/**************************************************************************
* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* *
* Author: The ALICE Off-line Project. *
* Contributors are mentioned in the code where appropriate. *
* *
* Permission to use, copy, modify and distribute this software and its *
* documentation strictly for non-commercial purposes is hereby granted *
* without fee, provided that the above copyright notice appears in all *
* copies and that both the copyright notice and this permission notice *
* appear in the supporting documentation. The authors make no claims *
* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
/*
$Log$
Revision 1.19 2001/05/04 10:09:48 vicinanz
Major upgrades to the strip structure
Revision 1.18 2000/12/04 08:48:20 alibrary
Fixing problems in the HEAD
Revision 1.17 2000/10/02 21:28:17 fca
Removal of useless dependecies via forward declarations
Revision 1.16 2000/05/10 16:52:18 vicinanz
New TOF version with holes for PHOS/RICH
Revision 1.14.2.1 2000/05/10 09:37:16 vicinanz
New version with Holes for PHOS/RICH
Revision 1.14 1999/11/05 22:39:06 fca
New hits structure
Revision 1.13 1999/11/02 11:26:39 fca
added stdlib.h for exit
Revision 1.12 1999/11/01 20:41:57 fca
Added protections against using the wrong version of FRAME
Revision 1.11 1999/10/22 08:04:14 fca
Correct improper use of negative parameters
Revision 1.10 1999/10/16 19:30:06 fca
Corrected Rotation Matrix and CVS log
Revision 1.9 1999/10/15 15:35:20 fca
New version for frame1099 with and without holes
Revision 1.8 1999/09/29 09:24:33 fca
Introduction of the Copyright and cvs Log
*/
///////////////////////////////////////////////////////////////////////////////
// //
// Time Of Flight: design of C.Williams FCA //
// This class contains the functions for version 1 of the Time Of Flight //
// detector. //
//
// VERSION WITH 5 MODULES AND TILTED STRIPS
//
// FULL COVERAGE VERSION
//
// Authors:
//
// Alessio Seganti
// Domenico Vicinanza
//
// University of Salerno - Italy
//
// Fabrizio Pierella
// University of Bologna - Italy
//
//
//Begin_Html
/*
*/
//End_Html
// //
///////////////////////////////////////////////////////////////////////////////
#include
#include
#include "AliTOFv0.h"
#include "TBRIK.h"
#include "TGeometry.h"
#include "TNode.h"
#include "TObject.h"
#include
#include "AliRun.h"
#include "AliMC.h"
#include "AliConst.h"
ClassImp(AliTOFv0)
//_____________________________________________________________________________
AliTOFv0::AliTOFv0()
{
//
// Default constructor
//
//
// Check that FRAME is there otherwise we have no place where to
// put TOF
AliModule* frame=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);
}
}
//_____________________________________________________________________________
AliTOFv0::AliTOFv0(const char *name, const char *title)
: AliTOF(name,title)
{
//
// Standard constructor
//
}
//____________________________________________________________________________
AliTOFv0::~AliTOFv0()
{
// destructor
if ( fHits) {
fHits->Delete() ;
delete fHits ;
fHits = 0 ;
}
/*
if ( fSDigits) {
fSDigits->Delete() ;
delete fSDigits ;
fSDigits = 0 ;
}
*/
if ( fDigits) {
fDigits->Delete() ;
delete fDigits ;
fDigits = 0 ;
}
}
//_____________________________________________________________________________
void AliTOFv0::BuildGeometry()
{
// Build TOF ROOT geometry for the ALICE event viewver
//
TNode *node, *top;
const int kColorTOF = 27;
// Find top TNODE
top = gAlice->GetGeometry()->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 kangle = 2*kPi/kNTof;
Float_t ang;
// Define TOF basic volume
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);
new TBRIK("S_TOF_B","TOF box","void",
120*0.5,khTof*0.5,fZlenB*0.5);
new TBRIK("S_TOF_A","TOF box","void",
120*0.5,khTof*0.5,fZlenA*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);
}
}
//_____________________________________________________________________________
void AliTOFv0::CreateGeometry()
{
//
// Create geometry for Time Of Flight version 0
//
//Begin_Html
/*
*/
//End_Html
//
// Creates common geometry
//
AliTOF::CreateGeometry();
}
//_____________________________________________________________________________
void AliTOFv0::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 par[3];
Int_t *idtmed = fIdtmed->GetArray()-499;
Int_t idrotm[100];
Int_t nrot = 0;
Float_t radius = fRmin+2.;//cm
par[0] = xtof * 0.5;
par[1] = ytof * 0.5;
par[2] = zlenC * 0.5;
gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
par[2] = zlenB * 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");
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 xFLT, yFLT, zFLTA, zFLTB, zFLTC;
xFLT = 122.0;//cm
yFLT = ytof;
zFLTA = zlenA - db*0.5;
zFLTB = zlenB - db*0.5;
