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a38a7850 | 1 | // @(#) $Id$ |
4aa41877 | 2 | // Original: AliHLTClustFinderNew.h,v 1.13 2004/06/18 10:55:26 loizides |
a38a7850 | 3 | |
01f43166 | 4 | #ifndef AliHLTTPC_CLUSTERFINDER |
5 | #define AliHLTTPC_CLUSTERFINDER | |
6 | /* This file is property of and copyright by the ALICE HLT Project * | |
7 | * ALICE Experiment at CERN, All rights reserved. * | |
8 | * See cxx source for full Copyright notice */ | |
a38a7850 | 9 | |
01f43166 | 10 | /** @file AliHLTTPCClusterFinder.h |
11 | @author Anders Vestbo, Constantin Loizides, Jochen Thaeder | |
12 | Kenneth Aamodt kenneth.aamodt@student.uib.no | |
13 | @date | |
14 | @brief Cluster Finder for the TPC | |
15 | */ | |
16 | ||
17 | // see below for class documentation | |
18 | // or | |
19 | // refer to README to build package | |
20 | // or | |
21 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
46b33a24 | 22 | |
d8b2f74a | 23 | #define UNSORTED 0 |
24 | ||
01f43166 | 25 | #include "AliHLTLogging.h" |
26 | #include "AliHLTTPCPadArray.h" | |
a38a7850 | 27 | class AliHLTTPCSpacePointData; |
28 | class AliHLTTPCDigitReader; | |
29 | ||
46b33a24 | 30 | class AliHLTTPCClusterFinder : public AliHLTLogging { |
a38a7850 | 31 | |
32 | public: | |
33 | struct AliClusterData | |
34 | { | |
35 | UInt_t fTotalCharge; //tot charge of cluster | |
36 | UInt_t fPad; //pad value | |
37 | UInt_t fTime; //time value | |
38 | ULong64_t fPad2; //for error in XY direction | |
39 | ULong64_t fTime2; //for error in Z direction | |
40 | UInt_t fMean; //mean in time | |
41 | UInt_t fFlags; //different flags | |
42 | UInt_t fChargeFalling; //for deconvolution | |
43 | UInt_t fLastCharge; //for deconvolution | |
44 | UInt_t fLastMergedPad; //dont merge twice per pad | |
d8b2f74a | 45 | Int_t fRow; //row value |
a38a7850 | 46 | }; |
47 | typedef struct AliClusterData AliClusterData; //! | |
48 | ||
8f8bf0af | 49 | /** standard constructor */ |
50 | AliHLTTPCClusterFinder(); | |
51 | /** destructor */ | |
52 | virtual ~AliHLTTPCClusterFinder(); | |
53 | ||
54 | void Read(void* ptr,unsigned long size); | |
55 | ||
56 | void InitSlice(Int_t slice,Int_t patch,Int_t firstrow, Int_t lastrow,Int_t maxpoints); | |
57 | void InitSlice(Int_t slice,Int_t patch,Int_t maxpoints); | |
58 | void ProcessDigits(); | |
59 | ||
60 | void SetOutputArray(AliHLTTPCSpacePointData *pt); | |
61 | void WriteClusters(Int_t n_clusters,AliClusterData *list); | |
62 | ||
63 | void SetXYError(Float_t f) {fXYErr=f;} | |
64 | void SetZError(Float_t f) {fZErr=f;} | |
65 | void SetDeconv(Bool_t f) {fDeconvPad=f; fDeconvTime=f;} | |
66 | void SetThreshold(UInt_t i) {fThreshold=i;} | |
67 | void SetOccupancyLimit(Float_t f) {fOccupancyLimit=f;} | |
68 | void SetSignalThreshold(Int_t i) {fSignalThreshold=i;} | |
69 | void SetMatchWidth(UInt_t i) {fMatch=i;} | |
70 | void SetSTDOutput(Bool_t f=kFALSE) {fStdout=f;} | |
71 | void SetCalcErr(Bool_t f=kTRUE) {fCalcerr=f;} | |
72 | void SetRawSP(Bool_t f=kFALSE) {fRawSP=f;} | |
73 | void SetReader(AliHLTTPCDigitReader* f){fDigitReader = f;} | |
74 | Int_t GetNumberOfClusters() const {return fNClusters;} | |
75 | ||
76 | //----------------------------------Methods for the new unsorted way of reading data ---------- | |
77 | void SetPadArray(AliHLTTPCPadArray *padArray); | |
78 | void ReadDataUnsorted(void* ptr,unsigned long size); | |
79 | void FindClusters(); | |
80 | void WriteClusters(Int_t nclusters,AliHLTTPCClusters *list); | |
81 | ||
a38a7850 | 82 | private: |
8f8bf0af | 83 | /** copy constructor prohibited */ |
84 | AliHLTTPCClusterFinder(const AliHLTTPCClusterFinder&); | |
85 | /** assignment operator prohibited */ | |
86 | AliHLTTPCClusterFinder& operator=(const AliHLTTPCClusterFinder&); | |
87 | ||
2a083ac4 | 88 | AliHLTTPCSpacePointData *fSpacePointData; //! array of space points |
89 | AliHLTTPCDigitReader *fDigitReader; //! reader instance | |
a38a7850 | 90 | |
2a083ac4 | 91 | UChar_t* fPtr; //! pointer to packed block |
a38a7850 | 92 | unsigned long fSize; //packed block size |
93 | Bool_t fDeconvTime; //deconv in time direction | |
94 | Bool_t fDeconvPad; //deconv in pad direction | |
95 | Bool_t fStdout; //have print out in write clusters | |
96 | Bool_t fCalcerr; //calculate centroid sigmas | |
97 | Bool_t fRawSP; //store centroids in raw system | |
98 | ||
99 | ||
100 | Int_t fFirstRow; //first row | |
101 | Int_t fLastRow; //last row | |
102 | Int_t fCurrentRow; //current active row | |
103 | Int_t fCurrentSlice; //current slice | |
104 | Int_t fCurrentPatch; //current patch | |
105 | Int_t fMatch; //size of match | |
106 | UInt_t fThreshold; //threshold for clusters | |
84645eb0 | 107 | /** threshold for zero suppression (applied per bin) */ |
108 | Int_t fSignalThreshold; | |
a38a7850 | 109 | Int_t fNClusters; //number of found clusters |
110 | Int_t fMaxNClusters; //max. number of clusters | |
111 | Float_t fXYErr; //fixed error in XY | |
112 | Float_t fZErr; //fixed error in Z | |
5235c3e9 | 113 | |
114 | Float_t fOccupancyLimit; // Occupancy Limit | |
115 | ||
01f43166 | 116 | AliHLTTPCPadArray * fPadArray; //! transient |
117 | ||
a38a7850 | 118 | |
119 | #ifdef do_mc | |
120 | void GetTrackID(Int_t pad,Int_t time,Int_t *trackID); | |
121 | #endif | |
122 | ||
01f43166 | 123 | ClassDef(AliHLTTPCClusterFinder,1) //Fast cluster finder |
a38a7850 | 124 | }; |
125 | #endif |