[u/mrichter/AliRoot.git] / FMD / AliFMDv0.cxx

/**************************************************************************
 * 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       
/*
<img src="gif/AliFMDv0Class.gif">
*/
//End Html
//                                                                  //
//                                                                  //
//////////////////////////////////////////////////////////////////////

#include <TMath.h>
#include <TGeometry.h>
#include <TTUBE.h>
#include <TNode.h>
#include <TLorentzVector.h>
#include "AliFMDv0.h"
#include "AliRun.h"
#include "AliMC.h"
#include <iostream.h>
#include <fstream.h>
//#include <AliRandom.h>
#include "AliMagF.h"
#include "AliFMDhit.h"
#include <stdlib.h>

//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;
//  setBufferSize(128000);
}
//-------------------------------------------------------------------------
void AliFMDv0::CreateGeometry()
{
 //
  // Create the geometry of Forward Multiplicity Detector version 0
  //
  //Detector consists of 6 volumes: 
  // 1st covered pseudorapidity interval from 3.3 to 2.0
  // and placed on 65cm in Z-direction;
  // 2nd - from 2.0 to 1.6 and Z=85 cm;
  // 3d  - the same pseudorapidity interval as the 1st 
  // but on the other side from the interaction point z=-65cm;
  // 4th - simmetricaly with the 2nd : 
  // pseudorapidity from 2.0 to 1.6, Z=-85cm   
  // 5th - from 3.6 to 4.7, Z=-270cm
  // 6th - from 4.5 to 5.5 , Z=-630cm.
  // Each part has 400mkm 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
  /*
   <img src="gif/AliFMDv0.gif">
  */
  //

  Int_t *idtmed = fIdtmed->GetArray();
   
  Int_t ifmd;
  Int_t idrotm[999];
  Float_t zfmd,par[3];
  char name[5];

  Float_t rin[6], rout[6],zpos;
  Float_t etain[6]= {3.3, 2.0, 3.3, 2.0, 4.7, 5.5};
  Float_t etaout[6]={2.0, 1.6, 2.0, 1.6, 3.6, 4.5};
  Float_t z[6]={64., 85., -64., -85., -270., -630};
  Float_t zDet=0.04;
  Float_t zElectronic=0.75;
  Float_t zSupport=1.;
  Float_t zFMD=3.;
//-------------------------------------------------------------------
 //  FMD 
 //------------------------------------------------------------------

  AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0);

  gMC->Gsvolu("GFSI","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 < 6; ifmd++){

    sprintf(name,"FMD%d",ifmd);
    printf(name);
    
    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);
    
    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("GFSI",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);

    //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);
   

  }  
  //Silicon

  
}    
//------------------------------------------------------------------------
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("GFSI");
printf("*** FMD version 0 initialized ***\n");
}

//-------------------------------------------------------------------

void AliFMDv0::StepManager()
{
  //
  // Called for every step in the Forward Multiplicity Detector
  //
  Int_t id,copy;
  static Float_t hits[9];
  static Int_t vol[1];
  static Float_t de;
  TLorentzVector pos;
  TLorentzVector mom;


  TClonesArray &lhits = *fHits;
  AliMC* gMC=AliMC::GetMC();
  if(!gMC->IsTrackAlive()) return; // particle has disappeared

  Float_t charge = gMC->TrackCharge();
  if(TMath::Abs(charge)<=0.) return; //take only charged particles

  //  ((TGeant3*)gMC)->Gpcxyz();

  id=gMC->CurrentVolID(copy);
  
// Check the sensetive volume
   if(id==fIdSens1)
     {
       if(gMC->IsTrackEntering())
	 {
	   vol[0]=copy;
	   gMC->TrackPosition(pos);
	   hits[0]=pos[0];
	   hits[1]=pos[1];
	   hits[2]=pos[2];
	   
	   gMC->TrackMomentum(mom);
	   hits[3]=mom[0];
	   hits[4]=mom[1];
	   hits[5]=mom[2];

