[u/mrichter/AliRoot.git] / HLT / TPCLib / tracking-ca / AliHLTTPCCAParam.cxx

// @(#) $Id$
// **************************************************************************
// This file is property of and copyright by the ALICE HLT Project          *
// ALICE Experiment at CERN, All rights reserved.                           *
//                                                                          *
// Primary Authors: Sergey Gorbunov <sergey.gorbunov@kip.uni-heidelberg.de> *
//                  Ivan Kisel <kisel@kip.uni-heidelberg.de>                *
//                  for The ALICE HLT Project.                              *
//                                                                          *
// 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 "AliHLTTPCCAParam.h"
#include "AliHLTTPCCAMath.h"


#if !defined(HLTCA_GPUCODE)

GPUd() AliHLTTPCCAParam::AliHLTTPCCAParam()
    : fISlice( 0 ), fNRows( 63 ), fAlpha( 0.174533 ), fDAlpha( 0.349066 ),
    fCosAlpha( 0 ), fSinAlpha( 0 ), fAngleMin( 0 ), fAngleMax( 0 ), fRMin( 83.65 ), fRMax( 133.3 ),
    fZMin( 0.0529937 ), fZMax( 249.778 ), fErrX( 0 ), fErrY( 0 ), fErrZ( 0.228808 ), fPadPitch( 0.4 ), fBzkG( 5. ),
      fConstBz(5.*0.000299792458), fHitPickUpFactor( 1. ),
    fMaxTrackMatchDRow( 4 ), fTrackConnectionFactor( 3.5 ), fTrackChiCut( 3.5 ), fTrackChi2Cut( 10 )
{
  // constructor
  fParamS0Par[0][0][0] = 0.00047013;
  fParamS0Par[0][0][1] = 2.00135e-05;
  fParamS0Par[0][0][2] = 0.0106533;
  fParamS0Par[0][0][3] = 5.27104e-08;
  fParamS0Par[0][0][4] = 0.012829;
  fParamS0Par[0][0][5] = 0.000147125;
  fParamS0Par[0][0][6] = 4.99432;
  fParamS0Par[0][1][0] = 0.000883342;
  fParamS0Par[0][1][1] = 1.07011e-05;
  fParamS0Par[0][1][2] = 0.0103187;
  fParamS0Par[0][1][3] = 4.25141e-08;
  fParamS0Par[0][1][4] = 0.0224292;
  fParamS0Par[0][1][5] = 8.27274e-05;
  fParamS0Par[0][1][6] = 4.17233;
  fParamS0Par[0][2][0] = 0.000745399;
  fParamS0Par[0][2][1] = 5.62408e-06;
  fParamS0Par[0][2][2] = 0.0151562;
  fParamS0Par[0][2][3] = 5.08757e-08;
  fParamS0Par[0][2][4] = 0.0601004;
  fParamS0Par[0][2][5] = 7.97129e-05;
  fParamS0Par[0][2][6] = 4.84913;
  fParamS0Par[1][0][0] = 0.00215126;
  fParamS0Par[1][0][1] = 6.82233e-05;
  fParamS0Par[1][0][2] = 0.0221867;
  fParamS0Par[1][0][3] = -6.27825e-09;
  fParamS0Par[1][0][4] = -0.00745378;
  fParamS0Par[1][0][5] = 0.000172629;
  fParamS0Par[1][0][6] = 6.24987;
  fParamS0Par[1][1][0] = 0.00181667;
  fParamS0Par[1][1][1] = -4.17772e-06;
  fParamS0Par[1][1][2] = 0.0253429;
  fParamS0Par[1][1][3] = 1.3011e-07;
  fParamS0Par[1][1][4] = -0.00362827;
  fParamS0Par[1][1][5] = 0.00030406;
  fParamS0Par[1][1][6] = 17.7775;
  fParamS0Par[1][2][0] = 0.00158251;
  fParamS0Par[1][2][1] = -3.55911e-06;
  fParamS0Par[1][2][2] = 0.0247899;
  fParamS0Par[1][2][3] = 7.20604e-08;
  fParamS0Par[1][2][4] = 0.0179946;
  fParamS0Par[1][2][5] = 0.000425504;
  fParamS0Par[1][2][6] = 20.9294;


