[u/mrichter/AliRoot.git] / TRD / AliTRDtrackingSector.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.                  *
**************************************************************************/

/* $Id: AliTRDtrackingSector.cxx 23810 2008-02-08 09:00:27Z hristov $ */

///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//  Tracking data container for one sector                                   //
//                                                                           //
//  Authors:                                                                 //
//    Alex Bercuci <A.Bercuci@gsi.de>                                        //
//    Markus Fasel <M.Fasel@gsi.de>                                          //
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

#include "AliTRDReconstructor.h"
#include "AliTRDtrackingSector.h"
#include "AliTRDtrackingChamber.h"


ClassImp(AliTRDtrackingSector)

//_____________________________________________________________________________
AliTRDtrackingSector::AliTRDtrackingSector()
  :fSector(-1)
  ,fN(0)
  ,fGeom(NULL)
{
  // Default constructor
  
  memset(fChamber, 0, AliTRDgeometry::kNdets*sizeof(AliTRDtrackingChamber*));
  memset(fStack,   0, AliTRDgeometry::kNlayer*sizeof(AliTRDtrackingChamber*));
  memset(fIndex, -1, AliTRDgeometry::kNdets*sizeof(Char_t));
  memset(fX0, 0, AliTRDgeometry::kNlayer*sizeof(Float_t));
}

//_____________________________________________________________________________
AliTRDtrackingSector::AliTRDtrackingSector(AliTRDgeometry *geo, Int_t gs)
  :fSector(gs)
  ,fN(0)
  ,fGeom(geo)
{
  //
  // AliTRDtrackingSector Constructor
  //

  memset(fChamber, 0, AliTRDgeometry::kNdets*sizeof(AliTRDtrackingChamber*));
  memset(fStack,   0, AliTRDgeometry::kNlayer*sizeof(AliTRDtrackingChamber*));
  memset(fIndex, -1, AliTRDgeometry::kNdets*sizeof(Char_t));
  memset(fX0, 0, AliTRDgeometry::kNlayer*sizeof(Float_t));
}

    
//_____________________________________________________________________________
void AliTRDtrackingSector::Init(const AliTRDReconstructor *rec)
{		
// 	Steer building of tracking chambers and build tracking sector.
// 	Propagate radial position information (calibration/alignment aware) from chambers to sector level
//
  
  AliTRDchamberTimeBin *tb = NULL;
  AliTRDtrackingChamber **tc = &fChamber[0];
  for(Int_t ic = 0; (ic<AliTRDgeometry::kNdets) && (*tc); ic++, tc++){
    for(Int_t itb=0; itb<AliTRDseedV1::kNtb; itb++){
      if(!(tb = (*tc)->GetTB(itb))) continue;
      tb->SetReconstructor(rec);
    }
    (*tc)->Build(fGeom, rec->IsHLT());
  }
    
  Int_t nl;
  for(int il=0; il<AliTRDgeometry::kNlayer; il++){
    fX0[il] = 0.; nl = 0;
    for(int is=0; is<AliTRDgeometry::kNstack; is++){
      Int_t idx = is*AliTRDgeometry::kNlayer + il;
      if(fIndex[idx]<0) continue;
      fX0[il] += GetChamber(fIndex[idx])->GetX(); 
      nl++; 
    }
    if(!nl){
      //printf("Could not estimate radial position  of plane %d in sector %d.\n", ip, fSector);
      continue;
    }
    fX0[il] /= Float_t(nl);
  }
}


//_____________________________________________________________________________
void AliTRDtrackingSector::Clear(const Option_t *opt)
{
// Reset counters and steer chamber clear

  AliTRDtrackingChamber **tc = &fChamber[0];
  for(Int_t ich=0; ich<fN; ich++, tc++){ 
    (*tc)->Clear(opt);
    delete (*tc); (*tc) = NULL;   // I would avoid
  }	
  memset(fIndex, -1, AliTRDgeometry::kNdets*sizeof(Char_t));
  fN = 0;
}

//_____________________________________________________________________________
AliTRDtrackingChamber* AliTRDtrackingSector::GetChamber(Int_t stack, Int_t layer, Bool_t build)
{
// Return chamber at position (stack, plane) in current 
// sector or build a new one if it is not already created
  
  Int_t ch = stack*AliTRDgeometry::kNlayer + layer;
  if(fIndex[ch] >= 0) return fChamber[Int_t(fIndex[ch])];
  else if(!build) return NULL;
  
