[u/mrichter/AliRoot.git] / FMD / AliFMDv1.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 <TFile.h>
#include <TTree.h>
#include <TNode.h>
#include <TClonesArray.h>
#include <TLorentzVector.h>
#include <TDirectory.h>
#include "AliFMDv1.h"
#include "AliRun.h"
#include "AliMC.h"
#include <iostream.h>
#include <fstream.h>
#include "AliMagF.h"
#include "AliFMDhit.h"
#include "AliFMDdigit.h"
#include <stdlib.h>
//#include "TGeant3.h"
//class TGeant3;
ClassImp(AliFMDv1)

//--------------------------------------------------------------------
AliFMDv1::AliFMDv1(const char *name, const char *title):
 AliFMD(name,title)
{
  //
  // Standart constructor for Forward Multiplicity Detector version 0
  //
  fIdSens1=0;
//  setBufferSize(128000);
}
//-------------------------------------------------------------------------
void AliFMDv1::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 < 4; 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


  gMC->Gsdvn("GSEC", "GFSI", 16, 2);
  gMC->Gsdvn("GRIN", "GSEC", 128, 1); 
   /*
      for (Int_t i=0; i<16; i++){
      sprintf(ring,"GR%d",i);
      printf(ring);
      gMC->Gsdvn(ring, "GSEC", 128, 1);
    }
      */

}    
//------------------------------------------------------------------------
void AliFMDv1::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 AliFMDv1::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 AliFMDv1::Init()
{
// Initialises version 0 of the Forward Multiplicity Detector
//
AliMC* gMC=AliMC::GetMC();
AliFMD::Init();
fIdSens1=gMC->VolId("GRIN");
printf("*** FMD version 1 initialized ***\n");
}

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

void AliFMDv1::StepManager()
{
  //
  // Called for every step in the Forward Multiplicity Detector
  //
  Int_t id,copy,copy1,copy2;
  static Float_t hits[9];
  static Int_t vol[3];
  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

  //  printf(" in StepManeger \n");
  id=gMC->CurrentVolID(copy);
  
