[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 "AliTRDtrackingSector.h"
#include "AliTRDcalibDB.h"
#include "AliTRDCommonParam.h"
#include "AliTRDgeometry.h"
#include "AliTRDpadPlane.h"
#include "AliTRDtrackingChamber.h"

ClassImp(AliTRDtrackingSector)

//_____________________________________________________________________________
AliTRDtrackingSector::AliTRDtrackingSector()
  :fSector(-1)
  ,fN(0)
  ,fGeom(0x0)
{
	// Default constructor
	
	for(int ic=0; ic<kNChambersSector; ic++){
		fChamber[ic] = 0x0;
		fIndex[ic]   = -1;
	}
	for(int il=0; il<AliTRDgeometry::kNlayer; il++) fX0[il] = 0.;
}

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

	for(int ic=0; ic<kNChambersSector; ic++){
		fChamber[ic] = 0x0;
		fIndex[ic]   = -1;
	}
	for(int il=0; il<AliTRDgeometry::kNlayer; il++) fX0[il] = 0.;
}

//_____________________________________________________________________________
AliTRDtrackingSector::AliTRDtrackingSector(const AliTRDtrackingSector &/*t*/)
  :fSector(-1)
  ,fN(0)
  ,fGeom(0x0)
{
  //
  // Copy constructor
  //

}

//_____________________________________________________________________________
AliTRDtrackingSector::~AliTRDtrackingSector()
{
  //
  // Destructor
  //

}
		
//_____________________________________________________________________________
void AliTRDtrackingSector::Init()
{		
// 	Steer building of tracking chambers and build tracking sector.
// 	Propagate radial position information (calibration/alignment aware) from chambers to sector level
//
	
	AliTRDtrackingChamber *tc = 0x0; int ic = 0; 
	while((ic<kNChambersSector) && (tc = fChamber[ic++])) tc->Build(fGeom);
		
	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;
			tc = GetChamber(fIndex[idx]);
			fX0[il] += tc->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

	for(Int_t ich=0; ich<fN; ich++){ 
		fChamber[ich]->Clear(opt);
		delete fChamber[ich]; fChamber[ich] = 0x0;   // I would avoid
	}	
	for(Int_t ich=0; ich<kNChambersSector; ich++) fIndex[ich] = -1;
	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 0x0;
	
	// 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])], (kNChambersSector-fIndex[ch]-1)*sizeof(void*));
	for(Int_t ic = ch+1; ic<kNChambersSector; ic++) fIndex[ic] += fIndex[ic] >= 0 ? 1 : 0;
	
	return fChamber[Int_t(fIndex[ch])] = new AliTRDtrackingChamber(AliTRDgeometry::GetDetector(layer, stack, fSector));
}

//_____________________________________________________________________________
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 0x0;
	
	Int_t ich, n = 0;
	for(int il=0; il<AliTRDgeometry::kNlayer; il++){
		ich = stack*AliTRDgeometry::kNlayer + il;
		if(fIndex[ich] < 0) fStack[il] = 0x0; 
		else{
			fStack[il] = fChamber[Int_t(fIndex[ich])];
			n++;
		}
	}
	
	return n ? &fStack[0] : 0x0;
}

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

	printf("\tSector %2d\n", fSector);
	for(int il=0; il<6; il++){
		for(int is =0; is<5; is++){
			Int_t ch = is*AliTRDgeometry::kNlayer + il;
			printf("%2d[%2d] ", fIndex[ch], fIndex[ch]>=0 ? fChamber[Int_t(fIndex[ch])]->GetNClusters() : 0);
		}
		printf("\n");
	}

