X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=TRD%2FAliTRD.cxx;h=727e7085aa80cd4a158d174f1ec51e6fa656ccdb;hb=60b29186fa71d961653a77658ea12f1de7828b85;hp=06ce4d69657e6c88ddc8d7ac19105e037a2a177f;hpb=ab76897d77dde6b0b3859ee87ef2a5b304a27eb0;p=u%2Fmrichter%2FAliRoot.git
diff --git a/TRD/AliTRD.cxx b/TRD/AliTRD.cxx
index 06ce4d69657..727e7085aa8 100644
--- a/TRD/AliTRD.cxx
+++ b/TRD/AliTRD.cxx
@@ -13,87 +13,83 @@
* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-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. Functions specific to one particular geometry are //
-// contained in the derived classes //
-// //
-//Begin_Html
-/*
-
-*/
-//End_Html
-// //
+// Detector. //
// //
///////////////////////////////////////////////////////////////////////////////
-#include
-#include
-#include
+#include
+#include
+#include
+
+#include "AliMC.h"
+#include "AliMagF.h"
+#include "AliRun.h"
+#include "AliLoader.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 "AliConst.h"
-
ClassImp(AliTRD)
//_____________________________________________________________________________
AliTRD::AliTRD()
+ :AliDetector()
+ ,fGeometry(0)
+ ,fGasDensity(0)
+ ,fFoilDensity(0)
+ ,fGasNobleFraction(0)
+ ,fPrimaryIonisation(0)
{
//
// Default constructor
//
-
- fIshunt = 0;
- fGasMix = 0;
- fHits = 0;
- fDigits = 0;
-
- // The chamber dimensions
- for (Int_t iplan = 0; iplan < kNplan; iplan++) {
- fClengthI[iplan] = 0.;
- fClengthM[iplan] = 0.;
- fClengthO[iplan] = 0.;
- }
-
+
}
//_____________________________________________________________________________
AliTRD::AliTRD(const char *name, const char *title)
- : AliDetector(name,title)
+ :AliDetector(name,title)
+ ,fGeometry(0)
+ ,fGasDensity(0)
+ ,fFoilDensity(0)
+ ,fGasNobleFraction(0)
+ ,fPrimaryIonisation(0)
{
//
// Standard constructor for the TRD
//
- // Allocate the hit array
- fHits = new TClonesArray("AliTRDhit", 405);
-
- // Allocate the digits array
- fDigits = new TClonesArray("AliTRDdigit",10000);
-
- fIshunt = 0;
- fGasMix = 0;
-
- // The chamber dimensions
- for (Int_t iplan = 0; iplan < kNplan; iplan++) {
- fClengthI[iplan] = 0.;
- fClengthM[iplan] = 0.;
- fClengthO[iplan] = 0.;
- fCwidth[iplan] = 0.;
+ // 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();
}
-
- SetMarkerColor(kWhite);
+ else {
+ AliError("Could not find valid FRAME version\n");
+ exit(1);
+ }
+
+ // Allocate the hit array
+ fHits = new TClonesArray("AliTRDhit",405);
+ gAlice->GetMCApp()->AddHitList(fHits);
}
@@ -104,63 +100,196 @@ AliTRD::~AliTRD()
// TRD destructor
//
- fIshunt = 0;
+ if (fGeometry) {
+ delete fGeometry;
+ fGeometry = 0;
+ }
- delete fHits;
- delete fDigits;
+ if (fHits) {
+ delete fHits;
+ fHits = 0;
+ }
}
//_____________________________________________________________________________
-void AliTRD::AddDigit(Int_t *tracks, Int_t *digits)
+void AliTRD::Hits2Digits()
{
//
- // Add a digit for the TRD
+ // Create digits
//
- TClonesArray &ldigits = *fDigits;
- new(ldigits[fNdigits++]) AliTRDdigit(tracks,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::AddHit(Int_t track, Int_t *vol, Float_t *hits)
+void AliTRD::Hits2SDigits()
{
//
- // Add a hit for the TRD
+ // Create summable digits
//
- TClonesArray &lhits = *fHits;
- new(lhits[fNhits++]) AliTRDhit(fIshunt,track,vol,hits);
+ 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();
+
+}
+
+//_____________________________________________________________________________
+AliDigitizer *AliTRD::CreateDigitizer(AliDigitizationInput* digInput) const
+{
+ //
+ // Creates a new digitizer object
+ //
+
+ return new AliTRDdigitizer(digInput);
}
//_____________________________________________________________________________
-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::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();
+ }
}
@@ -170,636 +299,380 @@ void AliTRD::CreateGeometry()
//
// Creates the volumes for the TRD chambers
//
- // Author: Christoph Blume (C.Blume@gsi.de) 20/07/99
- //
- // The volumes:
- // TRD (Air) --- The TRD mother volume for one sector.
