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[u/mrichter/AliRoot.git] / CONTAINERS / AliDigits.h
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a46e9031 1#ifndef ALIDIGITS_H
2#define ALIDIGITS_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
8////////////////////////////////////////////////
9// Manager class generaol Alice segment digits
10// segment is for example one pad row in TPC //
11////////////////////////////////////////////////
12
13#include "AliArrayI.h"
14#include "AliArrayS.h"
15#include "AliSegmentID.h"
16class AliH2F;
17
18class AliDigits: public AliSegmentID{
19public:
20 AliDigits();
21 AliDigits(const AliDigits &digits); //copy constructor
22 AliDigits &operator = (const AliDigits & digits); //assignment operator
23 virtual ~AliDigits();
51a4705b 24 Short_t * GetDigits(){return fElements->GetArray();} //return row pointer to the array digits
a46e9031 25 Short_t GetDigitFast(Int_t row, Int_t column); //return value at given row and collumn
26 void SetDigitFast(Short_t value,Int_t row, Int_t column); //set value at given row and collumn
27 Bool_t BoundsOK(const char *where, Int_t row, Int_t col) ; //Check If Bound Ok
28 Bool_t OutOfBoundsError(const char *where, Int_t row, Int_t column);
29 virtual void Allocate(Int_t rows, Int_t columns); //construct empty buffer fDigits with size rows x columns
30 virtual Short_t GetDigit(Int_t row, Int_t column);
31 virtual void ExpandBuffer(); //expand buffer to twodimensional array
32 virtual void CompresBuffer(Int_t bufferType,Int_t threshold); //compres buffer according buffertype algorithm
33 virtual Bool_t First(); //adjust first valid current digit
34 virtual Bool_t Next(); //addjust next valid current digit
35 void SetThreshold(Int_t th) {fThreshold = th;} //set threshold
36 Int_t GetThreshold() {return fThreshold;} //return threshold
37 Int_t GetNRows(){return fNrows;}
38 Int_t GetNCols(){return fNcols;}
39 Int_t CurrentRow(){ return fCurrentRow;} //return current row
40 Int_t CurrentColumn(){ return fCurrentCol;} //return current column
41 Int_t CurrentDigit() {return fElements->At(fCurrentIndex);} //return degit for current row and column
42 void AcceptHisto(AliH2F * his); //update buffer for - it will content histogram values
43 AliH2F * GenerHisto(); //generate 2 dimensional histogram with digits
44 AliH2F *DrawDigits( const char *option=0,Float_t x1=-1, Float_t x2=-1, Float_t y1=-1, Float_t y2=-1); //draw digits
45
46 Int_t GetSize();//return total size of object in bytes
47 Int_t GetDigitSize(); //return total size of pure digits
48 Int_t GetOverTh(Float_t threshold,Float_t x1=-1, Float_t x2=-1, Float_t y1=-1, Float_t y2=-1); //return number of digits over threshold
49protected:
50 virtual void Invalidate();
51 void ExpandBuffer1(); //expand buffer of type to twodimensional array
52 void CompresBuffer1(); //compres buffer according algorithm 1
53 Bool_t First0(); //first for the buffer type 0
54 Bool_t Next0(); //next for the buffer type 0
55 Bool_t First1(); //first for the buffer type 1
56 Bool_t Next1();//next for the buffer type 1
57 Short_t GetDigit1(Int_t row, Int_t column); //return digit for given row and column
58
59 Int_t fNrows; //number of rows in Segment
60 Int_t fNcols; //number of collumns in Segment
61private:
62 AliArrayS *fElements; //buffer of 2 bytes integers for digits
63 AliArrayI *fIndex; //index position of column
64 Int_t fBufType; //type of the buffer - define compression algorithm
65 Int_t fThreshold; //treshold for zero suppresion
66 Int_t fNelems; //total number of elements
67 Int_t fCurrentRow; //!current row iteration
68 Int_t fCurrentCol; //!current column iteration
69 Int_t fCurrentIndex; //!current index in field
70
71 ClassDef(AliDigits,1)
72};
73
74
75
76inline Bool_t AliDigits::BoundsOK(const char *where, Int_t row, Int_t col)
77{
78 //Check If Bound Ok
79 if ( (col>=fNcols) || (col<0) ) return OutOfBoundsError(where,row,col);
80 Int_t index =(*fIndex).At(col)+row;
81 if ( (index<0) || (index>fNelems)) return OutOfBoundsError(where,row,col);
82 return kTRUE;
83}
84
85inline Short_t AliDigits::GetDigitFast(Int_t row, Int_t column)
86{
87 //
88 //return digit from fDigits array
89 //if out of range return dummy value ( value at row = 0, collumn = 0)
90 //
91 return fElements->At(fIndex->At(column)+row);
92}
93
94inline void AliDigits::SetDigitFast(Short_t value, Int_t row, Int_t column)
95{
96 //
97 //set digit
98 //
51a4705b 99 if ( (row<0) || (row>=fNrows) || (column<0) || (column>=fNcols) )
a46e9031 100 Error("AliDigits::SetDigitFast", "row %d col %d out of bounds (size: %d x %d, this: 0x%08x)",
101 row, column, fNrows, fNcols, this);
102 (*fElements)[fIndex->At(column)+row]=value;
103}
104
105#endif
106