content of the Xe/CO2-mixture (85% / 15%)
+ Float_t fxc = 0.85;
+ Float_t dxe = 0.00549; // at 20C
+ Float_t dgmXe = fxc * dxe + (1.0 - fxc) * dco;
+
+ // For Ar/CO2-gas-mixture
+ Float_t aArCO2[3] = { 39.948 , 12.0107 , 15.9994 };
+ Float_t zArCO2[3] = { 18.0 , 6.0 , 8.0 };
+ Float_t wArCO2[3] = { 8.2 , 1.8 , 3.6 };
+ // Ar-content of the Ar/CO2-mixture (82% / 18%)
+ Float_t fac = 0.82;
+ Float_t dar = 0.00166; // at 20C
+ Float_t dgmAr = fac * dar + (1.0 - fac) * dco;
// General tracking parameter
- Float_t tmaxfd = -10.;
- Float_t stemax = -1e10;
- 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 tmaxfd = -10.0;
+ Float_t stemax = -1.0e10;
+ Float_t deemax = -0.1;
+ Float_t epsil = 1.0e-4;
+ Float_t stmin = -0.001;
//////////////////////////////////////////////////////////////////////////
// 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);
+ AliMaterial( 1, "Al" , 26.98, 13.0, 2.7 , 8.9 , 37.2);
+ AliMaterial( 4, "Xe" , 131.29, 54.0, dxe , 1546.16, 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(15, "Sn" , 118.71, 50.0, 7.31 , 1.21, 14.8);
+ AliMaterial(16, "Si" , 28.09, 14.0, 2.33 , 9.36, 37.2);
+ AliMaterial(18, "Fe" , 55.85, 26.0, 7.87 , 1.76, 14.8);
// 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$" , awa, zwa, dwa, -2, wwa);
-
- // Gas mixtures
- char namate[21];
- // Xe/CO2-mixture
- // Get properties of Xe
- pMC->Gfmate((*fIdmate)[4], namate, agm[0], zgm[0], d, radl, absl, buf, nbuf);
- // Get properties of CO2
- pMC->Gfmate((*fIdmate)[8], namate, agm[1], zgm[1], d, radl, absl, buf, nbuf);
- // Create gas mixture
- wgm[0] = fxc;
- wgm[1] = 1. - fxc;
- dgm = wgm[0] * dxe + wgm[1] * dco;
- AliMixture(10, "Gas mixture 1$", agm, zgm, dgm, 2, wgm);
- // Xe/Isobutane-mixture
- // Get properties of Xe
- pMC->Gfmate((*fIdmate)[4], namate, agm[0], zgm[0], d, radl, absl, buf, nbuf);
- // Get properties of Isobutane
- pMC->Gfmate((*fIdmate)[9], namate, agm[1], zgm[1], d, radl, absl, buf, nbuf);
- // Create gas mixture
- wgm[0] = fxi;
- wgm[1] = 1. - fxi;
- dgm = wgm[0] * dxe + wgm[1] * dis;
- AliMixture(11, "Gas mixture 2$", agm, zgm, dgm, 2, wgm);
-
+ AliMixture(2, "Air" , aAir, zAir, dAir, 4, wAir );
+ AliMixture(3, "Polyethilene", ape, zpe, dpe, -2, wpe );
+ AliMixture(8, "CO2", aco, zco, dco, -2, wco );
+ if (AliTRDCommonParam::Instance()->IsXenon()) {
+ AliMixture(10,"XeCO2", aXeCO2, zXeCO2, dgmXe, -3, wXeCO2);
+ }
+ else if (AliTRDCommonParam::Instance()->IsArgon()) {
+ AliInfo("Gas mixture: Ar C02 (80/20)");
+ AliMixture(10,"ArCO2", aArCO2, zArCO2, dgmAr, -3, wArCO2);
+ }
+ else {
+ AliFatal("Wrong gas mixture");
+ exit(1);
+ }
+ AliMixture(12,"G10", aG10, zG10, dG10, 4, wG10 );
+ AliMixture(13,"Water", awa, zwa, dwa, -2, wwa );
+ AliMixture(14,"Plexiglas", apg, zpg, dpg, -3, wpg );
+ AliMixture(17,"Epoxy", aEpoxy, zEpoxy, dEpoxy, -3, wEpoxy);
+ AliMixture(19,"Araldite", aAral, zAral, dAral, -3, wAral );
+
//////////////////////////////////////////////////////////////////////////
// Tracking Media Parameters
//////////////////////////////////////////////////////////////////////////
// Al Frame
- AliMedium(1301, "Al Frame$", 1, 0, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium( 1,"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$", 4, 1, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium( 2,"Air" , 2,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Wires
+ AliMedium( 3,"Wires" , 5,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // All other ROB materials (caps, etc.)
