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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> | |
e8189707 | 18 | |
19 | #include "AliITSMapA2.h" | |
20 | #include "AliITSsegmentation.h" | |
e8189707 | 21 | #include "AliITSdigit.h" |
22 | ||
766e3066 | 23 | //////////////////////////////////////////////////////////////////////// |
24 | // Map Class for ITS. Implementation A2. In this implementation, the // | |
25 | // 2 dimensional (iz,ix) map is filled with Double precision floating // | |
26 | // point values. Since this class is derived for AliITSMapA1 it also // | |
27 | // has all of the functionality of that class as well. For each // | |
28 | // cell a corresponding TObject, a hit, can also be stored. // | |
29 | // The detector geometry is accessed via the that detectors // | |
30 | // segmentation class and stored here for conveniance. // | |
31 | //////////////////////////////////////////////////////////////////////// | |
e8189707 | 32 | |
33 | ClassImp(AliITSMapA2) | |
34 | ||
766e3066 | 35 | //______________________________________________________________________ |
36 | AliITSMapA2::AliITSMapA2(){ | |
37 | // default constructor | |
94d90134 | 38 | |
766e3066 | 39 | fSegmentation = 0; |
40 | fNpz = 0; | |
41 | fNpx = 0; | |
42 | fMaxIndex = 0; | |
43 | fHitMapD = 0; | |
44 | fObjects = 0; | |
45 | fNobjects = 0; | |
46 | fMapThresholdD =0.; | |
e8189707 | 47 | } |
766e3066 | 48 | //______________________________________________________________________ |
49 | AliITSMapA2::AliITSMapA2(AliITSsegmentation *seg){ | |
50 | //constructor | |
e8189707 | 51 | |
766e3066 | 52 | fScaleSizeZ = 1; |
53 | fScaleSizeX = 1; | |
54 | fSegmentation = seg; | |
55 | fNpz = fSegmentation->Npz(); | |
56 | fNpx = fSegmentation->Npx(); | |
57 | fMaxIndex = fNpz*fNpx+fNpx; // 2 halves of detector | |
645ecce9 | 58 | fHitMapD = new Double_t[fMaxIndex+1]; |
766e3066 | 59 | fMapThresholdD = 0.; |
60 | fObjects = 0; | |
61 | fNobjects = 0; | |
62 | ClearMap(); | |
e8189707 | 63 | } |
766e3066 | 64 | //______________________________________________________________________ |
65 | AliITSMapA2::AliITSMapA2(AliITSsegmentation *seg, | |
66 | Int_t scalesizeX, Int_t scalesizeZ){ | |
67 | //constructor | |
e8189707 | 68 | |
766e3066 | 69 | fSegmentation = seg; |
70 | fScaleSizeX = scalesizeX; | |
71 | fScaleSizeZ = scalesizeZ; | |
72 | fNpz = fScaleSizeZ*fSegmentation->Npz(); | |
73 | fNpx = fScaleSizeX*fSegmentation->Npx(); | |
74 | fMaxIndex = fNpz*fNpx+fNpx; // 2 halves of detector | |
e3df8399 | 75 | fHitMapD = new Double_t[fMaxIndex+1]; |
766e3066 | 76 | fMapThresholdD = 0.; |
77 | fObjects = 0; | |
78 | fNobjects = 0; | |
79 | ClearMap(); | |
e8189707 | 80 | } |
766e3066 | 81 | //______________________________________________________________________ |
82 | AliITSMapA2::AliITSMapA2(AliITSsegmentation *seg, TObjArray *obj, | |
83 | Double_t thresh){ | |
84 | //constructor | |
e8189707 | 85 | |
766e3066 | 86 | fNobjects = 0; |
87 | fScaleSizeZ = 1; | |
88 | fScaleSizeX = 1; | |
89 | fSegmentation = seg; | |
90 | fNpz = fSegmentation->Npz(); | |
91 | fNpx = fSegmentation->Npx(); | |
92 | fMaxIndex = fNpz*fNpx+fNpx; // 2 halves of detector | |
