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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 | ||
94d90134 | 28 | AliITSMapA2::AliITSMapA2() |
29 | { | |
30 | // default constructor | |
31 | fSegmentation = 0; | |
32 | fNpz=0; | |
33 | fNpx=0; | |
34 | fMaxIndex=0; | |
35 | ||
f50d33af | 36 | fHitMapD = 0; |
94d90134 | 37 | fObjects = 0; |
38 | fNobjects = 0; | |
f50d33af | 39 | fMapThresholdD=0.; |
94d90134 | 40 | } |
41 | ||
e8189707 | 42 | AliITSMapA2::AliITSMapA2(AliITSsegmentation *seg) |
43 | { | |
44 | //constructor | |
45 | fScaleSizeZ=1; | |
46 | fScaleSizeX=1; | |
47 | fSegmentation = seg; | |
48 | fNpz=fSegmentation->Npz(); | |
49 | fNpx=fSegmentation->Npx(); | |
50 | fMaxIndex=fNpz*fNpx+fNpx; // 2 halves of detector | |
51 | ||
f50d33af | 52 | fHitMapD = new Double_t[fMaxIndex]; |
53 | fMapThresholdD=0.; | |
94d90134 | 54 | fObjects = 0; |
55 | fNobjects = 0; | |
e8189707 | 56 | ClearMap(); |
57 | } | |
58 | //-------------------------------------- | |
59 | AliITSMapA2::AliITSMapA2(AliITSsegmentation *seg, Int_t scalesizeX, Int_t scalesizeZ) | |
60 | { | |
61 | //constructor | |
62 | fSegmentation = seg; | |
63 | fScaleSizeX=scalesizeX; | |
64 | fScaleSizeZ=scalesizeZ; | |
65 | fNpz=fScaleSizeZ*fSegmentation->Npz(); | |
66 | fNpx=fScaleSizeX*fSegmentation->Npx(); | |
67 | fMaxIndex=fNpz*fNpx+fNpx; // 2 halves of detector | |
68 | ||
f50d33af | 69 | fHitMapD = new Double_t[fMaxIndex]; |
70 | fMapThresholdD=0.; | |
94d90134 | 71 | fObjects = 0; |
72 | fNobjects = 0; | |
e8189707 | 73 | ClearMap(); |
74 | } | |
75 | ||
76 | //-------------------------------------- | |
77 | AliITSMapA2::AliITSMapA2(AliITSsegmentation *seg, TObjArray *obj, Double_t thresh) | |
78 | { | |
79 | //constructor | |
94d90134 | 80 | fNobjects = 0; |
e8189707 | 81 | fScaleSizeZ=1; |
82 | fScaleSizeX=1; | |
83 | fSegmentation = seg; | |
84 | fNpz=fSegmentation->Npz(); | |
85 | fNpx=fSegmentation->Npx(); | |
86 | fMaxIndex=fNpz*fNpx+fNpx; // 2 halves of detector | |
87 | ||
f50d33af | 88 | fHitMapD = new Double_t[fMaxIndex]; |
e8189707 | 89 | fObjects = obj; |
90 | if (fObjects) fNobjects = fObjects->GetEntriesFast(); | |
f50d33af | 91 | fMapThresholdD = thresh; |
e8189707 | 92 | ClearMap(); |
93 | } | |
94 | //-------------------------------------- | |
95 | ||
96 | ||
97 | AliITSMapA2::~AliITSMapA2() | |
98 | { | |
99 | //destructor | |
f50d33af | 100 | if (fHitMapD) delete[] fHitMapD; |
e8189707 | 101 | } |
102 | //-------------------------------------- | |
103 | ||
104 | //__________________________________________________________________________ | |
105 | AliITSMapA2::AliITSMapA2(const AliITSMapA2 &source){ | |
106 | // Copy Constructor | |
107 | if(&source == this) return; | |
f50d33af | 108 | this->fMapThresholdD = source.fMapThresholdD; |
e8189707 | 109 | this->fScaleSizeX = source.fScaleSizeX; |
110 | this->fScaleSizeZ = source.fScaleSizeZ; | |
f50d33af | 111 | this->fHitMapD = source.fHitMapD; |
e8189707 | 112 | return; |
113 | } | |
114 | ||
115 | //_________________________________________________________________________ | |
116 | AliITSMapA2& | |
117 | AliITSMapA2::operator=(const AliITSMapA2 &source) { | |
118 | // Assignment operator | |
119 | if(&source == this) return *this; | |
f50d33af | 120 | this->fMapThresholdD = source.fMapThresholdD; |
e8189707 | 121 | this->fScaleSizeX = source.fScaleSizeX; |
122 | this->fScaleSizeZ = source.fScaleSizeZ; | |
f50d33af | 123 | this->fHitMapD = source.fHitMapD; |
e8189707 | 124 | return *this; |
125 | } | |
126 | ||
127 | //_________________________________________________________________________ | |
128 | void AliITSMapA2::ClearMap() | |
129 | { | |
130 | //clear array | |
f50d33af | 131 | memset(fHitMapD,0,sizeof(Double_t)*fMaxIndex); |
e8189707 | 132 | } |
133 | ||
134 | //-------------------------------------- | |
135 | void AliITSMapA2::FillMap() | |
136 | { | |
137 | ||
138 | // fills signal map from digits - apply a threshold for signal | |
94d90134 | 139 | |
e8189707 | 140 | if (!fObjects) return; |
141 | ||
142 | Int_t ndigits = fObjects->GetEntriesFast(); | |
143 | if (!ndigits) return; | |
144 | ||
145 | AliITSdigit *dig; | |
146 | for (Int_t ndig=0; ndig<ndigits; ndig++) { | |
147 | dig = (AliITSdigit*)fObjects->UncheckedAt(ndig); | |
