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e869281d | 1 | /************************************************************************** |
2 | * Copyright(c) 2004-2006, 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 | #include <AliITSdigitSDD.h> | |
fcf95fc7 | 17 | #include <AliITSCalibrationSDD.h> |
e869281d | 18 | #include <TArrayI.h> |
19 | #include <TArrayF.h> | |
e869281d | 20 | |
21 | /////////////////////////////////////////////////////////////////// | |
22 | // // | |
23 | // Class defining the digit object | |
24 | // for SDD | |
25 | // Inherits from AliITSdigit | |
26 | // // | |
27 | /////////////////////////////////////////////////////////////////// | |
28 | ||
29 | ClassImp(AliITSdigitSDD) | |
7f1a504b | 30 | |
31 | ||
e869281d | 32 | //______________________________________________________________________ |
e56160b8 | 33 | AliITSdigitSDD::AliITSdigitSDD():AliITSdigit(), |
34 | fPhysics(0), | |
35 | fSignalExpanded(0){ | |
e869281d | 36 | // default constructor, zero coordinates and set array |
37 | // elements to clearly unphysical values. A value of 0 may | |
38 | // be a valide track of hit number. | |
39 | Int_t i; | |
40 | ||
0599a018 | 41 | for(i=0;i<fgkSize;i++) fTracks[i] = -3; |
42 | for(i=0;i<fgkSize;i++) fHits[i] = -1; | |
43 | for(i=0;i<fgkSize;i++) fTcharges[i] = 0; | |
7f1a504b | 44 | SetSignalExpanded(-1000); |
e869281d | 45 | } |
46 | //________________________________________________________________________ | |
e56160b8 | 47 | AliITSdigitSDD::AliITSdigitSDD(Float_t phys,const Int_t *digits): AliITSdigit(digits), |
48 | fPhysics(phys), | |
49 | fSignalExpanded(0){ | |
7d62fb64 | 50 | |
51 | // Creates a simulated SDD digit object to be updated | |
0599a018 | 52 | for(Int_t i=0;i<fgkSize;i++) fTracks[i] = -3; |
53 | for(Int_t i=0;i<fgkSize;i++) fHits[i] = -1; | |
54 | for(Int_t i=0;i<fgkSize;i++) fTcharges[i] = 0; | |
55 | ||
56 | SetSignalExpanded(-1000); | |
e869281d | 57 | } |
7f1a504b | 58 | |
59 | //________________________________________________________________________ | |
60 | void AliITSdigitSDD::InitObject(Float_t phys,const Int_t *tracks, | |
61 | const Int_t *hits,const Float_t *charges){ | |
7d62fb64 | 62 | |
7f1a504b | 63 | // Protected function used by standard constructors |
64 | fPhysics = phys; | |
0599a018 | 65 | for(Int_t i=0; i<fgkSize; i++) { |
7f1a504b | 66 | fTcharges[i] = charges[i]; |
67 | fTracks[i] = tracks[i]; | |
68 | fHits[i] = hits[i]; | |
69 | } | |
70 | } | |
71 | ||
e869281d | 72 | //_____________________________________________________________________________ |
73 | AliITSdigitSDD::AliITSdigitSDD(Float_t phys,const Int_t *digits, | |
74 | const Int_t *tracks,const Int_t *hits, | |
e56160b8 | 75 | const Float_t *charges):AliITSdigit(digits), |
76 | fPhysics(0), | |
77 | fSignalExpanded(0){ | |
7d62fb64 | 78 | |
79 | // standard constructor | |
7f1a504b | 80 | InitObject(phys,tracks,hits,charges); |
81 | SetSignalExpanded(-1000); | |
82 | } | |
83 | //_____________________________________________________________________________ | |
84 | AliITSdigitSDD::AliITSdigitSDD( Float_t phys,const Int_t *digits, | |
e56160b8 | 85 | const Int_t *tracks,const Int_t *hits,const Float_t *charges, Int_t sige): AliITSdigit(digits), |
86 | fPhysics(0), | |
87 | fSignalExpanded(0){ | |
7d62fb64 | 88 | |
7f1a504b | 89 | //constructor setting also fSignalExpanded |
90 | InitObject(phys,tracks,hits,charges); | |
91 | SetSignalExpanded(sige); | |
92 | } | |
e869281d | 93 | |
7f1a504b | 94 | //_____________________________________________________________________________ |
e869281d | 95 | Int_t AliITSdigitSDD::GetListOfTracks(TArrayI &t,TArrayF &c){ |
7d62fb64 | 96 | |
e869281d | 97 | // Fills the TArrayI t with the tracks found in fTracks removing |
98 | // duplicated tracks, summing up their charge, and ordering the tracks | |
99 | // by the charge contributed to this digit. It will return | |
