* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-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
-
-*/
+/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
// //
// Transition Radiation Detector //
// This class contains the basic functions for the Transition Radiation //
-// Detector, as well as the geometry. //
-// 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 "AliConst.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 "AliTRDCommonParam.h"
+#include "AliTRDcalibDB.h"
+
ClassImp(AliTRD)
//_____________________________________________________________________________
AliTRD::AliTRD()
+ :AliDetector()
+ ,fGeometry(0)
+ ,fGasDensity(0)
+ ,fFoilDensity(0)
+ ,fGasNobleFraction(0)
+ ,fDrawTR(0)
+ ,fDisplayType(0)
{
//
// Default constructor
//
-
- Int_t iplan;
-
- fIshunt = 0;
- fGasMix = 0;
- fHits = 0;
- fDigits = 0;
- fHole = 0;
-
- fClusters = 0;
- fNclusters = 0;
-
- // The chamber dimensions
- for (iplan = 0; iplan < kNplan; iplan++) {
- fClengthI[iplan] = 0.;
- fClengthM1[iplan] = 0.;
- fClengthM2[iplan] = 0.;
- fClengthO1[iplan] = 0.;
- fClengthO2[iplan] = 0.;
- fClengthO3[iplan] = 0.;
- fCwidth[iplan] = 0.;
- }
-
- for (iplan = 0; iplan < kNplan; iplan++) {
- for (Int_t icham = 0; icham < kNcham; icham++) {
- for (Int_t isect = 0; isect < kNsect; isect++) {
- fRowMax[iplan][icham][isect] = 0;
- }
- }
- fColMax[iplan] = 0;
- }
- fTimeMax = 0;
-
- fRowPadSize = 0;
- fColPadSize = 0;
- fTimeBinSize = 0;
-
+
}
//_____________________________________________________________________________
AliTRD::AliTRD(const char *name, const char *title)
- : AliDetector(name,title)
+ :AliDetector(name,title)
+ ,fGeometry(0)
+ ,fGasDensity(0)
+ ,fFoilDensity(0)
+ ,fGasNobleFraction(0)
+ ,fDrawTR(0)
+ ,fDisplayType(0)
{
//
// Standard constructor for the TRD
//
- Int_t iplan;
-
- // 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");
+ // 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 according to the FRAME geometry
- if (FRAME->IsVersion() == 0)
- // With hole
- fHole = 1;
- else
- // Without hole
- fHole = 0;
-
- // Allocate the hit array
- fHits = new TClonesArray("AliTRDhit" , 405);
-
- // Allocate the digits array
- fDigits = new TClonesArray("AliTRDdigit" ,10000);
-
- // Allocate the cluster array
- fClusters = new TClonesArray("AliTRDcluster", 400);
- fNclusters = 0;
-
- fIshunt = 0;
- fGasMix = 0;
-
- // The chamber dimensions
- for (iplan = 0; iplan < kNplan; iplan++) {
- fClengthI[iplan] = 0.;
- fClengthM1[iplan] = 0.;
- fClengthM2[iplan] = 0.;
- fClengthO1[iplan] = 0.;
- fClengthO2[iplan] = 0.;
- fClengthO3[iplan] = 0.;
- fCwidth[iplan] = 0.;
+ // Define the TRD geometry
+ if ((frame->IsVersion() == 0) ||
+ (frame->IsVersion() == 1)) {
+ fGeometry = new AliTRDgeometry();
}
-
- for (iplan = 0; iplan < kNplan; iplan++) {
- for (Int_t icham = 0; icham < kNcham; icham++) {
- for (Int_t isect = 0; isect < kNsect; isect++) {
- fRowMax[iplan][icham][isect] = 0;
- }
- }
- fColMax[iplan] = 0;
+ else {
+ AliError("Could not find valid FRAME version\n");
+ exit(1);
}
- fTimeMax = 0;
- fRowPadSize = 0;
- fColPadSize = 0;
- fTimeBinSize = 0;
-
- SetMarkerColor(kWhite);
+ // Allocate the hit array
+ fHits = new TClonesArray("AliTRDhit",405);
+ gAlice->GetMCApp()->AddHitList(fHits);
}
// TRD destructor
//
- fIshunt = 0;
+ if (fGeometry) {
+ delete fGeometry;
+ fGeometry = 0;
+ }
- delete fHits;
- delete fDigits;
- delete fClusters;
+ if (fHits) {
+ delete fHits;
+ fHits = 0;
+ }
}
//_____________________________________________________________________________
-void AliTRD::AddCluster(Int_t *tracks, Int_t *clusters, Float_t *position)
+void AliTRD::Hits2Digits()
{
//
- // Add a cluster for the TRD
- //
+ // 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();
+ }
- TClonesArray &lclusters = *fClusters;
- new(lclusters[fNclusters++]) AliTRDcluster(tracks,clusters,position);
+ fLoader->UnloadHits();
+ fLoader->UnloadDigits();
}
//_____________________________________________________________________________
-void AliTRD::AddDigit(Int_t *tracks, Int_t *digits)
+void AliTRD::Hits2SDigits()
{
//
- // Add a digit for the TRD
+ // Create summable digits
//
- TClonesArray &ldigits = *fDigits;
- new(ldigits[fNdigits++]) AliTRDdigit(tracks,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();
+
}
//_____________________________________________________________________________
-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,kNsect,4);
- Float_t ff = TMath::Cos(kDegrad * 180 / kNsect);
- Float_t rrmin = kRmin / ff;
- Float_t rrmax = kRmax / ff;
- pgon->DefineSection(0,-kZmax1,rrmax,rrmax);
- pgon->DefineSection(1,-kZmax2,rrmin,rrmax);
- pgon->DefineSection(2, kZmax2,rrmin,rrmax);
- pgon->DefineSection(3, kZmax1,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::CreateGeometry()
+void AliTRD::Digits2Raw()
{
//
- // Creates the volumes for the TRD chambers
+ // Convert digits of the current event to raw data
//
- // Author: Christoph Blume (C.Blume@gsi.de) 20/07/99
+
+ 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)
+{
//
- // The volumes:
- // TRD1-3 (Air) --- The TRD mother volumes for one sector.
