///////////////////////////////////////////////////////////////////////////////
// //
// Photon Multiplicity Detector //
// This class contains the basic functions for the Photon Multiplicity //
// Detector. Functions specific to one particular geometry are //
// contained in the derived classes //
// //
//Begin_Html
/*
The responsible person for this module is
Subhasis Chattopadhyay.
*/
//End_Html
// //
///////////////////////////////////////////////////////////////////////////////
#include
#include
#include "AliPMD.h"
#include "AliRun.h"
#include "AliMC.h"
#include "AliConst.h"
static Float_t smod1[3], smod2[3], smod3[3], smod4[3];
static Int_t maxbox, kdet;
//static Float_t pmdin,pmdout,wafer;
static Float_t thgas,thcell,thmin,thmax,zdist,thlow,
thhigh,edge;
static Int_t numqu;
static Float_t xbox[40][40], ybox[40][40];
static Int_t pindex[40][40];
ClassImp(AliPMD)
//_____________________________________________________________________________
AliPMD::AliPMD()
{
//
// Default constructor
//
fIshunt = 0;
}
//_____________________________________________________________________________
AliPMD::AliPMD(const char *name, const char *title)
: AliDetector(name,title)
{
//
// Default constructor
//
//
// Allocate the array of hits
fHits = new TClonesArray("AliPMDhit", 405);
fIshunt = 1;
fPar[0] = 1;
fPar[1] = 1;
fPar[2] = 0.8;
fPar[3] = 0.02;
fIn[0] = 6;
fIn[1] = 20;
fIn[2] = 600;
fIn[3] = 27;
fIn[4] = 27;
fGeo[0] = 0;
fGeo[1] = 0.2;
fGeo[2] = 4;
fPadSize[0] = 0.8;
fPadSize[1] = 1.0;
fPadSize[2] = 1.2;
fPadSize[3] = 1.5;
}
//_____________________________________________________________________________
void AliPMD::AddHit(Int_t track, Int_t *vol, Float_t *hits)
{
//
// Add a PMD hit
//
TClonesArray &lhits = *fHits;
AliPMDhit *newcell, *curcell;
// printf("PMD++ Adding energy %f, prim %d, vol %d %d %d %d\n",
// hits[3],gAlice->GetPrimary(track-1),vol[0],vol[1],vol[2],vol[3]);
newcell = new AliPMDhit(fIshunt, track, vol, hits);
Int_t i;
for (i=0; iPrint();
*curcell = *curcell+*newcell;
// printf("Cell after addition\n") ; curcell->Print();
delete newcell;
return;
}
}
new(lhits[fNhits++]) AliPMDhit(newcell);
delete newcell;
}
//_____________________________________________________________________________
void AliPMD::BuildGeometry()
{
//
// Build simple ROOT TNode geometry for event display
//
TNode *Node, *Top;
const int kColorPMD = kRed;
//
Top=gAlice->GetGeometry()->GetNode("alice");
// PMD
new TBRIK("S_PMD","PMD box","void",300,300,5);
Top->cd();
Node = new TNode("PMD","PMD","S_PMD",0,0,600,"");
Node->SetLineColor(kColorPMD);
fNodes->Add(Node);
}
//_____________________________________________________________________________
Int_t AliPMD::DistancetoPrimitive(Int_t , Int_t )
{
//
// Distance from mouse to detector on the screen
// dummy routine
//
return 9999;
}
//_____________________________________________________________________________
void AliPMD::SetPAR(Float_t p1, Float_t p2, Float_t p3,Float_t p4)
{
//
// Set PMD parameters
//
fPar[0] = p1;
fPar[1] = p2;
fPar[2] = p3;
fPar[3] = p4;
}
//_____________________________________________________________________________
void AliPMD::SetIN(Float_t p1, Float_t p2, Float_t p3,Float_t p4,Float_t p5)
{
//
// Set PMD parameters
//
fIn[0] = p1;
fIn[1] = p2;
fIn[2] = p3;
fIn[3] = p4;
fIn[4] = p5;
}
//_____________________________________________________________________________
void AliPMD::SetGEO(Float_t p1, Float_t p2, Float_t p3)
{
//
// Set geometry parameters
//
fGeo[0] = p1;
fGeo[1] = p2;
fGeo[2] = p3;
}
//_____________________________________________________________________________
void AliPMD::SetPadSize(Float_t p1, Float_t p2, Float_t p3,Float_t p4)
{
//
// Set pad size
//
fPadSize[0] = p1;
fPadSize[1] = p2;
fPadSize[2] = p3;
fPadSize[3] = p4;
}
//_____________________________________________________________________________
void AliPMD::StepManager()
{
//
// Called at every step in PMD
//
}
//_____________________________________________________________________________
void AliPMD::Undulation(char *undul, Float_t pitch, Float_t thick,
Float_t zundul, Float_t rundul, char (*cone)[5])
{
//
// RUNDUL : Internal radius of the undulated chamber
// THICK : material thickness
// PITCH : one-QUARTER wave of undulation (cm)
// ZUNDUL : half length (cm)
//
// The undulated structure is desgned as a superposition of eight CONES
// of suitable sizes, where the inner/outer radius of the cone increases,
// then decreases, each half of the wave is assumed to be a semicircle,
// which allows to calculate the thickness and the radii of the cone, by
// dividing the semicircle into 4 parts of equal arc length.
// Thus apear the constants 0.293 and 0.707.