+ AliMedium( 4,"ROB Other" , 5,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
// Cu pads
- AliMedium(1305, "Padplane$", 5, 1, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium( 5,"Padplane" , 5,1,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
// Fee + cables
- AliMedium(1306, "Readout$", 1, 0, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium( 6,"Readout" , 5,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
// C frame
- AliMedium(1307, "C Frame$", 6, 0, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
- // Mylar foils
- AliMedium(1308, "Mylar$", 7, 0, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
- if (fGasMix == 1) {
- // Gas-mixture (Xe/CO2)
- AliMedium(1309, "Gas-mix$", 10, 1, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
- }
- else {
- // Gas-mixture (Xe/Isobutane)
- AliMedium(1309, "Gas-mix$", 11, 1, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
- }
- // Nomex-honeycomb (use carbon for the time being)
- AliMedium(1310, "Nomex$", 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);
+ AliMedium( 7,"C Frame" , 6,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // INOX of cooling bus bars
+ AliMedium( 8,"Cooling bus",18,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Gas-mixture (Xe/CO2)
+ AliMedium( 9,"Gas-mix" ,10,1,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Nomex-honeycomb
+ AliMedium(10,"Nomex" ,12,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Araldite glue
+ AliMedium(11,"Glue" ,19,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
// G10-plates
- AliMedium(1313, "G10-plates$",12, 0, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(13,"G10-plates" ,12,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
// Cooling water
- AliMedium(1314, "Water$", 13, 0, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(14,"Water" ,13,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Rohacell (plexiglas) for the radiator
+ AliMedium(15,"Rohacell" ,14,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Al layer in MCMs
+ AliMedium(16,"MCM-Al" , 1,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Sn layer in MCMs
+ AliMedium(17,"MCM-Sn" ,15,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Cu layer in MCMs
+ AliMedium(18,"MCM-Cu" , 5,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // G10 layer in MCMs
+ AliMedium(19,"MCM-G10" ,12,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Si in readout chips
+ AliMedium(20,"Chip-Si" ,16,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Epoxy in readout chips
+ AliMedium(21,"Chip-Ep" ,17,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // PE in connectors
+ AliMedium(22,"Conn-PE" , 3,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Cu in connectors
+ AliMedium(23,"Chip-Cu" , 5,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Al of cooling pipes
+ AliMedium(24,"Cooling" , 1,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Cu in services
+ AliMedium(25,"Serv-Cu" , 5,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+
+ // Save the density values for the TRD absorbtion
+ Float_t dmy = 1.39;
+ fFoilDensity = dmy;
+ if (AliTRDCommonParam::Instance()->IsXenon()) {
+ fGasDensity = dgmXe;
+ fGasNobleFraction = fxc;
+ }
+ else if (AliTRDCommonParam::Instance()->IsArgon()) {
+ fGasDensity = dgmAr;
+ fGasNobleFraction = fac;
+ }
}
-
-//_____________________________________________________________________________
-Int_t AliTRD::DistancetoPrimitive(Int_t , Int_t )
-{
- //
- // Distance between the mouse and the TRD detector on the screen
- // Dummy routine
- //
- return 9999;
-}
//_____________________________________________________________________________
void AliTRD::Init()
{
//
- // Initialise the TRD detector after the geometry has been created
- //
- Int_t i;
+ // Initialize the TRD detector after the geometry has been created
//
- printf("\n");
- for(i=0;i<35;i++) printf("*");
- printf(" TRD_INIT ");
- for(i=0;i<35;i++) printf("*");
- printf("\n");
-
- // Here the TRD initialisation code (if any!)