// Check the sensetive volume
   if(id==fIdSens1)
     {
       if(gMC->IsTrackEntering())
	 {
	   //	   ((TGeant3*)gMC)->Gpcxyz();
	   vol[2]=copy;
	   gMC->CurrentVolOffID(1,copy1);
	   vol[1]=copy1;
	   gMC->CurrentVolOffID(2,copy2);
	   vol[0]=copy2;
	   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.;
	   //	   for(i=0; i<9; i++) printf(" hits %f \n",hits[i]);
	 }
       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
	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	**************************************************************************/
	15	/////////////////////////////////////////////////////////////////////
	16	// //
	17	// Forward Multiplicity detector based on Silicon version 0 //
	18	//
	19	//Begin Html
	20	/*
	21	<img src="gif/AliFMDv0Class.gif">
	22	*/
	23	//End Html
	24	// //
	25	// //
	26	//////////////////////////////////////////////////////////////////////
	27
	28	#include <TMath.h>
	29	#include <TGeometry.h>
	30	#include <TTUBE.h>
	31	#include <TFile.h>
	32	#include <TTree.h>
	33	#include <TNode.h>
	34	#include <TClonesArray.h>
	35	#include <TLorentzVector.h>
	36	#include <TDirectory.h>
	37	#include "AliFMDv1.h"
	38	#include "AliRun.h"
	39	#include "AliMC.h"
	40	#include <iostream.h>
	41	#include <fstream.h>
	42	#include "AliMagF.h"
	43	#include "AliFMDhit.h"
	44	#include "AliFMDdigit.h"
	45	#include <stdlib.h>
	46	//#include "TGeant3.h"
	47	//class TGeant3;
	48	ClassImp(AliFMDv1)
	49
	50	//--------------------------------------------------------------------
	51	AliFMDv1::AliFMDv1(const char name, const char title):
	52	AliFMD(name,title)
	53	{
	54	//
	55	// Standart constructor for Forward Multiplicity Detector version 0
	56	//
	57	fIdSens1=0;
	58	// setBufferSize(128000);
	59	}
	60	//-------------------------------------------------------------------------
	61	void AliFMDv1::CreateGeometry()
	62	{
	63	//
	64	// Create the geometry of Forward Multiplicity Detector version 0
	65	//
	66	//Detector consists of 6 volumes:
	67	// 1st covered pseudorapidity interval from 3.3 to 2.0
	68	// and placed on 65cm in Z-direction;
	69	// 2nd - from 2.0 to 1.6 and Z=85 cm;
	70	// 3d - the same pseudorapidity interval as the 1st
	71	// but on the other side from the interaction point z=-65cm;
	72	// 4th - simmetricaly with the 2nd :
	73	// pseudorapidity from 2.0 to 1.6, Z=-85cm
	74	// 5th - from 3.6 to 4.7, Z=-270cm
	75	// 6th - from 4.5 to 5.5 , Z=-630cm.
	76	// Each part has 400mkm Si (sensetive area, detector itself),
	77	// 0.75cm of plastic simulated electronics material,
	78	// Al support ring 2cm thickness and 1cm width placed on
	79	// the outer radius of each Si disk;
	80	//
	81	// begin Html
	82	/*
	83	<img src="gif/AliFMDv0.gif">
	84	*/
	85	//
	86
	87	Int_t *idtmed = fIdtmed->GetArray();
	88
	89	Int_t ifmd;
	90	Int_t idrotm[999];
	91	Float_t zfmd,par[3];
	92	char name[5];
	93
	94	Float_t rin[6], rout[6],zpos;
	95	Float_t etain[6]= {3.3, 2.0, 3.3, 2.0, 4.7, 5.5};
	96	Float_t etaout[6]={2.0, 1.6, 2.0, 1.6, 3.6, 4.5};
	97	Float_t z[6]={64., 85., -64., -85., -270., -630};
	98	Float_t zDet=0.04;
	99	Float_t zElectronic=0.75;
	100	Float_t zSupport=1.;
	101	Float_t zFMD=3.;
	102	//-------------------------------------------------------------------
	103	// FMD
	104	//------------------------------------------------------------------
	105
	106	AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0);
	107
	108	gMC->Gsvolu("GFSI","TUBE", idtmed[1], par, 0);
	109	gMC->Gsvolu("GEL ","TUBE", idtmed[4], par, 0);
	110	gMC->Gsvolu("GSUP","TUBE", idtmed[2], par, 0);
	111
	112	for (ifmd =0; ifmd < 4; ifmd++){
	113
	114	sprintf(name,"FMD%d",ifmd);
	115	printf(name);
	116
	117	zfmd=TMath::Abs(z[ifmd]);
	118	printf("zfmd %f z[ifmd] %f",zfmd,z[ifmd]);
	119	AliFMD::Eta2Radius(etain[ifmd],zfmd,&rin[ifmd]);
	120	AliFMD::Eta2Radius(etaout[ifmd],zfmd,&rout[ifmd]);
	121
	122	par[0]=rin[ifmd]; // pipe size
	123	par[1]=rout[ifmd];
	124	par[2]=zFMD/2;
	125	gMC->Gsvolu(name,"TUBE", idtmed[3], par, 3);
	126
	127	printf ("rin %f rout %f ZFMD %f\n",par[0],par[1],z[ifmd]);
	128	if (z[ifmd] < 0){
	129	gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],0, "ONLY");}
	130	else {
	131	gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],idrotm[901], "ONLY");}
	132	//Silicon detector
	133	par[2]=zDet/2;
	134	zpos=zFMD/2 -par[2];
	135	gMC->Gsposp("GFSI",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
	136
	137	//Plastic slice for electronics
	138	par[2]=zElectronic/2;
	139	zpos=zpos-zDet/2-par[2];
	140	gMC->Gsposp("GEL ",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