  // CHAMBER HAS TO BE BUILD
  Int_t rch = ch;do rch--; while(rch>=0 && fIndex[rch]<0);
  fIndex[ch] = rch >=0 ? fIndex[rch]+1 : 0; 
  fN++;
  
  memmove(&fChamber[Int_t(fIndex[ch])+1], &fChamber[Int_t(fIndex[ch])], (AliTRDgeometry::kNdets-fIndex[ch]-1)*sizeof(void*));
  for(Int_t ic = ch+1; ic<AliTRDgeometry::kNdets; ic++) fIndex[ic] += fIndex[ic] >= 0 ? 1 : 0;
  
  AliTRDtrackingChamber *chmb = fChamber[Int_t(fIndex[ch])] = new AliTRDtrackingChamber();
  chmb->SetDetector(AliTRDgeometry::GetDetector(layer, stack, fSector));
  return chmb;
}

//_____________________________________________________________________________
AliTRDtrackingChamber** AliTRDtrackingSector::GetStack(Int_t stack)
{
// Return chamber at position (stack, plane) in current 
// sector or build a new one if it is not already created
  
  if(stack<0 || stack>=AliTRDgeometry::kNstack) return NULL;
  
  Int_t ich, n = 0;
  for(int il=0; il<AliTRDgeometry::kNlayer; il++){
    ich = stack*AliTRDgeometry::kNlayer + il;
    if(fIndex[ich] < 0) fStack[il] = NULL; 
    else{
      fStack[il] = fChamber[Int_t(fIndex[ich])];
      n++;
    }
  }
  
  return n ? &fStack[0] : NULL;
}

//_____________________________________________________________________________
void AliTRDtrackingSector::Print(Option_t *opt) const
{
// Dump info about this tracking sector and the tracking chamber within
// 

  printf("\n\tSector[%2d]\n", fSector);
  for(int il=0; il<AliTRDgeometry::kNlayer; il++){
    for(int is =0; is<AliTRDgeometry::kNstack; is++){
      Int_t ch = is*AliTRDgeometry::kNlayer + il;
      if(opt) fChamber[Int_t(fIndex[ch])]->Print(opt);
      else printf("%2d[%2d] ", fIndex[ch], fIndex[ch]>=0 ? fChamber[Int_t(fIndex[ch])]->GetNClusters() : 0);
    }
    if(!opt) printf("\n");
  }

