/**************************************************************************
* 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 1.4.2.1 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
//
// 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
//
//
//Begin_Html
/*
*/
//End_Html
// //
///////////////////////////////////////////////////////////////////////////////
#include
#include
#include "AliTOFv4.h"
#include "TBRIK.h"
#include "TNode.h"
#include "TObject.h"
#include "AliRun.h"
#include "AliConst.h"
ClassImp(AliTOFv4)
//_____________________________________________________________________________
AliTOFv4::AliTOFv4()
{
//
// Default constructor
//
}
//_____________________________________________________________________________
AliTOFv4::AliTOFv4(const char *name, const char *title)
: AliTOF(name,title)
{
//
// Standard 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);
}
}
//_____________________________________________________________________________
void AliTOFv4::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 rTof =(fRmax+fRmin)/2;
const Float_t hTof = fRmax-fRmin;
const Int_t fNTof = 18;
const Float_t kPi = TMath::Pi();
const Float_t angle = 2*kPi/fNTof;
Float_t ang;
// Define TOF basic volume
char NodeName0[6], NodeName1[6], NodeName2[6];
char NodeName3[6], NodeName4[6], RotMatNum[6];
new TBRIK("S_TOF_C","TOF box","void",
120*0.5,hTof*0.5,fZlenC*0.5);
new TBRIK("S_TOF_B","TOF box","void",
120*0.5,hTof*0.5,fZlenB*0.5);
new TBRIK("S_TOF_A","TOF box","void",
120*0.5,hTof*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) * angle;
Top->cd();
Node = new TNode(NodeName0,NodeName0,"S_TOF_C",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),299.15,RotMatNum);
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
Top->cd();
Node = new TNode(NodeName1,NodeName1,"S_TOF_C",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),-299.15,RotMatNum);
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
Top->cd();
Node = new TNode(NodeName2,NodeName2,"S_TOF_B",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),146.45,RotMatNum);
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
Top->cd();
Node = new TNode(NodeName3,NodeName3,"S_TOF_B",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),-146.45,RotMatNum);
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
Top->cd();
Node = new TNode(NodeName4,NodeName4,"S_TOF_A",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),0.,RotMatNum);
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
}
}
//_____________________________________________________________________________
void AliTOFv4::CreateGeometry()
{
//
// Create geometry for Time Of Flight version 0
//
//Begin_Html
/*
*/
//End_Html
//
// Creates common geometry
//
AliTOF::CreateGeometry();
}
//_____________________________________________________________________________
void AliTOFv4::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[10];
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
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, xFST, yFLT, zFLTA, zFLTB, zFLTC;
xFLT = fStripLn;
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 CO2
par[0] = xFLT*0.5;
par[1] = yFLT*0.5;
cout <<"************************* TOF geometry **************************"<Gsvolu("FLTA", "BOX ", idtmed[506], par, 3); // CO2
gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
par[2] = (zFLTB * 0.5);
gMC->Gsvolu("FLTB", "BOX ", idtmed[506], par, 3); // CO2
gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
par[2] = (zFLTC * 0.5);
gMC->Gsvolu("FLTC", "BOX ", idtmed[506], par, 3); // CO2
gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
////////// Layers before detector ////////////////////
// MYlar layer in front 1.0 mm thick at the beginning
par[0] = -1;
par[1] = 0.1;//cm
par[2] = -1;
ycoor = -yFLT/2 + par[1];
gMC->Gsvolu("FMYA", "BOX ", idtmed[508], par, 3); // Alluminium
gMC->Gspos ("FMYA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
gMC->Gsvolu("FMYB", "BOX ", idtmed[508], par, 3); // Alluminium
gMC->Gspos ("FMYB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
gMC->Gsvolu("FMYC", "BOX ", idtmed[508], par, 3); // Alluminium
gMC->Gspos ("FMYC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
// honeycomb (special Polyethilene Layer of 1cm)
ycoor = ycoor + par[1];
par[0] = -1;
par[1] = 0.5;//cm
par[2] = -1;
ycoor = ycoor + par[1];
gMC->Gsvolu("FPLA", "BOX ", idtmed[503], par, 3); // Hony
gMC->Gspos ("FPLA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
gMC->Gsvolu("FPLB", "BOX ", idtmed[503], par, 3); // Hony
gMC->Gspos ("FPLB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
gMC->Gsvolu("FPLC", "BOX ", idtmed[503], par, 3); // Hony
gMC->Gspos ("FPLC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
///////////////// Detector itself //////////////////////
const Float_t DeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
//and the boundary of the strip
const Int_t nx = fNpadX; // number of pads along x
const Int_t nz = fNpadZ; // number of pads along z
const Float_t Space = fSpace; //cm distance from the front plate of the box
Float_t zSenStrip = fZpad*fNpadZ;//cm
Float_t StripWidth = zSenStrip + 2*DeadBound;
par[0] = xFLT*0.5;
par[1] = yPad*0.5;
par[2] = StripWidth*0.5;
// glass layer of detector STRip
gMC->Gsvolu("FSTR","BOX",idtmed[514],par,3);
// Non-Sesitive Freon boundaries
par[0] = xFLT*0.5;
par[1] = 0.110*0.5;//cm
par[2] = -1;
