[u/mrichter/AliRoot.git] / ITS / AliITSRecoParam.cxx

/**************************************************************************
 * Copyright(c) 2007-2009, 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.                  *
 **************************************************************************/

#include "AliITSRecoParam.h"

/* $Id$ */

///////////////////////////////////////////////////////////////////////////////
//                                                                           //
// Class with ITS reconstruction parameters                                  //
// Origin: andrea.dainese@lnl.infn.it                                        //
//                                                                           //
///////////////////////////////////////////////////////////////////////////////


ClassImp(AliITSRecoParam)

const Int_t AliITSRecoParam::fgkLayersNotToSkip[AliITSgeomTGeo::kNLayers]={0,0,0,0,0,0};
const Int_t AliITSRecoParam::fgkLastLayerToTrackTo=0;
const Int_t AliITSRecoParam::fgkMaxDetectorPerLayer=1000;
const Double_t AliITSRecoParam::fgkriw=80.0;
const Double_t AliITSRecoParam::fgkdiw=0.0053;
const Double_t AliITSRecoParam::fgkX0iw=30.0;
const Double_t AliITSRecoParam::fgkrcd=61.0;
const Double_t AliITSRecoParam::fgkdcd=0.0053;
const Double_t AliITSRecoParam::fgkX0cd=30.0;
const Double_t AliITSRecoParam::fgkyr=12.8;
const Double_t AliITSRecoParam::fgkdr=0.03;
const Double_t AliITSRecoParam::fgkzm=0.2;
const Double_t AliITSRecoParam::fgkdm=0.40;
const Double_t AliITSRecoParam::fgkrs=50.0;
const Double_t AliITSRecoParam::fgkds=0.001;
const Double_t AliITSRecoParam::fgkrInsideITSscreen=49.0;
const Double_t AliITSRecoParam::fgkrInsideSPD1=3.7;
const Double_t AliITSRecoParam::fgkrPipe=3.;
const Double_t AliITSRecoParam::fgkrInsidePipe=2.7;
const Double_t AliITSRecoParam::fgkrOutsidePipe=3.3;
const Double_t AliITSRecoParam::fgkdPipe=0.0028;
const Double_t AliITSRecoParam::fgkrInsideShield[2]={7.5,25.0};
const Double_t AliITSRecoParam::fgkrOutsideShield[2]={10.5,30.0};
const Double_t AliITSRecoParam::fgkdshield[2]={0.0097,0.0034};
const Double_t AliITSRecoParam::fgkX0shield[2]={38.6,42.0};
const Double_t AliITSRecoParam::fgkX0Air=21.82;
const Double_t AliITSRecoParam::fgkX0Be=65.19;
const Double_t AliITSRecoParam::fgkBoundaryWidth=0.2;
const Double_t AliITSRecoParam::fgkDeltaXNeighbDets=0.5;
const Double_t AliITSRecoParam::fgkSPDdetzlength=6.960; // 7.072-2*0.056
const Double_t AliITSRecoParam::fgkSPDdetxlength=1.298; // 1.410-2*0.056