  Update();
}
#endif

GPUd() void AliHLTTPCCAParam::Initialize( int iSlice,
    int nRows, float rowX[],
    float alpha, float dAlpha,
    float rMin, float rMax,
    float zMin, float zMax,
    float padPitch, float zSigma,
    float bz
                                        )
{
  // initialization
  fISlice = iSlice;
  fAlpha = alpha;
  fDAlpha = dAlpha;
  fRMin = rMin;
  fRMax = rMax;
  fZMin = zMin;
  fZMax = zMax;
  fPadPitch = padPitch;
  fErrY = 1.; // not in use
  fErrZ = zSigma;
  fBzkG = bz;
  fNRows = nRows;
  for ( int irow = 0; irow < nRows; irow++ ) {
    fRowX[irow] = rowX[irow];
    //std::cout << " row " << irow << " x= " << rowX[irow] << std::endl;
  }

  Update();
}

GPUd() void AliHLTTPCCAParam::Update()
{
  // update of calculated values

  const double kCLight = 0.000299792458;
  fConstBz = fBzkG * kCLight;

  fPolinomialFieldBz[0] = fConstBz * (  0.999286   );
  fPolinomialFieldBz[1] = fConstBz * ( -4.54386e-7 );
  fPolinomialFieldBz[2] = fConstBz * (  2.32950e-5 );
  fPolinomialFieldBz[3] = fConstBz * ( -2.99912e-7 );
  fPolinomialFieldBz[4] = fConstBz * ( -2.03442e-8 );
  fPolinomialFieldBz[5] = fConstBz * (  9.71402e-8 );

  fCosAlpha = CAMath::Cos( fAlpha );
  fSinAlpha = CAMath::Sin( fAlpha );
  fAngleMin = fAlpha - fDAlpha / 2.;
  fAngleMax = fAlpha + fDAlpha / 2.;
  fErrX = fPadPitch / CAMath::Sqrt( 12. );
  fTrackChi2Cut = fTrackChiCut * fTrackChiCut;
}

GPUd() void AliHLTTPCCAParam::Slice2Global( float x, float y,  float z,
    float *X, float *Y,  float *Z ) const
{
  // conversion of coorinates sector->global
  *X = x * fCosAlpha - y * fSinAlpha;
  *Y = y * fCosAlpha + x * fSinAlpha;
  *Z = z;
}

GPUd() void AliHLTTPCCAParam::Global2Slice( float X, float Y,  float Z,
    float *x, float *y,  float *z ) const
{
  // conversion of coorinates global->sector
  *x = X * fCosAlpha + Y * fSinAlpha;
  *y = Y * fCosAlpha - X * fSinAlpha;
  *z = Z;
}

GPUd() float AliHLTTPCCAParam::GetClusterError2( int yz, int type, float z, float angle ) const
{
  //* recalculate the cluster error wih respect to the track slope

  float angle2 = angle * angle;
  const float *c = fParamS0Par[yz][type];
  float v = c[0] + z * ( c[1] + c[3] * z ) + angle2 * ( c[2] + angle2 * c[4] + c[5] * z );
  return CAMath::Abs( v );
}

GPUd() void AliHLTTPCCAParam::GetClusterErrors2( int iRow, float z, float sinPhi, float cosPhi, float DzDs, float &Err2Y, float &Err2Z ) const
{
  //
  // Use calibrated cluster error from OCDB
  //

  z = CAMath::Abs( ( 250. - 0.275 ) - CAMath::Abs( z ) );
  int    type = ( iRow < 63 ) ? 0 : ( ( iRow > 126 ) ? 1 : 2 );
  float cosPhiInv = CAMath::Abs( cosPhi ) > 1.e-2 ? 1. / cosPhi : 0;
  float angleY = sinPhi * cosPhiInv ; // dy/dx
  float angleZ = DzDs * cosPhiInv ; // dz/dx

  Err2Y = GetClusterError2( 0, type, z, angleY );
  Err2Z = GetClusterError2( 1, type, z, angleZ );
}