zFLTC = zlenC - db*0.5;
// 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 **************************"<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
par[0] = xFLT*0.5;
par[1] = 0.1;//cm
ycoor = -yFLT/2 + par[1];
par[2] = (zFLTA *0.5);
gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
gMC->Gspos("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
gMC->Gspos("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
par[2] = (zFLTB *0.5);
gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
gMC->Gspos("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
gMC->Gspos("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
par[2] = (zFLTC *0.5);
gMC->Gsvolu("FALC", "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 //////////////////////
Float_t stripWidth = 10.0;//cm
const Float_t kdeadBound = 1.5;//cm non-sensitive between the pad edge
//and the boundary of the strip
const Int_t knx = 48; // number of pads along x
const Int_t knz = 2; // number of pads along z
const Float_t kspace= 5.5; //cm distance from the front plate of the box
Float_t zSenStrip;
zSenStrip = stripWidth-2*kdeadBound;//cm
par[0] = xFLT/2;
par[1] = yPad/2;
par[2] = stripWidth/2.;
// new description for strip volume
// -- 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
const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
const Float_t khglasseiy = 0.32; // 2.2 Ext. Glass + 1. Semi Int. Glass (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 kwpadz = 3.5; // cm z dimension of the FPAD volume
const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume
// heigth of the FSTR Volume (the strip volume)
const Float_t khstripy = 2*(khhony+khpcby+khmyly+khgraphy+khglasseiy)+khsensmy;
// width of the FSTR Volume (the strip volume)
const Float_t kwstripz = 10.;
// length of the FSTR Volume (the strip volume)
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.};
// FSTR volume definition and filling this volume with non sensitive Gas Mixture
gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
//-- HONY Layer definition
// parfp[0] = -1;
parfp[1] = khhony*0.5;
// 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
posfp[1]=-khstripy*0.5+khhony+parfp[1];
gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],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];
gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
gMC->Gspos("FMYL",2,"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] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
gMC->Gspos("FGRP",2,"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] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
gMC->Gspos("FGLA",2,"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;
gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
// positioning the sensitive gas Layer on FSTR volume
gMC->Gspos("FSEN",0,"FSTR",0.,0.,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[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)
Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
Float_t gap = 4.; //cm distance between the strip axis
Float_t zpos = 0;
Float_t ang = 0;
Float_t last;
Int_t i=1,j=1;
nrot = 0;
zcoor = 0;
ycoor = -14.5 + kspace ; //2 cm over front plate
AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
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");
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 = 6.;
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");
ycoor = -29./2.+ kspace;//2 cm over front plate
// Plate B
nrot = 0;
i=1;
upDown *= -1;
zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
upDown*gap*TMath::Tan(ang)-
(zSenStrip/2)/TMath::Cos(ang)-0.5/TMath::Cos(ang);
ang = atan(zpos/radius);
ang *= kRaddeg;
AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
ang /= kRaddeg;
ycoor = -29.*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");
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 = -29.*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");
upDown*=-1;
i++;
} while (TMath::Abs(ang*kRaddeg)<22.5);//till we reach a tilting angle of 22.5 degrees
ycoor = -29.*0.5+ kspace ; //2 cm over front plate
do {
i++;
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);
last = stripWidth*TMath::Cos(ang)/2.;
} while (zpos>-t+zFLTC+db);
// Plate C
zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
gap*TMath::Tan(ang)-
(zSenStrip/2)/TMath::Cos(ang);
nrot = 0;
i=0;
ycoor= -29.*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");
zpos = zpos - zSenStrip/TMath::Cos(ang);
last = stripWidth*TMath::Cos(ang)*0.5;
} while (zpos>-t+last);
////////// Layers after strips /////////////////
// honeycomb (Polyethilene) Layer after (1.2cm)
Float_t overSpace = fOverSpc;//cm
par[0] = xFLT*0.5;
par[1] = 0.6;
par[2] = (zFLTA *0.5);