148 | Double_t signal = (Double_t)(dig->fSignal); | |
f50d33af | 149 | if (signal > fMapThresholdD) SetHit(dig->fCoord1,dig->fCoord2,signal); |
e8189707 | 150 | } |
151 | } | |
152 | ||
153 | //-------------------------------------- | |
154 | void AliITSMapA2::SetHit(Int_t iz, Int_t ix, Double_t signal) | |
155 | { | |
156 | // set signal at a certain position in array | |
f50d33af | 157 | fHitMapD[CheckedIndex(iz, ix)]=signal; |
e8189707 | 158 | |
159 | } | |
160 | ||
161 | //-------------------------------------- | |
162 | void AliITSMapA2::DeleteHit(Int_t iz, Int_t ix) | |
163 | { | |
164 | //set the entry value to zero | |
f50d33af | 165 | fHitMapD[CheckedIndex(iz, ix)]=0; |
e8189707 | 166 | } |
167 | ||
168 | //-------------------------------------- | |
169 | void AliITSMapA2::FlagHit(Int_t iz, Int_t ix) | |
170 | { | |
171 | //flag an entry | |
f50d33af | 172 | fHitMapD[CheckedIndex(iz, ix)]= |
173 | -1000.*TMath::Abs((Int_t)(fHitMapD[CheckedIndex(iz, ix)])+1.); | |
e8189707 | 174 | |
175 | } | |
176 | ||
177 | //-------------------------------------- | |
178 | Int_t AliITSMapA2::GetHitIndex(Int_t iz, Int_t ix) | |
179 | { | |
180 | //return the index of an entry in array | |
181 | return CheckedIndex(iz, ix); | |
182 | } | |
183 | ||
184 | //-------------------------------------- | |
185 | TObject* AliITSMapA2::GetHit(Int_t i, Int_t dummy) | |
186 | { | |
187 | ||
188 | //return a pointer to the 1D histogram | |
189 | if (fObjects) { | |
190 | ||
191 | return fObjects->UncheckedAt(i); | |
192 | ||
193 | } else return NULL; | |
194 | ||
195 | } | |
196 | ||
197 | //-------------------------------------- | |
198 | Double_t AliITSMapA2::GetSignal(Int_t iz, Int_t ix) | |
199 | { | |
200 | //get signal in a cell | |
201 | Int_t index=GetHitIndex(iz,ix); | |
f50d33af | 202 | return (index <0) ? 0. : fHitMapD[CheckedIndex(iz, ix)]; |
e8189707 | 203 | } |
204 | ||
205 | //-------------------------------------- | |
206 | Double_t AliITSMapA2::GetSignal(Int_t index) | |
207 | { | |
208 | //get signal in a cell | |
f50d33af | 209 | if (index<fMaxIndex) return (index <0) ? 0. : fHitMapD[index]; |
e8189707 | 210 | else return 0.; |
211 | } | |
212 | //-------------------------------------- | |
213 | FlagType AliITSMapA2::TestHit(Int_t iz, Int_t ix) | |
214 | { | |
215 | // check if the entry has already been flagged | |
94d90134 | 216 | |
217 | if (CheckedIndex(iz, ix) < 0) return kEmpty; | |
f50d33af | 218 | Int_t inf=(Int_t)fHitMapD[CheckedIndex(iz, ix)]; |
e8189707 | 219 | |
220 | if (inf <= -1000) { | |
221 | return kUsed; | |
222 | } else if (inf == 0) { | |
223 | return kEmpty; | |
224 | } else { | |
225 | return kUnused; | |
226 | } | |
227 | } | |
228 | ||
229 | //-------------------------------------- | |
230 | void AliITSMapA2::FillMapFromHist() | |
231 | { | |
232 | ||
233 | // fills map from 1D histograms | |
234 | ||
235 | if (!fObjects) return; | |
236 | ||
237 | // an example | |
238 | for( Int_t i=0; i<fNobjects; i++) { | |
239 | TH1F *hist =(TH1F *)fObjects->UncheckedAt(i); | |
240 | Int_t nsamples = hist->GetNbinsX(); | |
241 | for( Int_t j=0; j<nsamples; j++) { | |
242 | Double_t signal = (Double_t)(hist->GetBinContent(j+1)); | |
f50d33af | 243 | if (signal > fMapThresholdD) SetHit(i,j,signal); |
e8189707 | 244 | } |
245 | } | |
246 | ||
247 | } | |
248 | //-------------------------------------- | |
249 | void AliITSMapA2::FillHist() | |
250 | { | |
251 | ||
252 | // fill 1D histograms from map | |
253 | if (!fObjects || fScaleSizeX != 1) return; | |
254 | ||
255 | // an example | |
256 | for( Int_t i=0; i<fNobjects; i++) { | |
257 | TH1F *hist =(TH1F *)fObjects->UncheckedAt(i); | |
258 | for( Int_t j=0; j<fNpx; j++) { | |
259 | Double_t signal=GetSignal(i,j); | |
f50d33af | 260 | if (signal > fMapThresholdD) hist->Fill((Float_t)j,signal); |
e8189707 | 261 | } |
262 | } | |
263 | ||
264 | } | |
265 | //-------------------------------------- | |
266 | void AliITSMapA2::ResetHist() | |
267 | { | |
268 | // | |
269 | // Reset histograms | |
270 | // | |
271 | ||
272 | if (!fObjects) return; | |
273 | ||
274 | for( Int_t i=0; i<fNobjects; i++) { | |
275 | if ((*fObjects)[i]) ((TH1F*)(*fObjects)[i])->Reset(); | |
276 | } | |
277 | ||
278 | } | |
279 |