e3df8399 | 93 | fHitMapD = new Double_t[fMaxIndex+1]; |
766e3066 | 94 | fObjects = obj; |
95 | if (fObjects) fNobjects = fObjects->GetEntriesFast(); | |
96 | fMapThresholdD = thresh; | |
97 | ClearMap(); | |
e8189707 | 98 | } |
766e3066 | 99 | //______________________________________________________________________ |
100 | AliITSMapA2::~AliITSMapA2(){ | |
101 | //destructor | |
e8189707 | 102 | |
766e3066 | 103 | if (fHitMapD) delete[] fHitMapD; |
e8189707 | 104 | } |
766e3066 | 105 | //______________________________________________________________________ |
ac74f489 | 106 | AliITSMapA2::AliITSMapA2(const AliITSMapA2 &source) : AliITSMapA1(source){ |
766e3066 | 107 | // Copy Constructor |
e8189707 | 108 | |
766e3066 | 109 | if(&source == this) return; |
110 | ||
111 | this->fMapThresholdD = source.fMapThresholdD; | |
112 | this->fScaleSizeX = source.fScaleSizeX; | |
113 | this->fScaleSizeZ = source.fScaleSizeZ; | |
114 | this->fHitMapD = source.fHitMapD; | |
115 | return; | |
e8189707 | 116 | } |
766e3066 | 117 | //______________________________________________________________________ |
118 | AliITSMapA2& AliITSMapA2::operator=(const AliITSMapA2 &source) { | |
119 | // Assignment operator | |
e8189707 | 120 | |
766e3066 | 121 | if(&source == this) return *this; |
122 | ||
123 | this->fMapThresholdD = source.fMapThresholdD; | |
124 | this->fScaleSizeX = source.fScaleSizeX; | |
125 | this->fScaleSizeZ = source.fScaleSizeZ; | |
126 | this->fHitMapD = source.fHitMapD; | |
127 | return *this; | |
e8189707 | 128 | } |
766e3066 | 129 | //______________________________________________________________________ |
130 | void AliITSMapA2::ClearMap(){ | |
131 | //clear array | |
e8189707 | 132 | |
766e3066 | 133 | memset(fHitMapD,0,sizeof(Double_t)*fMaxIndex); |
134 | } | |
135 | //______________________________________________________________________ | |
136 | void AliITSMapA2::FillMap(){ | |
137 | // fills signal map from digits - apply a threshold for signal | |
e8189707 | 138 | |
766e3066 | 139 | if (!fObjects) return; |
140 | ||
141 | Int_t ndigits = fObjects->GetEntriesFast(); | |
142 | if (!ndigits) return; | |
143 | ||
144 | AliITSdigit *dig; | |
145 | for (Int_t ndig=0; ndig<ndigits; ndig++) { | |
146 | dig = (AliITSdigit*)fObjects->UncheckedAt(ndig); | |
ecee53fc | 147 | Double_t signal = (Double_t)(dig->GetSignal()); |
148 | if (signal > fMapThresholdD) SetHit(dig->GetCoord1(),dig->GetCoord2(),signal); | |
766e3066 | 149 | } // end for ndig |
e8189707 | 150 | } |
766e3066 | 151 | //______________________________________________________________________ |
766e3066 | 152 | void AliITSMapA2::FlagHit(Int_t iz, Int_t ix){ |
153 | //flag an entry | |
e8189707 | 154 | |
766e3066 | 155 | fHitMapD[CheckedIndex(iz, ix)]= |
156 | -1000.*TMath::Abs((Int_t)(fHitMapD[CheckedIndex(iz, ix)])+1.); | |
e8189707 | 157 | } |
766e3066 | 158 | //______________________________________________________________________ |
766e3066 | 159 | TObject* AliITSMapA2::GetHit(Int_t i, Int_t dummy){ |
160 | //return a pointer to the 1D histogram | |
e8189707 | 161 | |
ac74f489 | 162 | dummy = 0; // added to remove unused variable warning. |
