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cc80f89e | 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 | ||
5270561d | 16 | /* $Id$ */ |
cc80f89e | 17 | |
18 | //---------------------------------------------------------------------------- | |
19 | // Author: Marian Ivanov | |
20 | // | |
21 | // Implementation of class AliH2F | |
22 | // | |
23 | //----------------------------------------------------------------------------- | |
24 | ||
25 | #include "AliH2F.h" | |
26 | #include "TClonesArray.h" | |
cc80f89e | 27 | #include "TRandom.h" |
cc80f89e | 28 | |
29 | ||
30 | ClassImp(AliH2F) | |
31 | //*********************************************************************** | |
32 | //*********************************************************************** | |
33 | //*********************************************************************** | |
34 | //*********************************************************************** | |
35 | AliH2F::AliH2F():TH2F() | |
36 | { | |
73042f01 | 37 | // |
38 | ||
cc80f89e | 39 | } |
40 | AliH2F::AliH2F(const Text_t *name,const Text_t *title, | |
41 | Int_t nbinsx,Axis_t xlow,Axis_t xup | |
42 | ,Int_t nbinsy,Axis_t ylow,Axis_t yup): | |
43 | TH2F(name,title,nbinsx,xlow,xup | |
44 | ,nbinsy,ylow,yup) | |
45 | { | |
73042f01 | 46 | // |
47 | ||
cc80f89e | 48 | } |
49 | ||
50 | AliH2F::~AliH2F() | |
51 | { | |
73042f01 | 52 | // |
cc80f89e | 53 | } |
54 | ||
88cb7938 | 55 | AliH2F::AliH2F(const AliH2F &his) : |
56 | TH2F(his) | |
cc80f89e | 57 | { |
73042f01 | 58 | // |
59 | ||
cc80f89e | 60 | } |
61 | ||
88cb7938 | 62 | AliH2F & AliH2F::operator = (const AliH2F & /*his*/) |
cc80f89e | 63 | { |
73042f01 | 64 | // |
65 | return *this; | |
cc80f89e | 66 | } |
67 | ||
88cb7938 | 68 | /* |
cc80f89e | 69 | TClonesArray * AliH2F::FindPeaks(Float_t threshold, Float_t noise) |
70 | { | |
88cb7938 | 71 | //find peaks and write it in form of AliTPCcluster to array |
72 | ||
73 | //firstly we need to create object for cluster finding | |
74 | //and fill it with contents of histogram | |
75 | AliTPCClusterFinder cfinder; | |
76 | cfinder.SetThreshold(threshold); | |
77 | cfinder.SetNoise(noise); | |
78 | cfinder.GetHisto(this); | |
79 | return cfinder.FindPeaks3(); | |
cc80f89e | 80 | } |
88cb7938 | 81 | */ |
cc80f89e | 82 | |
83 | void AliH2F::ClearSpectrum() | |
84 | { | |
73042f01 | 85 | //clera histogram |
cc80f89e | 86 | Int_t dimx = fXaxis.GetNbins(); |
87 | Int_t dimy = fYaxis.GetNbins(); | |
88 | for (Int_t i = 0 ;i<dimx;i++) | |
89 | for (Int_t j = 0 ;j<dimy;j++) | |
90 | { | |
91 | SetCellContent(i,j,0); | |
92 | SetCellError(i,j,0); | |
93 | } | |
94 | } | |
95 | ||
96 | ||
97 | void AliH2F::AddNoise(Float_t sn) | |
98 | { | |
73042f01 | 99 | // add gauss noise with sigma sn |
cc80f89e | 100 | Int_t dimx = fXaxis.GetNbins(); |
101 | Int_t dimy = fYaxis.GetNbins(); | |
102 | for (Int_t i = 0 ;i<dimx;i++) | |
103 | for (Int_t j = 0 ;j<dimy;j++) | |
104 | { | |
105 | Float_t noise = gRandom->Gaus(0,sn); | |
106 | Float_t oldv =GetCellContent(i,j); | |
107 | Float_t olds =GetCellError(i,j); | |
108 | if (noise >0) | |
109 | { | |
110 | SetCellContent(i,j,noise+oldv); | |
111 | SetCellError(i,j,TMath::Sqrt((noise*noise+olds*olds))); | |
112 | } | |
113 | } | |
114 | } | |
115 | void AliH2F::AddGauss(Float_t x, Float_t y, | |
116 | Float_t sx, Float_t sy, Float_t max) | |