- // To be placed into the spaceframe.
- //
- // 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
- //
- // 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;
-
- 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];
- Int_t iplan;
-
- 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
- fClengthM[0] = 123.5;
- fClengthM[1] = 131.0;
- fClengthM[2] = 138.5;
- fClengthM[3] = 146.0;
- fClengthM[4] = 153.0;
- fClengthM[5] = 160.5;
- // The length of the outer chambers
- fClengthO[0] = 123.5;
- fClengthO[1] = 131.0;
- fClengthO[2] = 134.5;
- fClengthO[3] = 142.0;
- fClengthO[4] = 142.0;
- fClengthO[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 BTR1-3)
- par_trd[0] = kSwidth1/2.;
- par_trd[1] = kSwidth2/2.;
- par_trd[2] = kSlength/2.;
- par_trd[3] = kSheight/2.;
- gMC->Gsvolu("TRD ","TRD1",idtmed[1302-1],par_trd,npar_trd);
-
- // 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] = kSwidth1/2. + (iplan-1) * kCwidcha/2.;
- 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 ,"TRD ",xpos,ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the aluminum frame
- //par_cha[0] = kSwidth1/2. + (iplan-1) * kCwidcha/2. - kCathick;
- 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 ,"TRD ",xpos,ypos,zpos,0,"ONLY",par_cha,npar_cha);
-
- // the carbon frame
- //par_cha[0] = kSwidth1/2. + (iplan-1) * kCwidcha/2.;
- 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 ,"TRD ",xpos,ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the carbon frame
- //par_cha[0] = kSwidth1/2. + (iplan-1) * kCwidcha/2. - kCcthick;
- 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 ,"TRD ",xpos,ypos,zpos,0,"ONLY",par_cha,npar_cha);
-
- // The middle chambers --------------------------------------------------------------
-
- // the aluminum frame
- //par_cha[0] = kSwidth1/2. + (iplan-1) * kCwidcha/2.;
- par_cha[0] = fCwidth[iplan-1]/2.;
- par_cha[1] = fClengthM[iplan-1]/2.;
- par_cha[2] = kCaframe/2.;
- xpos = 0.;
- ypos = fClengthI[iplan-1]/2. + fClengthM[iplan-1]/2.;
- zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UAFM",iplan ,"TRD ",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
- gMC->Gsposp("UAFM",iplan+kNplan,"TRD ",xpos,-ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the aluminum frame
- //par_cha[0] = kSwidth1/2. + (iplan-1) * kCwidcha/2. - kCathick;
- par_cha[0] = fCwidth[iplan-1]/2. - kCathick;
- par_cha[1] = fClengthM[iplan-1]/2. - kCathick;
- par_cha[2] = kCaframe/2.;
- xpos = 0.;
- ypos = fClengthI[iplan-1]/2. + fClengthM[iplan-1]/2.;
- zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UAIM",iplan ,"TRD ",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
- gMC->Gsposp("UAIM",iplan+kNplan,"TRD ",xpos,-ypos,zpos,0,"ONLY",par_cha,npar_cha);
-
- // the carbon frame
- //par_cha[0] = kSwidth1/2. + (iplan-1) * kCwidcha/2.;
- par_cha[0] = fCwidth[iplan-1]/2.;
- par_cha[1] = fClengthM[iplan-1]/2.;
- par_cha[2] = kCcframe/2.;
- xpos = 0.;
- ypos = fClengthI[iplan-1]/2. + fClengthM[iplan-1]/2.;
- zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UCFM",iplan, "TRD ",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