766e3066 | 163 | if (fObjects) { |
164 | return fObjects->UncheckedAt(i); | |
165 | } else return NULL; | |
e8189707 | 166 | } |
766e3066 | 167 | //______________________________________________________________________ |
168 | Double_t AliITSMapA2::GetSignal(Int_t index){ | |
169 | //get signal in a cell | |
e8189707 | 170 | |
766e3066 | 171 | if (index<fMaxIndex) return (index <0) ? 0. : fHitMapD[index]; |
172 | else return 0.; | |
e8189707 | 173 | } |
766e3066 | 174 | //______________________________________________________________________ |
175 | FlagType AliITSMapA2::TestHit(Int_t iz, Int_t ix){ | |
176 | // check if the entry has already been flagged | |
94d90134 | 177 | |
178 | if (CheckedIndex(iz, ix) < 0) return kEmpty; | |
f50d33af | 179 | Int_t inf=(Int_t)fHitMapD[CheckedIndex(iz, ix)]; |
e8189707 | 180 | |
181 | if (inf <= -1000) { | |
766e3066 | 182 | return kUsed; |
e8189707 | 183 | } else if (inf == 0) { |
766e3066 | 184 | return kEmpty; |
e8189707 | 185 | } else { |
766e3066 | 186 | return kUnused; |
187 | } // end if inf... | |
e8189707 | 188 | } |
766e3066 | 189 | //______________________________________________________________________ |
190 | void AliITSMapA2::FillMapFromHist(){ | |
191 | // fills map from 1D histograms | |
e8189707 | 192 | |
766e3066 | 193 | if (!fObjects) return; |
194 | ||
195 | // an example | |
196 | for( Int_t i=0; i<fNobjects; i++) { | |
197 | TH1F *hist =(TH1F *)fObjects->UncheckedAt(i); | |
198 | Int_t nsamples = hist->GetNbinsX(); | |
199 | for( Int_t j=0; j<nsamples; j++) { | |
200 | Double_t signal = (Double_t)(hist->GetBinContent(j+1)); | |
201 | if (signal > fMapThresholdD) SetHit(i,j,signal); | |
202 | } // end for j | |
203 | } // end for i | |
e8189707 | 204 | } |
766e3066 | 205 | //______________________________________________________________________ |
206 | void AliITSMapA2::FillHist(){ | |
207 | // fill 1D histograms from map | |
208 | ||
209 | if (!fObjects || fScaleSizeX != 1) return; | |
210 | ||
211 | // an example | |
212 | for( Int_t i=0; i<fNobjects; i++) { | |
213 | TH1F *hist =(TH1F *)fObjects->UncheckedAt(i); | |
214 | for( Int_t j=0; j<fNpx; j++) { | |
215 | Double_t signal=GetSignal(i,j); | |
216 | if (signal > fMapThresholdD) hist->Fill((Float_t)j,signal); | |
217 | } // end for j | |
218 | } // end for i | |
e8189707 | 219 | } |
766e3066 | 220 | //______________________________________________________________________ |
221 | void AliITSMapA2::ResetHist(){ | |
222 | // Reset histograms | |
223 | ||
224 | if (!fObjects) return; | |
225 | ||
226 | for( Int_t i=0; i<fNobjects; i++) { | |
227 | if ((*fObjects)[i]) ((TH1F*)(*fObjects)[i])->Reset(); | |
228 | } // end for i | |
e8189707 | 229 | } |
766e3066 | 230 | //______________________________________________________________________ |
231 | void AliITSMapA2::AddSignal(Int_t iz,Int_t ix,Double_t sig){ | |
232 | // Addes sig to cell iz. equivalent to the very common | |
233 | // sig = fMapA2->GetSignal(iz,ix) + sig; fMapA2->SetHit(iz,ix,sig); | |
e8189707 | 234 | |
766e3066 | 235 | |
236 | Int_t index=GetHitIndex(iz,ix); | |
237 | if(index<0) return; | |
238 | fHitMapD[CheckedIndex(iz, ix)] += sig; | |
239 | } |