* provided "as is" without express or implied warranty. *
**************************************************************************/
+/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
// //
-// Time Of Flight: design of C.Williams
-//
// This class contains the functions for version 4 of the Time Of Flight //
// detector. //
-//
-// VERSION WITH 5 MODULES AND TILTED STRIPS
-//
-// FULL COVERAGE VERSION
-//
-// Author:
-// Fabrizio Pierella
-// University of Bologna - Italy
-//
-//
-//Begin_Html
-/*
-<img src="picts/AliTOFv4T0Class.gif">
-*/
-//End_Html
+// //
+// VERSION WITH 5 MODULES AND TILTED STRIPS //
+// //
+// FULL COVERAGE VERSION +OPTION for PHOS holes //
+// //
+// Author: //
+// Fabrizio Pierella //
+// University of Bologna - Italy //
+// //
+// //
+//Begin_Html //
+/* //
+<img src="picts/AliTOFv4T0Class.gif"> //
+*/ //
+//End_Html //
// //
///////////////////////////////////////////////////////////////////////////////
-#include <iostream.h>
-#include <stdlib.h>
-
-#include "AliTOFv4T0.h"
#include "TBRIK.h"
#include "TGeometry.h"
+#include "TLorentzVector.h"
#include "TNode.h"
-#include <TLorentzVector.h>
-#include "TObject.h"
-#include "AliRun.h"
-#include "AliMC.h"
+#include "TVirtualMC.h"
+
#include "AliConst.h"
+#include "AliLog.h"
+#include "AliMagF.h"
+#include "AliMC.h"
+#include "AliRun.h"
+#include "AliTrackReference.h"
+
+#include "AliTOFGeometry.h"
+#include "AliTOFGeometryV4.h"
+#include "AliTOFv4T0.h"
+
+extern TDirectory *gDirectory;
+extern TVirtualMC *gMC;
+
+extern AliRun *gAlice;
-
ClassImp(AliTOFv4T0)
-
+
//_____________________________________________________________________________
-AliTOFv4T0::AliTOFv4T0()
+ AliTOFv4T0::AliTOFv4T0():
+ fIdFTOA(-1),
+ fIdFTOB(-1),
+ fIdFTOC(-1),
+ fIdFLTA(-1),
+ fIdFLTB(-1),
+ fIdFLTC(-1),
+ fTOFHoles(kFALSE)
{
//
// Default constructor
}
//_____________________________________________________________________________
-AliTOFv4T0::AliTOFv4T0(const char *name, const char *title)
- : AliTOF(name,title,"tzero")
+AliTOFv4T0::AliTOFv4T0(const char *name, const char *title):
+ AliTOF(name,title,"tzero"),
+ fIdFTOA(-1),
+ fIdFTOB(-1),
+ fIdFTOC(-1),
+ fIdFLTA(-1),
+ fIdFLTB(-1),
+ fIdFLTC(-1),
+ fTOFHoles(kFALSE)
{
//
// Standard constructor
//
// Check that FRAME is there otherwise we have no place where to
// put TOF
- AliModule* frame=gAlice->GetModule("FRAME");
+
+
+ AliModule* frame = (AliModule*)gAlice->GetModule("FRAME");
if(!frame) {
- Error("Ctor","TOF needs FRAME to be present\n");
- exit(1);
- } else
- if(frame->IsVersion()!=1) {
- Error("Ctor","FRAME version 1 needed with this version of TOF\n");
- exit(1);
- }
-
-}
+ AliFatal("TOF needs FRAME to be present");
+ } else{
+
+ if (fTOFGeometry) delete fTOFGeometry;
+ fTOFGeometry = new AliTOFGeometryV4();
+
+ if(frame->IsVersion()==1) {
+ AliInfo(Form("Frame version %d", frame->IsVersion()));
+ AliInfo("Full Coverage for TOF");
+ fTOFHoles=false;}
+ else {
+ AliInfo(Form("Frame version %d", frame->IsVersion()));
+ AliInfo("TOF with Holes for PHOS");
+ fTOFHoles=true;}
+ }
+ fTOFGeometry->SetHoles(fTOFHoles);
-//____________________________________________________________________________
+ // Save the geometry
+ TDirectory* saveDir = gDirectory;
+ gAlice->GetRunLoader()->CdGAFile();
+ fTOFGeometry->Write("TOFgeometry");
+ saveDir->cd();
+
+}
+//____________________________________________________________________________
void AliTOFv4T0::BuildGeometry()
{
//
//
TNode *node, *top;
const int kColorTOF = 27;
+
+ TGeometry *globalGeometry = (TGeometry*)gAlice->GetGeometry();
// Find top TNODE
- top = gAlice->GetGeometry()->GetNode("alice");
-
+ top = (TNode*)globalGeometry->GetNode("alice");
+
// Position the different copies
- const Float_t krTof =(fRmax+fRmin)/2;
- const Float_t khTof = fRmax-fRmin;
- const Int_t kNTof = fNTof;
- const Float_t kPi = TMath::Pi();
+ const Float_t krTof =(fTOFGeometry->Rmax()+fTOFGeometry->Rmin())/2.;
+ const Float_t khTof = fTOFGeometry->Rmax()-fTOFGeometry->Rmin();
+ const Int_t kNTof = fTOFGeometry->NSectors();
+ const Float_t kPi = TMath::Pi();
const Float_t kangle = 2*kPi/kNTof;
Float_t ang;
-
+
+ // define offset for nodes
+ Float_t zOffsetC = fTOFGeometry->MaxhZtof() - fTOFGeometry->ZlenC()*0.5;
+ Float_t zOffsetB = fTOFGeometry->MaxhZtof() - fTOFGeometry->ZlenC() - fTOFGeometry->ZlenB()*0.5;
+ Float_t zOffsetA = 0.;
// Define TOF basic volume
- char nodeName0[7], nodeName1[7], nodeName2[7];
+ char nodeName0[7], nodeName1[7], nodeName2[7];
char nodeName3[7], nodeName4[7], rotMatNum[7];
-
+
new TBRIK("S_TOF_C","TOF box","void",
- 120*0.5,khTof*0.5,fZlenC*0.5);
+ fTOFGeometry->StripLength()*0.5, khTof*0.5, fTOFGeometry->ZlenC()*0.5);
new TBRIK("S_TOF_B","TOF box","void",
- 120*0.5,khTof*0.5,fZlenB*0.5);
+ fTOFGeometry->StripLength()*0.5, khTof*0.5, fTOFGeometry->ZlenB()*0.5);
new TBRIK("S_TOF_A","TOF box","void",
- 120*0.5,khTof*0.5,fZlenA*0.5);
-
+ fTOFGeometry->StripLength()*0.5, khTof*0.5, fTOFGeometry->ZlenA()*0.5);
+
for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
-
- if (nodeNum<10) {
- sprintf(rotMatNum,"rot50%i",nodeNum);
- sprintf(nodeName0,"FTO00%i",nodeNum);
- sprintf(nodeName1,"FTO10%i",nodeNum);