- gMC->Gsposp("UCFM",iplan+kNplan,"TRD ",xpos,-ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the carbon frame
- //par_cha[0] = kSwidth1/2. + (iplan-1) * kCwidcha/2. - kCcthick;
- par_cha[0] = fCwidth[iplan-1]/2. - kCcthick;
- par_cha[1] = fClengthM[iplan-1]/2. - kCcthick;
- par_cha[2] = kCcframe/2.;
- xpos = 0.;
- ypos = fClengthI[iplan-1]/2. + fClengthM[iplan-1]/2.;
- zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UCIM",iplan ,"TRD ",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
- gMC->Gsposp("UCIM",iplan+kNplan,"TRD ",xpos,-ypos,zpos,0,"ONLY",par_cha,npar_cha);
-
- // The outer chambers ---------------------------------------------------------------
-
- // the aluminum frame
- //par_cha[0] = kSwidth1/2. + (iplan-1) * kCwidcha/2.;
- par_cha[0] = fCwidth[iplan-1]/2.;
- par_cha[1] = fClengthO[iplan-1]/2.;
- par_cha[2] = kCaframe/2.;
- xpos = 0.;
- ypos = fClengthI[iplan-1]/2. + fClengthM[iplan-1] + fClengthO[iplan-1]/2.;
- zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UAFO",iplan ,"TRD ",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
- gMC->Gsposp("UAFO",iplan+kNplan,"TRD ",xpos,-ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the aluminum frame
- //par_cha[0] = kSwidth1/2. + (iplan-1) * kCwidcha/2. - kCathick;
- par_cha[0] = fCwidth[iplan-1]/2. - kCathick;
- par_cha[1] = fClengthO[iplan-1]/2. - kCathick;
- par_cha[2] = kCaframe/2.;
- xpos = 0.;
- ypos = fClengthI[iplan-1]/2. + fClengthM[iplan-1] + fClengthO[iplan-1]/2.;
- zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UAIO",iplan ,"TRD ",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
- gMC->Gsposp("UAIO",iplan+kNplan,"TRD ",xpos,-ypos,zpos,0,"ONLY",par_cha,npar_cha);
-
- // the carbon frame
- //par_cha[0] = kSwidth1/2. + (iplan-1) * kCwidcha/2.;
- par_cha[0] = fCwidth[iplan-1]/2.;
- par_cha[1] = fClengthO[iplan-1]/2.;
- par_cha[2] = kCcframe/2.;
- xpos = 0.;
- ypos = fClengthI[iplan-1]/2. + fClengthM[iplan-1] + fClengthO[iplan-1]/2.;
- zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UCFO",iplan, "TRD ",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
- gMC->Gsposp("UCFO",iplan+kNplan,"TRD ",xpos,-ypos,zpos,0,"MANY",par_cha,npar_cha);
-
- // the inner part of the carbon frame
- //par_cha[0] = kSwidth1/2. + (iplan-1) * kCwidcha/2. - kCcthick;
- par_cha[0] = fCwidth[iplan-1]/2. - kCcthick;
- par_cha[1] = fClengthO[iplan-1]/2. - kCcthick;
- par_cha[2] = kCcframe/2.;
- xpos = 0.;
- ypos = fClengthI[iplan-1]/2. + fClengthM[iplan-1] + fClengthO[iplan-1]/2.;
- zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
- gMC->Gsposp("UCIO",iplan ,"TRD ",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
- gMC->Gsposp("UCIO",iplan+kNplan,"TRD ",xpos,-ypos,zpos,0,"ONLY",par_cha,npar_cha);
-
+ 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();
-
- // For polyethilene (CH2)
- Float_t ape[2] = { 12., 1. };
- Float_t zpe[2] = { 6., 1. };
- Float_t wpe[2] = { 1., 2. };
- Float_t dpe = 0.95;
-
- // For mylar (C5H4O2)
- Float_t amy[3] = { 12., 1., 16. };
- Float_t zmy[3] = { 6., 1., 8. };
- Float_t wmy[3] = { 5., 4., 2. };
- Float_t dmy = 1.39;
-
