+/***************************************************************************
+ * 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. *
+ **************************************************************************/
+
+/* $Id$ */
+
+//
///////////////////////////////////////////////////////////////////////////////
// //
// Photon Multiplicity Detector Version 1 //
//End_Html
// //
///////////////////////////////////////////////////////////////////////////////
+////
+
+#include <Riostream.h>
+#include <TGeoManager.h>
+#include <TGeoGlobalMagField.h>
+#include <TVirtualMC.h>
+
+#include "AliConst.h"
+#include "AliMagF.h"
#include "AliPMDv0.h"
#include "AliRun.h"
-#include "AliMC.h"
-#include "AliConst.h"
-
-static Float_t smod2[3], smod3[3], smod4[3];
-static Int_t maxbox, kdet;
-static Float_t thgas,thmin,thmax,zdist,zdist1,thlow,
- thhigh,edge;
-static Int_t numqu;
-static Float_t xbox[40][40], ybox[40][40];
-static Int_t pindex[40][40];
-
+#include "AliMC.h"
+#include "AliLog.h"
+
+const Int_t AliPMDv0::fgkNcellHole = 24; // Hole dimension
+const Float_t AliPMDv0::fgkCellRadius = 0.25; // Radius of a hexagonal cell
+const Float_t AliPMDv0::fgkCellWall = 0.02; // Thickness of cell Wall
+const Float_t AliPMDv0::fgkCellDepth = 0.50; // Gas thickness
+const Float_t AliPMDv0::fgkBoundary = 0.7; // Thickness of Boundary wall
+const Float_t AliPMDv0::fgkThBase = 0.3; // Thickness of Base plate
+const Float_t AliPMDv0::fgkThAir = 0.1; // Thickness of Air
+const Float_t AliPMDv0::fgkThPCB = 0.16; // Thickness of PCB
+const Float_t AliPMDv0::fgkThLead = 1.5; // Thickness of Pb
+const Float_t AliPMDv0::fgkThSteel = 0.5; // Thickness of Steel
+const Float_t AliPMDv0::fgkZdist = 361.5; // z-position of the detector
+const Float_t AliPMDv0::fgkSqroot3 = 1.7320508;// Square Root of 3
+const Float_t AliPMDv0::fgkSqroot3by2 = 0.8660254;// Square Root of 3 by 2
+const Float_t AliPMDv0::fgkPi = 3.14159; // pi
+
ClassImp(AliPMDv0)
+
//_____________________________________________________________________________
-AliPMDv0::AliPMDv0() : AliPMD()
+AliPMDv0::AliPMDv0():
+ fSMthick(0.),
+ fSMLength(0.),
+ fMedSens(0),
+ fNcellSM(0)
{
//
// Default constructor
//
- fMedSens=0;
}
//_____________________________________________________________________________
-AliPMDv0::AliPMDv0(const char *name, const char *title)
- : AliPMD(name,title)
+AliPMDv0::AliPMDv0(const char *name, const char *title):
+ AliPMD(name,title),
+ fSMthick(0.),
+ fSMLength(0.),
+ fMedSens(0),
+ fNcellSM(0)
{
//
// Standard constructor
//
- fMedSens=0;
}
-//_____________________________________________________________________________
-void AliPMDv0::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;
- Float_t rlow;
- Int_t xoff1[3], yoff1[3], l;
- Float_t rhigh, 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 AliPMDv0::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 AliPMDv0::CreateGeometry()
{
//
- // Create geometry for Photon Multiplicity Detector Version 1
+ // Create geometry for Photon Multiplicity Detector Version 3 :
+ // April 2, 2001
//
//Begin_Html
/*
<img src="picts/AliPMDv0Tree.gif">
*/
//End_Html
- CreatePads();
- CreateInside();
+ GetParameters();
+ CreateSupermodule();
+ CreatePMD();
}
-
+
//_____________________________________________________________________________
-void AliPMDv0::CreateInside()
+void AliPMDv0::CreateSupermodule()
{
//
- // Create inside of Pads
+ // Creates the geometry of the cells, places them in supermodule which
+ // is a rhombus object.
+
+ // *** DEFINITION OF THE GEOMETRY OF THE PMD ***
+ // *** HEXAGONAL CELLS WITH CELL RADIUS 0.25 cm (see "GetParameters")
+ // -- Author : S. Chattopadhyay, 02/04/1999.
+
+ // Basic unit is ECAR, a hexagonal cell made of Ar+CO2, which is placed inside another
+ // hexagonal cell made of Cu (ECCU) with larger radius, compared to ECAR. The difference
+ // in radius gives the dimension of half width of each cell wall.
+ // These cells are placed as 72 x 72 array in a
+ // rhombus shaped supermodule (EHC1). The rhombus shaped modules are designed
+ // to have closed packed structure.
//
- // -- 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;
+ // Each supermodule (ESMA, ESMB), made of G10 is filled with following components
+ // EAIR --> Air gap between gas hexagonal cells and G10 backing.
+ // EHC1 --> Rhombus shaped parallelopiped containing the hexagonal cells
+ // EAIR --> Air gap between gas hexagonal cells and G10 backing.
+ //
+ // ESMA, ESMB are placed in EMM1 along with EMPB (Pb converter)
+ // and EMFE (iron support)
+
+ // EMM1 made of
+ // ESMB --> Normal supermodule, mirror image of ESMA
+ // EMPB --> Pb converter
+ // EMFE --> Fe backing
+ // ESMA --> Normal supermodule
+ //
+ // ESMX, ESMY are placed in EMM2 along with EMPB (Pb converter)
+ // and EMFE (iron support)
+
+ // EMM2 made of
+ // ESMY --> Special supermodule, mirror image of ESMX,
+ // EMPB --> Pb converter
+ // EMFE --> Fe backing
+ // ESMX --> First of the two Special supermodules near the hole
+
+ // EMM3 made of
+ // ESMQ --> Special supermodule, mirror image of ESMX,
+ // EMPB --> Pb converter
+ // EMFE --> Fe backing
+ // ESMP --> Second of the two Special supermodules near the hole
- 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];
+ // EMM2 and EMM3 are used to create the hexagonal HOLE
+
+ //
+ // EPMD
+ // |
+ // |
+ // ---------------------------------------------------------------------------
+ // | | | | |
+ // EHOL EMM1 EMM2 EMM3 EALM
+ // | | |
+ // -------------------- -------------------- --------------------
+ // | | | | | | | | | | | |
+ // ESMB EMPB EMFE ESMA ESMY EMPB EMFE ESMX ESMQ EMPB EMFE ESMP
+ // | | |
+ // ------------ ------------ -------------
+ // | | | | | | | | |
+ // EAIR EHC1 EAIR EAIR EHC2 EAIR EAIR EHC3 EAIR
+ // | | |
+ // ECCU ECCU ECCU
+ // | | |
+ // ECAR ECAR ECAR
+
+ Int_t i, j;
+ Float_t xb, yb, zb;
+ Int_t number;
+ Int_t ihrotm,irotdm;
Int_t *idtmed = fIdtmed->GetArray()-599;
-
- // 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 ***
-
- gMC->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];
- gMC->Gsvolu("DIQU","BOX ", idtmed[698], siqad, 3);
- gMC->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;
- gMC->Gsposp("DM11", inum2, "DIQU", xd, yd, zd, 0, "ONLY", smod2, 3);
- }
- if (pindex[j][i] == 2) {
- ++inum3;
- gMC->Gsposp("DM12", inum3, "DIQU", xd, yd, zd, 0, "ONLY", smod3, 3);
- }
- if (pindex[j][i] == 3) {
- ++inum4;
- gMC->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) {
- gMC->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 = zdist1;
- gMC->Gspos("DPMD", 1, "ALIC", xp, yp, zp, 0, "ONLY");
-
-}
+
+ AliMatrix(ihrotm, 90., 30., 90., 120., 0., 0.);
+ AliMatrix(irotdm, 90., 180., 90., 270., 180., 0.);
+
+ //Subhasis, dimensional parameters of rhombus (dpara) as given to gsvolu
+ // rhombus to accomodate 72 x 72 hexagons, and with total 1.2cm extension
+ //(1mm tolerance on both side and 5mm thick G10 wall)
+ //
+ // **** CELL SIZE 20 mm^2 EQUIVALENT
+ // Inner hexagon filled with gas (Ar+CO2)
-//_____________________________________________________________________________
-void AliPMDv0::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.
