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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
24
fbb9b71b 25#if !defined(HLTCA_GPUCODE)
00d07bcd 26
f0bada7f 27GPUdi() AliHLTTPCCAParam::AliHLTTPCCAParam()
fbb9b71b 28 : fISlice( 0 ), fNRows( 63 ), fAlpha( 0.174533 ), fDAlpha( 0.349066 ),
29 fCosAlpha( 0 ), fSinAlpha( 0 ), fAngleMin( 0 ), fAngleMax( 0 ), fRMin( 83.65 ), fRMax( 133.3 ),
a8714ffa 30 fZMin( 0.0529937 ), fZMax( 249.778 ), fErrX( 0 ), fErrY( 0 ), fErrZ( 0.228808 ), fPadPitch( 0.4 ), fBzkG( -5.00668 ),
31 fConstBz( -5.00668*0.000299792458 ), fHitPickUpFactor( 1. ),
36e3690e 32 fMaxTrackMatchDRow( 4 ), fNeighboursSearchArea(3.), fTrackConnectionFactor( 3.5 ), fTrackChiCut( 3.5 ), fTrackChi2Cut( 10 ), fClusterError2CorrectionY(1.), fClusterError2CorrectionZ(1.),
33 fMinNTrackClusters( 30 ),
34 fMaxTrackQPt(1./0.1)
326c2d4b 35{
00d07bcd 36 // constructor
eb30eb49 37 fParamS0Par[0][0][0] = 0.00047013;
38 fParamS0Par[0][0][1] = 2.00135e-05;
39 fParamS0Par[0][0][2] = 0.0106533;
40 fParamS0Par[0][0][3] = 5.27104e-08;
41 fParamS0Par[0][0][4] = 0.012829;
42 fParamS0Par[0][0][5] = 0.000147125;
43 fParamS0Par[0][0][6] = 4.99432;
44 fParamS0Par[0][1][0] = 0.000883342;
45 fParamS0Par[0][1][1] = 1.07011e-05;
46 fParamS0Par[0][1][2] = 0.0103187;
47 fParamS0Par[0][1][3] = 4.25141e-08;
48 fParamS0Par[0][1][4] = 0.0224292;
49 fParamS0Par[0][1][5] = 8.27274e-05;
50 fParamS0Par[0][1][6] = 4.17233;
51 fParamS0Par[0][2][0] = 0.000745399;
52 fParamS0Par[0][2][1] = 5.62408e-06;
53 fParamS0Par[0][2][2] = 0.0151562;
54 fParamS0Par[0][2][3] = 5.08757e-08;
55 fParamS0Par[0][2][4] = 0.0601004;
56 fParamS0Par[0][2][5] = 7.97129e-05;
57 fParamS0Par[0][2][6] = 4.84913;
58 fParamS0Par[1][0][0] = 0.00215126;
59 fParamS0Par[1][0][1] = 6.82233e-05;
60 fParamS0Par[1][0][2] = 0.0221867;
61 fParamS0Par[1][0][3] = -6.27825e-09;
62 fParamS0Par[1][0][4] = -0.00745378;
63 fParamS0Par[1][0][5] = 0.000172629;
64 fParamS0Par[1][0][6] = 6.24987;
65 fParamS0Par[1][1][0] = 0.00181667;
66 fParamS0Par[1][1][1] = -4.17772e-06;
67 fParamS0Par[1][1][2] = 0.0253429;
68 fParamS0Par[1][1][3] = 1.3011e-07;
69 fParamS0Par[1][1][4] = -0.00362827;
70 fParamS0Par[1][1][5] = 0.00030406;
71 fParamS0Par[1][1][6] = 17.7775;
72 fParamS0Par[1][2][0] = 0.00158251;
73 fParamS0Par[1][2][1] = -3.55911e-06;
74 fParamS0Par[1][2][2] = 0.0247899;
75 fParamS0Par[1][2][3] = 7.20604e-08;
76 fParamS0Par[1][2][4] = 0.0179946;
77 fParamS0Par[1][2][5] = 0.000425504;
78 fParamS0Par[1][2][6] = 20.9294;
79
ea30c0aa 80 for( int i=0; i<200; i++ ) fRowX[i] = 0;
15d2e9cf 81
326c2d4b 82 Update();
83}
84
7be9b0d7 85void AliHLTTPCCAParam::Initialize( int iSlice,
fbb9b71b 86 int nRows, float rowX[],
87 float alpha, float dAlpha,
88 float rMin, float rMax,
89 float zMin, float zMax,
90 float padPitch, float zSigma,
91 float bz
92 )
326c2d4b 93{
fbb9b71b 94 // initialization
d54804bf 95 fISlice = iSlice;
96 fAlpha = alpha;
97 fDAlpha = dAlpha;
98 fRMin = rMin;
99 fRMax = rMax;
100 fZMin = zMin;
101 fZMax = zMax;