- // For CO2
- Float_t aco[2] = { 12., 16. };
- Float_t zco[2] = { 6., 8. };
- Float_t wco[2] = { 1., 2. };
- Float_t dco = 0.001977;
-
- // For water
- Float_t awa[2] = { 1., 16. };
- Float_t zwa[2] = { 1., 8. };
- Float_t wwa[2] = { 2., 1. };
- Float_t dwa = 1.0;
-
- // For isobutane (C4H10)
- Float_t ais[2] = { 12., 1. };
- Float_t zis[2] = { 6., 1. };
- Float_t wis[2] = { 4., 10. };
- Float_t dis = 0.00267;
-
- // For Xe/CO2-gas-mixture
- // Xe-content of the Xe/CO2-mixture (90% / 10%)
- Float_t fxc = .90;
- // Xe-content of the Xe/Isobutane-mixture (97% / 3%)
- Float_t fxi = .97;
- Float_t dxe = .005858;
-
- // General tracking parameter
- 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;
+ Int_t isxfld = ((AliMagF *) TGeoGlobalMagField::Instance()->GetField())->Integ();
+ Float_t sxmgmx = ((AliMagF *) TGeoGlobalMagField::Instance()->GetField())->Max();
//////////////////////////////////////////////////////////////////////////
// Define Materials
//////////////////////////////////////////////////////////////////////////
- AliMaterial( 1, "Al $", 26.98, 13.0, 2.7 , 8.9 , 37.2);
- AliMaterial( 2, "Air$", 14.61, 7.3, 0.001205, 30420.0 , 67500.0);
- AliMaterial( 4, "Xe $", 131.29, 54.0, dxe , 1447.59, 0.0);
- AliMaterial( 5, "Cu $", 63.54, 29.0, 8.96 , 1.43, 14.8);
- AliMaterial( 6, "C $", 12.01, 6.0, 2.265 , 18.8 , 74.4);
- AliMaterial(12, "G10$", 20.00, 10.0, 1.7 , 19.4 , 999.0);
-
- // Mixtures
- AliMixture(3, "Polyethilene$", ape, zpe, dpe, -2, wpe);
- AliMixture(7, "Mylar$", amy, zmy, dmy, -3, wmy);
- AliMixture(8, "CO2$", aco, zco, dco, -2, wco);
- AliMixture(9, "Isobutane$", ais, zis, dis, -2, wis);
- AliMixture(13,"Water$", awa, zwa, dwa, -2, wwa);
-
+ // Aluminum
+ AliMaterial( 1,"Al", 26.98, 13.0, 2.7, 8.9, 37.2);
+ // Copper
+ AliMaterial( 2,"Cu", 63.54, 29.0, 8.96, 1.43, 14.8);
+ // Carbon
+ AliMaterial( 3,"C" , 12.01, 6.0, 2.265, 18.8, 74.4);
+ // Carbon for fiber mats
+ AliMaterial( 4,"C2", 12.01, 6.0, 1.75, 18.8, 74.4);
+ // Zinc
+ AliMaterial( 5,"Sn", 118.71, 50.0, 7.31, 1.21, 14.8);
+ // Silicon
+ AliMaterial( 6,"Si", 28.09, 14.0, 2.33, 9.36, 37.2);
+ // Iron
+ AliMaterial( 7,"Fe", 55.85, 26.0, 7.87, 1.76, 14.8);
+
+ // Air
+ Float_t aAir[4] = { 12.011 , 14.0 , 15.9994 , 36.0 };
+ Float_t zAir[4] = { 6.0 , 7.0 , 8.0 , 18.0 };
+ Float_t wAir[4] = { 0.000124, 0.755267, 0.231781, 0.012827 };
+ Float_t dAir = 1.20479e-03;
+ AliMixture(51,"Air", aAir, zAir, dAir, 4, wAir );
+ // Polyethilene (CH2)
+ Float_t ape[2] = { 12.011 , 1.0079 };
+ Float_t zpe[2] = { 6.0 , 1.0 };
+ Float_t wpe[2] = { 1.0 , 2.0 };
+ Float_t dpe = 0.95;
+ AliMixture(52,"Polyethilene", ape, zpe, dpe, -2, wpe );
// Gas mixtures
- Char_t namate[21];
- // Xe/CO2-mixture
- // Get properties of Xe
- gMC->Gfmate((*fIdmate)[4], namate, agm[0], zgm[0], d, radl, absl, buf, nbuf);
- // Get properties of CO2
- gMC->Gfmate((*fIdmate)[8], namate, agm[1], zgm[1], d, radl, absl, buf, nbuf);
- // Create gas mixture
- wgm[0] = fxc;
- wgm[1] = 1. - fxc;
- dgm = wgm[0] * dxe + wgm[1] * dco;
- AliMixture(10, "Gas mixture 1$", 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);
-