- // To be placed into the spaceframe.
+ // 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::BuildGeometry()
+{
//
- // UAFI(/M/O) (Al) --- The aluminum frame of the inner(/middle/outer) chambers (readout)
- // UCFI(/M/O) (C) --- The carbon frame of the inner(/middle/outer) chambers
- // (driftchamber + radiator)
- // UAII(/M/O) (Air) --- The inner part of the readout of the inner(/middle/outer) chambers
- // UFII(/M/O) (Air) --- The inner part of the chamner and radiator of the
- // inner(/middle/outer) chambers
+ // Create the ROOT TNode geometry for the TRD
//
- // The material layers in one chamber:
- // UL01 (G10) --- The gas seal of the radiator
- // UL02 (CO2) --- The gas in the radiator
- // UL03 (PE) --- The foil stack
- // UL04 (Mylar) --- Entrance window to the driftvolume and HV-cathode
- // UL05 (Xe) --- The driftvolume
- // UL06 (Xe) --- The amplification region
- //
- // UL07 (Cu) --- The pad plane
- // UL08 (G10) --- The Nomex honeycomb support structure
- // UL09 (Cu) --- FEE and signal lines
- // UL10 (PE) --- The cooling devices
- // UL11 (Water) --- The cooling water
- // Check that FRAME is there otherwise we have no place where to put the TRD
- AliModule* FRAME = gAlice->GetModule("FRAME");
- if (!FRAME) return;
-
- Int_t iplan;
-
- const Int_t npar_trd = 4;
- const Int_t npar_cha = 3;
-
- Float_t par_dum[3];
- Float_t par_trd[npar_trd];
- Float_t par_cha[npar_cha];
-
- Float_t xpos, ypos, zpos;
-
- Int_t *idtmed = fIdtmed->GetArray() - 1299;
-
- // The length of the inner chambers
- for (iplan = 0; iplan < kNplan; iplan++)
- fClengthI[iplan] = 110.0;
-
- // The length of the middle chambers
- fClengthM1[0] = 123.5;
- fClengthM1[1] = 131.0;
- fClengthM1[2] = 138.5;
- fClengthM1[3] = 146.0;
- fClengthM1[4] = 153.0;
- fClengthM1[5] = 160.5;
-
- fClengthM2[0] = 123.5 - 7.0;
- fClengthM2[1] = 131.0 - 7.0;
- fClengthM2[2] = 138.5 - 7.0;
- fClengthM2[3] = 146.0 - 7.0;
- fClengthM2[4] = 153.0 - 7.0;
- fClengthM2[5] = 160.4 - 7.0;
-
- // The length of the outer chambers
- fClengthO1[0] = 123.5;
- fClengthO1[1] = 131.0;
- fClengthO1[2] = 134.5;
- fClengthO1[3] = 142.0;
- fClengthO1[4] = 142.0;
- fClengthO1[5] = 134.5;
-
- fClengthO2[0] = 123.5;
- fClengthO2[1] = 131.0;
- fClengthO2[2] = 134.5;
- fClengthO2[3] = 142.0;
- fClengthO2[4] = 142.0;
- fClengthO2[5] = 134.5;
-
- fClengthO3[0] = 86.5;
- fClengthO3[1] = 101.5;
- fClengthO3[2] = 112.5;
- fClengthO3[3] = 127.5;
- fClengthO3[4] = 134.5;
- fClengthO3[5] = 134.5;
-
- // The width of the chambers
- fCwidth[0] = 99.6;
- fCwidth[1] = 104.1;
- fCwidth[2] = 108.5;
- fCwidth[3] = 112.9;
- fCwidth[4] = 117.4;
- fCwidth[5] = 121.8;
-
- // The TRD mother volume for one sector (Air) (dimensions identical to BTR1)
- par_trd[0] = kSwidth1/2.;
- par_trd[1] = kSwidth2/2.;
- par_trd[2] = kSlenTR1/2.;
- par_trd[3] = kSheight/2.;
- gMC->Gsvolu("TRD1","TRD1",idtmed[1302-1],par_trd,npar_trd);
+ 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 iLayer;
+
+ const Int_t kColorTRD = 46;
+
+ // Find the top node alice
+ top = gAlice->GetGeometry()->GetNode("alice");
- // The TRD mother volume for one sector (Air) (dimensions identical to BTR2 + BTR3).
- // Only used for the geometry with holes.
