/**************************************************************************
* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* *
* Author: The ALICE Off-line Project. *
* Contributors are mentioned in the code where appropriate. *
* *
* Permission to use, copy, modify and distribute this software and its *
* documentation strictly for non-commercial purposes is hereby granted *
* without fee, provided that the above copyright notice appears in all *
* copies and that both the copyright notice and this permission notice *
* appear in the supporting documentation. The authors make no claims *
* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
// //
// This class contains the functions for version 4 of the Time Of Flight //
// detector. //
// //
// VERSION WITH 5 MODULES AND TILTED STRIPS //
// //
// FULL COVERAGE VERSION +OPTION for PHOS holes //
// //
// Author: //
// Fabrizio Pierella //
// University of Bologna - Italy //
// //
// //
//Begin_Html //
/* //
//
*/ //
//End_Html //
// //
///////////////////////////////////////////////////////////////////////////////
#include
#include
#include "TVirtualMC.h"
#include
#include
#include
#include
#include
#include
#include "AliLog.h"
#include "AliConst.h"
#include "AliRun.h"
#include "AliTOFv4T0.h"
#include "AliTOFGeometry.h"
#include "AliMC.h"
ClassImp(AliTOFv4T0)
//_____________________________________________________________________________
AliTOFv4T0::AliTOFv4T0()
{
//
// Default constructor
//
}
//_____________________________________________________________________________
AliTOFv4T0::AliTOFv4T0(const char *name, const char *title)
: AliTOF(name,title,"tzero")
{
//
// Standard constructor
//
//
// Check that FRAME is there otherwise we have no place where to
// put TOF
AliModule* frame=gAlice->GetModule("FRAME");
if(!frame) {
AliFatal("TOF needs FRAME to be present");
} else{
if (fTOFGeometry) delete fTOFGeometry;
fTOFGeometry = new AliTOFGeometry();
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);
}
//____________________________________________________________________________
void AliTOFv4T0::BuildGeometry()
{
//
// Build TOF ROOT geometry for the ALICE event display
//
TNode *node, *top;
const int kColorTOF = 27;
// Find top TNODE
top = gAlice->GetGeometry()->GetNode("alice");
// Position the different copies
const Float_t krTof =(AliTOFGeometry::Rmax()+AliTOFGeometry::Rmin())/2;
const Float_t khTof = AliTOFGeometry::Rmax()-AliTOFGeometry::Rmin();
const Int_t kNTof = AliTOFGeometry::NSectors();
const Float_t kPi = TMath::Pi();
const Float_t kangle = 2*kPi/kNTof;
Float_t ang;
// define offset for nodes
Float_t zOffsetC = AliTOFGeometry::MaxhZtof() - AliTOFGeometry::ZlenC()*0.5;
Float_t zOffsetB = AliTOFGeometry::MaxhZtof() - AliTOFGeometry::ZlenC() - AliTOFGeometry::ZlenB()*0.5;
Float_t zOffsetA = 0.;
// 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",
AliTOFGeometry::StripLength()*0.5,khTof*0.5,AliTOFGeometry::ZlenC()*0.5);
new TBRIK("S_TOF_B","TOF box","void",
AliTOFGeometry::StripLength()*0.5,khTof*0.5,AliTOFGeometry::ZlenB()*0.5);
new TBRIK("S_TOF_A","TOF box","void",
AliTOFGeometry::StripLength()*0.5,khTof*0.5,AliTOFGeometry::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),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()
{
//
// Create geometry for Time Of Flight version 0
//
//Begin_Html
/*
*/
//End_Html
//
// Creates common geometry
//
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;
Float_t par[3];
Int_t *idtmed = fIdtmed->GetArray()-499;
Int_t idrotm[100];
Int_t nrot = 0;
Float_t radius = AliTOFGeometry::Rmin()+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");
if(!fTOFHoles)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, xFST, yFLT, zFLTA, zFLTB, zFLTC;
xFLT = AliTOFGeometry::StripLength();
yFLT = ytof;
zFLTA = zlenA;
zFLTB = zlenB;
zFLTC = zlenC;
xFST = xFLT - AliTOFGeometry::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;
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 (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] = khAlWall/2.; // 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 //////////////////////
const Float_t kdeadBound = AliTOFGeometry::DeadBndZ(); //cm non-sensitive between the pad edge
//and the boundary of the strip
const Int_t knx = AliTOFGeometry::NpadX(); // number of pads along x
const Int_t knz = AliTOFGeometry::NpadZ(); // number of pads along z
Float_t zSenStrip = AliTOFGeometry::ZPad() * AliTOFGeometry::NpadZ(); // cm
Float_t stripWidth = zSenStrip + 2*kdeadBound;
par[0] = xFLT*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 = 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 = 0.135; // 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 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+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*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-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");
// 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];
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] = -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");
// adding further 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] = -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");
// adding further 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;
gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
// positioning 2 gas Layers on FSTR volume
// the upper is insensitive freon
// while the remaining is sensitive
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[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 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",AliTOFGeometry::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));
}
///////////////////Positioning B module//////////////////////////
for(Int_t istrip =0; istrip < fTOFGeometry->NStripB(); istrip++){
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));
}
///////////////////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 = AliTOFGeometry::OverSpc();//cm
par[0] = xFLT*0.5;
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[508], par, 3); // Al
gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
par[2] = (zFLTB *0.5);
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[508], par, 3); // Al
gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
// plexiglass thickness: 1.5 mm ; factor 0.3
ycoor += par[1];
par[0] = xFLT*0.5;
par[1] = 0.075*0.3; // factor 0.3
par[2] = (zFLTA *0.5);
ycoor += par[1];
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[505], par, 3); // Plexigl.
gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
par[2] = (zFLTC *0.5);
gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
// frame of Air
ycoor += par[1];
par[0] = xFLT*0.5;
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
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");
// 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
{
//
// Draw a shaded view of the Time Of Flight version 4
//
// 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 AliTOFv4T0::DrawDetectorModules()
{
//
// Draw a shaded view of the TOF detector version 4
//
//Set ALIC mother transparent
gMC->Gsatt("ALIC","SEEN",0);
//
//Set volumes visible
//
//=====> Level 1
// Level 1 for TOF volumes
gMC->Gsatt("B077","seen",0);
//==========> Level 2
// Level 2
gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
gMC->Gsatt("B071","seen",0);
gMC->Gsatt("B074","seen",0);
gMC->Gsatt("B075","seen",0);
gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
// Level 2 of B071
gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
gMC->Gsatt("BTO1","seen",0);
// Level 2 of B074
gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
gMC->Gsatt("BTO2","seen",0);
// Level 2 of B075
gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
gMC->Gsatt("BTO3","seen",0);
// ==================> Level 3
// Level 3 of B071 / Level 2 of BTO1
gMC->Gsatt("FTOC","seen",-2);
gMC->Gsatt("FTOB","seen",-2);
gMC->Gsatt("FTOA","seen",-2);
// Level 3 of B074 / Level 2 of BTO2
// -> cfr previous settings
// Level 3 of B075 / Level 2 of BTO3
// -> cfr previous settings
gMC->Gdopt("hide","on");
gMC->Gdopt("shad","on");
gMC->Gsatt("*", "fill", 5);
gMC->SetClipBox(".");
gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
gMC->DefaultRange();
gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
gMC->Gdhead(1111,"TOF detector V1");
gMC->Gdman(18, 4, "MAN");
gMC->Gdopt("hide","off");
}
//_____________________________________________________________________________
void AliTOFv4T0::DrawDetectorStrips()
{
//
// Draw a shaded view of the TOF strips for version 4
//
//Set ALIC mother transparent
gMC->Gsatt("ALIC","SEEN",0);
//
//Set volumes visible
//=====> Level 1
// Level 1 for TOF volumes
gMC->Gsatt("B077","seen",0);
//==========> Level 2
// Level 2
gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
gMC->Gsatt("B071","seen",0);
gMC->Gsatt("B074","seen",0);
gMC->Gsatt("B075","seen",0);
gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
// Level 2 of B071
gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
gMC->Gsatt("BTO1","seen",0);
// ==================> Level 3
// Level 3 of B071 / Level 2 of BTO1
gMC->Gsatt("FTOC","seen",0);
gMC->Gsatt("FTOB","seen",0);
gMC->Gsatt("FTOA","seen",0);
// Level 3 of B074 / Level 2 of BTO2
// -> cfr previous settings
// Level 3 of B075 / Level 2 of BTO3
// -> cfr previous settings
// ==========================> Level 4
// Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
gMC->Gsatt("FLTC","seen",0);
// Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
gMC->Gsatt("FLTB","seen",0);
// Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
gMC->Gsatt("FLTA","seen",0);
// Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
// -> cfr previous settings
// Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
// -> cfr previous settings
// Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
// -> cfr previous settings
//======================================> Level 5
// Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
gMC->Gsatt("FALC","seen",0); // no children for FALC
gMC->Gsatt("FSTR","seen",-2);
gMC->Gsatt("FPEC","seen",0); // no children for FPEC
gMC->Gsatt("FECC","seen",0); // no children for FECC
gMC->Gsatt("FWAC","seen",0); // no children for FWAC