+ // Xe/CO2-gas-mixture (85% / 15%)
+ 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 };
+ Float_t fxc = 0.85;
+ Float_t dxe = 0.00549; // at 20C
+ Float_t dco = 0.00186; // at 20C
+ Float_t dgmXe = fxc * dxe + (1.0 - fxc) * dco;
+ // 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 };
+ Float_t fac = 0.82;
+ Float_t dar = 0.00166; // at 20C
+ Float_t dgmAr = fac * dar + (1.0 - fac) * dco;
+ if (AliTRDCommonParam::Instance()->IsXenon()) {
+ AliMixture(53,"XeCO2", aXeCO2, zXeCO2, dgmXe, -3, wXeCO2);
+ }
+ else if (AliTRDCommonParam::Instance()->IsArgon()) {
+ AliInfo("Gas mixture: Ar C02 (80/20)");
+ AliMixture(53,"ArCO2", aArCO2, zArCO2, dgmAr, -3, wArCO2);
+ }
+ else {
+ AliFatal("Wrong gas mixture");
+ exit(1);
+ }
+ // 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] = { 0.023 , 0.194 , 0.443 , 0.340 };
+ Float_t dG10 = 2.0;
+ AliMixture(54,"G10", aG10, zG10, dG10, 4,wG10 );
+ // Water
+ 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;
+ AliMixture(55,"Water", awa, zwa, dwa, -2,wwa );
+ // Rohacell (C5H8O2), X0 = 535.005cm
+ Float_t arh[3] = { 12.011 , 1.0079, 15.9994 };
+ Float_t zrh[3] = { 6.0 , 1.0 , 8.0 };
+ Float_t wrh[3] = { 5.0 , 8.0 , 2.0 };
+ Float_t drh = 0.075;
+ AliMixture(56,"Rohacell", arh, zrh, drh, -3,wrh );
+ // 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 ;
+ AliMixture(57,"Epoxy", aEpoxy,zEpoxy,dEpoxy,-3,wEpoxy);
+ // 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 = 1.12; // Hardener: 1.15, epoxy: 1.1, mixture: 1/2
+ AliMixture(58,"Araldite", aAral, zAral, dAral, -3,wAral );
+ // Mylar
+ Float_t aMy[3] = { 12.011 , 1.0 , 15.9994 };
+ Float_t zMy[3] = { 6.0 , 1.0 , 8.0 };
+ Float_t wMy[3] = { 5.0 , 4.0 , 2.0 };
+ Float_t dMy = 1.39;
+ AliMixture(59,"Mylar", aMy, zMy, dMy, -3,wMy );
+ // Polypropylene (C3H6) for radiator fibers
+ Float_t app[2] = { 12.011 , 1.0079 };
+ Float_t zpp[2] = { 6.0 , 1.0 };
+ Float_t wpp[2] = { 3.0 , 6.0 };
+ Float_t dpp = 0.068;
+ AliMixture(60,"Polypropylene",app, zpp, dpp, -2,wpp );
+ // Aramide for honeycomb
+ Float_t aAra[4] = { 1.0079, 12.011 , 15.9994, 14.0067 };
+ Float_t zAra[4] = { 1.0 , 6.0 , 8.0 , 7.0 };
+ Float_t wAra[4] = { 3.0 , 1.0 , 1.0 , 1.0 };
+ Float_t dAra = 0.032;
+ AliMixture(61,"Aramide", aAra, zAra, dAra, -4,wAra );
+ // GFK for Wacosit (Epoxy + Si)
+ Float_t aGFK[4] = { 1.0079, 12.011 , 15.9994, 28.086 };
+ Float_t zGFK[4] = { 1.0 , 6.0 , 8.0 , 14.0 };
+ Float_t wGFK[4] = { 0.0445, 0.5031, 0.1118, 0.340 };
+ Float_t dGFK = 2.0;
+ AliMixture(62,"GFK", aGFK, zGFK, dGFK, 4,wGFK );
+
//////////////////////////////////////////////////////////////////////////
// Tracking Media Parameters
//////////////////////////////////////////////////////////////////////////
+ // General tracking parameter
+ 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;
+
// 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$", 4, 1, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium( 2,"Air" ,51,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Wires
+ AliMedium( 3,"Wires" , 2,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // All other ROB materials (caps, etc.)
