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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 | //______________________________________________________________________ |
e56160b8 | 36 | AliITSMapA2::AliITSMapA2(): |
37 | fHitMapD(0), | |
38 | fMapThresholdD(0), | |
39 | fScaleSizeX(0), | |
40 | fScaleSizeZ(0){ | |
766e3066 | 41 | // default constructor |
94d90134 | 42 | |
766e3066 | 43 | fSegmentation = 0; |
44 | fNpz = 0; | |
45 | fNpx = 0; | |
46 | fMaxIndex = 0; | |
766e3066 | 47 | fObjects = 0; |
48 | fNobjects = 0; | |
e8189707 | 49 | } |
766e3066 | 50 | //______________________________________________________________________ |
e56160b8 | 51 | AliITSMapA2::AliITSMapA2(AliITSsegmentation *seg): |
52 | fHitMapD(0), | |
53 | fMapThresholdD(0), | |
54 | fScaleSizeX(1), | |
55 | fScaleSizeZ(1){ | |
766e3066 | 56 | //constructor |
e8189707 | 57 | |
766e3066 | 58 | fSegmentation = seg; |
59 | fNpz = fSegmentation->Npz(); | |
60 | fNpx = fSegmentation->Npx(); | |
61 | fMaxIndex = fNpz*fNpx+fNpx; // 2 halves of detector | |
645ecce9 | 62 | fHitMapD = new Double_t[fMaxIndex+1]; |
766e3066 | 63 | fObjects = 0; |
64 | fNobjects = 0; | |
65 | ClearMap(); | |
e8189707 | 66 | } |
766e3066 | 67 | //______________________________________________________________________ |
68 | AliITSMapA2::AliITSMapA2(AliITSsegmentation *seg, | |
e56160b8 | 69 | Int_t scalesizeX, Int_t scalesizeZ): |
70 | fHitMapD(0), | |
71 | fMapThresholdD(0), | |
72 | fScaleSizeX(scalesizeX), | |
73 | fScaleSizeZ(scalesizeZ){ | |
766e3066 | 74 | //constructor |
e8189707 | 75 | |
766e3066 | 76 | fSegmentation = seg; |
766e3066 | 77 | fNpz = fScaleSizeZ*fSegmentation->Npz(); |
78 | fNpx = fScaleSizeX*fSegmentation->Npx(); | |
79 | fMaxIndex = fNpz*fNpx+fNpx; // 2 halves of detector | |
e3df8399 | 80 | fHitMapD = new Double_t[fMaxIndex+1]; |
766e3066 | 81 | fObjects = 0; |
82 | fNobjects = 0; | |
83 | ClearMap(); | |
e8189707 | 84 | } |
766e3066 | 85 | //______________________________________________________________________ |
86 | AliITSMapA2::AliITSMapA2(AliITSsegmentation *seg, TObjArray *obj, | |
e56160b8 | 87 | Double_t thresh): |
88 | fHitMapD(0), | |
89 | fMapThresholdD(thresh), | |
90 | fScaleSizeX(1), | |
91 | fScaleSizeZ(1){ | |
766e3066 | 92 | //constructor |
e8189707 | 93 | |
766e3066 | 94 | fNobjects = 0; |
766e3066 | 95 | fSegmentation = seg; |
96 | fNpz = fSegmentation->Npz(); | |
97 | fNpx = fSegmentation->Npx(); | |
98 | fMaxIndex = fNpz*fNpx+fNpx; // 2 halves of detector | |
e3df8399 | 99 | fHitMapD = new Double_t[fMaxIndex+1]; |
766e3066 | 100 | fObjects = obj; |
101 | if (fObjects) fNobjects = fObjects->GetEntriesFast(); | |
766e3066 | 102 | ClearMap(); |
e8189707 | 103 | } |
766e3066 | 104 | //______________________________________________________________________ |
105 | AliITSMapA2::~AliITSMapA2(){ | |
106 | //destructor | |
e8189707 | 107 | |
766e3066 | 108 | if (fHitMapD) delete[] fHitMapD; |
e8189707 | 109 | } |
766e3066 | 110 | //______________________________________________________________________ |
e56160b8 | 111 | AliITSMapA2::AliITSMapA2(const AliITSMapA2 &source) : AliITSMapA1(source), |
112 | fHitMapD(source.fHitMapD), | |
113 | fMapThresholdD(source.fMapThresholdD), | |
114 | fScaleSizeX(source.fScaleSizeX), | |
115 | fScaleSizeZ(source.fScaleSizeZ){ | |
766e3066 | 116 | // Copy Constructor |
e8189707 | 117 | |
e8189707 | 118 | } |
766e3066 | 119 | //______________________________________________________________________ |
120 | AliITSMapA2& AliITSMapA2::operator=(const AliITSMapA2 &source) { | |
121 | // Assignment operator | |
e56160b8 | 122 | this->~AliITSMapA2(); |
123 | new(this) AliITSMapA2(source); | |
124 | return *this; | |
e8189707 | 125 | |
e8189707 | 126 | } |
e56160b8 | 127 | |
766e3066 | 128 | //______________________________________________________________________ |
129 | void AliITSMapA2::ClearMap(){ | |
130 | //clear array | |
e8189707 | 131 | |
766e3066 | 132 | memset(fHitMapD,0,sizeof(Double_t)*fMaxIndex); |
133 | } | |
134 | //______________________________________________________________________ | |
135 | void AliITSMapA2::FillMap(){ | |
136 | // fills signal map from digits - apply a threshold for signal | |
e8189707 | 137 | |
766e3066 | 138 | if (!fObjects) return; |
139 | ||
