///////////////////////////////////////////////////////////////////////////////
// //
// Time Of Flight //
// This class contains the basic functions for the Time Of Flight //
// detector. Functions specific to one particular geometry are //
// contained in the derived classes //
// //
//Begin_Html
/*
*/
//End_Html
// //
// //
///////////////////////////////////////////////////////////////////////////////
#include "AliTOF.h"
#include
#include
#include
#include "AliRun.h"
#include "AliMC.h"
#include "AliConst.h"
ClassImp(AliTOF)
//_____________________________________________________________________________
AliTOF::AliTOF()
{
//
// Default constructor
//
fIshunt = 0;
}
//_____________________________________________________________________________
AliTOF::AliTOF(const char *name, const char *title)
: AliDetector(name,title)
{
//
// AliTOF standard constructor
//
fHits = new TClonesArray("AliTOFhit", 405);
//
fIshunt = 0;
//
SetMarkerColor(7);
SetMarkerStyle(2);
SetMarkerSize(0.4);
}
//_____________________________________________________________________________
void AliTOF::AddHit(Int_t track, Int_t *vol, Float_t *hits)
{
//
// Add a TOF hit
//
TClonesArray &lhits = *fHits;
new(lhits[fNhits++]) AliTOFhit(fIshunt,track,vol,hits);
}
//_____________________________________________________________________________
void AliTOF::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");
//
// Define rotation matrixes
new TRotMatrix("rot501","rot501",90,-18.94737,90,71.05263,0,0);
new TRotMatrix("rot502","rot502",90,-37.89474,90,52.10526,0,0);
new TRotMatrix("rot503","rot503",90,-56.84211,90,33.15789,0,0);
new TRotMatrix("rot504","rot504",90,-75.78947,90,14.21053,0,0);
new TRotMatrix("rot505","rot505",90,-94.73685,90,-4.736847,0,0);
new TRotMatrix("rot506","rot506",90,-113.6842,90,-23.68421,0,0);
new TRotMatrix("rot507","rot507",90,-132.6316,90,-42.63158,0,0);
new TRotMatrix("rot508","rot508",90,-151.5789,90,-61.57895,0,0);
new TRotMatrix("rot509","rot509",90,-170.5263,90,-80.52632,0,0);
new TRotMatrix("rot510","rot510",90,-189.4737,90,-99.47369,0,0);
new TRotMatrix("rot511","rot511",90,-208.4211,90,-118.4211,0,0);
new TRotMatrix("rot512","rot512",90,-227.3684,90,-137.3684,0,0);
new TRotMatrix("rot513","rot513",90,-246.3158,90,-156.3158,0,0);
new TRotMatrix("rot514","rot514",90,-265.2632,90,-175.2632,0,0);
new TRotMatrix("rot515","rot515",90,-284.2105,90,-194.2105,0,0);
new TRotMatrix("rot516","rot516",90,-303.1579,90,-213.1579,0,0);
new TRotMatrix("rot517","rot517",90,-322.1053,90,-232.1053,0,0);
new TRotMatrix("rot518","rot518",90,-341.0526,90,-251.0526,0,0);
new TRotMatrix("rot519","rot519",90,-360,90,-270,0,0);
//
// Define TOF basic volume
new TBRIK("S_TOF1","TOF box","void",60.,6.,175.);
//
// Position the different copies
Top->cd();
Node = new TNode("FTO11","FTO11","S_TOF1",224.8018,288.8254,175,"rot502");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO12","FTO12","S_TOF1",306.4029,200.183,175,"rot503");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO13","FTO13","S_TOF1",354.8005,89.84769,175,"rot504");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO14","FTO14","S_TOF1",364.7499,-30.22407,175,"rot505");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO15","FTO15","S_TOF1",335.173,-147.0205,175,"rot506");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO16","FTO16","S_TOF1",-335.1731,-147.0205,175,"rot513");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO17","FTO17","S_TOF1",-364.7499,-30.22407,175,"rot514");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO18","FTO18","S_