//_____________________________________________________________________________
AliITSRecoParam::AliITSRecoParam() : TObject(),
fMaxSnp(1.),
fNSigmaYLayerForRoadY(0),
fNSigmaRoadY(0),
fNSigmaZLayerForRoadZ(0),
fNSigmaRoadZ(0),
fNSigma2RoadZC(0),
fNSigma2RoadYC(0),
fNSigma2RoadZNonC(0),
fNSigma2RoadYNonC(0),
fMaxNormChi2NonCForHypothesis(0),
fMaxChi2(0),
fMaxRoad(0),
fMaxChi2In(0),
fChi2PerCluster(0),
fXV(0), 
fYV(0),
fZV(0),
fSigmaXV(0),
fSigmaYV(0),
fSigmaZV(0),
fVertexCut(0),
fMaxDZforPrimTrk(0),
fMaxDZToUseConstraint(0), 
fMaxDforV0dghtrForProlongation(0),
fMaxDForProlongation(0),
fMaxDZForProlongation(0),
fMinPtForProlongation(0),
fAddVirtualClustersInDeadZone(kTRUE),
fZWindowDeadZone(0),
fSigmaXDeadZoneHit2(0),
fSigmaZDeadZoneHit2(0),
fXPassDeadZoneHits(0),
fUseTGeoInTracker(0),
fAllowSharedClusters(kTRUE),
fClusterErrorsParam(1),
fFindV0s(kTRUE),
fFactorSAWindowSizes(1.)
{
  //
  // constructor
  //
  SetLayersParameters();
  SetUseTGeoInTracker(0);
  SetAllowSharedClusters(kTRUE);
  SetFindV0s(kTRUE);
  SetAddVirtualClustersInDeadZone(kTRUE);
  SetUseAmplitudeInfo(kTRUE);
  SetClusterErrorsParam(1);
}
//_____________________________________________________________________________
AliITSRecoParam::~AliITSRecoParam() 
{
  //
  // destructor
  //  
}
//_____________________________________________________________________________
AliITSRecoParam *AliITSRecoParam::GetHighFluxParam() 
{
  //
  // make default reconstruction  parameters for hig  flux env.
  //
  AliITSRecoParam *param = new AliITSRecoParam();

  param->fMaxSnp = 0.95;

  param->fNSigmaYLayerForRoadY = 4.;
  param->fNSigmaRoadY = 7.5;
  param->fNSigmaZLayerForRoadZ = 4.;
  param->fNSigmaRoadZ = 7.5;

  param->fNSigma2RoadZC = 60.; //7.75^2
  param->fNSigma2RoadYC = 60.; //7.75^2
  param->fNSigma2RoadZNonC = 50.; //7.07^2
  param->fNSigma2RoadYNonC = 50.; //7.07^2

  param->fMaxChi2PerCluster[0] = 11.; //7
  param->fMaxChi2PerCluster[1] = 12.; //5
  param->fMaxChi2PerCluster[2] = 12.; //8
  param->fMaxChi2PerCluster[3] = 5.;  //8
  param->fMaxChi2PerCluster[4] = 12.; //6.5

  param->fMaxNormChi2NonC[0] = 7.;
  param->fMaxNormChi2NonC[1] = 8.;
  param->fMaxNormChi2NonC[2] = 8.;
  param->fMaxNormChi2NonC[3] = 11.;
  param->fMaxNormChi2NonC[4] = 14.;
  param->fMaxNormChi2NonC[5] = 25.;

  param->fMaxNormChi2C[0] = 11.;
  param->fMaxNormChi2C[1] = 13.;
  param->fMaxNormChi2C[2] = 15.;
  param->fMaxNormChi2C[3] = 18.;
  param->fMaxNormChi2C[4] = 30.;
  param->fMaxNormChi2C[5] = 35.;

  param->fMaxNormChi2NonCForHypothesis = 7.;
  
  param->fMaxChi2 = 35.;

  param->fMaxChi2s[0] = 25.; //40   
  param->fMaxChi2s[1] = 25.; //40   
  param->fMaxChi2s[2] = 25.; //40   
  param->fMaxChi2s[3] = 25.; //40   
  param->fMaxChi2s[4] = 40.; //40   
  param->fMaxChi2s[5] = 50.; //40

  param->fMaxRoad = 6.;

  // not used
  param->fMaxChi2In = 16.;
   
  param->fMaxChi2sR[0] = 10.;   
  param->fMaxChi2sR[1] = 10.;   
  param->fMaxChi2sR[2] = 10.;   
  param->fMaxChi2sR[3] = 10.;   
  param->fMaxChi2sR[4] = 30.;   
  param->fMaxChi2sR[5] = 40.;   

  param->fChi2PerCluster = 9.;
  // not used

  param->fXV = 0.;
  param->fYV = 0.;
  param->fZV = 0.;
  param->fSigmaXV = 0.0050;
  param->fSigmaYV = 0.0050;
  param->fSigmaZV = 0.0100;

  param->fVertexCut = 25.;

  param->fMaxDZforPrimTrk = 0.4;
  param->fMaxDZToUseConstraint = 3.;