- sprintf(nodeName2,"FTO20%i",nodeNum);
- sprintf(nodeName3,"FTO30%i",nodeNum);
- sprintf(nodeName4,"FTO40%i",nodeNum);
- }
- if (nodeNum>9) {
- sprintf(rotMatNum,"rot5%i",nodeNum);
- sprintf(nodeName0,"FTO0%i",nodeNum);
- sprintf(nodeName1,"FTO1%i",nodeNum);
- sprintf(nodeName2,"FTO2%i",nodeNum);
- sprintf(nodeName3,"FTO3%i",nodeNum);
- sprintf(nodeName4,"FTO4%i",nodeNum);
- }
-
- new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
- ang = (4.5-nodeNum) * kangle;
-
- top->cd();
- node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),299.15,rotMatNum);
- node->SetLineColor(kColorTOF);
- fNodes->Add(node);
-
- top->cd();
- node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-299.15,rotMatNum);
- node->SetLineColor(kColorTOF);
- fNodes->Add(node);
-
- top->cd();
- node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),146.45,rotMatNum);
- node->SetLineColor(kColorTOF);
- fNodes->Add(node);
-
- top->cd();
- node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-146.45,rotMatNum);
- node->SetLineColor(kColorTOF);
- fNodes->Add(node);
-
- top->cd();
- node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),0.,rotMatNum);
- node->SetLineColor(kColorTOF);
- fNodes->Add(node);
- } // end loop on nodeNum
-}
+
+ if (nodeNum<10) {
+ sprintf(rotMatNum,"rot50%i",nodeNum);
+ sprintf(nodeName0,"FTO00%i",nodeNum);
+ sprintf(nodeName1,"FTO10%i",nodeNum);
+ sprintf(nodeName2,"FTO20%i",nodeNum);
+ sprintf(nodeName3,"FTO30%i",nodeNum);
+ sprintf(nodeName4,"FTO40%i",nodeNum);
+ }
+ if (nodeNum>9) {
+ sprintf(rotMatNum,"rot5%i",nodeNum);
+ sprintf(nodeName0,"FTO0%i",nodeNum);
+ sprintf(nodeName1,"FTO1%i",nodeNum);
+ sprintf(nodeName2,"FTO2%i",nodeNum);
+ sprintf(nodeName3,"FTO3%i",nodeNum);
+ sprintf(nodeName4,"FTO4%i",nodeNum);
+ }
+
+ new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
+ ang = (4.5-nodeNum) * kangle;
+ top->cd();
+ node = new TNode(nodeName0,nodeName0,"S_TOF_C", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang), zOffsetC,rotMatNum);
+ node->SetLineColor(kColorTOF);
+ fNodes->Add(node);
+
+ top->cd();
+ node = new TNode(nodeName1,nodeName1,"S_TOF_C", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
+ node->SetLineColor(kColorTOF);
+ fNodes->Add(node);
+
+ top->cd();
+ node = new TNode(nodeName2,nodeName2,"S_TOF_B", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang), zOffsetB,rotMatNum);
+ node->SetLineColor(kColorTOF);
+ fNodes->Add(node);
+
+ top->cd();
+ node = new TNode(nodeName3,nodeName3,"S_TOF_B", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
+ node->SetLineColor(kColorTOF);
+ fNodes->Add(node);
+
+ top->cd();
+ node = new TNode(nodeName4,nodeName4,"S_TOF_A", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang), zOffsetA,rotMatNum);
+ node->SetLineColor(kColorTOF);
+ fNodes->Add(node);
+ } // end loop on nodeNum
+}
//_____________________________________________________________________________
void AliTOFv4T0::CreateGeometry()
AliTOF::CreateGeometry();
}
+
//_____________________________________________________________________________
void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
Float_t zlenB, Float_t zlenA, Float_t ztof0)
//
// Definition of the Time Of Fligh Resistive Plate Chambers
// xFLT, yFLT, zFLT - sizes of TOF modules (large)
-
- Float_t ycoor, zcoor;
+
+ Float_t ycoor;
Float_t par[3];
Int_t *idtmed = fIdtmed->GetArray()-499;
Int_t idrotm[100];
Int_t nrot = 0;
- Float_t hTof = fRmax-fRmin;
-
- Float_t radius = fRmin+2.;//cm
+
+ Float_t radius = fTOFGeometry->Rmin()+2.;//cm
par[0] = xtof * 0.5;
par[1] = ytof * 0.5;
gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
par[2] = zlenA * 0.5;
gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
+
+
+ // Positioning of modules
+
+ Float_t zcor1 = ztof0 - zlenC*0.5;
+ Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
+ Float_t zcor3 = 0.;
+
+ AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
+ AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
+
+ gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
+ gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
+ gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
+
+ gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
+ gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
+ gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
+
+ gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
+ if(!fTOFHoles)gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY");
+ gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
+
-
-// Positioning of modules
-
- Float_t zcor1 = ztof0 - zlenC*0.5;
- Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
- Float_t zcor3 = 0.;
-
- AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
- AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
- gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
- gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
- gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
- gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
- gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
- gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
-
- gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
- gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
- gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
- gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
- gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
- gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
-
- gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
- gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY");
- gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
-
- Float_t db = 0.5;//cm
+ Float_t db = 0.5; // cm
Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
-
- xFLT = fStripLn;
+
+ xFLT = fTOFGeometry->StripLength();
yFLT = ytof;
zFLTA = zlenA;
zFLTB = zlenB;
zFLTC = zlenC;
-
- xFST = xFLT-fDeadBndX*2;//cm
-
-// Sizes of MRPC pads
-
- Float_t yPad = 0.505;//cm
-// Large not sensitive volumes with Insensitive Freon
+ xFST = xFLT - dynamic_cast<AliTOFGeometryV4*>(fTOFGeometry)->DeadBndX()*2.; // cm
+
+ // Sizes of MRPC pads
+
+ Float_t yPad = 0.505; //cm
+
+ // Large not sensitive volumes with Insensitive Freon
par[0] = xFLT*0.5;
par[1] = yFLT*0.5;
- if (fDebug) cout << ClassName() <<
- ": ************************* TOF geometry **************************"<<endl;
-
+ AliDebug(1, "************************* TOF geometry **************************");
+
par[2] = (zFLTA *0.5);
gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
-
+
par[2] = (zFLTB * 0.5);
gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
-
+
par[2] = (zFLTC * 0.5);
gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
-
-////////// Layers of Aluminum before and after detector //////////
-////////// Aluminum Box for Modules (2.0 mm thickness) /////////
-////////// lateral walls not simulated
+
+ ///// Layers of Aluminum before and after detector /////
+ ///// Aluminum Box for Modules (1.8 mm thickness) /////
+ ///// lateral walls not simulated for the time being
+ // const Float_t khAlWall = 0.18;
+ // fp to be checked
+ const Float_t khAlWall = 0.11;
par[0] = xFLT*0.5;
- par[1] = 0.1;//cm
+ par[1] = khAlWall/2.; // cm
ycoor = -yFLT/2 + par[1];
par[2] = (zFLTA *0.5);
gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
-///////////////// Detector itself //////////////////////
-
- const Float_t kdeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
- //and the boundary of the strip
- const Int_t knx = fNpadX; // number of pads along x
- const Int_t knz = fNpadZ; // number of pads along z
- const Float_t kspace = fSpace; //cm distance from the front plate of the box
-
- Float_t zSenStrip = fZpad*fNpadZ;//cm
+ ///////////////// Detector itself //////////////////////
+
+ const Float_t kdeadBound = dynamic_cast<AliTOFGeometryV4*>(fTOFGeometry)->DeadBndZ(); //cm non-sensitive between the pad edge
+ //and the boundary of the strip
+ const Int_t knx = fTOFGeometry->NpadX(); // number of pads along x
+ const Int_t knz = fTOFGeometry->NpadZ(); // number of pads along z
+
+ Float_t zSenStrip = fTOFGeometry->ZPad() * fTOFGeometry->NpadZ(); // cm
Float_t stripWidth = zSenStrip + 2*kdeadBound;
-
+
par[0] = xFLT*0.5;
- par[1] = yPad*0.5;
+ par[1] = yPad*0.5;
par[2] = stripWidth*0.5;
-// new description for strip volume -double stack strip-
-// -- all constants are expressed in cm
-// heigth of different layers
- const Float_t khhony = 1. ; // heigth of HONY Layer
- const Float_t khpcby = 0.15 ; // heigth of PCB Layer
+ // new description for strip volume -double stack strip-
+ // -- all constants are expressed in cm
+ // heigth of different layers
+ const Float_t khhony = 0.8 ; // heigth of HONY Layer
+ const Float_t khpcby = 0.08 ; // heigth of PCB Layer
const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
- const Float_t khglasseiy = 0.17; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
+ const Float_t khglasseiy = 0.135; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture
const Float_t kwsensmz = 2*3.5 ; // cm
const Float_t klsensmx = 48*2.5; // cm
const Float_t klstripx = 122.;
Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
-// coordinates of the strip center in the strip reference frame; used for positioning
-// internal strip volumes
- Float_t posfp[3]={0.,0.,0.};
-
+ // Coordinates of the strip center in the strip reference frame;
+ // used for positioninG internal strip volumes
+ Float_t posfp[3]={0.,0.,0.};
- // FSTR volume definition and filling this volume with non sensitive Gas Mixture
+
+ // FSTR volume definition-filling this volume with non sensitive Gas Mixture
gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
//-- HONY Layer definition
-// parfp[0] = -1;
+ // parfp[0] = -1;
parfp[1] = khhony*0.5;
-// parfp[2] = -1;
+ // parfp[2] = -1;
gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
// positioning 2 HONY Layers on FSTR volume
-
+
posfp[1]=-khstripy*0.5+parfp[1];
gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
-
+
//-- PCB Layer definition
+
parfp[1] = khpcby*0.5;
gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
// positioning 2 PCB Layers on FSTR volume
gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
// positioning the central PCB layer
gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
-
-
-
+
+
+
//-- MYLAR Layer definition
+
parfp[1] = khmyly*0.5;
gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