- if (fHole) {
-
- par_trd[0] = kSwidth1/2.;
- par_trd[1] = kSwidth2/2.;
- par_trd[2] = kSlenTR2/2.;
- par_trd[3] = kSheight/2.;
- gMC->Gsvolu("TRD2","TRD1",idtmed[1302-1],par_trd,npar_trd);
-
- par_trd[0] = kSwidth1/2.;
- par_trd[1] = kSwidth2/2.;
- par_trd[2] = kSlenTR3/2.;
- par_trd[3] = kSheight/2.;
- gMC->Gsvolu("TRD3","TRD1",idtmed[1302-1],par_trd,npar_trd);
+ if (fDisplayType == 0) {
+
+ pgon = new TPGON("S_TRD","TRD","void",0,360,AliTRDgeometry::Nsector(),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 (iLayer = 0; iLayer < AliTRDgeometry::Nlayer(); iLayer++) {
+
+ sprintf(name,"S_TR1%d",iLayer);
+ pgon = new TPGON(name,"TRD","void",0,360,AliTRDgeometry::Nsector(),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;
- // The aluminum frames - readout + electronics (Al)
- // The inner chambers
- gMC->Gsvolu("UAFI","BOX ",idtmed[1301-1],par_dum,0);
- // The middle chambers
- gMC->Gsvolu("UAFM","BOX ",idtmed[1301-1],par_dum,0);
- // The outer chambers
- gMC->Gsvolu("UAFO","BOX ",idtmed[1301-1],par_dum,0);
-
- // The inner part of the aluminum frames (Air)
- // The inner chambers
- gMC->Gsvolu("UAII","BOX ",idtmed[1302-1],par_dum,0);
- // The middle chambers
- gMC->Gsvolu("UAIM","BOX ",idtmed[1302-1],par_dum,0);
- // The outer chambers
- gMC->Gsvolu("UAIO","BOX ",idtmed[1302-1],par_dum,0);
-
- // The carbon frames - radiator + driftchamber (C)
- // The inner chambers
- gMC->Gsvolu("UCFI","BOX ",idtmed[1307-1],par_dum,0);
- // The middle chambers
- gMC->Gsvolu("UCFM","BOX ",idtmed[1307-1],par_dum,0);
- // The outer chambers
- gMC->Gsvolu("UCFO","BOX ",idtmed[1307-1],par_dum,0);
-
- // The inner part of the carbon frames (Air)
- // The inner chambers
- gMC->Gsvolu("UCII","BOX ",idtmed[1302-1],par_dum,0);
- // The middle chambers
- gMC->Gsvolu("UCIM","BOX ",idtmed[1302-1],par_dum,0);
- // The outer chambers
- gMC->Gsvolu("UCIO","BOX ",idtmed[1302-1],par_dum,0);
-
- // The material layers inside the chambers
- par_cha[0] = -1.;
- par_cha[1] = -1.;
- // G10 layer (radiator seal)
- par_cha[2] = kSeThick/2;
- gMC->Gsvolu("UL01","BOX ",idtmed[1313-1],par_cha,npar_cha);
- // CO2 layer (radiator)
- par_cha[2] = kRaThick/2;
- gMC->Gsvolu("UL02","BOX ",idtmed[1312-1],par_cha,npar_cha);
- // PE layer (radiator)
- par_cha[2] = kPeThick/2;
- gMC->Gsvolu("UL03","BOX ",idtmed[1303-1],par_cha,npar_cha);
- // Mylar layer (entrance window + HV cathode)
- par_cha[2] = kMyThick/2;
- gMC->Gsvolu("UL04","BOX ",idtmed[1308-1],par_cha,npar_cha);
- // Xe/Isobutane layer (drift volume, sensitive)
- par_cha[2] = kDrThick/2.;
- gMC->Gsvolu("UL05","BOX ",idtmed[1309-1],par_cha,npar_cha);
- // Xe/Isobutane layer (amplification volume, not sensitive)
- par_cha[2] = kAmThick/2.;
- gMC->Gsvolu("UL06","BOX ",idtmed[1309-1],par_cha,npar_cha);
-
- // Cu layer (pad plane)
- par_cha[2] = kCuThick/2;
- gMC->Gsvolu("UL07","BOX ",idtmed[1305-1],par_cha,npar_cha);
- // G10 layer (support structure)
- par_cha[2] = kSuThick/2;
- gMC->Gsvolu("UL08","BOX ",idtmed[1313-1],par_cha,npar_cha);
- // Cu layer (FEE + signal lines)
- par_cha[2] = kFeThick/2;
- gMC->Gsvolu("UL09","BOX ",idtmed[1305-1],par_cha,npar_cha);
- // PE layer (cooling devices)
- par_cha[2] = kCoThick/2;
- gMC->Gsvolu("UL10","BOX ",idtmed[1303-1],par_cha,npar_cha);
- // Water layer (cooling)
- par_cha[2] = kWaThick/2;
- gMC->Gsvolu("UL11","BOX ",idtmed[1314-1],par_cha,npar_cha);
-
- // Position the layers in the chambers
- xpos = 0;
- ypos = 0;
-
- // G10 layer (radiator seal)
- zpos = kSeZpos;
- gMC->Gspos("UL01",1,"UCII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL01",2,"UCIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL01",3,"UCIO",xpos,ypos,zpos,0,"ONLY");
- // CO2 layer (radiator)
- zpos = kRaZpos;
- gMC->Gspos("UL02",1,"UCII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL02",2,"UCIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL02",3,"UCIO",xpos,ypos,zpos,0,"ONLY");
- // PE layer (radiator)
- zpos = 0;
- gMC->Gspos("UL03",1,"UL02",xpos,ypos,zpos,0,"ONLY");
- // Mylar layer (entrance window + HV cathode)
- zpos = kMyZpos;
- gMC->Gspos("UL04",1,"UCII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL04",2,"UCIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL04",3,"UCIO",xpos,ypos,zpos,0,"ONLY");
- // Xe/Isobutane layer (drift volume)
- zpos = kDrZpos;
- gMC->Gspos("UL05",1,"UCII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL05",2,"UCIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL05",3,"UCIO",xpos,ypos,zpos,0,"ONLY");
- // Xe/Isobutane layer (amplification volume)
- zpos = kAmZpos;
- gMC->Gspos("UL06",1,"UCII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL06",2,"UCIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL06",3,"UCIO",xpos,ypos,zpos,0,"ONLY");
-
- // Cu layer (pad plane)
- zpos = kCuZpos;
- gMC->Gspos("UL07",1,"UAII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL07",2,"UAIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL07",3,"UAIO",xpos,ypos,zpos,0,"ONLY");