73042f01 | 117 | { |
cc80f89e | 118 | //transform to histogram coordinata |
119 | Int_t dimx = fXaxis.GetNbins(); | |
120 | Int_t dimy = fYaxis.GetNbins(); | |
121 | Float_t dx =(GetXaxis()->GetXmax()-GetXaxis()->GetXmin())/Float_t(dimx); | |
122 | Float_t dy =(GetYaxis()->GetXmax()-GetYaxis()->GetXmin())/Float_t(dimy); | |
123 | // x=(x-GetXaxis()->GetXmin())/dx; | |
124 | //y=(y-GetYaxis()->GetXmin())/dy; | |
125 | sx/=dx; | |
126 | sy/=dy; | |
127 | ||
128 | ||
129 | for (Int_t i = 0 ;i<dimx;i++) | |
130 | for (Int_t j = 0 ;j<dimy;j++) | |
131 | { | |
132 | Float_t x2 =GetXaxis()->GetBinCenter(i+1); | |
133 | Float_t y2 =GetYaxis()->GetBinCenter(j+1); | |
134 | Float_t dx2 = (x2-x)*(x2-x); | |
135 | Float_t dy2 = (y2-y)*(y2-y); | |
136 | Float_t amp =max*exp(-(dx2/(2*sx*sx)+dy2/(2*sy*sy))); | |
137 | //Float_t oldv =GetCellContent(i+1,j+1); | |
138 | // SetCellContent(i+1,j+1,amp+oldv); | |
139 | Fill(x2,y2,amp); | |
140 | } | |
141 | } | |
142 | ||
143 | void AliH2F::ClearUnderTh(Int_t threshold) | |
144 | { | |
73042f01 | 145 | //clear histogram for bin under threshold |
cc80f89e | 146 | Int_t dimx = fXaxis.GetNbins(); |
147 | Int_t dimy = fYaxis.GetNbins(); | |
148 | for (Int_t i = 0 ;i<=dimx;i++) | |
149 | for (Int_t j = 0 ;j<=dimy;j++) | |
150 | { | |
151 | Float_t oldv =GetCellContent(i,j); | |
152 | if (oldv <threshold) | |
153 | SetCellContent(i,j,0); | |
154 | } | |
155 | } | |
156 | ||
157 | void AliH2F::Round() | |
158 | { | |
73042f01 | 159 | //round float to integer |
cc80f89e | 160 | Int_t dimx = fXaxis.GetNbins(); |
161 | Int_t dimy = fYaxis.GetNbins(); | |
162 | for (Int_t i = 0 ;i<=dimx;i++) | |
163 | for (Int_t j = 0 ;j<=dimy;j++) | |
164 | { | |
165 | Float_t oldv =GetCellContent(i,j); | |
166 | oldv=(Int_t)oldv; | |
167 | SetCellContent(i,j,oldv); | |
168 | } | |
169 | } | |
170 | ||
171 | ||
172 | ||
173 | AliH2F *AliH2F::GetSubrange2d(Float_t xmin, Float_t xmax, | |
174 | Float_t ymin, Float_t ymax) | |
175 | { | |
176 | //this function return pointer to the new created | |
177 | //histogram which is subhistogram of the | |
178 | //calculate number | |
179 | //subhistogram range must be inside histogram | |
180 | ||
181 | if (xmax<=xmin) { | |
182 | xmin=fXaxis.GetXmin(); | |
183 | xmax=fXaxis.GetXmax(); | |
184 | } | |
185 | if (ymax<=ymin) { | |
186 | ymin=fYaxis.GetXmin(); | |
187 | ymax=fYaxis.GetXmax(); | |
188 | } | |
189 | ||
190 | Int_t nx = Int_t((xmax-xmin)/(fXaxis.GetXmax()-fXaxis.GetXmin()) * | |
191 | Float_t(fXaxis.GetNbins())); | |
192 | Int_t ny = Int_t((ymax-ymin)/(fYaxis.GetXmax()-fYaxis.GetXmin()) * | |
193 | Float_t(fYaxis.GetNbins())); | |
194 | TString t1 = fName ; | |
195 | TString t2 = fTitle ; | |
196 | t1+="_subrange"; | |
197 | t2+="_subrange"; | |
73042f01 | 198 | const Text_t *ktt1 = t1; |
199 | const Text_t *ktt2 = t2; | |
cc80f89e | 200 | |
73042f01 | 201 | AliH2F * sub = new AliH2F(ktt1,ktt2,nx,xmin,xmax,ny,ymin,ymax); |
cc80f89e | 202 | |
203 | Int_t i1 = Int_t( Float_t(fXaxis.GetNbins())*(xmin-fXaxis.GetXmin())/ | |
204 | (fXaxis.GetXmax()-fXaxis.GetXmin()) ) ; | |
205 | Int_t i2 = Int_t( Float_t(fYaxis.GetNbins())*(ymin-fYaxis.GetXmin())/ | |
206 | (fYaxis.GetXmax()-fYaxis.GetXmin()) ) ; | |
207 | for (Int_t i=0;i<nx;i++) | |
208 | for (Int_t j=0;j<ny;j++) | |
209 | { | |
210 | Int_t index1 = GetBin(i1+i,i2+j); | |
211 | // Int_t index2 = sub->GetBin(i,j); | |
