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251a2c81 | 1 | /* $Id$ */ |
2 | ||
3 | /************************************************************************** | |
4 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
5 | * * | |
6 | * Author: The ALICE Off-line Project. * | |
7 | * Contributors are mentioned in the code where appropriate. * | |
8 | * * | |
9 | * Permission to use, copy, modify and distribute this software and its * | |
10 | * documentation strictly for non-commercial purposes is hereby granted * | |
11 | * without fee, provided that the above copyright notice appears in all * | |
12 | * copies and that both the copyright notice and this permission notice * | |
13 | * appear in the supporting documentation. The authors make no claims * | |
14 | * about the suitability of this software for any purpose. It is * | |
15 | * provided "as is" without express or implied warranty. * | |
16 | **************************************************************************/ | |
17 | ||
18 | /** | |
19 | * >> Flat structure representing an ESDTrack << | |
20 | * | |
21 | * To be used in the online and offline calibration schema. | |
22 | * | |
23 | * Class provides interface methods for | |
24 | * - Filling from AliESDtrack and AliExternalTrackParam, as well | |
25 | * as clusters from ESD friends (if requested) | |
26 | * - HLT Filling to be added | |
27 | * | |
28 | * | |
29 | * Primary Authors : Sergey Gorbunov, Jochen Thaeder, Chiara Zampolli | |
30 | * | |
31 | **************************************************************************/ | |
32 | ||
888585e5 | 33 | #include "Rtypes.h" |
34 | #include "AliFlatESDTrack.h" | |
35 | #include "AliFlatExternalTrackParam.h" | |
251a2c81 | 36 | #include "AliESDtrack.h" |
251a2c81 | 37 | #include "AliExternalTrackParam.h" |
251a2c81 | 38 | #include "Riostream.h" |
39 | ||
251a2c81 | 40 | |
48ec9ee6 | 41 | |
c2ea967e | 42 | |
251a2c81 | 43 | // _______________________________________________________________________________________________________ |
251a2c81 | 44 | |
251a2c81 | 45 | |
46 | // _______________________________________________________________________________________________________ | |
0d577a2c | 47 | Int_t AliFlatESDTrack::SetFromESDTrack(const AliESDtrack* track) |
888585e5 | 48 | { |
49 | // Fill external track parameters | |
251a2c81 | 50 | fTrackParamMask = 0; |
51 | fNTPCClusters = 0; | |
52 | fNITSClusters = 0; | |
888585e5 | 53 | fContentSize = 0; |
251a2c81 | 54 | |
55 | if( !track ) return 0; | |
56 | ||
888585e5 | 57 | Int_t iResult = SetExternalTrackParam( track, |
58 | track->GetInnerParam(), | |
59 | track->GetTPCInnerParam(), | |
60 | track->GetOuterParam(), | |
61 | track->GetConstrainedParam(), NULL ); | |
cee25adb | 62 | fNTPCClusters = track->GetTPCNcls(); |
63 | fNITSClusters = track->GetITSNcls(); | |
251a2c81 | 64 | |
65 | return iResult; | |
66 | } | |
67 | ||
68 | // _______________________________________________________________________________________________________ | |
888585e5 | 69 | Int_t AliFlatESDTrack::SetExternalTrackParam( |
70 | const AliExternalTrackParam* refittedParam, | |
71 | const AliExternalTrackParam* innerParam, | |
72 | const AliExternalTrackParam* innerTPC, | |
73 | const AliExternalTrackParam* outerParam, | |
74 | const AliExternalTrackParam* constrainedParam, | |
75 | const AliExternalTrackParam* outerITS | |
76 | ){ | |
251a2c81 | 77 | // Fill external track parameters |
78 | ||
79 | fTrackParamMask = 0; | |
80 | fNTPCClusters = 0; | |
888585e5 | 81 | fContentSize = 0; |
251a2c81 | 82 | |
83 | Int_t iResult = 0; | |
84 | ||
85 | Byte_t flag = 0x1; | |
86 | iResult = FillExternalTrackParam(refittedParam, flag); | |
87 | ||
88 | flag = 0x2; | |
89 | iResult = FillExternalTrackParam(innerParam, flag); | |
90 | ||
91 | flag = 0x4; | |
92 | iResult = FillExternalTrackParam(innerTPC, flag); | |
93 | ||
94 | flag = 0x8; | |
95 | iResult = FillExternalTrackParam(outerParam, flag); | |
96 | ||
97 | flag = 0x10; | |
98 | iResult = FillExternalTrackParam(constrainedParam, flag); | |
99 | ||
100 | flag = 0x20; | |
101 | iResult = FillExternalTrackParam(outerITS, flag); | |
102 | ||
103 | return iResult; | |
104 | } | |
105 | ||
106 | // _______________________________________________________________________________________________________ | |
107 | Int_t AliFlatESDTrack::FillExternalTrackParam(const AliExternalTrackParam* param, UShort_t flag) { | |
108 | // Fill external track parameters | |
109 | ||
48ec9ee6 | 110 | if (!param) return -1; |
251a2c81 | 111 | |
ee82d961 | 112 | //Printf(" DEBUG: CONTENT %d >> %p + 0x%07llx = %p", flag, fContent, fContentSize, fContent + fContentSize); |
251a2c81 | 113 | |
888585e5 | 114 | AliFlatExternalTrackParam * current = reinterpret_cast<AliFlatExternalTrackParam*> (fContent + fContentSize); |
48ec9ee6 | 115 | current->SetExternalTrackParam( param ); |
251a2c81 | 116 | fTrackParamMask |= flag; |
888585e5 | 117 | fContentSize += sizeof(AliFlatExternalTrackParam); |
251a2c81 | 118 | |
119 | return 0; | |
120 | } | |
121 | ||
0d577a2c | 122 | |
251a2c81 | 123 | // _______________________________________________________________________________________________________ |
ea12701f | 124 | Bool_t AliFlatESDTrack::GetXYZ(Double_t *p) const { |
125 | const AliFlatExternalTrackParam *f = GetFlatTrackParam(); | |
126 | if (!f) { return kFALSE; } | |
127 | p[0]=f->GetX(); | |
128 | p[1]=f->GetY(); | |
129 | p[2]=f->GetZ(); | |
130 | return kTRUE; | |
131 | } |