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18 Revision 1.3.6.1 2002/07/24 11:07:40 alibrary
21 Revision 1.4 2002/07/24 09:38:28 vicinanz
22 Fixed (ininfluential) bug on TestHit method
24 Revision 1.3 2001/12/19 09:33:32 hristov
27 Revision 1.2 2001/11/22 11:30:30 hristov
30 Revision 1.1 2001/11/22 11:22:51 hristov
31 Updated version of TOF digitization, N^2 problem solved (J.Chudoba)
35 ////////////////////////////////////////////////////////////////////////
39 // hitmap enables fast check if the pad was already hit
40 // The index of a AliTOFSDigit is saved in the each hitmap "cell"
41 // (there is an offset +1, because the index can be zero and
42 // zero means empty cell.
43 // In TOF, number of strips varies according plate type, the highest
44 // number is in plate C. For all plates is used this number, so
45 // the size of the hitmap is a little bit greater than necessary, but
46 // it simplifies the access algorithm.
49 // Author: Jiri Chudoba (CERN), based on AliMUONHitMap
51 ////////////////////////////////////////////////////////////////////////
56 #include "AliTOFHitMap.h"
57 #include "AliTOFSDigit.h"
58 #include "AliTOFConstants.h"
61 #include <TClonesArray.h>
63 ClassImp(AliTOFHitMap)
65 AliTOFHitMap::AliTOFHitMap()
74 ////////////////////////////////////////////////////////////////////////
75 AliTOFHitMap::AliTOFHitMap(TClonesArray *dig)
81 // of course, these constants must not be hardwired
84 fNSector = AliTOFConstants::fgkNSectors;
85 fNplate = AliTOFConstants::fgkNPlates;
86 fNstrip = AliTOFConstants::fgkNStripC;
87 fNpx = AliTOFConstants::fgkNpadX;
88 fNpy = AliTOFConstants::fgkNpadZ;
89 fMaxIndex=fNSector*fNplate*fNstrip*fNpx*fNpy;
90 fHitMap = new Int_t[fMaxIndex];
95 ////////////////////////////////////////////////////////////////////////
96 AliTOFHitMap::AliTOFHitMap(const AliTOFHitMap & hitMap)
99 // Dummy copy constructor
105 ////////////////////////////////////////////////////////////////////////
106 AliTOFHitMap::~AliTOFHitMap()
111 if (fHitMap) delete[] fHitMap;
114 ////////////////////////////////////////////////////////////////////////
115 void AliTOFHitMap::Clear(const char *)
120 memset(fHitMap,0,sizeof(int)*fMaxIndex);
123 ////////////////////////////////////////////////////////////////////////
124 Int_t AliTOFHitMap::CheckedIndex(Int_t *vol) const
127 // Return checked indices for vol
130 (vol[0]-1)*fNplate*fNstrip*fNpx*fNpy+ // sector
131 (vol[1]-1)*fNstrip*fNpx*fNpy+ // plate
132 (vol[2]-1)*fNpx*fNpy+ // strip
133 (vol[3]-1)*fNpy+ // padx
134 (vol[4]-1); // pady (=padz)
136 if (index >= fMaxIndex) {
137 Error("AliTOFHitMap","CheckedIndex - input outside bounds");
144 ////////////////////////////////////////////////////////////////////////
145 void AliTOFHitMap::SetHit(Int_t *vol, Int_t idigit)
148 // Assign digit to pad vol
151 // 0 means empty pad, we need to shift indeces by 1
152 fHitMap[CheckedIndex(vol)]=idigit+1;
155 ////////////////////////////////////////////////////////////////////////
156 void AliTOFHitMap::SetHit(Int_t *vol)
159 // Assign last digit to pad vol
162 // 0 means empty pad, we need to shift indeces by 1
163 fHitMap[CheckedIndex(vol)]=fSDigits->GetLast()+1;
166 ////////////////////////////////////////////////////////////////////////
167 Int_t AliTOFHitMap::GetHitIndex(Int_t *vol) const
170 // Get contents of pad vol
173 // 0 means empty pad, we need to shift indeces by 1
174 return fHitMap[CheckedIndex(vol)]-1;
177 ////////////////////////////////////////////////////////////////////////
178 TObject* AliTOFHitMap::GetHit(Int_t *vol) const
181 // Get pointer to object at vol
182 // return 0 if vol out of bounds
183 Int_t index=GetHitIndex(vol);
184 return (index <0) ? 0 : fSDigits->UncheckedAt(index);
187 ////////////////////////////////////////////////////////////////////////
188 FlagType AliTOFHitMap::TestHit(Int_t *vol) const
191 // Check if hit cell is empty, used or unused
193 Int_t inf=fHitMap[CheckedIndex(vol)];
196 } else if (inf == 0) {
203 ////////////////////////////////////////////////////////////////////////
204 AliTOFHitMap & AliTOFHitMap::operator = (const AliTOFHitMap & rhs)
206 // Dummy assignment operator