- // G10 layer (support structure)
- zpos = kSuZpos;
- gMC->Gspos("UL08",1,"UAII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL08",2,"UAIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL08",3,"UAIO",xpos,ypos,zpos,0,"ONLY");
- // Cu layer (FEE + signal lines)
- zpos = kFeZpos;
- gMC->Gspos("UL09",1,"UAII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL09",2,"UAIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL09",3,"UAIO",xpos,ypos,zpos,0,"ONLY");
- // PE layer (cooling devices)
- zpos = kCoZpos;
- gMC->Gspos("UL10",1,"UAII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL10",2,"UAIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL10",3,"UAIO",xpos,ypos,zpos,0,"ONLY");
- // Water layer (cooling)
- zpos = kWaZpos;
- gMC->Gspos("UL11",1,"UAII",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL11",1,"UAIM",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("UL11",1,"UAIO",xpos,ypos,zpos,0,"ONLY");
-
- // Position the chambers in the TRD mother volume
- for (iplan = 1; iplan <= kNplan; iplan++) {
-
- // The inner chambers ---------------------------------------------------------------
-
- // the aluminum frame
- par_cha[0] = fCwidth[iplan-1]/2.;
- par_cha[1] = fClengthI[iplan-1]/2.;
- par_cha[2] = kCaframe/2.;
- xpos = 0.;
- ypos = 0.;
- zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UAFI",iplan ,"TRD1",xpos,ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the aluminum frame
- par_cha[0] = fCwidth[iplan-1]/2. - kCathick;
- par_cha[1] = fClengthI[iplan-1]/2. - kCathick;
- par_cha[2] = kCaframe/2.;
- xpos = 0.;
- ypos = 0.;
- zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UAII",iplan ,"TRD1",xpos,ypos,zpos,0,"ONLY",par_cha,npar_cha);
-
- // the carbon frame
- par_cha[0] = fCwidth[iplan-1]/2.;
- par_cha[1] = fClengthI[iplan-1]/2.;
- par_cha[2] = kCcframe/2.;
- xpos = 0.;
- ypos = 0.;
- zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UCFI",iplan ,"TRD1",xpos,ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the carbon frame
- par_cha[0] = fCwidth[iplan-1]/2. - kCcthick;
- par_cha[1] = fClengthI[iplan-1]/2. - kCcthick;
- par_cha[2] = kCcframe/2.;
- xpos = 0.;
- ypos = 0.;
- zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UCII",iplan ,"TRD1",xpos,ypos,zpos,0,"ONLY",par_cha,npar_cha);
-
- // The middle chambers --------------------------------------------------------------
-
- // the aluminum frame
- par_cha[0] = fCwidth[iplan-1]/2.;
- par_cha[1] = fClengthM1[iplan-1]/2.;
- par_cha[2] = kCaframe/2.;
- xpos = 0.;
- ypos = fClengthI[iplan-1]/2. + fClengthM1[iplan-1]/2.;
- zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UAFM",iplan ,"TRD1",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
- gMC->Gsposp("UAFM",iplan+ kNplan,"TRD1",xpos,-ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the aluminum frame
- par_cha[0] = fCwidth[iplan-1]/2. - kCathick;
- par_cha[1] = fClengthM1[iplan-1]/2. - kCathick;
- par_cha[2] = kCaframe/2.;
- xpos = 0.;
- ypos = fClengthI[iplan-1]/2. + fClengthM1[iplan-1]/2.;
- zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UAIM",iplan ,"TRD1",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
- gMC->Gsposp("UAIM",iplan+ kNplan,"TRD1",xpos,-ypos,zpos,0,"ONLY",par_cha,npar_cha);
-
- // the carbon frame
- par_cha[0] = fCwidth[iplan-1]/2.;
- par_cha[1] = fClengthM1[iplan-1]/2.;
- par_cha[2] = kCcframe/2.;
- xpos = 0.;
- ypos = fClengthI[iplan-1]/2. + fClengthM1[iplan-1]/2.;
- zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UCFM",iplan ,"TRD1",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
- gMC->Gsposp("UCFM",iplan+ kNplan,"TRD1",xpos,-ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the carbon frame
- par_cha[0] = fCwidth[iplan-1]/2. - kCcthick;
- par_cha[1] = fClengthM1[iplan-1]/2. - kCcthick;
- par_cha[2] = kCcframe/2.;
- xpos = 0.;
- ypos = fClengthI[iplan-1]/2. + fClengthM1[iplan-1]/2.;
- zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UCIM",iplan ,"TRD1",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
- gMC->Gsposp("UCIM",iplan+ kNplan,"TRD1",xpos,-ypos,zpos,0,"ONLY",par_cha,npar_cha);
-
- // Only for the geometry with holes
- if (fHole) {
-
- // the aluminum frame
- par_cha[0] = fCwidth[iplan-1]/2.;
- par_cha[1] = fClengthM2[iplan-1]/2.;
- par_cha[2] = kCaframe/2.;
- xpos = 0.;
- ypos = fClengthM2[iplan-1]/2. - kSlenTR2/2.;
- zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UAFM",iplan+2*kNplan,"TRD2",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the aluminum frame
- par_cha[0] = fCwidth[iplan-1]/2. - kCathick;
- par_cha[1] = fClengthM2[iplan-1]/2. - kCathick;
- par_cha[2] = kCaframe/2.;
- xpos = 0.;
- ypos = fClengthM2[iplan-1]/2. - kSlenTR2/2.;
- zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UAIM",iplan+2*kNplan,"TRD2",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
-
- // the carbon frame