//
const Float_t const1 = .293;
const Float_t const2 = .707;
AliMC* pMC = AliMC::GetMC();
// Local variables
Int_t j, nwave;
Float_t dcone1[5], dcone2[5], dcone3[5], dcone4[5], dcone5[5],
dcone6[5], dcone7[5], dcone8[5];
Float_t xc, yc, zc, dundul[3];
Int_t *idtmed = gAlice->Idtmed();
// Function Body
dcone1[0] = const1 * pitch / 2;
dcone1[1] = rundul;
dcone1[2] = dcone1[1] + thick;
dcone1[3] = dcone1[1] + const2 * pitch;
dcone1[4] = dcone1[3] + thick;
dcone2[0] = const2 * pitch / 2;
dcone2[1] = dcone1[3];
dcone2[2] = dcone1[4];
dcone2[3] = dcone2[1] + const1 * pitch;
dcone2[4] = dcone2[3] + thick;
dcone3[0] = dcone2[0];
dcone3[1] = dcone2[3];
dcone3[2] = dcone2[4];
dcone3[3] = dcone2[1];
dcone3[4] = dcone2[2];
dcone4[0] = dcone1[0];
dcone4[1] = dcone1[3];
dcone4[2] = dcone1[4];
dcone4[3] = dcone1[1];
dcone4[4] = dcone1[2];
dcone5[0] = dcone1[0];
dcone5[1] = dcone1[1] - thick;
dcone5[2] = dcone1[1];
dcone5[3] = dcone5[1] - const2 * pitch;
dcone5[4] = dcone5[3] + thick;
dcone6[0] = dcone2[0];
dcone6[1] = dcone5[3];
dcone6[2] = dcone5[4];
dcone6[3] = dcone6[1] - const1 * pitch;
dcone6[4] = dcone6[3] + thick;
dcone7[0] = dcone6[0];
dcone7[1] = dcone6[3];
dcone7[2] = dcone6[4];
dcone7[3] = dcone5[3];
dcone7[4] = dcone5[4];
dcone8[0] = dcone5[0];
dcone8[1] = dcone7[3];
dcone8[2] = dcone7[4];
dcone8[3] = dcone5[1];
dcone8[4] = dcone5[2];
pMC->Gsvolu(cone[0], "CONE", idtmed[606-1], dcone1, 5);
pMC->Gsvolu(cone[1], "CONE", idtmed[606-1], dcone2, 5);
pMC->Gsvolu(cone[2], "CONE", idtmed[606-1], dcone3, 5);
pMC->Gsvolu(cone[3], "CONE", idtmed[606-1], dcone4, 5);
pMC->Gsvolu(cone[4], "CONE", idtmed[606-1], dcone5, 5);
pMC->Gsvolu(cone[5], "CONE", idtmed[606-1], dcone6, 5);
pMC->Gsvolu(cone[6], "CONE", idtmed[606-1], dcone7, 5);
pMC->Gsvolu(cone[7], "CONE", idtmed[606-1], dcone8, 5);
pMC->Gsatt(cone[0], "SEEN", 0);
pMC->Gsatt(cone[1], "SEEN", 0);
pMC->Gsatt(cone[2], "SEEN", 0);
pMC->Gsatt(cone[3], "SEEN", 0);
pMC->Gsatt(cone[4], "SEEN", 0);
pMC->Gsatt(cone[5], "SEEN", 0);
pMC->Gsatt(cone[6], "SEEN", 0);
pMC->Gsatt(cone[7], "SEEN", 0);
// DEFINE AN IMAGINARY TUBE VOLUME FOR UNDULATED CHAMBER, FILL WITH VACUUM
nwave = Int_t (zundul / (pitch * 2) + .1);
dundul[2] = pitch * 2 * nwave;
dundul[1] = rundul + pitch + thick * 2;
//
dundul[0] = 1e-4;
pMC->Gsvolu(undul, "TUBE", idtmed[698-1], dundul, 3);
xc = 0;
yc = 0;
zc = -dundul[2] + dcone1[0];
for (j = 1; j <= nwave; ++j) {
pMC->Gspos(cone[0], j, undul, xc, yc, zc, 0, "ONLY");
zc = zc + dcone1[0] + dcone2[0];
pMC->Gspos(cone[1], j, undul, xc, yc, zc, 0, "ONLY");
zc = zc + dcone2[0] + dcone3[0];
pMC->Gspos(cone[2], j, undul, xc, yc, zc, 0, "ONLY");
zc = zc + dcone3[0] + dcone4[0];
pMC->Gspos(cone[3], j, undul, xc, yc, zc, 0, "ONLY");
zc = zc + dcone4[0] + dcone5[0];
pMC->Gspos(cone[4], j, undul, xc, yc, zc, 0, "ONLY");
zc = zc + dcone5[0] + dcone6[0];
pMC->Gspos(cone[5], j, undul, xc, yc, zc, 0, "ONLY");
zc = zc + dcone6[0] + dcone7[0];
pMC->Gspos(cone[6], j, undul, xc, yc, zc, 0, "ONLY");
zc = zc + dcone7[0] + dcone8[0];
pMC->Gspos(cone[7], j, undul, xc, yc, zc, 0, "ONLY");
zc = zc + dcone8[0] + dcone1[0];
}
}
///////////////////////////////////////////////////////////////////////////////
// //
// Photon Multiplicity Detector Version 1 //
// //
//Begin_Html
/*
*/
//End_Html
// //
///////////////////////////////////////////////////////////////////////////////
ClassImp(AliPMDv1)
//_____________________________________________________________________________
AliPMDv1::AliPMDv1() : AliPMD()
{
//
// Default constructor
//
fMedSens=0;
}
//_____________________________________________________________________________
AliPMDv1::AliPMDv1(const char *name, const char *title)
: AliPMD(name,title)
{
//
// Standard constructor
//
fMedSens=0;
}
//_____________________________________________________________________________
void AliPMDv1::Coordnew()
{
//
// Find coordinates for pad geometry
//
// Author Y.P. Viyogi, VECC Calcutta
//
Float_t th1, th2, dbox, dist;
//Float_t xoff[40][40], yoff[40][40];
Int_t i, j, nbox;
Int_t xoff1[3], yoff1[3], l;
Float_t dmax, hole;
Int_t kk, nhol;
Float_t rr, xx, yy;
th1 = thmin * kPI / 180;
th2 = thmax * kPI / 180;
/* ESTIMATES FOR OCTAGON */
dist = zdist * TMath::Tan(th2);
/* *** 04.06.97 Fixed Module size of 6 cm, 0 mm boundary. */
/* *** variable pad sizes of 0.3 mm, 0.5 mm, 1.0 mm and 1.2 mm */
dbox = edge * 2 + 24;
maxbox = Int_t(dist / dbox + .5);
dmax= maxbox * dbox;
/* NOW GET THE HOLE SIZE ETC. */
hole = zdist * TMath::Tan(th1);
nhol = Int_t(hole / dbox + .5);
hole = nhol * dbox;
//rlow = zdist * TMath::Tan(thlow * kPI / 180);
//rhigh = zdist * TMath::Tan(thhigh * kPI / 180);
for (i = 1; i <= 40; ++i) {
for (j = 1; j <= 40; ++j) {
//index[j][i] = 0;
//xoff[j][i] = 0;
//yoff[j][i] = 0;
xbox[j][i] = 0;
/* L5: */
ybox[j][i] = 0;
}
}
// NOW START PLACING THE BOXES IN VARIOUS LAYERS, START FROM THE CENTRE
yy = dbox / 2;
for(i=0;i<3;i++) yoff1[i]=0;
nbox = 0;
// PRINT*,'MAXBOX=',MAXBOX
for (i = 1; i <= maxbox; ++i) {
xx = dbox / 2;
for(j=0;j<3;j++) xoff1[j]=0;
for (j = 1; j <= maxbox; ++j) {
rr = sqrt(xx*xx+yy*yy);
if (rr >= hole && rr <= dmax) {
// BOX CAN BE FITTED
//index[j][i] = 2;
//if (rr < rlow) index[j][i] = 1;
//else if (rr > rhigh) index[j][i] = 3;
xbox[j][i] = xx;
ybox[j][i] = yy;
++nbox;
//xoff[j][i] = xoff1[index[j][i] - 1];
//yoff[j][i] = yoff1[index[j][i] - 1];
}
if (kdet == 1) kk = 1; else kk = 0;
for (l = 1; l <= 3; ++l)
xoff1[l - 1] += fNumPads[l + kk - 1];
xx += dbox;
}
if (kdet == 1) kk = 1; else kk=0;
for (l = 1; l <= 3; ++l)
yoff1[l - 1] += fNumPads[l + kk - 1];
yy += dbox;
}
}
//_____________________________________________________________________________
void AliPMDv1::Coordinates()
{
//
// SUBROUTINE TO COMPUTE THE X- AND Y- COORDINATES OF THE BOXES
// WHICH CAN FIT INTO THE CIRCULAR REGION BETWEEN THE GIVEN ANGLES.