GPUh() void AliHLTTPCCAParam::WriteSettings( std::ostream &out ) const
{
  // write settings to the file
  out << fISlice << std::endl;
  out << fNRows << std::endl;
  out << fAlpha << std::endl;
  out << fDAlpha << std::endl;
  out << fCosAlpha << std::endl;
  out << fSinAlpha << std::endl;
  out << fAngleMin << std::endl;
  out << fAngleMax << std::endl;
  out << fRMin << std::endl;
  out << fRMax << std::endl;
  out << fZMin << std::endl;
  out << fZMax << std::endl;
  out << fErrX << std::endl;
  out << fErrY << std::endl;
  out << fErrZ << std::endl;
  out << fPadPitch << std::endl;
  out << fBzkG << std::endl;
  out << fHitPickUpFactor << std::endl;
  out << fMaxTrackMatchDRow << std::endl;
  out << fTrackConnectionFactor << std::endl;
  out << fTrackChiCut << std::endl;
  out << fTrackChi2Cut << std::endl;
  for ( int iRow = 0; iRow < fNRows; iRow++ ) {
    out << fRowX[iRow] << std::endl;
  }
  out << std::endl;
  for ( int i = 0; i < 2; i++ )
    for ( int j = 0; j < 3; j++ )
      for ( int k = 0; k < 7; k++ )
        out << fParamS0Par[i][j][k] << std::endl;
  out << std::endl;
}

GPUh() void AliHLTTPCCAParam::ReadSettings( std::istream &in )
{
  // Read settings from the file

