/**************************************************************************
* 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. *
**************************************************************************/
/////////////////////////////////////////////////////////////////////
// //
// Forward Multiplicity detector based on Silicon version 0 //
//
//Begin Html
/*
*/
//End Html
// //
// //
//////////////////////////////////////////////////////////////////////
#include
#include
#include
#include
#include
#include "AliFMDv0.h"
#include "AliRun.h"
#include "AliMC.h"
#include
#include
#include "AliRndm.h"
#include "AliMagF.h"
#include "AliFMDhit.h"
#include
//class TGeant3;
ClassImp(AliFMDv0)
//--------------------------------------------------------------------
AliFMDv0::AliFMDv0(const char *name, const char *title):
AliFMD(name,title)
{
//
// Standart constructor for Forward Multiplicity Detector version 0
//
fIdSens1=0;
fIdSens2=0;
fIdSens3=0;
fIdSens4=0;
fIdSens5=0;
// setBufferSize(128000);
}
//-------------------------------------------------------------------------
void AliFMDv0::CreateGeometry()
{
//
// Create the geometry of Forward Multiplicity Detector version 0
//Detector consists of 5 volumes:
// 1st covered pseudorapidity interval from 3.58 to 2.03
// and placed on 62.8cm in Z-direction;
// 2nd - from 1.94 to 1.51 and Z=75.2 cm;
// 3d - the same pseudorapidity interval as the 1st
// but on the other side from the interaction point z=-62.8cm;
// 4th - simmetricaly with the 2nd :
// pseudorapidity from 1.94 to 1.51, Z=-75.2cm
// 5th - from 3.71 to 5.28, Z=-345cm
// Each part has 300mkm Si (sensetive area, detector itself),
// 0.75cm of plastic simulated electronics material,
// Al support ring 2cm thickness and 1cm width placed on
// the outer radius of each Si disk;
//
// begin Html
/*
*/
//
Int_t *idtmed = fIdtmed->GetArray();
Int_t ifmd;
Int_t idrotm[999];
Float_t zfmd,par[3];
char name[5], nameSi[5], nameSector[5], nameRing[5];
Float_t rin[6], rout[6],zpos;
Float_t etain[5]= {3.58, 1.94, 3.58, 1.94, 5.28};
Float_t etaout[6]={2.03, 1.51, 2.03, 1.51, 3.71};
// Float_t z[6]={64., 85., -64., -85., -270., -630};
Float_t z[6]={62.8, 75.2, -62.8, -75.2, -345.};
Float_t zDet=0.03;
Float_t zElectronic=0.1;
Float_t zSupport=1.;
/*
Float_t etain[6]= {3.3, 2.0, 3.3, 2.0, 4.5, 5.5};
Float_t etaout[6]={2.0, 1.6, 2.0, 1.6, 3.3, 4.5};
Float_t z[6]={64., 85., -64., -85., -240., -630};
Float_t zDet=0.04;
Float_t zElectronic=0.75;
Float_t zSupport=1.;
*/
Float_t zFMD=1.;
//-------------------------------------------------------------------
// FMD
//------------------------------------------------------------------
AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0);
// gMC->Gsvolu("GSI","TUBE", idtmed[1], par, 0);
gMC->Gsvolu("GEL ","TUBE", idtmed[4], par, 0);
gMC->Gsvolu("GSUP","TUBE", idtmed[2], par, 0);
for (ifmd =0; ifmd < 5; ifmd++){
sprintf(name,"FMD%d",ifmd+1);
sprintf(nameSi,"GSI%d",ifmd+1);
sprintf(nameSector,"GSC%d",ifmd+1);
sprintf(nameRing,"GRN%d",ifmd+1);
printf(name,nameSi);
zfmd=TMath::Abs(z[ifmd]);
printf("zfmd %f z[ifmd] %f",zfmd,z[ifmd]);
AliFMD::Eta2Radius(etain[ifmd],zfmd,&rin[ifmd]);
AliFMD::Eta2Radius(etaout[ifmd],zfmd,&rout[ifmd]);
par[0]=rin[ifmd]; // pipe size
par[1]=rout[ifmd];
par[2]=zFMD/2;