+ Float_t hexd2[10] = {0.,360.,6,2,-0.25,0.,0.23,0.25,0.,0.23};
+
+ hexd2[4]= -fgkCellDepth/2.;
+ hexd2[7]= fgkCellDepth/2.;
+ hexd2[6]= fgkCellRadius - fgkCellWall;
+ hexd2[9]= fgkCellRadius - fgkCellWall;
- Int_t npad2;
- Float_t /* scpv1[3], */ scpv2[3] /*, scpv3[3], scpv4[3] */;
- Float_t spsw1[3], spsw2[3];//, spsw3[3], spsw4[3];
- Float_t sw[3], xc, yc, zc;
- Float_t sfe[3];
- Float_t spb[3], pad1, pad2, pad3, pad4;
- // VOLUMES Names : begining with D for all PMD volumes,
+ // Gas replaced by vacuum for v0(insensitive) version of PMD.
+
+ TVirtualMC::GetMC()->Gsvolu("ECAR", "PGON", idtmed[697], hexd2,10);
+ gGeoManager->SetVolumeAttribute("ECAR", "SEEN", 0);
- // DM11 : MODULE TYPE
+ // Outer hexagon made of Copper
- // The names of SIZE variables begin with S and have more meaningful
- // characters as shown below.
+ Float_t hexd1[10] = {0.,360.,6,2,-0.25,0.,0.25,0.25,0.,0.25};
+
+ hexd1[4]= -fgkCellDepth/2.;
+ hexd1[7]= fgkCellDepth/2.;
+ hexd1[6]= fgkCellRadius;
+ hexd1[9]= fgkCellRadius;
+
+ TVirtualMC::GetMC()->Gsvolu("ECCU", "PGON", idtmed[614], hexd1,10);
+ gGeoManager->SetVolumeAttribute("ECCU", "SEEN", 1);
+
+ // --- place inner hex inside outer hex
+
+ TVirtualMC::GetMC()->Gspos("ECAR", 1, "ECCU", 0., 0., 0., 0, "ONLY");
+
+ // Rhombus shaped supermodules (defined by PARA)
- // VOLUME SIZE MEDIUM : REMARKS
- // ------ ----- ------ : ---------------------------
+ // volume for SUPERMODULE
+
+ Float_t dparasm1[6] = {12.5,12.5,0.8,30.,0.,0.};
+ dparasm1[0] = (fNcellSM+0.25)*hexd1[6] ;
+ dparasm1[1] = dparasm1[0] *fgkSqroot3by2;
+ dparasm1[2] = fSMthick/2.;
- // DPPB SPB PB : PB Converter and its SIZE
- // DPFE SFE FE : FE Support Plate and its SIZE
+ //
+ TVirtualMC::GetMC()->Gsvolu("ESMA","PARA", idtmed[607], dparasm1, 6);
+ gGeoManager->SetVolumeAttribute("ESMA", "SEEN", 0);
+ //
+ TVirtualMC::GetMC()->Gsvolu("ESMB","PARA", idtmed[607], dparasm1, 6);
+ gGeoManager->SetVolumeAttribute("ESMB", "SEEN", 0);
- // DW11 SPSW3 G10 : PRESHOWER
- // DV11 SCPV3 G10 : CPV
- // ****************** VOLUME TREE ******************
+ // Air residing between the PCB and the base
- // DM11 (Module)
- // |
- // |
- // -------------------------------------------------
- // | | | |
- // | | | |
- // DV11( CPV) DPFE DPPB DW11(Preshower)
- // ************************************************************
+ Float_t dparaair[6] = {12.5,12.5,8.,30.,0.,0.};
+ dparaair[0]= dparasm1[0];
+ dparaair[1]= dparasm1[1];
+ dparaair[2]= fgkThAir/2.;
+ TVirtualMC::GetMC()->Gsvolu("EAIR","PARA", idtmed[698], dparaair, 6);
+ gGeoManager->SetVolumeAttribute("EAIR", "SEEN", 0);
+ // volume for honeycomb chamber EHC1
- Int_t *idtmed = fIdtmed->GetArray()-599;
+ Float_t dpara1[6] = {12.5,12.5,0.4,30.,0.,0.};
+ dpara1[0] = dparasm1[0];
+ dpara1[1] = dparasm1[1];
+ dpara1[2] = fgkCellDepth/2.;
+
+ TVirtualMC::GetMC()->Gsvolu("EHC1","PARA", idtmed[698], dpara1, 6);
+ gGeoManager->SetVolumeAttribute("EHC1", "SEEN", 1);
- thgas = fPar[2];
- thmin = fIn[0];
- thmax = fIn[1];
- zdist1 = fIn[2];
- zdist = TMath::Abs(zdist1);
- thlow = fIn[3];
- thhigh = fIn[4];
- edge = fGeo[1];
- numqu = Int_t(fGeo[2]);
-
- pad1 = fPadSize[0];
- pad2 = fPadSize[1];
- pad3 = fPadSize[2];
- pad4 = fPadSize[3];
- npad2 = Int_t(24/fPadSize[1]);
-
- spsw2[0] = (npad2 * pad2)/2 + edge;
- spsw2[1] = spsw2[0];
- spsw2[2] = (thgas + .4) / 2;
- scpv2[0] = spsw2[0];
- scpv2[1] = spsw2[1];
- scpv2[2] = spsw2[2];
-// The modules (DW11 and DV11 are filed with gas, G10 plate is ignored)
- gMC->Gsvolu("DW11","BOX ", idtmed[604], spsw2, 3);
- gMC->Gsatt("DW11", "SEEN", 1);
- gMC->Gsvolu("DV11","BOX ", idtmed[604], spsw2, 3);
- gMC->Gsatt("DV11", "SEEN", 1);
-
- // --- DEFINE MODULES, IRON, TUNGSTEN AND LEAD VOLUMES
-
-
- spb[0] = spsw1[0];
- spb[1] = spsw1[1];
- spb[2] = .75;
- gMC->Gsvolu("DPPB","BOX ", idtmed[600], spb, 3);