}
Commit	Line	Data
eb38ed55	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 "AliTRDtrackingSector.h"
	29	#include "AliTRDcalibDB.h"
	30	#include "AliTRDCommonParam.h"
	31	#include "AliTRDgeometry.h"
	32	#include "AliTRDpadPlane.h"
	33	#include "AliTRDtrackingChamber.h"
	34
	35	ClassImp(AliTRDtrackingSector)
	36
	37	//_____________________________________________________________________________
	38	AliTRDtrackingSector::AliTRDtrackingSector()
2985ffcb	39	:fSector(-1)
eb38ed55	40	,fN(0)
	41	,fGeom(0x0)
	42	{
	43	// Default constructor
	44
	45	for(int ic=0; ic<kNChambersSector; ic++){
	46	fChamber[ic] = 0x0;
	47	fIndex[ic] = -1;
	48	}
053767a4	49	for(int il=0; il<AliTRDgeometry::kNlayer; il++) fX0[il] = 0.;
eb38ed55	50	}
	51
	52	//_____________________________________________________________________________
2985ffcb	53	AliTRDtrackingSector::AliTRDtrackingSector(AliTRDgeometry *geo, Int_t gs)
2985ffcb	54	:fSector(gs)
eb38ed55	55	,fN(0)
	56	,fGeom(geo)
	57	{
	58	//
	59	// AliTRDtrackingSector Constructor
	60	//
	61
	62	for(int ic=0; ic<kNChambersSector; ic++){
	63	fChamber[ic] = 0x0;
	64	fIndex[ic] = -1;
	65	}
053767a4	66	for(int il=0; il<AliTRDgeometry::kNlayer; il++) fX0[il] = 0.;
eb38ed55	67	}
	68
	69	//_____________________________________________________________________________
	70	AliTRDtrackingSector::AliTRDtrackingSector(const AliTRDtrackingSector &/t/)
2985ffcb	71	:fSector(-1)
eb38ed55	72	,fN(0)
	73	,fGeom(0x0)
	74	{
	75	//
	76	// Copy constructor
	77	//
	78
	79	}
	80
	81	//_____________________________________________________________________________
	82	AliTRDtrackingSector::~AliTRDtrackingSector()
	83	{
	84	//
	85	// Destructor
	86	//
	87
	88	}
	89
	90	//_____________________________________________________________________________
	91	void AliTRDtrackingSector::Init()
	92	{
	93	// Steer building of tracking chambers and build tracking sector.
	94	// Propagate radial position information (calibration/alignment aware) from chambers to sector level
	95	//
	96
	97	AliTRDtrackingChamber *tc = 0x0; int ic = 0;
7f7a8b7e	98	while((ic<kNChambersSector) && (tc = fChamber[ic++])) tc->Build(fGeom);
eb38ed55	99
053767a4	100	Int_t nl;
	101	for(int il=0; il<AliTRDgeometry::kNlayer; il++){
	102	fX0[il] = 0.; nl = 0;
	103	for(int is=0; is<AliTRDgeometry::kNstack; is++){
	104	Int_t idx = is*AliTRDgeometry::kNlayer + il;
eb38ed55	105	if(fIndex[idx]<0) continue;
eb38ed55	106	tc = GetChamber(fIndex[idx]);
053767a4	107	fX0[il] += tc->GetX(); nl++;
eb38ed55	108	}
053767a4	109	if(!nl){
eb38ed55	110	//printf("Could not estimate radial position of plane %d in sector %d.\n", ip, fSector);
	111	continue;
	112	}
053767a4	113	fX0[il] /= Float_t(nl);
eb38ed55	114	}
	115	}
	116	//_____________________________________________________________________________
	117	void AliTRDtrackingSector::Clear(const Option_t *opt)
	118	{
	119	// Reset counters and steer chamber clear
	120
	121	for(Int_t ich=0; ich<fN; ich++){
	122	fChamber[ich]->Clear(opt);
	123	delete fChamber[ich]; fChamber[ich] = 0x0; // I would avoid
	124	}
	125	for(Int_t ich=0; ich<kNChambersSector; ich++) fIndex[ich] = -1;
	126	fN = 0;
	127	}
	128
	129	//_____________________________________________________________________________
053767a4	130	AliTRDtrackingChamber* AliTRDtrackingSector::GetChamber(Int_t stack, Int_t layer, Bool_t build)
eb38ed55	131	{
	132	// Return chamber at position (stack, plane) in current
	133	// sector or build a new one if it is not already created
	134
053767a4	135	Int_t ch = stack*AliTRDgeometry::kNlayer + layer;
eb38ed55	136	if(fIndex[ch] >= 0) return fChamber[Int_t(fIndex[ch])];
	137	else if(!build) return 0x0;
	138
	139	// CHAMBER HAS TO BE BUILD
	140	Int_t rch = ch;do rch--; while(rch>=0 && fIndex[rch]<0);
	141	fIndex[ch] = rch >=0 ? fIndex[rch]+1 : 0;
	142	fN++;
	143
	144	memmove(&fChamber[Int_t(fIndex[ch])+1], &fChamber[Int_t(fIndex[ch])], (kNChambersSector-fIndex[ch]-1)sizeof(void));
	145	for(Int_t ic = ch+1; ic<kNChambersSector; ic++) fIndex[ic] += fIndex[ic] >= 0 ? 1 : 0;
	146
053767a4	147	return fChamber[Int_t(fIndex[ch])] = new AliTRDtrackingChamber(AliTRDgeometry::GetDetector(layer, stack, fSector));
eb38ed55	148	}
	149
	150	//_____________________________________________________________________________
	151	AliTRDtrackingChamber** AliTRDtrackingSector::GetStack(Int_t stack)
	152	{
	153	// Return chamber at position (stack, plane) in current
	154	// sector or build a new one if it is not already created
	155
053767a4	156	if(stack<0 \|\| stack>=AliTRDgeometry::kNstack) return 0x0;
eb38ed55	157
eb38ed55	158	Int_t ich, n = 0;
053767a4	159	for(int il=0; il<AliTRDgeometry::kNlayer; il++){
	160	ich = stack*AliTRDgeometry::kNlayer + il;
	161	if(fIndex[ich] < 0) fStack[il] = 0x0;
eb38ed55	162	else{
053767a4	163	fStack[il] = fChamber[Int_t(fIndex[ich])];
eb38ed55	164	n++;
	165	}
	166	}
	167
	168	return n ? &fStack[0] : 0x0;
	169	}
	170
	171	//_____________________________________________________________________________
	172	void AliTRDtrackingSector::Print(Option_t *)
	173	{
	174	// Dump info about this tracking sector and the tracking chamber within
	175	//
	176
	177	printf("\tSector %2d\n", fSector);
053767a4	178	for(int il=0; il<6; il++){
eb38ed55	179	for(int is =0; is<5; is++){
053767a4	180	Int_t ch = is*AliTRDgeometry::kNlayer + il;
eb38ed55	181	printf("%2d[%2d] ", fIndex[ch], fIndex[ch]>=0 ? fChamber[Int_t(fIndex[ch])]->GetNClusters() : 0);
	182	}
	183	printf("\n");
	184	}
	185
	186	}