  in >> fISlice;
  in >> fNRows;
  in >> fAlpha;
  in >> fDAlpha;
  in >> fCosAlpha;
  in >> fSinAlpha;
  in >> fAngleMin;
  in >> fAngleMax;
  in >> fRMin;
  in >> fRMax;
  in >> fZMin;
  in >> fZMax;
  in >> fErrX;
  in >> fErrY;
  in >> fErrZ;
  in >> fPadPitch;
  in >> fBzkG;
  in >> fHitPickUpFactor;
  in >> fMaxTrackMatchDRow;
  in >> fTrackConnectionFactor;
  in >> fTrackChiCut;
  in >> fTrackChi2Cut;
  for ( int iRow = 0; iRow < fNRows; iRow++ ) {
    in >> fRowX[iRow];
  }
  for ( int i = 0; i < 2; i++ )
    for ( int j = 0; j < 3; j++ )
      for ( int k = 0; k < 7; k++ )
        in >> fParamS0Par[i][j][k];
}
Commit	Line	Data
326c2d4b	1	// @(#) $Id$
ce565086	2	// **************************************************************************
fbb9b71b	3	// This file is property of and copyright by the ALICE HLT Project *
d54804bf	4	// ALICE Experiment at CERN, All rights reserved. *
	5	// *
	6	// Primary Authors: Sergey Gorbunov <sergey.gorbunov@kip.uni-heidelberg.de> *
	7	// Ivan Kisel <kisel@kip.uni-heidelberg.de> *
	8	// for The ALICE HLT Project. *
	9	// *
	10	// Permission to use, copy, modify and distribute this software and its *
	11	// documentation strictly for non-commercial purposes is hereby granted *
	12	// without fee, provided that the above copyright notice appears in all *
	13	// copies and that both the copyright notice and this permission notice *
	14	// appear in the supporting documentation. The authors make no claims *
	15	// about the suitability of this software for any purpose. It is *
	16	// provided "as is" without express or implied warranty. *
ce565086	17	// *
d54804bf	18	//***************************************************************************
326c2d4b	19
ce565086	20
326c2d4b	21	#include "AliHLTTPCCAParam.h"
00d07bcd	22	#include "AliHLTTPCCAMath.h"
326c2d4b	23
326c2d4b	24
fbb9b71b	25	#if !defined(HLTCA_GPUCODE)
00d07bcd	26
00d07bcd	27	GPUd() AliHLTTPCCAParam::AliHLTTPCCAParam()
fbb9b71b	28	: fISlice( 0 ), fNRows( 63 ), fAlpha( 0.174533 ), fDAlpha( 0.349066 ),
fbb9b71b	29	fCosAlpha( 0 ), fSinAlpha( 0 ), fAngleMin( 0 ), fAngleMax( 0 ), fRMin( 83.65 ), fRMax( 133.3 ),
91794c67	30	fZMin( 0.0529937 ), fZMax( 249.778 ), fErrX( 0 ), fErrY( 0 ), fErrZ( 0.228808 ), fPadPitch( 0.4 ), fBzkG( 5. ),
91794c67	31	fConstBz(5.*0.000299792458), fHitPickUpFactor( 1. ),
fbb9b71b	32	fMaxTrackMatchDRow( 4 ), fTrackConnectionFactor( 3.5 ), fTrackChiCut( 3.5 ), fTrackChi2Cut( 10 )
326c2d4b	33	{
00d07bcd	34	// constructor
eb30eb49	35	fParamS0Par[0][0][0] = 0.00047013;
	36	fParamS0Par[0][0][1] = 2.00135e-05;
	37	fParamS0Par[0][0][2] = 0.0106533;
	38	fParamS0Par[0][0][3] = 5.27104e-08;
	39	fParamS0Par[0][0][4] = 0.012829;
	40	fParamS0Par[0][0][5] = 0.000147125;
	41	fParamS0Par[0][0][6] = 4.99432;
	42	fParamS0Par[0][1][0] = 0.000883342;
	43	fParamS0Par[0][1][1] = 1.07011e-05;
	44	fParamS0Par[0][1][2] = 0.0103187;
	45	fParamS0Par[0][1][3] = 4.25141e-08;
	46	fParamS0Par[0][1][4] = 0.0224292;
	47	fParamS0Par[0][1][5] = 8.27274e-05;
	48	fParamS0Par[0][1][6] = 4.17233;
	49	fParamS0Par[0][2][0] = 0.000745399;
	50	fParamS0Par[0][2][1] = 5.62408e-06;
	51	fParamS0Par[0][2][2] = 0.0151562;
	52	fParamS0Par[0][2][3] = 5.08757e-08;
	53	fParamS0Par[0][2][4] = 0.0601004;
	54	fParamS0Par[0][2][5] = 7.97129e-05;
	55	fParamS0Par[0][2][6] = 4.84913;