TOF1",-354.8005,89.84778,175,"rot515");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO19","FTO19","S_TOF1",-306.4029,200.183,175,"rot516");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO110","FTO110","S_TOF1",-224.8019,288.8254,175,"rot517");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO111","FTO111","S_TOF1",224.8018,288.8254,-175,"rot502");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO112","FTO112","S_TOF1",306.4029,200.183,-175,"rot503");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO113","FTO113","S_TOF1",354.8005,89.84769,-175,"rot504");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO114","FTO114","S_TOF1",364.7499,-30.22407,-175,"rot505");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO115","FTO115","S_TOF1",335.173,-147.0205,-175,"rot506");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO116","FTO116","S_TOF1",-335.1731,-147.0205,-175,"rot513");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO117","FTO117","S_TOF1",-364.7499,-30.22407,-175,"rot514");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO118","FTO118","S_TOF1",-354.8005,89.84778,-175,"rot515");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO119","FTO119","S_TOF1",-306.4029,200.183,-175,"rot516");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO120","FTO120","S_TOF1",-224.8019,288.8254,-175,"rot517");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
// Define second TOF volume
new TBRIK("S_TOF2","TOF box","void",60.,6.,100.);
//
// Position the volume
Top->cd();
Node = new TNode("FTO21","FTO21","S_TOF2",269.275,-247.885,250,"rot507");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO22","FTO22","S_TOF2",174.1967,-321.8874,250,"rot508");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO23","FTO23","S_TOF2",60.24158,-361.0082,250,"rot509");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO24","FTO24","S_TOF2",-60.24168,-361.0082,250,"rot510");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO25","FTO25","S_TOF2",-174.1967,-321.8874,250,"rot511");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO26","FTO26","S_TOF2",-269.275,-247.885,250,"rot512");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO27","FTO27","S_TOF2",269.275,-247.885,-250,"rot507");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO28","FTO28","S_TOF2",174.1967,-321.8874,-250,"rot508");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO29","FTO29","S_TOF2",60.24158,-361.0082,-250,"rot509");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO210","FTO210","S_TOF2",-60.24168,-361.0082,-250,"rot510");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO211","FTO211","S_TOF2",-174.1967,-321.8874,-250,"rot511");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO212","FTO212","S_TOF2",-269.275,-247.885,-250,"rot512");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
// Define third TOF volume
new TBRIK("S_TOF3","TOF box","void",60.,6.,75.);
//
// Position it
Top->cd();
Node = new TNode("FTO31","FTO31","S_TOF3",118.84,346.1691,275,"rot501");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO32","FTO32","S_TOF3",-118.8399,346.1691,275,"rot518");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO33","FTO33","S_TOF3",0.,366.,275.,"rot519");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO34","FTO34","S_TOF3",118.84,346.1691,-275.,"rot501");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO35","FTO35","S_TOF3",-118.8399,346.1691,-275,"rot518");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
//
Top->cd();
Node = new TNode("FTO36","FTO36","S_TOF3",0.,366.,-275.,"rot519");