// INPUT : ZDIST, THMIN, THMAX, PADSIZE (FOR INSIDE and OUTSIDE PMD).
// ALL DIMENSIONS IN CM.
// -- Author : Y.P. VIYOGI, 10/05/1996.
Float_t hole, dmax, dbox;
Int_t nhol;
Float_t dist;
Int_t nbox;
Float_t rlow;
Int_t i, j;
Float_t rhigh, rr, xx, yy, th1, th2;
th1 = thmin*kPI/180;
th2 = thmax*kPI/180;
// ESTIMATES FOR OCTAGON
dist = zdist * TMath::Tan(th2);
// *** 04.06.97 Fixed Module size of 24 cm, 3 mm boundary.
// *** variable pad sizes of 8 mm, 10 mm, 12mm and 15 mm
dbox = edge*2 + 24.;
maxbox = Int_t(dist / dbox + .5);
dmax = maxbox*dbox;
// NOW GET THE HOLE SIZE ETC.
hole = zdist * TMath::Tan(th1);
nhol = Int_t(hole / dbox + .5);
hole = nhol * dbox;
rlow = zdist * TMath::Tan(thlow*kPI/180);
rhigh = zdist * TMath::Tan(thhigh*kPI/180);
for (i = 0; i < 40; ++i) {
for (j = 0; j < 40; ++j) {
pindex[j][i] = 0;
xbox[j][i] = 0;
ybox[j][i] = 0;
}
}
// NOW START PLACING THE BOXES IN VARIOUS LAYERS, START FROM THE CENTRE
yy = dbox / 2;
nbox = 0;
for (i = 0; i < maxbox; ++i) {
xx = dbox / 2;
for (j = 0; j < maxbox; ++j) {
rr = TMath::Sqrt(xx*xx + yy*yy);
if (rr >= hole && rr <= dmax) { // BOX CAN BE FITTED
pindex[j][i] = 2;
if (rr < rlow) pindex[j][i] = 1;
if (rr > rhigh) pindex[j][i] = 3;
xbox[j][i] = xx;
ybox[j][i] = yy;
++nbox;
}
xx += dbox;
}
yy += dbox;
}
}
//_____________________________________________________________________________
void AliPMDv1::CreateGeometry()
{
//
// Create geometry for Photon Multiplicity Detector Version 1
//
//Begin_Html
/*
*/
//End_Html
//Begin_Html
/*
*/
//End_Html
CreatePads();
CreateInside();
}
//_____________________________________________________________________________
void AliPMDv1::CreateInside()
{
//
// Create inside of Pads
//
// -- Author : Y.P. VIYOGI, 07/05/1996.
// -- Modified: P.V.K.S.Baba(JU), 15-12-97.
Float_t sipmd[3] = { 300.,300.,5. };
Int_t i2;
Float_t xiqa[4], yiqa[4];
Int_t inum2, inum3, inum4, i, j, k;
Float_t siqad[4];
Float_t zd, xd, yd, xp, yp, zp;
Int_t idrotm[100];
Int_t *idtmed = gAlice->Idtmed();
// VOLUMES Names : begining with D for all PMD volumes,
// The names of SIZE variables begin with S and have more meaningful
// characters as shown below.
// VOLUME SIZE MEDIUM : REMARKS
// ------ ----- ------ : ---------------------------
// DPMD SIPMD AIR : INSIDE PMD and its SIZE
// *** Define the DPMD Volume and fill with air ***
AliMC* pMC = AliMC::GetMC();
pMC->Gsvolu("DPMD", "BOX ", idtmed[698], sipmd, 3);
// *** Define DIQU Volume and fill with air
siqad[0] = sipmd[0] / 2. - 1.;
siqad[1] = sipmd[1] / 2. - 1.;
siqad[2] = sipmd[2];
pMC->Gsvolu("DIQU","BOX ", idtmed[698], siqad, 3);
pMC->Gsatt("DIQU", "SEEN", 1);
// --- Place the modules in INSIDE PMD (DPMD)
// --- FIRST CALCULATE THE COORDINATES OF THE MODULES WHICH CAN BE
// --- ACCOMODATED.