  param->fMaxDforV0dghtrForProlongation = 30.;
  param->fMaxDForProlongation = 10.;
  param->fMaxDZForProlongation = 20.;
  param->fMinPtForProlongation = 0.120;

  param->fZWindowDeadZone = 2.0;
  param->fSigmaXDeadZoneHit2 = 0.004/12.;
  param->fSigmaZDeadZoneHit2 = 0.001/12.;
  param->fXPassDeadZoneHits = 0.018;

  
  return param;
}
//_____________________________________________________________________________
AliITSRecoParam *AliITSRecoParam::GetLowFluxParam() 
{
  //
  // make default reconstruction  parameters for low  flux env.
  //
  return GetHighFluxParam();
}
//_____________________________________________________________________________
AliITSRecoParam *AliITSRecoParam::GetCosmicTestParam() 
{
  //
  // make default reconstruction  parameters for cosmics
  //
  AliITSRecoParam *param = new AliITSRecoParam();

  param->SetFactorSAWindowSizes(3.);

  param->fMaxSnp = 0.95;

  param->fNSigmaYLayerForRoadY = 4.;
  param->fNSigmaRoadY = 7.5;
  param->fNSigmaZLayerForRoadZ = 4.;
  param->fNSigmaRoadZ = 7.5;

  param->fNSigma2RoadZC = 60.; //7.75^2
  param->fNSigma2RoadYC = 60.; //7.75^2
  param->fNSigma2RoadZNonC = 50.; //7.07^2
  param->fNSigma2RoadYNonC = 50.; //7.07^2

  param->fMaxChi2PerCluster[0] = 11.; //7
  param->fMaxChi2PerCluster[1] = 12.; //5
  param->fMaxChi2PerCluster[2] = 12.; //8
  param->fMaxChi2PerCluster[3] = 5.;  //8
  param->fMaxChi2PerCluster[4] = 12.; //6.5

  param->fMaxNormChi2NonC[0] = 7.;
  param->fMaxNormChi2NonC[1] = 8.;
  param->fMaxNormChi2NonC[2] = 8.;
  param->fMaxNormChi2NonC[3] = 11.;
  param->fMaxNormChi2NonC[4] = 14.;
  param->fMaxNormChi2NonC[5] = 25.;

  param->fMaxNormChi2C[0] = 11.;
  param->fMaxNormChi2C[1] = 13.;
  param->fMaxNormChi2C[2] = 15.;
  param->fMaxNormChi2C[3] = 18.;
  param->fMaxNormChi2C[4] = 30.;
  param->fMaxNormChi2C[5] = 35.;

  param->fMaxNormChi2NonCForHypothesis = 7.;
  
  param->fMaxChi2 = 35.;

  param->fMaxChi2s[0] = 25.; //40   
  param->fMaxChi2s[1] = 25.; //40   
  param->fMaxChi2s[2] = 25.; //40   
  param->fMaxChi2s[3] = 25.; //40   
  param->fMaxChi2s[4] = 40.; //40   
  param->fMaxChi2s[5] = 50.; //40

  param->fMaxRoad = 6.;

  // not used
  param->fMaxChi2In = 16.;
   
  param->fMaxChi2sR[0] = 10.;   
  param->fMaxChi2sR[1] = 10.;   
  param->fMaxChi2sR[2] = 10.;   
  param->fMaxChi2sR[3] = 10.;   
  param->fMaxChi2sR[4] = 30.;   
  param->fMaxChi2sR[5] = 40.;   

  param->fChi2PerCluster = 9.;
  // not used

  param->fXV = 0.;
  param->fYV = 0.;
  param->fZV = 0.;
  param->fSigmaXV = 0.0050;
  param->fSigmaYV = 0.0050;
  param->fSigmaZV = 0.0100;

  param->fVertexCut = 25.;

  param->fMaxDZforPrimTrk = 0.4;
  param->fMaxDZToUseConstraint = 3.;

  param->fMaxDforV0dghtrForProlongation = 30.;
  param->fMaxDForProlongation = 10.;
  param->fMaxDZForProlongation = 20.;
  param->fMinPtForProlongation = 0.120;

  param->fZWindowDeadZone = 2.0;
  param->fSigmaXDeadZoneHit2 = 0.004/12.;
  param->fSigmaZDeadZoneHit2 = 0.001/12.;
  param->fXPassDeadZoneHits = 0.018;

  
  return param;
}
//_____________________________________________________________________________
void AliITSRecoParam::SetLayersParameters() 
{
  //
  // number of layers and layers spatial resolutions
  //