ycoor = -yFLT/2 + overSpace + par[1];
gMC->Gsvolu("FPEA", "BOX ", idtmed[503], par, 3); // Hony
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->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
par[2] = (zFLTC *0.5);
gMC->Gsvolu("FPEC", "BOX ", idtmed[503], par, 3); // Hony
gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
// Electronics (Cu) after
ycoor += par[1];
par[0] = xFLT*0.5;
par[1] = 1.43*0.05*0.5; // 5% of X0
par[2] = (zFLTA *0.5);
ycoor += par[1];
gMC->Gsvolu("FECA", "BOX ", idtmed[501], par, 3); // Cu
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->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
par[2] = (zFLTC *0.5);
gMC->Gsvolu("FECC", "BOX ", idtmed[501], par, 3); // Cu
gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
// 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[2] = (zFLTA *0.5);
ycoor += par[1];
gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
par[2] = (zFLTB *0.5);
gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
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 */
}
//_____________________________________________________________________________
void AliTOFv0::DrawModule()
{
//
// Draw a shaded view of the Time Of Flight version 1
//
// Set everything unseen
gMC->Gsatt("*", "seen", -1);
//
// Set ALIC mother transparent
gMC->Gsatt("ALIC","SEEN",0);
//
// Set the volumes visible
gMC->Gsatt("ALIC","SEEN",0);
gMC->Gsatt("FTOA","SEEN",1);
gMC->Gsatt("FTOB","SEEN",1);
gMC->Gsatt("FTOC","SEEN",1);
gMC->Gsatt("FLTA","SEEN",1);
gMC->Gsatt("FLTB","SEEN",1);
gMC->Gsatt("FLTC","SEEN",1);
gMC->Gsatt("FPLA","SEEN",1);
gMC->Gsatt("FPLB","SEEN",1);
gMC->Gsatt("FPLC","SEEN",1);
gMC->Gsatt("FSTR","SEEN",1);
gMC->Gsatt("FPEA","SEEN",1);
gMC->Gsatt("FPEB","SEEN",1);
gMC->Gsatt("FPEC","SEEN",1);
gMC->Gsatt("FLZ1","SEEN",0);
gMC->Gsatt("FLZ2","SEEN",0);
gMC->Gsatt("FLZ3","SEEN",0);
gMC->Gsatt("FLX1","SEEN",0);
gMC->Gsatt("FLX2","SEEN",0);
gMC->Gsatt("FLX3","SEEN",0);
gMC->Gsatt("FPAD","SEEN",0);
gMC->Gdopt("hide", "on");
gMC->Gdopt("shad", "on");
gMC->Gsatt("*", "fill", 7);
gMC->SetClipBox(".");
gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
gMC->DefaultRange();
gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
gMC->Gdhead(1111, "Time Of Flight");
gMC->Gdman(18, 4, "MAN");
gMC->Gdopt("hide","off");
}
//_____________________________________________________________________________
void AliTOFv0::CreateMaterials()
{
//
// Define materials for the Time Of Flight
//
AliTOF::CreateMaterials();
}
//_____________________________________________________________________________
void AliTOFv0::Init()
{
//
// Initialise the detector after the geometry has been defined
//
if(fDebug) {
printf("%s: **************************************"
" TOF "
"**************************************\n",ClassName());
printf("\n%s: Version 0 of TOF initialing, "
"symmetric TOF\n",ClassName());
}
AliTOF::Init();
fIdFTOA = gMC->VolId("FTOA");
fIdFTOB = gMC->VolId("FTOB");
fIdFTOC = gMC->VolId("FTOC");
fIdFLTA = gMC->VolId("FLTA");
fIdFLTB = gMC->VolId("FLTB");
fIdFLTC = gMC->VolId("FLTC");
if(fDebug) {
printf("%s: **************************************"
" TOF "
"**************************************\n",ClassName());
}
}
//_____________________________________________________________________________
void AliTOFv0::StepManager()
{
//
// Procedure called at each step in the Time Of Flight
//
Float_t hits[8],rho,phi,phid,z;
Int_t sector, plate, padx, padz, strip;
Int_t copy, padzid, padxid, stripid, i;
Int_t vol[4];
Int_t *idtmed = fIdtmed->GetArray()-499;
TLorentzVector mom, pos;
if(gMC->GetMedium()==idtmed[513] &&
gMC->IsTrackEntering() && gMC->TrackCharge()
&& gMC->CurrentVolID(copy)==fIdSens)
{
// getting information about hit volumes
padzid=gMC->CurrentVolOffID(2,copy);
padz=copy;
padxid=gMC->CurrentVolOffID(1,copy);
padx=copy;
stripid=gMC->CurrentVolOffID(4,copy);
strip=copy;
padz = (strip-1)*2+padz;
gMC->TrackPosition(pos);
gMC->TrackMomentum(mom);
rho = sqrt(pos[0]*pos[0]+pos[1]*pos[1]);
phi = TMath::ACos(pos[0]/rho);
Float_t as = TMath::ASin(pos[1]/rho);
if (as<0) phi = 2*3.141592654-phi;
z = pos[2];
plate = 0;
Float_t limA = fZlenA*0.5;
Float_t limB = fZlenB+limA;
if (TMath::Abs(z)<=limA) plate = 3;
if (z<= limB && z> limA) plate = 2;
if (z>=-limB && z<-limA) plate = 4;
if (z> limB) plate = 1;
if (z<-limB) plate = 5;
if (plate==3) padz -= 2;
phid = phi*kRaddeg;
sector = Int_t (phid/20.);
sector++;
Double_t ptot = mom.Rho();
Double_t norm = 1/ptot;
for(i=0;i<3;++i) {
hits[i] = pos[i];
hits[i+3] = mom[i]*norm;
}
hits[6] = ptot;
hits[7] = pos[3];
vol[0] = sector;
vol[1] = plate;
vol[2] = padx;
vol[3] = padz;
Int_t track = gAlice->CurrentTrack();
AliTOF::AddHit(track,vol, hits);
}
}