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e8189707 | 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 | #include <TH1.h> | |
17 | #include <TObjArray.h> | |
18 | #include <TMath.h> | |
19 | ||
20 | #include "AliITSMapA2.h" | |
21 | #include "AliITSsegmentation.h" | |
22 | #include "AliITSresponse.h" | |
23 | #include "AliITSdigit.h" | |
24 | ||
25 | ||
26 | ClassImp(AliITSMapA2) | |
27 | ||
28 | AliITSMapA2::AliITSMapA2(AliITSsegmentation *seg) | |
29 | { | |
30 | //constructor | |
31 | fScaleSizeZ=1; | |
32 | fScaleSizeX=1; | |
33 | fSegmentation = seg; | |
34 | fNpz=fSegmentation->Npz(); | |
35 | fNpx=fSegmentation->Npx(); | |
36 | fMaxIndex=fNpz*fNpx+fNpx; // 2 halves of detector | |
37 | ||
38 | fHitMap = new Double_t[fMaxIndex]; | |
39 | fMapThreshold=0.; | |
40 | ClearMap(); | |
41 | } | |
42 | //-------------------------------------- | |
43 | AliITSMapA2::AliITSMapA2(AliITSsegmentation *seg, Int_t scalesizeX, Int_t scalesizeZ) | |
44 | { | |
45 | //constructor | |
46 | fSegmentation = seg; | |
47 | fScaleSizeX=scalesizeX; | |
48 | fScaleSizeZ=scalesizeZ; | |
49 | fNpz=fScaleSizeZ*fSegmentation->Npz(); | |
50 | fNpx=fScaleSizeX*fSegmentation->Npx(); | |
51 | fMaxIndex=fNpz*fNpx+fNpx; // 2 halves of detector | |
52 | ||
53 | fHitMap = new Double_t[fMaxIndex]; | |
54 | fMapThreshold=0.; | |
55 | ClearMap(); | |
56 | } | |
57 | ||
58 | //-------------------------------------- | |
59 | AliITSMapA2::AliITSMapA2(AliITSsegmentation *seg, TObjArray *obj, Double_t thresh) | |
60 | { | |
61 | //constructor | |
62 | fScaleSizeZ=1; | |
63 | fScaleSizeX=1; | |
64 | fSegmentation = seg; | |
65 | fNpz=fSegmentation->Npz(); | |
66 | fNpx=fSegmentation->Npx(); | |
67 | fMaxIndex=fNpz*fNpx+fNpx; // 2 halves of detector | |
68 | ||
69 | fHitMap = new Double_t[fMaxIndex]; | |
70 | fObjects = obj; | |
71 | if (fObjects) fNobjects = fObjects->GetEntriesFast(); | |
72 | fMapThreshold = thresh; | |
73 | ClearMap(); | |
74 | } | |
75 | //-------------------------------------- | |
76 | ||
77 | ||
78 | AliITSMapA2::~AliITSMapA2() | |
79 | { | |
80 | //destructor | |
81 | if (fHitMap) delete[] fHitMap; | |
82 | } | |
83 | //-------------------------------------- | |
84 | ||
85 | //__________________________________________________________________________ | |
86 | AliITSMapA2::AliITSMapA2(const AliITSMapA2 &source){ | |
87 | // Copy Constructor | |
88 | if(&source == this) return; | |
89 | this->fMapThreshold = source.fMapThreshold; | |
90 | this->fScaleSizeX = source.fScaleSizeX; | |
91 | this->fScaleSizeZ = source.fScaleSizeZ; | |
92 | this->fHitMap = source.fHitMap; | |
93 | return; | |
94 | } | |
95 | ||
96 | //_________________________________________________________________________ | |
97 | AliITSMapA2& | |
98 | AliITSMapA2::operator=(const AliITSMapA2 &source) { | |
99 | // Assignment operator | |
100 | if(&source == this) return *this; | |
101 | this->fMapThreshold = source.fMapThreshold; | |
102 | this->fScaleSizeX = source.fScaleSizeX; | |
103 | this->fScaleSizeZ = source.fScaleSizeZ; | |
104 | this->fHitMap = source.fHitMap; | |
105 | return *this; | |
106 | } | |
107 | ||
108 | //_________________________________________________________________________ | |
109 | void AliITSMapA2::ClearMap() | |
110 | { | |
111 | //clear array | |
112 | memset(fHitMap,0,sizeof(Double_t)*fMaxIndex); | |
113 | } | |
114 | ||
115 | //-------------------------------------- | |
116 | void AliITSMapA2::FillMap() | |
117 | { | |
118 | ||
119 | // fills signal map from digits - apply a threshold for signal | |
120 | ||
121 | if (!fObjects) return; | |
122 | ||
123 | Int_t ndigits = fObjects->GetEntriesFast(); | |
124 | if (!ndigits) return; | |
125 | ||
126 | AliITSdigit *dig; | |
127 | for (Int_t ndig=0; ndig<ndigits; ndig++) { | |
128 | dig = (AliITSdigit*)fObjects->UncheckedAt(ndig); | |
129 | Double_t signal = (Double_t)(dig->fSignal); | |