kdet = 1;
Coordinates();
//inum = 0;
zd = 0.;
AliMatrix(idrotm[1], 90., 0., 90., 90., 0., 0.);
AliMatrix(idrotm[2], 90., 180., 90., 90., 0., 0.);
AliMatrix(idrotm[3], 90., 180., 90., 270., 0., 0.);
AliMatrix(idrotm[4], 90., 0., 90., 270., 0., 0.);
// **** Filling the DIQU Vol. (One Quadrant)
inum2 = 0;
inum3 = 0;
inum4 = 0;
for (i = 0; i < maxbox; ++i) {
i2 = maxbox;
for (j = 0; j < i2; ++j) {
if (xbox[j][i] <= 0 && ybox[j][i] <= 0) continue;
xd = xbox[j][i] - siqad[0];
yd = ybox[j][i] - siqad[1];
if (pindex[j][i] == 1) {
++inum2;
pMC->Gsposp("DM11", inum2, "DIQU", xd, yd, zd, 0, "ONLY", smod2, 3);
}
if (pindex[j][i] == 2) {
++inum3;
pMC->Gsposp("DM12", inum3, "DIQU", xd, yd, zd, 0, "ONLY", smod3, 3);
}
if (pindex[j][i] == 3) {
++inum4;
pMC->Gsposp("DM13", inum4, "DIQU", xd, yd, zd, 0, "ONLY", smod4, 3);
}
}
}
xiqa[0] = siqad[0];
xiqa[1] = -siqad[0];
xiqa[2] = xiqa[1];
xiqa[3] = xiqa[0];
yiqa[0] = siqad[0];
yiqa[1] = yiqa[0];
yiqa[2] = -siqad[0];
yiqa[3] = yiqa[2];
i2 = numqu;
for (k = 1; k <= i2; ++k) {
pMC->Gsposp("DIQU", k, "DPMD", xiqa[k-1], yiqa[k-1], zd, idrotm[k], "ONLY", siqad, 3);
}
// --- Place the DPMD in ALICE with front edge 6.0m from vertex ---
xp = 0.;
yp = 0.;
zp = zdist;
pMC->Gspos("DPMD", 1, "ALIC", xp, yp, zp, 0, "ONLY");
}
//_____________________________________________________________________________
void AliPMDv1::CreatePads()
{
//
// Create the geometry of the pads
// *** DEFINITION OF THE GEOMETRY OF THE PMD ***
// *** DIFFERENT PADS WITH SIZES 8 MM, 10 MM, 12 MM AND 15 MM SQUARE
// -- Author : Y.P. VIYOGI, 04/06/1997.
// -- Modified: P.V.K.S.Baba(JU), 13-12-97.
AliMC* pMC = AliMC::GetMC();
Int_t npad1, npad2, npad3, npad4;
Float_t spad1[3], spad2[3], spad3[3], spad4[3];
Float_t scpv1[3], scpv2[3], scpv3[3], scpv4[3];
Int_t i, j;
Float_t sstr1[3], spsw1[3], sstr2[3], spsw2[3], sstr3[3], spsw3[3],
sstr4[3], spsw4[3];
Float_t xa, ya, za, xb, yb, zb, xc, sw[3], yc, zc;
Float_t sfe[3];
Float_t spb[3], pad1, pad2, pad3, pad4;
// VOLUMES Names : begining with D for all PMD volumes,
// DMO1 : MODULE TYPE 1 ( 8 MM PADS)
// DM11 : MODULE TYPE 2 (10 MM PADS)
// DM12 : MODULE TYPE 3 (12 MM PADS)
// DM13 : MODULE TYPE 4 (15 MM PADS)
// The names of SIZE variables begin with S and have more meaningful
// characters as shown below.
// VOLUME SIZE MEDIUM : REMARKS
// ------ ----- ------ : ---------------------------
// DPPB SPB PB : PB Converter and its SIZE
// DPFE SFE FE : FE Support Plate and its SIZE
// DP11 SPAD2 GAS : PAD TYPE 2 (10 MM)
// DP12 SPAD2 GAS : PAD TYPE 2 FOR CPV(10 MM)
// DS11 SSTR2 FE : STRIP OF IRON
// DW11 SPSW2 G10 : PRESHOWER
// DV11 SCPV2 G10 : CPV
// DP13 SPAD3 GAS : PAD TYPE 3 (12 MM)
// DP14 SPAD3 GAS : PAD TYPE 3 FOR CPV(12 MM)
// DS12 SSTR3 FE : STRIP OF IRON
// DW12 SPSW3 G10 : PRESHOWER
// DV12 SCPV3 G10 : CPV
// DP15 SPAD4 GAS : PAD TYPE 4 (15 MM)
// DP16 SPAD4 GAS : PAD TYPE 4 FOR CPV(15 MM)
// DS13 SSTR4 FE : STRIP OF IRON
// DW13 SPSW4 G10 : PRESHOWER
// DV13 SCPV4 G10 : CPV
// ****************** VOLUME TREE ******************
// DM11 (Module)
// |
// |
// -------------------------------------------------
// | | | |
// | | | |
// DV11( CPV) DPFE DPPB DW11(Preshower)
// | |
// | |
// DS12(Strip) DS11(Strip)
// | |
// | |
// DP12(Pads) DP11(Pads)
// ************************************************************
// --- The above gives the Volume Tree. PAD is a gas cell of size
// --- given by PADSIZE in the input cards. STRIP is a collection of
//--- PADs in a row. STRIPs are positioned in the PRESHOWER BOX. This is
//--- then placed in the MODULE. The PSW and the MODULE have the same size
// --- ; Lead converter, Iron support plate are also placed
// --- in the MODULE.