- gMC->Gsatt("DPPB", "SEEN", 1);
-
- sw[0] = spsw1[0];
- sw[1] = spsw1[1];
- sw[2] = 0.9/2.;
- gMC->Gsvolu("DPW ","BOX ", idtmed[600], sw, 3);
- gMC->Gsatt("DPW ", "SEEN", 1);
-
- sfe[0] = spsw1[0];
- sfe[1] = spsw1[1];
- sfe[2] = 0.6/2.;
- gMC->Gsvolu("DPFE","BOX ", idtmed[605], sfe, 3);
- gMC->Gsatt("DPFE", "SEEN", 1);
-
- smod2[0] = spsw2[0];
- smod2[1] = smod2[0];
- smod2[2] = spsw2[2] + sfe[2] + spb[2] + scpv2[2];
- gMC->Gsvolu("DM11", "BOX ", idtmed[698], smod2, 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 = -(spsw2[2] + sfe[2] + spb[2] + spsw2[2]) + spsw2[2];
- gMC->Gspos("DV11", 1, "DM11", xc, yc, zc, 0, "ONLY");
- // --- Then iron support plate
- zc = zc + sfe[2] + spsw2[2];
- gMC->Gspos("DPFE", 1, "DM11", xc, yc, zc, 0, "ONLY");
- // --- Then lead converter plate
- zc = zc + sfe[2] + spb[2];
- gMC->Gspos("DPPB", 1, "DM11", xc, yc, zc, 0, "ONLY");
- // --- Lastly the preshower box
- zc = zc + spb[2] + spsw2[2];
- gMC->Gspos("DW11", 1, "DM11", xc, yc, zc, 0, "ONLY");
+ // Place hexagonal cells ECCU cells inside EHC1 (72 X 72)
+
+ Int_t xrow = 1;
+
+ yb = -dpara1[1] + (1./fgkSqroot3by2)*hexd1[6];
+ zb = 0.;
+
+ for (j = 1; j <= fNcellSM; ++j) {
+ xb =-(dpara1[0] + dpara1[1]*0.577) + 2*hexd1[6]; //0.577=tan(30deg)
+ if(xrow >= 2){
+ xb = xb+(xrow-1)*hexd1[6];
+ }
+ for (i = 1; i <= fNcellSM; ++i) {
+ number = i+(j-1)*fNcellSM;
+ TVirtualMC::GetMC()->Gspos("ECCU", number, "EHC1", xb,yb,zb, ihrotm, "ONLY");
+ xb += (hexd1[6]*2.);
+ }
+ xrow = xrow+1;
+ yb += (hexd1[6]*fgkSqroot3);
+ }
+
+
+ // Place EHC1 and EAIR into ESMA and ESMB
+
+ Float_t zAir1,zAir2,zGas;
+
+ //ESMA is normal supermodule with base at bottom, with EHC1
+ zAir1= -dparasm1[2] + fgkThBase + dparaair[2];
+ TVirtualMC::GetMC()->Gspos("EAIR", 1, "ESMA", 0., 0., zAir1, 0, "ONLY");
+ zGas=zAir1+dparaair[2]+ fgkThPCB + dpara1[2];
+ //Line below Commented for version 0 of PMD routine
+ // TVirtualMC::GetMC()->Gspos("EHC1", 1, "ESMA", 0., 0., zGas, 0, "ONLY");
+ zAir2=zGas+dpara1[2]+ fgkThPCB + dparaair[2];
+ TVirtualMC::GetMC()->Gspos("EAIR", 2, "ESMA", 0., 0., zAir2, 0, "ONLY");
+
+ // ESMB is mirror image of ESMA, with base at top, with EHC1
+
+ zAir1= -dparasm1[2] + fgkThPCB + dparaair[2];
+ TVirtualMC::GetMC()->Gspos("EAIR", 3, "ESMB", 0., 0., zAir1, 0, "ONLY");
+ zGas=zAir1+dparaair[2]+ fgkThPCB + dpara1[2];
+ //Line below Commented for version 0 of PMD routine
+ // TVirtualMC::GetMC()->Gspos("EHC1", 2, "ESMB", 0., 0., zGas, 0, "ONLY");
+ zAir2=zGas+dpara1[2]+ fgkThPCB + dparaair[2];
+ TVirtualMC::GetMC()->Gspos("EAIR", 4, "ESMB", 0., 0., zAir2, 0, "ONLY");
+
+
+ // special supermodule EMM2(GEANT only) containing 6 unit modules
+ // volume for SUPERMODULE
+
+ Float_t dparasm2[6] = {12.5,12.5,0.8,30.,0.,0.};
+ dparasm2[0]=(fNcellSM+0.25)*hexd1[6] ;
+ dparasm2[1] = (fNcellSM - fgkNcellHole + 0.25) * fgkSqroot3by2 * hexd1[6];
+ dparasm2[2] = fSMthick/2.;
+
+ TVirtualMC::GetMC()->Gsvolu("ESMX","PARA", idtmed[607], dparasm2, 6);
+ gGeoManager->SetVolumeAttribute("ESMX", "SEEN", 0);
+ //
+ TVirtualMC::GetMC()->Gsvolu("ESMY","PARA", idtmed[607], dparasm2, 6);
+ gGeoManager->SetVolumeAttribute("ESMY", "SEEN", 0);
+
+ Float_t dpara2[6] = {12.5,12.5,0.4,30.,0.,0.};
+ dpara2[0] = dparasm2[0];
+ dpara2[1] = dparasm2[1];
+ dpara2[2] = fgkCellDepth/2.;
+
+ TVirtualMC::GetMC()->Gsvolu("EHC2","PARA", idtmed[698], dpara2, 6);
+ gGeoManager->SetVolumeAttribute("EHC2", "SEEN", 1);
+
+
+ // Air residing between the PCB and the base
+
+ Float_t dpara2Air[6] = {12.5,12.5,8.,30.,0.,0.};
+ dpara2Air[0]= dparasm2[0];
+ dpara2Air[1]= dparasm2[1];
+ dpara2Air[2]= fgkThAir/2.;
+
+ TVirtualMC::GetMC()->Gsvolu("EAIX","PARA", idtmed[698], dpara2Air, 6);
+ gGeoManager->SetVolumeAttribute("EAIX", "SEEN", 0);
+
+ // Place hexagonal single cells ECCU inside EHC2
+ // skip cells which go into the hole in top left corner.