  // spatial resolutions of the detectors
  // y: 12 12 38 38 20 20 micron
  fSigmaY2[0]=1.44e-6;
  fSigmaY2[1]=1.44e-6;
  fSigmaY2[2]=1.444e-5;
  fSigmaY2[3]=1.444e-5;
  fSigmaY2[4]=4.0e-6;
  fSigmaY2[5]=4.0e-6;
  // z: 120 120 28 28 830 830 micron
  fSigmaZ2[0]=1.44e-4;
  fSigmaZ2[1]=1.44e-4;
  fSigmaZ2[2]=7.84e-6;
  fSigmaZ2[3]=7.84e-6;
  fSigmaZ2[4]=6.889e-3;
  fSigmaZ2[5]=6.889e-3;

  return;
}
Commit	Line	Data
44347160	1	/**************************************************************************
572f41f9	2	* Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
44347160	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
572f41f9	16	#include "AliITSRecoParam.h"
	17
	18	/* $Id$ */
44347160	19
	20	///////////////////////////////////////////////////////////////////////////////
	21	// //
	22	// Class with ITS reconstruction parameters //
	23	// Origin: andrea.dainese@lnl.infn.it //
	24	// //
	25	///////////////////////////////////////////////////////////////////////////////
	26
	27
44347160	28
	29	ClassImp(AliITSRecoParam)
	30
e50912db	31	const Int_t AliITSRecoParam::fgkLayersNotToSkip[AliITSgeomTGeo::kNLayers]={0,0,0,0,0,0};
	32	const Int_t AliITSRecoParam::fgkLastLayerToTrackTo=0;
	33	const Int_t AliITSRecoParam::fgkMaxDetectorPerLayer=1000;
	34	const Double_t AliITSRecoParam::fgkriw=80.0;
	35	const Double_t AliITSRecoParam::fgkdiw=0.0053;
	36	const Double_t AliITSRecoParam::fgkX0iw=30.0;
	37	const Double_t AliITSRecoParam::fgkrcd=61.0;
	38	const Double_t AliITSRecoParam::fgkdcd=0.0053;
	39	const Double_t AliITSRecoParam::fgkX0cd=30.0;
	40	const Double_t AliITSRecoParam::fgkyr=12.8;
	41	const Double_t AliITSRecoParam::fgkdr=0.03;
	42	const Double_t AliITSRecoParam::fgkzm=0.2;
	43	const Double_t AliITSRecoParam::fgkdm=0.40;
	44	const Double_t AliITSRecoParam::fgkrs=50.0;
	45	const Double_t AliITSRecoParam::fgkds=0.001;
	46	const Double_t AliITSRecoParam::fgkrInsideITSscreen=49.0;
	47	const Double_t AliITSRecoParam::fgkrInsideSPD1=3.7;
	48	const Double_t AliITSRecoParam::fgkrPipe=3.;
	49	const Double_t AliITSRecoParam::fgkrInsidePipe=2.7;
	50	const Double_t AliITSRecoParam::fgkrOutsidePipe=3.3;
	51	const Double_t AliITSRecoParam::fgkdPipe=0.0028;
	52	const Double_t AliITSRecoParam::fgkrInsideShield[2]={7.5,25.0};
	53	const Double_t AliITSRecoParam::fgkrOutsideShield[2]={10.5,30.0};
	54	const Double_t AliITSRecoParam::fgkdshield[2]={0.0097,0.0034};
	55	const Double_t AliITSRecoParam::fgkX0shield[2]={38.6,42.0};
	56	const Double_t AliITSRecoParam::fgkX0Air=21.82;
	57	const Double_t AliITSRecoParam::fgkX0Be=65.19;
	58	const Double_t AliITSRecoParam::fgkBoundaryWidth=0.2;
	59	const Double_t AliITSRecoParam::fgkDeltaXNeighbDets=0.5;