// positioning 2 MYLAR Layers on FSTR volume
- posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
+ posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
// adding further 2 MYLAR Layers on FSTR volume
posfp[1] = khpcby*0.5+parfp[1];
gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
-
-
+
+
//-- Graphite Layer definition
+
parfp[1] = khgraphy*0.5;
gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
// positioning 2 Graphite Layers on FSTR volume
posfp[1] = khpcby*0.5+khmyly+parfp[1];
gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
-
-
+
+
//-- Glass (EXT. +Semi INT.) Layer definition
+
parfp[1] = khglasseiy*0.5;
gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
// positioning 2 Glass Layers on FSTR volume
posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
-
+
//-- Sensitive Mixture Layer definition
+
parfp[0] = klsensmx*0.5;
parfp[1] = khsensmy*0.5;
parfp[2] = kwsensmz*0.5;
posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
-
+
// dividing FSEN along z in knz=2 and along x in knx=48
+
gMC->Gsdvn("FSEZ","FSEN",knz,3);
gMC->Gsdvn("FSEX","FSEZ",knx,1);
// FPAD volume definition
- parfp[0] = klpadx*0.5;
+
+ parfp[0] = klpadx*0.5;
parfp[1] = khsensmy*0.5;
parfp[2] = kwpadz*0.5;
gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
// positioning the FPAD volumes on previous divisions
gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
-//// Positioning the Strips (FSTR) in the FLT volumes /////
- // Plate A (Central)
+ ///////////////////Positioning A module//////////////////////////
+
+
+ for(Int_t istrip =0; istrip < fTOFGeometry->NStripA(); istrip++){
+
+ Float_t ang = fTOFGeometry->GetAngles(2,istrip);
+ AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);
+ ang /= kRaddeg;
+ Float_t zpos = tan(ang)*radius;
+ Float_t ypos= fTOFGeometry->GetHeights(2,istrip);
+ gMC->Gspos("FSTR",fTOFGeometry->NStripA()-istrip,"FLTA",0.,ypos, zpos,idrotm[0], "ONLY");
+ AliDebug(1, Form("y = %f, z = %f, , z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius ,ang*kRaddeg,istrip));
+ }
+
- Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
+ ///////////////////Positioning B module//////////////////////////
- Float_t gap = fGapA; //cm distance between the strip axis
- Float_t zpos = 0;
- Float_t ang = 0;
- Int_t i=1,j=1;
- nrot = 0;
- zcoor = 0;
- ycoor = -14.5 + kspace ; //2 cm over front plate
+ for(Int_t istrip =0; istrip < fTOFGeometry->NStripB(); istrip++){
- AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
- gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
- if(fDebug) {
- printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
- printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
+ Float_t ang = fTOFGeometry->GetAngles(3,istrip);
+ AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);
+ ang /= kRaddeg;
+ Float_t zpos = tan(ang)*radius+(zFLTA*0.5+zFLTB*0.5+db);
+ Float_t ypos= fTOFGeometry->GetHeights(3,istrip);
+ gMC->Gspos("FSTR",istrip+1,"FLTB",0.,ypos, zpos,idrotm[nrot], "ONLY");
+ AliDebug(1, Form("y = %f, z = %f, , z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip));
}
- zcoor -= zSenStrip;
- j++;
- Int_t upDown = -1; // upDown=-1 -> Upper strip
- // upDown=+1 -> Lower strip
- do{
- ang = atan(zcoor/radius);
- ang *= kRaddeg;
- AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
- AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
- ang /= kRaddeg;
- ycoor = -14.5+ kspace; //2 cm over front plate
- ycoor += (1-(upDown+1)/2)*gap;
- gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
- gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
- if(fDebug) {
- printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
- printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
- }
- j += 2;
- upDown*= -1; // Alternate strips
- zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
- upDown*gap*TMath::Tan(ang)-
- (zSenStrip/2)/TMath::Cos(ang);
- } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
-
- zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
- upDown*gap*TMath::Tan(ang)+
- (zSenStrip/2)/TMath::Cos(ang);
-
- gap = fGapB;
- zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
- upDown*gap*TMath::Tan(ang)-
- (zSenStrip/2)/TMath::Cos(ang);
-
- ang = atan(zcoor/radius);
- ang *= kRaddeg;
- AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
- AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
- ang /= kRaddeg;
-
- ycoor = -14.5+ kspace; //2 cm over front plate
- ycoor += (1-(upDown+1)/2)*gap;
- gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
- gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
- if(fDebug) {
- printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
- printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
- }
- ycoor = -hTof/2.+ kspace;//2 cm over front plate
-
- // Plate B
-
- nrot = 0;
- i=1;
- upDown = 1;
- Float_t deadRegion = 1.0;//cm
-
- zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
- upDown*gap*TMath::Tan(ang)-
- (zSenStrip/2)/TMath::Cos(ang)-
- deadRegion/TMath::Cos(ang);
-
- ang = atan(zpos/radius);
- ang *= kRaddeg;
- AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
- ang /= kRaddeg;
- ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