+
+ xrow=1;
+ yb = -dpara2[1] + (1./fgkSqroot3by2)*hexd1[6];
+ zb = 0.;
+ for (j = 1; j <= (fNcellSM - fgkNcellHole); ++j) {
+ xb =-(dpara2[0] + dpara2[1]*0.577) + 2*hexd1[6];
+ if(xrow >= 2){
+ xb = xb+(xrow-1)*hexd1[6];
+ }
+ for (i = 1; i <= fNcellSM; ++i) {
+ number = i+(j-1)*fNcellSM;
+ TVirtualMC::GetMC()->Gspos("ECCU", number, "EHC2", xb,yb,zb, ihrotm, "ONLY");
+ xb += (hexd1[6]*2.);
+ }
+ xrow = xrow+1;
+ yb += (hexd1[6]*fgkSqroot3);
+ }
+
+
+ // ESMX is normal supermodule with base at bottom, with EHC2
+
+ zAir1= -dparasm2[2] + fgkThBase + dpara2Air[2];
+ TVirtualMC::GetMC()->Gspos("EAIX", 1, "ESMX", 0., 0., zAir1, 0, "ONLY");
+ zGas=zAir1+dpara2Air[2]+ fgkThPCB + dpara2[2];
+ //Line below Commented for version 0 of PMD routine
+ // TVirtualMC::GetMC()->Gspos("EHC2", 1, "ESMX", 0., 0., zGas, 0, "ONLY");
+ zAir2=zGas+dpara2[2]+ fgkThPCB + dpara2Air[2];
+ TVirtualMC::GetMC()->Gspos("EAIX", 2, "ESMX", 0., 0., zAir2, 0, "ONLY");
+
+ // ESMY is mirror image of ESMX with base at bottom, with EHC2
+
+ zAir1= -dparasm2[2] + fgkThPCB + dpara2Air[2];
+ TVirtualMC::GetMC()->Gspos("EAIX", 3, "ESMY", 0., 0., zAir1, 0, "ONLY");
+ zGas=zAir1+dpara2Air[2]+ fgkThPCB + dpara2[2];
+ //Line below Commented for version 0 of PMD routine
+ // TVirtualMC::GetMC()->Gspos("EHC2", 2, "ESMY", 0., 0., zGas, 0, "ONLY");
+ zAir2=zGas+dpara2[2]+ fgkThPCB + dpara2Air[2];
+ TVirtualMC::GetMC()->Gspos("EAIX", 4, "ESMY", 0., 0., zAir2, 0, "ONLY");
+
+ //
+ // special supermodule EMM3 (GEANT only) containing 2 unit modules
+ // volume for SUPERMODULE
+ //
+ Float_t dparaSM3[6] = {12.5,12.5,0.8,30.,0.,0.};
+ dparaSM3[0]=(fNcellSM - fgkNcellHole +0.25)*hexd1[6] ;
+ dparaSM3[1] = (fgkNcellHole + 0.25) * hexd1[6] * fgkSqroot3by2;
+ dparaSM3[2] = fSMthick/2.;
+
+ TVirtualMC::GetMC()->Gsvolu("ESMP","PARA", idtmed[607], dparaSM3, 6);
+ gGeoManager->SetVolumeAttribute("ESMP", "SEEN", 0);
+ //
+ TVirtualMC::GetMC()->Gsvolu("ESMQ","PARA", idtmed[607], dparaSM3, 6);
+ gGeoManager->SetVolumeAttribute("ESMQ", "SEEN", 0);
+
+ Float_t dpara3[6] = {12.5,12.5,0.4,30.,0.,0.};
+ dpara3[0] = dparaSM3[0];
+ dpara3[1] = dparaSM3[1];
+ dpara3[2] = fgkCellDepth/2.;
+
+ TVirtualMC::GetMC()->Gsvolu("EHC3","PARA", idtmed[698], dpara3, 6);
+ gGeoManager->SetVolumeAttribute("EHC3", "SEEN", 1);
+
+ // Air residing between the PCB and the base
+
+ Float_t dpara3Air[6] = {12.5,12.5,8.,30.,0.,0.};
+ dpara3Air[0]= dparaSM3[0];
+ dpara3Air[1]= dparaSM3[1];
+ dpara3Air[2]= fgkThAir/2.;
+
+ TVirtualMC::GetMC()->Gsvolu("EAIP","PARA", idtmed[698], dpara3Air, 6);
+ gGeoManager->SetVolumeAttribute("EAIP", "SEEN", 0);
+
+
+ // Place hexagonal single cells ECCU inside EHC3
+ // skip cells which go into the hole in top left corner.
+
+ xrow=1;
+ yb = -dpara3[1] + (1./fgkSqroot3by2)*hexd1[6];
+ zb = 0.;
+ for (j = 1; j <= fgkNcellHole; ++j) {
+ xb =-(dpara3[0] + dpara3[1]*0.577) + 2*hexd1[6];
+ if(xrow >= 2){
+ xb = xb+(xrow-1)*hexd1[6];
+ }
+ for (i = 1; i <= (fNcellSM - fgkNcellHole); ++i) {
+ number = i+(j-1)*(fNcellSM - fgkNcellHole);
+ TVirtualMC::GetMC()->Gspos("ECCU", number, "EHC3", xb,yb,zb, ihrotm, "ONLY");
+ xb += (hexd1[6]*2.);
+ }
+ xrow = xrow+1;
+ yb += (hexd1[6]*fgkSqroot3);
+ }
+
+ // ESMP is normal supermodule with base at bottom, with EHC3
+
+ zAir1= -dparaSM3[2] + fgkThBase + dpara3Air[2];
+ TVirtualMC::GetMC()->Gspos("EAIP", 1, "ESMP", 0., 0., zAir1, 0, "ONLY");
+ zGas=zAir1+dpara3Air[2]+ fgkThPCB + dpara3[2];
+ //Line below Commented for version 0 of PMD routine
+ // TVirtualMC::GetMC()->Gspos("EHC3", 1, "ESMP", 0., 0., zGas, 0, "ONLY");
+ zAir2=zGas+dpara3[2]+ fgkThPCB + dpara3Air[2];
+ TVirtualMC::GetMC()->Gspos("EAIP", 2, "ESMP", 0., 0., zAir2, 0, "ONLY");
+
+ // ESMQ is mirror image of ESMP with base at bottom, with EHC3
+
+ zAir1= -dparaSM3[2] + fgkThPCB + dpara3Air[2];
+ TVirtualMC::GetMC()->Gspos("EAIP", 3, "ESMQ", 0., 0., zAir1, 0, "ONLY");
+ zGas=zAir1+dpara3Air[2]+ fgkThPCB + dpara3[2];
+ //Line below Commented for version 0 of PMD routine
+ // TVirtualMC::GetMC()->Gspos("EHC3", 2, "ESMQ", 0., 0., zGas, 0, "ONLY");
+ zAir2=zGas+dpara3[2]+ fgkThPCB + dpara3Air[2];
+ TVirtualMC::GetMC()->Gspos("EAIP", 4, "ESMQ", 0., 0., zAir2, 0, "ONLY");
}
-
+
//_____________________________________________________________________________
-void AliPMDv0::DrawModule()
+
+void AliPMDv0::CreatePMD()
{
//
- // Draw a shaded view of the Photon Multiplicity Detector
+ // Create final detector from supermodules
//
+ // -- Author : Y.P. VIYOGI, 07/05/1996.