102 fPadPitch = padPitch;
326c2d4b 103 fErrY = 1.; // not in use
d54804bf 104 fErrZ = zSigma;
91794c67 105 fBzkG = bz;
d54804bf 106 fNRows = nRows;
fbb9b71b 107 for ( int irow = 0; irow < nRows; irow++ ) {
d54804bf 108 fRowX[irow] = rowX[irow];
c1cab320 109 //std::cout << " row " << irow << " x= " << rowX[irow] << std::endl;
dc4788ec 110 }
111
326c2d4b 112 Update();
113}
114
7be9b0d7 115void AliHLTTPCCAParam::Update()
326c2d4b 116{
117 // update of calculated values
91794c67 118
119 const double kCLight = 0.000299792458;
120 fConstBz = fBzkG * kCLight;
121
122 fPolinomialFieldBz[0] = fConstBz * ( 0.999286 );
123 fPolinomialFieldBz[1] = fConstBz * ( -4.54386e-7 );
124 fPolinomialFieldBz[2] = fConstBz * ( 2.32950e-5 );
125 fPolinomialFieldBz[3] = fConstBz * ( -2.99912e-7 );
126 fPolinomialFieldBz[4] = fConstBz * ( -2.03442e-8 );
127 fPolinomialFieldBz[5] = fConstBz * ( 9.71402e-8 );
128
fbb9b71b 129 fCosAlpha = CAMath::Cos( fAlpha );
130 fSinAlpha = CAMath::Sin( fAlpha );
7be9b0d7 131 fAngleMin = fAlpha - fDAlpha / 2.f;
132 fAngleMax = fAlpha + fDAlpha / 2.f;
fbb9b71b 133 fErrX = fPadPitch / CAMath::Sqrt( 12. );
326c2d4b 134 fTrackChi2Cut = fTrackChiCut * fTrackChiCut;
135}
136
7be9b0d7 137#endif
138
139
43422963 140MEM_CLASS_PRE() GPUdi() void MEM_LG(AliHLTTPCCAParam)::Slice2Global( float x, float y, float z,
fbb9b71b 141 float *X, float *Y, float *Z ) const
142{
326c2d4b 143 // conversion of coorinates sector->global
fbb9b71b 144 *X = x * fCosAlpha - y * fSinAlpha;
145 *Y = y * fCosAlpha + x * fSinAlpha;
326c2d4b 146 *Z = z;
147}
fbb9b71b 148
43422963 149MEM_CLASS_PRE() GPUdi() void MEM_LG(AliHLTTPCCAParam)::Global2Slice( float X, float Y, float Z,
fbb9b71b 150 float *x, float *y, float *z ) const
326c2d4b 151{
152 // conversion of coorinates global->sector
fbb9b71b 153 *x = X * fCosAlpha + Y * fSinAlpha;
154 *y = Y * fCosAlpha - X * fSinAlpha;
326c2d4b 155 *z = Z;
156}
eb30eb49 157
43422963 158MEM_CLASS_PRE() GPUdi() float MEM_LG(AliHLTTPCCAParam)::GetClusterError2( int yz, int type, float z, float angle ) const
eb30eb49 159{
160 //* recalculate the cluster error wih respect to the track slope
6de2bc40 161
fbb9b71b 162 float angle2 = angle * angle;
43422963 163 MakeType(const float*) c = fParamS0Par[yz][type];
fbb9b71b 164 float v = c[0] + z * ( c[1] + c[3] * z ) + angle2 * ( c[2] + angle2 * c[4] + c[5] * z );
165 return CAMath::Abs( v );
eb30eb49 166}
167
43422963 168MEM_CLASS_PRE() GPUdi() void MEM_LG(AliHLTTPCCAParam)::GetClusterErrors2( int iRow, float z, float sinPhi, float cosPhi, float DzDs, float &Err2Y, float &Err2Z ) const
63d8b79d 169{
170 //
171 // Use calibrated cluster error from OCDB
172 //
173
fbb9b71b 174 z = CAMath::Abs( ( 250. - 0.275 ) - CAMath::Abs( z ) );
175 int type = ( iRow < 63 ) ? 0 : ( ( iRow > 126 ) ? 1 : 2 );
176 float cosPhiInv = CAMath::Abs( cosPhi ) > 1.e-2 ? 1. / cosPhi : 0;
6de2bc40 177 float angleY = sinPhi * cosPhiInv ; // dy/dx
178 float angleZ = DzDs * cosPhiInv ; // dz/dx
63d8b79d 179