- ycoor += (1-(upDown+1)/2)*gap;
- zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
- gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
- if(fDebug) {
- printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
- printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
- }
- i++;
- upDown*=-1;
-
- do {
- zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
- upDown*gap*TMath::Tan(ang)-
- (zSenStrip/2)/TMath::Cos(ang);
- ang = atan(zpos/radius);
- ang *= kRaddeg;
- AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
- ang /= kRaddeg;
- ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
- ycoor += (1-(upDown+1)/2)*gap;
- zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
- gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
- if(fDebug) {
- printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
- printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
- }
- upDown*=-1;
- i++;
- } while (TMath::Abs(ang*kRaddeg)<22.5);
- //till we reach a tilting angle of 22.5 degrees
-
- ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
- zpos = zpos - zSenStrip/TMath::Cos(ang);
-
- do {
- ang = atan(zpos/radius);
- ang *= kRaddeg;
- AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
- ang /= kRaddeg;
- zcoor = zpos+(zFLTB/2+zFLTA/2+db);
- gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
- zpos = zpos - zSenStrip/TMath::Cos(ang);
- if(fDebug) {
- printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
- printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
- }
- i++;
-
- } while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
-
- // Plate C
-
- zpos = zpos + zSenStrip/TMath::Cos(ang);
-
- zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
- gap*TMath::Tan(ang)-
- (zSenStrip/2)/TMath::Cos(ang);
-
- nrot = 0;
- i=0;
- ycoor= -hTof*0.5+kspace+gap;
-
- do {
- i++;
- ang = atan(zpos/radius);
- ang *= kRaddeg;
- AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
- ang /= kRaddeg;
- zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
- gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
- if(fDebug) {
- printf("%s: %f, St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
- printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
- }
- zpos = zpos - zSenStrip/TMath::Cos(ang);
- } while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
-
-
-////////// Layers after strips /////////////////
-// honeycomb (Polyethilene) Layer after (1.2cm)
-
- Float_t overSpace = fOverSpc;//cm
+
+ ///////////////////Positioning C module//////////////////////////
+
+ for(Int_t istrip =0; istrip < fTOFGeometry->NStripC(); istrip++){
+
+ Float_t ang = fTOFGeometry->GetAngles(4,istrip);
+ AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);
+ ang /= kRaddeg;
+ Float_t zpos = tan(ang)*radius+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
+ Float_t ypos= fTOFGeometry->GetHeights(4,istrip);
+ gMC->Gspos("FSTR",istrip+1,"FLTC",0.,ypos, zpos,idrotm[nrot], "ONLY");
+ AliDebug(1, Form("y = %f, z = %f, z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip));
+ }
+
+ ////////// Layers after strips /////////////////
+ // Al Layer thickness (2.3mm) factor 0.7
+
+ Float_t overSpace = dynamic_cast<AliTOFGeometryV4*>(fTOFGeometry)->OverSpc();//cm
+
par[0] = xFLT*0.5;
- par[1] = 0.6;
+ par[1] = 0.115*0.7; // factor 0.7
par[2] = (zFLTA *0.5);
ycoor = -yFLT/2 + overSpace + par[1];
- gMC->Gsvolu("FPEA", "BOX ", idtmed[503], par, 3); // Hony
+ gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
par[2] = (zFLTB *0.5);
- gMC->Gsvolu("FPEB", "BOX ", idtmed[503], par, 3); // Hony
+ gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
par[2] = (zFLTC *0.5);
- gMC->Gsvolu("FPEC", "BOX ", idtmed[503], par, 3); // Hony
+ gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
+
+
+ // plexiglass thickness: 1.5 mm ; factor 0.3
-// Electronics (Cu) after
ycoor += par[1];
par[0] = xFLT*0.5;
- par[1] = 1.43*0.05*0.5; // 5% of X0
+ par[1] = 0.075*0.3; // factor 0.3
par[2] = (zFLTA *0.5);
ycoor += par[1];
- gMC->Gsvolu("FECA", "BOX ", idtmed[501], par, 3); // Cu
+ gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
par[2] = (zFLTB *0.5);
- gMC->Gsvolu("FECB", "BOX ", idtmed[501], par, 3); // Cu
+ gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
par[2] = (zFLTC *0.5);
- gMC->Gsvolu("FECC", "BOX ", idtmed[501], par, 3); // Cu
+ gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
+
+ // frame of Air
-// cooling WAter after
- ycoor += par[1];
- par[0] = xFLT*0.5;
- par[1] = 36.1*0.02*0.5; // 2% of X0
- par[2] = (zFLTA *0.5);
- ycoor += par[1];
- gMC->Gsvolu("FWAA", "BOX ", idtmed[515], par, 3); // Water
- gMC->Gspos ("FWAA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
- par[2] = (zFLTB *0.5);
- gMC->Gsvolu("FWAB", "BOX ", idtmed[515], par, 3); // Water
- gMC->Gspos ("FWAB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
- par[2] = (zFLTC *0.5);
- gMC->Gsvolu("FWAC", "BOX ", idtmed[515], par, 3); // Water
- gMC->Gspos ("FWAC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
-
-// frame of Air
ycoor += par[1];
par[0] = xFLT*0.5;
- par[1] = (yFLT/2-ycoor-0.2)*0.5; // Aluminum layer considered (0.2 cm)
+ par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