+ // -- Modified: P.V.K.S.Baba(JU), 15-12-97.
+ // -- Modified: For New Geometry YPV, March 2001.
+
+ Float_t xp, yp, zp;
+ Int_t i,j;
+ Int_t nummod;
+ Int_t jhrot12,jhrot13, irotdm;
+ Int_t *idtmed = fIdtmed->GetArray()-599;
+
+ // VOLUMES Names : begining with "E" for all PMD volumes,
+ // The names of SIZE variables begin with S and have more meaningful
+ // characters as shown below.
+ // VOLUME SIZE MEDIUM : REMARKS
+ // ------ ----- ------ : ---------------------------
+ // EPMD GASPMD AIR : INSIDE PMD and its SIZE
+ // *** Define the EPMD Volume and fill with air ***
+ // Gaspmd, the dimension of HEXAGONAL mother volume of PMD,
+
+
+ Float_t gaspmd[10] = {0.,360.,6,2,-4.,12.,150.,4.,12.,150.};
+
+ gaspmd[5] = fgkNcellHole * fgkCellRadius * 2. * fgkSqroot3by2;
+ gaspmd[8] = gaspmd[5];
+
+ TVirtualMC::GetMC()->Gsvolu("EPMD", "PGON", idtmed[698], gaspmd, 10);
+ gGeoManager->SetVolumeAttribute("EPMD", "SEEN", 0);
+
+ AliMatrix(irotdm, 90., 0., 90., 90., 180., 0.);
+
+ AliMatrix(jhrot12, 90., 120., 90., 210., 0., 0.);
+ AliMatrix(jhrot13, 90., 240., 90., 330., 0., 0.);
+
+
+ Float_t dmthick = 2. * fSMthick + fgkThLead + fgkThSteel;
+
+ // dparaemm1 array contains parameters of the imaginary volume EMM1,
+ // EMM1 is a master module of type 1, which has 24 copies in the PMD.
+ // EMM1 : normal volume as in old cases
+
+
+ Float_t dparaemm1[6] = {12.5,12.5,0.8,30.,0.,0.};
+ dparaemm1[0] = fSMLength/2.;
+ dparaemm1[1] = dparaemm1[0] *fgkSqroot3by2;
+ dparaemm1[2] = dmthick/2.;
+
+ TVirtualMC::GetMC()->Gsvolu("EMM1","PARA", idtmed[698], dparaemm1, 6);
+ gGeoManager->SetVolumeAttribute("EMM1", "SEEN", 1);
- gMC->Gsatt("*", "seen", -1);
- gMC->Gsatt("alic", "seen", 0);
//
- // Set the visibility of the components
+ // --- DEFINE Modules, iron, and lead volumes
+ // Pb Convertor for EMM1
+
+ Float_t dparapb1[6] = {12.5,12.5,8.,30.,0.,0.};
+ dparapb1[0] = fSMLength/2.;
+ dparapb1[1] = dparapb1[0] * fgkSqroot3by2;
+ dparapb1[2] = fgkThLead/2.;
+
+ TVirtualMC::GetMC()->Gsvolu("EPB1","PARA", idtmed[600], dparapb1, 6);
+ gGeoManager->SetVolumeAttribute ("EPB1", "SEEN", 0);
+
+ // Fe Support for EMM1
+ Float_t dparafe1[6] = {12.5,12.5,8.,30.,0.,0.};
+ dparafe1[0] = dparapb1[0];
+ dparafe1[1] = dparapb1[1];
+ dparafe1[2] = fgkThSteel/2.;
+
+ TVirtualMC::GetMC()->Gsvolu("EFE1","PARA", idtmed[618], dparafe1, 6);
+ gGeoManager->SetVolumeAttribute ("EFE1", "SEEN", 0);
+
+ //
+ // position supermodule ESMA, ESMB, EPB1, EFE1 inside EMM1
+
+ Float_t zps,zpb,zfe,zcv;
+
+ zps = -dparaemm1[2] + fSMthick/2.;
+ TVirtualMC::GetMC()->Gspos("ESMB", 1, "EMM1", 0., 0., zps, 0, "ONLY");
+ zpb = zps+fSMthick/2.+dparapb1[2];
+ TVirtualMC::GetMC()->Gspos("EPB1", 1, "EMM1", 0., 0., zpb, 0, "ONLY");
+ zfe = zpb+dparapb1[2]+dparafe1[2];
+ TVirtualMC::GetMC()->Gspos("EFE1", 1, "EMM1", 0., 0., zfe, 0, "ONLY");
+ zcv = zfe+dparafe1[2]+fSMthick/2.;
+ TVirtualMC::GetMC()->Gspos("ESMA", 1, "EMM1", 0., 0., zcv, 0, "ONLY");
+
+ // EMM2 : special master module having full row of cells but the number
+ // of rows limited by hole.
+
+ Float_t dparaemm2[6] = {12.5,12.5,0.8,30.,0.,0.};
+ dparaemm2[0] = fSMLength/2.;
+ dparaemm2[1] = (fNcellSM - fgkNcellHole + 0.25)*fgkCellRadius*fgkSqroot3by2;
+ dparaemm2[2] = dmthick/2.;
+
+ TVirtualMC::GetMC()->Gsvolu("EMM2","PARA", idtmed[698], dparaemm2, 6);
+ gGeoManager->SetVolumeAttribute("EMM2", "SEEN", 1);
+
+ // Pb Convertor for EMM2
+ Float_t dparapb2[6] = {12.5,12.5,8.,30.,0.,0.};
+ dparapb2[0] = dparaemm2[0];
+ dparapb2[1] = dparaemm2[1];
+ dparapb2[2] = fgkThLead/2.;
+
+ TVirtualMC::GetMC()->Gsvolu("EPB2","PARA", idtmed[600], dparapb2, 6);
+ gGeoManager->SetVolumeAttribute ("EPB2", "SEEN", 0);
+
+ // Fe Support for EMM2
+ Float_t dparafe2[6] = {12.5,12.5,8.,30.,0.,0.};
+ dparafe2[0] = dparapb2[0];
+ dparafe2[1] = dparapb2[1];
+ dparafe2[2] = fgkThSteel/2.;
+
+ TVirtualMC::GetMC()->Gsvolu("EFE2","PARA", idtmed[618], dparafe2, 6);
+ gGeoManager->SetVolumeAttribute ("EFE2", "SEEN", 0);
+
+ // position supermodule ESMX, ESMY inside EMM2
+
+ zps = -dparaemm2[2] + fSMthick/2.;
+ TVirtualMC::GetMC()->Gspos("ESMY", 1, "EMM2", 0., 0., zps, 0, "ONLY");
+ zpb = zps + fSMthick/2.+dparapb2[2];
+ TVirtualMC::GetMC()->Gspos("EPB2", 1, "EMM2", 0., 0., zpb, 0, "ONLY");
+ zfe = zpb + dparapb2[2]+dparafe2[2];
+ TVirtualMC::GetMC()->Gspos("EFE2", 1, "EMM2", 0., 0., zfe, 0, "ONLY");
+ zcv = zfe + dparafe2[2]+fSMthick/2.;
+ TVirtualMC::GetMC()->Gspos("ESMX", 1, "EMM2", 0., 0., zcv, 0, "ONLY");
//
- gMC->Gsatt("DW11","seen",0);
- gMC->Gsatt("DV11","seen",0);
- gMC->Gsatt("DPPB","seen",1);
- gMC->Gsatt("DPW ","seen",1);
- gMC->Gsatt("DPFE","seen",1);
- gMC->Gsatt("DM11","seen",1);
- gMC->Gsatt("DPMD","seen",0);
- gMC->Gsatt("DIQU","seen",0);
+ // EMM3 : special master module having truncated rows and columns of cells
+ // limited by hole.