Node->SetLineColor(kColorTOF);
fNodes->Add(Node);
}
//_____________________________________________________________________________
void AliTOF::CreateGeometry()
{
//
// Common geometry code for version 2 and version 3 of the TOF
//
//Begin_Html
/*
*/
//End_Html
//
AliMC* pMC = AliMC::GetMC();
const Double_t kPi=TMath::Pi();
const Double_t kDegrad=kPi/180;
const Double_t kRaddeg=180/kPi;
//
Float_t fil_rich;
Int_t lmax;
Float_t xtof, ytof, fil_step, phos_phi, phos_min, phos_max;
Int_t lmax1;
Float_t zcor1, zcor2, zcor3;
Float_t ztof0, ztof1, ztof2, xcor2, ycor2;
Int_t i;
Float_t dx, dz, zl, xm, ym, phos_r;
Int_t idrotm[101];
Float_t phos_x;
Float_t rp2, zm0, zm1, zm2;
Float_t par[10], fil_min, fil_max;
Float_t fil1;
//
Int_t *idtmed = gAlice->Idtmed();
//
phos_x = 214.6;
phos_r = 467.;
//phos_z = 260.;
//rich_z = 472.5;
xtof = 120.;
ytof = 12.;
ztof0 = 350.;
ztof1 = 200.;
ztof2 = 150.;
//
// frame thick along Z axis
dz = 0.;
//
// frame thick along X axis
dx = 0.;
//
// barrel length along Z axis
zl = 720.;
//
// PHOS openings
fil_rich = 30.;
phos_phi = TMath::ATan(phos_x / (phos_r * 2.));
phos_min = (kPi - phos_phi * 4.) * kRaddeg;
phos_max = (phos_phi * 4. + kPi) * kRaddeg;
//
// barrel radius in module contact point
par[0] = 355.;
par[1] = 385.;
par[2] = zl / 2.;
pMC->Gsvolu("FBAR", "TUBE", idtmed[500], par, 3);
//
// --- Set module unseen ---
pMC->Gspos("FBAR", 1, "ALIC", 0., 0., 0., 0, "ONLY");
pMC->Gsatt("FBAR", "SEEN", 0);
//
// Number of TOF-block
lmax = 19;
//
// New size YTOF
par[0] = xtof / 2.;
par[1] = ytof / 2.;
par[2] = ztof0 / 2.;
pMC->Gsvolu("FTO1", "BOX ", idtmed[506], par, 3);
pMC->Gsatt("FTO1", "SEEN", -2);
par[2] = ztof1 / 2.;
pMC->Gsvolu("FTO2", "BOX ", idtmed[506], par, 3);
pMC->Gsatt("FTO2", "SEEN", -2);
par[2] = ztof2 / 2.;
pMC->Gsvolu("FTO3", "BOX ", idtmed[506], par, 3);
pMC->Gsatt("FTO3", "SEEN", -2);
//
// Subtraction of TOF module boundaries
xm = xtof - dx * 2.;
ym = ytof;
zm0 = ztof0 - dz * 2.;
zm1 = ztof1 - dz * 2.;
zm2 = ztof2 - dz * 2.;
//
// TOF module internal definitions
//
TOFpc(xm, ym, zm0, zm1, zm2);
//
//rp1 = 382.;
rp2 = 366.;
fil_step = 360. / lmax;
fil_min = phos_min - fil_step * .5;
fil_max = phos_max + fil_step * .5;
zcor1 = 175.;
zcor2 = ztof0 - ztof1 / 2.;
zcor3 = ztof0 - ztof2 / 2.;
for (i = 1; i <= lmax; ++i) {
fil1 = fil_step * i;
//xcor1 = rp1 * TMath::Sin(fil1 * kDegrad) + dx * TMath::Cos(fil1 * kDegrad);
//ycor1 = rp1 * TMath::Cos(fil1 * kDegrad) - dx * TMath::Sin(fil1 * kDegrad);
xcor2 = rp2 * TMath::Sin(fil1 * kDegrad);
ycor2 = rp2 * TMath::Cos(fil1 * kDegrad);
lmax1 = i + lmax;
AliMatrix(idrotm[i], 90., -fil1, 90., 90. - fil1, 0., 0.);
if (fil1 >= fil_min && fil1 <= fil_max) {
pMC->Gspos("FTO2", i, "FBAR", xcor2, ycor2, zcor2, idrotm[i], "ONLY");
pMC->Gspos("FTO2", lmax1, "FBAR", xcor2, ycor2, -zcor2, idrotm[i], "ONLY");
} else if (fil1 <= fil_rich || fil1 >= 360. - fil_rich) {
par[2] = ztof2 / 2.;
pMC->Gspos("FTO3", i, "FBAR", xcor2, ycor2, zcor3, idrotm[i], "ONLY");
pMC->Gspos("FTO3", lmax1, "FBAR", xcor2, ycor2, -zcor3, idrotm[i], "ONLY");
} else {
par[2] = ztof0 / 2.;
pMC->Gspos("FTO1", i, "FBAR", xcor2, ycor2, zcor1, idrotm[i], "ONLY");
pMC->Gspos("FTO1", lmax1, "FBAR", xcor2, ycor2, -zcor1, idrotm[i], "ONLY");
}
}
}
//_____________________________________________________________________________
void AliTOF::DrawModule()
{
//
// Draw a shaded view of the common part of the TOF geometry
// for versions 2 and 3
//
AliMC* pMC = AliMC::GetMC();
// Set everything unseen
pMC->Gsatt("*", "seen", -1);
//
// Set ALIC mother transparent
