Coding conventions (Laurent)
[u/mrichter/AliRoot.git] / MUON / AliMUONDigitMapA1.cxx
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5289cf2f 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16/* $Id$ */
17
d19b6003 18// ---------------------------
19// Class AliMUONDigitMapA1
20// ---------------------------
21// Implements cluster Map as a 1-dim array
22// Author: Christian Finck
23
5289cf2f 24#include "AliMUONDigitMapA1.h"
25#include "AliMUONDigit.h"
d3ea2ca8 26
5289cf2f 27#include "AliLog.h"
28
d3ea2ca8 29#include <TObjArray.h>
30#include <TMath.h>
31
5289cf2f 32ClassImp(AliMUONDigitMapA1)
33
34AliMUONDigitMapA1::AliMUONDigitMapA1()
35 : fIdDE(0),
36 fNpx(0),
37 fNpy(0),
38 fDigits(0),
39 fMaxIndex(0),
40 fHitMap(0)
41{
d19b6003 42/// Default constructor
5289cf2f 43
44}
45//________________________________________________________________________________
d3ea2ca8 46AliMUONDigitMapA1::AliMUONDigitMapA1(Int_t idDE, Int_t npx, Int_t npy )
5289cf2f 47{
d19b6003 48/// Standard constructor
5289cf2f 49
5289cf2f 50 fIdDE = idDE;
d3ea2ca8 51 fNpx = npx;
52 fNpy = npy;
5289cf2f 53 fMaxIndex = fNpx * fNpy + fNpx ;
54
55 fHitMap = new Int_t[fMaxIndex];
56 Clear();
57
58}
59//______________________________________________________________
60AliMUONDigitMapA1::AliMUONDigitMapA1(const AliMUONDigitMapA1& hitMap)
61 : TObject(hitMap)
62{
d19b6003 63/// Protected copy constructor
5289cf2f 64
65 AliFatal("Not implemented.");
66}
67//_________________________________
68AliMUONDigitMapA1::~AliMUONDigitMapA1()
69{
d19b6003 70/// Destructor
5289cf2f 71 if (fHitMap) delete[] fHitMap;
72}
73//______________________________________
74void AliMUONDigitMapA1::Clear(const char *)
75{
d19b6003 76/// Clear hitmap
5289cf2f 77 memset(fHitMap,0,sizeof(int)*fMaxIndex);
78}
79
80//_________________________________________________________
81Int_t AliMUONDigitMapA1::CheckedIndex(Int_t ix, Int_t iy) const
82{
d19b6003 83/// Return checked indices ix, iy
5289cf2f 84 Int_t index = iy * fNpx + ix;
b133692e 85 if ( index < 0 || index >= fMaxIndex ) {
5289cf2f 86 AliWarning(Form("index outside array idDE %d ix %d iy %d MaxIndex %d index %d Npx %d Npy %d",
87 fIdDE, ix,iy, fMaxIndex, index, fNpx, fNpy));
88 return fMaxIndex-1;
89 } else {
90 return index;
91 }
92}
93//_____________________________
94void AliMUONDigitMapA1::FillHits(TObjArray* digits)
95{
d19b6003 96/// Fill hits from digits list
5289cf2f 97 fDigits = digits;
98 Int_t ndigits = fDigits->GetEntriesFast();
99 if (!ndigits) return;
100 AliMUONDigit *dig;
101 for (Int_t ndig = 0; ndig < ndigits; ndig++) {
102 dig = (AliMUONDigit*)fDigits->UncheckedAt(ndig);
103 SetHit(dig->PadX(),dig->PadY(),ndig);
104 }
105}
106//___________________________________________________________
107void AliMUONDigitMapA1::SetHit(Int_t ix, Int_t iy, Int_t idigit)
108{
d19b6003 109/// Assign digit to hit cell ix,iy
5289cf2f 110
111 fHitMap[CheckedIndex(ix, iy)] = idigit + 1;
112}
113//_______________________________________________
114void AliMUONDigitMapA1::DeleteHit(Int_t ix, Int_t iy)
115{
d19b6003 116/// Delete hit at cell ix,iy
5289cf2f 117
118 fHitMap[CheckedIndex(ix, iy)]=0;
119}
120//_____________________________________________
121void AliMUONDigitMapA1::FlagHit(Int_t ix, Int_t iy)
122{
d19b6003 123/// Flag hit as used
5289cf2f 124 fHitMap[CheckedIndex(ix, iy)]=
125 -TMath::Abs(fHitMap[CheckedIndex(ix, iy)]);
126}
127//________________________________________________________
128Int_t AliMUONDigitMapA1::GetHitIndex(Int_t ix, Int_t iy) const
129{
d19b6003 130/// Get absolute value of contents of hit cell ix,iy
5289cf2f 131 return TMath::Abs(fHitMap[CheckedIndex(ix, iy)])-1;
132}
133//_______________________________________________________
134TObject* AliMUONDigitMapA1::GetHit(Int_t ix, Int_t iy) const
135{
d19b6003 136/// Get pointer to object at hit cell ix, iy
137/// Force crash if index does not exist ! (Manu)
5289cf2f 138 Int_t index = GetHitIndex(ix,iy);
139 return (index <0) ? 0 : fDigits->UncheckedAt(GetHitIndex(ix,iy));
140}
141//_________________________________________________
85fec35d 142FlagType AliMUONDigitMapA1::TestHit(Int_t ix, Int_t iy) const
5289cf2f 143{
d19b6003 144/// Check if hit cell is empty, used or unused
145
5289cf2f 146 Int_t index = CheckedIndex(ix, iy);
147 if (index<0 || index >= fMaxIndex) return kEmpty;
148
149 Int_t inf = fHitMap[index];
150 if (inf < 0) {
151 return kUsed;
152 } else if (inf == 0) {
153 return kEmpty;
154 } else {
155 return kUnused;
156 }
157}
158//________________________________________________________________________
159AliMUONDigitMapA1 & AliMUONDigitMapA1::operator = (const AliMUONDigitMapA1 & rhs)
160{
d19b6003 161/// Protected assignement operator
5289cf2f 162
163 if (this == &rhs) return *this;
164
165 AliFatal( "Not implemented.");
166
167 return *this;
168}