+
+ Float_t dparaemm3[6] = {12.5,12.5,0.8,30.,0.,0.};
+ dparaemm3[0] = dparaemm2[1]/fgkSqroot3by2;
+ dparaemm3[1] = (fgkNcellHole + 0.25) * fgkCellRadius *fgkSqroot3by2;
+ dparaemm3[2] = dmthick/2.;
+
+ TVirtualMC::GetMC()->Gsvolu("EMM3","PARA", idtmed[698], dparaemm3, 6);
+ gGeoManager->SetVolumeAttribute("EMM3", "SEEN", 1);
+
+ // Pb Convertor for EMM3
+ Float_t dparapb3[6] = {12.5,12.5,8.,30.,0.,0.};
+ dparapb3[0] = dparaemm3[0];
+ dparapb3[1] = dparaemm3[1];
+ dparapb3[2] = fgkThLead/2.;
+
+ TVirtualMC::GetMC()->Gsvolu("EPB3","PARA", idtmed[600], dparapb3, 6);
+ gGeoManager->SetVolumeAttribute ("EPB3", "SEEN", 0);
+
+ // Fe Support for EMM3
+ Float_t dparafe3[6] = {12.5,12.5,8.,30.,0.,0.};
+ dparafe3[0] = dparapb3[0];
+ dparafe3[1] = dparapb3[1];
+ dparafe3[2] = fgkThSteel/2.;
+
+ TVirtualMC::GetMC()->Gsvolu("EFE3","PARA", idtmed[618], dparafe3, 6);
+ gGeoManager->SetVolumeAttribute ("EFE3", "SEEN", 0);
+
+ // position supermodule ESMP, ESMQ inside EMM3
+
+ zps = -dparaemm3[2] + fSMthick/2.;
+ TVirtualMC::GetMC()->Gspos("ESMQ", 1, "EMM3", 0., 0., zps, 0, "ONLY");
+ zpb = zps + fSMthick/2.+dparapb3[2];
+ TVirtualMC::GetMC()->Gspos("EPB3", 1, "EMM3", 0., 0., zpb, 0, "ONLY");
+ zfe = zpb + dparapb3[2]+dparafe3[2];
+ TVirtualMC::GetMC()->Gspos("EFE3", 1, "EMM3", 0., 0., zfe, 0, "ONLY");
+ zcv = zfe + dparafe3[2] + fSMthick/2.;
+ TVirtualMC::GetMC()->Gspos("ESMP", 1, "EMM3", 0., 0., zcv, 0, "ONLY");
+ //
+
+ // EHOL is a tube structure made of air
//
- gMC->Gdopt("hide", "on");
- gMC->Gdopt("shad", "on");
- gMC->Gsatt("*", "fill", 7);
- gMC->SetClipBox(".");
- gMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000);
- gMC->DefaultRange();
- gMC->Gdraw("alic", 40, 30, 0, 22, 15.5, .04, .04);
- gMC->Gdhead(1111, "Photon Multiplicity Detector Version 1");
- gMC->Gdman(17, 5, "MAN");
- gMC->Gdopt("hide", "off");
+ //Float_t d_hole[3];
+ //d_hole[0] = 0.;
+ //d_hole[1] = fgkNcellHole * fgkCellRadius *2. * fgkSqroot3by2 + boundary;
+ //d_hole[2] = dmthick/2.;
+ //
+ //TVirtualMC::GetMC()->Gsvolu("EHOL", "TUBE", idtmed[698], d_hole, 3);
+ //gGeoManager->SetVolumeAttribute("EHOL", "SEEN", 1);
+
+ //Al-rod as boundary of the supermodules
+
+ Float_t alRod[3] ;
+ alRod[0] = fSMLength * 3/2. - gaspmd[5]/2 - fgkBoundary ;
+ alRod[1] = fgkBoundary;
+ alRod[2] = dmthick/2.;
+
+ TVirtualMC::GetMC()->Gsvolu("EALM","BOX ", idtmed[698], alRod, 3);
+ gGeoManager->SetVolumeAttribute ("EALM", "SEEN", 1);
+ Float_t xalm[3];
+ xalm[0]=alRod[0] + gaspmd[5] + 3.0*fgkBoundary;
+ xalm[1]=-xalm[0]/2.;
+ xalm[2]=xalm[1];
+
+ Float_t yalm[3];
+ yalm[0]=0.;
+ yalm[1]=xalm[0]*fgkSqroot3by2;
+ yalm[2]=-yalm[1];
+
+ // delx = full side of the supermodule
+ Float_t delx=fSMLength * 3.;
+ Float_t x1= delx*fgkSqroot3by2 /2.;
+ Float_t x4=delx/4.;
+
+ // placing master modules and Al-rod in PMD
+
+ Float_t dx = fSMLength;
+ Float_t dy = dx * fgkSqroot3by2;
+ Float_t xsup[9] = {static_cast<Float_t>(-dx/2.), static_cast<Float_t>(dx/2.), static_cast<Float_t>(3.*dx/2.),
+ -dx, 0., dx,
+ static_cast<Float_t>(-3.*dx/2.), static_cast<Float_t>(-dx/2.), static_cast<Float_t>(dx/2.)};
+
+ Float_t ysup[9] = {dy, dy, dy,
+ 0., 0., 0.,
+ -dy, -dy, -dy};
+
+ // xpos and ypos are the x & y coordinates of the centres of EMM1 volumes
+
+ Float_t xoff = fgkBoundary * TMath::Tan(fgkPi/6.);
+ Float_t xmod[3]={x4 + xoff , x4 + xoff, static_cast<Float_t>(-2.*x4-fgkBoundary/fgkSqroot3by2)};
+ Float_t ymod[3] = {-x1 - fgkBoundary, x1 + fgkBoundary, 0.};
+ Float_t xpos[9], ypos[9], x2, y2, x3, y3;
+
+ Float_t xemm2 = fSMLength/2. -
+ (fNcellSM + fgkNcellHole + 0.25) * fgkCellRadius * 0.5
+ + xoff;
+ Float_t yemm2 = -(fNcellSM + fgkNcellHole + 0.25)*fgkCellRadius*fgkSqroot3by2
+ - fgkBoundary;
+
+ Float_t xemm3 = (fNcellSM + 0.5 * fgkNcellHole + 0.25) * fgkCellRadius +
+ xoff;
+ Float_t yemm3 = - (fgkNcellHole - 0.25) * fgkCellRadius * fgkSqroot3by2 -
+ fgkBoundary;
+
+ Float_t theta[3] = {0., static_cast<Float_t>(2.*fgkPi/3.), static_cast<Float_t>(4.*fgkPi/3.)};
+ Int_t irotate[3] = {0, jhrot12, jhrot13};
+
+ nummod=0;
+ for (j=0; j<3; ++j) {
+ TVirtualMC::GetMC()->Gspos("EALM", j+1, "EPMD", xalm[j],yalm[j], 0., irotate[j], "ONLY");
+ x2=xemm2*TMath::Cos(theta[j]) - yemm2*TMath::Sin(theta[j]);
+ y2=xemm2*TMath::Sin(theta[j]) + yemm2*TMath::Cos(theta[j]);
+
+ TVirtualMC::GetMC()->Gspos("EMM2", j+1, "EPMD", x2,y2, 0., irotate[j], "ONLY");
+
+ x3=xemm3*TMath::Cos(theta[j]) - yemm3*TMath::Sin(theta[j]);
+ y3=xemm3*TMath::Sin(theta[j]) + yemm3*TMath::Cos(theta[j]);
+
+ TVirtualMC::GetMC()->Gspos("EMM3", j+4, "EPMD", x3,y3, 0., irotate[j], "ONLY");
+
+ for (i=1; i<9; ++i) {
+ xpos[i]=xmod[j] + xsup[i]*TMath::Cos(theta[j]) -
+ ysup[i]*TMath::Sin(theta[j]);