gMC->Gsvolu("FNSF","BOX",idtmed[512],par,3);
gMC->Gspos ("FNSF",0,"FSTR",0.,0.,0.,0,"ONLY");
// MYlar for Internal non-sesitive boundaries
// par[1] = 0.025;//cm
// gMC->Gsvolu("FMYI","BOX",idtmed[510],par,3);
// gMC->Gspos ("FMYI",0,"FNSF",0.,0.,0.,0,"MANY");
// MYlar eXternal layers
par[1] = 0.035*0.5;//cm
ycoor = -yPad*0.5+par[1];
gMC->Gsvolu("FMYX","BOX",idtmed[510],par,3);
gMC->Gspos ("FMYX",1,"FSTR",0.,ycoor,0.,0,"ONLY");
gMC->Gspos ("FMYX",2,"FSTR",0.,-ycoor,0.,0,"ONLY");
ycoor += par[1];
// GRaphyte Layers
par[1] = 0.003*0.5;
ycoor += par[1];
gMC->Gsvolu("FGRL","BOX",idtmed[502],par,3);
gMC->Gspos ("FGRL",1,"FSTR",0.,ycoor,0.,0,"ONLY");
gMC->Gspos ("FGRL",2,"FSTR",0.,-ycoor,0.,0,"ONLY");
// freon sensitive layer (Chlorine-Fluorine-Carbon)
par[0] = xFST*0.5;
par[1] = 0.110*0.5;
par[2] = zSenStrip*0.5;
gMC->Gsvolu("FCFC","BOX",idtmed[513],par,3);
gMC->Gspos ("FCFC",0,"FNSF",0.,0.,0.,0,"ONLY");
// Pad definition x & z
gMC->Gsdvn("FLZ","FCFC", nz, 3);
gMC->Gsdvn("FLX","FLZ" , nx, 1);
// MRPC PAD itself
par[0] = -1;
par[1] = -1;
par[2] = -1;
gMC->Gsvolu("FPAD", "BOX ", idtmed[513], par, 3);
gMC->Gspos ("FPAD", 0, "FLX", 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 = 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 + Space ; //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");
printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
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+ Space; //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");
printf("%f, St. %2i, Pl.3 ",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+ Space; //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");
printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
ycoor = -hTof/2.+ Space;//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+ Space ; //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");
printf("%f, St. %2i, Pl.4 ",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+ Space ; //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");
printf("%f, St. %2i, Pl.4 ",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+ Space ; //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);
printf("%f, St. %2i, Pl.4 ",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+Space+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");
printf("%f, St. %2i, Pl.5 ",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 detector /////////////////
// honeycomb (Polyethilene) Layer after (3cm)
Float_t OverSpace = fOverSpc;//cm
par[0] = -1;
par[1] = 0.6;
par[2] = -1;
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");
gMC->Gsvolu("FPEB", "BOX ", idtmed[503], par, 3); // Hony
gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
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] = -1;
par[1] = 1.43*0.05*0.5; // 5% of X0
par[2] = -1;
ycoor += par[1];
gMC->Gsvolu("FECA", "BOX ", idtmed[501], par, 3); // Cu
gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
gMC->Gsvolu("FECB", "BOX ", idtmed[501], par, 3); // Cu
gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
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] = -1;
par[1] = 36.1*0.02*0.5; // 2% of X0
par[2] = -1;
ycoor += par[1];
gMC->Gsvolu("FWAA", "BOX ", idtmed[515], par, 3); // Water
gMC->Gspos ("FWAA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
gMC->Gsvolu("FWAB", "BOX ", idtmed[515], par, 3); // Water
gMC->Gspos ("FWAB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
gMC->Gsvolu("FWAC", "BOX ", idtmed[515], par, 3); // Water
gMC->Gspos ("FWAC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
//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");
}
//_____________________________________________________________________________
void AliTOFv4::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 AliTOFv4::CreateMaterials()
{
//
// Define materials for the Time Of Flight
//
AliTOF::CreateMaterials();
}
//_____________________________________________________________________________
void AliTOFv4::Init()
{
//
// Initialise the detector after the geometry has been defined
//
printf("**************************************"
" TOF "
"**************************************\n");
printf("\n Version 4 of TOF initialing, "
"symmetric TOF - Full Coverage version\n");
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");
printf("**************************************"
" TOF "
"**************************************\n");
}
//_____________________________________________________________________________
void AliTOFv4::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[13],phi,phid,z;
Int_t vol[5];
Int_t sector, plate, pad_x, pad_z, strip;
Int_t copy, pad_z_id, pad_x_id, strip_id, i;
Int_t *idtmed = fIdtmed->GetArray()-499;
Float_t IncidenceAngle;
if(gMC->GetMedium()==idtmed[513] &&
gMC->IsTrackEntering() && gMC->TrackCharge()
&& gMC->CurrentVolID(copy)==fIdSens)
{
// getting information about hit volumes
pad_z_id=gMC->CurrentVolOffID(2,copy);
pad_z=copy;
pad_x_id=gMC->CurrentVolOffID(1,copy);
pad_x=copy;
strip_id=gMC->CurrentVolOffID(5,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);
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;
phi = pos.Phi();
phid = phi*kRaddeg+180.;
sector = Int_t (phid/20.);
sector++;
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();
vol[0]= sector;
vol[1]= plate;
vol[2]= strip;
vol[3]= pad_x;
vol[4]= pad_z;
AddHit(gAlice->CurrentTrack(),vol, hits);
}
}