gMC->Gsatt("FAIC","seen",0); // no children for FAIC
// Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
gMC->Gsatt("FALB","seen",0); // no children for FALB
//--> gMC->Gsatt("FSTR","seen",-2);
// -> cfr previous settings
gMC->Gsatt("FPEB","seen",0); // no children for FPEB
gMC->Gsatt("FECB","seen",0); // no children for FECB
gMC->Gsatt("FWAB","seen",0); // no children for FWAB
gMC->Gsatt("FAIB","seen",0); // no children for FAIB
// Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
gMC->Gsatt("FALA","seen",0); // no children for FALB
//--> gMC->Gsatt("FSTR","seen",-2);
// -> cfr previous settings
gMC->Gsatt("FPEA","seen",0); // no children for FPEA
gMC->Gsatt("FECA","seen",0); // no children for FECA
gMC->Gsatt("FWAA","seen",0); // no children for FWAA
gMC->Gsatt("FAIA","seen",0); // no children for FAIA
// Level 2 of B074
gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
gMC->Gsatt("BTO2","seen",0);
// Level 2 of B075
gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
gMC->Gsatt("BTO3","seen",0);
// for others Level 5, cfr. previous settings
gMC->Gdopt("hide","on");
gMC->Gdopt("shad","on");
gMC->Gsatt("*", "fill", 5);
gMC->SetClipBox(".");
gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
gMC->DefaultRange();
gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
gMC->Gdhead(1111,"TOF Strips V1");
gMC->Gdman(18, 4, "MAN");
gMC->Gdopt("hide","off");
}
//_____________________________________________________________________________
void AliTOFv4T0::CreateMaterials()
{
//
// Define materials for the Time Of Flight
//
AliTOF::CreateMaterials();
}
//_____________________________________________________________________________
void AliTOFv4T0::Init()
{
//
// Initialise the detector after the geometry has been defined
//
AliDebug(1, "**************************************"
" TOF "
"**************************************");
AliDebug(1, " Version 4 of TOF initialing, "
"symmetric TOF - Full Coverage version");
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");
AliDebug(1, "**************************************"
" TOF "
"**************************************");
}
//_____________________________________________________________________________
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;
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)
{
AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
// 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;
gMC->TrackPosition(pos);
gMC->TrackMomentum(mom);
// Double_t NormPos=1./pos.Rho();
Double_t normMom=1./mom.Rho();
// 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();
pm[0] = (Float_t)mom.X()*normMom;
pm[1] = (Float_t)mom.Y()*normMom;
pm[2] = (Float_t)mom.Z()*normMom;
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 = -1;
if (TMath::Abs(z) <= AliTOFGeometry::ZlenA()*0.5) plate = 2;
if (z < (AliTOFGeometry::ZlenA()*0.5+AliTOFGeometry::ZlenB()) &&
z > AliTOFGeometry::ZlenA()*0.5) plate = 1;
if (z >-(AliTOFGeometry::ZlenA()*0.5+AliTOFGeometry::ZlenB()) &&
z < -AliTOFGeometry::ZlenA()*0.5) plate = 3;
if (z > (AliTOFGeometry::ZlenA()*0.5+AliTOFGeometry::ZlenB())) plate = 0;
if (z <-(AliTOFGeometry::ZlenA()*0.5+AliTOFGeometry::ZlenB())) 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--;
}
phi = pos.Phi();
if (phi>=0.) phid = phi*kRaddeg;
else phid = phi*kRaddeg + 360.;
sector = Int_t (phid/20.);
for(i=0;i<3;++i) {
hits[i] = pos[i];
hits[i+3] = pm[i];
}
hits[6] = mom.Rho();
hits[7] = pos[3];
hits[8] = xpad[0];
hits[9] = xpad[1];
hits[10]= xpad[2];
hits[11]= incidenceAngle;
hits[12]= gMC->Edep();
hits[13]= gMC->TrackLength();
vol[0]= sector;
vol[1]= plate;
vol[2]= strip;
vol[3]= padx;
vol[4]= padz;
AddT0Hit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits);
}
}