	60	const Double_t AliITSRecoParam::fgkSPDdetzlength=6.960; // 7.072-2*0.056
	61	const Double_t AliITSRecoParam::fgkSPDdetxlength=1.298; // 1.410-2*0.056
44347160	62
44347160	63	//_____________________________________________________________________________
572f41f9	64	AliITSRecoParam::AliITSRecoParam() : TObject(),
e50912db	65	fMaxSnp(1.),
572f41f9	66	fNSigmaYLayerForRoadY(0),
	67	fNSigmaRoadY(0),
	68	fNSigmaZLayerForRoadZ(0),
	69	fNSigmaRoadZ(0),
	70	fNSigma2RoadZC(0),
	71	fNSigma2RoadYC(0),
	72	fNSigma2RoadZNonC(0),
	73	fNSigma2RoadYNonC(0),
	74	fMaxNormChi2NonCForHypothesis(0),
	75	fMaxChi2(0),
	76	fMaxRoad(0),
	77	fMaxChi2In(0),
	78	fChi2PerCluster(0),
	79	fXV(0),
	80	fYV(0),
	81	fZV(0),
	82	fSigmaXV(0),
	83	fSigmaYV(0),
	84	fSigmaZV(0),
	85	fVertexCut(0),
	86	fMaxDZforPrimTrk(0),
	87	fMaxDZToUseConstraint(0),
	88	fMaxDforV0dghtrForProlongation(0),
	89	fMaxDForProlongation(0),
	90	fMaxDZForProlongation(0),
	91	fMinPtForProlongation(0),
	92	fAddVirtualClustersInDeadZone(kTRUE),
	93	fZWindowDeadZone(0),
	94	fSigmaXDeadZoneHit2(0),
	95	fSigmaZDeadZoneHit2(0),
	96	fXPassDeadZoneHits(0),
e50912db	97	fUseTGeoInTracker(0),
572f41f9	98	fAllowSharedClusters(kTRUE),
e50912db	99	fClusterErrorsParam(1),
e340bb86	100	fFindV0s(kTRUE),
e340bb86	101	fFactorSAWindowSizes(1.)
44347160	102	{
	103	//
	104	// constructor
	105	//
	106	SetLayersParameters();
e50912db	107	SetUseTGeoInTracker(0);
afd25725	108	SetAllowSharedClusters(kTRUE);
	109	SetFindV0s(kTRUE);
	110	SetAddVirtualClustersInDeadZone(kTRUE);
572f41f9	111	SetUseAmplitudeInfo(kTRUE);
e50912db	112	SetClusterErrorsParam(1);
44347160	113	}
	114	//_____________________________________________________________________________
	115	AliITSRecoParam::~AliITSRecoParam()
	116	{
	117	//
	118	// destructor
	119	//
	120	}
	121	//_____________________________________________________________________________
	122	AliITSRecoParam *AliITSRecoParam::GetHighFluxParam()
	123	{
	124	//
	125	// make default reconstruction parameters for hig flux env.
	126	//
	127	AliITSRecoParam *param = new AliITSRecoParam();
	128
	129	param->fMaxSnp = 0.95;
	130
	131	param->fNSigmaYLayerForRoadY = 4.;
	132	param->fNSigmaRoadY = 7.5;
	133	param->fNSigmaZLayerForRoadZ = 4.;
	134	param->fNSigmaRoadZ = 7.5;
	135
	136	param->fNSigma2RoadZC = 60.; //7.75^2
	137	param->fNSigma2RoadYC = 60.; //7.75^2
	138	param->fNSigma2RoadZNonC = 50.; //7.07^2
	139	param->fNSigma2RoadYNonC = 50.; //7.07^2
	140
	141	param->fMaxChi2PerCluster[0] = 11.; //7
	142	param->fMaxChi2PerCluster[1] = 12.; //5
	143	param->fMaxChi2PerCluster[2] = 12.; //8
	144	param->fMaxChi2PerCluster[3] = 5.; //8
	145	param->fMaxChi2PerCluster[4] = 12.; //6.5
	146
	147	param->fMaxNormChi2NonC[0] = 7.;