par[2] = (zFLTA *0.5);
ycoor += par[1];
gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
par[2] = (zFLTC *0.5);
gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
-/* fp
-//Back Plate honycomb (2cm)
- par[0] = -1;
- par[1] = 2 *0.5;
- par[2] = -1;
- ycoor = yFLT/2 - par[1];
- gMC->Gsvolu("FBPA", "BOX ", idtmed[503], par, 3); // Hony
- gMC->Gspos ("FBPA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FBPB", "BOX ", idtmed[503], par, 3); // Hony
- gMC->Gspos ("FBPB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
- gMC->Gsvolu("FBPC", "BOX ", idtmed[503], par, 3); // Hony
- gMC->Gspos ("FBPC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
-fp */
-}
+
+
+ // start with cards and cooling tubes
+ // finally, cards, cooling tubes and layer for thermal dispersion
+ // 3 volumes
+ // card volume definition
+
+ // see GEOM200 in GEANT manual
+
+
+ AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
+
+ Float_t cardpar[3];
+ cardpar[0]= 61.;
+ cardpar[1]= 5.;
+ cardpar[2]= 0.1;
+ gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
+ //alu plate volume definition
+ cardpar[1]= 3.5;
+ cardpar[2]= 0.05;
+ gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
+
+
+ // central module positioning (FAIA)
+ Float_t cardpos[3], aplpos2, stepforcardA=6.625;
+ cardpos[0]= 0.;
+ cardpos[1]= -0.5;
+ cardpos[2]= -53.;
+ Float_t aplpos1 = -2.;
+ Int_t icard;
+ for (icard=0; icard < fTOFGeometry->NStripA(); ++icard) {
+ cardpos[2]= cardpos[2]+stepforcardA;
+ aplpos2 = cardpos[2]+0.15;
+ gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
+ gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
+
+ }
+
+
+ // intermediate module positioning (FAIB)
+ Float_t stepforcardB= 7.05;
+ cardpos[2]= -70.5;
+ for (icard=0; icard < fTOFGeometry->NStripB(); ++icard) {
+ cardpos[2]= cardpos[2]+stepforcardB;
+ aplpos2 = cardpos[2]+0.15;
+ gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
+ gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
+ }
+
+
+ // outer module positioning (FAIC)
+ Float_t stepforcardC= 8.45238;
+ cardpos[2]= -88.75;
+ for (icard=0; icard < fTOFGeometry->NStripC(); ++icard) {
+ cardpos[2]= cardpos[2]+stepforcardC;
+ aplpos2 = cardpos[2]+0.15;
+ gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
+ gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
+ }
+
+ // tube volume definition
+
+ Float_t tubepar[3];
+ tubepar[0]= 0.;
+ tubepar[1]= 0.4;
+ tubepar[2]= 61.;
+ gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
+ tubepar[0]= 0.;
+ tubepar[1]= 0.35;
+ tubepar[2]= 61.;
+ gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
+ // positioning water tube into the steel one
+ gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
+
+
+ // rotation matrix
+ AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
+ // central module positioning (FAIA)
+ Float_t tubepos[3], tdis=0.6;
+ tubepos[0]= 0.;
+ tubepos[1]= cardpos[1];
+ tubepos[2]= -53.+tdis;
+ // tub1pos = 5.;
+ Int_t itub;
+ for (itub=0; itub < fTOFGeometry->NStripA(); ++itub) {
+ tubepos[2]= tubepos[2]+stepforcardA;
+ gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
+ "ONLY");
+ }
+
+
+ // intermediate module positioning (FAIB)
+ tubepos[2]= -70.5+tdis;
+ for (itub=0; itub < fTOFGeometry->NStripB(); ++itub) {
+ tubepos[2]= tubepos[2]+stepforcardB;
+ gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
+ "ONLY");
+ }
+
+ // outer module positioning (FAIC)
+ tubepos[2]= -88.75+tdis;
+ for (itub=0; itub < fTOFGeometry->NStripC(); ++itub) {
+ tubepos[2]= tubepos[2]+stepforcardC;
+ gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
+ "ONLY");
+ }
+}
//_____________________________________________________________________________
void AliTOFv4T0::DrawModule() const
{
gMC->Gdopt("hide","off");
}
//_____________________________________________________________________________
-void AliTOFv4T0::DrawDetectorModules()
+void AliTOFv4T0::DrawDetectorModules() const
{
//
// Draw a shaded view of the TOF detector version 4
//
- AliMC* pMC = AliMC::GetMC();
//Set ALIC mother transparent
- pMC->Gsatt("ALIC","SEEN",0);
+ gMC->Gsatt("ALIC","SEEN",0);
//
//Set volumes visible
}
//_____________________________________________________________________________
-void AliTOFv4T0::DrawDetectorStrips()
+void AliTOFv4T0::DrawDetectorStrips() const
{
//
// Draw a shaded view of the TOF strips for version 4
//
- AliMC* pMC = AliMC::GetMC();
-
//Set ALIC mother transparent
- pMC->Gsatt("ALIC","SEEN",0);
+ gMC->Gsatt("ALIC","SEEN",0);
//
//Set volumes visible
//
// Define materials for the Time Of Flight
//
- AliTOF::CreateMaterials();
+ //AliTOF::CreateMaterials();
+
+ //
+ // Defines TOF materials for all versions
+ // Revision: F. Pierella 18-VI-2002
+ //
+
+ AliMagF *magneticField = (AliMagF*)gAlice->Field();
+
+ Int_t isxfld = magneticField->Integ();
+ Float_t sxmgmx = magneticField->Max();
+
+ //--- Quartz (SiO2) to simulate float glass
+ // density tuned to have correct float glass
+ // radiation length
+ Float_t aq[2] = { 28.0855,15.9994 };
+ Float_t zq[2] = { 14.,8. };
+ Float_t wq[2] = { 1.,2. };
+ Float_t dq = 2.55; // std value: 2.2
+ Int_t nq = -2;
+
+ // --- Freon C2F4H2 (TOF-TDR pagg.)