	   Int_t iPart= gMC->TrackPid();
	   Int_t partId=gMC->IdFromPDG(iPart);
	   hits[7]=partId;
	   hits[8]=1e9*gMC->TrackTime();
	   de=0.;
	 }
       if(gMC->IsTrackInside()){
	   de=de+1000.*gMC->Edep();
       }
       
       if(gMC->IsTrackExiting()
	  ||gMC->IsTrackDisappeared()||
	  gMC->IsTrackStop())
	 {
	     hits[6]=de+1000.*gMC->Edep();
    new(lhits[fNhits++]) AliFMDhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
	 } // IsTrackExiting()
     }
 }
Commit	Line	Data
4c039060	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
d28dcc0d	15	/////////////////////////////////////////////////////////////////////
	16	// //
	17	// Forward Multiplicity detector based on Silicon version 0 //
	18	//
	19	//Begin Html
fe4da5cc	20	/*
d28dcc0d	21	<img src="gif/AliFMDv0Class.gif">
fe4da5cc	22	*/
d28dcc0d	23	//End Html
	24	// //
	25	// //
	26	//////////////////////////////////////////////////////////////////////
fe4da5cc	27
d28dcc0d	28	#include <TMath.h>
	29	#include <TGeometry.h>
	30	#include <TTUBE.h>
	31	#include <TNode.h>
	32	#include <TLorentzVector.h>
fe4da5cc	33	#include "AliFMDv0.h"
d28dcc0d	34	#include "AliRun.h"
fe4da5cc	35	#include "AliMC.h"
d28dcc0d	36	#include <iostream.h>
d28dcc0d	37	#include <fstream.h>
b9a2d5e4	38	//#include <AliRandom.h>
94de3818	39	#include "AliMagF.h"
d28dcc0d	40	#include "AliFMDhit.h"
d28dcc0d	41	#include <stdlib.h>
94de3818	42
d28dcc0d	43	//class TGeant3;
fe4da5cc	44	ClassImp(AliFMDv0)
d28dcc0d	45
	46	//--------------------------------------------------------------------
	47	AliFMDv0::AliFMDv0(const char name, const char title):
	48	AliFMD(name,title)
fe4da5cc	49	{
fe4da5cc	50	//
d28dcc0d	51	// Standart constructor for Forward Multiplicity Detector version 0
fe4da5cc	52	//
d28dcc0d	53	fIdSens1=0;
d28dcc0d	54	// setBufferSize(128000);
fe4da5cc	55	}
d28dcc0d	56	//-------------------------------------------------------------------------
fe4da5cc	57	void AliFMDv0::CreateGeometry()
fe4da5cc	58	{
d28dcc0d	59	//
d28dcc0d	60	// Create the geometry of Forward Multiplicity Detector version 0
fe4da5cc	61	//
d28dcc0d	62	//Detector consists of 6 volumes:
	63	// 1st covered pseudorapidity interval from 3.3 to 2.0
	64	// and placed on 65cm in Z-direction;
	65	// 2nd - from 2.0 to 1.6 and Z=85 cm;
	66	// 3d - the same pseudorapidity interval as the 1st
	67	// but on the other side from the interaction point z=-65cm;
	68	// 4th - simmetricaly with the 2nd :
	69	// pseudorapidity from 2.0 to 1.6, Z=-85cm
	70	// 5th - from 3.6 to 4.7, Z=-270cm
	71	// 6th - from 4.5 to 5.5 , Z=-630cm.
	72	// Each part has 400mkm Si (sensetive area, detector itself),
	73	// 0.75cm of plastic simulated electronics material,
	74	// Al support ring 2cm thickness and 1cm width placed on
	75	// the outer radius of each Si disk;
	76	//
	77	// begin Html
fe4da5cc	78	/*
d28dcc0d	79	<img src="gif/AliFMDv0.gif">
fe4da5cc	80	*/
d28dcc0d	81	//
	82
	83	Int_t *idtmed = fIdtmed->GetArray();
	84
	85	Int_t ifmd;
	86	Int_t idrotm[999];
	87	Float_t zfmd,par[3];
	88	char name[5];