- par_cha[0] = fCwidth[iplan-1]/2.;
- par_cha[1] = fClengthM2[iplan-1]/2.;
- par_cha[2] = kCcframe/2.;
- xpos = 0.;
- ypos = fClengthM2[iplan-1]/2. - kSlenTR2/2.;
- zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UCFM",iplan+2*kNplan,"TRD2",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the carbon frame
- par_cha[0] = fCwidth[iplan-1]/2. - kCcthick;
- par_cha[1] = fClengthM2[iplan-1]/2. - kCcthick;
- par_cha[2] = kCcframe/2.;
- xpos = 0.;
- ypos = fClengthM2[iplan-1]/2. - kSlenTR2/2.;
- zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UCIM",iplan+2*kNplan,"TRD2",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
-
}
- // The outer chambers ---------------------------------------------------------------
-
- // the aluminum frame
- par_cha[0] = fCwidth[iplan-1]/2.;
- par_cha[1] = fClengthO1[iplan-1]/2.;
- par_cha[2] = kCaframe/2.;
- xpos = 0.;
- ypos = fClengthI[iplan-1]/2. + fClengthM1[iplan-1] + fClengthO1[iplan-1]/2.;
- zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UAFO",iplan ,"TRD1",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
- gMC->Gsposp("UAFO",iplan+ kNplan,"TRD1",xpos,-ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the aluminum frame
- par_cha[0] = fCwidth[iplan-1]/2. - kCathick;
- par_cha[1] = fClengthO1[iplan-1]/2. - kCathick;
- par_cha[2] = kCaframe/2.;
- xpos = 0.;
- ypos = fClengthI[iplan-1]/2. + fClengthM1[iplan-1] + fClengthO1[iplan-1]/2.;
- zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UAIO",iplan ,"TRD1",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
- gMC->Gsposp("UAIO",iplan+ kNplan,"TRD1",xpos,-ypos,zpos,0,"ONLY",par_cha,npar_cha);
-
- // the carbon frame
- par_cha[0] = fCwidth[iplan-1]/2.;
- par_cha[1] = fClengthO1[iplan-1]/2.;
- par_cha[2] = kCcframe/2.;
- xpos = 0.;
- ypos = fClengthI[iplan-1]/2. + fClengthM1[iplan-1] + fClengthO1[iplan-1]/2.;
- zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UCFO",iplan, "TRD1",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
- gMC->Gsposp("UCFO",iplan+ kNplan,"TRD1",xpos,-ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the carbon frame
- par_cha[0] = fCwidth[iplan-1]/2. - kCcthick;
- par_cha[1] = fClengthO1[iplan-1]/2. - kCcthick;
- par_cha[2] = kCcframe/2.;
- xpos = 0.;
- ypos = fClengthI[iplan-1]/2. + fClengthM1[iplan-1] + fClengthO1[iplan-1]/2.;
- zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UCIO",iplan ,"TRD1",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
- gMC->Gsposp("UCIO",iplan+ kNplan,"TRD1",xpos,-ypos,zpos,0,"ONLY",par_cha,npar_cha);
-
- // Only for the geometry with holes
- if (fHole) {
-
- // the aluminum frame
- par_cha[0] = fCwidth[iplan-1]/2.;
- par_cha[1] = fClengthO2[iplan-1]/2.;
- par_cha[2] = kCaframe/2.;
- xpos = 0.;
- ypos = fClengthM2[iplan-1] + fClengthO2[iplan-1]/2. - kSlenTR2/2.;
- zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UAFO",iplan+2*kNplan,"TRD2",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the aluminum frame
- par_cha[0] = fCwidth[iplan-1]/2. - kCathick;
- par_cha[1] = fClengthO2[iplan-1]/2. - kCathick;
- par_cha[2] = kCaframe/2.;
- xpos = 0.;
- ypos = fClengthM2[iplan-1] + fClengthO2[iplan-1]/2. - kSlenTR2/2.;
- zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UAIO",iplan+2*kNplan,"TRD2",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
-
- // the carbon frame
- par_cha[0] = fCwidth[iplan-1]/2.;
- par_cha[1] = fClengthO2[iplan-1]/2.;
- par_cha[2] = kCcframe/2.;
- xpos = 0.;
- ypos = fClengthM2[iplan-1] + fClengthO2[iplan-1]/2. - kSlenTR2/2.;
- zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UCFO",iplan+2*kNplan,"TRD2",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the carbon frame
- par_cha[0] = fCwidth[iplan-1]/2. - kCcthick;
- par_cha[1] = fClengthO2[iplan-1]/2. - kCcthick;
- par_cha[2] = kCcframe/2.;
- xpos = 0.;
- ypos = fClengthM2[iplan-1] + fClengthO2[iplan-1]/2. - kSlenTR2/2.;
- zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UCIO",iplan+2*kNplan,"TRD2",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
-
- // the aluminum frame
- par_cha[0] = fCwidth[iplan-1]/2.;
- par_cha[1] = fClengthO3[iplan-1]/2.;
- par_cha[2] = kCaframe/2.;
- xpos = 0.;
- ypos = fClengthO3[iplan-1]/2. - kSlenTR3/2.;
- zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UAFO",iplan+4*kNplan,"TRD3",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the aluminum frame
- par_cha[0] = fCwidth[iplan-1]/2. - kCathick;
- par_cha[1] = fClengthO3[iplan-1]/2. - kCathick;
- par_cha[2] = kCaframe/2.;
- xpos = 0.;
- ypos = fClengthO3[iplan-1]/2. - kSlenTR3/2.;
- zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UAIO",iplan+4*kNplan,"TRD3",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
-
- // the carbon frame
- par_cha[0] = fCwidth[iplan-1]/2.;
- par_cha[1] = fClengthO3[iplan-1]/2.;
- par_cha[2] = kCcframe/2.;
- xpos = 0.;
- ypos = fClengthO3[iplan-1]/2. - kSlenTR3/2.;
- zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UCFO",iplan+4*kNplan,"TRD3",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the carbon frame
- par_cha[0] = fCwidth[iplan-1]/2. - kCcthick;
- par_cha[1] = fClengthO3[iplan-1]/2. - kCcthick;
- par_cha[2] = kCcframe/2.;
- xpos = 0.;
- ypos = fClengthO3[iplan-1]/2. - kSlenTR3/2.;
- zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UCIO",iplan+4*kNplan,"TRD3",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
+ thickness += AliTRDgeometry::DrThick();
+ rmin = kRmin + thickness;
+ rmax = rmin + AliTRDgeometry::AmThick();
+ zmax2 = kZmax2 + slope * thickness;
+ zmax1 = zmax2 + slope * AliTRDgeometry::AmThick();
+
+ for (iLayer = 0; iLayer < AliTRDgeometry::Nlayer(); iLayer++) {
+
+ sprintf(name,"S_TR2%d",iLayer);
+ pgon = new TPGON(name,"TRD","void",0,360,AliTRDgeometry::Nsector(),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;
}
}
- if (fHole) {
- xpos = 0.;
- ypos = 0.;
- zpos = 0.;
- gMC->Gspos("TRD1",1,"BTR1",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("TRD2",1,"BTR2",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("TRD3",1,"BTR3",xpos,ypos,zpos,0,"ONLY");
- }
- else {
- xpos = 0.;
- ypos = 0.;
- zpos = 0.;
- gMC->Gspos("TRD1",1,"BTR1",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("TRD1",2,"BTR2",xpos,ypos,zpos,0,"ONLY");
- gMC->Gspos("TRD1",3,"BTR3",xpos,ypos,zpos,0,"ONLY");
+}
+
+//_____________________________________________________________________________
+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);
+
}
//_____________________________________________________________________________
{
//
// 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; // 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$", awa, zwa, dwa, -2, wwa);
-
- // Gas mixtures
- Char_t namate[21];
- // Xe/CO2-mixture
- // Get properties of Xe
- gMC->Gfmate((*fIdmate)[4], namate, agm[0], zgm[0], d, radl, absl, buf, nbuf);
- // Get properties of CO2
- gMC->Gfmate((*fIdmate)[8], namate, agm[1], zgm[1], d, radl, absl, buf, nbuf);
- // Create gas mixture
- wgm[0] = fxc;
- wgm[1] = 1. - fxc;
- dgm = wgm[0] * dxe + wgm[1] * dco;
- AliMixture(10, "Gas mixture 1$", 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$", agm, zgm, dgm, 2, wgm);
-
+ AliMixture(2, "Air" , aAir, zAir, dAir, 4, wAir );
+ AliMixture(3, "Polyethilene", ape, zpe, dpe, -2, wpe );
+ AliMixture(8, "CO2", aco, zco, dco, -2, wco );
+ if (AliTRDSimParam::Instance()->IsXenon()) {
+ AliMixture(10,"XeCO2", aXeCO2, zXeCO2, dgmXe, -3, wXeCO2);
+ }
+ else if (AliTRDSimParam::Instance()->IsArgon()) {
+ AliInfo("Gas mixture: Ar C02 (80/20)");
+ AliMixture(10,"ArCO2", aArCO2, zArCO2, dgmAr, -3, wArCO2);
+ }
+ else {
+ AliFatal("Wrong gas mixture");
+ exit(1);
+ }
+ AliMixture(12,"G10", aG10, zG10, dG10, 4, wG10 );
+ AliMixture(13,"Water", awa, zwa, dwa, -2, wwa );
+ AliMixture(14,"Plexiglas", apg, zpg, dpg, -3, wpg );
+ AliMixture(17,"Epoxy", aEpoxy, zEpoxy, dEpoxy, -3, wEpoxy);
+ AliMixture(19,"Araldite", aAral, zAral, dAral, -3, wAral );
+
//////////////////////////////////////////////////////////////////////////
// Tracking Media Parameters
//////////////////////////////////////////////////////////////////////////
// Al Frame
- AliMedium(1, "Al Frame$", 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;
+ if (AliTRDSimParam::Instance()->IsXenon()) {
+ fGasDensity = dgmXe;
+ fGasNobleFraction = fxc;
+ }
+ else if (AliTRDSimParam::Instance()->IsArgon()) {
+ fGasDensity = dgmAr;
+ fGasNobleFraction = fac;
+ }
}
//_____________________________________________________________________________
-void AliTRD::DrawModule()
+void AliTRD::DrawModule() const
{
//
// Draw a shaded view of the Transition Radiation Detector version 0
gMC->Gsatt("ALIC","SEEN", 0);
// Set the volumes visible
- if (fHole) {
+ if (fGeometry->IsVersion() == 0) {
gMC->Gsatt("B071","SEEN", 0);
gMC->Gsatt("B074","SEEN", 0);
gMC->Gsatt("B075","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);
+ gMC->Gsatt("UTR1","SEEN", 0);
+ gMC->Gsatt("UTR2","SEEN", 0);
+ gMC->Gsatt("UTR3","SEEN", 0);
}
else {
gMC->Gsatt("B071","SEEN", 0);
gMC->Gsatt("BTR1","SEEN", 0);
gMC->Gsatt("BTR2","SEEN", 0);
gMC->Gsatt("BTR3","SEEN", 0);
- gMC->Gsatt("TRD1","SEEN", 0);
+ gMC->Gsatt("UTR1","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);
gMC->Gdopt("hide", "on");
gMC->Gdopt("shad", "on");
gMC->Gdman(18, 4, "MAN");
}
-
+
//_____________________________________________________________________________
-Int_t AliTRD::DistancetoPrimitive(Int_t , Int_t )
+void AliTRD::Init()
{
//
- // Distance between the mouse and the TRD detector on the screen
- // Dummy routine
-
- return 9999;
+ // Initialize the TRD detector after the geometry has been created
+ //
+
+ 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::Init()
+void AliTRD::LoadPoints(Int_t )
{
//
- // Initialise the TRD detector after the geometry has been created
+ // Store x, y, z of all hits in memory.