+ // Geant Manual CONS110-1, pag. 43 (Geant, Detector Description and Simulation Tool)
+ Float_t afre[3] = {12.011,18.998,1.007};
+ Float_t zfre[3] = { 6., 9., 1.};
+ Float_t wfre[3] = { 2., 4., 2.};
+ Float_t densfre = 0.00375;
+// http://www.fi.infn.it/sezione/prevprot/gas/freon.html
+ Int_t nfre = -3;
+/*
+ //-- Isobutane quencher C4H10 (5% in the sensitive mixture)
+ Float_t aiso[2] = {12.011,1.007};
+ Float_t ziso[2] = { 6., 1.};
+ Float_t wiso[2] = { 4., 10.};
+ Float_t densiso = .......; // (g/cm3) density
+ Int_t nfre = -2; // < 0 i.e. proportion by number of atoms of each kind
+ //-- SF6 (5% in the sensitive mixture)
+ Float_t asf[3] = {32.066,18.998};
+ Float_t zsf[3] = { 16., 9.};
+ Float_t wsf[3] = { 1., 6.};
+ Float_t denssf = .....; // (g/cm3) density
+ Int_t nfre = -2; // < 0 i.e. proportion by number of atoms of each kind
+*/
+ // --- CO2
+ Float_t ac[2] = {12.,16.};
+ Float_t zc[2] = { 6., 8.};
+ Float_t wc[2] = { 1., 2.};
+ Float_t dc = .001977;
+ Int_t nc = -2;
+ // 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;
+ Int_t nmy = -3;
+ // For polyethilene (CH2) - honeycomb -
+ Float_t ape[2] = { 12., 1. };
+ Float_t zpe[2] = { 6., 1. };
+ Float_t wpe[2] = { 1., 2. };
+ Float_t dpe = 0.935*0.479; //To have 1%X0 for 1cm as for honeycomb
+ Int_t npe = -2;
+ // --- G10
+ Float_t ag10[4] = { 12.,1.,16.,28. };
+ Float_t zg10[4] = { 6.,1., 8.,14. };
+ Float_t wmatg10[4] = { .259,.288,.248,.205 };
+ Float_t densg10 = 1.7;
+ Int_t nlmatg10 = -4;
+
+ // plexiglass CH2=C(CH3)CO2CH3
+ Float_t aplex[3] = { 12.,1.,16.};
+ Float_t zplex[3] = { 6.,1., 8.};
+ Float_t wmatplex[3] = {5.,8.,2.};
+ Float_t densplex =1.16;
+ Int_t nplex = -3;
+
+ // ---- ALUMINA (AL203)
+ Float_t aal[2] = { 27.,16.};
+ Float_t zal[2] = { 13., 8.};
+ Float_t wmatal[2] = { 2.,3. };
+ Float_t densal = 2.3;
+ Int_t nlmatal = -2;
+ // -- Water
+ Float_t awa[2] = { 1., 16. };
+ Float_t zwa[2] = { 1., 8. };
+ Float_t wwa[2] = { 2., 1. };
+ Float_t dwa = 1.0;
+ Int_t nwa = -2;
+
+// stainless steel
+ Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
+ Float_t zsteel[4] = { 26.,24.,28.,14. };
+ Float_t wsteel[4] = { .715,.18,.1,.005 };
+
+ //AliMaterial(0, "Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
+
+ // AIR
+ Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
+ Float_t zAir[4]={6.,7.,8.,18.};
+ Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
+ Float_t dAir = 1.20479E-3;
+
+ AliMixture( 1, "Air$", aAir, zAir, dAir, 4, wAir);
+
+ AliMaterial( 2, "Cu $", 63.54, 29.0, 8.96, 1.43, 14.8);
+ AliMaterial( 3, "C $", 12.01, 6.0, 2.265,18.8, 74.4);
+ AliMixture ( 4, "Polyethilene$", ape, zpe, dpe, npe, wpe);
+ AliMixture ( 5, "G10$", ag10, zg10, densg10, nlmatg10, wmatg10);
+ AliMixture ( 6, "PLE$", aplex, zplex, densplex, nplex, wmatplex);
+ AliMixture ( 7, "CO2$", ac, zc, dc, nc, wc);
+ AliMixture ( 8, "ALUMINA$", aal, zal, densal, nlmatal, wmatal);
+ AliMaterial( 9, "Al $", 26.98, 13., 2.7, 8.9, 37.2);
+ AliMaterial(10, "C-TRD$", 12.01, 6., 2.265*18.8/69.282*15./100, 18.8, 74.4); // for 15%
+ AliMixture (11, "Mylar$", amy, zmy, dmy, nmy, wmy);
+ AliMixture (12, "Freon$", afre, zfre, densfre, nfre, wfre);
+ AliMixture (13, "Glass$", aq, zq, dq, nq, wq);
+ AliMixture (14, "Water$", awa, zwa, dwa, nwa, wwa);
+ AliMixture (15, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
+
+ Float_t epsil, stmin, deemax, stemax;
+
+ // Previous data
+ // EPSIL = 0.1 ! Tracking precision,
+ // STEMAX = 0.1 ! Maximum displacement for multiple scattering
+ // DEEMAX = 0.1 ! Maximum fractional energy loss, DLS
+ // STMIN = 0.1
+ //
+ // New data
+ epsil = .001; // Tracking precision,
+ stemax = -1.; // Maximum displacement for multiple scattering
+ deemax = -.3; // Maximum fractional energy loss, DLS
+ stmin = -.8;
+
+ AliMedium( 1, "Air$" , 1, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium( 2, "Cu $" , 2, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium( 3, "C $" , 3, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium( 4, "Pol$" , 4, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium( 5, "G10$" , 5, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium( 6, "PLE$" , 6, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium( 7, "CO2$" , 7, 0, isxfld, sxmgmx, 10., -.01, -.1, .01, -.01);
+ AliMedium( 8,"ALUMINA$", 8, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium( 9,"Al Frame$",9, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium(10, "DME-S$", 6, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium(11, "C-TRD$", 10, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium(12, "Myl$" , 11, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium(13, "Fre$" , 12, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium(14, "Fre-S$", 12, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium(15, "Glass$", 13, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium(16, "Water$", 14, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+ AliMedium(17, "STEEL$", 15, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