	141
	142	//Simple Al support
	143	par[1]=rout[ifmd];
	144	par[0]=rout[ifmd]-2;
	145	par[2]=zSupport/2;
	146	zpos=zpos-zElectronic/2-par[2];
	147	gMC->Gsposp("GSUP",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
	148
	149
	150	}
	151
	152	//Silicon
	153
	154
	155	gMC->Gsdvn("GSEC", "GFSI", 16, 2);
	156	gMC->Gsdvn("GRIN", "GSEC", 128, 1);
	157	/*
	158	for (Int_t i=0; i<16; i++){
	159	sprintf(ring,"GR%d",i);
	160	printf(ring);
	161	gMC->Gsdvn(ring, "GSEC", 128, 1);
	162	}
	163	*/
	164
	165	}
	166	//------------------------------------------------------------------------
	167	void AliFMDv1::CreateMaterials()
	168	{
	169	Int_t isxfld = gAlice->Field()->Integ();
	170	Float_t sxmgmx = gAlice->Field()->Max();
	171
	172	// Plastic CH
	173	Float_t aPlastic[2]={1.01,12.01};
	174	Float_t zPlastic[2]={1,6};
	175	Float_t wPlastic[2]={1,1};
	176	Float_t denPlastic=1.03;
	177	//
	178
	179	//* Definition Of avaible FMD materials *
	180	AliMaterial(0, "Si chip$", 28.0855,14.,2.33,9.36,999);
	181	AliMaterial(1, "Al supprt$", 26.980,13.,2.70,8.9,999);
	182	AliMaterial(2, "FMD Air$", 14.61, 7.3, .001205, 30423.,999);
	183	AliMixture( 5, "Plastic$",aPlastic,zPlastic,denPlastic,-2,wPlastic);
	184
	185
	186	//**
	187	AliMedium(1, "Si chip$", 0, 1, isxfld, sxmgmx, 1., .001, 1., .001, .001);
	188	AliMedium(2, "Al support$", 1, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
	189	AliMedium(3, "FMD air$", 2, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
	190	AliMedium(4, "Plastic$", 5, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003);
	191
	192
	193
	194	}
	195	//---------------------------------------------------------------------
	196	void AliFMDv1::DrawDetector()
	197	{
	198	//
	199	// Draw a shaded view of the Forward multiplicity detector version 0
	200	//
	201
	202	AliMC* pMC = AliMC::GetMC();
	203
	204	//Set ALIC mother transparent
	205	pMC->Gsatt("ALIC","SEEN",0);
	206	//
	207	//Set volumes visible
	208	gMC->Gsatt("FMD0","SEEN",1);
	209	gMC->Gsatt("FMD1","SEEN",1);
	210	gMC->Gsatt("FMD2","SEEN",1);
	211	gMC->Gsatt("FMD3","SEEN",1);
	212	gMC->Gsatt("FMD4","SEEN",1);
	213	gMC->Gsatt("FMD5","SEEN",1);
	214
	215	//
	216	gMC->Gdopt("hide","on");
	217	gMC->Gdopt("shad","on");
	218	gMC->SetClipBox(".");
	219	gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
	220	gMC->DefaultRange();
	221	gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
	222	gMC->Gdhead(1111,"Forward multiplicity detector");
	223	gMC->Gdopt("hide","off");
	224	}
	225	//-------------------------------------------------------------------
	226	void AliFMDv1::Init()
	227	{
	228	// Initialises version 0 of the Forward Multiplicity Detector
	229	//
	230	AliMC* gMC=AliMC::GetMC();
	231	AliFMD::Init();
	232	fIdSens1=gMC->VolId("GRIN");
	233	printf("* FMD version 1 initialized *\n");
	234	}
	235
	236	//-------------------------------------------------------------------
	237
	238	void AliFMDv1::StepManager()
	239	{
	240	//
	241	// Called for every step in the Forward Multiplicity Detector
	242	//
	243	Int_t id,copy,copy1,copy2;
	244	static Float_t hits[9];
	245	static Int_t vol[3];
	246	static Float_t de;
	247	TLorentzVector pos;
	248	TLorentzVector mom;
	249
	250
	251	TClonesArray &lhits = *fHits;
	252	AliMC* gMC=AliMC::GetMC();
	253	if(!gMC->IsTrackAlive()) return; // particle has disappeared
	254
	255	Float_t charge = gMC->TrackCharge();
	256	if(TMath::Abs(charge)<=0.) return; //take only charged particles
	257
	258	// printf(" in StepManeger \n");
	259	id=gMC->CurrentVolID(copy);
	260
	261	// Check the sensetive volume
	262	if(id==fIdSens1)
	263	{
	264	if(gMC->IsTrackEntering())
	265	{
	266	// ((TGeant3*)gMC)->Gpcxyz();
	267	vol[2]=copy;
	268	gMC->CurrentVolOffID(1,copy1);
	269	vol[1]=copy1;
	270	gMC->CurrentVolOffID(2,copy2);
	271	vol[0]=copy2;
	272	gMC->TrackPosition(pos);
	273	hits[0]=pos[0];
	274	hits[1]=pos[1];
	275	hits[2]=pos[2];
	276	gMC->TrackMomentum(mom);
	277	hits[3]=mom[0];
	278	hits[4]=mom[1];
	279	hits[5]=mom[2];
	280
	281	Int_t iPart= gMC->TrackPid();
	282	Int_t partId=gMC->IdFromPDG(iPart);
	283	hits[7]=partId;
	284	hits[8]=1e9*gMC->TrackTime();
	285	de=0.;
	286	// for(i=0; i<9; i++) printf(" hits %f \n",hits[i]);
	287	}
	288	if(gMC->IsTrackInside()){
	289	de=de+1000.*gMC->Edep();
	290	}
	291
	292	if(gMC->IsTrackExiting()
	293	\|\|gMC->IsTrackDisappeared()\|\|
	294	gMC->IsTrackStop())
	295	{
	296	hits[6]=de+1000.*gMC->Edep();
	297	new(lhits[fNhits++]) AliFMDhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
	298	} // IsTrackExiting()
	299	}
	300	}
	301
	302
	303
	304
	305
	306