}
Commit	Line	Data
a65a7e70	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	/* $Id: AliTRDtrackingSector.cxx 23810 2008-02-08 09:00:27Z hristov $ */
	17
	18	///////////////////////////////////////////////////////////////////////////////
	19	// //
	20	// Tracking data container for one sector //
	21	// //
	22	// Authors: //
	23	// Alex Bercuci <A.Bercuci@gsi.de> //
	24	// Markus Fasel <M.Fasel@gsi.de> //
	25	// //
	26	///////////////////////////////////////////////////////////////////////////////
	27
	28	#include "AliTRDReconstructor.h"
	29	#include "AliTRDtrackingSector.h"
	30	#include "AliTRDtrackingChamber.h"
	31
	32
	33	ClassImp(AliTRDtrackingSector)
	34
	35	//_____________________________________________________________________________
	36	AliTRDtrackingSector::AliTRDtrackingSector()
	37	:fSector(-1)
	38	,fN(0)
	39	,fGeom(NULL)
	40	{
	41	// Default constructor
	42
	43	memset(fChamber, 0, AliTRDgeometry::kNdetssizeof(AliTRDtrackingChamber));
	44	memset(fStack, 0, AliTRDgeometry::kNlayersizeof(AliTRDtrackingChamber));
	45	memset(fIndex, -1, AliTRDgeometry::kNdets*sizeof(Char_t));
	46	memset(fX0, 0, AliTRDgeometry::kNlayer*sizeof(Float_t));
	47	}
	48
	49	//_____________________________________________________________________________
	50	AliTRDtrackingSector::AliTRDtrackingSector(AliTRDgeometry *geo, Int_t gs)
	51	:fSector(gs)
	52	,fN(0)
	53	,fGeom(geo)
	54	{
	55	//
	56	// AliTRDtrackingSector Constructor
	57	//
	58
	59	memset(fChamber, 0, AliTRDgeometry::kNdetssizeof(AliTRDtrackingChamber));
	60	memset(fStack, 0, AliTRDgeometry::kNlayersizeof(AliTRDtrackingChamber));
	61	memset(fIndex, -1, AliTRDgeometry::kNdets*sizeof(Char_t));
	62	memset(fX0, 0, AliTRDgeometry::kNlayer*sizeof(Float_t));
	63	}
	64
65
66	//_____________________________________________________________________________
67	void AliTRDtrackingSector::Init(const AliTRDReconstructor *rec)
68	{
69	// Steer building of tracking chambers and build tracking sector.
70	// Propagate radial position information (calibration/alignment aware) from chambers to sector level
71	//
72
73	AliTRDchamberTimeBin *tb = NULL;
74	AliTRDtrackingChamber **tc = &fChamber[0];
75	for(Int_t ic = 0; (ic<AliTRDgeometry::kNdets) && (*tc); ic++, tc++){
76	for(Int_t itb=0; itb<AliTRDseedV1::kNtb; itb++){
77	if(!(tb = (*tc)->GetTB(itb))) continue;
78	tb->SetReconstructor(rec);
79	}
80	(*tc)->Build(fGeom, rec->IsHLT());
81	}
82
83	Int_t nl;
84	for(int il=0; il<AliTRDgeometry::kNlayer; il++){
85	fX0[il] = 0.; nl = 0;
86	for(int is=0; is<AliTRDgeometry::kNstack; is++){
87	Int_t idx = is*AliTRDgeometry::kNlayer + il;
88	if(fIndex[idx]<0) continue;
89	fX0[il] += GetChamber(fIndex[idx])->GetX();
90	nl++;
91	}
92	if(!nl){
93	//printf("Could not estimate radial position of plane %d in sector %d.\n", ip, fSector);
94	continue;
95	}
96	fX0[il] /= Float_t(nl);
97	}
98	}
99
100
101
102	//_____________________________________________________________________________
103	void AliTRDtrackingSector::Clear(const Option_t *opt)
104	{
105	// Reset counters and steer chamber clear
106
107	AliTRDtrackingChamber **tc = &fChamber[0];
108	for(Int_t ich=0; ich<fN; ich++, tc++){
109	(*tc)->Clear(opt);
110	delete (tc); (tc) = NULL; // I would avoid
111	}
112	memset(fIndex, -1, AliTRDgeometry::kNdets*sizeof(Char_t));
113	fN = 0;
114	}
115
116	//_____________________________________________________________________________
117	AliTRDtrackingChamber* AliTRDtrackingSector::GetChamber(Int_t stack, Int_t layer, Bool_t build)
118	{
119	// Return chamber at position (stack, plane) in current
120	// sector or build a new one if it is not already created
121
122	Int_t ch = stack*AliTRDgeometry::kNlayer + layer;
123	if(fIndex[ch] >= 0) return fChamber[Int_t(fIndex[ch])];
124	else if(!build) return NULL;
125
126	// CHAMBER HAS TO BE BUILD
127	Int_t rch = ch;do rch--; while(rch>=0 && fIndex[rch]<0);
128	fIndex[ch] = rch >=0 ? fIndex[rch]+1 : 0;
129	fN++;
130
131	memmove(&fChamber[Int_t(fIndex[ch])+1], &fChamber[Int_t(fIndex[ch])], (AliTRDgeometry::kNdets-fIndex[ch]-1)sizeof(void));
132	for(Int_t ic = ch+1; ic<AliTRDgeometry::kNdets; ic++) fIndex[ic] += fIndex[ic] >= 0 ? 1 : 0;
133
134	AliTRDtrackingChamber *chmb = fChamber[Int_t(fIndex[ch])] = new AliTRDtrackingChamber();
135	chmb->SetDetector(AliTRDgeometry::GetDetector(layer, stack, fSector));
136	return chmb;
137	}
138
139	//_____________________________________________________________________________
140	AliTRDtrackingChamber** AliTRDtrackingSector::GetStack(Int_t stack)
141	{
142	// Return chamber at position (stack, plane) in current
143	// sector or build a new one if it is not already created
144
145	if(stack<0 \|\| stack>=AliTRDgeometry::kNstack) return NULL;
146
147	Int_t ich, n = 0;
148	for(int il=0; il<AliTRDgeometry::kNlayer; il++){
149	ich = stack*AliTRDgeometry::kNlayer + il;
150	if(fIndex[ich] < 0) fStack[il] = NULL;
151	else{
152	fStack[il] = fChamber[Int_t(fIndex[ich])];
153	n++;
154	}
155	}
156
157	return n ? &fStack[0] : NULL;
158	}
159
160	//_____________________________________________________________________________
161	void AliTRDtrackingSector::Print(Option_t *opt) const
162	{
163	// Dump info about this tracking sector and the tracking chamber within
164	//
165
166	printf("\n\tSector[%2d]\n", fSector);
167	for(int il=0; il<AliTRDgeometry::kNlayer; il++){
168	for(int is =0; is<AliTRDgeometry::kNstack; is++){
169	Int_t ch = is*AliTRDgeometry::kNlayer + il;
170	if(opt) fChamber[Int_t(fIndex[ch])]->Print(opt);
171	else printf("%2d[%2d] ", fIndex[ch], fIndex[ch]>=0 ? fChamber[Int_t(fIndex[ch])]->GetNClusters() : 0);
172	}
173	if(!opt) printf("\n");
174	}
175
176	}