gMC->Gsvolu(name,"TUBE", idtmed[3], par, 3);
// par[2]=zDet/2;
gMC->Gsvolu(nameSi,"TUBE", idtmed[1], par, 0);
printf ("rin %f rout %f ZFMD %f\n",par[0],par[1],z[ifmd]);
if (z[ifmd] < 0){
gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],0, "ONLY");}
else {
gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],idrotm[901], "ONLY");}
//Silicon detector
par[2]=zDet/2;
zpos=zFMD/2 -par[2];
gMC->Gsposp(nameSi,ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
cout<<" Si "<Gsdvn(nameSector, nameSi , fSectorsSi2, 2);
gMC->Gsdvn(nameRing, nameSector, fRingsSi2, 1);
}
else
{
gMC->Gsdvn(nameSector, nameSi , fSectorsSi1, 2);
gMC->Gsdvn(nameRing, nameSector , fRingsSi1, 1);
}
//Plastic slice for electronics
par[2]=zElectronic/2;
zpos=zpos-zDet/2-par[2];
gMC->Gsposp("GEL ",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
//Simple Al support
par[1]=rout[ifmd];
par[0]=rout[ifmd]-2;
par[2]=zSupport/2;
zpos=zpos-zElectronic/2-par[2];
// gMC->Gsposp("GSUP",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
}
}
//------------------------------------------------------------------------
void AliFMDv0::CreateMaterials()
{
Int_t isxfld = gAlice->Field()->Integ();
Float_t sxmgmx = gAlice->Field()->Max();
// Plastic CH
Float_t aPlastic[2]={1.01,12.01};
Float_t zPlastic[2]={1,6};
Float_t wPlastic[2]={1,1};
Float_t denPlastic=1.03;
//
//*** Definition Of avaible FMD materials ***
AliMaterial(0, "Si chip$", 28.0855,14.,2.33,9.36,999);
AliMaterial(1, "Al supprt$", 26.980,13.,2.70,8.9,999);
AliMaterial(2, "FMD Air$", 14.61, 7.3, .001205, 30423.,999);
AliMixture( 5, "Plastic$",aPlastic,zPlastic,denPlastic,-2,wPlastic);
//**
AliMedium(1, "Si chip$", 0, 1, isxfld, sxmgmx, 1., .001, 1., .001, .001);
AliMedium(2, "Al support$", 1, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
AliMedium(3, "FMD air$", 2, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
AliMedium(4, "Plastic$", 5, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003);
}
//---------------------------------------------------------------------
void AliFMDv0::DrawDetector()
{
//
// Draw a shaded view of the Forward multiplicity detector version 0
//
AliMC* pMC = AliMC::GetMC();
//Set ALIC mother transparent
pMC->Gsatt("ALIC","SEEN",0);
//
//Set volumes visible
gMC->Gsatt("FMD0","SEEN",1);
gMC->Gsatt("FMD1","SEEN",1);
gMC->Gsatt("FMD2","SEEN",1);
gMC->Gsatt("FMD3","SEEN",1);
gMC->Gsatt("FMD4","SEEN",1);
gMC->Gsatt("FMD5","SEEN",1);
//
gMC->Gdopt("hide","on");
gMC->Gdopt("shad","on");
gMC->SetClipBox(".");
gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
gMC->DefaultRange();
gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
gMC->Gdhead(1111,"Forward multiplicity detector");
gMC->Gdopt("hide","off");
}
//-------------------------------------------------------------------
void AliFMDv0::Init()
{
// Initialises version 0 of the Forward Multiplicity Detector
//
AliMC* gMC=AliMC::GetMC();
AliFMD::Init();
fIdSens1=gMC->VolId("GRN1");
fIdSens2=gMC->VolId("GRN2");
fIdSens3=gMC->VolId("GRN3");
fIdSens4=gMC->VolId("GRN4");
fIdSens5=gMC->VolId("GRN5");
if (fDebug) printf("*** FMD version 0 initialized ***\n");
}
//-------------------------------------------------------------------
void AliFMDv0::StepManager()
{
//
// Called for every step in the Forward Multiplicity Detector
//
}