	56	fParamS0Par[1][0][0] = 0.00215126;
	57	fParamS0Par[1][0][1] = 6.82233e-05;
	58	fParamS0Par[1][0][2] = 0.0221867;
	59	fParamS0Par[1][0][3] = -6.27825e-09;
	60	fParamS0Par[1][0][4] = -0.00745378;
	61	fParamS0Par[1][0][5] = 0.000172629;
	62	fParamS0Par[1][0][6] = 6.24987;
	63	fParamS0Par[1][1][0] = 0.00181667;
	64	fParamS0Par[1][1][1] = -4.17772e-06;
	65	fParamS0Par[1][1][2] = 0.0253429;
	66	fParamS0Par[1][1][3] = 1.3011e-07;
	67	fParamS0Par[1][1][4] = -0.00362827;
	68	fParamS0Par[1][1][5] = 0.00030406;
	69	fParamS0Par[1][1][6] = 17.7775;
	70	fParamS0Par[1][2][0] = 0.00158251;
	71	fParamS0Par[1][2][1] = -3.55911e-06;
	72	fParamS0Par[1][2][2] = 0.0247899;
	73	fParamS0Par[1][2][3] = 7.20604e-08;
	74	fParamS0Par[1][2][4] = 0.0179946;
	75	fParamS0Par[1][2][5] = 0.000425504;
	76	fParamS0Par[1][2][6] = 20.9294;
	77
15d2e9cf	78
326c2d4b	79	Update();
326c2d4b	80	}
00d07bcd	81	#endif
326c2d4b	82
fbb9b71b	83	GPUd() void AliHLTTPCCAParam::Initialize( int iSlice,
	84	int nRows, float rowX[],
	85	float alpha, float dAlpha,
	86	float rMin, float rMax,
	87	float zMin, float zMax,
	88	float padPitch, float zSigma,
	89	float bz
	90	)
326c2d4b	91	{
fbb9b71b	92	// initialization
d54804bf	93	fISlice = iSlice;
	94	fAlpha = alpha;
	95	fDAlpha = dAlpha;
	96	fRMin = rMin;
	97	fRMax = rMax;
	98	fZMin = zMin;
	99	fZMax = zMax;
	100	fPadPitch = padPitch;
326c2d4b	101	fErrY = 1.; // not in use
d54804bf	102	fErrZ = zSigma;
91794c67	103	fBzkG = bz;
d54804bf	104	fNRows = nRows;
fbb9b71b	105	for ( int irow = 0; irow < nRows; irow++ ) {
d54804bf	106	fRowX[irow] = rowX[irow];
c1cab320	107	//std::cout << " row " << irow << " x= " << rowX[irow] << std::endl;
dc4788ec	108	}
dc4788ec	109
326c2d4b	110	Update();
	111	}
	112
00d07bcd	113	GPUd() void AliHLTTPCCAParam::Update()
326c2d4b	114	{
326c2d4b	115	// update of calculated values
91794c67	116
	117	const double kCLight = 0.000299792458;
	118	fConstBz = fBzkG * kCLight;
	119
	120	fPolinomialFieldBz[0] = fConstBz * ( 0.999286 );
	121	fPolinomialFieldBz[1] = fConstBz * ( -4.54386e-7 );
	122	fPolinomialFieldBz[2] = fConstBz * ( 2.32950e-5 );
	123	fPolinomialFieldBz[3] = fConstBz * ( -2.99912e-7 );
	124	fPolinomialFieldBz[4] = fConstBz * ( -2.03442e-8 );
	125	fPolinomialFieldBz[5] = fConstBz * ( 9.71402e-8 );
	126
fbb9b71b	127	fCosAlpha = CAMath::Cos( fAlpha );
	128	fSinAlpha = CAMath::Sin( fAlpha );
	129	fAngleMin = fAlpha - fDAlpha / 2.;
	130	fAngleMax = fAlpha + fDAlpha / 2.;
	131	fErrX = fPadPitch / CAMath::Sqrt( 12. );
326c2d4b	132	fTrackChi2Cut = fTrackChiCut * fTrackChiCut;
	133	}
	134
fbb9b71b	135	GPUd() void AliHLTTPCCAParam::Slice2Global( float x, float y, float z,
	136	float X, float Y, float *Z ) const
	137	{
326c2d4b	138	// conversion of coorinates sector->global
fbb9b71b	139	X = x fCosAlpha - y * fSinAlpha;
fbb9b71b	140	Y = y fCosAlpha + x * fSinAlpha;
326c2d4b	141	*Z = z;
326c2d4b	142	}
fbb9b71b	143
	144	GPUd() void AliHLTTPCCAParam::Global2Slice( float X, float Y, float Z,
	145	float x, float y, float *z ) const
326c2d4b	146	{
326c2d4b	147	// conversion of coorinates global->sector
fbb9b71b	148	x = X fCosAlpha + Y * fSinAlpha;
fbb9b71b	149	y = Y fCosAlpha - X * fSinAlpha;
326c2d4b	150	*z = Z;
326c2d4b	151	}
eb30eb49	152
fbb9b71b	153	GPUd() float AliHLTTPCCAParam::GetClusterError2( int yz, int type, float z, float angle ) const