fbb9b71b 180 Err2Y = GetClusterError2( 0, type, z, angleY );
181 Err2Z = GetClusterError2( 1, type, z, angleZ );
63d8b79d 182}
183
43422963 184MEM_CLASS_PRE() GPUdi() void MEM_LG(AliHLTTPCCAParam)::GetClusterErrors2v1( int rowType, float z, float sinPhi, float cosPhi, float DzDs, float &Err2Y, float &Err2Z ) const
6d869045 185{
186 //
187 // Use calibrated cluster error from OCDB
188 //
189
190 z = CAMath::Abs( ( 250. - 0.275 ) - CAMath::Abs( z ) );
191 float cosPhiInv = CAMath::Abs( cosPhi ) > 1.e-2 ? 1. / cosPhi : 0;
192 float angleY = sinPhi * cosPhiInv ; // dy/dx
193 float angleZ = DzDs * cosPhiInv ; // dz/dx
194
195 Err2Y = GetClusterError2( 0, rowType, z, angleY );
196 Err2Z = GetClusterError2( 1, rowType, z, angleZ );
197}
198
c7d6f78b 199#ifndef HLTCA_GPUCODE
fbb9b71b 200GPUh() void AliHLTTPCCAParam::WriteSettings( std::ostream &out ) const
eb30eb49 201{
00d07bcd 202 // write settings to the file
fbb9b71b 203 out << fISlice << std::endl;
204 out << fNRows << std::endl;
205 out << fAlpha << std::endl;
206 out << fDAlpha << std::endl;
207 out << fCosAlpha << std::endl;
208 out << fSinAlpha << std::endl;
209 out << fAngleMin << std::endl;
210 out << fAngleMax << std::endl;
211 out << fRMin << std::endl;
212 out << fRMax << std::endl;
213 out << fZMin << std::endl;
214 out << fZMax << std::endl;
215 out << fErrX << std::endl;
216 out << fErrY << std::endl;
217 out << fErrZ << std::endl;
218 out << fPadPitch << std::endl;
91794c67 219 out << fBzkG << std::endl;
fbb9b71b 220 out << fHitPickUpFactor << std::endl;
221 out << fMaxTrackMatchDRow << std::endl;
222 out << fTrackConnectionFactor << std::endl;
223 out << fTrackChiCut << std::endl;
224 out << fTrackChi2Cut << std::endl;
225 for ( int iRow = 0; iRow < fNRows; iRow++ ) {
226 out << fRowX[iRow] << std::endl;
eb30eb49 227 }
fbb9b71b 228 out << std::endl;
229 for ( int i = 0; i < 2; i++ )
230 for ( int j = 0; j < 3; j++ )
231 for ( int k = 0; k < 7; k++ )
232 out << fParamS0Par[i][j][k] << std::endl;
233 out << std::endl;
eb30eb49 234}
235
00d07bcd 236GPUh() void AliHLTTPCCAParam::ReadSettings( std::istream &in )
eb30eb49 237{
00d07bcd 238 // Read settings from the file
239
eb30eb49 240 in >> fISlice;
241 in >> fNRows;
242 in >> fAlpha;
243 in >> fDAlpha;
244 in >> fCosAlpha;
245 in >> fSinAlpha;
246 in >> fAngleMin;
247 in >> fAngleMax;
248 in >> fRMin;
249 in >> fRMax;
250 in >> fZMin;
251 in >> fZMax;
252 in >> fErrX;
253 in >> fErrY;
254 in >> fErrZ;
255 in >> fPadPitch;
91794c67 256 in >> fBzkG;
693d2443 257 in >> fHitPickUpFactor;
eb30eb49 258 in >> fMaxTrackMatchDRow;
259 in >> fTrackConnectionFactor;
260 in >> fTrackChiCut;
261 in >> fTrackChi2Cut;
ea30c0aa 262
263 if( fNRows<0 || fNRows > 200 ) fNRows = 0;
264
fbb9b71b 265 for ( int iRow = 0; iRow < fNRows; iRow++ ) {
eb30eb49 266 in >> fRowX[iRow];
267 }
fbb9b71b 268 for ( int i = 0; i < 2; i++ )
269 for ( int j = 0; j < 3; j++ )
270 for ( int k = 0; k < 7; k++ )
271 in >> fParamS0Par[i][j][k];
eb30eb49 272}
c7d6f78b 273#endif