+ ypos[i]=ymod[j] + xsup[i]*TMath::Sin(theta[j]) +
+ ysup[i]*TMath::Cos(theta[j]);
+
+ AliDebugClass(1,Form("xpos: %f, ypos: %f", xpos[i], ypos[i]));
+
+ nummod = nummod+1;
+
+ AliDebugClass(1,Form("nummod %d",nummod));
+
+ TVirtualMC::GetMC()->Gspos("EMM1", nummod + 6, "EPMD", xpos[i],ypos[i], 0., irotate[j], "ONLY");
+
+ }
+ }
+
+
+ // place EHOL in the centre of EPMD
+ // TVirtualMC::GetMC()->Gspos("EHOL", 1, "EPMD", 0.,0.,0., 0, "ONLY");
+
+ // --- Place the EPMD in ALICE
+ xp = 0.;
+ yp = 0.;
+ zp = fgkZdist;
+
+ TVirtualMC::GetMC()->Gspos("EPMD", 1, "ALIC", xp,yp,zp, 0, "ONLY");
+
}
+
//_____________________________________________________________________________
void AliPMDv0::CreateMaterials()
{
//
- // Create materials for the PMD version 1
+ // Create materials for the PMD
//
// ORIGIN : Y. P. VIYOGI
//
- // --- 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 = fIdtmed->GetArray()-599;
- Int_t isxfld = gAlice->Field()->Integ();
- Float_t sxmgmx = gAlice->Field()->Max();
+ // cout << " Inside create materials " << endl;
+
+ Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
+ Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->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 $", ac, zc, dc, -2, wc);
+
+ // Argon
+
+ Float_t dAr = 0.001782; // --- Ar density in g/cm3 ---
+ Float_t x0Ar = 19.55 / dAr;
+ AliMaterial(2, "Argon$", 39.95, 18., dAr, x0Ar, 6.5e4);
+
+ // --- CO2 ---
+
+ Float_t aCO2[2] = { 12.,16. };
+ Float_t zCO2[2] = { 6.,8. };
+ Float_t wCO2[2] = { 1.,2. };
+ Float_t dCO2 = 0.001977;
+ AliMixture(3, "CO2 $", aCO2, zCO2, dCO2, -2, wCO2);
+
AliMaterial(4, "Al $", 26.98, 13., 2.7, 8.9, 18.5);
+
+ // ArCO2
+
+ Float_t aArCO2[3] = {39.948,12.0107,15.9994};
+ Float_t zArCO2[3] = {18.,6.,8.};
+ Float_t wArCO2[3] = {0.7,0.08,0.22};
+ Float_t dArCO2 = dAr * 0.7 + dCO2 * 0.3;
+ AliMixture(5, "ArCO2$", aArCO2, zArCO2, dArCO2, 3, wArCO2);
+
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 $", 14.61, 7.3, .0012, 30420., 67500.);
-
- // define gas-mixtures
+
+ // G10
- char namate[21];
- gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
- ag[1] = a;
- zg[1] = z;
- dg = (dar * 4 + dco) / 5;
- AliMixture(5, "ArCO2$", ag, zg, dg, 2, wg);
+ Float_t aG10[4]={1.,12.011,15.9994,28.086};
+ Float_t zG10[4]={1.,6.,8.,14.};
+ //PH Float_t wG10[4]={0.148648649,0.104054054,0.483499056,0.241666667};
+ Float_t wG10[4]={0.15201,0.10641,0.49444,0.24714};
+ AliMixture(8,"G10",aG10,zG10,1.7,4,wG10);
+ AliMaterial(15, "Cu $", 63.54, 29., 8.96, 1.43, 15.);
+
+ // Steel
+ Float_t aSteel[4] = { 55.847,51.9961,58.6934,28.0855 };
+ Float_t zSteel[4] = { 26.,24.,28.,14. };
+ Float_t wSteel[4] = { .715,.18,.1,.005 };
+ Float_t dSteel = 7.88;
+ AliMixture(19, "STAINLESS STEEL$", aSteel, zSteel, dSteel, 4, wSteel);
+
+ //Air
+
+ Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
+ Float_t zAir[4]={6.,7.,8.,18.};
+ Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
+ Float_t dAir1 = 1.20479E-10;
+ Float_t dAir = 1.20479E-3;
+ AliMixture(98, "Vacum$", aAir, zAir, dAir1, 4, wAir);
+ AliMixture(99, "Air $", aAir, zAir, dAir , 4, wAir);
+
// Define tracking media
- AliMedium(1, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
- AliMedium(7, "W conv.$", 7, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
- AliMedium(8, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
- AliMedium(4, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
- AliMedium(6, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
- AliMedium(5, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
- AliMedium(9, "SILICON $", 9, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
- AliMedium(10, "Be $", 10, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
- AliMedium(98, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .1, 10);
- AliMedium(99, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .1, .1);
- AliMedium(15, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
- AliMedium(16, "C $", 16, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
-
- // --- Generate explicitly delta rays in the iron, aluminium and lead ---
- gMC->Gstpar(idtmed[600], "LOSS", 3.);
- gMC->Gstpar(idtmed[600], "DRAY", 1.);
-
- gMC->Gstpar(idtmed[603], "LOSS", 3.);
- gMC->Gstpar(idtmed[603], "DRAY", 1.);
-
- gMC->Gstpar(idtmed[604], "LOSS", 3.);
- gMC->Gstpar(idtmed[604], "DRAY", 1.);
-
- gMC->Gstpar(idtmed[605], "LOSS", 3.);
- gMC->Gstpar(idtmed[605], "DRAY", 1.);
-
- gMC->Gstpar(idtmed[606], "LOSS", 3.);
- gMC->Gstpar(idtmed[606], "DRAY", 1.);
-
- gMC->Gstpar(idtmed[607], "LOSS", 3.);
- gMC->Gstpar(idtmed[607], "DRAY", 1.);
-
- // --- Energy cut-offs in the Pb and Al to gain time in tracking ---
- // --- without affecting the hit patterns ---