	148	param->fMaxNormChi2NonC[1] = 8.;
	149	param->fMaxNormChi2NonC[2] = 8.;
	150	param->fMaxNormChi2NonC[3] = 11.;
	151	param->fMaxNormChi2NonC[4] = 14.;
	152	param->fMaxNormChi2NonC[5] = 25.;
	153
	154	param->fMaxNormChi2C[0] = 11.;
	155	param->fMaxNormChi2C[1] = 13.;
	156	param->fMaxNormChi2C[2] = 15.;
	157	param->fMaxNormChi2C[3] = 18.;
	158	param->fMaxNormChi2C[4] = 30.;
	159	param->fMaxNormChi2C[5] = 35.;
afd25725	160
afd25725	161	param->fMaxNormChi2NonCForHypothesis = 7.;
44347160	162
	163	param->fMaxChi2 = 35.;
	164
	165	param->fMaxChi2s[0] = 25.; //40
	166	param->fMaxChi2s[1] = 25.; //40
	167	param->fMaxChi2s[2] = 25.; //40
	168	param->fMaxChi2s[3] = 25.; //40
	169	param->fMaxChi2s[4] = 40.; //40
	170	param->fMaxChi2s[5] = 50.; //40
	171
	172	param->fMaxRoad = 6.;
	173
	174	// not used
	175	param->fMaxChi2In = 16.;
	176
	177	param->fMaxChi2sR[0] = 10.;
	178	param->fMaxChi2sR[1] = 10.;
	179	param->fMaxChi2sR[2] = 10.;
	180	param->fMaxChi2sR[3] = 10.;
	181	param->fMaxChi2sR[4] = 30.;
	182	param->fMaxChi2sR[5] = 40.;
	183
	184	param->fChi2PerCluster = 9.;
	185	// not used
	186
	187	param->fXV = 0.;
	188	param->fYV = 0.;
	189	param->fZV = 0.;
	190	param->fSigmaXV = 0.0050;
	191	param->fSigmaYV = 0.0050;
	192	param->fSigmaZV = 0.0100;
	193
	194	param->fVertexCut = 25.;
afd25725	195
	196	param->fMaxDZforPrimTrk = 0.4;
	197	param->fMaxDZToUseConstraint = 3.;
	198
	199	param->fMaxDforV0dghtrForProlongation = 30.;
	200	param->fMaxDForProlongation = 10.;
	201	param->fMaxDZForProlongation = 20.;
	202	param->fMinPtForProlongation = 0.120;
	203
	204	param->fZWindowDeadZone = 2.0;
	205	param->fSigmaXDeadZoneHit2 = 0.004/12.;
	206	param->fSigmaZDeadZoneHit2 = 0.001/12.;
	207	param->fXPassDeadZoneHits = 0.018;
	208
44347160	209
	210	return param;
	211	}
	212	//_____________________________________________________________________________
	213	AliITSRecoParam *AliITSRecoParam::GetLowFluxParam()
	214	{
	215	//
	216	// make default reconstruction parameters for low flux env.
	217	//
	218	return GetHighFluxParam();
	219	}
	220	//_____________________________________________________________________________
	221	AliITSRecoParam *AliITSRecoParam::GetCosmicTestParam()
	222	{
	223	//
	224	// make default reconstruction parameters for cosmics
	225	//
e340bb86	226	AliITSRecoParam *param = new AliITSRecoParam();
	227
	228	param->SetFactorSAWindowSizes(3.);
	229
	230	param->fMaxSnp = 0.95;
	231
	232	param->fNSigmaYLayerForRoadY = 4.;
	233	param->fNSigmaRoadY = 7.5;
	234	param->fNSigmaZLayerForRoadZ = 4.;
	235	param->fNSigmaRoadZ = 7.5;
	236
	237	param->fNSigma2RoadZC = 60.; //7.75^2
	238	param->fNSigma2RoadYC = 60.; //7.75^2
	239	param->fNSigma2RoadZNonC = 50.; //7.07^2