+ // Hit originating from TR photons are given a different color
//
- Int_t i;
- Int_t iplan;
+ if (fHits == 0) {
+ return;
+ }
+
+ Int_t nhits = fHits->GetEntriesFast();
+ if (nhits == 0) {
+ return;
+ }
+
+ Int_t tracks = gAlice->GetMCApp()->GetNtrack();
+ if (fPoints == 0) {
+ fPoints = new TObjArray(tracks);
+ }
+
+ AliTRDhit *ahit;
- printf("\n");
- for(i=0;i<35;i++) printf("*");
- printf(" TRD_INIT ");
- for(i=0;i<35;i++) printf("*");
- printf("\n");
+ 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;
+ }
- // 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 (fHole)
- printf(" Geometry with holes\n");
- else
- printf(" Full geometry\n");
-
- // The default pad dimensions
- if (!(fRowPadSize)) fRowPadSize = 4.5;
- if (!(fColPadSize)) fColPadSize = 1.0;
- if (!(fTimeBinSize)) fTimeBinSize = 0.1;
-
- // The maximum number of pads
- // and the position of pad 0,0,0
- //
- // chambers seen from the top:
- // +----------------------------+
- // | |
- // | | ^
- // | | rphi|
- // | | |
- // |0 | |
- // +----------------------------+ +------>
- // z
- // chambers seen from the side: ^
- // +----------------------------+ time|
- // | | |
- // |0 | |
- // +----------------------------+ +------>
- // z
- //
- for (iplan = 0; iplan < kNplan; iplan++) {
-
- // The pad row (z-direction)
- for (Int_t isect = 0; isect < kNsect; isect++) {
- Float_t clengthI = fClengthI[iplan];
- Float_t clengthM = fClengthM1[iplan];
- Float_t clengthO = fClengthO1[iplan];
- if (fHole) {
- switch (isect) {
- case 12:
- case 13:
- case 14:
- case 15:
- case 16:
- clengthM = fClengthM2[iplan];
- clengthO = fClengthO2[iplan];
- break;
- case 4:
- case 5:
- case 6:
- clengthO = fClengthO3[iplan];
- break;
- };
+ 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];
}
- fRowMax[iplan][0][isect] = 1 + TMath::Nint((clengthO - 2. * kCcthick)
- / fRowPadSize - 0.5);
- fRowMax[iplan][1][isect] = 1 + TMath::Nint((clengthM - 2. * kCcthick)
- / fRowPadSize - 0.5);
- fRowMax[iplan][2][isect] = 1 + TMath::Nint((clengthI - 2. * kCcthick)
- / fRowPadSize - 0.5);
- fRowMax[iplan][3][isect] = 1 + TMath::Nint((clengthM - 2. * kCcthick)
- / fRowPadSize - 0.5);
- fRowMax[iplan][4][isect] = 1 + TMath::Nint((clengthO - 2. * kCcthick)
- / fRowPadSize - 0.5);
- fRow0[iplan][0][isect] = -clengthI/2. - clengthM - clengthO + kCcthick;
- fRow0[iplan][1][isect] = -clengthI/2. - clengthM + kCcthick;
- fRow0[iplan][2][isect] = -clengthI/2. + kCcthick;
- fRow0[iplan][3][isect] = clengthI/2. + kCcthick;
- fRow0[iplan][4][isect] = clengthI/2. + clengthM + kCcthick;
+ 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]++;
+
}
- // The pad column (rphi-direction)
- fColMax[iplan] = 1 + TMath::Nint((fCwidth[iplan] - 2. * kCcthick)
- / fColPadSize - 0.5);
- fCol0[iplan] = -fCwidth[iplan]/2. + kCcthick;
+ ahit = (AliTRDhit *) NextHit();
}
- // The time bucket
- fTimeMax = 1 + TMath::Nint(kDrThick / fTimeBinSize - 0.5);
- for (iplan = 0; iplan < kNplan; iplan++) {
- fTime0[iplan] = kRmin + kCcframe/2. + kDrZpos - 0.5 * kDrThick
- + iplan * (kCheight + kCspace);
- }
+ for (trk = 0; trk < tracks; ++trk) {
-}
+ if (ntrkE[trk] || ntrkT[trk]) {
-//_____________________________________________________________________________
-void AliTRD::MakeBranch(Option_t* option)
-{
- //
- // Create Tree branches for the TRD digits and cluster.
- //
+ points = new AliTRDpoints();
+ points->SetDetector(this);
+ points->SetParticle(trk);
- Int_t buffersize = 4000;
- Char_t branchname[15];
+ // 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;
+ }
- AliDetector::MakeBranch(option);
+ // Set the TR photon points
+ if (ntrkT[trk]) {
+ points->SetTRpoints(ntrkT[trk],coorT[trk]);
+ delete [] coorT[trk];
+ coorT[trk] = 0;
+ }
- Char_t *D = strstr(option,"D");
- sprintf(branchname,"%s",GetName());
- if (fDigits && gAlice->TreeD() && D) {
- gAlice->TreeD()->Branch(branchname,&fDigits, buffersize);
- printf("* AliTRD::MakeBranch * Making Branch %s for digits in TreeD\n",branchname);
- }
+ fPoints->AddAt(points,trk);
+
+ }
- sprintf(branchname,"%scluster",GetName());
- if (fClusters && gAlice->TreeD() && D) {
- gAlice->TreeD()->Branch(branchname,&fClusters,buffersize);
- printf("* AliTRD::MakeBranch * Making Branch %s for cluster in TreeD\n",branchname);
}
+ delete [] coorE;
+ delete [] coorT;
+ delete [] ntrkE;
+ delete [] ntrkT;
+ delete [] limiE;
+ delete [] limiT;
+
}
//_____________________________________________________________________________
-void AliTRD::SetTreeAddress()
+void AliTRD::MakeBranch(Option_t *option)
{
//
- // Set the branch addresses for the trees.
+ // Create Tree branches for the TRD digits.