eb30eb49	154	{
eb30eb49	155	//* recalculate the cluster error wih respect to the track slope
6de2bc40	156
fbb9b71b	157	float angle2 = angle * angle;
	158	const float *c = fParamS0Par[yz][type];
	159	float v = c[0] + z * ( c[1] + c[3] * z ) + angle2 * ( c[2] + angle2 * c[4] + c[5] * z );
	160	return CAMath::Abs( v );
eb30eb49	161	}
eb30eb49	162
fbb9b71b	163	GPUd() void AliHLTTPCCAParam::GetClusterErrors2( int iRow, float z, float sinPhi, float cosPhi, float DzDs, float &Err2Y, float &Err2Z ) const
63d8b79d	164	{
	165	//
	166	// Use calibrated cluster error from OCDB
	167	//
	168
fbb9b71b	169	z = CAMath::Abs( ( 250. - 0.275 ) - CAMath::Abs( z ) );
	170	int type = ( iRow < 63 ) ? 0 : ( ( iRow > 126 ) ? 1 : 2 );
	171	float cosPhiInv = CAMath::Abs( cosPhi ) > 1.e-2 ? 1. / cosPhi : 0;
6de2bc40	172	float angleY = sinPhi * cosPhiInv ; // dy/dx
6de2bc40	173	float angleZ = DzDs * cosPhiInv ; // dz/dx
63d8b79d	174
fbb9b71b	175	Err2Y = GetClusterError2( 0, type, z, angleY );
fbb9b71b	176	Err2Z = GetClusterError2( 1, type, z, angleZ );
63d8b79d	177	}
	178
	179
fbb9b71b	180	GPUh() void AliHLTTPCCAParam::WriteSettings( std::ostream &out ) const
eb30eb49	181	{
00d07bcd	182	// write settings to the file
fbb9b71b	183	out << fISlice << std::endl;
	184	out << fNRows << std::endl;
	185	out << fAlpha << std::endl;
	186	out << fDAlpha << std::endl;
	187	out << fCosAlpha << std::endl;
	188	out << fSinAlpha << std::endl;
	189	out << fAngleMin << std::endl;
	190	out << fAngleMax << std::endl;
	191	out << fRMin << std::endl;
	192	out << fRMax << std::endl;
	193	out << fZMin << std::endl;
	194	out << fZMax << std::endl;
	195	out << fErrX << std::endl;
	196	out << fErrY << std::endl;
	197	out << fErrZ << std::endl;
	198	out << fPadPitch << std::endl;
91794c67	199	out << fBzkG << std::endl;
fbb9b71b	200	out << fHitPickUpFactor << std::endl;
	201	out << fMaxTrackMatchDRow << std::endl;
	202	out << fTrackConnectionFactor << std::endl;
	203	out << fTrackChiCut << std::endl;
	204	out << fTrackChi2Cut << std::endl;
	205	for ( int iRow = 0; iRow < fNRows; iRow++ ) {
	206	out << fRowX[iRow] << std::endl;
eb30eb49	207	}
fbb9b71b	208	out << std::endl;
	209	for ( int i = 0; i < 2; i++ )
	210	for ( int j = 0; j < 3; j++ )
	211	for ( int k = 0; k < 7; k++ )
	212	out << fParamS0Par[i][j][k] << std::endl;
	213	out << std::endl;
eb30eb49	214	}
eb30eb49	215
00d07bcd	216	GPUh() void AliHLTTPCCAParam::ReadSettings( std::istream &in )
eb30eb49	217	{
00d07bcd	218	// Read settings from the file
00d07bcd	219
eb30eb49	220	in >> fISlice;
	221	in >> fNRows;
	222	in >> fAlpha;
	223	in >> fDAlpha;
	224	in >> fCosAlpha;
	225	in >> fSinAlpha;
	226	in >> fAngleMin;
	227	in >> fAngleMax;
	228	in >> fRMin;
	229	in >> fRMax;
	230	in >> fZMin;
	231	in >> fZMax;
	232	in >> fErrX;
	233	in >> fErrY;
	234	in >> fErrZ;
	235	in >> fPadPitch;
91794c67	236	in >> fBzkG;
693d2443	237	in >> fHitPickUpFactor;
eb30eb49	238	in >> fMaxTrackMatchDRow;
	239	in >> fTrackConnectionFactor;
	240	in >> fTrackChiCut;
	241	in >> fTrackChi2Cut;
fbb9b71b	242	for ( int iRow = 0; iRow < fNRows; iRow++ ) {
eb30eb49	243	in >> fRowX[iRow];
eb30eb49	244	}
fbb9b71b	245	for ( int i = 0; i < 2; i++ )
	246	for ( int j = 0; j < 3; j++ )
	247	for ( int k = 0; k < 7; k++ )
	248	in >> fParamS0Par[i][j][k];
eb30eb49	249	}