+ AliMedium( 4,"ROB Other" , 2,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
// Cu pads
- AliMedium(5, "Padplane$", 5, 1, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium( 5,"Padplane" , 2,1,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
// Fee + cables
- AliMedium(6, "Readout$", 1, 0, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
- // C frame
- AliMedium(7, "C Frame$", 6, 0, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
- // Mylar foils
- AliMedium(8, "Mylar$", 7, 0, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
- if (fGasMix == 1) {
- // Gas-mixture (Xe/CO2)
- AliMedium(9, "Gas-mix$", 10, 1, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
- }
- else {
- // Gas-mixture (Xe/Isobutane)
- AliMedium(9, "Gas-mix$", 11, 1, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
- }
- // Nomex-honeycomb (use carbon for the time being)
- AliMedium(10, "Nomex$", 6, 0, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
- // Kapton foils (use Mylar for the time being)
- AliMedium(11, "Kapton$", 7, 0, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
- // Gas-filling of the radiator
- AliMedium(12, "CO2$", 8, 0, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium( 6,"Readout" , 2,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // C frame (Wacosit)
+ AliMedium( 7,"Wacosit" ,62,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // INOX of cooling bus bars
+ AliMedium( 8,"Cooling bus", 7,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Gas-mixture (Xe/CO2)
+ AliMedium( 9,"Gas-mix" ,53,1,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Honeycomb
+ AliMedium(10,"Honeycomb" ,61,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Araldite glue
+ AliMedium(11,"Glue" ,58,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
// G10-plates
- AliMedium(13, "G10-plates$",12, 0, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(13,"G10-plates" ,54,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
// Cooling water
- AliMedium(14, "Water$", 13, 0, ISXFLD, SXMGMX
- , tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(14,"Water" ,55,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Rohacell for the radiator
+ AliMedium(15,"Rohacell" ,56,0,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" , 5,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Cu layer in MCMs
+ AliMedium(18,"MCM-Cu" , 2,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // G10 layer in MCMs
+ AliMedium(19,"MCM-G10" ,54,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Si in readout chips
+ AliMedium(20,"Chip-Si" , 6,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Epoxy in readout chips
+ AliMedium(21,"Chip-Ep" ,57,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // PE in connectors
+ AliMedium(22,"Conn-PE" ,52,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Cu in connectors
+ AliMedium(23,"Chip-Cu" , 2,0,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" , 2,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Carbon fiber mat
+ AliMedium(26,"Carbon" , 4,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Mylar foil
+ AliMedium(27,"Mylar" ,59,0,isxfld,sxmgmx
+ ,tmaxfd,stemax,deemax,epsil,stmin);
+ // Polypropylene fibers
+ AliMedium(28,"Fiber" ,60,0,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;
+ }
}
-
+
//_____________________________________________________________________________
-void AliTRD::DrawModule()
+void AliTRD::Init()
{
//
- // Draw a shaded view of the Transition Radiation Detector version 0
+ // Initialize the TRD detector after the geometry has been created
//
- // Set everything unseen
- gMC->Gsatt("*" ,"SEEN",-1);
-
- // Set ALIC mother transparent
- gMC->Gsatt("ALIC","SEEN", 0);
-
- // Set the volumes visible
- gMC->Gsatt("B032","SEEN", 0);
- gMC->Gsatt("B028","SEEN", 0);
- gMC->Gsatt("B029","SEEN", 0);
- gMC->Gsatt("B030","SEEN", 0);
- gMC->Gsatt("BTR1","SEEN", 0);
- gMC->Gsatt("BTR2","SEEN", 0);
- gMC->Gsatt("BTR3","SEEN", 0);
- gMC->Gsatt("TRD" ,"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->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");
+ AliDebug(1,"++++++++++++++++++++++++++++++++++++++++++++++");
+
+ if (fGeometry->IsVersion() != 1) {
+ AliError("Not a valid geometry");
+ }
}
//_____________________________________________________________________________
-Int_t AliTRD::DistancetoPrimitive(Int_t , Int_t )
+void AliTRD::ResetDigits()
{
//
- // Distance between the mouse and the TRD detector on the screen
- // Dummy routine
-
- return 9999;
+ // Reset number of digits and the digits array for this detector
+ //
+
+ fNdigits = 0;
+
+ if (fDigits) {
+ fDigits->Clear();
+ }
}
-
+
//_____________________________________________________________________________
-void AliTRD::Init()
+void AliTRD::SetTreeAddress()
{
//
- // Initialise the TRD detector after the geometry has been created
+ // Set the branch addresses for the trees.