100 | // the number of tracks and fill the remaining elements to the array | |
101 | // t with -1. | |
102 | // Inputs: | |
103 | // TArrayI &t Reference to a TArrayI to contain the list of | |
104 | // nonduplicated track numbers. | |
105 | // TArrayF &c Reference to a TArrayF to contain the summed charge | |
106 | // contributed by each track. | |
107 | // Output: | |
108 | // TArrayI &t The input array filled with the nonduplicated track | |
109 | // numbers. | |
110 | // TArrayF &c The input array filled with the summed charge | |
111 | // contributed by the corresponding track in the array t. | |
112 | // Return: | |
113 | // Int_t The number of none -1 entries in the TArrayI t. | |
114 | Int_t nt = t.GetSize(); | |
115 | nt = TMath::Min(nt,c.GetSize()); | |
116 | Int_t nth = this->GetNTracks(); | |
117 | Int_t n = 0,i,j; | |
118 | Bool_t inlist = kFALSE; | |
119 | ||
120 | t.Reset(-1); // -1 array. | |
121 | c.Reset(0.0); // zero array. | |
122 | for(i=0;i<nth;i++) { | |
123 | if(this->GetTrack(i) == -1) continue; | |
124 | inlist = kFALSE; | |
125 | for(j=0;j<n;j++)if(this->GetTrack(i) == t.At(j)){ | |
126 | inlist = kTRUE; | |
127 | c.AddAt(this->GetCharge(i)+c.At(j),j); | |
128 | } // end for j/end if | |
129 | if(!inlist){ // add to end of list | |
130 | t.AddAt(this->GetTrack(i),n); | |
131 | c.AddAt(this->GetCharge(i),n); | |
132 | if(n<nt) n++; | |
133 | } // end if | |
134 | } // end for i | |
135 | ||
136 | // Now lets sort the TArrays according to the charge. This algorithm | |
137 | // is based on the method from Chapter 8 section 1 Straight Insertion | |
138 | // sort. Wiliam H. Press, Saul A. Teukolsky, William T. Vetterling | |
139 | // and Brian P. Flannery, "Numerical Recipeis in C, The Art of Scientific | |
140 | // Computing", second Edition page 330 (1997). | |
141 | Int_t tr; | |
142 | Float_t ch; | |
143 | for(i=0;i<n;i++){ | |
144 | tr = t.At(i); | |
145 | ch = c.At(i); | |
146 | j = i-1; | |
147 | while(j>-1 && c.At(j)>ch){ | |
148 | t.AddAt(t.At(j+1),j); | |
149 | c.AddAt(c.At(j+1),j); | |
150 | j--; | |
151 | } // end while | |
152 | t.AddAt(tr,j+1); | |
153 | c.AddAt(ch,j+1); | |
154 | } // end for i | |
155 | // | |
156 | return n; | |
157 | } | |
7f1a504b | 158 | |
159 | ||
e869281d | 160 | //______________________________________________________________________ |
161 | void AliITSdigitSDD::Print(ostream *os){ | |
7d62fb64 | 162 | |
163 | ||
164 | //Standard output format for this class | |
e869281d | 165 | Int_t i; |
166 | ||
167 | AliITSdigit::Print(os); | |
168 | *os <<","<< fPhysics; | |
0599a018 | 169 | for(i=0; i<fgkSize; i++) *os <<","<< fTcharges[i]; |
170 | for(i=0; i<fgkSize; i++) *os <<","<< fTracks[i]; | |
171 | for(i=0; i<fgkSize; i++) *os <<","<< fHits[i]; | |
7f1a504b | 172 | *os <<","<< fSignalExpanded; |
e869281d | 173 | } |
174 | //______________________________________________________________________ | |
175 | void AliITSdigitSDD::Read(istream *os){ | |
7d62fb64 | 176 | |
177 | //Standard input for this class | |
178 | Int_t i; | |
e869281d | 179 | |
180 | AliITSdigit::Read(os); | |
181 | *os >>fPhysics; | |
0599a018 | 182 | for(i=0; i<fgkSize; i++) *os >> fTcharges[i]; |
183 | for(i=0; i<fgkSize; i++) *os >> fTracks[i]; | |
184 | for(i=0; i<fgkSize; i++) *os >> fHits[i]; | |
7f1a504b | 185 | *os >>fSignalExpanded; |
e869281d | 186 | } |
187 | //______________________________________________________________________ | |
188 | ostream &operator<<(ostream &os,AliITSdigitSDD &source){ | |
7d62fb64 | 189 | |
190 | // Standard output streaming function. | |
e869281d | 191 | |
192 | source.Print(&os); | |
193 | return os; | |
194 | } | |
195 | //______________________________________________________________________ | |
196 | istream &operator>>(istream &os,AliITSdigitSDD &source){ | |
7d62fb64 | 197 | |
198 | // Standard output streaming function. | |
e869281d | 199 | |
200 | source.Read(&os); | |
201 | return os; | |
202 | } |