	240	param->fNSigma2RoadYNonC = 50.; //7.07^2
	241
	242	param->fMaxChi2PerCluster[0] = 11.; //7
	243	param->fMaxChi2PerCluster[1] = 12.; //5
	244	param->fMaxChi2PerCluster[2] = 12.; //8
	245	param->fMaxChi2PerCluster[3] = 5.; //8
	246	param->fMaxChi2PerCluster[4] = 12.; //6.5
	247
	248	param->fMaxNormChi2NonC[0] = 7.;
	249	param->fMaxNormChi2NonC[1] = 8.;
	250	param->fMaxNormChi2NonC[2] = 8.;
	251	param->fMaxNormChi2NonC[3] = 11.;
	252	param->fMaxNormChi2NonC[4] = 14.;
	253	param->fMaxNormChi2NonC[5] = 25.;
	254
	255	param->fMaxNormChi2C[0] = 11.;
	256	param->fMaxNormChi2C[1] = 13.;
	257	param->fMaxNormChi2C[2] = 15.;
	258	param->fMaxNormChi2C[3] = 18.;
	259	param->fMaxNormChi2C[4] = 30.;
	260	param->fMaxNormChi2C[5] = 35.;
	261
	262	param->fMaxNormChi2NonCForHypothesis = 7.;
	263
	264	param->fMaxChi2 = 35.;
	265
	266	param->fMaxChi2s[0] = 25.; //40
	267	param->fMaxChi2s[1] = 25.; //40
	268	param->fMaxChi2s[2] = 25.; //40
	269	param->fMaxChi2s[3] = 25.; //40
	270	param->fMaxChi2s[4] = 40.; //40
	271	param->fMaxChi2s[5] = 50.; //40
	272
	273	param->fMaxRoad = 6.;
	274
	275	// not used
	276	param->fMaxChi2In = 16.;
	277
	278	param->fMaxChi2sR[0] = 10.;
	279	param->fMaxChi2sR[1] = 10.;
	280	param->fMaxChi2sR[2] = 10.;
	281	param->fMaxChi2sR[3] = 10.;
	282	param->fMaxChi2sR[4] = 30.;
	283	param->fMaxChi2sR[5] = 40.;
	284
	285	param->fChi2PerCluster = 9.;
	286	// not used
	287
	288	param->fXV = 0.;
	289	param->fYV = 0.;
290	param->fZV = 0.;
291	param->fSigmaXV = 0.0050;
292	param->fSigmaYV = 0.0050;
293	param->fSigmaZV = 0.0100;
294
295	param->fVertexCut = 25.;
296
297	param->fMaxDZforPrimTrk = 0.4;
298	param->fMaxDZToUseConstraint = 3.;
299
300	param->fMaxDforV0dghtrForProlongation = 30.;
301	param->fMaxDForProlongation = 10.;
302	param->fMaxDZForProlongation = 20.;
303	param->fMinPtForProlongation = 0.120;
304
305	param->fZWindowDeadZone = 2.0;
306	param->fSigmaXDeadZoneHit2 = 0.004/12.;
307	param->fSigmaZDeadZoneHit2 = 0.001/12.;
308	param->fXPassDeadZoneHits = 0.018;
309
310
311	return param;
44347160	312	}
	313	//_____________________________________________________________________________
	314	void AliITSRecoParam::SetLayersParameters()
	315	{
	316	//
	317	// number of layers and layers spatial resolutions
	318	//
	319
	320	// spatial resolutions of the detectors
	321	// y: 12 12 38 38 20 20 micron
	322	fSigmaY2[0]=1.44e-6;
	323	fSigmaY2[1]=1.44e-6;
	324	fSigmaY2[2]=1.444e-5;
	325	fSigmaY2[3]=1.444e-5;
	326	fSigmaY2[4]=4.0e-6;
	327	fSigmaY2[5]=4.0e-6;
	328	// z: 120 120 28 28 830 830 micron
	329	fSigmaZ2[0]=1.44e-4;
	330	fSigmaZ2[1]=1.44e-4;
	331	fSigmaZ2[2]=7.84e-6;
	332	fSigmaZ2[3]=7.84e-6;
	333	fSigmaZ2[4]=6.889e-3;
	334	fSigmaZ2[5]=6.889e-3;
	335
	336	return;
	337	}
	338