140 | Int_t ndigits = fObjects->GetEntriesFast(); | |
141 | if (!ndigits) return; | |
142 | ||
143 | AliITSdigit *dig; | |
144 | for (Int_t ndig=0; ndig<ndigits; ndig++) { | |
145 | dig = (AliITSdigit*)fObjects->UncheckedAt(ndig); | |
ecee53fc | 146 | Double_t signal = (Double_t)(dig->GetSignal()); |
147 | if (signal > fMapThresholdD) SetHit(dig->GetCoord1(),dig->GetCoord2(),signal); | |
766e3066 | 148 | } // end for ndig |
e8189707 | 149 | } |
766e3066 | 150 | //______________________________________________________________________ |
766e3066 | 151 | void AliITSMapA2::FlagHit(Int_t iz, Int_t ix){ |
152 | //flag an entry | |
e8189707 | 153 | |
766e3066 | 154 | fHitMapD[CheckedIndex(iz, ix)]= |
155 | -1000.*TMath::Abs((Int_t)(fHitMapD[CheckedIndex(iz, ix)])+1.); | |
e8189707 | 156 | } |
766e3066 | 157 | //______________________________________________________________________ |
590d15ee | 158 | TObject* AliITSMapA2::GetHit(Int_t i, Int_t dummy) const { |
766e3066 | 159 | //return a pointer to the 1D histogram |
e8189707 | 160 | |
ac74f489 | 161 | dummy = 0; // added to remove unused variable warning. |
766e3066 | 162 | if (fObjects) { |
163 | return fObjects->UncheckedAt(i); | |
164 | } else return NULL; | |
e8189707 | 165 | } |
766e3066 | 166 | //______________________________________________________________________ |
590d15ee | 167 | Double_t AliITSMapA2::GetSignal(Int_t index) const { |
766e3066 | 168 | //get signal in a cell |
e8189707 | 169 | |
766e3066 | 170 | if (index<fMaxIndex) return (index <0) ? 0. : fHitMapD[index]; |
171 | else return 0.; | |
e8189707 | 172 | } |
766e3066 | 173 | //______________________________________________________________________ |
174 | FlagType AliITSMapA2::TestHit(Int_t iz, Int_t ix){ | |
175 | // check if the entry has already been flagged | |
94d90134 | 176 | |
177 | if (CheckedIndex(iz, ix) < 0) return kEmpty; | |
f50d33af | 178 | Int_t inf=(Int_t)fHitMapD[CheckedIndex(iz, ix)]; |
e8189707 | 179 | |
180 | if (inf <= -1000) { | |
766e3066 | 181 | return kUsed; |
e8189707 | 182 | } else if (inf == 0) { |
766e3066 | 183 | return kEmpty; |
e8189707 | 184 | } else { |
766e3066 | 185 | return kUnused; |
186 | } // end if inf... | |
e8189707 | 187 | } |
766e3066 | 188 | //______________________________________________________________________ |
189 | void AliITSMapA2::FillMapFromHist(){ | |
190 | // fills map from 1D histograms | |
e8189707 | 191 | |
766e3066 | 192 | if (!fObjects) return; |
193 | ||
194 | // an example | |
195 | for( Int_t i=0; i<fNobjects; i++) { | |
196 | TH1F *hist =(TH1F *)fObjects->UncheckedAt(i); | |
197 | Int_t nsamples = hist->GetNbinsX(); | |
198 | for( Int_t j=0; j<nsamples; j++) { | |
199 | Double_t signal = (Double_t)(hist->GetBinContent(j+1)); | |
200 | if (signal > fMapThresholdD) SetHit(i,j,signal); | |
201 | } // end for j | |
202 | } // end for i | |
e8189707 | 203 | } |
766e3066 | 204 | //______________________________________________________________________ |
205 | void AliITSMapA2::FillHist(){ | |
206 | // fill 1D histograms from map | |
207 | ||
208 | if (!fObjects || fScaleSizeX != 1) return; | |
209 | ||
210 | // an example | |
211 | for( Int_t i=0; i<fNobjects; i++) { | |
212 | TH1F *hist =(TH1F *)fObjects->UncheckedAt(i); | |
213 | for( Int_t j=0; j<fNpx; j++) { | |
214 | Double_t signal=GetSignal(i,j); | |
215 | if (signal > fMapThresholdD) hist->Fill((Float_t)j,signal); | |
216 | } // end for j | |
217 | } // end for i | |
e8189707 | 218 | } |
766e3066 | 219 | //______________________________________________________________________ |
220 | void AliITSMapA2::ResetHist(){ | |
221 | // Reset histograms | |
222 | ||
223 | if (!fObjects) return; | |
224 | ||
225 | for( Int_t i=0; i<fNobjects; i++) { | |
226 | if ((*fObjects)[i]) ((TH1F*)(*fObjects)[i])->Reset(); | |
227 | } // end for i | |
e8189707 | 228 | } |
766e3066 | 229 | //______________________________________________________________________ |
230 | void AliITSMapA2::AddSignal(Int_t iz,Int_t ix,Double_t sig){ | |
231 | // Addes sig to cell iz. equivalent to the very common | |
232 | // sig = fMapA2->GetSignal(iz,ix) + sig; fMapA2->SetHit(iz,ix,sig); | |
e8189707 | 233 | |
766e3066 | 234 | |
235 | Int_t index=GetHitIndex(iz,ix); | |
236 | if(index<0) return; | |
237 | fHitMapD[CheckedIndex(iz, ix)] += sig; | |
238 | } |