+
}
//_____________________________________________________________________________
//
// Initialise the detector after the geometry has been defined
//
- if(fDebug) {
- printf("%s: **************************************"
+ AliDebug(1, "**************************************"
" TOF "
- "**************************************\n",ClassName());
- printf("\n%s: Version 4 of TOF initialing, "
- "symmetric TOF - Full Coverage version\n",ClassName());
- }
+ "**************************************");
+ AliDebug(1, " Version 4 of TOF initialing, "
+ "symmetric TOF - Full Coverage version");
AliTOF::Init();
fIdFLTB = gMC->VolId("FLTB");
fIdFLTC = gMC->VolId("FLTC");
- if(fDebug) {
- printf("%s: **************************************"
+ AliDebug(1, "**************************************"
" TOF "
- "**************************************\n",ClassName());
- }
+ "**************************************");
}
//_____________________________________________________________________________
void AliTOFv4T0::StepManager()
{
+
//
// Procedure called at each step in the Time Of Flight
//
+
TLorentzVector mom, pos;
Float_t xm[3],pm[3],xpad[3],ppad[3];
- Float_t hits[14],phi,phid,z;
+ Float_t hits[14];
Int_t vol[5];
Int_t sector, plate, padx, padz, strip;
Int_t copy, padzid, padxid, stripid, i;
Int_t *idtmed = fIdtmed->GetArray()-499;
Float_t incidenceAngle;
-
- if(gMC->GetMedium()==idtmed[513] &&
- gMC->IsTrackEntering() && gMC->TrackCharge()
- && gMC->CurrentVolID(copy)==fIdSens)
- {
+
+ if(
+ gMC->IsTrackEntering()
+ && gMC->TrackCharge()
+ //&& gMC->GetMedium()==idtmed[513]
+ && gMC->CurrentMedium()==idtmed[513]
+ && gMC->CurrentVolID(copy)==fIdSens
+ )
+ {
+
+ AliMC *mcApplication = (AliMC*)gAlice->GetMCApp();
+
+ AddTrackReference(mcApplication->GetCurrentTrackNumber(), AliTrackReference::kTOF);
+ //AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
+
// getting information about hit volumes
padzid=gMC->CurrentVolOffID(2,copy);
- padz=copy;
+ padz=copy;
+
padxid=gMC->CurrentVolOffID(1,copy);
- padx=copy;
+ padx=copy;
stripid=gMC->CurrentVolOffID(4,copy);
- strip=copy;
+ strip=copy;
gMC->TrackPosition(pos);
gMC->TrackMomentum(mom);
-// Double_t NormPos=1./pos.Rho();
+
+ // Double_t NormPos=1./pos.Rho();
+
Double_t normMom=1./mom.Rho();
-// getting the cohordinates in pad ref system
+ // getting the cohordinates in pad ref system
+
xm[0] = (Float_t)pos.X();
xm[1] = (Float_t)pos.Y();
xm[2] = (Float_t)pos.Z();
gMC->Gmtod(xm,xpad,1);
gMC->Gmtod(pm,ppad,2);
+
+ if (TMath::Abs(ppad[1])>1) {
+ AliWarning("Abs(ppad) > 1");
+ ppad[1]=TMath::Sign((Float_t)1,ppad[1]);
+ }
incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
- z = pos[2];
- plate = 0;
- if (TMath::Abs(z) <= fZlenA*0.5) plate = 3;
- if (z < (fZlenA*0.5+fZlenB) &&
- z > fZlenA*0.5) plate = 4;
- if (z >-(fZlenA*0.5+fZlenB) &&
- z < -fZlenA*0.5) plate = 2;
- if (z > (fZlenA*0.5+fZlenB)) plate = 5;
- if (z <-(fZlenA*0.5+fZlenB)) plate = 1;
+ const char * pathA="FTOA";
+ const char * pathB="FTOB";
+ const char * pathC="FTOC";
+ const char * path71="B071";
+ const char * path75="B075";
+ const char * path74="B074";
+ const char* volpath;
+
+ Int_t index=0;
+ volpath=gMC->CurrentVolOffName(6);
+ index=gMC->CurrentVolOffID(6,copy);
+ index=copy;
- phi = pos.Phi();
- phid = phi*kRaddeg+180.;
- sector = Int_t (phid/20.);
- sector++;
+
+ plate=-1;
+ if(strcmp(pathC,volpath)==0 && index==1)plate=0;
+ if(strcmp(pathB,volpath)==0 && index==1)plate=1;
+ if(strcmp(pathA,volpath)==0 && index==0)plate=2;
+ if(strcmp(pathB,volpath)==0 && index==2)plate=3;
+ if(strcmp(pathC,volpath)==0 && index==2)plate=4;
+
+
+
+ if (plate==0) strip=fTOFGeometry->NStripC()-strip;
+ else if (plate==1) strip=fTOFGeometry->NStripB()-strip;
+ else strip--;
+
+ //Apply ALICE conventions for volume numbering increasing with theta, phi
+
+ if (plate==3 || plate==4){
+ padx=fTOFGeometry->NpadX()-padx;
+ padz=fTOFGeometry->NpadZ()-padz;
+ xpad[0]=-xpad[0];
+ xpad[2]=-xpad[2];
+ }
+ else {
+ padx--;
+ padz--;
+ }
+
+
+
+ volpath=gMC->CurrentVolOffName(8);
+ index=gMC->CurrentVolOffID(8,copy);
+ index=copy;
+
+ sector=-1;
+ if(strcmp(path71,volpath)==0 && index <6) sector=12+index;
+ if(strcmp(path71,volpath)==0 && index >=6) sector=index-3;
+ if(strcmp(path75,volpath)==0) sector=index-1;
+ if(strcmp(path74,volpath)==0) sector=10+index;
for(i=0;i<3;++i) {
hits[i] = pos[i];
vol[1]= plate;
vol[2]= strip;
vol[3]= padx;
- vol[4]= padz;
-
- AddT0Hit(gAlice->CurrentTrack(),vol, hits);
+ vol[4]= padz;
+
+ AddT0Hit(mcApplication->GetCurrentTrackNumber(),vol, hits);
+ //AddT0Hit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits);
}
}