//
+ Int_t buffersize = 4000;
Char_t branchname[15];
+ sprintf(branchname,"%s",GetName());
- AliDetector::SetTreeAddress();
+ const Char_t *cD = strstr(option,"D");
- TBranch *branch;
- TTree *treeD = gAlice->TreeD();
+ AliDetector::MakeBranch(option);
- if (treeD) {
- sprintf(branchname,"%scluster",GetName());
- if (fClusters) {
- branch = treeD->GetBranch(branchname);
- if (branch) branch->SetAddress(&fClusters);
- }
+ if (fDigits &&
+ gAlice->TreeD() &&
+ cD) {
+ MakeBranchInTree(gAlice->TreeD(),branchname,&fDigits,buffersize,0);
}
}
//_____________________________________________________________________________
-void AliTRD::SetGasMix(Int_t imix)
+void AliTRD::ResetDigits()
{
//
- // Defines the gas mixture (imix=0: Xe/Isobutane imix=1: Xe/CO2)
+ // 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;
- }
-
- fGasMix = imix;
-}
+ fNdigits = 0;
-//______________________________________________________________________________
-void AliTRD::Streamer(TBuffer &R__b)
-{
- // Stream an object of class AliTRD.
-
- if (R__b.IsReading()) {
- Version_t R__v = R__b.ReadVersion(); if (R__v) { }
- AliDetector::Streamer(R__b);
- R__b >> fGasMix;
- R__b.ReadStaticArray(fClengthI);
- R__b.ReadStaticArray(fClengthM1);
- R__b.ReadStaticArray(fClengthM2);
- R__b.ReadStaticArray(fClengthO1);
- R__b.ReadStaticArray(fClengthO2);
- R__b.ReadStaticArray(fClengthO3);
- R__b.ReadStaticArray(fCwidth);
- R__b.ReadStaticArray((int*)fRowMax);
- R__b.ReadStaticArray(fColMax);
- R__b >> fTimeMax;
- R__b.ReadStaticArray((float*)fRow0);
- R__b.ReadStaticArray(fCol0);
- R__b.ReadStaticArray(fTime0);
- R__b >> fRowPadSize;
- R__b >> fColPadSize;
- R__b >> fTimeBinSize;
- R__b >> fHole;
- // Stream the pointers but not the TClonesArray
- R__b >> fClusters; // diff
- //R__b >> fNclusters;
- } else {
- R__b.WriteVersion(AliTRD::IsA());
- AliDetector::Streamer(R__b);
- R__b << fGasMix;
- R__b.WriteArray(fClengthI, 6);
- R__b.WriteArray(fClengthM1, 6);
- R__b.WriteArray(fClengthM2, 6);
- R__b.WriteArray(fClengthO1, 6);
- R__b.WriteArray(fClengthO2, 6);
- R__b.WriteArray(fClengthO3, 6);
- R__b.WriteArray(fCwidth, 6);
- R__b.WriteArray((int*)fRowMax, 540);
- R__b.WriteArray(fColMax, 6);
- R__b << fTimeMax;
- R__b.WriteArray((float*)fRow0, 540);
- R__b.WriteArray(fCol0, 6);
- R__b.WriteArray(fTime0, 6);
- R__b << fRowPadSize;
- R__b << fColPadSize;
- R__b << fTimeBinSize;
- R__b << fHole;
- // Stream the pointers but not the TClonesArrays
- R__b << fClusters; // diff
- //R__b << fNclusters;
- }
+ if (fDigits) {
+ fDigits->Clear();
+ }
}
-ClassImp(AliTRDhit)
-
//_____________________________________________________________________________
-AliTRDhit::AliTRDhit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits)
- :AliHit(shunt, track)
+void AliTRD::SetTreeAddress()
{
//
- // Create a TRD hit
+ // Set the branch addresses for the trees.
//
- // 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 (fLoader->TreeH() &&
+ (fHits == 0x0)) {
+ fHits = new TClonesArray("AliTRDhit",405);
+ }
+ AliDetector::SetTreeAddress();
}
-ClassImp(AliTRDdigit)
-
//_____________________________________________________________________________
-AliTRDdigit::AliTRDdigit(Int_t *tracks, Int_t *digits)
- :AliDigit(tracks)
+Bool_t AliTRD::Raw2SDigits(AliRawReader *rawReader)
{
//
- // Create a TRD digit
+ // Converts RAW data to SDigits
//
- // Store the volume hierarchy
- fSector = digits[0];
- fChamber = digits[1];
- fPlane = digits[2];
-
- // Store the row, pad, and time bucket number
- fRow = digits[3];
- fCol = digits[4];
- fTime = digits[5];
+ 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();
+ }
- // Store the signal amplitude
- fSignal = digits[6];
+ AliTRDrawData *rawdata = new AliTRDrawData();
+ AliTRDdigitsManager *sdigitsManager = rawdata->Raw2Digits(rawReader);
+ if (sdigitsManager) {
+ sdigitsManager->SetSDigits(kTRUE);
+ sdigitsManager->MakeBranch(tree);
+ sdigitsManager->WriteDigits();
+ return kTRUE;
+ }
+ else {
+ return kFALSE;
+ }
}
-ClassImp(AliTRDcluster)
+//_____________________________________________________________________________
+AliLoader* AliTRD::MakeLoader(const char* topfoldername)
+{
+ fLoader = new AliLoader(GetName(),topfoldername);
+
+ AliInfo("Adding Tracklets-loader");
+ AliDataLoader *dl = new AliDataLoader("TRD.Tracklets.root","tracklets", "tracklets");
+ fLoader->AddDataLoader(dl);
+
+ return fLoader;
+}
//_____________________________________________________________________________
-AliTRDcluster::AliTRDcluster(Int_t *tracks, Int_t *cluster, Float_t* position)
- :TObject()
+AliTRD &AliTRD::operator=(const AliTRD &trd)
{
//
- // Create a TRD cluster
+ // Assignment operator
//
- fSector = cluster[0];
- fChamber = cluster[1];
- fPlane = cluster[2];
-
- fTimeSlice = cluster[3];
- fEnergy = cluster[4];
-
- fX = position[0];
- fY = position[1];
- fZ = position[2];
+ if (this != &trd) {
+ ((AliTRD &) trd).Copy(*this);
+ }
- fTracks[0] = tracks[0];
- fTracks[1] = tracks[1];
- fTracks[2] = tracks[2];
+ return *this;
}
-