- gMC->Gstpar(idtmed[600], "CUTGAM", 1e-4);
- gMC->Gstpar(idtmed[600], "CUTELE", 1e-4);
- gMC->Gstpar(idtmed[600], "CUTNEU", 1e-4);
- gMC->Gstpar(idtmed[600], "CUTHAD", 1e-4);
- gMC->Gstpar(idtmed[605], "CUTGAM", 1e-4);
- gMC->Gstpar(idtmed[605], "CUTELE", 1e-4);
- gMC->Gstpar(idtmed[605], "CUTNEU", 1e-4);
- gMC->Gstpar(idtmed[605], "CUTHAD", 1e-4);
- gMC->Gstpar(idtmed[606], "CUTGAM", 1e-4);
- gMC->Gstpar(idtmed[606], "CUTELE", 1e-4);
- gMC->Gstpar(idtmed[606], "CUTNEU", 1e-4);
- gMC->Gstpar(idtmed[606], "CUTHAD", 1e-4);
- gMC->Gstpar(idtmed[603], "CUTGAM", 1e-4);
- gMC->Gstpar(idtmed[603], "CUTELE", 1e-4);
- gMC->Gstpar(idtmed[603], "CUTNEU", 1e-4);
- gMC->Gstpar(idtmed[603], "CUTHAD", 1e-4);
- gMC->Gstpar(idtmed[609], "CUTGAM", 1e-4);
- gMC->Gstpar(idtmed[609], "CUTELE", 1e-4);
- gMC->Gstpar(idtmed[609], "CUTNEU", 1e-4);
- gMC->Gstpar(idtmed[609], "CUTHAD", 1e-4);
-
- // --- Prevent particles stopping in the gas due to energy cut-off ---
- gMC->Gstpar(idtmed[604], "CUTGAM", 1e-5);
- gMC->Gstpar(idtmed[604], "CUTELE", 1e-5);
- gMC->Gstpar(idtmed[604], "CUTNEU", 1e-5);
- gMC->Gstpar(idtmed[604], "CUTHAD", 1e-5);
- gMC->Gstpar(idtmed[604], "CUTMUO", 1e-5);
+ AliMedium(1, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
+ AliMedium(4, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
+ AliMedium(5, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .10, .1);
+ AliMedium(6, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
+ AliMedium(8, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
+ AliMedium(15, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
+ AliMedium(19, "S steel$", 19, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
+ AliMedium(98, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .10, 10);
+ AliMedium(99, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .10, .1);
+
}
//_____________________________________________________________________________
// 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");
+ // kdet=1;
//
+ if(AliLog::GetGlobalDebugLevel()>0) {
+ printf("\n%s: ",ClassName());
+ for(i=0;i<35;i++) printf("*");
+ printf(" PMD_INIT ");
+ for(i=0;i<35;i++) printf("*");
+ printf("\n%s: ",ClassName());
+ printf(" PMD simulation package (v0) initialised\n");
+ printf("%s: parameters of pmd\n", ClassName());
+ printf("%s: %10.2f %10.2f %10.2f \
+ %10.2f\n",ClassName(),fgkCellRadius,fgkCellWall,fgkCellDepth,fgkZdist );
+ printf("%s: ",ClassName());
+ for(i=0;i<80;i++) printf("*");
+ printf("\n");
+ }
Int_t *idtmed = fIdtmed->GetArray()-599;
fMedSens=idtmed[605-1];
+ // --- Generate explicitly delta rays in the iron, aluminium and lead ---
+ // removed all Gstpar and energy cut-offs moved to galice.cuts
}
//_____________________________________________________________________________
// Called at each step in the PMD
//
Int_t copy;
- Float_t hits[4], destep;
+ Float_t hits[5], destep;
Float_t center[3] = {0,0,0};
- Int_t vol[5];
- const char* namep;
-
- if(gMC->GetMedium() == fMedSens && (destep = gMC->Edep())) {
-
- gMC->CurrentVolID(copy);
- vol[0]=copy;
- gMC->CurrentVolOffID(1,copy);
- vol[1]=copy;
- gMC->CurrentVolOffID(2,copy);
- namep=gMC->CurrentVolOffName(2);
- vol[2]=copy;
- if(strncmp(namep,"DW11",4))vol[2]=1;
- if(strncmp(namep,"DV11",4))vol[2]=2;
- gMC->CurrentVolOffID(3,copy);
- vol[3]=copy;
- gMC->CurrentVolOffID(4,copy);
- vol[4]=copy;
- gMC->Gdtom(center,hits,1);
+ Int_t vol[6];
+ //char *namep;
+
+ if(TVirtualMC::GetMC()->CurrentMedium() == fMedSens && (destep = TVirtualMC::GetMC()->Edep())) {
+
+ TVirtualMC::GetMC()->CurrentVolID(copy);
+ vol[0] = copy;
+ TVirtualMC::GetMC()->CurrentVolOffID(1,copy);
+ vol[1] = copy;
+ TVirtualMC::GetMC()->CurrentVolOffID(2,copy);
+ vol[2] = copy;
+ TVirtualMC::GetMC()->CurrentVolOffID(3,copy);
+ vol[3] = copy;
+ TVirtualMC::GetMC()->CurrentVolOffID(4,copy);
+ vol[4] = copy;
+ TVirtualMC::GetMC()->CurrentVolOffID(5,copy);
+ vol[5] = copy;
+
+ TVirtualMC::GetMC()->Gdtom(center,hits,1);
hits[3] = destep*1e9; //Number in eV
- AddHit(gAlice->CurrentTrack(), vol, hits);
+
+ // this is for pile-up events
+ hits[4] = TVirtualMC::GetMC()->TrackTime();
+
+ AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
}
}
+
+
+//------------------------------------------------------------------------
+// Get parameters
+
+void AliPMDv0::GetParameters()
+{
+ // This gives all the parameters of the detector
+ // such as Length of Supermodules
+ // thickness of the Supermodule
+ //
+ Int_t ncellum, numum;
+ ncellum = 24;
+ numum = 3;
+ fNcellSM = ncellum * numum; //no. of cells in a row in one supermodule
+ fSMLength = (fNcellSM + 0.25 )*fgkCellRadius*2.;
+ fSMthick = fgkThBase + fgkThAir + fgkThPCB + fgkCellDepth +
+ fgkThPCB + fgkThAir + fgkThPCB;
+}