- if (fGasMix == 1)
- printf(" Gas Mixture: 90%% Xe + 10%% CO2\n");
- else
- printf(" Gas Mixture: 97%% Xe + 3%% Isobutane\n");
- if (fSensPlane)
- printf(" Only plane %d is sensitive\n",fSensPlane);
- if (fSensChamber)
- printf(" Only chamber %d is sensitive\n",fSensChamber);
- if (fSensSector)
- printf(" Only sector %d is sensitive\n",fSensSector);
-
- for(i=0;i<80;i++) printf("*");
- printf("\n");
+
+ AliDebug(1,"++++++++++++++++++++++++++++++++++++++++++++++");
+
+ if (fGeometry->IsVersion() != 1) {
+ AliError("Not a valid geometry");
+ }
+
+ // Special tracking options for charged particles for XeCO2
+ gMC->Gstpar((* fIdtmed)[9],"DRAY" , 1.0);
+ gMC->Gstpar((* fIdtmed)[9],"STRA" , 1.0);
+ gMC->Gstpar((* fIdtmed)[9],"LOSS" ,13.0); // Specific energy loss
+ // Parameters specific to Fluka
+ //gMC->Gstpar((* fIdtmed)[9],"PRIMIO_E",23.53); // 1st ionisation potential
+ //gMC->Gstpar((* fIdtmed)[9],"PRIMIO_N",19.344431); // Number of primaries
+
}
//_____________________________________________________________________________
-void AliTRD::SetGasMix(Int_t imix = 0)
+void AliTRD::ResetDigits()
{
+ //
+ // Reset number of digits and the digits array for this detector
+ //
- if ((imix < 0) || (imix > 1)) {
- printf("Wrong input value: %d\n",imix);
- printf("Use standard setting\n");
- fGasMix = 0;
- return;
- }
+ fNdigits = 0;
- fGasMix = imix;
+ if (fDigits) {
+ fDigits->Clear();
+ }
}
//_____________________________________________________________________________
-void AliTRD::SetSensPlane(Int_t iplane = 0)
+void AliTRD::SetTreeAddress()
{
+ //
+ // Set the branch addresses for the trees.
+ //
- if ((iplane < 0) || (iplane > 6)) {
- printf("Wrong input value: %d\n",iplane);
- printf("Use standard setting\n");
- fSensPlane = 0;
- fSensSelect = 0;
- return;
+ if (fLoader->TreeH() &&
+ (fHits == 0x0)) {
+ fHits = new TClonesArray("AliTRDhit",405);
}
-
- fSensSelect = 1;
- fSensPlane = iplane;
+ AliDetector::SetTreeAddress();
}
//_____________________________________________________________________________
-void AliTRD::SetSensChamber(Int_t ichamber = 0)
+Bool_t AliTRD::Raw2SDigits(AliRawReader *rawReader)
{
+ //
+ // Converts RAW data to SDigits
+ //
- if ((ichamber < 0) || (ichamber > 5)) {
- printf("Wrong input value: %d\n",ichamber);
- printf("Use standard setting\n");
- fSensChamber = 0;
- fSensSelect = 0;
- return;
+ AliLoader *loader = fRunLoader->GetLoader("TRDLoader");
+ if (!loader) {
+ AliError("Can not get TRD loader from Run Loader");
+ return kFALSE;
+ }
+
+ TTree *tree = 0;
+ tree = loader->TreeS();
+ if (!tree) {
+ loader->MakeTree("S");
+ tree = loader->TreeS();
}
- fSensSelect = 1;
- fSensChamber = ichamber;
+ AliTRDrawData *rawdata = new AliTRDrawData();
+ AliTRDdigitsManager *sdigitsManager = rawdata->Raw2Digits(rawReader);
+ if (sdigitsManager) {
+ sdigitsManager->SetSDigits(kTRUE);
+ sdigitsManager->MakeBranch(tree);
+ sdigitsManager->WriteDigits();
+ return kTRUE;
+ }
+ else {
+ return kFALSE;
+ }
}
//_____________________________________________________________________________
-void AliTRD::SetSensSector(Int_t isector = 0)
+AliLoader* AliTRD::MakeLoader(const char* topfoldername)
{
+ fLoader = new AliLoader(GetName(),topfoldername);
- if ((isector < 0) || (isector > 18)) {
- printf("Wrong input value: %d\n",isector);
- printf("Use standard setting\n");
- fSensSector = 0;
- fSensSelect = 0;
- return;
- }
-
- fSensSelect = 1;
- fSensSector = isector;
+ AliInfo("Adding Tracklets-loader");
+ AliDataLoader *dl = new AliDataLoader("TRD.Tracklets.root","tracklets", "tracklets");
+ fLoader->AddDataLoader(dl);
+ return fLoader;
}
-ClassImp(AliTRDhit)
-
//_____________________________________________________________________________
-AliTRDhit::AliTRDhit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits):
- AliHit(shunt, track)
+AliTRD &AliTRD::operator=(const AliTRD &trd)
{
//
- // Create a TRD hit
+ // Assignment operator
//
- //
- // Store volume hierarchy
- fSector = vol[0];
- fChamber = vol[1];
- fPlane = vol[2];
- //
- // Store position and charge
- fX = hits[0];
- fY = hits[1];
- fZ = hits[2];
- fQ = hits[3];
+ if (this != &trd) {
+ ((AliTRD &) trd).Copy(*this);
+ }
+
+ return *this;
+
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff