+/**************************************************************************
+ * 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="picts/AliTRDClass.gif">
-*/
-//End_Html
-// //
+// Detector. //
// //
///////////////////////////////////////////////////////////////////////////////
+#include <stdlib.h>
+#include <Riostream.h>
+
+#include <TClonesArray.h>
+#include <TFile.h>
+#include <TGeometry.h>
+#include <TLorentzVector.h>
#include <TMath.h>
#include <TNode.h>
#include <TPGON.h>
+#include <TParticle.h>
+#include <TROOT.h>
+#include <TTree.h>
+#include <TVirtualMC.h>
+
+#include "AliConst.h"
+#include "AliDigit.h"
+#include "AliLoader.h"
+#include "AliLog.h"
+#include "AliMC.h"
+#include "AliMagF.h"
+#include "AliRun.h"
+#include "AliTrackReference.h"
+#include "AliRawReader.h"
#include "AliTRD.h"
-#include "AliRun.h"
+#include "AliTRDdigit.h"
+#include "AliTRDdigitizer.h"
+#include "AliTRDdigitsManager.h"
+#include "AliTRDgeometry.h"
+#include "AliTRDhit.h"
+#include "AliTRDpoints.h"
+#include "AliTRDrawData.h"
+#include "AliTRDSimParam.h"
+#include "AliTRDRecParam.h"
+#include "AliTRDCommonParam.h"
+#include "AliTRDcalibDB.h"
-#include "AliConst.h"
-
ClassImp(AliTRD)
//_____________________________________________________________________________
AliTRD::AliTRD()
+ :AliDetector()
+ ,fGeometry(0)
+ ,fGasDensity(0)
+ ,fFoilDensity(0)
+ ,fDrawTR(0)
+ ,fDisplayType(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)
+ ,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) {
+ 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);
+ 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());
- fIshunt = 0;
- fGasMix = 0;
- fSensSelect = 0;
- fSensPlane = 0;
- fSensChamber = 0;
- fSensSector = 0;
+ // 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);
}
+
+//_____________________________________________________________________________
+AliDigitizer *AliTRD::CreateDigitizer(AliRunDigitizer *manager) const
+{
+ //
+ // Creates a new digitizer object
+ //
+
+ return new AliTRDdigitizer(manager);
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::SDigits2Digits()
+{
+ //
+ // Create final digits from summable digits
+ //
+
+ // 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();
+
+ if (!fLoader->TreeS()) {
+ if (fLoader->LoadSDigits("read")) {
+ return;
+ }
+ }
+ if (!fLoader->TreeS()) {
+ AliError(Form("Error while reading SDigits for event %d",gAlice->GetEvNumber()));
+ return;
+ }
+
+ 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::AddHit(Int_t track, Int_t *vol, Float_t *hits)
+void AliTRD::Digits2Raw()
{
//
- // Add a hit for the TRD
+ // 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;
- new(lhits[fNhits++]) AliTRDhit(fIshunt,track,vol,hits);
+ AliTRDhit *hit = new(lhits[fNhits++]) AliTRDhit(fIshunt
+ ,track
+ ,det
+ ,hits
+ ,q
+ ,time);
+
+ if (inDrift) {
+ hit->SetDrift();
+ }
+ else {
+ hit->SetAmplification();
+ }
+
+ if (q < 0) {
+ hit->SetTRphoton();
+ }
+
}
//_____________________________________________________________________________
//
// Create the ROOT TNode geometry for the TRD
//
- TNode *Node, *Top;
+
+ TNode *node;
+ TNode *top;
TPGON *pgon;
+
+ // The dimensions of the TRD super module
+ const Float_t kRmin = 291.0;
+ const Float_t kRmax = 369.0;
+ const Float_t kZmax1 = 378.35;
+ const Float_t kZmax2 = 302.0;
+
+ Float_t rmin;
+ Float_t rmax;
+ Float_t zmax1;
+ Float_t zmax2;
+
+ Int_t iPlan;
+
const Int_t kColorTRD = 46;
// Find the top node alice
- Top=gAlice->GetGeometry()->GetNode("alice");
+ top = gAlice->GetGeometry()->GetNode("alice");
- 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);
+ if (fDisplayType == 0) {
+
+ pgon = new TPGON("S_TRD","TRD","void",0,360,AliTRDgeometry::Nsect(),4);
+ rmin = kRmin;
+ rmax = kRmax;
+ pgon->DefineSection(0,-kZmax1,rmax,rmax);
+ pgon->DefineSection(1,-kZmax2,rmin,rmax);
+ pgon->DefineSection(2, kZmax2,rmin,rmax);
+ pgon->DefineSection(3, kZmax1,rmax,rmax);
+ top->cd();
+ node = new TNode("TRD","TRD","S_TRD",0,0,0,"");
+ node->SetLineColor(kColorTRD);
+ fNodes->Add(node);
+
+ }
+ else if (fDisplayType == 1) {
+
+ Char_t name[7];
+
+ Float_t slope = (kZmax1 - kZmax2) / (kRmax - kRmin);
+
+ rmin = kRmin + AliTRDgeometry::CraHght();
+ rmax = rmin + AliTRDgeometry::CdrHght();
+
+ Float_t thickness = rmin - kRmin;
+ zmax2 = kZmax2 + slope * thickness;
+ zmax1 = zmax2 + slope * AliTRDgeometry::DrThick();
+
+ for (iPlan = 0; iPlan < AliTRDgeometry::Nplan(); iPlan++) {
+
+ sprintf(name,"S_TR1%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;
+
+ }
+
+ thickness += AliTRDgeometry::DrThick();
+ rmin = kRmin + thickness;
+ rmax = rmin + AliTRDgeometry::AmThick();
+ zmax2 = kZmax2 + slope * thickness;
+ zmax1 = zmax2 + slope * AliTRDgeometry::AmThick();
+
+ for (iPlan = 0; iPlan < AliTRDgeometry::Nplan(); iPlan++) {
+
+ sprintf(name,"S_TR2%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;
+
+ }
+
+ }
}
//_____________________________________________________________________________
-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
//
- 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] = { 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;
// 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;
+ 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 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 ais[2] = { 12.011 , 1.0079 };
+ Float_t zis[2] = { 6.0 , 1.0 };
+ Float_t wis[2] = { 4.0 , 10.0 };
+ Float_t dis = 0.00267;
+
+ // 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;
+ Float_t dgm = fxc * dxe + (1.0 - fxc) * 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$" , awa, zwa, dwa, -2, wwa);
-
- // Gas mixtures
- char namate[21];
- // Xe/CO2-mixture
- // Get properties of Xe
- gMC->Gfmate((*fIdmate)[4], namate, agm[0], zgm[0], d, radl, absl, buf, nbuf);
- // Get properties of CO2
- gMC->Gfmate((*fIdmate)[8], namate, agm[1], zgm[1], d, radl, absl, buf, nbuf);
- // Create gas mixture
- wgm[0] = fxc;
- wgm[1] = 1. - fxc;
- dgm = wgm[0] * dxe + wgm[1] * dco;
- AliMixture(10, "Gas mixture 1$", agm, zgm, dgm, 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;
- dgm = wgm[0] * dxe + wgm[1] * dis;
- AliMixture(11, "Gas mixture 2$", agm, zgm, dgm, 2, wgm);
-
+ AliMixture(2, "Air" , aAir, zAir, dAir, 4, wAir );
+ AliMixture(3, "Polyethilene", ape, zpe, dpe, -2, wpe );
+ AliMixture(8, "CO2", aco, zco, dco, -2, wco );
+ AliMixture(9, "Isobutane", ais, zis, dis, -2, wis );
+ AliMixture(10,"Gas mixture", aXeCO2, zXeCO2, dgm, -3, wXeCO2);
+ AliMixture(12,"G10", aG10, zG10, dG10, 4, wG10 );
+ AliMixture(13,"Water", awa, zwa, dwa, -2, wwa );
+ AliMixture(14,"Plexiglas", apg, zpg, dpg, -3, wpg );
+ AliMixture(17,"Epoxy", aEpoxy, zEpoxy, dEpoxy, -3, wEpoxy);
+ AliMixture(19,"Araldite", aAral, zAral, dAral, -3, wAral );
+
//////////////////////////////////////////////////////////////////////////
// Tracking Media Parameters
//////////////////////////////////////////////////////////////////////////
// Al Frame
- AliMedium(1, "Al Frame$", 1, 0, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium( 1,"Al Frame" , 1,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
// Air
- AliMedium(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$", 4, 1, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium( 2,"Air" , 2,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Wires
+ AliMedium( 3,"Wires" , 5,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // All other ROB materials (caps, etc.)
+ AliMedium( 4,"ROB Other" , 5,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
// Cu pads
- AliMedium(5, "Padplane$", 5, 1, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium( 5,"Padplane" , 5,1,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
// Fee + cables
- AliMedium(6, "Readout$", 1, 0, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium( 6,"Readout" , 5,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
// C frame
- AliMedium(7, "C Frame$", 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);
+ 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(13, "G10-plates$",12, 0, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(13,"G10-plates" ,12,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
// Cooling water
- AliMedium(14, "Water$", 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;
+ fGasDensity = dgm;
+
+}
+
+//_____________________________________________________________________________
+void AliTRD::DrawModule() const
+{
+ //
+ // Draw a shaded view of the Transition Radiation Detector version 0
+ //
+
+ // Set everything unseen
+ gMC->Gsatt("*" ,"SEEN",-1);
+
+ // Set ALIC mother transparent
+ gMC->Gsatt("ALIC","SEEN", 0);
+
+ // 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("UTR1","SEEN", 0);
+ gMC->Gsatt("UTR2","SEEN", 0);
+ gMC->Gsatt("UTR3","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("UTR1","SEEN", 0);
+ }
+
+ 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
- //
- 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
+ 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)
+void AliTRD::LoadPoints(Int_t )
{
+ //
+ // Store x, y, z of all hits in memory.
+ // Hit originating from TR photons are given a different color
+ //
+
+ if (fHits == 0) {
+ return;
+ }
- if ((imix < 0) || (imix > 1)) {
- printf("Wrong input value: %d\n",imix);
- printf("Use standard setting\n");
- fGasMix = 0;
+ Int_t nhits = fHits->GetEntriesFast();
+ if (nhits == 0) {
return;
}
- fGasMix = imix;
+ Int_t tracks = gAlice->GetMCApp()->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
+ ahit = (AliTRDhit *) FirstHit(-1);
+ while (ahit) {
+
+ // 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 if ((ahit->GetCharge() < 0) &&
+ (fDrawTR)) {
+
+ 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]++;
+
+ }
+
+ ahit = (AliTRDhit *) NextHit();
+
+ }
+
+ 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(kWhite); //PH This is the default color in TRD
+ points->SetMarkerSize(1); //PH Default size=1
+ points->SetPolyMarker(ntrkE[trk],coorE[trk],1); //PH Default style=1
+ 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::SetSensPlane(Int_t iplane)
+void AliTRD::MakeBranch(Option_t *option)
{
+ //
+ // Create Tree branches for the TRD digits.
+ //
- if ((iplane < 0) || (iplane > 6)) {
- printf("Wrong input value: %d\n",iplane);
- printf("Use standard setting\n");
- fSensPlane = 0;
- fSensSelect = 0;
- return;
- }
+ Int_t buffersize = 4000;
+ Char_t branchname[15];
+ sprintf(branchname,"%s",GetName());
+
+ const Char_t *cD = strstr(option,"D");
- fSensSelect = 1;
- fSensPlane = iplane;
+ AliDetector::MakeBranch(option);
+
+ if (fDigits &&
+ gAlice->TreeD() &&
+ cD) {
+ MakeBranchInTree(gAlice->TreeD(),branchname,&fDigits,buffersize,0);
+ }
}
//_____________________________________________________________________________
-void AliTRD::SetSensChamber(Int_t ichamber)
+void AliTRD::ResetDigits()
{
+ //
+ // Reset number of digits and the digits array for this detector
+ //
- if ((ichamber < 0) || (ichamber > 5)) {
- printf("Wrong input value: %d\n",ichamber);
- printf("Use standard setting\n");
- fSensChamber = 0;
- fSensSelect = 0;
- return;
- }
+ fNdigits = 0;
- fSensSelect = 1;
- fSensChamber = ichamber;
+ if (fDigits) {
+ fDigits->Clear();
+ }
}
//_____________________________________________________________________________
-void AliTRD::SetSensSector(Int_t isector)
+void AliTRD::SetTreeAddress()
{
+ //
+ // Set the branch addresses for the trees.
+ //
- if ((isector < 0) || (isector > 18)) {
- printf("Wrong input value: %d\n",isector);
- printf("Use standard setting\n");
- fSensSector = 0;
- fSensSelect = 0;
- return;
+ if (fLoader->TreeH() &&
+ (fHits == 0x0)) {
+ fHits = new TClonesArray("AliTRDhit",405);
}
-
- fSensSelect = 1;
- fSensSector = isector;
+ AliDetector::SetTreeAddress();
}
-ClassImp(AliTRDhit)
-
//_____________________________________________________________________________
-AliTRDhit::AliTRDhit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits):
- AliHit(shunt, track)
+Bool_t AliTRD::Raw2SDigits(AliRawReader *rawReader)
{
//
- // Create a TRD hit
+ // Converts RAW data to SDigits
//
+ 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();
+ }
+
+ AliTRDrawData *rawdata = new AliTRDrawData();
+ AliTRDdigitsManager *sdigitsManager = rawdata->Raw2Digits(rawReader);
+ if (sdigitsManager) {
+ sdigitsManager->SetSDigits(kTRUE);
+ sdigitsManager->MakeBranch(tree);
+ sdigitsManager->WriteDigits();
+ return kTRUE;
+ }
+ else {
+ return kFALSE;
+ }
+
+}
+
+//_____________________________________________________________________________
+AliTRD &AliTRD::operator=(const AliTRD &trd)
+{
//
- // Store volume hierarchy
- fSector = vol[0];
- fChamber = vol[1];
- fPlane = vol[2];
+ // Assignment operator
//
- // 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;
+
}