//
- // 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 (fLoader->TreeH() &&
+ (fHits == 0x0)) {
+ fHits = new TClonesArray("AliTRDhit",405);
+ }
+ AliDetector::SetTreeAddress();
}
//_____________________________________________________________________________
-void AliTRD::SetGasMix(Int_t imix)
+Bool_t AliTRD::Raw2SDigits(AliRawReader *rawReader)
{
//
- // Defines the gas mixture (imix=0: Xe/Isobutane imix=1: Xe/CO2)
+ // Converts RAW data to SDigits
//
-
- if ((imix < 0) || (imix > 1)) {
- printf("Wrong input value: %d\n",imix);
- printf("Use standard setting\n");
- fGasMix = 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();
}
- fGasMix = imix;
+ AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class");
+
+ AliTRDrawData *rawdata = new AliTRDrawData();
+ AliTRDdigitsManager *digitsManager = rawdata->Raw2Digits(rawReader);
+
+ // Create the s-digits manager
+ AliTRDdigitsManager *sdigitsManager = new AliTRDdigitsManager();
+
+ if (sdigitsManager) {
+
+ sdigitsManager->SetSDigits(kTRUE);
+ sdigitsManager->CreateArrays();
+
+ // Convert the digits into s-digits
+ digitizer.Digits2SDigits(digitsManager,sdigitsManager);
+
+ sdigitsManager->MakeBranch(tree);
+ sdigitsManager->WriteDigits();
+
+ delete digitsManager;
+
+ return kTRUE;
+
+ }
+ else {
+
+ return kFALSE;
+
+ }
}
-ClassImp(AliTRDhit)
-
//_____________________________________________________________________________
-AliTRDhit::AliTRDhit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits):
- AliHit(shunt, track)
+AliLoader *AliTRD::MakeLoader(const Char_t *topfoldername)
{
//
- // Create a TRD hit
+ // Create a loader for the TRD tracklets
//
- // 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];
+ fLoader = new AliLoader(GetName(),topfoldername);
-}
+ AliInfo("Adding Tracklets-loader");
+
+ AliDataLoader *dl = new AliDataLoader("TRD.Tracklets.root"
+ ,"tracklets"
+ ,"tracklets");
+ fLoader->AddDataLoader(dl);
+
+ dl = new AliDataLoader("TRD.GtuTracks.root"
+ ,"gtutracks"
+ ,"gtutracks");
+ fLoader->AddDataLoader(dl);
-ClassImp(AliTRDdigit)
+ return fLoader;
+
+}
//_____________________________________________________________________________
-AliTRDdigit::AliTRDdigit(Int_t *tracks, Int_t *digits)
- :AliDigit(tracks)
+AliTRD &AliTRD::operator=(const AliTRD &trd)
{
//
- // Create a TRD digit
+ // Assignment operator
//
- // 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];
+ if (this != &trd) {
+ ((AliTRD &) trd).Copy(*this);
+ }
- // Store the signal amplitude
- fSignal = digits[6];
+ return *this;
}