// DATA PAD1,PAD2,PAD3,PAD4/4*0.8/
// DATA NPAD1,NPAD2,NPAD3,NPAD4/4*30/
Int_t *idtmed = gAlice->Idtmed();
// **** PAD SIZE 8 MM
// pmdin = fPar[0];
// pmdout = fPar[1];
thgas = fPar[2];
thcell = fPar[3];
thmin = fIn[0];
thmax = fIn[1];
zdist = fIn[2];
thlow = fIn[3];
thhigh = fIn[4];
// wafer = fGeo[0];
edge = fGeo[1];
numqu = Int_t(fGeo[2]);
// *BABA
pad1 = fPadSize[0];
pad2 = fPadSize[1];
pad3 = fPadSize[2];
pad4 = fPadSize[3];
npad1 = Int_t(24/fPadSize[0]);
npad2 = Int_t(24/fPadSize[1]);
npad3 = Int_t(24/fPadSize[2]);
npad4 = Int_t(24/fPadSize[3]);
// *BABA
spad1[0] = (pad1 - thcell) / 2.;
spad1[1] = spad1[0];
spad1[2] = thgas / 2;
pMC->Gsvolu("DP21", "BOX ", idtmed[604], spad1, 3);
pMC->Gsatt("DP21", "SEEN", 1);
pMC->Gsvolu("DP22", "BOX ", idtmed[604], spad1, 3);
pMC->Gsatt("DP22", "SEEN", 1);
sstr1[0] = npad1*pad1/2;
sstr1[1] = pad1/2;
sstr1[2] = thgas/2;
pMC->Gsvolu("DS21", "BOX ", idtmed[605], sstr1, 3);
pMC->Gsatt("DS21", "SEEN", 1);
pMC->Gsvolu("DS22", "BOX ", idtmed[605], sstr1, 3);
pMC->Gsatt("DS22", "SEEN", 1);
spsw1[0] = sstr1[0] + edge;
spsw1[1] = spsw1[0];
spsw1[2] = (thgas + .4) / 2;
// 2 mm G10 Plate cover (NMATE = 808)
scpv1[0] = spsw1[0];
scpv1[1] = spsw1[1];
scpv1[2] = spsw1[2];
pMC->Gsvolu("DW21", "BOX ", idtmed[607], spsw1, 3);
pMC->Gsatt("DW21", "SEEN", 1);
pMC->Gsvolu("DV21", "BOX ", idtmed[607], spsw1, 3);
pMC->Gsatt("DV21", "SEEN", 1);
// --- place pads in a strip
xa = (-npad1 + 1.) * pad1 / 2.;
ya = 0.;
za = 0.;
for (i = 1; i <= npad1; ++i) {
pMC->Gsposp("DP21", i, "DS21", xa, ya, za, 0, "ONLY", spad1, 3);
pMC->Gsposp("DP22", i, "DS22", xa, ya, za, 0, "ONLY", spad1, 3);
xa += pad1;
}
// --- place strips in the PRESHOWER AND CPV boxes
xb = 0.;
yb = (-npad1 + 1.) * pad1 / 2.;
zb = 0.;
for (j = 1; j <= npad1; ++j) {
pMC->Gsposp("DS21", j, "DW21", xb, yb, zb, 0, "ONLY", sstr1, 3);
pMC->Gsposp("DS22", j, "DV21", xb, yb, zb, 0, "ONLY", sstr1, 3);
yb += pad1;
}
// **** PAD SIZE 10 MM
spad2[0] = (pad2 - thcell) / 2.;
spad2[1] = spad2[0];
spad2[2] = thgas / 2;
pMC->Gsvolu("DP11", "BOX ", idtmed[604], spad2, 3);
pMC->Gsatt("DP11", "SEEN", 1);
pMC->Gsvolu("DP12", "BOX ", idtmed[604], spad2, 3);
pMC->Gsatt("DP12", "SEEN", 1);
sstr2[0] = npad2 * pad2 / 2;
sstr2[1] = pad2 / 2;
sstr2[2] = thgas / 2;
pMC->Gsvolu("DS11", "BOX ", idtmed[605], sstr2, 3);
pMC->Gsatt("DS11", "SEEN", 1);
pMC->Gsvolu("DS12", "BOX ", idtmed[605], sstr2, 3);
pMC->Gsatt("DS12", "SEEN", 1);
spsw2[0] = sstr2[0] + edge;
spsw2[1] = spsw2[0];
spsw2[2] = (thgas + .4) / 2;
// 2 mm G10 Plate cover (NMATE = 808)
scpv2[0] = spsw2[0];
scpv2[1] = spsw2[1];
scpv2[2] = spsw2[2];
pMC->Gsvolu("DW11","BOX ", idtmed[607], spsw2, 3);
pMC->Gsatt("DW11", "SEEN", 1);
pMC->Gsvolu("DV11","BOX ", idtmed[607], spsw2, 3);
pMC->Gsatt("DV11", "SEEN", 1);
// --- place pads in a strip
xa = (-npad2 + 1.) * pad2 / 2.;
ya = 0.;
za = 0.;
for (i = 1; i <= npad2; ++i) {
pMC->Gsposp("DP11", i, "DS11", xa, ya, za, 0, "ONLY", spad2, 3);
pMC->Gsposp("DP12", i, "DS12", xa, ya, za, 0, "ONLY", spad2, 3);
xa += pad2;
}
// --- place strips in the PRESHOWER AND CPV boxes
xb = 0.;
yb = (-npad2 + 1.) * pad2 / 2.;
zb = 0.;
for (j = 1; j <= npad2; ++j) {
pMC->Gsposp("DS11", j, "DW11", xb, yb, zb, 0, "ONLY", sstr2, 3);
pMC->Gsposp("DS12", j, "DV11", xb, yb, zb, 0, "ONLY", sstr2, 3);
yb += pad2;
}
// **** PAD SIZE 12 MM
spad3[0] = (pad3 - thcell) / 2.;
spad3[1] = spad3[0];
spad3[2] = thgas / 2;
pMC->Gsvolu("DP13", "BOX ", idtmed[604], spad3, 3);
pMC->Gsatt("DP13", "SEEN", 1);
pMC->Gsvolu("DP14", "BOX ", idtmed[604], spad3, 3);
pMC->Gsatt("DP14", "SEEN", 1);
sstr3[0] = npad3 * pad3 / 2;
sstr3[1] = pad3 / 2;
sstr3[2] = thgas / 2;
pMC->Gsvolu("DS13", "BOX ", idtmed[605], sstr3, 3);
pMC->Gsatt("DS13", "SEEN", 1);
pMC->Gsvolu("DS14", "BOX ", idtmed[605], sstr3, 3);
pMC->Gsatt("DS14", "SEEN", 1);
spsw3[0] = sstr3[0] + edge;
spsw3[1] = spsw3[0];
spsw3[2] = (thgas + .4) / 2;
// 2 mm G10 Plate cover (NMATE = 808)
scpv3[0] = spsw3[0];
scpv3[1] = spsw3[1];
scpv3[2] = spsw3[2];
pMC->Gsvolu("DW12","BOX ", idtmed[607], spsw3, 3);
pMC->Gsatt("DW12", "SEEN", 1);
pMC->Gsvolu("DV12","BOX ", idtmed[607], spsw3, 3);
pMC->Gsatt("DV12", "SEEN", 1);
// --- place pads in a strip
xa = (-npad3 + 1.) * pad3 / 2.;
ya = 0.;
za = 0.;
for (i = 1; i <= npad3; ++i) {
pMC->Gsposp("DP13", i, "DS13", xa, ya, za, 0, "ONLY", spad3, 3);