	89
	90	Float_t rin[6], rout[6],zpos;
	91	Float_t etain[6]= {3.3, 2.0, 3.3, 2.0, 4.7, 5.5};
	92	Float_t etaout[6]={2.0, 1.6, 2.0, 1.6, 3.6, 4.5};
	93	Float_t z[6]={64., 85., -64., -85., -270., -630};
	94	Float_t zDet=0.04;
	95	Float_t zElectronic=0.75;
	96	Float_t zSupport=1.;
	97	Float_t zFMD=3.;
	98	//-------------------------------------------------------------------
	99	// FMD
	100	//------------------------------------------------------------------
	101
	102	AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0);
	103
	104	gMC->Gsvolu("GFSI","TUBE", idtmed[1], par, 0);
	105	gMC->Gsvolu("GEL ","TUBE", idtmed[4], par, 0);
	106	gMC->Gsvolu("GSUP","TUBE", idtmed[2], par, 0);
	107
	108	for (ifmd =0; ifmd < 6; ifmd++){
	109
	110	sprintf(name,"FMD%d",ifmd);
	111	printf(name);
	112
	113	zfmd=TMath::Abs(z[ifmd]);
	114	printf("zfmd %f z[ifmd] %f",zfmd,z[ifmd]);
	115	AliFMD::Eta2Radius(etain[ifmd],zfmd,&rin[ifmd]);
	116	AliFMD::Eta2Radius(etaout[ifmd],zfmd,&rout[ifmd]);
	117
	118	par[0]=rin[ifmd]; // pipe size
	119	par[1]=rout[ifmd];
	120	par[2]=zFMD/2;
	121	gMC->Gsvolu(name,"TUBE", idtmed[3], par, 3);
	122
	123	printf ("rin %f rout %f ZFMD %f\n",par[0],par[1],z[ifmd]);
	124	if (z[ifmd] < 0){
	125	gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],0, "ONLY");}
	126	else {
	127	gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],idrotm[901], "ONLY");}
	128	//Silicon detector
	129	par[2]=zDet/2;
	130	zpos=zFMD/2 -par[2];
	131	gMC->Gsposp("GFSI",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
	132
	133	//Plastic slice for electronics
	134	par[2]=zElectronic/2;
	135	zpos=zpos-zDet/2-par[2];
	136	gMC->Gsposp("GEL ",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
	137
	138	//Simple Al support
	139	par[1]=rout[ifmd];
	140	par[0]=rout[ifmd]-2;
	141	par[2]=zSupport/2;
	142	zpos=zpos-zElectronic/2-par[2];
	143	gMC->Gsposp("GSUP",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
	144
145
146	}
147	//Silicon
fe4da5cc	148
fe4da5cc	149
d28dcc0d	150
fe4da5cc	151
d28dcc0d	152	}
	153	//------------------------------------------------------------------------
	154	void AliFMDv0::CreateMaterials()
	155	{
	156	Int_t isxfld = gAlice->Field()->Integ();
	157	Float_t sxmgmx = gAlice->Field()->Max();
fe4da5cc	158
d28dcc0d	159	// Plastic CH
	160	Float_t aPlastic[2]={1.01,12.01};
	161	Float_t zPlastic[2]={1,6};
	162	Float_t wPlastic[2]={1,1};
	163	Float_t denPlastic=1.03;
	164	//
	165
	166	//* Definition Of avaible FMD materials *
	167	AliMaterial(0, "Si chip$", 28.0855,14.,2.33,9.36,999);
	168	AliMaterial(1, "Al supprt$", 26.980,13.,2.70,8.9,999);
	169	AliMaterial(2, "FMD Air$", 14.61, 7.3, .001205, 30423.,999);
	170	AliMixture( 5, "Plastic$",aPlastic,zPlastic,denPlastic,-2,wPlastic);
	171
fe4da5cc	172
d28dcc0d	173	//**
	174	AliMedium(1, "Si chip$", 0, 1, isxfld, sxmgmx, 1., .001, 1., .001, .001);
	175	AliMedium(2, "Al support$", 1, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
	176	AliMedium(3, "FMD air$", 2, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