pMC->Gsatt("ALIC","SEEN",0);
//
// Set the volumes visible
pMC->Gsatt("FBAR","SEEN",0);
pMC->Gsatt("FTO1","SEEN",1);
pMC->Gsatt("FTO2","SEEN",1);
pMC->Gsatt("FTO3","SEEN",1);
//
pMC->Gdopt("hide", "on");
pMC->Gdopt("shad", "on");
pMC->Gsatt("*", "fill", 7);
pMC->SetClipBox(".");
pMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
pMC->DefaultRange();
pMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
pMC->Gdhead(1111, "Time Of Flight");
pMC->Gdman(18, 4, "MAN");
pMC->Gdopt("hide","off");
}
//_____________________________________________________________________________
void AliTOF::CreateMaterials()
{
//
// Defines TOF materials for all versions
// Authors : Maxim Martemianov, Boris Zagreev (ITEP) 18/09/98
//
Int_t ISXFLD = gAlice->Field()->Integ();
Float_t SXMGMX = gAlice->Field()->Max();
//
Float_t ac[2] = { 12.,16. };
Float_t zc[2] = { 6.,8. };
Float_t wc[2] = { 1.,2. };
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 adme[5] = { 12.,1.,16.,19.,79. };
Float_t zdme[5] = { 6.,1.,8.,9.,35. };
Float_t wmatdme[5] = { .4056,.0961,.2562,.1014,.1407 };
Float_t aal[2] = { 27.,16. };
Float_t zal[2] = { 13.,8. };
Float_t wmatal[2] = { 2.,3. };
//
Int_t nlmatdme;
Float_t epsil, stmin, dc, densg10, densal, deemax, stemax;
Float_t densdme;
Int_t nlmatg10, nlmatal;
//
// --- Vacuum
AliMaterial(0, "Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
// --- Air
AliMaterial(1, "Air$",14.61,7.3,0.001205,30423.24,67500.);
// --- CO2
dc = .001977;
AliMixture(7, "CO2$", ac, zc, dc, -2, wc);
// --- G10
densg10 = 1.7;
nlmatg10 = -4;
AliMixture(5, "G10$", ag10, zg10, densg10, nlmatg10, wmatg10);
// --- DME
densdme = .00205;
nlmatdme = 5;
AliMixture(6, "DME ", adme, zdme, densdme, nlmatdme, wmatdme);
// ---- ALUMINA (AL203)
densal = 2.3;
nlmatal = -2;
AliMixture(8, "ALUMINA$", aal, zal, densal, nlmatal, wmatal);
// 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 from
epsil = .001;
stemax = -1.;
deemax = -.3;
stmin = -.8;
AliMedium(500, "Vacuum $", 0, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
AliMedium(501, "Air $", 0, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
AliMedium(505, "G10$", 5, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
AliMedium(506, "DME$", 6, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
AliMedium(507, "CO2$", 7, 0, ISXFLD, SXMGMX, 10., -.01, -.1, .01, -.01);
AliMedium(508, "ALUMINA$", 8, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
AliMedium(510, "DME$", 6, 1, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin);
}
//_____________________________________________________________________________
Int_t AliTOF::DistancetoPrimitive(Int_t , Int_t )
{
//
// Returns distance from mouse pointer to detector, default version
//
return 9999;
}
//_____________________________________________________________________________
void AliTOF::Init()
{
//
// Initialise TOF detector after it has been built
//
Int_t i;
AliMC *pMC=AliMC::GetMC();
//
printf("\n");
for(i=0;i<35;i++) printf("*");
printf(" TOF_INIT ");
for(i=0;i<35;i++) printf("*");
printf("\n");
//
// Set id of TOF sensitive volume
fIdSens=pMC->VolId("FPG2");
//
for(i=0;i<80;i++) printf("*");
printf("\n");
}
ClassImp(AliTOFhit)
//___________________________________________
AliTOFhit::AliTOFhit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits):
AliHit(shunt, track)
{
//
// Store a TOF hit
//
Int_t i;
for (i=0;i<3;i++) fVolume[i] = vol[i];
//
// Position
fX=hits[0];
fY=hits[1];
fZ=hits[2];
//
// Momentum
fPx=hits[3];
fPy=hits[4];
fPz=hits[5];
fPmom=hits[6];
//
// Time Of Flight
fTof=hits[7];
}