212 | Float_t val = GetBinContent(index1); | |
213 | // sub->SetBinContent(index2,val); | |
214 | // Float_t err = GetBinError(index1); | |
215 | //sub->SetBinError(index2,GetBinError(index1)); | |
216 | sub->SetCellContent(i,j,val); | |
217 | } | |
218 | return sub; | |
219 | } | |
220 | ||
221 | TH1F *AliH2F::GetAmplitudes(Float_t zmin, Float_t zmax, Float_t th, Float_t xmin, Float_t xmax, | |
222 | Float_t ymin, Float_t ymax) | |
223 | { | |
224 | //this function return pointer to the new created | |
225 | //histogram which is subhistogram of the | |
226 | //calculate number | |
227 | //subhistogram range must be inside histogram | |
228 | ||
229 | if (xmax<=xmin) { | |
230 | xmin=fXaxis.GetXmin(); | |
231 | xmax=fXaxis.GetXmax(); | |
232 | } | |
233 | if (ymax<=ymin) { | |
234 | ymin=fYaxis.GetXmin(); | |
235 | ymax=fYaxis.GetXmax(); | |
236 | } | |
237 | Int_t nx = Int_t((xmax-xmin)/(fXaxis.GetXmax()-fXaxis.GetXmin()) * | |
238 | Float_t(fXaxis.GetNbins())); | |
239 | Int_t ny = Int_t((ymax-ymin)/(fYaxis.GetXmax()-fYaxis.GetXmin()) * | |
240 | Float_t(fYaxis.GetNbins())); | |
241 | TString t1 = fName ; | |
242 | TString t2 = fTitle ; | |
243 | t1+="_amplitudes"; | |
244 | t2+="_amplitudes"; | |
73042f01 | 245 | const Text_t *ktt1 = t1; |
246 | const Text_t *ktt2 = t2; | |
cc80f89e | 247 | |
73042f01 | 248 | TH1F * h = new TH1F(ktt1,ktt2,100,zmin,zmax); |
cc80f89e | 249 | |
250 | Int_t i1 = Int_t( Float_t(fXaxis.GetNbins())*(xmin-fXaxis.GetXmin())/ | |
251 | (fXaxis.GetXmax()-fXaxis.GetXmin()) ) ; | |
252 | Int_t i2 = Int_t( Float_t(fYaxis.GetNbins())*(ymin-fYaxis.GetXmin())/ | |
253 | (fYaxis.GetXmax()-fYaxis.GetXmin()) ) ; | |
254 | for (Int_t i=0;i<nx;i++) | |
255 | for (Int_t j=0;j<ny;j++) | |
256 | { | |
257 | Int_t index1 = GetBin(i1+i,i2+j); | |
258 | Float_t val = GetBinContent(index1); | |
259 | if (val>th) h->Fill(val); | |
260 | } | |
261 | return h; | |
262 | } | |
263 | ||
264 | Float_t AliH2F::GetOccupancy(Float_t th , Float_t xmin, Float_t xmax, | |
265 | Float_t ymin, Float_t ymax) | |
266 | { | |
267 | //this function return pointer to the new created | |
268 | //histogram which is subhistogram of the | |
269 | //calculate number | |
270 | //subhistogram range must be inside histogram | |
271 | ||
272 | if (xmax<=xmin) { | |
273 | xmin=fXaxis.GetXmin(); | |
274 | xmax=fXaxis.GetXmax(); | |
275 | } | |
276 | if (ymax<=ymin) { | |
277 | ymin=fYaxis.GetXmin(); | |
278 | ymax=fYaxis.GetXmax(); | |
279 | } | |
280 | Int_t nx = Int_t((xmax-xmin)/(fXaxis.GetXmax()-fXaxis.GetXmin()) * | |
281 | Float_t(fXaxis.GetNbins())); | |
282 | Int_t ny = Int_t((ymax-ymin)/(fYaxis.GetXmax()-fYaxis.GetXmin()) * | |
283 | Float_t(fYaxis.GetNbins())); | |
284 | ||
285 | Int_t over =0; | |
286 | Int_t i1 = Int_t( Float_t(fXaxis.GetNbins())*(xmin-fXaxis.GetXmin())/ | |
287 | (fXaxis.GetXmax()-fXaxis.GetXmin()) ) ; | |
288 | Int_t i2 = Int_t( Float_t(fYaxis.GetNbins())*(ymin-fYaxis.GetXmin())/ | |
289 | (fYaxis.GetXmax()-fYaxis.GetXmin()) ) ; | |
290 | for (Int_t i=0;i<nx;i++) | |
291 | for (Int_t j=0;j<ny;j++) | |
292 | { | |
293 | Int_t index1 = GetBin(i1+i,i2+j); | |
294 | Float_t val = GetBinContent(index1); | |
295 | if (val>th) over++; | |
296 | } | |
297 | Int_t all = nx*ny; | |
298 | if (all>0) return Float_t(over)/Float_t(all); | |
299 | else | |
300 | return 0; | |
301 | } |