	177	AliMedium(4, "Plastic$", 5, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003);
	178
	179
	180
	181	}
	182	//---------------------------------------------------------------------
	183	void AliFMDv0::DrawDetector()
fe4da5cc	184	{
d28dcc0d	185	//
	186	// Draw a shaded view of the Forward multiplicity detector version 0
	187	//
fe4da5cc	188
d28dcc0d	189	AliMC* pMC = AliMC::GetMC();
	190
	191	//Set ALIC mother transparent
	192	pMC->Gsatt("ALIC","SEEN",0);
	193	//
	194	//Set volumes visible
	195	gMC->Gsatt("FMD0","SEEN",1);
	196	gMC->Gsatt("FMD1","SEEN",1);
	197	gMC->Gsatt("FMD2","SEEN",1);
	198	gMC->Gsatt("FMD3","SEEN",1);
	199	gMC->Gsatt("FMD4","SEEN",1);
	200	gMC->Gsatt("FMD5","SEEN",1);
	201
	202	//
	203	gMC->Gdopt("hide","on");
	204	gMC->Gdopt("shad","on");
	205	gMC->SetClipBox(".");
	206	gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
	207	gMC->DefaultRange();
	208	gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
	209	gMC->Gdhead(1111,"Forward multiplicity detector");
	210	gMC->Gdopt("hide","off");
	211	}
	212	//-------------------------------------------------------------------
	213	void AliFMDv0::Init()
	214	{
	215	// Initialises version 0 of the Forward Multiplicity Detector
	216	//
	217	AliMC* gMC=AliMC::GetMC();
	218	AliFMD::Init();
	219	fIdSens1=gMC->VolId("GFSI");
	220	printf("* FMD version 0 initialized *\n");
fe4da5cc	221	}
fe4da5cc	222
d28dcc0d	223	//-------------------------------------------------------------------
	224
	225	void AliFMDv0::StepManager()
fe4da5cc	226	{
fe4da5cc	227	//
d28dcc0d	228	// Called for every step in the Forward Multiplicity Detector
fe4da5cc	229	//
d28dcc0d	230	Int_t id,copy;
	231	static Float_t hits[9];
	232	static Int_t vol[1];
	233	static Float_t de;
	234	TLorentzVector pos;
	235	TLorentzVector mom;
fe4da5cc	236
d28dcc0d	237
	238	TClonesArray &lhits = *fHits;
	239	AliMC* gMC=AliMC::GetMC();
	240	if(!gMC->IsTrackAlive()) return; // particle has disappeared
	241
	242	Float_t charge = gMC->TrackCharge();
	243	if(TMath::Abs(charge)<=0.) return; //take only charged particles
	244
	245	// ((TGeant3*)gMC)->Gpcxyz();
	246
	247	id=gMC->CurrentVolID(copy);
fe4da5cc	248
d28dcc0d	249	// Check the sensetive volume
	250	if(id==fIdSens1)
	251	{
	252	if(gMC->IsTrackEntering())
	253	{
	254	vol[0]=copy;
	255	gMC->TrackPosition(pos);
	256	hits[0]=pos[0];
	257	hits[1]=pos[1];
	258	hits[2]=pos[2];
	259
	260	gMC->TrackMomentum(mom);
	261	hits[3]=mom[0];
	262	hits[4]=mom[1];
	263	hits[5]=mom[2];
fe4da5cc	264
d28dcc0d	265	Int_t iPart= gMC->TrackPid();
	266	Int_t partId=gMC->IdFromPDG(iPart);
	267	hits[7]=partId;
	268	hits[8]=1e9*gMC->TrackTime();
	269	de=0.;
	270	}
	271	if(gMC->IsTrackInside()){
	272	de=de+1000.*gMC->Edep();
	273	}
	274
	275	if(gMC->IsTrackExiting()
	276	\|\|gMC->IsTrackDisappeared()\|\|
	277	gMC->IsTrackStop())
	278	{
	279	hits[6]=de+1000.*gMC->Edep();
	280	new(lhits[fNhits++]) AliFMDhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
	281	} // IsTrackExiting()
	282	}
	283	}
fe4da5cc	284