130 | if (signal >= fMapThreshold) SetHit(dig->fCoord1,dig->fCoord2,signal); | |
131 | } | |
132 | } | |
133 | ||
134 | //-------------------------------------- | |
135 | void AliITSMapA2::SetHit(Int_t iz, Int_t ix, Double_t signal) | |
136 | { | |
137 | // set signal at a certain position in array | |
138 | fHitMap[CheckedIndex(iz, ix)]=signal; | |
139 | ||
140 | } | |
141 | ||
142 | //-------------------------------------- | |
143 | void AliITSMapA2::DeleteHit(Int_t iz, Int_t ix) | |
144 | { | |
145 | //set the entry value to zero | |
146 | fHitMap[CheckedIndex(iz, ix)]=0; | |
147 | } | |
148 | ||
149 | //-------------------------------------- | |
150 | void AliITSMapA2::FlagHit(Int_t iz, Int_t ix) | |
151 | { | |
152 | //flag an entry | |
153 | fHitMap[CheckedIndex(iz, ix)]= | |
154 | -1000.*TMath::Abs((Int_t)(fHitMap[CheckedIndex(iz, ix)])+1.); | |
155 | ||
156 | } | |
157 | ||
158 | //-------------------------------------- | |
159 | Int_t AliITSMapA2::GetHitIndex(Int_t iz, Int_t ix) | |
160 | { | |
161 | //return the index of an entry in array | |
162 | return CheckedIndex(iz, ix); | |
163 | } | |
164 | ||
165 | //-------------------------------------- | |
166 | TObject* AliITSMapA2::GetHit(Int_t i, Int_t dummy) | |
167 | { | |
168 | ||
169 | //return a pointer to the 1D histogram | |
170 | if (fObjects) { | |
171 | ||
172 | return fObjects->UncheckedAt(i); | |
173 | ||
174 | } else return NULL; | |
175 | ||
176 | } | |
177 | ||
178 | //-------------------------------------- | |
179 | Double_t AliITSMapA2::GetSignal(Int_t iz, Int_t ix) | |
180 | { | |
181 | //get signal in a cell | |
182 | Int_t index=GetHitIndex(iz,ix); | |
183 | return (index <0) ? 0. : fHitMap[CheckedIndex(iz, ix)]; | |
184 | } | |
185 | ||
186 | //-------------------------------------- | |
187 | Double_t AliITSMapA2::GetSignal(Int_t index) | |
188 | { | |
189 | //get signal in a cell | |
190 | if (index<fMaxIndex) return (index <0) ? 0. : fHitMap[index]; | |
191 | else return 0.; | |
192 | } | |
193 | //-------------------------------------- | |
194 | FlagType AliITSMapA2::TestHit(Int_t iz, Int_t ix) | |
195 | { | |
196 | // check if the entry has already been flagged | |
197 | Int_t inf=(Int_t)fHitMap[CheckedIndex(iz, ix)]; | |
198 | ||
199 | if (inf <= -1000) { | |
200 | return kUsed; | |
201 | } else if (inf == 0) { | |
202 | return kEmpty; | |
203 | } else { | |
204 | return kUnused; | |
205 | } | |
206 | } | |
207 | ||
208 | //-------------------------------------- | |
209 | void AliITSMapA2::FillMapFromHist() | |
210 | { | |
211 | ||
212 | // fills map from 1D histograms | |
213 | ||
214 | if (!fObjects) return; | |
215 | ||
216 | // an example | |
217 | for( Int_t i=0; i<fNobjects; i++) { | |
218 | TH1F *hist =(TH1F *)fObjects->UncheckedAt(i); | |
219 | Int_t nsamples = hist->GetNbinsX(); | |
220 | for( Int_t j=0; j<nsamples; j++) { | |
221 | Double_t signal = (Double_t)(hist->GetBinContent(j+1)); | |
222 | if (signal >= fMapThreshold) SetHit(i,j,signal); | |
223 | } | |
224 | } | |
225 | ||
226 | } | |
227 | //-------------------------------------- | |
228 | void AliITSMapA2::FillHist() | |
229 | { | |
230 | ||
231 | // fill 1D histograms from map | |
232 | if (!fObjects || fScaleSizeX != 1) return; | |
233 | ||
234 | // an example | |
235 | for( Int_t i=0; i<fNobjects; i++) { | |
236 | TH1F *hist =(TH1F *)fObjects->UncheckedAt(i); | |
237 | for( Int_t j=0; j<fNpx; j++) { | |
238 | Double_t signal=GetSignal(i,j); | |
239 | if (signal >= fMapThreshold) hist->Fill((Float_t)j,signal); | |
240 | } | |
241 | } | |
242 | ||
243 | } | |
244 | //-------------------------------------- | |
245 | void AliITSMapA2::ResetHist() | |
246 | { | |
247 | // | |
248 | // Reset histograms | |
249 | // | |
250 | ||
251 | if (!fObjects) return; | |
252 | ||
253 | for( Int_t i=0; i<fNobjects; i++) { | |
254 | if ((*fObjects)[i]) ((TH1F*)(*fObjects)[i])->Reset(); | |
255 | } | |
256 | ||
257 | } | |
258 |