pMC->Gsposp("DP14", i, "DS14", xa, ya, za, 0, "ONLY", spad3, 3);
xa += pad3;
}
// --- place strips in the PRESHOWER AND CPV boxes
xb = 0.;
yb = (-npad3 + 1.) * pad3 / 2.;
zb = 0.;
for (j = 1; j <= npad3; ++j) {
pMC->Gsposp("DS13", j, "DW12", xb, yb, zb, 0, "ONLY", sstr3, 3);
pMC->Gsposp("DS14", j, "DV12", xb, yb, zb, 0, "ONLY", sstr3, 3);
yb += pad3;
}
// **** PAD SIZE 15 MM
spad4[0] = (pad4 - thcell) / 2.;
spad4[1] = spad4[0];
spad4[2] = thgas / 2;
pMC->Gsvolu("DP15","BOX ", idtmed[604], spad4, 3);
pMC->Gsatt("DP15", "SEEN", 1);
pMC->Gsvolu("DP16","BOX ", idtmed[604], spad4, 3);
pMC->Gsatt("DP16", "SEEN", 1);
sstr4[0] = npad4 * pad4 / 2;
sstr4[1] = pad4 / 2;
sstr4[2] = thgas / 2;
pMC->Gsvolu("DS15","BOX ", idtmed[605], sstr4, 3);
pMC->Gsatt("DS15", "SEEN", 1);
pMC->Gsvolu("DS16","BOX ", idtmed[605], sstr4, 3);
pMC->Gsatt("DS16", "SEEN", 1);
spsw4[0] = sstr4[0] + edge;
spsw4[1] = spsw4[0];
spsw4[2] = (thgas + .4) / 2;
// 2 mm G10 Plate cover (NMATE = 808)
scpv4[0] = spsw4[0];
scpv4[1] = spsw4[1];
scpv4[2] = spsw4[2];
pMC->Gsvolu("DW13","BOX ", idtmed[607], spsw4, 3);
pMC->Gsatt("DW13", "SEEN", 1);
pMC->Gsvolu("DV13","BOX ", idtmed[607], spsw4, 3);
pMC->Gsatt("DV13", "SEEN", 1);
// --- place pads in a strip
xa = (-npad4 + 1.) * pad4 / 2.;
ya = 0.;
za = 0.;
for (i = 1; i <= npad4; ++i) {
pMC->Gsposp("DP15", i, "DS15", xa, ya, za, 0, "ONLY", spad4, 3);
pMC->Gsposp("DP16", i, "DS16", xa, ya, za, 0, "ONLY", spad4, 3);
xa += pad4;
}
// --- place strips in the PRESHOWER AND CPV boxes
xb = 0.;
yb = (-npad4 + 1.) * pad4 / 2.;
zb = 0.;
for (j = 1; j <= npad4; ++j) {
pMC->Gsposp("DS15", j, "DW13", xb, yb, zb, 0, "ONLY", sstr4, 3);
pMC->Gsposp("DS16", j, "DV13", xb, yb, zb, 0, "ONLY", sstr4, 3);
yb += pad4;
}
// --- DEFINE MODULES, IRON, TUNGSTEN AND LEAD VOLUMES
spb[0] = spsw1[0];
spb[1] = spsw1[1];
spb[2] = .75;
pMC->Gsvolu("DPPB","BOX ", idtmed[600], spb, 3);
pMC->Gsatt("DPPB", "SEEN", 1);
sw[0] = spsw1[0];
sw[1] = spsw1[1];
sw[2] = 0.9/2.;
pMC->Gsvolu("DPW ","BOX ", idtmed[600], sw, 3);
pMC->Gsatt("DPW ", "SEEN", 1);
sfe[0] = spsw1[0];
sfe[1] = spsw1[1];
sfe[2] = 0.6/2.;
pMC->Gsvolu("DPFE","BOX ", idtmed[605], sfe, 3);
pMC->Gsatt("DPFE", "SEEN", 1);
smod1[0] = spsw1[0];
smod1[1] = smod1[0];
// SMOD1(3)=SPSW1(3)+SFE(3)+SW (3)+SCPV1(3)
smod1[2] = spsw1[2] + sfe[2] + spb[2] + scpv1[2];
pMC->Gsvolu("DM21", "BOX ", idtmed[698], smod1, 3);
smod2[0] = spsw2[0];
smod2[1] = smod2[0];
smod2[2] = spsw2[2] + sfe[2] + spb[2] + scpv2[2];
pMC->Gsvolu("DM11", "BOX ", idtmed[698], smod2, 3);
smod3[0] = spsw3[0];
smod3[1] = smod3[0];
smod3[2] = spsw3[2] + sfe[2] + spb[2] + scpv3[2];
pMC->Gsvolu("DM12", "BOX ", idtmed[698], smod3, 3);
smod4[0] = spsw4[0];
smod4[1] = smod4[0];
smod4[2] = spsw4[2] + sfe[2] + spb[2] + scpv4[2];
pMC->Gsvolu("DM13", "BOX ", idtmed[698], smod4, 3);
// **** MODULE TYPE 1 : ALWAYS WITH TUNSGTEN CONVERTER
// *** try with PB once 8.6.97
// --- place gas box (as CPV), iron support, lead converter and gas box
// --- (preshower) in the module
xc = 0.;
yc = 0.;
// --- First the CPV box
zc = -(spsw1[2] + sfe[2] + spb[2] + spsw1[2]) + spsw1[2];
pMC->Gspos("DV21", 1, "DM21", xc, yc, zc, 0, "ONLY");
// --- Then iron support plate
zc = zc + sfe[2] + spsw1[2];
pMC->Gspos("DPFE", 1, "DM21", xc, yc, zc, 0, "ONLY");
// --- Then converter plate
zc = zc + sfe[2] + spb[2];
pMC->Gspos("DPPB", 1, "DM21", xc, yc, zc, 0, "ONLY");
// --- Lastly the preshower box
zc = zc + spb[2] + spsw1[2];
pMC->Gspos("DW21", 1, "DM21", xc, yc, zc, 0, "ONLY");
// **** MODULE TYPE 2
// --- place gas box (as CPV), iron support, lead converter and gas box
// --- (preshower) in the module
xc = 0.;
yc = 0.;
// --- First the CPV box
zc = -(spsw2[2] + sfe[2] + spb[2] + spsw2[2]) + spsw2[2];
pMC->Gspos("DV11", 1, "DM11", xc, yc, zc, 0, "ONLY");
// --- Then iron support plate
zc = zc + sfe[2] + spsw2[2];
pMC->Gspos("DPFE", 1, "DM11", xc, yc, zc, 0, "ONLY");
// --- Then lead converter plate
zc = zc + sfe[2] + spb[2];
pMC->Gspos("DPPB", 1, "DM11", xc, yc, zc, 0, "ONLY");
// --- Lastly the preshower box
zc = zc + spb[2] + spsw2[2];
pMC->Gspos("DW11", 1, "DM11", xc, yc, zc, 0, "ONLY");
// **** MODULE TYPE 3
// --- place gas box (as CPV), iron support, lead converter and gas box
// --- (preshower) in the module
xc = 0.;
yc = 0.;
// --- First the CPV box
zc = -(spsw3[2] + sfe[2] + spb[2] + spsw3[2]) + spsw3[2];
pMC->Gspos("DV12", 1, "DM12", xc, yc, zc, 0, "ONLY");
// --- Then iron support plate
zc = zc + sfe[2] + spsw3[2];
pMC->Gspos("DPFE", 1, "DM12", xc, yc, zc, 0, "ONLY");
// --- Then lead converter plate
zc = zc + sfe[2] + spb[2];
pMC->Gspos("DPPB", 1, "DM12", xc, yc, zc, 0, "ONLY");
// --- Lastly the preshower box
zc = zc + spb[2] + spsw3[2];
pMC->Gspos("DW12", 1, "DM12", xc, yc, zc, 0, "ONLY");
// **** MODULE TYPE 4
// --- place gas box (as CPV), iron support, lead converter and gas box
// --- (preshower) in the module
xc = 0.;
yc = 0.;
// --- First the CPV box
zc = -(spsw4[2] + sfe[2] + spb[2] + spsw4[2]) + spsw4[2];
pMC->Gspos("DV13", 1, "DM13", xc, yc, zc, 0, "ONLY");
// --- Then iron support plate
zc = zc + sfe[2] + spsw4[2];
pMC->Gspos("DPFE", 1, "DM13", xc, yc, zc, 0, "ONLY");
// --- Then lead converter plate
zc = zc + sfe[2] + spb[2];
pMC->Gspos("DPPB", 1, "DM13", xc, yc, zc, 0, "ONLY");
// --- Lastly the preshower box
zc = zc + spb[2] + spsw4[2];
pMC->Gspos("DW13", 1, "DM13", xc, yc, zc, 0, "ONLY");
}
//_____________________________________________________________________________
void AliPMDv1::DrawDetector()
{
//
// Draw a shaded view of the Photon Multiplicity Detector
//
AliMC* pMC = AliMC::GetMC();
pMC->Gsatt("*", "seen", -1);
pMC->Gsatt("alic", "seen", 0);
//
// Set the visibility of the components
//
pMC->Gsatt("DP21","seen",0);
pMC->Gsatt("DP22","seen",0);
pMC->Gsatt("DS21","seen",1);
pMC->Gsatt("DS22","seen",1);
pMC->Gsatt("DW21","seen",0);
pMC->Gsatt("DV21","seen",0);
pMC->Gsatt("DP11","seen",0);
pMC->Gsatt("DP12","seen",0);
pMC->Gsatt("DS11","seen",1);
pMC->Gsatt("DS12","seen",1);
pMC->Gsatt("DW11","seen",0);
pMC->Gsatt("DV11","seen",0);
pMC->Gsatt("DP13","seen",0);
pMC->Gsatt("DP14","seen",0);
pMC->Gsatt("DS13","seen",1);
pMC->Gsatt("DS14","seen",1);
pMC->Gsatt("DW12","seen",0);
pMC->Gsatt("DV12","seen",0);
pMC->Gsatt("DP15","seen",0);
pMC->Gsatt("DP16","seen",0);
pMC->Gsatt("DS15","seen",1);
pMC->Gsatt("DS16","seen",1);
pMC->Gsatt("DW13","seen",0);
pMC->Gsatt("DV13","seen",0);
pMC->Gsatt("DPPB","seen",1);
pMC->Gsatt("DPW ","seen",1);
pMC->Gsatt("DPFE","seen",1);
pMC->Gsatt("DM21","seen",1);
pMC->Gsatt("DM11","seen",1);
pMC->Gsatt("DM12","seen",1);
pMC->Gsatt("DM13","seen",1);
pMC->Gsatt("DPMD","seen",0);
pMC->Gsatt("DIQU","seen",0);
//
pMC->Gdopt("hide", "on");
pMC->Gdopt("shad", "on");
pMC->Gsatt("*", "fill", 7);
pMC->SetClipBox(".");
pMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000);
pMC->DefaultRange();
pMC->Gdraw("alic", 40, 30, 0, 22, 15.5, .04, .04);
pMC->Gdhead(1111, "Photon Multiplicity Detector Version 1");
pMC->Gdman(17, 5, "MAN");
pMC->Gdopt("hide", "off");
}
//_____________________________________________________________________________
void AliPMDv1::CreateMaterials()
{
//
// Create materials for the PMD version 1
//
// ORIGIN : Y. P. VIYOGI
//
AliMC* pMC = AliMC::GetMC();
// --- The Argon- CO2 mixture ---
Float_t ag[2] = { 39.95 };
Float_t zg[2] = { 18. };
Float_t wg[2] = { .8,.2 };
Float_t dar = .001782; // --- Ar density in g/cm3 ---
// --- CO2 ---
Float_t ac[2] = { 12.,16. };
Float_t zc[2] = { 6.,8. };
Float_t wc[2] = { 1.,2. };
Float_t dc = .001977;
Float_t dco = .002; // --- CO2 density in g/cm3 ---
Float_t absl, radl, a, d, z;
Float_t dg;
Float_t x0ar;
Float_t buf[1];
Int_t nbuf;
Int_t *idtmed = gAlice->Idtmed();
Int_t isxfld = gAlice->Field()->Integ();
Float_t sxmgmx = gAlice->Field()->Max();
// --- Define the various materials for GEANT ---
AliMaterial(1, "Pb $", 207.19, 82., 11.35, .56, 18.5);
x0ar = 19.55 / dar;
AliMaterial(2, "Argon$", 39.95, 18., dar, x0ar, 6.5e4);
AliMixture(3, "CO2 $", ac, zc, dc, -2, wc);
AliMaterial(4, "Al $", 26.98, 13., 2.7, 8.9, 18.5);
AliMaterial(6, "Fe $", 55.85, 26., 7.87, 1.76, 18.5);
AliMaterial(7, "W $", 183.85, 74., 19.3, .35, 10.3);
AliMaterial(8, "G10 $", 20., 10., 1.7, 19.4, 999);
AliMaterial(9, "SILIC$", 28.09, 14., 2.33, 9.36, 45.);
AliMaterial(10, "Be $", 9.01, 4., 1.848, 35.3, 36.7);
AliMaterial(15, "Cu $", 63.54, 29., 8.96, 1.43, 15.);
AliMaterial(16, "C $", 12.01, 6., 2.265, 18.8, 49.9);
AliMaterial(96, "MYLAR$", 8.73, 4.55, 1.39, 28.7, 62.);
AliMaterial(97, "CONCR$", 20., 10., 2.5, 10.7, 40.);
AliMaterial(98, "Vacum$", 1e-9, 1e-9, 1e-9, 1e16, 1e16);
AliMaterial(99, "Air $", 14.61, 7.3, .0012, 30420., 67500.);
// define gas-mixtures
char namate[21];
pMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
ag[1] = a;
zg[1] = z;
dg = (dar * 4 + dco) / 5;
AliMixture(5, "ArCO2$", ag, zg, dg, 2, wg);
// Define tracking media
AliMedium(601, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
AliMedium(607, "W conv.$", 7, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
AliMedium(608, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
AliMedium(604, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
AliMedium(606, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
AliMedium(605, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
AliMedium(609, "SILICON $", 9, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
AliMedium(610, "Be $", 10, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
AliMedium(698, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .1, 10);
AliMedium(699, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .1, .1);
AliMedium(615, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
AliMedium(616, "C $", 16, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
// --- Generate explicitly delta rays in the iron, aluminium and lead ---
pMC->Gstpar(idtmed[600], "LOSS", 3.);
pMC->Gstpar(idtmed[600], "DRAY", 1.);
pMC->Gstpar(idtmed[603], "LOSS", 3.);
pMC->Gstpar(idtmed[603], "DRAY", 1.);
pMC->Gstpar(idtmed[604], "LOSS", 3.);
pMC->Gstpar(idtmed[604], "DRAY", 1.);
pMC->Gstpar(idtmed[605], "LOSS", 3.);
pMC->Gstpar(idtmed[605], "DRAY", 1.);
pMC->Gstpar(idtmed[606], "LOSS", 3.);
pMC->Gstpar(idtmed[606], "DRAY", 1.);
pMC->Gstpar(idtmed[607], "LOSS", 3.);
pMC->Gstpar(idtmed[607], "DRAY", 1.);
// --- Energy cut-offs in the Pb and Al to gain time in tracking ---
// --- without affecting the hit patterns ---
pMC->Gstpar(idtmed[600], "CUTGAM", 1e-4);
pMC->Gstpar(idtmed[600], "CUTELE", 1e-4);
pMC->Gstpar(idtmed[600], "CUTNEU", 1e-4);
pMC->Gstpar(idtmed[600], "CUTHAD", 1e-4);
pMC->Gstpar(idtmed[605], "CUTGAM", 1e-4);
pMC->Gstpar(idtmed[605], "CUTELE", 1e-4);
pMC->Gstpar(idtmed[605], "CUTNEU", 1e-4);
pMC->Gstpar(idtmed[605], "CUTHAD", 1e-4);
pMC->Gstpar(idtmed[606], "CUTGAM", 1e-4);
pMC->Gstpar(idtmed[606], "CUTELE", 1e-4);
pMC->Gstpar(idtmed[606], "CUTNEU", 1e-4);
pMC->Gstpar(idtmed[606], "CUTHAD", 1e-4);
pMC->Gstpar(idtmed[603], "CUTGAM", 1e-4);
pMC->Gstpar(idtmed[603], "CUTELE", 1e-4);
pMC->Gstpar(idtmed[603], "CUTNEU", 1e-4);
pMC->Gstpar(idtmed[603], "CUTHAD", 1e-4);
pMC->Gstpar(idtmed[609], "CUTGAM", 1e-4);
pMC->Gstpar(idtmed[609], "CUTELE", 1e-4);
pMC->Gstpar(idtmed[609], "CUTNEU", 1e-4);
pMC->Gstpar(idtmed[609], "CUTHAD", 1e-4);
// --- Prevent particles stopping in the gas due to energy cut-off ---
pMC->Gstpar(idtmed[604], "CUTGAM", 1e-5);
pMC->Gstpar(idtmed[604], "CUTELE", 1e-5);
pMC->Gstpar(idtmed[604], "CUTNEU", 1e-5);
pMC->Gstpar(idtmed[604], "CUTHAD", 1e-5);
pMC->Gstpar(idtmed[604], "CUTMUO", 1e-5);
}
//_____________________________________________________________________________
void AliPMDv1::Init()
{
//
// Initialises PMD detector after it has been built
//
Int_t i;
kdet=1;
//
printf("\n");
for(i=0;i<35;i++) printf("*");
printf(" PMD_INIT ");
for(i=0;i<35;i++) printf("*");
printf("\n");
printf(" PMD simulation package initialised\n");
printf(" parameters of pmd\n");
printf("%6d %10.2f %10.2f %10.2f %10.2f %10.2f\n",kdet,thmin,thmax,zdist,thlow,thhigh);
//
for(i=0;i<80;i++) printf("*");
printf("\n");
//
Int_t *idtmed = gAlice->Idtmed();
fMedSens=idtmed[605-1];
}
//_____________________________________________________________________________
void AliPMDv1::StepManager()
{
//
// Called at each step in the PMD
//
Int_t copy;
Float_t hits[4], destep;
Float_t center[3] = {0,0,0};
Int_t vol[4];
AliMC* pMC=AliMC::GetMC();
if(pMC->GetMedium() == fMedSens && (destep = pMC->Edep())) {
// THIS PART MUST BE CHECKED
pMC->CurrentVol(0, copy);
vol[0]=copy;
pMC->CurrentVolOff(1,0,copy);
vol[1]=copy;
pMC->CurrentVolOff(2,0,copy);
vol[2]=copy;
pMC->CurrentVolOff(1,0,copy);
vol[3]=copy;
pMC->Gdtom(center,hits,1);
hits[3] = destep*1e9; //Number in eV
AddHit(gAlice->CurrentTrack(), vol, hits);
}
}
ClassImp(AliPMDhit)
//_____________________________________________________________________________
AliPMDhit::AliPMDhit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits):
AliHit(shunt, track)
{
//
// Add a PMD hit
//
Int_t i;
for (i=0;i<4;i++) fVolume[i] = vol[i];
fX=hits[0];
fY=hits[1];
fZ=hits[2];
fEnergy=hits[3];
}